diff --git a/README.md b/README.md index e47ca8d..bfd1a09 100644 --- a/README.md +++ b/README.md @@ -1,2 +1,4 @@ # libpng +This package contains the library needed to run programs dynamically linked with libpng. + diff --git a/libpng-1.2.8-link_to_proper_libs.patch b/libpng-1.2.8-link_to_proper_libs.patch new file mode 100644 index 0000000..090b0b1 --- /dev/null +++ b/libpng-1.2.8-link_to_proper_libs.patch @@ -0,0 +1,49 @@ +diff -ur libpng-1.2.8/scripts/libpng.pc.in libpng-1.2.8-fix/scripts/libpng.pc.in +--- libpng-1.2.8/scripts/libpng.pc.in 2004-12-03 00:14:31.000000000 +0000 ++++ libpng-1.2.8-fix/scripts/libpng.pc.in 2005-02-16 07:57:32.000000000 +0000 +@@ -7,5 +7,5 @@ + Name: libpng12 + Description: Loads and saves PNG files + Version: 1.2.8 +-Libs: -L${libdir} -lpng12 -lz -lm ++Libs: -L${libdir} -lpng12 + Cflags: -I${includedir}/libpng12 +diff -ur libpng-1.2.8/scripts/makefile.linux libpng-1.2.8-fix/scripts/makefile.linux +--- libpng-1.2.8/scripts/makefile.linux 2005-02-16 07:56:58.000000000 +0000 ++++ libpng-1.2.8-fix/scripts/makefile.linux 2005-02-16 08:00:21.000000000 +0000 +@@ -32,8 +32,9 @@ + CFLAGS=-I$(ZLIBINC) -Wall -O3 -funroll-loops \ + $(ALIGN) # $(WARNMORE) -g -DPNG_DEBUG=5 + +-LDFLAGS=-L. -Wl,-rpath,. -L$(ZLIBLIB) -Wl,-rpath,$(ZLIBLIB) -lpng12 -lz -lm +-LDFLAGS_A=-L$(ZLIBLIB) -Wl,-rpath,$(ZLIBLIB) libpng.a -lz -lm ++LIBS=-lz -lm ++LDFLAGS=-L. -Wl,-rpath,. -L$(ZLIBLIB) -Wl,-rpath,$(ZLIBLIB) -lpng12 ++LDFLAGS_A=-L$(ZLIBLIB) -Wl,-rpath,$(ZLIBLIB) libpng.a $(LIBS) + + RANLIB=ranlib + #RANLIB=echo +@@ -81,7 +82,7 @@ + echo I_opts=\"-I$(INCPATH)/$(LIBNAME)\"; \ + echo L_opts=\"-L$(LIBPATH)\"; \ + echo R_opts=\"-Wl,-rpath,$(LIBPATH)\"; \ +- echo libs=\"-lpng12 -lz -lm\"; \ ++ echo libs=\"-lpng12\"; \ + cat scripts/libpng-config-body.in ) > libpng-config + chmod +x libpng-config + +@@ -94,12 +95,12 @@ + $(LIBNAME).so.$(PNGVER): $(OBJSDLL) + $(CC) -shared -Wl,-soname,$(LIBNAME).so.$(PNGMAJ) \ + -o $(LIBNAME).so.$(PNGVER) \ +- $(OBJSDLL) ++ $(OBJSDLL) $(LIBS) + + libpng.so.3.$(PNGMIN): $(OBJSDLL) + $(CC) -shared -Wl,-soname,libpng.so.3 \ + -o libpng.so.3.$(PNGMIN) \ +- $(OBJSDLL) ++ $(OBJSDLL) $(LIBS) + + pngtest: pngtest.o $(LIBNAME).so + $(CC) -o pngtest $(CFLAGS) pngtest.o $(LDFLAGS) diff --git a/libpng-1.6.10-apng.patch b/libpng-1.6.10-apng.patch new file mode 100644 index 0000000..e4f79b7 --- /dev/null +++ b/libpng-1.6.10-apng.patch @@ -0,0 +1,1701 @@ +diff -Naru libpng-1.6.10.org/png.h libpng-1.6.10/png.h +--- libpng-1.6.10.org/png.h 2014-03-08 13:00:52.521104794 +0900 ++++ libpng-1.6.10/png.h 2014-03-08 13:03:06.451467252 +0900 +@@ -457,6 +457,10 @@ + # include "pnglibconf.h" + #endif + ++#define PNG_APNG_SUPPORTED ++#define PNG_READ_APNG_SUPPORTED ++#define PNG_WRITE_APNG_SUPPORTED ++ + #ifndef PNG_VERSION_INFO_ONLY + /* Machine specific configuration. */ + # include "pngconf.h" +@@ -547,6 +551,17 @@ + * See pngconf.h for base types that vary by machine/system + */ + ++#ifdef PNG_APNG_SUPPORTED ++/* dispose_op flags from inside fcTL */ ++#define PNG_DISPOSE_OP_NONE 0x00 ++#define PNG_DISPOSE_OP_BACKGROUND 0x01 ++#define PNG_DISPOSE_OP_PREVIOUS 0x02 ++ ++/* blend_op flags from inside fcTL */ ++#define PNG_BLEND_OP_SOURCE 0x00 ++#define PNG_BLEND_OP_OVER 0x01 ++#endif /* PNG_APNG_SUPPORTED */ ++ + /* This triggers a compiler error in png.c, if png.c and png.h + * do not agree upon the version number. + */ +@@ -867,6 +882,10 @@ + #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 */ ++#ifdef PNG_APNG_SUPPORTED ++#define PNG_INFO_acTL 0x10000 ++#define PNG_INFO_fcTL 0x20000 ++#endif + + /* This is used for the transformation routines, as some of them + * change these values for the row. It also should enable using +@@ -904,6 +923,10 @@ + #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)); ++#ifdef PNG_APNG_SUPPORTED ++typedef PNG_CALLBACK(void, *png_progressive_frame_ptr, (png_structp, ++ png_uint_32)); ++#endif + + /* 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 +@@ -3240,6 +3263,74 @@ + /******************************************************************************* + * END OF HARDWARE OPTIONS + ******************************************************************************/ ++#ifdef PNG_APNG_SUPPORTED ++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(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(247, png_uint_32, png_get_num_frames, (png_structp png_ptr, ++ png_infop info_ptr)); ++ ++PNG_EXPORT(248, png_uint_32, png_get_num_plays, (png_structp png_ptr, ++ png_infop info_ptr)); ++ ++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(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(251, png_uint_32, png_get_next_frame_width, ++ (png_structp png_ptr, png_infop info_ptr)); ++PNG_EXPORT(252, png_uint_32, png_get_next_frame_height, ++ (png_structp png_ptr, png_infop info_ptr)); ++PNG_EXPORT(253, png_uint_32, png_get_next_frame_x_offset, ++ (png_structp png_ptr, png_infop info_ptr)); ++PNG_EXPORT(254, png_uint_32, png_get_next_frame_y_offset, ++ (png_structp png_ptr, png_infop info_ptr)); ++PNG_EXPORT(255, png_uint_16, png_get_next_frame_delay_num, ++ (png_structp png_ptr, png_infop info_ptr)); ++PNG_EXPORT(256, png_uint_16, png_get_next_frame_delay_den, ++ (png_structp png_ptr, png_infop info_ptr)); ++PNG_EXPORT(257, png_byte, png_get_next_frame_dispose_op, ++ (png_structp png_ptr, png_infop info_ptr)); ++PNG_EXPORT(258, png_byte, png_get_next_frame_blend_op, ++ (png_structp png_ptr, png_infop info_ptr)); ++PNG_EXPORT(259, png_byte, png_get_first_frame_is_hidden, ++ (png_structp png_ptr, png_infop info_ptr)); ++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(261, void, png_read_frame_head, (png_structp png_ptr, ++ png_infop info_ptr)); ++#ifdef PNG_PROGRESSIVE_READ_SUPPORTED ++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(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(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, scripts/pnglibconf.h, and scripts/pnglibconf.h.prebuilt +@@ -3250,7 +3341,11 @@ + * scripts/symbols.def as well. + */ + #ifdef PNG_EXPORT_LAST_ORDINAL ++#ifdef PNG_APNG_SUPPORTED ++ PNG_EXPORT_LAST_ORDINAL(264); ++#else + PNG_EXPORT_LAST_ORDINAL(244); ++#endif /* PNG_APNG_SUPPORTED */ + #endif + + #ifdef __cplusplus +diff -Naru libpng-1.6.10.org/pngget.c libpng-1.6.10/pngget.c +--- libpng-1.6.10.org/pngget.c 2014-03-08 13:00:52.521104794 +0900 ++++ libpng-1.6.10/pngget.c 2014-03-08 13:03:06.451467252 +0900 +@@ -1174,4 +1174,166 @@ + # endif + #endif + ++#ifdef PNG_APNG_SUPPORTED ++png_uint_32 PNGAPI ++png_get_acTL(png_structp png_ptr, png_infop info_ptr, ++ png_uint_32 *num_frames, png_uint_32 *num_plays) ++{ ++ png_debug1(1, "in %s retrieval function", "acTL"); ++ ++ if (png_ptr != NULL && info_ptr != NULL && ++ (info_ptr->valid & PNG_INFO_acTL) && ++ num_frames != NULL && num_plays != NULL) ++ { ++ *num_frames = info_ptr->num_frames; ++ *num_plays = info_ptr->num_plays; ++ return (1); ++ } ++ ++ return (0); ++} ++ ++png_uint_32 PNGAPI ++png_get_num_frames(png_structp png_ptr, png_infop info_ptr) ++{ ++ png_debug(1, "in png_get_num_frames()"); ++ ++ if (png_ptr != NULL && info_ptr != NULL) ++ return (info_ptr->num_frames); ++ return (0); ++} ++ ++png_uint_32 PNGAPI ++png_get_num_plays(png_structp png_ptr, png_infop info_ptr) ++{ ++ png_debug(1, "in png_get_num_plays()"); ++ ++ if (png_ptr != NULL && info_ptr != NULL) ++ return (info_ptr->num_plays); ++ return (0); ++} ++ ++png_uint_32 PNGAPI ++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_debug1(1, "in %s retrieval function", "fcTL"); ++ ++ if (png_ptr != NULL && info_ptr != NULL && ++ (info_ptr->valid & PNG_INFO_fcTL) && ++ width != NULL && height != NULL && ++ x_offset != NULL && y_offset != NULL && ++ delay_num != NULL && delay_den != NULL && ++ dispose_op != NULL && blend_op != NULL) ++ { ++ *width = info_ptr->next_frame_width; ++ *height = info_ptr->next_frame_height; ++ *x_offset = info_ptr->next_frame_x_offset; ++ *y_offset = info_ptr->next_frame_y_offset; ++ *delay_num = info_ptr->next_frame_delay_num; ++ *delay_den = info_ptr->next_frame_delay_den; ++ *dispose_op = info_ptr->next_frame_dispose_op; ++ *blend_op = info_ptr->next_frame_blend_op; ++ return (1); ++ } ++ ++ return (0); ++} ++ ++png_uint_32 PNGAPI ++png_get_next_frame_width(png_structp png_ptr, png_infop info_ptr) ++{ ++ png_debug(1, "in png_get_next_frame_width()"); ++ ++ if (png_ptr != NULL && info_ptr != NULL) ++ return (info_ptr->next_frame_width); ++ return (0); ++} ++ ++png_uint_32 PNGAPI ++png_get_next_frame_height(png_structp png_ptr, png_infop info_ptr) ++{ ++ png_debug(1, "in png_get_next_frame_height()"); ++ ++ if (png_ptr != NULL && info_ptr != NULL) ++ return (info_ptr->next_frame_height); ++ return (0); ++} ++ ++png_uint_32 PNGAPI ++png_get_next_frame_x_offset(png_structp png_ptr, png_infop info_ptr) ++{ ++ png_debug(1, "in png_get_next_frame_x_offset()"); ++ ++ if (png_ptr != NULL && info_ptr != NULL) ++ return (info_ptr->next_frame_x_offset); ++ return (0); ++} ++ ++png_uint_32 PNGAPI ++png_get_next_frame_y_offset(png_structp png_ptr, png_infop info_ptr) ++{ ++ png_debug(1, "in png_get_next_frame_y_offset()"); ++ ++ if (png_ptr != NULL && info_ptr != NULL) ++ return (info_ptr->next_frame_y_offset); ++ return (0); ++} ++ ++png_uint_16 PNGAPI ++png_get_next_frame_delay_num(png_structp png_ptr, png_infop info_ptr) ++{ ++ png_debug(1, "in png_get_next_frame_delay_num()"); ++ ++ if (png_ptr != NULL && info_ptr != NULL) ++ return (info_ptr->next_frame_delay_num); ++ return (0); ++} ++ ++png_uint_16 PNGAPI ++png_get_next_frame_delay_den(png_structp png_ptr, png_infop info_ptr) ++{ ++ png_debug(1, "in png_get_next_frame_delay_den()"); ++ ++ if (png_ptr != NULL && info_ptr != NULL) ++ return (info_ptr->next_frame_delay_den); ++ return (0); ++} ++ ++png_byte PNGAPI ++png_get_next_frame_dispose_op(png_structp png_ptr, png_infop info_ptr) ++{ ++ png_debug(1, "in png_get_next_frame_dispose_op()"); ++ ++ if (png_ptr != NULL && info_ptr != NULL) ++ return (info_ptr->next_frame_dispose_op); ++ return (0); ++} ++ ++png_byte PNGAPI ++png_get_next_frame_blend_op(png_structp png_ptr, png_infop info_ptr) ++{ ++ png_debug(1, "in png_get_next_frame_blend_op()"); ++ ++ if (png_ptr != NULL && info_ptr != NULL) ++ return (info_ptr->next_frame_blend_op); ++ return (0); ++} ++ ++png_byte PNGAPI ++png_get_first_frame_is_hidden(png_structp png_ptr, png_infop info_ptr) ++{ ++ png_debug(1, "in png_first_frame_is_hidden()"); ++ ++ if (png_ptr != NULL) ++ return (png_byte)(png_ptr->apng_flags & PNG_FIRST_FRAME_HIDDEN); ++ ++ PNG_UNUSED(info_ptr) ++ ++ return 0; ++} ++#endif /* PNG_APNG_SUPPORTED */ + #endif /* PNG_READ_SUPPORTED || PNG_WRITE_SUPPORTED */ +diff -Naru libpng-1.6.10.org/pnginfo.h libpng-1.6.10/pnginfo.h +--- libpng-1.6.10.org/pnginfo.h 2014-03-08 13:00:52.522104827 +0900 ++++ libpng-1.6.10/pnginfo.h 2014-03-08 13:03:06.451467252 +0900 +@@ -256,5 +256,18 @@ + png_bytepp row_pointers; /* the image bits */ + #endif + ++#ifdef PNG_APNG_SUPPORTED ++ png_uint_32 num_frames; /* including default image */ ++ png_uint_32 num_plays; ++ png_uint_32 next_frame_width; ++ png_uint_32 next_frame_height; ++ png_uint_32 next_frame_x_offset; ++ png_uint_32 next_frame_y_offset; ++ png_uint_16 next_frame_delay_num; ++ png_uint_16 next_frame_delay_den; ++ png_byte next_frame_dispose_op; ++ png_byte next_frame_blend_op; ++#endif ++ + }; + #endif /* PNGINFO_H */ +diff -Naru libpng-1.6.10.org/pngpread.c libpng-1.6.10/pngpread.c +--- libpng-1.6.10.org/pngpread.c 2014-03-08 13:00:52.522104827 +0900 ++++ libpng-1.6.10/pngpread.c 2014-03-08 13:03:06.452467284 +0900 +@@ -217,6 +217,109 @@ + + chunk_name = png_ptr->chunk_name; + ++#ifdef PNG_READ_APNG_SUPPORTED ++ if (png_ptr->num_frames_read > 0 && ++ png_ptr->num_frames_read < info_ptr->num_frames) ++ { ++ if (chunk_name == png_IDAT) ++ { ++ /* Discard trailing IDATs for the first frame */ ++ if (png_ptr->mode & PNG_HAVE_fcTL || png_ptr->num_frames_read > 1) ++ png_error(png_ptr, "out of place IDAT"); ++ ++ if (png_ptr->push_length + 4 > png_ptr->buffer_size) ++ { ++ png_push_save_buffer(png_ptr); ++ return; ++ } ++ ++ png_push_crc_skip(png_ptr, png_ptr->push_length); ++ png_ptr->mode &= ~PNG_HAVE_CHUNK_HEADER; ++ return; ++ } ++ else if (chunk_name == png_fdAT) ++ { ++ if (png_ptr->buffer_size < 4) ++ { ++ png_push_save_buffer(png_ptr); ++ return; ++ } ++ ++ png_ensure_sequence_number(png_ptr, 4); ++ ++ if (!(png_ptr->mode & PNG_HAVE_fcTL)) ++ { ++ /* Discard trailing fdATs for frames other than the first */ ++ if (png_ptr->num_frames_read < 2) ++ png_error(png_ptr, "out of place fdAT"); ++ ++ if (png_ptr->push_length + 4 > png_ptr->buffer_size) ++ { ++ png_push_save_buffer(png_ptr); ++ return; ++ } ++ ++ png_push_crc_skip(png_ptr, png_ptr->push_length); ++ png_ptr->mode &= ~PNG_HAVE_CHUNK_HEADER; ++ return; ++ } ++ ++ else ++ { ++ /* frame data follows */ ++ png_ptr->idat_size = png_ptr->push_length - 4; ++ png_ptr->mode |= PNG_HAVE_IDAT; ++ png_ptr->process_mode = PNG_READ_IDAT_MODE; ++ ++ return; ++ } ++ } ++ ++ else if (chunk_name == png_fcTL) ++ { ++ if (png_ptr->push_length + 4 > png_ptr->buffer_size) ++ { ++ png_push_save_buffer(png_ptr); ++ return; ++ } ++ ++ png_read_reset(png_ptr); ++ png_ptr->mode &= ~PNG_HAVE_fcTL; ++ ++ png_handle_fcTL(png_ptr, info_ptr, png_ptr->push_length); ++ ++ if (!(png_ptr->mode & PNG_HAVE_fcTL)) ++ png_error(png_ptr, "missing required fcTL chunk"); ++ ++ png_read_reinit(png_ptr, info_ptr); ++ png_progressive_read_reset(png_ptr); ++ ++ if (png_ptr->frame_info_fn != NULL) ++ (*(png_ptr->frame_info_fn))(png_ptr, png_ptr->num_frames_read); ++ ++ png_ptr->mode &= ~PNG_HAVE_CHUNK_HEADER; ++ ++ return; ++ } ++ ++ else ++ { ++ if (png_ptr->push_length + 4 > png_ptr->buffer_size) ++ { ++ png_push_save_buffer(png_ptr); ++ return; ++ } ++ png_warning(png_ptr, "Skipped (ignored) a chunk " ++ "between APNG chunks"); ++ png_push_crc_skip(png_ptr, png_ptr->push_length); ++ png_ptr->mode &= ~PNG_HAVE_CHUNK_HEADER; ++ return; ++ } ++ ++ return; ++ } ++#endif /* PNG_READ_APNG_SUPPORTED */ ++ + if (chunk_name == png_IDAT) + { + if (png_ptr->mode & PNG_AFTER_IDAT) +@@ -300,6 +403,9 @@ + + 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->process_mode = PNG_READ_IDAT_MODE; + png_push_have_info(png_ptr, info_ptr); +@@ -530,6 +636,30 @@ + png_handle_iTXt(png_ptr, info_ptr, png_ptr->push_length); + } + #endif ++#ifdef PNG_READ_APNG_SUPPORTED ++ else if (chunk_name == png_acTL) ++ { ++ if (png_ptr->push_length + 4 > png_ptr->buffer_size) ++ { ++ png_push_save_buffer(png_ptr); ++ return; ++ } ++ ++ png_handle_acTL(png_ptr, info_ptr, png_ptr->push_length); ++ } ++ ++ else if (chunk_name == png_fcTL) ++ { ++ if (png_ptr->push_length + 4 > png_ptr->buffer_size) ++ { ++ png_push_save_buffer(png_ptr); ++ return; ++ } ++ ++ png_handle_fcTL(png_ptr, info_ptr, png_ptr->push_length); ++ } ++ ++#endif /* PNG_READ_APNG_SUPPORTED */ + + else + { +@@ -732,7 +862,11 @@ + png_byte chunk_tag[4]; + + /* TODO: this code can be commoned up with the same code in push_read */ ++#ifdef PNG_READ_APNG_SUPPORTED ++ if (png_ptr->buffer_size < 12) ++#else + if (png_ptr->buffer_size < 8) ++#endif + { + png_push_save_buffer(png_ptr); + return; +@@ -745,17 +879,64 @@ + 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_ZSTREAM_ENDED) ++ { ++ png_ptr->process_mode = PNG_READ_CHUNK_MODE; ++ if (png_ptr->frame_end_fn != NULL) ++ (*(png_ptr->frame_end_fn))(png_ptr, png_ptr->num_frames_read); ++ png_ptr->num_frames_read++; ++ return; ++ } ++ else ++ { ++ if (png_ptr->chunk_name == png_IEND) ++ png_error(png_ptr, "Not enough image data"); ++ if (png_ptr->push_length + 4 > png_ptr->buffer_size) ++ { ++ png_push_save_buffer(png_ptr); ++ return; ++ } ++ png_warning(png_ptr, "Skipping (ignoring) a chunk between " ++ "APNG chunks"); ++ png_crc_finish(png_ptr, png_ptr->push_length); ++ png_ptr->mode &= ~PNG_HAVE_CHUNK_HEADER; ++ return; ++ } ++ } ++ else ++#endif ++#ifdef PNG_READ_APNG_SUPPORTED ++ if (png_ptr->chunk_name != png_IDAT && png_ptr->num_frames_read == 0) ++#else + if (png_ptr->chunk_name != png_IDAT) ++#endif + { + png_ptr->process_mode = PNG_READ_CHUNK_MODE; + + if (!(png_ptr->flags & PNG_FLAG_ZSTREAM_ENDED)) + png_error(png_ptr, "Not enough compressed data"); + ++#ifdef PNG_READ_APNG_SUPPORTED ++ if (png_ptr->frame_end_fn != NULL) ++ (*(png_ptr->frame_end_fn))(png_ptr, png_ptr->num_frames_read); ++ png_ptr->num_frames_read++; ++#endif ++ + return; + } + + png_ptr->idat_size = png_ptr->push_length; ++ ++#ifdef PNG_READ_APNG_SUPPORTED ++ if (png_ptr->num_frames_read > 0) ++ { ++ png_ensure_sequence_number(png_ptr, 4); ++ png_ptr->idat_size -= 4; ++ } ++#endif + } + + if (png_ptr->idat_size && png_ptr->save_buffer_size) +@@ -833,6 +1014,15 @@ + if (!(buffer_length > 0) || buffer == NULL) + png_error(png_ptr, "No IDAT data (internal error)"); + ++#ifdef PNG_READ_APNG_SUPPORTED ++ /* 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_ZSTREAM_ENDED; ++ return; ++ } ++#endif ++ + /* This routine must process all the data it has been given + * before returning, calling the row callback as required to + * handle the uncompressed results. +@@ -1281,6 +1471,18 @@ + png_set_read_fn(png_ptr, progressive_ptr, png_push_fill_buffer); + } + ++#ifdef PNG_READ_APNG_SUPPORTED ++void PNGAPI ++png_set_progressive_frame_fn(png_structp png_ptr, ++ png_progressive_frame_ptr frame_info_fn, ++ png_progressive_frame_ptr frame_end_fn) ++{ ++ png_ptr->frame_info_fn = frame_info_fn; ++ png_ptr->frame_end_fn = frame_end_fn; ++ png_ptr->apng_flags |= PNG_APNG_APP; ++} ++#endif ++ + png_voidp PNGAPI + png_get_progressive_ptr(png_const_structrp png_ptr) + { +diff -Naru libpng-1.6.10.org/pngpriv.h libpng-1.6.10/pngpriv.h +--- libpng-1.6.10.org/pngpriv.h 2014-03-08 13:00:52.523104860 +0900 ++++ libpng-1.6.10/pngpriv.h 2014-03-08 13:03:06.452467284 +0900 +@@ -551,6 +551,10 @@ + #define PNG_HAVE_CHUNK_AFTER_IDAT 0x2000 /* Have another chunk after IDAT */ + /* 0x4000 (unused) */ + #define PNG_IS_READ_STRUCT 0x8000 /* Else is a write struct */ ++#ifdef PNG_APNG_SUPPORTED ++#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 +@@ -772,6 +776,16 @@ + #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_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 ++#define PNG_APNG_APP 0x0002 ++#endif ++ + /* 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. + */ +@@ -1472,6 +1486,47 @@ + */ + #endif + ++#ifdef PNG_APNG_SUPPORTED ++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_EMPTY); ++ ++#ifdef PNG_READ_APNG_SUPPORTED ++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_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_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_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_COLORSPACE_SUPPORTED + /* These internal functions are for maintaining the colorspace structure within +diff -Naru libpng-1.6.10.org/pngread.c libpng-1.6.10/pngread.c +--- libpng-1.6.10.org/pngread.c 2014-03-08 13:00:52.524104892 +0900 ++++ libpng-1.6.10/pngread.c 2014-03-08 13:03:06.453467317 +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; + break; + } +@@ -247,6 +250,17 @@ + png_handle_iTXt(png_ptr, info_ptr, length); + #endif + ++#ifdef PNG_READ_APNG_SUPPORTED ++ else if (chunk_name == png_acTL) ++ png_handle_acTL(png_ptr, info_ptr, length); ++ ++ else if (chunk_name == png_fcTL) ++ png_handle_fcTL(png_ptr, info_ptr, length); ++ ++ else if (chunk_name == png_fdAT) ++ png_handle_fdAT(png_ptr, info_ptr, length); ++#endif ++ + else + png_handle_unknown(png_ptr, info_ptr, length, + PNG_HANDLE_CHUNK_AS_DEFAULT); +@@ -254,6 +268,72 @@ + } + #endif /* PNG_SEQUENTIAL_READ_SUPPORTED */ + ++#ifdef PNG_READ_APNG_SUPPORTED ++void PNGAPI ++png_read_frame_head(png_structp png_ptr, png_infop info_ptr) ++{ ++ png_byte have_chunk_after_DAT; /* after IDAT or after fdAT */ ++ ++ png_debug(0, "Reading frame head"); ++ ++ if (!(png_ptr->mode & PNG_HAVE_acTL)) ++ png_error(png_ptr, "attempt to png_read_frame_head() but " ++ "no acTL present"); ++ ++ /* do nothing for the main IDAT */ ++ if (png_ptr->num_frames_read == 0) ++ return; ++ ++ png_read_reset(png_ptr); ++ png_ptr->flags &= ~PNG_FLAG_ROW_INIT; ++ png_ptr->mode &= ~PNG_HAVE_fcTL; ++ ++ have_chunk_after_DAT = 0; ++ for (;;) ++ { ++ png_uint_32 length = png_read_chunk_header(png_ptr); ++ ++ if (png_ptr->chunk_name == png_IDAT) ++ { ++ /* discard trailing IDATs for the first frame */ ++ if (have_chunk_after_DAT || png_ptr->num_frames_read > 1) ++ png_error(png_ptr, "png_read_frame_head(): out of place IDAT"); ++ png_crc_finish(png_ptr, length); ++ } ++ ++ else if (png_ptr->chunk_name == png_fcTL) ++ { ++ png_handle_fcTL(png_ptr, info_ptr, length); ++ have_chunk_after_DAT = 1; ++ } ++ ++ else if (png_ptr->chunk_name == png_fdAT) ++ { ++ png_ensure_sequence_number(png_ptr, length); ++ ++ /* discard trailing fdATs for frames other than the first */ ++ if (!have_chunk_after_DAT && png_ptr->num_frames_read > 1) ++ png_crc_finish(png_ptr, length - 4); ++ else if(png_ptr->mode & PNG_HAVE_fcTL) ++ { ++ png_ptr->idat_size = length - 4; ++ png_ptr->mode |= PNG_HAVE_IDAT; ++ ++ break; ++ } ++ else ++ png_error(png_ptr, "png_read_frame_head(): out of place fdAT"); ++ } ++ else ++ { ++ png_warning(png_ptr, "Skipped (ignored) a chunk " ++ "between APNG chunks"); ++ png_crc_finish(png_ptr, length); ++ } ++ } ++} ++#endif /* PNG_READ_APNG_SUPPORTED */ ++ + /* Optional call to update the users info_ptr structure */ + void PNGAPI + png_read_update_info(png_structrp png_ptr, png_inforp info_ptr) +diff -Naru libpng-1.6.10.org/pngrutil.c libpng-1.6.10/pngrutil.c +--- libpng-1.6.10.org/pngrutil.c 2014-03-08 13:00:52.526104957 +0900 ++++ libpng-1.6.10/pngrutil.c 2014-03-08 13:03:06.454467349 +0900 +@@ -818,6 +818,11 @@ + filter_type = buf[11]; + interlace_type = buf[12]; + ++#ifdef PNG_READ_APNG_SUPPORTED ++ png_ptr->first_frame_width = width; ++ png_ptr->first_frame_height = height; ++#endif ++ + /* Set internal variables */ + png_ptr->width = width; + png_ptr->height = height; +@@ -2698,6 +2703,179 @@ + } + #endif + ++#ifdef PNG_READ_APNG_SUPPORTED ++void /* PRIVATE */ ++png_handle_acTL(png_structp png_ptr, png_infop info_ptr, png_uint_32 length) ++{ ++ png_byte data[8]; ++ png_uint_32 num_frames; ++ png_uint_32 num_plays; ++ png_uint_32 didSet; ++ ++ png_debug(1, "in png_handle_acTL"); ++ ++ if (!(png_ptr->mode & PNG_HAVE_IHDR)) ++ { ++ png_error(png_ptr, "Missing IHDR before acTL"); ++ } ++ else if (png_ptr->mode & PNG_HAVE_IDAT) ++ { ++ png_warning(png_ptr, "Invalid acTL after IDAT skipped"); ++ png_crc_finish(png_ptr, length); ++ return; ++ } ++ else if (png_ptr->mode & PNG_HAVE_acTL) ++ { ++ png_warning(png_ptr, "Duplicate acTL skipped"); ++ png_crc_finish(png_ptr, length); ++ return; ++ } ++ else if (length != 8) ++ { ++ png_warning(png_ptr, "acTL with invalid length skipped"); ++ png_crc_finish(png_ptr, length); ++ return; ++ } ++ ++ png_crc_read(png_ptr, data, 8); ++ png_crc_finish(png_ptr, 0); ++ ++ num_frames = png_get_uint_31(png_ptr, data); ++ num_plays = png_get_uint_31(png_ptr, data + 4); ++ ++ /* the set function will do error checking on num_frames */ ++ didSet = png_set_acTL(png_ptr, info_ptr, num_frames, num_plays); ++ if(didSet) ++ png_ptr->mode |= PNG_HAVE_acTL; ++} ++ ++void /* PRIVATE */ ++png_handle_fcTL(png_structp png_ptr, png_infop info_ptr, png_uint_32 length) ++{ ++ png_byte data[22]; ++ 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_debug(1, "in png_handle_fcTL"); ++ ++ png_ensure_sequence_number(png_ptr, length); ++ ++ if (!(png_ptr->mode & PNG_HAVE_IHDR)) ++ { ++ png_error(png_ptr, "Missing IHDR before fcTL"); ++ } ++ else if (png_ptr->mode & PNG_HAVE_IDAT) ++ { ++ /* for any frames other then the first this message may be misleading, ++ * but correct. PNG_HAVE_IDAT is unset before the frame head is read ++ * i can't think of a better message */ ++ png_warning(png_ptr, "Invalid fcTL after IDAT skipped"); ++ png_crc_finish(png_ptr, length-4); ++ return; ++ } ++ else if (png_ptr->mode & PNG_HAVE_fcTL) ++ { ++ png_warning(png_ptr, "Duplicate fcTL within one frame skipped"); ++ png_crc_finish(png_ptr, length-4); ++ return; ++ } ++ else if (length != 26) ++ { ++ png_warning(png_ptr, "fcTL with invalid length skipped"); ++ png_crc_finish(png_ptr, length-4); ++ return; ++ } ++ ++ png_crc_read(png_ptr, data, 22); ++ png_crc_finish(png_ptr, 0); ++ ++ width = png_get_uint_31(png_ptr, data); ++ height = png_get_uint_31(png_ptr, data + 4); ++ x_offset = png_get_uint_31(png_ptr, data + 8); ++ y_offset = png_get_uint_31(png_ptr, data + 12); ++ delay_num = png_get_uint_16(data + 16); ++ delay_den = png_get_uint_16(data + 18); ++ dispose_op = data[20]; ++ blend_op = data[21]; ++ ++ if (png_ptr->num_frames_read == 0 && (x_offset != 0 || y_offset != 0)) ++ { ++ png_warning(png_ptr, "fcTL for the first frame must have zero offset"); ++ return; ++ } ++ ++ if (info_ptr != NULL) ++ { ++ if (png_ptr->num_frames_read == 0 && ++ (width != info_ptr->width || height != info_ptr->height)) ++ { ++ png_warning(png_ptr, "size in first frame's fcTL must match " ++ "the size in IHDR"); ++ return; ++ } ++ ++ /* The set function will do more error checking */ ++ png_set_next_frame_fcTL(png_ptr, info_ptr, width, height, ++ x_offset, y_offset, delay_num, delay_den, ++ dispose_op, blend_op); ++ ++ png_read_reinit(png_ptr, info_ptr); ++ ++ png_ptr->mode |= PNG_HAVE_fcTL; ++ } ++} ++ ++void /* PRIVATE */ ++png_have_info(png_structp png_ptr, png_infop info_ptr) ++{ ++ if((info_ptr->valid & PNG_INFO_acTL) && !(info_ptr->valid & PNG_INFO_fcTL)) ++ { ++ png_ptr->apng_flags |= PNG_FIRST_FRAME_HIDDEN; ++ info_ptr->num_frames++; ++ } ++} ++ ++void /* PRIVATE */ ++png_handle_fdAT(png_structp png_ptr, png_infop info_ptr, png_uint_32 length) ++{ ++ png_ensure_sequence_number(png_ptr, length); ++ ++ /* This function is only called from png_read_end(), png_read_info(), ++ * and png_push_read_chunk() which means that: ++ * - the user doesn't want to read this frame ++ * - or this is an out-of-place fdAT ++ * in either case it is safe to ignore the chunk with a warning */ ++ png_warning(png_ptr, "ignoring fdAT chunk"); ++ png_crc_finish(png_ptr, length - 4); ++ PNG_UNUSED(info_ptr) ++} ++ ++void /* PRIVATE */ ++png_ensure_sequence_number(png_structp png_ptr, png_uint_32 length) ++{ ++ png_byte data[4]; ++ png_uint_32 sequence_number; ++ ++ if (length < 4) ++ png_error(png_ptr, "invalid fcTL or fdAT chunk found"); ++ ++ png_crc_read(png_ptr, data, 4); ++ sequence_number = png_get_uint_31(png_ptr, data); ++ ++ if (sequence_number != png_ptr->next_seq_num) ++ png_error(png_ptr, "fcTL or fdAT chunk with out-of-order sequence " ++ "number found"); ++ ++ png_ptr->next_seq_num++; ++} ++#endif /* PNG_READ_APNG_SUPPORTED */ ++ + #ifdef PNG_READ_UNKNOWN_CHUNKS_SUPPORTED + /* Utility function for png_handle_unknown; set up png_ptr::unknown_chunk */ + static int +@@ -3954,7 +4132,38 @@ + { + 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); +@@ -3966,7 +4175,7 @@ + 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) +@@ -4029,6 +4238,9 @@ + + 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"); +@@ -4474,4 +4686,80 @@ + + png_ptr->flags |= PNG_FLAG_ROW_INIT; + } ++ ++#ifdef PNG_READ_APNG_SUPPORTED ++/* This function is to be called after the main IDAT set has been read and ++ * before a new IDAT is read. It resets some parts of png_ptr ++ * to make them usable by the read functions again */ ++void /* PRIVATE */ ++png_read_reset(png_structp png_ptr) ++{ ++ png_ptr->mode &= ~PNG_HAVE_IDAT; ++ png_ptr->mode &= ~PNG_AFTER_IDAT; ++ png_ptr->row_number = 0; ++ png_ptr->pass = 0; ++} ++ ++void /* PRIVATE */ ++png_read_reinit(png_structp png_ptr, png_infop info_ptr) ++{ ++ png_ptr->width = info_ptr->next_frame_width; ++ png_ptr->height = info_ptr->next_frame_height; ++ png_ptr->rowbytes = PNG_ROWBYTES(png_ptr->pixel_depth,png_ptr->width); ++ png_ptr->info_rowbytes = PNG_ROWBYTES(info_ptr->pixel_depth, ++ png_ptr->width); ++ if (png_ptr->prev_row) ++ memset(png_ptr->prev_row, 0, png_ptr->rowbytes + 1); ++} ++ ++#ifdef PNG_PROGRESSIVE_READ_SUPPORTED ++/* same as png_read_reset() but for the progressive reader */ ++void /* PRIVATE */ ++png_progressive_read_reset(png_structp png_ptr) ++{ ++#ifdef PNG_READ_INTERLACING_SUPPORTED ++ /* Arrays to facilitate easy interlacing - use pass (0 - 6) as index */ ++ ++ /* Start of interlace block */ ++ const int png_pass_start[] = {0, 4, 0, 2, 0, 1, 0}; ++ ++ /* Offset to next interlace block */ ++ const int png_pass_inc[] = {8, 8, 4, 4, 2, 2, 1}; ++ ++ /* Start of interlace block in the y direction */ ++ const int png_pass_ystart[] = {0, 0, 4, 0, 2, 0, 1}; ++ ++ /* Offset to next interlace block in the y direction */ ++ const int png_pass_yinc[] = {8, 8, 8, 4, 4, 2, 2}; ++ ++ if (png_ptr->interlaced) ++ { ++ if (!(png_ptr->transformations & PNG_INTERLACE)) ++ png_ptr->num_rows = (png_ptr->height + png_pass_yinc[0] - 1 - ++ png_pass_ystart[0]) / png_pass_yinc[0]; ++ else ++ png_ptr->num_rows = png_ptr->height; ++ ++ png_ptr->iwidth = (png_ptr->width + ++ png_pass_inc[png_ptr->pass] - 1 - ++ png_pass_start[png_ptr->pass]) / ++ png_pass_inc[png_ptr->pass]; ++ } ++ else ++#endif /* PNG_READ_INTERLACING_SUPPORTED */ ++ { ++ png_ptr->num_rows = png_ptr->height; ++ png_ptr->iwidth = png_ptr->width; ++ } ++ 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; ++ png_ptr->zstream.next_in = 0; ++ png_ptr->zstream.next_out = png_ptr->row_buf; ++ png_ptr->zstream.avail_out = (uInt)PNG_ROWBYTES(png_ptr->pixel_depth, ++ png_ptr->iwidth) + 1; ++} ++#endif /* PNG_PROGRESSIVE_READ_SUPPORTED */ ++#endif /* PNG_READ_APNG_SUPPORTED */ + #endif /* PNG_READ_SUPPORTED */ +diff -Naru libpng-1.6.10.org/pngset.c libpng-1.6.10/pngset.c +--- libpng-1.6.10.org/pngset.c 2014-03-08 13:00:52.526104957 +0900 ++++ libpng-1.6.10/pngset.c 2014-03-08 13:03:06.454467349 +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 */ ++ info_ptr->num_frames = 1; ++#endif + } + + #ifdef PNG_oFFs_SUPPORTED +@@ -1065,6 +1070,147 @@ + } + #endif /* PNG_sPLT_SUPPORTED */ + ++#ifdef PNG_APNG_SUPPORTED ++png_uint_32 PNGAPI ++png_set_acTL(png_structp png_ptr, png_infop info_ptr, ++ png_uint_32 num_frames, png_uint_32 num_plays) ++{ ++ png_debug1(1, "in %s storage function", "acTL"); ++ ++ if (png_ptr == NULL || info_ptr == NULL) ++ { ++ png_warning(png_ptr, ++ "Call to png_set_acTL() with NULL png_ptr " ++ "or info_ptr ignored"); ++ return (0); ++ } ++ if (num_frames == 0) ++ { ++ png_warning(png_ptr, ++ "Ignoring attempt to set acTL with num_frames zero"); ++ return (0); ++ } ++ if (num_frames > PNG_UINT_31_MAX) ++ { ++ png_warning(png_ptr, ++ "Ignoring attempt to set acTL with num_frames > 2^31-1"); ++ return (0); ++ } ++ if (num_plays > PNG_UINT_31_MAX) ++ { ++ png_warning(png_ptr, ++ "Ignoring attempt to set acTL with num_plays " ++ "> 2^31-1"); ++ return (0); ++ } ++ ++ info_ptr->num_frames = num_frames; ++ info_ptr->num_plays = num_plays; ++ ++ info_ptr->valid |= PNG_INFO_acTL; ++ ++ return (1); ++} ++ ++/* delay_num and delay_den can hold any 16-bit values including zero */ ++png_uint_32 PNGAPI ++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_debug1(1, "in %s storage function", "fcTL"); ++ ++ if (png_ptr == NULL || info_ptr == NULL) ++ { ++ png_warning(png_ptr, ++ "Call to png_set_fcTL() with NULL png_ptr or info_ptr " ++ "ignored"); ++ return (0); ++ } ++ ++ png_ensure_fcTL_is_valid(png_ptr, width, height, x_offset, y_offset, ++ delay_num, delay_den, dispose_op, blend_op); ++ ++ if (blend_op == PNG_BLEND_OP_OVER) ++ { ++ if (!(png_ptr->color_type & PNG_COLOR_MASK_ALPHA) && ++ !(png_get_valid(png_ptr, info_ptr, PNG_INFO_tRNS))) ++ { ++ png_warning(png_ptr, "PNG_BLEND_OP_OVER is meaningless " ++ "and wasteful for opaque images, ignored"); ++ blend_op = PNG_BLEND_OP_SOURCE; ++ } ++ } ++ ++ info_ptr->next_frame_width = width; ++ info_ptr->next_frame_height = height; ++ info_ptr->next_frame_x_offset = x_offset; ++ info_ptr->next_frame_y_offset = y_offset; ++ info_ptr->next_frame_delay_num = delay_num; ++ info_ptr->next_frame_delay_den = delay_den; ++ info_ptr->next_frame_dispose_op = dispose_op; ++ info_ptr->next_frame_blend_op = blend_op; ++ ++ info_ptr->valid |= PNG_INFO_fcTL; ++ ++ return (1); ++} ++ ++void /* PRIVATE */ ++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) ++{ ++ if (width > PNG_UINT_31_MAX) ++ png_error(png_ptr, "invalid width in fcTL (> 2^31-1)"); ++ if (height > PNG_UINT_31_MAX) ++ png_error(png_ptr, "invalid height in fcTL (> 2^31-1)"); ++ if (x_offset > PNG_UINT_31_MAX) ++ 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 && ++ dispose_op != PNG_DISPOSE_OP_PREVIOUS) ++ png_error(png_ptr, "invalid dispose_op in fcTL"); ++ ++ if (blend_op != PNG_BLEND_OP_SOURCE && ++ blend_op != PNG_BLEND_OP_OVER) ++ png_error(png_ptr, "invalid blend_op in fcTL"); ++ ++ PNG_UNUSED(delay_num) ++ PNG_UNUSED(delay_den) ++} ++ ++png_uint_32 PNGAPI ++png_set_first_frame_is_hidden(png_structp png_ptr, png_infop info_ptr, ++ png_byte is_hidden) ++{ ++ png_debug(1, "in png_first_frame_is_hidden()"); ++ ++ if (png_ptr == NULL) ++ return 0; ++ ++ if (is_hidden) ++ png_ptr->apng_flags |= PNG_FIRST_FRAME_HIDDEN; ++ else ++ png_ptr->apng_flags &= ~PNG_FIRST_FRAME_HIDDEN; ++ ++ PNG_UNUSED(info_ptr) ++ ++ return 1; ++} ++#endif /* PNG_APNG_SUPPORTED */ ++ + #ifdef PNG_STORE_UNKNOWN_CHUNKS_SUPPORTED + static png_byte + check_location(png_const_structrp png_ptr, int location) +diff -Naru libpng-1.6.10.org/pngstruct.h libpng-1.6.10/pngstruct.h +--- libpng-1.6.10.org/pngstruct.h 2014-03-08 13:00:52.526104957 +0900 ++++ libpng-1.6.10/pngstruct.h 2014-03-08 13:03:06.455467382 +0900 +@@ -409,6 +409,27 @@ + png_byte filter_type; + #endif + ++#ifdef PNG_APNG_SUPPORTED ++ png_uint_32 apng_flags; ++ png_uint_32 next_seq_num; /* next fcTL/fdAT chunk sequence number */ ++ png_uint_32 first_frame_width; ++ png_uint_32 first_frame_height; ++ ++#ifdef PNG_READ_APNG_SUPPORTED ++ png_uint_32 num_frames_read; /* incremented after all image data of */ ++ /* a frame is read */ ++#ifdef PNG_PROGRESSIVE_READ_SUPPORTED ++ png_progressive_frame_ptr frame_info_fn; /* frame info read callback */ ++ png_progressive_frame_ptr frame_end_fn; /* frame data read callback */ ++#endif ++#endif ++ ++#ifdef PNG_WRITE_APNG_SUPPORTED ++ png_uint_32 num_frames_to_write; ++ png_uint_32 num_frames_written; ++#endif ++#endif /* PNG_APNG_SUPPORTED */ ++ + /* 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-1.6.10.org/pngtest.c libpng-1.6.10/pngtest.c +--- libpng-1.6.10.org/pngtest.c 2014-03-08 13:00:52.527104990 +0900 ++++ libpng-1.6.10/pngtest.c 2014-03-08 13:03:06.455467382 +0900 +@@ -848,6 +848,10 @@ + png_uint_32 width, height; + int num_pass = 1, pass; + int bit_depth, color_type; ++#ifdef PNG_APNG_SUPPORTED ++ png_uint_32 num_frames; ++ png_uint_32 num_plays; ++#endif + + row_buf = NULL; + error_parameters.file_name = inname; +@@ -1314,6 +1318,20 @@ + } + } + #endif ++#ifdef PNG_APNG_SUPPORTED ++ if (png_get_valid(read_ptr, read_info_ptr, PNG_INFO_acTL)) ++ { ++ if (png_get_acTL(read_ptr, read_info_ptr, &num_frames, &num_plays)) ++ { ++ png_byte is_hidden; ++ pngtest_debug2("Handling acTL chunks (frames %ld, plays %ld)", ++ num_frames, num_plays); ++ png_set_acTL(write_ptr, write_info_ptr, num_frames, num_plays); ++ is_hidden = png_get_first_frame_is_hidden(read_ptr, read_info_ptr); ++ png_set_first_frame_is_hidden(write_ptr, write_info_ptr, is_hidden); ++ } ++ } ++#endif + #ifdef PNG_WRITE_UNKNOWN_CHUNKS_SUPPORTED + { + png_unknown_chunkp unknowns; +@@ -1375,6 +1393,89 @@ + t_misc += (t_stop - t_start); + t_start = t_stop; + #endif ++#ifdef PNG_APNG_SUPPORTED ++ if (png_get_valid(read_ptr, read_info_ptr, PNG_INFO_acTL)) ++ { ++ png_uint_32 frame; ++ for (frame = 0; frame < num_frames; frame++) ++ { ++ png_uint_32 frame_width; ++ png_uint_32 frame_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_read_frame_head(read_ptr, read_info_ptr); ++ if (png_get_valid(read_ptr, read_info_ptr, PNG_INFO_fcTL)) ++ { ++ png_get_next_frame_fcTL(read_ptr, read_info_ptr, ++ &frame_width, &frame_height, ++ &x_offset, &y_offset, ++ &delay_num, &delay_den, ++ &dispose_op, &blend_op); ++ } ++ else ++ { ++ frame_width = width; ++ frame_height = height; ++ x_offset = 0; ++ y_offset = 0; ++ delay_num = 1; ++ delay_den = 1; ++ dispose_op = PNG_DISPOSE_OP_NONE; ++ blend_op = PNG_BLEND_OP_SOURCE; ++ } ++#ifdef PNG_WRITE_APNG_SUPPORTED ++ png_write_frame_head(write_ptr, write_info_ptr, (png_bytepp)&row_buf, ++ frame_width, frame_height, ++ x_offset, y_offset, ++ delay_num, delay_den, ++ dispose_op, blend_op); ++#endif ++ for (pass = 0; pass < num_pass; pass++) ++ { ++ pngtest_debug1("Writing row data for pass %d", pass); ++ for (y = 0; y < frame_height; y++) ++ { ++#ifndef SINGLE_ROWBUF_ALLOC ++ pngtest_debug2("Allocating row buffer (pass %d, y = %ld)...", pass, y); ++ row_buf = (png_bytep)png_malloc(read_ptr, ++ png_get_rowbytes(read_ptr, read_info_ptr)); ++ pngtest_debug2("0x%08lx (%ld bytes)", (unsigned long)row_buf, ++ png_get_rowbytes(read_ptr, read_info_ptr)); ++#endif /* !SINGLE_ROWBUF_ALLOC */ ++ png_read_rows(read_ptr, (png_bytepp)&row_buf, NULL, 1); ++ ++#ifdef PNG_WRITE_SUPPORTED ++#ifdef PNGTEST_TIMING ++ t_stop = (float)clock(); ++ t_decode += (t_stop - t_start); ++ t_start = t_stop; ++#endif ++ png_write_rows(write_ptr, (png_bytepp)&row_buf, 1); ++#ifdef PNGTEST_TIMING ++ t_stop = (float)clock(); ++ t_encode += (t_stop - t_start); ++ t_start = t_stop; ++#endif ++#endif /* PNG_WRITE_SUPPORTED */ ++ ++#ifndef SINGLE_ROWBUF_ALLOC ++ pngtest_debug2("Freeing row buffer (pass %d, y = %ld)", pass, y); ++ png_free(read_ptr, row_buf); ++ row_buf = NULL; ++#endif /* !SINGLE_ROWBUF_ALLOC */ ++ } ++ } ++#ifdef PNG_WRITE_APNG_SUPPORTED ++ png_write_frame_tail(write_ptr, write_info_ptr); ++#endif ++ } ++ } ++ else ++#endif + for (pass = 0; pass < num_pass; pass++) + { + pngtest_debug1("Writing row data for pass %d", pass); +diff -Naru libpng-1.6.10.org/pngwrite.c libpng-1.6.10/pngwrite.c +--- libpng-1.6.10.org/pngwrite.c 2014-03-08 13:00:52.528105023 +0900 ++++ libpng-1.6.10/pngwrite.c 2014-03-08 13:03:06.456467415 +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_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 + ++#ifdef PNG_WRITE_APNG_SUPPORTED ++ if (png_ptr->num_frames_written != png_ptr->num_frames_to_write) ++ png_error(png_ptr, "Not enough frames written"); ++#endif ++ + /* See if user wants us to write information chunks */ + if (info_ptr != NULL) + { +@@ -1661,6 +1670,43 @@ + } + #endif + ++#ifdef PNG_WRITE_APNG_SUPPORTED ++void PNGAPI ++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_debug(1, "in png_write_frame_head"); ++ ++ /* there is a chance this has been set after png_write_info was called, ++ * so it would be set but not written. is there a way to be sure? */ ++ if (!(info_ptr->valid & PNG_INFO_acTL)) ++ png_error(png_ptr, "png_write_frame_head(): acTL not set"); ++ ++ png_write_reset(png_ptr); ++ ++ png_write_reinit(png_ptr, info_ptr, width, height); ++ ++ if ( !(png_ptr->num_frames_written == 0 && ++ (png_ptr->apng_flags & PNG_FIRST_FRAME_HIDDEN) ) ) ++ png_write_fcTL(png_ptr, width, height, x_offset, y_offset, ++ delay_num, delay_den, dispose_op, blend_op); ++ ++ PNG_UNUSED(row_pointers) ++} ++ ++void PNGAPI ++png_write_frame_tail(png_structp png_ptr, png_infop info_ptr) ++{ ++ png_debug(1, "in png_write_frame_tail"); ++ ++ png_ptr->num_frames_written++; ++ ++ PNG_UNUSED(info_ptr) ++} ++#endif /* PNG_WRITE_APNG_SUPPORTED */ + + #ifdef PNG_SIMPLIFIED_WRITE_SUPPORTED + #ifdef PNG_STDIO_SUPPORTED /* currently required for png_image_write_* */ +diff -Naru libpng-1.6.10.org/pngwutil.c libpng-1.6.10/pngwutil.c +--- libpng-1.6.10.org/pngwutil.c 2014-03-08 13:00:52.529105055 +0900 ++++ libpng-1.6.10/pngwutil.c 2014-03-08 13:03:06.456467415 +0900 +@@ -898,6 +898,11 @@ + /* Write the chunk */ + png_write_complete_chunk(png_ptr, png_IHDR, buf, (png_size_t)13); + ++#ifdef PNG_WRITE_APNG_SUPPORTED ++ png_ptr->first_frame_width = width; ++ png_ptr->first_frame_height = height; ++#endif ++ + 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, 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; + + 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 + ++#ifdef PNG_WRITE_APNG_SUPPORTED ++void /* PRIVATE */ ++png_write_acTL(png_structp png_ptr, ++ png_uint_32 num_frames, png_uint_32 num_plays) ++{ ++ png_byte buf[8]; ++ ++ png_debug(1, "in png_write_acTL"); ++ ++ png_ptr->num_frames_to_write = num_frames; ++ ++ if (png_ptr->apng_flags & PNG_FIRST_FRAME_HIDDEN) ++ num_frames--; ++ ++ png_save_uint_32(buf, num_frames); ++ png_save_uint_32(buf + 4, num_plays); ++ ++ png_write_complete_chunk(png_ptr, png_acTL, buf, (png_size_t)8); ++} ++ ++void /* PRIVATE */ ++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_byte buf[26]; ++ ++ png_debug(1, "in png_write_fcTL"); ++ ++ if (png_ptr->num_frames_written == 0 && (x_offset != 0 || y_offset != 0)) ++ png_error(png_ptr, "x and/or y offset for the first frame aren't 0"); ++ if (png_ptr->num_frames_written == 0 && ++ (width != png_ptr->first_frame_width || ++ height != png_ptr->first_frame_height)) ++ png_error(png_ptr, "width and/or height in the first frame's fcTL " ++ "don't match the ones in IHDR"); ++ ++ /* more error checking */ ++ png_ensure_fcTL_is_valid(png_ptr, width, height, x_offset, y_offset, ++ delay_num, delay_den, dispose_op, blend_op); ++ ++ png_save_uint_32(buf, png_ptr->next_seq_num); ++ png_save_uint_32(buf + 4, width); ++ png_save_uint_32(buf + 8, height); ++ png_save_uint_32(buf + 12, x_offset); ++ png_save_uint_32(buf + 16, y_offset); ++ png_save_uint_16(buf + 20, delay_num); ++ png_save_uint_16(buf + 22, delay_den); ++ buf[24] = dispose_op; ++ buf[25] = blend_op; ++ ++ png_write_complete_chunk(png_ptr, png_fcTL, buf, (png_size_t)26); ++ ++ 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_structrp png_ptr) +@@ -3021,4 +3117,39 @@ + } + #endif + } ++ ++#ifdef PNG_WRITE_APNG_SUPPORTED ++void /* PRIVATE */ ++png_write_reset(png_structp png_ptr) ++{ ++ png_ptr->row_number = 0; ++ png_ptr->pass = 0; ++ png_ptr->mode &= ~PNG_HAVE_IDAT; ++} ++ ++void /* PRIVATE */ ++png_write_reinit(png_structp png_ptr, png_infop info_ptr, ++ png_uint_32 width, png_uint_32 height) ++{ ++ if (png_ptr->num_frames_written == 0 && ++ (width != png_ptr->first_frame_width || ++ height != png_ptr->first_frame_height)) ++ png_error(png_ptr, "width and/or height in the first frame's fcTL " ++ "don't match the ones in IHDR"); ++ if (width > png_ptr->first_frame_width || ++ height > png_ptr->first_frame_height) ++ png_error(png_ptr, "width and/or height for a frame greater than" ++ "the ones in IHDR"); ++ ++ png_set_IHDR(png_ptr, info_ptr, width, height, ++ info_ptr->bit_depth, info_ptr->color_type, ++ info_ptr->interlace_type, info_ptr->compression_type, ++ info_ptr->filter_type); ++ ++ png_ptr->width = width; ++ png_ptr->height = height; ++ png_ptr->rowbytes = PNG_ROWBYTES(png_ptr->pixel_depth, width); ++ png_ptr->usr_width = png_ptr->width; ++} ++#endif /* PNG_WRITE_APNG_SUPPORTED */ + #endif /* PNG_WRITE_SUPPORTED */ +diff -Naru libpng-1.6.10.org/scripts/symbols.def libpng-1.6.10/scripts/symbols.def +--- libpng-1.6.10.org/scripts/symbols.def 2014-03-08 13:00:52.534105218 +0900 ++++ libpng-1.6.10/scripts/symbols.def 2014-03-08 13:03:06.456467415 +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 diff --git a/libpng-1.6.5-arm-buildfix.patch b/libpng-1.6.5-arm-buildfix.patch new file mode 100644 index 0000000..a44bda9 --- /dev/null +++ b/libpng-1.6.5-arm-buildfix.patch @@ -0,0 +1,11 @@ +--- libpng-1.6.5/arm/arm_init.c.orig 2013-09-18 12:31:14.530401726 +0200 ++++ libpng-1.6.5/arm/arm_init.c 2013-09-18 12:31:20.390369569 +0200 +@@ -17,8 +17,6 @@ + #include "../pngpriv.h" + + #ifdef PNG_READ_SUPPORTED +- if (((png_ptr->options >> PNG_MAXIMUM_INFLATE_WINDOW) & 3) == +- PNG_OPTION_ON) + #if PNG_ARM_NEON_OPT > 0 + #ifdef PNG_ARM_NEON_CHECK_SUPPORTED /* Do run-time checks */ + #include /* for sig_atomic_t */ diff --git a/libpng.spec b/libpng.spec new file mode 100644 index 0000000..b54b5bc --- /dev/null +++ b/libpng.spec @@ -0,0 +1,272 @@ +%define apiver %(echo %version | cut -d. -f1-2 | tr -d .) +Name: libpng +Version: 1.6.10 +Release: 1mamba +Summary: A library of functions for manipulating PNG image format files +Group: System/Libraries +Vendor: openmamba +Distribution: openmamba +Packager: Silvan Calarco +URL: http://www.libpng.org/pub/png/libpng.html +Source: http://downloads.sourceforge.net/sourceforge/libpng/libpng-%{version}.tar.xz +Source1: http://downloads.sourceforge.net/project/libpng-apng/libpng%{apiver}/%{version}/libpng-%{version}-apng.patch.gz +Patch1: %{name}-1.2.8-link_to_proper_libs.patch +Patch2: libpng-1.6.5-arm-buildfix.patch +License: OSI Approved +## AUTOBUILDREQ-BEGIN +BuildRequires: glibc-devel +BuildRequires: libz-devel +## AUTOBUILDREQ-END +BuildRoot: %{_tmppath}/%{name}-%{version}-root + +%debug_package + +%description +This package contains the library needed to run programs dynamically linked with libpng. + +%package devel +Summary: Development tools for programs to manipulate PNG image format files +Group: Development/Libraries +Requires: %{name} = %{?epoch:%epoch:}%{version}-%{release} + +%description devel +The libpng-devel package contains the header files and libraries necessary for developing programs using the PNG (Portable Network Graphics) library. + +If you want to develop programs which will manipulate PNG image format files, you should install libpng-devel. +You'll also need to install the libpng package. + +%package -n lib32-%{name} +Summary: A library of functions for manipulating PNG image format files (32 bit) +Group: System/Libraries + +%description -n lib32-%{name} +This package contains the library needed to run programs dynamically linked with libpng. + +%package -n lib32-%{name}-devel +Summary: Header files and static library for development with FreeType2 (32 bit) +Group: Development/Libraries +Requires: %{name}-devel = %{?epoch:%epoch:}%{version}-%{release} + +%description -n lib32-%{name}-devel +This package is only needed if you intend to develop or compile applications which rely on the FreeType2 library. If you simply want to run existing applications, you won't need this package. + +%prep +%setup -q +gunzip -c %{SOURCE1} | patch -p1 +#%patch2 -p1 + +%build +%configure --enable-shared --enable-static +%make + +%install +[ "%{buildroot}" != / ] && rm -rf "%{buildroot}" +%makeinstall + +%ifarch x86_64 +make clean +%configure \ + --enable-shared \ + --enable-static \ + --libdir=%{_prefix}/lib \ + CFLAGS="%{optflags} -m32" +%make +install -d -m0755 %{buildroot}%{_prefix}/lib +cp -a .libs/libpng*.so* %{buildroot}%{_prefix}/lib/ +ln -s libpng%{apiver}.so %{buildroot}%{_prefix}/lib/libpng.so +%endif + +%clean +[ "%{buildroot}" != / ] && rm -rf "%{buildroot}" + +%post -p /sbin/ldconfig +%postun -p /sbin/ldconfig + +%files +%defattr(-,root,root) +#%{_libdir}/libpng.so.* +%{_libdir}/libpng16.so.* +%doc LICENSE + +%files devel +%defattr(-,root,root) +%{_bindir}/png-fix-itxt +%{_bindir}/pngfix +%{_bindir}/libpng-config +%{_bindir}/libpng%{apiver}-config +%{_includedir}/png.h +%{_includedir}/pngconf.h +%{_includedir}/pnglibconf.h +%dir %{_includedir}/libpng%{apiver}/ +%{_includedir}/libpng%{apiver}/* +%{_libdir}/libpng.a +%{_libdir}/libpng.la +%{_libdir}/libpng.so +%{_libdir}/libpng%{apiver}.a +%{_libdir}/libpng%{apiver}.la +%{_libdir}/libpng%{apiver}.so +%{_libdir}/pkgconfig/libpng.pc +%{_libdir}/pkgconfig/libpng%{apiver}.pc +%{_mandir}/man3/libpng.* +%{_mandir}/man3/libpngpf.* +%{_mandir}/man5/png.* +%doc ANNOUNCE CHANGES README TODO +%doc pngbar.jpg pngbar.png pngnow.png + +%ifarch x86_64 +%files -n lib32-%{name} +%defattr(-,root,root) +%{_prefix}/lib/libpng%{apiver}.so.* + +%files -n lib32-%{name}-devel +%defattr(-,root,root) +%{_prefix}/lib/libpng.so +%{_prefix}/lib/libpng%{apiver}.so +%endif + +%changelog +* Sun Mar 09 2014 Automatic Build System 1.6.10-1mamba +- automatic version update by autodist + +* Mon Feb 17 2014 Automatic Build System 1.6.9-1mamba +- automatic version update by autodist + +* Sun Jan 26 2014 Automatic Build System 1.6.8-1mamba +- automatic version update by autodist + +* Sun Nov 24 2013 Automatic Build System 1.6.7-1mamba +- automatic version update by autodist + +* Fri Nov 15 2013 Silvan Calarco 1.6.6-3mamba +- rebuild due to previous release build with faulty rpm + +* Thu Nov 14 2013 Silvan Calarco 1.6.6-2mamba +- lib32-libpng(x86_64): install libpng.so symlink to /usr/lib/libpng16.so + +* Fri Oct 25 2013 Automatic Build System 1.6.6-1mamba +- automatic version update by autodist + +* Mon Sep 16 2013 Automatic Build System 1.6.5-1mamba +- automatic version update by autodist + +* Wed Jul 24 2013 Automatic Build System 1.6.3-1mamba +- automatic version update by autodist + +* Tue May 07 2013 Automatic Build System 1.6.2-1mamba +- automatic version update by autodist + +* Tue Apr 02 2013 Automatic Build System 1.6.1-1mamba +- automatic version update by autodist + +* Wed Mar 06 2013 Automatic Build System 1.6.0-1mamba +- automatic version update by autodist + +* Sun Jan 27 2013 Automatic Build System 1.5.14-1mamba +- automatic version update by autodist + +* Fri Oct 12 2012 Automatic Build System 1.5.13-1mamba +- automatic version update by autodist + +* Mon Aug 13 2012 Automatic Build System 1.5.12-1mamba +- update to 1.5.12 + +* Thu Jun 07 2012 Silvan Calarco 1.5.10-1mamba +- update to 1.5.10 + +* Tue Jul 26 2011 Silvan Calarco 1.4.8-1mamba +- update to 1.4.8 + +* Thu May 12 2011 Automatic Build System 1.4.7-1mamba +- automatic update by autodist + +* Thu Dec 16 2010 Silvan Calarco 1.4.5-2mamba +- rebuilt with debug package + +* Mon Dec 13 2010 Automatic Build System 1.4.5-1mamba +- automatic update by autodist + +* Mon Sep 27 2010 Automatic Build System 1.4.4-1mamba +- automatic update by autodist + +* Mon Jun 28 2010 Automatic Build System 1.4.3-1mamba +- automatic update by autodist + +* Sat Jun 05 2010 Automatic Build System 1.4.2-1mamba +- automatic update by autodist + +* Mon Dec 21 2009 Automatic Build System 1.2.41-1mamba +- automatic update by autodist + +* Sat Nov 21 2009 Automatic Build System 1.2.40-1mamba +- automatic update by autodist + +* Thu Jul 02 2009 Silvan Calarco 1.2.37-1mamba +- update to 1.2.37 + +* Thu May 28 2009 Automatic Build System 1.2.36-1mamba +- automatic update by autodist + +* Mon Mar 02 2009 Silvan Calarco 1.2.35-1mamba +- automatic update by autodist + +* Fri Jan 02 2009 Silvan Calarco 1.2.34-1mamba +- automatic update by autodist + +* Sun Nov 30 2008 gil 1.2.33-1mamba +- update to 1.2.33 + +* Thu Jun 19 2008 Silvan Calarco 1.2.29-2mamba +- added apng (animated png) patch from cblfs.cross-lfs.org/index.php/Libpng + +* Sat May 31 2008 gil 1.2.29-1mamba +- update to 1.2.29 + +* Fri Jul 27 2007 Silvan Calarco 1.2.18-2mamba +- re-enable build of static library needed by splashutils + +* Tue Jun 05 2007 Aleph0 1.2.18-1mamba +- security update to 1.2.18 to fix CVE-2007-2445 +- do not build the static library + +* Wed Feb 21 2007 Silvan Calarco 1.2.16-2qilnx +- don't exclude static library libpng.a + +* Fri Feb 09 2007 Davide Madrisan 1.2.16-1qilnx +- update to version 1.2.16 by autospec +- dropped patch against CVE-2006-3334: merged upstream +- dropped patches used to fix link libraries and installation paths: fixed + upstream +- man pages moved to devel package + +* Thu Jul 20 2006 Davide Madrisan 1.2.8-2qilnx +- fixed buffer overflow in chunk error processing (CVE-2006-3334, qibug#202) + +* Wed Feb 16 2005 Davide Madrisan 1.2.8-1qilnx +- update to version 1.2.8 by autospec +- specfile updates + +* Tue Dec 21 2004 Silvan Calarco 1.2.5-8qilnx +- added patch to link library to proper libs + +* Sat Nov 06 2004 Davide Madrisan 1.2.5-7qilnx +- specfile cleanups, added patch 'libpng-1.2.5-qilinux-paths' +- libpng-config and libpng12-config scripts moved to devel package +- added documentation + +* Fri Nov 05 2004 Davide Madrisan 1.2.5-6qilnx +- security fix QSA-2004-051 (CAN-2004-0768) + +* Thu Jul 05 2004 Davide Madrisan 1.2.5-5qilnx +- security fix for CAN-2004-0597, CAN-2004-0598, CAN-2004-0599 + +* Mon May 03 2004 Davide Madrisan 1.2.5-4qilnx +- security fix for CAN-2004-0421 + +* Tue Jul 08 2003 Silvan Calarco 1.2.5-3qilnx +- rebuilt with minor changes + +* Tue May 13 2003 Silvan Calarco 1.2.5-2qilnx +- added symlinks libpng.so and libpng12.so to devel package + +* Thu Apr 17 2003 Alessandro Ramazzina 1.2.5-1qilnx +- creation of libpng package