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ef416fc2 | 1 | /* |
c07d5b2d | 2 | * "$Id: rastertoepson.c 177 2006-06-21 00:20:03Z jlovell $" |
ef416fc2 | 3 | * |
4 | * EPSON ESC/P and ESC/P2 filter for the Common UNIX Printing System | |
5 | * (CUPS). | |
6 | * | |
7 | * Copyright 1993-2005 by Easy Software Products. | |
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 | * CompressData() - Compress a line of graphics. | |
34 | * OutputLine() - Output a line of graphics. | |
35 | * main() - Main entry and processing of driver. | |
36 | */ | |
37 | ||
38 | /* | |
39 | * Include necessary headers... | |
40 | */ | |
41 | ||
42 | #include <cups/cups.h> | |
43 | #include <cups/ppd.h> | |
44 | #include <cups/string.h> | |
45 | #include "raster.h" | |
46 | #include <stdlib.h> | |
47 | #include <unistd.h> | |
48 | #include <fcntl.h> | |
49 | #include <signal.h> | |
50 | ||
51 | ||
52 | /* | |
53 | * Model numbers... | |
54 | */ | |
55 | ||
56 | #define EPSON_9PIN 0 | |
57 | #define EPSON_24PIN 1 | |
58 | #define EPSON_COLOR 2 | |
59 | #define EPSON_PHOTO 3 | |
60 | #define EPSON_ICOLOR 4 | |
61 | #define EPSON_IPHOTO 5 | |
62 | ||
63 | ||
64 | /* | |
65 | * Macros... | |
66 | */ | |
67 | ||
68 | #define pwrite(s,n) fwrite((s), 1, (n), stdout) | |
69 | ||
70 | ||
71 | /* | |
72 | * Globals... | |
73 | */ | |
74 | ||
75 | unsigned char *Planes[6], /* Output buffers */ | |
76 | *CompBuffer, /* Compression buffer */ | |
77 | *LineBuffers[2]; /* Line bitmap buffers */ | |
78 | int Model, /* Model number */ | |
79 | NumPlanes, /* Number of color planes */ | |
80 | Feed, /* Number of lines to skip */ | |
81 | EjectPage; /* Eject the page when done? */ | |
82 | int DotBit, /* Bit in buffers */ | |
83 | DotBytes, /* # bytes in a dot column */ | |
84 | DotColumns, /* # columns in 1/60 inch */ | |
85 | LineCount, /* # of lines processed */ | |
86 | EvenOffset, /* Offset into 'even' buffers */ | |
87 | OddOffset, /* Offset into 'odd' buffers */ | |
88 | Shingling; /* Shingle output? */ | |
89 | ||
90 | ||
91 | /* | |
92 | * Prototypes... | |
93 | */ | |
94 | ||
95 | void Setup(void); | |
96 | void StartPage(const ppd_file_t *ppd, const cups_page_header_t *header); | |
97 | void EndPage(const cups_page_header_t *header); | |
98 | void Shutdown(void); | |
99 | ||
100 | void CancelJob(int sig); | |
101 | void CompressData(const unsigned char *line, int length, int plane, | |
102 | int type, int xstep, int ystep); | |
103 | void OutputLine(const cups_page_header_t *header); | |
104 | void OutputRows(const cups_page_header_t *header, int row); | |
105 | ||
106 | ||
107 | /* | |
108 | * 'Setup()' - Prepare the printer for printing. | |
109 | */ | |
110 | ||
111 | void | |
112 | Setup(void) | |
113 | { | |
114 | const char *device_uri; /* The device for the printer... */ | |
115 | ||
116 | ||
117 | /* | |
118 | * EPSON USB printers need an additional command issued at the | |
119 | * beginning of each job to exit from "packet" mode... | |
120 | */ | |
121 | ||
122 | if ((device_uri = getenv("DEVICE_URI")) != NULL && | |
123 | strncmp(device_uri, "usb:", 4) == 0 && Model >= EPSON_ICOLOR) | |
124 | pwrite("\000\000\000\033\001@EJL 1284.4\n@EJL \n\033@", 29); | |
125 | } | |
126 | ||
127 | ||
128 | /* | |
129 | * 'StartPage()' - Start a page of graphics. | |
130 | */ | |
131 | ||
132 | void | |
133 | StartPage(const ppd_file_t *ppd, /* I - PPD file */ | |
134 | const cups_page_header_t *header) /* I - Page header */ | |
135 | { | |
136 | int n, t; /* Numbers */ | |
137 | int plane; /* Looping var */ | |
138 | #if defined(HAVE_SIGACTION) && !defined(HAVE_SIGSET) | |
139 | struct sigaction action; /* Actions for POSIX signals */ | |
140 | #endif /* HAVE_SIGACTION && !HAVE_SIGSET */ | |
141 | ||
142 | ||
143 | /* | |
144 | * Register a signal handler to eject the current page if the | |
145 | * job is cancelled. | |
146 | */ | |
147 | ||
148 | #ifdef HAVE_SIGSET /* Use System V signals over POSIX to avoid bugs */ | |
149 | sigset(SIGTERM, CancelJob); | |
150 | #elif defined(HAVE_SIGACTION) | |
151 | memset(&action, 0, sizeof(action)); | |
152 | ||
153 | sigemptyset(&action.sa_mask); | |
154 | action.sa_handler = CancelJob; | |
155 | sigaction(SIGTERM, &action, NULL); | |
156 | #else | |
157 | signal(SIGTERM, CancelJob); | |
158 | #endif /* HAVE_SIGSET */ | |
159 | ||
160 | /* | |
161 | * Send a reset sequence. | |
162 | */ | |
163 | ||
164 | if (ppd->nickname && strstr(ppd->nickname, "OKIDATA") != NULL) | |
165 | printf("\033{A"); /* Set EPSON emulation mode */ | |
166 | ||
167 | printf("\033@"); | |
168 | ||
169 | /* | |
170 | * See which type of printer we are using... | |
171 | */ | |
172 | ||
173 | EjectPage = header->Margins[0] || header->Margins[1]; | |
174 | ||
175 | switch (ppd->model_number) | |
176 | { | |
177 | case EPSON_9PIN : | |
178 | case EPSON_24PIN : | |
179 | printf("\033P\022"); /* Set 10 CPI */ | |
180 | ||
181 | if (header->HWResolution[0] == 360 || header->HWResolution[0] == 240) | |
182 | { | |
183 | printf("\033x1"); /* LQ printing */ | |
184 | printf("\033U1"); /* Unidirectional */ | |
185 | } | |
186 | else | |
187 | { | |
188 | printf("\033x0"); /* Draft printing */ | |
189 | printf("\033U0"); /* Bidirectional */ | |
190 | } | |
191 | ||
192 | printf("\033l%c\033Q%c", 0, /* Side margins */ | |
193 | (int)(10.0 * header->PageSize[0] / 72.0 + 0.5)); | |
194 | printf("\033C%c%c", 0, /* Page length */ | |
195 | (int)(header->PageSize[1] / 72.0 + 0.5)); | |
196 | printf("\033N%c", 0); /* Bottom margin */ | |
197 | printf("\033O"); /* No perforation skip */ | |
198 | ||
199 | /* | |
200 | * Setup various buffer limits... | |
201 | */ | |
202 | ||
203 | DotBytes = header->cupsRowCount / 8; | |
204 | DotColumns = header->HWResolution[0] / 60; | |
205 | Shingling = 0; | |
206 | ||
207 | if (ppd->model_number == EPSON_9PIN) | |
208 | printf("\033\063\030"); /* Set line feed */ | |
209 | else | |
210 | switch (header->HWResolution[0]) | |
211 | { | |
212 | case 60: | |
213 | case 120 : | |
214 | case 240 : | |
215 | printf("\033\063\030"); /* Set line feed */ | |
216 | break; | |
217 | ||
218 | case 180 : | |
219 | case 360 : | |
220 | Shingling = 1; | |
221 | ||
222 | if (header->HWResolution[1] == 180) | |
223 | printf("\033\063\010");/* Set line feed */ | |
224 | else | |
225 | printf("\033+\010"); /* Set line feed */ | |
226 | break; | |
227 | } | |
228 | break; | |
229 | ||
230 | default : | |
231 | /* | |
232 | * Set graphics mode... | |
233 | */ | |
234 | ||
235 | pwrite("\033(G\001\000\001", 6); /* Graphics mode */ | |
236 | ||
237 | /* | |
238 | * Set the media size... | |
239 | */ | |
240 | ||
241 | if (Model < EPSON_ICOLOR) | |
242 | { | |
243 | pwrite("\033(U\001\000", 5); /* Resolution/units */ | |
244 | putchar(3600 / header->HWResolution[1]); | |
245 | } | |
246 | else | |
247 | { | |
248 | pwrite("\033(U\005\000", 5); | |
249 | putchar(1440 / header->HWResolution[1]); | |
250 | putchar(1440 / header->HWResolution[1]); | |
251 | putchar(1440 / header->HWResolution[0]); | |
252 | putchar(0xa0); /* n/1440ths... */ | |
253 | putchar(0x05); | |
254 | } | |
255 | ||
256 | n = header->PageSize[1] * header->HWResolution[1] / 72.0; | |
257 | ||
258 | pwrite("\033(C\002\000", 5); /* Page length */ | |
259 | putchar(n); | |
260 | putchar(n >> 8); | |
261 | ||
262 | t = (ppd->sizes[1].length - ppd->sizes[1].top) * | |
263 | header->HWResolution[1] / 72.0; | |
264 | ||
265 | pwrite("\033(c\004\000", 5); /* Top & bottom margins */ | |
266 | putchar(t); | |
267 | putchar(t >> 8); | |
268 | putchar(n); | |
269 | putchar(n >> 8); | |
270 | ||
271 | if (header->HWResolution[1] == 720) | |
272 | { | |
273 | pwrite("\033(i\001\000\001", 6); /* Microweave */ | |
274 | pwrite("\033(e\002\000\000\001", 7); /* Small dots */ | |
275 | } | |
276 | ||
277 | pwrite("\033(V\002\000\000\000", 7); /* Set absolute position 0 */ | |
278 | ||
279 | DotBytes = 0; | |
280 | DotColumns = 0; | |
281 | Shingling = 0; | |
282 | break; | |
283 | } | |
284 | ||
285 | /* | |
286 | * Set other stuff... | |
287 | */ | |
288 | ||
289 | if (header->cupsColorSpace == CUPS_CSPACE_CMY) | |
290 | NumPlanes = 3; | |
291 | else if (header->cupsColorSpace == CUPS_CSPACE_KCMY) | |
292 | NumPlanes = 4; | |
293 | else if (header->cupsColorSpace == CUPS_CSPACE_KCMYcm) | |
294 | NumPlanes = 6; | |
295 | else | |
296 | NumPlanes = 1; | |
297 | ||
298 | Feed = 0; /* No blank lines yet */ | |
299 | ||
300 | /* | |
301 | * Allocate memory for a line/row of graphics... | |
302 | */ | |
303 | ||
304 | Planes[0] = malloc(header->cupsBytesPerLine); | |
305 | for (plane = 1; plane < NumPlanes; plane ++) | |
306 | Planes[plane] = Planes[0] + plane * header->cupsBytesPerLine / NumPlanes; | |
307 | ||
308 | if (header->cupsCompression || DotBytes) | |
309 | CompBuffer = calloc(2, header->cupsWidth); | |
310 | else | |
311 | CompBuffer = NULL; | |
312 | ||
313 | if (DotBytes) | |
314 | { | |
315 | LineBuffers[0] = calloc(DotBytes, header->cupsWidth * (Shingling + 1)); | |
316 | LineBuffers[1] = LineBuffers[0] + DotBytes * header->cupsWidth; | |
317 | DotBit = 128; | |
318 | LineCount = 0; | |
319 | EvenOffset = 0; | |
320 | OddOffset = 0; | |
321 | } | |
322 | } | |
323 | ||
324 | ||
325 | /* | |
326 | * 'EndPage()' - Finish a page of graphics. | |
327 | */ | |
328 | ||
329 | void | |
330 | EndPage(const cups_page_header_t *header) /* I - Page header */ | |
331 | { | |
332 | #if defined(HAVE_SIGACTION) && !defined(HAVE_SIGSET) | |
333 | struct sigaction action; /* Actions for POSIX signals */ | |
334 | #endif /* HAVE_SIGACTION && !HAVE_SIGSET */ | |
335 | ||
336 | ||
337 | if (DotBytes && header) | |
338 | { | |
339 | /* | |
340 | * Flush remaining graphics as needed... | |
341 | */ | |
342 | ||
343 | if (!Shingling) | |
344 | { | |
345 | if (DotBit < 128 || EvenOffset) | |
346 | OutputRows(header, 0); | |
347 | } | |
348 | else if (OddOffset > EvenOffset) | |
349 | { | |
350 | OutputRows(header, 1); | |
351 | OutputRows(header, 0); | |
352 | } | |
353 | else | |
354 | { | |
355 | OutputRows(header, 0); | |
356 | OutputRows(header, 1); | |
357 | } | |
358 | } | |
359 | ||
360 | /* | |
361 | * Eject the current page... | |
362 | */ | |
363 | ||
364 | if (EjectPage) | |
365 | putchar(12); /* Form feed */ | |
366 | fflush(stdout); | |
367 | ||
368 | /* | |
369 | * Unregister the signal handler... | |
370 | */ | |
371 | ||
372 | #ifdef HAVE_SIGSET /* Use System V signals over POSIX to avoid bugs */ | |
373 | sigset(SIGTERM, SIG_IGN); | |
374 | #elif defined(HAVE_SIGACTION) | |
375 | memset(&action, 0, sizeof(action)); | |
376 | ||
377 | sigemptyset(&action.sa_mask); | |
378 | action.sa_handler = SIG_IGN; | |
379 | sigaction(SIGTERM, &action, NULL); | |
380 | #else | |
381 | signal(SIGTERM, SIG_IGN); | |
382 | #endif /* HAVE_SIGSET */ | |
383 | ||
384 | /* | |
385 | * Free memory... | |
386 | */ | |
387 | ||
388 | free(Planes[0]); | |
389 | ||
390 | if (CompBuffer) | |
391 | free(CompBuffer); | |
392 | ||
393 | if (DotBytes) | |
394 | free(LineBuffers[0]); | |
395 | } | |
396 | ||
397 | ||
398 | /* | |
399 | * 'Shutdown()' - Shutdown the printer. | |
400 | */ | |
401 | ||
402 | void | |
403 | Shutdown(void) | |
404 | { | |
405 | /* | |
406 | * Send a reset sequence. | |
407 | */ | |
408 | ||
409 | printf("\033@"); | |
410 | } | |
411 | ||
412 | ||
413 | /* | |
414 | * 'CancelJob()' - Cancel the current job... | |
415 | */ | |
416 | ||
417 | void | |
418 | CancelJob(int sig) /* I - Signal */ | |
419 | { | |
420 | int i; /* Looping var */ | |
421 | ||
422 | ||
423 | (void)sig; | |
424 | ||
425 | /* | |
426 | * Send out lots of NUL bytes to clear out any pending raster data... | |
427 | */ | |
428 | ||
429 | if (DotBytes) | |
430 | i = DotBytes * 360 * 8; | |
431 | else | |
432 | i = 720; | |
433 | ||
434 | for (; i > 0; i --) | |
435 | putchar(0); | |
436 | ||
437 | /* | |
438 | * End the current page and exit... | |
439 | */ | |
440 | ||
441 | EndPage(NULL); | |
442 | Shutdown(); | |
443 | ||
444 | exit(0); | |
445 | } | |
446 | ||
447 | ||
448 | /* | |
449 | * 'CompressData()' - Compress a line of graphics. | |
450 | */ | |
451 | ||
452 | void | |
453 | CompressData(const unsigned char *line, /* I - Data to compress */ | |
454 | int length,/* I - Number of bytes */ | |
455 | int plane, /* I - Color plane */ | |
456 | int type, /* I - Type of compression */ | |
457 | int xstep, /* I - X resolution */ | |
458 | int ystep) /* I - Y resolution */ | |
459 | { | |
460 | const unsigned char *line_ptr, /* Current byte pointer */ | |
461 | *line_end, /* End-of-line byte pointer */ | |
462 | *start; /* Start of compression sequence */ | |
463 | unsigned char *comp_ptr, /* Pointer into compression buffer */ | |
464 | temp; /* Current byte */ | |
465 | int count; /* Count of bytes for output */ | |
466 | static int ctable[6] = { 0, 2, 1, 4, 18, 17 }; | |
467 | /* KCMYcm color values */ | |
468 | ||
469 | ||
470 | /* | |
471 | * Setup pointers... | |
472 | */ | |
473 | ||
474 | line_ptr = line; | |
475 | line_end = line + length; | |
476 | ||
477 | /* | |
478 | * Do depletion for 720 DPI printing... | |
479 | */ | |
480 | ||
481 | if (ystep == 5) | |
482 | { | |
483 | for (comp_ptr = (unsigned char *)line; comp_ptr < line_end;) | |
484 | { | |
485 | /* | |
486 | * Grab the current byte... | |
487 | */ | |
488 | ||
489 | temp = *comp_ptr; | |
490 | ||
491 | /* | |
492 | * Check adjacent bits... | |
493 | */ | |
494 | ||
495 | if ((temp & 0xc0) == 0xc0) | |
496 | temp &= 0xbf; | |
497 | if ((temp & 0x60) == 0x60) | |
498 | temp &= 0xdf; | |
499 | if ((temp & 0x30) == 0x30) | |
500 | temp &= 0xef; | |
501 | if ((temp & 0x18) == 0x18) | |
502 | temp &= 0xf7; | |
503 | if ((temp & 0x0c) == 0x0c) | |
504 | temp &= 0xfb; | |
505 | if ((temp & 0x06) == 0x06) | |
506 | temp &= 0xfd; | |
507 | if ((temp & 0x03) == 0x03) | |
508 | temp &= 0xfe; | |
509 | ||
510 | *comp_ptr++ = temp; | |
511 | ||
512 | /* | |
513 | * Check the last bit in the current byte and the first bit in the | |
514 | * next byte... | |
515 | */ | |
516 | ||
517 | if ((temp & 0x01) && comp_ptr < line_end && *comp_ptr & 0x80) | |
518 | *comp_ptr &= 0x7f; | |
519 | } | |
520 | } | |
521 | ||
522 | switch (type) | |
523 | { | |
524 | case 0 : | |
525 | /* | |
526 | * Do no compression... | |
527 | */ | |
528 | break; | |
529 | ||
530 | case 1 : | |
531 | /* | |
532 | * Do TIFF pack-bits encoding... | |
533 | */ | |
534 | ||
535 | comp_ptr = CompBuffer; | |
536 | ||
537 | while (line_ptr < line_end) | |
538 | { | |
539 | if ((line_ptr + 1) >= line_end) | |
540 | { | |
541 | /* | |
542 | * Single byte on the end... | |
543 | */ | |
544 | ||
545 | *comp_ptr++ = 0x00; | |
546 | *comp_ptr++ = *line_ptr++; | |
547 | } | |
548 | else if (line_ptr[0] == line_ptr[1]) | |
549 | { | |
550 | /* | |
551 | * Repeated sequence... | |
552 | */ | |
553 | ||
554 | line_ptr ++; | |
555 | count = 2; | |
556 | ||
557 | while (line_ptr < (line_end - 1) && | |
558 | line_ptr[0] == line_ptr[1] && | |
559 | count < 127) | |
560 | { | |
561 | line_ptr ++; | |
562 | count ++; | |
563 | } | |
564 | ||
565 | *comp_ptr++ = 257 - count; | |
566 | *comp_ptr++ = *line_ptr++; | |
567 | } | |
568 | else | |
569 | { | |
570 | /* | |
571 | * Non-repeated sequence... | |
572 | */ | |
573 | ||
574 | start = line_ptr; | |
575 | line_ptr ++; | |
576 | count = 1; | |
577 | ||
578 | while (line_ptr < (line_end - 1) && | |
579 | line_ptr[0] != line_ptr[1] && | |
580 | count < 127) | |
581 | { | |
582 | line_ptr ++; | |
583 | count ++; | |
584 | } | |
585 | ||
586 | *comp_ptr++ = count - 1; | |
587 | ||
588 | memcpy(comp_ptr, start, count); | |
589 | comp_ptr += count; | |
590 | } | |
591 | } | |
592 | ||
593 | line_ptr = CompBuffer; | |
594 | line_end = comp_ptr; | |
595 | break; | |
596 | } | |
597 | ||
598 | putchar(0x0d); /* Move print head to left margin */ | |
599 | ||
600 | if (Model < EPSON_ICOLOR) | |
601 | { | |
602 | /* | |
603 | * Do graphics the "old" way... | |
604 | */ | |
605 | ||
606 | if (NumPlanes > 1) | |
607 | { | |
608 | /* | |
609 | * Set the color... | |
610 | */ | |
611 | ||
612 | if (plane > 3) | |
613 | printf("\033(r%c%c%c%c", 2, 0, 1, ctable[plane] & 15); | |
614 | /* Set extended color */ | |
615 | else if (NumPlanes == 3) | |
616 | printf("\033r%c", ctable[plane + 1]); | |
617 | /* Set color */ | |
618 | else | |
619 | printf("\033r%c", ctable[plane]); /* Set color */ | |
620 | } | |
621 | ||
622 | /* | |
623 | * Send a raster plane... | |
624 | */ | |
625 | ||
626 | length *= 8; | |
627 | printf("\033."); /* Raster graphics */ | |
628 | putchar(type); | |
629 | putchar(ystep); | |
630 | putchar(xstep); | |
631 | putchar(1); | |
632 | putchar(length); | |
633 | putchar(length >> 8); | |
634 | } | |
635 | else | |
636 | { | |
637 | /* | |
638 | * Do graphics the "new" way... | |
639 | */ | |
640 | ||
641 | printf("\033i"); | |
642 | putchar(ctable[plane]); | |
643 | putchar(type); | |
644 | putchar(1); | |
645 | putchar(length & 255); | |
646 | putchar(length >> 8); | |
647 | putchar(1); | |
648 | putchar(0); | |
649 | } | |
650 | ||
651 | pwrite(line_ptr, line_end - line_ptr); | |
652 | fflush(stdout); | |
653 | } | |
654 | ||
655 | ||
656 | /* | |
657 | * 'OutputLine()' - Output a line of graphics. | |
658 | */ | |
659 | ||
660 | void | |
661 | OutputLine(const cups_page_header_t *header) /* I - Page header */ | |
662 | { | |
663 | if (header->cupsRowCount) | |
664 | { | |
665 | int width; | |
666 | unsigned char *tempptr, | |
667 | *evenptr, | |
668 | *oddptr; | |
669 | register int x; | |
670 | unsigned char bit; | |
671 | const unsigned char *pixel; | |
672 | unsigned char *temp; | |
673 | ||
674 | ||
675 | /* | |
676 | * Collect bitmap data in the line buffers and write after each buffer. | |
677 | */ | |
678 | ||
679 | for (x = header->cupsWidth, bit = 128, pixel = Planes[0], | |
680 | temp = CompBuffer; | |
681 | x > 0; | |
682 | x --, temp ++) | |
683 | { | |
684 | if (*pixel & bit) | |
685 | *temp |= DotBit; | |
686 | ||
687 | if (bit > 1) | |
688 | bit >>= 1; | |
689 | else | |
690 | { | |
691 | bit = 128; | |
692 | pixel ++; | |
693 | } | |
694 | } | |
695 | ||
696 | if (DotBit > 1) | |
697 | DotBit >>= 1; | |
698 | else | |
699 | { | |
700 | /* | |
701 | * Copy the holding buffer to the output buffer, shingling as necessary... | |
702 | */ | |
703 | ||
704 | if (Shingling && LineCount != 0) | |
705 | { | |
706 | /* | |
707 | * Shingle the output... | |
708 | */ | |
709 | ||
710 | if (LineCount & 1) | |
711 | { | |
712 | evenptr = LineBuffers[1] + OddOffset; | |
713 | oddptr = LineBuffers[0] + EvenOffset + DotBytes; | |
714 | } | |
715 | else | |
716 | { | |
717 | evenptr = LineBuffers[0] + EvenOffset; | |
718 | oddptr = LineBuffers[1] + OddOffset + DotBytes; | |
719 | } | |
720 | ||
721 | for (width = header->cupsWidth, tempptr = CompBuffer; | |
722 | width > 0; | |
723 | width -= 2, tempptr += 2, oddptr += DotBytes * 2, | |
724 | evenptr += DotBytes * 2) | |
725 | { | |
726 | evenptr[0] = tempptr[0]; | |
727 | oddptr[0] = tempptr[1]; | |
728 | } | |
729 | } | |
730 | else | |
731 | { | |
732 | /* | |
733 | * Don't shingle the output... | |
734 | */ | |
735 | ||
736 | for (width = header->cupsWidth, tempptr = CompBuffer, | |
737 | evenptr = LineBuffers[0] + EvenOffset; | |
738 | width > 0; | |
739 | width --, tempptr ++, evenptr += DotBytes) | |
740 | *evenptr = tempptr[0]; | |
741 | } | |
742 | ||
743 | if (Shingling && LineCount != 0) | |
744 | { | |
745 | EvenOffset ++; | |
746 | OddOffset ++; | |
747 | ||
748 | if (EvenOffset == DotBytes) | |
749 | { | |
750 | EvenOffset = 0; | |
751 | OutputRows(header, 0); | |
752 | } | |
753 | ||
754 | if (OddOffset == DotBytes) | |
755 | { | |
756 | OddOffset = 0; | |
757 | OutputRows(header, 1); | |
758 | } | |
759 | } | |
760 | else | |
761 | { | |
762 | EvenOffset ++; | |
763 | ||
764 | if (EvenOffset == DotBytes) | |
765 | { | |
766 | EvenOffset = 0; | |
767 | OutputRows(header, 0); | |
768 | } | |
769 | } | |
770 | ||
771 | DotBit = 128; | |
772 | LineCount ++; | |
773 | ||
774 | memset(CompBuffer, 0, header->cupsWidth); | |
775 | } | |
776 | } | |
777 | else | |
778 | { | |
779 | int plane; /* Current plane */ | |
780 | int bytes; /* Bytes per plane */ | |
781 | int xstep, ystep; /* X & Y resolutions */ | |
782 | ||
783 | ||
784 | /* | |
785 | * Write a single line of bitmap data as needed... | |
786 | */ | |
787 | ||
788 | xstep = 3600 / header->HWResolution[0]; | |
789 | ystep = 3600 / header->HWResolution[1]; | |
790 | bytes = header->cupsBytesPerLine / NumPlanes; | |
791 | ||
792 | for (plane = 0; plane < NumPlanes; plane ++) | |
793 | { | |
794 | /* | |
795 | * Skip blank data... | |
796 | */ | |
797 | ||
798 | if (!Planes[plane][0] && | |
799 | memcmp(Planes[plane], Planes[plane] + 1, bytes - 1) == 0) | |
800 | continue; | |
801 | ||
802 | /* | |
803 | * Output whitespace as needed... | |
804 | */ | |
805 | ||
806 | if (Feed > 0) | |
807 | { | |
808 | pwrite("\033(v\002\000", 5); /* Relative vertical position */ | |
809 | putchar(Feed); | |
810 | putchar(Feed >> 8); | |
811 | ||
812 | Feed = 0; | |
813 | } | |
814 | ||
815 | CompressData(Planes[plane], bytes, plane, header->cupsCompression, xstep, | |
816 | ystep); | |
817 | } | |
818 | ||
819 | Feed ++; | |
820 | } | |
821 | } | |
822 | ||
823 | ||
824 | /* | |
825 | * 'OutputRows()' - Output 8, 24, or 48 rows. | |
826 | */ | |
827 | ||
828 | void | |
829 | OutputRows(const cups_page_header_t *header, /* I - Page image header */ | |
830 | int row) /* I - Row number (0 or 1) */ | |
831 | { | |
832 | unsigned i, n; /* Looping vars */ | |
833 | int dot_count, /* Number of bytes to print */ | |
834 | dot_min; /* Minimum number of bytes */ | |
835 | unsigned char *dot_ptr, /* Pointer to print data */ | |
836 | *ptr; /* Current data */ | |
837 | ||
838 | ||
839 | dot_min = DotBytes * DotColumns; | |
840 | ||
841 | if (LineBuffers[row][0] != 0 || | |
842 | memcmp(LineBuffers[row], LineBuffers[row] + 1, | |
843 | header->cupsWidth * DotBytes - 1)) | |
844 | { | |
845 | /* | |
846 | * Skip leading space... | |
847 | */ | |
848 | ||
849 | i = 0; | |
850 | dot_count = header->cupsWidth * DotBytes; | |
851 | dot_ptr = LineBuffers[row]; | |
852 | ||
853 | while (dot_count >= dot_min && dot_ptr[0] == 0 && | |
854 | memcmp(dot_ptr, dot_ptr + 1, dot_min - 1) == 0) | |
855 | { | |
856 | i ++; | |
857 | dot_ptr += dot_min; | |
858 | dot_count -= dot_min; | |
859 | } | |
860 | ||
861 | /* | |
862 | * Skip trailing space... | |
863 | */ | |
864 | ||
865 | while (dot_count >= dot_min && dot_ptr[dot_count - dot_min] == 0 && | |
866 | memcmp(dot_ptr + dot_count - dot_min, | |
867 | dot_ptr + dot_count - dot_min + 1, dot_min - 1) == 0) | |
868 | dot_count -= dot_min; | |
869 | ||
870 | /* | |
871 | * Position print head for printing... | |
872 | */ | |
873 | ||
874 | if (i == 0) | |
875 | putchar('\r'); | |
876 | else | |
877 | { | |
878 | putchar(0x1b); | |
879 | putchar('$'); | |
880 | putchar(i & 255); | |
881 | putchar(i >> 8); | |
882 | } | |
883 | ||
884 | /* | |
885 | * Start bitmap graphics for this line... | |
886 | */ | |
887 | ||
888 | printf("\033*"); /* Select bit image */ | |
889 | switch (header->HWResolution[0]) | |
890 | { | |
891 | case 60 : /* 60x60/72 DPI gfx */ | |
892 | putchar(0); | |
893 | break; | |
894 | case 120 : /* 120x60/72 DPI gfx */ | |
895 | putchar(1); | |
896 | break; | |
897 | case 180 : /* 180 DPI gfx */ | |
898 | putchar(39); | |
899 | break; | |
900 | case 240 : /* 240x72 DPI gfx */ | |
901 | putchar(3); | |
902 | break; | |
903 | case 360 : /* 360x180/360 DPI gfx */ | |
904 | if (header->HWResolution[1] == 180) | |
905 | { | |
906 | if (Shingling && LineCount != 0) | |
907 | putchar(40); /* 360x180 fast */ | |
908 | else | |
909 | putchar(41); /* 360x180 slow */ | |
910 | } | |
911 | else | |
912 | { | |
913 | if (Shingling && LineCount != 0) | |
914 | putchar(72); /* 360x360 fast */ | |
915 | else | |
916 | putchar(73); /* 360x360 slow */ | |
917 | } | |
918 | break; | |
919 | } | |
920 | ||
921 | n = (unsigned)dot_count / DotBytes; | |
922 | putchar(n & 255); | |
923 | putchar(n / 256); | |
924 | ||
925 | /* | |
926 | * Write the graphics data... | |
927 | */ | |
928 | ||
929 | if (header->HWResolution[0] == 120 || | |
930 | header->HWResolution[0] == 240) | |
931 | { | |
932 | /* | |
933 | * Need to interleave the dots to avoid hosing the print head... | |
934 | */ | |
935 | ||
936 | for (n = dot_count / 2, ptr = dot_ptr; n > 0; n --, ptr += 2) | |
937 | { | |
938 | putchar(*ptr); | |
939 | putchar(0); | |
940 | } | |
941 | ||
942 | /* | |
943 | * Move the head back and print the odd bytes... | |
944 | */ | |
945 | ||
946 | if (i == 0) | |
947 | putchar('\r'); | |
948 | else | |
949 | { | |
950 | putchar(0x1b); | |
951 | putchar('$'); | |
952 | putchar(i & 255); | |
953 | putchar(i >> 8); | |
954 | } | |
955 | ||
956 | if (header->HWResolution[0] == 120) | |
957 | printf("\033*\001"); /* Select bit image */ | |
958 | else | |
959 | printf("\033*\003"); /* Select bit image */ | |
960 | ||
961 | n = (unsigned)dot_count / DotBytes; | |
962 | putchar(n & 255); | |
963 | putchar(n / 256); | |
964 | ||
965 | for (n = dot_count / 2, ptr = dot_ptr + 1; n > 0; n --, ptr += 2) | |
966 | { | |
967 | putchar(0); | |
968 | putchar(*ptr); | |
969 | } | |
970 | } | |
971 | else | |
972 | pwrite(dot_ptr, dot_count); | |
973 | } | |
974 | ||
975 | /* | |
976 | * Feed the paper... | |
977 | */ | |
978 | ||
979 | putchar('\n'); | |
980 | ||
981 | if (Shingling && row == 1) | |
982 | { | |
983 | if (header->HWResolution[1] == 360) | |
984 | printf("\n\n\n\n"); | |
985 | else | |
986 | printf("\n"); | |
987 | } | |
988 | ||
989 | fflush(stdout); | |
990 | ||
991 | /* | |
992 | * Clear the buffer... | |
993 | */ | |
994 | ||
995 | memset(LineBuffers[row], 0, header->cupsWidth * DotBytes); | |
996 | } | |
997 | ||
998 | ||
999 | /* | |
1000 | * 'main()' - Main entry and processing of driver. | |
1001 | */ | |
1002 | ||
1003 | int /* O - Exit status */ | |
1004 | main(int argc, /* I - Number of command-line arguments */ | |
1005 | char *argv[]) /* I - Command-line arguments */ | |
1006 | { | |
1007 | int fd; /* File descriptor */ | |
1008 | cups_raster_t *ras; /* Raster stream for printing */ | |
1009 | cups_page_header_t header; /* Page header from file */ | |
1010 | ppd_file_t *ppd; /* PPD file */ | |
1011 | int page; /* Current page */ | |
1012 | int y; /* Current line */ | |
1013 | ||
1014 | ||
1015 | /* | |
1016 | * Make sure status messages are not buffered... | |
1017 | */ | |
1018 | ||
1019 | setbuf(stderr, NULL); | |
1020 | ||
1021 | /* | |
1022 | * Check command-line... | |
1023 | */ | |
1024 | ||
1025 | if (argc < 6 || argc > 7) | |
1026 | { | |
1027 | /* | |
1028 | * We don't have the correct number of arguments; write an error message | |
1029 | * and return. | |
1030 | */ | |
1031 | ||
1032 | fputs("ERROR: rastertoepson job-id user title copies options [file]\n", stderr); | |
1033 | return (1); | |
1034 | } | |
1035 | ||
1036 | /* | |
1037 | * Open the page stream... | |
1038 | */ | |
1039 | ||
1040 | if (argc == 7) | |
1041 | { | |
1042 | if ((fd = open(argv[6], O_RDONLY)) == -1) | |
1043 | { | |
1044 | perror("ERROR: Unable to open raster file - "); | |
1045 | sleep(1); | |
1046 | return (1); | |
1047 | } | |
1048 | } | |
1049 | else | |
1050 | fd = 0; | |
1051 | ||
1052 | ras = cupsRasterOpen(fd, CUPS_RASTER_READ); | |
1053 | ||
1054 | /* | |
1055 | * Initialize the print device... | |
1056 | */ | |
1057 | ||
1058 | ppd = ppdOpenFile(getenv("PPD")); | |
1059 | if (ppd) | |
1060 | Model = ppd->model_number; | |
1061 | ||
1062 | Setup(); | |
1063 | ||
1064 | /* | |
1065 | * Process pages as needed... | |
1066 | */ | |
1067 | ||
1068 | page = 0; | |
1069 | ||
1070 | while (cupsRasterReadHeader(ras, &header)) | |
1071 | { | |
1072 | /* | |
1073 | * Write a status message with the page number and number of copies. | |
1074 | */ | |
1075 | ||
1076 | page ++; | |
1077 | ||
1078 | fprintf(stderr, "PAGE: %d %d\n", page, header.NumCopies); | |
1079 | ||
1080 | /* | |
1081 | * Start the page... | |
1082 | */ | |
1083 | ||
1084 | StartPage(ppd, &header); | |
1085 | ||
1086 | /* | |
1087 | * Loop for each line on the page... | |
1088 | */ | |
1089 | ||
1090 | for (y = 0; y < header.cupsHeight; y ++) | |
1091 | { | |
1092 | /* | |
1093 | * Let the user know how far we have progressed... | |
1094 | */ | |
1095 | ||
1096 | if ((y & 127) == 0) | |
1097 | fprintf(stderr, "INFO: Printing page %d, %d%% complete...\n", page, | |
1098 | 100 * y / header.cupsHeight); | |
1099 | ||
1100 | /* | |
1101 | * Read a line of graphics... | |
1102 | */ | |
1103 | ||
1104 | if (cupsRasterReadPixels(ras, Planes[0], header.cupsBytesPerLine) < 1) | |
1105 | break; | |
1106 | ||
1107 | /* | |
1108 | * Write it to the printer... | |
1109 | */ | |
1110 | ||
1111 | OutputLine(&header); | |
1112 | } | |
1113 | ||
1114 | /* | |
1115 | * Eject the page... | |
1116 | */ | |
1117 | ||
1118 | EndPage(&header); | |
1119 | } | |
1120 | ||
1121 | /* | |
1122 | * Shutdown the printer... | |
1123 | */ | |
1124 | ||
1125 | Shutdown(); | |
1126 | ||
1127 | ppdClose(ppd); | |
1128 | ||
1129 | /* | |
1130 | * Close the raster stream... | |
1131 | */ | |
1132 | ||
1133 | cupsRasterClose(ras); | |
1134 | if (fd != 0) | |
1135 | close(fd); | |
1136 | ||
1137 | /* | |
1138 | * If no pages were printed, send an error message... | |
1139 | */ | |
1140 | ||
1141 | if (page == 0) | |
1142 | fputs("ERROR: No pages found!\n", stderr); | |
1143 | else | |
1144 | fputs("INFO: " CUPS_SVERSION " is ready to print.\n", stderr); | |
1145 | ||
1146 | return (page == 0); | |
1147 | } | |
1148 | ||
1149 | ||
1150 | /* | |
c07d5b2d | 1151 | * End of "$Id: rastertoepson.c 177 2006-06-21 00:20:03Z jlovell $". |
ef416fc2 | 1152 | */ |