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

Comparing rxvt-unicode/src/background.C (file contents):
Revision 1.163 by sf-exg, Sat Aug 13 09:05:44 2011 UTC vs.
Revision 1.208 by sf-exg, Fri May 11 08:16:58 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;
		183	w = h = windowScale;
223	x = y = centerAlign;	184	x = y = centerAlign;
224	geom_flags = XValue\|YValue;	185	geom_flags = WidthValue\|HeightValue\|XValue\|YValue;
225	}	186	}
226	else if (!strcasecmp (arr[i], "style=stretched"))	187	else if (!strcasecmp (arr[i], "style=stretched"))
227	{	188	{
228	new_flags = 0;	189	new_flags = 0;
229	w = h = windowScale;	190	w = h = windowScale;
…		…
242	w = h = noScale;	203	w = h = noScale;
243	geom_flags = WidthValue\|HeightValue;	204	geom_flags = WidthValue\|HeightValue;
244	}	205	}
245	else if (!strcasecmp (arr[i], "op=tile"))	206	else if (!strcasecmp (arr[i], "op=tile"))
246	new_flags \|= BG_TILE;	207	new_flags \|= BG_TILE;
247	else if (!strcasecmp (arr[i], "op=pscale"))	208	else if (!strcasecmp (arr[i], "op=keep-aspect"))
248	new_flags \|= BG_PROP_SCALE;	209	new_flags \|= BG_KEEP_ASPECT;
249	else if (!strcasecmp (arr[i], "op=root"))	210	else if (!strcasecmp (arr[i], "op=root-align"))
250	new_flags \|= BG_ROOT_ALIGN;	211	new_flags \|= BG_ROOT_ALIGN;
251		212
252	// deprecated	213	// deprecated
253	else if (!strcasecmp (arr[i], "tile"))	214	else if (!strcasecmp (arr[i], "tile"))
254	{	215	{
…		…
256	w = h = noScale;	217	w = h = noScale;
257	geom_flags \|= WidthValue\|HeightValue;	218	geom_flags \|= WidthValue\|HeightValue;
258	}	219	}
259	else if (!strcasecmp (arr[i], "propscale"))	220	else if (!strcasecmp (arr[i], "propscale"))
260	{	221	{
261	new_flags \|= BG_PROP_SCALE;	222	new_flags \|= BG_KEEP_ASPECT;
		223	w = h = windowScale;
		224	geom_flags \|= WidthValue\|HeightValue;
262	}	225	}
263	else if (!strcasecmp (arr[i], "hscale"))	226	else if (!strcasecmp (arr[i], "hscale"))
264	{	227	{
265	new_flags \|= BG_TILE;	228	new_flags \|= BG_TILE;
266	w = windowScale;	229	w = windowScale;
…		…
296	geom_flags \|= XParseGeometry (arr[i], &x, &y, &w, &h);	259	geom_flags \|= XParseGeometry (arr[i], &x, &y, &w, &h);
297	} /* done parsing ops */	260	} /* done parsing ops */
298		261
299	rxvt_free_strsplit (arr);	262	rxvt_free_strsplit (arr);
300	}	263	}
		264
		265	new_flags \|= bg_flags & ~BG_GEOMETRY_FLAGS;
301		266
302	if (!update)	267	if (!update)
303	{	268	{
304	if (!(geom_flags & XValue))	269	if (!(geom_flags & XValue))
305	x = y = defaultAlign;	270	x = y = defaultAlign;
…		…
310	w = h = defaultScale;	275	w = h = defaultScale;
311	else if (!(geom_flags & HeightValue))	276	else if (!(geom_flags & HeightValue))
312	h = w;	277	h = w;
313	else if (!(geom_flags & WidthValue))	278	else if (!(geom_flags & WidthValue))
314	w = h;	279	w = h;
315
316	geom_flags \|= WidthValue\|HeightValue\|XValue\|YValue;
317	}	280	}
318		281
319	if (check_set_scale_value (geom_flags, WidthValue, h_scale, w)) changed = true;	282	min_it (w, 1000);
320	if (check_set_scale_value (geom_flags, HeightValue, v_scale, h)) changed = true;	283	min_it (h, 1000);
321	if (check_set_align_value (geom_flags, XValue, h_align, x)) changed = true;	284	clamp_it (x, -100, 200);
322	if (check_set_align_value (geom_flags, YValue, v_align, y)) changed = true;	285	clamp_it (y, -100, 200);
323		286
324	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)
325	{	292	{
326	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;
327	changed = true;	298	changed = true;
328	}	299	}
329		300
330	return changed;	301	return changed;
331	}	302	}
…		…
334	rxvt_term::get_image_geometry (int image_width, int image_height, int &w, int &h, int &x, int &y)	305	rxvt_term::get_image_geometry (int image_width, int image_height, int &w, int &h, int &x, int &y)
335	{	306	{
336	int target_width = szHint.width;	307	int target_width = szHint.width;
337	int target_height = szHint.height;	308	int target_height = szHint.height;
338		309
		310	w = h_scale * target_width / 100;
		311	h = v_scale * target_height / 100;
		312
339	if (bg_flags & BG_PROP_SCALE)	313	if (bg_flags & BG_KEEP_ASPECT)
340	{	314	{
341	float scale = (float)target_width / image_width;	315	float scale = (float)w / image_width;
342	min_it (scale, (float)target_height / image_height);	316	min_it (scale, (float)h / image_height);
343	w = image_width * scale + 0.5;	317	w = image_width * scale + 0.5;
344	h = image_height * scale + 0.5;	318	h = image_height * scale + 0.5;
345	}	319	}
346	else
347	{
348	w = h_scale * target_width / 100;
349	h = v_scale * target_height / 100;
350	}
351		320
352	if (!w) w = image_width;	321	if (!w) w = image_width;
353	if (!h) h = image_height;	322	if (!h) h = image_height;
354		323
355	if (bg_flags & BG_ROOT_ALIGN)	324	if (bg_flags & BG_ROOT_ALIGN)
…		…
361	{	330	{
362	x = make_align_position (h_align, target_width, w);	331	x = make_align_position (h_align, target_width, w);
363	y = make_align_position (v_align, target_height, h);	332	y = make_align_position (v_align, target_height, h);
364	}	333	}
365		334
366	bg_flags &= ~BG_IS_SIZE_SENSITIVE;
367	if (!(bg_flags & BG_TILE)	335	if (!(bg_flags & BG_TILE)
368	\|\| (bg_flags & BG_PROP_SCALE) \|\| h_scale \|\| v_scale	336	\|\| h_scale \|\| v_scale
369	\|\| (!(bg_flags & BG_ROOT_ALIGN) && (h_align \|\| v_align))	337	\|\| (!(bg_flags & BG_ROOT_ALIGN) && (h_align \|\| v_align))
370	\|\| w > target_width \|\| h > target_height)	338	\|\| image_width > target_width \|\| image_height > target_height)
371	bg_flags \|= BG_IS_SIZE_SENSITIVE;	339	bg_flags \|= BG_IS_SIZE_SENSITIVE;
372	}
373
374	# ifdef HAVE_AFTERIMAGE
375	bool
376	rxvt_term::render_image (unsigned long tr_flags)
377	{
378	init_asv ();
379
380	ASImage *background = NULL;
381	ARGB32 background_tint = TINT_LEAVE_SAME;
382
383	# ifdef ENABLE_TRANSPARENCY
384	if (tr_flags)
385	background = pixmap2ximage (asv, bg_pixmap, 0, 0, bg_pmap_width, bg_pmap_height, AllPlanes, 100);
386
387	if (tr_flags & BG_NEEDS_TINT)
388	{
389	ShadingInfo as_shade;
390	as_shade.shading = shade;
391
392	rgba c (rgba::MAX_CC,rgba::MAX_CC,rgba::MAX_CC);
393	if (bg_flags & BG_TINT_SET)
394	tint.get (c);
395	as_shade.tintColor.red = c.r;
396	as_shade.tintColor.green = c.g;
397	as_shade.tintColor.blue = c.b;
398
399	background_tint = shading2tint32 (&as_shade);
400	}
401
402	if ((tr_flags & BG_NEEDS_BLUR) && background != NULL)
403	{
404	ASImage *tmp = blur_asimage_gauss (asv, background, h_blurRadius, v_blurRadius, 0xFFFFFFFF,
405	(original_asim == NULL \|\| tint == TINT_LEAVE_SAME) ? ASA_XImage : ASA_ASImage,
406	100, ASIMAGE_QUALITY_DEFAULT);
407	if (tmp)
408	{
409	destroy_asimage (&background);
410	background = tmp;
411	}
412	}
413	# endif
414
415	ASImage *result = 0;
416
417	int target_width = szHint.width;
418	int target_height = szHint.height;
419	int new_pmap_width = target_width;
420	int new_pmap_height = target_height;
421
422	int x = 0;
423	int y = 0;
424	int w = 0;
425	int h = 0;
426
427	if (original_asim)
428	get_image_geometry (original_asim->width, original_asim->height, w, h, x, y);
429
430	if (!original_asim
431	\|\| (!(bg_flags & BG_ROOT_ALIGN)
432	&& (x >= target_width
433	\|\| y >= target_height
434	\|\| (x + w <= 0)
435	\|\| (y + h <= 0))))
436	{
437	if (background)
438	{
439	new_pmap_width = background->width;
440	new_pmap_height = background->height;
441	result = background;
442
443	if (background_tint != TINT_LEAVE_SAME)
444	{
445	ASImage *tmp = tile_asimage (asv, background, 0, 0,
446	target_width, target_height, background_tint,
447	ASA_XImage, 100, ASIMAGE_QUALITY_DEFAULT);
448	if (tmp)
449	result = tmp;
450	}
451	}
452	else
453	new_pmap_width = new_pmap_height = 0;
454	}
455	else	340	else
456	{	341	bg_flags &= ~BG_IS_SIZE_SENSITIVE;
457	result = original_asim;
458
459	if ((w != original_asim->width)
460	\|\| (h != original_asim->height))
461	{
462	result = scale_asimage (asv, original_asim,
463	w, h,
464	background ? ASA_ASImage : ASA_XImage,
465	100, ASIMAGE_QUALITY_DEFAULT);
466	}
467
468	if (background == NULL)
469	{
470	if (bg_flags & BG_TILE)
471	{
472	/* if tiling - pixmap has to be sized exactly as the image,
473	but there is no need to make it bigger than the window! */
474	new_pmap_width = min (result->width, target_width);
475	new_pmap_height = min (result->height, target_height);
476
477	/* we also need to tile our image in both directions */
478	ASImage *tmp = tile_asimage (asv, result,
479	(int)result->width - x,
480	(int)result->height - y,
481	new_pmap_width,
482	new_pmap_height,
483	TINT_LEAVE_SAME, ASA_XImage,
484	100, ASIMAGE_QUALITY_DEFAULT);
485	if (tmp)
486	{
487	if (result != original_asim)
488	destroy_asimage (&result);
489
490	result = tmp;
491	}
492	}
493	}
494	else
495	{
496	/* if blending background and image - pixmap has to be sized same as target window */
497	ASImageLayer *layers = create_image_layers (2);
498
499	layers[0].im = background;
500	layers[0].clip_width = target_width;
501	layers[0].clip_height = target_height;
502	layers[0].tint = background_tint;
503	layers[1].im = result;
504
505	if (bg_flags & BG_TILE)
506	{
507	/* tile horizontally */
508	while (x > 0) x -= (int)result->width;
509	layers[1].dst_x = x;
510	layers[1].clip_width = result->width+target_width;
511	}
512	else
513	{
514	/* clip horizontally */
515	layers[1].dst_x = x;
516	layers[1].clip_width = result->width;
517	}
518
519	if (bg_flags & BG_TILE)
520	{
521	while (y > 0) y -= (int)result->height;
522	layers[1].dst_y = y;
523	layers[1].clip_height = result->height + target_height;
524	}
525	else
526	{
527	layers[1].dst_y = y;
528	layers[1].clip_height = result->height;
529	}
530
531	if (rs[Rs_blendtype])
532	{
533	layers[1].merge_scanlines = blend_scanlines_name2func (rs[Rs_blendtype]);
534	if (layers[1].merge_scanlines == NULL)
535	layers[1].merge_scanlines = alphablend_scanlines;
536	}
537
538	ASImage *tmp = merge_layers (asv, layers, 2, target_width, target_height,
539	ASA_XImage, 0, ASIMAGE_QUALITY_DEFAULT);
540
541	if (tmp)
542	{
543	if (result != original_asim)
544	destroy_asimage (&result);
545
546	result = tmp;
547	}
548
549	free (layers);
550	}
551	}
552
553	bool ret = false;
554
555	if (result)
556	{
557	XGCValues gcv;
558	GC gc;
559
560	/* create Pixmap */
561	if (bg_pixmap == None
562	\|\| bg_pmap_width != new_pmap_width
563	\|\| bg_pmap_height != new_pmap_height)
564	{
565	if (bg_pixmap)
566	XFreePixmap (dpy, bg_pixmap);
567	bg_pixmap = XCreatePixmap (dpy, vt, new_pmap_width, new_pmap_height, depth);
568	bg_pmap_width = new_pmap_width;
569	bg_pmap_height = new_pmap_height;
570	}
571	/* fill with background color (if result's not completely overlapping it) */
572	gcv.foreground = pix_colors[Color_bg];
573	gc = XCreateGC (dpy, vt, GCForeground, &gcv);
574
575	int src_x = 0, src_y = 0, dst_x = 0, dst_y = 0;
576	int dst_width = result->width, dst_height = result->height;
577	if (background == NULL)
578	{
579	if (!(bg_flags & BG_TILE))
580	{
581	src_x = make_clip_rectangle (x, result->width , new_pmap_width , dst_x, dst_width );
582	src_y = make_clip_rectangle (y, result->height, new_pmap_height, dst_y, dst_height);
583	}
584
585	if (dst_x > 0 \|\| dst_y > 0
586	\|\| dst_x + dst_width < new_pmap_width
587	\|\| dst_y + dst_height < new_pmap_height)
588	XFillRectangle (dpy, bg_pixmap, gc, 0, 0, new_pmap_width, new_pmap_height);
589	}
590
591	/* put result on pixmap */
592	if (dst_x < new_pmap_width && dst_y < new_pmap_height)
593	asimage2drawable (asv, bg_pixmap, result, gc, src_x, src_y, dst_x, dst_y, dst_width, dst_height, True);
594
595	if (result != background && result != original_asim)
596	destroy_asimage (&result);
597
598	XFreeGC (dpy, gc);
599
600	ret = true;
601	}
602
603	if (background)
604	destroy_asimage (&background);
605
606	return ret;
607	}	342	}
608	# endif /* HAVE_AFTERIMAGE */
609		343
610	# ifdef HAVE_PIXBUF	344	# ifdef HAVE_PIXBUF
611	bool	345	bool
612	rxvt_term::pixbuf_to_pixmap (GdkPixbuf *pixbuf, Pixmap pixmap, GC gc,	346	rxvt_term::pixbuf_to_pixmap (GdkPixbuf *pixbuf, Pixmap pixmap, GC gc,
613	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,
614	unsigned int width, unsigned int height)	348	unsigned int width, unsigned int height)
615	{	349	{
616	XImage *ximage;	350	XImage *ximage;
617	char data, line;	351	char data, line;
618	int bytes_per_pixel;	352	int bytes_per_pixel;
619	int width_r, width_g, width_b;	353	int width_r, width_g, width_b, width_a;
620	int sh_r, sh_g, sh_b;	354	int sh_r, sh_g, sh_b, sh_a;
		355	uint32_t alpha_mask;
621	int rowstride;	356	int rowstride;
622	int channels;	357	int channels;
623	unsigned char *row;	358	unsigned char *row;
624		359
625	if (visual->c_class != TrueColor)	360	if (visual->c_class != TrueColor)
626	return false;	361	return false;
		362
		363	#if XRENDER
		364	XRenderPictFormat *format = XRenderFindVisualFormat (dpy, visual);
		365	if (format)
		366	alpha_mask = (uint32_t)format->direct.alphaMask << format->direct.alpha;
		367	else
		368	#endif
		369	alpha_mask = 0;
627		370
628	if (depth == 24 \|\| depth == 32)	371	if (depth == 24 \|\| depth == 32)
629	bytes_per_pixel = 4;	372	bytes_per_pixel = 4;
630	else if (depth == 15 \|\| depth == 16)	373	else if (depth == 15 \|\| depth == 16)
631	bytes_per_pixel = 2;	374	bytes_per_pixel = 2;
…		…
633	return false;	376	return false;
634		377
635	width_r = ecb_popcount32 (visual->red_mask);	378	width_r = ecb_popcount32 (visual->red_mask);
636	width_g = ecb_popcount32 (visual->green_mask);	379	width_g = ecb_popcount32 (visual->green_mask);
637	width_b = ecb_popcount32 (visual->blue_mask);	380	width_b = ecb_popcount32 (visual->blue_mask);
		381	width_a = ecb_popcount32 (alpha_mask);
638		382
639	if (width_r > 8 \|\| width_g > 8 \|\| width_b > 8)	383	if (width_r > 8 \|\| width_g > 8 \|\| width_b > 8 \|\| width_a > 8)
640	return false;	384	return false;
641		385
642	sh_r = ecb_ctz32 (visual->red_mask);	386	sh_r = ecb_ctz32 (visual->red_mask);
643	sh_g = ecb_ctz32 (visual->green_mask);	387	sh_g = ecb_ctz32 (visual->green_mask);
644	sh_b = ecb_ctz32 (visual->blue_mask);	388	sh_b = ecb_ctz32 (visual->blue_mask);
		389	sh_a = ecb_ctz32 (alpha_mask);
645		390
646	if (width > INT_MAX / height / bytes_per_pixel)	391	if (width > INT_MAX / height / bytes_per_pixel)
647	return false;	392	return false;
648		393
649	data = (char )malloc (width height * bytes_per_pixel);	394	data = (char )malloc (width height * bytes_per_pixel);
…		…
663	rowstride = gdk_pixbuf_get_rowstride (pixbuf);	408	rowstride = gdk_pixbuf_get_rowstride (pixbuf);
664	channels = gdk_pixbuf_get_n_channels (pixbuf);	409	channels = gdk_pixbuf_get_n_channels (pixbuf);
665	row = gdk_pixbuf_get_pixels (pixbuf) + src_y * rowstride + src_x * channels;	410	row = gdk_pixbuf_get_pixels (pixbuf) + src_y * rowstride + src_x * channels;
666	line = data;	411	line = data;
667		412
		413	rgba c (0, 0, 0);
		414
		415	if (channels == 4 && alpha_mask == 0)
		416	{
		417	pix_colors[Color_bg].get (c);
		418	c.r >>= 8;
		419	c.g >>= 8;
		420	c.b >>= 8;
		421	}
		422
668	for (int y = 0; y < height; y++)	423	for (int y = 0; y < height; y++)
669	{	424	{
670	for (int x = 0; x < width; x++)	425	for (int x = 0; x < width; x++)
671	{	426	{
672	unsigned char pixel = row + x channels;	427	unsigned char pixel = row + x channels;
673	uint32_t value;	428	uint32_t value;
		429	unsigned char r, g, b, a;
674		430
		431	if (channels == 4)
		432	{
		433	a = pixel[3];
		434	r = (pixel[0] * a + c.r * (0xff - a)) / 0xff;
		435	g = (pixel[1] * a + c.g * (0xff - a)) / 0xff;
		436	b = (pixel[2] * a + c.b * (0xff - a)) / 0xff;
		437	}
		438	else
		439	{
		440	a = 0xff;
		441	r = pixel[0];
		442	g = pixel[1];
		443	b = pixel[2];
		444	}
		445
675	value = ((pixel[0] >> (8 - width_r)) << sh_r)	446	value = ((r >> (8 - width_r)) << sh_r)
676	\| ((pixel[1] >> (8 - width_g)) << sh_g)	447	\| ((g >> (8 - width_g)) << sh_g)
677	\| ((pixel[2] >> (8 - width_b)) << sh_b);	448	\| ((b >> (8 - width_b)) << sh_b)
		449	\| ((a >> (8 - width_a)) << sh_a);
678		450
679	if (bytes_per_pixel == 4)	451	if (bytes_per_pixel == 4)
680	((uint32_t *)line)[x] = value;	452	((uint32_t *)line)[x] = value;
681	else	453	else
682	((uint16_t *)line)[x] = value;	454	((uint16_t *)line)[x] = value;
…		…
690	XDestroyImage (ximage);	462	XDestroyImage (ximage);
691	return true;	463	return true;
692	}	464	}
693		465
694	bool	466	bool
695	rxvt_term::render_image (unsigned long tr_flags)	467	rxvt_term::render_image (bool transparent)
696	{	468	{
697	if (!pixbuf)	469	if (!pixbuf)
698	return false;	470	return false;
699		471
700	if (tr_flags	472	if (transparent
701	&& !(bg_flags & BG_HAS_RENDER))	473	&& !(bg_flags & BG_HAS_RENDER))
702	return false;	474	return false;
703		475
704	GdkPixbuf *result;	476	GdkPixbuf *result;
705		477
…		…
719	get_image_geometry (image_width, image_height, w, h, x, y);	491	get_image_geometry (image_width, image_height, w, h, x, y);
720		492
721	if (!(bg_flags & BG_ROOT_ALIGN)	493	if (!(bg_flags & BG_ROOT_ALIGN)
722	&& (x >= target_width	494	&& (x >= target_width
723	\|\| y >= target_height	495	\|\| y >= target_height
724	\|\| (x + w <= 0)	496	\|\| x + w <= 0
725	\|\| (y + h <= 0)))	497	\|\| y + h <= 0))
726	return false;	498	return false;
727		499
728	result = pixbuf;	500	result = pixbuf;
729		501
730	if ((w != image_width)	502	if (w != image_width
731	\|\| (h != image_height))	503	\|\| h != image_height)
732	{	504	{
733	result = gdk_pixbuf_scale_simple (pixbuf,	505	result = gdk_pixbuf_scale_simple (pixbuf,
734	w, h,	506	w, h,
735	GDK_INTERP_BILINEAR);	507	GDK_INTERP_BILINEAR);
736	}	508	}
…		…
745	Pixmap root_pmap;	517	Pixmap root_pmap;
746		518
747	image_width = gdk_pixbuf_get_width (result);	519	image_width = gdk_pixbuf_get_width (result);
748	image_height = gdk_pixbuf_get_height (result);	520	image_height = gdk_pixbuf_get_height (result);
749		521
750	if (tr_flags)	522	if (transparent)
751	{	523	{
752	root_pmap = bg_pixmap;	524	root_pmap = bg_pixmap;
753	bg_pixmap = None;	525	bg_pixmap = None;
754	}	526	}
755	else	527	else
…		…
813	dst_x, dst_y,	585	dst_x, dst_y,
814	dst_width, dst_height);	586	dst_width, dst_height);
815	}	587	}
816		588
817	#if XRENDER	589	#if XRENDER
818	if (tr_flags)	590	if (transparent)
819	{	591	{
820	XRenderPictureAttributes pa;
821
822	XRenderPictFormat *src_format = XRenderFindVisualFormat (dpy, visual);	592	XRenderPictFormat *format = XRenderFindVisualFormat (dpy, visual);
		593
823	Picture src = XRenderCreatePicture (dpy, root_pmap, src_format, 0, &pa);	594	Picture src = XRenderCreatePicture (dpy, root_pmap, format, 0, 0);
824		595
825	XRenderPictFormat *dst_format = XRenderFindVisualFormat (dpy, visual);
826	Picture dst = XRenderCreatePicture (dpy, bg_pixmap, dst_format, 0, &pa);	596	Picture dst = XRenderCreatePicture (dpy, bg_pixmap, format, 0, 0);
827		597
828	pa.repeat = True;	598	Picture mask = create_xrender_mask (dpy, vt, False, False);
829	Pixmap mask_pmap = XCreatePixmap (dpy, vt, 1, 1, 8);
830	XRenderPictFormat *mask_format = XRenderFindStandardFormat (dpy, PictStandardA8);
831	Picture mask = XRenderCreatePicture (dpy, mask_pmap, mask_format, CPRepeat, &pa);
832	XFreePixmap (dpy, mask_pmap);
833		599
834	XRenderColor mask_c;	600	XRenderColor mask_c;
835		601
836	mask_c.alpha = 0x8000;	602	mask_c.alpha = 0x8000;
837	mask_c.red = 0;	603	mask_c.red =
838	mask_c.green = 0;	604	mask_c.green =
839	mask_c.blue = 0;	605	mask_c.blue = 0;
840	XRenderFillRectangle (dpy, PictOpSrc, mask, &mask_c, 0, 0, 1, 1);	606	XRenderFillRectangle (dpy, PictOpSrc, mask, &mask_c, 0, 0, 1, 1);
		607
841	XRenderComposite (dpy, PictOpOver, src, mask, dst, 0, 0, 0, 0, 0, 0, target_width, target_height);	608	XRenderComposite (dpy, PictOpOver, src, mask, dst, 0, 0, 0, 0, 0, 0, target_width, target_height);
842		609
843	XRenderFreePicture (dpy, src);	610	XRenderFreePicture (dpy, src);
844	XRenderFreePicture (dpy, dst);	611	XRenderFreePicture (dpy, dst);
845	XRenderFreePicture (dpy, mask);	612	XRenderFreePicture (dpy, mask);
…		…
852	}	619	}
853		620
854	if (result != pixbuf)	621	if (result != pixbuf)
855	g_object_unref (result);	622	g_object_unref (result);
856		623
857	if (tr_flags)	624	if (transparent)
858	XFreePixmap (dpy, root_pmap);	625	XFreePixmap (dpy, root_pmap);
859		626
860	return ret;	627	return ret;
861	}	628	}
862	# endif /* HAVE_PIXBUF */	629	# endif /* HAVE_PIXBUF */
…		…
865	rxvt_term::bg_set_file (const char *file)	632	rxvt_term::bg_set_file (const char *file)
866	{	633	{
867	if (!file \|\| !*file)	634	if (!file \|\| !*file)
868	return false;	635	return false;
869		636
		637	bool ret = false;
870	if (const char *p = strchr (file, ';'))	638	const char *p = strchr (file, ';');
		639
		640	if (p)
871	{	641	{
872	size_t len = p - file;	642	size_t len = p - file;
873	char *f = rxvt_temp_buf<char> (len + 1);	643	char *f = rxvt_temp_buf<char> (len + 1);
874	memcpy (f, file, len);	644	memcpy (f, file, len);
875	f[len] = '\0';	645	f[len] = '\0';
876	file = f;	646	file = f;
877	}	647	}
878		648
879	# ifdef HAVE_AFTERIMAGE
880	if (!asimman)
881	asimman = create_generic_imageman (rs[Rs_path]);
882	ASImage *image = get_asimage (asimman, file, 0xFFFFFFFF, 100);
883	if (image)
884	{
885	if (original_asim)
886	safe_asimage_destroy (original_asim);
887	original_asim = image;
888	bg_flags \|= BG_IS_FROM_FILE \| BG_CLIENT_RENDER;
889	return true;
890	}
891	# endif
892
893	# ifdef HAVE_PIXBUF	649	# ifdef HAVE_PIXBUF
894	GdkPixbuf *image = gdk_pixbuf_new_from_file (file, NULL);	650	GdkPixbuf *image = gdk_pixbuf_new_from_file (file, NULL);
895	if (image)	651	if (image)
896	{	652	{
897	if (pixbuf)	653	if (pixbuf)
898	g_object_unref (pixbuf);	654	g_object_unref (pixbuf);
899	pixbuf = image;	655	pixbuf = image;
900	bg_flags \|= BG_IS_FROM_FILE;	656	bg_flags \|= BG_IS_FROM_FILE;
901	return true;	657	ret = true;
902	}	658	}
903	# endif	659	# endif
904		660
		661	if (ret)
		662	{
		663	if (p)
		664	bg_set_geometry (p + 1);
		665	else
		666	bg_set_default_geometry ();
		667	}
		668
905	return false;	669	return ret;
906	}	670	}
907		671
908	# endif /* BG_IMAGE_FROM_FILE */	672	# endif /* BG_IMAGE_FROM_FILE */
909		673
910	# ifdef ENABLE_TRANSPARENCY	674	# ifdef ENABLE_TRANSPARENCY
…		…
946	{	710	{
947	changed = true;	711	changed = true;
948	v_blurRadius = vr;	712	v_blurRadius = vr;
949	}	713	}
950		714
951	if (v_blurRadius == 0 && h_blurRadius == 0)	715	if (h_blurRadius && v_blurRadius)
		716	bg_flags \|= BG_NEEDS_BLUR;
		717	else
952	bg_flags &= ~BG_NEEDS_BLUR;	718	bg_flags &= ~BG_NEEDS_BLUR;
953	else
954	bg_flags \|= BG_NEEDS_BLUR;
955		719
956	return changed;	720	return changed;
957	}	721	}
958		722
959	void	723	void
960	rxvt_term::set_tint_shade_flags ()	724	rxvt_term::set_tint_shade_flags ()
961	{	725	{
962	rgba c (rgba::MAX_CC,rgba::MAX_CC,rgba::MAX_CC);	726	if (shade != 100 \|\| (bg_flags & BG_TINT_SET))
963	bool has_shade = shade != 100;	727	bg_flags \|= BG_NEEDS_TINT;
		728	else
		729	bg_flags &= ~BG_NEEDS_TINT;
		730	}
964		731
		732	bool
		733	rxvt_term::bg_set_tint (rxvt_color &new_tint)
		734	{
		735	if (!(bg_flags & BG_TINT_SET) \|\| tint != new_tint)
		736	{
		737	tint = new_tint;
965	bg_flags &= ~BG_TINT_FLAGS;	738	bg_flags \|= BG_TINT_SET;
966		739
967	if (bg_flags & BG_TINT_SET)	740	rgba c;
968	{
969	tint.get (c);	741	tint.get (c);
970	if (!has_shade
971	&& (c.r <= 0x00ff \|\| c.r >= 0xff00)	742	if ((c.r <= 0x00ff \|\| c.r >= 0xff00)
972	&& (c.g <= 0x00ff \|\| c.g >= 0xff00)	743	&& (c.g <= 0x00ff \|\| c.g >= 0xff00)
973	&& (c.b <= 0x00ff \|\| c.b >= 0xff00))	744	&& (c.b <= 0x00ff \|\| c.b >= 0xff00))
974	bg_flags \|= BG_TINT_BITAND;	745	bg_flags \|= BG_TINT_BITAND;
975	}	746	else
976
977	if (has_shade \|\| (bg_flags & BG_TINT_SET))
978	bg_flags \|= BG_NEEDS_TINT;
979	}
980
981	bool
982	rxvt_term::bg_set_tint (rxvt_color &new_tint)
983	{
984	if (!(bg_flags & BG_TINT_SET) \|\| tint != new_tint)
985	{
986	tint = new_tint;
987	bg_flags \|= BG_TINT_SET;	747	bg_flags &= ~BG_TINT_BITAND;
		748
988	set_tint_shade_flags ();	749	set_tint_shade_flags ();
989	return true;	750	return true;
990	}	751	}
991		752
992	return false;	753	return false;
993	}	754	}
994		755
995	bool	756	bool
996	rxvt_term::bg_set_shade (const char *shade_str)	757	rxvt_term::bg_set_shade (const char *shade_str)
997	{	758	{
998	int new_shade = (shade_str) ? atoi (shade_str) : 100;	759	int new_shade = atoi (shade_str);
999		760
1000	clamp_it (new_shade, -100, 200);	761	clamp_it (new_shade, -100, 200);
1001	if (new_shade < 0)	762	if (new_shade < 0)
1002	new_shade = 200 - (100 + new_shade);	763	new_shade = 200 - (100 + new_shade);
1003		764
…		…
1033	params[i+2] = XDoubleToFixed (kernel[i] / sum);	794	params[i+2] = XDoubleToFixed (kernel[i] / sum);
1034	}	795	}
1035	#endif	796	#endif
1036		797
1037	bool	798	bool
1038	rxvt_term::blur_pixmap (Pixmap pixmap, Visual *visual, int width, int height)	799	rxvt_term::blur_pixmap (Pixmap pixmap, Visual *visual, int width, int height, int depth)
1039	{	800	{
1040	bool ret = false;	801	bool ret = false;
1041	#if XRENDER	802	#if XRENDER
		803	if (!(bg_flags & BG_HAS_RENDER_CONV))
		804	return false;
		805
1042	int size = max (h_blurRadius, v_blurRadius) * 2 + 1;	806	int size = max (h_blurRadius, v_blurRadius) * 2 + 1;
1043	double kernel = (double )malloc (size * sizeof (double));	807	double kernel = (double )malloc (size * sizeof (double));
1044	XFixed params = (XFixed )malloc ((size + 2) * sizeof (XFixed));	808	XFixed params = (XFixed )malloc ((size + 2) * sizeof (XFixed));
1045		809
1046	XRenderPictureAttributes pa;	810	XRenderPictureAttributes pa;
1047	XRenderPictFormat *format = XRenderFindVisualFormat (dpy, visual);	811	XRenderPictFormat *format = XRenderFindVisualFormat (dpy, visual);
1048		812
		813	pa.repeat = RepeatPad;
1049	Picture src = XRenderCreatePicture (dpy, pixmap, format, 0, &pa);	814	Picture src = XRenderCreatePicture (dpy, pixmap, format, CPRepeat, &pa);
		815	Pixmap tmp = XCreatePixmap (dpy, pixmap, width, height, depth);
1050	Picture dst = XRenderCreatePicture (dpy, pixmap, format, 0, &pa);	816	Picture dst = XRenderCreatePicture (dpy, tmp, format, CPRepeat, &pa);
		817	XFreePixmap (dpy, tmp);
1051		818
1052	if (kernel && params)	819	if (kernel && params)
1053	{	820	{
1054	if (h_blurRadius)
1055	{
1056	size = h_blurRadius * 2 + 1;	821	size = h_blurRadius * 2 + 1;
1057	get_gaussian_kernel (h_blurRadius, size, kernel, params);	822	get_gaussian_kernel (h_blurRadius, size, kernel, params);
1058		823
1059	XRenderSetPictureFilter (dpy, src, FilterConvolution, params, size+2);	824	XRenderSetPictureFilter (dpy, src, FilterConvolution, params, size+2);
1060	XRenderComposite (dpy,	825	XRenderComposite (dpy,
1061	PictOpSrc,	826	PictOpSrc,
1062	src,	827	src,
1063	None,	828	None,
1064	dst,	829	dst,
1065	0, 0,	830	0, 0,
1066	0, 0,	831	0, 0,
1067	0, 0,	832	0, 0,
1068	width, height);	833	width, height);
1069	}
1070		834
1071	if (v_blurRadius)	835	::swap (src, dst);
1072	{	836
1073	size = v_blurRadius * 2 + 1;	837	size = v_blurRadius * 2 + 1;
1074	get_gaussian_kernel (v_blurRadius, size, kernel, params);	838	get_gaussian_kernel (v_blurRadius, size, kernel, params);
1075	::swap (params[0], params[1]);	839	::swap (params[0], params[1]);
1076		840
1077	XRenderSetPictureFilter (dpy, src, FilterConvolution, params, size+2);	841	XRenderSetPictureFilter (dpy, src, FilterConvolution, params, size+2);
1078	XRenderComposite (dpy,	842	XRenderComposite (dpy,
1079	PictOpSrc,	843	PictOpSrc,
1080	src,	844	src,
1081	None,	845	None,
1082	dst,	846	dst,
1083	0, 0,	847	0, 0,
1084	0, 0,	848	0, 0,
1085	0, 0,	849	0, 0,
1086	width, height);	850	width, height);
1087	}
1088		851
1089	ret = true;	852	ret = true;
1090	}	853	}
1091		854
1092	free (kernel);	855	free (kernel);
…		…
1100	bool	863	bool
1101	rxvt_term::tint_pixmap (Pixmap pixmap, Visual *visual, int width, int height)	864	rxvt_term::tint_pixmap (Pixmap pixmap, Visual *visual, int width, int height)
1102	{	865	{
1103	bool ret = false;	866	bool ret = false;
1104		867
1105	if (bg_flags & BG_TINT_BITAND)	868	if (shade == 100 && (bg_flags & BG_TINT_BITAND))
1106	{	869	{
1107	XGCValues gcv;	870	XGCValues gcv;
1108	GC gc;	871	GC gc;
1109		872
1110	/* In this case we can tint image server-side getting significant	873	/* In this case we can tint image server-side getting significant
…		…
1119	XFillRectangle (dpy, pixmap, gc, 0, 0, width, height);	882	XFillRectangle (dpy, pixmap, gc, 0, 0, width, height);
1120	ret = true;	883	ret = true;
1121	XFreeGC (dpy, gc);	884	XFreeGC (dpy, gc);
1122	}	885	}
1123	}	886	}
1124	else
1125	{
1126	# if XRENDER	887	# if XRENDER
		888	else if (bg_flags & BG_HAS_RENDER)
		889	{
1127	rgba c (rgba::MAX_CC, rgba::MAX_CC, rgba::MAX_CC);	890	rgba c (rgba::MAX_CC, rgba::MAX_CC, rgba::MAX_CC);
1128		891
1129	if (bg_flags & BG_TINT_SET)	892	if (bg_flags & BG_TINT_SET)
1130	tint.get (c);	893	tint.get (c);
1131		894
…		…
1140	c.r = c.r * (200 - shade) / 100;	903	c.r = c.r * (200 - shade) / 100;
1141	c.g = c.g * (200 - shade) / 100;	904	c.g = c.g * (200 - shade) / 100;
1142	c.b = c.b * (200 - shade) / 100;	905	c.b = c.b * (200 - shade) / 100;
1143	}	906	}
1144		907
1145	XRenderPictFormat *solid_format = XRenderFindStandardFormat (dpy, PictStandardARGB32);
1146	XRenderPictFormat *format = XRenderFindVisualFormat (dpy, visual);	908	XRenderPictFormat *format = XRenderFindVisualFormat (dpy, visual);
1147	XRenderPictureAttributes pa;
1148		909
1149	Picture back_pic = XRenderCreatePicture (dpy, pixmap, format, 0, &pa);	910	Picture back_pic = XRenderCreatePicture (dpy, pixmap, format, 0, 0);
1150		911
1151	pa.repeat = True;	912	Picture overlay_pic = create_xrender_mask (dpy, pixmap, True, False);
1152		913
1153	Pixmap overlay_pmap = XCreatePixmap (dpy, pixmap, 1, 1, 32);	914	Picture mask_pic = create_xrender_mask (dpy, pixmap, True, True);
1154	Picture overlay_pic = XRenderCreatePicture (dpy, overlay_pmap, solid_format, CPRepeat, &pa);
1155	XFreePixmap (dpy, overlay_pmap);
1156
1157	pa.component_alpha = True;
1158	Pixmap mask_pmap = XCreatePixmap (dpy, pixmap, 1, 1, 32);
1159	Picture mask_pic = XRenderCreatePicture (dpy, mask_pmap, solid_format, CPRepeat \| CPComponentAlpha, &pa);
1160	XFreePixmap (dpy, mask_pmap);
1161		915
1162	XRenderColor mask_c;	916	XRenderColor mask_c;
1163		917
1164	mask_c.alpha = 0xffff;	918	mask_c.alpha = 0xffff;
1165	mask_c.red =	919	mask_c.red =
…		…
1170	mask_c.alpha = 0;	924	mask_c.alpha = 0;
1171	mask_c.red = 0xffff - c.r;	925	mask_c.red = 0xffff - c.r;
1172	mask_c.green = 0xffff - c.g;	926	mask_c.green = 0xffff - c.g;
1173	mask_c.blue = 0xffff - c.b;	927	mask_c.blue = 0xffff - c.b;
1174	XRenderFillRectangle (dpy, PictOpSrc, mask_pic, &mask_c, 0, 0, 1, 1);	928	XRenderFillRectangle (dpy, PictOpSrc, mask_pic, &mask_c, 0, 0, 1, 1);
		929
1175	XRenderComposite (dpy, PictOpOver, overlay_pic, mask_pic, back_pic, 0, 0, 0, 0, 0, 0, width, height);	930	XRenderComposite (dpy, PictOpOver, overlay_pic, mask_pic, back_pic, 0, 0, 0, 0, 0, 0, width, height);
1176		931
1177	if (shade > 100)	932	if (shade > 100)
1178	{	933	{
1179	mask_c.red = mask_c.green = mask_c.blue = 0xffff * (shade - 100) / 100;
1180	mask_c.alpha = 0;	934	mask_c.alpha = 0;
		935	mask_c.red =
		936	mask_c.green =
		937	mask_c.blue = 0xffff * (shade - 100) / 100;
1181	XRenderFillRectangle (dpy, PictOpSrc, overlay_pic, &mask_c, 0, 0, 1, 1);	938	XRenderFillRectangle (dpy, PictOpSrc, overlay_pic, &mask_c, 0, 0, 1, 1);
1182		939
1183	XRenderComposite (dpy, PictOpOver, overlay_pic, None, back_pic, 0, 0, 0, 0, 0, 0, width, height);	940	XRenderComposite (dpy, PictOpOver, overlay_pic, None, back_pic, 0, 0, 0, 0, 0, 0, width, height);
1184	}	941	}
1185		942
1186	ret = true;	943	ret = true;
1187		944
1188	XRenderFreePicture (dpy, mask_pic);	945	XRenderFreePicture (dpy, mask_pic);
1189	XRenderFreePicture (dpy, overlay_pic);	946	XRenderFreePicture (dpy, overlay_pic);
1190	XRenderFreePicture (dpy, back_pic);	947	XRenderFreePicture (dpy, back_pic);
		948	}
1191	# endif	949	# endif
1192	}
1193		950
1194	return ret;	951	return ret;
1195	}	952	}
1196		953
1197	/*	954	/*
1198	* Builds a pixmap of the same size as the terminal window that contains	955	* Builds a pixmap of the same size as the terminal window that contains
1199	* the tiled portion of the root pixmap that is supposed to be covered by	956	* the tiled portion of the root pixmap that is supposed to be covered by
1200	* our window.	957	* our window.
1201	*/	958	*/
1202	unsigned long	959	bool
1203	rxvt_term::make_transparency_pixmap ()	960	rxvt_term::make_transparency_pixmap ()
1204	{	961	{
1205	unsigned long result = 0;	962	bool ret = false;
1206		963
1207	/* root dimensions may change from call to call - but Display structure should	964	/* root dimensions may change from call to call - but Display structure should
1208	* be always up-to-date, so let's use it :	965	* be always up-to-date, so let's use it :
1209	*/	966	*/
1210	int screen = display->screen;	967	int screen = display->screen;
…		…
1248	#if XRENDER	1005	#if XRENDER
1249	if (bg_flags & BG_HAS_RENDER)	1006	if (bg_flags & BG_HAS_RENDER)
1250	{	1007	{
1251	recoded_root_pmap = XCreatePixmap (dpy, vt, root_pmap_width, root_pmap_height, depth);	1008	recoded_root_pmap = XCreatePixmap (dpy, vt, root_pmap_width, root_pmap_height, depth);
1252		1009
1253	XRenderPictureAttributes pa;
1254
1255	XRenderPictFormat *src_format = XRenderFindVisualFormat (dpy, DefaultVisual (dpy, screen));	1010	XRenderPictFormat *src_format = XRenderFindVisualFormat (dpy, DefaultVisual (dpy, screen));
1256	Picture src = XRenderCreatePicture (dpy, root_pixmap, src_format, 0, &pa);	1011	Picture src = XRenderCreatePicture (dpy, root_pixmap, src_format, 0, 0);
1257		1012
1258	XRenderPictFormat *dst_format = XRenderFindVisualFormat (dpy, visual);	1013	XRenderPictFormat *dst_format = XRenderFindVisualFormat (dpy, visual);
1259	Picture dst = XRenderCreatePicture (dpy, recoded_root_pmap, dst_format, 0, &pa);	1014	Picture dst = XRenderCreatePicture (dpy, recoded_root_pmap, dst_format, 0, 0);
1260		1015
1261	XRenderComposite (dpy, PictOpSrc, src, None, dst, 0, 0, 0, 0, 0, 0, root_pmap_width, root_pmap_height);	1016	XRenderComposite (dpy, PictOpSrc, src, None, dst, 0, 0, 0, 0, 0, 0, root_pmap_width, root_pmap_height);
1262		1017
1263	XRenderFreePicture (dpy, src);	1018	XRenderFreePicture (dpy, src);
1264	XRenderFreePicture (dpy, dst);	1019	XRenderFreePicture (dpy, dst);
…		…
1281	bg_pmap_width = window_width;	1036	bg_pmap_width = window_width;
1282	bg_pmap_height = window_height;	1037	bg_pmap_height = window_height;
1283	}	1038	}
1284		1039
1285	/* straightforward pixmap copy */	1040	/* straightforward pixmap copy */
1286	while (sx < 0) sx += root_width;	1041	while (sx < 0) sx += root_pmap_width;
1287	while (sy < 0) sy += root_height;	1042	while (sy < 0) sy += root_pmap_height;
1288		1043
1289	gcv.tile = recoded_root_pmap;	1044	gcv.tile = recoded_root_pmap;
1290	gcv.fill_style = FillTiled;	1045	gcv.fill_style = FillTiled;
1291	gcv.ts_x_origin = -sx;	1046	gcv.ts_x_origin = -sx;
1292	gcv.ts_y_origin = -sy;	1047	gcv.ts_y_origin = -sy;
1293	gc = XCreateGC (dpy, vt, GCFillStyle \| GCTile \| GCTileStipXOrigin \| GCTileStipYOrigin, &gcv);	1048	gc = XCreateGC (dpy, vt, GCFillStyle \| GCTile \| GCTileStipXOrigin \| GCTileStipYOrigin, &gcv);
1294		1049
1295	if (gc)	1050	if (gc)
1296	{	1051	{
1297	XFillRectangle (dpy, bg_pixmap, gc, 0, 0, window_width, window_height);	1052	XFillRectangle (dpy, bg_pixmap, gc, 0, 0, window_width, window_height);
1298	result \|= BG_IS_VALID \| (bg_flags & BG_EFFECTS_FLAGS);	1053	ret = true;
1299	XFreeGC (dpy, gc);	1054	unsigned long tr_flags = bg_flags & BG_EFFECTS_FLAGS;
1300		1055
1301	if (!(bg_flags & BG_CLIENT_RENDER))	1056	if (!(bg_flags & BG_CLIENT_RENDER))
1302	{	1057	{
1303	if ((bg_flags & BG_NEEDS_BLUR)	1058	if (bg_flags & BG_NEEDS_BLUR)
1304	&& (bg_flags & BG_HAS_RENDER_CONV))
1305	{	1059	{
1306	if (blur_pixmap (bg_pixmap, visual, window_width, window_height))	1060	if (blur_pixmap (bg_pixmap, visual, window_width, window_height, depth))
1307	result &= ~BG_NEEDS_BLUR;	1061	tr_flags &= ~BG_NEEDS_BLUR;
1308	}	1062	}
1309	if ((bg_flags & BG_NEEDS_TINT)	1063	if (bg_flags & BG_NEEDS_TINT)
1310	&& (bg_flags & (BG_TINT_BITAND \| BG_HAS_RENDER)))
1311	{	1064	{
1312	if (tint_pixmap (bg_pixmap, visual, window_width, window_height))	1065	if (tint_pixmap (bg_pixmap, visual, window_width, window_height))
1313	result &= ~BG_NEEDS_TINT;	1066	tr_flags &= ~BG_NEEDS_TINT;
		1067	}
		1068	if (tr_flags & BG_NEEDS_TINT)
		1069	{
		1070	XImage *ximage = XGetImage (dpy, bg_pixmap, 0, 0, bg_pmap_width, bg_pmap_height, AllPlanes, ZPixmap);
		1071	if (ximage)
		1072	{
		1073	/* our own client-side tinting */
		1074	tint_ximage (DefaultVisual (dpy, display->screen), ximage);
		1075
		1076	XPutImage (dpy, bg_pixmap, gc, ximage, 0, 0, 0, 0, ximage->width, ximage->height);
		1077	XDestroyImage (ximage);
		1078	}
1314	}	1079	}
1315	} /* server side rendering completed */	1080	} /* server side rendering completed */
		1081
		1082	XFreeGC (dpy, gc);
1316	}	1083	}
1317		1084
1318	if (recoded_root_pmap != root_pixmap)	1085	if (recoded_root_pmap != root_pixmap)
1319	XFreePixmap (dpy, recoded_root_pmap);	1086	XFreePixmap (dpy, recoded_root_pmap);
1320		1087
1321	return result;	1088	return ret;
1322	}	1089	}
1323		1090
1324	void	1091	void
1325	rxvt_term::bg_set_root_pixmap ()	1092	rxvt_term::bg_set_root_pixmap ()
1326	{	1093	{
…		…
1330		1097
1331	root_pixmap = new_root_pixmap;	1098	root_pixmap = new_root_pixmap;
1332	}	1099	}
1333	# endif /* ENABLE_TRANSPARENCY */	1100	# endif /* ENABLE_TRANSPARENCY */
1334		1101
1335	#if defined(ENABLE_TRANSPARENCY) && !defined(HAVE_AFTERIMAGE)
1336	static void shade_ximage (Visual visual, XImage ximage, int shade, const rgba &c);
1337	# endif
1338
1339	bool	1102	bool
1340	rxvt_term::bg_render ()	1103	rxvt_term::bg_render ()
1341	{	1104	{
1342	unsigned long tr_flags = 0;	1105	bool transparent = false;
1343		1106
1344	bg_invalidate ();	1107	bg_invalidate ();
1345	# ifdef ENABLE_TRANSPARENCY	1108	# ifdef ENABLE_TRANSPARENCY
1346	if (bg_flags & BG_IS_TRANSPARENT)	1109	if (bg_flags & BG_IS_TRANSPARENT)
1347	{	1110	{
1348	/* we need to re-generate transparency pixmap in that case ! */	1111	/* we need to re-generate transparency pixmap in that case ! */
1349	tr_flags = make_transparency_pixmap ();	1112	transparent = make_transparency_pixmap ();
1350	if (tr_flags == 0)	1113	if (transparent)
1351	return false;
1352	else if (!(tr_flags & BG_EFFECTS_FLAGS))
1353	bg_flags \|= BG_IS_VALID;	1114	bg_flags \|= BG_IS_VALID;
1354	}	1115	}
1355	# endif	1116	# endif
1356		1117
1357	# ifdef BG_IMAGE_FROM_FILE	1118	# ifdef BG_IMAGE_FROM_FILE
1358	if ((bg_flags & BG_IS_FROM_FILE)	1119	if (bg_flags & BG_IS_FROM_FILE)
1359	\|\| (tr_flags & BG_EFFECTS_FLAGS))
1360	{	1120	{
1361	if (render_image (tr_flags))	1121	if (render_image (transparent))
1362	bg_flags \|= BG_IS_VALID;	1122	bg_flags \|= BG_IS_VALID;
1363	}
1364	# endif
1365
1366	# if defined(ENABLE_TRANSPARENCY) && !defined(HAVE_AFTERIMAGE)
1367	XImage *result = NULL;
1368
1369	if (tr_flags && !(bg_flags & BG_IS_VALID))
1370	{
1371	result = XGetImage (dpy, bg_pixmap, 0, 0, bg_pmap_width, bg_pmap_height, AllPlanes, ZPixmap);
1372	}
1373
1374	if (result)
1375	{
1376	/* our own client-side tinting */
1377	if (tr_flags & BG_NEEDS_TINT)
1378	{
1379	rgba c (rgba::MAX_CC,rgba::MAX_CC,rgba::MAX_CC);
1380	if (bg_flags & BG_TINT_SET)
1381	tint.get (c);
1382	shade_ximage (DefaultVisual (dpy, display->screen), result, shade, c);
1383	}
1384
1385	GC gc = XCreateGC (dpy, vt, 0UL, NULL);
1386
1387	if (gc)
1388	{
1389	XPutImage (dpy, bg_pixmap, gc, result, 0, 0, 0, 0, result->width, result->height);
1390
1391	XFreeGC (dpy, gc);
1392	bg_flags \|= BG_IS_VALID;
1393	}
1394
1395	XDestroyImage (result);
1396	}	1123	}
1397	# endif	1124	# endif
1398		1125
1399	if (!(bg_flags & BG_IS_VALID))	1126	if (!(bg_flags & BG_IS_VALID))
1400	{	1127	{
…		…
1437	#endif	1164	#endif
1438	}	1165	}
1439		1166
1440	#endif /* HAVE_BG_PIXMAP */	1167	#endif /* HAVE_BG_PIXMAP */
1441		1168
1442	#if defined(ENABLE_TRANSPARENCY) && !defined(HAVE_AFTERIMAGE)	1169	#ifdef ENABLE_TRANSPARENCY
1443	/* taken from aterm-0.4.2 */	1170	/* based on code from aterm-0.4.2 */
1444		1171
1445	static void	1172	static inline void
1446	shade_ximage (Visual visual, XImage ximage, int shade, const rgba &c)	1173	fill_lut (uint32_t *lookup, uint32_t mask, int sh, unsigned short low, unsigned short high)
		1174	{
		1175	for (int i = 0; i <= mask >> sh; i++)
		1176	{
		1177	uint32_t tmp;
		1178	tmp = i * high;
		1179	tmp += (mask >> sh) * low;
		1180	lookup[i] = (tmp / 0xffff) << sh;
		1181	}
		1182	}
		1183
		1184	void
		1185	rxvt_term::tint_ximage (Visual visual, XImage ximage)
1447	{	1186	{
1448	int sh_r, sh_g, sh_b;	1187	int sh_r, sh_g, sh_b;
1449	uint32_t mask_r, mask_g, mask_b;	1188	uint32_t mask_r, mask_g, mask_b;
1450	uint32_t lookup, lookup_r, lookup_g, lookup_b;	1189	uint32_t lookup, lookup_r, lookup_g, lookup_b;
1451	rgba low;	1190	unsigned short low;
1452	rgba high;
1453	int i;
1454	int host_byte_order = ecb_big_endian () ? MSBFirst : LSBFirst;	1191	int host_byte_order = ecb_big_endian () ? MSBFirst : LSBFirst;
1455		1192
1456	if (visual->c_class != TrueColor \|\| ximage->format != ZPixmap) return;	1193	if (visual->c_class != TrueColor \|\| ximage->format != ZPixmap) return;
1457		1194
1458	/* for convenience */	1195	/* for convenience */
…		…
1517	break;	1254	break;
1518	default:	1255	default:
1519	return; /* we do not support this color depth */	1256	return; /* we do not support this color depth */
1520	}	1257	}
1521		1258
		1259	rgba c (rgba::MAX_CC, rgba::MAX_CC, rgba::MAX_CC);
		1260
		1261	if (bg_flags & BG_TINT_SET)
		1262	tint.get (c);
		1263
1522	/* prepare limits for color transformation (each channel is handled separately) */	1264	/* prepare limits for color transformation (each channel is handled separately) */
1523	if (shade > 100)	1265	if (shade > 100)
1524	{	1266	{
1525	shade = 200 - shade;
1526
1527	high.r = c.r * shade / 100;
1528	high.g = c.g * shade / 100;
1529	high.b = c.b * shade / 100;
1530
1531	low.r = 65535 * (100 - shade) / 100;	1267	c.r = c.r * (200 - shade) / 100;
1532	low.g = 65535 * (100 - shade) / 100;	1268	c.g = c.g * (200 - shade) / 100;
1533	low.b = 65535 * (100 - shade) / 100;	1269	c.b = c.b * (200 - shade) / 100;
		1270
		1271	low = 0xffff * (shade - 100) / 100;
1534	}	1272	}
1535	else	1273	else
1536	{	1274	{
1537	high.r = c.r * shade / 100;	1275	c.r = c.r * shade / 100;
1538	high.g = c.g * shade / 100;	1276	c.g = c.g * shade / 100;
1539	high.b = c.b * shade / 100;	1277	c.b = c.b * shade / 100;
1540		1278
1541	low.r = low.g = low.b = 0;	1279	low = 0;
1542	}	1280	}
1543		1281
1544	/* fill our lookup tables */	1282	/* fill our lookup tables */
1545	for (i = 0; i <= mask_r>>sh_r; i++)	1283	fill_lut (lookup_r, mask_r, sh_r, low, c.r);
1546	{	1284	fill_lut (lookup_g, mask_g, sh_g, low, c.g);
1547	uint32_t tmp;	1285	fill_lut (lookup_b, mask_b, sh_b, low, c.b);
1548	tmp = i * high.r;
1549	tmp += (mask_r>>sh_r) * low.r;
1550	lookup_r[i] = (tmp/65535)<<sh_r;
1551	}
1552	for (i = 0; i <= mask_g>>sh_g; i++)
1553	{
1554	uint32_t tmp;
1555	tmp = i * high.g;
1556	tmp += (mask_g>>sh_g) * low.g;
1557	lookup_g[i] = (tmp/65535)<<sh_g;
1558	}
1559	for (i = 0; i <= mask_b>>sh_b; i++)
1560	{
1561	uint32_t tmp;
1562	tmp = i * high.b;
1563	tmp += (mask_b>>sh_b) * low.b;
1564	lookup_b[i] = (tmp/65535)<<sh_b;
1565	}
1566		1286
1567	/* apply table to input image (replacing colors by newly calculated ones) */	1287	/* apply table to input image (replacing colors by newly calculated ones) */
1568	if (ximage->bits_per_pixel == 32	1288	if (ximage->bits_per_pixel == 32
1569	&& (ximage->depth == 24 \|\| ximage->depth == 32)	1289	&& (ximage->depth == 24 \|\| ximage->depth == 32)
1570	&& ximage->byte_order == host_byte_order)	1290	&& ximage->byte_order == host_byte_order)
1571	{	1291	{
1572	uint32_t p1, pf, p, pl;	1292	char *line = ximage->data;
1573	p1 = (uint32_t *) ximage->data;
1574	pf = (uint32_t ) (ximage->data + ximage->height ximage->bytes_per_line);
1575		1293
1576	while (p1 < pf)	1294	for (int y = 0; y < ximage->height; y++)
1577	{	1295	{
1578	p = p1;	1296	uint32_t p = (uint32_t )line;
1579	pl = p1 + ximage->width;	1297	for (int x = 0; x < ximage->width; x++)
1580	for (; p < pl; p++)
1581	{	1298	{
1582	p = lookup_r[(p & 0xff0000) >> 16] \|	1299	p = lookup_r[(p & 0xff0000) >> 16] \|
1583	lookup_g[(*p & 0x00ff00) >> 8] \|	1300	lookup_g[(*p & 0x00ff00) >> 8] \|
1584	lookup_b[(*p & 0x0000ff)] \|	1301	lookup_b[(*p & 0x0000ff)] \|
1585	(*p & 0xff000000);	1302	(*p & 0xff000000);
1586	}	1303	p++;
1587	p1 = (uint32_t ) ((char ) p1 + ximage->bytes_per_line);	1304	}
		1305	line += ximage->bytes_per_line;
1588	}	1306	}
1589	}	1307	}
1590	else	1308	else
1591	{	1309	{
1592	for (int y = 0; y < ximage->height; y++)	1310	for (int y = 0; y < ximage->height; y++)
…		…
1600	}	1318	}
1601	}	1319	}
1602		1320
1603	free (lookup);	1321	free (lookup);
1604	}	1322	}
1605	#endif /* defined(ENABLE_TRANSPARENCY) && !defined(HAVE_AFTERIMAGE) */	1323	#endif /* ENABLE_TRANSPARENCY */

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Comparing rxvt-unicode/src/background.C (file contents): Revision 1.163 by sf-exg, Sat Aug 13 09:05:44 2011 UTC vs. Revision 1.208 by sf-exg, Fri May 11 08:16:58 2012 UTC

Diff Legend

Comparing rxvt-unicode/src/background.C (file contents):
Revision 1.163 by sf-exg, Sat Aug 13 09:05:44 2011 UTC vs.
Revision 1.208 by sf-exg, Fri May 11 08:16:58 2012 UTC