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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 1.43 by ayin, Sat Jun 30 23:31:29 2007 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
88 if (strcmp(str, "auto") == 0)
89 {
90 if (!bgpixmap->auto_resize)
91 changed++;
92 bgpixmap->auto_resize = True ;
93 w = szHint.width ;
94 h = szHint.height ;
95 flags = WidthValue|HeightValue ;
96 }
97 else
98 {
99 bgpixmap->auto_resize = False ;
84 flags = XParseGeometry(str, &x, &y, &w, &h); 100 flags = XParseGeometry (str, &x, &y, &w, &h);
85 if (!flags) { 101 }
102
103 if (!flags)
104 {
86 flags |= WidthValue; 105 flags |= WidthValue;
87 w = 0; 106 w = 0;
88 } /* default is tile */ 107 } /* default is tile */
108
89 if (flags & WidthValue) { 109 if (flags & WidthValue)
110 {
111 if (!(flags & XValue))
112 x = 50;
113
114 if (!(flags & HeightValue))
115 h = w;
116
117 if (w && !h)
118 {
119 w = (bgpixmap->w * w) / 100;
120 h = bgpixmap->h;
121 }
122 else if (h && !w)
123 {
124 w = bgpixmap->w;
125 h = (bgpixmap->h * h) / 100;
126 }
127
128 min_it (w, 32767);
129 min_it (h, 32767);
130
131 if (bgpixmap->w != (short)w)
132 {
133 bgpixmap->w = (short)w;
134 changed++;
135 }
136
137 if (bgpixmap->h != (short)h)
138 {
139 bgpixmap->h = (short)h;
140 changed++;
141 }
142 }
143
90 if (!(flags & XValue)) 144 if (!(flags & YValue))
91 x = 50; 145 {
92 if (!(flags & HeightValue)) 146 if (flags & XNegative)
93 h = w; 147 flags |= YNegative;
94 if (w && !h) { 148
95 w = (bgpixmap->w * w) / 100; 149 y = x;
96 h = bgpixmap->h; 150 }
97 } else if (h && !w) { 151
98 w = bgpixmap->w; 152 if (!(flags & WidthValue) && geom[0] != '=')
99 h = (bgpixmap->h * h) / 100; 153 {
154 x += bgpixmap->x;
155 y += bgpixmap->y;
156 }
157
158 if (xpmAttr.width && xpmAttr.height)
159 {
160 x = MOD(x, xpmAttr.width);
161 y = MOD(y, xpmAttr.height);
162 }
163
164 if (bgpixmap->x != x)
165 {
166 bgpixmap->x = x;
167 changed++;
168 }
169
170 if (bgpixmap->y != y)
171 {
172 bgpixmap->y = y;
173 changed++;
174 }
100 } 175 }
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 }
119 176
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; 177 return changed;
144} 178}
145 179
146/* EXTPROTO */
147void 180void
148rxvt_resize_pixmap(pR) 181rxvt_term::resize_pixmap ()
149{ 182{
150 XGCValues gcvalue; 183 XGCValues gcvalue;
151 GC gc; 184 GC gc;
152 unsigned int width = TermWin_TotalWidth();
153 unsigned int height = TermWin_TotalHeight();
154 185
155 if (R->TermWin.pixmap != None) 186 if (pixmap != None)
156 XFreePixmap(R->Xdisplay, R->TermWin.pixmap);
157
158 if (R->h->bgPixmap.pixmap == None) { /* So be it: I'm not using pixmaps */
159 R->TermWin.pixmap = None;
160 if (!(R->Options & Opt_transparent) || R->h->am_transparent == 0)
161 XSetWindowBackground(R->Xdisplay, R->TermWin.vt,
162 R->PixColors[Color_bg]);
163 return;
164 } 187 {
188 XFreePixmap (dpy, pixmap);
189 pixmap = None ;
190 }
165 191
192 if (bgPixmap.pixmap == None)
193 { /* So be it: I'm not using pixmaps */
194 pixmap = None;
195
196#ifdef ENABLE_TRANSPARENCY
197 if (!option (Opt_transparent) || !am_transparent)
198#endif
199 XSetWindowBackground (dpy, vt, pix_colors[Color_bg]);
200
201 return;
202 }
203
166 gcvalue.foreground = R->PixColors[Color_bg]; 204 gcvalue.foreground = pix_colors[Color_bg];
167 gc = XCreateGC(R->Xdisplay, R->TermWin.vt, GCForeground, &gcvalue); 205 gc = XCreateGC (dpy, vt, GCForeground, &gcvalue);
168 206
169 if (R->h->bgPixmap.pixmap != None) { /* we have a specified pixmap */ 207 if (bgPixmap.pixmap != None)
208 { /* we have a specified pixmap */
170 unsigned int w = R->h->bgPixmap.w, h = R->h->bgPixmap.h, 209 unsigned int w = bgPixmap.w, h = bgPixmap.h,
171 x = R->h->bgPixmap.x, y = R->h->bgPixmap.y; 210 x = bgPixmap.x, y = bgPixmap.y;
172 unsigned int xpmh = R->h->xpmAttr.height, 211 unsigned int xpmh = xpmAttr.height,
173 xpmw = R->h->xpmAttr.width; 212 xpmw = xpmAttr.width;
174 213
175 /* 214 if (bgPixmap.auto_resize)
215 {
216 w = szHint.width ;
217 h = szHint.height ;
218 }
219 /*
176 * don't zoom pixmap too much nor expand really small pixmaps 220 * don't zoom pixmap too much nor expand really small pixmaps
177 */ 221 */
178 if (w > 1000 || h > 1000) 222 if (w > 32767 || h > 32767)
179 w = 1; 223 w = 1;
180 else if (width > (10 * xpmw) 224 else if (width > (10 * xpmw)
181 || height > (10 * xpmh)) 225 || height > (10 * xpmh))
182 w = 0; /* tile */ 226 w = 0; /* tile */
183 227
184 if (w == 0) { 228 if (!w)
229 {
185 /* basic X tiling - let the X server do it */ 230 /* basic X tiling - let the X server do it */
186 R->TermWin.pixmap = XCreatePixmap(R->Xdisplay, R->TermWin.vt, 231 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;
194 232
195 R->TermWin.pixmap = XCreatePixmap(R->Xdisplay, R->TermWin.vt, 233 XCopyArea (dpy, bgPixmap.pixmap, pixmap, gc, x, y, xpmw - x, xpmh - y, 0, 0);
196 width, height, 234 XCopyArea (dpy, bgPixmap.pixmap, pixmap, gc, x, 0, xpmw - x, y, 0, xpmh - y);
197 (unsigned int)XDEPTH); 235 XCopyArea (dpy, bgPixmap.pixmap, pixmap, gc, 0, y, x, xpmh - y, xpmw - x, 0);
198 /* 236 XCopyArea (dpy, bgPixmap.pixmap, pixmap, gc, 0, 0, x, y, xpmw - x, xpmh - y);
237 }
238 else
239#ifdef HAVE_AFTERIMAGE
240#ifdef ENABLE_TRANSPARENCY
241 if (!option(Opt_transparent) || !am_transparent)
242 /* will do that in check_our_parents otherwise */
243#endif
244 {
245 ASImage *scaled_im = scale_asimage( display->asv, original_asim, w, h, ASA_XImage, 0, ASIMAGE_QUALITY_DEFAULT );
246 if (scaled_im)
247 {
248 pixmap = asimage2pixmap( display->asv, display->root, scaled_im, gc, True );
249 destroy_asimage( &scaled_im );
250 }
251 }
252#else /* HAVE_AFTERIMAGE */
253 {
254 float incr, p;
255 Pixmap tmp;
256
257 pixmap = XCreatePixmap (dpy, vt, width, height, depth);
258 /*
199 * horizontal scaling 259 * horizontal scaling
200 */ 260 */
201 rxvt_pixmap_incr(&w, &x, &incr, &p, width, xpmw); 261 rxvt_pixmap_incr (&w, &x, &incr, &p, width, xpmw);
202 262
203 tmp = XCreatePixmap(R->Xdisplay, R->TermWin.vt, 263 tmp = XCreatePixmap (dpy, vt, width, xpmh, depth);
204 width, xpmh, (unsigned int)XDEPTH);
205 XFillRectangle(R->Xdisplay, tmp, gc, 0, 0, width, 264 XFillRectangle (dpy, tmp, gc, 0, 0, width, xpmh);
206 xpmh);
207 265
208 for ( /*nil */ ; x < w; x++, p += incr) { 266 for ( /*nil */ ; x < w; x++, p += incr)
209 if (p >= xpmw) 267 {
210 p = 0; 268 if (p >= xpmw)
269 p = 0;
270
211 /* copy one column from the original pixmap to the tmp pixmap */ 271 /* copy one column from the original pixmap to the tmp pixmap */
212 XCopyArea(R->Xdisplay, R->h->bgPixmap.pixmap, tmp, gc, 272 XCopyArea (dpy, bgPixmap.pixmap, tmp, gc, (int)p, 0, 1, xpmh, (int)x, 0);
213 (int)p, 0, 1, xpmh, (int)x, 0); 273 }
214 }
215 274
216 /* 275 /*
217 * vertical scaling 276 * vertical scaling
218 */ 277 */
219 rxvt_pixmap_incr(&h, &y, &incr, &p, height, xpmh); 278 rxvt_pixmap_incr (&h, &y, &incr, &p, height, xpmh);
220 279
221 if (y > 0) 280 if (y > 0)
222 XFillRectangle(R->Xdisplay, R->TermWin.pixmap, gc, 0, 0, width, 281 XFillRectangle (dpy, pixmap, gc, 0, 0, width, y);
223 y); 282
224 if (h < height) 283 if (h < height)
225 XFillRectangle(R->Xdisplay, R->TermWin.pixmap, gc, 0, (int)h, 284 XFillRectangle (dpy, pixmap, gc, 0, (int)h, width, height - h + 1);
226 width, height - h + 1); 285
227 for ( /*nil */ ; y < h; y++, p += incr) { 286 for ( /*nil */ ; y < h; y++, p += incr)
228 if (p >= xpmh) 287 {
229 p = 0; 288 if (p >= xpmh)
289 p = 0;
290
230 /* copy one row from the tmp pixmap to the main pixmap */ 291 /* copy one row from the tmp pixmap to the main pixmap */
231 XCopyArea(R->Xdisplay, tmp, R->TermWin.pixmap, gc, 292 XCopyArea (dpy, tmp, pixmap, gc, 0, (int)p, width, 1, 0, (int)y);
232 0, (int)p, width, 1, 0, (int)y); 293 }
294
295 XFreePixmap (dpy, tmp);
296 }
297#endif /* HAVE_AFTERIMAGE */
233 } 298 }
234 XFreePixmap(R->Xdisplay, tmp); 299
235 } 300 XSetWindowBackgroundPixmap (dpy, vt, pixmap);
236 } 301
237 XSetWindowBackgroundPixmap(R->Xdisplay, R->TermWin.vt, R->TermWin.pixmap);
238 XFreeGC(R->Xdisplay, gc); 302 XFreeGC (dpy, gc);
303#ifdef ENABLE_TRANSPARENCY
239 R->h->am_transparent = 0; 304 am_transparent = 0;
240 305#endif
241 XClearWindow(R->Xdisplay, R->TermWin.vt);
242
243 XSync(R->Xdisplay, False);
244} 306}
245 307
246/* 308/*
247 * Calculate tiling sizes and increments 309 * Calculate tiling sizes and increments
248 * At start, p == 0, incr == xpmwidthheight 310 * At start, p == 0, incr == xpmwidthheight
249 */ 311 */
250/* INTPROTO */ 312static void
313rxvt_pixmap_incr (unsigned int *wh, unsigned int *xy, float *incr, float *p, unsigned int widthheight, unsigned int xpmwidthheight)
314{
315 unsigned int cwh, cxy;
316 float cincr, cp;
317
318 cp = 0;
319 cincr = (float)xpmwidthheight;
320 cxy = *xy;
321 cwh = *wh;
322 if (cwh == 1)
323 { /* display one image, no horizontal/vertical scaling */
324 cincr = (float)widthheight;
325 if (xpmwidthheight <= widthheight)
326 {
327 cwh = xpmwidthheight;
328 cxy = (cxy * (widthheight - cwh)) / 100; /* beware! order */
329 cwh += cxy;
330 }
331 else
332 {
333 cxy = 0;
334 cwh = widthheight;
335 }
336 }
337 else if (cwh < 10)
338 { /* fit WH images across/down screen */
339 cincr *= cwh;
340 cxy = 0;
341 cwh = widthheight;
342 }
343 else
344 {
345 cincr *= 100.0 / cwh;
346 if (cwh < 100)
347 { /* contract */
348 float pos;
349
350 cwh = (cwh * widthheight) / 100;
351 pos = (float)cxy / 100 * widthheight - (cwh / 2);
352
353 cxy = (widthheight - cwh);
354 if (pos <= 0)
355 cxy = 0;
356 else if (pos < cxy)
357 cxy = (int) pos;
358 cwh += cxy;
359 }
360 else
361 { /* expand */
362 if (cxy > 0)
363 { /* position */
364 float pos;
365
366 pos = (float)cxy / 100 * xpmwidthheight - (cincr / 2);
367 cp = xpmwidthheight - cincr;
368 if (pos <= 0)
369 cp = 0;
370 else if (pos < cp)
371 cp = pos;
372 }
373 cxy = 0;
374 cwh = widthheight;
375 }
376 }
377 cincr /= widthheight;
378 *wh = cwh;
379 *xy = cxy;
380 *incr = cincr;
381 *p = cp;
382}
383
384Pixmap
385rxvt_term::set_bgPixmap (const char *file)
386{
387 char *f;
388
389 assert (file != NULL);
390
391 if (bgPixmap.pixmap != None)
392 {
393 XFreePixmap (dpy, bgPixmap.pixmap);
394 bgPixmap.pixmap = None;
395 }
396
397 XSetWindowBackground (dpy, vt, pix_colors[Color_bg]);
398
399 if (*file != '\0')
400 {
401 /* XWindowAttributes attr; */
402
403 /*
404 * we already have the required attributes
405 */
406 /* XGetWindowAttributes (dpy, vt, &attr); */
407
408#ifdef HAVE_AFTERIMAGE
409 if (asimman == NULL)
410 asimman = create_generic_imageman(rs[Rs_path]);
411 if ((f = strchr (file, ';')) == NULL)
412 original_asim = get_asimage( asimman, file, 0xFFFFFFFF, 100 );
413 else
414 {
415 size_t len = f - file;
416 f = (char *)malloc (len + 1);
417 strncpy (f, file, len);
418 f[len] = '\0';
419 original_asim = get_asimage( asimman, f, 0xFFFFFFFF, 100 );
420 free( f );
421 }
422 if (original_asim)
423 {
424 bgPixmap.pixmap = asimage2pixmap( display->asv, display->root, original_asim, NULL, True );
425 xpmAttr.width = original_asim->width ;
426 xpmAttr.height = original_asim->height ;
427 }
428#else /* HAVE_AFTERIMAGE */
429 xpmAttr.closeness = 30000;
430 xpmAttr.colormap = cmap;
431 xpmAttr.visual = visual;
432 xpmAttr.depth = depth;
433 xpmAttr.valuemask = (XpmCloseness | XpmColormap | XpmVisual
434 | XpmDepth | XpmSize | XpmReturnPixels);
435
436 /* search environment variables here too */
437 f = (char *)rxvt_File_find (file, ".xpm", rs[Rs_path]);
438 if (f == NULL
439 || XpmReadFileToPixmap (dpy, display->root, f,
440 &bgPixmap.pixmap, NULL,
441 &xpmAttr))
442 {
443 char *p;
444
445 /* semi-colon delimited */
446 if ((p = strchr (file, ';')) == NULL)
447 p = strchr (file, '\0');
448
449 rxvt_warn ("couldn't load XPM file \"%.*s\", ignoring.\n", (p - file), file);
450 }
451 free (f);
452#endif /* HAVE_AFTERIMAGE */
453 }
454
455 resize_pixmap ();
456 return bgPixmap.pixmap;
457}
458
459#endif /* XPM_BACKGROUND */
460
461#ifdef ENABLE_TRANSPARENCY
462#if TINTING && !defined(HAVE_AFTERIMAGE)
463/* taken from aterm-0.4.2 */
464
465typedef uint32_t RUINT32T;
466
467static void
468ShadeXImage(rxvt_term *term, XImage* srcImage, int shade, int rm, int gm, int bm)
469{
470 int sh_r, sh_g, sh_b;
471 RUINT32T mask_r, mask_g, mask_b;
472 RUINT32T *lookup, *lookup_r, *lookup_g, *lookup_b;
473 unsigned int lower_lim_r, lower_lim_g, lower_lim_b;
474 unsigned int upper_lim_r, upper_lim_g, upper_lim_b;
475 int i;
476
477 Visual *visual = term->visual;
478
479 if( visual->c_class != TrueColor || srcImage->format != ZPixmap ) return ;
480
481 /* for convenience */
482 mask_r = visual->red_mask;
483 mask_g = visual->green_mask;
484 mask_b = visual->blue_mask;
485
486 /* boring lookup table pre-initialization */
487 switch (srcImage->bits_per_pixel) {
488 case 15:
489 if ((mask_r != 0x7c00) ||
490 (mask_g != 0x03e0) ||
491 (mask_b != 0x001f))
492 return;
493 lookup = (RUINT32T *) malloc (sizeof (RUINT32T)*(32+32+32));
494 lookup_r = lookup;
495 lookup_g = lookup+32;
496 lookup_b = lookup+32+32;
497 sh_r = 10;
498 sh_g = 5;
499 sh_b = 0;
500 break;
501 case 16:
502 if ((mask_r != 0xf800) ||
503 (mask_g != 0x07e0) ||
504 (mask_b != 0x001f))
505 return;
506 lookup = (RUINT32T *) malloc (sizeof (RUINT32T)*(32+64+32));
507 lookup_r = lookup;
508 lookup_g = lookup+32;
509 lookup_b = lookup+32+64;
510 sh_r = 11;
511 sh_g = 5;
512 sh_b = 0;
513 break;
514 case 24:
515 if ((mask_r != 0xff0000) ||
516 (mask_g != 0x00ff00) ||
517 (mask_b != 0x0000ff))
518 return;
519 lookup = (RUINT32T *) malloc (sizeof (RUINT32T)*(256+256+256));
520 lookup_r = lookup;
521 lookup_g = lookup+256;
522 lookup_b = lookup+256+256;
523 sh_r = 16;
524 sh_g = 8;
525 sh_b = 0;
526 break;
527 case 32:
528 if ((mask_r != 0xff0000) ||
529 (mask_g != 0x00ff00) ||
530 (mask_b != 0x0000ff))
531 return;
532 lookup = (RUINT32T *) malloc (sizeof (RUINT32T)*(256+256+256));
533 lookup_r = lookup;
534 lookup_g = lookup+256;
535 lookup_b = lookup+256+256;
536 sh_r = 16;
537 sh_g = 8;
538 sh_b = 0;
539 break;
540 default:
541 return; /* we do not support this color depth */
542 }
543
544 /* prepare limits for color transformation (each channel is handled separately) */
545 if (shade < 0) {
546 shade = -shade;
547 if (shade < 0) shade = 0;
548 if (shade > 100) shade = 100;
549
550 lower_lim_r = 65535-rm;
551 lower_lim_g = 65535-gm;
552 lower_lim_b = 65535-bm;
553
554 lower_lim_r = 65535-(unsigned int)(((RUINT32T)lower_lim_r)*((RUINT32T)shade)/100);
555 lower_lim_g = 65535-(unsigned int)(((RUINT32T)lower_lim_g)*((RUINT32T)shade)/100);
556 lower_lim_b = 65535-(unsigned int)(((RUINT32T)lower_lim_b)*((RUINT32T)shade)/100);
557
558 upper_lim_r = upper_lim_g = upper_lim_b = 65535;
559 } else {
560 if (shade < 0) shade = 0;
561 if (shade > 100) shade = 100;
562
563 lower_lim_r = lower_lim_g = lower_lim_b = 0;
564
565 upper_lim_r = (unsigned int)((((RUINT32T)rm)*((RUINT32T)shade))/100);
566 upper_lim_g = (unsigned int)((((RUINT32T)gm)*((RUINT32T)shade))/100);
567 upper_lim_b = (unsigned int)((((RUINT32T)bm)*((RUINT32T)shade))/100);
568 }
569
570 /* switch red and blue bytes if necessary, we need it for some weird XServers like XFree86 3.3.3.1 */
571 if ((srcImage->bits_per_pixel == 24) && (mask_r >= 0xFF0000 ))
572 {
573 unsigned int tmp;
574
575 tmp = lower_lim_r;
576 lower_lim_r = lower_lim_b;
577 lower_lim_b = tmp;
578
579 tmp = upper_lim_r;
580 upper_lim_r = upper_lim_b;
581 upper_lim_b = tmp;
582 }
583
584 /* fill our lookup tables */
585 for (i = 0; i <= mask_r>>sh_r; i++)
586 {
587 RUINT32T tmp;
588 tmp = ((RUINT32T)i)*((RUINT32T)(upper_lim_r-lower_lim_r));
589 tmp += ((RUINT32T)(mask_r>>sh_r))*((RUINT32T)lower_lim_r);
590 lookup_r[i] = (tmp/65535)<<sh_r;
591 }
592 for (i = 0; i <= mask_g>>sh_g; i++)
593 {
594 RUINT32T tmp;
595 tmp = ((RUINT32T)i)*((RUINT32T)(upper_lim_g-lower_lim_g));
596 tmp += ((RUINT32T)(mask_g>>sh_g))*((RUINT32T)lower_lim_g);
597 lookup_g[i] = (tmp/65535)<<sh_g;
598 }
599 for (i = 0; i <= mask_b>>sh_b; i++)
600 {
601 RUINT32T tmp;
602 tmp = ((RUINT32T)i)*((RUINT32T)(upper_lim_b-lower_lim_b));
603 tmp += ((RUINT32T)(mask_b>>sh_b))*((RUINT32T)lower_lim_b);
604 lookup_b[i] = (tmp/65535)<<sh_b;
605 }
606
607 /* apply table to input image (replacing colors by newly calculated ones) */
608 switch (srcImage->bits_per_pixel)
609 {
610 case 15:
611 {
612 unsigned short *p1, *pf, *p, *pl;
613 p1 = (unsigned short *) srcImage->data;
614 pf = (unsigned short *) (srcImage->data + srcImage->height * srcImage->bytes_per_line);
615 while (p1 < pf)
616 {
617 p = p1;
618 pl = p1 + srcImage->width;
619 for (; p < pl; p++)
620 {
621 *p = lookup_r[(*p & 0x7c00)>>10] |
622 lookup_g[(*p & 0x03e0)>> 5] |
623 lookup_b[(*p & 0x001f)];
624 }
625 p1 = (unsigned short *) ((char *) p1 + srcImage->bytes_per_line);
626 }
627 break;
628 }
629 case 16:
630 {
631 unsigned short *p1, *pf, *p, *pl;
632 p1 = (unsigned short *) srcImage->data;
633 pf = (unsigned short *) (srcImage->data + srcImage->height * srcImage->bytes_per_line);
634 while (p1 < pf)
635 {
636 p = p1;
637 pl = p1 + srcImage->width;
638 for (; p < pl; p++)
639 {
640 *p = lookup_r[(*p & 0xf800)>>11] |
641 lookup_g[(*p & 0x07e0)>> 5] |
642 lookup_b[(*p & 0x001f)];
643 }
644 p1 = (unsigned short *) ((char *) p1 + srcImage->bytes_per_line);
645 }
646 break;
647 }
648 case 24:
649 {
650 unsigned char *p1, *pf, *p, *pl;
651 p1 = (unsigned char *) srcImage->data;
652 pf = (unsigned char *) (srcImage->data + srcImage->height * srcImage->bytes_per_line);
653 while (p1 < pf)
654 {
655 p = p1;
656 pl = p1 + srcImage->width * 3;
657 for (; p < pl; p += 3)
658 {
659 p[0] = lookup_r[(p[0] & 0xff0000)>>16];
660 p[1] = lookup_r[(p[1] & 0x00ff00)>> 8];
661 p[2] = lookup_r[(p[2] & 0x0000ff)];
662 }
663 p1 = (unsigned char *) ((char *) p1 + srcImage->bytes_per_line);
664 }
665 break;
666 }
667 case 32:
668 {
669 RUINT32T *p1, *pf, *p, *pl;
670 p1 = (RUINT32T *) srcImage->data;
671 pf = (RUINT32T *) (srcImage->data + srcImage->height * srcImage->bytes_per_line);
672
673 while (p1 < pf)
674 {
675 p = p1;
676 pl = p1 + srcImage->width;
677 for (; p < pl; p++)
678 {
679 *p = lookup_r[(*p & 0xff0000)>>16] |
680 lookup_g[(*p & 0x00ff00)>> 8] |
681 lookup_b[(*p & 0x0000ff)] |
682 (*p & ~0xffffff);
683 }
684 p1 = (RUINT32T *) ((char *) p1 + srcImage->bytes_per_line);
685 }
686 break;
687 }
688 }
689
690 free (lookup);
691}
692#endif
693
694/*
695 * Check our parents are still who we think they are.
696 * Do transparency updates if required
697 */
698int
699rxvt_term::check_our_parents ()
700{
701 check_our_parents_ev.stop ();
702 check_our_parents_ev.start (NOW + .1);
703 return 0;
704}
705
251void 706void
252rxvt_pixmap_incr(unsigned int *wh, unsigned int *xy, float *incr, float *p, unsigned int widthheight, unsigned int xpmwidthheight) 707rxvt_term::check_our_parents_cb (time_watcher &w)
253{ 708{
254 unsigned int cwh, cxy; 709 int i, pchanged, aformat, have_pixmap, rootdepth;
255 float cincr, cp; 710 unsigned long nitems, bytes_after;
711 Atom atype;
712 unsigned char *prop = NULL;
713 Window root, oldp, *list;
714 Pixmap rootpixmap = None;
715 XWindowAttributes wattr, wrootattr;
716 int sx, sy;
717 Window cr;
256 718
257 cp = 0; 719 pchanged = 0;
258 cincr = (float)xpmwidthheight;
259 cxy = *xy;
260 cwh = *wh;
261 if (cwh == 1) { /* display one image, no horizontal/vertical scaling */
262 cincr = (float)widthheight;
263 if (xpmwidthheight <= widthheight) {
264 cwh = xpmwidthheight;
265 cxy = (cxy * (widthheight - cwh)) / 100; /* beware! order */
266 cwh += cxy;
267 } else {
268 cxy = 0;
269 cwh = widthheight;
270 }
271 } else if (cwh < 10) { /* fit WH images across/down screen */
272 cincr *= cwh;
273 cxy = 0;
274 cwh = widthheight;
275 } else {
276 cincr *= 100.0 / cwh;
277 if (cwh < 100) { /* contract */
278 float pos;
279 720
280 cwh = (cwh * widthheight) / 100; 721 if (!option (Opt_transparent))
281 pos = (float)cxy / 100 * widthheight - (cwh / 2); 722 return /*pchanged*/; /* Don't try any more */
282 723
283 cxy = (widthheight - cwh); 724 XGetWindowAttributes (dpy, display->root, &wrootattr);
284 if (pos <= 0) 725 rootdepth = wrootattr.depth;
285 cxy = 0;
286 else if (pos < cxy)
287 cxy = pos;
288 cwh += cxy;
289 } else { /* expand */
290 if (cxy > 0) { /* position */
291 float pos;
292 726
293 pos = (float)cxy / 100 * xpmwidthheight - (cincr / 2); 727 XGetWindowAttributes (dpy, parent[0], &wattr);
294 cp = xpmwidthheight - cincr; 728
295 if (pos <= 0) 729 if (rootdepth != wattr.depth)
296 cp = 0; 730 {
297 else if (pos < cp) 731 if (am_transparent)
298 cp = pos; 732 {
733 pchanged = 1;
734 XSetWindowBackground (dpy, vt, pix_colors_focused[Color_bg]);
735 am_transparent = am_pixmap_trans = 0;
736 }
737
738 return /*pchanged*/; /* Don't try any more */
299 } 739 }
300 cxy = 0; 740
301 cwh = widthheight; 741 /* Get all X ops out of the queue so that our information is up-to-date. */
302 } 742 XSync (dpy, False);
743
744 XTranslateCoordinates (dpy, parent[0], display->root,
745 0, 0, &sx, &sy, &cr);
746
747 /* check if we are outside of the visible part of the virtual screen : */
748 if( sx + (int)szHint.width <= 0 || sy + (int)szHint.height <= 0
749 || sx >= wrootattr.width || sy >= wrootattr.height )
750 return /* 0 */ ;
751 /*
752 * Make the frame window set by the window manager have
753 * the root background. Some window managers put multiple nested frame
754 * windows for each client, so we have to take care about that.
755 */
756 i = (xa[XA_XROOTPMAP_ID]
757 && XGetWindowProperty (dpy, display->root, xa[XA_XROOTPMAP_ID],
758 0L, 1L, False, XA_PIXMAP, &atype, &aformat,
759 &nitems, &bytes_after, &prop) == Success);
760
761 if (!i || prop == NULL)
762 i = (xa[XA_ESETROOT_PMAP_ID]
763 && XGetWindowProperty (dpy, display->root, xa[XA_ESETROOT_PMAP_ID],
764 0L, 1L, False, XA_PIXMAP, &atype, &aformat,
765 &nitems, &bytes_after, &prop) == Success);
766
767 if (!i || prop == NULL
768#if TINTING
769 || (!ISSET_PIXCOLOR (Color_tint) && rs[Rs_shade] == NULL
770#ifdef HAVE_AFTERIMAGE
771 && original_asim == NULL && rs[Rs_blurradius] == NULL
772#endif
773 )
774#endif
775 )
776 have_pixmap = 0;
777 else
778 {
779 have_pixmap = 1;
780 rootpixmap = *(Pixmap *)prop;
781 XFree (prop);
782 }
783
784 if (have_pixmap)
785 {
786 Bool success = False ;
787 GC gc = NULL;
788 XGCValues gcvalue;
789#ifdef HAVE_AFTERIMAGE
790 {
791 Pixmap tmp_pmap = None ;
792 ShadingInfo shade;
793 ARGB32 tint ;
794 unsigned int pmap_w = 0, pmap_h = 0;
795
796 if (get_drawable_size( rootpixmap, &pmap_w, &pmap_h ))
797 {
798 int root_x = 0, root_y = 0;
799
800 shade.shading = rs[Rs_shade] ? atoi (rs[Rs_shade]) : 100;
801 if (ISSET_PIXCOLOR (Color_tint))
802 {
803 rgba c;
804 pix_colors_focused [Color_tint].get (c);
805 shade.tintColor.red = c.r;
806 shade.tintColor.green = c.g;
807 shade.tintColor.blue = c.b;
808 }
809 else
810 shade.tintColor.red = shade.tintColor.green = shade.tintColor.blue = 0xFFFF;
811 tint = shading2tint32( &shade );
812 gc = XCreateGC (dpy, vt, 0UL, &gcvalue);
813 if (GetWinPosition (parent[0], &root_x, &root_y) )
814 {
815 ASImageLayer *layers = create_image_layers( 2 );
816 ASImage *merged_im = NULL;
817 int back_x, back_y, back_w, back_h;
818 /* merge_layers does good job at tiling background appropriately,
819 so all we need is to cut out smallest possible piece : */
820#define MAKE_ROOTPMAP_GEOM(xy,wh,widthheight) \
821 do{ while( root_##xy < 0 ) root_##xy += (int)wrootattr.widthheight; \
822 back_##xy = root_##xy % pmap_##wh; /* that gives us left side of the closest tile : */ \
823 if( pmap_##wh >= back_##xy + szHint.widthheight ) \
824 back_##wh = szHint.widthheight;/* background is large - limit it by our size */ \
825 else \
826 { /* small background - need the whole of it for successfull tiling :*/ \
827 back_##xy = 0; \
828 back_##wh = pmap_##wh; \
829 }}while(0)
303 } 830
304 cincr /= widthheight; 831 MAKE_ROOTPMAP_GEOM(x,w,width);
305 *wh = cwh; 832 MAKE_ROOTPMAP_GEOM(y,h,height);
306 *xy = cxy; 833
307 *incr = cincr; 834 layers[0].im = pixmap2asimage (display->asv, rootpixmap, back_x, back_y, back_w, back_h, AllPlanes, ASA_ASImage, 100);
308 *p = cp; 835 layers[0].clip_x = (back_w == pmap_w)?root_x:0;
836 layers[0].clip_y = (back_h == pmap_h)?root_y:0;
837 layers[0].clip_width = szHint.width;
838 layers[0].clip_height = szHint.height;
839 layers[0].tint = tint;
840 if (rs[Rs_blurradius] && layers[0].im)
841 {
842 double r = atof(rs[Rs_blurradius]);
843 ASImage* tmp = blur_asimage_gauss(display->asv, layers[0].im, r, r, 0xFFFFFFFF, ASA_ASImage, 100, ASIMAGE_QUALITY_DEFAULT );
844 if( tmp )
845 {
846 destroy_asimage( &layers[0].im );
847 layers[0].im = tmp;
848 }
849 }
850 if (original_asim != NULL)
851 {
852 int fore_w, fore_h;
853 layers[1].im = original_asim;
854 if( bgPixmap.auto_resize )
855 {
856 fore_w = szHint.width;
857 fore_h = szHint.height;
858 }
859 else
860 {
861 fore_w = bgPixmap.w;
862 fore_h = bgPixmap.h;
863 }
864 if (fore_w != original_asim->width
865 || fore_h != original_asim->height)
866 {
867 layers[1].im = scale_asimage( display->asv,
868 original_asim,
869 fore_w, fore_h,
870 ASA_ASImage, 100,
871 ASIMAGE_QUALITY_DEFAULT );
872 }
873
874 layers[1].clip_width = szHint.width;
875 layers[1].clip_height = szHint.height;
876
877 if (rs[Rs_blendtype])
878 {
879 layers[1].merge_scanlines = blend_scanlines_name2func(rs[Rs_blendtype]);
880 if( layers[1].merge_scanlines == NULL )
881 layers[1].merge_scanlines = alphablend_scanlines;
882 }
883 }
884 merged_im = merge_layers( display->asv, layers, layers[1].im?2:1,
885 szHint.width, szHint.height,
886 ASA_XImage, 0, ASIMAGE_QUALITY_DEFAULT );
887 if (layers[1].im != original_asim)
888 destroy_asimage( &(layers[1].im) );
889 destroy_asimage( &(layers[0].im) );
890 if (merged_im != NULL)
891 {
892 tmp_pmap = asimage2pixmap( display->asv, DefaultRootWindow(dpy), merged_im, gc, True );
893 destroy_asimage( &merged_im );
894 }
895 free( layers );
896 }
897 }
898 if (tmp_pmap != None)
899 {
900 success = True;
901 if (pixmap != None)
902 XFreePixmap (dpy, pixmap);
903 pixmap = tmp_pmap;
904 }
905 }
906#else /* HAVE_AFTERIMAGE */
907 {
908 /*
909 * Copy display->root pixmap transparency
910 */
911 int nx, ny;
912 unsigned int nw, nh;
913 XImage *image;
914
915 nw = (unsigned int)szHint.width;
916 nh = (unsigned int)szHint.height;
917 nx = ny = 0;
918
919 if (sx < 0)
920 {
921 nw += sx;
922 nx = -sx;
923 sx = 0;
924 }
925
926 if (sy < 0)
927 {
928 nh += sy;
929 ny = -sy;
930 sy = 0;
931 }
932
933 min_it (nw, (unsigned int) (wrootattr.width - sx));
934 min_it (nh, (unsigned int) (wrootattr.height - sy));
935
936 XSync (dpy, False);
937 allowedxerror = -1;
938 image = XGetImage (dpy, rootpixmap, sx, sy, nw, nh, AllPlanes, ZPixmap);
939
940 /* XXX: handle BadMatch - usually because we're outside the pixmap */
941 /* XXX: may need a delay here? */
942 allowedxerror = 0;
943 if (image != NULL)
944 {
945 if (pixmap != None)
946 XFreePixmap (dpy, pixmap);
947
948#if TINTING
949 if (ISSET_PIXCOLOR (Color_tint))
950 {
951 int shade = rs[Rs_shade] ? atoi (rs[Rs_shade]) : 100;
952
953 rgba c;
954 pix_colors_focused [Color_tint].get (c);
955 ShadeXImage (this, image, shade, c.r, c.g, c.b);
956 }
957#endif
958
959 pixmap = XCreatePixmap (dpy, vt, szHint.width, szHint.height, image->depth);
960 gc = XCreateGC (dpy, vt, 0UL, &gcvalue);
961 XPutImage (dpy, pixmap, gc, image, 0, 0,
962 nx, ny, image->width, image->height);
963 XDestroyImage (image);
964 success = True ;
965 }
966 }
967#endif /* HAVE_AFTERIMAGE */
968 if (gc != NULL)
969 XFreeGC (dpy, gc);
970
971 if (!success)
972 {
973 if (am_transparent && am_pixmap_trans)
974 {
975 pchanged = 1;
976 if (pixmap != None)
977 {
978 XFreePixmap (dpy, pixmap);
979 pixmap = None;
980 }
981 }
982
983 am_pixmap_trans = 0;
984 }
985 else
986 {
987 XSetWindowBackgroundPixmap (dpy, parent[0], pixmap);
988 XClearWindow (dpy, parent[0]);
989
990 if (!am_transparent || !am_pixmap_trans)
991 pchanged = 1;
992
993 am_transparent = am_pixmap_trans = 1;
994 }
995 }
996
997 if (am_pixmap_trans)
998 XSetWindowBackgroundPixmap (dpy, vt, ParentRelative);
999 else
1000 {
1001 unsigned int n;
1002 /*
1003 * InheritPixmap transparency
1004 */
1005 for (i = 1; i < (int) (sizeof (parent) / sizeof (Window)); i++)
1006 {
1007 oldp = parent[i];
1008 XQueryTree (dpy, parent[i - 1], &root, &parent[i], &list, &n);
1009 XFree (list);
1010
1011 if (parent[i] == display->root)
1012 {
1013 if (oldp != None)
1014 pchanged = 1;
1015
1016 break;
1017 }
1018
1019 if (oldp != parent[i])
1020 pchanged = 1;
1021 }
1022
1023 n = 0;
1024
1025 if (pchanged)
1026 for (; n < (unsigned int)i; n++)
1027 {
1028 XGetWindowAttributes (dpy, parent[n], &wattr);
1029
1030 if (wattr.depth != rootdepth || wattr.c_class == InputOnly)
1031 {
1032 n = (int) (sizeof (parent) / sizeof (Window)) + 1;
1033 break;
1034 }
1035 }
1036
1037 if (n > (sizeof (parent) / sizeof (parent[0])))
1038 {
1039 XSetWindowBackground (dpy, parent[0], pix_colors_focused[Color_border]);
1040 XSetWindowBackground (dpy, vt, pix_colors_focused[Color_bg]);
1041 am_transparent = 0;
1042 /* XXX: also turn off Opt_transparent? */
1043 }
1044 else
1045 {
1046 for (n = 0; n < (unsigned int)i; n++)
1047 {
1048 XSetWindowBackgroundPixmap (dpy, parent[n], ParentRelative);
1049 XClearWindow (dpy, parent[n]);
1050 }
1051
1052 XSetWindowBackgroundPixmap (dpy, vt, ParentRelative);
1053 am_transparent = 1;
1054 }
1055
1056 for (; i < (int) (sizeof (parent) / sizeof (Window)); i++)
1057 parent[i] = None;
1058 }
1059
1060 if (scrollBar.win)
1061 {
1062 XSetWindowBackgroundPixmap (dpy, scrollBar.win, ParentRelative);
1063 scrollBar.setIdle ();
1064 scrollbar_show (0);
1065 }
1066
1067 if (am_transparent)
1068 {
1069 want_refresh = want_full_refresh = 1;
1070 if (am_pixmap_trans)
1071 flush ();
1072 }
1073
1074// return pchanged;
309} 1075}
310 1076#endif
311/* EXTPROTO */
312Pixmap
313rxvt_set_bgPixmap(pR_ const char *file)
314{
315 char *f;
316
317 assert(file != NULL);
318
319 if (R->h->bgPixmap.pixmap != None) {
320 XFreePixmap(R->Xdisplay, R->h->bgPixmap.pixmap);
321 R->h->bgPixmap.pixmap = None;
322 }
323 XSetWindowBackground(R->Xdisplay, R->TermWin.vt, R->PixColors[Color_bg]);
324
325 if (*file != '\0') {
326/* XWindowAttributes attr; */
327
328 /*
329 * we already have the required attributes
330 */
331/* XGetWindowAttributes(R->Xdisplay, R->TermWin.vt, &attr); */
332
333 R->h->xpmAttr.closeness = 30000;
334 R->h->xpmAttr.colormap = XCMAP;
335 R->h->xpmAttr.visual = XVISUAL;
336 R->h->xpmAttr.depth = XDEPTH;
337 R->h->xpmAttr.valuemask = (XpmCloseness | XpmColormap | XpmVisual |
338 XpmDepth | XpmSize | XpmReturnPixels);
339
340 /* search environment variables here too */
341 f = (char *)rxvt_File_find(file, ".xpm", R->h->rs[Rs_path]);
342 if (f == NULL
343 || XpmReadFileToPixmap(R->Xdisplay, Xroot, f,
344 &R->h->bgPixmap.pixmap, NULL,
345 &R->h->xpmAttr)) {
346 char *p;
347
348 /* semi-colon delimited */
349 if ((p = STRCHR(file, ';')) == NULL)
350 p = STRCHR(file, '\0');
351
352 rxvt_print_error("couldn't load XPM file \"%.*s\"", (p - file),
353 file);
354 }
355 free(f);
356 }
357 rxvt_resize_pixmap(aR);
358 return R->h->bgPixmap.pixmap;
359}
360
361#endif /* XPM_BACKGROUND */

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