Philip P. Moltmann | 25aee82 | 2016-12-15 12:16:46 -0800 | [diff] [blame] | 1 | /* |
| 2 | * CUPS raster to PWG raster format filter for CUPS. |
| 3 | * |
Haibo Huang | 265f757 | 2019-12-13 16:47:52 -0800 | [diff] [blame^] | 4 | * Copyright © 2011, 2014-2017 Apple Inc. |
Philip P. Moltmann | 25aee82 | 2016-12-15 12:16:46 -0800 | [diff] [blame] | 5 | * |
Haibo Huang | 265f757 | 2019-12-13 16:47:52 -0800 | [diff] [blame^] | 6 | * Licensed under Apache License v2.0. See the file "LICENSE" for more |
| 7 | * information. |
Philip P. Moltmann | 25aee82 | 2016-12-15 12:16:46 -0800 | [diff] [blame] | 8 | */ |
| 9 | |
| 10 | /* |
| 11 | * Include necessary headers... |
| 12 | */ |
| 13 | |
| 14 | #include <cups/cups-private.h> |
| 15 | #include <cups/ppd-private.h> |
| 16 | #include <cups/raster.h> |
| 17 | #include <unistd.h> |
| 18 | #include <fcntl.h> |
| 19 | |
| 20 | |
| 21 | /* |
| 22 | * 'main()' - Main entry for filter. |
| 23 | */ |
| 24 | |
| 25 | int /* O - Exit status */ |
| 26 | main(int argc, /* I - Number of command-line args */ |
| 27 | char *argv[]) /* I - Command-line arguments */ |
| 28 | { |
Philip P. Moltmann | 2447373 | 2017-05-11 09:37:47 -0700 | [diff] [blame] | 29 | const char *final_content_type; |
| 30 | /* FINAL_CONTENT_TYPE env var */ |
Philip P. Moltmann | 25aee82 | 2016-12-15 12:16:46 -0800 | [diff] [blame] | 31 | int fd; /* Raster file */ |
| 32 | cups_raster_t *inras, /* Input raster stream */ |
| 33 | *outras; /* Output raster stream */ |
| 34 | cups_page_header2_t inheader, /* Input raster page header */ |
| 35 | outheader; /* Output raster page header */ |
| 36 | unsigned y; /* Current line */ |
| 37 | unsigned char *line; /* Line buffer */ |
| 38 | unsigned page = 0, /* Current page */ |
| 39 | page_width, /* Actual page width */ |
| 40 | page_height, /* Actual page height */ |
| 41 | page_top, /* Top margin */ |
| 42 | page_bottom, /* Bottom margin */ |
| 43 | page_left, /* Left margin */ |
| 44 | linesize, /* Bytes per line */ |
| 45 | lineoffset; /* Offset into line */ |
| 46 | unsigned char white; /* White pixel */ |
| 47 | ppd_file_t *ppd; /* PPD file */ |
Philip P. Moltmann | 2447373 | 2017-05-11 09:37:47 -0700 | [diff] [blame] | 48 | ppd_attr_t *back; /* cupsBackSide attribute */ |
Philip P. Moltmann | 25aee82 | 2016-12-15 12:16:46 -0800 | [diff] [blame] | 49 | _ppd_cache_t *cache; /* PPD cache */ |
| 50 | pwg_size_t *pwg_size; /* PWG media size */ |
| 51 | pwg_media_t *pwg_media; /* PWG media name */ |
| 52 | int num_options; /* Number of options */ |
| 53 | cups_option_t *options = NULL;/* Options */ |
| 54 | const char *val; /* Option value */ |
| 55 | |
| 56 | |
| 57 | if (argc < 6 || argc > 7) |
| 58 | { |
| 59 | puts("Usage: rastertopwg job user title copies options [filename]"); |
| 60 | return (1); |
| 61 | } |
| 62 | else if (argc == 7) |
| 63 | { |
| 64 | if ((fd = open(argv[6], O_RDONLY)) < 0) |
| 65 | { |
| 66 | perror("ERROR: Unable to open print file"); |
| 67 | return (1); |
| 68 | } |
| 69 | } |
| 70 | else |
| 71 | fd = 0; |
| 72 | |
Philip P. Moltmann | 2447373 | 2017-05-11 09:37:47 -0700 | [diff] [blame] | 73 | if ((final_content_type = getenv("FINAL_CONTENT_TYPE")) == NULL) |
| 74 | final_content_type = "image/pwg-raster"; |
| 75 | |
Philip P. Moltmann | 25aee82 | 2016-12-15 12:16:46 -0800 | [diff] [blame] | 76 | inras = cupsRasterOpen(fd, CUPS_RASTER_READ); |
Philip P. Moltmann | 2447373 | 2017-05-11 09:37:47 -0700 | [diff] [blame] | 77 | outras = cupsRasterOpen(1, !strcmp(final_content_type, "image/pwg-raster") ? CUPS_RASTER_WRITE_PWG : CUPS_RASTER_WRITE_APPLE); |
Philip P. Moltmann | 25aee82 | 2016-12-15 12:16:46 -0800 | [diff] [blame] | 78 | |
| 79 | ppd = ppdOpenFile(getenv("PPD")); |
| 80 | back = ppdFindAttr(ppd, "cupsBackSide", NULL); |
| 81 | |
| 82 | num_options = cupsParseOptions(argv[5], 0, &options); |
| 83 | |
| 84 | ppdMarkDefaults(ppd); |
| 85 | cupsMarkOptions(ppd, num_options, options); |
| 86 | |
| 87 | cache = ppd ? ppd->cache : NULL; |
| 88 | |
| 89 | while (cupsRasterReadHeader2(inras, &inheader)) |
| 90 | { |
| 91 | /* |
| 92 | * Show page device dictionary... |
| 93 | */ |
| 94 | |
| 95 | fprintf(stderr, "DEBUG: Duplex = %d\n", inheader.Duplex); |
| 96 | fprintf(stderr, "DEBUG: HWResolution = [ %d %d ]\n", inheader.HWResolution[0], inheader.HWResolution[1]); |
| 97 | fprintf(stderr, "DEBUG: ImagingBoundingBox = [ %d %d %d %d ]\n", inheader.ImagingBoundingBox[0], inheader.ImagingBoundingBox[1], inheader.ImagingBoundingBox[2], inheader.ImagingBoundingBox[3]); |
| 98 | fprintf(stderr, "DEBUG: Margins = [ %d %d ]\n", inheader.Margins[0], inheader.Margins[1]); |
| 99 | fprintf(stderr, "DEBUG: ManualFeed = %d\n", inheader.ManualFeed); |
| 100 | fprintf(stderr, "DEBUG: MediaPosition = %d\n", inheader.MediaPosition); |
| 101 | fprintf(stderr, "DEBUG: NumCopies = %d\n", inheader.NumCopies); |
| 102 | fprintf(stderr, "DEBUG: Orientation = %d\n", inheader.Orientation); |
| 103 | fprintf(stderr, "DEBUG: PageSize = [ %d %d ]\n", inheader.PageSize[0], inheader.PageSize[1]); |
| 104 | fprintf(stderr, "DEBUG: cupsWidth = %d\n", inheader.cupsWidth); |
| 105 | fprintf(stderr, "DEBUG: cupsHeight = %d\n", inheader.cupsHeight); |
| 106 | fprintf(stderr, "DEBUG: cupsMediaType = %d\n", inheader.cupsMediaType); |
| 107 | fprintf(stderr, "DEBUG: cupsBitsPerColor = %d\n", inheader.cupsBitsPerColor); |
| 108 | fprintf(stderr, "DEBUG: cupsBitsPerPixel = %d\n", inheader.cupsBitsPerPixel); |
| 109 | fprintf(stderr, "DEBUG: cupsBytesPerLine = %d\n", inheader.cupsBytesPerLine); |
| 110 | fprintf(stderr, "DEBUG: cupsColorOrder = %d\n", inheader.cupsColorOrder); |
| 111 | fprintf(stderr, "DEBUG: cupsColorSpace = %d\n", inheader.cupsColorSpace); |
| 112 | fprintf(stderr, "DEBUG: cupsCompression = %d\n", inheader.cupsCompression); |
| 113 | |
| 114 | /* |
| 115 | * Compute the real raster size... |
| 116 | */ |
| 117 | |
| 118 | page ++; |
| 119 | |
| 120 | fprintf(stderr, "PAGE: %d %d\n", page, inheader.NumCopies); |
| 121 | |
| 122 | page_width = (unsigned)(inheader.cupsPageSize[0] * inheader.HWResolution[0] / 72.0); |
| 123 | page_height = (unsigned)(inheader.cupsPageSize[1] * inheader.HWResolution[1] / 72.0); |
| 124 | page_left = (unsigned)(inheader.cupsImagingBBox[0] * inheader.HWResolution[0] / 72.0); |
| 125 | page_bottom = (unsigned)(inheader.cupsImagingBBox[1] * inheader.HWResolution[1] / 72.0); |
| 126 | page_top = page_height - page_bottom - inheader.cupsHeight; |
| 127 | linesize = (page_width * inheader.cupsBitsPerPixel + 7) / 8; |
| 128 | lineoffset = page_left * inheader.cupsBitsPerPixel / 8; /* Round down */ |
| 129 | |
| 130 | if (page_left > page_width || page_top > page_height || page_bottom > page_height) |
| 131 | { |
| 132 | _cupsLangPrintFilter(stderr, "ERROR", _("Unsupported raster data.")); |
| 133 | fprintf(stderr, "DEBUG: Bad bottom/left/top margin on page %d.\n", page); |
| 134 | return (1); |
| 135 | } |
| 136 | |
| 137 | switch (inheader.cupsColorSpace) |
| 138 | { |
| 139 | case CUPS_CSPACE_W : |
| 140 | case CUPS_CSPACE_RGB : |
| 141 | case CUPS_CSPACE_SW : |
| 142 | case CUPS_CSPACE_SRGB : |
| 143 | case CUPS_CSPACE_ADOBERGB : |
| 144 | white = 255; |
| 145 | break; |
| 146 | |
| 147 | case CUPS_CSPACE_K : |
| 148 | case CUPS_CSPACE_CMYK : |
| 149 | case CUPS_CSPACE_DEVICE1 : |
| 150 | case CUPS_CSPACE_DEVICE2 : |
| 151 | case CUPS_CSPACE_DEVICE3 : |
| 152 | case CUPS_CSPACE_DEVICE4 : |
| 153 | case CUPS_CSPACE_DEVICE5 : |
| 154 | case CUPS_CSPACE_DEVICE6 : |
| 155 | case CUPS_CSPACE_DEVICE7 : |
| 156 | case CUPS_CSPACE_DEVICE8 : |
| 157 | case CUPS_CSPACE_DEVICE9 : |
| 158 | case CUPS_CSPACE_DEVICEA : |
| 159 | case CUPS_CSPACE_DEVICEB : |
| 160 | case CUPS_CSPACE_DEVICEC : |
| 161 | case CUPS_CSPACE_DEVICED : |
| 162 | case CUPS_CSPACE_DEVICEE : |
| 163 | case CUPS_CSPACE_DEVICEF : |
| 164 | white = 0; |
| 165 | break; |
| 166 | |
| 167 | default : |
| 168 | _cupsLangPrintFilter(stderr, "ERROR", _("Unsupported raster data.")); |
| 169 | fprintf(stderr, "DEBUG: Unsupported cupsColorSpace %d on page %d.\n", |
| 170 | inheader.cupsColorSpace, page); |
| 171 | return (1); |
| 172 | } |
| 173 | |
| 174 | if (inheader.cupsColorOrder != CUPS_ORDER_CHUNKED) |
| 175 | { |
| 176 | _cupsLangPrintFilter(stderr, "ERROR", _("Unsupported raster data.")); |
| 177 | fprintf(stderr, "DEBUG: Unsupported cupsColorOrder %d on page %d.\n", |
| 178 | inheader.cupsColorOrder, page); |
| 179 | return (1); |
| 180 | } |
| 181 | |
| 182 | if (inheader.cupsBitsPerPixel != 1 && |
| 183 | inheader.cupsBitsPerColor != 8 && inheader.cupsBitsPerColor != 16) |
| 184 | { |
| 185 | _cupsLangPrintFilter(stderr, "ERROR", _("Unsupported raster data.")); |
| 186 | fprintf(stderr, "DEBUG: Unsupported cupsBitsPerColor %d on page %d.\n", |
| 187 | inheader.cupsBitsPerColor, page); |
| 188 | return (1); |
| 189 | } |
| 190 | |
| 191 | memcpy(&outheader, &inheader, sizeof(outheader)); |
| 192 | outheader.cupsWidth = page_width; |
| 193 | outheader.cupsHeight = page_height; |
| 194 | outheader.cupsBytesPerLine = linesize; |
| 195 | |
| 196 | outheader.cupsInteger[14] = 0; /* VendorIdentifier */ |
| 197 | outheader.cupsInteger[15] = 0; /* VendorLength */ |
| 198 | |
| 199 | if ((val = cupsGetOption("print-content-optimize", num_options, |
| 200 | options)) != NULL) |
| 201 | { |
| 202 | if (!strcmp(val, "automatic")) |
| 203 | strlcpy(outheader.OutputType, "Automatic", |
| 204 | sizeof(outheader.OutputType)); |
| 205 | else if (!strcmp(val, "graphics")) |
| 206 | strlcpy(outheader.OutputType, "Graphics", sizeof(outheader.OutputType)); |
| 207 | else if (!strcmp(val, "photo")) |
| 208 | strlcpy(outheader.OutputType, "Photo", sizeof(outheader.OutputType)); |
| 209 | else if (!strcmp(val, "text")) |
| 210 | strlcpy(outheader.OutputType, "Text", sizeof(outheader.OutputType)); |
| 211 | else if (!strcmp(val, "text-and-graphics")) |
| 212 | strlcpy(outheader.OutputType, "TextAndGraphics", |
| 213 | sizeof(outheader.OutputType)); |
| 214 | else |
| 215 | { |
| 216 | fputs("DEBUG: Unsupported print-content-optimize value.\n", stderr); |
| 217 | outheader.OutputType[0] = '\0'; |
| 218 | } |
| 219 | } |
| 220 | |
| 221 | if ((val = cupsGetOption("print-quality", num_options, options)) != NULL) |
| 222 | { |
| 223 | unsigned quality = (unsigned)atoi(val); /* print-quality value */ |
| 224 | |
| 225 | if (quality >= IPP_QUALITY_DRAFT && quality <= IPP_QUALITY_HIGH) |
| 226 | outheader.cupsInteger[8] = quality; |
| 227 | else |
| 228 | { |
| 229 | fprintf(stderr, "DEBUG: Unsupported print-quality %d.\n", quality); |
| 230 | outheader.cupsInteger[8] = 0; |
| 231 | } |
| 232 | } |
| 233 | |
| 234 | if ((val = cupsGetOption("print-rendering-intent", num_options, |
| 235 | options)) != NULL) |
| 236 | { |
| 237 | if (!strcmp(val, "absolute")) |
| 238 | strlcpy(outheader.cupsRenderingIntent, "Absolute", |
| 239 | sizeof(outheader.cupsRenderingIntent)); |
| 240 | else if (!strcmp(val, "automatic")) |
| 241 | strlcpy(outheader.cupsRenderingIntent, "Automatic", |
| 242 | sizeof(outheader.cupsRenderingIntent)); |
| 243 | else if (!strcmp(val, "perceptual")) |
| 244 | strlcpy(outheader.cupsRenderingIntent, "Perceptual", |
| 245 | sizeof(outheader.cupsRenderingIntent)); |
| 246 | else if (!strcmp(val, "relative")) |
| 247 | strlcpy(outheader.cupsRenderingIntent, "Relative", |
| 248 | sizeof(outheader.cupsRenderingIntent)); |
| 249 | else if (!strcmp(val, "relative-bpc")) |
| 250 | strlcpy(outheader.cupsRenderingIntent, "RelativeBpc", |
| 251 | sizeof(outheader.cupsRenderingIntent)); |
| 252 | else if (!strcmp(val, "saturation")) |
| 253 | strlcpy(outheader.cupsRenderingIntent, "Saturation", |
| 254 | sizeof(outheader.cupsRenderingIntent)); |
| 255 | else |
| 256 | { |
| 257 | fputs("DEBUG: Unsupported print-rendering-intent value.\n", stderr); |
| 258 | outheader.cupsRenderingIntent[0] = '\0'; |
| 259 | } |
| 260 | } |
| 261 | |
| 262 | if (inheader.cupsPageSizeName[0] && |
| 263 | (pwg_size = _ppdCacheGetSize(cache, inheader.cupsPageSizeName)) != NULL) |
| 264 | { |
| 265 | strlcpy(outheader.cupsPageSizeName, pwg_size->map.pwg, |
| 266 | sizeof(outheader.cupsPageSizeName)); |
| 267 | } |
| 268 | else |
| 269 | { |
| 270 | pwg_media = pwgMediaForSize((int)(2540.0 * inheader.cupsPageSize[0] / 72.0), |
| 271 | (int)(2540.0 * inheader.cupsPageSize[1] / 72.0)); |
| 272 | |
| 273 | if (pwg_media) |
| 274 | strlcpy(outheader.cupsPageSizeName, pwg_media->pwg, |
| 275 | sizeof(outheader.cupsPageSizeName)); |
| 276 | else |
| 277 | { |
| 278 | fprintf(stderr, "DEBUG: Unsupported PageSize %.2fx%.2f.\n", |
| 279 | inheader.cupsPageSize[0], inheader.cupsPageSize[1]); |
| 280 | outheader.cupsPageSizeName[0] = '\0'; |
| 281 | } |
| 282 | } |
| 283 | |
| 284 | if (inheader.Duplex && !(page & 1) && |
| 285 | back && _cups_strcasecmp(back->value, "Normal")) |
| 286 | { |
| 287 | if (_cups_strcasecmp(back->value, "Flipped")) |
| 288 | { |
| 289 | if (inheader.Tumble) |
| 290 | { |
| 291 | outheader.cupsInteger[1] = ~0U;/* CrossFeedTransform */ |
| 292 | outheader.cupsInteger[2] = 1; /* FeedTransform */ |
| 293 | |
| 294 | outheader.cupsInteger[3] = page_width - page_left - |
| 295 | inheader.cupsWidth; |
| 296 | /* ImageBoxLeft */ |
| 297 | outheader.cupsInteger[4] = page_top; |
| 298 | /* ImageBoxTop */ |
| 299 | outheader.cupsInteger[5] = page_width - page_left; |
| 300 | /* ImageBoxRight */ |
| 301 | outheader.cupsInteger[6] = page_height - page_bottom; |
| 302 | /* ImageBoxBottom */ |
| 303 | } |
| 304 | else |
| 305 | { |
| 306 | outheader.cupsInteger[1] = 1; /* CrossFeedTransform */ |
| 307 | outheader.cupsInteger[2] = ~0U;/* FeedTransform */ |
| 308 | |
| 309 | outheader.cupsInteger[3] = page_left; |
| 310 | /* ImageBoxLeft */ |
| 311 | outheader.cupsInteger[4] = page_bottom; |
| 312 | /* ImageBoxTop */ |
| 313 | outheader.cupsInteger[5] = page_left + inheader.cupsWidth; |
| 314 | /* ImageBoxRight */ |
| 315 | outheader.cupsInteger[6] = page_height - page_top; |
| 316 | /* ImageBoxBottom */ |
| 317 | } |
| 318 | } |
| 319 | else if (_cups_strcasecmp(back->value, "ManualTumble")) |
| 320 | { |
| 321 | if (inheader.Tumble) |
| 322 | { |
| 323 | outheader.cupsInteger[1] = ~0U;/* CrossFeedTransform */ |
| 324 | outheader.cupsInteger[2] = ~0U;/* FeedTransform */ |
| 325 | |
| 326 | outheader.cupsInteger[3] = page_width - page_left - |
| 327 | inheader.cupsWidth; |
| 328 | /* ImageBoxLeft */ |
| 329 | outheader.cupsInteger[4] = page_bottom; |
| 330 | /* ImageBoxTop */ |
| 331 | outheader.cupsInteger[5] = page_width - page_left; |
| 332 | /* ImageBoxRight */ |
| 333 | outheader.cupsInteger[6] = page_height - page_top; |
| 334 | /* ImageBoxBottom */ |
| 335 | } |
| 336 | else |
| 337 | { |
| 338 | outheader.cupsInteger[1] = 1; /* CrossFeedTransform */ |
| 339 | outheader.cupsInteger[2] = 1; /* FeedTransform */ |
| 340 | |
| 341 | outheader.cupsInteger[3] = page_left; |
| 342 | /* ImageBoxLeft */ |
| 343 | outheader.cupsInteger[4] = page_top; |
| 344 | /* ImageBoxTop */ |
| 345 | outheader.cupsInteger[5] = page_left + inheader.cupsWidth; |
| 346 | /* ImageBoxRight */ |
| 347 | outheader.cupsInteger[6] = page_height - page_bottom; |
| 348 | /* ImageBoxBottom */ |
| 349 | } |
| 350 | } |
| 351 | else if (_cups_strcasecmp(back->value, "Rotated")) |
| 352 | { |
| 353 | if (inheader.Tumble) |
| 354 | { |
| 355 | outheader.cupsInteger[1] = ~0U;/* CrossFeedTransform */ |
| 356 | outheader.cupsInteger[2] = ~0U;/* FeedTransform */ |
| 357 | |
| 358 | outheader.cupsInteger[3] = page_width - page_left - |
| 359 | inheader.cupsWidth; |
| 360 | /* ImageBoxLeft */ |
| 361 | outheader.cupsInteger[4] = page_bottom; |
| 362 | /* ImageBoxTop */ |
| 363 | outheader.cupsInteger[5] = page_width - page_left; |
| 364 | /* ImageBoxRight */ |
| 365 | outheader.cupsInteger[6] = page_height - page_top; |
| 366 | /* ImageBoxBottom */ |
| 367 | } |
| 368 | else |
| 369 | { |
| 370 | outheader.cupsInteger[1] = 1; /* CrossFeedTransform */ |
| 371 | outheader.cupsInteger[2] = 1; /* FeedTransform */ |
| 372 | |
| 373 | outheader.cupsInteger[3] = page_left; |
| 374 | /* ImageBoxLeft */ |
| 375 | outheader.cupsInteger[4] = page_top; |
| 376 | /* ImageBoxTop */ |
| 377 | outheader.cupsInteger[5] = page_left + inheader.cupsWidth; |
| 378 | /* ImageBoxRight */ |
| 379 | outheader.cupsInteger[6] = page_height - page_bottom; |
| 380 | /* ImageBoxBottom */ |
| 381 | } |
| 382 | } |
| 383 | else |
| 384 | { |
| 385 | /* |
| 386 | * Unsupported value... |
| 387 | */ |
| 388 | |
| 389 | fputs("DEBUG: Unsupported cupsBackSide value.\n", stderr); |
| 390 | |
| 391 | outheader.cupsInteger[1] = 1; /* CrossFeedTransform */ |
| 392 | outheader.cupsInteger[2] = 1; /* FeedTransform */ |
| 393 | |
| 394 | outheader.cupsInteger[3] = page_left; |
| 395 | /* ImageBoxLeft */ |
| 396 | outheader.cupsInteger[4] = page_top; |
| 397 | /* ImageBoxTop */ |
| 398 | outheader.cupsInteger[5] = page_left + inheader.cupsWidth; |
| 399 | /* ImageBoxRight */ |
| 400 | outheader.cupsInteger[6] = page_height - page_bottom; |
| 401 | /* ImageBoxBottom */ |
| 402 | } |
| 403 | } |
| 404 | else |
| 405 | { |
| 406 | outheader.cupsInteger[1] = 1; /* CrossFeedTransform */ |
| 407 | outheader.cupsInteger[2] = 1; /* FeedTransform */ |
| 408 | |
| 409 | outheader.cupsInteger[3] = page_left; |
| 410 | /* ImageBoxLeft */ |
| 411 | outheader.cupsInteger[4] = page_top; |
| 412 | /* ImageBoxTop */ |
| 413 | outheader.cupsInteger[5] = page_left + inheader.cupsWidth; |
| 414 | /* ImageBoxRight */ |
| 415 | outheader.cupsInteger[6] = page_height - page_bottom; |
| 416 | /* ImageBoxBottom */ |
| 417 | } |
| 418 | |
| 419 | if (!cupsRasterWriteHeader2(outras, &outheader)) |
| 420 | { |
| 421 | _cupsLangPrintFilter(stderr, "ERROR", _("Error sending raster data.")); |
| 422 | fprintf(stderr, "DEBUG: Unable to write header for page %d.\n", page); |
| 423 | return (1); |
| 424 | } |
| 425 | |
| 426 | /* |
| 427 | * Copy raster data... |
| 428 | */ |
| 429 | |
| 430 | if (linesize < inheader.cupsBytesPerLine) |
| 431 | linesize = inheader.cupsBytesPerLine; |
| 432 | |
Philip P. Moltmann | 2447373 | 2017-05-11 09:37:47 -0700 | [diff] [blame] | 433 | if ((lineoffset + inheader.cupsBytesPerLine) > linesize) |
| 434 | lineoffset = linesize - inheader.cupsBytesPerLine; |
| 435 | |
Philip P. Moltmann | 25aee82 | 2016-12-15 12:16:46 -0800 | [diff] [blame] | 436 | line = malloc(linesize); |
| 437 | |
| 438 | memset(line, white, linesize); |
| 439 | for (y = page_top; y > 0; y --) |
| 440 | if (!cupsRasterWritePixels(outras, line, outheader.cupsBytesPerLine)) |
| 441 | { |
| 442 | _cupsLangPrintFilter(stderr, "ERROR", _("Error sending raster data.")); |
| 443 | fprintf(stderr, "DEBUG: Unable to write line %d for page %d.\n", |
| 444 | page_top - y + 1, page); |
| 445 | return (1); |
| 446 | } |
| 447 | |
| 448 | for (y = inheader.cupsHeight; y > 0; y --) |
| 449 | { |
| 450 | if (cupsRasterReadPixels(inras, line + lineoffset, inheader.cupsBytesPerLine) != inheader.cupsBytesPerLine) |
| 451 | { |
| 452 | _cupsLangPrintFilter(stderr, "ERROR", _("Error reading raster data.")); |
| 453 | fprintf(stderr, "DEBUG: Unable to read line %d for page %d.\n", |
| 454 | inheader.cupsHeight - y + page_top + 1, page); |
| 455 | return (1); |
| 456 | } |
| 457 | |
| 458 | if (!cupsRasterWritePixels(outras, line, outheader.cupsBytesPerLine)) |
| 459 | { |
| 460 | _cupsLangPrintFilter(stderr, "ERROR", _("Error sending raster data.")); |
| 461 | fprintf(stderr, "DEBUG: Unable to write line %d for page %d.\n", |
| 462 | inheader.cupsHeight - y + page_top + 1, page); |
| 463 | return (1); |
| 464 | } |
| 465 | } |
| 466 | |
| 467 | memset(line, white, linesize); |
| 468 | for (y = page_bottom; y > 0; y --) |
| 469 | if (!cupsRasterWritePixels(outras, line, outheader.cupsBytesPerLine)) |
| 470 | { |
| 471 | _cupsLangPrintFilter(stderr, "ERROR", _("Error sending raster data.")); |
| 472 | fprintf(stderr, "DEBUG: Unable to write line %d for page %d.\n", |
| 473 | page_bottom - y + page_top + inheader.cupsHeight + 1, page); |
| 474 | return (1); |
| 475 | } |
| 476 | |
| 477 | free(line); |
| 478 | } |
| 479 | |
| 480 | cupsRasterClose(inras); |
| 481 | if (fd) |
| 482 | close(fd); |
| 483 | |
| 484 | cupsRasterClose(outras); |
| 485 | |
| 486 | return (0); |
| 487 | } |