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Comparing rxvt-unicode/src/background.C (file contents):
Revision 1.158 by sf-exg, Wed Aug 10 07:28:36 2011 UTC vs.
Revision 1.206 by sf-exg, Thu Apr 12 10:22:50 2012 UTC

20 * You should have received a copy of the GNU General Public License 20 * You should have received a copy of the GNU General Public License
21 * along with this program; if not, write to the Free Software 21 * along with this program; if not, write to the Free Software
22 * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. 22 * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
23 *---------------------------------------------------------------------*/ 23 *---------------------------------------------------------------------*/
24 24
25#include <cmath> 25#include <math.h>
26#include "../config.h" /* NECESSARY */ 26#include "../config.h" /* NECESSARY */
27#include "rxvt.h" /* NECESSARY */ 27#include "rxvt.h" /* NECESSARY */
28 28
29#if XRENDER 29#if XRENDER
30# include <X11/extensions/Xrender.h> 30# include <X11/extensions/Xrender.h>
32 32
33#ifndef FilterConvolution 33#ifndef FilterConvolution
34#define FilterConvolution "convolution" 34#define FilterConvolution "convolution"
35#endif 35#endif
36 36
37/* 37#ifndef RepeatPad
38 * Pixmap geometry string interpretation : 38#define RepeatPad True
39 * Each geometry string contains zero or one scale/position 39#endif
40 * adjustment and may optionally be followed by a colon and one or more
41 * colon-delimited pixmap operations.
42 * The following table shows the valid geometry strings and their
43 * effects on the background image :
44 *
45 * WxH+X+Y Set scaling to W% by H%, and position to X% by Y%.
46 * W and H are percentages of the terminal window size.
47 * X and Y are also percentages; e.g., +50+50 centers
48 * the image in the window.
49 *
50 * Pixmap Operations : (should be prepended by a colon)
51 * tile Tile image. Scaling/position modifiers above will affect
52 * the tile size and origin.
53 * propscale When scaling, scale proportionally. That is, maintain the
54 * proper aspect ratio for the image. Any portion of the
55 * background not covered by the image is filled with the
56 * current background color.
57 * scale Scale both up and down
58 */
59 40
60#ifdef HAVE_BG_PIXMAP 41#ifdef HAVE_BG_PIXMAP
42# if XRENDER
43static Picture
44create_xrender_mask (Display *dpy, Drawable drawable, Bool argb, Bool component_alpha)
45{
46 Pixmap pixmap = XCreatePixmap (dpy, drawable, 1, 1, argb ? 32 : 8);
47
48 XRenderPictFormat *format = XRenderFindStandardFormat (dpy, argb ? PictStandardARGB32 : PictStandardA8);
49 XRenderPictureAttributes pa;
50 pa.repeat = True;
51 pa.component_alpha = component_alpha;
52 Picture mask = XRenderCreatePicture (dpy, pixmap, format, CPRepeat | CPComponentAlpha, &pa);
53
54 XFreePixmap (dpy, pixmap);
55
56 return mask;
57}
58# endif
59
61void 60void
62rxvt_term::bg_destroy () 61rxvt_term::bg_destroy ()
63{ 62{
64#ifdef HAVE_AFTERIMAGE
65 if (original_asim)
66 safe_asimage_destroy (original_asim);
67 if (asv)
68 destroy_asvisual (asv, 0);
69 if (asimman)
70 destroy_image_manager (asimman, 0);
71#endif
72
73#ifdef HAVE_PIXBUF 63#ifdef HAVE_PIXBUF
74 if (pixbuf) 64 if (pixbuf)
75 g_object_unref (pixbuf); 65 g_object_unref (pixbuf);
76#endif 66#endif
77 67
130 120
131 return false; 121 return false;
132} 122}
133 123
134# ifdef BG_IMAGE_FROM_FILE 124# ifdef BG_IMAGE_FROM_FILE
135static inline bool
136check_set_scale_value (int geom_flags, int flag, unsigned int &scale, unsigned int new_value)
137{
138 if (geom_flags & flag)
139 {
140 if (new_value > 1000)
141 new_value = 1000;
142 if (new_value != scale)
143 {
144 scale = new_value;
145 return true;
146 }
147 }
148 return false;
149}
150
151static inline bool
152check_set_align_value (int geom_flags, int flag, int &align, int new_value)
153{
154 if (geom_flags & flag)
155 {
156 if (new_value < -100)
157 new_value = -100;
158 else if (new_value > 200)
159 new_value = 200;
160 if (new_value != align)
161 {
162 align = new_value;
163 return true;
164 }
165 }
166 return false;
167}
168
169static inline int 125static inline int
170make_align_position (int align, int window_size, int image_size) 126make_align_position (int align, int window_size, int image_size)
171{ 127{
172 int diff = window_size - image_size;
173 int smaller = min (image_size, window_size);
174
175 if (align >= 0 && align <= 100) 128 if (align >= 0 && align <= 100)
176 return diff * align / 100; 129 return lerp (0, window_size - image_size, align);
177 else if (align > 100 && align <= 200) 130 else if (align > 100)
178 return ((align - 100) * smaller / 100) + window_size - smaller; 131 return lerp (window_size - image_size, window_size, align - 100);
179 else if (align >= -100 && align < 0) 132 else
180 return ((align + 100) * smaller / 100) - image_size; 133 return lerp (-image_size, 0, align + 100);
181 return 0;
182} 134}
183 135
184static inline int 136static inline int
185make_clip_rectangle (int pos, int size, int target_size, int &dst_pos, int &dst_size) 137make_clip_rectangle (int pos, int size, int target_size, int &dst_pos, int &dst_size)
186{ 138{
192 src_pos = -pos; 144 src_pos = -pos;
193 dst_pos = 0; 145 dst_pos = 0;
194 dst_size += pos; 146 dst_size += pos;
195 } 147 }
196 148
197 if (dst_pos + dst_size > target_size)
198 dst_size = target_size - dst_pos; 149 min_it (dst_size, target_size - dst_pos);
199 return src_pos; 150 return src_pos;
200} 151}
201 152
202bool 153bool
203rxvt_term::bg_set_geometry (const char *geom, bool update) 154rxvt_term::bg_set_geometry (const char *geom, bool update)
204{ 155{
205 bool changed = false; 156 bool changed = false;
206 int geom_flags = 0; 157 int geom_flags = 0;
207 int x = 0, y = 0; 158 int x = h_align;
159 int y = v_align;
208 unsigned int w = 0, h = 0; 160 unsigned int w = h_scale;
209 unsigned int n; 161 unsigned int h = v_scale;
210 unsigned long new_flags = (bg_flags & (~BG_GEOMETRY_FLAGS)); 162 unsigned long new_flags = 0;
211 const char *ops;
212 163
213 if (geom == NULL) 164 if (geom == NULL)
214 return false; 165 return false;
215 166
216 char str[256]; 167 if (geom[0])
217
218 ops = strchr (geom, ':');
219 if (ops == NULL)
220 n = strlen (geom);
221 else
222 n = ops - geom;
223
224 if (n >= sizeof (str))
225 return false;
226
227 memcpy (str, geom, n);
228 str[n] = '\0';
229 rxvt_strtrim (str);
230
231 if (str[0])
232 { 168 {
233 /* we have geometry string - let's handle it prior to applying ops */ 169 char **arr = rxvt_strsplit (':', geom);
170
171 for (int i = 0; arr[i]; i++)
172 {
173 if (!strcasecmp (arr[i], "style=tiled"))
174 {
175 new_flags = BG_TILE;
176 w = h = noScale;
177 x = y = 0;
178 geom_flags = WidthValue|HeightValue|XValue|YValue;
179 }
180 else if (!strcasecmp (arr[i], "style=aspect-stretched"))
181 {
182 new_flags = BG_KEEP_ASPECT;
183 w = h = windowScale;
184 x = y = centerAlign;
185 geom_flags = WidthValue|HeightValue|XValue|YValue;
186 }
187 else if (!strcasecmp (arr[i], "style=stretched"))
188 {
189 new_flags = 0;
190 w = h = windowScale;
191 geom_flags = WidthValue|HeightValue;
192 }
193 else if (!strcasecmp (arr[i], "style=centered"))
194 {
195 new_flags = 0;
196 w = h = noScale;
197 x = y = centerAlign;
198 geom_flags = WidthValue|HeightValue|XValue|YValue;
199 }
200 else if (!strcasecmp (arr[i], "style=root-tiled"))
201 {
202 new_flags = BG_TILE|BG_ROOT_ALIGN;
203 w = h = noScale;
204 geom_flags = WidthValue|HeightValue;
205 }
206 else if (!strcasecmp (arr[i], "op=tile"))
207 new_flags |= BG_TILE;
208 else if (!strcasecmp (arr[i], "op=keep-aspect"))
209 new_flags |= BG_KEEP_ASPECT;
210 else if (!strcasecmp (arr[i], "op=root-align"))
211 new_flags |= BG_ROOT_ALIGN;
212
213 // deprecated
214 else if (!strcasecmp (arr[i], "tile"))
215 {
216 new_flags |= BG_TILE;
217 w = h = noScale;
218 geom_flags |= WidthValue|HeightValue;
219 }
220 else if (!strcasecmp (arr[i], "propscale"))
221 {
222 new_flags |= BG_KEEP_ASPECT;
223 w = h = windowScale;
224 geom_flags |= WidthValue|HeightValue;
225 }
226 else if (!strcasecmp (arr[i], "hscale"))
227 {
228 new_flags |= BG_TILE;
229 w = windowScale;
230 h = noScale;
231 geom_flags |= WidthValue|HeightValue;
232 }
233 else if (!strcasecmp (arr[i], "vscale"))
234 {
235 new_flags |= BG_TILE;
236 h = windowScale;
237 w = noScale;
238 geom_flags |= WidthValue|HeightValue;
239 }
240 else if (!strcasecmp (arr[i], "scale"))
241 {
242 w = h = windowScale;
243 geom_flags |= WidthValue|HeightValue;
244 }
245 else if (!strcasecmp (arr[i], "auto"))
246 {
247 w = h = windowScale;
248 x = y = centerAlign;
249 geom_flags |= WidthValue|HeightValue|XValue|YValue;
250 }
251 else if (!strcasecmp (arr[i], "root"))
252 {
253 new_flags |= BG_TILE|BG_ROOT_ALIGN;
254 w = h = noScale;
255 geom_flags |= WidthValue|HeightValue;
256 }
257
258 else
234 geom_flags = XParseGeometry (str, &x, &y, &w, &h); 259 geom_flags |= XParseGeometry (arr[i], &x, &y, &w, &h);
235 } /* done parsing geometry string */ 260 } /* done parsing ops */
261
262 rxvt_free_strsplit (arr);
263 }
264
265 new_flags |= bg_flags & ~BG_GEOMETRY_FLAGS;
236 266
237 if (!update) 267 if (!update)
238 { 268 {
239 if (!(geom_flags & XValue)) 269 if (!(geom_flags & XValue))
240 x = y = defaultAlign; 270 x = y = defaultAlign;
245 w = h = defaultScale; 275 w = h = defaultScale;
246 else if (!(geom_flags & HeightValue)) 276 else if (!(geom_flags & HeightValue))
247 h = w; 277 h = w;
248 else if (!(geom_flags & WidthValue)) 278 else if (!(geom_flags & WidthValue))
249 w = h; 279 w = h;
250
251 geom_flags |= WidthValue|HeightValue|XValue|YValue;
252 }
253
254 if (ops)
255 { 280 }
256 char **arr = rxvt_strsplit (':', ops + 1);
257 281
258 for (int i = 0; arr[i]; i++) 282 min_it (w, 1000);
259 { 283 min_it (h, 1000);
260 if (!strcasecmp (arr[i], "tile")) 284 clamp_it (x, -100, 200);
261 { 285 clamp_it (y, -100, 200);
262 new_flags |= BG_TILE;
263 w = h = noScale;
264 geom_flags |= WidthValue|HeightValue;
265 }
266 else if (!strcasecmp (arr[i], "propscale"))
267 {
268 new_flags |= BG_PROP_SCALE;
269 }
270 else if (!strcasecmp (arr[i], "scale"))
271 {
272 if (h == 0) h = windowScale;
273 if (w == 0) w = windowScale;
274 286
275 geom_flags |= WidthValue|HeightValue; 287 if (bg_flags != new_flags
276 } 288 || h_scale != w
277 else if (!strcasecmp (arr[i], "root")) 289 || v_scale != h
278 { 290 || h_align != x
279 new_flags |= BG_TILE|BG_ROOT_ALIGN; 291 || v_align != y)
280 w = h = noScale;
281 geom_flags |= WidthValue|HeightValue;
282 }
283 } /* done parsing ops */
284
285 rxvt_free_strsplit (arr);
286 }
287
288 if (check_set_scale_value (geom_flags, WidthValue, h_scale, w)) changed = true;
289 if (check_set_scale_value (geom_flags, HeightValue, v_scale, h)) changed = true;
290 if (check_set_align_value (geom_flags, XValue, h_align, x)) changed = true;
291 if (check_set_align_value (geom_flags, YValue, v_align, y)) changed = true;
292
293 if (new_flags != bg_flags)
294 { 292 {
295 bg_flags = new_flags; 293 bg_flags = new_flags;
294 h_scale = w;
295 v_scale = h;
296 h_align = x;
297 v_align = y;
296 changed = true; 298 changed = true;
297 } 299 }
298 300
299 return changed; 301 return changed;
300} 302}
303rxvt_term::get_image_geometry (int image_width, int image_height, int &w, int &h, int &x, int &y) 305rxvt_term::get_image_geometry (int image_width, int image_height, int &w, int &h, int &x, int &y)
304{ 306{
305 int target_width = szHint.width; 307 int target_width = szHint.width;
306 int target_height = szHint.height; 308 int target_height = szHint.height;
307 309
310 w = h_scale * target_width / 100;
311 h = v_scale * target_height / 100;
312
308 if (bg_flags & BG_PROP_SCALE) 313 if (bg_flags & BG_KEEP_ASPECT)
309 { 314 {
310 float scale = (float)target_width / image_width; 315 float scale = (float)w / image_width;
311 min_it (scale, (float)target_height / image_height); 316 min_it (scale, (float)h / image_height);
312 w = image_width * scale + 0.5; 317 w = image_width * scale + 0.5;
313 h = image_height * scale + 0.5; 318 h = image_height * scale + 0.5;
314 } 319 }
315 else
316 {
317 w = h_scale * target_width / 100;
318 h = v_scale * target_height / 100;
319 }
320 320
321 if (!w) w = image_width; 321 if (!w) w = image_width;
322 if (!h) h = image_height; 322 if (!h) h = image_height;
323 323
324 if (bg_flags & BG_ROOT_ALIGN) 324 if (bg_flags & BG_ROOT_ALIGN)
330 { 330 {
331 x = make_align_position (h_align, target_width, w); 331 x = make_align_position (h_align, target_width, w);
332 y = make_align_position (v_align, target_height, h); 332 y = make_align_position (v_align, target_height, h);
333 } 333 }
334 334
335 bg_flags &= ~BG_IS_SIZE_SENSITIVE;
336 if (!(bg_flags & BG_TILE) 335 if (!(bg_flags & BG_TILE)
337 || (bg_flags & BG_PROP_SCALE) || h_scale || v_scale 336 || h_scale || v_scale
338 || (!(bg_flags & BG_ROOT_ALIGN) && (h_align || v_align)) 337 || (!(bg_flags & BG_ROOT_ALIGN) && (h_align || v_align))
339 || w > target_width || h > target_height) 338 || image_width > target_width || image_height > target_height)
340 bg_flags |= BG_IS_SIZE_SENSITIVE; 339 bg_flags |= BG_IS_SIZE_SENSITIVE;
341}
342
343# ifdef HAVE_AFTERIMAGE
344bool
345rxvt_term::render_image (unsigned long tr_flags)
346{
347 init_asv ();
348
349 ASImage *background = NULL;
350 ARGB32 background_tint = TINT_LEAVE_SAME;
351
352# ifdef ENABLE_TRANSPARENCY
353 if (tr_flags)
354 background = pixmap2ximage (asv, bg_pixmap, 0, 0, bg_pmap_width, bg_pmap_height, AllPlanes, 100);
355
356 if (tr_flags & BG_NEEDS_TINT)
357 {
358 ShadingInfo as_shade;
359 as_shade.shading = shade;
360
361 rgba c (rgba::MAX_CC,rgba::MAX_CC,rgba::MAX_CC);
362 if (bg_flags & BG_TINT_SET)
363 tint.get (c);
364 as_shade.tintColor.red = c.r;
365 as_shade.tintColor.green = c.g;
366 as_shade.tintColor.blue = c.b;
367
368 background_tint = shading2tint32 (&as_shade);
369 }
370
371 if ((tr_flags & BG_NEEDS_BLUR) && background != NULL)
372 {
373 ASImage *tmp = blur_asimage_gauss (asv, background, h_blurRadius, v_blurRadius, 0xFFFFFFFF,
374 (original_asim == NULL || tint == TINT_LEAVE_SAME) ? ASA_XImage : ASA_ASImage,
375 100, ASIMAGE_QUALITY_DEFAULT);
376 if (tmp)
377 {
378 destroy_asimage (&background);
379 background = tmp;
380 }
381 }
382# endif
383
384 ASImage *result = 0;
385
386 int target_width = szHint.width;
387 int target_height = szHint.height;
388 int new_pmap_width = target_width;
389 int new_pmap_height = target_height;
390
391 int x = 0;
392 int y = 0;
393 int w = 0;
394 int h = 0;
395
396 if (original_asim)
397 get_image_geometry (original_asim->width, original_asim->height, w, h, x, y);
398
399 if (!original_asim
400 || (!(bg_flags & BG_ROOT_ALIGN)
401 && (x >= target_width
402 || y >= target_height
403 || (x + w <= 0)
404 || (y + h <= 0))))
405 {
406 if (background)
407 {
408 new_pmap_width = background->width;
409 new_pmap_height = background->height;
410 result = background;
411
412 if (background_tint != TINT_LEAVE_SAME)
413 {
414 ASImage *tmp = tile_asimage (asv, background, 0, 0,
415 target_width, target_height, background_tint,
416 ASA_XImage, 100, ASIMAGE_QUALITY_DEFAULT);
417 if (tmp)
418 result = tmp;
419 }
420 }
421 else
422 new_pmap_width = new_pmap_height = 0;
423 }
424 else 340 else
425 { 341 bg_flags &= ~BG_IS_SIZE_SENSITIVE;
426 result = original_asim;
427
428 if ((w != original_asim->width)
429 || (h != original_asim->height))
430 {
431 result = scale_asimage (asv, original_asim,
432 w, h,
433 background ? ASA_ASImage : ASA_XImage,
434 100, ASIMAGE_QUALITY_DEFAULT);
435 }
436
437 if (background == NULL)
438 {
439 if (bg_flags & BG_TILE)
440 {
441 /* if tiling - pixmap has to be sized exactly as the image,
442 but there is no need to make it bigger than the window! */
443 new_pmap_width = min (result->width, target_width);
444 new_pmap_height = min (result->height, target_height);
445
446 /* we also need to tile our image in both directions */
447 ASImage *tmp = tile_asimage (asv, result,
448 (int)result->width - x,
449 (int)result->height - y,
450 new_pmap_width,
451 new_pmap_height,
452 TINT_LEAVE_SAME, ASA_XImage,
453 100, ASIMAGE_QUALITY_DEFAULT);
454 if (tmp)
455 {
456 if (result != original_asim)
457 destroy_asimage (&result);
458
459 result = tmp;
460 }
461 }
462 }
463 else
464 {
465 /* if blending background and image - pixmap has to be sized same as target window */
466 ASImageLayer *layers = create_image_layers (2);
467
468 layers[0].im = background;
469 layers[0].clip_width = target_width;
470 layers[0].clip_height = target_height;
471 layers[0].tint = background_tint;
472 layers[1].im = result;
473
474 if (bg_flags & BG_TILE)
475 {
476 /* tile horizontally */
477 while (x > 0) x -= (int)result->width;
478 layers[1].dst_x = x;
479 layers[1].clip_width = result->width+target_width;
480 }
481 else
482 {
483 /* clip horizontally */
484 layers[1].dst_x = x;
485 layers[1].clip_width = result->width;
486 }
487
488 if (bg_flags & BG_TILE)
489 {
490 while (y > 0) y -= (int)result->height;
491 layers[1].dst_y = y;
492 layers[1].clip_height = result->height + target_height;
493 }
494 else
495 {
496 layers[1].dst_y = y;
497 layers[1].clip_height = result->height;
498 }
499
500 if (rs[Rs_blendtype])
501 {
502 layers[1].merge_scanlines = blend_scanlines_name2func (rs[Rs_blendtype]);
503 if (layers[1].merge_scanlines == NULL)
504 layers[1].merge_scanlines = alphablend_scanlines;
505 }
506
507 ASImage *tmp = merge_layers (asv, layers, 2, target_width, target_height,
508 ASA_XImage, 0, ASIMAGE_QUALITY_DEFAULT);
509
510 if (tmp)
511 {
512 if (result != original_asim)
513 destroy_asimage (&result);
514
515 result = tmp;
516 }
517
518 free (layers);
519 }
520 }
521
522 bool ret = false;
523
524 if (result)
525 {
526 XGCValues gcv;
527 GC gc;
528
529 /* create Pixmap */
530 if (bg_pixmap == None
531 || bg_pmap_width != new_pmap_width
532 || bg_pmap_height != new_pmap_height)
533 {
534 if (bg_pixmap)
535 XFreePixmap (dpy, bg_pixmap);
536 bg_pixmap = XCreatePixmap (dpy, vt, new_pmap_width, new_pmap_height, depth);
537 bg_pmap_width = new_pmap_width;
538 bg_pmap_height = new_pmap_height;
539 }
540 /* fill with background color (if result's not completely overlapping it) */
541 gcv.foreground = pix_colors[Color_bg];
542 gc = XCreateGC (dpy, vt, GCForeground, &gcv);
543
544 int src_x = 0, src_y = 0, dst_x = 0, dst_y = 0;
545 int dst_width = result->width, dst_height = result->height;
546 if (background == NULL)
547 {
548 if (!(bg_flags & BG_TILE))
549 {
550 src_x = make_clip_rectangle (x, result->width , new_pmap_width , dst_x, dst_width );
551 src_y = make_clip_rectangle (y, result->height, new_pmap_height, dst_y, dst_height);
552 }
553
554 if (dst_x > 0 || dst_y > 0
555 || dst_x + dst_width < new_pmap_width
556 || dst_y + dst_height < new_pmap_height)
557 XFillRectangle (dpy, bg_pixmap, gc, 0, 0, new_pmap_width, new_pmap_height);
558 }
559
560 /* put result on pixmap */
561 if (dst_x < new_pmap_width && dst_y < new_pmap_height)
562 asimage2drawable (asv, bg_pixmap, result, gc, src_x, src_y, dst_x, dst_y, dst_width, dst_height, True);
563
564 if (result != background && result != original_asim)
565 destroy_asimage (&result);
566
567 XFreeGC (dpy, gc);
568
569 ret = true;
570 }
571
572 if (background)
573 destroy_asimage (&background);
574
575 return ret;
576} 342}
577# endif /* HAVE_AFTERIMAGE */
578 343
579# ifdef HAVE_PIXBUF 344# ifdef HAVE_PIXBUF
580bool 345bool
581rxvt_term::pixbuf_to_pixmap (GdkPixbuf *pixbuf, Pixmap pixmap, GC gc, 346rxvt_term::pixbuf_to_pixmap (GdkPixbuf *pixbuf, Pixmap pixmap, GC gc,
582 int src_x, int src_y, int dst_x, int dst_y, 347 int src_x, int src_y, int dst_x, int dst_y,
659 XDestroyImage (ximage); 424 XDestroyImage (ximage);
660 return true; 425 return true;
661} 426}
662 427
663bool 428bool
664rxvt_term::render_image (unsigned long tr_flags) 429rxvt_term::render_image (bool transparent)
665{ 430{
666 if (!pixbuf) 431 if (!pixbuf)
667 return false; 432 return false;
668 433
669 if (tr_flags 434 if (transparent
670 && !(bg_flags & BG_HAS_RENDER)) 435 && !(bg_flags & BG_HAS_RENDER))
671 return false; 436 return false;
672 437
673 GdkPixbuf *result; 438 GdkPixbuf *result;
674 439
688 get_image_geometry (image_width, image_height, w, h, x, y); 453 get_image_geometry (image_width, image_height, w, h, x, y);
689 454
690 if (!(bg_flags & BG_ROOT_ALIGN) 455 if (!(bg_flags & BG_ROOT_ALIGN)
691 && (x >= target_width 456 && (x >= target_width
692 || y >= target_height 457 || y >= target_height
693 || (x + w <= 0) 458 || x + w <= 0
694 || (y + h <= 0))) 459 || y + h <= 0))
695 return false; 460 return false;
696 461
697 result = pixbuf; 462 result = pixbuf;
698 463
699 if ((w != image_width) 464 if (w != image_width
700 || (h != image_height)) 465 || h != image_height)
701 { 466 {
702 result = gdk_pixbuf_scale_simple (pixbuf, 467 result = gdk_pixbuf_scale_simple (pixbuf,
703 w, h, 468 w, h,
704 GDK_INTERP_BILINEAR); 469 GDK_INTERP_BILINEAR);
705 } 470 }
714 Pixmap root_pmap; 479 Pixmap root_pmap;
715 480
716 image_width = gdk_pixbuf_get_width (result); 481 image_width = gdk_pixbuf_get_width (result);
717 image_height = gdk_pixbuf_get_height (result); 482 image_height = gdk_pixbuf_get_height (result);
718 483
719 if (tr_flags) 484 if (transparent)
720 { 485 {
721 root_pmap = bg_pixmap; 486 root_pmap = bg_pixmap;
722 bg_pixmap = None; 487 bg_pixmap = None;
723 } 488 }
724 else 489 else
782 dst_x, dst_y, 547 dst_x, dst_y,
783 dst_width, dst_height); 548 dst_width, dst_height);
784 } 549 }
785 550
786#if XRENDER 551#if XRENDER
787 if (tr_flags) 552 if (transparent)
788 { 553 {
789 XRenderPictureAttributes pa;
790
791 XRenderPictFormat *src_format = XRenderFindVisualFormat (dpy, visual); 554 XRenderPictFormat *format = XRenderFindVisualFormat (dpy, visual);
555
792 Picture src = XRenderCreatePicture (dpy, root_pmap, src_format, 0, &pa); 556 Picture src = XRenderCreatePicture (dpy, root_pmap, format, 0, 0);
793 557
794 XRenderPictFormat *dst_format = XRenderFindVisualFormat (dpy, visual);
795 Picture dst = XRenderCreatePicture (dpy, bg_pixmap, dst_format, 0, &pa); 558 Picture dst = XRenderCreatePicture (dpy, bg_pixmap, format, 0, 0);
796 559
797 pa.repeat = True; 560 Picture mask = create_xrender_mask (dpy, vt, False, False);
798 Pixmap mask_pmap = XCreatePixmap (dpy, vt, 1, 1, 8);
799 XRenderPictFormat *mask_format = XRenderFindStandardFormat (dpy, PictStandardA8);
800 Picture mask = XRenderCreatePicture (dpy, mask_pmap, mask_format, CPRepeat, &pa);
801 XFreePixmap (dpy, mask_pmap);
802 561
803 XRenderColor mask_c; 562 XRenderColor mask_c;
804 563
805 mask_c.alpha = 0x8000; 564 mask_c.alpha = 0x8000;
806 mask_c.red = 0; 565 mask_c.red =
807 mask_c.green = 0; 566 mask_c.green =
808 mask_c.blue = 0; 567 mask_c.blue = 0;
809 XRenderFillRectangle (dpy, PictOpSrc, mask, &mask_c, 0, 0, 1, 1); 568 XRenderFillRectangle (dpy, PictOpSrc, mask, &mask_c, 0, 0, 1, 1);
569
810 XRenderComposite (dpy, PictOpOver, src, mask, dst, 0, 0, 0, 0, 0, 0, target_width, target_height); 570 XRenderComposite (dpy, PictOpOver, src, mask, dst, 0, 0, 0, 0, 0, 0, target_width, target_height);
811 571
812 XRenderFreePicture (dpy, src); 572 XRenderFreePicture (dpy, src);
813 XRenderFreePicture (dpy, dst); 573 XRenderFreePicture (dpy, dst);
814 XRenderFreePicture (dpy, mask); 574 XRenderFreePicture (dpy, mask);
821 } 581 }
822 582
823 if (result != pixbuf) 583 if (result != pixbuf)
824 g_object_unref (result); 584 g_object_unref (result);
825 585
826 if (tr_flags) 586 if (transparent)
827 XFreePixmap (dpy, root_pmap); 587 XFreePixmap (dpy, root_pmap);
828 588
829 return ret; 589 return ret;
830} 590}
831# endif /* HAVE_PIXBUF */ 591# endif /* HAVE_PIXBUF */
834rxvt_term::bg_set_file (const char *file) 594rxvt_term::bg_set_file (const char *file)
835{ 595{
836 if (!file || !*file) 596 if (!file || !*file)
837 return false; 597 return false;
838 598
599 bool ret = false;
839 if (const char *p = strchr (file, ';')) 600 const char *p = strchr (file, ';');
601
602 if (p)
840 { 603 {
841 size_t len = p - file; 604 size_t len = p - file;
842 char *f = rxvt_temp_buf<char> (len + 1); 605 char *f = rxvt_temp_buf<char> (len + 1);
843 memcpy (f, file, len); 606 memcpy (f, file, len);
844 f[len] = '\0'; 607 f[len] = '\0';
845 file = f; 608 file = f;
846 } 609 }
847 610
848# ifdef HAVE_AFTERIMAGE
849 if (!asimman)
850 asimman = create_generic_imageman (rs[Rs_path]);
851 ASImage *image = get_asimage (asimman, file, 0xFFFFFFFF, 100);
852 if (image)
853 {
854 if (original_asim)
855 safe_asimage_destroy (original_asim);
856 original_asim = image;
857 bg_flags |= BG_IS_FROM_FILE | BG_CLIENT_RENDER;
858 return true;
859 }
860# endif
861
862# ifdef HAVE_PIXBUF 611# ifdef HAVE_PIXBUF
863 GdkPixbuf *image = gdk_pixbuf_new_from_file (file, NULL); 612 GdkPixbuf *image = gdk_pixbuf_new_from_file (file, NULL);
864 if (image) 613 if (image)
865 { 614 {
866 if (pixbuf) 615 if (pixbuf)
867 g_object_unref (pixbuf); 616 g_object_unref (pixbuf);
868 pixbuf = image; 617 pixbuf = image;
869 bg_flags |= BG_IS_FROM_FILE; 618 bg_flags |= BG_IS_FROM_FILE;
870 return true; 619 ret = true;
871 } 620 }
872# endif 621# endif
873 622
623 if (ret)
624 {
625 if (p)
626 bg_set_geometry (p + 1);
627 else
628 bg_set_default_geometry ();
629 }
630
874 return false; 631 return ret;
875} 632}
876 633
877# endif /* BG_IMAGE_FROM_FILE */ 634# endif /* BG_IMAGE_FROM_FILE */
878 635
879# ifdef ENABLE_TRANSPARENCY 636# ifdef ENABLE_TRANSPARENCY
915 { 672 {
916 changed = true; 673 changed = true;
917 v_blurRadius = vr; 674 v_blurRadius = vr;
918 } 675 }
919 676
920 if (v_blurRadius == 0 && h_blurRadius == 0) 677 if (h_blurRadius && v_blurRadius)
678 bg_flags |= BG_NEEDS_BLUR;
679 else
921 bg_flags &= ~BG_NEEDS_BLUR; 680 bg_flags &= ~BG_NEEDS_BLUR;
922 else
923 bg_flags |= BG_NEEDS_BLUR;
924 681
925 return changed; 682 return changed;
926} 683}
927 684
928void 685void
929rxvt_term::set_tint_shade_flags () 686rxvt_term::set_tint_shade_flags ()
930{ 687{
931 rgba c (rgba::MAX_CC,rgba::MAX_CC,rgba::MAX_CC); 688 if (shade != 100 || (bg_flags & BG_TINT_SET))
932 bool has_shade = shade != 100; 689 bg_flags |= BG_NEEDS_TINT;
690 else
691 bg_flags &= ~BG_NEEDS_TINT;
692}
933 693
694bool
695rxvt_term::bg_set_tint (rxvt_color &new_tint)
696{
697 if (!(bg_flags & BG_TINT_SET) || tint != new_tint)
698 {
699 tint = new_tint;
934 bg_flags &= ~BG_TINT_FLAGS; 700 bg_flags |= BG_TINT_SET;
935 701
936 if (bg_flags & BG_TINT_SET) 702 rgba c;
937 {
938 tint.get (c); 703 tint.get (c);
939 if (!has_shade
940 && (c.r <= 0x00ff || c.r >= 0xff00) 704 if ((c.r <= 0x00ff || c.r >= 0xff00)
941 && (c.g <= 0x00ff || c.g >= 0xff00) 705 && (c.g <= 0x00ff || c.g >= 0xff00)
942 && (c.b <= 0x00ff || c.b >= 0xff00)) 706 && (c.b <= 0x00ff || c.b >= 0xff00))
943 bg_flags |= BG_TINT_BITAND; 707 bg_flags |= BG_TINT_BITAND;
944 } 708 else
945
946 if (has_shade || (bg_flags & BG_TINT_SET))
947 bg_flags |= BG_NEEDS_TINT;
948}
949
950bool
951rxvt_term::bg_set_tint (rxvt_color &new_tint)
952{
953 if (!(bg_flags & BG_TINT_SET) || tint != new_tint)
954 {
955 tint = new_tint;
956 bg_flags |= BG_TINT_SET; 709 bg_flags &= ~BG_TINT_BITAND;
710
957 set_tint_shade_flags (); 711 set_tint_shade_flags ();
958 return true; 712 return true;
959 } 713 }
960 714
961 return false; 715 return false;
962} 716}
963 717
964bool 718bool
965rxvt_term::bg_set_shade (const char *shade_str) 719rxvt_term::bg_set_shade (const char *shade_str)
966{ 720{
967 int new_shade = (shade_str) ? atoi (shade_str) : 100; 721 int new_shade = atoi (shade_str);
968 722
969 clamp_it (new_shade, -100, 200); 723 clamp_it (new_shade, -100, 200);
970 if (new_shade < 0) 724 if (new_shade < 0)
971 new_shade = 200 - (100 + new_shade); 725 new_shade = 200 - (100 + new_shade);
972 726
1002 params[i+2] = XDoubleToFixed (kernel[i] / sum); 756 params[i+2] = XDoubleToFixed (kernel[i] / sum);
1003} 757}
1004#endif 758#endif
1005 759
1006bool 760bool
1007rxvt_term::blur_pixmap (Pixmap pixmap, Visual *visual, int width, int height) 761rxvt_term::blur_pixmap (Pixmap pixmap, Visual *visual, int width, int height, int depth)
1008{ 762{
1009 bool ret = false; 763 bool ret = false;
1010#if XRENDER 764#if XRENDER
765 if (!(bg_flags & BG_HAS_RENDER_CONV))
766 return false;
767
1011 int size = max (h_blurRadius, v_blurRadius) * 2 + 1; 768 int size = max (h_blurRadius, v_blurRadius) * 2 + 1;
1012 double *kernel = (double *)malloc (size * sizeof (double)); 769 double *kernel = (double *)malloc (size * sizeof (double));
1013 XFixed *params = (XFixed *)malloc ((size + 2) * sizeof (XFixed)); 770 XFixed *params = (XFixed *)malloc ((size + 2) * sizeof (XFixed));
1014 771
1015 XRenderPictureAttributes pa; 772 XRenderPictureAttributes pa;
1016 XRenderPictFormat *format = XRenderFindVisualFormat (dpy, visual); 773 XRenderPictFormat *format = XRenderFindVisualFormat (dpy, visual);
1017 774
775 pa.repeat = RepeatPad;
1018 Picture src = XRenderCreatePicture (dpy, pixmap, format, 0, &pa); 776 Picture src = XRenderCreatePicture (dpy, pixmap, format, CPRepeat, &pa);
777 Pixmap tmp = XCreatePixmap (dpy, pixmap, width, height, depth);
1019 Picture dst = XRenderCreatePicture (dpy, pixmap, format, 0, &pa); 778 Picture dst = XRenderCreatePicture (dpy, tmp, format, CPRepeat, &pa);
779 XFreePixmap (dpy, tmp);
1020 780
1021 if (kernel && params) 781 if (kernel && params)
1022 { 782 {
1023 if (h_blurRadius)
1024 {
1025 size = h_blurRadius * 2 + 1; 783 size = h_blurRadius * 2 + 1;
1026 get_gaussian_kernel (h_blurRadius, size, kernel, params); 784 get_gaussian_kernel (h_blurRadius, size, kernel, params);
1027 785
1028 XRenderSetPictureFilter (dpy, src, FilterConvolution, params, size+2); 786 XRenderSetPictureFilter (dpy, src, FilterConvolution, params, size+2);
1029 XRenderComposite (dpy, 787 XRenderComposite (dpy,
1030 PictOpSrc, 788 PictOpSrc,
1031 src, 789 src,
1032 None, 790 None,
1033 dst, 791 dst,
1034 0, 0, 792 0, 0,
1035 0, 0, 793 0, 0,
1036 0, 0, 794 0, 0,
1037 width, height); 795 width, height);
1038 }
1039 796
1040 if (v_blurRadius) 797 ::swap (src, dst);
1041 { 798
1042 size = v_blurRadius * 2 + 1; 799 size = v_blurRadius * 2 + 1;
1043 get_gaussian_kernel (v_blurRadius, size, kernel, params); 800 get_gaussian_kernel (v_blurRadius, size, kernel, params);
1044 ::swap (params[0], params[1]); 801 ::swap (params[0], params[1]);
1045 802
1046 XRenderSetPictureFilter (dpy, src, FilterConvolution, params, size+2); 803 XRenderSetPictureFilter (dpy, src, FilterConvolution, params, size+2);
1047 XRenderComposite (dpy, 804 XRenderComposite (dpy,
1048 PictOpSrc, 805 PictOpSrc,
1049 src, 806 src,
1050 None, 807 None,
1051 dst, 808 dst,
1052 0, 0, 809 0, 0,
1053 0, 0, 810 0, 0,
1054 0, 0, 811 0, 0,
1055 width, height); 812 width, height);
1056 }
1057 813
1058 ret = true; 814 ret = true;
1059 } 815 }
1060 816
1061 free (kernel); 817 free (kernel);
1069bool 825bool
1070rxvt_term::tint_pixmap (Pixmap pixmap, Visual *visual, int width, int height) 826rxvt_term::tint_pixmap (Pixmap pixmap, Visual *visual, int width, int height)
1071{ 827{
1072 bool ret = false; 828 bool ret = false;
1073 829
1074 if (bg_flags & BG_TINT_BITAND) 830 if (shade == 100 && (bg_flags & BG_TINT_BITAND))
1075 { 831 {
1076 XGCValues gcv; 832 XGCValues gcv;
1077 GC gc; 833 GC gc;
1078 834
1079 /* In this case we can tint image server-side getting significant 835 /* In this case we can tint image server-side getting significant
1088 XFillRectangle (dpy, pixmap, gc, 0, 0, width, height); 844 XFillRectangle (dpy, pixmap, gc, 0, 0, width, height);
1089 ret = true; 845 ret = true;
1090 XFreeGC (dpy, gc); 846 XFreeGC (dpy, gc);
1091 } 847 }
1092 } 848 }
1093 else
1094 {
1095# if XRENDER 849# if XRENDER
850 else if (bg_flags & BG_HAS_RENDER)
851 {
1096 rgba c (rgba::MAX_CC, rgba::MAX_CC, rgba::MAX_CC); 852 rgba c (rgba::MAX_CC, rgba::MAX_CC, rgba::MAX_CC);
1097 853
1098 if (bg_flags & BG_TINT_SET) 854 if (bg_flags & BG_TINT_SET)
1099 tint.get (c); 855 tint.get (c);
1100 856
1109 c.r = c.r * (200 - shade) / 100; 865 c.r = c.r * (200 - shade) / 100;
1110 c.g = c.g * (200 - shade) / 100; 866 c.g = c.g * (200 - shade) / 100;
1111 c.b = c.b * (200 - shade) / 100; 867 c.b = c.b * (200 - shade) / 100;
1112 } 868 }
1113 869
1114 XRenderPictFormat *solid_format = XRenderFindStandardFormat (dpy, PictStandardARGB32);
1115 XRenderPictFormat *format = XRenderFindVisualFormat (dpy, visual); 870 XRenderPictFormat *format = XRenderFindVisualFormat (dpy, visual);
1116 XRenderPictureAttributes pa;
1117 871
1118 Picture back_pic = XRenderCreatePicture (dpy, pixmap, format, 0, &pa); 872 Picture back_pic = XRenderCreatePicture (dpy, pixmap, format, 0, 0);
1119 873
1120 pa.repeat = True; 874 Picture overlay_pic = create_xrender_mask (dpy, pixmap, True, False);
1121 875
1122 Pixmap overlay_pmap = XCreatePixmap (dpy, pixmap, 1, 1, 32); 876 Picture mask_pic = create_xrender_mask (dpy, pixmap, True, True);
1123 Picture overlay_pic = XRenderCreatePicture (dpy, overlay_pmap, solid_format, CPRepeat, &pa);
1124 XFreePixmap (dpy, overlay_pmap);
1125
1126 pa.component_alpha = True;
1127 Pixmap mask_pmap = XCreatePixmap (dpy, pixmap, 1, 1, 32);
1128 Picture mask_pic = XRenderCreatePicture (dpy, mask_pmap, solid_format, CPRepeat | CPComponentAlpha, &pa);
1129 XFreePixmap (dpy, mask_pmap);
1130 877
1131 XRenderColor mask_c; 878 XRenderColor mask_c;
1132 879
1133 mask_c.alpha = 0xffff; 880 mask_c.alpha = 0xffff;
1134 mask_c.red = 881 mask_c.red =
1139 mask_c.alpha = 0; 886 mask_c.alpha = 0;
1140 mask_c.red = 0xffff - c.r; 887 mask_c.red = 0xffff - c.r;
1141 mask_c.green = 0xffff - c.g; 888 mask_c.green = 0xffff - c.g;
1142 mask_c.blue = 0xffff - c.b; 889 mask_c.blue = 0xffff - c.b;
1143 XRenderFillRectangle (dpy, PictOpSrc, mask_pic, &mask_c, 0, 0, 1, 1); 890 XRenderFillRectangle (dpy, PictOpSrc, mask_pic, &mask_c, 0, 0, 1, 1);
891
1144 XRenderComposite (dpy, PictOpOver, overlay_pic, mask_pic, back_pic, 0, 0, 0, 0, 0, 0, width, height); 892 XRenderComposite (dpy, PictOpOver, overlay_pic, mask_pic, back_pic, 0, 0, 0, 0, 0, 0, width, height);
1145 893
1146 if (shade > 100) 894 if (shade > 100)
1147 { 895 {
1148 mask_c.red = mask_c.green = mask_c.blue = 0xffff * (shade - 100) / 100;
1149 mask_c.alpha = 0; 896 mask_c.alpha = 0;
897 mask_c.red =
898 mask_c.green =
899 mask_c.blue = 0xffff * (shade - 100) / 100;
1150 XRenderFillRectangle (dpy, PictOpSrc, overlay_pic, &mask_c, 0, 0, 1, 1); 900 XRenderFillRectangle (dpy, PictOpSrc, overlay_pic, &mask_c, 0, 0, 1, 1);
1151 901
1152 XRenderComposite (dpy, PictOpOver, overlay_pic, None, back_pic, 0, 0, 0, 0, 0, 0, width, height); 902 XRenderComposite (dpy, PictOpOver, overlay_pic, None, back_pic, 0, 0, 0, 0, 0, 0, width, height);
1153 } 903 }
1154 904
1155 ret = true; 905 ret = true;
1156 906
1157 XRenderFreePicture (dpy, mask_pic); 907 XRenderFreePicture (dpy, mask_pic);
1158 XRenderFreePicture (dpy, overlay_pic); 908 XRenderFreePicture (dpy, overlay_pic);
1159 XRenderFreePicture (dpy, back_pic); 909 XRenderFreePicture (dpy, back_pic);
910 }
1160# endif 911# endif
1161 }
1162 912
1163 return ret; 913 return ret;
1164} 914}
1165 915
1166/* 916/*
1167 * Builds a pixmap of the same size as the terminal window that contains 917 * Builds a pixmap of the same size as the terminal window that contains
1168 * the tiled portion of the root pixmap that is supposed to be covered by 918 * the tiled portion of the root pixmap that is supposed to be covered by
1169 * our window. 919 * our window.
1170 */ 920 */
1171unsigned long 921bool
1172rxvt_term::make_transparency_pixmap () 922rxvt_term::make_transparency_pixmap ()
1173{ 923{
1174 unsigned long result = 0; 924 bool ret = false;
1175 925
1176 /* root dimensions may change from call to call - but Display structure should 926 /* root dimensions may change from call to call - but Display structure should
1177 * be always up-to-date, so let's use it : 927 * be always up-to-date, so let's use it :
1178 */ 928 */
1179 int screen = display->screen; 929 int screen = display->screen;
1217#if XRENDER 967#if XRENDER
1218 if (bg_flags & BG_HAS_RENDER) 968 if (bg_flags & BG_HAS_RENDER)
1219 { 969 {
1220 recoded_root_pmap = XCreatePixmap (dpy, vt, root_pmap_width, root_pmap_height, depth); 970 recoded_root_pmap = XCreatePixmap (dpy, vt, root_pmap_width, root_pmap_height, depth);
1221 971
1222 XRenderPictureAttributes pa;
1223
1224 XRenderPictFormat *src_format = XRenderFindVisualFormat (dpy, DefaultVisual (dpy, screen)); 972 XRenderPictFormat *src_format = XRenderFindVisualFormat (dpy, DefaultVisual (dpy, screen));
1225 Picture src = XRenderCreatePicture (dpy, root_pixmap, src_format, 0, &pa); 973 Picture src = XRenderCreatePicture (dpy, root_pixmap, src_format, 0, 0);
1226 974
1227 XRenderPictFormat *dst_format = XRenderFindVisualFormat (dpy, visual); 975 XRenderPictFormat *dst_format = XRenderFindVisualFormat (dpy, visual);
1228 Picture dst = XRenderCreatePicture (dpy, recoded_root_pmap, dst_format, 0, &pa); 976 Picture dst = XRenderCreatePicture (dpy, recoded_root_pmap, dst_format, 0, 0);
1229 977
1230 XRenderComposite (dpy, PictOpSrc, src, None, dst, 0, 0, 0, 0, 0, 0, root_pmap_width, root_pmap_height); 978 XRenderComposite (dpy, PictOpSrc, src, None, dst, 0, 0, 0, 0, 0, 0, root_pmap_width, root_pmap_height);
1231 979
1232 XRenderFreePicture (dpy, src); 980 XRenderFreePicture (dpy, src);
1233 XRenderFreePicture (dpy, dst); 981 XRenderFreePicture (dpy, dst);
1250 bg_pmap_width = window_width; 998 bg_pmap_width = window_width;
1251 bg_pmap_height = window_height; 999 bg_pmap_height = window_height;
1252 } 1000 }
1253 1001
1254 /* straightforward pixmap copy */ 1002 /* straightforward pixmap copy */
1255 while (sx < 0) sx += root_width; 1003 while (sx < 0) sx += root_pmap_width;
1256 while (sy < 0) sy += root_height; 1004 while (sy < 0) sy += root_pmap_height;
1257 1005
1258 gcv.tile = recoded_root_pmap; 1006 gcv.tile = recoded_root_pmap;
1259 gcv.fill_style = FillTiled; 1007 gcv.fill_style = FillTiled;
1260 gcv.ts_x_origin = -sx; 1008 gcv.ts_x_origin = -sx;
1261 gcv.ts_y_origin = -sy; 1009 gcv.ts_y_origin = -sy;
1262 gc = XCreateGC (dpy, vt, GCFillStyle | GCTile | GCTileStipXOrigin | GCTileStipYOrigin, &gcv); 1010 gc = XCreateGC (dpy, vt, GCFillStyle | GCTile | GCTileStipXOrigin | GCTileStipYOrigin, &gcv);
1263 1011
1264 if (gc) 1012 if (gc)
1265 { 1013 {
1266 XFillRectangle (dpy, bg_pixmap, gc, 0, 0, window_width, window_height); 1014 XFillRectangle (dpy, bg_pixmap, gc, 0, 0, window_width, window_height);
1267 result |= BG_IS_VALID | (bg_flags & BG_EFFECTS_FLAGS); 1015 ret = true;
1016 unsigned long tr_flags = bg_flags & BG_EFFECTS_FLAGS;
1017
1018 if (!(bg_flags & BG_CLIENT_RENDER))
1019 {
1020 if (bg_flags & BG_NEEDS_BLUR)
1021 {
1022 if (blur_pixmap (bg_pixmap, visual, window_width, window_height, depth))
1023 tr_flags &= ~BG_NEEDS_BLUR;
1024 }
1025 if (bg_flags & BG_NEEDS_TINT)
1026 {
1027 if (tint_pixmap (bg_pixmap, visual, window_width, window_height))
1028 tr_flags &= ~BG_NEEDS_TINT;
1029 }
1030 if (tr_flags & BG_NEEDS_TINT)
1031 {
1032 XImage *ximage = XGetImage (dpy, bg_pixmap, 0, 0, bg_pmap_width, bg_pmap_height, AllPlanes, ZPixmap);
1033 if (ximage)
1034 {
1035 /* our own client-side tinting */
1036 tint_ximage (DefaultVisual (dpy, display->screen), ximage);
1037
1038 XPutImage (dpy, bg_pixmap, gc, ximage, 0, 0, 0, 0, ximage->width, ximage->height);
1039 XDestroyImage (ximage);
1040 }
1041 }
1042 } /* server side rendering completed */
1043
1268 XFreeGC (dpy, gc); 1044 XFreeGC (dpy, gc);
1269
1270 if (!(bg_flags & BG_CLIENT_RENDER))
1271 {
1272 if ((bg_flags & BG_NEEDS_BLUR)
1273 && (bg_flags & BG_HAS_RENDER_CONV))
1274 {
1275 if (blur_pixmap (bg_pixmap, visual, window_width, window_height))
1276 result &= ~BG_NEEDS_BLUR;
1277 }
1278 if ((bg_flags & BG_NEEDS_TINT)
1279 && (bg_flags & (BG_TINT_BITAND | BG_HAS_RENDER)))
1280 {
1281 if (tint_pixmap (bg_pixmap, visual, window_width, window_height))
1282 result &= ~BG_NEEDS_TINT;
1283 }
1284 } /* server side rendering completed */
1285 } 1045 }
1286 1046
1287 if (recoded_root_pmap != root_pixmap) 1047 if (recoded_root_pmap != root_pixmap)
1288 XFreePixmap (dpy, recoded_root_pmap); 1048 XFreePixmap (dpy, recoded_root_pmap);
1289 1049
1290 return result; 1050 return ret;
1291} 1051}
1292 1052
1293void 1053void
1294rxvt_term::bg_set_root_pixmap () 1054rxvt_term::bg_set_root_pixmap ()
1295{ 1055{
1299 1059
1300 root_pixmap = new_root_pixmap; 1060 root_pixmap = new_root_pixmap;
1301} 1061}
1302# endif /* ENABLE_TRANSPARENCY */ 1062# endif /* ENABLE_TRANSPARENCY */
1303 1063
1304#if defined(ENABLE_TRANSPARENCY) && !defined(HAVE_AFTERIMAGE)
1305static void shade_ximage (Visual *visual, XImage *ximage, int shade, const rgba &c);
1306# endif
1307
1308bool 1064bool
1309rxvt_term::bg_render () 1065rxvt_term::bg_render ()
1310{ 1066{
1311 unsigned long tr_flags = 0; 1067 bool transparent = false;
1312 1068
1313 bg_invalidate (); 1069 bg_invalidate ();
1314# ifdef ENABLE_TRANSPARENCY 1070# ifdef ENABLE_TRANSPARENCY
1315 if (bg_flags & BG_IS_TRANSPARENT) 1071 if (bg_flags & BG_IS_TRANSPARENT)
1316 { 1072 {
1317 /* we need to re-generate transparency pixmap in that case ! */ 1073 /* we need to re-generate transparency pixmap in that case ! */
1318 tr_flags = make_transparency_pixmap (); 1074 transparent = make_transparency_pixmap ();
1319 if (tr_flags == 0) 1075 if (transparent)
1320 return false;
1321 else if (!(tr_flags & BG_EFFECTS_FLAGS))
1322 bg_flags |= BG_IS_VALID; 1076 bg_flags |= BG_IS_VALID;
1323 } 1077 }
1324# endif 1078# endif
1325 1079
1326# ifdef BG_IMAGE_FROM_FILE 1080# ifdef BG_IMAGE_FROM_FILE
1327 if ((bg_flags & BG_IS_FROM_FILE) 1081 if (bg_flags & BG_IS_FROM_FILE)
1328 || (tr_flags & BG_EFFECTS_FLAGS))
1329 { 1082 {
1330 if (render_image (tr_flags)) 1083 if (render_image (transparent))
1331 bg_flags |= BG_IS_VALID; 1084 bg_flags |= BG_IS_VALID;
1332 }
1333# endif
1334
1335# if defined(ENABLE_TRANSPARENCY) && !defined(HAVE_AFTERIMAGE)
1336 XImage *result = NULL;
1337
1338 if (tr_flags && !(bg_flags & BG_IS_VALID))
1339 {
1340 result = XGetImage (dpy, bg_pixmap, 0, 0, bg_pmap_width, bg_pmap_height, AllPlanes, ZPixmap);
1341 }
1342
1343 if (result)
1344 {
1345 /* our own client-side tinting */
1346 if (tr_flags & BG_NEEDS_TINT)
1347 {
1348 rgba c (rgba::MAX_CC,rgba::MAX_CC,rgba::MAX_CC);
1349 if (bg_flags & BG_TINT_SET)
1350 tint.get (c);
1351 shade_ximage (DefaultVisual (dpy, display->screen), result, shade, c);
1352 }
1353
1354 GC gc = XCreateGC (dpy, vt, 0UL, NULL);
1355
1356 if (gc)
1357 {
1358 XPutImage (dpy, bg_pixmap, gc, result, 0, 0, 0, 0, result->width, result->height);
1359
1360 XFreeGC (dpy, gc);
1361 bg_flags |= BG_IS_VALID;
1362 }
1363
1364 XDestroyImage (result);
1365 } 1085 }
1366# endif 1086# endif
1367 1087
1368 if (!(bg_flags & BG_IS_VALID)) 1088 if (!(bg_flags & BG_IS_VALID))
1369 { 1089 {
1406#endif 1126#endif
1407} 1127}
1408 1128
1409#endif /* HAVE_BG_PIXMAP */ 1129#endif /* HAVE_BG_PIXMAP */
1410 1130
1411#if defined(ENABLE_TRANSPARENCY) && !defined(HAVE_AFTERIMAGE) 1131#ifdef ENABLE_TRANSPARENCY
1412/* taken from aterm-0.4.2 */ 1132/* based on code from aterm-0.4.2 */
1413 1133
1414static void 1134static inline void
1415shade_ximage (Visual *visual, XImage *ximage, int shade, const rgba &c) 1135fill_lut (uint32_t *lookup, uint32_t mask, int sh, unsigned short low, unsigned short high)
1136{
1137 for (int i = 0; i <= mask >> sh; i++)
1138 {
1139 uint32_t tmp;
1140 tmp = i * high;
1141 tmp += (mask >> sh) * low;
1142 lookup[i] = (tmp / 0xffff) << sh;
1143 }
1144}
1145
1146void
1147rxvt_term::tint_ximage (Visual *visual, XImage *ximage)
1416{ 1148{
1417 int sh_r, sh_g, sh_b; 1149 int sh_r, sh_g, sh_b;
1418 uint32_t mask_r, mask_g, mask_b; 1150 uint32_t mask_r, mask_g, mask_b;
1419 uint32_t *lookup, *lookup_r, *lookup_g, *lookup_b; 1151 uint32_t *lookup, *lookup_r, *lookup_g, *lookup_b;
1420 rgba low; 1152 unsigned short low;
1421 rgba high;
1422 int i;
1423 int host_byte_order = ecb_big_endian () ? MSBFirst : LSBFirst; 1153 int host_byte_order = ecb_big_endian () ? MSBFirst : LSBFirst;
1424 1154
1425 if (visual->c_class != TrueColor || ximage->format != ZPixmap) return; 1155 if (visual->c_class != TrueColor || ximage->format != ZPixmap) return;
1426 1156
1427 /* for convenience */ 1157 /* for convenience */
1486 break; 1216 break;
1487 default: 1217 default:
1488 return; /* we do not support this color depth */ 1218 return; /* we do not support this color depth */
1489 } 1219 }
1490 1220
1221 rgba c (rgba::MAX_CC, rgba::MAX_CC, rgba::MAX_CC);
1222
1223 if (bg_flags & BG_TINT_SET)
1224 tint.get (c);
1225
1491 /* prepare limits for color transformation (each channel is handled separately) */ 1226 /* prepare limits for color transformation (each channel is handled separately) */
1492 if (shade > 100) 1227 if (shade > 100)
1493 { 1228 {
1494 shade = 200 - shade;
1495
1496 high.r = c.r * shade / 100;
1497 high.g = c.g * shade / 100;
1498 high.b = c.b * shade / 100;
1499
1500 low.r = 65535 * (100 - shade) / 100; 1229 c.r = c.r * (200 - shade) / 100;
1501 low.g = 65535 * (100 - shade) / 100; 1230 c.g = c.g * (200 - shade) / 100;
1502 low.b = 65535 * (100 - shade) / 100; 1231 c.b = c.b * (200 - shade) / 100;
1232
1233 low = 0xffff * (shade - 100) / 100;
1503 } 1234 }
1504 else 1235 else
1505 { 1236 {
1506 high.r = c.r * shade / 100; 1237 c.r = c.r * shade / 100;
1507 high.g = c.g * shade / 100; 1238 c.g = c.g * shade / 100;
1508 high.b = c.b * shade / 100; 1239 c.b = c.b * shade / 100;
1509 1240
1510 low.r = low.g = low.b = 0; 1241 low = 0;
1511 } 1242 }
1512 1243
1513 /* fill our lookup tables */ 1244 /* fill our lookup tables */
1514 for (i = 0; i <= mask_r>>sh_r; i++) 1245 fill_lut (lookup_r, mask_r, sh_r, low, c.r);
1515 { 1246 fill_lut (lookup_g, mask_g, sh_g, low, c.g);
1516 uint32_t tmp; 1247 fill_lut (lookup_b, mask_b, sh_b, low, c.b);
1517 tmp = i * high.r;
1518 tmp += (mask_r>>sh_r) * low.r;
1519 lookup_r[i] = (tmp/65535)<<sh_r;
1520 }
1521 for (i = 0; i <= mask_g>>sh_g; i++)
1522 {
1523 uint32_t tmp;
1524 tmp = i * high.g;
1525 tmp += (mask_g>>sh_g) * low.g;
1526 lookup_g[i] = (tmp/65535)<<sh_g;
1527 }
1528 for (i = 0; i <= mask_b>>sh_b; i++)
1529 {
1530 uint32_t tmp;
1531 tmp = i * high.b;
1532 tmp += (mask_b>>sh_b) * low.b;
1533 lookup_b[i] = (tmp/65535)<<sh_b;
1534 }
1535 1248
1536 /* apply table to input image (replacing colors by newly calculated ones) */ 1249 /* apply table to input image (replacing colors by newly calculated ones) */
1537 if (ximage->bits_per_pixel == 32 1250 if (ximage->bits_per_pixel == 32
1538 && (ximage->depth == 24 || ximage->depth == 32) 1251 && (ximage->depth == 24 || ximage->depth == 32)
1539 && ximage->byte_order == host_byte_order) 1252 && ximage->byte_order == host_byte_order)
1569 } 1282 }
1570 } 1283 }
1571 1284
1572 free (lookup); 1285 free (lookup);
1573} 1286}
1574#endif /* defined(ENABLE_TRANSPARENCY) && !defined(HAVE_AFTERIMAGE) */ 1287#endif /* ENABLE_TRANSPARENCY */

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