diff options
author | Waldemar Brodkorb <wbx@openadk.org> | 2014-01-11 12:29:23 +0100 |
---|---|---|
committer | Waldemar Brodkorb <wbx@openadk.org> | 2014-01-11 12:29:23 +0100 |
commit | 407f9b8fde3ad9cc55f39f7a548cde6056dab494 (patch) | |
tree | 0375ea8ddab3502bf6883066f43fc7e328d5c704 /package/libpng | |
parent | 2ecefcf609e484d04d1546581191831e07ad71ec (diff) | |
parent | abb858ae43374dc13a5fcef19b9e0ba9442013bb (diff) |
Merge branch 'master' of git+ssh://openadk.org/git/openadk
Diffstat (limited to 'package/libpng')
-rw-r--r-- | package/libpng/Makefile | 6 | ||||
-rw-r--r-- | package/libpng/patches/libpng-1.6.8-apng.patch (renamed from package/libpng/patches/libpng-1.5.15-apng.patch) | 612 |
2 files changed, 321 insertions, 297 deletions
diff --git a/package/libpng/Makefile b/package/libpng/Makefile index 1d43a4998..ea4c3a1f8 100644 --- a/package/libpng/Makefile +++ b/package/libpng/Makefile @@ -4,9 +4,9 @@ include ${TOPDIR}/rules.mk PKG_NAME:= libpng -PKG_VERSION:= 1.5.15 -PKG_RELEASE:= 2 -PKG_MD5SUM:= ea24254980fd820964a710e4d2a947c7 +PKG_VERSION:= 1.6.8 +PKG_RELEASE:= 1 +PKG_MD5SUM:= 29b7065906e2551508a0d7eacd19174e PKG_DESCR:= A library for reading/writing PNG images PKG_SECTION:= libs PKG_DEPENDS:= zlib diff --git a/package/libpng/patches/libpng-1.5.15-apng.patch b/package/libpng/patches/libpng-1.6.8-apng.patch index b169303e9..02cf32620 100644 --- a/package/libpng/patches/libpng-1.5.15-apng.patch +++ b/package/libpng/patches/libpng-1.6.8-apng.patch @@ -1,7 +1,7 @@ -diff -Naru libpng-1.5.15.org/png.h libpng-1.5.15/png.h ---- libpng-1.5.15.org/png.h 2013-04-02 20:39:30.000000000 +0900 -+++ libpng-1.5.15/png.h 2013-04-02 20:39:30.000000000 +0900 -@@ -448,6 +448,10 @@ +diff -Naru libpng-1.6.8.org/png.h libpng-1.6.8/png.h +--- libpng-1.6.8.org/png.h 2013-12-22 17:03:17.220988502 +0900 ++++ libpng-1.6.8/png.h 2013-12-22 17:03:17.287990651 +0900 +@@ -451,6 +451,10 @@ # include "pnglibconf.h" #endif @@ -10,9 +10,9 @@ diff -Naru libpng-1.5.15.org/png.h libpng-1.5.15/png.h +#define PNG_WRITE_APNG_SUPPORTED + #ifndef PNG_VERSION_INFO_ONLY - # ifndef PNG_BUILDING_SYMBOL_TABLE - /* -@@ -555,6 +559,17 @@ + /* Machine specific configuration. */ + # include "pngconf.h" +@@ -541,6 +545,17 @@ * See pngconf.h for base types that vary by machine/system */ @@ -30,7 +30,7 @@ diff -Naru libpng-1.5.15.org/png.h libpng-1.5.15/png.h /* This triggers a compiler error in png.c, if png.c and png.h * do not agree upon the version number. */ -@@ -838,6 +853,10 @@ +@@ -861,6 +876,10 @@ #define PNG_INFO_sPLT 0x2000 /* ESR, 1.0.6 */ #define PNG_INFO_sCAL 0x4000 /* ESR, 1.0.6 */ #define PNG_INFO_IDAT 0x8000 /* ESR, 1.0.6 */ @@ -41,7 +41,7 @@ diff -Naru libpng-1.5.15.org/png.h libpng-1.5.15/png.h /* This is used for the transformation routines, as some of them * change these values for the row. It also should enable using -@@ -883,6 +902,10 @@ +@@ -898,6 +917,10 @@ #ifdef PNG_PROGRESSIVE_READ_SUPPORTED typedef PNG_CALLBACK(void, *png_progressive_info_ptr, (png_structp, png_infop)); typedef PNG_CALLBACK(void, *png_progressive_end_ptr, (png_structp, png_infop)); @@ -52,97 +52,97 @@ diff -Naru libpng-1.5.15.org/png.h libpng-1.5.15/png.h /* The following callback receives png_uint_32 row_number, int pass for the * png_bytep data of the row. When transforming an interlaced image the -@@ -2702,6 +2725,74 @@ +@@ -3300,6 +3323,74 @@ /******************************************************************************* * END OF HARDWARE OPTIONS ******************************************************************************/ +#ifdef PNG_APNG_SUPPORTED -+PNG_EXPORT(237, png_uint_32, png_get_acTL, (png_structp png_ptr, ++PNG_EXPORT(245, png_uint_32, png_get_acTL, (png_structp png_ptr, + png_infop info_ptr, png_uint_32 *num_frames, png_uint_32 *num_plays)); + -+PNG_EXPORT(238, png_uint_32, png_set_acTL, (png_structp png_ptr, ++PNG_EXPORT(246, png_uint_32, png_set_acTL, (png_structp png_ptr, + png_infop info_ptr, png_uint_32 num_frames, png_uint_32 num_plays)); + -+PNG_EXPORT(239, png_uint_32, png_get_num_frames, (png_structp png_ptr, ++PNG_EXPORT(247, png_uint_32, png_get_num_frames, (png_structp png_ptr, + png_infop info_ptr)); + -+PNG_EXPORT(240, png_uint_32, png_get_num_plays, (png_structp png_ptr, ++PNG_EXPORT(248, png_uint_32, png_get_num_plays, (png_structp png_ptr, + png_infop info_ptr)); + -+PNG_EXPORT(241, png_uint_32, png_get_next_frame_fcTL, ++PNG_EXPORT(249, png_uint_32, png_get_next_frame_fcTL, + (png_structp png_ptr, png_infop info_ptr, png_uint_32 *width, + png_uint_32 *height, png_uint_32 *x_offset, png_uint_32 *y_offset, + png_uint_16 *delay_num, png_uint_16 *delay_den, png_byte *dispose_op, + png_byte *blend_op)); + -+PNG_EXPORT(242, png_uint_32, png_set_next_frame_fcTL, ++PNG_EXPORT(250, png_uint_32, png_set_next_frame_fcTL, + (png_structp png_ptr, png_infop info_ptr, png_uint_32 width, + png_uint_32 height, png_uint_32 x_offset, png_uint_32 y_offset, + png_uint_16 delay_num, png_uint_16 delay_den, png_byte dispose_op, + png_byte blend_op)); + -+PNG_EXPORT(243, png_uint_32, png_get_next_frame_width, ++PNG_EXPORT(251, png_uint_32, png_get_next_frame_width, + (png_structp png_ptr, png_infop info_ptr)); -+PNG_EXPORT(244, png_uint_32, png_get_next_frame_height, ++PNG_EXPORT(252, png_uint_32, png_get_next_frame_height, + (png_structp png_ptr, png_infop info_ptr)); -+PNG_EXPORT(245, png_uint_32, png_get_next_frame_x_offset, ++PNG_EXPORT(253, png_uint_32, png_get_next_frame_x_offset, + (png_structp png_ptr, png_infop info_ptr)); -+PNG_EXPORT(246, png_uint_32, png_get_next_frame_y_offset, ++PNG_EXPORT(254, png_uint_32, png_get_next_frame_y_offset, + (png_structp png_ptr, png_infop info_ptr)); -+PNG_EXPORT(247, png_uint_16, png_get_next_frame_delay_num, ++PNG_EXPORT(255, png_uint_16, png_get_next_frame_delay_num, + (png_structp png_ptr, png_infop info_ptr)); -+PNG_EXPORT(248, png_uint_16, png_get_next_frame_delay_den, ++PNG_EXPORT(256, png_uint_16, png_get_next_frame_delay_den, + (png_structp png_ptr, png_infop info_ptr)); -+PNG_EXPORT(249, png_byte, png_get_next_frame_dispose_op, ++PNG_EXPORT(257, png_byte, png_get_next_frame_dispose_op, + (png_structp png_ptr, png_infop info_ptr)); -+PNG_EXPORT(250, png_byte, png_get_next_frame_blend_op, ++PNG_EXPORT(258, png_byte, png_get_next_frame_blend_op, + (png_structp png_ptr, png_infop info_ptr)); -+PNG_EXPORT(251, png_byte, png_get_first_frame_is_hidden, ++PNG_EXPORT(259, png_byte, png_get_first_frame_is_hidden, + (png_structp png_ptr, png_infop info_ptr)); -+PNG_EXPORT(252, png_uint_32, png_set_first_frame_is_hidden, ++PNG_EXPORT(260, png_uint_32, png_set_first_frame_is_hidden, + (png_structp png_ptr, png_infop info_ptr, png_byte is_hidden)); + +#ifdef PNG_READ_APNG_SUPPORTED -+PNG_EXPORT(253, void, png_read_frame_head, (png_structp png_ptr, ++PNG_EXPORT(261, void, png_read_frame_head, (png_structp png_ptr, + png_infop info_ptr)); +#ifdef PNG_PROGRESSIVE_READ_SUPPORTED -+PNG_EXPORT(254, void, png_set_progressive_frame_fn, (png_structp png_ptr, ++PNG_EXPORT(262, void, png_set_progressive_frame_fn, (png_structp png_ptr, + png_progressive_frame_ptr frame_info_fn, + png_progressive_frame_ptr frame_end_fn)); +#endif /* PNG_PROGRESSIVE_READ_SUPPORTED */ +#endif /* PNG_READ_APNG_SUPPORTED */ + +#ifdef PNG_WRITE_APNG_SUPPORTED -+PNG_EXPORT(255, void, png_write_frame_head, (png_structp png_ptr, ++PNG_EXPORT(263, void, png_write_frame_head, (png_structp png_ptr, + png_infop info_ptr, png_bytepp row_pointers, + png_uint_32 width, png_uint_32 height, + png_uint_32 x_offset, png_uint_32 y_offset, + png_uint_16 delay_num, png_uint_16 delay_den, png_byte dispose_op, + png_byte blend_op)); + -+PNG_EXPORT(256, void, png_write_frame_tail, (png_structp png_ptr, ++PNG_EXPORT(264, void, png_write_frame_tail, (png_structp png_ptr, + png_infop info_ptr)); +#endif /* PNG_WRITE_APNG_SUPPORTED */ +#endif /* PNG_APNG_SUPPORTED */ /* Maintainer: Put new public prototypes here ^, in libpng.3, and project - * defs -@@ -2712,7 +2803,11 @@ + * defs, scripts/pnglibconf.h, and scripts/pnglibconf.h.prebuilt +@@ -3310,7 +3401,11 @@ * scripts/symbols.def as well. */ #ifdef PNG_EXPORT_LAST_ORDINAL +#ifdef PNG_APNG_SUPPORTED -+ PNG_EXPORT_LAST_ORDINAL(256); ++ PNG_EXPORT_LAST_ORDINAL(264); +#else - PNG_EXPORT_LAST_ORDINAL(236); + PNG_EXPORT_LAST_ORDINAL(244); +#endif /* PNG_APNG_SUPPORTED */ #endif #ifdef __cplusplus -diff -Naru libpng-1.5.15.org/pngget.c libpng-1.5.15/pngget.c ---- libpng-1.5.15.org/pngget.c 2013-04-02 20:39:30.000000000 +0900 -+++ libpng-1.5.15/pngget.c 2013-04-02 20:39:30.000000000 +0900 -@@ -1140,4 +1140,166 @@ +diff -Naru libpng-1.6.8.org/pngget.c libpng-1.6.8/pngget.c +--- libpng-1.6.8.org/pngget.c 2013-12-22 17:03:17.220988502 +0900 ++++ libpng-1.6.8/pngget.c 2013-12-22 17:03:17.288990684 +0900 +@@ -1174,4 +1174,166 @@ # endif #endif @@ -309,10 +309,10 @@ diff -Naru libpng-1.5.15.org/pngget.c libpng-1.5.15/pngget.c +} +#endif /* PNG_APNG_SUPPORTED */ #endif /* PNG_READ_SUPPORTED || PNG_WRITE_SUPPORTED */ -diff -Naru libpng-1.5.15.org/pnginfo.h libpng-1.5.15/pnginfo.h ---- libpng-1.5.15.org/pnginfo.h 2013-04-02 20:39:30.000000000 +0900 -+++ libpng-1.5.15/pnginfo.h 2013-04-02 20:39:30.000000000 +0900 -@@ -265,5 +265,18 @@ +diff -Naru libpng-1.6.8.org/pnginfo.h libpng-1.6.8/pnginfo.h +--- libpng-1.6.8.org/pnginfo.h 2013-12-22 17:03:17.220988502 +0900 ++++ libpng-1.6.8/pnginfo.h 2013-12-22 17:03:17.288990684 +0900 +@@ -256,5 +256,18 @@ png_bytepp row_pointers; /* the image bits */ #endif @@ -331,10 +331,10 @@ diff -Naru libpng-1.5.15.org/pnginfo.h libpng-1.5.15/pnginfo.h + }; #endif /* PNGINFO_H */ -diff -Naru libpng-1.5.15.org/pngpread.c libpng-1.5.15/pngpread.c ---- libpng-1.5.15.org/pngpread.c 2013-04-02 20:39:30.000000000 +0900 -+++ libpng-1.5.15/pngpread.c 2013-04-02 20:39:30.000000000 +0900 -@@ -215,6 +215,109 @@ +diff -Naru libpng-1.6.8.org/pngpread.c libpng-1.6.8/pngpread.c +--- libpng-1.6.8.org/pngpread.c 2013-12-22 17:03:17.221988534 +0900 ++++ libpng-1.6.8/pngpread.c 2013-12-22 17:03:17.288990684 +0900 +@@ -217,6 +217,109 @@ chunk_name = png_ptr->chunk_name; @@ -443,22 +443,21 @@ diff -Naru libpng-1.5.15.org/pngpread.c libpng-1.5.15/pngpread.c + if (chunk_name == png_IDAT) { - /* This is here above the if/else case statement below because if the -@@ -318,6 +421,10 @@ - png_benign_error(png_ptr, "Too many IDATs found"); - } + if (png_ptr->mode & PNG_AFTER_IDAT) +@@ -299,6 +402,9 @@ + else if (chunk_name == png_IDAT) + { +#ifdef PNG_READ_APNG_SUPPORTED + png_have_info(png_ptr, info_ptr); +#endif -+ png_ptr->idat_size = png_ptr->push_length; - png_ptr->mode |= PNG_HAVE_IDAT; png_ptr->process_mode = PNG_READ_IDAT_MODE; -@@ -551,6 +658,28 @@ - + png_push_have_info(png_ptr, info_ptr); +@@ -529,6 +635,30 @@ + png_handle_iTXt(png_ptr, info_ptr, png_ptr->push_length); + } #endif - +#ifdef PNG_READ_APNG_SUPPORTED + else if (chunk_name == png_acTL) + { @@ -467,6 +466,7 @@ diff -Naru libpng-1.5.15.org/pngpread.c libpng-1.5.15/pngpread.c + png_push_save_buffer(png_ptr); + return; + } ++ + png_handle_acTL(png_ptr, info_ptr, png_ptr->push_length); + } + @@ -477,14 +477,15 @@ diff -Naru libpng-1.5.15.org/pngpread.c libpng-1.5.15/pngpread.c + png_push_save_buffer(png_ptr); + return; + } ++ + png_handle_fcTL(png_ptr, info_ptr, png_ptr->push_length); + } -+#endif /* PNG_READ_APNG_SUPPORTED */ + ++#endif /* PNG_READ_APNG_SUPPORTED */ + else { - if (png_ptr->push_length + 4 > png_ptr->buffer_size) -@@ -758,7 +887,11 @@ +@@ -731,7 +861,11 @@ png_byte chunk_tag[4]; /* TODO: this code can be commoned up with the same code in push_read */ @@ -496,14 +497,14 @@ diff -Naru libpng-1.5.15.org/pngpread.c libpng-1.5.15/pngpread.c { png_push_save_buffer(png_ptr); return; -@@ -771,17 +904,64 @@ +@@ -744,17 +878,64 @@ png_ptr->chunk_name = PNG_CHUNK_FROM_STRING(chunk_tag); png_ptr->mode |= PNG_HAVE_CHUNK_HEADER; +#ifdef PNG_READ_APNG_SUPPORTED + if (png_ptr->chunk_name != png_fdAT && png_ptr->num_frames_read > 0) + { -+ if (png_ptr->flags & PNG_FLAG_ZLIB_FINISHED) ++ if (png_ptr->flags & PNG_FLAG_ZSTREAM_ENDED) + { + png_ptr->process_mode = PNG_READ_CHUNK_MODE; + if (png_ptr->frame_end_fn != NULL) @@ -537,7 +538,7 @@ diff -Naru libpng-1.5.15.org/pngpread.c libpng-1.5.15/pngpread.c { png_ptr->process_mode = PNG_READ_CHUNK_MODE; - if (!(png_ptr->flags & PNG_FLAG_ZLIB_FINISHED)) + if (!(png_ptr->flags & PNG_FLAG_ZSTREAM_ENDED)) png_error(png_ptr, "Not enough compressed data"); +#ifdef PNG_READ_APNG_SUPPORTED @@ -561,7 +562,7 @@ diff -Naru libpng-1.5.15.org/pngpread.c libpng-1.5.15/pngpread.c } if (png_ptr->idat_size && png_ptr->save_buffer_size) -@@ -859,6 +1039,15 @@ +@@ -832,6 +1013,15 @@ if (!(buffer_length > 0) || buffer == NULL) png_error(png_ptr, "No IDAT data (internal error)"); @@ -569,7 +570,7 @@ diff -Naru libpng-1.5.15.org/pngpread.c libpng-1.5.15/pngpread.c + /* If the app is not APNG-aware, decode only the first frame */ + if (!(png_ptr->apng_flags & PNG_APNG_APP) && png_ptr->num_frames_read > 0) + { -+ png_ptr->flags |= PNG_FLAG_ZLIB_FINISHED; ++ png_ptr->flags |= PNG_FLAG_ZSTREAM_ENDED; + return; + } +#endif @@ -577,7 +578,7 @@ diff -Naru libpng-1.5.15.org/pngpread.c libpng-1.5.15/pngpread.c /* This routine must process all the data it has been given * before returning, calling the row callback as required to * handle the uncompressed results. -@@ -1304,6 +1493,18 @@ +@@ -1280,6 +1470,18 @@ png_set_read_fn(png_ptr, progressive_ptr, png_push_fill_buffer); } @@ -594,30 +595,30 @@ diff -Naru libpng-1.5.15.org/pngpread.c libpng-1.5.15/pngpread.c +#endif + png_voidp PNGAPI - png_get_progressive_ptr(png_const_structp png_ptr) + png_get_progressive_ptr(png_const_structrp png_ptr) { -diff -Naru libpng-1.5.15.org/pngpriv.h libpng-1.5.15/pngpriv.h ---- libpng-1.5.15.org/pngpriv.h 2013-04-02 20:39:30.000000000 +0900 -+++ libpng-1.5.15/pngpriv.h 2013-04-02 20:39:30.000000000 +0900 -@@ -461,6 +461,10 @@ - #define PNG_HAVE_PNG_SIGNATURE 0x1000 +diff -Naru libpng-1.6.8.org/pngpriv.h libpng-1.6.8/pngpriv.h +--- libpng-1.6.8.org/pngpriv.h 2013-12-22 17:03:17.221988534 +0900 ++++ libpng-1.6.8/pngpriv.h 2013-12-22 17:03:17.289990716 +0900 +@@ -550,6 +550,10 @@ #define PNG_HAVE_CHUNK_AFTER_IDAT 0x2000 /* Have another chunk after IDAT */ - #define PNG_HAVE_iCCP 0x4000 + /* 0x4000 (unused) */ + #define PNG_IS_READ_STRUCT 0x8000 /* Else is a write struct */ +#ifdef PNG_APNG_SUPPORTED -+#define PNG_HAVE_acTL 0x8000 -+#define PNG_HAVE_fcTL 0x10000 ++#define PNG_HAVE_acTL 0x10000 ++#define PNG_HAVE_fcTL 0x20000 +#endif /* Flags for the transformations the PNG library does on the image data */ #define PNG_BGR 0x0001 -@@ -658,6 +662,16 @@ - #define png_tRNS PNG_CHUNK(116, 82, 78, 83) - #define png_zTXt PNG_CHUNK(122, 84, 88, 116) +@@ -771,6 +775,16 @@ + #define png_tRNS PNG_U32(116, 82, 78, 83) + #define png_zTXt PNG_U32(122, 84, 88, 116) +#ifdef PNG_APNG_SUPPORTED -+#define png_acTL PNG_CHUNK( 97, 99, 84, 76) -+#define png_fcTL PNG_CHUNK(102, 99, 84, 76) -+#define png_fdAT PNG_CHUNK(102, 100, 65, 84) ++#define png_acTL PNG_U32( 97, 99, 84, 76) ++#define png_fcTL PNG_U32(102, 99, 84, 76) ++#define png_fdAT PNG_U32(102, 100, 65, 84) + +/* For png_struct.apng_flags: */ +#define PNG_FIRST_FRAME_HIDDEN 0x0001 @@ -627,66 +628,68 @@ diff -Naru libpng-1.5.15.org/pngpriv.h libpng-1.5.15/pngpriv.h /* The following will work on (signed char*) strings, whereas the get_uint_32 * macro will fail on top-bit-set values because of the sign extension. */ -@@ -1349,6 +1363,45 @@ - png_bytep row)); +@@ -1583,6 +1597,47 @@ + */ #endif +#ifdef PNG_APNG_SUPPORTED -+PNG_EXTERN void png_ensure_fcTL_is_valid PNGARG((png_structp png_ptr, ++PNG_INTERNAL_FUNCTION(void,png_ensure_fcTL_is_valid,(png_structp png_ptr, + png_uint_32 width, png_uint_32 height, + png_uint_32 x_offset, png_uint_32 y_offset, + png_uint_16 delay_num, png_uint_16 delay_den, -+ png_byte dispose_op, png_byte blend_op)); ++ png_byte dispose_op, png_byte blend_op), PNG_EMPTY); + +#ifdef PNG_READ_APNG_SUPPORTED -+PNG_EXTERN void png_handle_acTL PNGARG((png_structp png_ptr, png_infop info_ptr, -+ png_uint_32 length)); -+PNG_EXTERN void png_handle_fcTL PNGARG((png_structp png_ptr, png_infop info_ptr, -+ png_uint_32 length)); -+PNG_EXTERN void png_handle_fdAT PNGARG((png_structp png_ptr, png_infop info_ptr, -+ png_uint_32 length)); -+PNG_EXTERN void png_have_info PNGARG((png_structp png_ptr, png_infop info_ptr)); -+PNG_EXTERN void png_ensure_sequence_number PNGARG((png_structp png_ptr, -+ png_uint_32 length)); -+PNG_EXTERN void png_read_reset PNGARG((png_structp png_ptr)); -+PNG_EXTERN void png_read_reinit PNGARG((png_structp png_ptr, -+ png_infop info_ptr)); ++PNG_INTERNAL_FUNCTION(void,png_handle_acTL,(png_structp png_ptr, png_infop info_ptr, ++ png_uint_32 length),PNG_EMPTY); ++PNG_INTERNAL_FUNCTION(void,png_handle_fcTL,(png_structp png_ptr, png_infop info_ptr, ++ png_uint_32 length),PNG_EMPTY); ++PNG_INTERNAL_FUNCTION(void,png_handle_fdAT,(png_structp png_ptr, png_infop info_ptr, ++ png_uint_32 length),PNG_EMPTY); ++PNG_INTERNAL_FUNCTION(void,png_have_info,(png_structp png_ptr, png_infop info_ptr),PNG_EMPTY); ++PNG_INTERNAL_FUNCTION(void,png_ensure_sequence_number,(png_structp png_ptr, ++ png_uint_32 length),PNG_EMPTY); ++PNG_INTERNAL_FUNCTION(void,png_read_reset,(png_structp png_ptr),PNG_EMPTY); ++PNG_INTERNAL_FUNCTION(void,png_read_reinit,(png_structp png_ptr, ++ png_infop info_ptr),PNG_EMPTY); +#ifdef PNG_PROGRESSIVE_READ_SUPPORTED -+PNG_EXTERN void png_progressive_read_reset PNGARG((png_structp png_ptr)); ++PNG_INTERNAL_FUNCTION(void,png_progressive_read_reset,(png_structp png_ptr),PNG_EMPTY); +#endif /* PNG_PROGRESSIVE_READ_SUPPORTED */ +#endif /* PNG_READ_APNG_SUPPORTED */ + +#ifdef PNG_WRITE_APNG_SUPPORTED -+PNG_EXTERN void png_write_acTL PNGARG((png_structp png_ptr, -+ png_uint_32 num_frames, png_uint_32 num_plays)); -+PNG_EXTERN void png_write_fcTL PNGARG((png_structp png_ptr, ++PNG_INTERNAL_FUNCTION(void,png_write_acTL,(png_structp png_ptr, ++ png_uint_32 num_frames, png_uint_32 num_plays),PNG_EMPTY); ++PNG_INTERNAL_FUNCTION(void,png_write_fcTL,(png_structp png_ptr, + png_uint_32 width, png_uint_32 height, + png_uint_32 x_offset, png_uint_32 y_offset, + png_uint_16 delay_num, png_uint_16 delay_den, -+ png_byte dispose_op, png_byte blend_op)); -+PNG_EXTERN void png_write_reset PNGARG((png_structp png_ptr)); -+PNG_EXTERN void png_write_reinit PNGARG((png_structp png_ptr, -+ png_infop info_ptr, png_uint_32 width, png_uint_32 height)); ++ png_byte dispose_op, png_byte blend_op),PNG_EMPTY); ++PNG_INTERNAL_FUNCTION(void,png_write_fdAT,(png_structp png_ptr, ++ png_const_bytep data, png_size_t length),PNG_EMPTY); ++PNG_INTERNAL_FUNCTION(void,png_write_reset,(png_structp png_ptr),PNG_EMPTY); ++PNG_INTERNAL_FUNCTION(void,png_write_reinit,(png_structp png_ptr, ++ png_infop info_ptr, png_uint_32 width, png_uint_32 height),PNG_EMPTY); +#endif /* PNG_WRITE_APNG_SUPPORTED */ +#endif /* PNG_APNG_SUPPORTED */ + /* Added at libpng version 1.4.0 */ - #ifdef PNG_CHECK_cHRM_SUPPORTED - PNG_EXTERN int png_check_cHRM_fixed PNGARG((png_structp png_ptr, -diff -Naru libpng-1.5.15.org/pngread.c libpng-1.5.15/pngread.c ---- libpng-1.5.15.org/pngread.c 2013-04-02 20:39:30.000000000 +0900 -+++ libpng-1.5.15/pngread.c 2013-04-02 20:39:30.000000000 +0900 -@@ -240,6 +240,9 @@ - !(png_ptr->mode & PNG_HAVE_PLTE)) - png_error(png_ptr, "Missing PLTE before IDAT"); + #ifdef PNG_COLORSPACE_SUPPORTED + /* These internal functions are for maintaining the colorspace structure within +diff -Naru libpng-1.6.8.org/pngread.c libpng-1.6.8/pngread.c +--- libpng-1.6.8.org/pngread.c 2013-12-22 17:03:17.222988566 +0900 ++++ libpng-1.6.8/pngread.c 2013-12-22 17:03:17.290990748 +0900 +@@ -158,6 +158,9 @@ + else if (chunk_name == png_IDAT) + { +#ifdef PNG_READ_APNG_SUPPORTED + png_have_info(png_ptr, info_ptr); +#endif png_ptr->idat_size = length; - png_ptr->mode |= PNG_HAVE_IDAT; break; -@@ -330,12 +333,90 @@ + } +@@ -247,6 +250,17 @@ png_handle_iTXt(png_ptr, info_ptr, length); #endif @@ -702,8 +705,9 @@ diff -Naru libpng-1.5.15.org/pngread.c libpng-1.5.15/pngread.c +#endif + else - png_handle_unknown(png_ptr, info_ptr, length); - } + png_handle_unknown(png_ptr, info_ptr, length, + PNG_HANDLE_CHUNK_AS_DEFAULT); +@@ -254,6 +268,72 @@ } #endif /* PNG_SEQUENTIAL_READ_SUPPORTED */ @@ -723,9 +727,8 @@ diff -Naru libpng-1.5.15.org/pngread.c libpng-1.5.15/pngread.c + if (png_ptr->num_frames_read == 0) + return; + -+ png_crc_finish(png_ptr, 0); /* CRC from last IDAT or fdAT chunk */ -+ + png_read_reset(png_ptr); ++ png_ptr->flags &= ~PNG_FLAG_ROW_INIT; + png_ptr->mode &= ~PNG_HAVE_fcTL; + + have_chunk_after_DAT = 0; @@ -776,68 +779,11 @@ diff -Naru libpng-1.5.15.org/pngread.c libpng-1.5.15/pngread.c + /* Optional call to update the users info_ptr structure */ void PNGAPI - png_read_update_info(png_structp png_ptr, png_infop info_ptr) -@@ -537,6 +618,38 @@ - { - if (!(png_ptr->zstream.avail_in)) - { -+#ifdef PNG_READ_APNG_SUPPORTED -+ png_uint_32 bytes_to_skip = 0; -+ -+ while (!png_ptr->idat_size || bytes_to_skip != 0) -+ { -+ png_crc_finish(png_ptr, bytes_to_skip); -+ bytes_to_skip = 0; -+ -+ png_ptr->idat_size = png_read_chunk_header(png_ptr); -+ if (png_ptr->num_frames_read == 0) -+ { -+ if (png_ptr->chunk_name != png_IDAT) -+ png_error(png_ptr, "Not enough image data"); -+ } -+ else -+ { -+ if (png_ptr->chunk_name == png_IEND) -+ png_error(png_ptr, "Not enough image data"); -+ if (png_ptr->chunk_name != png_fdAT) -+ { -+ png_warning(png_ptr, "Skipped (ignored) a chunk " -+ "between APNG chunks"); -+ bytes_to_skip = png_ptr->idat_size; -+ continue; -+ } -+ -+ png_ensure_sequence_number(png_ptr, png_ptr->idat_size); -+ -+ png_ptr->idat_size -= 4; -+ } -+ } -+#else - while (!png_ptr->idat_size) - { - png_crc_finish(png_ptr, 0); -@@ -545,6 +658,7 @@ - if (png_ptr->chunk_name != png_IDAT) - png_error(png_ptr, "Not enough image data"); - } -+#endif - png_ptr->zstream.avail_in = (uInt)png_ptr->zbuf_size; - png_ptr->zstream.next_in = png_ptr->zbuf; - if (png_ptr->zbuf_size > png_ptr->idat_size) -@@ -563,6 +677,9 @@ - png_benign_error(png_ptr, "Extra compressed data"); - png_ptr->mode |= PNG_AFTER_IDAT; - png_ptr->flags |= PNG_FLAG_ZLIB_FINISHED; -+#ifdef PNG_READ_APNG_SUPPORTED -+ png_ptr->num_frames_read++; -+#endif - break; - } - -diff -Naru libpng-1.5.15.org/pngrutil.c libpng-1.5.15/pngrutil.c ---- libpng-1.5.15.org/pngrutil.c 2013-04-02 20:39:30.000000000 +0900 -+++ libpng-1.5.15/pngrutil.c 2013-04-02 20:39:30.000000000 +0900 -@@ -547,6 +547,11 @@ + png_read_update_info(png_structrp png_ptr, png_inforp info_ptr) +diff -Naru libpng-1.6.8.org/pngrutil.c libpng-1.6.8/pngrutil.c +--- libpng-1.6.8.org/pngrutil.c 2013-12-22 17:03:17.224988631 +0900 ++++ libpng-1.6.8/pngrutil.c 2013-12-22 17:03:17.291990780 +0900 +@@ -826,6 +826,11 @@ filter_type = buf[11]; interlace_type = buf[12]; @@ -849,7 +795,7 @@ diff -Naru libpng-1.5.15.org/pngrutil.c libpng-1.5.15/pngrutil.c /* Set internal variables */ png_ptr->width = width; png_ptr->height = height; -@@ -2624,6 +2629,179 @@ +@@ -2700,6 +2705,179 @@ } #endif @@ -1026,10 +972,68 @@ diff -Naru libpng-1.5.15.org/pngrutil.c libpng-1.5.15/pngrutil.c +} +#endif /* PNG_READ_APNG_SUPPORTED */ + - /* This function is called when we haven't found a handler for a - * chunk. If there isn't a problem with the chunk itself (ie bad - * chunk name, CRC, or a critical chunk), the chunk is silently ignored -@@ -4114,4 +4292,81 @@ + #ifdef PNG_READ_UNKNOWN_CHUNKS_SUPPORTED + /* Utility function for png_handle_unknown; set up png_ptr::unknown_chunk */ + static int +@@ -3956,7 +4134,38 @@ + { + uInt avail_in; + png_bytep buffer; ++#ifdef PNG_READ_APNG_SUPPORTED ++ png_uint_32 bytes_to_skip = 0; ++ ++ while (png_ptr->idat_size == 0 || bytes_to_skip != 0) ++ { ++ png_crc_finish(png_ptr, bytes_to_skip); ++ bytes_to_skip = 0; + ++ png_ptr->idat_size = png_read_chunk_header(png_ptr); ++ if (png_ptr->num_frames_read == 0) ++ { ++ if (png_ptr->chunk_name != png_IDAT) ++ png_error(png_ptr, "Not enough image data"); ++ } ++ else ++ { ++ if (png_ptr->chunk_name == png_IEND) ++ png_error(png_ptr, "Not enough image data"); ++ if (png_ptr->chunk_name != png_fdAT) ++ { ++ png_warning(png_ptr, "Skipped (ignored) a chunk " ++ "between APNG chunks"); ++ bytes_to_skip = png_ptr->idat_size; ++ continue; ++ } ++ ++ png_ensure_sequence_number(png_ptr, png_ptr->idat_size); ++ ++ png_ptr->idat_size -= 4; ++ } ++ } ++#else + while (png_ptr->idat_size == 0) + { + png_crc_finish(png_ptr, 0); +@@ -3968,7 +4177,7 @@ + if (png_ptr->chunk_name != png_IDAT) + png_error(png_ptr, "Not enough image data"); + } +- ++#endif /* PNG_READ_APNG_SUPPORTED */ + avail_in = png_ptr->IDAT_read_size; + + if (avail_in > png_ptr->idat_size) +@@ -4031,6 +4240,9 @@ + + png_ptr->mode |= PNG_AFTER_IDAT; + png_ptr->flags |= PNG_FLAG_ZSTREAM_ENDED; ++#ifdef PNG_READ_APNG_SUPPORTED ++ png_ptr->num_frames_read++; ++#endif + + if (png_ptr->zstream.avail_in > 0 || png_ptr->idat_size > 0) + png_chunk_benign_error(png_ptr, "Extra compressed data"); +@@ -4476,4 +4688,80 @@ png_ptr->flags |= PNG_FLAG_ROW_INIT; } @@ -1045,7 +1049,6 @@ diff -Naru libpng-1.5.15.org/pngrutil.c libpng-1.5.15/pngrutil.c + png_ptr->mode &= ~PNG_AFTER_IDAT; + png_ptr->row_number = 0; + png_ptr->pass = 0; -+ png_ptr->flags &= ~PNG_FLAG_ROW_INIT; +} + +void /* PRIVATE */ @@ -1057,7 +1060,7 @@ diff -Naru libpng-1.5.15.org/pngrutil.c libpng-1.5.15/pngrutil.c + png_ptr->info_rowbytes = PNG_ROWBYTES(info_ptr->pixel_depth, + png_ptr->width); + if (png_ptr->prev_row) -+ png_memset(png_ptr->prev_row, 0, png_ptr->rowbytes + 1); ++ memset(png_ptr->prev_row, 0, png_ptr->rowbytes + 1); +} + +#ifdef PNG_PROGRESSIVE_READ_SUPPORTED @@ -1069,16 +1072,16 @@ diff -Naru libpng-1.5.15.org/pngrutil.c libpng-1.5.15/pngrutil.c + /* Arrays to facilitate easy interlacing - use pass (0 - 6) as index */ + + /* Start of interlace block */ -+ const int FARDATA png_pass_start[] = {0, 4, 0, 2, 0, 1, 0}; ++ const int png_pass_start[] = {0, 4, 0, 2, 0, 1, 0}; + + /* Offset to next interlace block */ -+ const int FARDATA png_pass_inc[] = {8, 8, 4, 4, 2, 2, 1}; ++ const int png_pass_inc[] = {8, 8, 4, 4, 2, 2, 1}; + + /* Start of interlace block in the y direction */ -+ const int FARDATA png_pass_ystart[] = {0, 0, 4, 0, 2, 0, 1}; ++ const int png_pass_ystart[] = {0, 0, 4, 0, 2, 0, 1}; + + /* Offset to next interlace block in the y direction */ -+ const int FARDATA png_pass_yinc[] = {8, 8, 8, 4, 4, 2, 2}; ++ const int png_pass_yinc[] = {8, 8, 8, 4, 4, 2, 2}; + + if (png_ptr->interlaced) + { @@ -1099,7 +1102,7 @@ diff -Naru libpng-1.5.15.org/pngrutil.c libpng-1.5.15/pngrutil.c + png_ptr->num_rows = png_ptr->height; + png_ptr->iwidth = png_ptr->width; + } -+ png_ptr->flags &= ~PNG_FLAG_ZLIB_FINISHED; ++ png_ptr->flags &= ~PNG_FLAG_ZSTREAM_ENDED; + if (inflateReset(&(png_ptr->zstream)) != Z_OK) + png_error(png_ptr, "inflateReset failed"); + png_ptr->zstream.avail_in = 0; @@ -1111,13 +1114,13 @@ diff -Naru libpng-1.5.15.org/pngrutil.c libpng-1.5.15/pngrutil.c +#endif /* PNG_PROGRESSIVE_READ_SUPPORTED */ +#endif /* PNG_READ_APNG_SUPPORTED */ #endif /* PNG_READ_SUPPORTED */ -diff -Naru libpng-1.5.15.org/pngset.c libpng-1.5.15/pngset.c ---- libpng-1.5.15.org/pngset.c 2013-04-02 20:39:30.000000000 +0900 -+++ libpng-1.5.15/pngset.c 2013-04-02 20:39:30.000000000 +0900 -@@ -262,6 +262,11 @@ - info_ptr->rowbytes = 0; - else - info_ptr->rowbytes = PNG_ROWBYTES(info_ptr->pixel_depth, width); +diff -Naru libpng-1.6.8.org/pngset.c libpng-1.6.8/pngset.c +--- libpng-1.6.8.org/pngset.c 2013-12-22 17:03:17.224988631 +0900 ++++ libpng-1.6.8/pngset.c 2013-12-22 17:03:17.292990812 +0900 +@@ -239,6 +239,11 @@ + info_ptr->pixel_depth = (png_byte)(info_ptr->channels * info_ptr->bit_depth); + + info_ptr->rowbytes = PNG_ROWBYTES(info_ptr->pixel_depth, width); + +#ifdef PNG_APNG_SUPPORTED + /* for non-animated png. this may be overwritten from an acTL chunk later */ @@ -1126,7 +1129,7 @@ diff -Naru libpng-1.5.15.org/pngset.c libpng-1.5.15/pngset.c } #ifdef PNG_oFFs_SUPPORTED -@@ -1048,6 +1053,147 @@ +@@ -1065,6 +1070,147 @@ } #endif /* PNG_sPLT_SUPPORTED */ @@ -1225,10 +1228,6 @@ diff -Naru libpng-1.5.15.org/pngset.c libpng-1.5.15/pngset.c + png_uint_16 delay_num, png_uint_16 delay_den, + png_byte dispose_op, png_byte blend_op) +{ -+ if (width + x_offset > png_ptr->first_frame_width || -+ height + y_offset > png_ptr->first_frame_height) -+ png_error(png_ptr, "dimensions of a frame are greater than" -+ "the ones in IHDR"); + if (width > PNG_UINT_31_MAX) + png_error(png_ptr, "invalid width in fcTL (> 2^31-1)"); + if (height > PNG_UINT_31_MAX) @@ -1237,6 +1236,10 @@ diff -Naru libpng-1.5.15.org/pngset.c libpng-1.5.15/pngset.c + png_error(png_ptr, "invalid x_offset in fcTL (> 2^31-1)"); + if (y_offset > PNG_UINT_31_MAX) + png_error(png_ptr, "invalid y_offset in fcTL (> 2^31-1)"); ++ if (width + x_offset > png_ptr->first_frame_width || ++ height + y_offset > png_ptr->first_frame_height) ++ png_error(png_ptr, "dimensions of a frame are greater than" ++ "the ones in IHDR"); + + if (dispose_op != PNG_DISPOSE_OP_NONE && + dispose_op != PNG_DISPOSE_OP_BACKGROUND && @@ -1271,13 +1274,13 @@ diff -Naru libpng-1.5.15.org/pngset.c libpng-1.5.15/pngset.c +} +#endif /* PNG_APNG_SUPPORTED */ + - #ifdef PNG_UNKNOWN_CHUNKS_SUPPORTED - void PNGAPI - png_set_unknown_chunks(png_structp png_ptr, -diff -Naru libpng-1.5.15.org/pngstruct.h libpng-1.5.15/pngstruct.h ---- libpng-1.5.15.org/pngstruct.h 2013-04-02 20:39:30.000000000 +0900 -+++ libpng-1.5.15/pngstruct.h 2013-04-02 20:39:30.000000000 +0900 -@@ -293,6 +293,27 @@ + #ifdef PNG_STORE_UNKNOWN_CHUNKS_SUPPORTED + static png_byte + check_location(png_const_structrp png_ptr, int location) +diff -Naru libpng-1.6.8.org/pngstruct.h libpng-1.6.8/pngstruct.h +--- libpng-1.6.8.org/pngstruct.h 2013-12-22 17:03:17.224988631 +0900 ++++ libpng-1.6.8/pngstruct.h 2013-12-22 17:03:17.292990812 +0900 +@@ -409,6 +409,27 @@ png_byte filter_type; #endif @@ -1305,10 +1308,10 @@ diff -Naru libpng-1.5.15.org/pngstruct.h libpng-1.5.15/pngstruct.h /* New members added in libpng-1.2.0 */ /* New members added in libpng-1.0.2 but first enabled by default in 1.2.0 */ -diff -Naru libpng-1.5.15.org/pngtest.c libpng-1.5.15/pngtest.c ---- libpng-1.5.15.org/pngtest.c 2013-04-02 20:39:30.000000000 +0900 -+++ libpng-1.5.15/pngtest.c 2013-04-02 20:39:30.000000000 +0900 -@@ -822,6 +822,10 @@ +diff -Naru libpng-1.6.8.org/pngtest.c libpng-1.6.8/pngtest.c +--- libpng-1.6.8.org/pngtest.c 2013-12-22 17:03:17.224988631 +0900 ++++ libpng-1.6.8/pngtest.c 2013-12-22 17:03:17.292990812 +0900 +@@ -840,6 +840,10 @@ png_uint_32 width, height; int num_pass, pass; int bit_depth, color_type; @@ -1319,7 +1322,7 @@ diff -Naru libpng-1.5.15.org/pngtest.c libpng-1.5.15/pngtest.c row_buf = NULL; error_parameters.file_name = inname; -@@ -1271,6 +1275,20 @@ +@@ -1290,6 +1294,20 @@ } } #endif @@ -1340,7 +1343,7 @@ diff -Naru libpng-1.5.15.org/pngtest.c libpng-1.5.15/pngtest.c #ifdef PNG_WRITE_UNKNOWN_CHUNKS_SUPPORTED { png_unknown_chunkp unknowns; -@@ -1336,6 +1354,89 @@ +@@ -1355,6 +1373,89 @@ t_misc += (t_stop - t_start); t_start = t_stop; #endif @@ -1430,21 +1433,21 @@ diff -Naru libpng-1.5.15.org/pngtest.c libpng-1.5.15/pngtest.c for (pass = 0; pass < num_pass; pass++) { pngtest_debug1("Writing row data for pass %d", pass); -diff -Naru libpng-1.5.15.org/pngwrite.c libpng-1.5.15/pngwrite.c ---- libpng-1.5.15.org/pngwrite.c 2013-04-02 20:39:30.000000000 +0900 -+++ libpng-1.5.15/pngwrite.c 2013-04-02 20:39:30.000000000 +0900 -@@ -58,6 +58,10 @@ - /* The rest of these check to see if the valid field has the appropriate - * flag set, and if it does, writes the chunk. +diff -Naru libpng-1.6.8.org/pngwrite.c libpng-1.6.8/pngwrite.c +--- libpng-1.6.8.org/pngwrite.c 2013-12-22 17:03:17.225988663 +0900 ++++ libpng-1.6.8/pngwrite.c 2013-12-22 17:03:17.310991389 +0900 +@@ -127,6 +127,10 @@ + * application continues writing the PNG. So check the 'invalid' flag here + * too. */ +#ifdef PNG_WRITE_APNG_SUPPORTED + if (info_ptr->valid & PNG_INFO_acTL) + png_write_acTL(png_ptr, info_ptr->num_frames, info_ptr->num_plays); +#endif - #ifdef PNG_WRITE_gAMA_SUPPORTED - if (info_ptr->valid & PNG_INFO_gAMA) - png_write_gAMA_fixed(png_ptr, info_ptr->gamma); -@@ -310,6 +314,11 @@ + #ifdef PNG_GAMMA_SUPPORTED + # ifdef PNG_WRITE_gAMA_SUPPORTED + if (!(info_ptr->colorspace.flags & PNG_COLORSPACE_INVALID) && +@@ -357,6 +361,11 @@ png_benign_error(png_ptr, "Wrote palette index exceeding num_palette"); #endif @@ -1456,11 +1459,10 @@ diff -Naru libpng-1.5.15.org/pngwrite.c libpng-1.5.15/pngwrite.c /* See if user wants us to write information chunks */ if (info_ptr != NULL) { -@@ -1667,4 +1676,42 @@ - PNG_UNUSED(params) +@@ -1560,6 +1569,43 @@ } #endif -+ + +#ifdef PNG_WRITE_APNG_SUPPORTED +void PNGAPI +png_write_frame_head(png_structp png_ptr, png_infop info_ptr, @@ -1498,11 +1500,13 @@ diff -Naru libpng-1.5.15.org/pngwrite.c libpng-1.5.15/pngwrite.c + PNG_UNUSED(info_ptr) +} +#endif /* PNG_WRITE_APNG_SUPPORTED */ - #endif /* PNG_WRITE_SUPPORTED */ -diff -Naru libpng-1.5.15.org/pngwutil.c libpng-1.5.15/pngwutil.c ---- libpng-1.5.15.org/pngwutil.c 2013-04-02 20:39:30.000000000 +0900 -+++ libpng-1.5.15/pngwutil.c 2013-04-02 20:39:30.000000000 +0900 -@@ -818,6 +818,11 @@ + + #ifdef PNG_SIMPLIFIED_WRITE_SUPPORTED + #ifdef PNG_STDIO_SUPPORTED /* currently required for png_image_write_* */ +diff -Naru libpng-1.6.8.org/pngwutil.c libpng-1.6.8/pngwutil.c +--- libpng-1.6.8.org/pngwutil.c 2013-12-22 17:03:17.226988695 +0900 ++++ libpng-1.6.8/pngwutil.c 2013-12-22 17:03:17.311991421 +0900 +@@ -898,6 +898,11 @@ /* Write the chunk */ png_write_complete_chunk(png_ptr, png_IHDR, buf, (png_size_t)13); @@ -1511,39 +1515,41 @@ diff -Naru libpng-1.5.15.org/pngwutil.c libpng-1.5.15/pngwutil.c + png_ptr->first_frame_height = height; +#endif + - /* Initialize zlib with PNG info */ - png_ptr->zstream.zalloc = png_zalloc; - png_ptr->zstream.zfree = png_zfree; -@@ -1032,7 +1037,28 @@ - } - #endif /* PNG_WRITE_OPTIMIZE_CMF_SUPPORTED */ + if (!(png_ptr->do_filter)) + { + if (png_ptr->color_type == PNG_COLOR_TYPE_PALETTE || +@@ -1076,7 +1081,14 @@ + optimize_cmf(data, png_image_size(png_ptr)); + # endif -+#ifdef PNG_WRITE_APNG_SUPPORTED -+ if (png_ptr->num_frames_written == 0) -+#endif - png_write_complete_chunk(png_ptr, png_IDAT, data, length); -+#ifdef PNG_WRITE_APNG_SUPPORTED -+ else -+ { -+ png_byte buf[4]; -+ -+ png_write_chunk_header(png_ptr, png_fdAT, 4 + length); -+ -+ png_save_uint_32(buf, png_ptr->next_seq_num); -+ png_write_chunk_data(png_ptr, buf, 4); -+ -+ png_write_chunk_data(png_ptr, data, length); -+ -+ png_write_chunk_end(png_ptr); -+ -+ png_ptr->next_seq_num++; -+ } -+#endif /* PNG_WRITE_APNG_SUPPORTED */ -+ - png_ptr->mode |= PNG_HAVE_IDAT; ++# ifdef PNG_WRITE_APNG_SUPPORTED ++ if (png_ptr->num_frames_written == 0) ++# endif + png_write_complete_chunk(png_ptr, png_IDAT, data, size); ++# ifdef PNG_WRITE_APNG_SUPPORTED ++ else ++ png_write_fdAT(png_ptr, data, size); ++# endif /* PNG_WRITE_APNG_SUPPORTED */ + png_ptr->mode |= PNG_HAVE_IDAT; - /* Prior to 1.5.4 this code was replicated in every caller (except at the -@@ -1995,6 +2021,64 @@ + png_ptr->zstream.next_out = data; +@@ -1122,7 +1134,15 @@ + optimize_cmf(data, png_image_size(png_ptr)); + # endif + ++# ifdef PNG_WRITE_APNG_SUPPORTED ++ if (png_ptr->num_frames_written == 0) ++# endif + png_write_complete_chunk(png_ptr, png_IDAT, data, size); ++# ifdef PNG_WRITE_APNG_SUPPORTED ++ else ++ png_write_fdAT(png_ptr, data, size); ++# endif /* PNG_WRITE_APNG_SUPPORTED */ ++ + png_ptr->zstream.avail_out = 0; + png_ptr->zstream.next_out = NULL; + png_ptr->mode |= PNG_HAVE_IDAT | PNG_AFTER_IDAT; +@@ -1934,6 +1954,82 @@ } #endif @@ -1603,12 +1609,30 @@ diff -Naru libpng-1.5.15.org/pngwutil.c libpng-1.5.15/pngwutil.c + + png_ptr->next_seq_num++; +} ++ ++void /* PRIVATE */ ++png_write_fdAT(png_structp png_ptr, ++ png_const_bytep data, png_size_t length) ++{ ++ png_byte buf[4]; ++ ++ png_write_chunk_header(png_ptr, png_fdAT, (png_uint_32)(4 + length)); ++ ++ png_save_uint_32(buf, png_ptr->next_seq_num); ++ png_write_chunk_data(png_ptr, buf, 4); ++ ++ png_write_chunk_data(png_ptr, data, length); ++ ++ png_write_chunk_end(png_ptr); ++ ++ png_ptr->next_seq_num++; ++} +#endif /* PNG_WRITE_APNG_SUPPORTED */ + /* Initializes the row writing capability of libpng */ void /* PRIVATE */ - png_write_start_row(png_structp png_ptr) -@@ -3174,4 +3258,39 @@ + png_write_start_row(png_structrp png_ptr) +@@ -3020,4 +3116,39 @@ } #endif } @@ -1648,30 +1672,30 @@ diff -Naru libpng-1.5.15.org/pngwutil.c libpng-1.5.15/pngwutil.c +} +#endif /* PNG_WRITE_APNG_SUPPORTED */ #endif /* PNG_WRITE_SUPPORTED */ -diff -Naru libpng-1.5.15.org/scripts/symbols.def libpng-1.5.15/scripts/symbols.def ---- libpng-1.5.15.org/scripts/symbols.def 2013-04-02 20:39:30.000000000 +0900 -+++ libpng-1.5.15/scripts/symbols.def 2013-04-02 20:39:30.000000000 +0900 -@@ -242,3 +242,23 @@ - png_set_check_for_invalid_index @234 - png_get_palette_max @235 - png_set_option @236 -+ png_get_acTL @237 -+ png_set_acTL @238 -+ png_get_num_frames @239 -+ png_get_num_plays @240 -+ png_get_next_frame_fcTL @241 -+ png_set_next_frame_fcTL @242 -+ png_get_next_frame_width @243 -+ png_get_next_frame_height @244 -+ png_get_next_frame_x_offset @245 -+ png_get_next_frame_y_offset @246 -+ png_get_next_frame_delay_num @247 -+ png_get_next_frame_delay_den @248 -+ png_get_next_frame_dispose_op @249 -+ png_get_next_frame_blend_op @250 -+ png_get_first_frame_is_hidden @251 -+ png_set_first_frame_is_hidden @252 -+ png_read_frame_head @253 -+ png_set_progressive_frame_fn @254 -+ png_write_frame_head @255 -+ png_write_frame_tail @256 +diff -Naru libpng-1.6.8.org/scripts/symbols.def libpng-1.6.8/scripts/symbols.def +--- libpng-1.6.8.org/scripts/symbols.def 2013-12-22 17:03:17.232988887 +0900 ++++ libpng-1.6.8/scripts/symbols.def 2013-12-22 17:03:17.317991614 +0900 +@@ -249,3 +249,23 @@ + png_set_check_for_invalid_index @242 + png_get_palette_max @243 + png_set_option @244 ++ png_get_acTL @245 ++ png_set_acTL @246 ++ png_get_num_frames @247 ++ png_get_num_plays @248 ++ png_get_next_frame_fcTL @249 ++ png_set_next_frame_fcTL @250 ++ png_get_next_frame_width @251 ++ png_get_next_frame_height @252 ++ png_get_next_frame_x_offset @253 ++ png_get_next_frame_y_offset @254 ++ png_get_next_frame_delay_num @255 ++ png_get_next_frame_delay_den @256 ++ png_get_next_frame_dispose_op @257 ++ png_get_next_frame_blend_op @258 ++ png_get_first_frame_is_hidden @259 ++ png_set_first_frame_is_hidden @260 ++ png_read_frame_head @261 ++ png_set_progressive_frame_fn @262 ++ png_write_frame_head @263 ++ png_write_frame_tail @264 |