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author | David Walter Seikel | 2013-01-13 18:54:10 +1000 |
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committer | David Walter Seikel | 2013-01-13 18:54:10 +1000 |
commit | 959831f4ef5a3e797f576c3de08cd65032c997ad (patch) | |
tree | e7351908be5995f0b325b2ebeaa02d5a34b82583 /libraries/irrlicht-1.8/source/Irrlicht/libpng/pngstruct.h | |
parent | Add info about changes to Irrlicht. (diff) | |
download | SledjHamr-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 '')
-rw-r--r-- | libraries/irrlicht-1.8/source/Irrlicht/libpng/pngstruct.h | 716 |
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 | ||
29 | struct png_struct_def | 29 | struct 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 */ |