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ef416fc2 | 1 | /* |
b19ccc9e | 2 | * "$Id: rastertohp.c 7834 2008-08-04 21:02:09Z mike $" |
ef416fc2 | 3 | * |
71e16022 | 4 | * Hewlett-Packard Page Control Language filter for CUPS. |
ef416fc2 | 5 | * |
71e16022 | 6 | * Copyright 2007-2010 by Apple Inc. |
c0e1af83 | 7 | * Copyright 1993-2007 by Easy Software Products. |
ef416fc2 | 8 | * |
9 | * These coded instructions, statements, and computer programs are the | |
bc44d920 | 10 | * property of Apple Inc. and are protected by Federal copyright |
11 | * law. Distribution and use rights are outlined in the file "LICENSE.txt" | |
12 | * which should have been included with this file. If this file is | |
13 | * file is missing or damaged, see the license at "http://www.cups.org/". | |
ef416fc2 | 14 | * |
15 | * This file is subject to the Apple OS-Developed Software exception. | |
16 | * | |
17 | * Contents: | |
18 | * | |
19 | * Setup() - Prepare the printer for printing. | |
20 | * StartPage() - Start a page of graphics. | |
21 | * EndPage() - Finish a page of graphics. | |
22 | * Shutdown() - Shutdown the printer. | |
23 | * CancelJob() - Cancel the current job... | |
24 | * CompressData() - Compress a line of graphics. | |
25 | * OutputLine() - Output a line of graphics. | |
26 | * main() - Main entry and processing of driver. | |
27 | */ | |
28 | ||
29 | /* | |
30 | * Include necessary headers... | |
31 | */ | |
32 | ||
33 | #include <cups/cups.h> | |
71e16022 MS |
34 | #include <cups/string-private.h> |
35 | #include <cups/language-private.h> | |
ac884b6a | 36 | #include <cups/raster.h> |
ef416fc2 | 37 | #include <unistd.h> |
38 | #include <fcntl.h> | |
39 | #include <signal.h> | |
40 | ||
41 | ||
42 | /* | |
43 | * Globals... | |
44 | */ | |
45 | ||
46 | unsigned char *Planes[4], /* Output buffers */ | |
47 | *CompBuffer, /* Compression buffer */ | |
48 | *BitBuffer; /* Buffer for output bits */ | |
49 | int NumPlanes, /* Number of color planes */ | |
50 | ColorBits, /* Number of bits per color */ | |
51 | Feed, /* Number of lines to skip */ | |
52 | Duplex, /* Current duplex mode */ | |
839a51c8 MS |
53 | Page, /* Current page number */ |
54 | Canceled; /* Has the current job been canceled? */ | |
ef416fc2 | 55 | |
56 | ||
57 | /* | |
58 | * Prototypes... | |
59 | */ | |
60 | ||
61 | void Setup(void); | |
839a51c8 | 62 | void StartPage(ppd_file_t *ppd, cups_page_header2_t *header); |
ef416fc2 | 63 | void EndPage(void); |
64 | void Shutdown(void); | |
65 | ||
66 | void CancelJob(int sig); | |
67 | void CompressData(unsigned char *line, int length, int plane, int type); | |
839a51c8 | 68 | void OutputLine(cups_page_header2_t *header); |
ef416fc2 | 69 | |
70 | ||
71 | /* | |
72 | * 'Setup()' - Prepare the printer for printing. | |
73 | */ | |
74 | ||
75 | void | |
76 | Setup(void) | |
77 | { | |
78 | /* | |
79 | * Send a PCL reset sequence. | |
80 | */ | |
81 | ||
82 | putchar(0x1b); | |
83 | putchar('E'); | |
84 | } | |
85 | ||
86 | ||
87 | /* | |
88 | * 'StartPage()' - Start a page of graphics. | |
89 | */ | |
90 | ||
91 | void | |
92 | StartPage(ppd_file_t *ppd, /* I - PPD file */ | |
839a51c8 | 93 | cups_page_header2_t *header) /* I - Page header */ |
ef416fc2 | 94 | { |
95 | int plane; /* Looping var */ | |
ef416fc2 | 96 | |
97 | ||
ef416fc2 | 98 | /* |
99 | * Show page device dictionary... | |
100 | */ | |
101 | ||
102 | fprintf(stderr, "DEBUG: StartPage...\n"); | |
103 | fprintf(stderr, "DEBUG: MediaClass = \"%s\"\n", header->MediaClass); | |
104 | fprintf(stderr, "DEBUG: MediaColor = \"%s\"\n", header->MediaColor); | |
105 | fprintf(stderr, "DEBUG: MediaType = \"%s\"\n", header->MediaType); | |
106 | fprintf(stderr, "DEBUG: OutputType = \"%s\"\n", header->OutputType); | |
107 | ||
108 | fprintf(stderr, "DEBUG: AdvanceDistance = %d\n", header->AdvanceDistance); | |
109 | fprintf(stderr, "DEBUG: AdvanceMedia = %d\n", header->AdvanceMedia); | |
110 | fprintf(stderr, "DEBUG: Collate = %d\n", header->Collate); | |
111 | fprintf(stderr, "DEBUG: CutMedia = %d\n", header->CutMedia); | |
112 | fprintf(stderr, "DEBUG: Duplex = %d\n", header->Duplex); | |
113 | fprintf(stderr, "DEBUG: HWResolution = [ %d %d ]\n", header->HWResolution[0], | |
114 | header->HWResolution[1]); | |
115 | fprintf(stderr, "DEBUG: ImagingBoundingBox = [ %d %d %d %d ]\n", | |
116 | header->ImagingBoundingBox[0], header->ImagingBoundingBox[1], | |
117 | header->ImagingBoundingBox[2], header->ImagingBoundingBox[3]); | |
118 | fprintf(stderr, "DEBUG: InsertSheet = %d\n", header->InsertSheet); | |
119 | fprintf(stderr, "DEBUG: Jog = %d\n", header->Jog); | |
120 | fprintf(stderr, "DEBUG: LeadingEdge = %d\n", header->LeadingEdge); | |
121 | fprintf(stderr, "DEBUG: Margins = [ %d %d ]\n", header->Margins[0], | |
122 | header->Margins[1]); | |
123 | fprintf(stderr, "DEBUG: ManualFeed = %d\n", header->ManualFeed); | |
124 | fprintf(stderr, "DEBUG: MediaPosition = %d\n", header->MediaPosition); | |
125 | fprintf(stderr, "DEBUG: MediaWeight = %d\n", header->MediaWeight); | |
126 | fprintf(stderr, "DEBUG: MirrorPrint = %d\n", header->MirrorPrint); | |
127 | fprintf(stderr, "DEBUG: NegativePrint = %d\n", header->NegativePrint); | |
128 | fprintf(stderr, "DEBUG: NumCopies = %d\n", header->NumCopies); | |
129 | fprintf(stderr, "DEBUG: Orientation = %d\n", header->Orientation); | |
130 | fprintf(stderr, "DEBUG: OutputFaceUp = %d\n", header->OutputFaceUp); | |
131 | fprintf(stderr, "DEBUG: PageSize = [ %d %d ]\n", header->PageSize[0], | |
132 | header->PageSize[1]); | |
133 | fprintf(stderr, "DEBUG: Separations = %d\n", header->Separations); | |
134 | fprintf(stderr, "DEBUG: TraySwitch = %d\n", header->TraySwitch); | |
135 | fprintf(stderr, "DEBUG: Tumble = %d\n", header->Tumble); | |
136 | fprintf(stderr, "DEBUG: cupsWidth = %d\n", header->cupsWidth); | |
137 | fprintf(stderr, "DEBUG: cupsHeight = %d\n", header->cupsHeight); | |
138 | fprintf(stderr, "DEBUG: cupsMediaType = %d\n", header->cupsMediaType); | |
139 | fprintf(stderr, "DEBUG: cupsBitsPerColor = %d\n", header->cupsBitsPerColor); | |
140 | fprintf(stderr, "DEBUG: cupsBitsPerPixel = %d\n", header->cupsBitsPerPixel); | |
141 | fprintf(stderr, "DEBUG: cupsBytesPerLine = %d\n", header->cupsBytesPerLine); | |
142 | fprintf(stderr, "DEBUG: cupsColorOrder = %d\n", header->cupsColorOrder); | |
143 | fprintf(stderr, "DEBUG: cupsColorSpace = %d\n", header->cupsColorSpace); | |
144 | fprintf(stderr, "DEBUG: cupsCompression = %d\n", header->cupsCompression); | |
145 | ||
146 | /* | |
147 | * Setup printer/job attributes... | |
148 | */ | |
149 | ||
150 | Duplex = header->Duplex; | |
151 | ColorBits = header->cupsBitsPerColor; | |
152 | ||
153 | if ((!Duplex || (Page & 1)) && header->MediaPosition) | |
154 | printf("\033&l%dH", /* Set media position */ | |
155 | header->MediaPosition); | |
156 | ||
157 | if (Duplex && ppd && ppd->model_number == 2) | |
158 | { | |
159 | /* | |
160 | * Handle duplexing on new DeskJet printers... | |
161 | */ | |
162 | ||
163 | printf("\033&l-2H"); /* Load media */ | |
164 | ||
165 | if (Page & 1) | |
166 | printf("\033&l2S"); /* Set duplex mode */ | |
167 | } | |
168 | ||
169 | if (!Duplex || (Page & 1) || (ppd && ppd->model_number == 2)) | |
170 | { | |
171 | /* | |
172 | * Set the media size... | |
173 | */ | |
174 | ||
175 | printf("\033&l6D\033&k12H"); /* Set 6 LPI, 10 CPI */ | |
176 | printf("\033&l0O"); /* Set portrait orientation */ | |
177 | ||
178 | switch (header->PageSize[1]) | |
179 | { | |
180 | case 540 : /* Monarch Envelope */ | |
181 | printf("\033&l80A"); /* Set page size */ | |
182 | break; | |
183 | ||
ee571f26 MS |
184 | case 595 : /* A5 */ |
185 | printf("\033&l25A"); /* Set page size */ | |
186 | break; | |
187 | ||
ef416fc2 | 188 | case 624 : /* DL Envelope */ |
189 | printf("\033&l90A"); /* Set page size */ | |
190 | break; | |
191 | ||
192 | case 649 : /* C5 Envelope */ | |
193 | printf("\033&l91A"); /* Set page size */ | |
194 | break; | |
195 | ||
196 | case 684 : /* COM-10 Envelope */ | |
197 | printf("\033&l81A"); /* Set page size */ | |
198 | break; | |
199 | ||
200 | case 709 : /* B5 Envelope */ | |
201 | printf("\033&l100A"); /* Set page size */ | |
202 | break; | |
203 | ||
204 | case 756 : /* Executive */ | |
205 | printf("\033&l1A"); /* Set page size */ | |
206 | break; | |
207 | ||
208 | case 792 : /* Letter */ | |
209 | printf("\033&l2A"); /* Set page size */ | |
210 | break; | |
211 | ||
212 | case 842 : /* A4 */ | |
213 | printf("\033&l26A"); /* Set page size */ | |
214 | break; | |
215 | ||
216 | case 1008 : /* Legal */ | |
217 | printf("\033&l3A"); /* Set page size */ | |
218 | break; | |
219 | ||
220 | case 1191 : /* A3 */ | |
221 | printf("\033&l27A"); /* Set page size */ | |
222 | break; | |
223 | ||
224 | case 1224 : /* Tabloid */ | |
225 | printf("\033&l6A"); /* Set page size */ | |
226 | break; | |
227 | } | |
228 | ||
229 | printf("\033&l%dP", /* Set page length */ | |
230 | header->PageSize[1] / 12); | |
231 | printf("\033&l0E"); /* Set top margin to 0 */ | |
232 | } | |
233 | ||
234 | if (!Duplex || (Page & 1)) | |
235 | { | |
236 | /* | |
237 | * Set other job options... | |
238 | */ | |
239 | ||
240 | printf("\033&l%dX", header->NumCopies); /* Set number copies */ | |
241 | ||
242 | if (header->cupsMediaType && | |
243 | (!ppd || ppd->model_number != 2 || header->HWResolution[0] == 600)) | |
244 | printf("\033&l%dM", /* Set media type */ | |
245 | header->cupsMediaType); | |
246 | ||
247 | if (!ppd || ppd->model_number != 2) | |
248 | { | |
238c3832 | 249 | int mode = Duplex ? 1 + header->Tumble != 0 : 0; |
ef416fc2 | 250 | |
238c3832 | 251 | printf("\033&l%dS", mode); /* Set duplex mode */ |
ef416fc2 | 252 | printf("\033&l0L"); /* Turn off perforation skip */ |
253 | } | |
254 | } | |
255 | else if (!ppd || ppd->model_number != 2) | |
256 | printf("\033&a2G"); /* Set back side */ | |
257 | ||
258 | /* | |
259 | * Set graphics mode... | |
260 | */ | |
261 | ||
91c84a35 | 262 | if (ppd && ppd->model_number == 2) |
ef416fc2 | 263 | { |
264 | /* | |
265 | * Figure out the number of color planes... | |
266 | */ | |
267 | ||
268 | if (header->cupsColorSpace == CUPS_CSPACE_KCMY) | |
269 | NumPlanes = 4; | |
270 | else | |
271 | NumPlanes = 1; | |
272 | ||
273 | /* | |
274 | * Set the resolution and top-of-form... | |
275 | */ | |
276 | ||
277 | printf("\033&u%dD", header->HWResolution[0]); | |
278 | /* Resolution */ | |
279 | printf("\033&l0e0L"); /* Reset top and don't skip */ | |
280 | printf("\033*p0Y\033*p0X"); /* Set top of form */ | |
281 | ||
282 | /* | |
283 | * Send 26-byte configure image data command with horizontal and | |
284 | * vertical resolutions as well as a color count... | |
285 | */ | |
286 | ||
287 | printf("\033*g26W"); | |
288 | putchar(2); /* Format 2 */ | |
289 | putchar(NumPlanes); /* Output planes */ | |
290 | ||
291 | putchar(header->HWResolution[0] >> 8); /* Black resolution */ | |
292 | putchar(header->HWResolution[0]); | |
293 | putchar(header->HWResolution[1] >> 8); | |
294 | putchar(header->HWResolution[1]); | |
295 | putchar(0); | |
296 | putchar(1 << ColorBits); /* # of black levels */ | |
297 | ||
298 | putchar(header->HWResolution[0] >> 8); /* Cyan resolution */ | |
299 | putchar(header->HWResolution[0]); | |
300 | putchar(header->HWResolution[1] >> 8); | |
301 | putchar(header->HWResolution[1]); | |
302 | putchar(0); | |
303 | putchar(1 << ColorBits); /* # of cyan levels */ | |
304 | ||
305 | putchar(header->HWResolution[0] >> 8); /* Magenta resolution */ | |
306 | putchar(header->HWResolution[0]); | |
307 | putchar(header->HWResolution[1] >> 8); | |
308 | putchar(header->HWResolution[1]); | |
309 | putchar(0); | |
310 | putchar(1 << ColorBits); /* # of magenta levels */ | |
311 | ||
312 | putchar(header->HWResolution[0] >> 8); /* Yellow resolution */ | |
313 | putchar(header->HWResolution[0]); | |
314 | putchar(header->HWResolution[1] >> 8); | |
315 | putchar(header->HWResolution[1]); | |
316 | putchar(0); | |
317 | putchar(1 << ColorBits); /* # of yellow levels */ | |
318 | ||
319 | printf("\033&l0H"); /* Set media position */ | |
320 | } | |
321 | else | |
322 | { | |
323 | printf("\033*t%dR", header->HWResolution[0]); | |
324 | /* Set resolution */ | |
325 | ||
326 | if (header->cupsColorSpace == CUPS_CSPACE_KCMY) | |
327 | { | |
328 | NumPlanes = 4; | |
329 | printf("\033*r-4U"); /* Set KCMY graphics */ | |
330 | } | |
331 | else if (header->cupsColorSpace == CUPS_CSPACE_CMY) | |
332 | { | |
333 | NumPlanes = 3; | |
334 | printf("\033*r-3U"); /* Set CMY graphics */ | |
335 | } | |
336 | else | |
337 | NumPlanes = 1; /* Black&white graphics */ | |
338 | ||
339 | /* | |
340 | * Set size and position of graphics... | |
341 | */ | |
342 | ||
343 | printf("\033*r%dS", header->cupsWidth); /* Set width */ | |
344 | printf("\033*r%dT", header->cupsHeight); /* Set height */ | |
345 | ||
346 | printf("\033&a0H"); /* Set horizontal position */ | |
347 | ||
348 | if (ppd) | |
349 | printf("\033&a%.0fV", /* Set vertical position */ | |
350 | 10.0 * (ppd->sizes[0].length - ppd->sizes[0].top)); | |
351 | else | |
352 | printf("\033&a0V"); /* Set top-of-page */ | |
353 | } | |
354 | ||
355 | printf("\033*r1A"); /* Start graphics */ | |
356 | ||
357 | if (header->cupsCompression) | |
358 | printf("\033*b%dM", /* Set compression */ | |
359 | header->cupsCompression); | |
360 | ||
361 | Feed = 0; /* No blank lines yet */ | |
362 | ||
363 | /* | |
364 | * Allocate memory for a line of graphics... | |
365 | */ | |
366 | ||
91c84a35 MS |
367 | if ((Planes[0] = malloc(header->cupsBytesPerLine)) == NULL) |
368 | { | |
4d301e69 | 369 | fputs("ERROR: Unable to allocate memory\n", stderr); |
91c84a35 MS |
370 | exit(1); |
371 | } | |
372 | ||
ef416fc2 | 373 | for (plane = 1; plane < NumPlanes; plane ++) |
374 | Planes[plane] = Planes[0] + plane * header->cupsBytesPerLine / NumPlanes; | |
375 | ||
376 | if (ColorBits > 1) | |
377 | BitBuffer = malloc(ColorBits * ((header->cupsWidth + 7) / 8)); | |
378 | else | |
379 | BitBuffer = NULL; | |
380 | ||
381 | if (header->cupsCompression) | |
382 | CompBuffer = malloc(header->cupsBytesPerLine * 2); | |
383 | else | |
384 | CompBuffer = NULL; | |
385 | } | |
386 | ||
387 | ||
388 | /* | |
389 | * 'EndPage()' - Finish a page of graphics. | |
390 | */ | |
391 | ||
392 | void | |
393 | EndPage(void) | |
394 | { | |
ef416fc2 | 395 | /* |
396 | * Eject the current page... | |
397 | */ | |
398 | ||
399 | if (NumPlanes > 1) | |
400 | { | |
401 | printf("\033*rC"); /* End color GFX */ | |
402 | ||
403 | if (!(Duplex && (Page & 1))) | |
404 | printf("\033&l0H"); /* Eject current page */ | |
405 | } | |
406 | else | |
407 | { | |
408 | printf("\033*r0B"); /* End GFX */ | |
409 | ||
410 | if (!(Duplex && (Page & 1))) | |
411 | printf("\014"); /* Eject current page */ | |
412 | } | |
413 | ||
414 | fflush(stdout); | |
415 | ||
ef416fc2 | 416 | /* |
417 | * Free memory... | |
418 | */ | |
419 | ||
420 | free(Planes[0]); | |
421 | ||
422 | if (BitBuffer) | |
423 | free(BitBuffer); | |
424 | ||
425 | if (CompBuffer) | |
426 | free(CompBuffer); | |
427 | } | |
428 | ||
429 | ||
430 | /* | |
431 | * 'Shutdown()' - Shutdown the printer. | |
432 | */ | |
433 | ||
434 | void | |
435 | Shutdown(void) | |
436 | { | |
437 | /* | |
438 | * Send a PCL reset sequence. | |
439 | */ | |
440 | ||
441 | putchar(0x1b); | |
442 | putchar('E'); | |
443 | } | |
444 | ||
445 | ||
446 | /* | |
447 | * 'CancelJob()' - Cancel the current job... | |
448 | */ | |
449 | ||
450 | void | |
451 | CancelJob(int sig) /* I - Signal */ | |
452 | { | |
ef416fc2 | 453 | (void)sig; |
454 | ||
839a51c8 | 455 | Canceled = 1; |
ef416fc2 | 456 | } |
457 | ||
458 | ||
459 | /* | |
460 | * 'CompressData()' - Compress a line of graphics. | |
461 | */ | |
462 | ||
463 | void | |
464 | CompressData(unsigned char *line, /* I - Data to compress */ | |
465 | int length, /* I - Number of bytes */ | |
466 | int plane, /* I - Color plane */ | |
467 | int type) /* I - Type of compression */ | |
468 | { | |
469 | unsigned char *line_ptr, /* Current byte pointer */ | |
470 | *line_end, /* End-of-line byte pointer */ | |
471 | *comp_ptr, /* Pointer into compression buffer */ | |
472 | *start; /* Start of compression sequence */ | |
473 | int count; /* Count of bytes for output */ | |
474 | ||
475 | ||
476 | switch (type) | |
477 | { | |
478 | default : | |
479 | /* | |
480 | * Do no compression... | |
481 | */ | |
482 | ||
483 | line_ptr = line; | |
484 | line_end = line + length; | |
485 | break; | |
486 | ||
487 | case 1 : | |
488 | /* | |
489 | * Do run-length encoding... | |
490 | */ | |
491 | ||
492 | line_end = line + length; | |
493 | for (line_ptr = line, comp_ptr = CompBuffer; | |
494 | line_ptr < line_end; | |
495 | comp_ptr += 2, line_ptr += count) | |
496 | { | |
497 | for (count = 1; | |
498 | (line_ptr + count) < line_end && | |
499 | line_ptr[0] == line_ptr[count] && | |
500 | count < 256; | |
501 | count ++); | |
502 | ||
503 | comp_ptr[0] = count - 1; | |
504 | comp_ptr[1] = line_ptr[0]; | |
505 | } | |
506 | ||
507 | line_ptr = CompBuffer; | |
508 | line_end = comp_ptr; | |
509 | break; | |
510 | ||
511 | case 2 : | |
512 | /* | |
513 | * Do TIFF pack-bits encoding... | |
514 | */ | |
515 | ||
516 | line_ptr = line; | |
517 | line_end = line + length; | |
518 | comp_ptr = CompBuffer; | |
519 | ||
520 | while (line_ptr < line_end) | |
521 | { | |
522 | if ((line_ptr + 1) >= line_end) | |
523 | { | |
524 | /* | |
525 | * Single byte on the end... | |
526 | */ | |
527 | ||
528 | *comp_ptr++ = 0x00; | |
529 | *comp_ptr++ = *line_ptr++; | |
530 | } | |
531 | else if (line_ptr[0] == line_ptr[1]) | |
532 | { | |
533 | /* | |
534 | * Repeated sequence... | |
535 | */ | |
536 | ||
537 | line_ptr ++; | |
538 | count = 2; | |
539 | ||
540 | while (line_ptr < (line_end - 1) && | |
541 | line_ptr[0] == line_ptr[1] && | |
542 | count < 127) | |
543 | { | |
544 | line_ptr ++; | |
545 | count ++; | |
546 | } | |
547 | ||
548 | *comp_ptr++ = 257 - count; | |
549 | *comp_ptr++ = *line_ptr++; | |
550 | } | |
551 | else | |
552 | { | |
553 | /* | |
554 | * Non-repeated sequence... | |
555 | */ | |
556 | ||
557 | start = line_ptr; | |
558 | line_ptr ++; | |
559 | count = 1; | |
560 | ||
561 | while (line_ptr < (line_end - 1) && | |
562 | line_ptr[0] != line_ptr[1] && | |
563 | count < 127) | |
564 | { | |
565 | line_ptr ++; | |
566 | count ++; | |
567 | } | |
568 | ||
569 | *comp_ptr++ = count - 1; | |
570 | ||
571 | memcpy(comp_ptr, start, count); | |
572 | comp_ptr += count; | |
573 | } | |
574 | } | |
575 | ||
576 | line_ptr = CompBuffer; | |
577 | line_end = comp_ptr; | |
578 | break; | |
579 | } | |
580 | ||
581 | /* | |
582 | * Set the length of the data and write a raster plane... | |
583 | */ | |
584 | ||
585 | printf("\033*b%d%c", (int)(line_end - line_ptr), plane); | |
586 | fwrite(line_ptr, line_end - line_ptr, 1, stdout); | |
587 | } | |
588 | ||
589 | ||
590 | /* | |
591 | * 'OutputLine()' - Output a line of graphics. | |
592 | */ | |
593 | ||
594 | void | |
839a51c8 | 595 | OutputLine(cups_page_header2_t *header) /* I - Page header */ |
ef416fc2 | 596 | { |
597 | int plane, /* Current plane */ | |
598 | bytes, /* Bytes to write */ | |
599 | count; /* Bytes to convert */ | |
600 | unsigned char bit, /* Current plane data */ | |
601 | bit0, /* Current low bit data */ | |
602 | bit1, /* Current high bit data */ | |
603 | *plane_ptr, /* Pointer into Planes */ | |
604 | *bit_ptr; /* Pointer into BitBuffer */ | |
605 | ||
606 | ||
607 | /* | |
608 | * Output whitespace as needed... | |
609 | */ | |
610 | ||
611 | if (Feed > 0) | |
612 | { | |
613 | printf("\033*b%dY", Feed); | |
614 | Feed = 0; | |
615 | } | |
616 | ||
617 | /* | |
618 | * Write bitmap data as needed... | |
619 | */ | |
620 | ||
621 | bytes = (header->cupsWidth + 7) / 8; | |
622 | ||
623 | for (plane = 0; plane < NumPlanes; plane ++) | |
624 | if (ColorBits == 1) | |
625 | { | |
626 | /* | |
627 | * Send bits as-is... | |
628 | */ | |
629 | ||
630 | CompressData(Planes[plane], bytes, plane < (NumPlanes - 1) ? 'V' : 'W', | |
631 | header->cupsCompression); | |
632 | } | |
633 | else | |
634 | { | |
635 | /* | |
636 | * Separate low and high bit data into separate buffers. | |
637 | */ | |
638 | ||
639 | for (count = header->cupsBytesPerLine / NumPlanes, | |
640 | plane_ptr = Planes[plane], bit_ptr = BitBuffer; | |
641 | count > 0; | |
642 | count -= 2, plane_ptr += 2, bit_ptr ++) | |
643 | { | |
644 | bit = plane_ptr[0]; | |
645 | ||
646 | bit0 = ((bit & 64) << 1) | ((bit & 16) << 2) | ((bit & 4) << 3) | ((bit & 1) << 4); | |
647 | bit1 = (bit & 128) | ((bit & 32) << 1) | ((bit & 8) << 2) | ((bit & 2) << 3); | |
648 | ||
649 | if (count > 1) | |
650 | { | |
651 | bit = plane_ptr[1]; | |
652 | ||
653 | bit0 |= (bit & 1) | ((bit & 4) >> 1) | ((bit & 16) >> 2) | ((bit & 64) >> 3); | |
654 | bit1 |= ((bit & 2) >> 1) | ((bit & 8) >> 2) | ((bit & 32) >> 3) | ((bit & 128) >> 4); | |
655 | } | |
656 | ||
657 | bit_ptr[0] = bit0; | |
658 | bit_ptr[bytes] = bit1; | |
659 | } | |
660 | ||
661 | /* | |
662 | * Send low and high bits... | |
663 | */ | |
664 | ||
665 | CompressData(BitBuffer, bytes, 'V', header->cupsCompression); | |
666 | CompressData(BitBuffer + bytes, bytes, plane < (NumPlanes - 1) ? 'V' : 'W', | |
667 | header->cupsCompression); | |
668 | } | |
669 | ||
670 | fflush(stdout); | |
671 | } | |
672 | ||
673 | ||
674 | /* | |
675 | * 'main()' - Main entry and processing of driver. | |
676 | */ | |
677 | ||
839a51c8 MS |
678 | int /* O - Exit status */ |
679 | main(int argc, /* I - Number of command-line arguments */ | |
680 | char *argv[]) /* I - Command-line arguments */ | |
ef416fc2 | 681 | { |
839a51c8 MS |
682 | int fd; /* File descriptor */ |
683 | cups_raster_t *ras; /* Raster stream for printing */ | |
684 | cups_page_header2_t header; /* Page header from file */ | |
685 | int y; /* Current line */ | |
686 | ppd_file_t *ppd; /* PPD file */ | |
687 | #if defined(HAVE_SIGACTION) && !defined(HAVE_SIGSET) | |
688 | struct sigaction action; /* Actions for POSIX signals */ | |
689 | #endif /* HAVE_SIGACTION && !HAVE_SIGSET */ | |
ef416fc2 | 690 | |
691 | ||
692 | /* | |
693 | * Make sure status messages are not buffered... | |
694 | */ | |
695 | ||
696 | setbuf(stderr, NULL); | |
697 | ||
698 | /* | |
699 | * Check command-line... | |
700 | */ | |
701 | ||
702 | if (argc < 6 || argc > 7) | |
703 | { | |
704 | /* | |
705 | * We don't have the correct number of arguments; write an error message | |
706 | * and return. | |
707 | */ | |
708 | ||
f0ab5bff MS |
709 | _cupsLangPrintf(stderr, |
710 | _("Usage: %s job-id user title copies options [file]\n"), | |
711 | "rastertohp"); | |
ef416fc2 | 712 | return (1); |
713 | } | |
714 | ||
715 | /* | |
716 | * Open the page stream... | |
717 | */ | |
718 | ||
719 | if (argc == 7) | |
720 | { | |
721 | if ((fd = open(argv[6], O_RDONLY)) == -1) | |
722 | { | |
f0ab5bff MS |
723 | _cupsLangPrintf(stderr, _("ERROR: Unable to open raster file - %s\n"), |
724 | strerror(errno)); | |
ef416fc2 | 725 | sleep(1); |
726 | return (1); | |
727 | } | |
728 | } | |
729 | else | |
730 | fd = 0; | |
731 | ||
732 | ras = cupsRasterOpen(fd, CUPS_RASTER_READ); | |
733 | ||
839a51c8 MS |
734 | /* |
735 | * Register a signal handler to eject the current page if the | |
736 | * job is cancelled. | |
737 | */ | |
738 | ||
739 | Canceled = 0; | |
740 | ||
741 | #ifdef HAVE_SIGSET /* Use System V signals over POSIX to avoid bugs */ | |
742 | sigset(SIGTERM, CancelJob); | |
743 | #elif defined(HAVE_SIGACTION) | |
744 | memset(&action, 0, sizeof(action)); | |
745 | ||
746 | sigemptyset(&action.sa_mask); | |
747 | action.sa_handler = CancelJob; | |
748 | sigaction(SIGTERM, &action, NULL); | |
749 | #else | |
750 | signal(SIGTERM, CancelJob); | |
751 | #endif /* HAVE_SIGSET */ | |
752 | ||
ef416fc2 | 753 | /* |
754 | * Initialize the print device... | |
755 | */ | |
756 | ||
757 | ppd = ppdOpenFile(getenv("PPD")); | |
758 | ||
759 | Setup(); | |
760 | ||
761 | /* | |
762 | * Process pages as needed... | |
763 | */ | |
764 | ||
765 | Page = 0; | |
766 | ||
839a51c8 | 767 | while (cupsRasterReadHeader2(ras, &header)) |
ef416fc2 | 768 | { |
769 | /* | |
770 | * Write a status message with the page number and number of copies. | |
771 | */ | |
772 | ||
839a51c8 MS |
773 | if (Canceled) |
774 | break; | |
775 | ||
ef416fc2 | 776 | Page ++; |
777 | ||
778 | fprintf(stderr, "PAGE: %d %d\n", Page, header.NumCopies); | |
779 | ||
780 | /* | |
781 | * Start the page... | |
782 | */ | |
783 | ||
784 | StartPage(ppd, &header); | |
785 | ||
786 | /* | |
787 | * Loop for each line on the page... | |
788 | */ | |
789 | ||
790 | for (y = 0; y < header.cupsHeight; y ++) | |
791 | { | |
792 | /* | |
793 | * Let the user know how far we have progressed... | |
794 | */ | |
795 | ||
839a51c8 MS |
796 | if (Canceled) |
797 | break; | |
798 | ||
ef416fc2 | 799 | if ((y & 127) == 0) |
f0ab5bff MS |
800 | _cupsLangPrintf(stderr, _("INFO: Printing page %d, %d%% complete...\n"), |
801 | Page, 100 * y / header.cupsHeight); | |
ef416fc2 | 802 | |
803 | /* | |
804 | * Read a line of graphics... | |
805 | */ | |
806 | ||
807 | if (cupsRasterReadPixels(ras, Planes[0], header.cupsBytesPerLine) < 1) | |
808 | break; | |
809 | ||
810 | /* | |
811 | * See if the line is blank; if not, write it to the printer... | |
812 | */ | |
813 | ||
814 | if (Planes[0][0] || | |
815 | memcmp(Planes[0], Planes[0] + 1, header.cupsBytesPerLine - 1)) | |
816 | OutputLine(&header); | |
817 | else | |
818 | Feed ++; | |
819 | } | |
820 | ||
821 | /* | |
822 | * Eject the page... | |
823 | */ | |
824 | ||
825 | EndPage(); | |
839a51c8 MS |
826 | |
827 | if (Canceled) | |
828 | break; | |
ef416fc2 | 829 | } |
830 | ||
831 | /* | |
832 | * Shutdown the printer... | |
833 | */ | |
834 | ||
835 | Shutdown(); | |
836 | ||
837 | if (ppd) | |
838 | ppdClose(ppd); | |
839 | ||
840 | /* | |
841 | * Close the raster stream... | |
842 | */ | |
843 | ||
844 | cupsRasterClose(ras); | |
845 | if (fd != 0) | |
846 | close(fd); | |
847 | ||
848 | /* | |
849 | * If no pages were printed, send an error message... | |
850 | */ | |
851 | ||
852 | if (Page == 0) | |
f0ab5bff | 853 | { |
4d301e69 | 854 | _cupsLangPuts(stderr, _("ERROR: No pages found\n")); |
f0ab5bff MS |
855 | return (1); |
856 | } | |
ef416fc2 | 857 | else |
f0ab5bff MS |
858 | { |
859 | _cupsLangPuts(stderr, _("INFO: Ready to print.\n")); | |
860 | return (0); | |
861 | } | |
ef416fc2 | 862 | } |
863 | ||
864 | ||
865 | /* | |
b19ccc9e | 866 | * End of "$Id: rastertohp.c 7834 2008-08-04 21:02:09Z mike $". |
ef416fc2 | 867 | */ |