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Commit | Line | Data |
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516ba4c9 | 1 | /* |
7ce9aa3d | 2 | * "$Id: imagetops.c,v 1.28 2000/08/01 16:06:00 mike Exp $" |
516ba4c9 | 3 | * |
ed19bd98 | 4 | * Image file to PostScript filter for the Common UNIX Printing System (CUPS). |
516ba4c9 | 5 | * |
71fe22b7 | 6 | * Copyright 1993-2000 by Easy Software Products. |
516ba4c9 | 7 | * |
ed19bd98 | 8 | * These coded instructions, statements, and computer programs are the |
9 | * property of Easy Software Products and are protected by Federal | |
10 | * copyright law. Distribution and use rights are outlined in the file | |
11 | * "LICENSE.txt" which should have been included with this file. If this | |
12 | * file is missing or damaged please contact Easy Software Products | |
13 | * at: | |
516ba4c9 | 14 | * |
ed19bd98 | 15 | * Attn: CUPS Licensing Information |
16 | * Easy Software Products | |
17 | * 44141 Airport View Drive, Suite 204 | |
18 | * Hollywood, Maryland 20636-3111 USA | |
af526a52 | 19 | * |
ed19bd98 | 20 | * Voice: (301) 373-9603 |
21 | * EMail: cups-info@cups.org | |
22 | * WWW: http://www.cups.org | |
d850a9e1 | 23 | * |
ed19bd98 | 24 | * Contents: |
516ba4c9 | 25 | * |
ed19bd98 | 26 | * main() - Main entry... |
27 | * ps_hex() - Print binary data as a series of hexadecimal numbers. | |
28 | * ps_ascii85() - Print binary data as a series of base-85 numbers. | |
516ba4c9 | 29 | */ |
30 | ||
31 | /* | |
32 | * Include necessary headers... | |
33 | */ | |
34 | ||
ed19bd98 | 35 | #include "common.h" |
516ba4c9 | 36 | #include "image.h" |
ed19bd98 | 37 | #include <math.h> |
516ba4c9 | 38 | |
39 | ||
40 | /* | |
41 | * Globals... | |
42 | */ | |
43 | ||
ed19bd98 | 44 | int Flip = 0, /* Flip/mirror pages */ |
c5da5726 | 45 | XPosition = 0, /* Horizontal position on page */ |
46 | YPosition = 0, /* Vertical position on page */ | |
ed19bd98 | 47 | Collate = 0, /* Collate copies? */ |
48 | Copies = 1; /* Number of copies */ | |
516ba4c9 | 49 | |
50 | ||
51 | /* | |
52 | * Local functions... | |
53 | */ | |
54 | ||
ed19bd98 | 55 | static void ps_hex(ib_t *, int); |
56 | static void ps_ascii85(ib_t *, int, int); | |
516ba4c9 | 57 | |
58 | ||
59 | /* | |
60 | * 'main()' - Main entry... | |
61 | */ | |
62 | ||
ed19bd98 | 63 | int /* O - Exit status */ |
516ba4c9 | 64 | main(int argc, /* I - Number of command-line arguments */ |
65 | char *argv[]) /* I - Command-line arguments */ | |
66 | { | |
ed19bd98 | 67 | image_t *img; /* Image to print */ |
68 | float xprint, /* Printable area */ | |
69 | yprint, | |
70 | xinches, /* Total size in inches */ | |
71 | yinches; | |
72 | float xsize, /* Total size in points */ | |
48c4ffef | 73 | ysize, |
74 | xsize2, | |
75 | ysize2; | |
332197a2 | 76 | float aspect; /* Aspect ratio */ |
ed19bd98 | 77 | int xpages, /* # x pages */ |
78 | ypages, /* # y pages */ | |
79 | xpage, /* Current x page */ | |
80 | ypage, /* Current y page */ | |
81 | page; /* Current page number */ | |
82 | int x0, y0, /* Corners of the page in image coords */ | |
83 | x1, y1; | |
84 | ib_t *row; /* Current row */ | |
85 | int y; /* Current Y coordinate in image */ | |
86 | int colorspace; /* Output colorspace */ | |
87 | int out_offset, /* Offset into output buffer */ | |
88 | out_length; /* Length of output buffer */ | |
89 | ppd_file_t *ppd; /* PPD file */ | |
90 | int num_options; /* Number of print options */ | |
91 | cups_option_t *options; /* Print options */ | |
568d2c2f | 92 | const char *val; /* Option value */ |
ed19bd98 | 93 | int slowcollate; /* Collate copies the slow way */ |
94 | float g; /* Gamma correction value */ | |
95 | float b; /* Brightness factor */ | |
96 | float zoom; /* Zoom facter */ | |
332197a2 | 97 | int xppi, yppi; /* Pixels-per-inch */ |
ed19bd98 | 98 | int hue, sat; /* Hue and saturation adjustment */ |
19ec0c2c | 99 | int realcopies; /* Real copies being printed */ |
c5da5726 | 100 | float left, top; /* Left and top of image */ |
7ce9aa3d | 101 | char filename[1024]; /* Name of file to print */ |
ed19bd98 | 102 | |
103 | ||
7ce9aa3d | 104 | /* |
105 | * Check arguments... | |
106 | */ | |
107 | ||
108 | if (argc < 6 || argc > 7) | |
ed19bd98 | 109 | { |
7ce9aa3d | 110 | fputs("ERROR: imagetops job-id user title copies options [file]\n", stderr); |
ed19bd98 | 111 | return (1); |
112 | } | |
516ba4c9 | 113 | |
7ce9aa3d | 114 | fprintf(stderr, "INFO: %s %s %s %s %s %s %s\n", argv[0], argv[1], argv[2], |
115 | argv[3], argv[4], argv[5], argv[6] ? argv[6] : "(null)"); | |
116 | ||
117 | /* | |
118 | * Copy stdin as needed... | |
119 | */ | |
120 | ||
121 | if (argc == 6) | |
122 | { | |
123 | FILE *fp; /* File to read from */ | |
124 | char buffer[8192]; /* Buffer to read into */ | |
125 | int bytes; /* # of bytes to read */ | |
126 | ||
127 | ||
128 | if ((fp = fopen(cupsTempFile(filename, sizeof(filename)), "w")) == NULL) | |
129 | { | |
130 | perror("ERROR: Unable to copy image file"); | |
131 | return (1); | |
132 | } | |
133 | ||
134 | fprintf(stderr, "DEBUG: imagetops - copying to temp print file \"%s\"\n", | |
135 | filename); | |
136 | ||
137 | while ((bytes = fread(buffer, 1, sizeof(buffer), stdin)) > 0) | |
138 | fwrite(buffer, 1, bytes, fp); | |
139 | fclose(fp); | |
140 | } | |
141 | else | |
142 | { | |
143 | strncpy(filename, argv[6], sizeof(filename) - 1); | |
144 | filename[sizeof(filename) - 1] = '\0'; | |
145 | } | |
146 | ||
516ba4c9 | 147 | /* |
ed19bd98 | 148 | * Process command-line options and write the prolog... |
516ba4c9 | 149 | */ |
150 | ||
ed19bd98 | 151 | zoom = 0.0; |
332197a2 | 152 | xppi = 0; |
153 | yppi = 0; | |
ed19bd98 | 154 | hue = 0; |
155 | sat = 100; | |
f0d2f1a4 | 156 | g = 1.0; |
ed19bd98 | 157 | b = 1.0; |
516ba4c9 | 158 | |
ae818f4d | 159 | Copies = atoi(argv[4]); |
160 | ||
ed19bd98 | 161 | options = NULL; |
162 | num_options = cupsParseOptions(argv[5], 0, &options); | |
516ba4c9 | 163 | |
4e989042 | 164 | ppd = SetCommonOptions(num_options, options, 1); |
516ba4c9 | 165 | |
ed19bd98 | 166 | if ((val = cupsGetOption("multiple-document-handling", num_options, options)) != NULL) |
516ba4c9 | 167 | { |
ed19bd98 | 168 | /* |
169 | * This IPP attribute is unnecessarily complicated... | |
170 | * | |
171 | * single-document, separate-documents-collated-copies, and | |
172 | * single-document-new-sheet all require collated copies. | |
173 | * | |
174 | * separate-documents-collated-copies allows for uncollated copies. | |
175 | */ | |
516ba4c9 | 176 | |
a7b3e92e | 177 | Collate = strcasecmp(val, "separate-documents-collated-copies") != 0; |
ed19bd98 | 178 | } |
516ba4c9 | 179 | |
ed19bd98 | 180 | if ((val = cupsGetOption("Collate", num_options, options)) != NULL && |
a7b3e92e | 181 | strcasecmp(val, "True") == 0) |
ed19bd98 | 182 | Collate = 1; |
516ba4c9 | 183 | |
ed19bd98 | 184 | if ((val = cupsGetOption("gamma", num_options, options)) != NULL) |
185 | g = atoi(val) * 0.001f; | |
516ba4c9 | 186 | |
ed19bd98 | 187 | if ((val = cupsGetOption("brightness", num_options, options)) != NULL) |
188 | b = atoi(val) * 0.01f; | |
516ba4c9 | 189 | |
ed19bd98 | 190 | if ((val = cupsGetOption("scaling", num_options, options)) != NULL) |
191 | zoom = atoi(val) * 0.01; | |
516ba4c9 | 192 | |
ed19bd98 | 193 | if ((val = cupsGetOption("ppi", num_options, options)) != NULL) |
332197a2 | 194 | if (sscanf(val, "%dx%d", &xppi, &yppi) < 2) |
195 | yppi = xppi; | |
516ba4c9 | 196 | |
c5da5726 | 197 | if ((val = cupsGetOption("position", num_options, options)) != NULL) |
198 | { | |
199 | if (strcasecmp(val, "center") == 0) | |
200 | { | |
201 | XPosition = 0; | |
202 | YPosition = 0; | |
203 | } | |
204 | else if (strcasecmp(val, "top") == 0) | |
205 | { | |
206 | XPosition = 0; | |
207 | YPosition = 1; | |
208 | } | |
209 | else if (strcasecmp(val, "left") == 0) | |
210 | { | |
211 | XPosition = -1; | |
212 | YPosition = 0; | |
213 | } | |
214 | else if (strcasecmp(val, "right") == 0) | |
215 | { | |
216 | XPosition = 1; | |
217 | YPosition = 0; | |
218 | } | |
219 | else if (strcasecmp(val, "top-left") == 0) | |
220 | { | |
221 | XPosition = -1; | |
222 | YPosition = 1; | |
223 | } | |
224 | else if (strcasecmp(val, "top-right") == 0) | |
225 | { | |
226 | XPosition = 1; | |
227 | YPosition = 1; | |
228 | } | |
229 | else if (strcasecmp(val, "bottom") == 0) | |
230 | { | |
231 | XPosition = 0; | |
232 | YPosition = -1; | |
233 | } | |
234 | else if (strcasecmp(val, "bottom-left") == 0) | |
235 | { | |
236 | XPosition = -1; | |
237 | YPosition = -1; | |
238 | } | |
239 | else if (strcasecmp(val, "bottom-right") == 0) | |
240 | { | |
241 | XPosition = 1; | |
242 | YPosition = -1; | |
243 | } | |
244 | } | |
245 | ||
ed19bd98 | 246 | if ((val = cupsGetOption("saturation", num_options, options)) != NULL) |
247 | sat = atoi(val); | |
248 | ||
249 | if ((val = cupsGetOption("hue", num_options, options)) != NULL) | |
250 | hue = atoi(val); | |
516ba4c9 | 251 | |
252 | /* | |
253 | * Open the input image to print... | |
254 | */ | |
255 | ||
ed19bd98 | 256 | colorspace = ColorDevice ? IMAGE_RGB : IMAGE_WHITE; |
516ba4c9 | 257 | |
7ce9aa3d | 258 | img = ImageOpen(filename, colorspace, IMAGE_WHITE, sat, hue, NULL); |
259 | ||
260 | if (argc == 6) | |
261 | unlink(filename); | |
262 | ||
263 | if (img == NULL) | |
ed19bd98 | 264 | { |
265 | fputs("ERROR: Unable to open image file for printing!\n", stderr); | |
266 | ppdClose(ppd); | |
267 | return (1); | |
268 | } | |
516ba4c9 | 269 | |
ed19bd98 | 270 | colorspace = img->colorspace; |
516ba4c9 | 271 | |
272 | /* | |
273 | * Scale as necessary... | |
274 | */ | |
275 | ||
48c4ffef | 276 | xprint = (PageRight - PageLeft) / 72.0; |
277 | yprint = (PageTop - PageBottom) / 72.0; | |
278 | ||
332197a2 | 279 | if (zoom == 0.0 && xppi == 0) |
280 | { | |
281 | xppi = img->xppi; | |
282 | yppi = img->yppi; | |
283 | } | |
284 | ||
285 | if (yppi == 0) | |
286 | yppi = xppi; | |
287 | ||
288 | if (xppi > 0) | |
516ba4c9 | 289 | { |
290 | /* | |
291 | * Scale the image as neccesary to match the desired pixels-per-inch. | |
292 | */ | |
293 | ||
332197a2 | 294 | xinches = (float)img->xsize / (float)xppi; |
295 | yinches = (float)img->ysize / (float)yppi; | |
48c4ffef | 296 | |
b16dd9cb | 297 | if (cupsGetOption("orientation", num_options, options) == NULL && |
298 | cupsGetOption("landscape", num_options, options) == NULL) | |
48c4ffef | 299 | { |
300 | /* | |
b16dd9cb | 301 | * Rotate the image if it will fit landscape but not portrait... |
48c4ffef | 302 | */ |
303 | ||
b16dd9cb | 304 | if ((xinches > xprint || yinches > yprint) && |
305 | xinches <= yprint && yinches <= xprint) | |
306 | { | |
307 | /* | |
308 | * Rotate the image as needed... | |
309 | */ | |
310 | ||
311 | Orientation = (Orientation + 1) & 3; | |
312 | xsize = yprint; | |
313 | yprint = xprint; | |
314 | xprint = xsize; | |
315 | ||
316 | xsize = PageLeft; | |
317 | PageLeft = PageBottom; | |
318 | PageBottom = PageWidth - PageRight; | |
319 | PageRight = PageTop; | |
320 | PageTop = PageLength - xsize; | |
321 | ||
322 | xsize = PageWidth; | |
323 | PageWidth = PageLength; | |
324 | PageLength = xsize; | |
325 | } | |
48c4ffef | 326 | } |
516ba4c9 | 327 | } |
328 | else | |
329 | { | |
330 | /* | |
331 | * Scale percentage of page size... | |
332 | */ | |
333 | ||
332197a2 | 334 | aspect = (float)img->yppi / (float)img->xppi; |
335 | ||
336 | fprintf(stderr, "DEBUG: img->xppi = %d, img->yppi = %d, aspect = %f\n", | |
337 | img->xppi, img->yppi, aspect); | |
338 | ||
ed19bd98 | 339 | xsize = xprint * zoom; |
332197a2 | 340 | ysize = xsize * img->ysize / img->xsize / aspect; |
0169953d | 341 | |
ed19bd98 | 342 | if (ysize > (yprint * zoom)) |
516ba4c9 | 343 | { |
ed19bd98 | 344 | ysize = yprint * zoom; |
332197a2 | 345 | xsize = ysize * img->xsize * aspect / img->ysize; |
516ba4c9 | 346 | } |
0169953d | 347 | |
48c4ffef | 348 | xsize2 = yprint * zoom; |
332197a2 | 349 | ysize2 = xsize2 * img->ysize / img->xsize / aspect; |
48c4ffef | 350 | |
351 | if (ysize2 > (xprint * zoom)) | |
352 | { | |
353 | ysize2 = xprint * zoom; | |
332197a2 | 354 | xsize2 = ysize2 * img->xsize * aspect / img->ysize; |
48c4ffef | 355 | } |
356 | ||
332197a2 | 357 | fprintf(stderr, "DEBUG: xsize = %.0f, ysize = %.0f\n", xsize, ysize); |
358 | fprintf(stderr, "DEBUG: xsize2 = %.0f, ysize2 = %.0f\n", xsize2, ysize2); | |
359 | ||
b16dd9cb | 360 | if (cupsGetOption("orientation", num_options, options) == NULL && |
361 | cupsGetOption("landscape", num_options, options) == NULL) | |
48c4ffef | 362 | { |
363 | /* | |
b16dd9cb | 364 | * Choose the rotation with the largest area, but prefer |
365 | * portrait if they are equal... | |
48c4ffef | 366 | */ |
367 | ||
b16dd9cb | 368 | if ((xsize * ysize) < (xsize2 * xsize2)) |
369 | { | |
370 | /* | |
371 | * Do landscape orientation... | |
372 | */ | |
373 | ||
374 | Orientation = 1; | |
375 | xinches = xsize2; | |
376 | yinches = ysize2; | |
377 | xprint = (PageTop - PageBottom) / 72.0; | |
378 | yprint = (PageRight - PageLeft) / 72.0; | |
379 | ||
380 | xsize = PageLeft; | |
381 | PageLeft = PageBottom; | |
382 | PageBottom = PageWidth - PageRight; | |
383 | PageRight = PageTop; | |
384 | PageTop = PageLength - xsize; | |
385 | ||
386 | xsize = PageWidth; | |
387 | PageWidth = PageLength; | |
388 | PageLength = xsize; | |
389 | } | |
390 | else | |
391 | { | |
392 | /* | |
393 | * Do portrait orientation... | |
394 | */ | |
395 | ||
396 | Orientation = 0; | |
397 | xinches = xsize; | |
398 | yinches = ysize; | |
399 | } | |
400 | } | |
401 | else if (Orientation & 1) | |
402 | { | |
48c4ffef | 403 | xinches = xsize2; |
404 | yinches = ysize2; | |
405 | xprint = (PageTop - PageBottom) / 72.0; | |
406 | yprint = (PageRight - PageLeft) / 72.0; | |
407 | ||
408 | xsize = PageLeft; | |
409 | PageLeft = PageBottom; | |
410 | PageBottom = PageWidth - PageRight; | |
411 | PageRight = PageTop; | |
412 | PageTop = PageLength - xsize; | |
413 | ||
414 | xsize = PageWidth; | |
415 | PageWidth = PageLength; | |
416 | PageLength = xsize; | |
417 | } | |
ed19bd98 | 418 | } |
516ba4c9 | 419 | |
ed19bd98 | 420 | xpages = ceil(xinches / xprint); |
421 | ypages = ceil(yinches / yprint); | |
0169953d | 422 | |
ed19bd98 | 423 | /* |
424 | * See if we need to collate, and if so how we need to do it... | |
425 | */ | |
516ba4c9 | 426 | |
ed19bd98 | 427 | if (xpages == 1 && ypages == 1) |
428 | Collate = 0; | |
516ba4c9 | 429 | |
ed19bd98 | 430 | slowcollate = Collate && ppdFindOption(ppd, "Collate") == NULL; |
516ba4c9 | 431 | |
ed19bd98 | 432 | /* |
433 | * Write any "exit server" options that have been selected... | |
434 | */ | |
516ba4c9 | 435 | |
ed19bd98 | 436 | ppdEmit(ppd, stdout, PPD_ORDER_EXIT); |
516ba4c9 | 437 | |
ed19bd98 | 438 | /* |
439 | * Write any JCL commands that are needed to print PostScript code... | |
440 | */ | |
441 | ||
ed19bd98 | 442 | if (ppd != NULL && ppd->jcl_begin && ppd->jcl_ps) |
516ba4c9 | 443 | { |
6853ae56 | 444 | fputs(ppd->jcl_begin, stdout); |
5ec6832f | 445 | ppdEmit(ppd, stdout, PPD_ORDER_JCL); |
6853ae56 | 446 | fputs(ppd->jcl_ps, stdout); |
ed19bd98 | 447 | } |
516ba4c9 | 448 | |
449 | /* | |
ed19bd98 | 450 | * Start sending the document with any commands needed... |
516ba4c9 | 451 | */ |
452 | ||
ed19bd98 | 453 | puts("%!"); |
454 | ||
37b19c12 | 455 | if (ppd != NULL && ppd->patches != NULL) |
456 | puts(ppd->patches); | |
457 | ||
ed19bd98 | 458 | ppdEmit(ppd, stdout, PPD_ORDER_DOCUMENT); |
459 | ppdEmit(ppd, stdout, PPD_ORDER_ANY); | |
460 | ppdEmit(ppd, stdout, PPD_ORDER_PROLOG); | |
516ba4c9 | 461 | |
ed19bd98 | 462 | if (g != 1.0 || b != 1.0) |
37b19c12 | 463 | printf("{ neg 1 add dup 0 lt { pop 1 } { %.3f exp neg 1 add } " |
464 | "ifelse %.3f mul } bind settransfer\n", g, b); | |
ed19bd98 | 465 | |
466 | if (Copies > 1 && !slowcollate) | |
516ba4c9 | 467 | { |
ed19bd98 | 468 | printf("/#copies %d def\n", Copies); |
19ec0c2c | 469 | realcopies = Copies; |
470 | Copies = 1; | |
ed19bd98 | 471 | } |
19ec0c2c | 472 | else |
473 | realcopies = 1; | |
516ba4c9 | 474 | |
475 | /* | |
476 | * Output the pages... | |
477 | */ | |
478 | ||
0169953d | 479 | xprint = xinches / xpages; |
480 | yprint = yinches / ypages; | |
ed19bd98 | 481 | row = malloc(img->xsize * abs(colorspace) + 3); |
0169953d | 482 | |
ed19bd98 | 483 | for (page = 1; Copies > 0; Copies --) |
484 | for (xpage = 0; xpage < xpages; xpage ++) | |
485 | for (ypage = 0; ypage < ypages; ypage ++, page ++) | |
486 | { | |
19ec0c2c | 487 | fprintf(stderr, "PAGE: %d %d\n", page, realcopies); |
ed19bd98 | 488 | fprintf(stderr, "INFO: Printing page %d...\n", page); |
516ba4c9 | 489 | |
ed19bd98 | 490 | ppdEmit(ppd, stdout, PPD_ORDER_PAGE); |
516ba4c9 | 491 | |
ed19bd98 | 492 | puts("gsave"); |
516ba4c9 | 493 | |
ed19bd98 | 494 | if (Flip) |
495 | printf("%.0f 0 translate -1 1 scale\n", PageWidth); | |
496 | ||
497 | switch (Orientation) | |
498 | { | |
499 | case 1 : /* Landscape */ | |
500 | printf("%.0f 0 translate 90 rotate\n", PageLength); | |
501 | break; | |
502 | case 2 : /* Reverse Portrait */ | |
503 | printf("%.0f %.0f translate 180 rotate\n", PageWidth, PageLength); | |
504 | break; | |
505 | case 3 : /* Reverse Landscape */ | |
506 | printf("0 %.0f translate -90 rotate\n", PageWidth); | |
507 | break; | |
508 | } | |
516ba4c9 | 509 | |
5398375f | 510 | x0 = img->xsize * xpage / xpages; |
511 | x1 = img->xsize * (xpage + 1) / xpages - 1; | |
512 | y0 = img->ysize * ypage / ypages; | |
513 | y1 = img->ysize * (ypage + 1) / ypages - 1; | |
516ba4c9 | 514 | |
c5da5726 | 515 | switch (XPosition) |
516 | { | |
517 | case -1 : | |
518 | left = PageLeft; | |
519 | break; | |
520 | case 0 : | |
521 | left = (PageWidth - xprint * 72.0) * 0.5; | |
522 | break; | |
523 | case 1 : | |
524 | left = PageRight - xprint * 72.0; | |
525 | break; | |
526 | } | |
527 | ||
528 | switch (YPosition) | |
529 | { | |
530 | case -1 : | |
531 | top = PageBottom + 72.0 * yprint; | |
532 | break; | |
533 | case 0 : | |
534 | top = (PageLength + yprint * 72.0) * 0.5; | |
535 | break; | |
536 | case 1 : | |
537 | top = PageTop; | |
538 | break; | |
539 | } | |
540 | ||
541 | printf("%.1f %.1f translate\n", left, top); | |
542 | ||
ed19bd98 | 543 | printf("%.3f %.3f scale\n\n", |
544 | xprint * 72.0 / (x1 - x0 + 1), | |
545 | yprint * 72.0 / (y1 - y0 + 1)); | |
516ba4c9 | 546 | |
ed19bd98 | 547 | if (LanguageLevel == 1) |
af526a52 | 548 | { |
ed19bd98 | 549 | printf("/picture %d string def\n", (x1 - x0 + 1) * abs(colorspace)); |
550 | printf("%d %d 8[1 0 0 -1 0 1]", (x1 - x0 + 1), (y1 - y0 + 1)); | |
551 | ||
552 | if (colorspace == IMAGE_WHITE) | |
553 | puts("{currentfile picture readhexstring pop} image"); | |
af526a52 | 554 | else |
ed19bd98 | 555 | puts("{currentfile picture readhexstring pop} false 3 colorimage"); |
556 | ||
557 | for (y = y0; y <= y1; y ++) | |
558 | { | |
559 | ImageGetRow(img, x0, y, x1 - x0 + 1, row); | |
560 | ps_hex(row, (x1 - x0 + 1) * abs(colorspace)); | |
561 | } | |
af526a52 | 562 | } |
563 | else | |
564 | { | |
ed19bd98 | 565 | if (colorspace == IMAGE_WHITE) |
566 | puts("/DeviceGray setcolorspace"); | |
af526a52 | 567 | else |
ed19bd98 | 568 | puts("/DeviceRGB setcolorspace"); |
af526a52 | 569 | |
ed19bd98 | 570 | printf("<<" |
571 | "/ImageType 1" | |
572 | "/Width %d" | |
573 | "/Height %d" | |
574 | "/BitsPerComponent 8", | |
575 | x1 - x0 + 1, y1 - y0 + 1); | |
af526a52 | 576 | |
ed19bd98 | 577 | if (colorspace == IMAGE_WHITE) |
578 | fputs("/Decode[0 1]", stdout); | |
579 | else | |
580 | fputs("/Decode[0 1 0 1 0 1]", stdout); | |
af526a52 | 581 | |
ed19bd98 | 582 | fputs("/DataSource currentfile /ASCII85Decode filter", stdout); |
af526a52 | 583 | |
ed19bd98 | 584 | if (((x1 - x0 + 1) / xprint) < 100.0) |
585 | fputs("/Interpolate true", stdout); | |
5398375f | 586 | |
ed19bd98 | 587 | puts("/ImageMatrix[1 0 0 -1 0 1]>>image"); |
af526a52 | 588 | |
ed19bd98 | 589 | for (y = y0, out_offset = 0; y <= y1; y ++) |
590 | { | |
591 | ImageGetRow(img, x0, y, x1 - x0 + 1, row + out_offset); | |
af526a52 | 592 | |
ed19bd98 | 593 | out_length = (x1 - x0 + 1) * abs(colorspace) + out_offset; |
594 | out_offset = out_length & 3; | |
516ba4c9 | 595 | |
ed19bd98 | 596 | ps_ascii85(row, out_length, y == y1); |
516ba4c9 | 597 | |
ed19bd98 | 598 | if (out_offset > 0) |
599 | memcpy(row, row + out_length - out_offset, out_offset); | |
600 | } | |
601 | } | |
516ba4c9 | 602 | |
ed19bd98 | 603 | puts("grestore"); |
604 | puts("showpage"); | |
605 | } | |
516ba4c9 | 606 | |
ed19bd98 | 607 | /* |
608 | * End the job with the appropriate JCL command or CTRL-D otherwise. | |
609 | */ | |
516ba4c9 | 610 | |
ed19bd98 | 611 | if (ppd != NULL && ppd->jcl_end) |
6853ae56 | 612 | fputs(ppd->jcl_end, stdout); |
ed19bd98 | 613 | else |
614 | putchar(0x04); | |
516ba4c9 | 615 | |
ed19bd98 | 616 | /* |
617 | * Close files... | |
618 | */ | |
516ba4c9 | 619 | |
620 | ImageClose(img); | |
ed19bd98 | 621 | ppdClose(ppd); |
516ba4c9 | 622 | |
ed19bd98 | 623 | return (0); |
516ba4c9 | 624 | } |
625 | ||
626 | ||
627 | /* | |
628 | * 'ps_hex()' - Print binary data as a series of hexadecimal numbers. | |
629 | */ | |
630 | ||
631 | static void | |
ed19bd98 | 632 | ps_hex(ib_t *data, /* I - Data to print */ |
516ba4c9 | 633 | int length) /* I - Number of bytes to print */ |
634 | { | |
af526a52 | 635 | int col; |
516ba4c9 | 636 | static char *hex = "0123456789ABCDEF"; |
637 | ||
638 | ||
af526a52 | 639 | col = 0; |
640 | ||
516ba4c9 | 641 | while (length > 0) |
642 | { | |
643 | /* | |
ed19bd98 | 644 | * Put the hex chars out to the file; note that we don't use printf() |
516ba4c9 | 645 | * for speed reasons... |
646 | */ | |
647 | ||
ed19bd98 | 648 | putchar(hex[*data >> 4]); |
649 | putchar(hex[*data & 15]); | |
516ba4c9 | 650 | |
651 | data ++; | |
652 | length --; | |
af526a52 | 653 | |
654 | col = (col + 1) & 31; | |
655 | if (col == 0 && length > 0) | |
ed19bd98 | 656 | putchar('\n'); |
657 | } | |
516ba4c9 | 658 | |
ed19bd98 | 659 | putchar('\n'); |
516ba4c9 | 660 | } |
661 | ||
662 | ||
663 | /* | |
664 | * 'ps_ascii85()' - Print binary data as a series of base-85 numbers. | |
665 | */ | |
666 | ||
667 | static void | |
ed19bd98 | 668 | ps_ascii85(ib_t *data, /* I - Data to print */ |
516ba4c9 | 669 | int length, /* I - Number of bytes to print */ |
670 | int last_line) /* I - Last line of raster data? */ | |
671 | { | |
672 | unsigned b; /* Binary data word */ | |
673 | unsigned char c[5]; /* ASCII85 encoded chars */ | |
516ba4c9 | 674 | |
675 | ||
516ba4c9 | 676 | while (length > 3) |
677 | { | |
678 | b = (((((data[0] << 8) | data[1]) << 8) | data[2]) << 8) | data[3]; | |
679 | ||
680 | if (b == 0) | |
ed19bd98 | 681 | putchar('z'); |
516ba4c9 | 682 | else |
683 | { | |
684 | c[4] = (b % 85) + '!'; | |
685 | b /= 85; | |
686 | c[3] = (b % 85) + '!'; | |
687 | b /= 85; | |
688 | c[2] = (b % 85) + '!'; | |
689 | b /= 85; | |
690 | c[1] = (b % 85) + '!'; | |
691 | b /= 85; | |
692 | c[0] = b + '!'; | |
693 | ||
ed19bd98 | 694 | fwrite(c, 5, 1, stdout); |
695 | } | |
516ba4c9 | 696 | |
697 | data += 4; | |
698 | length -= 4; | |
ed19bd98 | 699 | } |
516ba4c9 | 700 | |
701 | if (last_line) | |
702 | { | |
703 | if (length > 0) | |
704 | { | |
4364903a | 705 | memset(data + length, 0, 4 - length); |
706 | b = (((((data[0] << 8) | data[1]) << 8) | data[2]) << 8) | data[3]; | |
516ba4c9 | 707 | |
708 | c[4] = (b % 85) + '!'; | |
709 | b /= 85; | |
710 | c[3] = (b % 85) + '!'; | |
711 | b /= 85; | |
712 | c[2] = (b % 85) + '!'; | |
713 | b /= 85; | |
714 | c[1] = (b % 85) + '!'; | |
715 | b /= 85; | |
716 | c[0] = b + '!'; | |
717 | ||
ed19bd98 | 718 | fwrite(c, length + 1, 1, stdout); |
719 | } | |
516ba4c9 | 720 | |
ed19bd98 | 721 | puts("~>"); |
516ba4c9 | 722 | } |
516ba4c9 | 723 | } |
724 | ||
725 | ||
726 | /* | |
7ce9aa3d | 727 | * End of "$Id: imagetops.c,v 1.28 2000/08/01 16:06:00 mike Exp $". |
516ba4c9 | 728 | */ |