--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/src/3rdparty/libmng/libmng_prop_xs.c	Mon Jan 11 14:00:40 2010 +0000
@@ -0,0 +1,2799 @@
+/* ************************************************************************** */
+/* *             For conditions of distribution and use,                    * */
+/* *                see copyright notice in libmng.h                        * */
+/* ************************************************************************** */
+/* *                                                                        * */
+/* * project   : libmng                                                     * */
+/* * file      : libmng_prop_xs.c          copyright (c) 2000-2006 G.Juyn   * */
+/* * version   : 1.0.10                                                     * */
+/* *                                                                        * */
+/* * purpose   : property get/set interface (implementation)                * */
+/* *                                                                        * */
+/* * author    : G.Juyn                                                     * */
+/* *                                                                        * */
+/* * comment   : implementation of the property get/set functions           * */
+/* *                                                                        * */
+/* * changes   : 0.5.1 - 05/08/2000 - G.Juyn                                * */
+/* *             - fixed calling convention                                 * */
+/* *             - changed strict-ANSI stuff                                * */
+/* *             0.5.1 - 05/11/2000 - G.Juyn                                * */
+/* *             - added set_outputprofile2 & set_srgbprofile2              * */
+/* *             0.5.1 - 05/12/2000 - G.Juyn                                * */
+/* *             - changed trace to macro for callback error-reporting      * */
+/* *                                                                        * */
+/* *             0.5.2 - 05/23/2000 - G.Juyn                                * */
+/* *             - changed inclusion of cms-routines                        * */
+/* *             0.5.2 - 05/24/2000 - G.Juyn                                * */
+/* *             - added support for get/set default zlib/IJG parms         * */
+/* *             0.5.2 - 05/31/2000 - G.Juyn                                * */
+/* *             - fixed up punctuation (contribution by Tim Rowley)        * */
+/* *             0.5.2 - 06/05/2000 - G.Juyn                                * */
+/* *             - added support for RGB8_A8 canvasstyle                    * */
+/* *                                                                        * */
+/* *             0.5.3 - 06/21/2000 - G.Juyn                                * */
+/* *             - added get/set for speedtype to facilitate testing        * */
+/* *             - added get for imagelevel during processtext callback     * */
+/* *             0.5.3 - 06/26/2000 - G.Juyn                                * */
+/* *             - changed userdata variable to mng_ptr                     * */
+/* *             0.5.3 - 06/29/2000 - G.Juyn                                * */
+/* *             - fixed incompatible return-types                          * */
+/* *                                                                        * */
+/* *             0.9.1 - 07/08/2000 - G.Juyn                                * */
+/* *             - added get routines for internal display variables        * */
+/* *             - added get/set routines for suspensionmode variable       * */
+/* *             0.9.1 - 07/15/2000 - G.Juyn                                * */
+/* *             - added get/set routines for sectionbreak variable         * */
+/* *                                                                        * */
+/* *             0.9.2 - 07/31/2000 - G.Juyn                                * */
+/* *             - added status_xxxx functions                              * */
+/* *             0.9.2 - 08/05/2000 - G.Juyn                                * */
+/* *             - changed file-prefixes                                    * */
+/* *                                                                        * */
+/* *             0.9.3 - 10/10/2000 - G.Juyn                                * */
+/* *             - added support for alpha-depth prediction                 * */
+/* *             0.9.3 - 10/16/2000 - G.Juyn                                * */
+/* *             - added functions to retrieve PNG/JNG specific header-info * */
+/* *             0.9.3 - 10/20/2000 - G.Juyn                                * */
+/* *             - added get/set for bKGD preference setting                * */
+/* *             0.9.3 - 10/21/2000 - G.Juyn                                * */
+/* *             - added get function for interlace/progressive display     * */
+/* *                                                                        * */
+/* *             1.0.1 - 04/21/2001 - G.Juyn (code by G.Kelly)              * */
+/* *             - added BGRA8 canvas with premultiplied alpha              * */
+/* *             1.0.1 - 05/02/2001 - G.Juyn                                * */
+/* *             - added "default" sRGB generation (Thanks Marti!)          * */
+/* *                                                                        * */
+/* *             1.0.2 - 06/23/2001 - G.Juyn                                * */
+/* *             - added optimization option for MNG-video playback         * */
+/* *             1.0.2 - 06/25/2001 - G.Juyn                                * */
+/* *             - added option to turn off progressive refresh             * */
+/* *                                                                        * */
+/* *             1.0.3 - 08/06/2001 - G.Juyn                                * */
+/* *             - added get function for last processed BACK chunk         * */
+/* *                                                                        * */
+/* *             1.0.4 - 06/22/2002 - G.Juyn                                * */
+/* *             - B495442 - invalid returnvalue in mng_get_suspensionmode  * */
+/* *                                                                        * */
+/* *             1.0.5 - 09/14/2002 - G.Juyn                                * */
+/* *             - added event handling for dynamic MNG                     * */
+/* *             1.0.5 - 09/22/2002 - G.Juyn                                * */
+/* *             - added bgrx8 canvas (filler byte)                         * */
+/* *             1.0.5 - 11/07/2002 - G.Juyn                                * */
+/* *             - added support to get totals after mng_read()             * */
+/* *                                                                        * */
+/* *             1.0.6 - 05/11/2003 - G. Juyn                               * */
+/* *             - added conditionals around canvas update routines         * */
+/* *             1.0.6 - 07/07/2003 - G.R-P                                 * */
+/* *             - added conditionals around some JNG-supporting code       * */
+/* *             1.0.6 - 07/11/2003 - G.R-P                                 * */
+/* *             - added conditionals zlib and jpeg property accessors      * */
+/* *             1.0.6 - 07/14/2003 - G.R-P                                 * */
+/* *             - added conditionals around various unused functions       * */
+/* *                                                                        * */
+/* *             1.0.7 - 11/27/2003 - R.A                                   * */
+/* *             - added CANVAS_RGB565 and CANVAS_BGR565                    * */
+/* *             1.0.7 - 12/06/2003 - R.A                                   * */
+/* *             - added CANVAS_RGBA565 and CANVAS_BGRA565                  * */
+/* *             1.0.7 - 01/25/2004 - J.S                                   * */
+/* *             - added premultiplied alpha canvas' for RGBA, ARGB, ABGR   * */
+/* *             1.0.7 - 03/07/2004 - G.R-P.                                * */
+/* *             - put gamma, cms-related functions inside #ifdef           * */
+/* *                                                                        * */
+/* *             1.0.8 - 04/02/2004 - G.Juyn                                * */
+/* *             - added CRC existence & checking flags                     * */
+/* *                                                                        * */
+/* *             1.0.9 - 09/18/2004 - G.R-P.                                * */
+/* *             - added some MNG_SUPPORT_WRITE conditionals                * */
+/* *             1.0.9 - 10/03/2004 - G.Juyn                                * */
+/* *             - added function to retrieve current FRAM delay            * */
+/* *             1.0.9 - 10/14/2004 - G.Juyn                                * */
+/* *             - added bgr565_a8 canvas-style (thanks to J. Elvander)     * */
+/* *             1.0.9 - 12/20/2004 - G.Juyn                                * */
+/* *             - cleaned up macro-invocations (thanks to D. Airlie)       * */
+/* *                                                                        * */
+/* *             1.0.10 - 03/07/2006 - (thanks to W. Manthey)               * */
+/* *             - added CANVAS_RGB555 and CANVAS_BGR555                    * */
+/* *                                                                        * */
+/* ************************************************************************** */
+
+#include "libmng.h"
+#include "libmng_data.h"
+#include "libmng_error.h"
+#include "libmng_trace.h"
+#ifdef __BORLANDC__
+#pragma hdrstop
+#endif
+#include "libmng_objects.h"
+#include "libmng_memory.h"
+#include "libmng_cms.h"
+
+#if defined(__BORLANDC__) && defined(MNG_STRICT_ANSI)
+#pragma option -A                      /* force ANSI-C */
+#endif
+
+/* ************************************************************************** */
+/* *                                                                        * */
+/* *  Property set functions                                                * */
+/* *                                                                        * */
+/* ************************************************************************** */
+
+mng_retcode MNG_DECL mng_set_userdata (mng_handle hHandle,
+                                       mng_ptr    pUserdata)
+{
+#ifdef MNG_SUPPORT_TRACE
+  MNG_TRACE (((mng_datap)hHandle), MNG_FN_SET_USERDATA, MNG_LC_START);
+#endif
+
+  MNG_VALIDHANDLE (hHandle)
+  ((mng_datap)hHandle)->pUserdata = pUserdata;
+
+#ifdef MNG_SUPPORT_TRACE
+  MNG_TRACE (((mng_datap)hHandle), MNG_FN_SET_USERDATA, MNG_LC_END);
+#endif
+
+  return MNG_NOERROR;
+}
+
+/* ************************************************************************** */
+
+mng_retcode MNG_DECL mng_set_canvasstyle (mng_handle hHandle,
+                                          mng_uint32 iStyle)
+{
+#ifdef MNG_SUPPORT_TRACE
+  MNG_TRACE (((mng_datap)hHandle), MNG_FN_SET_CANVASSTYLE, MNG_LC_START);
+#endif
+
+  MNG_VALIDHANDLE (hHandle)
+
+  switch (iStyle)
+  {
+#ifndef MNG_SKIPCANVAS_RGB8
+    case MNG_CANVAS_RGB8    : break;
+#endif
+#ifndef MNG_SKIPCANVAS_RGBA8
+    case MNG_CANVAS_RGBA8   : break;
+#endif
+#ifndef MNG_SKIPCANVAS_RGBA8_PM
+    case MNG_CANVAS_RGBA8_PM: break;
+#endif
+#ifndef MNG_SKIPCANVAS_ARGB8
+    case MNG_CANVAS_ARGB8   : break;
+#endif
+#ifndef MNG_SKIPCANVAS_ARGB8_PM
+    case MNG_CANVAS_ARGB8_PM: break;
+#endif
+#ifndef MNG_SKIPCANVAS_RGB8_A8
+    case MNG_CANVAS_RGB8_A8 : break;
+#endif
+#ifndef MNG_SKIPCANVAS_BGR8
+    case MNG_CANVAS_BGR8    : break;
+#endif
+#ifndef MNG_SKIPCANVAS_BGRX8
+    case MNG_CANVAS_BGRX8   : break;
+#endif
+#ifndef MNG_SKIPCANVAS_BGRA8
+    case MNG_CANVAS_BGRA8   : break;
+#endif
+#ifndef MNG_SKIPCANVAS_BGRA8_PM
+    case MNG_CANVAS_BGRA8_PM: break;
+#endif
+#ifndef MNG_SKIPCANVAS_ABGR8
+    case MNG_CANVAS_ABGR8   : break;
+#endif
+#ifndef MNG_SKIPCANVAS_ABGR8_PM
+    case MNG_CANVAS_ABGR8_PM: break;
+#endif
+#ifndef MNG_SKIPCANVAS_RGB565
+    case MNG_CANVAS_RGB565  : break;
+#endif
+#ifndef MNG_SKIPCANVAS_RGBA565
+    case MNG_CANVAS_RGBA565 : break;
+#endif
+#ifndef MNG_SKIPCANVAS_BGR565
+    case MNG_CANVAS_BGR565  : break;
+#endif
+#ifndef MNG_SKIPCANVAS_BGRA565
+    case MNG_CANVAS_BGRA565 : break;
+#endif
+#ifndef MNG_SKIPCANVAS_BGR565_A8
+    case MNG_CANVAS_BGR565_A8 : break;
+#endif
+#ifndef MNG_SKIPCANVAS_RGB555
+    case MNG_CANVAS_RGB555  : break;
+#endif
+#ifndef MNG_SKIPCANVAS_BGR555
+    case MNG_CANVAS_BGR555  : break;
+#endif
+/*    case MNG_CANVAS_RGB16   : break; */
+/*    case MNG_CANVAS_RGBA16  : break; */
+/*    case MNG_CANVAS_ARGB16  : break; */
+/*    case MNG_CANVAS_BGR16   : break; */
+/*    case MNG_CANVAS_BGRA16  : break; */
+/*    case MNG_CANVAS_ABGR16  : break; */
+/*    case MNG_CANVAS_INDEX8  : break; */
+/*    case MNG_CANVAS_INDEXA8 : break; */
+/*    case MNG_CANVAS_AINDEX8 : break; */
+/*    case MNG_CANVAS_GRAY8   : break; */
+/*    case MNG_CANVAS_GRAY16  : break; */
+/*    case MNG_CANVAS_GRAYA8  : break; */
+/*    case MNG_CANVAS_GRAYA16 : break; */
+/*    case MNG_CANVAS_AGRAY8  : break; */
+/*    case MNG_CANVAS_AGRAY16 : break; */
+/*    case MNG_CANVAS_DX15    : break; */
+/*    case MNG_CANVAS_DX16    : break; */
+    default                 : { MNG_ERROR (((mng_datap)hHandle), MNG_INVALIDCNVSTYLE) };
+  }
+
+  ((mng_datap)hHandle)->iCanvasstyle = iStyle;
+
+#ifdef MNG_SUPPORT_TRACE
+  MNG_TRACE (((mng_datap)hHandle), MNG_FN_SET_CANVASSTYLE, MNG_LC_END);
+#endif
+
+  return MNG_NOERROR;
+}
+
+/* ************************************************************************** */
+
+mng_retcode MNG_DECL mng_set_bkgdstyle (mng_handle hHandle,
+                                        mng_uint32 iStyle)
+{
+#ifdef MNG_SUPPORT_TRACE
+  MNG_TRACE (((mng_datap)hHandle), MNG_FN_SET_BKGDSTYLE, MNG_LC_START);
+#endif
+
+  MNG_VALIDHANDLE (hHandle)
+
+  switch (iStyle)                      /* alpha-modes not supported */
+  {
+#ifndef MNG_SKIPCANVAS_RGB8
+    case MNG_CANVAS_RGB8    : break;
+#endif
+#ifndef MNG_SKIPCANVAS_BGR8
+    case MNG_CANVAS_BGR8    : break;
+#endif
+#ifndef MNG_SKIPCANVAS_BGRX8
+    case MNG_CANVAS_BGRX8   : break;
+#endif
+#ifndef MNG_SKIPCANVAS_RGB565
+    case MNG_CANVAS_RGB565  : break;
+#endif
+#ifndef MNG_SKIPCANVAS_BGR565
+    case MNG_CANVAS_BGR565  : break;
+#endif
+/*    case MNG_CANVAS_RGB16   : break; */
+/*    case MNG_CANVAS_BGR16   : break; */
+/*    case MNG_CANVAS_INDEX8  : break; */
+/*    case MNG_CANVAS_GRAY8   : break; */
+/*    case MNG_CANVAS_GRAY16  : break; */
+/*    case MNG_CANVAS_DX15    : break; */
+/*    case MNG_CANVAS_DX16    : break; */
+    default                 : MNG_ERROR (((mng_datap)hHandle), MNG_INVALIDCNVSTYLE);
+  }
+
+  ((mng_datap)hHandle)->iBkgdstyle = iStyle;
+
+#ifdef MNG_SUPPORT_TRACE
+  MNG_TRACE (((mng_datap)hHandle), MNG_FN_SET_BKGDSTYLE, MNG_LC_END);
+#endif
+
+  return MNG_NOERROR;
+}
+
+/* ************************************************************************** */
+
+mng_retcode MNG_DECL mng_set_bgcolor (mng_handle hHandle,
+                                      mng_uint16 iRed,
+                                      mng_uint16 iGreen,
+                                      mng_uint16 iBlue)
+{
+#ifdef MNG_SUPPORT_TRACE
+  MNG_TRACE (((mng_datap)hHandle), MNG_FN_SET_BGCOLOR, MNG_LC_START);
+#endif
+
+  MNG_VALIDHANDLE (hHandle)
+  ((mng_datap)hHandle)->iBGred   = iRed;
+  ((mng_datap)hHandle)->iBGgreen = iGreen;
+  ((mng_datap)hHandle)->iBGblue  = iBlue;
+  ((mng_datap)hHandle)->bUseBKGD = MNG_FALSE;
+
+#ifdef MNG_SUPPORT_TRACE
+  MNG_TRACE (((mng_datap)hHandle), MNG_FN_SET_BGCOLOR, MNG_LC_END);
+#endif
+
+  return MNG_NOERROR;
+}
+
+/* ************************************************************************** */
+
+mng_retcode MNG_DECL mng_set_usebkgd (mng_handle hHandle,
+                                      mng_bool   bUseBKGD)
+{
+#ifdef MNG_SUPPORT_TRACE
+  MNG_TRACE (((mng_datap)hHandle), MNG_FN_SET_USEBKGD, MNG_LC_START);
+#endif
+
+  MNG_VALIDHANDLE (hHandle)
+  ((mng_datap)hHandle)->bUseBKGD = bUseBKGD;
+
+#ifdef MNG_SUPPORT_TRACE
+  MNG_TRACE (((mng_datap)hHandle), MNG_FN_SET_USEBKGD, MNG_LC_END);
+#endif
+
+  return MNG_NOERROR;
+}
+
+/* ************************************************************************** */
+
+mng_retcode MNG_DECL mng_set_storechunks (mng_handle hHandle,
+                                          mng_bool   bStorechunks)
+{
+#ifdef MNG_SUPPORT_TRACE
+  MNG_TRACE (((mng_datap)hHandle), MNG_FN_SET_STORECHUNKS, MNG_LC_START);
+#endif
+
+  MNG_VALIDHANDLE (hHandle)
+  ((mng_datap)hHandle)->bStorechunks = bStorechunks;
+
+#ifdef MNG_SUPPORT_TRACE
+  MNG_TRACE (((mng_datap)hHandle), MNG_FN_SET_STORECHUNKS, MNG_LC_END);
+#endif
+
+  return MNG_NOERROR;
+}
+
+/* ************************************************************************** */
+
+mng_retcode MNG_DECL mng_set_sectionbreaks (mng_handle hHandle,
+                                            mng_bool   bSectionbreaks)
+{
+#ifdef MNG_SUPPORT_TRACE
+  MNG_TRACE (((mng_datap)hHandle), MNG_FN_SET_SECTIONBREAKS, MNG_LC_START);
+#endif
+
+  MNG_VALIDHANDLE (hHandle)
+  ((mng_datap)hHandle)->bSectionbreaks = bSectionbreaks;
+
+#ifdef MNG_SUPPORT_TRACE
+  MNG_TRACE (((mng_datap)hHandle), MNG_FN_SET_SECTIONBREAKS, MNG_LC_END);
+#endif
+
+  return MNG_NOERROR;
+}
+
+/* ************************************************************************** */
+
+mng_retcode MNG_DECL mng_set_cacheplayback (mng_handle hHandle,
+                                            mng_bool   bCacheplayback)
+{
+#ifdef MNG_SUPPORT_TRACE
+  MNG_TRACE (((mng_datap)hHandle), MNG_FN_SET_CACHEPLAYBACK, MNG_LC_START);
+#endif
+
+  MNG_VALIDHANDLE (hHandle)
+
+  if (((mng_datap)hHandle)->bHasheader)
+    MNG_ERROR (((mng_datap)hHandle), MNG_FUNCTIONINVALID);
+
+  ((mng_datap)hHandle)->bCacheplayback = bCacheplayback;
+
+#ifdef MNG_SUPPORT_TRACE
+  MNG_TRACE (((mng_datap)hHandle), MNG_FN_SET_CACHEPLAYBACK, MNG_LC_END);
+#endif
+
+  return MNG_NOERROR;
+}
+
+/* ************************************************************************** */
+
+mng_retcode MNG_DECL mng_set_doprogressive (mng_handle hHandle,
+                                            mng_bool   bDoProgressive)
+{
+#ifdef MNG_SUPPORT_TRACE
+  MNG_TRACE (((mng_datap)hHandle), MNG_FN_SET_DOPROGRESSIVE, MNG_LC_START);
+#endif
+
+  MNG_VALIDHANDLE (hHandle)
+
+  ((mng_datap)hHandle)->bDoProgressive = bDoProgressive;
+
+#ifdef MNG_SUPPORT_TRACE
+  MNG_TRACE (((mng_datap)hHandle), MNG_FN_SET_DOPROGRESSIVE, MNG_LC_END);
+#endif
+
+  return MNG_NOERROR;
+}
+
+/* ************************************************************************** */
+
+mng_retcode MNG_DECL mng_set_crcmode (mng_handle hHandle,
+                                      mng_uint32 iCrcmode)
+{
+#ifdef MNG_SUPPORT_TRACE
+  MNG_TRACE (((mng_datap)hHandle), MNG_FN_SET_CRCMODE, MNG_LC_START);
+#endif
+
+  MNG_VALIDHANDLE (hHandle)
+
+  ((mng_datap)hHandle)->iCrcmode = iCrcmode;
+
+#ifdef MNG_SUPPORT_TRACE
+  MNG_TRACE (((mng_datap)hHandle), MNG_FN_SET_CRCMODE, MNG_LC_END);
+#endif
+
+  return MNG_NOERROR;
+}
+
+/* ************************************************************************** */
+
+#ifdef MNG_SUPPORT_DISPLAY
+mng_retcode MNG_DECL mng_set_srgb (mng_handle hHandle,
+                                   mng_bool   bIssRGB)
+{
+#ifdef MNG_SUPPORT_TRACE
+  MNG_TRACE (((mng_datap)hHandle), MNG_FN_SET_SRGB, MNG_LC_START);
+#endif
+
+  MNG_VALIDHANDLE (hHandle)
+  ((mng_datap)hHandle)->bIssRGB = bIssRGB;
+
+#ifdef MNG_SUPPORT_TRACE
+  MNG_TRACE (((mng_datap)hHandle), MNG_FN_SET_SRGB, MNG_LC_END);
+#endif
+
+  return MNG_NOERROR;
+}
+#endif /* MNG_SUPPORT_DISPLAY */
+
+/* ************************************************************************** */
+
+#ifdef MNG_SUPPORT_DISPLAY
+#ifndef MNG_SKIPCHUNK_iCCP
+mng_retcode MNG_DECL mng_set_outputprofile (mng_handle hHandle,
+                                            mng_pchar  zFilename)
+{
+#ifdef MNG_INCLUDE_LCMS
+  mng_datap pData;
+#endif
+
+#ifdef MNG_SUPPORT_TRACE
+  MNG_TRACE (((mng_datap)hHandle), MNG_FN_SET_OUTPUTPROFILE, MNG_LC_START);
+#endif
+
+#ifdef MNG_INCLUDE_LCMS
+  MNG_VALIDHANDLE (hHandle)
+
+  pData = (mng_datap)hHandle;          /* address the structure */
+
+  if (pData->hProf2)                   /* previously defined ? */
+    mnglcms_freeprofile (pData->hProf2);
+                                       /* allocate new CMS profile handle */
+  pData->hProf2 = mnglcms_createfileprofile (zFilename);
+
+  if (!pData->hProf2)                  /* handle error ? */
+    MNG_ERRORL (pData, MNG_LCMS_NOHANDLE);
+#endif /* MNG_INCLUDE_LCMS */
+
+#ifdef MNG_SUPPORT_TRACE
+  MNG_TRACE (((mng_datap)hHandle), MNG_FN_SET_OUTPUTPROFILE, MNG_LC_END);
+#endif
+
+  return MNG_NOERROR;
+}
+#endif
+#endif /* MNG_SUPPORT_DISPLAY */
+
+/* ************************************************************************** */
+
+#ifdef MNG_SUPPORT_DISPLAY
+#ifndef MNG_SKIPCHUNK_iCCP
+mng_retcode MNG_DECL mng_set_outputprofile2 (mng_handle hHandle,
+                                             mng_uint32 iProfilesize,
+                                             mng_ptr    pProfile)
+{
+#ifdef MNG_INCLUDE_LCMS
+  mng_datap pData;
+#endif
+
+#ifdef MNG_SUPPORT_TRACE
+  MNG_TRACE (((mng_datap)hHandle), MNG_FN_SET_OUTPUTPROFILE2, MNG_LC_START);
+#endif
+
+#ifdef MNG_INCLUDE_LCMS
+  MNG_VALIDHANDLE (hHandle)
+
+  pData = (mng_datap)hHandle;          /* address the structure */
+
+  if (pData->hProf2)                   /* previously defined ? */
+    mnglcms_freeprofile (pData->hProf2);
+                                       /* allocate new CMS profile handle */
+  pData->hProf2 = mnglcms_creatememprofile (iProfilesize, pProfile);
+
+  if (!pData->hProf2)                  /* handle error ? */
+    MNG_ERRORL (pData, MNG_LCMS_NOHANDLE);
+#endif /* MNG_INCLUDE_LCMS */
+
+#ifdef MNG_SUPPORT_TRACE
+  MNG_TRACE (((mng_datap)hHandle), MNG_FN_SET_OUTPUTPROFILE2, MNG_LC_END);
+#endif
+
+  return MNG_NOERROR;
+}
+#endif
+#endif /* MNG_SUPPORT_DISPLAY */
+
+/* ************************************************************************** */
+
+mng_retcode MNG_DECL mng_set_outputsrgb (mng_handle hHandle)
+{
+#ifdef MNG_INCLUDE_LCMS
+  mng_datap pData;
+#endif
+
+#ifdef MNG_SUPPORT_TRACE
+  MNG_TRACE (((mng_datap)hHandle), MNG_FN_SET_OUTPUTSRGB, MNG_LC_START);
+#endif
+
+#ifdef MNG_INCLUDE_LCMS
+  MNG_VALIDHANDLE (hHandle)
+
+  pData = (mng_datap)hHandle;          /* address the structure */
+
+  if (pData->hProf2)                   /* previously defined ? */
+    mnglcms_freeprofile (pData->hProf2);
+                                       /* allocate new CMS profile handle */
+  pData->hProf2 = mnglcms_createsrgbprofile ();
+
+  if (!pData->hProf2)                  /* handle error ? */
+    MNG_ERRORL (pData, MNG_LCMS_NOHANDLE);
+#endif /* MNG_INCLUDE_LCMS */
+
+#ifdef MNG_SUPPORT_TRACE
+  MNG_TRACE (((mng_datap)hHandle), MNG_FN_SET_OUTPUTSRGB, MNG_LC_END);
+#endif
+
+  return MNG_NOERROR;
+}
+
+/* ************************************************************************** */
+
+#ifdef MNG_SUPPORT_DISPLAY
+mng_retcode MNG_DECL mng_set_srgbprofile (mng_handle hHandle,
+                                          mng_pchar  zFilename)
+{
+#ifdef MNG_INCLUDE_LCMS
+  mng_datap pData;
+#endif
+
+#ifdef MNG_SUPPORT_TRACE
+  MNG_TRACE (((mng_datap)hHandle), MNG_FN_SET_SRGBPROFILE2, MNG_LC_START);
+#endif
+
+#ifdef MNG_INCLUDE_LCMS
+  MNG_VALIDHANDLE (hHandle)
+
+  pData = (mng_datap)hHandle;          /* address the structure */
+
+  if (pData->hProf3)                   /* previously defined ? */
+    mnglcms_freeprofile (pData->hProf3);
+                                       /* allocate new CMS profile handle */
+  pData->hProf3 = mnglcms_createfileprofile (zFilename);
+
+  if (!pData->hProf3)                  /* handle error ? */
+    MNG_ERRORL (pData, MNG_LCMS_NOHANDLE);
+#endif /* MNG_INCLUDE_LCMS */
+
+#ifdef MNG_SUPPORT_TRACE
+  MNG_TRACE (((mng_datap)hHandle), MNG_FN_SET_SRGBPROFILE2, MNG_LC_END);
+#endif
+
+  return MNG_NOERROR;
+}
+#endif /* MNG_SUPPORT_DISPLAY */
+
+/* ************************************************************************** */
+
+#ifdef MNG_SUPPORT_DISPLAY
+mng_retcode MNG_DECL mng_set_srgbprofile2 (mng_handle hHandle,
+                                           mng_uint32 iProfilesize,
+                                           mng_ptr    pProfile)
+{
+#ifdef MNG_INCLUDE_LCMS
+  mng_datap pData;
+#endif
+
+#ifdef MNG_SUPPORT_TRACE
+  MNG_TRACE (((mng_datap)hHandle), MNG_FN_SET_SRGBPROFILE, MNG_LC_START);
+#endif
+
+#ifdef MNG_INCLUDE_LCMS
+  MNG_VALIDHANDLE (hHandle)
+
+  pData = (mng_datap)hHandle;          /* address the structure */
+
+  if (pData->hProf3)                   /* previously defined ? */
+    mnglcms_freeprofile (pData->hProf3);
+                                       /* allocate new CMS profile handle */
+  pData->hProf3 = mnglcms_creatememprofile (iProfilesize, pProfile);
+
+  if (!pData->hProf3)                  /* handle error ? */
+    MNG_ERRORL (pData, MNG_LCMS_NOHANDLE);
+#endif /* MNG_INCLUDE_LCMS */
+
+#ifdef MNG_SUPPORT_TRACE
+  MNG_TRACE (((mng_datap)hHandle), MNG_FN_SET_SRGBPROFILE, MNG_LC_END);
+#endif
+
+  return MNG_NOERROR;
+}
+#endif /* MNG_SUPPORT_DISPLAY */
+
+/* ************************************************************************** */
+
+mng_retcode MNG_DECL mng_set_srgbimplicit (mng_handle hHandle)
+{
+#ifdef MNG_INCLUDE_LCMS
+  mng_datap pData;
+#endif
+
+#ifdef MNG_SUPPORT_TRACE
+  MNG_TRACE (((mng_datap)hHandle), MNG_FN_SET_SRGBIMPLICIT, MNG_LC_START);
+#endif
+
+#ifdef MNG_INCLUDE_LCMS
+  MNG_VALIDHANDLE (hHandle)
+
+  pData = (mng_datap)hHandle;          /* address the structure */
+
+  if (pData->hProf3)                   /* previously defined ? */
+    mnglcms_freeprofile (pData->hProf3);
+                                       /* allocate new CMS profile handle */
+  pData->hProf3 = mnglcms_createsrgbprofile ();
+
+  if (!pData->hProf3)                  /* handle error ? */
+    MNG_ERRORL (pData, MNG_LCMS_NOHANDLE);
+#endif /* MNG_INCLUDE_LCMS */
+
+#ifdef MNG_SUPPORT_TRACE
+  MNG_TRACE (((mng_datap)hHandle), MNG_FN_SET_SRGBIMPLICIT, MNG_LC_END);
+#endif
+
+  return MNG_NOERROR;
+}
+
+/* ************************************************************************** */
+
+#if defined(MNG_FULL_CMS) || defined(MNG_GAMMA_ONLY) || defined(MNG_APP_CMS)
+mng_retcode MNG_DECL mng_set_viewgamma (mng_handle hHandle,
+                                        mng_float  dGamma)
+{
+#ifdef MNG_SUPPORT_TRACE
+  MNG_TRACE (((mng_datap)hHandle), MNG_FN_SET_VIEWGAMMA, MNG_LC_START);
+#endif
+
+  MNG_VALIDHANDLE (hHandle)
+  ((mng_datap)hHandle)->dViewgamma = dGamma;
+
+#ifdef MNG_SUPPORT_TRACE
+  MNG_TRACE (((mng_datap)hHandle), MNG_FN_SET_VIEWGAMMA, MNG_LC_END);
+#endif
+
+  return MNG_NOERROR;
+}
+#endif
+
+/* ************************************************************************** */
+
+mng_retcode MNG_DECL mng_set_displaygamma (mng_handle hHandle,
+                                           mng_float  dGamma)
+{
+#ifdef MNG_SUPPORT_TRACE
+  MNG_TRACE (((mng_datap)hHandle), MNG_FN_SET_DISPLAYGAMMA, MNG_LC_START);
+#endif
+
+  MNG_VALIDHANDLE (hHandle)
+  ((mng_datap)hHandle)->dDisplaygamma = dGamma;
+
+#ifdef MNG_SUPPORT_TRACE
+  MNG_TRACE (((mng_datap)hHandle), MNG_FN_SET_DISPLAYGAMMA, MNG_LC_END);
+#endif
+
+  return MNG_NOERROR;
+}
+
+/* ************************************************************************** */
+
+mng_retcode MNG_DECL mng_set_dfltimggamma (mng_handle hHandle,
+                                           mng_float  dGamma)
+{
+#ifdef MNG_SUPPORT_TRACE
+  MNG_TRACE (((mng_datap)hHandle), MNG_FN_SET_DFLTIMGGAMMA, MNG_LC_START);
+#endif
+
+  MNG_VALIDHANDLE (hHandle)
+  ((mng_datap)hHandle)->dDfltimggamma = dGamma;
+
+#ifdef MNG_SUPPORT_TRACE
+  MNG_TRACE (((mng_datap)hHandle), MNG_FN_SET_DFLTIMGGAMMA, MNG_LC_END);
+#endif
+
+  return MNG_NOERROR;
+}
+
+/* ************************************************************************** */
+
+#if defined(MNG_FULL_CMS) || defined(MNG_GAMMA_ONLY) || defined(MNG_APP_CMS)
+mng_retcode MNG_DECL mng_set_viewgammaint (mng_handle hHandle,
+                                           mng_uint32 iGamma)
+{
+#ifdef MNG_SUPPORT_TRACE
+  MNG_TRACE (((mng_datap)hHandle), MNG_FN_SET_VIEWGAMMA, MNG_LC_START);
+#endif
+
+  MNG_VALIDHANDLE (hHandle)
+  ((mng_datap)hHandle)->dViewgamma = (mng_float)iGamma / 100000;
+
+#ifdef MNG_SUPPORT_TRACE
+  MNG_TRACE (((mng_datap)hHandle), MNG_FN_SET_VIEWGAMMA, MNG_LC_END);
+#endif
+
+  return MNG_NOERROR;
+}
+#endif
+
+/* ************************************************************************** */
+
+mng_retcode MNG_DECL mng_set_displaygammaint (mng_handle hHandle,
+                                              mng_uint32 iGamma)
+{
+#ifdef MNG_SUPPORT_TRACE
+  MNG_TRACE (((mng_datap)hHandle), MNG_FN_SET_DISPLAYGAMMA, MNG_LC_START);
+#endif
+
+  MNG_VALIDHANDLE (hHandle)
+  ((mng_datap)hHandle)->dDisplaygamma = (mng_float)iGamma / 100000;
+
+#ifdef MNG_SUPPORT_TRACE
+  MNG_TRACE (((mng_datap)hHandle), MNG_FN_SET_DISPLAYGAMMA, MNG_LC_END);
+#endif
+
+  return MNG_NOERROR;
+}
+
+/* ************************************************************************** */
+
+#ifndef MNG_NO_DFLT_INFO
+mng_retcode MNG_DECL mng_set_dfltimggammaint (mng_handle hHandle,
+                                              mng_uint32 iGamma)
+{
+#ifdef MNG_SUPPORT_TRACE
+  MNG_TRACE (((mng_datap)hHandle), MNG_FN_SET_DFLTIMGGAMMA, MNG_LC_START);
+#endif
+
+  MNG_VALIDHANDLE (hHandle)
+  ((mng_datap)hHandle)->dDfltimggamma = (mng_float)iGamma / 100000;
+
+#ifdef MNG_SUPPORT_TRACE
+  MNG_TRACE (((mng_datap)hHandle), MNG_FN_SET_DFLTIMGGAMMA, MNG_LC_END);
+#endif
+
+  return MNG_NOERROR;
+}
+#endif
+
+/* ************************************************************************** */
+
+#ifndef MNG_SKIP_MAXCANVAS
+mng_retcode MNG_DECL mng_set_maxcanvaswidth (mng_handle hHandle,
+                                             mng_uint32 iMaxwidth)
+{
+#ifdef MNG_SUPPORT_TRACE
+  MNG_TRACE (((mng_datap)hHandle), MNG_FN_SET_MAXCANVASWIDTH, MNG_LC_START);
+#endif
+
+  MNG_VALIDHANDLE (hHandle)
+  ((mng_datap)hHandle)->iMaxwidth = iMaxwidth;
+
+#ifdef MNG_SUPPORT_TRACE
+  MNG_TRACE (((mng_datap)hHandle), MNG_FN_SET_MAXCANVASWIDTH, MNG_LC_END);
+#endif
+
+  return MNG_NOERROR;
+}
+
+/* ************************************************************************** */
+
+mng_retcode MNG_DECL mng_set_maxcanvasheight (mng_handle hHandle,
+                                              mng_uint32 iMaxheight)
+{
+#ifdef MNG_SUPPORT_TRACE
+  MNG_TRACE (((mng_datap)hHandle), MNG_FN_SET_MAXCANVASHEIGHT, MNG_LC_START);
+#endif
+
+  MNG_VALIDHANDLE (hHandle)
+  ((mng_datap)hHandle)->iMaxheight = iMaxheight;
+
+#ifdef MNG_SUPPORT_TRACE
+  MNG_TRACE (((mng_datap)hHandle), MNG_FN_SET_MAXCANVASHEIGHT, MNG_LC_END);
+#endif
+
+  return MNG_NOERROR;
+}
+
+/* ************************************************************************** */
+
+mng_retcode MNG_DECL mng_set_maxcanvassize (mng_handle hHandle,
+                                            mng_uint32 iMaxwidth,
+                                            mng_uint32 iMaxheight)
+{
+#ifdef MNG_SUPPORT_TRACE
+  MNG_TRACE (((mng_datap)hHandle), MNG_FN_SET_MAXCANVASSIZE, MNG_LC_START);
+#endif
+
+  MNG_VALIDHANDLE (hHandle)
+  ((mng_datap)hHandle)->iMaxwidth  = iMaxwidth;
+  ((mng_datap)hHandle)->iMaxheight = iMaxheight;
+
+#ifdef MNG_SUPPORT_TRACE
+  MNG_TRACE (((mng_datap)hHandle), MNG_FN_SET_MAXCANVASSIZE, MNG_LC_END);
+#endif
+
+  return MNG_NOERROR;
+}
+#endif
+
+/* ************************************************************************** */
+
+#ifdef MNG_INCLUDE_ZLIB
+#ifdef MNG_ACCESS_ZLIB
+#ifdef MNG_SUPPORT_WRITE
+mng_retcode MNG_DECL mng_set_zlib_level (mng_handle hHandle,
+                                         mng_int32  iZlevel)
+{
+#ifdef MNG_SUPPORT_TRACE
+  MNG_TRACE (((mng_datap)hHandle), MNG_FN_SET_ZLIB_LEVEL, MNG_LC_START);
+#endif
+
+  MNG_VALIDHANDLE (hHandle)
+  ((mng_datap)hHandle)->iZlevel = iZlevel;
+
+#ifdef MNG_SUPPORT_TRACE
+  MNG_TRACE (((mng_datap)hHandle), MNG_FN_SET_ZLIB_LEVEL, MNG_LC_END);
+#endif
+
+  return MNG_NOERROR;
+}
+#endif /* MNG_SUPPORT_WRITE */
+#endif /* MNG_ACCESS_ZLIB */
+#endif /* MNG_INCLUDE_ZLIB */
+
+/* ************************************************************************** */
+
+#ifdef MNG_INCLUDE_ZLIB
+#ifdef MNG_ACCESS_ZLIB
+#ifdef MNG_SUPPORT_WRITE
+mng_retcode MNG_DECL mng_set_zlib_method (mng_handle hHandle,
+                                          mng_int32  iZmethod)
+{
+#ifdef MNG_SUPPORT_TRACE
+  MNG_TRACE (((mng_datap)hHandle), MNG_FN_SET_ZLIB_METHOD, MNG_LC_START);
+#endif
+
+  MNG_VALIDHANDLE (hHandle)
+  ((mng_datap)hHandle)->iZmethod = iZmethod;
+
+#ifdef MNG_SUPPORT_TRACE
+  MNG_TRACE (((mng_datap)hHandle), MNG_FN_SET_ZLIB_METHOD, MNG_LC_END);
+#endif
+
+  return MNG_NOERROR;
+}
+#endif /* MNG_SUPPORT_WRITE */
+#endif /* MNG_ACCESS_ZLIB */
+#endif /* MNG_INCLUDE_ZLIB */
+
+/* ************************************************************************** */
+
+#ifdef MNG_INCLUDE_ZLIB
+#ifdef MNG_ACCESS_ZLIB
+#ifdef MNG_SUPPORT_WRITE
+mng_retcode MNG_DECL mng_set_zlib_windowbits (mng_handle hHandle,
+                                              mng_int32  iZwindowbits)
+{
+#ifdef MNG_SUPPORT_TRACE
+  MNG_TRACE (((mng_datap)hHandle), MNG_FN_SET_ZLIB_WINDOWBITS, MNG_LC_START);
+#endif
+
+  MNG_VALIDHANDLE (hHandle)
+  ((mng_datap)hHandle)->iZwindowbits = iZwindowbits;
+
+#ifdef MNG_SUPPORT_TRACE
+  MNG_TRACE (((mng_datap)hHandle), MNG_FN_SET_ZLIB_WINDOWBITS, MNG_LC_END);
+#endif
+
+  return MNG_NOERROR;
+}
+#endif /* MNG_SUPPORT_WRITE */
+#endif /* MNG_ACCESS_ZLIB */
+#endif /* MNG_INCLUDE_ZLIB */
+
+/* ************************************************************************** */
+
+#ifdef MNG_INCLUDE_ZLIB
+#ifdef MNG_ACCESS_ZLIB
+#ifdef MNG_SUPPORT_WRITE
+mng_retcode MNG_DECL mng_set_zlib_memlevel (mng_handle hHandle,
+                                            mng_int32  iZmemlevel)
+{
+#ifdef MNG_SUPPORT_TRACE
+  MNG_TRACE (((mng_datap)hHandle), MNG_FN_SET_ZLIB_MEMLEVEL, MNG_LC_START);
+#endif
+
+  MNG_VALIDHANDLE (hHandle)
+  ((mng_datap)hHandle)->iZmemlevel = iZmemlevel;
+
+#ifdef MNG_SUPPORT_TRACE
+  MNG_TRACE (((mng_datap)hHandle), MNG_FN_SET_ZLIB_MEMLEVEL, MNG_LC_END);
+#endif
+
+  return MNG_NOERROR;
+}
+#endif /* MNG_SUPPORT_WRITE */
+#endif /* MNG_ACCESS_ZLIB */
+#endif /* MNG_INCLUDE_ZLIB */
+
+/* ************************************************************************** */
+
+#ifdef MNG_INCLUDE_ZLIB
+#ifdef MNG_ACCESS_ZLIB
+#ifdef MNG_SUPPORT_WRITE
+mng_retcode MNG_DECL mng_set_zlib_strategy (mng_handle hHandle,
+                                            mng_int32  iZstrategy)
+{
+#ifdef MNG_SUPPORT_TRACE
+  MNG_TRACE (((mng_datap)hHandle), MNG_FN_SET_ZLIB_STRATEGY, MNG_LC_START);
+#endif
+
+  MNG_VALIDHANDLE (hHandle)
+  ((mng_datap)hHandle)->iZstrategy = iZstrategy;
+
+#ifdef MNG_SUPPORT_TRACE
+  MNG_TRACE (((mng_datap)hHandle), MNG_FN_SET_ZLIB_STRATEGY, MNG_LC_END);
+#endif
+
+  return MNG_NOERROR;
+}
+#endif /* MNG_SUPPORT_WRITE */
+#endif /* MNG_ACCESS_ZLIB */
+#endif /* MNG_INCLUDE_ZLIB */
+
+/* ************************************************************************** */
+
+#ifdef MNG_INCLUDE_ZLIB
+#ifdef MNG_ACCESS_ZLIB
+#ifdef MNG_SUPPORT_WRITE
+mng_retcode MNG_DECL mng_set_zlib_maxidat (mng_handle hHandle,
+                                           mng_uint32 iMaxIDAT)
+{
+#ifdef MNG_SUPPORT_TRACE
+  MNG_TRACE (((mng_datap)hHandle), MNG_FN_SET_ZLIB_MAXIDAT, MNG_LC_START);
+#endif
+
+  MNG_VALIDHANDLE (hHandle)
+  ((mng_datap)hHandle)->iMaxIDAT = iMaxIDAT;
+
+#ifdef MNG_SUPPORT_TRACE
+  MNG_TRACE (((mng_datap)hHandle), MNG_FN_SET_ZLIB_MAXIDAT, MNG_LC_END);
+#endif
+
+  return MNG_NOERROR;
+}
+#endif /* MNG_SUPPORT_WRITE */
+#endif /* MNG_ACCESS_ZLIB */
+#endif /* MNG_INCLUDE_ZLIB */
+
+/* ************************************************************************** */
+
+#ifdef MNG_INCLUDE_JNG
+#ifdef MNG_ACCESS_JPEG
+#ifdef MNG_SUPPORT_WRITE
+mng_retcode MNG_DECL mng_set_jpeg_dctmethod (mng_handle        hHandle,
+                                             mngjpeg_dctmethod eJPEGdctmethod)
+{
+#ifdef MNG_SUPPORT_TRACE
+  MNG_TRACE (((mng_datap)hHandle), MNG_FN_SET_JPEG_DCTMETHOD, MNG_LC_START);
+#endif
+
+  MNG_VALIDHANDLE (hHandle)
+  ((mng_datap)hHandle)->eJPEGdctmethod = eJPEGdctmethod;
+
+#ifdef MNG_SUPPORT_TRACE
+  MNG_TRACE (((mng_datap)hHandle), MNG_FN_SET_JPEG_DCTMETHOD, MNG_LC_END);
+#endif
+
+  return MNG_NOERROR;
+}
+#endif /* MNG_SUPPORT_WRITE */
+#endif /* MNG_ACCESS_JPEG */
+#endif /* MNG_INCLUDE_JNG */
+
+/* ************************************************************************** */
+
+#ifdef MNG_INCLUDE_JNG
+#ifdef MNG_ACCESS_JPEG
+#ifdef MNG_SUPPORT_WRITE
+mng_retcode MNG_DECL mng_set_jpeg_quality (mng_handle hHandle,
+                                           mng_int32  iJPEGquality)
+{
+#ifdef MNG_SUPPORT_TRACE
+  MNG_TRACE (((mng_datap)hHandle), MNG_FN_SET_JPEG_QUALITY, MNG_LC_START);
+#endif
+
+  MNG_VALIDHANDLE (hHandle)
+  ((mng_datap)hHandle)->iJPEGquality = iJPEGquality;
+
+#ifdef MNG_SUPPORT_TRACE
+  MNG_TRACE (((mng_datap)hHandle), MNG_FN_SET_JPEG_QUALITY, MNG_LC_END);
+#endif
+
+  return MNG_NOERROR;
+}
+#endif /* MNG_SUPPORT_WRITE */
+#endif /* MNG_ACCESS_JPEG */
+#endif /* MNG_INCLUDE_JNG */
+
+/* ************************************************************************** */
+
+#ifdef MNG_INCLUDE_JNG
+#ifdef MNG_ACCESS_JPEG
+#ifdef MNG_SUPPORT_WRITE
+mng_retcode MNG_DECL mng_set_jpeg_smoothing (mng_handle hHandle,
+                                             mng_int32  iJPEGsmoothing)
+{
+#ifdef MNG_SUPPORT_TRACE
+  MNG_TRACE (((mng_datap)hHandle), MNG_FN_SET_JPEG_SMOOTHING, MNG_LC_START);
+#endif
+
+  MNG_VALIDHANDLE (hHandle)
+  ((mng_datap)hHandle)->iJPEGsmoothing = iJPEGsmoothing;
+
+#ifdef MNG_SUPPORT_TRACE
+  MNG_TRACE (((mng_datap)hHandle), MNG_FN_SET_JPEG_SMOOTHING, MNG_LC_END);
+#endif
+
+  return MNG_NOERROR;
+}
+#endif /* MNG_SUPPORT_WRITE */
+#endif /* MNG_ACCESS_JPEG */
+#endif /* MNG_INCLUDE_JNG */
+
+/* ************************************************************************** */
+
+#ifdef MNG_INCLUDE_JNG
+#ifdef MNG_ACCESS_JPEG
+#ifdef MNG_SUPPORT_WRITE
+mng_retcode MNG_DECL mng_set_jpeg_progressive (mng_handle hHandle,
+                                               mng_bool   bJPEGprogressive)
+{
+#ifdef MNG_SUPPORT_TRACE
+  MNG_TRACE (((mng_datap)hHandle), MNG_FN_SET_JPEG_PROGRESSIVE, MNG_LC_START);
+#endif
+
+  MNG_VALIDHANDLE (hHandle)
+  ((mng_datap)hHandle)->bJPEGcompressprogr = bJPEGprogressive;
+
+#ifdef MNG_SUPPORT_TRACE
+  MNG_TRACE (((mng_datap)hHandle), MNG_FN_SET_JPEG_PROGRESSIVE, MNG_LC_END);
+#endif
+
+  return MNG_NOERROR;
+}
+#endif /* MNG_SUPPORT_WRITE */
+#endif /* MNG_ACCESS_JPEG */
+#endif /* MNG_INCLUDE_JNG */
+
+/* ************************************************************************** */
+
+#ifdef MNG_INCLUDE_JNG
+#ifdef MNG_ACCESS_JPEG
+#ifdef MNG_SUPPORT_WRITE
+mng_retcode MNG_DECL mng_set_jpeg_optimized (mng_handle hHandle,
+                                             mng_bool   bJPEGoptimized)
+{
+#ifdef MNG_SUPPORT_TRACE
+  MNG_TRACE (((mng_datap)hHandle), MNG_FN_SET_JPEG_OPTIMIZED, MNG_LC_START);
+#endif
+
+  MNG_VALIDHANDLE (hHandle)
+  ((mng_datap)hHandle)->bJPEGcompressopt = bJPEGoptimized;
+
+#ifdef MNG_SUPPORT_TRACE
+  MNG_TRACE (((mng_datap)hHandle), MNG_FN_SET_JPEG_OPTIMIZED, MNG_LC_END);
+#endif
+
+  return MNG_NOERROR;
+}
+#endif /* MNG_SUPPORT_WRITE */
+#endif /* MNG_ACCESS_JPEG */
+#endif /* MNG_INCLUDE_JNG */
+
+/* ************************************************************************** */
+
+#ifdef MNG_INCLUDE_JNG
+#ifdef MNG_ACCESS_JPEG
+#ifdef MNG_SUPPORT_WRITE
+mng_retcode MNG_DECL mng_set_jpeg_maxjdat (mng_handle hHandle,
+                                           mng_uint32 iMaxJDAT)
+{
+#ifdef MNG_SUPPORT_TRACE
+  MNG_TRACE (((mng_datap)hHandle), MNG_FN_SET_JPEG_MAXJDAT, MNG_LC_START);
+#endif
+
+  MNG_VALIDHANDLE (hHandle)
+  ((mng_datap)hHandle)->iMaxJDAT = iMaxJDAT;
+
+#ifdef MNG_SUPPORT_TRACE
+  MNG_TRACE (((mng_datap)hHandle), MNG_FN_SET_JPEG_MAXJDAT, MNG_LC_END);
+#endif
+
+  return MNG_NOERROR;
+}
+#endif /* MNG_SUPPORT_WRITE */
+#endif /* MNG_ACCESS_JPEG */
+#endif /* MNG_INCLUDE_JNG */
+
+/* ************************************************************************** */
+
+#ifdef MNG_SUPPORT_READ
+mng_retcode MNG_DECL mng_set_suspensionmode (mng_handle hHandle,
+                                             mng_bool   bSuspensionmode)
+{
+#ifdef MNG_SUPPORT_TRACE
+  MNG_TRACE (((mng_datap)hHandle), MNG_FN_SET_SUSPENSIONMODE, MNG_LC_START);
+#endif
+
+  MNG_VALIDHANDLE (hHandle)
+
+  if (((mng_datap)hHandle)->bReading)  /* we must NOT be reading !!! */
+    MNG_ERROR ((mng_datap)hHandle, MNG_FUNCTIONINVALID);
+
+  ((mng_datap)hHandle)->bSuspensionmode = bSuspensionmode;
+
+#ifdef MNG_SUPPORT_TRACE
+  MNG_TRACE (((mng_datap)hHandle), MNG_FN_SET_SUSPENSIONMODE, MNG_LC_END);
+#endif
+
+  return MNG_NOERROR;
+}
+#endif /* MNG_SUPPORT_READ */
+
+/* ************************************************************************** */
+
+#ifdef MNG_SUPPORT_DISPLAY
+mng_retcode MNG_DECL mng_set_speed (mng_handle    hHandle,
+                                    mng_speedtype iSpeed)
+{
+#ifdef MNG_SUPPORT_TRACE
+  MNG_TRACE (((mng_datap)hHandle), MNG_FN_SET_SPEED, MNG_LC_START);
+#endif
+
+  MNG_VALIDHANDLE (hHandle)
+  ((mng_datap)hHandle)->iSpeed = iSpeed;
+
+#ifdef MNG_SUPPORT_TRACE
+  MNG_TRACE (((mng_datap)hHandle), MNG_FN_SET_SPEED, MNG_LC_END);
+#endif
+
+  return MNG_NOERROR;
+}
+#endif /* MNG_SUPPORT_DISPLAY */
+
+/* ************************************************************************** */
+/* *                                                                        * */
+/* *  Property get functions                                                * */
+/* *                                                                        * */
+/* ************************************************************************** */
+
+mng_ptr MNG_DECL mng_get_userdata (mng_handle hHandle)
+{                            /* no tracing in here to prevent recursive calls */
+  MNG_VALIDHANDLEX (hHandle)
+  return ((mng_datap)hHandle)->pUserdata;
+}
+
+/* ************************************************************************** */
+
+mng_imgtype MNG_DECL mng_get_sigtype (mng_handle hHandle)
+{
+#ifdef MNG_SUPPORT_TRACE
+  MNG_TRACEX (((mng_datap)hHandle), MNG_FN_GET_SIGTYPE, MNG_LC_START);
+#endif
+
+  if ((hHandle == 0) || (((mng_datap)hHandle)->iMagic != MNG_MAGIC))
+    return mng_it_unknown;
+
+#ifdef MNG_SUPPORT_TRACE
+  MNG_TRACEX (((mng_datap)hHandle), MNG_FN_GET_SIGTYPE, MNG_LC_END);
+#endif
+
+  return ((mng_datap)hHandle)->eSigtype;
+}
+
+/* ************************************************************************** */
+
+mng_imgtype MNG_DECL mng_get_imagetype (mng_handle hHandle)
+{
+#ifdef MNG_SUPPORT_TRACE
+  MNG_TRACEX (((mng_datap)hHandle), MNG_FN_GET_IMAGETYPE, MNG_LC_START);
+#endif
+
+  if ((hHandle == 0) || (((mng_datap)hHandle)->iMagic != MNG_MAGIC))
+    return mng_it_unknown;
+
+#ifdef MNG_SUPPORT_TRACE
+  MNG_TRACEX (((mng_datap)hHandle), MNG_FN_GET_IMAGETYPE, MNG_LC_END);
+#endif
+
+  return ((mng_datap)hHandle)->eImagetype;
+}
+
+/* ************************************************************************** */
+
+mng_uint32 MNG_DECL mng_get_imagewidth (mng_handle hHandle)
+{
+#ifdef MNG_SUPPORT_TRACE
+  MNG_TRACEX (((mng_datap)hHandle), MNG_FN_GET_IMAGEWIDTH, MNG_LC_START);
+#endif
+
+  MNG_VALIDHANDLEX (hHandle)
+
+#ifdef MNG_SUPPORT_TRACE
+  MNG_TRACEX (((mng_datap)hHandle), MNG_FN_GET_IMAGEWIDTH, MNG_LC_END);
+#endif
+
+  return ((mng_datap)hHandle)->iWidth;
+}
+
+/* ************************************************************************** */
+
+mng_uint32 MNG_DECL mng_get_imageheight (mng_handle hHandle)
+{
+#ifdef MNG_SUPPORT_TRACE
+  MNG_TRACEX (((mng_datap)hHandle), MNG_FN_GET_IMAGEWIDTH, MNG_LC_START);
+#endif
+
+  MNG_VALIDHANDLEX (hHandle)
+
+#ifdef MNG_SUPPORT_TRACE
+  MNG_TRACEX (((mng_datap)hHandle), MNG_FN_GET_IMAGEHEIGHT, MNG_LC_END);
+#endif
+
+  return ((mng_datap)hHandle)->iHeight;
+}
+
+/* ************************************************************************** */
+
+mng_uint32 MNG_DECL mng_get_ticks (mng_handle hHandle)
+{
+#ifdef MNG_SUPPORT_TRACE
+  MNG_TRACEX (((mng_datap)hHandle), MNG_FN_GET_TICKS, MNG_LC_START);
+#endif
+
+  MNG_VALIDHANDLEX (hHandle)
+
+#ifdef MNG_SUPPORT_TRACE
+  MNG_TRACEX (((mng_datap)hHandle), MNG_FN_GET_TICKS, MNG_LC_END);
+#endif
+
+  return ((mng_datap)hHandle)->iTicks;
+}
+
+/* ************************************************************************** */
+
+mng_uint32 MNG_DECL mng_get_framecount (mng_handle hHandle)
+{
+#ifdef MNG_SUPPORT_TRACE
+  MNG_TRACEX (((mng_datap)hHandle), MNG_FN_GET_FRAMECOUNT, MNG_LC_START);
+#endif
+
+  MNG_VALIDHANDLEX (hHandle)
+
+#ifdef MNG_SUPPORT_TRACE
+  MNG_TRACEX (((mng_datap)hHandle), MNG_FN_GET_FRAMECOUNT, MNG_LC_END);
+#endif
+
+  return ((mng_datap)hHandle)->iFramecount;
+}
+
+/* ************************************************************************** */
+
+mng_uint32 MNG_DECL mng_get_layercount (mng_handle hHandle)
+{
+#ifdef MNG_SUPPORT_TRACE
+  MNG_TRACEX (((mng_datap)hHandle), MNG_FN_GET_LAYERCOUNT, MNG_LC_START);
+#endif
+
+  MNG_VALIDHANDLEX (hHandle)
+
+#ifdef MNG_SUPPORT_TRACE
+  MNG_TRACEX (((mng_datap)hHandle), MNG_FN_GET_LAYERCOUNT, MNG_LC_END);
+#endif
+
+  return ((mng_datap)hHandle)->iLayercount;
+}
+
+/* ************************************************************************** */
+
+mng_uint32 MNG_DECL mng_get_playtime (mng_handle hHandle)
+{
+#ifdef MNG_SUPPORT_TRACE
+  MNG_TRACEX (((mng_datap)hHandle), MNG_FN_GET_PLAYTIME, MNG_LC_START);
+#endif
+
+  MNG_VALIDHANDLEX (hHandle)
+
+#ifdef MNG_SUPPORT_TRACE
+  MNG_TRACEX (((mng_datap)hHandle), MNG_FN_GET_PLAYTIME, MNG_LC_END);
+#endif
+
+  return ((mng_datap)hHandle)->iPlaytime;
+}
+
+/* ************************************************************************** */
+
+mng_uint32 MNG_DECL mng_get_simplicity (mng_handle hHandle)
+{
+#ifdef MNG_SUPPORT_TRACE
+  MNG_TRACEX (((mng_datap)hHandle), MNG_FN_GET_SIMPLICITY, MNG_LC_START);
+#endif
+
+  MNG_VALIDHANDLEX (hHandle)
+
+#ifdef MNG_SUPPORT_TRACE
+  MNG_TRACEX (((mng_datap)hHandle), MNG_FN_GET_SIMPLICITY, MNG_LC_END);
+#endif
+
+  return ((mng_datap)hHandle)->iSimplicity;
+}
+
+/* ************************************************************************** */
+
+mng_uint8 MNG_DECL mng_get_bitdepth (mng_handle hHandle)
+{
+  mng_uint8 iRslt;
+
+#ifdef MNG_SUPPORT_TRACE
+  MNG_TRACEX (((mng_datap)hHandle), MNG_FN_GET_BITDEPTH, MNG_LC_START);
+#endif
+
+  MNG_VALIDHANDLEX (hHandle)
+
+  if (((mng_datap)hHandle)->eImagetype == mng_it_png)
+    iRslt = ((mng_datap)hHandle)->iBitdepth;
+  else
+#ifdef MNG_INCLUDE_JNG
+  if (((mng_datap)hHandle)->eImagetype == mng_it_jng)
+    iRslt = ((mng_datap)hHandle)->iJHDRimgbitdepth;
+  else
+#endif
+    iRslt = 0;
+
+#ifdef MNG_SUPPORT_TRACE
+  MNG_TRACEX (((mng_datap)hHandle), MNG_FN_GET_BITDEPTH, MNG_LC_END);
+#endif
+
+  return iRslt;
+}
+
+/* ************************************************************************** */
+
+mng_uint8 MNG_DECL mng_get_colortype (mng_handle hHandle)
+{
+  mng_uint8 iRslt;
+
+#ifdef MNG_SUPPORT_TRACE
+  MNG_TRACEX (((mng_datap)hHandle), MNG_FN_GET_COLORTYPE, MNG_LC_START);
+#endif
+
+  MNG_VALIDHANDLEX (hHandle)
+
+  if (((mng_datap)hHandle)->eImagetype == mng_it_png)
+    iRslt = ((mng_datap)hHandle)->iColortype;
+  else
+#ifdef MNG_INCLUDE_JNG
+  if (((mng_datap)hHandle)->eImagetype == mng_it_jng)
+    iRslt = ((mng_datap)hHandle)->iJHDRcolortype;
+  else
+#endif
+    iRslt = 0;
+
+#ifdef MNG_SUPPORT_TRACE
+  MNG_TRACEX (((mng_datap)hHandle), MNG_FN_GET_COLORTYPE, MNG_LC_END);
+#endif
+
+  return iRslt;
+}
+
+/* ************************************************************************** */
+
+mng_uint8 MNG_DECL mng_get_compression (mng_handle hHandle)
+{
+  mng_uint8 iRslt;
+
+#ifdef MNG_SUPPORT_TRACE
+  MNG_TRACEX (((mng_datap)hHandle), MNG_FN_GET_COMPRESSION, MNG_LC_START);
+#endif
+
+  MNG_VALIDHANDLEX (hHandle)
+
+  if (((mng_datap)hHandle)->eImagetype == mng_it_png)
+    iRslt = ((mng_datap)hHandle)->iCompression;
+  else
+#ifdef MNG_INCLUDE_JNG
+  if (((mng_datap)hHandle)->eImagetype == mng_it_jng)
+    iRslt = ((mng_datap)hHandle)->iJHDRimgcompression;
+  else
+#endif
+    iRslt = 0;
+
+#ifdef MNG_SUPPORT_TRACE
+  MNG_TRACEX (((mng_datap)hHandle), MNG_FN_GET_COMPRESSION, MNG_LC_END);
+#endif
+
+  return iRslt;
+}
+
+/* ************************************************************************** */
+
+mng_uint8 MNG_DECL mng_get_filter (mng_handle hHandle)
+{
+  mng_uint8 iRslt;
+
+#ifdef MNG_SUPPORT_TRACE
+  MNG_TRACEX (((mng_datap)hHandle), MNG_FN_GET_FILTER, MNG_LC_START);
+#endif
+
+  MNG_VALIDHANDLEX (hHandle)
+
+  if (((mng_datap)hHandle)->eImagetype == mng_it_png)
+    iRslt = ((mng_datap)hHandle)->iFilter;
+  else
+    iRslt = 0;
+
+#ifdef MNG_SUPPORT_TRACE
+  MNG_TRACEX (((mng_datap)hHandle), MNG_FN_GET_FILTER, MNG_LC_END);
+#endif
+
+  return iRslt;
+}
+
+/* ************************************************************************** */
+
+mng_uint8 MNG_DECL mng_get_interlace (mng_handle hHandle)
+{
+  mng_uint8 iRslt;
+
+#ifdef MNG_SUPPORT_TRACE
+  MNG_TRACEX (((mng_datap)hHandle), MNG_FN_GET_INTERLACE, MNG_LC_START);
+#endif
+
+  MNG_VALIDHANDLEX (hHandle)
+
+  if (((mng_datap)hHandle)->eImagetype == mng_it_png)
+    iRslt = ((mng_datap)hHandle)->iInterlace;
+  else
+#ifdef MNG_INCLUDE_JNG
+  if (((mng_datap)hHandle)->eImagetype == mng_it_jng)
+    iRslt = ((mng_datap)hHandle)->iJHDRimginterlace;
+  else
+#endif
+    iRslt = 0;
+
+#ifdef MNG_SUPPORT_TRACE
+  MNG_TRACEX (((mng_datap)hHandle), MNG_FN_GET_INTERLACE, MNG_LC_END);
+#endif
+
+  return iRslt;
+}
+
+/* ************************************************************************** */
+
+mng_uint8 MNG_DECL mng_get_alphabitdepth (mng_handle hHandle)
+{
+  mng_uint8 iRslt;
+
+#ifdef MNG_SUPPORT_TRACE
+  MNG_TRACEX (((mng_datap)hHandle), MNG_FN_GET_ALPHABITDEPTH, MNG_LC_START);
+#endif
+
+  MNG_VALIDHANDLEX (hHandle)
+
+#ifdef MNG_INCLUDE_JNG
+  if (((mng_datap)hHandle)->eImagetype == mng_it_jng)
+    iRslt = ((mng_datap)hHandle)->iJHDRalphabitdepth;
+  else
+#endif
+    iRslt = 0;
+
+#ifdef MNG_SUPPORT_TRACE
+  MNG_TRACEX (((mng_datap)hHandle), MNG_FN_GET_ALPHABITDEPTH, MNG_LC_END);
+#endif
+
+  return iRslt;
+}
+
+/* ************************************************************************** */
+
+#ifdef MNG_SUPPORT_DISPLAY
+mng_uint8 MNG_DECL mng_get_refreshpass (mng_handle hHandle)
+{
+  mng_uint8 iRslt;
+  mng_datap pData;
+
+#ifdef MNG_SUPPORT_TRACE
+  MNG_TRACEX (((mng_datap)hHandle), MNG_FN_GET_REFRESHPASS, MNG_LC_START);
+#endif
+
+  MNG_VALIDHANDLEX (hHandle)
+
+  pData = (mng_datap)hHandle;
+                                       /* for PNG we know the exact pass */
+  if ((pData->eImagetype == mng_it_png) && (pData->iPass >= 0))
+    iRslt = pData->iPass;
+#ifdef MNG_INCLUDE_JNG
+  else                                 /* for JNG we'll fake it... */
+  if ((pData->eImagetype == mng_it_jng) &&
+      (pData->bJPEGhasheader) && (pData->bJPEGdecostarted) &&
+      (pData->bJPEGprogressive))
+  {
+    if (pData->pJPEGdinfo->input_scan_number <= 1)
+      iRslt = 0;                       /* first pass (I think...) */
+    else
+    if (jpeg_input_complete (pData->pJPEGdinfo))
+      iRslt = 7;                       /* input complete; aka final pass */
+    else
+      iRslt = 3;                       /* anything between 0 and 7 will do */
+
+  }
+#endif
+  else
+    iRslt = 0;
+
+#ifdef MNG_SUPPORT_TRACE
+  MNG_TRACEX (((mng_datap)hHandle), MNG_FN_GET_REFRESHPASS, MNG_LC_END);
+#endif
+
+  return iRslt;
+}
+#endif /* MNG_SUPPORT_DISPLAY */
+
+/* ************************************************************************** */
+mng_uint8 MNG_DECL mng_get_alphacompression (mng_handle hHandle)
+{
+  mng_uint8 iRslt;
+
+#ifdef MNG_SUPPORT_TRACE
+  MNG_TRACEX (((mng_datap)hHandle), MNG_FN_GET_ALPHACOMPRESSION, MNG_LC_START);
+#endif
+
+  MNG_VALIDHANDLEX (hHandle)
+
+#ifdef MNG_INCLUDE_JNG
+  if (((mng_datap)hHandle)->eImagetype == mng_it_jng)
+    iRslt = ((mng_datap)hHandle)->iJHDRalphacompression;
+  else
+#endif
+    iRslt = 0;
+
+#ifdef MNG_SUPPORT_TRACE
+  MNG_TRACEX (((mng_datap)hHandle), MNG_FN_GET_ALPHACOMPRESSION, MNG_LC_END);
+#endif
+
+  return iRslt;
+}
+
+/* ************************************************************************** */
+
+mng_uint8 MNG_DECL mng_get_alphafilter (mng_handle hHandle)
+{
+  mng_uint8 iRslt;
+
+#ifdef MNG_SUPPORT_TRACE
+  MNG_TRACEX (((mng_datap)hHandle), MNG_FN_GET_ALPHAFILTER, MNG_LC_START);
+#endif
+
+  MNG_VALIDHANDLEX (hHandle)
+
+#ifdef MNG_INCLUDE_JNG
+  if (((mng_datap)hHandle)->eImagetype == mng_it_jng)
+    iRslt = ((mng_datap)hHandle)->iJHDRalphafilter;
+  else
+#endif
+    iRslt = 0;
+
+#ifdef MNG_SUPPORT_TRACE
+  MNG_TRACEX (((mng_datap)hHandle), MNG_FN_GET_ALPHAFILTER, MNG_LC_END);
+#endif
+
+  return iRslt;
+}
+
+/* ************************************************************************** */
+
+mng_uint8 MNG_DECL mng_get_alphainterlace (mng_handle hHandle)
+{
+  mng_uint8 iRslt;
+
+#ifdef MNG_SUPPORT_TRACE
+  MNG_TRACEX (((mng_datap)hHandle), MNG_FN_GET_ALPHAINTERLACE, MNG_LC_START);
+#endif
+
+  MNG_VALIDHANDLEX (hHandle)
+
+#ifdef MNG_INCLUDE_JNG
+  if (((mng_datap)hHandle)->eImagetype == mng_it_jng)
+    iRslt = ((mng_datap)hHandle)->iJHDRalphainterlace;
+  else
+#endif
+    iRslt = 0;
+
+#ifdef MNG_SUPPORT_TRACE
+  MNG_TRACEX (((mng_datap)hHandle), MNG_FN_GET_ALPHAINTERLACE, MNG_LC_END);
+#endif
+
+  return iRslt;
+}
+
+/* ************************************************************************** */
+
+mng_uint8 MNG_DECL mng_get_alphadepth (mng_handle hHandle)
+{
+#ifdef MNG_SUPPORT_TRACE
+  MNG_TRACEX (((mng_datap)hHandle), MNG_FN_GET_ALPHADEPTH, MNG_LC_START);
+#endif
+
+  MNG_VALIDHANDLEX (hHandle)
+
+#ifdef MNG_SUPPORT_TRACE
+  MNG_TRACEX (((mng_datap)hHandle), MNG_FN_GET_ALPHADEPTH, MNG_LC_END);
+#endif
+
+  return ((mng_datap)hHandle)->iAlphadepth;
+}
+
+/* ************************************************************************** */
+
+mng_uint32 MNG_DECL mng_get_canvasstyle (mng_handle hHandle)
+{
+#ifdef MNG_SUPPORT_TRACE
+  MNG_TRACEX (((mng_datap)hHandle), MNG_FN_GET_CANVASSTYLE, MNG_LC_START);
+#endif
+
+  MNG_VALIDHANDLEX (hHandle)
+
+#ifdef MNG_SUPPORT_TRACE
+  MNG_TRACEX (((mng_datap)hHandle), MNG_FN_GET_CANVASSTYLE, MNG_LC_END);
+#endif
+
+  return ((mng_datap)hHandle)->iCanvasstyle;
+}
+
+/* ************************************************************************** */
+
+mng_uint32 MNG_DECL mng_get_bkgdstyle (mng_handle hHandle)
+{
+#ifdef MNG_SUPPORT_TRACE
+  MNG_TRACEX (((mng_datap)hHandle), MNG_FN_GET_BKGDSTYLE, MNG_LC_START);
+#endif
+
+  MNG_VALIDHANDLEX (hHandle)
+
+#ifdef MNG_SUPPORT_TRACE
+  MNG_TRACEX (((mng_datap)hHandle), MNG_FN_GET_BKGDSTYLE, MNG_LC_END);
+#endif
+
+  return ((mng_datap)hHandle)->iBkgdstyle;
+}
+
+/* ************************************************************************** */
+
+mng_retcode MNG_DECL mng_get_bgcolor (mng_handle  hHandle,
+                                      mng_uint16* iRed,
+                                      mng_uint16* iGreen,
+                                      mng_uint16* iBlue)
+{
+#ifdef MNG_SUPPORT_TRACE
+  MNG_TRACE (((mng_datap)hHandle), MNG_FN_GET_BGCOLOR, MNG_LC_START);
+#endif
+
+  MNG_VALIDHANDLE (hHandle)
+  *iRed   = ((mng_datap)hHandle)->iBGred;
+  *iGreen = ((mng_datap)hHandle)->iBGgreen;
+  *iBlue  = ((mng_datap)hHandle)->iBGblue;
+
+#ifdef MNG_SUPPORT_TRACE
+  MNG_TRACE (((mng_datap)hHandle), MNG_FN_GET_BGCOLOR, MNG_LC_END);
+#endif
+
+  return MNG_NOERROR;
+}
+
+/* ************************************************************************** */
+
+mng_bool MNG_DECL mng_get_usebkgd (mng_handle hHandle)
+{
+#ifdef MNG_SUPPORT_TRACE
+  MNG_TRACEB (((mng_datap)hHandle), MNG_FN_GET_USEBKGD, MNG_LC_START);
+#endif
+
+  MNG_VALIDHANDLEX (hHandle)
+
+#ifdef MNG_SUPPORT_TRACE
+  MNG_TRACEB (((mng_datap)hHandle), MNG_FN_GET_USEBKGD, MNG_LC_END);
+#endif
+
+  return ((mng_datap)hHandle)->bUseBKGD;
+}
+
+/* ************************************************************************** */
+
+mng_bool MNG_DECL mng_get_storechunks (mng_handle hHandle)
+{
+#ifdef MNG_SUPPORT_TRACE
+  MNG_TRACEB (((mng_datap)hHandle), MNG_FN_GET_STORECHUNKS, MNG_LC_START);
+#endif
+
+  MNG_VALIDHANDLEX (hHandle)
+
+#ifdef MNG_SUPPORT_TRACE
+  MNG_TRACEB (((mng_datap)hHandle), MNG_FN_GET_STORECHUNKS, MNG_LC_END);
+#endif
+
+  return ((mng_datap)hHandle)->bStorechunks;
+}
+
+/* ************************************************************************** */
+
+mng_bool MNG_DECL mng_get_sectionbreaks (mng_handle hHandle)
+{
+#ifdef MNG_SUPPORT_TRACE
+  MNG_TRACEB (((mng_datap)hHandle), MNG_FN_GET_SECTIONBREAKS, MNG_LC_START);
+#endif
+
+  MNG_VALIDHANDLEX (hHandle)
+
+#ifdef MNG_SUPPORT_TRACE
+  MNG_TRACEB (((mng_datap)hHandle), MNG_FN_GET_SECTIONBREAKS, MNG_LC_END);
+#endif
+
+  return ((mng_datap)hHandle)->bSectionbreaks;
+}
+
+/* ************************************************************************** */
+
+mng_bool MNG_DECL mng_get_cacheplayback (mng_handle hHandle)
+{
+#ifdef MNG_SUPPORT_TRACE
+  MNG_TRACEB (((mng_datap)hHandle), MNG_FN_GET_CACHEPLAYBACK, MNG_LC_START);
+#endif
+
+  MNG_VALIDHANDLEX (hHandle)
+
+#ifdef MNG_SUPPORT_TRACE
+  MNG_TRACEB (((mng_datap)hHandle), MNG_FN_GET_CACHEPLAYBACK, MNG_LC_END);
+#endif
+
+  return ((mng_datap)hHandle)->bCacheplayback;
+}
+
+/* ************************************************************************** */
+
+mng_bool MNG_DECL mng_get_doprogressive (mng_handle hHandle)
+{
+#ifdef MNG_SUPPORT_TRACE
+  MNG_TRACEB (((mng_datap)hHandle), MNG_FN_GET_DOPROGRESSIVE, MNG_LC_START);
+#endif
+
+  MNG_VALIDHANDLEX (hHandle)
+
+#ifdef MNG_SUPPORT_TRACE
+  MNG_TRACEB (((mng_datap)hHandle), MNG_FN_GET_DOPROGRESSIVE, MNG_LC_END);
+#endif
+
+  return ((mng_datap)hHandle)->bDoProgressive;
+}
+
+/* ************************************************************************** */
+
+mng_uint32 MNG_DECL mng_get_crcmode (mng_handle hHandle)
+{
+#ifdef MNG_SUPPORT_TRACE
+  MNG_TRACEB (((mng_datap)hHandle), MNG_FN_GET_CRCMODE, MNG_LC_START);
+#endif
+
+  MNG_VALIDHANDLEX (hHandle)
+
+#ifdef MNG_SUPPORT_TRACE
+  MNG_TRACEB (((mng_datap)hHandle), MNG_FN_GET_CRCMODE, MNG_LC_END);
+#endif
+
+  return ((mng_datap)hHandle)->iCrcmode;
+}
+
+/* ************************************************************************** */
+
+#ifdef MNG_SUPPORT_DISPLAY
+mng_bool MNG_DECL mng_get_srgb (mng_handle hHandle)
+{
+#ifdef MNG_SUPPORT_TRACE
+  MNG_TRACEB (((mng_datap)hHandle), MNG_FN_GET_SRGB, MNG_LC_START);
+#endif
+
+  MNG_VALIDHANDLEX (hHandle)
+
+#ifdef MNG_SUPPORT_TRACE
+  MNG_TRACEB (((mng_datap)hHandle), MNG_FN_GET_SRGB, MNG_LC_END);
+#endif
+
+  return ((mng_datap)hHandle)->bIssRGB;
+}
+#endif /* MNG_SUPPORT_DISPLAY */
+
+/* ************************************************************************** */
+
+#if defined(MNG_FULL_CMS) || defined(MNG_GAMMA_ONLY) || defined(MNG_APP_CMS)
+mng_float MNG_DECL mng_get_viewgamma (mng_handle hHandle)
+{
+#ifdef MNG_SUPPORT_TRACE
+  MNG_TRACEX (((mng_datap)hHandle), MNG_FN_GET_VIEWGAMMA, MNG_LC_START);
+#endif
+
+  MNG_VALIDHANDLEX (hHandle)
+
+#ifdef MNG_SUPPORT_TRACE
+  MNG_TRACEX (((mng_datap)hHandle), MNG_FN_GET_VIEWGAMMA, MNG_LC_END);
+#endif
+
+  return ((mng_datap)hHandle)->dViewgamma;
+}
+#endif
+
+/* ************************************************************************** */
+
+#if defined(MNG_FULL_CMS) || defined(MNG_GAMMA_ONLY) || defined(MNG_APP_CMS)
+mng_float MNG_DECL mng_get_displaygamma (mng_handle hHandle)
+{
+#ifdef MNG_SUPPORT_TRACE
+  MNG_TRACEX (((mng_datap)hHandle), MNG_FN_GET_DISPLAYGAMMA, MNG_LC_START);
+#endif
+
+  MNG_VALIDHANDLEX (hHandle)
+
+#ifdef MNG_SUPPORT_TRACE
+  MNG_TRACEX (((mng_datap)hHandle), MNG_FN_GET_DISPLAYGAMMA, MNG_LC_END);
+#endif
+
+  return ((mng_datap)hHandle)->dDisplaygamma;
+}
+#endif
+
+/* ************************************************************************** */
+
+#ifndef MNG_NO_DFLT_INFO
+#if defined(MNG_FULL_CMS) || defined(MNG_GAMMA_ONLY) || defined(MNG_APP_CMS)
+mng_float MNG_DECL mng_get_dfltimggamma (mng_handle hHandle)
+{
+#ifdef MNG_SUPPORT_TRACE
+  MNG_TRACEX (((mng_datap)hHandle), MNG_FN_GET_DFLTIMGGAMMA, MNG_LC_START);
+#endif
+
+  MNG_VALIDHANDLEX (hHandle)
+
+#ifdef MNG_SUPPORT_TRACE
+  MNG_TRACEX (((mng_datap)hHandle), MNG_FN_GET_DFLTIMGGAMMA, MNG_LC_END);
+#endif
+
+  return ((mng_datap)hHandle)->dDfltimggamma;
+}
+#endif
+#endif
+
+/* ************************************************************************** */
+
+#if defined(MNG_FULL_CMS) || defined(MNG_GAMMA_ONLY) || defined(MNG_APP_CMS)
+mng_uint32 MNG_DECL mng_get_viewgammaint (mng_handle hHandle)
+{
+#ifdef MNG_SUPPORT_TRACE
+  MNG_TRACEX (((mng_datap)hHandle), MNG_FN_GET_VIEWGAMMA, MNG_LC_START);
+#endif
+
+  MNG_VALIDHANDLEX (hHandle)
+
+#ifdef MNG_SUPPORT_TRACE
+  MNG_TRACEX (((mng_datap)hHandle), MNG_FN_GET_VIEWGAMMA, MNG_LC_END);
+#endif
+
+  return (mng_uint32)(((mng_datap)hHandle)->dViewgamma * 100000);
+}
+#endif
+
+/* ************************************************************************** */
+
+#if defined(MNG_FULL_CMS) || defined(MNG_GAMMA_ONLY) || defined(MNG_APP_CMS)
+mng_uint32 MNG_DECL mng_get_displaygammaint (mng_handle hHandle)
+{
+#ifdef MNG_SUPPORT_TRACE
+  MNG_TRACEX (((mng_datap)hHandle), MNG_FN_GET_DISPLAYGAMMA, MNG_LC_START);
+#endif
+
+  MNG_VALIDHANDLEX (hHandle)
+
+#ifdef MNG_SUPPORT_TRACE
+  MNG_TRACEX (((mng_datap)hHandle), MNG_FN_GET_DISPLAYGAMMA, MNG_LC_END);
+#endif
+
+  return (mng_uint32)(((mng_datap)hHandle)->dDisplaygamma * 100000);
+}
+#endif
+
+/* ************************************************************************** */
+
+#ifndef MNG_NO_DFLT_INFO
+#if defined(MNG_FULL_CMS) || defined(MNG_GAMMA_ONLY) || defined(MNG_APP_CMS)
+mng_uint32 MNG_DECL mng_get_dfltimggammaint (mng_handle hHandle)
+{
+#ifdef MNG_SUPPORT_TRACE
+  MNG_TRACEX (((mng_datap)hHandle), MNG_FN_GET_DFLTIMGGAMMA, MNG_LC_START);
+#endif
+
+  MNG_VALIDHANDLEX (hHandle)
+
+#ifdef MNG_SUPPORT_TRACE
+  MNG_TRACEX (((mng_datap)hHandle), MNG_FN_GET_DFLTIMGGAMMA, MNG_LC_END);
+#endif
+
+  return (mng_uint32)(((mng_datap)hHandle)->dDfltimggamma * 100000);
+}
+#endif
+#endif
+
+/* ************************************************************************** */
+
+#ifndef MNG_SKIP_MAXCANVAS
+mng_uint32 MNG_DECL mng_get_maxcanvaswidth (mng_handle hHandle)
+{
+#ifdef MNG_SUPPORT_TRACE
+  MNG_TRACEX (((mng_datap)hHandle), MNG_FN_GET_MAXCANVASWIDTH, MNG_LC_START);
+#endif
+
+  MNG_VALIDHANDLEX (hHandle)
+
+#ifdef MNG_SUPPORT_TRACE
+  MNG_TRACEX (((mng_datap)hHandle), MNG_FN_GET_MAXCANVASWIDTH, MNG_LC_END);
+#endif
+
+  return ((mng_datap)hHandle)->iMaxwidth;
+}
+
+/* ************************************************************************** */
+
+mng_uint32 MNG_DECL mng_get_maxcanvasheight (mng_handle hHandle)
+{
+#ifdef MNG_SUPPORT_TRACE
+  MNG_TRACEX (((mng_datap)hHandle), MNG_FN_GET_MAXCANVASHEIGHT, MNG_LC_START);
+#endif
+
+  MNG_VALIDHANDLEX (hHandle)
+
+#ifdef MNG_SUPPORT_TRACE
+  MNG_TRACEX (((mng_datap)hHandle), MNG_FN_GET_MAXCANVASHEIGHT, MNG_LC_END);
+#endif
+
+  return ((mng_datap)hHandle)->iMaxheight;
+}
+#endif
+
+/* ************************************************************************** */
+
+#ifdef MNG_INCLUDE_ZLIB
+#ifdef MNG_ACCESS_ZLIB
+mng_int32 MNG_DECL mng_get_zlib_level (mng_handle hHandle)
+{
+#ifdef MNG_SUPPORT_TRACE
+  MNG_TRACEX (((mng_datap)hHandle), MNG_FN_GET_ZLIB_LEVEL, MNG_LC_START);
+#endif
+
+  MNG_VALIDHANDLEX (hHandle)
+
+#ifdef MNG_SUPPORT_TRACE
+  MNG_TRACEX (((mng_datap)hHandle), MNG_FN_GET_ZLIB_LEVEL, MNG_LC_END);
+#endif
+
+  return ((mng_datap)hHandle)->iZlevel;
+}
+#endif /* MNG_ACCESS_ZLIB */
+#endif /* MNG_INCLUDE_ZLIB */
+
+/* ************************************************************************** */
+#ifdef MNG_INCLUDE_ZLIB
+#ifdef MNG_ACCESS_ZLIB
+mng_int32 MNG_DECL mng_get_zlib_method (mng_handle hHandle)
+{
+#ifdef MNG_SUPPORT_TRACE
+  MNG_TRACEX (((mng_datap)hHandle), MNG_FN_GET_ZLIB_METHOD, MNG_LC_START);
+#endif
+
+  MNG_VALIDHANDLEX (hHandle)
+
+#ifdef MNG_SUPPORT_TRACE
+  MNG_TRACEX (((mng_datap)hHandle), MNG_FN_GET_ZLIB_METHOD, MNG_LC_END);
+#endif
+
+  return ((mng_datap)hHandle)->iZmethod;
+}
+
+#endif /* MNG_ACCESS_ZLIB */
+#endif /* MNG_INCLUDE_ZLIB */
+
+/* ************************************************************************** */
+
+#ifdef MNG_INCLUDE_ZLIB
+#ifdef MNG_ACCESS_ZLIB
+mng_int32 MNG_DECL mng_get_zlib_windowbits (mng_handle hHandle)
+{
+#ifdef MNG_SUPPORT_TRACE
+  MNG_TRACEX (((mng_datap)hHandle), MNG_FN_GET_ZLIB_WINDOWBITS, MNG_LC_START);
+#endif
+
+  MNG_VALIDHANDLEX (hHandle)
+
+#ifdef MNG_SUPPORT_TRACE
+  MNG_TRACEX (((mng_datap)hHandle), MNG_FN_GET_ZLIB_WINDOWBITS, MNG_LC_END);
+#endif
+
+  return ((mng_datap)hHandle)->iZwindowbits;
+}
+#endif /* MNG_ACCESS_ZLIB */
+#endif /* MNG_INCLUDE_ZLIB */
+
+/* ************************************************************************** */
+
+#ifdef MNG_INCLUDE_ZLIB
+#ifdef MNG_ACCESS_ZLIB
+mng_int32 MNG_DECL mng_get_zlib_memlevel (mng_handle hHandle)
+{
+#ifdef MNG_SUPPORT_TRACE
+  MNG_TRACEX (((mng_datap)hHandle), MNG_FN_GET_ZLIB_MEMLEVEL, MNG_LC_START);
+#endif
+
+  MNG_VALIDHANDLEX (hHandle)
+
+#ifdef MNG_SUPPORT_TRACE
+  MNG_TRACEX (((mng_datap)hHandle), MNG_FN_GET_ZLIB_MEMLEVEL, MNG_LC_END);
+#endif
+
+  return ((mng_datap)hHandle)->iZmemlevel;
+}
+#endif /* MNG_ACCESS_ZLIB */
+#endif /* MNG_INCLUDE_ZLIB */
+
+/* ************************************************************************** */
+
+#ifdef MNG_INCLUDE_ZLIB
+#ifdef MNG_ACCESS_ZLIB
+mng_int32 MNG_DECL mng_get_zlib_strategy (mng_handle hHandle)
+{
+#ifdef MNG_SUPPORT_TRACE
+  MNG_TRACEX (((mng_datap)hHandle), MNG_FN_GET_ZLIB_STRATEGY, MNG_LC_START);
+#endif
+
+  MNG_VALIDHANDLEX (hHandle)
+
+#ifdef MNG_SUPPORT_TRACE
+  MNG_TRACEX (((mng_datap)hHandle), MNG_FN_GET_ZLIB_STRATEGY, MNG_LC_END);
+#endif
+
+  return ((mng_datap)hHandle)->iZstrategy;
+}
+#endif /* MNG_ACCESS_ZLIB */
+#endif /* MNG_INCLUDE_ZLIB */
+
+/* ************************************************************************** */
+
+#ifdef MNG_INCLUDE_ZLIB
+#ifdef MNG_ACCESS_ZLIB
+mng_uint32 MNG_DECL mng_get_zlib_maxidat (mng_handle hHandle)
+{
+#ifdef MNG_SUPPORT_TRACE
+  MNG_TRACEX (((mng_datap)hHandle), MNG_FN_GET_ZLIB_MAXIDAT, MNG_LC_START);
+#endif
+
+  MNG_VALIDHANDLEX (hHandle)
+
+#ifdef MNG_SUPPORT_TRACE
+  MNG_TRACEX (((mng_datap)hHandle), MNG_FN_GET_ZLIB_MAXIDAT, MNG_LC_END);
+#endif
+
+  return ((mng_datap)hHandle)->iMaxIDAT;
+}
+#endif /* MNG_ACCESS_ZLIB */
+#endif /* MNG_INCLUDE_ZLIB */
+
+/* ************************************************************************** */
+
+#ifdef MNG_INCLUDE_JNG
+#ifdef MNG_ACCESS_JPEG
+mngjpeg_dctmethod MNG_DECL mng_get_jpeg_dctmethod (mng_handle hHandle)
+{
+#ifdef MNG_SUPPORT_TRACE
+  MNG_TRACEX (((mng_datap)hHandle), MNG_FN_GET_JPEG_DCTMETHOD, MNG_LC_START);
+#endif
+
+  if ((hHandle == 0) || (((mng_datap)hHandle)->iMagic != MNG_MAGIC))
+    return JDCT_ISLOW;
+
+#ifdef MNG_SUPPORT_TRACE
+  MNG_TRACEX (((mng_datap)hHandle), MNG_FN_GET_JPEG_DCTMETHOD, MNG_LC_END);
+#endif
+
+  return ((mng_datap)hHandle)->eJPEGdctmethod;
+}
+#endif /* MNG_ACCESS_JPEG */
+#endif /* MNG_INCLUDE_JNG */
+
+/* ************************************************************************** */
+
+#ifdef MNG_INCLUDE_JNG
+#ifdef MNG_ACCESS_JPEG
+mng_int32 MNG_DECL mng_get_jpeg_quality (mng_handle hHandle)
+{
+#ifdef MNG_SUPPORT_TRACE
+  MNG_TRACEX (((mng_datap)hHandle), MNG_FN_GET_JPEG_QUALITY, MNG_LC_START);
+#endif
+
+  MNG_VALIDHANDLEX (hHandle)
+
+#ifdef MNG_SUPPORT_TRACE
+  MNG_TRACEX (((mng_datap)hHandle), MNG_FN_GET_JPEG_QUALITY, MNG_LC_END);
+#endif
+
+  return ((mng_datap)hHandle)->iJPEGquality;
+}
+#endif /* MNG_ACCESS_JPEG */
+#endif /* MNG_INCLUDE_JNG */
+
+/* ************************************************************************** */
+
+#ifdef MNG_INCLUDE_JNG
+#ifdef MNG_ACCESS_JPEG
+mng_int32 MNG_DECL mng_get_jpeg_smoothing (mng_handle hHandle)
+{
+#ifdef MNG_SUPPORT_TRACE
+  MNG_TRACEX (((mng_datap)hHandle), MNG_FN_GET_JPEG_SMOOTHING, MNG_LC_START);
+#endif
+
+  MNG_VALIDHANDLEX (hHandle)
+
+#ifdef MNG_SUPPORT_TRACE
+  MNG_TRACEX (((mng_datap)hHandle), MNG_FN_GET_JPEG_SMOOTHING, MNG_LC_END);
+#endif
+
+  return ((mng_datap)hHandle)->iJPEGsmoothing;
+}
+#endif /* MNG_ACCESS_JPEG */
+#endif /* MNG_INCLUDE_JNG */
+
+/* ************************************************************************** */
+
+#ifdef MNG_INCLUDE_JNG
+#ifdef MNG_ACCESS_JPEG
+mng_bool MNG_DECL mng_get_jpeg_progressive (mng_handle hHandle)
+{
+#ifdef MNG_SUPPORT_TRACE
+  MNG_TRACEX (((mng_datap)hHandle), MNG_FN_GET_JPEG_PROGRESSIVE, MNG_LC_START);
+#endif
+
+  MNG_VALIDHANDLEX (hHandle)
+
+#ifdef MNG_SUPPORT_TRACE
+  MNG_TRACEX (((mng_datap)hHandle), MNG_FN_GET_JPEG_PROGRESSIVE, MNG_LC_END);
+#endif
+
+  return ((mng_datap)hHandle)->bJPEGcompressprogr;
+}
+#endif /* MNG_ACCESS_JPEG */
+#endif /* MNG_INCLUDE_JNG */
+
+/* ************************************************************************** */
+
+#ifdef MNG_INCLUDE_JNG
+#ifdef MNG_ACCESS_JPEG
+mng_bool MNG_DECL mng_get_jpeg_optimized (mng_handle hHandle)
+{
+#ifdef MNG_SUPPORT_TRACE
+  MNG_TRACEX (((mng_datap)hHandle), MNG_FN_GET_JPEG_OPTIMIZED, MNG_LC_START);
+#endif
+
+  MNG_VALIDHANDLEX (hHandle)
+
+#ifdef MNG_SUPPORT_TRACE
+  MNG_TRACEX (((mng_datap)hHandle), MNG_FN_GET_JPEG_OPTIMIZED, MNG_LC_END);
+#endif
+
+  return ((mng_datap)hHandle)->bJPEGcompressopt;
+}
+#endif /* MNG_ACCESS_JPEG */
+#endif /* MNG_INCLUDE_JNG */
+
+/* ************************************************************************** */
+
+#ifdef MNG_INCLUDE_JNG
+#ifdef MNG_ACCESS_JPEG
+mng_uint32 MNG_DECL mng_get_jpeg_maxjdat (mng_handle hHandle)
+{
+#ifdef MNG_SUPPORT_TRACE
+  MNG_TRACEX (((mng_datap)hHandle), MNG_FN_GET_JPEG_MAXJDAT, MNG_LC_START);
+#endif
+
+  MNG_VALIDHANDLEX (hHandle)
+
+#ifdef MNG_SUPPORT_TRACE
+  MNG_TRACEX (((mng_datap)hHandle), MNG_FN_GET_JPEG_MAXJDAT, MNG_LC_END);
+#endif
+
+  return ((mng_datap)hHandle)->iMaxJDAT;
+}
+#endif /* MNG_ACCESS_JPEG */
+#endif /* MNG_INCLUDE_JNG */
+
+/* ************************************************************************** */
+
+#ifdef MNG_SUPPORT_READ
+mng_bool MNG_DECL mng_get_suspensionmode (mng_handle hHandle)
+{
+#ifdef MNG_SUPPORT_TRACE
+  MNG_TRACEX (((mng_datap)hHandle), MNG_FN_GET_SUSPENSIONMODE, MNG_LC_START);
+#endif
+
+  if ((hHandle == 0) || (((mng_datap)hHandle)->iMagic != MNG_MAGIC))
+    return MNG_FALSE;
+
+#ifdef MNG_SUPPORT_TRACE
+  MNG_TRACEX (((mng_datap)hHandle), MNG_FN_GET_SUSPENSIONMODE, MNG_LC_END);
+#endif
+
+  return ((mng_datap)hHandle)->bSuspensionmode;
+}
+#endif /* MNG_SUPPORT_READ */
+
+/* ************************************************************************** */
+
+#ifdef MNG_SUPPORT_DISPLAY
+mng_speedtype MNG_DECL mng_get_speed (mng_handle hHandle)
+{
+#ifdef MNG_SUPPORT_TRACE
+  MNG_TRACEX (((mng_datap)hHandle), MNG_FN_GET_SPEED, MNG_LC_START);
+#endif
+
+  if ((hHandle == 0) || (((mng_datap)hHandle)->iMagic != MNG_MAGIC))
+    return mng_st_normal;
+
+#ifdef MNG_SUPPORT_TRACE
+  MNG_TRACEX (((mng_datap)hHandle), MNG_FN_GET_SPEED, MNG_LC_END);
+#endif
+
+  return ((mng_datap)hHandle)->iSpeed;
+}
+#endif /* MNG_SUPPORT_DISPLAY */
+
+/* ************************************************************************** */
+
+mng_uint32 MNG_DECL mng_get_imagelevel (mng_handle hHandle)
+{
+#ifdef MNG_SUPPORT_TRACE
+  MNG_TRACEX (((mng_datap)hHandle), MNG_FN_GET_IMAGELEVEL, MNG_LC_START);
+#endif
+
+  MNG_VALIDHANDLEX (hHandle)
+
+#ifdef MNG_SUPPORT_TRACE
+  MNG_TRACEX (((mng_datap)hHandle), MNG_FN_GET_IMAGELEVEL, MNG_LC_END);
+#endif
+
+  return ((mng_datap)hHandle)->iImagelevel;
+}
+
+/* ************************************************************************** */
+
+#ifdef MNG_SUPPORT_DISPLAY
+mng_retcode MNG_DECL mng_get_lastbackchunk (mng_handle  hHandle,
+                                            mng_uint16* iRed,
+                                            mng_uint16* iGreen,
+                                            mng_uint16* iBlue,
+                                            mng_uint8*  iMandatory)
+{
+#ifdef MNG_SUPPORT_TRACE
+  MNG_TRACEX (((mng_datap)hHandle), MNG_FN_GET_LASTBACKCHUNK, MNG_LC_START);
+#endif
+
+  MNG_VALIDHANDLE (hHandle)
+
+  if (((mng_datap)hHandle)->eImagetype != mng_it_mng)
+    MNG_ERROR (((mng_datap)hHandle), MNG_FUNCTIONINVALID);
+
+  *iRed       = ((mng_datap)hHandle)->iBACKred;
+  *iGreen     = ((mng_datap)hHandle)->iBACKgreen;
+  *iBlue      = ((mng_datap)hHandle)->iBACKblue;
+  *iMandatory = ((mng_datap)hHandle)->iBACKmandatory;
+
+#ifdef MNG_SUPPORT_TRACE
+  MNG_TRACEX (((mng_datap)hHandle), MNG_FN_GET_LASTBACKCHUNK, MNG_LC_END);
+#endif
+
+  return MNG_NOERROR;
+}
+#endif /* MNG_SUPPORT_DISPLAY */
+
+/* ************************************************************************** */
+
+#ifdef MNG_SUPPORT_DISPLAY
+mng_retcode MNG_DECL mng_get_lastseekname (mng_handle hHandle,
+                                           mng_pchar  zSegmentname)
+{
+  mng_datap pData;
+
+#ifdef MNG_SUPPORT_TRACE
+  MNG_TRACEX (((mng_datap)hHandle), MNG_FN_GET_LASTSEEKNAME, MNG_LC_START);
+#endif
+
+  MNG_VALIDHANDLE (hHandle)
+
+  pData = (mng_datap)hHandle;
+                                       /* only allowed for MNG ! */
+  if (pData->eImagetype != mng_it_mng)
+    MNG_ERROR (pData, MNG_FUNCTIONINVALID);
+
+  if (pData->pLastseek)                /* is there a last SEEK ? */
+  {
+    mng_ani_seekp pSEEK = (mng_ani_seekp)pData->pLastseek;
+
+    if (pSEEK->iSegmentnamesize)       /* copy the name if there is one */
+      MNG_COPY (zSegmentname, pSEEK->zSegmentname, pSEEK->iSegmentnamesize);
+
+    *(((mng_uint8p)zSegmentname) + pSEEK->iSegmentnamesize) = 0;
+  }
+  else
+  {                                    /* return an empty string */
+    *((mng_uint8p)zSegmentname) = 0;
+  }
+
+#ifdef MNG_SUPPORT_TRACE
+  MNG_TRACEX (((mng_datap)hHandle), MNG_FN_GET_LASTSEEKNAME, MNG_LC_END);
+#endif
+
+  return MNG_NOERROR;
+}
+#endif /* MNG_SUPPORT_DISPLAY */
+
+/* ************************************************************************** */
+
+#ifdef MNG_SUPPORT_DISPLAY
+mng_uint32 MNG_DECL mng_get_currframdelay (mng_handle hHandle)
+{
+  mng_datap  pData;
+  mng_uint32 iRslt;
+
+#ifdef MNG_SUPPORT_TRACE
+  MNG_TRACEX (((mng_datap)hHandle), MNG_FN_GET_CURRFRAMDELAY, MNG_LC_START);
+#endif
+
+  MNG_VALIDHANDLE (hHandle)
+
+  pData = (mng_datap)hHandle;
+                                       /* only allowed for MNG ! */
+  if (pData->eImagetype != mng_it_mng)
+    MNG_ERROR (pData, MNG_FUNCTIONINVALID);
+
+  iRslt = pData->iFramedelay;
+
+#ifdef MNG_SUPPORT_TRACE
+  MNG_TRACEX (((mng_datap)hHandle), MNG_FN_GET_CURRFRAMDELAY, MNG_LC_END);
+#endif
+
+  return iRslt;
+}
+#endif /* MNG_SUPPORT_DISPLAY */
+
+/* ************************************************************************** */
+
+#ifdef MNG_SUPPORT_DISPLAY
+mng_uint32 MNG_DECL mng_get_starttime (mng_handle hHandle)
+{
+#ifdef MNG_SUPPORT_TRACE
+  MNG_TRACEX (((mng_datap)hHandle), MNG_FN_GET_STARTTIME, MNG_LC_START);
+#endif
+
+  if ((hHandle == 0) || (((mng_datap)hHandle)->iMagic != MNG_MAGIC))
+    return mng_st_normal;
+
+#ifdef MNG_SUPPORT_TRACE
+  MNG_TRACEX (((mng_datap)hHandle), MNG_FN_GET_STARTTIME, MNG_LC_END);
+#endif
+
+  return ((mng_datap)hHandle)->iStarttime;
+}
+#endif /* MNG_SUPPORT_DISPLAY */
+
+/* ************************************************************************** */
+
+#ifdef MNG_SUPPORT_DISPLAY
+mng_uint32 MNG_DECL mng_get_runtime (mng_handle hHandle)
+{
+#ifdef MNG_SUPPORT_TRACE
+  MNG_TRACEX (((mng_datap)hHandle), MNG_FN_GET_RUNTIME, MNG_LC_START);
+#endif
+
+  if ((hHandle == 0) || (((mng_datap)hHandle)->iMagic != MNG_MAGIC))
+    return mng_st_normal;
+
+#ifdef MNG_SUPPORT_TRACE
+  MNG_TRACEX (((mng_datap)hHandle), MNG_FN_GET_RUNTIME, MNG_LC_END);
+#endif
+
+  return ((mng_datap)hHandle)->iRuntime;
+}
+#endif /* MNG_SUPPORT_DISPLAY */
+
+/* ************************************************************************** */
+
+#ifdef MNG_SUPPORT_DISPLAY
+#ifndef MNG_NO_CURRENT_INFO
+mng_uint32 MNG_DECL mng_get_currentframe (mng_handle hHandle)
+{
+#ifdef MNG_SUPPORT_TRACE
+  MNG_TRACEX (((mng_datap)hHandle), MNG_FN_GET_CURRENTFRAME, MNG_LC_START);
+#endif
+
+  if ((hHandle == 0) || (((mng_datap)hHandle)->iMagic != MNG_MAGIC))
+    return mng_st_normal;
+
+#ifdef MNG_SUPPORT_TRACE
+  MNG_TRACEX (((mng_datap)hHandle), MNG_FN_GET_CURRENTFRAME, MNG_LC_END);
+#endif
+
+  return ((mng_datap)hHandle)->iFrameseq;
+}
+#endif
+#endif /* MNG_SUPPORT_DISPLAY */
+
+/* ************************************************************************** */
+
+#ifdef MNG_SUPPORT_DISPLAY
+#ifndef MNG_NO_CURRENT_INFO
+mng_uint32 MNG_DECL mng_get_currentlayer (mng_handle hHandle)
+{
+#ifdef MNG_SUPPORT_TRACE
+  MNG_TRACEX (((mng_datap)hHandle), MNG_FN_GET_CURRENTLAYER, MNG_LC_START);
+#endif
+
+  if ((hHandle == 0) || (((mng_datap)hHandle)->iMagic != MNG_MAGIC))
+    return mng_st_normal;
+
+#ifdef MNG_SUPPORT_TRACE
+  MNG_TRACEX (((mng_datap)hHandle), MNG_FN_GET_CURRENTLAYER, MNG_LC_END);
+#endif
+
+  return ((mng_datap)hHandle)->iLayerseq;
+}
+#endif
+#endif /* MNG_SUPPORT_DISPLAY */
+
+/* ************************************************************************** */
+
+#ifdef MNG_SUPPORT_DISPLAY
+#ifndef MNG_NO_CURRENT_INFO
+mng_uint32 MNG_DECL mng_get_currentplaytime (mng_handle hHandle)
+{
+#ifdef MNG_SUPPORT_TRACE
+  MNG_TRACEX (((mng_datap)hHandle), MNG_FN_GET_CURRENTPLAYTIME, MNG_LC_START);
+#endif
+
+  if ((hHandle == 0) || (((mng_datap)hHandle)->iMagic != MNG_MAGIC))
+    return mng_st_normal;
+
+#ifdef MNG_SUPPORT_TRACE
+  MNG_TRACEX (((mng_datap)hHandle), MNG_FN_GET_CURRENTPLAYTIME, MNG_LC_END);
+#endif
+
+  return ((mng_datap)hHandle)->iFrametime;
+}
+#endif
+#endif /* MNG_SUPPORT_DISPLAY */
+
+/* ************************************************************************** */
+
+#ifdef MNG_SUPPORT_DISPLAY
+#ifndef MNG_NO_CURRENT_INFO
+mng_uint32 MNG_DECL mng_get_totalframes (mng_handle hHandle)
+{
+#ifdef MNG_SUPPORT_TRACE
+  MNG_TRACEX (((mng_datap)hHandle), MNG_FN_GET_TOTALFRAMES, MNG_LC_START);
+#endif
+
+  if ((hHandle == 0) || (((mng_datap)hHandle)->iMagic != MNG_MAGIC))
+    return mng_st_normal;
+
+#ifdef MNG_SUPPORT_TRACE
+  MNG_TRACEX (((mng_datap)hHandle), MNG_FN_GET_TOTALFRAMES, MNG_LC_END);
+#endif
+
+  return ((mng_datap)hHandle)->iTotalframes;
+}
+#endif
+#endif /* MNG_SUPPORT_DISPLAY */
+
+/* ************************************************************************** */
+
+#ifdef MNG_SUPPORT_DISPLAY
+#ifndef MNG_NO_CURRENT_INFO
+mng_uint32 MNG_DECL mng_get_totallayers (mng_handle hHandle)
+{
+#ifdef MNG_SUPPORT_TRACE
+  MNG_TRACEX (((mng_datap)hHandle), MNG_FN_GET_TOTALLAYERS, MNG_LC_START);
+#endif
+
+  if ((hHandle == 0) || (((mng_datap)hHandle)->iMagic != MNG_MAGIC))
+    return mng_st_normal;
+
+#ifdef MNG_SUPPORT_TRACE
+  MNG_TRACEX (((mng_datap)hHandle), MNG_FN_GET_TOTALLAYERS, MNG_LC_END);
+#endif
+
+  return ((mng_datap)hHandle)->iTotallayers;
+}
+#endif
+#endif /* MNG_SUPPORT_DISPLAY */
+
+/* ************************************************************************** */
+
+#ifdef MNG_SUPPORT_DISPLAY
+#ifndef MNG_NO_CURRENT_INFO
+mng_uint32 MNG_DECL mng_get_totalplaytime (mng_handle hHandle)
+{
+#ifdef MNG_SUPPORT_TRACE
+  MNG_TRACEX (((mng_datap)hHandle), MNG_FN_GET_TOTALPLAYTIME, MNG_LC_START);
+#endif
+
+  if ((hHandle == 0) || (((mng_datap)hHandle)->iMagic != MNG_MAGIC))
+    return mng_st_normal;
+
+#ifdef MNG_SUPPORT_TRACE
+  MNG_TRACEX (((mng_datap)hHandle), MNG_FN_GET_TOTALPLAYTIME, MNG_LC_END);
+#endif
+
+  return ((mng_datap)hHandle)->iTotalplaytime;
+}
+#endif
+#endif /* MNG_SUPPORT_DISPLAY */
+
+/* ************************************************************************** */
+
+mng_bool MNG_DECL mng_status_error (mng_handle hHandle)
+{
+#ifdef MNG_SUPPORT_TRACE
+  MNG_TRACEX (((mng_datap)hHandle), MNG_FN_STATUS_ERROR, MNG_LC_START);
+#endif
+
+  if ((hHandle == 0) || (((mng_datap)hHandle)->iMagic != MNG_MAGIC))
+    return MNG_FALSE;
+
+#ifdef MNG_SUPPORT_TRACE
+  MNG_TRACEX (((mng_datap)hHandle), MNG_FN_STATUS_ERROR, MNG_LC_END);
+#endif
+
+  return (mng_bool)((mng_datap)hHandle)->iErrorcode;
+}
+
+/* ************************************************************************** */
+
+#ifdef MNG_SUPPORT_READ
+mng_bool MNG_DECL mng_status_reading (mng_handle hHandle)
+{
+#ifdef MNG_SUPPORT_TRACE
+  MNG_TRACEX (((mng_datap)hHandle), MNG_FN_STATUS_READING, MNG_LC_START);
+#endif
+
+  if ((hHandle == 0) || (((mng_datap)hHandle)->iMagic != MNG_MAGIC))
+    return MNG_FALSE;
+
+#ifdef MNG_SUPPORT_TRACE
+  MNG_TRACEX (((mng_datap)hHandle), MNG_FN_STATUS_READING, MNG_LC_END);
+#endif
+
+  return ((mng_datap)hHandle)->bReading;
+}
+#endif
+
+/* ************************************************************************** */
+
+#ifdef MNG_SUPPORT_READ
+mng_bool MNG_DECL mng_status_suspendbreak (mng_handle hHandle)
+{
+#ifdef MNG_SUPPORT_TRACE
+  MNG_TRACEX (((mng_datap)hHandle), MNG_FN_STATUS_SUSPENDBREAK, MNG_LC_START);
+#endif
+
+  if ((hHandle == 0) || (((mng_datap)hHandle)->iMagic != MNG_MAGIC))
+    return MNG_FALSE;
+
+#ifdef MNG_SUPPORT_TRACE
+  MNG_TRACEX (((mng_datap)hHandle), MNG_FN_STATUS_SUSPENDBREAK, MNG_LC_END);
+#endif
+
+  return ((mng_datap)hHandle)->bSuspended;
+}
+#endif
+
+/* ************************************************************************** */
+
+#ifdef MNG_SUPPORT_WRITE
+mng_bool MNG_DECL mng_status_creating (mng_handle hHandle)
+{
+#ifdef MNG_SUPPORT_TRACE
+  MNG_TRACEX (((mng_datap)hHandle), MNG_FN_STATUS_CREATING, MNG_LC_START);
+#endif
+
+  if ((hHandle == 0) || (((mng_datap)hHandle)->iMagic != MNG_MAGIC))
+    return MNG_FALSE;
+
+#ifdef MNG_SUPPORT_TRACE
+  MNG_TRACEX (((mng_datap)hHandle), MNG_FN_STATUS_CREATING, MNG_LC_END);
+#endif
+
+  return ((mng_datap)hHandle)->bCreating;
+}
+#endif
+
+/* ************************************************************************** */
+
+#ifdef MNG_SUPPORT_WRITE
+mng_bool MNG_DECL mng_status_writing (mng_handle hHandle)
+{
+#ifdef MNG_SUPPORT_TRACE
+  MNG_TRACEX (((mng_datap)hHandle), MNG_FN_STATUS_WRITING, MNG_LC_START);
+#endif
+
+  if ((hHandle == 0) || (((mng_datap)hHandle)->iMagic != MNG_MAGIC))
+    return MNG_FALSE;
+
+#ifdef MNG_SUPPORT_TRACE
+  MNG_TRACEX (((mng_datap)hHandle), MNG_FN_STATUS_WRITING, MNG_LC_END);
+#endif
+
+  return ((mng_datap)hHandle)->bWriting;
+}
+#endif
+
+/* ************************************************************************** */
+
+#ifdef MNG_SUPPORT_DISPLAY
+mng_bool MNG_DECL mng_status_displaying (mng_handle hHandle)
+{
+#ifdef MNG_SUPPORT_TRACE
+  MNG_TRACEX (((mng_datap)hHandle), MNG_FN_STATUS_DISPLAYING, MNG_LC_START);
+#endif
+
+  if ((hHandle == 0) || (((mng_datap)hHandle)->iMagic != MNG_MAGIC))
+    return MNG_FALSE;
+
+#ifdef MNG_SUPPORT_TRACE
+  MNG_TRACEX (((mng_datap)hHandle), MNG_FN_STATUS_DISPLAYING, MNG_LC_END);
+#endif
+
+  return ((mng_datap)hHandle)->bDisplaying;
+}
+#endif
+
+/* ************************************************************************** */
+
+#ifdef MNG_SUPPORT_DISPLAY
+mng_bool MNG_DECL mng_status_running (mng_handle hHandle)
+{
+#ifdef MNG_SUPPORT_TRACE
+  MNG_TRACEX (((mng_datap)hHandle), MNG_FN_STATUS_RUNNING, MNG_LC_START);
+#endif
+
+  if ((hHandle == 0) || (((mng_datap)hHandle)->iMagic != MNG_MAGIC))
+    return MNG_FALSE;
+
+#ifdef MNG_SUPPORT_TRACE
+  MNG_TRACEX (((mng_datap)hHandle), MNG_FN_STATUS_RUNNING, MNG_LC_END);
+#endif
+
+  return ((mng_datap)hHandle)->bRunning;
+}
+#endif
+
+/* ************************************************************************** */
+
+#ifdef MNG_SUPPORT_DISPLAY
+mng_bool MNG_DECL mng_status_timerbreak (mng_handle hHandle)
+{
+#ifdef MNG_SUPPORT_TRACE
+  MNG_TRACEX (((mng_datap)hHandle), MNG_FN_STATUS_TIMERBREAK, MNG_LC_START);
+#endif
+
+  if ((hHandle == 0) || (((mng_datap)hHandle)->iMagic != MNG_MAGIC))
+    return MNG_FALSE;
+
+#ifdef MNG_SUPPORT_TRACE
+  MNG_TRACEX (((mng_datap)hHandle), MNG_FN_STATUS_TIMERBREAK, MNG_LC_END);
+#endif
+
+  return ((mng_datap)hHandle)->bTimerset;
+}
+#endif
+
+/* ************************************************************************** */
+
+#ifdef MNG_SUPPORT_DYNAMICMNG
+mng_bool MNG_DECL mng_status_dynamic (mng_handle hHandle)
+{
+#ifdef MNG_SUPPORT_TRACE
+  MNG_TRACEX (((mng_datap)hHandle), MNG_FN_STATUS_DYNAMIC, MNG_LC_START);
+#endif
+
+  if ((hHandle == 0) || (((mng_datap)hHandle)->iMagic != MNG_MAGIC))
+    return MNG_FALSE;
+
+#ifdef MNG_SUPPORT_TRACE
+  MNG_TRACEX (((mng_datap)hHandle), MNG_FN_STATUS_DYNAMIC, MNG_LC_END);
+#endif
+
+  return ((mng_datap)hHandle)->bDynamic;
+}
+#endif
+
+/* ************************************************************************** */
+
+#ifdef MNG_SUPPORT_DYNAMICMNG
+mng_bool MNG_DECL mng_status_runningevent (mng_handle hHandle)
+{
+#ifdef MNG_SUPPORT_TRACE
+  MNG_TRACEX (((mng_datap)hHandle), MNG_FN_STATUS_RUNNINGEVENT, MNG_LC_START);
+#endif
+
+  if ((hHandle == 0) || (((mng_datap)hHandle)->iMagic != MNG_MAGIC))
+    return MNG_FALSE;
+
+#ifdef MNG_SUPPORT_TRACE
+  MNG_TRACEX (((mng_datap)hHandle), MNG_FN_STATUS_RUNNINGEVENT, MNG_LC_END);
+#endif
+
+  return ((mng_datap)hHandle)->bRunningevent;
+}
+#endif
+
+/* ************************************************************************** */
+/* * end of file                                                            * */
+/* ************************************************************************** */
+