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Imported from libpng-1.0.9beta2.tar

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This commit is contained in:
Glenn Randers-Pehrson
2000-11-18 18:19:14 -06:00
parent fbbb5ecb52
commit f5ed0e130c
70 changed files with 1269 additions and 1711 deletions
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551
pngconf.h
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@@ -1,8 +1,8 @@
/* pngconf.h - machine configurable file for libpng
*
* libpng 1.0.9beta10 - January 16, 2001
* libpng 1.0.9beta2 - November 19, 2000
* For conditions of distribution and use, see copyright notice in png.h
* Copyright (c) 1998-2001 Glenn Randers-Pehrson
* Copyright (c) 1998, 1999, 2000 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.)
*/
@@ -30,11 +30,11 @@
*/
#ifndef PNG_ZBUF_SIZE
# define PNG_ZBUF_SIZE 8192
#define PNG_ZBUF_SIZE 8192
#endif
#ifndef PNG_NO_FLOATING_POINT_SUPPORTED
# define PNG_FLOATING_POINT_SUPPORTED
#ifndef PNG_NO_FLOATING_POINT_SUPPORTED
#define PNG_FLOATING_POINT_SUPPORTED
#endif
/* If you are running on a machine where you cannot allocate more
@@ -46,14 +46,14 @@
#define PNG_MAX_MALLOC_64K
*/
#if defined(MAXSEG_64K) && !defined(PNG_MAX_MALLOC_64K)
# define PNG_MAX_MALLOC_64K
#define PNG_MAX_MALLOC_64K
#endif
/* Special munging to support doing things the 'cygwin' way:
* 'Normal' png-on-win32 defines/defaults:
* PNG_BUILD_DLL -- building dll
* PNG_USE_DLL -- building an application, linking to dll
* (no define) -- building static library, or building an
* (no define) -- building static library, or building an
* application and linking to the static lib
* 'Cygwin' defines/defaults:
* PNG_BUILD_DLL -- building the dll
@@ -117,12 +117,12 @@
*/
#if defined(_WIN32_WCE)
# include <windows.h>
/* Console I/O functions are not supported on WindowsCE */
# define PNG_NO_CONSOLE_IO
# ifdef PNG_DEBUG
# undef PNG_DEBUG
# endif
#include <windows.h>
/* Console I/O functions are not supported on WindowsCE */
#define PNG_NO_CONSOLE_IO
#ifdef PNG_DEBUG
# undef PNG_DEBUG
#endif
#endif
#ifdef PNG_BUILD_DLL
@@ -159,13 +159,13 @@
#ifndef PNGARG
#ifdef OF /* zlib prototype munger */
# define PNGARG(arglist) OF(arglist)
#define PNGARG(arglist) OF(arglist)
#else
#ifdef _NO_PROTO
# define PNGARG(arglist) ()
#define PNGARG(arglist) ()
#else
# define PNGARG(arglist) arglist
#define PNGARG(arglist) arglist
#endif /* _NO_PROTO */
#endif /* OF */
@@ -177,15 +177,15 @@
* on non-Mac platforms.
*/
#ifndef MACOS
# if (defined(__MWERKS__) && defined(macintosh)) || defined(applec) || \
defined(THINK_C) || defined(__SC__) || defined(TARGET_OS_MAC)
# define MACOS
# endif
#if (defined(__MWERKS__) && defined(macintosh)) || defined(applec) || \
defined(THINK_C) || defined(__SC__) || defined(TARGET_OS_MAC)
#define MACOS
#endif
#endif
/* enough people need this for various reasons to include it here */
#if !defined(MACOS) && !defined(RISCOS) && !defined(_WIN32_WCE)
# include <sys/types.h>
#include <sys/types.h>
#endif
#ifndef PNG_SETJMP_NOT_SUPPORTED
@@ -206,10 +206,10 @@
__png.h__ already includes setjmp.h;
__dont__ include it again.;
# endif
# endif /* __linux__ */
#endif /* __linux__ */
/* include setjmp.h for error handling */
# include <setjmp.h>
/* include setjmp.h for error handling */
#include <setjmp.h>
# ifdef __linux__
# ifdef PNG_SAVE_BSD_SOURCE
@@ -222,18 +222,17 @@
#if defined(_AIX) && defined(__xlC__)
/* This prevents "AIX/xlC" from generating an "index(s,c)" macro in strings.h
* that conflicts with libpng's png_color_16.index */
# undef __STR__
#undef __STR__
#endif
#ifdef BSD
# include <strings.h>
#include <strings.h>
#else
# include <string.h>
#include <string.h>
#endif
/* Other defines for things like memory and the like can go here. */
#ifdef PNG_INTERNAL
#include <stdlib.h>
/* The functions exported by PNG_EXTERN are PNG_INTERNAL functions, which
@@ -250,28 +249,28 @@
*/
#if defined(PNG_FLOATING_POINT_SUPPORTED)
# if defined(MACOS)
/* We need to check that <math.h> hasn't already been included earlier
* as it seems it doesn't agree with <fp.h>, yet we should really use
* <fp.h> if possible.
*/
# if !defined(__MATH_H__) && !defined(__MATH_H) && !defined(__cmath__)
# include <fp.h>
# endif
# else
# include <math.h>
# endif
# if defined(_AMIGA) && defined(__SASC) && defined(_M68881)
/* Amiga SAS/C: We must include builtin FPU functions when compiling using
* MATH=68881
*/
# include <m68881.h>
# endif
#if defined(MACOS)
/* We need to check that <math.h> hasn't already been included earlier
* as it seems it doesn't agree with <fp.h>, yet we should really use
* <fp.h> if possible.
*/
#if !defined(__MATH_H__) && !defined(__MATH_H) && !defined(__cmath__)
#include <fp.h>
#endif
#else
#include <math.h>
#endif
#if defined(_AMIGA) && defined(__SASC) && defined(_M68881)
/* Amiga SAS/C: We must include builtin FPU functions when compiling using
* MATH=68881
*/
#include <m68881.h>
#endif
#endif
/* Codewarrior on NT has linking problems without this. */
#if (defined(__MWERKS__) && defined(WIN32)) || defined(__STDC__)
# define PNG_ALWAYS_EXTERN
#define PNG_ALWAYS_EXTERN
#endif
/* For some reason, Borland C++ defines memcmp, etc. in mem.h, not
@@ -279,12 +278,12 @@
* "feature"?
*/
#ifdef __TURBOC__
# include <mem.h>
# include "alloc.h"
#include <mem.h>
#include "alloc.h"
#endif
#ifdef _MSC_VER
# include <malloc.h>
#include <malloc.h>
#endif
/* This controls how fine the dithering gets. As this allocates
@@ -292,13 +291,13 @@
* with dithering quality can decrease some or all of these.
*/
#ifndef PNG_DITHER_RED_BITS
# define PNG_DITHER_RED_BITS 5
#define PNG_DITHER_RED_BITS 5
#endif
#ifndef PNG_DITHER_GREEN_BITS
# define PNG_DITHER_GREEN_BITS 5
#define PNG_DITHER_GREEN_BITS 5
#endif
#ifndef PNG_DITHER_BLUE_BITS
# define PNG_DITHER_BLUE_BITS 5
#define PNG_DITHER_BLUE_BITS 5
#endif
/* This controls how fine the gamma correction becomes when you
@@ -309,14 +308,14 @@
*/
#ifndef PNG_MAX_GAMMA_8
# define PNG_MAX_GAMMA_8 11
#define PNG_MAX_GAMMA_8 11
#endif
/* This controls how much a difference in gamma we can tolerate before
* we actually start doing gamma conversion.
*/
#ifndef PNG_GAMMA_THRESHOLD
# define PNG_GAMMA_THRESHOLD 0.05
#define PNG_GAMMA_THRESHOLD 0.05
#endif
#endif /* PNG_INTERNAL */
@@ -381,167 +380,163 @@
*/
#ifdef PNG_LEGACY_SUPPORTED
# define PNG_NO_FREE_ME
# define PNG_NO_READ_UNKNOWN_CHUNKS
# define PNG_NO_WRITE_UNKNOWN_CHUNKS
# define PNG_NO_READ_USER_CHUNKS
# define PNG_NO_READ_iCCP
# define PNG_NO_WRITE_iCCP
# define PNG_NO_READ_iTXt
# define PNG_NO_WRITE_iTXt
# define PNG_NO_READ_sCAL
# define PNG_NO_WRITE_sCAL
# define PNG_NO_READ_sPLT
# define PNG_NO_WRITE_sPLT
# define PNG_NO_INFO_IMAGE
# define PNG_NO_READ_RGB_TO_GRAY
# define PNG_NO_READ_USER_TRANSFORM
# define PNG_NO_WRITE_USER_TRANSFORM
# define PNG_NO_USER_MEM
# define PNG_NO_READ_EMPTY_PLTE
# define PNG_NO_MNG_FEATURES
# define PNG_NO_FIXED_POINT_SUPPORTED
#define PNG_NO_FREE_ME
#define PNG_NO_READ_UNKNOWN_CHUNKS
#define PNG_NO_WRITE_UNKNOWN_CHUNKS
#define PNG_NO_READ_USER_CHUNKS
#define PNG_NO_READ_iCCP
#define PNG_NO_WRITE_iCCP
#define PNG_NO_READ_iTXt
#define PNG_NO_WRITE_iTXt
#define PNG_NO_READ_sCAL
#define PNG_NO_WRITE_sCAL
#define PNG_NO_READ_sPLT
#define PNG_NO_WRITE_sPLT
#define PNG_NO_INFO_IMAGE
#define PNG_NO_READ_RGB_TO_GRAY
#define PNG_NO_READ_USER_TRANSFORM
#define PNG_NO_WRITE_USER_TRANSFORM
#define PNG_NO_USER_MEM
#define PNG_NO_READ_EMPTY_PLTE
#define PNG_NO_MNG_FEATURES
#define PNG_NO_FIXED_POINT_SUPPORTED
#endif
/* Ignore attempt to turn off both floating and fixed point support */
#if !defined(PNG_FLOATING_POINT_SUPPORTED) || \
!defined(PNG_NO_FIXED_POINT_SUPPORTED)
# define PNG_FIXED_POINT_SUPPORTED
!defined(PNG_NO_FIXED_POINT_SUPPORTED)
#define PNG_FIXED_POINT_SUPPORTED
#endif
#ifndef PNG_NO_FREE_ME
# define PNG_FREE_ME_SUPPORTED
#define PNG_FREE_ME_SUPPORTED
#endif
#if !defined(PNG_READ_TRANSFORMS_NOT_SUPPORTED) && \
!defined(PNG_NO_READ_TRANSFORMS)
# define PNG_READ_TRANSFORMS_SUPPORTED
#define PNG_READ_TRANSFORMS_SUPPORTED
#endif
#if !defined(PNG_WRITE_TRANSFORMS_NOT_SUPPORTED) && \
!defined(PNG_NO_WRITE_TRANSFORMS)
# define PNG_WRITE_TRANSFORMS_SUPPORTED
#define PNG_WRITE_TRANSFORMS_SUPPORTED
#endif
#ifdef PNG_READ_TRANSFORMS_SUPPORTED
# ifndef PNG_NO_READ_EXPAND
# define PNG_READ_EXPAND_SUPPORTED
# endif
# ifndef PNG_NO_READ_SHIFT
# define PNG_READ_SHIFT_SUPPORTED
# endif
# ifndef PNG_NO_READ_PACK
# define PNG_READ_PACK_SUPPORTED
# endif
# ifndef PNG_NO_READ_BGR
# define PNG_READ_BGR_SUPPORTED
# endif
# ifndef PNG_NO_READ_SWAP
# define PNG_READ_SWAP_SUPPORTED
# endif
# ifndef PNG_NO_READ_PACKSWAP
# define PNG_READ_PACKSWAP_SUPPORTED
# endif
# ifndef PNG_NO_READ_INVERT
# define PNG_READ_INVERT_SUPPORTED
# endif
# ifndef PNG_NO_READ_DITHER
# define PNG_READ_DITHER_SUPPORTED
# endif
# ifndef PNG_NO_READ_BACKGROUND
# define PNG_READ_BACKGROUND_SUPPORTED
# endif
# ifndef PNG_NO_READ_16_TO_8
# define PNG_READ_16_TO_8_SUPPORTED
# endif
# ifndef PNG_NO_READ_FILLER
# define PNG_READ_FILLER_SUPPORTED
# endif
# ifndef PNG_NO_READ_GAMMA
# define PNG_READ_GAMMA_SUPPORTED
# endif
# ifndef PNG_NO_READ_GRAY_TO_RGB
# define PNG_READ_GRAY_TO_RGB_SUPPORTED
# endif
# ifndef PNG_NO_READ_SWAP_ALPHA
# define PNG_READ_SWAP_ALPHA_SUPPORTED
# endif
# ifndef PNG_NO_READ_INVERT_ALPHA
# define PNG_READ_INVERT_ALPHA_SUPPORTED
# endif
# ifndef PNG_NO_READ_STRIP_ALPHA
# define PNG_READ_STRIP_ALPHA_SUPPORTED
# endif
# ifndef PNG_NO_READ_USER_TRANSFORM
# define PNG_READ_USER_TRANSFORM_SUPPORTED
# endif
# ifndef PNG_NO_READ_RGB_TO_GRAY
# define PNG_READ_RGB_TO_GRAY_SUPPORTED
# endif
#ifndef PNG_NO_READ_EXPAND
#define PNG_READ_EXPAND_SUPPORTED
#endif
#ifndef PNG_NO_READ_SHIFT
#define PNG_READ_SHIFT_SUPPORTED
#endif
#ifndef PNG_NO_READ_PACK
#define PNG_READ_PACK_SUPPORTED
#endif
#ifndef PNG_NO_READ_BGR
#define PNG_READ_BGR_SUPPORTED
#endif
#ifndef PNG_NO_READ_SWAP
#define PNG_READ_SWAP_SUPPORTED
#endif
#ifndef PNG_NO_READ_PACKSWAP
#define PNG_READ_PACKSWAP_SUPPORTED
#endif
#ifndef PNG_NO_READ_INVERT
#define PNG_READ_INVERT_SUPPORTED
#endif
#ifndef PNG_NO_READ_DITHER
#define PNG_READ_DITHER_SUPPORTED
#endif
#ifndef PNG_NO_READ_BACKGROUND
#define PNG_READ_BACKGROUND_SUPPORTED
#endif
#ifndef PNG_NO_READ_16_TO_8
#define PNG_READ_16_TO_8_SUPPORTED
#endif
#ifndef PNG_NO_READ_FILLER
#define PNG_READ_FILLER_SUPPORTED
#endif
#ifndef PNG_NO_READ_GAMMA
#define PNG_READ_GAMMA_SUPPORTED
#endif
#ifndef PNG_NO_READ_GRAY_TO_RGB
#define PNG_READ_GRAY_TO_RGB_SUPPORTED
#endif
#ifndef PNG_NO_READ_SWAP_ALPHA
#define PNG_READ_SWAP_ALPHA_SUPPORTED
#endif
#ifndef PNG_NO_READ_INVERT_ALPHA
#define PNG_READ_INVERT_ALPHA_SUPPORTED
#endif
#ifndef PNG_NO_READ_STRIP_ALPHA
#define PNG_READ_STRIP_ALPHA_SUPPORTED
#endif
#ifndef PNG_NO_READ_USER_TRANSFORM
#define PNG_READ_USER_TRANSFORM_SUPPORTED
#endif
#ifndef PNG_NO_READ_RGB_TO_GRAY
#define PNG_READ_RGB_TO_GRAY_SUPPORTED
#endif
#endif /* PNG_READ_TRANSFORMS_SUPPORTED */
#if !defined(PNG_NO_PROGRESSIVE_READ) && \
!defined(PNG_PROGRESSIVE_READ_NOT_SUPPORTED) /* if you don't do progressive */
# define PNG_PROGRESSIVE_READ_SUPPORTED /* reading. This is not talking */
!defined(PNG_PROGRESSIVE_READ_NOT_SUPPORTED) /* if you don't do progressive */
#define PNG_PROGRESSIVE_READ_SUPPORTED /* reading. This is not talking */
#endif /* about interlacing capability! You'll */
/* still have interlacing unless you change the following line: */
#define PNG_READ_INTERLACING_SUPPORTED /* required for PNG-compliant decoders */
#ifndef PNG_NO_READ_COMPOSITE_NODIV
# ifndef PNG_NO_READ_COMPOSITED_NODIV /* libpng-1.0.x misspelling */
# define PNG_READ_COMPOSITE_NODIV_SUPPORTED /* well tested on Intel, SGI */
# endif
#ifndef PNG_NO_READ_COMPOSITED_NODIV /* libpng-1.0.x misspelling */
#define PNG_READ_COMPOSITE_NODIV_SUPPORTED /* well tested on Intel and SGI */
#endif
#endif
/* Disable if you don't need to support PNGs that are embedded in MNG
datastreams */
#ifndef PNG_NO_MNG_FEATURES
# define PNG_MNG_FEATURES_SUPPORTED
#define PNG_MNG_FEATURES_SUPPORTED /* Useful for MNG applications */
#endif
/* Deprecated, will be removed from version 2.0.0 */
/* Deprecated, will be removed */
#ifndef PNG_NO_READ_EMPTY_PLTE
# define PNG_READ_EMPTY_PLTE_SUPPORTED
#define PNG_READ_EMPTY_PLTE_SUPPORTED
#endif
#ifdef PNG_WRITE_TRANSFORMS_SUPPORTED
# ifndef PNG_NO_WRITE_SHIFT
# define PNG_WRITE_SHIFT_SUPPORTED
# endif
# ifndef PNG_NO_WRITE_PACK
# define PNG_WRITE_PACK_SUPPORTED
# endif
# ifndef PNG_NO_WRITE_BGR
# define PNG_WRITE_BGR_SUPPORTED
# endif
# ifndef PNG_NO_WRITE_SWAP
# define PNG_WRITE_SWAP_SUPPORTED
# endif
# ifndef PNG_NO_WRITE_PACKSWAP
# define PNG_WRITE_PACKSWAP_SUPPORTED
# endif
# ifndef PNG_NO_WRITE_INVERT
# define PNG_WRITE_INVERT_SUPPORTED
# endif
# ifndef PNG_NO_WRITE_FILLER
# define PNG_WRITE_FILLER_SUPPORTED /* same as WRITE_STRIP_ALPHA */
# endif
# ifndef PNG_NO_WRITE_SWAP_ALPHA
# define PNG_WRITE_SWAP_ALPHA_SUPPORTED
# endif
# ifndef PNG_NO_WRITE_INVERT_ALPHA
# define PNG_WRITE_INVERT_ALPHA_SUPPORTED
# endif
# ifndef PNG_NO_WRITE_USER_TRANSFORM
# define PNG_WRITE_USER_TRANSFORM_SUPPORTED
# endif
#ifndef PNG_NO_WRITE_SHIFT
#define PNG_WRITE_SHIFT_SUPPORTED
#endif
#ifndef PNG_NO_WRITE_PACK
#define PNG_WRITE_PACK_SUPPORTED
#endif
#ifndef PNG_NO_WRITE_BGR
#define PNG_WRITE_BGR_SUPPORTED
#endif
#ifndef PNG_NO_WRITE_SWAP
#define PNG_WRITE_SWAP_SUPPORTED
#endif
#ifndef PNG_NO_WRITE_PACKSWAP
#define PNG_WRITE_PACKSWAP_SUPPORTED
#endif
#ifndef PNG_NO_WRITE_INVERT
#define PNG_WRITE_INVERT_SUPPORTED
#endif
#ifndef PNG_NO_WRITE_FILLER
#define PNG_WRITE_FILLER_SUPPORTED /* This is the same as WRITE_STRIP_ALPHA */
#endif
#ifndef PNG_NO_WRITE_SWAP_ALPHA
#define PNG_WRITE_SWAP_ALPHA_SUPPORTED
#endif
#ifndef PNG_NO_WRITE_INVERT_ALPHA
#define PNG_WRITE_INVERT_ALPHA_SUPPORTED
#endif
#ifndef PNG_NO_WRITE_USER_TRANSFORM
#define PNG_WRITE_USER_TRANSFORM_SUPPORTED
#endif
#endif /* PNG_WRITE_TRANSFORMS_SUPPORTED */
#if defined(PNG_READ_USER_TRANSFORM_SUPPORTED) || \
defined(PNG_WRITE_USER_TRANSFORM_SUPPORTED)
# ifndef PNG_NO_USER_TRANSFORM_PTR
# define PNG_USER_TRANSFORM_PTR_SUPPORTED
# endif
defined(PNG_WRITE_USER_TRANSFORM_SUPPORTED)
#ifndef PNG_NO_USER_TRANSFORM_PTR
#define PNG_USER_TRANSFORM_PTR_SUPPORTED
#endif
#endif
#define PNG_WRITE_INTERLACING_SUPPORTED /* not required for PNG-compliant
@@ -550,20 +545,20 @@
#if !defined(PNG_NO_WRITE_WEIGHTED_FILTER) && \
defined(PNG_FLOATING_POINT_SUPPORTED)
# define PNG_WRITE_WEIGHTED_FILTER_SUPPORTED
#define PNG_WRITE_WEIGHTED_FILTER_SUPPORTED
#endif
#ifndef PNG_NO_WRITE_FLUSH
# define PNG_WRITE_FLUSH_SUPPORTED
#define PNG_WRITE_FLUSH_SUPPORTED
#endif
/* Deprecated, see PNG_MNG_FEATURES_SUPPORTED, above */
#ifndef PNG_NO_WRITE_EMPTY_PLTE
# define PNG_WRITE_EMPTY_PLTE_SUPPORTED
#define PNG_WRITE_EMPTY_PLTE_SUPPORTED
#endif
#ifndef PNG_NO_STDIO
# define PNG_TIME_RFC1123_SUPPORTED
#define PNG_TIME_RFC1123_SUPPORTED
#endif
/* This adds extra functions in pngget.c for accessing data from the
@@ -583,16 +578,12 @@
* png_get_y_offset_microns()
*/
#ifndef PNG_NO_EASY_ACCESS
# define PNG_EASY_ACCESS_SUPPORTED
#define PNG_EASY_ACCESS_SUPPORTED
#endif
/* PNG_ASSEMBLER_CODE will be enabled by default in version 1.2.0
even when PNG_USE_PNGVCRD or PNG_USE_PNGGCCRD is not defined */
#ifndef PNG_NO_ASSEMBLER_CODE
# if defined(PNG_USE_PNGVCRD) || defined(PNG_USE_PNGGCCRD)
# define PNG_ASSEMBLER_CODE_SUPPORTED
# define PNG_MMX_CODE_SUPPORTED
# endif
#if defined(PNG_USE_PNGVCRD) || defined(PNG_USE_PNGGCCRD) && \
!defined(PNG_NO_ASSEMBLER_CODE)
#define PNG_ASSEMBLER_CODE_SUPPORTED
#endif
/* These are currently experimental features, define them if you want */
@@ -601,10 +592,10 @@
/*
#define PNG_READ_16_TO_8_ACCURATE_SCALE_SUPPORTED
#ifndef PNG_NO_USER_MEM
# define PNG_USER_MEM_SUPPORTED
#define PNG_USER_MEM_SUPPORTED
#endif
#ifndef PNG_NO_ZALLOC_ZERO
# define PNG_ZALLOC_ZERO
#define PNG_ZALLOC_ZERO
#endif
*/
@@ -633,11 +624,11 @@
#if !defined(PNG_READ_ANCILLARY_CHUNKS_NOT_SUPPORTED) && \
!defined(PNG_NO_READ_ANCILLARY_CHUNKS)
# define PNG_READ_ANCILLARY_CHUNKS_SUPPORTED
#define PNG_READ_ANCILLARY_CHUNKS_SUPPORTED
#endif
#if !defined(PNG_WRITE_ANCILLARY_CHUNKS_NOT_SUPPORTED) && \
!defined(PNG_NO_WRITE_ANCILLARY_CHUNKS)
# define PNG_WRITE_ANCILLARY_CHUNKS_SUPPORTED
#define PNG_WRITE_ANCILLARY_CHUNKS_SUPPORTED
#endif
#ifdef PNG_READ_ANCILLARY_CHUNKS_SUPPORTED
@@ -739,15 +730,13 @@
# define PNG_READ_OPT_PLTE_SUPPORTED /* only affects support of the */
#endif /* optional PLTE chunk in RGB and RGBA images */
#if defined(PNG_READ_iTXt_SUPPORTED) || defined(PNG_READ_tEXt_SUPPORTED) || \
defined(PNG_READ_zTXt_SUPPORTED)
defined(PNG_READ_zTXt_SUPPORTED)
# define PNG_READ_TEXT_SUPPORTED
# define PNG_TEXT_SUPPORTED
#endif
#endif /* PNG_READ_ANCILLARY_CHUNKS_SUPPORTED */
#ifdef PNG_WRITE_ANCILLARY_CHUNKS_SUPPORTED
#ifdef PNG_NO_WRITE_TEXT
# define PNG_NO_WRITE_iTXt
# define PNG_NO_WRITE_tEXt
@@ -867,13 +856,12 @@
# endif
#endif
#if defined(PNG_WRITE_iTXt_SUPPORTED) || defined(PNG_WRITE_tEXt_SUPPORTED) || \
defined(PNG_WRITE_zTXt_SUPPORTED)
defined(PNG_WRITE_zTXt_SUPPORTED)
# define PNG_WRITE_TEXT_SUPPORTED
# ifndef PNG_TEXT_SUPPORTED
# define PNG_TEXT_SUPPORTED
# endif
#endif
#endif /* PNG_WRITE_ANCILLARY_CHUNKS_SUPPORTED */
/* Turn this off to disable png_read_png() and
@@ -923,26 +911,28 @@ typedef size_t png_size_t;
/* Separate compiler dependencies (problem here is that zlib.h always
defines FAR. (SJT) */
#ifdef __BORLANDC__
# if defined(__LARGE__) || defined(__HUGE__) || defined(__COMPACT__)
# define LDATA 1
# else
# define LDATA 0
# endif
/* GRR: why is Cygwin in here? Cygwin is not Borland C... */
# if !defined(__WIN32__) && !defined(__FLAT__) && !defined(__CYGWIN__)
# define PNG_MAX_MALLOC_64K
# if (LDATA != 1)
# ifndef FAR
# define FAR __far
# endif
# define USE_FAR_KEYWORD
# endif /* LDATA != 1 */
/* Possibly useful for moving data out of default segment.
* Uncomment it if you want. Could also define FARDATA as
* const if your compiler supports it. (SJT)
# define FARDATA FAR
*/
# endif /* __WIN32__, __FLAT__, __CYGWIN__ */
#if defined(__LARGE__) || defined(__HUGE__) || defined(__COMPACT__)
#define LDATA 1
#else
#define LDATA 0
#endif
#if !defined(__WIN32__) && !defined(__FLAT__) && !defined(__CYGWIN__)
#define PNG_MAX_MALLOC_64K
#if (LDATA != 1)
#ifndef FAR
#define FAR __far
#endif
#define USE_FAR_KEYWORD
#endif /* LDATA != 1 */
/* Possibly useful for moving data out of default segment.
* Uncomment it if you want. Could also define FARDATA as
* const if your compiler supports it. (SJT)
# define FARDATA FAR
*/
#endif /* __WIN32__, __FLAT__, __CYGWIN__ */
#endif /* __BORLANDC__ */
@@ -954,20 +944,20 @@ typedef size_t png_size_t;
/* MSC Medium model */
#if defined(FAR)
# if defined(M_I86MM)
# define USE_FAR_KEYWORD
# define FARDATA FAR
# include <dos.h>
# define USE_FAR_KEYWORD
# define FARDATA FAR
# include <dos.h>
# endif
#endif
/* SJT: default case */
#ifndef FAR
# define FAR
# define FAR
#endif
/* At this point FAR is always defined */
#ifndef FARDATA
# define FARDATA
#define FARDATA
#endif
/* Typedef for floating-point numbers that are converted
@@ -984,15 +974,11 @@ typedef png_int_16 FAR * png_int_16p;
typedef PNG_CONST char FAR * png_const_charp;
typedef char FAR * png_charp;
typedef png_fixed_point FAR * png_fixed_point_p;
#ifndef PNG_NO_STDIO
#if defined(_WIN32_WCE)
typedef HANDLE png_FILE_p;
#else
typedef FILE * png_FILE_p;
#endif
#endif
#ifdef PNG_FLOATING_POINT_SUPPORTED
typedef double FAR * png_doublep;
#endif
@@ -1010,7 +996,7 @@ typedef png_fixed_point FAR * FAR * png_fixed_point_pp;
typedef double FAR * FAR * png_doublepp;
#endif
/* Pointers to pointers to pointers; i.e., pointer to array */
/* Pointers to pointers to pointers; i.e. pointer to array */
typedef char FAR * FAR * FAR * png_charppp;
/* libpng typedefs for types in zlib. If zlib changes
@@ -1029,11 +1015,11 @@ typedef z_stream FAR * png_zstreamp;
* It is equivalent to Microsoft predefined macro _DLL which is
* automatically defined when you compile using the share
* version of the CRT (C Run-Time library)
*
* The cygwin mods make this behavior a little different:
*
* The cygwin mods make this behavior a little different:
* Define PNG_BUILD_DLL if you are building a dll for use with cygwin
* Define PNG_STATIC if you are building a static library for use with cygwin,
* -or- if you are building an application that you want to link to the
* -or- if you are building an application that you want to link to the
* static library.
* PNG_USE_DLL is defined by default (no user action needed) unless one of
* the other flags is defined.
@@ -1065,7 +1051,7 @@ typedef z_stream FAR * png_zstreamp;
# define PNG_USE_LOCAL_ARRAYS
# endif
#endif
/* Do not use global arrays (helps with building DLL's)
* They are no longer used in libpng itself, since version 1.0.5c,
* but might be required for some pre-1.0.5c applications.
@@ -1078,15 +1064,15 @@ typedef z_stream FAR * png_zstreamp;
# endif
#endif
#ifndef PNGAPI
#if defined(__MINGW32__) || defined(__CYGWIN__) && !defined(PNG_MODULEDEF)
# ifndef PNG_NO_MODULEDEF
# define PNG_NO_MODULEDEF
# endif
#endif
#endif
#if !defined(PNG_IMPEXP) && defined(PNG_BUILD_DLL) && !defined(PNG_NO_MODULEDEF)
# define PNG_IMPEXP
#endif
@@ -1096,7 +1082,7 @@ typedef z_stream FAR * png_zstreamp;
defined(WIN32) || defined(_WIN32) || defined(__WIN32__) \
) && !defined(__CYGWIN__))
# if defined(__GNUC__) || (defined (_MSC_VER) && (_MSC_VER >= 800))
# ifdef __GNUC__
# define PNGAPI __cdecl
# else
# define PNGAPI _cdecl
@@ -1164,9 +1150,9 @@ typedef z_stream FAR * png_zstreamp;
#endif
#ifdef PNG_USE_GLOBAL_ARRAYS
# ifndef PNG_EXPORT_VAR
# define PNG_EXPORT_VAR(type) extern PNG_IMPEXP type
# endif
#ifndef PNG_EXPORT_VAR
# define PNG_EXPORT_VAR(type) extern PNG_IMPEXP type
#endif
#endif
/* User may want to use these so they are not in PNG_INTERNAL. Any library
@@ -1174,35 +1160,35 @@ typedef z_stream FAR * png_zstreamp;
*/
#ifndef PNG_ABORT
# define PNG_ABORT() abort()
# define PNG_ABORT() abort()
#endif
#ifdef PNG_SETJMP_SUPPORTED
# define png_jmpbuf(png_ptr) ((png_ptr)->jmpbuf)
# define png_jmpbuf(png_ptr) ((png_ptr)->jmpbuf)
#else
# define png_jmpbuf(png_ptr) \
(LIBPNG_WAS_COMPILED_WITH__PNG_SETJMP_NOT_SUPPORTED)
# define png_jmpbuf(png_ptr) \
(LIBPNG_WAS_COMPILED_WITH__PNG_SETJMP_NOT_SUPPORTED)
#endif
#if defined(USE_FAR_KEYWORD) /* memory model independent fns */
/* use this to make far-to-near assignments */
# define CHECK 1
# define NOCHECK 0
# define CVT_PTR(ptr) (png_far_to_near(png_ptr,ptr,CHECK))
# define CVT_PTR_NOCHECK(ptr) (png_far_to_near(png_ptr,ptr,NOCHECK))
# define png_strcpy _fstrcpy
# define png_strlen _fstrlen
# define png_memcmp _fmemcmp /* SJT: added */
# define png_memcpy _fmemcpy
# define png_memset _fmemset
# define CHECK 1
# define NOCHECK 0
# define CVT_PTR(ptr) (png_far_to_near(png_ptr,ptr,CHECK))
# define CVT_PTR_NOCHECK(ptr) (png_far_to_near(png_ptr,ptr,NOCHECK))
# define png_strcpy _fstrcpy
# define png_strlen _fstrlen
# define png_memcmp _fmemcmp /* SJT: added */
# define png_memcpy _fmemcpy
# define png_memset _fmemset
#else /* use the usual functions */
# define CVT_PTR(ptr) (ptr)
# define CVT_PTR_NOCHECK(ptr) (ptr)
# define png_strcpy strcpy
# define png_strlen strlen
# define png_memcmp memcmp /* SJT: added */
# define png_memcpy memcpy
# define png_memset memset
# define CVT_PTR(ptr) (ptr)
# define CVT_PTR_NOCHECK(ptr) (ptr)
# define png_strcpy strcpy
# define png_strlen strlen
# define png_memcmp memcmp /* SJT: added */
# define png_memcpy memcpy
# define png_memset memset
#endif
/* End of memory model independent support */
@@ -1210,48 +1196,9 @@ typedef z_stream FAR * png_zstreamp;
* contradictory.
*/
#if (PNG_ZBUF_SIZE > 65536) && defined(PNG_MAX_MALLOC_64K)
# undef PNG_ZBUF_SIZE
# define PNG_ZBUF_SIZE 65536
#undef PNG_ZBUF_SIZE
#define PNG_ZBUF_SIZE 65536
#endif
/* Prior to libpng-1.0.9, this block was in pngasmrd.h */
#if defined(PNG_ASSEMBLER_CODE_SUPPORTED) && defined(PNG_INTERNAL)
/* These are the default thresholds before the MMX code kicks in; if either
* rowbytes or bitdepth is below the threshold, plain C code is used. These
* can be overridden at runtime via the png_set_mmx_thresholds() call in
* libpng 1.2.0 and later. The values below were chosen by Intel.
*/
#ifndef PNG_MMX_ROWBYTES_THRESHOLD_DEFAULT
# define PNG_MMX_ROWBYTES_THRESHOLD_DEFAULT 128 /* >= */
#endif
#ifndef PNG_MMX_BITDEPTH_THRESHOLD_DEFAULT
# define PNG_MMX_BITDEPTH_THRESHOLD_DEFAULT 9 /* >= */
#endif
/* Set this in the makefile for VC++ on Pentium, not here. */
/* Platform must be Pentium. Makefile must assemble and load pngvcrd.c .
* MMX will be detected at run time and used if present.
*/
#ifdef PNG_USE_PNGVCRD
# define PNG_HAVE_ASSEMBLER_COMBINE_ROW
# define PNG_HAVE_ASSEMBLER_READ_INTERLACE
# define PNG_HAVE_ASSEMBLER_READ_FILTER_ROW
#endif
/* Set this in the makefile for gcc/as on Pentium, not here. */
/* Platform must be Pentium. Makefile must assemble and load pnggccrd.c .
* MMX will be detected at run time and used if present.
*/
#ifdef PNG_USE_PNGGCCRD
# define PNG_HAVE_ASSEMBLER_COMBINE_ROW
# define PNG_HAVE_ASSEMBLER_READ_INTERLACE
# define PNG_HAVE_ASSEMBLER_READ_FILTER_ROW
#endif
/* - see pnggccrd.c for info about what is currently enabled */
#endif /* PNG_ASSEMBLER_CODE_SUPPORTED */
#endif /* PNGCONF_H */