]>
Commit | Line | Data |
---|---|---|
1 | /* | |
2 | * Copyright (C) 1989-95 GROUPE BULL | |
3 | * | |
4 | * Permission is hereby granted, free of charge, to any person obtaining a copy | |
5 | * of this software and associated documentation files (the "Software"), to | |
6 | * deal in the Software without restriction, including without limitation the | |
7 | * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or | |
8 | * sell copies of the Software, and to permit persons to whom the Software is | |
9 | * furnished to do so, subject to the following conditions: | |
10 | * | |
11 | * The above copyright notice and this permission notice shall be included in | |
12 | * all copies or substantial portions of the Software. | |
13 | * | |
14 | * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR | |
15 | * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, | |
16 | * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL | |
17 | * GROUPE BULL BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN | |
18 | * AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN | |
19 | * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. | |
20 | * | |
21 | * Except as contained in this notice, the name of GROUPE BULL shall not be | |
22 | * used in advertising or otherwise to promote the sale, use or other dealings | |
23 | * in this Software without prior written authorization from GROUPE BULL. | |
24 | */ | |
25 | ||
26 | /*****************************************************************************\ | |
27 | * CrDataFI.c: * | |
28 | * * | |
29 | * XPM library * | |
30 | * Scan an image and possibly its mask and create an XPM array * | |
31 | * * | |
32 | * Developed by Arnaud Le Hors * | |
33 | \*****************************************************************************/ | |
34 | ||
35 | #include "XpmI.h" | |
36 | ||
37 | LFUNC(CreateColors, int, (char **dataptr, unsigned int *data_size, | |
38 | XpmColor *colors, unsigned int ncolors, | |
39 | unsigned int cpp)); | |
40 | ||
41 | LFUNC(CreatePixels, void, (char **dataptr, unsigned int width, | |
42 | unsigned int height, unsigned int cpp, | |
43 | unsigned int *pixels, XpmColor *colors)); | |
44 | ||
45 | LFUNC(CountExtensions, void, (XpmExtension *ext, unsigned int num, | |
46 | unsigned int *ext_size, | |
47 | unsigned int *ext_nlines)); | |
48 | ||
49 | LFUNC(CreateExtensions, void, (char **dataptr, unsigned int offset, | |
50 | XpmExtension *ext, unsigned int num, | |
51 | unsigned int ext_nlines)); | |
52 | ||
53 | #ifdef __OS2__ | |
54 | /* Visual Age cannot deal with old, non-ansi, code */ | |
55 | int | |
56 | XpmCreateDataFromImage( | |
57 | Display* display | |
58 | , char*** data_return | |
59 | , XImage* image | |
60 | , XImage* shapeimage | |
61 | , XpmAttributes* attributes | |
62 | ) | |
63 | #else | |
64 | int | |
65 | XpmCreateDataFromImage(display, data_return, image, shapeimage, attributes) | |
66 | Display *display; | |
67 | char ***data_return; | |
68 | XImage *image; | |
69 | XImage *shapeimage; | |
70 | XpmAttributes *attributes; | |
71 | #endif | |
72 | { | |
73 | XpmImage xpmimage; | |
74 | XpmInfo info; | |
75 | int ErrorStatus; | |
76 | ||
77 | /* initialize return value */ | |
78 | if (data_return) | |
79 | *data_return = NULL; | |
80 | ||
81 | /* create an XpmImage from the image */ | |
82 | ErrorStatus = XpmCreateXpmImageFromImage(display, image, shapeimage, | |
83 | &xpmimage, attributes); | |
84 | if (ErrorStatus != XpmSuccess) | |
85 | return (ErrorStatus); | |
86 | ||
87 | /* create the data from the XpmImage */ | |
88 | if (attributes) { | |
89 | xpmSetInfo(&info, attributes); | |
90 | ErrorStatus = XpmCreateDataFromXpmImage(data_return, &xpmimage, &info); | |
91 | } else | |
92 | ErrorStatus = XpmCreateDataFromXpmImage(data_return, &xpmimage, NULL); | |
93 | ||
94 | /* free the XpmImage */ | |
95 | XpmFreeXpmImage(&xpmimage); | |
96 | ||
97 | return (ErrorStatus); | |
98 | } | |
99 | ||
100 | #undef RETURN | |
101 | #define RETURN(status) \ | |
102 | { \ | |
103 | ErrorStatus = status; \ | |
104 | goto exit; \ | |
105 | } | |
106 | ||
107 | #ifdef __OS2__ | |
108 | /* Visual Age cannot deal with old, non-ansi, code */ | |
109 | int | |
110 | XpmCreateDataFromXpmImage(char*** data_return, XpmImage* image, XpmInfo* info) | |
111 | #else | |
112 | int | |
113 | XpmCreateDataFromXpmImage(data_return, image, info) | |
114 | char ***data_return; | |
115 | XpmImage *image; | |
116 | XpmInfo *info; | |
117 | #endif | |
118 | { | |
119 | /* calculation variables */ | |
120 | int ErrorStatus; | |
121 | char buf[BUFSIZ]; | |
122 | char **header = NULL, **data, **sptr, **sptr2, *s; | |
123 | unsigned int header_size, header_nlines; | |
124 | unsigned int data_size, data_nlines; | |
125 | unsigned int extensions = 0, ext_size = 0, ext_nlines = 0; | |
126 | unsigned int offset, l, n; | |
127 | ||
128 | *data_return = NULL; | |
129 | ||
130 | extensions = info && (info->valuemask & XpmExtensions) | |
131 | && info->nextensions; | |
132 | ||
133 | /* compute the number of extensions lines and size */ | |
134 | if (extensions) | |
135 | CountExtensions(info->extensions, info->nextensions, | |
136 | &ext_size, &ext_nlines); | |
137 | ||
138 | /* | |
139 | * alloc a temporary array of char pointer for the header section which | |
140 | * is the hints line + the color table lines | |
141 | */ | |
142 | header_nlines = 1 + image->ncolors; | |
143 | header_size = sizeof(char *) * header_nlines; | |
144 | header = (char **) XpmCalloc(header_size, sizeof(char *)); | |
145 | if (!header) | |
146 | return (XpmNoMemory); | |
147 | ||
148 | /* print the hints line */ | |
149 | s = buf; | |
150 | #ifndef VOID_SPRINTF | |
151 | s += | |
152 | #endif | |
153 | sprintf(s, "%d %d %d %d", image->width, image->height, | |
154 | image->ncolors, image->cpp); | |
155 | #ifdef VOID_SPRINTF | |
156 | s += strlen(s); | |
157 | #endif | |
158 | ||
159 | if (info && (info->valuemask & XpmHotspot)) { | |
160 | #ifndef VOID_SPRINTF | |
161 | s += | |
162 | #endif | |
163 | sprintf(s, " %d %d", info->x_hotspot, info->y_hotspot); | |
164 | #ifdef VOID_SPRINTF | |
165 | s += strlen(s); | |
166 | #endif | |
167 | } | |
168 | if (extensions) { | |
169 | strcpy(s, " XPMEXT"); | |
170 | s += 7; | |
171 | } | |
172 | l = s - buf + 1; | |
173 | *header = (char *) XpmMalloc(l); | |
174 | if (!*header) | |
175 | RETURN(XpmNoMemory); | |
176 | header_size += l; | |
177 | strcpy(*header, buf); | |
178 | ||
179 | /* print colors */ | |
180 | ErrorStatus = CreateColors(header + 1, &header_size, | |
181 | image->colorTable, image->ncolors, image->cpp); | |
182 | ||
183 | if (ErrorStatus != XpmSuccess) | |
184 | RETURN(ErrorStatus); | |
185 | ||
186 | /* now we know the size needed, alloc the data and copy the header lines */ | |
187 | offset = image->width * image->cpp + 1; | |
188 | data_size = header_size + (image->height + ext_nlines) * sizeof(char *) | |
189 | + image->height * offset + ext_size; | |
190 | ||
191 | data = (char **) XpmMalloc(data_size); | |
192 | if (!data) | |
193 | RETURN(XpmNoMemory); | |
194 | ||
195 | data_nlines = header_nlines + image->height + ext_nlines; | |
196 | *data = (char *) (data + data_nlines); | |
197 | n = image->ncolors; | |
198 | for (l = 0, sptr = data, sptr2 = header; l <= n; l++, sptr++, sptr2++) { | |
199 | strcpy(*sptr, *sptr2); | |
200 | *(sptr + 1) = *sptr + strlen(*sptr2) + 1; | |
201 | } | |
202 | ||
203 | /* print pixels */ | |
204 | data[header_nlines] = (char *) data + header_size | |
205 | + (image->height + ext_nlines) * sizeof(char *); | |
206 | ||
207 | CreatePixels(data + header_nlines, image->width, image->height, | |
208 | image->cpp, image->data, image->colorTable); | |
209 | ||
210 | /* print extensions */ | |
211 | if (extensions) | |
212 | CreateExtensions(data + header_nlines + image->height - 1, offset, | |
213 | info->extensions, info->nextensions, | |
214 | ext_nlines); | |
215 | ||
216 | *data_return = data; | |
217 | ErrorStatus = XpmSuccess; | |
218 | ||
219 | /* exit point, free only locally allocated variables */ | |
220 | exit: | |
221 | if (header) { | |
222 | for (l = 0; l < header_nlines; l++) | |
223 | if (header[l]) | |
224 | XpmFree(header[l]); | |
225 | XpmFree(header); | |
226 | } | |
227 | return(ErrorStatus); | |
228 | } | |
229 | ||
230 | #ifdef __OS2__ | |
231 | /* Visual Age cannot deal with old, non-ansi, code */ | |
232 | static int | |
233 | CreateColors( | |
234 | char** dataptr | |
235 | , unsigned int* data_size | |
236 | , XpmColor* colors | |
237 | , unsigned int ncolors | |
238 | , unsigned int cpp | |
239 | ) | |
240 | #else | |
241 | static int | |
242 | CreateColors(dataptr, data_size, colors, ncolors, cpp) | |
243 | char **dataptr; | |
244 | unsigned int *data_size; | |
245 | XpmColor *colors; | |
246 | unsigned int ncolors; | |
247 | unsigned int cpp; | |
248 | #endif | |
249 | { | |
250 | char buf[BUFSIZ]; | |
251 | unsigned int a, key, l; | |
252 | char *s, *s2; | |
253 | char **defaults; | |
254 | ||
255 | for (a = 0; a < ncolors; a++, colors++, dataptr++) { | |
256 | ||
257 | defaults = (char **) colors; | |
258 | strncpy(buf, *defaults++, cpp); | |
259 | s = buf + cpp; | |
260 | ||
261 | for (key = 1; key <= NKEYS; key++, defaults++) { | |
262 | if (s2 = *defaults) { | |
263 | #ifndef VOID_SPRINTF | |
264 | s += | |
265 | #endif | |
266 | sprintf(s, "\t%s %s", xpmColorKeys[key - 1], s2); | |
267 | #ifdef VOID_SPRINTF | |
268 | s += strlen(s); | |
269 | #endif | |
270 | } | |
271 | } | |
272 | l = s - buf + 1; | |
273 | s = (char *) XpmMalloc(l); | |
274 | if (!s) | |
275 | return (XpmNoMemory); | |
276 | *data_size += l; | |
277 | *dataptr = strcpy(s, buf); | |
278 | } | |
279 | return (XpmSuccess); | |
280 | } | |
281 | ||
282 | #ifdef __OS2__ | |
283 | /* Visual Age cannot deal with old, non-ansi, code */ | |
284 | static void CreatePixels( | |
285 | char** dataptr | |
286 | , unsigned int width | |
287 | , unsigned int height | |
288 | , unsigned int cpp | |
289 | , unsigned int* pixels | |
290 | , XpmColor* colors | |
291 | ) | |
292 | #else | |
293 | static void | |
294 | CreatePixels(dataptr, width, height, cpp, pixels, colors) | |
295 | char **dataptr; | |
296 | unsigned int width; | |
297 | unsigned int height; | |
298 | unsigned int cpp; | |
299 | unsigned int *pixels; | |
300 | XpmColor *colors; | |
301 | #endif | |
302 | { | |
303 | char *s; | |
304 | unsigned int x, y, h, offset; | |
305 | ||
306 | h = height - 1; | |
307 | offset = width * cpp + 1; | |
308 | for (y = 0; y < h; y++, dataptr++) { | |
309 | s = *dataptr; | |
310 | for (x = 0; x < width; x++, pixels++) { | |
311 | strncpy(s, colors[*pixels].string, cpp); | |
312 | s += cpp; | |
313 | } | |
314 | *s = '\0'; | |
315 | *(dataptr + 1) = *dataptr + offset; | |
316 | } | |
317 | /* duplicate some code to avoid a test in the loop */ | |
318 | s = *dataptr; | |
319 | for (x = 0; x < width; x++, pixels++) { | |
320 | strncpy(s, colors[*pixels].string, cpp); | |
321 | s += cpp; | |
322 | } | |
323 | *s = '\0'; | |
324 | } | |
325 | ||
326 | #ifdef __OS2__ | |
327 | /* Visual Age cannot deal with old, non-ansi, code */ | |
328 | static void CountExtensions( | |
329 | XpmExtension* ext | |
330 | , unsigned int num | |
331 | , unsigned int* ext_size | |
332 | , unsigned int* ext_nlines | |
333 | ) | |
334 | #else | |
335 | static void | |
336 | CountExtensions(ext, num, ext_size, ext_nlines) | |
337 | XpmExtension *ext; | |
338 | unsigned int num; | |
339 | unsigned int *ext_size; | |
340 | unsigned int *ext_nlines; | |
341 | #endif | |
342 | { | |
343 | unsigned int x, y, a, size, nlines; | |
344 | char **line; | |
345 | ||
346 | size = 0; | |
347 | nlines = 0; | |
348 | for (x = 0; x < num; x++, ext++) { | |
349 | /* 1 for the name */ | |
350 | nlines += ext->nlines + 1; | |
351 | /* 8 = 7 (for "XPMEXT ") + 1 (for 0) */ | |
352 | size += strlen(ext->name) + 8; | |
353 | a = ext->nlines; | |
354 | for (y = 0, line = ext->lines; y < a; y++, line++) | |
355 | size += strlen(*line) + 1; | |
356 | } | |
357 | /* 10 and 1 are for the ending "XPMENDEXT" */ | |
358 | *ext_size = size + 10; | |
359 | *ext_nlines = nlines + 1; | |
360 | } | |
361 | ||
362 | #ifdef __OS2__ | |
363 | /* Visual Age cannot deal with old, non-ansi, code */ | |
364 | static void | |
365 | CreateExtensions( | |
366 | char** dataptr | |
367 | , unsigned int offset | |
368 | , XpmExtension* ext | |
369 | , unsigned int num | |
370 | , unsigned int ext_nlines | |
371 | ) | |
372 | #else | |
373 | static void | |
374 | CreateExtensions(dataptr, offset, ext, num, ext_nlines) | |
375 | char **dataptr; | |
376 | unsigned int offset; | |
377 | XpmExtension *ext; | |
378 | unsigned int num; | |
379 | unsigned int ext_nlines; | |
380 | #endif | |
381 | { | |
382 | unsigned int x, y, a, b; | |
383 | char **line; | |
384 | ||
385 | *(dataptr + 1) = *dataptr + offset; | |
386 | dataptr++; | |
387 | a = 0; | |
388 | for (x = 0; x < num; x++, ext++) { | |
389 | sprintf(*dataptr, "XPMEXT %s", ext->name); | |
390 | a++; | |
391 | if (a < ext_nlines) | |
392 | *(dataptr + 1) = *dataptr + strlen(ext->name) + 8; | |
393 | dataptr++; | |
394 | b = ext->nlines; | |
395 | for (y = 0, line = ext->lines; y < b; y++, line++) { | |
396 | strcpy(*dataptr, *line); | |
397 | a++; | |
398 | if (a < ext_nlines) | |
399 | *(dataptr + 1) = *dataptr + strlen(*line) + 1; | |
400 | dataptr++; | |
401 | } | |
402 | } | |
403 | strcpy(*dataptr, "XPMENDEXT"); | |
404 | } |