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

Comparing rxvt-unicode/src/background.C (file contents):
Revision 1.191 by sf-exg, Fri Dec 30 11:22:48 2011 UTC vs.
Revision 1.212 by sf-exg, Sun May 13 15:50:18 2012 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 <schmorp@schmorp.de>	6	* Copyright (c) 2005-2008 Marc Lehmann <schmorp@schmorp.de>
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	* Copyright (c) 2010-2012 Emanuele Giaquinta <e.giaquinta@glauco.it>
9	*	9	*
10	* 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
11	* 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
12	* the Free Software Foundation; either version 2 of the License, or	12	* the Free Software Foundation; either version 2 of the License, or
13	* (at your option) any later version.	13	* (at your option) any later version.
…		…
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>
31	#endif	31	#endif
32		32
33	#ifndef FilterConvolution	33	#ifndef FilterConvolution
34	#define FilterConvolution "convolution"	34	#define FilterConvolution "convolution"
		35	#endif
		36
		37	#ifndef RepeatPad
		38	#define RepeatPad True
35	#endif	39	#endif
36		40
37	#ifdef HAVE_BG_PIXMAP	41	#ifdef HAVE_BG_PIXMAP
38	# if XRENDER	42	# if XRENDER
39	static Picture	43	static Picture
…		…
54	# endif	58	# endif
55		59
56	void	60	void
57	rxvt_term::bg_destroy ()	61	rxvt_term::bg_destroy ()
58	{	62	{
59	#ifdef HAVE_AFTERIMAGE
60	if (original_asim)
61	safe_asimage_destroy (original_asim);
62	if (asv)
63	destroy_asvisual (asv, 0);
64	if (asimman)
65	destroy_image_manager (asimman, 0);
66	#endif
67
68	#ifdef HAVE_PIXBUF	63	#ifdef HAVE_PIXBUF
69	if (pixbuf)	64	if (pixbuf)
70	g_object_unref (pixbuf);	65	g_object_unref (pixbuf);
71	#endif	66	#endif
72		67
…		…
125		120
126	return false;	121	return false;
127	}	122	}
128		123
129	# ifdef BG_IMAGE_FROM_FILE	124	# ifdef BG_IMAGE_FROM_FILE
130	static inline bool
131	check_set_scale_value (int geom_flags, int flag, unsigned int &scale, unsigned int new_value)
132	{
133	if (geom_flags & flag)
134	{
135	if (new_value > 1000)
136	new_value = 1000;
137	if (new_value != scale)
138	{
139	scale = new_value;
140	return true;
141	}
142	}
143	return false;
144	}
145
146	static inline bool
147	check_set_align_value (int geom_flags, int flag, int &align, int new_value)
148	{
149	if (geom_flags & flag)
150	{
151	if (new_value < -100)
152	new_value = -100;
153	else if (new_value > 200)
154	new_value = 200;
155	if (new_value != align)
156	{
157	align = new_value;
158	return true;
159	}
160	}
161	return false;
162	}
163
164	static inline int	125	static inline int
165	make_align_position (int align, int window_size, int image_size)	126	make_align_position (int align, int window_size, int image_size)
166	{	127	{
167	int diff = window_size - image_size;
168	int smaller = min (image_size, window_size);
169
170	if (align >= 0 && align <= 100)	128	if (align >= 0 && align <= 100)
171	return diff * align / 100;	129	return lerp (0, window_size - image_size, align);
172	else if (align > 100 && align <= 200)	130	else if (align > 100)
173	return (align - 100) * smaller / 100 + window_size - smaller;	131	return lerp (window_size - image_size, window_size, align - 100);
174	else if (align >= -100 && align < 0)	132	else
175	return (align + 100) * smaller / 100 - image_size;	133	return lerp (-image_size, 0, align + 100);
176	return 0;
177	}	134	}
178		135
179	static inline int	136	static inline int
180	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)
181	{	138	{
…		…
187	src_pos = -pos;	144	src_pos = -pos;
188	dst_pos = 0;	145	dst_pos = 0;
189	dst_size += pos;	146	dst_size += pos;
190	}	147	}
191		148
192	if (dst_pos + dst_size > target_size)
193	dst_size = target_size - dst_pos;	149	min_it (dst_size, target_size - dst_pos);
194	return src_pos;	150	return src_pos;
195	}	151	}
196		152
197	bool	153	bool
198	rxvt_term::bg_set_geometry (const char *geom, bool update)	154	rxvt_term::bg_set_geometry (const char *geom, bool update)
199	{	155	{
200	bool changed = false;	156	bool changed = false;
201	int geom_flags = 0;	157	int geom_flags = 0;
202	int x = 0, y = 0;	158	int x = h_align;
		159	int y = v_align;
203	unsigned int w = 0, h = 0;	160	unsigned int w = h_scale;
		161	unsigned int h = v_scale;
204	unsigned long new_flags = 0;	162	unsigned long new_flags = 0;
205		163
206	if (geom == NULL)	164	if (geom == NULL)
207	return false;	165	return false;
208		166
…		…
317	w = h = defaultScale;	275	w = h = defaultScale;
318	else if (!(geom_flags & HeightValue))	276	else if (!(geom_flags & HeightValue))
319	h = w;	277	h = w;
320	else if (!(geom_flags & WidthValue))	278	else if (!(geom_flags & WidthValue))
321	w = h;	279	w = h;
322
323	geom_flags \|= WidthValue\|HeightValue\|XValue\|YValue;
324	}	280	}
325		281
326	if (check_set_scale_value (geom_flags, WidthValue, h_scale, w)) changed = true;	282	min_it (w, 1000);
327	if (check_set_scale_value (geom_flags, HeightValue, v_scale, h)) changed = true;	283	min_it (h, 1000);
328	if (check_set_align_value (geom_flags, XValue, h_align, x)) changed = true;	284	clamp_it (x, -100, 200);
329	if (check_set_align_value (geom_flags, YValue, v_align, y)) changed = true;	285	clamp_it (y, -100, 200);
330		286
331	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)
332	{	292	{
333	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;
334	changed = true;	298	changed = true;
335	}	299	}
336		300
337	return changed;	301	return changed;
338	}	302	}
…		…
366	{	330	{
367	x = make_align_position (h_align, target_width, w);	331	x = make_align_position (h_align, target_width, w);
368	y = make_align_position (v_align, target_height, h);	332	y = make_align_position (v_align, target_height, h);
369	}	333	}
370		334
371	bg_flags &= ~BG_IS_SIZE_SENSITIVE;
372	if (!(bg_flags & BG_TILE)	335	if (!(bg_flags & BG_TILE)
373	\|\| h_scale \|\| v_scale	336	\|\| h_scale \|\| v_scale
374	\|\| (!(bg_flags & BG_ROOT_ALIGN) && (h_align \|\| v_align))	337	\|\| (!(bg_flags & BG_ROOT_ALIGN) && (h_align \|\| v_align))
375	\|\| w > target_width \|\| h > target_height)	338	\|\| image_width > target_width \|\| image_height > target_height)
376	bg_flags \|= BG_IS_SIZE_SENSITIVE;	339	bg_flags \|= BG_IS_SIZE_SENSITIVE;
377	}
378
379	# ifdef HAVE_AFTERIMAGE
380	bool
381	rxvt_term::render_image (unsigned long tr_flags)
382	{
383	init_asv ();
384
385	ASImage *background = NULL;
386	ARGB32 background_tint = TINT_LEAVE_SAME;
387
388	# ifdef ENABLE_TRANSPARENCY
389	if (tr_flags)
390	background = pixmap2ximage (asv, bg_pixmap, 0, 0, bg_pmap_width, bg_pmap_height, AllPlanes, 100);
391
392	if (tr_flags & BG_NEEDS_TINT)
393	{
394	ShadingInfo as_shade;
395	as_shade.shading = shade;
396
397	rgba c;
398	tint.get (c);
399	as_shade.tintColor.red = c.r;
400	as_shade.tintColor.green = c.g;
401	as_shade.tintColor.blue = c.b;
402
403	background_tint = shading2tint32 (&as_shade);
404	}
405
406	if ((tr_flags & BG_NEEDS_BLUR) && background != NULL)
407	{
408	ASImage *tmp = blur_asimage_gauss (asv, background, h_blurRadius, v_blurRadius, 0xFFFFFFFF,
409	ASA_XImage,
410	100, ASIMAGE_QUALITY_DEFAULT);
411	if (tmp)
412	{
413	destroy_asimage (&background);
414	background = tmp;
415	}
416	}
417	# endif
418
419	ASImage *result = 0;
420
421	int target_width = szHint.width;
422	int target_height = szHint.height;
423	int new_pmap_width = target_width;
424	int new_pmap_height = target_height;
425
426	int x = 0;
427	int y = 0;
428	int w = 0;
429	int h = 0;
430
431	if (original_asim)
432	get_image_geometry (original_asim->width, original_asim->height, w, h, x, y);
433
434	if (!original_asim
435	\|\| (!(bg_flags & BG_ROOT_ALIGN)
436	&& (x >= target_width
437	\|\| y >= target_height
438	\|\| x + w <= 0
439	\|\| y + h <= 0)))
440	{
441	if (background)
442	{
443	new_pmap_width = background->width;
444	new_pmap_height = background->height;
445	result = background;
446
447	if (background_tint != TINT_LEAVE_SAME)
448	{
449	ASImage *tmp = tile_asimage (asv, background, 0, 0,
450	target_width, target_height, background_tint,
451	ASA_XImage, 100, ASIMAGE_QUALITY_DEFAULT);
452	if (tmp)
453	result = tmp;
454	}
455	}
456	else
457	new_pmap_width = new_pmap_height = 0;
458	}
459	else	340	else
460	{	341	bg_flags &= ~BG_IS_SIZE_SENSITIVE;
461	result = original_asim;
462
463	if (w != original_asim->width
464	\|\| h != original_asim->height)
465	{
466	result = scale_asimage (asv, original_asim,
467	w, h,
468	ASA_XImage,
469	100, ASIMAGE_QUALITY_DEFAULT);
470	}
471
472	if (background == NULL)
473	{
474	if (bg_flags & BG_TILE)
475	{
476	/* if tiling - pixmap has to be sized exactly as the image,
477	but there is no need to make it bigger than the window! */
478	new_pmap_width = min (result->width, target_width);
479	new_pmap_height = min (result->height, target_height);
480
481	/* we also need to tile our image in both directions */
482	ASImage *tmp = tile_asimage (asv, result,
483	(int)result->width - x,
484	(int)result->height - y,
485	new_pmap_width,
486	new_pmap_height,
487	TINT_LEAVE_SAME, ASA_XImage,
488	100, ASIMAGE_QUALITY_DEFAULT);
489	if (tmp)
490	{
491	if (result != original_asim)
492	destroy_asimage (&result);
493
494	result = tmp;
495	}
496	}
497	}
498	else
499	{
500	/* if blending background and image - pixmap has to be sized same as target window */
501	ASImageLayer *layers = create_image_layers (2);
502
503	layers[0].im = background;
504	layers[0].clip_width = target_width;
505	layers[0].clip_height = target_height;
506	layers[0].tint = background_tint;
507	layers[1].im = result;
508
509	if (bg_flags & BG_TILE)
510	{
511	/* tile horizontally */
512	while (x > 0) x -= (int)result->width;
513	layers[1].dst_x = x;
514	layers[1].clip_width = result->width+target_width;
515	}
516	else
517	{
518	/* clip horizontally */
519	layers[1].dst_x = x;
520	layers[1].clip_width = result->width;
521	}
522
523	if (bg_flags & BG_TILE)
524	{
525	while (y > 0) y -= (int)result->height;
526	layers[1].dst_y = y;
527	layers[1].clip_height = result->height + target_height;
528	}
529	else
530	{
531	layers[1].dst_y = y;
532	layers[1].clip_height = result->height;
533	}
534
535	if (rs[Rs_blendtype])
536	{
537	layers[1].merge_scanlines = blend_scanlines_name2func (rs[Rs_blendtype]);
538	if (layers[1].merge_scanlines == NULL)
539	layers[1].merge_scanlines = alphablend_scanlines;
540	}
541
542	ASImage *tmp = merge_layers (asv, layers, 2, target_width, target_height,
543	ASA_XImage, 0, ASIMAGE_QUALITY_DEFAULT);
544
545	if (tmp)
546	{
547	if (result != original_asim)
548	destroy_asimage (&result);
549
550	result = tmp;
551	}
552
553	free (layers);
554	}
555	}
556
557	bool ret = false;
558
559	if (result)
560	{
561	XGCValues gcv;
562	GC gc;
563
564	/* create Pixmap */
565	if (bg_pixmap == None
566	\|\| bg_pmap_width != new_pmap_width
567	\|\| bg_pmap_height != new_pmap_height)
568	{
569	if (bg_pixmap)
570	XFreePixmap (dpy, bg_pixmap);
571	bg_pixmap = XCreatePixmap (dpy, vt, new_pmap_width, new_pmap_height, depth);
572	bg_pmap_width = new_pmap_width;
573	bg_pmap_height = new_pmap_height;
574	}
575	/* fill with background color (if result's not completely overlapping it) */
576	gcv.foreground = pix_colors[Color_bg];
577	gc = XCreateGC (dpy, vt, GCForeground, &gcv);
578
579	int src_x = 0, src_y = 0, dst_x = 0, dst_y = 0;
580	int dst_width = result->width, dst_height = result->height;
581	if (background == NULL)
582	{
583	if (!(bg_flags & BG_TILE))
584	{
585	src_x = make_clip_rectangle (x, result->width , new_pmap_width , dst_x, dst_width );
586	src_y = make_clip_rectangle (y, result->height, new_pmap_height, dst_y, dst_height);
587	}
588
589	if (dst_x > 0 \|\| dst_y > 0
590	\|\| dst_x + dst_width < new_pmap_width
591	\|\| dst_y + dst_height < new_pmap_height)
592	XFillRectangle (dpy, bg_pixmap, gc, 0, 0, new_pmap_width, new_pmap_height);
593	}
594
595	/* put result on pixmap */
596	if (dst_x < new_pmap_width && dst_y < new_pmap_height)
597	asimage2drawable (asv, bg_pixmap, result, gc, src_x, src_y, dst_x, dst_y, dst_width, dst_height, True);
598
599	if (result != background && result != original_asim)
600	destroy_asimage (&result);
601
602	XFreeGC (dpy, gc);
603
604	ret = true;
605	}
606
607	if (background)
608	destroy_asimage (&background);
609
610	return ret;
611	}	342	}
612	# endif /* HAVE_AFTERIMAGE */
613		343
614	# ifdef HAVE_PIXBUF	344	# ifdef HAVE_PIXBUF
615	bool	345	bool
616	rxvt_term::pixbuf_to_pixmap (GdkPixbuf *pixbuf, Pixmap pixmap, GC gc,	346	rxvt_term::pixbuf_to_pixmap (GdkPixbuf *pixbuf, Pixmap pixmap, GC gc,
617	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,
618	unsigned int width, unsigned int height)	348	unsigned int width, unsigned int height)
619	{	349	{
620	XImage *ximage;	350	XImage *ximage;
621	char data, line;	351	char *line;
622	int bytes_per_pixel;
623	int width_r, width_g, width_b;	352	int width_r, width_g, width_b, width_a;
624	int sh_r, sh_g, sh_b;	353	int sh_r, sh_g, sh_b, sh_a;
		354	uint32_t alpha_mask;
625	int rowstride;	355	int rowstride;
626	int channels;	356	int channels;
627	unsigned char *row;	357	unsigned char *row;
628		358
629	if (visual->c_class != TrueColor)	359	if (visual->c_class != TrueColor)
630	return false;	360	return false;
631		361
632	if (depth == 24 \|\| depth == 32)	362	#if XRENDER
633	bytes_per_pixel = 4;	363	XRenderPictFormat *format = XRenderFindVisualFormat (dpy, visual);
634	else if (depth == 15 \|\| depth == 16)	364	if (format)
635	bytes_per_pixel = 2;	365	alpha_mask = (uint32_t)format->direct.alphaMask << format->direct.alpha;
636	else	366	else
637	return false;	367	#endif
		368	alpha_mask = 0;
638		369
639	width_r = ecb_popcount32 (visual->red_mask);	370	width_r = ecb_popcount32 (visual->red_mask);
640	width_g = ecb_popcount32 (visual->green_mask);	371	width_g = ecb_popcount32 (visual->green_mask);
641	width_b = ecb_popcount32 (visual->blue_mask);	372	width_b = ecb_popcount32 (visual->blue_mask);
		373	width_a = ecb_popcount32 (alpha_mask);
642		374
643	if (width_r > 8 \|\| width_g > 8 \|\| width_b > 8)	375	if (width_r > 8 \|\| width_g > 8 \|\| width_b > 8 \|\| width_a > 8)
644	return false;	376	return false;
645		377
646	sh_r = ecb_ctz32 (visual->red_mask);	378	sh_r = ecb_ctz32 (visual->red_mask);
647	sh_g = ecb_ctz32 (visual->green_mask);	379	sh_g = ecb_ctz32 (visual->green_mask);
648	sh_b = ecb_ctz32 (visual->blue_mask);	380	sh_b = ecb_ctz32 (visual->blue_mask);
		381	sh_a = ecb_ctz32 (alpha_mask);
649		382
650	if (width > INT_MAX / height / bytes_per_pixel)	383	if (width > 32767 \|\| height > 32767)
651	return false;	384	return false;
652		385
653	data = (char )malloc (width height * bytes_per_pixel);	386	ximage = XCreateImage (dpy, visual, depth, ZPixmap, 0, 0,
654	if (!data)	387	width, height, 32, 0);
		388	if (!ximage)
655	return false;	389	return false;
656		390
657	ximage = XCreateImage (dpy, visual, depth, ZPixmap, 0, data,	391	if (height > INT_MAX / ximage->bytes_per_line
658	width, height, bytes_per_pixel * 8, 0);	392	\|\| !(ximage->data = (char )malloc (height ximage->bytes_per_line)))
659	if (!ximage)
660	{	393	{
661	free (data);	394	XDestroyImage (ximage);
662	return false;	395	return false;
663	}	396	}
664		397
665	ximage->byte_order = ecb_big_endian () ? MSBFirst : LSBFirst;	398	ximage->byte_order = ecb_big_endian () ? MSBFirst : LSBFirst;
666		399
667	rowstride = gdk_pixbuf_get_rowstride (pixbuf);	400	rowstride = gdk_pixbuf_get_rowstride (pixbuf);
668	channels = gdk_pixbuf_get_n_channels (pixbuf);	401	channels = gdk_pixbuf_get_n_channels (pixbuf);
669	row = gdk_pixbuf_get_pixels (pixbuf) + src_y * rowstride + src_x * channels;	402	row = gdk_pixbuf_get_pixels (pixbuf) + src_y * rowstride + src_x * channels;
670	line = data;	403	line = ximage->data;
		404
		405	rgba c (0, 0, 0);
		406
		407	if (channels == 4 && alpha_mask == 0)
		408	{
		409	pix_colors[Color_bg].get (c);
		410	c.r >>= 8;
		411	c.g >>= 8;
		412	c.b >>= 8;
		413	}
671		414
672	for (int y = 0; y < height; y++)	415	for (int y = 0; y < height; y++)
673	{	416	{
674	for (int x = 0; x < width; x++)	417	for (int x = 0; x < width; x++)
675	{	418	{
676	unsigned char pixel = row + x channels;	419	unsigned char pixel = row + x channels;
677	uint32_t value;	420	uint32_t value;
		421	unsigned char r, g, b, a;
678		422
		423	if (channels == 4)
		424	{
		425	a = pixel[3];
		426	r = (pixel[0] * a + c.r * (0xff - a)) / 0xff;
		427	g = (pixel[1] * a + c.g * (0xff - a)) / 0xff;
		428	b = (pixel[2] * a + c.b * (0xff - a)) / 0xff;
		429	}
		430	else
		431	{
		432	a = 0xff;
		433	r = pixel[0];
		434	g = pixel[1];
		435	b = pixel[2];
		436	}
		437
679	value = ((pixel[0] >> (8 - width_r)) << sh_r)	438	value = ((r >> (8 - width_r)) << sh_r)
680	\| ((pixel[1] >> (8 - width_g)) << sh_g)	439	\| ((g >> (8 - width_g)) << sh_g)
681	\| ((pixel[2] >> (8 - width_b)) << sh_b);	440	\| ((b >> (8 - width_b)) << sh_b)
		441	\| ((a >> (8 - width_a)) << sh_a);
682		442
683	if (bytes_per_pixel == 4)	443	if (ximage->bits_per_pixel == 32)
684	((uint32_t *)line)[x] = value;	444	((uint32_t *)line)[x] = value;
685	else	445	else
686	((uint16_t *)line)[x] = value;	446	XPutPixel (ximage, x, y, value);
687	}	447	}
688		448
689	row += rowstride;	449	row += rowstride;
690	line += ximage->bytes_per_line;	450	line += ximage->bytes_per_line;
691	}	451	}
…		…
694	XDestroyImage (ximage);	454	XDestroyImage (ximage);
695	return true;	455	return true;
696	}	456	}
697		457
698	bool	458	bool
699	rxvt_term::render_image (unsigned long tr_flags)	459	rxvt_term::render_image (bool transparent)
700	{	460	{
701	if (!pixbuf)	461	if (!pixbuf)
702	return false;	462	return false;
703		463
704	if (tr_flags	464	if (transparent
705	&& !(bg_flags & BG_HAS_RENDER))	465	&& !(bg_flags & BG_HAS_RENDER))
706	return false;	466	return false;
707		467
708	GdkPixbuf *result;	468	GdkPixbuf *result;
709		469
…		…
749	Pixmap root_pmap;	509	Pixmap root_pmap;
750		510
751	image_width = gdk_pixbuf_get_width (result);	511	image_width = gdk_pixbuf_get_width (result);
752	image_height = gdk_pixbuf_get_height (result);	512	image_height = gdk_pixbuf_get_height (result);
753		513
754	if (tr_flags)	514	if (transparent)
755	{	515	{
756	root_pmap = bg_pixmap;	516	root_pmap = bg_pixmap;
757	bg_pixmap = None;	517	bg_pixmap = None;
758	}	518	}
759	else	519	else
…		…
817	dst_x, dst_y,	577	dst_x, dst_y,
818	dst_width, dst_height);	578	dst_width, dst_height);
819	}	579	}
820		580
821	#if XRENDER	581	#if XRENDER
822	if (tr_flags)	582	if (transparent)
823	{	583	{
824	XRenderPictFormat *format = XRenderFindVisualFormat (dpy, visual);	584	XRenderPictFormat *format = XRenderFindVisualFormat (dpy, visual);
825		585
826	Picture src = XRenderCreatePicture (dpy, root_pmap, format, 0, 0);	586	Picture src = XRenderCreatePicture (dpy, root_pmap, format, 0, 0);
827		587
…		…
830	Picture mask = create_xrender_mask (dpy, vt, False, False);	590	Picture mask = create_xrender_mask (dpy, vt, False, False);
831		591
832	XRenderColor mask_c;	592	XRenderColor mask_c;
833		593
834	mask_c.alpha = 0x8000;	594	mask_c.alpha = 0x8000;
835	mask_c.red = 0;	595	mask_c.red =
836	mask_c.green = 0;	596	mask_c.green =
837	mask_c.blue = 0;	597	mask_c.blue = 0;
838	XRenderFillRectangle (dpy, PictOpSrc, mask, &mask_c, 0, 0, 1, 1);	598	XRenderFillRectangle (dpy, PictOpSrc, mask, &mask_c, 0, 0, 1, 1);
		599
839	XRenderComposite (dpy, PictOpOver, src, mask, dst, 0, 0, 0, 0, 0, 0, target_width, target_height);	600	XRenderComposite (dpy, PictOpOver, src, mask, dst, 0, 0, 0, 0, 0, 0, target_width, target_height);
840		601
841	XRenderFreePicture (dpy, src);	602	XRenderFreePicture (dpy, src);
842	XRenderFreePicture (dpy, dst);	603	XRenderFreePicture (dpy, dst);
843	XRenderFreePicture (dpy, mask);	604	XRenderFreePicture (dpy, mask);
…		…
850	}	611	}
851		612
852	if (result != pixbuf)	613	if (result != pixbuf)
853	g_object_unref (result);	614	g_object_unref (result);
854		615
855	if (tr_flags)	616	if (transparent)
856	XFreePixmap (dpy, root_pmap);	617	XFreePixmap (dpy, root_pmap);
857		618
858	return ret;	619	return ret;
859	}	620	}
860	# endif /* HAVE_PIXBUF */	621	# endif /* HAVE_PIXBUF */
…		…
875	memcpy (f, file, len);	636	memcpy (f, file, len);
876	f[len] = '\0';	637	f[len] = '\0';
877	file = f;	638	file = f;
878	}	639	}
879		640
880	# ifdef HAVE_AFTERIMAGE
881	if (!asimman)
882	asimman = create_generic_imageman (rs[Rs_path]);
883	ASImage *image = get_asimage (asimman, file, 0xFFFFFFFF, 100);
884	if (image)
885	{
886	if (original_asim)
887	safe_asimage_destroy (original_asim);
888	original_asim = image;
889	bg_flags \|= BG_IS_FROM_FILE \| BG_CLIENT_RENDER;
890	ret = true;
891	}
892	# endif
893
894	# ifdef HAVE_PIXBUF	641	# ifdef HAVE_PIXBUF
895	GdkPixbuf *image = gdk_pixbuf_new_from_file (file, NULL);	642	GdkPixbuf *image = gdk_pixbuf_new_from_file (file, NULL);
896	if (image)	643	if (image)
897	{	644	{
898	if (pixbuf)	645	if (pixbuf)
…		…
916		663
917	# endif /* BG_IMAGE_FROM_FILE */	664	# endif /* BG_IMAGE_FROM_FILE */
918		665
919	# ifdef ENABLE_TRANSPARENCY	666	# ifdef ENABLE_TRANSPARENCY
920	bool	667	bool
921	rxvt_term::bg_set_transparent ()
922	{
923	if (!(bg_flags & BG_IS_TRANSPARENT))
924	{
925	bg_flags \|= BG_IS_TRANSPARENT;
926	return true;
927	}
928
929	return false;
930	}
931
932	bool
933	rxvt_term::bg_set_blur (const char *geom)	668	rxvt_term::bg_set_blur (const char *geom)
934	{	669	{
935	bool changed = false;	670	bool changed = false;
936	unsigned int hr, vr;	671	unsigned int hr, vr;
937	int junk;	672	int junk;
…		…
955	{	690	{
956	changed = true;	691	changed = true;
957	v_blurRadius = vr;	692	v_blurRadius = vr;
958	}	693	}
959		694
960	if (v_blurRadius == 0 && h_blurRadius == 0)
961	bg_flags &= ~BG_NEEDS_BLUR;
962	else
963	bg_flags \|= BG_NEEDS_BLUR;
964
965	return changed;	695	return changed;
966	}	696	}
967		697
968	void
969	rxvt_term::set_tint_shade_flags ()
970	{
971	rgba c;
972	bool has_shade = shade != 100;
973
974	bg_flags &= ~BG_TINT_FLAGS;
975
976	tint.get (c);
977
978	if (!has_shade
979	&& (c.r <= 0x00ff \|\| c.r >= 0xff00)
980	&& (c.g <= 0x00ff \|\| c.g >= 0xff00)
981	&& (c.b <= 0x00ff \|\| c.b >= 0xff00))
982	bg_flags \|= BG_TINT_BITAND;
983
984	if (has_shade
985	\|\| c.r < 0xff00
986	\|\| c.g < 0xff00
987	\|\| c.b < 0xff00)
988	bg_flags \|= BG_NEEDS_TINT;
989	}
990
991	bool	698	bool
992	rxvt_term::bg_set_tint (rxvt_color &new_tint)	699	rxvt_term::bg_set_tint (rxvt_color &new_tint)
993	{	700	{
994	if (tint != new_tint)	701	if (!(bg_flags & BG_TINT_SET) \|\| tint != new_tint)
995	{	702	{
996	tint = new_tint;	703	tint = new_tint;
997	set_tint_shade_flags ();	704	bg_flags \|= BG_TINT_SET;
		705
		706	rgba c;
		707	tint.get (c);
		708	if ((c.r <= 0x00ff \|\| c.r >= 0xff00)
		709	&& (c.g <= 0x00ff \|\| c.g >= 0xff00)
		710	&& (c.b <= 0x00ff \|\| c.b >= 0xff00))
		711	bg_flags \|= BG_TINT_BITAND;
		712	else
		713	bg_flags &= ~BG_TINT_BITAND;
		714
998	return true;	715	return true;
999	}	716	}
1000		717
1001	return false;	718	return false;
1002	}	719	}
…		…
1011	new_shade = 200 - (100 + new_shade);	728	new_shade = 200 - (100 + new_shade);
1012		729
1013	if (new_shade != shade)	730	if (new_shade != shade)
1014	{	731	{
1015	shade = new_shade;	732	shade = new_shade;
1016	set_tint_shade_flags ();
1017	return true;	733	return true;
1018	}	734	}
1019		735
1020	return false;	736	return false;
1021	}	737	}
…		…
1042	params[i+2] = XDoubleToFixed (kernel[i] / sum);	758	params[i+2] = XDoubleToFixed (kernel[i] / sum);
1043	}	759	}
1044	#endif	760	#endif
1045		761
1046	bool	762	bool
1047	rxvt_term::blur_pixmap (Pixmap pixmap, Visual *visual, int width, int height)	763	rxvt_term::blur_pixmap (Pixmap pixmap, Visual *visual, int width, int height, int depth)
1048	{	764	{
1049	bool ret = false;	765	bool ret = false;
1050	#if XRENDER	766	#if XRENDER
1051	if (!(bg_flags & BG_HAS_RENDER_CONV))	767	if (!(bg_flags & BG_HAS_RENDER_CONV))
1052	return false;	768	return false;
1053		769
1054	int size = max (h_blurRadius, v_blurRadius) * 2 + 1;	770	int size = max (h_blurRadius, v_blurRadius) * 2 + 1;
1055	double kernel = (double )malloc (size * sizeof (double));	771	double kernel = (double )malloc (size * sizeof (double));
1056	XFixed params = (XFixed )malloc ((size + 2) * sizeof (XFixed));	772	XFixed params = (XFixed )malloc ((size + 2) * sizeof (XFixed));
1057		773
		774	XRenderPictureAttributes pa;
1058	XRenderPictFormat *format = XRenderFindVisualFormat (dpy, visual);	775	XRenderPictFormat *format = XRenderFindVisualFormat (dpy, visual);
1059		776
		777	pa.repeat = RepeatPad;
1060	Picture src = XRenderCreatePicture (dpy, pixmap, format, 0, 0);	778	Picture src = XRenderCreatePicture (dpy, pixmap, format, CPRepeat, &pa);
		779	Pixmap tmp = XCreatePixmap (dpy, pixmap, width, height, depth);
1061	Picture dst = XRenderCreatePicture (dpy, pixmap, format, 0, 0);	780	Picture dst = XRenderCreatePicture (dpy, tmp, format, CPRepeat, &pa);
		781	XFreePixmap (dpy, tmp);
1062		782
1063	if (kernel && params)	783	if (kernel && params)
1064	{	784	{
1065	if (h_blurRadius)
1066	{
1067	size = h_blurRadius * 2 + 1;	785	size = h_blurRadius * 2 + 1;
1068	get_gaussian_kernel (h_blurRadius, size, kernel, params);	786	get_gaussian_kernel (h_blurRadius, size, kernel, params);
1069		787
1070	XRenderSetPictureFilter (dpy, src, FilterConvolution, params, size+2);	788	XRenderSetPictureFilter (dpy, src, FilterConvolution, params, size+2);
1071	XRenderComposite (dpy,	789	XRenderComposite (dpy,
1072	PictOpSrc,	790	PictOpSrc,
1073	src,	791	src,
1074	None,	792	None,
1075	dst,	793	dst,
1076	0, 0,	794	0, 0,
1077	0, 0,	795	0, 0,
1078	0, 0,	796	0, 0,
1079	width, height);	797	width, height);
1080	}
1081		798
1082	if (v_blurRadius)	799	::swap (src, dst);
1083	{	800
1084	size = v_blurRadius * 2 + 1;	801	size = v_blurRadius * 2 + 1;
1085	get_gaussian_kernel (v_blurRadius, size, kernel, params);	802	get_gaussian_kernel (v_blurRadius, size, kernel, params);
1086	::swap (params[0], params[1]);	803	::swap (params[0], params[1]);
1087		804
1088	XRenderSetPictureFilter (dpy, src, FilterConvolution, params, size+2);	805	XRenderSetPictureFilter (dpy, src, FilterConvolution, params, size+2);
1089	XRenderComposite (dpy,	806	XRenderComposite (dpy,
1090	PictOpSrc,	807	PictOpSrc,
1091	src,	808	src,
1092	None,	809	None,
1093	dst,	810	dst,
1094	0, 0,	811	0, 0,
1095	0, 0,	812	0, 0,
1096	0, 0,	813	0, 0,
1097	width, height);	814	width, height);
1098	}
1099		815
1100	ret = true;	816	ret = true;
1101	}	817	}
1102		818
1103	free (kernel);	819	free (kernel);
…		…
1111	bool	827	bool
1112	rxvt_term::tint_pixmap (Pixmap pixmap, Visual *visual, int width, int height)	828	rxvt_term::tint_pixmap (Pixmap pixmap, Visual *visual, int width, int height)
1113	{	829	{
1114	bool ret = false;	830	bool ret = false;
1115		831
1116	if (bg_flags & BG_TINT_BITAND)	832	if (shade == 100 && (bg_flags & BG_TINT_BITAND))
1117	{	833	{
1118	XGCValues gcv;	834	XGCValues gcv;
1119	GC gc;	835	GC gc;
1120		836
1121	/* In this case we can tint image server-side getting significant	837	/* In this case we can tint image server-side getting significant
…		…
1133	}	849	}
1134	}	850	}
1135	# if XRENDER	851	# if XRENDER
1136	else if (bg_flags & BG_HAS_RENDER)	852	else if (bg_flags & BG_HAS_RENDER)
1137	{	853	{
1138	rgba c;	854	rgba c (rgba::MAX_CC, rgba::MAX_CC, rgba::MAX_CC);
1139		855
		856	if (bg_flags & BG_TINT_SET)
1140	tint.get (c);	857	tint.get (c);
1141		858
1142	if (shade <= 100)	859	if (shade <= 100)
1143	{	860	{
1144	c.r = c.r * shade / 100;	861	c.r = c.r * shade / 100;
1145	c.g = c.g * shade / 100;	862	c.g = c.g * shade / 100;
…		…
1171	mask_c.alpha = 0;	888	mask_c.alpha = 0;
1172	mask_c.red = 0xffff - c.r;	889	mask_c.red = 0xffff - c.r;
1173	mask_c.green = 0xffff - c.g;	890	mask_c.green = 0xffff - c.g;
1174	mask_c.blue = 0xffff - c.b;	891	mask_c.blue = 0xffff - c.b;
1175	XRenderFillRectangle (dpy, PictOpSrc, mask_pic, &mask_c, 0, 0, 1, 1);	892	XRenderFillRectangle (dpy, PictOpSrc, mask_pic, &mask_c, 0, 0, 1, 1);
		893
1176	XRenderComposite (dpy, PictOpOver, overlay_pic, mask_pic, back_pic, 0, 0, 0, 0, 0, 0, width, height);	894	XRenderComposite (dpy, PictOpOver, overlay_pic, mask_pic, back_pic, 0, 0, 0, 0, 0, 0, width, height);
1177		895
1178	if (shade > 100)	896	if (shade > 100)
1179	{	897	{
1180	mask_c.red = mask_c.green = mask_c.blue = 0xffff * (shade - 100) / 100;
1181	mask_c.alpha = 0;	898	mask_c.alpha = 0;
		899	mask_c.red =
		900	mask_c.green =
		901	mask_c.blue = 0xffff * (shade - 100) / 100;
1182	XRenderFillRectangle (dpy, PictOpSrc, overlay_pic, &mask_c, 0, 0, 1, 1);	902	XRenderFillRectangle (dpy, PictOpSrc, overlay_pic, &mask_c, 0, 0, 1, 1);
1183		903
1184	XRenderComposite (dpy, PictOpOver, overlay_pic, None, back_pic, 0, 0, 0, 0, 0, 0, width, height);	904	XRenderComposite (dpy, PictOpOver, overlay_pic, None, back_pic, 0, 0, 0, 0, 0, 0, width, height);
1185	}	905	}
1186		906
…		…
1198	/*	918	/*
1199	* Builds a pixmap of the same size as the terminal window that contains	919	* Builds a pixmap of the same size as the terminal window that contains
1200	* the tiled portion of the root pixmap that is supposed to be covered by	920	* the tiled portion of the root pixmap that is supposed to be covered by
1201	* our window.	921	* our window.
1202	*/	922	*/
1203	unsigned long	923	bool
1204	rxvt_term::make_transparency_pixmap ()	924	rxvt_term::make_transparency_pixmap ()
1205	{	925	{
1206	unsigned long result = 0;	926	bool ret = false;
1207		927
1208	/* root dimensions may change from call to call - but Display structure should	928	/* root dimensions may change from call to call - but Display structure should
1209	* be always up-to-date, so let's use it :	929	* be always up-to-date, so let's use it :
1210	*/	930	*/
1211	int screen = display->screen;	931	int screen = display->screen;
…		…
1292	gc = XCreateGC (dpy, vt, GCFillStyle \| GCTile \| GCTileStipXOrigin \| GCTileStipYOrigin, &gcv);	1012	gc = XCreateGC (dpy, vt, GCFillStyle \| GCTile \| GCTileStipXOrigin \| GCTileStipYOrigin, &gcv);
1293		1013
1294	if (gc)	1014	if (gc)
1295	{	1015	{
1296	XFillRectangle (dpy, bg_pixmap, gc, 0, 0, window_width, window_height);	1016	XFillRectangle (dpy, bg_pixmap, gc, 0, 0, window_width, window_height);
1297	result \|= BG_IS_VALID \| (bg_flags & BG_EFFECTS_FLAGS);	1017	ret = true;
		1018	bool need_blur = h_blurRadius && v_blurRadius;
		1019	bool need_tint = shade != 100 \|\| (bg_flags & BG_TINT_SET);
1298		1020
1299	if (!(bg_flags & BG_CLIENT_RENDER))	1021	if (!(bg_flags & BG_CLIENT_RENDER))
1300	{	1022	{
1301	if (bg_flags & BG_NEEDS_BLUR)	1023	if (need_blur)
1302	{	1024	{
1303	if (blur_pixmap (bg_pixmap, visual, window_width, window_height))	1025	if (blur_pixmap (bg_pixmap, visual, window_width, window_height, depth))
1304	result &= ~BG_NEEDS_BLUR;	1026	need_blur = false;
1305	}	1027	}
1306	if (bg_flags & BG_NEEDS_TINT)	1028	if (need_tint)
1307	{	1029	{
1308	if (tint_pixmap (bg_pixmap, visual, window_width, window_height))	1030	if (tint_pixmap (bg_pixmap, visual, window_width, window_height))
1309	result &= ~BG_NEEDS_TINT;	1031	need_tint = false;
1310	}	1032	}
1311	# ifndef HAVE_AFTERIMAGE	1033	if (need_tint)
1312	if (result & BG_NEEDS_TINT)
1313	{	1034	{
1314	XImage *ximage = XGetImage (dpy, bg_pixmap, 0, 0, bg_pmap_width, bg_pmap_height, AllPlanes, ZPixmap);	1035	XImage *ximage = XGetImage (dpy, bg_pixmap, 0, 0, bg_pmap_width, bg_pmap_height, AllPlanes, ZPixmap);
1315	if (ximage)	1036	if (ximage)
1316	{	1037	{
1317	/* our own client-side tinting */	1038	/* our own client-side tinting */
…		…
1319		1040
1320	XPutImage (dpy, bg_pixmap, gc, ximage, 0, 0, 0, 0, ximage->width, ximage->height);	1041	XPutImage (dpy, bg_pixmap, gc, ximage, 0, 0, 0, 0, ximage->width, ximage->height);
1321	XDestroyImage (ximage);	1042	XDestroyImage (ximage);
1322	}	1043	}
1323	}	1044	}
1324	# endif
1325	} /* server side rendering completed */	1045	} /* server side rendering completed */
1326		1046
1327	XFreeGC (dpy, gc);	1047	XFreeGC (dpy, gc);
1328	}	1048	}
1329		1049
1330	if (recoded_root_pmap != root_pixmap)	1050	if (recoded_root_pmap != root_pixmap)
1331	XFreePixmap (dpy, recoded_root_pmap);	1051	XFreePixmap (dpy, recoded_root_pmap);
1332		1052
1333	return result;	1053	return ret;
1334	}	1054	}
1335		1055
1336	void	1056	void
1337	rxvt_term::bg_set_root_pixmap ()	1057	rxvt_term::bg_set_root_pixmap ()
1338	{	1058	{
…		…
1345	# endif /* ENABLE_TRANSPARENCY */	1065	# endif /* ENABLE_TRANSPARENCY */
1346		1066
1347	bool	1067	bool
1348	rxvt_term::bg_render ()	1068	rxvt_term::bg_render ()
1349	{	1069	{
1350	unsigned long tr_flags = 0;	1070	bool transparent = false;
1351		1071
1352	bg_invalidate ();	1072	bg_invalidate ();
1353	# ifdef ENABLE_TRANSPARENCY	1073	# ifdef ENABLE_TRANSPARENCY
1354	if (bg_flags & BG_IS_TRANSPARENT)	1074	if (bg_flags & BG_IS_TRANSPARENT)
1355	{	1075	{
1356	/* we need to re-generate transparency pixmap in that case ! */	1076	/* we need to re-generate transparency pixmap in that case ! */
1357	tr_flags = make_transparency_pixmap ();	1077	transparent = make_transparency_pixmap ();
1358	if (tr_flags == 0)	1078	if (transparent)
1359	return false;
1360	bg_flags \|= BG_IS_VALID;	1079	bg_flags \|= BG_IS_VALID;
1361	}	1080	}
1362	# endif	1081	# endif
1363		1082
1364	# ifdef BG_IMAGE_FROM_FILE	1083	# ifdef BG_IMAGE_FROM_FILE
1365	if ((bg_flags & BG_IS_FROM_FILE)	1084	if (bg_flags & BG_IS_FROM_FILE)
1366	\|\| (tr_flags & BG_EFFECTS_FLAGS))
1367	{	1085	{
1368	if (render_image (tr_flags))	1086	if (render_image (transparent))
1369	bg_flags \|= BG_IS_VALID;	1087	bg_flags \|= BG_IS_VALID;
1370	}	1088	}
1371	# endif	1089	# endif
1372		1090
1373	if (!(bg_flags & BG_IS_VALID))	1091	if (!(bg_flags & BG_IS_VALID))
…		…
1389		1107
1390	void	1108	void
1391	rxvt_term::bg_init ()	1109	rxvt_term::bg_init ()
1392	{	1110	{
1393	#ifdef ENABLE_TRANSPARENCY	1111	#ifdef ENABLE_TRANSPARENCY
1394	rgba c (rgba::MAX_CC, rgba::MAX_CC, rgba::MAX_CC);
1395	tint.set (this, c);
1396	shade = 100;	1112	shade = 100;
1397	#endif	1113	#endif
1398		1114
1399	bg_flags &= ~(BG_HAS_RENDER \| BG_HAS_RENDER_CONV);	1115	bg_flags &= ~(BG_HAS_RENDER \| BG_HAS_RENDER_CONV);
1400	#if XRENDER	1116	#if XRENDER
…		…
1413	#endif	1129	#endif
1414	}	1130	}
1415		1131
1416	#endif /* HAVE_BG_PIXMAP */	1132	#endif /* HAVE_BG_PIXMAP */
1417		1133
1418	#if defined(ENABLE_TRANSPARENCY) && !defined(HAVE_AFTERIMAGE)	1134	#ifdef ENABLE_TRANSPARENCY
1419	/* based on code from aterm-0.4.2 */	1135	/* based on code from aterm-0.4.2 */
1420		1136
1421	static inline void	1137	static inline void
1422	fill_lut (uint32_t *lookup, uint32_t mask, int sh, unsigned short low, unsigned short high)	1138	fill_lut (uint32_t *lookup, uint32_t mask, int sh, unsigned short low, unsigned short high)
1423	{	1139	{
…		…
1431	}	1147	}
1432		1148
1433	void	1149	void
1434	rxvt_term::tint_ximage (Visual visual, XImage ximage)	1150	rxvt_term::tint_ximage (Visual visual, XImage ximage)
1435	{	1151	{
		1152	unsigned int size_r, size_g, size_b;
1436	int sh_r, sh_g, sh_b;	1153	int sh_r, sh_g, sh_b;
1437	uint32_t mask_r, mask_g, mask_b;	1154	uint32_t mask_r, mask_g, mask_b;
1438	uint32_t lookup, lookup_r, lookup_g, lookup_b;	1155	uint32_t lookup, lookup_r, lookup_g, lookup_b;
1439	unsigned short low;	1156	unsigned short low;
1440	int host_byte_order = ecb_big_endian () ? MSBFirst : LSBFirst;	1157	int host_byte_order = ecb_big_endian () ? MSBFirst : LSBFirst;
…		…
1445	mask_r = visual->red_mask;	1162	mask_r = visual->red_mask;
1446	mask_g = visual->green_mask;	1163	mask_g = visual->green_mask;
1447	mask_b = visual->blue_mask;	1164	mask_b = visual->blue_mask;
1448		1165
1449	/* boring lookup table pre-initialization */	1166	/* boring lookup table pre-initialization */
1450	switch (ximage->depth)	1167	sh_r = ecb_ctz32 (mask_r);
1451	{	1168	sh_g = ecb_ctz32 (mask_g);
1452	case 15:	1169	sh_b = ecb_ctz32 (mask_b);
1453	if ((mask_r != 0x7c00) \|\|	1170
1454	(mask_g != 0x03e0) \|\|	1171	size_r = mask_r >> sh_r;
1455	(mask_b != 0x001f))	1172	size_g = mask_g >> sh_g;
		1173	size_b = mask_b >> sh_b;
		1174
		1175	if (size_r++ > 255 \|\| size_g++ > 255 \|\| size_b++ > 255)
1456	return;	1176	return;
1457	lookup = (uint32_t ) malloc (sizeof (uint32_t)(32+32+32));	1177
		1178	lookup = (uint32_t )malloc (sizeof (uint32_t) (size_r + size_g + size_b));
1458	lookup_r = lookup;	1179	lookup_r = lookup;
1459	lookup_g = lookup+32;	1180	lookup_g = lookup + size_r;
1460	lookup_b = lookup+32+32;	1181	lookup_b = lookup + size_r + size_g;
1461	sh_r = 10;
1462	sh_g = 5;
1463	sh_b = 0;
1464	break;
1465	case 16:
1466	if ((mask_r != 0xf800) \|\|
1467	(mask_g != 0x07e0) \|\|
1468	(mask_b != 0x001f))
1469	return;
1470	lookup = (uint32_t ) malloc (sizeof (uint32_t)(32+64+32));
1471	lookup_r = lookup;
1472	lookup_g = lookup+32;
1473	lookup_b = lookup+32+64;
1474	sh_r = 11;
1475	sh_g = 5;
1476	sh_b = 0;
1477	break;
1478	case 24:
1479	if ((mask_r != 0xff0000) \|\|
1480	(mask_g != 0x00ff00) \|\|
1481	(mask_b != 0x0000ff))
1482	return;
1483	lookup = (uint32_t ) malloc (sizeof (uint32_t)(256+256+256));
1484	lookup_r = lookup;
1485	lookup_g = lookup+256;
1486	lookup_b = lookup+256+256;
1487	sh_r = 16;
1488	sh_g = 8;
1489	sh_b = 0;
1490	break;
1491	case 32:
1492	if ((mask_r != 0xff0000) \|\|
1493	(mask_g != 0x00ff00) \|\|
1494	(mask_b != 0x0000ff))
1495	return;
1496	lookup = (uint32_t ) malloc (sizeof (uint32_t)(256+256+256));
1497	lookup_r = lookup;
1498	lookup_g = lookup+256;
1499	lookup_b = lookup+256+256;
1500	sh_r = 16;
1501	sh_g = 8;
1502	sh_b = 0;
1503	break;
1504	default:
1505	return; /* we do not support this color depth */
1506	}
1507		1182
1508	rgba c;	1183	rgba c (rgba::MAX_CC, rgba::MAX_CC, rgba::MAX_CC);
1509		1184
		1185	if (bg_flags & BG_TINT_SET)
1510	tint.get (c);	1186	tint.get (c);
1511		1187
1512	/* prepare limits for color transformation (each channel is handled separately) */	1188	/* prepare limits for color transformation (each channel is handled separately) */
1513	if (shade > 100)	1189	if (shade > 100)
1514	{	1190	{
1515	c.r = c.r * (200 - shade) / 100;	1191	c.r = c.r * (200 - shade) / 100;
…		…
1532	fill_lut (lookup_g, mask_g, sh_g, low, c.g);	1208	fill_lut (lookup_g, mask_g, sh_g, low, c.g);
1533	fill_lut (lookup_b, mask_b, sh_b, low, c.b);	1209	fill_lut (lookup_b, mask_b, sh_b, low, c.b);
1534		1210
1535	/* apply table to input image (replacing colors by newly calculated ones) */	1211	/* apply table to input image (replacing colors by newly calculated ones) */
1536	if (ximage->bits_per_pixel == 32	1212	if (ximage->bits_per_pixel == 32
1537	&& (ximage->depth == 24 \|\| ximage->depth == 32)
1538	&& ximage->byte_order == host_byte_order)	1213	&& ximage->byte_order == host_byte_order)
1539	{	1214	{
1540	uint32_t p1, pf, p, pl;	1215	char *line = ximage->data;
1541	p1 = (uint32_t *) ximage->data;
1542	pf = (uint32_t ) (ximage->data + ximage->height ximage->bytes_per_line);
1543		1216
1544	while (p1 < pf)	1217	for (int y = 0; y < ximage->height; y++)
1545	{
1546	p = p1;
1547	pl = p1 + ximage->width;
1548	for (; p < pl; p++)
1549	{	1218	{
1550	p = lookup_r[(p & 0xff0000) >> 16] \|	1219	uint32_t p = (uint32_t )line;
1551	lookup_g[(*p & 0x00ff00) >> 8] \|	1220	for (int x = 0; x < ximage->width; x++)
1552	lookup_b[(*p & 0x0000ff)] \|
1553	(*p & 0xff000000);
1554	}	1221	{
1555	p1 = (uint32_t ) ((char ) p1 + ximage->bytes_per_line);	1222	p = lookup_r[(p & mask_r) >> sh_r] \|
		1223	lookup_g[(*p & mask_g) >> sh_g] \|
		1224	lookup_b[(*p & mask_b) >> sh_b];
		1225	p++;
		1226	}
		1227	line += ximage->bytes_per_line;
1556	}	1228	}
1557	}	1229	}
1558	else	1230	else
1559	{	1231	{
1560	for (int y = 0; y < ximage->height; y++)	1232	for (int y = 0; y < ximage->height; y++)
…		…
1568	}	1240	}
1569	}	1241	}
1570		1242
1571	free (lookup);	1243	free (lookup);
1572	}	1244	}
1573	#endif /* defined(ENABLE_TRANSPARENCY) && !defined(HAVE_AFTERIMAGE) */	1245	#endif /* ENABLE_TRANSPARENCY */

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Comparing rxvt-unicode/src/background.C (file contents): Revision 1.191 by sf-exg, Fri Dec 30 11:22:48 2011 UTC vs. Revision 1.212 by sf-exg, Sun May 13 15:50:18 2012 UTC

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Comparing rxvt-unicode/src/background.C (file contents):
Revision 1.191 by sf-exg, Fri Dec 30 11:22:48 2011 UTC vs.
Revision 1.212 by sf-exg, Sun May 13 15:50:18 2012 UTC