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ef416fc2 | 1 | /* |
bc44d920 | 2 | * "$Id: rastertoepson.c 6649 2007-07-11 21:46:42Z mike $" |
ef416fc2 | 3 | * |
4 | * EPSON ESC/P and ESC/P2 filter for the Common UNIX Printing System | |
5 | * (CUPS). | |
6 | * | |
bc44d920 | 7 | * Copyright 2007 by Apple Inc. |
c0e1af83 | 8 | * Copyright 1993-2007 by Easy Software Products. |
ef416fc2 | 9 | * |
10 | * These coded instructions, statements, and computer programs are the | |
bc44d920 | 11 | * property of Apple Inc. and are protected by Federal copyright |
12 | * law. Distribution and use rights are outlined in the file "LICENSE.txt" | |
13 | * which should have been included with this file. If this file is | |
14 | * file is missing or damaged, see the license at "http://www.cups.org/". | |
ef416fc2 | 15 | * |
16 | * This file is subject to the Apple OS-Developed Software exception. | |
17 | * | |
18 | * Contents: | |
19 | * | |
20 | * Setup() - Prepare the printer for printing. | |
21 | * StartPage() - Start a page of graphics. | |
22 | * EndPage() - Finish a page of graphics. | |
23 | * Shutdown() - Shutdown the printer. | |
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> | |
34 | #include <cups/ppd.h> | |
35 | #include <cups/string.h> | |
c0e1af83 | 36 | #include <cups/i18n.h> |
ef416fc2 | 37 | #include "raster.h" |
38 | #include <stdlib.h> | |
39 | #include <unistd.h> | |
40 | #include <fcntl.h> | |
41 | #include <signal.h> | |
42 | ||
43 | ||
44 | /* | |
45 | * Model numbers... | |
46 | */ | |
47 | ||
48 | #define EPSON_9PIN 0 | |
49 | #define EPSON_24PIN 1 | |
50 | #define EPSON_COLOR 2 | |
51 | #define EPSON_PHOTO 3 | |
52 | #define EPSON_ICOLOR 4 | |
53 | #define EPSON_IPHOTO 5 | |
54 | ||
55 | ||
56 | /* | |
57 | * Macros... | |
58 | */ | |
59 | ||
60 | #define pwrite(s,n) fwrite((s), 1, (n), stdout) | |
61 | ||
62 | ||
63 | /* | |
64 | * Globals... | |
65 | */ | |
66 | ||
67 | unsigned char *Planes[6], /* Output buffers */ | |
68 | *CompBuffer, /* Compression buffer */ | |
69 | *LineBuffers[2]; /* Line bitmap buffers */ | |
70 | int Model, /* Model number */ | |
71 | NumPlanes, /* Number of color planes */ | |
72 | Feed, /* Number of lines to skip */ | |
73 | EjectPage; /* Eject the page when done? */ | |
74 | int DotBit, /* Bit in buffers */ | |
75 | DotBytes, /* # bytes in a dot column */ | |
76 | DotColumns, /* # columns in 1/60 inch */ | |
77 | LineCount, /* # of lines processed */ | |
78 | EvenOffset, /* Offset into 'even' buffers */ | |
79 | OddOffset, /* Offset into 'odd' buffers */ | |
80 | Shingling; /* Shingle output? */ | |
81 | ||
82 | ||
83 | /* | |
84 | * Prototypes... | |
85 | */ | |
86 | ||
87 | void Setup(void); | |
88 | void StartPage(const ppd_file_t *ppd, const cups_page_header_t *header); | |
89 | void EndPage(const cups_page_header_t *header); | |
90 | void Shutdown(void); | |
91 | ||
92 | void CancelJob(int sig); | |
93 | void CompressData(const unsigned char *line, int length, int plane, | |
94 | int type, int xstep, int ystep); | |
95 | void OutputLine(const cups_page_header_t *header); | |
96 | void OutputRows(const cups_page_header_t *header, int row); | |
97 | ||
98 | ||
99 | /* | |
100 | * 'Setup()' - Prepare the printer for printing. | |
101 | */ | |
102 | ||
103 | void | |
104 | Setup(void) | |
105 | { | |
106 | const char *device_uri; /* The device for the printer... */ | |
107 | ||
108 | ||
109 | /* | |
110 | * EPSON USB printers need an additional command issued at the | |
111 | * beginning of each job to exit from "packet" mode... | |
112 | */ | |
113 | ||
114 | if ((device_uri = getenv("DEVICE_URI")) != NULL && | |
115 | strncmp(device_uri, "usb:", 4) == 0 && Model >= EPSON_ICOLOR) | |
116 | pwrite("\000\000\000\033\001@EJL 1284.4\n@EJL \n\033@", 29); | |
117 | } | |
118 | ||
119 | ||
120 | /* | |
121 | * 'StartPage()' - Start a page of graphics. | |
122 | */ | |
123 | ||
124 | void | |
125 | StartPage(const ppd_file_t *ppd, /* I - PPD file */ | |
126 | const cups_page_header_t *header) /* I - Page header */ | |
127 | { | |
128 | int n, t; /* Numbers */ | |
129 | int plane; /* Looping var */ | |
130 | #if defined(HAVE_SIGACTION) && !defined(HAVE_SIGSET) | |
131 | struct sigaction action; /* Actions for POSIX signals */ | |
132 | #endif /* HAVE_SIGACTION && !HAVE_SIGSET */ | |
133 | ||
134 | ||
135 | /* | |
136 | * Register a signal handler to eject the current page if the | |
137 | * job is cancelled. | |
138 | */ | |
139 | ||
140 | #ifdef HAVE_SIGSET /* Use System V signals over POSIX to avoid bugs */ | |
141 | sigset(SIGTERM, CancelJob); | |
142 | #elif defined(HAVE_SIGACTION) | |
143 | memset(&action, 0, sizeof(action)); | |
144 | ||
145 | sigemptyset(&action.sa_mask); | |
146 | action.sa_handler = CancelJob; | |
147 | sigaction(SIGTERM, &action, NULL); | |
148 | #else | |
149 | signal(SIGTERM, CancelJob); | |
150 | #endif /* HAVE_SIGSET */ | |
151 | ||
152 | /* | |
153 | * Send a reset sequence. | |
154 | */ | |
155 | ||
156 | if (ppd->nickname && strstr(ppd->nickname, "OKIDATA") != NULL) | |
157 | printf("\033{A"); /* Set EPSON emulation mode */ | |
158 | ||
159 | printf("\033@"); | |
160 | ||
161 | /* | |
162 | * See which type of printer we are using... | |
163 | */ | |
164 | ||
165 | EjectPage = header->Margins[0] || header->Margins[1]; | |
166 | ||
167 | switch (ppd->model_number) | |
168 | { | |
169 | case EPSON_9PIN : | |
170 | case EPSON_24PIN : | |
171 | printf("\033P\022"); /* Set 10 CPI */ | |
172 | ||
173 | if (header->HWResolution[0] == 360 || header->HWResolution[0] == 240) | |
174 | { | |
175 | printf("\033x1"); /* LQ printing */ | |
176 | printf("\033U1"); /* Unidirectional */ | |
177 | } | |
178 | else | |
179 | { | |
180 | printf("\033x0"); /* Draft printing */ | |
181 | printf("\033U0"); /* Bidirectional */ | |
182 | } | |
183 | ||
184 | printf("\033l%c\033Q%c", 0, /* Side margins */ | |
185 | (int)(10.0 * header->PageSize[0] / 72.0 + 0.5)); | |
186 | printf("\033C%c%c", 0, /* Page length */ | |
187 | (int)(header->PageSize[1] / 72.0 + 0.5)); | |
188 | printf("\033N%c", 0); /* Bottom margin */ | |
189 | printf("\033O"); /* No perforation skip */ | |
190 | ||
191 | /* | |
192 | * Setup various buffer limits... | |
193 | */ | |
194 | ||
195 | DotBytes = header->cupsRowCount / 8; | |
196 | DotColumns = header->HWResolution[0] / 60; | |
197 | Shingling = 0; | |
198 | ||
199 | if (ppd->model_number == EPSON_9PIN) | |
200 | printf("\033\063\030"); /* Set line feed */ | |
201 | else | |
202 | switch (header->HWResolution[0]) | |
203 | { | |
204 | case 60: | |
205 | case 120 : | |
206 | case 240 : | |
207 | printf("\033\063\030"); /* Set line feed */ | |
208 | break; | |
209 | ||
210 | case 180 : | |
211 | case 360 : | |
212 | Shingling = 1; | |
213 | ||
214 | if (header->HWResolution[1] == 180) | |
215 | printf("\033\063\010");/* Set line feed */ | |
216 | else | |
217 | printf("\033+\010"); /* Set line feed */ | |
218 | break; | |
219 | } | |
220 | break; | |
221 | ||
222 | default : | |
223 | /* | |
224 | * Set graphics mode... | |
225 | */ | |
226 | ||
227 | pwrite("\033(G\001\000\001", 6); /* Graphics mode */ | |
228 | ||
229 | /* | |
230 | * Set the media size... | |
231 | */ | |
232 | ||
233 | if (Model < EPSON_ICOLOR) | |
234 | { | |
235 | pwrite("\033(U\001\000", 5); /* Resolution/units */ | |
236 | putchar(3600 / header->HWResolution[1]); | |
237 | } | |
238 | else | |
239 | { | |
240 | pwrite("\033(U\005\000", 5); | |
241 | putchar(1440 / header->HWResolution[1]); | |
242 | putchar(1440 / header->HWResolution[1]); | |
243 | putchar(1440 / header->HWResolution[0]); | |
244 | putchar(0xa0); /* n/1440ths... */ | |
245 | putchar(0x05); | |
246 | } | |
247 | ||
248 | n = header->PageSize[1] * header->HWResolution[1] / 72.0; | |
249 | ||
250 | pwrite("\033(C\002\000", 5); /* Page length */ | |
251 | putchar(n); | |
252 | putchar(n >> 8); | |
253 | ||
254 | t = (ppd->sizes[1].length - ppd->sizes[1].top) * | |
255 | header->HWResolution[1] / 72.0; | |
256 | ||
257 | pwrite("\033(c\004\000", 5); /* Top & bottom margins */ | |
258 | putchar(t); | |
259 | putchar(t >> 8); | |
260 | putchar(n); | |
261 | putchar(n >> 8); | |
262 | ||
263 | if (header->HWResolution[1] == 720) | |
264 | { | |
265 | pwrite("\033(i\001\000\001", 6); /* Microweave */ | |
266 | pwrite("\033(e\002\000\000\001", 7); /* Small dots */ | |
267 | } | |
268 | ||
269 | pwrite("\033(V\002\000\000\000", 7); /* Set absolute position 0 */ | |
270 | ||
271 | DotBytes = 0; | |
272 | DotColumns = 0; | |
273 | Shingling = 0; | |
274 | break; | |
275 | } | |
276 | ||
277 | /* | |
278 | * Set other stuff... | |
279 | */ | |
280 | ||
281 | if (header->cupsColorSpace == CUPS_CSPACE_CMY) | |
282 | NumPlanes = 3; | |
283 | else if (header->cupsColorSpace == CUPS_CSPACE_KCMY) | |
284 | NumPlanes = 4; | |
285 | else if (header->cupsColorSpace == CUPS_CSPACE_KCMYcm) | |
286 | NumPlanes = 6; | |
287 | else | |
288 | NumPlanes = 1; | |
289 | ||
290 | Feed = 0; /* No blank lines yet */ | |
291 | ||
292 | /* | |
293 | * Allocate memory for a line/row of graphics... | |
294 | */ | |
295 | ||
296 | Planes[0] = malloc(header->cupsBytesPerLine); | |
297 | for (plane = 1; plane < NumPlanes; plane ++) | |
298 | Planes[plane] = Planes[0] + plane * header->cupsBytesPerLine / NumPlanes; | |
299 | ||
300 | if (header->cupsCompression || DotBytes) | |
301 | CompBuffer = calloc(2, header->cupsWidth); | |
302 | else | |
303 | CompBuffer = NULL; | |
304 | ||
305 | if (DotBytes) | |
306 | { | |
307 | LineBuffers[0] = calloc(DotBytes, header->cupsWidth * (Shingling + 1)); | |
308 | LineBuffers[1] = LineBuffers[0] + DotBytes * header->cupsWidth; | |
309 | DotBit = 128; | |
310 | LineCount = 0; | |
311 | EvenOffset = 0; | |
312 | OddOffset = 0; | |
313 | } | |
314 | } | |
315 | ||
316 | ||
317 | /* | |
318 | * 'EndPage()' - Finish a page of graphics. | |
319 | */ | |
320 | ||
321 | void | |
322 | EndPage(const cups_page_header_t *header) /* I - Page header */ | |
323 | { | |
324 | #if defined(HAVE_SIGACTION) && !defined(HAVE_SIGSET) | |
325 | struct sigaction action; /* Actions for POSIX signals */ | |
326 | #endif /* HAVE_SIGACTION && !HAVE_SIGSET */ | |
327 | ||
328 | ||
329 | if (DotBytes && header) | |
330 | { | |
331 | /* | |
332 | * Flush remaining graphics as needed... | |
333 | */ | |
334 | ||
335 | if (!Shingling) | |
336 | { | |
337 | if (DotBit < 128 || EvenOffset) | |
338 | OutputRows(header, 0); | |
339 | } | |
340 | else if (OddOffset > EvenOffset) | |
341 | { | |
342 | OutputRows(header, 1); | |
343 | OutputRows(header, 0); | |
344 | } | |
345 | else | |
346 | { | |
347 | OutputRows(header, 0); | |
348 | OutputRows(header, 1); | |
349 | } | |
350 | } | |
351 | ||
352 | /* | |
353 | * Eject the current page... | |
354 | */ | |
355 | ||
356 | if (EjectPage) | |
357 | putchar(12); /* Form feed */ | |
358 | fflush(stdout); | |
359 | ||
360 | /* | |
361 | * Unregister the signal handler... | |
362 | */ | |
363 | ||
364 | #ifdef HAVE_SIGSET /* Use System V signals over POSIX to avoid bugs */ | |
365 | sigset(SIGTERM, SIG_IGN); | |
366 | #elif defined(HAVE_SIGACTION) | |
367 | memset(&action, 0, sizeof(action)); | |
368 | ||
369 | sigemptyset(&action.sa_mask); | |
370 | action.sa_handler = SIG_IGN; | |
371 | sigaction(SIGTERM, &action, NULL); | |
372 | #else | |
373 | signal(SIGTERM, SIG_IGN); | |
374 | #endif /* HAVE_SIGSET */ | |
375 | ||
376 | /* | |
377 | * Free memory... | |
378 | */ | |
379 | ||
380 | free(Planes[0]); | |
381 | ||
382 | if (CompBuffer) | |
383 | free(CompBuffer); | |
384 | ||
385 | if (DotBytes) | |
386 | free(LineBuffers[0]); | |
387 | } | |
388 | ||
389 | ||
390 | /* | |
391 | * 'Shutdown()' - Shutdown the printer. | |
392 | */ | |
393 | ||
394 | void | |
395 | Shutdown(void) | |
396 | { | |
397 | /* | |
398 | * Send a reset sequence. | |
399 | */ | |
400 | ||
401 | printf("\033@"); | |
402 | } | |
403 | ||
404 | ||
405 | /* | |
406 | * 'CancelJob()' - Cancel the current job... | |
407 | */ | |
408 | ||
409 | void | |
410 | CancelJob(int sig) /* I - Signal */ | |
411 | { | |
412 | int i; /* Looping var */ | |
413 | ||
414 | ||
415 | (void)sig; | |
416 | ||
417 | /* | |
418 | * Send out lots of NUL bytes to clear out any pending raster data... | |
419 | */ | |
420 | ||
421 | if (DotBytes) | |
422 | i = DotBytes * 360 * 8; | |
423 | else | |
424 | i = 720; | |
425 | ||
426 | for (; i > 0; i --) | |
427 | putchar(0); | |
428 | ||
429 | /* | |
430 | * End the current page and exit... | |
431 | */ | |
432 | ||
433 | EndPage(NULL); | |
434 | Shutdown(); | |
435 | ||
436 | exit(0); | |
437 | } | |
438 | ||
439 | ||
440 | /* | |
441 | * 'CompressData()' - Compress a line of graphics. | |
442 | */ | |
443 | ||
444 | void | |
445 | CompressData(const unsigned char *line, /* I - Data to compress */ | |
446 | int length,/* I - Number of bytes */ | |
447 | int plane, /* I - Color plane */ | |
448 | int type, /* I - Type of compression */ | |
449 | int xstep, /* I - X resolution */ | |
450 | int ystep) /* I - Y resolution */ | |
451 | { | |
452 | const unsigned char *line_ptr, /* Current byte pointer */ | |
453 | *line_end, /* End-of-line byte pointer */ | |
454 | *start; /* Start of compression sequence */ | |
455 | unsigned char *comp_ptr, /* Pointer into compression buffer */ | |
456 | temp; /* Current byte */ | |
457 | int count; /* Count of bytes for output */ | |
458 | static int ctable[6] = { 0, 2, 1, 4, 18, 17 }; | |
459 | /* KCMYcm color values */ | |
460 | ||
461 | ||
462 | /* | |
463 | * Setup pointers... | |
464 | */ | |
465 | ||
466 | line_ptr = line; | |
467 | line_end = line + length; | |
468 | ||
469 | /* | |
470 | * Do depletion for 720 DPI printing... | |
471 | */ | |
472 | ||
473 | if (ystep == 5) | |
474 | { | |
475 | for (comp_ptr = (unsigned char *)line; comp_ptr < line_end;) | |
476 | { | |
477 | /* | |
478 | * Grab the current byte... | |
479 | */ | |
480 | ||
481 | temp = *comp_ptr; | |
482 | ||
483 | /* | |
484 | * Check adjacent bits... | |
485 | */ | |
486 | ||
487 | if ((temp & 0xc0) == 0xc0) | |
488 | temp &= 0xbf; | |
489 | if ((temp & 0x60) == 0x60) | |
490 | temp &= 0xdf; | |
491 | if ((temp & 0x30) == 0x30) | |
492 | temp &= 0xef; | |
493 | if ((temp & 0x18) == 0x18) | |
494 | temp &= 0xf7; | |
495 | if ((temp & 0x0c) == 0x0c) | |
496 | temp &= 0xfb; | |
497 | if ((temp & 0x06) == 0x06) | |
498 | temp &= 0xfd; | |
499 | if ((temp & 0x03) == 0x03) | |
500 | temp &= 0xfe; | |
501 | ||
502 | *comp_ptr++ = temp; | |
503 | ||
504 | /* | |
505 | * Check the last bit in the current byte and the first bit in the | |
506 | * next byte... | |
507 | */ | |
508 | ||
509 | if ((temp & 0x01) && comp_ptr < line_end && *comp_ptr & 0x80) | |
510 | *comp_ptr &= 0x7f; | |
511 | } | |
512 | } | |
513 | ||
514 | switch (type) | |
515 | { | |
516 | case 0 : | |
517 | /* | |
518 | * Do no compression... | |
519 | */ | |
520 | break; | |
521 | ||
522 | case 1 : | |
523 | /* | |
524 | * Do TIFF pack-bits encoding... | |
525 | */ | |
526 | ||
527 | comp_ptr = CompBuffer; | |
528 | ||
529 | while (line_ptr < line_end) | |
530 | { | |
531 | if ((line_ptr + 1) >= line_end) | |
532 | { | |
533 | /* | |
534 | * Single byte on the end... | |
535 | */ | |
536 | ||
537 | *comp_ptr++ = 0x00; | |
538 | *comp_ptr++ = *line_ptr++; | |
539 | } | |
540 | else if (line_ptr[0] == line_ptr[1]) | |
541 | { | |
542 | /* | |
543 | * Repeated sequence... | |
544 | */ | |
545 | ||
546 | line_ptr ++; | |
547 | count = 2; | |
548 | ||
549 | while (line_ptr < (line_end - 1) && | |
550 | line_ptr[0] == line_ptr[1] && | |
551 | count < 127) | |
552 | { | |
553 | line_ptr ++; | |
554 | count ++; | |
555 | } | |
556 | ||
557 | *comp_ptr++ = 257 - count; | |
558 | *comp_ptr++ = *line_ptr++; | |
559 | } | |
560 | else | |
561 | { | |
562 | /* | |
563 | * Non-repeated sequence... | |
564 | */ | |
565 | ||
566 | start = line_ptr; | |
567 | line_ptr ++; | |
568 | count = 1; | |
569 | ||
570 | while (line_ptr < (line_end - 1) && | |
571 | line_ptr[0] != line_ptr[1] && | |
572 | count < 127) | |
573 | { | |
574 | line_ptr ++; | |
575 | count ++; | |
576 | } | |
577 | ||
578 | *comp_ptr++ = count - 1; | |
579 | ||
580 | memcpy(comp_ptr, start, count); | |
581 | comp_ptr += count; | |
582 | } | |
583 | } | |
584 | ||
585 | line_ptr = CompBuffer; | |
586 | line_end = comp_ptr; | |
587 | break; | |
588 | } | |
589 | ||
590 | putchar(0x0d); /* Move print head to left margin */ | |
591 | ||
592 | if (Model < EPSON_ICOLOR) | |
593 | { | |
594 | /* | |
595 | * Do graphics the "old" way... | |
596 | */ | |
597 | ||
598 | if (NumPlanes > 1) | |
599 | { | |
600 | /* | |
601 | * Set the color... | |
602 | */ | |
603 | ||
604 | if (plane > 3) | |
605 | printf("\033(r%c%c%c%c", 2, 0, 1, ctable[plane] & 15); | |
606 | /* Set extended color */ | |
607 | else if (NumPlanes == 3) | |
608 | printf("\033r%c", ctable[plane + 1]); | |
609 | /* Set color */ | |
610 | else | |
611 | printf("\033r%c", ctable[plane]); /* Set color */ | |
612 | } | |
613 | ||
614 | /* | |
615 | * Send a raster plane... | |
616 | */ | |
617 | ||
618 | length *= 8; | |
619 | printf("\033."); /* Raster graphics */ | |
620 | putchar(type); | |
621 | putchar(ystep); | |
622 | putchar(xstep); | |
623 | putchar(1); | |
624 | putchar(length); | |
625 | putchar(length >> 8); | |
626 | } | |
627 | else | |
628 | { | |
629 | /* | |
630 | * Do graphics the "new" way... | |
631 | */ | |
632 | ||
633 | printf("\033i"); | |
634 | putchar(ctable[plane]); | |
635 | putchar(type); | |
636 | putchar(1); | |
637 | putchar(length & 255); | |
638 | putchar(length >> 8); | |
639 | putchar(1); | |
640 | putchar(0); | |
641 | } | |
642 | ||
643 | pwrite(line_ptr, line_end - line_ptr); | |
644 | fflush(stdout); | |
645 | } | |
646 | ||
647 | ||
648 | /* | |
649 | * 'OutputLine()' - Output a line of graphics. | |
650 | */ | |
651 | ||
652 | void | |
653 | OutputLine(const cups_page_header_t *header) /* I - Page header */ | |
654 | { | |
655 | if (header->cupsRowCount) | |
656 | { | |
657 | int width; | |
658 | unsigned char *tempptr, | |
659 | *evenptr, | |
660 | *oddptr; | |
661 | register int x; | |
662 | unsigned char bit; | |
663 | const unsigned char *pixel; | |
664 | unsigned char *temp; | |
665 | ||
666 | ||
667 | /* | |
668 | * Collect bitmap data in the line buffers and write after each buffer. | |
669 | */ | |
670 | ||
671 | for (x = header->cupsWidth, bit = 128, pixel = Planes[0], | |
672 | temp = CompBuffer; | |
673 | x > 0; | |
674 | x --, temp ++) | |
675 | { | |
676 | if (*pixel & bit) | |
677 | *temp |= DotBit; | |
678 | ||
679 | if (bit > 1) | |
680 | bit >>= 1; | |
681 | else | |
682 | { | |
683 | bit = 128; | |
684 | pixel ++; | |
685 | } | |
686 | } | |
687 | ||
688 | if (DotBit > 1) | |
689 | DotBit >>= 1; | |
690 | else | |
691 | { | |
692 | /* | |
693 | * Copy the holding buffer to the output buffer, shingling as necessary... | |
694 | */ | |
695 | ||
696 | if (Shingling && LineCount != 0) | |
697 | { | |
698 | /* | |
699 | * Shingle the output... | |
700 | */ | |
701 | ||
702 | if (LineCount & 1) | |
703 | { | |
704 | evenptr = LineBuffers[1] + OddOffset; | |
705 | oddptr = LineBuffers[0] + EvenOffset + DotBytes; | |
706 | } | |
707 | else | |
708 | { | |
709 | evenptr = LineBuffers[0] + EvenOffset; | |
710 | oddptr = LineBuffers[1] + OddOffset + DotBytes; | |
711 | } | |
712 | ||
713 | for (width = header->cupsWidth, tempptr = CompBuffer; | |
714 | width > 0; | |
715 | width -= 2, tempptr += 2, oddptr += DotBytes * 2, | |
716 | evenptr += DotBytes * 2) | |
717 | { | |
718 | evenptr[0] = tempptr[0]; | |
719 | oddptr[0] = tempptr[1]; | |
720 | } | |
721 | } | |
722 | else | |
723 | { | |
724 | /* | |
725 | * Don't shingle the output... | |
726 | */ | |
727 | ||
728 | for (width = header->cupsWidth, tempptr = CompBuffer, | |
729 | evenptr = LineBuffers[0] + EvenOffset; | |
730 | width > 0; | |
731 | width --, tempptr ++, evenptr += DotBytes) | |
732 | *evenptr = tempptr[0]; | |
733 | } | |
734 | ||
735 | if (Shingling && LineCount != 0) | |
736 | { | |
737 | EvenOffset ++; | |
738 | OddOffset ++; | |
739 | ||
740 | if (EvenOffset == DotBytes) | |
741 | { | |
742 | EvenOffset = 0; | |
743 | OutputRows(header, 0); | |
744 | } | |
745 | ||
746 | if (OddOffset == DotBytes) | |
747 | { | |
748 | OddOffset = 0; | |
749 | OutputRows(header, 1); | |
750 | } | |
751 | } | |
752 | else | |
753 | { | |
754 | EvenOffset ++; | |
755 | ||
756 | if (EvenOffset == DotBytes) | |
757 | { | |
758 | EvenOffset = 0; | |
759 | OutputRows(header, 0); | |
760 | } | |
761 | } | |
762 | ||
763 | DotBit = 128; | |
764 | LineCount ++; | |
765 | ||
766 | memset(CompBuffer, 0, header->cupsWidth); | |
767 | } | |
768 | } | |
769 | else | |
770 | { | |
771 | int plane; /* Current plane */ | |
772 | int bytes; /* Bytes per plane */ | |
773 | int xstep, ystep; /* X & Y resolutions */ | |
774 | ||
775 | ||
776 | /* | |
777 | * Write a single line of bitmap data as needed... | |
778 | */ | |
779 | ||
780 | xstep = 3600 / header->HWResolution[0]; | |
781 | ystep = 3600 / header->HWResolution[1]; | |
782 | bytes = header->cupsBytesPerLine / NumPlanes; | |
783 | ||
784 | for (plane = 0; plane < NumPlanes; plane ++) | |
785 | { | |
786 | /* | |
787 | * Skip blank data... | |
788 | */ | |
789 | ||
790 | if (!Planes[plane][0] && | |
791 | memcmp(Planes[plane], Planes[plane] + 1, bytes - 1) == 0) | |
792 | continue; | |
793 | ||
794 | /* | |
795 | * Output whitespace as needed... | |
796 | */ | |
797 | ||
798 | if (Feed > 0) | |
799 | { | |
800 | pwrite("\033(v\002\000", 5); /* Relative vertical position */ | |
801 | putchar(Feed); | |
802 | putchar(Feed >> 8); | |
803 | ||
804 | Feed = 0; | |
805 | } | |
806 | ||
807 | CompressData(Planes[plane], bytes, plane, header->cupsCompression, xstep, | |
808 | ystep); | |
809 | } | |
810 | ||
811 | Feed ++; | |
812 | } | |
813 | } | |
814 | ||
815 | ||
816 | /* | |
817 | * 'OutputRows()' - Output 8, 24, or 48 rows. | |
818 | */ | |
819 | ||
820 | void | |
821 | OutputRows(const cups_page_header_t *header, /* I - Page image header */ | |
822 | int row) /* I - Row number (0 or 1) */ | |
823 | { | |
824 | unsigned i, n; /* Looping vars */ | |
825 | int dot_count, /* Number of bytes to print */ | |
826 | dot_min; /* Minimum number of bytes */ | |
827 | unsigned char *dot_ptr, /* Pointer to print data */ | |
828 | *ptr; /* Current data */ | |
829 | ||
830 | ||
831 | dot_min = DotBytes * DotColumns; | |
832 | ||
833 | if (LineBuffers[row][0] != 0 || | |
834 | memcmp(LineBuffers[row], LineBuffers[row] + 1, | |
835 | header->cupsWidth * DotBytes - 1)) | |
836 | { | |
837 | /* | |
838 | * Skip leading space... | |
839 | */ | |
840 | ||
841 | i = 0; | |
842 | dot_count = header->cupsWidth * DotBytes; | |
843 | dot_ptr = LineBuffers[row]; | |
844 | ||
845 | while (dot_count >= dot_min && dot_ptr[0] == 0 && | |
846 | memcmp(dot_ptr, dot_ptr + 1, dot_min - 1) == 0) | |
847 | { | |
848 | i ++; | |
849 | dot_ptr += dot_min; | |
850 | dot_count -= dot_min; | |
851 | } | |
852 | ||
853 | /* | |
854 | * Skip trailing space... | |
855 | */ | |
856 | ||
857 | while (dot_count >= dot_min && dot_ptr[dot_count - dot_min] == 0 && | |
858 | memcmp(dot_ptr + dot_count - dot_min, | |
859 | dot_ptr + dot_count - dot_min + 1, dot_min - 1) == 0) | |
860 | dot_count -= dot_min; | |
861 | ||
862 | /* | |
863 | * Position print head for printing... | |
864 | */ | |
865 | ||
866 | if (i == 0) | |
867 | putchar('\r'); | |
868 | else | |
869 | { | |
870 | putchar(0x1b); | |
871 | putchar('$'); | |
872 | putchar(i & 255); | |
873 | putchar(i >> 8); | |
874 | } | |
875 | ||
876 | /* | |
877 | * Start bitmap graphics for this line... | |
878 | */ | |
879 | ||
880 | printf("\033*"); /* Select bit image */ | |
881 | switch (header->HWResolution[0]) | |
882 | { | |
883 | case 60 : /* 60x60/72 DPI gfx */ | |
884 | putchar(0); | |
885 | break; | |
886 | case 120 : /* 120x60/72 DPI gfx */ | |
887 | putchar(1); | |
888 | break; | |
889 | case 180 : /* 180 DPI gfx */ | |
890 | putchar(39); | |
891 | break; | |
892 | case 240 : /* 240x72 DPI gfx */ | |
893 | putchar(3); | |
894 | break; | |
895 | case 360 : /* 360x180/360 DPI gfx */ | |
896 | if (header->HWResolution[1] == 180) | |
897 | { | |
898 | if (Shingling && LineCount != 0) | |
899 | putchar(40); /* 360x180 fast */ | |
900 | else | |
901 | putchar(41); /* 360x180 slow */ | |
902 | } | |
903 | else | |
904 | { | |
905 | if (Shingling && LineCount != 0) | |
906 | putchar(72); /* 360x360 fast */ | |
907 | else | |
908 | putchar(73); /* 360x360 slow */ | |
909 | } | |
910 | break; | |
911 | } | |
912 | ||
913 | n = (unsigned)dot_count / DotBytes; | |
914 | putchar(n & 255); | |
915 | putchar(n / 256); | |
916 | ||
917 | /* | |
918 | * Write the graphics data... | |
919 | */ | |
920 | ||
921 | if (header->HWResolution[0] == 120 || | |
922 | header->HWResolution[0] == 240) | |
923 | { | |
924 | /* | |
925 | * Need to interleave the dots to avoid hosing the print head... | |
926 | */ | |
927 | ||
928 | for (n = dot_count / 2, ptr = dot_ptr; n > 0; n --, ptr += 2) | |
929 | { | |
930 | putchar(*ptr); | |
931 | putchar(0); | |
932 | } | |
933 | ||
934 | /* | |
935 | * Move the head back and print the odd bytes... | |
936 | */ | |
937 | ||
938 | if (i == 0) | |
939 | putchar('\r'); | |
940 | else | |
941 | { | |
942 | putchar(0x1b); | |
943 | putchar('$'); | |
944 | putchar(i & 255); | |
945 | putchar(i >> 8); | |
946 | } | |
947 | ||
948 | if (header->HWResolution[0] == 120) | |
949 | printf("\033*\001"); /* Select bit image */ | |
950 | else | |
951 | printf("\033*\003"); /* Select bit image */ | |
952 | ||
953 | n = (unsigned)dot_count / DotBytes; | |
954 | putchar(n & 255); | |
955 | putchar(n / 256); | |
956 | ||
957 | for (n = dot_count / 2, ptr = dot_ptr + 1; n > 0; n --, ptr += 2) | |
958 | { | |
959 | putchar(0); | |
960 | putchar(*ptr); | |
961 | } | |
962 | } | |
963 | else | |
964 | pwrite(dot_ptr, dot_count); | |
965 | } | |
966 | ||
967 | /* | |
968 | * Feed the paper... | |
969 | */ | |
970 | ||
971 | putchar('\n'); | |
972 | ||
973 | if (Shingling && row == 1) | |
974 | { | |
975 | if (header->HWResolution[1] == 360) | |
976 | printf("\n\n\n\n"); | |
977 | else | |
978 | printf("\n"); | |
979 | } | |
980 | ||
981 | fflush(stdout); | |
982 | ||
983 | /* | |
984 | * Clear the buffer... | |
985 | */ | |
986 | ||
987 | memset(LineBuffers[row], 0, header->cupsWidth * DotBytes); | |
988 | } | |
989 | ||
990 | ||
991 | /* | |
992 | * 'main()' - Main entry and processing of driver. | |
993 | */ | |
994 | ||
995 | int /* O - Exit status */ | |
996 | main(int argc, /* I - Number of command-line arguments */ | |
997 | char *argv[]) /* I - Command-line arguments */ | |
998 | { | |
999 | int fd; /* File descriptor */ | |
1000 | cups_raster_t *ras; /* Raster stream for printing */ | |
1001 | cups_page_header_t header; /* Page header from file */ | |
1002 | ppd_file_t *ppd; /* PPD file */ | |
1003 | int page; /* Current page */ | |
1004 | int y; /* Current line */ | |
1005 | ||
1006 | ||
1007 | /* | |
1008 | * Make sure status messages are not buffered... | |
1009 | */ | |
1010 | ||
1011 | setbuf(stderr, NULL); | |
1012 | ||
1013 | /* | |
1014 | * Check command-line... | |
1015 | */ | |
1016 | ||
1017 | if (argc < 6 || argc > 7) | |
1018 | { | |
1019 | /* | |
1020 | * We don't have the correct number of arguments; write an error message | |
1021 | * and return. | |
1022 | */ | |
1023 | ||
c0e1af83 | 1024 | fprintf(stderr, _("Usage: %s job-id user title copies options [file]\n"), |
1025 | argv[0]); | |
ef416fc2 | 1026 | return (1); |
1027 | } | |
1028 | ||
1029 | /* | |
1030 | * Open the page stream... | |
1031 | */ | |
1032 | ||
1033 | if (argc == 7) | |
1034 | { | |
1035 | if ((fd = open(argv[6], O_RDONLY)) == -1) | |
1036 | { | |
1037 | perror("ERROR: Unable to open raster file - "); | |
1038 | sleep(1); | |
1039 | return (1); | |
1040 | } | |
1041 | } | |
1042 | else | |
1043 | fd = 0; | |
1044 | ||
1045 | ras = cupsRasterOpen(fd, CUPS_RASTER_READ); | |
1046 | ||
1047 | /* | |
1048 | * Initialize the print device... | |
1049 | */ | |
1050 | ||
1051 | ppd = ppdOpenFile(getenv("PPD")); | |
1052 | if (ppd) | |
1053 | Model = ppd->model_number; | |
1054 | ||
1055 | Setup(); | |
1056 | ||
1057 | /* | |
1058 | * Process pages as needed... | |
1059 | */ | |
1060 | ||
1061 | page = 0; | |
1062 | ||
1063 | while (cupsRasterReadHeader(ras, &header)) | |
1064 | { | |
1065 | /* | |
1066 | * Write a status message with the page number and number of copies. | |
1067 | */ | |
1068 | ||
1069 | page ++; | |
1070 | ||
1071 | fprintf(stderr, "PAGE: %d %d\n", page, header.NumCopies); | |
1072 | ||
1073 | /* | |
1074 | * Start the page... | |
1075 | */ | |
1076 | ||
1077 | StartPage(ppd, &header); | |
1078 | ||
1079 | /* | |
1080 | * Loop for each line on the page... | |
1081 | */ | |
1082 | ||
1083 | for (y = 0; y < header.cupsHeight; y ++) | |
1084 | { | |
1085 | /* | |
1086 | * Let the user know how far we have progressed... | |
1087 | */ | |
1088 | ||
1089 | if ((y & 127) == 0) | |
c0e1af83 | 1090 | fprintf(stderr, _("INFO: Printing page %d, %d%% complete...\n"), page, |
ef416fc2 | 1091 | 100 * y / header.cupsHeight); |
1092 | ||
1093 | /* | |
1094 | * Read a line of graphics... | |
1095 | */ | |
1096 | ||
1097 | if (cupsRasterReadPixels(ras, Planes[0], header.cupsBytesPerLine) < 1) | |
1098 | break; | |
1099 | ||
1100 | /* | |
1101 | * Write it to the printer... | |
1102 | */ | |
1103 | ||
1104 | OutputLine(&header); | |
1105 | } | |
1106 | ||
1107 | /* | |
1108 | * Eject the page... | |
1109 | */ | |
1110 | ||
1111 | EndPage(&header); | |
1112 | } | |
1113 | ||
1114 | /* | |
1115 | * Shutdown the printer... | |
1116 | */ | |
1117 | ||
1118 | Shutdown(); | |
1119 | ||
1120 | ppdClose(ppd); | |
1121 | ||
1122 | /* | |
1123 | * Close the raster stream... | |
1124 | */ | |
1125 | ||
1126 | cupsRasterClose(ras); | |
1127 | if (fd != 0) | |
1128 | close(fd); | |
1129 | ||
1130 | /* | |
1131 | * If no pages were printed, send an error message... | |
1132 | */ | |
1133 | ||
1134 | if (page == 0) | |
c0e1af83 | 1135 | fputs(_("ERROR: No pages found!\n"), stderr); |
ef416fc2 | 1136 | else |
c0e1af83 | 1137 | fputs(_("INFO: Ready to print.\n"), stderr); |
ef416fc2 | 1138 | |
1139 | return (page == 0); | |
1140 | } | |
1141 | ||
1142 | ||
1143 | /* | |
bc44d920 | 1144 | * End of "$Id: rastertoepson.c 6649 2007-07-11 21:46:42Z mike $". |
ef416fc2 | 1145 | */ |