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https://git.code.sf.net/p/libpng/code.git
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Imported from pngcrush-1.5.3.tar
This commit is contained in:
Glenn Randers-Pehrson
52
png.h
52
png.h
@@ -1,7 +1,7 @@
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/* png.h - header file for PNG reference library
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*
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* libpng version 1.0.9beta2 - November 19, 2000
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* libpng version 1.0.9beta5 - December 14, 2000
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* Copyright (c) 1998, 1999, 2000 Glenn Randers-Pehrson
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* (Version 0.96 Copyright (c) 1996, 1997 Andreas Dilger)
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* (Version 0.88 Copyright (c) 1995, 1996 Guy Eric Schalnat, Group 42, Inc.)
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@@ -9,7 +9,7 @@
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* Authors and maintainers:
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* libpng versions 0.71, May 1995, through 0.88, January 1996: Guy Schalnat
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* libpng versions 0.89c, June 1996, through 0.96, May 1997: Andreas Dilger
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* libpng versions 0.97, January 1998, through 1.0.9beta2 - November 19, 2000: Glenn
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* libpng versions 0.97, January 1998, through 1.0.9beta5 - December 14, 2000: Glenn
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* See also "Contributing Authors", below.
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*
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* Note about libpng version numbers:
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@@ -58,7 +58,7 @@
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* 1.0.8beta1-4 10008 2.1.0.8beta1-4
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* 1.0.8rc1 10008 2.1.0.8rc1
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* 1.0.8 10008 2.1.0.8
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* 1.0.9beta1-2 10009 2.1.0.9
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* 1.0.9beta1-5 10009 2.1.0.9beta1-5
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*
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* Henceforth the source version will match the shared-library major
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* and minor numbers; the shared-library major version number will be
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@@ -85,7 +85,7 @@
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* If you modify libpng you may insert additional notices immediately following
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* this sentence.
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*
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* libpng versions 1.0.7, July 1, 2000, through 1.0.9beta2, November 19, 2000, are
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* libpng versions 1.0.7, July 1, 2000, through 1.0.9beta5, December 14, 2000, are
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* Copyright (c) 2000 Glenn Randers-Pehrson, and are
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* distributed according to the same disclaimer and license as libpng-1.0.6
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* with the following individuals added to the list of Contributing Authors
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@@ -190,13 +190,13 @@
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* Y2K compliance in libpng:
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* =========================
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*
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* November 19, 2000
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* December 14, 2000
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*
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* Since the PNG Development group is an ad-hoc body, we can't make
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* an official declaration.
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*
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* This is your unofficial assurance that libpng from version 0.71 and
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* upward through 1.0.9beta2 are Y2K compliant. It is my belief that earlier
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* upward through 1.0.9beta5 are Y2K compliant. It is my belief that earlier
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* versions were also Y2K compliant.
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*
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* Libpng only has three year fields. One is a 2-byte unsigned integer
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@@ -252,7 +252,7 @@
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*/
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/* Version information for png.h - this should match the version in png.c */
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#define PNG_LIBPNG_VER_STRING "1.0.9beta2"
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#define PNG_LIBPNG_VER_STRING "1.0.9beta5"
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#define PNG_LIBPNG_VER_SONUM 2
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@@ -262,8 +262,16 @@
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#define PNG_LIBPNG_VER_RELEASE 9
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/* This should match the numeric part of the final component of
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* PNG_LIBPNG_VER_STRING, omitting any leading zero: */
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#define PNG_LIBPNG_VER_BUILD 2
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#define PNG_LIBPNG_BUILD_TYPE beta /* alpha, beta, rc, stable, patched */
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#define PNG_LIBPNG_VER_BUILD 5
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#define PNG_LIBPNG_BUILD_ALPHA 1
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#define PNG_LIBPNG_BUILD_BETA 2
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#define PNG_LIBPNG_BUILD_RC 3
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#define PNG_LIBPNG_BUILD_STABLE 4
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#define PNG_LIBPNG_BUILD_TYPEMASK 7
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#define PNG_LIBPNG_BUILD_PATCH 8 /* Can be OR'ed with STABLE only */
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#define PNG_LIBPNG_BUILD_TYPE 2
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/* Careful here. At one time, Guy wanted to use 082, but that would be octal.
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* We must not include leading zeros.
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@@ -695,6 +703,7 @@ defined(PNG_READ_BACKGROUND_SUPPORTED)
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/* iCCP chunk data. */
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png_charp iccp_name; /* profile name */
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png_charp iccp_profile; /* International Color Consortium profile data */
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/* Note to maintainer: should be png_bytep */
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png_uint_32 iccp_proflen; /* ICC profile data length */
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png_byte iccp_compression; /* Always zero */
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#endif
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@@ -775,6 +784,7 @@ typedef png_info FAR * FAR * png_infopp;
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/* This is for filter type. PNG 1.0-1.2 only define the single type. */
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#define PNG_FILTER_TYPE_BASE 0 /* Single row per-byte filtering */
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#define PNG_INTRAPIXEL_DIFFERENCING 64 /* Used only in MNG datastreams */
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#define PNG_FILTER_TYPE_DEFAULT PNG_FILTER_TYPE_BASE
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/* These are for the interlacing type. These values should NOT be changed. */
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@@ -909,8 +919,10 @@ typedef void (PNGAPI *png_unknown_chunk_ptr) PNGARG((png_structp));
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#define PNG_TRANSFORM_STRIP_FILLER 0x0800 /* WRITE only */
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/* Flags for MNG supported features */
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#define PNG_FLAG_MNG_EMPTY_PLTE 0x01
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#define PNG_ALL_MNG_FEATURES 0x01
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#define PNG_FLAG_MNG_EMPTY_PLTE 0x01
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#define PNG_MODE_EMBEDDED_IN_MNG 0x02
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#define PNG_FLAG_MNG_FILTER_64 0x04
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#define PNG_ALL_MNG_FEATURES 0x07
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typedef png_voidp (*png_malloc_ptr) PNGARG((png_structp, png_size_t));
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typedef void (*png_free_ptr) PNGARG((png_structp, png_voidp));
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@@ -1156,12 +1168,14 @@ struct png_struct_def
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png_fixed_point int_gamma;
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#endif
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png_byte filter_type;
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};
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/* This prevents a compiler error in png_get_copyright() in png.c if png.c
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and png.h are both at * version 1.0.9beta2
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and png.h are both at * version 1.0.9beta5
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*/
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typedef png_structp version_1_0_9beta2;
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typedef png_structp version_1_0_9beta5;
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typedef png_struct FAR * FAR * png_structpp;
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@@ -2013,12 +2027,14 @@ extern PNG_EXPORT(void,png_set_sRGB_gAMA_and_cHRM) PNGARG((png_structp png_ptr,
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extern PNG_EXPORT(png_uint_32,png_get_iCCP) PNGARG((png_structp png_ptr,
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png_infop info_ptr, png_charpp name, int *compression_type,
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png_charpp profile, png_uint_32 *proflen));
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/* Note to maintainer: profile should be png_bytepp */
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#endif
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#if defined(PNG_iCCP_SUPPORTED)
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extern PNG_EXPORT(void,png_set_iCCP) PNGARG((png_structp png_ptr,
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png_infop info_ptr, png_charp name, int compression_type,
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png_charp profile, png_uint_32 proflen));
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/* Note to maintainer: profile should be png_bytep */
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#endif
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#if defined(PNG_READ_sPLT_SUPPORTED)
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@@ -2200,7 +2216,7 @@ extern PNG_EXPORT(png_uint_32,png_permit_mng_features) PNGARG((png_structp
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#endif
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#define PNG_HEADER_VERSION_STRING \
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" libpng version 1.0.9beta2 - November 19, 2000 (header)\n"
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" libpng version 1.0.9beta5 - December 14, 2000 (header)\n"
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#ifdef PNG_READ_COMPOSITE_NODIV_SUPPORTED
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/* With these routines we avoid an integer divide, which will be slower on
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@@ -2584,6 +2600,7 @@ PNG_EXTERN void png_write_sRGB PNGARG((png_structp png_ptr,
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PNG_EXTERN void png_write_iCCP PNGARG((png_structp png_ptr,
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png_charp name, int compression_type,
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png_charp profile, int proflen));
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/* Note to maintainer: profile should be png_bytep */
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#endif
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#if defined(PNG_WRITE_sPLT_SUPPORTED)
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@@ -2986,6 +3003,13 @@ PNG_EXTERN void png_push_read_iTXt PNGARG((png_structp png_ptr,
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#endif /* PNG_PROGRESSIVE_READ_SUPPORTED */
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#ifdef PNG_MNG_FEATURES_SUPPORTED
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PNG_EXTERN void png_do_read_intrapixel PNGARG((png_row_infop row_info,
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png_bytep row));
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PNG_EXTERN void png_do_write_intrapixel PNGARG((png_row_infop row_info,
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png_bytep row));
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#endif
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#endif /* PNG_INTERNAL */
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#ifdef __cplusplus
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