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

Comparing rxvt-unicode/src/background.C (file contents):
Revision 1.183 by sf-exg, Sun Dec 25 17:05:53 2011 UTC vs.
Revision 1.207 by sf-exg, Thu May 10 21:48:55 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	#ifndef RepeatPad
		38	#define RepeatPad True
		39	#endif
		40
37	#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
38	void	60	void
39	rxvt_term::bg_destroy ()	61	rxvt_term::bg_destroy ()
40	{	62	{
41	#ifdef HAVE_AFTERIMAGE
42	if (original_asim)
43	safe_asimage_destroy (original_asim);
44	if (asv)
45	destroy_asvisual (asv, 0);
46	if (asimman)
47	destroy_image_manager (asimman, 0);
48	#endif
49
50	#ifdef HAVE_PIXBUF	63	#ifdef HAVE_PIXBUF
51	if (pixbuf)	64	if (pixbuf)
52	g_object_unref (pixbuf);	65	g_object_unref (pixbuf);
53	#endif	66	#endif
54		67
…		…
107		120
108	return false;	121	return false;
109	}	122	}
110		123
111	# ifdef BG_IMAGE_FROM_FILE	124	# ifdef BG_IMAGE_FROM_FILE
112	static inline bool
113	check_set_scale_value (int geom_flags, int flag, unsigned int &scale, unsigned int new_value)
114	{
115	if (geom_flags & flag)
116	{
117	if (new_value > 1000)
118	new_value = 1000;
119	if (new_value != scale)
120	{
121	scale = new_value;
122	return true;
123	}
124	}
125	return false;
126	}
127
128	static inline bool
129	check_set_align_value (int geom_flags, int flag, int &align, int new_value)
130	{
131	if (geom_flags & flag)
132	{
133	if (new_value < -100)
134	new_value = -100;
135	else if (new_value > 200)
136	new_value = 200;
137	if (new_value != align)
138	{
139	align = new_value;
140	return true;
141	}
142	}
143	return false;
144	}
145
146	static inline int	125	static inline int
147	make_align_position (int align, int window_size, int image_size)	126	make_align_position (int align, int window_size, int image_size)
148	{	127	{
149	int diff = window_size - image_size;
150	int smaller = min (image_size, window_size);
151
152	if (align >= 0 && align <= 100)	128	if (align >= 0 && align <= 100)
153	return diff * align / 100;	129	return lerp (0, window_size - image_size, align);
154	else if (align > 100 && align <= 200)	130	else if (align > 100)
155	return (align - 100) * smaller / 100 + window_size - smaller;	131	return lerp (window_size - image_size, window_size, align - 100);
156	else if (align >= -100 && align < 0)	132	else
157	return (align + 100) * smaller / 100 - image_size;	133	return lerp (-image_size, 0, align + 100);
158	return 0;
159	}	134	}
160		135
161	static inline int	136	static inline int
162	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)
163	{	138	{
…		…
169	src_pos = -pos;	144	src_pos = -pos;
170	dst_pos = 0;	145	dst_pos = 0;
171	dst_size += pos;	146	dst_size += pos;
172	}	147	}
173		148
174	if (dst_pos + dst_size > target_size)
175	dst_size = target_size - dst_pos;	149	min_it (dst_size, target_size - dst_pos);
176	return src_pos;	150	return src_pos;
177	}	151	}
178		152
179	bool	153	bool
180	rxvt_term::bg_set_geometry (const char *geom, bool update)	154	rxvt_term::bg_set_geometry (const char *geom, bool update)
181	{	155	{
182	bool changed = false;	156	bool changed = false;
183	int geom_flags = 0;	157	int geom_flags = 0;
184	int x = 0, y = 0;	158	int x = h_align;
		159	int y = v_align;
185	unsigned int w = 0, h = 0;	160	unsigned int w = h_scale;
186	unsigned long new_flags = bg_flags & ~BG_GEOMETRY_FLAGS;	161	unsigned int h = v_scale;
		162	unsigned long new_flags = 0;
187		163
188	if (geom == NULL)	164	if (geom == NULL)
189	return false;	165	return false;
190		166
191	if (geom[0])	167	if (geom[0])
…		…
284	} /* done parsing ops */	260	} /* done parsing ops */
285		261
286	rxvt_free_strsplit (arr);	262	rxvt_free_strsplit (arr);
287	}	263	}
288		264
		265	new_flags \|= bg_flags & ~BG_GEOMETRY_FLAGS;
		266
289	if (!update)	267	if (!update)
290	{	268	{
291	if (!(geom_flags & XValue))	269	if (!(geom_flags & XValue))
292	x = y = defaultAlign;	270	x = y = defaultAlign;
293	else if (!(geom_flags & YValue))	271	else if (!(geom_flags & YValue))
…		…
297	w = h = defaultScale;	275	w = h = defaultScale;
298	else if (!(geom_flags & HeightValue))	276	else if (!(geom_flags & HeightValue))
299	h = w;	277	h = w;
300	else if (!(geom_flags & WidthValue))	278	else if (!(geom_flags & WidthValue))
301	w = h;	279	w = h;
302
303	geom_flags \|= WidthValue\|HeightValue\|XValue\|YValue;
304	}	280	}
305		281
306	if (check_set_scale_value (geom_flags, WidthValue, h_scale, w)) changed = true;	282	min_it (w, 1000);
307	if (check_set_scale_value (geom_flags, HeightValue, v_scale, h)) changed = true;	283	min_it (h, 1000);
308	if (check_set_align_value (geom_flags, XValue, h_align, x)) changed = true;	284	clamp_it (x, -100, 200);
309	if (check_set_align_value (geom_flags, YValue, v_align, y)) changed = true;	285	clamp_it (y, -100, 200);
310		286
311	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)
312	{	292	{
313	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;
314	changed = true;	298	changed = true;
315	}	299	}
316		300
317	return changed;	301	return changed;
318	}	302	}
…		…
346	{	330	{
347	x = make_align_position (h_align, target_width, w);	331	x = make_align_position (h_align, target_width, w);
348	y = make_align_position (v_align, target_height, h);	332	y = make_align_position (v_align, target_height, h);
349	}	333	}
350		334
351	bg_flags &= ~BG_IS_SIZE_SENSITIVE;
352	if (!(bg_flags & BG_TILE)	335	if (!(bg_flags & BG_TILE)
353	\|\| h_scale \|\| v_scale	336	\|\| h_scale \|\| v_scale
354	\|\| (!(bg_flags & BG_ROOT_ALIGN) && (h_align \|\| v_align))	337	\|\| (!(bg_flags & BG_ROOT_ALIGN) && (h_align \|\| v_align))
355	\|\| w > target_width \|\| h > target_height)	338	\|\| image_width > target_width \|\| image_height > target_height)
356	bg_flags \|= BG_IS_SIZE_SENSITIVE;	339	bg_flags \|= BG_IS_SIZE_SENSITIVE;
357	}
358
359	# ifdef HAVE_AFTERIMAGE
360	bool
361	rxvt_term::render_image (unsigned long tr_flags)
362	{
363	init_asv ();
364
365	ASImage *background = NULL;
366	ARGB32 background_tint = TINT_LEAVE_SAME;
367
368	# ifdef ENABLE_TRANSPARENCY
369	if (tr_flags)
370	background = pixmap2ximage (asv, bg_pixmap, 0, 0, bg_pmap_width, bg_pmap_height, AllPlanes, 100);
371
372	if (tr_flags & BG_NEEDS_TINT)
373	{
374	ShadingInfo as_shade;
375	as_shade.shading = shade;
376
377	rgba c (rgba::MAX_CC,rgba::MAX_CC,rgba::MAX_CC);
378	if (bg_flags & BG_TINT_SET)
379	tint.get (c);
380	as_shade.tintColor.red = c.r;
381	as_shade.tintColor.green = c.g;
382	as_shade.tintColor.blue = c.b;
383
384	background_tint = shading2tint32 (&as_shade);
385	}
386
387	if ((tr_flags & BG_NEEDS_BLUR) && background != NULL)
388	{
389	ASImage *tmp = blur_asimage_gauss (asv, background, h_blurRadius, v_blurRadius, 0xFFFFFFFF,
390	ASA_XImage,
391	100, ASIMAGE_QUALITY_DEFAULT);
392	if (tmp)
393	{
394	destroy_asimage (&background);
395	background = tmp;
396	}
397	}
398	# endif
399
400	ASImage *result = 0;
401
402	int target_width = szHint.width;
403	int target_height = szHint.height;
404	int new_pmap_width = target_width;
405	int new_pmap_height = target_height;
406
407	int x = 0;
408	int y = 0;
409	int w = 0;
410	int h = 0;
411
412	if (original_asim)
413	get_image_geometry (original_asim->width, original_asim->height, w, h, x, y);
414
415	if (!original_asim
416	\|\| (!(bg_flags & BG_ROOT_ALIGN)
417	&& (x >= target_width
418	\|\| y >= target_height
419	\|\| x + w <= 0
420	\|\| y + h <= 0)))
421	{
422	if (background)
423	{
424	new_pmap_width = background->width;
425	new_pmap_height = background->height;
426	result = background;
427
428	if (background_tint != TINT_LEAVE_SAME)
429	{
430	ASImage *tmp = tile_asimage (asv, background, 0, 0,
431	target_width, target_height, background_tint,
432	ASA_XImage, 100, ASIMAGE_QUALITY_DEFAULT);
433	if (tmp)
434	result = tmp;
435	}
436	}
437	else
438	new_pmap_width = new_pmap_height = 0;
439	}
440	else	340	else
441	{	341	bg_flags &= ~BG_IS_SIZE_SENSITIVE;
442	result = original_asim;
443
444	if (w != original_asim->width
445	\|\| h != original_asim->height)
446	{
447	result = scale_asimage (asv, original_asim,
448	w, h,
449	ASA_XImage,
450	100, ASIMAGE_QUALITY_DEFAULT);
451	}
452
453	if (background == NULL)
454	{
455	if (bg_flags & BG_TILE)
456	{
457	/* if tiling - pixmap has to be sized exactly as the image,
458	but there is no need to make it bigger than the window! */
459	new_pmap_width = min (result->width, target_width);
460	new_pmap_height = min (result->height, target_height);
461
462	/* we also need to tile our image in both directions */
463	ASImage *tmp = tile_asimage (asv, result,
464	(int)result->width - x,
465	(int)result->height - y,
466	new_pmap_width,
467	new_pmap_height,
468	TINT_LEAVE_SAME, ASA_XImage,
469	100, ASIMAGE_QUALITY_DEFAULT);
470	if (tmp)
471	{
472	if (result != original_asim)
473	destroy_asimage (&result);
474
475	result = tmp;
476	}
477	}
478	}
479	else
480	{
481	/* if blending background and image - pixmap has to be sized same as target window */
482	ASImageLayer *layers = create_image_layers (2);
483
484	layers[0].im = background;
485	layers[0].clip_width = target_width;
486	layers[0].clip_height = target_height;
487	layers[0].tint = background_tint;
488	layers[1].im = result;
489
490	if (bg_flags & BG_TILE)
491	{
492	/* tile horizontally */
493	while (x > 0) x -= (int)result->width;
494	layers[1].dst_x = x;
495	layers[1].clip_width = result->width+target_width;
496	}
497	else
498	{
499	/* clip horizontally */
500	layers[1].dst_x = x;
501	layers[1].clip_width = result->width;
502	}
503
504	if (bg_flags & BG_TILE)
505	{
506	while (y > 0) y -= (int)result->height;
507	layers[1].dst_y = y;
508	layers[1].clip_height = result->height + target_height;
509	}
510	else
511	{
512	layers[1].dst_y = y;
513	layers[1].clip_height = result->height;
514	}
515
516	if (rs[Rs_blendtype])
517	{
518	layers[1].merge_scanlines = blend_scanlines_name2func (rs[Rs_blendtype]);
519	if (layers[1].merge_scanlines == NULL)
520	layers[1].merge_scanlines = alphablend_scanlines;
521	}
522
523	ASImage *tmp = merge_layers (asv, layers, 2, target_width, target_height,
524	ASA_XImage, 0, ASIMAGE_QUALITY_DEFAULT);
525
526	if (tmp)
527	{
528	if (result != original_asim)
529	destroy_asimage (&result);
530
531	result = tmp;
532	}
533
534	free (layers);
535	}
536	}
537
538	bool ret = false;
539
540	if (result)
541	{
542	XGCValues gcv;
543	GC gc;
544
545	/* create Pixmap */
546	if (bg_pixmap == None
547	\|\| bg_pmap_width != new_pmap_width
548	\|\| bg_pmap_height != new_pmap_height)
549	{
550	if (bg_pixmap)
551	XFreePixmap (dpy, bg_pixmap);
552	bg_pixmap = XCreatePixmap (dpy, vt, new_pmap_width, new_pmap_height, depth);
553	bg_pmap_width = new_pmap_width;
554	bg_pmap_height = new_pmap_height;
555	}
556	/* fill with background color (if result's not completely overlapping it) */
557	gcv.foreground = pix_colors[Color_bg];
558	gc = XCreateGC (dpy, vt, GCForeground, &gcv);
559
560	int src_x = 0, src_y = 0, dst_x = 0, dst_y = 0;
561	int dst_width = result->width, dst_height = result->height;
562	if (background == NULL)
563	{
564	if (!(bg_flags & BG_TILE))
565	{
566	src_x = make_clip_rectangle (x, result->width , new_pmap_width , dst_x, dst_width );
567	src_y = make_clip_rectangle (y, result->height, new_pmap_height, dst_y, dst_height);
568	}
569
570	if (dst_x > 0 \|\| dst_y > 0
571	\|\| dst_x + dst_width < new_pmap_width
572	\|\| dst_y + dst_height < new_pmap_height)
573	XFillRectangle (dpy, bg_pixmap, gc, 0, 0, new_pmap_width, new_pmap_height);
574	}
575
576	/* put result on pixmap */
577	if (dst_x < new_pmap_width && dst_y < new_pmap_height)
578	asimage2drawable (asv, bg_pixmap, result, gc, src_x, src_y, dst_x, dst_y, dst_width, dst_height, True);
579
580	if (result != background && result != original_asim)
581	destroy_asimage (&result);
582
583	XFreeGC (dpy, gc);
584
585	ret = true;
586	}
587
588	if (background)
589	destroy_asimage (&background);
590
591	return ret;
592	}	342	}
593	# endif /* HAVE_AFTERIMAGE */
594		343
595	# ifdef HAVE_PIXBUF	344	# ifdef HAVE_PIXBUF
596	bool	345	bool
597	rxvt_term::pixbuf_to_pixmap (GdkPixbuf *pixbuf, Pixmap pixmap, GC gc,	346	rxvt_term::pixbuf_to_pixmap (GdkPixbuf *pixbuf, Pixmap pixmap, GC gc,
598	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,
599	unsigned int width, unsigned int height)	348	unsigned int width, unsigned int height)
600	{	349	{
601	XImage *ximage;	350	XImage *ximage;
602	char data, line;	351	char data, line;
603	int bytes_per_pixel;	352	int bytes_per_pixel;
604	int width_r, width_g, width_b;	353	int width_r, width_g, width_b, width_a;
605	int sh_r, sh_g, sh_b;	354	int sh_r, sh_g, sh_b, sh_a;
		355	uint32_t alpha_mask;
606	int rowstride;	356	int rowstride;
607	int channels;	357	int channels;
608	unsigned char *row;	358	unsigned char *row;
609		359
610	if (visual->c_class != TrueColor)	360	if (visual->c_class != TrueColor)
611	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;
612		370
613	if (depth == 24 \|\| depth == 32)	371	if (depth == 24 \|\| depth == 32)
614	bytes_per_pixel = 4;	372	bytes_per_pixel = 4;
615	else if (depth == 15 \|\| depth == 16)	373	else if (depth == 15 \|\| depth == 16)
616	bytes_per_pixel = 2;	374	bytes_per_pixel = 2;
…		…
618	return false;	376	return false;
619		377
620	width_r = ecb_popcount32 (visual->red_mask);	378	width_r = ecb_popcount32 (visual->red_mask);
621	width_g = ecb_popcount32 (visual->green_mask);	379	width_g = ecb_popcount32 (visual->green_mask);
622	width_b = ecb_popcount32 (visual->blue_mask);	380	width_b = ecb_popcount32 (visual->blue_mask);
		381	width_a = ecb_popcount32 (alpha_mask);
623		382
624	if (width_r > 8 \|\| width_g > 8 \|\| width_b > 8)	383	if (width_r > 8 \|\| width_g > 8 \|\| width_b > 8 \|\| width_a > 8)
625	return false;	384	return false;
626		385
627	sh_r = ecb_ctz32 (visual->red_mask);	386	sh_r = ecb_ctz32 (visual->red_mask);
628	sh_g = ecb_ctz32 (visual->green_mask);	387	sh_g = ecb_ctz32 (visual->green_mask);
629	sh_b = ecb_ctz32 (visual->blue_mask);	388	sh_b = ecb_ctz32 (visual->blue_mask);
		389	sh_a = ecb_ctz32 (alpha_mask);
630		390
631	if (width > INT_MAX / height / bytes_per_pixel)	391	if (width > INT_MAX / height / bytes_per_pixel)
632	return false;	392	return false;
633		393
634	data = (char )malloc (width height * bytes_per_pixel);	394	data = (char )malloc (width height * bytes_per_pixel);
…		…
648	rowstride = gdk_pixbuf_get_rowstride (pixbuf);	408	rowstride = gdk_pixbuf_get_rowstride (pixbuf);
649	channels = gdk_pixbuf_get_n_channels (pixbuf);	409	channels = gdk_pixbuf_get_n_channels (pixbuf);
650	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;
651	line = data;	411	line = data;
652		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
653	for (int y = 0; y < height; y++)	423	for (int y = 0; y < height; y++)
654	{	424	{
655	for (int x = 0; x < width; x++)	425	for (int x = 0; x < width; x++)
656	{	426	{
657	unsigned char pixel = row + x channels;	427	unsigned char pixel = row + x channels;
658	uint32_t value;	428	uint32_t value;
		429	unsigned char r, g, b, a;
659		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
660	value = ((pixel[0] >> (8 - width_r)) << sh_r)	446	value = ((r >> (8 - width_r)) << sh_r)
661	\| ((pixel[1] >> (8 - width_g)) << sh_g)	447	\| ((g >> (8 - width_g)) << sh_g)
662	\| ((pixel[2] >> (8 - width_b)) << sh_b);	448	\| ((b >> (8 - width_b)) << sh_b)
		449	\| ((a >> (8 - width_a)) << sh_a);
663		450
664	if (bytes_per_pixel == 4)	451	if (bytes_per_pixel == 4)
665	((uint32_t *)line)[x] = value;	452	((uint32_t *)line)[x] = value;
666	else	453	else
667	((uint16_t *)line)[x] = value;	454	((uint16_t *)line)[x] = value;
…		…
675	XDestroyImage (ximage);	462	XDestroyImage (ximage);
676	return true;	463	return true;
677	}	464	}
678		465
679	bool	466	bool
680	rxvt_term::render_image (unsigned long tr_flags)	467	rxvt_term::render_image (bool transparent)
681	{	468	{
682	if (!pixbuf)	469	if (!pixbuf)
683	return false;	470	return false;
684		471
685	if (tr_flags	472	if (transparent
686	&& !(bg_flags & BG_HAS_RENDER))	473	&& !(bg_flags & BG_HAS_RENDER))
687	return false;	474	return false;
688		475
689	GdkPixbuf *result;	476	GdkPixbuf *result;
690		477
…		…
730	Pixmap root_pmap;	517	Pixmap root_pmap;
731		518
732	image_width = gdk_pixbuf_get_width (result);	519	image_width = gdk_pixbuf_get_width (result);
733	image_height = gdk_pixbuf_get_height (result);	520	image_height = gdk_pixbuf_get_height (result);
734		521
735	if (tr_flags)	522	if (transparent)
736	{	523	{
737	root_pmap = bg_pixmap;	524	root_pmap = bg_pixmap;
738	bg_pixmap = None;	525	bg_pixmap = None;
739	}	526	}
740	else	527	else
…		…
798	dst_x, dst_y,	585	dst_x, dst_y,
799	dst_width, dst_height);	586	dst_width, dst_height);
800	}	587	}
801		588
802	#if XRENDER	589	#if XRENDER
803	if (tr_flags)	590	if (transparent)
804	{	591	{
805	XRenderPictureAttributes pa;
806
807	XRenderPictFormat *src_format = XRenderFindVisualFormat (dpy, visual);	592	XRenderPictFormat *format = XRenderFindVisualFormat (dpy, visual);
		593
808	Picture src = XRenderCreatePicture (dpy, root_pmap, src_format, 0, &pa);	594	Picture src = XRenderCreatePicture (dpy, root_pmap, format, 0, 0);
809		595
810	XRenderPictFormat *dst_format = XRenderFindVisualFormat (dpy, visual);
811	Picture dst = XRenderCreatePicture (dpy, bg_pixmap, dst_format, 0, &pa);	596	Picture dst = XRenderCreatePicture (dpy, bg_pixmap, format, 0, 0);
812		597
813	pa.repeat = True;	598	Picture mask = create_xrender_mask (dpy, vt, False, False);
814	Pixmap mask_pmap = XCreatePixmap (dpy, vt, 1, 1, 8);
815	XRenderPictFormat *mask_format = XRenderFindStandardFormat (dpy, PictStandardA8);
816	Picture mask = XRenderCreatePicture (dpy, mask_pmap, mask_format, CPRepeat, &pa);
817	XFreePixmap (dpy, mask_pmap);
818		599
819	XRenderColor mask_c;	600	XRenderColor mask_c;
820		601
821	mask_c.alpha = 0x8000;	602	mask_c.alpha = 0x8000;
822	mask_c.red = 0;	603	mask_c.red =
823	mask_c.green = 0;	604	mask_c.green =
824	mask_c.blue = 0;	605	mask_c.blue = 0;
825	XRenderFillRectangle (dpy, PictOpSrc, mask, &mask_c, 0, 0, 1, 1);	606	XRenderFillRectangle (dpy, PictOpSrc, mask, &mask_c, 0, 0, 1, 1);
		607
826	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);
827		609
828	XRenderFreePicture (dpy, src);	610	XRenderFreePicture (dpy, src);
829	XRenderFreePicture (dpy, dst);	611	XRenderFreePicture (dpy, dst);
830	XRenderFreePicture (dpy, mask);	612	XRenderFreePicture (dpy, mask);
…		…
837	}	619	}
838		620
839	if (result != pixbuf)	621	if (result != pixbuf)
840	g_object_unref (result);	622	g_object_unref (result);
841		623
842	if (tr_flags)	624	if (transparent)
843	XFreePixmap (dpy, root_pmap);	625	XFreePixmap (dpy, root_pmap);
844		626
845	return ret;	627	return ret;
846	}	628	}
847	# endif /* HAVE_PIXBUF */	629	# endif /* HAVE_PIXBUF */
…		…
862	memcpy (f, file, len);	644	memcpy (f, file, len);
863	f[len] = '\0';	645	f[len] = '\0';
864	file = f;	646	file = f;
865	}	647	}
866		648
867	# ifdef HAVE_AFTERIMAGE
868	if (!asimman)
869	asimman = create_generic_imageman (rs[Rs_path]);
870	ASImage *image = get_asimage (asimman, file, 0xFFFFFFFF, 100);
871	if (image)
872	{
873	if (original_asim)
874	safe_asimage_destroy (original_asim);
875	original_asim = image;
876	bg_flags \|= BG_IS_FROM_FILE \| BG_CLIENT_RENDER;
877	ret = true;
878	}
879	# endif
880
881	# ifdef HAVE_PIXBUF	649	# ifdef HAVE_PIXBUF
882	GdkPixbuf *image = gdk_pixbuf_new_from_file (file, NULL);	650	GdkPixbuf *image = gdk_pixbuf_new_from_file (file, NULL);
883	if (image)	651	if (image)
884	{	652	{
885	if (pixbuf)	653	if (pixbuf)
…		…
942	{	710	{
943	changed = true;	711	changed = true;
944	v_blurRadius = vr;	712	v_blurRadius = vr;
945	}	713	}
946		714
947	if (v_blurRadius == 0 && h_blurRadius == 0)	715	if (h_blurRadius && v_blurRadius)
		716	bg_flags \|= BG_NEEDS_BLUR;
		717	else
948	bg_flags &= ~BG_NEEDS_BLUR;	718	bg_flags &= ~BG_NEEDS_BLUR;
949	else
950	bg_flags \|= BG_NEEDS_BLUR;
951		719
952	return changed;	720	return changed;
953	}	721	}
954		722
955	void	723	void
956	rxvt_term::set_tint_shade_flags ()	724	rxvt_term::set_tint_shade_flags ()
957	{	725	{
		726	if (shade != 100 \|\| (bg_flags & BG_TINT_SET))
		727	bg_flags \|= BG_NEEDS_TINT;
		728	else
		729	bg_flags &= ~BG_NEEDS_TINT;
		730	}
		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;
		738	bg_flags \|= BG_TINT_SET;
		739
958	rgba c;	740	rgba c;
959	bool has_shade = shade != 100;
960
961	bg_flags &= ~BG_TINT_FLAGS;
962
963	if (bg_flags & BG_TINT_SET)
964	{
965	tint.get (c);	741	tint.get (c);
966	if (!has_shade
967	&& (c.r <= 0x00ff \|\| c.r >= 0xff00)	742	if ((c.r <= 0x00ff \|\| c.r >= 0xff00)
968	&& (c.g <= 0x00ff \|\| c.g >= 0xff00)	743	&& (c.g <= 0x00ff \|\| c.g >= 0xff00)
969	&& (c.b <= 0x00ff \|\| c.b >= 0xff00))	744	&& (c.b <= 0x00ff \|\| c.b >= 0xff00))
970	bg_flags \|= BG_TINT_BITAND;	745	bg_flags \|= BG_TINT_BITAND;
971	}	746	else
972
973	if (has_shade \|\| (bg_flags & BG_TINT_SET))
974	bg_flags \|= BG_NEEDS_TINT;
975	}
976
977	bool
978	rxvt_term::bg_set_tint (rxvt_color &new_tint)
979	{
980	if (!(bg_flags & BG_TINT_SET) \|\| tint != new_tint)
981	{
982	tint = new_tint;
983	bg_flags \|= BG_TINT_SET;	747	bg_flags &= ~BG_TINT_BITAND;
		748
984	set_tint_shade_flags ();	749	set_tint_shade_flags ();
985	return true;	750	return true;
986	}	751	}
987		752
988	return false;	753	return false;
989	}	754	}
990		755
991	bool	756	bool
992	rxvt_term::bg_set_shade (const char *shade_str)	757	rxvt_term::bg_set_shade (const char *shade_str)
993	{	758	{
994	int new_shade = (shade_str) ? atoi (shade_str) : 100;	759	int new_shade = atoi (shade_str);
995		760
996	clamp_it (new_shade, -100, 200);	761	clamp_it (new_shade, -100, 200);
997	if (new_shade < 0)	762	if (new_shade < 0)
998	new_shade = 200 - (100 + new_shade);	763	new_shade = 200 - (100 + new_shade);
999		764
…		…
1029	params[i+2] = XDoubleToFixed (kernel[i] / sum);	794	params[i+2] = XDoubleToFixed (kernel[i] / sum);
1030	}	795	}
1031	#endif	796	#endif
1032		797
1033	bool	798	bool
1034	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)
1035	{	800	{
1036	bool ret = false;	801	bool ret = false;
1037	#if XRENDER	802	#if XRENDER
1038	if (!(bg_flags & BG_HAS_RENDER_CONV))	803	if (!(bg_flags & BG_HAS_RENDER_CONV))
1039	return false;	804	return false;
…		…
1043	XFixed params = (XFixed )malloc ((size + 2) * sizeof (XFixed));	808	XFixed params = (XFixed )malloc ((size + 2) * sizeof (XFixed));
1044		809
1045	XRenderPictureAttributes pa;	810	XRenderPictureAttributes pa;
1046	XRenderPictFormat *format = XRenderFindVisualFormat (dpy, visual);	811	XRenderPictFormat *format = XRenderFindVisualFormat (dpy, visual);
1047		812
		813	pa.repeat = RepeatPad;
1048	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);
1049	Picture dst = XRenderCreatePicture (dpy, pixmap, format, 0, &pa);	816	Picture dst = XRenderCreatePicture (dpy, tmp, format, CPRepeat, &pa);
		817	XFreePixmap (dpy, tmp);
1050		818
1051	if (kernel && params)	819	if (kernel && params)
1052	{	820	{
1053	if (h_blurRadius)
1054	{
1055	size = h_blurRadius * 2 + 1;	821	size = h_blurRadius * 2 + 1;
1056	get_gaussian_kernel (h_blurRadius, size, kernel, params);	822	get_gaussian_kernel (h_blurRadius, size, kernel, params);
1057		823
1058	XRenderSetPictureFilter (dpy, src, FilterConvolution, params, size+2);	824	XRenderSetPictureFilter (dpy, src, FilterConvolution, params, size+2);
1059	XRenderComposite (dpy,	825	XRenderComposite (dpy,
1060	PictOpSrc,	826	PictOpSrc,
1061	src,	827	src,
1062	None,	828	None,
1063	dst,	829	dst,
1064	0, 0,	830	0, 0,
1065	0, 0,	831	0, 0,
1066	0, 0,	832	0, 0,
1067	width, height);	833	width, height);
1068	}
1069		834
1070	if (v_blurRadius)	835	::swap (src, dst);
1071	{	836
1072	size = v_blurRadius * 2 + 1;	837	size = v_blurRadius * 2 + 1;
1073	get_gaussian_kernel (v_blurRadius, size, kernel, params);	838	get_gaussian_kernel (v_blurRadius, size, kernel, params);
1074	::swap (params[0], params[1]);	839	::swap (params[0], params[1]);
1075		840
1076	XRenderSetPictureFilter (dpy, src, FilterConvolution, params, size+2);	841	XRenderSetPictureFilter (dpy, src, FilterConvolution, params, size+2);
1077	XRenderComposite (dpy,	842	XRenderComposite (dpy,
1078	PictOpSrc,	843	PictOpSrc,
1079	src,	844	src,
1080	None,	845	None,
1081	dst,	846	dst,
1082	0, 0,	847	0, 0,
1083	0, 0,	848	0, 0,
1084	0, 0,	849	0, 0,
1085	width, height);	850	width, height);
1086	}
1087		851
1088	ret = true;	852	ret = true;
1089	}	853	}
1090		854
1091	free (kernel);	855	free (kernel);
…		…
1099	bool	863	bool
1100	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)
1101	{	865	{
1102	bool ret = false;	866	bool ret = false;
1103		867
1104	if (bg_flags & BG_TINT_BITAND)	868	if (shade == 100 && (bg_flags & BG_TINT_BITAND))
1105	{	869	{
1106	XGCValues gcv;	870	XGCValues gcv;
1107	GC gc;	871	GC gc;
1108		872
1109	/* In this case we can tint image server-side getting significant	873	/* In this case we can tint image server-side getting significant
…		…
1139	c.r = c.r * (200 - shade) / 100;	903	c.r = c.r * (200 - shade) / 100;
1140	c.g = c.g * (200 - shade) / 100;	904	c.g = c.g * (200 - shade) / 100;
1141	c.b = c.b * (200 - shade) / 100;	905	c.b = c.b * (200 - shade) / 100;
1142	}	906	}
1143		907
1144	XRenderPictFormat *solid_format = XRenderFindStandardFormat (dpy, PictStandardARGB32);
1145	XRenderPictFormat *format = XRenderFindVisualFormat (dpy, visual);	908	XRenderPictFormat *format = XRenderFindVisualFormat (dpy, visual);
1146	XRenderPictureAttributes pa;
1147		909
1148	Picture back_pic = XRenderCreatePicture (dpy, pixmap, format, 0, &pa);	910	Picture back_pic = XRenderCreatePicture (dpy, pixmap, format, 0, 0);
1149		911
1150	pa.repeat = True;	912	Picture overlay_pic = create_xrender_mask (dpy, pixmap, True, False);
1151		913
1152	Pixmap overlay_pmap = XCreatePixmap (dpy, pixmap, 1, 1, 32);	914	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		915
1161	XRenderColor mask_c;	916	XRenderColor mask_c;
1162		917
1163	mask_c.alpha = 0xffff;	918	mask_c.alpha = 0xffff;
1164	mask_c.red =	919	mask_c.red =
…		…
1169	mask_c.alpha = 0;	924	mask_c.alpha = 0;
1170	mask_c.red = 0xffff - c.r;	925	mask_c.red = 0xffff - c.r;
1171	mask_c.green = 0xffff - c.g;	926	mask_c.green = 0xffff - c.g;
1172	mask_c.blue = 0xffff - c.b;	927	mask_c.blue = 0xffff - c.b;
1173	XRenderFillRectangle (dpy, PictOpSrc, mask_pic, &mask_c, 0, 0, 1, 1);	928	XRenderFillRectangle (dpy, PictOpSrc, mask_pic, &mask_c, 0, 0, 1, 1);
		929
1174	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);
1175		931
1176	if (shade > 100)	932	if (shade > 100)
1177	{	933	{
1178	mask_c.red = mask_c.green = mask_c.blue = 0xffff * (shade - 100) / 100;
1179	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;
1180	XRenderFillRectangle (dpy, PictOpSrc, overlay_pic, &mask_c, 0, 0, 1, 1);	938	XRenderFillRectangle (dpy, PictOpSrc, overlay_pic, &mask_c, 0, 0, 1, 1);
1181		939
1182	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);
1183	}	941	}
1184		942
…		…
1196	/*	954	/*
1197	* 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
1198	* 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
1199	* our window.	957	* our window.
1200	*/	958	*/
1201	unsigned long	959	bool
1202	rxvt_term::make_transparency_pixmap ()	960	rxvt_term::make_transparency_pixmap ()
1203	{	961	{
1204	unsigned long result = 0;	962	bool ret = false;
1205		963
1206	/* 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
1207	* be always up-to-date, so let's use it :	965	* be always up-to-date, so let's use it :
1208	*/	966	*/
1209	int screen = display->screen;	967	int screen = display->screen;
…		…
1247	#if XRENDER	1005	#if XRENDER
1248	if (bg_flags & BG_HAS_RENDER)	1006	if (bg_flags & BG_HAS_RENDER)
1249	{	1007	{
1250	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);
1251		1009
1252	XRenderPictureAttributes pa;
1253
1254	XRenderPictFormat *src_format = XRenderFindVisualFormat (dpy, DefaultVisual (dpy, screen));	1010	XRenderPictFormat *src_format = XRenderFindVisualFormat (dpy, DefaultVisual (dpy, screen));
1255	Picture src = XRenderCreatePicture (dpy, root_pixmap, src_format, 0, &pa);	1011	Picture src = XRenderCreatePicture (dpy, root_pixmap, src_format, 0, 0);
1256		1012
1257	XRenderPictFormat *dst_format = XRenderFindVisualFormat (dpy, visual);	1013	XRenderPictFormat *dst_format = XRenderFindVisualFormat (dpy, visual);
1258	Picture dst = XRenderCreatePicture (dpy, recoded_root_pmap, dst_format, 0, &pa);	1014	Picture dst = XRenderCreatePicture (dpy, recoded_root_pmap, dst_format, 0, 0);
1259		1015
1260	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);
1261		1017
1262	XRenderFreePicture (dpy, src);	1018	XRenderFreePicture (dpy, src);
1263	XRenderFreePicture (dpy, dst);	1019	XRenderFreePicture (dpy, dst);
…		…
1292	gc = XCreateGC (dpy, vt, GCFillStyle \| GCTile \| GCTileStipXOrigin \| GCTileStipYOrigin, &gcv);	1048	gc = XCreateGC (dpy, vt, GCFillStyle \| GCTile \| GCTileStipXOrigin \| GCTileStipYOrigin, &gcv);
1293		1049
1294	if (gc)	1050	if (gc)
1295	{	1051	{
1296	XFillRectangle (dpy, bg_pixmap, gc, 0, 0, window_width, window_height);	1052	XFillRectangle (dpy, bg_pixmap, gc, 0, 0, window_width, window_height);
1297	result \|= BG_IS_VALID \| (bg_flags & BG_EFFECTS_FLAGS);	1053	ret = true;
1298	XFreeGC (dpy, gc);	1054	unsigned long tr_flags = bg_flags & BG_EFFECTS_FLAGS;
1299		1055
1300	if (!(bg_flags & BG_CLIENT_RENDER))	1056	if (!(bg_flags & BG_CLIENT_RENDER))
1301	{	1057	{
1302	if (bg_flags & BG_NEEDS_BLUR)	1058	if (bg_flags & BG_NEEDS_BLUR)
1303	{	1059	{
1304	if (blur_pixmap (bg_pixmap, visual, window_width, window_height))	1060	if (blur_pixmap (bg_pixmap, visual, window_width, window_height, depth))
1305	result &= ~BG_NEEDS_BLUR;	1061	tr_flags &= ~BG_NEEDS_BLUR;
1306	}	1062	}
1307	if (bg_flags & BG_NEEDS_TINT)	1063	if (bg_flags & BG_NEEDS_TINT)
1308	{	1064	{
1309	if (tint_pixmap (bg_pixmap, visual, window_width, window_height))	1065	if (tint_pixmap (bg_pixmap, visual, window_width, window_height))
1310	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	}
1311	}	1079	}
1312	} /* server side rendering completed */	1080	} /* server side rendering completed */
		1081
		1082	XFreeGC (dpy, gc);
1313	}	1083	}
1314		1084
1315	if (recoded_root_pmap != root_pixmap)	1085	if (recoded_root_pmap != root_pixmap)
1316	XFreePixmap (dpy, recoded_root_pmap);	1086	XFreePixmap (dpy, recoded_root_pmap);
1317		1087
1318	return result;	1088	return ret;
1319	}	1089	}
1320		1090
1321	void	1091	void
1322	rxvt_term::bg_set_root_pixmap ()	1092	rxvt_term::bg_set_root_pixmap ()
1323	{	1093	{
…		…
1330	# endif /* ENABLE_TRANSPARENCY */	1100	# endif /* ENABLE_TRANSPARENCY */
1331		1101
1332	bool	1102	bool
1333	rxvt_term::bg_render ()	1103	rxvt_term::bg_render ()
1334	{	1104	{
1335	unsigned long tr_flags = 0;	1105	bool transparent = false;
1336		1106
1337	bg_invalidate ();	1107	bg_invalidate ();
1338	# ifdef ENABLE_TRANSPARENCY	1108	# ifdef ENABLE_TRANSPARENCY
1339	if (bg_flags & BG_IS_TRANSPARENT)	1109	if (bg_flags & BG_IS_TRANSPARENT)
1340	{	1110	{
1341	/* we need to re-generate transparency pixmap in that case ! */	1111	/* we need to re-generate transparency pixmap in that case ! */
1342	tr_flags = make_transparency_pixmap ();	1112	transparent = make_transparency_pixmap ();
1343	if (tr_flags == 0)	1113	if (transparent)
1344	return false;
1345	bg_flags \|= BG_IS_VALID;	1114	bg_flags \|= BG_IS_VALID;
1346	}	1115	}
1347	# endif	1116	# endif
1348		1117
1349	# ifdef BG_IMAGE_FROM_FILE	1118	# ifdef BG_IMAGE_FROM_FILE
1350	if ((bg_flags & BG_IS_FROM_FILE)	1119	if (bg_flags & BG_IS_FROM_FILE)
1351	\|\| (tr_flags & BG_EFFECTS_FLAGS))
1352	{	1120	{
1353	if (render_image (tr_flags))	1121	if (render_image (transparent))
1354	bg_flags \|= BG_IS_VALID;	1122	bg_flags \|= BG_IS_VALID;
1355	}
1356	# endif
1357
1358	# if defined(ENABLE_TRANSPARENCY) && !defined(HAVE_AFTERIMAGE)
1359	XImage *result = NULL;
1360
1361	if (tr_flags & BG_NEEDS_TINT)
1362	{
1363	result = XGetImage (dpy, bg_pixmap, 0, 0, bg_pmap_width, bg_pmap_height, AllPlanes, ZPixmap);
1364	}
1365
1366	if (result)
1367	{
1368	/* our own client-side tinting */
1369	//if (tr_flags & BG_NEEDS_TINT)
1370	if (1)
1371	tint_ximage (DefaultVisual (dpy, display->screen), result);
1372
1373	GC gc = XCreateGC (dpy, vt, 0UL, NULL);
1374
1375	if (gc)
1376	{
1377	XPutImage (dpy, bg_pixmap, gc, result, 0, 0, 0, 0, result->width, result->height);
1378
1379	XFreeGC (dpy, gc);
1380	}
1381
1382	XDestroyImage (result);
1383	}	1123	}
1384	# endif	1124	# endif
1385		1125
1386	if (!(bg_flags & BG_IS_VALID))	1126	if (!(bg_flags & BG_IS_VALID))
1387	{	1127	{
…		…
1424	#endif	1164	#endif
1425	}	1165	}
1426		1166
1427	#endif /* HAVE_BG_PIXMAP */	1167	#endif /* HAVE_BG_PIXMAP */
1428		1168
1429	#if defined(ENABLE_TRANSPARENCY) && !defined(HAVE_AFTERIMAGE)	1169	#ifdef ENABLE_TRANSPARENCY
1430	/* based on code from aterm-0.4.2 */	1170	/* based on code from aterm-0.4.2 */
1431		1171
1432	static inline void	1172	static inline void
1433	fill_lut (uint32_t *lookup, uint32_t mask, int sh, unsigned short low, unsigned short high)	1173	fill_lut (uint32_t *lookup, uint32_t mask, int sh, unsigned short low, unsigned short high)
1434	{	1174	{
…		…
1446	{	1186	{
1447	int sh_r, sh_g, sh_b;	1187	int sh_r, sh_g, sh_b;
1448	uint32_t mask_r, mask_g, mask_b;	1188	uint32_t mask_r, mask_g, mask_b;
1449	uint32_t lookup, lookup_r, lookup_g, lookup_b;	1189	uint32_t lookup, lookup_r, lookup_g, lookup_b;
1450	unsigned short low;	1190	unsigned short low;
1451	rgba high;
1452	int host_byte_order = ecb_big_endian () ? MSBFirst : LSBFirst;	1191	int host_byte_order = ecb_big_endian () ? MSBFirst : LSBFirst;
1453		1192
1454	if (visual->c_class != TrueColor \|\| ximage->format != ZPixmap) return;	1193	if (visual->c_class != TrueColor \|\| ximage->format != ZPixmap) return;
1455		1194
1456	/* for convenience */	1195	/* for convenience */
…		…
1523	tint.get (c);	1262	tint.get (c);
1524		1263
1525	/* prepare limits for color transformation (each channel is handled separately) */	1264	/* prepare limits for color transformation (each channel is handled separately) */
1526	if (shade > 100)	1265	if (shade > 100)
1527	{	1266	{
1528	high.r = c.r * (200 - shade) / 100;	1267	c.r = c.r * (200 - shade) / 100;
1529	high.g = c.g * (200 - shade) / 100;	1268	c.g = c.g * (200 - shade) / 100;
1530	high.b = c.b * (200 - shade) / 100;	1269	c.b = c.b * (200 - shade) / 100;
1531		1270
1532	low = 0xffff * (shade - 100) / 100;	1271	low = 0xffff * (shade - 100) / 100;
1533	}	1272	}
1534	else	1273	else
1535	{	1274	{
1536	high.r = c.r * shade / 100;	1275	c.r = c.r * shade / 100;
1537	high.g = c.g * shade / 100;	1276	c.g = c.g * shade / 100;
1538	high.b = c.b * shade / 100;	1277	c.b = c.b * shade / 100;
1539		1278
1540	low = 0;	1279	low = 0;
1541	}	1280	}
1542		1281
1543	/* fill our lookup tables */	1282	/* fill our lookup tables */
1544	fill_lut (lookup_r, mask_r, sh_r, low, high.r);	1283	fill_lut (lookup_r, mask_r, sh_r, low, c.r);
1545	fill_lut (lookup_g, mask_g, sh_g, low, high.g);	1284	fill_lut (lookup_g, mask_g, sh_g, low, c.g);
1546	fill_lut (lookup_b, mask_b, sh_b, low, high.b);	1285	fill_lut (lookup_b, mask_b, sh_b, low, c.b);
1547		1286
1548	/* apply table to input image (replacing colors by newly calculated ones) */	1287	/* apply table to input image (replacing colors by newly calculated ones) */
1549	if (ximage->bits_per_pixel == 32	1288	if (ximage->bits_per_pixel == 32
1550	&& (ximage->depth == 24 \|\| ximage->depth == 32)	1289	&& (ximage->depth == 24 \|\| ximage->depth == 32)
1551	&& ximage->byte_order == host_byte_order)	1290	&& ximage->byte_order == host_byte_order)
…		…
1581	}	1320	}
1582	}	1321	}
1583		1322
1584	free (lookup);	1323	free (lookup);
1585	}	1324	}
1586	#endif /* defined(ENABLE_TRANSPARENCY) && !defined(HAVE_AFTERIMAGE) */	1325	#endif /* ENABLE_TRANSPARENCY */

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Comparing rxvt-unicode/src/background.C (file contents): Revision 1.183 by sf-exg, Sun Dec 25 17:05:53 2011 UTC vs. Revision 1.207 by sf-exg, Thu May 10 21:48:55 2012 UTC

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Comparing rxvt-unicode/src/background.C (file contents):
Revision 1.183 by sf-exg, Sun Dec 25 17:05:53 2011 UTC vs.
Revision 1.207 by sf-exg, Thu May 10 21:48:55 2012 UTC