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Searched refs:png_ptr (Results 1 – 3 of 3) sorted by relevance

/GUIX-v6.2.1/guix_studio/libs/libpng/include/
Dpng.h906 PNG_EXPORT(2, void, png_set_sig_bytes, (png_structrp png_ptr, int num_bytes));
934 (png_const_structrp png_ptr));
936 PNG_EXPORT(7, void, png_set_compression_buffer_size, (png_structrp png_ptr,
950 PNG_EXPORT(8, jmp_buf*, png_set_longjmp_fn, (png_structrp png_ptr,
952 # define png_jmpbuf(png_ptr) \ argument
953 (*png_set_longjmp_fn((png_ptr), longjmp, (sizeof (jmp_buf))))
955 # define png_jmpbuf(png_ptr) \ argument
963 PNG_EXPORTA(9, void, png_longjmp, (png_const_structrp png_ptr, int val),
968 PNG_EXPORTA(10, int, png_reset_zstream, (png_structrp png_ptr), PNG_DEPRECATED);
986 PNG_EXPORT(13, void, png_write_sig, (png_structrp png_ptr));
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/GUIX-v6.2.1/guix_studio/
Dpng_reader.cpp77 png_structp png_ptr = png_create_read_struct(PNG_LIBPNG_VER_STRING, in CheckImageHasAlphaChannel() local
80 if (!png_ptr) in CheckImageHasAlphaChannel()
86 png_infop info = png_create_info_struct(png_ptr); in CheckImageHasAlphaChannel()
91 png_destroy_read_struct(&png_ptr, NULL, NULL); in CheckImageHasAlphaChannel()
95 png_init_io(png_ptr, file); in CheckImageHasAlphaChannel()
96 png_set_sig_bytes(png_ptr, 8); in CheckImageHasAlphaChannel()
97 png_read_info(png_ptr, info); in CheckImageHasAlphaChannel()
102 if (png_get_IHDR(png_ptr, info, NULL, NULL, NULL, &color_type, NULL, NULL, NULL) == 0) in CheckImageHasAlphaChannel()
107 if (png_get_tRNS(png_ptr, info, NULL, &num_trans, NULL) == 0) in CheckImageHasAlphaChannel()
132 png_destroy_read_struct(&png_ptr, &info, NULL); in CheckImageHasAlphaChannel()
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Dimage_reader.h319 …static void ReadDataFromIStream(png_structp png_ptr, png_bytep outBytes, png_size_t byteCountToRea…