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1 | /* | |
2 | * Page size functions for CUPS. | |
3 | * | |
4 | * Copyright 2007-2015 by Apple Inc. | |
5 | * Copyright 1997-2007 by Easy Software Products, all rights reserved. | |
6 | * | |
7 | * Licensed under Apache License v2.0. See the file "LICENSE" for more | |
8 | * information. | |
9 | * | |
10 | * PostScript is a trademark of Adobe Systems, Inc. | |
11 | */ | |
12 | ||
13 | /* | |
14 | * Include necessary headers... | |
15 | */ | |
16 | ||
17 | #include "string-private.h" | |
18 | #include "debug-internal.h" | |
19 | #include "ppd.h" | |
20 | ||
21 | ||
22 | /* | |
23 | * 'ppdPageSize()' - Get the page size record for the named size. | |
24 | */ | |
25 | ||
26 | ppd_size_t * /* O - Size record for page or NULL */ | |
27 | ppdPageSize(ppd_file_t *ppd, /* I - PPD file record */ | |
28 | const char *name) /* I - Size name */ | |
29 | { | |
30 | int i; /* Looping var */ | |
31 | ppd_size_t *size; /* Current page size */ | |
32 | double w, l; /* Width and length of page */ | |
33 | char *nameptr; /* Pointer into name */ | |
34 | struct lconv *loc; /* Locale data */ | |
35 | ppd_coption_t *coption; /* Custom option for page size */ | |
36 | ppd_cparam_t *cparam; /* Custom option parameter */ | |
37 | ||
38 | ||
39 | DEBUG_printf(("2ppdPageSize(ppd=%p, name=\"%s\")", ppd, name)); | |
40 | ||
41 | if (!ppd) | |
42 | { | |
43 | DEBUG_puts("3ppdPageSize: Bad PPD pointer, returning NULL..."); | |
44 | return (NULL); | |
45 | } | |
46 | ||
47 | if (name) | |
48 | { | |
49 | if (!strncmp(name, "Custom.", 7) && ppd->variable_sizes) | |
50 | { | |
51 | /* | |
52 | * Find the custom page size... | |
53 | */ | |
54 | ||
55 | for (i = ppd->num_sizes, size = ppd->sizes; i > 0; i --, size ++) | |
56 | if (!strcmp("Custom", size->name)) | |
57 | break; | |
58 | ||
59 | if (!i) | |
60 | { | |
61 | DEBUG_puts("3ppdPageSize: No custom sizes, returning NULL..."); | |
62 | return (NULL); | |
63 | } | |
64 | ||
65 | /* | |
66 | * Variable size; size name can be one of the following: | |
67 | * | |
68 | * Custom.WIDTHxLENGTHin - Size in inches | |
69 | * Custom.WIDTHxLENGTHft - Size in feet | |
70 | * Custom.WIDTHxLENGTHcm - Size in centimeters | |
71 | * Custom.WIDTHxLENGTHmm - Size in millimeters | |
72 | * Custom.WIDTHxLENGTHm - Size in meters | |
73 | * Custom.WIDTHxLENGTH[pt] - Size in points | |
74 | */ | |
75 | ||
76 | loc = localeconv(); | |
77 | w = _cupsStrScand(name + 7, &nameptr, loc); | |
78 | if (!nameptr || *nameptr != 'x') | |
79 | return (NULL); | |
80 | ||
81 | l = _cupsStrScand(nameptr + 1, &nameptr, loc); | |
82 | if (!nameptr) | |
83 | return (NULL); | |
84 | ||
85 | if (!_cups_strcasecmp(nameptr, "in")) | |
86 | { | |
87 | w *= 72.0; | |
88 | l *= 72.0; | |
89 | } | |
90 | else if (!_cups_strcasecmp(nameptr, "ft")) | |
91 | { | |
92 | w *= 12.0 * 72.0; | |
93 | l *= 12.0 * 72.0; | |
94 | } | |
95 | else if (!_cups_strcasecmp(nameptr, "mm")) | |
96 | { | |
97 | w *= 72.0 / 25.4; | |
98 | l *= 72.0 / 25.4; | |
99 | } | |
100 | else if (!_cups_strcasecmp(nameptr, "cm")) | |
101 | { | |
102 | w *= 72.0 / 2.54; | |
103 | l *= 72.0 / 2.54; | |
104 | } | |
105 | else if (!_cups_strcasecmp(nameptr, "m")) | |
106 | { | |
107 | w *= 72.0 / 0.0254; | |
108 | l *= 72.0 / 0.0254; | |
109 | } | |
110 | ||
111 | size->width = (float)w; | |
112 | size->length = (float)l; | |
113 | size->left = ppd->custom_margins[0]; | |
114 | size->bottom = ppd->custom_margins[1]; | |
115 | size->right = (float)(w - ppd->custom_margins[2]); | |
116 | size->top = (float)(l - ppd->custom_margins[3]); | |
117 | ||
118 | /* | |
119 | * Update the custom option records for the page size, too... | |
120 | */ | |
121 | ||
122 | if ((coption = ppdFindCustomOption(ppd, "PageSize")) != NULL) | |
123 | { | |
124 | if ((cparam = ppdFindCustomParam(coption, "Width")) != NULL) | |
125 | cparam->current.custom_points = (float)w; | |
126 | ||
127 | if ((cparam = ppdFindCustomParam(coption, "Height")) != NULL) | |
128 | cparam->current.custom_points = (float)l; | |
129 | } | |
130 | ||
131 | /* | |
132 | * Return the page size... | |
133 | */ | |
134 | ||
135 | DEBUG_printf(("3ppdPageSize: Returning %p (\"%s\", %gx%g)", size, | |
136 | size->name, size->width, size->length)); | |
137 | ||
138 | return (size); | |
139 | } | |
140 | else | |
141 | { | |
142 | /* | |
143 | * Lookup by name... | |
144 | */ | |
145 | ||
146 | for (i = ppd->num_sizes, size = ppd->sizes; i > 0; i --, size ++) | |
147 | if (!_cups_strcasecmp(name, size->name)) | |
148 | { | |
149 | DEBUG_printf(("3ppdPageSize: Returning %p (\"%s\", %gx%g)", size, | |
150 | size->name, size->width, size->length)); | |
151 | ||
152 | return (size); | |
153 | } | |
154 | } | |
155 | } | |
156 | else | |
157 | { | |
158 | /* | |
159 | * Find default... | |
160 | */ | |
161 | ||
162 | for (i = ppd->num_sizes, size = ppd->sizes; i > 0; i --, size ++) | |
163 | if (size->marked) | |
164 | { | |
165 | DEBUG_printf(("3ppdPageSize: Returning %p (\"%s\", %gx%g)", size, | |
166 | size->name, size->width, size->length)); | |
167 | ||
168 | return (size); | |
169 | } | |
170 | } | |
171 | ||
172 | DEBUG_puts("3ppdPageSize: Size not found, returning NULL"); | |
173 | ||
174 | return (NULL); | |
175 | } | |
176 | ||
177 | ||
178 | /* | |
179 | * 'ppdPageSizeLimits()' - Return the custom page size limits. | |
180 | * | |
181 | * This function returns the minimum and maximum custom page sizes and printable | |
182 | * areas based on the currently-marked (selected) options. | |
183 | * | |
184 | * If the specified PPD file does not support custom page sizes, both | |
185 | * "minimum" and "maximum" are filled with zeroes. | |
186 | * | |
187 | * @since CUPS 1.4/macOS 10.6@ | |
188 | */ | |
189 | ||
190 | int /* O - 1 if custom sizes are supported, 0 otherwise */ | |
191 | ppdPageSizeLimits(ppd_file_t *ppd, /* I - PPD file record */ | |
192 | ppd_size_t *minimum, /* O - Minimum custom size */ | |
193 | ppd_size_t *maximum) /* O - Maximum custom size */ | |
194 | { | |
195 | ppd_choice_t *qualifier2, /* Second media qualifier */ | |
196 | *qualifier3; /* Third media qualifier */ | |
197 | ppd_attr_t *attr; /* Attribute */ | |
198 | float width, /* Min/max width */ | |
199 | length; /* Min/max length */ | |
200 | char spec[PPD_MAX_NAME]; /* Selector for min/max */ | |
201 | ||
202 | ||
203 | /* | |
204 | * Range check input... | |
205 | */ | |
206 | ||
207 | if (!ppd || !ppd->variable_sizes || !minimum || !maximum) | |
208 | { | |
209 | if (minimum) | |
210 | memset(minimum, 0, sizeof(ppd_size_t)); | |
211 | ||
212 | if (maximum) | |
213 | memset(maximum, 0, sizeof(ppd_size_t)); | |
214 | ||
215 | return (0); | |
216 | } | |
217 | ||
218 | /* | |
219 | * See if we have the cupsMediaQualifier2 and cupsMediaQualifier3 attributes... | |
220 | */ | |
221 | ||
222 | cupsArraySave(ppd->sorted_attrs); | |
223 | ||
224 | if ((attr = ppdFindAttr(ppd, "cupsMediaQualifier2", NULL)) != NULL && | |
225 | attr->value) | |
226 | qualifier2 = ppdFindMarkedChoice(ppd, attr->value); | |
227 | else | |
228 | qualifier2 = NULL; | |
229 | ||
230 | if ((attr = ppdFindAttr(ppd, "cupsMediaQualifier3", NULL)) != NULL && | |
231 | attr->value) | |
232 | qualifier3 = ppdFindMarkedChoice(ppd, attr->value); | |
233 | else | |
234 | qualifier3 = NULL; | |
235 | ||
236 | /* | |
237 | * Figure out the current minimum width and length... | |
238 | */ | |
239 | ||
240 | width = ppd->custom_min[0]; | |
241 | length = ppd->custom_min[1]; | |
242 | ||
243 | if (qualifier2) | |
244 | { | |
245 | /* | |
246 | * Try getting cupsMinSize... | |
247 | */ | |
248 | ||
249 | if (qualifier3) | |
250 | { | |
251 | snprintf(spec, sizeof(spec), ".%s.%s", qualifier2->choice, | |
252 | qualifier3->choice); | |
253 | attr = ppdFindAttr(ppd, "cupsMinSize", spec); | |
254 | } | |
255 | else | |
256 | attr = NULL; | |
257 | ||
258 | if (!attr) | |
259 | { | |
260 | snprintf(spec, sizeof(spec), ".%s.", qualifier2->choice); | |
261 | attr = ppdFindAttr(ppd, "cupsMinSize", spec); | |
262 | } | |
263 | ||
264 | if (!attr && qualifier3) | |
265 | { | |
266 | snprintf(spec, sizeof(spec), "..%s", qualifier3->choice); | |
267 | attr = ppdFindAttr(ppd, "cupsMinSize", spec); | |
268 | } | |
269 | ||
270 | if ((attr && attr->value && | |
271 | sscanf(attr->value, "%f%f", &width, &length) != 2) || !attr) | |
272 | { | |
273 | width = ppd->custom_min[0]; | |
274 | length = ppd->custom_min[1]; | |
275 | } | |
276 | } | |
277 | ||
278 | minimum->width = width; | |
279 | minimum->length = length; | |
280 | minimum->left = ppd->custom_margins[0]; | |
281 | minimum->bottom = ppd->custom_margins[1]; | |
282 | minimum->right = width - ppd->custom_margins[2]; | |
283 | minimum->top = length - ppd->custom_margins[3]; | |
284 | ||
285 | /* | |
286 | * Figure out the current maximum width and length... | |
287 | */ | |
288 | ||
289 | width = ppd->custom_max[0]; | |
290 | length = ppd->custom_max[1]; | |
291 | ||
292 | if (qualifier2) | |
293 | { | |
294 | /* | |
295 | * Try getting cupsMaxSize... | |
296 | */ | |
297 | ||
298 | if (qualifier3) | |
299 | { | |
300 | snprintf(spec, sizeof(spec), ".%s.%s", qualifier2->choice, | |
301 | qualifier3->choice); | |
302 | attr = ppdFindAttr(ppd, "cupsMaxSize", spec); | |
303 | } | |
304 | else | |
305 | attr = NULL; | |
306 | ||
307 | if (!attr) | |
308 | { | |
309 | snprintf(spec, sizeof(spec), ".%s.", qualifier2->choice); | |
310 | attr = ppdFindAttr(ppd, "cupsMaxSize", spec); | |
311 | } | |
312 | ||
313 | if (!attr && qualifier3) | |
314 | { | |
315 | snprintf(spec, sizeof(spec), "..%s", qualifier3->choice); | |
316 | attr = ppdFindAttr(ppd, "cupsMaxSize", spec); | |
317 | } | |
318 | ||
319 | if (!attr || | |
320 | (attr->value && sscanf(attr->value, "%f%f", &width, &length) != 2)) | |
321 | { | |
322 | width = ppd->custom_max[0]; | |
323 | length = ppd->custom_max[1]; | |
324 | } | |
325 | } | |
326 | ||
327 | maximum->width = width; | |
328 | maximum->length = length; | |
329 | maximum->left = ppd->custom_margins[0]; | |
330 | maximum->bottom = ppd->custom_margins[1]; | |
331 | maximum->right = width - ppd->custom_margins[2]; | |
332 | maximum->top = length - ppd->custom_margins[3]; | |
333 | ||
334 | /* | |
335 | * Return the min and max... | |
336 | */ | |
337 | ||
338 | cupsArrayRestore(ppd->sorted_attrs); | |
339 | ||
340 | return (1); | |
341 | } | |
342 | ||
343 | ||
344 | /* | |
345 | * 'ppdPageWidth()' - Get the page width for the given size. | |
346 | */ | |
347 | ||
348 | float /* O - Width of page in points or 0.0 */ | |
349 | ppdPageWidth(ppd_file_t *ppd, /* I - PPD file record */ | |
350 | const char *name) /* I - Size name */ | |
351 | { | |
352 | ppd_size_t *size; /* Page size */ | |
353 | ||
354 | ||
355 | if ((size = ppdPageSize(ppd, name)) == NULL) | |
356 | return (0.0); | |
357 | else | |
358 | return (size->width); | |
359 | } | |
360 | ||
361 | ||
362 | /* | |
363 | * 'ppdPageLength()' - Get the page length for the given size. | |
364 | */ | |
365 | ||
366 | float /* O - Length of page in points or 0.0 */ | |
367 | ppdPageLength(ppd_file_t *ppd, /* I - PPD file */ | |
368 | const char *name) /* I - Size name */ | |
369 | { | |
370 | ppd_size_t *size; /* Page size */ | |
371 | ||
372 | ||
373 | if ((size = ppdPageSize(ppd, name)) == NULL) | |
374 | return (0.0); | |
375 | else | |
376 | return (size->length); | |
377 | } |