[ViewVC] Diff of: cvs/rxvt-unicode/src/background.C

Comparing rxvt-unicode/src/background.C (file contents):
Revision 1.164 by sf-exg, Sun Aug 14 22:01:25 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	*/
52		40
53	#ifdef HAVE_BG_PIXMAP	41	#ifdef HAVE_BG_PIXMAP
		42	# if XRENDER
		43	static Picture
		44	create_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
54	void	60	void
55	rxvt_term::bg_destroy ()	61	rxvt_term::bg_destroy ()
56	{	62	{
57	#ifdef HAVE_AFTERIMAGE
58	if (original_asim)
59	safe_asimage_destroy (original_asim);
60	if (asv)
61	destroy_asvisual (asv, 0);
62	if (asimman)
63	destroy_image_manager (asimman, 0);
64	#endif
65
66	#ifdef HAVE_PIXBUF	63	#ifdef HAVE_PIXBUF
67	if (pixbuf)	64	if (pixbuf)
68	g_object_unref (pixbuf);	65	g_object_unref (pixbuf);
69	#endif	66	#endif
70		67
…		…
123		120
124	return false;	121	return false;
125	}	122	}
126		123
127	# ifdef BG_IMAGE_FROM_FILE	124	# ifdef BG_IMAGE_FROM_FILE
128	static inline bool
129	check_set_scale_value (int geom_flags, int flag, unsigned int &scale, unsigned int new_value)
130	{
131	if (geom_flags & flag)
132	{
133	if (new_value > 1000)
134	new_value = 1000;
135	if (new_value != scale)
136	{
137	scale = new_value;
138	return true;
139	}
140	}
141	return false;
142	}
143
144	static inline bool
145	check_set_align_value (int geom_flags, int flag, int &align, int new_value)
146	{
147	if (geom_flags & flag)
148	{
149	if (new_value < -100)
150	new_value = -100;
151	else if (new_value > 200)
152	new_value = 200;
153	if (new_value != align)
154	{
155	align = new_value;
156	return true;
157	}
158	}
159	return false;
160	}
161
162	static inline int	125	static inline int
163	make_align_position (int align, int window_size, int image_size)	126	make_align_position (int align, int window_size, int image_size)
164	{	127	{
165	int diff = window_size - image_size;
166	int smaller = min (image_size, window_size);
167
168	if (align >= 0 && align <= 100)	128	if (align >= 0 && align <= 100)
169	return diff * align / 100;	129	return lerp (0, window_size - image_size, align);
170	else if (align > 100 && align <= 200)	130	else if (align > 100)
171	return ((align - 100) * smaller / 100) + window_size - smaller;	131	return lerp (window_size - image_size, window_size, align - 100);
172	else if (align >= -100 && align < 0)	132	else
173	return ((align + 100) * smaller / 100) - image_size;	133	return lerp (-image_size, 0, align + 100);
174	return 0;
175	}	134	}
176		135
177	static inline int	136	static inline int
178	make_clip_rectangle (int pos, int size, int target_size, int &dst_pos, int &dst_size)	137	make_clip_rectangle (int pos, int size, int target_size, int &dst_pos, int &dst_size)
179	{	138	{
…		…
185	src_pos = -pos;	144	src_pos = -pos;
186	dst_pos = 0;	145	dst_pos = 0;
187	dst_size += pos;	146	dst_size += pos;
188	}	147	}
189		148
190	if (dst_pos + dst_size > target_size)
191	dst_size = target_size - dst_pos;	149	min_it (dst_size, target_size - dst_pos);
192	return src_pos;	150	return src_pos;
193	}	151	}
194		152
195	bool	153	bool
196	rxvt_term::bg_set_geometry (const char *geom, bool update)	154	rxvt_term::bg_set_geometry (const char *geom, bool update)
197	{	155	{
198	bool changed = false;	156	bool changed = false;
199	int geom_flags = 0;	157	int geom_flags = 0;
200	int x = 0, y = 0;	158	int x = h_align;
		159	int y = v_align;
201	unsigned int w = 0, h = 0;	160	unsigned int w = h_scale;
202	unsigned long new_flags = (bg_flags & (~BG_GEOMETRY_FLAGS));	161	unsigned int h = v_scale;
		162	unsigned long new_flags = 0;
203		163
204	if (geom == NULL)	164	if (geom == NULL)
205	return false;	165	return false;
206		166
207	if (geom[0])	167	if (geom[0])
208	{	168	{
209	char **arr = rxvt_strsplit (':', geom);	169	char **arr = rxvt_strsplit (':', geom);
210		170
211	for (int i = 0; arr[i]; i++)	171	for (int i = 0; arr[i]; i++)
212	{	172	{
213	if (!strcasecmp (arr[i], "style=tiled"))	173	if (!strcasecmp (arr[i], "style=tiled"))
214	{	174	{
215	new_flags = BG_TILE;	175	new_flags = BG_TILE;
216	w = h = noScale;	176	w = h = noScale;
217	x = y = 0;	177	x = y = 0;
218	geom_flags = WidthValue\|HeightValue\|XValue\|YValue;	178	geom_flags = WidthValue\|HeightValue\|XValue\|YValue;
219	}	179	}
220	else if (!strcasecmp (arr[i], "style=aspect-stretched"))	180	else if (!strcasecmp (arr[i], "style=aspect-stretched"))
221	{	181	{
222	new_flags = BG_PROP_SCALE;	182	new_flags = BG_KEEP_ASPECT;
223	w = h = windowScale;	183	w = h = windowScale;
224	x = y = centerAlign;	184	x = y = centerAlign;
225	geom_flags = WidthValue\|HeightValue\|XValue\|YValue;	185	geom_flags = WidthValue\|HeightValue\|XValue\|YValue;
226	}	186	}
227	else if (!strcasecmp (arr[i], "style=stretched"))	187	else if (!strcasecmp (arr[i], "style=stretched"))
…		…
243	w = h = noScale;	203	w = h = noScale;
244	geom_flags = WidthValue\|HeightValue;	204	geom_flags = WidthValue\|HeightValue;
245	}	205	}
246	else if (!strcasecmp (arr[i], "op=tile"))	206	else if (!strcasecmp (arr[i], "op=tile"))
247	new_flags \|= BG_TILE;	207	new_flags \|= BG_TILE;
248	else if (!strcasecmp (arr[i], "op=pscale"))	208	else if (!strcasecmp (arr[i], "op=keep-aspect"))
249	new_flags \|= BG_PROP_SCALE;	209	new_flags \|= BG_KEEP_ASPECT;
250	else if (!strcasecmp (arr[i], "op=root"))	210	else if (!strcasecmp (arr[i], "op=root-align"))
251	new_flags \|= BG_ROOT_ALIGN;	211	new_flags \|= BG_ROOT_ALIGN;
252		212
253	// deprecated	213	// deprecated
254	else if (!strcasecmp (arr[i], "tile"))	214	else if (!strcasecmp (arr[i], "tile"))
255	{	215	{
…		…
257	w = h = noScale;	217	w = h = noScale;
258	geom_flags \|= WidthValue\|HeightValue;	218	geom_flags \|= WidthValue\|HeightValue;
259	}	219	}
260	else if (!strcasecmp (arr[i], "propscale"))	220	else if (!strcasecmp (arr[i], "propscale"))
261	{	221	{
262	new_flags \|= BG_PROP_SCALE;	222	new_flags \|= BG_KEEP_ASPECT;
		223	w = h = windowScale;
		224	geom_flags \|= WidthValue\|HeightValue;
263	}	225	}
264	else if (!strcasecmp (arr[i], "hscale"))	226	else if (!strcasecmp (arr[i], "hscale"))
265	{	227	{
266	new_flags \|= BG_TILE;	228	new_flags \|= BG_TILE;
267	w = windowScale;	229	w = windowScale;
…		…
297	geom_flags \|= XParseGeometry (arr[i], &x, &y, &w, &h);	259	geom_flags \|= XParseGeometry (arr[i], &x, &y, &w, &h);
298	} /* done parsing ops */	260	} /* done parsing ops */
299		261
300	rxvt_free_strsplit (arr);	262	rxvt_free_strsplit (arr);
301	}	263	}
		264
		265	new_flags \|= bg_flags & ~BG_GEOMETRY_FLAGS;
302		266
303	if (!update)	267	if (!update)
304	{	268	{
305	if (!(geom_flags & XValue))	269	if (!(geom_flags & XValue))
306	x = y = defaultAlign;	270	x = y = defaultAlign;
…		…
311	w = h = defaultScale;	275	w = h = defaultScale;
312	else if (!(geom_flags & HeightValue))	276	else if (!(geom_flags & HeightValue))
313	h = w;	277	h = w;
314	else if (!(geom_flags & WidthValue))	278	else if (!(geom_flags & WidthValue))
315	w = h;	279	w = h;
316
317	geom_flags \|= WidthValue\|HeightValue\|XValue\|YValue;
318	}	280	}
319		281
320	if (check_set_scale_value (geom_flags, WidthValue, h_scale, w)) changed = true;	282	min_it (w, 1000);
321	if (check_set_scale_value (geom_flags, HeightValue, v_scale, h)) changed = true;	283	min_it (h, 1000);
322	if (check_set_align_value (geom_flags, XValue, h_align, x)) changed = true;	284	clamp_it (x, -100, 200);
323	if (check_set_align_value (geom_flags, YValue, v_align, y)) changed = true;	285	clamp_it (y, -100, 200);
324		286
325	if (new_flags != bg_flags)	287	if (bg_flags != new_flags
		288	\|\| h_scale != w
		289	\|\| v_scale != h
		290	\|\| h_align != x
		291	\|\| v_align != y)
326	{	292	{
327	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;
328	changed = true;	298	changed = true;
329	}	299	}
330		300
331	return changed;	301	return changed;
332	}	302	}
…		…
338	int target_height = szHint.height;	308	int target_height = szHint.height;
339		309
340	w = h_scale * target_width / 100;	310	w = h_scale * target_width / 100;
341	h = v_scale * target_height / 100;	311	h = v_scale * target_height / 100;
342		312
343	if (bg_flags & BG_PROP_SCALE)	313	if (bg_flags & BG_KEEP_ASPECT)
344	{	314	{
345	float scale = (float)w / image_width;	315	float scale = (float)w / image_width;
346	min_it (scale, (float)h / image_height);	316	min_it (scale, (float)h / image_height);
347	w = image_width * scale + 0.5;	317	w = image_width * scale + 0.5;
348	h = image_height * scale + 0.5;	318	h = image_height * scale + 0.5;
…		…
360	{	330	{
361	x = make_align_position (h_align, target_width, w);	331	x = make_align_position (h_align, target_width, w);
362	y = make_align_position (v_align, target_height, h);	332	y = make_align_position (v_align, target_height, h);
363	}	333	}
364		334
365	bg_flags &= ~BG_IS_SIZE_SENSITIVE;
366	if (!(bg_flags & BG_TILE)	335	if (!(bg_flags & BG_TILE)
367	\|\| h_scale \|\| v_scale	336	\|\| h_scale \|\| v_scale
368	\|\| (!(bg_flags & BG_ROOT_ALIGN) && (h_align \|\| v_align))	337	\|\| (!(bg_flags & BG_ROOT_ALIGN) && (h_align \|\| v_align))
369	\|\| w > target_width \|\| h > target_height)	338	\|\| image_width > target_width \|\| image_height > target_height)
370	bg_flags \|= BG_IS_SIZE_SENSITIVE;	339	bg_flags \|= BG_IS_SIZE_SENSITIVE;
371	}
372
373	# ifdef HAVE_AFTERIMAGE
374	bool
375	rxvt_term::render_image (unsigned long tr_flags)
376	{
377	init_asv ();
378
379	ASImage *background = NULL;
380	ARGB32 background_tint = TINT_LEAVE_SAME;
381
382	# ifdef ENABLE_TRANSPARENCY
383	if (tr_flags)
384	background = pixmap2ximage (asv, bg_pixmap, 0, 0, bg_pmap_width, bg_pmap_height, AllPlanes, 100);
385
386	if (tr_flags & BG_NEEDS_TINT)
387	{
388	ShadingInfo as_shade;
389	as_shade.shading = shade;
390
391	rgba c (rgba::MAX_CC,rgba::MAX_CC,rgba::MAX_CC);
392	if (bg_flags & BG_TINT_SET)
393	tint.get (c);
394	as_shade.tintColor.red = c.r;
395	as_shade.tintColor.green = c.g;
396	as_shade.tintColor.blue = c.b;
397
398	background_tint = shading2tint32 (&as_shade);
399	}
400
401	if ((tr_flags & BG_NEEDS_BLUR) && background != NULL)
402	{
403	ASImage *tmp = blur_asimage_gauss (asv, background, h_blurRadius, v_blurRadius, 0xFFFFFFFF,
404	(original_asim == NULL \|\| tint == TINT_LEAVE_SAME) ? ASA_XImage : ASA_ASImage,
405	100, ASIMAGE_QUALITY_DEFAULT);
406	if (tmp)
407	{
408	destroy_asimage (&background);
409	background = tmp;
410	}
411	}
412	# endif
413
414	ASImage *result = 0;
415
416	int target_width = szHint.width;
417	int target_height = szHint.height;
418	int new_pmap_width = target_width;
419	int new_pmap_height = target_height;
420
421	int x = 0;
422	int y = 0;
423	int w = 0;
424	int h = 0;
425
426	if (original_asim)
427	get_image_geometry (original_asim->width, original_asim->height, w, h, x, y);
428
429	if (!original_asim
430	\|\| (!(bg_flags & BG_ROOT_ALIGN)
431	&& (x >= target_width
432	\|\| y >= target_height
433	\|\| (x + w <= 0)
434	\|\| (y + h <= 0))))
435	{
436	if (background)
437	{
438	new_pmap_width = background->width;
439	new_pmap_height = background->height;
440	result = background;
441
442	if (background_tint != TINT_LEAVE_SAME)
443	{
444	ASImage *tmp = tile_asimage (asv, background, 0, 0,
445	target_width, target_height, background_tint,
446	ASA_XImage, 100, ASIMAGE_QUALITY_DEFAULT);
447	if (tmp)
448	result = tmp;
449	}
450	}
451	else
452	new_pmap_width = new_pmap_height = 0;
453	}
454	else	340	else
455	{	341	bg_flags &= ~BG_IS_SIZE_SENSITIVE;
456	result = original_asim;
457
458	if ((w != original_asim->width)
459	\|\| (h != original_asim->height))
460	{
461	result = scale_asimage (asv, original_asim,
462	w, h,
463	background ? ASA_ASImage : ASA_XImage,
464	100, ASIMAGE_QUALITY_DEFAULT);
465	}
466
467	if (background == NULL)
468	{
469	if (bg_flags & BG_TILE)
470	{
471	/* if tiling - pixmap has to be sized exactly as the image,
472	but there is no need to make it bigger than the window! */
473	new_pmap_width = min (result->width, target_width);
474	new_pmap_height = min (result->height, target_height);
475
476	/* we also need to tile our image in both directions */
477	ASImage *tmp = tile_asimage (asv, result,
478	(int)result->width - x,
479	(int)result->height - y,
480	new_pmap_width,
481	new_pmap_height,
482	TINT_LEAVE_SAME, ASA_XImage,
483	100, ASIMAGE_QUALITY_DEFAULT);
484	if (tmp)
485	{
486	if (result != original_asim)
487	destroy_asimage (&result);
488
489	result = tmp;
490	}
491	}
492	}
493	else
494	{
495	/* if blending background and image - pixmap has to be sized same as target window */
496	ASImageLayer *layers = create_image_layers (2);
497
498	layers[0].im = background;
499	layers[0].clip_width = target_width;
500	layers[0].clip_height = target_height;
501	layers[0].tint = background_tint;
502	layers[1].im = result;
503
504	if (bg_flags & BG_TILE)
505	{
506	/* tile horizontally */
507	while (x > 0) x -= (int)result->width;
508	layers[1].dst_x = x;
509	layers[1].clip_width = result->width+target_width;
510	}
511	else
512	{
513	/* clip horizontally */
514	layers[1].dst_x = x;
515	layers[1].clip_width = result->width;
516	}
517
518	if (bg_flags & BG_TILE)
519	{
520	while (y > 0) y -= (int)result->height;
521	layers[1].dst_y = y;
522	layers[1].clip_height = result->height + target_height;
523	}
524	else
525	{
526	layers[1].dst_y = y;
527	layers[1].clip_height = result->height;
528	}
529
530	if (rs[Rs_blendtype])
531	{
532	layers[1].merge_scanlines = blend_scanlines_name2func (rs[Rs_blendtype]);
533	if (layers[1].merge_scanlines == NULL)
534	layers[1].merge_scanlines = alphablend_scanlines;
535	}
536
537	ASImage *tmp = merge_layers (asv, layers, 2, target_width, target_height,
538	ASA_XImage, 0, ASIMAGE_QUALITY_DEFAULT);
539
540	if (tmp)
541	{
542	if (result != original_asim)
543	destroy_asimage (&result);
544
545	result = tmp;
546	}
547
548	free (layers);
549	}
550	}
551
552	bool ret = false;
553
554	if (result)
555	{
556	XGCValues gcv;
557	GC gc;
558
559	/* create Pixmap */
560	if (bg_pixmap == None
561	\|\| bg_pmap_width != new_pmap_width
562	\|\| bg_pmap_height != new_pmap_height)
563	{
564	if (bg_pixmap)
565	XFreePixmap (dpy, bg_pixmap);
566	bg_pixmap = XCreatePixmap (dpy, vt, new_pmap_width, new_pmap_height, depth);
567	bg_pmap_width = new_pmap_width;
568	bg_pmap_height = new_pmap_height;
569	}
570	/* fill with background color (if result's not completely overlapping it) */
571	gcv.foreground = pix_colors[Color_bg];
572	gc = XCreateGC (dpy, vt, GCForeground, &gcv);
573
574	int src_x = 0, src_y = 0, dst_x = 0, dst_y = 0;
575	int dst_width = result->width, dst_height = result->height;
576	if (background == NULL)
577	{
578	if (!(bg_flags & BG_TILE))
579	{
580	src_x = make_clip_rectangle (x, result->width , new_pmap_width , dst_x, dst_width );
581	src_y = make_clip_rectangle (y, result->height, new_pmap_height, dst_y, dst_height);
582	}
583
584	if (dst_x > 0 \|\| dst_y > 0
585	\|\| dst_x + dst_width < new_pmap_width
586	\|\| dst_y + dst_height < new_pmap_height)
587	XFillRectangle (dpy, bg_pixmap, gc, 0, 0, new_pmap_width, new_pmap_height);
588	}
589
590	/* put result on pixmap */
591	if (dst_x < new_pmap_width && dst_y < new_pmap_height)
592	asimage2drawable (asv, bg_pixmap, result, gc, src_x, src_y, dst_x, dst_y, dst_width, dst_height, True);
593
594	if (result != background && result != original_asim)
595	destroy_asimage (&result);
596
597	XFreeGC (dpy, gc);
598
599	ret = true;
600	}
601
602	if (background)
603	destroy_asimage (&background);
604
605	return ret;
606	}	342	}
607	# endif /* HAVE_AFTERIMAGE */
608		343
609	# ifdef HAVE_PIXBUF	344	# ifdef HAVE_PIXBUF
610	bool	345	bool
611	rxvt_term::pixbuf_to_pixmap (GdkPixbuf *pixbuf, Pixmap pixmap, GC gc,	346	rxvt_term::pixbuf_to_pixmap (GdkPixbuf *pixbuf, Pixmap pixmap, GC gc,
612	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,
…		…
689	XDestroyImage (ximage);	424	XDestroyImage (ximage);
690	return true;	425	return true;
691	}	426	}
692		427
693	bool	428	bool
694	rxvt_term::render_image (unsigned long tr_flags)	429	rxvt_term::render_image (bool transparent)
695	{	430	{
696	if (!pixbuf)	431	if (!pixbuf)
697	return false;	432	return false;
698		433
699	if (tr_flags	434	if (transparent
700	&& !(bg_flags & BG_HAS_RENDER))	435	&& !(bg_flags & BG_HAS_RENDER))
701	return false;	436	return false;
702		437
703	GdkPixbuf *result;	438	GdkPixbuf *result;
704		439
…		…
718	get_image_geometry (image_width, image_height, w, h, x, y);	453	get_image_geometry (image_width, image_height, w, h, x, y);
719		454
720	if (!(bg_flags & BG_ROOT_ALIGN)	455	if (!(bg_flags & BG_ROOT_ALIGN)
721	&& (x >= target_width	456	&& (x >= target_width
722	\|\| y >= target_height	457	\|\| y >= target_height
723	\|\| (x + w <= 0)	458	\|\| x + w <= 0
724	\|\| (y + h <= 0)))	459	\|\| y + h <= 0))
725	return false;	460	return false;
726		461
727	result = pixbuf;	462	result = pixbuf;
728		463
729	if ((w != image_width)	464	if (w != image_width
730	\|\| (h != image_height))	465	\|\| h != image_height)
731	{	466	{
732	result = gdk_pixbuf_scale_simple (pixbuf,	467	result = gdk_pixbuf_scale_simple (pixbuf,
733	w, h,	468	w, h,
734	GDK_INTERP_BILINEAR);	469	GDK_INTERP_BILINEAR);
735	}	470	}
…		…
744	Pixmap root_pmap;	479	Pixmap root_pmap;
745		480
746	image_width = gdk_pixbuf_get_width (result);	481	image_width = gdk_pixbuf_get_width (result);
747	image_height = gdk_pixbuf_get_height (result);	482	image_height = gdk_pixbuf_get_height (result);
748		483
749	if (tr_flags)	484	if (transparent)
750	{	485	{
751	root_pmap = bg_pixmap;	486	root_pmap = bg_pixmap;
752	bg_pixmap = None;	487	bg_pixmap = None;
753	}	488	}
754	else	489	else
…		…
812	dst_x, dst_y,	547	dst_x, dst_y,
813	dst_width, dst_height);	548	dst_width, dst_height);
814	}	549	}
815		550
816	#if XRENDER	551	#if XRENDER
817	if (tr_flags)	552	if (transparent)
818	{	553	{
819	XRenderPictureAttributes pa;
820
821	XRenderPictFormat *src_format = XRenderFindVisualFormat (dpy, visual);	554	XRenderPictFormat *format = XRenderFindVisualFormat (dpy, visual);
		555
822	Picture src = XRenderCreatePicture (dpy, root_pmap, src_format, 0, &pa);	556	Picture src = XRenderCreatePicture (dpy, root_pmap, format, 0, 0);
823		557
824	XRenderPictFormat *dst_format = XRenderFindVisualFormat (dpy, visual);
825	Picture dst = XRenderCreatePicture (dpy, bg_pixmap, dst_format, 0, &pa);	558	Picture dst = XRenderCreatePicture (dpy, bg_pixmap, format, 0, 0);
826		559
827	pa.repeat = True;	560	Picture mask = create_xrender_mask (dpy, vt, False, False);
828	Pixmap mask_pmap = XCreatePixmap (dpy, vt, 1, 1, 8);
829	XRenderPictFormat *mask_format = XRenderFindStandardFormat (dpy, PictStandardA8);
830	Picture mask = XRenderCreatePicture (dpy, mask_pmap, mask_format, CPRepeat, &pa);
831	XFreePixmap (dpy, mask_pmap);
832		561
833	XRenderColor mask_c;	562	XRenderColor mask_c;
834		563
835	mask_c.alpha = 0x8000;	564	mask_c.alpha = 0x8000;
836	mask_c.red = 0;	565	mask_c.red =
837	mask_c.green = 0;	566	mask_c.green =
838	mask_c.blue = 0;	567	mask_c.blue = 0;
839	XRenderFillRectangle (dpy, PictOpSrc, mask, &mask_c, 0, 0, 1, 1);	568	XRenderFillRectangle (dpy, PictOpSrc, mask, &mask_c, 0, 0, 1, 1);
		569
840	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);
841		571
842	XRenderFreePicture (dpy, src);	572	XRenderFreePicture (dpy, src);
843	XRenderFreePicture (dpy, dst);	573	XRenderFreePicture (dpy, dst);
844	XRenderFreePicture (dpy, mask);	574	XRenderFreePicture (dpy, mask);
…		…
851	}	581	}
852		582
853	if (result != pixbuf)	583	if (result != pixbuf)
854	g_object_unref (result);	584	g_object_unref (result);
855		585
856	if (tr_flags)	586	if (transparent)
857	XFreePixmap (dpy, root_pmap);	587	XFreePixmap (dpy, root_pmap);
858		588
859	return ret;	589	return ret;
860	}	590	}
861	# endif /* HAVE_PIXBUF */	591	# endif /* HAVE_PIXBUF */
…		…
864	rxvt_term::bg_set_file (const char *file)	594	rxvt_term::bg_set_file (const char *file)
865	{	595	{
866	if (!file \|\| !*file)	596	if (!file \|\| !*file)
867	return false;	597	return false;
868		598
		599	bool ret = false;
869	if (const char *p = strchr (file, ';'))	600	const char *p = strchr (file, ';');
		601
		602	if (p)
870	{	603	{
871	size_t len = p - file;	604	size_t len = p - file;
872	char *f = rxvt_temp_buf<char> (len + 1);	605	char *f = rxvt_temp_buf<char> (len + 1);
873	memcpy (f, file, len);	606	memcpy (f, file, len);
874	f[len] = '\0';	607	f[len] = '\0';
875	file = f;	608	file = f;
876	}	609	}
877		610
878	# ifdef HAVE_AFTERIMAGE
879	if (!asimman)
880	asimman = create_generic_imageman (rs[Rs_path]);
881	ASImage *image = get_asimage (asimman, file, 0xFFFFFFFF, 100);
882	if (image)
883	{
884	if (original_asim)
885	safe_asimage_destroy (original_asim);
886	original_asim = image;
887	bg_flags \|= BG_IS_FROM_FILE \| BG_CLIENT_RENDER;
888	return true;
889	}
890	# endif
891
892	# ifdef HAVE_PIXBUF	611	# ifdef HAVE_PIXBUF
893	GdkPixbuf *image = gdk_pixbuf_new_from_file (file, NULL);	612	GdkPixbuf *image = gdk_pixbuf_new_from_file (file, NULL);
894	if (image)	613	if (image)
895	{	614	{
896	if (pixbuf)	615	if (pixbuf)
897	g_object_unref (pixbuf);	616	g_object_unref (pixbuf);
898	pixbuf = image;	617	pixbuf = image;
899	bg_flags \|= BG_IS_FROM_FILE;	618	bg_flags \|= BG_IS_FROM_FILE;
900	return true;	619	ret = true;
901	}	620	}
902	# endif	621	# endif
903		622
		623	if (ret)
		624	{
		625	if (p)
		626	bg_set_geometry (p + 1);
		627	else
		628	bg_set_default_geometry ();
		629	}
		630
904	return false;	631	return ret;
905	}	632	}
906		633
907	# endif /* BG_IMAGE_FROM_FILE */	634	# endif /* BG_IMAGE_FROM_FILE */
908		635
909	# ifdef ENABLE_TRANSPARENCY	636	# ifdef ENABLE_TRANSPARENCY
…		…
945	{	672	{
946	changed = true;	673	changed = true;
947	v_blurRadius = vr;	674	v_blurRadius = vr;
948	}	675	}
949		676
950	if (v_blurRadius == 0 && h_blurRadius == 0)	677	if (h_blurRadius && v_blurRadius)
		678	bg_flags \|= BG_NEEDS_BLUR;
		679	else
951	bg_flags &= ~BG_NEEDS_BLUR;	680	bg_flags &= ~BG_NEEDS_BLUR;
952	else
953	bg_flags \|= BG_NEEDS_BLUR;
954		681
955	return changed;	682	return changed;
956	}	683	}
957		684
958	void	685	void
959	rxvt_term::set_tint_shade_flags ()	686	rxvt_term::set_tint_shade_flags ()
960	{	687	{
961	rgba c (rgba::MAX_CC,rgba::MAX_CC,rgba::MAX_CC);	688	if (shade != 100 \|\| (bg_flags & BG_TINT_SET))
962	bool has_shade = shade != 100;	689	bg_flags \|= BG_NEEDS_TINT;
		690	else
		691	bg_flags &= ~BG_NEEDS_TINT;
		692	}
963		693
		694	bool
		695	rxvt_term::bg_set_tint (rxvt_color &new_tint)
		696	{
		697	if (!(bg_flags & BG_TINT_SET) \|\| tint != new_tint)
		698	{
		699	tint = new_tint;
964	bg_flags &= ~BG_TINT_FLAGS;	700	bg_flags \|= BG_TINT_SET;
965		701
966	if (bg_flags & BG_TINT_SET)	702	rgba c;
967	{
968	tint.get (c);	703	tint.get (c);
969	if (!has_shade
970	&& (c.r <= 0x00ff \|\| c.r >= 0xff00)	704	if ((c.r <= 0x00ff \|\| c.r >= 0xff00)
971	&& (c.g <= 0x00ff \|\| c.g >= 0xff00)	705	&& (c.g <= 0x00ff \|\| c.g >= 0xff00)
972	&& (c.b <= 0x00ff \|\| c.b >= 0xff00))	706	&& (c.b <= 0x00ff \|\| c.b >= 0xff00))
973	bg_flags \|= BG_TINT_BITAND;	707	bg_flags \|= BG_TINT_BITAND;
974	}	708	else
975
976	if (has_shade \|\| (bg_flags & BG_TINT_SET))
977	bg_flags \|= BG_NEEDS_TINT;
978	}
979
980	bool
981	rxvt_term::bg_set_tint (rxvt_color &new_tint)
982	{
983	if (!(bg_flags & BG_TINT_SET) \|\| tint != new_tint)
984	{
985	tint = new_tint;
986	bg_flags \|= BG_TINT_SET;	709	bg_flags &= ~BG_TINT_BITAND;
		710
987	set_tint_shade_flags ();	711	set_tint_shade_flags ();
988	return true;	712	return true;
989	}	713	}
990		714
991	return false;	715	return false;
992	}	716	}
993		717
994	bool	718	bool
995	rxvt_term::bg_set_shade (const char *shade_str)	719	rxvt_term::bg_set_shade (const char *shade_str)
996	{	720	{
997	int new_shade = (shade_str) ? atoi (shade_str) : 100;	721	int new_shade = atoi (shade_str);
998		722
999	clamp_it (new_shade, -100, 200);	723	clamp_it (new_shade, -100, 200);
1000	if (new_shade < 0)	724	if (new_shade < 0)
1001	new_shade = 200 - (100 + new_shade);	725	new_shade = 200 - (100 + new_shade);
1002		726
…		…
1032	params[i+2] = XDoubleToFixed (kernel[i] / sum);	756	params[i+2] = XDoubleToFixed (kernel[i] / sum);
1033	}	757	}
1034	#endif	758	#endif
1035		759
1036	bool	760	bool
1037	rxvt_term::blur_pixmap (Pixmap pixmap, Visual *visual, int width, int height)	761	rxvt_term::blur_pixmap (Pixmap pixmap, Visual *visual, int width, int height, int depth)
1038	{	762	{
1039	bool ret = false;	763	bool ret = false;
1040	#if XRENDER	764	#if XRENDER
		765	if (!(bg_flags & BG_HAS_RENDER_CONV))
		766	return false;
		767
1041	int size = max (h_blurRadius, v_blurRadius) * 2 + 1;	768	int size = max (h_blurRadius, v_blurRadius) * 2 + 1;
1042	double kernel = (double )malloc (size * sizeof (double));	769	double kernel = (double )malloc (size * sizeof (double));
1043	XFixed params = (XFixed )malloc ((size + 2) * sizeof (XFixed));	770	XFixed params = (XFixed )malloc ((size + 2) * sizeof (XFixed));
1044		771
1045	XRenderPictureAttributes pa;	772	XRenderPictureAttributes pa;
1046	XRenderPictFormat *format = XRenderFindVisualFormat (dpy, visual);	773	XRenderPictFormat *format = XRenderFindVisualFormat (dpy, visual);
1047		774
		775	pa.repeat = RepeatPad;
1048	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);
1049	Picture dst = XRenderCreatePicture (dpy, pixmap, format, 0, &pa);	778	Picture dst = XRenderCreatePicture (dpy, tmp, format, CPRepeat, &pa);
		779	XFreePixmap (dpy, tmp);
1050		780
1051	if (kernel && params)	781	if (kernel && params)
1052	{	782	{
1053	if (h_blurRadius)
1054	{
1055	size = h_blurRadius * 2 + 1;	783	size = h_blurRadius * 2 + 1;
1056	get_gaussian_kernel (h_blurRadius, size, kernel, params);	784	get_gaussian_kernel (h_blurRadius, size, kernel, params);
1057		785
1058	XRenderSetPictureFilter (dpy, src, FilterConvolution, params, size+2);	786	XRenderSetPictureFilter (dpy, src, FilterConvolution, params, size+2);
1059	XRenderComposite (dpy,	787	XRenderComposite (dpy,
1060	PictOpSrc,	788	PictOpSrc,
1061	src,	789	src,
1062	None,	790	None,
1063	dst,	791	dst,
1064	0, 0,	792	0, 0,
1065	0, 0,	793	0, 0,
1066	0, 0,	794	0, 0,
1067	width, height);	795	width, height);
1068	}
1069		796
1070	if (v_blurRadius)	797	::swap (src, dst);
1071	{	798
1072	size = v_blurRadius * 2 + 1;	799	size = v_blurRadius * 2 + 1;
1073	get_gaussian_kernel (v_blurRadius, size, kernel, params);	800	get_gaussian_kernel (v_blurRadius, size, kernel, params);
1074	::swap (params[0], params[1]);	801	::swap (params[0], params[1]);
1075		802
1076	XRenderSetPictureFilter (dpy, src, FilterConvolution, params, size+2);	803	XRenderSetPictureFilter (dpy, src, FilterConvolution, params, size+2);
1077	XRenderComposite (dpy,	804	XRenderComposite (dpy,
1078	PictOpSrc,	805	PictOpSrc,
1079	src,	806	src,
1080	None,	807	None,
1081	dst,	808	dst,
1082	0, 0,	809	0, 0,
1083	0, 0,	810	0, 0,
1084	0, 0,	811	0, 0,
1085	width, height);	812	width, height);
1086	}
1087		813
1088	ret = true;	814	ret = true;
1089	}	815	}
1090		816
1091	free (kernel);	817	free (kernel);
…		…
1099	bool	825	bool
1100	rxvt_term::tint_pixmap (Pixmap pixmap, Visual *visual, int width, int height)	826	rxvt_term::tint_pixmap (Pixmap pixmap, Visual *visual, int width, int height)
1101	{	827	{
1102	bool ret = false;	828	bool ret = false;
1103		829
1104	if (bg_flags & BG_TINT_BITAND)	830	if (shade == 100 && (bg_flags & BG_TINT_BITAND))
1105	{	831	{
1106	XGCValues gcv;	832	XGCValues gcv;
1107	GC gc;	833	GC gc;
1108		834
1109	/* In this case we can tint image server-side getting significant	835	/* In this case we can tint image server-side getting significant
…		…
1118	XFillRectangle (dpy, pixmap, gc, 0, 0, width, height);	844	XFillRectangle (dpy, pixmap, gc, 0, 0, width, height);
1119	ret = true;	845	ret = true;
1120	XFreeGC (dpy, gc);	846	XFreeGC (dpy, gc);
1121	}	847	}
1122	}	848	}
1123	else
1124	{
1125	# if XRENDER	849	# if XRENDER
		850	else if (bg_flags & BG_HAS_RENDER)
		851	{
1126	rgba c (rgba::MAX_CC, rgba::MAX_CC, rgba::MAX_CC);	852	rgba c (rgba::MAX_CC, rgba::MAX_CC, rgba::MAX_CC);
1127		853
1128	if (bg_flags & BG_TINT_SET)	854	if (bg_flags & BG_TINT_SET)
1129	tint.get (c);	855	tint.get (c);
1130		856
…		…
1139	c.r = c.r * (200 - shade) / 100;	865	c.r = c.r * (200 - shade) / 100;
1140	c.g = c.g * (200 - shade) / 100;	866	c.g = c.g * (200 - shade) / 100;
1141	c.b = c.b * (200 - shade) / 100;	867	c.b = c.b * (200 - shade) / 100;
1142	}	868	}
1143		869
1144	XRenderPictFormat *solid_format = XRenderFindStandardFormat (dpy, PictStandardARGB32);
1145	XRenderPictFormat *format = XRenderFindVisualFormat (dpy, visual);	870	XRenderPictFormat *format = XRenderFindVisualFormat (dpy, visual);
1146	XRenderPictureAttributes pa;
1147		871
1148	Picture back_pic = XRenderCreatePicture (dpy, pixmap, format, 0, &pa);	872	Picture back_pic = XRenderCreatePicture (dpy, pixmap, format, 0, 0);
1149		873
1150	pa.repeat = True;	874	Picture overlay_pic = create_xrender_mask (dpy, pixmap, True, False);
1151		875
1152	Pixmap overlay_pmap = XCreatePixmap (dpy, pixmap, 1, 1, 32);	876	Picture mask_pic = create_xrender_mask (dpy, pixmap, True, True);
1153	Picture overlay_pic = XRenderCreatePicture (dpy, overlay_pmap, solid_format, CPRepeat, &pa);
1154	XFreePixmap (dpy, overlay_pmap);
1155
1156	pa.component_alpha = True;
1157	Pixmap mask_pmap = XCreatePixmap (dpy, pixmap, 1, 1, 32);
1158	Picture mask_pic = XRenderCreatePicture (dpy, mask_pmap, solid_format, CPRepeat \| CPComponentAlpha, &pa);
1159	XFreePixmap (dpy, mask_pmap);
1160		877
1161	XRenderColor mask_c;	878	XRenderColor mask_c;
1162		879
1163	mask_c.alpha = 0xffff;	880	mask_c.alpha = 0xffff;
1164	mask_c.red =	881	mask_c.red =
…		…
1169	mask_c.alpha = 0;	886	mask_c.alpha = 0;
1170	mask_c.red = 0xffff - c.r;	887	mask_c.red = 0xffff - c.r;
1171	mask_c.green = 0xffff - c.g;	888	mask_c.green = 0xffff - c.g;
1172	mask_c.blue = 0xffff - c.b;	889	mask_c.blue = 0xffff - c.b;
1173	XRenderFillRectangle (dpy, PictOpSrc, mask_pic, &mask_c, 0, 0, 1, 1);	890	XRenderFillRectangle (dpy, PictOpSrc, mask_pic, &mask_c, 0, 0, 1, 1);
		891
1174	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);
1175		893
1176	if (shade > 100)	894	if (shade > 100)
1177	{	895	{
1178	mask_c.red = mask_c.green = mask_c.blue = 0xffff * (shade - 100) / 100;
1179	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;
1180	XRenderFillRectangle (dpy, PictOpSrc, overlay_pic, &mask_c, 0, 0, 1, 1);	900	XRenderFillRectangle (dpy, PictOpSrc, overlay_pic, &mask_c, 0, 0, 1, 1);
1181		901
1182	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);
1183	}	903	}
1184		904
1185	ret = true;	905	ret = true;
1186		906
1187	XRenderFreePicture (dpy, mask_pic);	907	XRenderFreePicture (dpy, mask_pic);
1188	XRenderFreePicture (dpy, overlay_pic);	908	XRenderFreePicture (dpy, overlay_pic);
1189	XRenderFreePicture (dpy, back_pic);	909	XRenderFreePicture (dpy, back_pic);
		910	}
1190	# endif	911	# endif
1191	}
1192		912
1193	return ret;	913	return ret;
1194	}	914	}
1195		915
1196	/*	916	/*
1197	* 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
1198	* 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
1199	* our window.	919	* our window.
1200	*/	920	*/
1201	unsigned long	921	bool
1202	rxvt_term::make_transparency_pixmap ()	922	rxvt_term::make_transparency_pixmap ()
1203	{	923	{
1204	unsigned long result = 0;	924	bool ret = false;
1205		925
1206	/* 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
1207	* be always up-to-date, so let's use it :	927	* be always up-to-date, so let's use it :
1208	*/	928	*/
1209	int screen = display->screen;	929	int screen = display->screen;
…		…
1247	#if XRENDER	967	#if XRENDER
1248	if (bg_flags & BG_HAS_RENDER)	968	if (bg_flags & BG_HAS_RENDER)
1249	{	969	{
1250	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);
1251		971
1252	XRenderPictureAttributes pa;
1253
1254	XRenderPictFormat *src_format = XRenderFindVisualFormat (dpy, DefaultVisual (dpy, screen));	972	XRenderPictFormat *src_format = XRenderFindVisualFormat (dpy, DefaultVisual (dpy, screen));
1255	Picture src = XRenderCreatePicture (dpy, root_pixmap, src_format, 0, &pa);	973	Picture src = XRenderCreatePicture (dpy, root_pixmap, src_format, 0, 0);
1256		974
1257	XRenderPictFormat *dst_format = XRenderFindVisualFormat (dpy, visual);	975	XRenderPictFormat *dst_format = XRenderFindVisualFormat (dpy, visual);
1258	Picture dst = XRenderCreatePicture (dpy, recoded_root_pmap, dst_format, 0, &pa);	976	Picture dst = XRenderCreatePicture (dpy, recoded_root_pmap, dst_format, 0, 0);
1259		977
1260	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);
1261		979
1262	XRenderFreePicture (dpy, src);	980	XRenderFreePicture (dpy, src);
1263	XRenderFreePicture (dpy, dst);	981	XRenderFreePicture (dpy, dst);
…		…
1280	bg_pmap_width = window_width;	998	bg_pmap_width = window_width;
1281	bg_pmap_height = window_height;	999	bg_pmap_height = window_height;
1282	}	1000	}
1283		1001
1284	/* straightforward pixmap copy */	1002	/* straightforward pixmap copy */
1285	while (sx < 0) sx += root_width;	1003	while (sx < 0) sx += root_pmap_width;
1286	while (sy < 0) sy += root_height;	1004	while (sy < 0) sy += root_pmap_height;
1287		1005
1288	gcv.tile = recoded_root_pmap;	1006	gcv.tile = recoded_root_pmap;
1289	gcv.fill_style = FillTiled;	1007	gcv.fill_style = FillTiled;
1290	gcv.ts_x_origin = -sx;	1008	gcv.ts_x_origin = -sx;
1291	gcv.ts_y_origin = -sy;	1009	gcv.ts_y_origin = -sy;
1292	gc = XCreateGC (dpy, vt, GCFillStyle \| GCTile \| GCTileStipXOrigin \| GCTileStipYOrigin, &gcv);	1010	gc = XCreateGC (dpy, vt, GCFillStyle \| GCTile \| GCTileStipXOrigin \| GCTileStipYOrigin, &gcv);
1293		1011
1294	if (gc)	1012	if (gc)
1295	{	1013	{
1296	XFillRectangle (dpy, bg_pixmap, gc, 0, 0, window_width, window_height);	1014	XFillRectangle (dpy, bg_pixmap, gc, 0, 0, window_width, window_height);
1297	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
1298	XFreeGC (dpy, gc);	1044	XFreeGC (dpy, gc);
1299
1300	if (!(bg_flags & BG_CLIENT_RENDER))
1301	{
1302	if ((bg_flags & BG_NEEDS_BLUR)
1303	&& (bg_flags & BG_HAS_RENDER_CONV))
1304	{
1305	if (blur_pixmap (bg_pixmap, visual, window_width, window_height))
1306	result &= ~BG_NEEDS_BLUR;
1307	}
1308	if ((bg_flags & BG_NEEDS_TINT)
1309	&& (bg_flags & (BG_TINT_BITAND \| BG_HAS_RENDER)))
1310	{
1311	if (tint_pixmap (bg_pixmap, visual, window_width, window_height))
1312	result &= ~BG_NEEDS_TINT;
1313	}
1314	} /* server side rendering completed */
1315	}	1045	}
1316		1046
1317	if (recoded_root_pmap != root_pixmap)	1047	if (recoded_root_pmap != root_pixmap)
1318	XFreePixmap (dpy, recoded_root_pmap);	1048	XFreePixmap (dpy, recoded_root_pmap);
1319		1049
1320	return result;	1050	return ret;
1321	}	1051	}
1322		1052
1323	void	1053	void
1324	rxvt_term::bg_set_root_pixmap ()	1054	rxvt_term::bg_set_root_pixmap ()
1325	{	1055	{
…		…
1329		1059
1330	root_pixmap = new_root_pixmap;	1060	root_pixmap = new_root_pixmap;
1331	}	1061	}
1332	# endif /* ENABLE_TRANSPARENCY */	1062	# endif /* ENABLE_TRANSPARENCY */
1333		1063
1334	#if defined(ENABLE_TRANSPARENCY) && !defined(HAVE_AFTERIMAGE)
1335	static void shade_ximage (Visual visual, XImage ximage, int shade, const rgba &c);
1336	# endif
1337
1338	bool	1064	bool
1339	rxvt_term::bg_render ()	1065	rxvt_term::bg_render ()
1340	{	1066	{
1341	unsigned long tr_flags = 0;	1067	bool transparent = false;
1342		1068
1343	bg_invalidate ();	1069	bg_invalidate ();
1344	# ifdef ENABLE_TRANSPARENCY	1070	# ifdef ENABLE_TRANSPARENCY
1345	if (bg_flags & BG_IS_TRANSPARENT)	1071	if (bg_flags & BG_IS_TRANSPARENT)
1346	{	1072	{
1347	/* we need to re-generate transparency pixmap in that case ! */	1073	/* we need to re-generate transparency pixmap in that case ! */
1348	tr_flags = make_transparency_pixmap ();	1074	transparent = make_transparency_pixmap ();
1349	if (tr_flags == 0)	1075	if (transparent)
1350	return false;
1351	else if (!(tr_flags & BG_EFFECTS_FLAGS))
1352	bg_flags \|= BG_IS_VALID;	1076	bg_flags \|= BG_IS_VALID;
1353	}	1077	}
1354	# endif	1078	# endif
1355		1079
1356	# ifdef BG_IMAGE_FROM_FILE	1080	# ifdef BG_IMAGE_FROM_FILE
1357	if ((bg_flags & BG_IS_FROM_FILE)	1081	if (bg_flags & BG_IS_FROM_FILE)
1358	\|\| (tr_flags & BG_EFFECTS_FLAGS))
1359	{	1082	{
1360	if (render_image (tr_flags))	1083	if (render_image (transparent))
1361	bg_flags \|= BG_IS_VALID;	1084	bg_flags \|= BG_IS_VALID;
1362	}
1363	# endif
1364
1365	# if defined(ENABLE_TRANSPARENCY) && !defined(HAVE_AFTERIMAGE)
1366	XImage *result = NULL;
1367
1368	if (tr_flags && !(bg_flags & BG_IS_VALID))
1369	{
1370	result = XGetImage (dpy, bg_pixmap, 0, 0, bg_pmap_width, bg_pmap_height, AllPlanes, ZPixmap);
1371	}
1372
1373	if (result)
1374	{
1375	/* our own client-side tinting */
1376	if (tr_flags & BG_NEEDS_TINT)
1377	{
1378	rgba c (rgba::MAX_CC,rgba::MAX_CC,rgba::MAX_CC);
1379	if (bg_flags & BG_TINT_SET)
1380	tint.get (c);
1381	shade_ximage (DefaultVisual (dpy, display->screen), result, shade, c);
1382	}
1383
1384	GC gc = XCreateGC (dpy, vt, 0UL, NULL);
1385
1386	if (gc)
1387	{
1388	XPutImage (dpy, bg_pixmap, gc, result, 0, 0, 0, 0, result->width, result->height);
1389
1390	XFreeGC (dpy, gc);
1391	bg_flags \|= BG_IS_VALID;
1392	}
1393
1394	XDestroyImage (result);
1395	}	1085	}
1396	# endif	1086	# endif
1397		1087
1398	if (!(bg_flags & BG_IS_VALID))	1088	if (!(bg_flags & BG_IS_VALID))
1399	{	1089	{
…		…
1436	#endif	1126	#endif
1437	}	1127	}
1438		1128
1439	#endif /* HAVE_BG_PIXMAP */	1129	#endif /* HAVE_BG_PIXMAP */
1440		1130
1441	#if defined(ENABLE_TRANSPARENCY) && !defined(HAVE_AFTERIMAGE)	1131	#ifdef ENABLE_TRANSPARENCY
1442	/* taken from aterm-0.4.2 */	1132	/* based on code from aterm-0.4.2 */
1443		1133
1444	static void	1134	static inline void
1445	shade_ximage (Visual visual, XImage ximage, int shade, const rgba &c)	1135	fill_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
		1146	void
		1147	rxvt_term::tint_ximage (Visual visual, XImage ximage)
1446	{	1148	{
1447	int sh_r, sh_g, sh_b;	1149	int sh_r, sh_g, sh_b;
1448	uint32_t mask_r, mask_g, mask_b;	1150	uint32_t mask_r, mask_g, mask_b;
1449	uint32_t lookup, lookup_r, lookup_g, lookup_b;	1151	uint32_t lookup, lookup_r, lookup_g, lookup_b;
1450	rgba low;	1152	unsigned short low;
1451	rgba high;
1452	int i;
1453	int host_byte_order = ecb_big_endian () ? MSBFirst : LSBFirst;	1153	int host_byte_order = ecb_big_endian () ? MSBFirst : LSBFirst;
1454		1154
1455	if (visual->c_class != TrueColor \|\| ximage->format != ZPixmap) return;	1155	if (visual->c_class != TrueColor \|\| ximage->format != ZPixmap) return;
1456		1156
1457	/* for convenience */	1157	/* for convenience */
…		…
1516	break;	1216	break;
1517	default:	1217	default:
1518	return; /* we do not support this color depth */	1218	return; /* we do not support this color depth */
1519	}	1219	}
1520		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
1521	/* prepare limits for color transformation (each channel is handled separately) */	1226	/* prepare limits for color transformation (each channel is handled separately) */
1522	if (shade > 100)	1227	if (shade > 100)
1523	{	1228	{
1524	shade = 200 - shade;
1525
1526	high.r = c.r * shade / 100;
1527	high.g = c.g * shade / 100;
1528	high.b = c.b * shade / 100;
1529
1530	low.r = 65535 * (100 - shade) / 100;	1229	c.r = c.r * (200 - shade) / 100;
1531	low.g = 65535 * (100 - shade) / 100;	1230	c.g = c.g * (200 - shade) / 100;
1532	low.b = 65535 * (100 - shade) / 100;	1231	c.b = c.b * (200 - shade) / 100;
		1232
		1233	low = 0xffff * (shade - 100) / 100;
1533	}	1234	}
1534	else	1235	else
1535	{	1236	{
1536	high.r = c.r * shade / 100;	1237	c.r = c.r * shade / 100;
1537	high.g = c.g * shade / 100;	1238	c.g = c.g * shade / 100;
1538	high.b = c.b * shade / 100;	1239	c.b = c.b * shade / 100;
1539		1240
1540	low.r = low.g = low.b = 0;	1241	low = 0;
1541	}	1242	}
1542		1243
1543	/* fill our lookup tables */	1244	/* fill our lookup tables */
1544	for (i = 0; i <= mask_r>>sh_r; i++)	1245	fill_lut (lookup_r, mask_r, sh_r, low, c.r);
1545	{	1246	fill_lut (lookup_g, mask_g, sh_g, low, c.g);
1546	uint32_t tmp;	1247	fill_lut (lookup_b, mask_b, sh_b, low, c.b);
1547	tmp = i * high.r;
1548	tmp += (mask_r>>sh_r) * low.r;
1549	lookup_r[i] = (tmp/65535)<<sh_r;
1550	}
1551	for (i = 0; i <= mask_g>>sh_g; i++)
1552	{
1553	uint32_t tmp;
1554	tmp = i * high.g;
1555	tmp += (mask_g>>sh_g) * low.g;
1556	lookup_g[i] = (tmp/65535)<<sh_g;
1557	}
1558	for (i = 0; i <= mask_b>>sh_b; i++)
1559	{
1560	uint32_t tmp;
1561	tmp = i * high.b;
1562	tmp += (mask_b>>sh_b) * low.b;
1563	lookup_b[i] = (tmp/65535)<<sh_b;
1564	}
1565		1248
1566	/* apply table to input image (replacing colors by newly calculated ones) */	1249	/* apply table to input image (replacing colors by newly calculated ones) */
1567	if (ximage->bits_per_pixel == 32	1250	if (ximage->bits_per_pixel == 32
1568	&& (ximage->depth == 24 \|\| ximage->depth == 32)	1251	&& (ximage->depth == 24 \|\| ximage->depth == 32)
1569	&& ximage->byte_order == host_byte_order)	1252	&& ximage->byte_order == host_byte_order)
…		…
1599	}	1282	}
1600	}	1283	}
1601		1284
1602	free (lookup);	1285	free (lookup);
1603	}	1286	}
1604	#endif /* defined(ENABLE_TRANSPARENCY) && !defined(HAVE_AFTERIMAGE) */	1287	#endif /* ENABLE_TRANSPARENCY */

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Comparing rxvt-unicode/src/background.C (file contents): Revision 1.164 by sf-exg, Sun Aug 14 22:01:25 2011 UTC vs. Revision 1.206 by sf-exg, Thu Apr 12 10:22:50 2012 UTC

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Comparing rxvt-unicode/src/background.C (file contents):
Revision 1.164 by sf-exg, Sun Aug 14 22:01:25 2011 UTC vs.
Revision 1.206 by sf-exg, Thu Apr 12 10:22:50 2012 UTC