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/* ************************************************************************** */
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/* * For conditions of distribution and use, * */
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/* * see copyright notice in libmng.h * */
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/* ************************************************************************** */
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/* * * */
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/* * project : libmng * */
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/* * file : libmng_chunk_descr.c copyright (c) 2005-2007 G.Juyn * */
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/* * version : 1.0.10 * */
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/* * * */
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/* * purpose : Chunk descriptor functions (implementation) * */
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/* * * */
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/* * author : G.Juyn * */
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/* * * */
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/* * comment : implementation of the chunk- anf field-descriptor * */
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/* * routines * */
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/* * * */
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/* * changes : 1.0.9 - 12/06/2004 - G.Juyn * */
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/* * - added conditional MNG_OPTIMIZE_CHUNKREADER * */
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/* * 1.0.9 - 12/11/2004 - G.Juyn * */
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/* * - made all constants 'static' * */
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/* * 1.0.9 - 12/20/2004 - G.Juyn * */
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/* * - cleaned up macro-invocations (thanks to D. Airlie) * */
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/* * 1.0.9 - 01/17/2005 - G.Juyn * */
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/* * - fixed problem with global PLTE/tRNS * */
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/* * * */
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/* * 1.0.10 - 01/17/2005 - G.R-P. * */
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/* * - added typecast to appease the compiler * */
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/* * 1.0.10 - 04/08/2007 - G.Juyn * */
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/* * - added support for mPNG proposal * */
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/* * 1.0.10 - 04/12/2007 - G.Juyn * */
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/* * - added support for ANG proposal * */
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/* * * */
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/* ************************************************************************** */
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#include <stddef.h> /* needed for offsetof() */
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#include "libmng.h"
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#include "libmng_data.h"
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#include "libmng_error.h"
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#include "libmng_trace.h"
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#ifdef __BORLANDC__
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#pragma hdrstop
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#endif
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#include "libmng_memory.h"
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#include "libmng_objects.h"
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#include "libmng_chunks.h"
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#include "libmng_chunk_descr.h"
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#include "libmng_object_prc.h"
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#include "libmng_chunk_prc.h"
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#include "libmng_chunk_io.h"
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#include "libmng_display.h"
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#ifdef MNG_INCLUDE_ANG_PROPOSAL
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#include "libmng_pixels.h"
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#include "libmng_filter.h"
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#endif
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#if defined(__BORLANDC__) && defined(MNG_STRICT_ANSI)
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#pragma option -A /* force ANSI-C */
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#endif
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/* ************************************************************************** */
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#ifdef MNG_OPTIMIZE_CHUNKREADER
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#if defined(MNG_INCLUDE_READ_PROCS) || defined(MNG_INCLUDE_WRITE_PROCS)
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/* ************************************************************************** */
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/* ************************************************************************** */
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/* PNG chunks */
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MNG_LOCAL mng_field_descriptor mng_fields_ihdr [] =
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{
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{MNG_NULL,
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MNG_FIELD_INT | MNG_FIELD_NOHIGHBIT,
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1, 0, 4, 4,
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offsetof(mng_ihdr, iWidth), MNG_NULL, MNG_NULL},
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{MNG_NULL,
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MNG_FIELD_INT | MNG_FIELD_NOHIGHBIT,
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1, 0, 4, 4,
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offsetof(mng_ihdr, iHeight), MNG_NULL, MNG_NULL},
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{MNG_NULL,
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MNG_FIELD_INT,
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1, 16, 1, 1,
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offsetof(mng_ihdr, iBitdepth), MNG_NULL, MNG_NULL},
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{MNG_NULL,
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MNG_FIELD_INT,
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0, 6, 1, 1,
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offsetof(mng_ihdr, iColortype), MNG_NULL, MNG_NULL},
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{MNG_NULL,
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MNG_FIELD_INT,
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0, 0, 1, 1,
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offsetof(mng_ihdr, iCompression), MNG_NULL, MNG_NULL},
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{MNG_NULL,
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MNG_FIELD_INT,
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0, 0, 1, 1,
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offsetof(mng_ihdr, iFilter), MNG_NULL, MNG_NULL},
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{MNG_NULL,
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MNG_FIELD_INT,
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0, 1, 1, 1,
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offsetof(mng_ihdr, iInterlace), MNG_NULL, MNG_NULL}
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};
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/* ************************************************************************** */
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MNG_LOCAL mng_field_descriptor mng_fields_plte [] =
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{
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{mng_debunk_plte,
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MNG_NULL,
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0, 0, 0, 0,
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MNG_NULL, MNG_NULL, MNG_NULL}
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};
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/* ************************************************************************** */
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MNG_LOCAL mng_field_descriptor mng_fields_idat [] =
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{
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{MNG_NULL,
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MNG_NULL,
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0, 0, 0, 0,
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offsetof(mng_idat, pData), MNG_NULL, offsetof(mng_idat, iDatasize)}
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};
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/* ************************************************************************** */
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MNG_LOCAL mng_field_descriptor mng_fields_trns [] =
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{
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{mng_debunk_trns,
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MNG_NULL,
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0, 0, 0, 0,
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MNG_NULL, MNG_NULL, MNG_NULL}
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};
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/* ************************************************************************** */
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#ifndef MNG_SKIPCHUNK_gAMA
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MNG_LOCAL mng_field_descriptor mng_fields_gama [] =
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{
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{MNG_NULL,
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MNG_FIELD_INT,
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0, 0, 4, 4,
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offsetof(mng_gama, iGamma), MNG_NULL, MNG_NULL}
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};
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#endif
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/* ************************************************************************** */
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#ifndef MNG_SKIPCHUNK_cHRM
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MNG_LOCAL mng_field_descriptor mng_fields_chrm [] =
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{
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{MNG_NULL,
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MNG_FIELD_INT,
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0, 0, 4, 4,
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offsetof(mng_chrm, iWhitepointx), MNG_NULL, MNG_NULL},
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{MNG_NULL,
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MNG_FIELD_INT,
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0, 0, 4, 4,
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offsetof(mng_chrm, iWhitepointy), MNG_NULL, MNG_NULL},
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{MNG_NULL,
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MNG_FIELD_INT,
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0, 0, 4, 4,
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offsetof(mng_chrm, iRedx), MNG_NULL, MNG_NULL},
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{MNG_NULL,
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MNG_FIELD_INT,
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0, 0, 4, 4,
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offsetof(mng_chrm, iRedy), MNG_NULL, MNG_NULL},
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{MNG_NULL,
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MNG_FIELD_INT,
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0, 0, 4, 4,
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offsetof(mng_chrm, iGreeny), MNG_NULL, MNG_NULL},
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{MNG_NULL,
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MNG_FIELD_INT,
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0, 0, 4, 4,
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offsetof(mng_chrm, iGreeny), MNG_NULL, MNG_NULL},
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{MNG_NULL,
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MNG_FIELD_INT,
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0, 0, 4, 4,
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offsetof(mng_chrm, iBluex), MNG_NULL, MNG_NULL},
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{MNG_NULL,
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MNG_FIELD_INT,
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0, 0, 4, 4,
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offsetof(mng_chrm, iBluey), MNG_NULL, MNG_NULL}
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};
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#endif
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/* ************************************************************************** */
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#ifndef MNG_SKIPCHUNK_sRGB
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MNG_LOCAL mng_field_descriptor mng_fields_srgb [] =
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{
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{MNG_NULL,
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MNG_FIELD_INT,
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0, 4, 1, 1,
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offsetof(mng_srgb, iRenderingintent), MNG_NULL, MNG_NULL}
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};
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#endif
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/* ************************************************************************** */
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#ifndef MNG_SKIPCHUNK_iCCP
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MNG_LOCAL mng_field_descriptor mng_fields_iccp [] =
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{
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{MNG_NULL,
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MNG_FIELD_TERMINATOR,
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0, 0, 1, 79,
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offsetof(mng_iccp, zName), MNG_NULL, offsetof(mng_iccp, iNamesize)},
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{MNG_NULL,
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MNG_FIELD_INT,
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0, 0, 1, 1,
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offsetof(mng_iccp, iCompression), MNG_NULL, MNG_NULL},
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{MNG_NULL,
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MNG_FIELD_DEFLATED,
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0, 0, 0, 0,
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offsetof(mng_iccp, pProfile), MNG_NULL, offsetof(mng_iccp, iProfilesize)}
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};
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#endif
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/* ************************************************************************** */
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#ifndef MNG_SKIPCHUNK_tEXt
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MNG_LOCAL mng_field_descriptor mng_fields_text [] =
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{
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{MNG_NULL,
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MNG_FIELD_TERMINATOR,
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0, 0, 1, 79,
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offsetof(mng_text, zKeyword), MNG_NULL, offsetof(mng_text, iKeywordsize)},
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{MNG_NULL,
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MNG_NULL,
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0, 0, 0, 0,
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offsetof(mng_text, zText), MNG_NULL, offsetof(mng_text, iTextsize)}
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};
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#endif
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/* ************************************************************************** */
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#ifndef MNG_SKIPCHUNK_zTXt
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MNG_LOCAL mng_field_descriptor mng_fields_ztxt [] =
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{
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{MNG_NULL,
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MNG_FIELD_TERMINATOR,
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0, 0, 1, 79,
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offsetof(mng_ztxt, zKeyword), MNG_NULL, offsetof(mng_ztxt, iKeywordsize)},
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{MNG_NULL,
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MNG_FIELD_INT,
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0, 0, 1, 1,
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offsetof(mng_ztxt, iCompression), MNG_NULL, MNG_NULL},
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{MNG_NULL,
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MNG_FIELD_DEFLATED,
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0, 0, 0, 0,
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offsetof(mng_ztxt, zText), MNG_NULL, offsetof(mng_ztxt, iTextsize)}
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};
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#endif
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/* ************************************************************************** */
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#ifndef MNG_SKIPCHUNK_iTXt
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MNG_LOCAL mng_field_descriptor mng_fields_itxt [] =
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{
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{MNG_NULL,
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MNG_FIELD_TERMINATOR,
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0, 0, 1, 79,
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offsetof(mng_itxt, zKeyword), MNG_NULL, offsetof(mng_itxt, iKeywordsize)},
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{MNG_NULL,
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MNG_FIELD_INT,
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0, 1, 1, 1,
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offsetof(mng_itxt, iCompressionflag), MNG_NULL, MNG_NULL},
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{MNG_NULL,
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MNG_FIELD_INT,
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0, 0, 1, 1,
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offsetof(mng_itxt, iCompressionmethod), MNG_NULL, MNG_NULL},
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{MNG_NULL,
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MNG_FIELD_TERMINATOR,
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0, 0, 0, 0,
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offsetof(mng_itxt, zLanguage), MNG_NULL, offsetof(mng_itxt, iLanguagesize)},
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{MNG_NULL,
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MNG_FIELD_TERMINATOR,
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0, 0, 0, 0,
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offsetof(mng_itxt, zTranslation), MNG_NULL, offsetof(mng_itxt, iTranslationsize)},
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{mng_deflate_itxt,
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MNG_NULL,
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0, 0, 0, 0,
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MNG_NULL, MNG_NULL, MNG_NULL}
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};
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#endif
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/* ************************************************************************** */
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#ifndef MNG_SKIPCHUNK_bKGD
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MNG_LOCAL mng_field_descriptor mng_fields_bkgd [] =
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{
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{MNG_NULL,
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MNG_FIELD_INT | MNG_FIELD_PUTIMGTYPE,
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0, 0, 0, 0,
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offsetof(mng_bkgd, iType), MNG_NULL, MNG_NULL},
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{MNG_NULL,
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MNG_FIELD_INT | MNG_FIELD_IFIMGTYPE3,
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0, 0xFF, 1, 1,
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offsetof(mng_bkgd, iIndex), MNG_NULL, MNG_NULL},
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{MNG_NULL,
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MNG_FIELD_INT | MNG_FIELD_IFIMGTYPE0 | MNG_FIELD_IFIMGTYPE4,
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0, 0xFFFF, 2, 2,
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offsetof(mng_bkgd, iGray), MNG_NULL, MNG_NULL},
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{MNG_NULL,
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MNG_FIELD_INT | MNG_FIELD_IFIMGTYPE2 | MNG_FIELD_IFIMGTYPE6,
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0, 0xFFFF, 2, 2,
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offsetof(mng_bkgd, iRed), MNG_NULL, MNG_NULL},
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{MNG_NULL,
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MNG_FIELD_INT | MNG_FIELD_IFIMGTYPE2 | MNG_FIELD_IFIMGTYPE6,
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0, 0xFFFF, 2, 2,
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offsetof(mng_bkgd, iGreen), MNG_NULL, MNG_NULL},
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{MNG_NULL,
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MNG_FIELD_INT | MNG_FIELD_IFIMGTYPE2 | MNG_FIELD_IFIMGTYPE6,
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0, 0xFFFF, 2, 2,
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offsetof(mng_bkgd, iBlue), MNG_NULL, MNG_NULL}
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};
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#endif
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/* ************************************************************************** */
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#ifndef MNG_SKIPCHUNK_pHYs
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MNG_LOCAL mng_field_descriptor mng_fields_phys [] =
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{
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{MNG_NULL,
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MNG_FIELD_INT,
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0, 0, 4, 4,
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offsetof(mng_phys, iSizex), MNG_NULL, MNG_NULL},
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{MNG_NULL,
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MNG_FIELD_INT,
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0, 0, 4, 4,
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offsetof(mng_phys, iSizey), MNG_NULL, MNG_NULL},
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{MNG_NULL,
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MNG_FIELD_INT,
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0, 1, 1, 1,
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offsetof(mng_phys, iUnit), MNG_NULL, MNG_NULL}
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};
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#endif
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336 |
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/* ************************************************************************** */
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338 |
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#ifndef MNG_SKIPCHUNK_sBIT
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MNG_LOCAL mng_field_descriptor mng_fields_sbit [] =
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{
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{MNG_NULL,
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MNG_FIELD_INT | MNG_FIELD_PUTIMGTYPE,
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0, 0, 0, 0,
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offsetof(mng_sbit, iType), MNG_NULL, MNG_NULL},
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{MNG_NULL,
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MNG_FIELD_INT | MNG_FIELD_IFIMGTYPES,
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0, 0xFF, 1, 1,
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offsetof(mng_sbit, aBits[0]), MNG_NULL, MNG_NULL},
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{MNG_NULL,
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MNG_FIELD_INT | MNG_FIELD_IFIMGTYPE2 | MNG_FIELD_IFIMGTYPE3 | MNG_FIELD_IFIMGTYPE4 | MNG_FIELD_IFIMGTYPE6,
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0, 0xFF, 1, 1,
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offsetof(mng_sbit, aBits[1]), MNG_NULL, MNG_NULL},
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{MNG_NULL,
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MNG_FIELD_INT | MNG_FIELD_IFIMGTYPE2 | MNG_FIELD_IFIMGTYPE3 | MNG_FIELD_IFIMGTYPE6,
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0, 0xFF, 1, 1,
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offsetof(mng_sbit, aBits[2]), MNG_NULL, MNG_NULL},
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{MNG_NULL,
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359 |
MNG_FIELD_INT | MNG_FIELD_IFIMGTYPE6,
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0, 0xFF, 1, 1,
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offsetof(mng_sbit, aBits[3]), MNG_NULL, MNG_NULL}
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};
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363 |
#endif
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364 |
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365 |
/* ************************************************************************** */
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366 |
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367 |
#ifndef MNG_SKIPCHUNK_sPLT
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368 |
MNG_LOCAL mng_field_descriptor mng_fields_splt [] =
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369 |
{
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370 |
{MNG_NULL,
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371 |
MNG_NULL,
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372 |
0, 0, 1, 79,
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373 |
offsetof(mng_splt, zName), MNG_NULL, offsetof(mng_splt, iNamesize)},
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374 |
{MNG_NULL,
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375 |
MNG_FIELD_INT,
|
|
376 |
8, 16, 1, 1,
|
|
377 |
offsetof(mng_splt, iSampledepth), MNG_NULL, MNG_NULL},
|
|
378 |
{mng_splt_entries,
|
|
379 |
MNG_NULL,
|
|
380 |
0, 0, 0, 0,
|
|
381 |
MNG_NULL, MNG_NULL, MNG_NULL}
|
|
382 |
};
|
|
383 |
#endif
|
|
384 |
|
|
385 |
/* ************************************************************************** */
|
|
386 |
|
|
387 |
#ifndef MNG_SKIPCHUNK_hIST
|
|
388 |
MNG_LOCAL mng_field_descriptor mng_fields_hist [] =
|
|
389 |
{
|
|
390 |
{mng_hist_entries,
|
|
391 |
MNG_NULL,
|
|
392 |
0, 0, 0, 0,
|
|
393 |
MNG_NULL, MNG_NULL, MNG_NULL}
|
|
394 |
};
|
|
395 |
#endif
|
|
396 |
|
|
397 |
/* ************************************************************************** */
|
|
398 |
|
|
399 |
#ifndef MNG_SKIPCHUNK_tIME
|
|
400 |
MNG_LOCAL mng_field_descriptor mng_fields_time [] =
|
|
401 |
{
|
|
402 |
{MNG_NULL,
|
|
403 |
MNG_FIELD_INT,
|
|
404 |
0, 0xFFFF, 2, 2,
|
|
405 |
offsetof(mng_time, iYear), MNG_NULL, MNG_NULL},
|
|
406 |
{MNG_NULL,
|
|
407 |
MNG_FIELD_INT,
|
|
408 |
1, 12, 1, 1,
|
|
409 |
offsetof(mng_time, iMonth), MNG_NULL, MNG_NULL},
|
|
410 |
{MNG_NULL,
|
|
411 |
MNG_FIELD_INT,
|
|
412 |
1, 31, 1, 1,
|
|
413 |
offsetof(mng_time, iDay), MNG_NULL, MNG_NULL},
|
|
414 |
{MNG_NULL,
|
|
415 |
MNG_FIELD_INT,
|
|
416 |
0, 24, 1, 1,
|
|
417 |
offsetof(mng_time, iHour), MNG_NULL, MNG_NULL},
|
|
418 |
{MNG_NULL,
|
|
419 |
MNG_FIELD_INT,
|
|
420 |
0, 60, 1, 1,
|
|
421 |
offsetof(mng_time, iMinute), MNG_NULL, MNG_NULL},
|
|
422 |
{MNG_NULL,
|
|
423 |
MNG_FIELD_INT,
|
|
424 |
0, 60, 1, 1,
|
|
425 |
offsetof(mng_time, iSecond), MNG_NULL, MNG_NULL}
|
|
426 |
};
|
|
427 |
#endif
|
|
428 |
|
|
429 |
/* ************************************************************************** */
|
|
430 |
/* ************************************************************************** */
|
|
431 |
/* JNG chunks */
|
|
432 |
|
|
433 |
#ifdef MNG_INCLUDE_JNG
|
|
434 |
MNG_LOCAL mng_field_descriptor mng_fields_jhdr [] =
|
|
435 |
{
|
|
436 |
{MNG_NULL,
|
|
437 |
MNG_FIELD_INT | MNG_FIELD_NOHIGHBIT,
|
|
438 |
1, 0, 4, 4,
|
|
439 |
offsetof(mng_jhdr, iWidth), MNG_NULL, MNG_NULL},
|
|
440 |
{MNG_NULL,
|
|
441 |
MNG_FIELD_INT | MNG_FIELD_NOHIGHBIT,
|
|
442 |
1, 0, 4, 4,
|
|
443 |
offsetof(mng_jhdr, iHeight), MNG_NULL, MNG_NULL},
|
|
444 |
{MNG_NULL,
|
|
445 |
MNG_FIELD_INT,
|
|
446 |
8, 16, 1, 1,
|
|
447 |
offsetof(mng_jhdr, iColortype), MNG_NULL, MNG_NULL},
|
|
448 |
{MNG_NULL,
|
|
449 |
MNG_FIELD_INT,
|
|
450 |
8, 20, 1, 1,
|
|
451 |
offsetof(mng_jhdr, iImagesampledepth), MNG_NULL, MNG_NULL},
|
|
452 |
{MNG_NULL,
|
|
453 |
MNG_FIELD_INT,
|
|
454 |
8, 8, 1, 1,
|
|
455 |
offsetof(mng_jhdr, iImagecompression), MNG_NULL, MNG_NULL},
|
|
456 |
{MNG_NULL,
|
|
457 |
MNG_FIELD_INT,
|
|
458 |
0, 8, 1, 1,
|
|
459 |
offsetof(mng_jhdr, iImageinterlace), MNG_NULL, MNG_NULL},
|
|
460 |
{MNG_NULL,
|
|
461 |
MNG_FIELD_INT,
|
|
462 |
0, 16, 1, 1,
|
|
463 |
offsetof(mng_jhdr, iAlphasampledepth), MNG_NULL, MNG_NULL},
|
|
464 |
{MNG_NULL,
|
|
465 |
MNG_FIELD_INT,
|
|
466 |
0, 8, 1, 1,
|
|
467 |
offsetof(mng_jhdr, iAlphacompression), MNG_NULL, MNG_NULL},
|
|
468 |
{MNG_NULL,
|
|
469 |
MNG_FIELD_INT,
|
|
470 |
0, 0, 1, 1,
|
|
471 |
offsetof(mng_jhdr, iAlphafilter), MNG_NULL, MNG_NULL},
|
|
472 |
{MNG_NULL,
|
|
473 |
MNG_FIELD_INT,
|
|
474 |
0, 1, 1, 1,
|
|
475 |
offsetof(mng_jhdr, iAlphainterlace), MNG_NULL, MNG_NULL}
|
|
476 |
};
|
|
477 |
#endif
|
|
478 |
|
|
479 |
/* ************************************************************************** */
|
|
480 |
|
|
481 |
#ifdef MNG_INCLUDE_JNG
|
|
482 |
#define mng_fields_jdaa mng_fields_idat
|
|
483 |
#define mng_fields_jdat mng_fields_idat
|
|
484 |
#endif
|
|
485 |
|
|
486 |
/* ************************************************************************** */
|
|
487 |
/* ************************************************************************** */
|
|
488 |
/* MNG chunks */
|
|
489 |
|
|
490 |
MNG_LOCAL mng_field_descriptor mng_fields_mhdr [] =
|
|
491 |
{
|
|
492 |
{MNG_NULL,
|
|
493 |
MNG_FIELD_INT,
|
|
494 |
0, 0, 4, 4,
|
|
495 |
offsetof(mng_mhdr, iWidth), MNG_NULL, MNG_NULL},
|
|
496 |
{MNG_NULL,
|
|
497 |
MNG_FIELD_INT,
|
|
498 |
0, 0, 4, 4,
|
|
499 |
offsetof(mng_mhdr, iHeight), MNG_NULL, MNG_NULL},
|
|
500 |
{MNG_NULL,
|
|
501 |
MNG_FIELD_INT,
|
|
502 |
0, 0, 4, 4,
|
|
503 |
offsetof(mng_mhdr, iTicks), MNG_NULL, MNG_NULL},
|
|
504 |
{MNG_NULL,
|
|
505 |
MNG_FIELD_INT,
|
|
506 |
0, 0, 4, 4,
|
|
507 |
offsetof(mng_mhdr, iLayercount), MNG_NULL, MNG_NULL},
|
|
508 |
{MNG_NULL,
|
|
509 |
MNG_FIELD_INT,
|
|
510 |
0, 0, 4, 4,
|
|
511 |
offsetof(mng_mhdr, iFramecount), MNG_NULL, MNG_NULL},
|
|
512 |
{MNG_NULL,
|
|
513 |
MNG_FIELD_INT,
|
|
514 |
0, 0, 4, 4,
|
|
515 |
offsetof(mng_mhdr, iPlaytime), MNG_NULL, MNG_NULL},
|
|
516 |
{MNG_NULL,
|
|
517 |
MNG_FIELD_INT,
|
|
518 |
0, 0, 4, 4,
|
|
519 |
offsetof(mng_mhdr, iSimplicity), MNG_NULL, MNG_NULL}
|
|
520 |
};
|
|
521 |
|
|
522 |
/* ************************************************************************** */
|
|
523 |
|
|
524 |
#ifndef MNG_SKIPCHUNK_LOOP
|
|
525 |
MNG_LOCAL mng_field_descriptor mng_fields_loop [] =
|
|
526 |
{
|
|
527 |
{mng_debunk_loop,
|
|
528 |
MNG_NULL,
|
|
529 |
0, 0, 0, 0,
|
|
530 |
MNG_NULL, MNG_NULL, MNG_NULL}
|
|
531 |
};
|
|
532 |
#endif
|
|
533 |
|
|
534 |
/* ************************************************************************** */
|
|
535 |
|
|
536 |
#ifndef MNG_SKIPCHUNK_LOOP
|
|
537 |
MNG_LOCAL mng_field_descriptor mng_fields_endl [] =
|
|
538 |
{
|
|
539 |
{MNG_NULL,
|
|
540 |
MNG_FIELD_INT,
|
|
541 |
0, 0xFF, 1, 1,
|
|
542 |
offsetof(mng_endl, iLevel), MNG_NULL, MNG_NULL}
|
|
543 |
};
|
|
544 |
#endif
|
|
545 |
|
|
546 |
/* ************************************************************************** */
|
|
547 |
|
|
548 |
#ifndef MNG_SKIPCHUNK_DEFI
|
|
549 |
MNG_LOCAL mng_field_descriptor mng_fields_defi [] =
|
|
550 |
{
|
|
551 |
{MNG_NULL,
|
|
552 |
MNG_FIELD_INT,
|
|
553 |
0, 0xFFFF, 2, 2,
|
|
554 |
offsetof(mng_defi, iObjectid), MNG_NULL, MNG_NULL},
|
|
555 |
{MNG_NULL,
|
|
556 |
MNG_FIELD_INT | MNG_FIELD_OPTIONAL,
|
|
557 |
0, 0xFF, 1, 1,
|
|
558 |
offsetof(mng_defi, iDonotshow), offsetof(mng_defi, bHasdonotshow), MNG_NULL},
|
|
559 |
{MNG_NULL,
|
|
560 |
MNG_FIELD_INT | MNG_FIELD_OPTIONAL,
|
|
561 |
0, 0xFF, 1, 1,
|
|
562 |
offsetof(mng_defi, iConcrete), offsetof(mng_defi, bHasconcrete), MNG_NULL},
|
|
563 |
{MNG_NULL,
|
|
564 |
MNG_FIELD_INT | MNG_FIELD_OPTIONAL | MNG_FIELD_GROUP1,
|
|
565 |
0, 0, 4, 4,
|
|
566 |
offsetof(mng_defi, iXlocation), offsetof(mng_defi, bHasloca), MNG_NULL},
|
|
567 |
{MNG_NULL,
|
|
568 |
MNG_FIELD_INT | MNG_FIELD_OPTIONAL | MNG_FIELD_GROUP1,
|
|
569 |
0, 0, 4, 4,
|
|
570 |
offsetof(mng_defi, iYlocation), MNG_NULL, MNG_NULL},
|
|
571 |
{MNG_NULL,
|
|
572 |
MNG_FIELD_INT | MNG_FIELD_OPTIONAL | MNG_FIELD_GROUP2,
|
|
573 |
0, 0, 4, 4,
|
|
574 |
offsetof(mng_defi, iLeftcb), offsetof(mng_defi, bHasclip), MNG_NULL},
|
|
575 |
{MNG_NULL,
|
|
576 |
MNG_FIELD_INT | MNG_FIELD_OPTIONAL | MNG_FIELD_GROUP2,
|
|
577 |
0, 0, 4, 4,
|
|
578 |
offsetof(mng_defi, iRightcb), MNG_NULL, MNG_NULL},
|
|
579 |
{MNG_NULL,
|
|
580 |
MNG_FIELD_INT | MNG_FIELD_OPTIONAL | MNG_FIELD_GROUP2,
|
|
581 |
0, 0, 4, 4,
|
|
582 |
offsetof(mng_defi, iTopcb), MNG_NULL, MNG_NULL},
|
|
583 |
{MNG_NULL,
|
|
584 |
MNG_FIELD_INT | MNG_FIELD_OPTIONAL | MNG_FIELD_GROUP2,
|
|
585 |
0, 0, 4, 4,
|
|
586 |
offsetof(mng_defi, iBottomcb), MNG_NULL, MNG_NULL}
|
|
587 |
};
|
|
588 |
#endif
|
|
589 |
|
|
590 |
/* ************************************************************************** */
|
|
591 |
|
|
592 |
#ifndef MNG_SKIPCHUNK_BASI
|
|
593 |
MNG_LOCAL mng_field_descriptor mng_fields_basi [] =
|
|
594 |
{
|
|
595 |
{MNG_NULL,
|
|
596 |
MNG_FIELD_INT,
|
|
597 |
0, 0, 4, 4,
|
|
598 |
offsetof(mng_basi, iWidth), MNG_NULL, MNG_NULL},
|
|
599 |
{MNG_NULL,
|
|
600 |
MNG_FIELD_INT,
|
|
601 |
0, 0, 4, 4,
|
|
602 |
offsetof(mng_basi, iHeight), MNG_NULL, MNG_NULL},
|
|
603 |
{MNG_NULL,
|
|
604 |
MNG_FIELD_INT,
|
|
605 |
1, 16, 1, 1,
|
|
606 |
offsetof(mng_basi, iBitdepth), MNG_NULL, MNG_NULL},
|
|
607 |
{MNG_NULL,
|
|
608 |
MNG_FIELD_INT,
|
|
609 |
0, 6, 1, 1,
|
|
610 |
offsetof(mng_basi, iColortype), MNG_NULL, MNG_NULL},
|
|
611 |
{MNG_NULL,
|
|
612 |
MNG_FIELD_INT,
|
|
613 |
0, 0, 1, 1,
|
|
614 |
offsetof(mng_basi, iCompression), MNG_NULL, MNG_NULL},
|
|
615 |
{MNG_NULL,
|
|
616 |
MNG_FIELD_INT,
|
|
617 |
0, 0, 1, 1,
|
|
618 |
offsetof(mng_basi, iFilter), MNG_NULL, MNG_NULL},
|
|
619 |
{MNG_NULL,
|
|
620 |
MNG_FIELD_INT,
|
|
621 |
0, 1, 1, 1,
|
|
622 |
offsetof(mng_basi, iInterlace), MNG_NULL, MNG_NULL},
|
|
623 |
{MNG_NULL,
|
|
624 |
MNG_FIELD_INT | MNG_FIELD_OPTIONAL | MNG_FIELD_GROUP1,
|
|
625 |
0, 0xFFFF, 2, 2,
|
|
626 |
offsetof(mng_basi, iRed), MNG_NULL, MNG_NULL},
|
|
627 |
{MNG_NULL,
|
|
628 |
MNG_FIELD_INT | MNG_FIELD_OPTIONAL | MNG_FIELD_GROUP1,
|
|
629 |
0, 0xFFFF, 2, 2,
|
|
630 |
offsetof(mng_basi, iGreen), MNG_NULL, MNG_NULL},
|
|
631 |
{MNG_NULL,
|
|
632 |
MNG_FIELD_INT | MNG_FIELD_OPTIONAL | MNG_FIELD_GROUP1,
|
|
633 |
0, 0xFFFF, 2, 2,
|
|
634 |
offsetof(mng_basi, iBlue), MNG_NULL, MNG_NULL},
|
|
635 |
{MNG_NULL,
|
|
636 |
MNG_FIELD_INT | MNG_FIELD_OPTIONAL,
|
|
637 |
0, 0xFFFF, 2, 2,
|
|
638 |
offsetof(mng_basi, iAlpha), offsetof(mng_basi, bHasalpha), MNG_NULL},
|
|
639 |
{MNG_NULL,
|
|
640 |
MNG_FIELD_INT | MNG_FIELD_OPTIONAL,
|
|
641 |
0, 1, 1, 1,
|
|
642 |
offsetof(mng_basi, iViewable), MNG_NULL, MNG_NULL}
|
|
643 |
};
|
|
644 |
#endif
|
|
645 |
|
|
646 |
/* ************************************************************************** */
|
|
647 |
|
|
648 |
#ifndef MNG_SKIPCHUNK_CLON
|
|
649 |
MNG_LOCAL mng_field_descriptor mng_fields_clon [] =
|
|
650 |
{
|
|
651 |
{MNG_NULL,
|
|
652 |
MNG_FIELD_INT,
|
|
653 |
0, 0xFFFF, 2, 2,
|
|
654 |
offsetof(mng_clon, iSourceid), MNG_NULL, MNG_NULL},
|
|
655 |
{MNG_NULL,
|
|
656 |
MNG_FIELD_INT,
|
|
657 |
0, 0xFFFF, 2, 2,
|
|
658 |
offsetof(mng_clon, iCloneid), MNG_NULL, MNG_NULL},
|
|
659 |
{MNG_NULL,
|
|
660 |
MNG_FIELD_INT | MNG_FIELD_OPTIONAL,
|
|
661 |
0, 2, 1, 1,
|
|
662 |
offsetof(mng_clon, iClonetype), MNG_NULL, MNG_NULL},
|
|
663 |
{MNG_NULL,
|
|
664 |
MNG_FIELD_INT | MNG_FIELD_OPTIONAL,
|
|
665 |
0, 1, 1, 1,
|
|
666 |
offsetof(mng_clon, iDonotshow), offsetof(mng_clon, bHasdonotshow), MNG_NULL},
|
|
667 |
{MNG_NULL,
|
|
668 |
MNG_FIELD_INT | MNG_FIELD_OPTIONAL,
|
|
669 |
0, 1, 1, 1,
|
|
670 |
offsetof(mng_clon, iConcrete), MNG_NULL, MNG_NULL},
|
|
671 |
{MNG_NULL,
|
|
672 |
MNG_FIELD_INT | MNG_FIELD_OPTIONAL | MNG_FIELD_GROUP1,
|
|
673 |
0, 2, 1, 1,
|
|
674 |
offsetof(mng_clon, iLocationtype), offsetof(mng_clon, bHasloca), MNG_NULL},
|
|
675 |
{MNG_NULL,
|
|
676 |
MNG_FIELD_INT | MNG_FIELD_OPTIONAL | MNG_FIELD_GROUP1,
|
|
677 |
0, 0, 4, 4,
|
|
678 |
offsetof(mng_clon, iLocationx), MNG_NULL, MNG_NULL},
|
|
679 |
{MNG_NULL,
|
|
680 |
MNG_FIELD_INT | MNG_FIELD_OPTIONAL | MNG_FIELD_GROUP1,
|
|
681 |
0, 0, 4, 4,
|
|
682 |
offsetof(mng_clon, iLocationy), MNG_NULL, MNG_NULL}
|
|
683 |
};
|
|
684 |
#endif
|
|
685 |
|
|
686 |
/* ************************************************************************** */
|
|
687 |
|
|
688 |
#ifndef MNG_SKIPCHUNK_PAST
|
|
689 |
MNG_LOCAL mng_field_descriptor mng_fields_past [] =
|
|
690 |
{
|
|
691 |
{mng_debunk_past,
|
|
692 |
MNG_NULL,
|
|
693 |
0, 0, 0, 0,
|
|
694 |
MNG_NULL, MNG_NULL, MNG_NULL}
|
|
695 |
};
|
|
696 |
#endif
|
|
697 |
|
|
698 |
/* ************************************************************************** */
|
|
699 |
|
|
700 |
#ifndef MNG_SKIPCHUNK_DISC
|
|
701 |
MNG_LOCAL mng_field_descriptor mng_fields_disc [] =
|
|
702 |
{
|
|
703 |
{mng_disc_entries,
|
|
704 |
MNG_NULL,
|
|
705 |
0, 0, 0, 0,
|
|
706 |
MNG_NULL, MNG_NULL, MNG_NULL}
|
|
707 |
};
|
|
708 |
#endif
|
|
709 |
|
|
710 |
/* ************************************************************************** */
|
|
711 |
|
|
712 |
#ifndef MNG_SKIPCHUNK_BACK
|
|
713 |
MNG_LOCAL mng_field_descriptor mng_fields_back [] =
|
|
714 |
{
|
|
715 |
{MNG_NULL,
|
|
716 |
MNG_FIELD_INT,
|
|
717 |
0, 0xFFFF, 2, 2,
|
|
718 |
offsetof(mng_back, iRed), MNG_NULL, MNG_NULL},
|
|
719 |
{MNG_NULL,
|
|
720 |
MNG_FIELD_INT,
|
|
721 |
0, 0xFFFF, 2, 2,
|
|
722 |
offsetof(mng_back, iGreen), MNG_NULL, MNG_NULL},
|
|
723 |
{MNG_NULL,
|
|
724 |
MNG_FIELD_INT,
|
|
725 |
0, 0xFFFF, 2, 2,
|
|
726 |
offsetof(mng_back, iBlue), MNG_NULL, MNG_NULL},
|
|
727 |
{MNG_NULL,
|
|
728 |
MNG_FIELD_INT | MNG_FIELD_OPTIONAL,
|
|
729 |
0, 3, 1, 1,
|
|
730 |
offsetof(mng_back, iMandatory), MNG_NULL, MNG_NULL},
|
|
731 |
{MNG_NULL,
|
|
732 |
MNG_FIELD_INT | MNG_FIELD_OPTIONAL,
|
|
733 |
0, 0xFFFF, 2, 2,
|
|
734 |
offsetof(mng_back, iImageid), MNG_NULL, MNG_NULL},
|
|
735 |
{MNG_NULL,
|
|
736 |
MNG_FIELD_INT | MNG_FIELD_OPTIONAL,
|
|
737 |
0, 1, 1, 1,
|
|
738 |
offsetof(mng_back, iTile), MNG_NULL, MNG_NULL}
|
|
739 |
};
|
|
740 |
#endif
|
|
741 |
|
|
742 |
/* ************************************************************************** */
|
|
743 |
|
|
744 |
#ifndef MNG_SKIPCHUNK_FRAM
|
|
745 |
MNG_LOCAL mng_field_descriptor mng_fields_fram [] =
|
|
746 |
{
|
|
747 |
{MNG_NULL,
|
|
748 |
MNG_FIELD_INT | MNG_FIELD_OPTIONAL,
|
|
749 |
0, 4, 1, 1,
|
|
750 |
offsetof(mng_fram, iMode), MNG_NULL, MNG_NULL},
|
|
751 |
{MNG_NULL,
|
|
752 |
MNG_FIELD_TERMINATOR | MNG_FIELD_OPTIONAL,
|
|
753 |
0, 0, 1, 79,
|
|
754 |
offsetof(mng_fram, zName), MNG_NULL, offsetof(mng_fram, iNamesize)},
|
|
755 |
{mng_fram_remainder,
|
|
756 |
MNG_FIELD_OPTIONAL,
|
|
757 |
0, 0, 0, 0,
|
|
758 |
MNG_NULL, MNG_NULL, MNG_NULL}
|
|
759 |
};
|
|
760 |
#endif
|
|
761 |
|
|
762 |
/* ************************************************************************** */
|
|
763 |
|
|
764 |
#ifndef MNG_SKIPCHUNK_MOVE
|
|
765 |
MNG_LOCAL mng_field_descriptor mng_fields_move [] =
|
|
766 |
{
|
|
767 |
{MNG_NULL,
|
|
768 |
MNG_FIELD_INT,
|
|
769 |
0, 0xFFFF, 2, 2,
|
|
770 |
offsetof(mng_move, iFirstid), MNG_NULL, MNG_NULL},
|
|
771 |
{MNG_NULL,
|
|
772 |
MNG_FIELD_INT,
|
|
773 |
0, 0xFFFF, 2, 2,
|
|
774 |
offsetof(mng_move, iLastid), MNG_NULL, MNG_NULL},
|
|
775 |
{MNG_NULL,
|
|
776 |
MNG_FIELD_INT,
|
|
777 |
0, 1, 1, 1,
|
|
778 |
offsetof(mng_move, iMovetype), MNG_NULL, MNG_NULL},
|
|
779 |
{MNG_NULL,
|
|
780 |
MNG_FIELD_INT,
|
|
781 |
0, 0, 4, 4,
|
|
782 |
offsetof(mng_move, iMovex), MNG_NULL, MNG_NULL},
|
|
783 |
{MNG_NULL,
|
|
784 |
MNG_FIELD_INT,
|
|
785 |
0, 0, 4, 4,
|
|
786 |
offsetof(mng_move, iMovey), MNG_NULL, MNG_NULL}
|
|
787 |
};
|
|
788 |
#endif
|
|
789 |
|
|
790 |
/* ************************************************************************** */
|
|
791 |
|
|
792 |
#ifndef MNG_SKIPCHUNK_CLIP
|
|
793 |
MNG_LOCAL mng_field_descriptor mng_fields_clip [] =
|
|
794 |
{
|
|
795 |
{MNG_NULL,
|
|
796 |
MNG_FIELD_INT,
|
|
797 |
0, 0xFFFF, 2, 2,
|
|
798 |
offsetof(mng_clip, iFirstid), MNG_NULL, MNG_NULL},
|
|
799 |
{MNG_NULL,
|
|
800 |
MNG_FIELD_INT,
|
|
801 |
0, 0xFFFF, 2, 2,
|
|
802 |
offsetof(mng_clip, iLastid), MNG_NULL, MNG_NULL},
|
|
803 |
{MNG_NULL,
|
|
804 |
MNG_FIELD_INT,
|
|
805 |
0, 1, 1, 1,
|
|
806 |
offsetof(mng_clip, iCliptype), MNG_NULL, MNG_NULL},
|
|
807 |
{MNG_NULL,
|
|
808 |
MNG_FIELD_INT,
|
|
809 |
0, 0, 4, 4,
|
|
810 |
offsetof(mng_clip, iClipl), MNG_NULL, MNG_NULL},
|
|
811 |
{MNG_NULL,
|
|
812 |
MNG_FIELD_INT,
|
|
813 |
0, 0, 4, 4,
|
|
814 |
offsetof(mng_clip, iClipr), MNG_NULL, MNG_NULL},
|
|
815 |
{MNG_NULL,
|
|
816 |
MNG_FIELD_INT,
|
|
817 |
0, 0, 4, 4,
|
|
818 |
offsetof(mng_clip, iClipt), MNG_NULL, MNG_NULL},
|
|
819 |
{MNG_NULL,
|
|
820 |
MNG_FIELD_INT,
|
|
821 |
0, 0, 4, 4,
|
|
822 |
offsetof(mng_clip, iClipb), MNG_NULL, MNG_NULL}
|
|
823 |
};
|
|
824 |
#endif
|
|
825 |
|
|
826 |
/* ************************************************************************** */
|
|
827 |
|
|
828 |
#ifndef MNG_SKIPCHUNK_SHOW
|
|
829 |
MNG_LOCAL mng_field_descriptor mng_fields_show [] =
|
|
830 |
{
|
|
831 |
{MNG_NULL,
|
|
832 |
MNG_FIELD_INT,
|
|
833 |
1, 0xFFFF, 2, 2,
|
|
834 |
offsetof(mng_show, iFirstid), MNG_NULL, MNG_NULL},
|
|
835 |
{MNG_NULL,
|
|
836 |
MNG_FIELD_INT | MNG_FIELD_OPTIONAL,
|
|
837 |
1, 0xFFFF, 2, 2,
|
|
838 |
offsetof(mng_show, iLastid), offsetof(mng_show, bHaslastid), MNG_NULL},
|
|
839 |
{MNG_NULL,
|
|
840 |
MNG_FIELD_INT | MNG_FIELD_OPTIONAL,
|
|
841 |
0, 7, 1, 1,
|
|
842 |
offsetof(mng_show, iMode), MNG_NULL, MNG_NULL}
|
|
843 |
};
|
|
844 |
#endif
|
|
845 |
|
|
846 |
/* ************************************************************************** */
|
|
847 |
|
|
848 |
#ifndef MNG_SKIPCHUNK_TERM
|
|
849 |
MNG_LOCAL mng_field_descriptor mng_fields_term [] =
|
|
850 |
{
|
|
851 |
{MNG_NULL,
|
|
852 |
MNG_FIELD_INT,
|
|
853 |
0, 3, 1, 1,
|
|
854 |
offsetof(mng_term, iTermaction), MNG_NULL, MNG_NULL},
|
|
855 |
{MNG_NULL,
|
|
856 |
MNG_FIELD_INT | MNG_FIELD_OPTIONAL | MNG_FIELD_GROUP1,
|
|
857 |
0, 2, 1, 1,
|
|
858 |
offsetof(mng_term, iIteraction), MNG_NULL, MNG_NULL},
|
|
859 |
{MNG_NULL,
|
|
860 |
MNG_FIELD_INT | MNG_FIELD_OPTIONAL | MNG_FIELD_GROUP1,
|
|
861 |
0, 0, 4, 4,
|
|
862 |
offsetof(mng_term, iDelay), MNG_NULL, MNG_NULL},
|
|
863 |
{MNG_NULL,
|
|
864 |
MNG_FIELD_INT | MNG_FIELD_OPTIONAL | MNG_FIELD_GROUP1,
|
|
865 |
0, 0, 4, 4,
|
|
866 |
offsetof(mng_term, iItermax), MNG_NULL, MNG_NULL}
|
|
867 |
};
|
|
868 |
#endif
|
|
869 |
|
|
870 |
/* ************************************************************************** */
|
|
871 |
|
|
872 |
#ifndef MNG_SKIPCHUNK_SAVE
|
|
873 |
MNG_LOCAL mng_field_descriptor mng_fields_save [] =
|
|
874 |
{
|
|
875 |
{mng_save_entries,
|
|
876 |
MNG_NULL,
|
|
877 |
0, 0, 0, 0,
|
|
878 |
MNG_NULL, MNG_NULL, MNG_NULL}
|
|
879 |
};
|
|
880 |
#endif
|
|
881 |
|
|
882 |
/* ************************************************************************** */
|
|
883 |
|
|
884 |
#ifndef MNG_SKIPCHUNK_SEEK
|
|
885 |
MNG_LOCAL mng_field_descriptor mng_fields_seek [] =
|
|
886 |
{
|
|
887 |
{MNG_NULL,
|
|
888 |
MNG_NULL,
|
|
889 |
0, 0, 1, 79,
|
|
890 |
offsetof(mng_seek, zName), MNG_NULL, offsetof(mng_seek, iNamesize)}
|
|
891 |
};
|
|
892 |
#endif
|
|
893 |
|
|
894 |
/* ************************************************************************** */
|
|
895 |
|
|
896 |
#ifndef MNG_SKIPCHUNK_eXPI
|
|
897 |
MNG_LOCAL mng_field_descriptor mng_fields_expi [] =
|
|
898 |
{
|
|
899 |
{MNG_NULL,
|
|
900 |
MNG_FIELD_INT,
|
|
901 |
0, 0xFFFF, 2, 2,
|
|
902 |
offsetof(mng_expi, iSnapshotid), MNG_NULL, MNG_NULL},
|
|
903 |
{MNG_NULL,
|
|
904 |
MNG_NULL,
|
|
905 |
0, 0, 1, 79,
|
|
906 |
offsetof(mng_expi, zName), MNG_NULL, offsetof(mng_expi, iNamesize)}
|
|
907 |
};
|
|
908 |
#endif
|
|
909 |
|
|
910 |
/* ************************************************************************** */
|
|
911 |
|
|
912 |
#ifndef MNG_SKIPCHUNK_fPRI
|
|
913 |
MNG_LOCAL mng_field_descriptor mng_fields_fpri [] =
|
|
914 |
{
|
|
915 |
{MNG_NULL,
|
|
916 |
MNG_FIELD_INT,
|
|
917 |
0, 1, 1, 1,
|
|
918 |
offsetof(mng_fpri, iDeltatype), MNG_NULL, MNG_NULL},
|
|
919 |
{MNG_NULL,
|
|
920 |
MNG_FIELD_INT,
|
|
921 |
0, 0xFF, 1, 1,
|
|
922 |
offsetof(mng_fpri, iPriority), MNG_NULL, MNG_NULL}
|
|
923 |
};
|
|
924 |
#endif
|
|
925 |
|
|
926 |
/* ************************************************************************** */
|
|
927 |
|
|
928 |
#ifndef MNG_SKIPCHUNK_nEED
|
|
929 |
MNG_LOCAL mng_field_descriptor mng_fields_need [] =
|
|
930 |
{
|
|
931 |
{MNG_NULL,
|
|
932 |
MNG_NULL,
|
|
933 |
0, 0, 1, 0,
|
|
934 |
offsetof(mng_need, zKeywords), MNG_NULL, offsetof(mng_need, iKeywordssize)}
|
|
935 |
};
|
|
936 |
#endif
|
|
937 |
|
|
938 |
/* ************************************************************************** */
|
|
939 |
|
|
940 |
#ifndef MNG_SKIPCHUNK_pHYg
|
|
941 |
#define mng_fields_phyg mng_fields_phys
|
|
942 |
#endif
|
|
943 |
|
|
944 |
/* ************************************************************************** */
|
|
945 |
|
|
946 |
#ifndef MNG_NO_DELTA_PNG
|
|
947 |
MNG_LOCAL mng_field_descriptor mng_fields_dhdr [] =
|
|
948 |
{
|
|
949 |
{MNG_NULL,
|
|
950 |
MNG_FIELD_INT,
|
|
951 |
0, 0xFFFF, 2, 2,
|
|
952 |
offsetof(mng_dhdr, iObjectid), MNG_NULL, MNG_NULL},
|
|
953 |
{MNG_NULL,
|
|
954 |
MNG_FIELD_INT,
|
|
955 |
0, 2, 1, 1,
|
|
956 |
offsetof(mng_dhdr, iImagetype), MNG_NULL, MNG_NULL},
|
|
957 |
{MNG_NULL,
|
|
958 |
MNG_FIELD_INT,
|
|
959 |
0, 7, 1, 1,
|
|
960 |
offsetof(mng_dhdr, iDeltatype), MNG_NULL, MNG_NULL},
|
|
961 |
{MNG_NULL,
|
|
962 |
MNG_FIELD_INT | MNG_FIELD_OPTIONAL | MNG_FIELD_GROUP1,
|
|
963 |
0, 0, 4, 4,
|
|
964 |
offsetof(mng_dhdr, iBlockwidth), offsetof(mng_dhdr, bHasblocksize), MNG_NULL},
|
|
965 |
{MNG_NULL,
|
|
966 |
MNG_FIELD_INT | MNG_FIELD_OPTIONAL | MNG_FIELD_GROUP1,
|
|
967 |
0, 0, 4, 4,
|
|
968 |
offsetof(mng_dhdr, iBlockheight), MNG_NULL, MNG_NULL},
|
|
969 |
{MNG_NULL,
|
|
970 |
MNG_FIELD_INT | MNG_FIELD_OPTIONAL | MNG_FIELD_GROUP2,
|
|
971 |
0, 0, 4, 4,
|
|
972 |
offsetof(mng_dhdr, iBlockx), offsetof(mng_dhdr, bHasblockloc), MNG_NULL},
|
|
973 |
{MNG_NULL,
|
|
974 |
MNG_FIELD_INT | MNG_FIELD_OPTIONAL | MNG_FIELD_GROUP2,
|
|
975 |
0, 0, 4, 4,
|
|
976 |
offsetof(mng_dhdr, iBlocky), MNG_NULL, MNG_NULL}
|
|
977 |
};
|
|
978 |
#endif
|
|
979 |
|
|
980 |
/* ************************************************************************** */
|
|
981 |
|
|
982 |
#ifndef MNG_NO_DELTA_PNG
|
|
983 |
MNG_LOCAL mng_field_descriptor mng_fields_prom [] =
|
|
984 |
{
|
|
985 |
{MNG_NULL,
|
|
986 |
MNG_FIELD_INT,
|
|
987 |
0, 14, 1, 1,
|
|
988 |
offsetof(mng_prom, iColortype), MNG_NULL, MNG_NULL},
|
|
989 |
{MNG_NULL,
|
|
990 |
MNG_FIELD_INT,
|
|
991 |
0, 16, 1, 1,
|
|
992 |
offsetof(mng_prom, iSampledepth), MNG_NULL, MNG_NULL},
|
|
993 |
{MNG_NULL,
|
|
994 |
MNG_FIELD_INT,
|
|
995 |
0, 1, 1, 1,
|
|
996 |
offsetof(mng_prom, iFilltype), MNG_NULL, MNG_NULL}
|
|
997 |
};
|
|
998 |
#endif
|
|
999 |
|
|
1000 |
/* ************************************************************************** */
|
|
1001 |
|
|
1002 |
#ifndef MNG_NO_DELTA_PNG
|
|
1003 |
MNG_LOCAL mng_field_descriptor mng_fields_pplt [] =
|
|
1004 |
{
|
|
1005 |
{MNG_NULL,
|
|
1006 |
MNG_FIELD_INT,
|
|
1007 |
0, 5, 1, 1,
|
|
1008 |
offsetof(mng_pplt, iDeltatype), MNG_NULL, MNG_NULL},
|
|
1009 |
{mng_pplt_entries,
|
|
1010 |
MNG_NULL,
|
|
1011 |
0, 0, 0, 0,
|
|
1012 |
MNG_NULL, MNG_NULL, MNG_NULL}
|
|
1013 |
};
|
|
1014 |
#endif
|
|
1015 |
|
|
1016 |
/* ************************************************************************** */
|
|
1017 |
|
|
1018 |
#ifndef MNG_NO_DELTA_PNG
|
|
1019 |
MNG_LOCAL mng_field_descriptor mng_fields_drop [] =
|
|
1020 |
{
|
|
1021 |
{mng_drop_entries,
|
|
1022 |
MNG_NULL,
|
|
1023 |
0, 0, 0, 0,
|
|
1024 |
MNG_NULL, MNG_NULL, MNG_NULL}
|
|
1025 |
};
|
|
1026 |
#endif
|
|
1027 |
|
|
1028 |
/* ************************************************************************** */
|
|
1029 |
|
|
1030 |
#ifndef MNG_NO_DELTA_PNG
|
|
1031 |
#ifndef MNG_SKIPCHUNK_DBYK
|
|
1032 |
MNG_LOCAL mng_field_descriptor mng_fields_dbyk [] =
|
|
1033 |
{
|
|
1034 |
{MNG_NULL,
|
|
1035 |
MNG_FIELD_INT,
|
|
1036 |
0, 0, 4, 4,
|
|
1037 |
offsetof(mng_dbyk, iChunkname), MNG_NULL, MNG_NULL},
|
|
1038 |
{MNG_NULL,
|
|
1039 |
MNG_FIELD_INT,
|
|
1040 |
0, 1, 1, 1,
|
|
1041 |
offsetof(mng_dbyk, iPolarity), MNG_NULL, MNG_NULL},
|
|
1042 |
{MNG_NULL,
|
|
1043 |
MNG_NULL,
|
|
1044 |
0, 0, 1, 0,
|
|
1045 |
offsetof(mng_dbyk, zKeywords), MNG_NULL, offsetof(mng_dbyk, iKeywordssize)}
|
|
1046 |
};
|
|
1047 |
#endif
|
|
1048 |
#endif
|
|
1049 |
|
|
1050 |
/* ************************************************************************** */
|
|
1051 |
|
|
1052 |
#ifndef MNG_NO_DELTA_PNG
|
|
1053 |
#ifndef MNG_SKIPCHUNK_ORDR
|
|
1054 |
MNG_LOCAL mng_field_descriptor mng_fields_ordr [] =
|
|
1055 |
{
|
|
1056 |
{mng_drop_entries,
|
|
1057 |
MNG_NULL,
|
|
1058 |
0, 0, 0, 0,
|
|
1059 |
MNG_NULL, MNG_NULL, MNG_NULL}
|
|
1060 |
};
|
|
1061 |
#endif
|
|
1062 |
#endif
|
|
1063 |
|
|
1064 |
/* ************************************************************************** */
|
|
1065 |
|
|
1066 |
#ifndef MNG_SKIPCHUNK_MAGN
|
|
1067 |
MNG_LOCAL mng_field_descriptor mng_fields_magn [] =
|
|
1068 |
{
|
|
1069 |
{mng_debunk_magn,
|
|
1070 |
MNG_NULL,
|
|
1071 |
0, 0, 0, 0,
|
|
1072 |
MNG_NULL, MNG_NULL, MNG_NULL}
|
|
1073 |
};
|
|
1074 |
#endif
|
|
1075 |
|
|
1076 |
/* ************************************************************************** */
|
|
1077 |
|
|
1078 |
#ifdef MNG_INCLUDE_MPNG_PROPOSAL
|
|
1079 |
MNG_LOCAL mng_field_descriptor mng_fields_mpng [] =
|
|
1080 |
{
|
|
1081 |
{MNG_NULL,
|
|
1082 |
MNG_FIELD_INT,
|
|
1083 |
1, 0, 4, 4,
|
|
1084 |
offsetof(mng_mpng, iFramewidth), MNG_NULL, MNG_NULL},
|
|
1085 |
{MNG_NULL,
|
|
1086 |
MNG_FIELD_INT,
|
|
1087 |
1, 0, 4, 4,
|
|
1088 |
offsetof(mng_mpng, iFrameheight), MNG_NULL, MNG_NULL},
|
|
1089 |
{MNG_NULL,
|
|
1090 |
MNG_FIELD_INT,
|
|
1091 |
0, 0xFFFF, 2, 2,
|
|
1092 |
offsetof(mng_mpng, iNumplays), MNG_NULL, MNG_NULL},
|
|
1093 |
{MNG_NULL,
|
|
1094 |
MNG_FIELD_INT,
|
|
1095 |
1, 0xFFFF, 2, 2,
|
|
1096 |
offsetof(mng_mpng, iTickspersec), MNG_NULL, MNG_NULL},
|
|
1097 |
{MNG_NULL,
|
|
1098 |
MNG_FIELD_INT,
|
|
1099 |
0, 0, 1, 1,
|
|
1100 |
offsetof(mng_mpng, iCompressionmethod), MNG_NULL, MNG_NULL},
|
|
1101 |
{MNG_NULL,
|
|
1102 |
MNG_FIELD_DEFLATED,
|
|
1103 |
0, 0, 1, 0,
|
|
1104 |
offsetof(mng_mpng, pFrames), MNG_NULL, offsetof(mng_mpng, iFramessize)}
|
|
1105 |
};
|
|
1106 |
#endif
|
|
1107 |
|
|
1108 |
/* ************************************************************************** */
|
|
1109 |
|
|
1110 |
#ifdef MNG_INCLUDE_ANG_PROPOSAL
|
|
1111 |
MNG_LOCAL mng_field_descriptor mng_fields_ahdr [] =
|
|
1112 |
{
|
|
1113 |
{MNG_NULL,
|
|
1114 |
MNG_FIELD_INT,
|
|
1115 |
1, 0, 4, 4,
|
|
1116 |
offsetof(mng_ahdr, iNumframes), MNG_NULL, MNG_NULL},
|
|
1117 |
{MNG_NULL,
|
|
1118 |
MNG_FIELD_INT,
|
|
1119 |
0, 0, 4, 4,
|
|
1120 |
offsetof(mng_ahdr, iTickspersec), MNG_NULL, MNG_NULL},
|
|
1121 |
{MNG_NULL,
|
|
1122 |
MNG_FIELD_INT,
|
|
1123 |
0, 0, 4, 4,
|
|
1124 |
offsetof(mng_ahdr, iNumplays), MNG_NULL, MNG_NULL},
|
|
1125 |
{MNG_NULL,
|
|
1126 |
MNG_FIELD_INT,
|
|
1127 |
1, 0, 4, 4,
|
|
1128 |
offsetof(mng_ahdr, iTilewidth), MNG_NULL, MNG_NULL},
|
|
1129 |
{MNG_NULL,
|
|
1130 |
MNG_FIELD_INT,
|
|
1131 |
1, 0, 4, 4,
|
|
1132 |
offsetof(mng_ahdr, iTileheight), MNG_NULL, MNG_NULL},
|
|
1133 |
{MNG_NULL,
|
|
1134 |
MNG_FIELD_INT,
|
|
1135 |
0, 1, 1, 1,
|
|
1136 |
offsetof(mng_ahdr, iInterlace), MNG_NULL, MNG_NULL},
|
|
1137 |
{MNG_NULL,
|
|
1138 |
MNG_FIELD_INT,
|
|
1139 |
0, 1, 1, 1,
|
|
1140 |
offsetof(mng_ahdr, iStillused), MNG_NULL, MNG_NULL}
|
|
1141 |
};
|
|
1142 |
|
|
1143 |
MNG_LOCAL mng_field_descriptor mng_fields_adat [] =
|
|
1144 |
{
|
|
1145 |
{mng_adat_tiles,
|
|
1146 |
MNG_NULL,
|
|
1147 |
0, 0, 0, 0,
|
|
1148 |
MNG_NULL, MNG_NULL, MNG_NULL}
|
|
1149 |
};
|
|
1150 |
#endif
|
|
1151 |
|
|
1152 |
/* ************************************************************************** */
|
|
1153 |
|
|
1154 |
#ifndef MNG_SKIPCHUNK_evNT
|
|
1155 |
MNG_LOCAL mng_field_descriptor mng_fields_evnt [] =
|
|
1156 |
{
|
|
1157 |
{mng_evnt_entries,
|
|
1158 |
MNG_NULL,
|
|
1159 |
0, 0, 0, 0,
|
|
1160 |
MNG_NULL, MNG_NULL, MNG_NULL}
|
|
1161 |
};
|
|
1162 |
#endif
|
|
1163 |
|
|
1164 |
/* ************************************************************************** */
|
|
1165 |
|
|
1166 |
MNG_LOCAL mng_field_descriptor mng_fields_unknown [] =
|
|
1167 |
{
|
|
1168 |
{MNG_NULL,
|
|
1169 |
MNG_NULL,
|
|
1170 |
0, 0, 1, 0,
|
|
1171 |
offsetof(mng_unknown_chunk, pData), MNG_NULL, offsetof(mng_unknown_chunk, iDatasize)}
|
|
1172 |
};
|
|
1173 |
|
|
1174 |
/* ************************************************************************** */
|
|
1175 |
/* ************************************************************************** */
|
|
1176 |
/* PNG chunks */
|
|
1177 |
|
|
1178 |
MNG_LOCAL mng_chunk_descriptor mng_chunk_descr_ihdr =
|
|
1179 |
{mng_it_png, mng_create_none, 0, 0,
|
|
1180 |
MNG_NULL, MNG_NULL, mng_special_ihdr,
|
|
1181 |
mng_fields_ihdr, (sizeof(mng_fields_ihdr) / sizeof(mng_field_descriptor)),
|
|
1182 |
MNG_DESCR_GLOBAL,
|
|
1183 |
MNG_NULL,
|
|
1184 |
MNG_DESCR_NOIHDR | MNG_DESCR_NOJHDR | MNG_DESCR_NOBASI | MNG_DESCR_NOIDAT | MNG_DESCR_NOPLTE};
|
|
1185 |
|
|
1186 |
MNG_LOCAL mng_chunk_descriptor mng_chunk_descr_plte =
|
|
1187 |
{mng_it_png, mng_create_none, 0, offsetof(mng_plte, bEmpty),
|
|
1188 |
MNG_NULL, MNG_NULL, mng_special_plte,
|
|
1189 |
mng_fields_plte, (sizeof(mng_fields_plte) / sizeof(mng_field_descriptor)),
|
|
1190 |
MNG_DESCR_GLOBAL | MNG_DESCR_EMPTYEMBED,
|
|
1191 |
MNG_DESCR_GenHDR,
|
|
1192 |
MNG_DESCR_NOIDAT | MNG_DESCR_NOJDAT | MNG_DESCR_NOJDAA};
|
|
1193 |
|
|
1194 |
MNG_LOCAL mng_chunk_descriptor mng_chunk_descr_idat =
|
|
1195 |
{mng_it_png, mng_create_none, 0, offsetof(mng_idat, bEmpty),
|
|
1196 |
MNG_NULL, MNG_NULL, mng_special_idat,
|
|
1197 |
mng_fields_idat, (sizeof(mng_fields_idat) / sizeof(mng_field_descriptor)),
|
|
1198 |
MNG_DESCR_EMPTYEMBED,
|
|
1199 |
MNG_DESCR_GenHDR,
|
|
1200 |
MNG_DESCR_NOJSEP};
|
|
1201 |
|
|
1202 |
MNG_LOCAL mng_chunk_descriptor mng_chunk_descr_iend =
|
|
1203 |
{mng_it_png, mng_create_none, 0, 0,
|
|
1204 |
MNG_NULL, MNG_NULL, mng_special_iend,
|
|
1205 |
MNG_NULL, 0,
|
|
1206 |
MNG_DESCR_EMPTY | MNG_DESCR_EMPTYEMBED,
|
|
1207 |
MNG_DESCR_GenHDR,
|
|
1208 |
MNG_NULL};
|
|
1209 |
|
|
1210 |
MNG_LOCAL mng_chunk_descriptor mng_chunk_descr_trns =
|
|
1211 |
{mng_it_png, mng_create_none, 0, offsetof(mng_trns, bEmpty),
|
|
1212 |
MNG_NULL, MNG_NULL, mng_special_trns,
|
|
1213 |
mng_fields_trns, (sizeof(mng_fields_trns) / sizeof(mng_field_descriptor)),
|
|
1214 |
MNG_DESCR_GLOBAL | MNG_DESCR_EMPTYEMBED,
|
|
1215 |
MNG_DESCR_GenHDR,
|
|
1216 |
MNG_DESCR_NOIDAT | MNG_DESCR_NOJDAT | MNG_DESCR_NOJDAA};
|
|
1217 |
|
|
1218 |
#ifndef MNG_SKIPCHUNK_gAMA
|
|
1219 |
MNG_LOCAL mng_chunk_descriptor mng_chunk_descr_gama =
|
|
1220 |
{mng_it_png, mng_create_none, 0, offsetof(mng_gama, bEmpty),
|
|
1221 |
MNG_NULL, MNG_NULL, mng_special_gama,
|
|
1222 |
mng_fields_gama, (sizeof(mng_fields_gama) / sizeof(mng_field_descriptor)),
|
|
1223 |
MNG_DESCR_GLOBAL | MNG_DESCR_EMPTYEMBED | MNG_DESCR_EMPTYGLOBAL,
|
|
1224 |
MNG_DESCR_GenHDR,
|
|
1225 |
MNG_DESCR_NOPLTE | MNG_DESCR_NOIDAT | MNG_DESCR_NOJDAT | MNG_DESCR_NOJDAA};
|
|
1226 |
#endif
|
|
1227 |
|
|
1228 |
#ifndef MNG_SKIPCHUNK_cHRM
|
|
1229 |
MNG_LOCAL mng_chunk_descriptor mng_chunk_descr_chrm =
|
|
1230 |
{mng_it_png, mng_create_none, 0, offsetof(mng_chrm, bEmpty),
|
|
1231 |
MNG_NULL, MNG_NULL, mng_special_chrm,
|
|
1232 |
mng_fields_chrm, (sizeof(mng_fields_chrm) / sizeof(mng_field_descriptor)),
|
|
1233 |
MNG_DESCR_GLOBAL | MNG_DESCR_EMPTYEMBED | MNG_DESCR_EMPTYGLOBAL,
|
|
1234 |
MNG_DESCR_GenHDR,
|
|
1235 |
MNG_DESCR_NOPLTE | MNG_DESCR_NOIDAT | MNG_DESCR_NOJDAT | MNG_DESCR_NOJDAA};
|
|
1236 |
#endif
|
|
1237 |
|
|
1238 |
#ifndef MNG_SKIPCHUNK_sRGB
|
|
1239 |
MNG_LOCAL mng_chunk_descriptor mng_chunk_descr_srgb =
|
|
1240 |
{mng_it_png, mng_create_none, 0, offsetof(mng_srgb, bEmpty),
|
|
1241 |
MNG_NULL, MNG_NULL, mng_special_srgb,
|
|
1242 |
mng_fields_srgb, (sizeof(mng_fields_srgb) / sizeof(mng_field_descriptor)),
|
|
1243 |
MNG_DESCR_GLOBAL | MNG_DESCR_EMPTYEMBED | MNG_DESCR_EMPTYGLOBAL,
|
|
1244 |
MNG_DESCR_GenHDR,
|
|
1245 |
MNG_DESCR_NOPLTE | MNG_DESCR_NOIDAT | MNG_DESCR_NOJDAT | MNG_DESCR_NOJDAA};
|
|
1246 |
#endif
|
|
1247 |
|
|
1248 |
#ifndef MNG_SKIPCHUNK_iCCP
|
|
1249 |
MNG_LOCAL mng_chunk_descriptor mng_chunk_descr_iccp =
|
|
1250 |
{mng_it_png, mng_create_none, 0, offsetof(mng_iccp, bEmpty),
|
|
1251 |
MNG_NULL, MNG_NULL, mng_special_iccp,
|
|
1252 |
mng_fields_iccp, (sizeof(mng_fields_iccp) / sizeof(mng_field_descriptor)),
|
|
1253 |
MNG_DESCR_GLOBAL | MNG_DESCR_EMPTYEMBED | MNG_DESCR_EMPTYGLOBAL,
|
|
1254 |
MNG_DESCR_GenHDR,
|
|
1255 |
MNG_DESCR_NOPLTE | MNG_DESCR_NOIDAT | MNG_DESCR_NOJDAT | MNG_DESCR_NOJDAA};
|
|
1256 |
#endif
|
|
1257 |
|
|
1258 |
#ifndef MNG_SKIPCHUNK_tEXt
|
|
1259 |
MNG_LOCAL mng_chunk_descriptor mng_chunk_descr_text =
|
|
1260 |
{mng_it_png, mng_create_none, 0, 0,
|
|
1261 |
MNG_NULL, MNG_NULL, mng_special_text,
|
|
1262 |
mng_fields_text, (sizeof(mng_fields_text) / sizeof(mng_field_descriptor)),
|
|
1263 |
MNG_DESCR_GLOBAL,
|
|
1264 |
MNG_DESCR_GenHDR,
|
|
1265 |
MNG_NULL};
|
|
1266 |
#endif
|
|
1267 |
|
|
1268 |
#ifndef MNG_SKIPCHUNK_zTXt
|
|
1269 |
MNG_LOCAL mng_chunk_descriptor mng_chunk_descr_ztxt =
|
|
1270 |
{mng_it_png, mng_create_none, 0, 0,
|
|
1271 |
MNG_NULL, MNG_NULL, mng_special_ztxt,
|
|
1272 |
mng_fields_ztxt, (sizeof(mng_fields_ztxt) / sizeof(mng_field_descriptor)),
|
|
1273 |
MNG_DESCR_GLOBAL,
|
|
1274 |
MNG_DESCR_GenHDR,
|
|
1275 |
MNG_NULL};
|
|
1276 |
#endif
|
|
1277 |
|
|
1278 |
#ifndef MNG_SKIPCHUNK_iTXt
|
|
1279 |
MNG_LOCAL mng_chunk_descriptor mng_chunk_descr_itxt =
|
|
1280 |
{mng_it_png, mng_create_none, 0, 0,
|
|
1281 |
MNG_NULL, MNG_NULL, mng_special_itxt,
|
|
1282 |
mng_fields_itxt, (sizeof(mng_fields_itxt) / sizeof(mng_field_descriptor)),
|
|
1283 |
MNG_DESCR_GLOBAL,
|
|
1284 |
MNG_DESCR_GenHDR,
|
|
1285 |
MNG_NULL};
|
|
1286 |
#endif
|
|
1287 |
|
|
1288 |
#ifndef MNG_SKIPCHUNK_bKGD
|
|
1289 |
MNG_LOCAL mng_chunk_descriptor mng_chunk_descr_bkgd =
|
|
1290 |
{mng_it_png, mng_create_none, 0, offsetof(mng_bkgd, bEmpty),
|
|
1291 |
MNG_NULL, MNG_NULL, mng_special_bkgd,
|
|
1292 |
mng_fields_bkgd, (sizeof(mng_fields_bkgd) / sizeof(mng_field_descriptor)),
|
|
1293 |
MNG_DESCR_GLOBAL | MNG_DESCR_EMPTYEMBED | MNG_DESCR_EMPTYGLOBAL,
|
|
1294 |
MNG_DESCR_GenHDR,
|
|
1295 |
MNG_DESCR_NOIDAT | MNG_DESCR_NOJDAT | MNG_DESCR_NOJDAA};
|
|
1296 |
#endif
|
|
1297 |
|
|
1298 |
#ifndef MNG_SKIPCHUNK_pHYs
|
|
1299 |
MNG_LOCAL mng_chunk_descriptor mng_chunk_descr_phys =
|
|
1300 |
{mng_it_png, mng_create_none, 0, offsetof(mng_phys, bEmpty),
|
|
1301 |
MNG_NULL, MNG_NULL, mng_special_phys,
|
|
1302 |
mng_fields_phys, (sizeof(mng_fields_phys) / sizeof(mng_field_descriptor)),
|
|
1303 |
MNG_DESCR_GLOBAL | MNG_DESCR_EMPTYEMBED | MNG_DESCR_EMPTYGLOBAL,
|
|
1304 |
MNG_DESCR_GenHDR,
|
|
1305 |
MNG_DESCR_NOIDAT | MNG_DESCR_NOJDAT | MNG_DESCR_NOJDAA};
|
|
1306 |
#endif
|
|
1307 |
|
|
1308 |
#ifndef MNG_SKIPCHUNK_sBIT
|
|
1309 |
MNG_LOCAL mng_chunk_descriptor mng_chunk_descr_sbit =
|
|
1310 |
{mng_it_png, mng_create_none, 0, offsetof(mng_sbit, bEmpty),
|
|
1311 |
MNG_NULL, MNG_NULL, mng_special_sbit,
|
|
1312 |
mng_fields_sbit, (sizeof(mng_fields_sbit) / sizeof(mng_field_descriptor)),
|
|
1313 |
MNG_DESCR_GLOBAL | MNG_DESCR_EMPTYEMBED | MNG_DESCR_EMPTYGLOBAL,
|
|
1314 |
MNG_DESCR_GenHDR,
|
|
1315 |
MNG_DESCR_NOIDAT | MNG_DESCR_NOJDAT | MNG_DESCR_NOJDAA};
|
|
1316 |
#endif
|
|
1317 |
|
|
1318 |
#ifndef MNG_SKIPCHUNK_sPLT
|
|
1319 |
MNG_LOCAL mng_chunk_descriptor mng_chunk_descr_splt =
|
|
1320 |
{mng_it_png, mng_create_none, 0, offsetof(mng_splt, bEmpty),
|
|
1321 |
MNG_NULL, MNG_NULL, mng_special_splt,
|
|
1322 |
mng_fields_splt, (sizeof(mng_fields_splt) / sizeof(mng_field_descriptor)),
|
|
1323 |
MNG_DESCR_GLOBAL | MNG_DESCR_EMPTYEMBED | MNG_DESCR_EMPTYGLOBAL,
|
|
1324 |
MNG_DESCR_GenHDR,
|
|
1325 |
MNG_DESCR_NOIDAT | MNG_DESCR_NOJDAT | MNG_DESCR_NOJDAA};
|
|
1326 |
#endif
|
|
1327 |
|
|
1328 |
#ifndef MNG_SKIPCHUNK_hIST
|
|
1329 |
MNG_LOCAL mng_chunk_descriptor mng_chunk_descr_hist =
|
|
1330 |
{mng_it_png, mng_create_none, 0, 0,
|
|
1331 |
MNG_NULL, MNG_NULL, mng_special_hist,
|
|
1332 |
mng_fields_hist, (sizeof(mng_fields_hist) / sizeof(mng_field_descriptor)),
|
|
1333 |
MNG_NULL,
|
|
1334 |
MNG_DESCR_GenHDR | MNG_DESCR_PLTE,
|
|
1335 |
MNG_DESCR_NOIDAT | MNG_DESCR_NOJDAT | MNG_DESCR_NOJDAA};
|
|
1336 |
#endif
|
|
1337 |
|
|
1338 |
#ifndef MNG_SKIPCHUNK_tIME
|
|
1339 |
MNG_LOCAL mng_chunk_descriptor mng_chunk_descr_time =
|
|
1340 |
{mng_it_png, mng_create_none, 0, 0,
|
|
1341 |
MNG_NULL, MNG_NULL, mng_special_time,
|
|
1342 |
mng_fields_time, (sizeof(mng_fields_time) / sizeof(mng_field_descriptor)),
|
|
1343 |
MNG_DESCR_GLOBAL,
|
|
1344 |
MNG_DESCR_GenHDR,
|
|
1345 |
MNG_NULL};
|
|
1346 |
#endif
|
|
1347 |
|
|
1348 |
/* ************************************************************************** */
|
|
1349 |
/* JNG chunks */
|
|
1350 |
|
|
1351 |
#ifdef MNG_INCLUDE_JNG
|
|
1352 |
MNG_LOCAL mng_chunk_descriptor mng_chunk_descr_jhdr =
|
|
1353 |
{mng_it_jng, mng_create_none, 0, 0,
|
|
1354 |
MNG_NULL, MNG_NULL, mng_special_jhdr,
|
|
1355 |
mng_fields_jhdr, (sizeof(mng_fields_jhdr) / sizeof(mng_field_descriptor)),
|
|
1356 |
MNG_NULL,
|
|
1357 |
MNG_NULL,
|
|
1358 |
MNG_DESCR_NOIHDR | MNG_DESCR_NOBASI | MNG_DESCR_NODHDR | MNG_DESCR_NOJHDR};
|
|
1359 |
#endif
|
|
1360 |
|
|
1361 |
#ifdef MNG_INCLUDE_JNG
|
|
1362 |
MNG_LOCAL mng_chunk_descriptor mng_chunk_descr_jdaa =
|
|
1363 |
{mng_it_jng, mng_create_none, 0, 0,
|
|
1364 |
MNG_NULL, MNG_NULL, mng_special_jdaa,
|
|
1365 |
mng_fields_jdaa, (sizeof(mng_fields_jdaa) / sizeof(mng_field_descriptor)),
|
|
1366 |
MNG_NULL,
|
|
1367 |
MNG_DESCR_JngHDR,
|
|
1368 |
MNG_DESCR_NOJSEP};
|
|
1369 |
#endif
|
|
1370 |
|
|
1371 |
#ifdef MNG_INCLUDE_JNG
|
|
1372 |
MNG_LOCAL mng_chunk_descriptor mng_chunk_descr_jdat =
|
|
1373 |
{mng_it_jng, mng_create_none, 0, 0,
|
|
1374 |
MNG_NULL, MNG_NULL, mng_special_jdat,
|
|
1375 |
mng_fields_jdat, (sizeof(mng_fields_jdat) / sizeof(mng_field_descriptor)),
|
|
1376 |
MNG_DESCR_EMPTYEMBED,
|
|
1377 |
MNG_DESCR_JngHDR,
|
|
1378 |
MNG_NULL};
|
|
1379 |
#endif
|
|
1380 |
|
|
1381 |
#ifdef MNG_INCLUDE_JNG
|
|
1382 |
MNG_LOCAL mng_chunk_descriptor mng_chunk_descr_jsep =
|
|
1383 |
{mng_it_jng, mng_create_none, 0, 0,
|
|
1384 |
MNG_NULL, MNG_NULL, mng_special_jsep,
|
|
1385 |
MNG_NULL, 0,
|
|
1386 |
MNG_DESCR_EMPTY | MNG_DESCR_EMPTYEMBED,
|
|
1387 |
MNG_DESCR_JngHDR,
|
|
1388 |
MNG_DESCR_NOJSEP};
|
|
1389 |
#endif
|
|
1390 |
|
|
1391 |
/* ************************************************************************** */
|
|
1392 |
/* MNG chunks */
|
|
1393 |
|
|
1394 |
MNG_LOCAL mng_chunk_descriptor mng_chunk_descr_mhdr =
|
|
1395 |
{mng_it_mng, mng_create_none, 0, 0,
|
|
1396 |
MNG_NULL, MNG_NULL, mng_special_mhdr,
|
|
1397 |
mng_fields_mhdr, (sizeof(mng_fields_mhdr) / sizeof(mng_field_descriptor)),
|
|
1398 |
MNG_NULL,
|
|
1399 |
MNG_NULL,
|
|
1400 |
MNG_DESCR_NOMHDR | MNG_DESCR_NOIHDR | MNG_DESCR_NOJHDR};
|
|
1401 |
|
|
1402 |
MNG_LOCAL mng_chunk_descriptor mng_chunk_descr_mend =
|
|
1403 |
{mng_it_mng, mng_create_none, 0, 0,
|
|
1404 |
MNG_NULL, MNG_NULL, mng_special_mend,
|
|
1405 |
MNG_NULL, 0,
|
|
1406 |
MNG_DESCR_EMPTY | MNG_DESCR_EMPTYGLOBAL,
|
|
1407 |
MNG_DESCR_MHDR,
|
|
1408 |
MNG_NULL};
|
|
1409 |
|
|
1410 |
#ifndef MNG_SKIPCHUNK_LOOP
|
|
1411 |
MNG_LOCAL mng_chunk_descriptor mng_chunk_descr_loop =
|
|
1412 |
{mng_it_mng, mng_create_none, 0, 0,
|
|
1413 |
MNG_NULL, MNG_NULL, mng_special_loop,
|
|
1414 |
mng_fields_loop, (sizeof(mng_fields_loop) / sizeof(mng_field_descriptor)),
|
|
1415 |
MNG_NULL,
|
|
1416 |
MNG_DESCR_MHDR,
|
|
1417 |
MNG_DESCR_NOIHDR | MNG_DESCR_NOBASI | MNG_DESCR_NODHDR | MNG_DESCR_NOJHDR};
|
|
1418 |
|
|
1419 |
MNG_LOCAL mng_chunk_descriptor mng_chunk_descr_endl =
|
|
1420 |
{mng_it_mng, mng_create_none, 0, 0,
|
|
1421 |
MNG_NULL, MNG_NULL, mng_special_endl,
|
|
1422 |
mng_fields_endl, (sizeof(mng_fields_endl) / sizeof(mng_field_descriptor)),
|
|
1423 |
MNG_NULL,
|
|
1424 |
MNG_DESCR_MHDR,
|
|
1425 |
MNG_DESCR_NOIHDR | MNG_DESCR_NOBASI | MNG_DESCR_NODHDR | MNG_DESCR_NOJHDR};
|
|
1426 |
#endif
|
|
1427 |
|
|
1428 |
#ifndef MNG_SKIPCHUNK_DEFI
|
|
1429 |
MNG_LOCAL mng_chunk_descriptor mng_chunk_descr_defi =
|
|
1430 |
{mng_it_mng, mng_create_none, 0, 0,
|
|
1431 |
MNG_NULL, MNG_NULL, mng_special_defi,
|
|
1432 |
mng_fields_defi, (sizeof(mng_fields_defi) / sizeof(mng_field_descriptor)),
|
|
1433 |
MNG_NULL,
|
|
1434 |
MNG_DESCR_MHDR,
|
|
1435 |
MNG_DESCR_NOIHDR | MNG_DESCR_NOBASI | MNG_DESCR_NODHDR | MNG_DESCR_NOJHDR};
|
|
1436 |
#endif
|
|
1437 |
|
|
1438 |
#ifndef MNG_SKIPCHUNK_BASI
|
|
1439 |
MNG_LOCAL mng_chunk_descriptor mng_chunk_descr_basi =
|
|
1440 |
{mng_it_mng, mng_create_none, 0, 0,
|
|
1441 |
MNG_NULL, MNG_NULL, mng_special_basi,
|
|
1442 |
mng_fields_basi, (sizeof(mng_fields_basi) / sizeof(mng_field_descriptor)),
|
|
1443 |
MNG_NULL,
|
|
1444 |
MNG_DESCR_MHDR,
|
|
1445 |
MNG_DESCR_NOIHDR | MNG_DESCR_NOBASI | MNG_DESCR_NODHDR | MNG_DESCR_NOJHDR};
|
|
1446 |
#endif
|
|
1447 |
|
|
1448 |
#ifndef MNG_SKIPCHUNK_CLON
|
|
1449 |
MNG_LOCAL mng_chunk_descriptor mng_chunk_descr_clon =
|
|
1450 |
{mng_it_mng, mng_create_none, 0, 0,
|
|
1451 |
MNG_NULL, MNG_NULL, mng_special_clon,
|
|
1452 |
mng_fields_clon, (sizeof(mng_fields_clon) / sizeof(mng_field_descriptor)),
|
|
1453 |
MNG_NULL,
|
|
1454 |
MNG_DESCR_MHDR,
|
|
1455 |
MNG_DESCR_NOIHDR | MNG_DESCR_NOBASI | MNG_DESCR_NODHDR | MNG_DESCR_NOJHDR};
|
|
1456 |
#endif
|
|
1457 |
|
|
1458 |
#ifndef MNG_SKIPCHUNK_PAST
|
|
1459 |
MNG_LOCAL mng_chunk_descriptor mng_chunk_descr_past =
|
|
1460 |
{mng_it_mng, mng_create_none, 0, 0,
|
|
1461 |
MNG_NULL, MNG_NULL, mng_special_past,
|
|
1462 |
mng_fields_past, (sizeof(mng_fields_past) / sizeof(mng_field_descriptor)),
|
|
1463 |
MNG_NULL,
|
|
1464 |
MNG_DESCR_MHDR,
|
|
1465 |
MNG_DESCR_NOIHDR | MNG_DESCR_NOBASI | MNG_DESCR_NODHDR | MNG_DESCR_NOJHDR};
|
|
1466 |
#endif
|
|
1467 |
|
|
1468 |
#ifndef MNG_SKIPCHUNK_DISC
|
|
1469 |
MNG_LOCAL mng_chunk_descriptor mng_chunk_descr_disc =
|
|
1470 |
{mng_it_mng, mng_create_none, 0, 0,
|
|
1471 |
MNG_NULL, MNG_NULL, mng_special_disc,
|
|
1472 |
mng_fields_disc, (sizeof(mng_fields_disc) / sizeof(mng_field_descriptor)),
|
|
1473 |
MNG_NULL,
|
|
1474 |
MNG_DESCR_MHDR,
|
|
1475 |
MNG_DESCR_NOIHDR | MNG_DESCR_NOBASI | MNG_DESCR_NODHDR | MNG_DESCR_NOJHDR};
|
|
1476 |
#endif
|
|
1477 |
|
|
1478 |
#ifndef MNG_SKIPCHUNK_BACK
|
|
1479 |
MNG_LOCAL mng_chunk_descriptor mng_chunk_descr_back =
|
|
1480 |
{mng_it_mng, mng_create_none, 0, 0,
|
|
1481 |
MNG_NULL, MNG_NULL, mng_special_back,
|
|
1482 |
mng_fields_back, (sizeof(mng_fields_back) / sizeof(mng_field_descriptor)),
|
|
1483 |
MNG_NULL,
|
|
1484 |
MNG_DESCR_MHDR,
|
|
1485 |
MNG_DESCR_NOIHDR | MNG_DESCR_NOBASI | MNG_DESCR_NODHDR | MNG_DESCR_NOJHDR};
|
|
1486 |
#endif
|
|
1487 |
|
|
1488 |
#ifndef MNG_SKIPCHUNK_FRAM
|
|
1489 |
MNG_LOCAL mng_chunk_descriptor mng_chunk_descr_fram =
|
|
1490 |
{mng_it_mng, mng_create_none, 0, offsetof(mng_fram, bEmpty),
|
|
1491 |
MNG_NULL, MNG_NULL, mng_special_fram,
|
|
1492 |
mng_fields_fram, (sizeof(mng_fields_fram) / sizeof(mng_field_descriptor)),
|
|
1493 |
MNG_DESCR_EMPTY | MNG_DESCR_EMPTYGLOBAL,
|
|
1494 |
MNG_DESCR_MHDR,
|
|
1495 |
MNG_DESCR_NOIHDR | MNG_DESCR_NOBASI | MNG_DESCR_NODHDR | MNG_DESCR_NOJHDR};
|
|
1496 |
#endif
|
|
1497 |
|
|
1498 |
#ifndef MNG_SKIPCHUNK_MOVE
|
|
1499 |
MNG_LOCAL mng_chunk_descriptor mng_chunk_descr_move =
|
|
1500 |
{mng_it_mng, mng_create_none, 0, 0,
|
|
1501 |
MNG_NULL, MNG_NULL, mng_special_move,
|
|
1502 |
mng_fields_move, (sizeof(mng_fields_move) / sizeof(mng_field_descriptor)),
|
|
1503 |
MNG_NULL,
|
|
1504 |
MNG_DESCR_MHDR,
|
|
1505 |
MNG_DESCR_NOIHDR | MNG_DESCR_NOBASI | MNG_DESCR_NODHDR | MNG_DESCR_NOJHDR};
|
|
1506 |
#endif
|
|
1507 |
|
|
1508 |
#ifndef MNG_SKIPCHUNK_CLIP
|
|
1509 |
MNG_LOCAL mng_chunk_descriptor mng_chunk_descr_clip =
|
|
1510 |
{mng_it_mng, mng_create_none, 0, 0,
|
|
1511 |
MNG_NULL, MNG_NULL, mng_special_clip,
|
|
1512 |
mng_fields_clip, (sizeof(mng_fields_clip) / sizeof(mng_field_descriptor)),
|
|
1513 |
MNG_NULL,
|
|
1514 |
MNG_DESCR_MHDR,
|
|
1515 |
MNG_DESCR_NOIHDR | MNG_DESCR_NOBASI | MNG_DESCR_NODHDR | MNG_DESCR_NOJHDR};
|
|
1516 |
#endif
|
|
1517 |
|
|
1518 |
#ifndef MNG_SKIPCHUNK_SHOW
|
|
1519 |
MNG_LOCAL mng_chunk_descriptor mng_chunk_descr_show =
|
|
1520 |
{mng_it_mng, mng_create_none, 0, offsetof(mng_show, bEmpty),
|
|
1521 |
MNG_NULL, MNG_NULL, mng_special_show,
|
|
1522 |
mng_fields_show, (sizeof(mng_fields_show) / sizeof(mng_field_descriptor)),
|
|
1523 |
MNG_DESCR_EMPTY | MNG_DESCR_EMPTYGLOBAL,
|
|
1524 |
MNG_DESCR_MHDR,
|
|
1525 |
MNG_DESCR_NOIHDR | MNG_DESCR_NOBASI | MNG_DESCR_NODHDR | MNG_DESCR_NOJHDR};
|
|
1526 |
#endif
|
|
1527 |
|
|
1528 |
#ifndef MNG_SKIPCHUNK_TERM
|
|
1529 |
MNG_LOCAL mng_chunk_descriptor mng_chunk_descr_term =
|
|
1530 |
{mng_it_mng, mng_create_none, 0, 0,
|
|
1531 |
MNG_NULL, MNG_NULL, mng_special_term,
|
|
1532 |
mng_fields_term, (sizeof(mng_fields_term) / sizeof(mng_field_descriptor)),
|
|
1533 |
MNG_NULL,
|
|
1534 |
MNG_DESCR_MHDR,
|
|
1535 |
MNG_DESCR_NOIHDR | MNG_DESCR_NOBASI | MNG_DESCR_NODHDR | MNG_DESCR_NOJHDR | MNG_DESCR_NOTERM | MNG_DESCR_NOLOOP};
|
|
1536 |
#endif
|
|
1537 |
|
|
1538 |
#ifndef MNG_SKIPCHUNK_SAVE
|
|
1539 |
MNG_LOCAL mng_chunk_descriptor mng_chunk_descr_save =
|
|
1540 |
{mng_it_mng, mng_create_none, 0, 0,
|
|
1541 |
MNG_NULL, MNG_NULL, mng_special_save,
|
|
1542 |
mng_fields_save, (sizeof(mng_fields_save) / sizeof(mng_field_descriptor)),
|
|
1543 |
MNG_DESCR_EMPTY | MNG_DESCR_EMPTYGLOBAL,
|
|
1544 |
MNG_DESCR_MHDR,
|
|
1545 |
MNG_DESCR_NOSAVE | MNG_DESCR_NOIHDR | MNG_DESCR_NOBASI | MNG_DESCR_NODHDR | MNG_DESCR_NOJHDR};
|
|
1546 |
#endif
|
|
1547 |
|
|
1548 |
#ifndef MNG_SKIPCHUNK_SEEK
|
|
1549 |
MNG_LOCAL mng_chunk_descriptor mng_chunk_descr_seek =
|
|
1550 |
{mng_it_mng, mng_create_none, 0, 0,
|
|
1551 |
MNG_NULL, MNG_NULL, mng_special_seek,
|
|
1552 |
mng_fields_seek, (sizeof(mng_fields_seek) / sizeof(mng_field_descriptor)),
|
|
1553 |
MNG_DESCR_EMPTY | MNG_DESCR_EMPTYGLOBAL,
|
|
1554 |
MNG_DESCR_MHDR | MNG_DESCR_SAVE,
|
|
1555 |
MNG_DESCR_NOIHDR | MNG_DESCR_NOBASI | MNG_DESCR_NODHDR | MNG_DESCR_NOJHDR};
|
|
1556 |
#endif
|
|
1557 |
|
|
1558 |
#ifndef MNG_SKIPCHUNK_eXPI
|
|
1559 |
MNG_LOCAL mng_chunk_descriptor mng_chunk_descr_expi =
|
|
1560 |
{mng_it_mng, mng_create_none, 0, 0,
|
|
1561 |
MNG_NULL, MNG_NULL, mng_special_expi,
|
|
1562 |
mng_fields_expi, (sizeof(mng_fields_expi) / sizeof(mng_field_descriptor)),
|
|
1563 |
MNG_NULL,
|
|
1564 |
MNG_DESCR_MHDR,
|
|
1565 |
MNG_DESCR_NOIHDR | MNG_DESCR_NOBASI | MNG_DESCR_NODHDR | MNG_DESCR_NOJHDR};
|
|
1566 |
#endif
|
|
1567 |
|
|
1568 |
#ifndef MNG_SKIPCHUNK_fPRI
|
|
1569 |
MNG_LOCAL mng_chunk_descriptor mng_chunk_descr_fpri =
|
|
1570 |
{mng_it_mng, mng_create_none, 0, 0,
|
|
1571 |
MNG_NULL, MNG_NULL, mng_special_fpri,
|
|
1572 |
mng_fields_fpri, (sizeof(mng_fields_fpri) / sizeof(mng_field_descriptor)),
|
|
1573 |
MNG_NULL,
|
|
1574 |
MNG_DESCR_MHDR,
|
|
1575 |
MNG_DESCR_NOIHDR | MNG_DESCR_NOBASI | MNG_DESCR_NODHDR | MNG_DESCR_NOJHDR};
|
|
1576 |
#endif
|
|
1577 |
|
|
1578 |
#ifndef MNG_SKIPCHUNK_nEED
|
|
1579 |
MNG_LOCAL mng_chunk_descriptor mng_chunk_descr_need =
|
|
1580 |
{mng_it_mng, mng_create_none, 0, 0,
|
|
1581 |
MNG_NULL, MNG_NULL, mng_special_need,
|
|
1582 |
mng_fields_need, (sizeof(mng_fields_need) / sizeof(mng_field_descriptor)),
|
|
1583 |
MNG_NULL,
|
|
1584 |
MNG_DESCR_MHDR,
|
|
1585 |
MNG_DESCR_NOIHDR | MNG_DESCR_NOBASI | MNG_DESCR_NODHDR | MNG_DESCR_NOJHDR};
|
|
1586 |
#endif
|
|
1587 |
|
|
1588 |
#ifndef MNG_SKIPCHUNK_pHYg
|
|
1589 |
MNG_LOCAL mng_chunk_descriptor mng_chunk_descr_phyg =
|
|
1590 |
{mng_it_mng, mng_create_none, 0, 0,
|
|
1591 |
MNG_NULL, MNG_NULL, mng_special_phyg,
|
|
1592 |
mng_fields_phyg, (sizeof(mng_fields_phyg) / sizeof(mng_field_descriptor)),
|
|
1593 |
MNG_NULL,
|
|
1594 |
MNG_DESCR_MHDR,
|
|
1595 |
MNG_DESCR_NOIHDR | MNG_DESCR_NOBASI | MNG_DESCR_NODHDR | MNG_DESCR_NOJHDR};
|
|
1596 |
#endif
|
|
1597 |
|
|
1598 |
#ifndef MNG_NO_DELTA_PNG
|
|
1599 |
MNG_LOCAL mng_chunk_descriptor mng_chunk_descr_dhdr =
|
|
1600 |
{mng_it_mng, mng_create_none, 0, 0,
|
|
1601 |
MNG_NULL, MNG_NULL, mng_special_dhdr,
|
|
1602 |
mng_fields_dhdr, (sizeof(mng_fields_dhdr) / sizeof(mng_field_descriptor)),
|
|
1603 |
MNG_NULL,
|
|
1604 |
MNG_DESCR_MHDR,
|
|
1605 |
MNG_DESCR_NOIHDR | MNG_DESCR_NOBASI | MNG_DESCR_NODHDR | MNG_DESCR_NOJHDR};
|
|
1606 |
#endif
|
|
1607 |
|
|
1608 |
#ifndef MNG_NO_DELTA_PNG
|
|
1609 |
MNG_LOCAL mng_chunk_descriptor mng_chunk_descr_prom =
|
|
1610 |
{mng_it_mng, mng_create_none, 0, 0,
|
|
1611 |
MNG_NULL, MNG_NULL, mng_special_prom,
|
|
1612 |
mng_fields_prom, (sizeof(mng_fields_prom) / sizeof(mng_field_descriptor)),
|
|
1613 |
MNG_NULL,
|
|
1614 |
MNG_DESCR_MHDR | MNG_DESCR_DHDR,
|
|
1615 |
MNG_NULL};
|
|
1616 |
#endif
|
|
1617 |
|
|
1618 |
#ifndef MNG_NO_DELTA_PNG
|
|
1619 |
MNG_LOCAL mng_chunk_descriptor mng_chunk_descr_ipng =
|
|
1620 |
{mng_it_mng, mng_create_none, 0, 0,
|
|
1621 |
MNG_NULL, MNG_NULL, mng_special_ipng,
|
|
1622 |
MNG_NULL, 0,
|
|
1623 |
MNG_DESCR_EMPTY | MNG_DESCR_EMPTYEMBED,
|
|
1624 |
MNG_DESCR_MHDR | MNG_DESCR_DHDR,
|
|
1625 |
MNG_NULL};
|
|
1626 |
#endif
|
|
1627 |
|
|
1628 |
#ifndef MNG_NO_DELTA_PNG
|
|
1629 |
MNG_LOCAL mng_chunk_descriptor mng_chunk_descr_pplt =
|
|
1630 |
{mng_it_mng, mng_create_none, 0, 0,
|
|
1631 |
MNG_NULL, MNG_NULL, mng_special_pplt,
|
|
1632 |
mng_fields_pplt, (sizeof(mng_fields_pplt) / sizeof(mng_field_descriptor)),
|
|
1633 |
MNG_NULL,
|
|
1634 |
MNG_DESCR_MHDR | MNG_DESCR_DHDR,
|
|
1635 |
MNG_NULL};
|
|
1636 |
#endif
|
|
1637 |
|
|
1638 |
#ifndef MNG_NO_DELTA_PNG
|
|
1639 |
#ifdef MNG_INCLUDE_JNG
|
|
1640 |
MNG_LOCAL mng_chunk_descriptor mng_chunk_descr_ijng =
|
|
1641 |
{mng_it_mng, mng_create_none, 0, 0,
|
|
1642 |
MNG_NULL, MNG_NULL, mng_special_ijng,
|
|
1643 |
MNG_NULL, 0,
|
|
1644 |
MNG_DESCR_EMPTY | MNG_DESCR_EMPTYEMBED,
|
|
1645 |
MNG_DESCR_MHDR | MNG_DESCR_DHDR,
|
|
1646 |
MNG_NULL};
|
|
1647 |
#endif
|
|
1648 |
#endif
|
|
1649 |
|
|
1650 |
#ifndef MNG_NO_DELTA_PNG
|
|
1651 |
MNG_LOCAL mng_chunk_descriptor mng_chunk_descr_drop =
|
|
1652 |
{mng_it_mng, mng_create_none, 0, 0,
|
|
1653 |
MNG_NULL, MNG_NULL, mng_special_drop,
|
|
1654 |
mng_fields_drop, (sizeof(mng_fields_drop) / sizeof(mng_field_descriptor)),
|
|
1655 |
MNG_NULL,
|
|
1656 |
MNG_DESCR_MHDR | MNG_DESCR_DHDR,
|
|
1657 |
MNG_NULL};
|
|
1658 |
#endif
|
|
1659 |
|
|
1660 |
#ifndef MNG_NO_DELTA_PNG
|
|
1661 |
#ifndef MNG_SKIPCHUNK_DBYK
|
|
1662 |
MNG_LOCAL mng_chunk_descriptor mng_chunk_descr_dbyk =
|
|
1663 |
{mng_it_mng, mng_create_none, 0, 0,
|
|
1664 |
MNG_NULL, MNG_NULL, mng_special_dbyk,
|
|
1665 |
mng_fields_dbyk, (sizeof(mng_fields_dbyk) / sizeof(mng_field_descriptor)),
|
|
1666 |
MNG_DESCR_EMPTY | MNG_DESCR_EMPTYEMBED,
|
|
1667 |
MNG_DESCR_MHDR | MNG_DESCR_DHDR,
|
|
1668 |
MNG_NULL};
|
|
1669 |
#endif
|
|
1670 |
#endif
|
|
1671 |
|
|
1672 |
#ifndef MNG_NO_DELTA_PNG
|
|
1673 |
#ifndef MNG_SKIPCHUNK_ORDR
|
|
1674 |
MNG_LOCAL mng_chunk_descriptor mng_chunk_descr_ordr =
|
|
1675 |
{mng_it_mng, mng_create_none, 0, 0,
|
|
1676 |
MNG_NULL, MNG_NULL, mng_special_ordr,
|
|
1677 |
mng_fields_ordr, (sizeof(mng_fields_ordr) / sizeof(mng_field_descriptor)),
|
|
1678 |
MNG_NULL,
|
|
1679 |
MNG_DESCR_MHDR | MNG_DESCR_DHDR,
|
|
1680 |
MNG_NULL};
|
|
1681 |
#endif
|
|
1682 |
#endif
|
|
1683 |
|
|
1684 |
#ifndef MNG_SKIPCHUNK_MAGN
|
|
1685 |
MNG_LOCAL mng_chunk_descriptor mng_chunk_descr_magn =
|
|
1686 |
{mng_it_mng, mng_create_none, 0, 0,
|
|
1687 |
MNG_NULL, MNG_NULL, mng_special_magn,
|
|
1688 |
mng_fields_magn, (sizeof(mng_fields_magn) / sizeof(mng_field_descriptor)),
|
|
1689 |
MNG_NULL,
|
|
1690 |
MNG_DESCR_MHDR,
|
|
1691 |
MNG_DESCR_NOIHDR | MNG_DESCR_NOBASI | MNG_DESCR_NODHDR | MNG_DESCR_NOJHDR};
|
|
1692 |
#endif
|
|
1693 |
|
|
1694 |
#ifndef MNG_SKIPCHUNK_evNT
|
|
1695 |
MNG_LOCAL mng_chunk_descriptor mng_chunk_descr_evnt =
|
|
1696 |
{mng_it_mng, mng_create_none, 0, 0,
|
|
1697 |
MNG_NULL, MNG_NULL, mng_special_evnt,
|
|
1698 |
mng_fields_evnt, (sizeof(mng_fields_evnt) / sizeof(mng_field_descriptor)),
|
|
1699 |
MNG_NULL,
|
|
1700 |
MNG_DESCR_MHDR,
|
|
1701 |
MNG_DESCR_NOSAVE};
|
|
1702 |
#endif
|
|
1703 |
|
|
1704 |
#ifdef MNG_INCLUDE_MPNG_PROPOSAL
|
|
1705 |
MNG_LOCAL mng_chunk_descriptor mng_chunk_descr_mpng =
|
|
1706 |
{mng_it_mpng, mng_create_none, 0, 0,
|
|
1707 |
MNG_NULL, MNG_NULL, mng_special_mpng,
|
|
1708 |
mng_fields_mpng, (sizeof(mng_fields_mpng) / sizeof(mng_field_descriptor)),
|
|
1709 |
MNG_NULL,
|
|
1710 |
MNG_NULL,
|
|
1711 |
MNG_DESCR_NOMHDR | MNG_DESCR_NOIDAT | MNG_DESCR_NOJDAT};
|
|
1712 |
#endif
|
|
1713 |
|
|
1714 |
#ifdef MNG_INCLUDE_ANG_PROPOSAL
|
|
1715 |
MNG_LOCAL mng_chunk_descriptor mng_chunk_descr_ahdr =
|
|
1716 |
{mng_it_ang, mng_create_none, 0, 0,
|
|
1717 |
MNG_NULL, MNG_NULL, mng_special_ahdr,
|
|
1718 |
mng_fields_ahdr, (sizeof(mng_fields_ahdr) / sizeof(mng_field_descriptor)),
|
|
1719 |
MNG_NULL,
|
|
1720 |
MNG_DESCR_IHDR,
|
|
1721 |
MNG_DESCR_NOMHDR | MNG_DESCR_NOJHDR | MNG_DESCR_NOIDAT};
|
|
1722 |
|
|
1723 |
MNG_LOCAL mng_chunk_descriptor mng_chunk_descr_adat =
|
|
1724 |
{mng_it_ang, mng_create_none, 0, 0,
|
|
1725 |
MNG_NULL, MNG_NULL, mng_special_adat,
|
|
1726 |
mng_fields_adat, (sizeof(mng_fields_adat) / sizeof(mng_field_descriptor)),
|
|
1727 |
MNG_NULL,
|
|
1728 |
MNG_DESCR_IHDR,
|
|
1729 |
MNG_DESCR_NOMHDR | MNG_DESCR_NOJHDR};
|
|
1730 |
#endif
|
|
1731 |
|
|
1732 |
/* ************************************************************************** */
|
|
1733 |
/* ************************************************************************** */
|
|
1734 |
/* the good ol' unknown babe */
|
|
1735 |
|
|
1736 |
MNG_LOCAL mng_chunk_descriptor mng_chunk_descr_unknown =
|
|
1737 |
{mng_it_png, mng_create_none, 0, 0,
|
|
1738 |
MNG_NULL, MNG_NULL, mng_special_unknown,
|
|
1739 |
mng_fields_unknown, (sizeof(mng_fields_unknown) / sizeof(mng_field_descriptor)),
|
|
1740 |
MNG_DESCR_EMPTY | MNG_DESCR_EMPTYEMBED,
|
|
1741 |
MNG_NULL,
|
|
1742 |
MNG_NULL};
|
|
1743 |
|
|
1744 |
/* ************************************************************************** */
|
|
1745 |
/* ************************************************************************** */
|
|
1746 |
|
|
1747 |
MNG_LOCAL mng_chunk_header mng_chunk_unknown =
|
|
1748 |
{MNG_UINT_HUH, mng_init_general, mng_free_unknown,
|
|
1749 |
mng_read_general, mng_write_unknown, mng_assign_unknown,
|
|
1750 |
0, 0, sizeof(mng_unknown_chunk), &mng_chunk_descr_unknown};
|
|
1751 |
|
|
1752 |
/* ************************************************************************** */
|
|
1753 |
|
|
1754 |
/* the table-idea & binary search code was adapted from
|
|
1755 |
libpng 1.1.0 (pngread.c) */
|
|
1756 |
/* NOTE1: the table must remain sorted by chunkname, otherwise the binary
|
|
1757 |
search will break !!! (ps. watch upper-/lower-case chunknames !!) */
|
|
1758 |
/* NOTE2: the layout must remain equal to the header part of all the
|
|
1759 |
chunk-structures (yes, that means even the pNext and pPrev fields;
|
|
1760 |
it's wasting a bit of space, but hey, the code is a lot easier) */
|
|
1761 |
|
|
1762 |
MNG_LOCAL mng_chunk_header mng_chunk_table [] =
|
|
1763 |
{
|
|
1764 |
#ifndef MNG_SKIPCHUNK_BACK
|
|
1765 |
{MNG_UINT_BACK, mng_init_general, mng_free_general, mng_read_general, mng_write_back, mng_assign_general, 0, 0, sizeof(mng_back), &mng_chunk_descr_back},
|
|
1766 |
#endif
|
|
1767 |
#ifndef MNG_SKIPCHUNK_BASI
|
|
1768 |
{MNG_UINT_BASI, mng_init_general, mng_free_general, mng_read_general, mng_write_basi, mng_assign_general, 0, 0, sizeof(mng_basi), &mng_chunk_descr_basi},
|
|
1769 |
#endif
|
|
1770 |
#ifndef MNG_SKIPCHUNK_CLIP
|
|
1771 |
{MNG_UINT_CLIP, mng_init_general, mng_free_general, mng_read_general, mng_write_clip, mng_assign_general, 0, 0, sizeof(mng_clip), &mng_chunk_descr_clip},
|
|
1772 |
#endif
|
|
1773 |
#ifndef MNG_SKIPCHUNK_CLON
|
|
1774 |
{MNG_UINT_CLON, mng_init_general, mng_free_general, mng_read_general, mng_write_clon, mng_assign_general, 0, 0, sizeof(mng_clon), &mng_chunk_descr_clon},
|
|
1775 |
#endif
|
|
1776 |
#ifndef MNG_NO_DELTA_PNG
|
|
1777 |
#ifndef MNG_SKIPCHUNK_DBYK
|
|
1778 |
{MNG_UINT_DBYK, mng_init_general, mng_free_dbyk, mng_read_general, mng_write_dbyk, mng_assign_dbyk, 0, 0, sizeof(mng_dbyk), &mng_chunk_descr_dbyk},
|
|
1779 |
#endif
|
|
1780 |
#endif
|
|
1781 |
#ifndef MNG_SKIPCHUNK_DEFI
|
|
1782 |
{MNG_UINT_DEFI, mng_init_general, mng_free_general, mng_read_general, mng_write_defi, mng_assign_general, 0, 0, sizeof(mng_defi), &mng_chunk_descr_defi},
|
|
1783 |
#endif
|
|
1784 |
#ifndef MNG_NO_DELTA_PNG
|
|
1785 |
{MNG_UINT_DHDR, mng_init_general, mng_free_general, mng_read_general, mng_write_dhdr, mng_assign_general, 0, 0, sizeof(mng_dhdr), &mng_chunk_descr_dhdr},
|
|
1786 |
#endif
|
|
1787 |
#ifndef MNG_SKIPCHUNK_DISC
|
|
1788 |
{MNG_UINT_DISC, mng_init_general, mng_free_disc, mng_read_general, mng_write_disc, mng_assign_disc, 0, 0, sizeof(mng_disc), &mng_chunk_descr_disc},
|
|
1789 |
#endif
|
|
1790 |
#ifndef MNG_NO_DELTA_PNG
|
|
1791 |
#ifndef MNG_SKIPCHUNK_DROP
|
|
1792 |
{MNG_UINT_DROP, mng_init_general, mng_free_drop, mng_read_general, mng_write_drop, mng_assign_drop, 0, 0, sizeof(mng_drop), &mng_chunk_descr_drop},
|
|
1793 |
#endif
|
|
1794 |
#endif
|
|
1795 |
#ifndef MNG_SKIPCHUNK_LOOP
|
|
1796 |
{MNG_UINT_ENDL, mng_init_general, mng_free_general, mng_read_general, mng_write_endl, mng_assign_general, 0, 0, sizeof(mng_endl), &mng_chunk_descr_endl},
|
|
1797 |
#endif
|
|
1798 |
#ifndef MNG_SKIPCHUNK_FRAM
|
|
1799 |
{MNG_UINT_FRAM, mng_init_general, mng_free_fram, mng_read_general, mng_write_fram, mng_assign_fram, 0, 0, sizeof(mng_fram), &mng_chunk_descr_fram},
|
|
1800 |
#endif
|
|
1801 |
{MNG_UINT_IDAT, mng_init_general, mng_free_idat, mng_read_general, mng_write_idat, mng_assign_idat, 0, 0, sizeof(mng_idat), &mng_chunk_descr_idat}, /* 12-th element! */
|
|
1802 |
{MNG_UINT_IEND, mng_init_general, mng_free_general, mng_read_general, mng_write_iend, mng_assign_general, 0, 0, sizeof(mng_iend), &mng_chunk_descr_iend},
|
|
1803 |
{MNG_UINT_IHDR, mng_init_general, mng_free_general, mng_read_general, mng_write_ihdr, mng_assign_general, 0, 0, sizeof(mng_ihdr), &mng_chunk_descr_ihdr},
|
|
1804 |
#ifndef MNG_NO_DELTA_PNG
|
|
1805 |
#ifdef MNG_INCLUDE_JNG
|
|
1806 |
{MNG_UINT_IJNG, mng_init_general, mng_free_general, mng_read_general, mng_write_ijng, mng_assign_general, 0, 0, sizeof(mng_ijng), &mng_chunk_descr_ijng},
|
|
1807 |
#endif
|
|
1808 |
{MNG_UINT_IPNG, mng_init_general, mng_free_general, mng_read_general, mng_write_ipng, mng_assign_general, 0, 0, sizeof(mng_ipng), &mng_chunk_descr_ipng},
|
|
1809 |
#endif
|
|
1810 |
#ifdef MNG_INCLUDE_JNG
|
|
1811 |
{MNG_UINT_JDAA, mng_init_general, mng_free_jdaa, mng_read_general, mng_write_jdaa, mng_assign_jdaa, 0, 0, sizeof(mng_jdaa), &mng_chunk_descr_jdaa},
|
|
1812 |
{MNG_UINT_JDAT, mng_init_general, mng_free_jdat, mng_read_general, mng_write_jdat, mng_assign_jdat, 0, 0, sizeof(mng_jdat), &mng_chunk_descr_jdat},
|
|
1813 |
{MNG_UINT_JHDR, mng_init_general, mng_free_general, mng_read_general, mng_write_jhdr, mng_assign_general, 0, 0, sizeof(mng_jhdr), &mng_chunk_descr_jhdr},
|
|
1814 |
{MNG_UINT_JSEP, mng_init_general, mng_free_general, mng_read_general, mng_write_jsep, mng_assign_general, 0, 0, sizeof(mng_jsep), &mng_chunk_descr_jsep},
|
|
1815 |
{MNG_UINT_JdAA, mng_init_general, mng_free_jdaa, mng_read_general, mng_write_jdaa, mng_assign_jdaa, 0, 0, sizeof(mng_jdaa), &mng_chunk_descr_jdaa},
|
|
1816 |
#endif
|
|
1817 |
#ifndef MNG_SKIPCHUNK_LOOP
|
|
1818 |
{MNG_UINT_LOOP, mng_init_general, mng_free_loop, mng_read_general, mng_write_loop, mng_assign_loop, 0, 0, sizeof(mng_loop), &mng_chunk_descr_loop},
|
|
1819 |
#endif
|
|
1820 |
#ifndef MNG_SKIPCHUNK_MAGN
|
|
1821 |
{MNG_UINT_MAGN, mng_init_general, mng_free_general, mng_read_general, mng_write_magn, mng_assign_general, 0, 0, sizeof(mng_magn), &mng_chunk_descr_magn},
|
|
1822 |
#endif
|
|
1823 |
{MNG_UINT_MEND, mng_init_general, mng_free_general, mng_read_general, mng_write_mend, mng_assign_general, 0, 0, sizeof(mng_mend), &mng_chunk_descr_mend},
|
|
1824 |
{MNG_UINT_MHDR, mng_init_general, mng_free_general, mng_read_general, mng_write_mhdr, mng_assign_general, 0, 0, sizeof(mng_mhdr), &mng_chunk_descr_mhdr},
|
|
1825 |
#ifndef MNG_SKIPCHUNK_MOVE
|
|
1826 |
{MNG_UINT_MOVE, mng_init_general, mng_free_general, mng_read_general, mng_write_move, mng_assign_general, 0, 0, sizeof(mng_move), &mng_chunk_descr_move},
|
|
1827 |
#endif
|
|
1828 |
#ifndef MNG_NO_DELTA_PNG
|
|
1829 |
#ifndef MNG_SKIPCHUNK_ORDR
|
|
1830 |
{MNG_UINT_ORDR, mng_init_general, mng_free_ordr, mng_read_general, mng_write_ordr, mng_assign_ordr, 0, 0, sizeof(mng_ordr), &mng_chunk_descr_ordr},
|
|
1831 |
#endif
|
|
1832 |
#endif
|
|
1833 |
#ifndef MNG_SKIPCHUNK_PAST
|
|
1834 |
{MNG_UINT_PAST, mng_init_general, mng_free_past, mng_read_general, mng_write_past, mng_assign_past, 0, 0, sizeof(mng_past), &mng_chunk_descr_past},
|
|
1835 |
#endif
|
|
1836 |
{MNG_UINT_PLTE, mng_init_general, mng_free_general, mng_read_general, mng_write_plte, mng_assign_general, 0, 0, sizeof(mng_plte), &mng_chunk_descr_plte},
|
|
1837 |
#ifndef MNG_NO_DELTA_PNG
|
|
1838 |
{MNG_UINT_PPLT, mng_init_general, mng_free_general, mng_read_general, mng_write_pplt, mng_assign_general, 0, 0, sizeof(mng_pplt), &mng_chunk_descr_pplt},
|
|
1839 |
{MNG_UINT_PROM, mng_init_general, mng_free_general, mng_read_general, mng_write_prom, mng_assign_general, 0, 0, sizeof(mng_prom), &mng_chunk_descr_prom},
|
|
1840 |
#endif
|
|
1841 |
#ifndef MNG_SKIPCHUNK_SAVE
|
|
1842 |
{MNG_UINT_SAVE, mng_init_general, mng_free_save, mng_read_general, mng_write_save, mng_assign_save, 0, 0, sizeof(mng_save), &mng_chunk_descr_save},
|
|
1843 |
#endif
|
|
1844 |
#ifndef MNG_SKIPCHUNK_SEEK
|
|
1845 |
{MNG_UINT_SEEK, mng_init_general, mng_free_seek, mng_read_general, mng_write_seek, mng_assign_seek, 0, 0, sizeof(mng_seek), &mng_chunk_descr_seek},
|
|
1846 |
#endif
|
|
1847 |
#ifndef MNG_SKIPCHUNK_SHOW
|
|
1848 |
{MNG_UINT_SHOW, mng_init_general, mng_free_general, mng_read_general, mng_write_show, mng_assign_general, 0, 0, sizeof(mng_show), &mng_chunk_descr_show},
|
|
1849 |
#endif
|
|
1850 |
#ifndef MNG_SKIPCHUNK_TERM
|
|
1851 |
{MNG_UINT_TERM, mng_init_general, mng_free_general, mng_read_general, mng_write_term, mng_assign_general, 0, 0, sizeof(mng_term), &mng_chunk_descr_term},
|
|
1852 |
#endif
|
|
1853 |
#ifdef MNG_INCLUDE_ANG_PROPOSAL
|
|
1854 |
{MNG_UINT_adAT, mng_init_general, mng_free_adat, mng_read_general, mng_write_adat, mng_assign_adat, 0, 0, sizeof(mng_adat), &mng_chunk_descr_adat},
|
|
1855 |
{MNG_UINT_ahDR, mng_init_general, mng_free_general, mng_read_general, mng_write_ahdr, mng_assign_ahdr, 0, 0, sizeof(mng_ahdr), &mng_chunk_descr_ahdr},
|
|
1856 |
#endif
|
|
1857 |
#ifndef MNG_SKIPCHUNK_bKGD
|
|
1858 |
{MNG_UINT_bKGD, mng_init_general, mng_free_general, mng_read_general, mng_write_bkgd, mng_assign_general, 0, 0, sizeof(mng_bkgd), &mng_chunk_descr_bkgd},
|
|
1859 |
#endif
|
|
1860 |
#ifndef MNG_SKIPCHUNK_cHRM
|
|
1861 |
{MNG_UINT_cHRM, mng_init_general, mng_free_general, mng_read_general, mng_write_chrm, mng_assign_general, 0, 0, sizeof(mng_chrm), &mng_chunk_descr_chrm},
|
|
1862 |
#endif
|
|
1863 |
#ifndef MNG_SKIPCHUNK_eXPI
|
|
1864 |
{MNG_UINT_eXPI, mng_init_general, mng_free_expi, mng_read_general, mng_write_expi, mng_assign_expi, 0, 0, sizeof(mng_expi), &mng_chunk_descr_expi},
|
|
1865 |
#endif
|
|
1866 |
#ifndef MNG_SKIPCHUNK_evNT
|
|
1867 |
{MNG_UINT_evNT, mng_init_general, mng_free_evnt, mng_read_general, mng_write_evnt, mng_assign_evnt, 0, 0, sizeof(mng_evnt), &mng_chunk_descr_evnt},
|
|
1868 |
#endif
|
|
1869 |
#ifndef MNG_SKIPCHUNK_fPRI
|
|
1870 |
{MNG_UINT_fPRI, mng_init_general, mng_free_general, mng_read_general, mng_write_fpri, mng_assign_general, 0, 0, sizeof(mng_fpri), &mng_chunk_descr_fpri},
|
|
1871 |
#endif
|
|
1872 |
#ifndef MNG_SKIPCHUNK_gAMA
|
|
1873 |
{MNG_UINT_gAMA, mng_init_general, mng_free_general, mng_read_general, mng_write_gama, mng_assign_general, 0, 0, sizeof(mng_gama), &mng_chunk_descr_gama},
|
|
1874 |
#endif
|
|
1875 |
#ifndef MNG_SKIPCHUNK_hIST
|
|
1876 |
{MNG_UINT_hIST, mng_init_general, mng_free_general, mng_read_general, mng_write_hist, mng_assign_general, 0, 0, sizeof(mng_hist), &mng_chunk_descr_hist},
|
|
1877 |
#endif
|
|
1878 |
#ifndef MNG_SKIPCHUNK_iCCP
|
|
1879 |
{MNG_UINT_iCCP, mng_init_general, mng_free_iccp, mng_read_general, mng_write_iccp, mng_assign_iccp, 0, 0, sizeof(mng_iccp), &mng_chunk_descr_iccp},
|
|
1880 |
#endif
|
|
1881 |
#ifndef MNG_SKIPCHUNK_iTXt
|
|
1882 |
{MNG_UINT_iTXt, mng_init_general, mng_free_itxt, mng_read_general, mng_write_itxt, mng_assign_itxt, 0, 0, sizeof(mng_itxt), &mng_chunk_descr_itxt},
|
|
1883 |
#endif
|
|
1884 |
#ifdef MNG_INCLUDE_MPNG_PROPOSAL
|
|
1885 |
{MNG_UINT_mpNG, mng_init_general, mng_free_mpng, mng_read_general, mng_write_mpng, mng_assign_mpng, 0, 0, sizeof(mng_mpng), &mng_chunk_descr_mpng},
|
|
1886 |
#endif
|
|
1887 |
#ifndef MNG_SKIPCHUNK_nEED
|
|
1888 |
{MNG_UINT_nEED, mng_init_general, mng_free_need, mng_read_general, mng_write_need, mng_assign_need, 0, 0, sizeof(mng_need), &mng_chunk_descr_need},
|
|
1889 |
#endif
|
|
1890 |
/* TODO: {MNG_UINT_oFFs, 0, 0, 0, 0, 0, 0}, */
|
|
1891 |
/* TODO: {MNG_UINT_pCAL, 0, 0, 0, 0, 0, 0}, */
|
|
1892 |
#ifndef MNG_SKIPCHUNK_pHYg
|
|
1893 |
{MNG_UINT_pHYg, mng_init_general, mng_free_general, mng_read_general, mng_write_phyg, mng_assign_general, 0, 0, sizeof(mng_phyg), &mng_chunk_descr_phyg},
|
|
1894 |
#endif
|
|
1895 |
#ifndef MNG_SKIPCHUNK_pHYs
|
|
1896 |
{MNG_UINT_pHYs, mng_init_general, mng_free_general, mng_read_general, mng_write_phys, mng_assign_general, 0, 0, sizeof(mng_phys), &mng_chunk_descr_phys},
|
|
1897 |
#endif
|
|
1898 |
#ifndef MNG_SKIPCHUNK_sBIT
|
|
1899 |
{MNG_UINT_sBIT, mng_init_general, mng_free_general, mng_read_general, mng_write_sbit, mng_assign_general, 0, 0, sizeof(mng_sbit), &mng_chunk_descr_sbit},
|
|
1900 |
#endif
|
|
1901 |
/* TODO: {MNG_UINT_sCAL, 0, 0, 0, 0, 0, 0}, */
|
|
1902 |
#ifndef MNG_SKIPCHUNK_sPLT
|
|
1903 |
{MNG_UINT_sPLT, mng_init_general, mng_free_splt, mng_read_general, mng_write_splt, mng_assign_splt, 0, 0, sizeof(mng_splt), &mng_chunk_descr_splt},
|
|
1904 |
#endif
|
|
1905 |
{MNG_UINT_sRGB, mng_init_general, mng_free_general, mng_read_general, mng_write_srgb, mng_assign_general, 0, 0, sizeof(mng_srgb), &mng_chunk_descr_srgb},
|
|
1906 |
#ifndef MNG_SKIPCHUNK_tEXt
|
|
1907 |
{MNG_UINT_tEXt, mng_init_general, mng_free_text, mng_read_general, mng_write_text, mng_assign_text, 0, 0, sizeof(mng_text), &mng_chunk_descr_text},
|
|
1908 |
#endif
|
|
1909 |
#ifndef MNG_SKIPCHUNK_tIME
|
|
1910 |
{MNG_UINT_tIME, mng_init_general, mng_free_general, mng_read_general, mng_write_time, mng_assign_general, 0, 0, sizeof(mng_time), &mng_chunk_descr_time},
|
|
1911 |
#endif
|
|
1912 |
{MNG_UINT_tRNS, mng_init_general, mng_free_general, mng_read_general, mng_write_trns, mng_assign_general, 0, 0, sizeof(mng_trns), &mng_chunk_descr_trns},
|
|
1913 |
#ifndef MNG_SKIPCHUNK_zTXt
|
|
1914 |
{MNG_UINT_zTXt, mng_init_general, mng_free_ztxt, mng_read_general, mng_write_ztxt, mng_assign_ztxt, 0, 0, sizeof(mng_ztxt), &mng_chunk_descr_ztxt},
|
|
1915 |
#endif
|
|
1916 |
};
|
|
1917 |
|
|
1918 |
/* ************************************************************************** */
|
|
1919 |
/* ************************************************************************** */
|
|
1920 |
|
|
1921 |
void mng_get_chunkheader (mng_chunkid iChunkname,
|
|
1922 |
mng_chunk_headerp pResult)
|
|
1923 |
{
|
|
1924 |
/* binary search variables */
|
|
1925 |
mng_int32 iTop, iLower, iUpper, iMiddle;
|
|
1926 |
mng_chunk_headerp pEntry; /* pointer to found entry */
|
|
1927 |
/* determine max index of table */
|
|
1928 |
iTop = (sizeof (mng_chunk_table) / sizeof (mng_chunk_table [0])) - 1;
|
|
1929 |
|
|
1930 |
/* binary search; with 54 chunks, worst-case is 7 comparisons */
|
|
1931 |
iLower = 0;
|
|
1932 |
#ifndef MNG_NO_DELTA_PNG
|
|
1933 |
iMiddle = 11; /* start with the IDAT entry */
|
|
1934 |
#else
|
|
1935 |
iMiddle = 8;
|
|
1936 |
#endif
|
|
1937 |
iUpper = iTop;
|
|
1938 |
pEntry = 0; /* no goods yet! */
|
|
1939 |
|
|
1940 |
do /* the binary search itself */
|
|
1941 |
{
|
|
1942 |
if (mng_chunk_table [iMiddle].iChunkname < iChunkname)
|
|
1943 |
iLower = iMiddle + 1;
|
|
1944 |
else if (mng_chunk_table [iMiddle].iChunkname > iChunkname)
|
|
1945 |
iUpper = iMiddle - 1;
|
|
1946 |
else
|
|
1947 |
{
|
|
1948 |
pEntry = &mng_chunk_table [iMiddle];
|
|
1949 |
break;
|
|
1950 |
}
|
|
1951 |
iMiddle = (iLower + iUpper) >> 1;
|
|
1952 |
}
|
|
1953 |
while (iLower <= iUpper);
|
|
1954 |
|
|
1955 |
if (!pEntry) /* unknown chunk ? */
|
|
1956 |
pEntry = &mng_chunk_unknown; /* make it so! */
|
|
1957 |
|
|
1958 |
MNG_COPY (pResult, pEntry, sizeof(mng_chunk_header));
|
|
1959 |
|
|
1960 |
return;
|
|
1961 |
}
|
|
1962 |
|
|
1963 |
/* ************************************************************************** */
|
|
1964 |
/* ************************************************************************** */
|
|
1965 |
/* PNG chunks */
|
|
1966 |
|
|
1967 |
MNG_C_SPECIALFUNC (mng_special_ihdr)
|
|
1968 |
{
|
|
1969 |
pData->bHasIHDR = MNG_TRUE; /* indicate IHDR is present */
|
|
1970 |
/* and store interesting fields */
|
|
1971 |
if ((!pData->bHasDHDR) || (pData->iDeltatype == MNG_DELTATYPE_NOCHANGE))
|
|
1972 |
{
|
|
1973 |
pData->iDatawidth = ((mng_ihdrp)pChunk)->iWidth;
|
|
1974 |
pData->iDataheight = ((mng_ihdrp)pChunk)->iHeight;
|
|
1975 |
}
|
|
1976 |
|
|
1977 |
pData->iBitdepth = ((mng_ihdrp)pChunk)->iBitdepth;
|
|
1978 |
pData->iColortype = ((mng_ihdrp)pChunk)->iColortype;
|
|
1979 |
pData->iCompression = ((mng_ihdrp)pChunk)->iCompression;
|
|
1980 |
pData->iFilter = ((mng_ihdrp)pChunk)->iFilter;
|
|
1981 |
pData->iInterlace = ((mng_ihdrp)pChunk)->iInterlace;
|
|
1982 |
|
|
1983 |
#if defined(MNG_NO_1_2_4BIT_SUPPORT) || defined(MNG_NO_16BIT_SUPPORT)
|
|
1984 |
pData->iPNGmult = 1;
|
|
1985 |
pData->iPNGdepth = pData->iBitdepth;
|
|
1986 |
#endif
|
|
1987 |
|
|
1988 |
#ifdef MNG_NO_1_2_4BIT_SUPPORT
|
|
1989 |
if (pData->iBitdepth < 8)
|
|
1990 |
pData->iBitdepth = 8;
|
|
1991 |
#endif
|
|
1992 |
|
|
1993 |
#ifdef MNG_NO_16BIT_SUPPORT
|
|
1994 |
if (pData->iBitdepth > 8)
|
|
1995 |
{
|
|
1996 |
pData->iBitdepth = 8;
|
|
1997 |
pData->iPNGmult = 2;
|
|
1998 |
}
|
|
1999 |
#endif
|
|
2000 |
|
|
2001 |
if ((pData->iBitdepth != 8) /* parameter validity checks */
|
|
2002 |
#ifndef MNG_NO_1_2_4BIT_SUPPORT
|
|
2003 |
&& (pData->iBitdepth != 1) &&
|
|
2004 |
(pData->iBitdepth != 2) &&
|
|
2005 |
(pData->iBitdepth != 4)
|
|
2006 |
#endif
|
|
2007 |
#ifndef MNG_NO_16BIT_SUPPORT
|
|
2008 |
&& (pData->iBitdepth != 16)
|
|
2009 |
#endif
|
|
2010 |
)
|
|
2011 |
MNG_ERROR (pData, MNG_INVALIDBITDEPTH);
|
|
2012 |
|
|
2013 |
if ((pData->iColortype != MNG_COLORTYPE_GRAY ) &&
|
|
2014 |
(pData->iColortype != MNG_COLORTYPE_RGB ) &&
|
|
2015 |
(pData->iColortype != MNG_COLORTYPE_INDEXED) &&
|
|
2016 |
(pData->iColortype != MNG_COLORTYPE_GRAYA ) &&
|
|
2017 |
(pData->iColortype != MNG_COLORTYPE_RGBA ) )
|
|
2018 |
MNG_ERROR (pData, MNG_INVALIDCOLORTYPE);
|
|
2019 |
|
|
2020 |
if ((pData->iColortype == MNG_COLORTYPE_INDEXED) && (pData->iBitdepth > 8))
|
|
2021 |
MNG_ERROR (pData, MNG_INVALIDBITDEPTH);
|
|
2022 |
|
|
2023 |
if (((pData->iColortype == MNG_COLORTYPE_RGB ) ||
|
|
2024 |
(pData->iColortype == MNG_COLORTYPE_GRAYA ) ||
|
|
2025 |
(pData->iColortype == MNG_COLORTYPE_RGBA ) ) &&
|
|
2026 |
(pData->iBitdepth < 8 ) )
|
|
2027 |
MNG_ERROR (pData, MNG_INVALIDBITDEPTH);
|
|
2028 |
|
|
2029 |
if (pData->iCompression != MNG_COMPRESSION_DEFLATE)
|
|
2030 |
MNG_ERROR (pData, MNG_INVALIDCOMPRESS);
|
|
2031 |
|
|
2032 |
#if defined(FILTER192) || defined(FILTER193)
|
|
2033 |
if ((pData->iFilter != MNG_FILTER_ADAPTIVE ) &&
|
|
2034 |
#if defined(FILTER192) && defined(FILTER193)
|
|
2035 |
(pData->iFilter != MNG_FILTER_DIFFERING) &&
|
|
2036 |
(pData->iFilter != MNG_FILTER_NOFILTER ) )
|
|
2037 |
#else
|
|
2038 |
#ifdef FILTER192
|
|
2039 |
(pData->iFilter != MNG_FILTER_DIFFERING) )
|
|
2040 |
#else
|
|
2041 |
(pData->iFilter != MNG_FILTER_NOFILTER ) )
|
|
2042 |
#endif
|
|
2043 |
#endif
|
|
2044 |
MNG_ERROR (pData, MNG_INVALIDFILTER);
|
|
2045 |
#else
|
|
2046 |
if (pData->iFilter)
|
|
2047 |
MNG_ERROR (pData, MNG_INVALIDFILTER);
|
|
2048 |
#endif
|
|
2049 |
|
|
2050 |
if ((pData->iInterlace != MNG_INTERLACE_NONE ) &&
|
|
2051 |
(pData->iInterlace != MNG_INTERLACE_ADAM7) )
|
|
2052 |
MNG_ERROR (pData, MNG_INVALIDINTERLACE);
|
|
2053 |
|
|
2054 |
#ifdef MNG_SUPPORT_DISPLAY
|
|
2055 |
#ifndef MNG_NO_DELTA_PNG
|
|
2056 |
if (pData->bHasDHDR) /* check the colortype for delta-images ! */
|
|
2057 |
{
|
|
2058 |
mng_imagedatap pBuf = ((mng_imagep)pData->pObjzero)->pImgbuf;
|
|
2059 |
|
|
2060 |
if (pData->iColortype != pBuf->iColortype)
|
|
2061 |
{
|
|
2062 |
if ( ( (pData->iColortype != MNG_COLORTYPE_INDEXED) ||
|
|
2063 |
(pBuf->iColortype == MNG_COLORTYPE_GRAY ) ) &&
|
|
2064 |
( (pData->iColortype != MNG_COLORTYPE_GRAY ) ||
|
|
2065 |
(pBuf->iColortype == MNG_COLORTYPE_INDEXED) ) )
|
|
2066 |
MNG_ERROR (pData, MNG_INVALIDCOLORTYPE);
|
|
2067 |
}
|
|
2068 |
}
|
|
2069 |
#endif
|
|
2070 |
#endif
|
|
2071 |
|
|
2072 |
if (!pData->bHasheader) /* first chunk ? */
|
|
2073 |
{
|
|
2074 |
pData->bHasheader = MNG_TRUE; /* we've got a header */
|
|
2075 |
pData->eImagetype = mng_it_png; /* then this must be a PNG */
|
|
2076 |
pData->iWidth = pData->iDatawidth;
|
|
2077 |
pData->iHeight = pData->iDataheight;
|
|
2078 |
/* predict alpha-depth ! */
|
|
2079 |
if ((pData->iColortype == MNG_COLORTYPE_GRAYA ) ||
|
|
2080 |
(pData->iColortype == MNG_COLORTYPE_RGBA ) )
|
|
2081 |
pData->iAlphadepth = pData->iBitdepth;
|
|
2082 |
else
|
|
2083 |
if (pData->iColortype == MNG_COLORTYPE_INDEXED)
|
|
2084 |
pData->iAlphadepth = 8; /* worst case scenario */
|
|
2085 |
else
|
|
2086 |
pData->iAlphadepth = 1; /* Possible tRNS cheap binary transparency */
|
|
2087 |
/* fits on maximum canvas ? */
|
|
2088 |
if ((pData->iWidth > pData->iMaxwidth) || (pData->iHeight > pData->iMaxheight))
|
|
2089 |
MNG_WARNING (pData, MNG_IMAGETOOLARGE);
|
|
2090 |
|
|
2091 |
#if !defined(MNG_INCLUDE_MPNG_PROPOSAL) || !defined(MNG_SUPPORT_DISPLAY)
|
|
2092 |
if (pData->fProcessheader) /* inform the app ? */
|
|
2093 |
if (!pData->fProcessheader (((mng_handle)pData), pData->iWidth, pData->iHeight))
|
|
2094 |
MNG_ERROR (pData, MNG_APPMISCERROR);
|
|
2095 |
#endif
|
|
2096 |
}
|
|
2097 |
|
|
2098 |
if (!pData->bHasDHDR)
|
|
2099 |
pData->iImagelevel++; /* one level deeper */
|
|
2100 |
|
|
2101 |
#ifdef MNG_SUPPORT_DISPLAY
|
|
2102 |
return mng_process_display_ihdr (pData);
|
|
2103 |
#else
|
|
2104 |
return MNG_NOERROR;
|
|
2105 |
#endif /* MNG_SUPPORT_DISPLAY */
|
|
2106 |
}
|
|
2107 |
|
|
2108 |
/* ************************************************************************** */
|
|
2109 |
|
|
2110 |
MNG_F_SPECIALFUNC (mng_debunk_plte)
|
|
2111 |
{
|
|
2112 |
mng_pltep pPLTE = (mng_pltep)pChunk;
|
|
2113 |
mng_uint32 iRawlen = *piRawlen;
|
|
2114 |
mng_uint8p pRawdata = *ppRawdata;
|
|
2115 |
/* length must be multiple of 3 */
|
|
2116 |
if (((iRawlen % 3) != 0) || (iRawlen > 768))
|
|
2117 |
MNG_ERROR (pData, MNG_INVALIDLENGTH);
|
|
2118 |
/* this is the exact length */
|
|
2119 |
pPLTE->iEntrycount = iRawlen / 3;
|
|
2120 |
|
|
2121 |
MNG_COPY (pPLTE->aEntries, pRawdata, iRawlen);
|
|
2122 |
|
|
2123 |
*piRawlen = 0;
|
|
2124 |
|
|
2125 |
return MNG_NOERROR;
|
|
2126 |
}
|
|
2127 |
|
|
2128 |
/* ************************************************************************** */
|
|
2129 |
|
|
2130 |
MNG_C_SPECIALFUNC (mng_special_plte)
|
|
2131 |
{ /* multiple PLTE only inside BASI */
|
|
2132 |
if ((pData->bHasPLTE) && (!pData->bHasBASI))
|
|
2133 |
MNG_ERROR (pData, MNG_MULTIPLEERROR);
|
|
2134 |
|
|
2135 |
if ((pData->bHasIHDR) || (pData->bHasBASI) || (pData->bHasDHDR))
|
|
2136 |
{ /* only allowed for indexed-color or
|
|
2137 |
rgb(a)-color! */
|
|
2138 |
if ((pData->iColortype != MNG_COLORTYPE_RGB ) &&
|
|
2139 |
(pData->iColortype != MNG_COLORTYPE_INDEXED) &&
|
|
2140 |
(pData->iColortype != MNG_COLORTYPE_RGBA ) )
|
|
2141 |
MNG_ERROR (pData, MNG_CHUNKNOTALLOWED);
|
|
2142 |
/* empty only allowed if global present */
|
|
2143 |
if ((((mng_pltep)pChunk)->bEmpty) && (!pData->bHasglobalPLTE))
|
|
2144 |
MNG_ERROR (pData, MNG_CANNOTBEEMPTY);
|
|
2145 |
}
|
|
2146 |
else
|
|
2147 |
{
|
|
2148 |
if (((mng_pltep)pChunk)->bEmpty) /* cannot be empty as global! */
|
|
2149 |
MNG_ERROR (pData, MNG_CANNOTBEEMPTY);
|
|
2150 |
}
|
|
2151 |
|
|
2152 |
if ((pData->bHasIHDR) || (pData->bHasBASI) || (pData->bHasDHDR))
|
|
2153 |
pData->bHasPLTE = MNG_TRUE; /* got it! */
|
|
2154 |
else
|
|
2155 |
pData->bHasglobalPLTE = MNG_TRUE;
|
|
2156 |
|
|
2157 |
pData->iPLTEcount = ((mng_pltep)pChunk)->iEntrycount;
|
|
2158 |
|
|
2159 |
#ifdef MNG_SUPPORT_DISPLAY
|
|
2160 |
if ((pData->bHasIHDR) || (pData->bHasBASI) || (pData->bHasDHDR))
|
|
2161 |
{
|
|
2162 |
mng_imagep pImage;
|
|
2163 |
mng_imagedatap pBuf;
|
|
2164 |
|
|
2165 |
#ifndef MNG_NO_DELTA_PNG
|
|
2166 |
if (pData->bHasDHDR) /* processing delta-image ? */
|
|
2167 |
{ /* store in object 0 !!! */
|
|
2168 |
pImage = (mng_imagep)pData->pObjzero;
|
|
2169 |
pBuf = pImage->pImgbuf;
|
|
2170 |
pBuf->bHasPLTE = MNG_TRUE; /* it's definitely got a PLTE now */
|
|
2171 |
pBuf->iPLTEcount = ((mng_pltep)pChunk)->iEntrycount;
|
|
2172 |
MNG_COPY (pBuf->aPLTEentries, ((mng_pltep)pChunk)->aEntries,
|
|
2173 |
sizeof (pBuf->aPLTEentries));
|
|
2174 |
}
|
|
2175 |
else
|
|
2176 |
#endif
|
|
2177 |
{ /* get the current object */
|
|
2178 |
pImage = (mng_imagep)pData->pCurrentobj;
|
|
2179 |
if (!pImage) /* no object then dump it in obj 0 */
|
|
2180 |
pImage = (mng_imagep)pData->pObjzero;
|
|
2181 |
|
|
2182 |
pBuf = pImage->pImgbuf; /* address the object buffer */
|
|
2183 |
pBuf->bHasPLTE = MNG_TRUE; /* and tell it it's got a PLTE now */
|
|
2184 |
|
|
2185 |
if (((mng_pltep)pChunk)->bEmpty) /* if empty, inherit from global */
|
|
2186 |
{
|
|
2187 |
pBuf->iPLTEcount = pData->iGlobalPLTEcount;
|
|
2188 |
MNG_COPY (pBuf->aPLTEentries, pData->aGlobalPLTEentries,
|
|
2189 |
sizeof (pBuf->aPLTEentries));
|
|
2190 |
|
|
2191 |
if (pData->bHasglobalTRNS) /* also copy global tRNS ? */
|
|
2192 |
{
|
|
2193 |
mng_uint32 iRawlen2 = pData->iGlobalTRNSrawlen;
|
|
2194 |
mng_uint8p pRawdata2 = (mng_uint8p)(pData->aGlobalTRNSrawdata);
|
|
2195 |
/* indicate tRNS available */
|
|
2196 |
pBuf->bHasTRNS = MNG_TRUE;
|
|
2197 |
/* global length oke ? */
|
|
2198 |
if ((iRawlen2 == 0) || (iRawlen2 > pBuf->iPLTEcount))
|
|
2199 |
MNG_ERROR (pData, MNG_GLOBALLENGTHERR);
|
|
2200 |
/* copy it */
|
|
2201 |
pBuf->iTRNScount = iRawlen2;
|
|
2202 |
MNG_COPY (pBuf->aTRNSentries, pRawdata2, iRawlen2);
|
|
2203 |
}
|
|
2204 |
}
|
|
2205 |
else
|
|
2206 |
{ /* store fields for future reference */
|
|
2207 |
pBuf->iPLTEcount = ((mng_pltep)pChunk)->iEntrycount;
|
|
2208 |
MNG_COPY (pBuf->aPLTEentries, ((mng_pltep)pChunk)->aEntries,
|
|
2209 |
sizeof (pBuf->aPLTEentries));
|
|
2210 |
}
|
|
2211 |
}
|
|
2212 |
}
|
|
2213 |
else /* store as global */
|
|
2214 |
{
|
|
2215 |
pData->iGlobalPLTEcount = ((mng_pltep)pChunk)->iEntrycount;
|
|
2216 |
MNG_COPY (pData->aGlobalPLTEentries, ((mng_pltep)pChunk)->aEntries,
|
|
2217 |
sizeof (pData->aGlobalPLTEentries));
|
|
2218 |
/* create an animation object */
|
|
2219 |
return mng_create_ani_plte (pData);
|
|
2220 |
}
|
|
2221 |
#endif /* MNG_SUPPORT_DISPLAY */
|
|
2222 |
|
|
2223 |
return MNG_NOERROR; /* done */
|
|
2224 |
}
|
|
2225 |
|
|
2226 |
/* ************************************************************************** */
|
|
2227 |
|
|
2228 |
MNG_C_SPECIALFUNC (mng_special_idat)
|
|
2229 |
{
|
|
2230 |
#ifdef MNG_INCLUDE_JNG
|
|
2231 |
if ((pData->bHasJHDR) &&
|
|
2232 |
(pData->iJHDRalphacompression != MNG_COMPRESSION_DEFLATE))
|
|
2233 |
MNG_ERROR (pData, MNG_SEQUENCEERROR);
|
|
2234 |
#endif
|
|
2235 |
/* not allowed for deltatype NO_CHANGE */
|
|
2236 |
#ifndef MNG_NO_DELTA_PNG
|
|
2237 |
if ((pData->bHasDHDR) && ((pData->iDeltatype == MNG_DELTATYPE_NOCHANGE)))
|
|
2238 |
MNG_ERROR (pData, MNG_CHUNKNOTALLOWED);
|
|
2239 |
#endif
|
|
2240 |
/* can only be empty in BASI-block! */
|
|
2241 |
if ((((mng_idatp)pChunk)->bEmpty) && (!pData->bHasBASI))
|
|
2242 |
MNG_ERROR (pData, MNG_INVALIDLENGTH);
|
|
2243 |
/* indexed-color requires PLTE */
|
|
2244 |
if ((pData->bHasIHDR) && (pData->iColortype == 3) && (!pData->bHasPLTE))
|
|
2245 |
MNG_ERROR (pData, MNG_PLTEMISSING);
|
|
2246 |
|
|
2247 |
pData->bHasIDAT = MNG_TRUE; /* got some IDAT now, don't we */
|
|
2248 |
|
|
2249 |
return MNG_NOERROR; /* done */
|
|
2250 |
}
|
|
2251 |
|
|
2252 |
/* ************************************************************************** */
|
|
2253 |
|
|
2254 |
MNG_C_SPECIALFUNC (mng_special_iend)
|
|
2255 |
{ /* IHDR-block requires IDAT */
|
|
2256 |
if ((pData->bHasIHDR) && (!pData->bHasIDAT))
|
|
2257 |
MNG_ERROR (pData, MNG_IDATMISSING);
|
|
2258 |
|
|
2259 |
pData->iImagelevel--; /* one level up */
|
|
2260 |
|
|
2261 |
#ifdef MNG_SUPPORT_DISPLAY
|
|
2262 |
{ /* create an animation object */
|
|
2263 |
mng_retcode iRetcode = mng_create_ani_image (pData);
|
|
2264 |
if (iRetcode) /* on error bail out */
|
|
2265 |
return iRetcode;
|
|
2266 |
/* display processing */
|
|
2267 |
iRetcode = mng_process_display_iend (pData);
|
|
2268 |
if (iRetcode) /* on error bail out */
|
|
2269 |
return iRetcode;
|
|
2270 |
}
|
|
2271 |
#endif /* MNG_SUPPORT_DISPLAY */
|
|
2272 |
|
|
2273 |
#ifdef MNG_SUPPORT_DISPLAY
|
|
2274 |
if (!pData->bTimerset) /* reset only if not broken !!! */
|
|
2275 |
{
|
|
2276 |
#endif
|
|
2277 |
/* IEND signals the end for most ... */
|
|
2278 |
pData->bHasIHDR = MNG_FALSE;
|
|
2279 |
pData->bHasBASI = MNG_FALSE;
|
|
2280 |
pData->bHasDHDR = MNG_FALSE;
|
|
2281 |
#ifdef MNG_INCLUDE_JNG
|
|
2282 |
pData->bHasJHDR = MNG_FALSE;
|
|
2283 |
pData->bHasJSEP = MNG_FALSE;
|
|
2284 |
pData->bHasJDAA = MNG_FALSE;
|
|
2285 |
pData->bHasJDAT = MNG_FALSE;
|
|
2286 |
#endif
|
|
2287 |
pData->bHasPLTE = MNG_FALSE;
|
|
2288 |
pData->bHasTRNS = MNG_FALSE;
|
|
2289 |
pData->bHasGAMA = MNG_FALSE;
|
|
2290 |
pData->bHasCHRM = MNG_FALSE;
|
|
2291 |
pData->bHasSRGB = MNG_FALSE;
|
|
2292 |
pData->bHasICCP = MNG_FALSE;
|
|
2293 |
pData->bHasBKGD = MNG_FALSE;
|
|
2294 |
pData->bHasIDAT = MNG_FALSE;
|
|
2295 |
#ifdef MNG_SUPPORT_DISPLAY
|
|
2296 |
}
|
|
2297 |
#endif
|
|
2298 |
|
|
2299 |
return MNG_NOERROR; /* done */
|
|
2300 |
}
|
|
2301 |
|
|
2302 |
/* ************************************************************************** */
|
|
2303 |
|
|
2304 |
MNG_F_SPECIALFUNC (mng_debunk_trns)
|
|
2305 |
{
|
|
2306 |
mng_trnsp pTRNS = (mng_trnsp)pChunk;
|
|
2307 |
mng_uint32 iRawlen = *piRawlen;
|
|
2308 |
mng_uint8p pRawdata = *ppRawdata;
|
|
2309 |
|
|
2310 |
if ((pData->bHasIHDR) || (pData->bHasBASI) || (pData->bHasDHDR))
|
|
2311 |
{ /* not global! */
|
|
2312 |
pTRNS->bGlobal = MNG_FALSE;
|
|
2313 |
pTRNS->iType = pData->iColortype;
|
|
2314 |
|
|
2315 |
if (iRawlen != 0)
|
|
2316 |
{
|
|
2317 |
switch (pData->iColortype) /* store fields */
|
|
2318 |
{
|
|
2319 |
case 0: { /* gray */
|
|
2320 |
if (iRawlen != 2)
|
|
2321 |
MNG_ERROR (pData, MNG_INVALIDLENGTH);
|
|
2322 |
pTRNS->iGray = mng_get_uint16 (pRawdata);
|
|
2323 |
break;
|
|
2324 |
}
|
|
2325 |
case 2: { /* rgb */
|
|
2326 |
if (iRawlen != 6)
|
|
2327 |
MNG_ERROR (pData, MNG_INVALIDLENGTH);
|
|
2328 |
pTRNS->iRed = mng_get_uint16 (pRawdata);
|
|
2329 |
pTRNS->iGreen = mng_get_uint16 (pRawdata+2);
|
|
2330 |
pTRNS->iBlue = mng_get_uint16 (pRawdata+4);
|
|
2331 |
break;
|
|
2332 |
}
|
|
2333 |
case 3: { /* indexed */
|
|
2334 |
if (iRawlen > 256)
|
|
2335 |
MNG_ERROR (pData, MNG_INVALIDLENGTH);
|
|
2336 |
pTRNS->iCount = iRawlen;
|
|
2337 |
MNG_COPY (pTRNS->aEntries, pRawdata, iRawlen);
|
|
2338 |
break;
|
|
2339 |
}
|
|
2340 |
}
|
|
2341 |
}
|
|
2342 |
}
|
|
2343 |
else /* it's global! */
|
|
2344 |
{
|
|
2345 |
if (iRawlen == 0)
|
|
2346 |
MNG_ERROR (pData, MNG_INVALIDLENGTH);
|
|
2347 |
pTRNS->bGlobal = MNG_TRUE;
|
|
2348 |
pTRNS->iType = 0;
|
|
2349 |
pTRNS->iRawlen = iRawlen;
|
|
2350 |
MNG_COPY (pTRNS->aRawdata, pRawdata, iRawlen);
|
|
2351 |
|
|
2352 |
pData->iGlobalTRNSrawlen = iRawlen;
|
|
2353 |
MNG_COPY (pData->aGlobalTRNSrawdata, pRawdata, iRawlen);
|
|
2354 |
}
|
|
2355 |
|
|
2356 |
*piRawlen = 0;
|
|
2357 |
|
|
2358 |
return MNG_NOERROR;
|
|
2359 |
}
|
|
2360 |
|
|
2361 |
/* ************************************************************************** */
|
|
2362 |
|
|
2363 |
MNG_C_SPECIALFUNC (mng_special_trns)
|
|
2364 |
{ /* multiple tRNS only inside BASI */
|
|
2365 |
if ((pData->bHasTRNS) && (!pData->bHasBASI))
|
|
2366 |
MNG_ERROR (pData, MNG_MULTIPLEERROR);
|
|
2367 |
|
|
2368 |
if ((pData->bHasIHDR) || (pData->bHasBASI) || (pData->bHasDHDR))
|
|
2369 |
{ /* not allowed with full alpha-channel */
|
|
2370 |
if ((pData->iColortype == 4) || (pData->iColortype == 6))
|
|
2371 |
MNG_ERROR (pData, MNG_CHUNKNOTALLOWED);
|
|
2372 |
|
|
2373 |
if (!((mng_trnsp)pChunk)->bEmpty) /* filled ? */
|
|
2374 |
{
|
|
2375 |
#ifdef MNG_SUPPORT_DISPLAY
|
|
2376 |
if (pData->iColortype == 3)
|
|
2377 |
{
|
|
2378 |
mng_imagep pImage = (mng_imagep)pData->pCurrentobj;
|
|
2379 |
mng_imagedatap pBuf;
|
|
2380 |
|
|
2381 |
if (!pImage) /* no object then check obj 0 */
|
|
2382 |
pImage = (mng_imagep)pData->pObjzero;
|
|
2383 |
|
|
2384 |
pBuf = pImage->pImgbuf; /* address object buffer */
|
|
2385 |
|
|
2386 |
if (((mng_trnsp)pChunk)->iCount > pBuf->iPLTEcount)
|
|
2387 |
MNG_ERROR (pData, MNG_INVALIDLENGTH);
|
|
2388 |
}
|
|
2389 |
#endif
|
|
2390 |
}
|
|
2391 |
else /* if empty there must be global stuff! */
|
|
2392 |
{
|
|
2393 |
if (!pData->bHasglobalTRNS)
|
|
2394 |
MNG_ERROR (pData, MNG_CANNOTBEEMPTY);
|
|
2395 |
}
|
|
2396 |
}
|
|
2397 |
|
|
2398 |
if ((pData->bHasIHDR) || (pData->bHasBASI) || (pData->bHasDHDR))
|
|
2399 |
pData->bHasTRNS = MNG_TRUE; /* indicate tRNS available */
|
|
2400 |
else
|
|
2401 |
pData->bHasglobalTRNS = MNG_TRUE;
|
|
2402 |
|
|
2403 |
#ifdef MNG_SUPPORT_DISPLAY
|
|
2404 |
if ((pData->bHasIHDR) || (pData->bHasBASI) || (pData->bHasDHDR))
|
|
2405 |
{
|
|
2406 |
mng_imagep pImage;
|
|
2407 |
mng_imagedatap pBuf;
|
|
2408 |
mng_uint8p pRawdata2;
|
|
2409 |
mng_uint32 iRawlen2;
|
|
2410 |
|
|
2411 |
#ifndef MNG_NO_DELTA_PNG
|
|
2412 |
if (pData->bHasDHDR) /* processing delta-image ? */
|
|
2413 |
{ /* store in object 0 !!! */
|
|
2414 |
#if defined(MNG_NO_1_2_4BIT_SUPPORT)
|
|
2415 |
mng_uint8 multiplier[]={0,255,85,0,17,0,0,0,1,0,0,0,0,0,0,0,1};
|
|
2416 |
#endif
|
|
2417 |
pImage = (mng_imagep)pData->pObjzero;
|
|
2418 |
pBuf = pImage->pImgbuf; /* address object buffer */
|
|
2419 |
pBuf->bHasTRNS = MNG_TRUE; /* tell it it's got a tRNS now */
|
|
2420 |
pBuf->iTRNSgray = 0;
|
|
2421 |
pBuf->iTRNSred = 0;
|
|
2422 |
pBuf->iTRNSgreen = 0;
|
|
2423 |
pBuf->iTRNSblue = 0;
|
|
2424 |
pBuf->iTRNScount = 0;
|
|
2425 |
|
|
2426 |
switch (pData->iColortype) /* store fields for future reference */
|
|
2427 |
{
|
|
2428 |
case 0: { /* gray */
|
|
2429 |
pBuf->iTRNSgray = ((mng_trnsp)pChunk)->iGray;
|
|
2430 |
#if defined(MNG_NO_1_2_4BIT_SUPPORT)
|
|
2431 |
pBuf->iTRNSgray *= multiplier[pData->iPNGdepth];
|
|
2432 |
#endif
|
|
2433 |
#if defined(MNG_NO_16BIT_SUPPORT)
|
|
2434 |
if (pData->iPNGmult == 2)
|
|
2435 |
pBuf->iTRNSgray >>= 8;
|
|
2436 |
#endif
|
|
2437 |
break;
|
|
2438 |
}
|
|
2439 |
case 2: { /* rgb */
|
|
2440 |
pBuf->iTRNSred = ((mng_trnsp)pChunk)->iRed;
|
|
2441 |
pBuf->iTRNSgreen = ((mng_trnsp)pChunk)->iGreen;
|
|
2442 |
pBuf->iTRNSblue = ((mng_trnsp)pChunk)->iBlue;
|
|
2443 |
#if defined(MNG_NO_16BIT_SUPPORT)
|
|
2444 |
if (pData->iPNGmult == 2)
|
|
2445 |
{
|
|
2446 |
pBuf->iTRNSred >>= 8;
|
|
2447 |
pBuf->iTRNSgreen >>= 8;
|
|
2448 |
pBuf->iTRNSblue >>= 8;
|
|
2449 |
}
|
|
2450 |
#endif
|
|
2451 |
break;
|
|
2452 |
}
|
|
2453 |
case 3: { /* indexed */
|
|
2454 |
pBuf->iTRNScount = ((mng_trnsp)pChunk)->iCount;
|
|
2455 |
MNG_COPY (pBuf->aTRNSentries,
|
|
2456 |
((mng_trnsp)pChunk)->aEntries,
|
|
2457 |
((mng_trnsp)pChunk)->iCount);
|
|
2458 |
break;
|
|
2459 |
}
|
|
2460 |
}
|
|
2461 |
}
|
|
2462 |
else
|
|
2463 |
#endif
|
|
2464 |
{ /* address current object */
|
|
2465 |
pImage = (mng_imagep)pData->pCurrentobj;
|
|
2466 |
|
|
2467 |
if (!pImage) /* no object then dump it in obj 0 */
|
|
2468 |
pImage = (mng_imagep)pData->pObjzero;
|
|
2469 |
|
|
2470 |
pBuf = pImage->pImgbuf; /* address object buffer */
|
|
2471 |
pBuf->bHasTRNS = MNG_TRUE; /* and tell it it's got a tRNS now */
|
|
2472 |
pBuf->iTRNSgray = 0;
|
|
2473 |
pBuf->iTRNSred = 0;
|
|
2474 |
pBuf->iTRNSgreen = 0;
|
|
2475 |
pBuf->iTRNSblue = 0;
|
|
2476 |
pBuf->iTRNScount = 0;
|
|
2477 |
|
|
2478 |
if (((mng_trnsp)pChunk)->bEmpty) /* if empty, inherit from global */
|
|
2479 |
{
|
|
2480 |
iRawlen2 = pData->iGlobalTRNSrawlen;
|
|
2481 |
pRawdata2 = (mng_ptr)(pData->aGlobalTRNSrawdata);
|
|
2482 |
/* global length oke ? */
|
|
2483 |
if ((pData->iColortype == 0) && (iRawlen2 != 2))
|
|
2484 |
MNG_ERROR (pData, MNG_GLOBALLENGTHERR);
|
|
2485 |
|
|
2486 |
if ((pData->iColortype == 2) && (iRawlen2 != 6))
|
|
2487 |
MNG_ERROR (pData, MNG_GLOBALLENGTHERR);
|
|
2488 |
|
|
2489 |
if ((pData->iColortype == 3) && ((iRawlen2 == 0) || (iRawlen2 > pBuf->iPLTEcount)))
|
|
2490 |
MNG_ERROR (pData, MNG_GLOBALLENGTHERR);
|
|
2491 |
|
|
2492 |
switch (pData->iColortype) /* store fields for future reference */
|
|
2493 |
{
|
|
2494 |
case 0: { /* gray */
|
|
2495 |
pBuf->iTRNSgray = mng_get_uint16 (pRawdata2);
|
|
2496 |
#if defined(MNG_NO_16BIT_SUPPORT)
|
|
2497 |
if (pData->iPNGmult == 2)
|
|
2498 |
pBuf->iTRNSgray >>= 8;
|
|
2499 |
#endif
|
|
2500 |
break;
|
|
2501 |
}
|
|
2502 |
case 2: { /* rgb */
|
|
2503 |
pBuf->iTRNSred = mng_get_uint16 (pRawdata2);
|
|
2504 |
pBuf->iTRNSgreen = mng_get_uint16 (pRawdata2+2);
|
|
2505 |
pBuf->iTRNSblue = mng_get_uint16 (pRawdata2+4);
|
|
2506 |
#if defined(MNG_NO_16BIT_SUPPORT)
|
|
2507 |
if (pData->iPNGmult == 2)
|
|
2508 |
{
|
|
2509 |
pBuf->iTRNSred >>= 8;
|
|
2510 |
pBuf->iTRNSgreen >>= 8;
|
|
2511 |
pBuf->iTRNSblue >>= 8;
|
|
2512 |
}
|
|
2513 |
#endif
|
|
2514 |
break;
|
|
2515 |
}
|
|
2516 |
case 3: { /* indexed */
|
|
2517 |
pBuf->iTRNScount = iRawlen2;
|
|
2518 |
MNG_COPY (pBuf->aTRNSentries, pRawdata2, iRawlen2);
|
|
2519 |
break;
|
|
2520 |
}
|
|
2521 |
}
|
|
2522 |
}
|
|
2523 |
else
|
|
2524 |
{
|
|
2525 |
switch (pData->iColortype) /* store fields for future reference */
|
|
2526 |
{
|
|
2527 |
case 0: { /* gray */
|
|
2528 |
pBuf->iTRNSgray = ((mng_trnsp)pChunk)->iGray;
|
|
2529 |
#if defined(MNG_NO_16BIT_SUPPORT)
|
|
2530 |
if (pData->iPNGmult == 2)
|
|
2531 |
pBuf->iTRNSgray >>= 8;
|
|
2532 |
#endif
|
|
2533 |
break;
|
|
2534 |
}
|
|
2535 |
case 2: { /* rgb */
|
|
2536 |
pBuf->iTRNSred = ((mng_trnsp)pChunk)->iRed;
|
|
2537 |
pBuf->iTRNSgreen = ((mng_trnsp)pChunk)->iGreen;
|
|
2538 |
pBuf->iTRNSblue = ((mng_trnsp)pChunk)->iBlue;
|
|
2539 |
#if defined(MNG_NO_16BIT_SUPPORT)
|
|
2540 |
if (pData->iPNGmult == 2)
|
|
2541 |
{
|
|
2542 |
pBuf->iTRNSred >>= 8;
|
|
2543 |
pBuf->iTRNSgreen >>= 8;
|
|
2544 |
pBuf->iTRNSblue >>= 8;
|
|
2545 |
}
|
|
2546 |
#endif
|
|
2547 |
break;
|
|
2548 |
}
|
|
2549 |
case 3: { /* indexed */
|
|
2550 |
pBuf->iTRNScount = ((mng_trnsp)pChunk)->iCount;
|
|
2551 |
MNG_COPY (pBuf->aTRNSentries,
|
|
2552 |
((mng_trnsp)pChunk)->aEntries,
|
|
2553 |
((mng_trnsp)pChunk)->iCount);
|
|
2554 |
break;
|
|
2555 |
}
|
|
2556 |
}
|
|
2557 |
}
|
|
2558 |
}
|
|
2559 |
}
|
|
2560 |
else
|
|
2561 |
{ /* create an animation object */
|
|
2562 |
return mng_create_ani_trns (pData);
|
|
2563 |
}
|
|
2564 |
#endif /* MNG_SUPPORT_DISPLAY */
|
|
2565 |
|
|
2566 |
return MNG_NOERROR; /* done */
|
|
2567 |
}
|
|
2568 |
|
|
2569 |
/* ************************************************************************** */
|
|
2570 |
|
|
2571 |
MNG_C_SPECIALFUNC (mng_special_gama)
|
|
2572 |
{
|
|
2573 |
#ifdef MNG_INCLUDE_JNG
|
|
2574 |
if ((pData->bHasIHDR) || (pData->bHasBASI) || (pData->bHasDHDR) || (pData->bHasJHDR))
|
|
2575 |
#else
|
|
2576 |
if ((pData->bHasIHDR) || (pData->bHasBASI) || (pData->bHasDHDR))
|
|
2577 |
#endif
|
|
2578 |
pData->bHasGAMA = MNG_TRUE; /* indicate we've got it */
|
|
2579 |
else
|
|
2580 |
pData->bHasglobalGAMA = (mng_bool)!((mng_gamap)pChunk)->bEmpty;
|
|
2581 |
|
|
2582 |
#ifdef MNG_SUPPORT_DISPLAY
|
|
2583 |
#ifdef MNG_INCLUDE_JNG
|
|
2584 |
if ((pData->bHasIHDR) || (pData->bHasBASI) || (pData->bHasDHDR) || (pData->bHasJHDR))
|
|
2585 |
#else
|
|
2586 |
if ((pData->bHasIHDR) || (pData->bHasBASI) || (pData->bHasDHDR))
|
|
2587 |
#endif
|
|
2588 |
{
|
|
2589 |
mng_imagep pImage;
|
|
2590 |
|
|
2591 |
#ifndef MNG_NO_DELTA_PNG
|
|
2592 |
if (pData->bHasDHDR) /* update delta image ? */
|
|
2593 |
pImage = (mng_imagep)pData->pObjzero;
|
|
2594 |
else
|
|
2595 |
#endif
|
|
2596 |
{
|
|
2597 |
pImage = (mng_imagep)pData->pCurrentobj;
|
|
2598 |
if (!pImage) /* no object then dump it in obj 0 */
|
|
2599 |
pImage = (mng_imagep)pData->pObjzero;
|
|
2600 |
}
|
|
2601 |
/* store for color-processing routines */
|
|
2602 |
pImage->pImgbuf->iGamma = ((mng_gamap)pChunk)->iGamma;
|
|
2603 |
pImage->pImgbuf->bHasGAMA = MNG_TRUE;
|
|
2604 |
}
|
|
2605 |
else
|
|
2606 |
{ /* store as global */
|
|
2607 |
if (!((mng_gamap)pChunk)->bEmpty)
|
|
2608 |
pData->iGlobalGamma = ((mng_gamap)pChunk)->iGamma;
|
|
2609 |
/* create an animation object */
|
|
2610 |
return mng_create_ani_gama (pData, pChunk);
|
|
2611 |
}
|
|
2612 |
#endif /* MNG_SUPPORT_DISPLAY */
|
|
2613 |
|
|
2614 |
return MNG_NOERROR; /* done */
|
|
2615 |
}
|
|
2616 |
|
|
2617 |
/* ************************************************************************** */
|
|
2618 |
|
|
2619 |
#ifndef MNG_SKIPCHUNK_cHRM
|
|
2620 |
MNG_C_SPECIALFUNC (mng_special_chrm)
|
|
2621 |
{
|
|
2622 |
#ifdef MNG_INCLUDE_JNG
|
|
2623 |
if ((pData->bHasIHDR) || (pData->bHasBASI) || (pData->bHasDHDR) || (pData->bHasJHDR))
|
|
2624 |
#else
|
|
2625 |
if ((pData->bHasIHDR) || (pData->bHasBASI) || (pData->bHasDHDR))
|
|
2626 |
#endif
|
|
2627 |
pData->bHasCHRM = MNG_TRUE; /* indicate we've got it */
|
|
2628 |
else
|
|
2629 |
pData->bHasglobalCHRM = (mng_bool)!((mng_chrmp)pChunk)->bEmpty;
|
|
2630 |
|
|
2631 |
#ifdef MNG_SUPPORT_DISPLAY
|
|
2632 |
{
|
|
2633 |
#ifdef MNG_INCLUDE_JNG
|
|
2634 |
if ((pData->bHasIHDR) || (pData->bHasBASI) || (pData->bHasDHDR) || (pData->bHasJHDR))
|
|
2635 |
#else
|
|
2636 |
if ((pData->bHasIHDR) || (pData->bHasBASI) || (pData->bHasDHDR))
|
|
2637 |
#endif
|
|
2638 |
{
|
|
2639 |
mng_imagep pImage;
|
|
2640 |
mng_imagedatap pBuf;
|
|
2641 |
|
|
2642 |
#ifndef MNG_NO_DELTA_PNG
|
|
2643 |
if (pData->bHasDHDR) /* update delta image ? */
|
|
2644 |
pImage = (mng_imagep)pData->pObjzero;
|
|
2645 |
else
|
|
2646 |
#endif
|
|
2647 |
{
|
|
2648 |
pImage = (mng_imagep)pData->pCurrentobj;
|
|
2649 |
if (!pImage) /* no object then dump it in obj 0 */
|
|
2650 |
pImage = (mng_imagep)pData->pObjzero;
|
|
2651 |
}
|
|
2652 |
|
|
2653 |
pBuf = pImage->pImgbuf; /* address object buffer */
|
|
2654 |
pBuf->bHasCHRM = MNG_TRUE; /* and tell it it's got a CHRM now */
|
|
2655 |
/* store for color-processing routines */
|
|
2656 |
pBuf->iWhitepointx = ((mng_chrmp)pChunk)->iWhitepointx;
|
|
2657 |
pBuf->iWhitepointy = ((mng_chrmp)pChunk)->iWhitepointy;
|
|
2658 |
pBuf->iPrimaryredx = ((mng_chrmp)pChunk)->iRedx;
|
|
2659 |
pBuf->iPrimaryredy = ((mng_chrmp)pChunk)->iRedy;
|
|
2660 |
pBuf->iPrimarygreenx = ((mng_chrmp)pChunk)->iGreenx;
|
|
2661 |
pBuf->iPrimarygreeny = ((mng_chrmp)pChunk)->iGreeny;
|
|
2662 |
pBuf->iPrimarybluex = ((mng_chrmp)pChunk)->iBluex;
|
|
2663 |
pBuf->iPrimarybluey = ((mng_chrmp)pChunk)->iBluey;
|
|
2664 |
}
|
|
2665 |
else
|
|
2666 |
{ /* store as global */
|
|
2667 |
if (!((mng_chrmp)pChunk)->bEmpty)
|
|
2668 |
{
|
|
2669 |
pData->iGlobalWhitepointx = ((mng_chrmp)pChunk)->iWhitepointx;
|
|
2670 |
pData->iGlobalWhitepointy = ((mng_chrmp)pChunk)->iWhitepointy;
|
|
2671 |
pData->iGlobalPrimaryredx = ((mng_chrmp)pChunk)->iRedx;
|
|
2672 |
pData->iGlobalPrimaryredy = ((mng_chrmp)pChunk)->iRedy;
|
|
2673 |
pData->iGlobalPrimarygreenx = ((mng_chrmp)pChunk)->iGreenx;
|
|
2674 |
pData->iGlobalPrimarygreeny = ((mng_chrmp)pChunk)->iGreeny;
|
|
2675 |
pData->iGlobalPrimarybluex = ((mng_chrmp)pChunk)->iBluex;
|
|
2676 |
pData->iGlobalPrimarybluey = ((mng_chrmp)pChunk)->iBluey;
|
|
2677 |
}
|
|
2678 |
/* create an animation object */
|
|
2679 |
return mng_create_ani_chrm (pData, pChunk);
|
|
2680 |
}
|
|
2681 |
}
|
|
2682 |
#endif /* MNG_SUPPORT_DISPLAY */
|
|
2683 |
|
|
2684 |
return MNG_NOERROR; /* done */
|
|
2685 |
}
|
|
2686 |
#endif
|
|
2687 |
|
|
2688 |
/* ************************************************************************** */
|
|
2689 |
|
|
2690 |
MNG_C_SPECIALFUNC (mng_special_srgb)
|
|
2691 |
{
|
|
2692 |
#ifdef MNG_INCLUDE_JNG
|
|
2693 |
if ((pData->bHasIHDR) || (pData->bHasBASI) || (pData->bHasDHDR) || (pData->bHasJHDR))
|
|
2694 |
#else
|
|
2695 |
if ((pData->bHasIHDR) || (pData->bHasBASI) || (pData->bHasDHDR))
|
|
2696 |
#endif
|
|
2697 |
pData->bHasSRGB = MNG_TRUE; /* indicate we've got it */
|
|
2698 |
else
|
|
2699 |
pData->bHasglobalSRGB = (mng_bool)!((mng_srgbp)pChunk)->bEmpty;
|
|
2700 |
|
|
2701 |
#ifdef MNG_SUPPORT_DISPLAY
|
|
2702 |
#ifdef MNG_INCLUDE_JNG
|
|
2703 |
if ((pData->bHasIHDR) || (pData->bHasBASI) || (pData->bHasDHDR) || (pData->bHasJHDR))
|
|
2704 |
#else
|
|
2705 |
if ((pData->bHasIHDR) || (pData->bHasBASI) || (pData->bHasDHDR))
|
|
2706 |
#endif
|
|
2707 |
{
|
|
2708 |
mng_imagep pImage;
|
|
2709 |
|
|
2710 |
#ifndef MNG_NO_DELTA_PNG
|
|
2711 |
if (pData->bHasDHDR) /* update delta image ? */
|
|
2712 |
pImage = (mng_imagep)pData->pObjzero;
|
|
2713 |
else
|
|
2714 |
#endif
|
|
2715 |
{
|
|
2716 |
pImage = (mng_imagep)pData->pCurrentobj;
|
|
2717 |
if (!pImage) /* no object then dump it in obj 0 */
|
|
2718 |
pImage = (mng_imagep)pData->pObjzero;
|
|
2719 |
}
|
|
2720 |
/* store for color-processing routines */
|
|
2721 |
pImage->pImgbuf->iRenderingintent = ((mng_srgbp)pChunk)->iRenderingintent;
|
|
2722 |
pImage->pImgbuf->bHasSRGB = MNG_TRUE;
|
|
2723 |
}
|
|
2724 |
else
|
|
2725 |
{ /* store as global */
|
|
2726 |
if (!((mng_srgbp)pChunk)->bEmpty)
|
|
2727 |
pData->iGlobalRendintent = ((mng_srgbp)pChunk)->iRenderingintent;
|
|
2728 |
/* create an animation object */
|
|
2729 |
return mng_create_ani_srgb (pData, pChunk);
|
|
2730 |
}
|
|
2731 |
#endif /* MNG_SUPPORT_DISPLAY */
|
|
2732 |
|
|
2733 |
return MNG_NOERROR; /* done */
|
|
2734 |
}
|
|
2735 |
|
|
2736 |
/* ************************************************************************** */
|
|
2737 |
|
|
2738 |
#ifndef MNG_SKIPCHUNK_iCCP
|
|
2739 |
MNG_C_SPECIALFUNC (mng_special_iccp)
|
|
2740 |
{
|
|
2741 |
mng_retcode iRetcode;
|
|
2742 |
mng_chunk_headerp pDummy;
|
|
2743 |
|
|
2744 |
#ifdef MNG_CHECK_BAD_ICCP /* Check for bad iCCP chunk */
|
|
2745 |
if (!strncmp (((mng_iccpp)pChunk)->zName, "Photoshop ICC profile", 21))
|
|
2746 |
{
|
|
2747 |
if (((mng_iccpp)pChunk)->iProfilesize == 2615) /* is it the sRGB profile ? */
|
|
2748 |
{
|
|
2749 |
mng_chunk_header chunk_srgb;
|
|
2750 |
mng_get_chunkheader (MNG_UINT_sRGB, &chunk_srgb);
|
|
2751 |
/* pretend it's an sRGB chunk then ! */
|
|
2752 |
iRetcode = mng_read_general (pData, &chunk_srgb, 1, (mng_ptr)"0", &pDummy);
|
|
2753 |
if (iRetcode) /* on error bail out */
|
|
2754 |
return iRetcode;
|
|
2755 |
|
|
2756 |
pDummy->fCleanup (pData, pDummy);
|
|
2757 |
}
|
|
2758 |
}
|
|
2759 |
else
|
|
2760 |
{
|
|
2761 |
#endif /* MNG_CHECK_BAD_ICCP */
|
|
2762 |
|
|
2763 |
#ifdef MNG_INCLUDE_JNG
|
|
2764 |
if ((pData->bHasIHDR) || (pData->bHasBASI) || (pData->bHasDHDR) || (pData->bHasJHDR))
|
|
2765 |
#else
|
|
2766 |
if ((pData->bHasIHDR) || (pData->bHasBASI) || (pData->bHasDHDR))
|
|
2767 |
#endif
|
|
2768 |
pData->bHasICCP = MNG_TRUE; /* indicate we've got it */
|
|
2769 |
else
|
|
2770 |
pData->bHasglobalICCP = (mng_bool)!((mng_iccpp)pChunk)->bEmpty;
|
|
2771 |
|
|
2772 |
#ifdef MNG_SUPPORT_DISPLAY
|
|
2773 |
#ifdef MNG_INCLUDE_JNG
|
|
2774 |
if ((pData->bHasIHDR) || (pData->bHasBASI) || (pData->bHasDHDR) || (pData->bHasJHDR))
|
|
2775 |
#else
|
|
2776 |
if ((pData->bHasIHDR) || (pData->bHasBASI) || (pData->bHasDHDR))
|
|
2777 |
#endif
|
|
2778 |
{
|
|
2779 |
mng_imagep pImage;
|
|
2780 |
|
|
2781 |
#ifndef MNG_NO_DELTA_PNG
|
|
2782 |
if (pData->bHasDHDR) /* update delta image ? */
|
|
2783 |
{ /* store in object 0 ! */
|
|
2784 |
pImage = (mng_imagep)pData->pObjzero;
|
|
2785 |
|
|
2786 |
if (pImage->pImgbuf->pProfile) /* profile existed ? */
|
|
2787 |
MNG_FREEX (pData, pImage->pImgbuf->pProfile, pImage->pImgbuf->iProfilesize);
|
|
2788 |
/* allocate a buffer & copy it */
|
|
2789 |
MNG_ALLOC (pData, pImage->pImgbuf->pProfile, ((mng_iccpp)pChunk)->iProfilesize);
|
|
2790 |
MNG_COPY (pImage->pImgbuf->pProfile, ((mng_iccpp)pChunk)->pProfile, ((mng_iccpp)pChunk)->iProfilesize);
|
|
2791 |
/* store its length as well */
|
|
2792 |
pImage->pImgbuf->iProfilesize = ((mng_iccpp)pChunk)->iProfilesize;
|
|
2793 |
pImage->pImgbuf->bHasICCP = MNG_TRUE;
|
|
2794 |
}
|
|
2795 |
else
|
|
2796 |
#endif
|
|
2797 |
{
|
|
2798 |
pImage = (mng_imagep)pData->pCurrentobj;
|
|
2799 |
|
|
2800 |
if (!pImage) /* no object then dump it in obj 0 */
|
|
2801 |
pImage = (mng_imagep)pData->pObjzero;
|
|
2802 |
|
|
2803 |
if (pImage->pImgbuf->pProfile) /* profile existed ? */
|
|
2804 |
MNG_FREEX (pData, pImage->pImgbuf->pProfile, pImage->pImgbuf->iProfilesize);
|
|
2805 |
/* allocate a buffer & copy it */
|
|
2806 |
MNG_ALLOC (pData, pImage->pImgbuf->pProfile, ((mng_iccpp)pChunk)->iProfilesize);
|
|
2807 |
MNG_COPY (pImage->pImgbuf->pProfile, ((mng_iccpp)pChunk)->pProfile, ((mng_iccpp)pChunk)->iProfilesize);
|
|
2808 |
/* store its length as well */
|
|
2809 |
pImage->pImgbuf->iProfilesize = ((mng_iccpp)pChunk)->iProfilesize;
|
|
2810 |
pImage->pImgbuf->bHasICCP = MNG_TRUE;
|
|
2811 |
}
|
|
2812 |
}
|
|
2813 |
else
|
|
2814 |
{ /* store as global */
|
|
2815 |
if (pData->pGlobalProfile) /* did we have a global profile ? */
|
|
2816 |
MNG_FREEX (pData, pData->pGlobalProfile, pData->iGlobalProfilesize);
|
|
2817 |
|
|
2818 |
if (((mng_iccpp)pChunk)->bEmpty) /* empty chunk ? */
|
|
2819 |
{
|
|
2820 |
pData->iGlobalProfilesize = 0; /* reset to null */
|
|
2821 |
pData->pGlobalProfile = MNG_NULL;
|
|
2822 |
}
|
|
2823 |
else
|
|
2824 |
{ /* allocate a global buffer & copy it */
|
|
2825 |
MNG_ALLOC (pData, pData->pGlobalProfile, ((mng_iccpp)pChunk)->iProfilesize);
|
|
2826 |
MNG_COPY (pData->pGlobalProfile, ((mng_iccpp)pChunk)->pProfile, ((mng_iccpp)pChunk)->iProfilesize);
|
|
2827 |
/* store its length as well */
|
|
2828 |
pData->iGlobalProfilesize = ((mng_iccpp)pChunk)->iProfilesize;
|
|
2829 |
}
|
|
2830 |
/* create an animation object */
|
|
2831 |
return mng_create_ani_iccp (pData, pChunk);
|
|
2832 |
}
|
|
2833 |
#endif /* MNG_SUPPORT_DISPLAY */
|
|
2834 |
|
|
2835 |
#ifdef MNG_CHECK_BAD_ICCP
|
|
2836 |
}
|
|
2837 |
#endif
|
|
2838 |
|
|
2839 |
return MNG_NOERROR; /* done */
|
|
2840 |
}
|
|
2841 |
#endif
|
|
2842 |
|
|
2843 |
/* ************************************************************************** */
|
|
2844 |
|
|
2845 |
#ifndef MNG_SKIPCHUNK_tEXt
|
|
2846 |
MNG_C_SPECIALFUNC (mng_special_text)
|
|
2847 |
{
|
|
2848 |
if (pData->fProcesstext) /* inform the application ? */
|
|
2849 |
{
|
|
2850 |
mng_bool bOke = pData->fProcesstext ((mng_handle)pData, MNG_TYPE_TEXT,
|
|
2851 |
((mng_textp)pChunk)->zKeyword,
|
|
2852 |
((mng_textp)pChunk)->zText, 0, 0);
|
|
2853 |
if (!bOke)
|
|
2854 |
MNG_ERROR (pData, MNG_APPMISCERROR);
|
|
2855 |
}
|
|
2856 |
|
|
2857 |
return MNG_NOERROR; /* done */
|
|
2858 |
}
|
|
2859 |
#endif
|
|
2860 |
|
|
2861 |
/* ************************************************************************** */
|
|
2862 |
|
|
2863 |
#ifndef MNG_SKIPCHUNK_zTXt
|
|
2864 |
MNG_C_SPECIALFUNC (mng_special_ztxt)
|
|
2865 |
{
|
|
2866 |
if (pData->fProcesstext) /* inform the application ? */
|
|
2867 |
{
|
|
2868 |
mng_bool bOke = pData->fProcesstext ((mng_handle)pData, MNG_TYPE_ZTXT,
|
|
2869 |
((mng_ztxtp)pChunk)->zKeyword,
|
|
2870 |
((mng_ztxtp)pChunk)->zText, 0, 0);
|
|
2871 |
if (!bOke)
|
|
2872 |
MNG_ERROR (pData, MNG_APPMISCERROR);
|
|
2873 |
}
|
|
2874 |
|
|
2875 |
return MNG_NOERROR; /* done */
|
|
2876 |
}
|
|
2877 |
#endif
|
|
2878 |
|
|
2879 |
/* ************************************************************************** */
|
|
2880 |
|
|
2881 |
#ifndef MNG_SKIPCHUNK_iTXt
|
|
2882 |
MNG_F_SPECIALFUNC (mng_deflate_itxt)
|
|
2883 |
{
|
|
2884 |
mng_itxtp pITXT = (mng_itxtp)pChunk;
|
|
2885 |
mng_uint32 iBufsize = 0;
|
|
2886 |
mng_uint8p pBuf = 0;
|
|
2887 |
mng_uint32 iTextlen = 0;
|
|
2888 |
|
|
2889 |
if (pITXT->iCompressionflag) /* decompress the text ? */
|
|
2890 |
{
|
|
2891 |
mng_retcode iRetcode = mng_inflate_buffer (pData, *ppRawdata, *piRawlen,
|
|
2892 |
&pBuf, &iBufsize, &iTextlen);
|
|
2893 |
|
|
2894 |
if (iRetcode) /* on error bail out */
|
|
2895 |
{ /* don't forget to drop the temp buffer */
|
|
2896 |
MNG_FREEX (pData, pBuf, iBufsize);
|
|
2897 |
return iRetcode;
|
|
2898 |
}
|
|
2899 |
|
|
2900 |
MNG_ALLOC (pData, pITXT->zText, iTextlen+1);
|
|
2901 |
MNG_COPY (pITXT->zText, pBuf, iTextlen);
|
|
2902 |
|
|
2903 |
pITXT->iTextsize = iTextlen;
|
|
2904 |
|
|
2905 |
MNG_FREEX (pData, pBuf, iBufsize);
|
|
2906 |
|
|
2907 |
} else {
|
|
2908 |
|
|
2909 |
MNG_ALLOC (pData, pITXT->zText, (*piRawlen)+1);
|
|
2910 |
MNG_COPY (pITXT->zText, *ppRawdata, *piRawlen);
|
|
2911 |
|
|
2912 |
pITXT->iTextsize = *piRawlen;
|
|
2913 |
}
|
|
2914 |
|
|
2915 |
*piRawlen = 0;
|
|
2916 |
|
|
2917 |
return MNG_NOERROR;
|
|
2918 |
}
|
|
2919 |
#endif
|
|
2920 |
|
|
2921 |
/* ************************************************************************** */
|
|
2922 |
|
|
2923 |
#ifndef MNG_SKIPCHUNK_iTXt
|
|
2924 |
MNG_C_SPECIALFUNC (mng_special_itxt)
|
|
2925 |
{
|
|
2926 |
if (pData->fProcesstext) /* inform the application ? */
|
|
2927 |
{
|
|
2928 |
mng_bool bOke = pData->fProcesstext ((mng_handle)pData, MNG_TYPE_ITXT,
|
|
2929 |
((mng_itxtp)pChunk)->zKeyword,
|
|
2930 |
((mng_itxtp)pChunk)->zText,
|
|
2931 |
((mng_itxtp)pChunk)->zLanguage,
|
|
2932 |
((mng_itxtp)pChunk)->zTranslation);
|
|
2933 |
if (!bOke)
|
|
2934 |
MNG_ERROR (pData, MNG_APPMISCERROR);
|
|
2935 |
}
|
|
2936 |
|
|
2937 |
return MNG_NOERROR; /* done */
|
|
2938 |
}
|
|
2939 |
#endif
|
|
2940 |
|
|
2941 |
/* ************************************************************************** */
|
|
2942 |
|
|
2943 |
#ifndef MNG_SKIPCHUNK_bKGD
|
|
2944 |
MNG_C_SPECIALFUNC (mng_special_bkgd)
|
|
2945 |
{
|
|
2946 |
#ifdef MNG_SUPPORT_DISPLAY
|
|
2947 |
mng_imagep pImage = (mng_imagep)pData->pCurrentobj;
|
|
2948 |
mng_imagedatap pBuf;
|
|
2949 |
#endif
|
|
2950 |
|
|
2951 |
#ifdef MNG_INCLUDE_JNG
|
|
2952 |
if ((pData->bHasIHDR) || (pData->bHasBASI) || (pData->bHasDHDR) || (pData->bHasJHDR))
|
|
2953 |
#else
|
|
2954 |
if ((pData->bHasIHDR) || (pData->bHasBASI) || (pData->bHasDHDR))
|
|
2955 |
#endif
|
|
2956 |
pData->bHasBKGD = MNG_TRUE; /* indicate bKGD available */
|
|
2957 |
else
|
|
2958 |
pData->bHasglobalBKGD = (mng_bool)!(((mng_bkgdp)pChunk)->bEmpty);
|
|
2959 |
|
|
2960 |
#ifdef MNG_SUPPORT_DISPLAY
|
|
2961 |
if (!pImage) /* if no object dump it in obj 0 */
|
|
2962 |
pImage = (mng_imagep)pData->pObjzero;
|
|
2963 |
pBuf = pImage->pImgbuf; /* address object buffer */
|
|
2964 |
|
|
2965 |
#ifdef MNG_INCLUDE_JNG
|
|
2966 |
if (pData->bHasJHDR)
|
|
2967 |
{
|
|
2968 |
pBuf->bHasBKGD = MNG_TRUE; /* tell the object it's got bKGD now */
|
|
2969 |
|
|
2970 |
switch (pData->iJHDRcolortype) /* store fields for future reference */
|
|
2971 |
{
|
|
2972 |
case 8 : ; /* gray */
|
|
2973 |
case 12 : { /* graya */
|
|
2974 |
pBuf->iBKGDgray = ((mng_bkgdp)pChunk)->iGray;
|
|
2975 |
break;
|
|
2976 |
}
|
|
2977 |
case 10 : ; /* rgb */
|
|
2978 |
case 14 : { /* rgba */
|
|
2979 |
pBuf->iBKGDred = ((mng_bkgdp)pChunk)->iRed;
|
|
2980 |
pBuf->iBKGDgreen = ((mng_bkgdp)pChunk)->iGreen;
|
|
2981 |
pBuf->iBKGDblue = ((mng_bkgdp)pChunk)->iBlue;
|
|
2982 |
break;
|
|
2983 |
}
|
|
2984 |
}
|
|
2985 |
}
|
|
2986 |
else
|
|
2987 |
#endif /* MNG_INCLUDE_JNG */
|
|
2988 |
if ((pData->bHasIHDR) || (pData->bHasBASI) || (pData->bHasDHDR))
|
|
2989 |
{
|
|
2990 |
pBuf->bHasBKGD = MNG_TRUE; /* tell the object it's got bKGD now */
|
|
2991 |
|
|
2992 |
switch (pData->iColortype) /* store fields for future reference */
|
|
2993 |
{
|
|
2994 |
case 0 : ; /* gray */
|
|
2995 |
case 4 : { /* graya */
|
|
2996 |
pBuf->iBKGDgray = ((mng_bkgdp)pChunk)->iGray;
|
|
2997 |
break;
|
|
2998 |
}
|
|
2999 |
case 2 : ; /* rgb */
|
|
3000 |
case 6 : { /* rgba */
|
|
3001 |
pBuf->iBKGDred = ((mng_bkgdp)pChunk)->iRed;
|
|
3002 |
pBuf->iBKGDgreen = ((mng_bkgdp)pChunk)->iGreen;
|
|
3003 |
pBuf->iBKGDblue = ((mng_bkgdp)pChunk)->iBlue;
|
|
3004 |
break;
|
|
3005 |
}
|
|
3006 |
case 3 : { /* indexed */
|
|
3007 |
pBuf->iBKGDindex = ((mng_bkgdp)pChunk)->iIndex;
|
|
3008 |
break;
|
|
3009 |
}
|
|
3010 |
}
|
|
3011 |
}
|
|
3012 |
else /* store as global */
|
|
3013 |
{
|
|
3014 |
if (!(((mng_bkgdp)pChunk)->bEmpty))
|
|
3015 |
{
|
|
3016 |
pData->iGlobalBKGDred = ((mng_bkgdp)pChunk)->iRed;
|
|
3017 |
pData->iGlobalBKGDgreen = ((mng_bkgdp)pChunk)->iGreen;
|
|
3018 |
pData->iGlobalBKGDblue = ((mng_bkgdp)pChunk)->iBlue;
|
|
3019 |
}
|
|
3020 |
/* create an animation object */
|
|
3021 |
return mng_create_ani_bkgd (pData);
|
|
3022 |
}
|
|
3023 |
#endif /* MNG_SUPPORT_DISPLAY */
|
|
3024 |
|
|
3025 |
return MNG_NOERROR; /* done */
|
|
3026 |
}
|
|
3027 |
#endif
|
|
3028 |
|
|
3029 |
/* ************************************************************************** */
|
|
3030 |
|
|
3031 |
#ifndef MNG_SKIPCHUNK_pHYs
|
|
3032 |
MNG_C_SPECIALFUNC (mng_special_phys)
|
|
3033 |
{
|
|
3034 |
#ifdef MNG_SUPPORT_DISPLAY
|
|
3035 |
{
|
|
3036 |
|
|
3037 |
|
|
3038 |
/* TODO: something !!! */
|
|
3039 |
|
|
3040 |
|
|
3041 |
}
|
|
3042 |
#endif /* MNG_SUPPORT_DISPLAY */
|
|
3043 |
|
|
3044 |
return MNG_NOERROR; /* done */
|
|
3045 |
}
|
|
3046 |
#endif
|
|
3047 |
|
|
3048 |
/* ************************************************************************** */
|
|
3049 |
|
|
3050 |
#ifndef MNG_SKIPCHUNK_sBIT
|
|
3051 |
MNG_C_SPECIALFUNC (mng_special_sbit)
|
|
3052 |
{
|
|
3053 |
#ifdef MNG_SUPPORT_DISPLAY
|
|
3054 |
{
|
|
3055 |
|
|
3056 |
|
|
3057 |
/* TODO: something !!! */
|
|
3058 |
|
|
3059 |
|
|
3060 |
}
|
|
3061 |
#endif /* MNG_SUPPORT_DISPLAY */
|
|
3062 |
|
|
3063 |
return MNG_NOERROR; /* done */
|
|
3064 |
}
|
|
3065 |
#endif
|
|
3066 |
|
|
3067 |
/* ************************************************************************** */
|
|
3068 |
|
|
3069 |
#ifndef MNG_SKIPCHUNK_sPLT
|
|
3070 |
MNG_F_SPECIALFUNC (mng_splt_entries)
|
|
3071 |
{
|
|
3072 |
mng_spltp pSPLT = (mng_spltp)pChunk;
|
|
3073 |
mng_uint32 iRawlen = *piRawlen;
|
|
3074 |
mng_uint8p pRawdata = *ppRawdata;
|
|
3075 |
|
|
3076 |
if ((pSPLT->iSampledepth != MNG_BITDEPTH_8 ) &&
|
|
3077 |
(pSPLT->iSampledepth != MNG_BITDEPTH_16) )
|
|
3078 |
MNG_ERROR (pData, MNG_INVSAMPLEDEPTH);
|
|
3079 |
/* check remaining length */
|
|
3080 |
if ( ((pSPLT->iSampledepth == MNG_BITDEPTH_8 ) && (iRawlen % 6 != 0)) ||
|
|
3081 |
((pSPLT->iSampledepth == MNG_BITDEPTH_16) && (iRawlen % 10 != 0)) )
|
|
3082 |
MNG_ERROR (pData, MNG_INVALIDLENGTH);
|
|
3083 |
|
|
3084 |
if (pSPLT->iSampledepth == MNG_BITDEPTH_8)
|
|
3085 |
pSPLT->iEntrycount = iRawlen / 6;
|
|
3086 |
else
|
|
3087 |
pSPLT->iEntrycount = iRawlen / 10;
|
|
3088 |
|
|
3089 |
if (iRawlen)
|
|
3090 |
{
|
|
3091 |
MNG_ALLOC (pData, pSPLT->pEntries, iRawlen);
|
|
3092 |
MNG_COPY (pSPLT->pEntries, pRawdata, iRawlen);
|
|
3093 |
}
|
|
3094 |
|
|
3095 |
*piRawlen = 0;
|
|
3096 |
|
|
3097 |
return MNG_NOERROR;
|
|
3098 |
}
|
|
3099 |
#endif
|
|
3100 |
|
|
3101 |
/* ************************************************************************** */
|
|
3102 |
|
|
3103 |
#ifndef MNG_SKIPCHUNK_sPLT
|
|
3104 |
MNG_C_SPECIALFUNC (mng_special_splt)
|
|
3105 |
{
|
|
3106 |
#ifdef MNG_SUPPORT_DISPLAY
|
|
3107 |
{
|
|
3108 |
|
|
3109 |
|
|
3110 |
/* TODO: something !!! */
|
|
3111 |
|
|
3112 |
|
|
3113 |
}
|
|
3114 |
#endif /* MNG_SUPPORT_DISPLAY */
|
|
3115 |
|
|
3116 |
return MNG_NOERROR; /* done */
|
|
3117 |
}
|
|
3118 |
#endif
|
|
3119 |
|
|
3120 |
/* ************************************************************************** */
|
|
3121 |
|
|
3122 |
#ifndef MNG_SKIPCHUNK_hIST
|
|
3123 |
MNG_F_SPECIALFUNC (mng_hist_entries)
|
|
3124 |
{
|
|
3125 |
mng_histp pHIST = (mng_histp)pChunk;
|
|
3126 |
mng_uint32 iRawlen = *piRawlen;
|
|
3127 |
mng_uint8p pRawdata = *ppRawdata;
|
|
3128 |
mng_uint32 iX;
|
|
3129 |
|
|
3130 |
if ( ((iRawlen & 0x01) != 0) || ((iRawlen >> 1) != pData->iPLTEcount) )
|
|
3131 |
MNG_ERROR (pData, MNG_INVALIDLENGTH);
|
|
3132 |
|
|
3133 |
pHIST->iEntrycount = iRawlen >> 1;
|
|
3134 |
|
|
3135 |
for (iX = 0; iX < pHIST->iEntrycount; iX++)
|
|
3136 |
{
|
|
3137 |
pHIST->aEntries[iX] = mng_get_uint16 (pRawdata);
|
|
3138 |
pRawdata += 2;
|
|
3139 |
}
|
|
3140 |
|
|
3141 |
*piRawlen = 0;
|
|
3142 |
|
|
3143 |
return MNG_NOERROR;
|
|
3144 |
}
|
|
3145 |
#endif
|
|
3146 |
|
|
3147 |
/* ************************************************************************** */
|
|
3148 |
|
|
3149 |
#ifndef MNG_SKIPCHUNK_hIST
|
|
3150 |
MNG_C_SPECIALFUNC (mng_special_hist)
|
|
3151 |
{
|
|
3152 |
#ifdef MNG_SUPPORT_DISPLAY
|
|
3153 |
{
|
|
3154 |
|
|
3155 |
|
|
3156 |
/* TODO: something !!! */
|
|
3157 |
|
|
3158 |
|
|
3159 |
}
|
|
3160 |
#endif /* MNG_SUPPORT_DISPLAY */
|
|
3161 |
|
|
3162 |
return MNG_NOERROR; /* done */
|
|
3163 |
}
|
|
3164 |
#endif
|
|
3165 |
|
|
3166 |
/* ************************************************************************** */
|
|
3167 |
|
|
3168 |
#ifndef MNG_SKIPCHUNK_tIME
|
|
3169 |
MNG_C_SPECIALFUNC (mng_special_time)
|
|
3170 |
{
|
|
3171 |
/* if (pData->fProcesstime) */ /* inform the application ? */
|
|
3172 |
/* {
|
|
3173 |
|
|
3174 |
pData->fProcesstime ((mng_handle)pData, );
|
|
3175 |
} */
|
|
3176 |
|
|
3177 |
return MNG_NOERROR; /* done */
|
|
3178 |
}
|
|
3179 |
#endif
|
|
3180 |
|
|
3181 |
/* ************************************************************************** */
|
|
3182 |
/* ************************************************************************** */
|
|
3183 |
/* JNG chunks */
|
|
3184 |
|
|
3185 |
#ifdef MNG_INCLUDE_JNG
|
|
3186 |
MNG_C_SPECIALFUNC (mng_special_jhdr)
|
|
3187 |
{
|
|
3188 |
if ((pData->eSigtype == mng_it_jng) && (pData->iChunkseq > 1))
|
|
3189 |
MNG_ERROR (pData, MNG_SEQUENCEERROR);
|
|
3190 |
/* inside a JHDR-IEND block now */
|
|
3191 |
pData->bHasJHDR = MNG_TRUE;
|
|
3192 |
/* and store interesting fields */
|
|
3193 |
pData->iDatawidth = ((mng_jhdrp)pChunk)->iWidth;
|
|
3194 |
pData->iDataheight = ((mng_jhdrp)pChunk)->iHeight;
|
|
3195 |
pData->iJHDRcolortype = ((mng_jhdrp)pChunk)->iColortype;
|
|
3196 |
pData->iJHDRimgbitdepth = ((mng_jhdrp)pChunk)->iImagesampledepth;
|
|
3197 |
pData->iJHDRimgcompression = ((mng_jhdrp)pChunk)->iImagecompression;
|
|
3198 |
pData->iJHDRimginterlace = ((mng_jhdrp)pChunk)->iImageinterlace;
|
|
3199 |
pData->iJHDRalphabitdepth = ((mng_jhdrp)pChunk)->iAlphasampledepth;
|
|
3200 |
pData->iJHDRalphacompression = ((mng_jhdrp)pChunk)->iAlphacompression;
|
|
3201 |
pData->iJHDRalphafilter = ((mng_jhdrp)pChunk)->iAlphafilter;
|
|
3202 |
pData->iJHDRalphainterlace = ((mng_jhdrp)pChunk)->iAlphainterlace;
|
|
3203 |
|
|
3204 |
#if defined(MNG_NO_1_2_4BIT_SUPPORT) || defined(MNG_NO_16BIT_SUPPORT)
|
|
3205 |
pData->iPNGmult = 1;
|
|
3206 |
pData->iPNGdepth = pData->iJHDRalphabitdepth;
|
|
3207 |
#endif
|
|
3208 |
|
|
3209 |
#ifdef MNG_NO_1_2_4BIT_SUPPORT
|
|
3210 |
if (pData->iJHDRalphabitdepth < 8)
|
|
3211 |
pData->iJHDRalphabitdepth = 8;
|
|
3212 |
#endif
|
|
3213 |
|
|
3214 |
#ifdef MNG_NO_16BIT_SUPPORT
|
|
3215 |
if (pData->iJHDRalphabitdepth > 8)
|
|
3216 |
{
|
|
3217 |
pData->iPNGmult = 2;
|
|
3218 |
pData->iJHDRalphabitdepth = 8;
|
|
3219 |
}
|
|
3220 |
#endif
|
|
3221 |
/* parameter validity checks */
|
|
3222 |
if ((pData->iJHDRcolortype != MNG_COLORTYPE_JPEGGRAY ) &&
|
|
3223 |
(pData->iJHDRcolortype != MNG_COLORTYPE_JPEGCOLOR ) &&
|
|
3224 |
(pData->iJHDRcolortype != MNG_COLORTYPE_JPEGGRAYA ) &&
|
|
3225 |
(pData->iJHDRcolortype != MNG_COLORTYPE_JPEGCOLORA) )
|
|
3226 |
MNG_ERROR (pData, MNG_INVALIDCOLORTYPE);
|
|
3227 |
|
|
3228 |
if ((pData->iJHDRimgbitdepth != MNG_BITDEPTH_JPEG8 ) &&
|
|
3229 |
(pData->iJHDRimgbitdepth != MNG_BITDEPTH_JPEG12 ) &&
|
|
3230 |
(pData->iJHDRimgbitdepth != MNG_BITDEPTH_JPEG8AND12) )
|
|
3231 |
MNG_ERROR (pData, MNG_INVALIDBITDEPTH);
|
|
3232 |
|
|
3233 |
if ((pData->iJHDRcolortype == MNG_COLORTYPE_JPEGGRAYA ) ||
|
|
3234 |
(pData->iJHDRcolortype == MNG_COLORTYPE_JPEGCOLORA) )
|
|
3235 |
{
|
|
3236 |
if ((pData->iJHDRalphabitdepth != MNG_BITDEPTH_8 )
|
|
3237 |
#ifndef MNG_NO_1_2_4BIT_SUPPORT
|
|
3238 |
&& (pData->iJHDRalphabitdepth != MNG_BITDEPTH_1 ) &&
|
|
3239 |
(pData->iJHDRalphabitdepth != MNG_BITDEPTH_2 ) &&
|
|
3240 |
(pData->iJHDRalphabitdepth != MNG_BITDEPTH_4 )
|
|
3241 |
#endif
|
|
3242 |
#ifndef MNG_NO_16BIT_SUPPORT
|
|
3243 |
&& (pData->iJHDRalphabitdepth != MNG_BITDEPTH_16)
|
|
3244 |
#endif
|
|
3245 |
)
|
|
3246 |
MNG_ERROR (pData, MNG_INVALIDBITDEPTH);
|
|
3247 |
|
|
3248 |
if ((pData->iJHDRalphacompression != MNG_COMPRESSION_DEFLATE ) &&
|
|
3249 |
(pData->iJHDRalphacompression != MNG_COMPRESSION_BASELINEJPEG) )
|
|
3250 |
MNG_ERROR (pData, MNG_INVALIDCOMPRESS);
|
|
3251 |
|
|
3252 |
if ((pData->iJHDRalphacompression == MNG_COMPRESSION_BASELINEJPEG) &&
|
|
3253 |
(pData->iJHDRalphabitdepth != MNG_BITDEPTH_8 ) )
|
|
3254 |
MNG_ERROR (pData, MNG_INVALIDBITDEPTH);
|
|
3255 |
|
|
3256 |
#if defined(FILTER192) || defined(FILTER193)
|
|
3257 |
if ((pData->iJHDRalphafilter != MNG_FILTER_ADAPTIVE ) &&
|
|
3258 |
#if defined(FILTER192) && defined(FILTER193)
|
|
3259 |
(pData->iJHDRalphafilter != MNG_FILTER_DIFFERING) &&
|
|
3260 |
(pData->iJHDRalphafilter != MNG_FILTER_NOFILTER ) )
|
|
3261 |
#else
|
|
3262 |
#ifdef FILTER192
|
|
3263 |
(pData->iJHDRalphafilter != MNG_FILTER_DIFFERING) )
|
|
3264 |
#else
|
|
3265 |
(pData->iJHDRalphafilter != MNG_FILTER_NOFILTER ) )
|
|
3266 |
#endif
|
|
3267 |
#endif
|
|
3268 |
MNG_ERROR (pData, MNG_INVALIDFILTER);
|
|
3269 |
#else
|
|
3270 |
if (pData->iJHDRalphafilter)
|
|
3271 |
MNG_ERROR (pData, MNG_INVALIDFILTER);
|
|
3272 |
#endif
|
|
3273 |
|
|
3274 |
}
|
|
3275 |
else
|
|
3276 |
{
|
|
3277 |
if (pData->iJHDRalphabitdepth)
|
|
3278 |
MNG_ERROR (pData, MNG_INVALIDBITDEPTH);
|
|
3279 |
if (pData->iJHDRalphacompression)
|
|
3280 |
MNG_ERROR (pData, MNG_INVALIDCOMPRESS);
|
|
3281 |
if (pData->iJHDRalphafilter)
|
|
3282 |
MNG_ERROR (pData, MNG_INVALIDFILTER);
|
|
3283 |
if (pData->iJHDRalphainterlace)
|
|
3284 |
MNG_ERROR (pData, MNG_INVALIDINTERLACE);
|
|
3285 |
}
|
|
3286 |
|
|
3287 |
if (!pData->bHasheader) /* first chunk ? */
|
|
3288 |
{
|
|
3289 |
pData->bHasheader = MNG_TRUE; /* we've got a header */
|
|
3290 |
pData->eImagetype = mng_it_jng; /* then this must be a JNG */
|
|
3291 |
pData->iWidth = ((mng_jhdrp)pChunk)->iWidth;
|
|
3292 |
pData->iHeight = ((mng_jhdrp)pChunk)->iHeight;
|
|
3293 |
/* predict alpha-depth ! */
|
|
3294 |
if ((pData->iJHDRcolortype == MNG_COLORTYPE_JPEGGRAYA ) ||
|
|
3295 |
(pData->iJHDRcolortype == MNG_COLORTYPE_JPEGCOLORA) )
|
|
3296 |
pData->iAlphadepth = pData->iJHDRalphabitdepth;
|
|
3297 |
else
|
|
3298 |
pData->iAlphadepth = 0;
|
|
3299 |
/* fits on maximum canvas ? */
|
|
3300 |
if ((pData->iWidth > pData->iMaxwidth) || (pData->iHeight > pData->iMaxheight))
|
|
3301 |
MNG_WARNING (pData, MNG_IMAGETOOLARGE);
|
|
3302 |
|
|
3303 |
if (pData->fProcessheader) /* inform the app ? */
|
|
3304 |
if (!pData->fProcessheader (((mng_handle)pData), pData->iWidth, pData->iHeight))
|
|
3305 |
MNG_ERROR (pData, MNG_APPMISCERROR);
|
|
3306 |
|
|
3307 |
}
|
|
3308 |
|
|
3309 |
pData->iColortype = 0; /* fake grayscale for other routines */
|
|
3310 |
pData->iImagelevel++; /* one level deeper */
|
|
3311 |
|
|
3312 |
#ifdef MNG_SUPPORT_DISPLAY
|
|
3313 |
{
|
|
3314 |
mng_retcode iRetcode = mng_process_display_jhdr (pData);
|
|
3315 |
if (iRetcode) /* on error bail out */
|
|
3316 |
return iRetcode;
|
|
3317 |
}
|
|
3318 |
#endif /* MNG_SUPPORT_DISPLAY */
|
|
3319 |
|
|
3320 |
#ifdef MNG_NO_16BIT_SUPPORT
|
|
3321 |
if (((mng_jhdrp)pChunk)->iAlphasampledepth > 8)
|
|
3322 |
((mng_jhdrp)pChunk)->iAlphasampledepth = 8;
|
|
3323 |
#endif
|
|
3324 |
|
|
3325 |
return MNG_NOERROR; /* done */
|
|
3326 |
}
|
|
3327 |
#endif /* MNG_INCLUDE_JNG */
|
|
3328 |
|
|
3329 |
/* ************************************************************************** */
|
|
3330 |
|
|
3331 |
#ifdef MNG_INCLUDE_JNG
|
|
3332 |
MNG_C_SPECIALFUNC (mng_special_jdaa)
|
|
3333 |
{
|
|
3334 |
if (pData->iJHDRalphacompression != MNG_COMPRESSION_BASELINEJPEG)
|
|
3335 |
MNG_ERROR (pData, MNG_SEQUENCEERROR);
|
|
3336 |
|
|
3337 |
pData->bHasJDAA = MNG_TRUE; /* got some JDAA now, don't we */
|
|
3338 |
return MNG_NOERROR;
|
|
3339 |
}
|
|
3340 |
#endif /* MNG_INCLUDE_JNG */
|
|
3341 |
|
|
3342 |
/* ************************************************************************** */
|
|
3343 |
|
|
3344 |
#ifdef MNG_INCLUDE_JNG
|
|
3345 |
MNG_C_SPECIALFUNC (mng_special_jdat)
|
|
3346 |
{
|
|
3347 |
pData->bHasJDAT = MNG_TRUE; /* got some JDAT now, don't we */
|
|
3348 |
return MNG_NOERROR;
|
|
3349 |
}
|
|
3350 |
#endif /* MNG_INCLUDE_JNG */
|
|
3351 |
|
|
3352 |
/* ************************************************************************** */
|
|
3353 |
|
|
3354 |
#ifdef MNG_INCLUDE_JNG
|
|
3355 |
MNG_C_SPECIALFUNC (mng_special_jsep)
|
|
3356 |
{
|
|
3357 |
pData->bHasJSEP = MNG_TRUE; /* indicate we've had the 8-/12-bit separator */
|
|
3358 |
return MNG_NOERROR;
|
|
3359 |
}
|
|
3360 |
#endif /* MNG_INCLUDE_JNG */
|
|
3361 |
|
|
3362 |
/* ************************************************************************** */
|
|
3363 |
/* ************************************************************************** */
|
|
3364 |
/* MNG chunks */
|
|
3365 |
|
|
3366 |
MNG_C_SPECIALFUNC (mng_special_mhdr)
|
|
3367 |
{
|
|
3368 |
if (pData->bHasheader) /* can only be the first chunk! */
|
|
3369 |
MNG_ERROR (pData, MNG_SEQUENCEERROR);
|
|
3370 |
|
|
3371 |
pData->bHasMHDR = MNG_TRUE; /* oh boy, a real MNG */
|
|
3372 |
pData->bHasheader = MNG_TRUE; /* we've got a header */
|
|
3373 |
pData->eImagetype = mng_it_mng; /* fill header fields */
|
|
3374 |
pData->iWidth = ((mng_mhdrp)pChunk)->iWidth;
|
|
3375 |
pData->iHeight = ((mng_mhdrp)pChunk)->iHeight;
|
|
3376 |
pData->iTicks = ((mng_mhdrp)pChunk)->iTicks;
|
|
3377 |
pData->iLayercount = ((mng_mhdrp)pChunk)->iLayercount;
|
|
3378 |
pData->iFramecount = ((mng_mhdrp)pChunk)->iFramecount;
|
|
3379 |
pData->iPlaytime = ((mng_mhdrp)pChunk)->iPlaytime;
|
|
3380 |
pData->iSimplicity = ((mng_mhdrp)pChunk)->iSimplicity;
|
|
3381 |
#ifndef MNG_NO_OLD_VERSIONS
|
|
3382 |
pData->bPreDraft48 = MNG_FALSE;
|
|
3383 |
#endif
|
|
3384 |
/* predict alpha-depth */
|
|
3385 |
if ((pData->iSimplicity & 0x00000001) == 0)
|
|
3386 |
#ifndef MNG_NO_16BIT_SUPPORT
|
|
3387 |
pData->iAlphadepth = 16; /* no indicators = assume the worst */
|
|
3388 |
#else
|
|
3389 |
pData->iAlphadepth = 8; /* anything else = assume the worst */
|
|
3390 |
#endif
|
|
3391 |
else
|
|
3392 |
if ((pData->iSimplicity & 0x00000008) == 0)
|
|
3393 |
pData->iAlphadepth = 0; /* no transparency at all */
|
|
3394 |
else
|
|
3395 |
if ((pData->iSimplicity & 0x00000140) == 0x00000040)
|
|
3396 |
pData->iAlphadepth = 1; /* no semi-transparency guaranteed */
|
|
3397 |
else
|
|
3398 |
#ifndef MNG_NO_16BIT_SUPPORT
|
|
3399 |
pData->iAlphadepth = 16; /* anything else = assume the worst */
|
|
3400 |
#else
|
|
3401 |
pData->iAlphadepth = 8; /* anything else = assume the worst */
|
|
3402 |
#endif
|
|
3403 |
|
|
3404 |
#ifdef MNG_INCLUDE_JNG /* can we handle the complexity ? */
|
|
3405 |
if (pData->iSimplicity & 0x0000FC00)
|
|
3406 |
#else
|
|
3407 |
if (pData->iSimplicity & 0x0000FC10)
|
|
3408 |
#endif
|
|
3409 |
MNG_ERROR (pData, MNG_MNGTOOCOMPLEX);
|
|
3410 |
/* fits on maximum canvas ? */
|
|
3411 |
if ((pData->iWidth > pData->iMaxwidth) || (pData->iHeight > pData->iMaxheight))
|
|
3412 |
MNG_WARNING (pData, MNG_IMAGETOOLARGE);
|
|
3413 |
|
|
3414 |
if (pData->fProcessheader) /* inform the app ? */
|
|
3415 |
if (!pData->fProcessheader (((mng_handle)pData), pData->iWidth, pData->iHeight))
|
|
3416 |
MNG_ERROR (pData, MNG_APPMISCERROR);
|
|
3417 |
|
|
3418 |
pData->iImagelevel++; /* one level deeper */
|
|
3419 |
|
|
3420 |
return MNG_NOERROR; /* done */
|
|
3421 |
}
|
|
3422 |
|
|
3423 |
/* ************************************************************************** */
|
|
3424 |
|
|
3425 |
MNG_C_SPECIALFUNC (mng_special_mend)
|
|
3426 |
{
|
|
3427 |
#ifdef MNG_SUPPORT_DISPLAY
|
|
3428 |
{ /* do something */
|
|
3429 |
mng_retcode iRetcode = mng_process_display_mend (pData);
|
|
3430 |
|
|
3431 |
if (iRetcode) /* on error bail out */
|
|
3432 |
return iRetcode;
|
|
3433 |
|
|
3434 |
if (!pData->iTotalframes) /* save totals */
|
|
3435 |
pData->iTotalframes = pData->iFrameseq;
|
|
3436 |
if (!pData->iTotallayers)
|
|
3437 |
pData->iTotallayers = pData->iLayerseq;
|
|
3438 |
if (!pData->iTotalplaytime)
|
|
3439 |
pData->iTotalplaytime = pData->iFrametime;
|
|
3440 |
}
|
|
3441 |
#endif /* MNG_SUPPORT_DISPLAY */
|
|
3442 |
|
|
3443 |
pData->bHasMHDR = MNG_FALSE; /* end of the line, bro! */
|
|
3444 |
|
|
3445 |
return MNG_NOERROR; /* done */
|
|
3446 |
}
|
|
3447 |
|
|
3448 |
/* ************************************************************************** */
|
|
3449 |
|
|
3450 |
#ifndef MNG_SKIPCHUNK_LOOP
|
|
3451 |
MNG_F_SPECIALFUNC (mng_debunk_loop)
|
|
3452 |
{
|
|
3453 |
mng_loopp pLOOP = (mng_loopp)pChunk;
|
|
3454 |
mng_uint32 iRawlen = *piRawlen;
|
|
3455 |
mng_uint8p pRawdata = *ppRawdata;
|
|
3456 |
|
|
3457 |
if (iRawlen >= 5) /* length checks */
|
|
3458 |
{
|
|
3459 |
if (iRawlen >= 6)
|
|
3460 |
{
|
|
3461 |
if ((iRawlen - 6) % 4 != 0)
|
|
3462 |
MNG_ERROR (pData, MNG_INVALIDLENGTH);
|
|
3463 |
}
|
|
3464 |
}
|
|
3465 |
else
|
|
3466 |
MNG_ERROR (pData, MNG_INVALIDLENGTH);
|
|
3467 |
|
|
3468 |
if (iRawlen >= 5) /* store the fields */
|
|
3469 |
{
|
|
3470 |
pLOOP->iLevel = *pRawdata;
|
|
3471 |
|
|
3472 |
#ifndef MNG_NO_OLD_VERSIONS
|
|
3473 |
if (pData->bPreDraft48)
|
|
3474 |
{
|
|
3475 |
pLOOP->iTermination = *(pRawdata+1);
|
|
3476 |
pLOOP->iRepeat = mng_get_uint32 (pRawdata+2);
|
|
3477 |
}
|
|
3478 |
else
|
|
3479 |
#endif
|
|
3480 |
{
|
|
3481 |
pLOOP->iRepeat = mng_get_uint32 (pRawdata+1);
|
|
3482 |
}
|
|
3483 |
|
|
3484 |
if (iRawlen >= 6)
|
|
3485 |
{
|
|
3486 |
#ifndef MNG_NO_OLD_VERSIONS
|
|
3487 |
if (!pData->bPreDraft48)
|
|
3488 |
#endif
|
|
3489 |
pLOOP->iTermination = *(pRawdata+5);
|
|
3490 |
|
|
3491 |
if (iRawlen >= 10)
|
|
3492 |
{
|
|
3493 |
pLOOP->iItermin = mng_get_uint32 (pRawdata+6);
|
|
3494 |
|
|
3495 |
#ifndef MNG_NO_LOOP_SIGNALS_SUPPORTED
|
|
3496 |
if (iRawlen >= 14)
|
|
3497 |
{
|
|
3498 |
pLOOP->iItermax = mng_get_uint32 (pRawdata+10);
|
|
3499 |
pLOOP->iCount = (iRawlen - 14) / 4;
|
|
3500 |
|
|
3501 |
if (pLOOP->iCount)
|
|
3502 |
{
|
|
3503 |
MNG_ALLOC (pData, pLOOP->pSignals, pLOOP->iCount << 2);
|
|
3504 |
|
|
3505 |
#ifndef MNG_BIGENDIAN_SUPPORTED
|
|
3506 |
{
|
|
3507 |
mng_uint32 iX;
|
|
3508 |
mng_uint8p pIn = pRawdata + 14;
|
|
3509 |
mng_uint32p pOut = (mng_uint32p)pLOOP->pSignals;
|
|
3510 |
|
|
3511 |
for (iX = 0; iX < pLOOP->iCount; iX++)
|
|
3512 |
{
|
|
3513 |
*pOut++ = mng_get_uint32 (pIn);
|
|
3514 |
pIn += 4;
|
|
3515 |
}
|
|
3516 |
}
|
|
3517 |
#else
|
|
3518 |
MNG_COPY (pLOOP->pSignals, pRawdata + 14, pLOOP->iCount << 2);
|
|
3519 |
#endif /* !MNG_BIGENDIAN_SUPPORTED */
|
|
3520 |
}
|
|
3521 |
}
|
|
3522 |
#endif
|
|
3523 |
}
|
|
3524 |
}
|
|
3525 |
}
|
|
3526 |
|
|
3527 |
*piRawlen = 0;
|
|
3528 |
|
|
3529 |
return MNG_NOERROR;
|
|
3530 |
}
|
|
3531 |
#endif
|
|
3532 |
|
|
3533 |
/* ************************************************************************** */
|
|
3534 |
|
|
3535 |
#ifndef MNG_SKIPCHUNK_LOOP
|
|
3536 |
MNG_C_SPECIALFUNC (mng_special_loop)
|
|
3537 |
{
|
|
3538 |
if (!pData->bCacheplayback) /* must store playback info to work!! */
|
|
3539 |
MNG_ERROR (pData, MNG_LOOPWITHCACHEOFF);
|
|
3540 |
|
|
3541 |
#ifdef MNG_SUPPORT_DISPLAY
|
|
3542 |
{
|
|
3543 |
mng_retcode iRetcode;
|
|
3544 |
|
|
3545 |
pData->bHasLOOP = MNG_TRUE; /* indicate we're inside a loop */
|
|
3546 |
/* create the LOOP ani-object */
|
|
3547 |
iRetcode = mng_create_ani_loop (pData, pChunk);
|
|
3548 |
if (iRetcode) /* on error bail out */
|
|
3549 |
return iRetcode;
|
|
3550 |
/* skip till matching ENDL if iteration=0 */
|
|
3551 |
if ((!pData->bSkipping) && (((mng_loopp)pChunk)->iRepeat == 0))
|
|
3552 |
pData->bSkipping = MNG_TRUE;
|
|
3553 |
}
|
|
3554 |
#endif /* MNG_SUPPORT_DISPLAY */
|
|
3555 |
|
|
3556 |
return MNG_NOERROR; /* done */
|
|
3557 |
}
|
|
3558 |
#endif
|
|
3559 |
|
|
3560 |
/* ************************************************************************** */
|
|
3561 |
|
|
3562 |
#ifndef MNG_SKIPCHUNK_LOOP
|
|
3563 |
MNG_C_SPECIALFUNC (mng_special_endl)
|
|
3564 |
{
|
|
3565 |
#ifdef MNG_SUPPORT_DISPLAY
|
|
3566 |
if (pData->bHasLOOP) /* are we really processing a loop ? */
|
|
3567 |
{
|
|
3568 |
mng_uint8 iLevel = ((mng_endlp)pChunk)->iLevel;
|
|
3569 |
/* create an ENDL animation object */
|
|
3570 |
return mng_create_ani_endl (pData, iLevel);
|
|
3571 |
}
|
|
3572 |
else
|
|
3573 |
MNG_ERROR (pData, MNG_NOMATCHINGLOOP);
|
|
3574 |
#endif /* MNG_SUPPORT_DISPLAY */
|
|
3575 |
|
|
3576 |
return MNG_NOERROR; /* done */
|
|
3577 |
}
|
|
3578 |
#endif
|
|
3579 |
|
|
3580 |
/* ************************************************************************** */
|
|
3581 |
|
|
3582 |
#ifndef MNG_SKIPCHUNK_DEFI
|
|
3583 |
MNG_C_SPECIALFUNC (mng_special_defi)
|
|
3584 |
{
|
|
3585 |
#ifdef MNG_SUPPORT_DISPLAY
|
|
3586 |
mng_retcode iRetcode;
|
|
3587 |
|
|
3588 |
pData->iDEFIobjectid = ((mng_defip)pChunk)->iObjectid;
|
|
3589 |
pData->bDEFIhasdonotshow = ((mng_defip)pChunk)->bHasdonotshow;
|
|
3590 |
pData->iDEFIdonotshow = ((mng_defip)pChunk)->iDonotshow;
|
|
3591 |
pData->bDEFIhasconcrete = ((mng_defip)pChunk)->bHasconcrete;
|
|
3592 |
pData->iDEFIconcrete = ((mng_defip)pChunk)->iConcrete;
|
|
3593 |
pData->bDEFIhasloca = ((mng_defip)pChunk)->bHasloca;
|
|
3594 |
pData->iDEFIlocax = ((mng_defip)pChunk)->iXlocation;
|
|
3595 |
pData->iDEFIlocay = ((mng_defip)pChunk)->iYlocation;
|
|
3596 |
pData->bDEFIhasclip = ((mng_defip)pChunk)->bHasclip;
|
|
3597 |
pData->iDEFIclipl = ((mng_defip)pChunk)->iLeftcb;
|
|
3598 |
pData->iDEFIclipr = ((mng_defip)pChunk)->iRightcb;
|
|
3599 |
pData->iDEFIclipt = ((mng_defip)pChunk)->iTopcb;
|
|
3600 |
pData->iDEFIclipb = ((mng_defip)pChunk)->iBottomcb;
|
|
3601 |
/* create an animation object */
|
|
3602 |
iRetcode = mng_create_ani_defi (pData);
|
|
3603 |
if (!iRetcode) /* do display processing */
|
|
3604 |
iRetcode = mng_process_display_defi (pData);
|
|
3605 |
return iRetcode;
|
|
3606 |
#else
|
|
3607 |
return MNG_NOERROR; /* done */
|
|
3608 |
#endif /* MNG_SUPPORT_DISPLAY */
|
|
3609 |
}
|
|
3610 |
#endif
|
|
3611 |
|
|
3612 |
/* ************************************************************************** */
|
|
3613 |
|
|
3614 |
#ifndef MNG_SKIPCHUNK_BASI
|
|
3615 |
MNG_C_SPECIALFUNC (mng_special_basi)
|
|
3616 |
{
|
|
3617 |
pData->bHasBASI = MNG_TRUE; /* inside a BASI-IEND block now */
|
|
3618 |
/* store interesting fields */
|
|
3619 |
pData->iDatawidth = ((mng_basip)pChunk)->iWidth;
|
|
3620 |
pData->iDataheight = ((mng_basip)pChunk)->iHeight;
|
|
3621 |
pData->iBitdepth = ((mng_basip)pChunk)->iBitdepth;
|
|
3622 |
pData->iColortype = ((mng_basip)pChunk)->iColortype;
|
|
3623 |
pData->iCompression = ((mng_basip)pChunk)->iCompression;
|
|
3624 |
pData->iFilter = ((mng_basip)pChunk)->iFilter;
|
|
3625 |
pData->iInterlace = ((mng_basip)pChunk)->iInterlace;
|
|
3626 |
|
|
3627 |
#if defined(MNG_NO_1_2_4BIT_SUPPORT) || defined(MNG_NO_16BIT_SUPPORT)
|
|
3628 |
pData->iPNGmult = 1;
|
|
3629 |
pData->iPNGdepth = pData->iBitdepth;
|
|
3630 |
#endif
|
|
3631 |
|
|
3632 |
#ifdef MNG_NO_1_2_4BIT_SUPPORT
|
|
3633 |
if (pData->iBitdepth < 8)
|
|
3634 |
pData->iBitdepth = 8;
|
|
3635 |
#endif
|
|
3636 |
#ifdef MNG_NO_16BIT_SUPPORT
|
|
3637 |
if (pData->iBitdepth > 8)
|
|
3638 |
{
|
|
3639 |
pData->iBitdepth = 8;
|
|
3640 |
pData->iPNGmult = 2;
|
|
3641 |
}
|
|
3642 |
#endif
|
|
3643 |
|
|
3644 |
if ((pData->iBitdepth != 8) /* parameter validity checks */
|
|
3645 |
#ifndef MNG_NO_1_2_4BIT_SUPPORT
|
|
3646 |
&& (pData->iBitdepth != 1) &&
|
|
3647 |
(pData->iBitdepth != 2) &&
|
|
3648 |
(pData->iBitdepth != 4)
|
|
3649 |
#endif
|
|
3650 |
#ifndef MNG_NO_16BIT_SUPPORT
|
|
3651 |
&& (pData->iBitdepth != 16)
|
|
3652 |
#endif
|
|
3653 |
)
|
|
3654 |
MNG_ERROR (pData, MNG_INVALIDBITDEPTH);
|
|
3655 |
|
|
3656 |
if ((pData->iColortype != MNG_COLORTYPE_GRAY ) &&
|
|
3657 |
(pData->iColortype != MNG_COLORTYPE_RGB ) &&
|
|
3658 |
(pData->iColortype != MNG_COLORTYPE_INDEXED) &&
|
|
3659 |
(pData->iColortype != MNG_COLORTYPE_GRAYA ) &&
|
|
3660 |
(pData->iColortype != MNG_COLORTYPE_RGBA ) )
|
|
3661 |
MNG_ERROR (pData, MNG_INVALIDCOLORTYPE);
|
|
3662 |
|
|
3663 |
if ((pData->iColortype == MNG_COLORTYPE_INDEXED) && (pData->iBitdepth > 8))
|
|
3664 |
MNG_ERROR (pData, MNG_INVALIDBITDEPTH);
|
|
3665 |
|
|
3666 |
if (((pData->iColortype == MNG_COLORTYPE_RGB ) ||
|
|
3667 |
(pData->iColortype == MNG_COLORTYPE_GRAYA ) ||
|
|
3668 |
(pData->iColortype == MNG_COLORTYPE_RGBA ) ) &&
|
|
3669 |
(pData->iBitdepth < 8 ) )
|
|
3670 |
MNG_ERROR (pData, MNG_INVALIDBITDEPTH);
|
|
3671 |
|
|
3672 |
#if defined(FILTER192) || defined(FILTER193)
|
|
3673 |
if ((pData->iFilter != MNG_FILTER_ADAPTIVE ) &&
|
|
3674 |
#if defined(FILTER192) && defined(FILTER193)
|
|
3675 |
(pData->iFilter != MNG_FILTER_DIFFERING) &&
|
|
3676 |
(pData->iFilter != MNG_FILTER_NOFILTER ) )
|
|
3677 |
#else
|
|
3678 |
#ifdef FILTER192
|
|
3679 |
(pData->iFilter != MNG_FILTER_DIFFERING) )
|
|
3680 |
#else
|
|
3681 |
(pData->iFilter != MNG_FILTER_NOFILTER ) )
|
|
3682 |
#endif
|
|
3683 |
#endif
|
|
3684 |
MNG_ERROR (pData, MNG_INVALIDFILTER);
|
|
3685 |
#else
|
|
3686 |
if (pData->iFilter)
|
|
3687 |
MNG_ERROR (pData, MNG_INVALIDFILTER);
|
|
3688 |
#endif
|
|
3689 |
|
|
3690 |
pData->iImagelevel++; /* one level deeper */
|
|
3691 |
|
|
3692 |
#ifdef MNG_SUPPORT_DISPLAY
|
|
3693 |
{ /* create an animation object */
|
|
3694 |
mng_retcode iRetcode = mng_create_ani_basi (pData, pChunk);
|
|
3695 |
if (iRetcode) /* on error bail out */
|
|
3696 |
return iRetcode;
|
|
3697 |
}
|
|
3698 |
#endif /* MNG_SUPPORT_DISPLAY */
|
|
3699 |
|
|
3700 |
#ifdef MNG_NO_16BIT_SUPPORT
|
|
3701 |
if (((mng_basip)pChunk)->iBitdepth > 8)
|
|
3702 |
((mng_basip)pChunk)->iBitdepth = 8;
|
|
3703 |
#endif
|
|
3704 |
|
|
3705 |
return MNG_NOERROR; /* done */
|
|
3706 |
}
|
|
3707 |
#endif
|
|
3708 |
|
|
3709 |
/* ************************************************************************** */
|
|
3710 |
|
|
3711 |
#ifndef MNG_SKIPCHUNK_CLON
|
|
3712 |
MNG_C_SPECIALFUNC (mng_special_clon)
|
|
3713 |
{
|
|
3714 |
#ifdef MNG_SUPPORT_DISPLAY
|
|
3715 |
return mng_create_ani_clon (pData, pChunk);
|
|
3716 |
#else
|
|
3717 |
return MNG_NOERROR; /* done */
|
|
3718 |
#endif /* MNG_SUPPORT_DISPLAY */
|
|
3719 |
}
|
|
3720 |
#endif
|
|
3721 |
|
|
3722 |
/* ************************************************************************** */
|
|
3723 |
|
|
3724 |
#ifndef MNG_SKIPCHUNK_PAST
|
|
3725 |
MNG_F_SPECIALFUNC (mng_debunk_past)
|
|
3726 |
{
|
|
3727 |
mng_pastp pPAST = (mng_pastp)pChunk;
|
|
3728 |
mng_uint32 iRawlen = *piRawlen;
|
|
3729 |
mng_uint8p pRawdata = *ppRawdata;
|
|
3730 |
mng_uint32 iSize;
|
|
3731 |
mng_uint32 iX;
|
|
3732 |
mng_past_sourcep pSource;
|
|
3733 |
/* check the length */
|
|
3734 |
if ((iRawlen < 41) || (((iRawlen - 11) % 30) != 0))
|
|
3735 |
MNG_ERROR (pData, MNG_INVALIDLENGTH);
|
|
3736 |
|
|
3737 |
pPAST->iDestid = mng_get_uint16 (pRawdata);
|
|
3738 |
pPAST->iTargettype = *(pRawdata+2);
|
|
3739 |
pPAST->iTargetx = mng_get_int32 (pRawdata+3);
|
|
3740 |
pPAST->iTargety = mng_get_int32 (pRawdata+7);
|
|
3741 |
pPAST->iCount = ((iRawlen - 11) / 30); /* how many entries again? */
|
|
3742 |
iSize = pPAST->iCount * sizeof (mng_past_source);
|
|
3743 |
|
|
3744 |
pRawdata += 11;
|
|
3745 |
/* get a buffer for all the source blocks */
|
|
3746 |
MNG_ALLOC (pData, pPAST->pSources, iSize);
|
|
3747 |
|
|
3748 |
pSource = (mng_past_sourcep)(pPAST->pSources);
|
|
3749 |
|
|
3750 |
for (iX = pPAST->iCount; iX > 0; iX--)
|
|
3751 |
{ /* now copy the source blocks */
|
|
3752 |
pSource->iSourceid = mng_get_uint16 (pRawdata);
|
|
3753 |
pSource->iComposition = *(pRawdata+2);
|
|
3754 |
pSource->iOrientation = *(pRawdata+3);
|
|
3755 |
pSource->iOffsettype = *(pRawdata+4);
|
|
3756 |
pSource->iOffsetx = mng_get_int32 (pRawdata+5);
|
|
3757 |
pSource->iOffsety = mng_get_int32 (pRawdata+9);
|
|
3758 |
pSource->iBoundarytype = *(pRawdata+13);
|
|
3759 |
pSource->iBoundaryl = mng_get_int32 (pRawdata+14);
|
|
3760 |
pSource->iBoundaryr = mng_get_int32 (pRawdata+18);
|
|
3761 |
pSource->iBoundaryt = mng_get_int32 (pRawdata+22);
|
|
3762 |
pSource->iBoundaryb = mng_get_int32 (pRawdata+26);
|
|
3763 |
|
|
3764 |
pSource++;
|
|
3765 |
pRawdata += 30;
|
|
3766 |
}
|
|
3767 |
|
|
3768 |
*piRawlen = 0;
|
|
3769 |
|
|
3770 |
return MNG_NOERROR;
|
|
3771 |
}
|
|
3772 |
#endif
|
|
3773 |
|
|
3774 |
/* ************************************************************************** */
|
|
3775 |
|
|
3776 |
#ifndef MNG_SKIPCHUNK_PAST
|
|
3777 |
MNG_C_SPECIALFUNC (mng_special_past)
|
|
3778 |
{
|
|
3779 |
#ifdef MNG_SUPPORT_DISPLAY
|
|
3780 |
return mng_create_ani_past (pData, pChunk);
|
|
3781 |
#else
|
|
3782 |
return MNG_NOERROR;
|
|
3783 |
#endif /* MNG_SUPPORT_DISPLAY */
|
|
3784 |
}
|
|
3785 |
#endif
|
|
3786 |
|
|
3787 |
/* ************************************************************************** */
|
|
3788 |
|
|
3789 |
#ifndef MNG_SKIPCHUNK_DISC
|
|
3790 |
MNG_F_SPECIALFUNC (mng_disc_entries)
|
|
3791 |
{
|
|
3792 |
mng_discp pDISC = (mng_discp)pChunk;
|
|
3793 |
mng_uint32 iRawlen = *piRawlen;
|
|
3794 |
mng_uint8p pRawdata = *ppRawdata;
|
|
3795 |
|
|
3796 |
if ((iRawlen % 2) != 0) /* check the length */
|
|
3797 |
MNG_ERROR (pData, MNG_INVALIDLENGTH);
|
|
3798 |
|
|
3799 |
pDISC->iCount = (iRawlen / sizeof (mng_uint16));
|
|
3800 |
|
|
3801 |
if (pDISC->iCount)
|
|
3802 |
{
|
|
3803 |
MNG_ALLOC (pData, pDISC->pObjectids, iRawlen);
|
|
3804 |
|
|
3805 |
#ifndef MNG_BIGENDIAN_SUPPORTED
|
|
3806 |
{
|
|
3807 |
mng_uint32 iX;
|
|
3808 |
mng_uint8p pIn = pRawdata;
|
|
3809 |
mng_uint16p pOut = pDISC->pObjectids;
|
|
3810 |
|
|
3811 |
for (iX = pDISC->iCount; iX > 0; iX--)
|
|
3812 |
{
|
|
3813 |
*pOut++ = mng_get_uint16 (pIn);
|
|
3814 |
pIn += 2;
|
|
3815 |
}
|
|
3816 |
}
|
|
3817 |
#else
|
|
3818 |
MNG_COPY (pDISC->pObjectids, pRawdata, iRawlen);
|
|
3819 |
#endif /* !MNG_BIGENDIAN_SUPPORTED */
|
|
3820 |
}
|
|
3821 |
|
|
3822 |
*piRawlen = 0;
|
|
3823 |
|
|
3824 |
return MNG_NOERROR;
|
|
3825 |
}
|
|
3826 |
#endif
|
|
3827 |
|
|
3828 |
/* ************************************************************************** */
|
|
3829 |
|
|
3830 |
#ifndef MNG_SKIPCHUNK_DISC
|
|
3831 |
MNG_C_SPECIALFUNC (mng_special_disc)
|
|
3832 |
{
|
|
3833 |
#ifdef MNG_SUPPORT_DISPLAY
|
|
3834 |
return mng_create_ani_disc (pData, pChunk);
|
|
3835 |
#else
|
|
3836 |
return MNG_NOERROR;
|
|
3837 |
#endif /* MNG_SUPPORT_DISPLAY */
|
|
3838 |
}
|
|
3839 |
#endif
|
|
3840 |
|
|
3841 |
/* ************************************************************************** */
|
|
3842 |
|
|
3843 |
#ifndef MNG_SKIPCHUNK_BACK
|
|
3844 |
MNG_C_SPECIALFUNC (mng_special_back)
|
|
3845 |
{
|
|
3846 |
#ifdef MNG_SUPPORT_DISPLAY
|
|
3847 |
/* retrieve the fields */
|
|
3848 |
pData->bHasBACK = MNG_TRUE;
|
|
3849 |
pData->iBACKred = ((mng_backp)pChunk)->iRed;
|
|
3850 |
pData->iBACKgreen = ((mng_backp)pChunk)->iGreen;
|
|
3851 |
pData->iBACKblue = ((mng_backp)pChunk)->iBlue;
|
|
3852 |
pData->iBACKmandatory = ((mng_backp)pChunk)->iMandatory;
|
|
3853 |
pData->iBACKimageid = ((mng_backp)pChunk)->iImageid;
|
|
3854 |
pData->iBACKtile = ((mng_backp)pChunk)->iTile;
|
|
3855 |
|
|
3856 |
return mng_create_ani_back (pData);
|
|
3857 |
#else
|
|
3858 |
return MNG_NOERROR;
|
|
3859 |
#endif /* MNG_SUPPORT_DISPLAY */
|
|
3860 |
}
|
|
3861 |
#endif
|
|
3862 |
|
|
3863 |
/* ************************************************************************** */
|
|
3864 |
|
|
3865 |
#ifndef MNG_SKIPCHUNK_FRAM
|
|
3866 |
MNG_F_SPECIALFUNC (mng_fram_remainder)
|
|
3867 |
{
|
|
3868 |
mng_framp pFRAM = (mng_framp)pChunk;
|
|
3869 |
mng_uint32 iRawlen = *piRawlen;
|
|
3870 |
mng_uint8p pRawdata = *ppRawdata;
|
|
3871 |
mng_uint32 iRequired = 0;
|
|
3872 |
|
|
3873 |
if (iRawlen < 4) /* must have at least 4 bytes */
|
|
3874 |
MNG_ERROR (pData, MNG_INVALIDLENGTH);
|
|
3875 |
|
|
3876 |
iRequired = 4; /* calculate and check required remaining length */
|
|
3877 |
|
|
3878 |
pFRAM->iChangedelay = *pRawdata;
|
|
3879 |
pFRAM->iChangetimeout = *(pRawdata+1);
|
|
3880 |
pFRAM->iChangeclipping = *(pRawdata+2);
|
|
3881 |
pFRAM->iChangesyncid = *(pRawdata+3);
|
|
3882 |
|
|
3883 |
if (pFRAM->iChangedelay ) { iRequired += 4; }
|
|
3884 |
if (pFRAM->iChangetimeout ) { iRequired += 4; }
|
|
3885 |
if (pFRAM->iChangeclipping) { iRequired += 17; }
|
|
3886 |
|
|
3887 |
if (pFRAM->iChangesyncid)
|
|
3888 |
{
|
|
3889 |
if ((iRawlen - iRequired) % 4 != 0)
|
|
3890 |
MNG_ERROR (pData, MNG_INVALIDLENGTH);
|
|
3891 |
}
|
|
3892 |
else
|
|
3893 |
{
|
|
3894 |
if (iRawlen != iRequired)
|
|
3895 |
MNG_ERROR (pData, MNG_INVALIDLENGTH);
|
|
3896 |
}
|
|
3897 |
|
|
3898 |
pRawdata += 4;
|
|
3899 |
|
|
3900 |
if (pFRAM->iChangedelay) /* delay changed ? */
|
|
3901 |
{
|
|
3902 |
pFRAM->iDelay = mng_get_uint32 (pRawdata);
|
|
3903 |
pRawdata += 4;
|
|
3904 |
}
|
|
3905 |
|
|
3906 |
if (pFRAM->iChangetimeout) /* timeout changed ? */
|
|
3907 |
{
|
|
3908 |
pFRAM->iTimeout = mng_get_uint32 (pRawdata);
|
|
3909 |
pRawdata += 4;
|
|
3910 |
}
|
|
3911 |
|
|
3912 |
if (pFRAM->iChangeclipping) /* clipping changed ? */
|
|
3913 |
{
|
|
3914 |
pFRAM->iBoundarytype = *pRawdata;
|
|
3915 |
pFRAM->iBoundaryl = mng_get_int32 (pRawdata+1);
|
|
3916 |
pFRAM->iBoundaryr = mng_get_int32 (pRawdata+5);
|
|
3917 |
pFRAM->iBoundaryt = mng_get_int32 (pRawdata+9);
|
|
3918 |
pFRAM->iBoundaryb = mng_get_int32 (pRawdata+13);
|
|
3919 |
pRawdata += 17;
|
|
3920 |
}
|
|
3921 |
|
|
3922 |
if (pFRAM->iChangesyncid)
|
|
3923 |
{
|
|
3924 |
pFRAM->iCount = (iRawlen - iRequired) / 4;
|
|
3925 |
|
|
3926 |
if (pFRAM->iCount)
|
|
3927 |
{
|
|
3928 |
MNG_ALLOC (pData, pFRAM->pSyncids, pFRAM->iCount * 4);
|
|
3929 |
|
|
3930 |
#ifndef MNG_BIGENDIAN_SUPPORTED
|
|
3931 |
{
|
|
3932 |
mng_uint32 iX;
|
|
3933 |
mng_uint32p pOut = pFRAM->pSyncids;
|
|
3934 |
|
|
3935 |
for (iX = pFRAM->iCount; iX > 0; iX--)
|
|
3936 |
{
|
|
3937 |
*pOut++ = mng_get_uint32 (pRawdata);
|
|
3938 |
pRawdata += 4;
|
|
3939 |
}
|
|
3940 |
}
|
|
3941 |
#else
|
|
3942 |
MNG_COPY (pFRAM->pSyncids, pRawdata, pFRAM->iCount * 4);
|
|
3943 |
#endif /* !MNG_BIGENDIAN_SUPPORTED */
|
|
3944 |
}
|
|
3945 |
}
|
|
3946 |
|
|
3947 |
#ifndef MNG_NO_OLD_VERSIONS
|
|
3948 |
if (pData->bPreDraft48) /* old style input-stream ? */
|
|
3949 |
{
|
|
3950 |
switch (pFRAM->iMode) /* fix the framing mode then */
|
|
3951 |
{
|
|
3952 |
case 0: { break; }
|
|
3953 |
case 1: { pFRAM->iMode = 3; break; }
|
|
3954 |
case 2: { pFRAM->iMode = 4; break; }
|
|
3955 |
case 3: { pFRAM->iMode = 1; break; }
|
|
3956 |
case 4: { pFRAM->iMode = 1; break; }
|
|
3957 |
case 5: { pFRAM->iMode = 2; break; }
|
|
3958 |
default: { pFRAM->iMode = 1; break; }
|
|
3959 |
}
|
|
3960 |
}
|
|
3961 |
#endif
|
|
3962 |
|
|
3963 |
*piRawlen = 0;
|
|
3964 |
|
|
3965 |
return MNG_NOERROR;
|
|
3966 |
}
|
|
3967 |
#endif
|
|
3968 |
|
|
3969 |
/* ************************************************************************** */
|
|
3970 |
|
|
3971 |
#ifndef MNG_SKIPCHUNK_FRAM
|
|
3972 |
MNG_C_SPECIALFUNC (mng_special_fram)
|
|
3973 |
{
|
|
3974 |
#ifdef MNG_SUPPORT_DISPLAY
|
|
3975 |
return mng_create_ani_fram (pData, pChunk);
|
|
3976 |
#else
|
|
3977 |
return MNG_NOERROR;
|
|
3978 |
#endif /* MNG_SUPPORT_DISPLAY */
|
|
3979 |
}
|
|
3980 |
#endif
|
|
3981 |
|
|
3982 |
/* ************************************************************************** */
|
|
3983 |
|
|
3984 |
#ifndef MNG_SKIPCHUNK_MOVE
|
|
3985 |
MNG_C_SPECIALFUNC (mng_special_move)
|
|
3986 |
{
|
|
3987 |
#ifdef MNG_SUPPORT_DISPLAY
|
|
3988 |
return mng_create_ani_move (pData, pChunk);
|
|
3989 |
#else
|
|
3990 |
return MNG_NOERROR;
|
|
3991 |
#endif /* MNG_SUPPORT_DISPLAY */
|
|
3992 |
}
|
|
3993 |
#endif
|
|
3994 |
|
|
3995 |
/* ************************************************************************** */
|
|
3996 |
|
|
3997 |
#ifndef MNG_SKIPCHUNK_CLIP
|
|
3998 |
MNG_C_SPECIALFUNC (mng_special_clip)
|
|
3999 |
{
|
|
4000 |
#ifdef MNG_SUPPORT_DISPLAY
|
|
4001 |
return mng_create_ani_clip (pData, pChunk);
|
|
4002 |
#else
|
|
4003 |
return MNG_NOERROR;
|
|
4004 |
#endif /* MNG_SUPPORT_DISPLAY */
|
|
4005 |
}
|
|
4006 |
#endif
|
|
4007 |
|
|
4008 |
/* ************************************************************************** */
|
|
4009 |
|
|
4010 |
#ifndef MNG_SKIPCHUNK_SHOW
|
|
4011 |
MNG_C_SPECIALFUNC (mng_special_show)
|
|
4012 |
{
|
|
4013 |
#ifdef MNG_SUPPORT_DISPLAY
|
|
4014 |
mng_retcode iRetcode;
|
|
4015 |
|
|
4016 |
if (!((mng_showp)pChunk)->bEmpty) /* any data ? */
|
|
4017 |
{
|
|
4018 |
if (!((mng_showp)pChunk)->bHaslastid)
|
|
4019 |
((mng_showp)pChunk)->iLastid = ((mng_showp)pChunk)->iFirstid;
|
|
4020 |
|
|
4021 |
pData->iSHOWfromid = ((mng_showp)pChunk)->iFirstid;
|
|
4022 |
pData->iSHOWtoid = ((mng_showp)pChunk)->iLastid;
|
|
4023 |
pData->iSHOWmode = ((mng_showp)pChunk)->iMode;
|
|
4024 |
}
|
|
4025 |
else /* use defaults then */
|
|
4026 |
{
|
|
4027 |
pData->iSHOWfromid = 1;
|
|
4028 |
pData->iSHOWtoid = 65535;
|
|
4029 |
pData->iSHOWmode = 2;
|
|
4030 |
}
|
|
4031 |
/* create a SHOW animation object */
|
|
4032 |
iRetcode = mng_create_ani_show (pData);
|
|
4033 |
if (!iRetcode) /* go and do it! */
|
|
4034 |
iRetcode = mng_process_display_show (pData);
|
|
4035 |
|
|
4036 |
#endif /* MNG_SUPPORT_DISPLAY */
|
|
4037 |
|
|
4038 |
return iRetcode;
|
|
4039 |
}
|
|
4040 |
#endif
|
|
4041 |
|
|
4042 |
/* ************************************************************************** */
|
|
4043 |
|
|
4044 |
#ifndef MNG_SKIPCHUNK_TERM
|
|
4045 |
MNG_C_SPECIALFUNC (mng_special_term)
|
|
4046 |
{
|
|
4047 |
/* should be behind MHDR or SAVE !! */
|
|
4048 |
if ((!pData->bHasSAVE) && (pData->iChunkseq > 2))
|
|
4049 |
{
|
|
4050 |
pData->bMisplacedTERM = MNG_TRUE; /* indicate we found a misplaced TERM */
|
|
4051 |
/* and send a warning signal!!! */
|
|
4052 |
MNG_WARNING (pData, MNG_SEQUENCEERROR);
|
|
4053 |
}
|
|
4054 |
|
|
4055 |
pData->bHasTERM = MNG_TRUE;
|
|
4056 |
|
|
4057 |
if (pData->fProcessterm) /* inform the app ? */
|
|
4058 |
if (!pData->fProcessterm (((mng_handle)pData),
|
|
4059 |
((mng_termp)pChunk)->iTermaction,
|
|
4060 |
((mng_termp)pChunk)->iIteraction,
|
|
4061 |
((mng_termp)pChunk)->iDelay,
|
|
4062 |
((mng_termp)pChunk)->iItermax))
|
|
4063 |
MNG_ERROR (pData, MNG_APPMISCERROR);
|
|
4064 |
|
|
4065 |
#ifdef MNG_SUPPORT_DISPLAY
|
|
4066 |
{ /* create the TERM ani-object */
|
|
4067 |
mng_retcode iRetcode = mng_create_ani_term (pData, pChunk);
|
|
4068 |
if (iRetcode) /* on error bail out */
|
|
4069 |
return iRetcode;
|
|
4070 |
/* save for future reference */
|
|
4071 |
pData->pTermaniobj = pData->pLastaniobj;
|
|
4072 |
}
|
|
4073 |
#endif /* MNG_SUPPORT_DISPLAY */
|
|
4074 |
|
|
4075 |
return MNG_NOERROR; /* done */
|
|
4076 |
}
|
|
4077 |
#endif
|
|
4078 |
|
|
4079 |
/* ************************************************************************** */
|
|
4080 |
|
|
4081 |
#ifndef MNG_SKIPCHUNK_SAVE
|
|
4082 |
MNG_F_SPECIALFUNC (mng_save_entries)
|
|
4083 |
{
|
|
4084 |
mng_savep pSAVE = (mng_savep)pChunk;
|
|
4085 |
mng_uint32 iRawlen = *piRawlen;
|
|
4086 |
mng_uint8p pRawdata = *ppRawdata;
|
|
4087 |
mng_save_entryp pEntry = MNG_NULL;
|
|
4088 |
mng_uint32 iCount = 0;
|
|
4089 |
mng_uint8 iOtype = *pRawdata;
|
|
4090 |
mng_uint8 iEtype;
|
|
4091 |
mng_uint8p pTemp;
|
|
4092 |
mng_uint8p pNull;
|
|
4093 |
mng_uint32 iLen;
|
|
4094 |
mng_uint32 iOffset[2];
|
|
4095 |
mng_uint32 iStarttime[2];
|
|
4096 |
mng_uint32 iFramenr;
|
|
4097 |
mng_uint32 iLayernr;
|
|
4098 |
mng_uint32 iX;
|
|
4099 |
mng_uint32 iNamesize;
|
|
4100 |
|
|
4101 |
if ((iOtype != 4) && (iOtype != 8))
|
|
4102 |
MNG_ERROR (pData, MNG_INVOFFSETSIZE);
|
|
4103 |
|
|
4104 |
pSAVE->iOffsettype = iOtype;
|
|
4105 |
|
|
4106 |
for (iX = 0; iX < 2; iX++) /* do this twice to get the count first ! */
|
|
4107 |
{
|
|
4108 |
pTemp = pRawdata + 1;
|
|
4109 |
iLen = iRawlen - 1;
|
|
4110 |
|
|
4111 |
if (iX) /* second run ? */
|
|
4112 |
{
|
|
4113 |
MNG_ALLOC (pData, pEntry, (iCount * sizeof (mng_save_entry)));
|
|
4114 |
|
|
4115 |
pSAVE->iCount = iCount;
|
|
4116 |
pSAVE->pEntries = pEntry;
|
|
4117 |
}
|
|
4118 |
|
|
4119 |
while (iLen) /* anything left ? */
|
|
4120 |
{
|
|
4121 |
iEtype = *pTemp; /* entrytype */
|
|
4122 |
|
|
4123 |
if ((iEtype != 0) && (iEtype != 1) && (iEtype != 2) && (iEtype != 3))
|
|
4124 |
MNG_ERROR (pData, MNG_INVENTRYTYPE);
|
|
4125 |
|
|
4126 |
pTemp++;
|
|
4127 |
|
|
4128 |
if (iEtype > 1)
|
|
4129 |
{
|
|
4130 |
iOffset [0] = 0;
|
|
4131 |
iOffset [1] = 0;
|
|
4132 |
iStarttime [0] = 0;
|
|
4133 |
iStarttime [1] = 0;
|
|
4134 |
iLayernr = 0;
|
|
4135 |
iFramenr = 0;
|
|
4136 |
}
|
|
4137 |
else
|
|
4138 |
{
|
|
4139 |
if (iOtype == 4)
|
|
4140 |
{
|
|
4141 |
iOffset [0] = 0;
|
|
4142 |
iOffset [1] = mng_get_uint32 (pTemp);
|
|
4143 |
|
|
4144 |
pTemp += 4;
|
|
4145 |
}
|
|
4146 |
else
|
|
4147 |
{
|
|
4148 |
iOffset [0] = mng_get_uint32 (pTemp);
|
|
4149 |
iOffset [1] = mng_get_uint32 (pTemp+4);
|
|
4150 |
|
|
4151 |
pTemp += 8;
|
|
4152 |
}
|
|
4153 |
|
|
4154 |
if (iEtype > 0)
|
|
4155 |
{
|
|
4156 |
iStarttime [0] = 0;
|
|
4157 |
iStarttime [1] = 0;
|
|
4158 |
iLayernr = 0;
|
|
4159 |
iFramenr = 0;
|
|
4160 |
}
|
|
4161 |
else
|
|
4162 |
{
|
|
4163 |
if (iOtype == 4)
|
|
4164 |
{
|
|
4165 |
iStarttime [0] = 0;
|
|
4166 |
iStarttime [1] = mng_get_uint32 (pTemp+0);
|
|
4167 |
iLayernr = mng_get_uint32 (pTemp+4);
|
|
4168 |
iFramenr = mng_get_uint32 (pTemp+8);
|
|
4169 |
|
|
4170 |
pTemp += 12;
|
|
4171 |
}
|
|
4172 |
else
|
|
4173 |
{
|
|
4174 |
iStarttime [0] = mng_get_uint32 (pTemp+0);
|
|
4175 |
iStarttime [1] = mng_get_uint32 (pTemp+4);
|
|
4176 |
iLayernr = mng_get_uint32 (pTemp+8);
|
|
4177 |
iFramenr = mng_get_uint32 (pTemp+12);
|
|
4178 |
|
|
4179 |
pTemp += 16;
|
|
4180 |
}
|
|
4181 |
}
|
|
4182 |
}
|
|
4183 |
|
|
4184 |
pNull = pTemp; /* get the name length */
|
|
4185 |
while (*pNull)
|
|
4186 |
pNull++;
|
|
4187 |
|
|
4188 |
if ((pNull - pRawdata) > (mng_int32)iRawlen)
|
|
4189 |
{
|
|
4190 |
iNamesize = iLen; /* no null found; so end of SAVE */
|
|
4191 |
iLen = 0;
|
|
4192 |
}
|
|
4193 |
else
|
|
4194 |
{
|
|
4195 |
iNamesize = pNull - pTemp; /* should be another entry */
|
|
4196 |
iLen -= iNamesize;
|
|
4197 |
|
|
4198 |
if (!iLen) /* must not end with a null ! */
|
|
4199 |
MNG_ERROR (pData, MNG_ENDWITHNULL);
|
|
4200 |
}
|
|
4201 |
|
|
4202 |
if (!pEntry)
|
|
4203 |
{
|
|
4204 |
iCount++;
|
|
4205 |
}
|
|
4206 |
else
|
|
4207 |
{
|
|
4208 |
pEntry->iEntrytype = iEtype;
|
|
4209 |
pEntry->iOffset [0] = iOffset [0];
|
|
4210 |
pEntry->iOffset [1] = iOffset [1];
|
|
4211 |
pEntry->iStarttime [0] = iStarttime [0];
|
|
4212 |
pEntry->iStarttime [1] = iStarttime [1];
|
|
4213 |
pEntry->iLayernr = iLayernr;
|
|
4214 |
pEntry->iFramenr = iFramenr;
|
|
4215 |
pEntry->iNamesize = iNamesize;
|
|
4216 |
|
|
4217 |
if (iNamesize)
|
|
4218 |
{
|
|
4219 |
MNG_ALLOC (pData, pEntry->zName, iNamesize+1);
|
|
4220 |
MNG_COPY (pEntry->zName, pTemp, iNamesize);
|
|
4221 |
}
|
|
4222 |
|
|
4223 |
pEntry++;
|
|
4224 |
}
|
|
4225 |
|
|
4226 |
pTemp += iNamesize;
|
|
4227 |
}
|
|
4228 |
}
|
|
4229 |
|
|
4230 |
*piRawlen = 0;
|
|
4231 |
|
|
4232 |
return MNG_NOERROR;
|
|
4233 |
}
|
|
4234 |
#endif
|
|
4235 |
|
|
4236 |
/* ************************************************************************** */
|
|
4237 |
|
|
4238 |
#ifndef MNG_SKIPCHUNK_SAVE
|
|
4239 |
MNG_C_SPECIALFUNC (mng_special_save)
|
|
4240 |
{
|
|
4241 |
pData->bHasSAVE = MNG_TRUE;
|
|
4242 |
|
|
4243 |
if (pData->fProcesssave) /* inform the application ? */
|
|
4244 |
{
|
|
4245 |
mng_bool bOke = pData->fProcesssave ((mng_handle)pData);
|
|
4246 |
if (!bOke)
|
|
4247 |
MNG_ERROR (pData, MNG_APPMISCERROR);
|
|
4248 |
}
|
|
4249 |
|
|
4250 |
#ifdef MNG_SUPPORT_DISPLAY
|
|
4251 |
{
|
|
4252 |
mng_retcode iRetcode;
|
|
4253 |
|
|
4254 |
/* TODO: something with the parameters */
|
|
4255 |
|
|
4256 |
/* create a SAVE animation object */
|
|
4257 |
iRetcode = mng_create_ani_save (pData);
|
|
4258 |
if (!iRetcode) /* process it */
|
|
4259 |
iRetcode = mng_process_display_save (pData);
|
|
4260 |
if (iRetcode) /* on error bail out */
|
|
4261 |
return iRetcode;
|
|
4262 |
}
|
|
4263 |
#endif /* MNG_SUPPORT_DISPLAY */
|
|
4264 |
|
|
4265 |
return MNG_NOERROR; /* done */
|
|
4266 |
}
|
|
4267 |
#endif
|
|
4268 |
|
|
4269 |
/* ************************************************************************** */
|
|
4270 |
|
|
4271 |
#ifndef MNG_SKIPCHUNK_SEEK
|
|
4272 |
MNG_C_SPECIALFUNC (mng_special_seek)
|
|
4273 |
{
|
|
4274 |
mng_retcode iRetcode;
|
|
4275 |
|
|
4276 |
#ifdef MNG_SUPPORT_DISPLAY
|
|
4277 |
/* create a SEEK animation object */
|
|
4278 |
iRetcode = mng_create_ani_seek (pData, pChunk);
|
|
4279 |
if (iRetcode) /* on error bail out */
|
|
4280 |
return iRetcode;
|
|
4281 |
|
|
4282 |
#endif /* MNG_SUPPORT_DISPLAY */
|
|
4283 |
|
|
4284 |
if (pData->fProcessseek) /* inform the app ? */
|
|
4285 |
if (!pData->fProcessseek ((mng_handle)pData, ((mng_seekp)pChunk)->zName))
|
|
4286 |
MNG_ERROR (pData, MNG_APPMISCERROR);
|
|
4287 |
|
|
4288 |
#ifdef MNG_SUPPORT_DISPLAY
|
|
4289 |
return mng_process_display_seek (pData);
|
|
4290 |
#else
|
|
4291 |
return MNG_NOERROR;
|
|
4292 |
#endif /* MNG_SUPPORT_DISPLAY */
|
|
4293 |
}
|
|
4294 |
#endif
|
|
4295 |
|
|
4296 |
/* ************************************************************************** */
|
|
4297 |
|
|
4298 |
#ifndef MNG_SKIPCHUNK_eXPI
|
|
4299 |
MNG_C_SPECIALFUNC (mng_special_expi)
|
|
4300 |
{
|
|
4301 |
#ifdef MNG_SUPPORT_DISPLAY
|
|
4302 |
{
|
|
4303 |
|
|
4304 |
|
|
4305 |
/* TODO: something !!! */
|
|
4306 |
|
|
4307 |
|
|
4308 |
}
|
|
4309 |
#endif /* MNG_SUPPORT_DISPLAY */
|
|
4310 |
|
|
4311 |
return MNG_NOERROR; /* done */
|
|
4312 |
}
|
|
4313 |
#endif
|
|
4314 |
|
|
4315 |
/* ************************************************************************** */
|
|
4316 |
|
|
4317 |
#ifndef MNG_SKIPCHUNK_fPRI
|
|
4318 |
MNG_C_SPECIALFUNC (mng_special_fpri)
|
|
4319 |
{
|
|
4320 |
#ifdef MNG_SUPPORT_DISPLAY
|
|
4321 |
{
|
|
4322 |
|
|
4323 |
|
|
4324 |
/* TODO: something !!! */
|
|
4325 |
|
|
4326 |
|
|
4327 |
}
|
|
4328 |
#endif /* MNG_SUPPORT_DISPLAY */
|
|
4329 |
|
|
4330 |
return MNG_NOERROR; /* done */
|
|
4331 |
}
|
|
4332 |
#endif
|
|
4333 |
|
|
4334 |
/* ************************************************************************** */
|
|
4335 |
|
|
4336 |
#ifndef MNG_SKIPCHUNK_nEED
|
|
4337 |
MNG_LOCAL mng_bool CheckKeyword (mng_datap pData,
|
|
4338 |
mng_uint8p pKeyword)
|
|
4339 |
{
|
|
4340 |
mng_chunkid handled_chunks [] =
|
|
4341 |
{
|
|
4342 |
MNG_UINT_BACK, /* keep it sorted !!!! */
|
|
4343 |
MNG_UINT_BASI,
|
|
4344 |
MNG_UINT_CLIP,
|
|
4345 |
MNG_UINT_CLON,
|
|
4346 |
#ifndef MNG_NO_DELTA_PNG
|
|
4347 |
/* TODO: MNG_UINT_DBYK, */
|
|
4348 |
#endif
|
|
4349 |
MNG_UINT_DEFI,
|
|
4350 |
#ifndef MNG_NO_DELTA_PNG
|
|
4351 |
MNG_UINT_DHDR,
|
|
4352 |
#endif
|
|
4353 |
MNG_UINT_DISC,
|
|
4354 |
#ifndef MNG_NO_DELTA_PNG
|
|
4355 |
/* TODO: MNG_UINT_DROP, */
|
|
4356 |
#endif
|
|
4357 |
MNG_UINT_ENDL,
|
|
4358 |
MNG_UINT_FRAM,
|
|
4359 |
MNG_UINT_IDAT,
|
|
4360 |
MNG_UINT_IEND,
|
|
4361 |
MNG_UINT_IHDR,
|
|
4362 |
#ifndef MNG_NO_DELTA_PNG
|
|
4363 |
#ifdef MNG_INCLUDE_JNG
|
|
4364 |
MNG_UINT_IJNG,
|
|
4365 |
#endif
|
|
4366 |
MNG_UINT_IPNG,
|
|
4367 |
#endif
|
|
4368 |
#ifdef MNG_INCLUDE_JNG
|
|
4369 |
MNG_UINT_JDAA,
|
|
4370 |
MNG_UINT_JDAT,
|
|
4371 |
MNG_UINT_JHDR,
|
|
4372 |
/* TODO: MNG_UINT_JSEP, */
|
|
4373 |
MNG_UINT_JdAA,
|
|
4374 |
#endif
|
|
4375 |
MNG_UINT_LOOP,
|
|
4376 |
MNG_UINT_MAGN,
|
|
4377 |
MNG_UINT_MEND,
|
|
4378 |
MNG_UINT_MHDR,
|
|
4379 |
MNG_UINT_MOVE,
|
|
4380 |
/* TODO: MNG_UINT_ORDR, */
|
|
4381 |
MNG_UINT_PAST,
|
|
4382 |
MNG_UINT_PLTE,
|
|
4383 |
#ifndef MNG_NO_DELTA_PNG
|
|
4384 |
MNG_UINT_PPLT,
|
|
4385 |
MNG_UINT_PROM,
|
|
4386 |
#endif
|
|
4387 |
MNG_UINT_SAVE,
|
|
4388 |
MNG_UINT_SEEK,
|
|
4389 |
MNG_UINT_SHOW,
|
|
4390 |
MNG_UINT_TERM,
|
|
4391 |
MNG_UINT_bKGD,
|
|
4392 |
MNG_UINT_cHRM,
|
|
4393 |
/* TODO: MNG_UINT_eXPI, */
|
|
4394 |
MNG_UINT_evNT,
|
|
4395 |
/* TODO: MNG_UINT_fPRI, */
|
|
4396 |
MNG_UINT_gAMA,
|
|
4397 |
/* TODO: MNG_UINT_hIST, */
|
|
4398 |
MNG_UINT_iCCP,
|
|
4399 |
MNG_UINT_iTXt,
|
|
4400 |
MNG_UINT_nEED,
|
|
4401 |
/* TODO: MNG_UINT_oFFs, */
|
|
4402 |
/* TODO: MNG_UINT_pCAL, */
|
|
4403 |
/* TODO: MNG_UINT_pHYg, */
|
|
4404 |
/* TODO: MNG_UINT_pHYs, */
|
|
4405 |
/* TODO: MNG_UINT_sBIT, */
|
|
4406 |
/* TODO: MNG_UINT_sCAL, */
|
|
4407 |
/* TODO: MNG_UINT_sPLT, */
|
|
4408 |
MNG_UINT_sRGB,
|
|
4409 |
MNG_UINT_tEXt,
|
|
4410 |
MNG_UINT_tIME,
|
|
4411 |
MNG_UINT_tRNS,
|
|
4412 |
MNG_UINT_zTXt,
|
|
4413 |
};
|
|
4414 |
|
|
4415 |
mng_bool bOke = MNG_FALSE;
|
|
4416 |
|
|
4417 |
if (pData->fProcessneed) /* does the app handle it ? */
|
|
4418 |
bOke = pData->fProcessneed ((mng_handle)pData, (mng_pchar)pKeyword);
|
|
4419 |
|
|
4420 |
if (!bOke)
|
|
4421 |
{ /* find the keyword length */
|
|
4422 |
mng_uint8p pNull = pKeyword;
|
|
4423 |
while (*pNull)
|
|
4424 |
pNull++;
|
|
4425 |
|
|
4426 |
if ((pNull - pKeyword) == 4) /* test a chunk ? */
|
|
4427 |
{ /* get the chunk-id */
|
|
4428 |
mng_chunkid iChunkid = (*pKeyword << 24) + (*(pKeyword+1) << 16) +
|
|
4429 |
(*(pKeyword+2) << 8) + (*(pKeyword+3) );
|
|
4430 |
/* binary search variables */
|
|
4431 |
mng_int32 iTop, iLower, iUpper, iMiddle;
|
|
4432 |
/* determine max index of table */
|
|
4433 |
iTop = (sizeof (handled_chunks) / sizeof (handled_chunks [0])) - 1;
|
|
4434 |
|
|
4435 |
/* binary search; with 52 chunks, worst-case is 7 comparisons */
|
|
4436 |
iLower = 0;
|
|
4437 |
iMiddle = iTop >> 1;
|
|
4438 |
iUpper = iTop;
|
|
4439 |
|
|
4440 |
do /* the binary search itself */
|
|
4441 |
{
|
|
4442 |
if (handled_chunks [iMiddle] < iChunkid)
|
|
4443 |
iLower = iMiddle + 1;
|
|
4444 |
else if (handled_chunks [iMiddle] > iChunkid)
|
|
4445 |
iUpper = iMiddle - 1;
|
|
4446 |
else
|
|
4447 |
{
|
|
4448 |
bOke = MNG_TRUE;
|
|
4449 |
break;
|
|
4450 |
}
|
|
4451 |
|
|
4452 |
iMiddle = (iLower + iUpper) >> 1;
|
|
4453 |
}
|
|
4454 |
while (iLower <= iUpper);
|
|
4455 |
}
|
|
4456 |
/* test draft ? */
|
|
4457 |
if ((!bOke) && ((pNull - pKeyword) == 8) &&
|
|
4458 |
(*pKeyword == 'd') && (*(pKeyword+1) == 'r') &&
|
|
4459 |
(*(pKeyword+2) == 'a') && (*(pKeyword+3) == 'f') &&
|
|
4460 |
(*(pKeyword+4) == 't') && (*(pKeyword+5) == ' '))
|
|
4461 |
{
|
|
4462 |
mng_uint32 iDraft;
|
|
4463 |
|
|
4464 |
iDraft = (*(pKeyword+6) - '0') * 10 + (*(pKeyword+7) - '0');
|
|
4465 |
bOke = (mng_bool)(iDraft <= MNG_MNG_DRAFT);
|
|
4466 |
}
|
|
4467 |
/* test MNG 1.0/1.1 ? */
|
|
4468 |
if ((!bOke) && ((pNull - pKeyword) == 7) &&
|
|
4469 |
(*pKeyword == 'M') && (*(pKeyword+1) == 'N') &&
|
|
4470 |
(*(pKeyword+2) == 'G') && (*(pKeyword+3) == '-') &&
|
|
4471 |
(*(pKeyword+4) == '1') && (*(pKeyword+5) == '.') &&
|
|
4472 |
((*(pKeyword+6) == '0') || (*(pKeyword+6) == '1')))
|
|
4473 |
bOke = MNG_TRUE;
|
|
4474 |
/* test CACHEOFF ? */
|
|
4475 |
if ((!bOke) && ((pNull - pKeyword) == 8) &&
|
|
4476 |
(*pKeyword == 'C') && (*(pKeyword+1) == 'A') &&
|
|
4477 |
(*(pKeyword+2) == 'C') && (*(pKeyword+3) == 'H') &&
|
|
4478 |
(*(pKeyword+4) == 'E') && (*(pKeyword+5) == 'O') &&
|
|
4479 |
(*(pKeyword+6) == 'F') && (*(pKeyword+7) == 'F'))
|
|
4480 |
{
|
|
4481 |
if (!pData->pFirstaniobj) /* only if caching hasn't started yet ! */
|
|
4482 |
{
|
|
4483 |
bOke = MNG_TRUE;
|
|
4484 |
pData->bCacheplayback = MNG_FALSE;
|
|
4485 |
pData->bStorechunks = MNG_FALSE;
|
|
4486 |
}
|
|
4487 |
}
|
|
4488 |
}
|
|
4489 |
|
|
4490 |
return bOke;
|
|
4491 |
}
|
|
4492 |
#endif
|
|
4493 |
|
|
4494 |
/* ************************************************************************** */
|
|
4495 |
|
|
4496 |
#ifndef MNG_SKIPCHUNK_nEED
|
|
4497 |
MNG_C_SPECIALFUNC (mng_special_need)
|
|
4498 |
{
|
|
4499 |
/* let's check it */
|
|
4500 |
mng_bool bOke = MNG_TRUE;
|
|
4501 |
mng_uint8p pNull, pTemp, pMax;
|
|
4502 |
|
|
4503 |
pTemp = (mng_uint8p)((mng_needp)pChunk)->zKeywords;
|
|
4504 |
pMax = (mng_uint8p)(pTemp + ((mng_needp)pChunk)->iKeywordssize);
|
|
4505 |
pNull = pTemp;
|
|
4506 |
while (*pNull)
|
|
4507 |
pNull++;
|
|
4508 |
|
|
4509 |
while ((bOke) && (pNull < pMax))
|
|
4510 |
{
|
|
4511 |
bOke = CheckKeyword (pData, pTemp);
|
|
4512 |
pTemp = pNull + 1;
|
|
4513 |
pNull = pTemp;
|
|
4514 |
while (*pNull)
|
|
4515 |
pNull++;
|
|
4516 |
}
|
|
4517 |
|
|
4518 |
if (bOke)
|
|
4519 |
bOke = CheckKeyword (pData, pTemp);
|
|
4520 |
|
|
4521 |
if (!bOke)
|
|
4522 |
MNG_ERROR (pData, MNG_UNSUPPORTEDNEED);
|
|
4523 |
|
|
4524 |
return MNG_NOERROR; /* done */
|
|
4525 |
}
|
|
4526 |
#endif
|
|
4527 |
|
|
4528 |
/* ************************************************************************** */
|
|
4529 |
|
|
4530 |
#ifndef MNG_SKIPCHUNK_pHYg
|
|
4531 |
MNG_C_SPECIALFUNC (mng_special_phyg)
|
|
4532 |
{
|
|
4533 |
#ifdef MNG_SUPPORT_DISPLAY
|
|
4534 |
{
|
|
4535 |
|
|
4536 |
|
|
4537 |
/* TODO: something !!! */
|
|
4538 |
|
|
4539 |
|
|
4540 |
}
|
|
4541 |
#endif /* MNG_SUPPORT_DISPLAY */
|
|
4542 |
|
|
4543 |
return MNG_NOERROR; /* done */
|
|
4544 |
}
|
|
4545 |
#endif
|
|
4546 |
|
|
4547 |
/* ************************************************************************** */
|
|
4548 |
|
|
4549 |
#ifndef MNG_NO_DELTA_PNG
|
|
4550 |
MNG_C_SPECIALFUNC (mng_special_dhdr)
|
|
4551 |
{
|
|
4552 |
if ((((mng_dhdrp)pChunk)->iDeltatype == MNG_DELTATYPE_REPLACE) && (((mng_dhdrp)pChunk)->bHasblockloc))
|
|
4553 |
MNG_ERROR (pData, MNG_INVALIDLENGTH);
|
|
4554 |
if ((((mng_dhdrp)pChunk)->iDeltatype == MNG_DELTATYPE_NOCHANGE) && (((mng_dhdrp)pChunk)->bHasblocksize))
|
|
4555 |
MNG_ERROR (pData, MNG_INVALIDLENGTH);
|
|
4556 |
|
|
4557 |
pData->bHasDHDR = MNG_TRUE; /* inside a DHDR-IEND block now */
|
|
4558 |
pData->iDeltatype = ((mng_dhdrp)pChunk)->iDeltatype;
|
|
4559 |
|
|
4560 |
pData->iImagelevel++; /* one level deeper */
|
|
4561 |
|
|
4562 |
#ifdef MNG_SUPPORT_DISPLAY
|
|
4563 |
return mng_create_ani_dhdr (pData, pChunk);
|
|
4564 |
#else
|
|
4565 |
return MNG_NOERROR;
|
|
4566 |
#endif /* MNG_SUPPORT_DISPLAY */
|
|
4567 |
}
|
|
4568 |
#endif
|
|
4569 |
|
|
4570 |
/* ************************************************************************** */
|
|
4571 |
|
|
4572 |
#ifndef MNG_NO_DELTA_PNG
|
|
4573 |
MNG_C_SPECIALFUNC (mng_special_prom)
|
|
4574 |
{
|
|
4575 |
if ((((mng_promp)pChunk)->iColortype != MNG_COLORTYPE_GRAY ) &&
|
|
4576 |
(((mng_promp)pChunk)->iColortype != MNG_COLORTYPE_RGB ) &&
|
|
4577 |
(((mng_promp)pChunk)->iColortype != MNG_COLORTYPE_INDEXED) &&
|
|
4578 |
(((mng_promp)pChunk)->iColortype != MNG_COLORTYPE_GRAYA ) &&
|
|
4579 |
(((mng_promp)pChunk)->iColortype != MNG_COLORTYPE_RGBA ) )
|
|
4580 |
MNG_ERROR (pData, MNG_INVALIDCOLORTYPE);
|
|
4581 |
|
|
4582 |
#ifdef MNG_NO_16BIT_SUPPORT
|
|
4583 |
if (((mng_promp)pChunk)->iSampledepth == MNG_BITDEPTH_16 )
|
|
4584 |
((mng_promp)pChunk)->iSampledepth = MNG_BITDEPTH_8;
|
|
4585 |
#endif
|
|
4586 |
|
|
4587 |
if ((((mng_promp)pChunk)->iSampledepth != MNG_BITDEPTH_1 ) &&
|
|
4588 |
(((mng_promp)pChunk)->iSampledepth != MNG_BITDEPTH_2 ) &&
|
|
4589 |
(((mng_promp)pChunk)->iSampledepth != MNG_BITDEPTH_4 ) &&
|
|
4590 |
(((mng_promp)pChunk)->iSampledepth != MNG_BITDEPTH_8 )
|
|
4591 |
#ifndef MNG_NO_16BIT_SUPPORT
|
|
4592 |
&& (((mng_promp)pChunk)->iSampledepth != MNG_BITDEPTH_16)
|
|
4593 |
#endif
|
|
4594 |
)
|
|
4595 |
MNG_ERROR (pData, MNG_INVSAMPLEDEPTH);
|
|
4596 |
|
|
4597 |
#ifdef MNG_SUPPORT_DISPLAY
|
|
4598 |
{
|
|
4599 |
mng_retcode iRetcode = mng_create_ani_prom (pData, pChunk);
|
|
4600 |
if (iRetcode) /* on error bail out */
|
|
4601 |
return iRetcode;
|
|
4602 |
}
|
|
4603 |
#endif /* MNG_SUPPORT_DISPLAY */
|
|
4604 |
|
|
4605 |
return MNG_NOERROR; /* done */
|
|
4606 |
}
|
|
4607 |
#endif
|
|
4608 |
|
|
4609 |
/* ************************************************************************** */
|
|
4610 |
|
|
4611 |
#ifndef MNG_NO_DELTA_PNG
|
|
4612 |
MNG_C_SPECIALFUNC (mng_special_ipng)
|
|
4613 |
{
|
|
4614 |
#ifdef MNG_SUPPORT_DISPLAY
|
|
4615 |
mng_retcode iRetcode = mng_create_ani_ipng (pData);
|
|
4616 |
if (!iRetcode) /* process it */
|
|
4617 |
iRetcode = mng_process_display_ipng (pData);
|
|
4618 |
if (iRetcode) /* on error bail out */
|
|
4619 |
return iRetcode;
|
|
4620 |
#endif /* MNG_SUPPORT_DISPLAY */
|
|
4621 |
|
|
4622 |
return MNG_NOERROR; /* done */
|
|
4623 |
}
|
|
4624 |
#endif
|
|
4625 |
|
|
4626 |
/* ************************************************************************** */
|
|
4627 |
|
|
4628 |
#ifndef MNG_NO_DELTA_PNG
|
|
4629 |
MNG_F_SPECIALFUNC (mng_pplt_entries)
|
|
4630 |
{
|
|
4631 |
mng_ppltp pPPLT = (mng_ppltp)pChunk;
|
|
4632 |
mng_uint32 iRawlen = *piRawlen;
|
|
4633 |
mng_uint8p pRawdata = *ppRawdata;
|
|
4634 |
mng_uint8 iDeltatype = pPPLT->iDeltatype;
|
|
4635 |
mng_uint32 iMax = 0;
|
|
4636 |
mng_int32 iX, iY, iM;
|
|
4637 |
mng_rgbpaltab aIndexentries;
|
|
4638 |
mng_uint8arr aAlphaentries;
|
|
4639 |
mng_uint8arr aUsedentries;
|
|
4640 |
/* must be indexed color ! */
|
|
4641 |
if (pData->iColortype != MNG_COLORTYPE_INDEXED)
|
|
4642 |
MNG_ERROR (pData, MNG_INVALIDCOLORTYPE);
|
|
4643 |
|
|
4644 |
for (iY = 255; iY >= 0; iY--) /* reset arrays */
|
|
4645 |
{
|
|
4646 |
aIndexentries [iY].iRed = 0;
|
|
4647 |
aIndexentries [iY].iGreen = 0;
|
|
4648 |
aIndexentries [iY].iBlue = 0;
|
|
4649 |
aAlphaentries [iY] = 255;
|
|
4650 |
aUsedentries [iY] = 0;
|
|
4651 |
}
|
|
4652 |
|
|
4653 |
while (iRawlen) /* as long as there are entries left ... */
|
|
4654 |
{
|
|
4655 |
mng_uint32 iDiff;
|
|
4656 |
|
|
4657 |
if (iRawlen < 2)
|
|
4658 |
MNG_ERROR (pData, MNG_INVALIDLENGTH);
|
|
4659 |
|
|
4660 |
iX = (mng_int32)(*pRawdata); /* get start and end index */
|
|
4661 |
iM = (mng_int32)(*(pRawdata+1));
|
|
4662 |
|
|
4663 |
if (iM < iX)
|
|
4664 |
MNG_ERROR (pData, MNG_INVALIDINDEX);
|
|
4665 |
|
|
4666 |
if (iM >= (mng_int32) iMax) /* determine highest used index */
|
|
4667 |
iMax = iM + 1;
|
|
4668 |
|
|
4669 |
pRawdata += 2;
|
|
4670 |
iRawlen -= 2;
|
|
4671 |
iDiff = (iM - iX + 1);
|
|
4672 |
if ((iDeltatype == MNG_DELTATYPE_REPLACERGB ) ||
|
|
4673 |
(iDeltatype == MNG_DELTATYPE_DELTARGB ) )
|
|
4674 |
iDiff = iDiff * 3;
|
|
4675 |
else
|
|
4676 |
if ((iDeltatype == MNG_DELTATYPE_REPLACERGBA) ||
|
|
4677 |
(iDeltatype == MNG_DELTATYPE_DELTARGBA ) )
|
|
4678 |
iDiff = iDiff * 4;
|
|
4679 |
|
|
4680 |
if (iRawlen < iDiff)
|
|
4681 |
MNG_ERROR (pData, MNG_INVALIDLENGTH);
|
|
4682 |
|
|
4683 |
if ((iDeltatype == MNG_DELTATYPE_REPLACERGB ) ||
|
|
4684 |
(iDeltatype == MNG_DELTATYPE_DELTARGB ) )
|
|
4685 |
{
|
|
4686 |
for (iY = iX; iY <= iM; iY++)
|
|
4687 |
{
|
|
4688 |
aIndexentries [iY].iRed = *pRawdata;
|
|
4689 |
aIndexentries [iY].iGreen = *(pRawdata+1);
|
|
4690 |
aIndexentries [iY].iBlue = *(pRawdata+2);
|
|
4691 |
aUsedentries [iY] = 1;
|
|
4692 |
|
|
4693 |
pRawdata += 3;
|
|
4694 |
iRawlen -= 3;
|
|
4695 |
}
|
|
4696 |
}
|
|
4697 |
else
|
|
4698 |
if ((iDeltatype == MNG_DELTATYPE_REPLACEALPHA) ||
|
|
4699 |
(iDeltatype == MNG_DELTATYPE_DELTAALPHA ) )
|
|
4700 |
{
|
|
4701 |
for (iY = iX; iY <= iM; iY++)
|
|
4702 |
{
|
|
4703 |
aAlphaentries [iY] = *pRawdata;
|
|
4704 |
aUsedentries [iY] = 1;
|
|
4705 |
|
|
4706 |
pRawdata++;
|
|
4707 |
iRawlen--;
|
|
4708 |
}
|
|
4709 |
}
|
|
4710 |
else
|
|
4711 |
{
|
|
4712 |
for (iY = iX; iY <= iM; iY++)
|
|
4713 |
{
|
|
4714 |
aIndexentries [iY].iRed = *pRawdata;
|
|
4715 |
aIndexentries [iY].iGreen = *(pRawdata+1);
|
|
4716 |
aIndexentries [iY].iBlue = *(pRawdata+2);
|
|
4717 |
aAlphaentries [iY] = *(pRawdata+3);
|
|
4718 |
aUsedentries [iY] = 1;
|
|
4719 |
|
|
4720 |
pRawdata += 4;
|
|
4721 |
iRawlen -= 4;
|
|
4722 |
}
|
|
4723 |
}
|
|
4724 |
}
|
|
4725 |
|
|
4726 |
switch (pData->iBitdepth) /* check maximum allowed entries for bitdepth */
|
|
4727 |
{
|
|
4728 |
case MNG_BITDEPTH_1 : {
|
|
4729 |
if (iMax > 2)
|
|
4730 |
MNG_ERROR (pData, MNG_INVALIDINDEX);
|
|
4731 |
break;
|
|
4732 |
}
|
|
4733 |
case MNG_BITDEPTH_2 : {
|
|
4734 |
if (iMax > 4)
|
|
4735 |
MNG_ERROR (pData, MNG_INVALIDINDEX);
|
|
4736 |
break;
|
|
4737 |
}
|
|
4738 |
case MNG_BITDEPTH_4 : {
|
|
4739 |
if (iMax > 16)
|
|
4740 |
MNG_ERROR (pData, MNG_INVALIDINDEX);
|
|
4741 |
break;
|
|
4742 |
}
|
|
4743 |
}
|
|
4744 |
|
|
4745 |
pPPLT->iCount = iMax;
|
|
4746 |
|
|
4747 |
for (iY = 255; iY >= 0; iY--)
|
|
4748 |
{
|
|
4749 |
pPPLT->aEntries [iY].iRed = aIndexentries [iY].iRed;
|
|
4750 |
pPPLT->aEntries [iY].iGreen = aIndexentries [iY].iGreen;
|
|
4751 |
pPPLT->aEntries [iY].iBlue = aIndexentries [iY].iBlue;
|
|
4752 |
pPPLT->aEntries [iY].iAlpha = aAlphaentries [iY];
|
|
4753 |
pPPLT->aEntries [iY].bUsed = (mng_bool)(aUsedentries [iY]);
|
|
4754 |
}
|
|
4755 |
|
|
4756 |
{ /* create animation object */
|
|
4757 |
mng_retcode iRetcode = mng_create_ani_pplt (pData, iDeltatype, iMax,
|
|
4758 |
aIndexentries, aAlphaentries,
|
|
4759 |
aUsedentries);
|
|
4760 |
if (iRetcode)
|
|
4761 |
return iRetcode;
|
|
4762 |
}
|
|
4763 |
|
|
4764 |
*piRawlen = 0;
|
|
4765 |
|
|
4766 |
return MNG_NOERROR;
|
|
4767 |
}
|
|
4768 |
#endif
|
|
4769 |
|
|
4770 |
/* ************************************************************************** */
|
|
4771 |
|
|
4772 |
#ifndef MNG_NO_DELTA_PNG
|
|
4773 |
MNG_C_SPECIALFUNC (mng_special_pplt)
|
|
4774 |
{
|
|
4775 |
return MNG_NOERROR;
|
|
4776 |
}
|
|
4777 |
#endif
|
|
4778 |
|
|
4779 |
/* ************************************************************************** */
|
|
4780 |
|
|
4781 |
#ifndef MNG_NO_DELTA_PNG
|
|
4782 |
#ifdef MNG_INCLUDE_JNG
|
|
4783 |
MNG_C_SPECIALFUNC (mng_special_ijng)
|
|
4784 |
{
|
|
4785 |
#ifdef MNG_SUPPORT_DISPLAY
|
|
4786 |
mng_retcode iRetcode = mng_create_ani_ijng (pData);
|
|
4787 |
if (!iRetcode) /* process it */
|
|
4788 |
iRetcode = mng_process_display_ijng (pData);
|
|
4789 |
return iRetcode;
|
|
4790 |
#else
|
|
4791 |
return MNG_NOERROR; /* done */
|
|
4792 |
#endif /* MNG_SUPPORT_DISPLAY */
|
|
4793 |
}
|
|
4794 |
#endif
|
|
4795 |
#endif
|
|
4796 |
|
|
4797 |
/* ************************************************************************** */
|
|
4798 |
|
|
4799 |
#ifndef MNG_NO_DELTA_PNG
|
|
4800 |
MNG_F_SPECIALFUNC (mng_drop_entries)
|
|
4801 |
{
|
|
4802 |
mng_dropp pDROP = (mng_dropp)pChunk;
|
|
4803 |
mng_uint32 iRawlen = *piRawlen;
|
|
4804 |
mng_uint8p pRawdata = *ppRawdata;
|
|
4805 |
mng_uint32 iX;
|
|
4806 |
mng_uint32p pEntry;
|
|
4807 |
/* check length */
|
|
4808 |
if ((iRawlen < 4) || ((iRawlen % 4) != 0))
|
|
4809 |
MNG_ERROR (pData, MNG_INVALIDLENGTH);
|
|
4810 |
|
|
4811 |
MNG_ALLOC (pData, pEntry, iRawlen);
|
|
4812 |
pDROP->iCount = iRawlen / 4;
|
|
4813 |
pDROP->pChunknames = (mng_ptr)pEntry;
|
|
4814 |
|
|
4815 |
for (iX = pDROP->iCount; iX > 0; iX--)
|
|
4816 |
{
|
|
4817 |
*pEntry++ = mng_get_uint32 (pRawdata);
|
|
4818 |
pRawdata += 4;
|
|
4819 |
}
|
|
4820 |
|
|
4821 |
*piRawlen = 0;
|
|
4822 |
|
|
4823 |
return MNG_NOERROR;
|
|
4824 |
}
|
|
4825 |
#endif
|
|
4826 |
|
|
4827 |
/* ************************************************************************** */
|
|
4828 |
|
|
4829 |
#ifndef MNG_NO_DELTA_PNG
|
|
4830 |
MNG_C_SPECIALFUNC (mng_special_drop)
|
|
4831 |
{
|
|
4832 |
#ifdef MNG_SUPPORT_DISPLAY
|
|
4833 |
{
|
|
4834 |
|
|
4835 |
|
|
4836 |
/* TODO: something !!! */
|
|
4837 |
|
|
4838 |
|
|
4839 |
}
|
|
4840 |
#endif /* MNG_SUPPORT_DISPLAY */
|
|
4841 |
|
|
4842 |
return MNG_NOERROR; /* done */
|
|
4843 |
}
|
|
4844 |
#endif
|
|
4845 |
|
|
4846 |
/* ************************************************************************** */
|
|
4847 |
|
|
4848 |
#ifndef MNG_NO_DELTA_PNG
|
|
4849 |
#ifndef MNG_SKIPCHUNK_DBYK
|
|
4850 |
MNG_C_SPECIALFUNC (mng_special_dbyk)
|
|
4851 |
{
|
|
4852 |
#ifdef MNG_SUPPORT_DISPLAY
|
|
4853 |
{
|
|
4854 |
|
|
4855 |
|
|
4856 |
/* TODO: something !!! */
|
|
4857 |
|
|
4858 |
|
|
4859 |
}
|
|
4860 |
#endif /* MNG_SUPPORT_DISPLAY */
|
|
4861 |
|
|
4862 |
return MNG_NOERROR; /* done */
|
|
4863 |
}
|
|
4864 |
#endif
|
|
4865 |
#endif
|
|
4866 |
|
|
4867 |
/* ************************************************************************** */
|
|
4868 |
|
|
4869 |
#ifndef MNG_NO_DELTA_PNG
|
|
4870 |
#ifndef MNG_SKIPCHUNK_ORDR
|
|
4871 |
MNG_F_SPECIALFUNC (mng_ordr_entries)
|
|
4872 |
{
|
|
4873 |
mng_ordrp pORDR = (mng_ordrp)pChunk;
|
|
4874 |
mng_uint32 iRawlen = *piRawlen;
|
|
4875 |
mng_uint8p pRawdata = *ppRawdata;
|
|
4876 |
mng_uint32 iX;
|
|
4877 |
mng_ordr_entryp pEntry;
|
|
4878 |
/* check length */
|
|
4879 |
if ((iRawlen < 5) || ((iRawlen % 5) != 0))
|
|
4880 |
MNG_ERROR (pData, MNG_INVALIDLENGTH);
|
|
4881 |
|
|
4882 |
MNG_ALLOC (pData, pEntry, iRawlen);
|
|
4883 |
pORDR->iCount = iRawlen / 5;
|
|
4884 |
pORDR->pEntries = (mng_ptr)pEntry;
|
|
4885 |
|
|
4886 |
for (iX = pORDR->iCount; iX > 0; iX--)
|
|
4887 |
{
|
|
4888 |
pEntry->iChunkname = mng_get_uint32 (pRawdata);
|
|
4889 |
pEntry->iOrdertype = *(pRawdata+4);
|
|
4890 |
pEntry++;
|
|
4891 |
pRawdata += 5;
|
|
4892 |
}
|
|
4893 |
|
|
4894 |
*piRawlen = 0;
|
|
4895 |
|
|
4896 |
return MNG_NOERROR;
|
|
4897 |
}
|
|
4898 |
#endif
|
|
4899 |
#endif
|
|
4900 |
|
|
4901 |
/* ************************************************************************** */
|
|
4902 |
|
|
4903 |
#ifndef MNG_NO_DELTA_PNG
|
|
4904 |
#ifndef MNG_SKIPCHUNK_ORDR
|
|
4905 |
MNG_C_SPECIALFUNC (mng_special_ordr)
|
|
4906 |
{
|
|
4907 |
#ifdef MNG_SUPPORT_DISPLAY
|
|
4908 |
{
|
|
4909 |
|
|
4910 |
|
|
4911 |
/* TODO: something !!! */
|
|
4912 |
|
|
4913 |
|
|
4914 |
}
|
|
4915 |
#endif /* MNG_SUPPORT_DISPLAY */
|
|
4916 |
|
|
4917 |
return MNG_NOERROR; /* done */
|
|
4918 |
}
|
|
4919 |
#endif
|
|
4920 |
#endif
|
|
4921 |
|
|
4922 |
/* ************************************************************************** */
|
|
4923 |
|
|
4924 |
#ifndef MNG_SKIPCHUNK_MAGN
|
|
4925 |
MNG_F_SPECIALFUNC (mng_debunk_magn)
|
|
4926 |
{
|
|
4927 |
mng_magnp pMAGN = (mng_magnp)pChunk;
|
|
4928 |
mng_uint32 iRawlen = *piRawlen;
|
|
4929 |
mng_uint8p pRawdata = *ppRawdata;
|
|
4930 |
mng_bool bFaulty;
|
|
4931 |
/* check length */
|
|
4932 |
if (iRawlen > 20)
|
|
4933 |
MNG_ERROR (pData, MNG_INVALIDLENGTH);
|
|
4934 |
|
|
4935 |
/* following is an ugly hack to allow faulty layout caused by previous
|
|
4936 |
versions of libmng and MNGeye, which wrote MAGN with a 16-bit
|
|
4937 |
MethodX/MethodY (as opposed to the proper 8-bit as defined in the spec!) */
|
|
4938 |
|
|
4939 |
if ((iRawlen == 6) || (iRawlen == 8) || (iRawlen == 10) || (iRawlen == 12) ||
|
|
4940 |
(iRawlen == 14) || (iRawlen == 16) || (iRawlen == 20))
|
|
4941 |
bFaulty = MNG_TRUE; /* these lengths are all wrong */
|
|
4942 |
else /* length 18 can be right or wrong !!! */
|
|
4943 |
if ((iRawlen == 18) && (mng_get_uint16 (pRawdata+4) <= 5) &&
|
|
4944 |
(mng_get_uint16 (pRawdata+6) < 256) &&
|
|
4945 |
(mng_get_uint16 (pRawdata+8) < 256) &&
|
|
4946 |
(mng_get_uint16 (pRawdata+10) < 256) &&
|
|
4947 |
(mng_get_uint16 (pRawdata+12) < 256) &&
|
|
4948 |
(mng_get_uint16 (pRawdata+14) < 256) &&
|
|
4949 |
(mng_get_uint16 (pRawdata+16) < 256))
|
|
4950 |
bFaulty = MNG_TRUE; /* this is very likely the wrong layout */
|
|
4951 |
else
|
|
4952 |
bFaulty = MNG_FALSE; /* all other cases are handled as right */
|
|
4953 |
|
|
4954 |
if (bFaulty) /* wrong layout ? */
|
|
4955 |
{
|
|
4956 |
if (iRawlen > 0) /* get the fields */
|
|
4957 |
pMAGN->iFirstid = mng_get_uint16 (pRawdata);
|
|
4958 |
else
|
|
4959 |
pMAGN->iFirstid = 0;
|
|
4960 |
|
|
4961 |
if (iRawlen > 2)
|
|
4962 |
pMAGN->iLastid = mng_get_uint16 (pRawdata+2);
|
|
4963 |
else
|
|
4964 |
pMAGN->iLastid = pMAGN->iFirstid;
|
|
4965 |
|
|
4966 |
if (iRawlen > 4)
|
|
4967 |
pMAGN->iMethodX = (mng_uint8)(mng_get_uint16 (pRawdata+4));
|
|
4968 |
else
|
|
4969 |
pMAGN->iMethodX = 0;
|
|
4970 |
|
|
4971 |
if (iRawlen > 6)
|
|
4972 |
pMAGN->iMX = mng_get_uint16 (pRawdata+6);
|
|
4973 |
else
|
|
4974 |
pMAGN->iMX = 1;
|
|
4975 |
|
|
4976 |
if (iRawlen > 8)
|
|
4977 |
pMAGN->iMY = mng_get_uint16 (pRawdata+8);
|
|
4978 |
else
|
|
4979 |
pMAGN->iMY = pMAGN->iMX;
|
|
4980 |
|
|
4981 |
if (iRawlen > 10)
|
|
4982 |
pMAGN->iML = mng_get_uint16 (pRawdata+10);
|
|
4983 |
else
|
|
4984 |
pMAGN->iML = pMAGN->iMX;
|
|
4985 |
|
|
4986 |
if (iRawlen > 12)
|
|
4987 |
pMAGN->iMR = mng_get_uint16 (pRawdata+12);
|
|
4988 |
else
|
|
4989 |
pMAGN->iMR = pMAGN->iMX;
|
|
4990 |
|
|
4991 |
if (iRawlen > 14)
|
|
4992 |
pMAGN->iMT = mng_get_uint16 (pRawdata+14);
|
|
4993 |
else
|
|
4994 |
pMAGN->iMT = pMAGN->iMY;
|
|
4995 |
|
|
4996 |
if (iRawlen > 16)
|
|
4997 |
pMAGN->iMB = mng_get_uint16 (pRawdata+16);
|
|
4998 |
else
|
|
4999 |
pMAGN->iMB = pMAGN->iMY;
|
|
5000 |
|
|
5001 |
if (iRawlen > 18)
|
|
5002 |
pMAGN->iMethodY = (mng_uint8)(mng_get_uint16 (pRawdata+18));
|
|
5003 |
else
|
|
5004 |
pMAGN->iMethodY = pMAGN->iMethodX;
|
|
5005 |
}
|
|
5006 |
else /* proper layout !!!! */
|
|
5007 |
{
|
|
5008 |
if (iRawlen > 0) /* get the fields */
|
|
5009 |
pMAGN->iFirstid = mng_get_uint16 (pRawdata);
|
|
5010 |
else
|
|
5011 |
pMAGN->iFirstid = 0;
|
|
5012 |
|
|
5013 |
if (iRawlen > 2)
|
|
5014 |
pMAGN->iLastid = mng_get_uint16 (pRawdata+2);
|
|
5015 |
else
|
|
5016 |
pMAGN->iLastid = pMAGN->iFirstid;
|
|
5017 |
|
|
5018 |
if (iRawlen > 4)
|
|
5019 |
pMAGN->iMethodX = *(pRawdata+4);
|
|
5020 |
else
|
|
5021 |
pMAGN->iMethodX = 0;
|
|
5022 |
|
|
5023 |
if (iRawlen > 5)
|
|
5024 |
pMAGN->iMX = mng_get_uint16 (pRawdata+5);
|
|
5025 |
else
|
|
5026 |
pMAGN->iMX = 1;
|
|
5027 |
|
|
5028 |
if (iRawlen > 7)
|
|
5029 |
pMAGN->iMY = mng_get_uint16 (pRawdata+7);
|
|
5030 |
else
|
|
5031 |
pMAGN->iMY = pMAGN->iMX;
|
|
5032 |
|
|
5033 |
if (iRawlen > 9)
|
|
5034 |
pMAGN->iML = mng_get_uint16 (pRawdata+9);
|
|
5035 |
else
|
|
5036 |
pMAGN->iML = pMAGN->iMX;
|
|
5037 |
|
|
5038 |
if (iRawlen > 11)
|
|
5039 |
pMAGN->iMR = mng_get_uint16 (pRawdata+11);
|
|
5040 |
else
|
|
5041 |
pMAGN->iMR = pMAGN->iMX;
|
|
5042 |
|
|
5043 |
if (iRawlen > 13)
|
|
5044 |
pMAGN->iMT = mng_get_uint16 (pRawdata+13);
|
|
5045 |
else
|
|
5046 |
pMAGN->iMT = pMAGN->iMY;
|
|
5047 |
|
|
5048 |
if (iRawlen > 15)
|
|
5049 |
pMAGN->iMB = mng_get_uint16 (pRawdata+15);
|
|
5050 |
else
|
|
5051 |
pMAGN->iMB = pMAGN->iMY;
|
|
5052 |
|
|
5053 |
if (iRawlen > 17)
|
|
5054 |
pMAGN->iMethodY = *(pRawdata+17);
|
|
5055 |
else
|
|
5056 |
pMAGN->iMethodY = pMAGN->iMethodX;
|
|
5057 |
}
|
|
5058 |
/* check field validity */
|
|
5059 |
if ((pMAGN->iMethodX > 5) || (pMAGN->iMethodY > 5))
|
|
5060 |
MNG_ERROR (pData, MNG_INVALIDMETHOD);
|
|
5061 |
|
|
5062 |
*piRawlen = 0;
|
|
5063 |
|
|
5064 |
return MNG_NOERROR;
|
|
5065 |
}
|
|
5066 |
#endif
|
|
5067 |
|
|
5068 |
/* ************************************************************************** */
|
|
5069 |
|
|
5070 |
#ifndef MNG_SKIPCHUNK_MAGN
|
|
5071 |
MNG_C_SPECIALFUNC (mng_special_magn)
|
|
5072 |
{
|
|
5073 |
#ifdef MNG_SUPPORT_DISPLAY
|
|
5074 |
return mng_create_ani_magn (pData, pChunk);
|
|
5075 |
#else
|
|
5076 |
return MNG_NOERROR;
|
|
5077 |
#endif /* MNG_SUPPORT_DISPLAY */
|
|
5078 |
}
|
|
5079 |
#endif
|
|
5080 |
|
|
5081 |
/* ************************************************************************** */
|
|
5082 |
|
|
5083 |
#ifndef MNG_SKIPCHUNK_evNT
|
|
5084 |
MNG_F_SPECIALFUNC (mng_evnt_entries)
|
|
5085 |
{
|
|
5086 |
mng_evntp pEVNT = (mng_evntp)pChunk;
|
|
5087 |
mng_uint32 iRawlen;
|
|
5088 |
mng_uint8p pRawdata;
|
|
5089 |
#if defined(MNG_SUPPORT_DISPLAY) && defined(MNG_SUPPORT_DYNAMICMNG)
|
|
5090 |
mng_retcode iRetcode;
|
|
5091 |
#endif
|
|
5092 |
mng_uint8p pNull;
|
|
5093 |
mng_uint8 iEventtype;
|
|
5094 |
mng_uint8 iMasktype;
|
|
5095 |
mng_int32 iLeft;
|
|
5096 |
mng_int32 iRight;
|
|
5097 |
mng_int32 iTop;
|
|
5098 |
mng_int32 iBottom;
|
|
5099 |
mng_uint16 iObjectid;
|
|
5100 |
mng_uint8 iIndex;
|
|
5101 |
mng_uint32 iNamesize;
|
|
5102 |
mng_uint32 iCount = 0;
|
|
5103 |
mng_evnt_entryp pEntry = MNG_NULL;
|
|
5104 |
mng_uint32 iX;
|
|
5105 |
|
|
5106 |
for (iX = 0; iX < 2; iX++)
|
|
5107 |
{
|
|
5108 |
iRawlen = *piRawlen;
|
|
5109 |
pRawdata = *ppRawdata;
|
|
5110 |
|
|
5111 |
if (iX) /* second run ? */
|
|
5112 |
{
|
|
5113 |
MNG_ALLOC (pData, pEntry, (iCount * sizeof (mng_evnt_entry)));
|
|
5114 |
pEVNT->iCount = iCount;
|
|
5115 |
pEVNT->pEntries = pEntry;
|
|
5116 |
}
|
|
5117 |
|
|
5118 |
while (iRawlen) /* anything left ? */
|
|
5119 |
{
|
|
5120 |
if (iRawlen < 2) /* must have at least 2 bytes ! */
|
|
5121 |
MNG_ERROR (pData, MNG_INVALIDLENGTH);
|
|
5122 |
|
|
5123 |
iEventtype = *pRawdata; /* eventtype */
|
|
5124 |
if (iEventtype > 5)
|
|
5125 |
MNG_ERROR (pData, MNG_INVALIDEVENT);
|
|
5126 |
|
|
5127 |
pRawdata++;
|
|
5128 |
|
|
5129 |
iMasktype = *pRawdata; /* masktype */
|
|
5130 |
if (iMasktype > 5)
|
|
5131 |
MNG_ERROR (pData, MNG_INVALIDMASK);
|
|
5132 |
|
|
5133 |
pRawdata++;
|
|
5134 |
iRawlen -= 2;
|
|
5135 |
|
|
5136 |
iLeft = 0;
|
|
5137 |
iRight = 0;
|
|
5138 |
iTop = 0;
|
|
5139 |
iBottom = 0;
|
|
5140 |
iObjectid = 0;
|
|
5141 |
iIndex = 0;
|
|
5142 |
|
|
5143 |
switch (iMasktype)
|
|
5144 |
{
|
|
5145 |
case 1 :
|
|
5146 |
{
|
|
5147 |
if (iRawlen > 16)
|
|
5148 |
{
|
|
5149 |
iLeft = mng_get_int32 (pRawdata);
|
|
5150 |
iRight = mng_get_int32 (pRawdata+4);
|
|
5151 |
iTop = mng_get_int32 (pRawdata+8);
|
|
5152 |
iBottom = mng_get_int32 (pRawdata+12);
|
|
5153 |
pRawdata += 16;
|
|
5154 |
iRawlen -= 16;
|
|
5155 |
}
|
|
5156 |
else
|
|
5157 |
MNG_ERROR (pData, MNG_INVALIDLENGTH);
|
|
5158 |
break;
|
|
5159 |
}
|
|
5160 |
case 2 :
|
|
5161 |
{
|
|
5162 |
if (iRawlen > 2)
|
|
5163 |
{
|
|
5164 |
iObjectid = mng_get_uint16 (pRawdata);
|
|
5165 |
pRawdata += 2;
|
|
5166 |
iRawlen -= 2;
|
|
5167 |
}
|
|
5168 |
else
|
|
5169 |
MNG_ERROR (pData, MNG_INVALIDLENGTH);
|
|
5170 |
break;
|
|
5171 |
}
|
|
5172 |
case 3 :
|
|
5173 |
{
|
|
5174 |
if (iRawlen > 3)
|
|
5175 |
{
|
|
5176 |
iObjectid = mng_get_uint16 (pRawdata);
|
|
5177 |
iIndex = *(pRawdata+2);
|
|
5178 |
pRawdata += 3;
|
|
5179 |
iRawlen -= 3;
|
|
5180 |
}
|
|
5181 |
else
|
|
5182 |
MNG_ERROR (pData, MNG_INVALIDLENGTH);
|
|
5183 |
break;
|
|
5184 |
}
|
|
5185 |
case 4 :
|
|
5186 |
{
|
|
5187 |
if (iRawlen > 18)
|
|
5188 |
{
|
|
5189 |
iLeft = mng_get_int32 (pRawdata);
|
|
5190 |
iRight = mng_get_int32 (pRawdata+4);
|
|
5191 |
iTop = mng_get_int32 (pRawdata+8);
|
|
5192 |
iBottom = mng_get_int32 (pRawdata+12);
|
|
5193 |
iObjectid = mng_get_uint16 (pRawdata+16);
|
|
5194 |
pRawdata += 18;
|
|
5195 |
iRawlen -= 18;
|
|
5196 |
}
|
|
5197 |
else
|
|
5198 |
MNG_ERROR (pData, MNG_INVALIDLENGTH);
|
|
5199 |
break;
|
|
5200 |
}
|
|
5201 |
case 5 :
|
|
5202 |
{
|
|
5203 |
if (iRawlen > 19)
|
|
5204 |
{
|
|
5205 |
iLeft = mng_get_int32 (pRawdata);
|
|
5206 |
iRight = mng_get_int32 (pRawdata+4);
|
|
5207 |
iTop = mng_get_int32 (pRawdata+8);
|
|
5208 |
iBottom = mng_get_int32 (pRawdata+12);
|
|
5209 |
iObjectid = mng_get_uint16 (pRawdata+16);
|
|
5210 |
iIndex = *(pRawdata+18);
|
|
5211 |
pRawdata += 19;
|
|
5212 |
iRawlen -= 19;
|
|
5213 |
}
|
|
5214 |
else
|
|
5215 |
MNG_ERROR (pData, MNG_INVALIDLENGTH);
|
|
5216 |
break;
|
|
5217 |
}
|
|
5218 |
}
|
|
5219 |
|
|
5220 |
pNull = pRawdata; /* get the name length */
|
|
5221 |
while (*pNull)
|
|
5222 |
pNull++;
|
|
5223 |
|
|
5224 |
if ((pNull - pRawdata) > (mng_int32)iRawlen)
|
|
5225 |
{
|
|
5226 |
iNamesize = iRawlen; /* no null found; so end of evNT */
|
|
5227 |
iRawlen = 0;
|
|
5228 |
}
|
|
5229 |
else
|
|
5230 |
{
|
|
5231 |
iNamesize = pNull - pRawdata; /* should be another entry */
|
|
5232 |
iRawlen = iRawlen - iNamesize - 1;
|
|
5233 |
|
|
5234 |
if (!iRawlen) /* must not end with a null ! */
|
|
5235 |
MNG_ERROR (pData, MNG_ENDWITHNULL);
|
|
5236 |
}
|
|
5237 |
|
|
5238 |
if (!iX)
|
|
5239 |
{
|
|
5240 |
iCount++;
|
|
5241 |
}
|
|
5242 |
else
|
|
5243 |
{
|
|
5244 |
pEntry->iEventtype = iEventtype;
|
|
5245 |
pEntry->iMasktype = iMasktype;
|
|
5246 |
pEntry->iLeft = iLeft;
|
|
5247 |
pEntry->iRight = iRight;
|
|
5248 |
pEntry->iTop = iTop;
|
|
5249 |
pEntry->iBottom = iBottom;
|
|
5250 |
pEntry->iObjectid = iObjectid;
|
|
5251 |
pEntry->iIndex = iIndex;
|
|
5252 |
pEntry->iSegmentnamesize = iNamesize;
|
|
5253 |
|
|
5254 |
if (iNamesize)
|
|
5255 |
{
|
|
5256 |
MNG_ALLOC (pData, pEntry->zSegmentname, iNamesize+1);
|
|
5257 |
MNG_COPY (pEntry->zSegmentname, pRawdata, iNamesize);
|
|
5258 |
}
|
|
5259 |
|
|
5260 |
#if defined(MNG_SUPPORT_DISPLAY) && defined(MNG_SUPPORT_DYNAMICMNG)
|
|
5261 |
iRetcode = mng_create_event (pData, (mng_ptr)pEntry);
|
|
5262 |
if (iRetcode) /* on error bail out */
|
|
5263 |
return iRetcode;
|
|
5264 |
#endif
|
|
5265 |
|
|
5266 |
pEntry++;
|
|
5267 |
}
|
|
5268 |
|
|
5269 |
pRawdata = pRawdata + iNamesize + 1;
|
|
5270 |
}
|
|
5271 |
}
|
|
5272 |
|
|
5273 |
*piRawlen = 0;
|
|
5274 |
|
|
5275 |
return MNG_NOERROR;
|
|
5276 |
}
|
|
5277 |
#endif
|
|
5278 |
|
|
5279 |
/* ************************************************************************** */
|
|
5280 |
|
|
5281 |
#ifndef MNG_SKIPCHUNK_evNT
|
|
5282 |
MNG_C_SPECIALFUNC (mng_special_evnt)
|
|
5283 |
{
|
|
5284 |
return MNG_NOERROR;
|
|
5285 |
}
|
|
5286 |
#endif
|
|
5287 |
|
|
5288 |
/* ************************************************************************** */
|
|
5289 |
|
|
5290 |
#ifdef MNG_INCLUDE_MPNG_PROPOSAL
|
|
5291 |
MNG_C_SPECIALFUNC (mng_special_mpng)
|
|
5292 |
{
|
|
5293 |
if ((pData->eImagetype != mng_it_png) && (pData->eImagetype != mng_it_jng))
|
|
5294 |
MNG_ERROR (pData, MNG_CHUNKNOTALLOWED);
|
|
5295 |
|
|
5296 |
#ifdef MNG_SUPPORT_DISPLAY
|
|
5297 |
return mng_create_mpng_obj (pData, pChunk);
|
|
5298 |
#else
|
|
5299 |
return MNG_NOERROR;
|
|
5300 |
#endif
|
|
5301 |
}
|
|
5302 |
#endif
|
|
5303 |
|
|
5304 |
/* ************************************************************************** */
|
|
5305 |
|
|
5306 |
#ifdef MNG_INCLUDE_ANG_PROPOSAL
|
|
5307 |
MNG_C_SPECIALFUNC (mng_special_ahdr)
|
|
5308 |
{
|
|
5309 |
#ifdef MNG_SUPPORT_DISPLAY
|
|
5310 |
return mng_create_ang_obj (pData, pChunk);
|
|
5311 |
#else
|
|
5312 |
return MNG_NOERROR;
|
|
5313 |
#endif
|
|
5314 |
}
|
|
5315 |
#endif
|
|
5316 |
|
|
5317 |
/* ************************************************************************** */
|
|
5318 |
|
|
5319 |
#ifdef MNG_INCLUDE_ANG_PROPOSAL
|
|
5320 |
MNG_F_SPECIALFUNC (mng_adat_tiles)
|
|
5321 |
{
|
|
5322 |
if ((pData->eImagetype != mng_it_ang) || (!pData->pANG))
|
|
5323 |
MNG_ERROR (pData, MNG_CHUNKNOTALLOWED);
|
|
5324 |
|
|
5325 |
{
|
|
5326 |
mng_adatp pADAT = (mng_adatp)pChunk;
|
|
5327 |
mng_ang_objp pANG = (mng_ang_objp)pData->pANG;
|
|
5328 |
mng_uint32 iRawlen = *piRawlen;
|
|
5329 |
mng_uint8p pRawdata = *ppRawdata;
|
|
5330 |
mng_retcode iRetcode;
|
|
5331 |
mng_uint8p pBuf;
|
|
5332 |
mng_uint32 iBufsize;
|
|
5333 |
mng_uint32 iRealsize;
|
|
5334 |
mng_uint8p pTemp;
|
|
5335 |
mng_uint8p pTemp2;
|
|
5336 |
mng_int32 iX;
|
|
5337 |
mng_int32 iSize;
|
|
5338 |
|
|
5339 |
#ifdef MNG_SUPPORT_DISPLAY
|
|
5340 |
mng_imagep pImage;
|
|
5341 |
mng_int32 iTemplen;
|
|
5342 |
mng_uint8p pSwap;
|
|
5343 |
|
|
5344 |
mng_processobject pProcess;
|
|
5345 |
|
|
5346 |
mng_uint32 iSavedatawidth;
|
|
5347 |
mng_uint32 iSavedataheight;
|
|
5348 |
|
|
5349 |
mng_fptr fSaveinitrowproc;
|
|
5350 |
mng_fptr fSavestorerow;
|
|
5351 |
mng_fptr fSaveprocessrow;
|
|
5352 |
mng_fptr fSavedifferrow;
|
|
5353 |
mng_imagep fSavestoreobj;
|
|
5354 |
mng_imagedatap fSavestorebuf;
|
|
5355 |
|
|
5356 |
#ifdef MNG_OPTIMIZE_FOOTPRINT_INIT
|
|
5357 |
png_imgtype eSavepngimgtype;
|
|
5358 |
#endif
|
|
5359 |
|
|
5360 |
mng_uint8 iSaveinterlace;
|
|
5361 |
mng_int8 iSavepass;
|
|
5362 |
mng_int32 iSaverow;
|
|
5363 |
mng_int32 iSaverowinc;
|
|
5364 |
mng_int32 iSavecol;
|
|
5365 |
mng_int32 iSavecolinc;
|
|
5366 |
mng_int32 iSaverowsamples;
|
|
5367 |
mng_int32 iSavesamplemul;
|
|
5368 |
mng_int32 iSavesampleofs;
|
|
5369 |
mng_int32 iSavesamplediv;
|
|
5370 |
mng_int32 iSaverowsize;
|
|
5371 |
mng_int32 iSaverowmax;
|
|
5372 |
mng_int32 iSavefilterofs;
|
|
5373 |
mng_int32 iSavepixelofs;
|
|
5374 |
mng_uint32 iSavelevel0;
|
|
5375 |
mng_uint32 iSavelevel1;
|
|
5376 |
mng_uint32 iSavelevel2;
|
|
5377 |
mng_uint32 iSavelevel3;
|
|
5378 |
mng_uint8p pSaveworkrow;
|
|
5379 |
mng_uint8p pSaveprevrow;
|
|
5380 |
mng_uint8p pSaverGBArow;
|
|
5381 |
mng_bool bSaveisRGBA16;
|
|
5382 |
mng_bool bSaveisOpaque;
|
|
5383 |
mng_int32 iSavefilterbpp;
|
|
5384 |
|
|
5385 |
mng_int32 iSavedestl;
|
|
5386 |
mng_int32 iSavedestt;
|
|
5387 |
mng_int32 iSavedestr;
|
|
5388 |
mng_int32 iSavedestb;
|
|
5389 |
mng_int32 iSavesourcel;
|
|
5390 |
mng_int32 iSavesourcet;
|
|
5391 |
mng_int32 iSavesourcer;
|
|
5392 |
mng_int32 iSavesourceb;
|
|
5393 |
#endif /* MNG_SUPPORT_DISPLAY */
|
|
5394 |
|
|
5395 |
iRetcode = mng_inflate_buffer (pData, pRawdata, iRawlen,
|
|
5396 |
&pBuf, &iBufsize, &iRealsize);
|
|
5397 |
if (iRetcode) /* on error bail out */
|
|
5398 |
{ /* don't forget to drop the temp buffer */
|
|
5399 |
MNG_FREEX (pData, pBuf, iBufsize);
|
|
5400 |
return iRetcode;
|
|
5401 |
}
|
|
5402 |
/* get buffer for tile info in ADAT chunk */
|
|
5403 |
pADAT->iTilessize = pANG->iNumframes * sizeof(mng_adat_tile);
|
|
5404 |
MNG_ALLOCX (pData, pADAT->pTiles, pADAT->iTilessize);
|
|
5405 |
if (!pADAT->pTiles)
|
|
5406 |
{
|
|
5407 |
pADAT->iTilessize = 0;
|
|
5408 |
MNG_FREEX (pData, pBuf, iBufsize);
|
|
5409 |
MNG_ERROR (pData, MNG_OUTOFMEMORY);
|
|
5410 |
}
|
|
5411 |
|
|
5412 |
pTemp = pBuf;
|
|
5413 |
pTemp2 = (mng_uint8p)pADAT->pTiles;
|
|
5414 |
|
|
5415 |
if (!pANG->iStillused)
|
|
5416 |
iSize = 12;
|
|
5417 |
else
|
|
5418 |
iSize = 13;
|
|
5419 |
|
|
5420 |
for (iX = 0; iX < pANG->iNumframes; iX++)
|
|
5421 |
{
|
|
5422 |
MNG_COPY (pTemp2, pTemp, iSize);
|
|
5423 |
pTemp += iSize;
|
|
5424 |
pTemp2 += sizeof(mng_adat_tile);
|
|
5425 |
}
|
|
5426 |
|
|
5427 |
#ifdef MNG_SUPPORT_DISPLAY
|
|
5428 |
/* get buffer for tile info in ANG object */
|
|
5429 |
pANG->iTilessize = pADAT->iTilessize;
|
|
5430 |
MNG_ALLOCX (pData, pANG->pTiles, pANG->iTilessize);
|
|
5431 |
if (!pANG->pTiles)
|
|
5432 |
{
|
|
5433 |
pANG->iTilessize = 0;
|
|
5434 |
MNG_FREEX (pData, pBuf, iBufsize);
|
|
5435 |
MNG_ERROR (pData, MNG_OUTOFMEMORY);
|
|
5436 |
}
|
|
5437 |
/* copy it from the ADAT object */
|
|
5438 |
MNG_COPY (pANG->pTiles, pADAT->pTiles, pANG->iTilessize);
|
|
5439 |
|
|
5440 |
/* save IDAT work-parms */
|
|
5441 |
fSaveinitrowproc = pData->fInitrowproc;
|
|
5442 |
fSavestorerow = pData->fDisplayrow;
|
|
5443 |
fSaveprocessrow = pData->fProcessrow;
|
|
5444 |
fSavedifferrow = pData->fDifferrow;
|
|
5445 |
fSavestoreobj = pData->pStoreobj;
|
|
5446 |
fSavestorebuf = pData->pStorebuf;
|
|
5447 |
|
|
5448 |
#ifdef MNG_OPTIMIZE_FOOTPRINT_INIT
|
|
5449 |
eSavepngimgtype = pData->ePng_imgtype;
|
|
5450 |
#endif
|
|
5451 |
|
|
5452 |
iSavedatawidth = pData->iDatawidth;
|
|
5453 |
iSavedataheight = pData->iDataheight;
|
|
5454 |
iSaveinterlace = pData->iInterlace;
|
|
5455 |
iSavepass = pData->iPass;
|
|
5456 |
iSaverow = pData->iRow;
|
|
5457 |
iSaverowinc = pData->iRowinc;
|
|
5458 |
iSavecol = pData->iCol;
|
|
5459 |
iSavecolinc = pData->iColinc;
|
|
5460 |
iSaverowsamples = pData->iRowsamples;
|
|
5461 |
iSavesamplemul = pData->iSamplemul;
|
|
5462 |
iSavesampleofs = pData->iSampleofs;
|
|
5463 |
iSavesamplediv = pData->iSamplediv;
|
|
5464 |
iSaverowsize = pData->iRowsize;
|
|
5465 |
iSaverowmax = pData->iRowmax;
|
|
5466 |
iSavefilterofs = pData->iFilterofs;
|
|
5467 |
iSavepixelofs = pData->iPixelofs;
|
|
5468 |
iSavelevel0 = pData->iLevel0;
|
|
5469 |
iSavelevel1 = pData->iLevel1;
|
|
5470 |
iSavelevel2 = pData->iLevel2;
|
|
5471 |
iSavelevel3 = pData->iLevel3;
|
|
5472 |
pSaveworkrow = pData->pWorkrow;
|
|
5473 |
pSaveprevrow = pData->pPrevrow;
|
|
5474 |
pSaverGBArow = pData->pRGBArow;
|
|
5475 |
bSaveisRGBA16 = pData->bIsRGBA16;
|
|
5476 |
bSaveisOpaque = pData->bIsOpaque;
|
|
5477 |
iSavefilterbpp = pData->iFilterbpp;
|
|
5478 |
iSavedestl = pData->iDestl;
|
|
5479 |
iSavedestt = pData->iDestt;
|
|
5480 |
iSavedestr = pData->iDestr;
|
|
5481 |
iSavedestb = pData->iDestb;
|
|
5482 |
iSavesourcel = pData->iSourcel;
|
|
5483 |
iSavesourcet = pData->iSourcet;
|
|
5484 |
iSavesourcer = pData->iSourcer;
|
|
5485 |
iSavesourceb = pData->iSourceb;
|
|
5486 |
|
|
5487 |
pData->iDatawidth = pANG->iTilewidth;
|
|
5488 |
pData->iDataheight = pANG->iTileheight;
|
|
5489 |
|
|
5490 |
pData->iDestl = 0;
|
|
5491 |
pData->iDestt = 0;
|
|
5492 |
pData->iDestr = pANG->iTilewidth;
|
|
5493 |
pData->iDestb = pANG->iTileheight;
|
|
5494 |
pData->iSourcel = 0;
|
|
5495 |
pData->iSourcet = 0;
|
|
5496 |
pData->iSourcer = pANG->iTilewidth;
|
|
5497 |
pData->iSourceb = pANG->iTileheight;
|
|
5498 |
|
|
5499 |
pData->fInitrowproc = MNG_NULL;
|
|
5500 |
pData->fStorerow = MNG_NULL;
|
|
5501 |
pData->fProcessrow = MNG_NULL;
|
|
5502 |
pData->fDifferrow = MNG_NULL;
|
|
5503 |
|
|
5504 |
/* clone image object to store the pixel-data from object 0 */
|
|
5505 |
iRetcode = mng_clone_imageobject (pData, 1, MNG_FALSE, MNG_FALSE, MNG_FALSE,
|
|
5506 |
MNG_FALSE, 0, 0, 0, pData->pObjzero, &pImage);
|
|
5507 |
if (iRetcode) /* on error, drop temp buffer and bail */
|
|
5508 |
{
|
|
5509 |
MNG_FREEX (pData, pBuf, iBufsize);
|
|
5510 |
return iRetcode;
|
|
5511 |
}
|
|
5512 |
|
|
5513 |
/* make sure we got the right dimensions and interlacing */
|
|
5514 |
iRetcode = mng_reset_object_details (pData, pImage, pANG->iTilewidth, pANG->iTileheight,
|
|
5515 |
pImage->pImgbuf->iBitdepth, pImage->pImgbuf->iColortype,
|
|
5516 |
pImage->pImgbuf->iCompression, pImage->pImgbuf->iFilter,
|
|
5517 |
pANG->iInterlace, MNG_FALSE);
|
|
5518 |
if (iRetcode) /* on error, drop temp buffer and bail */
|
|
5519 |
{
|
|
5520 |
MNG_FREEX (pData, pBuf, iBufsize);
|
|
5521 |
return iRetcode;
|
|
5522 |
}
|
|
5523 |
|
|
5524 |
pData->pStoreobj = pImage;
|
|
5525 |
|
|
5526 |
#ifdef MNG_OPTIMIZE_FOOTPRINT_INIT
|
|
5527 |
pData->fInitrowproc = (mng_fptr)mng_init_rowproc;
|
|
5528 |
pData->ePng_imgtype = mng_png_imgtype(pData->iColortype,pData->iBitdepth);
|
|
5529 |
#else
|
|
5530 |
switch (pData->iColortype) /* determine row initialization routine */
|
|
5531 |
{
|
|
5532 |
case 0 : { /* gray */
|
|
5533 |
switch (pData->iBitdepth)
|
|
5534 |
{
|
|
5535 |
#ifndef MNG_NO_1_2_4BIT_SUPPORT
|
|
5536 |
case 1 : {
|
|
5537 |
if (!pData->iInterlace)
|
|
5538 |
pData->fInitrowproc = (mng_fptr)mng_init_g1_ni;
|
|
5539 |
else
|
|
5540 |
pData->fInitrowproc = (mng_fptr)mng_init_g1_i;
|
|
5541 |
|
|
5542 |
break;
|
|
5543 |
}
|
|
5544 |
case 2 : {
|
|
5545 |
if (!pData->iInterlace)
|
|
5546 |
pData->fInitrowproc = (mng_fptr)mng_init_g2_ni;
|
|
5547 |
else
|
|
5548 |
pData->fInitrowproc = (mng_fptr)mng_init_g2_i;
|
|
5549 |
|
|
5550 |
break;
|
|
5551 |
}
|
|
5552 |
case 4 : {
|
|
5553 |
if (!pData->iInterlace)
|
|
5554 |
pData->fInitrowproc = (mng_fptr)mng_init_g4_ni;
|
|
5555 |
else
|
|
5556 |
pData->fInitrowproc = (mng_fptr)mng_init_g4_i;
|
|
5557 |
break;
|
|
5558 |
}
|
|
5559 |
#endif /* MNG_NO_1_2_4BIT_SUPPORT */
|
|
5560 |
case 8 : {
|
|
5561 |
if (!pData->iInterlace)
|
|
5562 |
pData->fInitrowproc = (mng_fptr)mng_init_g8_ni;
|
|
5563 |
else
|
|
5564 |
pData->fInitrowproc = (mng_fptr)mng_init_g8_i;
|
|
5565 |
|
|
5566 |
break;
|
|
5567 |
}
|
|
5568 |
#ifndef MNG_NO_16BIT_SUPPORT
|
|
5569 |
case 16 : {
|
|
5570 |
if (!pData->iInterlace)
|
|
5571 |
pData->fInitrowproc = (mng_fptr)mng_init_g16_ni;
|
|
5572 |
else
|
|
5573 |
pData->fInitrowproc = (mng_fptr)mng_init_g16_i;
|
|
5574 |
|
|
5575 |
break;
|
|
5576 |
}
|
|
5577 |
#endif
|
|
5578 |
}
|
|
5579 |
|
|
5580 |
break;
|
|
5581 |
}
|
|
5582 |
case 2 : { /* rgb */
|
|
5583 |
switch (pData->iBitdepth)
|
|
5584 |
{
|
|
5585 |
case 8 : {
|
|
5586 |
if (!pData->iInterlace)
|
|
5587 |
pData->fInitrowproc = (mng_fptr)mng_init_rgb8_ni;
|
|
5588 |
else
|
|
5589 |
pData->fInitrowproc = (mng_fptr)mng_init_rgb8_i;
|
|
5590 |
break;
|
|
5591 |
}
|
|
5592 |
#ifndef MNG_NO_16BIT_SUPPORT
|
|
5593 |
case 16 : {
|
|
5594 |
if (!pData->iInterlace)
|
|
5595 |
pData->fInitrowproc = (mng_fptr)mng_init_rgb16_ni;
|
|
5596 |
else
|
|
5597 |
pData->fInitrowproc = (mng_fptr)mng_init_rgb16_i;
|
|
5598 |
|
|
5599 |
break;
|
|
5600 |
}
|
|
5601 |
#endif
|
|
5602 |
}
|
|
5603 |
|
|
5604 |
break;
|
|
5605 |
}
|
|
5606 |
case 3 : { /* indexed */
|
|
5607 |
switch (pData->iBitdepth)
|
|
5608 |
{
|
|
5609 |
#ifndef MNG_NO_1_2_4BIT_SUPPORT
|
|
5610 |
case 1 : {
|
|
5611 |
if (!pData->iInterlace)
|
|
5612 |
pData->fInitrowproc = (mng_fptr)mng_init_idx1_ni;
|
|
5613 |
else
|
|
5614 |
pData->fInitrowproc = (mng_fptr)mng_init_idx1_i;
|
|
5615 |
|
|
5616 |
break;
|
|
5617 |
}
|
|
5618 |
case 2 : {
|
|
5619 |
if (!pData->iInterlace)
|
|
5620 |
pData->fInitrowproc = (mng_fptr)mng_init_idx2_ni;
|
|
5621 |
else
|
|
5622 |
pData->fInitrowproc = (mng_fptr)mng_init_idx2_i;
|
|
5623 |
|
|
5624 |
break;
|
|
5625 |
}
|
|
5626 |
case 4 : {
|
|
5627 |
if (!pData->iInterlace)
|
|
5628 |
pData->fInitrowproc = (mng_fptr)mng_init_idx4_ni;
|
|
5629 |
else
|
|
5630 |
pData->fInitrowproc = (mng_fptr)mng_init_idx4_i;
|
|
5631 |
|
|
5632 |
break;
|
|
5633 |
}
|
|
5634 |
#endif /* MNG_NO_1_2_4BIT_SUPPORT */
|
|
5635 |
case 8 : {
|
|
5636 |
if (!pData->iInterlace)
|
|
5637 |
pData->fInitrowproc = (mng_fptr)mng_init_idx8_ni;
|
|
5638 |
else
|
|
5639 |
pData->fInitrowproc = (mng_fptr)mng_init_idx8_i;
|
|
5640 |
|
|
5641 |
break;
|
|
5642 |
}
|
|
5643 |
}
|
|
5644 |
|
|
5645 |
break;
|
|
5646 |
}
|
|
5647 |
case 4 : { /* gray+alpha */
|
|
5648 |
switch (pData->iBitdepth)
|
|
5649 |
{
|
|
5650 |
case 8 : {
|
|
5651 |
if (!pData->iInterlace)
|
|
5652 |
pData->fInitrowproc = (mng_fptr)mng_init_ga8_ni;
|
|
5653 |
else
|
|
5654 |
pData->fInitrowproc = (mng_fptr)mng_init_ga8_i;
|
|
5655 |
|
|
5656 |
break;
|
|
5657 |
}
|
|
5658 |
#ifndef MNG_NO_16BIT_SUPPORT
|
|
5659 |
case 16 : {
|
|
5660 |
if (!pData->iInterlace)
|
|
5661 |
pData->fInitrowproc = (mng_fptr)mng_init_ga16_ni;
|
|
5662 |
else
|
|
5663 |
pData->fInitrowproc = (mng_fptr)mng_init_ga16_i;
|
|
5664 |
break;
|
|
5665 |
}
|
|
5666 |
#endif
|
|
5667 |
}
|
|
5668 |
|
|
5669 |
break;
|
|
5670 |
}
|
|
5671 |
case 6 : { /* rgb+alpha */
|
|
5672 |
switch (pData->iBitdepth)
|
|
5673 |
{
|
|
5674 |
case 8 : {
|
|
5675 |
if (!pData->iInterlace)
|
|
5676 |
pData->fInitrowproc = (mng_fptr)mng_init_rgba8_ni;
|
|
5677 |
else
|
|
5678 |
pData->fInitrowproc = (mng_fptr)mng_init_rgba8_i;
|
|
5679 |
|
|
5680 |
break;
|
|
5681 |
}
|
|
5682 |
#ifndef MNG_NO_16BIT_SUPPORT
|
|
5683 |
case 16 : {
|
|
5684 |
if (!pData->iInterlace)
|
|
5685 |
pData->fInitrowproc = (mng_fptr)mng_init_rgba16_ni;
|
|
5686 |
else
|
|
5687 |
pData->fInitrowproc = (mng_fptr)mng_init_rgba16_i;
|
|
5688 |
|
|
5689 |
break;
|
|
5690 |
}
|
|
5691 |
#endif
|
|
5692 |
}
|
|
5693 |
|
|
5694 |
break;
|
|
5695 |
}
|
|
5696 |
}
|
|
5697 |
#endif /* MNG_OPTIMIZE_FOOTPRINT_INIT */
|
|
5698 |
|
|
5699 |
pData->iFilterofs = 0; /* determine filter characteristics */
|
|
5700 |
pData->iLevel0 = 0; /* default levels */
|
|
5701 |
pData->iLevel1 = 0;
|
|
5702 |
pData->iLevel2 = 0;
|
|
5703 |
pData->iLevel3 = 0;
|
|
5704 |
|
|
5705 |
#ifdef FILTER192 /* leveling & differing ? */
|
|
5706 |
if (pData->iFilter == MNG_FILTER_DIFFERING)
|
|
5707 |
{
|
|
5708 |
switch (pData->iColortype)
|
|
5709 |
{
|
|
5710 |
case 0 : {
|
|
5711 |
if (pData->iBitdepth <= 8)
|
|
5712 |
pData->iFilterofs = 1;
|
|
5713 |
else
|
|
5714 |
pData->iFilterofs = 2;
|
|
5715 |
|
|
5716 |
break;
|
|
5717 |
}
|
|
5718 |
case 2 : {
|
|
5719 |
if (pData->iBitdepth <= 8)
|
|
5720 |
pData->iFilterofs = 3;
|
|
5721 |
else
|
|
5722 |
pData->iFilterofs = 6;
|
|
5723 |
|
|
5724 |
break;
|
|
5725 |
}
|
|
5726 |
case 3 : {
|
|
5727 |
pData->iFilterofs = 1;
|
|
5728 |
break;
|
|
5729 |
}
|
|
5730 |
case 4 : {
|
|
5731 |
if (pData->iBitdepth <= 8)
|
|
5732 |
pData->iFilterofs = 2;
|
|
5733 |
else
|
|
5734 |
pData->iFilterofs = 4;
|
|
5735 |
|
|
5736 |
break;
|
|
5737 |
}
|
|
5738 |
case 6 : {
|
|
5739 |
if (pData->iBitdepth <= 8)
|
|
5740 |
pData->iFilterofs = 4;
|
|
5741 |
else
|
|
5742 |
pData->iFilterofs = 8;
|
|
5743 |
|
|
5744 |
break;
|
|
5745 |
}
|
|
5746 |
}
|
|
5747 |
}
|
|
5748 |
#endif
|
|
5749 |
|
|
5750 |
#ifdef FILTER193 /* no adaptive filtering ? */
|
|
5751 |
if (pData->iFilter == MNG_FILTER_NOFILTER)
|
|
5752 |
pData->iPixelofs = pData->iFilterofs;
|
|
5753 |
else
|
|
5754 |
#endif
|
|
5755 |
pData->iPixelofs = pData->iFilterofs + 1;
|
|
5756 |
|
|
5757 |
if (pData->fInitrowproc) /* need to initialize row processing? */
|
|
5758 |
{
|
|
5759 |
iRetcode = ((mng_initrowproc)pData->fInitrowproc) (pData);
|
|
5760 |
if (iRetcode)
|
|
5761 |
{
|
|
5762 |
MNG_FREEX (pData, pBuf, iBufsize);
|
|
5763 |
return iRetcode;
|
|
5764 |
}
|
|
5765 |
}
|
|
5766 |
/* calculate remainder of buffer */
|
|
5767 |
pTemp = pBuf + (mng_int32)(pANG->iNumframes * iSize);
|
|
5768 |
iTemplen = iRealsize - (mng_int32)(pANG->iNumframes * iSize);
|
|
5769 |
|
|
5770 |
do
|
|
5771 |
{
|
|
5772 |
if (iTemplen > pData->iRowmax) /* get a pixel-row from the temp buffer */
|
|
5773 |
{
|
|
5774 |
MNG_COPY (pData->pWorkrow, pTemp, pData->iRowmax);
|
|
5775 |
}
|
|
5776 |
else
|
|
5777 |
{
|
|
5778 |
MNG_COPY (pData->pWorkrow, pTemp, iTemplen);
|
|
5779 |
}
|
|
5780 |
|
|
5781 |
{ /* image not completed yet ? */
|
|
5782 |
if (pData->iRow < (mng_int32)pData->iDataheight)
|
|
5783 |
{
|
|
5784 |
#ifdef MNG_NO_1_2_4BIT_SUPPORT
|
|
5785 |
if (pData->iPNGdepth == 1)
|
|
5786 |
{
|
|
5787 |
/* Inflate Workrow to 8-bit */
|
|
5788 |
mng_int32 iX;
|
|
5789 |
mng_uint8p pSrc = pData->pWorkrow+1;
|
|
5790 |
mng_uint8p pDest = pSrc + pData->iRowsize - (pData->iRowsize+7)/8;
|
|
5791 |
|
|
5792 |
for (iX = ((pData->iRowsize+7)/8) ; iX > 0 ; iX--)
|
|
5793 |
*pDest++ = *pSrc++;
|
|
5794 |
|
|
5795 |
pDest = pData->pWorkrow+1;
|
|
5796 |
pSrc = pDest + pData->iRowsize - (pData->iRowsize+7)/8;
|
|
5797 |
for (iX = pData->iRowsize; ;)
|
|
5798 |
{
|
|
5799 |
*pDest++ = (((*pSrc)>>7)&1);
|
|
5800 |
if (iX-- <= 0)
|
|
5801 |
break;
|
|
5802 |
*pDest++ = (((*pSrc)>>6)&1);
|
|
5803 |
if (iX-- <= 0)
|
|
5804 |
break;
|
|
5805 |
*pDest++ = (((*pSrc)>>5)&1);
|
|
5806 |
if (iX-- <= 0)
|
|
5807 |
break;
|
|
5808 |
*pDest++ = (((*pSrc)>>4)&1);
|
|
5809 |
if (iX-- <= 0)
|
|
5810 |
break;
|
|
5811 |
*pDest++ = (((*pSrc)>>3)&1);
|
|
5812 |
if (iX-- <= 0)
|
|
5813 |
break;
|
|
5814 |
*pDest++ = (((*pSrc)>>2)&1);
|
|
5815 |
if (iX-- <= 0)
|
|
5816 |
break;
|
|
5817 |
*pDest++ = (((*pSrc)>>1)&1);
|
|
5818 |
if (iX-- <= 0)
|
|
5819 |
break;
|
|
5820 |
*pDest++ = (((*pSrc) )&1);
|
|
5821 |
if (iX-- <= 0)
|
|
5822 |
break;
|
|
5823 |
pSrc++;
|
|
5824 |
}
|
|
5825 |
}
|
|
5826 |
else if (pData->iPNGdepth == 2)
|
|
5827 |
{
|
|
5828 |
/* Inflate Workrow to 8-bit */
|
|
5829 |
mng_int32 iX;
|
|
5830 |
mng_uint8p pSrc = pData->pWorkrow+1;
|
|
5831 |
mng_uint8p pDest = pSrc + pData->iRowsize - (2*pData->iRowsize+7)/8;
|
|
5832 |
|
|
5833 |
for (iX = ((2*pData->iRowsize+7)/8) ; iX > 0 ; iX--)
|
|
5834 |
*pDest++ = *pSrc++;
|
|
5835 |
|
|
5836 |
pDest = pData->pWorkrow+1;
|
|
5837 |
pSrc = pDest + pData->iRowsize - (2*pData->iRowsize+7)/8;
|
|
5838 |
for (iX = pData->iRowsize; ;)
|
|
5839 |
{
|
|
5840 |
*pDest++ = (((*pSrc)>>6)&3);
|
|
5841 |
if (iX-- <= 0)
|
|
5842 |
break;
|
|
5843 |
*pDest++ = (((*pSrc)>>4)&3);
|
|
5844 |
if (iX-- <= 0)
|
|
5845 |
break;
|
|
5846 |
*pDest++ = (((*pSrc)>>2)&3);
|
|
5847 |
if (iX-- <= 0)
|
|
5848 |
break;
|
|
5849 |
*pDest++ = (((*pSrc) )&3);
|
|
5850 |
if (iX-- <= 0)
|
|
5851 |
break;
|
|
5852 |
pSrc++;
|
|
5853 |
}
|
|
5854 |
}
|
|
5855 |
else if (pData->iPNGdepth == 4)
|
|
5856 |
{
|
|
5857 |
/* Inflate Workrow to 8-bit */
|
|
5858 |
mng_int32 iX;
|
|
5859 |
mng_uint8p pSrc = pData->pWorkrow+1;
|
|
5860 |
mng_uint8p pDest = pSrc + pData->iRowsize - (4*pData->iRowsize+7)/8;
|
|
5861 |
|
|
5862 |
for (iX = ((4*pData->iRowsize+7)/8) ; iX > 0 ; iX--)
|
|
5863 |
*pDest++ = *pSrc++;
|
|
5864 |
|
|
5865 |
pDest = pData->pWorkrow+1;
|
|
5866 |
pSrc = pDest + pData->iRowsize - (4*pData->iRowsize+7)/8;
|
|
5867 |
for (iX = pData->iRowsize; ;)
|
|
5868 |
{
|
|
5869 |
*pDest++ = (((*pSrc)>>4)&0x0f);
|
|
5870 |
if (iX-- <= 0)
|
|
5871 |
break;
|
|
5872 |
*pDest++ = (((*pSrc) )&0x0f);
|
|
5873 |
if (iX-- <= 0)
|
|
5874 |
break;
|
|
5875 |
pSrc++;
|
|
5876 |
}
|
|
5877 |
}
|
|
5878 |
if (pData->iPNGdepth < 8 && pData->iColortype == 0)
|
|
5879 |
{
|
|
5880 |
/* Expand samples to 8-bit by LBR */
|
|
5881 |
mng_int32 iX;
|
|
5882 |
mng_uint8p pSrc = pData->pWorkrow+1;
|
|
5883 |
mng_uint8 multiplier[]={0,255,85,0,17,0,0,0,1};
|
|
5884 |
|
|
5885 |
for (iX = pData->iRowsize; iX > 0; iX--)
|
|
5886 |
*pSrc++ *= multiplier[pData->iPNGdepth];
|
|
5887 |
}
|
|
5888 |
#endif
|
|
5889 |
#ifdef MNG_NO_16BIT_SUPPORT
|
|
5890 |
if (pData->iPNGdepth > 8)
|
|
5891 |
{
|
|
5892 |
/* Reduce Workrow to 8-bit */
|
|
5893 |
mng_int32 iX;
|
|
5894 |
mng_uint8p pSrc = pData->pWorkrow+1;
|
|
5895 |
mng_uint8p pDest = pSrc;
|
|
5896 |
|
|
5897 |
for (iX = pData->iRowsize; iX > 0; iX--)
|
|
5898 |
{
|
|
5899 |
*pDest = *pSrc;
|
|
5900 |
pDest++;
|
|
5901 |
pSrc+=2;
|
|
5902 |
}
|
|
5903 |
}
|
|
5904 |
#endif
|
|
5905 |
|
|
5906 |
#ifdef FILTER192 /* has leveling info ? */
|
|
5907 |
if (pData->iFilterofs == MNG_FILTER_DIFFERING)
|
|
5908 |
iRetcode = init_rowdiffering (pData);
|
|
5909 |
else
|
|
5910 |
#endif
|
|
5911 |
iRetcode = MNG_NOERROR;
|
|
5912 |
/* filter the row if necessary */
|
|
5913 |
if ((!iRetcode) && (pData->iFilterofs < pData->iPixelofs ) &&
|
|
5914 |
(*(pData->pWorkrow + pData->iFilterofs)) )
|
|
5915 |
iRetcode = mng_filter_a_row (pData);
|
|
5916 |
|
|
5917 |
/* additional leveling/differing ? */
|
|
5918 |
if ((!iRetcode) && (pData->fDifferrow))
|
|
5919 |
{
|
|
5920 |
iRetcode = ((mng_differrow)pData->fDifferrow) (pData);
|
|
5921 |
|
|
5922 |
pSwap = pData->pWorkrow;
|
|
5923 |
pData->pWorkrow = pData->pPrevrow;
|
|
5924 |
pData->pPrevrow = pSwap; /* make sure we're processing the right data */
|
|
5925 |
}
|
|
5926 |
|
|
5927 |
if (!iRetcode)
|
|
5928 |
{
|
|
5929 |
{ /* process this row */
|
|
5930 |
if ((!iRetcode) && (pData->fProcessrow))
|
|
5931 |
iRetcode = ((mng_processrow)pData->fProcessrow) (pData);
|
|
5932 |
/* store in object ? */
|
|
5933 |
if ((!iRetcode) && (pData->fStorerow))
|
|
5934 |
iRetcode = ((mng_storerow)pData->fStorerow) (pData);
|
|
5935 |
}
|
|
5936 |
}
|
|
5937 |
|
|
5938 |
if (iRetcode) /* on error bail out */
|
|
5939 |
{
|
|
5940 |
MNG_FREEX (pData, pBuf, iBufsize);
|
|
5941 |
MNG_ERROR (pData, iRetcode);
|
|
5942 |
}
|
|
5943 |
|
|
5944 |
if (!pData->fDifferrow) /* swap row-pointers */
|
|
5945 |
{
|
|
5946 |
pSwap = pData->pWorkrow;
|
|
5947 |
pData->pWorkrow = pData->pPrevrow;
|
|
5948 |
pData->pPrevrow = pSwap; /* so prev points to the processed row! */
|
|
5949 |
}
|
|
5950 |
/* adjust variables for next row */
|
|
5951 |
iRetcode = mng_next_row (pData);
|
|
5952 |
|
|
5953 |
if (iRetcode) /* on error bail out */
|
|
5954 |
{
|
|
5955 |
MNG_FREEX (pData, pBuf, iBufsize);
|
|
5956 |
MNG_ERROR (pData, iRetcode);
|
|
5957 |
}
|
|
5958 |
}
|
|
5959 |
}
|
|
5960 |
|
|
5961 |
pTemp += pData->iRowmax;
|
|
5962 |
iTemplen -= pData->iRowmax;
|
|
5963 |
} /* until some error or EOI
|
|
5964 |
or all pixels received */
|
|
5965 |
while ( (iTemplen > 0) &&
|
|
5966 |
( (pData->iRow < (mng_int32)pData->iDataheight) ||
|
|
5967 |
( (pData->iPass >= 0) && (pData->iPass < 7) ) ) );
|
|
5968 |
|
|
5969 |
mng_cleanup_rowproc (pData); /* cleanup row processing buffers !! */
|
|
5970 |
|
|
5971 |
/* restore saved work-parms */
|
|
5972 |
pData->iDatawidth = iSavedatawidth;
|
|
5973 |
pData->iDataheight = iSavedataheight;
|
|
5974 |
|
|
5975 |
pData->fInitrowproc = fSaveinitrowproc;
|
|
5976 |
pData->fDisplayrow = fSavestorerow;
|
|
5977 |
pData->fProcessrow = fSaveprocessrow;
|
|
5978 |
pData->fDifferrow = fSavedifferrow;
|
|
5979 |
pData->pStoreobj = fSavestoreobj;
|
|
5980 |
pData->pStorebuf = fSavestorebuf;
|
|
5981 |
|
|
5982 |
#ifdef MNG_OPTIMIZE_FOOTPRINT_INIT
|
|
5983 |
pData->ePng_imgtype = eSavepngimgtype;
|
|
5984 |
#endif
|
|
5985 |
|
|
5986 |
pData->iInterlace = iSaveinterlace;
|
|
5987 |
pData->iPass = iSavepass;
|
|
5988 |
pData->iRow = iSaverow;
|
|
5989 |
pData->iRowinc = iSaverowinc;
|
|
5990 |
pData->iCol = iSavecol;
|
|
5991 |
pData->iColinc = iSavecolinc;
|
|
5992 |
pData->iRowsamples = iSaverowsamples;
|
|
5993 |
pData->iSamplemul = iSavesamplemul;
|
|
5994 |
pData->iSampleofs = iSavesampleofs;
|
|
5995 |
pData->iSamplediv = iSavesamplediv;
|
|
5996 |
pData->iRowsize = iSaverowsize;
|
|
5997 |
pData->iRowmax = iSaverowmax;
|
|
5998 |
pData->iFilterofs = iSavefilterofs;
|
|
5999 |
pData->iPixelofs = iSavepixelofs;
|
|
6000 |
pData->iLevel0 = iSavelevel0;
|
|
6001 |
pData->iLevel1 = iSavelevel1;
|
|
6002 |
pData->iLevel2 = iSavelevel2;
|
|
6003 |
pData->iLevel3 = iSavelevel3;
|
|
6004 |
pData->pWorkrow = pSaveworkrow;
|
|
6005 |
pData->pPrevrow = pSaveprevrow;
|
|
6006 |
pData->pRGBArow = pSaverGBArow;
|
|
6007 |
pData->bIsRGBA16 = bSaveisRGBA16;
|
|
6008 |
pData->bIsOpaque = bSaveisOpaque;
|
|
6009 |
pData->iFilterbpp = iSavefilterbpp;
|
|
6010 |
pData->iDestl = iSavedestl;
|
|
6011 |
pData->iDestt = iSavedestt;
|
|
6012 |
pData->iDestr = iSavedestr;
|
|
6013 |
pData->iDestb = iSavedestb;
|
|
6014 |
pData->iSourcel = iSavesourcel;
|
|
6015 |
pData->iSourcet = iSavesourcet;
|
|
6016 |
pData->iSourcer = iSavesourcer;
|
|
6017 |
pData->iSourceb = iSavesourceb;
|
|
6018 |
|
|
6019 |
/* create the animation directives ! */
|
|
6020 |
pProcess = (mng_processobject)pANG->sHeader.fProcess;
|
|
6021 |
iRetcode = pProcess (pData, (mng_objectp)pData->pANG);
|
|
6022 |
if (iRetcode)
|
|
6023 |
return iRetcode;
|
|
6024 |
|
|
6025 |
#endif /* MNG_SUPPORT_DISPLAY */
|
|
6026 |
|
|
6027 |
MNG_FREE (pData, pBuf, iBufsize); /* always free the temp buffer ! */
|
|
6028 |
}
|
|
6029 |
|
|
6030 |
*piRawlen = 0;
|
|
6031 |
|
|
6032 |
return MNG_NOERROR;
|
|
6033 |
}
|
|
6034 |
#endif
|
|
6035 |
|
|
6036 |
/* ************************************************************************** */
|
|
6037 |
|
|
6038 |
#ifdef MNG_INCLUDE_ANG_PROPOSAL
|
|
6039 |
MNG_C_SPECIALFUNC (mng_special_adat)
|
|
6040 |
{
|
|
6041 |
return MNG_NOERROR;
|
|
6042 |
}
|
|
6043 |
#endif
|
|
6044 |
|
|
6045 |
/* ************************************************************************** */
|
|
6046 |
|
|
6047 |
MNG_C_SPECIALFUNC (mng_special_unknown)
|
|
6048 |
{
|
|
6049 |
/* critical chunk ? */
|
|
6050 |
if ((((mng_uint32)pData->iChunkname & 0x20000000) == 0)
|
|
6051 |
#ifdef MNG_SKIPCHUNK_SAVE
|
|
6052 |
&& (pData->iChunkname != MNG_UINT_SAVE)
|
|
6053 |
#endif
|
|
6054 |
#ifdef MNG_SKIPCHUNK_SEEK
|
|
6055 |
&& (pData->iChunkname != MNG_UINT_SEEK)
|
|
6056 |
#endif
|
|
6057 |
#ifdef MNG_SKIPCHUNK_DBYK
|
|
6058 |
&& (pData->iChunkname != MNG_UINT_DBYK)
|
|
6059 |
#endif
|
|
6060 |
#ifdef MNG_SKIPCHUNK_ORDR
|
|
6061 |
&& (pData->iChunkname != MNG_UINT_ORDR)
|
|
6062 |
#endif
|
|
6063 |
)
|
|
6064 |
MNG_ERROR (pData, MNG_UNKNOWNCRITICAL);
|
|
6065 |
|
|
6066 |
if (pData->fProcessunknown) /* let the app handle it ? */
|
|
6067 |
{
|
|
6068 |
mng_bool bOke = pData->fProcessunknown ((mng_handle)pData, pData->iChunkname,
|
|
6069 |
((mng_unknown_chunkp)pChunk)->iDatasize,
|
|
6070 |
((mng_unknown_chunkp)pChunk)->pData);
|
|
6071 |
if (!bOke)
|
|
6072 |
MNG_ERROR (pData, MNG_APPMISCERROR);
|
|
6073 |
}
|
|
6074 |
|
|
6075 |
return MNG_NOERROR; /* done */
|
|
6076 |
}
|
|
6077 |
|
|
6078 |
/* ************************************************************************** */
|
|
6079 |
|
|
6080 |
#endif /* MNG_INCLUDE_READ_PROCS || MNG_INCLUDE_WRITE_PROCS */
|
|
6081 |
#endif /* MNG_OPTIMIZE_CHUNKREADER */
|
|
6082 |
|
|
6083 |
/* ************************************************************************** */
|
|
6084 |
/* * end of file * */
|
|
6085 |
/* ************************************************************************** */
|
|
6086 |
|
|
6087 |
|
|
6088 |
|
|
6089 |
|
|
6090 |
|