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Comparing rxvt-unicode/src/xpm.C (file contents):
Revision 1.2 by pcg, Mon Nov 24 17:31:28 2003 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 1.2 2003/11/24 17:31:28 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
… …
47 * @ `+X' -> Y = X 48 * @ `+X' -> Y = X
48 * 49 *
49 * And this GEOM string is for querying current scale/position: 50 * And this GEOM string is for querying current scale/position:
50 * @ `?' 51 * @ `?'
51 */ 52 */
52/* EXTPROTO */
53int 53int
54rxvt_scale_pixmap(pR_ const char *geom) 54rxvt_term::scale_pixmap (const char *geom)
55{ 55{
56 int flags, changed = 0; 56 int flags, changed = 0;
57 int x = 0, y = 0; 57 int x = 0, y = 0;
58 unsigned int w = 0, h = 0; 58 unsigned int w = 0, h = 0;
59 unsigned int n; 59 unsigned int n;
60 char *p, *str; 60 char *p;
61 bgPixmap_t *bgpixmap = &(R->h->bgPixmap); 61 bgPixmap_t *bgpixmap = & (bgPixmap);
62 62
63#define MAXLEN_GEOM sizeof("[1000x1000+1000+1000]") 63#define MAXLEN_GEOM sizeof("[10000x10000+10000+10000]")
64 64
65 if (geom == NULL) 65 if (geom == NULL)
66 return 0; 66 return 0;
67 str = rxvt_malloc(MAXLEN_GEOM + 1); 67
68 if (!STRCMP(geom, "?")) { 68 char str[MAXLEN_GEOM];
69
70 if (!strcmp (geom, "?"))
71 {
69 sprintf(str, "[%dx%d+%d+%d]", /* can't presume snprintf() ! */ 72 sprintf (str, "[%dx%d+%d+%d]", /* can't presume snprintf () ! */
70 min(bgpixmap->w, 9999), min(bgpixmap->h, 9999), 73 min (bgpixmap->w, 32767), min (bgpixmap->h, 32767),
71 min(bgpixmap->x, 9999), min(bgpixmap->y, 9999)); 74 min (bgpixmap->x, 32767), min (bgpixmap->y, 32767));
72 rxvt_xterm_seq(aR_ XTerm_title, str, CHAR_ST); 75 process_xterm_seq (XTerm_title, str, CHAR_ST);
73 free(str); 76 return 0;
74 return 0;
75 } 77 }
76 78
77 if ((p = STRCHR(geom, ';')) == NULL) 79 if ((p = strchr (geom, ';')) == NULL)
78 p = STRCHR(geom, '\0'); 80 p = strchr (geom, '\0');
81
79 n = (p - geom); 82 n = (p - geom);
80 if (n <= MAXLEN_GEOM) { 83 if (n <= MAXLEN_GEOM)
81 STRNCPY(str, geom, n); 84 {
85 strncpy (str, geom, n);
82 str[n] = '\0'; 86 str[n] = '\0';
83 87
84 flags = XParseGeometry(str, &x, &y, &w, &h); 88 flags = XParseGeometry (str, &x, &y, &w, &h);
85 if (!flags) { 89
90 if (!flags)
91 {
86 flags |= WidthValue; 92 flags |= WidthValue;
87 w = 0; 93 w = 0;
88 } /* default is tile */ 94 } /* default is tile */
95
89 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
90 if (!(flags & XValue)) 131 if (!(flags & YValue))
91 x = 50; 132 {
92 if (!(flags & HeightValue)) 133 if (flags & XNegative)
93 h = w; 134 flags |= YNegative;
94 if (w && !h) { 135
95 w = (bgpixmap->w * w) / 100; 136 y = x;
96 h = bgpixmap->h; 137 }
97 } else if (h && !w) { 138
98 w = bgpixmap->w; 139 if (!(flags & WidthValue) && geom[0] != '=')
99 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 }
100 } 162 }
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 }
119 163
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; 164 return changed;
144} 165}
145 166
146/* EXTPROTO */
147void 167void
148rxvt_resize_pixmap(pR) 168rxvt_term::resize_pixmap ()
149{ 169{
150 XGCValues gcvalue; 170 XGCValues gcvalue;
151 GC gc; 171 GC gc;
152 unsigned int width = TermWin_TotalWidth();
153 unsigned int height = TermWin_TotalHeight();
154 172
155 if (R->TermWin.pixmap != None) 173 if (pixmap != None)
156 XFreePixmap(R->Xdisplay, R->TermWin.pixmap); 174 XFreePixmap (dpy, pixmap);
157 175
158 if (R->h->bgPixmap.pixmap == None) { /* So be it: I'm not using pixmaps */ 176 if (bgPixmap.pixmap == None)
159 R->TermWin.pixmap = None; 177 { /* So be it: I'm not using pixmaps */
160 if (!(R->Options & Opt_transparent) || R->h->am_transparent == 0) 178 pixmap = None;
161 XSetWindowBackground(R->Xdisplay, R->TermWin.vt,
162 R->PixColors[Color_bg]);
163 return;
164 }
165 179
180 if (!OPTION (Opt_transparent) || !am_transparent)
181 XSetWindowBackground (dpy, vt, pix_colors[Color_bg]);
182
183 return;
184 }
185
166 gcvalue.foreground = R->PixColors[Color_bg]; 186 gcvalue.foreground = pix_colors[Color_bg];
167 gc = XCreateGC(R->Xdisplay, R->TermWin.vt, GCForeground, &gcvalue); 187 gc = XCreateGC (dpy, vt, GCForeground, &gcvalue);
168 188
169 if (R->h->bgPixmap.pixmap != None) { /* we have a specified pixmap */ 189 if (bgPixmap.pixmap != None)
190 { /* we have a specified pixmap */
170 unsigned int w = R->h->bgPixmap.w, h = R->h->bgPixmap.h, 191 unsigned int w = bgPixmap.w, h = bgPixmap.h,
171 x = R->h->bgPixmap.x, y = R->h->bgPixmap.y; 192 x = bgPixmap.x, y = bgPixmap.y;
172 unsigned int xpmh = R->h->xpmAttr.height, 193 unsigned int xpmh = xpmAttr.height,
173 xpmw = R->h->xpmAttr.width; 194 xpmw = xpmAttr.width;
174 195
175 /* 196 /*
176 * don't zoom pixmap too much nor expand really small pixmaps 197 * don't zoom pixmap too much nor expand really small pixmaps
177 */ 198 */
178 if (w > 1000 || h > 1000) 199 if (w > 32767 || h > 32767)
179 w = 1; 200 w = 1;
180 else if (width > (10 * xpmw) 201 else if (width > (10 * xpmw)
181 || height > (10 * xpmh)) 202 || height > (10 * xpmh))
182 w = 0; /* tile */ 203 w = 0; /* tile */
183 204
184 if (w == 0) { 205 if (!w)
206 {
185 /* basic X tiling - let the X server do it */ 207 /* basic X tiling - let the X server do it */
186 R->TermWin.pixmap = XCreatePixmap(R->Xdisplay, R->TermWin.vt, 208 pixmap = XCreatePixmap (dpy, vt, xpmw, xpmh, depth);
187 xpmw, xpmh,
188 (unsigned int)XDEPTH);
189 XCopyArea(R->Xdisplay, R->h->bgPixmap.pixmap, R->TermWin.pixmap, gc,
190 0, 0, xpmw, xpmh, 0, 0);
191 } else {
192 float incr, p;
193 Pixmap tmp;
194 209
195 R->TermWin.pixmap = XCreatePixmap(R->Xdisplay, R->TermWin.vt, 210 XCopyArea (dpy, bgPixmap.pixmap, pixmap, gc, x, y, xpmw - x, xpmh - y, 0, 0);
196 width, height, 211 XCopyArea (dpy, bgPixmap.pixmap, pixmap, gc, x, 0, xpmw - x, y, 0, xpmh - y);
197 (unsigned int)XDEPTH); 212 XCopyArea (dpy, bgPixmap.pixmap, pixmap, gc, 0, y, x, xpmh - y, xpmw - x, 0);
198 /* 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 /*
199 * horizontal scaling 222 * horizontal scaling
200 */ 223 */
201 rxvt_pixmap_incr(&w, &x, &incr, &p, width, xpmw); 224 rxvt_pixmap_incr (&w, &x, &incr, &p, width, xpmw);
202 225
203 tmp = XCreatePixmap(R->Xdisplay, R->TermWin.vt, 226 tmp = XCreatePixmap (dpy, vt, width, xpmh, depth);
204 width, xpmh, (unsigned int)XDEPTH);
205 XFillRectangle(R->Xdisplay, tmp, gc, 0, 0, width, 227 XFillRectangle (dpy, tmp, gc, 0, 0, width, xpmh);
206 xpmh);
207 228
208 for ( /*nil */ ; x < w; x++, p += incr) { 229 for ( /*nil */ ; x < w; x++, p += incr)
209 if (p >= xpmw) 230 {
210 p = 0; 231 if (p >= xpmw)
232 p = 0;
233
211 /* copy one column from the original pixmap to the tmp pixmap */ 234 /* copy one column from the original pixmap to the tmp pixmap */
212 XCopyArea(R->Xdisplay, R->h->bgPixmap.pixmap, tmp, gc, 235 XCopyArea (dpy, bgPixmap.pixmap, tmp, gc, (int)p, 0, 1, xpmh, (int)x, 0);
213 (int)p, 0, 1, xpmh, (int)x, 0); 236 }
214 }
215 237
216 /* 238 /*
217 * vertical scaling 239 * vertical scaling
218 */ 240 */
219 rxvt_pixmap_incr(&h, &y, &incr, &p, height, xpmh); 241 rxvt_pixmap_incr (&h, &y, &incr, &p, height, xpmh);
220 242
221 if (y > 0) 243 if (y > 0)
222 XFillRectangle(R->Xdisplay, R->TermWin.pixmap, gc, 0, 0, width, 244 XFillRectangle (dpy, pixmap, gc, 0, 0, width, y);
223 y); 245
224 if (h < height) 246 if (h < height)
225 XFillRectangle(R->Xdisplay, R->TermWin.pixmap, gc, 0, (int)h, 247 XFillRectangle (dpy, pixmap, gc, 0, (int)h, width, height - h + 1);
226 width, height - h + 1); 248
227 for ( /*nil */ ; y < h; y++, p += incr) { 249 for ( /*nil */ ; y < h; y++, p += incr)
228 if (p >= xpmh) 250 {
229 p = 0; 251 if (p >= xpmh)
252 p = 0;
253
230 /* copy one row from the tmp pixmap to the main pixmap */ 254 /* copy one row from the tmp pixmap to the main pixmap */
231 XCopyArea(R->Xdisplay, tmp, R->TermWin.pixmap, gc, 255 XCopyArea (dpy, tmp, pixmap, gc, 0, (int)p, width, 1, 0, (int)y);
232 0, (int)p, width, 1, 0, (int)y); 256 }
257
258 XFreePixmap (dpy, tmp);
259 }
233 } 260 }
234 XFreePixmap(R->Xdisplay, tmp); 261
235 } 262 XSetWindowBackgroundPixmap (dpy, vt, pixmap);
236 } 263
237 XSetWindowBackgroundPixmap(R->Xdisplay, R->TermWin.vt, R->TermWin.pixmap);
238 XFreeGC(R->Xdisplay, gc); 264 XFreeGC (dpy, gc);
239 R->h->am_transparent = 0; 265 am_transparent = 0;
240
241 XClearWindow(R->Xdisplay, R->TermWin.vt);
242
243 XSync(R->Xdisplay, False);
244} 266}
245 267
246/* 268/*
247 * Calculate tiling sizes and increments 269 * Calculate tiling sizes and increments
248 * At start, p == 0, incr == xpmwidthheight 270 * At start, p == 0, incr == xpmwidthheight
249 */ 271 */
250/* INTPROTO */ 272static void
251void
252rxvt_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)
253{ 274{
254 unsigned int cwh, cxy; 275 unsigned int cwh, cxy;
255 float cincr, cp; 276 float cincr, cp;
256 277
257 cp = 0; 278 cp = 0;
258 cincr = (float)xpmwidthheight; 279 cincr = (float)xpmwidthheight;
259 cxy = *xy; 280 cxy = *xy;
260 cwh = *wh; 281 cwh = *wh;
282 if (cwh == 1)
261 if (cwh == 1) { /* display one image, no horizontal/vertical scaling */ 283 { /* display one image, no horizontal/vertical scaling */
262 cincr = (float)widthheight; 284 cincr = (float)widthheight;
263 if (xpmwidthheight <= widthheight) { 285 if (xpmwidthheight <= widthheight)
286 {
264 cwh = xpmwidthheight; 287 cwh = xpmwidthheight;
265 cxy = (cxy * (widthheight - cwh)) / 100; /* beware! order */ 288 cxy = (cxy * (widthheight - cwh)) / 100; /* beware! order */
266 cwh += cxy; 289 cwh += cxy;
267 } 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;
268 cxy = 0; 300 cxy = 0;
269 cwh = widthheight; 301 cwh = widthheight;
270 } 302 }
271 } else if (cwh < 10) { /* fit WH images across/down screen */ 303 else
272 cincr *= cwh; 304 {
273 cxy = 0;
274 cwh = widthheight;
275 } else {
276 cincr *= 100.0 / cwh; 305 cincr *= 100.0 / cwh;
277 if (cwh < 100) { /* contract */ 306 if (cwh < 100)
307 { /* contract */
278 float pos; 308 float pos;
279 309
280 cwh = (cwh * widthheight) / 100; 310 cwh = (cwh * widthheight) / 100;
281 pos = (float)cxy / 100 * widthheight - (cwh / 2); 311 pos = (float)cxy / 100 * widthheight - (cwh / 2);
282 312
283 cxy = (widthheight - cwh); 313 cxy = (widthheight - cwh);
284 if (pos <= 0) 314 if (pos <= 0)
285 cxy = 0; 315 cxy = 0;
286 else if (pos < cxy) 316 else if (pos < cxy)
287 cxy = pos; 317 cxy = (int) pos;
288 cwh += cxy; 318 cwh += cxy;
289 } else { /* expand */ 319 }
290 if (cxy > 0) { /* position */ 320 else
291 float pos; 321 { /* expand */
322 if (cxy > 0)
323 { /* position */
324 float pos;
292 325
293 pos = (float)cxy / 100 * xpmwidthheight - (cincr / 2); 326 pos = (float)cxy / 100 * xpmwidthheight - (cincr / 2);
294 cp = xpmwidthheight - cincr; 327 cp = xpmwidthheight - cincr;
295 if (pos <= 0) 328 if (pos <= 0)
296 cp = 0; 329 cp = 0;
297 else if (pos < cp) 330 else if (pos < cp)
298 cp = pos; 331 cp = pos;
332 }
333 cxy = 0;
334 cwh = widthheight;
335 }
299 } 336 }
300 cxy = 0;
301 cwh = widthheight;
302 }
303 }
304 cincr /= widthheight; 337 cincr /= widthheight;
305 *wh = cwh; 338 *wh = cwh;
306 *xy = cxy; 339 *xy = cxy;
307 *incr = cincr; 340 *incr = cincr;
308 *p = cp; 341 *p = cp;
309} 342}
310 343
311/* EXTPROTO */
312Pixmap 344Pixmap
313rxvt_set_bgPixmap(pR_ const char *file) 345rxvt_term::set_bgPixmap (const char *file)
314{ 346{
315 char *f; 347 char *f;
316 348
317 assert(file != NULL); 349 assert (file != NULL);
318 350
319 if (R->h->bgPixmap.pixmap != None) { 351 if (bgPixmap.pixmap != None)
320 XFreePixmap(R->Xdisplay, R->h->bgPixmap.pixmap);
321 R->h->bgPixmap.pixmap = None;
322 } 352 {
353 XFreePixmap (dpy, bgPixmap.pixmap);
354 bgPixmap.pixmap = None;
355 }
356
323 XSetWindowBackground(R->Xdisplay, R->TermWin.vt, R->PixColors[Color_bg]); 357 XSetWindowBackground (dpy, vt, pix_colors[Color_bg]);
324 358
325 if (*file != '\0') { 359 if (*file != '\0')
360 {
326/* XWindowAttributes attr; */ 361 /* XWindowAttributes attr; */
327 362
328 /* 363 /*
329 * we already have the required attributes 364 * we already have the required attributes
330 */ 365 */
331/* XGetWindowAttributes(R->Xdisplay, R->TermWin.vt, &attr); */ 366 /* XGetWindowAttributes (dpy, vt, &attr); */
332 367
333 R->h->xpmAttr.closeness = 30000; 368 xpmAttr.closeness = 30000;
334 R->h->xpmAttr.colormap = XCMAP; 369 xpmAttr.colormap = cmap;
335 R->h->xpmAttr.visual = XVISUAL; 370 xpmAttr.visual = visual;
336 R->h->xpmAttr.depth = XDEPTH; 371 xpmAttr.depth = depth;
337 R->h->xpmAttr.valuemask = (XpmCloseness | XpmColormap | XpmVisual | 372 xpmAttr.valuemask = (XpmCloseness | XpmColormap | XpmVisual
338 XpmDepth | XpmSize | XpmReturnPixels); 373 | XpmDepth | XpmSize | XpmReturnPixels);
339 374
340 /* search environment variables here too */ 375 /* search environment variables here too */
341 f = (char *)rxvt_File_find(file, ".xpm", R->h->rs[Rs_path]); 376 f = (char *)rxvt_File_find (file, ".xpm", rs[Rs_path]);
342 if (f == NULL 377 if (f == NULL
343 || XpmReadFileToPixmap(R->Xdisplay, Xroot, f, 378 || XpmReadFileToPixmap (dpy, display->root, f,
344 &R->h->bgPixmap.pixmap, NULL, 379 &bgPixmap.pixmap, NULL,
345 &R->h->xpmAttr)) { 380 &xpmAttr))
346 char *p; 381 {
382 char *p;
347 383
348 /* semi-colon delimited */ 384 /* semi-colon delimited */
349 if ((p = STRCHR(file, ';')) == NULL) 385 if ((p = strchr (file, ';')) == NULL)
350 p = STRCHR(file, '\0'); 386 p = strchr (file, '\0');
351 387
352 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);
353 file); 389 }
354 } 390
355 free(f); 391 free (f);
356 } 392 }
393
357 rxvt_resize_pixmap(aR); 394 resize_pixmap ();
358 return R->h->bgPixmap.pixmap; 395 return bgPixmap.pixmap;
359} 396}
360 397
361#endif /* XPM_BACKGROUND */ 398#endif /* XPM_BACKGROUND */

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