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Comparing rxvt-unicode/src/background.C (file contents):
Revision 1.70 by sf-exg, Tue Oct 5 20:22:25 2010 UTC vs.
Revision 1.144 by sf-exg, Fri Jan 28 00:20:47 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);
121	#endif	70	#endif
…		…
123	#ifdef HAVE_PIXBUF	72	#ifdef HAVE_PIXBUF
124	if (pixbuf)	73	if (pixbuf)
125	g_object_unref (pixbuf);	74	g_object_unref (pixbuf);
126	#endif	75	#endif
127		76
128	if (pixmap && target)	77	if (bg_pixmap)
129	XFreePixmap (target->dpy, pixmap);	78	XFreePixmap (dpy, bg_pixmap);
130	}	79	}
131		80
132	bool	81	bool
133	bgPixmap_t::window_size_sensitive ()	82	rxvt_term::bg_set_position (int x, int y)
		83	{
		84
		85	if (target_x != x
		86	|| target_y != y)
		87	{
		88	target_x = x;
		89	target_y = y;
		90	return true;
		91	}
		92	return false;
		93	}
		94
		95	bool
		96	rxvt_term::bg_window_size_sensitive ()
134	{	97	{
135	# ifdef ENABLE_TRANSPARENCY	98	# ifdef ENABLE_TRANSPARENCY
136	if (flags & isTransparent)	99	if (bg_flags & BG_IS_TRANSPARENT)
137	return true;	100	return true;
138	# endif	101	# endif
139		102
140	# ifdef BG_IMAGE_FROM_FILE	103	# ifdef BG_IMAGE_FROM_FILE
141	if (have_image)	104	if (bg_flags & BG_IS_FROM_FILE)
142	{	105	{
143	if (flags & sizeSensitive)	106	if (bg_flags & BG_IS_SIZE_SENSITIVE)
144	return true;	107	return true;
145	}	108	}
146	# endif	109	# endif
147		110
148	return false;	111	return false;
149	}	112	}
150		113
151	bool	114	bool
152	bgPixmap_t::window_position_sensitive ()	115	rxvt_term::bg_window_position_sensitive ()
153	{	116	{
154	# ifdef ENABLE_TRANSPARENCY	117	# ifdef ENABLE_TRANSPARENCY
155	if (flags & isTransparent)	118	if (bg_flags & BG_IS_TRANSPARENT)
156	return true;	119	return true;
157	# endif	120	# endif
158		121
159	# ifdef BG_IMAGE_FROM_FILE	122	# ifdef BG_IMAGE_FROM_FILE
160	if (have_image)	123	if (bg_flags & BG_IS_FROM_FILE)
161	{	124	{
162	if (flags & rootAlign)	125	if (bg_flags & BG_ROOT_ALIGN)
163	return true;	126	return true;
164	}	127	}
165	# endif	128	# endif
166		129
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;	130	return false;
188	}	131	}
189		132
190	# ifdef BG_IMAGE_FROM_FILE	133	# ifdef BG_IMAGE_FROM_FILE
191	static inline bool	134	static inline bool
…		…
228	int diff = window_size - image_size;	171	int diff = window_size - image_size;
229	int smaller = min (image_size, window_size);	172	int smaller = min (image_size, window_size);
230		173
231	if (align >= 0 && align <= 100)	174	if (align >= 0 && align <= 100)
232	return diff * align / 100;	175	return diff * align / 100;
233	else if (align > 100 && align <= 200 )	176	else if (align > 100 && align <= 200)
234	return ((align - 100) * smaller / 100) + window_size - smaller;	177	return ((align - 100) * smaller / 100) + window_size - smaller;
235	else if (align >= -100 && align < 0)	178	else if (align >= -100 && align < 0)
236	return ((align + 100) * smaller / 100) - image_size;	179	return ((align + 100) * smaller / 100) - image_size;
237	return 0;	180	return 0;
238	}	181	}
…		…
254	dst_size = target_size - dst_pos;	197	dst_size = target_size - dst_pos;
255	return src_pos;	198	return src_pos;
256	}	199	}
257		200
258	bool	201	bool
259	bgPixmap_t::set_geometry (const char *geom)	202	rxvt_term::bg_set_geometry (const char *geom, bool update)
260	{	203	{
		204	bool changed = false;
261	int geom_flags = 0, changed = 0;	205	int geom_flags = 0;
262	int x = 0, y = 0;	206	int x = 0, y = 0;
263	unsigned int w = 0, h = 0;	207	unsigned int w = 0, h = 0;
264	unsigned int n;	208	unsigned int n;
265	unsigned long new_flags = (flags & (~geometryFlags));	209	unsigned long new_flags = (bg_flags & (~BG_GEOMETRY_FLAGS));
266	const char *p;	210	const char *ops;
267	# define MAXLEN_GEOM 256 /* could be longer than regular geometry string */
268		211
269	if (geom == NULL)	212	if (geom == NULL)
270	return false;	213	return false;
271		214
272	char str[MAXLEN_GEOM];	215	char str[256];
273		216
274	while (isspace(*geom)) ++geom;
275	if ((p = strchr (geom, ';')) == NULL)
276	p = strchr (geom, '\0');	217	ops = strchr (geom, ':');
277		218	if (ops == NULL)
		219	n = strlen (geom);
		220	else
278	n = (p - geom);	221	n = ops - geom;
279	if (n < MAXLEN_GEOM)
280	{
281	char *ops;
282	new_flags |= geometrySet;
283		222
		223	if (n >= sizeof (str))
		224	return false;
		225
284	memcpy (str, geom, n);	226	memcpy (str, geom, n);
285	str[n] = '\0';	227	str[n] = '\0';
286	if (str[0] == ':')	228	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		229
302	if (ops > str || ops == NULL)	230	if (str[0])
303	{	231	{
304	/* we have geometry string - let's handle it prior to applying ops */	232	/* we have geometry string - let's handle it prior to applying ops */
305	geom_flags = XParseGeometry (str, &x, &y, &w, &h);	233	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 */	234	} /* done parsing geometry string */
362	else if (!(flags & geometrySet))	235
363	{	236	if (!update)
364	/* default geometry - scaled and centered */	237	{
		238	if (!(geom_flags & XValue))
365	x = y = defaultAlign;	239	x = y = defaultAlign;
		240	else if (!(geom_flags & YValue))
		241	y = x;
		242
		243	if (!(geom_flags & (WidthValue|HeightValue)))
366	w = h = defaultScale;	244	w = h = defaultScale;
367	}	245	else if (!(geom_flags & HeightValue))
		246	h = w;
		247	else if (!(geom_flags & WidthValue))
		248	w = h;
368		249
369	if (!(flags & geometrySet))
370	geom_flags |= WidthValue|HeightValue|XValue|YValue;	250	geom_flags |= WidthValue|HeightValue|XValue|YValue;
		251	}
371		252
372	if (ops)	253	if (ops)
373	{	254	{
374	while (*ops)	255	char **arr = rxvt_strsplit (':', ops + 1);
		256
		257	for (int i = 0; arr[i]; i++)
375	{	258	{
376	while (*ops == ':' || isspace(*ops)) ++ops;	259	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	{	260	{
381	w = h = noScale;	261	w = h = noScale;
382	geom_flags |= WidthValue|HeightValue;	262	geom_flags |= WidthValue|HeightValue;
383	}	263	}
384	else if (CHECK_GEOM_OPS ("propscale"))	264	else if (!strcasecmp (arr[i], "propscale"))
385	{	265	{
386	new_flags |= propScale;	266	new_flags |= BG_PROP_SCALE;
387	}	267	}
388	else if (CHECK_GEOM_OPS ("hscale"))	268	else if (!strcasecmp (arr[i], "hscale"))
389	{	269	{
390	if (w == 0) w = windowScale;	270	if (w == 0) w = windowScale;
391		271
392	h = noScale;	272	h = noScale;
393	geom_flags |= WidthValue|HeightValue;	273	geom_flags |= WidthValue|HeightValue;
394	}	274	}
395	else if (CHECK_GEOM_OPS ("vscale"))	275	else if (!strcasecmp (arr[i], "vscale"))
396	{	276	{
397	if (h == 0) h = windowScale;	277	if (h == 0) h = windowScale;
398		278
399	w = noScale;	279	w = noScale;
400	geom_flags |= WidthValue|HeightValue;	280	geom_flags |= WidthValue|HeightValue;
401	}	281	}
402	else if (CHECK_GEOM_OPS ("scale"))	282	else if (!strcasecmp (arr[i], "scale"))
403	{	283	{
404	if (h == 0) h = windowScale;	284	if (h == 0) h = windowScale;
405	if (w == 0) w = windowScale;	285	if (w == 0) w = windowScale;
406		286
407	geom_flags |= WidthValue|HeightValue;	287	geom_flags |= WidthValue|HeightValue;
408	}	288	}
409	else if (CHECK_GEOM_OPS ("auto"))	289	else if (!strcasecmp (arr[i], "auto"))
410	{	290	{
411	w = h = windowScale;	291	w = h = windowScale;
412	x = y = centerAlign;	292	x = y = centerAlign;
413	geom_flags |= WidthValue|HeightValue|XValue|YValue;	293	geom_flags |= WidthValue|HeightValue|XValue|YValue;
414	}	294	}
415	else if (CHECK_GEOM_OPS ("root"))	295	else if (!strcasecmp (arr[i], "root"))
416	{	296	{
417	new_flags |= rootAlign;	297	new_flags |= BG_ROOT_ALIGN;
418	w = h = noScale;	298	w = h = noScale;
419	geom_flags |= WidthValue|HeightValue;	299	geom_flags |= WidthValue|HeightValue;
420	}	300	}
421	# undef CHECK_GEOM_OPS
422
423	while (*ops != ':' && *ops != '\0') ++ops;
424	} /* done parsing ops */	301	} /* done parsing ops */
425	}
426		302
		303	rxvt_free_strsplit (arr);
		304	}
		305
427	if (check_set_scale_value (geom_flags, WidthValue, h_scale, w)) ++changed;	306	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;	307	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;	308	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;	309	if (check_set_align_value (geom_flags, YValue, v_align, y)) changed = true;
431	}
432		310
433	if (new_flags != flags)	311	if (new_flags != bg_flags)
434	{	312	{
435	flags = new_flags;	313	bg_flags = new_flags;
436	changed++;	314	changed = true;
437	}	315	}
438		316
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);	317	return changed;
442	}	318	}
443		319
444	void	320	void
445	bgPixmap_t::get_image_geometry (int image_width, int image_height, int &w, int &h, int &x, int &y)	321	rxvt_term::get_image_geometry (int image_width, int image_height, int &w, int &h, int &x, int &y)
446	{	322	{
447	int target_width = target->szHint.width;	323	int target_width = szHint.width;
448	int target_height = target->szHint.height;	324	int target_height = szHint.height;
449		325
450	if (flags & propScale)	326	if (bg_flags & BG_PROP_SCALE)
451	{	327	{
452	float scale = (float)target_width / image_width;	328	float scale = (float)target_width / image_width;
453	min_it (scale, (float)target_height / image_height);	329	min_it (scale, (float)target_height / image_height);
454	w = image_width * scale + 0.5;	330	w = image_width * scale + 0.5;
455	h = image_height * scale + 0.5;	331	h = image_height * scale + 0.5;
…		…
461	}	337	}
462		338
463	if (!w) w = image_width;	339	if (!w) w = image_width;
464	if (!h) h = image_height;	340	if (!h) h = image_height;
465		341
466	if (flags & rootAlign)	342	if (bg_flags & BG_ROOT_ALIGN)
467	{	343	{
468	target->get_window_origin (x, y);
469	x = -x;	344	x = -target_x;
470	y = -y;	345	y = -target_y;
471	}	346	}
472	else	347	else
473	{	348	{
474	x = make_align_position (h_align, target_width, w);	349	x = make_align_position (h_align, target_width, w);
475	y = make_align_position (v_align, target_height, h);	350	y = make_align_position (v_align, target_height, h);
476	}	351	}
477		352
478	flags &= ~sizeSensitive;	353	bg_flags &= ~BG_IS_SIZE_SENSITIVE;
479	if (h_scale != 0 || v_scale != 0	354	if ((bg_flags & BG_PROP_SCALE) || h_scale || v_scale
480	|| h_align != 0 || v_align != 0	355	|| (!(bg_flags & BG_ROOT_ALIGN) && (h_align || v_align))
481	|| w > target_width || h > target_height)	356	|| w > target_width || h > target_height)
482	flags |= sizeSensitive;	357	bg_flags |= BG_IS_SIZE_SENSITIVE;
483	}	358	}
484		359
485	# ifdef HAVE_AFTERIMAGE	360	# ifdef HAVE_AFTERIMAGE
486	bool	361	bool
487	bgPixmap_t::render_image (unsigned long background_flags)	362	rxvt_term::render_image (unsigned long tr_flags)
488	{	363	{
489	if (target == NULL)
490	return false;
491
492	target->init_asv ();	364	init_asv ();
493		365
494	ASImage *background = NULL;	366	ASImage *background = NULL;
495	ARGB32 background_tint = TINT_LEAVE_SAME;	367	ARGB32 background_tint = TINT_LEAVE_SAME;
496		368
497	# ifdef ENABLE_TRANSPARENCY	369	# ifdef ENABLE_TRANSPARENCY
498	if (background_flags)	370	if (tr_flags)
499	background = pixmap2ximage (target->asv, pixmap, 0, 0, pmap_width, pmap_height, AllPlanes, 100);	371	background = pixmap2ximage (asv, bg_pixmap, 0, 0, bg_pmap_width, bg_pmap_height, AllPlanes, 100);
500		372
501	if (!(background_flags & transpPmapTinted) && (flags & tintNeeded))	373	if (tr_flags & BG_NEEDS_TINT)
502	{	374	{
503	ShadingInfo as_shade;	375	ShadingInfo as_shade;
504	as_shade.shading = (shade == 0) ? 100 : shade;	376	as_shade.shading = shade;
505		377
506	rgba c (rgba::MAX_CC,rgba::MAX_CC,rgba::MAX_CC);	378	rgba c (rgba::MAX_CC,rgba::MAX_CC,rgba::MAX_CC);
507	if (flags & tintSet)	379	if (bg_flags & BG_TINT_SET)
508	tint.get (c);	380	tint.get (c);
509	as_shade.tintColor.red = c.r;	381	as_shade.tintColor.red = c.r;
510	as_shade.tintColor.green = c.g;	382	as_shade.tintColor.green = c.g;
511	as_shade.tintColor.blue = c.b;	383	as_shade.tintColor.blue = c.b;
512		384
513	background_tint = shading2tint32 (&as_shade);	385	background_tint = shading2tint32 (&as_shade);
514	}	386	}
515		387
516	if (!(background_flags & transpPmapBlured) && (flags & blurNeeded) && background != NULL)	388	if ((tr_flags & BG_NEEDS_BLUR) && background != NULL)
517	{	389	{
518	ASImage *tmp = blur_asimage_gauss (target->asv, background, h_blurRadius, v_blurRadius, 0xFFFFFFFF,	390	ASImage *tmp = blur_asimage_gauss (asv, background, h_blurRadius, v_blurRadius, 0xFFFFFFFF,
519	(original_asim == NULL || tint == TINT_LEAVE_SAME) ? ASA_XImage : ASA_ASImage,	391	(original_asim == NULL || tint == TINT_LEAVE_SAME) ? ASA_XImage : ASA_ASImage,
520	100, ASIMAGE_QUALITY_DEFAULT);	392	100, ASIMAGE_QUALITY_DEFAULT);
521	if (tmp)	393	if (tmp)
522	{	394	{
523	destroy_asimage (&background);	395	destroy_asimage (&background);
…		…
526	}	398	}
527	# endif	399	# endif
528		400
529	ASImage *result = 0;	401	ASImage *result = 0;
530		402
531	int target_width = target->szHint.width;	403	int target_width = szHint.width;
532	int target_height = target->szHint.height;	404	int target_height = szHint.height;
533	int new_pmap_width = target_width;	405	int new_pmap_width = target_width;
534	int new_pmap_height = target_height;	406	int new_pmap_height = target_height;
535		407
536	int x = 0;	408	int x = 0;
537	int y = 0;	409	int y = 0;
538	int w = 0;	410	int w = 0;
539	int h = 0;	411	int h = 0;
540		412
541	TIMING_TEST_START (asim);
542
543	if (original_asim)	413	if (original_asim)
544	get_image_geometry (original_asim->width, original_asim->height, w, h, x, y);	414	get_image_geometry (original_asim->width, original_asim->height, w, h, x, y);
545		415
546	if (!original_asim	416	if (!original_asim
547	|| (!(flags & rootAlign)	417	|| (!(bg_flags & BG_ROOT_ALIGN)
548	&& (x >= target_width	418	&& (x >= target_width
549	|| y >= target_height	419	|| y >= target_height
550	|| (x + w <= 0)	420	|| (x + w <= 0)
551	|| (y + h <= 0))))	421	|| (y + h <= 0))))
552	{	422	{
…		…
556	new_pmap_height = background->height;	426	new_pmap_height = background->height;
557	result = background;	427	result = background;
558		428
559	if (background_tint != TINT_LEAVE_SAME)	429	if (background_tint != TINT_LEAVE_SAME)
560	{	430	{
561	ASImage *tmp = tile_asimage (target->asv, background, 0, 0,	431	ASImage *tmp = tile_asimage (asv, background, 0, 0,
562	target_width, target_height, background_tint,	432	target_width, target_height, background_tint,
563	ASA_XImage, 100, ASIMAGE_QUALITY_DEFAULT);	433	ASA_XImage, 100, ASIMAGE_QUALITY_DEFAULT);
564	if (tmp)	434	if (tmp)
565	result = tmp;	435	result = tmp;
566	}	436	}
…		…
573	result = original_asim;	443	result = original_asim;
574		444
575	if ((w != original_asim->width)	445	if ((w != original_asim->width)
576	|| (h != original_asim->height))	446	|| (h != original_asim->height))
577	{	447	{
578	result = scale_asimage (target->asv, original_asim,	448	result = scale_asimage (asv, original_asim,
579	w, h,	449	w, h,
580	background ? ASA_ASImage : ASA_XImage,	450	background ? ASA_ASImage : ASA_XImage,
581	100, ASIMAGE_QUALITY_DEFAULT);	451	100, ASIMAGE_QUALITY_DEFAULT);
582	}	452	}
583		453
…		…
589	but there is no need to make it bigger than the window! */	459	but there is no need to make it bigger than the window! */
590	new_pmap_width = min (result->width, target_width);	460	new_pmap_width = min (result->width, target_width);
591	new_pmap_height = min (result->height, target_height);	461	new_pmap_height = min (result->height, target_height);
592		462
593	/* we also need to tile our image in both directions */	463	/* we also need to tile our image in both directions */
594	ASImage *tmp = tile_asimage (target->asv, result,	464	ASImage *tmp = tile_asimage (asv, result,
595	(int)result->width - x,	465	(int)result->width - x,
596	(int)result->height - y,	466	(int)result->height - y,
597	new_pmap_width,	467	new_pmap_width,
598	new_pmap_height,	468	new_pmap_height,
599	TINT_LEAVE_SAME, ASA_XImage,	469	TINT_LEAVE_SAME, ASA_XImage,
…		…
616	layers[0].clip_width = target_width;	486	layers[0].clip_width = target_width;
617	layers[0].clip_height = target_height;	487	layers[0].clip_height = target_height;
618	layers[0].tint = background_tint;	488	layers[0].tint = background_tint;
619	layers[1].im = result;	489	layers[1].im = result;
620		490
621	if (w <= 0)	491	if (h_scale == 0 || v_scale == 0)
622	{	492	{
623	/* tile horizontally */	493	/* tile horizontally */
624	while (x > 0) x -= (int)result->width;	494	while (x > 0) x -= (int)result->width;
625	layers[1].dst_x = x;	495	layers[1].dst_x = x;
626	layers[1].clip_width = result->width+target_width;	496	layers[1].clip_width = result->width+target_width;
…		…
630	/* clip horizontally */	500	/* clip horizontally */
631	layers[1].dst_x = x;	501	layers[1].dst_x = x;
632	layers[1].clip_width = result->width;	502	layers[1].clip_width = result->width;
633	}	503	}
634		504
635	if (h <= 0)	505	if (h_scale == 0 || v_scale == 0)
636	{	506	{
637	while (y > 0) y -= (int)result->height;	507	while (y > 0) y -= (int)result->height;
638	layers[1].dst_y = y;	508	layers[1].dst_y = y;
639	layers[1].clip_height = result->height + target_height;	509	layers[1].clip_height = result->height + target_height;
640	}	510	}
…		…
642	{	512	{
643	layers[1].dst_y = y;	513	layers[1].dst_y = y;
644	layers[1].clip_height = result->height;	514	layers[1].clip_height = result->height;
645	}	515	}
646		516
647	if (target->rs[Rs_blendtype])	517	if (rs[Rs_blendtype])
648	{	518	{
649	layers[1].merge_scanlines = blend_scanlines_name2func (target->rs[Rs_blendtype]);	519	layers[1].merge_scanlines = blend_scanlines_name2func (rs[Rs_blendtype]);
650	if (layers[1].merge_scanlines == NULL)	520	if (layers[1].merge_scanlines == NULL)
651	layers[1].merge_scanlines = alphablend_scanlines;	521	layers[1].merge_scanlines = alphablend_scanlines;
652	}	522	}
653		523
654	ASImage *tmp = merge_layers (target->asv, layers, 2, target_width, target_height,	524	ASImage *tmp = merge_layers (asv, layers, 2, target_width, target_height,
655	ASA_XImage, 0, ASIMAGE_QUALITY_DEFAULT);	525	ASA_XImage, 0, ASIMAGE_QUALITY_DEFAULT);
656		526
657	if (tmp)	527	if (tmp)
658	{	528	{
659	if (result != original_asim)	529	if (result != original_asim)
…		…
663	}	533	}
664		534
665	free (layers);	535	free (layers);
666	}	536	}
667	}	537	}
668	TIMING_TEST_PRINT_RESULT (asim);
669		538
670	bool ret = false;	539	bool ret = false;
671		540
672	if (result)	541	if (result)
673	{	542	{
674	XGCValues gcv;	543	XGCValues gcv;
675	GC gc;	544	GC gc;
676		545
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 */	546	/* create Pixmap */
689	if (pixmap == None)	547	if (bg_pixmap == None
		548	|| bg_pmap_width != new_pmap_width
		549	|| bg_pmap_height != new_pmap_height)
690	{	550	{
		551	if (bg_pixmap)
		552	XFreePixmap (dpy, bg_pixmap);
691	pixmap = XCreatePixmap (target->dpy, target->vt, new_pmap_width, new_pmap_height, target->depth);	553	bg_pixmap = XCreatePixmap (dpy, vt, new_pmap_width, new_pmap_height, depth);
692	pmap_width = new_pmap_width;	554	bg_pmap_width = new_pmap_width;
693	pmap_height = new_pmap_height;	555	bg_pmap_height = new_pmap_height;
694	pmap_depth = target->depth;
695	}	556	}
696	/* fill with background color (if result's not completely overlapping it) */	557	/* fill with background color (if result's not completely overlapping it) */
697	gcv.foreground = target->pix_colors[Color_bg];	558	gcv.foreground = pix_colors[Color_bg];
698	gc = XCreateGC (target->dpy, target->vt, GCForeground, &gcv);	559	gc = XCreateGC (dpy, vt, GCForeground, &gcv);
699		560
700	int src_x = 0, src_y = 0, dst_x = 0, dst_y = 0;	561	int src_x = 0, src_y = 0, dst_x = 0, dst_y = 0;
701	int dst_width = result->width, dst_height = result->height;	562	int dst_width = result->width, dst_height = result->height;
702	if (background == NULL)	563	if (background == NULL)
703	{	564	{
…		…
708	}	569	}
709		570
710	if (dst_x > 0 || dst_y > 0	571	if (dst_x > 0 || dst_y > 0
711	|| dst_x + dst_width < new_pmap_width	572	|| dst_x + dst_width < new_pmap_width
712	|| dst_y + dst_height < new_pmap_height)	573	|| dst_y + dst_height < new_pmap_height)
713	XFillRectangle (target->dpy, pixmap, gc, 0, 0, new_pmap_width, new_pmap_height);	574	XFillRectangle (dpy, bg_pixmap, gc, 0, 0, new_pmap_width, new_pmap_height);
714	}	575	}
715		576
716	/* put result on pixmap */	577	/* put result on pixmap */
717	if (dst_x < new_pmap_width && dst_y < new_pmap_height)	578	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);	579	asimage2drawable (asv, bg_pixmap, result, gc, src_x, src_y, dst_x, dst_y, dst_width, dst_height, True);
719		580
720	if (result != background && result != original_asim)	581	if (result != background && result != original_asim)
721	destroy_asimage (&result);	582	destroy_asimage (&result);
722		583
723	XFreeGC (target->dpy, gc);	584	XFreeGC (dpy, gc);
724	TIMING_TEST_PRINT_RESULT (asim);
725		585
726	ret = true;	586	ret = true;
727	}	587	}
728		588
729	if (background)	589	if (background)
…		…
733	}	593	}
734	# endif /* HAVE_AFTERIMAGE */	594	# endif /* HAVE_AFTERIMAGE */
735		595
736	# ifdef HAVE_PIXBUF	596	# ifdef HAVE_PIXBUF
737	bool	597	bool
738	bgPixmap_t::render_image (unsigned long background_flags)	598	rxvt_term::pixbuf_to_pixmap (GdkPixbuf *pixbuf, Pixmap pixmap, GC gc,
		599	int src_x, int src_y, int dst_x, int dst_y,
		600	unsigned int width, unsigned int height)
739	{	601	{
740	if (target == NULL)	602	XImage *ximage;
		603	char *data, *line;
		604	int bytes_per_pixel;
		605	int width_r, width_g, width_b;
		606	int sh_r, sh_g, sh_b;
		607	int rowstride;
		608	int channels;
		609	unsigned char *row;
		610
		611	if (visual->c_class != TrueColor)
741	return false;	612	return false;
742		613
		614	if (depth == 24 || depth == 32)
		615	bytes_per_pixel = 4;
		616	else if (depth == 15 || depth == 16)
		617	bytes_per_pixel = 2;
		618	else
		619	return false;
		620
		621	width_r = rxvt_popcount (visual->red_mask);
		622	width_g = rxvt_popcount (visual->green_mask);
		623	width_b = rxvt_popcount (visual->blue_mask);
		624
		625	if (width_r > 8 || width_g > 8 || width_b > 8)
		626	return false;
		627
		628	sh_r = rxvt_ctz (visual->red_mask);
		629	sh_g = rxvt_ctz (visual->green_mask);
		630	sh_b = rxvt_ctz (visual->blue_mask);
		631
		632	if (width > INT_MAX / height / bytes_per_pixel)
		633	return false;
		634
		635	data = (char *)malloc (width * height * bytes_per_pixel);
		636	if (!data)
		637	return false;
		638
		639	ximage = XCreateImage (dpy, visual, depth, ZPixmap, 0, data,
		640	width, height, bytes_per_pixel * 8, 0);
		641	if (!ximage)
		642	{
		643	free (data);
		644	return false;
		645	}
		646
		647	ximage->byte_order = byteorder::big_endian () ? MSBFirst : LSBFirst;
		648
		649	rowstride = gdk_pixbuf_get_rowstride (pixbuf);
		650	channels = gdk_pixbuf_get_n_channels (pixbuf);
		651	row = gdk_pixbuf_get_pixels (pixbuf) + src_y * rowstride + src_x * channels;
		652	line = data;
		653
		654	for (int y = 0; y < height; y++)
		655	{
		656	for (int x = 0; x < width; x++)
		657	{
		658	unsigned char *pixel = row + x * channels;
		659	uint32_t value;
		660
		661	value = ((pixel[0] >> (8 - width_r)) << sh_r)
		662	| ((pixel[1] >> (8 - width_g)) << sh_g)
		663	| ((pixel[2] >> (8 - width_b)) << sh_b);
		664
		665	if (bytes_per_pixel == 4)
		666	((uint32_t *)line)[x] = value;
		667	else
		668	((uint16_t *)line)[x] = value;
		669	}
		670
		671	row += rowstride;
		672	line += ximage->bytes_per_line;
		673	}
		674
		675	XPutImage (dpy, pixmap, gc, ximage, 0, 0, dst_x, dst_y, width, height);
		676	XDestroyImage (ximage);
		677	return true;
		678	}
		679
		680	bool
		681	rxvt_term::render_image (unsigned long tr_flags)
		682	{
743	if (!pixbuf)	683	if (!pixbuf)
744	return false;	684	return false;
745		685
746	// TODO: add alpha blending	686	if (tr_flags
747	if (background_flags)	687	&& !(bg_flags & BG_HAS_RENDER))
748	return false;	688	return false;
749		689
750	GdkPixbuf *result;	690	GdkPixbuf *result;
751		691
752	int image_width = gdk_pixbuf_get_width (pixbuf);	692	int image_width = gdk_pixbuf_get_width (pixbuf);
753	int image_height = gdk_pixbuf_get_height (pixbuf);	693	int image_height = gdk_pixbuf_get_height (pixbuf);
754		694
755	int target_width = target->szHint.width;	695	int target_width = szHint.width;
756	int target_height = target->szHint.height;	696	int target_height = szHint.height;
757	int new_pmap_width = target_width;	697	int new_pmap_width = target_width;
758	int new_pmap_height = target_height;	698	int new_pmap_height = target_height;
759		699
760	int x = 0;	700	int x = 0;
761	int y = 0;	701	int y = 0;
762	int w = 0;	702	int w = 0;
763	int h = 0;	703	int h = 0;
764		704
765	get_image_geometry (image_width, image_height, w, h, x, y);	705	get_image_geometry (image_width, image_height, w, h, x, y);
766		706
767	if (!(flags & rootAlign)	707	if (!(bg_flags & BG_ROOT_ALIGN)
768	&& (x >= target_width	708	&& (x >= target_width
769	|| y >= target_height	709	|| y >= target_height
770	|| (x + w <= 0)	710	|| (x + w <= 0)
771	|| (y + h <= 0)))	711	|| (y + h <= 0)))
772	return false;	712	return false;
…		…
785		725
786	if (result)	726	if (result)
787	{	727	{
788	XGCValues gcv;	728	XGCValues gcv;
789	GC gc;	729	GC gc;
		730	Pixmap root_pmap;
790		731
791	image_width = gdk_pixbuf_get_width (result);	732	image_width = gdk_pixbuf_get_width (result);
792	image_height = gdk_pixbuf_get_height (result);	733	image_height = gdk_pixbuf_get_height (result);
793		734
		735	if (tr_flags)
		736	{
		737	root_pmap = bg_pixmap;
		738	bg_pixmap = None;
		739	}
		740	else
		741	{
		742	if (h_scale == 0 || v_scale == 0)
		743	{
		744	new_pmap_width = min (image_width, target_width);
		745	new_pmap_height = min (image_height, target_height);
		746	}
		747	}
		748
		749	if (bg_pixmap == None
		750	|| bg_pmap_width != new_pmap_width
		751	|| bg_pmap_height != new_pmap_height)
		752	{
		753	if (bg_pixmap)
		754	XFreePixmap (dpy, bg_pixmap);
		755	bg_pixmap = XCreatePixmap (dpy, vt, new_pmap_width, new_pmap_height, depth);
		756	bg_pmap_width = new_pmap_width;
		757	bg_pmap_height = new_pmap_height;
		758	}
		759
		760	gcv.foreground = pix_colors[Color_bg];
		761	gc = XCreateGC (dpy, vt, GCForeground, &gcv);
		762
794	if (h_scale == 0 || v_scale == 0)	763	if (h_scale == 0 || v_scale == 0)
795	{	764	{
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);	765	Pixmap tile = XCreatePixmap (dpy, vt, image_width, image_height, depth);
825	gdk_pixbuf_xlib_render_to_drawable (result, tile, gc,	766	pixbuf_to_pixmap (result, tile, gc,
826	0, 0,	767	0, 0,
827	0, 0,	768	0, 0,
828	image_width, image_height,	769	image_width, image_height);
829	XLIB_RGB_DITHER_NONE,
830	0, 0);
831		770
832	gcv.tile = tile;	771	gcv.tile = tile;
833	gcv.fill_style = FillTiled;	772	gcv.fill_style = FillTiled;
834	gcv.ts_x_origin = x;	773	gcv.ts_x_origin = x;
835	gcv.ts_y_origin = y;	774	gcv.ts_y_origin = y;
836	XChangeGC (target->dpy, gc, GCFillStyle | GCTile | GCTileStipXOrigin | GCTileStipYOrigin, &gcv);	775	XChangeGC (dpy, gc, GCFillStyle | GCTile | GCTileStipXOrigin | GCTileStipYOrigin, &gcv);
837		776
838	XFillRectangle (target->dpy, pixmap, gc, 0, 0, new_pmap_width, new_pmap_height);	777	XFillRectangle (dpy, bg_pixmap, gc, 0, 0, new_pmap_width, new_pmap_height);
839	XFreePixmap (target->dpy, tile);	778	XFreePixmap (dpy, tile);
840	}	779	}
841	else	780	else
842	{	781	{
843	int src_x, src_y, dst_x, dst_y;	782	int src_x, src_y, dst_x, dst_y;
844	int dst_width, dst_height;	783	int dst_width, dst_height;
…		…
847	src_y = make_clip_rectangle (y, image_height, new_pmap_height, dst_y, dst_height);	786	src_y = make_clip_rectangle (y, image_height, new_pmap_height, dst_y, dst_height);
848		787
849	if (dst_x > 0 || dst_y > 0	788	if (dst_x > 0 || dst_y > 0
850	|| dst_x + dst_width < new_pmap_width	789	|| dst_x + dst_width < new_pmap_width
851	|| dst_y + dst_height < new_pmap_height)	790	|| dst_y + dst_height < new_pmap_height)
852	XFillRectangle (target->dpy, pixmap, gc, 0, 0, new_pmap_width, new_pmap_height);	791	XFillRectangle (dpy, bg_pixmap, gc, 0, 0, new_pmap_width, new_pmap_height);
853		792
854	if (dst_x < new_pmap_width && dst_y < new_pmap_height)	793	if (dst_x < new_pmap_width && dst_y < new_pmap_height)
855	gdk_pixbuf_xlib_render_to_drawable (result, pixmap, gc,	794	pixbuf_to_pixmap (result, bg_pixmap, gc,
856	src_x, src_y,	795	src_x, src_y,
857	dst_x, dst_y,	796	dst_x, dst_y,
858	dst_width, dst_height,	797	dst_width, dst_height);
859	XLIB_RGB_DITHER_NONE,	798	}
860	0, 0);	799
		800	#if XRENDER
		801	if (tr_flags)
861	}	802	{
		803	XRenderPictureAttributes pa;
		804
		805	XRenderPictFormat *src_format = XRenderFindVisualFormat (dpy, visual);
		806	Picture src = XRenderCreatePicture (dpy, root_pmap, src_format, 0, &pa);
		807
		808	XRenderPictFormat *dst_format = XRenderFindVisualFormat (dpy, visual);
		809	Picture dst = XRenderCreatePicture (dpy, bg_pixmap, dst_format, 0, &pa);
		810
		811	pa.repeat = True;
		812	Pixmap mask_pmap = XCreatePixmap (dpy, vt, 1, 1, 8);
		813	XRenderPictFormat *mask_format = XRenderFindStandardFormat (dpy, PictStandardA8);
		814	Picture mask = XRenderCreatePicture (dpy, mask_pmap, mask_format, CPRepeat, &pa);
		815	XFreePixmap (dpy, mask_pmap);
		816
		817	if (src && dst && mask)
		818	{
		819	XRenderColor mask_c;
		820
		821	mask_c.alpha = 0x8000;
		822	mask_c.red = 0;
		823	mask_c.green = 0;
		824	mask_c.blue = 0;
		825	XRenderFillRectangle (dpy, PictOpSrc, mask, &mask_c, 0, 0, 1, 1);
		826	XRenderComposite (dpy, PictOpOver, src, mask, dst, 0, 0, 0, 0, 0, 0, target_width, target_height);
		827	}
		828
		829	XRenderFreePicture (dpy, src);
		830	XRenderFreePicture (dpy, dst);
		831	XRenderFreePicture (dpy, mask);
		832
		833	XFreePixmap (dpy, root_pmap);
		834	}
		835	#endif
862		836
863	if (result != pixbuf)	837	if (result != pixbuf)
864	g_object_unref (result);	838	g_object_unref (result);
865		839
866	XFreeGC (target->dpy, gc);	840	XFreeGC (dpy, gc);
867		841
868	ret = true;	842	ret = true;
869	}	843	}
870		844
871	return ret;	845	return ret;
872	}	846	}
873	# endif /* HAVE_PIXBUF */	847	# endif /* HAVE_PIXBUF */
874		848
875	bool	849	bool
876	bgPixmap_t::set_file (const char *file)	850	rxvt_term::bg_set_file (const char *file)
877	{	851	{
878	assert (file);	852	if (!file || !*file)
		853	return false;
879		854
880	if (*file)
881	{
882	if (const char *p = strchr (file, ';'))	855	if (const char *p = strchr (file, ';'))
883	{	856	{
884	size_t len = p - file;	857	size_t len = p - file;
885	char *f = rxvt_temp_buf<char> (len + 1);	858	char *f = rxvt_temp_buf<char> (len + 1);
886	memcpy (f, file, len);	859	memcpy (f, file, len);
887	f[len] = '\0';	860	f[len] = '\0';
888	file = f;	861	file = f;
889	}	862	}
890		863
891	# ifdef HAVE_AFTERIMAGE	864	# ifdef HAVE_AFTERIMAGE
892	if (!target->asimman)	865	if (!asimman)
893	target->asimman = create_generic_imageman (target->rs[Rs_path]);	866	asimman = create_generic_imageman (rs[Rs_path]);
894	original_asim = get_asimage (target->asimman, file, 0xFFFFFFFF, 100);	867	ASImage *image = get_asimage (asimman, file, 0xFFFFFFFF, 100);
		868	if (image)
		869	{
895	if (original_asim)	870	if (original_asim)
896	have_image = true;	871	safe_asimage_destroy (original_asim);
897	return have_image;	872	original_asim = image;
		873	bg_flags |= BG_IS_FROM_FILE | BG_CLIENT_RENDER;
		874	return true;
		875	}
898	# endif	876	# endif
899		877
900	# ifdef HAVE_PIXBUF	878	# ifdef HAVE_PIXBUF
901	pixbuf = gdk_pixbuf_new_from_file (file, NULL);	879	GdkPixbuf *image = gdk_pixbuf_new_from_file (file, NULL);
		880	if (image)
		881	{
902	if (pixbuf)	882	if (pixbuf)
903	have_image = true;	883	g_object_unref (pixbuf);
904	return have_image;	884	pixbuf = image;
		885	bg_flags |= BG_IS_FROM_FILE;
		886	return true;
		887	}
905	# endif	888	# endif
906	}
907		889
908	return false;	890	return false;
909	}	891	}
910		892
911	# endif /* BG_IMAGE_FROM_FILE */	893	# endif /* BG_IMAGE_FROM_FILE */
912		894
913	# ifdef ENABLE_TRANSPARENCY	895	# ifdef ENABLE_TRANSPARENCY
914	bool	896	bool
915	bgPixmap_t::set_transparent ()	897	rxvt_term::bg_set_transparent ()
916	{	898	{
917	if (!(flags & isTransparent))	899	if (!(bg_flags & BG_IS_TRANSPARENT))
918	{	900	{
919	flags |= isTransparent;	901	bg_flags |= BG_IS_TRANSPARENT;
920	return true;	902	return true;
921	}	903	}
922		904
923	return false;	905	return false;
924	}	906	}
925		907
926	bool	908	bool
927	bgPixmap_t::set_blur_radius (const char *geom)	909	rxvt_term::bg_set_blur (const char *geom)
928	{	910	{
929	int changed = 0;	911	bool changed = false;
930	unsigned int hr, vr;	912	unsigned int hr, vr;
931	int junk;	913	int junk;
932	int geom_flags = XParseGeometry (geom, &junk, &junk, &hr, &vr);	914	int geom_flags = XParseGeometry (geom, &junk, &junk, &hr, &vr);
933		915
934	if (!(geom_flags & WidthValue))	916	if (!(geom_flags & WidthValue))
935	hr = 1;	917	hr = 1;
936	if (!(geom_flags & HeightValue))	918	if (!(geom_flags & HeightValue))
937	vr = hr;	919	vr = hr;
938		920
		921	min_it (hr, 128);
		922	min_it (vr, 128);
		923
939	if (h_blurRadius != hr)	924	if (h_blurRadius != hr)
940	{	925	{
941	++changed;	926	changed = true;
942	h_blurRadius = hr;	927	h_blurRadius = hr;
943	}	928	}
944		929
945	if (v_blurRadius != vr)	930	if (v_blurRadius != vr)
946	{	931	{
947	++changed;	932	changed = true;
948	v_blurRadius = vr;	933	v_blurRadius = vr;
949	}	934	}
950		935
951	if (v_blurRadius == 0 && h_blurRadius == 0)	936	if (v_blurRadius == 0 && h_blurRadius == 0)
952	flags &= ~blurNeeded;	937	bg_flags &= ~BG_NEEDS_BLUR;
953	else	938	else
954	flags |= blurNeeded;	939	bg_flags |= BG_NEEDS_BLUR;
955		940
956	return (changed > 0);	941	return changed;
957	}	942	}
958		943
959	static inline unsigned long	944	static inline unsigned long
960	compute_tint_shade_flags (rxvt_color *tint, int shade)	945	compute_tint_shade_flags (rxvt_color *tint, int shade)
961	{	946	{
962	unsigned long flags = 0;	947	unsigned long flags = 0;
963	rgba c (rgba::MAX_CC,rgba::MAX_CC,rgba::MAX_CC);	948	rgba c (rgba::MAX_CC,rgba::MAX_CC,rgba::MAX_CC);
964	bool has_shade = (shade > 0 && shade < 100) || (shade > 100 && shade < 200);	949	bool has_shade = shade != 100;
965		950
966	if (tint)	951	if (tint)
967	{	952	{
968	tint->get (c);	953	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)	954	if (!has_shade
978	flags |= bgPixmap_t::tintNeeded;	955	&& (c.r <= 0x00ff || c.r >= 0xff00)
979	else if (tint)	956	&& (c.g <= 0x00ff || c.g >= 0xff00)
		957	&& (c.b <= 0x00ff || c.b >= 0xff00))
		958	flags |= rxvt_term::BG_TINT_BITAND;
980	{	959	}
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		960
988	if (flags & bgPixmap_t::tintNeeded)	961	if (has_shade || tint)
989	{	962	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		963
1000	return flags;	964	return flags;
1001	}	965	}
1002		966
1003	bool	967	bool
1004	bgPixmap_t::set_tint (rxvt_color &new_tint)	968	rxvt_term::bg_set_tint (rxvt_color &new_tint)
1005	{	969	{
1006	if (tint != new_tint)	970	if (!(bg_flags & BG_TINT_SET) || tint != new_tint)
1007	{	971	{
1008	unsigned long new_flags = compute_tint_shade_flags (&new_tint, shade);	972	unsigned long new_flags = compute_tint_shade_flags (&new_tint, shade);
1009	tint = new_tint;	973	tint = new_tint;
1010	flags = (flags & ~tintFlags) | new_flags | tintSet;	974	bg_flags = (bg_flags & ~BG_TINT_FLAGS) | new_flags | BG_TINT_SET;
1011	return true;	975	return true;
1012	}	976	}
1013		977
1014	return false;	978	return false;
1015	}	979	}
1016		980
1017	bool	981	bool
1018	bgPixmap_t::unset_tint ()	982	rxvt_term::bg_set_shade (const char *shade_str)
1019	{	983	{
		984	int new_shade = (shade_str) ? atoi (shade_str) : 100;
		985
		986	clamp_it (new_shade, -100, 200);
		987	if (new_shade < 0)
		988	new_shade = 200 - (100 + new_shade);
		989
		990	if (new_shade != shade)
		991	{
1020	unsigned long new_flags = compute_tint_shade_flags (NULL, shade);	992	unsigned long new_flags = compute_tint_shade_flags ((bg_flags & BG_TINT_SET) ? &tint : NULL, new_shade);
1021		993	shade = new_shade;
1022	if (new_flags != (flags & tintFlags))
1023	{
1024	flags = (flags & ~tintFlags) | new_flags;	994	bg_flags = (bg_flags & ~BG_TINT_FLAGS) | new_flags;
1025	return true;	995	return true;
1026	}	996	}
1027		997
1028	return false;	998	return false;
1029	}	999	}
1030		1000
		1001	#if XRENDER
		1002	static void
		1003	get_gaussian_kernel (int radius, int width, double *kernel, XFixed *params)
		1004	{
		1005	double sigma = radius / 2.0;
		1006	double scale = sqrt (2.0 * M_PI) * sigma;
		1007	double sum = 0.0;
		1008
		1009	for (int i = 0; i < width; i++)
		1010	{
		1011	double x = i - width / 2;
		1012	kernel[i] = exp (-(x * x) / (2.0 * sigma * sigma)) / scale;
		1013	sum += kernel[i];
		1014	}
		1015
		1016	params[0] = XDoubleToFixed (width);
		1017	params[1] = XDoubleToFixed (1);
		1018
		1019	for (int i = 0; i < width; i++)
		1020	params[i+2] = XDoubleToFixed (kernel[i] / sum);
		1021	}
		1022	#endif
		1023
1031	bool	1024	bool
1032	bgPixmap_t::set_shade (const char *shade_str)	1025	rxvt_term::blur_pixmap (Pixmap pixmap, Visual *visual, int width, int height)
1033	{	1026	{
1034	int new_shade = (shade_str) ? atoi (shade_str) : 0;	1027	bool ret = false;
		1028	#if XRENDER
		1029	int size = max (h_blurRadius, v_blurRadius) * 2 + 1;
		1030	double *kernel = (double *)malloc (size * sizeof (double));
		1031	XFixed *params = (XFixed *)malloc ((size + 2) * sizeof (XFixed));
1035		1032
1036	if (new_shade < 0 && new_shade > -100)	1033	XRenderPictureAttributes pa;
1037	new_shade = 200 - (100 + new_shade);	1034	XRenderPictFormat *format = XRenderFindVisualFormat (dpy, visual);
1038	else if (new_shade == 100)
1039	new_shade = 0;
1040		1035
1041	if (new_shade != shade)	1036	Picture src = XRenderCreatePicture (dpy, pixmap, format, 0, &pa);
		1037	Picture dst = XRenderCreatePicture (dpy, pixmap, format, 0, &pa);
		1038
		1039	if (kernel && params && src && dst)
1042	{	1040	{
1043	unsigned long new_flags = compute_tint_shade_flags ((flags & tintSet) ? &tint : NULL, new_shade);	1041	if (h_blurRadius)
1044	shade = new_shade;	1042	{
1045	flags = (flags & (~tintFlags | tintSet)) | new_flags;	1043	size = h_blurRadius * 2 + 1;
		1044	get_gaussian_kernel (h_blurRadius, size, kernel, params);
		1045
		1046	XRenderSetPictureFilter (dpy, src, FilterConvolution, params, size+2);
		1047	XRenderComposite (dpy,
		1048	PictOpSrc,
		1049	src,
		1050	None,
		1051	dst,
		1052	0, 0,
		1053	0, 0,
		1054	0, 0,
		1055	width, height);
		1056	}
		1057
		1058	if (v_blurRadius)
		1059	{
		1060	size = v_blurRadius * 2 + 1;
		1061	get_gaussian_kernel (v_blurRadius, size, kernel, params);
		1062	::swap (params[0], params[1]);
		1063
		1064	XRenderSetPictureFilter (dpy, src, FilterConvolution, params, size+2);
		1065	XRenderComposite (dpy,
		1066	PictOpSrc,
		1067	src,
		1068	None,
		1069	dst,
		1070	0, 0,
		1071	0, 0,
		1072	0, 0,
		1073	width, height);
		1074	}
		1075
1046	return true;	1076	ret = true;
1047	}	1077	}
1048		1078
		1079	free (kernel);
		1080	free (params);
		1081	XRenderFreePicture (dpy, src);
		1082	XRenderFreePicture (dpy, dst);
		1083	#endif
1049	return false;	1084	return ret;
1050	}	1085	}
1051		1086
1052	bool	1087	bool
1053	bgPixmap_t::tint_pixmap (Pixmap pixmap, Window root, int width, int height)	1088	rxvt_term::tint_pixmap (Pixmap pixmap, Visual *visual, int width, int height)
1054	{	1089	{
1055	Display *dpy = target->dpy;
1056	bool ret = false;	1090	bool ret = false;
1057		1091
1058	if (flags & tintWholesome)	1092	if (bg_flags & BG_TINT_BITAND)
1059	{	1093	{
1060	XGCValues gcv;	1094	XGCValues gcv;
1061	GC gc;	1095	GC gc;
1062		1096
1063	/* In this case we can tint image server-side getting significant	1097	/* In this case we can tint image server-side getting significant
1064	* performance improvements, as we eliminate XImage transfer	1098	* performance improvements, as we eliminate XImage transfer
1065	*/	1099	*/
1066	gcv.foreground = Pixel (tint);	1100	gcv.foreground = Pixel (tint);
1067	gcv.function = GXand;	1101	gcv.function = GXand;
1068	gcv.fill_style = FillSolid;	1102	gcv.fill_style = FillSolid;
1069	gc = XCreateGC (dpy, root, GCFillStyle | GCForeground | GCFunction, &gcv);	1103	gc = XCreateGC (dpy, pixmap, GCFillStyle | GCForeground | GCFunction, &gcv);
1070	if (gc)	1104	if (gc)
1071	{	1105	{
1072	XFillRectangle (dpy, pixmap, gc, 0, 0, width, height);	1106	XFillRectangle (dpy, pixmap, gc, 0, 0, width, height);
1073	ret = true;	1107	ret = true;
1074	XFreeGC (dpy, gc);	1108	XFreeGC (dpy, gc);
1075	}	1109	}
1076	}	1110	}
1077	else	1111	else
1078	{	1112	{
1079	# if XFT	1113	# if XRENDER
1080	rgba c (rgba::MAX_CC,rgba::MAX_CC,rgba::MAX_CC);	1114	rgba c (rgba::MAX_CC,rgba::MAX_CC,rgba::MAX_CC);
1081		1115
1082	if (flags & tintSet)	1116	if (bg_flags & BG_TINT_SET)
1083	tint.get (c);	1117	tint.get (c);
1084		1118
1085	if (shade > 0 && shade < 100)	1119	if (shade <= 100)
1086	{	1120	{
1087	c.r = (c.r * shade) / 100;	1121	c.r = (c.r * shade) / 100;
1088	c.g = (c.g * shade) / 100;	1122	c.g = (c.g * shade) / 100;
1089	c.b = (c.b * shade) / 100;	1123	c.b = (c.b * shade) / 100;
1090	}	1124	}
1091	else if (shade > 100 && shade < 200)	1125	else
1092	{	1126	{
1093	c.r = (c.r * (200 - shade)) / 100;	1127	c.r = (c.r * (200 - shade)) / 100;
1094	c.g = (c.g * (200 - shade)) / 100;	1128	c.g = (c.g * (200 - shade)) / 100;
1095	c.b = (c.b * (200 - shade)) / 100;	1129	c.b = (c.b * (200 - shade)) / 100;
1096	}	1130	}
1097		1131
1098	XRenderPictFormat pf;	1132	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,	1133	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;	1134	XRenderPictureAttributes pa;
1117		1135
1118	Picture back_pic = XRenderCreatePicture (dpy, pixmap, root_format, 0, &pa);	1136	Picture back_pic = XRenderCreatePicture (dpy, pixmap, format, 0, &pa);
1119		1137
1120	pa.repeat = True;	1138	pa.repeat = True;
1121		1139
1122	Pixmap overlay_pmap = XCreatePixmap (dpy, root, 1, 1, 32);	1140	Pixmap overlay_pmap = XCreatePixmap (dpy, pixmap, 1, 1, 32);
1123	Picture overlay_pic = XRenderCreatePicture (dpy, overlay_pmap, solid_format, CPRepeat, &pa);	1141	Picture overlay_pic = XRenderCreatePicture (dpy, overlay_pmap, solid_format, CPRepeat, &pa);
1124	XFreePixmap (dpy, overlay_pmap);	1142	XFreePixmap (dpy, overlay_pmap);
1125		1143
1126	pa.component_alpha = True;	1144	pa.component_alpha = True;
1127	Pixmap mask_pmap = XCreatePixmap (dpy, root, 1, 1, 32);	1145	Pixmap mask_pmap = XCreatePixmap (dpy, pixmap, 1, 1, 32);
1128	Picture mask_pic = XRenderCreatePicture (dpy, mask_pmap, solid_format, CPRepeat|CPComponentAlpha, &pa);	1146	Picture mask_pic = XRenderCreatePicture (dpy, mask_pmap, solid_format, CPRepeat|CPComponentAlpha, &pa);
1129	XFreePixmap (dpy, mask_pmap);	1147	XFreePixmap (dpy, mask_pmap);
1130		1148
1131	if (mask_pic && overlay_pic && back_pic)	1149	if (mask_pic && overlay_pic && back_pic)
1132	{	1150	{
1133	XRenderColor mask_c;	1151	XRenderColor mask_c;
1134		1152
1135	memset (&mask_c, (shade > 100) ? 0xFF : 0x0, sizeof (mask_c));	1153	mask_c.red = mask_c.green = mask_c.blue = 0;
1136	mask_c.alpha = 0xffff;	1154	mask_c.alpha = 0xffff;
1137	XRenderFillRectangle (dpy, PictOpSrc, overlay_pic, &mask_c, 0, 0, 1, 1);	1155	XRenderFillRectangle (dpy, PictOpSrc, overlay_pic, &mask_c, 0, 0, 1, 1);
1138		1156
1139	mask_c.alpha = 0;	1157	mask_c.alpha = 0;
1140	mask_c.red = 0xffff - c.r;	1158	mask_c.red = 0xffff - c.r;
1141	mask_c.green = 0xffff - c.g;	1159	mask_c.green = 0xffff - c.g;
1142	mask_c.blue = 0xffff - c.b;	1160	mask_c.blue = 0xffff - c.b;
1143	XRenderFillRectangle (dpy, PictOpSrc, mask_pic, &mask_c, 0, 0, 1, 1);	1161	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);	1162	XRenderComposite (dpy, PictOpOver, overlay_pic, mask_pic, back_pic, 0, 0, 0, 0, 0, 0, width, height);
		1163
		1164	if (shade > 100)
		1165	{
		1166	mask_c.red = mask_c.green = mask_c.blue = 0xffff * (shade - 100) / 100;
		1167	mask_c.alpha = 0;
		1168	XRenderFillRectangle (dpy, PictOpSrc, overlay_pic, &mask_c, 0, 0, 1, 1);
		1169
		1170	XRenderComposite (dpy, PictOpOver, overlay_pic, None, back_pic, 0, 0, 0, 0, 0, 0, width, height);
		1171	}
		1172
1145	ret = true;	1173	ret = true;
1146	}	1174	}
1147		1175
1148	XRenderFreePicture (dpy, mask_pic);	1176	XRenderFreePicture (dpy, mask_pic);
1149	XRenderFreePicture (dpy, overlay_pic);	1177	XRenderFreePicture (dpy, overlay_pic);
1150	XRenderFreePicture (dpy, back_pic);	1178	XRenderFreePicture (dpy, back_pic);
1151	# if DO_TIMING_TEST
1152	XSync (dpy, False);
1153	# endif
1154	# endif	1179	# endif
1155	}	1180	}
1156		1181
1157	return ret;	1182	return ret;
1158	}	1183	}
1159		1184
1160	/* make_transparency_pixmap()	1185	/* make_transparency_pixmap()
1161	* Builds a pixmap sized the same as terminal window, with depth same as the root window	1186	* 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	1187	* the tiled portion of the root pixmap that is supposed to be covered by
1163	* our window.	1188	* our window.
1164	*/	1189	*/
1165	unsigned long	1190	unsigned long
1166	bgPixmap_t::make_transparency_pixmap ()	1191	rxvt_term::make_transparency_pixmap ()
1167	{	1192	{
1168	unsigned long result = 0;	1193	unsigned long result = 0;
1169
1170	if (target == NULL)
1171	return 0;
1172		1194
1173	/* root dimensions may change from call to call - but Display structure should	1195	/* root dimensions may change from call to call - but Display structure should
1174	* be always up-to-date, so let's use it :	1196	* be always up-to-date, so let's use it :
1175	*/	1197	*/
1176	Window root = target->display->root;
1177	int screen = target->display->screen;	1198	int screen = display->screen;
1178	Display *dpy = target->dpy;	1199	int root_depth = DefaultDepth (dpy, screen);
1179	int root_width = DisplayWidth (dpy, screen);	1200	int root_width = DisplayWidth (dpy, screen);
1180	int root_height = DisplayHeight (dpy, screen);	1201	int root_height = DisplayHeight (dpy, screen);
1181	unsigned int root_pmap_width, root_pmap_height;	1202	unsigned int root_pmap_width, root_pmap_height;
1182	int window_width = target->szHint.width;	1203	int window_width = szHint.width;
1183	int window_height = target->szHint.height;	1204	int window_height = szHint.height;
1184	int sx, sy;	1205	int sx, sy;
1185	XGCValues gcv;	1206	XGCValues gcv;
		1207	GC gc;
1186		1208
1187	TIMING_TEST_START (tp);	1209	sx = target_x;
1188	target->get_window_origin (sx, sy);	1210	sy = target_y;
1189		1211
1190	/* check if we are outside of the visible part of the virtual screen : */	1212	/* check if we are outside of the visible part of the virtual screen : */
1191	if (sx + window_width <= 0 || sy + window_height <= 0	1213	if (sx + window_width <= 0 || sy + window_height <= 0
1192	|| sx >= root_width || sy >= root_height)	1214	|| sx >= root_width || sy >= root_height)
1193	return 0;	1215	return 0;
1194		1216
		1217	// validate root pixmap and get its size
1195	if (root_pixmap != None)	1218	if (root_pixmap != None)
1196	{	1219	{
1197	/* we want to validate the pixmap and get it's size at the same time : */	1220	Window wdummy;
1198	int junk;	1221	int idummy;
1199	unsigned int ujunk;	1222	unsigned int udummy;
1200	/* root pixmap may be bad - allow a error */	1223
1201	target->allowedxerror = -1;	1224	allowedxerror = -1;
1202		1225
1203	if (!XGetGeometry (dpy, root_pixmap, &root, &junk, &junk, &root_pmap_width, &root_pmap_height, &ujunk, &ujunk))	1226	if (!XGetGeometry (dpy, root_pixmap, &wdummy, &idummy, &idummy, &root_pmap_width, &root_pmap_height, &udummy, &udummy))
1204	root_pixmap = None;	1227	root_pixmap = None;
1205		1228
1206	target->allowedxerror = 0;	1229	allowedxerror = 0;
		1230	}
		1231
		1232	Pixmap recoded_root_pmap = root_pixmap;
		1233
		1234	if (root_pixmap != None && root_depth != depth)
1207	}	1235	{
		1236	#if XRENDER
		1237	if (bg_flags & BG_HAS_RENDER)
		1238	{
		1239	XRenderPictureAttributes pa;
1208		1240
1209	Pixmap tiled_root_pmap = XCreatePixmap (dpy, root, window_width, window_height, root_depth);	1241	XRenderPictFormat *src_format = XRenderFindVisualFormat (dpy, DefaultVisual (dpy, screen));
1210	GC gc = NULL;	1242	Picture src = XRenderCreatePicture (dpy, root_pixmap, src_format, 0, &pa);
1211		1243
1212	if (tiled_root_pmap == None) /* something really bad happened - abort */	1244	recoded_root_pmap = XCreatePixmap (dpy, vt, root_pmap_width, root_pmap_height, depth);
		1245	XRenderPictFormat *dst_format = XRenderFindVisualFormat (dpy, visual);
		1246	Picture dst = XRenderCreatePicture (dpy, recoded_root_pmap, dst_format, 0, &pa);
		1247
		1248	if (src && dst)
		1249	XRenderComposite (dpy, PictOpSrc, src, None, dst, 0, 0, 0, 0, 0, 0, root_pmap_width, root_pmap_height);
		1250	else
		1251	{
		1252	XFreePixmap (dpy, recoded_root_pmap);
		1253	root_pixmap = None;
		1254	}
		1255
		1256	XRenderFreePicture (dpy, src);
		1257	XRenderFreePicture (dpy, dst);
		1258	}
		1259	else
		1260	#endif
		1261	root_pixmap = None;
		1262	}
		1263
		1264	if (root_pixmap == None)
1213	return 0;	1265	return 0;
1214		1266
		1267	if (bg_pixmap == None
		1268	|| bg_pmap_width != window_width
		1269	|| bg_pmap_height != window_height)
		1270	{
		1271	if (bg_pixmap)
		1272	XFreePixmap (dpy, bg_pixmap);
		1273	bg_pixmap = XCreatePixmap (dpy, vt, window_width, window_height, depth);
		1274	bg_pmap_width = window_width;
		1275	bg_pmap_height = window_height;
		1276	}
		1277
1215	if (root_pixmap == None)	1278	if (bg_pixmap == None)
1216	{	1279	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		1280
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 */	1281	/* straightforward pixmap copy */
1273	gcv.tile = root_pixmap;
1274	gcv.fill_style = FillTiled;
1275
1276	while (sx < 0) sx += (int)root_width;	1282	while (sx < 0) sx += (int)root_width;
1277	while (sy < 0) sy += (int)root_height;	1283	while (sy < 0) sy += (int)root_height;
1278		1284
		1285	gcv.tile = recoded_root_pmap;
		1286	gcv.fill_style = FillTiled;
1279	gcv.ts_x_origin = -sx;	1287	gcv.ts_x_origin = -sx;
1280	gcv.ts_y_origin = -sy;	1288	gcv.ts_y_origin = -sy;
1281	gc = XCreateGC (dpy, root, GCFillStyle | GCTile | GCTileStipXOrigin | GCTileStipYOrigin, &gcv);	1289	gc = XCreateGC (dpy, vt, GCFillStyle | GCTile | GCTileStipXOrigin | GCTileStipYOrigin, &gcv);
		1290
		1291	if (gc)
		1292	{
		1293	XFillRectangle (dpy, bg_pixmap, gc, 0, 0, window_width, window_height);
		1294	result |= BG_IS_VALID | (bg_flags & BG_EFFECTS_FLAGS);
		1295	XFreeGC (dpy, gc);
		1296
		1297	if (!(bg_flags & BG_CLIENT_RENDER))
		1298	{
		1299	if ((bg_flags & BG_NEEDS_BLUR)
		1300	&& (bg_flags & BG_HAS_RENDER_CONV))
		1301	{
		1302	if (blur_pixmap (bg_pixmap, visual, window_width, window_height))
		1303	result &= ~BG_NEEDS_BLUR;
		1304	}
		1305	if ((bg_flags & BG_NEEDS_TINT)
		1306	&& (bg_flags & (BG_TINT_BITAND | BG_HAS_RENDER)))
		1307	{
		1308	if (tint_pixmap (bg_pixmap, visual, window_width, window_height))
		1309	result &= ~BG_NEEDS_TINT;
		1310	}
		1311	} /* server side rendering completed */
		1312	}
		1313
		1314	if (recoded_root_pmap != root_pixmap)
		1315	XFreePixmap (dpy, recoded_root_pmap);
		1316
		1317	return result;
		1318	}
		1319
		1320	void
		1321	rxvt_term::bg_set_root_pixmap ()
		1322	{
		1323	Pixmap new_root_pixmap = get_pixmap_property (xa[XA_XROOTPMAP_ID]);
		1324	if (new_root_pixmap == None)
		1325	new_root_pixmap = get_pixmap_property (xa[XA_ESETROOT_PMAP_ID]);
		1326
		1327	root_pixmap = new_root_pixmap;
		1328	}
		1329	# endif /* ENABLE_TRANSPARENCY */
		1330
		1331	#if defined(ENABLE_TRANSPARENCY) && !defined(HAVE_AFTERIMAGE)
		1332	static void shade_ximage (Visual *visual, XImage *ximage, int shade, const rgba &c);
		1333	# endif
		1334
		1335	bool
		1336	rxvt_term::bg_render ()
		1337	{
		1338	unsigned long tr_flags = 0;
		1339
		1340	bg_invalidate ();
		1341	# ifdef ENABLE_TRANSPARENCY
		1342	if (bg_flags & BG_IS_TRANSPARENT)
		1343	{
		1344	/* we need to re-generate transparency pixmap in that case ! */
		1345	tr_flags = make_transparency_pixmap ();
		1346	if (tr_flags == 0)
		1347	return false;
		1348	else if (!(tr_flags & BG_EFFECTS_FLAGS))
		1349	bg_flags |= BG_IS_VALID;
		1350	}
		1351	# endif
		1352
		1353	# ifdef BG_IMAGE_FROM_FILE
		1354	if ((bg_flags & BG_IS_FROM_FILE)
		1355	|| (tr_flags & BG_EFFECTS_FLAGS))
		1356	{
		1357	if (render_image (tr_flags))
		1358	bg_flags |= BG_IS_VALID;
		1359	}
		1360	# endif
		1361
		1362	# if defined(ENABLE_TRANSPARENCY) && !defined(HAVE_AFTERIMAGE)
		1363	XImage *result = NULL;
		1364
		1365	if (tr_flags && !(bg_flags & BG_IS_VALID))
		1366	{
		1367	result = XGetImage (dpy, bg_pixmap, 0, 0, bg_pmap_width, bg_pmap_height, AllPlanes, ZPixmap);
		1368	}
		1369
		1370	if (result)
		1371	{
		1372	/* our own client-side tinting */
		1373	if (tr_flags & BG_NEEDS_TINT)
		1374	{
		1375	rgba c (rgba::MAX_CC,rgba::MAX_CC,rgba::MAX_CC);
		1376	if (bg_flags & BG_TINT_SET)
		1377	tint.get (c);
		1378	shade_ximage (DefaultVisual (dpy, display->screen), result, shade, c);
		1379	}
		1380
		1381	GC gc = XCreateGC (dpy, vt, 0UL, NULL);
1282		1382
1283	if (gc)	1383	if (gc)
1284	{	1384	{
1285	XFillRectangle (dpy, tiled_root_pmap, gc, 0, 0, window_width, window_height);	1385	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		1386
1291	if (tiled_root_pmap != None)	1387	XFreeGC (dpy, gc);
1292	{	1388	bg_flags |= BG_IS_VALID;
1293	if (!need_client_side_rendering ())
1294	{	1389	}
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		1390
1302	if (pixmap)	1391	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	{	1392	}
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	1393	# endif
1339		1394
1340	bool	1395	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	}	1396	{
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)	1397	if (bg_pixmap != None)
1439	{	1398	{
1440	XFreePixmap (target->dpy, pixmap);	1399	XFreePixmap (dpy, bg_pixmap);
1441	pixmap = None;	1400	bg_pixmap = None;
1442	}	1401	}
1443	}	1402	}
1444		1403
1445	apply ();	1404	scr_recolour (false);
		1405	bg_flags |= BG_NEEDS_REFRESH;
1446		1406
1447	XSync (target->dpy, False);
1448	valid_since = ev::now ();	1407	bg_valid_since = ev::now ();
1449
1450	TIMING_TEST_PRINT_RESULT (tp);
1451		1408
1452	return true;	1409	return true;
1453	}	1410	}
1454		1411
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	1412	void
1472	bgPixmap_t::apply ()	1413	rxvt_term::bg_init ()
1473	{	1414	{
1474	if (target)
1475	{
1476	flags &= ~isVtOrigin;
1477
1478	if (pixmap != None)
1479	{
1480	/* set target's background to pixmap */
1481	# ifdef ENABLE_TRANSPARENCY	1415	#ifdef ENABLE_TRANSPARENCY
1482	if (flags & isTransparent)	1416	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	1417	#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		1418
1499	if (target->scrollBar.win)	1419	bg_flags &= ~(BG_HAS_RENDER | BG_HAS_RENDER_CONV);
1500	XSetWindowBackground (target->dpy, target->scrollBar.win, target->pix_colors[Color_border]);	1420	#if XRENDER
1501	}	1421	int major, minor;
1502	}	1422	if (XRenderQueryVersion (dpy, &major, &minor))
1503	else	1423	bg_flags |= BG_HAS_RENDER;
1504	{	1424	XFilters *filters = XRenderQueryFilters (dpy, vt);
1505	/* set target background to a pixel */	1425	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	}	1426	{
		1427	for (int i = 0; i < filters->nfilter; i++)
		1428	if (!strcmp (filters->filter[i], FilterConvolution))
		1429	bg_flags |= BG_HAS_RENDER_CONV;
		1430
		1431	XFree (filters);
		1432	}
		1433	#endif
1526	}	1434	}
1527		1435
1528	#endif /* HAVE_BG_PIXMAP */	1436	#endif /* HAVE_BG_PIXMAP */
1529		1437
1530	#if defined(ENABLE_TRANSPARENCY) && !defined(HAVE_AFTERIMAGE) && !XFT	1438	#if defined(ENABLE_TRANSPARENCY) && !defined(HAVE_AFTERIMAGE)
1531	/* taken from aterm-0.4.2 */	1439	/* taken from aterm-0.4.2 */
1532		1440
1533	typedef uint32_t RUINT32T;
1534
1535	static void	1441	static void
1536	ShadeXImage(rxvt_term *term, XImage *srcImage, int shade, int rm, int gm, int bm)	1442	shade_ximage (Visual *visual, XImage *ximage, int shade, const rgba &c)
1537	{	1443	{
1538	int sh_r, sh_g, sh_b;	1444	int sh_r, sh_g, sh_b;
1539	RUINT32T mask_r, mask_g, mask_b;	1445	uint32_t mask_r, mask_g, mask_b;
1540	RUINT32T *lookup, *lookup_r, *lookup_g, *lookup_b;	1446	uint32_t *lookup, *lookup_r, *lookup_g, *lookup_b;
1541	unsigned int lower_lim_r, lower_lim_g, lower_lim_b;	1447	rgba low;
1542	unsigned int upper_lim_r, upper_lim_g, upper_lim_b;	1448	rgba high;
1543	int i;	1449	int i;
		1450	int host_byte_order = byteorder::big_endian () ? MSBFirst : LSBFirst;
1544		1451
1545	Visual *visual = term->visual;
1546
1547	if (visual->c_class != TrueColor || srcImage->format != ZPixmap) return ;	1452	if (visual->c_class != TrueColor || ximage->format != ZPixmap) return;
1548
1549	if (shade == 0)
1550	shade = 100;
1551		1453
1552	/* for convenience */	1454	/* for convenience */
1553	mask_r = visual->red_mask;	1455	mask_r = visual->red_mask;
1554	mask_g = visual->green_mask;	1456	mask_g = visual->green_mask;
1555	mask_b = visual->blue_mask;	1457	mask_b = visual->blue_mask;
1556		1458
1557	/* boring lookup table pre-initialization */	1459	/* boring lookup table pre-initialization */
1558	switch (srcImage->bits_per_pixel) {	1460	switch (ximage->depth)
		1461	{
1559	case 15:	1462	case 15:
1560	if ((mask_r != 0x7c00) ||	1463	if ((mask_r != 0x7c00) ||
1561	(mask_g != 0x03e0) ||	1464	(mask_g != 0x03e0) ||
1562	(mask_b != 0x001f))	1465	(mask_b != 0x001f))
1563	return;	1466	return;
1564	lookup = (RUINT32T *) malloc (sizeof (RUINT32T)*(32+32+32));	1467	lookup = (uint32_t *) malloc (sizeof (uint32_t)*(32+32+32));
1565	lookup_r = lookup;	1468	lookup_r = lookup;
1566	lookup_g = lookup+32;	1469	lookup_g = lookup+32;
1567	lookup_b = lookup+32+32;	1470	lookup_b = lookup+32+32;
1568	sh_r = 10;	1471	sh_r = 10;
1569	sh_g = 5;	1472	sh_g = 5;
1570	sh_b = 0;	1473	sh_b = 0;
1571	break;	1474	break;
1572	case 16:	1475	case 16:
1573	if ((mask_r != 0xf800) ||	1476	if ((mask_r != 0xf800) ||
1574	(mask_g != 0x07e0) ||	1477	(mask_g != 0x07e0) ||
1575	(mask_b != 0x001f))	1478	(mask_b != 0x001f))
1576	return;	1479	return;
1577	lookup = (RUINT32T *) malloc (sizeof (RUINT32T)*(32+64+32));	1480	lookup = (uint32_t *) malloc (sizeof (uint32_t)*(32+64+32));
1578	lookup_r = lookup;	1481	lookup_r = lookup;
1579	lookup_g = lookup+32;	1482	lookup_g = lookup+32;
1580	lookup_b = lookup+32+64;	1483	lookup_b = lookup+32+64;
1581	sh_r = 11;	1484	sh_r = 11;
1582	sh_g = 5;	1485	sh_g = 5;
1583	sh_b = 0;	1486	sh_b = 0;
1584	break;	1487	break;
1585	case 24:	1488	case 24:
1586	if ((mask_r != 0xff0000) ||	1489	if ((mask_r != 0xff0000) ||
1587	(mask_g != 0x00ff00) ||	1490	(mask_g != 0x00ff00) ||
1588	(mask_b != 0x0000ff))	1491	(mask_b != 0x0000ff))
1589	return;	1492	return;
1590	lookup = (RUINT32T *) malloc (sizeof (RUINT32T)*(256+256+256));	1493	lookup = (uint32_t *) malloc (sizeof (uint32_t)*(256+256+256));
1591	lookup_r = lookup;	1494	lookup_r = lookup;
1592	lookup_g = lookup+256;	1495	lookup_g = lookup+256;
1593	lookup_b = lookup+256+256;	1496	lookup_b = lookup+256+256;
1594	sh_r = 16;	1497	sh_r = 16;
1595	sh_g = 8;	1498	sh_g = 8;
1596	sh_b = 0;	1499	sh_b = 0;
1597	break;	1500	break;
1598	case 32:	1501	case 32:
1599	if ((mask_r != 0xff0000) ||	1502	if ((mask_r != 0xff0000) ||
1600	(mask_g != 0x00ff00) ||	1503	(mask_g != 0x00ff00) ||
1601	(mask_b != 0x0000ff))	1504	(mask_b != 0x0000ff))
1602	return;	1505	return;
1603	lookup = (RUINT32T *) malloc (sizeof (RUINT32T)*(256+256+256));	1506	lookup = (uint32_t *) malloc (sizeof (uint32_t)*(256+256+256));
1604	lookup_r = lookup;	1507	lookup_r = lookup;
1605	lookup_g = lookup+256;	1508	lookup_g = lookup+256;
1606	lookup_b = lookup+256+256;	1509	lookup_b = lookup+256+256;
1607	sh_r = 16;	1510	sh_r = 16;
1608	sh_g = 8;	1511	sh_g = 8;
1609	sh_b = 0;	1512	sh_b = 0;
1610	break;	1513	break;
1611	default:	1514	default:
1612	return; /* we do not support this color depth */	1515	return; /* we do not support this color depth */
1613	}	1516	}
1614		1517
1615	/* prepare limits for color transformation (each channel is handled separately) */	1518	/* prepare limits for color transformation (each channel is handled separately) */
1616	if (shade < 0) {	1519	if (shade > 100)
		1520	{
1617	shade = -shade;	1521	shade = 200 - shade;
1618	if (shade < 0) shade = 0;
1619	if (shade > 100) shade = 100;
1620		1522
1621	lower_lim_r = 65535-rm;	1523	high.r = c.r * shade / 100;
1622	lower_lim_g = 65535-gm;	1524	high.g = c.g * shade / 100;
1623	lower_lim_b = 65535-bm;	1525	high.b = c.b * shade / 100;
1624		1526
1625	lower_lim_r = 65535-(unsigned int)(((RUINT32T)lower_lim_r)*((RUINT32T)shade)/100);	1527	low.r = 65535 * (100 - shade) / 100;
1626	lower_lim_g = 65535-(unsigned int)(((RUINT32T)lower_lim_g)*((RUINT32T)shade)/100);	1528	low.g = 65535 * (100 - shade) / 100;
1627	lower_lim_b = 65535-(unsigned int)(((RUINT32T)lower_lim_b)*((RUINT32T)shade)/100);	1529	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	}	1530	}
1640		1531	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	{	1532	{
1644	unsigned int tmp;	1533	high.r = c.r * shade / 100;
		1534	high.g = c.g * shade / 100;
		1535	high.b = c.b * shade / 100;
1645		1536
1646	tmp = lower_lim_r;	1537	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	}	1538	}
1654		1539
1655	/* fill our lookup tables */	1540	/* fill our lookup tables */
1656	for (i = 0; i <= mask_r>>sh_r; i++)	1541	for (i = 0; i <= mask_r>>sh_r; i++)
1657	{	1542	{
1658	RUINT32T tmp;	1543	uint32_t tmp;
1659	tmp = ((RUINT32T)i)*((RUINT32T)(upper_lim_r-lower_lim_r));	1544	tmp = i * high.r;
1660	tmp += ((RUINT32T)(mask_r>>sh_r))*((RUINT32T)lower_lim_r);	1545	tmp += (mask_r>>sh_r) * low.r;
1661	lookup_r[i] = (tmp/65535)<<sh_r;	1546	lookup_r[i] = (tmp/65535)<<sh_r;
1662	}	1547	}
1663	for (i = 0; i <= mask_g>>sh_g; i++)	1548	for (i = 0; i <= mask_g>>sh_g; i++)
1664	{	1549	{
1665	RUINT32T tmp;	1550	uint32_t tmp;
1666	tmp = ((RUINT32T)i)*((RUINT32T)(upper_lim_g-lower_lim_g));	1551	tmp = i * high.g;
1667	tmp += ((RUINT32T)(mask_g>>sh_g))*((RUINT32T)lower_lim_g);	1552	tmp += (mask_g>>sh_g) * low.g;
1668	lookup_g[i] = (tmp/65535)<<sh_g;	1553	lookup_g[i] = (tmp/65535)<<sh_g;
1669	}	1554	}
1670	for (i = 0; i <= mask_b>>sh_b; i++)	1555	for (i = 0; i <= mask_b>>sh_b; i++)
1671	{	1556	{
1672	RUINT32T tmp;	1557	uint32_t tmp;
1673	tmp = ((RUINT32T)i)*((RUINT32T)(upper_lim_b-lower_lim_b));	1558	tmp = i * high.b;
1674	tmp += ((RUINT32T)(mask_b>>sh_b))*((RUINT32T)lower_lim_b);	1559	tmp += (mask_b>>sh_b) * low.b;
1675	lookup_b[i] = (tmp/65535)<<sh_b;	1560	lookup_b[i] = (tmp/65535)<<sh_b;
1676	}	1561	}
1677		1562
1678	/* apply table to input image (replacing colors by newly calculated ones) */	1563	/* apply table to input image (replacing colors by newly calculated ones) */
1679	switch (srcImage->bits_per_pixel)	1564	if (ximage->bits_per_pixel == 32
		1565	&& (ximage->depth == 24 || ximage->depth == 32)
		1566	&& ximage->byte_order == host_byte_order)
1680	{	1567	{
1681	case 15:
1682	{
1683	unsigned short *p1, *pf, *p, *pl;	1568	uint32_t *p1, *pf, *p, *pl;
1684	p1 = (unsigned short *) srcImage->data;	1569	p1 = (uint32_t *) ximage->data;
1685	pf = (unsigned short *) (srcImage->data + srcImage->height * srcImage->bytes_per_line);	1570	pf = (uint32_t *) (ximage->data + ximage->height * ximage->bytes_per_line);
		1571
1686	while (p1 < pf)	1572	while (p1 < pf)
1687	{	1573	{
1688	p = p1;	1574	p = p1;
1689	pl = p1 + srcImage->width;	1575	pl = p1 + ximage->width;
1690	for (; p < pl; p++)	1576	for (; p < pl; p++)
1691	{	1577	{
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] |	1578	*p = lookup_r[(*p & 0xff0000) >> 16] |
1751	lookup_g[(*p & 0x00ff00)>> 8] |	1579	lookup_g[(*p & 0x00ff00) >> 8] |
1752	lookup_b[(*p & 0x0000ff)] |	1580	lookup_b[(*p & 0x0000ff)] |
1753	(*p & ~0xffffff);	1581	(*p & 0xff000000);
		1582	}
		1583	p1 = (uint32_t *) ((char *) p1 + ximage->bytes_per_line);
		1584	}
		1585	}
		1586	else
		1587	{
		1588	for (int y = 0; y < ximage->height; y++)
		1589	for (int x = 0; x < ximage->width; x++)
		1590	{
		1591	unsigned long pixel = XGetPixel (ximage, x, y);
		1592	pixel = lookup_r[(pixel & mask_r) >> sh_r] |
		1593	lookup_g[(pixel & mask_g) >> sh_g] |
		1594	lookup_b[(pixel & mask_b) >> sh_b];
		1595	XPutPixel (ximage, x, y, pixel);
1754	}	1596	}
1755	p1 = (RUINT32T *) ((char *) p1 + srcImage->bytes_per_line);
1756	}	1597	}
1757	break;
1758	}
1759	}
1760		1598
1761	free (lookup);	1599	free (lookup);
1762	}	1600	}
1763	#endif /* defined(ENABLE_TRANSPARENCY) && !defined(HAVE_AFTERIMAGE) */	1601	#endif /* defined(ENABLE_TRANSPARENCY) && !defined(HAVE_AFTERIMAGE) */

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