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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/jpeglib/jpegint.h
parentAdd info about changes to Irrlicht. (diff)
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Remove damned ancient DOS line endings from Irrlicht. Hopefully I did not go overboard.
Diffstat (limited to 'libraries/irrlicht-1.8/source/Irrlicht/jpeglib/jpegint.h')
-rw-r--r--libraries/irrlicht-1.8/source/Irrlicht/jpeglib/jpegint.h852
1 files changed, 426 insertions, 426 deletions
diff --git a/libraries/irrlicht-1.8/source/Irrlicht/jpeglib/jpegint.h b/libraries/irrlicht-1.8/source/Irrlicht/jpeglib/jpegint.h
index 18404ef..c0d5c14 100644
--- a/libraries/irrlicht-1.8/source/Irrlicht/jpeglib/jpegint.h
+++ b/libraries/irrlicht-1.8/source/Irrlicht/jpeglib/jpegint.h
@@ -1,426 +1,426 @@
1/* 1/*
2 * jpegint.h 2 * jpegint.h
3 * 3 *
4 * Copyright (C) 1991-1997, Thomas G. Lane. 4 * Copyright (C) 1991-1997, Thomas G. Lane.
5 * Modified 1997-2011 by Guido Vollbeding. 5 * Modified 1997-2011 by Guido Vollbeding.
6 * This file is part of the Independent JPEG Group's software. 6 * This file is part of the Independent JPEG Group's software.
7 * For conditions of distribution and use, see the accompanying README file. 7 * For conditions of distribution and use, see the accompanying README file.
8 * 8 *
9 * This file provides common declarations for the various JPEG modules. 9 * This file provides common declarations for the various JPEG modules.
10 * These declarations are considered internal to the JPEG library; most 10 * These declarations are considered internal to the JPEG library; most
11 * applications using the library shouldn't need to include this file. 11 * applications using the library shouldn't need to include this file.
12 */ 12 */
13 13
14 14
15/* Declarations for both compression & decompression */ 15/* Declarations for both compression & decompression */
16 16
17typedef enum { /* Operating modes for buffer controllers */ 17typedef enum { /* Operating modes for buffer controllers */
18 JBUF_PASS_THRU, /* Plain stripwise operation */ 18 JBUF_PASS_THRU, /* Plain stripwise operation */
19 /* Remaining modes require a full-image buffer to have been created */ 19 /* Remaining modes require a full-image buffer to have been created */
20 JBUF_SAVE_SOURCE, /* Run source subobject only, save output */ 20 JBUF_SAVE_SOURCE, /* Run source subobject only, save output */
21 JBUF_CRANK_DEST, /* Run dest subobject only, using saved data */ 21 JBUF_CRANK_DEST, /* Run dest subobject only, using saved data */
22 JBUF_SAVE_AND_PASS /* Run both subobjects, save output */ 22 JBUF_SAVE_AND_PASS /* Run both subobjects, save output */
23} J_BUF_MODE; 23} J_BUF_MODE;
24 24
25/* Values of global_state field (jdapi.c has some dependencies on ordering!) */ 25/* Values of global_state field (jdapi.c has some dependencies on ordering!) */
26#define CSTATE_START 100 /* after create_compress */ 26#define CSTATE_START 100 /* after create_compress */
27#define CSTATE_SCANNING 101 /* start_compress done, write_scanlines OK */ 27#define CSTATE_SCANNING 101 /* start_compress done, write_scanlines OK */
28#define CSTATE_RAW_OK 102 /* start_compress done, write_raw_data OK */ 28#define CSTATE_RAW_OK 102 /* start_compress done, write_raw_data OK */
29#define CSTATE_WRCOEFS 103 /* jpeg_write_coefficients done */ 29#define CSTATE_WRCOEFS 103 /* jpeg_write_coefficients done */
30#define DSTATE_START 200 /* after create_decompress */ 30#define DSTATE_START 200 /* after create_decompress */
31#define DSTATE_INHEADER 201 /* reading header markers, no SOS yet */ 31#define DSTATE_INHEADER 201 /* reading header markers, no SOS yet */
32#define DSTATE_READY 202 /* found SOS, ready for start_decompress */ 32#define DSTATE_READY 202 /* found SOS, ready for start_decompress */
33#define DSTATE_PRELOAD 203 /* reading multiscan file in start_decompress*/ 33#define DSTATE_PRELOAD 203 /* reading multiscan file in start_decompress*/
34#define DSTATE_PRESCAN 204 /* performing dummy pass for 2-pass quant */ 34#define DSTATE_PRESCAN 204 /* performing dummy pass for 2-pass quant */
35#define DSTATE_SCANNING 205 /* start_decompress done, read_scanlines OK */ 35#define DSTATE_SCANNING 205 /* start_decompress done, read_scanlines OK */
36#define DSTATE_RAW_OK 206 /* start_decompress done, read_raw_data OK */ 36#define DSTATE_RAW_OK 206 /* start_decompress done, read_raw_data OK */
37#define DSTATE_BUFIMAGE 207 /* expecting jpeg_start_output */ 37#define DSTATE_BUFIMAGE 207 /* expecting jpeg_start_output */
38#define DSTATE_BUFPOST 208 /* looking for SOS/EOI in jpeg_finish_output */ 38#define DSTATE_BUFPOST 208 /* looking for SOS/EOI in jpeg_finish_output */
39#define DSTATE_RDCOEFS 209 /* reading file in jpeg_read_coefficients */ 39#define DSTATE_RDCOEFS 209 /* reading file in jpeg_read_coefficients */
40#define DSTATE_STOPPING 210 /* looking for EOI in jpeg_finish_decompress */ 40#define DSTATE_STOPPING 210 /* looking for EOI in jpeg_finish_decompress */
41 41
42 42
43/* Declarations for compression modules */ 43/* Declarations for compression modules */
44 44
45/* Master control module */ 45/* Master control module */
46struct jpeg_comp_master { 46struct jpeg_comp_master {
47 JMETHOD(void, prepare_for_pass, (j_compress_ptr cinfo)); 47 JMETHOD(void, prepare_for_pass, (j_compress_ptr cinfo));
48 JMETHOD(void, pass_startup, (j_compress_ptr cinfo)); 48 JMETHOD(void, pass_startup, (j_compress_ptr cinfo));
49 JMETHOD(void, finish_pass, (j_compress_ptr cinfo)); 49 JMETHOD(void, finish_pass, (j_compress_ptr cinfo));
50 50
51 /* State variables made visible to other modules */ 51 /* State variables made visible to other modules */
52 boolean call_pass_startup; /* True if pass_startup must be called */ 52 boolean call_pass_startup; /* True if pass_startup must be called */
53 boolean is_last_pass; /* True during last pass */ 53 boolean is_last_pass; /* True during last pass */
54}; 54};
55 55
56/* Main buffer control (downsampled-data buffer) */ 56/* Main buffer control (downsampled-data buffer) */
57struct jpeg_c_main_controller { 57struct jpeg_c_main_controller {
58 JMETHOD(void, start_pass, (j_compress_ptr cinfo, J_BUF_MODE pass_mode)); 58 JMETHOD(void, start_pass, (j_compress_ptr cinfo, J_BUF_MODE pass_mode));
59 JMETHOD(void, process_data, (j_compress_ptr cinfo, 59 JMETHOD(void, process_data, (j_compress_ptr cinfo,
60 JSAMPARRAY input_buf, JDIMENSION *in_row_ctr, 60 JSAMPARRAY input_buf, JDIMENSION *in_row_ctr,
61 JDIMENSION in_rows_avail)); 61 JDIMENSION in_rows_avail));
62}; 62};
63 63
64/* Compression preprocessing (downsampling input buffer control) */ 64/* Compression preprocessing (downsampling input buffer control) */
65struct jpeg_c_prep_controller { 65struct jpeg_c_prep_controller {
66 JMETHOD(void, start_pass, (j_compress_ptr cinfo, J_BUF_MODE pass_mode)); 66 JMETHOD(void, start_pass, (j_compress_ptr cinfo, J_BUF_MODE pass_mode));
67 JMETHOD(void, pre_process_data, (j_compress_ptr cinfo, 67 JMETHOD(void, pre_process_data, (j_compress_ptr cinfo,
68 JSAMPARRAY input_buf, 68 JSAMPARRAY input_buf,
69 JDIMENSION *in_row_ctr, 69 JDIMENSION *in_row_ctr,
70 JDIMENSION in_rows_avail, 70 JDIMENSION in_rows_avail,
71 JSAMPIMAGE output_buf, 71 JSAMPIMAGE output_buf,
72 JDIMENSION *out_row_group_ctr, 72 JDIMENSION *out_row_group_ctr,
73 JDIMENSION out_row_groups_avail)); 73 JDIMENSION out_row_groups_avail));
74}; 74};
75 75
76/* Coefficient buffer control */ 76/* Coefficient buffer control */
77struct jpeg_c_coef_controller { 77struct jpeg_c_coef_controller {
78 JMETHOD(void, start_pass, (j_compress_ptr cinfo, J_BUF_MODE pass_mode)); 78 JMETHOD(void, start_pass, (j_compress_ptr cinfo, J_BUF_MODE pass_mode));
79 JMETHOD(boolean, compress_data, (j_compress_ptr cinfo, 79 JMETHOD(boolean, compress_data, (j_compress_ptr cinfo,
80 JSAMPIMAGE input_buf)); 80 JSAMPIMAGE input_buf));
81}; 81};
82 82
83/* Colorspace conversion */ 83/* Colorspace conversion */
84struct jpeg_color_converter { 84struct jpeg_color_converter {
85 JMETHOD(void, start_pass, (j_compress_ptr cinfo)); 85 JMETHOD(void, start_pass, (j_compress_ptr cinfo));
86 JMETHOD(void, color_convert, (j_compress_ptr cinfo, 86 JMETHOD(void, color_convert, (j_compress_ptr cinfo,
87 JSAMPARRAY input_buf, JSAMPIMAGE output_buf, 87 JSAMPARRAY input_buf, JSAMPIMAGE output_buf,
88 JDIMENSION output_row, int num_rows)); 88 JDIMENSION output_row, int num_rows));
89}; 89};
90 90
91/* Downsampling */ 91/* Downsampling */
92struct jpeg_downsampler { 92struct jpeg_downsampler {
93 JMETHOD(void, start_pass, (j_compress_ptr cinfo)); 93 JMETHOD(void, start_pass, (j_compress_ptr cinfo));
94 JMETHOD(void, downsample, (j_compress_ptr cinfo, 94 JMETHOD(void, downsample, (j_compress_ptr cinfo,
95 JSAMPIMAGE input_buf, JDIMENSION in_row_index, 95 JSAMPIMAGE input_buf, JDIMENSION in_row_index,
96 JSAMPIMAGE output_buf, 96 JSAMPIMAGE output_buf,
97 JDIMENSION out_row_group_index)); 97 JDIMENSION out_row_group_index));
98 98
99 boolean need_context_rows; /* TRUE if need rows above & below */ 99 boolean need_context_rows; /* TRUE if need rows above & below */
100}; 100};
101 101
102/* Forward DCT (also controls coefficient quantization) */ 102/* Forward DCT (also controls coefficient quantization) */
103typedef JMETHOD(void, forward_DCT_ptr, 103typedef JMETHOD(void, forward_DCT_ptr,
104 (j_compress_ptr cinfo, jpeg_component_info * compptr, 104 (j_compress_ptr cinfo, jpeg_component_info * compptr,
105 JSAMPARRAY sample_data, JBLOCKROW coef_blocks, 105 JSAMPARRAY sample_data, JBLOCKROW coef_blocks,
106 JDIMENSION start_row, JDIMENSION start_col, 106 JDIMENSION start_row, JDIMENSION start_col,
107 JDIMENSION num_blocks)); 107 JDIMENSION num_blocks));
108 108
109struct jpeg_forward_dct { 109struct jpeg_forward_dct {
110 JMETHOD(void, start_pass, (j_compress_ptr cinfo)); 110 JMETHOD(void, start_pass, (j_compress_ptr cinfo));
111 /* It is useful to allow each component to have a separate FDCT method. */ 111 /* It is useful to allow each component to have a separate FDCT method. */
112 forward_DCT_ptr forward_DCT[MAX_COMPONENTS]; 112 forward_DCT_ptr forward_DCT[MAX_COMPONENTS];
113}; 113};
114 114
115/* Entropy encoding */ 115/* Entropy encoding */
116struct jpeg_entropy_encoder { 116struct jpeg_entropy_encoder {
117 JMETHOD(void, start_pass, (j_compress_ptr cinfo, boolean gather_statistics)); 117 JMETHOD(void, start_pass, (j_compress_ptr cinfo, boolean gather_statistics));
118 JMETHOD(boolean, encode_mcu, (j_compress_ptr cinfo, JBLOCKROW *MCU_data)); 118 JMETHOD(boolean, encode_mcu, (j_compress_ptr cinfo, JBLOCKROW *MCU_data));
119 JMETHOD(void, finish_pass, (j_compress_ptr cinfo)); 119 JMETHOD(void, finish_pass, (j_compress_ptr cinfo));
120}; 120};
121 121
122/* Marker writing */ 122/* Marker writing */
123struct jpeg_marker_writer { 123struct jpeg_marker_writer {
124 JMETHOD(void, write_file_header, (j_compress_ptr cinfo)); 124 JMETHOD(void, write_file_header, (j_compress_ptr cinfo));
125 JMETHOD(void, write_frame_header, (j_compress_ptr cinfo)); 125 JMETHOD(void, write_frame_header, (j_compress_ptr cinfo));
126 JMETHOD(void, write_scan_header, (j_compress_ptr cinfo)); 126 JMETHOD(void, write_scan_header, (j_compress_ptr cinfo));
127 JMETHOD(void, write_file_trailer, (j_compress_ptr cinfo)); 127 JMETHOD(void, write_file_trailer, (j_compress_ptr cinfo));
128 JMETHOD(void, write_tables_only, (j_compress_ptr cinfo)); 128 JMETHOD(void, write_tables_only, (j_compress_ptr cinfo));
129 /* These routines are exported to allow insertion of extra markers */ 129 /* These routines are exported to allow insertion of extra markers */
130 /* Probably only COM and APPn markers should be written this way */ 130 /* Probably only COM and APPn markers should be written this way */
131 JMETHOD(void, write_marker_header, (j_compress_ptr cinfo, int marker, 131 JMETHOD(void, write_marker_header, (j_compress_ptr cinfo, int marker,
132 unsigned int datalen)); 132 unsigned int datalen));
133 JMETHOD(void, write_marker_byte, (j_compress_ptr cinfo, int val)); 133 JMETHOD(void, write_marker_byte, (j_compress_ptr cinfo, int val));
134}; 134};
135 135
136 136
137/* Declarations for decompression modules */ 137/* Declarations for decompression modules */
138 138
139/* Master control module */ 139/* Master control module */
140struct jpeg_decomp_master { 140struct jpeg_decomp_master {
141 JMETHOD(void, prepare_for_output_pass, (j_decompress_ptr cinfo)); 141 JMETHOD(void, prepare_for_output_pass, (j_decompress_ptr cinfo));
142 JMETHOD(void, finish_output_pass, (j_decompress_ptr cinfo)); 142 JMETHOD(void, finish_output_pass, (j_decompress_ptr cinfo));
143 143
144 /* State variables made visible to other modules */ 144 /* State variables made visible to other modules */
145 boolean is_dummy_pass; /* True during 1st pass for 2-pass quant */ 145 boolean is_dummy_pass; /* True during 1st pass for 2-pass quant */
146}; 146};
147 147
148/* Input control module */ 148/* Input control module */
149struct jpeg_input_controller { 149struct jpeg_input_controller {
150 JMETHOD(int, consume_input, (j_decompress_ptr cinfo)); 150 JMETHOD(int, consume_input, (j_decompress_ptr cinfo));
151 JMETHOD(void, reset_input_controller, (j_decompress_ptr cinfo)); 151 JMETHOD(void, reset_input_controller, (j_decompress_ptr cinfo));
152 JMETHOD(void, start_input_pass, (j_decompress_ptr cinfo)); 152 JMETHOD(void, start_input_pass, (j_decompress_ptr cinfo));
153 JMETHOD(void, finish_input_pass, (j_decompress_ptr cinfo)); 153 JMETHOD(void, finish_input_pass, (j_decompress_ptr cinfo));
154 154
155 /* State variables made visible to other modules */ 155 /* State variables made visible to other modules */
156 boolean has_multiple_scans; /* True if file has multiple scans */ 156 boolean has_multiple_scans; /* True if file has multiple scans */
157 boolean eoi_reached; /* True when EOI has been consumed */ 157 boolean eoi_reached; /* True when EOI has been consumed */
158}; 158};
159 159
160/* Main buffer control (downsampled-data buffer) */ 160/* Main buffer control (downsampled-data buffer) */
161struct jpeg_d_main_controller { 161struct jpeg_d_main_controller {
162 JMETHOD(void, start_pass, (j_decompress_ptr cinfo, J_BUF_MODE pass_mode)); 162 JMETHOD(void, start_pass, (j_decompress_ptr cinfo, J_BUF_MODE pass_mode));
163 JMETHOD(void, process_data, (j_decompress_ptr cinfo, 163 JMETHOD(void, process_data, (j_decompress_ptr cinfo,
164 JSAMPARRAY output_buf, JDIMENSION *out_row_ctr, 164 JSAMPARRAY output_buf, JDIMENSION *out_row_ctr,
165 JDIMENSION out_rows_avail)); 165 JDIMENSION out_rows_avail));
166}; 166};
167 167
168/* Coefficient buffer control */ 168/* Coefficient buffer control */
169struct jpeg_d_coef_controller { 169struct jpeg_d_coef_controller {
170 JMETHOD(void, start_input_pass, (j_decompress_ptr cinfo)); 170 JMETHOD(void, start_input_pass, (j_decompress_ptr cinfo));
171 JMETHOD(int, consume_data, (j_decompress_ptr cinfo)); 171 JMETHOD(int, consume_data, (j_decompress_ptr cinfo));
172 JMETHOD(void, start_output_pass, (j_decompress_ptr cinfo)); 172 JMETHOD(void, start_output_pass, (j_decompress_ptr cinfo));
173 JMETHOD(int, decompress_data, (j_decompress_ptr cinfo, 173 JMETHOD(int, decompress_data, (j_decompress_ptr cinfo,
174 JSAMPIMAGE output_buf)); 174 JSAMPIMAGE output_buf));
175 /* Pointer to array of coefficient virtual arrays, or NULL if none */ 175 /* Pointer to array of coefficient virtual arrays, or NULL if none */
176 jvirt_barray_ptr *coef_arrays; 176 jvirt_barray_ptr *coef_arrays;
177}; 177};
178 178
179/* Decompression postprocessing (color quantization buffer control) */ 179/* Decompression postprocessing (color quantization buffer control) */
180struct jpeg_d_post_controller { 180struct jpeg_d_post_controller {
181 JMETHOD(void, start_pass, (j_decompress_ptr cinfo, J_BUF_MODE pass_mode)); 181 JMETHOD(void, start_pass, (j_decompress_ptr cinfo, J_BUF_MODE pass_mode));
182 JMETHOD(void, post_process_data, (j_decompress_ptr cinfo, 182 JMETHOD(void, post_process_data, (j_decompress_ptr cinfo,
183 JSAMPIMAGE input_buf, 183 JSAMPIMAGE input_buf,
184 JDIMENSION *in_row_group_ctr, 184 JDIMENSION *in_row_group_ctr,
185 JDIMENSION in_row_groups_avail, 185 JDIMENSION in_row_groups_avail,
186 JSAMPARRAY output_buf, 186 JSAMPARRAY output_buf,
187 JDIMENSION *out_row_ctr, 187 JDIMENSION *out_row_ctr,
188 JDIMENSION out_rows_avail)); 188 JDIMENSION out_rows_avail));
189}; 189};
190 190
191/* Marker reading & parsing */ 191/* Marker reading & parsing */
192struct jpeg_marker_reader { 192struct jpeg_marker_reader {
193 JMETHOD(void, reset_marker_reader, (j_decompress_ptr cinfo)); 193 JMETHOD(void, reset_marker_reader, (j_decompress_ptr cinfo));
194 /* Read markers until SOS or EOI. 194 /* Read markers until SOS or EOI.
195 * Returns same codes as are defined for jpeg_consume_input: 195 * Returns same codes as are defined for jpeg_consume_input:
196 * JPEG_SUSPENDED, JPEG_REACHED_SOS, or JPEG_REACHED_EOI. 196 * JPEG_SUSPENDED, JPEG_REACHED_SOS, or JPEG_REACHED_EOI.
197 */ 197 */
198 JMETHOD(int, read_markers, (j_decompress_ptr cinfo)); 198 JMETHOD(int, read_markers, (j_decompress_ptr cinfo));
199 /* Read a restart marker --- exported for use by entropy decoder only */ 199 /* Read a restart marker --- exported for use by entropy decoder only */
200 jpeg_marker_parser_method read_restart_marker; 200 jpeg_marker_parser_method read_restart_marker;
201 201
202 /* State of marker reader --- nominally internal, but applications 202 /* State of marker reader --- nominally internal, but applications
203 * supplying COM or APPn handlers might like to know the state. 203 * supplying COM or APPn handlers might like to know the state.
204 */ 204 */
205 boolean saw_SOI; /* found SOI? */ 205 boolean saw_SOI; /* found SOI? */
206 boolean saw_SOF; /* found SOF? */ 206 boolean saw_SOF; /* found SOF? */
207 int next_restart_num; /* next restart number expected (0-7) */ 207 int next_restart_num; /* next restart number expected (0-7) */
208 unsigned int discarded_bytes; /* # of bytes skipped looking for a marker */ 208 unsigned int discarded_bytes; /* # of bytes skipped looking for a marker */
209}; 209};
210 210
211/* Entropy decoding */ 211/* Entropy decoding */
212struct jpeg_entropy_decoder { 212struct jpeg_entropy_decoder {
213 JMETHOD(void, start_pass, (j_decompress_ptr cinfo)); 213 JMETHOD(void, start_pass, (j_decompress_ptr cinfo));
214 JMETHOD(boolean, decode_mcu, (j_decompress_ptr cinfo, 214 JMETHOD(boolean, decode_mcu, (j_decompress_ptr cinfo,
215 JBLOCKROW *MCU_data)); 215 JBLOCKROW *MCU_data));
216}; 216};
217 217
218/* Inverse DCT (also performs dequantization) */ 218/* Inverse DCT (also performs dequantization) */
219typedef JMETHOD(void, inverse_DCT_method_ptr, 219typedef JMETHOD(void, inverse_DCT_method_ptr,
220 (j_decompress_ptr cinfo, jpeg_component_info * compptr, 220 (j_decompress_ptr cinfo, jpeg_component_info * compptr,
221 JCOEFPTR coef_block, 221 JCOEFPTR coef_block,
222 JSAMPARRAY output_buf, JDIMENSION output_col)); 222 JSAMPARRAY output_buf, JDIMENSION output_col));
223 223
224struct jpeg_inverse_dct { 224struct jpeg_inverse_dct {
225 JMETHOD(void, start_pass, (j_decompress_ptr cinfo)); 225 JMETHOD(void, start_pass, (j_decompress_ptr cinfo));
226 /* It is useful to allow each component to have a separate IDCT method. */ 226 /* It is useful to allow each component to have a separate IDCT method. */
227 inverse_DCT_method_ptr inverse_DCT[MAX_COMPONENTS]; 227 inverse_DCT_method_ptr inverse_DCT[MAX_COMPONENTS];
228}; 228};
229 229
230/* Upsampling (note that upsampler must also call color converter) */ 230/* Upsampling (note that upsampler must also call color converter) */
231struct jpeg_upsampler { 231struct jpeg_upsampler {
232 JMETHOD(void, start_pass, (j_decompress_ptr cinfo)); 232 JMETHOD(void, start_pass, (j_decompress_ptr cinfo));
233 JMETHOD(void, upsample, (j_decompress_ptr cinfo, 233 JMETHOD(void, upsample, (j_decompress_ptr cinfo,
234 JSAMPIMAGE input_buf, 234 JSAMPIMAGE input_buf,
235 JDIMENSION *in_row_group_ctr, 235 JDIMENSION *in_row_group_ctr,
236 JDIMENSION in_row_groups_avail, 236 JDIMENSION in_row_groups_avail,
237 JSAMPARRAY output_buf, 237 JSAMPARRAY output_buf,
238 JDIMENSION *out_row_ctr, 238 JDIMENSION *out_row_ctr,
239 JDIMENSION out_rows_avail)); 239 JDIMENSION out_rows_avail));
240 240
241 boolean need_context_rows; /* TRUE if need rows above & below */ 241 boolean need_context_rows; /* TRUE if need rows above & below */
242}; 242};
243 243
244/* Colorspace conversion */ 244/* Colorspace conversion */
245struct jpeg_color_deconverter { 245struct jpeg_color_deconverter {
246 JMETHOD(void, start_pass, (j_decompress_ptr cinfo)); 246 JMETHOD(void, start_pass, (j_decompress_ptr cinfo));
247 JMETHOD(void, color_convert, (j_decompress_ptr cinfo, 247 JMETHOD(void, color_convert, (j_decompress_ptr cinfo,
248 JSAMPIMAGE input_buf, JDIMENSION input_row, 248 JSAMPIMAGE input_buf, JDIMENSION input_row,
249 JSAMPARRAY output_buf, int num_rows)); 249 JSAMPARRAY output_buf, int num_rows));
250}; 250};
251 251
252/* Color quantization or color precision reduction */ 252/* Color quantization or color precision reduction */
253struct jpeg_color_quantizer { 253struct jpeg_color_quantizer {
254 JMETHOD(void, start_pass, (j_decompress_ptr cinfo, boolean is_pre_scan)); 254 JMETHOD(void, start_pass, (j_decompress_ptr cinfo, boolean is_pre_scan));
255 JMETHOD(void, color_quantize, (j_decompress_ptr cinfo, 255 JMETHOD(void, color_quantize, (j_decompress_ptr cinfo,
256 JSAMPARRAY input_buf, JSAMPARRAY output_buf, 256 JSAMPARRAY input_buf, JSAMPARRAY output_buf,
257 int num_rows)); 257 int num_rows));
258 JMETHOD(void, finish_pass, (j_decompress_ptr cinfo)); 258 JMETHOD(void, finish_pass, (j_decompress_ptr cinfo));
259 JMETHOD(void, new_color_map, (j_decompress_ptr cinfo)); 259 JMETHOD(void, new_color_map, (j_decompress_ptr cinfo));
260}; 260};
261 261
262 262
263/* Miscellaneous useful macros */ 263/* Miscellaneous useful macros */
264 264
265#undef MAX 265#undef MAX
266#define MAX(a,b) ((a) > (b) ? (a) : (b)) 266#define MAX(a,b) ((a) > (b) ? (a) : (b))
267#undef MIN 267#undef MIN
268#define MIN(a,b) ((a) < (b) ? (a) : (b)) 268#define MIN(a,b) ((a) < (b) ? (a) : (b))
269 269
270 270
271/* We assume that right shift corresponds to signed division by 2 with 271/* We assume that right shift corresponds to signed division by 2 with
272 * rounding towards minus infinity. This is correct for typical "arithmetic 272 * rounding towards minus infinity. This is correct for typical "arithmetic
273 * shift" instructions that shift in copies of the sign bit. But some 273 * shift" instructions that shift in copies of the sign bit. But some
274 * C compilers implement >> with an unsigned shift. For these machines you 274 * C compilers implement >> with an unsigned shift. For these machines you
275 * must define RIGHT_SHIFT_IS_UNSIGNED. 275 * must define RIGHT_SHIFT_IS_UNSIGNED.
276 * RIGHT_SHIFT provides a proper signed right shift of an INT32 quantity. 276 * RIGHT_SHIFT provides a proper signed right shift of an INT32 quantity.
277 * It is only applied with constant shift counts. SHIFT_TEMPS must be 277 * It is only applied with constant shift counts. SHIFT_TEMPS must be
278 * included in the variables of any routine using RIGHT_SHIFT. 278 * included in the variables of any routine using RIGHT_SHIFT.
279 */ 279 */
280 280
281#ifdef RIGHT_SHIFT_IS_UNSIGNED 281#ifdef RIGHT_SHIFT_IS_UNSIGNED
282#define SHIFT_TEMPS INT32 shift_temp; 282#define SHIFT_TEMPS INT32 shift_temp;
283#define RIGHT_SHIFT(x,shft) \ 283#define RIGHT_SHIFT(x,shft) \
284 ((shift_temp = (x)) < 0 ? \ 284 ((shift_temp = (x)) < 0 ? \
285 (shift_temp >> (shft)) | ((~((INT32) 0)) << (32-(shft))) : \ 285 (shift_temp >> (shft)) | ((~((INT32) 0)) << (32-(shft))) : \
286 (shift_temp >> (shft))) 286 (shift_temp >> (shft)))
287#else 287#else
288#define SHIFT_TEMPS 288#define SHIFT_TEMPS
289#define RIGHT_SHIFT(x,shft) ((x) >> (shft)) 289#define RIGHT_SHIFT(x,shft) ((x) >> (shft))
290#endif 290#endif
291 291
292 292
293/* Short forms of external names for systems with brain-damaged linkers. */ 293/* Short forms of external names for systems with brain-damaged linkers. */
294 294
295#ifdef NEED_SHORT_EXTERNAL_NAMES 295#ifdef NEED_SHORT_EXTERNAL_NAMES
296#define jinit_compress_master jICompress 296#define jinit_compress_master jICompress
297#define jinit_c_master_control jICMaster 297#define jinit_c_master_control jICMaster
298#define jinit_c_main_controller jICMainC 298#define jinit_c_main_controller jICMainC
299#define jinit_c_prep_controller jICPrepC 299#define jinit_c_prep_controller jICPrepC
300#define jinit_c_coef_controller jICCoefC 300#define jinit_c_coef_controller jICCoefC
301#define jinit_color_converter jICColor 301#define jinit_color_converter jICColor
302#define jinit_downsampler jIDownsampler 302#define jinit_downsampler jIDownsampler
303#define jinit_forward_dct jIFDCT 303#define jinit_forward_dct jIFDCT
304#define jinit_huff_encoder jIHEncoder 304#define jinit_huff_encoder jIHEncoder
305#define jinit_arith_encoder jIAEncoder 305#define jinit_arith_encoder jIAEncoder
306#define jinit_marker_writer jIMWriter 306#define jinit_marker_writer jIMWriter
307#define jinit_master_decompress jIDMaster 307#define jinit_master_decompress jIDMaster
308#define jinit_d_main_controller jIDMainC 308#define jinit_d_main_controller jIDMainC
309#define jinit_d_coef_controller jIDCoefC 309#define jinit_d_coef_controller jIDCoefC
310#define jinit_d_post_controller jIDPostC 310#define jinit_d_post_controller jIDPostC
311#define jinit_input_controller jIInCtlr 311#define jinit_input_controller jIInCtlr
312#define jinit_marker_reader jIMReader 312#define jinit_marker_reader jIMReader
313#define jinit_huff_decoder jIHDecoder 313#define jinit_huff_decoder jIHDecoder
314#define jinit_arith_decoder jIADecoder 314#define jinit_arith_decoder jIADecoder
315#define jinit_inverse_dct jIIDCT 315#define jinit_inverse_dct jIIDCT
316#define jinit_upsampler jIUpsampler 316#define jinit_upsampler jIUpsampler
317#define jinit_color_deconverter jIDColor 317#define jinit_color_deconverter jIDColor
318#define jinit_1pass_quantizer jI1Quant 318#define jinit_1pass_quantizer jI1Quant
319#define jinit_2pass_quantizer jI2Quant 319#define jinit_2pass_quantizer jI2Quant
320#define jinit_merged_upsampler jIMUpsampler 320#define jinit_merged_upsampler jIMUpsampler
321#define jinit_memory_mgr jIMemMgr 321#define jinit_memory_mgr jIMemMgr
322#define jdiv_round_up jDivRound 322#define jdiv_round_up jDivRound
323#define jround_up jRound 323#define jround_up jRound
324#define jzero_far jZeroFar 324#define jzero_far jZeroFar
325#define jcopy_sample_rows jCopySamples 325#define jcopy_sample_rows jCopySamples
326#define jcopy_block_row jCopyBlocks 326#define jcopy_block_row jCopyBlocks
327#define jpeg_zigzag_order jZIGTable 327#define jpeg_zigzag_order jZIGTable
328#define jpeg_natural_order jZAGTable 328#define jpeg_natural_order jZAGTable
329#define jpeg_natural_order7 jZAG7Table 329#define jpeg_natural_order7 jZAG7Table
330#define jpeg_natural_order6 jZAG6Table 330#define jpeg_natural_order6 jZAG6Table
331#define jpeg_natural_order5 jZAG5Table 331#define jpeg_natural_order5 jZAG5Table
332#define jpeg_natural_order4 jZAG4Table 332#define jpeg_natural_order4 jZAG4Table
333#define jpeg_natural_order3 jZAG3Table 333#define jpeg_natural_order3 jZAG3Table
334#define jpeg_natural_order2 jZAG2Table 334#define jpeg_natural_order2 jZAG2Table
335#define jpeg_aritab jAriTab 335#define jpeg_aritab jAriTab
336#endif /* NEED_SHORT_EXTERNAL_NAMES */ 336#endif /* NEED_SHORT_EXTERNAL_NAMES */
337 337
338 338
339/* On normal machines we can apply MEMCOPY() and MEMZERO() to sample arrays 339/* On normal machines we can apply MEMCOPY() and MEMZERO() to sample arrays
340 * and coefficient-block arrays. This won't work on 80x86 because the arrays 340 * and coefficient-block arrays. This won't work on 80x86 because the arrays
341 * are FAR and we're assuming a small-pointer memory model. However, some 341 * are FAR and we're assuming a small-pointer memory model. However, some
342 * DOS compilers provide far-pointer versions of memcpy() and memset() even 342 * DOS compilers provide far-pointer versions of memcpy() and memset() even
343 * in the small-model libraries. These will be used if USE_FMEM is defined. 343 * in the small-model libraries. These will be used if USE_FMEM is defined.
344 * Otherwise, the routines in jutils.c do it the hard way. 344 * Otherwise, the routines in jutils.c do it the hard way.
345 */ 345 */
346 346
347#ifndef NEED_FAR_POINTERS /* normal case, same as regular macro */ 347#ifndef NEED_FAR_POINTERS /* normal case, same as regular macro */
348#define FMEMZERO(target,size) MEMZERO(target,size) 348#define FMEMZERO(target,size) MEMZERO(target,size)
349#else /* 80x86 case */ 349#else /* 80x86 case */
350#ifdef USE_FMEM 350#ifdef USE_FMEM
351#define FMEMZERO(target,size) _fmemset((void FAR *)(target), 0, (size_t)(size)) 351#define FMEMZERO(target,size) _fmemset((void FAR *)(target), 0, (size_t)(size))
352#else 352#else
353EXTERN(void) jzero_far JPP((void FAR * target, size_t bytestozero)); 353EXTERN(void) jzero_far JPP((void FAR * target, size_t bytestozero));
354#define FMEMZERO(target,size) jzero_far(target, size) 354#define FMEMZERO(target,size) jzero_far(target, size)
355#endif 355#endif
356#endif 356#endif
357 357
358 358
359/* Compression module initialization routines */ 359/* Compression module initialization routines */
360EXTERN(void) jinit_compress_master JPP((j_compress_ptr cinfo)); 360EXTERN(void) jinit_compress_master JPP((j_compress_ptr cinfo));
361EXTERN(void) jinit_c_master_control JPP((j_compress_ptr cinfo, 361EXTERN(void) jinit_c_master_control JPP((j_compress_ptr cinfo,
362 boolean transcode_only)); 362 boolean transcode_only));
363EXTERN(void) jinit_c_main_controller JPP((j_compress_ptr cinfo, 363EXTERN(void) jinit_c_main_controller JPP((j_compress_ptr cinfo,
364 boolean need_full_buffer)); 364 boolean need_full_buffer));
365EXTERN(void) jinit_c_prep_controller JPP((j_compress_ptr cinfo, 365EXTERN(void) jinit_c_prep_controller JPP((j_compress_ptr cinfo,
366 boolean need_full_buffer)); 366 boolean need_full_buffer));
367EXTERN(void) jinit_c_coef_controller JPP((j_compress_ptr cinfo, 367EXTERN(void) jinit_c_coef_controller JPP((j_compress_ptr cinfo,
368 boolean need_full_buffer)); 368 boolean need_full_buffer));
369EXTERN(void) jinit_color_converter JPP((j_compress_ptr cinfo)); 369EXTERN(void) jinit_color_converter JPP((j_compress_ptr cinfo));
370EXTERN(void) jinit_downsampler JPP((j_compress_ptr cinfo)); 370EXTERN(void) jinit_downsampler JPP((j_compress_ptr cinfo));
371EXTERN(void) jinit_forward_dct JPP((j_compress_ptr cinfo)); 371EXTERN(void) jinit_forward_dct JPP((j_compress_ptr cinfo));
372EXTERN(void) jinit_huff_encoder JPP((j_compress_ptr cinfo)); 372EXTERN(void) jinit_huff_encoder JPP((j_compress_ptr cinfo));
373EXTERN(void) jinit_arith_encoder JPP((j_compress_ptr cinfo)); 373EXTERN(void) jinit_arith_encoder JPP((j_compress_ptr cinfo));
374EXTERN(void) jinit_marker_writer JPP((j_compress_ptr cinfo)); 374EXTERN(void) jinit_marker_writer JPP((j_compress_ptr cinfo));
375/* Decompression module initialization routines */ 375/* Decompression module initialization routines */
376EXTERN(void) jinit_master_decompress JPP((j_decompress_ptr cinfo)); 376EXTERN(void) jinit_master_decompress JPP((j_decompress_ptr cinfo));
377EXTERN(void) jinit_d_main_controller JPP((j_decompress_ptr cinfo, 377EXTERN(void) jinit_d_main_controller JPP((j_decompress_ptr cinfo,
378 boolean need_full_buffer)); 378 boolean need_full_buffer));
379EXTERN(void) jinit_d_coef_controller JPP((j_decompress_ptr cinfo, 379EXTERN(void) jinit_d_coef_controller JPP((j_decompress_ptr cinfo,
380 boolean need_full_buffer)); 380 boolean need_full_buffer));
381EXTERN(void) jinit_d_post_controller JPP((j_decompress_ptr cinfo, 381EXTERN(void) jinit_d_post_controller JPP((j_decompress_ptr cinfo,
382 boolean need_full_buffer)); 382 boolean need_full_buffer));
383EXTERN(void) jinit_input_controller JPP((j_decompress_ptr cinfo)); 383EXTERN(void) jinit_input_controller JPP((j_decompress_ptr cinfo));
384EXTERN(void) jinit_marker_reader JPP((j_decompress_ptr cinfo)); 384EXTERN(void) jinit_marker_reader JPP((j_decompress_ptr cinfo));
385EXTERN(void) jinit_huff_decoder JPP((j_decompress_ptr cinfo)); 385EXTERN(void) jinit_huff_decoder JPP((j_decompress_ptr cinfo));
386EXTERN(void) jinit_arith_decoder JPP((j_decompress_ptr cinfo)); 386EXTERN(void) jinit_arith_decoder JPP((j_decompress_ptr cinfo));
387EXTERN(void) jinit_inverse_dct JPP((j_decompress_ptr cinfo)); 387EXTERN(void) jinit_inverse_dct JPP((j_decompress_ptr cinfo));
388EXTERN(void) jinit_upsampler JPP((j_decompress_ptr cinfo)); 388EXTERN(void) jinit_upsampler JPP((j_decompress_ptr cinfo));
389EXTERN(void) jinit_color_deconverter JPP((j_decompress_ptr cinfo)); 389EXTERN(void) jinit_color_deconverter JPP((j_decompress_ptr cinfo));
390EXTERN(void) jinit_1pass_quantizer JPP((j_decompress_ptr cinfo)); 390EXTERN(void) jinit_1pass_quantizer JPP((j_decompress_ptr cinfo));
391EXTERN(void) jinit_2pass_quantizer JPP((j_decompress_ptr cinfo)); 391EXTERN(void) jinit_2pass_quantizer JPP((j_decompress_ptr cinfo));
392EXTERN(void) jinit_merged_upsampler JPP((j_decompress_ptr cinfo)); 392EXTERN(void) jinit_merged_upsampler JPP((j_decompress_ptr cinfo));
393/* Memory manager initialization */ 393/* Memory manager initialization */
394EXTERN(void) jinit_memory_mgr JPP((j_common_ptr cinfo)); 394EXTERN(void) jinit_memory_mgr JPP((j_common_ptr cinfo));
395 395
396/* Utility routines in jutils.c */ 396/* Utility routines in jutils.c */
397EXTERN(long) jdiv_round_up JPP((long a, long b)); 397EXTERN(long) jdiv_round_up JPP((long a, long b));
398EXTERN(long) jround_up JPP((long a, long b)); 398EXTERN(long) jround_up JPP((long a, long b));
399EXTERN(void) jcopy_sample_rows JPP((JSAMPARRAY input_array, int source_row, 399EXTERN(void) jcopy_sample_rows JPP((JSAMPARRAY input_array, int source_row,
400 JSAMPARRAY output_array, int dest_row, 400 JSAMPARRAY output_array, int dest_row,
401 int num_rows, JDIMENSION num_cols)); 401 int num_rows, JDIMENSION num_cols));
402EXTERN(void) jcopy_block_row JPP((JBLOCKROW input_row, JBLOCKROW output_row, 402EXTERN(void) jcopy_block_row JPP((JBLOCKROW input_row, JBLOCKROW output_row,
403 JDIMENSION num_blocks)); 403 JDIMENSION num_blocks));
404/* Constant tables in jutils.c */ 404/* Constant tables in jutils.c */
405#if 0 /* This table is not actually needed in v6a */ 405#if 0 /* This table is not actually needed in v6a */
406extern const int jpeg_zigzag_order[]; /* natural coef order to zigzag order */ 406extern const int jpeg_zigzag_order[]; /* natural coef order to zigzag order */
407#endif 407#endif
408extern const int jpeg_natural_order[]; /* zigzag coef order to natural order */ 408extern const int jpeg_natural_order[]; /* zigzag coef order to natural order */
409extern const int jpeg_natural_order7[]; /* zz to natural order for 7x7 block */ 409extern const int jpeg_natural_order7[]; /* zz to natural order for 7x7 block */
410extern const int jpeg_natural_order6[]; /* zz to natural order for 6x6 block */ 410extern const int jpeg_natural_order6[]; /* zz to natural order for 6x6 block */
411extern const int jpeg_natural_order5[]; /* zz to natural order for 5x5 block */ 411extern const int jpeg_natural_order5[]; /* zz to natural order for 5x5 block */
412extern const int jpeg_natural_order4[]; /* zz to natural order for 4x4 block */ 412extern const int jpeg_natural_order4[]; /* zz to natural order for 4x4 block */
413extern const int jpeg_natural_order3[]; /* zz to natural order for 3x3 block */ 413extern const int jpeg_natural_order3[]; /* zz to natural order for 3x3 block */
414extern const int jpeg_natural_order2[]; /* zz to natural order for 2x2 block */ 414extern const int jpeg_natural_order2[]; /* zz to natural order for 2x2 block */
415 415
416/* Arithmetic coding probability estimation tables in jaricom.c */ 416/* Arithmetic coding probability estimation tables in jaricom.c */
417extern const INT32 jpeg_aritab[]; 417extern const INT32 jpeg_aritab[];
418 418
419/* Suppress undefined-structure complaints if necessary. */ 419/* Suppress undefined-structure complaints if necessary. */
420 420
421#ifdef INCOMPLETE_TYPES_BROKEN 421#ifdef INCOMPLETE_TYPES_BROKEN
422#ifndef AM_MEMORY_MANAGER /* only jmemmgr.c defines these */ 422#ifndef AM_MEMORY_MANAGER /* only jmemmgr.c defines these */
423struct jvirt_sarray_control { long dummy; }; 423struct jvirt_sarray_control { long dummy; };
424struct jvirt_barray_control { long dummy; }; 424struct jvirt_barray_control { long dummy; };
425#endif 425#endif
426#endif /* INCOMPLETE_TYPES_BROKEN */ 426#endif /* INCOMPLETE_TYPES_BROKEN */
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