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Comparing rxvt-unicode/src/xpm.C (file contents):
Revision 1.6 by pcg, Sat Jan 31 02:15:02 2004 UTC vs.
Revision 1.30 by root, Wed Jan 25 21:09:22 2006 UTC

1/*--------------------------------*-C-*---------------------------------* 1/*--------------------------------*-C-*---------------------------------*
2 * File: xpm.c 2 * File: xpm.C
3 *----------------------------------------------------------------------* 3 *----------------------------------------------------------------------*
4 * $Id: xpm.C,v 1.6 2004/01/31 02:15:02 pcg Exp $
5 * 4 *
6 * All portions of code are copyright by their respective author/s. 5 * All portions of code are copyright by their respective author/s.
7 * Copyright (c) 1997 Carsten Haitzler <raster@zip.com.au> 6 * Copyright (c) 1997 Carsten Haitzler <raster@zip.com.au>
8 * Copyright (c) 1997,1998 Oezguer Kesim <kesim@math.fu-berlin.de> 7 * Copyright (c) 1997,1998 Oezguer Kesim <kesim@math.fu-berlin.de>
9 * Copyright (c) 1998-2001 Geoff Wing <gcw@pobox.com> 8 * Copyright (c) 1998-2001 Geoff Wing <gcw@pobox.com>
… …
23 * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. 22 * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
24 *---------------------------------------------------------------------*/ 23 *---------------------------------------------------------------------*/
25 24
26#include "../config.h" /* NECESSARY */ 25#include "../config.h" /* NECESSARY */
27#include "rxvt.h" /* NECESSARY */ 26#include "rxvt.h" /* NECESSARY */
28#include "xpm.intpro" /* PROTOS for internal routines */
29 27
30#ifdef XPM_BACKGROUND 28#ifdef XPM_BACKGROUND
29
30static void rxvt_pixmap_incr (unsigned int *wh, unsigned int *xy, float *incr, float *p, unsigned int widthheight, unsigned int xpmwidthheight);
31 31
32/* 32/*
33 * These GEOM strings indicate absolute size/position: 33 * These GEOM strings indicate absolute size/position:
34 * @ `WxH+X+Y' 34 * @ `WxH+X+Y'
35 * @ `WxH+X' -> Y = X 35 * @ `WxH+X' -> Y = X
… …
50 * @ `?' 50 * @ `?'
51 */ 51 */
52int 52int
53rxvt_term::scale_pixmap (const char *geom) 53rxvt_term::scale_pixmap (const char *geom)
54{ 54{
55 int flags, changed = 0; 55 int flags, changed = 0;
56 int x = 0, y = 0; 56 int x = 0, y = 0;
57 unsigned int w = 0, h = 0; 57 unsigned int w = 0, h = 0;
58 unsigned int n; 58 unsigned int n;
59 char *p, *str; 59 char *p;
60 bgPixmap_t *bgpixmap = &(bgPixmap); 60 bgPixmap_t *bgpixmap = & (bgPixmap);
61 61
62#define MAXLEN_GEOM sizeof("[1000x1000+1000+1000]") 62#define MAXLEN_GEOM sizeof("[10000x10000+10000+10000]")
63 63
64 if (geom == NULL) 64 if (geom == NULL)
65 return 0; 65 return 0;
66 str = (char *)rxvt_malloc (MAXLEN_GEOM + 1); 66
67 if (!STRCMP(geom, "?")) { 67 char str[MAXLEN_GEOM];
68
69 if (!strcmp (geom, "?"))
70 {
68 sprintf(str, "[%dx%d+%d+%d]", /* can't presume snprintf() ! */ 71 sprintf (str, "[%dx%d+%d+%d]", /* can't presume snprintf () ! */
69 min(bgpixmap->w, 9999), min(bgpixmap->h, 9999), 72 min (bgpixmap->w, 32767), min (bgpixmap->h, 32767),
70 min(bgpixmap->x, 9999), min(bgpixmap->y, 9999)); 73 min (bgpixmap->x, 32767), min (bgpixmap->y, 32767));
71 xterm_seq (XTerm_title, str, CHAR_ST); 74 process_xterm_seq (XTerm_title, str, CHAR_ST);
72 free(str); 75 return 0;
73 return 0;
74 } 76 }
75 77
76 if ((p = STRCHR(geom, ';')) == NULL) 78 if ((p = strchr (geom, ';')) == NULL)
77 p = STRCHR(geom, '\0'); 79 p = strchr (geom, '\0');
80
78 n = (p - geom); 81 n = (p - geom);
79 if (n <= MAXLEN_GEOM) { 82 if (n <= MAXLEN_GEOM)
80 STRNCPY(str, geom, n); 83 {
84 strncpy (str, geom, n);
81 str[n] = '\0'; 85 str[n] = '\0';
82 86
83 flags = XParseGeometry(str, &x, &y, &w, &h); 87 flags = XParseGeometry (str, &x, &y, &w, &h);
84 if (!flags) { 88
89 if (!flags)
90 {
85 flags |= WidthValue; 91 flags |= WidthValue;
86 w = 0; 92 w = 0;
87 } /* default is tile */ 93 } /* default is tile */
94
88 if (flags & WidthValue) { 95 if (flags & WidthValue)
96 {
97 if (!(flags & XValue))
98 x = 50;
99
100 if (!(flags & HeightValue))
101 h = w;
102
103 if (w && !h)
104 {
105 w = (bgpixmap->w * w) / 100;
106 h = bgpixmap->h;
107 }
108 else if (h && !w)
109 {
110 w = bgpixmap->w;
111 h = (bgpixmap->h * h) / 100;
112 }
113
114 min_it (w, 32767);
115 min_it (h, 32767);
116
117 if (bgpixmap->w != (short)w)
118 {
119 bgpixmap->w = (short)w;
120 changed++;
121 }
122
123 if (bgpixmap->h != (short)h)
124 {
125 bgpixmap->h = (short)h;
126 changed++;
127 }
128 }
129
89 if (!(flags & XValue)) 130 if (!(flags & YValue))
90 x = 50; 131 {
91 if (!(flags & HeightValue)) 132 if (flags & XNegative)
92 h = w; 133 flags |= YNegative;
93 if (w && !h) { 134
94 w = (bgpixmap->w * w) / 100; 135 y = x;
95 h = bgpixmap->h; 136 }
96 } else if (h && !w) { 137
97 w = bgpixmap->w; 138 if (!(flags & WidthValue) && geom[0] != '=')
98 h = (bgpixmap->h * h) / 100; 139 {
140 x += bgpixmap->x;
141 y += bgpixmap->y;
142 }
143
144 if (xpmAttr.width && xpmAttr.height)
145 {
146 x = MOD(x, xpmAttr.width);
147 y = MOD(y, xpmAttr.height);
148 }
149
150 if (bgpixmap->x != x)
151 {
152 bgpixmap->x = x;
153 changed++;
154 }
155
156 if (bgpixmap->y != y)
157 {
158 bgpixmap->y = y;
159 changed++;
160 }
99 } 161 }
100 if (w > 1000)
101 w = 1000;
102 if (h > 1000)
103 h = 1000;
104 if (bgpixmap->w != (short)w) {
105 bgpixmap->w = (short)w;
106 changed++;
107 }
108 if (bgpixmap->h != (short)h) {
109 bgpixmap->h = (short)h;
110 changed++;
111 }
112 }
113 if (!(flags & YValue)) {
114 if (flags & XNegative)
115 flags |= YNegative;
116 y = x;
117 }
118 162
119 if (!(flags & WidthValue) && geom[0] != '=') {
120 x += bgpixmap->x;
121 y += bgpixmap->y;
122 } else {
123 if (flags & XNegative)
124 x += 100;
125 if (flags & YNegative)
126 y += 100;
127 }
128 MIN_IT(x, 100);
129 MIN_IT(y, 100);
130 MAX_IT(x, 0);
131 MAX_IT(y, 0);
132 if (bgpixmap->x != x) {
133 bgpixmap->x = x;
134 changed++;
135 }
136 if (bgpixmap->y != y) {
137 bgpixmap->y = y;
138 changed++;
139 }
140 }
141 free(str);
142 return changed; 163 return changed;
143} 164}
144 165
145void 166void
146rxvt_term::resize_pixmap () 167rxvt_term::resize_pixmap ()
147{ 168{
148 XGCValues gcvalue; 169 XGCValues gcvalue;
149 GC gc; 170 GC gc;
150 unsigned int width = TermWin_TotalWidth();
151 unsigned int height = TermWin_TotalHeight();
152 171
153 if (TermWin.pixmap != None) 172 if (pixmap != None)
154 XFreePixmap(Xdisplay, TermWin.pixmap); 173 XFreePixmap (xdisp, pixmap);
155 174
156 if (bgPixmap.pixmap == None) { /* So be it: I'm not using pixmaps */ 175 if (bgPixmap.pixmap == None)
157 TermWin.pixmap = None; 176 { /* So be it: I'm not using pixmaps */
158 if (!(Options & Opt_transparent) || am_transparent == 0) 177 pixmap = None;
159 XSetWindowBackground(Xdisplay, TermWin.vt,
160 PixColors[Color_bg]);
161 return;
162 }
163 178
179 if (!OPTION (Opt_transparent) || !am_transparent)
180 XSetWindowBackground (xdisp, vt, pix_colors[Color_bg]);
181
182 return;
183 }
184
164 gcvalue.foreground = PixColors[Color_bg]; 185 gcvalue.foreground = pix_colors[Color_bg];
165 gc = XCreateGC(Xdisplay, TermWin.vt, GCForeground, &gcvalue); 186 gc = XCreateGC (xdisp, vt, GCForeground, &gcvalue);
166 187
167 if (bgPixmap.pixmap != None) { /* we have a specified pixmap */ 188 if (bgPixmap.pixmap != None)
189 { /* we have a specified pixmap */
168 unsigned int w = bgPixmap.w, h = bgPixmap.h, 190 unsigned int w = bgPixmap.w, h = bgPixmap.h,
169 x = bgPixmap.x, y = bgPixmap.y; 191 x = bgPixmap.x, y = bgPixmap.y;
170 unsigned int xpmh = xpmAttr.height, 192 unsigned int xpmh = xpmAttr.height,
171 xpmw = xpmAttr.width; 193 xpmw = xpmAttr.width;
172 194
173 /* 195 /*
174 * don't zoom pixmap too much nor expand really small pixmaps 196 * don't zoom pixmap too much nor expand really small pixmaps
175 */ 197 */
176 if (w > 1000 || h > 1000) 198 if (w > 32767 || h > 32767)
177 w = 1; 199 w = 1;
178 else if (width > (10 * xpmw) 200 else if (width > (10 * xpmw)
179 || height > (10 * xpmh)) 201 || height > (10 * xpmh))
180 w = 0; /* tile */ 202 w = 0; /* tile */
181 203
182 if (w == 0) { 204 if (!w)
205 {
183 /* basic X tiling - let the X server do it */ 206 /* basic X tiling - let the X server do it */
184 TermWin.pixmap = XCreatePixmap(Xdisplay, TermWin.vt, 207 pixmap = XCreatePixmap (xdisp, vt, xpmw, xpmh, depth);
185 xpmw, xpmh,
186 (unsigned int)XDEPTH);
187 XCopyArea(Xdisplay, bgPixmap.pixmap, TermWin.pixmap, gc,
188 0, 0, xpmw, xpmh, 0, 0);
189 } else {
190 float incr, p;
191 Pixmap tmp;
192 208
193 TermWin.pixmap = XCreatePixmap(Xdisplay, TermWin.vt, 209 XCopyArea (xdisp, bgPixmap.pixmap, pixmap, gc, x, y, xpmw - x, xpmh - y, 0, 0);
194 width, height, 210 XCopyArea (xdisp, bgPixmap.pixmap, pixmap, gc, x, 0, xpmw - x, y, 0, xpmh - y);
195 (unsigned int)XDEPTH); 211 XCopyArea (xdisp, bgPixmap.pixmap, pixmap, gc, 0, y, x, xpmh - y, xpmw - x, 0);
196 /* 212 XCopyArea (xdisp, bgPixmap.pixmap, pixmap, gc, 0, 0, x, y, xpmw - x, xpmh - y);
213 }
214 else
215 {
216 float incr, p;
217 Pixmap tmp;
218
219 pixmap = XCreatePixmap (xdisp, vt, width, height, depth);
220 /*
197 * horizontal scaling 221 * horizontal scaling
198 */ 222 */
199 rxvt_pixmap_incr(&w, &x, &incr, &p, width, xpmw); 223 rxvt_pixmap_incr (&w, &x, &incr, &p, width, xpmw);
200 224
201 tmp = XCreatePixmap(Xdisplay, TermWin.vt, 225 tmp = XCreatePixmap (xdisp, vt, width, xpmh, depth);
202 width, xpmh, (unsigned int)XDEPTH);
203 XFillRectangle(Xdisplay, tmp, gc, 0, 0, width, 226 XFillRectangle (xdisp, tmp, gc, 0, 0, width, xpmh);
204 xpmh);
205 227
206 for ( /*nil */ ; x < w; x++, p += incr) { 228 for ( /*nil */ ; x < w; x++, p += incr)
207 if (p >= xpmw) 229 {
208 p = 0; 230 if (p >= xpmw)
231 p = 0;
232
209 /* copy one column from the original pixmap to the tmp pixmap */ 233 /* copy one column from the original pixmap to the tmp pixmap */
210 XCopyArea(Xdisplay, bgPixmap.pixmap, tmp, gc, 234 XCopyArea (xdisp, bgPixmap.pixmap, tmp, gc, (int)p, 0, 1, xpmh, (int)x, 0);
211 (int)p, 0, 1, xpmh, (int)x, 0); 235 }
212 }
213 236
214 /* 237 /*
215 * vertical scaling 238 * vertical scaling
216 */ 239 */
217 rxvt_pixmap_incr(&h, &y, &incr, &p, height, xpmh); 240 rxvt_pixmap_incr (&h, &y, &incr, &p, height, xpmh);
218 241
219 if (y > 0) 242 if (y > 0)
220 XFillRectangle(Xdisplay, TermWin.pixmap, gc, 0, 0, width, 243 XFillRectangle (xdisp, pixmap, gc, 0, 0, width, y);
221 y); 244
222 if (h < height) 245 if (h < height)
223 XFillRectangle(Xdisplay, TermWin.pixmap, gc, 0, (int)h, 246 XFillRectangle (xdisp, pixmap, gc, 0, (int)h, width, height - h + 1);
224 width, height - h + 1); 247
225 for ( /*nil */ ; y < h; y++, p += incr) { 248 for ( /*nil */ ; y < h; y++, p += incr)
226 if (p >= xpmh) 249 {
227 p = 0; 250 if (p >= xpmh)
251 p = 0;
252
228 /* copy one row from the tmp pixmap to the main pixmap */ 253 /* copy one row from the tmp pixmap to the main pixmap */
229 XCopyArea(Xdisplay, tmp, TermWin.pixmap, gc, 254 XCopyArea (xdisp, tmp, pixmap, gc, 0, (int)p, width, 1, 0, (int)y);
230 0, (int)p, width, 1, 0, (int)y); 255 }
256
257 XFreePixmap (xdisp, tmp);
258 }
231 } 259 }
232 XFreePixmap(Xdisplay, tmp); 260
233 } 261 XSetWindowBackgroundPixmap (xdisp, vt, pixmap);
262
263 if (pixmap != None)
234 } 264 {
235 XSetWindowBackgroundPixmap(Xdisplay, TermWin.vt, TermWin.pixmap); 265 XFreePixmap (xdisp, pixmap);
266 pixmap = None;
267 }
268
236 XFreeGC(Xdisplay, gc); 269 XFreeGC (xdisp, gc);
237 am_transparent = 0; 270 am_transparent = 0;
238
239 XClearWindow(Xdisplay, TermWin.vt);
240
241 XSync(Xdisplay, False);
242} 271}
243 272
244/* 273/*
245 * Calculate tiling sizes and increments 274 * Calculate tiling sizes and increments
246 * At start, p == 0, incr == xpmwidthheight 275 * At start, p == 0, incr == xpmwidthheight
247 */ 276 */
248/* INTPROTO */
249static void 277static void
250rxvt_pixmap_incr(unsigned int *wh, unsigned int *xy, float *incr, float *p, unsigned int widthheight, unsigned int xpmwidthheight) 278rxvt_pixmap_incr (unsigned int *wh, unsigned int *xy, float *incr, float *p, unsigned int widthheight, unsigned int xpmwidthheight)
251{ 279{
252 unsigned int cwh, cxy; 280 unsigned int cwh, cxy;
253 float cincr, cp; 281 float cincr, cp;
254 282
255 cp = 0; 283 cp = 0;
256 cincr = (float)xpmwidthheight; 284 cincr = (float)xpmwidthheight;
257 cxy = *xy; 285 cxy = *xy;
258 cwh = *wh; 286 cwh = *wh;
287 if (cwh == 1)
259 if (cwh == 1) { /* display one image, no horizontal/vertical scaling */ 288 { /* display one image, no horizontal/vertical scaling */
260 cincr = (float)widthheight; 289 cincr = (float)widthheight;
261 if (xpmwidthheight <= widthheight) { 290 if (xpmwidthheight <= widthheight)
291 {
262 cwh = xpmwidthheight; 292 cwh = xpmwidthheight;
263 cxy = (cxy * (widthheight - cwh)) / 100; /* beware! order */ 293 cxy = (cxy * (widthheight - cwh)) / 100; /* beware! order */
264 cwh += cxy; 294 cwh += cxy;
265 } else { 295 }
296 else
297 {
298 cxy = 0;
299 cwh = widthheight;
300 }
301 }
302 else if (cwh < 10)
303 { /* fit WH images across/down screen */
304 cincr *= cwh;
266 cxy = 0; 305 cxy = 0;
267 cwh = widthheight; 306 cwh = widthheight;
268 } 307 }
269 } else if (cwh < 10) { /* fit WH images across/down screen */ 308 else
270 cincr *= cwh; 309 {
271 cxy = 0;
272 cwh = widthheight;
273 } else {
274 cincr *= 100.0 / cwh; 310 cincr *= 100.0 / cwh;
275 if (cwh < 100) { /* contract */ 311 if (cwh < 100)
312 { /* contract */
276 float pos; 313 float pos;
277 314
278 cwh = (cwh * widthheight) / 100; 315 cwh = (cwh * widthheight) / 100;
279 pos = (float)cxy / 100 * widthheight - (cwh / 2); 316 pos = (float)cxy / 100 * widthheight - (cwh / 2);
280 317
281 cxy = (widthheight - cwh); 318 cxy = (widthheight - cwh);
282 if (pos <= 0) 319 if (pos <= 0)
283 cxy = 0; 320 cxy = 0;
284 else if (pos < cxy) 321 else if (pos < cxy)
285 cxy = (int) pos; 322 cxy = (int) pos;
286 cwh += cxy; 323 cwh += cxy;
287 } else { /* expand */ 324 }
288 if (cxy > 0) { /* position */ 325 else
289 float pos; 326 { /* expand */
327 if (cxy > 0)
328 { /* position */
329 float pos;
290 330
291 pos = (float)cxy / 100 * xpmwidthheight - (cincr / 2); 331 pos = (float)cxy / 100 * xpmwidthheight - (cincr / 2);
292 cp = xpmwidthheight - cincr; 332 cp = xpmwidthheight - cincr;
293 if (pos <= 0) 333 if (pos <= 0)
294 cp = 0; 334 cp = 0;
295 else if (pos < cp) 335 else if (pos < cp)
296 cp = pos; 336 cp = pos;
337 }
338 cxy = 0;
339 cwh = widthheight;
340 }
297 } 341 }
298 cxy = 0;
299 cwh = widthheight;
300 }
301 }
302 cincr /= widthheight; 342 cincr /= widthheight;
303 *wh = cwh; 343 *wh = cwh;
304 *xy = cxy; 344 *xy = cxy;
305 *incr = cincr; 345 *incr = cincr;
306 *p = cp; 346 *p = cp;
307} 347}
308 348
309Pixmap 349Pixmap
310rxvt_term::set_bgPixmap (const char *file) 350rxvt_term::set_bgPixmap (const char *file)
311{ 351{
312 char *f; 352 char *f;
313 353
314 assert(file != NULL); 354 assert (file != NULL);
315 355
316 if (bgPixmap.pixmap != None) { 356 if (bgPixmap.pixmap != None)
357 {
317 XFreePixmap(Xdisplay, bgPixmap.pixmap); 358 XFreePixmap (xdisp, bgPixmap.pixmap);
318 bgPixmap.pixmap = None; 359 bgPixmap.pixmap = None;
319 } 360 }
361
320 XSetWindowBackground(Xdisplay, TermWin.vt, PixColors[Color_bg]); 362 XSetWindowBackground (xdisp, vt, pix_colors[Color_bg]);
321 363
322 if (*file != '\0') { 364 if (*file != '\0')
365 {
323/* XWindowAttributes attr; */ 366 /* XWindowAttributes attr; */
324 367
325 /* 368 /*
326 * we already have the required attributes 369 * we already have the required attributes
327 */ 370 */
328/* XGetWindowAttributes(Xdisplay, TermWin.vt, &attr); */ 371 /* XGetWindowAttributes (xdisp, vt, &attr); */
329 372
330 xpmAttr.closeness = 30000; 373 xpmAttr.closeness = 30000;
331 xpmAttr.colormap = XCMAP; 374 xpmAttr.colormap = cmap;
332 xpmAttr.visual = XVISUAL; 375 xpmAttr.visual = visual;
333 xpmAttr.depth = XDEPTH; 376 xpmAttr.depth = depth;
334 xpmAttr.valuemask = (XpmCloseness | XpmColormap | XpmVisual | 377 xpmAttr.valuemask = (XpmCloseness | XpmColormap | XpmVisual
335 XpmDepth | XpmSize | XpmReturnPixels); 378 | XpmDepth | XpmSize | XpmReturnPixels);
336 379
337 /* search environment variables here too */ 380 /* search environment variables here too */
338 f = (char *)rxvt_File_find(file, ".xpm", rs[Rs_path]); 381 f = (char *)rxvt_File_find (file, ".xpm", rs[Rs_path]);
339 if (f == NULL 382 if (f == NULL
340 || XpmReadFileToPixmap(Xdisplay, Xroot, f, 383 || XpmReadFileToPixmap (xdisp, display->root, f,
341 &bgPixmap.pixmap, NULL, 384 &bgPixmap.pixmap, NULL,
342 &xpmAttr)) { 385 &xpmAttr))
343 char *p; 386 {
387 char *p;
344 388
345 /* semi-colon delimited */ 389 /* semi-colon delimited */
346 if ((p = STRCHR(file, ';')) == NULL) 390 if ((p = strchr (file, ';')) == NULL)
347 p = STRCHR(file, '\0'); 391 p = strchr (file, '\0');
348 392
349 rxvt_print_error("couldn't load XPM file \"%.*s\"", (p - file), 393 rxvt_warn ("couldn't load XPM file \"%.*s\", ignoring.\n", (p - file), file);
350 file); 394 }
351 } 395
352 free(f); 396 free (f);
353 } 397 }
398
354 resize_pixmap (); 399 resize_pixmap ();
355 return bgPixmap.pixmap; 400 return bgPixmap.pixmap;
356} 401}
357 402
358#endif /* XPM_BACKGROUND */ 403#endif /* XPM_BACKGROUND */

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