]> git.ipfire.org Git - thirdparty/cups.git/blame - cups/dest-options.c
projects / thirdparty / cups.git / blame
? search:
summary | shortlog | log | commit | commitdiff | tree
blob | blame (incremental) | history | HEAD
Merge changes from CUPS 1.7svn-r10755.
[thirdparty/cups.git] / cups / dest-options.c
CommitLineData
dcb445bc
MS		 1/*
2 * "$Id$"
3 *
4 * Destination option/media support for CUPS.
5 *
6 * Copyright 2012 by Apple Inc.
7 *
8 * These coded instructions, statements, and computer programs are the
9 * property of Apple Inc. and are protected by Federal copyright
10 * law. Distribution and use rights are outlined in the file "LICENSE.txt"
11 * which should have been included with this file. If this file is
12 * file is missing or damaged, see the license at "http://www.cups.org/".
13 *
14 * This file is subject to the Apple OS-Developed Software exception.
15 *
16 * Contents:
17 *
a29fd7dd
MS		 18 * cupsCheckDestSupported() - Check that the option and value are supported
19 * by the destination.
20 * cupsCopyDestConflicts() - Get conflicts and resolutions for a new
21 * option/value pair.
22 * cupsCopyDestInfo() - Get the supported values/capabilities for the
23 * destination.
24 * cupsFreeDestInfo() - Free destination information obtained using
25 * @link cupsCopyDestInfo@.
26 * cupsGetDestMediaByName() - Get media names, dimensions, and margins.
27 * cupsGetDestMediaBySize() - Get media names, dimensions, and margins.
28 * cups_add_dconstres() - Add a constraint or resolver to an array.
29 * cups_compare_dconstres() - Compare to resolver entries.
30 * cups_compare_media_db() - Compare two media entries.
31 * cups_copy_media_db() - Copy a media entry.
32 * cups_create_constraints() - Create the constraints and resolvers arrays.
33 * cups_create_defaults() - Create the -default option array.
34 * cups_create_media_db() - Create the media database.
35 * cups_free_media_cb() - Free a media entry.
36 * cups_get_media_db() - Lookup the media entry for a given size.
37 * cups_is_close_media_db() - Compare two media entries to see if they are
38 * close to the same size.
39 * cups_test_constraints() - Test constraints.
dcb445bc
MS		 40 */
41
42/*
43 * Include necessary headers...
44 */
45
46#include "cups-private.h"
47
48
49/*
50 * Local functions...
51 */
52
a29fd7dd
MS		 53static void cups_add_dconstres(cups_array_t *a, ipp_t *collection);
54static int cups_compare_dconstres(_cups_dconstres_t *a,
55 _cups_dconstres_t *b);
dcb445bc
MS		 56static int cups_compare_media_db(_cups_media_db_t *a,
57 _cups_media_db_t *b);
58static _cups_media_db_t *cups_copy_media_db(_cups_media_db_t *mdb);
a29fd7dd
MS		 59static void cups_create_constraints(cups_dinfo_t *dinfo);
60static void cups_create_defaults(cups_dinfo_t *dinfo);
dcb445bc
MS		 61static void cups_create_media_db(cups_dinfo_t *dinfo);
62static void cups_free_media_db(_cups_media_db_t *mdb);
63static int cups_get_media_db(cups_dinfo_t *dinfo,
64 _pwg_media_t *pwg, unsigned flags,
65 cups_size_t *size);
66static int cups_is_close_media_db(_cups_media_db_t *a,
67 _cups_media_db_t *b);
a29fd7dd
MS		 68static cups_array_t *cups_test_constraints(cups_dinfo_t *dinfo,
69 const char *new_option,
70 const char *new_value,
71 int num_options,
72 cups_option_t *options,
73 int *num_conflicts,
74 cups_option_t **conflicts);
75
dcb445bc
MS		 76
77/*
78 * 'cupsCheckDestSupported()' - Check that the option and value are supported
79 * by the destination.
80 *
81 * Returns 1 if supported, 0 otherwise.
82 *
f3c17241 83 * @since CUPS 1.6/OS X 10.8@
dcb445bc
MS		 84 */
85
86int /* O - 1 if supported, 0 otherwise */
87cupsCheckDestSupported(
88 http_t *http, /* I - Connection to destination */
89 cups_dest_t *dest, /* I - Destination */
90 cups_dinfo_t *dinfo, /* I - Destination information */
91 const char *option, /* I - Option */
92 const char *value) /* I - Value */
93{
94 int i; /* Looping var */
95 char temp[1024]; /* Temporary string */
96 int int_value; /* Integer value */
97 int xres_value, /* Horizontal resolution */
98 yres_value; /* Vertical resolution */
99 ipp_res_t units_value; /* Resolution units */
100 ipp_attribute_t *attr; /* Attribute */
101 _ipp_value_t *attrval; /* Current attribute value */
102
103
104 /*
105 * Range check input...
106 */
107
108 if (!http || !dest || !dinfo || !option || !value)
109 return (0);
110
111 /*
112 * Lookup the attribute...
113 */
114
115 if (strstr(option, "-supported"))
116 attr = ippFindAttribute(dinfo->attrs, option, IPP_TAG_ZERO);
117 else
118 {
119 snprintf(temp, sizeof(temp), "%s-supported", option);
120 attr = ippFindAttribute(dinfo->attrs, temp, IPP_TAG_ZERO);
121 }
122
123 if (!attr)
124 return (0);
125
126 /*
127 * Compare values...
128 */
129
130 if (!strcmp(option, "media") && !strncmp(value, "custom_", 7))
131 {
132 /*
133 * Check range of custom media sizes...
134 */
135
136 _pwg_media_t *pwg; /* Current PWG media size info */
137 int min_width, /* Minimum width */
138 min_length, /* Minimum length */
139 max_width, /* Maximum width */
140 max_length; /* Maximum length */
141
142 /*
143 * Get the minimum and maximum size...
144 */
145
146 min_width = min_length = INT_MAX;
147 max_width = max_length = 0;
148
149 for (i = attr->num_values, attrval = attr->values;
150 i > 0;
151 i --, attrval ++)
152 {
153 if (!strncmp(attrval->string.text, "custom_min_", 11) &&
154 (pwg = _pwgMediaForPWG(attrval->string.text)) != NULL)
155 {
156 min_width = pwg->width;
157 min_length = pwg->length;
158 }
159 else if (!strncmp(attrval->string.text, "custom_max_", 11) &&
160 (pwg = _pwgMediaForPWG(attrval->string.text)) != NULL)
161 {
162 max_width = pwg->width;
163 max_length = pwg->length;
164 }
165 }
166
167 /*
168 * Check the range...
169 */
170
171 if (min_width < INT_MAX && max_width > 0 &&
172 (pwg = _pwgMediaForPWG(value)) != NULL &&
173 pwg->width >= min_width && pwg->width <= max_width &&
174 pwg->length >= min_length && pwg->length <= max_length)
175 return (1);
176 }
177 else
178 {
179 /*
180 * Check literal values...
181 */
182
183 switch (attr->value_tag)
184 {
185 case IPP_TAG_INTEGER :
186 case IPP_TAG_ENUM :
187 int_value = atoi(value);
188
189 for (i = 0; i < attr->num_values; i ++)
190 if (attr->values[i].integer == int_value)
191 return (1);
192 break;
193
194 case IPP_TAG_BOOLEAN :
195 return (attr->values[0].boolean);
196
a29fd7dd
MS		 197 case IPP_TAG_RANGE :
198 int_value = atoi(value);
199
200 for (i = 0; i < attr->num_values; i ++)
201 if (int_value >= attr->values[i].range.lower &&
202 int_value <= attr->values[i].range.upper)
203 return (1);
204 break;
205
dcb445bc
MS		 206 case IPP_TAG_RESOLUTION :
207 if (sscanf(value, "%dx%d%15s", &xres_value, &yres_value, temp) != 3)
208 {
209 if (sscanf(value, "%d%15s", &xres_value, temp) != 2)
210 return (0);
211
212 yres_value = xres_value;
213 }
214
215 if (!strcmp(temp, "dpi"))
216 units_value = IPP_RES_PER_INCH;
3e7fe0ca 217 else if (!strcmp(temp, "dpc") || !strcmp(temp, "dpcm"))
dcb445bc
MS		 218 units_value = IPP_RES_PER_CM;
219 else
220 return (0);
221
222 for (i = attr->num_values, attrval = attr->values;
223 i > 0;
224 i --, attrval ++)
225 {
226 if (attrval->resolution.xres == xres_value &&
227 attrval->resolution.yres == yres_value &&
228 attrval->resolution.units == units_value)
229 return (1);
230 }
231 break;
232
233 case IPP_TAG_TEXT :
234 case IPP_TAG_NAME :
235 case IPP_TAG_KEYWORD :
236 case IPP_TAG_CHARSET :
237 case IPP_TAG_URI :
238 case IPP_TAG_URISCHEME :
239 case IPP_TAG_MIMETYPE :
240 case IPP_TAG_LANGUAGE :
241 case IPP_TAG_TEXTLANG :
242 case IPP_TAG_NAMELANG :
243 for (i = 0; i < attr->num_values; i ++)
244 if (!strcmp(attr->values[i].string.text, value))
245 return (1);
246 break;
247
248 default :
249 break;
250 }
251 }
252
253 /*
254 * If we get there the option+value is not supported...
255 */
256
257 return (0);
258}
259
260
261/*
262 * 'cupsCopyDestConflicts()' - Get conflicts and resolutions for a new
263 * option/value pair.
264 *
265 * "num_options" and "options" represent the currently selected options by the
266 * user. "new_option" and "new_value" are the setting the user has just
267 * changed.
268 *
a29fd7dd
MS		 269 * Returns 1 if there is a conflict, 0 if there are no conflicts, and -1 if
270 * there was an unrecoverable error such as a resolver loop.
dcb445bc 271 *
5a9febac
MS		 272 * If "num_conflicts" and "conflicts" are not @code NULL@, they are set to
273 * contain the list of conflicting option/value pairs. Similarly, if
274 * "num_resolved" and "resolved" are not @code NULL@ they will be set to the
275 * list of changes needed to resolve the conflict.
dcb445bc
MS		 276 *
277 * If cupsCopyDestConflicts returns 1 but "num_resolved" and "resolved" are set
5a9febac 278 * to 0 and @code NULL@, respectively, then the conflict cannot be resolved.
dcb445bc 279 *
f3c17241 280 * @since CUPS 1.6/OS X 10.8@
dcb445bc
MS		 281 */
282
a29fd7dd 283int /* O - 1 if there is a conflict, 0 if none, -1 on error */
dcb445bc
MS		 284cupsCopyDestConflicts(
285 http_t *http, /* I - Connection to destination */
286 cups_dest_t *dest, /* I - Destination */
287 cups_dinfo_t *dinfo, /* I - Destination information */
288 int num_options, /* I - Number of current options */
289 cups_option_t *options, /* I - Current options */
290 const char *new_option, /* I - New option */
291 const char *new_value, /* I - New value */
292 int *num_conflicts, /* O - Number of conflicting options */
293 cups_option_t **conflicts, /* O - Conflicting options */
294 int *num_resolved, /* O - Number of options to resolve */
295 cups_option_t **resolved) /* O - Resolved options */
296{
a29fd7dd
MS		 297 int i, /* Looping var */
298 have_conflicts = 0, /* Do we have conflicts? */
299 changed, /* Did we change something? */
300 tries, /* Number of tries for resolution */
301 num_myconf = 0, /* My number of conflicting options */
302 num_myres = 0; /* My number of resolved options */
303 cups_option_t *myconf = NULL, /* My conflicting options */
304 *myres = NULL, /* My resolved options */
305 *myoption, /* My current option */
306 *option; /* Current option */
307 cups_array_t *active, /* Active conflicts */
308 *pass = NULL, /* Resolvers for this pass */
309 *resolvers = NULL, /* Resolvers we have used */
310 *test; /* Test array for conflicts */
311 _cups_dconstres_t *c, /* Current constraint */
312 *r; /* Current resolver */
313 ipp_attribute_t *attr; /* Current attribute */
314 char value[2048]; /* Current attribute value as string */
315 const char *myvalue; /* Current value of an option */
316
317
dcb445bc
MS		 318 /*
319 * Clear returned values...
320 */
321
322 if (num_conflicts)
323 *num_conflicts = 0;
324
325 if (conflicts)
326 *conflicts = NULL;
327
328 if (num_resolved)
329 *num_resolved = 0;
330
331 if (resolved)
332 *resolved = NULL;
333
334 /*
335 * Range check input...
336 */
337
a29fd7dd 338 if (!http || !dest || !dinfo ||
dcb445bc
MS		 339 (num_conflicts != NULL) != (conflicts != NULL) ||
340 (num_resolved != NULL) != (resolved != NULL))
341 return (0);
342
343 /*
a29fd7dd 344 * Load constraints as needed...
dcb445bc
MS		 345 */
346
a29fd7dd
MS		 347 if (!dinfo->constraints)
348 cups_create_constraints(dinfo);
dcb445bc 349
a29fd7dd
MS		 350 if (cupsArrayCount(dinfo->constraints) == 0)
351 return (0);
352
353 if (!dinfo->num_defaults)
354 cups_create_defaults(dinfo);
355
356 /*
357 * If we are resolving, create a shadow array...
358 */
359
360 if (num_resolved)
361 {
362 for (i = num_options, option = options; i > 0; i --, option ++)
363 num_myres = cupsAddOption(option->name, option->value, num_myres, &myres);
364
365 if (new_option && new_value)
366 num_myres = cupsAddOption(new_option, new_value, num_myres, &myres);
367 }
368 else
369 {
370 num_myres = num_options;
371 myres = options;
372 }
373
374 /*
375 * Check for any conflicts...
376 */
377
378 if (num_resolved)
379 pass = cupsArrayNew((cups_array_func_t)cups_compare_dconstres, NULL);
380
381 for (tries = 0; tries < 100; tries ++)
382 {
383 /*
384 * Check for any conflicts...
385 */
386
387 if (num_conflicts || num_resolved)
388 {
389 cupsFreeOptions(num_myconf, myconf);
390
391 num_myconf = 0;
392 myconf = NULL;
393 active = cups_test_constraints(dinfo, new_option, new_value,
394 num_myres, myres, &num_myconf,
395 &myconf);
396 }
397 else
398 active = cups_test_constraints(dinfo, new_option, new_value, num_myres,
399 myres, NULL, NULL);
400
401 have_conflicts = (active != NULL);
402
403 if (!active || !num_resolved)
404 break; /* All done */
405
406 /*
407 * Scan the constraints that were triggered to apply resolvers...
408 */
409
410 if (!resolvers)
411 resolvers = cupsArrayNew((cups_array_func_t)cups_compare_dconstres, NULL);
412
413 for (c = (_cups_dconstres_t *)cupsArrayFirst(active), changed = 0;
414 c;
415 c = (_cups_dconstres_t *)cupsArrayNext(active))
416 {
417 if (cupsArrayFind(pass, c))
418 continue; /* Already applied this resolver... */
419
420 if (cupsArrayFind(resolvers, c))
421 {
422 DEBUG_printf(("1cupsCopyDestConflicts: Resolver loop with %s.",
423 c->name));
424 have_conflicts = -1;
425 goto cleanup;
426 }
427
428 if ((r = cupsArrayFind(dinfo->resolvers, c)) == NULL)
429 {
430 DEBUG_printf(("1cupsCopyDestConflicts: Resolver %s not found.",
431 c->name));
432 have_conflicts = -1;
433 goto cleanup;
434 }
435
436 /*
437 * Add the options from the resolver...
438 */
439
440 cupsArrayAdd(pass, r);
441 cupsArrayAdd(resolvers, r);
442
443 for (attr = ippFirstAttribute(r->collection);
444 attr;
445 attr = ippNextAttribute(r->collection))
446 {
447 if (new_option && !strcmp(attr->name, new_option))
448 continue; /* Ignore this if we just changed it */
449
450 if (ippAttributeString(attr, value, sizeof(value)) >= sizeof(value))
451 continue; /* Ignore if the value is too long */
452
453 if ((test = cups_test_constraints(dinfo, attr->name, value, num_myres,
454 myres, NULL, NULL)) == NULL)
455 {
456 /*
457 * That worked, flag it...
458 */
459
460 changed = 1;
461 }
462 else
463 cupsArrayDelete(test);
464
465 /*
466 * Add the option/value from the resolver regardless of whether it
467 * worked; this makes sure that we can cascade several changes to
468 * make things resolve...
469 */
470
471 num_myres = cupsAddOption(attr->name, value, num_myres, &myres);
472 }
473 }
474
475 if (!changed)
476 {
477 DEBUG_puts("1cupsCopyDestConflicts: Unable to resolve constraints.");
478 have_conflicts = -1;
479 goto cleanup;
480 }
481
482 cupsArrayClear(pass);
483
484 cupsArrayDelete(active);
485 active = NULL;
486 }
487
488 if (tries >= 0)
489 {
490 DEBUG_puts("1cupsCopyDestConflicts: Unable to resolve after 100 tries.");
491 have_conflicts = -1;
492 goto cleanup;
493 }
494
495 /*
496 * Copy resolved options as needed...
497 */
498
499 if (num_resolved)
500 {
501 for (i = num_myres, myoption = myres; i > 0; i --, myoption ++)
502 {
503 if ((myvalue = cupsGetOption(myoption->name, num_options,
504 options)) == NULL ||
505 strcmp(myvalue, myoption->value))
506 {
507 if (new_option && !strcmp(new_option, myoption->name) &&
508 new_value && !strcmp(new_value, myoption->value))
509 continue;
510
511 *num_resolved = cupsAddOption(myoption->name, myoption->value,
512 *num_resolved, resolved);
513 }
514 }
515 }
516
517 /*
518 * Clean up...
519 */
520
521 cleanup:
522
523 cupsArrayDelete(active);
524 cupsArrayDelete(pass);
525 cupsArrayDelete(resolvers);
526
527 if (num_resolved)
528 {
529 /*
530 * Free shadow copy of options...
531 */
532
533 cupsFreeOptions(num_myres, myres);
534 }
535
536 if (num_conflicts)
537 {
538 /*
539 * Return conflicting options to caller...
540 */
541
542 *num_conflicts = num_myconf;
543 *conflicts = myconf;
544 }
545 else
546 {
547 /*
548 * Free conflicting options...
549 */
550
551 cupsFreeOptions(num_myconf, myconf);
552 }
553
554 return (have_conflicts);
dcb445bc
MS		 555}
556
557
558/*
559 * 'cupsCopyDestInfo()' - Get the supported values/capabilities for the
560 * destination.
561 *
562 * The caller is responsible for calling @link cupsFreeDestInfo@ on the return
563 * value. @code NULL@ is returned on error.
564 *
f3c17241 565 * @since CUPS 1.6/OS X 10.8@
dcb445bc
MS		 566 */
567
568cups_dinfo_t * /* O - Destination information */
569cupsCopyDestInfo(
570 http_t *http, /* I - Connection to destination */
571 cups_dest_t *dest) /* I - Destination */
572{
573 cups_dinfo_t *dinfo; /* Destination information */
574 ipp_t *request, /* Get-Printer-Attributes request */
575 *response; /* Supported attributes */
a29fd7dd
MS		 576 int tries, /* Number of tries so far */
577 delay, /* Current retry delay */
578 prev_delay; /* Next retry delay */
dcb445bc
MS		 579 const char *uri; /* Printer URI */
580 char resource[1024]; /* Resource path */
581 int version; /* IPP version */
582 ipp_status_t status; /* Status of request */
583 static const char * const requested_attrs[] =
584 { /* Requested attributes */
585 "job-template",
586 "media-col-database",
587 "printer-description"
588 };
589
590
591 DEBUG_printf(("cupsCopyDestSupported(http=%p, dest=%p(%s))", http, dest,
592 dest ? dest->name : ""));
593
594 /*
595 * Range check input...
596 */
597
598 if (!http || !dest)
599 return (NULL);
600
601 /*
602 * Get the printer URI and resource path...
603 */
604
605 if ((uri = _cupsGetDestResource(dest, resource, sizeof(resource))) == NULL)
606 return (NULL);
607
608 /*
609 * Get the supported attributes...
610 */
611
a29fd7dd
MS		 612 delay = 1;
613 prev_delay = 1;
614 tries = 0;
615 version = 20;
dcb445bc
MS		 616
617 do
618 {
619 /*
620 * Send a Get-Printer-Attributes request...
621 */
622
623 request = ippNewRequest(IPP_GET_PRINTER_ATTRIBUTES);
624 ippAddString(request, IPP_TAG_OPERATION, IPP_TAG_URI, "printer-uri", NULL,
625 uri);
626 ippAddString(request, IPP_TAG_OPERATION, IPP_TAG_NAME, "requesting-user-name",
627 NULL, cupsUser());
628 ippAddStrings(request, IPP_TAG_OPERATION, IPP_TAG_KEYWORD,
629 "requested-attributes",
630 (int)(sizeof(requested_attrs) / sizeof(requested_attrs[0])),
631 NULL, requested_attrs);
632 response = cupsDoRequest(http, request, resource);
633 status = cupsLastError();
634
635 if (status > IPP_OK_SUBST)
636 {
637 DEBUG_printf(("cupsCopyDestSupported: Get-Printer-Attributes for '%s' "
638 "returned %s (%s)", dest->name, ippErrorString(status),
639 cupsLastErrorString()));
640
641 ippDelete(response);
642 response = NULL;
643
644 if (status == IPP_VERSION_NOT_SUPPORTED && version > 11)
645 version = 11;
a29fd7dd
MS		 646 else if (status == IPP_PRINTER_BUSY)
647 {
648 sleep(delay);
649
650 delay = _cupsNextDelay(delay, &prev_delay);
651 }
dcb445bc
MS		 652 else
653 return (NULL);
654 }
a29fd7dd
MS		 655
656 tries ++;
dcb445bc 657 }
a29fd7dd
MS		 658 while (!response && tries < 10);
659
660 if (!response)
661 return (NULL);
dcb445bc
MS		 662
663 /*
664 * Allocate a cups_dinfo_t structure and return it...
665 */
666
667 if ((dinfo = calloc(1, sizeof(cups_dinfo_t))) == NULL)
668 {
669 _cupsSetError(IPP_INTERNAL_ERROR, strerror(errno), 0);
670 ippDelete(response);
671 return (NULL);
672 }
673
674 dinfo->uri = uri;
675 dinfo->resource = _cupsStrAlloc(resource);
676 dinfo->attrs = response;
677
678 return (dinfo);
679}
680
681
682/*
683 * 'cupsFreeDestInfo()' - Free destination information obtained using
684 * @link cupsCopyDestInfo@.
685 */
686
687void
688cupsFreeDestInfo(cups_dinfo_t *dinfo) /* I - Destination information */
689{
690 /*
691 * Range check input...
692 */
693
694 if (!dinfo)
695 return;
696
697 /*
698 * Free memory and return...
699 */
700
701 _cupsStrFree(dinfo->resource);
702
dcb445bc 703 cupsArrayDelete(dinfo->constraints);
a29fd7dd 704 cupsArrayDelete(dinfo->resolvers);
dcb445bc
MS		 705
706 cupsArrayDelete(dinfo->localizations);
707
708 cupsArrayDelete(dinfo->media_db);
709
a29fd7dd
MS		 710 ippDelete(dinfo->attrs);
711
dcb445bc
MS		 712 free(dinfo);
713}
714
715
716/*
717 * 'cupsGetDestMediaByName()' - Get media names, dimensions, and margins.
718 *
5a9febac 719 * The "media" string is a PWG media name. "Flags" provides some matching
dcb445bc
MS		 720 * guidance (multiple flags can be combined):
721 *
5a9febac
MS		 722 * CUPS_MEDIA_FLAGS_DEFAULT = find the closest size supported by the printer,
723 * CUPS_MEDIA_FLAGS_BORDERLESS = find a borderless size,
724 * CUPS_MEDIA_FLAGS_DUPLEX = find a size compatible with 2-sided printing,
725 * CUPS_MEDIA_FLAGS_EXACT = find an exact match for the size, and
dcb445bc
MS		 726 * CUPS_MEDIA_FLAGS_READY = if the printer supports media sensing, find the
727 * size amongst the "ready" media.
728 *
729 * The matching result (if any) is returned in the "cups_size_t" structure.
730 *
731 * Returns 1 when there is a match and 0 if there is not a match.
732 *
f3c17241 733 * @since CUPS 1.6/OS X 10.8@
dcb445bc
MS		 734 */
735
736int /* O - 1 on match, 0 on failure */
737cupsGetDestMediaByName(
738 http_t *http, /* I - Connection to destination */
739 cups_dest_t *dest, /* I - Destination */
740 cups_dinfo_t *dinfo, /* I - Destination information */
741 const char *media, /* I - Media name */
742 unsigned flags, /* I - Media matching flags */
743 cups_size_t *size) /* O - Media size information */
744{
745 _pwg_media_t *pwg; /* PWG media info */
746
747
748 /*
749 * Range check input...
750 */
751
752 if (size)
753 memset(size, 0, sizeof(cups_size_t));
754
755 if (!http || !dest || !dinfo || !media || !size)
756 {
757 _cupsSetError(IPP_INTERNAL_ERROR, strerror(EINVAL), 0);
758 return (0);
759 }
760
761 /*
762 * Lookup the media size name...
763 */
764
765 if ((pwg = _pwgMediaForPWG(media)) == NULL)
766 if ((pwg = _pwgMediaForLegacy(media)) == NULL)
767 {
768 DEBUG_printf(("1cupsGetDestMediaByName: Unknown size '%s'.", media));
769 _cupsSetError(IPP_INTERNAL_ERROR, _("Unknown media size name."), 1);
770 return (0);
771 }
772
773 /*
774 * Lookup the size...
775 */
776
777 return (cups_get_media_db(dinfo, pwg, flags, size));
778}
779
780
781/*
782 * 'cupsGetDestMediaBySize()' - Get media names, dimensions, and margins.
783 *
5a9febac
MS		 784 * "Width" and "length" are the dimensions in hundredths of millimeters.
785 * "Flags" provides some matching guidance (multiple flags can be combined):
dcb445bc 786 *
5a9febac
MS		 787 * CUPS_MEDIA_FLAGS_DEFAULT = find the closest size supported by the printer,
788 * CUPS_MEDIA_FLAGS_BORDERLESS = find a borderless size,
789 * CUPS_MEDIA_FLAGS_DUPLEX = find a size compatible with 2-sided printing,
790 * CUPS_MEDIA_FLAGS_EXACT = find an exact match for the size, and
dcb445bc
MS		 791 * CUPS_MEDIA_FLAGS_READY = if the printer supports media sensing, find the
792 * size amongst the "ready" media.
793 *
794 * The matching result (if any) is returned in the "cups_size_t" structure.
795 *
796 * Returns 1 when there is a match and 0 if there is not a match.
797 *
f3c17241 798 * @since CUPS 1.6/OS X 10.8@
dcb445bc
MS		 799 */
800
801int /* O - 1 on match, 0 on failure */
802cupsGetDestMediaBySize(
803 http_t *http, /* I - Connection to destination */
804 cups_dest_t *dest, /* I - Destination */
805 cups_dinfo_t *dinfo, /* I - Destination information */
806 int width, /* I - Media width in hundredths of
807 * of millimeters */
808 int length, /* I - Media length in hundredths of
809 * of millimeters */
810 unsigned flags, /* I - Media matching flags */
811 cups_size_t *size) /* O - Media size information */
812{
813 _pwg_media_t *pwg; /* PWG media info */
814
815
816 /*
817 * Range check input...
818 */
819
820 if (size)
821 memset(size, 0, sizeof(cups_size_t));
822
823 if (!http || !dest || !dinfo || width <= 0 || length <= 0 || !size)
824 {
825 _cupsSetError(IPP_INTERNAL_ERROR, strerror(EINVAL), 0);
826 return (0);
827 }
828
829 /*
830 * Lookup the media size name...
831 */
832
833 if ((pwg = _pwgMediaForSize(width, length)) == NULL)
834 {
835 DEBUG_printf(("1cupsGetDestMediaBySize: Invalid size %dx%d.", width,
836 length));
837 _cupsSetError(IPP_INTERNAL_ERROR, _("Invalid media size."), 1);
838 return (0);
839 }
840
841 /*
842 * Lookup the size...
843 */
844
845 return (cups_get_media_db(dinfo, pwg, flags, size));
846}
847
848
a29fd7dd
MS		 849/*
850 * 'cups_add_dconstres()' - Add a constraint or resolver to an array.
851 */
852
853static void
854cups_add_dconstres(
855 cups_array_t *a, /* I - Array */
856 ipp_t *collection) /* I - Collection value */
857{
858 ipp_attribute_t *attr; /* Attribute */
859 _cups_dconstres_t *temp; /* Current constraint/resolver */
860
861
862 if ((attr = ippFindAttribute(collection, "resolver-name",
863 IPP_TAG_NAME)) == NULL)
864 return;
865
866 if ((temp = calloc(1, sizeof(_cups_dconstres_t))) == NULL)
867 return;
868
869 temp->name = attr->values[0].string.text;
870 temp->collection = collection;
871
872 cupsArrayAdd(a, temp);
873}
874
875
876/*
877 * 'cups_compare_dconstres()' - Compare to resolver entries.
878 */
879
880static int /* O - Result of comparison */
881cups_compare_dconstres(
882 _cups_dconstres_t *a, /* I - First resolver */
883 _cups_dconstres_t *b) /* I - Second resolver */
884{
885 return (strcmp(a->name, b->name));
886}
887
888
dcb445bc
MS		 889/*
890 * 'cups_compare_media_db()' - Compare two media entries.
891 */
892
893static int /* O - Result of comparison */
894cups_compare_media_db(
895 _cups_media_db_t *a, /* I - First media entries */
896 _cups_media_db_t *b) /* I - Second media entries */
897{
898 int result; /* Result of comparison */
899
900
901 if ((result = a->width - b->width) == 0)
902 result = a->length - b->length;
903
904 return (result);
905}
906
907
908/*
909 * 'cups_copy_media_db()' - Copy a media entry.
910 */
911
912static _cups_media_db_t * /* O - New media entry */
913cups_copy_media_db(
914 _cups_media_db_t *mdb) /* I - Media entry to copy */
915{
916 _cups_media_db_t *temp; /* New media entry */
917
918
919 if ((temp = calloc(1, sizeof(_cups_media_db_t))) == NULL)
920 return (NULL);
921
922 if (mdb->color)
923 temp->color = _cupsStrAlloc(mdb->color);
924 if (mdb->key)
925 temp->key = _cupsStrAlloc(mdb->key);
926 if (mdb->info)
927 temp->info = _cupsStrAlloc(mdb->info);
928 if (mdb->size_name)
929 temp->size_name = _cupsStrAlloc(mdb->size_name);
930 if (mdb->source)
931 temp->source = _cupsStrAlloc(mdb->source);
932 if (mdb->type)
933 temp->type = _cupsStrAlloc(mdb->type);
934
935 temp->width = mdb->width;
936 temp->length = mdb->length;
937 temp->bottom = mdb->bottom;
938 temp->left = mdb->left;
939 temp->right = mdb->right;
940 temp->top = mdb->top;
941
942 return (temp);
943}
944
945
a29fd7dd
MS		 946/*
947 * 'cups_create_constraints()' - Create the constraints and resolvers arrays.
948 */
949
950static void
951cups_create_constraints(
952 cups_dinfo_t *dinfo) /* I - Destination information */
953{
954 int i; /* Looping var */
955 ipp_attribute_t *attr; /* Attribute */
956 _ipp_value_t *val; /* Current value */
957
958
959 dinfo->constraints = cupsArrayNew3(NULL, NULL, NULL, 0, NULL,
960 (cups_afree_func_t)free);
961 dinfo->resolvers = cupsArrayNew3((cups_array_func_t)cups_compare_dconstres,
962 NULL, NULL, 0, NULL,
963 (cups_afree_func_t)free);
964
965 if ((attr = ippFindAttribute(dinfo->attrs, "job-constraints-supported",
966 IPP_TAG_BEGIN_COLLECTION)) != NULL)
967 {
968 for (i = attr->num_values, val = attr->values; i > 0; i --, val ++)
969 cups_add_dconstres(dinfo->constraints, val->collection);
970 }
971
972 if ((attr = ippFindAttribute(dinfo->attrs, "job-resolvers-supported",
973 IPP_TAG_BEGIN_COLLECTION)) != NULL)
974 {
975 for (i = attr->num_values, val = attr->values; i > 0; i --, val ++)
976 cups_add_dconstres(dinfo->resolvers, val->collection);
977 }
978}
979
980
981/*
982 * 'cups_create_defaults()' - Create the -default option array.
983 *
984 * TODO: Need to support collection defaults...
985 */
986
987static void
988cups_create_defaults(
989 cups_dinfo_t *dinfo) /* I - Destination information */
990{
991 ipp_attribute_t *attr; /* Current attribute */
992 char name[IPP_MAX_NAME + 1],
993 /* Current name */
994 *nameptr, /* Pointer into current name */
995 value[2048]; /* Current value */
996
997
998 /*
999 * Iterate through the printer attributes looking for xxx-default and adding
1000 * xxx=value to the defaults option array.
1001 */
1002
1003 for (attr = ippFirstAttribute(dinfo->attrs);
1004 attr;
1005 attr = ippNextAttribute(dinfo->attrs))
1006 {
1007 if (!attr->name || attr->group_tag != IPP_TAG_PRINTER)
1008 continue;
1009
1010 if (attr->value_tag == IPP_TAG_BEGIN_COLLECTION)
1011 continue; /* TODO: STR #4096 */
1012
1013 if ((nameptr = attr->name + strlen(attr->name) - 8) <= attr->name ||
1014 strcmp(nameptr, "-default"))
1015 continue;
1016
1017 strlcpy(name, attr->name, sizeof(name));
1018 if ((nameptr = name + strlen(name) - 8) <= name ||
1019 strcmp(nameptr, "-default"))
1020 continue;
1021
1022 *nameptr = '\0';
1023
1024 if (ippAttributeString(attr, value, sizeof(value)) >= sizeof(value))
1025 continue;
1026
1027 dinfo->num_defaults = cupsAddOption(name, value, dinfo->num_defaults,
1028 &dinfo->defaults);
1029 }
1030}
1031
1032
dcb445bc
MS		 1033/*
1034 * 'cups_create_media_db()' - Create the media database.
1035 */
1036
1037static void
1038cups_create_media_db(
1039 cups_dinfo_t *dinfo) /* I - Destination information */
1040{
1041 int i; /* Looping var */
1042 _ipp_value_t *val; /* Current value */
1043 ipp_attribute_t *media_col_db, /* media-col-database */
1044 *media_attr, /* media-xxx */
1045 *x_dimension, /* x-dimension */
1046 *y_dimension; /* y-dimension */
1047 _pwg_media_t *pwg; /* PWG media info */
1048 _cups_media_db_t mdb; /* Media entry */
1049
1050
1051 dinfo->media_db = cupsArrayNew3((cups_array_func_t)cups_compare_media_db,
1052 NULL, NULL, 0,
1053 (cups_acopy_func_t)cups_copy_media_db,
1054 (cups_afree_func_t)cups_free_media_db);
1055 dinfo->min_size.width = INT_MAX;
1056 dinfo->min_size.length = INT_MAX;
1057 dinfo->max_size.width = 0;
1058 dinfo->max_size.length = 0;
1059
1060 if ((media_col_db = ippFindAttribute(dinfo->attrs, "media-col-database",
1061 IPP_TAG_BEGIN_COLLECTION)) != NULL)
1062 {
1063 _ipp_value_t *custom = NULL; /* Custom size range value */
1064
1065 for (i = media_col_db->num_values, val = media_col_db->values;
1066 i > 0;
1067 i --, val ++)
1068 {
1069 memset(&mdb, 0, sizeof(mdb));
1070
1071 if ((media_attr = ippFindAttribute(val->collection, "media-size",
1072 IPP_TAG_BEGIN_COLLECTION)) != NULL)
1073 {
1074 ipp_t *media_size = media_attr->values[0].collection;
1075 /* media-size collection value */
1076
1077 if ((x_dimension = ippFindAttribute(media_size, "x-dimension",
1078 IPP_TAG_INTEGER)) != NULL &&
1079 (y_dimension = ippFindAttribute(media_size, "y-dimension",
1080 IPP_TAG_INTEGER)) != NULL)
1081 {
1082 mdb.width = x_dimension->values[0].integer;
1083 mdb.length = y_dimension->values[0].integer;
1084 }
1085 else if ((x_dimension = ippFindAttribute(media_size, "x-dimension",
1086 IPP_TAG_RANGE)) != NULL &&
1087 (y_dimension = ippFindAttribute(media_size, "y-dimension",
1088 IPP_TAG_RANGE)) != NULL)
1089 {
1090 /*
1091 * Custom size range; save this as the custom size value with default
1092 * margins, then continue; we'll capture the real margins below...
1093 */
1094
1095 custom = val;
1096
1097 dinfo->min_size.width = x_dimension->values[0].range.lower;
1098 dinfo->min_size.length = y_dimension->values[0].range.lower;
1099 dinfo->min_size.left =
1100 dinfo->min_size.right = 635; /* Default 1/4" side margins */
1101 dinfo->min_size.top =
1102 dinfo->min_size.bottom = 1270; /* Default 1/2" top/bottom margins */
1103
1104 dinfo->max_size.width = x_dimension->values[0].range.upper;
1105 dinfo->max_size.length = y_dimension->values[0].range.upper;
1106 dinfo->max_size.left =
1107 dinfo->max_size.right = 635; /* Default 1/4" side margins */
1108 dinfo->max_size.top =
1109 dinfo->max_size.bottom = 1270; /* Default 1/2" top/bottom margins */
1110
1111 continue;
1112 }
1113 }
1114
1115 if ((media_attr = ippFindAttribute(val->collection, "media-color",
1116 IPP_TAG_ZERO)) != NULL &&
1117 (media_attr->value_tag == IPP_TAG_NAME ||
1118 media_attr->value_tag == IPP_TAG_NAMELANG ||
1119 media_attr->value_tag == IPP_TAG_KEYWORD))
1120 mdb.color = media_attr->values[0].string.text;
1121
1122 if ((media_attr = ippFindAttribute(val->collection, "media-info",
1123 IPP_TAG_TEXT)) != NULL)
1124 mdb.info = media_attr->values[0].string.text;
1125
1126 if ((media_attr = ippFindAttribute(val->collection, "media-key",
1127 IPP_TAG_ZERO)) != NULL &&
1128 (media_attr->value_tag == IPP_TAG_NAME ||
1129 media_attr->value_tag == IPP_TAG_NAMELANG ||
1130 media_attr->value_tag == IPP_TAG_KEYWORD))
1131 mdb.key = media_attr->values[0].string.text;
1132
1133 if ((media_attr = ippFindAttribute(val->collection, "media-size-name",
1134 IPP_TAG_ZERO)) != NULL &&
1135 (media_attr->value_tag == IPP_TAG_NAME ||
1136 media_attr->value_tag == IPP_TAG_NAMELANG ||
1137 media_attr->value_tag == IPP_TAG_KEYWORD))
1138 mdb.size_name = media_attr->values[0].string.text;
1139
1140 if ((media_attr = ippFindAttribute(val->collection, "media-source",
1141 IPP_TAG_ZERO)) != NULL &&
1142 (media_attr->value_tag == IPP_TAG_NAME ||
1143 media_attr->value_tag == IPP_TAG_NAMELANG ||
1144 media_attr->value_tag == IPP_TAG_KEYWORD))
1145 mdb.source = media_attr->values[0].string.text;
1146
1147 if ((media_attr = ippFindAttribute(val->collection, "media-type",
1148 IPP_TAG_ZERO)) != NULL &&
1149 (media_attr->value_tag == IPP_TAG_NAME ||
1150 media_attr->value_tag == IPP_TAG_NAMELANG ||
1151 media_attr->value_tag == IPP_TAG_KEYWORD))
1152 mdb.type = media_attr->values[0].string.text;
1153
1154 if ((media_attr = ippFindAttribute(val->collection, "media-bottom-margin",
1155 IPP_TAG_INTEGER)) != NULL)
1156 mdb.bottom = media_attr->values[0].integer;
1157
1158 if ((media_attr = ippFindAttribute(val->collection, "media-left-margin",
1159 IPP_TAG_INTEGER)) != NULL)
1160 mdb.left = media_attr->values[0].integer;
1161
1162 if ((media_attr = ippFindAttribute(val->collection, "media-right-margin",
1163 IPP_TAG_INTEGER)) != NULL)
1164 mdb.right = media_attr->values[0].integer;
1165
1166 if ((media_attr = ippFindAttribute(val->collection, "media-top-margin",
1167 IPP_TAG_INTEGER)) != NULL)
1168 mdb.top = media_attr->values[0].integer;
1169
1170 cupsArrayAdd(dinfo->media_db, &mdb);
1171 }
1172
1173 if (custom)
1174 {
1175 if ((media_attr = ippFindAttribute(custom->collection,
1176 "media-bottom-margin",
1177 IPP_TAG_INTEGER)) != NULL)
1178 {
1179 dinfo->min_size.top =
1180 dinfo->max_size.top = media_attr->values[0].integer;
1181 }
1182
1183 if ((media_attr = ippFindAttribute(custom->collection,
1184 "media-left-margin",
1185 IPP_TAG_INTEGER)) != NULL)
1186 {
1187 dinfo->min_size.left =
1188 dinfo->max_size.left = media_attr->values[0].integer;
1189 }
1190
1191 if ((media_attr = ippFindAttribute(custom->collection,
1192 "media-right-margin",
1193 IPP_TAG_INTEGER)) != NULL)
1194 {
1195 dinfo->min_size.right =
1196 dinfo->max_size.right = media_attr->values[0].integer;
1197 }
1198
1199 if ((media_attr = ippFindAttribute(custom->collection,
1200 "media-top-margin",
1201 IPP_TAG_INTEGER)) != NULL)
1202 {
1203 dinfo->min_size.top =
1204 dinfo->max_size.top = media_attr->values[0].integer;
1205 }
1206 }
1207 }
1208 else if ((media_attr = ippFindAttribute(dinfo->attrs, "media-supported",
1209 IPP_TAG_ZERO)) != NULL &&
1210 (media_attr->value_tag == IPP_TAG_NAME ||
1211 media_attr->value_tag == IPP_TAG_NAMELANG ||
1212 media_attr->value_tag == IPP_TAG_KEYWORD))
1213 {
1214 memset(&mdb, 0, sizeof(mdb));
1215
1216 mdb.left =
1217 mdb.right = 635; /* Default 1/4" side margins */
1218 mdb.top =
1219 mdb.bottom = 1270; /* Default 1/2" top/bottom margins */
1220
82cc1f9a 1221 for (i = media_attr->num_values, val = media_attr->values;
dcb445bc
MS		 1222 i > 0;
1223 i --, val ++)
1224 {
1225 if ((pwg = _pwgMediaForPWG(val->string.text)) == NULL)
1226 if ((pwg = _pwgMediaForLegacy(val->string.text)) == NULL)
1227 {
1228 DEBUG_printf(("3cups_create_media_db: Ignoring unknown size '%s'.",
1229 val->string.text));
1230 continue;
1231 }
1232
1233 mdb.width = pwg->width;
1234 mdb.length = pwg->length;
1235
1236 if (!strncmp(val->string.text, "custom_min_", 11))
1237 {
1238 mdb.size_name = NULL;
1239 dinfo->min_size = mdb;
1240 }
1241 else if (!strncmp(val->string.text, "custom_max_", 11))
1242 {
1243 mdb.size_name = NULL;
1244 dinfo->max_size = mdb;
1245 }
1246 else
1247 {
1248 mdb.size_name = val->string.text;
1249
1250 cupsArrayAdd(dinfo->media_db, &mdb);
1251 }
1252 }
1253 }
1254}
1255
1256
1257/*
1258 * 'cups_free_media_cb()' - Free a media entry.
1259 */
1260
1261static void
1262cups_free_media_db(
1263 _cups_media_db_t *mdb) /* I - Media entry to free */
1264{
1265 if (mdb->color)
1266 _cupsStrFree(mdb->color);
1267 if (mdb->key)
1268 _cupsStrFree(mdb->key);
1269 if (mdb->info)
1270 _cupsStrFree(mdb->info);
1271 if (mdb->size_name)
1272 _cupsStrFree(mdb->size_name);
1273 if (mdb->source)
1274 _cupsStrFree(mdb->source);
1275 if (mdb->type)
1276 _cupsStrFree(mdb->type);
1277
1278 free(mdb);
1279}
1280
1281
1282/*
1283 * 'cups_get_media_db()' - Lookup the media entry for a given size.
1284 */
1285
1286static int /* O - 1 on match, 0 on failure */
1287cups_get_media_db(cups_dinfo_t *dinfo, /* I - Destination information */
1288 _pwg_media_t *pwg, /* I - PWG media info */
1289 unsigned flags, /* I - Media matching flags */
1290 cups_size_t *size) /* O - Media size/margin/name info */
1291{
1292 _cups_media_db_t *mdb, /* Current media database entry */
1293 *best = NULL, /* Best matching entry */
1294 key; /* Search key */
1295
1296
1297 /*
1298 * Create the media database as needed...
1299 */
1300
1301 if (!dinfo->media_db)
1302 cups_create_media_db(dinfo);
1303
1304 /*
1305 * Find a match...
1306 */
1307
1308 memset(&key, 0, sizeof(key));
1309 key.width = pwg->width;
1310 key.length = pwg->length;
1311
1312 if ((mdb = cupsArrayFind(dinfo->media_db, &key)) != NULL)
1313 {
1314 /*
1315 * Found an exact match, let's figure out the best margins for the flags
1316 * supplied...
1317 */
1318
1319 best = mdb;
1320
1321 if (flags & CUPS_MEDIA_FLAGS_BORDERLESS)
1322 {
1323 /*
1324 * Look for the smallest margins...
1325 */
1326
1327 if (best->left != 0 || best->right != 0 || best->top != 0 ||
1328 best->bottom != 0)
1329 {
1330 for (mdb = (_cups_media_db_t *)cupsArrayNext(dinfo->media_db);
1331 mdb && !cups_compare_media_db(mdb, &key);
1332 mdb = (_cups_media_db_t *)cupsArrayNext(dinfo->media_db))
1333 {
1334 if (mdb->left <= best->left && mdb->right <= best->right &&
1335 mdb->top <= best->top && mdb->bottom <= best->bottom)
1336 {
1337 best = mdb;
1338 if (mdb->left == 0 && mdb->right == 0 && mdb->bottom == 0 &&
1339 mdb->top == 0)
1340 break;
1341 }
1342 }
1343 }
1344
1345 /*
1346 * If we need an exact match, return no-match if the size is not
1347 * borderless.
1348 */
1349
1350 if ((flags & CUPS_MEDIA_FLAGS_EXACT) &&
1351 (best->left || best->right || best->top || best->bottom))
1352 return (0);
1353 }
1354 else if (flags & CUPS_MEDIA_FLAGS_DUPLEX)
1355 {
1356 /*
1357 * Look for the largest margins...
1358 */
1359
1360 for (mdb = (_cups_media_db_t *)cupsArrayNext(dinfo->media_db);
1361 mdb && !cups_compare_media_db(mdb, &key);
1362 mdb = (_cups_media_db_t *)cupsArrayNext(dinfo->media_db))
1363 {
1364 if (mdb->left >= best->left && mdb->right >= best->right &&
1365 mdb->top >= best->top && mdb->bottom >= best->bottom)
1366 best = mdb;
1367 }
1368 }
1369 else
1370 {
1371 /*
1372 * Look for the smallest non-zero margins...
1373 */
1374
1375 for (mdb = (_cups_media_db_t *)cupsArrayNext(dinfo->media_db);
1376 mdb && !cups_compare_media_db(mdb, &key);
1377 mdb = (_cups_media_db_t *)cupsArrayNext(dinfo->media_db))
1378 {
1379 if (((mdb->left > 0 && mdb->left <= best->left) || best->left == 0) &&
1380 ((mdb->right > 0 && mdb->right <= best->right) ||
1381 best->right == 0) &&
1382 ((mdb->top > 0 && mdb->top <= best->top) || best->top == 0) &&
1383 ((mdb->bottom > 0 && mdb->bottom <= best->bottom) ||
1384 best->bottom == 0))
1385 best = mdb;
1386 }
1387 }
1388 }
1389 else if (flags & CUPS_MEDIA_FLAGS_EXACT)
1390 {
1391 /*
1392 * See if we can do this as a custom size...
1393 */
1394
1395 if (pwg->width < dinfo->min_size.width ||
1396 pwg->width > dinfo->max_size.width ||
1397 pwg->length < dinfo->min_size.length ||
1398 pwg->length > dinfo->max_size.length)
1399 return (0); /* Out of range */
1400
1401 if ((flags & CUPS_MEDIA_FLAGS_BORDERLESS) &&
1402 (dinfo->min_size.left > 0 || dinfo->min_size.right > 0 ||
1403 dinfo->min_size.top > 0 || dinfo->min_size.bottom > 0))
1404 return (0); /* Not borderless */
1405
1406 key.size_name = (char *)pwg->pwg;
1407 key.bottom = dinfo->min_size.bottom;
1408 key.left = dinfo->min_size.left;
1409 key.right = dinfo->min_size.right;
1410 key.top = dinfo->min_size.top;
1411
1412 best = &key;
1413 }
1414 else if (pwg->width >= dinfo->min_size.width &&
1415 pwg->width <= dinfo->max_size.width &&
1416 pwg->length >= dinfo->min_size.length &&
1417 pwg->length <= dinfo->max_size.length)
1418 {
1419 /*
1420 * Map to custom size...
1421 */
1422
1423 key.size_name = (char *)pwg->pwg;
1424 key.bottom = dinfo->min_size.bottom;
1425 key.left = dinfo->min_size.left;
1426 key.right = dinfo->min_size.right;
1427 key.top = dinfo->min_size.top;
1428
1429 best = &key;
1430 }
1431 else
1432 {
1433 /*
1434 * Find a close size...
1435 */
1436
1437 for (mdb = (_cups_media_db_t *)cupsArrayFirst(dinfo->media_db);
1438 mdb;
1439 mdb = (_cups_media_db_t *)cupsArrayNext(dinfo->media_db))
1440 if (cups_is_close_media_db(mdb, &key))
1441 break;
1442
1443 if (!mdb)
1444 return (0);
1445
1446 best = mdb;
1447
1448 if (flags & CUPS_MEDIA_FLAGS_BORDERLESS)
1449 {
1450 /*
1451 * Look for the smallest margins...
1452 */
1453
1454 if (best->left != 0 || best->right != 0 || best->top != 0 ||
1455 best->bottom != 0)
1456 {
1457 for (mdb = (_cups_media_db_t *)cupsArrayNext(dinfo->media_db);
1458 mdb && cups_is_close_media_db(mdb, &key);
1459 mdb = (_cups_media_db_t *)cupsArrayNext(dinfo->media_db))
1460 {
1461 if (mdb->left <= best->left && mdb->right <= best->right &&
1462 mdb->top <= best->top && mdb->bottom <= best->bottom)
1463 {
1464 best = mdb;
1465 if (mdb->left == 0 && mdb->right == 0 && mdb->bottom == 0 &&
1466 mdb->top == 0)
1467 break;
1468 }
1469 }
1470 }
1471 }
1472 else if (flags & CUPS_MEDIA_FLAGS_DUPLEX)
1473 {
1474 /*
1475 * Look for the largest margins...
1476 */
1477
1478 for (mdb = (_cups_media_db_t *)cupsArrayNext(dinfo->media_db);
1479 mdb && cups_is_close_media_db(mdb, &key);
1480 mdb = (_cups_media_db_t *)cupsArrayNext(dinfo->media_db))
1481 {
1482 if (mdb->left >= best->left && mdb->right >= best->right &&
1483 mdb->top >= best->top && mdb->bottom >= best->bottom)
1484 best = mdb;
1485 }
1486 }
1487 else
1488 {
1489 /*
1490 * Look for the smallest non-zero margins...
1491 */
1492
1493 for (mdb = (_cups_media_db_t *)cupsArrayNext(dinfo->media_db);
1494 mdb && cups_is_close_media_db(mdb, &key);
1495 mdb = (_cups_media_db_t *)cupsArrayNext(dinfo->media_db))
1496 {
1497 if (((mdb->left > 0 && mdb->left <= best->left) || best->left == 0) &&
1498 ((mdb->right > 0 && mdb->right <= best->right) ||
1499 best->right == 0) &&
1500 ((mdb->top > 0 && mdb->top <= best->top) || best->top == 0) &&
1501 ((mdb->bottom > 0 && mdb->bottom <= best->bottom) ||
1502 best->bottom == 0))
1503 best = mdb;
1504 }
1505 }
1506 }
1507
1508 if (best)
1509 {
1510 /*
1511 * Return the matching size...
1512 */
1513
1514 if (best->size_name)
1515 strlcpy(size->media, best->size_name, sizeof(size->media));
1516 else if (best->key)
1517 strlcpy(size->media, best->key, sizeof(size->media));
1518 else
1519 strlcpy(size->media, pwg->pwg, sizeof(size->media));
1520
1521 size->width = best->width;
1522 size->length = best->length;
1523 size->bottom = best->bottom;
1524 size->left = best->left;
1525 size->right = best->right;
1526 size->top = best->top;
1527
1528 return (1);
1529 }
1530
1531 return (0);
1532}
1533
1534
1535/*
1536 * 'cups_is_close_media_db()' - Compare two media entries to see if they are
1537 * close to the same size.
1538 *
1539 * Currently we use 5 points (from PostScript) as the matching range...
1540 */
1541
1542static int /* O - 1 if the sizes are close */
1543cups_is_close_media_db(
1544 _cups_media_db_t *a, /* I - First media entries */
1545 _cups_media_db_t *b) /* I - Second media entries */
1546{
1547 int dwidth, /* Difference in width */
1548 dlength; /* Difference in length */
1549
1550
1551 dwidth = a->width - b->width;
1552 dlength = a->length - b->length;
1553
1554 return (dwidth >= -176 && dwidth <= 176 &&
1555 dlength >= -176 && dlength <= 176);
1556}
1557
1558
a29fd7dd
MS		 1559/*
1560 * 'cups_test_constraints()' - Test constraints.
1561 *
1562 * TODO: STR #4096 - Need to properly support media-col contraints...
1563 */
1564
1565static cups_array_t * /* O - Active constraints */
1566cups_test_constraints(
1567 cups_dinfo_t *dinfo, /* I - Destination information */
1568 const char *new_option, /* I - Newly selected option */
1569 const char *new_value, /* I - Newly selected value */
1570 int num_options, /* I - Number of options */
1571 cups_option_t *options, /* I - Options */
1572 int *num_conflicts, /* O - Number of conflicting options */
1573 cups_option_t **conflicts) /* O - Conflicting options */
1574{
1575 int i, /* Looping var */
1576 match; /* Value matches? */
1577 int num_matching; /* Number of matching options */
1578 cups_option_t *matching; /* Matching options */
1579 _cups_dconstres_t *c; /* Current constraint */
1580 cups_array_t *active = NULL; /* Active constraints */
1581 ipp_attribute_t *attr; /* Current attribute */
1582 _ipp_value_t *attrval; /* Current attribute value */
1583 const char *value; /* Current value */
1584 char temp[1024]; /* Temporary string */
1585 int int_value; /* Integer value */
1586 int xres_value, /* Horizontal resolution */
1587 yres_value; /* Vertical resolution */
1588 ipp_res_t units_value; /* Resolution units */
1589
1590
1591 for (c = (_cups_dconstres_t *)cupsArrayFirst(dinfo->constraints);
1592 c;
1593 c = (_cups_dconstres_t *)cupsArrayNext(dinfo->constraints))
1594 {
1595 num_matching = 0;
1596 matching = NULL;
1597
1598 for (attr = ippFirstAttribute(c->collection);
1599 attr;
1600 attr = ippNextAttribute(c->collection))
1601 {
1602 if (attr->value_tag == IPP_TAG_BEGIN_COLLECTION)
1603 break; /* TODO: STR #4096 */
1604
1605 /*
1606 * Get the value for the current attribute in the constraint...
1607 */
1608
1609 if (new_option && new_value && !strcmp(attr->name, new_option))
1610 value = new_value;
1611 else if ((value = cupsGetOption(attr->name, num_options,
1612 options)) == NULL)
1613 value = cupsGetOption(attr->name, dinfo->num_defaults, dinfo->defaults);
1614
1615 if (!value)
1616 {
1617 /*
1618 * Not set so this constraint does not apply...
1619 */
1620
1621 break;
1622 }
1623
1624 match = 0;
1625
1626 switch (attr->value_tag)
1627 {
1628 case IPP_TAG_INTEGER :
1629 case IPP_TAG_ENUM :
1630 int_value = atoi(value);
1631
1632 for (i = attr->num_values, attrval = attr->values;
1633 i > 0;
1634 i --, attrval ++)
1635 {
1636 if (attrval->integer == int_value)
1637 {
1638 match = 1;
1639 break;
1640 }
1641 }
1642 break;
1643
1644 case IPP_TAG_BOOLEAN :
1645 int_value = !strcmp(value, "true");
1646
1647 for (i = attr->num_values, attrval = attr->values;
1648 i > 0;
1649 i --, attrval ++)
1650 {
1651 if (attrval->boolean == int_value)
1652 {
1653 match = 1;
1654 break;
1655 }
1656 }
1657 break;
1658
1659 case IPP_TAG_RANGE :
1660 int_value = atoi(value);
1661
1662 for (i = attr->num_values, attrval = attr->values;
1663 i > 0;
1664 i --, attrval ++)
1665 {
1666 if (int_value >= attrval->range.lower &&
1667 int_value <= attrval->range.upper)
1668 {
1669 match = 1;
1670 break;
1671 }
1672 }
1673 break;
1674
1675 case IPP_TAG_RESOLUTION :
1676 if (sscanf(value, "%dx%d%15s", &xres_value, &yres_value, temp) != 3)
1677 {
1678 if (sscanf(value, "%d%15s", &xres_value, temp) != 2)
1679 break;
1680
1681 yres_value = xres_value;
1682 }
1683
1684 if (!strcmp(temp, "dpi"))
1685 units_value = IPP_RES_PER_INCH;
1686 else if (!strcmp(temp, "dpc") || !strcmp(temp, "dpcm"))
1687 units_value = IPP_RES_PER_CM;
1688 else
1689 break;
1690
1691 for (i = attr->num_values, attrval = attr->values;
1692 i > 0;
1693 i --, attrval ++)
1694 {
1695 if (attrval->resolution.xres == xres_value &&
1696 attrval->resolution.yres == yres_value &&
1697 attrval->resolution.units == units_value)
1698 {
1699 match = 1;
1700 break;
1701 }
1702 }
1703 break;
1704
1705 case IPP_TAG_TEXT :
1706 case IPP_TAG_NAME :
1707 case IPP_TAG_KEYWORD :
1708 case IPP_TAG_CHARSET :
1709 case IPP_TAG_URI :
1710 case IPP_TAG_URISCHEME :
1711 case IPP_TAG_MIMETYPE :
1712 case IPP_TAG_LANGUAGE :
1713 case IPP_TAG_TEXTLANG :
1714 case IPP_TAG_NAMELANG :
1715 for (i = attr->num_values, attrval = attr->values;
1716 i > 0;
1717 i --, attrval ++)
1718 {
1719 if (!strcmp(attrval->string.text, value))
1720 {
1721 match = 1;
1722 break;
1723 }
1724 }
1725 break;
1726
1727 default :
1728 break;
1729 }
1730
1731 if (!match)
1732 break;
1733
1734 num_matching = cupsAddOption(attr->name, value, num_matching, &matching);
1735 }
1736
1737 if (!attr)
1738 {
1739 if (!active)
1740 active = cupsArrayNew(NULL, NULL);
1741
1742 cupsArrayAdd(active, c);
1743
1744 if (num_conflicts && conflicts)
1745 {
1746 cups_option_t *moption; /* Matching option */
1747
1748 for (i = num_matching, moption = matching; i > 0; i --, moption ++)
1749 *num_conflicts = cupsAddOption(moption->name, moption->value,
1750 *num_conflicts, conflicts);
1751 }
1752 }
1753
1754 cupsFreeOptions(num_matching, matching);
1755 }
1756
1757 return (active);
1758}
1759
1760
dcb445bc
MS		 1761/*
1762 * End of "$Id$".
1763 */
Unnamed repository; edit this file 'description' to name the repository.