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| 1 /* | 1 /* |
| 2 * cjpeg.c | 2 * cjpeg.c |
| 3 * | 3 * |
| 4 * Copyright (C) 1991-1998, Thomas G. Lane. | 4 * Copyright (C) 1991-1998, Thomas G. Lane. |
| 5 * Modified 2003-2008 by Guido Vollbeding. | 5 * Modified 2003-2008 by Guido Vollbeding. |
| 6 * Copyright (C) 2010, D. R. Commander. | 6 * Copyright (C) 2010, D. R. Commander. |
| 7 * This file is part of the Independent JPEG Group's software. | 7 * This file is part of the Independent JPEG Group's software. |
| 8 * For conditions of distribution and use, see the accompanying README file. | 8 * For conditions of distribution and use, see the accompanying README file. |
| 9 * | 9 * |
| 10 * This file contains a command-line user interface for the JPEG compressor. | 10 * This file contains a command-line user interface for the JPEG compressor. |
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| 157 #ifdef ENTROPY_OPT_SUPPORTED | 157 #ifdef ENTROPY_OPT_SUPPORTED |
| 158 fprintf(stderr, " -optimize Optimize Huffman table (smaller file, but sl
ow compression)\n"); | 158 fprintf(stderr, " -optimize Optimize Huffman table (smaller file, but sl
ow compression)\n"); |
| 159 #endif | 159 #endif |
| 160 #ifdef C_PROGRESSIVE_SUPPORTED | 160 #ifdef C_PROGRESSIVE_SUPPORTED |
| 161 fprintf(stderr, " -progressive Create progressive JPEG file\n"); | 161 fprintf(stderr, " -progressive Create progressive JPEG file\n"); |
| 162 #endif | 162 #endif |
| 163 #ifdef TARGA_SUPPORTED | 163 #ifdef TARGA_SUPPORTED |
| 164 fprintf(stderr, " -targa Input file is Targa format (usually not need
ed)\n"); | 164 fprintf(stderr, " -targa Input file is Targa format (usually not need
ed)\n"); |
| 165 #endif | 165 #endif |
| 166 fprintf(stderr, "Switches for advanced users:\n"); | 166 fprintf(stderr, "Switches for advanced users:\n"); |
| 167 #ifdef C_ARITH_CODING_SUPPORTED |
| 168 fprintf(stderr, " -arithmetic Use arithmetic coding\n"); |
| 169 #endif |
| 167 #ifdef DCT_ISLOW_SUPPORTED | 170 #ifdef DCT_ISLOW_SUPPORTED |
| 168 fprintf(stderr, " -dct int Use integer DCT method%s\n", | 171 fprintf(stderr, " -dct int Use integer DCT method%s\n", |
| 169 (JDCT_DEFAULT == JDCT_ISLOW ? " (default)" : "")); | 172 (JDCT_DEFAULT == JDCT_ISLOW ? " (default)" : "")); |
| 170 #endif | 173 #endif |
| 171 #ifdef DCT_IFAST_SUPPORTED | 174 #ifdef DCT_IFAST_SUPPORTED |
| 172 fprintf(stderr, " -dct fast Use fast integer DCT (less accurate)%s\n", | 175 fprintf(stderr, " -dct fast Use fast integer DCT (less accurate)%s\n", |
| 173 (JDCT_DEFAULT == JDCT_IFAST ? " (default)" : "")); | 176 (JDCT_DEFAULT == JDCT_IFAST ? " (default)" : "")); |
| 174 #endif | 177 #endif |
| 175 #ifdef DCT_FLOAT_SUPPORTED | 178 #ifdef DCT_FLOAT_SUPPORTED |
| 176 fprintf(stderr, " -dct float Use floating-point DCT method%s\n", | 179 fprintf(stderr, " -dct float Use floating-point DCT method%s\n", |
| 177 (JDCT_DEFAULT == JDCT_FLOAT ? " (default)" : "")); | 180 (JDCT_DEFAULT == JDCT_FLOAT ? " (default)" : "")); |
| 178 #endif | 181 #endif |
| 179 fprintf(stderr, " -restart N Set restart interval in rows, or in blocks w
ith B\n"); | 182 fprintf(stderr, " -restart N Set restart interval in rows, or in blocks w
ith B\n"); |
| 180 #ifdef INPUT_SMOOTHING_SUPPORTED | 183 #ifdef INPUT_SMOOTHING_SUPPORTED |
| 181 fprintf(stderr, " -smooth N Smooth dithered input (N=1..100 is strength)
\n"); | 184 fprintf(stderr, " -smooth N Smooth dithered input (N=1..100 is strength)
\n"); |
| 182 #endif | 185 #endif |
| 183 fprintf(stderr, " -maxmemory N Maximum memory to use (in kbytes)\n"); | 186 fprintf(stderr, " -maxmemory N Maximum memory to use (in kbytes)\n"); |
| 184 fprintf(stderr, " -outfile name Specify name for output file\n"); | 187 fprintf(stderr, " -outfile name Specify name for output file\n"); |
| 185 fprintf(stderr, " -verbose or -debug Emit debug output\n"); | 188 fprintf(stderr, " -verbose or -debug Emit debug output\n"); |
| 186 fprintf(stderr, "Switches for wizards:\n"); | 189 fprintf(stderr, "Switches for wizards:\n"); |
| 187 #ifdef C_ARITH_CODING_SUPPORTED | |
| 188 fprintf(stderr, " -arithmetic Use arithmetic coding\n"); | |
| 189 #endif | |
| 190 fprintf(stderr, " -baseline Force baseline quantization tables\n"); | 190 fprintf(stderr, " -baseline Force baseline quantization tables\n"); |
| 191 fprintf(stderr, " -qtables file Use quantization tables given in file\n"); | 191 fprintf(stderr, " -qtables file Use quantization tables given in file\n"); |
| 192 fprintf(stderr, " -qslots N[,...] Set component quantization tables\n"); | 192 fprintf(stderr, " -qslots N[,...] Set component quantization tables\n"); |
| 193 fprintf(stderr, " -sample HxV[,...] Set component sampling factors\n"); | 193 fprintf(stderr, " -sample HxV[,...] Set component sampling factors\n"); |
| 194 #ifdef C_MULTISCAN_FILES_SUPPORTED | 194 #ifdef C_MULTISCAN_FILES_SUPPORTED |
| 195 fprintf(stderr, " -scans file Create multi-scan JPEG per script file\n"); | 195 fprintf(stderr, " -scans file Create multi-scan JPEG per script file\n"); |
| 196 #endif | 196 #endif |
| 197 exit(EXIT_FAILURE); | 197 exit(EXIT_FAILURE); |
| 198 } | 198 } |
| 199 | 199 |
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| 270 usage(); | 270 usage(); |
| 271 | 271 |
| 272 } else if (keymatch(arg, "debug", 1) || keymatch(arg, "verbose", 1)) { | 272 } else if (keymatch(arg, "debug", 1) || keymatch(arg, "verbose", 1)) { |
| 273 /* Enable debug printouts. */ | 273 /* Enable debug printouts. */ |
| 274 /* On first -d, print version identification */ | 274 /* On first -d, print version identification */ |
| 275 static boolean printed_version = FALSE; | 275 static boolean printed_version = FALSE; |
| 276 | 276 |
| 277 if (! printed_version) { | 277 if (! printed_version) { |
| 278 fprintf(stderr, "%s version %s (build %s)\n", | 278 fprintf(stderr, "%s version %s (build %s)\n", |
| 279 PACKAGE_NAME, VERSION, BUILD); | 279 PACKAGE_NAME, VERSION, BUILD); |
| 280 » fprintf(stderr, "%s\n\n", LJTCOPYRIGHT); | 280 » fprintf(stderr, "%s\n\n", JCOPYRIGHT); |
| 281 » fprintf(stderr, "Based on Independent JPEG Group's libjpeg, version %s\n
%s\n\n", | 281 » fprintf(stderr, "Emulating The Independent JPEG Group's libjpeg, version
%s\n\n", |
| 282 » » JVERSION, JCOPYRIGHT); | 282 » » JVERSION); |
| 283 printed_version = TRUE; | 283 printed_version = TRUE; |
| 284 } | 284 } |
| 285 cinfo->err->trace_level++; | 285 cinfo->err->trace_level++; |
| 286 | 286 |
| 287 } else if (keymatch(arg, "grayscale", 2) || keymatch(arg, "greyscale",2)) { | 287 } else if (keymatch(arg, "grayscale", 2) || keymatch(arg, "greyscale",2)) { |
| 288 /* Force a monochrome JPEG file to be generated. */ | 288 /* Force a monochrome JPEG file to be generated. */ |
| 289 jpeg_set_colorspace(cinfo, JCS_GRAYSCALE); | 289 jpeg_set_colorspace(cinfo, JCS_GRAYSCALE); |
| 290 | 290 |
| 291 } else if (keymatch(arg, "maxmemory", 3)) { | 291 } else if (keymatch(arg, "maxmemory", 3)) { |
| 292 /* Maximum memory in Kb (or Mb with 'm'). */ | 292 /* Maximum memory in Kb (or Mb with 'm'). */ |
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| 596 fclose(output_file); | 596 fclose(output_file); |
| 597 | 597 |
| 598 #ifdef PROGRESS_REPORT | 598 #ifdef PROGRESS_REPORT |
| 599 end_progress_monitor((j_common_ptr) &cinfo); | 599 end_progress_monitor((j_common_ptr) &cinfo); |
| 600 #endif | 600 #endif |
| 601 | 601 |
| 602 /* All done. */ | 602 /* All done. */ |
| 603 exit(jerr.num_warnings ? EXIT_WARNING : EXIT_SUCCESS); | 603 exit(jerr.num_warnings ? EXIT_WARNING : EXIT_SUCCESS); |
| 604 return 0; /* suppress no-return-value warnings */ | 604 return 0; /* suppress no-return-value warnings */ |
| 605 } | 605 } |
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