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ef416fc2 | 1 | /* |
2abf387c | 2 | * "$Id: common.c 6003 2006-10-02 16:26:04Z mike $" |
ef416fc2 | 3 | * |
4 | * Common filter routines for the Common UNIX Printing System (CUPS). | |
5 | * | |
2abf387c | 6 | * Copyright 1997-2006 by Easy Software Products. |
ef416fc2 | 7 | * |
8 | * These coded instructions, statements, and computer programs are the | |
9 | * property of Easy Software Products and are protected by Federal | |
10 | * copyright law. Distribution and use rights are outlined in the file | |
11 | * "LICENSE.txt" which should have been included with this file. If this | |
12 | * file is missing or damaged please contact Easy Software Products | |
13 | * at: | |
14 | * | |
15 | * Attn: CUPS Licensing Information | |
16 | * Easy Software Products | |
17 | * 44141 Airport View Drive, Suite 204 | |
18 | * Hollywood, Maryland 20636 USA | |
19 | * | |
20 | * Voice: (301) 373-9600 | |
21 | * EMail: cups-info@cups.org | |
22 | * WWW: http://www.cups.org | |
23 | * | |
24 | * This file is subject to the Apple OS-Developed Software exception. | |
25 | * | |
26 | * Contents: | |
27 | * | |
28 | * SetCommonOptions() - Set common filter options for media size, | |
29 | * etc. | |
30 | * UpdatePageVars() - Update the page variables for the orientation. | |
2abf387c | 31 | * WriteComment() - Write a DSC comment. |
ef416fc2 | 32 | * WriteCommon() - Write common procedures... |
33 | * WriteLabelProlog() - Write the prolog with the classification | |
34 | * and page label. | |
35 | * WriteLabels() - Write the actual page labels. | |
36 | */ | |
37 | ||
38 | /* | |
39 | * Include necessary headers... | |
40 | */ | |
41 | ||
42 | #include "common.h" | |
43 | #include <locale.h> | |
44 | ||
45 | ||
46 | /* | |
47 | * Globals... | |
48 | */ | |
49 | ||
2abf387c | 50 | int Orientation = 0, /* 0 = portrait, 1 = landscape, etc. */ |
51 | Duplex = 0, /* Duplexed? */ | |
52 | LanguageLevel = 1, /* Language level of printer */ | |
53 | ColorDevice = 1; /* Do color text? */ | |
54 | float PageLeft = 18.0f, /* Left margin */ | |
55 | PageRight = 594.0f, /* Right margin */ | |
56 | PageBottom = 36.0f, /* Bottom margin */ | |
57 | PageTop = 756.0f, /* Top margin */ | |
58 | PageWidth = 612.0f, /* Total page width */ | |
59 | PageLength = 792.0f; /* Total page length */ | |
ef416fc2 | 60 | |
61 | ||
62 | /* | |
63 | * 'SetCommonOptions()' - Set common filter options for media size, etc. | |
64 | */ | |
65 | ||
2abf387c | 66 | ppd_file_t * /* O - PPD file */ |
67 | SetCommonOptions( | |
68 | int num_options, /* I - Number of options */ | |
69 | cups_option_t *options, /* I - Options */ | |
70 | int change_size) /* I - Change page size? */ | |
ef416fc2 | 71 | { |
2abf387c | 72 | ppd_file_t *ppd; /* PPD file */ |
73 | ppd_size_t *pagesize; /* Current page size */ | |
74 | const char *val; /* Option value */ | |
ef416fc2 | 75 | |
76 | ||
77 | #ifdef LC_TIME | |
78 | setlocale(LC_TIME, ""); | |
79 | #endif /* LC_TIME */ | |
80 | ||
81 | ppd = ppdOpenFile(getenv("PPD")); | |
82 | ||
83 | ppdMarkDefaults(ppd); | |
84 | cupsMarkOptions(ppd, num_options, options); | |
85 | ||
86 | if ((pagesize = ppdPageSize(ppd, NULL)) != NULL) | |
87 | { | |
88 | PageWidth = pagesize->width; | |
89 | PageLength = pagesize->length; | |
90 | PageTop = pagesize->top; | |
91 | PageBottom = pagesize->bottom; | |
92 | PageLeft = pagesize->left; | |
93 | PageRight = pagesize->right; | |
94 | ||
95 | fprintf(stderr, "DEBUG: Page = %.0fx%.0f; %.0f,%.0f to %.0f,%.0f\n", | |
96 | PageWidth, PageLength, PageLeft, PageBottom, PageRight, PageTop); | |
97 | } | |
98 | ||
99 | if (ppd != NULL) | |
100 | { | |
101 | ColorDevice = ppd->color_device; | |
102 | LanguageLevel = ppd->language_level; | |
103 | } | |
104 | ||
105 | if ((val = cupsGetOption("landscape", num_options, options)) != NULL) | |
106 | { | |
107 | if (strcasecmp(val, "no") != 0 && strcasecmp(val, "off") != 0 && | |
108 | strcasecmp(val, "false") != 0) | |
109 | { | |
110 | if (ppd && ppd->landscape > 0) | |
111 | Orientation = 1; | |
112 | else | |
113 | Orientation = 3; | |
114 | } | |
115 | } | |
116 | else if ((val = cupsGetOption("orientation-requested", num_options, options)) != NULL) | |
117 | { | |
118 | /* | |
119 | * Map IPP orientation values to 0 to 3: | |
120 | * | |
121 | * 3 = 0 degrees = 0 | |
122 | * 4 = 90 degrees = 1 | |
123 | * 5 = -90 degrees = 3 | |
124 | * 6 = 180 degrees = 2 | |
125 | */ | |
126 | ||
127 | Orientation = atoi(val) - 3; | |
128 | if (Orientation >= 2) | |
129 | Orientation ^= 1; | |
130 | } | |
131 | ||
132 | if ((val = cupsGetOption("page-left", num_options, options)) != NULL) | |
133 | { | |
134 | switch (Orientation & 3) | |
135 | { | |
136 | case 0 : | |
137 | PageLeft = (float)atof(val); | |
138 | break; | |
139 | case 1 : | |
140 | PageBottom = (float)atof(val); | |
141 | break; | |
142 | case 2 : | |
143 | PageRight = PageWidth - (float)atof(val); | |
144 | break; | |
145 | case 3 : | |
146 | PageTop = PageLength - (float)atof(val); | |
147 | break; | |
148 | } | |
149 | } | |
150 | ||
151 | if ((val = cupsGetOption("page-right", num_options, options)) != NULL) | |
152 | { | |
153 | switch (Orientation & 3) | |
154 | { | |
155 | case 0 : | |
156 | PageRight = PageWidth - (float)atof(val); | |
157 | break; | |
158 | case 1 : | |
159 | PageTop = PageLength - (float)atof(val); | |
160 | break; | |
161 | case 2 : | |
162 | PageLeft = (float)atof(val); | |
163 | break; | |
164 | case 3 : | |
165 | PageBottom = (float)atof(val); | |
166 | break; | |
167 | } | |
168 | } | |
169 | ||
170 | if ((val = cupsGetOption("page-bottom", num_options, options)) != NULL) | |
171 | { | |
172 | switch (Orientation & 3) | |
173 | { | |
174 | case 0 : | |
175 | PageBottom = (float)atof(val); | |
176 | break; | |
177 | case 1 : | |
178 | PageLeft = (float)atof(val); | |
179 | break; | |
180 | case 2 : | |
181 | PageTop = PageLength - (float)atof(val); | |
182 | break; | |
183 | case 3 : | |
184 | PageRight = PageWidth - (float)atof(val); | |
185 | break; | |
186 | } | |
187 | } | |
188 | ||
189 | if ((val = cupsGetOption("page-top", num_options, options)) != NULL) | |
190 | { | |
191 | switch (Orientation & 3) | |
192 | { | |
193 | case 0 : | |
194 | PageTop = PageLength - (float)atof(val); | |
195 | break; | |
196 | case 1 : | |
197 | PageRight = PageWidth - (float)atof(val); | |
198 | break; | |
199 | case 2 : | |
200 | PageBottom = (float)atof(val); | |
201 | break; | |
202 | case 3 : | |
203 | PageLeft = (float)atof(val); | |
204 | break; | |
205 | } | |
206 | } | |
207 | ||
208 | if (change_size) | |
209 | UpdatePageVars(); | |
210 | ||
211 | if (ppdIsMarked(ppd, "Duplex", "DuplexNoTumble") || | |
212 | ppdIsMarked(ppd, "Duplex", "DuplexTumble") || | |
213 | ppdIsMarked(ppd, "JCLDuplex", "DuplexNoTumble") || | |
214 | ppdIsMarked(ppd, "JCLDuplex", "DuplexTumble") || | |
215 | ppdIsMarked(ppd, "EFDuplex", "DuplexNoTumble") || | |
216 | ppdIsMarked(ppd, "EFDuplex", "DuplexTumble") || | |
217 | ppdIsMarked(ppd, "KD03Duplex", "DuplexNoTumble") || | |
218 | ppdIsMarked(ppd, "KD03Duplex", "DuplexTumble")) | |
219 | Duplex = 1; | |
220 | ||
221 | return (ppd); | |
222 | } | |
223 | ||
224 | ||
225 | /* | |
226 | * 'UpdatePageVars()' - Update the page variables for the orientation. | |
227 | */ | |
228 | ||
229 | void | |
230 | UpdatePageVars(void) | |
231 | { | |
2abf387c | 232 | float temp; /* Swapping variable */ |
ef416fc2 | 233 | |
234 | ||
235 | switch (Orientation & 3) | |
236 | { | |
237 | case 0 : /* Portait */ | |
238 | break; | |
239 | ||
240 | case 1 : /* Landscape */ | |
241 | temp = PageLeft; | |
242 | PageLeft = PageBottom; | |
243 | PageBottom = temp; | |
244 | ||
245 | temp = PageRight; | |
246 | PageRight = PageTop; | |
247 | PageTop = temp; | |
248 | ||
249 | temp = PageWidth; | |
250 | PageWidth = PageLength; | |
251 | PageLength = temp; | |
252 | break; | |
253 | ||
254 | case 2 : /* Reverse Portrait */ | |
255 | temp = PageWidth - PageLeft; | |
256 | PageLeft = PageWidth - PageRight; | |
257 | PageRight = temp; | |
258 | ||
259 | temp = PageLength - PageBottom; | |
260 | PageBottom = PageLength - PageTop; | |
261 | PageTop = temp; | |
262 | break; | |
263 | ||
264 | case 3 : /* Reverse Landscape */ | |
265 | temp = PageWidth - PageLeft; | |
266 | PageLeft = PageWidth - PageRight; | |
267 | PageRight = temp; | |
268 | ||
269 | temp = PageLength - PageBottom; | |
270 | PageBottom = PageLength - PageTop; | |
271 | PageTop = temp; | |
272 | ||
273 | temp = PageLeft; | |
274 | PageLeft = PageBottom; | |
275 | PageBottom = temp; | |
276 | ||
277 | temp = PageRight; | |
278 | PageRight = PageTop; | |
279 | PageTop = temp; | |
280 | ||
281 | temp = PageWidth; | |
282 | PageWidth = PageLength; | |
283 | PageLength = temp; | |
284 | break; | |
285 | } | |
286 | } | |
287 | ||
288 | ||
289 | /* | |
290 | * 'WriteCommon()' - Write common procedures... | |
291 | */ | |
292 | ||
293 | void | |
294 | WriteCommon(void) | |
295 | { | |
296 | puts("% x y w h ESPrc - Clip to a rectangle.\n" | |
297 | "userdict/ESPrc/rectclip where{pop/rectclip load}\n" | |
298 | "{{newpath 4 2 roll moveto 1 index 0 rlineto 0 exch rlineto\n" | |
299 | "neg 0 rlineto closepath clip newpath}bind}ifelse put"); | |
300 | puts("% x y w h ESPrf - Fill a rectangle.\n" | |
301 | "userdict/ESPrf/rectfill where{pop/rectfill load}\n" | |
302 | "{{gsave newpath 4 2 roll moveto 1 index 0 rlineto 0 exch rlineto\n" | |
303 | "neg 0 rlineto closepath fill grestore}bind}ifelse put"); | |
304 | puts("% x y w h ESPrs - Stroke a rectangle.\n" | |
305 | "userdict/ESPrs/rectstroke where{pop/rectstroke load}\n" | |
306 | "{{gsave newpath 4 2 roll moveto 1 index 0 rlineto 0 exch rlineto\n" | |
307 | "neg 0 rlineto closepath stroke grestore}bind}ifelse put"); | |
308 | } | |
309 | ||
310 | ||
311 | /* | |
312 | * 'WriteLabelProlog()' - Write the prolog with the classification | |
313 | * and page label. | |
314 | */ | |
315 | ||
316 | void | |
317 | WriteLabelProlog(const char *label, /* I - Page label */ | |
318 | float bottom, /* I - Bottom position in points */ | |
319 | float top, /* I - Top position in points */ | |
320 | float width) /* I - Width in points */ | |
321 | { | |
322 | const char *classification; /* CLASSIFICATION environment variable */ | |
323 | const char *ptr; /* Temporary string pointer */ | |
324 | ||
325 | ||
326 | /* | |
327 | * First get the current classification... | |
328 | */ | |
329 | ||
330 | if ((classification = getenv("CLASSIFICATION")) == NULL) | |
331 | classification = ""; | |
332 | if (strcmp(classification, "none") == 0) | |
333 | classification = ""; | |
334 | ||
335 | /* | |
336 | * If there is nothing to show, bind an empty 'write labels' procedure | |
337 | * and return... | |
338 | */ | |
339 | ||
340 | if (!classification[0] && (label == NULL || !label[0])) | |
341 | { | |
342 | puts("userdict/ESPwl{}bind put"); | |
343 | return; | |
344 | } | |
345 | ||
346 | /* | |
347 | * Set the classification + page label string... | |
348 | */ | |
349 | ||
350 | printf("userdict"); | |
351 | if (strcmp(classification, "confidential") == 0) | |
352 | printf("/ESPpl(CONFIDENTIAL"); | |
353 | else if (strcmp(classification, "classified") == 0) | |
354 | printf("/ESPpl(CLASSIFIED"); | |
355 | else if (strcmp(classification, "secret") == 0) | |
356 | printf("/ESPpl(SECRET"); | |
357 | else if (strcmp(classification, "topsecret") == 0) | |
358 | printf("/ESPpl(TOP SECRET"); | |
359 | else if (strcmp(classification, "unclassified") == 0) | |
360 | printf("/ESPpl(UNCLASSIFIED"); | |
361 | else | |
362 | { | |
363 | printf("/ESPpl("); | |
364 | ||
365 | for (ptr = classification; *ptr; ptr ++) | |
366 | if (*ptr < 32 || *ptr > 126) | |
367 | printf("\\%03o", *ptr); | |
368 | else if (*ptr == '_') | |
369 | putchar(' '); | |
370 | else | |
371 | { | |
372 | if (*ptr == '(' || *ptr == ')' || *ptr == '\\') | |
373 | putchar('\\'); | |
374 | ||
375 | putchar(*ptr); | |
376 | } | |
377 | } | |
378 | ||
379 | if (label) | |
380 | { | |
381 | if (classification[0]) | |
382 | printf(" - "); | |
383 | ||
384 | /* | |
385 | * Quote the label string as needed... | |
386 | */ | |
387 | ||
388 | for (ptr = label; *ptr; ptr ++) | |
389 | if (*ptr < 32 || *ptr > 126) | |
390 | printf("\\%03o", *ptr); | |
391 | else | |
392 | { | |
393 | if (*ptr == '(' || *ptr == ')' || *ptr == '\\') | |
394 | putchar('\\'); | |
395 | ||
396 | putchar(*ptr); | |
397 | } | |
398 | } | |
399 | ||
400 | puts(")put"); | |
401 | ||
402 | /* | |
403 | * Then get a 14 point Helvetica-Bold font... | |
404 | */ | |
405 | ||
406 | puts("userdict/ESPpf /Helvetica-Bold findfont 14 scalefont put"); | |
407 | ||
408 | /* | |
409 | * Finally, the procedure to write the labels on the page... | |
410 | */ | |
411 | ||
412 | puts("userdict/ESPwl{"); | |
413 | puts(" ESPpf setfont"); | |
414 | printf(" ESPpl stringwidth pop dup 12 add exch -0.5 mul %.0f add\n", | |
415 | width * 0.5f); | |
416 | puts(" 1 setgray"); | |
417 | printf(" dup 6 sub %.0f 3 index 20 ESPrf\n", bottom - 2.0); | |
418 | printf(" dup 6 sub %.0f 3 index 20 ESPrf\n", top - 18.0); | |
419 | puts(" 0 setgray"); | |
420 | printf(" dup 6 sub %.0f 3 index 20 ESPrs\n", bottom - 2.0); | |
421 | printf(" dup 6 sub %.0f 3 index 20 ESPrs\n", top - 18.0); | |
422 | printf(" dup %.0f moveto ESPpl show\n", bottom + 2.0); | |
423 | printf(" %.0f moveto ESPpl show\n", top - 14.0); | |
424 | puts("pop"); | |
425 | puts("}bind put"); | |
426 | } | |
427 | ||
428 | ||
429 | /* | |
430 | * 'WriteLabels()' - Write the actual page labels. | |
431 | */ | |
432 | ||
433 | void | |
434 | WriteLabels(int orient) /* I - Orientation of the page */ | |
435 | { | |
436 | float width, /* Width of page */ | |
437 | length; /* Length of page */ | |
438 | ||
439 | ||
440 | puts("gsave"); | |
441 | ||
442 | if ((orient ^ Orientation) & 1) | |
443 | { | |
444 | width = PageLength; | |
445 | length = PageWidth; | |
446 | } | |
447 | else | |
448 | { | |
449 | width = PageWidth; | |
450 | length = PageLength; | |
451 | } | |
452 | ||
453 | switch (orient & 3) | |
454 | { | |
455 | case 1 : /* Landscape */ | |
456 | printf("%.1f 0.0 translate 90 rotate\n", length); | |
457 | break; | |
458 | case 2 : /* Reverse Portrait */ | |
459 | printf("%.1f %.1f translate 180 rotate\n", width, length); | |
460 | break; | |
461 | case 3 : /* Reverse Landscape */ | |
462 | printf("0.0 %.1f translate -90 rotate\n", width); | |
463 | break; | |
464 | } | |
465 | ||
466 | puts("ESPwl"); | |
467 | puts("grestore"); | |
468 | } | |
469 | ||
470 | ||
471 | /* | |
2abf387c | 472 | * 'WriteTextComment()' - Write a DSC text comment. |
473 | */ | |
474 | ||
475 | void | |
476 | WriteTextComment(const char *name, /* I - Comment name ("Title", etc.) */ | |
477 | const char *value) /* I - Comment value */ | |
478 | { | |
479 | int len; /* Current line length */ | |
480 | ||
481 | ||
482 | /* | |
483 | * DSC comments are of the form: | |
484 | * | |
485 | * %%name: value | |
486 | * | |
487 | * The name and value must be limited to 7-bit ASCII for most printers, | |
488 | * so we escape all non-ASCII and ASCII control characters as described | |
489 | * in the Adobe Document Structuring Conventions specification. | |
490 | */ | |
491 | ||
492 | printf("%%%%%s: (", name); | |
493 | len = 5 + strlen(name); | |
494 | ||
495 | while (*value) | |
496 | { | |
497 | if (*value < ' ' || *value >= 127) | |
498 | { | |
499 | /* | |
500 | * Escape this character value... | |
501 | */ | |
502 | ||
503 | if (len >= 251) /* Keep line < 254 chars */ | |
504 | break; | |
505 | ||
506 | printf("\\%03o", *value & 255); | |
507 | len += 4; | |
508 | } | |
509 | else if (*value == '\\') | |
510 | { | |
511 | /* | |
512 | * Escape the backslash... | |
513 | */ | |
514 | ||
515 | if (len >= 253) /* Keep line < 254 chars */ | |
516 | break; | |
517 | ||
518 | putchar('\\'); | |
519 | putchar('\\'); | |
520 | len += 2; | |
521 | } | |
522 | else | |
523 | { | |
524 | /* | |
525 | * Put this character literally... | |
526 | */ | |
527 | ||
528 | if (len >= 254) /* Keep line < 254 chars */ | |
529 | break; | |
530 | ||
531 | putchar(*value); | |
532 | len ++; | |
533 | } | |
534 | ||
535 | value ++; | |
536 | } | |
537 | ||
538 | puts(")"); | |
539 | } | |
540 | ||
541 | ||
542 | /* | |
543 | * End of "$Id: common.c 6003 2006-10-02 16:26:04Z mike $". | |
ef416fc2 | 544 | */ |