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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 1.34 by root, Mon Feb 20 22:42:01 2006 UTC

1/*--------------------------------*-C-*---------------------------------* 1/*----------------------------------------------------------------------*
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>
9 * Copyright (c) 2005-2006 Marc Lehmann <pcg@goof.com>
10 * 10 *
11 * This program is free software; you can redistribute it and/or modify 11 * This program is free software; you can redistribute it and/or modify
12 * it under the terms of the GNU General Public License as published by 12 * it under the terms of the GNU General Public License as published by
13 * the Free Software Foundation; either version 2 of the License, or 13 * the Free Software Foundation; either version 2 of the License, or
14 * (at your option) any later version. 14 * (at your option) any later version.
… …
23 * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. 23 * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
24 *---------------------------------------------------------------------*/ 24 *---------------------------------------------------------------------*/
25 25
26#include "../config.h" /* NECESSARY */ 26#include "../config.h" /* NECESSARY */
27#include "rxvt.h" /* NECESSARY */ 27#include "rxvt.h" /* NECESSARY */
28#include "xpm.intpro" /* PROTOS for internal routines */
29 28
30#ifdef XPM_BACKGROUND 29#ifdef XPM_BACKGROUND
30
31static void rxvt_pixmap_incr (unsigned int *wh, unsigned int *xy, float *incr, float *p, unsigned int widthheight, unsigned int xpmwidthheight);
31 32
32/* 33/*
33 * These GEOM strings indicate absolute size/position: 34 * These GEOM strings indicate absolute size/position:
34 * @ `WxH+X+Y' 35 * @ `WxH+X+Y'
35 * @ `WxH+X' -> Y = X 36 * @ `WxH+X' -> Y = X
… …
50 * @ `?' 51 * @ `?'
51 */ 52 */
52int 53int
53rxvt_term::scale_pixmap (const char *geom) 54rxvt_term::scale_pixmap (const char *geom)
54{ 55{
55 int flags, changed = 0; 56 int flags, changed = 0;
56 int x = 0, y = 0; 57 int x = 0, y = 0;
57 unsigned int w = 0, h = 0; 58 unsigned int w = 0, h = 0;
58 unsigned int n; 59 unsigned int n;
59 char *p, *str; 60 char *p;
60 bgPixmap_t *bgpixmap = &(bgPixmap); 61 bgPixmap_t *bgpixmap = & (bgPixmap);
61 62
62#define MAXLEN_GEOM sizeof("[1000x1000+1000+1000]") 63#define MAXLEN_GEOM sizeof("[10000x10000+10000+10000]")
63 64
64 if (geom == NULL) 65 if (geom == NULL)
65 return 0; 66 return 0;
66 str = (char *)rxvt_malloc (MAXLEN_GEOM + 1); 67
67 if (!STRCMP(geom, "?")) { 68 char str[MAXLEN_GEOM];
69
70 if (!strcmp (geom, "?"))
71 {
68 sprintf(str, "[%dx%d+%d+%d]", /* can't presume snprintf() ! */ 72 sprintf (str, "[%dx%d+%d+%d]", /* can't presume snprintf () ! */
69 min(bgpixmap->w, 9999), min(bgpixmap->h, 9999), 73 min (bgpixmap->w, 32767), min (bgpixmap->h, 32767),
70 min(bgpixmap->x, 9999), min(bgpixmap->y, 9999)); 74 min (bgpixmap->x, 32767), min (bgpixmap->y, 32767));
71 xterm_seq (XTerm_title, str, CHAR_ST); 75 process_xterm_seq (XTerm_title, str, CHAR_ST);
72 free(str); 76 return 0;
73 return 0;
74 } 77 }
75 78
76 if ((p = STRCHR(geom, ';')) == NULL) 79 if ((p = strchr (geom, ';')) == NULL)
77 p = STRCHR(geom, '\0'); 80 p = strchr (geom, '\0');
81
78 n = (p - geom); 82 n = (p - geom);
79 if (n <= MAXLEN_GEOM) { 83 if (n <= MAXLEN_GEOM)
80 STRNCPY(str, geom, n); 84 {
85 strncpy (str, geom, n);
81 str[n] = '\0'; 86 str[n] = '\0';
82 87
83 flags = XParseGeometry(str, &x, &y, &w, &h); 88 flags = XParseGeometry (str, &x, &y, &w, &h);
84 if (!flags) { 89
90 if (!flags)
91 {
85 flags |= WidthValue; 92 flags |= WidthValue;
86 w = 0; 93 w = 0;
87 } /* default is tile */ 94 } /* default is tile */
95
88 if (flags & WidthValue) { 96 if (flags & WidthValue)
97 {
98 if (!(flags & XValue))
99 x = 50;
100
101 if (!(flags & HeightValue))
102 h = w;
103
104 if (w && !h)
105 {
106 w = (bgpixmap->w * w) / 100;
107 h = bgpixmap->h;
108 }
109 else if (h && !w)
110 {
111 w = bgpixmap->w;
112 h = (bgpixmap->h * h) / 100;
113 }
114
115 min_it (w, 32767);
116 min_it (h, 32767);
117
118 if (bgpixmap->w != (short)w)
119 {
120 bgpixmap->w = (short)w;
121 changed++;
122 }
123
124 if (bgpixmap->h != (short)h)
125 {
126 bgpixmap->h = (short)h;
127 changed++;
128 }
129 }
130
89 if (!(flags & XValue)) 131 if (!(flags & YValue))
90 x = 50; 132 {
91 if (!(flags & HeightValue)) 133 if (flags & XNegative)
92 h = w; 134 flags |= YNegative;
93 if (w && !h) { 135
94 w = (bgpixmap->w * w) / 100; 136 y = x;
95 h = bgpixmap->h; 137 }
96 } else if (h && !w) { 138
97 w = bgpixmap->w; 139 if (!(flags & WidthValue) && geom[0] != '=')
98 h = (bgpixmap->h * h) / 100; 140 {
141 x += bgpixmap->x;
142 y += bgpixmap->y;
143 }
144
145 if (xpmAttr.width && xpmAttr.height)
146 {
147 x = MOD(x, xpmAttr.width);
148 y = MOD(y, xpmAttr.height);
149 }
150
151 if (bgpixmap->x != x)
152 {
153 bgpixmap->x = x;
154 changed++;
155 }
156
157 if (bgpixmap->y != y)
158 {
159 bgpixmap->y = y;
160 changed++;
161 }
99 } 162 }
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 }
118 163
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; 164 return changed;
143} 165}
144 166
145void 167void
146rxvt_term::resize_pixmap () 168rxvt_term::resize_pixmap ()
147{ 169{
148 XGCValues gcvalue; 170 XGCValues gcvalue;
149 GC gc; 171 GC gc;
150 unsigned int width = TermWin_TotalWidth();
151 unsigned int height = TermWin_TotalHeight();
152 172
153 if (TermWin.pixmap != None) 173 if (pixmap != None)
154 XFreePixmap(Xdisplay, TermWin.pixmap); 174 XFreePixmap (dpy, pixmap);
155 175
156 if (bgPixmap.pixmap == None) { /* So be it: I'm not using pixmaps */ 176 if (bgPixmap.pixmap == None)
157 TermWin.pixmap = None; 177 { /* So be it: I'm not using pixmaps */
158 if (!(Options & Opt_transparent) || am_transparent == 0) 178 pixmap = None;
159 XSetWindowBackground(Xdisplay, TermWin.vt,
160 PixColors[Color_bg]);
161 return;
162 }
163 179
180 if (!OPTION (Opt_transparent) || !am_transparent)
181 XSetWindowBackground (dpy, vt, pix_colors[Color_bg]);
182
183 return;
184 }
185
164 gcvalue.foreground = PixColors[Color_bg]; 186 gcvalue.foreground = pix_colors[Color_bg];
165 gc = XCreateGC(Xdisplay, TermWin.vt, GCForeground, &gcvalue); 187 gc = XCreateGC (dpy, vt, GCForeground, &gcvalue);
166 188
167 if (bgPixmap.pixmap != None) { /* we have a specified pixmap */ 189 if (bgPixmap.pixmap != None)
190 { /* we have a specified pixmap */
168 unsigned int w = bgPixmap.w, h = bgPixmap.h, 191 unsigned int w = bgPixmap.w, h = bgPixmap.h,
169 x = bgPixmap.x, y = bgPixmap.y; 192 x = bgPixmap.x, y = bgPixmap.y;
170 unsigned int xpmh = xpmAttr.height, 193 unsigned int xpmh = xpmAttr.height,
171 xpmw = xpmAttr.width; 194 xpmw = xpmAttr.width;
172 195
173 /* 196 /*
174 * don't zoom pixmap too much nor expand really small pixmaps 197 * don't zoom pixmap too much nor expand really small pixmaps
175 */ 198 */
176 if (w > 1000 || h > 1000) 199 if (w > 32767 || h > 32767)
177 w = 1; 200 w = 1;
178 else if (width > (10 * xpmw) 201 else if (width > (10 * xpmw)
179 || height > (10 * xpmh)) 202 || height > (10 * xpmh))
180 w = 0; /* tile */ 203 w = 0; /* tile */
181 204
182 if (w == 0) { 205 if (!w)
206 {
183 /* basic X tiling - let the X server do it */ 207 /* basic X tiling - let the X server do it */
184 TermWin.pixmap = XCreatePixmap(Xdisplay, TermWin.vt, 208 pixmap = XCreatePixmap (dpy, 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;
192 209
193 TermWin.pixmap = XCreatePixmap(Xdisplay, TermWin.vt, 210 XCopyArea (dpy, bgPixmap.pixmap, pixmap, gc, x, y, xpmw - x, xpmh - y, 0, 0);
194 width, height, 211 XCopyArea (dpy, bgPixmap.pixmap, pixmap, gc, x, 0, xpmw - x, y, 0, xpmh - y);
195 (unsigned int)XDEPTH); 212 XCopyArea (dpy, bgPixmap.pixmap, pixmap, gc, 0, y, x, xpmh - y, xpmw - x, 0);
196 /* 213 XCopyArea (dpy, bgPixmap.pixmap, pixmap, gc, 0, 0, x, y, xpmw - x, xpmh - y);
214 }
215 else
216 {
217 float incr, p;
218 Pixmap tmp;
219
220 pixmap = XCreatePixmap (dpy, vt, width, height, depth);
221 /*
197 * horizontal scaling 222 * horizontal scaling
198 */ 223 */
199 rxvt_pixmap_incr(&w, &x, &incr, &p, width, xpmw); 224 rxvt_pixmap_incr (&w, &x, &incr, &p, width, xpmw);
200 225
201 tmp = XCreatePixmap(Xdisplay, TermWin.vt, 226 tmp = XCreatePixmap (dpy, vt, width, xpmh, depth);
202 width, xpmh, (unsigned int)XDEPTH);
203 XFillRectangle(Xdisplay, tmp, gc, 0, 0, width, 227 XFillRectangle (dpy, tmp, gc, 0, 0, width, xpmh);
204 xpmh);
205 228
206 for ( /*nil */ ; x < w; x++, p += incr) { 229 for ( /*nil */ ; x < w; x++, p += incr)
207 if (p >= xpmw) 230 {
208 p = 0; 231 if (p >= xpmw)
232 p = 0;
233
209 /* copy one column from the original pixmap to the tmp pixmap */ 234 /* copy one column from the original pixmap to the tmp pixmap */
210 XCopyArea(Xdisplay, bgPixmap.pixmap, tmp, gc, 235 XCopyArea (dpy, bgPixmap.pixmap, tmp, gc, (int)p, 0, 1, xpmh, (int)x, 0);
211 (int)p, 0, 1, xpmh, (int)x, 0); 236 }
212 }
213 237
214 /* 238 /*
215 * vertical scaling 239 * vertical scaling
216 */ 240 */
217 rxvt_pixmap_incr(&h, &y, &incr, &p, height, xpmh); 241 rxvt_pixmap_incr (&h, &y, &incr, &p, height, xpmh);
218 242
219 if (y > 0) 243 if (y > 0)
220 XFillRectangle(Xdisplay, TermWin.pixmap, gc, 0, 0, width, 244 XFillRectangle (dpy, pixmap, gc, 0, 0, width, y);
221 y); 245
222 if (h < height) 246 if (h < height)
223 XFillRectangle(Xdisplay, TermWin.pixmap, gc, 0, (int)h, 247 XFillRectangle (dpy, pixmap, gc, 0, (int)h, width, height - h + 1);
224 width, height - h + 1); 248
225 for ( /*nil */ ; y < h; y++, p += incr) { 249 for ( /*nil */ ; y < h; y++, p += incr)
226 if (p >= xpmh) 250 {
227 p = 0; 251 if (p >= xpmh)
252 p = 0;
253
228 /* copy one row from the tmp pixmap to the main pixmap */ 254 /* copy one row from the tmp pixmap to the main pixmap */
229 XCopyArea(Xdisplay, tmp, TermWin.pixmap, gc, 255 XCopyArea (dpy, tmp, pixmap, gc, 0, (int)p, width, 1, 0, (int)y);
230 0, (int)p, width, 1, 0, (int)y); 256 }
257
258 XFreePixmap (dpy, tmp);
259 }
231 } 260 }
232 XFreePixmap(Xdisplay, tmp); 261
233 }
234 }
235 XSetWindowBackgroundPixmap(Xdisplay, TermWin.vt, TermWin.pixmap); 262 XSetWindowBackgroundPixmap (dpy, vt, pixmap);
263
236 XFreeGC(Xdisplay, gc); 264 XFreeGC (dpy, gc);
237 am_transparent = 0; 265 am_transparent = 0;
238
239 XClearWindow(Xdisplay, TermWin.vt);
240
241 XSync(Xdisplay, False);
242} 266}
243 267
244/* 268/*
245 * Calculate tiling sizes and increments 269 * Calculate tiling sizes and increments
246 * At start, p == 0, incr == xpmwidthheight 270 * At start, p == 0, incr == xpmwidthheight
247 */ 271 */
248/* INTPROTO */
249static void 272static void
250rxvt_pixmap_incr(unsigned int *wh, unsigned int *xy, float *incr, float *p, unsigned int widthheight, unsigned int xpmwidthheight) 273rxvt_pixmap_incr (unsigned int *wh, unsigned int *xy, float *incr, float *p, unsigned int widthheight, unsigned int xpmwidthheight)
251{ 274{
252 unsigned int cwh, cxy; 275 unsigned int cwh, cxy;
253 float cincr, cp; 276 float cincr, cp;
254 277
255 cp = 0; 278 cp = 0;
256 cincr = (float)xpmwidthheight; 279 cincr = (float)xpmwidthheight;
257 cxy = *xy; 280 cxy = *xy;
258 cwh = *wh; 281 cwh = *wh;
282 if (cwh == 1)
259 if (cwh == 1) { /* display one image, no horizontal/vertical scaling */ 283 { /* display one image, no horizontal/vertical scaling */
260 cincr = (float)widthheight; 284 cincr = (float)widthheight;
261 if (xpmwidthheight <= widthheight) { 285 if (xpmwidthheight <= widthheight)
286 {
262 cwh = xpmwidthheight; 287 cwh = xpmwidthheight;
263 cxy = (cxy * (widthheight - cwh)) / 100; /* beware! order */ 288 cxy = (cxy * (widthheight - cwh)) / 100; /* beware! order */
264 cwh += cxy; 289 cwh += cxy;
265 } else { 290 }
291 else
292 {
293 cxy = 0;
294 cwh = widthheight;
295 }
296 }
297 else if (cwh < 10)
298 { /* fit WH images across/down screen */
299 cincr *= cwh;
266 cxy = 0; 300 cxy = 0;
267 cwh = widthheight; 301 cwh = widthheight;
268 } 302 }
269 } else if (cwh < 10) { /* fit WH images across/down screen */ 303 else
270 cincr *= cwh; 304 {
271 cxy = 0;
272 cwh = widthheight;
273 } else {
274 cincr *= 100.0 / cwh; 305 cincr *= 100.0 / cwh;
275 if (cwh < 100) { /* contract */ 306 if (cwh < 100)
307 { /* contract */
276 float pos; 308 float pos;
277 309
278 cwh = (cwh * widthheight) / 100; 310 cwh = (cwh * widthheight) / 100;
279 pos = (float)cxy / 100 * widthheight - (cwh / 2); 311 pos = (float)cxy / 100 * widthheight - (cwh / 2);
280 312
281 cxy = (widthheight - cwh); 313 cxy = (widthheight - cwh);
282 if (pos <= 0) 314 if (pos <= 0)
283 cxy = 0; 315 cxy = 0;
284 else if (pos < cxy) 316 else if (pos < cxy)
285 cxy = (int) pos; 317 cxy = (int) pos;
286 cwh += cxy; 318 cwh += cxy;
287 } else { /* expand */ 319 }
288 if (cxy > 0) { /* position */ 320 else
289 float pos; 321 { /* expand */
322 if (cxy > 0)
323 { /* position */
324 float pos;
290 325
291 pos = (float)cxy / 100 * xpmwidthheight - (cincr / 2); 326 pos = (float)cxy / 100 * xpmwidthheight - (cincr / 2);
292 cp = xpmwidthheight - cincr; 327 cp = xpmwidthheight - cincr;
293 if (pos <= 0) 328 if (pos <= 0)
294 cp = 0; 329 cp = 0;
295 else if (pos < cp) 330 else if (pos < cp)
296 cp = pos; 331 cp = pos;
332 }
333 cxy = 0;
334 cwh = widthheight;
335 }
297 } 336 }
298 cxy = 0;
299 cwh = widthheight;
300 }
301 }
302 cincr /= widthheight; 337 cincr /= widthheight;
303 *wh = cwh; 338 *wh = cwh;
304 *xy = cxy; 339 *xy = cxy;
305 *incr = cincr; 340 *incr = cincr;
306 *p = cp; 341 *p = cp;
307} 342}
308 343
309Pixmap 344Pixmap
310rxvt_term::set_bgPixmap (const char *file) 345rxvt_term::set_bgPixmap (const char *file)
311{ 346{
312 char *f; 347 char *f;
313 348
314 assert(file != NULL); 349 assert (file != NULL);
315 350
316 if (bgPixmap.pixmap != None) { 351 if (bgPixmap.pixmap != None)
352 {
317 XFreePixmap(Xdisplay, bgPixmap.pixmap); 353 XFreePixmap (dpy, bgPixmap.pixmap);
318 bgPixmap.pixmap = None; 354 bgPixmap.pixmap = None;
319 } 355 }
356
320 XSetWindowBackground(Xdisplay, TermWin.vt, PixColors[Color_bg]); 357 XSetWindowBackground (dpy, vt, pix_colors[Color_bg]);
321 358
322 if (*file != '\0') { 359 if (*file != '\0')
360 {
323/* XWindowAttributes attr; */ 361 /* XWindowAttributes attr; */
324 362
325 /* 363 /*
326 * we already have the required attributes 364 * we already have the required attributes
327 */ 365 */
328/* XGetWindowAttributes(Xdisplay, TermWin.vt, &attr); */ 366 /* XGetWindowAttributes (dpy, vt, &attr); */
329 367
330 xpmAttr.closeness = 30000; 368 xpmAttr.closeness = 30000;
331 xpmAttr.colormap = XCMAP; 369 xpmAttr.colormap = cmap;
332 xpmAttr.visual = XVISUAL; 370 xpmAttr.visual = visual;
333 xpmAttr.depth = XDEPTH; 371 xpmAttr.depth = depth;
334 xpmAttr.valuemask = (XpmCloseness | XpmColormap | XpmVisual | 372 xpmAttr.valuemask = (XpmCloseness | XpmColormap | XpmVisual
335 XpmDepth | XpmSize | XpmReturnPixels); 373 | XpmDepth | XpmSize | XpmReturnPixels);
336 374
337 /* search environment variables here too */ 375 /* search environment variables here too */
338 f = (char *)rxvt_File_find(file, ".xpm", rs[Rs_path]); 376 f = (char *)rxvt_File_find (file, ".xpm", rs[Rs_path]);
339 if (f == NULL 377 if (f == NULL
340 || XpmReadFileToPixmap(Xdisplay, Xroot, f, 378 || XpmReadFileToPixmap (dpy, display->root, f,
341 &bgPixmap.pixmap, NULL, 379 &bgPixmap.pixmap, NULL,
342 &xpmAttr)) { 380 &xpmAttr))
343 char *p; 381 {
382 char *p;
344 383
345 /* semi-colon delimited */ 384 /* semi-colon delimited */
346 if ((p = STRCHR(file, ';')) == NULL) 385 if ((p = strchr (file, ';')) == NULL)
347 p = STRCHR(file, '\0'); 386 p = strchr (file, '\0');
348 387
349 rxvt_print_error("couldn't load XPM file \"%.*s\"", (p - file), 388 rxvt_warn ("couldn't load XPM file \"%.*s\", ignoring.\n", (p - file), file);
350 file); 389 }
351 } 390
352 free(f); 391 free (f);
353 } 392 }
393
354 resize_pixmap (); 394 resize_pixmap ();
355 return bgPixmap.pixmap; 395 return bgPixmap.pixmap;
356} 396}
357 397
358#endif /* XPM_BACKGROUND */ 398#endif /* XPM_BACKGROUND */

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