aboutsummaryrefslogtreecommitdiffstatshomepage
path: root/libraries/irrlicht-1.8/source/Irrlicht/libpng/pngstruct.h
diff options
context:
space:
mode:
authorDavid Walter Seikel2013-01-13 18:54:10 +1000
committerDavid Walter Seikel2013-01-13 18:54:10 +1000
commit959831f4ef5a3e797f576c3de08cd65032c997ad (patch)
treee7351908be5995f0b325b2ebeaa02d5a34b82583 /libraries/irrlicht-1.8/source/Irrlicht/libpng/pngstruct.h
parentAdd info about changes to Irrlicht. (diff)
downloadSledjHamr-959831f4ef5a3e797f576c3de08cd65032c997ad.zip
SledjHamr-959831f4ef5a3e797f576c3de08cd65032c997ad.tar.gz
SledjHamr-959831f4ef5a3e797f576c3de08cd65032c997ad.tar.bz2
SledjHamr-959831f4ef5a3e797f576c3de08cd65032c997ad.tar.xz
Remove damned ancient DOS line endings from Irrlicht. Hopefully I did not go overboard.
Diffstat (limited to 'libraries/irrlicht-1.8/source/Irrlicht/libpng/pngstruct.h')
-rw-r--r--libraries/irrlicht-1.8/source/Irrlicht/libpng/pngstruct.h716
1 files changed, 358 insertions, 358 deletions
diff --git a/libraries/irrlicht-1.8/source/Irrlicht/libpng/pngstruct.h b/libraries/irrlicht-1.8/source/Irrlicht/libpng/pngstruct.h
index 1824c49..860b8bf 100644
--- a/libraries/irrlicht-1.8/source/Irrlicht/libpng/pngstruct.h
+++ b/libraries/irrlicht-1.8/source/Irrlicht/libpng/pngstruct.h
@@ -1,358 +1,358 @@
1 1
2/* pngstruct.h - header file for PNG reference library 2/* pngstruct.h - header file for PNG reference library
3 * 3 *
4 * Copyright (c) 1998-2011 Glenn Randers-Pehrson 4 * Copyright (c) 1998-2011 Glenn Randers-Pehrson
5 * (Version 0.96 Copyright (c) 1996, 1997 Andreas Dilger) 5 * (Version 0.96 Copyright (c) 1996, 1997 Andreas Dilger)
6 * (Version 0.88 Copyright (c) 1995, 1996 Guy Eric Schalnat, Group 42, Inc.) 6 * (Version 0.88 Copyright (c) 1995, 1996 Guy Eric Schalnat, Group 42, Inc.)
7 * 7 *
8 * Last changed in libpng 1.5.9 [February 18, 2012] 8 * Last changed in libpng 1.5.9 [February 18, 2012]
9 * 9 *
10 * This code is released under the libpng license. 10 * This code is released under the libpng license.
11 * For conditions of distribution and use, see the disclaimer 11 * For conditions of distribution and use, see the disclaimer
12 * and license in png.h 12 * and license in png.h
13 */ 13 */
14 14
15/* The structure that holds the information to read and write PNG files. 15/* The structure that holds the information to read and write PNG files.
16 * The only people who need to care about what is inside of this are the 16 * The only people who need to care about what is inside of this are the
17 * people who will be modifying the library for their own special needs. 17 * people who will be modifying the library for their own special needs.
18 * It should NOT be accessed directly by an application. 18 * It should NOT be accessed directly by an application.
19 */ 19 */
20 20
21#ifndef PNGSTRUCT_H 21#ifndef PNGSTRUCT_H
22#define PNGSTRUCT_H 22#define PNGSTRUCT_H
23/* zlib.h defines the structure z_stream, an instance of which is included 23/* zlib.h defines the structure z_stream, an instance of which is included
24 * in this structure and is required for decompressing the LZ compressed 24 * in this structure and is required for decompressing the LZ compressed
25 * data in PNG files. 25 * data in PNG files.
26 */ 26 */
27#include "zlib.h" 27#include "zlib.h"
28 28
29struct png_struct_def 29struct png_struct_def
30{ 30{
31#ifdef PNG_SETJMP_SUPPORTED 31#ifdef PNG_SETJMP_SUPPORTED
32 jmp_buf longjmp_buffer; /* used in png_error */ 32 jmp_buf longjmp_buffer; /* used in png_error */
33 png_longjmp_ptr longjmp_fn;/* setjmp non-local goto function. */ 33 png_longjmp_ptr longjmp_fn;/* setjmp non-local goto function. */
34#endif 34#endif
35 png_error_ptr error_fn; /* function for printing errors and aborting */ 35 png_error_ptr error_fn; /* function for printing errors and aborting */
36#ifdef PNG_WARNINGS_SUPPORTED 36#ifdef PNG_WARNINGS_SUPPORTED
37 png_error_ptr warning_fn; /* function for printing warnings */ 37 png_error_ptr warning_fn; /* function for printing warnings */
38#endif 38#endif
39 png_voidp error_ptr; /* user supplied struct for error functions */ 39 png_voidp error_ptr; /* user supplied struct for error functions */
40 png_rw_ptr write_data_fn; /* function for writing output data */ 40 png_rw_ptr write_data_fn; /* function for writing output data */
41 png_rw_ptr read_data_fn; /* function for reading input data */ 41 png_rw_ptr read_data_fn; /* function for reading input data */
42 png_voidp io_ptr; /* ptr to application struct for I/O functions */ 42 png_voidp io_ptr; /* ptr to application struct for I/O functions */
43 43
44#ifdef PNG_READ_USER_TRANSFORM_SUPPORTED 44#ifdef PNG_READ_USER_TRANSFORM_SUPPORTED
45 png_user_transform_ptr read_user_transform_fn; /* user read transform */ 45 png_user_transform_ptr read_user_transform_fn; /* user read transform */
46#endif 46#endif
47 47
48#ifdef PNG_WRITE_USER_TRANSFORM_SUPPORTED 48#ifdef PNG_WRITE_USER_TRANSFORM_SUPPORTED
49 png_user_transform_ptr write_user_transform_fn; /* user write transform */ 49 png_user_transform_ptr write_user_transform_fn; /* user write transform */
50#endif 50#endif
51 51
52/* These were added in libpng-1.0.2 */ 52/* These were added in libpng-1.0.2 */
53#ifdef PNG_USER_TRANSFORM_PTR_SUPPORTED 53#ifdef PNG_USER_TRANSFORM_PTR_SUPPORTED
54#if defined(PNG_READ_USER_TRANSFORM_SUPPORTED) || \ 54#if defined(PNG_READ_USER_TRANSFORM_SUPPORTED) || \
55 defined(PNG_WRITE_USER_TRANSFORM_SUPPORTED) 55 defined(PNG_WRITE_USER_TRANSFORM_SUPPORTED)
56 png_voidp user_transform_ptr; /* user supplied struct for user transform */ 56 png_voidp user_transform_ptr; /* user supplied struct for user transform */
57 png_byte user_transform_depth; /* bit depth of user transformed pixels */ 57 png_byte user_transform_depth; /* bit depth of user transformed pixels */
58 png_byte user_transform_channels; /* channels in user transformed pixels */ 58 png_byte user_transform_channels; /* channels in user transformed pixels */
59#endif 59#endif
60#endif 60#endif
61 61
62 png_uint_32 mode; /* tells us where we are in the PNG file */ 62 png_uint_32 mode; /* tells us where we are in the PNG file */
63 png_uint_32 flags; /* flags indicating various things to libpng */ 63 png_uint_32 flags; /* flags indicating various things to libpng */
64 png_uint_32 transformations; /* which transformations to perform */ 64 png_uint_32 transformations; /* which transformations to perform */
65 65
66 z_stream zstream; /* pointer to decompression structure (below) */ 66 z_stream zstream; /* pointer to decompression structure (below) */
67 png_bytep zbuf; /* buffer for zlib */ 67 png_bytep zbuf; /* buffer for zlib */
68 uInt zbuf_size; /* size of zbuf (typically 65536) */ 68 uInt zbuf_size; /* size of zbuf (typically 65536) */
69#ifdef PNG_WRITE_SUPPORTED 69#ifdef PNG_WRITE_SUPPORTED
70 70
71/* Added in 1.5.4: state to keep track of whether the zstream has been 71/* Added in 1.5.4: state to keep track of whether the zstream has been
72 * initialized and if so whether it is for IDAT or some other chunk. 72 * initialized and if so whether it is for IDAT or some other chunk.
73 */ 73 */
74#define PNG_ZLIB_UNINITIALIZED 0 74#define PNG_ZLIB_UNINITIALIZED 0
75#define PNG_ZLIB_FOR_IDAT 1 75#define PNG_ZLIB_FOR_IDAT 1
76#define PNG_ZLIB_FOR_TEXT 2 /* anything other than IDAT */ 76#define PNG_ZLIB_FOR_TEXT 2 /* anything other than IDAT */
77#define PNG_ZLIB_USE_MASK 3 /* bottom two bits */ 77#define PNG_ZLIB_USE_MASK 3 /* bottom two bits */
78#define PNG_ZLIB_IN_USE 4 /* a flag value */ 78#define PNG_ZLIB_IN_USE 4 /* a flag value */
79 79
80 png_uint_32 zlib_state; /* State of zlib initialization */ 80 png_uint_32 zlib_state; /* State of zlib initialization */
81/* End of material added at libpng 1.5.4 */ 81/* End of material added at libpng 1.5.4 */
82 82
83 int zlib_level; /* holds zlib compression level */ 83 int zlib_level; /* holds zlib compression level */
84 int zlib_method; /* holds zlib compression method */ 84 int zlib_method; /* holds zlib compression method */
85 int zlib_window_bits; /* holds zlib compression window bits */ 85 int zlib_window_bits; /* holds zlib compression window bits */
86 int zlib_mem_level; /* holds zlib compression memory level */ 86 int zlib_mem_level; /* holds zlib compression memory level */
87 int zlib_strategy; /* holds zlib compression strategy */ 87 int zlib_strategy; /* holds zlib compression strategy */
88#endif 88#endif
89/* Added at libpng 1.5.4 */ 89/* Added at libpng 1.5.4 */
90#if defined(PNG_WRITE_COMPRESSED_TEXT_SUPPORTED) || \ 90#if defined(PNG_WRITE_COMPRESSED_TEXT_SUPPORTED) || \
91 defined(PNG_WRITE_CUSTOMIZE_ZTXT_COMPRESSION_SUPPORTED) 91 defined(PNG_WRITE_CUSTOMIZE_ZTXT_COMPRESSION_SUPPORTED)
92 int zlib_text_level; /* holds zlib compression level */ 92 int zlib_text_level; /* holds zlib compression level */
93 int zlib_text_method; /* holds zlib compression method */ 93 int zlib_text_method; /* holds zlib compression method */
94 int zlib_text_window_bits; /* holds zlib compression window bits */ 94 int zlib_text_window_bits; /* holds zlib compression window bits */
95 int zlib_text_mem_level; /* holds zlib compression memory level */ 95 int zlib_text_mem_level; /* holds zlib compression memory level */
96 int zlib_text_strategy; /* holds zlib compression strategy */ 96 int zlib_text_strategy; /* holds zlib compression strategy */
97#endif 97#endif
98/* End of material added at libpng 1.5.4 */ 98/* End of material added at libpng 1.5.4 */
99 99
100 png_uint_32 width; /* width of image in pixels */ 100 png_uint_32 width; /* width of image in pixels */
101 png_uint_32 height; /* height of image in pixels */ 101 png_uint_32 height; /* height of image in pixels */
102 png_uint_32 num_rows; /* number of rows in current pass */ 102 png_uint_32 num_rows; /* number of rows in current pass */
103 png_uint_32 usr_width; /* width of row at start of write */ 103 png_uint_32 usr_width; /* width of row at start of write */
104 png_size_t rowbytes; /* size of row in bytes */ 104 png_size_t rowbytes; /* size of row in bytes */
105 png_uint_32 iwidth; /* width of current interlaced row in pixels */ 105 png_uint_32 iwidth; /* width of current interlaced row in pixels */
106 png_uint_32 row_number; /* current row in interlace pass */ 106 png_uint_32 row_number; /* current row in interlace pass */
107 png_uint_32 chunk_name; /* PNG_CHUNK() id of current chunk */ 107 png_uint_32 chunk_name; /* PNG_CHUNK() id of current chunk */
108 png_bytep prev_row; /* buffer to save previous (unfiltered) row. 108 png_bytep prev_row; /* buffer to save previous (unfiltered) row.
109 * This is a pointer into big_prev_row 109 * This is a pointer into big_prev_row
110 */ 110 */
111 png_bytep row_buf; /* buffer to save current (unfiltered) row. 111 png_bytep row_buf; /* buffer to save current (unfiltered) row.
112 * This is a pointer into big_row_buf 112 * This is a pointer into big_row_buf
113 */ 113 */
114 png_bytep sub_row; /* buffer to save "sub" row when filtering */ 114 png_bytep sub_row; /* buffer to save "sub" row when filtering */
115 png_bytep up_row; /* buffer to save "up" row when filtering */ 115 png_bytep up_row; /* buffer to save "up" row when filtering */
116 png_bytep avg_row; /* buffer to save "avg" row when filtering */ 116 png_bytep avg_row; /* buffer to save "avg" row when filtering */
117 png_bytep paeth_row; /* buffer to save "Paeth" row when filtering */ 117 png_bytep paeth_row; /* buffer to save "Paeth" row when filtering */
118 png_size_t info_rowbytes; /* Added in 1.5.4: cache of updated row bytes */ 118 png_size_t info_rowbytes; /* Added in 1.5.4: cache of updated row bytes */
119 119
120 png_uint_32 idat_size; /* current IDAT size for read */ 120 png_uint_32 idat_size; /* current IDAT size for read */
121 png_uint_32 crc; /* current chunk CRC value */ 121 png_uint_32 crc; /* current chunk CRC value */
122 png_colorp palette; /* palette from the input file */ 122 png_colorp palette; /* palette from the input file */
123 png_uint_16 num_palette; /* number of color entries in palette */ 123 png_uint_16 num_palette; /* number of color entries in palette */
124 png_uint_16 num_trans; /* number of transparency values */ 124 png_uint_16 num_trans; /* number of transparency values */
125 png_byte compression; /* file compression type (always 0) */ 125 png_byte compression; /* file compression type (always 0) */
126 png_byte filter; /* file filter type (always 0) */ 126 png_byte filter; /* file filter type (always 0) */
127 png_byte interlaced; /* PNG_INTERLACE_NONE, PNG_INTERLACE_ADAM7 */ 127 png_byte interlaced; /* PNG_INTERLACE_NONE, PNG_INTERLACE_ADAM7 */
128 png_byte pass; /* current interlace pass (0 - 6) */ 128 png_byte pass; /* current interlace pass (0 - 6) */
129 png_byte do_filter; /* row filter flags (see PNG_FILTER_ below ) */ 129 png_byte do_filter; /* row filter flags (see PNG_FILTER_ below ) */
130 png_byte color_type; /* color type of file */ 130 png_byte color_type; /* color type of file */
131 png_byte bit_depth; /* bit depth of file */ 131 png_byte bit_depth; /* bit depth of file */
132 png_byte usr_bit_depth; /* bit depth of users row: write only */ 132 png_byte usr_bit_depth; /* bit depth of users row: write only */
133 png_byte pixel_depth; /* number of bits per pixel */ 133 png_byte pixel_depth; /* number of bits per pixel */
134 png_byte channels; /* number of channels in file */ 134 png_byte channels; /* number of channels in file */
135 png_byte usr_channels; /* channels at start of write: write only */ 135 png_byte usr_channels; /* channels at start of write: write only */
136 png_byte sig_bytes; /* magic bytes read/written from start of file */ 136 png_byte sig_bytes; /* magic bytes read/written from start of file */
137 png_byte maximum_pixel_depth; 137 png_byte maximum_pixel_depth;
138 /* pixel depth used for the row buffers */ 138 /* pixel depth used for the row buffers */
139 png_byte transformed_pixel_depth; 139 png_byte transformed_pixel_depth;
140 /* pixel depth after read/write transforms */ 140 /* pixel depth after read/write transforms */
141 png_byte io_chunk_string[5]; 141 png_byte io_chunk_string[5];
142 /* string name of chunk */ 142 /* string name of chunk */
143 143
144#if defined(PNG_READ_FILLER_SUPPORTED) || defined(PNG_WRITE_FILLER_SUPPORTED) 144#if defined(PNG_READ_FILLER_SUPPORTED) || defined(PNG_WRITE_FILLER_SUPPORTED)
145 png_uint_16 filler; /* filler bytes for pixel expansion */ 145 png_uint_16 filler; /* filler bytes for pixel expansion */
146#endif 146#endif
147 147
148#if defined(PNG_bKGD_SUPPORTED) || defined(PNG_READ_BACKGROUND_SUPPORTED) ||\ 148#if defined(PNG_bKGD_SUPPORTED) || defined(PNG_READ_BACKGROUND_SUPPORTED) ||\
149 defined(PNG_READ_ALPHA_MODE_SUPPORTED) 149 defined(PNG_READ_ALPHA_MODE_SUPPORTED)
150 png_byte background_gamma_type; 150 png_byte background_gamma_type;
151 png_fixed_point background_gamma; 151 png_fixed_point background_gamma;
152 png_color_16 background; /* background color in screen gamma space */ 152 png_color_16 background; /* background color in screen gamma space */
153#ifdef PNG_READ_GAMMA_SUPPORTED 153#ifdef PNG_READ_GAMMA_SUPPORTED
154 png_color_16 background_1; /* background normalized to gamma 1.0 */ 154 png_color_16 background_1; /* background normalized to gamma 1.0 */
155#endif 155#endif
156#endif /* PNG_bKGD_SUPPORTED */ 156#endif /* PNG_bKGD_SUPPORTED */
157 157
158#ifdef PNG_WRITE_FLUSH_SUPPORTED 158#ifdef PNG_WRITE_FLUSH_SUPPORTED
159 png_flush_ptr output_flush_fn; /* Function for flushing output */ 159 png_flush_ptr output_flush_fn; /* Function for flushing output */
160 png_uint_32 flush_dist; /* how many rows apart to flush, 0 - no flush */ 160 png_uint_32 flush_dist; /* how many rows apart to flush, 0 - no flush */
161 png_uint_32 flush_rows; /* number of rows written since last flush */ 161 png_uint_32 flush_rows; /* number of rows written since last flush */
162#endif 162#endif
163 163
164#ifdef PNG_READ_GAMMA_SUPPORTED 164#ifdef PNG_READ_GAMMA_SUPPORTED
165 int gamma_shift; /* number of "insignificant" bits in 16-bit gamma */ 165 int gamma_shift; /* number of "insignificant" bits in 16-bit gamma */
166 png_fixed_point gamma; /* file gamma value */ 166 png_fixed_point gamma; /* file gamma value */
167 png_fixed_point screen_gamma; /* screen gamma value (display_exponent) */ 167 png_fixed_point screen_gamma; /* screen gamma value (display_exponent) */
168 168
169 png_bytep gamma_table; /* gamma table for 8-bit depth files */ 169 png_bytep gamma_table; /* gamma table for 8-bit depth files */
170 png_uint_16pp gamma_16_table; /* gamma table for 16-bit depth files */ 170 png_uint_16pp gamma_16_table; /* gamma table for 16-bit depth files */
171#if defined(PNG_READ_BACKGROUND_SUPPORTED) || \ 171#if defined(PNG_READ_BACKGROUND_SUPPORTED) || \
172 defined(PNG_READ_ALPHA_MODE_SUPPORTED) || \ 172 defined(PNG_READ_ALPHA_MODE_SUPPORTED) || \
173 defined(PNG_READ_RGB_TO_GRAY_SUPPORTED) 173 defined(PNG_READ_RGB_TO_GRAY_SUPPORTED)
174 png_bytep gamma_from_1; /* converts from 1.0 to screen */ 174 png_bytep gamma_from_1; /* converts from 1.0 to screen */
175 png_bytep gamma_to_1; /* converts from file to 1.0 */ 175 png_bytep gamma_to_1; /* converts from file to 1.0 */
176 png_uint_16pp gamma_16_from_1; /* converts from 1.0 to screen */ 176 png_uint_16pp gamma_16_from_1; /* converts from 1.0 to screen */
177 png_uint_16pp gamma_16_to_1; /* converts from file to 1.0 */ 177 png_uint_16pp gamma_16_to_1; /* converts from file to 1.0 */
178#endif /* READ_BACKGROUND || READ_ALPHA_MODE || RGB_TO_GRAY */ 178#endif /* READ_BACKGROUND || READ_ALPHA_MODE || RGB_TO_GRAY */
179#endif 179#endif
180 180
181#if defined(PNG_READ_GAMMA_SUPPORTED) || defined(PNG_sBIT_SUPPORTED) 181#if defined(PNG_READ_GAMMA_SUPPORTED) || defined(PNG_sBIT_SUPPORTED)
182 png_color_8 sig_bit; /* significant bits in each available channel */ 182 png_color_8 sig_bit; /* significant bits in each available channel */
183#endif 183#endif
184 184
185#if defined(PNG_READ_SHIFT_SUPPORTED) || defined(PNG_WRITE_SHIFT_SUPPORTED) 185#if defined(PNG_READ_SHIFT_SUPPORTED) || defined(PNG_WRITE_SHIFT_SUPPORTED)
186 png_color_8 shift; /* shift for significant bit tranformation */ 186 png_color_8 shift; /* shift for significant bit tranformation */
187#endif 187#endif
188 188
189#if defined(PNG_tRNS_SUPPORTED) || defined(PNG_READ_BACKGROUND_SUPPORTED) \ 189#if defined(PNG_tRNS_SUPPORTED) || defined(PNG_READ_BACKGROUND_SUPPORTED) \
190 || defined(PNG_READ_EXPAND_SUPPORTED) || defined(PNG_READ_BACKGROUND_SUPPORTED) 190 || defined(PNG_READ_EXPAND_SUPPORTED) || defined(PNG_READ_BACKGROUND_SUPPORTED)
191 png_bytep trans_alpha; /* alpha values for paletted files */ 191 png_bytep trans_alpha; /* alpha values for paletted files */
192 png_color_16 trans_color; /* transparent color for non-paletted files */ 192 png_color_16 trans_color; /* transparent color for non-paletted files */
193#endif 193#endif
194 194
195 png_read_status_ptr read_row_fn; /* called after each row is decoded */ 195 png_read_status_ptr read_row_fn; /* called after each row is decoded */
196 png_write_status_ptr write_row_fn; /* called after each row is encoded */ 196 png_write_status_ptr write_row_fn; /* called after each row is encoded */
197#ifdef PNG_PROGRESSIVE_READ_SUPPORTED 197#ifdef PNG_PROGRESSIVE_READ_SUPPORTED
198 png_progressive_info_ptr info_fn; /* called after header data fully read */ 198 png_progressive_info_ptr info_fn; /* called after header data fully read */
199 png_progressive_row_ptr row_fn; /* called after a prog. row is decoded */ 199 png_progressive_row_ptr row_fn; /* called after a prog. row is decoded */
200 png_progressive_end_ptr end_fn; /* called after image is complete */ 200 png_progressive_end_ptr end_fn; /* called after image is complete */
201 png_bytep save_buffer_ptr; /* current location in save_buffer */ 201 png_bytep save_buffer_ptr; /* current location in save_buffer */
202 png_bytep save_buffer; /* buffer for previously read data */ 202 png_bytep save_buffer; /* buffer for previously read data */
203 png_bytep current_buffer_ptr; /* current location in current_buffer */ 203 png_bytep current_buffer_ptr; /* current location in current_buffer */
204 png_bytep current_buffer; /* buffer for recently used data */ 204 png_bytep current_buffer; /* buffer for recently used data */
205 png_uint_32 push_length; /* size of current input chunk */ 205 png_uint_32 push_length; /* size of current input chunk */
206 png_uint_32 skip_length; /* bytes to skip in input data */ 206 png_uint_32 skip_length; /* bytes to skip in input data */
207 png_size_t save_buffer_size; /* amount of data now in save_buffer */ 207 png_size_t save_buffer_size; /* amount of data now in save_buffer */
208 png_size_t save_buffer_max; /* total size of save_buffer */ 208 png_size_t save_buffer_max; /* total size of save_buffer */
209 png_size_t buffer_size; /* total amount of available input data */ 209 png_size_t buffer_size; /* total amount of available input data */
210 png_size_t current_buffer_size; /* amount of data now in current_buffer */ 210 png_size_t current_buffer_size; /* amount of data now in current_buffer */
211 int process_mode; /* what push library is currently doing */ 211 int process_mode; /* what push library is currently doing */
212 int cur_palette; /* current push library palette index */ 212 int cur_palette; /* current push library palette index */
213 213
214# ifdef PNG_TEXT_SUPPORTED 214# ifdef PNG_TEXT_SUPPORTED
215 png_size_t current_text_size; /* current size of text input data */ 215 png_size_t current_text_size; /* current size of text input data */
216 png_size_t current_text_left; /* how much text left to read in input */ 216 png_size_t current_text_left; /* how much text left to read in input */
217 png_charp current_text; /* current text chunk buffer */ 217 png_charp current_text; /* current text chunk buffer */
218 png_charp current_text_ptr; /* current location in current_text */ 218 png_charp current_text_ptr; /* current location in current_text */
219# endif /* PNG_PROGRESSIVE_READ_SUPPORTED && PNG_TEXT_SUPPORTED */ 219# endif /* PNG_PROGRESSIVE_READ_SUPPORTED && PNG_TEXT_SUPPORTED */
220 220
221#endif /* PNG_PROGRESSIVE_READ_SUPPORTED */ 221#endif /* PNG_PROGRESSIVE_READ_SUPPORTED */
222 222
223#if defined(__TURBOC__) && !defined(_Windows) && !defined(__FLAT__) 223#if defined(__TURBOC__) && !defined(_Windows) && !defined(__FLAT__)
224/* For the Borland special 64K segment handler */ 224/* For the Borland special 64K segment handler */
225 png_bytepp offset_table_ptr; 225 png_bytepp offset_table_ptr;
226 png_bytep offset_table; 226 png_bytep offset_table;
227 png_uint_16 offset_table_number; 227 png_uint_16 offset_table_number;
228 png_uint_16 offset_table_count; 228 png_uint_16 offset_table_count;
229 png_uint_16 offset_table_count_free; 229 png_uint_16 offset_table_count_free;
230#endif 230#endif
231 231
232#ifdef PNG_READ_QUANTIZE_SUPPORTED 232#ifdef PNG_READ_QUANTIZE_SUPPORTED
233 png_bytep palette_lookup; /* lookup table for quantizing */ 233 png_bytep palette_lookup; /* lookup table for quantizing */
234 png_bytep quantize_index; /* index translation for palette files */ 234 png_bytep quantize_index; /* index translation for palette files */
235#endif 235#endif
236 236
237#if defined(PNG_READ_QUANTIZE_SUPPORTED) || defined(PNG_hIST_SUPPORTED) 237#if defined(PNG_READ_QUANTIZE_SUPPORTED) || defined(PNG_hIST_SUPPORTED)
238 png_uint_16p hist; /* histogram */ 238 png_uint_16p hist; /* histogram */
239#endif 239#endif
240 240
241#ifdef PNG_WRITE_WEIGHTED_FILTER_SUPPORTED 241#ifdef PNG_WRITE_WEIGHTED_FILTER_SUPPORTED
242 png_byte heuristic_method; /* heuristic for row filter selection */ 242 png_byte heuristic_method; /* heuristic for row filter selection */
243 png_byte num_prev_filters; /* number of weights for previous rows */ 243 png_byte num_prev_filters; /* number of weights for previous rows */
244 png_bytep prev_filters; /* filter type(s) of previous row(s) */ 244 png_bytep prev_filters; /* filter type(s) of previous row(s) */
245 png_uint_16p filter_weights; /* weight(s) for previous line(s) */ 245 png_uint_16p filter_weights; /* weight(s) for previous line(s) */
246 png_uint_16p inv_filter_weights; /* 1/weight(s) for previous line(s) */ 246 png_uint_16p inv_filter_weights; /* 1/weight(s) for previous line(s) */
247 png_uint_16p filter_costs; /* relative filter calculation cost */ 247 png_uint_16p filter_costs; /* relative filter calculation cost */
248 png_uint_16p inv_filter_costs; /* 1/relative filter calculation cost */ 248 png_uint_16p inv_filter_costs; /* 1/relative filter calculation cost */
249#endif 249#endif
250 250
251#ifdef PNG_TIME_RFC1123_SUPPORTED 251#ifdef PNG_TIME_RFC1123_SUPPORTED
252 char time_buffer[29]; /* String to hold RFC 1123 time text */ 252 char time_buffer[29]; /* String to hold RFC 1123 time text */
253#endif 253#endif
254 254
255/* New members added in libpng-1.0.6 */ 255/* New members added in libpng-1.0.6 */
256 256
257 png_uint_32 free_me; /* flags items libpng is responsible for freeing */ 257 png_uint_32 free_me; /* flags items libpng is responsible for freeing */
258 258
259#ifdef PNG_USER_CHUNKS_SUPPORTED 259#ifdef PNG_USER_CHUNKS_SUPPORTED
260 png_voidp user_chunk_ptr; 260 png_voidp user_chunk_ptr;
261 png_user_chunk_ptr read_user_chunk_fn; /* user read chunk handler */ 261 png_user_chunk_ptr read_user_chunk_fn; /* user read chunk handler */
262#endif 262#endif
263 263
264#ifdef PNG_HANDLE_AS_UNKNOWN_SUPPORTED 264#ifdef PNG_HANDLE_AS_UNKNOWN_SUPPORTED
265 int num_chunk_list; 265 int num_chunk_list;
266 png_bytep chunk_list; 266 png_bytep chunk_list;
267#endif 267#endif
268 268
269#ifdef PNG_READ_sRGB_SUPPORTED 269#ifdef PNG_READ_sRGB_SUPPORTED
270 /* Added in 1.5.5 to record an sRGB chunk in the png. */ 270 /* Added in 1.5.5 to record an sRGB chunk in the png. */
271 png_byte is_sRGB; 271 png_byte is_sRGB;
272#endif 272#endif
273 273
274/* New members added in libpng-1.0.3 */ 274/* New members added in libpng-1.0.3 */
275#ifdef PNG_READ_RGB_TO_GRAY_SUPPORTED 275#ifdef PNG_READ_RGB_TO_GRAY_SUPPORTED
276 png_byte rgb_to_gray_status; 276 png_byte rgb_to_gray_status;
277 /* Added in libpng 1.5.5 to record setting of coefficients: */ 277 /* Added in libpng 1.5.5 to record setting of coefficients: */
278 png_byte rgb_to_gray_coefficients_set; 278 png_byte rgb_to_gray_coefficients_set;
279 /* These were changed from png_byte in libpng-1.0.6 */ 279 /* These were changed from png_byte in libpng-1.0.6 */
280 png_uint_16 rgb_to_gray_red_coeff; 280 png_uint_16 rgb_to_gray_red_coeff;
281 png_uint_16 rgb_to_gray_green_coeff; 281 png_uint_16 rgb_to_gray_green_coeff;
282 /* deleted in 1.5.5: rgb_to_gray_blue_coeff; */ 282 /* deleted in 1.5.5: rgb_to_gray_blue_coeff; */
283#endif 283#endif
284 284
285/* New member added in libpng-1.0.4 (renamed in 1.0.9) */ 285/* New member added in libpng-1.0.4 (renamed in 1.0.9) */
286#if defined(PNG_MNG_FEATURES_SUPPORTED) 286#if defined(PNG_MNG_FEATURES_SUPPORTED)
287/* Changed from png_byte to png_uint_32 at version 1.2.0 */ 287/* Changed from png_byte to png_uint_32 at version 1.2.0 */
288 png_uint_32 mng_features_permitted; 288 png_uint_32 mng_features_permitted;
289#endif 289#endif
290 290
291/* New member added in libpng-1.0.9, ifdef'ed out in 1.0.12, enabled in 1.2.0 */ 291/* New member added in libpng-1.0.9, ifdef'ed out in 1.0.12, enabled in 1.2.0 */
292#ifdef PNG_MNG_FEATURES_SUPPORTED 292#ifdef PNG_MNG_FEATURES_SUPPORTED
293 png_byte filter_type; 293 png_byte filter_type;
294#endif 294#endif
295 295
296/* New members added in libpng-1.2.0 */ 296/* New members added in libpng-1.2.0 */
297 297
298/* New members added in libpng-1.0.2 but first enabled by default in 1.2.0 */ 298/* New members added in libpng-1.0.2 but first enabled by default in 1.2.0 */
299#ifdef PNG_USER_MEM_SUPPORTED 299#ifdef PNG_USER_MEM_SUPPORTED
300 png_voidp mem_ptr; /* user supplied struct for mem functions */ 300 png_voidp mem_ptr; /* user supplied struct for mem functions */
301 png_malloc_ptr malloc_fn; /* function for allocating memory */ 301 png_malloc_ptr malloc_fn; /* function for allocating memory */
302 png_free_ptr free_fn; /* function for freeing memory */ 302 png_free_ptr free_fn; /* function for freeing memory */
303#endif 303#endif
304 304
305/* New member added in libpng-1.0.13 and 1.2.0 */ 305/* New member added in libpng-1.0.13 and 1.2.0 */
306 png_bytep big_row_buf; /* buffer to save current (unfiltered) row */ 306 png_bytep big_row_buf; /* buffer to save current (unfiltered) row */
307 307
308#ifdef PNG_READ_QUANTIZE_SUPPORTED 308#ifdef PNG_READ_QUANTIZE_SUPPORTED
309/* The following three members were added at version 1.0.14 and 1.2.4 */ 309/* The following three members were added at version 1.0.14 and 1.2.4 */
310 png_bytep quantize_sort; /* working sort array */ 310 png_bytep quantize_sort; /* working sort array */
311 png_bytep index_to_palette; /* where the original index currently is 311 png_bytep index_to_palette; /* where the original index currently is
312 in the palette */ 312 in the palette */
313 png_bytep palette_to_index; /* which original index points to this 313 png_bytep palette_to_index; /* which original index points to this
314 palette color */ 314 palette color */
315#endif 315#endif
316 316
317/* New members added in libpng-1.0.16 and 1.2.6 */ 317/* New members added in libpng-1.0.16 and 1.2.6 */
318 png_byte compression_type; 318 png_byte compression_type;
319 319
320#ifdef PNG_USER_LIMITS_SUPPORTED 320#ifdef PNG_USER_LIMITS_SUPPORTED
321 png_uint_32 user_width_max; 321 png_uint_32 user_width_max;
322 png_uint_32 user_height_max; 322 png_uint_32 user_height_max;
323 323
324 /* Added in libpng-1.4.0: Total number of sPLT, text, and unknown 324 /* Added in libpng-1.4.0: Total number of sPLT, text, and unknown
325 * chunks that can be stored (0 means unlimited). 325 * chunks that can be stored (0 means unlimited).
326 */ 326 */
327 png_uint_32 user_chunk_cache_max; 327 png_uint_32 user_chunk_cache_max;
328 328
329 /* Total memory that a zTXt, sPLT, iTXt, iCCP, or unknown chunk 329 /* Total memory that a zTXt, sPLT, iTXt, iCCP, or unknown chunk
330 * can occupy when decompressed. 0 means unlimited. 330 * can occupy when decompressed. 0 means unlimited.
331 */ 331 */
332 png_alloc_size_t user_chunk_malloc_max; 332 png_alloc_size_t user_chunk_malloc_max;
333#endif 333#endif
334 334
335/* New member added in libpng-1.0.25 and 1.2.17 */ 335/* New member added in libpng-1.0.25 and 1.2.17 */
336#ifdef PNG_UNKNOWN_CHUNKS_SUPPORTED 336#ifdef PNG_UNKNOWN_CHUNKS_SUPPORTED
337 /* Storage for unknown chunk that the library doesn't recognize. */ 337 /* Storage for unknown chunk that the library doesn't recognize. */
338 png_unknown_chunk unknown_chunk; 338 png_unknown_chunk unknown_chunk;
339#endif 339#endif
340 340
341/* New member added in libpng-1.2.26 */ 341/* New member added in libpng-1.2.26 */
342 png_size_t old_big_row_buf_size; 342 png_size_t old_big_row_buf_size;
343 343
344/* New member added in libpng-1.2.30 */ 344/* New member added in libpng-1.2.30 */
345 png_charp chunkdata; /* buffer for reading chunk data */ 345 png_charp chunkdata; /* buffer for reading chunk data */
346 346
347#ifdef PNG_IO_STATE_SUPPORTED 347#ifdef PNG_IO_STATE_SUPPORTED
348/* New member added in libpng-1.4.0 */ 348/* New member added in libpng-1.4.0 */
349 png_uint_32 io_state; 349 png_uint_32 io_state;
350#endif 350#endif
351 351
352/* New member added in libpng-1.5.6 */ 352/* New member added in libpng-1.5.6 */
353 png_bytep big_prev_row; 353 png_bytep big_prev_row;
354 354
355 void (*read_filter[PNG_FILTER_VALUE_LAST-1])(png_row_infop row_info, 355 void (*read_filter[PNG_FILTER_VALUE_LAST-1])(png_row_infop row_info,
356 png_bytep row, png_const_bytep prev_row); 356 png_bytep row, png_const_bytep prev_row);
357}; 357};
358#endif /* PNGSTRUCT_H */ 358#endif /* PNGSTRUCT_H */
generated by cgit v1.1 at 2024-09-09 09:49:18 +0000