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ef416fc2 | 1 | /* |
c0e1af83 | 2 | * "$Id: rastertohp.c 6420 2007-03-30 20:00:59Z mike $" |
ef416fc2 | 3 | * |
4 | * Hewlett-Packard Page Control Language filter for the Common UNIX | |
5 | * Printing System (CUPS). | |
6 | * | |
c0e1af83 | 7 | * Copyright 1993-2007 by Easy Software Products. |
ef416fc2 | 8 | * |
9 | * These coded instructions, statements, and computer programs are the | |
10 | * property of Easy Software Products and are protected by Federal | |
11 | * copyright law. Distribution and use rights are outlined in the file | |
12 | * "LICENSE.txt" which should have been included with this file. If this | |
13 | * file is missing or damaged please contact Easy Software Products | |
14 | * at: | |
15 | * | |
16 | * Attn: CUPS Licensing Information | |
17 | * Easy Software Products | |
18 | * 44141 Airport View Drive, Suite 204 | |
19 | * Hollywood, Maryland 20636 USA | |
20 | * | |
21 | * Voice: (301) 373-9600 | |
22 | * EMail: cups-info@cups.org | |
23 | * WWW: http://www.cups.org | |
24 | * | |
25 | * This file is subject to the Apple OS-Developed Software exception. | |
26 | * | |
27 | * Contents: | |
28 | * | |
29 | * Setup() - Prepare the printer for printing. | |
30 | * StartPage() - Start a page of graphics. | |
31 | * EndPage() - Finish a page of graphics. | |
32 | * Shutdown() - Shutdown the printer. | |
33 | * CancelJob() - Cancel the current job... | |
34 | * CompressData() - Compress a line of graphics. | |
35 | * OutputLine() - Output a line of graphics. | |
36 | * main() - Main entry and processing of driver. | |
37 | */ | |
38 | ||
39 | /* | |
40 | * Include necessary headers... | |
41 | */ | |
42 | ||
43 | #include <cups/cups.h> | |
44 | #include <cups/string.h> | |
c0e1af83 | 45 | #include <cups/i18n.h> |
ef416fc2 | 46 | #include "raster.h" |
47 | #include <stdlib.h> | |
48 | #include <unistd.h> | |
49 | #include <fcntl.h> | |
50 | #include <signal.h> | |
51 | ||
52 | ||
53 | /* | |
54 | * Globals... | |
55 | */ | |
56 | ||
57 | unsigned char *Planes[4], /* Output buffers */ | |
58 | *CompBuffer, /* Compression buffer */ | |
59 | *BitBuffer; /* Buffer for output bits */ | |
60 | int NumPlanes, /* Number of color planes */ | |
61 | ColorBits, /* Number of bits per color */ | |
62 | Feed, /* Number of lines to skip */ | |
63 | Duplex, /* Current duplex mode */ | |
64 | Page; /* Current page number */ | |
65 | ||
66 | ||
67 | /* | |
68 | * Prototypes... | |
69 | */ | |
70 | ||
71 | void Setup(void); | |
72 | void StartPage(ppd_file_t *ppd, cups_page_header_t *header); | |
73 | void EndPage(void); | |
74 | void Shutdown(void); | |
75 | ||
76 | void CancelJob(int sig); | |
77 | void CompressData(unsigned char *line, int length, int plane, int type); | |
78 | void OutputLine(cups_page_header_t *header); | |
79 | ||
80 | ||
81 | /* | |
82 | * 'Setup()' - Prepare the printer for printing. | |
83 | */ | |
84 | ||
85 | void | |
86 | Setup(void) | |
87 | { | |
88 | /* | |
89 | * Send a PCL reset sequence. | |
90 | */ | |
91 | ||
92 | putchar(0x1b); | |
93 | putchar('E'); | |
94 | } | |
95 | ||
96 | ||
97 | /* | |
98 | * 'StartPage()' - Start a page of graphics. | |
99 | */ | |
100 | ||
101 | void | |
102 | StartPage(ppd_file_t *ppd, /* I - PPD file */ | |
103 | cups_page_header_t *header) /* I - Page header */ | |
104 | { | |
105 | int plane; /* Looping var */ | |
106 | #if defined(HAVE_SIGACTION) && !defined(HAVE_SIGSET) | |
107 | struct sigaction action; /* Actions for POSIX signals */ | |
108 | #endif /* HAVE_SIGACTION && !HAVE_SIGSET */ | |
109 | ||
110 | ||
111 | /* | |
112 | * Register a signal handler to eject the current page if the | |
113 | * job is cancelled. | |
114 | */ | |
115 | ||
116 | #ifdef HAVE_SIGSET /* Use System V signals over POSIX to avoid bugs */ | |
117 | sigset(SIGTERM, CancelJob); | |
118 | #elif defined(HAVE_SIGACTION) | |
119 | memset(&action, 0, sizeof(action)); | |
120 | ||
121 | sigemptyset(&action.sa_mask); | |
122 | action.sa_handler = CancelJob; | |
123 | sigaction(SIGTERM, &action, NULL); | |
124 | #else | |
125 | signal(SIGTERM, CancelJob); | |
126 | #endif /* HAVE_SIGSET */ | |
127 | ||
128 | /* | |
129 | * Show page device dictionary... | |
130 | */ | |
131 | ||
132 | fprintf(stderr, "DEBUG: StartPage...\n"); | |
133 | fprintf(stderr, "DEBUG: MediaClass = \"%s\"\n", header->MediaClass); | |
134 | fprintf(stderr, "DEBUG: MediaColor = \"%s\"\n", header->MediaColor); | |
135 | fprintf(stderr, "DEBUG: MediaType = \"%s\"\n", header->MediaType); | |
136 | fprintf(stderr, "DEBUG: OutputType = \"%s\"\n", header->OutputType); | |
137 | ||
138 | fprintf(stderr, "DEBUG: AdvanceDistance = %d\n", header->AdvanceDistance); | |
139 | fprintf(stderr, "DEBUG: AdvanceMedia = %d\n", header->AdvanceMedia); | |
140 | fprintf(stderr, "DEBUG: Collate = %d\n", header->Collate); | |
141 | fprintf(stderr, "DEBUG: CutMedia = %d\n", header->CutMedia); | |
142 | fprintf(stderr, "DEBUG: Duplex = %d\n", header->Duplex); | |
143 | fprintf(stderr, "DEBUG: HWResolution = [ %d %d ]\n", header->HWResolution[0], | |
144 | header->HWResolution[1]); | |
145 | fprintf(stderr, "DEBUG: ImagingBoundingBox = [ %d %d %d %d ]\n", | |
146 | header->ImagingBoundingBox[0], header->ImagingBoundingBox[1], | |
147 | header->ImagingBoundingBox[2], header->ImagingBoundingBox[3]); | |
148 | fprintf(stderr, "DEBUG: InsertSheet = %d\n", header->InsertSheet); | |
149 | fprintf(stderr, "DEBUG: Jog = %d\n", header->Jog); | |
150 | fprintf(stderr, "DEBUG: LeadingEdge = %d\n", header->LeadingEdge); | |
151 | fprintf(stderr, "DEBUG: Margins = [ %d %d ]\n", header->Margins[0], | |
152 | header->Margins[1]); | |
153 | fprintf(stderr, "DEBUG: ManualFeed = %d\n", header->ManualFeed); | |
154 | fprintf(stderr, "DEBUG: MediaPosition = %d\n", header->MediaPosition); | |
155 | fprintf(stderr, "DEBUG: MediaWeight = %d\n", header->MediaWeight); | |
156 | fprintf(stderr, "DEBUG: MirrorPrint = %d\n", header->MirrorPrint); | |
157 | fprintf(stderr, "DEBUG: NegativePrint = %d\n", header->NegativePrint); | |
158 | fprintf(stderr, "DEBUG: NumCopies = %d\n", header->NumCopies); | |
159 | fprintf(stderr, "DEBUG: Orientation = %d\n", header->Orientation); | |
160 | fprintf(stderr, "DEBUG: OutputFaceUp = %d\n", header->OutputFaceUp); | |
161 | fprintf(stderr, "DEBUG: PageSize = [ %d %d ]\n", header->PageSize[0], | |
162 | header->PageSize[1]); | |
163 | fprintf(stderr, "DEBUG: Separations = %d\n", header->Separations); | |
164 | fprintf(stderr, "DEBUG: TraySwitch = %d\n", header->TraySwitch); | |
165 | fprintf(stderr, "DEBUG: Tumble = %d\n", header->Tumble); | |
166 | fprintf(stderr, "DEBUG: cupsWidth = %d\n", header->cupsWidth); | |
167 | fprintf(stderr, "DEBUG: cupsHeight = %d\n", header->cupsHeight); | |
168 | fprintf(stderr, "DEBUG: cupsMediaType = %d\n", header->cupsMediaType); | |
169 | fprintf(stderr, "DEBUG: cupsBitsPerColor = %d\n", header->cupsBitsPerColor); | |
170 | fprintf(stderr, "DEBUG: cupsBitsPerPixel = %d\n", header->cupsBitsPerPixel); | |
171 | fprintf(stderr, "DEBUG: cupsBytesPerLine = %d\n", header->cupsBytesPerLine); | |
172 | fprintf(stderr, "DEBUG: cupsColorOrder = %d\n", header->cupsColorOrder); | |
173 | fprintf(stderr, "DEBUG: cupsColorSpace = %d\n", header->cupsColorSpace); | |
174 | fprintf(stderr, "DEBUG: cupsCompression = %d\n", header->cupsCompression); | |
175 | ||
176 | /* | |
177 | * Setup printer/job attributes... | |
178 | */ | |
179 | ||
180 | Duplex = header->Duplex; | |
181 | ColorBits = header->cupsBitsPerColor; | |
182 | ||
183 | if ((!Duplex || (Page & 1)) && header->MediaPosition) | |
184 | printf("\033&l%dH", /* Set media position */ | |
185 | header->MediaPosition); | |
186 | ||
187 | if (Duplex && ppd && ppd->model_number == 2) | |
188 | { | |
189 | /* | |
190 | * Handle duplexing on new DeskJet printers... | |
191 | */ | |
192 | ||
193 | printf("\033&l-2H"); /* Load media */ | |
194 | ||
195 | if (Page & 1) | |
196 | printf("\033&l2S"); /* Set duplex mode */ | |
197 | } | |
198 | ||
199 | if (!Duplex || (Page & 1) || (ppd && ppd->model_number == 2)) | |
200 | { | |
201 | /* | |
202 | * Set the media size... | |
203 | */ | |
204 | ||
205 | printf("\033&l6D\033&k12H"); /* Set 6 LPI, 10 CPI */ | |
206 | printf("\033&l0O"); /* Set portrait orientation */ | |
207 | ||
208 | switch (header->PageSize[1]) | |
209 | { | |
210 | case 540 : /* Monarch Envelope */ | |
211 | printf("\033&l80A"); /* Set page size */ | |
212 | break; | |
213 | ||
214 | case 624 : /* DL Envelope */ | |
215 | printf("\033&l90A"); /* Set page size */ | |
216 | break; | |
217 | ||
218 | case 649 : /* C5 Envelope */ | |
219 | printf("\033&l91A"); /* Set page size */ | |
220 | break; | |
221 | ||
222 | case 684 : /* COM-10 Envelope */ | |
223 | printf("\033&l81A"); /* Set page size */ | |
224 | break; | |
225 | ||
226 | case 709 : /* B5 Envelope */ | |
227 | printf("\033&l100A"); /* Set page size */ | |
228 | break; | |
229 | ||
230 | case 756 : /* Executive */ | |
231 | printf("\033&l1A"); /* Set page size */ | |
232 | break; | |
233 | ||
234 | case 792 : /* Letter */ | |
235 | printf("\033&l2A"); /* Set page size */ | |
236 | break; | |
237 | ||
238 | case 842 : /* A4 */ | |
239 | printf("\033&l26A"); /* Set page size */ | |
240 | break; | |
241 | ||
242 | case 1008 : /* Legal */ | |
243 | printf("\033&l3A"); /* Set page size */ | |
244 | break; | |
245 | ||
246 | case 1191 : /* A3 */ | |
247 | printf("\033&l27A"); /* Set page size */ | |
248 | break; | |
249 | ||
250 | case 1224 : /* Tabloid */ | |
251 | printf("\033&l6A"); /* Set page size */ | |
252 | break; | |
253 | } | |
254 | ||
255 | printf("\033&l%dP", /* Set page length */ | |
256 | header->PageSize[1] / 12); | |
257 | printf("\033&l0E"); /* Set top margin to 0 */ | |
258 | } | |
259 | ||
260 | if (!Duplex || (Page & 1)) | |
261 | { | |
262 | /* | |
263 | * Set other job options... | |
264 | */ | |
265 | ||
266 | printf("\033&l%dX", header->NumCopies); /* Set number copies */ | |
267 | ||
268 | if (header->cupsMediaType && | |
269 | (!ppd || ppd->model_number != 2 || header->HWResolution[0] == 600)) | |
270 | printf("\033&l%dM", /* Set media type */ | |
271 | header->cupsMediaType); | |
272 | ||
273 | if (!ppd || ppd->model_number != 2) | |
274 | { | |
275 | if (header->Duplex) | |
276 | printf("\033&l%dS", /* Set duplex mode */ | |
277 | header->Duplex + header->Tumble); | |
278 | ||
279 | printf("\033&l0L"); /* Turn off perforation skip */ | |
280 | } | |
281 | } | |
282 | else if (!ppd || ppd->model_number != 2) | |
283 | printf("\033&a2G"); /* Set back side */ | |
284 | ||
285 | /* | |
286 | * Set graphics mode... | |
287 | */ | |
288 | ||
289 | if (ppd->model_number == 2) | |
290 | { | |
291 | /* | |
292 | * Figure out the number of color planes... | |
293 | */ | |
294 | ||
295 | if (header->cupsColorSpace == CUPS_CSPACE_KCMY) | |
296 | NumPlanes = 4; | |
297 | else | |
298 | NumPlanes = 1; | |
299 | ||
300 | /* | |
301 | * Set the resolution and top-of-form... | |
302 | */ | |
303 | ||
304 | printf("\033&u%dD", header->HWResolution[0]); | |
305 | /* Resolution */ | |
306 | printf("\033&l0e0L"); /* Reset top and don't skip */ | |
307 | printf("\033*p0Y\033*p0X"); /* Set top of form */ | |
308 | ||
309 | /* | |
310 | * Send 26-byte configure image data command with horizontal and | |
311 | * vertical resolutions as well as a color count... | |
312 | */ | |
313 | ||
314 | printf("\033*g26W"); | |
315 | putchar(2); /* Format 2 */ | |
316 | putchar(NumPlanes); /* Output planes */ | |
317 | ||
318 | putchar(header->HWResolution[0] >> 8); /* Black resolution */ | |
319 | putchar(header->HWResolution[0]); | |
320 | putchar(header->HWResolution[1] >> 8); | |
321 | putchar(header->HWResolution[1]); | |
322 | putchar(0); | |
323 | putchar(1 << ColorBits); /* # of black levels */ | |
324 | ||
325 | putchar(header->HWResolution[0] >> 8); /* Cyan resolution */ | |
326 | putchar(header->HWResolution[0]); | |
327 | putchar(header->HWResolution[1] >> 8); | |
328 | putchar(header->HWResolution[1]); | |
329 | putchar(0); | |
330 | putchar(1 << ColorBits); /* # of cyan levels */ | |
331 | ||
332 | putchar(header->HWResolution[0] >> 8); /* Magenta resolution */ | |
333 | putchar(header->HWResolution[0]); | |
334 | putchar(header->HWResolution[1] >> 8); | |
335 | putchar(header->HWResolution[1]); | |
336 | putchar(0); | |
337 | putchar(1 << ColorBits); /* # of magenta levels */ | |
338 | ||
339 | putchar(header->HWResolution[0] >> 8); /* Yellow resolution */ | |
340 | putchar(header->HWResolution[0]); | |
341 | putchar(header->HWResolution[1] >> 8); | |
342 | putchar(header->HWResolution[1]); | |
343 | putchar(0); | |
344 | putchar(1 << ColorBits); /* # of yellow levels */ | |
345 | ||
346 | printf("\033&l0H"); /* Set media position */ | |
347 | } | |
348 | else | |
349 | { | |
350 | printf("\033*t%dR", header->HWResolution[0]); | |
351 | /* Set resolution */ | |
352 | ||
353 | if (header->cupsColorSpace == CUPS_CSPACE_KCMY) | |
354 | { | |
355 | NumPlanes = 4; | |
356 | printf("\033*r-4U"); /* Set KCMY graphics */ | |
357 | } | |
358 | else if (header->cupsColorSpace == CUPS_CSPACE_CMY) | |
359 | { | |
360 | NumPlanes = 3; | |
361 | printf("\033*r-3U"); /* Set CMY graphics */ | |
362 | } | |
363 | else | |
364 | NumPlanes = 1; /* Black&white graphics */ | |
365 | ||
366 | /* | |
367 | * Set size and position of graphics... | |
368 | */ | |
369 | ||
370 | printf("\033*r%dS", header->cupsWidth); /* Set width */ | |
371 | printf("\033*r%dT", header->cupsHeight); /* Set height */ | |
372 | ||
373 | printf("\033&a0H"); /* Set horizontal position */ | |
374 | ||
375 | if (ppd) | |
376 | printf("\033&a%.0fV", /* Set vertical position */ | |
377 | 10.0 * (ppd->sizes[0].length - ppd->sizes[0].top)); | |
378 | else | |
379 | printf("\033&a0V"); /* Set top-of-page */ | |
380 | } | |
381 | ||
382 | printf("\033*r1A"); /* Start graphics */ | |
383 | ||
384 | if (header->cupsCompression) | |
385 | printf("\033*b%dM", /* Set compression */ | |
386 | header->cupsCompression); | |
387 | ||
388 | Feed = 0; /* No blank lines yet */ | |
389 | ||
390 | /* | |
391 | * Allocate memory for a line of graphics... | |
392 | */ | |
393 | ||
394 | Planes[0] = malloc(header->cupsBytesPerLine); | |
395 | for (plane = 1; plane < NumPlanes; plane ++) | |
396 | Planes[plane] = Planes[0] + plane * header->cupsBytesPerLine / NumPlanes; | |
397 | ||
398 | if (ColorBits > 1) | |
399 | BitBuffer = malloc(ColorBits * ((header->cupsWidth + 7) / 8)); | |
400 | else | |
401 | BitBuffer = NULL; | |
402 | ||
403 | if (header->cupsCompression) | |
404 | CompBuffer = malloc(header->cupsBytesPerLine * 2); | |
405 | else | |
406 | CompBuffer = NULL; | |
407 | } | |
408 | ||
409 | ||
410 | /* | |
411 | * 'EndPage()' - Finish a page of graphics. | |
412 | */ | |
413 | ||
414 | void | |
415 | EndPage(void) | |
416 | { | |
417 | #if defined(HAVE_SIGACTION) && !defined(HAVE_SIGSET) | |
418 | struct sigaction action; /* Actions for POSIX signals */ | |
419 | #endif /* HAVE_SIGACTION && !HAVE_SIGSET */ | |
420 | ||
421 | ||
422 | /* | |
423 | * Eject the current page... | |
424 | */ | |
425 | ||
426 | if (NumPlanes > 1) | |
427 | { | |
428 | printf("\033*rC"); /* End color GFX */ | |
429 | ||
430 | if (!(Duplex && (Page & 1))) | |
431 | printf("\033&l0H"); /* Eject current page */ | |
432 | } | |
433 | else | |
434 | { | |
435 | printf("\033*r0B"); /* End GFX */ | |
436 | ||
437 | if (!(Duplex && (Page & 1))) | |
438 | printf("\014"); /* Eject current page */ | |
439 | } | |
440 | ||
441 | fflush(stdout); | |
442 | ||
443 | /* | |
444 | * Unregister the signal handler... | |
445 | */ | |
446 | ||
447 | #ifdef HAVE_SIGSET /* Use System V signals over POSIX to avoid bugs */ | |
448 | sigset(SIGTERM, SIG_IGN); | |
449 | #elif defined(HAVE_SIGACTION) | |
450 | memset(&action, 0, sizeof(action)); | |
451 | ||
452 | sigemptyset(&action.sa_mask); | |
453 | action.sa_handler = SIG_IGN; | |
454 | sigaction(SIGTERM, &action, NULL); | |
455 | #else | |
456 | signal(SIGTERM, SIG_IGN); | |
457 | #endif /* HAVE_SIGSET */ | |
458 | ||
459 | /* | |
460 | * Free memory... | |
461 | */ | |
462 | ||
463 | free(Planes[0]); | |
464 | ||
465 | if (BitBuffer) | |
466 | free(BitBuffer); | |
467 | ||
468 | if (CompBuffer) | |
469 | free(CompBuffer); | |
470 | } | |
471 | ||
472 | ||
473 | /* | |
474 | * 'Shutdown()' - Shutdown the printer. | |
475 | */ | |
476 | ||
477 | void | |
478 | Shutdown(void) | |
479 | { | |
480 | /* | |
481 | * Send a PCL reset sequence. | |
482 | */ | |
483 | ||
484 | putchar(0x1b); | |
485 | putchar('E'); | |
486 | } | |
487 | ||
488 | ||
489 | /* | |
490 | * 'CancelJob()' - Cancel the current job... | |
491 | */ | |
492 | ||
493 | void | |
494 | CancelJob(int sig) /* I - Signal */ | |
495 | { | |
496 | int i; /* Looping var */ | |
497 | ||
498 | ||
499 | (void)sig; | |
500 | ||
501 | /* | |
502 | * Send out lots of NUL bytes to clear out any pending raster data... | |
503 | */ | |
504 | ||
505 | for (i = 0; i < 600; i ++) | |
506 | putchar(0); | |
507 | ||
508 | /* | |
509 | * End the current page and exit... | |
510 | */ | |
511 | ||
512 | EndPage(); | |
513 | Shutdown(); | |
514 | ||
515 | exit(0); | |
516 | } | |
517 | ||
518 | ||
519 | /* | |
520 | * 'CompressData()' - Compress a line of graphics. | |
521 | */ | |
522 | ||
523 | void | |
524 | CompressData(unsigned char *line, /* I - Data to compress */ | |
525 | int length, /* I - Number of bytes */ | |
526 | int plane, /* I - Color plane */ | |
527 | int type) /* I - Type of compression */ | |
528 | { | |
529 | unsigned char *line_ptr, /* Current byte pointer */ | |
530 | *line_end, /* End-of-line byte pointer */ | |
531 | *comp_ptr, /* Pointer into compression buffer */ | |
532 | *start; /* Start of compression sequence */ | |
533 | int count; /* Count of bytes for output */ | |
534 | ||
535 | ||
536 | switch (type) | |
537 | { | |
538 | default : | |
539 | /* | |
540 | * Do no compression... | |
541 | */ | |
542 | ||
543 | line_ptr = line; | |
544 | line_end = line + length; | |
545 | break; | |
546 | ||
547 | case 1 : | |
548 | /* | |
549 | * Do run-length encoding... | |
550 | */ | |
551 | ||
552 | line_end = line + length; | |
553 | for (line_ptr = line, comp_ptr = CompBuffer; | |
554 | line_ptr < line_end; | |
555 | comp_ptr += 2, line_ptr += count) | |
556 | { | |
557 | for (count = 1; | |
558 | (line_ptr + count) < line_end && | |
559 | line_ptr[0] == line_ptr[count] && | |
560 | count < 256; | |
561 | count ++); | |
562 | ||
563 | comp_ptr[0] = count - 1; | |
564 | comp_ptr[1] = line_ptr[0]; | |
565 | } | |
566 | ||
567 | line_ptr = CompBuffer; | |
568 | line_end = comp_ptr; | |
569 | break; | |
570 | ||
571 | case 2 : | |
572 | /* | |
573 | * Do TIFF pack-bits encoding... | |
574 | */ | |
575 | ||
576 | line_ptr = line; | |
577 | line_end = line + length; | |
578 | comp_ptr = CompBuffer; | |
579 | ||
580 | while (line_ptr < line_end) | |
581 | { | |
582 | if ((line_ptr + 1) >= line_end) | |
583 | { | |
584 | /* | |
585 | * Single byte on the end... | |
586 | */ | |
587 | ||
588 | *comp_ptr++ = 0x00; | |
589 | *comp_ptr++ = *line_ptr++; | |
590 | } | |
591 | else if (line_ptr[0] == line_ptr[1]) | |
592 | { | |
593 | /* | |
594 | * Repeated sequence... | |
595 | */ | |
596 | ||
597 | line_ptr ++; | |
598 | count = 2; | |
599 | ||
600 | while (line_ptr < (line_end - 1) && | |
601 | line_ptr[0] == line_ptr[1] && | |
602 | count < 127) | |
603 | { | |
604 | line_ptr ++; | |
605 | count ++; | |
606 | } | |
607 | ||
608 | *comp_ptr++ = 257 - count; | |
609 | *comp_ptr++ = *line_ptr++; | |
610 | } | |
611 | else | |
612 | { | |
613 | /* | |
614 | * Non-repeated sequence... | |
615 | */ | |
616 | ||
617 | start = line_ptr; | |
618 | line_ptr ++; | |
619 | count = 1; | |
620 | ||
621 | while (line_ptr < (line_end - 1) && | |
622 | line_ptr[0] != line_ptr[1] && | |
623 | count < 127) | |
624 | { | |
625 | line_ptr ++; | |
626 | count ++; | |
627 | } | |
628 | ||
629 | *comp_ptr++ = count - 1; | |
630 | ||
631 | memcpy(comp_ptr, start, count); | |
632 | comp_ptr += count; | |
633 | } | |
634 | } | |
635 | ||
636 | line_ptr = CompBuffer; | |
637 | line_end = comp_ptr; | |
638 | break; | |
639 | } | |
640 | ||
641 | /* | |
642 | * Set the length of the data and write a raster plane... | |
643 | */ | |
644 | ||
645 | printf("\033*b%d%c", (int)(line_end - line_ptr), plane); | |
646 | fwrite(line_ptr, line_end - line_ptr, 1, stdout); | |
647 | } | |
648 | ||
649 | ||
650 | /* | |
651 | * 'OutputLine()' - Output a line of graphics. | |
652 | */ | |
653 | ||
654 | void | |
655 | OutputLine(cups_page_header_t *header) /* I - Page header */ | |
656 | { | |
657 | int plane, /* Current plane */ | |
658 | bytes, /* Bytes to write */ | |
659 | count; /* Bytes to convert */ | |
660 | unsigned char bit, /* Current plane data */ | |
661 | bit0, /* Current low bit data */ | |
662 | bit1, /* Current high bit data */ | |
663 | *plane_ptr, /* Pointer into Planes */ | |
664 | *bit_ptr; /* Pointer into BitBuffer */ | |
665 | ||
666 | ||
667 | /* | |
668 | * Output whitespace as needed... | |
669 | */ | |
670 | ||
671 | if (Feed > 0) | |
672 | { | |
673 | printf("\033*b%dY", Feed); | |
674 | Feed = 0; | |
675 | } | |
676 | ||
677 | /* | |
678 | * Write bitmap data as needed... | |
679 | */ | |
680 | ||
681 | bytes = (header->cupsWidth + 7) / 8; | |
682 | ||
683 | for (plane = 0; plane < NumPlanes; plane ++) | |
684 | if (ColorBits == 1) | |
685 | { | |
686 | /* | |
687 | * Send bits as-is... | |
688 | */ | |
689 | ||
690 | CompressData(Planes[plane], bytes, plane < (NumPlanes - 1) ? 'V' : 'W', | |
691 | header->cupsCompression); | |
692 | } | |
693 | else | |
694 | { | |
695 | /* | |
696 | * Separate low and high bit data into separate buffers. | |
697 | */ | |
698 | ||
699 | for (count = header->cupsBytesPerLine / NumPlanes, | |
700 | plane_ptr = Planes[plane], bit_ptr = BitBuffer; | |
701 | count > 0; | |
702 | count -= 2, plane_ptr += 2, bit_ptr ++) | |
703 | { | |
704 | bit = plane_ptr[0]; | |
705 | ||
706 | bit0 = ((bit & 64) << 1) | ((bit & 16) << 2) | ((bit & 4) << 3) | ((bit & 1) << 4); | |
707 | bit1 = (bit & 128) | ((bit & 32) << 1) | ((bit & 8) << 2) | ((bit & 2) << 3); | |
708 | ||
709 | if (count > 1) | |
710 | { | |
711 | bit = plane_ptr[1]; | |
712 | ||
713 | bit0 |= (bit & 1) | ((bit & 4) >> 1) | ((bit & 16) >> 2) | ((bit & 64) >> 3); | |
714 | bit1 |= ((bit & 2) >> 1) | ((bit & 8) >> 2) | ((bit & 32) >> 3) | ((bit & 128) >> 4); | |
715 | } | |
716 | ||
717 | bit_ptr[0] = bit0; | |
718 | bit_ptr[bytes] = bit1; | |
719 | } | |
720 | ||
721 | /* | |
722 | * Send low and high bits... | |
723 | */ | |
724 | ||
725 | CompressData(BitBuffer, bytes, 'V', header->cupsCompression); | |
726 | CompressData(BitBuffer + bytes, bytes, plane < (NumPlanes - 1) ? 'V' : 'W', | |
727 | header->cupsCompression); | |
728 | } | |
729 | ||
730 | fflush(stdout); | |
731 | } | |
732 | ||
733 | ||
734 | /* | |
735 | * 'main()' - Main entry and processing of driver. | |
736 | */ | |
737 | ||
738 | int /* O - Exit status */ | |
739 | main(int argc, /* I - Number of command-line arguments */ | |
740 | char *argv[]) /* I - Command-line arguments */ | |
741 | { | |
742 | int fd; /* File descriptor */ | |
743 | cups_raster_t *ras; /* Raster stream for printing */ | |
744 | cups_page_header_t header; /* Page header from file */ | |
745 | int y; /* Current line */ | |
746 | ppd_file_t *ppd; /* PPD file */ | |
747 | ||
748 | ||
749 | /* | |
750 | * Make sure status messages are not buffered... | |
751 | */ | |
752 | ||
753 | setbuf(stderr, NULL); | |
754 | ||
755 | /* | |
756 | * Check command-line... | |
757 | */ | |
758 | ||
759 | if (argc < 6 || argc > 7) | |
760 | { | |
761 | /* | |
762 | * We don't have the correct number of arguments; write an error message | |
763 | * and return. | |
764 | */ | |
765 | ||
c0e1af83 | 766 | fprintf(stderr, _("Usage: %s job-id user title copies options [file]\n"), |
767 | argv[0]); | |
ef416fc2 | 768 | return (1); |
769 | } | |
770 | ||
771 | /* | |
772 | * Open the page stream... | |
773 | */ | |
774 | ||
775 | if (argc == 7) | |
776 | { | |
777 | if ((fd = open(argv[6], O_RDONLY)) == -1) | |
778 | { | |
779 | perror("ERROR: Unable to open raster file - "); | |
780 | sleep(1); | |
781 | return (1); | |
782 | } | |
783 | } | |
784 | else | |
785 | fd = 0; | |
786 | ||
787 | ras = cupsRasterOpen(fd, CUPS_RASTER_READ); | |
788 | ||
789 | /* | |
790 | * Initialize the print device... | |
791 | */ | |
792 | ||
793 | ppd = ppdOpenFile(getenv("PPD")); | |
794 | ||
795 | Setup(); | |
796 | ||
797 | /* | |
798 | * Process pages as needed... | |
799 | */ | |
800 | ||
801 | Page = 0; | |
802 | ||
803 | while (cupsRasterReadHeader(ras, &header)) | |
804 | { | |
805 | /* | |
806 | * Write a status message with the page number and number of copies. | |
807 | */ | |
808 | ||
809 | Page ++; | |
810 | ||
811 | fprintf(stderr, "PAGE: %d %d\n", Page, header.NumCopies); | |
812 | ||
813 | /* | |
814 | * Start the page... | |
815 | */ | |
816 | ||
817 | StartPage(ppd, &header); | |
818 | ||
819 | /* | |
820 | * Loop for each line on the page... | |
821 | */ | |
822 | ||
823 | for (y = 0; y < header.cupsHeight; y ++) | |
824 | { | |
825 | /* | |
826 | * Let the user know how far we have progressed... | |
827 | */ | |
828 | ||
829 | if ((y & 127) == 0) | |
c0e1af83 | 830 | fprintf(stderr, _("INFO: Printing page %d, %d%% complete...\n"), Page, |
ef416fc2 | 831 | 100 * y / header.cupsHeight); |
832 | ||
833 | /* | |
834 | * Read a line of graphics... | |
835 | */ | |
836 | ||
837 | if (cupsRasterReadPixels(ras, Planes[0], header.cupsBytesPerLine) < 1) | |
838 | break; | |
839 | ||
840 | /* | |
841 | * See if the line is blank; if not, write it to the printer... | |
842 | */ | |
843 | ||
844 | if (Planes[0][0] || | |
845 | memcmp(Planes[0], Planes[0] + 1, header.cupsBytesPerLine - 1)) | |
846 | OutputLine(&header); | |
847 | else | |
848 | Feed ++; | |
849 | } | |
850 | ||
851 | /* | |
852 | * Eject the page... | |
853 | */ | |
854 | ||
855 | EndPage(); | |
856 | } | |
857 | ||
858 | /* | |
859 | * Shutdown the printer... | |
860 | */ | |
861 | ||
862 | Shutdown(); | |
863 | ||
864 | if (ppd) | |
865 | ppdClose(ppd); | |
866 | ||
867 | /* | |
868 | * Close the raster stream... | |
869 | */ | |
870 | ||
871 | cupsRasterClose(ras); | |
872 | if (fd != 0) | |
873 | close(fd); | |
874 | ||
875 | /* | |
876 | * If no pages were printed, send an error message... | |
877 | */ | |
878 | ||
879 | if (Page == 0) | |
c0e1af83 | 880 | fputs(_("ERROR: No pages found!\n"), stderr); |
ef416fc2 | 881 | else |
c0e1af83 | 882 | fputs(_("INFO: Ready to print.\n"), stderr); |
ef416fc2 | 883 | |
884 | return (Page == 0); | |
885 | } | |
886 | ||
887 | ||
888 | /* | |
c0e1af83 | 889 | * End of "$Id: rastertohp.c 6420 2007-03-30 20:00:59Z mike $". |
ef416fc2 | 890 | */ |