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40c1123a | 1 | /* |
b5cb0608 | 2 | * "$Id: rastertoepson.c,v 1.10.2.1 2001/05/13 18:38:20 mike Exp $" |
40c1123a | 3 | * |
4 | * EPSON ESC/P and ESC/P2 filter for the Common UNIX Printing System | |
5 | * (CUPS). | |
6 | * | |
d2935a0f | 7 | * Copyright 1993-2001 by Easy Software Products. |
40c1123a | 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 20636-3111 USA | |
20 | * | |
21 | * Voice: (301) 373-9603 | |
22 | * EMail: cups-info@cups.org | |
23 | * WWW: http://www.cups.org | |
24 | * | |
25 | * Contents: | |
26 | * | |
27 | * Setup() - Prepare the printer for printing. | |
28 | * StartPage() - Start a page of graphics. | |
29 | * EndPage() - Finish a page of graphics. | |
30 | * Shutdown() - Shutdown the printer. | |
31 | * CompressData() - Compress a line of graphics. | |
32 | * OutputLine() - Output a line of graphics. | |
33 | * main() - Main entry and processing of driver. | |
34 | */ | |
35 | ||
36 | /* | |
37 | * Include necessary headers... | |
38 | */ | |
39 | ||
40 | #include <cups/cups.h> | |
41 | #include <cups/ppd.h> | |
42 | #include <cups/string.h> | |
43 | #include "raster.h" | |
44 | #include <stdlib.h> | |
45 | #include <unistd.h> | |
46 | #include <fcntl.h> | |
358cc876 | 47 | #include <signal.h> |
40c1123a | 48 | |
49 | ||
a9c19219 | 50 | /* |
51 | * Model numbers... | |
52 | */ | |
53 | ||
54 | #define EPSON_9PIN 0 | |
55 | #define EPSON_24PIN 1 | |
56 | #define EPSON_COLOR 2 | |
57 | #define EPSON_PHOTO 3 | |
58 | ||
59 | ||
40c1123a | 60 | /* |
61 | * Macros... | |
62 | */ | |
63 | ||
64 | #define pwrite(s,n) fwrite((s), 1, (n), stdout) | |
65 | ||
66 | ||
67 | /* | |
68 | * Globals... | |
69 | */ | |
70 | ||
71 | unsigned char *Planes[6], /* Output buffers */ | |
a9c19219 | 72 | *CompBuffer, /* Compression buffer */ |
73 | *LineBuffers[2]; /* Line bitmap buffers */ | |
40c1123a | 74 | int NumPlanes, /* Number of color planes */ |
75 | Feed; /* Number of lines to skip */ | |
a9c19219 | 76 | int DotBit, /* Bit in buffers */ |
77 | DotBytes, /* # bytes in a dot column */ | |
78 | DotColumns, /* # columns in 1/60 inch */ | |
79 | LineCount, /* # of lines processed */ | |
80 | EvenOffset, /* Offset into 'even' buffers */ | |
81 | OddOffset, /* Offset into 'odd' buffers */ | |
82 | Shingling; /* Shingle output? */ | |
40c1123a | 83 | |
84 | ||
85 | /* | |
86 | * Prototypes... | |
87 | */ | |
88 | ||
89 | void Setup(void); | |
a9c19219 | 90 | void StartPage(const ppd_file_t *ppd, const cups_page_header_t *header); |
91 | void EndPage(const cups_page_header_t *header); | |
40c1123a | 92 | void Shutdown(void); |
93 | ||
358cc876 | 94 | void CancelJob(int sig); |
a9c19219 | 95 | void CompressData(const unsigned char *line, int length, int plane, |
96 | int type, int xstep, int ystep); | |
97 | void OutputLine(const cups_page_header_t *header); | |
98 | void OutputRows(const cups_page_header_t *header, int row); | |
40c1123a | 99 | |
100 | ||
101 | /* | |
102 | * 'Setup()' - Prepare the printer for printing. | |
103 | */ | |
104 | ||
105 | void | |
106 | Setup(void) | |
107 | { | |
6c7bf83e | 108 | const char *device_uri; /* The device for the printer... */ |
109 | ||
110 | ||
111 | /* | |
112 | * EPSON USB printers need an additional command issued at the | |
113 | * beginning of each job to exit from "packet" mode... | |
114 | */ | |
115 | ||
116 | if ((device_uri = getenv("DEVICE_URI")) != NULL && | |
117 | strncmp(device_uri, "usb:", 4) == 0) | |
118 | pwrite("\000\000\000\033\001@EJL 1284.4\n@EJL \n\033@", 29); | |
40c1123a | 119 | } |
120 | ||
121 | ||
122 | /* | |
123 | * 'StartPage()' - Start a page of graphics. | |
124 | */ | |
125 | ||
126 | void | |
a9c19219 | 127 | StartPage(const ppd_file_t *ppd, /* I - PPD file */ |
128 | const cups_page_header_t *header) /* I - Page header */ | |
40c1123a | 129 | { |
a9c19219 | 130 | int n, t; /* Numbers */ |
131 | int plane; /* Looping var */ | |
358cc876 | 132 | #if defined(HAVE_SIGACTION) && !defined(HAVE_SIGSET) |
133 | struct sigaction action; /* Actions for POSIX signals */ | |
134 | #endif /* HAVE_SIGACTION && !HAVE_SIGSET */ | |
40c1123a | 135 | |
136 | ||
358cc876 | 137 | /* |
138 | * Register a signal handler to eject the current page if the | |
139 | * job is cancelled. | |
140 | */ | |
141 | ||
142 | #ifdef HAVE_SIGSET /* Use System V signals over POSIX to avoid bugs */ | |
143 | sigset(SIGTERM, CancelJob); | |
144 | #elif defined(HAVE_SIGACTION) | |
145 | memset(&action, 0, sizeof(action)); | |
146 | ||
147 | sigemptyset(&action.sa_mask); | |
148 | action.sa_handler = CancelJob; | |
149 | sigaction(SIGTERM, &action, NULL); | |
150 | #else | |
151 | signal(SIGTERM, CancelJob); | |
152 | #endif /* HAVE_SIGSET */ | |
153 | ||
40c1123a | 154 | /* |
155 | * Send a reset sequence. | |
156 | */ | |
157 | ||
cb934531 | 158 | if (ppd->nickname && strstr(ppd->nickname, "OKIDATA") != NULL) |
159 | printf("\033{A"); /* Set EPSON emulation mode */ | |
160 | ||
40c1123a | 161 | printf("\033@"); |
162 | ||
5d99df62 | 163 | /* |
a9c19219 | 164 | * See which type of printer we are using... |
5d99df62 | 165 | */ |
166 | ||
a9c19219 | 167 | switch (ppd->model_number) |
168 | { | |
169 | case EPSON_9PIN : | |
170 | case EPSON_24PIN : | |
171 | printf("\033P"); /* Set 10 CPI */ | |
5d99df62 | 172 | |
a9c19219 | 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 */ | |
40c1123a | 189 | |
a9c19219 | 190 | /* |
191 | * Setup various buffer limits... | |
192 | */ | |
5d99df62 | 193 | |
a9c19219 | 194 | DotBytes = header->cupsRowCount / 8; |
195 | DotColumns = header->HWResolution[0] / 60; | |
196 | Shingling = 0; | |
40c1123a | 197 | |
a9c19219 | 198 | if (ppd->model_number == EPSON_9PIN) |
199 | printf("\033\063\030"); /* Set line feed */ | |
200 | else | |
201 | switch (header->HWResolution[0]) | |
202 | { | |
203 | case 60: | |
204 | case 120 : | |
205 | printf("\033\063\030"); /* Set line feed */ | |
206 | break; | |
207 | ||
208 | case 180 : | |
209 | case 360 : | |
210 | Shingling = 1; | |
211 | ||
212 | if (header->HWResolution[1] == 180) | |
213 | printf("\033\063\010");/* Set line feed */ | |
214 | else | |
215 | printf("\033+\010"); /* Set line feed */ | |
216 | break; | |
217 | } | |
218 | break; | |
40c1123a | 219 | |
a9c19219 | 220 | case EPSON_COLOR : |
221 | case EPSON_PHOTO : | |
222 | /* | |
223 | * Set graphics mode... | |
224 | */ | |
40c1123a | 225 | |
a9c19219 | 226 | pwrite("\033(G\001\000\001", 6); /* Graphics mode */ |
227 | ||
228 | /* | |
229 | * Set the media size... | |
230 | */ | |
231 | ||
232 | pwrite("\033(U\001\000", 5); /* Resolution/units */ | |
233 | putchar(3600 / header->HWResolution[1]); | |
234 | ||
235 | n = header->PageSize[1] * header->HWResolution[1] / 72.0; | |
236 | ||
237 | pwrite("\033(C\002\000", 5); /* Page length */ | |
238 | putchar(n); | |
239 | putchar(n >> 8); | |
240 | ||
241 | t = (ppd->sizes[1].length - ppd->sizes[1].top) * | |
242 | header->HWResolution[1] / 72.0; | |
243 | ||
244 | pwrite("\033(c\004\000", 5); /* Top & bottom margins */ | |
245 | putchar(t); | |
246 | putchar(t >> 8); | |
247 | putchar(n); | |
248 | putchar(n >> 8); | |
249 | ||
250 | if (header->HWResolution[1] == 720) | |
251 | { | |
252 | pwrite("\033(i\001\000\001", 6); /* Microweave */ | |
253 | pwrite("\033(e\002\000\000\001", 7); /* Small dots */ | |
254 | } | |
255 | ||
256 | pwrite("\033(V\002\000\000\000", 7); /* Set absolute position 0 */ | |
257 | ||
258 | DotBytes = 0; | |
259 | DotColumns = 0; | |
260 | Shingling = 0; | |
261 | break; | |
262 | } | |
40c1123a | 263 | |
264 | /* | |
5d99df62 | 265 | * Set other stuff... |
40c1123a | 266 | */ |
267 | ||
268 | if (header->cupsColorSpace == CUPS_CSPACE_CMY) | |
269 | NumPlanes = 3; | |
270 | else if (header->cupsColorSpace == CUPS_CSPACE_KCMY) | |
271 | NumPlanes = 4; | |
272 | else if (header->cupsColorSpace == CUPS_CSPACE_KCMYcm) | |
273 | NumPlanes = 6; | |
274 | else | |
275 | NumPlanes = 1; | |
276 | ||
40c1123a | 277 | Feed = 0; /* No blank lines yet */ |
278 | ||
279 | /* | |
a9c19219 | 280 | * Allocate memory for a line/row of graphics... |
40c1123a | 281 | */ |
282 | ||
283 | Planes[0] = malloc(header->cupsBytesPerLine); | |
284 | for (plane = 1; plane < NumPlanes; plane ++) | |
285 | Planes[plane] = Planes[0] + plane * header->cupsBytesPerLine / NumPlanes; | |
286 | ||
a9c19219 | 287 | if (header->cupsCompression || DotBytes) |
288 | CompBuffer = calloc(2, header->cupsWidth); | |
358cc876 | 289 | else |
290 | CompBuffer = NULL; | |
a9c19219 | 291 | |
292 | if (DotBytes) | |
293 | { | |
294 | LineBuffers[0] = calloc(DotBytes, header->cupsWidth * (Shingling + 1)); | |
295 | LineBuffers[1] = LineBuffers[0] + DotBytes * header->cupsWidth; | |
296 | DotBit = 128; | |
297 | LineCount = 0; | |
298 | EvenOffset = 0; | |
299 | OddOffset = 0; | |
300 | } | |
40c1123a | 301 | } |
302 | ||
303 | ||
304 | /* | |
305 | * 'EndPage()' - Finish a page of graphics. | |
306 | */ | |
307 | ||
308 | void | |
a9c19219 | 309 | EndPage(const cups_page_header_t *header) /* I - Page header */ |
40c1123a | 310 | { |
358cc876 | 311 | #if defined(HAVE_SIGACTION) && !defined(HAVE_SIGSET) |
312 | struct sigaction action; /* Actions for POSIX signals */ | |
313 | #endif /* HAVE_SIGACTION && !HAVE_SIGSET */ | |
314 | ||
315 | ||
316 | if (DotBytes && header) | |
a9c19219 | 317 | { |
318 | /* | |
319 | * Flush remaining graphics as needed... | |
320 | */ | |
321 | ||
322 | if (!Shingling) | |
323 | OutputRows(header, 0); | |
324 | else if (OddOffset > EvenOffset) | |
325 | { | |
326 | OutputRows(header, 1); | |
327 | OutputRows(header, 0); | |
328 | } | |
329 | else | |
330 | { | |
331 | OutputRows(header, 0); | |
332 | OutputRows(header, 1); | |
333 | } | |
334 | } | |
40c1123a | 335 | |
c2115c0b | 336 | /* |
337 | * Eject the current page... | |
338 | */ | |
339 | ||
340 | putchar(12); /* Form feed */ | |
358cc876 | 341 | fflush(stdout); |
342 | ||
343 | /* | |
344 | * Unregister the signal handler... | |
345 | */ | |
346 | ||
347 | #ifdef HAVE_SIGSET /* Use System V signals over POSIX to avoid bugs */ | |
348 | sigset(SIGTERM, SIG_IGN); | |
349 | #elif defined(HAVE_SIGACTION) | |
350 | memset(&action, 0, sizeof(action)); | |
351 | ||
352 | sigemptyset(&action.sa_mask); | |
353 | action.sa_handler = SIG_IGN; | |
354 | sigaction(SIGTERM, &action, NULL); | |
355 | #else | |
356 | signal(SIGTERM, SIG_IGN); | |
357 | #endif /* HAVE_SIGSET */ | |
40c1123a | 358 | |
359 | /* | |
360 | * Free memory... | |
361 | */ | |
362 | ||
363 | free(Planes[0]); | |
364 | ||
358cc876 | 365 | if (CompBuffer) |
40c1123a | 366 | free(CompBuffer); |
a9c19219 | 367 | |
368 | if (DotBytes) | |
369 | free(LineBuffers[0]); | |
40c1123a | 370 | } |
371 | ||
372 | ||
373 | /* | |
374 | * 'Shutdown()' - Shutdown the printer. | |
375 | */ | |
376 | ||
377 | void | |
378 | Shutdown(void) | |
379 | { | |
380 | /* | |
381 | * Send a reset sequence. | |
382 | */ | |
383 | ||
384 | printf("\033@"); | |
385 | } | |
386 | ||
387 | ||
358cc876 | 388 | /* |
389 | * 'CancelJob()' - Cancel the current job... | |
390 | */ | |
391 | ||
392 | void | |
393 | CancelJob(int sig) /* I - Signal */ | |
394 | { | |
395 | int i; /* Looping var */ | |
396 | ||
397 | ||
398 | (void)sig; | |
399 | ||
400 | /* | |
401 | * Send out lots of NUL bytes to clear out any pending raster data... | |
402 | */ | |
403 | ||
404 | if (DotBytes) | |
405 | i = DotBytes * 360 * 8; | |
406 | else | |
407 | i = 720; | |
408 | ||
409 | for (; i > 0; i --) | |
410 | putchar(0); | |
411 | ||
412 | /* | |
413 | * End the current page and exit... | |
414 | */ | |
415 | ||
416 | EndPage(NULL); | |
417 | Shutdown(); | |
418 | ||
419 | exit(0); | |
420 | } | |
421 | ||
422 | ||
40c1123a | 423 | /* |
424 | * 'CompressData()' - Compress a line of graphics. | |
425 | */ | |
426 | ||
427 | void | |
a9c19219 | 428 | CompressData(const unsigned char *line, /* I - Data to compress */ |
429 | int length,/* I - Number of bytes */ | |
430 | int plane, /* I - Color plane */ | |
431 | int type, /* I - Type of compression */ | |
432 | int xstep, /* I - X resolution */ | |
433 | int ystep) /* I - Y resolution */ | |
40c1123a | 434 | { |
a9c19219 | 435 | const unsigned char *line_ptr, /* Current byte pointer */ |
436 | *line_end, /* End-of-line byte pointer */ | |
437 | *start; /* Start of compression sequence */ | |
438 | unsigned char *comp_ptr, /* Pointer into compression buffer */ | |
439 | temp; /* Current byte */ | |
440 | int count; /* Count of bytes for output */ | |
441 | static int ctable[6] = { 0, 2, 1, 4, 2, 1 }; | |
40c1123a | 442 | /* KCMYcm color values */ |
443 | ||
444 | ||
cd4e71e5 | 445 | /* |
446 | * Setup pointers... | |
447 | */ | |
448 | ||
449 | line_ptr = line; | |
450 | line_end = line + length; | |
451 | ||
452 | /* | |
453 | * Do depletion for 720 DPI printing... | |
454 | */ | |
455 | ||
456 | if (ystep == 5) | |
457 | { | |
a9c19219 | 458 | for (comp_ptr = (unsigned char *)line; comp_ptr < line_end;) |
cd4e71e5 | 459 | { |
460 | /* | |
461 | * Grab the current byte... | |
462 | */ | |
463 | ||
464 | temp = *comp_ptr; | |
465 | ||
466 | /* | |
467 | * Check adjacent bits... | |
468 | */ | |
469 | ||
470 | if ((temp & 0xc0) == 0xc0) | |
471 | temp &= 0xbf; | |
472 | if ((temp & 0x60) == 0x60) | |
473 | temp &= 0xdf; | |
474 | if ((temp & 0x30) == 0x30) | |
475 | temp &= 0xef; | |
476 | if ((temp & 0x18) == 0x18) | |
477 | temp &= 0xf7; | |
478 | if ((temp & 0x0c) == 0x0c) | |
479 | temp &= 0xfb; | |
480 | if ((temp & 0x06) == 0x06) | |
481 | temp &= 0xfd; | |
482 | if ((temp & 0x03) == 0x03) | |
483 | temp &= 0xfe; | |
484 | ||
485 | *comp_ptr++ = temp; | |
486 | ||
487 | /* | |
488 | * Check the last bit in the current byte and the first bit in the | |
489 | * next byte... | |
490 | */ | |
491 | ||
492 | if ((temp & 0x01) && comp_ptr < line_end && *comp_ptr & 0x80) | |
493 | *comp_ptr &= 0x7f; | |
494 | } | |
495 | } | |
496 | ||
40c1123a | 497 | switch (type) |
498 | { | |
499 | case 0 : | |
500 | /* | |
501 | * Do no compression... | |
502 | */ | |
40c1123a | 503 | break; |
504 | ||
505 | case 1 : | |
506 | /* | |
507 | * Do TIFF pack-bits encoding... | |
508 | */ | |
509 | ||
40c1123a | 510 | comp_ptr = CompBuffer; |
511 | ||
512 | while (line_ptr < line_end) | |
513 | { | |
514 | if ((line_ptr + 1) >= line_end) | |
515 | { | |
516 | /* | |
517 | * Single byte on the end... | |
518 | */ | |
519 | ||
520 | *comp_ptr++ = 0x00; | |
521 | *comp_ptr++ = *line_ptr++; | |
522 | } | |
523 | else if (line_ptr[0] == line_ptr[1]) | |
524 | { | |
525 | /* | |
526 | * Repeated sequence... | |
527 | */ | |
528 | ||
529 | line_ptr ++; | |
530 | count = 2; | |
531 | ||
532 | while (line_ptr < (line_end - 1) && | |
533 | line_ptr[0] == line_ptr[1] && | |
534 | count < 127) | |
535 | { | |
536 | line_ptr ++; | |
537 | count ++; | |
538 | } | |
539 | ||
540 | *comp_ptr++ = 257 - count; | |
541 | *comp_ptr++ = *line_ptr++; | |
542 | } | |
543 | else | |
544 | { | |
545 | /* | |
546 | * Non-repeated sequence... | |
547 | */ | |
548 | ||
549 | start = line_ptr; | |
550 | line_ptr ++; | |
551 | count = 1; | |
552 | ||
553 | while (line_ptr < (line_end - 1) && | |
554 | line_ptr[0] != line_ptr[1] && | |
555 | count < 127) | |
556 | { | |
557 | line_ptr ++; | |
558 | count ++; | |
559 | } | |
560 | ||
561 | *comp_ptr++ = count - 1; | |
562 | ||
563 | memcpy(comp_ptr, start, count); | |
564 | comp_ptr += count; | |
565 | } | |
566 | } | |
567 | ||
568 | line_ptr = CompBuffer; | |
569 | line_end = comp_ptr; | |
570 | break; | |
571 | } | |
572 | ||
573 | /* | |
574 | * Set the color if necessary... | |
575 | */ | |
576 | ||
577 | if (NumPlanes > 1) | |
578 | { | |
579 | if (plane > 3) | |
580 | printf("\033(r%c%c%c%c", 2, 0, 1, ctable[plane]); | |
581 | /* Set extended color */ | |
582 | else if (NumPlanes == 3) | |
583 | printf("\033r%c", ctable[plane + 1]); | |
584 | /* Set color */ | |
585 | else | |
586 | printf("\033r%c", ctable[plane]); /* Set color */ | |
587 | } | |
588 | ||
589 | /* | |
590 | * Send a raster plane... | |
591 | */ | |
592 | ||
593 | putchar(0x0d); /* Move print head to left margin */ | |
594 | ||
595 | length *= 8; | |
596 | printf("\033."); /* Raster graphics */ | |
597 | putchar(type); | |
598 | putchar(ystep); | |
599 | putchar(xstep); | |
600 | putchar(1); | |
601 | putchar(length); | |
602 | putchar(length >> 8); | |
603 | ||
604 | pwrite(line_ptr, line_end - line_ptr); | |
358cc876 | 605 | fflush(stdout); |
40c1123a | 606 | } |
607 | ||
608 | ||
609 | /* | |
610 | * 'OutputLine()' - Output a line of graphics. | |
611 | */ | |
612 | ||
613 | void | |
a9c19219 | 614 | OutputLine(const cups_page_header_t *header) /* I - Page header */ |
40c1123a | 615 | { |
a9c19219 | 616 | if (header->cupsRowCount) |
617 | { | |
618 | int width; | |
619 | unsigned char *tempptr, | |
620 | *evenptr, | |
621 | *oddptr; | |
622 | register int x; | |
623 | unsigned char bit; | |
624 | const unsigned char *pixel; | |
625 | unsigned char *temp; | |
40c1123a | 626 | |
40c1123a | 627 | |
a9c19219 | 628 | /* |
629 | * Collect bitmap data in the line buffers and write after each buffer. | |
630 | */ | |
631 | ||
632 | for (x = header->cupsWidth, bit = 128, pixel = Planes[0], | |
633 | temp = CompBuffer; | |
634 | x > 0; | |
635 | x --, temp ++) | |
636 | { | |
637 | if (*pixel & bit) | |
638 | *temp |= DotBit; | |
639 | ||
640 | if (bit > 1) | |
641 | bit >>= 1; | |
642 | else | |
643 | { | |
644 | bit = 128; | |
645 | pixel ++; | |
646 | } | |
647 | } | |
40c1123a | 648 | |
a9c19219 | 649 | if (DotBit > 1) |
650 | DotBit >>= 1; | |
651 | else | |
652 | { | |
653 | /* | |
654 | * Copy the holding buffer to the output buffer, shingling as necessary... | |
655 | */ | |
656 | ||
657 | if (Shingling && LineCount != 0) | |
658 | { | |
659 | /* | |
660 | * Shingle the output... | |
661 | */ | |
662 | ||
663 | if (LineCount & 1) | |
664 | { | |
665 | evenptr = LineBuffers[1] + OddOffset; | |
666 | oddptr = LineBuffers[0] + EvenOffset + DotBytes; | |
667 | } | |
668 | else | |
669 | { | |
670 | evenptr = LineBuffers[0] + EvenOffset; | |
671 | oddptr = LineBuffers[1] + OddOffset + DotBytes; | |
672 | } | |
673 | ||
674 | for (width = header->cupsWidth, tempptr = CompBuffer; | |
675 | width > 0; | |
676 | width -= 2, tempptr += 2, oddptr += DotBytes * 2, | |
677 | evenptr += DotBytes * 2) | |
678 | { | |
679 | evenptr[0] = tempptr[0]; | |
680 | oddptr[0] = tempptr[1]; | |
681 | } | |
682 | } | |
683 | else | |
684 | { | |
685 | /* | |
686 | * Don't shingle the output... | |
687 | */ | |
688 | ||
689 | for (width = header->cupsWidth, tempptr = CompBuffer, | |
690 | evenptr = LineBuffers[0] + EvenOffset; | |
691 | width >= 0; | |
692 | width --, tempptr ++, evenptr += DotBytes) | |
693 | *evenptr = tempptr[0]; | |
694 | } | |
695 | ||
696 | if (Shingling && LineCount != 0) | |
697 | { | |
698 | EvenOffset ++; | |
699 | OddOffset ++; | |
700 | ||
701 | if (EvenOffset == DotBytes) | |
702 | { | |
703 | EvenOffset = 0; | |
704 | OutputRows(header, 0); | |
705 | } | |
706 | ||
707 | if (OddOffset == DotBytes) | |
708 | { | |
709 | OddOffset = 0; | |
710 | OutputRows(header, 1); | |
711 | } | |
712 | } | |
713 | else | |
714 | { | |
715 | EvenOffset ++; | |
716 | ||
717 | if (EvenOffset == DotBytes) | |
718 | { | |
719 | EvenOffset = 0; | |
720 | OutputRows(header, 0); | |
721 | } | |
722 | } | |
723 | ||
724 | DotBit = 128; | |
725 | LineCount ++; | |
726 | ||
727 | memset(CompBuffer, 0, header->cupsWidth); | |
728 | } | |
729 | } | |
730 | else | |
5d99df62 | 731 | { |
a9c19219 | 732 | int plane; /* Current plane */ |
733 | int bytes; /* Bytes per plane */ | |
734 | int xstep, ystep; /* X & Y resolutions */ | |
735 | ||
736 | ||
5d99df62 | 737 | /* |
a9c19219 | 738 | * Write a single line of bitmap data as needed... |
5d99df62 | 739 | */ |
740 | ||
a9c19219 | 741 | xstep = 3600 / header->HWResolution[0]; |
742 | ystep = 3600 / header->HWResolution[1]; | |
743 | bytes = header->cupsBytesPerLine / NumPlanes; | |
744 | ||
745 | for (plane = 0; plane < NumPlanes; plane ++) | |
746 | { | |
747 | /* | |
748 | * Skip blank data... | |
749 | */ | |
750 | ||
751 | if (!Planes[plane][0] && | |
752 | memcmp(Planes[plane], Planes[plane] + 1, bytes - 1) == 0) | |
753 | continue; | |
754 | ||
755 | /* | |
756 | * Output whitespace as needed... | |
757 | */ | |
758 | ||
759 | if (Feed > 0) | |
760 | { | |
761 | pwrite("\033(v\002\000", 5); /* Relative vertical position */ | |
762 | putchar(Feed); | |
763 | putchar(Feed >> 8); | |
764 | ||
765 | Feed = 0; | |
766 | } | |
767 | ||
768 | CompressData(Planes[plane], bytes, plane, header->cupsCompression, xstep, | |
769 | ystep); | |
770 | } | |
771 | ||
772 | Feed ++; | |
773 | } | |
774 | } | |
775 | ||
776 | ||
777 | /* | |
778 | * 'OutputRows()' - Output 8, 24, or 48 rows. | |
779 | */ | |
780 | ||
781 | void | |
782 | OutputRows(const cups_page_header_t *header, /* I - Page image header */ | |
783 | int row) /* I - Row number (0 or 1) */ | |
784 | { | |
785 | unsigned i, n; /* Looping vars */ | |
786 | int dot_count, /* Number of bytes to print */ | |
787 | dot_min; /* Minimum number of bytes */ | |
cb934531 | 788 | unsigned char *dot_ptr, /* Pointer to print data */ |
789 | *ptr; /* Current data */ | |
a9c19219 | 790 | |
791 | ||
792 | dot_min = DotBytes * DotColumns; | |
5d99df62 | 793 | |
a9c19219 | 794 | if (LineBuffers[row][0] != 0 || |
795 | memcmp(LineBuffers[row], LineBuffers[row] + 1, | |
796 | header->cupsWidth * DotBytes - 1)) | |
797 | { | |
5d99df62 | 798 | /* |
a9c19219 | 799 | * Skip leading space... |
5d99df62 | 800 | */ |
801 | ||
a9c19219 | 802 | i = 0; |
803 | dot_count = header->cupsWidth * DotBytes; | |
804 | dot_ptr = LineBuffers[row]; | |
805 | ||
806 | while (dot_count >= dot_min && dot_ptr[0] == 0 && | |
807 | memcmp(dot_ptr, dot_ptr + 1, dot_min - 1) == 0) | |
5d99df62 | 808 | { |
a9c19219 | 809 | i ++; |
810 | dot_ptr += dot_min; | |
811 | dot_count -= dot_min; | |
812 | } | |
813 | ||
814 | /* | |
815 | * Skip trailing space... | |
816 | */ | |
817 | ||
818 | while (dot_count >= dot_min && dot_ptr[dot_count - dot_min] == 0 && | |
819 | memcmp(dot_ptr + dot_count - dot_min, | |
820 | dot_ptr + dot_count - dot_min + 1, dot_min - 1) == 0) | |
821 | dot_count -= dot_min; | |
822 | ||
823 | /* | |
824 | * Position print head for printing... | |
825 | */ | |
826 | ||
827 | putchar(0x1b); | |
828 | putchar('$'); | |
829 | putchar(i & 255); | |
830 | putchar(i >> 8); | |
831 | ||
832 | /* | |
833 | * Start bitmap graphics for this line... | |
834 | */ | |
5d99df62 | 835 | |
a9c19219 | 836 | printf("\033*"); /* Select bit image */ |
837 | switch (header->HWResolution[0]) | |
838 | { | |
839 | case 60 : /* 60x60/72 DPI gfx */ | |
840 | putchar(0); | |
841 | break; | |
842 | case 120 : /* 120x60/72 DPI gfx */ | |
843 | putchar(1); | |
844 | break; | |
845 | case 180 : /* 180 DPI gfx */ | |
846 | putchar(39); | |
847 | break; | |
848 | case 240 : /* 240x72 DPI gfx */ | |
849 | putchar(3); | |
850 | break; | |
851 | case 360 : /* 360x180/360 DPI gfx */ | |
852 | if (header->HWResolution[1] == 180) | |
853 | { | |
854 | if (Shingling && LineCount != 0) | |
855 | putchar(40); /* 360x180 fast */ | |
856 | else | |
857 | putchar(41); /* 360x180 slow */ | |
858 | } | |
859 | else | |
860 | { | |
861 | if (Shingling && LineCount != 0) | |
862 | putchar(72); /* 360x360 fast */ | |
863 | else | |
864 | putchar(73); /* 360x360 slow */ | |
865 | } | |
866 | break; | |
5d99df62 | 867 | } |
868 | ||
a9c19219 | 869 | n = (unsigned)dot_count / DotBytes; |
870 | putchar(n & 255); | |
871 | putchar(n / 256); | |
872 | ||
873 | /* | |
874 | * Write the graphics data... | |
875 | */ | |
876 | ||
cb934531 | 877 | if (header->HWResolution[0] == 120 || |
878 | header->HWResolution[0] == 240) | |
879 | { | |
880 | /* | |
881 | * Need to interleave the dots to avoid hosing the print head... | |
882 | */ | |
883 | ||
884 | for (n = dot_count / 2, ptr = dot_ptr; n > 0; n --, ptr += 2) | |
885 | { | |
886 | putchar(*ptr); | |
887 | putchar(0); | |
888 | } | |
889 | ||
890 | /* | |
891 | * Move the head back and print the odd bytes... | |
892 | */ | |
893 | ||
894 | putchar(0x1b); | |
895 | putchar('$'); | |
896 | putchar(i & 255); | |
897 | putchar(i >> 8); | |
898 | ||
899 | if (header->HWResolution[0] == 120) | |
900 | printf("\033*\001"); /* Select bit image */ | |
901 | else | |
902 | printf("\033*\003"); /* Select bit image */ | |
903 | ||
904 | n = (unsigned)dot_count / DotBytes; | |
905 | putchar(n & 255); | |
906 | putchar(n / 256); | |
907 | ||
908 | for (n = dot_count / 2, ptr = dot_ptr + 1; n > 0; n --, ptr += 2) | |
909 | { | |
910 | putchar(0); | |
911 | putchar(*ptr); | |
912 | } | |
913 | } | |
914 | else | |
915 | pwrite(dot_ptr, dot_count); | |
5d99df62 | 916 | } |
40c1123a | 917 | |
a9c19219 | 918 | /* |
919 | * Feed the paper... | |
920 | */ | |
921 | ||
922 | putchar('\n'); | |
923 | ||
924 | if (Shingling && row == 1) | |
925 | { | |
926 | if (header->HWResolution[1] == 360) | |
927 | printf("\n\n\n\n"); | |
928 | else | |
929 | printf("\n"); | |
930 | } | |
931 | ||
358cc876 | 932 | fflush(stdout); |
933 | ||
a9c19219 | 934 | /* |
935 | * Clear the buffer... | |
936 | */ | |
937 | ||
938 | memset(LineBuffers[row], 0, header->cupsWidth * DotBytes); | |
40c1123a | 939 | } |
940 | ||
941 | ||
942 | /* | |
943 | * 'main()' - Main entry and processing of driver. | |
944 | */ | |
945 | ||
358cc876 | 946 | int /* O - Exit status */ |
947 | main(int argc, /* I - Number of command-line arguments */ | |
948 | char *argv[]) /* I - Command-line arguments */ | |
40c1123a | 949 | { |
950 | int fd; /* File descriptor */ | |
951 | cups_raster_t *ras; /* Raster stream for printing */ | |
952 | cups_page_header_t header; /* Page header from file */ | |
953 | ppd_file_t *ppd; /* PPD file */ | |
954 | int page; /* Current page */ | |
955 | int y; /* Current line */ | |
956 | ||
957 | ||
958 | /* | |
cc787dc1 | 959 | * Make sure status messages are not buffered... |
960 | */ | |
961 | ||
962 | setbuf(stderr, NULL); | |
963 | ||
964 | /* | |
965 | * Check command-line... | |
40c1123a | 966 | */ |
967 | ||
968 | if (argc < 6 || argc > 7) | |
969 | { | |
970 | /* | |
971 | * We don't have the correct number of arguments; write an error message | |
972 | * and return. | |
973 | */ | |
974 | ||
975 | fputs("ERROR: rastertoepson job-id user title copies options [file]\n", stderr); | |
976 | return (1); | |
977 | } | |
978 | ||
979 | /* | |
980 | * Open the page stream... | |
981 | */ | |
982 | ||
983 | if (argc == 7) | |
984 | { | |
985 | if ((fd = open(argv[6], O_RDONLY)) == -1) | |
986 | { | |
987 | perror("ERROR: Unable to open raster file - "); | |
988 | sleep(1); | |
989 | return (1); | |
990 | } | |
991 | } | |
992 | else | |
993 | fd = 0; | |
994 | ||
995 | ras = cupsRasterOpen(fd, CUPS_RASTER_READ); | |
996 | ||
997 | /* | |
998 | * Initialize the print device... | |
999 | */ | |
1000 | ||
1001 | ppd = ppdOpenFile(getenv("PPD")); | |
1002 | ||
1003 | Setup(); | |
1004 | ||
1005 | /* | |
1006 | * Process pages as needed... | |
1007 | */ | |
1008 | ||
1009 | page = 0; | |
1010 | ||
1011 | while (cupsRasterReadHeader(ras, &header)) | |
1012 | { | |
1013 | /* | |
1014 | * Write a status message with the page number and number of copies. | |
1015 | */ | |
1016 | ||
1017 | page ++; | |
1018 | ||
1019 | fprintf(stderr, "PAGE: %d %d\n", page, header.NumCopies); | |
1020 | ||
1021 | /* | |
1022 | * Start the page... | |
1023 | */ | |
1024 | ||
a9c19219 | 1025 | StartPage(ppd, &header); |
40c1123a | 1026 | |
1027 | /* | |
1028 | * Loop for each line on the page... | |
1029 | */ | |
1030 | ||
1031 | for (y = 0; y < header.cupsHeight; y ++) | |
1032 | { | |
1033 | /* | |
1034 | * Let the user know how far we have progressed... | |
1035 | */ | |
1036 | ||
1037 | if ((y & 127) == 0) | |
1038 | fprintf(stderr, "INFO: Printing page %d, %d%% complete...\n", page, | |
1039 | 100 * y / header.cupsHeight); | |
1040 | ||
1041 | /* | |
1042 | * Read a line of graphics... | |
1043 | */ | |
1044 | ||
1045 | if (cupsRasterReadPixels(ras, Planes[0], header.cupsBytesPerLine) < 1) | |
1046 | break; | |
1047 | ||
1048 | /* | |
5d99df62 | 1049 | * Write it to the printer... |
40c1123a | 1050 | */ |
1051 | ||
5d99df62 | 1052 | OutputLine(&header); |
40c1123a | 1053 | } |
1054 | ||
1055 | /* | |
1056 | * Eject the page... | |
1057 | */ | |
1058 | ||
1059 | EndPage(&header); | |
1060 | } | |
1061 | ||
1062 | /* | |
1063 | * Shutdown the printer... | |
1064 | */ | |
1065 | ||
1066 | Shutdown(); | |
1067 | ||
1068 | ppdClose(ppd); | |
1069 | ||
1070 | /* | |
1071 | * Close the raster stream... | |
1072 | */ | |
1073 | ||
1074 | cupsRasterClose(ras); | |
1075 | if (fd != 0) | |
1076 | close(fd); | |
1077 | ||
1078 | /* | |
1079 | * If no pages were printed, send an error message... | |
1080 | */ | |
1081 | ||
1082 | if (page == 0) | |
1083 | fputs("ERROR: No pages found!\n", stderr); | |
1084 | else | |
b5cb0608 | 1085 | fputs("INFO: " CUPS_SVERSION " is ready to print.\n", stderr); |
40c1123a | 1086 | |
1087 | return (page == 0); | |
1088 | } | |
1089 | ||
1090 | ||
1091 | /* | |
b5cb0608 | 1092 | * End of "$Id: rastertoepson.c,v 1.10.2.1 2001/05/13 18:38:20 mike Exp $". |
40c1123a | 1093 | */ |