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Comparing rxvt-unicode/src/background.C (file contents):
Revision 1.95 by sf-exg, Fri Oct 22 16:21:05 2010 UTC vs.
Revision 1.153 by sf-exg, Sun May 8 21:07:43 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
…		…
24		24
25	#include <cmath>	25	#include <cmath>
26	#include "../config.h" /* NECESSARY */	26	#include "../config.h" /* NECESSARY */
27	#include "rxvt.h" /* NECESSARY */	27	#include "rxvt.h" /* NECESSARY */
28		28
29	#define DO_TIMING_TEST 0	29	#if XRENDER
		30	# include <X11/extensions/Xrender.h>
		31	#endif
30		32
31	#if DO_TIMING_TEST	33	#ifndef FilterConvolution
32	# include <sys/time.h>	34	#define FilterConvolution "convolution"
33	#define TIMING_TEST_START(id) \
34	struct timeval timing_test_##id##_stv; \
35	gettimeofday (&timing_test_##id##_stv, NULL);
36
37	#define TIMING_TEST_PRINT_RESULT(id) \
38	do { \
39	struct timeval tv; \
40	gettimeofday (&tv, NULL); \
41	tv.tv_sec -= (timing_test_##id##_stv).tv_sec; \
42	fprintf (stderr, "%s: %s: %d: elapsed %ld usec\n", #id, __FILE__, __LINE__, \
43	tv.tv_sec * 1000000 + tv.tv_usec - (timing_test_##id##_stv).tv_usec); \
44	} while (0)
45
46	#else
47	#define TIMING_TEST_START(id) do {} while (0)
48	#define TIMING_TEST_PRINT_RESULT(id) do {} while (0)
49	#endif	35	#endif
50		36
51	/*	37	/*
52	* Pixmap geometry string interpretation :	38	* Pixmap geometry string interpretation :
53	* Each geometry string contains zero or one scale/position	39	* Each geometry string contains zero or one scale/position
…		…
58	*	44	*
59	* WxH+X+Y Set scaling to W% by H%, and position to X% by Y%.	45	* WxH+X+Y Set scaling to W% by H%, and position to X% by Y%.
60	* W and H are percentages of the terminal window size.	46	* W and H are percentages of the terminal window size.
61	* X and Y are also percentages; e.g., +50+50 centers	47	* X and Y are also percentages; e.g., +50+50 centers
62	* the image in the window.	48	* the image in the window.
63	* WxH+X Assumes Y == X
64	* WxH Assumes Y == X == 50 (centers the image)
65	* W+X+Y Assumes H == W
66	* W+X Assumes H == W and Y == X
67	* W Assumes H == W and Y == X == 50
68	*
69	* Adjusting position only :
70	* =+X+Y Set position to X% by Y% (absolute).
71	* =+X Set position to X% by X%.
72	* +X+Y Adjust position horizontally X% and vertically Y%
73	* from current position (relative).
74	* +X Adjust position horizontally X% and vertically X%
75	* from current position.
76	*
77	* Adjusting scale only :
78	* Wx0 Multiply horizontal scaling factor by W%
79	* 0xH Multiply vertical scaling factor by H%
80	* 0x0 No scaling (show image at normal size).
81	*	49	*
82	* Pixmap Operations : (should be prepended by a colon)	50	* Pixmap Operations : (should be prepended by a colon)
83	* tile Tile image. Scaling/position modifiers above will affect	51	* tile Tile image. Scaling/position modifiers above will affect
84	* the tile size and origin.	52	* the tile size and origin.
85	* propscale When scaling, scale proportionally. That is, maintain the	53	* propscale When scaling, scale proportionally. That is, maintain the
…		…
91	* scale Scale both up and down	59	* scale Scale both up and down
92	* auto Same as 100x100+50+50	60	* auto Same as 100x100+50+50
93	*/	61	*/
94		62
95	#ifdef HAVE_BG_PIXMAP	63	#ifdef HAVE_BG_PIXMAP
96	bgPixmap_t::bgPixmap_t ()
97	{
98	// this is basically redundant as bgPixmap_t is only used in
99	// zero_initialised-derived structs
100	#ifdef HAVE_AFTERIMAGE
101	original_asim = NULL;
102	#endif
103	#ifdef HAVE_PIXBUF
104	pixbuf = NULL;
105	#endif
106	#ifdef BG_IMAGE_FROM_FILE
107	have_image = false;
108	h_scale = v_scale = 0;
109	h_align = v_align = 0;
110	#endif
111	#ifdef ENABLE_TRANSPARENCY
112	shade = 100;
113	#endif
114	flags = 0;
115	pixmap = None;
116	valid_since = invalid_since = 0;
117	target = 0;
118	}
119
120	void	64	void
121	bgPixmap_t::destroy ()	65	rxvt_term::bg_destroy ()
122	{	66	{
123	#ifdef HAVE_AFTERIMAGE	67	#ifdef HAVE_AFTERIMAGE
124	if (original_asim)	68	if (original_asim)
125	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);
126	#endif	74	#endif
127		75
128	#ifdef HAVE_PIXBUF	76	#ifdef HAVE_PIXBUF
129	if (pixbuf)	77	if (pixbuf)
130	g_object_unref (pixbuf);	78	g_object_unref (pixbuf);
131	#endif	79	#endif
132		80
133	if (pixmap && target)	81	if (bg_pixmap)
134	XFreePixmap (target->dpy, pixmap);	82	XFreePixmap (dpy, bg_pixmap);
135	}	83	}
136		84
137	bool	85	bool
138	bgPixmap_t::window_size_sensitive ()	86	rxvt_term::bg_set_position (int x, int y)
		87	{
		88
		89	if (target_x != x
		90	|| target_y != y)
		91	{
		92	target_x = x;
		93	target_y = y;
		94	return true;
		95	}
		96	return false;
		97	}
		98
		99	bool
		100	rxvt_term::bg_window_size_sensitive ()
139	{	101	{
140	# ifdef ENABLE_TRANSPARENCY	102	# ifdef ENABLE_TRANSPARENCY
141	if (flags & isTransparent)	103	if (bg_flags & BG_IS_TRANSPARENT)
142	return true;	104	return true;
143	# endif	105	# endif
144		106
145	# ifdef BG_IMAGE_FROM_FILE	107	# ifdef BG_IMAGE_FROM_FILE
146	if (have_image)	108	if (bg_flags & BG_IS_FROM_FILE)
147	{	109	{
148	if (flags & sizeSensitive)	110	if (bg_flags & BG_IS_SIZE_SENSITIVE)
149	return true;	111	return true;
150	}	112	}
151	# endif	113	# endif
152		114
153	return false;	115	return false;
154	}	116	}
155		117
156	bool	118	bool
157	bgPixmap_t::window_position_sensitive ()	119	rxvt_term::bg_window_position_sensitive ()
158	{	120	{
159	# ifdef ENABLE_TRANSPARENCY	121	# ifdef ENABLE_TRANSPARENCY
160	if (flags & isTransparent)	122	if (bg_flags & BG_IS_TRANSPARENT)
161	return true;	123	return true;
162	# endif	124	# endif
163		125
164	# ifdef BG_IMAGE_FROM_FILE	126	# ifdef BG_IMAGE_FROM_FILE
165	if (have_image)	127	if (bg_flags & BG_IS_FROM_FILE)
166	{	128	{
167	if (flags & rootAlign)	129	if (bg_flags & BG_ROOT_ALIGN)
168	return true;	130	return true;
169	}	131	}
170	# endif	132	# endif
171		133
172	return false;
173	};
174
175	bool bgPixmap_t::need_client_side_rendering ()
176	{
177	# ifdef HAVE_AFTERIMAGE
178	if (original_asim)
179	return true;
180	# endif
181	return false;	134	return false;
182	}	135	}
183		136
184	# ifdef BG_IMAGE_FROM_FILE	137	# ifdef BG_IMAGE_FROM_FILE
185	static inline bool	138	static inline bool
…		…
248	dst_size = target_size - dst_pos;	201	dst_size = target_size - dst_pos;
249	return src_pos;	202	return src_pos;
250	}	203	}
251		204
252	bool	205	bool
253	bgPixmap_t::set_geometry (const char *geom)	206	rxvt_term::bg_set_geometry (const char *geom, bool update)
254	{	207	{
		208	bool changed = false;
255	int geom_flags = 0, changed = 0;	209	int geom_flags = 0;
256	int x = 0, y = 0;	210	int x = 0, y = 0;
257	unsigned int w = 0, h = 0;	211	unsigned int w = 0, h = 0;
258	unsigned int n;	212	unsigned int n;
259	unsigned long new_flags = (flags & (~geometryFlags));	213	unsigned long new_flags = (bg_flags & (~BG_GEOMETRY_FLAGS));
260	const char *p;	214	const char *ops;
261	# define MAXLEN_GEOM 256 /* could be longer than regular geometry string */
262		215
263	if (geom == NULL)	216	if (geom == NULL)
264	return false;	217	return false;
265		218
266	char str[MAXLEN_GEOM];	219	char str[256];
267		220
268	while (isspace(*geom)) ++geom;
269	if ((p = strchr (geom, ';')) == NULL)
270	p = strchr (geom, '\0');	221	ops = strchr (geom, ':');
271		222	if (ops == NULL)
		223	n = strlen (geom);
		224	else
272	n = (p - geom);	225	n = ops - geom;
273	if (n < MAXLEN_GEOM)
274	{
275	char *ops;
276	new_flags |= geometrySet;
277		226
		227	if (n >= sizeof (str))
		228	return false;
		229
278	memcpy (str, geom, n);	230	memcpy (str, geom, n);
279	str[n] = '\0';	231	str[n] = '\0';
280	if (str[0] == ':')	232	rxvt_strtrim (str);
281	ops = &str[0];
282	else if (str[0] != 'x' && str[0] != 'X' && isalpha(str[0]))
283	ops = &str[0];
284	else
285	{
286	char *tmp;
287	ops = strchr (str, ':');
288	if (ops != NULL)
289	{
290	for (tmp = ops-1; tmp >= str && isspace(*tmp); --tmp);
291	*(++tmp) = '\0';
292	if (ops == tmp) ++ops;
293	}
294	}
295		233
296	if (ops > str || ops == NULL)	234	if (str[0])
297	{	235	{
298	/* we have geometry string - let's handle it prior to applying ops */	236	/* we have geometry string - let's handle it prior to applying ops */
299	geom_flags = XParseGeometry (str, &x, &y, &w, &h);	237	geom_flags = XParseGeometry (str, &x, &y, &w, &h);
300
301	if ((geom_flags & XValue) && !(geom_flags & YValue))
302	{
303	y = x;
304	geom_flags |= YValue;
305	}
306
307	if (flags & geometrySet)
308	{
309	/* new geometry is an adjustment to the old one ! */
310	if ((geom_flags & WidthValue) && (geom_flags & HeightValue))
311	{
312	if (w == 0 && h != 0)
313	{
314	w = h_scale;
315	h = (v_scale * h) / 100;
316	}
317	else if (h == 0 && w != 0)
318	{
319	w = (h_scale * w) / 100;
320	h = v_scale;
321	}
322	}
323	if (geom_flags & XValue)
324	{
325	if (str[0] != '=')
326	{
327	y += v_align;
328	x += h_align;
329	}
330	}
331	}
332	else /* setting up geometry from scratch */
333	{
334	if (!(geom_flags & XValue))
335	{
336	/* use default geometry - centered */
337	x = y = defaultAlign;
338	}
339	else if (!(geom_flags & YValue))
340	y = x;
341
342	if ((geom_flags & (WidthValue|HeightValue)) == 0)
343	{
344	/* use default geometry - scaled */
345	w = h = defaultScale;
346	}
347	else if (geom_flags & WidthValue)
348	{
349	if (!(geom_flags & HeightValue))
350	h = w;
351	}
352	else
353	w = h;
354	}
355	} /* done parsing geometry string */	238	} /* done parsing geometry string */
356	else if (!(flags & geometrySet))	239
357	{	240	if (!update)
358	/* default geometry - scaled and centered */	241	{
		242	if (!(geom_flags & XValue))
359	x = y = defaultAlign;	243	x = y = defaultAlign;
		244	else if (!(geom_flags & YValue))
		245	y = x;
		246
		247	if (!(geom_flags & (WidthValue|HeightValue)))
360	w = h = defaultScale;	248	w = h = defaultScale;
361	}	249	else if (!(geom_flags & HeightValue))
		250	h = w;
		251	else if (!(geom_flags & WidthValue))
		252	w = h;
362		253
363	if (!(flags & geometrySet))
364	geom_flags |= WidthValue|HeightValue|XValue|YValue;	254	geom_flags |= WidthValue|HeightValue|XValue|YValue;
		255	}
365		256
366	if (ops)	257	if (ops)
367	{	258	{
368	while (*ops)	259	char **arr = rxvt_strsplit (':', ops + 1);
		260
		261	for (int i = 0; arr[i]; i++)
369	{	262	{
370	while (*ops == ':' || isspace(*ops)) ++ops;	263	if (!strcasecmp (arr[i], "tile"))
371
372	# define CHECK_GEOM_OPS(op_str) (strncasecmp (ops, (op_str), sizeof (op_str) - 1) == 0)
373	if (CHECK_GEOM_OPS ("tile"))
374	{	264	{
375	w = h = noScale;	265	w = h = noScale;
376	geom_flags |= WidthValue|HeightValue;	266	geom_flags |= WidthValue|HeightValue;
377	}	267	}
378	else if (CHECK_GEOM_OPS ("propscale"))	268	else if (!strcasecmp (arr[i], "propscale"))
379	{	269	{
380	new_flags |= propScale;	270	new_flags |= BG_PROP_SCALE;
381	}	271	}
382	else if (CHECK_GEOM_OPS ("hscale"))	272	else if (!strcasecmp (arr[i], "hscale"))
383	{	273	{
384	if (w == 0) w = windowScale;	274	if (w == 0) w = windowScale;
385		275
386	h = noScale;	276	h = noScale;
387	geom_flags |= WidthValue|HeightValue;	277	geom_flags |= WidthValue|HeightValue;
388	}	278	}
389	else if (CHECK_GEOM_OPS ("vscale"))	279	else if (!strcasecmp (arr[i], "vscale"))
390	{	280	{
391	if (h == 0) h = windowScale;	281	if (h == 0) h = windowScale;
392		282
393	w = noScale;	283	w = noScale;
394	geom_flags |= WidthValue|HeightValue;	284	geom_flags |= WidthValue|HeightValue;
395	}	285	}
396	else if (CHECK_GEOM_OPS ("scale"))	286	else if (!strcasecmp (arr[i], "scale"))
397	{	287	{
398	if (h == 0) h = windowScale;	288	if (h == 0) h = windowScale;
399	if (w == 0) w = windowScale;	289	if (w == 0) w = windowScale;
400		290
401	geom_flags |= WidthValue|HeightValue;	291	geom_flags |= WidthValue|HeightValue;
402	}	292	}
403	else if (CHECK_GEOM_OPS ("auto"))	293	else if (!strcasecmp (arr[i], "auto"))
404	{	294	{
405	w = h = windowScale;	295	w = h = windowScale;
406	x = y = centerAlign;	296	x = y = centerAlign;
407	geom_flags |= WidthValue|HeightValue|XValue|YValue;	297	geom_flags |= WidthValue|HeightValue|XValue|YValue;
408	}	298	}
409	else if (CHECK_GEOM_OPS ("root"))	299	else if (!strcasecmp (arr[i], "root"))
410	{	300	{
411	new_flags |= rootAlign;	301	new_flags |= BG_ROOT_ALIGN;
412	w = h = noScale;	302	w = h = noScale;
413	geom_flags |= WidthValue|HeightValue;	303	geom_flags |= WidthValue|HeightValue;
414	}	304	}
415	# undef CHECK_GEOM_OPS
416
417	while (*ops != ':' && *ops != '\0') ++ops;
418	} /* done parsing ops */	305	} /* done parsing ops */
419	}
420		306
		307	rxvt_free_strsplit (arr);
		308	}
		309
421	if (check_set_scale_value (geom_flags, WidthValue, h_scale, w)) ++changed;	310	if (check_set_scale_value (geom_flags, WidthValue, h_scale, w)) changed = true;
422	if (check_set_scale_value (geom_flags, HeightValue, v_scale, h)) ++changed;	311	if (check_set_scale_value (geom_flags, HeightValue, v_scale, h)) changed = true;
423	if (check_set_align_value (geom_flags, XValue, h_align, x)) ++changed;	312	if (check_set_align_value (geom_flags, XValue, h_align, x)) changed = true;
424	if (check_set_align_value (geom_flags, YValue, v_align, y)) ++changed;	313	if (check_set_align_value (geom_flags, YValue, v_align, y)) changed = true;
425	}
426		314
427	if (new_flags != flags)	315	if (new_flags != bg_flags)
428	{	316	{
429	flags = new_flags;	317	bg_flags = new_flags;
430	changed++;	318	changed = true;
431	}	319	}
432		320
433	//fprintf (stderr, "flags = %lX, scale = %ux%u, align=%+d%+d\n",
434	// flags, h_scale, v_scale, h_align, v_align);
435	return (changed > 0);	321	return changed;
436	}	322	}
437		323
438	void	324	void
439	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)
440	{	326	{
441	int target_width = target->szHint.width;	327	int target_width = szHint.width;
442	int target_height = target->szHint.height;	328	int target_height = szHint.height;
443		329
444	if (flags & propScale)	330	if (bg_flags & BG_PROP_SCALE)
445	{	331	{
446	float scale = (float)target_width / image_width;	332	float scale = (float)target_width / image_width;
447	min_it (scale, (float)target_height / image_height);	333	min_it (scale, (float)target_height / image_height);
448	w = image_width * scale + 0.5;	334	w = image_width * scale + 0.5;
449	h = image_height * scale + 0.5;	335	h = image_height * scale + 0.5;
…		…
455	}	341	}
456		342
457	if (!w) w = image_width;	343	if (!w) w = image_width;
458	if (!h) h = image_height;	344	if (!h) h = image_height;
459		345
460	if (flags & rootAlign)	346	if (bg_flags & BG_ROOT_ALIGN)
461	{	347	{
462	target->get_window_origin (x, y);
463	x = -x;	348	x = -target_x;
464	y = -y;	349	y = -target_y;
465	}	350	}
466	else	351	else
467	{	352	{
468	x = make_align_position (h_align, target_width, w);	353	x = make_align_position (h_align, target_width, w);
469	y = make_align_position (v_align, target_height, h);	354	y = make_align_position (v_align, target_height, h);
470	}	355	}
471		356
472	flags &= ~sizeSensitive;	357	bg_flags &= ~BG_IS_SIZE_SENSITIVE;
473	if ((flags & propScale) || h_scale || v_scale	358	if ((bg_flags & BG_PROP_SCALE) || h_scale || v_scale
474	|| (!(flags & rootAlign) && (h_align || v_align))	359	|| (!(bg_flags & BG_ROOT_ALIGN) && (h_align || v_align))
475	|| w > target_width || h > target_height)	360	|| w > target_width || h > target_height)
476	flags |= sizeSensitive;	361	bg_flags |= BG_IS_SIZE_SENSITIVE;
477	}	362	}
478		363
479	# ifdef HAVE_AFTERIMAGE	364	# ifdef HAVE_AFTERIMAGE
480	bool	365	bool
481	bgPixmap_t::render_image (unsigned long background_flags)	366	rxvt_term::render_image (unsigned long tr_flags)
482	{	367	{
483	if (target == NULL)
484	return false;
485
486	target->init_asv ();	368	init_asv ();
487		369
488	ASImage *background = NULL;	370	ASImage *background = NULL;
489	ARGB32 background_tint = TINT_LEAVE_SAME;	371	ARGB32 background_tint = TINT_LEAVE_SAME;
490		372
491	# ifdef ENABLE_TRANSPARENCY	373	# ifdef ENABLE_TRANSPARENCY
492	if (background_flags)	374	if (tr_flags)
493	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);
494		376
495	if (!(background_flags & transpPmapTinted) && (flags & tintNeeded))	377	if (tr_flags & BG_NEEDS_TINT)
496	{	378	{
497	ShadingInfo as_shade;	379	ShadingInfo as_shade;
498	as_shade.shading = shade;	380	as_shade.shading = shade;
499		381
500	rgba c (rgba::MAX_CC,rgba::MAX_CC,rgba::MAX_CC);	382	rgba c (rgba::MAX_CC,rgba::MAX_CC,rgba::MAX_CC);
501	if (flags & tintSet)	383	if (bg_flags & BG_TINT_SET)
502	tint.get (c);	384	tint.get (c);
503	as_shade.tintColor.red = c.r;	385	as_shade.tintColor.red = c.r;
504	as_shade.tintColor.green = c.g;	386	as_shade.tintColor.green = c.g;
505	as_shade.tintColor.blue = c.b;	387	as_shade.tintColor.blue = c.b;
506		388
507	background_tint = shading2tint32 (&as_shade);	389	background_tint = shading2tint32 (&as_shade);
508	}	390	}
509		391
510	if (!(background_flags & transpPmapBlurred) && (flags & blurNeeded) && background != NULL)	392	if ((tr_flags & BG_NEEDS_BLUR) && background != NULL)
511	{	393	{
512	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,
513	(original_asim == NULL || tint == TINT_LEAVE_SAME) ? ASA_XImage : ASA_ASImage,	395	(original_asim == NULL || tint == TINT_LEAVE_SAME) ? ASA_XImage : ASA_ASImage,
514	100, ASIMAGE_QUALITY_DEFAULT);	396	100, ASIMAGE_QUALITY_DEFAULT);
515	if (tmp)	397	if (tmp)
516	{	398	{
517	destroy_asimage (&background);	399	destroy_asimage (&background);
…		…
520	}	402	}
521	# endif	403	# endif
522		404
523	ASImage *result = 0;	405	ASImage *result = 0;
524		406
525	int target_width = target->szHint.width;	407	int target_width = szHint.width;
526	int target_height = target->szHint.height;	408	int target_height = szHint.height;
527	int new_pmap_width = target_width;	409	int new_pmap_width = target_width;
528	int new_pmap_height = target_height;	410	int new_pmap_height = target_height;
529		411
530	int x = 0;	412	int x = 0;
531	int y = 0;	413	int y = 0;
…		…
534		416
535	if (original_asim)	417	if (original_asim)
536	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);
537		419
538	if (!original_asim	420	if (!original_asim
539	|| (!(flags & rootAlign)	421	|| (!(bg_flags & BG_ROOT_ALIGN)
540	&& (x >= target_width	422	&& (x >= target_width
541	|| y >= target_height	423	|| y >= target_height
542	|| (x + w <= 0)	424	|| (x + w <= 0)
543	|| (y + h <= 0))))	425	|| (y + h <= 0))))
544	{	426	{
…		…
548	new_pmap_height = background->height;	430	new_pmap_height = background->height;
549	result = background;	431	result = background;
550		432
551	if (background_tint != TINT_LEAVE_SAME)	433	if (background_tint != TINT_LEAVE_SAME)
552	{	434	{
553	ASImage *tmp = tile_asimage (target->asv, background, 0, 0,	435	ASImage *tmp = tile_asimage (asv, background, 0, 0,
554	target_width, target_height, background_tint,	436	target_width, target_height, background_tint,
555	ASA_XImage, 100, ASIMAGE_QUALITY_DEFAULT);	437	ASA_XImage, 100, ASIMAGE_QUALITY_DEFAULT);
556	if (tmp)	438	if (tmp)
557	result = tmp;	439	result = tmp;
558	}	440	}
…		…
565	result = original_asim;	447	result = original_asim;
566		448
567	if ((w != original_asim->width)	449	if ((w != original_asim->width)
568	|| (h != original_asim->height))	450	|| (h != original_asim->height))
569	{	451	{
570	result = scale_asimage (target->asv, original_asim,	452	result = scale_asimage (asv, original_asim,
571	w, h,	453	w, h,
572	background ? ASA_ASImage : ASA_XImage,	454	background ? ASA_ASImage : ASA_XImage,
573	100, ASIMAGE_QUALITY_DEFAULT);	455	100, ASIMAGE_QUALITY_DEFAULT);
574	}	456	}
575		457
…		…
581	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! */
582	new_pmap_width = min (result->width, target_width);	464	new_pmap_width = min (result->width, target_width);
583	new_pmap_height = min (result->height, target_height);	465	new_pmap_height = min (result->height, target_height);
584		466
585	/* we also need to tile our image in both directions */	467	/* we also need to tile our image in both directions */
586	ASImage *tmp = tile_asimage (target->asv, result,	468	ASImage *tmp = tile_asimage (asv, result,
587	(int)result->width - x,	469	(int)result->width - x,
588	(int)result->height - y,	470	(int)result->height - y,
589	new_pmap_width,	471	new_pmap_width,
590	new_pmap_height,	472	new_pmap_height,
591	TINT_LEAVE_SAME, ASA_XImage,	473	TINT_LEAVE_SAME, ASA_XImage,
…		…
634	{	516	{
635	layers[1].dst_y = y;	517	layers[1].dst_y = y;
636	layers[1].clip_height = result->height;	518	layers[1].clip_height = result->height;
637	}	519	}
638		520
639	if (target->rs[Rs_blendtype])	521	if (rs[Rs_blendtype])
640	{	522	{
641	layers[1].merge_scanlines = blend_scanlines_name2func (target->rs[Rs_blendtype]);	523	layers[1].merge_scanlines = blend_scanlines_name2func (rs[Rs_blendtype]);
642	if (layers[1].merge_scanlines == NULL)	524	if (layers[1].merge_scanlines == NULL)
643	layers[1].merge_scanlines = alphablend_scanlines;	525	layers[1].merge_scanlines = alphablend_scanlines;
644	}	526	}
645		527
646	ASImage *tmp = merge_layers (target->asv, layers, 2, target_width, target_height,	528	ASImage *tmp = merge_layers (asv, layers, 2, target_width, target_height,
647	ASA_XImage, 0, ASIMAGE_QUALITY_DEFAULT);	529	ASA_XImage, 0, ASIMAGE_QUALITY_DEFAULT);
648		530
649	if (tmp)	531	if (tmp)
650	{	532	{
651	if (result != original_asim)	533	if (result != original_asim)
…		…
663	if (result)	545	if (result)
664	{	546	{
665	XGCValues gcv;	547	XGCValues gcv;
666	GC gc;	548	GC gc;
667		549
668	if (pixmap)
669	{
670	if (pmap_width != new_pmap_width
671	|| pmap_height != new_pmap_height
672	|| pmap_depth != target->depth)
673	{
674	XFreePixmap (target->dpy, pixmap);
675	pixmap = None;
676	}
677	}
678
679	/* create Pixmap */	550	/* create Pixmap */
680	if (pixmap == None)	551	if (bg_pixmap == None
		552	|| bg_pmap_width != new_pmap_width
		553	|| bg_pmap_height != new_pmap_height)
681	{	554	{
		555	if (bg_pixmap)
		556	XFreePixmap (dpy, bg_pixmap);
682	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);
683	pmap_width = new_pmap_width;	558	bg_pmap_width = new_pmap_width;
684	pmap_height = new_pmap_height;	559	bg_pmap_height = new_pmap_height;
685	pmap_depth = target->depth;
686	}	560	}
687	/* fill with background color (if result's not completely overlapping it) */	561	/* fill with background color (if result's not completely overlapping it) */
688	gcv.foreground = target->pix_colors[Color_bg];	562	gcv.foreground = pix_colors[Color_bg];
689	gc = XCreateGC (target->dpy, target->vt, GCForeground, &gcv);	563	gc = XCreateGC (dpy, vt, GCForeground, &gcv);
690		564
691	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;
692	int dst_width = result->width, dst_height = result->height;	566	int dst_width = result->width, dst_height = result->height;
693	if (background == NULL)	567	if (background == NULL)
694	{	568	{
…		…
699	}	573	}
700		574
701	if (dst_x > 0 || dst_y > 0	575	if (dst_x > 0 || dst_y > 0
702	|| dst_x + dst_width < new_pmap_width	576	|| dst_x + dst_width < new_pmap_width
703	|| dst_y + dst_height < new_pmap_height)	577	|| dst_y + dst_height < new_pmap_height)
704	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);
705	}	579	}
706		580
707	/* put result on pixmap */	581	/* put result on pixmap */
708	if (dst_x < new_pmap_width && dst_y < new_pmap_height)	582	if (dst_x < new_pmap_width && dst_y < new_pmap_height)
709	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);
710		584
711	if (result != background && result != original_asim)	585	if (result != background && result != original_asim)
712	destroy_asimage (&result);	586	destroy_asimage (&result);
713		587
714	XFreeGC (target->dpy, gc);	588	XFreeGC (dpy, gc);
715		589
716	ret = true;	590	ret = true;
717	}	591	}
718		592
719	if (background)	593	if (background)
…		…
723	}	597	}
724	# endif /* HAVE_AFTERIMAGE */	598	# endif /* HAVE_AFTERIMAGE */
725		599
726	# ifdef HAVE_PIXBUF	600	# ifdef HAVE_PIXBUF
727	bool	601	bool
728	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)
729	{	605	{
730	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)
731	return false;	616	return false;
732		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	{
733	if (!pixbuf)	687	if (!pixbuf)
734	return false;	688	return false;
735		689
736	#if !XFT	690	if (tr_flags
737	if (background_flags)	691	&& !(bg_flags & BG_HAS_RENDER))
738	return false;	692	return false;
739	#endif
740		693
741	GdkPixbuf *result;	694	GdkPixbuf *result;
742		695
743	int image_width = gdk_pixbuf_get_width (pixbuf);	696	int image_width = gdk_pixbuf_get_width (pixbuf);
744	int image_height = gdk_pixbuf_get_height (pixbuf);	697	int image_height = gdk_pixbuf_get_height (pixbuf);
745		698
746	int target_width = target->szHint.width;	699	int target_width = szHint.width;
747	int target_height = target->szHint.height;	700	int target_height = szHint.height;
748	int new_pmap_width = target_width;	701	int new_pmap_width = target_width;
749	int new_pmap_height = target_height;	702	int new_pmap_height = target_height;
750		703
751	int x = 0;	704	int x = 0;
752	int y = 0;	705	int y = 0;
753	int w = 0;	706	int w = 0;
754	int h = 0;	707	int h = 0;
755		708
756	get_image_geometry (image_width, image_height, w, h, x, y);	709	get_image_geometry (image_width, image_height, w, h, x, y);
757		710
758	if (!(flags & rootAlign)	711	if (!(bg_flags & BG_ROOT_ALIGN)
759	&& (x >= target_width	712	&& (x >= target_width
760	|| y >= target_height	713	|| y >= target_height
761	|| (x + w <= 0)	714	|| (x + w <= 0)
762	|| (y + h <= 0)))	715	|| (y + h <= 0)))
763	return false;	716	return false;
…		…
770	result = gdk_pixbuf_scale_simple (pixbuf,	723	result = gdk_pixbuf_scale_simple (pixbuf,
771	w, h,	724	w, h,
772	GDK_INTERP_BILINEAR);	725	GDK_INTERP_BILINEAR);
773	}	726	}
774		727
		728	if (!result)
		729	return false;
		730
775	bool ret = false;	731	bool ret = false;
776		732
777	if (result)
778	{
779	XGCValues gcv;	733	XGCValues gcv;
780	GC gc;	734	GC gc;
781	Pixmap root_pmap;	735	Pixmap root_pmap;
782		736
783	image_width = gdk_pixbuf_get_width (result);	737	image_width = gdk_pixbuf_get_width (result);
784	image_height = gdk_pixbuf_get_height (result);	738	image_height = gdk_pixbuf_get_height (result);
785		739
786	if (background_flags)	740	if (tr_flags)
787	{	741	{
788	root_pmap = pixmap;	742	root_pmap = bg_pixmap;
789	pixmap = None;	743	bg_pixmap = None;
		744	}
		745	else
		746	{
		747	if (h_scale == 0 || v_scale == 0)
790	}	748	{
791	else	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	if (bg_pixmap != None)
		766	{
		767	gcv.foreground = pix_colors[Color_bg];
		768	gc = XCreateGC (dpy, vt, GCForeground, &gcv);
		769
		770	if (gc)
792	{	771	{
793	if (h_scale == 0 || v_scale == 0)	772	if (h_scale == 0 || v_scale == 0)
794	{	773	{
795	new_pmap_width = min (image_width, target_width);	774	Pixmap tile = XCreatePixmap (dpy, vt, image_width, image_height, depth);
796	new_pmap_height = min (image_height, target_height);
797	}
798	}
799		775
800	if (pixmap)	776	if (tile != None)
801	{
802	if (pmap_width != new_pmap_width
803	|| pmap_height != new_pmap_height
804	|| pmap_depth != target->depth)
805	{	777	{
806	XFreePixmap (target->dpy, pixmap);	778	pixbuf_to_pixmap (result, tile, gc,
807	pixmap = None;
808	}
809	}
810
811	if (pixmap == None)
812	{
813	pixmap = XCreatePixmap (target->dpy, target->vt, new_pmap_width, new_pmap_height, target->depth);
814	pmap_width = new_pmap_width;
815	pmap_height = new_pmap_height;
816	pmap_depth = target->depth;
817	}
818
819	gcv.foreground = target->pix_colors[Color_bg];
820	gc = XCreateGC (target->dpy, target->vt, GCForeground, &gcv);
821
822	if (h_scale == 0 || v_scale == 0)
823	{
824	Pixmap tile = XCreatePixmap (target->dpy, target->vt, image_width, image_height, target->depth);
825	gdk_pixbuf_xlib_render_to_drawable (result, tile, gc,
826	0, 0,	779	0, 0,
827	0, 0,	780	0, 0,
828	image_width, image_height,	781	image_width, image_height);
829	XLIB_RGB_DITHER_NONE,
830	0, 0);
831		782
832	gcv.tile = tile;	783	gcv.tile = tile;
833	gcv.fill_style = FillTiled;	784	gcv.fill_style = FillTiled;
834	gcv.ts_x_origin = x;	785	gcv.ts_x_origin = x;
835	gcv.ts_y_origin = y;	786	gcv.ts_y_origin = y;
836	XChangeGC (target->dpy, gc, GCFillStyle | GCTile | GCTileStipXOrigin | GCTileStipYOrigin, &gcv);	787	XChangeGC (dpy, gc, GCFillStyle | GCTile | GCTileStipXOrigin | GCTileStipYOrigin, &gcv);
837		788
838	XFillRectangle (target->dpy, pixmap, gc, 0, 0, new_pmap_width, new_pmap_height);	789	XFillRectangle (dpy, bg_pixmap, gc, 0, 0, new_pmap_width, new_pmap_height);
839	XFreePixmap (target->dpy, tile);	790	XFreePixmap (dpy, tile);
		791	}
840	}	792	}
841	else	793	else
842	{	794	{
843	int src_x, src_y, dst_x, dst_y;	795	int src_x, src_y, dst_x, dst_y;
844	int dst_width, dst_height;	796	int dst_width, dst_height;
845		797
846	src_x = make_clip_rectangle (x, image_width , new_pmap_width , dst_x, dst_width );	798	src_x = make_clip_rectangle (x, image_width , new_pmap_width , dst_x, dst_width );
847	src_y = make_clip_rectangle (y, image_height, new_pmap_height, dst_y, dst_height);	799	src_y = make_clip_rectangle (y, image_height, new_pmap_height, dst_y, dst_height);
848		800
849	if (dst_x > 0 || dst_y > 0	801	if (dst_x > 0 || dst_y > 0
850	|| dst_x + dst_width < new_pmap_width	802	|| dst_x + dst_width < new_pmap_width
851	|| dst_y + dst_height < new_pmap_height)	803	|| dst_y + dst_height < new_pmap_height)
852	XFillRectangle (target->dpy, pixmap, gc, 0, 0, new_pmap_width, new_pmap_height);	804	XFillRectangle (dpy, bg_pixmap, gc, 0, 0, new_pmap_width, new_pmap_height);
853		805
854	if (dst_x < new_pmap_width && dst_y < new_pmap_height)	806	if (dst_x < new_pmap_width && dst_y < new_pmap_height)
855	gdk_pixbuf_xlib_render_to_drawable (result, pixmap, gc,	807	pixbuf_to_pixmap (result, bg_pixmap, gc,
856	src_x, src_y,	808	src_x, src_y,
857	dst_x, dst_y,	809	dst_x, dst_y,
858	dst_width, dst_height,	810	dst_width, dst_height);
859	XLIB_RGB_DITHER_NONE,
860	0, 0);
861	}	811	}
862		812
863	#if XFT	813	#if XRENDER
864	if (background_flags)	814	if (tr_flags)
865	{	815	{
866	Display *dpy = target->dpy;
867	XRenderPictureAttributes pa;	816	XRenderPictureAttributes pa;
868		817
869	XRenderPictFormat *src_format = XRenderFindVisualFormat (dpy, DefaultVisual (dpy, target->display->screen));	818	XRenderPictFormat *src_format = XRenderFindVisualFormat (dpy, visual);
870	Picture src = XRenderCreatePicture (dpy, root_pmap, src_format, 0, &pa);	819	Picture src = XRenderCreatePicture (dpy, root_pmap, src_format, 0, &pa);
871		820
872	XRenderPictFormat *dst_format = XRenderFindVisualFormat (dpy, target->visual);	821	XRenderPictFormat *dst_format = XRenderFindVisualFormat (dpy, visual);
873	Picture dst = XRenderCreatePicture (dpy, pixmap, dst_format, 0, &pa);	822	Picture dst = XRenderCreatePicture (dpy, bg_pixmap, dst_format, 0, &pa);
874		823
875	pa.repeat = True;	824	pa.repeat = True;
876	Pixmap mask_pmap = XCreatePixmap (dpy, target->vt, 1, 1, 8);	825	Pixmap mask_pmap = XCreatePixmap (dpy, vt, 1, 1, 8);
877	XRenderPictFormat *mask_format = XRenderFindStandardFormat (dpy, PictStandardA8);	826	XRenderPictFormat *mask_format = XRenderFindStandardFormat (dpy, PictStandardA8);
878	Picture mask = XRenderCreatePicture (dpy, mask_pmap, mask_format, CPRepeat, &pa);	827	Picture mask = XRenderCreatePicture (dpy, mask_pmap, mask_format, CPRepeat, &pa);
879	XFreePixmap (dpy, mask_pmap);	828	XFreePixmap (dpy, mask_pmap);
880		829
881	if (src && dst && mask)	830	if (src && dst && mask)
882	{	831	{
883	XRenderColor mask_c;	832	XRenderColor mask_c;
884		833
885	mask_c.alpha = 0x8000;	834	mask_c.alpha = 0x8000;
886	mask_c.red = 0;	835	mask_c.red = 0;
887	mask_c.green = 0;	836	mask_c.green = 0;
888	mask_c.blue = 0;	837	mask_c.blue = 0;
889	XRenderFillRectangle (dpy, PictOpSrc, mask, &mask_c, 0, 0, 1, 1);	838	XRenderFillRectangle (dpy, PictOpSrc, mask, &mask_c, 0, 0, 1, 1);
890	XRenderComposite (dpy, PictOpOver, src, mask, dst, 0, 0, 0, 0, 0, 0, target_width, target_height);	839	XRenderComposite (dpy, PictOpOver, src, mask, dst, 0, 0, 0, 0, 0, 0, target_width, target_height);
891	}	840	}
892		841
893	XRenderFreePicture (dpy, src);	842	XRenderFreePicture (dpy, src);
894	XRenderFreePicture (dpy, dst);	843	XRenderFreePicture (dpy, dst);
895	XRenderFreePicture (dpy, mask);	844	XRenderFreePicture (dpy, mask);
896
897	XFreePixmap (dpy, root_pmap);
898	}	845	}
899	#endif	846	#endif
900		847
		848	XFreeGC (dpy, gc);
		849
		850	ret = true;
		851	}
		852	}
		853
901	if (result != pixbuf)	854	if (result != pixbuf)
902	g_object_unref (result);	855	g_object_unref (result);
903		856
904	XFreeGC (target->dpy, gc);	857	if (tr_flags)
905		858	XFreePixmap (dpy, root_pmap);
906	ret = true;
907	}
908		859
909	return ret;	860	return ret;
910	}	861	}
911	# endif /* HAVE_PIXBUF */	862	# endif /* HAVE_PIXBUF */
912		863
913	bool	864	bool
914	bgPixmap_t::set_file (const char *file)	865	rxvt_term::bg_set_file (const char *file)
915	{	866	{
916	assert (file);	867	if (!file || !*file)
		868	return false;
917		869
918	if (*file)
919	{
920	if (const char *p = strchr (file, ';'))	870	if (const char *p = strchr (file, ';'))
921	{	871	{
922	size_t len = p - file;	872	size_t len = p - file;
923	char *f = rxvt_temp_buf<char> (len + 1);	873	char *f = rxvt_temp_buf<char> (len + 1);
924	memcpy (f, file, len);	874	memcpy (f, file, len);
925	f[len] = '\0';	875	f[len] = '\0';
926	file = f;	876	file = f;
927	}	877	}
928		878
929	# ifdef HAVE_AFTERIMAGE	879	# ifdef HAVE_AFTERIMAGE
930	if (!target->asimman)	880	if (!asimman)
931	target->asimman = create_generic_imageman (target->rs[Rs_path]);	881	asimman = create_generic_imageman (rs[Rs_path]);
932	ASImage *image = get_asimage (target->asimman, file, 0xFFFFFFFF, 100);	882	ASImage *image = get_asimage (asimman, file, 0xFFFFFFFF, 100);
933	if (image)	883	if (image)
934	{	884	{
935	if (original_asim)	885	if (original_asim)
936	safe_asimage_destroy (original_asim);	886	safe_asimage_destroy (original_asim);
937	original_asim = image;	887	original_asim = image;
938	have_image = true;	888	bg_flags |= BG_IS_FROM_FILE | BG_CLIENT_RENDER;
939	return true;	889	return true;
940	}	890	}
941	# endif	891	# endif
942		892
943	# ifdef HAVE_PIXBUF	893	# ifdef HAVE_PIXBUF
944	GdkPixbuf *image = gdk_pixbuf_new_from_file (file, NULL);	894	GdkPixbuf *image = gdk_pixbuf_new_from_file (file, NULL);
945	if (image)	895	if (image)
946	{	896	{
947	if (pixbuf)	897	if (pixbuf)
948	g_object_unref (pixbuf);	898	g_object_unref (pixbuf);
949	pixbuf = image;	899	pixbuf = image;
950	have_image = true;	900	bg_flags |= BG_IS_FROM_FILE;
951	return true;	901	return true;
952	}	902	}
953	# endif	903	# endif
954	}
955		904
956	return false;	905	return false;
957	}	906	}
958		907
959	# endif /* BG_IMAGE_FROM_FILE */	908	# endif /* BG_IMAGE_FROM_FILE */
960		909
961	# ifdef ENABLE_TRANSPARENCY	910	# ifdef ENABLE_TRANSPARENCY
962	bool	911	bool
963	bgPixmap_t::set_transparent ()	912	rxvt_term::bg_set_transparent ()
964	{	913	{
965	if (!(flags & isTransparent))	914	if (!(bg_flags & BG_IS_TRANSPARENT))
966	{	915	{
967	flags |= isTransparent;	916	bg_flags |= BG_IS_TRANSPARENT;
968	return true;	917	return true;
969	}	918	}
970		919
971	return false;	920	return false;
972	}	921	}
973		922
974	bool	923	bool
975	bgPixmap_t::set_blur_radius (const char *geom)	924	rxvt_term::bg_set_blur (const char *geom)
976	{	925	{
977	int changed = 0;	926	bool changed = false;
978	unsigned int hr, vr;	927	unsigned int hr, vr;
979	int junk;	928	int junk;
980	int geom_flags = XParseGeometry (geom, &junk, &junk, &hr, &vr);	929	int geom_flags = XParseGeometry (geom, &junk, &junk, &hr, &vr);
981		930
982	if (!(geom_flags & WidthValue))	931	if (!(geom_flags & WidthValue))
…		…
987	min_it (hr, 128);	936	min_it (hr, 128);
988	min_it (vr, 128);	937	min_it (vr, 128);
989		938
990	if (h_blurRadius != hr)	939	if (h_blurRadius != hr)
991	{	940	{
992	++changed;	941	changed = true;
993	h_blurRadius = hr;	942	h_blurRadius = hr;
994	}	943	}
995		944
996	if (v_blurRadius != vr)	945	if (v_blurRadius != vr)
997	{	946	{
998	++changed;	947	changed = true;
999	v_blurRadius = vr;	948	v_blurRadius = vr;
1000	}	949	}
1001		950
1002	if (v_blurRadius == 0 && h_blurRadius == 0)	951	if (v_blurRadius == 0 && h_blurRadius == 0)
1003	flags &= ~blurNeeded;	952	bg_flags &= ~BG_NEEDS_BLUR;
1004	else	953	else
1005	flags |= blurNeeded;	954	bg_flags |= BG_NEEDS_BLUR;
1006		955
1007	#if XFT
1008	XFilters *filters = XRenderQueryFilters (target->dpy, target->display->root);
1009	if (filters)
1010	{
1011	for (int i = 0; i < filters->nfilter; i++)
1012	if (!strcmp (filters->filter[i], FilterConvolution))
1013	flags |= bgPixmap_t::blurServerSide;
1014
1015	XFree (filters);
1016	}
1017	#endif
1018
1019	return (changed > 0);	956	return changed;
1020	}	957	}
1021		958
1022	static inline unsigned long	959	void
1023	compute_tint_shade_flags (rxvt_color *tint, int shade)	960	rxvt_term::set_tint_shade_flags ()
1024	{	961	{
1025	unsigned long flags = 0;
1026	rgba c (rgba::MAX_CC,rgba::MAX_CC,rgba::MAX_CC);	962	rgba c (rgba::MAX_CC,rgba::MAX_CC,rgba::MAX_CC);
1027	bool has_shade = shade != 100;	963	bool has_shade = shade != 100;
1028		964
1029	if (tint)	965	bg_flags &= ~BG_TINT_FLAGS;
		966
		967	if (bg_flags & BG_TINT_SET)
1030	{	968	{
1031	tint->get (c);	969	tint.get (c);
1032	# define IS_COMPONENT_WHOLESOME(cmp) ((cmp) <= 0x000700 || (cmp) >= 0x00f700)
1033	if (!has_shade && IS_COMPONENT_WHOLESOME (c.r)
1034	&& IS_COMPONENT_WHOLESOME (c.g)
1035	&& IS_COMPONENT_WHOLESOME (c.b))
1036	flags |= bgPixmap_t::tintWholesome;
1037	# undef IS_COMPONENT_WHOLESOME
1038	}
1039
1040	if (has_shade)	970	if (!has_shade
1041	flags |= bgPixmap_t::tintNeeded;	971	&& (c.r <= 0x00ff || c.r >= 0xff00)
1042	else if (tint)	972	&& (c.g <= 0x00ff || c.g >= 0xff00)
		973	&& (c.b <= 0x00ff || c.b >= 0xff00))
		974	bg_flags |= BG_TINT_BITAND;
1043	{	975	}
1044	if ((c.r > 0x000700 || c.g > 0x000700 || c.b > 0x000700)
1045	&& (c.r < 0x00f700 || c.g < 0x00f700 || c.b < 0x00f700))
1046	{
1047	flags |= bgPixmap_t::tintNeeded;
1048	}
1049	}
1050		976
1051	if (flags & bgPixmap_t::tintNeeded)	977	if (has_shade || (bg_flags & BG_TINT_SET))
1052	{	978	bg_flags |= BG_NEEDS_TINT;
1053	if (flags & bgPixmap_t::tintWholesome)
1054	flags |= bgPixmap_t::tintServerSide;
1055	else
1056	{
1057	#if XFT
1058	flags |= bgPixmap_t::tintServerSide;
1059	#endif
1060	}
1061	}
1062
1063	return flags;
1064	}	979	}
1065		980
1066	bool	981	bool
1067	bgPixmap_t::set_tint (rxvt_color &new_tint)	982	rxvt_term::bg_set_tint (rxvt_color &new_tint)
1068	{	983	{
1069	if (!(flags & tintSet) || tint != new_tint)	984	if (!(bg_flags & BG_TINT_SET) || tint != new_tint)
1070	{	985	{
1071	unsigned long new_flags = compute_tint_shade_flags (&new_tint, shade);
1072	tint = new_tint;	986	tint = new_tint;
1073	flags = (flags & ~tintFlags) | new_flags | tintSet;	987	bg_flags |= BG_TINT_SET;
		988	set_tint_shade_flags ();
1074	return true;	989	return true;
1075	}	990	}
1076		991
1077	return false;	992	return false;
1078	}	993	}
1079		994
1080	bool	995	bool
1081	bgPixmap_t::unset_tint ()
1082	{
1083	unsigned long new_flags = compute_tint_shade_flags (NULL, shade);
1084
1085	if (new_flags != (flags & tintFlags))
1086	{
1087	flags = (flags & ~tintFlags) | new_flags;
1088	return true;
1089	}
1090
1091	return false;
1092	}
1093
1094	bool
1095	bgPixmap_t::set_shade (const char *shade_str)	996	rxvt_term::bg_set_shade (const char *shade_str)
1096	{	997	{
1097	int new_shade = (shade_str) ? atoi (shade_str) : 100;	998	int new_shade = (shade_str) ? atoi (shade_str) : 100;
1098		999
1099	clamp_it (new_shade, -100, 200);	1000	clamp_it (new_shade, -100, 200);
1100	if (new_shade < 0)	1001	if (new_shade < 0)
1101	new_shade = 200 - (100 + new_shade);	1002	new_shade = 200 - (100 + new_shade);
1102		1003
1103	if (new_shade != shade)	1004	if (new_shade != shade)
1104	{	1005	{
1105	unsigned long new_flags = compute_tint_shade_flags ((flags & tintSet) ? &tint : NULL, new_shade);
1106	shade = new_shade;	1006	shade = new_shade;
1107	flags = (flags & (~tintFlags | tintSet)) | new_flags;	1007	set_tint_shade_flags ();
1108	return true;	1008	return true;
1109	}	1009	}
1110		1010
1111	return false;	1011	return false;
1112	}	1012	}
1113		1013
1114	#if XFT	1014	#if XRENDER
1115	static void	1015	static void
1116	get_gaussian_kernel (int radius, int width, double *kernel, XFixed *params)	1016	get_gaussian_kernel (int radius, int width, double *kernel, XFixed *params)
1117	{	1017	{
1118	double sigma = radius / 2.0;	1018	double sigma = radius / 2.0;
1119	double scale = sqrt (2.0 * M_PI) * sigma;	1019	double scale = sqrt (2.0 * M_PI) * sigma;
…		…
1133	params[i+2] = XDoubleToFixed (kernel[i] / sum);	1033	params[i+2] = XDoubleToFixed (kernel[i] / sum);
1134	}	1034	}
1135	#endif	1035	#endif
1136		1036
1137	bool	1037	bool
1138	bgPixmap_t::blur_pixmap (Pixmap pixmap, Visual *visual, int width, int height)	1038	rxvt_term::blur_pixmap (Pixmap pixmap, Visual *visual, int width, int height)
1139	{	1039	{
1140	bool ret = false;	1040	bool ret = false;
1141	#if XFT	1041	#if XRENDER
1142	int size = max (h_blurRadius, v_blurRadius) * 2 + 1;	1042	int size = max (h_blurRadius, v_blurRadius) * 2 + 1;
1143	double *kernel = (double *)malloc (size * sizeof (double));	1043	double *kernel = (double *)malloc (size * sizeof (double));
1144	XFixed *params = (XFixed *)malloc ((size + 2) * sizeof (XFixed));	1044	XFixed *params = (XFixed *)malloc ((size + 2) * sizeof (XFixed));
1145		1045
1146	Display *dpy = target->dpy;
1147	XRenderPictureAttributes pa;	1046	XRenderPictureAttributes pa;
1148	XRenderPictFormat *format = XRenderFindVisualFormat (dpy, visual);	1047	XRenderPictFormat *format = XRenderFindVisualFormat (dpy, visual);
1149		1048
1150	Picture src = XRenderCreatePicture (dpy, pixmap, format, 0, &pa);	1049	Picture src = XRenderCreatePicture (dpy, pixmap, format, 0, &pa);
1151	Picture dst = XRenderCreatePicture (dpy, pixmap, format, 0, &pa);	1050	Picture dst = XRenderCreatePicture (dpy, pixmap, format, 0, &pa);
…		…
1171		1070
1172	if (v_blurRadius)	1071	if (v_blurRadius)
1173	{	1072	{
1174	size = v_blurRadius * 2 + 1;	1073	size = v_blurRadius * 2 + 1;
1175	get_gaussian_kernel (v_blurRadius, size, kernel, params);	1074	get_gaussian_kernel (v_blurRadius, size, kernel, params);
1176	swap (params[0], params[1]);	1075	::swap (params[0], params[1]);
1177		1076
1178	XRenderSetPictureFilter (dpy, src, FilterConvolution, params, size+2);	1077	XRenderSetPictureFilter (dpy, src, FilterConvolution, params, size+2);
1179	XRenderComposite (dpy,	1078	XRenderComposite (dpy,
1180	PictOpSrc,	1079	PictOpSrc,
1181	src,	1080	src,
…		…
1197	#endif	1096	#endif
1198	return ret;	1097	return ret;
1199	}	1098	}
1200		1099
1201	bool	1100	bool
1202	bgPixmap_t::tint_pixmap (Pixmap pixmap, Visual *visual, int width, int height)	1101	rxvt_term::tint_pixmap (Pixmap pixmap, Visual *visual, int width, int height)
1203	{	1102	{
1204	Display *dpy = target->dpy;
1205	bool ret = false;	1103	bool ret = false;
1206		1104
1207	if (flags & tintWholesome)	1105	if (bg_flags & BG_TINT_BITAND)
1208	{	1106	{
1209	XGCValues gcv;	1107	XGCValues gcv;
1210	GC gc;	1108	GC gc;
1211		1109
1212	/* In this case we can tint image server-side getting significant	1110	/* In this case we can tint image server-side getting significant
…		…
1223	XFreeGC (dpy, gc);	1121	XFreeGC (dpy, gc);
1224	}	1122	}
1225	}	1123	}
1226	else	1124	else
1227	{	1125	{
1228	# if XFT	1126	# if XRENDER
1229	rgba c (rgba::MAX_CC,rgba::MAX_CC,rgba::MAX_CC);	1127	rgba c (rgba::MAX_CC, rgba::MAX_CC, rgba::MAX_CC);
1230		1128
1231	if (flags & tintSet)	1129	if (bg_flags & BG_TINT_SET)
1232	tint.get (c);	1130	tint.get (c);
1233		1131
1234	if (shade <= 100)	1132	if (shade <= 100)
1235	{	1133	{
1236	c.r = (c.r * shade) / 100;	1134	c.r = c.r * shade / 100;
1237	c.g = (c.g * shade) / 100;	1135	c.g = c.g * shade / 100;
1238	c.b = (c.b * shade) / 100;	1136	c.b = c.b * shade / 100;
1239	}	1137	}
1240	else	1138	else
1241	{	1139	{
1242	c.r = ((0xffff - c.r) * (200 - shade)) / 100;	1140	c.r = c.r * (200 - shade) / 100;
1243	c.g = ((0xffff - c.g) * (200 - shade)) / 100;	1141	c.g = c.g * (200 - shade) / 100;
1244	c.b = ((0xffff - c.b) * (200 - shade)) / 100;	1142	c.b = c.b * (200 - shade) / 100;
1245	}	1143	}
1246		1144
1247	XRenderPictFormat *solid_format = XRenderFindStandardFormat (dpy, PictStandardARGB32);	1145	XRenderPictFormat *solid_format = XRenderFindStandardFormat (dpy, PictStandardARGB32);
1248	XRenderPictFormat *format = XRenderFindVisualFormat (dpy, visual);	1146	XRenderPictFormat *format = XRenderFindVisualFormat (dpy, visual);
1249	XRenderPictureAttributes pa;	1147	XRenderPictureAttributes pa;
…		…
1256	Picture overlay_pic = XRenderCreatePicture (dpy, overlay_pmap, solid_format, CPRepeat, &pa);	1154	Picture overlay_pic = XRenderCreatePicture (dpy, overlay_pmap, solid_format, CPRepeat, &pa);
1257	XFreePixmap (dpy, overlay_pmap);	1155	XFreePixmap (dpy, overlay_pmap);
1258		1156
1259	pa.component_alpha = True;	1157	pa.component_alpha = True;
1260	Pixmap mask_pmap = XCreatePixmap (dpy, pixmap, 1, 1, 32);	1158	Pixmap mask_pmap = XCreatePixmap (dpy, pixmap, 1, 1, 32);
1261	Picture mask_pic = XRenderCreatePicture (dpy, mask_pmap, solid_format, CPRepeat|CPComponentAlpha, &pa);	1159	Picture mask_pic = XRenderCreatePicture (dpy, mask_pmap, solid_format, CPRepeat | CPComponentAlpha, &pa);
1262	XFreePixmap (dpy, mask_pmap);	1160	XFreePixmap (dpy, mask_pmap);
1263		1161
1264	if (mask_pic && overlay_pic && back_pic)	1162	if (mask_pic && overlay_pic && back_pic)
1265	{	1163	{
1266	XRenderColor mask_c;	1164	XRenderColor mask_c;
1267		1165
1268	memset (&mask_c, (shade > 100) ? 0xFF : 0x0, sizeof (mask_c));
1269	mask_c.alpha = 0xffff;	1166	mask_c.alpha = 0xffff;
		1167	mask_c.red =
		1168	mask_c.green =
		1169	mask_c.blue = 0;
1270	XRenderFillRectangle (dpy, PictOpSrc, overlay_pic, &mask_c, 0, 0, 1, 1);	1170	XRenderFillRectangle (dpy, PictOpSrc, overlay_pic, &mask_c, 0, 0, 1, 1);
1271		1171
1272	mask_c.alpha = 0;	1172	mask_c.alpha = 0;
1273	mask_c.red = 0xffff - c.r;	1173	mask_c.red = 0xffff - c.r;
1274	mask_c.green = 0xffff - c.g;	1174	mask_c.green = 0xffff - c.g;
1275	mask_c.blue = 0xffff - c.b;	1175	mask_c.blue = 0xffff - c.b;
1276	XRenderFillRectangle (dpy, PictOpSrc, mask_pic, &mask_c, 0, 0, 1, 1);	1176	XRenderFillRectangle (dpy, PictOpSrc, mask_pic, &mask_c, 0, 0, 1, 1);
1277	XRenderComposite (dpy, PictOpOver, overlay_pic, mask_pic, back_pic, 0, 0, 0, 0, 0, 0, width, height);	1177	XRenderComposite (dpy, PictOpOver, overlay_pic, mask_pic, back_pic, 0, 0, 0, 0, 0, 0, width, height);
		1178
		1179	if (shade > 100)
		1180	{
		1181	mask_c.red = mask_c.green = mask_c.blue = 0xffff * (shade - 100) / 100;
		1182	mask_c.alpha = 0;
		1183	XRenderFillRectangle (dpy, PictOpSrc, overlay_pic, &mask_c, 0, 0, 1, 1);
		1184
		1185	XRenderComposite (dpy, PictOpOver, overlay_pic, None, back_pic, 0, 0, 0, 0, 0, 0, width, height);
		1186	}
		1187
1278	ret = true;	1188	ret = true;
1279	}	1189	}
1280		1190
1281	XRenderFreePicture (dpy, mask_pic);	1191	XRenderFreePicture (dpy, mask_pic);
1282	XRenderFreePicture (dpy, overlay_pic);	1192	XRenderFreePicture (dpy, overlay_pic);
…		…
1285	}	1195	}
1286		1196
1287	return ret;	1197	return ret;
1288	}	1198	}
1289		1199
1290	/* make_transparency_pixmap()	1200	/*
1291	* Builds a pixmap sized the same as terminal window, with depth same as the root window	1201	* Builds a pixmap of the same size as the terminal window that contains
1292	* that pixmap contains tiled portion of the root pixmap that is supposed to be covered by	1202	* the tiled portion of the root pixmap that is supposed to be covered by
1293	* our window.	1203	* our window.
1294	*/	1204	*/
1295	unsigned long	1205	unsigned long
1296	bgPixmap_t::make_transparency_pixmap ()	1206	rxvt_term::make_transparency_pixmap ()
1297	{	1207	{
1298	unsigned long result = 0;	1208	unsigned long result = 0;
1299
1300	if (target == NULL)
1301	return 0;
1302		1209
1303	/* root dimensions may change from call to call - but Display structure should	1210	/* root dimensions may change from call to call - but Display structure should
1304	* be always up-to-date, so let's use it :	1211	* be always up-to-date, so let's use it :
1305	*/	1212	*/
1306	Window root = target->display->root;
1307	int screen = target->display->screen;	1213	int screen = display->screen;
1308	Display *dpy = target->dpy;	1214	int root_depth = DefaultDepth (dpy, screen);
1309	int root_width = DisplayWidth (dpy, screen);	1215	int root_width = DisplayWidth (dpy, screen);
1310	int root_height = DisplayHeight (dpy, screen);	1216	int root_height = DisplayHeight (dpy, screen);
1311	unsigned int root_pmap_width, root_pmap_height;	1217	unsigned int root_pmap_width, root_pmap_height;
1312	int window_width = target->szHint.width;	1218	int window_width = szHint.width;
1313	int window_height = target->szHint.height;	1219	int window_height = szHint.height;
1314	int sx, sy;	1220	int sx, sy;
1315	XGCValues gcv;	1221	XGCValues gcv;
1316	GC gc;	1222	GC gc;
1317		1223
1318	target->get_window_origin (sx, sy);	1224	sx = target_x;
		1225	sy = target_y;
1319		1226
1320	/* check if we are outside of the visible part of the virtual screen : */	1227	/* check if we are outside of the visible part of the virtual screen : */
1321	if (sx + window_width <= 0 || sy + window_height <= 0	1228	if (sx + window_width <= 0 || sy + window_height <= 0
1322	|| sx >= root_width || sy >= root_height)	1229	|| sx >= root_width || sy >= root_height)
1323	return 0;	1230	return 0;
1324		1231
		1232	// validate root pixmap and get its size
1325	if (root_pixmap != None)	1233	if (root_pixmap != None)
1326	{	1234	{
1327	/* we want to validate the pixmap and get its size at the same time : */	1235	Window wdummy;
1328	int junk;	1236	int idummy;
1329	unsigned int ujunk;	1237	unsigned int udummy;
1330	/* root pixmap may be bad - allow a error */	1238
1331	target->allowedxerror = -1;	1239	allowedxerror = -1;
1332		1240
1333	if (!XGetGeometry (dpy, root_pixmap, &root, &junk, &junk, &root_pmap_width, &root_pmap_height, &ujunk, &ujunk))	1241	if (!XGetGeometry (dpy, root_pixmap, &wdummy, &idummy, &idummy, &root_pmap_width, &root_pmap_height, &udummy, &udummy))
1334	root_pixmap = None;	1242	root_pixmap = None;
1335		1243
1336	target->allowedxerror = 0;	1244	allowedxerror = 0;
1337	}
1338
1339	if (root_pixmap == None)
1340	return 0;
1341
1342	Pixmap tiled_root_pmap = XCreatePixmap (dpy, root, window_width, window_height, root_depth);
1343
1344	if (tiled_root_pmap == None) /* something really bad happened - abort */
1345	return 0;
1346
1347	/* straightforward pixmap copy */
1348	gcv.tile = root_pixmap;
1349	gcv.fill_style = FillTiled;
1350
1351	while (sx < 0) sx += (int)root_width;
1352	while (sy < 0) sy += (int)root_height;
1353
1354	gcv.ts_x_origin = -sx;
1355	gcv.ts_y_origin = -sy;
1356	gc = XCreateGC (dpy, root, GCFillStyle | GCTile | GCTileStipXOrigin | GCTileStipYOrigin, &gcv);
1357
1358	if (gc)
1359	{	1245	}
1360	XFillRectangle (dpy, tiled_root_pmap, gc, 0, 0, window_width, window_height);	1246
1361	result |= transpPmapTiled;	1247	Pixmap recoded_root_pmap = root_pixmap;
1362	XFreeGC (dpy, gc);	1248
		1249	if (root_pixmap != None && root_depth != depth)
1363	}	1250	{
1364		1251	#if XRENDER
1365	if (tiled_root_pmap != None)	1252	if (bg_flags & BG_HAS_RENDER)
1366	{
1367	if (!need_client_side_rendering ())
1368	{
1369	if (flags & (blurNeeded | blurServerSide))
1370	{	1253	{
1371	if (blur_pixmap (tiled_root_pmap, DefaultVisual (dpy, screen), window_width, window_height))	1254	recoded_root_pmap = XCreatePixmap (dpy, vt, root_pmap_width, root_pmap_height, depth);
1372	result |= transpPmapBlurred;	1255
		1256	if (recoded_root_pmap != None)
1373	}	1257	{
1374	if (flags & (tintNeeded | tintServerSide))	1258	XRenderPictureAttributes pa;
1375	{
1376	if (tint_pixmap (tiled_root_pmap, DefaultVisual (dpy, screen), window_width, window_height))
1377	result |= transpPmapTinted;
1378	}
1379	} /* server side rendering completed */
1380		1259
1381	if (pixmap)	1260	XRenderPictFormat *src_format = XRenderFindVisualFormat (dpy, DefaultVisual (dpy, screen));
1382	XFreePixmap (dpy, pixmap);	1261	Picture src = XRenderCreatePicture (dpy, root_pixmap, src_format, 0, &pa);
1383		1262
1384	pixmap = tiled_root_pmap;	1263	XRenderPictFormat *dst_format = XRenderFindVisualFormat (dpy, visual);
1385	pmap_width = window_width;	1264	Picture dst = XRenderCreatePicture (dpy, recoded_root_pmap, dst_format, 0, &pa);
1386	pmap_height = window_height;
1387	pmap_depth = root_depth;
1388	}
1389		1265
1390	return result;	1266	if (src && dst)
1391	}	1267	XRenderComposite (dpy, PictOpSrc, src, None, dst, 0, 0, 0, 0, 0, 0, root_pmap_width, root_pmap_height);
1392
1393	bool
1394	bgPixmap_t::set_root_pixmap ()
1395	{
1396	Pixmap new_root_pixmap = target->get_pixmap_property (XA_XROOTPMAP_ID);
1397	if (new_root_pixmap == None)
1398	new_root_pixmap = target->get_pixmap_property (XA_ESETROOT_PMAP_ID);
1399
1400	if (new_root_pixmap != root_pixmap)
1401	{
1402	root_pixmap = new_root_pixmap;
1403	return true;
1404	}
1405
1406	return false;
1407	}
1408	# endif /* ENABLE_TRANSPARENCY */
1409
1410	# ifndef HAVE_AFTERIMAGE
1411	static void ShadeXImage(Visual *visual, XImage *srcImage, int shade, int rm, int gm, int bm);
1412	# endif
1413
1414	bool
1415	bgPixmap_t::render ()
1416	{
1417	unsigned long background_flags = 0;
1418
1419	if (target == NULL)
1420	return false;
1421
1422	invalidate ();
1423	# ifdef ENABLE_TRANSPARENCY
1424	if (flags & isTransparent)
1425	{
1426	/* we need to re-generate transparency pixmap in that case ! */
1427	background_flags = make_transparency_pixmap ();
1428	if (background_flags == 0)
1429	return false;
1430	else if ((background_flags & transpTransformations) == (flags & transpTransformations)
1431	&& pmap_depth == target->depth)
1432	flags = flags & ~isInvalid;
1433	}
1434	# endif
1435
1436	# ifdef BG_IMAGE_FROM_FILE
1437	if (have_image
1438	|| (background_flags & transpTransformations) != (flags & transpTransformations))
1439	{
1440	if (render_image (background_flags))
1441	flags = flags & ~isInvalid;
1442	}
1443	# endif
1444
1445	XImage *result = NULL;
1446
1447	if (background_flags && (flags & isInvalid))
1448	{
1449	result = XGetImage (target->dpy, pixmap, 0, 0, pmap_width, pmap_height, AllPlanes, ZPixmap);
1450	}
1451
1452	if (result)
1453	{
1454	# if !defined(HAVE_AFTERIMAGE) && !XFT
1455	/* our own client-side tinting */
1456	/* ATTENTION: We ASSUME that XFT will let us do all the tinting necessary server-side.
1457	This may need to be changed in need_client_side_rendering() logic is altered !!! */
1458	if (!(background_flags & transpPmapTinted) && (flags & tintNeeded))
1459	{
1460	rgba c (rgba::MAX_CC,rgba::MAX_CC,rgba::MAX_CC);
1461	if (flags & tintSet)
1462	tint.get (c);
1463	ShadeXImage (DefaultVisual (target->dpy, target->display->screen), result, shade, c.r, c.g, c.b);
1464	}
1465	# endif
1466
1467	GC gc = XCreateGC (target->dpy, target->vt, 0UL, NULL);
1468
1469	if (gc)
1470	{
1471	if (/*pmap_depth != target->depth &&*/ pixmap != None)
1472	{
1473	XFreePixmap (target->dpy, pixmap);
1474	pixmap = None;
1475	}
1476
1477	if (pixmap == None)
1478	{
1479	pixmap = XCreatePixmap (target->dpy, target->vt, result->width, result->height, target->depth);
1480	pmap_width = result->width;
1481	pmap_height = result->height;
1482	pmap_depth = target->depth;
1483	}
1484
1485	if (pmap_depth != result->depth)
1486	{
1487	/* Bad Match error will ensue ! stupid X !!!! */
1488	if (result->depth == 24 && pmap_depth == 32)
1489	result->depth = 32;
1490	else if (result->depth == 32 && pmap_depth == 24)
1491	result->depth = 24;
1492	else	1268	else
1493	{	1269	{
1494	/* TODO: implement image recoding */	1270	XFreePixmap (dpy, recoded_root_pmap);
		1271	recoded_root_pmap = None;
1495	}	1272	}
		1273
		1274	XRenderFreePicture (dpy, src);
		1275	XRenderFreePicture (dpy, dst);
		1276	}
		1277	}
		1278	else
		1279	#endif
		1280	recoded_root_pmap = None;
		1281	}
		1282
		1283	if (recoded_root_pmap == None)
		1284	return 0;
		1285
		1286	if (bg_pixmap == None
		1287	|| bg_pmap_width != window_width
		1288	|| bg_pmap_height != window_height)
		1289	{
		1290	if (bg_pixmap)
		1291	XFreePixmap (dpy, bg_pixmap);
		1292	bg_pixmap = XCreatePixmap (dpy, vt, window_width, window_height, depth);
		1293	bg_pmap_width = window_width;
		1294	bg_pmap_height = window_height;
		1295	}
		1296
		1297	if (bg_pixmap != None)
		1298	{
		1299	/* straightforward pixmap copy */
		1300	while (sx < 0) sx += root_width;
		1301	while (sy < 0) sy += root_height;
		1302
		1303	gcv.tile = recoded_root_pmap;
		1304	gcv.fill_style = FillTiled;
		1305	gcv.ts_x_origin = -sx;
		1306	gcv.ts_y_origin = -sy;
		1307	gc = XCreateGC (dpy, vt, GCFillStyle | GCTile | GCTileStipXOrigin | GCTileStipYOrigin, &gcv);
		1308
		1309	if (gc)
		1310	{
		1311	XFillRectangle (dpy, bg_pixmap, gc, 0, 0, window_width, window_height);
		1312	result |= BG_IS_VALID | (bg_flags & BG_EFFECTS_FLAGS);
		1313	XFreeGC (dpy, gc);
		1314
		1315	if (!(bg_flags & BG_CLIENT_RENDER))
1496	}	1316	{
		1317	if ((bg_flags & BG_NEEDS_BLUR)
		1318	&& (bg_flags & BG_HAS_RENDER_CONV))
		1319	{
		1320	if (blur_pixmap (bg_pixmap, visual, window_width, window_height))
		1321	result &= ~BG_NEEDS_BLUR;
		1322	}
		1323	if ((bg_flags & BG_NEEDS_TINT)
		1324	&& (bg_flags & (BG_TINT_BITAND | BG_HAS_RENDER)))
		1325	{
		1326	if (tint_pixmap (bg_pixmap, visual, window_width, window_height))
		1327	result &= ~BG_NEEDS_TINT;
		1328	}
		1329	} /* server side rendering completed */
		1330	}
		1331	}
1497		1332
1498	if (pmap_depth == result->depth)	1333	if (recoded_root_pmap != root_pixmap)
		1334	XFreePixmap (dpy, recoded_root_pmap);
		1335
		1336	return result;
		1337	}
		1338
		1339	void
		1340	rxvt_term::bg_set_root_pixmap ()
		1341	{
		1342	Pixmap new_root_pixmap = get_pixmap_property (xa[XA_XROOTPMAP_ID]);
		1343	if (new_root_pixmap == None)
		1344	new_root_pixmap = get_pixmap_property (xa[XA_ESETROOT_PMAP_ID]);
		1345
		1346	root_pixmap = new_root_pixmap;
		1347	}
		1348	# endif /* ENABLE_TRANSPARENCY */
		1349
		1350	#if defined(ENABLE_TRANSPARENCY) && !defined(HAVE_AFTERIMAGE)
		1351	static void shade_ximage (Visual *visual, XImage *ximage, int shade, const rgba &c);
		1352	# endif
		1353
		1354	bool
		1355	rxvt_term::bg_render ()
		1356	{
		1357	unsigned long tr_flags = 0;
		1358
		1359	bg_invalidate ();
		1360	# ifdef ENABLE_TRANSPARENCY
		1361	if (bg_flags & BG_IS_TRANSPARENT)
		1362	{
		1363	/* we need to re-generate transparency pixmap in that case ! */
		1364	tr_flags = make_transparency_pixmap ();
		1365	if (tr_flags == 0)
		1366	return false;
		1367	else if (!(tr_flags & BG_EFFECTS_FLAGS))
		1368	bg_flags |= BG_IS_VALID;
		1369	}
		1370	# endif
		1371
		1372	# ifdef BG_IMAGE_FROM_FILE
		1373	if ((bg_flags & BG_IS_FROM_FILE)
		1374	|| (tr_flags & BG_EFFECTS_FLAGS))
		1375	{
		1376	if (render_image (tr_flags))
		1377	bg_flags |= BG_IS_VALID;
		1378	}
		1379	# endif
		1380
		1381	# if defined(ENABLE_TRANSPARENCY) && !defined(HAVE_AFTERIMAGE)
		1382	XImage *result = NULL;
		1383
		1384	if (tr_flags && !(bg_flags & BG_IS_VALID))
		1385	{
		1386	result = XGetImage (dpy, bg_pixmap, 0, 0, bg_pmap_width, bg_pmap_height, AllPlanes, ZPixmap);
		1387	}
		1388
		1389	if (result)
		1390	{
		1391	/* our own client-side tinting */
		1392	if (tr_flags & BG_NEEDS_TINT)
		1393	{
		1394	rgba c (rgba::MAX_CC,rgba::MAX_CC,rgba::MAX_CC);
		1395	if (bg_flags & BG_TINT_SET)
		1396	tint.get (c);
		1397	shade_ximage (DefaultVisual (dpy, display->screen), result, shade, c);
		1398	}
		1399
		1400	GC gc = XCreateGC (dpy, vt, 0UL, NULL);
		1401
		1402	if (gc)
		1403	{
1499	XPutImage (target->dpy, pixmap, gc, result, 0, 0, 0, 0, result->width, result->height);	1404	XPutImage (dpy, bg_pixmap, gc, result, 0, 0, 0, 0, result->width, result->height);
1500		1405
1501	XFreeGC (target->dpy, gc);	1406	XFreeGC (dpy, gc);
1502	flags = flags & ~isInvalid;	1407	bg_flags |= BG_IS_VALID;
1503	}	1408	}
1504		1409
1505	XDestroyImage (result);	1410	XDestroyImage (result);
1506	}	1411	}
		1412	# endif
1507		1413
1508	if (flags & isInvalid)	1414	if (!(bg_flags & BG_IS_VALID))
1509	{	1415	{
1510	if (pixmap != None)	1416	if (bg_pixmap != None)
1511	{	1417	{
1512	XFreePixmap (target->dpy, pixmap);	1418	XFreePixmap (dpy, bg_pixmap);
1513	pixmap = None;	1419	bg_pixmap = None;
1514	}	1420	}
1515	}	1421	}
1516		1422
1517	apply ();	1423	scr_recolour (false);
		1424	bg_flags |= BG_NEEDS_REFRESH;
1518		1425
1519	valid_since = ev::now ();	1426	bg_valid_since = ev::now ();
1520		1427
1521	return true;	1428	return true;
1522	}	1429	}
1523		1430
1524	bool
1525	bgPixmap_t::set_target (rxvt_term *new_target)
1526	{
1527	if (new_target)
1528	if (target != new_target)
1529	{
1530	target = new_target;
1531	# ifdef ENABLE_TRANSPARENCY
1532	root_depth = DefaultDepthOfScreen (ScreenOfDisplay (target->dpy, target->display->screen));
1533	# endif
1534	return true;
1535	}
1536
1537	return false;
1538	}
1539
1540	void	1431	void
1541	bgPixmap_t::apply ()	1432	rxvt_term::bg_init ()
1542	{	1433	{
1543	if (target)
1544	{
1545	flags &= ~isVtOrigin;
1546
1547	if (pixmap != None)
1548	{
1549	/* set target's background to pixmap */
1550	# ifdef ENABLE_TRANSPARENCY	1434	#ifdef ENABLE_TRANSPARENCY
1551	if (flags & isTransparent)	1435	shade = 100;
1552	{
1553	XSetWindowBackgroundPixmap (target->dpy, target->parent[0], pixmap);
1554	XSetWindowBackgroundPixmap (target->dpy, target->vt, ParentRelative);
1555
1556	if (target->scrollBar.win)
1557	XSetWindowBackgroundPixmap (target->dpy, target->scrollBar.win, ParentRelative);
1558	}
1559	else
1560	# endif	1436	#endif
1561	{
1562	flags |= isVtOrigin;
1563	/* force old pixmap dereference in case it was transparent before :*/
1564	XSetWindowBackground (target->dpy, target->parent[0], target->pix_colors[Color_border]);
1565	XSetWindowBackgroundPixmap (target->dpy, target->vt, pixmap);
1566	/* do we also need to set scrollbar's background here ? */
1567		1437
1568	if (target->scrollBar.win)	1438	bg_flags &= ~(BG_HAS_RENDER | BG_HAS_RENDER_CONV);
1569	XSetWindowBackground (target->dpy, target->scrollBar.win, target->pix_colors[Color_border]);	1439	#if XRENDER
1570	}	1440	int major, minor;
1571	}	1441	if (XRenderQueryVersion (dpy, &major, &minor))
1572	else	1442	bg_flags |= BG_HAS_RENDER;
1573	{	1443	XFilters *filters = XRenderQueryFilters (dpy, vt);
1574	/* set target background to a pixel */	1444	if (filters)
1575	XSetWindowBackground (target->dpy, target->parent[0], target->pix_colors[Color_border]);
1576	XSetWindowBackground (target->dpy, target->vt, target->pix_colors[Color_bg]);
1577	/* do we also need to set scrollbar's background here ? */
1578	if (target->scrollBar.win)
1579	XSetWindowBackground (target->dpy, target->scrollBar.win, target->pix_colors[Color_border]);
1580	}
1581
1582	/* don't want Expose on the parent or vt. It is better to use
1583	scr_touch or we get a great deal of flicker otherwise: */
1584	XClearWindow (target->dpy, target->parent[0]);
1585
1586	if (target->scrollBar.state && target->scrollBar.win)
1587	{
1588	target->scrollBar.state = STATE_IDLE;
1589	target->scrollBar.show (0);
1590	}
1591
1592	target->want_refresh = 1;
1593	flags |= hasChanged;
1594	}	1445	{
		1446	for (int i = 0; i < filters->nfilter; i++)
		1447	if (!strcmp (filters->filter[i], FilterConvolution))
		1448	bg_flags |= BG_HAS_RENDER_CONV;
		1449
		1450	XFree (filters);
		1451	}
		1452	#endif
1595	}	1453	}
1596		1454
1597	#endif /* HAVE_BG_PIXMAP */	1455	#endif /* HAVE_BG_PIXMAP */
1598		1456
1599	#if defined(ENABLE_TRANSPARENCY) && !defined(HAVE_AFTERIMAGE) && !XFT	1457	#if defined(ENABLE_TRANSPARENCY) && !defined(HAVE_AFTERIMAGE)
1600	/* taken from aterm-0.4.2 */	1458	/* taken from aterm-0.4.2 */
1601		1459
1602	static void	1460	static void
1603	ShadeXImage(Visual *visual, XImage *srcImage, int shade, int rm, int gm, int bm)	1461	shade_ximage (Visual *visual, XImage *ximage, int shade, const rgba &c)
1604	{	1462	{
1605	int sh_r, sh_g, sh_b;	1463	int sh_r, sh_g, sh_b;
1606	uint32_t mask_r, mask_g, mask_b;	1464	uint32_t mask_r, mask_g, mask_b;
1607	uint32_t *lookup, *lookup_r, *lookup_g, *lookup_b;	1465	uint32_t *lookup, *lookup_r, *lookup_g, *lookup_b;
1608	unsigned int lower_lim_r, lower_lim_g, lower_lim_b;	1466	rgba low;
1609	unsigned int upper_lim_r, upper_lim_g, upper_lim_b;	1467	rgba high;
1610	int i;	1468	int i;
1611	int host_byte_order = byteorder.big_endian () ? MSBFirst : LSBFirst;	1469	int host_byte_order = byteorder::big_endian () ? MSBFirst : LSBFirst;
1612		1470
1613	if (visual->c_class != TrueColor || srcImage->format != ZPixmap) return;	1471	if (visual->c_class != TrueColor || ximage->format != ZPixmap) return;
1614		1472
1615	/* for convenience */	1473	/* for convenience */
1616	mask_r = visual->red_mask;	1474	mask_r = visual->red_mask;
1617	mask_g = visual->green_mask;	1475	mask_g = visual->green_mask;
1618	mask_b = visual->blue_mask;	1476	mask_b = visual->blue_mask;
1619		1477
1620	/* boring lookup table pre-initialization */	1478	/* boring lookup table pre-initialization */
1621	switch (srcImage->depth)	1479	switch (ximage->depth)
1622	{	1480	{
1623	case 15:	1481	case 15:
1624	if ((mask_r != 0x7c00) ||	1482	if ((mask_r != 0x7c00) ||
1625	(mask_g != 0x03e0) ||	1483	(mask_g != 0x03e0) ||
1626	(mask_b != 0x001f))	1484	(mask_b != 0x001f))
…		…
1679	/* prepare limits for color transformation (each channel is handled separately) */	1537	/* prepare limits for color transformation (each channel is handled separately) */
1680	if (shade > 100)	1538	if (shade > 100)
1681	{	1539	{
1682	shade = 200 - shade;	1540	shade = 200 - shade;
1683		1541
1684	lower_lim_r = 65535-rm;	1542	high.r = c.r * shade / 100;
1685	lower_lim_g = 65535-gm;	1543	high.g = c.g * shade / 100;
1686	lower_lim_b = 65535-bm;	1544	high.b = c.b * shade / 100;
1687		1545
1688	lower_lim_r = 65535-(unsigned int)(((uint32_t)lower_lim_r)*((uint32_t)shade)/100);	1546	low.r = 65535 * (100 - shade) / 100;
1689	lower_lim_g = 65535-(unsigned int)(((uint32_t)lower_lim_g)*((uint32_t)shade)/100);	1547	low.g = 65535 * (100 - shade) / 100;
1690	lower_lim_b = 65535-(unsigned int)(((uint32_t)lower_lim_b)*((uint32_t)shade)/100);	1548	low.b = 65535 * (100 - shade) / 100;
1691
1692	upper_lim_r = upper_lim_g = upper_lim_b = 65535;
1693	}	1549	}
1694	else	1550	else
1695	{	1551	{
		1552	high.r = c.r * shade / 100;
		1553	high.g = c.g * shade / 100;
		1554	high.b = c.b * shade / 100;
1696		1555
1697	lower_lim_r = lower_lim_g = lower_lim_b = 0;	1556	low.r = low.g = low.b = 0;
1698
1699	upper_lim_r = (unsigned int)((((uint32_t)rm)*((uint32_t)shade))/100);
1700	upper_lim_g = (unsigned int)((((uint32_t)gm)*((uint32_t)shade))/100);
1701	upper_lim_b = (unsigned int)((((uint32_t)bm)*((uint32_t)shade))/100);
1702	}	1557	}
1703		1558
1704	/* fill our lookup tables */	1559	/* fill our lookup tables */
1705	for (i = 0; i <= mask_r>>sh_r; i++)	1560	for (i = 0; i <= mask_r>>sh_r; i++)
1706	{	1561	{
1707	uint32_t tmp;	1562	uint32_t tmp;
1708	tmp = ((uint32_t)i)*((uint32_t)(upper_lim_r-lower_lim_r));	1563	tmp = i * high.r;
1709	tmp += ((uint32_t)(mask_r>>sh_r))*((uint32_t)lower_lim_r);	1564	tmp += (mask_r>>sh_r) * low.r;
1710	lookup_r[i] = (tmp/65535)<<sh_r;	1565	lookup_r[i] = (tmp/65535)<<sh_r;
1711	}	1566	}
1712	for (i = 0; i <= mask_g>>sh_g; i++)	1567	for (i = 0; i <= mask_g>>sh_g; i++)
1713	{	1568	{
1714	uint32_t tmp;	1569	uint32_t tmp;
1715	tmp = ((uint32_t)i)*((uint32_t)(upper_lim_g-lower_lim_g));	1570	tmp = i * high.g;
1716	tmp += ((uint32_t)(mask_g>>sh_g))*((uint32_t)lower_lim_g);	1571	tmp += (mask_g>>sh_g) * low.g;
1717	lookup_g[i] = (tmp/65535)<<sh_g;	1572	lookup_g[i] = (tmp/65535)<<sh_g;
1718	}	1573	}
1719	for (i = 0; i <= mask_b>>sh_b; i++)	1574	for (i = 0; i <= mask_b>>sh_b; i++)
1720	{	1575	{
1721	uint32_t tmp;	1576	uint32_t tmp;
1722	tmp = ((uint32_t)i)*((uint32_t)(upper_lim_b-lower_lim_b));	1577	tmp = i * high.b;
1723	tmp += ((uint32_t)(mask_b>>sh_b))*((uint32_t)lower_lim_b);	1578	tmp += (mask_b>>sh_b) * low.b;
1724	lookup_b[i] = (tmp/65535)<<sh_b;	1579	lookup_b[i] = (tmp/65535)<<sh_b;
1725	}	1580	}
1726		1581
1727	/* apply table to input image (replacing colors by newly calculated ones) */	1582	/* apply table to input image (replacing colors by newly calculated ones) */
1728	if (srcImage->bits_per_pixel == 32	1583	if (ximage->bits_per_pixel == 32
1729	&& (srcImage->depth == 24 || srcImage->depth == 32)	1584	&& (ximage->depth == 24 || ximage->depth == 32)
1730	&& srcImage->byte_order == host_byte_order)	1585	&& ximage->byte_order == host_byte_order)
1731	{	1586	{
1732	uint32_t *p1, *pf, *p, *pl;	1587	uint32_t *p1, *pf, *p, *pl;
1733	p1 = (uint32_t *) srcImage->data;	1588	p1 = (uint32_t *) ximage->data;
1734	pf = (uint32_t *) (srcImage->data + srcImage->height * srcImage->bytes_per_line);	1589	pf = (uint32_t *) (ximage->data + ximage->height * ximage->bytes_per_line);
1735		1590
1736	while (p1 < pf)	1591	while (p1 < pf)
1737	{	1592	{
1738	p = p1;	1593	p = p1;
1739	pl = p1 + srcImage->width;	1594	pl = p1 + ximage->width;
1740	for (; p < pl; p++)	1595	for (; p < pl; p++)
1741	{	1596	{
1742	*p = lookup_r[(*p & 0xff0000) >> 16] |	1597	*p = lookup_r[(*p & 0xff0000) >> 16] |
1743	lookup_g[(*p & 0x00ff00) >> 8] |	1598	lookup_g[(*p & 0x00ff00) >> 8] |
1744	lookup_b[(*p & 0x0000ff)] |	1599	lookup_b[(*p & 0x0000ff)] |
1745	(*p & 0xff000000);	1600	(*p & 0xff000000);
1746	}	1601	}
1747	p1 = (uint32_t *) ((char *) p1 + srcImage->bytes_per_line);	1602	p1 = (uint32_t *) ((char *) p1 + ximage->bytes_per_line);
1748	}	1603	}
1749	}	1604	}
1750	else	1605	else
1751	{	1606	{
1752	for (int y = 0; y < srcImage->height; y++)	1607	for (int y = 0; y < ximage->height; y++)
1753	for (int x = 0; x < srcImage->width; x++)	1608	for (int x = 0; x < ximage->width; x++)
1754	{	1609	{
1755	unsigned long pixel = XGetPixel (srcImage, x, y);	1610	unsigned long pixel = XGetPixel (ximage, x, y);
1756	pixel = lookup_r[(pixel & mask_r) >> sh_r] |	1611	pixel = lookup_r[(pixel & mask_r) >> sh_r] |
1757	lookup_g[(pixel & mask_g) >> sh_g] |	1612	lookup_g[(pixel & mask_g) >> sh_g] |
1758	lookup_b[(pixel & mask_b) >> sh_b];	1613	lookup_b[(pixel & mask_b) >> sh_b];
1759	XPutPixel (srcImage, x, y, pixel);	1614	XPutPixel (ximage, x, y, pixel);
1760	}	1615	}
1761	}	1616	}
1762		1617
1763	free (lookup);	1618	free (lookup);
1764	}	1619	}

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