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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 | * WrFFrI.c: * | |
28 | * * | |
29 | * XPM library * | |
30 | * Write an image and possibly its mask to an XPM file * | |
31 | * * | |
32 | * Developed by Arnaud Le Hors * | |
33 | \*****************************************************************************/ | |
34 | ||
35 | /* | |
36 | * The code related to AMIGA has been added by | |
37 | * Lorens Younes (d93-hyo@nada.kth.se) 4/96 | |
38 | */ | |
39 | ||
40 | #include "XpmI.h" | |
41 | #ifdef macintosh | |
42 | #undef NO_ZPIPE | |
43 | #define NO_ZPIPE | |
44 | #endif | |
45 | #if !defined(NO_ZPIPE) && defined(WIN32) | |
46 | # define popen _popen | |
47 | # define pclose _pclose | |
48 | #endif | |
49 | ||
50 | /* MS Windows define a function called WriteFile @#%#&!!! */ | |
51 | LFUNC(xpmWriteFile, int, (FILE *file, XpmImage *image, char *name, | |
52 | XpmInfo *info)); | |
53 | ||
54 | LFUNC(WriteColors, void, (FILE *file, XpmColor *colors, unsigned int ncolors)); | |
55 | ||
56 | LFUNC(WritePixels, int, (FILE *file, unsigned int width, unsigned int height, | |
57 | unsigned int cpp, unsigned int *pixels, | |
58 | XpmColor *colors)); | |
59 | ||
60 | LFUNC(WriteExtensions, void, (FILE *file, XpmExtension *ext, | |
61 | unsigned int num)); | |
62 | ||
63 | LFUNC(OpenWriteFile, int, (char *filename, xpmData *mdata)); | |
64 | LFUNC(xpmDataClose, void, (xpmData *mdata)); | |
65 | ||
66 | int | |
67 | XpmWriteFileFromImage(display, filename, image, shapeimage, attributes) | |
68 | Display *display; | |
69 | char *filename; | |
70 | XImage *image; | |
71 | XImage *shapeimage; | |
72 | XpmAttributes *attributes; | |
73 | { | |
74 | XpmImage xpmimage; | |
75 | XpmInfo info; | |
76 | int ErrorStatus; | |
77 | ||
78 | /* create an XpmImage from the image */ | |
79 | ErrorStatus = XpmCreateXpmImageFromImage(display, image, shapeimage, | |
80 | &xpmimage, attributes); | |
81 | if (ErrorStatus != XpmSuccess) | |
82 | return (ErrorStatus); | |
83 | ||
84 | /* write the file from the XpmImage */ | |
85 | if (attributes) { | |
86 | xpmSetInfo(&info, attributes); | |
87 | ErrorStatus = XpmWriteFileFromXpmImage(filename, &xpmimage, &info); | |
88 | } else | |
89 | ErrorStatus = XpmWriteFileFromXpmImage(filename, &xpmimage, NULL); | |
90 | ||
91 | /* free the XpmImage */ | |
92 | XpmFreeXpmImage(&xpmimage); | |
93 | ||
94 | return (ErrorStatus); | |
95 | } | |
96 | ||
97 | int | |
98 | XpmWriteFileFromXpmImage(filename, image, info) | |
99 | char *filename; | |
100 | XpmImage *image; | |
101 | XpmInfo *info; | |
102 | { | |
103 | xpmData mdata; | |
104 | char *name, *dot, *s, new_name[BUFSIZ]; | |
105 | int ErrorStatus; | |
106 | ||
107 | /* open file to write */ | |
108 | if ((ErrorStatus = OpenWriteFile(filename, &mdata)) != XpmSuccess) | |
109 | return (ErrorStatus); | |
110 | ||
111 | /* figure out a name */ | |
112 | if (filename) { | |
113 | #ifdef VMS | |
114 | name = filename; | |
115 | #else | |
116 | if (!(name = rindex(filename, '/')) | |
117 | #ifdef AMIGA | |
118 | && !(name = rindex(filename, ':')) | |
119 | #endif | |
120 | ) | |
121 | name = filename; | |
122 | else | |
123 | name++; | |
124 | #endif | |
125 | /* let's try to make a valid C syntax name */ | |
126 | if (dot = index(name, '.')) { | |
127 | strcpy(new_name, name); | |
128 | /* change '.' to '_' */ | |
129 | name = s = new_name; | |
130 | while (dot = index(s, '.')) { | |
131 | *dot = '_'; | |
132 | s = dot; | |
133 | } | |
134 | } | |
135 | if (dot = index(name, '-')) { | |
136 | if (name != new_name) { | |
137 | strcpy(new_name, name); | |
138 | name = new_name; | |
139 | } | |
140 | /* change '-' to '_' */ | |
141 | s = name; | |
142 | while (dot = index(s, '-')) { | |
143 | *dot = '_'; | |
144 | s = dot; | |
145 | } | |
146 | } | |
147 | } else | |
148 | name = "image_name"; | |
149 | ||
150 | /* write the XpmData from the XpmImage */ | |
151 | if (ErrorStatus == XpmSuccess) | |
152 | ErrorStatus = xpmWriteFile(mdata.stream.file, image, name, info); | |
153 | ||
154 | xpmDataClose(&mdata); | |
155 | ||
156 | return (ErrorStatus); | |
157 | } | |
158 | ||
159 | static int | |
160 | xpmWriteFile(file, image, name, info) | |
161 | FILE *file; | |
162 | XpmImage *image; | |
163 | char *name; | |
164 | XpmInfo *info; | |
165 | { | |
166 | /* calculation variables */ | |
167 | unsigned int cmts, extensions; | |
168 | int ErrorStatus; | |
169 | ||
170 | cmts = info && (info->valuemask & XpmComments); | |
171 | extensions = info && (info->valuemask & XpmExtensions) | |
172 | && info->nextensions; | |
173 | ||
174 | /* print the header line */ | |
175 | fprintf(file, "/* XPM */\nstatic char * %s[] = {\n", name); | |
176 | ||
177 | /* print the hints line */ | |
178 | if (cmts && info->hints_cmt) | |
179 | fprintf(file, "/*%s*/\n", info->hints_cmt); | |
180 | ||
181 | fprintf(file, "\"%d %d %d %d", image->width, image->height, | |
182 | image->ncolors, image->cpp); | |
183 | ||
184 | if (info && (info->valuemask & XpmHotspot)) | |
185 | fprintf(file, " %d %d", info->x_hotspot, info->y_hotspot); | |
186 | ||
187 | if (extensions) | |
188 | fprintf(file, " XPMEXT"); | |
189 | ||
190 | fprintf(file, "\",\n"); | |
191 | ||
192 | /* print colors */ | |
193 | if (cmts && info->colors_cmt) | |
194 | fprintf(file, "/*%s*/\n", info->colors_cmt); | |
195 | ||
196 | WriteColors(file, image->colorTable, image->ncolors); | |
197 | ||
198 | /* print pixels */ | |
199 | if (cmts && info->pixels_cmt) | |
200 | fprintf(file, "/*%s*/\n", info->pixels_cmt); | |
201 | ||
202 | ErrorStatus = WritePixels(file, image->width, image->height, image->cpp, | |
203 | image->data, image->colorTable); | |
204 | if (ErrorStatus != XpmSuccess) | |
205 | return (ErrorStatus); | |
206 | ||
207 | /* print extensions */ | |
208 | if (extensions) | |
209 | WriteExtensions(file, info->extensions, info->nextensions); | |
210 | ||
211 | /* close the array */ | |
212 | fprintf(file, "};\n"); | |
213 | ||
214 | return (XpmSuccess); | |
215 | } | |
216 | ||
217 | static void | |
218 | WriteColors(file, colors, ncolors) | |
219 | FILE *file; | |
220 | XpmColor *colors; | |
221 | unsigned int ncolors; | |
222 | { | |
223 | unsigned int a, key; | |
224 | char *s; | |
225 | char **defaults; | |
226 | ||
227 | for (a = 0; a < ncolors; a++, colors++) { | |
228 | ||
229 | defaults = (char **) colors; | |
230 | fprintf(file, "\"%s", *defaults++); | |
231 | ||
232 | for (key = 1; key <= NKEYS; key++, defaults++) { | |
233 | if (s = *defaults) | |
234 | fprintf(file, "\t%s %s", xpmColorKeys[key - 1], s); | |
235 | } | |
236 | fprintf(file, "\",\n"); | |
237 | } | |
238 | } | |
239 | ||
240 | ||
241 | static int | |
242 | WritePixels(file, width, height, cpp, pixels, colors) | |
243 | FILE *file; | |
244 | unsigned int width; | |
245 | unsigned int height; | |
246 | unsigned int cpp; | |
247 | unsigned int *pixels; | |
248 | XpmColor *colors; | |
249 | { | |
250 | char *s, *p, *buf; | |
251 | unsigned int x, y, h; | |
252 | ||
253 | h = height - 1; | |
254 | p = buf = (char *) XpmMalloc(width * cpp + 3); | |
255 | if (!buf) | |
256 | return (XpmNoMemory); | |
257 | *buf = '"'; | |
258 | p++; | |
259 | for (y = 0; y < h; y++) { | |
260 | s = p; | |
261 | for (x = 0; x < width; x++, pixels++) { | |
262 | strncpy(s, colors[*pixels].string, cpp); | |
263 | s += cpp; | |
264 | } | |
265 | *s++ = '"'; | |
266 | *s = '\0'; | |
267 | fprintf(file, "%s,\n", buf); | |
268 | } | |
269 | /* duplicate some code to avoid a test in the loop */ | |
270 | s = p; | |
271 | for (x = 0; x < width; x++, pixels++) { | |
272 | strncpy(s, colors[*pixels].string, cpp); | |
273 | s += cpp; | |
274 | } | |
275 | *s++ = '"'; | |
276 | *s = '\0'; | |
277 | fprintf(file, "%s", buf); | |
278 | ||
279 | XpmFree(buf); | |
280 | return (XpmSuccess); | |
281 | } | |
282 | ||
283 | static void | |
284 | WriteExtensions(file, ext, num) | |
285 | FILE *file; | |
286 | XpmExtension *ext; | |
287 | unsigned int num; | |
288 | { | |
289 | unsigned int x, y, n; | |
290 | char **line; | |
291 | ||
292 | for (x = 0; x < num; x++, ext++) { | |
293 | fprintf(file, ",\n\"XPMEXT %s\"", ext->name); | |
294 | n = ext->nlines; | |
295 | for (y = 0, line = ext->lines; y < n; y++, line++) | |
296 | fprintf(file, ",\n\"%s\"", *line); | |
297 | } | |
298 | fprintf(file, ",\n\"XPMENDEXT\""); | |
299 | } | |
300 | ||
301 | /* | |
302 | * open the given file to be written as an xpmData which is returned | |
303 | */ | |
304 | static int | |
305 | OpenWriteFile(filename, mdata) | |
306 | char *filename; | |
307 | xpmData *mdata; | |
308 | { | |
309 | #ifndef NO_ZPIPE | |
310 | char buf[BUFSIZ]; | |
311 | ||
312 | #endif | |
313 | ||
314 | if (!filename) { | |
315 | mdata->stream.file = (stdout); | |
316 | mdata->type = XPMFILE; | |
317 | } else { | |
318 | #ifndef NO_ZPIPE | |
319 | int len = strlen(filename); | |
320 | if (len > 2 && !strcmp(".Z", filename + (len - 2))) { | |
321 | sprintf(buf, "compress > \"%s\"", filename); | |
322 | if (!(mdata->stream.file = popen(buf, "w"))) | |
323 | return (XpmOpenFailed); | |
324 | ||
325 | mdata->type = XPMPIPE; | |
326 | } else if (len > 3 && !strcmp(".gz", filename + (len - 3))) { | |
327 | sprintf(buf, "gzip -q > \"%s\"", filename); | |
328 | if (!(mdata->stream.file = popen(buf, "w"))) | |
329 | return (XpmOpenFailed); | |
330 | ||
331 | mdata->type = XPMPIPE; | |
332 | } else { | |
333 | #endif | |
334 | if (!(mdata->stream.file = fopen(filename, "w"))) | |
335 | return (XpmOpenFailed); | |
336 | ||
337 | mdata->type = XPMFILE; | |
338 | #ifndef NO_ZPIPE | |
339 | } | |
340 | #endif | |
341 | } | |
342 | return (XpmSuccess); | |
343 | } | |
344 | ||
345 | /* | |
346 | * close the file related to the xpmData if any | |
347 | */ | |
348 | static void | |
349 | xpmDataClose(mdata) | |
350 | xpmData *mdata; | |
351 | { | |
352 | switch (mdata->type) { | |
353 | case XPMFILE: | |
354 | if (mdata->stream.file != (stdout)) | |
355 | fclose(mdata->stream.file); | |
356 | break; | |
357 | #ifndef NO_ZPIPE | |
358 | case XPMPIPE: | |
359 | pclose(mdata->stream.file); | |
360 | break; | |
361 | #endif | |
362 | } | |
363 | } |