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Comparing rxvt-unicode/src/background.C (file contents):
Revision 1.124 by sf-exg, Tue Nov 23 16:37:36 2010 UTC vs.
Revision 1.154 by sf-exg, Mon May 9 16:35:37 2011 UTC

1	/*----------------------------------------------------------------------*	1	/*----------------------------------------------------------------------*
2	* File: background.C - former xpm.C	2	* File: background.C - former xpm.C
3	*----------------------------------------------------------------------*	3	*----------------------------------------------------------------------*
4	*	4	*
5	* All portions of code are copyright by their respective author/s.	5	* All portions of code are copyright by their respective author/s.
6	* Copyright (c) 2005-2008 Marc Lehmann <pcg@goof.com>	6	* Copyright (c) 2005-2008 Marc Lehmann <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 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
…		…
30	# include <X11/extensions/Xrender.h>	30	# include <X11/extensions/Xrender.h>
31	#endif	31	#endif
32		32
33	#ifndef FilterConvolution	33	#ifndef FilterConvolution
34	#define FilterConvolution "convolution"	34	#define FilterConvolution "convolution"
35	#endif
36
37	#define DO_TIMING_TEST 0
38
39	#if DO_TIMING_TEST
40	# include <sys/time.h>
41	#define TIMING_TEST_START(id) \
42	struct timeval timing_test_##id##_stv; \
43	gettimeofday (&timing_test_##id##_stv, NULL);
44
45	#define TIMING_TEST_PRINT_RESULT(id) \
46	do { \
47	struct timeval tv; \
48	gettimeofday (&tv, NULL); \
49	tv.tv_sec -= (timing_test_##id##_stv).tv_sec; \
50	fprintf (stderr, "%s: %s: %d: elapsed %ld usec\n", #id, __FILE__, __LINE__, \
51	tv.tv_sec * 1000000 + tv.tv_usec - (timing_test_##id##_stv).tv_usec); \
52	} while (0)
53
54	#else
55	#define TIMING_TEST_START(id) do {} while (0)
56	#define TIMING_TEST_PRINT_RESULT(id) do {} while (0)
57	#endif	35	#endif
58		36
59	/*	37	/*
60	* Pixmap geometry string interpretation :	38	* Pixmap geometry string interpretation :
61	* Each geometry string contains zero or one scale/position	39	* Each geometry string contains zero or one scale/position
…		…
81	* scale Scale both up and down	59	* scale Scale both up and down
82	* auto Same as 100x100+50+50	60	* auto Same as 100x100+50+50
83	*/	61	*/
84		62
85	#ifdef HAVE_BG_PIXMAP	63	#ifdef HAVE_BG_PIXMAP
86	bgPixmap_t::bgPixmap_t ()
87	{
88	// this is basically redundant as bgPixmap_t is only used in
89	// zero_initialised-derived structs
90	#ifdef HAVE_AFTERIMAGE
91	original_asim = NULL;
92	#endif
93	#ifdef HAVE_PIXBUF
94	pixbuf = NULL;
95	#endif
96	#ifdef BG_IMAGE_FROM_FILE
97	have_image = false;
98	h_scale = v_scale = 0;
99	h_align = v_align = 0;
100	#endif
101	#ifdef ENABLE_TRANSPARENCY
102	shade = 100;
103	#endif
104	flags = 0;
105	pixmap = None;
106	valid_since = invalid_since = 0;
107	target = 0;
108	target_x = target_y = 0;
109	}
110
111	void	64	void
112	bgPixmap_t::destroy ()	65	rxvt_term::bg_destroy ()
113	{	66	{
114	#ifdef HAVE_AFTERIMAGE	67	#ifdef HAVE_AFTERIMAGE
115	if (original_asim)	68	if (original_asim)
116	safe_asimage_destroy (original_asim);	69	safe_asimage_destroy (original_asim);
		70	if (asv)
		71	destroy_asvisual (asv, 0);
		72	if (asimman)
		73	destroy_image_manager (asimman, 0);
117	#endif	74	#endif
118		75
119	#ifdef HAVE_PIXBUF	76	#ifdef HAVE_PIXBUF
120	if (pixbuf)	77	if (pixbuf)
121	g_object_unref (pixbuf);	78	g_object_unref (pixbuf);
122	#endif	79	#endif
123		80
124	if (pixmap && target)	81	if (bg_pixmap)
125	XFreePixmap (target->dpy, pixmap);	82	XFreePixmap (dpy, bg_pixmap);
126	}	83	}
127		84
128	bool	85	bool
129	bgPixmap_t::set_position (int x, int y)	86	rxvt_term::bg_set_position (int x, int y)
130	{	87	{
131		88
132	if (target_x != x	89	if (target_x != x
133	|| target_y != y)	90	|| target_y != y)
134	{	91	{
…		…
138	}	95	}
139	return false;	96	return false;
140	}	97	}
141		98
142	bool	99	bool
143	bgPixmap_t::window_size_sensitive ()	100	rxvt_term::bg_window_size_sensitive ()
144	{	101	{
145	# ifdef ENABLE_TRANSPARENCY	102	# ifdef ENABLE_TRANSPARENCY
146	if (flags & isTransparent)	103	if (bg_flags & BG_IS_TRANSPARENT)
147	return true;	104	return true;
148	# endif	105	# endif
149		106
150	# ifdef BG_IMAGE_FROM_FILE	107	# ifdef BG_IMAGE_FROM_FILE
151	if (have_image)	108	if (bg_flags & BG_IS_FROM_FILE)
152	{	109	{
153	if (flags & sizeSensitive)	110	if (bg_flags & BG_IS_SIZE_SENSITIVE)
154	return true;	111	return true;
155	}	112	}
156	# endif	113	# endif
157		114
158	return false;	115	return false;
159	}	116	}
160		117
161	bool	118	bool
162	bgPixmap_t::window_position_sensitive ()	119	rxvt_term::bg_window_position_sensitive ()
163	{	120	{
164	# ifdef ENABLE_TRANSPARENCY	121	# ifdef ENABLE_TRANSPARENCY
165	if (flags & isTransparent)	122	if (bg_flags & BG_IS_TRANSPARENT)
166	return true;	123	return true;
167	# endif	124	# endif
168		125
169	# ifdef BG_IMAGE_FROM_FILE	126	# ifdef BG_IMAGE_FROM_FILE
170	if (have_image)	127	if (bg_flags & BG_IS_FROM_FILE)
171	{	128	{
172	if (flags & rootAlign)	129	if (bg_flags & BG_ROOT_ALIGN)
173	return true;	130	return true;
174	}	131	}
175	# endif	132	# endif
176		133
177	return false;
178	}
179
180	bool bgPixmap_t::need_client_side_rendering ()
181	{
182	# ifdef HAVE_AFTERIMAGE
183	if (original_asim)
184	return true;
185	# endif
186	return false;	134	return false;
187	}	135	}
188		136
189	# ifdef BG_IMAGE_FROM_FILE	137	# ifdef BG_IMAGE_FROM_FILE
190	static inline bool	138	static inline bool
…		…
253	dst_size = target_size - dst_pos;	201	dst_size = target_size - dst_pos;
254	return src_pos;	202	return src_pos;
255	}	203	}
256		204
257	bool	205	bool
258	bgPixmap_t::set_geometry (const char *geom, bool update)	206	rxvt_term::bg_set_geometry (const char *geom, bool update)
259	{	207	{
260	bool changed = false;	208	bool changed = false;
261	int geom_flags = 0;	209	int geom_flags = 0;
262	int x = 0, y = 0;	210	int x = 0, y = 0;
263	unsigned int w = 0, h = 0;	211	unsigned int w = 0, h = 0;
264	unsigned int n;	212	unsigned int n;
265	unsigned long new_flags = (flags & (~geometryFlags));	213	unsigned long new_flags = (bg_flags & (~BG_GEOMETRY_FLAGS));
266	const char *ops;	214	const char *ops;
267	# define MAXLEN_GEOM 256 /* could be longer than regular geometry string */
268		215
269	if (geom == NULL)	216	if (geom == NULL)
270	return false;	217	return false;
271		218
272	char str[MAXLEN_GEOM];	219	char str[256];
273		220
274	ops = strchr (geom, ':');	221	ops = strchr (geom, ':');
275	if (ops == NULL)	222	if (ops == NULL)
276	n = strlen (geom);	223	n = strlen (geom);
277	else	224	else
278	n = ops - geom;	225	n = ops - geom;
279		226
280	if (n >= MAXLEN_GEOM)	227	if (n >= sizeof (str))
281	return false;	228	return false;
282		229
283	memcpy (str, geom, n);	230	memcpy (str, geom, n);
284	str[n] = '\0';	231	str[n] = '\0';
285	rxvt_strtrim (str);	232	rxvt_strtrim (str);
…		…
307	geom_flags |= WidthValue|HeightValue|XValue|YValue;	254	geom_flags |= WidthValue|HeightValue|XValue|YValue;
308	}	255	}
309		256
310	if (ops)	257	if (ops)
311	{	258	{
312	while (*ops)	259	char **arr = rxvt_strsplit (':', ops + 1);
313	{
314	while (*ops == ':' || isspace(*ops)) ++ops;
315		260
316	# define CHECK_GEOM_OPS(op_str) (strncasecmp (ops, (op_str), sizeof (op_str) - 1) == 0)	261	for (int i = 0; arr[i]; i++)
317	if (CHECK_GEOM_OPS ("tile"))	262	{
		263	if (!strcasecmp (arr[i], "tile"))
318	{	264	{
319	w = h = noScale;	265	w = h = noScale;
320	geom_flags |= WidthValue|HeightValue;	266	geom_flags |= WidthValue|HeightValue;
321	}	267	}
322	else if (CHECK_GEOM_OPS ("propscale"))	268	else if (!strcasecmp (arr[i], "propscale"))
323	{
324	new_flags |= propScale;
325	}	269	{
326	else if (CHECK_GEOM_OPS ("hscale"))	270	new_flags |= BG_PROP_SCALE;
		271	}
		272	else if (!strcasecmp (arr[i], "hscale"))
327	{	273	{
328	if (w == 0) w = windowScale;	274	if (w == 0) w = windowScale;
329		275
330	h = noScale;	276	h = noScale;
331	geom_flags |= WidthValue|HeightValue;	277	geom_flags |= WidthValue|HeightValue;
332	}	278	}
333	else if (CHECK_GEOM_OPS ("vscale"))	279	else if (!strcasecmp (arr[i], "vscale"))
334	{	280	{
335	if (h == 0) h = windowScale;	281	if (h == 0) h = windowScale;
336		282
337	w = noScale;	283	w = noScale;
338	geom_flags |= WidthValue|HeightValue;	284	geom_flags |= WidthValue|HeightValue;
339	}	285	}
340	else if (CHECK_GEOM_OPS ("scale"))	286	else if (!strcasecmp (arr[i], "scale"))
341	{	287	{
342	if (h == 0) h = windowScale;	288	if (h == 0) h = windowScale;
343	if (w == 0) w = windowScale;	289	if (w == 0) w = windowScale;
344		290
345	geom_flags |= WidthValue|HeightValue;	291	geom_flags |= WidthValue|HeightValue;
346	}	292	}
347	else if (CHECK_GEOM_OPS ("auto"))	293	else if (!strcasecmp (arr[i], "auto"))
348	{	294	{
349	w = h = windowScale;	295	w = h = windowScale;
350	x = y = centerAlign;	296	x = y = centerAlign;
351	geom_flags |= WidthValue|HeightValue|XValue|YValue;	297	geom_flags |= WidthValue|HeightValue|XValue|YValue;
352	}	298	}
353	else if (CHECK_GEOM_OPS ("root"))	299	else if (!strcasecmp (arr[i], "root"))
354	{	300	{
355	new_flags |= rootAlign;	301	new_flags |= BG_ROOT_ALIGN;
356	w = h = noScale;	302	w = h = noScale;
357	geom_flags |= WidthValue|HeightValue;	303	geom_flags |= WidthValue|HeightValue;
358	}	304	}
359	# undef CHECK_GEOM_OPS
360
361	while (*ops != ':' && *ops != '\0') ++ops;
362	} /* done parsing ops */	305	} /* done parsing ops */
		306
		307	rxvt_free_strsplit (arr);
363	}	308	}
364		309
365	if (check_set_scale_value (geom_flags, WidthValue, h_scale, w)) changed = true;	310	if (check_set_scale_value (geom_flags, WidthValue, h_scale, w)) changed = true;
366	if (check_set_scale_value (geom_flags, HeightValue, v_scale, h)) changed = true;	311	if (check_set_scale_value (geom_flags, HeightValue, v_scale, h)) changed = true;
367	if (check_set_align_value (geom_flags, XValue, h_align, x)) changed = true;	312	if (check_set_align_value (geom_flags, XValue, h_align, x)) changed = true;
368	if (check_set_align_value (geom_flags, YValue, v_align, y)) changed = true;	313	if (check_set_align_value (geom_flags, YValue, v_align, y)) changed = true;
369		314
370	if (new_flags != flags)	315	if (new_flags != bg_flags)
371	{	316	{
372	flags = new_flags;	317	bg_flags = new_flags;
373	changed = true;	318	changed = true;
374	}	319	}
375		320
376	return changed;	321	return changed;
377	}	322	}
378		323
379	void	324	void
380	bgPixmap_t::get_image_geometry (int image_width, int image_height, int &w, int &h, int &x, int &y)	325	rxvt_term::get_image_geometry (int image_width, int image_height, int &w, int &h, int &x, int &y)
381	{	326	{
382	int target_width = target->szHint.width;	327	int target_width = szHint.width;
383	int target_height = target->szHint.height;	328	int target_height = szHint.height;
384		329
385	if (flags & propScale)	330	if (bg_flags & BG_PROP_SCALE)
386	{	331	{
387	float scale = (float)target_width / image_width;	332	float scale = (float)target_width / image_width;
388	min_it (scale, (float)target_height / image_height);	333	min_it (scale, (float)target_height / image_height);
389	w = image_width * scale + 0.5;	334	w = image_width * scale + 0.5;
390	h = image_height * scale + 0.5;	335	h = image_height * scale + 0.5;
…		…
396	}	341	}
397		342
398	if (!w) w = image_width;	343	if (!w) w = image_width;
399	if (!h) h = image_height;	344	if (!h) h = image_height;
400		345
401	if (flags & rootAlign)	346	if (bg_flags & BG_ROOT_ALIGN)
402	{	347	{
403	x = -target_x;	348	x = -target_x;
404	y = -target_y;	349	y = -target_y;
405	}	350	}
406	else	351	else
407	{	352	{
408	x = make_align_position (h_align, target_width, w);	353	x = make_align_position (h_align, target_width, w);
409	y = make_align_position (v_align, target_height, h);	354	y = make_align_position (v_align, target_height, h);
410	}	355	}
411		356
412	flags &= ~sizeSensitive;	357	bg_flags &= ~BG_IS_SIZE_SENSITIVE;
413	if ((flags & propScale) || h_scale || v_scale	358	if ((bg_flags & BG_PROP_SCALE) || h_scale || v_scale
414	|| (!(flags & rootAlign) && (h_align || v_align))	359	|| (!(bg_flags & BG_ROOT_ALIGN) && (h_align || v_align))
415	|| w > target_width || h > target_height)	360	|| w > target_width || h > target_height)
416	flags |= sizeSensitive;	361	bg_flags |= BG_IS_SIZE_SENSITIVE;
417	}	362	}
418		363
419	# ifdef HAVE_AFTERIMAGE	364	# ifdef HAVE_AFTERIMAGE
420	bool	365	bool
421	bgPixmap_t::render_image (unsigned long background_flags)	366	rxvt_term::render_image (unsigned long tr_flags)
422	{	367	{
423	if (target == NULL)
424	return false;
425
426	target->init_asv ();	368	init_asv ();
427		369
428	ASImage *background = NULL;	370	ASImage *background = NULL;
429	ARGB32 background_tint = TINT_LEAVE_SAME;	371	ARGB32 background_tint = TINT_LEAVE_SAME;
430		372
431	# ifdef ENABLE_TRANSPARENCY	373	# ifdef ENABLE_TRANSPARENCY
432	if (background_flags)	374	if (tr_flags)
433	background = pixmap2ximage (target->asv, pixmap, 0, 0, pmap_width, pmap_height, AllPlanes, 100);	375	background = pixmap2ximage (asv, bg_pixmap, 0, 0, bg_pmap_width, bg_pmap_height, AllPlanes, 100);
434		376
435	if (!(background_flags & transpPmapTinted) && (flags & tintNeeded))	377	if (tr_flags & BG_NEEDS_TINT)
436	{	378	{
437	ShadingInfo as_shade;	379	ShadingInfo as_shade;
438	as_shade.shading = shade;	380	as_shade.shading = shade;
439		381
440	rgba c (rgba::MAX_CC,rgba::MAX_CC,rgba::MAX_CC);	382	rgba c (rgba::MAX_CC,rgba::MAX_CC,rgba::MAX_CC);
441	if (flags & tintSet)	383	if (bg_flags & BG_TINT_SET)
442	tint.get (c);	384	tint.get (c);
443	as_shade.tintColor.red = c.r;	385	as_shade.tintColor.red = c.r;
444	as_shade.tintColor.green = c.g;	386	as_shade.tintColor.green = c.g;
445	as_shade.tintColor.blue = c.b;	387	as_shade.tintColor.blue = c.b;
446		388
447	background_tint = shading2tint32 (&as_shade);	389	background_tint = shading2tint32 (&as_shade);
448	}	390	}
449		391
450	if (!(background_flags & transpPmapBlurred) && (flags & blurNeeded) && background != NULL)	392	if ((tr_flags & BG_NEEDS_BLUR) && background != NULL)
451	{	393	{
452	ASImage *tmp = blur_asimage_gauss (target->asv, background, h_blurRadius, v_blurRadius, 0xFFFFFFFF,	394	ASImage *tmp = blur_asimage_gauss (asv, background, h_blurRadius, v_blurRadius, 0xFFFFFFFF,
453	(original_asim == NULL || tint == TINT_LEAVE_SAME) ? ASA_XImage : ASA_ASImage,	395	(original_asim == NULL || tint == TINT_LEAVE_SAME) ? ASA_XImage : ASA_ASImage,
454	100, ASIMAGE_QUALITY_DEFAULT);	396	100, ASIMAGE_QUALITY_DEFAULT);
455	if (tmp)	397	if (tmp)
456	{	398	{
457	destroy_asimage (&background);	399	destroy_asimage (&background);
…		…
460	}	402	}
461	# endif	403	# endif
462		404
463	ASImage *result = 0;	405	ASImage *result = 0;
464		406
465	int target_width = target->szHint.width;	407	int target_width = szHint.width;
466	int target_height = target->szHint.height;	408	int target_height = szHint.height;
467	int new_pmap_width = target_width;	409	int new_pmap_width = target_width;
468	int new_pmap_height = target_height;	410	int new_pmap_height = target_height;
469		411
470	int x = 0;	412	int x = 0;
471	int y = 0;	413	int y = 0;
…		…
474		416
475	if (original_asim)	417	if (original_asim)
476	get_image_geometry (original_asim->width, original_asim->height, w, h, x, y);	418	get_image_geometry (original_asim->width, original_asim->height, w, h, x, y);
477		419
478	if (!original_asim	420	if (!original_asim
479	|| (!(flags & rootAlign)	421	|| (!(bg_flags & BG_ROOT_ALIGN)
480	&& (x >= target_width	422	&& (x >= target_width
481	|| y >= target_height	423	|| y >= target_height
482	|| (x + w <= 0)	424	|| (x + w <= 0)
483	|| (y + h <= 0))))	425	|| (y + h <= 0))))
484	{	426	{
…		…
488	new_pmap_height = background->height;	430	new_pmap_height = background->height;
489	result = background;	431	result = background;
490		432
491	if (background_tint != TINT_LEAVE_SAME)	433	if (background_tint != TINT_LEAVE_SAME)
492	{	434	{
493	ASImage *tmp = tile_asimage (target->asv, background, 0, 0,	435	ASImage *tmp = tile_asimage (asv, background, 0, 0,
494	target_width, target_height, background_tint,	436	target_width, target_height, background_tint,
495	ASA_XImage, 100, ASIMAGE_QUALITY_DEFAULT);	437	ASA_XImage, 100, ASIMAGE_QUALITY_DEFAULT);
496	if (tmp)	438	if (tmp)
497	result = tmp;	439	result = tmp;
498	}	440	}
…		…
505	result = original_asim;	447	result = original_asim;
506		448
507	if ((w != original_asim->width)	449	if ((w != original_asim->width)
508	|| (h != original_asim->height))	450	|| (h != original_asim->height))
509	{	451	{
510	result = scale_asimage (target->asv, original_asim,	452	result = scale_asimage (asv, original_asim,
511	w, h,	453	w, h,
512	background ? ASA_ASImage : ASA_XImage,	454	background ? ASA_ASImage : ASA_XImage,
513	100, ASIMAGE_QUALITY_DEFAULT);	455	100, ASIMAGE_QUALITY_DEFAULT);
514	}	456	}
515		457
…		…
521	but there is no need to make it bigger than the window! */	463	but there is no need to make it bigger than the window! */
522	new_pmap_width = min (result->width, target_width);	464	new_pmap_width = min (result->width, target_width);
523	new_pmap_height = min (result->height, target_height);	465	new_pmap_height = min (result->height, target_height);
524		466
525	/* we also need to tile our image in both directions */	467	/* we also need to tile our image in both directions */
526	ASImage *tmp = tile_asimage (target->asv, result,	468	ASImage *tmp = tile_asimage (asv, result,
527	(int)result->width - x,	469	(int)result->width - x,
528	(int)result->height - y,	470	(int)result->height - y,
529	new_pmap_width,	471	new_pmap_width,
530	new_pmap_height,	472	new_pmap_height,
531	TINT_LEAVE_SAME, ASA_XImage,	473	TINT_LEAVE_SAME, ASA_XImage,
…		…
574	{	516	{
575	layers[1].dst_y = y;	517	layers[1].dst_y = y;
576	layers[1].clip_height = result->height;	518	layers[1].clip_height = result->height;
577	}	519	}
578		520
579	if (target->rs[Rs_blendtype])	521	if (rs[Rs_blendtype])
580	{	522	{
581	layers[1].merge_scanlines = blend_scanlines_name2func (target->rs[Rs_blendtype]);	523	layers[1].merge_scanlines = blend_scanlines_name2func (rs[Rs_blendtype]);
582	if (layers[1].merge_scanlines == NULL)	524	if (layers[1].merge_scanlines == NULL)
583	layers[1].merge_scanlines = alphablend_scanlines;	525	layers[1].merge_scanlines = alphablend_scanlines;
584	}	526	}
585		527
586	ASImage *tmp = merge_layers (target->asv, layers, 2, target_width, target_height,	528	ASImage *tmp = merge_layers (asv, layers, 2, target_width, target_height,
587	ASA_XImage, 0, ASIMAGE_QUALITY_DEFAULT);	529	ASA_XImage, 0, ASIMAGE_QUALITY_DEFAULT);
588		530
589	if (tmp)	531	if (tmp)
590	{	532	{
591	if (result != original_asim)	533	if (result != original_asim)
…		…
604	{	546	{
605	XGCValues gcv;	547	XGCValues gcv;
606	GC gc;	548	GC gc;
607		549
608	/* create Pixmap */	550	/* create Pixmap */
609	if (pixmap == None	551	if (bg_pixmap == None
610	|| pmap_width != new_pmap_width	552	|| bg_pmap_width != new_pmap_width
611	|| pmap_height != new_pmap_height	553	|| bg_pmap_height != new_pmap_height)
612	|| pmap_depth != target->depth)
613	{	554	{
614	if (pixmap)	555	if (bg_pixmap)
615	XFreePixmap (target->dpy, pixmap);	556	XFreePixmap (dpy, bg_pixmap);
616	pixmap = XCreatePixmap (target->dpy, target->vt, new_pmap_width, new_pmap_height, target->depth);	557	bg_pixmap = XCreatePixmap (dpy, vt, new_pmap_width, new_pmap_height, depth);
617	pmap_width = new_pmap_width;	558	bg_pmap_width = new_pmap_width;
618	pmap_height = new_pmap_height;	559	bg_pmap_height = new_pmap_height;
619	pmap_depth = target->depth;
620	}	560	}
621	/* fill with background color (if result's not completely overlapping it) */	561	/* fill with background color (if result's not completely overlapping it) */
622	gcv.foreground = target->pix_colors[Color_bg];	562	gcv.foreground = pix_colors[Color_bg];
623	gc = XCreateGC (target->dpy, target->vt, GCForeground, &gcv);	563	gc = XCreateGC (dpy, vt, GCForeground, &gcv);
624		564
625	int src_x = 0, src_y = 0, dst_x = 0, dst_y = 0;	565	int src_x = 0, src_y = 0, dst_x = 0, dst_y = 0;
626	int dst_width = result->width, dst_height = result->height;	566	int dst_width = result->width, dst_height = result->height;
627	if (background == NULL)	567	if (background == NULL)
628	{	568	{
…		…
633	}	573	}
634		574
635	if (dst_x > 0 || dst_y > 0	575	if (dst_x > 0 || dst_y > 0
636	|| dst_x + dst_width < new_pmap_width	576	|| dst_x + dst_width < new_pmap_width
637	|| dst_y + dst_height < new_pmap_height)	577	|| dst_y + dst_height < new_pmap_height)
638	XFillRectangle (target->dpy, pixmap, gc, 0, 0, new_pmap_width, new_pmap_height);	578	XFillRectangle (dpy, bg_pixmap, gc, 0, 0, new_pmap_width, new_pmap_height);
639	}	579	}
640		580
641	/* put result on pixmap */	581	/* put result on pixmap */
642	if (dst_x < new_pmap_width && dst_y < new_pmap_height)	582	if (dst_x < new_pmap_width && dst_y < new_pmap_height)
643	asimage2drawable (target->asv, pixmap, result, gc, src_x, src_y, dst_x, dst_y, dst_width, dst_height, True);	583	asimage2drawable (asv, bg_pixmap, result, gc, src_x, src_y, dst_x, dst_y, dst_width, dst_height, True);
644		584
645	if (result != background && result != original_asim)	585	if (result != background && result != original_asim)
646	destroy_asimage (&result);	586	destroy_asimage (&result);
647		587
648	XFreeGC (target->dpy, gc);	588	XFreeGC (dpy, gc);
649		589
650	ret = true;	590	ret = true;
651	}	591	}
652		592
653	if (background)	593	if (background)
…		…
657	}	597	}
658	# endif /* HAVE_AFTERIMAGE */	598	# endif /* HAVE_AFTERIMAGE */
659		599
660	# ifdef HAVE_PIXBUF	600	# ifdef HAVE_PIXBUF
661	bool	601	bool
662	bgPixmap_t::render_image (unsigned long background_flags)	602	rxvt_term::pixbuf_to_pixmap (GdkPixbuf *pixbuf, Pixmap pixmap, GC gc,
		603	int src_x, int src_y, int dst_x, int dst_y,
		604	unsigned int width, unsigned int height)
663	{	605	{
664	if (target == NULL)	606	XImage *ximage;
		607	char *data, *line;
		608	int bytes_per_pixel;
		609	int width_r, width_g, width_b;
		610	int sh_r, sh_g, sh_b;
		611	int rowstride;
		612	int channels;
		613	unsigned char *row;
		614
		615	if (visual->c_class != TrueColor)
665	return false;	616	return false;
666		617
		618	if (depth == 24 || depth == 32)
		619	bytes_per_pixel = 4;
		620	else if (depth == 15 || depth == 16)
		621	bytes_per_pixel = 2;
		622	else
		623	return false;
		624
		625	width_r = rxvt_popcount (visual->red_mask);
		626	width_g = rxvt_popcount (visual->green_mask);
		627	width_b = rxvt_popcount (visual->blue_mask);
		628
		629	if (width_r > 8 || width_g > 8 || width_b > 8)
		630	return false;
		631
		632	sh_r = rxvt_ctz (visual->red_mask);
		633	sh_g = rxvt_ctz (visual->green_mask);
		634	sh_b = rxvt_ctz (visual->blue_mask);
		635
		636	if (width > INT_MAX / height / bytes_per_pixel)
		637	return false;
		638
		639	data = (char *)malloc (width * height * bytes_per_pixel);
		640	if (!data)
		641	return false;
		642
		643	ximage = XCreateImage (dpy, visual, depth, ZPixmap, 0, data,
		644	width, height, bytes_per_pixel * 8, 0);
		645	if (!ximage)
		646	{
		647	free (data);
		648	return false;
		649	}
		650
		651	ximage->byte_order = byteorder::big_endian () ? MSBFirst : LSBFirst;
		652
		653	rowstride = gdk_pixbuf_get_rowstride (pixbuf);
		654	channels = gdk_pixbuf_get_n_channels (pixbuf);
		655	row = gdk_pixbuf_get_pixels (pixbuf) + src_y * rowstride + src_x * channels;
		656	line = data;
		657
		658	for (int y = 0; y < height; y++)
		659	{
		660	for (int x = 0; x < width; x++)
		661	{
		662	unsigned char *pixel = row + x * channels;
		663	uint32_t value;
		664
		665	value = ((pixel[0] >> (8 - width_r)) << sh_r)
		666	| ((pixel[1] >> (8 - width_g)) << sh_g)
		667	| ((pixel[2] >> (8 - width_b)) << sh_b);
		668
		669	if (bytes_per_pixel == 4)
		670	((uint32_t *)line)[x] = value;
		671	else
		672	((uint16_t *)line)[x] = value;
		673	}
		674
		675	row += rowstride;
		676	line += ximage->bytes_per_line;
		677	}
		678
		679	XPutImage (dpy, pixmap, gc, ximage, 0, 0, dst_x, dst_y, width, height);
		680	XDestroyImage (ximage);
		681	return true;
		682	}
		683
		684	bool
		685	rxvt_term::render_image (unsigned long tr_flags)
		686	{
667	if (!pixbuf)	687	if (!pixbuf)
668	return false;	688	return false;
669		689
670	if (background_flags	690	if (tr_flags
671	&& !(flags & HAS_RENDER))	691	&& !(bg_flags & BG_HAS_RENDER))
672	return false;	692	return false;
673		693
674	GdkPixbuf *result;	694	GdkPixbuf *result;
675		695
676	int image_width = gdk_pixbuf_get_width (pixbuf);	696	int image_width = gdk_pixbuf_get_width (pixbuf);
677	int image_height = gdk_pixbuf_get_height (pixbuf);	697	int image_height = gdk_pixbuf_get_height (pixbuf);
678		698
679	int target_width = target->szHint.width;	699	int target_width = szHint.width;
680	int target_height = target->szHint.height;	700	int target_height = szHint.height;
681	int new_pmap_width = target_width;	701	int new_pmap_width = target_width;
682	int new_pmap_height = target_height;	702	int new_pmap_height = target_height;
683		703
684	int x = 0;	704	int x = 0;
685	int y = 0;	705	int y = 0;
686	int w = 0;	706	int w = 0;
687	int h = 0;	707	int h = 0;
688		708
689	get_image_geometry (image_width, image_height, w, h, x, y);	709	get_image_geometry (image_width, image_height, w, h, x, y);
690		710
691	if (!(flags & rootAlign)	711	if (!(bg_flags & BG_ROOT_ALIGN)
692	&& (x >= target_width	712	&& (x >= target_width
693	|| y >= target_height	713	|| y >= target_height
694	|| (x + w <= 0)	714	|| (x + w <= 0)
695	|| (y + h <= 0)))	715	|| (y + h <= 0)))
696	return false;	716	return false;
…		…
703	result = gdk_pixbuf_scale_simple (pixbuf,	723	result = gdk_pixbuf_scale_simple (pixbuf,
704	w, h,	724	w, h,
705	GDK_INTERP_BILINEAR);	725	GDK_INTERP_BILINEAR);
706	}	726	}
707		727
		728	if (!result)
		729	return false;
		730
708	bool ret = false;	731	bool ret = false;
709		732
710	if (result)
711	{
712	XGCValues gcv;	733	XGCValues gcv;
713	GC gc;	734	GC gc;
714	Pixmap root_pmap;	735	Pixmap root_pmap;
715		736
716	image_width = gdk_pixbuf_get_width (result);	737	image_width = gdk_pixbuf_get_width (result);
717	image_height = gdk_pixbuf_get_height (result);	738	image_height = gdk_pixbuf_get_height (result);
718		739
719	if (background_flags)	740	if (tr_flags)
720	{	741	{
721	root_pmap = pixmap;	742	root_pmap = bg_pixmap;
722	pixmap = None;	743	bg_pixmap = None;
723	}	744	}
724	else	745	else
725	{	746	{
726	if (h_scale == 0 || v_scale == 0)
727	{
728	new_pmap_width = min (image_width, target_width);
729	new_pmap_height = min (image_height, target_height);
730	}
731	}
732
733	if (pixmap == None
734	|| pmap_width != new_pmap_width
735	|| pmap_height != new_pmap_height
736	|| pmap_depth != target->depth)
737	{
738	if (pixmap)
739	XFreePixmap (target->dpy, pixmap);
740	pixmap = XCreatePixmap (target->dpy, target->vt, new_pmap_width, new_pmap_height, target->depth);
741	pmap_width = new_pmap_width;
742	pmap_height = new_pmap_height;
743	pmap_depth = target->depth;
744	}
745
746	gcv.foreground = target->pix_colors[Color_bg];
747	gc = XCreateGC (target->dpy, target->vt, GCForeground, &gcv);
748
749	if (h_scale == 0 || v_scale == 0)	747	if (h_scale == 0 || v_scale == 0)
750	{	748	{
		749	new_pmap_width = min (image_width, target_width);
		750	new_pmap_height = min (image_height, target_height);
		751	}
		752	}
		753
		754	if (bg_pixmap == None
		755	|| bg_pmap_width != new_pmap_width
		756	|| bg_pmap_height != new_pmap_height)
		757	{
		758	if (bg_pixmap)
		759	XFreePixmap (dpy, bg_pixmap);
		760	bg_pixmap = XCreatePixmap (dpy, vt, new_pmap_width, new_pmap_height, depth);
		761	bg_pmap_width = new_pmap_width;
		762	bg_pmap_height = new_pmap_height;
		763	}
		764
		765	gcv.foreground = pix_colors[Color_bg];
		766	gc = XCreateGC (dpy, vt, GCForeground, &gcv);
		767
		768	if (gc)
		769	{
		770	if (h_scale == 0 || v_scale == 0)
		771	{
751	Pixmap tile = XCreatePixmap (target->dpy, target->vt, image_width, image_height, target->depth);	772	Pixmap tile = XCreatePixmap (dpy, vt, image_width, image_height, depth);
752	gdk_pixbuf_xlib_render_to_drawable (result, tile, gc,	773	pixbuf_to_pixmap (result, tile, gc,
753	0, 0,	774	0, 0,
754	0, 0,	775	0, 0,
755	image_width, image_height,	776	image_width, image_height);
756	XLIB_RGB_DITHER_NONE,
757	0, 0);
758		777
759	gcv.tile = tile;	778	gcv.tile = tile;
760	gcv.fill_style = FillTiled;	779	gcv.fill_style = FillTiled;
761	gcv.ts_x_origin = x;	780	gcv.ts_x_origin = x;
762	gcv.ts_y_origin = y;	781	gcv.ts_y_origin = y;
763	XChangeGC (target->dpy, gc, GCFillStyle | GCTile | GCTileStipXOrigin | GCTileStipYOrigin, &gcv);	782	XChangeGC (dpy, gc, GCFillStyle | GCTile | GCTileStipXOrigin | GCTileStipYOrigin, &gcv);
764		783
765	XFillRectangle (target->dpy, pixmap, gc, 0, 0, new_pmap_width, new_pmap_height);	784	XFillRectangle (dpy, bg_pixmap, gc, 0, 0, new_pmap_width, new_pmap_height);
766	XFreePixmap (target->dpy, tile);	785	XFreePixmap (dpy, tile);
767	}	786	}
768	else	787	else
769	{	788	{
770	int src_x, src_y, dst_x, dst_y;	789	int src_x, src_y, dst_x, dst_y;
771	int dst_width, dst_height;	790	int dst_width, dst_height;
…		…
774	src_y = make_clip_rectangle (y, image_height, new_pmap_height, dst_y, dst_height);	793	src_y = make_clip_rectangle (y, image_height, new_pmap_height, dst_y, dst_height);
775		794
776	if (dst_x > 0 || dst_y > 0	795	if (dst_x > 0 || dst_y > 0
777	|| dst_x + dst_width < new_pmap_width	796	|| dst_x + dst_width < new_pmap_width
778	|| dst_y + dst_height < new_pmap_height)	797	|| dst_y + dst_height < new_pmap_height)
779	XFillRectangle (target->dpy, pixmap, gc, 0, 0, new_pmap_width, new_pmap_height);	798	XFillRectangle (dpy, bg_pixmap, gc, 0, 0, new_pmap_width, new_pmap_height);
780		799
781	if (dst_x < new_pmap_width && dst_y < new_pmap_height)	800	if (dst_x < new_pmap_width && dst_y < new_pmap_height)
782	gdk_pixbuf_xlib_render_to_drawable (result, pixmap, gc,	801	pixbuf_to_pixmap (result, bg_pixmap, gc,
783	src_x, src_y,	802	src_x, src_y,
784	dst_x, dst_y,	803	dst_x, dst_y,
785	dst_width, dst_height,	804	dst_width, dst_height);
786	XLIB_RGB_DITHER_NONE,
787	0, 0);
788	}	805	}
789		806
790	#if XRENDER	807	#if XRENDER
791	if (background_flags)	808	if (tr_flags)
792	{	809	{
793	Display *dpy = target->dpy;
794	XRenderPictureAttributes pa;	810	XRenderPictureAttributes pa;
795		811
796	XRenderPictFormat *src_format = XRenderFindVisualFormat (dpy, target->visual);	812	XRenderPictFormat *src_format = XRenderFindVisualFormat (dpy, visual);
797	Picture src = XRenderCreatePicture (dpy, root_pmap, src_format, 0, &pa);	813	Picture src = XRenderCreatePicture (dpy, root_pmap, src_format, 0, &pa);
798		814
799	XRenderPictFormat *dst_format = XRenderFindVisualFormat (dpy, target->visual);	815	XRenderPictFormat *dst_format = XRenderFindVisualFormat (dpy, visual);
800	Picture dst = XRenderCreatePicture (dpy, pixmap, dst_format, 0, &pa);	816	Picture dst = XRenderCreatePicture (dpy, bg_pixmap, dst_format, 0, &pa);
801		817
802	pa.repeat = True;	818	pa.repeat = True;
803	Pixmap mask_pmap = XCreatePixmap (dpy, target->vt, 1, 1, 8);	819	Pixmap mask_pmap = XCreatePixmap (dpy, vt, 1, 1, 8);
804	XRenderPictFormat *mask_format = XRenderFindStandardFormat (dpy, PictStandardA8);	820	XRenderPictFormat *mask_format = XRenderFindStandardFormat (dpy, PictStandardA8);
805	Picture mask = XRenderCreatePicture (dpy, mask_pmap, mask_format, CPRepeat, &pa);	821	Picture mask = XRenderCreatePicture (dpy, mask_pmap, mask_format, CPRepeat, &pa);
806	XFreePixmap (dpy, mask_pmap);	822	XFreePixmap (dpy, mask_pmap);
807		823
808	if (src && dst && mask)
809	{
810	XRenderColor mask_c;	824	XRenderColor mask_c;
811		825
812	mask_c.alpha = 0x8000;	826	mask_c.alpha = 0x8000;
813	mask_c.red = 0;	827	mask_c.red = 0;
814	mask_c.green = 0;	828	mask_c.green = 0;
815	mask_c.blue = 0;	829	mask_c.blue = 0;
816	XRenderFillRectangle (dpy, PictOpSrc, mask, &mask_c, 0, 0, 1, 1);	830	XRenderFillRectangle (dpy, PictOpSrc, mask, &mask_c, 0, 0, 1, 1);
817	XRenderComposite (dpy, PictOpOver, src, mask, dst, 0, 0, 0, 0, 0, 0, target_width, target_height);	831	XRenderComposite (dpy, PictOpOver, src, mask, dst, 0, 0, 0, 0, 0, 0, target_width, target_height);
818	}
819		832
820	XRenderFreePicture (dpy, src);	833	XRenderFreePicture (dpy, src);
821	XRenderFreePicture (dpy, dst);	834	XRenderFreePicture (dpy, dst);
822	XRenderFreePicture (dpy, mask);	835	XRenderFreePicture (dpy, mask);
823
824	XFreePixmap (dpy, root_pmap);
825	}	836	}
826	#endif	837	#endif
827		838
828	if (result != pixbuf)
829	g_object_unref (result);
830
831	XFreeGC (target->dpy, gc);	839	XFreeGC (dpy, gc);
832		840
833	ret = true;	841	ret = true;
834	}	842	}
835		843
		844	if (result != pixbuf)
		845	g_object_unref (result);
		846
		847	if (tr_flags)
		848	XFreePixmap (dpy, root_pmap);
		849
836	return ret;	850	return ret;
837	}	851	}
838	# endif /* HAVE_PIXBUF */	852	# endif /* HAVE_PIXBUF */
839		853
840	bool	854	bool
841	bgPixmap_t::set_file (const char *file)	855	rxvt_term::bg_set_file (const char *file)
842	{	856	{
843	if (!file || !*file)	857	if (!file || !*file)
844	return false;	858	return false;
845		859
846	if (const char *p = strchr (file, ';'))	860	if (const char *p = strchr (file, ';'))
…		…
851	f[len] = '\0';	865	f[len] = '\0';
852	file = f;	866	file = f;
853	}	867	}
854		868
855	# ifdef HAVE_AFTERIMAGE	869	# ifdef HAVE_AFTERIMAGE
856	if (!target->asimman)	870	if (!asimman)
857	target->asimman = create_generic_imageman (target->rs[Rs_path]);	871	asimman = create_generic_imageman (rs[Rs_path]);
858	ASImage *image = get_asimage (target->asimman, file, 0xFFFFFFFF, 100);	872	ASImage *image = get_asimage (asimman, file, 0xFFFFFFFF, 100);
859	if (image)	873	if (image)
860	{	874	{
861	if (original_asim)	875	if (original_asim)
862	safe_asimage_destroy (original_asim);	876	safe_asimage_destroy (original_asim);
863	original_asim = image;	877	original_asim = image;
864	have_image = true;	878	bg_flags |= BG_IS_FROM_FILE | BG_CLIENT_RENDER;
865	return true;	879	return true;
866	}	880	}
867	# endif	881	# endif
868		882
869	# ifdef HAVE_PIXBUF	883	# ifdef HAVE_PIXBUF
…		…
871	if (image)	885	if (image)
872	{	886	{
873	if (pixbuf)	887	if (pixbuf)
874	g_object_unref (pixbuf);	888	g_object_unref (pixbuf);
875	pixbuf = image;	889	pixbuf = image;
876	have_image = true;	890	bg_flags |= BG_IS_FROM_FILE;
877	return true;	891	return true;
878	}	892	}
879	# endif	893	# endif
880		894
881	return false;	895	return false;
…		…
883		897
884	# endif /* BG_IMAGE_FROM_FILE */	898	# endif /* BG_IMAGE_FROM_FILE */
885		899
886	# ifdef ENABLE_TRANSPARENCY	900	# ifdef ENABLE_TRANSPARENCY
887	bool	901	bool
888	bgPixmap_t::set_transparent ()	902	rxvt_term::bg_set_transparent ()
889	{	903	{
890	if (!(flags & isTransparent))	904	if (!(bg_flags & BG_IS_TRANSPARENT))
891	{	905	{
892	flags |= isTransparent;	906	bg_flags |= BG_IS_TRANSPARENT;
893	return true;	907	return true;
894	}	908	}
895		909
896	return false;	910	return false;
897	}	911	}
898		912
899	bool	913	bool
900	bgPixmap_t::set_blur_radius (const char *geom)	914	rxvt_term::bg_set_blur (const char *geom)
901	{	915	{
902	bool changed = false;	916	bool changed = false;
903	unsigned int hr, vr;	917	unsigned int hr, vr;
904	int junk;	918	int junk;
905	int geom_flags = XParseGeometry (geom, &junk, &junk, &hr, &vr);	919	int geom_flags = XParseGeometry (geom, &junk, &junk, &hr, &vr);
…		…
923	changed = true;	937	changed = true;
924	v_blurRadius = vr;	938	v_blurRadius = vr;
925	}	939	}
926		940
927	if (v_blurRadius == 0 && h_blurRadius == 0)	941	if (v_blurRadius == 0 && h_blurRadius == 0)
928	flags &= ~blurNeeded;	942	bg_flags &= ~BG_NEEDS_BLUR;
929	else	943	else
930	flags |= blurNeeded;	944	bg_flags |= BG_NEEDS_BLUR;
931		945
932	return changed;	946	return changed;
933	}	947	}
934		948
935	static inline unsigned long	949	void
936	compute_tint_shade_flags (rxvt_color *tint, int shade)	950	rxvt_term::set_tint_shade_flags ()
937	{	951	{
938	unsigned long flags = 0;
939	rgba c (rgba::MAX_CC,rgba::MAX_CC,rgba::MAX_CC);	952	rgba c (rgba::MAX_CC,rgba::MAX_CC,rgba::MAX_CC);
940	bool has_shade = shade != 100;	953	bool has_shade = shade != 100;
941		954
942	if (tint)	955	bg_flags &= ~BG_TINT_FLAGS;
		956
		957	if (bg_flags & BG_TINT_SET)
943	{	958	{
944	tint->get (c);	959	tint.get (c);
945	# define IS_COMPONENT_WHOLESOME(cmp) ((cmp) <= 0x00ff || (cmp) >= 0xff00)
946	if (!has_shade	960	if (!has_shade
947	&& IS_COMPONENT_WHOLESOME (c.r)	961	&& (c.r <= 0x00ff || c.r >= 0xff00)
948	&& IS_COMPONENT_WHOLESOME (c.g)	962	&& (c.g <= 0x00ff || c.g >= 0xff00)
949	&& IS_COMPONENT_WHOLESOME (c.b))	963	&& (c.b <= 0x00ff || c.b >= 0xff00))
950	flags |= bgPixmap_t::tintWholesome;	964	bg_flags |= BG_TINT_BITAND;
951	# undef IS_COMPONENT_WHOLESOME
952	}	965	}
953		966
954	if (has_shade || tint)	967	if (has_shade || (bg_flags & BG_TINT_SET))
955	flags |= bgPixmap_t::tintNeeded;	968	bg_flags |= BG_NEEDS_TINT;
956
957	return flags;
958	}	969	}
959		970
960	bool	971	bool
961	bgPixmap_t::set_tint (rxvt_color &new_tint)	972	rxvt_term::bg_set_tint (rxvt_color &new_tint)
962	{	973	{
963	if (!(flags & tintSet) || tint != new_tint)	974	if (!(bg_flags & BG_TINT_SET) || tint != new_tint)
964	{	975	{
965	unsigned long new_flags = compute_tint_shade_flags (&new_tint, shade);
966	tint = new_tint;	976	tint = new_tint;
967	flags = (flags & ~tintFlags) | new_flags | tintSet;	977	bg_flags |= BG_TINT_SET;
		978	set_tint_shade_flags ();
968	return true;	979	return true;
969	}	980	}
970		981
971	return false;	982	return false;
972	}	983	}
973		984
974	bool	985	bool
975	bgPixmap_t::unset_tint ()
976	{
977	unsigned long new_flags = compute_tint_shade_flags (NULL, shade);
978
979	if (new_flags != (flags & tintFlags))
980	{
981	flags = (flags & ~tintFlags) | new_flags;
982	return true;
983	}
984
985	return false;
986	}
987
988	bool
989	bgPixmap_t::set_shade (const char *shade_str)	986	rxvt_term::bg_set_shade (const char *shade_str)
990	{	987	{
991	int new_shade = (shade_str) ? atoi (shade_str) : 100;	988	int new_shade = (shade_str) ? atoi (shade_str) : 100;
992		989
993	clamp_it (new_shade, -100, 200);	990	clamp_it (new_shade, -100, 200);
994	if (new_shade < 0)	991	if (new_shade < 0)
995	new_shade = 200 - (100 + new_shade);	992	new_shade = 200 - (100 + new_shade);
996		993
997	if (new_shade != shade)	994	if (new_shade != shade)
998	{	995	{
999	unsigned long new_flags = compute_tint_shade_flags ((flags & tintSet) ? &tint : NULL, new_shade);
1000	shade = new_shade;	996	shade = new_shade;
1001	flags = (flags & (~tintFlags | tintSet)) | new_flags;	997	set_tint_shade_flags ();
1002	return true;	998	return true;
1003	}	999	}
1004		1000
1005	return false;	1001	return false;
1006	}	1002	}
…		…
1027	params[i+2] = XDoubleToFixed (kernel[i] / sum);	1023	params[i+2] = XDoubleToFixed (kernel[i] / sum);
1028	}	1024	}
1029	#endif	1025	#endif
1030		1026
1031	bool	1027	bool
1032	bgPixmap_t::blur_pixmap (Pixmap pixmap, Visual *visual, int width, int height)	1028	rxvt_term::blur_pixmap (Pixmap pixmap, Visual *visual, int width, int height)
1033	{	1029	{
1034	bool ret = false;	1030	bool ret = false;
1035	#if XRENDER	1031	#if XRENDER
1036	int size = max (h_blurRadius, v_blurRadius) * 2 + 1;	1032	int size = max (h_blurRadius, v_blurRadius) * 2 + 1;
1037	double *kernel = (double *)malloc (size * sizeof (double));	1033	double *kernel = (double *)malloc (size * sizeof (double));
1038	XFixed *params = (XFixed *)malloc ((size + 2) * sizeof (XFixed));	1034	XFixed *params = (XFixed *)malloc ((size + 2) * sizeof (XFixed));
1039		1035
1040	Display *dpy = target->dpy;
1041	XRenderPictureAttributes pa;	1036	XRenderPictureAttributes pa;
1042	XRenderPictFormat *format = XRenderFindVisualFormat (dpy, visual);	1037	XRenderPictFormat *format = XRenderFindVisualFormat (dpy, visual);
1043		1038
1044	Picture src = XRenderCreatePicture (dpy, pixmap, format, 0, &pa);	1039	Picture src = XRenderCreatePicture (dpy, pixmap, format, 0, &pa);
1045	Picture dst = XRenderCreatePicture (dpy, pixmap, format, 0, &pa);	1040	Picture dst = XRenderCreatePicture (dpy, pixmap, format, 0, &pa);
1046		1041
1047	if (kernel && params && src && dst)	1042	if (kernel && params)
1048	{	1043	{
1049	if (h_blurRadius)	1044	if (h_blurRadius)
1050	{	1045	{
1051	size = h_blurRadius * 2 + 1;	1046	size = h_blurRadius * 2 + 1;
1052	get_gaussian_kernel (h_blurRadius, size, kernel, params);	1047	get_gaussian_kernel (h_blurRadius, size, kernel, params);
…		…
1065		1060
1066	if (v_blurRadius)	1061	if (v_blurRadius)
1067	{	1062	{
1068	size = v_blurRadius * 2 + 1;	1063	size = v_blurRadius * 2 + 1;
1069	get_gaussian_kernel (v_blurRadius, size, kernel, params);	1064	get_gaussian_kernel (v_blurRadius, size, kernel, params);
1070	swap (params[0], params[1]);	1065	::swap (params[0], params[1]);
1071		1066
1072	XRenderSetPictureFilter (dpy, src, FilterConvolution, params, size+2);	1067	XRenderSetPictureFilter (dpy, src, FilterConvolution, params, size+2);
1073	XRenderComposite (dpy,	1068	XRenderComposite (dpy,
1074	PictOpSrc,	1069	PictOpSrc,
1075	src,	1070	src,
…		…
1091	#endif	1086	#endif
1092	return ret;	1087	return ret;
1093	}	1088	}
1094		1089
1095	bool	1090	bool
1096	bgPixmap_t::tint_pixmap (Pixmap pixmap, Visual *visual, int width, int height)	1091	rxvt_term::tint_pixmap (Pixmap pixmap, Visual *visual, int width, int height)
1097	{	1092	{
1098	Display *dpy = target->dpy;
1099	bool ret = false;	1093	bool ret = false;
1100		1094
1101	if (flags & tintWholesome)	1095	if (bg_flags & BG_TINT_BITAND)
1102	{	1096	{
1103	XGCValues gcv;	1097	XGCValues gcv;
1104	GC gc;	1098	GC gc;
1105		1099
1106	/* In this case we can tint image server-side getting significant	1100	/* In this case we can tint image server-side getting significant
…		…
1118	}	1112	}
1119	}	1113	}
1120	else	1114	else
1121	{	1115	{
1122	# if XRENDER	1116	# if XRENDER
1123	rgba c (rgba::MAX_CC,rgba::MAX_CC,rgba::MAX_CC);	1117	rgba c (rgba::MAX_CC, rgba::MAX_CC, rgba::MAX_CC);
1124		1118
1125	if (flags & tintSet)	1119	if (bg_flags & BG_TINT_SET)
1126	tint.get (c);	1120	tint.get (c);
1127		1121
1128	if (shade <= 100)	1122	if (shade <= 100)
1129	{	1123	{
1130	c.r = (c.r * shade) / 100;	1124	c.r = c.r * shade / 100;
1131	c.g = (c.g * shade) / 100;	1125	c.g = c.g * shade / 100;
1132	c.b = (c.b * shade) / 100;	1126	c.b = c.b * shade / 100;
1133	}	1127	}
1134	else	1128	else
1135	{	1129	{
1136	c.r = ((0xffff - c.r) * (200 - shade)) / 100;	1130	c.r = c.r * (200 - shade) / 100;
1137	c.g = ((0xffff - c.g) * (200 - shade)) / 100;	1131	c.g = c.g * (200 - shade) / 100;
1138	c.b = ((0xffff - c.b) * (200 - shade)) / 100;	1132	c.b = c.b * (200 - shade) / 100;
1139	}	1133	}
1140		1134
1141	XRenderPictFormat *solid_format = XRenderFindStandardFormat (dpy, PictStandardARGB32);	1135	XRenderPictFormat *solid_format = XRenderFindStandardFormat (dpy, PictStandardARGB32);
1142	XRenderPictFormat *format = XRenderFindVisualFormat (dpy, visual);	1136	XRenderPictFormat *format = XRenderFindVisualFormat (dpy, visual);
1143	XRenderPictureAttributes pa;	1137	XRenderPictureAttributes pa;
…		…
1150	Picture overlay_pic = XRenderCreatePicture (dpy, overlay_pmap, solid_format, CPRepeat, &pa);	1144	Picture overlay_pic = XRenderCreatePicture (dpy, overlay_pmap, solid_format, CPRepeat, &pa);
1151	XFreePixmap (dpy, overlay_pmap);	1145	XFreePixmap (dpy, overlay_pmap);
1152		1146
1153	pa.component_alpha = True;	1147	pa.component_alpha = True;
1154	Pixmap mask_pmap = XCreatePixmap (dpy, pixmap, 1, 1, 32);	1148	Pixmap mask_pmap = XCreatePixmap (dpy, pixmap, 1, 1, 32);
1155	Picture mask_pic = XRenderCreatePicture (dpy, mask_pmap, solid_format, CPRepeat|CPComponentAlpha, &pa);	1149	Picture mask_pic = XRenderCreatePicture (dpy, mask_pmap, solid_format, CPRepeat | CPComponentAlpha, &pa);
1156	XFreePixmap (dpy, mask_pmap);	1150	XFreePixmap (dpy, mask_pmap);
1157		1151
1158	if (mask_pic && overlay_pic && back_pic)
1159	{
1160	XRenderColor mask_c;	1152	XRenderColor mask_c;
1161		1153
1162	mask_c.red = mask_c.green = mask_c.blue = shade > 100 ? 0xffff : 0;
1163	mask_c.alpha = 0xffff;	1154	mask_c.alpha = 0xffff;
		1155	mask_c.red =
		1156	mask_c.green =
		1157	mask_c.blue = 0;
		1158	XRenderFillRectangle (dpy, PictOpSrc, overlay_pic, &mask_c, 0, 0, 1, 1);
		1159
		1160	mask_c.alpha = 0;
		1161	mask_c.red = 0xffff - c.r;
		1162	mask_c.green = 0xffff - c.g;
		1163	mask_c.blue = 0xffff - c.b;
		1164	XRenderFillRectangle (dpy, PictOpSrc, mask_pic, &mask_c, 0, 0, 1, 1);
		1165	XRenderComposite (dpy, PictOpOver, overlay_pic, mask_pic, back_pic, 0, 0, 0, 0, 0, 0, width, height);
		1166
		1167	if (shade > 100)
		1168	{
		1169	mask_c.red = mask_c.green = mask_c.blue = 0xffff * (shade - 100) / 100;
		1170	mask_c.alpha = 0;
1164	XRenderFillRectangle (dpy, PictOpSrc, overlay_pic, &mask_c, 0, 0, 1, 1);	1171	XRenderFillRectangle (dpy, PictOpSrc, overlay_pic, &mask_c, 0, 0, 1, 1);
1165		1172
1166	mask_c.alpha = 0;
1167	mask_c.red = 0xffff - c.r;
1168	mask_c.green = 0xffff - c.g;
1169	mask_c.blue = 0xffff - c.b;
1170	XRenderFillRectangle (dpy, PictOpSrc, mask_pic, &mask_c, 0, 0, 1, 1);
1171	XRenderComposite (dpy, PictOpOver, overlay_pic, mask_pic, back_pic, 0, 0, 0, 0, 0, 0, width, height);	1173	XRenderComposite (dpy, PictOpOver, overlay_pic, None, back_pic, 0, 0, 0, 0, 0, 0, width, height);
		1174	}
		1175
1172	ret = true;	1176	ret = true;
1173	}
1174		1177
1175	XRenderFreePicture (dpy, mask_pic);	1178	XRenderFreePicture (dpy, mask_pic);
1176	XRenderFreePicture (dpy, overlay_pic);	1179	XRenderFreePicture (dpy, overlay_pic);
1177	XRenderFreePicture (dpy, back_pic);	1180	XRenderFreePicture (dpy, back_pic);
1178	# endif	1181	# endif
1179	}	1182	}
1180		1183
1181	return ret;	1184	return ret;
1182	}	1185	}
1183		1186
1184	/* make_transparency_pixmap()	1187	/*
1185	* Builds a pixmap of the same size as the terminal window that contains	1188	* Builds a pixmap of the same size as the terminal window that contains
1186	* the tiled portion of the root pixmap that is supposed to be covered by	1189	* the tiled portion of the root pixmap that is supposed to be covered by
1187	* our window.	1190	* our window.
1188	*/	1191	*/
1189	unsigned long	1192	unsigned long
1190	bgPixmap_t::make_transparency_pixmap ()	1193	rxvt_term::make_transparency_pixmap ()
1191	{	1194	{
1192	unsigned long result = 0;	1195	unsigned long result = 0;
1193
1194	if (target == NULL)
1195	return 0;
1196		1196
1197	/* root dimensions may change from call to call - but Display structure should	1197	/* root dimensions may change from call to call - but Display structure should
1198	* be always up-to-date, so let's use it :	1198	* be always up-to-date, so let's use it :
1199	*/	1199	*/
1200	int screen = target->display->screen;	1200	int screen = display->screen;
1201	Display *dpy = target->dpy;
1202	int root_depth = DefaultDepth (dpy, screen);	1201	int root_depth = DefaultDepth (dpy, screen);
1203	int root_width = DisplayWidth (dpy, screen);	1202	int root_width = DisplayWidth (dpy, screen);
1204	int root_height = DisplayHeight (dpy, screen);	1203	int root_height = DisplayHeight (dpy, screen);
1205	unsigned int root_pmap_width, root_pmap_height;	1204	unsigned int root_pmap_width, root_pmap_height;
1206	int window_width = target->szHint.width;	1205	int window_width = szHint.width;
1207	int window_height = target->szHint.height;	1206	int window_height = szHint.height;
1208	int sx, sy;	1207	int sx, sy;
1209	XGCValues gcv;	1208	XGCValues gcv;
1210	GC gc;	1209	GC gc;
1211		1210
1212	sx = target_x;	1211	sx = target_x;
…		…
1222	{	1221	{
1223	Window wdummy;	1222	Window wdummy;
1224	int idummy;	1223	int idummy;
1225	unsigned int udummy;	1224	unsigned int udummy;
1226		1225
1227	target->allowedxerror = -1;	1226	allowedxerror = -1;
1228		1227
1229	if (!XGetGeometry (dpy, root_pixmap, &wdummy, &idummy, &idummy, &root_pmap_width, &root_pmap_height, &udummy, &udummy))	1228	if (!XGetGeometry (dpy, root_pixmap, &wdummy, &idummy, &idummy, &root_pmap_width, &root_pmap_height, &udummy, &udummy))
1230	root_pixmap = None;	1229	root_pixmap = None;
1231		1230
1232	target->allowedxerror = 0;	1231	allowedxerror = 0;
1233	}	1232	}
1234		1233
1235	Pixmap recoded_root_pmap = root_pixmap;	1234	Pixmap recoded_root_pmap = root_pixmap;
1236		1235
1237	if (root_pixmap != None && root_depth != target->depth)	1236	if (root_pixmap != None && root_depth != depth)
1238	{	1237	{
1239	#if XRENDER	1238	#if XRENDER
1240	if (flags & HAS_RENDER)	1239	if (bg_flags & BG_HAS_RENDER)
1241	{	1240	{
		1241	recoded_root_pmap = XCreatePixmap (dpy, vt, root_pmap_width, root_pmap_height, depth);
		1242
1242	XRenderPictureAttributes pa;	1243	XRenderPictureAttributes pa;
1243		1244
1244	XRenderPictFormat *src_format = XRenderFindVisualFormat (dpy, DefaultVisual (dpy, screen));	1245	XRenderPictFormat *src_format = XRenderFindVisualFormat (dpy, DefaultVisual (dpy, screen));
1245	Picture src = XRenderCreatePicture (dpy, root_pixmap, src_format, 0, &pa);	1246	Picture src = XRenderCreatePicture (dpy, root_pixmap, src_format, 0, &pa);
1246		1247
1247	recoded_root_pmap = XCreatePixmap (dpy, target->vt, root_pmap_width, root_pmap_height, target->depth);
1248	XRenderPictFormat *dst_format = XRenderFindVisualFormat (dpy, target->visual);	1248	XRenderPictFormat *dst_format = XRenderFindVisualFormat (dpy, visual);
1249	Picture dst = XRenderCreatePicture (dpy, recoded_root_pmap, dst_format, 0, &pa);	1249	Picture dst = XRenderCreatePicture (dpy, recoded_root_pmap, dst_format, 0, &pa);
1250		1250
1251	if (src && dst)
1252	XRenderComposite (dpy, PictOpSrc, src, None, dst, 0, 0, 0, 0, 0, 0, root_pmap_width, root_pmap_height);	1251	XRenderComposite (dpy, PictOpSrc, src, None, dst, 0, 0, 0, 0, 0, 0, root_pmap_width, root_pmap_height);
1253	else
1254	{
1255	XFreePixmap (dpy, recoded_root_pmap);
1256	root_pixmap = None;
1257	}
1258		1252
1259	XRenderFreePicture (dpy, src);	1253	XRenderFreePicture (dpy, src);
1260	XRenderFreePicture (dpy, dst);	1254	XRenderFreePicture (dpy, dst);
1261	}	1255	}
1262	else	1256	else
1263	#endif	1257	#endif
1264	root_pixmap = None;	1258	recoded_root_pmap = None;
1265	}	1259	}
1266		1260
1267	if (root_pixmap == None)	1261	if (recoded_root_pmap == None)
1268	return 0;	1262	return 0;
1269		1263
		1264	if (bg_pixmap == None
		1265	|| bg_pmap_width != window_width
		1266	|| bg_pmap_height != window_height)
		1267	{
		1268	if (bg_pixmap)
		1269	XFreePixmap (dpy, bg_pixmap);
1270	Pixmap tiled_root_pmap = XCreatePixmap (dpy, target->vt, window_width, window_height, target->depth);	1270	bg_pixmap = XCreatePixmap (dpy, vt, window_width, window_height, depth);
1271		1271	bg_pmap_width = window_width;
1272	if (tiled_root_pmap == None) /* something really bad happened - abort */	1272	bg_pmap_height = window_height;
1273	return 0;	1273	}
1274		1274
1275	/* straightforward pixmap copy */	1275	/* straightforward pixmap copy */
1276	while (sx < 0) sx += (int)root_width;	1276	while (sx < 0) sx += root_width;
1277	while (sy < 0) sy += (int)root_height;	1277	while (sy < 0) sy += root_height;
1278		1278
1279	gcv.tile = recoded_root_pmap;	1279	gcv.tile = recoded_root_pmap;
1280	gcv.fill_style = FillTiled;	1280	gcv.fill_style = FillTiled;
1281	gcv.ts_x_origin = -sx;	1281	gcv.ts_x_origin = -sx;
1282	gcv.ts_y_origin = -sy;	1282	gcv.ts_y_origin = -sy;
1283	gc = XCreateGC (dpy, target->vt, GCFillStyle | GCTile | GCTileStipXOrigin | GCTileStipYOrigin, &gcv);	1283	gc = XCreateGC (dpy, vt, GCFillStyle | GCTile | GCTileStipXOrigin | GCTileStipYOrigin, &gcv);
1284		1284
1285	if (gc)	1285	if (gc)
1286	{	1286	{
1287	XFillRectangle (dpy, tiled_root_pmap, gc, 0, 0, window_width, window_height);	1287	XFillRectangle (dpy, bg_pixmap, gc, 0, 0, window_width, window_height);
1288	result |= transpPmapTiled;	1288	result |= BG_IS_VALID | (bg_flags & BG_EFFECTS_FLAGS);
1289	XFreeGC (dpy, gc);	1289	XFreeGC (dpy, gc);
1290		1290
1291	if (!need_client_side_rendering ())	1291	if (!(bg_flags & BG_CLIENT_RENDER))
1292	{	1292	{
1293	if ((flags & blurNeeded)	1293	if ((bg_flags & BG_NEEDS_BLUR)
1294	&& (flags & HAS_RENDER_CONV))	1294	&& (bg_flags & BG_HAS_RENDER_CONV))
1295	{
1296	if (blur_pixmap (tiled_root_pmap, target->visual, window_width, window_height))
1297	result |= transpPmapBlurred;
1298	}	1295	{
1299	if ((flags & tintNeeded)	1296	if (blur_pixmap (bg_pixmap, visual, window_width, window_height))
1300	&& (flags & (tintWholesome | HAS_RENDER)))	1297	result &= ~BG_NEEDS_BLUR;
1301	{	1298	}
		1299	if ((bg_flags & BG_NEEDS_TINT)
		1300	&& (bg_flags & (BG_TINT_BITAND | BG_HAS_RENDER)))
		1301	{
1302	if (tint_pixmap (tiled_root_pmap, target->visual, window_width, window_height))	1302	if (tint_pixmap (bg_pixmap, visual, window_width, window_height))
1303	result |= transpPmapTinted;	1303	result &= ~BG_NEEDS_TINT;
1304	}	1304	}
1305	} /* server side rendering completed */	1305	} /* server side rendering completed */
1306
1307	if (pixmap)
1308	XFreePixmap (dpy, pixmap);
1309
1310	pixmap = tiled_root_pmap;
1311	pmap_width = window_width;
1312	pmap_height = window_height;
1313	pmap_depth = target->depth;
1314	}	1306	}
1315	else
1316	XFreePixmap (dpy, tiled_root_pmap);
1317		1307
1318	if (recoded_root_pmap != root_pixmap)	1308	if (recoded_root_pmap != root_pixmap)
1319	XFreePixmap (dpy, recoded_root_pmap);	1309	XFreePixmap (dpy, recoded_root_pmap);
1320		1310
1321	return result;	1311	return result;
1322	}	1312	}
1323		1313
1324	void	1314	void
1325	bgPixmap_t::set_root_pixmap ()	1315	rxvt_term::bg_set_root_pixmap ()
1326	{	1316	{
1327	Pixmap new_root_pixmap = target->get_pixmap_property (XA_XROOTPMAP_ID);	1317	Pixmap new_root_pixmap = get_pixmap_property (xa[XA_XROOTPMAP_ID]);
1328	if (new_root_pixmap == None)	1318	if (new_root_pixmap == None)
1329	new_root_pixmap = target->get_pixmap_property (XA_ESETROOT_PMAP_ID);	1319	new_root_pixmap = get_pixmap_property (xa[XA_ESETROOT_PMAP_ID]);
1330		1320
1331	root_pixmap = new_root_pixmap;	1321	root_pixmap = new_root_pixmap;
1332	}	1322	}
1333	# endif /* ENABLE_TRANSPARENCY */	1323	# endif /* ENABLE_TRANSPARENCY */
1334		1324
1335	#if defined(ENABLE_TRANSPARENCY) && !defined(HAVE_AFTERIMAGE)	1325	#if defined(ENABLE_TRANSPARENCY) && !defined(HAVE_AFTERIMAGE)
1336	static void ShadeXImage(Visual *visual, XImage *srcImage, int shade, const rgba &c);	1326	static void shade_ximage (Visual *visual, XImage *ximage, int shade, const rgba &c);
1337	# endif	1327	# endif
1338		1328
1339	bool	1329	bool
1340	bgPixmap_t::render ()	1330	rxvt_term::bg_render ()
1341	{	1331	{
1342	unsigned long background_flags = 0;	1332	unsigned long tr_flags = 0;
1343		1333
1344	if (target == NULL)
1345	return false;
1346
1347	invalidate ();	1334	bg_invalidate ();
1348	# ifdef ENABLE_TRANSPARENCY	1335	# ifdef ENABLE_TRANSPARENCY
1349	if (flags & isTransparent)	1336	if (bg_flags & BG_IS_TRANSPARENT)
1350	{	1337	{
1351	/* we need to re-generate transparency pixmap in that case ! */	1338	/* we need to re-generate transparency pixmap in that case ! */
1352	background_flags = make_transparency_pixmap ();	1339	tr_flags = make_transparency_pixmap ();
1353	if (background_flags == 0)	1340	if (tr_flags == 0)
1354	return false;	1341	return false;
1355	else if ((background_flags & transpTransformations) == (flags & transpTransformations))	1342	else if (!(tr_flags & BG_EFFECTS_FLAGS))
1356	flags &= ~isInvalid;	1343	bg_flags |= BG_IS_VALID;
1357	}	1344	}
1358	# endif	1345	# endif
1359		1346
1360	# ifdef BG_IMAGE_FROM_FILE	1347	# ifdef BG_IMAGE_FROM_FILE
1361	if (have_image	1348	if ((bg_flags & BG_IS_FROM_FILE)
1362	|| (background_flags & transpTransformations) != (flags & transpTransformations))	1349	|| (tr_flags & BG_EFFECTS_FLAGS))
1363	{	1350	{
1364	if (render_image (background_flags))	1351	if (render_image (tr_flags))
1365	flags &= ~isInvalid;	1352	bg_flags |= BG_IS_VALID;
1366	}	1353	}
1367	# endif	1354	# endif
1368		1355
1369	# if defined(ENABLE_TRANSPARENCY) && !defined(HAVE_AFTERIMAGE)	1356	# if defined(ENABLE_TRANSPARENCY) && !defined(HAVE_AFTERIMAGE)
1370	XImage *result = NULL;	1357	XImage *result = NULL;
1371		1358
1372	if (background_flags && (flags & isInvalid))	1359	if (tr_flags && !(bg_flags & BG_IS_VALID))
1373	{	1360	{
1374	result = XGetImage (target->dpy, pixmap, 0, 0, pmap_width, pmap_height, AllPlanes, ZPixmap);	1361	result = XGetImage (dpy, bg_pixmap, 0, 0, bg_pmap_width, bg_pmap_height, AllPlanes, ZPixmap);
1375	}	1362	}
1376		1363
1377	if (result)	1364	if (result)
1378	{	1365	{
1379	/* our own client-side tinting */	1366	/* our own client-side tinting */
1380	if (!(background_flags & transpPmapTinted) && (flags & tintNeeded))	1367	if (tr_flags & BG_NEEDS_TINT)
1381	{	1368	{
1382	rgba c (rgba::MAX_CC,rgba::MAX_CC,rgba::MAX_CC);	1369	rgba c (rgba::MAX_CC,rgba::MAX_CC,rgba::MAX_CC);
1383	if (flags & tintSet)	1370	if (bg_flags & BG_TINT_SET)
1384	tint.get (c);	1371	tint.get (c);
1385	ShadeXImage (DefaultVisual (target->dpy, target->display->screen), result, shade, c);	1372	shade_ximage (DefaultVisual (dpy, display->screen), result, shade, c);
1386	}	1373	}
1387		1374
1388	GC gc = XCreateGC (target->dpy, target->vt, 0UL, NULL);	1375	GC gc = XCreateGC (dpy, vt, 0UL, NULL);
1389		1376
1390	if (gc)	1377	if (gc)
1391	{	1378	{
1392	XPutImage (target->dpy, pixmap, gc, result, 0, 0, 0, 0, result->width, result->height);	1379	XPutImage (dpy, bg_pixmap, gc, result, 0, 0, 0, 0, result->width, result->height);
1393		1380
1394	XFreeGC (target->dpy, gc);	1381	XFreeGC (dpy, gc);
1395	flags &= ~isInvalid;	1382	bg_flags |= BG_IS_VALID;
1396	}	1383	}
1397		1384
1398	XDestroyImage (result);	1385	XDestroyImage (result);
1399	}	1386	}
1400	# endif	1387	# endif
1401		1388
1402	if (flags & isInvalid)	1389	if (!(bg_flags & BG_IS_VALID))
1403	{	1390	{
1404	if (pixmap != None)	1391	if (bg_pixmap != None)
1405	{	1392	{
1406	XFreePixmap (target->dpy, pixmap);	1393	XFreePixmap (dpy, bg_pixmap);
1407	pixmap = None;	1394	bg_pixmap = None;
1408	}	1395	}
1409	}	1396	}
1410		1397
1411	apply ();	1398	scr_recolour (false);
		1399	bg_flags |= BG_NEEDS_REFRESH;
1412		1400
1413	valid_since = ev::now ();	1401	bg_valid_since = ev::now ();
1414		1402
1415	return true;	1403	return true;
1416	}	1404	}
1417		1405
1418	void	1406	void
1419	bgPixmap_t::set_target (rxvt_term *new_target)	1407	rxvt_term::bg_init ()
1420	{	1408	{
1421	target = new_target;	1409	#ifdef ENABLE_TRANSPARENCY
		1410	shade = 100;
		1411	#endif
1422		1412
1423	flags &= ~(HAS_RENDER | HAS_RENDER_CONV);	1413	bg_flags &= ~(BG_HAS_RENDER | BG_HAS_RENDER_CONV);
1424	#if XRENDER	1414	#if XRENDER
1425	int major, minor;	1415	int major, minor;
1426	if (XRenderQueryVersion (target->dpy, &major, &minor))	1416	if (XRenderQueryVersion (dpy, &major, &minor))
1427	flags |= HAS_RENDER;	1417	bg_flags |= BG_HAS_RENDER;
1428	XFilters *filters = XRenderQueryFilters (target->dpy, target->vt);	1418	XFilters *filters = XRenderQueryFilters (dpy, vt);
1429	if (filters)	1419	if (filters)
1430	{	1420	{
1431	for (int i = 0; i < filters->nfilter; i++)	1421	for (int i = 0; i < filters->nfilter; i++)
1432	if (!strcmp (filters->filter[i], FilterConvolution))	1422	if (!strcmp (filters->filter[i], FilterConvolution))
1433	flags |= HAS_RENDER_CONV;	1423	bg_flags |= BG_HAS_RENDER_CONV;
1434		1424
1435	XFree (filters);	1425	XFree (filters);
1436	}	1426	}
1437	#endif	1427	#endif
1438	}
1439
1440	void
1441	bgPixmap_t::apply ()
1442	{
1443	if (target == NULL)
1444	return;
1445
1446	if (pixmap != None)
1447	{
1448	/* set target's background to pixmap */
1449	# ifdef ENABLE_TRANSPARENCY
1450	if (flags & isTransparent)
1451	{
1452	XSetWindowBackgroundPixmap (target->dpy, target->parent[0], pixmap);
1453	XSetWindowBackgroundPixmap (target->dpy, target->vt, ParentRelative);
1454
1455	if (target->scrollBar.win)
1456	XSetWindowBackgroundPixmap (target->dpy, target->scrollBar.win, ParentRelative);
1457	}
1458	else
1459	# endif
1460	{
1461	/* force old pixmap dereference in case it was transparent before :*/
1462	XSetWindowBackground (target->dpy, target->parent[0], target->pix_colors[Color_border]);
1463	XSetWindowBackgroundPixmap (target->dpy, target->vt, pixmap);
1464	/* do we also need to set scrollbar's background here ? */
1465
1466	if (target->scrollBar.win)
1467	XSetWindowBackground (target->dpy, target->scrollBar.win, target->pix_colors[Color_border]);
1468	}
1469	}
1470	else
1471	{
1472	/* set target background to a pixel */
1473	XSetWindowBackground (target->dpy, target->parent[0], target->pix_colors[Color_border]);
1474	XSetWindowBackground (target->dpy, target->vt, target->pix_colors[Color_bg]);
1475	/* do we also need to set scrollbar's background here ? */
1476	if (target->scrollBar.win)
1477	XSetWindowBackground (target->dpy, target->scrollBar.win, target->pix_colors[Color_border]);
1478	}
1479
1480	/* don't want Expose on the parent or vt. It is better to use
1481	scr_touch or we get a great deal of flicker otherwise: */
1482	XClearWindow (target->dpy, target->parent[0]);
1483
1484	if (target->scrollBar.state && target->scrollBar.win)
1485	{
1486	target->scrollBar.state = STATE_IDLE;
1487	target->scrollBar.show (0);
1488	}
1489
1490	target->want_refresh = 1;
1491	flags |= hasChanged;
1492	}	1428	}
1493		1429
1494	#endif /* HAVE_BG_PIXMAP */	1430	#endif /* HAVE_BG_PIXMAP */
1495		1431
1496	#if defined(ENABLE_TRANSPARENCY) && !defined(HAVE_AFTERIMAGE)	1432	#if defined(ENABLE_TRANSPARENCY) && !defined(HAVE_AFTERIMAGE)
1497	/* taken from aterm-0.4.2 */	1433	/* taken from aterm-0.4.2 */
1498		1434
1499	static void	1435	static void
1500	ShadeXImage(Visual *visual, XImage *srcImage, int shade, const rgba &c)	1436	shade_ximage (Visual *visual, XImage *ximage, int shade, const rgba &c)
1501	{	1437	{
1502	int sh_r, sh_g, sh_b;	1438	int sh_r, sh_g, sh_b;
1503	uint32_t mask_r, mask_g, mask_b;	1439	uint32_t mask_r, mask_g, mask_b;
1504	uint32_t *lookup, *lookup_r, *lookup_g, *lookup_b;	1440	uint32_t *lookup, *lookup_r, *lookup_g, *lookup_b;
1505	rgba low;	1441	rgba low;
1506	rgba high;	1442	rgba high;
1507	int i;	1443	int i;
1508	int host_byte_order = byteorder.big_endian () ? MSBFirst : LSBFirst;	1444	int host_byte_order = byteorder::big_endian () ? MSBFirst : LSBFirst;
1509		1445
1510	if (visual->c_class != TrueColor || srcImage->format != ZPixmap) return;	1446	if (visual->c_class != TrueColor || ximage->format != ZPixmap) return;
1511		1447
1512	/* for convenience */	1448	/* for convenience */
1513	mask_r = visual->red_mask;	1449	mask_r = visual->red_mask;
1514	mask_g = visual->green_mask;	1450	mask_g = visual->green_mask;
1515	mask_b = visual->blue_mask;	1451	mask_b = visual->blue_mask;
1516		1452
1517	/* boring lookup table pre-initialization */	1453	/* boring lookup table pre-initialization */
1518	switch (srcImage->depth)	1454	switch (ximage->depth)
1519	{	1455	{
1520	case 15:	1456	case 15:
1521	if ((mask_r != 0x7c00) ||	1457	if ((mask_r != 0x7c00) ||
1522	(mask_g != 0x03e0) ||	1458	(mask_g != 0x03e0) ||
1523	(mask_b != 0x001f))	1459	(mask_b != 0x001f))
…		…
1576	/* prepare limits for color transformation (each channel is handled separately) */	1512	/* prepare limits for color transformation (each channel is handled separately) */
1577	if (shade > 100)	1513	if (shade > 100)
1578	{	1514	{
1579	shade = 200 - shade;	1515	shade = 200 - shade;
1580		1516
1581	high.r = (65535 - c.r) * shade / 100;	1517	high.r = c.r * shade / 100;
1582	high.g = (65535 - c.g) * shade / 100;	1518	high.g = c.g * shade / 100;
1583	high.b = (65535 - c.b) * shade / 100;	1519	high.b = c.b * shade / 100;
1584		1520
1585	low.r = 65535 - high.r;	1521	low.r = 65535 * (100 - shade) / 100;
1586	low.g = 65535 - high.g;	1522	low.g = 65535 * (100 - shade) / 100;
1587	low.b = 65535 - high.b;	1523	low.b = 65535 * (100 - shade) / 100;
1588	}	1524	}
1589	else	1525	else
1590	{	1526	{
1591	high.r = c.r * shade / 100;	1527	high.r = c.r * shade / 100;
1592	high.g = c.g * shade / 100;	1528	high.g = c.g * shade / 100;
…		…
1617	tmp += (mask_b>>sh_b) * low.b;	1553	tmp += (mask_b>>sh_b) * low.b;
1618	lookup_b[i] = (tmp/65535)<<sh_b;	1554	lookup_b[i] = (tmp/65535)<<sh_b;
1619	}	1555	}
1620		1556
1621	/* apply table to input image (replacing colors by newly calculated ones) */	1557	/* apply table to input image (replacing colors by newly calculated ones) */
1622	if (srcImage->bits_per_pixel == 32	1558	if (ximage->bits_per_pixel == 32
1623	&& (srcImage->depth == 24 || srcImage->depth == 32)	1559	&& (ximage->depth == 24 || ximage->depth == 32)
1624	&& srcImage->byte_order == host_byte_order)	1560	&& ximage->byte_order == host_byte_order)
1625	{	1561	{
1626	uint32_t *p1, *pf, *p, *pl;	1562	uint32_t *p1, *pf, *p, *pl;
1627	p1 = (uint32_t *) srcImage->data;	1563	p1 = (uint32_t *) ximage->data;
1628	pf = (uint32_t *) (srcImage->data + srcImage->height * srcImage->bytes_per_line);	1564	pf = (uint32_t *) (ximage->data + ximage->height * ximage->bytes_per_line);
1629		1565
1630	while (p1 < pf)	1566	while (p1 < pf)
1631	{	1567	{
1632	p = p1;	1568	p = p1;
1633	pl = p1 + srcImage->width;	1569	pl = p1 + ximage->width;
1634	for (; p < pl; p++)	1570	for (; p < pl; p++)
1635	{	1571	{
1636	*p = lookup_r[(*p & 0xff0000) >> 16] |	1572	*p = lookup_r[(*p & 0xff0000) >> 16] |
1637	lookup_g[(*p & 0x00ff00) >> 8] |	1573	lookup_g[(*p & 0x00ff00) >> 8] |
1638	lookup_b[(*p & 0x0000ff)] |	1574	lookup_b[(*p & 0x0000ff)] |
1639	(*p & 0xff000000);	1575	(*p & 0xff000000);
1640	}	1576	}
1641	p1 = (uint32_t *) ((char *) p1 + srcImage->bytes_per_line);	1577	p1 = (uint32_t *) ((char *) p1 + ximage->bytes_per_line);
1642	}	1578	}
1643	}	1579	}
1644	else	1580	else
1645	{	1581	{
1646	for (int y = 0; y < srcImage->height; y++)	1582	for (int y = 0; y < ximage->height; y++)
1647	for (int x = 0; x < srcImage->width; x++)	1583	for (int x = 0; x < ximage->width; x++)
1648	{	1584	{
1649	unsigned long pixel = XGetPixel (srcImage, x, y);	1585	unsigned long pixel = XGetPixel (ximage, x, y);
1650	pixel = lookup_r[(pixel & mask_r) >> sh_r] |	1586	pixel = lookup_r[(pixel & mask_r) >> sh_r] |
1651	lookup_g[(pixel & mask_g) >> sh_g] |	1587	lookup_g[(pixel & mask_g) >> sh_g] |
1652	lookup_b[(pixel & mask_b) >> sh_b];	1588	lookup_b[(pixel & mask_b) >> sh_b];
1653	XPutPixel (srcImage, x, y, pixel);	1589	XPutPixel (ximage, x, y, pixel);
1654	}	1590	}
1655	}	1591	}
1656		1592
1657	free (lookup);	1593	free (lookup);
1658	}	1594	}

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