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Comparing rxvt-unicode/src/xpm.C (file contents):
Revision 1.3 by pcg, Tue Nov 25 11:52:42 2003 UTC vs.
Revision 1.29 by root, Wed Jan 25 21:03:04 2006 UTC

1/*--------------------------------*-C-*---------------------------------* 1/*--------------------------------*-C-*---------------------------------*
2 * File: xpm.c 2 * File: xpm.C
3 *----------------------------------------------------------------------* 3 *----------------------------------------------------------------------*
4 * $Id: xpm.C,v 1.3 2003/11/25 11:52:42 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
… …
47 * @ `+X' -> Y = X 47 * @ `+X' -> Y = X
48 * 48 *
49 * And this GEOM string is for querying current scale/position: 49 * And this GEOM string is for querying current scale/position:
50 * @ `?' 50 * @ `?'
51 */ 51 */
52/* EXTPROTO */
53int 52int
54rxvt_scale_pixmap(pR_ const char *geom) 53rxvt_term::scale_pixmap (const char *geom)
55{ 54{
56 int flags, changed = 0; 55 int flags, changed = 0;
57 int x = 0, y = 0; 56 int x = 0, y = 0;
58 unsigned int w = 0, h = 0; 57 unsigned int w = 0, h = 0;
59 unsigned int n; 58 unsigned int n;
60 char *p, *str; 59 char *p;
61 bgPixmap_t *bgpixmap = &(R->bgPixmap); 60 bgPixmap_t *bgpixmap = & (bgPixmap);
62 61
63#define MAXLEN_GEOM sizeof("[1000x1000+1000+1000]") 62#define MAXLEN_GEOM sizeof("[10000x10000+10000+10000]")
64 63
65 if (geom == NULL) 64 if (geom == NULL)
66 return 0; 65 return 0;
67 str = rxvt_malloc(MAXLEN_GEOM + 1); 66
68 if (!STRCMP(geom, "?")) { 67 char str[MAXLEN_GEOM];
68
69 if (!strcmp (geom, "?"))
70 {
69 sprintf(str, "[%dx%d+%d+%d]", /* can't presume snprintf() ! */ 71 sprintf (str, "[%dx%d+%d+%d]", /* can't presume snprintf () ! */
70 min(bgpixmap->w, 9999), min(bgpixmap->h, 9999), 72 min (bgpixmap->w, 32767), min (bgpixmap->h, 32767),
71 min(bgpixmap->x, 9999), min(bgpixmap->y, 9999)); 73 min (bgpixmap->x, 32767), min (bgpixmap->y, 32767));
72 rxvt_xterm_seq(aR_ XTerm_title, str, CHAR_ST); 74 process_xterm_seq (XTerm_title, str, CHAR_ST);
73 free(str); 75 return 0;
74 return 0;
75 } 76 }
76 77
77 if ((p = STRCHR(geom, ';')) == NULL) 78 if ((p = strchr (geom, ';')) == NULL)
78 p = STRCHR(geom, '\0'); 79 p = strchr (geom, '\0');
80
79 n = (p - geom); 81 n = (p - geom);
80 if (n <= MAXLEN_GEOM) { 82 if (n <= MAXLEN_GEOM)
81 STRNCPY(str, geom, n); 83 {
84 strncpy (str, geom, n);
82 str[n] = '\0'; 85 str[n] = '\0';
83 86
84 flags = XParseGeometry(str, &x, &y, &w, &h); 87 flags = XParseGeometry (str, &x, &y, &w, &h);
85 if (!flags) { 88
89 if (!flags)
90 {
86 flags |= WidthValue; 91 flags |= WidthValue;
87 w = 0; 92 w = 0;
88 } /* default is tile */ 93 } /* default is tile */
94
89 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
90 if (!(flags & XValue)) 130 if (!(flags & YValue))
91 x = 50; 131 {
92 if (!(flags & HeightValue)) 132 if (flags & XNegative)
93 h = w; 133 flags |= YNegative;
94 if (w && !h) { 134
95 w = (bgpixmap->w * w) / 100; 135 y = x;
96 h = bgpixmap->h; 136 }
97 } else if (h && !w) { 137
98 w = bgpixmap->w; 138 if (!(flags & WidthValue) && geom[0] != '=')
99 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 }
100 } 161 }
101 if (w > 1000)
102 w = 1000;
103 if (h > 1000)
104 h = 1000;
105 if (bgpixmap->w != (short)w) {
106 bgpixmap->w = (short)w;
107 changed++;
108 }
109 if (bgpixmap->h != (short)h) {
110 bgpixmap->h = (short)h;
111 changed++;
112 }
113 }
114 if (!(flags & YValue)) {
115 if (flags & XNegative)
116 flags |= YNegative;
117 y = x;
118 }
119 162
120 if (!(flags & WidthValue) && geom[0] != '=') {
121 x += bgpixmap->x;
122 y += bgpixmap->y;
123 } else {
124 if (flags & XNegative)
125 x += 100;
126 if (flags & YNegative)
127 y += 100;
128 }
129 MIN_IT(x, 100);
130 MIN_IT(y, 100);
131 MAX_IT(x, 0);
132 MAX_IT(y, 0);
133 if (bgpixmap->x != x) {
134 bgpixmap->x = x;
135 changed++;
136 }
137 if (bgpixmap->y != y) {
138 bgpixmap->y = y;
139 changed++;
140 }
141 }
142 free(str);
143 return changed; 163 return changed;
144} 164}
145 165
146/* EXTPROTO */
147void 166void
148rxvt_resize_pixmap(pR) 167rxvt_term::resize_pixmap ()
149{ 168{
150 XGCValues gcvalue; 169 XGCValues gcvalue;
151 GC gc; 170 GC gc;
152 unsigned int width = TermWin_TotalWidth();
153 unsigned int height = TermWin_TotalHeight();
154 171
155 if (R->TermWin.pixmap != None) 172 if (pixmap != None)
156 XFreePixmap(R->Xdisplay, R->TermWin.pixmap); 173 XFreePixmap (xdisp, pixmap);
157 174
158 if (R->bgPixmap.pixmap == None) { /* So be it: I'm not using pixmaps */ 175 if (bgPixmap.pixmap == None)
159 R->TermWin.pixmap = None; 176 { /* So be it: I'm not using pixmaps */
160 if (!(R->Options & Opt_transparent) || R->am_transparent == 0) 177 pixmap = None;
161 XSetWindowBackground(R->Xdisplay, R->TermWin.vt,
162 R->PixColors[Color_bg]);
163 return;
164 }
165 178
179 if (!OPTION (Opt_transparent) || !am_transparent)
180 XSetWindowBackground (xdisp, vt, pix_colors[Color_bg]);
181
182 return;
183 }
184
166 gcvalue.foreground = R->PixColors[Color_bg]; 185 gcvalue.foreground = pix_colors[Color_bg];
167 gc = XCreateGC(R->Xdisplay, R->TermWin.vt, GCForeground, &gcvalue); 186 gc = XCreateGC (xdisp, vt, GCForeground, &gcvalue);
168 187
169 if (R->bgPixmap.pixmap != None) { /* we have a specified pixmap */ 188 if (bgPixmap.pixmap != None)
189 { /* we have a specified pixmap */
170 unsigned int w = R->bgPixmap.w, h = R->bgPixmap.h, 190 unsigned int w = bgPixmap.w, h = bgPixmap.h,
171 x = R->bgPixmap.x, y = R->bgPixmap.y; 191 x = bgPixmap.x, y = bgPixmap.y;
172 unsigned int xpmh = R->xpmAttr.height, 192 unsigned int xpmh = xpmAttr.height,
173 xpmw = R->xpmAttr.width; 193 xpmw = xpmAttr.width;
174 194
175 /* 195 /*
176 * don't zoom pixmap too much nor expand really small pixmaps 196 * don't zoom pixmap too much nor expand really small pixmaps
177 */ 197 */
178 if (w > 1000 || h > 1000) 198 if (w > 32767 || h > 32767)
179 w = 1; 199 w = 1;
180 else if (width > (10 * xpmw) 200 else if (width > (10 * xpmw)
181 || height > (10 * xpmh)) 201 || height > (10 * xpmh))
182 w = 0; /* tile */ 202 w = 0; /* tile */
183 203
184 if (w == 0) { 204 if (!w)
205 {
185 /* basic X tiling - let the X server do it */ 206 /* basic X tiling - let the X server do it */
186 R->TermWin.pixmap = XCreatePixmap(R->Xdisplay, R->TermWin.vt, 207 pixmap = XCreatePixmap (xdisp, vt, xpmw, xpmh, depth);
187 xpmw, xpmh,
188 (unsigned int)XDEPTH);
189 XCopyArea(R->Xdisplay, R->bgPixmap.pixmap, R->TermWin.pixmap, gc,
190 0, 0, xpmw, xpmh, 0, 0);
191 } else {
192 float incr, p;
193 Pixmap tmp;
194 208
195 R->TermWin.pixmap = XCreatePixmap(R->Xdisplay, R->TermWin.vt, 209 XCopyArea (xdisp, bgPixmap.pixmap, pixmap, gc, x, y, xpmw - x, xpmh - y, 0, 0);
196 width, height, 210 XCopyArea (xdisp, bgPixmap.pixmap, pixmap, gc, x, 0, xpmw - x, y, 0, xpmh - y);
197 (unsigned int)XDEPTH); 211 XCopyArea (xdisp, bgPixmap.pixmap, pixmap, gc, 0, y, x, xpmh - y, xpmw - x, 0);
198 /* 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 /*
199 * horizontal scaling 221 * horizontal scaling
200 */ 222 */
201 rxvt_pixmap_incr(&w, &x, &incr, &p, width, xpmw); 223 rxvt_pixmap_incr (&w, &x, &incr, &p, width, xpmw);
202 224
203 tmp = XCreatePixmap(R->Xdisplay, R->TermWin.vt, 225 tmp = XCreatePixmap (xdisp, vt, width, xpmh, depth);
204 width, xpmh, (unsigned int)XDEPTH);
205 XFillRectangle(R->Xdisplay, tmp, gc, 0, 0, width, 226 XFillRectangle (xdisp, tmp, gc, 0, 0, width, xpmh);
206 xpmh);
207 227
208 for ( /*nil */ ; x < w; x++, p += incr) { 228 for ( /*nil */ ; x < w; x++, p += incr)
209 if (p >= xpmw) 229 {
210 p = 0; 230 if (p >= xpmw)
231 p = 0;
232
211 /* copy one column from the original pixmap to the tmp pixmap */ 233 /* copy one column from the original pixmap to the tmp pixmap */
212 XCopyArea(R->Xdisplay, R->bgPixmap.pixmap, tmp, gc, 234 XCopyArea (xdisp, bgPixmap.pixmap, tmp, gc, (int)p, 0, 1, xpmh, (int)x, 0);
213 (int)p, 0, 1, xpmh, (int)x, 0); 235 }
214 }
215 236
216 /* 237 /*
217 * vertical scaling 238 * vertical scaling
218 */ 239 */
219 rxvt_pixmap_incr(&h, &y, &incr, &p, height, xpmh); 240 rxvt_pixmap_incr (&h, &y, &incr, &p, height, xpmh);
220 241
221 if (y > 0) 242 if (y > 0)
222 XFillRectangle(R->Xdisplay, R->TermWin.pixmap, gc, 0, 0, width, 243 XFillRectangle (xdisp, pixmap, gc, 0, 0, width, y);
223 y); 244
224 if (h < height) 245 if (h < height)
225 XFillRectangle(R->Xdisplay, R->TermWin.pixmap, gc, 0, (int)h, 246 XFillRectangle (xdisp, pixmap, gc, 0, (int)h, width, height - h + 1);
226 width, height - h + 1); 247
227 for ( /*nil */ ; y < h; y++, p += incr) { 248 for ( /*nil */ ; y < h; y++, p += incr)
228 if (p >= xpmh) 249 {
229 p = 0; 250 if (p >= xpmh)
251 p = 0;
252
230 /* copy one row from the tmp pixmap to the main pixmap */ 253 /* copy one row from the tmp pixmap to the main pixmap */
231 XCopyArea(R->Xdisplay, tmp, R->TermWin.pixmap, gc, 254 XCopyArea (xdisp, tmp, pixmap, gc, 0, (int)p, width, 1, 0, (int)y);
232 0, (int)p, width, 1, 0, (int)y); 255 }
256
257 XFreePixmap (xdisp, tmp);
258 }
233 } 259 }
234 XFreePixmap(R->Xdisplay, tmp); 260
235 } 261 XSetWindowBackgroundPixmap (xdisp, vt, pixmap);
262
263 if (pixmap != None)
236 } 264 {
237 XSetWindowBackgroundPixmap(R->Xdisplay, R->TermWin.vt, R->TermWin.pixmap); 265 XFreePixmap (xdisp, pixmap);
266 pixmap = None;
267 }
268
238 XFreeGC(R->Xdisplay, gc); 269 XFreeGC (xdisp, gc);
239 R->am_transparent = 0; 270 am_transparent = 0;
240
241 XClearWindow(R->Xdisplay, R->TermWin.vt);
242
243 XSync(R->Xdisplay, False);
244} 271}
245 272
246/* 273/*
247 * Calculate tiling sizes and increments 274 * Calculate tiling sizes and increments
248 * At start, p == 0, incr == xpmwidthheight 275 * At start, p == 0, incr == xpmwidthheight
249 */ 276 */
250/* INTPROTO */ 277static void
251void
252rxvt_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)
253{ 279{
254 unsigned int cwh, cxy; 280 unsigned int cwh, cxy;
255 float cincr, cp; 281 float cincr, cp;
256 282
257 cp = 0; 283 cp = 0;
258 cincr = (float)xpmwidthheight; 284 cincr = (float)xpmwidthheight;
259 cxy = *xy; 285 cxy = *xy;
260 cwh = *wh; 286 cwh = *wh;
287 if (cwh == 1)
261 if (cwh == 1) { /* display one image, no horizontal/vertical scaling */ 288 { /* display one image, no horizontal/vertical scaling */
262 cincr = (float)widthheight; 289 cincr = (float)widthheight;
263 if (xpmwidthheight <= widthheight) { 290 if (xpmwidthheight <= widthheight)
291 {
264 cwh = xpmwidthheight; 292 cwh = xpmwidthheight;
265 cxy = (cxy * (widthheight - cwh)) / 100; /* beware! order */ 293 cxy = (cxy * (widthheight - cwh)) / 100; /* beware! order */
266 cwh += cxy; 294 cwh += cxy;
267 } 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;
268 cxy = 0; 305 cxy = 0;
269 cwh = widthheight; 306 cwh = widthheight;
270 } 307 }
271 } else if (cwh < 10) { /* fit WH images across/down screen */ 308 else
272 cincr *= cwh; 309 {
273 cxy = 0;
274 cwh = widthheight;
275 } else {
276 cincr *= 100.0 / cwh; 310 cincr *= 100.0 / cwh;
277 if (cwh < 100) { /* contract */ 311 if (cwh < 100)
312 { /* contract */
278 float pos; 313 float pos;
279 314
280 cwh = (cwh * widthheight) / 100; 315 cwh = (cwh * widthheight) / 100;
281 pos = (float)cxy / 100 * widthheight - (cwh / 2); 316 pos = (float)cxy / 100 * widthheight - (cwh / 2);
282 317
283 cxy = (widthheight - cwh); 318 cxy = (widthheight - cwh);
284 if (pos <= 0) 319 if (pos <= 0)
285 cxy = 0; 320 cxy = 0;
286 else if (pos < cxy) 321 else if (pos < cxy)
287 cxy = pos; 322 cxy = (int) pos;
288 cwh += cxy; 323 cwh += cxy;
289 } else { /* expand */ 324 }
290 if (cxy > 0) { /* position */ 325 else
291 float pos; 326 { /* expand */
327 if (cxy > 0)
328 { /* position */
329 float pos;
292 330
293 pos = (float)cxy / 100 * xpmwidthheight - (cincr / 2); 331 pos = (float)cxy / 100 * xpmwidthheight - (cincr / 2);
294 cp = xpmwidthheight - cincr; 332 cp = xpmwidthheight - cincr;
295 if (pos <= 0) 333 if (pos <= 0)
296 cp = 0; 334 cp = 0;
297 else if (pos < cp) 335 else if (pos < cp)
298 cp = pos; 336 cp = pos;
337 }
338 cxy = 0;
339 cwh = widthheight;
340 }
299 } 341 }
300 cxy = 0;
301 cwh = widthheight;
302 }
303 }
304 cincr /= widthheight; 342 cincr /= widthheight;
305 *wh = cwh; 343 *wh = cwh;
306 *xy = cxy; 344 *xy = cxy;
307 *incr = cincr; 345 *incr = cincr;
308 *p = cp; 346 *p = cp;
309} 347}
310 348
311/* EXTPROTO */
312Pixmap 349Pixmap
313rxvt_set_bgPixmap(pR_ const char *file) 350rxvt_term::set_bgPixmap (const char *file)
314{ 351{
315 char *f; 352 char *f;
316 353
317 assert(file != NULL); 354 assert (file != NULL);
318 355
319 if (R->bgPixmap.pixmap != None) { 356 if (bgPixmap.pixmap != None)
357 {
320 XFreePixmap(R->Xdisplay, R->bgPixmap.pixmap); 358 XFreePixmap (display->display, bgPixmap.pixmap);
321 R->bgPixmap.pixmap = None; 359 bgPixmap.pixmap = None;
322 } 360 }
361
323 XSetWindowBackground(R->Xdisplay, R->TermWin.vt, R->PixColors[Color_bg]); 362 XSetWindowBackground (display->display, vt, pix_colors[Color_bg]);
324 363
325 if (*file != '\0') { 364 if (*file != '\0')
365 {
326/* XWindowAttributes attr; */ 366 /* XWindowAttributes attr; */
327 367
328 /* 368 /*
329 * we already have the required attributes 369 * we already have the required attributes
330 */ 370 */
331/* XGetWindowAttributes(R->Xdisplay, R->TermWin.vt, &attr); */ 371 /* XGetWindowAttributes (display->display, vt, &attr); */
332 372
333 R->xpmAttr.closeness = 30000; 373 xpmAttr.closeness = 30000;
334 R->xpmAttr.colormap = XCMAP; 374 xpmAttr.colormap = cmap;
335 R->xpmAttr.visual = XVISUAL; 375 xpmAttr.visual = visual;
336 R->xpmAttr.depth = XDEPTH; 376 xpmAttr.depth = depth;
337 R->xpmAttr.valuemask = (XpmCloseness | XpmColormap | XpmVisual | 377 xpmAttr.valuemask = (XpmCloseness | XpmColormap | XpmVisual
338 XpmDepth | XpmSize | XpmReturnPixels); 378 | XpmDepth | XpmSize | XpmReturnPixels);
339 379
340 /* search environment variables here too */ 380 /* search environment variables here too */
341 f = (char *)rxvt_File_find(file, ".xpm", R->rs[Rs_path]); 381 f = (char *)rxvt_File_find (file, ".xpm", rs[Rs_path]);
342 if (f == NULL 382 if (f == NULL
343 || XpmReadFileToPixmap(R->Xdisplay, Xroot, f, 383 || XpmReadFileToPixmap (display->display, display->root, f,
344 &R->bgPixmap.pixmap, NULL, 384 &bgPixmap.pixmap, NULL,
345 &R->xpmAttr)) { 385 &xpmAttr))
346 char *p; 386 {
387 char *p;
347 388
348 /* semi-colon delimited */ 389 /* semi-colon delimited */
349 if ((p = STRCHR(file, ';')) == NULL) 390 if ((p = strchr (file, ';')) == NULL)
350 p = STRCHR(file, '\0'); 391 p = strchr (file, '\0');
351 392
352 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);
353 file); 394 }
354 } 395
355 free(f); 396 free (f);
356 } 397 }
398
357 rxvt_resize_pixmap(aR); 399 resize_pixmap ();
358 return R->bgPixmap.pixmap; 400 return bgPixmap.pixmap;
359} 401}
360 402
361#endif /* XPM_BACKGROUND */ 403#endif /* XPM_BACKGROUND */

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