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Comparing rxvt-unicode/src/background.C (file contents):
Revision 1.71 by sf-exg, Wed Oct 6 14:52:14 2010 UTC vs.
Revision 1.145 by sf-exg, Fri Jan 28 00:21:10 2011 UTC

…		…
3	*----------------------------------------------------------------------*	3	*----------------------------------------------------------------------*
4	*	4	*
5	* All portions of code are copyright by their respective author/s.	5	* All portions of code are copyright by their respective author/s.
6	* Copyright (c) 2005-2008 Marc Lehmann <pcg@goof.com>	6	* Copyright (c) 2005-2008 Marc Lehmann <pcg@goof.com>
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	*	9	*
9	* 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
10	* 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
11	* the Free Software Foundation; either version 2 of the License, or	12	* the Free Software Foundation; either version 2 of the License, or
12	* (at your option) any later version.	13	* (at your option) any later version.
…		…
19	* You should have received a copy of the GNU General Public License	20	* You should have received a copy of the GNU General Public License
20	* along with this program; if not, write to the Free Software	21	* along with this program; if not, write to the Free Software
21	* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.	22	* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
22	*---------------------------------------------------------------------*/	23	*---------------------------------------------------------------------*/
23		24
		25	#include <cmath>
24	#include "../config.h" /* NECESSARY */	26	#include "../config.h" /* NECESSARY */
25	#include "rxvt.h" /* NECESSARY */	27	#include "rxvt.h" /* NECESSARY */
26		28
27	#define DO_TIMING_TEST 0	29	#if XRENDER
		30	# include <X11/extensions/Xrender.h>
		31	#endif
28		32
29	#if DO_TIMING_TEST	33	#ifndef FilterConvolution
30	# include <sys/time.h>	34	#define FilterConvolution "convolution"
31	#define TIMING_TEST_START(id) \
32	struct timeval timing_test_##id##_stv; \
33	gettimeofday (&timing_test_##id##_stv, NULL);
34
35	#define TIMING_TEST_PRINT_RESULT(id) \
36	do { \
37	struct timeval tv; \
38	gettimeofday (&tv, NULL); \
39	tv.tv_sec -= (timing_test_##id##_stv).tv_sec; \
40	fprintf (stderr, "%s: %s: %d: elapsed %ld usec\n", #id, __FILE__, __LINE__, \
41	tv.tv_sec * 1000000 + tv.tv_usec - (timing_test_##id##_stv).tv_usec); \
42	} while (0)
43
44	#else
45	#define TIMING_TEST_START(id) do {} while (0)
46	#define TIMING_TEST_PRINT_RESULT(id) do {} while (0)
47	#endif	35	#endif
48		36
49	/*	37	/*
50	* Pixmap geometry string interpretation :	38	* Pixmap geometry string interpretation :
51	* Each geometry string contains zero or one scale/position	39	* Each geometry string contains zero or one scale/position
…		…
56	*	44	*
57	* 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%.
58	* W and H are percentages of the terminal window size.	46	* W and H are percentages of the terminal window size.
59	* X and Y are also percentages; e.g., +50+50 centers	47	* X and Y are also percentages; e.g., +50+50 centers
60	* the image in the window.	48	* the image in the window.
61	* WxH+X Assumes Y == X
62	* WxH Assumes Y == X == 50 (centers the image)
63	* W+X+Y Assumes H == W
64	* W+X Assumes H == W and Y == X
65	* W Assumes H == W and Y == X == 50
66	*
67	* Adjusting position only :
68	* =+X+Y Set position to X% by Y% (absolute).
69	* =+X Set position to X% by X%.
70	* +X+Y Adjust position horizontally X% and vertically Y%
71	* from current position (relative).
72	* +X Adjust position horizontally X% and vertically X%
73	* from current position.
74	*
75	* Adjusting scale only :
76	* Wx0 Multiply horizontal scaling factor by W%
77	* 0xH Multiply vertical scaling factor by H%
78	* 0x0 No scaling (show image at normal size).
79	*	49	*
80	* Pixmap Operations : (should be prepended by a colon)	50	* Pixmap Operations : (should be prepended by a colon)
81	* tile Tile image. Scaling/position modifiers above will affect	51	* tile Tile image. Scaling/position modifiers above will affect
82	* the tile size and origin.	52	* the tile size and origin.
83	* propscale When scaling, scale proportionally. That is, maintain the	53	* propscale When scaling, scale proportionally. That is, maintain the
…		…
89	* scale Scale both up and down	59	* scale Scale both up and down
90	* auto Same as 100x100+50+50	60	* auto Same as 100x100+50+50
91	*/	61	*/
92		62
93	#ifdef HAVE_BG_PIXMAP	63	#ifdef HAVE_BG_PIXMAP
94	bgPixmap_t::bgPixmap_t ()
95	{
96	// this is basically redundant as bgPixmap_t is only used in
97	// zero_initialised-derived structs
98	#ifdef HAVE_AFTERIMAGE
99	original_asim = NULL;
100	#endif
101	#ifdef HAVE_PIXBUF
102	pixbuf = NULL;
103	#endif
104	#ifdef BG_IMAGE_FROM_FILE
105	have_image = false;
106	h_scale = v_scale = 0;
107	h_align = v_align = 0;
108	#endif
109	flags = 0;
110	pixmap = None;
111	valid_since = invalid_since = 0;
112	target = 0;
113	}
114
115	void	64	void
116	bgPixmap_t::destroy ()	65	rxvt_term::bg_destroy ()
117	{	66	{
118	#ifdef HAVE_AFTERIMAGE	67	#ifdef HAVE_AFTERIMAGE
119	if (original_asim)	68	if (original_asim)
120	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);
121	#endif	74	#endif
122		75
123	#ifdef HAVE_PIXBUF	76	#ifdef HAVE_PIXBUF
124	if (pixbuf)	77	if (pixbuf)
125	g_object_unref (pixbuf);	78	g_object_unref (pixbuf);
126	#endif	79	#endif
127		80
128	if (pixmap && target)	81	if (bg_pixmap)
129	XFreePixmap (target->dpy, pixmap);	82	XFreePixmap (dpy, bg_pixmap);
130	}	83	}
131		84
132	bool	85	bool
133	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 ()
134	{	101	{
135	# ifdef ENABLE_TRANSPARENCY	102	# ifdef ENABLE_TRANSPARENCY
136	if (flags & isTransparent)	103	if (bg_flags & BG_IS_TRANSPARENT)
137	return true;	104	return true;
138	# endif	105	# endif
139		106
140	# ifdef BG_IMAGE_FROM_FILE	107	# ifdef BG_IMAGE_FROM_FILE
141	if (have_image)	108	if (bg_flags & BG_IS_FROM_FILE)
142	{	109	{
143	if (flags & sizeSensitive)	110	if (bg_flags & BG_IS_SIZE_SENSITIVE)
144	return true;	111	return true;
145	}	112	}
146	# endif	113	# endif
147		114
148	return false;	115	return false;
149	}	116	}
150		117
151	bool	118	bool
152	bgPixmap_t::window_position_sensitive ()	119	rxvt_term::bg_window_position_sensitive ()
153	{	120	{
154	# ifdef ENABLE_TRANSPARENCY	121	# ifdef ENABLE_TRANSPARENCY
155	if (flags & isTransparent)	122	if (bg_flags & BG_IS_TRANSPARENT)
156	return true;	123	return true;
157	# endif	124	# endif
158		125
159	# ifdef BG_IMAGE_FROM_FILE	126	# ifdef BG_IMAGE_FROM_FILE
160	if (have_image)	127	if (bg_flags & BG_IS_FROM_FILE)
161	{	128	{
162	if (flags & rootAlign)	129	if (bg_flags & BG_ROOT_ALIGN)
163	return true;	130	return true;
164	}	131	}
165	# endif	132	# endif
166		133
167	return false;
168	};
169
170	bool bgPixmap_t::need_client_side_rendering ()
171	{
172	# ifdef HAVE_AFTERIMAGE
173	if (original_asim)
174	return true;
175	# endif
176	# ifdef ENABLE_TRANSPARENCY
177	if (flags & isTransparent)
178	{
179	# ifdef HAVE_AFTERIMAGE // can't blur without libAI anyways
180	if ((flags & blurNeeded) && !(flags & blurServerSide))
181	return true;
182	# endif
183	if ((flags & tintNeeded) && !(flags & tintServerSide))
184	return true;
185	}
186	# endif
187	return false;	134	return false;
188	}	135	}
189		136
190	# ifdef BG_IMAGE_FROM_FILE	137	# ifdef BG_IMAGE_FROM_FILE
191	static inline bool	138	static inline bool
…		…
228	int diff = window_size - image_size;	175	int diff = window_size - image_size;
229	int smaller = min (image_size, window_size);	176	int smaller = min (image_size, window_size);
230		177
231	if (align >= 0 && align <= 100)	178	if (align >= 0 && align <= 100)
232	return diff * align / 100;	179	return diff * align / 100;
233	else if (align > 100 && align <= 200 )	180	else if (align > 100 && align <= 200)
234	return ((align - 100) * smaller / 100) + window_size - smaller;	181	return ((align - 100) * smaller / 100) + window_size - smaller;
235	else if (align >= -100 && align < 0)	182	else if (align >= -100 && align < 0)
236	return ((align + 100) * smaller / 100) - image_size;	183	return ((align + 100) * smaller / 100) - image_size;
237	return 0;	184	return 0;
238	}	185	}
…		…
254	dst_size = target_size - dst_pos;	201	dst_size = target_size - dst_pos;
255	return src_pos;	202	return src_pos;
256	}	203	}
257		204
258	bool	205	bool
259	bgPixmap_t::set_geometry (const char *geom)	206	rxvt_term::bg_set_geometry (const char *geom, bool update)
260	{	207	{
		208	bool changed = false;
261	int geom_flags = 0, changed = 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 *p;	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	while (isspace(*geom)) ++geom;
275	if ((p = strchr (geom, ';')) == NULL)
276	p = strchr (geom, '\0');	221	ops = strchr (geom, ':');
277		222	if (ops == NULL)
		223	n = strlen (geom);
		224	else
278	n = (p - geom);	225	n = ops - geom;
279	if (n < MAXLEN_GEOM)
280	{
281	char *ops;
282	new_flags |= geometrySet;
283		226
		227	if (n >= sizeof (str))
		228	return false;
		229
284	memcpy (str, geom, n);	230	memcpy (str, geom, n);
285	str[n] = '\0';	231	str[n] = '\0';
286	if (str[0] == ':')	232	rxvt_strtrim (str);
287	ops = &str[0];
288	else if (str[0] != 'x' && str[0] != 'X' && isalpha(str[0]))
289	ops = &str[0];
290	else
291	{
292	char *tmp;
293	ops = strchr (str, ':');
294	if (ops != NULL)
295	{
296	for (tmp = ops-1; tmp >= str && isspace(*tmp); --tmp);
297	*(++tmp) = '\0';
298	if (ops == tmp) ++ops;
299	}
300	}
301		233
302	if (ops > str || ops == NULL)	234	if (str[0])
303	{	235	{
304	/* 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 */
305	geom_flags = XParseGeometry (str, &x, &y, &w, &h);	237	geom_flags = XParseGeometry (str, &x, &y, &w, &h);
306
307	if ((geom_flags & XValue) && !(geom_flags & YValue))
308	{
309	y = x;
310	geom_flags |= YValue;
311	}
312
313	if (flags & geometrySet)
314	{
315	/* new geometry is an adjustment to the old one ! */
316	if ((geom_flags & WidthValue) && (geom_flags & HeightValue))
317	{
318	if (w == 0 && h != 0)
319	{
320	w = h_scale;
321	h = (v_scale * h) / 100;
322	}
323	else if (h == 0 && w != 0)
324	{
325	w = (h_scale * w) / 100;
326	h = v_scale;
327	}
328	}
329	if (geom_flags & XValue)
330	{
331	if (str[0] != '=')
332	{
333	y += v_align;
334	x += h_align;
335	}
336	}
337	}
338	else /* setting up geometry from scratch */
339	{
340	if (!(geom_flags & XValue))
341	{
342	/* use default geometry - centered */
343	x = y = defaultAlign;
344	}
345	else if (!(geom_flags & YValue))
346	y = x;
347
348	if ((geom_flags & (WidthValue|HeightValue)) == 0)
349	{
350	/* use default geometry - scaled */
351	w = h = defaultScale;
352	}
353	else if (geom_flags & WidthValue)
354	{
355	if (!(geom_flags & HeightValue))
356	h = w;
357	}
358	else
359	w = h;
360	}
361	} /* done parsing geometry string */	238	} /* done parsing geometry string */
362	else if (!(flags & geometrySet))	239
363	{	240	if (!update)
364	/* default geometry - scaled and centered */	241	{
		242	if (!(geom_flags & XValue))
365	x = y = defaultAlign;	243	x = y = defaultAlign;
		244	else if (!(geom_flags & YValue))
		245	y = x;
		246
		247	if (!(geom_flags & (WidthValue|HeightValue)))
366	w = h = defaultScale;	248	w = h = defaultScale;
367	}	249	else if (!(geom_flags & HeightValue))
		250	h = w;
		251	else if (!(geom_flags & WidthValue))
		252	w = h;
368		253
369	if (!(flags & geometrySet))
370	geom_flags |= WidthValue|HeightValue|XValue|YValue;	254	geom_flags |= WidthValue|HeightValue|XValue|YValue;
		255	}
371		256
372	if (ops)	257	if (ops)
373	{	258	{
374	while (*ops)	259	char **arr = rxvt_strsplit (':', ops + 1);
		260
		261	for (int i = 0; arr[i]; i++)
375	{	262	{
376	while (*ops == ':' || isspace(*ops)) ++ops;	263	if (!strcasecmp (arr[i], "tile"))
377
378	# define CHECK_GEOM_OPS(op_str) (strncasecmp (ops, (op_str), sizeof (op_str) - 1) == 0)
379	if (CHECK_GEOM_OPS ("tile"))
380	{	264	{
381	w = h = noScale;	265	w = h = noScale;
382	geom_flags |= WidthValue|HeightValue;	266	geom_flags |= WidthValue|HeightValue;
383	}	267	}
384	else if (CHECK_GEOM_OPS ("propscale"))	268	else if (!strcasecmp (arr[i], "propscale"))
385	{	269	{
386	new_flags |= propScale;	270	new_flags |= BG_PROP_SCALE;
387	}	271	}
388	else if (CHECK_GEOM_OPS ("hscale"))	272	else if (!strcasecmp (arr[i], "hscale"))
389	{	273	{
390	if (w == 0) w = windowScale;	274	if (w == 0) w = windowScale;
391		275
392	h = noScale;	276	h = noScale;
393	geom_flags |= WidthValue|HeightValue;	277	geom_flags |= WidthValue|HeightValue;
394	}	278	}
395	else if (CHECK_GEOM_OPS ("vscale"))	279	else if (!strcasecmp (arr[i], "vscale"))
396	{	280	{
397	if (h == 0) h = windowScale;	281	if (h == 0) h = windowScale;
398		282
399	w = noScale;	283	w = noScale;
400	geom_flags |= WidthValue|HeightValue;	284	geom_flags |= WidthValue|HeightValue;
401	}	285	}
402	else if (CHECK_GEOM_OPS ("scale"))	286	else if (!strcasecmp (arr[i], "scale"))
403	{	287	{
404	if (h == 0) h = windowScale;	288	if (h == 0) h = windowScale;
405	if (w == 0) w = windowScale;	289	if (w == 0) w = windowScale;
406		290
407	geom_flags |= WidthValue|HeightValue;	291	geom_flags |= WidthValue|HeightValue;
408	}	292	}
409	else if (CHECK_GEOM_OPS ("auto"))	293	else if (!strcasecmp (arr[i], "auto"))
410	{	294	{
411	w = h = windowScale;	295	w = h = windowScale;
412	x = y = centerAlign;	296	x = y = centerAlign;
413	geom_flags |= WidthValue|HeightValue|XValue|YValue;	297	geom_flags |= WidthValue|HeightValue|XValue|YValue;
414	}	298	}
415	else if (CHECK_GEOM_OPS ("root"))	299	else if (!strcasecmp (arr[i], "root"))
416	{	300	{
417	new_flags |= rootAlign;	301	new_flags |= BG_ROOT_ALIGN;
418	w = h = noScale;	302	w = h = noScale;
419	geom_flags |= WidthValue|HeightValue;	303	geom_flags |= WidthValue|HeightValue;
420	}	304	}
421	# undef CHECK_GEOM_OPS
422
423	while (*ops != ':' && *ops != '\0') ++ops;
424	} /* done parsing ops */	305	} /* done parsing ops */
425	}
426		306
		307	rxvt_free_strsplit (arr);
		308	}
		309
427	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;
428	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;
429	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;
430	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;
431	}
432		314
433	if (new_flags != flags)	315	if (new_flags != bg_flags)
434	{	316	{
435	flags = new_flags;	317	bg_flags = new_flags;
436	changed++;	318	changed = true;
437	}	319	}
438		320
439	//fprintf (stderr, "flags = %lX, scale = %ux%u, align=%+d%+d\n",
440	// flags, h_scale, v_scale, h_align, v_align);
441	return (changed > 0);	321	return changed;
442	}	322	}
443		323
444	void	324	void
445	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)
446	{	326	{
447	int target_width = target->szHint.width;	327	int target_width = szHint.width;
448	int target_height = target->szHint.height;	328	int target_height = szHint.height;
449		329
450	if (flags & propScale)	330	if (bg_flags & BG_PROP_SCALE)
451	{	331	{
452	float scale = (float)target_width / image_width;	332	float scale = (float)target_width / image_width;
453	min_it (scale, (float)target_height / image_height);	333	min_it (scale, (float)target_height / image_height);
454	w = image_width * scale + 0.5;	334	w = image_width * scale + 0.5;
455	h = image_height * scale + 0.5;	335	h = image_height * scale + 0.5;
…		…
461	}	341	}
462		342
463	if (!w) w = image_width;	343	if (!w) w = image_width;
464	if (!h) h = image_height;	344	if (!h) h = image_height;
465		345
466	if (flags & rootAlign)	346	if (bg_flags & BG_ROOT_ALIGN)
467	{	347	{
468	target->get_window_origin (x, y);
469	x = -x;	348	x = -target_x;
470	y = -y;	349	y = -target_y;
471	}	350	}
472	else	351	else
473	{	352	{
474	x = make_align_position (h_align, target_width, w);	353	x = make_align_position (h_align, target_width, w);
475	y = make_align_position (v_align, target_height, h);	354	y = make_align_position (v_align, target_height, h);
476	}	355	}
477		356
478	flags &= ~sizeSensitive;	357	bg_flags &= ~BG_IS_SIZE_SENSITIVE;
479	if (h_scale != 0 || v_scale != 0	358	if ((bg_flags & BG_PROP_SCALE) || h_scale || v_scale
480	|| h_align != 0 || v_align != 0	359	|| (!(bg_flags & BG_ROOT_ALIGN) && (h_align || v_align))
481	|| w > target_width || h > target_height)	360	|| w > target_width || h > target_height)
482	flags |= sizeSensitive;	361	bg_flags |= BG_IS_SIZE_SENSITIVE;
483	}	362	}
484		363
485	# ifdef HAVE_AFTERIMAGE	364	# ifdef HAVE_AFTERIMAGE
486	bool	365	bool
487	bgPixmap_t::render_image (unsigned long background_flags)	366	rxvt_term::render_image (unsigned long tr_flags)
488	{	367	{
489	if (target == NULL)
490	return false;
491
492	target->init_asv ();	368	init_asv ();
493		369
494	ASImage *background = NULL;	370	ASImage *background = NULL;
495	ARGB32 background_tint = TINT_LEAVE_SAME;	371	ARGB32 background_tint = TINT_LEAVE_SAME;
496		372
497	# ifdef ENABLE_TRANSPARENCY	373	# ifdef ENABLE_TRANSPARENCY
498	if (background_flags)	374	if (tr_flags)
499	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);
500		376
501	if (!(background_flags & transpPmapTinted) && (flags & tintNeeded))	377	if (tr_flags & BG_NEEDS_TINT)
502	{	378	{
503	ShadingInfo as_shade;	379	ShadingInfo as_shade;
504	as_shade.shading = (shade == 0) ? 100 : shade;	380	as_shade.shading = shade;
505		381
506	rgba c (rgba::MAX_CC,rgba::MAX_CC,rgba::MAX_CC);	382	rgba c (rgba::MAX_CC,rgba::MAX_CC,rgba::MAX_CC);
507	if (flags & tintSet)	383	if (bg_flags & BG_TINT_SET)
508	tint.get (c);	384	tint.get (c);
509	as_shade.tintColor.red = c.r;	385	as_shade.tintColor.red = c.r;
510	as_shade.tintColor.green = c.g;	386	as_shade.tintColor.green = c.g;
511	as_shade.tintColor.blue = c.b;	387	as_shade.tintColor.blue = c.b;
512		388
513	background_tint = shading2tint32 (&as_shade);	389	background_tint = shading2tint32 (&as_shade);
514	}	390	}
515		391
516	if (!(background_flags & transpPmapBlured) && (flags & blurNeeded) && background != NULL)	392	if ((tr_flags & BG_NEEDS_BLUR) && background != NULL)
517	{	393	{
518	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,
519	(original_asim == NULL || tint == TINT_LEAVE_SAME) ? ASA_XImage : ASA_ASImage,	395	(original_asim == NULL || tint == TINT_LEAVE_SAME) ? ASA_XImage : ASA_ASImage,
520	100, ASIMAGE_QUALITY_DEFAULT);	396	100, ASIMAGE_QUALITY_DEFAULT);
521	if (tmp)	397	if (tmp)
522	{	398	{
523	destroy_asimage (&background);	399	destroy_asimage (&background);
…		…
526	}	402	}
527	# endif	403	# endif
528		404
529	ASImage *result = 0;	405	ASImage *result = 0;
530		406
531	int target_width = target->szHint.width;	407	int target_width = szHint.width;
532	int target_height = target->szHint.height;	408	int target_height = szHint.height;
533	int new_pmap_width = target_width;	409	int new_pmap_width = target_width;
534	int new_pmap_height = target_height;	410	int new_pmap_height = target_height;
535		411
536	int x = 0;	412	int x = 0;
537	int y = 0;	413	int y = 0;
538	int w = 0;	414	int w = 0;
539	int h = 0;	415	int h = 0;
540		416
541	TIMING_TEST_START (asim);
542
543	if (original_asim)	417	if (original_asim)
544	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);
545		419
546	if (!original_asim	420	if (!original_asim
547	|| (!(flags & rootAlign)	421	|| (!(bg_flags & BG_ROOT_ALIGN)
548	&& (x >= target_width	422	&& (x >= target_width
549	|| y >= target_height	423	|| y >= target_height
550	|| (x + w <= 0)	424	|| (x + w <= 0)
551	|| (y + h <= 0))))	425	|| (y + h <= 0))))
552	{	426	{
…		…
556	new_pmap_height = background->height;	430	new_pmap_height = background->height;
557	result = background;	431	result = background;
558		432
559	if (background_tint != TINT_LEAVE_SAME)	433	if (background_tint != TINT_LEAVE_SAME)
560	{	434	{
561	ASImage *tmp = tile_asimage (target->asv, background, 0, 0,	435	ASImage *tmp = tile_asimage (asv, background, 0, 0,
562	target_width, target_height, background_tint,	436	target_width, target_height, background_tint,
563	ASA_XImage, 100, ASIMAGE_QUALITY_DEFAULT);	437	ASA_XImage, 100, ASIMAGE_QUALITY_DEFAULT);
564	if (tmp)	438	if (tmp)
565	result = tmp;	439	result = tmp;
566	}	440	}
…		…
573	result = original_asim;	447	result = original_asim;
574		448
575	if ((w != original_asim->width)	449	if ((w != original_asim->width)
576	|| (h != original_asim->height))	450	|| (h != original_asim->height))
577	{	451	{
578	result = scale_asimage (target->asv, original_asim,	452	result = scale_asimage (asv, original_asim,
579	w, h,	453	w, h,
580	background ? ASA_ASImage : ASA_XImage,	454	background ? ASA_ASImage : ASA_XImage,
581	100, ASIMAGE_QUALITY_DEFAULT);	455	100, ASIMAGE_QUALITY_DEFAULT);
582	}	456	}
583		457
…		…
589	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! */
590	new_pmap_width = min (result->width, target_width);	464	new_pmap_width = min (result->width, target_width);
591	new_pmap_height = min (result->height, target_height);	465	new_pmap_height = min (result->height, target_height);
592		466
593	/* we also need to tile our image in both directions */	467	/* we also need to tile our image in both directions */
594	ASImage *tmp = tile_asimage (target->asv, result,	468	ASImage *tmp = tile_asimage (asv, result,
595	(int)result->width - x,	469	(int)result->width - x,
596	(int)result->height - y,	470	(int)result->height - y,
597	new_pmap_width,	471	new_pmap_width,
598	new_pmap_height,	472	new_pmap_height,
599	TINT_LEAVE_SAME, ASA_XImage,	473	TINT_LEAVE_SAME, ASA_XImage,
…		…
642	{	516	{
643	layers[1].dst_y = y;	517	layers[1].dst_y = y;
644	layers[1].clip_height = result->height;	518	layers[1].clip_height = result->height;
645	}	519	}
646		520
647	if (target->rs[Rs_blendtype])	521	if (rs[Rs_blendtype])
648	{	522	{
649	layers[1].merge_scanlines = blend_scanlines_name2func (target->rs[Rs_blendtype]);	523	layers[1].merge_scanlines = blend_scanlines_name2func (rs[Rs_blendtype]);
650	if (layers[1].merge_scanlines == NULL)	524	if (layers[1].merge_scanlines == NULL)
651	layers[1].merge_scanlines = alphablend_scanlines;	525	layers[1].merge_scanlines = alphablend_scanlines;
652	}	526	}
653		527
654	ASImage *tmp = merge_layers (target->asv, layers, 2, target_width, target_height,	528	ASImage *tmp = merge_layers (asv, layers, 2, target_width, target_height,
655	ASA_XImage, 0, ASIMAGE_QUALITY_DEFAULT);	529	ASA_XImage, 0, ASIMAGE_QUALITY_DEFAULT);
656		530
657	if (tmp)	531	if (tmp)
658	{	532	{
659	if (result != original_asim)	533	if (result != original_asim)
…		…
663	}	537	}
664		538
665	free (layers);	539	free (layers);
666	}	540	}
667	}	541	}
668	TIMING_TEST_PRINT_RESULT (asim);
669		542
670	bool ret = false;	543	bool ret = false;
671		544
672	if (result)	545	if (result)
673	{	546	{
674	XGCValues gcv;	547	XGCValues gcv;
675	GC gc;	548	GC gc;
676		549
677	if (pixmap)
678	{
679	if (pmap_width != new_pmap_width
680	|| pmap_height != new_pmap_height
681	|| pmap_depth != target->depth)
682	{
683	XFreePixmap (target->dpy, pixmap);
684	pixmap = None;
685	}
686	}
687
688	/* create Pixmap */	550	/* create Pixmap */
689	if (pixmap == None)	551	if (bg_pixmap == None
		552	|| bg_pmap_width != new_pmap_width
		553	|| bg_pmap_height != new_pmap_height)
690	{	554	{
		555	if (bg_pixmap)
		556	XFreePixmap (dpy, bg_pixmap);
691	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);
692	pmap_width = new_pmap_width;	558	bg_pmap_width = new_pmap_width;
693	pmap_height = new_pmap_height;	559	bg_pmap_height = new_pmap_height;
694	pmap_depth = target->depth;
695	}	560	}
696	/* fill with background color (if result's not completely overlapping it) */	561	/* fill with background color (if result's not completely overlapping it) */
697	gcv.foreground = target->pix_colors[Color_bg];	562	gcv.foreground = pix_colors[Color_bg];
698	gc = XCreateGC (target->dpy, target->vt, GCForeground, &gcv);	563	gc = XCreateGC (dpy, vt, GCForeground, &gcv);
699		564
700	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;
701	int dst_width = result->width, dst_height = result->height;	566	int dst_width = result->width, dst_height = result->height;
702	if (background == NULL)	567	if (background == NULL)
703	{	568	{
…		…
708	}	573	}
709		574
710	if (dst_x > 0 || dst_y > 0	575	if (dst_x > 0 || dst_y > 0
711	|| dst_x + dst_width < new_pmap_width	576	|| dst_x + dst_width < new_pmap_width
712	|| dst_y + dst_height < new_pmap_height)	577	|| dst_y + dst_height < new_pmap_height)
713	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);
714	}	579	}
715		580
716	/* put result on pixmap */	581	/* put result on pixmap */
717	if (dst_x < new_pmap_width && dst_y < new_pmap_height)	582	if (dst_x < new_pmap_width && dst_y < new_pmap_height)
718	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);
719		584
720	if (result != background && result != original_asim)	585	if (result != background && result != original_asim)
721	destroy_asimage (&result);	586	destroy_asimage (&result);
722		587
723	XFreeGC (target->dpy, gc);	588	XFreeGC (dpy, gc);
724	TIMING_TEST_PRINT_RESULT (asim);
725		589
726	ret = true;	590	ret = true;
727	}	591	}
728		592
729	if (background)	593	if (background)
…		…
733	}	597	}
734	# endif /* HAVE_AFTERIMAGE */	598	# endif /* HAVE_AFTERIMAGE */
735		599
736	# ifdef HAVE_PIXBUF	600	# ifdef HAVE_PIXBUF
737	bool	601	bool
738	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)
739	{	605	{
740	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)
741	return false;	616	return false;
742		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	{
743	if (!pixbuf)	687	if (!pixbuf)
744	return false;	688	return false;
745		689
746	// TODO: add alpha blending	690	if (tr_flags
747	if (background_flags)	691	&& !(bg_flags & BG_HAS_RENDER))
748	return false;	692	return false;
749		693
750	GdkPixbuf *result;	694	GdkPixbuf *result;
751		695
752	int image_width = gdk_pixbuf_get_width (pixbuf);	696	int image_width = gdk_pixbuf_get_width (pixbuf);
753	int image_height = gdk_pixbuf_get_height (pixbuf);	697	int image_height = gdk_pixbuf_get_height (pixbuf);
754		698
755	int target_width = target->szHint.width;	699	int target_width = szHint.width;
756	int target_height = target->szHint.height;	700	int target_height = szHint.height;
757	int new_pmap_width = target_width;	701	int new_pmap_width = target_width;
758	int new_pmap_height = target_height;	702	int new_pmap_height = target_height;
759		703
760	int x = 0;	704	int x = 0;
761	int y = 0;	705	int y = 0;
762	int w = 0;	706	int w = 0;
763	int h = 0;	707	int h = 0;
764		708
765	get_image_geometry (image_width, image_height, w, h, x, y);	709	get_image_geometry (image_width, image_height, w, h, x, y);
766		710
767	if (!(flags & rootAlign)	711	if (!(bg_flags & BG_ROOT_ALIGN)
768	&& (x >= target_width	712	&& (x >= target_width
769	|| y >= target_height	713	|| y >= target_height
770	|| (x + w <= 0)	714	|| (x + w <= 0)
771	|| (y + h <= 0)))	715	|| (y + h <= 0)))
772	return false;	716	return false;
…		…
785		729
786	if (result)	730	if (result)
787	{	731	{
788	XGCValues gcv;	732	XGCValues gcv;
789	GC gc;	733	GC gc;
		734	Pixmap root_pmap;
790		735
791	image_width = gdk_pixbuf_get_width (result);	736	image_width = gdk_pixbuf_get_width (result);
792	image_height = gdk_pixbuf_get_height (result);	737	image_height = gdk_pixbuf_get_height (result);
793		738
		739	if (tr_flags)
		740	{
		741	root_pmap = bg_pixmap;
		742	bg_pixmap = None;
		743	}
		744	else
		745	{
		746	if (h_scale == 0 || v_scale == 0)
		747	{
		748	new_pmap_width = min (image_width, target_width);
		749	new_pmap_height = min (image_height, target_height);
		750	}
		751	}
		752
		753	if (bg_pixmap == None
		754	|| bg_pmap_width != new_pmap_width
		755	|| bg_pmap_height != new_pmap_height)
		756	{
		757	if (bg_pixmap)
		758	XFreePixmap (dpy, bg_pixmap);
		759	bg_pixmap = XCreatePixmap (dpy, vt, new_pmap_width, new_pmap_height, depth);
		760	bg_pmap_width = new_pmap_width;
		761	bg_pmap_height = new_pmap_height;
		762	}
		763
		764	gcv.foreground = pix_colors[Color_bg];
		765	gc = XCreateGC (dpy, vt, GCForeground, &gcv);
		766
794	if (h_scale == 0 || v_scale == 0)	767	if (h_scale == 0 || v_scale == 0)
795	{	768	{
796	new_pmap_width = min (image_width, target_width);
797	new_pmap_height = min (image_height, target_height);
798	}
799
800	if (pixmap)
801	{
802	if (pmap_width != new_pmap_width
803	|| pmap_height != new_pmap_height
804	|| pmap_depth != target->depth)
805	{
806	XFreePixmap (target->dpy, pixmap);
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);	769	Pixmap tile = XCreatePixmap (dpy, vt, image_width, image_height, depth);
825	gdk_pixbuf_xlib_render_to_drawable (result, tile, gc,	770	pixbuf_to_pixmap (result, tile, gc,
826	0, 0,	771	0, 0,
827	0, 0,	772	0, 0,
828	image_width, image_height,	773	image_width, image_height);
829	XLIB_RGB_DITHER_NONE,
830	0, 0);
831		774
832	gcv.tile = tile;	775	gcv.tile = tile;
833	gcv.fill_style = FillTiled;	776	gcv.fill_style = FillTiled;
834	gcv.ts_x_origin = x;	777	gcv.ts_x_origin = x;
835	gcv.ts_y_origin = y;	778	gcv.ts_y_origin = y;
836	XChangeGC (target->dpy, gc, GCFillStyle | GCTile | GCTileStipXOrigin | GCTileStipYOrigin, &gcv);	779	XChangeGC (dpy, gc, GCFillStyle | GCTile | GCTileStipXOrigin | GCTileStipYOrigin, &gcv);
837		780
838	XFillRectangle (target->dpy, pixmap, gc, 0, 0, new_pmap_width, new_pmap_height);	781	XFillRectangle (dpy, bg_pixmap, gc, 0, 0, new_pmap_width, new_pmap_height);
839	XFreePixmap (target->dpy, tile);	782	XFreePixmap (dpy, tile);
840	}	783	}
841	else	784	else
842	{	785	{
843	int src_x, src_y, dst_x, dst_y;	786	int src_x, src_y, dst_x, dst_y;
844	int dst_width, dst_height;	787	int dst_width, dst_height;
…		…
847	src_y = make_clip_rectangle (y, image_height, new_pmap_height, dst_y, dst_height);	790	src_y = make_clip_rectangle (y, image_height, new_pmap_height, dst_y, dst_height);
848		791
849	if (dst_x > 0 || dst_y > 0	792	if (dst_x > 0 || dst_y > 0
850	|| dst_x + dst_width < new_pmap_width	793	|| dst_x + dst_width < new_pmap_width
851	|| dst_y + dst_height < new_pmap_height)	794	|| dst_y + dst_height < new_pmap_height)
852	XFillRectangle (target->dpy, pixmap, gc, 0, 0, new_pmap_width, new_pmap_height);	795	XFillRectangle (dpy, bg_pixmap, gc, 0, 0, new_pmap_width, new_pmap_height);
853		796
854	if (dst_x < new_pmap_width && dst_y < new_pmap_height)	797	if (dst_x < new_pmap_width && dst_y < new_pmap_height)
855	gdk_pixbuf_xlib_render_to_drawable (result, pixmap, gc,	798	pixbuf_to_pixmap (result, bg_pixmap, gc,
856	src_x, src_y,	799	src_x, src_y,
857	dst_x, dst_y,	800	dst_x, dst_y,
858	dst_width, dst_height,	801	dst_width, dst_height);
859	XLIB_RGB_DITHER_NONE,	802	}
860	0, 0);	803
		804	#if XRENDER
		805	if (tr_flags)
861	}	806	{
		807	XRenderPictureAttributes pa;
		808
		809	XRenderPictFormat *src_format = XRenderFindVisualFormat (dpy, visual);
		810	Picture src = XRenderCreatePicture (dpy, root_pmap, src_format, 0, &pa);
		811
		812	XRenderPictFormat *dst_format = XRenderFindVisualFormat (dpy, visual);
		813	Picture dst = XRenderCreatePicture (dpy, bg_pixmap, dst_format, 0, &pa);
		814
		815	pa.repeat = True;
		816	Pixmap mask_pmap = XCreatePixmap (dpy, vt, 1, 1, 8);
		817	XRenderPictFormat *mask_format = XRenderFindStandardFormat (dpy, PictStandardA8);
		818	Picture mask = XRenderCreatePicture (dpy, mask_pmap, mask_format, CPRepeat, &pa);
		819	XFreePixmap (dpy, mask_pmap);
		820
		821	if (src && dst && mask)
		822	{
		823	XRenderColor mask_c;
		824
		825	mask_c.alpha = 0x8000;
		826	mask_c.red = 0;
		827	mask_c.green = 0;
		828	mask_c.blue = 0;
		829	XRenderFillRectangle (dpy, PictOpSrc, mask, &mask_c, 0, 0, 1, 1);
		830	XRenderComposite (dpy, PictOpOver, src, mask, dst, 0, 0, 0, 0, 0, 0, target_width, target_height);
		831	}
		832
		833	XRenderFreePicture (dpy, src);
		834	XRenderFreePicture (dpy, dst);
		835	XRenderFreePicture (dpy, mask);
		836
		837	XFreePixmap (dpy, root_pmap);
		838	}
		839	#endif
862		840
863	if (result != pixbuf)	841	if (result != pixbuf)
864	g_object_unref (result);	842	g_object_unref (result);
865		843
866	XFreeGC (target->dpy, gc);	844	XFreeGC (dpy, gc);
867		845
868	ret = true;	846	ret = true;
869	}	847	}
870		848
871	return ret;	849	return ret;
872	}	850	}
873	# endif /* HAVE_PIXBUF */	851	# endif /* HAVE_PIXBUF */
874		852
875	bool	853	bool
876	bgPixmap_t::set_file (const char *file)	854	rxvt_term::bg_set_file (const char *file)
877	{	855	{
878	assert (file);	856	if (!file || !*file)
		857	return false;
879		858
880	if (*file)
881	{
882	if (const char *p = strchr (file, ';'))	859	if (const char *p = strchr (file, ';'))
883	{	860	{
884	size_t len = p - file;	861	size_t len = p - file;
885	char *f = rxvt_temp_buf<char> (len + 1);	862	char *f = rxvt_temp_buf<char> (len + 1);
886	memcpy (f, file, len);	863	memcpy (f, file, len);
887	f[len] = '\0';	864	f[len] = '\0';
888	file = f;	865	file = f;
889	}	866	}
890		867
891	# ifdef HAVE_AFTERIMAGE	868	# ifdef HAVE_AFTERIMAGE
892	if (!target->asimman)	869	if (!asimman)
893	target->asimman = create_generic_imageman (target->rs[Rs_path]);	870	asimman = create_generic_imageman (rs[Rs_path]);
894	original_asim = get_asimage (target->asimman, file, 0xFFFFFFFF, 100);	871	ASImage *image = get_asimage (asimman, file, 0xFFFFFFFF, 100);
		872	if (image)
		873	{
895	if (original_asim)	874	if (original_asim)
896	have_image = true;	875	safe_asimage_destroy (original_asim);
897	return have_image;	876	original_asim = image;
		877	bg_flags |= BG_IS_FROM_FILE | BG_CLIENT_RENDER;
		878	return true;
		879	}
898	# endif	880	# endif
899		881
900	# ifdef HAVE_PIXBUF	882	# ifdef HAVE_PIXBUF
901	pixbuf = gdk_pixbuf_new_from_file (file, NULL);	883	GdkPixbuf *image = gdk_pixbuf_new_from_file (file, NULL);
		884	if (image)
		885	{
902	if (pixbuf)	886	if (pixbuf)
903	have_image = true;	887	g_object_unref (pixbuf);
904	return have_image;	888	pixbuf = image;
		889	bg_flags |= BG_IS_FROM_FILE;
		890	return true;
		891	}
905	# endif	892	# endif
906	}
907		893
908	return false;	894	return false;
909	}	895	}
910		896
911	# endif /* BG_IMAGE_FROM_FILE */	897	# endif /* BG_IMAGE_FROM_FILE */
912		898
913	# ifdef ENABLE_TRANSPARENCY	899	# ifdef ENABLE_TRANSPARENCY
914	bool	900	bool
915	bgPixmap_t::set_transparent ()	901	rxvt_term::bg_set_transparent ()
916	{	902	{
917	if (!(flags & isTransparent))	903	if (!(bg_flags & BG_IS_TRANSPARENT))
918	{	904	{
919	flags |= isTransparent;	905	bg_flags |= BG_IS_TRANSPARENT;
920	return true;	906	return true;
921	}	907	}
922		908
923	return false;	909	return false;
924	}	910	}
925		911
926	bool	912	bool
927	bgPixmap_t::set_blur_radius (const char *geom)	913	rxvt_term::bg_set_blur (const char *geom)
928	{	914	{
929	int changed = 0;	915	bool changed = false;
930	unsigned int hr, vr;	916	unsigned int hr, vr;
931	int junk;	917	int junk;
932	int geom_flags = XParseGeometry (geom, &junk, &junk, &hr, &vr);	918	int geom_flags = XParseGeometry (geom, &junk, &junk, &hr, &vr);
933		919
934	if (!(geom_flags & WidthValue))	920	if (!(geom_flags & WidthValue))
935	hr = 1;	921	hr = 1;
936	if (!(geom_flags & HeightValue))	922	if (!(geom_flags & HeightValue))
937	vr = hr;	923	vr = hr;
938		924
		925	min_it (hr, 128);
		926	min_it (vr, 128);
		927
939	if (h_blurRadius != hr)	928	if (h_blurRadius != hr)
940	{	929	{
941	++changed;	930	changed = true;
942	h_blurRadius = hr;	931	h_blurRadius = hr;
943	}	932	}
944		933
945	if (v_blurRadius != vr)	934	if (v_blurRadius != vr)
946	{	935	{
947	++changed;	936	changed = true;
948	v_blurRadius = vr;	937	v_blurRadius = vr;
949	}	938	}
950		939
951	if (v_blurRadius == 0 && h_blurRadius == 0)	940	if (v_blurRadius == 0 && h_blurRadius == 0)
952	flags &= ~blurNeeded;	941	bg_flags &= ~BG_NEEDS_BLUR;
953	else	942	else
954	flags |= blurNeeded;	943	bg_flags |= BG_NEEDS_BLUR;
955		944
956	return (changed > 0);	945	return changed;
957	}	946	}
958		947
959	static inline unsigned long	948	static inline unsigned long
960	compute_tint_shade_flags (rxvt_color *tint, int shade)	949	compute_tint_shade_flags (rxvt_color *tint, int shade)
961	{	950	{
962	unsigned long flags = 0;	951	unsigned long flags = 0;
963	rgba c (rgba::MAX_CC,rgba::MAX_CC,rgba::MAX_CC);	952	rgba c (rgba::MAX_CC,rgba::MAX_CC,rgba::MAX_CC);
964	bool has_shade = (shade > 0 && shade < 100) || (shade > 100 && shade < 200);	953	bool has_shade = shade != 100;
965		954
966	if (tint)	955	if (tint)
967	{	956	{
968	tint->get (c);	957	tint->get (c);
969	# define IS_COMPONENT_WHOLESOME(cmp) ((cmp) <= 0x000700 || (cmp) >= 0x00f700)
970	if (!has_shade && IS_COMPONENT_WHOLESOME (c.r)
971	&& IS_COMPONENT_WHOLESOME (c.g)
972	&& IS_COMPONENT_WHOLESOME (c.b))
973	flags |= bgPixmap_t::tintWholesome;
974	# undef IS_COMPONENT_WHOLESOME
975	}
976
977	if (has_shade)	958	if (!has_shade
978	flags |= bgPixmap_t::tintNeeded;	959	&& (c.r <= 0x00ff || c.r >= 0xff00)
979	else if (tint)	960	&& (c.g <= 0x00ff || c.g >= 0xff00)
		961	&& (c.b <= 0x00ff || c.b >= 0xff00))
		962	flags |= rxvt_term::BG_TINT_BITAND;
980	{	963	}
981	if ((c.r > 0x000700 || c.g > 0x000700 || c.b > 0x000700)
982	&& (c.r < 0x00f700 || c.g < 0x00f700 || c.b < 0x00f700))
983	{
984	flags |= bgPixmap_t::tintNeeded;
985	}
986	}
987		964
988	if (flags & bgPixmap_t::tintNeeded)	965	if (has_shade || tint)
989	{	966	flags |= rxvt_term::BG_NEEDS_TINT;
990	if (flags & bgPixmap_t::tintWholesome)
991	flags |= bgPixmap_t::tintServerSide;
992	else
993	{
994	#if XFT
995	flags |= bgPixmap_t::tintServerSide;
996	#endif
997	}
998	}
999		967
1000	return flags;	968	return flags;
1001	}	969	}
1002		970
1003	bool	971	bool
1004	bgPixmap_t::set_tint (rxvt_color &new_tint)	972	rxvt_term::bg_set_tint (rxvt_color &new_tint)
1005	{	973	{
1006	if (tint != new_tint)	974	if (!(bg_flags & BG_TINT_SET) || tint != new_tint)
1007	{	975	{
1008	unsigned long new_flags = compute_tint_shade_flags (&new_tint, shade);	976	unsigned long new_flags = compute_tint_shade_flags (&new_tint, shade);
1009	tint = new_tint;	977	tint = new_tint;
1010	flags = (flags & ~tintFlags) | new_flags | tintSet;	978	bg_flags = (bg_flags & ~BG_TINT_FLAGS) | new_flags | BG_TINT_SET;
1011	return true;	979	return true;
1012	}	980	}
1013		981
1014	return false;	982	return false;
1015	}	983	}
1016		984
1017	bool	985	bool
1018	bgPixmap_t::unset_tint ()	986	rxvt_term::bg_set_shade (const char *shade_str)
1019	{	987	{
		988	int new_shade = (shade_str) ? atoi (shade_str) : 100;
		989
		990	clamp_it (new_shade, -100, 200);
		991	if (new_shade < 0)
		992	new_shade = 200 - (100 + new_shade);
		993
		994	if (new_shade != shade)
		995	{
1020	unsigned long new_flags = compute_tint_shade_flags (NULL, shade);	996	unsigned long new_flags = compute_tint_shade_flags ((bg_flags & BG_TINT_SET) ? &tint : NULL, new_shade);
1021		997	shade = new_shade;
1022	if (new_flags != (flags & tintFlags))
1023	{
1024	flags = (flags & ~tintFlags) | new_flags;	998	bg_flags = (bg_flags & ~BG_TINT_FLAGS) | new_flags;
1025	return true;	999	return true;
1026	}	1000	}
1027		1001
1028	return false;	1002	return false;
1029	}	1003	}
1030		1004
		1005	#if XRENDER
		1006	static void
		1007	get_gaussian_kernel (int radius, int width, double *kernel, XFixed *params)
		1008	{
		1009	double sigma = radius / 2.0;
		1010	double scale = sqrt (2.0 * M_PI) * sigma;
		1011	double sum = 0.0;
		1012
		1013	for (int i = 0; i < width; i++)
		1014	{
		1015	double x = i - width / 2;
		1016	kernel[i] = exp (-(x * x) / (2.0 * sigma * sigma)) / scale;
		1017	sum += kernel[i];
		1018	}
		1019
		1020	params[0] = XDoubleToFixed (width);
		1021	params[1] = XDoubleToFixed (1);
		1022
		1023	for (int i = 0; i < width; i++)
		1024	params[i+2] = XDoubleToFixed (kernel[i] / sum);
		1025	}
		1026	#endif
		1027
1031	bool	1028	bool
1032	bgPixmap_t::set_shade (const char *shade_str)	1029	rxvt_term::blur_pixmap (Pixmap pixmap, Visual *visual, int width, int height)
1033	{	1030	{
1034	int new_shade = (shade_str) ? atoi (shade_str) : 0;	1031	bool ret = false;
		1032	#if XRENDER
		1033	int size = max (h_blurRadius, v_blurRadius) * 2 + 1;
		1034	double *kernel = (double *)malloc (size * sizeof (double));
		1035	XFixed *params = (XFixed *)malloc ((size + 2) * sizeof (XFixed));
1035		1036
1036	if (new_shade < 0 && new_shade > -100)	1037	XRenderPictureAttributes pa;
1037	new_shade = 200 - (100 + new_shade);	1038	XRenderPictFormat *format = XRenderFindVisualFormat (dpy, visual);
1038	else if (new_shade == 100)
1039	new_shade = 0;
1040		1039
1041	if (new_shade != shade)	1040	Picture src = XRenderCreatePicture (dpy, pixmap, format, 0, &pa);
		1041	Picture dst = XRenderCreatePicture (dpy, pixmap, format, 0, &pa);
		1042
		1043	if (kernel && params && src && dst)
1042	{	1044	{
1043	unsigned long new_flags = compute_tint_shade_flags ((flags & tintSet) ? &tint : NULL, new_shade);	1045	if (h_blurRadius)
1044	shade = new_shade;	1046	{
1045	flags = (flags & (~tintFlags | tintSet)) | new_flags;	1047	size = h_blurRadius * 2 + 1;
		1048	get_gaussian_kernel (h_blurRadius, size, kernel, params);
		1049
		1050	XRenderSetPictureFilter (dpy, src, FilterConvolution, params, size+2);
		1051	XRenderComposite (dpy,
		1052	PictOpSrc,
		1053	src,
		1054	None,
		1055	dst,
		1056	0, 0,
		1057	0, 0,
		1058	0, 0,
		1059	width, height);
		1060	}
		1061
		1062	if (v_blurRadius)
		1063	{
		1064	size = v_blurRadius * 2 + 1;
		1065	get_gaussian_kernel (v_blurRadius, size, kernel, params);
		1066	::swap (params[0], params[1]);
		1067
		1068	XRenderSetPictureFilter (dpy, src, FilterConvolution, params, size+2);
		1069	XRenderComposite (dpy,
		1070	PictOpSrc,
		1071	src,
		1072	None,
		1073	dst,
		1074	0, 0,
		1075	0, 0,
		1076	0, 0,
		1077	width, height);
		1078	}
		1079
1046	return true;	1080	ret = true;
1047	}	1081	}
1048		1082
		1083	free (kernel);
		1084	free (params);
		1085	XRenderFreePicture (dpy, src);
		1086	XRenderFreePicture (dpy, dst);
		1087	#endif
1049	return false;	1088	return ret;
1050	}	1089	}
1051		1090
1052	bool	1091	bool
1053	bgPixmap_t::tint_pixmap (Pixmap pixmap, Window root, int width, int height)	1092	rxvt_term::tint_pixmap (Pixmap pixmap, Visual *visual, int width, int height)
1054	{	1093	{
1055	Display *dpy = target->dpy;
1056	bool ret = false;	1094	bool ret = false;
1057		1095
1058	if (flags & tintWholesome)	1096	if (bg_flags & BG_TINT_BITAND)
1059	{	1097	{
1060	XGCValues gcv;	1098	XGCValues gcv;
1061	GC gc;	1099	GC gc;
1062		1100
1063	/* In this case we can tint image server-side getting significant	1101	/* In this case we can tint image server-side getting significant
1064	* performance improvements, as we eliminate XImage transfer	1102	* performance improvements, as we eliminate XImage transfer
1065	*/	1103	*/
1066	gcv.foreground = Pixel (tint);	1104	gcv.foreground = Pixel (tint);
1067	gcv.function = GXand;	1105	gcv.function = GXand;
1068	gcv.fill_style = FillSolid;	1106	gcv.fill_style = FillSolid;
1069	gc = XCreateGC (dpy, root, GCFillStyle | GCForeground | GCFunction, &gcv);	1107	gc = XCreateGC (dpy, pixmap, GCFillStyle | GCForeground | GCFunction, &gcv);
1070	if (gc)	1108	if (gc)
1071	{	1109	{
1072	XFillRectangle (dpy, pixmap, gc, 0, 0, width, height);	1110	XFillRectangle (dpy, pixmap, gc, 0, 0, width, height);
1073	ret = true;	1111	ret = true;
1074	XFreeGC (dpy, gc);	1112	XFreeGC (dpy, gc);
1075	}	1113	}
1076	}	1114	}
1077	else	1115	else
1078	{	1116	{
1079	# if XFT	1117	# if XRENDER
1080	rgba c (rgba::MAX_CC,rgba::MAX_CC,rgba::MAX_CC);	1118	rgba c (rgba::MAX_CC,rgba::MAX_CC,rgba::MAX_CC);
1081		1119
1082	if (flags & tintSet)	1120	if (bg_flags & BG_TINT_SET)
1083	tint.get (c);	1121	tint.get (c);
1084		1122
1085	if (shade > 0 && shade < 100)	1123	if (shade <= 100)
1086	{	1124	{
1087	c.r = (c.r * shade) / 100;	1125	c.r = (c.r * shade) / 100;
1088	c.g = (c.g * shade) / 100;	1126	c.g = (c.g * shade) / 100;
1089	c.b = (c.b * shade) / 100;	1127	c.b = (c.b * shade) / 100;
1090	}	1128	}
1091	else if (shade > 100 && shade < 200)	1129	else
1092	{	1130	{
1093	c.r = (c.r * (200 - shade)) / 100;	1131	c.r = (c.r * (200 - shade)) / 100;
1094	c.g = (c.g * (200 - shade)) / 100;	1132	c.g = (c.g * (200 - shade)) / 100;
1095	c.b = (c.b * (200 - shade)) / 100;	1133	c.b = (c.b * (200 - shade)) / 100;
1096	}	1134	}
1097		1135
1098	XRenderPictFormat pf;	1136	XRenderPictFormat *solid_format = XRenderFindStandardFormat (dpy, PictStandardARGB32);
1099	pf.type = PictTypeDirect;
1100	pf.depth = 32;
1101	pf.direct.redMask = 0xff;
1102	pf.direct.greenMask = 0xff;
1103	pf.direct.blueMask = 0xff;
1104	pf.direct.alphaMask = 0xff;
1105
1106	XRenderPictFormat *solid_format = XRenderFindFormat (dpy,	1137	XRenderPictFormat *format = XRenderFindVisualFormat (dpy, visual);
1107	(PictFormatType|
1108	PictFormatDepth|
1109	PictFormatRedMask|
1110	PictFormatGreenMask|
1111	PictFormatBlueMask|
1112	PictFormatAlphaMask),
1113	&pf,
1114	0);
1115	XRenderPictFormat *root_format = XRenderFindVisualFormat (dpy, DefaultVisualOfScreen (ScreenOfDisplay (dpy, target->display->screen)));
1116	XRenderPictureAttributes pa;	1138	XRenderPictureAttributes pa;
1117		1139
1118	Picture back_pic = XRenderCreatePicture (dpy, pixmap, root_format, 0, &pa);	1140	Picture back_pic = XRenderCreatePicture (dpy, pixmap, format, 0, &pa);
1119		1141
1120	pa.repeat = True;	1142	pa.repeat = True;
1121		1143
1122	Pixmap overlay_pmap = XCreatePixmap (dpy, root, 1, 1, 32);	1144	Pixmap overlay_pmap = XCreatePixmap (dpy, pixmap, 1, 1, 32);
1123	Picture overlay_pic = XRenderCreatePicture (dpy, overlay_pmap, solid_format, CPRepeat, &pa);	1145	Picture overlay_pic = XRenderCreatePicture (dpy, overlay_pmap, solid_format, CPRepeat, &pa);
1124	XFreePixmap (dpy, overlay_pmap);	1146	XFreePixmap (dpy, overlay_pmap);
1125		1147
1126	pa.component_alpha = True;	1148	pa.component_alpha = True;
1127	Pixmap mask_pmap = XCreatePixmap (dpy, root, 1, 1, 32);	1149	Pixmap mask_pmap = XCreatePixmap (dpy, pixmap, 1, 1, 32);
1128	Picture mask_pic = XRenderCreatePicture (dpy, mask_pmap, solid_format, CPRepeat|CPComponentAlpha, &pa);	1150	Picture mask_pic = XRenderCreatePicture (dpy, mask_pmap, solid_format, CPRepeat|CPComponentAlpha, &pa);
1129	XFreePixmap (dpy, mask_pmap);	1151	XFreePixmap (dpy, mask_pmap);
1130		1152
1131	if (mask_pic && overlay_pic && back_pic)	1153	if (mask_pic && overlay_pic && back_pic)
1132	{	1154	{
1133	XRenderColor mask_c;	1155	XRenderColor mask_c;
1134		1156
1135	memset (&mask_c, (shade > 100) ? 0xFF : 0x0, sizeof (mask_c));	1157	mask_c.red = mask_c.green = mask_c.blue = 0;
1136	mask_c.alpha = 0xffff;	1158	mask_c.alpha = 0xffff;
1137	XRenderFillRectangle (dpy, PictOpSrc, overlay_pic, &mask_c, 0, 0, 1, 1);	1159	XRenderFillRectangle (dpy, PictOpSrc, overlay_pic, &mask_c, 0, 0, 1, 1);
1138		1160
1139	mask_c.alpha = 0;	1161	mask_c.alpha = 0;
1140	mask_c.red = 0xffff - c.r;	1162	mask_c.red = 0xffff - c.r;
1141	mask_c.green = 0xffff - c.g;	1163	mask_c.green = 0xffff - c.g;
1142	mask_c.blue = 0xffff - c.b;	1164	mask_c.blue = 0xffff - c.b;
1143	XRenderFillRectangle (dpy, PictOpSrc, mask_pic, &mask_c, 0, 0, 1, 1);	1165	XRenderFillRectangle (dpy, PictOpSrc, mask_pic, &mask_c, 0, 0, 1, 1);
1144	XRenderComposite (dpy, PictOpOver, overlay_pic, mask_pic, back_pic, 0, 0, 0, 0, 0, 0, width, height);	1166	XRenderComposite (dpy, PictOpOver, overlay_pic, mask_pic, back_pic, 0, 0, 0, 0, 0, 0, width, height);
		1167
		1168	if (shade > 100)
		1169	{
		1170	mask_c.red = mask_c.green = mask_c.blue = 0xffff * (shade - 100) / 100;
		1171	mask_c.alpha = 0;
		1172	XRenderFillRectangle (dpy, PictOpSrc, overlay_pic, &mask_c, 0, 0, 1, 1);
		1173
		1174	XRenderComposite (dpy, PictOpOver, overlay_pic, None, back_pic, 0, 0, 0, 0, 0, 0, width, height);
		1175	}
		1176
1145	ret = true;	1177	ret = true;
1146	}	1178	}
1147		1179
1148	XRenderFreePicture (dpy, mask_pic);	1180	XRenderFreePicture (dpy, mask_pic);
1149	XRenderFreePicture (dpy, overlay_pic);	1181	XRenderFreePicture (dpy, overlay_pic);
1150	XRenderFreePicture (dpy, back_pic);	1182	XRenderFreePicture (dpy, back_pic);
1151	# if DO_TIMING_TEST
1152	XSync (dpy, False);
1153	# endif
1154	# endif	1183	# endif
1155	}	1184	}
1156		1185
1157	return ret;	1186	return ret;
1158	}	1187	}
1159		1188
1160	/* make_transparency_pixmap()	1189	/* make_transparency_pixmap()
1161	* Builds a pixmap sized the same as terminal window, with depth same as the root window	1190	* Builds a pixmap of the same size as the terminal window that contains
1162	* that pixmap contains tiled portion of the root pixmap that is supposed to be covered by	1191	* the tiled portion of the root pixmap that is supposed to be covered by
1163	* our window.	1192	* our window.
1164	*/	1193	*/
1165	unsigned long	1194	unsigned long
1166	bgPixmap_t::make_transparency_pixmap ()	1195	rxvt_term::make_transparency_pixmap ()
1167	{	1196	{
1168	unsigned long result = 0;	1197	unsigned long result = 0;
1169
1170	if (target == NULL)
1171	return 0;
1172		1198
1173	/* root dimensions may change from call to call - but Display structure should	1199	/* root dimensions may change from call to call - but Display structure should
1174	* be always up-to-date, so let's use it :	1200	* be always up-to-date, so let's use it :
1175	*/	1201	*/
1176	Window root = target->display->root;
1177	int screen = target->display->screen;	1202	int screen = display->screen;
1178	Display *dpy = target->dpy;	1203	int root_depth = DefaultDepth (dpy, screen);
1179	int root_width = DisplayWidth (dpy, screen);	1204	int root_width = DisplayWidth (dpy, screen);
1180	int root_height = DisplayHeight (dpy, screen);	1205	int root_height = DisplayHeight (dpy, screen);
1181	unsigned int root_pmap_width, root_pmap_height;	1206	unsigned int root_pmap_width, root_pmap_height;
1182	int window_width = target->szHint.width;	1207	int window_width = szHint.width;
1183	int window_height = target->szHint.height;	1208	int window_height = szHint.height;
1184	int sx, sy;	1209	int sx, sy;
1185	XGCValues gcv;	1210	XGCValues gcv;
		1211	GC gc;
1186		1212
1187	TIMING_TEST_START (tp);	1213	sx = target_x;
1188	target->get_window_origin (sx, sy);	1214	sy = target_y;
1189		1215
1190	/* check if we are outside of the visible part of the virtual screen : */	1216	/* check if we are outside of the visible part of the virtual screen : */
1191	if (sx + window_width <= 0 || sy + window_height <= 0	1217	if (sx + window_width <= 0 || sy + window_height <= 0
1192	|| sx >= root_width || sy >= root_height)	1218	|| sx >= root_width || sy >= root_height)
1193	return 0;	1219	return 0;
1194		1220
		1221	// validate root pixmap and get its size
1195	if (root_pixmap != None)	1222	if (root_pixmap != None)
1196	{	1223	{
1197	/* we want to validate the pixmap and get it's size at the same time : */	1224	Window wdummy;
1198	int junk;	1225	int idummy;
1199	unsigned int ujunk;	1226	unsigned int udummy;
1200	/* root pixmap may be bad - allow a error */	1227
1201	target->allowedxerror = -1;	1228	allowedxerror = -1;
1202		1229
1203	if (!XGetGeometry (dpy, root_pixmap, &root, &junk, &junk, &root_pmap_width, &root_pmap_height, &ujunk, &ujunk))	1230	if (!XGetGeometry (dpy, root_pixmap, &wdummy, &idummy, &idummy, &root_pmap_width, &root_pmap_height, &udummy, &udummy))
1204	root_pixmap = None;	1231	root_pixmap = None;
1205		1232
1206	target->allowedxerror = 0;	1233	allowedxerror = 0;
		1234	}
		1235
		1236	Pixmap recoded_root_pmap = root_pixmap;
		1237
		1238	if (root_pixmap != None && root_depth != depth)
1207	}	1239	{
		1240	#if XRENDER
		1241	if (bg_flags & BG_HAS_RENDER)
		1242	{
		1243	XRenderPictureAttributes pa;
1208		1244
1209	Pixmap tiled_root_pmap = XCreatePixmap (dpy, root, window_width, window_height, root_depth);	1245	XRenderPictFormat *src_format = XRenderFindVisualFormat (dpy, DefaultVisual (dpy, screen));
1210	GC gc = NULL;	1246	Picture src = XRenderCreatePicture (dpy, root_pixmap, src_format, 0, &pa);
1211		1247
1212	if (tiled_root_pmap == None) /* something really bad happened - abort */	1248	recoded_root_pmap = XCreatePixmap (dpy, vt, root_pmap_width, root_pmap_height, depth);
		1249	XRenderPictFormat *dst_format = XRenderFindVisualFormat (dpy, visual);
		1250	Picture dst = XRenderCreatePicture (dpy, recoded_root_pmap, dst_format, 0, &pa);
		1251
		1252	if (src && dst)
		1253	XRenderComposite (dpy, PictOpSrc, src, None, dst, 0, 0, 0, 0, 0, 0, root_pmap_width, root_pmap_height);
		1254	else
		1255	{
		1256	XFreePixmap (dpy, recoded_root_pmap);
		1257	root_pixmap = None;
		1258	}
		1259
		1260	XRenderFreePicture (dpy, src);
		1261	XRenderFreePicture (dpy, dst);
		1262	}
		1263	else
		1264	#endif
		1265	root_pixmap = None;
		1266	}
		1267
		1268	if (root_pixmap == None)
1213	return 0;	1269	return 0;
1214		1270
		1271	if (bg_pixmap == None
		1272	|| bg_pmap_width != window_width
		1273	|| bg_pmap_height != window_height)
		1274	{
		1275	if (bg_pixmap)
		1276	XFreePixmap (dpy, bg_pixmap);
		1277	bg_pixmap = XCreatePixmap (dpy, vt, window_width, window_height, depth);
		1278	bg_pmap_width = window_width;
		1279	bg_pmap_height = window_height;
		1280	}
		1281
1215	if (root_pixmap == None)	1282	if (bg_pixmap == None)
1216	{	1283	return 0;
1217	/* use tricks to obtain the root background image :*/
1218	/* we want to create Overrideredirect window overlapping out window
1219	with background type of Parent Relative and then grab it */
1220	XSetWindowAttributes attr;
1221	Window src;
1222	bool success = false;
1223		1284
1224	attr.background_pixmap = ParentRelative;
1225	attr.backing_store = Always;
1226	attr.event_mask = ExposureMask;
1227	attr.override_redirect = True;
1228	src = XCreateWindow (dpy, root, sx, sy, window_width, window_height, 0,
1229	CopyFromParent, CopyFromParent, CopyFromParent,
1230	CWBackPixmap|CWBackingStore|CWOverrideRedirect|CWEventMask,
1231	&attr);
1232
1233	if (src != None)
1234	{
1235	XEvent event;
1236	int ev_count = 0;
1237	XGrabServer (dpy);
1238	XMapRaised (dpy, src);
1239	XSync (dpy, False);
1240
1241	/* XSync should get window where it's properly exposed,
1242	* but to be on the safe side - let's check for the actual event to arrive : */
1243	while (XCheckWindowEvent (dpy, src, ExposureMask, &event))
1244	++ev_count;
1245
1246	if (ev_count > 0);
1247	{
1248	/* hooray! - we can grab the image! */
1249	gc = XCreateGC (dpy, root, 0, NULL);
1250	if (gc)
1251	{
1252	XCopyArea (dpy, src, tiled_root_pmap, gc, 0, 0, window_width, window_height, 0, 0);
1253	success = true;
1254	}
1255	}
1256
1257	XDestroyWindow (dpy, src);
1258	XUngrabServer (dpy);
1259	//fprintf (stderr, "%s:%d: ev_count = %d\n", __FUNCTION__, __LINE__, ev_count);
1260	}
1261
1262	if (!success)
1263	{
1264	XFreePixmap (dpy, tiled_root_pmap);
1265	tiled_root_pmap = None;
1266	}
1267	else
1268	result |= transpPmapTiled;
1269	}
1270	else
1271	{
1272	/* straightforward pixmap copy */	1285	/* straightforward pixmap copy */
1273	gcv.tile = root_pixmap;
1274	gcv.fill_style = FillTiled;
1275
1276	while (sx < 0) sx += (int)root_width;	1286	while (sx < 0) sx += (int)root_width;
1277	while (sy < 0) sy += (int)root_height;	1287	while (sy < 0) sy += (int)root_height;
1278		1288
		1289	gcv.tile = recoded_root_pmap;
		1290	gcv.fill_style = FillTiled;
1279	gcv.ts_x_origin = -sx;	1291	gcv.ts_x_origin = -sx;
1280	gcv.ts_y_origin = -sy;	1292	gcv.ts_y_origin = -sy;
1281	gc = XCreateGC (dpy, root, GCFillStyle | GCTile | GCTileStipXOrigin | GCTileStipYOrigin, &gcv);	1293	gc = XCreateGC (dpy, vt, GCFillStyle | GCTile | GCTileStipXOrigin | GCTileStipYOrigin, &gcv);
		1294
		1295	if (gc)
		1296	{
		1297	XFillRectangle (dpy, bg_pixmap, gc, 0, 0, window_width, window_height);
		1298	result |= BG_IS_VALID | (bg_flags & BG_EFFECTS_FLAGS);
		1299	XFreeGC (dpy, gc);
		1300
		1301	if (!(bg_flags & BG_CLIENT_RENDER))
		1302	{
		1303	if ((bg_flags & BG_NEEDS_BLUR)
		1304	&& (bg_flags & BG_HAS_RENDER_CONV))
		1305	{
		1306	if (blur_pixmap (bg_pixmap, visual, window_width, window_height))
		1307	result &= ~BG_NEEDS_BLUR;
		1308	}
		1309	if ((bg_flags & BG_NEEDS_TINT)
		1310	&& (bg_flags & (BG_TINT_BITAND | BG_HAS_RENDER)))
		1311	{
		1312	if (tint_pixmap (bg_pixmap, visual, window_width, window_height))
		1313	result &= ~BG_NEEDS_TINT;
		1314	}
		1315	} /* server side rendering completed */
		1316	}
		1317
		1318	if (recoded_root_pmap != root_pixmap)
		1319	XFreePixmap (dpy, recoded_root_pmap);
		1320
		1321	return result;
		1322	}
		1323
		1324	void
		1325	rxvt_term::bg_set_root_pixmap ()
		1326	{
		1327	Pixmap new_root_pixmap = get_pixmap_property (xa[XA_XROOTPMAP_ID]);
		1328	if (new_root_pixmap == None)
		1329	new_root_pixmap = get_pixmap_property (xa[XA_ESETROOT_PMAP_ID]);
		1330
		1331	root_pixmap = new_root_pixmap;
		1332	}
		1333	# endif /* ENABLE_TRANSPARENCY */
		1334
		1335	#if defined(ENABLE_TRANSPARENCY) && !defined(HAVE_AFTERIMAGE)
		1336	static void shade_ximage (Visual *visual, XImage *ximage, int shade, const rgba &c);
		1337	# endif
		1338
		1339	bool
		1340	rxvt_term::bg_render ()
		1341	{
		1342	unsigned long tr_flags = 0;
		1343
		1344	bg_invalidate ();
		1345	# ifdef ENABLE_TRANSPARENCY
		1346	if (bg_flags & BG_IS_TRANSPARENT)
		1347	{
		1348	/* we need to re-generate transparency pixmap in that case ! */
		1349	tr_flags = make_transparency_pixmap ();
		1350	if (tr_flags == 0)
		1351	return false;
		1352	else if (!(tr_flags & BG_EFFECTS_FLAGS))
		1353	bg_flags |= BG_IS_VALID;
		1354	}
		1355	# endif
		1356
		1357	# ifdef BG_IMAGE_FROM_FILE
		1358	if ((bg_flags & BG_IS_FROM_FILE)
		1359	|| (tr_flags & BG_EFFECTS_FLAGS))
		1360	{
		1361	if (render_image (tr_flags))
		1362	bg_flags |= BG_IS_VALID;
		1363	}
		1364	# endif
		1365
		1366	# if defined(ENABLE_TRANSPARENCY) && !defined(HAVE_AFTERIMAGE)
		1367	XImage *result = NULL;
		1368
		1369	if (tr_flags && !(bg_flags & BG_IS_VALID))
		1370	{
		1371	result = XGetImage (dpy, bg_pixmap, 0, 0, bg_pmap_width, bg_pmap_height, AllPlanes, ZPixmap);
		1372	}
		1373
		1374	if (result)
		1375	{
		1376	/* our own client-side tinting */
		1377	if (tr_flags & BG_NEEDS_TINT)
		1378	{
		1379	rgba c (rgba::MAX_CC,rgba::MAX_CC,rgba::MAX_CC);
		1380	if (bg_flags & BG_TINT_SET)
		1381	tint.get (c);
		1382	shade_ximage (DefaultVisual (dpy, display->screen), result, shade, c);
		1383	}
		1384
		1385	GC gc = XCreateGC (dpy, vt, 0UL, NULL);
1282		1386
1283	if (gc)	1387	if (gc)
1284	{	1388	{
1285	XFillRectangle (dpy, tiled_root_pmap, gc, 0, 0, window_width, window_height);	1389	XPutImage (dpy, bg_pixmap, gc, result, 0, 0, 0, 0, result->width, result->height);
1286	result |= transpPmapTiled;
1287	}
1288	}
1289	TIMING_TEST_PRINT_RESULT (tp);
1290		1390
1291	if (tiled_root_pmap != None)	1391	XFreeGC (dpy, gc);
1292	{	1392	bg_flags |= BG_IS_VALID;
1293	if (!need_client_side_rendering ())
1294	{	1393	}
1295	if ((flags & tintNeeded))
1296	{
1297	if (tint_pixmap (tiled_root_pmap, root, window_width, window_height))
1298	result |= transpPmapTinted;
1299	}
1300	} /* server side rendering completed */
1301		1394
1302	if (pixmap)	1395	XDestroyImage (result);
1303	XFreePixmap (dpy, pixmap);
1304
1305	pixmap = tiled_root_pmap;
1306	pmap_width = window_width;
1307	pmap_height = window_height;
1308	pmap_depth = root_depth;
1309	}
1310
1311	if (gc)
1312	XFreeGC (dpy, gc);
1313
1314	TIMING_TEST_PRINT_RESULT (tp);
1315
1316	return result;
1317	}
1318
1319	bool
1320	bgPixmap_t::set_root_pixmap ()
1321	{
1322	Pixmap new_root_pixmap = target->get_pixmap_property (XA_XROOTPMAP_ID);
1323	if (new_root_pixmap == None)
1324	new_root_pixmap = target->get_pixmap_property (XA_ESETROOT_PMAP_ID);
1325
1326	if (new_root_pixmap != root_pixmap)
1327	{	1396	}
1328	root_pixmap = new_root_pixmap;
1329	return true;
1330	}
1331
1332	return false;
1333	}
1334	# endif /* ENABLE_TRANSPARENCY */
1335
1336	# ifndef HAVE_AFTERIMAGE
1337	static void ShadeXImage(rxvt_term *term, XImage *srcImage, int shade, int rm, int gm, int bm);
1338	# endif	1397	# endif
1339		1398
1340	bool	1399	if (!(bg_flags & BG_IS_VALID))
1341	bgPixmap_t::render ()
1342	{
1343	unsigned long background_flags = 0;
1344
1345	if (target == NULL)
1346	return false;
1347
1348	TIMING_TEST_START (tp);
1349
1350	invalidate ();
1351	# ifdef ENABLE_TRANSPARENCY
1352	if (flags & isTransparent)
1353	{
1354	/* we need to re-generate transparency pixmap in that case ! */
1355	background_flags = make_transparency_pixmap ();
1356	if (background_flags == 0)
1357	return false;
1358	else if ((background_flags & transpTransformations) == (flags & transpTransformations)
1359	&& pmap_depth == target->depth)
1360	flags = flags & ~isInvalid;
1361	}	1400	{
1362	# endif
1363
1364	# ifdef BG_IMAGE_FROM_FILE
1365	if (have_image
1366	|| (background_flags & transpTransformations) != (flags & transpTransformations))
1367	{
1368	if (render_image (background_flags))
1369	flags = flags & ~isInvalid;
1370	}
1371	# endif
1372
1373	XImage *result = NULL;
1374
1375	if (background_flags && (flags & isInvalid))
1376	{
1377	result = XGetImage (target->dpy, pixmap, 0, 0, pmap_width, pmap_height, AllPlanes, ZPixmap);
1378	}
1379
1380	if (result)
1381	{
1382	# if !defined(HAVE_AFTERIMAGE) && !XFT
1383	/* our own client-side tinting */
1384	/* ATTENTION: We ASSUME that XFT will let us do all the tinting necessary server-side.
1385	This may need to be changed in need_client_side_rendering() logic is altered !!! */
1386	if (!(background_flags & transpPmapTinted) && (flags & tintNeeded))
1387	{
1388	rgba c (rgba::MAX_CC,rgba::MAX_CC,rgba::MAX_CC);
1389	if (flags & tintSet)
1390	tint.get (c);
1391	ShadeXImage (target, result, shade, c.r, c.g, c.b);
1392	}
1393	# endif
1394
1395	GC gc = XCreateGC (target->dpy, target->vt, 0UL, NULL);
1396
1397	if (gc)
1398	{
1399	if (/*pmap_depth != target->depth &&*/ pixmap != None)
1400	{
1401	XFreePixmap (target->dpy, pixmap);
1402	pixmap = None;
1403	}
1404
1405	if (pixmap == None)
1406	{
1407	pixmap = XCreatePixmap (target->dpy, target->vt, result->width, result->height, target->depth);
1408	pmap_width = result->width;
1409	pmap_height = result->height;
1410	pmap_depth = target->depth;
1411	}
1412
1413	if (pmap_depth != result->depth)
1414	{
1415	/* Bad Match error will ensue ! stupid X !!!! */
1416	if (result->depth == 24 && pmap_depth == 32)
1417	result->depth = 32;
1418	else if (result->depth == 32 && pmap_depth == 24)
1419	result->depth = 24;
1420	else
1421	{
1422	/* TODO: implement image recoding */
1423	}
1424	}
1425
1426	if (pmap_depth == result->depth)
1427	XPutImage (target->dpy, pixmap, gc, result, 0, 0, 0, 0, result->width, result->height);
1428
1429	XFreeGC (target->dpy, gc);
1430	flags = flags & ~isInvalid;
1431	}
1432
1433	XDestroyImage (result);
1434	}
1435
1436	if (flags & isInvalid)
1437	{
1438	if (pixmap != None)	1401	if (bg_pixmap != None)
1439	{	1402	{
1440	XFreePixmap (target->dpy, pixmap);	1403	XFreePixmap (dpy, bg_pixmap);
1441	pixmap = None;	1404	bg_pixmap = None;
1442	}	1405	}
1443	}	1406	}
1444		1407
1445	apply ();	1408	scr_recolour (false);
		1409	bg_flags |= BG_NEEDS_REFRESH;
1446		1410
1447	XSync (target->dpy, False);
1448	valid_since = ev::now ();	1411	bg_valid_since = ev::now ();
1449
1450	TIMING_TEST_PRINT_RESULT (tp);
1451		1412
1452	return true;	1413	return true;
1453	}	1414	}
1454		1415
1455	bool
1456	bgPixmap_t::set_target (rxvt_term *new_target)
1457	{
1458	if (new_target)
1459	if (target != new_target)
1460	{
1461	target = new_target;
1462	# ifdef ENABLE_TRANSPARENCY
1463	root_depth = DefaultDepthOfScreen (ScreenOfDisplay (target->dpy, target->display->screen));
1464	# endif
1465	return true;
1466	}
1467
1468	return false;
1469	}
1470
1471	void	1416	void
1472	bgPixmap_t::apply ()	1417	rxvt_term::bg_init ()
1473	{	1418	{
1474	if (target)
1475	{
1476	flags &= ~isVtOrigin;
1477
1478	if (pixmap != None)
1479	{
1480	/* set target's background to pixmap */
1481	# ifdef ENABLE_TRANSPARENCY	1419	#ifdef ENABLE_TRANSPARENCY
1482	if (flags & isTransparent)	1420	shade = 100;
1483	{
1484	XSetWindowBackgroundPixmap (target->dpy, target->parent[0], pixmap);
1485	XSetWindowBackgroundPixmap (target->dpy, target->vt, ParentRelative);
1486
1487	if (target->scrollBar.win)
1488	XSetWindowBackgroundPixmap (target->dpy, target->scrollBar.win, ParentRelative);
1489	}
1490	else
1491	# endif	1421	#endif
1492	{
1493	flags |= isVtOrigin;
1494	/* force old pixmap dereference in case it was transparent before :*/
1495	XSetWindowBackground (target->dpy, target->parent[0], target->pix_colors[Color_border]);
1496	XSetWindowBackgroundPixmap (target->dpy, target->vt, pixmap);
1497	/* do we also need to set scrollbar's background here ? */
1498		1422
1499	if (target->scrollBar.win)	1423	bg_flags &= ~(BG_HAS_RENDER | BG_HAS_RENDER_CONV);
1500	XSetWindowBackground (target->dpy, target->scrollBar.win, target->pix_colors[Color_border]);	1424	#if XRENDER
1501	}	1425	int major, minor;
1502	}	1426	if (XRenderQueryVersion (dpy, &major, &minor))
1503	else	1427	bg_flags |= BG_HAS_RENDER;
1504	{	1428	XFilters *filters = XRenderQueryFilters (dpy, vt);
1505	/* set target background to a pixel */	1429	if (filters)
1506	XSetWindowBackground (target->dpy, target->parent[0], target->pix_colors[Color_border]);
1507	XSetWindowBackground (target->dpy, target->vt, target->pix_colors[Color_bg]);
1508	/* do we also need to set scrollbar's background here ? */
1509	if (target->scrollBar.win)
1510	XSetWindowBackground (target->dpy, target->scrollBar.win, target->pix_colors[Color_border]);
1511	}
1512
1513	/* don't want Expose on the parent or vt. It is better to use
1514	scr_touch or we get a great deal of flicker otherwise: */
1515	XClearWindow (target->dpy, target->parent[0]);
1516
1517	if (target->scrollBar.state && target->scrollBar.win)
1518	{
1519	target->scrollBar.state = STATE_IDLE;
1520	target->scrollBar.show (0);
1521	}
1522
1523	target->want_refresh = 1;
1524	flags |= hasChanged;
1525	}	1430	{
		1431	for (int i = 0; i < filters->nfilter; i++)
		1432	if (!strcmp (filters->filter[i], FilterConvolution))
		1433	bg_flags |= BG_HAS_RENDER_CONV;
		1434
		1435	XFree (filters);
		1436	}
		1437	#endif
1526	}	1438	}
1527		1439
1528	#endif /* HAVE_BG_PIXMAP */	1440	#endif /* HAVE_BG_PIXMAP */
1529		1441
1530	#if defined(ENABLE_TRANSPARENCY) && !defined(HAVE_AFTERIMAGE) && !XFT	1442	#if defined(ENABLE_TRANSPARENCY) && !defined(HAVE_AFTERIMAGE)
1531	/* taken from aterm-0.4.2 */	1443	/* taken from aterm-0.4.2 */
1532		1444
1533	typedef uint32_t RUINT32T;
1534
1535	static void	1445	static void
1536	ShadeXImage(rxvt_term *term, XImage *srcImage, int shade, int rm, int gm, int bm)	1446	shade_ximage (Visual *visual, XImage *ximage, int shade, const rgba &c)
1537	{	1447	{
1538	int sh_r, sh_g, sh_b;	1448	int sh_r, sh_g, sh_b;
1539	RUINT32T mask_r, mask_g, mask_b;	1449	uint32_t mask_r, mask_g, mask_b;
1540	RUINT32T *lookup, *lookup_r, *lookup_g, *lookup_b;	1450	uint32_t *lookup, *lookup_r, *lookup_g, *lookup_b;
1541	unsigned int lower_lim_r, lower_lim_g, lower_lim_b;	1451	rgba low;
1542	unsigned int upper_lim_r, upper_lim_g, upper_lim_b;	1452	rgba high;
1543	int i;	1453	int i;
		1454	int host_byte_order = byteorder::big_endian () ? MSBFirst : LSBFirst;
1544		1455
1545	Visual *visual = term->visual;
1546
1547	if (visual->c_class != TrueColor || srcImage->format != ZPixmap) return ;	1456	if (visual->c_class != TrueColor || ximage->format != ZPixmap) return;
1548
1549	if (shade == 0)
1550	shade = 100;
1551		1457
1552	/* for convenience */	1458	/* for convenience */
1553	mask_r = visual->red_mask;	1459	mask_r = visual->red_mask;
1554	mask_g = visual->green_mask;	1460	mask_g = visual->green_mask;
1555	mask_b = visual->blue_mask;	1461	mask_b = visual->blue_mask;
1556		1462
1557	/* boring lookup table pre-initialization */	1463	/* boring lookup table pre-initialization */
1558	switch (srcImage->bits_per_pixel) {	1464	switch (ximage->depth)
		1465	{
1559	case 15:	1466	case 15:
1560	if ((mask_r != 0x7c00) ||	1467	if ((mask_r != 0x7c00) ||
1561	(mask_g != 0x03e0) ||	1468	(mask_g != 0x03e0) ||
1562	(mask_b != 0x001f))	1469	(mask_b != 0x001f))
1563	return;	1470	return;
1564	lookup = (RUINT32T *) malloc (sizeof (RUINT32T)*(32+32+32));	1471	lookup = (uint32_t *) malloc (sizeof (uint32_t)*(32+32+32));
1565	lookup_r = lookup;	1472	lookup_r = lookup;
1566	lookup_g = lookup+32;	1473	lookup_g = lookup+32;
1567	lookup_b = lookup+32+32;	1474	lookup_b = lookup+32+32;
1568	sh_r = 10;	1475	sh_r = 10;
1569	sh_g = 5;	1476	sh_g = 5;
1570	sh_b = 0;	1477	sh_b = 0;
1571	break;	1478	break;
1572	case 16:	1479	case 16:
1573	if ((mask_r != 0xf800) ||	1480	if ((mask_r != 0xf800) ||
1574	(mask_g != 0x07e0) ||	1481	(mask_g != 0x07e0) ||
1575	(mask_b != 0x001f))	1482	(mask_b != 0x001f))
1576	return;	1483	return;
1577	lookup = (RUINT32T *) malloc (sizeof (RUINT32T)*(32+64+32));	1484	lookup = (uint32_t *) malloc (sizeof (uint32_t)*(32+64+32));
1578	lookup_r = lookup;	1485	lookup_r = lookup;
1579	lookup_g = lookup+32;	1486	lookup_g = lookup+32;
1580	lookup_b = lookup+32+64;	1487	lookup_b = lookup+32+64;
1581	sh_r = 11;	1488	sh_r = 11;
1582	sh_g = 5;	1489	sh_g = 5;
1583	sh_b = 0;	1490	sh_b = 0;
1584	break;	1491	break;
1585	case 24:	1492	case 24:
1586	if ((mask_r != 0xff0000) ||	1493	if ((mask_r != 0xff0000) ||
1587	(mask_g != 0x00ff00) ||	1494	(mask_g != 0x00ff00) ||
1588	(mask_b != 0x0000ff))	1495	(mask_b != 0x0000ff))
1589	return;	1496	return;
1590	lookup = (RUINT32T *) malloc (sizeof (RUINT32T)*(256+256+256));	1497	lookup = (uint32_t *) malloc (sizeof (uint32_t)*(256+256+256));
1591	lookup_r = lookup;	1498	lookup_r = lookup;
1592	lookup_g = lookup+256;	1499	lookup_g = lookup+256;
1593	lookup_b = lookup+256+256;	1500	lookup_b = lookup+256+256;
1594	sh_r = 16;	1501	sh_r = 16;
1595	sh_g = 8;	1502	sh_g = 8;
1596	sh_b = 0;	1503	sh_b = 0;
1597	break;	1504	break;
1598	case 32:	1505	case 32:
1599	if ((mask_r != 0xff0000) ||	1506	if ((mask_r != 0xff0000) ||
1600	(mask_g != 0x00ff00) ||	1507	(mask_g != 0x00ff00) ||
1601	(mask_b != 0x0000ff))	1508	(mask_b != 0x0000ff))
1602	return;	1509	return;
1603	lookup = (RUINT32T *) malloc (sizeof (RUINT32T)*(256+256+256));	1510	lookup = (uint32_t *) malloc (sizeof (uint32_t)*(256+256+256));
1604	lookup_r = lookup;	1511	lookup_r = lookup;
1605	lookup_g = lookup+256;	1512	lookup_g = lookup+256;
1606	lookup_b = lookup+256+256;	1513	lookup_b = lookup+256+256;
1607	sh_r = 16;	1514	sh_r = 16;
1608	sh_g = 8;	1515	sh_g = 8;
1609	sh_b = 0;	1516	sh_b = 0;
1610	break;	1517	break;
1611	default:	1518	default:
1612	return; /* we do not support this color depth */	1519	return; /* we do not support this color depth */
1613	}	1520	}
1614		1521
1615	/* prepare limits for color transformation (each channel is handled separately) */	1522	/* prepare limits for color transformation (each channel is handled separately) */
1616	if (shade < 0) {	1523	if (shade > 100)
		1524	{
1617	shade = -shade;	1525	shade = 200 - shade;
1618	if (shade < 0) shade = 0;
1619	if (shade > 100) shade = 100;
1620		1526
1621	lower_lim_r = 65535-rm;	1527	high.r = c.r * shade / 100;
1622	lower_lim_g = 65535-gm;	1528	high.g = c.g * shade / 100;
1623	lower_lim_b = 65535-bm;	1529	high.b = c.b * shade / 100;
1624		1530
1625	lower_lim_r = 65535-(unsigned int)(((RUINT32T)lower_lim_r)*((RUINT32T)shade)/100);	1531	low.r = 65535 * (100 - shade) / 100;
1626	lower_lim_g = 65535-(unsigned int)(((RUINT32T)lower_lim_g)*((RUINT32T)shade)/100);	1532	low.g = 65535 * (100 - shade) / 100;
1627	lower_lim_b = 65535-(unsigned int)(((RUINT32T)lower_lim_b)*((RUINT32T)shade)/100);	1533	low.b = 65535 * (100 - shade) / 100;
1628
1629	upper_lim_r = upper_lim_g = upper_lim_b = 65535;
1630	} else {
1631	if (shade < 0) shade = 0;
1632	if (shade > 100) shade = 100;
1633
1634	lower_lim_r = lower_lim_g = lower_lim_b = 0;
1635
1636	upper_lim_r = (unsigned int)((((RUINT32T)rm)*((RUINT32T)shade))/100);
1637	upper_lim_g = (unsigned int)((((RUINT32T)gm)*((RUINT32T)shade))/100);
1638	upper_lim_b = (unsigned int)((((RUINT32T)bm)*((RUINT32T)shade))/100);
1639	}	1534	}
1640		1535	else
1641	/* switch red and blue bytes if necessary, we need it for some weird XServers like XFree86 3.3.3.1 */
1642	if ((srcImage->bits_per_pixel == 24) && (mask_r >= 0xFF0000 ))
1643	{	1536	{
1644	unsigned int tmp;	1537	high.r = c.r * shade / 100;
		1538	high.g = c.g * shade / 100;
		1539	high.b = c.b * shade / 100;
1645		1540
1646	tmp = lower_lim_r;	1541	low.r = low.g = low.b = 0;
1647	lower_lim_r = lower_lim_b;
1648	lower_lim_b = tmp;
1649
1650	tmp = upper_lim_r;
1651	upper_lim_r = upper_lim_b;
1652	upper_lim_b = tmp;
1653	}	1542	}
1654		1543
1655	/* fill our lookup tables */	1544	/* fill our lookup tables */
1656	for (i = 0; i <= mask_r>>sh_r; i++)	1545	for (i = 0; i <= mask_r>>sh_r; i++)
1657	{	1546	{
1658	RUINT32T tmp;	1547	uint32_t tmp;
1659	tmp = ((RUINT32T)i)*((RUINT32T)(upper_lim_r-lower_lim_r));	1548	tmp = i * high.r;
1660	tmp += ((RUINT32T)(mask_r>>sh_r))*((RUINT32T)lower_lim_r);	1549	tmp += (mask_r>>sh_r) * low.r;
1661	lookup_r[i] = (tmp/65535)<<sh_r;	1550	lookup_r[i] = (tmp/65535)<<sh_r;
1662	}	1551	}
1663	for (i = 0; i <= mask_g>>sh_g; i++)	1552	for (i = 0; i <= mask_g>>sh_g; i++)
1664	{	1553	{
1665	RUINT32T tmp;	1554	uint32_t tmp;
1666	tmp = ((RUINT32T)i)*((RUINT32T)(upper_lim_g-lower_lim_g));	1555	tmp = i * high.g;
1667	tmp += ((RUINT32T)(mask_g>>sh_g))*((RUINT32T)lower_lim_g);	1556	tmp += (mask_g>>sh_g) * low.g;
1668	lookup_g[i] = (tmp/65535)<<sh_g;	1557	lookup_g[i] = (tmp/65535)<<sh_g;
1669	}	1558	}
1670	for (i = 0; i <= mask_b>>sh_b; i++)	1559	for (i = 0; i <= mask_b>>sh_b; i++)
1671	{	1560	{
1672	RUINT32T tmp;	1561	uint32_t tmp;
1673	tmp = ((RUINT32T)i)*((RUINT32T)(upper_lim_b-lower_lim_b));	1562	tmp = i * high.b;
1674	tmp += ((RUINT32T)(mask_b>>sh_b))*((RUINT32T)lower_lim_b);	1563	tmp += (mask_b>>sh_b) * low.b;
1675	lookup_b[i] = (tmp/65535)<<sh_b;	1564	lookup_b[i] = (tmp/65535)<<sh_b;
1676	}	1565	}
1677		1566
1678	/* apply table to input image (replacing colors by newly calculated ones) */	1567	/* apply table to input image (replacing colors by newly calculated ones) */
1679	switch (srcImage->bits_per_pixel)	1568	if (ximage->bits_per_pixel == 32
		1569	&& (ximage->depth == 24 || ximage->depth == 32)
		1570	&& ximage->byte_order == host_byte_order)
1680	{	1571	{
1681	case 15:
1682	{
1683	unsigned short *p1, *pf, *p, *pl;	1572	uint32_t *p1, *pf, *p, *pl;
1684	p1 = (unsigned short *) srcImage->data;	1573	p1 = (uint32_t *) ximage->data;
1685	pf = (unsigned short *) (srcImage->data + srcImage->height * srcImage->bytes_per_line);	1574	pf = (uint32_t *) (ximage->data + ximage->height * ximage->bytes_per_line);
		1575
1686	while (p1 < pf)	1576	while (p1 < pf)
1687	{	1577	{
1688	p = p1;	1578	p = p1;
1689	pl = p1 + srcImage->width;	1579	pl = p1 + ximage->width;
1690	for (; p < pl; p++)	1580	for (; p < pl; p++)
1691	{	1581	{
1692	*p = lookup_r[(*p & 0x7c00)>>10] |
1693	lookup_g[(*p & 0x03e0)>> 5] |
1694	lookup_b[(*p & 0x001f)];
1695	}
1696	p1 = (unsigned short *) ((char *) p1 + srcImage->bytes_per_line);
1697	}
1698	break;
1699	}
1700	case 16:
1701	{
1702	unsigned short *p1, *pf, *p, *pl;
1703	p1 = (unsigned short *) srcImage->data;
1704	pf = (unsigned short *) (srcImage->data + srcImage->height * srcImage->bytes_per_line);
1705	while (p1 < pf)
1706	{
1707	p = p1;
1708	pl = p1 + srcImage->width;
1709	for (; p < pl; p++)
1710	{
1711	*p = lookup_r[(*p & 0xf800)>>11] |
1712	lookup_g[(*p & 0x07e0)>> 5] |
1713	lookup_b[(*p & 0x001f)];
1714	}
1715	p1 = (unsigned short *) ((char *) p1 + srcImage->bytes_per_line);
1716	}
1717	break;
1718	}
1719	case 24:
1720	{
1721	unsigned char *p1, *pf, *p, *pl;
1722	p1 = (unsigned char *) srcImage->data;
1723	pf = (unsigned char *) (srcImage->data + srcImage->height * srcImage->bytes_per_line);
1724	while (p1 < pf)
1725	{
1726	p = p1;
1727	pl = p1 + srcImage->width * 3;
1728	for (; p < pl; p += 3)
1729	{
1730	p[0] = lookup_r[(p[0] & 0xff0000)>>16];
1731	p[1] = lookup_r[(p[1] & 0x00ff00)>> 8];
1732	p[2] = lookup_r[(p[2] & 0x0000ff)];
1733	}
1734	p1 = (unsigned char *) ((char *) p1 + srcImage->bytes_per_line);
1735	}
1736	break;
1737	}
1738	case 32:
1739	{
1740	RUINT32T *p1, *pf, *p, *pl;
1741	p1 = (RUINT32T *) srcImage->data;
1742	pf = (RUINT32T *) (srcImage->data + srcImage->height * srcImage->bytes_per_line);
1743
1744	while (p1 < pf)
1745	{
1746	p = p1;
1747	pl = p1 + srcImage->width;
1748	for (; p < pl; p++)
1749	{
1750	*p = lookup_r[(*p & 0xff0000)>>16] |	1582	*p = lookup_r[(*p & 0xff0000) >> 16] |
1751	lookup_g[(*p & 0x00ff00)>> 8] |	1583	lookup_g[(*p & 0x00ff00) >> 8] |
1752	lookup_b[(*p & 0x0000ff)] |	1584	lookup_b[(*p & 0x0000ff)] |
1753	(*p & ~0xffffff);	1585	(*p & 0xff000000);
		1586	}
		1587	p1 = (uint32_t *) ((char *) p1 + ximage->bytes_per_line);
		1588	}
		1589	}
		1590	else
		1591	{
		1592	for (int y = 0; y < ximage->height; y++)
		1593	for (int x = 0; x < ximage->width; x++)
		1594	{
		1595	unsigned long pixel = XGetPixel (ximage, x, y);
		1596	pixel = lookup_r[(pixel & mask_r) >> sh_r] |
		1597	lookup_g[(pixel & mask_g) >> sh_g] |
		1598	lookup_b[(pixel & mask_b) >> sh_b];
		1599	XPutPixel (ximage, x, y, pixel);
1754	}	1600	}
1755	p1 = (RUINT32T *) ((char *) p1 + srcImage->bytes_per_line);
1756	}	1601	}
1757	break;
1758	}
1759	}
1760		1602
1761	free (lookup);	1603	free (lookup);
1762	}	1604	}
1763	#endif /* defined(ENABLE_TRANSPARENCY) && !defined(HAVE_AFTERIMAGE) */	1605	#endif /* defined(ENABLE_TRANSPARENCY) && !defined(HAVE_AFTERIMAGE) */

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