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Imported from libpng-1.2.2beta3.tar

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This commit is contained in:
Glenn Randers-Pehrson
2002-03-06 22:08:00 -06:00
parent c6de22da1d
commit c1bfe686ce
59 changed files with 762 additions and 308 deletions
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47
png.h
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@@ -1,7 +1,7 @@
/* png.h - header file for PNG reference library
*
* libpng version 1.2.2beta2 - February 24, 2002
* libpng version 1.2.2beta3 - March 7, 2002
* Copyright (c) 1998-2002 Glenn Randers-Pehrson
* (Version 0.96 Copyright (c) 1996, 1997 Andreas Dilger)
* (Version 0.88 Copyright (c) 1995, 1996 Guy Eric Schalnat, Group 42, Inc.)
@@ -9,7 +9,7 @@
* Authors and maintainers:
* libpng versions 0.71, May 1995, through 0.88, January 1996: Guy Schalnat
* libpng versions 0.89c, June 1996, through 0.96, May 1997: Andreas Dilger
* libpng versions 0.97, January 1998, through 1.2.2beta2 - February 24, 2002: Glenn
* libpng versions 0.97, January 1998, through 1.2.2beta3 - March 7, 2002: Glenn
* See also "Contributing Authors", below.
*
* Note about libpng version numbers:
@@ -81,7 +81,7 @@
* 1.2.1beta1-4 3 10201 3.1.2.1beta1-4
* 1.2.1rc1-2 3 10201 3.1.2.1rc1-2
* 1.2.1 3 10201 3.1.2.1
* 1.2.2beta1-2 12 10202 12.so.0.1.2.2beta1-2
* 1.2.2beta1-3 12 10202 12.so.0.1.2.2beta1-3
*
* Henceforth the source version will match the shared-library major
* and minor numbers; the shared-library major version number will be
@@ -111,7 +111,7 @@
* If you modify libpng you may insert additional notices immediately following
* this sentence.
*
* libpng versions 1.0.7, July 1, 2000, through 1.2.2beta2, February 24, 2002, are
* libpng versions 1.0.7, July 1, 2000, through 1.2.2beta3, March 7, 2002, are
* Copyright (c) 2000, 2002 Glenn Randers-Pehrson, and are
* distributed according to the same disclaimer and license as libpng-1.0.6
* with the following individuals added to the list of Contributing Authors
@@ -216,13 +216,13 @@
* Y2K compliance in libpng:
* =========================
*
* February 24, 2002
* March 7, 2002
*
* Since the PNG Development group is an ad-hoc body, we can't make
* an official declaration.
*
* This is your unofficial assurance that libpng from version 0.71 and
* upward through 1.2.2beta2 are Y2K compliant. It is my belief that earlier
* upward through 1.2.2beta3 are Y2K compliant. It is my belief that earlier
* versions were also Y2K compliant.
*
* Libpng only has three year fields. One is a 2-byte unsigned integer
@@ -278,7 +278,7 @@
*/
/* Version information for png.h - this should match the version in png.c */
#define PNG_LIBPNG_VER_STRING "1.2.2beta2"
#define PNG_LIBPNG_VER_STRING "1.2.2beta3"
#define PNG_LIBPNG_VER_SONUM 0
#define PNG_LIBPNG_VER_DLLNUM %DLLNUM%
@@ -290,7 +290,7 @@
/* This should match the numeric part of the final component of
* PNG_LIBPNG_VER_STRING, omitting any leading zero: */
#define PNG_LIBPNG_VER_BUILD 2
#define PNG_LIBPNG_VER_BUILD 3
#define PNG_LIBPNG_BUILD_ALPHA 1
#define PNG_LIBPNG_BUILD_BETA 2
@@ -1254,9 +1254,9 @@ struct png_struct_def
/* This prevents a compiler error in png_get_copyright() in png.c if png.c
and png.h are both at version 1.2.2beta2
and png.h are both at version 1.2.2beta3
*/
typedef png_structp version_1_2_2beta2;
typedef png_structp version_1_2_2beta3;
typedef png_struct FAR * FAR * png_structpp;
@@ -1564,9 +1564,6 @@ extern void png_read_destroy PNGARG((png_structp png_ptr, png_infop info_ptr,
extern PNG_EXPORT(void,png_destroy_write_struct)
PNGARG((png_structpp png_ptr_ptr, png_infopp info_ptr_ptr));
/* free any memory used in info_ptr struct (old method - NOT DLL EXPORTED) */
extern void png_write_destroy_info PNGARG((png_infop info_ptr));
/* free any memory used in png_ptr struct (old method - NOT DLL EXPORTED) */
extern void png_write_destroy PNGARG((png_structp png_ptr));
@@ -1811,6 +1808,13 @@ extern PNG_EXPORT(png_voidp,png_malloc) PNGARG((png_structp png_ptr,
/* frees a pointer allocated by png_malloc() */
extern PNG_EXPORT(void,png_free) PNGARG((png_structp png_ptr, png_voidp ptr));
/* Function to allocate memory for zlib. */
extern PNG_EXPORT(voidpf,png_zalloc) PNGARG((voidpf png_ptr, uInt items,
uInt size));
/* Function to free memory for zlib */
extern PNG_EXPORT(void,png_zfree) PNGARG((voidpf png_ptr, voidpf ptr));
/* Free data that was allocated internally */
extern PNG_EXPORT(void,png_free_data) PNGARG((png_structp png_ptr,
png_infop info_ptr, png_uint_32 free_me, int num));
@@ -2218,6 +2222,10 @@ extern PNG_EXPORT(void, png_set_unknown_chunk_location)
extern PNG_EXPORT(png_uint_32,png_get_unknown_chunks) PNGARG((png_structp
png_ptr, png_infop info_ptr, png_unknown_chunkpp entries));
#endif
#ifdef PNG_HANDLE_AS_UNKNOWN_SUPPORTED
PNG_EXPORT(int,png_handle_as_unknown) PNGARG((png_structp png_ptr, png_bytep
chunk_name));
#endif
/* Png_free_data() will turn off the "valid" flag for anything it frees.
If you need to turn it off for a chunk that your application has freed,
@@ -2373,7 +2381,7 @@ extern PNG_EXPORT(void,png_set_strip_error_numbers) PNGARG((png_structp
/* Maintainer: Put new public prototypes here ^, in libpng.3, and project defs */
#define PNG_HEADER_VERSION_STRING \
" libpng version 1.2.2beta2 - February 24, 2002 (header)\n"
" libpng version 1.2.2beta3 - March 7, 2002 (header)\n"
#ifdef PNG_READ_COMPOSITE_NODIV_SUPPORTED
/* With these routines we avoid an integer divide, which will be slower on
@@ -2642,12 +2650,6 @@ PNG_EXTERN void png_destroy_struct_2 PNGARG((png_voidp struct_ptr,
PNG_EXTERN void png_info_destroy PNGARG((png_structp png_ptr,
png_infop info_ptr));
/* Function to allocate memory for zlib. */
PNG_EXTERN voidpf png_zalloc PNGARG((voidpf png_ptr, uInt items, uInt size));
/* Function to free memory for zlib */
PNG_EXTERN void png_zfree PNGARG((voidpf png_ptr, voidpf ptr));
/* Reset the CRC variable */
PNG_EXTERN void png_reset_crc PNGARG((png_structp png_ptr));
@@ -3110,11 +3112,6 @@ PNG_EXTERN void png_handle_zTXt PNGARG((png_structp png_ptr, png_infop info_ptr,
png_uint_32 length));
#endif
#ifdef PNG_HANDLE_AS_UNKNOWN_SUPPORTED
PNG_EXTERN int png_handle_as_unknown PNGARG((png_structp png_ptr, png_bytep
chunk_name));
#endif
PNG_EXTERN void png_handle_unknown PNGARG((png_structp png_ptr,
png_infop info_ptr, png_uint_32 length));