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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 1.27 by root, Wed Jan 4 04:42:45 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, *str;
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("[1000x1000+1000+1000]")
64 63
65 if (geom == NULL) 64 if (geom == NULL)
66 return 0; 65 return 0;
67 str = rxvt_malloc(MAXLEN_GEOM + 1); 66 str = (char *)rxvt_malloc (MAXLEN_GEOM + 1);
68 if (!STRCMP(geom, "?")) { 67 if (!strcmp (geom, "?"))
68 {
69 sprintf(str, "[%dx%d+%d+%d]", /* can't presume snprintf() ! */ 69 sprintf (str, "[%dx%d+%d+%d]", /* can't presume snprintf () ! */
70 min(bgpixmap->w, 9999), min(bgpixmap->h, 9999), 70 min (bgpixmap->w, 9999), min (bgpixmap->h, 9999),
71 min(bgpixmap->x, 9999), min(bgpixmap->y, 9999)); 71 min (bgpixmap->x, 9999), min (bgpixmap->y, 9999));
72 rxvt_xterm_seq(aR_ XTerm_title, str, CHAR_ST); 72 process_xterm_seq (XTerm_title, str, CHAR_ST);
73 free(str); 73 free (str);
74 return 0; 74 return 0;
75 } 75 }
76 76
77 if ((p = STRCHR(geom, ';')) == NULL) 77 if ((p = strchr (geom, ';')) == NULL)
78 p = STRCHR(geom, '\0'); 78 p = strchr (geom, '\0');
79 n = (p - geom); 79 n = (p - geom);
80 if (n <= MAXLEN_GEOM) { 80 if (n <= MAXLEN_GEOM)
81 STRNCPY(str, geom, n); 81 {
82 strncpy (str, geom, n);
82 str[n] = '\0'; 83 str[n] = '\0';
83 84
84 flags = XParseGeometry(str, &x, &y, &w, &h); 85 flags = XParseGeometry (str, &x, &y, &w, &h);
85 if (!flags) { 86 if (!flags)
87 {
86 flags |= WidthValue; 88 flags |= WidthValue;
87 w = 0; 89 w = 0;
88 } /* default is tile */ 90 } /* default is tile */
89 if (flags & WidthValue) { 91 if (flags & WidthValue)
92 {
93 if (! (flags & XValue))
94 x = 50;
95 if (! (flags & HeightValue))
96 h = w;
97 if (w && !h)
98 {
99 w = (bgpixmap->w * w) / 100;
100 h = bgpixmap->h;
101 }
102 else if (h && !w)
103 {
104 w = bgpixmap->w;
105 h = (bgpixmap->h * h) / 100;
106 }
107 if (w > 1000)
108 w = 1000;
109 if (h > 1000)
110 h = 1000;
111 if (bgpixmap->w != (short)w)
112 {
113 bgpixmap->w = (short)w;
114 changed++;
115 }
116 if (bgpixmap->h != (short)h)
117 {
118 bgpixmap->h = (short)h;
119 changed++;
120 }
121 }
90 if (!(flags & XValue)) 122 if (! (flags & YValue))
91 x = 50; 123 {
92 if (!(flags & HeightValue)) 124 if (flags & XNegative)
93 h = w; 125 flags |= YNegative;
94 if (w && !h) { 126 y = x;
95 w = (bgpixmap->w * w) / 100; 127 }
96 h = bgpixmap->h; 128
97 } else if (h && !w) { 129 if (! (flags & WidthValue) && geom[0] != '=')
98 w = bgpixmap->w; 130 {
99 h = (bgpixmap->h * h) / 100; 131 x += bgpixmap->x;
132 y += bgpixmap->y;
133 }
134 else
135 {
136 if (flags & XNegative)
137 x += 100;
138 if (flags & YNegative)
139 y += 100;
140 }
141 min_it (x, 100);
142 min_it (y, 100);
143 max_it (x, 0);
144 max_it (y, 0);
145 if (bgpixmap->x != x)
146 {
147 bgpixmap->x = x;
148 changed++;
149 }
150 if (bgpixmap->y != y)
151 {
152 bgpixmap->y = y;
153 changed++;
154 }
100 } 155 }
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
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); 156 free (str);
143 return changed; 157 return changed;
144} 158}
145 159
146/* EXTPROTO */
147void 160void
148rxvt_resize_pixmap(pR) 161rxvt_term::resize_pixmap ()
149{ 162{
150 XGCValues gcvalue; 163 XGCValues gcvalue;
151 GC gc; 164 GC gc;
152 unsigned int width = TermWin_TotalWidth(); 165 dDisp;
153 unsigned int height = TermWin_TotalHeight();
154 166
155 if (R->TermWin.pixmap != None) 167 if (pixmap != None)
156 XFreePixmap(R->Xdisplay, R->TermWin.pixmap); 168 XFreePixmap (disp, pixmap);
157 169
158 if (R->bgPixmap.pixmap == None) { /* So be it: I'm not using pixmaps */ 170 if (bgPixmap.pixmap == None)
159 R->TermWin.pixmap = None; 171 { /* So be it: I'm not using pixmaps */
160 if (!(R->Options & Opt_transparent) || R->am_transparent == 0) 172 pixmap = None;
161 XSetWindowBackground(R->Xdisplay, R->TermWin.vt,
162 R->PixColors[Color_bg]);
163 return;
164 }
165 173
174 if (!OPTION (Opt_transparent) || !am_transparent)
175 XSetWindowBackground (disp, vt, pix_colors[Color_bg]);
176
177 return;
178 }
179
166 gcvalue.foreground = R->PixColors[Color_bg]; 180 gcvalue.foreground = pix_colors[Color_bg];
167 gc = XCreateGC(R->Xdisplay, R->TermWin.vt, GCForeground, &gcvalue); 181 gc = XCreateGC (disp, vt, GCForeground, &gcvalue);
168 182
169 if (R->bgPixmap.pixmap != None) { /* we have a specified pixmap */ 183 if (bgPixmap.pixmap != None)
184 { /* we have a specified pixmap */
170 unsigned int w = R->bgPixmap.w, h = R->bgPixmap.h, 185 unsigned int w = bgPixmap.w, h = bgPixmap.h,
171 x = R->bgPixmap.x, y = R->bgPixmap.y; 186 x = bgPixmap.x, y = bgPixmap.y;
172 unsigned int xpmh = R->xpmAttr.height, 187 unsigned int xpmh = xpmAttr.height,
173 xpmw = R->xpmAttr.width; 188 xpmw = xpmAttr.width;
174 189
175 /* 190 /*
176 * don't zoom pixmap too much nor expand really small pixmaps 191 * don't zoom pixmap too much nor expand really small pixmaps
177 */ 192 */
178 if (w > 1000 || h > 1000) 193 if (w > 1000 || h > 1000)
179 w = 1; 194 w = 1;
180 else if (width > (10 * xpmw) 195 else if (width > (10 * xpmw)
181 || height > (10 * xpmh)) 196 || height > (10 * xpmh))
182 w = 0; /* tile */ 197 w = 0; /* tile */
183 198
184 if (w == 0) { 199 if (w == 0)
200 {
185 /* basic X tiling - let the X server do it */ 201 /* basic X tiling - let the X server do it */
186 R->TermWin.pixmap = XCreatePixmap(R->Xdisplay, R->TermWin.vt, 202 pixmap = XCreatePixmap (disp, vt, xpmw, xpmh,
187 xpmw, xpmh, 203 (unsigned int)display->depth);
188 (unsigned int)XDEPTH);
189 XCopyArea(R->Xdisplay, R->bgPixmap.pixmap, R->TermWin.pixmap, gc, 204 XCopyArea (disp, bgPixmap.pixmap, pixmap, gc,
190 0, 0, xpmw, xpmh, 0, 0); 205 0, 0, xpmw, xpmh, 0, 0);
191 } else { 206 }
192 float incr, p; 207 else
193 Pixmap tmp; 208 {
209 float incr, p;
210 Pixmap tmp;
194 211
195 R->TermWin.pixmap = XCreatePixmap(R->Xdisplay, R->TermWin.vt, 212 pixmap = XCreatePixmap (disp, vt, width, height,
196 width, height, 213 (unsigned int)display->depth);
197 (unsigned int)XDEPTH); 214 /*
198 /*
199 * horizontal scaling 215 * horizontal scaling
200 */ 216 */
201 rxvt_pixmap_incr(&w, &x, &incr, &p, width, xpmw); 217 rxvt_pixmap_incr (&w, &x, &incr, &p, width, xpmw);
202 218
203 tmp = XCreatePixmap(R->Xdisplay, R->TermWin.vt, 219 tmp = XCreatePixmap (disp, vt, width, xpmh, (unsigned int)display->depth);
204 width, xpmh, (unsigned int)XDEPTH);
205 XFillRectangle(R->Xdisplay, tmp, gc, 0, 0, width, 220 XFillRectangle (disp, tmp, gc, 0, 0, width, xpmh);
206 xpmh);
207 221
208 for ( /*nil */ ; x < w; x++, p += incr) { 222 for ( /*nil */ ; x < w; x++, p += incr)
209 if (p >= xpmw) 223 {
210 p = 0; 224 if (p >= xpmw)
225 p = 0;
211 /* copy one column from the original pixmap to the tmp pixmap */ 226 /* copy one column from the original pixmap to the tmp pixmap */
212 XCopyArea(R->Xdisplay, R->bgPixmap.pixmap, tmp, gc, 227 XCopyArea (disp, bgPixmap.pixmap, tmp, gc,
213 (int)p, 0, 1, xpmh, (int)x, 0); 228 (int)p, 0, 1, xpmh, (int)x, 0);
214 } 229 }
215 230
216 /* 231 /*
217 * vertical scaling 232 * vertical scaling
218 */ 233 */
219 rxvt_pixmap_incr(&h, &y, &incr, &p, height, xpmh); 234 rxvt_pixmap_incr (&h, &y, &incr, &p, height, xpmh);
220 235
221 if (y > 0) 236 if (y > 0)
222 XFillRectangle(R->Xdisplay, R->TermWin.pixmap, gc, 0, 0, width, 237 XFillRectangle (disp, pixmap, gc, 0, 0, width, y);
223 y); 238
224 if (h < height) 239 if (h < height)
225 XFillRectangle(R->Xdisplay, R->TermWin.pixmap, gc, 0, (int)h, 240 XFillRectangle (disp, pixmap, gc, 0, (int)h, width, height - h + 1);
226 width, height - h + 1); 241
227 for ( /*nil */ ; y < h; y++, p += incr) { 242 for ( /*nil */ ; y < h; y++, p += incr)
228 if (p >= xpmh) 243 {
229 p = 0; 244 if (p >= xpmh)
245 p = 0;
246
230 /* copy one row from the tmp pixmap to the main pixmap */ 247 /* copy one row from the tmp pixmap to the main pixmap */
231 XCopyArea(R->Xdisplay, tmp, R->TermWin.pixmap, gc, 248 XCopyArea (disp, tmp, pixmap, gc,
232 0, (int)p, width, 1, 0, (int)y); 249 0, (int)p, width, 1, 0, (int)y);
250 }
251
252 XFreePixmap (disp, tmp);
253 }
233 } 254 }
234 XFreePixmap(R->Xdisplay, tmp); 255
235 } 256 XSetWindowBackgroundPixmap (disp, vt, pixmap);
236 }
237 XSetWindowBackgroundPixmap(R->Xdisplay, R->TermWin.vt, R->TermWin.pixmap);
238 XFreeGC(R->Xdisplay, gc); 257 XFreeGC (disp, gc);
239 R->am_transparent = 0; 258 am_transparent = 0;
240
241 XClearWindow(R->Xdisplay, R->TermWin.vt);
242
243 XSync(R->Xdisplay, False);
244} 259}
245 260
246/* 261/*
247 * Calculate tiling sizes and increments 262 * Calculate tiling sizes and increments
248 * At start, p == 0, incr == xpmwidthheight 263 * At start, p == 0, incr == xpmwidthheight
249 */ 264 */
250/* INTPROTO */ 265static void
251void
252rxvt_pixmap_incr(unsigned int *wh, unsigned int *xy, float *incr, float *p, unsigned int widthheight, unsigned int xpmwidthheight) 266rxvt_pixmap_incr (unsigned int *wh, unsigned int *xy, float *incr, float *p, unsigned int widthheight, unsigned int xpmwidthheight)
253{ 267{
254 unsigned int cwh, cxy; 268 unsigned int cwh, cxy;
255 float cincr, cp; 269 float cincr, cp;
256 270
257 cp = 0; 271 cp = 0;
258 cincr = (float)xpmwidthheight; 272 cincr = (float)xpmwidthheight;
259 cxy = *xy; 273 cxy = *xy;
260 cwh = *wh; 274 cwh = *wh;
275 if (cwh == 1)
261 if (cwh == 1) { /* display one image, no horizontal/vertical scaling */ 276 { /* display one image, no horizontal/vertical scaling */
262 cincr = (float)widthheight; 277 cincr = (float)widthheight;
263 if (xpmwidthheight <= widthheight) { 278 if (xpmwidthheight <= widthheight)
279 {
264 cwh = xpmwidthheight; 280 cwh = xpmwidthheight;
265 cxy = (cxy * (widthheight - cwh)) / 100; /* beware! order */ 281 cxy = (cxy * (widthheight - cwh)) / 100; /* beware! order */
266 cwh += cxy; 282 cwh += cxy;
267 } else { 283 }
284 else
285 {
286 cxy = 0;
287 cwh = widthheight;
288 }
289 }
290 else if (cwh < 10)
291 { /* fit WH images across/down screen */
292 cincr *= cwh;
268 cxy = 0; 293 cxy = 0;
269 cwh = widthheight; 294 cwh = widthheight;
270 } 295 }
271 } else if (cwh < 10) { /* fit WH images across/down screen */ 296 else
272 cincr *= cwh; 297 {
273 cxy = 0;
274 cwh = widthheight;
275 } else {
276 cincr *= 100.0 / cwh; 298 cincr *= 100.0 / cwh;
277 if (cwh < 100) { /* contract */ 299 if (cwh < 100)
300 { /* contract */
278 float pos; 301 float pos;
279 302
280 cwh = (cwh * widthheight) / 100; 303 cwh = (cwh * widthheight) / 100;
281 pos = (float)cxy / 100 * widthheight - (cwh / 2); 304 pos = (float)cxy / 100 * widthheight - (cwh / 2);
282 305
283 cxy = (widthheight - cwh); 306 cxy = (widthheight - cwh);
284 if (pos <= 0) 307 if (pos <= 0)
285 cxy = 0; 308 cxy = 0;
286 else if (pos < cxy) 309 else if (pos < cxy)
287 cxy = pos; 310 cxy = (int) pos;
288 cwh += cxy; 311 cwh += cxy;
289 } else { /* expand */ 312 }
290 if (cxy > 0) { /* position */ 313 else
291 float pos; 314 { /* expand */
315 if (cxy > 0)
316 { /* position */
317 float pos;
292 318
293 pos = (float)cxy / 100 * xpmwidthheight - (cincr / 2); 319 pos = (float)cxy / 100 * xpmwidthheight - (cincr / 2);
294 cp = xpmwidthheight - cincr; 320 cp = xpmwidthheight - cincr;
295 if (pos <= 0) 321 if (pos <= 0)
296 cp = 0; 322 cp = 0;
297 else if (pos < cp) 323 else if (pos < cp)
298 cp = pos; 324 cp = pos;
325 }
326 cxy = 0;
327 cwh = widthheight;
328 }
299 } 329 }
300 cxy = 0;
301 cwh = widthheight;
302 }
303 }
304 cincr /= widthheight; 330 cincr /= widthheight;
305 *wh = cwh; 331 *wh = cwh;
306 *xy = cxy; 332 *xy = cxy;
307 *incr = cincr; 333 *incr = cincr;
308 *p = cp; 334 *p = cp;
309} 335}
310 336
311/* EXTPROTO */
312Pixmap 337Pixmap
313rxvt_set_bgPixmap(pR_ const char *file) 338rxvt_term::set_bgPixmap (const char *file)
314{ 339{
315 char *f; 340 char *f;
316 341
317 assert(file != NULL); 342 assert (file != NULL);
318 343
319 if (R->bgPixmap.pixmap != None) { 344 if (bgPixmap.pixmap != None)
345 {
320 XFreePixmap(R->Xdisplay, R->bgPixmap.pixmap); 346 XFreePixmap (display->display, bgPixmap.pixmap);
321 R->bgPixmap.pixmap = None; 347 bgPixmap.pixmap = None;
322 } 348 }
349
323 XSetWindowBackground(R->Xdisplay, R->TermWin.vt, R->PixColors[Color_bg]); 350 XSetWindowBackground (display->display, vt, pix_colors[Color_bg]);
324 351
325 if (*file != '\0') { 352 if (*file != '\0')
353 {
326/* XWindowAttributes attr; */ 354 /* XWindowAttributes attr; */
327 355
328 /* 356 /*
329 * we already have the required attributes 357 * we already have the required attributes
330 */ 358 */
331/* XGetWindowAttributes(R->Xdisplay, R->TermWin.vt, &attr); */ 359 /* XGetWindowAttributes (display->display, vt, &attr); */
332 360
333 R->xpmAttr.closeness = 30000; 361 xpmAttr.closeness = 30000;
334 R->xpmAttr.colormap = XCMAP; 362 xpmAttr.colormap = display->cmap;
335 R->xpmAttr.visual = XVISUAL; 363 xpmAttr.visual = display->visual;
336 R->xpmAttr.depth = XDEPTH; 364 xpmAttr.depth = display->depth;
337 R->xpmAttr.valuemask = (XpmCloseness | XpmColormap | XpmVisual | 365 xpmAttr.valuemask = (XpmCloseness | XpmColormap | XpmVisual |
338 XpmDepth | XpmSize | XpmReturnPixels); 366 XpmDepth | XpmSize | XpmReturnPixels);
339 367
340 /* search environment variables here too */ 368 /* search environment variables here too */
341 f = (char *)rxvt_File_find(file, ".xpm", R->rs[Rs_path]); 369 f = (char *)rxvt_File_find (file, ".xpm", rs[Rs_path]);
342 if (f == NULL 370 if (f == NULL
343 || XpmReadFileToPixmap(R->Xdisplay, Xroot, f, 371 || XpmReadFileToPixmap (display->display, display->root, f,
344 &R->bgPixmap.pixmap, NULL, 372 &bgPixmap.pixmap, NULL,
345 &R->xpmAttr)) { 373 &xpmAttr))
346 char *p; 374 {
375 char *p;
347 376
348 /* semi-colon delimited */ 377 /* semi-colon delimited */
349 if ((p = STRCHR(file, ';')) == NULL) 378 if ((p = strchr (file, ';')) == NULL)
350 p = STRCHR(file, '\0'); 379 p = strchr (file, '\0');
351 380
352 rxvt_print_error("couldn't load XPM file \"%.*s\"", (p - file), 381 rxvt_warn ("couldn't load XPM file \"%.*s\", ignoring.\n", (p - file), file);
353 file); 382 }
354 } 383
355 free(f); 384 free (f);
356 } 385 }
386
357 rxvt_resize_pixmap(aR); 387 resize_pixmap ();
358 return R->bgPixmap.pixmap; 388 return bgPixmap.pixmap;
359} 389}
360 390
361#endif /* XPM_BACKGROUND */ 391#endif /* XPM_BACKGROUND */

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