diff options
Diffstat (limited to 'drivers/png/pngstruct.h')
| -rw-r--r-- | drivers/png/pngstruct.h | 39 |
1 files changed, 16 insertions, 23 deletions
diff --git a/drivers/png/pngstruct.h b/drivers/png/pngstruct.h index 07f3a04255..52eef80e69 100644 --- a/drivers/png/pngstruct.h +++ b/drivers/png/pngstruct.h @@ -1,12 +1,11 @@ /* pngstruct.h - header file for PNG reference library * - * Copyright (c) 1998-2011 Glenn Randers-Pehrson + * Last changed in libpng 1.5.23 [July 23, 2015] + * Copyright (c) 1998-2002,2004,2006-2015 Glenn Randers-Pehrson * (Version 0.96 Copyright (c) 1996, 1997 Andreas Dilger) * (Version 0.88 Copyright (c) 1995, 1996 Guy Eric Schalnat, Group 42, Inc.) * - * Last changed in libpng 1.5.5 [September 22, 2011] - * * This code is released under the libpng license. * For conditions of distribution and use, see the disclaimer * and license in png.h @@ -121,6 +120,12 @@ struct png_struct_def png_uint_32 crc; /* current chunk CRC value */ png_colorp palette; /* palette from the input file */ png_uint_16 num_palette; /* number of color entries in palette */ + +/* Added at libpng-1.5.10 */ +#ifdef PNG_CHECK_FOR_INVALID_INDEX_SUPPORTED + int num_palette_max; /* maximum palette index found in IDAT */ +#endif + png_uint_16 num_trans; /* number of transparency values */ png_byte compression; /* file compression type (always 0) */ png_byte filter; /* file filter type (always 0) */ @@ -211,13 +216,6 @@ struct png_struct_def int process_mode; /* what push library is currently doing */ int cur_palette; /* current push library palette index */ -# ifdef PNG_TEXT_SUPPORTED - png_size_t current_text_size; /* current size of text input data */ - png_size_t current_text_left; /* how much text left to read in input */ - png_charp current_text; /* current text chunk buffer */ - png_charp current_text_ptr; /* current location in current_text */ -# endif /* PNG_PROGRESSIVE_READ_SUPPORTED && PNG_TEXT_SUPPORTED */ - #endif /* PNG_PROGRESSIVE_READ_SUPPORTED */ #if defined(__TURBOC__) && !defined(_Windows) && !defined(__FLAT__) @@ -238,17 +236,8 @@ struct png_struct_def png_uint_16p hist; /* histogram */ #endif -#ifdef PNG_WRITE_WEIGHTED_FILTER_SUPPORTED - png_byte heuristic_method; /* heuristic for row filter selection */ - png_byte num_prev_filters; /* number of weights for previous rows */ - png_bytep prev_filters; /* filter type(s) of previous row(s) */ - png_uint_16p filter_weights; /* weight(s) for previous line(s) */ - png_uint_16p inv_filter_weights; /* 1/weight(s) for previous line(s) */ - png_uint_16p filter_costs; /* relative filter calculation cost */ - png_uint_16p inv_filter_costs; /* 1/relative filter calculation cost */ -#endif - #ifdef PNG_TIME_RFC1123_SUPPORTED + /* This is going to be unused in libpng16 and removed from libpng17 */ char time_buffer[29]; /* String to hold RFC 1123 time text */ #endif @@ -283,9 +272,7 @@ struct png_struct_def #endif /* New member added in libpng-1.0.4 (renamed in 1.0.9) */ -#if defined(PNG_MNG_FEATURES_SUPPORTED) || \ - defined(PNG_READ_EMPTY_PLTE_SUPPORTED) || \ - defined(PNG_WRITE_EMPTY_PLTE_SUPPORTED) +#if defined(PNG_MNG_FEATURES_SUPPORTED) /* Changed from png_byte to png_uint_32 at version 1.2.0 */ png_uint_32 mng_features_permitted; #endif @@ -354,7 +341,13 @@ struct png_struct_def /* New member added in libpng-1.5.6 */ png_bytep big_prev_row; +/* New member added in libpng-1.5.7 */ void (*read_filter[PNG_FILTER_VALUE_LAST-1])(png_row_infop row_info, png_bytep row, png_const_bytep prev_row); + + /* Options */ +#ifdef PNG_SET_OPTION_SUPPORTED + png_byte options; /* On/off state (up to 4 options) */ +#endif }; #endif /* PNGSTRUCT_H */ |