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

Comparing rxvt-unicode/src/background.C (file contents):
Revision 1.164 by sf-exg, Sun Aug 14 22:01:25 2011 UTC vs.
Revision 1.209 by sf-exg, Fri May 11 12:21:22 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	/*	37	#ifndef RepeatPad
38	* Pixmap geometry string interpretation :	38	#define RepeatPad True
39	* Each geometry string contains zero or one scale/position	39	#endif
40	* adjustment and may optionally be followed by a colon and one or more
41	* colon-delimited pixmap operations.
42	* The following table shows the valid geometry strings and their
43	* effects on the background image :
44	*
45	* WxH+X+Y Set scaling to W% by H%, and position to X% by Y%.
46	* W and H are percentages of the terminal window size.
47	* X and Y are also percentages; e.g., +50+50 centers
48	* the image in the window.
49	*
50	* Pixmap Operations : (should be prepended by a colon)
51	*/
52		40
53	#ifdef HAVE_BG_PIXMAP	41	#ifdef HAVE_BG_PIXMAP
		42	# if XRENDER
		43	static Picture
		44	create_xrender_mask (Display *dpy, Drawable drawable, Bool argb, Bool component_alpha)
		45	{
		46	Pixmap pixmap = XCreatePixmap (dpy, drawable, 1, 1, argb ? 32 : 8);
		47
		48	XRenderPictFormat *format = XRenderFindStandardFormat (dpy, argb ? PictStandardARGB32 : PictStandardA8);
		49	XRenderPictureAttributes pa;
		50	pa.repeat = True;
		51	pa.component_alpha = component_alpha;
		52	Picture mask = XRenderCreatePicture (dpy, pixmap, format, CPRepeat \| CPComponentAlpha, &pa);
		53
		54	XFreePixmap (dpy, pixmap);
		55
		56	return mask;
		57	}
		58	# endif
		59
54	void	60	void
55	rxvt_term::bg_destroy ()	61	rxvt_term::bg_destroy ()
56	{	62	{
57	#ifdef HAVE_AFTERIMAGE
58	if (original_asim)
59	safe_asimage_destroy (original_asim);
60	if (asv)
61	destroy_asvisual (asv, 0);
62	if (asimman)
63	destroy_image_manager (asimman, 0);
64	#endif
65
66	#ifdef HAVE_PIXBUF	63	#ifdef HAVE_PIXBUF
67	if (pixbuf)	64	if (pixbuf)
68	g_object_unref (pixbuf);	65	g_object_unref (pixbuf);
69	#endif	66	#endif
70		67
…		…
123		120
124	return false;	121	return false;
125	}	122	}
126		123
127	# ifdef BG_IMAGE_FROM_FILE	124	# ifdef BG_IMAGE_FROM_FILE
128	static inline bool
129	check_set_scale_value (int geom_flags, int flag, unsigned int &scale, unsigned int new_value)
130	{
131	if (geom_flags & flag)
132	{
133	if (new_value > 1000)
134	new_value = 1000;
135	if (new_value != scale)
136	{
137	scale = new_value;
138	return true;
139	}
140	}
141	return false;
142	}
143
144	static inline bool
145	check_set_align_value (int geom_flags, int flag, int &align, int new_value)
146	{
147	if (geom_flags & flag)
148	{
149	if (new_value < -100)
150	new_value = -100;
151	else if (new_value > 200)
152	new_value = 200;
153	if (new_value != align)
154	{
155	align = new_value;
156	return true;
157	}
158	}
159	return false;
160	}
161
162	static inline int	125	static inline int
163	make_align_position (int align, int window_size, int image_size)	126	make_align_position (int align, int window_size, int image_size)
164	{	127	{
165	int diff = window_size - image_size;
166	int smaller = min (image_size, window_size);
167
168	if (align >= 0 && align <= 100)	128	if (align >= 0 && align <= 100)
169	return diff * align / 100;	129	return lerp (0, window_size - image_size, align);
170	else if (align > 100 && align <= 200)	130	else if (align > 100)
171	return ((align - 100) * smaller / 100) + window_size - smaller;	131	return lerp (window_size - image_size, window_size, align - 100);
172	else if (align >= -100 && align < 0)	132	else
173	return ((align + 100) * smaller / 100) - image_size;	133	return lerp (-image_size, 0, align + 100);
174	return 0;
175	}	134	}
176		135
177	static inline int	136	static inline int
178	make_clip_rectangle (int pos, int size, int target_size, int &dst_pos, int &dst_size)	137	make_clip_rectangle (int pos, int size, int target_size, int &dst_pos, int &dst_size)
179	{	138	{
…		…
185	src_pos = -pos;	144	src_pos = -pos;
186	dst_pos = 0;	145	dst_pos = 0;
187	dst_size += pos;	146	dst_size += pos;
188	}	147	}
189		148
190	if (dst_pos + dst_size > target_size)
191	dst_size = target_size - dst_pos;	149	min_it (dst_size, target_size - dst_pos);
192	return src_pos;	150	return src_pos;
193	}	151	}
194		152
195	bool	153	bool
196	rxvt_term::bg_set_geometry (const char *geom, bool update)	154	rxvt_term::bg_set_geometry (const char *geom, bool update)
197	{	155	{
198	bool changed = false;	156	bool changed = false;
199	int geom_flags = 0;	157	int geom_flags = 0;
200	int x = 0, y = 0;	158	int x = h_align;
		159	int y = v_align;
201	unsigned int w = 0, h = 0;	160	unsigned int w = h_scale;
202	unsigned long new_flags = (bg_flags & (~BG_GEOMETRY_FLAGS));	161	unsigned int h = v_scale;
		162	unsigned long new_flags = 0;
203		163
204	if (geom == NULL)	164	if (geom == NULL)
205	return false;	165	return false;
206		166
207	if (geom[0])	167	if (geom[0])
208	{	168	{
209	char **arr = rxvt_strsplit (':', geom);	169	char **arr = rxvt_strsplit (':', geom);
210		170
211	for (int i = 0; arr[i]; i++)	171	for (int i = 0; arr[i]; i++)
212	{	172	{
213	if (!strcasecmp (arr[i], "style=tiled"))	173	if (!strcasecmp (arr[i], "style=tiled"))
214	{	174	{
215	new_flags = BG_TILE;	175	new_flags = BG_TILE;
216	w = h = noScale;	176	w = h = noScale;
217	x = y = 0;	177	x = y = 0;
218	geom_flags = WidthValue\|HeightValue\|XValue\|YValue;	178	geom_flags = WidthValue\|HeightValue\|XValue\|YValue;
219	}	179	}
220	else if (!strcasecmp (arr[i], "style=aspect-stretched"))	180	else if (!strcasecmp (arr[i], "style=aspect-stretched"))
221	{	181	{
222	new_flags = BG_PROP_SCALE;	182	new_flags = BG_KEEP_ASPECT;
223	w = h = windowScale;	183	w = h = windowScale;
224	x = y = centerAlign;	184	x = y = centerAlign;
225	geom_flags = WidthValue\|HeightValue\|XValue\|YValue;	185	geom_flags = WidthValue\|HeightValue\|XValue\|YValue;
226	}	186	}
227	else if (!strcasecmp (arr[i], "style=stretched"))	187	else if (!strcasecmp (arr[i], "style=stretched"))
…		…
243	w = h = noScale;	203	w = h = noScale;
244	geom_flags = WidthValue\|HeightValue;	204	geom_flags = WidthValue\|HeightValue;
245	}	205	}
246	else if (!strcasecmp (arr[i], "op=tile"))	206	else if (!strcasecmp (arr[i], "op=tile"))
247	new_flags \|= BG_TILE;	207	new_flags \|= BG_TILE;
248	else if (!strcasecmp (arr[i], "op=pscale"))	208	else if (!strcasecmp (arr[i], "op=keep-aspect"))
249	new_flags \|= BG_PROP_SCALE;	209	new_flags \|= BG_KEEP_ASPECT;
250	else if (!strcasecmp (arr[i], "op=root"))	210	else if (!strcasecmp (arr[i], "op=root-align"))
251	new_flags \|= BG_ROOT_ALIGN;	211	new_flags \|= BG_ROOT_ALIGN;
252		212
253	// deprecated	213	// deprecated
254	else if (!strcasecmp (arr[i], "tile"))	214	else if (!strcasecmp (arr[i], "tile"))
255	{	215	{
…		…
257	w = h = noScale;	217	w = h = noScale;
258	geom_flags \|= WidthValue\|HeightValue;	218	geom_flags \|= WidthValue\|HeightValue;
259	}	219	}
260	else if (!strcasecmp (arr[i], "propscale"))	220	else if (!strcasecmp (arr[i], "propscale"))
261	{	221	{
262	new_flags \|= BG_PROP_SCALE;	222	new_flags \|= BG_KEEP_ASPECT;
		223	w = h = windowScale;
		224	geom_flags \|= WidthValue\|HeightValue;
263	}	225	}
264	else if (!strcasecmp (arr[i], "hscale"))	226	else if (!strcasecmp (arr[i], "hscale"))
265	{	227	{
266	new_flags \|= BG_TILE;	228	new_flags \|= BG_TILE;
267	w = windowScale;	229	w = windowScale;
…		…
297	geom_flags \|= XParseGeometry (arr[i], &x, &y, &w, &h);	259	geom_flags \|= XParseGeometry (arr[i], &x, &y, &w, &h);
298	} /* done parsing ops */	260	} /* done parsing ops */
299		261
300	rxvt_free_strsplit (arr);	262	rxvt_free_strsplit (arr);
301	}	263	}
		264
		265	new_flags \|= bg_flags & ~BG_GEOMETRY_FLAGS;
302		266
303	if (!update)	267	if (!update)
304	{	268	{
305	if (!(geom_flags & XValue))	269	if (!(geom_flags & XValue))
306	x = y = defaultAlign;	270	x = y = defaultAlign;
…		…
311	w = h = defaultScale;	275	w = h = defaultScale;
312	else if (!(geom_flags & HeightValue))	276	else if (!(geom_flags & HeightValue))
313	h = w;	277	h = w;
314	else if (!(geom_flags & WidthValue))	278	else if (!(geom_flags & WidthValue))
315	w = h;	279	w = h;
316
317	geom_flags \|= WidthValue\|HeightValue\|XValue\|YValue;
318	}	280	}
319		281
320	if (check_set_scale_value (geom_flags, WidthValue, h_scale, w)) changed = true;	282	min_it (w, 1000);
321	if (check_set_scale_value (geom_flags, HeightValue, v_scale, h)) changed = true;	283	min_it (h, 1000);
322	if (check_set_align_value (geom_flags, XValue, h_align, x)) changed = true;	284	clamp_it (x, -100, 200);
323	if (check_set_align_value (geom_flags, YValue, v_align, y)) changed = true;	285	clamp_it (y, -100, 200);
324		286
325	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)
326	{	292	{
327	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;
328	changed = true;	298	changed = true;
329	}	299	}
330		300
331	return changed;	301	return changed;
332	}	302	}
…		…
338	int target_height = szHint.height;	308	int target_height = szHint.height;
339		309
340	w = h_scale * target_width / 100;	310	w = h_scale * target_width / 100;
341	h = v_scale * target_height / 100;	311	h = v_scale * target_height / 100;
342		312
343	if (bg_flags & BG_PROP_SCALE)	313	if (bg_flags & BG_KEEP_ASPECT)
344	{	314	{
345	float scale = (float)w / image_width;	315	float scale = (float)w / image_width;
346	min_it (scale, (float)h / image_height);	316	min_it (scale, (float)h / image_height);
347	w = image_width * scale + 0.5;	317	w = image_width * scale + 0.5;
348	h = image_height * scale + 0.5;	318	h = image_height * scale + 0.5;
…		…
360	{	330	{
361	x = make_align_position (h_align, target_width, w);	331	x = make_align_position (h_align, target_width, w);
362	y = make_align_position (v_align, target_height, h);	332	y = make_align_position (v_align, target_height, h);
363	}	333	}
364		334
365	bg_flags &= ~BG_IS_SIZE_SENSITIVE;
366	if (!(bg_flags & BG_TILE)	335	if (!(bg_flags & BG_TILE)
367	\|\| h_scale \|\| v_scale	336	\|\| h_scale \|\| v_scale
368	\|\| (!(bg_flags & BG_ROOT_ALIGN) && (h_align \|\| v_align))	337	\|\| (!(bg_flags & BG_ROOT_ALIGN) && (h_align \|\| v_align))
369	\|\| w > target_width \|\| h > target_height)	338	\|\| image_width > target_width \|\| image_height > target_height)
370	bg_flags \|= BG_IS_SIZE_SENSITIVE;	339	bg_flags \|= BG_IS_SIZE_SENSITIVE;
371	}
372
373	# ifdef HAVE_AFTERIMAGE
374	bool
375	rxvt_term::render_image (unsigned long tr_flags)
376	{
377	init_asv ();
378
379	ASImage *background = NULL;
380	ARGB32 background_tint = TINT_LEAVE_SAME;
381
382	# ifdef ENABLE_TRANSPARENCY
383	if (tr_flags)
384	background = pixmap2ximage (asv, bg_pixmap, 0, 0, bg_pmap_width, bg_pmap_height, AllPlanes, 100);
385
386	if (tr_flags & BG_NEEDS_TINT)
387	{
388	ShadingInfo as_shade;
389	as_shade.shading = shade;
390
391	rgba c (rgba::MAX_CC,rgba::MAX_CC,rgba::MAX_CC);
392	if (bg_flags & BG_TINT_SET)
393	tint.get (c);
394	as_shade.tintColor.red = c.r;
395	as_shade.tintColor.green = c.g;
396	as_shade.tintColor.blue = c.b;
397
398	background_tint = shading2tint32 (&as_shade);
399	}
400
401	if ((tr_flags & BG_NEEDS_BLUR) && background != NULL)
402	{
403	ASImage *tmp = blur_asimage_gauss (asv, background, h_blurRadius, v_blurRadius, 0xFFFFFFFF,
404	(original_asim == NULL \|\| tint == TINT_LEAVE_SAME) ? ASA_XImage : ASA_ASImage,
405	100, ASIMAGE_QUALITY_DEFAULT);
406	if (tmp)
407	{
408	destroy_asimage (&background);
409	background = tmp;
410	}
411	}
412	# endif
413
414	ASImage *result = 0;
415
416	int target_width = szHint.width;
417	int target_height = szHint.height;
418	int new_pmap_width = target_width;
419	int new_pmap_height = target_height;
420
421	int x = 0;
422	int y = 0;
423	int w = 0;
424	int h = 0;
425
426	if (original_asim)
427	get_image_geometry (original_asim->width, original_asim->height, w, h, x, y);
428
429	if (!original_asim
430	\|\| (!(bg_flags & BG_ROOT_ALIGN)
431	&& (x >= target_width
432	\|\| y >= target_height
433	\|\| (x + w <= 0)
434	\|\| (y + h <= 0))))
435	{
436	if (background)
437	{
438	new_pmap_width = background->width;
439	new_pmap_height = background->height;
440	result = background;
441
442	if (background_tint != TINT_LEAVE_SAME)
443	{
444	ASImage *tmp = tile_asimage (asv, background, 0, 0,
445	target_width, target_height, background_tint,
446	ASA_XImage, 100, ASIMAGE_QUALITY_DEFAULT);
447	if (tmp)
448	result = tmp;
449	}
450	}
451	else
452	new_pmap_width = new_pmap_height = 0;
453	}
454	else	340	else
455	{	341	bg_flags &= ~BG_IS_SIZE_SENSITIVE;
456	result = original_asim;
457
458	if ((w != original_asim->width)
459	\|\| (h != original_asim->height))
460	{
461	result = scale_asimage (asv, original_asim,
462	w, h,
463	background ? ASA_ASImage : ASA_XImage,
464	100, ASIMAGE_QUALITY_DEFAULT);
465	}
466
467	if (background == NULL)
468	{
469	if (bg_flags & BG_TILE)
470	{
471	/* if tiling - pixmap has to be sized exactly as the image,
472	but there is no need to make it bigger than the window! */
473	new_pmap_width = min (result->width, target_width);
474	new_pmap_height = min (result->height, target_height);
475
476	/* we also need to tile our image in both directions */
477	ASImage *tmp = tile_asimage (asv, result,
478	(int)result->width - x,
479	(int)result->height - y,
480	new_pmap_width,
481	new_pmap_height,
482	TINT_LEAVE_SAME, ASA_XImage,
483	100, ASIMAGE_QUALITY_DEFAULT);
484	if (tmp)
485	{
486	if (result != original_asim)
487	destroy_asimage (&result);
488
489	result = tmp;
490	}
491	}
492	}
493	else
494	{
495	/* if blending background and image - pixmap has to be sized same as target window */
496	ASImageLayer *layers = create_image_layers (2);
497
498	layers[0].im = background;
499	layers[0].clip_width = target_width;
500	layers[0].clip_height = target_height;
501	layers[0].tint = background_tint;
502	layers[1].im = result;
503
504	if (bg_flags & BG_TILE)
505	{
506	/* tile horizontally */
507	while (x > 0) x -= (int)result->width;
508	layers[1].dst_x = x;
509	layers[1].clip_width = result->width+target_width;
510	}
511	else
512	{
513	/* clip horizontally */
514	layers[1].dst_x = x;
515	layers[1].clip_width = result->width;
516	}
517
518	if (bg_flags & BG_TILE)
519	{
520	while (y > 0) y -= (int)result->height;
521	layers[1].dst_y = y;
522	layers[1].clip_height = result->height + target_height;
523	}
524	else
525	{
526	layers[1].dst_y = y;
527	layers[1].clip_height = result->height;
528	}
529
530	if (rs[Rs_blendtype])
531	{
532	layers[1].merge_scanlines = blend_scanlines_name2func (rs[Rs_blendtype]);
533	if (layers[1].merge_scanlines == NULL)
534	layers[1].merge_scanlines = alphablend_scanlines;
535	}
536
537	ASImage *tmp = merge_layers (asv, layers, 2, target_width, target_height,
538	ASA_XImage, 0, ASIMAGE_QUALITY_DEFAULT);
539
540	if (tmp)
541	{
542	if (result != original_asim)
543	destroy_asimage (&result);
544
545	result = tmp;
546	}
547
548	free (layers);
549	}
550	}
551
552	bool ret = false;
553
554	if (result)
555	{
556	XGCValues gcv;
557	GC gc;
558
559	/* create Pixmap */
560	if (bg_pixmap == None
561	\|\| bg_pmap_width != new_pmap_width
562	\|\| bg_pmap_height != new_pmap_height)
563	{
564	if (bg_pixmap)
565	XFreePixmap (dpy, bg_pixmap);
566	bg_pixmap = XCreatePixmap (dpy, vt, new_pmap_width, new_pmap_height, depth);
567	bg_pmap_width = new_pmap_width;
568	bg_pmap_height = new_pmap_height;
569	}
570	/* fill with background color (if result's not completely overlapping it) */
571	gcv.foreground = pix_colors[Color_bg];
572	gc = XCreateGC (dpy, vt, GCForeground, &gcv);
573
574	int src_x = 0, src_y = 0, dst_x = 0, dst_y = 0;
575	int dst_width = result->width, dst_height = result->height;
576	if (background == NULL)
577	{
578	if (!(bg_flags & BG_TILE))
579	{
580	src_x = make_clip_rectangle (x, result->width , new_pmap_width , dst_x, dst_width );
581	src_y = make_clip_rectangle (y, result->height, new_pmap_height, dst_y, dst_height);
582	}
583
584	if (dst_x > 0 \|\| dst_y > 0
585	\|\| dst_x + dst_width < new_pmap_width
586	\|\| dst_y + dst_height < new_pmap_height)
587	XFillRectangle (dpy, bg_pixmap, gc, 0, 0, new_pmap_width, new_pmap_height);
588	}
589
590	/* put result on pixmap */
591	if (dst_x < new_pmap_width && dst_y < new_pmap_height)
592	asimage2drawable (asv, bg_pixmap, result, gc, src_x, src_y, dst_x, dst_y, dst_width, dst_height, True);
593
594	if (result != background && result != original_asim)
595	destroy_asimage (&result);
596
597	XFreeGC (dpy, gc);
598
599	ret = true;
600	}
601
602	if (background)
603	destroy_asimage (&background);
604
605	return ret;
606	}	342	}
607	# endif /* HAVE_AFTERIMAGE */
608		343
609	# ifdef HAVE_PIXBUF	344	# ifdef HAVE_PIXBUF
610	bool	345	bool
611	rxvt_term::pixbuf_to_pixmap (GdkPixbuf *pixbuf, Pixmap pixmap, GC gc,	346	rxvt_term::pixbuf_to_pixmap (GdkPixbuf *pixbuf, Pixmap pixmap, GC gc,
612	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,
613	unsigned int width, unsigned int height)	348	unsigned int width, unsigned int height)
614	{	349	{
615	XImage *ximage;	350	XImage *ximage;
616	char data, line;	351	char data, line;
617	int bytes_per_pixel;	352	int bytes_per_pixel;
618	int width_r, width_g, width_b;	353	int width_r, width_g, width_b, width_a;
619	int sh_r, sh_g, sh_b;	354	int sh_r, sh_g, sh_b, sh_a;
		355	uint32_t alpha_mask;
620	int rowstride;	356	int rowstride;
621	int channels;	357	int channels;
622	unsigned char *row;	358	unsigned char *row;
623		359
624	if (visual->c_class != TrueColor)	360	if (visual->c_class != TrueColor)
625	return false;	361	return false;
		362
		363	#if XRENDER
		364	XRenderPictFormat *format = XRenderFindVisualFormat (dpy, visual);
		365	if (format)
		366	alpha_mask = (uint32_t)format->direct.alphaMask << format->direct.alpha;
		367	else
		368	#endif
		369	alpha_mask = 0;
626		370
627	if (depth == 24 \|\| depth == 32)	371	if (depth == 24 \|\| depth == 32)
628	bytes_per_pixel = 4;	372	bytes_per_pixel = 4;
629	else if (depth == 15 \|\| depth == 16)	373	else if (depth == 15 \|\| depth == 16)
630	bytes_per_pixel = 2;	374	bytes_per_pixel = 2;
…		…
632	return false;	376	return false;
633		377
634	width_r = ecb_popcount32 (visual->red_mask);	378	width_r = ecb_popcount32 (visual->red_mask);
635	width_g = ecb_popcount32 (visual->green_mask);	379	width_g = ecb_popcount32 (visual->green_mask);
636	width_b = ecb_popcount32 (visual->blue_mask);	380	width_b = ecb_popcount32 (visual->blue_mask);
		381	width_a = ecb_popcount32 (alpha_mask);
637		382
638	if (width_r > 8 \|\| width_g > 8 \|\| width_b > 8)	383	if (width_r > 8 \|\| width_g > 8 \|\| width_b > 8 \|\| width_a > 8)
639	return false;	384	return false;
640		385
641	sh_r = ecb_ctz32 (visual->red_mask);	386	sh_r = ecb_ctz32 (visual->red_mask);
642	sh_g = ecb_ctz32 (visual->green_mask);	387	sh_g = ecb_ctz32 (visual->green_mask);
643	sh_b = ecb_ctz32 (visual->blue_mask);	388	sh_b = ecb_ctz32 (visual->blue_mask);
		389	sh_a = ecb_ctz32 (alpha_mask);
644		390
645	if (width > INT_MAX / height / bytes_per_pixel)	391	if (width > INT_MAX / height / bytes_per_pixel)
646	return false;	392	return false;
647		393
648	data = (char )malloc (width height * bytes_per_pixel);	394	data = (char )malloc (width height * bytes_per_pixel);
…		…
662	rowstride = gdk_pixbuf_get_rowstride (pixbuf);	408	rowstride = gdk_pixbuf_get_rowstride (pixbuf);
663	channels = gdk_pixbuf_get_n_channels (pixbuf);	409	channels = gdk_pixbuf_get_n_channels (pixbuf);
664	row = gdk_pixbuf_get_pixels (pixbuf) + src_y * rowstride + src_x * channels;	410	row = gdk_pixbuf_get_pixels (pixbuf) + src_y * rowstride + src_x * channels;
665	line = data;	411	line = data;
666		412
		413	rgba c (0, 0, 0);
		414
		415	if (channels == 4 && alpha_mask == 0)
		416	{
		417	pix_colors[Color_bg].get (c);
		418	c.r >>= 8;
		419	c.g >>= 8;
		420	c.b >>= 8;
		421	}
		422
667	for (int y = 0; y < height; y++)	423	for (int y = 0; y < height; y++)
668	{	424	{
669	for (int x = 0; x < width; x++)	425	for (int x = 0; x < width; x++)
670	{	426	{
671	unsigned char pixel = row + x channels;	427	unsigned char pixel = row + x channels;
672	uint32_t value;	428	uint32_t value;
		429	unsigned char r, g, b, a;
673		430
		431	if (channels == 4)
		432	{
		433	a = pixel[3];
		434	r = (pixel[0] * a + c.r * (0xff - a)) / 0xff;
		435	g = (pixel[1] * a + c.g * (0xff - a)) / 0xff;
		436	b = (pixel[2] * a + c.b * (0xff - a)) / 0xff;
		437	}
		438	else
		439	{
		440	a = 0xff;
		441	r = pixel[0];
		442	g = pixel[1];
		443	b = pixel[2];
		444	}
		445
674	value = ((pixel[0] >> (8 - width_r)) << sh_r)	446	value = ((r >> (8 - width_r)) << sh_r)
675	\| ((pixel[1] >> (8 - width_g)) << sh_g)	447	\| ((g >> (8 - width_g)) << sh_g)
676	\| ((pixel[2] >> (8 - width_b)) << sh_b);	448	\| ((b >> (8 - width_b)) << sh_b)
		449	\| ((a >> (8 - width_a)) << sh_a);
677		450
678	if (bytes_per_pixel == 4)	451	if (bytes_per_pixel == 4)
679	((uint32_t *)line)[x] = value;	452	((uint32_t *)line)[x] = value;
680	else	453	else
681	((uint16_t *)line)[x] = value;	454	((uint16_t *)line)[x] = value;
…		…
689	XDestroyImage (ximage);	462	XDestroyImage (ximage);
690	return true;	463	return true;
691	}	464	}
692		465
693	bool	466	bool
694	rxvt_term::render_image (unsigned long tr_flags)	467	rxvt_term::render_image (bool transparent)
695	{	468	{
696	if (!pixbuf)	469	if (!pixbuf)
697	return false;	470	return false;
698		471
699	if (tr_flags	472	if (transparent
700	&& !(bg_flags & BG_HAS_RENDER))	473	&& !(bg_flags & BG_HAS_RENDER))
701	return false;	474	return false;
702		475
703	GdkPixbuf *result;	476	GdkPixbuf *result;
704		477
…		…
718	get_image_geometry (image_width, image_height, w, h, x, y);	491	get_image_geometry (image_width, image_height, w, h, x, y);
719		492
720	if (!(bg_flags & BG_ROOT_ALIGN)	493	if (!(bg_flags & BG_ROOT_ALIGN)
721	&& (x >= target_width	494	&& (x >= target_width
722	\|\| y >= target_height	495	\|\| y >= target_height
723	\|\| (x + w <= 0)	496	\|\| x + w <= 0
724	\|\| (y + h <= 0)))	497	\|\| y + h <= 0))
725	return false;	498	return false;
726		499
727	result = pixbuf;	500	result = pixbuf;
728		501
729	if ((w != image_width)	502	if (w != image_width
730	\|\| (h != image_height))	503	\|\| h != image_height)
731	{	504	{
732	result = gdk_pixbuf_scale_simple (pixbuf,	505	result = gdk_pixbuf_scale_simple (pixbuf,
733	w, h,	506	w, h,
734	GDK_INTERP_BILINEAR);	507	GDK_INTERP_BILINEAR);
735	}	508	}
…		…
744	Pixmap root_pmap;	517	Pixmap root_pmap;
745		518
746	image_width = gdk_pixbuf_get_width (result);	519	image_width = gdk_pixbuf_get_width (result);
747	image_height = gdk_pixbuf_get_height (result);	520	image_height = gdk_pixbuf_get_height (result);
748		521
749	if (tr_flags)	522	if (transparent)
750	{	523	{
751	root_pmap = bg_pixmap;	524	root_pmap = bg_pixmap;
752	bg_pixmap = None;	525	bg_pixmap = None;
753	}	526	}
754	else	527	else
…		…
812	dst_x, dst_y,	585	dst_x, dst_y,
813	dst_width, dst_height);	586	dst_width, dst_height);
814	}	587	}
815		588
816	#if XRENDER	589	#if XRENDER
817	if (tr_flags)	590	if (transparent)
818	{	591	{
819	XRenderPictureAttributes pa;
820
821	XRenderPictFormat *src_format = XRenderFindVisualFormat (dpy, visual);	592	XRenderPictFormat *format = XRenderFindVisualFormat (dpy, visual);
		593
822	Picture src = XRenderCreatePicture (dpy, root_pmap, src_format, 0, &pa);	594	Picture src = XRenderCreatePicture (dpy, root_pmap, format, 0, 0);
823		595
824	XRenderPictFormat *dst_format = XRenderFindVisualFormat (dpy, visual);
825	Picture dst = XRenderCreatePicture (dpy, bg_pixmap, dst_format, 0, &pa);	596	Picture dst = XRenderCreatePicture (dpy, bg_pixmap, format, 0, 0);
826		597
827	pa.repeat = True;	598	Picture mask = create_xrender_mask (dpy, vt, False, False);
828	Pixmap mask_pmap = XCreatePixmap (dpy, vt, 1, 1, 8);
829	XRenderPictFormat *mask_format = XRenderFindStandardFormat (dpy, PictStandardA8);
830	Picture mask = XRenderCreatePicture (dpy, mask_pmap, mask_format, CPRepeat, &pa);
831	XFreePixmap (dpy, mask_pmap);
832		599
833	XRenderColor mask_c;	600	XRenderColor mask_c;
834		601
835	mask_c.alpha = 0x8000;	602	mask_c.alpha = 0x8000;
836	mask_c.red = 0;	603	mask_c.red =
837	mask_c.green = 0;	604	mask_c.green =
838	mask_c.blue = 0;	605	mask_c.blue = 0;
839	XRenderFillRectangle (dpy, PictOpSrc, mask, &mask_c, 0, 0, 1, 1);	606	XRenderFillRectangle (dpy, PictOpSrc, mask, &mask_c, 0, 0, 1, 1);
		607
840	XRenderComposite (dpy, PictOpOver, src, mask, dst, 0, 0, 0, 0, 0, 0, target_width, target_height);	608	XRenderComposite (dpy, PictOpOver, src, mask, dst, 0, 0, 0, 0, 0, 0, target_width, target_height);
841		609
842	XRenderFreePicture (dpy, src);	610	XRenderFreePicture (dpy, src);
843	XRenderFreePicture (dpy, dst);	611	XRenderFreePicture (dpy, dst);
844	XRenderFreePicture (dpy, mask);	612	XRenderFreePicture (dpy, mask);
…		…
851	}	619	}
852		620
853	if (result != pixbuf)	621	if (result != pixbuf)
854	g_object_unref (result);	622	g_object_unref (result);
855		623
856	if (tr_flags)	624	if (transparent)
857	XFreePixmap (dpy, root_pmap);	625	XFreePixmap (dpy, root_pmap);
858		626
859	return ret;	627	return ret;
860	}	628	}
861	# endif /* HAVE_PIXBUF */	629	# endif /* HAVE_PIXBUF */
…		…
864	rxvt_term::bg_set_file (const char *file)	632	rxvt_term::bg_set_file (const char *file)
865	{	633	{
866	if (!file \|\| !*file)	634	if (!file \|\| !*file)
867	return false;	635	return false;
868		636
		637	bool ret = false;
869	if (const char *p = strchr (file, ';'))	638	const char *p = strchr (file, ';');
		639
		640	if (p)
870	{	641	{
871	size_t len = p - file;	642	size_t len = p - file;
872	char *f = rxvt_temp_buf<char> (len + 1);	643	char *f = rxvt_temp_buf<char> (len + 1);
873	memcpy (f, file, len);	644	memcpy (f, file, len);
874	f[len] = '\0';	645	f[len] = '\0';
875	file = f;	646	file = f;
876	}	647	}
877		648
878	# ifdef HAVE_AFTERIMAGE
879	if (!asimman)
880	asimman = create_generic_imageman (rs[Rs_path]);
881	ASImage *image = get_asimage (asimman, file, 0xFFFFFFFF, 100);
882	if (image)
883	{
884	if (original_asim)
885	safe_asimage_destroy (original_asim);
886	original_asim = image;
887	bg_flags \|= BG_IS_FROM_FILE \| BG_CLIENT_RENDER;
888	return true;
889	}
890	# endif
891
892	# ifdef HAVE_PIXBUF	649	# ifdef HAVE_PIXBUF
893	GdkPixbuf *image = gdk_pixbuf_new_from_file (file, NULL);	650	GdkPixbuf *image = gdk_pixbuf_new_from_file (file, NULL);
894	if (image)	651	if (image)
895	{	652	{
896	if (pixbuf)	653	if (pixbuf)
897	g_object_unref (pixbuf);	654	g_object_unref (pixbuf);
898	pixbuf = image;	655	pixbuf = image;
899	bg_flags \|= BG_IS_FROM_FILE;	656	bg_flags \|= BG_IS_FROM_FILE;
900	return true;	657	ret = true;
901	}	658	}
902	# endif	659	# endif
903		660
		661	if (ret)
		662	{
		663	if (p)
		664	bg_set_geometry (p + 1);
		665	else
		666	bg_set_default_geometry ();
		667	}
		668
904	return false;	669	return ret;
905	}	670	}
906		671
907	# endif /* BG_IMAGE_FROM_FILE */	672	# endif /* BG_IMAGE_FROM_FILE */
908		673
909	# ifdef ENABLE_TRANSPARENCY	674	# ifdef ENABLE_TRANSPARENCY
…		…
945	{	710	{
946	changed = true;	711	changed = true;
947	v_blurRadius = vr;	712	v_blurRadius = vr;
948	}	713	}
949		714
950	if (v_blurRadius == 0 && h_blurRadius == 0)	715	if (h_blurRadius && v_blurRadius)
		716	bg_flags \|= BG_NEEDS_BLUR;
		717	else
951	bg_flags &= ~BG_NEEDS_BLUR;	718	bg_flags &= ~BG_NEEDS_BLUR;
952	else
953	bg_flags \|= BG_NEEDS_BLUR;
954		719
955	return changed;	720	return changed;
956	}	721	}
957		722
958	void	723	void
959	rxvt_term::set_tint_shade_flags ()	724	rxvt_term::set_tint_shade_flags ()
960	{	725	{
961	rgba c (rgba::MAX_CC,rgba::MAX_CC,rgba::MAX_CC);	726	if (shade != 100 \|\| (bg_flags & BG_TINT_SET))
962	bool has_shade = shade != 100;	727	bg_flags \|= BG_NEEDS_TINT;
		728	else
		729	bg_flags &= ~BG_NEEDS_TINT;
		730	}
963		731
		732	bool
		733	rxvt_term::bg_set_tint (rxvt_color &new_tint)
		734	{
		735	if (!(bg_flags & BG_TINT_SET) \|\| tint != new_tint)
		736	{
		737	tint = new_tint;
964	bg_flags &= ~BG_TINT_FLAGS;	738	bg_flags \|= BG_TINT_SET;
965		739
966	if (bg_flags & BG_TINT_SET)	740	rgba c;
967	{
968	tint.get (c);	741	tint.get (c);
969	if (!has_shade
970	&& (c.r <= 0x00ff \|\| c.r >= 0xff00)	742	if ((c.r <= 0x00ff \|\| c.r >= 0xff00)
971	&& (c.g <= 0x00ff \|\| c.g >= 0xff00)	743	&& (c.g <= 0x00ff \|\| c.g >= 0xff00)
972	&& (c.b <= 0x00ff \|\| c.b >= 0xff00))	744	&& (c.b <= 0x00ff \|\| c.b >= 0xff00))
973	bg_flags \|= BG_TINT_BITAND;	745	bg_flags \|= BG_TINT_BITAND;
974	}	746	else
975
976	if (has_shade \|\| (bg_flags & BG_TINT_SET))
977	bg_flags \|= BG_NEEDS_TINT;
978	}
979
980	bool
981	rxvt_term::bg_set_tint (rxvt_color &new_tint)
982	{
983	if (!(bg_flags & BG_TINT_SET) \|\| tint != new_tint)
984	{
985	tint = new_tint;
986	bg_flags \|= BG_TINT_SET;	747	bg_flags &= ~BG_TINT_BITAND;
		748
987	set_tint_shade_flags ();	749	set_tint_shade_flags ();
988	return true;	750	return true;
989	}	751	}
990		752
991	return false;	753	return false;
992	}	754	}
993		755
994	bool	756	bool
995	rxvt_term::bg_set_shade (const char *shade_str)	757	rxvt_term::bg_set_shade (const char *shade_str)
996	{	758	{
997	int new_shade = (shade_str) ? atoi (shade_str) : 100;	759	int new_shade = atoi (shade_str);
998		760
999	clamp_it (new_shade, -100, 200);	761	clamp_it (new_shade, -100, 200);
1000	if (new_shade < 0)	762	if (new_shade < 0)
1001	new_shade = 200 - (100 + new_shade);	763	new_shade = 200 - (100 + new_shade);
1002		764
…		…
1032	params[i+2] = XDoubleToFixed (kernel[i] / sum);	794	params[i+2] = XDoubleToFixed (kernel[i] / sum);
1033	}	795	}
1034	#endif	796	#endif
1035		797
1036	bool	798	bool
1037	rxvt_term::blur_pixmap (Pixmap pixmap, Visual *visual, int width, int height)	799	rxvt_term::blur_pixmap (Pixmap pixmap, Visual *visual, int width, int height, int depth)
1038	{	800	{
1039	bool ret = false;	801	bool ret = false;
1040	#if XRENDER	802	#if XRENDER
		803	if (!(bg_flags & BG_HAS_RENDER_CONV))
		804	return false;
		805
1041	int size = max (h_blurRadius, v_blurRadius) * 2 + 1;	806	int size = max (h_blurRadius, v_blurRadius) * 2 + 1;
1042	double kernel = (double )malloc (size * sizeof (double));	807	double kernel = (double )malloc (size * sizeof (double));
1043	XFixed params = (XFixed )malloc ((size + 2) * sizeof (XFixed));	808	XFixed params = (XFixed )malloc ((size + 2) * sizeof (XFixed));
1044		809
1045	XRenderPictureAttributes pa;	810	XRenderPictureAttributes pa;
1046	XRenderPictFormat *format = XRenderFindVisualFormat (dpy, visual);	811	XRenderPictFormat *format = XRenderFindVisualFormat (dpy, visual);
1047		812
		813	pa.repeat = RepeatPad;
1048	Picture src = XRenderCreatePicture (dpy, pixmap, format, 0, &pa);	814	Picture src = XRenderCreatePicture (dpy, pixmap, format, CPRepeat, &pa);
		815	Pixmap tmp = XCreatePixmap (dpy, pixmap, width, height, depth);
1049	Picture dst = XRenderCreatePicture (dpy, pixmap, format, 0, &pa);	816	Picture dst = XRenderCreatePicture (dpy, tmp, format, CPRepeat, &pa);
		817	XFreePixmap (dpy, tmp);
1050		818
1051	if (kernel && params)	819	if (kernel && params)
1052	{	820	{
1053	if (h_blurRadius)
1054	{
1055	size = h_blurRadius * 2 + 1;	821	size = h_blurRadius * 2 + 1;
1056	get_gaussian_kernel (h_blurRadius, size, kernel, params);	822	get_gaussian_kernel (h_blurRadius, size, kernel, params);
1057		823
1058	XRenderSetPictureFilter (dpy, src, FilterConvolution, params, size+2);	824	XRenderSetPictureFilter (dpy, src, FilterConvolution, params, size+2);
1059	XRenderComposite (dpy,	825	XRenderComposite (dpy,
1060	PictOpSrc,	826	PictOpSrc,
1061	src,	827	src,
1062	None,	828	None,
1063	dst,	829	dst,
1064	0, 0,	830	0, 0,
1065	0, 0,	831	0, 0,
1066	0, 0,	832	0, 0,
1067	width, height);	833	width, height);
1068	}
1069		834
1070	if (v_blurRadius)	835	::swap (src, dst);
1071	{	836
1072	size = v_blurRadius * 2 + 1;	837	size = v_blurRadius * 2 + 1;
1073	get_gaussian_kernel (v_blurRadius, size, kernel, params);	838	get_gaussian_kernel (v_blurRadius, size, kernel, params);
1074	::swap (params[0], params[1]);	839	::swap (params[0], params[1]);
1075		840
1076	XRenderSetPictureFilter (dpy, src, FilterConvolution, params, size+2);	841	XRenderSetPictureFilter (dpy, src, FilterConvolution, params, size+2);
1077	XRenderComposite (dpy,	842	XRenderComposite (dpy,
1078	PictOpSrc,	843	PictOpSrc,
1079	src,	844	src,
1080	None,	845	None,
1081	dst,	846	dst,
1082	0, 0,	847	0, 0,
1083	0, 0,	848	0, 0,
1084	0, 0,	849	0, 0,
1085	width, height);	850	width, height);
1086	}
1087		851
1088	ret = true;	852	ret = true;
1089	}	853	}
1090		854
1091	free (kernel);	855	free (kernel);
…		…
1099	bool	863	bool
1100	rxvt_term::tint_pixmap (Pixmap pixmap, Visual *visual, int width, int height)	864	rxvt_term::tint_pixmap (Pixmap pixmap, Visual *visual, int width, int height)
1101	{	865	{
1102	bool ret = false;	866	bool ret = false;
1103		867
1104	if (bg_flags & BG_TINT_BITAND)	868	if (shade == 100 && (bg_flags & BG_TINT_BITAND))
1105	{	869	{
1106	XGCValues gcv;	870	XGCValues gcv;
1107	GC gc;	871	GC gc;
1108		872
1109	/* In this case we can tint image server-side getting significant	873	/* In this case we can tint image server-side getting significant
…		…
1118	XFillRectangle (dpy, pixmap, gc, 0, 0, width, height);	882	XFillRectangle (dpy, pixmap, gc, 0, 0, width, height);
1119	ret = true;	883	ret = true;
1120	XFreeGC (dpy, gc);	884	XFreeGC (dpy, gc);
1121	}	885	}
1122	}	886	}
1123	else
1124	{
1125	# if XRENDER	887	# if XRENDER
		888	else if (bg_flags & BG_HAS_RENDER)
		889	{
1126	rgba c (rgba::MAX_CC, rgba::MAX_CC, rgba::MAX_CC);	890	rgba c (rgba::MAX_CC, rgba::MAX_CC, rgba::MAX_CC);
1127		891
1128	if (bg_flags & BG_TINT_SET)	892	if (bg_flags & BG_TINT_SET)
1129	tint.get (c);	893	tint.get (c);
1130		894
…		…
1139	c.r = c.r * (200 - shade) / 100;	903	c.r = c.r * (200 - shade) / 100;
1140	c.g = c.g * (200 - shade) / 100;	904	c.g = c.g * (200 - shade) / 100;
1141	c.b = c.b * (200 - shade) / 100;	905	c.b = c.b * (200 - shade) / 100;
1142	}	906	}
1143		907
1144	XRenderPictFormat *solid_format = XRenderFindStandardFormat (dpy, PictStandardARGB32);
1145	XRenderPictFormat *format = XRenderFindVisualFormat (dpy, visual);	908	XRenderPictFormat *format = XRenderFindVisualFormat (dpy, visual);
1146	XRenderPictureAttributes pa;
1147		909
1148	Picture back_pic = XRenderCreatePicture (dpy, pixmap, format, 0, &pa);	910	Picture back_pic = XRenderCreatePicture (dpy, pixmap, format, 0, 0);
1149		911
1150	pa.repeat = True;	912	Picture overlay_pic = create_xrender_mask (dpy, pixmap, True, False);
1151		913
1152	Pixmap overlay_pmap = XCreatePixmap (dpy, pixmap, 1, 1, 32);	914	Picture mask_pic = create_xrender_mask (dpy, pixmap, True, True);
1153	Picture overlay_pic = XRenderCreatePicture (dpy, overlay_pmap, solid_format, CPRepeat, &pa);
1154	XFreePixmap (dpy, overlay_pmap);
1155
1156	pa.component_alpha = True;
1157	Pixmap mask_pmap = XCreatePixmap (dpy, pixmap, 1, 1, 32);
1158	Picture mask_pic = XRenderCreatePicture (dpy, mask_pmap, solid_format, CPRepeat \| CPComponentAlpha, &pa);
1159	XFreePixmap (dpy, mask_pmap);
1160		915
1161	XRenderColor mask_c;	916	XRenderColor mask_c;
1162		917
1163	mask_c.alpha = 0xffff;	918	mask_c.alpha = 0xffff;
1164	mask_c.red =	919	mask_c.red =
…		…
1169	mask_c.alpha = 0;	924	mask_c.alpha = 0;
1170	mask_c.red = 0xffff - c.r;	925	mask_c.red = 0xffff - c.r;
1171	mask_c.green = 0xffff - c.g;	926	mask_c.green = 0xffff - c.g;
1172	mask_c.blue = 0xffff - c.b;	927	mask_c.blue = 0xffff - c.b;
1173	XRenderFillRectangle (dpy, PictOpSrc, mask_pic, &mask_c, 0, 0, 1, 1);	928	XRenderFillRectangle (dpy, PictOpSrc, mask_pic, &mask_c, 0, 0, 1, 1);
		929
1174	XRenderComposite (dpy, PictOpOver, overlay_pic, mask_pic, back_pic, 0, 0, 0, 0, 0, 0, width, height);	930	XRenderComposite (dpy, PictOpOver, overlay_pic, mask_pic, back_pic, 0, 0, 0, 0, 0, 0, width, height);
1175		931
1176	if (shade > 100)	932	if (shade > 100)
1177	{	933	{
1178	mask_c.red = mask_c.green = mask_c.blue = 0xffff * (shade - 100) / 100;
1179	mask_c.alpha = 0;	934	mask_c.alpha = 0;
		935	mask_c.red =
		936	mask_c.green =
		937	mask_c.blue = 0xffff * (shade - 100) / 100;
1180	XRenderFillRectangle (dpy, PictOpSrc, overlay_pic, &mask_c, 0, 0, 1, 1);	938	XRenderFillRectangle (dpy, PictOpSrc, overlay_pic, &mask_c, 0, 0, 1, 1);
1181		939
1182	XRenderComposite (dpy, PictOpOver, overlay_pic, None, back_pic, 0, 0, 0, 0, 0, 0, width, height);	940	XRenderComposite (dpy, PictOpOver, overlay_pic, None, back_pic, 0, 0, 0, 0, 0, 0, width, height);
1183	}	941	}
1184		942
1185	ret = true;	943	ret = true;
1186		944
1187	XRenderFreePicture (dpy, mask_pic);	945	XRenderFreePicture (dpy, mask_pic);
1188	XRenderFreePicture (dpy, overlay_pic);	946	XRenderFreePicture (dpy, overlay_pic);
1189	XRenderFreePicture (dpy, back_pic);	947	XRenderFreePicture (dpy, back_pic);
		948	}
1190	# endif	949	# endif
1191	}
1192		950
1193	return ret;	951	return ret;
1194	}	952	}
1195		953
1196	/*	954	/*
1197	* Builds a pixmap of the same size as the terminal window that contains	955	* Builds a pixmap of the same size as the terminal window that contains
1198	* the tiled portion of the root pixmap that is supposed to be covered by	956	* the tiled portion of the root pixmap that is supposed to be covered by
1199	* our window.	957	* our window.
1200	*/	958	*/
1201	unsigned long	959	bool
1202	rxvt_term::make_transparency_pixmap ()	960	rxvt_term::make_transparency_pixmap ()
1203	{	961	{
1204	unsigned long result = 0;	962	bool ret = false;
1205		963
1206	/* root dimensions may change from call to call - but Display structure should	964	/* root dimensions may change from call to call - but Display structure should
1207	* be always up-to-date, so let's use it :	965	* be always up-to-date, so let's use it :
1208	*/	966	*/
1209	int screen = display->screen;	967	int screen = display->screen;
…		…
1247	#if XRENDER	1005	#if XRENDER
1248	if (bg_flags & BG_HAS_RENDER)	1006	if (bg_flags & BG_HAS_RENDER)
1249	{	1007	{
1250	recoded_root_pmap = XCreatePixmap (dpy, vt, root_pmap_width, root_pmap_height, depth);	1008	recoded_root_pmap = XCreatePixmap (dpy, vt, root_pmap_width, root_pmap_height, depth);
1251		1009
1252	XRenderPictureAttributes pa;
1253
1254	XRenderPictFormat *src_format = XRenderFindVisualFormat (dpy, DefaultVisual (dpy, screen));	1010	XRenderPictFormat *src_format = XRenderFindVisualFormat (dpy, DefaultVisual (dpy, screen));
1255	Picture src = XRenderCreatePicture (dpy, root_pixmap, src_format, 0, &pa);	1011	Picture src = XRenderCreatePicture (dpy, root_pixmap, src_format, 0, 0);
1256		1012
1257	XRenderPictFormat *dst_format = XRenderFindVisualFormat (dpy, visual);	1013	XRenderPictFormat *dst_format = XRenderFindVisualFormat (dpy, visual);
1258	Picture dst = XRenderCreatePicture (dpy, recoded_root_pmap, dst_format, 0, &pa);	1014	Picture dst = XRenderCreatePicture (dpy, recoded_root_pmap, dst_format, 0, 0);
1259		1015
1260	XRenderComposite (dpy, PictOpSrc, src, None, dst, 0, 0, 0, 0, 0, 0, root_pmap_width, root_pmap_height);	1016	XRenderComposite (dpy, PictOpSrc, src, None, dst, 0, 0, 0, 0, 0, 0, root_pmap_width, root_pmap_height);
1261		1017
1262	XRenderFreePicture (dpy, src);	1018	XRenderFreePicture (dpy, src);
1263	XRenderFreePicture (dpy, dst);	1019	XRenderFreePicture (dpy, dst);
…		…
1280	bg_pmap_width = window_width;	1036	bg_pmap_width = window_width;
1281	bg_pmap_height = window_height;	1037	bg_pmap_height = window_height;
1282	}	1038	}
1283		1039
1284	/* straightforward pixmap copy */	1040	/* straightforward pixmap copy */
1285	while (sx < 0) sx += root_width;	1041	while (sx < 0) sx += root_pmap_width;
1286	while (sy < 0) sy += root_height;	1042	while (sy < 0) sy += root_pmap_height;
1287		1043
1288	gcv.tile = recoded_root_pmap;	1044	gcv.tile = recoded_root_pmap;
1289	gcv.fill_style = FillTiled;	1045	gcv.fill_style = FillTiled;
1290	gcv.ts_x_origin = -sx;	1046	gcv.ts_x_origin = -sx;
1291	gcv.ts_y_origin = -sy;	1047	gcv.ts_y_origin = -sy;
1292	gc = XCreateGC (dpy, vt, GCFillStyle \| GCTile \| GCTileStipXOrigin \| GCTileStipYOrigin, &gcv);	1048	gc = XCreateGC (dpy, vt, GCFillStyle \| GCTile \| GCTileStipXOrigin \| GCTileStipYOrigin, &gcv);
1293		1049
1294	if (gc)	1050	if (gc)
1295	{	1051	{
1296	XFillRectangle (dpy, bg_pixmap, gc, 0, 0, window_width, window_height);	1052	XFillRectangle (dpy, bg_pixmap, gc, 0, 0, window_width, window_height);
1297	result \|= BG_IS_VALID \| (bg_flags & BG_EFFECTS_FLAGS);	1053	ret = true;
		1054	unsigned long tr_flags = bg_flags & BG_EFFECTS_FLAGS;
		1055
		1056	if (!(bg_flags & BG_CLIENT_RENDER))
		1057	{
		1058	if (bg_flags & BG_NEEDS_BLUR)
		1059	{
		1060	if (blur_pixmap (bg_pixmap, visual, window_width, window_height, depth))
		1061	tr_flags &= ~BG_NEEDS_BLUR;
		1062	}
		1063	if (bg_flags & BG_NEEDS_TINT)
		1064	{
		1065	if (tint_pixmap (bg_pixmap, visual, window_width, window_height))
		1066	tr_flags &= ~BG_NEEDS_TINT;
		1067	}
		1068	if (tr_flags & BG_NEEDS_TINT)
		1069	{
		1070	XImage *ximage = XGetImage (dpy, bg_pixmap, 0, 0, bg_pmap_width, bg_pmap_height, AllPlanes, ZPixmap);
		1071	if (ximage)
		1072	{
		1073	/* our own client-side tinting */
		1074	tint_ximage (DefaultVisual (dpy, display->screen), ximage);
		1075
		1076	XPutImage (dpy, bg_pixmap, gc, ximage, 0, 0, 0, 0, ximage->width, ximage->height);
		1077	XDestroyImage (ximage);
		1078	}
		1079	}
		1080	} /* server side rendering completed */
		1081
1298	XFreeGC (dpy, gc);	1082	XFreeGC (dpy, gc);
1299
1300	if (!(bg_flags & BG_CLIENT_RENDER))
1301	{
1302	if ((bg_flags & BG_NEEDS_BLUR)
1303	&& (bg_flags & BG_HAS_RENDER_CONV))
1304	{
1305	if (blur_pixmap (bg_pixmap, visual, window_width, window_height))
1306	result &= ~BG_NEEDS_BLUR;
1307	}
1308	if ((bg_flags & BG_NEEDS_TINT)
1309	&& (bg_flags & (BG_TINT_BITAND \| BG_HAS_RENDER)))
1310	{
1311	if (tint_pixmap (bg_pixmap, visual, window_width, window_height))
1312	result &= ~BG_NEEDS_TINT;
1313	}
1314	} /* server side rendering completed */
1315	}	1083	}
1316		1084
1317	if (recoded_root_pmap != root_pixmap)	1085	if (recoded_root_pmap != root_pixmap)
1318	XFreePixmap (dpy, recoded_root_pmap);	1086	XFreePixmap (dpy, recoded_root_pmap);
1319		1087
1320	return result;	1088	return ret;
1321	}	1089	}
1322		1090
1323	void	1091	void
1324	rxvt_term::bg_set_root_pixmap ()	1092	rxvt_term::bg_set_root_pixmap ()
1325	{	1093	{
…		…
1329		1097
1330	root_pixmap = new_root_pixmap;	1098	root_pixmap = new_root_pixmap;
1331	}	1099	}
1332	# endif /* ENABLE_TRANSPARENCY */	1100	# endif /* ENABLE_TRANSPARENCY */
1333		1101
1334	#if defined(ENABLE_TRANSPARENCY) && !defined(HAVE_AFTERIMAGE)
1335	static void shade_ximage (Visual visual, XImage ximage, int shade, const rgba &c);
1336	# endif
1337
1338	bool	1102	bool
1339	rxvt_term::bg_render ()	1103	rxvt_term::bg_render ()
1340	{	1104	{
1341	unsigned long tr_flags = 0;	1105	bool transparent = false;
1342		1106
1343	bg_invalidate ();	1107	bg_invalidate ();
1344	# ifdef ENABLE_TRANSPARENCY	1108	# ifdef ENABLE_TRANSPARENCY
1345	if (bg_flags & BG_IS_TRANSPARENT)	1109	if (bg_flags & BG_IS_TRANSPARENT)
1346	{	1110	{
1347	/* we need to re-generate transparency pixmap in that case ! */	1111	/* we need to re-generate transparency pixmap in that case ! */
1348	tr_flags = make_transparency_pixmap ();	1112	transparent = make_transparency_pixmap ();
1349	if (tr_flags == 0)	1113	if (transparent)
1350	return false;
1351	else if (!(tr_flags & BG_EFFECTS_FLAGS))
1352	bg_flags \|= BG_IS_VALID;	1114	bg_flags \|= BG_IS_VALID;
1353	}	1115	}
1354	# endif	1116	# endif
1355		1117
1356	# ifdef BG_IMAGE_FROM_FILE	1118	# ifdef BG_IMAGE_FROM_FILE
1357	if ((bg_flags & BG_IS_FROM_FILE)	1119	if (bg_flags & BG_IS_FROM_FILE)
1358	\|\| (tr_flags & BG_EFFECTS_FLAGS))
1359	{	1120	{
1360	if (render_image (tr_flags))	1121	if (render_image (transparent))
1361	bg_flags \|= BG_IS_VALID;	1122	bg_flags \|= BG_IS_VALID;
1362	}
1363	# endif
1364
1365	# if defined(ENABLE_TRANSPARENCY) && !defined(HAVE_AFTERIMAGE)
1366	XImage *result = NULL;
1367
1368	if (tr_flags && !(bg_flags & BG_IS_VALID))
1369	{
1370	result = XGetImage (dpy, bg_pixmap, 0, 0, bg_pmap_width, bg_pmap_height, AllPlanes, ZPixmap);
1371	}
1372
1373	if (result)
1374	{
1375	/* our own client-side tinting */
1376	if (tr_flags & BG_NEEDS_TINT)
1377	{
1378	rgba c (rgba::MAX_CC,rgba::MAX_CC,rgba::MAX_CC);
1379	if (bg_flags & BG_TINT_SET)
1380	tint.get (c);
1381	shade_ximage (DefaultVisual (dpy, display->screen), result, shade, c);
1382	}
1383
1384	GC gc = XCreateGC (dpy, vt, 0UL, NULL);
1385
1386	if (gc)
1387	{
1388	XPutImage (dpy, bg_pixmap, gc, result, 0, 0, 0, 0, result->width, result->height);
1389
1390	XFreeGC (dpy, gc);
1391	bg_flags \|= BG_IS_VALID;
1392	}
1393
1394	XDestroyImage (result);
1395	}	1123	}
1396	# endif	1124	# endif
1397		1125
1398	if (!(bg_flags & BG_IS_VALID))	1126	if (!(bg_flags & BG_IS_VALID))
1399	{	1127	{
…		…
1436	#endif	1164	#endif
1437	}	1165	}
1438		1166
1439	#endif /* HAVE_BG_PIXMAP */	1167	#endif /* HAVE_BG_PIXMAP */
1440		1168
1441	#if defined(ENABLE_TRANSPARENCY) && !defined(HAVE_AFTERIMAGE)	1169	#ifdef ENABLE_TRANSPARENCY
1442	/* taken from aterm-0.4.2 */	1170	/* based on code from aterm-0.4.2 */
1443		1171
1444	static void	1172	static inline void
1445	shade_ximage (Visual visual, XImage ximage, int shade, const rgba &c)	1173	fill_lut (uint32_t *lookup, uint32_t mask, int sh, unsigned short low, unsigned short high)
1446	{	1174	{
		1175	for (int i = 0; i <= mask >> sh; i++)
		1176	{
		1177	uint32_t tmp;
		1178	tmp = i * high;
		1179	tmp += (mask >> sh) * low;
		1180	lookup[i] = (tmp / 0xffff) << sh;
		1181	}
		1182	}
		1183
		1184	void
		1185	rxvt_term::tint_ximage (Visual visual, XImage ximage)
		1186	{
		1187	unsigned int size_r, size_g, size_b;
1447	int sh_r, sh_g, sh_b;	1188	int sh_r, sh_g, sh_b;
1448	uint32_t mask_r, mask_g, mask_b;	1189	uint32_t mask_r, mask_g, mask_b;
1449	uint32_t lookup, lookup_r, lookup_g, lookup_b;	1190	uint32_t lookup, lookup_r, lookup_g, lookup_b;
1450	rgba low;	1191	unsigned short low;
1451	rgba high;
1452	int i;
1453	int host_byte_order = ecb_big_endian () ? MSBFirst : LSBFirst;	1192	int host_byte_order = ecb_big_endian () ? MSBFirst : LSBFirst;
1454		1193
1455	if (visual->c_class != TrueColor \|\| ximage->format != ZPixmap) return;	1194	if (visual->c_class != TrueColor \|\| ximage->format != ZPixmap) return;
1456		1195
1457	/* for convenience */	1196	/* for convenience */
1458	mask_r = visual->red_mask;	1197	mask_r = visual->red_mask;
1459	mask_g = visual->green_mask;	1198	mask_g = visual->green_mask;
1460	mask_b = visual->blue_mask;	1199	mask_b = visual->blue_mask;
1461		1200
1462	/* boring lookup table pre-initialization */	1201	/* boring lookup table pre-initialization */
1463	switch (ximage->depth)	1202	sh_r = ecb_ctz32 (mask_r);
1464	{	1203	sh_g = ecb_ctz32 (mask_g);
1465	case 15:	1204	sh_b = ecb_ctz32 (mask_b);
1466	if ((mask_r != 0x7c00) \|\|	1205
1467	(mask_g != 0x03e0) \|\|	1206	size_r = mask_r >> sh_r;
1468	(mask_b != 0x001f))	1207	size_g = mask_g >> sh_g;
		1208	size_b = mask_b >> sh_b;
		1209
		1210	if (size_r++ > 255 \|\| size_g++ > 255 \|\| size_b++ > 255)
1469	return;	1211	return;
1470	lookup = (uint32_t ) malloc (sizeof (uint32_t)(32+32+32));	1212
		1213	lookup = (uint32_t )malloc (sizeof (uint32_t) (size_r + size_g + size_b));
1471	lookup_r = lookup;	1214	lookup_r = lookup;
1472	lookup_g = lookup+32;	1215	lookup_g = lookup + size_r;
1473	lookup_b = lookup+32+32;	1216	lookup_b = lookup + size_r + size_g;
1474	sh_r = 10;	1217
1475	sh_g = 5;	1218	rgba c (rgba::MAX_CC, rgba::MAX_CC, rgba::MAX_CC);
1476	sh_b = 0;	1219
1477	break;	1220	if (bg_flags & BG_TINT_SET)
1478	case 16:	1221	tint.get (c);
1479	if ((mask_r != 0xf800) \|\|
1480	(mask_g != 0x07e0) \|\|
1481	(mask_b != 0x001f))
1482	return;
1483	lookup = (uint32_t ) malloc (sizeof (uint32_t)(32+64+32));
1484	lookup_r = lookup;
1485	lookup_g = lookup+32;
1486	lookup_b = lookup+32+64;
1487	sh_r = 11;
1488	sh_g = 5;
1489	sh_b = 0;
1490	break;
1491	case 24:
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	case 32:
1505	if ((mask_r != 0xff0000) \|\|
1506	(mask_g != 0x00ff00) \|\|
1507	(mask_b != 0x0000ff))
1508	return;
1509	lookup = (uint32_t ) malloc (sizeof (uint32_t)(256+256+256));
1510	lookup_r = lookup;
1511	lookup_g = lookup+256;
1512	lookup_b = lookup+256+256;
1513	sh_r = 16;
1514	sh_g = 8;
1515	sh_b = 0;
1516	break;
1517	default:
1518	return; /* we do not support this color depth */
1519	}
1520		1222
1521	/* prepare limits for color transformation (each channel is handled separately) */	1223	/* prepare limits for color transformation (each channel is handled separately) */
1522	if (shade > 100)	1224	if (shade > 100)
1523	{	1225	{
1524	shade = 200 - shade;
1525
1526	high.r = c.r * shade / 100;
1527	high.g = c.g * shade / 100;
1528	high.b = c.b * shade / 100;
1529
1530	low.r = 65535 * (100 - shade) / 100;	1226	c.r = c.r * (200 - shade) / 100;
1531	low.g = 65535 * (100 - shade) / 100;	1227	c.g = c.g * (200 - shade) / 100;
1532	low.b = 65535 * (100 - shade) / 100;	1228	c.b = c.b * (200 - shade) / 100;
		1229
		1230	low = 0xffff * (shade - 100) / 100;
1533	}	1231	}
1534	else	1232	else
1535	{	1233	{
1536	high.r = c.r * shade / 100;	1234	c.r = c.r * shade / 100;
1537	high.g = c.g * shade / 100;	1235	c.g = c.g * shade / 100;
1538	high.b = c.b * shade / 100;	1236	c.b = c.b * shade / 100;
1539		1237
1540	low.r = low.g = low.b = 0;	1238	low = 0;
1541	}	1239	}
1542		1240
1543	/* fill our lookup tables */	1241	/* fill our lookup tables */
1544	for (i = 0; i <= mask_r>>sh_r; i++)	1242	fill_lut (lookup_r, mask_r, sh_r, low, c.r);
1545	{	1243	fill_lut (lookup_g, mask_g, sh_g, low, c.g);
1546	uint32_t tmp;	1244	fill_lut (lookup_b, mask_b, sh_b, low, c.b);
1547	tmp = i * high.r;
1548	tmp += (mask_r>>sh_r) * low.r;
1549	lookup_r[i] = (tmp/65535)<<sh_r;
1550	}
1551	for (i = 0; i <= mask_g>>sh_g; i++)
1552	{
1553	uint32_t tmp;
1554	tmp = i * high.g;
1555	tmp += (mask_g>>sh_g) * low.g;
1556	lookup_g[i] = (tmp/65535)<<sh_g;
1557	}
1558	for (i = 0; i <= mask_b>>sh_b; i++)
1559	{
1560	uint32_t tmp;
1561	tmp = i * high.b;
1562	tmp += (mask_b>>sh_b) * low.b;
1563	lookup_b[i] = (tmp/65535)<<sh_b;
1564	}
1565		1245
1566	/* apply table to input image (replacing colors by newly calculated ones) */	1246	/* apply table to input image (replacing colors by newly calculated ones) */
1567	if (ximage->bits_per_pixel == 32	1247	if (ximage->bits_per_pixel == 32
1568	&& (ximage->depth == 24 \|\| ximage->depth == 32)
1569	&& ximage->byte_order == host_byte_order)	1248	&& ximage->byte_order == host_byte_order)
1570	{	1249	{
1571	uint32_t p1, pf, p, pl;	1250	char *line = ximage->data;
1572	p1 = (uint32_t *) ximage->data;
1573	pf = (uint32_t ) (ximage->data + ximage->height ximage->bytes_per_line);
1574		1251
1575	while (p1 < pf)	1252	for (int y = 0; y < ximage->height; y++)
1576	{
1577	p = p1;
1578	pl = p1 + ximage->width;
1579	for (; p < pl; p++)
1580	{	1253	{
1581	p = lookup_r[(p & 0xff0000) >> 16] \|	1254	uint32_t p = (uint32_t )line;
1582	lookup_g[(*p & 0x00ff00) >> 8] \|	1255	for (int x = 0; x < ximage->width; x++)
1583	lookup_b[(*p & 0x0000ff)] \|
1584	(*p & 0xff000000);
1585	}	1256	{
1586	p1 = (uint32_t ) ((char ) p1 + ximage->bytes_per_line);	1257	p = lookup_r[(p & mask_r) >> sh_r] \|
		1258	lookup_g[(*p & mask_g) >> sh_g] \|
		1259	lookup_b[(*p & mask_b) >> sh_b];
		1260	p++;
		1261	}
		1262	line += ximage->bytes_per_line;
1587	}	1263	}
1588	}	1264	}
1589	else	1265	else
1590	{	1266	{
1591	for (int y = 0; y < ximage->height; y++)	1267	for (int y = 0; y < ximage->height; y++)
…		…
1599	}	1275	}
1600	}	1276	}
1601		1277
1602	free (lookup);	1278	free (lookup);
1603	}	1279	}
1604	#endif /* defined(ENABLE_TRANSPARENCY) && !defined(HAVE_AFTERIMAGE) */	1280	#endif /* ENABLE_TRANSPARENCY */

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Comparing rxvt-unicode/src/background.C (file contents): Revision 1.164 by sf-exg, Sun Aug 14 22:01:25 2011 UTC vs. Revision 1.209 by sf-exg, Fri May 11 12:21:22 2012 UTC

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Comparing rxvt-unicode/src/background.C (file contents):
Revision 1.164 by sf-exg, Sun Aug 14 22:01:25 2011 UTC vs.
Revision 1.209 by sf-exg, Fri May 11 12:21:22 2012 UTC