Imported from libpng-1.0.4-pre3.tar
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.TH LIBPNGPF 3 "January 14, 1999"
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.TH LIBPNGPF 3 "September 18, 1999"
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.SH NAME
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.SH NAME
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libpng \- Portable Network Graphics (PNG) Reference Library 1.0.3 - January 14, 1999
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libpng \- Portable Network Graphics (PNG) Reference Library 1.0.4 - September 18, 1999
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(private functions)
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(private functions)
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.SH SYNOPSIS
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.SH SYNOPSIS
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\fB#include <png.h>\fP
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\fB#include <png.h>\fP
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@ -522,7 +522,7 @@ png_set_gamma(png_structp png_ptr, double scrn_gamma, double file_gamma)
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#endif
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#endif
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#if defined(PNG_READ_EXPAND_SUPPORTED)
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#if defined(PNG_READ_EXPAND_SUPPORTED)
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/* Expand paletted images to rgb, expand grayscale images of
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/* Expand paletted images to RGB, expand grayscale images of
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* less than 8-bit depth to 8-bit depth, and expand tRNS chunks
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* less than 8-bit depth to 8-bit depth, and expand tRNS chunks
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* to alpha channels.
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* to alpha channels.
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*/
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*/
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@ -3142,7 +3142,7 @@ png_do_background(png_row_infop row_info, png_bytep row,
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#if defined(PNG_READ_GAMMA_SUPPORTED)
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#if defined(PNG_READ_GAMMA_SUPPORTED)
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/* Gamma correct the image, avoiding the alpha channel. Make sure
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/* Gamma correct the image, avoiding the alpha channel. Make sure
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* you do this after you deal with the transparency issue on grayscale
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* you do this after you deal with the transparency issue on grayscale
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* or rgb images. If your bit depth is 8, use gamma_table, if it
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* or RGB images. If your bit depth is 8, use gamma_table, if it
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* is 16, use gamma_16_table and gamma_shift. Build these with
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* is 16, use gamma_16_table and gamma_shift. Build these with
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* build_gamma_table().
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* build_gamma_table().
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*/
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*/
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@ -3324,7 +3324,7 @@ png_do_gamma(png_row_infop row_info, png_bytep row,
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#endif
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#endif
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#if defined(PNG_READ_EXPAND_SUPPORTED)
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#if defined(PNG_READ_EXPAND_SUPPORTED)
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/* Expands a palette row to an rgb or rgba row depending
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/* Expands a palette row to an RGB or RGBA row depending
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* upon whether you supply trans and num_trans.
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* upon whether you supply trans and num_trans.
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*/
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*/
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void
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void
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#include "png.h"
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#include "png.h"
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#if defined(PNG_READ_BGR_SUPPORTED) || defined(PNG_WRITE_BGR_SUPPORTED)
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#if defined(PNG_READ_BGR_SUPPORTED) || defined(PNG_WRITE_BGR_SUPPORTED)
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/* turn on bgr to rgb mapping */
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/* turn on BGR-to-RGB mapping */
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void
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void
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png_set_bgr(png_structp png_ptr)
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png_set_bgr(png_structp png_ptr)
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{
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{
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