Aren/haiku
1
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

updated libpng to 1.2.18, thanks Fredrik!

Browse Source 
git-svn-id: file:///srv/svn/repos/haiku/haiku/trunk@21367 a95241bf-73f2-0310-859d-f6bbb57e9c96
This commit is contained in:
Jérôme Duval 2007-06-09 10:59:46 +00:00
parent e652af1f63
commit 53fa6fbc76
20 changed files with 437 additions and 5170 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

78
headers/libs/png/png.h
View File

@ -1,15 +1,15 @@
/* png.h - header file for PNG reference library
*
* libpng version 1.2.12 - June 27, 2006
* Copyright (c) 1998-2006 Glenn Randers-Pehrson
* libpng version 1.2.18 - May 15, 2007
* Copyright (c) 1998-2007 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.)
*
* 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 1.2.12 - June 27, 2006: Glenn
* libpng versions 0.97, January 1998, through 1.2.18 - May 15, 2007: Glenn
* See also "Contributing Authors", below.
*
* Note about libpng version numbers:
@ -126,6 +126,30 @@
* 1.2.11 13 10211 12.so.0.11[.0]
* 1.0.20 10 10020 10.so.0.20[.0]
* 1.2.12 13 10212 12.so.0.12[.0]
* 1.2.13beta1 13 10213 12.so.0.13[.0]
* 1.0.21 10 10021 10.so.0.21[.0]
* 1.2.13 13 10213 12.so.0.13[.0]
* 1.2.14beta1-2 13 10214 12.so.0.14[.0]
* 1.0.22rc1 10 10022 10.so.0.22[.0]
* 1.2.14rc1 13 10214 12.so.0.14[.0]
* 1.0.22 10 10022 10.so.0.22[.0]
* 1.2.14 13 10214 12.so.0.14[.0]
* 1.2.15beta1-6 13 10215 12.so.0.15[.0]
* 1.0.23rc1-5 10 10023 10.so.0.23[.0]
* 1.2.15rc1-5 13 10215 12.so.0.15[.0]
* 1.0.23 10 10023 10.so.0.23[.0]
* 1.2.15 13 10215 12.so.0.15[.0]
* 1.2.16beta1-2 13 10216 12.so.0.16[.0]
* 1.2.16rc1 13 10216 12.so.0.16[.0]
* 1.0.24 10 10024 10.so.0.24[.0]
* 1.2.16 13 10216 12.so.0.16[.0]
* 1.2.17beta1-2 13 10217 12.so.0.17[.0]
* 1.0.25rc1 10 10025 10.so.0.25[.0]
* 1.2.17rc1-3 13 10217 12.so.0.17[.0]
* 1.0.25 10 10025 10.so.0.25[.0]
* 1.2.17 13 10217 12.so.0.17[.0]
* 1.0.26 10 10026 10.so.0.26[.0]
* 1.2.18 13 10218 12.so.0.18[.0]
*
* Henceforth the source version will match the shared-library major
* and minor numbers; the shared-library major version number will be
@ -155,8 +179,8 @@
* If you modify libpng you may insert additional notices immediately following
* this sentence.
*
* libpng versions 1.2.6, August 15, 2004, through 1.2.12, June 27, 2006, are
* Copyright (c) 2004, 2006 Glenn Randers-Pehrson, and are
* libpng versions 1.2.6, August 15, 2004, through 1.2.18, May 15, 2007, are
* Copyright (c) 2004, 2006-2007 Glenn Randers-Pehrson, and are
* distributed according to the same disclaimer and license as libpng-1.2.5
* with the following individual added to the list of Contributing Authors:
*
@ -267,13 +291,13 @@
* Y2K compliance in libpng:
* =========================
*
* June 27, 2006
* May 15, 2007
*
* 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 1.2.12 are Y2K compliant. It is my belief that earlier
* upward through 1.2.18 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
@ -329,9 +353,9 @@
*/
/* Version information for png.h - this should match the version in png.c */
#define PNG_LIBPNG_VER_STRING "1.2.12"
#define PNG_LIBPNG_VER_STRING "1.2.18"
#define PNG_HEADER_VERSION_STRING \
" libpng version 1.2.12 - June 27, 2006 (header)\n"
" libpng version 1.2.18 - May 15, 2007 (header)\n"
#define PNG_LIBPNG_VER_SONUM 0
#define PNG_LIBPNG_VER_DLLNUM 13
@ -339,7 +363,7 @@
/* These should match the first 3 components of PNG_LIBPNG_VER_STRING: */
#define PNG_LIBPNG_VER_MAJOR 1
#define PNG_LIBPNG_VER_MINOR 2
#define PNG_LIBPNG_VER_RELEASE 12
#define PNG_LIBPNG_VER_RELEASE 18
/* This should match the numeric part of the final component of
* PNG_LIBPNG_VER_STRING, omitting any leading zero: */
@ -367,7 +391,7 @@
* Versions 0.7 through 1.0.0 were in the range 0 to 100 here (only
* version 1.0.0 was mis-numbered 100 instead of 10000). From
* version 1.0.1 it's xxyyzz, where x=major, y=minor, z=release */
#define PNG_LIBPNG_VER 10212 /* 1.2.12 */
#define PNG_LIBPNG_VER 10218 /* 1.2.18 */
#ifndef PNG_VERSION_INFO_ONLY
/* include the compression library's header */
@ -1334,10 +1358,14 @@ struct png_struct_def
#endif
/* New members added in libpng-1.2.0 */
#if !defined(PNG_1_0_X) && defined(PNG_ASSEMBLER_CODE_SUPPORTED)
#if defined(PNG_ASSEMBLER_CODE_SUPPORTED)
# if !defined(PNG_1_0_X)
# if defined(PNG_MMX_CODE_SUPPORTED)
png_byte mmx_bitdepth_threshold;
png_uint_32 mmx_rowbytes_threshold;
# endif
png_uint_32 asm_flags;
# endif
#endif
/* New members added in libpng-1.0.2 but first enabled by default in 1.2.0 */
@ -1367,13 +1395,18 @@ struct png_struct_def
png_uint_32 user_height_max;
#endif
/* New member added in libpng-1.0.25 and 1.2.17 */
#if defined(PNG_UNKNOWN_CHUNKS_SUPPORTED)
/* storage for unknown chunk that the library doesn't recognize. */
png_unknown_chunk unknown_chunk;
#endif
};
/* This triggers a compiler error in png.c, if png.c and png.h
* do not agree upon the version number.
*/
typedef png_structp version_1_2_12;
typedef png_structp version_1_2_18;
typedef png_struct FAR * FAR * png_structpp;
@ -2369,7 +2402,7 @@ extern PNG_EXPORT(void,png_set_sCAL_s) PNGARG((png_structp png_ptr,
handling or default unknown chunk handling is not desired. Any chunks not
listed will be handled in the default manner. The IHDR and IEND chunks
must not be listed.
keep = 0: follow default behavour
keep = 0: follow default behaviour
= 1: do not keep
= 2: keep only if safe-to-copy
= 3: keep even if unsafe-to-copy
@ -2479,6 +2512,7 @@ extern PNG_EXPORT(png_uint_32,png_permit_mng_features) PNGARG((png_structp
/* Added to version 1.2.0 */
#if defined(PNG_ASSEMBLER_CODE_SUPPORTED)
#if defined(PNG_MMX_CODE_SUPPORTED)
#define PNG_ASM_FLAG_MMX_SUPPORT_COMPILED 0x01 /* not user-settable */
#define PNG_ASM_FLAG_MMX_SUPPORT_IN_CPU 0x02 /* not user-settable */
#define PNG_ASM_FLAG_MMX_READ_COMBINE_ROW 0x04
@ -2504,6 +2538,7 @@ extern PNG_EXPORT(png_uint_32,png_permit_mng_features) PNGARG((png_structp
#define PNG_SELECT_READ 1
#define PNG_SELECT_WRITE 2
#endif /* PNG_MMX_CODE_SUPPORTED */
#if !defined(PNG_1_0_X)
/* pngget.c */
@ -2536,11 +2571,11 @@ extern PNG_EXPORT(void,png_set_mmx_thresholds)
png_uint_32 mmx_rowbytes_threshold));
#endif /* PNG_1_0_X */
#endif /* PNG_ASSEMBLER_CODE_SUPPORTED */
#if !defined(PNG_1_0_X)
/* png.c, pnggccrd.c, or pngvcrd.c */
extern PNG_EXPORT(int,png_mmx_support) PNGARG((void));
#endif /* PNG_ASSEMBLER_CODE_SUPPORTED */
/* Strip the prepended error numbers ("#nnn ") from error and warning
* messages before passing them to the error or warning handler. */
@ -2648,16 +2683,21 @@ extern PNG_EXPORT(void,png_save_uint_16)
* be found in the files where the functions are located.
*/
#if defined(PNG_INTERNAL)
/* Various modes of operation. Note that after an init, mode is set to
* zero automatically when the structure is created.
/* Various modes of operation, that are visible to applications because
* they are used for unknown chunk location.
*/
#define PNG_HAVE_IHDR 0x01
#define PNG_HAVE_PLTE 0x02
#define PNG_HAVE_IDAT 0x04
#define PNG_AFTER_IDAT 0x08 /* Have complete zlib datastream */
#define PNG_HAVE_IEND 0x10
#if defined(PNG_INTERNAL)
/* More modes of operation. Note that after an init, mode is set to
* zero automatically when the structure is created.
*/
#define PNG_HAVE_gAMA 0x20
#define PNG_HAVE_cHRM 0x40
#define PNG_HAVE_sRGB 0x80
@ -3442,9 +3482,11 @@ PNG_EXTERN void png_do_write_intrapixel PNGARG((png_row_infop row_info,
#endif
#if defined(PNG_ASSEMBLER_CODE_SUPPORTED)
#if defined(PNG_MMX_CODE_SUPPORTED)
/* png.c */ /* PRIVATE */
PNG_EXTERN void png_init_mmx_flags PNGARG((png_structp png_ptr));
#endif
#endif
#if defined(PNG_INCH_CONVERSIONS) && defined(PNG_FLOATING_POINT_SUPPORTED)
PNG_EXTERN png_uint_32 png_get_pixels_per_inch PNGARG((png_structp png_ptr,

29
headers/libs/png/pngconf.h
View File

@ -1,9 +1,9 @@
/* pngconf.h - machine configurable file for libpng
*
* libpng version 1.2.12 - June 27, 2006
* libpng version 1.2.18 - May 15, 2007
* For conditions of distribution and use, see copyright notice in png.h
* Copyright (c) 1998-2005 Glenn Randers-Pehrson
* Copyright (c) 1998-2007 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.)
*/
@ -721,11 +721,22 @@
#endif
/* PNG_ASSEMBLER_CODE was enabled by default in version 1.2.0
even when PNG_USE_PNGVCRD or PNG_USE_PNGGCCRD is not defined */
* even when PNG_USE_PNGVCRD or PNG_USE_PNGGCCRD is not defined.
*
* PNG_NO_ASSEMBLER_CODE disables use of all assembler code and optimized C,
* and removes or includes several functions in the API.
*
* PNG_NO_MMX_CODE disables the use of MMX code without changing the API.
* When MMX code is off, then optimized C replacement functions are used.
*/
#if defined(PNG_READ_SUPPORTED) && !defined(PNG_NO_ASSEMBLER_CODE)
# ifndef PNG_ASSEMBLER_CODE_SUPPORTED
# define PNG_ASSEMBLER_CODE_SUPPORTED
# endif
# if defined(XP_MACOSX) && !defined(PNG_NO_MMX_CODE)
/* work around Intel-Mac compiler bug */
# define PNG_NO_MMX_CODE
# endif
# if !defined(PNG_MMX_CODE_SUPPORTED) && !defined(PNG_NO_MMX_CODE) && \
defined(__MMX__)
# define PNG_MMX_CODE_SUPPORTED
@ -1447,9 +1458,9 @@ typedef z_stream FAR * png_zstreamp;
* 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
# define PNG_HAVE_MMX_COMBINE_ROW
# define PNG_HAVE_MMX_READ_INTERLACE
# define PNG_HAVE_MMX_READ_FILTER_ROW
#endif
/* Set this in the makefile for gcc/as on Pentium, not here. */
@ -1457,9 +1468,9 @@ typedef z_stream FAR * png_zstreamp;
* 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
# define PNG_HAVE_MMX_COMBINE_ROW
# define PNG_HAVE_MMX_READ_INTERLACE
# define PNG_HAVE_MMX_READ_FILTER_ROW
#endif
/* - see pnggccrd.c for info about what is currently enabled */

2
src/libs/png/Jamfile
View File

@ -3,7 +3,7 @@ SubDir HAIKU_TOP src libs png ;
SetSubDirSupportedPlatformsBeOSCompatible ;
AddSubDirSupportedPlatforms libbe_test ;
UseLibraryHeaders zlib ;
UseLibraryHeaders png zlib ;
local shared_files =
png.c

50
src/libs/png/png.c
View File

@ -1,9 +1,9 @@
/* png.c - location for general purpose libpng functions
*
* Last changed in libpng 1.2.9 April 14, 2006
* Last changed in libpng 1.2.17 May 15, 2007
* For conditions of distribution and use, see copyright notice in png.h
* Copyright (c) 1998-2006 Glenn Randers-Pehrson
* Copyright (c) 1998-2007 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.)
*/
@ -13,7 +13,7 @@
#include "png.h"
/* Generate a compiler error if there is an old png.h in the search path. */
typedef version_1_2_12 Your_png_h_is_not_version_1_2_12;
typedef version_1_2_18 Your_png_h_is_not_version_1_2_18;
/* Version information for C files. This had better match the version
* string defined in png.h. */
@ -68,7 +68,7 @@ const int FARDATA png_pass_ystart[] = {0, 0, 4, 0, 2, 0, 1};
const int FARDATA png_pass_yinc[] = {8, 8, 8, 4, 4, 2, 2};
/* width of interlace block (used in assembler routines only) */
#ifdef PNG_HAVE_ASSEMBLER_COMBINE_ROW
#ifdef PNG_HAVE_MMX_COMBINE_ROW
const int FARDATA png_pass_width[] = {8, 4, 4, 2, 2, 1, 1};
#endif
@ -97,6 +97,7 @@ const int FARDATA png_pass_dsp_mask[]
void PNGAPI
png_set_sig_bytes(png_structp png_ptr, int num_bytes)
{
if(png_ptr == NULL) return;
png_debug(1, "in png_set_sig_bytes\n");
if (num_bytes > 8)
png_error(png_ptr, "Too many bytes for PNG signature.");
@ -153,13 +154,14 @@ voidpf /* private */
png_zalloc(voidpf png_ptr, uInt items, uInt size)
{
png_voidp ptr;
png_structp p=png_ptr;
png_structp p=(png_structp)png_ptr;
png_uint_32 save_flags=p->flags;
png_uint_32 num_bytes;
if(png_ptr == NULL) return (NULL);
if (items > PNG_UINT_32_MAX/size)
{
png_warning (png_ptr, "Potential overflow in png_zalloc()");
png_warning (p, "Potential overflow in png_zalloc()");
return (NULL);
}
num_bytes = (png_uint_32)items * size;
@ -266,6 +268,7 @@ void PNGAPI
png_destroy_info_struct(png_structp png_ptr, png_infopp info_ptr_ptr)
{
png_infop info_ptr = NULL;
if(png_ptr == NULL) return;
png_debug(1, "in png_destroy_info_struct\n");
if (info_ptr_ptr != NULL)
@ -304,6 +307,8 @@ png_info_init_3(png_infopp ptr_ptr, png_size_t png_info_struct_size)
{
png_infop info_ptr = *ptr_ptr;
if(info_ptr == NULL) return;
png_debug(1, "in png_info_init_3\n");
if(png_sizeof(png_info) > png_info_struct_size)
@ -485,6 +490,11 @@ if (mask & PNG_FREE_SPLT)
#endif
#if defined(PNG_UNKNOWN_CHUNKS_SUPPORTED)
if(png_ptr->unknown_chunk.data)
{
png_free(png_ptr, png_ptr->unknown_chunk.data);
png_ptr->unknown_chunk.data = NULL;
}
#ifdef PNG_FREE_ME_SUPPORTED
if ((mask & PNG_FREE_UNKN) & info_ptr->free_me)
#else
@ -611,6 +621,7 @@ png_info_destroy(png_structp png_ptr, png_infop info_ptr)
png_voidp PNGAPI
png_get_io_ptr(png_structp png_ptr)
{
if(png_ptr == NULL) return (NULL);
return (png_ptr->io_ptr);
}
@ -626,6 +637,7 @@ void PNGAPI
png_init_io(png_structp png_ptr, png_FILE_p fp)
{
png_debug(1, "in png_init_io\n");
if(png_ptr == NULL) return;
png_ptr->io_ptr = (png_voidp)fp;
}
#endif
@ -641,6 +653,7 @@ png_convert_to_rfc1123(png_structp png_ptr, png_timep ptime)
{"Jan", "Feb", "Mar", "Apr", "May", "Jun",
"Jul", "Aug", "Sep", "Oct", "Nov", "Dec"};
if(png_ptr == NULL) return (NULL);
if (png_ptr->time_buffer == NULL)
{
png_ptr->time_buffer = (png_charp)png_malloc(png_ptr, (png_uint_32)(29*
@ -693,8 +706,8 @@ png_charp PNGAPI
png_get_copyright(png_structp png_ptr)
{
if (&png_ptr != NULL) /* silence compiler warning about unused png_ptr */
return ((png_charp) "\n libpng version 1.2.12 - June 27, 2006\n\
Copyright (c) 1998-2006 Glenn Randers-Pehrson\n\
return ((png_charp) "\n libpng version 1.2.18 - May 15, 2007\n\
Copyright (c) 1998-2007 Glenn Randers-Pehrson\n\
Copyright (c) 1996-1997 Andreas Dilger\n\
Copyright (c) 1995-1996 Guy Eric Schalnat, Group 42, Inc.\n");
return ((png_charp) "");
@ -757,6 +770,7 @@ png_handle_as_unknown(png_structp png_ptr, png_bytep chunk_name)
int PNGAPI
png_reset_zstream(png_structp png_ptr)
{
if (png_ptr == NULL) return Z_STREAM_ERROR;
return (inflateReset(&png_ptr->zstream));
}
#endif /* defined(PNG_READ_SUPPORTED) || defined(PNG_WRITE_SUPPORTED) */
@ -770,14 +784,14 @@ png_access_version_number(void)
}
#if defined(PNG_READ_SUPPORTED)
#if defined(PNG_READ_SUPPORTED) && defined(PNG_ASSEMBLER_CODE_SUPPORTED)
#if !defined(PNG_1_0_X)
#if defined(PNG_ASSEMBLER_CODE_SUPPORTED)
/* GRR: could add this: && defined(PNG_MMX_CODE_SUPPORTED) */
#if defined(PNG_MMX_CODE_SUPPORTED)
/* this INTERNAL function was added to libpng 1.2.0 */
void /* PRIVATE */
png_init_mmx_flags (png_structp png_ptr)
{
if(png_ptr == NULL) return;
png_ptr->mmx_rowbytes_threshold = 0;
png_ptr->mmx_bitdepth_threshold = 0;
@ -787,13 +801,13 @@ png_init_mmx_flags (png_structp png_ptr)
if (png_mmx_support() > 0) {
png_ptr->asm_flags |= PNG_ASM_FLAG_MMX_SUPPORT_IN_CPU
# ifdef PNG_HAVE_ASSEMBLER_COMBINE_ROW
# ifdef PNG_HAVE_MMX_COMBINE_ROW
| PNG_ASM_FLAG_MMX_READ_COMBINE_ROW
# endif
# ifdef PNG_HAVE_ASSEMBLER_READ_INTERLACE
# ifdef PNG_HAVE_MMX_READ_INTERLACE
| PNG_ASM_FLAG_MMX_READ_INTERLACE
# endif
# ifndef PNG_HAVE_ASSEMBLER_READ_FILTER_ROW
# ifndef PNG_HAVE_MMX_READ_FILTER_ROW
;
# else
| PNG_ASM_FLAG_MMX_READ_FILTER_SUB
@ -810,7 +824,7 @@ png_init_mmx_flags (png_structp png_ptr)
| PNG_MMX_WRITE_FLAGS );
}
# else /* !((PNGVCRD || PNGGCCRD) && PNG_ASSEMBLER_CODE_SUPPORTED)) */
# else /* !(PNGVCRD || PNGGCCRD) */
/* clear all MMX flags; no support is compiled in */
png_ptr->asm_flags &= ~( PNG_MMX_FLAGS );
@ -818,18 +832,18 @@ png_init_mmx_flags (png_structp png_ptr)
# endif /* ?(PNGVCRD || PNGGCCRD) */
}
#endif /* !(PNG_ASSEMBLER_CODE_SUPPORTED) */
#endif /* !(PNG_MMX_CODE_SUPPORTED) */
/* this function was added to libpng 1.2.0 */
#if !defined(PNG_USE_PNGGCCRD) && \
!(defined(PNG_ASSEMBLER_CODE_SUPPORTED) && defined(PNG_USE_PNGVCRD))
!(defined(PNG_MMX_CODE_SUPPORTED) && defined(PNG_USE_PNGVCRD))
int PNGAPI
png_mmx_support(void)
{
return -1;
}
#endif
#endif /* PNG_1_0_X */
#endif /* PNG_1_0_X && PNG_ASSEMBLER_CODE_SUPPORTED */
#endif /* PNG_READ_SUPPORTED */
#if defined(PNG_READ_SUPPORTED) || defined(PNG_WRITE_SUPPORTED)

3481
src/libs/png/png.h
View File

File diff suppressed because it is too large Load Diff

1472
src/libs/png/pngconf.h
View File

File diff suppressed because it is too large Load Diff

25
src/libs/png/pngerror.c
View File

@ -1,7 +1,7 @@
/* pngerror.c - stub functions for i/o and memory allocation
*
* Last changed in libpng 1.2.9 April 14, 2006
* Last changed in libpng 1.2.13 November 13, 2006
* For conditions of distribution and use, see copyright notice in png.h
* Copyright (c) 1998-2006 Glenn Randers-Pehrson
* (Version 0.96 Copyright (c) 1996, 1997 Andreas Dilger)
@ -113,7 +113,7 @@ png_warning(png_structp png_ptr, png_const_charp warning_message)
* if the character is invalid.
*/
#define isnonalpha(c) ((c) < 65 || (c) > 122 || ((c) > 90 && (c) < 97))
static PNG_CONST char png_digit[16] = {
const static PNG_CONST char png_digit[16] = {
'0', '1', '2', '3', '4', '5', '6', '7', '8', '9',
'A', 'B', 'C', 'D', 'E', 'F'
};
@ -157,8 +157,11 @@ png_chunk_error(png_structp png_ptr, png_const_charp error_message)
char msg[18+64];
if (png_ptr == NULL)
png_error(png_ptr, error_message);
png_format_buffer(png_ptr, msg, error_message);
png_error(png_ptr, msg);
else
{
png_format_buffer(png_ptr, msg, error_message);
png_error(png_ptr, msg);
}
}
void PNGAPI
@ -167,8 +170,11 @@ png_chunk_warning(png_structp png_ptr, png_const_charp warning_message)
char msg[18+64];
if (png_ptr == NULL)
png_warning(png_ptr, warning_message);
png_format_buffer(png_ptr, msg, warning_message);
png_warning(png_ptr, msg);
else
{
png_format_buffer(png_ptr, msg, warning_message);
png_warning(png_ptr, msg);
}
}
/* This is the default error handling function. Note that replacements for
@ -206,6 +212,8 @@ png_default_error(png_structp png_ptr, png_const_charp error_message)
#endif
#ifdef PNG_SETJMP_SUPPORTED
if (png_ptr)
{
# ifdef USE_FAR_KEYWORD
{
jmp_buf jmpbuf;
@ -214,10 +222,9 @@ png_default_error(png_structp png_ptr, png_const_charp error_message)
}
# else
longjmp(png_ptr->jmpbuf, 1);
# endif
# endif
}
#else
/* make compiler happy */ ;
if (png_ptr)
PNG_ABORT();
#endif
#ifdef PNG_NO_CONSOLE_IO

126
src/libs/png/pnggccrd.c
View File

@ -7,9 +7,9 @@
* and http://www.intel.com/drg/pentiumII/appnotes/923/923.htm
* for Intel's performance analysis of the MMX vs. non-MMX code.
*
* Last changed in libpng 1.2.9 April 14, 2006
* Last changed in libpng 1.2.15 January 5, 2007
* For conditions of distribution and use, see copyright notice in png.h
* Copyright (c) 1998-2006 Glenn Randers-Pehrson
* Copyright (c) 1998-2007 Glenn Randers-Pehrson
* Copyright (c) 1998, Intel Corporation
*
* Based on MSVC code contributed by Nirav Chhatrapati, Intel Corp., 1998.
@ -245,17 +245,17 @@
#define PNG_INTERNAL
#include "png.h"
#if defined(PNG_USE_PNGGCCRD)
#if defined(PNG_ASSEMBLER_CODE_SUPPORTED) && defined(PNG_USE_PNGGCCRD)
int PNGAPI png_mmx_support(void);
#ifdef PNG_USE_LOCAL_ARRAYS
static const int FARDATA png_pass_start[7] = {0, 4, 0, 2, 0, 1, 0};
static const int FARDATA png_pass_inc[7] = {8, 8, 4, 4, 2, 2, 1};
static const int FARDATA png_pass_width[7] = {8, 4, 4, 2, 2, 1, 1};
const static int FARDATA png_pass_start[7] = {0, 4, 0, 2, 0, 1, 0};
const static int FARDATA png_pass_inc[7] = {8, 8, 4, 4, 2, 2, 1};
const static int FARDATA png_pass_width[7] = {8, 4, 4, 2, 2, 1, 1};
#endif
#if defined(PNG_ASSEMBLER_CODE_SUPPORTED)
#if defined(PNG_MMX_CODE_SUPPORTED)
/* djgpp, Win32, Cygwin, and OS2 add their own underscores to global variables,
* so define them without: */
#if defined(__DJGPP__) || defined(WIN32) || defined(__CYGWIN__) || \
@ -311,30 +311,30 @@ static const int FARDATA png_pass_width[7] = {8, 4, 4, 2, 2, 1, 1};
static int _unmask;
#endif
static unsigned long long _mask8_0 = 0x0102040810204080LL;
const static unsigned long long _mask8_0 = 0x0102040810204080LL;
static unsigned long long _mask16_1 = 0x0101020204040808LL;
static unsigned long long _mask16_0 = 0x1010202040408080LL;
const static unsigned long long _mask16_1 = 0x0101020204040808LL;
const static unsigned long long _mask16_0 = 0x1010202040408080LL;
static unsigned long long _mask24_2 = 0x0101010202020404LL;
static unsigned long long _mask24_1 = 0x0408080810101020LL;
static unsigned long long _mask24_0 = 0x2020404040808080LL;
const static unsigned long long _mask24_2 = 0x0101010202020404LL;
const static unsigned long long _mask24_1 = 0x0408080810101020LL;
const static unsigned long long _mask24_0 = 0x2020404040808080LL;
static unsigned long long _mask32_3 = 0x0101010102020202LL;
static unsigned long long _mask32_2 = 0x0404040408080808LL;
static unsigned long long _mask32_1 = 0x1010101020202020LL;
static unsigned long long _mask32_0 = 0x4040404080808080LL;
const static unsigned long long _mask32_3 = 0x0101010102020202LL;
const static unsigned long long _mask32_2 = 0x0404040408080808LL;
const static unsigned long long _mask32_1 = 0x1010101020202020LL;
const static unsigned long long _mask32_0 = 0x4040404080808080LL;
static unsigned long long _mask48_5 = 0x0101010101010202LL;
static unsigned long long _mask48_4 = 0x0202020204040404LL;
static unsigned long long _mask48_3 = 0x0404080808080808LL;
static unsigned long long _mask48_2 = 0x1010101010102020LL;
static unsigned long long _mask48_1 = 0x2020202040404040LL;
static unsigned long long _mask48_0 = 0x4040808080808080LL;
const static unsigned long long _mask48_5 = 0x0101010101010202LL;
const static unsigned long long _mask48_4 = 0x0202020204040404LL;
const static unsigned long long _mask48_3 = 0x0404080808080808LL;
const static unsigned long long _mask48_2 = 0x1010101010102020LL;
const static unsigned long long _mask48_1 = 0x2020202040404040LL;
const static unsigned long long _mask48_0 = 0x4040808080808080LL;
static unsigned long long _const4 = 0x0000000000FFFFFFLL;
//static unsigned long long _const5 = 0x000000FFFFFF0000LL; // NOT USED
static unsigned long long _const6 = 0x00000000000000FFLL;
const static unsigned long long _const4 = 0x0000000000FFFFFFLL;
//const static unsigned long long _const5 = 0x000000FFFFFF0000LL; // NOT USED
const static unsigned long long _const6 = 0x00000000000000FFLL;
// These are used in the row-filter routines and should/would be local
// variables if not for gcc addressing limitations.
@ -378,7 +378,7 @@ png_squelch_warnings(void)
_mask48_1 = _mask48_1;
_mask48_0 = _mask48_0;
}
#endif /* PNG_ASSEMBLER_CODE_SUPPORTED */
#endif /* PNG_MMX_CODE_SUPPORTED */
static int _mmx_supported = 2;
@ -389,7 +389,7 @@ static int _mmx_supported = 2;
/* */
/*===========================================================================*/
#if defined(PNG_HAVE_ASSEMBLER_COMBINE_ROW)
#if defined(PNG_HAVE_MMX_COMBINE_ROW)
#define BPP2 2
#define BPP3 3 /* bytes per pixel (a.k.a. pixel_bytes) */
@ -416,7 +416,7 @@ png_combine_row(png_structp png_ptr, png_bytep row, int mask)
{
png_debug(1, "in png_combine_row (pnggccrd.c)\n");
#if defined(PNG_ASSEMBLER_CODE_SUPPORTED)
#if defined(PNG_MMX_CODE_SUPPORTED)
if (_mmx_supported == 2) {
#if !defined(PNG_1_0_X)
/* this should have happened in png_init_mmx_flags() already */
@ -607,7 +607,7 @@ png_combine_row(png_structp png_ptr, png_bytep row, int mask)
png_bytep srcptr;
png_bytep dstptr;
#if defined(PNG_ASSEMBLER_CODE_SUPPORTED) && defined(PNG_THREAD_UNSAFE_OK)
#if defined(PNG_MMX_CODE_SUPPORTED) && defined(PNG_THREAD_UNSAFE_OK)
#if !defined(PNG_1_0_X)
if ((png_ptr->asm_flags & PNG_ASM_FLAG_MMX_READ_COMBINE_ROW)
/* && _mmx_supported */ )
@ -700,7 +700,7 @@ png_combine_row(png_structp png_ptr, png_bytep row, int mask)
);
}
else /* mmx _not supported - Use modified C routine */
#endif /* PNG_ASSEMBLER_CODE_SUPPORTED */
#endif /* PNG_MMX_CODE_SUPPORTED */
{
register png_uint_32 i;
png_uint_32 initial_val = png_pass_start[png_ptr->pass];
@ -745,7 +745,7 @@ png_combine_row(png_structp png_ptr, png_bytep row, int mask)
png_bytep srcptr;
png_bytep dstptr;
#if defined(PNG_ASSEMBLER_CODE_SUPPORTED) && defined(PNG_THREAD_UNSAFE_OK)
#if defined(PNG_MMX_CODE_SUPPORTED) && defined(PNG_THREAD_UNSAFE_OK)
#if !defined(PNG_1_0_X)
if ((png_ptr->asm_flags & PNG_ASM_FLAG_MMX_READ_COMBINE_ROW)
/* && _mmx_supported */ )
@ -854,7 +854,7 @@ png_combine_row(png_structp png_ptr, png_bytep row, int mask)
);
}
else /* mmx _not supported - Use modified C routine */
#endif /* PNG_ASSEMBLER_CODE_SUPPORTED */
#endif /* PNG_MMX_CODE_SUPPORTED */
{
register png_uint_32 i;
png_uint_32 initial_val = BPP2 * png_pass_start[png_ptr->pass];
@ -898,7 +898,7 @@ png_combine_row(png_structp png_ptr, png_bytep row, int mask)
png_bytep srcptr;
png_bytep dstptr;
#if defined(PNG_ASSEMBLER_CODE_SUPPORTED) && defined(PNG_THREAD_UNSAFE_OK)
#if defined(PNG_MMX_CODE_SUPPORTED) && defined(PNG_THREAD_UNSAFE_OK)
#if !defined(PNG_1_0_X)
if ((png_ptr->asm_flags & PNG_ASM_FLAG_MMX_READ_COMBINE_ROW)
/* && _mmx_supported */ )
@ -1022,7 +1022,7 @@ png_combine_row(png_structp png_ptr, png_bytep row, int mask)
);
}
else /* mmx _not supported - Use modified C routine */
#endif /* PNG_ASSEMBLER_CODE_SUPPORTED */
#endif /* PNG_MMX_CODE_SUPPORTED */
{
register png_uint_32 i;
png_uint_32 initial_val = BPP3 * png_pass_start[png_ptr->pass];
@ -1066,7 +1066,7 @@ png_combine_row(png_structp png_ptr, png_bytep row, int mask)
png_bytep srcptr;
png_bytep dstptr;
#if defined(PNG_ASSEMBLER_CODE_SUPPORTED) && defined(PNG_THREAD_UNSAFE_OK)
#if defined(PNG_MMX_CODE_SUPPORTED) && defined(PNG_THREAD_UNSAFE_OK)
#if !defined(PNG_1_0_X)
if ((png_ptr->asm_flags & PNG_ASM_FLAG_MMX_READ_COMBINE_ROW)
/* && _mmx_supported */ )
@ -1197,7 +1197,7 @@ png_combine_row(png_structp png_ptr, png_bytep row, int mask)
);
}
else /* mmx _not supported - Use modified C routine */
#endif /* PNG_ASSEMBLER_CODE_SUPPORTED */
#endif /* PNG_MMX_CODE_SUPPORTED */
{
register png_uint_32 i;
png_uint_32 initial_val = BPP4 * png_pass_start[png_ptr->pass];
@ -1241,7 +1241,7 @@ png_combine_row(png_structp png_ptr, png_bytep row, int mask)
png_bytep srcptr;
png_bytep dstptr;
#if defined(PNG_ASSEMBLER_CODE_SUPPORTED) && defined(PNG_THREAD_UNSAFE_OK)
#if defined(PNG_MMX_CODE_SUPPORTED) && defined(PNG_THREAD_UNSAFE_OK)
#if !defined(PNG_1_0_X)
if ((png_ptr->asm_flags & PNG_ASM_FLAG_MMX_READ_COMBINE_ROW)
/* && _mmx_supported */ )
@ -1389,7 +1389,7 @@ png_combine_row(png_structp png_ptr, png_bytep row, int mask)
);
}
else /* mmx _not supported - Use modified C routine */
#endif /* PNG_ASSEMBLER_CODE_SUPPORTED */
#endif /* PNG_MMX_CODE_SUPPORTED */
{
register png_uint_32 i;
png_uint_32 initial_val = BPP6 * png_pass_start[png_ptr->pass];
@ -1480,7 +1480,7 @@ png_combine_row(png_structp png_ptr, png_bytep row, int mask)
} /* end png_combine_row() */
#endif /* PNG_HAVE_ASSEMBLER_COMBINE_ROW */
#endif /* PNG_HAVE_MMX_COMBINE_ROW */
@ -1492,7 +1492,7 @@ png_combine_row(png_structp png_ptr, png_bytep row, int mask)
/*===========================================================================*/
#if defined(PNG_READ_INTERLACING_SUPPORTED)
#if defined(PNG_HAVE_ASSEMBLER_READ_INTERLACE)
#if defined(PNG_HAVE_MMX_READ_INTERLACE)
/* png_do_read_interlace() is called after any 16-bit to 8-bit conversion
* has taken place. [GRR: what other steps come before and/or after?]
@ -1510,7 +1510,7 @@ png_do_read_interlace(png_structp png_ptr)
png_debug(1, "in png_do_read_interlace (pnggccrd.c)\n");
#if defined(PNG_ASSEMBLER_CODE_SUPPORTED)
#if defined(PNG_MMX_CODE_SUPPORTED)
if (_mmx_supported == 2) {
#if !defined(PNG_1_0_X)
/* this should have happened in png_init_mmx_flags() already */
@ -1723,7 +1723,7 @@ png_do_read_interlace(png_structp png_ptr)
/* New code by Nirav Chhatrapati - Intel Corporation */
#if defined(PNG_ASSEMBLER_CODE_SUPPORTED)
#if defined(PNG_MMX_CODE_SUPPORTED)
#if !defined(PNG_1_0_X)
if ((png_ptr->asm_flags & PNG_ASM_FLAG_MMX_READ_INTERLACE)
/* && _mmx_supported */ )
@ -2628,7 +2628,7 @@ png_do_read_interlace(png_structp png_ptr)
/* GRR 19991007: does it? or should pixel_bytes in each
* block be replaced with immediate value (e.g., 1)? */
/* GRR 19991017: replaced with constants in each case */
#endif /* PNG_ASSEMBLER_CODE_SUPPORTED */
#endif /* PNG_MMX_CODE_SUPPORTED */
{
if (pixel_bytes == 1)
{
@ -2753,13 +2753,13 @@ png_do_read_interlace(png_structp png_ptr)
} /* end png_do_read_interlace() */
#endif /* PNG_HAVE_ASSEMBLER_READ_INTERLACE */
#endif /* PNG_HAVE_MMX_READ_INTERLACE */
#endif /* PNG_READ_INTERLACING_SUPPORTED */
#if defined(PNG_HAVE_ASSEMBLER_READ_FILTER_ROW)
#if defined(PNG_ASSEMBLER_CODE_SUPPORTED)
#if defined(PNG_HAVE_MMX_READ_FILTER_ROW)
#if defined(PNG_MMX_CODE_SUPPORTED)
// These variables are utilized in the functions below. They are declared
// globally here to ensure alignment on 8-byte boundaries.
@ -5066,7 +5066,7 @@ png_read_filter_row_mmx_up(png_row_infop row_info, png_bytep row,
} // end of png_read_filter_row_mmx_up()
#endif /* PNG_ASSEMBLER_CODE_SUPPORTED */
#endif /* PNG_MMX_CODE_SUPPORTED */
@ -5088,7 +5088,7 @@ png_read_filter_row(png_structp png_ptr, png_row_infop row_info, png_bytep
char filnm[10];
#endif
#if defined(PNG_ASSEMBLER_CODE_SUPPORTED)
#if defined(PNG_MMX_CODE_SUPPORTED)
/* GRR: these are superseded by png_ptr->asm_flags: */
#define UseMMX_sub 1 // GRR: converted 20000730
#define UseMMX_up 1 // GRR: converted 20000729
@ -5102,7 +5102,7 @@ png_read_filter_row(png_structp png_ptr, png_row_infop row_info, png_bytep
#endif
png_mmx_support();
}
#endif /* PNG_ASSEMBLER_CODE_SUPPORTED */
#endif /* PNG_MMX_CODE_SUPPORTED */
#ifdef PNG_DEBUG
png_debug(1, "in png_read_filter_row (pnggccrd.c)\n");
@ -5111,7 +5111,7 @@ png_read_filter_row(png_structp png_ptr, png_row_infop row_info, png_bytep
case 0: sprintf(filnm, "none");
break;
case 1: sprintf(filnm, "sub-%s",
#if defined(PNG_ASSEMBLER_CODE_SUPPORTED) && defined(PNG_THREAD_UNSAFE_OK)
#if defined(PNG_MMX_CODE_SUPPORTED) && defined(PNG_THREAD_UNSAFE_OK)
#if !defined(PNG_1_0_X)
(png_ptr->asm_flags & PNG_ASM_FLAG_MMX_READ_FILTER_SUB)? "MMX" :
#endif
@ -5119,7 +5119,7 @@ png_read_filter_row(png_structp png_ptr, png_row_infop row_info, png_bytep
"x86");
break;
case 2: sprintf(filnm, "up-%s",
#ifdef PNG_ASSEMBLER_CODE_SUPPORTED
#ifdef PNG_MMX_CODE_SUPPORTED
#if !defined(PNG_1_0_X)
(png_ptr->asm_flags & PNG_ASM_FLAG_MMX_READ_FILTER_UP)? "MMX" :
#endif
@ -5127,7 +5127,7 @@ png_read_filter_row(png_structp png_ptr, png_row_infop row_info, png_bytep
"x86");
break;
case 3: sprintf(filnm, "avg-%s",
#if defined(PNG_ASSEMBLER_CODE_SUPPORTED) && defined(PNG_THREAD_UNSAFE_OK)
#if defined(PNG_MMX_CODE_SUPPORTED) && defined(PNG_THREAD_UNSAFE_OK)
#if !defined(PNG_1_0_X)
(png_ptr->asm_flags & PNG_ASM_FLAG_MMX_READ_FILTER_AVG)? "MMX" :
#endif
@ -5135,7 +5135,7 @@ png_read_filter_row(png_structp png_ptr, png_row_infop row_info, png_bytep
"x86");
break;
case 4: sprintf(filnm, "Paeth-%s",
#if defined(PNG_ASSEMBLER_CODE_SUPPORTED) && defined(PNG_THREAD_UNSAFE_OK)
#if defined(PNG_MMX_CODE_SUPPORTED) && defined(PNG_THREAD_UNSAFE_OK)
#if !defined(PNG_1_0_X)
(png_ptr->asm_flags & PNG_ASM_FLAG_MMX_READ_FILTER_PAETH)? "MMX":
#endif
@ -5158,7 +5158,7 @@ png_read_filter_row(png_structp png_ptr, png_row_infop row_info, png_bytep
break;
case PNG_FILTER_VALUE_SUB:
#if defined(PNG_ASSEMBLER_CODE_SUPPORTED) && defined(PNG_THREAD_UNSAFE_OK)
#if defined(PNG_MMX_CODE_SUPPORTED) && defined(PNG_THREAD_UNSAFE_OK)
#if !defined(PNG_1_0_X)
if ((png_ptr->asm_flags & PNG_ASM_FLAG_MMX_READ_FILTER_SUB) &&
(row_info->pixel_depth >= png_ptr->mmx_bitdepth_threshold) &&
@ -5170,7 +5170,7 @@ png_read_filter_row(png_structp png_ptr, png_row_infop row_info, png_bytep
png_read_filter_row_mmx_sub(row_info, row);
}
else
#endif /* PNG_ASSEMBLER_CODE_SUPPORTED */
#endif /* PNG_MMX_CODE_SUPPORTED */
{
png_uint_32 i;
png_uint_32 istop = row_info->rowbytes;
@ -5187,7 +5187,7 @@ png_read_filter_row(png_structp png_ptr, png_row_infop row_info, png_bytep
break;
case PNG_FILTER_VALUE_UP:
#if defined(PNG_ASSEMBLER_CODE_SUPPORTED)
#if defined(PNG_MMX_CODE_SUPPORTED)
#if !defined(PNG_1_0_X)
if ((png_ptr->asm_flags & PNG_ASM_FLAG_MMX_READ_FILTER_UP) &&
(row_info->pixel_depth >= png_ptr->mmx_bitdepth_threshold) &&
@ -5199,7 +5199,7 @@ png_read_filter_row(png_structp png_ptr, png_row_infop row_info, png_bytep
png_read_filter_row_mmx_up(row_info, row, prev_row);
}
else
#endif /* PNG_ASSEMBLER_CODE_SUPPORTED */
#endif /* PNG_MMX_CODE_SUPPORTED */
{
png_uint_32 i;
png_uint_32 istop = row_info->rowbytes;
@ -5215,7 +5215,7 @@ png_read_filter_row(png_structp png_ptr, png_row_infop row_info, png_bytep
break;
case PNG_FILTER_VALUE_AVG:
#if defined(PNG_ASSEMBLER_CODE_SUPPORTED) && defined(PNG_THREAD_UNSAFE_OK)
#if defined(PNG_MMX_CODE_SUPPORTED) && defined(PNG_THREAD_UNSAFE_OK)
#if !defined(PNG_1_0_X)
if ((png_ptr->asm_flags & PNG_ASM_FLAG_MMX_READ_FILTER_AVG) &&
(row_info->pixel_depth >= png_ptr->mmx_bitdepth_threshold) &&
@ -5227,7 +5227,7 @@ png_read_filter_row(png_structp png_ptr, png_row_infop row_info, png_bytep
png_read_filter_row_mmx_avg(row_info, row, prev_row);
}
else
#endif /* PNG_ASSEMBLER_CODE_SUPPORTED */
#endif /* PNG_MMX_CODE_SUPPORTED */
{
png_uint_32 i;
png_bytep rp = row;
@ -5253,7 +5253,7 @@ png_read_filter_row(png_structp png_ptr, png_row_infop row_info, png_bytep
break;
case PNG_FILTER_VALUE_PAETH:
#if defined(PNG_ASSEMBLER_CODE_SUPPORTED) && defined(PNG_THREAD_UNSAFE_OK)
#if defined(PNG_MMX_CODE_SUPPORTED) && defined(PNG_THREAD_UNSAFE_OK)
#if !defined(PNG_1_0_X)
if ((png_ptr->asm_flags & PNG_ASM_FLAG_MMX_READ_FILTER_PAETH) &&
(row_info->pixel_depth >= png_ptr->mmx_bitdepth_threshold) &&
@ -5265,7 +5265,7 @@ png_read_filter_row(png_structp png_ptr, png_row_infop row_info, png_bytep
png_read_filter_row_mmx_paeth(row_info, row, prev_row);
}
else
#endif /* PNG_ASSEMBLER_CODE_SUPPORTED */
#endif /* PNG_MMX_CODE_SUPPORTED */
{
png_uint_32 i;
png_bytep rp = row;
@ -5326,7 +5326,7 @@ png_read_filter_row(png_structp png_ptr, png_row_infop row_info, png_bytep
}
}
#endif /* PNG_HAVE_ASSEMBLER_READ_FILTER_ROW */
#endif /* PNG_HAVE_MMX_READ_FILTER_ROW */
/*===========================================================================*/

30
src/libs/png/pngget.c
View File

@ -1,9 +1,9 @@
/* pngget.c - retrieval of values from info struct
*
* Last changed in libpng 1.2.9 April 14, 2006
* Last changed in libpng 1.2.15 January 5, 2007
* For conditions of distribution and use, see copyright notice in png.h
* Copyright (c) 1998-2006 Glenn Randers-Pehrson
* Copyright (c) 1998-2007 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.)
*/
@ -829,19 +829,24 @@ png_get_compression_buffer_size(png_structp png_ptr)
}
#endif
#ifndef PNG_1_0_X
#ifdef PNG_ASSEMBLER_CODE_SUPPORTED
#ifndef PNG_1_0_X
/* this function was added to libpng 1.2.0 and should exist by default */
png_uint_32 PNGAPI
png_get_asm_flags (png_structp png_ptr)
{
#ifdef PNG_MMX_CODE_SUPPORTED
return (png_uint_32)(png_ptr? png_ptr->asm_flags : 0L);
#else
return (png_ptr? 0L: 0L);
#endif
}
/* this function was added to libpng 1.2.0 and should exist by default */
png_uint_32 PNGAPI
png_get_asm_flagmask (int flag_select)
{
#ifdef PNG_MMX_CODE_SUPPORTED
png_uint_32 settable_asm_flags = 0;
if (flag_select & PNG_SELECT_READ)
@ -862,16 +867,18 @@ png_get_asm_flagmask (int flag_select)
#endif /* 0 */
return settable_asm_flags; /* _theoretically_ settable capabilities only */
#else
return (0L);
#endif /* PNG_MMX_CODE_SUPPORTED */
}
#endif /* PNG_ASSEMBLER_CODE_SUPPORTED */
#if defined(PNG_ASSEMBLER_CODE_SUPPORTED)
/* GRR: could add this: && defined(PNG_MMX_CODE_SUPPORTED) */
/* this function was added to libpng 1.2.0 */
png_uint_32 PNGAPI
png_get_mmx_flagmask (int flag_select, int *compilerID)
{
#if defined(PNG_MMX_CODE_SUPPORTED)
png_uint_32 settable_mmx_flags = 0;
if (flag_select & PNG_SELECT_READ)
@ -902,23 +909,34 @@ png_get_mmx_flagmask (int flag_select, int *compilerID)
}
return settable_mmx_flags; /* _theoretically_ settable capabilities only */
#else
return (0L);
#endif /* ?PNG_MMX_CODE_SUPPORTED */
}
/* this function was added to libpng 1.2.0 */
png_byte PNGAPI
png_get_mmx_bitdepth_threshold (png_structp png_ptr)
{
#if defined(PNG_MMX_CODE_SUPPORTED)
return (png_byte)(png_ptr? png_ptr->mmx_bitdepth_threshold : 0);
#else
return (png_ptr? 0: 0);
#endif /* ?PNG_MMX_CODE_SUPPORTED */
}
/* this function was added to libpng 1.2.0 */
png_uint_32 PNGAPI
png_get_mmx_rowbytes_threshold (png_structp png_ptr)
{
#if defined(PNG_MMX_CODE_SUPPORTED)
return (png_uint_32)(png_ptr? png_ptr->mmx_rowbytes_threshold : 0L);
#else
return (png_ptr? 0L: 0L);
#endif /* ?PNG_MMX_CODE_SUPPORTED */
}
#endif /* ?PNG_ASSEMBLER_CODE_SUPPORTED */
#endif /* ?PNG_1_0_X */
#endif /* ?PNG_ASSEMBLER_CODE_SUPPORTED */
#ifdef PNG_SET_USER_LIMITS_SUPPORTED
/* these functions were added to libpng 1.2.6 */

14
src/libs/png/pngmem.c
View File

@ -1,7 +1,7 @@
/* pngmem.c - stub functions for memory allocation
*
* Last changed in libpng 1.2.9 April 14, 2006
* Last changed in libpng 1.2.13 November 13, 2006
* For conditions of distribution and use, see copyright notice in png.h
* Copyright (c) 1998-2006 Glenn Randers-Pehrson
* (Version 0.96 Copyright (c) 1996, 1997 Andreas Dilger)
@ -137,6 +137,9 @@ png_malloc_default(png_structp png_ptr, png_uint_32 size)
png_voidp ret;
#endif /* PNG_USER_MEM_SUPPORTED */
if (png_ptr == NULL || size == 0)
return (NULL);
#ifdef PNG_MAX_MALLOC_64K
if (size > (png_uint_32)65536L)
{
@ -290,6 +293,8 @@ png_free_default(png_structp png_ptr, png_voidp ptr)
{
#endif /* PNG_USER_MEM_SUPPORTED */
if(png_ptr == NULL) return;
if (png_ptr->offset_table != NULL)
{
int i;
@ -536,8 +541,10 @@ png_voidp PNGAPI
png_malloc_warn(png_structp png_ptr, png_uint_32 size)
{
png_voidp ptr;
png_uint_32 save_flags=png_ptr->flags;
png_uint_32 save_flags;
if(png_ptr == NULL) return (NULL);
save_flags=png_ptr->flags;
png_ptr->flags|=PNG_FLAG_MALLOC_NULL_MEM_OK;
ptr = (png_voidp)png_malloc((png_structp)png_ptr, size);
png_ptr->flags=save_flags;
@ -580,9 +587,11 @@ void PNGAPI
png_set_mem_fn(png_structp png_ptr, png_voidp mem_ptr, png_malloc_ptr
malloc_fn, png_free_ptr free_fn)
{
if(png_ptr != NULL) {
png_ptr->mem_ptr = mem_ptr;
png_ptr->malloc_fn = malloc_fn;
png_ptr->free_fn = free_fn;
}
}
/* This function returns a pointer to the mem_ptr associated with the user
@ -592,6 +601,7 @@ png_set_mem_fn(png_structp png_ptr, png_voidp mem_ptr, png_malloc_ptr
png_voidp PNGAPI
png_get_mem_ptr(png_structp png_ptr)
{
if(png_ptr == NULL) return (NULL);
return ((png_voidp)png_ptr->mem_ptr);
}
#endif /* PNG_USER_MEM_SUPPORTED */

39
src/libs/png/pngpread.c
View File

@ -1,9 +1,9 @@
/* pngpread.c - read a png file in push mode
*
* Last changed in libpng 1.2.11 - June 7, 2004
* Last changed in libpng 1.2.17 May 15, 2007
* For conditions of distribution and use, see copyright notice in png.h
* Copyright (c) 1998-2006 Glenn Randers-Pehrson
* Copyright (c) 1998-2007 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.)
*/
@ -28,6 +28,7 @@ void PNGAPI
png_process_data(png_structp png_ptr, png_infop info_ptr,
png_bytep buffer, png_size_t buffer_size)
{
if(png_ptr == NULL) return;
png_push_restore_buffer(png_ptr, buffer, buffer_size);
while (png_ptr->buffer_size)
@ -42,6 +43,7 @@ png_process_data(png_structp png_ptr, png_infop info_ptr,
void /* PRIVATE */
png_process_some_data(png_structp png_ptr, png_infop info_ptr)
{
if(png_ptr == NULL) return;
switch (png_ptr->process_mode)
{
case PNG_READ_SIG_MODE:
@ -561,6 +563,7 @@ png_push_fill_buffer(png_structp png_ptr, png_bytep buffer, png_size_t length)
{
png_bytep ptr;
if(png_ptr == NULL) return;
ptr = buffer;
if (png_ptr->save_buffer_size)
{
@ -1485,8 +1488,6 @@ png_push_handle_unknown(png_structp png_ptr, png_infop info_ptr, png_uint_32
#if defined(PNG_READ_UNKNOWN_CHUNKS_SUPPORTED)
if (png_ptr->flags & PNG_FLAG_KEEP_UNKNOWN_CHUNKS)
{
png_unknown_chunk chunk;
#ifdef PNG_MAX_MALLOC_64K
if (length > (png_uint_32)65535L)
{
@ -1495,28 +1496,35 @@ png_push_handle_unknown(png_structp png_ptr, png_infop info_ptr, png_uint_32
length = (png_uint_32)65535L;
}
#endif
png_strcpy((png_charp)chunk.name, (png_charp)png_ptr->chunk_name);
chunk.data = (png_bytep)png_malloc(png_ptr, length);
png_crc_read(png_ptr, chunk.data, length);
chunk.size = length;
png_strcpy((png_charp)png_ptr->unknown_chunk.name,
(png_charp)png_ptr->chunk_name);
png_ptr->unknown_chunk.data = (png_bytep)png_malloc(png_ptr, length);
png_ptr->unknown_chunk.size = (png_size_t)length;
png_crc_read(png_ptr, (png_bytep)png_ptr->unknown_chunk.data, length);
#if defined(PNG_READ_USER_CHUNKS_SUPPORTED)
if(png_ptr->read_user_chunk_fn != NULL)
{
/* callback to user unknown chunk handler */
if ((*(png_ptr->read_user_chunk_fn)) (png_ptr, &chunk) <= 0)
int ret;
ret = (*(png_ptr->read_user_chunk_fn))
(png_ptr, &png_ptr->unknown_chunk);
if (ret < 0)
png_chunk_error(png_ptr, "error in user chunk");
if (ret == 0)
{
if (!(png_ptr->chunk_name[0] & 0x20))
if(png_handle_as_unknown(png_ptr, png_ptr->chunk_name) !=
PNG_HANDLE_CHUNK_ALWAYS)
png_chunk_error(png_ptr, "unknown critical chunk");
png_set_unknown_chunks(png_ptr, info_ptr,
&png_ptr->unknown_chunk, 1);
}
png_set_unknown_chunks(png_ptr, info_ptr, &chunk, 1);
}
else
#else
png_set_unknown_chunks(png_ptr, info_ptr, &png_ptr->unknown_chunk, 1);
#endif
png_set_unknown_chunks(png_ptr, info_ptr, &chunk, 1);
png_free(png_ptr, chunk.data);
png_free(png_ptr, png_ptr->unknown_chunk.data);
png_ptr->unknown_chunk.data = NULL;
}
else
#endif
@ -1554,6 +1562,7 @@ png_progressive_combine_row (png_structp png_ptr,
const int FARDATA png_pass_dsp_mask[7] =
{0xff, 0x0f, 0xff, 0x33, 0xff, 0x55, 0xff};
#endif
if(png_ptr == NULL) return;
if (new_row != NULL) /* new_row must == png_ptr->row_buf here. */
png_combine_row(png_ptr, old_row, png_pass_dsp_mask[png_ptr->pass]);
}
@ -1563,6 +1572,7 @@ png_set_progressive_read_fn(png_structp png_ptr, png_voidp progressive_ptr,
png_progressive_info_ptr info_fn, png_progressive_row_ptr row_fn,
png_progressive_end_ptr end_fn)
{
if(png_ptr == NULL) return;
png_ptr->info_fn = info_fn;
png_ptr->row_fn = row_fn;
png_ptr->end_fn = end_fn;
@ -1573,6 +1583,7 @@ png_set_progressive_read_fn(png_structp png_ptr, png_voidp progressive_ptr,
png_voidp PNGAPI
png_get_progressive_ptr(png_structp png_ptr)
{
if(png_ptr == NULL) return (NULL);
return png_ptr->io_ptr;
}
#endif /* PNG_PROGRESSIVE_READ_SUPPORTED */

18
src/libs/png/pngread.c
View File

@ -1,9 +1,9 @@
/* pngread.c - read a PNG file
*
* Last changed in libpng 1.2.11 June 7, 2006
* Last changed in libpng 1.2.15 January 5, 2007
* For conditions of distribution and use, see copyright notice in png.h
* Copyright (c) 1998-2006 Glenn Randers-Pehrson
* Copyright (c) 1998-2007 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.)
*
@ -56,7 +56,7 @@ png_create_read_struct_2(png_const_charp user_png_ver, png_voidp error_ptr,
return (NULL);
#if !defined(PNG_1_0_X)
#ifdef PNG_ASSEMBLER_CODE_SUPPORTED
#ifdef PNG_MMX_CODE_SUPPORTED
png_init_mmx_flags(png_ptr); /* 1.2.0 addition */
#endif
#endif /* PNG_1_0_X */
@ -188,6 +188,7 @@ png_read_init_2(png_structp png_ptr, png_const_charp user_png_ver,
png_size_t png_struct_size, png_size_t png_info_size)
{
/* We only come here via pre-1.0.12-compiled applications */
if(png_ptr == NULL) return;
#if !defined(PNG_NO_STDIO) && !defined(_WIN32_WCE)
if(png_sizeof(png_struct) > png_struct_size ||
png_sizeof(png_info) > png_info_size)
@ -239,6 +240,8 @@ png_read_init_3(png_structpp ptr_ptr, png_const_charp user_png_ver,
png_structp png_ptr=*ptr_ptr;
if(png_ptr == NULL) return;
do
{
if(user_png_ver[i] != png_libpng_ver[i])
@ -317,6 +320,7 @@ png_read_init_3(png_structpp ptr_ptr, png_const_charp user_png_ver,
void PNGAPI
png_read_info(png_structp png_ptr, png_infop info_ptr)
{
if(png_ptr == NULL) return;
png_debug(1, "in png_read_info\n");
/* If we haven't checked all of the PNG signature bytes, do so now. */
if (png_ptr->sig_bytes < 8)
@ -533,6 +537,7 @@ void PNGAPI
png_read_update_info(png_structp png_ptr, png_infop info_ptr)
{
png_debug(1, "in png_read_update_info\n");
if(png_ptr == NULL) return;
if (!(png_ptr->flags & PNG_FLAG_ROW_INIT))
png_read_start_row(png_ptr);
else
@ -551,6 +556,7 @@ void PNGAPI
png_start_read_image(png_structp png_ptr)
{
png_debug(1, "in png_start_read_image\n");
if(png_ptr == NULL) return;
if (!(png_ptr->flags & PNG_FLAG_ROW_INIT))
png_read_start_row(png_ptr);
}
@ -566,6 +572,7 @@ png_read_row(png_structp png_ptr, png_bytep row, png_bytep dsp_row)
const int png_pass_mask[7] = {0x80, 0x08, 0x88, 0x22, 0xaa, 0x55, 0xff};
#endif
int ret;
if(png_ptr == NULL) return;
png_debug2(1, "in png_read_row (row %lu, pass %d)\n",
png_ptr->row_number, png_ptr->pass);
if (!(png_ptr->flags & PNG_FLAG_ROW_INIT))
@ -824,6 +831,7 @@ png_read_rows(png_structp png_ptr, png_bytepp row,
png_bytepp dp;
png_debug(1, "in png_read_rows\n");
if(png_ptr == NULL) return;
rp = row;
dp = display_row;
if (rp != NULL && dp != NULL)
@ -872,6 +880,7 @@ png_read_image(png_structp png_ptr, png_bytepp image)
png_bytepp rp;
png_debug(1, "in png_read_image\n");
if(png_ptr == NULL) return;
#ifdef PNG_READ_INTERLACING_SUPPORTED
pass = png_set_interlace_handling(png_ptr);
@ -910,6 +919,7 @@ png_read_end(png_structp png_ptr, png_infop info_ptr)
png_uint_32 length;
png_debug(1, "in png_read_end\n");
if(png_ptr == NULL) return;
png_crc_finish(png_ptr, 0); /* Finish off CRC from last IDAT chunk */
do
@ -1300,6 +1310,7 @@ png_read_destroy(png_structp png_ptr, png_infop info_ptr, png_infop end_info_ptr
void PNGAPI
png_set_read_status_fn(png_structp png_ptr, png_read_status_ptr read_row_fn)
{
if(png_ptr == NULL) return;
png_ptr->read_row_fn = read_row_fn;
}
@ -1313,6 +1324,7 @@ png_read_png(png_structp png_ptr, png_infop info_ptr,
{
int row;
if(png_ptr == NULL) return;
#if defined(PNG_READ_INVERT_ALPHA_SUPPORTED)
/* invert the alpha channel from opacity to transparency
*/

5
src/libs/png/pngrio.c
View File

@ -1,7 +1,7 @@
/* pngrio.c - functions for data input
*
* Last changed in libpng 1.2.9 April 14, 2006
* Last changed in libpng 1.2.13 November 13, 2006
* For conditions of distribution and use, see copyright notice in png.h
* Copyright (c) 1998-2006 Glenn Randers-Pehrson
* (Version 0.96 Copyright (c) 1996, 1997 Andreas Dilger)
@ -46,6 +46,7 @@ png_default_read_data(png_structp png_ptr, png_bytep data, png_size_t length)
{
png_size_t check;
if(png_ptr == NULL) return;
/* fread() returns 0 on error, so it is OK to store this in a png_size_t
* instead of an int, which is what fread() actually returns.
*/
@ -76,6 +77,7 @@ png_default_read_data(png_structp png_ptr, png_bytep data, png_size_t length)
png_byte *n_data;
png_FILE_p io_ptr;
if(png_ptr == NULL) return;
/* Check if data really is near. If so, use usual code. */
n_data = (png_byte *)CVT_PTR_NOCHECK(data);
io_ptr = (png_FILE_p)CVT_PTR(png_ptr->io_ptr);
@ -136,6 +138,7 @@ void PNGAPI
png_set_read_fn(png_structp png_ptr, png_voidp io_ptr,
png_rw_ptr read_data_fn)
{
if(png_ptr == NULL) return;
png_ptr->io_ptr = io_ptr;
#if !defined(PNG_NO_STDIO)

62
src/libs/png/pngrtran.c
View File

@ -1,9 +1,9 @@
/* pngrtran.c - transforms the data in a row for PNG readers
*
* Last changed in libpng 1.2.11 June 15, 2006
* Last changed in libpng 1.2.15 January 5, 2007
* For conditions of distribution and use, see copyright notice in png.h
* Copyright (c) 1998-2006 Glenn Randers-Pehrson
* Copyright (c) 1998-2007 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.)
*
@ -24,6 +24,7 @@ png_set_crc_action(png_structp png_ptr, int crit_action, int ancil_action)
{
png_debug(1, "in png_set_crc_action\n");
/* Tell libpng how we react to CRC errors in critical chunks */
if(png_ptr == NULL) return;
switch (crit_action)
{
case PNG_CRC_NO_CHANGE: /* leave setting as is */
@ -80,6 +81,7 @@ png_set_background(png_structp png_ptr,
int need_expand, double background_gamma)
{
png_debug(1, "in png_set_background\n");
if(png_ptr == NULL) return;
if (background_gamma_code == PNG_BACKGROUND_GAMMA_UNKNOWN)
{
png_warning(png_ptr, "Application must supply a known background gamma");
@ -92,17 +94,6 @@ png_set_background(png_structp png_ptr,
png_ptr->background_gamma = (float)background_gamma;
png_ptr->background_gamma_type = (png_byte)(background_gamma_code);
png_ptr->transformations |= (need_expand ? PNG_BACKGROUND_EXPAND : 0);
/* Note: if need_expand is set and color_type is either RGB or RGB_ALPHA
* (in which case need_expand is superfluous anyway), the background color
* might actually be gray yet not be flagged as such. This is not a problem
* for the current code, which uses PNG_BACKGROUND_IS_GRAY only to
* decide when to do the png_do_gray_to_rgb() transformation.
*/
if ((need_expand && !(png_ptr->color_type & PNG_COLOR_MASK_COLOR)) ||
(!need_expand && background_color->red == background_color->green &&
background_color->red == background_color->blue))
png_ptr->mode |= PNG_BACKGROUND_IS_GRAY;
}
#endif
@ -112,6 +103,7 @@ void PNGAPI
png_set_strip_16(png_structp png_ptr)
{
png_debug(1, "in png_set_strip_16\n");
if(png_ptr == NULL) return;
png_ptr->transformations |= PNG_16_TO_8;
}
#endif
@ -121,6 +113,7 @@ void PNGAPI
png_set_strip_alpha(png_structp png_ptr)
{
png_debug(1, "in png_set_strip_alpha\n");
if(png_ptr == NULL) return;
png_ptr->flags |= PNG_FLAG_STRIP_ALPHA;
}
#endif
@ -150,6 +143,7 @@ png_set_dither(png_structp png_ptr, png_colorp palette,
int full_dither)
{
png_debug(1, "in png_set_dither\n");
if(png_ptr == NULL) return;
png_ptr->transformations |= PNG_DITHER;
if (!full_dither)
@ -533,6 +527,7 @@ void PNGAPI
png_set_gamma(png_structp png_ptr, double scrn_gamma, double file_gamma)
{
png_debug(1, "in png_set_gamma\n");
if(png_ptr == NULL) return;
if ((fabs(scrn_gamma * file_gamma - 1.0) > PNG_GAMMA_THRESHOLD) ||
(png_ptr->color_type & PNG_COLOR_MASK_ALPHA) ||
(png_ptr->color_type == PNG_COLOR_TYPE_PALETTE))
@ -551,6 +546,7 @@ void PNGAPI
png_set_expand(png_structp png_ptr)
{
png_debug(1, "in png_set_expand\n");
if(png_ptr == NULL) return;
png_ptr->transformations |= (PNG_EXPAND | PNG_EXPAND_tRNS);
}
@ -576,6 +572,7 @@ void PNGAPI
png_set_palette_to_rgb(png_structp png_ptr)
{
png_debug(1, "in png_set_palette_to_rgb\n");
if(png_ptr == NULL) return;
png_ptr->transformations |= (PNG_EXPAND | PNG_EXPAND_tRNS);
}
@ -585,7 +582,8 @@ void PNGAPI
png_set_expand_gray_1_2_4_to_8(png_structp png_ptr)
{
png_debug(1, "in png_set_expand_gray_1_2_4_to_8\n");
png_ptr->transformations |= PNG_EXPAND_tRNS;
if(png_ptr == NULL) return;
png_ptr->transformations |= PNG_EXPAND;
}
#endif
@ -596,6 +594,7 @@ void PNGAPI
png_set_gray_1_2_4_to_8(png_structp png_ptr)
{
png_debug(1, "in png_set_gray_1_2_4_to_8\n");
if(png_ptr == NULL) return;
png_ptr->transformations |= (PNG_EXPAND | PNG_EXPAND_tRNS);
}
#endif
@ -631,6 +630,7 @@ png_set_rgb_to_gray(png_structp png_ptr, int error_action, double red,
{
int red_fixed = (int)((float)red*100000.0 + 0.5);
int green_fixed = (int)((float)green*100000.0 + 0.5);
if(png_ptr == NULL) return;
png_set_rgb_to_gray_fixed(png_ptr, error_action, red_fixed, green_fixed);
}
#endif
@ -640,6 +640,7 @@ png_set_rgb_to_gray_fixed(png_structp png_ptr, int error_action,
png_fixed_point red, png_fixed_point green)
{
png_debug(1, "in png_set_rgb_to_gray\n");
if(png_ptr == NULL) return;
switch(error_action)
{
case 1: png_ptr->transformations |= PNG_RGB_TO_GRAY;
@ -690,6 +691,7 @@ png_set_read_user_transform_fn(png_structp png_ptr, png_user_transform_ptr
read_user_transform_fn)
{
png_debug(1, "in png_set_read_user_transform_fn\n");
if(png_ptr == NULL) return;
#if defined(PNG_READ_USER_TRANSFORM_SUPPORTED)
png_ptr->transformations |= PNG_USER_TRANSFORM;
png_ptr->read_user_transform_fn = read_user_transform_fn;
@ -719,6 +721,32 @@ png_init_read_transformations(png_structp png_ptr)
#endif
#if defined(PNG_READ_EXPAND_SUPPORTED) && defined(PNG_READ_BACKGROUND_SUPPORTED)
#if defined(PNG_READ_GRAY_TO_RGB_SUPPORTED)
/* Detect gray background and attempt to enable optimization
* for gray --> RGB case */
/* Note: if PNG_BACKGROUND_EXPAND is set and color_type is either RGB or
* RGB_ALPHA (in which case need_expand is superfluous anyway), the
* background color might actually be gray yet not be flagged as such.
* This is not a problem for the current code, which uses
* PNG_BACKGROUND_IS_GRAY only to decide when to do the
* png_do_gray_to_rgb() transformation.
*/
if ((png_ptr->transformations & PNG_BACKGROUND_EXPAND) &&
!(color_type & PNG_COLOR_MASK_COLOR))
{
png_ptr->mode |= PNG_BACKGROUND_IS_GRAY;
} else if ((png_ptr->transformations & PNG_BACKGROUND) &&
!(png_ptr->transformations & PNG_BACKGROUND_EXPAND) &&
(png_ptr->transformations & PNG_GRAY_TO_RGB) &&
png_ptr->background.red == png_ptr->background.green &&
png_ptr->background.red == png_ptr->background.blue)
{
png_ptr->mode |= PNG_BACKGROUND_IS_GRAY;
png_ptr->background.gray = png_ptr->background.red;
}
#endif
if ((png_ptr->transformations & PNG_BACKGROUND_EXPAND) &&
(png_ptr->transformations & PNG_EXPAND))
{
@ -1265,9 +1293,9 @@ png_do_read_transformations(png_structp png_ptr)
if(rgb_error)
{
png_ptr->rgb_to_gray_status=1;
if(png_ptr->transformations == PNG_RGB_TO_GRAY_WARN)
if(png_ptr->transformations & PNG_RGB_TO_GRAY_WARN)
png_warning(png_ptr, "png_do_rgb_to_gray found nongray pixel");
if(png_ptr->transformations == PNG_RGB_TO_GRAY_ERR)
if(png_ptr->transformations & PNG_RGB_TO_GRAY_ERR)
png_error(png_ptr, "png_do_rgb_to_gray found nongray pixel");
}
}
@ -3937,7 +3965,7 @@ png_do_dither(png_row_infop row_info, png_bytep row,
#ifdef PNG_FLOATING_POINT_SUPPORTED
#if defined(PNG_READ_GAMMA_SUPPORTED)
static int png_gamma_shift[] =
const static int png_gamma_shift[] =
{0x10, 0x21, 0x42, 0x84, 0x110, 0x248, 0x550, 0xff0, 0x00};
/* We build the 8- or 16-bit gamma tables here. Note that for 16-bit

71
src/libs/png/pngrutil.c
View File

@ -1,9 +1,9 @@
/* pngrutil.c - utilities to read a PNG file
*
* Last changed in libpng 1.2.11 June 4, 2006
* Last changed in libpng 1.2.17 May 15, 2007
* For conditions of distribution and use, see copyright notice in png.h
* Copyright (c) 1998-2006 Glenn Randers-Pehrson
* Copyright (c) 1998-2007 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.)
*
@ -16,27 +16,29 @@
#if defined(PNG_READ_SUPPORTED)
#if defined(_WIN32_WCE)
#ifdef PNG_FLOATING_POINT_SUPPORTED
# if defined(_WIN32_WCE)
/* strtod() function is not supported on WindowsCE */
# ifdef PNG_FLOATING_POINT_SUPPORTED
__inline double strtod(const char *nptr, char **endptr)
__inline double png_strtod(png_structp png_ptr, const char *nptr, char **endptr)
{
double result = 0;
int len;
wchar_t *str, *end;
len = MultiByteToWideChar(CP_ACP, 0, nptr, -1, NULL, 0);
str = (wchar_t *)malloc(len * sizeof(wchar_t));
str = (wchar_t *)png_malloc(png_ptr, len * sizeof(wchar_t));
if ( NULL != str )
{
MultiByteToWideChar(CP_ACP, 0, nptr, -1, str, len);
result = wcstod(str, &end);
len = WideCharToMultiByte(CP_ACP, 0, end, -1, NULL, 0, NULL, NULL);
*endptr = (char *)nptr + (png_strlen(nptr) - len + 1);
free(str);
png_free(str);
}
return result;
}
# else
# define png_strtod(p,a,b) strtod(a,b)
# endif
#endif
@ -90,6 +92,7 @@ png_get_uint_16(png_bytep buf)
void /* PRIVATE */
png_crc_read(png_structp png_ptr, png_bytep buf, png_size_t length)
{
if(png_ptr == NULL) return;
png_read_data(png_ptr, buf, length);
png_calculate_crc(png_ptr, buf, length);
}
@ -178,7 +181,7 @@ png_decompress_chunk(png_structp png_ptr, int comp_type,
png_charp chunkdata, png_size_t chunklength,
png_size_t prefix_size, png_size_t *newlength)
{
static char msg[] = "Error decoding compressed text";
const static char msg[] = "Error decoding compressed text";
png_charp text;
png_size_t text_size;
@ -1311,7 +1314,10 @@ png_handle_tRNS(png_structp png_ptr, png_infop info_ptr, png_uint_32 length)
}
if (png_crc_finish(png_ptr, 0))
{
png_ptr->num_trans = 0;
return;
}
png_set_tRNS(png_ptr, info_ptr, readbuf, png_ptr->num_trans,
&(png_ptr->trans_values));
@ -1730,7 +1736,7 @@ png_handle_sCAL(png_structp png_ptr, png_infop info_ptr, png_uint_32 length)
ep = buffer + 1; /* skip unit byte */
#ifdef PNG_FLOATING_POINT_SUPPORTED
width = strtod(ep, &vp);
width = png_strtod(png_ptr, ep, &vp);
if (*vp)
{
png_warning(png_ptr, "malformed width string in sCAL chunk");
@ -1753,7 +1759,7 @@ png_handle_sCAL(png_structp png_ptr, png_infop info_ptr, png_uint_32 length)
ep++;
#ifdef PNG_FLOATING_POINT_SUPPORTED
height = strtod(ep, &vp);
height = png_strtod(png_ptr, ep, &vp);
if (*vp)
{
png_warning(png_ptr, "malformed height string in sCAL chunk");
@ -2170,8 +2176,6 @@ png_handle_unknown(png_structp png_ptr, png_infop info_ptr, png_uint_32 length)
if ((png_ptr->flags & PNG_FLAG_KEEP_UNKNOWN_CHUNKS) ||
(png_ptr->read_user_chunk_fn != NULL))
{
png_unknown_chunk chunk;
#ifdef PNG_MAX_MALLOC_64K
if (length > (png_uint_32)65535L)
{
@ -2180,30 +2184,35 @@ png_handle_unknown(png_structp png_ptr, png_infop info_ptr, png_uint_32 length)
length = (png_uint_32)65535L;
}
#endif
png_strcpy((png_charp)chunk.name, (png_charp)png_ptr->chunk_name);
chunk.data = (png_bytep)png_malloc(png_ptr, length);
chunk.size = (png_size_t)length;
png_crc_read(png_ptr, (png_bytep)chunk.data, length);
png_strcpy((png_charp)png_ptr->unknown_chunk.name,
(png_charp)png_ptr->chunk_name);
png_ptr->unknown_chunk.data = (png_bytep)png_malloc(png_ptr, length);
png_ptr->unknown_chunk.size = (png_size_t)length;
png_crc_read(png_ptr, (png_bytep)png_ptr->unknown_chunk.data, length);
#if defined(PNG_READ_USER_CHUNKS_SUPPORTED)
if(png_ptr->read_user_chunk_fn != NULL)
{
/* callback to user unknown chunk handler */
if ((*(png_ptr->read_user_chunk_fn)) (png_ptr, &chunk) <= 0)
int ret;
ret = (*(png_ptr->read_user_chunk_fn))
(png_ptr, &png_ptr->unknown_chunk);
if (ret < 0)
png_chunk_error(png_ptr, "error in user chunk");
if (ret == 0)
{
if (!(png_ptr->chunk_name[0] & 0x20))
if(png_handle_as_unknown(png_ptr, png_ptr->chunk_name) !=
PNG_HANDLE_CHUNK_ALWAYS)
{
png_free(png_ptr, chunk.data);
png_chunk_error(png_ptr, "unknown critical chunk");
}
png_set_unknown_chunks(png_ptr, info_ptr, &chunk, 1);
png_set_unknown_chunks(png_ptr, info_ptr,
&png_ptr->unknown_chunk, 1);
}
}
else
#else
png_set_unknown_chunks(png_ptr, info_ptr, &png_ptr->unknown_chunk, 1);
#endif
png_set_unknown_chunks(png_ptr, info_ptr, &chunk, 1);
png_free(png_ptr, chunk.data);
png_free(png_ptr, png_ptr->unknown_chunk.data);
png_ptr->unknown_chunk.data = NULL;
}
else
#endif
@ -2246,7 +2255,7 @@ png_check_chunk_name(png_structp png_ptr, png_bytep chunk_name)
a zero indicates the pixel is to be skipped. This is in addition
to any alpha or transparency value associated with the pixel. If
you want all pixels to be combined, pass 0xff (255) in mask. */
#ifndef PNG_HAVE_ASSEMBLER_COMBINE_ROW
#ifndef PNG_HAVE_MMX_COMBINE_ROW
void /* PRIVATE */
png_combine_row(png_structp png_ptr, png_bytep row, int mask)
{
@ -2447,10 +2456,10 @@ png_combine_row(png_structp png_ptr, png_bytep row, int mask)
}
}
}
#endif /* !PNG_HAVE_ASSEMBLER_COMBINE_ROW */
#endif /* !PNG_HAVE_MMX_COMBINE_ROW */
#ifdef PNG_READ_INTERLACING_SUPPORTED
#ifndef PNG_HAVE_ASSEMBLER_READ_INTERLACE /* else in pngvcrd.c, pnggccrd.c */
#ifndef PNG_HAVE_MMX_READ_INTERLACE /* else in pngvcrd.c, pnggccrd.c */
/* OLD pre-1.0.9 interface:
void png_do_read_interlace(png_row_infop row_info, png_bytep row, int pass,
png_uint_32 transformations)
@ -2676,10 +2685,10 @@ png_do_read_interlace(png_structp png_ptr)
return;
#endif
}
#endif /* !PNG_HAVE_ASSEMBLER_READ_INTERLACE */
#endif /* !PNG_HAVE_MMX_READ_INTERLACE */
#endif /* PNG_READ_INTERLACING_SUPPORTED */
#ifndef PNG_HAVE_ASSEMBLER_READ_FILTER_ROW
#ifndef PNG_HAVE_MMX_READ_FILTER_ROW
void /* PRIVATE */
png_read_filter_row(png_structp png_ptr, png_row_infop row_info, png_bytep row,
png_bytep prev_row, int filter)
@ -2802,7 +2811,7 @@ png_read_filter_row(png_structp png_ptr, png_row_infop row_info, png_bytep row,
break;
}
}
#endif /* !PNG_HAVE_ASSEMBLER_READ_FILTER_ROW */
#endif /* !PNG_HAVE_MMX_READ_FILTER_ROW */
void /* PRIVATE */
png_read_finish_row(png_structp png_ptr)
@ -3104,7 +3113,7 @@ defined(PNG_USER_TRANSFORM_PTR_SUPPORTED)
if ((png_uint_32)png_ptr->rowbytes + 1 > (png_uint_32)65536L)
png_error(png_ptr, "This image requires a row greater than 64KB");
#endif
if ((png_uint_32)png_ptr->rowbytes > PNG_SIZE_MAX - 1)
if ((png_uint_32)png_ptr->rowbytes > (png_uint_32)(PNG_SIZE_MAX - 1))
png_error(png_ptr, "Row has too many bytes to allocate in memory.");
png_ptr->prev_row = (png_bytep)png_malloc(png_ptr, (png_uint_32)(
png_ptr->rowbytes + 1));

28
src/libs/png/pngset.c
View File

@ -1,9 +1,9 @@
/* pngset.c - storage of image information into info struct
*
* Last changed in libpng 1.2.9 April 14, 2006
* Last changed in libpng 1.2.17 May 15, 2007
* For conditions of distribution and use, see copyright notice in png.h
* Copyright (c) 1998-2006 Glenn Randers-Pehrson
* Copyright (c) 1998-2007 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.)
*
@ -877,7 +877,9 @@ png_set_text_2(png_structp png_ptr, png_infop info_ptr, png_textp text_ptr,
textp->itxt_length = 0;
#endif
}
#if 0 /* appears to be redundant; */
info_ptr->text[info_ptr->num_text]= *textp;
#endif
info_ptr->num_text++;
png_debug1(3, "transferred text chunk %d\n", info_ptr->num_text);
}
@ -976,10 +978,10 @@ png_set_sPLT(png_structp png_ptr,
/* TODO: use png_malloc_warn */
png_strcpy(to->name, from->name);
to->entries = (png_sPLT_entryp)png_malloc(png_ptr,
from->nentries * png_sizeof(png_sPLT_t));
from->nentries * png_sizeof(png_sPLT_entry));
/* TODO: use png_malloc_warn */
png_memcpy(to->entries, from->entries,
from->nentries * png_sizeof(png_sPLT_t));
from->nentries * png_sizeof(png_sPLT_entry));
to->nentries = from->nentries;
to->depth = from->depth;
}
@ -1191,20 +1193,22 @@ png_set_invalid(png_structp png_ptr, png_infop info_ptr, int mask)
void PNGAPI
png_set_asm_flags (png_structp png_ptr, png_uint_32 asm_flags)
{
#ifdef PNG_MMX_CODE_SUPPORTED
png_uint_32 settable_asm_flags;
png_uint_32 settable_mmx_flags;
#endif
if (png_ptr == NULL)
return;
#ifdef PNG_MMX_CODE_SUPPORTED
settable_mmx_flags =
#ifdef PNG_HAVE_ASSEMBLER_COMBINE_ROW
#ifdef PNG_HAVE_MMX_COMBINE_ROW
PNG_ASM_FLAG_MMX_READ_COMBINE_ROW |
#endif
#ifdef PNG_HAVE_ASSEMBLER_READ_INTERLACE
#ifdef PNG_HAVE_MMX_READ_INTERLACE
PNG_ASM_FLAG_MMX_READ_INTERLACE |
#endif
#ifdef PNG_HAVE_ASSEMBLER_READ_FILTER_ROW
#ifdef PNG_HAVE_MMX_READ_FILTER_ROW
PNG_ASM_FLAG_MMX_READ_FILTER_SUB |
PNG_ASM_FLAG_MMX_READ_FILTER_UP |
PNG_ASM_FLAG_MMX_READ_FILTER_AVG |
@ -1224,15 +1228,14 @@ png_set_asm_flags (png_structp png_ptr, png_uint_32 asm_flags)
}
/* we're replacing the settable bits with those passed in by the user,
* so first zero them out of the master copy, then logical-OR in the
* so first zero them out of the master copy, then bitwise-OR in the
* allowed subset that was requested */
png_ptr->asm_flags &= ~settable_asm_flags; /* zero them */
png_ptr->asm_flags |= (asm_flags & settable_asm_flags); /* set them */
#endif /* ?PNG_MMX_CODE_SUPPORTED */
}
#endif /* ?PNG_ASSEMBLER_CODE_SUPPORTED */
#ifdef PNG_ASSEMBLER_CODE_SUPPORTED
/* this function was added to libpng 1.2.0 */
void PNGAPI
png_set_mmx_thresholds (png_structp png_ptr,
@ -1241,8 +1244,10 @@ png_set_mmx_thresholds (png_structp png_ptr,
{
if (png_ptr == NULL)
return;
#ifdef PNG_MMX_CODE_SUPPORTED
png_ptr->mmx_bitdepth_threshold = mmx_bitdepth_threshold;
png_ptr->mmx_rowbytes_threshold = mmx_rowbytes_threshold;
#endif /* ?PNG_MMX_CODE_SUPPORTED */
}
#endif /* ?PNG_ASSEMBLER_CODE_SUPPORTED */
@ -1256,6 +1261,7 @@ png_set_user_limits (png_structp png_ptr, png_uint_32 user_width_max,
* rejected by png_set_IHDR(). To accept any PNG datastream
* regardless of dimensions, set both limits to 0x7ffffffL.
*/
if(png_ptr == NULL) return;
png_ptr->user_width_max = user_width_max;
png_ptr->user_height_max = user_height_max;
}

24
src/libs/png/pngtrans.c
View File

@ -1,7 +1,7 @@
/* pngtrans.c - transforms the data in a row (used by both readers and writers)
*
* Last changed in libpng 1.2.9 April 14, 2006
* Last changed in libpng 1.2.13 November 13, 2006
* For conditions of distribution and use, see copyright notice in png.h
* Copyright (c) 1998-2006 Glenn Randers-Pehrson
* (Version 0.96 Copyright (c) 1996, 1997 Andreas Dilger)
@ -18,6 +18,7 @@ void PNGAPI
png_set_bgr(png_structp png_ptr)
{
png_debug(1, "in png_set_bgr\n");
if(png_ptr == NULL) return;
png_ptr->transformations |= PNG_BGR;
}
#endif
@ -28,6 +29,7 @@ void PNGAPI
png_set_swap(png_structp png_ptr)
{
png_debug(1, "in png_set_swap\n");
if(png_ptr == NULL) return;
if (png_ptr->bit_depth == 16)
png_ptr->transformations |= PNG_SWAP_BYTES;
}
@ -39,6 +41,7 @@ void PNGAPI
png_set_packing(png_structp png_ptr)
{
png_debug(1, "in png_set_packing\n");
if(png_ptr == NULL) return;
if (png_ptr->bit_depth < 8)
{
png_ptr->transformations |= PNG_PACK;
@ -53,6 +56,7 @@ void PNGAPI
png_set_packswap(png_structp png_ptr)
{
png_debug(1, "in png_set_packswap\n");
if(png_ptr == NULL) return;
if (png_ptr->bit_depth < 8)
png_ptr->transformations |= PNG_PACKSWAP;
}
@ -63,6 +67,7 @@ void PNGAPI
png_set_shift(png_structp png_ptr, png_color_8p true_bits)
{
png_debug(1, "in png_set_shift\n");
if(png_ptr == NULL) return;
png_ptr->transformations |= PNG_SHIFT;
png_ptr->shift = *true_bits;
}
@ -74,7 +79,7 @@ int PNGAPI
png_set_interlace_handling(png_structp png_ptr)
{
png_debug(1, "in png_set_interlace handling\n");
if (png_ptr->interlaced)
if (png_ptr && png_ptr->interlaced)
{
png_ptr->transformations |= PNG_INTERLACE;
return (7);
@ -94,6 +99,7 @@ void PNGAPI
png_set_filler(png_structp png_ptr, png_uint_32 filler, int filler_loc)
{
png_debug(1, "in png_set_filler\n");
if(png_ptr == NULL) return;
png_ptr->transformations |= PNG_FILLER;
png_ptr->filler = (png_byte)filler;
if (filler_loc == PNG_FILLER_AFTER)
@ -126,6 +132,7 @@ void PNGAPI
png_set_add_alpha(png_structp png_ptr, png_uint_32 filler, int filler_loc)
{
png_debug(1, "in png_set_add_alpha\n");
if(png_ptr == NULL) return;
png_set_filler(png_ptr, filler, filler_loc);
png_ptr->transformations |= PNG_ADD_ALPHA;
}
@ -139,6 +146,7 @@ void PNGAPI
png_set_swap_alpha(png_structp png_ptr)
{
png_debug(1, "in png_set_swap_alpha\n");
if(png_ptr == NULL) return;
png_ptr->transformations |= PNG_SWAP_ALPHA;
}
#endif
@ -149,6 +157,7 @@ void PNGAPI
png_set_invert_alpha(png_structp png_ptr)
{
png_debug(1, "in png_set_invert_alpha\n");
if(png_ptr == NULL) return;
png_ptr->transformations |= PNG_INVERT_ALPHA;
}
#endif
@ -158,6 +167,7 @@ void PNGAPI
png_set_invert_mono(png_structp png_ptr)
{
png_debug(1, "in png_set_invert_mono\n");
if(png_ptr == NULL) return;
png_ptr->transformations |= PNG_INVERT_MONO;
}
@ -242,7 +252,7 @@ png_do_swap(png_row_infop row_info, png_bytep row)
#endif
#if defined(PNG_READ_PACKSWAP_SUPPORTED)||defined(PNG_WRITE_PACKSWAP_SUPPORTED)
static PNG_CONST png_byte onebppswaptable[256] = {
const static PNG_CONST png_byte onebppswaptable[256] = {
0x00, 0x80, 0x40, 0xC0, 0x20, 0xA0, 0x60, 0xE0,
0x10, 0x90, 0x50, 0xD0, 0x30, 0xB0, 0x70, 0xF0,
0x08, 0x88, 0x48, 0xC8, 0x28, 0xA8, 0x68, 0xE8,
@ -277,7 +287,7 @@ static PNG_CONST png_byte onebppswaptable[256] = {
0x1F, 0x9F, 0x5F, 0xDF, 0x3F, 0xBF, 0x7F, 0xFF
};
static PNG_CONST png_byte twobppswaptable[256] = {
const static PNG_CONST png_byte twobppswaptable[256] = {
0x00, 0x40, 0x80, 0xC0, 0x10, 0x50, 0x90, 0xD0,
0x20, 0x60, 0xA0, 0xE0, 0x30, 0x70, 0xB0, 0xF0,
0x04, 0x44, 0x84, 0xC4, 0x14, 0x54, 0x94, 0xD4,
@ -312,7 +322,7 @@ static PNG_CONST png_byte twobppswaptable[256] = {
0x2F, 0x6F, 0xAF, 0xEF, 0x3F, 0x7F, 0xBF, 0xFF
};
static PNG_CONST png_byte fourbppswaptable[256] = {
const static PNG_CONST png_byte fourbppswaptable[256] = {
0x00, 0x10, 0x20, 0x30, 0x40, 0x50, 0x60, 0x70,
0x80, 0x90, 0xA0, 0xB0, 0xC0, 0xD0, 0xE0, 0xF0,
0x01, 0x11, 0x21, 0x31, 0x41, 0x51, 0x61, 0x71,
@ -621,6 +631,7 @@ png_set_user_transform_info(png_structp png_ptr, png_voidp
user_transform_ptr, int user_transform_depth, int user_transform_channels)
{
png_debug(1, "in png_set_user_transform_info\n");
if(png_ptr == NULL) return;
#if defined(PNG_USER_TRANSFORM_PTR_SUPPORTED)
png_ptr->user_transform_ptr = user_transform_ptr;
png_ptr->user_transform_depth = (png_byte)user_transform_depth;
@ -642,10 +653,9 @@ png_voidp PNGAPI
png_get_user_transform_ptr(png_structp png_ptr)
{
#if defined(PNG_USER_TRANSFORM_PTR_SUPPORTED)
if (png_ptr == NULL) return (NULL);
return ((png_voidp)png_ptr->user_transform_ptr);
#else
if(png_ptr)
return (NULL);
return (NULL);
#endif
}

8
src/libs/png/pngwio.c
View File

@ -1,7 +1,7 @@
/* pngwio.c - functions for data output
*
* Last changed in libpng 1.2.3 - May 21, 2002
* Last changed in libpng 1.2.13 November 13, 2006
* For conditions of distribution and use, see copyright notice in png.h
* Copyright (c) 1998-2002 Glenn Randers-Pehrson
* (Version 0.96 Copyright (c) 1996, 1997 Andreas Dilger)
@ -45,6 +45,7 @@ png_default_write_data(png_structp png_ptr, png_bytep data, png_size_t length)
{
png_uint_32 check;
if(png_ptr == NULL) return;
#if defined(_WIN32_WCE)
if ( !WriteFile((HANDLE)(png_ptr->io_ptr), data, length, &check, NULL) )
check = 0;
@ -70,6 +71,7 @@ png_default_write_data(png_structp png_ptr, png_bytep data, png_size_t length)
png_byte *near_data; /* Needs to be "png_byte *" instead of "png_bytep" */
png_FILE_p io_ptr;
if(png_ptr == NULL) return;
/* Check if data really is near. If so, use usual code. */
near_data = (png_byte *)CVT_PTR_NOCHECK(data);
io_ptr = (png_FILE_p)CVT_PTR(png_ptr->io_ptr);
@ -131,6 +133,9 @@ png_default_flush(png_structp png_ptr)
{
#if !defined(_WIN32_WCE)
png_FILE_p io_ptr;
#endif
if(png_ptr == NULL) return;
#if !defined(_WIN32_WCE)
io_ptr = (png_FILE_p)CVT_PTR((png_ptr->io_ptr));
if (io_ptr != NULL)
fflush(io_ptr);
@ -165,6 +170,7 @@ void PNGAPI
png_set_write_fn(png_structp png_ptr, png_voidp io_ptr,
png_rw_ptr write_data_fn, png_flush_ptr output_flush_fn)
{
if(png_ptr == NULL) return;
png_ptr->io_ptr = io_ptr;
#if !defined(PNG_NO_STDIO)

9
src/libs/png/pngwrite.c
View File

@ -1,9 +1,9 @@
/* pngwrite.c - general routines to write a PNG file
*
* Last changed in libpng 1.2.9 April 14, 2006
* Last changed in libpng 1.2.15 January 5, 2007
* For conditions of distribution and use, see copyright notice in png.h
* Copyright (c) 1998-2006 Glenn Randers-Pehrson
* Copyright (c) 1998-2007 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.)
*/
@ -461,8 +461,10 @@ png_create_write_struct_2(png_const_charp user_png_ver, png_voidp error_ptr,
#if !defined(PNG_1_0_X)
#ifdef PNG_ASSEMBLER_CODE_SUPPORTED
#ifdef PNG_MMX_CODE_SUPPORTED
png_init_mmx_flags(png_ptr); /* 1.2.0 addition */
#endif
#endif
#endif /* PNG_1_0_X */
/* added at libpng-1.2.6 */
@ -576,6 +578,7 @@ png_write_init_2(png_structp png_ptr, png_const_charp user_png_ver,
png_size_t png_struct_size, png_size_t png_info_size)
{
/* We only come here via pre-1.0.12-compiled applications */
if(png_ptr == NULL) return;
#if !defined(PNG_NO_STDIO) && !defined(_WIN32_WCE)
if(png_sizeof(png_struct) > png_struct_size ||
png_sizeof(png_info) > png_info_size)
@ -670,8 +673,10 @@ png_write_init_3(png_structpp ptr_ptr, png_const_charp user_png_ver,
#if !defined(PNG_1_0_X)
#ifdef PNG_ASSEMBLER_CODE_SUPPORTED
#ifdef PNG_MMX_CODE_SUPPORTED
png_init_mmx_flags(png_ptr); /* 1.2.0 addition */
#endif
#endif
#endif /* PNG_1_0_X */
#ifdef PNG_SETJMP_SUPPORTED

36
src/libs/png/pngwutil.c
View File

@ -1,9 +1,9 @@
/* pngwutil.c - utilities to write a PNG file
*
* Last changed in libpng 1.2.11 June 4, 2006
* Last changed in libpng 1.2.15 January 5, 2007
* For conditions of distribution and use, see copyright notice in png.h
* Copyright (c) 1998-2006 Glenn Randers-Pehrson
* Copyright (c) 1998-2007 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.)
*/
@ -62,6 +62,7 @@ void PNGAPI
png_write_chunk(png_structp png_ptr, png_bytep chunk_name,
png_bytep data, png_size_t length)
{
if(png_ptr == NULL) return;
png_write_chunk_start(png_ptr, chunk_name, (png_uint_32)length);
png_write_chunk_data(png_ptr, data, length);
png_write_chunk_end(png_ptr);
@ -77,6 +78,7 @@ png_write_chunk_start(png_structp png_ptr, png_bytep chunk_name,
{
png_byte buf[4];
png_debug2(0, "Writing %s chunk (%lu bytes)\n", chunk_name, length);
if(png_ptr == NULL) return;
/* write the length */
png_save_uint_32(buf, length);
@ -98,6 +100,7 @@ void PNGAPI
png_write_chunk_data(png_structp png_ptr, png_bytep data, png_size_t length)
{
/* write the data, and run the CRC over it */
if(png_ptr == NULL) return;
if (data != NULL && length > 0)
{
png_calculate_crc(png_ptr, data, length);
@ -111,6 +114,8 @@ png_write_chunk_end(png_structp png_ptr)
{
png_byte buf[4];
if(png_ptr == NULL) return;
/* write the crc */
png_save_uint_32(buf, png_ptr->crc);
@ -518,9 +523,10 @@ png_write_IHDR(png_structp png_ptr, png_uint_32 width, png_uint_32 height,
png_ptr->zlib_window_bits = 15;
if (!(png_ptr->flags & PNG_FLAG_ZLIB_CUSTOM_METHOD))
png_ptr->zlib_method = 8;
deflateInit2(&png_ptr->zstream, png_ptr->zlib_level,
if (deflateInit2(&png_ptr->zstream, png_ptr->zlib_level,
png_ptr->zlib_method, png_ptr->zlib_window_bits,
png_ptr->zlib_mem_level, png_ptr->zlib_strategy);
png_ptr->zlib_mem_level, png_ptr->zlib_strategy) != Z_OK)
png_error(png_ptr, "zlib failed to initialize compressor");
png_ptr->zstream.next_out = png_ptr->zbuf;
png_ptr->zstream.avail_out = (uInt)png_ptr->zbuf_size;
/* libpng is not interested in zstream.data_type */
@ -728,6 +734,7 @@ png_write_iCCP(png_structp png_ptr, png_charp name, int compression_type,
png_size_t name_len;
png_charp new_name;
compression_state comp;
int embedded_profile_len = 0;
png_debug(1, "in png_write_iCCP\n");
@ -750,6 +757,27 @@ png_write_iCCP(png_structp png_ptr, png_charp name, int compression_type,
if (profile == NULL)
profile_len = 0;
if (profile_len > 3)
embedded_profile_len =
((*( (png_bytep)profile ))<<24) |
((*( (png_bytep)profile+1))<<16) |
((*( (png_bytep)profile+2))<< 8) |
((*( (png_bytep)profile+3)) );
if (profile_len < embedded_profile_len)
{
png_warning(png_ptr,
"Embedded profile length too large in iCCP chunk");
return;
}
if (profile_len > embedded_profile_len)
{
png_warning(png_ptr,
"Truncating profile to actual length in iCCP chunk");
profile_len = embedded_profile_len;
}
if (profile_len)
profile_len = png_text_compress(png_ptr, profile, (png_size_t)profile_len,
PNG_COMPRESSION_TYPE_BASE, &comp);