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

Comparing rxvt-unicode/src/background.C (file contents):
Revision 1.181 by sf-exg, Sat Dec 24 14:06:32 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>
…		…
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 *line;
603	int bytes_per_pixel;
604	int width_r, width_g, width_b;	352	int width_r, width_g, width_b, width_a;
605	int sh_r, sh_g, sh_b;	353	int sh_r, sh_g, sh_b, sh_a;
		354	uint32_t alpha_mask;
606	int rowstride;	355	int rowstride;
607	int channels;	356	int channels;
608	unsigned char *row;	357	unsigned char *row;
609		358
610	if (visual->c_class != TrueColor)	359	if (visual->c_class != TrueColor)
611	return false;	360	return false;
612		361
613	if (depth == 24 \|\| depth == 32)	362	#if XRENDER
614	bytes_per_pixel = 4;	363	XRenderPictFormat *format = XRenderFindVisualFormat (dpy, visual);
615	else if (depth == 15 \|\| depth == 16)	364	if (format)
616	bytes_per_pixel = 2;	365	alpha_mask = (uint32_t)format->direct.alphaMask << format->direct.alpha;
617	else	366	else
618	return false;	367	#endif
		368	alpha_mask = 0;
619		369
620	width_r = ecb_popcount32 (visual->red_mask);	370	width_r = ecb_popcount32 (visual->red_mask);
621	width_g = ecb_popcount32 (visual->green_mask);	371	width_g = ecb_popcount32 (visual->green_mask);
622	width_b = ecb_popcount32 (visual->blue_mask);	372	width_b = ecb_popcount32 (visual->blue_mask);
		373	width_a = ecb_popcount32 (alpha_mask);
623		374
624	if (width_r > 8 \|\| width_g > 8 \|\| width_b > 8)	375	if (width_r > 8 \|\| width_g > 8 \|\| width_b > 8 \|\| width_a > 8)
625	return false;	376	return false;
626		377
627	sh_r = ecb_ctz32 (visual->red_mask);	378	sh_r = ecb_ctz32 (visual->red_mask);
628	sh_g = ecb_ctz32 (visual->green_mask);	379	sh_g = ecb_ctz32 (visual->green_mask);
629	sh_b = ecb_ctz32 (visual->blue_mask);	380	sh_b = ecb_ctz32 (visual->blue_mask);
		381	sh_a = ecb_ctz32 (alpha_mask);
630		382
631	if (width > INT_MAX / height / bytes_per_pixel)	383	if (width > 32767 \|\| height > 32767)
632	return false;	384	return false;
633		385
634	data = (char )malloc (width height * bytes_per_pixel);	386	ximage = XCreateImage (dpy, visual, depth, ZPixmap, 0, 0,
635	if (!data)	387	width, height, 32, 0);
		388	if (!ximage)
636	return false;	389	return false;
637		390
638	ximage = XCreateImage (dpy, visual, depth, ZPixmap, 0, data,	391	if (height > INT_MAX / ximage->bytes_per_line
639	width, height, bytes_per_pixel * 8, 0);	392	\|\| !(ximage->data = (char )malloc (height ximage->bytes_per_line)))
640	if (!ximage)
641	{	393	{
642	free (data);	394	XDestroyImage (ximage);
643	return false;	395	return false;
644	}	396	}
645		397
646	ximage->byte_order = ecb_big_endian () ? MSBFirst : LSBFirst;	398	ximage->byte_order = ecb_big_endian () ? MSBFirst : LSBFirst;
647		399
648	rowstride = gdk_pixbuf_get_rowstride (pixbuf);	400	rowstride = gdk_pixbuf_get_rowstride (pixbuf);
649	channels = gdk_pixbuf_get_n_channels (pixbuf);	401	channels = gdk_pixbuf_get_n_channels (pixbuf);
650	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;
651	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	}
652		414
653	for (int y = 0; y < height; y++)	415	for (int y = 0; y < height; y++)
654	{	416	{
655	for (int x = 0; x < width; x++)	417	for (int x = 0; x < width; x++)
656	{	418	{
657	unsigned char pixel = row + x channels;	419	unsigned char pixel = row + x channels;
658	uint32_t value;	420	uint32_t value;
		421	unsigned char r, g, b, a;
659		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
660	value = ((pixel[0] >> (8 - width_r)) << sh_r)	438	value = ((r >> (8 - width_r)) << sh_r)
661	\| ((pixel[1] >> (8 - width_g)) << sh_g)	439	\| ((g >> (8 - width_g)) << sh_g)
662	\| ((pixel[2] >> (8 - width_b)) << sh_b);	440	\| ((b >> (8 - width_b)) << sh_b)
		441	\| ((a >> (8 - width_a)) << sh_a);
663		442
664	if (bytes_per_pixel == 4)	443	if (ximage->bits_per_pixel == 32)
665	((uint32_t *)line)[x] = value;	444	((uint32_t *)line)[x] = value;
666	else	445	else
667	((uint16_t *)line)[x] = value;	446	XPutPixel (ximage, x, y, value);
668	}	447	}
669		448
670	row += rowstride;	449	row += rowstride;
671	line += ximage->bytes_per_line;	450	line += ximage->bytes_per_line;
672	}	451	}
…		…
675	XDestroyImage (ximage);	454	XDestroyImage (ximage);
676	return true;	455	return true;
677	}	456	}
678		457
679	bool	458	bool
680	rxvt_term::render_image (unsigned long tr_flags)	459	rxvt_term::render_image (bool transparent)
681	{	460	{
682	if (!pixbuf)	461	if (!pixbuf)
683	return false;	462	return false;
684		463
685	if (tr_flags	464	if (transparent
686	&& !(bg_flags & BG_HAS_RENDER))	465	&& !(bg_flags & BG_HAS_RENDER))
687	return false;	466	return false;
688		467
689	GdkPixbuf *result;	468	GdkPixbuf *result;
690		469
…		…
730	Pixmap root_pmap;	509	Pixmap root_pmap;
731		510
732	image_width = gdk_pixbuf_get_width (result);	511	image_width = gdk_pixbuf_get_width (result);
733	image_height = gdk_pixbuf_get_height (result);	512	image_height = gdk_pixbuf_get_height (result);
734		513
735	if (tr_flags)	514	if (transparent)
736	{	515	{
737	root_pmap = bg_pixmap;	516	root_pmap = bg_pixmap;
738	bg_pixmap = None;	517	bg_pixmap = None;
739	}	518	}
740	else	519	else
…		…
798	dst_x, dst_y,	577	dst_x, dst_y,
799	dst_width, dst_height);	578	dst_width, dst_height);
800	}	579	}
801		580
802	#if XRENDER	581	#if XRENDER
803	if (tr_flags)	582	if (transparent)
804	{	583	{
805	XRenderPictureAttributes pa;
806
807	XRenderPictFormat *src_format = XRenderFindVisualFormat (dpy, visual);	584	XRenderPictFormat *format = XRenderFindVisualFormat (dpy, visual);
		585
808	Picture src = XRenderCreatePicture (dpy, root_pmap, src_format, 0, &pa);	586	Picture src = XRenderCreatePicture (dpy, root_pmap, format, 0, 0);
809		587
810	XRenderPictFormat *dst_format = XRenderFindVisualFormat (dpy, visual);
811	Picture dst = XRenderCreatePicture (dpy, bg_pixmap, dst_format, 0, &pa);	588	Picture dst = XRenderCreatePicture (dpy, bg_pixmap, format, 0, 0);
812		589
813	pa.repeat = True;	590	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		591
819	XRenderColor mask_c;	592	XRenderColor mask_c;
820		593
821	mask_c.alpha = 0x8000;	594	mask_c.alpha = 0x8000;
822	mask_c.red = 0;	595	mask_c.red =
823	mask_c.green = 0;	596	mask_c.green =
824	mask_c.blue = 0;	597	mask_c.blue = 0;
825	XRenderFillRectangle (dpy, PictOpSrc, mask, &mask_c, 0, 0, 1, 1);	598	XRenderFillRectangle (dpy, PictOpSrc, mask, &mask_c, 0, 0, 1, 1);
		599
826	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);
827		601
828	XRenderFreePicture (dpy, src);	602	XRenderFreePicture (dpy, src);
829	XRenderFreePicture (dpy, dst);	603	XRenderFreePicture (dpy, dst);
830	XRenderFreePicture (dpy, mask);	604	XRenderFreePicture (dpy, mask);
…		…
837	}	611	}
838		612
839	if (result != pixbuf)	613	if (result != pixbuf)
840	g_object_unref (result);	614	g_object_unref (result);
841		615
842	if (tr_flags)	616	if (transparent)
843	XFreePixmap (dpy, root_pmap);	617	XFreePixmap (dpy, root_pmap);
844		618
845	return ret;	619	return ret;
846	}	620	}
847	# endif /* HAVE_PIXBUF */	621	# endif /* HAVE_PIXBUF */
…		…
862	memcpy (f, file, len);	636	memcpy (f, file, len);
863	f[len] = '\0';	637	f[len] = '\0';
864	file = f;	638	file = f;
865	}	639	}
866		640
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	641	# ifdef HAVE_PIXBUF
882	GdkPixbuf *image = gdk_pixbuf_new_from_file (file, NULL);	642	GdkPixbuf *image = gdk_pixbuf_new_from_file (file, NULL);
883	if (image)	643	if (image)
884	{	644	{
885	if (pixbuf)	645	if (pixbuf)
…		…
903		663
904	# endif /* BG_IMAGE_FROM_FILE */	664	# endif /* BG_IMAGE_FROM_FILE */
905		665
906	# ifdef ENABLE_TRANSPARENCY	666	# ifdef ENABLE_TRANSPARENCY
907	bool	667	bool
908	rxvt_term::bg_set_transparent ()
909	{
910	if (!(bg_flags & BG_IS_TRANSPARENT))
911	{
912	bg_flags \|= BG_IS_TRANSPARENT;
913	return true;
914	}
915
916	return false;
917	}
918
919	bool
920	rxvt_term::bg_set_blur (const char *geom)	668	rxvt_term::bg_set_blur (const char *geom)
921	{	669	{
922	bool changed = false;	670	bool changed = false;
923	unsigned int hr, vr;	671	unsigned int hr, vr;
924	int junk;	672	int junk;
…		…
942	{	690	{
943	changed = true;	691	changed = true;
944	v_blurRadius = vr;	692	v_blurRadius = vr;
945	}	693	}
946		694
947	if (v_blurRadius == 0 && h_blurRadius == 0)
948	bg_flags &= ~BG_NEEDS_BLUR;
949	else
950	bg_flags \|= BG_NEEDS_BLUR;
951
952	return changed;	695	return changed;
953	}	696	}
954		697
955	void	698	bool
956	rxvt_term::set_tint_shade_flags ()	699	rxvt_term::bg_set_tint (rxvt_color &new_tint)
957	{	700	{
958	rgba c (rgba::MAX_CC,rgba::MAX_CC,rgba::MAX_CC);	701	if (!(bg_flags & BG_TINT_SET) \|\| tint != new_tint)
959	bool has_shade = shade != 100;	702	{
960		703	tint = new_tint;
961	bg_flags &= ~BG_TINT_FLAGS;	704	bg_flags \|= BG_TINT_SET;
962		705
963	if (bg_flags & BG_TINT_SET)	706	rgba c;
964	{
965	tint.get (c);	707	tint.get (c);
966	if (!has_shade
967	&& (c.r <= 0x00ff \|\| c.r >= 0xff00)	708	if ((c.r <= 0x00ff \|\| c.r >= 0xff00)
968	&& (c.g <= 0x00ff \|\| c.g >= 0xff00)	709	&& (c.g <= 0x00ff \|\| c.g >= 0xff00)
969	&& (c.b <= 0x00ff \|\| c.b >= 0xff00))	710	&& (c.b <= 0x00ff \|\| c.b >= 0xff00))
970	bg_flags \|= BG_TINT_BITAND;	711	bg_flags \|= BG_TINT_BITAND;
971	}	712	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;	713	bg_flags &= ~BG_TINT_BITAND;
984	set_tint_shade_flags ();	714
985	return true;	715	return true;
986	}	716	}
987		717
988	return false;	718	return false;
989	}	719	}
990		720
991	bool	721	bool
992	rxvt_term::bg_set_shade (const char *shade_str)	722	rxvt_term::bg_set_shade (const char *shade_str)
993	{	723	{
994	int new_shade = (shade_str) ? atoi (shade_str) : 100;	724	int new_shade = atoi (shade_str);
995		725
996	clamp_it (new_shade, -100, 200);	726	clamp_it (new_shade, -100, 200);
997	if (new_shade < 0)	727	if (new_shade < 0)
998	new_shade = 200 - (100 + new_shade);	728	new_shade = 200 - (100 + new_shade);
999		729
1000	if (new_shade != shade)	730	if (new_shade != shade)
1001	{	731	{
1002	shade = new_shade;	732	shade = new_shade;
1003	set_tint_shade_flags ();
1004	return true;	733	return true;
1005	}	734	}
1006		735
1007	return false;	736	return false;
1008	}	737	}
…		…
1029	params[i+2] = XDoubleToFixed (kernel[i] / sum);	758	params[i+2] = XDoubleToFixed (kernel[i] / sum);
1030	}	759	}
1031	#endif	760	#endif
1032		761
1033	bool	762	bool
1034	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)
1035	{	764	{
1036	bool ret = false;	765	bool ret = false;
1037	#if XRENDER	766	#if XRENDER
1038	if (!(bg_flags & BG_HAS_RENDER_CONV))	767	if (!(bg_flags & BG_HAS_RENDER_CONV))
1039	return false;	768	return false;
…		…
1043	XFixed params = (XFixed )malloc ((size + 2) * sizeof (XFixed));	772	XFixed params = (XFixed )malloc ((size + 2) * sizeof (XFixed));
1044		773
1045	XRenderPictureAttributes pa;	774	XRenderPictureAttributes pa;
1046	XRenderPictFormat *format = XRenderFindVisualFormat (dpy, visual);	775	XRenderPictFormat *format = XRenderFindVisualFormat (dpy, visual);
1047		776
		777	pa.repeat = RepeatPad;
1048	Picture src = XRenderCreatePicture (dpy, pixmap, format, 0, &pa);	778	Picture src = XRenderCreatePicture (dpy, pixmap, format, CPRepeat, &pa);
		779	Pixmap tmp = XCreatePixmap (dpy, pixmap, width, height, depth);
1049	Picture dst = XRenderCreatePicture (dpy, pixmap, format, 0, &pa);	780	Picture dst = XRenderCreatePicture (dpy, tmp, format, CPRepeat, &pa);
		781	XFreePixmap (dpy, tmp);
1050		782
1051	if (kernel && params)	783	if (kernel && params)
1052	{	784	{
1053	if (h_blurRadius)
1054	{
1055	size = h_blurRadius * 2 + 1;	785	size = h_blurRadius * 2 + 1;
1056	get_gaussian_kernel (h_blurRadius, size, kernel, params);	786	get_gaussian_kernel (h_blurRadius, size, kernel, params);
1057		787
1058	XRenderSetPictureFilter (dpy, src, FilterConvolution, params, size+2);	788	XRenderSetPictureFilter (dpy, src, FilterConvolution, params, size+2);
1059	XRenderComposite (dpy,	789	XRenderComposite (dpy,
1060	PictOpSrc,	790	PictOpSrc,
1061	src,	791	src,
1062	None,	792	None,
1063	dst,	793	dst,
1064	0, 0,	794	0, 0,
1065	0, 0,	795	0, 0,
1066	0, 0,	796	0, 0,
1067	width, height);	797	width, height);
1068	}
1069		798
1070	if (v_blurRadius)	799	::swap (src, dst);
1071	{	800
1072	size = v_blurRadius * 2 + 1;	801	size = v_blurRadius * 2 + 1;
1073	get_gaussian_kernel (v_blurRadius, size, kernel, params);	802	get_gaussian_kernel (v_blurRadius, size, kernel, params);
1074	::swap (params[0], params[1]);	803	::swap (params[0], params[1]);
1075		804
1076	XRenderSetPictureFilter (dpy, src, FilterConvolution, params, size+2);	805	XRenderSetPictureFilter (dpy, src, FilterConvolution, params, size+2);
1077	XRenderComposite (dpy,	806	XRenderComposite (dpy,
1078	PictOpSrc,	807	PictOpSrc,
1079	src,	808	src,
1080	None,	809	None,
1081	dst,	810	dst,
1082	0, 0,	811	0, 0,
1083	0, 0,	812	0, 0,
1084	0, 0,	813	0, 0,
1085	width, height);	814	width, height);
1086	}
1087		815
1088	ret = true;	816	ret = true;
1089	}	817	}
1090		818
1091	free (kernel);	819	free (kernel);
…		…
1099	bool	827	bool
1100	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)
1101	{	829	{
1102	bool ret = false;	830	bool ret = false;
1103		831
1104	if (bg_flags & BG_TINT_BITAND)	832	if (shade == 100 && (bg_flags & BG_TINT_BITAND))
1105	{	833	{
1106	XGCValues gcv;	834	XGCValues gcv;
1107	GC gc;	835	GC gc;
1108		836
1109	/* In this case we can tint image server-side getting significant	837	/* In this case we can tint image server-side getting significant
…		…
1139	c.r = c.r * (200 - shade) / 100;	867	c.r = c.r * (200 - shade) / 100;
1140	c.g = c.g * (200 - shade) / 100;	868	c.g = c.g * (200 - shade) / 100;
1141	c.b = c.b * (200 - shade) / 100;	869	c.b = c.b * (200 - shade) / 100;
1142	}	870	}
1143		871
1144	XRenderPictFormat *solid_format = XRenderFindStandardFormat (dpy, PictStandardARGB32);
1145	XRenderPictFormat *format = XRenderFindVisualFormat (dpy, visual);	872	XRenderPictFormat *format = XRenderFindVisualFormat (dpy, visual);
1146	XRenderPictureAttributes pa;
1147		873
1148	Picture back_pic = XRenderCreatePicture (dpy, pixmap, format, 0, &pa);	874	Picture back_pic = XRenderCreatePicture (dpy, pixmap, format, 0, 0);
1149		875
1150	pa.repeat = True;	876	Picture overlay_pic = create_xrender_mask (dpy, pixmap, True, False);
1151		877
1152	Pixmap overlay_pmap = XCreatePixmap (dpy, pixmap, 1, 1, 32);	878	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		879
1161	XRenderColor mask_c;	880	XRenderColor mask_c;
1162		881
1163	mask_c.alpha = 0xffff;	882	mask_c.alpha = 0xffff;
1164	mask_c.red =	883	mask_c.red =
…		…
1169	mask_c.alpha = 0;	888	mask_c.alpha = 0;
1170	mask_c.red = 0xffff - c.r;	889	mask_c.red = 0xffff - c.r;
1171	mask_c.green = 0xffff - c.g;	890	mask_c.green = 0xffff - c.g;
1172	mask_c.blue = 0xffff - c.b;	891	mask_c.blue = 0xffff - c.b;
1173	XRenderFillRectangle (dpy, PictOpSrc, mask_pic, &mask_c, 0, 0, 1, 1);	892	XRenderFillRectangle (dpy, PictOpSrc, mask_pic, &mask_c, 0, 0, 1, 1);
		893
1174	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);
1175		895
1176	if (shade > 100)	896	if (shade > 100)
1177	{	897	{
1178	mask_c.red = mask_c.green = mask_c.blue = 0xffff * (shade - 100) / 100;
1179	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;
1180	XRenderFillRectangle (dpy, PictOpSrc, overlay_pic, &mask_c, 0, 0, 1, 1);	902	XRenderFillRectangle (dpy, PictOpSrc, overlay_pic, &mask_c, 0, 0, 1, 1);
1181		903
1182	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);
1183	}	905	}
1184		906
…		…
1196	/*	918	/*
1197	* 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
1198	* 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
1199	* our window.	921	* our window.
1200	*/	922	*/
1201	unsigned long	923	bool
1202	rxvt_term::make_transparency_pixmap ()	924	rxvt_term::make_transparency_pixmap ()
1203	{	925	{
1204	unsigned long result = 0;	926	bool ret = false;
1205		927
1206	/* 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
1207	* be always up-to-date, so let's use it :	929	* be always up-to-date, so let's use it :
1208	*/	930	*/
1209	int screen = display->screen;	931	int screen = display->screen;
…		…
1247	#if XRENDER	969	#if XRENDER
1248	if (bg_flags & BG_HAS_RENDER)	970	if (bg_flags & BG_HAS_RENDER)
1249	{	971	{
1250	recoded_root_pmap = XCreatePixmap (dpy, vt, root_pmap_width, root_pmap_height, depth);	972	recoded_root_pmap = XCreatePixmap (dpy, vt, root_pmap_width, root_pmap_height, depth);
1251		973
1252	XRenderPictureAttributes pa;
1253
1254	XRenderPictFormat *src_format = XRenderFindVisualFormat (dpy, DefaultVisual (dpy, screen));	974	XRenderPictFormat *src_format = XRenderFindVisualFormat (dpy, DefaultVisual (dpy, screen));
1255	Picture src = XRenderCreatePicture (dpy, root_pixmap, src_format, 0, &pa);	975	Picture src = XRenderCreatePicture (dpy, root_pixmap, src_format, 0, 0);
1256		976
1257	XRenderPictFormat *dst_format = XRenderFindVisualFormat (dpy, visual);	977	XRenderPictFormat *dst_format = XRenderFindVisualFormat (dpy, visual);
1258	Picture dst = XRenderCreatePicture (dpy, recoded_root_pmap, dst_format, 0, &pa);	978	Picture dst = XRenderCreatePicture (dpy, recoded_root_pmap, dst_format, 0, 0);
1259		979
1260	XRenderComposite (dpy, PictOpSrc, src, None, dst, 0, 0, 0, 0, 0, 0, root_pmap_width, root_pmap_height);	980	XRenderComposite (dpy, PictOpSrc, src, None, dst, 0, 0, 0, 0, 0, 0, root_pmap_width, root_pmap_height);
1261		981
1262	XRenderFreePicture (dpy, src);	982	XRenderFreePicture (dpy, src);
1263	XRenderFreePicture (dpy, dst);	983	XRenderFreePicture (dpy, dst);
…		…
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);
		1020
		1021	if (!(bg_flags & BG_CLIENT_RENDER))
		1022	{
		1023	if (need_blur)
		1024	{
		1025	if (blur_pixmap (bg_pixmap, visual, window_width, window_height, depth))
		1026	need_blur = false;
		1027	}
		1028	if (need_tint)
		1029	{
		1030	if (tint_pixmap (bg_pixmap, visual, window_width, window_height))
		1031	need_tint = false;
		1032	}
		1033	if (need_tint)
		1034	{
		1035	XImage *ximage = XGetImage (dpy, bg_pixmap, 0, 0, bg_pmap_width, bg_pmap_height, AllPlanes, ZPixmap);
		1036	if (ximage)
		1037	{
		1038	/* our own client-side tinting */
		1039	tint_ximage (DefaultVisual (dpy, display->screen), ximage);
		1040
		1041	XPutImage (dpy, bg_pixmap, gc, ximage, 0, 0, 0, 0, ximage->width, ximage->height);
		1042	XDestroyImage (ximage);
		1043	}
		1044	}
		1045	} /* server side rendering completed */
		1046
1298	XFreeGC (dpy, gc);	1047	XFreeGC (dpy, gc);
1299
1300	if (!(bg_flags & BG_CLIENT_RENDER))
1301	{
1302	if (bg_flags & BG_NEEDS_BLUR)
1303	{
1304	if (blur_pixmap (bg_pixmap, visual, window_width, window_height))
1305	result &= ~BG_NEEDS_BLUR;
1306	}
1307	if (bg_flags & BG_NEEDS_TINT)
1308	{
1309	if (tint_pixmap (bg_pixmap, visual, window_width, window_height))
1310	result &= ~BG_NEEDS_TINT;
1311	}
1312	} /* server side rendering completed */
1313	}	1048	}
1314		1049
1315	if (recoded_root_pmap != root_pixmap)	1050	if (recoded_root_pmap != root_pixmap)
1316	XFreePixmap (dpy, recoded_root_pmap);	1051	XFreePixmap (dpy, recoded_root_pmap);
1317		1052
1318	return result;	1053	return ret;
1319	}	1054	}
1320		1055
1321	void	1056	void
1322	rxvt_term::bg_set_root_pixmap ()	1057	rxvt_term::bg_set_root_pixmap ()
1323	{	1058	{
…		…
1327		1062
1328	root_pixmap = new_root_pixmap;	1063	root_pixmap = new_root_pixmap;
1329	}	1064	}
1330	# endif /* ENABLE_TRANSPARENCY */	1065	# endif /* ENABLE_TRANSPARENCY */
1331		1066
1332	#if defined(ENABLE_TRANSPARENCY) && !defined(HAVE_AFTERIMAGE)
1333	static void shade_ximage (Visual visual, XImage ximage, int shade, const rgba &c);
1334	# endif
1335
1336	bool	1067	bool
1337	rxvt_term::bg_render ()	1068	rxvt_term::bg_render ()
1338	{	1069	{
1339	unsigned long tr_flags = 0;	1070	bool transparent = false;
1340		1071
1341	bg_invalidate ();	1072	bg_invalidate ();
1342	# ifdef ENABLE_TRANSPARENCY	1073	# ifdef ENABLE_TRANSPARENCY
1343	if (bg_flags & BG_IS_TRANSPARENT)	1074	if (bg_flags & BG_IS_TRANSPARENT)
1344	{	1075	{
1345	/* we need to re-generate transparency pixmap in that case ! */	1076	/* we need to re-generate transparency pixmap in that case ! */
1346	tr_flags = make_transparency_pixmap ();	1077	transparent = make_transparency_pixmap ();
1347	if (tr_flags == 0)	1078	if (transparent)
1348	return false;
1349	bg_flags \|= BG_IS_VALID;	1079	bg_flags \|= BG_IS_VALID;
1350	}	1080	}
1351	# endif	1081	# endif
1352		1082
1353	# ifdef BG_IMAGE_FROM_FILE	1083	# ifdef BG_IMAGE_FROM_FILE
1354	if ((bg_flags & BG_IS_FROM_FILE)	1084	if (bg_flags & BG_IS_FROM_FILE)
1355	\|\| (tr_flags & BG_EFFECTS_FLAGS))
1356	{	1085	{
1357	if (render_image (tr_flags))	1086	if (render_image (transparent))
1358	bg_flags \|= BG_IS_VALID;	1087	bg_flags \|= BG_IS_VALID;
1359	}
1360	# endif
1361
1362	# if defined(ENABLE_TRANSPARENCY) && !defined(HAVE_AFTERIMAGE)
1363	XImage *result = NULL;
1364
1365	if (tr_flags & BG_NEEDS_TINT)
1366	{
1367	result = XGetImage (dpy, bg_pixmap, 0, 0, bg_pmap_width, bg_pmap_height, AllPlanes, ZPixmap);
1368	}
1369
1370	if (result)
1371	{
1372	/* our own client-side tinting */
1373	//if (tr_flags & BG_NEEDS_TINT)
1374	if (1)
1375	{
1376	rgba c (rgba::MAX_CC,rgba::MAX_CC,rgba::MAX_CC);
1377	if (bg_flags & BG_TINT_SET)
1378	tint.get (c);
1379	shade_ximage (DefaultVisual (dpy, display->screen), result, shade, c);
1380	}
1381
1382	GC gc = XCreateGC (dpy, vt, 0UL, NULL);
1383
1384	if (gc)
1385	{
1386	XPutImage (dpy, bg_pixmap, gc, result, 0, 0, 0, 0, result->width, result->height);
1387
1388	XFreeGC (dpy, gc);
1389	}
1390
1391	XDestroyImage (result);
1392	}	1088	}
1393	# endif	1089	# endif
1394		1090
1395	if (!(bg_flags & BG_IS_VALID))	1091	if (!(bg_flags & BG_IS_VALID))
1396	{	1092	{
…		…
1433	#endif	1129	#endif
1434	}	1130	}
1435		1131
1436	#endif /* HAVE_BG_PIXMAP */	1132	#endif /* HAVE_BG_PIXMAP */
1437		1133
1438	#if defined(ENABLE_TRANSPARENCY) && !defined(HAVE_AFTERIMAGE)	1134	#ifdef ENABLE_TRANSPARENCY
1439	/* based on code from aterm-0.4.2 */	1135	/* based on code from aterm-0.4.2 */
1440		1136
1441	static inline void	1137	static inline void
1442	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)
1443	{	1139	{
…		…
1448	tmp += (mask >> sh) * low;	1144	tmp += (mask >> sh) * low;
1449	lookup[i] = (tmp / 0xffff) << sh;	1145	lookup[i] = (tmp / 0xffff) << sh;
1450	}	1146	}
1451	}	1147	}
1452		1148
1453	static void	1149	void
1454	shade_ximage (Visual visual, XImage ximage, int shade, const rgba &c)	1150	rxvt_term::tint_ximage (Visual visual, XImage ximage)
1455	{	1151	{
		1152	unsigned int size_r, size_g, size_b;
1456	int sh_r, sh_g, sh_b;	1153	int sh_r, sh_g, sh_b;
1457	uint32_t mask_r, mask_g, mask_b;	1154	uint32_t mask_r, mask_g, mask_b;
1458	uint32_t lookup, lookup_r, lookup_g, lookup_b;	1155	uint32_t lookup, lookup_r, lookup_g, lookup_b;
1459	unsigned short low;	1156	unsigned short low;
1460	rgba high;
1461	int host_byte_order = ecb_big_endian () ? MSBFirst : LSBFirst;	1157	int host_byte_order = ecb_big_endian () ? MSBFirst : LSBFirst;
1462		1158
1463	if (visual->c_class != TrueColor \|\| ximage->format != ZPixmap) return;	1159	if (visual->c_class != TrueColor \|\| ximage->format != ZPixmap) return;
1464		1160
1465	/* for convenience */	1161	/* for convenience */
1466	mask_r = visual->red_mask;	1162	mask_r = visual->red_mask;
1467	mask_g = visual->green_mask;	1163	mask_g = visual->green_mask;
1468	mask_b = visual->blue_mask;	1164	mask_b = visual->blue_mask;
1469		1165
1470	/* boring lookup table pre-initialization */	1166	/* boring lookup table pre-initialization */
1471	switch (ximage->depth)	1167	sh_r = ecb_ctz32 (mask_r);
1472	{	1168	sh_g = ecb_ctz32 (mask_g);
1473	case 15:	1169	sh_b = ecb_ctz32 (mask_b);
1474	if ((mask_r != 0x7c00) \|\|	1170
1475	(mask_g != 0x03e0) \|\|	1171	size_r = mask_r >> sh_r;
1476	(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)
1477	return;	1176	return;
1478	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));
1479	lookup_r = lookup;	1179	lookup_r = lookup;
1480	lookup_g = lookup+32;	1180	lookup_g = lookup + size_r;
1481	lookup_b = lookup+32+32;	1181	lookup_b = lookup + size_r + size_g;
1482	sh_r = 10;	1182
1483	sh_g = 5;	1183	rgba c (rgba::MAX_CC, rgba::MAX_CC, rgba::MAX_CC);
1484	sh_b = 0;	1184
1485	break;	1185	if (bg_flags & BG_TINT_SET)
1486	case 16:	1186	tint.get (c);
1487	if ((mask_r != 0xf800) \|\|
1488	(mask_g != 0x07e0) \|\|
1489	(mask_b != 0x001f))
1490	return;
1491	lookup = (uint32_t ) malloc (sizeof (uint32_t)(32+64+32));
1492	lookup_r = lookup;
1493	lookup_g = lookup+32;
1494	lookup_b = lookup+32+64;
1495	sh_r = 11;
1496	sh_g = 5;
1497	sh_b = 0;
1498	break;
1499	case 24:
1500	if ((mask_r != 0xff0000) \|\|
1501	(mask_g != 0x00ff00) \|\|
1502	(mask_b != 0x0000ff))
1503	return;
1504	lookup = (uint32_t ) malloc (sizeof (uint32_t)(256+256+256));
1505	lookup_r = lookup;
1506	lookup_g = lookup+256;
1507	lookup_b = lookup+256+256;
1508	sh_r = 16;
1509	sh_g = 8;
1510	sh_b = 0;
1511	break;
1512	case 32:
1513	if ((mask_r != 0xff0000) \|\|
1514	(mask_g != 0x00ff00) \|\|
1515	(mask_b != 0x0000ff))
1516	return;
1517	lookup = (uint32_t ) malloc (sizeof (uint32_t)(256+256+256));
1518	lookup_r = lookup;
1519	lookup_g = lookup+256;
1520	lookup_b = lookup+256+256;
1521	sh_r = 16;
1522	sh_g = 8;
1523	sh_b = 0;
1524	break;
1525	default:
1526	return; /* we do not support this color depth */
1527	}
1528		1187
1529	/* prepare limits for color transformation (each channel is handled separately) */	1188	/* prepare limits for color transformation (each channel is handled separately) */
1530	if (shade > 100)	1189	if (shade > 100)
1531	{	1190	{
1532	shade = 200 - shade;	1191	c.r = c.r * (200 - shade) / 100;
		1192	c.g = c.g * (200 - shade) / 100;
		1193	c.b = c.b * (200 - shade) / 100;
1533		1194
1534	high.r = c.r * shade / 100;
1535	high.g = c.g * shade / 100;
1536	high.b = c.b * shade / 100;
1537
1538	low = 0xffff * (100 - shade) / 100;	1195	low = 0xffff * (shade - 100) / 100;
1539	}	1196	}
1540	else	1197	else
1541	{	1198	{
1542	high.r = c.r * shade / 100;	1199	c.r = c.r * shade / 100;
1543	high.g = c.g * shade / 100;	1200	c.g = c.g * shade / 100;
1544	high.b = c.b * shade / 100;	1201	c.b = c.b * shade / 100;
1545		1202
1546	low = 0;	1203	low = 0;
1547	}	1204	}
1548		1205
1549	/* fill our lookup tables */	1206	/* fill our lookup tables */
1550	fill_lut (lookup_r, mask_r, sh_r, low, high.r);	1207	fill_lut (lookup_r, mask_r, sh_r, low, c.r);
1551	fill_lut (lookup_g, mask_g, sh_g, low, high.g);	1208	fill_lut (lookup_g, mask_g, sh_g, low, c.g);
1552	fill_lut (lookup_b, mask_b, sh_b, low, high.b);	1209	fill_lut (lookup_b, mask_b, sh_b, low, c.b);
1553		1210
1554	/* apply table to input image (replacing colors by newly calculated ones) */	1211	/* apply table to input image (replacing colors by newly calculated ones) */
1555	if (ximage->bits_per_pixel == 32	1212	if (ximage->bits_per_pixel == 32
1556	&& (ximage->depth == 24 \|\| ximage->depth == 32)
1557	&& ximage->byte_order == host_byte_order)	1213	&& ximage->byte_order == host_byte_order)
1558	{	1214	{
1559	uint32_t p1, pf, p, pl;	1215	char *line = ximage->data;
1560	p1 = (uint32_t *) ximage->data;
1561	pf = (uint32_t ) (ximage->data + ximage->height ximage->bytes_per_line);
1562		1216
1563	while (p1 < pf)	1217	for (int y = 0; y < ximage->height; y++)
1564	{
1565	p = p1;
1566	pl = p1 + ximage->width;
1567	for (; p < pl; p++)
1568	{	1218	{
1569	p = lookup_r[(p & 0xff0000) >> 16] \|	1219	uint32_t p = (uint32_t )line;
1570	lookup_g[(*p & 0x00ff00) >> 8] \|	1220	for (int x = 0; x < ximage->width; x++)
1571	lookup_b[(*p & 0x0000ff)] \|
1572	(*p & 0xff000000);
1573	}	1221	{
1574	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;
1575	}	1228	}
1576	}	1229	}
1577	else	1230	else
1578	{	1231	{
1579	for (int y = 0; y < ximage->height; y++)	1232	for (int y = 0; y < ximage->height; y++)
…		…
1587	}	1240	}
1588	}	1241	}
1589		1242
1590	free (lookup);	1243	free (lookup);
1591	}	1244	}
1592	#endif /* defined(ENABLE_TRANSPARENCY) && !defined(HAVE_AFTERIMAGE) */	1245	#endif /* ENABLE_TRANSPARENCY */

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Comparing rxvt-unicode/src/background.C (file contents): Revision 1.181 by sf-exg, Sat Dec 24 14:06:32 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 1.181 by sf-exg, Sat Dec 24 14:06:32 2011 UTC vs.
Revision 1.212 by sf-exg, Sun May 13 15:50:18 2012 UTC