diff --git a/headers/libs/png/png.h b/headers/libs/png/png.h index e87a3011cd..fd7ea88f0f 100644 --- a/headers/libs/png/png.h +++ b/headers/libs/png/png.h @@ -1,14 +1,15 @@ + /* png.h - header file for PNG reference library * - * libpng version 1.2.8 - December 3, 2004 - * Copyright (c) 1998-2004 Glenn Randers-Pehrson + * libpng version 1.2.12 - June 27, 2006 + * Copyright (c) 1998-2006 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 1.2.8 - December 3, 2004: Glenn + * libpng versions 0.97, January 1998, through 1.2.12 - June 27, 2006: Glenn * See also "Contributing Authors", below. * * Note about libpng version numbers: @@ -102,15 +103,29 @@ * 1.0.16 10 10016 10.so.0.1.0.16 * 1.2.6 13 10206 12.so.0.1.2.6 * 1.2.7beta1-2 13 10207 12.so.0.1.2.7beta1-2 - * 1.0.17rc1 10 10017 12.so.0.1.0.17rc1 + * 1.0.17rc1 10 10017 10.so.0.1.0.17rc1 * 1.2.7rc1 13 10207 12.so.0.1.2.7rc1 - * 1.0.17 10 10017 12.so.0.1.0.17 + * 1.0.17 10 10017 10.so.0.1.0.17 * 1.2.7 13 10207 12.so.0.1.2.7 * 1.2.8beta1-5 13 10208 12.so.0.1.2.8beta1-5 - * 1.0.18rc1-5 10 10018 12.so.0.1.0.18rc1-5 + * 1.0.18rc1-5 10 10018 10.so.0.1.0.18rc1-5 * 1.2.8rc1-5 13 10208 12.so.0.1.2.8rc1-5 - * 1.0.18 10 10018 12.so.0.1.0.18 + * 1.0.18 10 10018 10.so.0.1.0.18 * 1.2.8 13 10208 12.so.0.1.2.8 + * 1.2.9beta1-3 13 10209 12.so.0.1.2.9beta1-3 + * 1.2.9beta4-11 13 10209 12.so.0.9[.0] + * 1.2.9rc1 13 10209 12.so.0.9[.0] + * 1.2.9 13 10209 12.so.0.9[.0] + * 1.2.10beta1-8 13 10210 12.so.0.10[.0] + * 1.2.10rc1-3 13 10210 12.so.0.10[.0] + * 1.2.10 13 10210 12.so.0.10[.0] + * 1.2.11beta1-4 13 10211 12.so.0.11[.0] + * 1.0.19rc1-5 10 10019 10.so.0.19[.0] + * 1.2.11rc1-5 13 10211 12.so.0.11[.0] + * 1.0.19 10 10019 10.so.0.19[.0] + * 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] * * Henceforth the source version will match the shared-library major * and minor numbers; the shared-library major version number will be @@ -140,8 +155,8 @@ * If you modify libpng you may insert additional notices immediately following * this sentence. * - * libpng versions 1.2.6, August 15, 2004, through 1.2.8, December 3, 2004, are - * Copyright (c) 2004 Glenn Randers-Pehrson, and are + * 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 * distributed according to the same disclaimer and license as libpng-1.2.5 * with the following individual added to the list of Contributing Authors: * @@ -252,13 +267,13 @@ * Y2K compliance in libpng: * ========================= * - * December 3, 2004 + * June 27, 2006 * * 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 1.2.8 are Y2K compliant. It is my belief that earlier + * upward through 1.2.12 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 @@ -314,9 +329,9 @@ */ /* Version information for png.h - this should match the version in png.c */ -#define PNG_LIBPNG_VER_STRING "1.2.8" +#define PNG_LIBPNG_VER_STRING "1.2.12" #define PNG_HEADER_VERSION_STRING \ - " libpng version 1.2.8 - December 3, 2004 (header)\n" + " libpng version 1.2.12 - June 27, 2006 (header)\n" #define PNG_LIBPNG_VER_SONUM 0 #define PNG_LIBPNG_VER_DLLNUM 13 @@ -324,7 +339,7 @@ /* 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 8 +#define PNG_LIBPNG_VER_RELEASE 12 /* This should match the numeric part of the final component of * PNG_LIBPNG_VER_STRING, omitting any leading zero: */ @@ -352,7 +367,7 @@ * 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 10208 /* 1.2.8 */ +#define PNG_LIBPNG_VER 10212 /* 1.2.12 */ #ifndef PNG_VERSION_INFO_ONLY /* include the compression library's header */ @@ -376,14 +391,14 @@ */ #if defined(PNG_USER_PRIVATEBUILD) -# define PNG_LIBPNG_BUILD_TYPE PNG_LIBPNG_BUILD_BASE_TYPE | \ - PNG_LIBPNG_BUILD_PRIVATE +# define PNG_LIBPNG_BUILD_TYPE \ + (PNG_LIBPNG_BUILD_BASE_TYPE | PNG_LIBPNG_BUILD_PRIVATE) #else # if defined(PNG_LIBPNG_SPECIALBUILD) -# define PNG_LIBPNG_BUILD_TYPE PNG_LIBPNG_BUILD_BASE_TYPE | \ - PNG_LIBPNG_BUILD_SPECIAL +# define PNG_LIBPNG_BUILD_TYPE \ + (PNG_LIBPNG_BUILD_BASE_TYPE | PNG_LIBPNG_BUILD_SPECIAL) # else -# define PNG_LIBPNG_BUILD_TYPE PNG_LIBPNG_BUILD_BASE_TYPE +# define PNG_LIBPNG_BUILD_TYPE (PNG_LIBPNG_BUILD_BASE_TYPE) # endif #endif @@ -455,7 +470,7 @@ PNG_EXPORT_VAR (const int FARDATA) png_pass_ystart[7]; PNG_EXPORT_VAR (const int FARDATA) png_pass_yinc[7]; PNG_EXPORT_VAR (const int FARDATA) png_pass_mask[7]; PNG_EXPORT_VAR (const int FARDATA) png_pass_dsp_mask[7]; -#ifdef PNG_HAVE_ASSEMBLER_COMBINE_ROW +#ifdef PNG_USE_PNGGCCRD PNG_EXPORT_VAR (const int FARDATA) png_pass_width[7]; #endif /* This isn't currently used. If you need it, see png.c for more details. @@ -894,8 +909,10 @@ typedef png_info FAR * FAR * png_infopp; #define PNG_UINT_31_MAX ((png_uint_32)0x7fffffffL) #define PNG_UINT_32_MAX ((png_uint_32)(-1)) #define PNG_SIZE_MAX ((png_size_t)(-1)) +#if defined(PNG_1_0_X) || defined (PNG_1_2_X) /* PNG_MAX_UINT is deprecated; use PNG_UINT_31_MAX instead. */ #define PNG_MAX_UINT PNG_UINT_31_MAX +#endif /* These describe the color_type field in png_info. */ /* color type masks */ @@ -1356,7 +1373,7 @@ struct png_struct_def /* 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_8; +typedef png_structp version_1_2_12; typedef png_struct FAR * FAR * png_structpp; @@ -1442,11 +1459,14 @@ extern PNG_EXPORT(void,png_write_chunk_end) PNGARG((png_structp png_ptr)); extern PNG_EXPORT(png_infop,png_create_info_struct) PNGARG((png_structp png_ptr)); +#if defined(PNG_1_0_X) || defined (PNG_1_2_X) /* Initialize the info structure (old interface - DEPRECATED) */ extern PNG_EXPORT(void,png_info_init) PNGARG((png_infop info_ptr)); #undef png_info_init #define png_info_init(info_ptr) png_info_init_3(&info_ptr,\ png_sizeof(png_info)); +#endif + extern PNG_EXPORT(void,png_info_init_3) PNGARG((png_infopp info_ptr, png_size_t png_info_struct_size)); @@ -1483,9 +1503,16 @@ extern PNG_EXPORT(void,png_convert_from_time_t) PNGARG((png_timep ptime, #if defined(PNG_READ_EXPAND_SUPPORTED) /* Expand data to 24-bit RGB, or 8-bit grayscale, with alpha if available. */ extern PNG_EXPORT(void,png_set_expand) PNGARG((png_structp png_ptr)); -extern PNG_EXPORT(void,png_set_gray_1_2_4_to_8) PNGARG((png_structp png_ptr)); +#if !defined(PNG_1_0_X) +extern PNG_EXPORT(void,png_set_expand_gray_1_2_4_to_8) PNGARG((png_structp + png_ptr)); +#endif extern PNG_EXPORT(void,png_set_palette_to_rgb) PNGARG((png_structp png_ptr)); extern PNG_EXPORT(void,png_set_tRNS_to_alpha) PNGARG((png_structp png_ptr)); +#if defined(PNG_1_0_X) || defined (PNG_1_2_X) +/* Deprecated */ +extern PNG_EXPORT(void,png_set_gray_1_2_4_to_8) PNGARG((png_structp png_ptr)); +#endif #endif #if defined(PNG_READ_BGR_SUPPORTED) || defined(PNG_WRITE_BGR_SUPPORTED) @@ -1606,6 +1633,7 @@ extern PNG_EXPORT(void,png_set_gamma) PNGARG((png_structp png_ptr, #endif #endif +#if defined(PNG_1_0_X) || defined (PNG_1_2_X) #if defined(PNG_READ_EMPTY_PLTE_SUPPORTED) || \ defined(PNG_WRITE_EMPTY_PLTE_SUPPORTED) /* Permit or disallow empty PLTE (0: not permitted, 1: permitted) */ @@ -1613,6 +1641,7 @@ extern PNG_EXPORT(void,png_set_gamma) PNGARG((png_structp png_ptr, extern PNG_EXPORT(void,png_permit_empty_plte) PNGARG((png_structp png_ptr, int empty_plte_permitted)); #endif +#endif #if defined(PNG_WRITE_FLUSH_SUPPORTED) /* Set how many lines between output flushes - 0 for no flushing */ @@ -2327,11 +2356,12 @@ extern PNG_EXPORT(png_uint_32,png_get_sCAL_s) PNGARG((png_structp png_ptr, #ifdef PNG_FLOATING_POINT_SUPPORTED extern PNG_EXPORT(void,png_set_sCAL) PNGARG((png_structp png_ptr, png_infop info_ptr, int unit, double width, double height)); -#endif +#else #ifdef PNG_FIXED_POINT_SUPPORTED extern PNG_EXPORT(void,png_set_sCAL_s) PNGARG((png_structp png_ptr, png_infop info_ptr, int unit, png_charp swidth, png_charp sheight)); #endif +#endif #endif /* PNG_sCAL_SUPPORTED || PNG_WRITE_sCAL_SUPPORTED */ #if defined(PNG_UNKNOWN_CHUNKS_SUPPORTED) @@ -2427,7 +2457,9 @@ extern PNG_EXPORT(void, png_write_png) PNGARG((png_structp png_ptr, #define png_debug2(l, m, p1, p2) #endif +#if 0 extern PNG_EXPORT(png_bytep,png_sig_bytes) PNGARG((void)); +#endif extern PNG_EXPORT(png_charp,png_get_copyright) PNGARG((png_structp png_ptr)); extern PNG_EXPORT(png_charp,png_get_header_ver) PNGARG((png_structp png_ptr)); @@ -2572,6 +2604,44 @@ extern PNG_EXPORT(png_uint_32,png_get_user_height_max) PNGARG((png_structp #endif /* PNG_READ_COMPOSITE_NODIV_SUPPORTED */ +/* Inline macros to do direct reads of bytes from the input buffer. These + * require that you are using an architecture that uses PNG byte ordering + * (MSB first) and supports unaligned data storage. I think that PowerPC + * in big-endian mode and 680x0 are the only ones that will support this. + * The x86 line of processors definitely do not. The png_get_int_32() + * routine also assumes we are using two's complement format for negative + * values, which is almost certainly true. + */ +#if defined(PNG_READ_BIG_ENDIAN_SUPPORTED) +# define png_get_uint_32(buf) ( *((png_uint_32p) (buf))) +# define png_get_uint_16(buf) ( *((png_uint_16p) (buf))) +# define png_get_int_32(buf) ( *((png_int_32p) (buf))) +#else +extern PNG_EXPORT(png_uint_32,png_get_uint_32) PNGARG((png_bytep buf)); +extern PNG_EXPORT(png_uint_16,png_get_uint_16) PNGARG((png_bytep buf)); +extern PNG_EXPORT(png_int_32,png_get_int_32) PNGARG((png_bytep buf)); +#endif /* !PNG_READ_BIG_ENDIAN_SUPPORTED */ +extern PNG_EXPORT(png_uint_32,png_get_uint_31) + PNGARG((png_structp png_ptr, png_bytep buf)); +/* No png_get_int_16 -- may be added if there's a real need for it. */ + +/* Place a 32-bit number into a buffer in PNG byte order (big-endian). + */ +extern PNG_EXPORT(void,png_save_uint_32) + PNGARG((png_bytep buf, png_uint_32 i)); +extern PNG_EXPORT(void,png_save_int_32) + PNGARG((png_bytep buf, png_int_32 i)); + +/* Place a 16-bit number into a buffer in PNG byte order. + * The parameter is declared unsigned int, not png_uint_16, + * just to avoid potential problems on pre-ANSI C compilers. + */ +extern PNG_EXPORT(void,png_save_uint_16) + PNGARG((png_bytep buf, unsigned int i)); +/* No png_save_int_16 -- may be added if there's a real need for it. */ + +/* ************************************************************************* */ + /* These next functions are used internally in the code. They generally * shouldn't be used unless you are writing code to add or replace some * functionality in libpng. More information about most functions can @@ -2586,7 +2656,7 @@ extern PNG_EXPORT(png_uint_32,png_get_user_height_max) PNGARG((png_structp #define PNG_HAVE_IHDR 0x01 #define PNG_HAVE_PLTE 0x02 #define PNG_HAVE_IDAT 0x04 -#define PNG_AFTER_IDAT 0x08 +#define PNG_AFTER_IDAT 0x08 /* Have complete zlib datastream */ #define PNG_HAVE_IEND 0x10 #define PNG_HAVE_gAMA 0x20 #define PNG_HAVE_cHRM 0x40 @@ -2596,6 +2666,7 @@ extern PNG_EXPORT(png_uint_32,png_get_user_height_max) PNGARG((png_structp #define PNG_WROTE_INFO_BEFORE_PLTE 0x400 #define PNG_BACKGROUND_IS_GRAY 0x800 #define PNG_HAVE_PNG_SIGNATURE 0x1000 +#define PNG_HAVE_CHUNK_AFTER_IDAT 0x2000 /* Have another chunk after IDAT */ /* flags for the transformations the PNG library does on the image data */ #define PNG_BGR 0x0001 @@ -2624,7 +2695,7 @@ extern PNG_EXPORT(png_uint_32,png_get_user_height_max) PNGARG((png_structp #define PNG_RGB_TO_GRAY 0x600000L /* two bits, RGB_TO_GRAY_ERR|WARN */ /* 0x800000L Unused */ #define PNG_ADD_ALPHA 0x1000000L /* Added to libpng-1.2.7 */ - /* 0x2000000L unused */ +#define PNG_EXPAND_tRNS 0x2000000L /* Added to libpng-1.2.9 */ /* 0x4000000L unused */ /* 0x8000000L unused */ /* 0x10000000L unused */ @@ -2708,8 +2779,10 @@ extern PNG_EXPORT(png_uint_32,png_get_user_height_max) PNGARG((png_structp #ifdef PNG_USE_GLOBAL_ARRAYS PNG_EXPORT_VAR (const png_byte FARDATA) png_sig[8]; #else +#if 0 #define png_sig png_sig_bytes(NULL) #endif +#endif #endif /* PNG_NO_EXTERN */ /* Constant strings for known chunk types. If you need to add a chunk, @@ -2762,31 +2835,7 @@ PNG_EXPORT_VAR (const png_byte FARDATA) png_tRNS[5]; PNG_EXPORT_VAR (const png_byte FARDATA) png_zTXt[5]; #endif /* PNG_USE_GLOBAL_ARRAYS */ - -/* Inline macros to do direct reads of bytes from the input buffer. These - * require that you are using an architecture that uses PNG byte ordering - * (MSB first) and supports unaligned data storage. I think that PowerPC - * in big-endian mode and 680x0 are the only ones that will support this. - * The x86 line of processors definitely do not. The png_get_int_32() - * routine also assumes we are using two's complement format for negative - * values, which is almost certainly true. - */ -#if defined(PNG_READ_BIG_ENDIAN_SUPPORTED) -# if defined(PNG_pCAL_SUPPORTED) || defined(PNG_oFFs_SUPPORTED) -# define png_get_int_32(buf) ( *((png_int_32p) (buf))) -# endif -# define png_get_uint_32(buf) ( *((png_uint_32p) (buf))) -# define png_get_uint_16(buf) ( *((png_uint_16p) (buf))) -#else -# if defined(PNG_pCAL_SUPPORTED) || defined(PNG_oFFs_SUPPORTED) -PNG_EXTERN png_int_32 png_get_int_32 PNGARG((png_bytep buf)); -# endif -PNG_EXTERN png_uint_32 png_get_uint_32 PNGARG((png_bytep buf)); -PNG_EXTERN png_uint_16 png_get_uint_16 PNGARG((png_bytep buf)); -#endif /* !PNG_READ_BIG_ENDIAN_SUPPORTED */ -PNG_EXTERN png_uint_32 png_get_uint_31 PNGARG((png_structp png_ptr, - png_bytep buf)); - +#if defined(PNG_1_0_X) || defined (PNG_1_2_X) /* Initialize png_ptr struct for reading, and allocate any other memory. * (old interface - DEPRECATED - use png_create_read_struct instead). */ @@ -2794,12 +2843,17 @@ extern PNG_EXPORT(void,png_read_init) PNGARG((png_structp png_ptr)); #undef png_read_init #define png_read_init(png_ptr) png_read_init_3(&png_ptr, \ PNG_LIBPNG_VER_STRING, png_sizeof(png_struct)); +#endif + extern PNG_EXPORT(void,png_read_init_3) PNGARG((png_structpp ptr_ptr, png_const_charp user_png_ver, png_size_t png_struct_size)); +#if defined(PNG_1_0_X) || defined (PNG_1_2_X) extern PNG_EXPORT(void,png_read_init_2) PNGARG((png_structp png_ptr, png_const_charp user_png_ver, png_size_t png_struct_size, png_size_t png_info_size)); +#endif +#if defined(PNG_1_0_X) || defined (PNG_1_2_X) /* Initialize png_ptr struct for writing, and allocate any other memory. * (old interface - DEPRECATED - use png_create_write_struct instead). */ @@ -2807,6 +2861,8 @@ extern PNG_EXPORT(void,png_write_init) PNGARG((png_structp png_ptr)); #undef png_write_init #define png_write_init(png_ptr) png_write_init_3(&png_ptr, \ PNG_LIBPNG_VER_STRING, png_sizeof(png_struct)); +#endif + extern PNG_EXPORT(void,png_write_init_3) PNGARG((png_structpp ptr_ptr, png_const_charp user_png_ver, png_size_t png_struct_size)); extern PNG_EXPORT(void,png_write_init_2) PNGARG((png_structp png_ptr, @@ -2906,23 +2962,6 @@ PNG_EXTERN void png_calculate_crc PNGARG((png_structp png_ptr, png_bytep ptr, PNG_EXTERN void png_flush PNGARG((png_structp png_ptr)); #endif - -/* Place a 32-bit number into a buffer in PNG byte order (big-endian). - * The only currently known PNG chunks that use signed numbers are - * the ancillary extension chunks, oFFs and pCAL. - */ -PNG_EXTERN void png_save_uint_32 PNGARG((png_bytep buf, png_uint_32 i)); - -#if defined(PNG_WRITE_pCAL_SUPPORTED) || defined(PNG_WRITE_oFFs_SUPPORTED) -PNG_EXTERN void png_save_int_32 PNGARG((png_bytep buf, png_int_32 i)); -#endif - -/* Place a 16-bit number into a buffer in PNG byte order. - * The parameter is declared unsigned int, not png_uint_16, - * just to avoid potential problems on pre-ANSI C compilers. - */ -PNG_EXTERN void png_save_uint_16 PNGARG((png_bytep buf, unsigned int i)); - /* simple function to write the signature */ PNG_EXTERN void png_write_sig PNGARG((png_structp png_ptr)); @@ -3406,6 +3445,29 @@ PNG_EXTERN void png_do_write_intrapixel PNGARG((png_row_infop row_info, /* png.c */ /* PRIVATE */ PNG_EXTERN void png_init_mmx_flags PNGARG((png_structp png_ptr)); #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, +png_infop info_ptr)); + +PNG_EXTERN png_uint_32 png_get_x_pixels_per_inch PNGARG((png_structp png_ptr, +png_infop info_ptr)); + +PNG_EXTERN png_uint_32 png_get_y_pixels_per_inch PNGARG((png_structp png_ptr, +png_infop info_ptr)); + +PNG_EXTERN float png_get_x_offset_inches PNGARG((png_structp png_ptr, +png_infop info_ptr)); + +PNG_EXTERN float png_get_y_offset_inches PNGARG((png_structp png_ptr, +png_infop info_ptr)); + +#if defined(PNG_pHYs_SUPPORTED) +PNG_EXTERN png_uint_32 png_get_pHYs_dpi PNGARG((png_structp png_ptr, +png_infop info_ptr, png_uint_32 *res_x, png_uint_32 *res_y, int *unit_type)); +#endif /* PNG_pHYs_SUPPORTED */ +#endif /* PNG_INCH_CONVERSIONS && PNG_FLOATING_POINT_SUPPORTED */ + /* Maintainer: Put new private prototypes here ^ and in libpngpf.3 */ #endif /* PNG_INTERNAL */ diff --git a/headers/libs/png/pngconf.h b/headers/libs/png/pngconf.h index ba50838454..389470ec62 100644 --- a/headers/libs/png/pngconf.h +++ b/headers/libs/png/pngconf.h @@ -1,9 +1,9 @@ /* pngconf.h - machine configurable file for libpng * - * libpng version 1.2.8 - December 3, 2004 + * libpng version 1.2.12 - June 27, 2006 * For conditions of distribution and use, see copyright notice in png.h - * Copyright (c) 1998-2004 Glenn Randers-Pehrson + * Copyright (c) 1998-2005 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.) */ @@ -24,9 +24,19 @@ * includes the resource compiler for Windows DLL configurations. */ #ifdef PNG_USER_CONFIG +# ifndef PNG_USER_PRIVATEBUILD +# define PNG_USER_PRIVATEBUILD +# endif #include "pngusr.h" #endif +/* PNG_CONFIGURE_LIBPNG is set by the "configure" script. */ +#ifdef PNG_CONFIGURE_LIBPNG +#ifdef HAVE_CONFIG_H +#include "config.h" +#endif +#endif + /* * Added at libpng-1.2.8 * @@ -55,8 +65,8 @@ #endif #ifdef PRIVATEBUILD -# pragma message("PRIVATEBUILD is deprecated. Use\ - PNG_USER_PRIVATEBUILD instead.") +# pragma message("PRIVATEBUILD is deprecated.\ + Use PNG_USER_PRIVATEBUILD instead.") # define PNG_USER_PRIVATEBUILD PRIVATEBUILD #endif #endif /* __STDC__ */ @@ -453,21 +463,33 @@ */ /* The size of the png_text structure changed in libpng-1.0.6 when - * iTXt is supported. It is turned off by default, to support old apps - * that malloc the png_text structure instead of calling png_set_text() - * and letting libpng malloc it. It will be turned on by default in - * libpng-1.3.0. + * iTXt support was added. iTXt support was turned off by default through + * libpng-1.2.x, to support old apps that malloc the png_text structure + * instead of calling png_set_text() and letting libpng malloc it. It + * was turned on by default in libpng-1.3.0. */ -#ifndef PNG_iTXt_SUPPORTED -# if !defined(PNG_READ_iTXt_SUPPORTED) && !defined(PNG_NO_READ_iTXt) +#if defined(PNG_1_0_X) || defined (PNG_1_2_X) +# ifndef PNG_NO_iTXt_SUPPORTED +# define PNG_NO_iTXt_SUPPORTED +# endif +# ifndef PNG_NO_READ_iTXt # define PNG_NO_READ_iTXt # endif -# if !defined(PNG_WRITE_iTXt_SUPPORTED) && !defined(PNG_NO_WRITE_iTXt) +# ifndef PNG_NO_WRITE_iTXt # define PNG_NO_WRITE_iTXt # endif #endif +#if !defined(PNG_NO_iTXt_SUPPORTED) +# if !defined(PNG_READ_iTXt_SUPPORTED) && !defined(PNG_NO_READ_iTXt) +# define PNG_READ_iTXt +# endif +# if !defined(PNG_WRITE_iTXt_SUPPORTED) && !defined(PNG_NO_WRITE_iTXt) +# define PNG_WRITE_iTXt +# endif +#endif + /* The following support, added after version 1.0.0, can be turned off here en * masse by defining PNG_LEGACY_SUPPORTED in case you need binary compatibility * with old applications that require the length of png_struct and png_info @@ -585,11 +607,13 @@ # endif #endif +#if defined(PNG_1_0_X) || defined (PNG_1_2_X) /* Deprecated, will be removed from version 2.0.0. Use PNG_MNG_FEATURES_SUPPORTED instead. */ #ifndef PNG_NO_READ_EMPTY_PLTE # define PNG_READ_EMPTY_PLTE_SUPPORTED #endif +#endif #endif /* PNG_READ_SUPPORTED */ @@ -633,11 +657,15 @@ # endif #endif /* PNG_WRITE_TRANSFORMS_SUPPORTED */ +#if !defined(PNG_NO_WRITE_INTERLACING_SUPPORTED) && \ + !defined(PNG_WRITE_INTERLACING_SUPPORTED) #define PNG_WRITE_INTERLACING_SUPPORTED /* not required for PNG-compliant encoders, but can cause trouble if left undefined */ +#endif #if !defined(PNG_NO_WRITE_WEIGHTED_FILTER) && \ + !defined(PNG_WRITE_WEIGHTED_FILTER) && \ defined(PNG_FLOATING_POINT_SUPPORTED) # define PNG_WRITE_WEIGHTED_FILTER_SUPPORTED #endif @@ -646,10 +674,12 @@ # define PNG_WRITE_FLUSH_SUPPORTED #endif +#if defined(PNG_1_0_X) || defined (PNG_1_2_X) /* Deprecated, see PNG_MNG_FEATURES_SUPPORTED, above */ #ifndef PNG_NO_WRITE_EMPTY_PLTE # define PNG_WRITE_EMPTY_PLTE_SUPPORTED #endif +#endif #endif /* PNG_WRITE_SUPPORTED */ @@ -696,9 +726,14 @@ # ifndef PNG_ASSEMBLER_CODE_SUPPORTED # define PNG_ASSEMBLER_CODE_SUPPORTED # endif -# if !defined(PNG_MMX_CODE_SUPPORTED) && !defined(PNG_NO_MMX_CODE) +# if !defined(PNG_MMX_CODE_SUPPORTED) && !defined(PNG_NO_MMX_CODE) && \ + defined(__MMX__) # define PNG_MMX_CODE_SUPPORTED # endif +# if !defined(PNG_USE_PNGGCCRD) && !defined(PNG_NO_MMX_CODE) && \ + !defined(PNG_USE_PNGVCRD) && defined(__MMX__) +# define PNG_USE_PNGGCCRD +# endif #endif /* If you are sure that you don't need thread safety and you are compiling diff --git a/src/libs/png/LICENSE b/src/libs/png/LICENSE index fe3ac4b96f..ef17df609f 100644 --- a/src/libs/png/LICENSE +++ b/src/libs/png/LICENSE @@ -8,8 +8,8 @@ COPYRIGHT NOTICE, DISCLAIMER, and LICENSE: If you modify libpng you may insert additional notices immediately following this sentence. -libpng version 1.2.6, December 3, 2004, is -Copyright (c) 2004 Glenn Randers-Pehrson, and is +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 distributed according to the same disclaimer and license as libpng-1.2.5 with the following individual added to the list of Contributing Authors @@ -106,4 +106,4 @@ certification mark of the Open Source Initiative. Glenn Randers-Pehrson glennrp at users.sourceforge.net -December 3, 2004 +June 27, 2006 diff --git a/src/libs/png/png.c b/src/libs/png/png.c index 608ea2ce7c..1118e3ca77 100644 --- a/src/libs/png/png.c +++ b/src/libs/png/png.c @@ -1,9 +1,9 @@ /* png.c - location for general purpose libpng functions * - * libpng version 1.2.8 - December 3, 2004 + * Last changed in libpng 1.2.9 April 14, 2006 * For conditions of distribution and use, see copyright notice in png.h - * Copyright (c) 1998-2004 Glenn Randers-Pehrson + * Copyright (c) 1998-2006 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_8 Your_png_h_is_not_version_1_2_8; +typedef version_1_2_12 Your_png_h_is_not_version_1_2_12; /* Version information for C files. This had better match the version * string defined in png.h. */ @@ -22,9 +22,12 @@ typedef version_1_2_8 Your_png_h_is_not_version_1_2_8; /* png_libpng_ver was changed to a function in version 1.0.5c */ const char png_libpng_ver[18] = PNG_LIBPNG_VER_STRING; +#ifdef PNG_READ_SUPPORTED + /* png_sig was changed to a function in version 1.0.5c */ /* Place to hold the signature string for a PNG file. */ const png_byte FARDATA png_sig[8] = {137, 80, 78, 71, 13, 10, 26, 10}; +#endif /* PNG_READ_SUPPORTED */ /* Invoke global declarations for constant strings for known chunk types */ PNG_IHDR; @@ -49,6 +52,7 @@ PNG_tIME; PNG_tRNS; PNG_zTXt; +#ifdef PNG_READ_SUPPORTED /* arrays to facilitate easy interlacing - use pass (0 - 6) as index */ /* start of interlace block */ @@ -80,6 +84,7 @@ const int FARDATA png_pass_mask[] = {0x80, 0x08, 0x88, 0x22, 0xaa, 0x55, 0xff}; const int FARDATA png_pass_dsp_mask[] = {0xff, 0x0f, 0xff, 0x33, 0xff, 0x55, 0xff}; +#endif /* PNG_READ_SUPPORTED */ #endif /* PNG_USE_GLOBAL_ARRAYS */ /* Tells libpng that we have already handled the first "num_bytes" bytes @@ -88,6 +93,7 @@ const int FARDATA png_pass_dsp_mask[] * or write any of the magic bytes before it starts on the IHDR. */ +#ifdef PNG_READ_SUPPORTED void PNGAPI png_set_sig_bytes(png_structp png_ptr, int num_bytes) { @@ -113,10 +119,10 @@ png_sig_cmp(png_bytep sig, png_size_t start, png_size_t num_to_check) if (num_to_check > 8) num_to_check = 8; else if (num_to_check < 1) - return (0); + return (-1); if (start > 7) - return (0); + return (-1); if (start + num_to_check > 8) num_to_check = 8 - start; @@ -124,6 +130,7 @@ png_sig_cmp(png_bytep sig, png_size_t start, png_size_t num_to_check) return ((int)(png_memcmp(&sig[start], &png_signature[start], num_to_check))); } +#if defined(PNG_1_0_X) || defined(PNG_1_2_X) /* (Obsolete) function to check signature bytes. It does not allow one * to check a partial signature. This function might be removed in the * future - use png_sig_cmp(). Returns true (nonzero) if the file is a PNG. @@ -133,7 +140,10 @@ png_check_sig(png_bytep sig, int num) { return ((int)!png_sig_cmp(sig, (png_size_t)0, (png_size_t)num)); } +#endif +#endif /* PNG_READ_SUPPORTED */ +#if defined(PNG_READ_SUPPORTED) || defined(PNG_WRITE_SUPPORTED) /* Function to allocate memory for zlib and clear it to 0. */ #ifdef PNG_1_0_X voidpf PNGAPI @@ -279,7 +289,7 @@ png_destroy_info_struct(png_structp png_ptr, png_infopp info_ptr_ptr) * and applications using it are urged to use png_create_info_struct() * instead. */ -#if defined(PNG_1_0_X) || defined (PNG_1_2_X) +#if defined(PNG_1_0_X) || defined(PNG_1_2_X) #undef png_info_init void PNGAPI png_info_init(png_infop info_ptr) @@ -592,6 +602,7 @@ png_info_destroy(png_structp png_ptr, png_infop info_ptr) png_info_init_3(&info_ptr, png_sizeof(png_info)); } +#endif /* defined(PNG_READ_SUPPORTED) || defined(PNG_WRITE_SUPPORTED) */ /* This function returns a pointer to the io_ptr associated with the user * functions. The application should free any memory associated with this @@ -603,6 +614,7 @@ png_get_io_ptr(png_structp png_ptr) return (png_ptr->io_ptr); } +#if defined(PNG_READ_SUPPORTED) || defined(PNG_WRITE_SUPPORTED) #if !defined(PNG_NO_STDIO) /* Initialize the default input/output functions for the PNG file. If you * use your own read or write routines, you can call either png_set_read_fn() @@ -675,13 +687,14 @@ png_sig_bytes(void) return ((png_bytep)"\211\120\116\107\015\012\032\012"); } #endif +#endif /* defined(PNG_READ_SUPPORTED) || defined(PNG_WRITE_SUPPORTED) */ 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 1.2.8 - December 3, 2004\n\ - Copyright (c) 1998-2004 Glenn Randers-Pehrson\n\ + return ((png_charp) "\n libpng version 1.2.12 - June 27, 2006\n\ + Copyright (c) 1998-2006 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) ""); @@ -722,6 +735,7 @@ png_get_header_version(png_structp png_ptr) return ((png_charp) ""); } +#if defined(PNG_READ_SUPPORTED) || defined(PNG_WRITE_SUPPORTED) #ifdef PNG_HANDLE_AS_UNKNOWN_SUPPORTED int PNGAPI png_handle_as_unknown(png_structp png_ptr, png_bytep chunk_name) @@ -745,6 +759,7 @@ png_reset_zstream(png_structp png_ptr) { return (inflateReset(&png_ptr->zstream)); } +#endif /* defined(PNG_READ_SUPPORTED) || defined(PNG_WRITE_SUPPORTED) */ /* This function was added to libpng-1.0.7 */ png_uint_32 PNGAPI @@ -755,6 +770,7 @@ png_access_version_number(void) } +#if defined(PNG_READ_SUPPORTED) #if !defined(PNG_1_0_X) #if defined(PNG_ASSEMBLER_CODE_SUPPORTED) /* GRR: could add this: && defined(PNG_MMX_CODE_SUPPORTED) */ @@ -814,7 +830,9 @@ png_mmx_support(void) } #endif #endif /* PNG_1_0_X */ +#endif /* PNG_READ_SUPPORTED */ +#if defined(PNG_READ_SUPPORTED) || defined(PNG_WRITE_SUPPORTED) #ifdef PNG_SIZE_T /* Added at libpng version 1.2.6 */ PNG_EXTERN png_size_t PNGAPI png_convert_size PNGARG((size_t size)); @@ -826,3 +844,4 @@ png_convert_size(size_t size) return ((png_size_t)size); } #endif /* PNG_SIZE_T */ +#endif /* defined(PNG_READ_SUPPORTED) || defined(PNG_WRITE_SUPPORTED) */ diff --git a/src/libs/png/png.h b/src/libs/png/png.h index e87a3011cd..fd7ea88f0f 100644 --- a/src/libs/png/png.h +++ b/src/libs/png/png.h @@ -1,14 +1,15 @@ + /* png.h - header file for PNG reference library * - * libpng version 1.2.8 - December 3, 2004 - * Copyright (c) 1998-2004 Glenn Randers-Pehrson + * libpng version 1.2.12 - June 27, 2006 + * Copyright (c) 1998-2006 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 1.2.8 - December 3, 2004: Glenn + * libpng versions 0.97, January 1998, through 1.2.12 - June 27, 2006: Glenn * See also "Contributing Authors", below. * * Note about libpng version numbers: @@ -102,15 +103,29 @@ * 1.0.16 10 10016 10.so.0.1.0.16 * 1.2.6 13 10206 12.so.0.1.2.6 * 1.2.7beta1-2 13 10207 12.so.0.1.2.7beta1-2 - * 1.0.17rc1 10 10017 12.so.0.1.0.17rc1 + * 1.0.17rc1 10 10017 10.so.0.1.0.17rc1 * 1.2.7rc1 13 10207 12.so.0.1.2.7rc1 - * 1.0.17 10 10017 12.so.0.1.0.17 + * 1.0.17 10 10017 10.so.0.1.0.17 * 1.2.7 13 10207 12.so.0.1.2.7 * 1.2.8beta1-5 13 10208 12.so.0.1.2.8beta1-5 - * 1.0.18rc1-5 10 10018 12.so.0.1.0.18rc1-5 + * 1.0.18rc1-5 10 10018 10.so.0.1.0.18rc1-5 * 1.2.8rc1-5 13 10208 12.so.0.1.2.8rc1-5 - * 1.0.18 10 10018 12.so.0.1.0.18 + * 1.0.18 10 10018 10.so.0.1.0.18 * 1.2.8 13 10208 12.so.0.1.2.8 + * 1.2.9beta1-3 13 10209 12.so.0.1.2.9beta1-3 + * 1.2.9beta4-11 13 10209 12.so.0.9[.0] + * 1.2.9rc1 13 10209 12.so.0.9[.0] + * 1.2.9 13 10209 12.so.0.9[.0] + * 1.2.10beta1-8 13 10210 12.so.0.10[.0] + * 1.2.10rc1-3 13 10210 12.so.0.10[.0] + * 1.2.10 13 10210 12.so.0.10[.0] + * 1.2.11beta1-4 13 10211 12.so.0.11[.0] + * 1.0.19rc1-5 10 10019 10.so.0.19[.0] + * 1.2.11rc1-5 13 10211 12.so.0.11[.0] + * 1.0.19 10 10019 10.so.0.19[.0] + * 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] * * Henceforth the source version will match the shared-library major * and minor numbers; the shared-library major version number will be @@ -140,8 +155,8 @@ * If you modify libpng you may insert additional notices immediately following * this sentence. * - * libpng versions 1.2.6, August 15, 2004, through 1.2.8, December 3, 2004, are - * Copyright (c) 2004 Glenn Randers-Pehrson, and are + * 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 * distributed according to the same disclaimer and license as libpng-1.2.5 * with the following individual added to the list of Contributing Authors: * @@ -252,13 +267,13 @@ * Y2K compliance in libpng: * ========================= * - * December 3, 2004 + * June 27, 2006 * * 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 1.2.8 are Y2K compliant. It is my belief that earlier + * upward through 1.2.12 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 @@ -314,9 +329,9 @@ */ /* Version information for png.h - this should match the version in png.c */ -#define PNG_LIBPNG_VER_STRING "1.2.8" +#define PNG_LIBPNG_VER_STRING "1.2.12" #define PNG_HEADER_VERSION_STRING \ - " libpng version 1.2.8 - December 3, 2004 (header)\n" + " libpng version 1.2.12 - June 27, 2006 (header)\n" #define PNG_LIBPNG_VER_SONUM 0 #define PNG_LIBPNG_VER_DLLNUM 13 @@ -324,7 +339,7 @@ /* 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 8 +#define PNG_LIBPNG_VER_RELEASE 12 /* This should match the numeric part of the final component of * PNG_LIBPNG_VER_STRING, omitting any leading zero: */ @@ -352,7 +367,7 @@ * 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 10208 /* 1.2.8 */ +#define PNG_LIBPNG_VER 10212 /* 1.2.12 */ #ifndef PNG_VERSION_INFO_ONLY /* include the compression library's header */ @@ -376,14 +391,14 @@ */ #if defined(PNG_USER_PRIVATEBUILD) -# define PNG_LIBPNG_BUILD_TYPE PNG_LIBPNG_BUILD_BASE_TYPE | \ - PNG_LIBPNG_BUILD_PRIVATE +# define PNG_LIBPNG_BUILD_TYPE \ + (PNG_LIBPNG_BUILD_BASE_TYPE | PNG_LIBPNG_BUILD_PRIVATE) #else # if defined(PNG_LIBPNG_SPECIALBUILD) -# define PNG_LIBPNG_BUILD_TYPE PNG_LIBPNG_BUILD_BASE_TYPE | \ - PNG_LIBPNG_BUILD_SPECIAL +# define PNG_LIBPNG_BUILD_TYPE \ + (PNG_LIBPNG_BUILD_BASE_TYPE | PNG_LIBPNG_BUILD_SPECIAL) # else -# define PNG_LIBPNG_BUILD_TYPE PNG_LIBPNG_BUILD_BASE_TYPE +# define PNG_LIBPNG_BUILD_TYPE (PNG_LIBPNG_BUILD_BASE_TYPE) # endif #endif @@ -455,7 +470,7 @@ PNG_EXPORT_VAR (const int FARDATA) png_pass_ystart[7]; PNG_EXPORT_VAR (const int FARDATA) png_pass_yinc[7]; PNG_EXPORT_VAR (const int FARDATA) png_pass_mask[7]; PNG_EXPORT_VAR (const int FARDATA) png_pass_dsp_mask[7]; -#ifdef PNG_HAVE_ASSEMBLER_COMBINE_ROW +#ifdef PNG_USE_PNGGCCRD PNG_EXPORT_VAR (const int FARDATA) png_pass_width[7]; #endif /* This isn't currently used. If you need it, see png.c for more details. @@ -894,8 +909,10 @@ typedef png_info FAR * FAR * png_infopp; #define PNG_UINT_31_MAX ((png_uint_32)0x7fffffffL) #define PNG_UINT_32_MAX ((png_uint_32)(-1)) #define PNG_SIZE_MAX ((png_size_t)(-1)) +#if defined(PNG_1_0_X) || defined (PNG_1_2_X) /* PNG_MAX_UINT is deprecated; use PNG_UINT_31_MAX instead. */ #define PNG_MAX_UINT PNG_UINT_31_MAX +#endif /* These describe the color_type field in png_info. */ /* color type masks */ @@ -1356,7 +1373,7 @@ struct png_struct_def /* 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_8; +typedef png_structp version_1_2_12; typedef png_struct FAR * FAR * png_structpp; @@ -1442,11 +1459,14 @@ extern PNG_EXPORT(void,png_write_chunk_end) PNGARG((png_structp png_ptr)); extern PNG_EXPORT(png_infop,png_create_info_struct) PNGARG((png_structp png_ptr)); +#if defined(PNG_1_0_X) || defined (PNG_1_2_X) /* Initialize the info structure (old interface - DEPRECATED) */ extern PNG_EXPORT(void,png_info_init) PNGARG((png_infop info_ptr)); #undef png_info_init #define png_info_init(info_ptr) png_info_init_3(&info_ptr,\ png_sizeof(png_info)); +#endif + extern PNG_EXPORT(void,png_info_init_3) PNGARG((png_infopp info_ptr, png_size_t png_info_struct_size)); @@ -1483,9 +1503,16 @@ extern PNG_EXPORT(void,png_convert_from_time_t) PNGARG((png_timep ptime, #if defined(PNG_READ_EXPAND_SUPPORTED) /* Expand data to 24-bit RGB, or 8-bit grayscale, with alpha if available. */ extern PNG_EXPORT(void,png_set_expand) PNGARG((png_structp png_ptr)); -extern PNG_EXPORT(void,png_set_gray_1_2_4_to_8) PNGARG((png_structp png_ptr)); +#if !defined(PNG_1_0_X) +extern PNG_EXPORT(void,png_set_expand_gray_1_2_4_to_8) PNGARG((png_structp + png_ptr)); +#endif extern PNG_EXPORT(void,png_set_palette_to_rgb) PNGARG((png_structp png_ptr)); extern PNG_EXPORT(void,png_set_tRNS_to_alpha) PNGARG((png_structp png_ptr)); +#if defined(PNG_1_0_X) || defined (PNG_1_2_X) +/* Deprecated */ +extern PNG_EXPORT(void,png_set_gray_1_2_4_to_8) PNGARG((png_structp png_ptr)); +#endif #endif #if defined(PNG_READ_BGR_SUPPORTED) || defined(PNG_WRITE_BGR_SUPPORTED) @@ -1606,6 +1633,7 @@ extern PNG_EXPORT(void,png_set_gamma) PNGARG((png_structp png_ptr, #endif #endif +#if defined(PNG_1_0_X) || defined (PNG_1_2_X) #if defined(PNG_READ_EMPTY_PLTE_SUPPORTED) || \ defined(PNG_WRITE_EMPTY_PLTE_SUPPORTED) /* Permit or disallow empty PLTE (0: not permitted, 1: permitted) */ @@ -1613,6 +1641,7 @@ extern PNG_EXPORT(void,png_set_gamma) PNGARG((png_structp png_ptr, extern PNG_EXPORT(void,png_permit_empty_plte) PNGARG((png_structp png_ptr, int empty_plte_permitted)); #endif +#endif #if defined(PNG_WRITE_FLUSH_SUPPORTED) /* Set how many lines between output flushes - 0 for no flushing */ @@ -2327,11 +2356,12 @@ extern PNG_EXPORT(png_uint_32,png_get_sCAL_s) PNGARG((png_structp png_ptr, #ifdef PNG_FLOATING_POINT_SUPPORTED extern PNG_EXPORT(void,png_set_sCAL) PNGARG((png_structp png_ptr, png_infop info_ptr, int unit, double width, double height)); -#endif +#else #ifdef PNG_FIXED_POINT_SUPPORTED extern PNG_EXPORT(void,png_set_sCAL_s) PNGARG((png_structp png_ptr, png_infop info_ptr, int unit, png_charp swidth, png_charp sheight)); #endif +#endif #endif /* PNG_sCAL_SUPPORTED || PNG_WRITE_sCAL_SUPPORTED */ #if defined(PNG_UNKNOWN_CHUNKS_SUPPORTED) @@ -2427,7 +2457,9 @@ extern PNG_EXPORT(void, png_write_png) PNGARG((png_structp png_ptr, #define png_debug2(l, m, p1, p2) #endif +#if 0 extern PNG_EXPORT(png_bytep,png_sig_bytes) PNGARG((void)); +#endif extern PNG_EXPORT(png_charp,png_get_copyright) PNGARG((png_structp png_ptr)); extern PNG_EXPORT(png_charp,png_get_header_ver) PNGARG((png_structp png_ptr)); @@ -2572,6 +2604,44 @@ extern PNG_EXPORT(png_uint_32,png_get_user_height_max) PNGARG((png_structp #endif /* PNG_READ_COMPOSITE_NODIV_SUPPORTED */ +/* Inline macros to do direct reads of bytes from the input buffer. These + * require that you are using an architecture that uses PNG byte ordering + * (MSB first) and supports unaligned data storage. I think that PowerPC + * in big-endian mode and 680x0 are the only ones that will support this. + * The x86 line of processors definitely do not. The png_get_int_32() + * routine also assumes we are using two's complement format for negative + * values, which is almost certainly true. + */ +#if defined(PNG_READ_BIG_ENDIAN_SUPPORTED) +# define png_get_uint_32(buf) ( *((png_uint_32p) (buf))) +# define png_get_uint_16(buf) ( *((png_uint_16p) (buf))) +# define png_get_int_32(buf) ( *((png_int_32p) (buf))) +#else +extern PNG_EXPORT(png_uint_32,png_get_uint_32) PNGARG((png_bytep buf)); +extern PNG_EXPORT(png_uint_16,png_get_uint_16) PNGARG((png_bytep buf)); +extern PNG_EXPORT(png_int_32,png_get_int_32) PNGARG((png_bytep buf)); +#endif /* !PNG_READ_BIG_ENDIAN_SUPPORTED */ +extern PNG_EXPORT(png_uint_32,png_get_uint_31) + PNGARG((png_structp png_ptr, png_bytep buf)); +/* No png_get_int_16 -- may be added if there's a real need for it. */ + +/* Place a 32-bit number into a buffer in PNG byte order (big-endian). + */ +extern PNG_EXPORT(void,png_save_uint_32) + PNGARG((png_bytep buf, png_uint_32 i)); +extern PNG_EXPORT(void,png_save_int_32) + PNGARG((png_bytep buf, png_int_32 i)); + +/* Place a 16-bit number into a buffer in PNG byte order. + * The parameter is declared unsigned int, not png_uint_16, + * just to avoid potential problems on pre-ANSI C compilers. + */ +extern PNG_EXPORT(void,png_save_uint_16) + PNGARG((png_bytep buf, unsigned int i)); +/* No png_save_int_16 -- may be added if there's a real need for it. */ + +/* ************************************************************************* */ + /* These next functions are used internally in the code. They generally * shouldn't be used unless you are writing code to add or replace some * functionality in libpng. More information about most functions can @@ -2586,7 +2656,7 @@ extern PNG_EXPORT(png_uint_32,png_get_user_height_max) PNGARG((png_structp #define PNG_HAVE_IHDR 0x01 #define PNG_HAVE_PLTE 0x02 #define PNG_HAVE_IDAT 0x04 -#define PNG_AFTER_IDAT 0x08 +#define PNG_AFTER_IDAT 0x08 /* Have complete zlib datastream */ #define PNG_HAVE_IEND 0x10 #define PNG_HAVE_gAMA 0x20 #define PNG_HAVE_cHRM 0x40 @@ -2596,6 +2666,7 @@ extern PNG_EXPORT(png_uint_32,png_get_user_height_max) PNGARG((png_structp #define PNG_WROTE_INFO_BEFORE_PLTE 0x400 #define PNG_BACKGROUND_IS_GRAY 0x800 #define PNG_HAVE_PNG_SIGNATURE 0x1000 +#define PNG_HAVE_CHUNK_AFTER_IDAT 0x2000 /* Have another chunk after IDAT */ /* flags for the transformations the PNG library does on the image data */ #define PNG_BGR 0x0001 @@ -2624,7 +2695,7 @@ extern PNG_EXPORT(png_uint_32,png_get_user_height_max) PNGARG((png_structp #define PNG_RGB_TO_GRAY 0x600000L /* two bits, RGB_TO_GRAY_ERR|WARN */ /* 0x800000L Unused */ #define PNG_ADD_ALPHA 0x1000000L /* Added to libpng-1.2.7 */ - /* 0x2000000L unused */ +#define PNG_EXPAND_tRNS 0x2000000L /* Added to libpng-1.2.9 */ /* 0x4000000L unused */ /* 0x8000000L unused */ /* 0x10000000L unused */ @@ -2708,8 +2779,10 @@ extern PNG_EXPORT(png_uint_32,png_get_user_height_max) PNGARG((png_structp #ifdef PNG_USE_GLOBAL_ARRAYS PNG_EXPORT_VAR (const png_byte FARDATA) png_sig[8]; #else +#if 0 #define png_sig png_sig_bytes(NULL) #endif +#endif #endif /* PNG_NO_EXTERN */ /* Constant strings for known chunk types. If you need to add a chunk, @@ -2762,31 +2835,7 @@ PNG_EXPORT_VAR (const png_byte FARDATA) png_tRNS[5]; PNG_EXPORT_VAR (const png_byte FARDATA) png_zTXt[5]; #endif /* PNG_USE_GLOBAL_ARRAYS */ - -/* Inline macros to do direct reads of bytes from the input buffer. These - * require that you are using an architecture that uses PNG byte ordering - * (MSB first) and supports unaligned data storage. I think that PowerPC - * in big-endian mode and 680x0 are the only ones that will support this. - * The x86 line of processors definitely do not. The png_get_int_32() - * routine also assumes we are using two's complement format for negative - * values, which is almost certainly true. - */ -#if defined(PNG_READ_BIG_ENDIAN_SUPPORTED) -# if defined(PNG_pCAL_SUPPORTED) || defined(PNG_oFFs_SUPPORTED) -# define png_get_int_32(buf) ( *((png_int_32p) (buf))) -# endif -# define png_get_uint_32(buf) ( *((png_uint_32p) (buf))) -# define png_get_uint_16(buf) ( *((png_uint_16p) (buf))) -#else -# if defined(PNG_pCAL_SUPPORTED) || defined(PNG_oFFs_SUPPORTED) -PNG_EXTERN png_int_32 png_get_int_32 PNGARG((png_bytep buf)); -# endif -PNG_EXTERN png_uint_32 png_get_uint_32 PNGARG((png_bytep buf)); -PNG_EXTERN png_uint_16 png_get_uint_16 PNGARG((png_bytep buf)); -#endif /* !PNG_READ_BIG_ENDIAN_SUPPORTED */ -PNG_EXTERN png_uint_32 png_get_uint_31 PNGARG((png_structp png_ptr, - png_bytep buf)); - +#if defined(PNG_1_0_X) || defined (PNG_1_2_X) /* Initialize png_ptr struct for reading, and allocate any other memory. * (old interface - DEPRECATED - use png_create_read_struct instead). */ @@ -2794,12 +2843,17 @@ extern PNG_EXPORT(void,png_read_init) PNGARG((png_structp png_ptr)); #undef png_read_init #define png_read_init(png_ptr) png_read_init_3(&png_ptr, \ PNG_LIBPNG_VER_STRING, png_sizeof(png_struct)); +#endif + extern PNG_EXPORT(void,png_read_init_3) PNGARG((png_structpp ptr_ptr, png_const_charp user_png_ver, png_size_t png_struct_size)); +#if defined(PNG_1_0_X) || defined (PNG_1_2_X) extern PNG_EXPORT(void,png_read_init_2) PNGARG((png_structp png_ptr, png_const_charp user_png_ver, png_size_t png_struct_size, png_size_t png_info_size)); +#endif +#if defined(PNG_1_0_X) || defined (PNG_1_2_X) /* Initialize png_ptr struct for writing, and allocate any other memory. * (old interface - DEPRECATED - use png_create_write_struct instead). */ @@ -2807,6 +2861,8 @@ extern PNG_EXPORT(void,png_write_init) PNGARG((png_structp png_ptr)); #undef png_write_init #define png_write_init(png_ptr) png_write_init_3(&png_ptr, \ PNG_LIBPNG_VER_STRING, png_sizeof(png_struct)); +#endif + extern PNG_EXPORT(void,png_write_init_3) PNGARG((png_structpp ptr_ptr, png_const_charp user_png_ver, png_size_t png_struct_size)); extern PNG_EXPORT(void,png_write_init_2) PNGARG((png_structp png_ptr, @@ -2906,23 +2962,6 @@ PNG_EXTERN void png_calculate_crc PNGARG((png_structp png_ptr, png_bytep ptr, PNG_EXTERN void png_flush PNGARG((png_structp png_ptr)); #endif - -/* Place a 32-bit number into a buffer in PNG byte order (big-endian). - * The only currently known PNG chunks that use signed numbers are - * the ancillary extension chunks, oFFs and pCAL. - */ -PNG_EXTERN void png_save_uint_32 PNGARG((png_bytep buf, png_uint_32 i)); - -#if defined(PNG_WRITE_pCAL_SUPPORTED) || defined(PNG_WRITE_oFFs_SUPPORTED) -PNG_EXTERN void png_save_int_32 PNGARG((png_bytep buf, png_int_32 i)); -#endif - -/* Place a 16-bit number into a buffer in PNG byte order. - * The parameter is declared unsigned int, not png_uint_16, - * just to avoid potential problems on pre-ANSI C compilers. - */ -PNG_EXTERN void png_save_uint_16 PNGARG((png_bytep buf, unsigned int i)); - /* simple function to write the signature */ PNG_EXTERN void png_write_sig PNGARG((png_structp png_ptr)); @@ -3406,6 +3445,29 @@ PNG_EXTERN void png_do_write_intrapixel PNGARG((png_row_infop row_info, /* png.c */ /* PRIVATE */ PNG_EXTERN void png_init_mmx_flags PNGARG((png_structp png_ptr)); #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, +png_infop info_ptr)); + +PNG_EXTERN png_uint_32 png_get_x_pixels_per_inch PNGARG((png_structp png_ptr, +png_infop info_ptr)); + +PNG_EXTERN png_uint_32 png_get_y_pixels_per_inch PNGARG((png_structp png_ptr, +png_infop info_ptr)); + +PNG_EXTERN float png_get_x_offset_inches PNGARG((png_structp png_ptr, +png_infop info_ptr)); + +PNG_EXTERN float png_get_y_offset_inches PNGARG((png_structp png_ptr, +png_infop info_ptr)); + +#if defined(PNG_pHYs_SUPPORTED) +PNG_EXTERN png_uint_32 png_get_pHYs_dpi PNGARG((png_structp png_ptr, +png_infop info_ptr, png_uint_32 *res_x, png_uint_32 *res_y, int *unit_type)); +#endif /* PNG_pHYs_SUPPORTED */ +#endif /* PNG_INCH_CONVERSIONS && PNG_FLOATING_POINT_SUPPORTED */ + /* Maintainer: Put new private prototypes here ^ and in libpngpf.3 */ #endif /* PNG_INTERNAL */ diff --git a/src/libs/png/pngconf.h b/src/libs/png/pngconf.h index ba50838454..389470ec62 100644 --- a/src/libs/png/pngconf.h +++ b/src/libs/png/pngconf.h @@ -1,9 +1,9 @@ /* pngconf.h - machine configurable file for libpng * - * libpng version 1.2.8 - December 3, 2004 + * libpng version 1.2.12 - June 27, 2006 * For conditions of distribution and use, see copyright notice in png.h - * Copyright (c) 1998-2004 Glenn Randers-Pehrson + * Copyright (c) 1998-2005 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.) */ @@ -24,9 +24,19 @@ * includes the resource compiler for Windows DLL configurations. */ #ifdef PNG_USER_CONFIG +# ifndef PNG_USER_PRIVATEBUILD +# define PNG_USER_PRIVATEBUILD +# endif #include "pngusr.h" #endif +/* PNG_CONFIGURE_LIBPNG is set by the "configure" script. */ +#ifdef PNG_CONFIGURE_LIBPNG +#ifdef HAVE_CONFIG_H +#include "config.h" +#endif +#endif + /* * Added at libpng-1.2.8 * @@ -55,8 +65,8 @@ #endif #ifdef PRIVATEBUILD -# pragma message("PRIVATEBUILD is deprecated. Use\ - PNG_USER_PRIVATEBUILD instead.") +# pragma message("PRIVATEBUILD is deprecated.\ + Use PNG_USER_PRIVATEBUILD instead.") # define PNG_USER_PRIVATEBUILD PRIVATEBUILD #endif #endif /* __STDC__ */ @@ -453,21 +463,33 @@ */ /* The size of the png_text structure changed in libpng-1.0.6 when - * iTXt is supported. It is turned off by default, to support old apps - * that malloc the png_text structure instead of calling png_set_text() - * and letting libpng malloc it. It will be turned on by default in - * libpng-1.3.0. + * iTXt support was added. iTXt support was turned off by default through + * libpng-1.2.x, to support old apps that malloc the png_text structure + * instead of calling png_set_text() and letting libpng malloc it. It + * was turned on by default in libpng-1.3.0. */ -#ifndef PNG_iTXt_SUPPORTED -# if !defined(PNG_READ_iTXt_SUPPORTED) && !defined(PNG_NO_READ_iTXt) +#if defined(PNG_1_0_X) || defined (PNG_1_2_X) +# ifndef PNG_NO_iTXt_SUPPORTED +# define PNG_NO_iTXt_SUPPORTED +# endif +# ifndef PNG_NO_READ_iTXt # define PNG_NO_READ_iTXt # endif -# if !defined(PNG_WRITE_iTXt_SUPPORTED) && !defined(PNG_NO_WRITE_iTXt) +# ifndef PNG_NO_WRITE_iTXt # define PNG_NO_WRITE_iTXt # endif #endif +#if !defined(PNG_NO_iTXt_SUPPORTED) +# if !defined(PNG_READ_iTXt_SUPPORTED) && !defined(PNG_NO_READ_iTXt) +# define PNG_READ_iTXt +# endif +# if !defined(PNG_WRITE_iTXt_SUPPORTED) && !defined(PNG_NO_WRITE_iTXt) +# define PNG_WRITE_iTXt +# endif +#endif + /* The following support, added after version 1.0.0, can be turned off here en * masse by defining PNG_LEGACY_SUPPORTED in case you need binary compatibility * with old applications that require the length of png_struct and png_info @@ -585,11 +607,13 @@ # endif #endif +#if defined(PNG_1_0_X) || defined (PNG_1_2_X) /* Deprecated, will be removed from version 2.0.0. Use PNG_MNG_FEATURES_SUPPORTED instead. */ #ifndef PNG_NO_READ_EMPTY_PLTE # define PNG_READ_EMPTY_PLTE_SUPPORTED #endif +#endif #endif /* PNG_READ_SUPPORTED */ @@ -633,11 +657,15 @@ # endif #endif /* PNG_WRITE_TRANSFORMS_SUPPORTED */ +#if !defined(PNG_NO_WRITE_INTERLACING_SUPPORTED) && \ + !defined(PNG_WRITE_INTERLACING_SUPPORTED) #define PNG_WRITE_INTERLACING_SUPPORTED /* not required for PNG-compliant encoders, but can cause trouble if left undefined */ +#endif #if !defined(PNG_NO_WRITE_WEIGHTED_FILTER) && \ + !defined(PNG_WRITE_WEIGHTED_FILTER) && \ defined(PNG_FLOATING_POINT_SUPPORTED) # define PNG_WRITE_WEIGHTED_FILTER_SUPPORTED #endif @@ -646,10 +674,12 @@ # define PNG_WRITE_FLUSH_SUPPORTED #endif +#if defined(PNG_1_0_X) || defined (PNG_1_2_X) /* Deprecated, see PNG_MNG_FEATURES_SUPPORTED, above */ #ifndef PNG_NO_WRITE_EMPTY_PLTE # define PNG_WRITE_EMPTY_PLTE_SUPPORTED #endif +#endif #endif /* PNG_WRITE_SUPPORTED */ @@ -696,9 +726,14 @@ # ifndef PNG_ASSEMBLER_CODE_SUPPORTED # define PNG_ASSEMBLER_CODE_SUPPORTED # endif -# if !defined(PNG_MMX_CODE_SUPPORTED) && !defined(PNG_NO_MMX_CODE) +# if !defined(PNG_MMX_CODE_SUPPORTED) && !defined(PNG_NO_MMX_CODE) && \ + defined(__MMX__) # define PNG_MMX_CODE_SUPPORTED # endif +# if !defined(PNG_USE_PNGGCCRD) && !defined(PNG_NO_MMX_CODE) && \ + !defined(PNG_USE_PNGVCRD) && defined(__MMX__) +# define PNG_USE_PNGGCCRD +# endif #endif /* If you are sure that you don't need thread safety and you are compiling diff --git a/src/libs/png/pngerror.c b/src/libs/png/pngerror.c index 6fa4012378..ad6ae0e822 100644 --- a/src/libs/png/pngerror.c +++ b/src/libs/png/pngerror.c @@ -1,9 +1,9 @@ /* pngerror.c - stub functions for i/o and memory allocation * - * libpng version 1.2.8 - December 3, 2004 + * Last changed in libpng 1.2.9 April 14, 2006 * For conditions of distribution and use, see copyright notice in png.h - * Copyright (c) 1998-2004 Glenn Randers-Pehrson + * Copyright (c) 1998-2006 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.) * @@ -16,6 +16,7 @@ #define PNG_INTERNAL #include "png.h" +#if defined(PNG_READ_SUPPORTED) || defined(PNG_WRITE_SUPPORTED) static void /* PRIVATE */ png_default_error PNGARG((png_structp png_ptr, png_const_charp error_message)); @@ -33,33 +34,37 @@ png_error(png_structp png_ptr, png_const_charp error_message) { #ifdef PNG_ERROR_NUMBERS_SUPPORTED char msg[16]; - if (png_ptr->flags&(PNG_FLAG_STRIP_ERROR_NUMBERS|PNG_FLAG_STRIP_ERROR_TEXT)) + if (png_ptr != NULL) { - if (*error_message == '#') + if (png_ptr->flags& + (PNG_FLAG_STRIP_ERROR_NUMBERS|PNG_FLAG_STRIP_ERROR_TEXT)) { - int offset; - for (offset=1; offset<15; offset++) - if (*(error_message+offset) == ' ') - break; - if (png_ptr->flags&PNG_FLAG_STRIP_ERROR_TEXT) - { - int i; - for (i=0; iflags&PNG_FLAG_STRIP_ERROR_TEXT) - { - msg[0]='0'; - msg[1]='\0'; - error_message=msg; - } + if (*error_message == '#') + { + int offset; + for (offset=1; offset<15; offset++) + if (*(error_message+offset) == ' ') + break; + if (png_ptr->flags&PNG_FLAG_STRIP_ERROR_TEXT) + { + int i; + for (i=0; iflags&PNG_FLAG_STRIP_ERROR_TEXT) + { + msg[0]='0'; + msg[1]='\0'; + error_message=msg; + } + } } } #endif @@ -80,19 +85,23 @@ void PNGAPI png_warning(png_structp png_ptr, png_const_charp warning_message) { int offset = 0; -#ifdef PNG_ERROR_NUMBERS_SUPPORTED - if (png_ptr->flags&(PNG_FLAG_STRIP_ERROR_NUMBERS|PNG_FLAG_STRIP_ERROR_TEXT)) -#endif + if (png_ptr != NULL) { - if (*warning_message == '#') +#ifdef PNG_ERROR_NUMBERS_SUPPORTED + if (png_ptr->flags& + (PNG_FLAG_STRIP_ERROR_NUMBERS|PNG_FLAG_STRIP_ERROR_TEXT)) +#endif { - for (offset=1; offset<15; offset++) - if (*(warning_message+offset) == ' ') - break; + if (*warning_message == '#') + { + for (offset=1; offset<15; offset++) + if (*(warning_message+offset) == ' ') + break; + } } + if (png_ptr != NULL && png_ptr->warning_fn != NULL) + (*(png_ptr->warning_fn))(png_ptr, warning_message+offset); } - if (png_ptr != NULL && png_ptr->warning_fn != NULL) - (*(png_ptr->warning_fn))(png_ptr, warning_message+offset); else png_default_warning(png_ptr, warning_message+offset); } @@ -146,6 +155,8 @@ void PNGAPI 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); } @@ -154,6 +165,8 @@ void PNGAPI 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); } @@ -265,6 +278,8 @@ void PNGAPI png_set_error_fn(png_structp png_ptr, png_voidp error_ptr, png_error_ptr error_fn, png_error_ptr warning_fn) { + if (png_ptr == NULL) + return; png_ptr->error_ptr = error_ptr; png_ptr->error_fn = error_fn; png_ptr->warning_fn = warning_fn; @@ -278,6 +293,8 @@ png_set_error_fn(png_structp png_ptr, png_voidp error_ptr, png_voidp PNGAPI png_get_error_ptr(png_structp png_ptr) { + if (png_ptr == NULL) + return NULL; return ((png_voidp)png_ptr->error_ptr); } @@ -293,3 +310,4 @@ png_set_strip_error_numbers(png_structp png_ptr, png_uint_32 strip_mode) } } #endif +#endif /* PNG_READ_SUPPORTED || PNG_WRITE_SUPPORTED */ diff --git a/src/libs/png/pnggccrd.c b/src/libs/png/pnggccrd.c index 248e1b3bb4..8dc9c537ec 100644 --- a/src/libs/png/pnggccrd.c +++ b/src/libs/png/pnggccrd.c @@ -1,3 +1,4 @@ + /* pnggccrd.c - mixed C/assembler version of utilities to read a PNG file * * For Intel x86 CPU (Pentium-MMX or later) and GNU C compiler. @@ -6,9 +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. * - * libpng version 1.2.8 - December 3, 2004 + * Last changed in libpng 1.2.9 April 14, 2006 * For conditions of distribution and use, see copyright notice in png.h - * Copyright (c) 1998-2004 Glenn Randers-Pehrson + * Copyright (c) 1998-2006 Glenn Randers-Pehrson * Copyright (c) 1998, Intel Corporation * * Based on MSVC code contributed by Nirav Chhatrapati, Intel Corp., 1998. @@ -255,9 +256,10 @@ static const int FARDATA png_pass_width[7] = {8, 4, 4, 2, 2, 1, 1}; #endif #if defined(PNG_ASSEMBLER_CODE_SUPPORTED) -/* djgpp, Win32, and Cygwin add their own underscores to global variables, +/* djgpp, Win32, Cygwin, and OS2 add their own underscores to global variables, * so define them without: */ -#if defined(__DJGPP__) || defined(WIN32) || defined(__CYGWIN__) +#if defined(__DJGPP__) || defined(WIN32) || defined(__CYGWIN__) || \ + defined(__OS2__) # define _mmx_supported mmx_supported # define _const4 const4 # define _const6 const6 @@ -1737,6 +1739,7 @@ png_do_read_interlace(png_structp png_ptr) int dummy_value_c; // fix 'forbidden register spilled' int dummy_value_S; int dummy_value_D; + int dummy_value_a; __asm__ __volatile__ ( "subl $21, %%edi \n\t" @@ -1744,7 +1747,7 @@ png_do_read_interlace(png_structp png_ptr) ".loop3_pass0: \n\t" "movd (%%esi), %%mm0 \n\t" // x x x x x 2 1 0 - "pand _const4, %%mm0 \n\t" // z z z z z 2 1 0 + "pand (%3), %%mm0 \n\t" // z z z z z 2 1 0 "movq %%mm0, %%mm1 \n\t" // z z z z z 2 1 0 "psllq $16, %%mm0 \n\t" // z z z 2 1 0 z z "movq %%mm0, %%mm2 \n\t" // z z z 2 1 0 z z @@ -1769,12 +1772,14 @@ png_do_read_interlace(png_structp png_ptr) : "=c" (dummy_value_c), // output regs (dummy) "=S" (dummy_value_S), - "=D" (dummy_value_D) + "=D" (dummy_value_D), + "=a" (dummy_value_a) + : "1" (sptr), // esi // input regs "2" (dp), // edi "0" (width), // ecx - "rim" (_const4) // %1(?) (0x0000000000FFFFFFLL) + "3" (&_const4) // %1(?) (0x0000000000FFFFFFLL) #if 0 /* %mm0, ..., %mm4 not supported by gcc 2.7.2.3 or egcs 1.1 */ : "%mm0", "%mm1", "%mm2" // clobber list @@ -1787,6 +1792,7 @@ png_do_read_interlace(png_structp png_ptr) int dummy_value_c; // fix 'forbidden register spilled' int dummy_value_S; int dummy_value_D; + int dummy_value_a; __asm__ __volatile__ ( "subl $9, %%edi \n\t" @@ -1794,7 +1800,7 @@ png_do_read_interlace(png_structp png_ptr) ".loop3_pass2: \n\t" "movd (%%esi), %%mm0 \n\t" // x x x x x 2 1 0 - "pand _const4, %%mm0 \n\t" // z z z z z 2 1 0 + "pand (%3), %%mm0 \n\t" // z z z z z 2 1 0 "movq %%mm0, %%mm1 \n\t" // z z z z z 2 1 0 "psllq $16, %%mm0 \n\t" // z z z 2 1 0 z z "movq %%mm0, %%mm2 \n\t" // z z z 2 1 0 z z @@ -1813,12 +1819,13 @@ png_do_read_interlace(png_structp png_ptr) : "=c" (dummy_value_c), // output regs (dummy) "=S" (dummy_value_S), - "=D" (dummy_value_D) + "=D" (dummy_value_D), + "=a" (dummy_value_a) : "1" (sptr), // esi // input regs "2" (dp), // edi "0" (width), // ecx - "rim" (_const4) // (0x0000000000FFFFFFLL) + "3" (&_const4) // (0x0000000000FFFFFFLL) #if 0 /* %mm0, ..., %mm2 not supported by gcc 2.7.2.3 or egcs 1.1 */ : "%mm0", "%mm1", "%mm2" // clobber list @@ -1839,6 +1846,8 @@ png_do_read_interlace(png_structp png_ptr) int dummy_value_c; // fix 'forbidden register spilled' int dummy_value_S; int dummy_value_D; + int dummy_value_a; + int dummy_value_d; __asm__ __volatile__ ( "subl $3, %%esi \n\t" @@ -1850,14 +1859,14 @@ png_do_read_interlace(png_structp png_ptr) "movq %%mm0, %%mm1 \n\t" // x x 5 4 3 2 1 0 "movq %%mm0, %%mm2 \n\t" // x x 5 4 3 2 1 0 "psllq $24, %%mm0 \n\t" // 4 3 2 1 0 z z z - "pand _const4, %%mm1 \n\t" // z z z z z 2 1 0 + "pand (%3), %%mm1 \n\t" // z z z z z 2 1 0 "psrlq $24, %%mm2 \n\t" // z z z x x 5 4 3 "por %%mm1, %%mm0 \n\t" // 4 3 2 1 0 2 1 0 "movq %%mm2, %%mm3 \n\t" // z z z x x 5 4 3 "psllq $8, %%mm2 \n\t" // z z x x 5 4 3 z "movq %%mm0, (%%edi) \n\t" "psrlq $16, %%mm3 \n\t" // z z z z z x x 5 - "pand _const6, %%mm3 \n\t" // z z z z z z z 5 + "pand (%4), %%mm3 \n\t" // z z z z z z z 5 "por %%mm3, %%mm2 \n\t" // z z x x 5 4 3 5 "subl $6, %%esi \n\t" "movd %%mm2, 8(%%edi) \n\t" @@ -1868,13 +1877,15 @@ png_do_read_interlace(png_structp png_ptr) : "=c" (dummy_value_c), // output regs (dummy) "=S" (dummy_value_S), - "=D" (dummy_value_D) + "=D" (dummy_value_D), + "=a" (dummy_value_a), + "=d" (dummy_value_d) : "1" (sptr), // esi // input regs "2" (dp), // edi "0" (width_mmx), // ecx - "rim" (_const4), // 0x0000000000FFFFFFLL - "rim" (_const6) // 0x00000000000000FFLL + "3" (&_const4), // 0x0000000000FFFFFFLL + "4" (&_const6) // 0x00000000000000FFLL #if 0 /* %mm0, ..., %mm3 not supported by gcc 2.7.2.3 or egcs 1.1 */ : "%mm0", "%mm1" // clobber list @@ -5102,7 +5113,7 @@ png_read_filter_row(png_structp png_ptr, png_row_infop row_info, png_bytep case 1: sprintf(filnm, "sub-%s", #if defined(PNG_ASSEMBLER_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" : + (png_ptr->asm_flags & PNG_ASM_FLAG_MMX_READ_FILTER_SUB)? "MMX" : #endif #endif "x86"); @@ -5339,6 +5350,7 @@ int PNGAPI png_mmx_support(void) { #if defined(PNG_MMX_CODE_SUPPORTED) + int result; __asm__ __volatile__ ( "pushl %%ebx \n\t" // ebx gets clobbered by CPUID instruction "pushl %%ecx \n\t" // so does ecx... @@ -5380,7 +5392,6 @@ png_mmx_support(void) "0: \n\t" // .NOT_SUPPORTED: target label for jump instructions "movl $0, %%eax \n\t" // set return value to 0 "1: \n\t" // .RETURN: target label for jump instructions - "movl %%eax, _mmx_supported \n\t" // save in global static variable, too "popl %%edx \n\t" // restore edx "popl %%ecx \n\t" // restore ecx "popl %%ebx \n\t" // restore ebx @@ -5388,16 +5399,17 @@ png_mmx_support(void) // "ret \n\t" // DONE: no MMX support // (fall through to standard C "ret") - : // output list (none) + : "=a" (result) // output list : // any variables used on input (none) - : "%eax" // clobber list + // no clobber list // , "%ebx", "%ecx", "%edx" // GRR: we handle these manually // , "memory" // if write to a variable gcc thought was in a reg // , "cc" // "condition codes" (flag bits) ); -#else + _mmx_supported = result; +#else _mmx_supported = 0; #endif /* PNG_MMX_CODE_SUPPORTED */ diff --git a/src/libs/png/pngget.c b/src/libs/png/pngget.c index 8eefa7779e..df7658587e 100644 --- a/src/libs/png/pngget.c +++ b/src/libs/png/pngget.c @@ -1,9 +1,9 @@ /* pngget.c - retrieval of values from info struct * - * libpng 1.2.8 - December 3, 2004 + * Last changed in libpng 1.2.9 April 14, 2006 * For conditions of distribution and use, see copyright notice in png.h - * Copyright (c) 1998-2004 Glenn Randers-Pehrson + * Copyright (c) 1998-2006 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.) */ @@ -11,6 +11,8 @@ #define PNG_INTERNAL #include "png.h" +#if defined(PNG_READ_SUPPORTED) || defined(PNG_WRITE_SUPPORTED) + png_uint_32 PNGAPI png_get_valid(png_structp png_ptr, png_infop info_ptr, png_uint_32 flag) { @@ -916,6 +918,7 @@ png_get_mmx_rowbytes_threshold (png_structp png_ptr) return (png_uint_32)(png_ptr? png_ptr->mmx_rowbytes_threshold : 0L); } #endif /* ?PNG_ASSEMBLER_CODE_SUPPORTED */ +#endif /* ?PNG_1_0_X */ #ifdef PNG_SET_USER_LIMITS_SUPPORTED /* these functions were added to libpng 1.2.6 */ @@ -931,4 +934,4 @@ png_get_user_height_max (png_structp png_ptr) } #endif /* ?PNG_SET_USER_LIMITS_SUPPORTED */ -#endif /* ?PNG_1_0_X */ +#endif /* PNG_READ_SUPPORTED || PNG_WRITE_SUPPORTED */ diff --git a/src/libs/png/pngmem.c b/src/libs/png/pngmem.c index f1cb69395e..cfe3e0fded 100644 --- a/src/libs/png/pngmem.c +++ b/src/libs/png/pngmem.c @@ -1,9 +1,9 @@ /* pngmem.c - stub functions for memory allocation * - * libpng version 1.2.8 - December 3, 2004 + * Last changed in libpng 1.2.9 April 14, 2006 * For conditions of distribution and use, see copyright notice in png.h - * Copyright (c) 1998-2004 Glenn Randers-Pehrson + * Copyright (c) 1998-2006 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.) * @@ -17,6 +17,8 @@ #define PNG_INTERNAL #include "png.h" +#if defined(PNG_READ_SUPPORTED) || defined(PNG_WRITE_SUPPORTED) + /* Borland DOS special memory handler */ #if defined(__TURBOC__) && !defined(_Windows) && !defined(__FLAT__) /* if you change this, be sure to change the one in png.h also */ @@ -593,3 +595,4 @@ png_get_mem_ptr(png_structp png_ptr) return ((png_voidp)png_ptr->mem_ptr); } #endif /* PNG_USER_MEM_SUPPORTED */ +#endif /* PNG_READ_SUPPORTED || PNG_WRITE_SUPPORTED */ diff --git a/src/libs/png/pngpread.c b/src/libs/png/pngpread.c index 8c35faae44..7a0d13a78f 100644 --- a/src/libs/png/pngpread.c +++ b/src/libs/png/pngpread.c @@ -1,9 +1,9 @@ /* pngpread.c - read a png file in push mode * - * libpng version 1.2.8 - December 3, 2004 + * Last changed in libpng 1.2.11 - June 7, 2004 * For conditions of distribution and use, see copyright notice in png.h - * Copyright (c) 1998-2004 Glenn Randers-Pehrson + * Copyright (c) 1998-2006 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.) */ @@ -214,6 +214,10 @@ png_push_read_chunk(png_structp png_ptr, png_infop info_ptr) png_ptr->mode |= PNG_HAVE_CHUNK_HEADER; } + if (!png_memcmp(png_ptr->chunk_name, (png_bytep)png_IDAT, 4)) + if(png_ptr->mode & PNG_AFTER_IDAT) + png_ptr->mode |= PNG_HAVE_CHUNK_AFTER_IDAT; + if (!png_memcmp(png_ptr->chunk_name, png_IHDR, 4)) { if (png_ptr->push_length + 4 > png_ptr->buffer_size) @@ -281,8 +285,9 @@ png_push_read_chunk(png_structp png_ptr, png_infop info_ptr) if (png_ptr->mode & PNG_HAVE_IDAT) { - if (png_ptr->push_length == 0) - return; + if (!(png_ptr->mode & PNG_HAVE_CHUNK_AFTER_IDAT)) + if (png_ptr->push_length == 0) + return; if (png_ptr->mode & PNG_AFTER_IDAT) png_error(png_ptr, "Too many IDAT's found"); @@ -614,7 +619,7 @@ png_push_save_buffer(png_structp png_ptr) png_size_t new_max; png_bytep old_buffer; - if (png_ptr->save_buffer_size > PNG_SIZE_MAX - + if (png_ptr->save_buffer_size > PNG_SIZE_MAX - (png_ptr->current_buffer_size + 256)) { png_error(png_ptr, "Potential overflow of save_buffer"); diff --git a/src/libs/png/pngread.c b/src/libs/png/pngread.c index 5924333df3..28706aad6f 100644 --- a/src/libs/png/pngread.c +++ b/src/libs/png/pngread.c @@ -1,9 +1,9 @@ /* pngread.c - read a PNG file * - * libpng 1.2.8 - December 3, 2004 + * Last changed in libpng 1.2.11 June 7, 2006 * For conditions of distribution and use, see copyright notice in png.h - * Copyright (c) 1998-2004 Glenn Randers-Pehrson + * Copyright (c) 1998-2006 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.) * @@ -14,6 +14,8 @@ #define PNG_INTERNAL #include "png.h" +#if defined(PNG_READ_SUPPORTED) + /* Create a PNG structure for reading, and allocate any memory needed. */ png_structp PNGAPI png_create_read_struct(png_const_charp user_png_ver, png_voidp error_ptr, @@ -75,7 +77,7 @@ png_create_read_struct_2(png_const_charp user_png_ver, png_voidp error_ptr, png_free(png_ptr, png_ptr->zbuf); png_ptr->zbuf=NULL; #ifdef PNG_USER_MEM_SUPPORTED - png_destroy_struct_2((png_voidp)png_ptr, + png_destroy_struct_2((png_voidp)png_ptr, (png_free_ptr)free_fn, (png_voidp)mem_ptr); #else png_destroy_struct((png_voidp)png_ptr); @@ -169,10 +171,10 @@ png_create_read_struct_2(png_const_charp user_png_ver, png_voidp error_ptr, return (png_ptr); } +#if defined(PNG_1_0_X) || defined(PNG_1_2_X) /* Initialize PNG structure for reading, and allocate any memory needed. This interface is deprecated in favour of the png_create_read_struct(), - and it will eventually disappear. */ -#if defined(PNG_1_0_X) || defined (PNG_1_2_X) + and it will disappear as of libpng-1.3.0. */ #undef png_read_init void PNGAPI png_read_init(png_structp png_ptr) @@ -180,7 +182,6 @@ png_read_init(png_structp png_ptr) /* We only come here via pre-1.0.7-compiled applications */ png_read_init_2(png_ptr, "1.0.6 or earlier", 0, 0); } -#endif void PNGAPI png_read_init_2(png_structp png_ptr, png_const_charp user_png_ver, @@ -188,7 +189,7 @@ png_read_init_2(png_structp png_ptr, png_const_charp user_png_ver, { /* We only come here via pre-1.0.12-compiled applications */ #if !defined(PNG_NO_STDIO) && !defined(_WIN32_WCE) - if(png_sizeof(png_struct) > png_struct_size || + if(png_sizeof(png_struct) > png_struct_size || png_sizeof(png_info) > png_info_size) { char msg[80]; @@ -224,6 +225,7 @@ png_read_init_2(png_structp png_ptr, png_const_charp user_png_ver, } png_read_init_3(&png_ptr, user_png_ver, png_struct_size); } +#endif /* PNG_1_0_X || PNG_1_2_X */ void PNGAPI png_read_init_3(png_structpp ptr_ptr, png_const_charp user_png_ver, @@ -411,6 +413,10 @@ png_read_info(png_structp png_ptr, png_infop info_ptr) /* This should be a binary subdivision search or a hash for * matching the chunk name rather than a linear search. */ + if (!png_memcmp(png_ptr->chunk_name, (png_bytep)png_IDAT, 4)) + if(png_ptr->mode & PNG_AFTER_IDAT) + png_ptr->mode |= PNG_HAVE_CHUNK_AFTER_IDAT; + if (!png_memcmp(png_ptr->chunk_name, png_IHDR, 4)) png_handle_IHDR(png_ptr, info_ptr, length); else if (!png_memcmp(png_ptr->chunk_name, png_IEND, 4)) @@ -736,7 +742,7 @@ png_read_row(png_structp png_ptr, png_bytep row, png_bytep dsp_row) png_memcpy_check(png_ptr, png_ptr->prev_row, png_ptr->row_buf, png_ptr->rowbytes + 1); - + #if defined(PNG_MNG_FEATURES_SUPPORTED) if((png_ptr->mng_features_permitted & PNG_FLAG_MNG_FILTER_64) && (png_ptr->filter_type == PNG_INTRAPIXEL_DIFFERENCING)) @@ -806,7 +812,7 @@ png_read_row(png_structp png_ptr, png_bytep row, png_bytep dsp_row) * not called png_set_interlace_handling(), the display_row buffer will * be ignored, so pass NULL to it. * - * [*] png_handle_alpha() does not exist yet, as of libpng version 1.2.8 + * [*] png_handle_alpha() does not exist yet, as of this version of libpng */ void PNGAPI @@ -856,7 +862,7 @@ png_read_rows(png_structp png_ptr, png_bytepp row, * only call this function once. If you desire to have an image for * each pass of a interlaced image, use png_read_rows() instead. * - * [*] png_handle_alpha() does not exist yet, as of libpng version 1.2.8 + * [*] png_handle_alpha() does not exist yet, as of this version of libpng */ void PNGAPI png_read_image(png_structp png_ptr, png_bytepp image) @@ -983,11 +989,9 @@ png_read_end(png_structp png_ptr, png_infop info_ptr) { if (!png_memcmp(png_ptr->chunk_name, png_IDAT, 4)) { - if (length > 0 || png_ptr->mode & PNG_AFTER_IDAT) + if ((length > 0) || (png_ptr->mode & PNG_HAVE_CHUNK_AFTER_IDAT)) png_error(png_ptr, "Too many IDAT's found"); } - else - png_ptr->mode |= PNG_AFTER_IDAT; png_handle_unknown(png_ptr, info_ptr, length); if (!png_memcmp(png_ptr->chunk_name, png_PLTE, 4)) png_ptr->mode |= PNG_HAVE_PLTE; @@ -998,7 +1002,7 @@ png_read_end(png_structp png_ptr, png_infop info_ptr) /* Zero length IDATs are legal after the last IDAT has been * read, but not after other chunks have been read. */ - if (length > 0 || png_ptr->mode & PNG_AFTER_IDAT) + if ((length > 0) || (png_ptr->mode & PNG_HAVE_CHUNK_AFTER_IDAT)) png_error(png_ptr, "Too many IDAT's found"); png_crc_finish(png_ptr, length); } @@ -1452,5 +1456,6 @@ png_read_png(png_structp png_ptr, png_infop info_ptr, /* quiet compiler warnings */ return; } -#endif +#endif /* PNG_INFO_IMAGE_SUPPORTED */ #endif /* PNG_NO_SEQUENTIAL_READ_SUPPORTED */ +#endif /* PNG_READ_SUPPORTED */ diff --git a/src/libs/png/pngrio.c b/src/libs/png/pngrio.c index cae501a5ca..ce05cada75 100644 --- a/src/libs/png/pngrio.c +++ b/src/libs/png/pngrio.c @@ -1,9 +1,9 @@ /* pngrio.c - functions for data input * - * libpng 1.2.8 - December 3, 2004 + * Last changed in libpng 1.2.9 April 14, 2006 * For conditions of distribution and use, see copyright notice in png.h - * Copyright (c) 1998-2004 Glenn Randers-Pehrson + * Copyright (c) 1998-2006 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.) * @@ -18,6 +18,8 @@ #define PNG_INTERNAL #include "png.h" +#if defined(PNG_READ_SUPPORTED) + /* Read the data from whatever input you are using. The default routine reads from a file pointer. Note that this routine sometimes gets called with very small lengths, so you should implement some kind of simple @@ -67,7 +69,7 @@ png_default_read_data(png_structp png_ptr, png_bytep data, png_size_t length) #define NEAR_BUF_SIZE 1024 #define MIN(a,b) (a <= b ? a : b) -static void /* PRIVATE */ +static void PNGAPI png_default_read_data(png_structp png_ptr, png_bytep data, png_size_t length) { int check; @@ -159,3 +161,4 @@ png_set_read_fn(png_structp png_ptr, png_voidp io_ptr, png_ptr->output_flush_fn = NULL; #endif } +#endif /* PNG_READ_SUPPORTED */ diff --git a/src/libs/png/pngrtran.c b/src/libs/png/pngrtran.c index e1d6e3ce39..bd1f59787c 100644 --- a/src/libs/png/pngrtran.c +++ b/src/libs/png/pngrtran.c @@ -1,9 +1,9 @@ /* pngrtran.c - transforms the data in a row for PNG readers * - * libpng version 1.2.8 - December 3, 2004 + * Last changed in libpng 1.2.11 June 15, 2006 * For conditions of distribution and use, see copyright notice in png.h - * Copyright (c) 1998-2004 Glenn Randers-Pehrson + * Copyright (c) 1998-2006 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.) * @@ -16,6 +16,8 @@ #define PNG_INTERNAL #include "png.h" +#if defined(PNG_READ_SUPPORTED) + /* Set the action on getting a CRC error for an ancillary or critical chunk. */ void PNGAPI png_set_crc_action(png_structp png_ptr, int crit_action, int ancil_action) @@ -549,7 +551,7 @@ void PNGAPI png_set_expand(png_structp png_ptr) { png_debug(1, "in png_set_expand\n"); - png_ptr->transformations |= PNG_EXPAND; + png_ptr->transformations |= (PNG_EXPAND | PNG_EXPAND_tRNS); } /* GRR 19990627: the following three functions currently are identical @@ -564,30 +566,47 @@ png_set_expand(png_structp png_ptr) * * More to the point, these functions make it obvious what libpng will be * doing, whereas "expand" can (and does) mean any number of things. + * + * GRP 20060307: In libpng-1.4.0, png_set_gray_1_2_4_to_8() was modified + * to expand only the sample depth but not to expand the tRNS to alpha. */ /* Expand paletted images to RGB. */ void PNGAPI png_set_palette_to_rgb(png_structp png_ptr) { - png_debug(1, "in png_set_expand\n"); - png_ptr->transformations |= PNG_EXPAND; + png_debug(1, "in png_set_palette_to_rgb\n"); + png_ptr->transformations |= (PNG_EXPAND | PNG_EXPAND_tRNS); } +#if !defined(PNG_1_0_X) /* Expand grayscale images of less than 8-bit depth to 8 bits. */ 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; +} +#endif + +#if defined(PNG_1_0_X) || defined(PNG_1_2_X) +/* Expand grayscale images of less than 8-bit depth to 8 bits. */ +/* Deprecated as of libpng-1.2.9 */ +void PNGAPI png_set_gray_1_2_4_to_8(png_structp png_ptr) { - png_debug(1, "in png_set_expand\n"); - png_ptr->transformations |= PNG_EXPAND; + png_debug(1, "in png_set_gray_1_2_4_to_8\n"); + png_ptr->transformations |= (PNG_EXPAND | PNG_EXPAND_tRNS); } +#endif + /* Expand tRNS chunks to alpha channels. */ void PNGAPI png_set_tRNS_to_alpha(png_structp png_ptr) { png_debug(1, "in png_set_expand\n"); - png_ptr->transformations |= PNG_EXPAND; + png_ptr->transformations |= (PNG_EXPAND | PNG_EXPAND_tRNS); } #endif /* defined(PNG_READ_EXPAND_SUPPORTED) */ @@ -705,23 +724,41 @@ png_init_read_transformations(png_structp png_ptr) { if (!(color_type & PNG_COLOR_MASK_COLOR)) /* i.e., GRAY or GRAY_ALPHA */ { - /* expand background chunk. */ + /* expand background and tRNS chunks */ switch (png_ptr->bit_depth) { case 1: png_ptr->background.gray *= (png_uint_16)0xff; png_ptr->background.red = png_ptr->background.green = png_ptr->background.blue = png_ptr->background.gray; + if (!(png_ptr->transformations & PNG_EXPAND_tRNS)) + { + png_ptr->trans_values.gray *= (png_uint_16)0xff; + png_ptr->trans_values.red = png_ptr->trans_values.green + = png_ptr->trans_values.blue = png_ptr->trans_values.gray; + } break; case 2: png_ptr->background.gray *= (png_uint_16)0x55; png_ptr->background.red = png_ptr->background.green = png_ptr->background.blue = png_ptr->background.gray; + if (!(png_ptr->transformations & PNG_EXPAND_tRNS)) + { + png_ptr->trans_values.gray *= (png_uint_16)0x55; + png_ptr->trans_values.red = png_ptr->trans_values.green + = png_ptr->trans_values.blue = png_ptr->trans_values.gray; + } break; case 4: png_ptr->background.gray *= (png_uint_16)0x11; png_ptr->background.red = png_ptr->background.green = png_ptr->background.blue = png_ptr->background.gray; + if (!(png_ptr->transformations & PNG_EXPAND_tRNS)) + { + png_ptr->trans_values.gray *= (png_uint_16)0x11; + png_ptr->trans_values.red = png_ptr->trans_values.green + = png_ptr->trans_values.blue = png_ptr->trans_values.gray; + } break; case 8: case 16: @@ -743,7 +780,7 @@ png_init_read_transformations(png_structp png_ptr) if (png_ptr->transformations & PNG_INVERT_ALPHA) { #if defined(PNG_READ_EXPAND_SUPPORTED) - if (!(png_ptr->transformations & PNG_EXPAND)) + if (!(png_ptr->transformations & PNG_EXPAND_tRNS)) #endif { /* invert the alpha channel (in tRNS) unless the pixels are @@ -780,7 +817,8 @@ png_init_read_transformations(png_structp png_ptr) png_ptr->transformations &= (~PNG_GAMMA); } - if (png_ptr->transformations & (PNG_GAMMA | PNG_RGB_TO_GRAY)) + if ((png_ptr->transformations & (PNG_GAMMA | PNG_RGB_TO_GRAY)) && + png_ptr->gamma != 0.0) { png_build_gamma_table(png_ptr); #if defined(PNG_READ_BACKGROUND_SUPPORTED) @@ -788,7 +826,7 @@ png_init_read_transformations(png_structp png_ptr) { if (color_type == PNG_COLOR_TYPE_PALETTE) { - /* could skip if no transparency and + /* could skip if no transparency and */ png_color back, back_1; png_colorp palette = png_ptr->palette; @@ -1042,7 +1080,7 @@ png_read_transform_info(png_structp png_ptr, png_infop info_ptr) { if (info_ptr->color_type == PNG_COLOR_TYPE_PALETTE) { - if (png_ptr->num_trans) + if (png_ptr->num_trans && (png_ptr->transformations & PNG_EXPAND_tRNS)) info_ptr->color_type = PNG_COLOR_TYPE_RGB_ALPHA; else info_ptr->color_type = PNG_COLOR_TYPE_RGB; @@ -1052,7 +1090,12 @@ png_read_transform_info(png_structp png_ptr, png_infop info_ptr) else { if (png_ptr->num_trans) - info_ptr->color_type |= PNG_COLOR_MASK_ALPHA; + { + if (png_ptr->transformations & PNG_EXPAND_tRNS) + info_ptr->color_type |= PNG_COLOR_MASK_ALPHA; + else + info_ptr->color_type |= PNG_COLOR_MASK_COLOR; + } if (info_ptr->bit_depth < 8) info_ptr->bit_depth = 8; info_ptr->num_trans = 0; @@ -1086,6 +1129,16 @@ png_read_transform_info(png_structp png_ptr, png_infop info_ptr) info_ptr->bit_depth = 8; #endif +#if defined(PNG_READ_GRAY_TO_RGB_SUPPORTED) + if (png_ptr->transformations & PNG_GRAY_TO_RGB) + info_ptr->color_type |= PNG_COLOR_MASK_COLOR; +#endif + +#if defined(PNG_READ_RGB_TO_GRAY_SUPPORTED) + if (png_ptr->transformations & PNG_RGB_TO_GRAY) + info_ptr->color_type &= ~PNG_COLOR_MASK_COLOR; +#endif + #if defined(PNG_READ_DITHER_SUPPORTED) if (png_ptr->transformations & PNG_DITHER) { @@ -1103,16 +1156,6 @@ png_read_transform_info(png_structp png_ptr, png_infop info_ptr) info_ptr->bit_depth = 8; #endif -#if defined(PNG_READ_GRAY_TO_RGB_SUPPORTED) - if (png_ptr->transformations & PNG_GRAY_TO_RGB) - info_ptr->color_type |= PNG_COLOR_MASK_COLOR; -#endif - -#if defined(PNG_READ_RGB_TO_GRAY_SUPPORTED) - if (png_ptr->transformations & PNG_RGB_TO_GRAY) - info_ptr->color_type &= ~PNG_COLOR_MASK_COLOR; -#endif - if (info_ptr->color_type == PNG_COLOR_TYPE_PALETTE) info_ptr->channels = 1; else if (info_ptr->color_type & PNG_COLOR_MASK_COLOR) @@ -1198,7 +1241,7 @@ png_do_read_transformations(png_structp png_ptr) } else { - if (png_ptr->num_trans) + if (png_ptr->num_trans && (png_ptr->transformations & PNG_EXPAND_tRNS)) png_do_expand(&(png_ptr->row_info), png_ptr->row_buf + 1, &(png_ptr->trans_values)); else @@ -3601,8 +3644,8 @@ png_do_expand_palette(png_row_infop row_info, png_bytep row, } } -/* If the bit depth < 8, it is expanded to 8. Also, if the - * transparency value is supplied, an alpha channel is built. +/* If the bit depth < 8, it is expanded to 8. Also, if the already + * expanded transparency value is supplied, an alpha channel is built. */ void /* PRIVATE */ png_do_expand(png_row_infop row_info, png_bytep row, @@ -3895,7 +3938,7 @@ 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[] = - {0x10, 0x21, 0x42, 0x84, 0x110, 0x248, 0x550, 0xff0}; + {0x10, 0x21, 0x42, 0x84, 0x110, 0x248, 0x550, 0xff0, 0x00}; /* We build the 8- or 16-bit gamma tables here. Note that for 16-bit * tables, we don't make a full table if we are reducing to 8-bit in @@ -3906,210 +3949,208 @@ void /* PRIVATE */ png_build_gamma_table(png_structp png_ptr) { png_debug(1, "in png_build_gamma_table\n"); - if(png_ptr->gamma != 0.0) + + if (png_ptr->bit_depth <= 8) { - if (png_ptr->bit_depth <= 8) - { - int i; - double g; + int i; + double g; - if (png_ptr->screen_gamma > .000001) - g = 1.0 / (png_ptr->gamma * png_ptr->screen_gamma); - else - g = 1.0; + if (png_ptr->screen_gamma > .000001) + g = 1.0 / (png_ptr->gamma * png_ptr->screen_gamma); + else + g = 1.0; - png_ptr->gamma_table = (png_bytep)png_malloc(png_ptr, - (png_uint_32)256); + png_ptr->gamma_table = (png_bytep)png_malloc(png_ptr, + (png_uint_32)256); - for (i = 0; i < 256; i++) - { - png_ptr->gamma_table[i] = (png_byte)(pow((double)i / 255.0, - g) * 255.0 + .5); - } + for (i = 0; i < 256; i++) + { + png_ptr->gamma_table[i] = (png_byte)(pow((double)i / 255.0, + g) * 255.0 + .5); + } #if defined(PNG_READ_BACKGROUND_SUPPORTED) || \ - defined(PNG_READ_RGB_TO_GRAY_SUPPORTED) - if (png_ptr->transformations & ((PNG_BACKGROUND) | PNG_RGB_TO_GRAY)) - { + defined(PNG_READ_RGB_TO_GRAY_SUPPORTED) + if (png_ptr->transformations & ((PNG_BACKGROUND) | PNG_RGB_TO_GRAY)) + { - g = 1.0 / (png_ptr->gamma); + g = 1.0 / (png_ptr->gamma); - png_ptr->gamma_to_1 = (png_bytep)png_malloc(png_ptr, - (png_uint_32)256); + png_ptr->gamma_to_1 = (png_bytep)png_malloc(png_ptr, + (png_uint_32)256); - for (i = 0; i < 256; i++) - { - png_ptr->gamma_to_1[i] = (png_byte)(pow((double)i / 255.0, - g) * 255.0 + .5); - } + for (i = 0; i < 256; i++) + { + png_ptr->gamma_to_1[i] = (png_byte)(pow((double)i / 255.0, + g) * 255.0 + .5); + } - png_ptr->gamma_from_1 = (png_bytep)png_malloc(png_ptr, - (png_uint_32)256); + png_ptr->gamma_from_1 = (png_bytep)png_malloc(png_ptr, + (png_uint_32)256); - if(png_ptr->screen_gamma > 0.000001) - g = 1.0 / png_ptr->screen_gamma; - else - g = png_ptr->gamma; /* probably doing rgb_to_gray */ + if(png_ptr->screen_gamma > 0.000001) + g = 1.0 / png_ptr->screen_gamma; + else + g = png_ptr->gamma; /* probably doing rgb_to_gray */ - for (i = 0; i < 256; i++) - { - png_ptr->gamma_from_1[i] = (png_byte)(pow((double)i / 255.0, - g) * 255.0 + .5); + for (i = 0; i < 256; i++) + { + png_ptr->gamma_from_1[i] = (png_byte)(pow((double)i / 255.0, + g) * 255.0 + .5); - } - } + } + } #endif /* PNG_READ_BACKGROUND_SUPPORTED || PNG_RGB_TO_GRAY_SUPPORTED */ - } - else - { - double g; - int i, j, shift, num; - int sig_bit; - png_uint_32 ig; + } + else + { + double g; + int i, j, shift, num; + int sig_bit; + png_uint_32 ig; - if (png_ptr->color_type & PNG_COLOR_MASK_COLOR) - { - sig_bit = (int)png_ptr->sig_bit.red; - if ((int)png_ptr->sig_bit.green > sig_bit) - sig_bit = png_ptr->sig_bit.green; - if ((int)png_ptr->sig_bit.blue > sig_bit) - sig_bit = png_ptr->sig_bit.blue; - } - else - { - sig_bit = (int)png_ptr->sig_bit.gray; - } + if (png_ptr->color_type & PNG_COLOR_MASK_COLOR) + { + sig_bit = (int)png_ptr->sig_bit.red; + if ((int)png_ptr->sig_bit.green > sig_bit) + sig_bit = png_ptr->sig_bit.green; + if ((int)png_ptr->sig_bit.blue > sig_bit) + sig_bit = png_ptr->sig_bit.blue; + } + else + { + sig_bit = (int)png_ptr->sig_bit.gray; + } - if (sig_bit > 0) - shift = 16 - sig_bit; - else - shift = 0; + if (sig_bit > 0) + shift = 16 - sig_bit; + else + shift = 0; - if (png_ptr->transformations & PNG_16_TO_8) - { - if (shift < (16 - PNG_MAX_GAMMA_8)) - shift = (16 - PNG_MAX_GAMMA_8); - } + if (png_ptr->transformations & PNG_16_TO_8) + { + if (shift < (16 - PNG_MAX_GAMMA_8)) + shift = (16 - PNG_MAX_GAMMA_8); + } - if (shift > 8) - shift = 8; - if (shift < 0) - shift = 0; + if (shift > 8) + shift = 8; + if (shift < 0) + shift = 0; - png_ptr->gamma_shift = (png_byte)shift; + png_ptr->gamma_shift = (png_byte)shift; - num = (1 << (8 - shift)); + num = (1 << (8 - shift)); - if (png_ptr->screen_gamma > .000001) - g = 1.0 / (png_ptr->gamma * png_ptr->screen_gamma); - else - g = 1.0; + if (png_ptr->screen_gamma > .000001) + g = 1.0 / (png_ptr->gamma * png_ptr->screen_gamma); + else + g = 1.0; - png_ptr->gamma_16_table = (png_uint_16pp)png_malloc(png_ptr, - (png_uint_32)(num * png_sizeof (png_uint_16p))); + png_ptr->gamma_16_table = (png_uint_16pp)png_malloc(png_ptr, + (png_uint_32)(num * png_sizeof (png_uint_16p))); - if (png_ptr->transformations & (PNG_16_TO_8 | PNG_BACKGROUND)) - { - double fin, fout; - png_uint_32 last, max; + if (png_ptr->transformations & (PNG_16_TO_8 | PNG_BACKGROUND)) + { + double fin, fout; + png_uint_32 last, max; - for (i = 0; i < num; i++) - { - png_ptr->gamma_16_table[i] = (png_uint_16p)png_malloc(png_ptr, - (png_uint_32)(256 * png_sizeof (png_uint_16))); - } + for (i = 0; i < num; i++) + { + png_ptr->gamma_16_table[i] = (png_uint_16p)png_malloc(png_ptr, + (png_uint_32)(256 * png_sizeof (png_uint_16))); + } - g = 1.0 / g; - last = 0; - for (i = 0; i < 256; i++) - { - fout = ((double)i + 0.5) / 256.0; - fin = pow(fout, g); - max = (png_uint_32)(fin * (double)((png_uint_32)num << 8)); - while (last <= max) - { - png_ptr->gamma_16_table[(int)(last & (0xff >> shift))] - [(int)(last >> (8 - shift))] = (png_uint_16)( - (png_uint_16)i | ((png_uint_16)i << 8)); - last++; - } - } - while (last < ((png_uint_32)num << 8)) - { - png_ptr->gamma_16_table[(int)(last & (0xff >> shift))] - [(int)(last >> (8 - shift))] = (png_uint_16)65535L; - last++; - } - } - else - { - for (i = 0; i < num; i++) - { - png_ptr->gamma_16_table[i] = (png_uint_16p)png_malloc(png_ptr, - (png_uint_32)(256 * png_sizeof (png_uint_16))); + g = 1.0 / g; + last = 0; + for (i = 0; i < 256; i++) + { + fout = ((double)i + 0.5) / 256.0; + fin = pow(fout, g); + max = (png_uint_32)(fin * (double)((png_uint_32)num << 8)); + while (last <= max) + { + png_ptr->gamma_16_table[(int)(last & (0xff >> shift))] + [(int)(last >> (8 - shift))] = (png_uint_16)( + (png_uint_16)i | ((png_uint_16)i << 8)); + last++; + } + } + while (last < ((png_uint_32)num << 8)) + { + png_ptr->gamma_16_table[(int)(last & (0xff >> shift))] + [(int)(last >> (8 - shift))] = (png_uint_16)65535L; + last++; + } + } + else + { + for (i = 0; i < num; i++) + { + png_ptr->gamma_16_table[i] = (png_uint_16p)png_malloc(png_ptr, + (png_uint_32)(256 * png_sizeof (png_uint_16))); - ig = (((png_uint_32)i * (png_uint_32)png_gamma_shift[shift]) >> 4); - for (j = 0; j < 256; j++) - { - png_ptr->gamma_16_table[i][j] = - (png_uint_16)(pow((double)(ig + ((png_uint_32)j << 8)) / - 65535.0, g) * 65535.0 + .5); - } - } - } + ig = (((png_uint_32)i * (png_uint_32)png_gamma_shift[shift]) >> 4); + for (j = 0; j < 256; j++) + { + png_ptr->gamma_16_table[i][j] = + (png_uint_16)(pow((double)(ig + ((png_uint_32)j << 8)) / + 65535.0, g) * 65535.0 + .5); + } + } + } #if defined(PNG_READ_BACKGROUND_SUPPORTED) || \ - defined(PNG_READ_RGB_TO_GRAY_SUPPORTED) - if (png_ptr->transformations & (PNG_BACKGROUND | PNG_RGB_TO_GRAY)) - { + defined(PNG_READ_RGB_TO_GRAY_SUPPORTED) + if (png_ptr->transformations & (PNG_BACKGROUND | PNG_RGB_TO_GRAY)) + { - g = 1.0 / (png_ptr->gamma); + g = 1.0 / (png_ptr->gamma); - png_ptr->gamma_16_to_1 = (png_uint_16pp)png_malloc(png_ptr, - (png_uint_32)(num * png_sizeof (png_uint_16p ))); + png_ptr->gamma_16_to_1 = (png_uint_16pp)png_malloc(png_ptr, + (png_uint_32)(num * png_sizeof (png_uint_16p ))); - for (i = 0; i < num; i++) - { - png_ptr->gamma_16_to_1[i] = (png_uint_16p)png_malloc(png_ptr, - (png_uint_32)(256 * png_sizeof (png_uint_16))); + for (i = 0; i < num; i++) + { + png_ptr->gamma_16_to_1[i] = (png_uint_16p)png_malloc(png_ptr, + (png_uint_32)(256 * png_sizeof (png_uint_16))); - ig = (((png_uint_32)i * - (png_uint_32)png_gamma_shift[shift]) >> 4); - for (j = 0; j < 256; j++) - { - png_ptr->gamma_16_to_1[i][j] = - (png_uint_16)(pow((double)(ig + ((png_uint_32)j << 8)) / - 65535.0, g) * 65535.0 + .5); - } - } + ig = (((png_uint_32)i * + (png_uint_32)png_gamma_shift[shift]) >> 4); + for (j = 0; j < 256; j++) + { + png_ptr->gamma_16_to_1[i][j] = + (png_uint_16)(pow((double)(ig + ((png_uint_32)j << 8)) / + 65535.0, g) * 65535.0 + .5); + } + } - if(png_ptr->screen_gamma > 0.000001) - g = 1.0 / png_ptr->screen_gamma; - else - g = png_ptr->gamma; /* probably doing rgb_to_gray */ + if(png_ptr->screen_gamma > 0.000001) + g = 1.0 / png_ptr->screen_gamma; + else + g = png_ptr->gamma; /* probably doing rgb_to_gray */ - png_ptr->gamma_16_from_1 = (png_uint_16pp)png_malloc(png_ptr, - (png_uint_32)(num * png_sizeof (png_uint_16p))); + png_ptr->gamma_16_from_1 = (png_uint_16pp)png_malloc(png_ptr, + (png_uint_32)(num * png_sizeof (png_uint_16p))); - for (i = 0; i < num; i++) - { - png_ptr->gamma_16_from_1[i] = (png_uint_16p)png_malloc(png_ptr, - (png_uint_32)(256 * png_sizeof (png_uint_16))); + for (i = 0; i < num; i++) + { + png_ptr->gamma_16_from_1[i] = (png_uint_16p)png_malloc(png_ptr, + (png_uint_32)(256 * png_sizeof (png_uint_16))); - ig = (((png_uint_32)i * - (png_uint_32)png_gamma_shift[shift]) >> 4); - for (j = 0; j < 256; j++) - { - png_ptr->gamma_16_from_1[i][j] = - (png_uint_16)(pow((double)(ig + ((png_uint_32)j << 8)) / - 65535.0, g) * 65535.0 + .5); - } - } - } + ig = (((png_uint_32)i * + (png_uint_32)png_gamma_shift[shift]) >> 4); + for (j = 0; j < 256; j++) + { + png_ptr->gamma_16_from_1[i][j] = + (png_uint_16)(pow((double)(ig + ((png_uint_32)j << 8)) / + 65535.0, g) * 65535.0 + .5); + } + } + } #endif /* PNG_READ_BACKGROUND_SUPPORTED || PNG_RGB_TO_GRAY_SUPPORTED */ - } - } + } } #endif /* To do: install integer version of png_build_gamma_table here */ @@ -4175,3 +4216,4 @@ png_do_read_intrapixel(png_row_infop row_info, png_bytep row) } } #endif /* PNG_MNG_FEATURES_SUPPORTED */ +#endif /* PNG_READ_SUPPORTED */ diff --git a/src/libs/png/pngrutil.c b/src/libs/png/pngrutil.c index 99e466f18e..5b68b21e77 100644 --- a/src/libs/png/pngrutil.c +++ b/src/libs/png/pngrutil.c @@ -1,8 +1,9 @@ + /* pngrutil.c - utilities to read a PNG file * - * libpng version 1.2.8 - December 3, 2004 + * Last changed in libpng 1.2.11 June 4, 2006 * For conditions of distribution and use, see copyright notice in png.h - * Copyright (c) 1998-2004 Glenn Randers-Pehrson + * Copyright (c) 1998-2006 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.) * @@ -13,6 +14,8 @@ #define PNG_INTERNAL #include "png.h" +#if defined(PNG_READ_SUPPORTED) + #if defined(_WIN32_WCE) /* strtod() function is not supported on WindowsCE */ # ifdef PNG_FLOATING_POINT_SUPPORTED @@ -37,17 +40,17 @@ __inline double strtod(const char *nptr, char **endptr) # endif #endif -png_uint_32 /* PRIVATE */ +png_uint_32 PNGAPI png_get_uint_31(png_structp png_ptr, png_bytep buf) { png_uint_32 i = png_get_uint_32(buf); if (i > PNG_UINT_31_MAX) - png_error(png_ptr, "PNG unsigned integer out of range.\n"); + png_error(png_ptr, "PNG unsigned integer out of range."); return (i); } #ifndef PNG_READ_BIG_ENDIAN_SUPPORTED /* Grab an unsigned 32-bit integer from a buffer in big-endian format. */ -png_uint_32 /* PRIVATE */ +png_uint_32 PNGAPI png_get_uint_32(png_bytep buf) { png_uint_32 i = ((png_uint_32)(*buf) << 24) + @@ -58,11 +61,10 @@ png_get_uint_32(png_bytep buf) return (i); } -#if defined(PNG_READ_pCAL_SUPPORTED) || defined(PNG_READ_oFFs_SUPPORTED) /* Grab a signed 32-bit integer from a buffer in big-endian format. The * data is stored in the PNG file in two's complement format, and it is * assumed that the machine format for signed integers is the same. */ -png_int_32 /* PRIVATE */ +png_int_32 PNGAPI png_get_int_32(png_bytep buf) { png_int_32 i = ((png_int_32)(*buf) << 24) + @@ -72,10 +74,9 @@ png_get_int_32(png_bytep buf) return (i); } -#endif /* PNG_READ_pCAL_SUPPORTED */ /* Grab an unsigned 16-bit integer from a buffer in big-endian format. */ -png_uint_16 /* PRIVATE */ +png_uint_16 PNGAPI png_get_uint_16(png_bytep buf) { png_uint_16 i = (png_uint_16)(((png_uint_16)(*buf) << 8) + @@ -275,7 +276,7 @@ png_decompress_chunk(png_structp png_ptr, int comp_type, if (ret != Z_STREAM_END) { #if !defined(PNG_NO_STDIO) && !defined(_WIN32_WCE) - char umsg[50]; + char umsg[52]; if (ret == Z_BUF_ERROR) sprintf(umsg,"Buffer error in compressed datastream in %s chunk", @@ -619,7 +620,7 @@ png_handle_gAMA(png_structp png_ptr, png_infop info_ptr, png_uint_32 length) } #if defined(PNG_READ_sRGB_SUPPORTED) - if (info_ptr->valid & PNG_INFO_sRGB) + if (info_ptr != NULL && (info_ptr->valid & PNG_INFO_sRGB)) if (PNG_OUT_OF_RANGE(igamma, 45500L, 500)) { png_warning(png_ptr, @@ -777,8 +778,7 @@ png_handle_cHRM(png_structp png_ptr, png_infop info_ptr, png_uint_32 length) png_crc_read(png_ptr, buf, 4); uint_y = png_get_uint_32(buf); - if (uint_x > 80000L || uint_y > 80000L || - uint_x + uint_y > 100000L) + if (uint_x + uint_y > 100000L) { png_warning(png_ptr, "Invalid cHRM red point"); png_crc_finish(png_ptr, 16); @@ -793,8 +793,7 @@ png_handle_cHRM(png_structp png_ptr, png_infop info_ptr, png_uint_32 length) png_crc_read(png_ptr, buf, 4); uint_y = png_get_uint_32(buf); - if (uint_x > 80000L || uint_y > 80000L || - uint_x + uint_y > 100000L) + if (uint_x + uint_y > 100000L) { png_warning(png_ptr, "Invalid cHRM green point"); png_crc_finish(png_ptr, 8); @@ -809,8 +808,7 @@ png_handle_cHRM(png_structp png_ptr, png_infop info_ptr, png_uint_32 length) png_crc_read(png_ptr, buf, 4); uint_y = png_get_uint_32(buf); - if (uint_x > 80000L || uint_y > 80000L || - uint_x + uint_y > 100000L) + if (uint_x + uint_y > 100000L) { png_warning(png_ptr, "Invalid cHRM blue point"); png_crc_finish(png_ptr, 0); @@ -831,7 +829,7 @@ png_handle_cHRM(png_structp png_ptr, png_infop info_ptr, png_uint_32 length) #endif #if defined(PNG_READ_sRGB_SUPPORTED) - if (info_ptr->valid & PNG_INFO_sRGB) + if ((info_ptr != NULL) && (info_ptr->valid & PNG_INFO_sRGB)) { if (PNG_OUT_OF_RANGE(int_x_white, 31270, 1000) || PNG_OUT_OF_RANGE(int_y_white, 32900, 1000) || @@ -842,7 +840,6 @@ png_handle_cHRM(png_structp png_ptr, png_infop info_ptr, png_uint_32 length) PNG_OUT_OF_RANGE(int_x_blue, 15000, 1000) || PNG_OUT_OF_RANGE(int_y_blue, 6000, 1000)) { - png_warning(png_ptr, "Ignoring incorrect cHRM value when sRGB is also present"); #ifndef PNG_NO_CONSOLE_IO @@ -926,7 +923,7 @@ png_handle_sRGB(png_structp png_ptr, png_infop info_ptr, png_uint_32 length) } #if defined(PNG_READ_gAMA_SUPPORTED) && defined(PNG_READ_GAMMA_SUPPORTED) - if ((info_ptr->valid & PNG_INFO_gAMA)) + if (info_ptr != NULL && (info_ptr->valid & PNG_INFO_gAMA)) { png_fixed_point igamma; #ifdef PNG_FIXED_POINT_SUPPORTED @@ -955,7 +952,7 @@ png_handle_sRGB(png_structp png_ptr, png_infop info_ptr, png_uint_32 length) #ifdef PNG_READ_cHRM_SUPPORTED #ifdef PNG_FIXED_POINT_SUPPORTED - if (info_ptr->valid & PNG_INFO_cHRM) + if (info_ptr != NULL && (info_ptr->valid & PNG_INFO_cHRM)) if (PNG_OUT_OF_RANGE(info_ptr->int_x_white, 31270, 1000) || PNG_OUT_OF_RANGE(info_ptr->int_y_white, 32900, 1000) || PNG_OUT_OF_RANGE(info_ptr->int_x_red, 64000L, 1000) || @@ -1079,7 +1076,7 @@ png_handle_iCCP(png_structp png_ptr, png_infop info_ptr, png_uint_32 length) if(profile_size > profile_length) { png_free(png_ptr, chunkdata); - png_warning(png_ptr, "Ignoring truncated iCCP profile.\n"); + png_warning(png_ptr, "Ignoring truncated iCCP profile."); return; } @@ -1160,7 +1157,7 @@ png_handle_sPLT(png_structp png_ptr, png_infop info_ptr, png_uint_32 length) return; } - new_palette.nentries = (png_uint_32) (data_length / entry_size); + new_palette.nentries = (png_int_32) ( data_length / entry_size); if ((png_uint_32) new_palette.nentries > (png_uint_32) (PNG_SIZE_MAX / png_sizeof(png_sPLT_entry))) { @@ -2170,7 +2167,8 @@ png_handle_unknown(png_structp png_ptr, png_infop info_ptr, png_uint_32 length) } #if defined(PNG_READ_UNKNOWN_CHUNKS_SUPPORTED) - if (png_ptr->flags & PNG_FLAG_KEEP_UNKNOWN_CHUNKS) + if ((png_ptr->flags & PNG_FLAG_KEEP_UNKNOWN_CHUNKS) || + (png_ptr->read_user_chunk_fn != NULL)) { png_unknown_chunk chunk; @@ -3122,3 +3120,4 @@ defined(PNG_USER_TRANSFORM_PTR_SUPPORTED) png_ptr->flags |= PNG_FLAG_ROW_INIT; } +#endif /* PNG_READ_SUPPORTED */ diff --git a/src/libs/png/pngset.c b/src/libs/png/pngset.c index 5922cad0c5..9e499c9bcd 100644 --- a/src/libs/png/pngset.c +++ b/src/libs/png/pngset.c @@ -1,9 +1,9 @@ /* pngset.c - storage of image information into info struct * - * libpng 1.2.8 - December 3, 2004 + * Last changed in libpng 1.2.9 April 14, 2006 * For conditions of distribution and use, see copyright notice in png.h - * Copyright (c) 1998-2004 Glenn Randers-Pehrson + * Copyright (c) 1998-2006 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.) * @@ -16,6 +16,8 @@ #define PNG_INTERNAL #include "png.h" +#if defined(PNG_READ_SUPPORTED) || defined(PNG_WRITE_SUPPORTED) + #if defined(PNG_bKGD_SUPPORTED) void PNGAPI png_set_bKGD(png_structp png_ptr, png_infop info_ptr, png_color_16p background) @@ -100,6 +102,7 @@ png_set_cHRM_fixed(png_structp png_ptr, png_infop info_ptr, "Ignoring attempt to set negative chromaticity value"); return; } +#ifdef PNG_FLOATING_POINT_SUPPORTED if (white_x > (double) PNG_UINT_31_MAX || white_y > (double) PNG_UINT_31_MAX || red_x > (double) PNG_UINT_31_MAX || @@ -108,6 +111,16 @@ png_set_cHRM_fixed(png_structp png_ptr, png_infop info_ptr, green_y > (double) PNG_UINT_31_MAX || blue_x > (double) PNG_UINT_31_MAX || blue_y > (double) PNG_UINT_31_MAX) +#else + if (white_x > (png_fixed_point) PNG_UINT_31_MAX/100000L || + white_y > (png_fixed_point) PNG_UINT_31_MAX/100000L || + red_x > (png_fixed_point) PNG_UINT_31_MAX/100000L || + red_y > (png_fixed_point) PNG_UINT_31_MAX/100000L || + green_x > (png_fixed_point) PNG_UINT_31_MAX/100000L || + green_y > (png_fixed_point) PNG_UINT_31_MAX/100000L || + blue_x > (png_fixed_point) PNG_UINT_31_MAX/100000L || + blue_y > (png_fixed_point) PNG_UINT_31_MAX/100000L) +#endif { png_warning(png_ptr, "Ignoring attempt to set chromaticity value exceeding 21474.83"); @@ -209,19 +222,21 @@ png_set_hIST(png_structp png_ptr, png_infop info_ptr, png_uint_16p hist) png_debug1(1, "in %s storage function\n", "hIST"); if (png_ptr == NULL || info_ptr == NULL) return; - if (info_ptr->num_palette == 0) + if (info_ptr->num_palette <= 0 || info_ptr->num_palette + > PNG_MAX_PALETTE_LENGTH) { png_warning(png_ptr, - "Palette size 0, hIST allocation skipped."); + "Invalid palette size, hIST allocation skipped."); return; } #ifdef PNG_FREE_ME_SUPPORTED png_free_data(png_ptr, info_ptr, PNG_FREE_HIST, 0); #endif - /* Changed from info->num_palette to 256 in version 1.2.1 */ + /* Changed from info->num_palette to PNG_MAX_PALETTE_LENGTH in version + 1.2.1 */ png_ptr->hist = (png_uint_16p)png_malloc_warn(png_ptr, - (png_uint_32)(256 * png_sizeof (png_uint_16))); + (png_uint_32)(PNG_MAX_PALETTE_LENGTH * png_sizeof (png_uint_16))); if (png_ptr->hist == NULL) { png_warning(png_ptr, "Insufficient memory for hIST chunk data."); @@ -303,13 +318,13 @@ png_set_IHDR(png_structp png_ptr, png_infop info_ptr, * 5. The color_type is RGB or RGBA */ if((png_ptr->mode&PNG_HAVE_PNG_SIGNATURE)&&png_ptr->mng_features_permitted) - png_warning(png_ptr,"MNG features are not allowed in a PNG datastream\n"); + png_warning(png_ptr,"MNG features are not allowed in a PNG datastream"); if(filter_type != PNG_FILTER_TYPE_BASE) { if(!((png_ptr->mng_features_permitted & PNG_FLAG_MNG_FILTER_64) && (filter_type == PNG_INTRAPIXEL_DIFFERENCING) && ((png_ptr->mode&PNG_HAVE_PNG_SIGNATURE) == 0) && - (color_type == PNG_COLOR_TYPE_RGB || + (color_type == PNG_COLOR_TYPE_RGB || color_type == PNG_COLOR_TYPE_RGB_ALPHA))) png_error(png_ptr, "Unknown filter method in IHDR"); if(png_ptr->mode&PNG_HAVE_PNG_SIGNATURE) @@ -517,6 +532,17 @@ png_set_PLTE(png_structp png_ptr, png_infop info_ptr, if (png_ptr == NULL || info_ptr == NULL) return; + if (num_palette < 0 || num_palette > PNG_MAX_PALETTE_LENGTH) + { + if (info_ptr->color_type == PNG_COLOR_TYPE_PALETTE) + png_error(png_ptr, "Invalid palette length"); + else + { + png_warning(png_ptr, "Invalid palette length"); + return; + } + } + /* * It may not actually be necessary to set png_ptr->palette here; * we do it for backward compatibility with the way the png_handle_tRNS @@ -526,11 +552,13 @@ png_set_PLTE(png_structp png_ptr, png_infop info_ptr, png_free_data(png_ptr, info_ptr, PNG_FREE_PLTE, 0); #endif - /* Changed in libpng-1.2.1 to allocate 256 instead of num_palette entries, + /* Changed in libpng-1.2.1 to allocate PNG_MAX_PALETTE_LENGTH instead + of num_palette entries, in case of an invalid PNG file that has too-large sample values. */ png_ptr->palette = (png_colorp)png_malloc(png_ptr, - 256 * png_sizeof(png_color)); - png_memset(png_ptr->palette, 0, 256 * png_sizeof(png_color)); + PNG_MAX_PALETTE_LENGTH * png_sizeof(png_color)); + png_memset(png_ptr->palette, 0, PNG_MAX_PALETTE_LENGTH * + png_sizeof(png_color)); png_memcpy(png_ptr->palette, palette, num_palette * png_sizeof (png_color)); info_ptr->palette = png_ptr->palette; info_ptr->num_palette = png_ptr->num_palette = (png_uint_16)num_palette; @@ -890,10 +918,11 @@ png_set_tRNS(png_structp png_ptr, png_infop info_ptr, #ifdef PNG_FREE_ME_SUPPORTED png_free_data(png_ptr, info_ptr, PNG_FREE_TRNS, 0); #endif - /* Changed from num_trans to 256 in version 1.2.1 */ + /* Changed from num_trans to PNG_MAX_PALETTE_LENGTH in version 1.2.1 */ png_ptr->trans = info_ptr->trans = (png_bytep)png_malloc(png_ptr, - (png_uint_32)256); - png_memcpy(info_ptr->trans, trans, (png_size_t)num_trans); + (png_uint_32)PNG_MAX_PALETTE_LENGTH); + if (num_trans <= PNG_MAX_PALETTE_LENGTH) + png_memcpy(info_ptr->trans, trans, (png_size_t)num_trans); #ifdef PNG_FREE_ME_SUPPORTED info_ptr->free_me |= PNG_FREE_TRNS; #else @@ -921,6 +950,9 @@ png_set_sPLT(png_structp png_ptr, png_sPLT_tp np; int i; + if (png_ptr == NULL || info_ptr == NULL) + return; + np = (png_sPLT_tp)png_malloc_warn(png_ptr, (info_ptr->splt_palettes_num + nentries) * png_sizeof(png_sPLT_t)); if (np == NULL) @@ -1023,13 +1055,14 @@ png_set_unknown_chunk_location(png_structp png_ptr, png_infop info_ptr, } #endif +#if defined(PNG_1_0_X) || defined(PNG_1_2_X) #if defined(PNG_READ_EMPTY_PLTE_SUPPORTED) || \ defined(PNG_WRITE_EMPTY_PLTE_SUPPORTED) void PNGAPI png_permit_empty_plte (png_structp png_ptr, int empty_plte_permitted) { /* This function is deprecated in favor of png_permit_mng_features() - and will be removed from libpng-2.0.0 */ + and will be removed from libpng-1.3.0 */ png_debug(1, "in png_permit_empty_plte, DEPRECATED.\n"); if (png_ptr == NULL) return; @@ -1038,6 +1071,7 @@ png_permit_empty_plte (png_structp png_ptr, int empty_plte_permitted) ((empty_plte_permitted & PNG_FLAG_MNG_EMPTY_PLTE))); } #endif +#endif #if defined(PNG_MNG_FEATURES_SUPPORTED) png_uint_32 PNGAPI @@ -1059,6 +1093,8 @@ png_set_keep_unknown_chunks(png_structp png_ptr, int keep, png_bytep { png_bytep new_list, p; int i, old_num_chunks; + if (png_ptr == NULL) + return; if (num_chunks == 0) { if(keep == PNG_HANDLE_CHUNK_ALWAYS || keep == PNG_HANDLE_CHUNK_IF_SAFE) @@ -1102,6 +1138,8 @@ png_set_read_user_chunk_fn(png_structp png_ptr, png_voidp user_chunk_ptr, png_user_chunk_ptr read_user_chunk_fn) { png_debug(1, "in png_set_read_user_chunk_fn\n"); + if (png_ptr == NULL) + return; png_ptr->read_user_chunk_fn = read_user_chunk_fn; png_ptr->user_chunk_ptr = user_chunk_ptr; } @@ -1128,6 +1166,8 @@ png_set_rows(png_structp png_ptr, png_infop info_ptr, png_bytepp row_pointers) void PNGAPI png_set_compression_buffer_size(png_structp png_ptr, png_uint_32 size) { + if (png_ptr == NULL) + return; if(png_ptr->zbuf) png_free(png_ptr, png_ptr->zbuf); png_ptr->zbuf_size = (png_size_t)size; @@ -1154,6 +1194,9 @@ png_set_asm_flags (png_structp png_ptr, png_uint_32 asm_flags) png_uint_32 settable_asm_flags; png_uint_32 settable_mmx_flags; + if (png_ptr == NULL) + return; + settable_mmx_flags = #ifdef PNG_HAVE_ASSEMBLER_COMBINE_ROW PNG_ASM_FLAG_MMX_READ_COMBINE_ROW | @@ -1196,6 +1239,8 @@ png_set_mmx_thresholds (png_structp png_ptr, png_byte mmx_bitdepth_threshold, png_uint_32 mmx_rowbytes_threshold) { + if (png_ptr == NULL) + return; png_ptr->mmx_bitdepth_threshold = mmx_bitdepth_threshold; png_ptr->mmx_rowbytes_threshold = mmx_rowbytes_threshold; } @@ -1217,3 +1262,4 @@ png_set_user_limits (png_structp png_ptr, png_uint_32 user_width_max, #endif /* ?PNG_SET_USER_LIMITS_SUPPORTED */ #endif /* ?PNG_1_0_X */ +#endif /* PNG_READ_SUPPORTED || PNG_WRITE_SUPPORTED */ diff --git a/src/libs/png/pngtrans.c b/src/libs/png/pngtrans.c index 9003a2109b..9c4d67cd05 100644 --- a/src/libs/png/pngtrans.c +++ b/src/libs/png/pngtrans.c @@ -1,9 +1,9 @@ /* pngtrans.c - transforms the data in a row (used by both readers and writers) * - * libpng 1.2.8 - December 3, 2004 + * Last changed in libpng 1.2.9 April 14, 2006 * For conditions of distribution and use, see copyright notice in png.h - * Copyright (c) 1998-2004 Glenn Randers-Pehrson + * Copyright (c) 1998-2006 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.) */ @@ -11,6 +11,7 @@ #define PNG_INTERNAL #include "png.h" +#if defined(PNG_READ_SUPPORTED) || defined(PNG_WRITE_SUPPORTED) #if defined(PNG_READ_BGR_SUPPORTED) || defined(PNG_WRITE_BGR_SUPPORTED) /* turn on BGR-to-RGB mapping */ void PNGAPI @@ -241,7 +242,7 @@ 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_byte onebppswaptable[256] = { +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, @@ -276,7 +277,7 @@ static png_byte onebppswaptable[256] = { 0x1F, 0x9F, 0x5F, 0xDF, 0x3F, 0xBF, 0x7F, 0xFF }; -static png_byte twobppswaptable[256] = { +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, @@ -311,7 +312,7 @@ static png_byte twobppswaptable[256] = { 0x2F, 0x6F, 0xAF, 0xEF, 0x3F, 0x7F, 0xBF, 0xFF }; -static png_byte fourbppswaptable[256] = { +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, @@ -362,11 +363,11 @@ png_do_packswap(png_row_infop row_info, png_bytep row) end = row + row_info->rowbytes; if (row_info->bit_depth == 1) - table = onebppswaptable; + table = (png_bytep)onebppswaptable; else if (row_info->bit_depth == 2) - table = twobppswaptable; + table = (png_bytep)twobppswaptable; else if (row_info->bit_depth == 4) - table = fourbppswaptable; + table = (png_bytep)fourbppswaptable; else return; @@ -648,3 +649,4 @@ png_get_user_transform_ptr(png_structp png_ptr) return (NULL); #endif } +#endif /* PNG_READ_SUPPORTED || PNG_WRITE_SUPPORTED */ diff --git a/src/libs/png/pngvcrd.c b/src/libs/png/pngvcrd.c index 940a7fc0f4..d1c6405e5f 100644 --- a/src/libs/png/pngvcrd.c +++ b/src/libs/png/pngvcrd.c @@ -1,8 +1,9 @@ + /* pngvcrd.c - mixed C/assembler version of utilities to read a PNG file * * For Intel x86 CPU and Microsoft Visual C++ compiler * - * libpng version 1.2.8 - December 3, 2004 + * Last changed in libpng 1.2.6 - August 15, 2004 * For conditions of distribution and use, see copyright notice in png.h * Copyright (c) 1998-2004 Glenn Randers-Pehrson * Copyright (c) 1998, Intel Corporation diff --git a/src/libs/png/pngwio.c b/src/libs/png/pngwio.c index d5d61f49e0..a9c1dc53d1 100644 --- a/src/libs/png/pngwio.c +++ b/src/libs/png/pngwio.c @@ -1,9 +1,9 @@ /* pngwio.c - functions for data output * - * libpng 1.2.8 - December 3, 2004 + * Last changed in libpng 1.2.3 - May 21, 2002 * For conditions of distribution and use, see copyright notice in png.h - * Copyright (c) 1998-2004 Glenn Randers-Pehrson + * Copyright (c) 1998-2002 Glenn Randers-Pehrson * (Version 0.96 Copyright (c) 1996, 1997 Andreas Dilger) * (Version 0.88 Copyright (c) 1995, 1996 Guy Eric Schalnat, Group 42, Inc.) * diff --git a/src/libs/png/pngwrite.c b/src/libs/png/pngwrite.c index 3246fdaafc..95984f6e58 100644 --- a/src/libs/png/pngwrite.c +++ b/src/libs/png/pngwrite.c @@ -1,9 +1,9 @@ /* pngwrite.c - general routines to write a PNG file * - * libpng 1.2.8 - December 3, 2004 + * Last changed in libpng 1.2.9 April 14, 2006 * For conditions of distribution and use, see copyright notice in png.h - * Copyright (c) 1998-2004 Glenn Randers-Pehrson + * Copyright (c) 1998-2006 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.) */ @@ -26,13 +26,15 @@ void PNGAPI png_write_info_before_PLTE(png_structp png_ptr, png_infop info_ptr) { png_debug(1, "in png_write_info_before_PLTE\n"); + if (png_ptr == NULL || info_ptr == NULL) + return; if (!(png_ptr->mode & PNG_WROTE_INFO_BEFORE_PLTE)) { png_write_sig(png_ptr); /* write PNG signature */ #if defined(PNG_MNG_FEATURES_SUPPORTED) if((png_ptr->mode&PNG_HAVE_PNG_SIGNATURE)&&(png_ptr->mng_features_permitted)) { - png_warning(png_ptr,"MNG features are not allowed in a PNG datastream\n"); + png_warning(png_ptr,"MNG features are not allowed in a PNG datastream"); png_ptr->mng_features_permitted=0; } #endif @@ -128,13 +130,16 @@ png_write_info(png_structp png_ptr, png_infop info_ptr) png_debug(1, "in png_write_info\n"); + if (png_ptr == NULL || info_ptr == NULL) + return; + png_write_info_before_PLTE(png_ptr, info_ptr); if (info_ptr->valid & PNG_INFO_PLTE) png_write_PLTE(png_ptr, info_ptr->palette, (png_uint_32)info_ptr->num_palette); else if (info_ptr->color_type == PNG_COLOR_TYPE_PALETTE) - png_error(png_ptr, "Valid palette required for paletted images\n"); + png_error(png_ptr, "Valid palette required for paletted images"); #if defined(PNG_WRITE_tRNS_SUPPORTED) if (info_ptr->valid & PNG_INFO_tRNS) @@ -183,7 +188,7 @@ png_write_info(png_structp png_ptr, png_infop info_ptr) info_ptr->scal_s_width, info_ptr->scal_s_height); #else png_warning(png_ptr, - "png_write_sCAL not supported; sCAL chunk not written.\n"); + "png_write_sCAL not supported; sCAL chunk not written."); #endif #endif #endif @@ -222,7 +227,7 @@ png_write_info(png_structp png_ptr, png_infop info_ptr) info_ptr->text[i].lang_key, info_ptr->text[i].text); #else - png_warning(png_ptr, "Unable to write international text\n"); + png_warning(png_ptr, "Unable to write international text"); #endif /* Mark this chunk as written */ info_ptr->text[i].compression = PNG_TEXT_COMPRESSION_NONE_WR; @@ -236,7 +241,7 @@ png_write_info(png_structp png_ptr, png_infop info_ptr) info_ptr->text[i].text, 0, info_ptr->text[i].compression); #else - png_warning(png_ptr, "Unable to write compressed text\n"); + png_warning(png_ptr, "Unable to write compressed text"); #endif /* Mark this chunk as written */ info_ptr->text[i].compression = PNG_TEXT_COMPRESSION_zTXt_WR; @@ -249,7 +254,7 @@ png_write_info(png_structp png_ptr, png_infop info_ptr) info_ptr->text[i].text, 0); #else - png_warning(png_ptr, "Unable to write uncompressed text\n"); + png_warning(png_ptr, "Unable to write uncompressed text"); #endif /* Mark this chunk as written */ info_ptr->text[i].compression = PNG_TEXT_COMPRESSION_NONE_WR; @@ -290,6 +295,8 @@ void PNGAPI png_write_end(png_structp png_ptr, png_infop info_ptr) { png_debug(1, "in png_write_end\n"); + if (png_ptr == NULL) + return; if (!(png_ptr->mode & PNG_HAVE_IDAT)) png_error(png_ptr, "No IDATs written into file"); @@ -323,7 +330,7 @@ png_write_end(png_structp png_ptr, png_infop info_ptr) info_ptr->text[i].lang_key, info_ptr->text[i].text); #else - png_warning(png_ptr, "Unable to write international text\n"); + png_warning(png_ptr, "Unable to write international text"); #endif /* Mark this chunk as written */ info_ptr->text[i].compression = PNG_TEXT_COMPRESSION_NONE_WR; @@ -336,7 +343,7 @@ png_write_end(png_structp png_ptr, png_infop info_ptr) info_ptr->text[i].text, 0, info_ptr->text[i].compression); #else - png_warning(png_ptr, "Unable to write compressed text\n"); + png_warning(png_ptr, "Unable to write compressed text"); #endif /* Mark this chunk as written */ info_ptr->text[i].compression = PNG_TEXT_COMPRESSION_zTXt_WR; @@ -348,7 +355,7 @@ png_write_end(png_structp png_ptr, png_infop info_ptr) png_write_tEXt(png_ptr, info_ptr->text[i].key, info_ptr->text[i].text, 0); #else - png_warning(png_ptr, "Unable to write uncompressed text\n"); + png_warning(png_ptr, "Unable to write uncompressed text"); #endif /* Mark this chunk as written */ @@ -554,6 +561,8 @@ png_create_write_struct_2(png_const_charp user_png_ver, png_voidp error_ptr, } /* Initialize png_ptr structure, and allocate any memory needed */ +#if defined(PNG_1_0_X) || defined(PNG_1_2_X) +/* Deprecated. */ #undef png_write_init void PNGAPI png_write_init(png_structp png_ptr) @@ -604,6 +613,7 @@ png_write_init_2(png_structp png_ptr, png_const_charp user_png_ver, } png_write_init_3(&png_ptr, user_png_ver, png_struct_size); } +#endif /* PNG_1_0_X || PNG_1_2_X */ void PNGAPI @@ -614,7 +624,12 @@ png_write_init_3(png_structpp ptr_ptr, png_const_charp user_png_ver, #ifdef PNG_SETJMP_SUPPORTED jmp_buf tmp_jmp; /* to save current jump buffer */ #endif + int i = 0; + + if (png_ptr == NULL) + return; + do { if (user_png_ver[i] != png_libpng_ver[i]) @@ -691,6 +706,10 @@ png_write_rows(png_structp png_ptr, png_bytepp row, png_bytepp rp; /* row pointer */ png_debug(1, "in png_write_rows\n"); + + if (png_ptr == NULL) + return; + /* loop through the rows */ for (i = 0, rp = row; i < num_rows; i++, rp++) { @@ -708,6 +727,9 @@ png_write_image(png_structp png_ptr, png_bytepp image) int pass, num_pass; /* pass variables */ png_bytepp rp; /* points to current row */ + if (png_ptr == NULL) + return; + png_debug(1, "in png_write_image\n"); #if defined(PNG_WRITE_INTERLACING_SUPPORTED) /* intialize interlace handling. If image is not interlaced, @@ -731,8 +753,11 @@ png_write_image(png_structp png_ptr, png_bytepp image) void PNGAPI png_write_row(png_structp png_ptr, png_bytep row) { + if (png_ptr == NULL) + return; png_debug2(1, "in png_write_row (row %ld, pass %d)\n", png_ptr->row_number, png_ptr->pass); + /* initialize transformations and other stuff if first time */ if (png_ptr->row_number == 0 && png_ptr->pass == 0) { @@ -906,6 +931,8 @@ void PNGAPI png_set_flush(png_structp png_ptr, int nrows) { png_debug(1, "in png_set_flush\n"); + if (png_ptr == NULL) + return; png_ptr->flush_dist = (nrows < 0 ? 0 : nrows); } @@ -916,6 +943,8 @@ png_write_flush(png_structp png_ptr) int wrote_IDAT; png_debug(1, "in png_write_flush\n"); + if (png_ptr == NULL) + return; /* We have already written out all of the data */ if (png_ptr->row_number >= png_ptr->num_rows) return; @@ -1092,6 +1121,8 @@ void PNGAPI png_set_filter(png_structp png_ptr, int method, int filters) { png_debug(1, "in png_set_filter\n"); + if (png_ptr == NULL) + return; #if defined(PNG_MNG_FEATURES_SUPPORTED) if((png_ptr->mng_features_permitted & PNG_FLAG_MNG_FILTER_64) && (method == PNG_INTRAPIXEL_DIFFERENCING)) @@ -1200,6 +1231,8 @@ png_set_filter_heuristics(png_structp png_ptr, int heuristic_method, int i; png_debug(1, "in png_set_filter_heuristics\n"); + if (png_ptr == NULL) + return; if (heuristic_method >= PNG_FILTER_HEURISTIC_LAST) { png_warning(png_ptr, "Unknown filter heuristic method"); @@ -1312,6 +1345,8 @@ void PNGAPI png_set_compression_level(png_structp png_ptr, int level) { png_debug(1, "in png_set_compression_level\n"); + if (png_ptr == NULL) + return; png_ptr->flags |= PNG_FLAG_ZLIB_CUSTOM_LEVEL; png_ptr->zlib_level = level; } @@ -1320,6 +1355,8 @@ void PNGAPI png_set_compression_mem_level(png_structp png_ptr, int mem_level) { png_debug(1, "in png_set_compression_mem_level\n"); + if (png_ptr == NULL) + return; png_ptr->flags |= PNG_FLAG_ZLIB_CUSTOM_MEM_LEVEL; png_ptr->zlib_mem_level = mem_level; } @@ -1328,6 +1365,8 @@ void PNGAPI png_set_compression_strategy(png_structp png_ptr, int strategy) { png_debug(1, "in png_set_compression_strategy\n"); + if (png_ptr == NULL) + return; png_ptr->flags |= PNG_FLAG_ZLIB_CUSTOM_STRATEGY; png_ptr->zlib_strategy = strategy; } @@ -1335,6 +1374,8 @@ png_set_compression_strategy(png_structp png_ptr, int strategy) void PNGAPI png_set_compression_window_bits(png_structp png_ptr, int window_bits) { + if (png_ptr == NULL) + return; if (window_bits > 15) png_warning(png_ptr, "Only compression windows <= 32k supported by PNG"); else if (window_bits < 8) @@ -1355,6 +1396,8 @@ void PNGAPI png_set_compression_method(png_structp png_ptr, int method) { png_debug(1, "in png_set_compression_method\n"); + if (png_ptr == NULL) + return; if (method != 8) png_warning(png_ptr, "Only compression method 8 is supported by PNG"); png_ptr->flags |= PNG_FLAG_ZLIB_CUSTOM_METHOD; @@ -1364,6 +1407,8 @@ png_set_compression_method(png_structp png_ptr, int method) void PNGAPI png_set_write_status_fn(png_structp png_ptr, png_write_status_ptr write_row_fn) { + if (png_ptr == NULL) + return; png_ptr->write_row_fn = write_row_fn; } @@ -1373,6 +1418,8 @@ png_set_write_user_transform_fn(png_structp png_ptr, png_user_transform_ptr write_user_transform_fn) { png_debug(1, "in png_set_write_user_transform_fn\n"); + if (png_ptr == NULL) + return; png_ptr->transformations |= PNG_USER_TRANSFORM; png_ptr->write_user_transform_fn = write_user_transform_fn; } @@ -1384,6 +1431,8 @@ void PNGAPI png_write_png(png_structp png_ptr, png_infop info_ptr, int transforms, voidp params) { + if (png_ptr == NULL || info_ptr == NULL) + return; #if defined(PNG_WRITE_INVERT_ALPHA_SUPPORTED) /* invert the alpha channel from opacity to transparency */ if (transforms & PNG_TRANSFORM_INVERT_ALPHA) diff --git a/src/libs/png/pngwtran.c b/src/libs/png/pngwtran.c index f1c8b3e62a..0372fe656c 100644 --- a/src/libs/png/pngwtran.c +++ b/src/libs/png/pngwtran.c @@ -1,9 +1,9 @@ /* pngwtran.c - transforms the data in a row for PNG writers * - * libpng version 1.2.8 - December 3, 2004 + * Last changed in libpng 1.2.9 April 14, 2006 * For conditions of distribution and use, see copyright notice in png.h - * Copyright (c) 1998-2004 Glenn Randers-Pehrson + * Copyright (c) 1998-2006 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.) */ @@ -60,14 +60,14 @@ png_do_write_transformations(png_structp png_ptr) png_do_shift(&(png_ptr->row_info), png_ptr->row_buf + 1, &(png_ptr->shift)); #endif -#if defined(PNG_WRITE_INVERT_ALPHA_SUPPORTED) - if (png_ptr->transformations & PNG_INVERT_ALPHA) - png_do_write_invert_alpha(&(png_ptr->row_info), png_ptr->row_buf + 1); -#endif #if defined(PNG_WRITE_SWAP_ALPHA_SUPPORTED) if (png_ptr->transformations & PNG_SWAP_ALPHA) png_do_write_swap_alpha(&(png_ptr->row_info), png_ptr->row_buf + 1); #endif +#if defined(PNG_WRITE_INVERT_ALPHA_SUPPORTED) + if (png_ptr->transformations & PNG_INVERT_ALPHA) + png_do_write_invert_alpha(&(png_ptr->row_info), png_ptr->row_buf + 1); +#endif #if defined(PNG_WRITE_BGR_SUPPORTED) if (png_ptr->transformations & PNG_BGR) png_do_bgr(&(png_ptr->row_info), png_ptr->row_buf + 1); @@ -439,9 +439,12 @@ png_do_write_invert_alpha(png_row_infop row_info, png_bytep row) png_uint_32 row_width = row_info->width; for (i = 0, sp = dp = row; i < row_width; i++) { + /* does nothing *(dp++) = *(sp++); *(dp++) = *(sp++); *(dp++) = *(sp++); + */ + sp+=3; dp = sp; *(dp++) = (png_byte)(255 - *(sp++)); } } @@ -454,12 +457,15 @@ png_do_write_invert_alpha(png_row_infop row_info, png_bytep row) for (i = 0, sp = dp = row; i < row_width; i++) { + /* does nothing *(dp++) = *(sp++); *(dp++) = *(sp++); *(dp++) = *(sp++); *(dp++) = *(sp++); *(dp++) = *(sp++); *(dp++) = *(sp++); + */ + sp+=6; dp = sp; *(dp++) = (png_byte)(255 - *(sp++)); *(dp++) = (png_byte)(255 - *(sp++)); } @@ -489,8 +495,11 @@ png_do_write_invert_alpha(png_row_infop row_info, png_bytep row) for (i = 0, sp = dp = row; i < row_width; i++) { + /* does nothing *(dp++) = *(sp++); *(dp++) = *(sp++); + */ + sp+=2; dp = sp; *(dp++) = (png_byte)(255 - *(sp++)); *(dp++) = (png_byte)(255 - *(sp++)); } diff --git a/src/libs/png/pngwutil.c b/src/libs/png/pngwutil.c index dd7b150b75..4a9c52b939 100644 --- a/src/libs/png/pngwutil.c +++ b/src/libs/png/pngwutil.c @@ -1,9 +1,9 @@ /* pngwutil.c - utilities to write a PNG file * - * libpng version 1.2.8 - December 3, 2004 + * Last changed in libpng 1.2.11 June 4, 2006 * For conditions of distribution and use, see copyright notice in png.h - * Copyright (c) 1998-2004 Glenn Randers-Pehrson + * Copyright (c) 1998-2006 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.) */ @@ -16,7 +16,7 @@ * with unsigned numbers for convenience, although one supported * ancillary chunk uses signed (two's complement) numbers. */ -void /* PRIVATE */ +void PNGAPI png_save_uint_32(png_bytep buf, png_uint_32 i) { buf[0] = (png_byte)((i >> 24) & 0xff); @@ -25,12 +25,11 @@ png_save_uint_32(png_bytep buf, png_uint_32 i) buf[3] = (png_byte)(i & 0xff); } -#if defined(PNG_WRITE_pCAL_SUPPORTED) || defined(PNG_WRITE_oFFs_SUPPORTED) /* The png_save_int_32 function assumes integers are stored in two's * complement format. If this isn't the case, then this routine needs to * be modified to write data in two's complement format. */ -void /* PRIVATE */ +void PNGAPI png_save_int_32(png_bytep buf, png_int_32 i) { buf[0] = (png_byte)((i >> 24) & 0xff); @@ -38,13 +37,12 @@ png_save_int_32(png_bytep buf, png_int_32 i) buf[2] = (png_byte)((i >> 8) & 0xff); buf[3] = (png_byte)(i & 0xff); } -#endif /* Place a 16-bit number into a buffer in PNG byte order. * The parameter is declared unsigned int, not png_uint_16, * just to avoid potential problems on pre-ANSI C compilers. */ -void /* PRIVATE */ +void PNGAPI png_save_uint_16(png_bytep buf, unsigned int i) { buf[0] = (png_byte)((i >> 8) & 0xff); @@ -161,9 +159,11 @@ png_text_compress(png_structp png_ptr, { int ret; - comp->num_output_ptr = comp->max_output_ptr = 0; + comp->num_output_ptr = 0; + comp->max_output_ptr = 0; comp->output_ptr = NULL; comp->input = NULL; + comp->input_len = 0; /* we may just want to pass the text right through */ if (compression == PNG_TEXT_COMPRESSION_NONE) @@ -730,6 +730,13 @@ png_write_iCCP(png_structp png_ptr, png_charp name, int compression_type, compression_state comp; png_debug(1, "in png_write_iCCP\n"); + + comp.num_output_ptr = 0; + comp.max_output_ptr = 0; + comp.output_ptr = NULL; + comp.input = NULL; + comp.input_len = 0; + if (name == NULL || (name_len = png_check_keyword(png_ptr, name, &new_name)) == 0) { @@ -930,8 +937,7 @@ png_write_cHRM(png_structp png_ptr, double white_x, double white_y, itemp = (png_uint_32)(white_y * 100000.0 + 0.5); png_save_uint_32(buf + 4, itemp); - if (red_x < 0 || red_x > 0.8 || red_y < 0 || red_y > 0.8 || - red_x + red_y > 1.0) + if (red_x < 0 || red_y < 0 || red_x + red_y > 1.0) { png_warning(png_ptr, "Invalid cHRM red point specified"); return; @@ -941,8 +947,7 @@ png_write_cHRM(png_structp png_ptr, double white_x, double white_y, itemp = (png_uint_32)(red_y * 100000.0 + 0.5); png_save_uint_32(buf + 12, itemp); - if (green_x < 0 || green_x > 0.8 || green_y < 0 || green_y > 0.8 || - green_x + green_y > 1.0) + if (green_x < 0 || green_y < 0 || green_x + green_y > 1.0) { png_warning(png_ptr, "Invalid cHRM green point specified"); return; @@ -952,8 +957,7 @@ png_write_cHRM(png_structp png_ptr, double white_x, double white_y, itemp = (png_uint_32)(green_y * 100000.0 + 0.5); png_save_uint_32(buf + 20, itemp); - if (blue_x < 0 || blue_x > 0.8 || blue_y < 0 || blue_y > 0.8 || - blue_x + blue_y > 1.0) + if (blue_x < 0 || blue_y < 0 || blue_x + blue_y > 1.0) { png_warning(png_ptr, "Invalid cHRM blue point specified"); return; @@ -991,7 +995,7 @@ png_write_cHRM_fixed(png_structp png_ptr, png_fixed_point white_x, png_save_uint_32(buf, (png_uint_32)white_x); png_save_uint_32(buf + 4, (png_uint_32)white_y); - if (red_x > 80000L || red_y > 80000L || red_x + red_y > 100000L) + if (red_x + red_y > 100000L) { png_warning(png_ptr, "Invalid cHRM fixed red point specified"); return; @@ -999,7 +1003,7 @@ png_write_cHRM_fixed(png_structp png_ptr, png_fixed_point white_x, png_save_uint_32(buf + 8, (png_uint_32)red_x); png_save_uint_32(buf + 12, (png_uint_32)red_y); - if (green_x > 80000L || green_y > 80000L || green_x + green_y > 100000L) + if (green_x + green_y > 100000L) { png_warning(png_ptr, "Invalid fixed cHRM green point specified"); return; @@ -1007,7 +1011,7 @@ png_write_cHRM_fixed(png_structp png_ptr, png_fixed_point white_x, png_save_uint_32(buf + 16, (png_uint_32)green_x); png_save_uint_32(buf + 20, (png_uint_32)green_y); - if (blue_x > 80000L || blue_y > 80000L || blue_x + blue_y > 100000L) + if (blue_x + blue_y > 100000L) { png_warning(png_ptr, "Invalid fixed cHRM blue point specified"); return; @@ -1344,6 +1348,12 @@ png_write_zTXt(png_structp png_ptr, png_charp key, png_charp text, png_debug(1, "in png_write_zTXt\n"); + comp.num_output_ptr = 0; + comp.max_output_ptr = 0; + comp.output_ptr = NULL; + comp.input = NULL; + comp.input_len = 0; + if (key == NULL || (key_len = png_check_keyword(png_ptr, key, &new_key))==0) { png_warning(png_ptr, "Empty keyword in zTXt chunk"); @@ -1397,6 +1407,11 @@ png_write_iTXt(png_structp png_ptr, int compression, png_charp key, png_debug(1, "in png_write_iTXt\n"); + comp.num_output_ptr = 0; + comp.max_output_ptr = 0; + comp.output_ptr = NULL; + comp.input = NULL; + if (key == NULL || (key_len = png_check_keyword(png_ptr, key, &new_key))==0) { png_warning(png_ptr, "Empty keyword in iTXt chunk"); @@ -1552,39 +1567,41 @@ png_write_pCAL(png_structp png_ptr, png_charp purpose, png_int_32 X0, /* write the sCAL chunk */ #if defined(PNG_FLOATING_POINT_SUPPORTED) && !defined(PNG_NO_STDIO) void /* PRIVATE */ -png_write_sCAL(png_structp png_ptr, int unit, double width,double height) +png_write_sCAL(png_structp png_ptr, int unit, double width, double height) { #ifdef PNG_USE_LOCAL_ARRAYS PNG_sCAL; #endif + char buf[64]; png_size_t total_len; - char wbuf[32], hbuf[32]; - png_byte bunit = unit; png_debug(1, "in png_write_sCAL\n"); + buf[0] = (char)unit; #if defined(_WIN32_WCE) /* sprintf() function is not supported on WindowsCE */ { wchar_t wc_buf[32]; + size_t wc_len; swprintf(wc_buf, TEXT("%12.12e"), width); - WideCharToMultiByte(CP_ACP, 0, wc_buf, -1, wbuf, 32, NULL, NULL); + wc_len = wcslen(wc_buf); + WideCharToMultiByte(CP_ACP, 0, wc_buf, -1, buf + 1, wc_len, NULL, NULL); + total_len = wc_len + 2; swprintf(wc_buf, TEXT("%12.12e"), height); - WideCharToMultiByte(CP_ACP, 0, wc_buf, -1, hbuf, 32, NULL, NULL); + wc_len = wcslen(wc_buf); + WideCharToMultiByte(CP_ACP, 0, wc_buf, -1, buf + total_len, wc_len, + NULL, NULL); + total_len += wc_len; } #else - sprintf(wbuf, "%12.12e", width); - sprintf(hbuf, "%12.12e", height); + sprintf(buf + 1, "%12.12e", width); + total_len = 1 + png_strlen(buf + 1) + 1; + sprintf(buf + total_len, "%12.12e", height); + total_len += png_strlen(buf + total_len); #endif - total_len = 1 + png_strlen(wbuf)+1 + png_strlen(hbuf); - png_debug1(3, "sCAL total length = %d\n", (int)total_len); - png_write_chunk_start(png_ptr, (png_bytep)png_sCAL, (png_uint_32)total_len); - png_write_chunk_data(png_ptr, (png_bytep)&bunit, 1); - png_write_chunk_data(png_ptr, (png_bytep)wbuf, png_strlen(wbuf)+1); - png_write_chunk_data(png_ptr, (png_bytep)hbuf, png_strlen(hbuf)); - - png_write_chunk_end(png_ptr); + png_debug1(3, "sCAL total length = %u\n", (unsigned int)total_len); + png_write_chunk(png_ptr, (png_bytep)png_sCAL, (png_bytep)buf, total_len); } #else #ifdef PNG_FIXED_POINT_SUPPORTED @@ -1595,23 +1612,26 @@ png_write_sCAL_s(png_structp png_ptr, int unit, png_charp width, #ifdef PNG_USE_LOCAL_ARRAYS PNG_sCAL; #endif - png_size_t total_len; - char wbuf[32], hbuf[32]; - png_byte bunit = unit; + png_byte buf[64]; + png_size_t wlen, hlen, total_len; png_debug(1, "in png_write_sCAL_s\n"); - png_strcpy(wbuf,(const char *)width); - png_strcpy(hbuf,(const char *)height); - total_len = 1 + png_strlen(wbuf)+1 + png_strlen(hbuf); + wlen = png_strlen(width); + hlen = png_strlen(height); + total_len = wlen + hlen + 2; + if (total_len > 64) + { + png_warning(png_ptr, "Can't write sCAL (buffer too small)"); + return; + } - png_debug1(3, "sCAL total length = %d\n", total_len); - png_write_chunk_start(png_ptr, (png_bytep)png_sCAL, (png_uint_32)total_len); - png_write_chunk_data(png_ptr, (png_bytep)&bunit, 1); - png_write_chunk_data(png_ptr, (png_bytep)wbuf, png_strlen(wbuf)+1); - png_write_chunk_data(png_ptr, (png_bytep)hbuf, png_strlen(hbuf)); + buf[0] = (png_byte)unit; + png_memcpy(buf + 1, width, wlen + 1); /* append the '\0' here */ + png_memcpy(buf + wlen + 2, height, hlen); /* do NOT append the '\0' here */ - png_write_chunk_end(png_ptr); + png_debug1(3, "sCAL total length = %u\n", (unsigned int)total_len); + png_write_chunk(png_ptr, (png_bytep)png_sCAL, buf, total_len); } #endif #endif