author | hgs |
Wed, 13 Oct 2010 19:39:18 +0530 | |
changeset 71 | 28ccaba883f4 |
parent 18 | 47c74d1534e1 |
permissions | -rw-r--r-- |
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/* |
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* LIBOIL - Library of Optimized Inner Loops |
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* Copyright (c) 2003,2004 David A. Schleef <ds@schleef.org> |
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* All rights reserved. |
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* |
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* Redistribution and use in source and binary forms, with or without |
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* modification, are permitted provided that the following conditions |
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* are met: |
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* 1. Redistributions of source code must retain the above copyright |
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* notice, this list of conditions and the following disclaimer. |
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* 2. Redistributions in binary form must reproduce the above copyright |
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* notice, this list of conditions and the following disclaimer in the |
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* documentation and/or other materials provided with the distribution. |
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* |
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
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* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED |
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* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE |
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* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, |
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* INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES |
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* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR |
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* SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) |
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, |
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* STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING |
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* IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE |
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* POSSIBILITY OF SUCH DAMAGE. |
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*/ |
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//Portions Copyright (c) 2008-2009 Nokia Corporation and/or its subsidiary(-ies). All rights reserved. |
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#ifdef HAVE_CONFIG_H |
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#include "config.h" |
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#endif |
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#include <liboil.h> |
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#include <liboilfunction.h> |
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OIL_DEFINE_CLASS (argb_paint_u8, "uint8_t *i_4xn, uint8_t *s1_4, uint8_t *s2_n, int n"); |
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#define div255(x) (((x + 128) + ((x + 128)>>8))>>8) |
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#define blend(x,y,a) div255((x)*(a) + (y)*(255-(a))) |
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/** |
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* oil_argb_paint_u8: |
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* @i_4xn: array |
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* @s1_4: source color |
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* @s2_n: source alpha array |
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* @n: number of elements |
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* |
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* Composites source color onto in-place array according to the alpha |
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* array. |
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* |
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* Deprecated. |
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*/ |
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static void |
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argb_paint_u8_ref (uint8_t *dest, const uint8_t *color, const uint8_t *alpha, int n) |
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{ |
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int i; |
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for(i=0;i<n;i++){ |
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dest[0] = blend(color[0],dest[0],alpha[0]); |
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dest[1] = blend(color[1],dest[1],alpha[0]); |
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dest[2] = blend(color[2],dest[2],alpha[0]); |
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dest[3] = blend(color[3],dest[3],alpha[0]); |
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dest+=4; |
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alpha++; |
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} |
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} |
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OIL_DEFINE_IMPL_REF (argb_paint_u8_ref, argb_paint_u8); |
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#ifdef __SYMBIAN32__ |
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OilFunctionClass* __oil_function_class_argb_paint_u8() { |
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return &_oil_function_class_argb_paint_u8; |
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} |
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#endif |
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#ifdef __SYMBIAN32__ |
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OilFunctionImpl* __oil_function_impl_argb_paint_u8_ref() { |
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return &_oil_function_impl_argb_paint_u8_ref; |
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} |
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#endif |
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#ifdef __SYMBIAN32__ |
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EXPORT_C void** _oil_function_class_ptr_argb_paint_u8 () { |
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oil_function_class_ptr_argb_paint_u8 = __oil_function_class_argb_paint_u8(); |
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return &oil_function_class_ptr_argb_paint_u8->func; |
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} |
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#endif |
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