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

Comparing rxvt-unicode/src/background.C (file contents):
Revision 1.62 by sf-exg, Sun Oct 3 21:44:13 2010 UTC vs.
Revision 1.83 by sf-exg, Thu Oct 14 17:39:42 2010 UTC

…		…
3	----------------------------------------------------------------------	3	----------------------------------------------------------------------
4	*	4	*
5	* All portions of code are copyright by their respective author/s.	5	* All portions of code are copyright by their respective author/s.
6	* Copyright (c) 2005-2008 Marc Lehmann <pcg@goof.com>	6	* Copyright (c) 2005-2008 Marc Lehmann <pcg@goof.com>
7	* Copyright (c) 2007 Sasha Vasko <sasha@aftercode.net>	7	* Copyright (c) 2007 Sasha Vasko <sasha@aftercode.net>
		8	* Copyright (c) 2010 Emanuele Giaquinta <e.giaquinta@glauco.it>
8	*	9	*
9	* This program is free software; you can redistribute it and/or modify	10	* This program is free software; you can redistribute it and/or modify
10	* it under the terms of the GNU General Public License as published by	11	* it under the terms of the GNU General Public License as published by
11	* the Free Software Foundation; either version 2 of the License, or	12	* the Free Software Foundation; either version 2 of the License, or
12	* (at your option) any later version.	13	* (at your option) any later version.
…		…
19	* 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
20	* along with this program; if not, write to the Free Software	21	* along with this program; if not, write to the Free Software
21	* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.	22	* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
22	---------------------------------------------------------------------/	23	---------------------------------------------------------------------/
23		24
		25	#include <cmath>
24	#include "../config.h" /* NECESSARY */	26	#include "../config.h" /* NECESSARY */
25	#include "rxvt.h" /* NECESSARY */	27	#include "rxvt.h" /* NECESSARY */
26		28
27	#define DO_TIMING_TEST 0	29	#define DO_TIMING_TEST 0
28		30
…		…
104	#ifdef BG_IMAGE_FROM_FILE	106	#ifdef BG_IMAGE_FROM_FILE
105	have_image = false;	107	have_image = false;
106	h_scale = v_scale = 0;	108	h_scale = v_scale = 0;
107	h_align = v_align = 0;	109	h_align = v_align = 0;
108	#endif	110	#endif
		111	#ifdef ENABLE_TRANSPARENCY
		112	shade = 100;
		113	#endif
109	flags = 0;	114	flags = 0;
110	pixmap = None;	115	pixmap = None;
111	valid_since = invalid_since = 0;	116	valid_since = invalid_since = 0;
112	target = 0;	117	target = 0;
113	}	118	}
…		…
157	# endif	162	# endif
158		163
159	# ifdef BG_IMAGE_FROM_FILE	164	# ifdef BG_IMAGE_FROM_FILE
160	if (have_image)	165	if (have_image)
161	{	166	{
162	if (h_align == rootAlign \|\| v_align == rootAlign)	167	if (flags & rootAlign)
163	return true;	168	return true;
164	}	169	}
165	# endif	170	# endif
166		171
167	return false;	172	return false;
…		…
171	{	176	{
172	# ifdef HAVE_AFTERIMAGE	177	# ifdef HAVE_AFTERIMAGE
173	if (original_asim)	178	if (original_asim)
174	return true;	179	return true;
175	# endif	180	# endif
176	# ifdef ENABLE_TRANSPARENCY
177	if (flags & isTransparent)
178	{
179	# ifdef HAVE_AFTERIMAGE // can't blur without libAI anyways
180	if ((flags & blurNeeded) && !(flags & blurServerSide))
181	return true;
182	# endif
183	if ((flags & tintNeeded) && !(flags & tintServerSide))
184	return true;
185	}
186	# endif
187	return false;	181	return false;
188	}	182	}
189		183
190	# ifdef BG_IMAGE_FROM_FILE	184	# ifdef BG_IMAGE_FROM_FILE
191	static inline bool	185	static inline bool
…		…
207	static inline bool	201	static inline bool
208	check_set_align_value (int geom_flags, int flag, int &align, int new_value)	202	check_set_align_value (int geom_flags, int flag, int &align, int new_value)
209	{	203	{
210	if (geom_flags & flag)	204	if (geom_flags & flag)
211	{	205	{
212	if (new_value != bgPixmap_t::rootAlign)
213	{
214	if (new_value < -100)	206	if (new_value < -100)
215	new_value = -100;	207	new_value = -100;
216	else if (new_value > 200)	208	else if (new_value > 200)
217	new_value = 200;	209	new_value = 200;
218	}
219	if (new_value != align)	210	if (new_value != align)
220	{	211	{
221	align = new_value;	212	align = new_value;
222	return true;	213	return true;
223	}	214	}
…		…
229	make_align_position (int align, int window_size, int image_size)	220	make_align_position (int align, int window_size, int image_size)
230	{	221	{
231	int diff = window_size - image_size;	222	int diff = window_size - image_size;
232	int smaller = min (image_size, window_size);	223	int smaller = min (image_size, window_size);
233		224
234	if (align >= 0 && align <= 50)	225	if (align >= 0 && align <= 100)
235	return diff * align / 100;	226	return diff * align / 100;
236	else if (align > 50 && align <= 100)
237	return window_size - image_size - diff * (100 - align) / 100;
238	else if (align > 100 && align <= 200 )	227	else if (align > 100 && align <= 200 )
239	return ((align - 100) * smaller / 100) + window_size - smaller;	228	return ((align - 100) * smaller / 100) + window_size - smaller;
240	else if (align > -100 && align < 0)	229	else if (align >= -100 && align < 0)
241	return ((align + 100) * smaller / 100) - image_size;	230	return ((align + 100) * smaller / 100) - image_size;
242	return 0;	231	return 0;
243	}	232	}
244		233
245	static inline int	234	static inline int
246	make_clip_rectangle (int pos, int size, int target_size, int &dst_pos, int &dst_size)	235	make_clip_rectangle (int pos, int size, int target_size, int &dst_pos, int &dst_size)
247	{	236	{
248	int src_pos = 0;	237	int src_pos = 0;
249	dst_pos = 0;	238	dst_pos = pos;
250	dst_size = size;	239	dst_size = size;
251	if (pos < 0)	240	if (pos < 0)
252	{	241	{
253	src_pos = -pos;	242	src_pos = -pos;
		243	dst_pos = 0;
254	dst_size += pos;	244	dst_size += pos;
255	}	245	}
256	else if (pos > 0)
257	dst_pos = pos;
258		246
259	if (dst_pos + dst_size > target_size)	247	if (dst_pos + dst_size > target_size)
260	dst_size = target_size - dst_pos;	248	dst_size = target_size - dst_pos;
261	return src_pos;	249	return src_pos;
262	}	250	}
…		…
418	x = y = centerAlign;	406	x = y = centerAlign;
419	geom_flags \|= WidthValue\|HeightValue\|XValue\|YValue;	407	geom_flags \|= WidthValue\|HeightValue\|XValue\|YValue;
420	}	408	}
421	else if (CHECK_GEOM_OPS ("root"))	409	else if (CHECK_GEOM_OPS ("root"))
422	{	410	{
		411	new_flags \|= rootAlign;
423	w = h = noScale;	412	w = h = noScale;
424	x = y = rootAlign;
425	geom_flags \|= WidthValue\|HeightValue\|XValue\|YValue;	413	geom_flags \|= WidthValue\|HeightValue;
426	}	414	}
427	# undef CHECK_GEOM_OPS	415	# undef CHECK_GEOM_OPS
428		416
429	while (ops != ':' && ops != '\0') ++ops;	417	while (ops != ':' && ops != '\0') ++ops;
430	} /* done parsing ops */	418	} /* done parsing ops */
…		…
464	{	452	{
465	w = h_scale * target_width / 100;	453	w = h_scale * target_width / 100;
466	h = v_scale * target_height / 100;	454	h = v_scale * target_height / 100;
467	}	455	}
468		456
469	if (h_align == rootAlign \|\| v_align == rootAlign)	457	if (!w) w = image_width;
		458	if (!h) h = image_height;
		459
		460	if (flags & rootAlign)
470	{	461	{
471	target->get_window_origin (x, y);	462	target->get_window_origin (x, y);
472	x = -x;	463	x = -x;
473	y = -y;	464	y = -y;
474	}	465	}
475		466	else
476	if (h_align != rootAlign)	467	{
477	x = make_align_position (h_align, target_width, w > 0 ? w : image_width);	468	x = make_align_position (h_align, target_width, w);
478
479	if (v_align != rootAlign)
480	y = make_align_position (v_align, target_height, h > 0 ? h : image_height);	469	y = make_align_position (v_align, target_height, h);
		470	}
481		471
482	flags &= ~sizeSensitive;	472	flags &= ~sizeSensitive;
483	if (h_scale != 0 \|\| v_scale != 0	473	if (h_scale != 0 \|\| v_scale != 0
484	\|\| h_align != 0 \|\| v_align != 0	474	\|\| h_align != 0 \|\| v_align != 0
485	\|\| image_width > target_width \|\| image_height > target_height)	475	\|\| w > target_width \|\| h > target_height)
486	flags \|= sizeSensitive;	476	flags \|= sizeSensitive;
487	}	477	}
488		478
489	# ifdef HAVE_AFTERIMAGE	479	# ifdef HAVE_AFTERIMAGE
490	bool	480	bool
…		…
503	background = pixmap2ximage (target->asv, pixmap, 0, 0, pmap_width, pmap_height, AllPlanes, 100);	493	background = pixmap2ximage (target->asv, pixmap, 0, 0, pmap_width, pmap_height, AllPlanes, 100);
504		494
505	if (!(background_flags & transpPmapTinted) && (flags & tintNeeded))	495	if (!(background_flags & transpPmapTinted) && (flags & tintNeeded))
506	{	496	{
507	ShadingInfo as_shade;	497	ShadingInfo as_shade;
508	as_shade.shading = (shade == 0) ? 100 : shade;	498	as_shade.shading = shade;
509		499
510	rgba c (rgba::MAX_CC,rgba::MAX_CC,rgba::MAX_CC);	500	rgba c (rgba::MAX_CC,rgba::MAX_CC,rgba::MAX_CC);
511	if (flags & tintSet)	501	if (flags & tintSet)
512	tint.get (c);	502	tint.get (c);
513	as_shade.tintColor.red = c.r;	503	as_shade.tintColor.red = c.r;
…		…
515	as_shade.tintColor.blue = c.b;	505	as_shade.tintColor.blue = c.b;
516		506
517	background_tint = shading2tint32 (&as_shade);	507	background_tint = shading2tint32 (&as_shade);
518	}	508	}
519		509
520	if (!(background_flags & transpPmapBlured) && (flags & blurNeeded) && background != NULL)	510	if (!(background_flags & transpPmapBlurred) && (flags & blurNeeded) && background != NULL)
521	{	511	{
522	ASImage *tmp = blur_asimage_gauss (target->asv, background, h_blurRadius, v_blurRadius, 0xFFFFFFFF,	512	ASImage *tmp = blur_asimage_gauss (target->asv, background, h_blurRadius, v_blurRadius, 0xFFFFFFFF,
523	(original_asim == NULL \|\| tint == TINT_LEAVE_SAME) ? ASA_XImage : ASA_ASImage,	513	(original_asim == NULL \|\| tint == TINT_LEAVE_SAME) ? ASA_XImage : ASA_ASImage,
524	100, ASIMAGE_QUALITY_DEFAULT);	514	100, ASIMAGE_QUALITY_DEFAULT);
525	if (tmp)	515	if (tmp)
…		…
546		536
547	if (original_asim)	537	if (original_asim)
548	get_image_geometry (original_asim->width, original_asim->height, w, h, x, y);	538	get_image_geometry (original_asim->width, original_asim->height, w, h, x, y);
549		539
550	if (!original_asim	540	if (!original_asim
		541	\|\| (!(flags & rootAlign)
551	\|\| x >= target_width	542	&& (x >= target_width
552	\|\| y >= target_height	543	\|\| y >= target_height
553	\|\| (w > 0 && x + w <= 0)	544	\|\| (x + w <= 0)
554	\|\| (h > 0 && y + h <= 0))	545	\|\| (y + h <= 0))))
555	{	546	{
556	if (background)	547	if (background)
557	{	548	{
558	new_pmap_width = background->width;	549	new_pmap_width = background->width;
559	new_pmap_height = background->height;	550	new_pmap_height = background->height;
…		…
573	}	564	}
574	else	565	else
575	{	566	{
576	result = original_asim;	567	result = original_asim;
577		568
578	if ((w > 0 && w != original_asim->width)	569	if ((w != original_asim->width)
579	\|\| (h > 0 && h != original_asim->height))	570	\|\| (h != original_asim->height))
580	{	571	{
581	result = scale_asimage (target->asv, original_asim,	572	result = scale_asimage (target->asv, original_asim,
582	w > 0 ? w : original_asim->width,	573	w, h,
583	h > 0 ? h : original_asim->height,
584	background ? ASA_ASImage : ASA_XImage,	574	background ? ASA_ASImage : ASA_XImage,
585	100, ASIMAGE_QUALITY_DEFAULT);	575	100, ASIMAGE_QUALITY_DEFAULT);
586	}	576	}
587		577
588	if (background == NULL)	578	if (background == NULL)
…		…
620	layers[0].clip_width = target_width;	610	layers[0].clip_width = target_width;
621	layers[0].clip_height = target_height;	611	layers[0].clip_height = target_height;
622	layers[0].tint = background_tint;	612	layers[0].tint = background_tint;
623	layers[1].im = result;	613	layers[1].im = result;
624		614
625	if (w <= 0)	615	if (h_scale == 0 \|\| v_scale == 0)
626	{	616	{
627	/* tile horizontally */	617	/* tile horizontally */
628	while (x > 0) x -= (int)result->width;	618	while (x > 0) x -= (int)result->width;
629	layers[1].dst_x = x;	619	layers[1].dst_x = x;
630	layers[1].clip_width = result->width+target_width;	620	layers[1].clip_width = result->width+target_width;
…		…
634	/* clip horizontally */	624	/* clip horizontally */
635	layers[1].dst_x = x;	625	layers[1].dst_x = x;
636	layers[1].clip_width = result->width;	626	layers[1].clip_width = result->width;
637	}	627	}
638		628
639	if (h <= 0)	629	if (h_scale == 0 \|\| v_scale == 0)
640	{	630	{
641	while (y > 0) y -= (int)result->height;	631	while (y > 0) y -= (int)result->height;
642	layers[1].dst_y = y;	632	layers[1].dst_y = y;
643	layers[1].clip_height = result->height + target_height;	633	layers[1].clip_height = result->height + target_height;
644	}	634	}
…		…
745	return false;	735	return false;
746		736
747	if (!pixbuf)	737	if (!pixbuf)
748	return false;	738	return false;
749		739
750	// TODO: add alpha blending	740	#if !XFT
751	if (background_flags)	741	if (background_flags)
752	return false;	742	return false;
		743	#endif
753		744
754	GdkPixbuf *result;	745	GdkPixbuf *result;
755		746
756	int image_width = gdk_pixbuf_get_width (pixbuf);	747	int image_width = gdk_pixbuf_get_width (pixbuf);
757	int image_height = gdk_pixbuf_get_height (pixbuf);	748	int image_height = gdk_pixbuf_get_height (pixbuf);
…		…
766	int w = 0;	757	int w = 0;
767	int h = 0;	758	int h = 0;
768		759
769	get_image_geometry (image_width, image_height, w, h, x, y);	760	get_image_geometry (image_width, image_height, w, h, x, y);
770		761
		762	if (!(flags & rootAlign)
771	if (x >= target_width	763	&& (x >= target_width
772	\|\| y >= target_height	764	\|\| y >= target_height
773	\|\| (w > 0 && x + w <= 0)	765	\|\| (x + w <= 0)
774	\|\| (h > 0 && y + h <= 0))	766	\|\| (y + h <= 0)))
775	return false;	767	return false;
776		768
777	result = pixbuf;	769	result = pixbuf;
778		770
779	if ((w > 0 && w != image_width)	771	if ((w != image_width)
780	\|\| (h > 0 && h != image_height))	772	\|\| (h != image_height))
781	{	773	{
782	result = gdk_pixbuf_scale_simple (pixbuf,	774	result = gdk_pixbuf_scale_simple (pixbuf,
783	w > 0 ? w : image_width,	775	w, h,
784	h > 0 ? h : image_height,
785	GDK_INTERP_BILINEAR);	776	GDK_INTERP_BILINEAR);
786	}	777	}
787		778
788	bool ret = false;	779	bool ret = false;
789		780
790	if (result)	781	if (result)
791	{	782	{
792	XGCValues gcv;	783	XGCValues gcv;
793	GC gc;	784	GC gc;
		785	Pixmap root_pmap;
794		786
795	image_width = gdk_pixbuf_get_width (result);	787	image_width = gdk_pixbuf_get_width (result);
796	image_height = gdk_pixbuf_get_height (result);	788	image_height = gdk_pixbuf_get_height (result);
797		789
		790	if (background_flags)
		791	{
		792	root_pmap = pixmap;
		793	pixmap = None;
		794	}
		795	else
		796	{
798	if (h_scale == 0 \|\| v_scale == 0)	797	if (h_scale == 0 \|\| v_scale == 0)
799	{	798	{
800	new_pmap_width = min (image_width, target_width);	799	new_pmap_width = min (image_width, target_width);
801	new_pmap_height = min (image_height, target_height);	800	new_pmap_height = min (image_height, target_height);
		801	}
802	}	802	}
803		803
804	if (pixmap)	804	if (pixmap)
805	{	805	{
806	if (pmap_width != new_pmap_width	806	if (pmap_width != new_pmap_width
…		…
862	dst_width, dst_height,	862	dst_width, dst_height,
863	XLIB_RGB_DITHER_NONE,	863	XLIB_RGB_DITHER_NONE,
864	0, 0);	864	0, 0);
865	}	865	}
866		866
		867	#if XFT
		868	if (background_flags)
		869	{
		870	Display *dpy = target->dpy;
		871	XRenderPictureAttributes pa;
		872
		873	XRenderPictFormat *src_format = XRenderFindVisualFormat (dpy, DefaultVisual (dpy, target->display->screen));
		874	Picture src = XRenderCreatePicture (dpy, root_pmap, src_format, 0, &pa);
		875
		876	XRenderPictFormat *dst_format = XRenderFindVisualFormat (dpy, target->visual);
		877	Picture dst = XRenderCreatePicture (dpy, pixmap, dst_format, 0, &pa);
		878
		879	pa.repeat = True;
		880	Pixmap mask_pmap = XCreatePixmap (dpy, target->vt, 1, 1, 8);
		881	XRenderPictFormat *mask_format = XRenderFindStandardFormat (dpy, PictStandardA8);
		882	Picture mask = XRenderCreatePicture (dpy, mask_pmap, mask_format, CPRepeat, &pa);
		883	XFreePixmap (dpy, mask_pmap);
		884
		885	if (src && dst && mask)
		886	{
		887	XRenderColor mask_c;
		888
		889	mask_c.alpha = 0x8000;
		890	mask_c.red = 0;
		891	mask_c.green = 0;
		892	mask_c.blue = 0;
		893	XRenderFillRectangle (dpy, PictOpSrc, mask, &mask_c, 0, 0, 1, 1);
		894	XRenderComposite (dpy, PictOpOver, src, mask, dst, 0, 0, 0, 0, 0, 0, target_width, target_height);
		895	}
		896
		897	XRenderFreePicture (dpy, src);
		898	XRenderFreePicture (dpy, dst);
		899	XRenderFreePicture (dpy, mask);
		900
		901	XFreePixmap (dpy, root_pmap);
		902	}
		903	#endif
		904
867	if (result != pixbuf)	905	if (result != pixbuf)
868	g_object_unref (result);	906	g_object_unref (result);
869		907
870	XFreeGC (target->dpy, gc);	908	XFreeGC (target->dpy, gc);
871		909
…		…
893	}	931	}
894		932
895	# ifdef HAVE_AFTERIMAGE	933	# ifdef HAVE_AFTERIMAGE
896	if (!target->asimman)	934	if (!target->asimman)
897	target->asimman = create_generic_imageman (target->rs[Rs_path]);	935	target->asimman = create_generic_imageman (target->rs[Rs_path]);
898	original_asim = get_asimage (target->asimman, file, 0xFFFFFFFF, 100);	936	ASImage *image = get_asimage (target->asimman, file, 0xFFFFFFFF, 100);
		937	if (image)
		938	{
899	if (original_asim)	939	if (original_asim)
		940	safe_asimage_destroy (original_asim);
		941	original_asim = image;
900	have_image = true;	942	have_image = true;
901	return have_image;	943	return true;
		944	}
902	# endif	945	# endif
903		946
904	# ifdef HAVE_PIXBUF	947	# ifdef HAVE_PIXBUF
905	pixbuf = gdk_pixbuf_new_from_file (file, NULL);	948	GdkPixbuf *image = gdk_pixbuf_new_from_file (file, NULL);
		949	if (image)
		950	{
906	if (pixbuf)	951	if (pixbuf)
		952	g_object_unref (pixbuf);
		953	pixbuf = image;
907	have_image = true;	954	have_image = true;
908	return have_image;	955	return true;
		956	}
909	# endif	957	# endif
910	}	958	}
911		959
912	return false;	960	return false;
913	}	961	}
…		…
938	if (!(geom_flags & WidthValue))	986	if (!(geom_flags & WidthValue))
939	hr = 1;	987	hr = 1;
940	if (!(geom_flags & HeightValue))	988	if (!(geom_flags & HeightValue))
941	vr = hr;	989	vr = hr;
942		990
		991	min_it (hr, 128);
		992	min_it (vr, 128);
		993
943	if (h_blurRadius != hr)	994	if (h_blurRadius != hr)
944	{	995	{
945	++changed;	996	++changed;
946	h_blurRadius = hr;	997	h_blurRadius = hr;
947	}	998	}
…		…
955	if (v_blurRadius == 0 && h_blurRadius == 0)	1006	if (v_blurRadius == 0 && h_blurRadius == 0)
956	flags &= ~blurNeeded;	1007	flags &= ~blurNeeded;
957	else	1008	else
958	flags \|= blurNeeded;	1009	flags \|= blurNeeded;
959		1010
		1011	#if XFT
		1012	XFilters *filters = XRenderQueryFilters (target->dpy, target->display->root);
		1013	if (filters)
		1014	{
		1015	for (int i = 0; i < filters->nfilter; i++)
		1016	if (!strcmp (filters->filter[i], FilterConvolution))
		1017	flags \|= bgPixmap_t::blurServerSide;
		1018
		1019	XFree (filters);
		1020	}
		1021	#endif
		1022
960	return (changed > 0);	1023	return (changed > 0);
961	}	1024	}
962		1025
963	static inline unsigned long	1026	static inline unsigned long
964	compute_tint_shade_flags (rxvt_color *tint, int shade)	1027	compute_tint_shade_flags (rxvt_color *tint, int shade)
965	{	1028	{
966	unsigned long flags = 0;	1029	unsigned long flags = 0;
967	rgba c (rgba::MAX_CC,rgba::MAX_CC,rgba::MAX_CC);	1030	rgba c (rgba::MAX_CC,rgba::MAX_CC,rgba::MAX_CC);
968	bool has_shade = (shade > 0 && shade < 100) \|\| (shade > 100 && shade < 200);	1031	bool has_shade = shade != 100;
969		1032
970	if (tint)	1033	if (tint)
971	{	1034	{
972	tint->get (c);	1035	tint->get (c);
973	# define IS_COMPONENT_WHOLESOME(cmp) ((cmp) <= 0x000700 \|\| (cmp) >= 0x00f700)	1036	# define IS_COMPONENT_WHOLESOME(cmp) ((cmp) <= 0x000700 \|\| (cmp) >= 0x00f700)
…		…
1005	}	1068	}
1006		1069
1007	bool	1070	bool
1008	bgPixmap_t::set_tint (rxvt_color &new_tint)	1071	bgPixmap_t::set_tint (rxvt_color &new_tint)
1009	{	1072	{
1010	if (tint != new_tint)	1073	if (!(flags & tintSet) \|\| tint != new_tint)
1011	{	1074	{
1012	unsigned long new_flags = compute_tint_shade_flags (&new_tint, shade);	1075	unsigned long new_flags = compute_tint_shade_flags (&new_tint, shade);
1013	tint = new_tint;	1076	tint = new_tint;
1014	flags = (flags & ~tintFlags) \| new_flags \| tintSet;	1077	flags = (flags & ~tintFlags) \| new_flags \| tintSet;
1015	return true;	1078	return true;
…		…
1033	}	1096	}
1034		1097
1035	bool	1098	bool
1036	bgPixmap_t::set_shade (const char *shade_str)	1099	bgPixmap_t::set_shade (const char *shade_str)
1037	{	1100	{
1038	int new_shade = (shade_str) ? atoi (shade_str) : 0;	1101	int new_shade = (shade_str) ? atoi (shade_str) : 100;
1039		1102
1040	if (new_shade < 0 && new_shade > -100)	1103	clamp_it (new_shade, -100, 200);
		1104	if (new_shade < 0)
1041	new_shade = 200 - (100 + new_shade);	1105	new_shade = 200 - (100 + new_shade);
1042	else if (new_shade == 100)
1043	new_shade = 0;
1044		1106
1045	if (new_shade != shade)	1107	if (new_shade != shade)
1046	{	1108	{
1047	unsigned long new_flags = compute_tint_shade_flags ((flags & tintSet) ? &tint : NULL, new_shade);	1109	unsigned long new_flags = compute_tint_shade_flags ((flags & tintSet) ? &tint : NULL, new_shade);
1048	shade = new_shade;	1110	shade = new_shade;
1049	flags = (flags & (~tintFlags \| tintSet)) \| new_flags;	1111	flags = (flags & (~tintFlags \| tintSet)) \| new_flags;
1050	return true;	1112	return true;
1051	}	1113	}
1052		1114
1053	return false;	1115	return false;
		1116	}
		1117
		1118	static void
		1119	get_gaussian_kernel (int radius, int width, double kernel, XFixed params)
		1120	{
		1121	double sigma = radius / 2.0;
		1122	double scale = sqrt (2.0 * M_PI) * sigma;
		1123	double sum = 0.0;
		1124
		1125	for (int i = 0; i < width; i++)
		1126	{
		1127	double x = i - width / 2;
		1128	kernel[i] = exp (-(x * x) / (2.0 * sigma * sigma)) / scale;
		1129	sum += kernel[i];
		1130	}
		1131
		1132	params[0] = XDoubleToFixed (width);
		1133	params[1] = XDoubleToFixed (1);
		1134
		1135	for (int i = 0; i < width; i++)
		1136	params[i+2] = XDoubleToFixed (kernel[i] / sum);
		1137	}
		1138
		1139	bool
		1140	bgPixmap_t::blur_pixmap (Pixmap pixmap, Visual *visual, int width, int height)
		1141	{
		1142	bool ret = false;
		1143	#if XFT
		1144	int size = max (h_blurRadius, v_blurRadius) * 2 + 1;
		1145	double kernel = (double )malloc (size * sizeof (double));
		1146	XFixed params = (XFixed )malloc ((size + 2) * sizeof (XFixed));
		1147
		1148	Display *dpy = target->dpy;
		1149	XRenderPictureAttributes pa;
		1150	XRenderPictFormat *format = XRenderFindVisualFormat (dpy, target->visual);
		1151
		1152	Picture src = XRenderCreatePicture (dpy, pixmap, format, 0, &pa);
		1153	Picture dst = XRenderCreatePicture (dpy, pixmap, format, 0, &pa);
		1154
		1155	if (kernel && params && src && dst)
		1156	{
		1157	if (h_blurRadius)
		1158	{
		1159	size = h_blurRadius * 2 + 1;
		1160	get_gaussian_kernel (h_blurRadius, size, kernel, params);
		1161
		1162	XRenderSetPictureFilter (dpy, src, FilterConvolution, params, size+2);
		1163	XRenderComposite (dpy,
		1164	PictOpSrc,
		1165	src,
		1166	None,
		1167	dst,
		1168	0, 0,
		1169	0, 0,
		1170	0, 0,
		1171	width, height);
		1172	}
		1173
		1174	if (v_blurRadius)
		1175	{
		1176	size = v_blurRadius * 2 + 1;
		1177	get_gaussian_kernel (v_blurRadius, size, kernel, params);
		1178	swap (params[0], params[1]);
		1179
		1180	XRenderSetPictureFilter (dpy, src, FilterConvolution, params, size+2);
		1181	XRenderComposite (dpy,
		1182	PictOpSrc,
		1183	src,
		1184	None,
		1185	dst,
		1186	0, 0,
		1187	0, 0,
		1188	0, 0,
		1189	width, height);
		1190	}
		1191
		1192	ret = true;
		1193	}
		1194
		1195	free (kernel);
		1196	free (params);
		1197	XRenderFreePicture (dpy, src);
		1198	XRenderFreePicture (dpy, dst);
		1199	#endif
		1200	return ret;
		1201	}
		1202
		1203	bool
		1204	bgPixmap_t::tint_pixmap (Pixmap pixmap, Visual *visual, int width, int height)
		1205	{
		1206	Display *dpy = target->dpy;
		1207	bool ret = false;
		1208
		1209	if (flags & tintWholesome)
		1210	{
		1211	XGCValues gcv;
		1212	GC gc;
		1213
		1214	/* In this case we can tint image server-side getting significant
		1215	* performance improvements, as we eliminate XImage transfer
		1216	*/
		1217	gcv.foreground = Pixel (tint);
		1218	gcv.function = GXand;
		1219	gcv.fill_style = FillSolid;
		1220	gc = XCreateGC (dpy, pixmap, GCFillStyle \| GCForeground \| GCFunction, &gcv);
		1221	if (gc)
		1222	{
		1223	XFillRectangle (dpy, pixmap, gc, 0, 0, width, height);
		1224	ret = true;
		1225	XFreeGC (dpy, gc);
		1226	}
		1227	}
		1228	else
		1229	{
		1230	# if XFT
		1231	rgba c (rgba::MAX_CC,rgba::MAX_CC,rgba::MAX_CC);
		1232
		1233	if (flags & tintSet)
		1234	tint.get (c);
		1235
		1236	if (shade <= 100)
		1237	{
		1238	c.r = (c.r * shade) / 100;
		1239	c.g = (c.g * shade) / 100;
		1240	c.b = (c.b * shade) / 100;
		1241	}
		1242	else
		1243	{
		1244	c.r = ((0xffff - c.r) * (200 - shade)) / 100;
		1245	c.g = ((0xffff - c.g) * (200 - shade)) / 100;
		1246	c.b = ((0xffff - c.b) * (200 - shade)) / 100;
		1247	}
		1248
		1249	XRenderPictFormat *solid_format = XRenderFindStandardFormat (dpy, PictStandardARGB32);
		1250	XRenderPictFormat *format = XRenderFindVisualFormat (dpy, visual);
		1251	XRenderPictureAttributes pa;
		1252
		1253	Picture back_pic = XRenderCreatePicture (dpy, pixmap, format, 0, &pa);
		1254
		1255	pa.repeat = True;
		1256
		1257	Pixmap overlay_pmap = XCreatePixmap (dpy, pixmap, 1, 1, 32);
		1258	Picture overlay_pic = XRenderCreatePicture (dpy, overlay_pmap, solid_format, CPRepeat, &pa);
		1259	XFreePixmap (dpy, overlay_pmap);
		1260
		1261	pa.component_alpha = True;
		1262	Pixmap mask_pmap = XCreatePixmap (dpy, pixmap, 1, 1, 32);
		1263	Picture mask_pic = XRenderCreatePicture (dpy, mask_pmap, solid_format, CPRepeat\|CPComponentAlpha, &pa);
		1264	XFreePixmap (dpy, mask_pmap);
		1265
		1266	if (mask_pic && overlay_pic && back_pic)
		1267	{
		1268	XRenderColor mask_c;
		1269
		1270	memset (&mask_c, (shade > 100) ? 0xFF : 0x0, sizeof (mask_c));
		1271	mask_c.alpha = 0xffff;
		1272	XRenderFillRectangle (dpy, PictOpSrc, overlay_pic, &mask_c, 0, 0, 1, 1);
		1273
		1274	mask_c.alpha = 0;
		1275	mask_c.red = 0xffff - c.r;
		1276	mask_c.green = 0xffff - c.g;
		1277	mask_c.blue = 0xffff - c.b;
		1278	XRenderFillRectangle (dpy, PictOpSrc, mask_pic, &mask_c, 0, 0, 1, 1);
		1279	XRenderComposite (dpy, PictOpOver, overlay_pic, mask_pic, back_pic, 0, 0, 0, 0, 0, 0, width, height);
		1280	ret = true;
		1281	}
		1282
		1283	XRenderFreePicture (dpy, mask_pic);
		1284	XRenderFreePicture (dpy, overlay_pic);
		1285	XRenderFreePicture (dpy, back_pic);
		1286	# if DO_TIMING_TEST
		1287	XSync (dpy, False);
		1288	# endif
		1289	# endif
		1290	}
		1291
		1292	return ret;
1054	}	1293	}
1055		1294
1056	/* make_transparency_pixmap()	1295	/* make_transparency_pixmap()
1057	* Builds a pixmap sized the same as terminal window, with depth same as the root window	1296	* Builds a pixmap sized the same as terminal window, with depth same as the root window
1058	* that pixmap contains tiled portion of the root pixmap that is supposed to be covered by	1297	* that pixmap contains tiled portion of the root pixmap that is supposed to be covered by
…		…
1077	unsigned int root_pmap_width, root_pmap_height;	1316	unsigned int root_pmap_width, root_pmap_height;
1078	int window_width = target->szHint.width;	1317	int window_width = target->szHint.width;
1079	int window_height = target->szHint.height;	1318	int window_height = target->szHint.height;
1080	int sx, sy;	1319	int sx, sy;
1081	XGCValues gcv;	1320	XGCValues gcv;
		1321	GC gc;
1082		1322
1083	TIMING_TEST_START (tp);	1323	TIMING_TEST_START (tp);
1084	target->get_window_origin (sx, sy);	1324	target->get_window_origin (sx, sy);
1085		1325
1086	/* check if we are outside of the visible part of the virtual screen : */	1326	/* check if we are outside of the visible part of the virtual screen : */
…		…
1088	\|\| sx >= root_width \|\| sy >= root_height)	1328	\|\| sx >= root_width \|\| sy >= root_height)
1089	return 0;	1329	return 0;
1090		1330
1091	if (root_pixmap != None)	1331	if (root_pixmap != None)
1092	{	1332	{
1093	/* we want to validate the pixmap and get it's size at the same time : */	1333	/* we want to validate the pixmap and get its size at the same time : */
1094	int junk;	1334	int junk;
1095	unsigned int ujunk;	1335	unsigned int ujunk;
1096	/* root pixmap may be bad - allow a error */	1336	/* root pixmap may be bad - allow a error */
1097	target->allowedxerror = -1;	1337	target->allowedxerror = -1;
1098		1338
…		…
1100	root_pixmap = None;	1340	root_pixmap = None;
1101		1341
1102	target->allowedxerror = 0;	1342	target->allowedxerror = 0;
1103	}	1343	}
1104		1344
		1345	if (root_pixmap == None)
		1346	return 0;
		1347
1105	Pixmap tiled_root_pmap = XCreatePixmap (dpy, root, window_width, window_height, root_depth);	1348	Pixmap tiled_root_pmap = XCreatePixmap (dpy, root, window_width, window_height, root_depth);
1106	GC gc = NULL;
1107		1349
1108	if (tiled_root_pmap == None) /* something really bad happened - abort */	1350	if (tiled_root_pmap == None) /* something really bad happened - abort */
1109	return 0;	1351	return 0;
1110		1352
1111	if (root_pixmap == None)
1112	{
1113	/* use tricks to obtain the root background image :*/
1114	/* we want to create Overrideredirect window overlapping out window
1115	with background type of Parent Relative and then grab it */
1116	XSetWindowAttributes attr;
1117	Window src;
1118	bool success = false;
1119
1120	attr.background_pixmap = ParentRelative;
1121	attr.backing_store = Always;
1122	attr.event_mask = ExposureMask;
1123	attr.override_redirect = True;
1124	src = XCreateWindow (dpy, root, sx, sy, window_width, window_height, 0,
1125	CopyFromParent, CopyFromParent, CopyFromParent,
1126	CWBackPixmap\|CWBackingStore\|CWOverrideRedirect\|CWEventMask,
1127	&attr);
1128
1129	if (src != None)
1130	{
1131	XEvent event;
1132	int ev_count = 0;
1133	XGrabServer (dpy);
1134	XMapRaised (dpy, src);
1135	XSync (dpy, False);
1136
1137	/* XSync should get window where it's properly exposed,
1138	* but to be on the safe side - let's check for the actual event to arrive : */
1139	while (XCheckWindowEvent (dpy, src, ExposureMask, &event))
1140	++ev_count;
1141
1142	if (ev_count > 0);
1143	{
1144	/* hooray! - we can grab the image! */
1145	gc = XCreateGC (dpy, root, 0, NULL);
1146	if (gc)
1147	{
1148	XCopyArea (dpy, src, tiled_root_pmap, gc, 0, 0, window_width, window_height, 0, 0);
1149	success = true;
1150	}
1151	}
1152
1153	XDestroyWindow (dpy, src);
1154	XUngrabServer (dpy);
1155	//fprintf (stderr, "%s:%d: ev_count = %d\n", __FUNCTION__, __LINE__, ev_count);
1156	}
1157
1158	if (!success)
1159	{
1160	XFreePixmap (dpy, tiled_root_pmap);
1161	tiled_root_pmap = None;
1162	}
1163	else
1164	result \|= transpPmapTiled;
1165	}
1166	else
1167	{
1168	/* straightforward pixmap copy */	1353	/* straightforward pixmap copy */
1169	gcv.tile = root_pixmap;	1354	gcv.tile = root_pixmap;
1170	gcv.fill_style = FillTiled;	1355	gcv.fill_style = FillTiled;
1171		1356
1172	while (sx < 0) sx += (int)root_width;	1357	while (sx < 0) sx += (int)root_width;
1173	while (sy < 0) sy += (int)root_height;	1358	while (sy < 0) sy += (int)root_height;
1174		1359
1175	gcv.ts_x_origin = -sx;	1360	gcv.ts_x_origin = -sx;
1176	gcv.ts_y_origin = -sy;	1361	gcv.ts_y_origin = -sy;
1177	gc = XCreateGC (dpy, root, GCFillStyle \| GCTile \| GCTileStipXOrigin \| GCTileStipYOrigin, &gcv);	1362	gc = XCreateGC (dpy, root, GCFillStyle \| GCTile \| GCTileStipXOrigin \| GCTileStipYOrigin, &gcv);
1178		1363
1179	if (gc)	1364	if (gc)
1180	{	1365	{
1181	XFillRectangle (dpy, tiled_root_pmap, gc, 0, 0, window_width, window_height);	1366	XFillRectangle (dpy, tiled_root_pmap, gc, 0, 0, window_width, window_height);
1182	result \|= transpPmapTiled;	1367	result \|= transpPmapTiled;
1183	}	1368	XFreeGC (dpy, gc);
1184	}	1369	}
1185	TIMING_TEST_PRINT_RESULT (tp);	1370	TIMING_TEST_PRINT_RESULT (tp);
1186		1371
1187	if (tiled_root_pmap != None)	1372	if (tiled_root_pmap != None)
1188	{	1373	{
1189	if (!need_client_side_rendering ())	1374	if (!need_client_side_rendering ())
1190	{	1375	{
1191	if ((flags & tintNeeded))	1376	if (flags & (blurNeeded \| blurServerSide))
		1377	{
		1378	if (blur_pixmap (tiled_root_pmap, DefaultVisual (dpy, target->display->screen), window_width, window_height))
		1379	result \|= transpPmapBlurred;
1192	{	1380	}
1193	if (flags & tintWholesome)	1381	if (flags & (tintNeeded \| tintServerSide))
1194	{	1382	{
1195	/* In this case we can tint image server-side getting significant	1383	if (tint_pixmap (tiled_root_pmap, DefaultVisual (dpy, target->display->screen), window_width, window_height))
1196	* performance improvements, as we eliminate XImage transfer
1197	*/
1198	gcv.foreground = Pixel (tint);
1199	gcv.function = GXand;
1200	gcv.fill_style = FillSolid;
1201	if (gc)
1202	XChangeGC (dpy, gc, GCFillStyle \| GCForeground \| GCFunction, &gcv);
1203	else
1204	gc = XCreateGC (dpy, root, GCFillStyle \| GCForeground \| GCFunction, &gcv);
1205	if (gc)
1206	{
1207	XFillRectangle (dpy, tiled_root_pmap, gc, 0, 0, window_width, window_height);
1208	result \|= transpPmapTinted;	1384	result \|= transpPmapTinted;
1209	}
1210	}
1211	else
1212	{
1213	# if XFT
1214	Picture back_pic = 0;
1215	rgba c (rgba::MAX_CC,rgba::MAX_CC,rgba::MAX_CC);
1216
1217	if (flags & tintSet)
1218	tint.get (c);
1219
1220	if (shade > 0 && shade < 100)
1221	{
1222	c.r = (c.r * shade) / 100;
1223	c.g = (c.g * shade) / 100;
1224	c.b = (c.b * shade) / 100;
1225	}
1226	else if (shade > 100 && shade < 200)
1227	{
1228	c.r = (c.r * (200 - shade)) / 100;
1229	c.g = (c.g * (200 - shade)) / 100;
1230	c.b = (c.b * (200 - shade)) / 100;
1231	}
1232
1233	XRenderPictFormat pf;
1234	pf.type = PictTypeDirect;
1235	pf.depth = 32;
1236	pf.direct.redMask = 0xff;
1237	pf.direct.greenMask = 0xff;
1238	pf.direct.blueMask = 0xff;
1239	pf.direct.alphaMask = 0xff;
1240
1241	XRenderPictFormat *solid_format = XRenderFindFormat (dpy,
1242	(PictFormatType\|
1243	PictFormatDepth\|
1244	PictFormatRedMask\|
1245	PictFormatGreenMask\|
1246	PictFormatBlueMask\|
1247	PictFormatAlphaMask),
1248	&pf,
1249	0);
1250	XRenderPictFormat *root_format = XRenderFindVisualFormat (dpy, DefaultVisualOfScreen (ScreenOfDisplay (dpy, target->display->screen)));
1251	XRenderPictureAttributes pa ;
1252
1253	back_pic = XRenderCreatePicture (dpy, tiled_root_pmap, root_format, 0, &pa);
1254
1255	pa.repeat = True;
1256
1257	Pixmap overlay_pmap = XCreatePixmap (dpy, root, 1, 1, 32);
1258	Picture overlay_pic = XRenderCreatePicture (dpy, overlay_pmap, solid_format, CPRepeat, &pa);
1259	XFreePixmap (dpy, overlay_pmap);
1260
1261	pa.component_alpha = True;
1262	Pixmap mask_pmap = XCreatePixmap (dpy, root, 1, 1, 32);
1263	Picture mask_pic = XRenderCreatePicture (dpy, mask_pmap, solid_format, CPRepeat\|CPComponentAlpha, &pa);
1264	XFreePixmap (dpy, mask_pmap);
1265
1266	if (mask_pic && overlay_pic && back_pic)
1267	{
1268	XRenderColor mask_c;
1269
1270	memset (&mask_c, (shade > 100) ? 0xFF : 0x0, sizeof (mask_c));
1271	mask_c.alpha = 0xffff;
1272	XRenderFillRectangle (dpy, PictOpSrc, overlay_pic, &mask_c, 0, 0, 1, 1);
1273
1274	mask_c.alpha = 0;
1275	mask_c.red = 0xffff - c.r;
1276	mask_c.green = 0xffff - c.g;
1277	mask_c.blue = 0xffff - c.b;
1278	XRenderFillRectangle (dpy, PictOpSrc, mask_pic, &mask_c, 0, 0, 1, 1);
1279	XRenderComposite (dpy, PictOpOver, overlay_pic, mask_pic, back_pic, 0, 0, 0, 0, 0, 0, window_width, window_height);
1280	result \|= transpPmapTinted;
1281	}
1282
1283	XRenderFreePicture (dpy, mask_pic);
1284	XRenderFreePicture (dpy, overlay_pic);
1285	XRenderFreePicture (dpy, back_pic);
1286	# if DO_TIMING_TEST
1287	XSync (dpy, False);
1288	# endif
1289	# endif
1290	}
1291	}	1385	}
1292	} /* server side rendering completed */	1386	} /* server side rendering completed */
1293		1387
1294	if (pixmap)	1388	if (pixmap)
1295	XFreePixmap (dpy, pixmap);	1389	XFreePixmap (dpy, pixmap);
…		…
1297	pixmap = tiled_root_pmap;	1391	pixmap = tiled_root_pmap;
1298	pmap_width = window_width;	1392	pmap_width = window_width;
1299	pmap_height = window_height;	1393	pmap_height = window_height;
1300	pmap_depth = root_depth;	1394	pmap_depth = root_depth;
1301	}	1395	}
1302
1303	if (gc)
1304	XFreeGC (dpy, gc);
1305		1396
1306	TIMING_TEST_PRINT_RESULT (tp);	1397	TIMING_TEST_PRINT_RESULT (tp);
1307		1398
1308	return result;	1399	return result;
1309	}	1400	}
…		…
1535	int i;	1626	int i;
1536		1627
1537	Visual *visual = term->visual;	1628	Visual *visual = term->visual;
1538		1629
1539	if (visual->c_class != TrueColor \|\| srcImage->format != ZPixmap) return ;	1630	if (visual->c_class != TrueColor \|\| srcImage->format != ZPixmap) return ;
1540
1541	if (shade == 0)
1542	shade = 100;
1543		1631
1544	/* for convenience */	1632	/* for convenience */
1545	mask_r = visual->red_mask;	1633	mask_r = visual->red_mask;
1546	mask_g = visual->green_mask;	1634	mask_g = visual->green_mask;
1547	mask_b = visual->blue_mask;	1635	mask_b = visual->blue_mask;
…		…
1603	default:	1691	default:
1604	return; /* we do not support this color depth */	1692	return; /* we do not support this color depth */
1605	}	1693	}
1606		1694
1607	/* prepare limits for color transformation (each channel is handled separately) */	1695	/* prepare limits for color transformation (each channel is handled separately) */
1608	if (shade < 0) {	1696	if (shade > 100) {
1609	shade = -shade;	1697	shade = 200 - shade;
1610	if (shade < 0) shade = 0;
1611	if (shade > 100) shade = 100;
1612		1698
1613	lower_lim_r = 65535-rm;	1699	lower_lim_r = 65535-rm;
1614	lower_lim_g = 65535-gm;	1700	lower_lim_g = 65535-gm;
1615	lower_lim_b = 65535-bm;	1701	lower_lim_b = 65535-bm;
1616		1702
…		…
1618	lower_lim_g = 65535-(unsigned int)(((RUINT32T)lower_lim_g)*((RUINT32T)shade)/100);	1704	lower_lim_g = 65535-(unsigned int)(((RUINT32T)lower_lim_g)*((RUINT32T)shade)/100);
1619	lower_lim_b = 65535-(unsigned int)(((RUINT32T)lower_lim_b)*((RUINT32T)shade)/100);	1705	lower_lim_b = 65535-(unsigned int)(((RUINT32T)lower_lim_b)*((RUINT32T)shade)/100);
1620		1706
1621	upper_lim_r = upper_lim_g = upper_lim_b = 65535;	1707	upper_lim_r = upper_lim_g = upper_lim_b = 65535;
1622	} else {	1708	} else {
1623	if (shade < 0) shade = 0;
1624	if (shade > 100) shade = 100;
1625		1709
1626	lower_lim_r = lower_lim_g = lower_lim_b = 0;	1710	lower_lim_r = lower_lim_g = lower_lim_b = 0;
1627		1711
1628	upper_lim_r = (unsigned int)((((RUINT32T)rm)*((RUINT32T)shade))/100);	1712	upper_lim_r = (unsigned int)((((RUINT32T)rm)*((RUINT32T)shade))/100);
1629	upper_lim_g = (unsigned int)((((RUINT32T)gm)*((RUINT32T)shade))/100);	1713	upper_lim_g = (unsigned int)((((RUINT32T)gm)*((RUINT32T)shade))/100);

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Comparing rxvt-unicode/src/background.C (file contents): Revision 1.62 by sf-exg, Sun Oct 3 21:44:13 2010 UTC vs. Revision 1.83 by sf-exg, Thu Oct 14 17:39:42 2010 UTC

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Comparing rxvt-unicode/src/background.C (file contents):
Revision 1.62 by sf-exg, Sun Oct 3 21:44:13 2010 UTC vs.
Revision 1.83 by sf-exg, Thu Oct 14 17:39:42 2010 UTC