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Comparing rxvt-unicode/src/background.C (file contents):
Revision 1.30 by ayin, Tue Feb 19 10:47:03 2008 UTC vs.
Revision 1.131 by sf-exg, Mon Jan 10 19:58:24 2011 UTC

1	/*----------------------------------------------------------------------*	1	/*----------------------------------------------------------------------*
2	* File: background.C - former xpm.C	2	* File: background.C - former xpm.C
3	*----------------------------------------------------------------------*	3	*----------------------------------------------------------------------*
4	*	4	*
5	* All portions of code are copyright by their respective author/s.	5	* All portions of code are copyright by their respective author/s.
6	* Copyright (c) 2005-2006 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 */
		28
		29	#if XRENDER
		30	# include <X11/extensions/Xrender.h>
		31	#endif
		32
		33	#ifndef FilterConvolution
		34	#define FilterConvolution "convolution"
		35	#endif
26		36
27	#define DO_TIMING_TEST 0	37	#define DO_TIMING_TEST 0
28		38
29	#if DO_TIMING_TEST	39	#if DO_TIMING_TEST
30	# include <sys/time.h>	40	# include <sys/time.h>
31	#define TIMING_TEST_START(id) \	41	#define TIMING_TEST_START(id) \
32	struct timeval timing_test_##id##_stv;\	42	struct timeval timing_test_##id##_stv; \
33	gettimeofday (&timing_test_##id##_stv, NULL);	43	gettimeofday (&timing_test_##id##_stv, NULL);
34		44
35	#define TIMING_TEST_PRINT_RESULT(id) \	45	#define TIMING_TEST_PRINT_RESULT(id) \
36	do{ struct timeval tv;gettimeofday (&tv, NULL); tv.tv_sec -= (timing_test_##id##_stv).tv_sec;\	46	do { \
		47	struct timeval tv; \
		48	gettimeofday (&tv, NULL); \
		49	tv.tv_sec -= (timing_test_##id##_stv).tv_sec; \
37	fprintf (stderr, "%s: %s: %d: elapsed %ld usec\n", #id, __FILE__, __LINE__,\	50	fprintf (stderr, "%s: %s: %d: elapsed %ld usec\n", #id, __FILE__, __LINE__, \
38	tv.tv_sec * 1000000 + tv.tv_usec - (timing_test_##id##_stv).tv_usec);}while (0)	51	tv.tv_sec * 1000000 + tv.tv_usec - (timing_test_##id##_stv).tv_usec); \
		52	} while (0)
39		53
40	#else	54	#else
41	#define TIMING_TEST_START(id) do{}while (0)	55	#define TIMING_TEST_START(id) do {} while (0)
42	#define TIMING_TEST_PRINT_RESULT(id) do{}while (0)	56	#define TIMING_TEST_PRINT_RESULT(id) do {} while (0)
43	#endif	57	#endif
44		58
45	/*	59	/*
46	* Pixmap geometry string interpretation :	60	* Pixmap geometry string interpretation :
47	* Each geometry string contains zero or one scale/position	61	* Each geometry string contains zero or one scale/position
48	* adjustment and may optionally be followed by a colon and one or more	62	* adjustment and may optionally be followed by a colon and one or more
49	* colon-delimited pixmap operations.	63	* colon-delimited pixmap operations.
50	* The following table shows the valid geometry strings and their	64	* The following table shows the valid geometry strings and their
51	* affects on the background image :	65	* effects on the background image :
52	*	66	*
53	* WxH+X+Y Set scaling to W% by H%, and position to X% by Y%.	67	* WxH+X+Y Set scaling to W% by H%, and position to X% by Y%.
54	* W and H are percentages of the terminal window size.	68	* W and H are percentages of the terminal window size.
55	* X and Y are also percentages; e.g., +50+50 centers	69	* X and Y are also percentages; e.g., +50+50 centers
56	* the image in the window.	70	* the image in the window.
57	* WxH+X Assumes Y == X
58	* WxH Assumes Y == X == 50 (centers the image)
59	* W+X+Y Assumes H == W
60	* W+X Assumes H == W and Y == X
61	* W Assumes H == W and Y == X == 50
62	*
63	* Adjusting position only :
64	* =+X+Y Set position to X% by Y% (absolute).
65	* =+X Set position to X% by X%.
66	* +X+Y Adjust position horizontally X% and vertically Y%
67	* from current position (relative).
68	* +X Adjust position horizontally X% and vertically X%
69	* from current position.
70	*
71	* Adjusting scale only :
72	* Wx0 Multiply horizontal scaling factor by W%
73	* 0xH Multiply vertical scaling factor by H%
74	* 0x0 No scaling (show image at normal size).
75	*	71	*
76	* Pixmap Operations : (should be prepended by a colon)	72	* Pixmap Operations : (should be prepended by a colon)
77	* tile Tile image. Scaling/position modifiers above will affect	73	* tile Tile image. Scaling/position modifiers above will affect
78	* the tile size and origin.	74	* the tile size and origin.
79	* propscale When scaling, scale proportionally. That is, maintain the	75	* propscale When scaling, scale proportionally. That is, maintain the
80	* proper aspect ratio for the image. Any portion of the	76	* proper aspect ratio for the image. Any portion of the
81	* background not covered by the image is filled with the	77	* background not covered by the image is filled with the
82	* current background color.	78	* current background color.
83	* hscale Scale horizontally, tile vertically ?	79	* hscale Scale horizontally, tile vertically ?
84	* vscale Tile horizontally, scale vertically ?	80	* vscale Tile horizontally, scale vertically ?
…		…
92	// this is basically redundant as bgPixmap_t is only used in	88	// this is basically redundant as bgPixmap_t is only used in
93	// zero_initialised-derived structs	89	// zero_initialised-derived structs
94	#ifdef HAVE_AFTERIMAGE	90	#ifdef HAVE_AFTERIMAGE
95	original_asim = NULL;	91	original_asim = NULL;
96	#endif	92	#endif
		93	#ifdef HAVE_PIXBUF
		94	pixbuf = NULL;
		95	#endif
97	#ifdef BG_IMAGE_FROM_FILE	96	#ifdef BG_IMAGE_FROM_FILE
		97	have_image = false;
98	h_scale = v_scale = 0;	98	h_scale = v_scale = 0;
99	h_align = v_align = 0;	99	h_align = v_align = 0;
		100	#endif
		101	#ifdef ENABLE_TRANSPARENCY
		102	shade = 100;
100	#endif	103	#endif
101	flags = 0;	104	flags = 0;
102	pixmap = None;	105	pixmap = None;
103	valid_since = invalid_since = 0;	106	valid_since = invalid_since = 0;
104	target = 0;	107	target = 0;
		108	target_x = target_y = 0;
105	}	109	}
106		110
107	void	111	void
108	bgPixmap_t::destroy ()	112	bgPixmap_t::destroy ()
109	{	113	{
110	#ifdef HAVE_AFTERIMAGE	114	#ifdef HAVE_AFTERIMAGE
111	if (original_asim)	115	if (original_asim)
112	safe_asimage_destroy (original_asim);	116	safe_asimage_destroy (original_asim);
113	#endif	117	#endif
114		118
		119	#ifdef HAVE_PIXBUF
		120	if (pixbuf)
		121	g_object_unref (pixbuf);
		122	#endif
		123
115	if (pixmap && target)	124	if (pixmap && target)
116	XFreePixmap (target->dpy, pixmap);	125	XFreePixmap (target->dpy, pixmap);
		126	}
		127
		128	bool
		129	bgPixmap_t::set_position (int x, int y)
		130	{
		131
		132	if (target_x != x
		133	|| target_y != y)
		134	{
		135	target_x = x;
		136	target_y = y;
		137	return true;
		138	}
		139	return false;
117	}	140	}
118		141
119	bool	142	bool
120	bgPixmap_t::window_size_sensitive ()	143	bgPixmap_t::window_size_sensitive ()
121	{	144	{
…		…
123	if (flags & isTransparent)	146	if (flags & isTransparent)
124	return true;	147	return true;
125	# endif	148	# endif
126		149
127	# ifdef BG_IMAGE_FROM_FILE	150	# ifdef BG_IMAGE_FROM_FILE
128	# ifdef HAVE_AFTERIMAGE	151	if (have_image)
129	if (original_asim)
130	# endif
131	{	152	{
132	if (h_scale != 0 || v_scale != 0	153	if (flags & sizeSensitive)
133	|| h_align != 0 || v_align != 0)
134	return true;	154	return true;
135	}	155	}
136	# endif	156	# endif
137		157
138	return false;	158	return false;
139	}	159	}
140		160
141	bool	161	bool
142	bgPixmap_t::window_position_sensitive ()	162	bgPixmap_t::window_position_sensitive ()
143	{	163	{
144	# ifdef ENABLE_TRANSPARENCY	164	# ifdef ENABLE_TRANSPARENCY
145	if (flags & isTransparent)	165	if (flags & isTransparent)
146	return true;	166	return true;
147	# endif	167	# endif
148		168
149	# ifdef BG_IMAGE_FROM_FILE	169	# ifdef BG_IMAGE_FROM_FILE
150	# ifdef HAVE_AFTERIMAGE	170	if (have_image)
151	if (original_asim)
152	# endif
153	{	171	{
154	if (h_align == rootAlign || v_align == rootAlign)	172	if (flags & rootAlign)
155	return true;	173	return true;
156	}	174	}
157	# endif	175	# endif
158		176
159	return false;	177	return false;
160	};	178	}
161		179
162	bool bgPixmap_t::need_client_side_rendering ()	180	bool bgPixmap_t::need_client_side_rendering ()
163	{	181	{
164	# ifdef HAVE_AFTERIMAGE	182	# ifdef HAVE_AFTERIMAGE
165	if (original_asim)	183	if (original_asim)
166	return true;	184	return true;
167	# endif	185	# endif
168	# ifdef ENABLE_TRANSPARENCY
169	if (flags & isTransparent)
170	{
171	# ifdef HAVE_AFTERIMAGE // can't blur without libAI anyways
172	if ((flags & blurNeeded) && !(flags & blurServerSide))
173	return true;
174	# endif
175	if ((flags & tintNeeded) && !(flags & tintServerSide))
176	return true;
177	}
178	# endif
179	return false;	186	return false;
180	}	187	}
181		188
182	# ifdef BG_IMAGE_FROM_FILE	189	# ifdef BG_IMAGE_FROM_FILE
183	static inline bool	190	static inline bool
…		…
199	static inline bool	206	static inline bool
200	check_set_align_value (int geom_flags, int flag, int &align, int new_value)	207	check_set_align_value (int geom_flags, int flag, int &align, int new_value)
201	{	208	{
202	if (geom_flags & flag)	209	if (geom_flags & flag)
203	{	210	{
204	if (new_value != bgPixmap_t::rootAlign)
205	{
206	if (new_value < -100)	211	if (new_value < -100)
207	new_value = -100;	212	new_value = -100;
208	else if (new_value > 200)	213	else if (new_value > 200)
209	new_value = 200;	214	new_value = 200;
210	}
211	if (new_value != align)	215	if (new_value != align)
212	{	216	{
213	align = new_value;	217	align = new_value;
214	return true;	218	return true;
215	}	219	}
…		…
219		223
220	static inline int	224	static inline int
221	make_align_position (int align, int window_size, int image_size)	225	make_align_position (int align, int window_size, int image_size)
222	{	226	{
223	int diff = window_size - image_size;	227	int diff = window_size - image_size;
224	int smaller = MIN (image_size,window_size);	228	int smaller = min (image_size, window_size);
225		229
226	if (align >= 0 && align <= 50)	230	if (align >= 0 && align <= 100)
227	return diff * align / 100;	231	return diff * align / 100;
228	else if (align > 50 && align <= 100)
229	return window_size - image_size - diff * (100 - align) / 100;
230	else if (align > 100 && align <= 200 )	232	else if (align > 100 && align <= 200)
231	return ((align - 100) * smaller / 100) + window_size - smaller;	233	return ((align - 100) * smaller / 100) + window_size - smaller;
232	else if (align > -100 && align < 0)	234	else if (align >= -100 && align < 0)
233	return ((align + 100) * smaller / 100) - image_size;	235	return ((align + 100) * smaller / 100) - image_size;
234	return 0;	236	return 0;
235	}	237	}
236		238
237	static inline int	239	static inline int
238	make_clip_rectangle (int pos, int size, int target_size, int &dst_pos, int &dst_size)	240	make_clip_rectangle (int pos, int size, int target_size, int &dst_pos, int &dst_size)
239	{	241	{
240	int src_pos = 0;	242	int src_pos = 0;
241	dst_pos = 0;	243	dst_pos = pos;
242	dst_size = size;	244	dst_size = size;
243	if (pos < 0 && size > target_size)	245	if (pos < 0)
244	{	246	{
245	src_pos = -pos;	247	src_pos = -pos;
		248	dst_pos = 0;
246	dst_size += pos;	249	dst_size += pos;
247	}	250	}
248	else if (pos > 0)
249	dst_pos = pos;
250		251
251	if (dst_pos + dst_size > target_size)	252	if (dst_pos + dst_size > target_size)
252	dst_size = target_size - dst_pos;	253	dst_size = target_size - dst_pos;
253	return src_pos;	254	return src_pos;
254	}	255	}
255		256
256	bool	257	bool
257	bgPixmap_t::set_geometry (const char *geom)	258	bgPixmap_t::set_geometry (const char *geom, bool update)
258	{	259	{
		260	bool changed = false;
259	int geom_flags = 0, changed = 0;	261	int geom_flags = 0;
260	int x = 0, y = 0;	262	int x = 0, y = 0;
261	unsigned int w = 0, h = 0;	263	unsigned int w = 0, h = 0;
262	unsigned int n;	264	unsigned int n;
263	unsigned long new_flags = (flags & (~geometryFlags));	265	unsigned long new_flags = (flags & (~geometryFlags));
264	char *p;	266	const char *ops;
265	# define MAXLEN_GEOM 256 /* could be longer than regular geometry string */	267	# define MAXLEN_GEOM 256 /* could be longer than regular geometry string */
266		268
267	if (geom == NULL)	269	if (geom == NULL)
268	return false;	270	return false;
269		271
270	char str[MAXLEN_GEOM];	272	char str[MAXLEN_GEOM];
271		273
272	while (isspace(*geom)) ++geom;
273	if ((p = strchr (geom, ';')) == NULL)
274	p = strchr (geom, '\0');	274	ops = strchr (geom, ':');
275		275	if (ops == NULL)
		276	n = strlen (geom);
		277	else
276	n = (p - geom);	278	n = ops - geom;
		279
277	if (n < MAXLEN_GEOM)	280	if (n >= MAXLEN_GEOM)
278	{	281	return false;
279	char *ops;
280	new_flags |= geometrySet;
281		282
282	memcpy (str, geom, n);	283	memcpy (str, geom, n);
283	str[n] = '\0';	284	str[n] = '\0';
284	if (str[0] == ':')	285	rxvt_strtrim (str);
285	ops = &str[0];
286	else if (str[0] != 'x' && str[0] != 'X' && isalpha(str[0]))
287	ops = &str[0];
288	else
289	{
290	char *tmp;
291	ops = strchr (str, ':');
292	if (ops != NULL)
293	{
294	for (tmp = ops-1; tmp >= str && isspace(*tmp); --tmp);
295	*(++tmp) = '\0';
296	if (ops == tmp) ++ops;
297	}
298	}
299		286
300	if (ops > str || ops == NULL)	287	if (str[0])
301	{	288	{
302	/* we have geometry string - let's handle it prior to applying ops */	289	/* we have geometry string - let's handle it prior to applying ops */
303	geom_flags = XParseGeometry (str, &x, &y, &w, &h);	290	geom_flags = XParseGeometry (str, &x, &y, &w, &h);
304
305	if ((geom_flags & XValue) && !(geom_flags & YValue))
306	{
307	y = x;
308	geom_flags |= YValue;
309	}
310
311	if (flags & geometrySet)
312	{
313	/* new geometry is an adjustment to the old one ! */
314	if ((geom_flags & WidthValue) && (geom_flags & HeightValue))
315	{
316	if (w == 0 && h != 0)
317	{
318	w = h_scale;
319	h = (v_scale * h) / 100;
320	}
321	else if (h == 0 && w != 0)
322	{
323	w = (h_scale * w) / 100;
324	h = v_scale;
325	}
326	}
327	if (geom_flags & XValue)
328	{
329	if (str[0] != '=')
330	{
331	y += v_align;
332	x += h_align;
333	}
334	}
335	}
336	else /* setting up geometry from scratch */
337	{
338	if (!(geom_flags & XValue))
339	{
340	/* use default geometry - centered */
341	x = y = defaultAlign;
342	}
343	else if (!(geom_flags & YValue))
344	y = x;
345
346	if ((geom_flags & (WidthValue|HeightValue)) == 0)
347	{
348	/* use default geometry - scaled */
349	w = h = defaultScale;
350	}
351	else if (geom_flags & WidthValue)
352	{
353	if (!(geom_flags & HeightValue))
354	h = w;
355	}
356	else
357	w = h;
358	}
359	} /* done parsing geometry string */	291	} /* done parsing geometry string */
360	else if (!(flags & geometrySet))	292
361	{	293	if (!update)
362	/* default geometry - scaled and centered */	294	{
		295	if (!(geom_flags & XValue))
363	x = y = defaultAlign;	296	x = y = defaultAlign;
		297	else if (!(geom_flags & YValue))
		298	y = x;
		299
		300	if (!(geom_flags & (WidthValue|HeightValue)))
364	w = h = defaultScale;	301	w = h = defaultScale;
365	}	302	else if (!(geom_flags & HeightValue))
		303	h = w;
		304	else if (!(geom_flags & WidthValue))
		305	w = h;
366		306
367	if (!(flags & geometrySet))
368	geom_flags |= WidthValue|HeightValue|XValue|YValue;	307	geom_flags |= WidthValue|HeightValue|XValue|YValue;
		308	}
369		309
370	if (ops)	310	if (ops)
371	{	311	{
372	while (*ops)	312	char **arr = rxvt_strsplit (':', ops + 1);
		313
		314	for (int i = 0; arr[i]; i++)
373	{	315	{
374	while (*ops == ':' || isspace(*ops)) ++ops;
375
376	# define CHECK_GEOM_OPS(op_str) (strncasecmp (ops, (op_str), sizeof (op_str) - 1) == 0)	316	# define CHECK_GEOM_OPS(op_str) (strcasecmp (arr[i], (op_str)) == 0)
377	if (CHECK_GEOM_OPS ("tile"))	317	if (CHECK_GEOM_OPS ("tile"))
378	{	318	{
379	w = h = noScale;	319	w = h = noScale;
380	geom_flags |= WidthValue|HeightValue;	320	geom_flags |= WidthValue|HeightValue;
381	}	321	}
382	else if (CHECK_GEOM_OPS ("propscale"))	322	else if (CHECK_GEOM_OPS ("propscale"))
383	{	323	{
384	if (w == 0 && h == 0)
385	{
386	w = windowScale;
387	geom_flags |= WidthValue;
388	}
389	new_flags |= propScale;	324	new_flags |= propScale;
390	}	325	}
391	else if (CHECK_GEOM_OPS ("hscale"))	326	else if (CHECK_GEOM_OPS ("hscale"))
392	{	327	{
393	if (w == 0) w = windowScale;	328	if (w == 0) w = windowScale;
394		329
395	h = noScale;	330	h = noScale;
396	geom_flags |= WidthValue|HeightValue;	331	geom_flags |= WidthValue|HeightValue;
397	}	332	}
398	else if (CHECK_GEOM_OPS ("vscale"))	333	else if (CHECK_GEOM_OPS ("vscale"))
399	{	334	{
400	if (h == 0) h = windowScale;	335	if (h == 0) h = windowScale;
401		336
402	w = noScale;	337	w = noScale;
403	geom_flags |= WidthValue|HeightValue;	338	geom_flags |= WidthValue|HeightValue;
404	}	339	}
405	else if (CHECK_GEOM_OPS ("scale"))	340	else if (CHECK_GEOM_OPS ("scale"))
406	{	341	{
407	if (h == 0) h = windowScale;	342	if (h == 0) h = windowScale;
408	if (w == 0) w = windowScale;	343	if (w == 0) w = windowScale;
409		344
410	geom_flags |= WidthValue|HeightValue;	345	geom_flags |= WidthValue|HeightValue;
411	}	346	}
412	else if (CHECK_GEOM_OPS ("auto"))	347	else if (CHECK_GEOM_OPS ("auto"))
413	{	348	{
414	w = h = windowScale;	349	w = h = windowScale;
415	x = y = centerAlign;	350	x = y = centerAlign;
416	geom_flags |= WidthValue|HeightValue|XValue|YValue;	351	geom_flags |= WidthValue|HeightValue|XValue|YValue;
417	}	352	}
418	else if (CHECK_GEOM_OPS ("root"))	353	else if (CHECK_GEOM_OPS ("root"))
419	{	354	{
		355	new_flags |= rootAlign;
420	w = h = noScale;	356	w = h = noScale;
421	x = y = rootAlign;
422	geom_flags |= WidthValue|HeightValue|XValue|YValue;	357	geom_flags |= WidthValue|HeightValue;
423	}	358	}
424	# undef CHECK_GEOM_OPS	359	# undef CHECK_GEOM_OPS
425
426	while (*ops != ':' && *ops != '\0') ++ops;
427	} /* done parsing ops */	360	} /* done parsing ops */
428	}
429		361
		362	rxvt_free_strsplit (arr);
		363	}
		364
430	if (check_set_scale_value (geom_flags, WidthValue, h_scale, w)) ++changed;	365	if (check_set_scale_value (geom_flags, WidthValue, h_scale, w)) changed = true;
431	if (check_set_scale_value (geom_flags, HeightValue, v_scale, h)) ++changed;	366	if (check_set_scale_value (geom_flags, HeightValue, v_scale, h)) changed = true;
432	if (check_set_align_value (geom_flags, XValue, h_align, x)) ++changed;	367	if (check_set_align_value (geom_flags, XValue, h_align, x)) changed = true;
433	if (check_set_align_value (geom_flags, YValue, v_align, y)) ++changed;	368	if (check_set_align_value (geom_flags, YValue, v_align, y)) changed = true;
434	}
435		369
436	if (new_flags != flags)	370	if (new_flags != flags)
437	{	371	{
438	flags = new_flags;	372	flags = new_flags;
439	changed++;	373	changed = true;
440	}	374	}
441		375
442	//fprintf (stderr, "flags = %lX, scale = %ux%u, align=%+d%+d\n",
443	// flags, h_scale, v_scale, h_align, v_align);
444	return (changed > 0);	376	return changed;
		377	}
		378
		379	void
		380	bgPixmap_t::get_image_geometry (int image_width, int image_height, int &w, int &h, int &x, int &y)
		381	{
		382	int target_width = target->szHint.width;
		383	int target_height = target->szHint.height;
		384
		385	if (flags & propScale)
		386	{
		387	float scale = (float)target_width / image_width;
		388	min_it (scale, (float)target_height / image_height);
		389	w = image_width * scale + 0.5;
		390	h = image_height * scale + 0.5;
		391	}
		392	else
		393	{
		394	w = h_scale * target_width / 100;
		395	h = v_scale * target_height / 100;
		396	}
		397
		398	if (!w) w = image_width;
		399	if (!h) h = image_height;
		400
		401	if (flags & rootAlign)
		402	{
		403	x = -target_x;
		404	y = -target_y;
		405	}
		406	else
		407	{
		408	x = make_align_position (h_align, target_width, w);
		409	y = make_align_position (v_align, target_height, h);
		410	}
		411
		412	flags &= ~sizeSensitive;
		413	if ((flags & propScale) || h_scale || v_scale
		414	|| (!(flags & rootAlign) && (h_align || v_align))
		415	|| w > target_width || h > target_height)
		416	flags |= sizeSensitive;
445	}	417	}
446		418
447	# ifdef HAVE_AFTERIMAGE	419	# ifdef HAVE_AFTERIMAGE
448	bool	420	bool
449	bgPixmap_t::render_asim (ASImage *background, ARGB32 background_tint)	421	bgPixmap_t::render_image (unsigned long background_flags)
450	{	422	{
451	if (target == NULL)	423	if (target == NULL)
452	return false;	424	return false;
453		425
		426	target->init_asv ();
		427
		428	ASImage *background = NULL;
		429	ARGB32 background_tint = TINT_LEAVE_SAME;
		430
		431	# ifdef ENABLE_TRANSPARENCY
		432	if (background_flags)
		433	background = pixmap2ximage (target->asv, pixmap, 0, 0, pmap_width, pmap_height, AllPlanes, 100);
		434
		435	if (!(background_flags & transpPmapTinted) && (flags & tintNeeded))
		436	{
		437	ShadingInfo as_shade;
		438	as_shade.shading = shade;
		439
		440	rgba c (rgba::MAX_CC,rgba::MAX_CC,rgba::MAX_CC);
		441	if (flags & tintSet)
		442	tint.get (c);
		443	as_shade.tintColor.red = c.r;
		444	as_shade.tintColor.green = c.g;
		445	as_shade.tintColor.blue = c.b;
		446
		447	background_tint = shading2tint32 (&as_shade);
		448	}
		449
		450	if (!(background_flags & transpPmapBlurred) && (flags & blurNeeded) && background != NULL)
		451	{
		452	ASImage *tmp = blur_asimage_gauss (target->asv, background, h_blurRadius, v_blurRadius, 0xFFFFFFFF,
		453	(original_asim == NULL || tint == TINT_LEAVE_SAME) ? ASA_XImage : ASA_ASImage,
		454	100, ASIMAGE_QUALITY_DEFAULT);
		455	if (tmp)
		456	{
		457	destroy_asimage (&background);
		458	background = tmp;
		459	}
		460	}
		461	# endif
		462
		463	ASImage *result = 0;
		464
454	int target_width = (int)target->szHint.width;	465	int target_width = target->szHint.width;
455	int target_height = (int)target->szHint.height;	466	int target_height = target->szHint.height;
456	int new_pmap_width = target_width, new_pmap_height = target_height;	467	int new_pmap_width = target_width;
457	ASImage *result = NULL;	468	int new_pmap_height = target_height;
458		469
459	int x = 0;	470	int x = 0;
460	int y = 0;	471	int y = 0;
461	int w = h_scale * target_width / 100;	472	int w = 0;
462	int h = v_scale * target_height / 100;	473	int h = 0;
463
464	TIMING_TEST_START (asim);
465		474
466	if (original_asim)	475	if (original_asim)
467	{	476	get_image_geometry (original_asim->width, original_asim->height, w, h, x, y);
468	if (h_align == rootAlign || v_align == rootAlign)
469	{
470	target->get_window_origin(x, y);
471	x = -x;
472	y = -y;
473	}
474
475	if (h_align != rootAlign)
476	x = make_align_position (h_align, target_width, w > 0 ? w : (int)original_asim->width);
477
478	if (v_align != rootAlign)
479	y = make_align_position (v_align, target_height, h > 0 ? h : (int)original_asim->height);
480	}
481		477
482	if (!original_asim	478	if (!original_asim
		479	|| (!(flags & rootAlign)
483	|| x >= target_width	480	&& (x >= target_width
484	|| y >= target_height	481	|| y >= target_height
485	|| (w > 0 && x + w <= 0)	482	|| (x + w <= 0)
486	|| (h > 0 && y + h <= 0))	483	|| (y + h <= 0))))
487	{	484	{
488	if (background)	485	if (background)
489	{	486	{
490	new_pmap_width = background->width;	487	new_pmap_width = background->width;
491	new_pmap_height = background->height;	488	new_pmap_height = background->height;
492	result = background;	489	result = background;
493		490
494	if (background_tint != TINT_LEAVE_SAME)	491	if (background_tint != TINT_LEAVE_SAME)
495	{	492	{
496	ASImage* tmp = tile_asimage (target->asv, background, 0, 0,	493	ASImage *tmp = tile_asimage (target->asv, background, 0, 0,
497	target_width, target_height, background_tint,	494	target_width, target_height, background_tint,
498	ASA_XImage, 100, ASIMAGE_QUALITY_DEFAULT);	495	ASA_XImage, 100, ASIMAGE_QUALITY_DEFAULT);
499	if (tmp)	496	if (tmp)
500	result = tmp;	497	result = tmp;
501	}	498	}
…		…
505	}	502	}
506	else	503	else
507	{	504	{
508	result = original_asim;	505	result = original_asim;
509		506
510	if ((w > 0 && w != original_asim->width)	507	if ((w != original_asim->width)
511	|| (h > 0 && h != original_asim->height))	508	|| (h != original_asim->height))
512	{	509	{
513	result = scale_asimage (target->asv, original_asim,	510	result = scale_asimage (target->asv, original_asim,
514	w > 0 ? w : original_asim->width,	511	w, h,
515	h > 0 ? h : original_asim->height,
516	background ? ASA_ASImage : ASA_XImage,	512	background ? ASA_ASImage : ASA_XImage,
517	100, ASIMAGE_QUALITY_DEFAULT);	513	100, ASIMAGE_QUALITY_DEFAULT);
518	}	514	}
519		515
520	if (background == NULL)	516	if (background == NULL)
521	{	517	{
522	/* if tiling - pixmap has to be sized exactly as the image,
523	but there is no need to make it bigger than the window! */
524	if (h_scale == 0)
525	new_pmap_width = min (result->width, target_width);
526	if (v_scale == 0)
527	new_pmap_height = min (result->height, target_height);
528	/* we also need to tile our image in one or both directions */
529	if (h_scale == 0 || v_scale == 0)	518	if (h_scale == 0 || v_scale == 0)
530	{	519	{
		520	/* if tiling - pixmap has to be sized exactly as the image,
		521	but there is no need to make it bigger than the window! */
		522	new_pmap_width = min (result->width, target_width);
		523	new_pmap_height = min (result->height, target_height);
		524
		525	/* we also need to tile our image in both directions */
531	ASImage *tmp = tile_asimage (target->asv, result,	526	ASImage *tmp = tile_asimage (target->asv, result,
532	(h_scale > 0) ? 0 : (int)result->width - x,	527	(int)result->width - x,
533	(v_scale > 0) ? 0 : (int)result->height - y,	528	(int)result->height - y,
534	new_pmap_width,	529	new_pmap_width,
535	new_pmap_height,	530	new_pmap_height,
536	TINT_LEAVE_SAME, ASA_XImage,	531	TINT_LEAVE_SAME, ASA_XImage,
537	100, ASIMAGE_QUALITY_DEFAULT);	532	100, ASIMAGE_QUALITY_DEFAULT);
538	if (tmp)	533	if (tmp)
539	{	534	{
…		…
546	}	541	}
547	else	542	else
548	{	543	{
549	/* if blending background and image - pixmap has to be sized same as target window */	544	/* if blending background and image - pixmap has to be sized same as target window */
550	ASImageLayer *layers = create_image_layers (2);	545	ASImageLayer *layers = create_image_layers (2);
551	ASImage *merged_im = NULL;
552		546
553	layers[0].im = background;	547	layers[0].im = background;
554	layers[0].clip_width = target_width;	548	layers[0].clip_width = target_width;
555	layers[0].clip_height = target_height;	549	layers[0].clip_height = target_height;
556	layers[0].tint = background_tint;	550	layers[0].tint = background_tint;
557	layers[1].im = result;	551	layers[1].im = result;
558		552
559	if (w <= 0)	553	if (h_scale == 0 || v_scale == 0)
560	{	554	{
561	/* tile horizontally */	555	/* tile horizontally */
562	while (x > 0) x -= (int)result->width;	556	while (x > 0) x -= (int)result->width;
563	layers[1].dst_x = x;	557	layers[1].dst_x = x;
564	layers[1].clip_width = result->width+target_width;	558	layers[1].clip_width = result->width+target_width;
…		…
568	/* clip horizontally */	562	/* clip horizontally */
569	layers[1].dst_x = x;	563	layers[1].dst_x = x;
570	layers[1].clip_width = result->width;	564	layers[1].clip_width = result->width;
571	}	565	}
572		566
573	if (h <= 0)	567	if (h_scale == 0 || v_scale == 0)
574	{	568	{
575	while (y > 0) y -= (int)result->height;	569	while (y > 0) y -= (int)result->height;
576	layers[1].dst_y = y;	570	layers[1].dst_y = y;
577	layers[1].clip_height = result->height + target_height;	571	layers[1].clip_height = result->height + target_height;
578	}	572	}
…		…
601	}	595	}
602		596
603	free (layers);	597	free (layers);
604	}	598	}
605	}	599	}
606	TIMING_TEST_PRINT_RESULT (asim);
607		600
608	if (pixmap)	601	bool ret = false;
		602
		603	if (result)
609	{	604	{
610	if (result == NULL	605	XGCValues gcv;
		606	GC gc;
		607
		608	/* create Pixmap */
		609	if (pixmap == None
611	|| pmap_width != new_pmap_width	610	|| pmap_width != new_pmap_width
612	|| pmap_height != new_pmap_height	611	|| pmap_height != new_pmap_height
613	|| pmap_depth != target->depth)	612	|| pmap_depth != target->depth)
614	{	613	{
		614	if (pixmap)
615	XFreePixmap (target->dpy, pixmap);	615	XFreePixmap (target->dpy, pixmap);
616	pixmap = None;
617	}
618	}
619
620	if (result)
621	{
622	XGCValues gcv;
623	GC gc;
624
625	/* create Pixmap */
626	if (pixmap == None)
627	{
628	pixmap = XCreatePixmap (target->dpy, target->vt, new_pmap_width, new_pmap_height, target->depth);	616	pixmap = XCreatePixmap (target->dpy, target->vt, new_pmap_width, new_pmap_height, target->depth);
629	pmap_width = new_pmap_width;	617	pmap_width = new_pmap_width;
630	pmap_height = new_pmap_height;	618	pmap_height = new_pmap_height;
631	pmap_depth = target->depth;	619	pmap_depth = target->depth;
632	}	620	}
633	/* fill with background color ( if result's not completely overlapping it)*/	621	/* fill with background color (if result's not completely overlapping it) */
634	gcv.foreground = target->pix_colors[Color_bg];	622	gcv.foreground = target->pix_colors[Color_bg];
635	gc = XCreateGC (target->dpy, target->vt, GCForeground, &gcv);	623	gc = XCreateGC (target->dpy, target->vt, GCForeground, &gcv);
636		624
637	int src_x = 0, src_y = 0, dst_x = 0, dst_y = 0;	625	int src_x = 0, src_y = 0, dst_x = 0, dst_y = 0;
638	int dst_width = result->width, dst_height = result->height;	626	int dst_width = result->width, dst_height = result->height;
639	if (background == NULL)	627	if (background == NULL)
640	{	628	{
		629	if (!(h_scale == 0 || v_scale == 0))
		630	{
641	if (h_scale > 0) src_x = make_clip_rectangle (x, result->width , new_pmap_width , dst_x, dst_width );	631	src_x = make_clip_rectangle (x, result->width , new_pmap_width , dst_x, dst_width );
642	if (v_scale > 0) src_y = make_clip_rectangle (y, result->height, new_pmap_height, dst_y, dst_height);	632	src_y = make_clip_rectangle (y, result->height, new_pmap_height, dst_y, dst_height);
		633	}
643		634
644	if (dst_x > 0 || dst_y > 0	635	if (dst_x > 0 || dst_y > 0
645	|| dst_x + dst_width < new_pmap_width	636	|| dst_x + dst_width < new_pmap_width
646	|| dst_y + dst_height < new_pmap_height)	637	|| dst_y + dst_height < new_pmap_height)
647	XFillRectangle (target->dpy, pixmap, gc, 0, 0, new_pmap_width, new_pmap_height);	638	XFillRectangle (target->dpy, pixmap, gc, 0, 0, new_pmap_width, new_pmap_height);
…		…
653		644
654	if (result != background && result != original_asim)	645	if (result != background && result != original_asim)
655	destroy_asimage (&result);	646	destroy_asimage (&result);
656		647
657	XFreeGC (target->dpy, gc);	648	XFreeGC (target->dpy, gc);
658	TIMING_TEST_PRINT_RESULT (asim);	649
		650	ret = true;
		651	}
		652
		653	if (background)
		654	destroy_asimage (&background);
		655
		656	return ret;
		657	}
		658	# endif /* HAVE_AFTERIMAGE */
		659
		660	# ifdef HAVE_PIXBUF
		661	bool
		662	bgPixmap_t::pixbuf_to_pixmap (GdkPixbuf *pixbuf, Pixmap pixmap, GC gc,
		663	int src_x, int src_y, int dst_x, int dst_y,
		664	unsigned int width, unsigned int height)
		665	{
		666	XImage *ximage;
		667	char *data, *line;
		668	int bytes_per_pixel;
		669	int width_r, width_g, width_b;
		670	int sh_r, sh_g, sh_b;
		671	int rowstride;
		672	int channels;
		673	unsigned char *row;
		674	Visual *visual = target->visual;
		675	int depth = target->depth;
		676
		677	if (visual->c_class != TrueColor)
		678	return false;
		679
		680	if (depth == 24 || depth == 32)
		681	bytes_per_pixel = 4;
		682	else if (depth == 15 || depth == 16)
		683	bytes_per_pixel = 2;
		684	else
		685	return false;
		686
		687	width_r = rxvt_popcount (visual->red_mask);
		688	width_g = rxvt_popcount (visual->green_mask);
		689	width_b = rxvt_popcount (visual->blue_mask);
		690
		691	if (width_r > 8 || width_g > 8 || width_b > 8)
		692	return false;
		693
		694	sh_r = rxvt_ctz (visual->red_mask);
		695	sh_g = rxvt_ctz (visual->green_mask);
		696	sh_b = rxvt_ctz (visual->blue_mask);
		697
		698	if (width > INT_MAX / height / bytes_per_pixel)
		699	return false;
		700
		701	data = (char *)malloc (width * height * bytes_per_pixel);
		702	if (!data)
		703	return false;
		704
		705	ximage = XCreateImage (target->dpy, visual, depth, ZPixmap, 0, data,
		706	width, height, bytes_per_pixel * 8, 0);
		707	if (!ximage)
659	}	708	{
		709	free (data);
		710	return false;
		711	}
660		712
		713	ximage->byte_order = byteorder::big_endian () ? MSBFirst : LSBFirst;
		714
		715	rowstride = gdk_pixbuf_get_rowstride (pixbuf);
		716	channels = gdk_pixbuf_get_n_channels (pixbuf);
		717	row = gdk_pixbuf_get_pixels (pixbuf) + src_y * rowstride + src_x * channels;
		718	line = data;
		719
		720	for (int y = 0; y < height; y++)
		721	{
		722	for (int x = 0; x < width; x++)
		723	{
		724	unsigned char *pixel = row + x * channels;
		725	uint32_t value;
		726
		727	value = ((pixel[0] >> (8 - width_r)) << sh_r)
		728	| ((pixel[1] >> (8 - width_g)) << sh_g)
		729	| ((pixel[2] >> (8 - width_b)) << sh_b);
		730
		731	if (bytes_per_pixel == 4)
		732	((uint32_t *)line)[x] = value;
		733	else
		734	((uint16_t *)line)[x] = value;
		735	}
		736
		737	row += rowstride;
		738	line += ximage->bytes_per_line;
		739	}
		740
		741	XPutImage (target->dpy, pixmap, gc, ximage, 0, 0, dst_x, dst_y, width, height);
		742	XDestroyImage (ximage);
661	return true;	743	return true;
662	}	744	}
		745
		746	bool
		747	bgPixmap_t::render_image (unsigned long background_flags)
		748	{
		749	if (target == NULL)
		750	return false;
		751
		752	if (!pixbuf)
		753	return false;
		754
		755	if (background_flags
		756	&& !(flags & HAS_RENDER))
		757	return false;
		758
		759	GdkPixbuf *result;
		760
		761	int image_width = gdk_pixbuf_get_width (pixbuf);
		762	int image_height = gdk_pixbuf_get_height (pixbuf);
		763
		764	int target_width = target->szHint.width;
		765	int target_height = target->szHint.height;
		766	int new_pmap_width = target_width;
		767	int new_pmap_height = target_height;
		768
		769	int x = 0;
		770	int y = 0;
		771	int w = 0;
		772	int h = 0;
		773
		774	get_image_geometry (image_width, image_height, w, h, x, y);
		775
		776	if (!(flags & rootAlign)
		777	&& (x >= target_width
		778	|| y >= target_height
		779	|| (x + w <= 0)
		780	|| (y + h <= 0)))
		781	return false;
		782
		783	result = pixbuf;
		784
		785	if ((w != image_width)
		786	|| (h != image_height))
		787	{
		788	result = gdk_pixbuf_scale_simple (pixbuf,
		789	w, h,
		790	GDK_INTERP_BILINEAR);
		791	}
		792
		793	bool ret = false;
		794
		795	if (result)
		796	{
		797	XGCValues gcv;
		798	GC gc;
		799	Pixmap root_pmap;
		800
		801	image_width = gdk_pixbuf_get_width (result);
		802	image_height = gdk_pixbuf_get_height (result);
		803
		804	if (background_flags)
		805	{
		806	root_pmap = pixmap;
		807	pixmap = None;
		808	}
		809	else
		810	{
		811	if (h_scale == 0 || v_scale == 0)
		812	{
		813	new_pmap_width = min (image_width, target_width);
		814	new_pmap_height = min (image_height, target_height);
		815	}
		816	}
		817
		818	if (pixmap == None
		819	|| pmap_width != new_pmap_width
		820	|| pmap_height != new_pmap_height
		821	|| pmap_depth != target->depth)
		822	{
		823	if (pixmap)
		824	XFreePixmap (target->dpy, pixmap);
		825	pixmap = XCreatePixmap (target->dpy, target->vt, new_pmap_width, new_pmap_height, target->depth);
		826	pmap_width = new_pmap_width;
		827	pmap_height = new_pmap_height;
		828	pmap_depth = target->depth;
		829	}
		830
		831	gcv.foreground = target->pix_colors[Color_bg];
		832	gc = XCreateGC (target->dpy, target->vt, GCForeground, &gcv);
		833
		834	if (h_scale == 0 || v_scale == 0)
		835	{
		836	Pixmap tile = XCreatePixmap (target->dpy, target->vt, image_width, image_height, target->depth);
		837	pixbuf_to_pixmap (result, tile, gc,
		838	0, 0,
		839	0, 0,
		840	image_width, image_height);
		841
		842	gcv.tile = tile;
		843	gcv.fill_style = FillTiled;
		844	gcv.ts_x_origin = x;
		845	gcv.ts_y_origin = y;
		846	XChangeGC (target->dpy, gc, GCFillStyle | GCTile | GCTileStipXOrigin | GCTileStipYOrigin, &gcv);
		847
		848	XFillRectangle (target->dpy, pixmap, gc, 0, 0, new_pmap_width, new_pmap_height);
		849	XFreePixmap (target->dpy, tile);
		850	}
		851	else
		852	{
		853	int src_x, src_y, dst_x, dst_y;
		854	int dst_width, dst_height;
		855
		856	src_x = make_clip_rectangle (x, image_width , new_pmap_width , dst_x, dst_width );
		857	src_y = make_clip_rectangle (y, image_height, new_pmap_height, dst_y, dst_height);
		858
		859	if (dst_x > 0 || dst_y > 0
		860	|| dst_x + dst_width < new_pmap_width
		861	|| dst_y + dst_height < new_pmap_height)
		862	XFillRectangle (target->dpy, pixmap, gc, 0, 0, new_pmap_width, new_pmap_height);
		863
		864	if (dst_x < new_pmap_width && dst_y < new_pmap_height)
		865	pixbuf_to_pixmap (result, pixmap, gc,
		866	src_x, src_y,
		867	dst_x, dst_y,
		868	dst_width, dst_height);
		869	}
		870
		871	#if XRENDER
		872	if (background_flags)
		873	{
		874	Display *dpy = target->dpy;
		875	XRenderPictureAttributes pa;
		876
		877	XRenderPictFormat *src_format = XRenderFindVisualFormat (dpy, target->visual);
		878	Picture src = XRenderCreatePicture (dpy, root_pmap, src_format, 0, &pa);
		879
		880	XRenderPictFormat *dst_format = XRenderFindVisualFormat (dpy, target->visual);
		881	Picture dst = XRenderCreatePicture (dpy, pixmap, dst_format, 0, &pa);
		882
		883	pa.repeat = True;
		884	Pixmap mask_pmap = XCreatePixmap (dpy, target->vt, 1, 1, 8);
		885	XRenderPictFormat *mask_format = XRenderFindStandardFormat (dpy, PictStandardA8);
		886	Picture mask = XRenderCreatePicture (dpy, mask_pmap, mask_format, CPRepeat, &pa);
		887	XFreePixmap (dpy, mask_pmap);
		888
		889	if (src && dst && mask)
		890	{
		891	XRenderColor mask_c;
		892
		893	mask_c.alpha = 0x8000;
		894	mask_c.red = 0;
		895	mask_c.green = 0;
		896	mask_c.blue = 0;
		897	XRenderFillRectangle (dpy, PictOpSrc, mask, &mask_c, 0, 0, 1, 1);
		898	XRenderComposite (dpy, PictOpOver, src, mask, dst, 0, 0, 0, 0, 0, 0, target_width, target_height);
		899	}
		900
		901	XRenderFreePicture (dpy, src);
		902	XRenderFreePicture (dpy, dst);
		903	XRenderFreePicture (dpy, mask);
		904
		905	XFreePixmap (dpy, root_pmap);
		906	}
		907	#endif
		908
		909	if (result != pixbuf)
		910	g_object_unref (result);
		911
		912	XFreeGC (target->dpy, gc);
		913
		914	ret = true;
		915	}
		916
		917	return ret;
		918	}
663	# endif /* HAVE_AFTERIMAGE */	919	# endif /* HAVE_PIXBUF */
664		920
665	bool	921	bool
666	bgPixmap_t::set_file (const char *file)	922	bgPixmap_t::set_file (const char *file)
667	{	923	{
668	char *f;	924	if (!file || !*file)
		925	return false;
669		926
670	assert (file);	927	if (const char *p = strchr (file, ';'))
671		928	{
672	if (*file)	929	size_t len = p - file;
		930	char *f = rxvt_temp_buf<char> (len + 1);
		931	memcpy (f, file, len);
		932	f[len] = '\0';
		933	file = f;
673	{	934	}
		935
674	# ifdef HAVE_AFTERIMAGE	936	# ifdef HAVE_AFTERIMAGE
675	if (target->asimman == NULL)	937	if (!target->asimman)
676	target->asimman = create_generic_imageman (target->rs[Rs_path]);	938	target->asimman = create_generic_imageman (target->rs[Rs_path]);
677
678	if ((f = strchr (file, ';')) == NULL)
679	original_asim = get_asimage (target->asimman, file, 0xFFFFFFFF, 100);	939	ASImage *image = get_asimage (target->asimman, file, 0xFFFFFFFF, 100);
680	else	940	if (image)
681	{	941	{
682	size_t len = f - file;	942	if (original_asim)
683	f = (char *)malloc (len + 1);	943	safe_asimage_destroy (original_asim);
684	memcpy (f, file, len);	944	original_asim = image;
685	f[len] = '\0';	945	have_image = true;
686	original_asim = get_asimage (target->asimman, f, 0xFFFFFFFF, 100);	946	return true;
687	free (f);	947	}
688	}
689
690	return original_asim;
691	# endif	948	# endif
		949
		950	# ifdef HAVE_PIXBUF
		951	GdkPixbuf *image = gdk_pixbuf_new_from_file (file, NULL);
		952	if (image)
692	}	953	{
		954	if (pixbuf)
		955	g_object_unref (pixbuf);
		956	pixbuf = image;
		957	have_image = true;
		958	return true;
		959	}
		960	# endif
693		961
694	return false;	962	return false;
695	}	963	}
696		964
697	# endif /* BG_IMAGE_FROM_FILE */	965	# endif /* BG_IMAGE_FROM_FILE */
…		…
710	}	978	}
711		979
712	bool	980	bool
713	bgPixmap_t::set_blur_radius (const char *geom)	981	bgPixmap_t::set_blur_radius (const char *geom)
714	{	982	{
715	int changed = 0;	983	bool changed = false;
716	unsigned int hr, vr;	984	unsigned int hr, vr;
717	int junk;	985	int junk;
718	int geom_flags = XParseGeometry (geom, &junk, &junk, &hr, &vr);	986	int geom_flags = XParseGeometry (geom, &junk, &junk, &hr, &vr);
719		987
720	if (!(geom_flags&WidthValue))	988	if (!(geom_flags & WidthValue))
721	hr = 1;	989	hr = 1;
722	if (!(geom_flags&HeightValue))	990	if (!(geom_flags & HeightValue))
723	vr = hr;	991	vr = hr;
724		992
		993	min_it (hr, 128);
		994	min_it (vr, 128);
		995
725	if (h_blurRadius != hr)	996	if (h_blurRadius != hr)
726	{	997	{
727	++changed;	998	changed = true;
728	h_blurRadius = hr;	999	h_blurRadius = hr;
729	}	1000	}
730		1001
731	if (v_blurRadius != vr)	1002	if (v_blurRadius != vr)
732	{	1003	{
733	++changed;	1004	changed = true;
734	v_blurRadius = vr;	1005	v_blurRadius = vr;
735	}	1006	}
736		1007
737	if (v_blurRadius == 0 && h_blurRadius == 0)	1008	if (v_blurRadius == 0 && h_blurRadius == 0)
738	flags &= ~blurNeeded;	1009	flags &= ~blurNeeded;
739	else	1010	else
740	flags |= blurNeeded;	1011	flags |= blurNeeded;
741		1012
742	return (changed>0);	1013	return changed;
743	}	1014	}
744		1015
745	static inline unsigned long	1016	static inline unsigned long
746	compute_tint_shade_flags (rxvt_color *tint, int shade)	1017	compute_tint_shade_flags (rxvt_color *tint, int shade)
747	{	1018	{
748	unsigned long flags = 0;	1019	unsigned long flags = 0;
749	rgba c (rgba::MAX_CC,rgba::MAX_CC,rgba::MAX_CC);	1020	rgba c (rgba::MAX_CC,rgba::MAX_CC,rgba::MAX_CC);
750	bool has_shade = (shade > 0 && shade < 100) || (shade > 100 && shade < 200);	1021	bool has_shade = shade != 100;
751		1022
752	if (tint)	1023	if (tint)
753	{	1024	{
754	tint->get (c);	1025	tint->get (c);
755	# define IS_COMPONENT_WHOLESOME(cmp) ((cmp) <= 0x000700 || (cmp) >= 0x00f700)	1026	# define IS_COMPONENT_WHOLESOME(cmp) ((cmp) <= 0x00ff || (cmp) >= 0xff00)
		1027	if (!has_shade
756	if (!has_shade && IS_COMPONENT_WHOLESOME (c.r)	1028	&& IS_COMPONENT_WHOLESOME (c.r)
757	&& IS_COMPONENT_WHOLESOME (c.g)	1029	&& IS_COMPONENT_WHOLESOME (c.g)
758	&& IS_COMPONENT_WHOLESOME (c.b))	1030	&& IS_COMPONENT_WHOLESOME (c.b))
759	flags |= bgPixmap_t::tintWholesome;	1031	flags |= bgPixmap_t::tintWholesome;
760	# undef IS_COMPONENT_WHOLESOME	1032	# undef IS_COMPONENT_WHOLESOME
761	}	1033	}
762		1034
763	if (has_shade)	1035	if (has_shade || tint)
764	flags |= bgPixmap_t::tintNeeded;	1036	flags |= bgPixmap_t::tintNeeded;
765	else if (tint)
766	{
767	if ((c.r > 0x000700 || c.g > 0x000700 || c.b > 0x000700)
768	&& (c.r < 0x00f700 || c.g < 0x00f700 || c.b < 0x00f700))
769	{
770	flags |= bgPixmap_t::tintNeeded;
771	}
772	}
773
774	if (flags & bgPixmap_t::tintNeeded)
775	{
776	if (flags & bgPixmap_t::tintWholesome)
777	flags |= bgPixmap_t::tintServerSide;
778	else
779	{
780	#if XFT
781	flags |= bgPixmap_t::tintServerSide;
782	#endif
783	}
784	}
785		1037
786	return flags;	1038	return flags;
787	}	1039	}
788		1040
789	bool	1041	bool
790	bgPixmap_t::set_tint (rxvt_color &new_tint)	1042	bgPixmap_t::set_tint (rxvt_color &new_tint)
791	{	1043	{
792	if (tint != new_tint)	1044	if (!(flags & tintSet) || tint != new_tint)
793	{	1045	{
794	unsigned long new_flags = compute_tint_shade_flags (&new_tint, shade);	1046	unsigned long new_flags = compute_tint_shade_flags (&new_tint, shade);
795	tint = new_tint;	1047	tint = new_tint;
796	flags = (flags & ~tintFlags) | new_flags | tintSet;	1048	flags = (flags & ~tintFlags) | new_flags | tintSet;
797	return true;	1049	return true;
…		…
799		1051
800	return false;	1052	return false;
801	}	1053	}
802		1054
803	bool	1055	bool
804	bgPixmap_t::unset_tint ()
805	{
806	unsigned long new_flags = compute_tint_shade_flags (NULL, shade);
807
808	if (new_flags != (flags & tintFlags))
809	{
810	flags = (flags&~tintFlags)|new_flags;
811	return true;
812	}
813
814	return false;
815	}
816
817	bool
818	bgPixmap_t::set_shade (const char *shade_str)	1056	bgPixmap_t::set_shade (const char *shade_str)
819	{	1057	{
820	int new_shade = (shade_str) ? atoi (shade_str) : 0;	1058	int new_shade = (shade_str) ? atoi (shade_str) : 100;
821		1059
822	if (new_shade < 0 && new_shade > -100)	1060	clamp_it (new_shade, -100, 200);
		1061	if (new_shade < 0)
823	new_shade = 200 - (100 + new_shade);	1062	new_shade = 200 - (100 + new_shade);
824	else if (new_shade == 100)
825	new_shade = 0;
826		1063
827	if (new_shade != shade)	1064	if (new_shade != shade)
828	{	1065	{
829	unsigned long new_flags = compute_tint_shade_flags ((flags & tintSet) ? &tint : NULL, new_shade);	1066	unsigned long new_flags = compute_tint_shade_flags ((flags & tintSet) ? &tint : NULL, new_shade);
830	shade = new_shade;	1067	shade = new_shade;
…		…
833	}	1070	}
834		1071
835	return false;	1072	return false;
836	}	1073	}
837		1074
		1075	#if XRENDER
		1076	static void
		1077	get_gaussian_kernel (int radius, int width, double *kernel, XFixed *params)
		1078	{
		1079	double sigma = radius / 2.0;
		1080	double scale = sqrt (2.0 * M_PI) * sigma;
		1081	double sum = 0.0;
		1082
		1083	for (int i = 0; i < width; i++)
		1084	{
		1085	double x = i - width / 2;
		1086	kernel[i] = exp (-(x * x) / (2.0 * sigma * sigma)) / scale;
		1087	sum += kernel[i];
		1088	}
		1089
		1090	params[0] = XDoubleToFixed (width);
		1091	params[1] = XDoubleToFixed (1);
		1092
		1093	for (int i = 0; i < width; i++)
		1094	params[i+2] = XDoubleToFixed (kernel[i] / sum);
		1095	}
		1096	#endif
		1097
		1098	bool
		1099	bgPixmap_t::blur_pixmap (Pixmap pixmap, Visual *visual, int width, int height)
		1100	{
		1101	bool ret = false;
		1102	#if XRENDER
		1103	int size = max (h_blurRadius, v_blurRadius) * 2 + 1;
		1104	double *kernel = (double *)malloc (size * sizeof (double));
		1105	XFixed *params = (XFixed *)malloc ((size + 2) * sizeof (XFixed));
		1106
		1107	Display *dpy = target->dpy;
		1108	XRenderPictureAttributes pa;
		1109	XRenderPictFormat *format = XRenderFindVisualFormat (dpy, visual);
		1110
		1111	Picture src = XRenderCreatePicture (dpy, pixmap, format, 0, &pa);
		1112	Picture dst = XRenderCreatePicture (dpy, pixmap, format, 0, &pa);
		1113
		1114	if (kernel && params && src && dst)
		1115	{
		1116	if (h_blurRadius)
		1117	{
		1118	size = h_blurRadius * 2 + 1;
		1119	get_gaussian_kernel (h_blurRadius, size, kernel, params);
		1120
		1121	XRenderSetPictureFilter (dpy, src, FilterConvolution, params, size+2);
		1122	XRenderComposite (dpy,
		1123	PictOpSrc,
		1124	src,
		1125	None,
		1126	dst,
		1127	0, 0,
		1128	0, 0,
		1129	0, 0,
		1130	width, height);
		1131	}
		1132
		1133	if (v_blurRadius)
		1134	{
		1135	size = v_blurRadius * 2 + 1;
		1136	get_gaussian_kernel (v_blurRadius, size, kernel, params);
		1137	swap (params[0], params[1]);
		1138
		1139	XRenderSetPictureFilter (dpy, src, FilterConvolution, params, size+2);
		1140	XRenderComposite (dpy,
		1141	PictOpSrc,
		1142	src,
		1143	None,
		1144	dst,
		1145	0, 0,
		1146	0, 0,
		1147	0, 0,
		1148	width, height);
		1149	}
		1150
		1151	ret = true;
		1152	}
		1153
		1154	free (kernel);
		1155	free (params);
		1156	XRenderFreePicture (dpy, src);
		1157	XRenderFreePicture (dpy, dst);
		1158	#endif
		1159	return ret;
		1160	}
		1161
		1162	bool
		1163	bgPixmap_t::tint_pixmap (Pixmap pixmap, Visual *visual, int width, int height)
		1164	{
		1165	Display *dpy = target->dpy;
		1166	bool ret = false;
		1167
		1168	if (flags & tintWholesome)
		1169	{
		1170	XGCValues gcv;
		1171	GC gc;
		1172
		1173	/* In this case we can tint image server-side getting significant
		1174	* performance improvements, as we eliminate XImage transfer
		1175	*/
		1176	gcv.foreground = Pixel (tint);
		1177	gcv.function = GXand;
		1178	gcv.fill_style = FillSolid;
		1179	gc = XCreateGC (dpy, pixmap, GCFillStyle | GCForeground | GCFunction, &gcv);
		1180	if (gc)
		1181	{
		1182	XFillRectangle (dpy, pixmap, gc, 0, 0, width, height);
		1183	ret = true;
		1184	XFreeGC (dpy, gc);
		1185	}
		1186	}
		1187	else
		1188	{
		1189	# if XRENDER
		1190	rgba c (rgba::MAX_CC,rgba::MAX_CC,rgba::MAX_CC);
		1191
		1192	if (flags & tintSet)
		1193	tint.get (c);
		1194
		1195	if (shade <= 100)
		1196	{
		1197	c.r = (c.r * shade) / 100;
		1198	c.g = (c.g * shade) / 100;
		1199	c.b = (c.b * shade) / 100;
		1200	}
		1201	else
		1202	{
		1203	c.r = (c.r * (200 - shade)) / 100;
		1204	c.g = (c.g * (200 - shade)) / 100;
		1205	c.b = (c.b * (200 - shade)) / 100;
		1206	}
		1207
		1208	XRenderPictFormat *solid_format = XRenderFindStandardFormat (dpy, PictStandardARGB32);
		1209	XRenderPictFormat *format = XRenderFindVisualFormat (dpy, visual);
		1210	XRenderPictureAttributes pa;
		1211
		1212	Picture back_pic = XRenderCreatePicture (dpy, pixmap, format, 0, &pa);
		1213
		1214	pa.repeat = True;
		1215
		1216	Pixmap overlay_pmap = XCreatePixmap (dpy, pixmap, 1, 1, 32);
		1217	Picture overlay_pic = XRenderCreatePicture (dpy, overlay_pmap, solid_format, CPRepeat, &pa);
		1218	XFreePixmap (dpy, overlay_pmap);
		1219
		1220	pa.component_alpha = True;
		1221	Pixmap mask_pmap = XCreatePixmap (dpy, pixmap, 1, 1, 32);
		1222	Picture mask_pic = XRenderCreatePicture (dpy, mask_pmap, solid_format, CPRepeat|CPComponentAlpha, &pa);
		1223	XFreePixmap (dpy, mask_pmap);
		1224
		1225	if (mask_pic && overlay_pic && back_pic)
		1226	{
		1227	XRenderColor mask_c;
		1228
		1229	mask_c.red = mask_c.green = mask_c.blue = 0;
		1230	mask_c.alpha = 0xffff;
		1231	XRenderFillRectangle (dpy, PictOpSrc, overlay_pic, &mask_c, 0, 0, 1, 1);
		1232
		1233	mask_c.alpha = 0;
		1234	mask_c.red = 0xffff - c.r;
		1235	mask_c.green = 0xffff - c.g;
		1236	mask_c.blue = 0xffff - c.b;
		1237	XRenderFillRectangle (dpy, PictOpSrc, mask_pic, &mask_c, 0, 0, 1, 1);
		1238	XRenderComposite (dpy, PictOpOver, overlay_pic, mask_pic, back_pic, 0, 0, 0, 0, 0, 0, width, height);
		1239
		1240	if (shade > 100)
		1241	{
		1242	mask_c.red = mask_c.green = mask_c.blue = 0xffff * (shade - 100) / 100;
		1243	mask_c.alpha = 0;
		1244	XRenderFillRectangle (dpy, PictOpSrc, overlay_pic, &mask_c, 0, 0, 1, 1);
		1245
		1246	XRenderComposite (dpy, PictOpOver, overlay_pic, None, back_pic, 0, 0, 0, 0, 0, 0, width, height);
		1247	}
		1248
		1249	ret = true;
		1250	}
		1251
		1252	XRenderFreePicture (dpy, mask_pic);
		1253	XRenderFreePicture (dpy, overlay_pic);
		1254	XRenderFreePicture (dpy, back_pic);
		1255	# endif
		1256	}
		1257
		1258	return ret;
		1259	}
		1260
838	/* make_transparency_pixmap()	1261	/* make_transparency_pixmap()
839	* Builds a pixmap sized the same as terminal window, with depth same as the root window	1262	* Builds a pixmap of the same size as the terminal window that contains
840	* that pixmap contains tiled portion of the root pixmap that is supposed to be covered by	1263	* the tiled portion of the root pixmap that is supposed to be covered by
841	* our window.	1264	* our window.
842	*/	1265	*/
843	unsigned long	1266	unsigned long
844	bgPixmap_t::make_transparency_pixmap ()	1267	bgPixmap_t::make_transparency_pixmap ()
845	{	1268	{
846	unsigned long result = 0;	1269	unsigned long result = 0;
847		1270
848	if (target == NULL)	1271	if (target == NULL)
849	return 0;	1272	return 0;
850		1273
851	/* root dimentions may change from call to call - but Display structure should	1274	/* root dimensions may change from call to call - but Display structure should
852	* be always up-to-date, so let's use it :	1275	* be always up-to-date, so let's use it :
853	*/	1276	*/
854	Window root = target->display->root;
855	int screen = target->display->screen;	1277	int screen = target->display->screen;
856	Display *dpy = target->dpy;	1278	Display *dpy = target->dpy;
		1279	int root_depth = DefaultDepth (dpy, screen);
857	int root_width = DisplayWidth (dpy, screen);	1280	int root_width = DisplayWidth (dpy, screen);
858	int root_height = DisplayHeight (dpy, screen);	1281	int root_height = DisplayHeight (dpy, screen);
859	unsigned int root_pmap_width, root_pmap_height;	1282	unsigned int root_pmap_width, root_pmap_height;
860	int window_width = target->szHint.width;	1283	int window_width = target->szHint.width;
861	int window_height = target->szHint.height;	1284	int window_height = target->szHint.height;
862	int sx, sy;	1285	int sx, sy;
863	XGCValues gcv;	1286	XGCValues gcv;
		1287	GC gc;
864		1288
865	TIMING_TEST_START (tp);	1289	sx = target_x;
866	target->get_window_origin (sx, sy);	1290	sy = target_y;
867		1291
868	/* check if we are outside of the visible part of the virtual screen : */	1292	/* check if we are outside of the visible part of the virtual screen : */
869	if (sx + window_width <= 0 || sy + window_height <= 0	1293	if (sx + window_width <= 0 || sy + window_height <= 0
870	|| sx >= root_width || sy >= root_height)	1294	|| sx >= root_width || sy >= root_height)
871	return 0;	1295	return 0;
872		1296
		1297	// validate root pixmap and get its size
873	if (root_pixmap != None)	1298	if (root_pixmap != None)
874	{	1299	{
875	/* we want to validate the pixmap and get it's size at the same time : */	1300	Window wdummy;
876	int junk;	1301	int idummy;
877	unsigned int ujunk;	1302	unsigned int udummy;
878	/* root pixmap may be bad - allow a error */	1303
879	target->allowedxerror = -1;	1304	target->allowedxerror = -1;
880		1305
881	if (!XGetGeometry (dpy, root_pixmap, &root, &junk, &junk, &root_pmap_width, &root_pmap_height, &ujunk, &ujunk))	1306	if (!XGetGeometry (dpy, root_pixmap, &wdummy, &idummy, &idummy, &root_pmap_width, &root_pmap_height, &udummy, &udummy))
882	root_pixmap = None;	1307	root_pixmap = None;
883		1308
884	target->allowedxerror = 0;	1309	target->allowedxerror = 0;
885	}	1310	}
886		1311
		1312	Pixmap recoded_root_pmap = root_pixmap;
		1313
		1314	if (root_pixmap != None && root_depth != target->depth)
		1315	{
		1316	#if XRENDER
		1317	if (flags & HAS_RENDER)
		1318	{
		1319	XRenderPictureAttributes pa;
		1320
		1321	XRenderPictFormat *src_format = XRenderFindVisualFormat (dpy, DefaultVisual (dpy, screen));
		1322	Picture src = XRenderCreatePicture (dpy, root_pixmap, src_format, 0, &pa);
		1323
		1324	recoded_root_pmap = XCreatePixmap (dpy, target->vt, root_pmap_width, root_pmap_height, target->depth);
		1325	XRenderPictFormat *dst_format = XRenderFindVisualFormat (dpy, target->visual);
		1326	Picture dst = XRenderCreatePicture (dpy, recoded_root_pmap, dst_format, 0, &pa);
		1327
		1328	if (src && dst)
		1329	XRenderComposite (dpy, PictOpSrc, src, None, dst, 0, 0, 0, 0, 0, 0, root_pmap_width, root_pmap_height);
		1330	else
		1331	{
		1332	XFreePixmap (dpy, recoded_root_pmap);
		1333	root_pixmap = None;
		1334	}
		1335
		1336	XRenderFreePicture (dpy, src);
		1337	XRenderFreePicture (dpy, dst);
		1338	}
		1339	else
		1340	#endif
		1341	root_pixmap = None;
		1342	}
		1343
		1344	if (root_pixmap == None)
		1345	return 0;
		1346
887	Pixmap tiled_root_pmap = XCreatePixmap (dpy, root, window_width, window_height, root_depth);	1347	Pixmap tiled_root_pmap = XCreatePixmap (dpy, target->vt, window_width, window_height, target->depth);
888	GC gc = NULL;
889		1348
890	if (tiled_root_pmap == None) /* something really bad happened - abort */	1349	if (tiled_root_pmap == None) /* something really bad happened - abort */
891	return 0;	1350	return 0;
892		1351
893	if (root_pixmap == None)
894	{
895	/* use tricks to obtain the root background image :*/
896	/* we want to create Overrideredirect window overlapping out window
897	with background type of Parent Relative and then grab it */
898	XSetWindowAttributes attr;
899	Window src;
900	bool success = false;
901
902	attr.background_pixmap = ParentRelative;
903	attr.backing_store = Always;
904	attr.event_mask = ExposureMask;
905	attr.override_redirect = True;
906	src = XCreateWindow (dpy, root, sx, sy, window_width, window_height, 0,
907	CopyFromParent, CopyFromParent, CopyFromParent,
908	CWBackPixmap|CWBackingStore|CWOverrideRedirect|CWEventMask,
909	&attr);
910
911	if (src != None)
912	{
913	XEvent event;
914	int ev_count = 0;
915	XGrabServer (dpy);
916	XMapRaised (dpy, src);
917	XSync (dpy, False);
918
919	/* XSync should get window where it's properly exposed,
920	* but to be on the safe side - let's check for the actual event to arrive : */
921	while (XCheckWindowEvent (dpy, src, ExposureMask, &event))
922	++ev_count;
923
924	if (ev_count > 0);
925	{
926	/* hooray! - we can grab the image! */
927	gc = XCreateGC (dpy, root, 0, NULL);
928	if (gc)
929	{
930	XCopyArea (dpy, src, tiled_root_pmap, gc, 0, 0, window_width, window_height, 0, 0);
931	success = true;
932	}
933	}
934
935	XDestroyWindow (dpy, src);
936	XUngrabServer (dpy);
937	//fprintf (stderr, "%s:%d: ev_count = %d\n", __FUNCTION__, __LINE__, ev_count);
938	}
939
940	if (!success)
941	{
942	XFreePixmap (dpy, tiled_root_pmap);
943	tiled_root_pmap = None;
944	}
945	else
946	result |= transpPmapTiled;
947	}
948	else
949	{
950	/* strightforward pixmap copy */	1352	/* straightforward pixmap copy */
951	gcv.tile = root_pixmap;
952	gcv.fill_style = FillTiled;
953
954	while (sx < 0) sx += (int)root_width;	1353	while (sx < 0) sx += (int)root_width;
955	while (sy < 0) sy += (int)root_height;	1354	while (sy < 0) sy += (int)root_height;
956		1355
		1356	gcv.tile = recoded_root_pmap;
		1357	gcv.fill_style = FillTiled;
957	gcv.ts_x_origin = -sx;	1358	gcv.ts_x_origin = -sx;
958	gcv.ts_y_origin = -sy;	1359	gcv.ts_y_origin = -sy;
959	gc = XCreateGC (dpy, root, GCFillStyle | GCTile | GCTileStipXOrigin | GCTileStipYOrigin, &gcv);	1360	gc = XCreateGC (dpy, target->vt, GCFillStyle | GCTile | GCTileStipXOrigin | GCTileStipYOrigin, &gcv);
960		1361
961	if (gc)	1362	if (gc)
962	{	1363	{
963	XFillRectangle (dpy, tiled_root_pmap, gc, 0, 0, window_width, window_height);	1364	XFillRectangle (dpy, tiled_root_pmap, gc, 0, 0, window_width, window_height);
964	result |= transpPmapTiled;	1365	result |= transpPmapTiled;
965	}	1366	XFreeGC (dpy, gc);
966	}
967	TIMING_TEST_PRINT_RESULT (tp);
968		1367
969	if (tiled_root_pmap != None)
970	{
971	if (!need_client_side_rendering ())	1368	if (!need_client_side_rendering ())
972	{	1369	{
		1370	if ((flags & blurNeeded)
		1371	&& (flags & HAS_RENDER_CONV))
		1372	{
		1373	if (blur_pixmap (tiled_root_pmap, target->visual, window_width, window_height))
		1374	result |= transpPmapBlurred;
		1375	}
973	if ((flags & tintNeeded))	1376	if ((flags & tintNeeded)
974	{
975	if (flags & tintWholesome)	1377	&& (flags & (tintWholesome | HAS_RENDER)))
976	{	1378	{
977	/* In this case we can tint image server-side getting significant	1379	if (tint_pixmap (tiled_root_pmap, target->visual, window_width, window_height))
978	* performance improvements, as we eliminate XImage transfer
979	*/
980	gcv.foreground = Pixel (tint);
981	gcv.function = GXand;
982	gcv.fill_style = FillSolid;
983	if (gc)
984	XChangeGC (dpy, gc, GCFillStyle | GCForeground | GCFunction, &gcv);
985	else
986	gc = XCreateGC (dpy, root, GCFillStyle | GCForeground | GCFunction, &gcv);
987	if (gc)
988	{
989	XFillRectangle (dpy, tiled_root_pmap, gc, 0, 0, window_width, window_height);
990	result |= transpPmapTinted;	1380	result |= transpPmapTinted;
991	}
992	}
993	else
994	{
995	# if XFT
996	Picture back_pic = 0;
997	rgba c (rgba::MAX_CC,rgba::MAX_CC,rgba::MAX_CC);
998
999	if (flags & tintSet)
1000	tint.get (c);
1001
1002	if (shade > 0 && shade < 100)
1003	{
1004	c.r = (c.r * shade) / 100;
1005	c.g = (c.g * shade) / 100;
1006	c.b = (c.b * shade) / 100;
1007	}
1008	else if (shade > 100 && shade < 200)
1009	{
1010	c.r = (c.r * (200 - shade)) / 100;
1011	c.g = (c.g * (200 - shade)) / 100;
1012	c.b = (c.b * (200 - shade)) / 100;
1013	}
1014
1015	XRenderPictFormat pf;
1016	pf.type = PictTypeDirect;
1017	pf.depth = 32;
1018	pf.direct.redMask = 0xff;
1019	pf.direct.greenMask = 0xff;
1020	pf.direct.blueMask = 0xff;
1021	pf.direct.alphaMask = 0xff;
1022
1023	XRenderPictFormat *solid_format = XRenderFindFormat (dpy,
1024	(PictFormatType|
1025	PictFormatDepth|
1026	PictFormatRedMask|
1027	PictFormatGreenMask|
1028	PictFormatBlueMask|
1029	PictFormatAlphaMask),
1030	&pf,
1031	0);
1032	XRenderPictFormat *root_format = XRenderFindVisualFormat (dpy, DefaultVisualOfScreen (ScreenOfDisplay (dpy, target->display->screen)));
1033	XRenderPictureAttributes pa ;
1034
1035	back_pic = XRenderCreatePicture (dpy, tiled_root_pmap, root_format, 0, &pa);
1036
1037	pa.repeat = True;
1038
1039	Pixmap overlay_pmap = XCreatePixmap (dpy, root, 1, 1, 32);
1040	Picture overlay_pic = XRenderCreatePicture (dpy, overlay_pmap, solid_format, CPRepeat, &pa);
1041	XFreePixmap (dpy, overlay_pmap);
1042
1043	pa.component_alpha = True;
1044	Pixmap mask_pmap = XCreatePixmap (dpy, root, 1, 1, 32);
1045	Picture mask_pic = XRenderCreatePicture (dpy, mask_pmap, solid_format, CPRepeat|CPComponentAlpha, &pa);
1046	XFreePixmap (dpy, mask_pmap);
1047
1048	if (mask_pic && overlay_pic && back_pic)
1049	{
1050	XRenderColor mask_c;
1051
1052	memset (&mask_c, (shade > 100) ? 0xFF : 0x0, sizeof (mask_c));
1053	mask_c.alpha = 0xffff;
1054	XRenderFillRectangle (dpy, PictOpSrc, overlay_pic, &mask_c, 0, 0, 1, 1);
1055
1056	mask_c.alpha = 0;
1057	mask_c.red = 0xffff - c.r;
1058	mask_c.green = 0xffff - c.g;
1059	mask_c.blue = 0xffff - c.b;
1060	XRenderFillRectangle (dpy, PictOpSrc, mask_pic, &mask_c, 0, 0, 1, 1);
1061	XRenderComposite (dpy, PictOpOver, overlay_pic, mask_pic, back_pic, 0, 0, 0, 0, 0, 0, window_width, window_height);
1062	result |= transpPmapTinted;
1063	}
1064
1065	XRenderFreePicture (dpy, mask_pic);
1066	XRenderFreePicture (dpy, overlay_pic);
1067	XRenderFreePicture (dpy, back_pic);
1068	# if DO_TIMING_TEST
1069	XSync (dpy, False);
1070	# endif
1071	# endif
1072	}
1073	}	1381	}
1074	} /* server side rendering completed */	1382	} /* server side rendering completed */
1075		1383
1076	if (pixmap)	1384	if (pixmap)
1077	XFreePixmap (dpy, pixmap);	1385	XFreePixmap (dpy, pixmap);
1078		1386
1079	pixmap = tiled_root_pmap;	1387	pixmap = tiled_root_pmap;
1080	pmap_width = window_width;	1388	pmap_width = window_width;
1081	pmap_height = window_height;	1389	pmap_height = window_height;
1082	pmap_depth = root_depth;	1390	pmap_depth = target->depth;
1083	}	1391	}
		1392	else
		1393	XFreePixmap (dpy, tiled_root_pmap);
1084		1394
1085	if (gc)	1395	if (recoded_root_pmap != root_pixmap)
1086	XFreeGC (dpy, gc);	1396	XFreePixmap (dpy, recoded_root_pmap);
1087
1088	TIMING_TEST_PRINT_RESULT (tp);
1089		1397
1090	return result;	1398	return result;
1091	}	1399	}
1092		1400
1093	bool	1401	void
1094	bgPixmap_t::set_root_pixmap ()	1402	bgPixmap_t::set_root_pixmap ()
1095	{	1403	{
1096	Pixmap new_root_pixmap = target->get_pixmap_property (XA_XROOTPMAP_ID);	1404	Pixmap new_root_pixmap = target->get_pixmap_property (target->xa[XA_XROOTPMAP_ID]);
1097	if (new_root_pixmap == None)	1405	if (new_root_pixmap == None)
1098	new_root_pixmap = target->get_pixmap_property (XA_ESETROOT_PMAP_ID);	1406	new_root_pixmap = target->get_pixmap_property (target->xa[XA_ESETROOT_PMAP_ID]);
1099		1407
1100	if (new_root_pixmap != root_pixmap)
1101	{
1102	root_pixmap = new_root_pixmap;	1408	root_pixmap = new_root_pixmap;
1103	return true;
1104	}
1105
1106	return false;
1107	}	1409	}
1108	# endif /* ENABLE_TRANSPARENCY */	1410	# endif /* ENABLE_TRANSPARENCY */
1109		1411
1110	# ifndef HAVE_AFTERIMAGE	1412	#if defined(ENABLE_TRANSPARENCY) && !defined(HAVE_AFTERIMAGE)
1111	static void ShadeXImage(rxvt_term *term, XImage* srcImage, int shade, int rm, int gm, int bm);	1413	static void shade_ximage (Visual *visual, XImage *ximage, int shade, const rgba &c);
1112	# endif	1414	# endif
1113		1415
1114	bool	1416	bool
1115	bgPixmap_t::render ()	1417	bgPixmap_t::render ()
1116	{	1418	{
1117	unsigned long background_flags = 0;	1419	unsigned long background_flags = 0;
1118		1420
1119	if (target == NULL)	1421	if (target == NULL)
1120	return false;	1422	return false;
1121		1423
1122	TIMING_TEST_START (tp);
1123
1124	invalidate();	1424	invalidate ();
1125	# ifdef ENABLE_TRANSPARENCY	1425	# ifdef ENABLE_TRANSPARENCY
1126	if (flags & isTransparent)	1426	if (flags & isTransparent)
1127	{	1427	{
1128	/* we need to re-generate transparency pixmap in that case ! */	1428	/* we need to re-generate transparency pixmap in that case ! */
1129	background_flags = make_transparency_pixmap ();	1429	background_flags = make_transparency_pixmap ();
1130	if (background_flags == 0)	1430	if (background_flags == 0)
1131	return false;	1431	return false;
1132	else if ((background_flags & transpTransformations) == (flags & transpTransformations)	1432	else if ((background_flags & transpTransformations) == (flags & transpTransformations))
1133	&& pmap_depth == target->depth)
1134	flags = flags & ~isInvalid;	1433	flags &= ~isInvalid;
1135	}	1434	}
1136	# endif	1435	# endif
1137		1436
		1437	# ifdef BG_IMAGE_FROM_FILE
		1438	if (have_image
		1439	|| (background_flags & transpTransformations) != (flags & transpTransformations))
		1440	{
		1441	if (render_image (background_flags))
		1442	flags &= ~isInvalid;
		1443	}
		1444	# endif
		1445
		1446	# if defined(ENABLE_TRANSPARENCY) && !defined(HAVE_AFTERIMAGE)
1138	XImage *result = NULL;	1447	XImage *result = NULL;
1139	# ifdef HAVE_AFTERIMAGE	1448
1140	if (original_asim	1449	if (background_flags && (flags & isInvalid))
1141	|| (background_flags & transpTransformations) != (flags & transpTransformations))	1450	{
		1451	result = XGetImage (target->dpy, pixmap, 0, 0, pmap_width, pmap_height, AllPlanes, ZPixmap);
1142	{	1452	}
1143	ASImage *background = NULL;
1144	ARGB32 as_tint = TINT_LEAVE_SAME;
1145	if (background_flags)
1146	background = pixmap2ximage (target->asv, pixmap, 0, 0, pmap_width, pmap_height, AllPlanes, 100);
1147		1453
1148	# ifdef ENABLE_TRANSPARENCY	1454	if (result)
		1455	{
		1456	/* our own client-side tinting */
1149	if (!(background_flags & transpPmapTinted) && (flags & tintNeeded))	1457	if (!(background_flags & transpPmapTinted) && (flags & tintNeeded))
1150	{	1458	{
1151	ShadingInfo as_shade;
1152	as_shade.shading = (shade == 0) ? 100 : shade;
1153
1154	rgba c (rgba::MAX_CC,rgba::MAX_CC,rgba::MAX_CC);	1459	rgba c (rgba::MAX_CC,rgba::MAX_CC,rgba::MAX_CC);
1155	if (flags & tintSet)	1460	if (flags & tintSet)
1156	tint.get (c);	1461	tint.get (c);
1157	as_shade.tintColor.red = c.r;	1462	shade_ximage (DefaultVisual (target->dpy, target->display->screen), result, shade, c);
1158	as_shade.tintColor.green = c.g;
1159	as_shade.tintColor.blue = c.b;
1160
1161	as_tint = shading2tint32 (&as_shade);
1162	}
1163	if (!(background_flags & transpPmapBlured) && (flags & blurNeeded) && background != NULL)
1164	{	1463	}
1165	ASImage* tmp = blur_asimage_gauss (target->asv, background, h_blurRadius, v_blurRadius, 0xFFFFFFFF,
1166	(original_asim == NULL || tint == TINT_LEAVE_SAME)?ASA_XImage:ASA_ASImage,
1167	100, ASIMAGE_QUALITY_DEFAULT);
1168	if (tmp)
1169	{
1170	destroy_asimage (&background);
1171	background = tmp;
1172	}
1173	}
1174	# endif
1175		1464
1176	if (render_asim (background, as_tint))
1177	flags = flags & ~isInvalid;
1178	if (background)
1179	destroy_asimage (&background);
1180	}
1181	else if (background_flags && pmap_depth != target->depth)
1182	{
1183	result = XGetImage (target->dpy, pixmap, 0, 0, pmap_width, pmap_height, AllPlanes, ZPixmap);
1184	}
1185
1186	# elif !XFT /* our own client-side tinting */
1187
1188	/* ATTENTION: We ASSUME that XFT will let us do all the tinting neccessary server-side.
1189	This may need to be changed in need_client_side_rendering() logic is altered !!! */
1190
1191	if (background_flags && (flags & isInvalid))
1192	{
1193	result = XGetImage (target->dpy, pixmap, 0, 0, pmap_width, pmap_height, AllPlanes, ZPixmap);
1194	if (result != NULL && !(background_flags & transpPmapTinted) && (flags & tintNeeded))
1195	{
1196	rgba c (rgba::MAX_CC,rgba::MAX_CC,rgba::MAX_CC);
1197	if (flags & tintSet)
1198	tint.get (c);
1199	ShadeXImage (target, result, shade, c.r, c.g, c.b);
1200	}
1201	}
1202	# endif /* HAVE_AFTERIMAGE */
1203
1204	if (result)
1205	{
1206	GC gc = XCreateGC (target->dpy, target->vt, 0UL, NULL);	1465	GC gc = XCreateGC (target->dpy, target->vt, 0UL, NULL);
1207		1466
1208	if (gc)	1467	if (gc)
1209	{	1468	{
1210	if (/*pmap_depth != target->depth &&*/ pixmap != None)
1211	{
1212	XFreePixmap (target->dpy, pixmap);
1213	pixmap = None;
1214	}
1215
1216	if (pixmap == None)
1217	{
1218	pixmap = XCreatePixmap (target->dpy, target->vt, result->width, result->height, target->depth);
1219	pmap_width = result->width;
1220	pmap_height = result->height;
1221	pmap_depth = target->depth;
1222	}
1223
1224	if (pmap_depth != result->depth)
1225	{
1226	/* Bad Match error will ensue ! stupid X !!!! */
1227	if (result->depth == 24 && pmap_depth == 32)
1228	result->depth = 32;
1229	else if (result->depth == 32 && pmap_depth == 24)
1230	result->depth = 24;
1231	else
1232	{
1233	/* TODO: implement image recoding */
1234	}
1235	}
1236
1237	if (pmap_depth == result->depth)
1238	XPutImage (target->dpy, pixmap, gc, result, 0, 0, 0, 0, result->width, result->height);	1469	XPutImage (target->dpy, pixmap, gc, result, 0, 0, 0, 0, result->width, result->height);
1239		1470
1240	XFreeGC (target->dpy, gc);	1471	XFreeGC (target->dpy, gc);
1241	flags = flags & ~isInvalid;	1472	flags &= ~isInvalid;
1242	}	1473	}
1243		1474
1244	XDestroyImage (result);	1475	XDestroyImage (result);
1245	}	1476	}
		1477	# endif
1246		1478
1247	if (flags & isInvalid)	1479	if (flags & isInvalid)
1248	{	1480	{
1249	if (pixmap != None)	1481	if (pixmap != None)
1250	{	1482	{
…		…
1253	}	1485	}
1254	}	1486	}
1255		1487
1256	apply ();	1488	apply ();
1257		1489
1258	XSync (target->dpy, False);
1259	valid_since = ev::now ();	1490	valid_since = ev::now ();
1260		1491
1261	TIMING_TEST_PRINT_RESULT (tp);
1262
1263	return true;	1492	return true;
1264	}	1493	}
1265		1494
1266	bool	1495	void
1267	bgPixmap_t::set_target (rxvt_term *new_target)	1496	bgPixmap_t::set_target (rxvt_term *new_target)
1268	{	1497	{
1269	if (new_target)
1270	if (target != new_target)
1271	{
1272	target = new_target;	1498	target = new_target;
1273	# ifdef ENABLE_TRANSPARENCY	1499
1274	root_depth = DefaultDepthOfScreen (ScreenOfDisplay (target->dpy, target->display->screen));	1500	flags &= ~(HAS_RENDER | HAS_RENDER_CONV);
		1501	#if XRENDER
		1502	int major, minor;
		1503	if (XRenderQueryVersion (target->dpy, &major, &minor))
		1504	flags |= HAS_RENDER;
		1505	XFilters *filters = XRenderQueryFilters (target->dpy, target->vt);
		1506	if (filters)
		1507	{
		1508	for (int i = 0; i < filters->nfilter; i++)
		1509	if (!strcmp (filters->filter[i], FilterConvolution))
		1510	flags |= HAS_RENDER_CONV;
		1511
		1512	XFree (filters);
		1513	}
1275	# endif	1514	#endif
1276	return true;
1277	}
1278	return false;
1279	}	1515	}
1280		1516
1281	void	1517	void
1282	bgPixmap_t::apply ()	1518	bgPixmap_t::apply ()
1283	{	1519	{
1284	if (target)	1520	if (target == NULL)
1285	{	1521	return;
1286	flags &= ~isVtOrigin;
1287		1522
1288	if (pixmap != None)	1523	if (pixmap != None)
1289	{	1524	{
1290	/* set target's background to pixmap */	1525	/* set target's background to pixmap */
1291	# ifdef ENABLE_TRANSPARENCY	1526	# ifdef ENABLE_TRANSPARENCY
1292	if (flags & isTransparent)	1527	if (flags & isTransparent)
1293	{	1528	{
1294	XSetWindowBackgroundPixmap (target->dpy, target->parent[0], pixmap);	1529	XSetWindowBackgroundPixmap (target->dpy, target->parent[0], pixmap);
1295	XSetWindowBackgroundPixmap (target->dpy, target->vt, ParentRelative);	1530	XSetWindowBackgroundPixmap (target->dpy, target->vt, ParentRelative);
1296		1531
1297	if (target->scrollBar.win)	1532	if (target->scrollBar.win)
1298	XSetWindowBackgroundPixmap (target->dpy, target->scrollBar.win, ParentRelative);	1533	XSetWindowBackgroundPixmap (target->dpy, target->scrollBar.win, ParentRelative);
1299	}	1534	}
1300	else	1535	else
1301	# endif	1536	# endif
1302	{	1537	{
1303	flags |= isVtOrigin;
1304	/* force old pixmap dereference in case it was transparent before :*/	1538	/* force old pixmap dereference in case it was transparent before :*/
1305	XSetWindowBackground (target->dpy, target->parent[0], target->pix_colors[Color_border]);
1306	XSetWindowBackgroundPixmap (target->dpy, target->vt, pixmap);
1307	/* do we also need to set scrollbar's background here ? */
1308
1309	if (target->scrollBar.win)
1310	XSetWindowBackground (target->dpy, target->scrollBar.win, target->pix_colors[Color_border]);
1311	}
1312	}
1313	else
1314	{
1315	/* set target background to a pixel */
1316	XSetWindowBackground (target->dpy, target->parent[0], target->pix_colors[Color_border]);	1539	XSetWindowBackground (target->dpy, target->parent[0], target->pix_colors[Color_border]);
1317	XSetWindowBackground (target->dpy, target->vt, target->pix_colors[Color_bg]);	1540	XSetWindowBackgroundPixmap (target->dpy, target->vt, pixmap);
1318	/* do we also need to set scrollbar's background here ? */	1541	/* do we also need to set scrollbar's background here ? */
		1542
1319	if (target->scrollBar.win)	1543	if (target->scrollBar.win)
1320	XSetWindowBackground (target->dpy, target->scrollBar.win, target->pix_colors[Color_border]);	1544	XSetWindowBackground (target->dpy, target->scrollBar.win, target->pix_colors[Color_border]);
1321	}	1545	}
1322		1546	}
1323	/* don't want Expose on the parent or vt. It is better to use	1547	else
1324	scr_touch or we get a great deal of flicker otherwise: */	1548	{
1325	XClearWindow (target->dpy, target->parent[0]);	1549	/* set target background to a pixel */
1326		1550	XSetWindowBackground (target->dpy, target->parent[0], target->pix_colors[Color_border]);
		1551	XSetWindowBackground (target->dpy, target->vt, target->pix_colors[Color_bg]);
		1552	/* do we also need to set scrollbar's background here ? */
1327	if (target->scrollBar.win)	1553	if (target->scrollBar.win)
1328	{	1554	XSetWindowBackground (target->dpy, target->scrollBar.win, target->pix_colors[Color_border]);
		1555	}
		1556
		1557	/* don't want Expose on the parent or vt. It is better to use
		1558	scr_touch or we get a great deal of flicker otherwise: */
		1559	XClearWindow (target->dpy, target->parent[0]);
		1560
		1561	if (target->scrollBar.state && target->scrollBar.win)
		1562	{
1329	target->scrollBar.state = STATE_IDLE;	1563	target->scrollBar.state = STATE_IDLE;
1330	target->scrollBar.show (0);	1564	target->scrollBar.show (0);
1331	}	1565	}
1332		1566
1333	target->want_refresh = 1;	1567	target->want_refresh = 1;
1334	flags |= hasChanged;	1568	flags |= hasChanged;
1335	}
1336	}	1569	}
1337		1570
1338	#endif /* HAVE_BG_PIXMAP */	1571	#endif /* HAVE_BG_PIXMAP */
1339		1572
1340	#if defined(ENABLE_TRANSPARENCY) && !defined(HAVE_AFTERIMAGE) && !XFT	1573	#if defined(ENABLE_TRANSPARENCY) && !defined(HAVE_AFTERIMAGE)
1341	/* taken from aterm-0.4.2 */	1574	/* taken from aterm-0.4.2 */
1342		1575
1343	typedef uint32_t RUINT32T;
1344
1345	static void	1576	static void
1346	ShadeXImage(rxvt_term *term, XImage* srcImage, int shade, int rm, int gm, int bm)	1577	shade_ximage (Visual *visual, XImage *ximage, int shade, const rgba &c)
1347	{	1578	{
1348	int sh_r, sh_g, sh_b;	1579	int sh_r, sh_g, sh_b;
1349	RUINT32T mask_r, mask_g, mask_b;	1580	uint32_t mask_r, mask_g, mask_b;
1350	RUINT32T *lookup, *lookup_r, *lookup_g, *lookup_b;	1581	uint32_t *lookup, *lookup_r, *lookup_g, *lookup_b;
1351	unsigned int lower_lim_r, lower_lim_g, lower_lim_b;	1582	rgba low;
1352	unsigned int upper_lim_r, upper_lim_g, upper_lim_b;	1583	rgba high;
1353	int i;	1584	int i;
		1585	int host_byte_order = byteorder::big_endian () ? MSBFirst : LSBFirst;
1354		1586
1355	Visual *visual = term->visual;
1356
1357	if (visual->c_class != TrueColor || srcImage->format != ZPixmap) return ;	1587	if (visual->c_class != TrueColor || ximage->format != ZPixmap) return;
1358
1359	if (shade == 0)
1360	shade = 100;
1361		1588
1362	/* for convenience */	1589	/* for convenience */
1363	mask_r = visual->red_mask;	1590	mask_r = visual->red_mask;
1364	mask_g = visual->green_mask;	1591	mask_g = visual->green_mask;
1365	mask_b = visual->blue_mask;	1592	mask_b = visual->blue_mask;
1366		1593
1367	/* boring lookup table pre-initialization */	1594	/* boring lookup table pre-initialization */
1368	switch (srcImage->bits_per_pixel) {	1595	switch (ximage->depth)
		1596	{
1369	case 15:	1597	case 15:
1370	if ((mask_r != 0x7c00) ||	1598	if ((mask_r != 0x7c00) ||
1371	(mask_g != 0x03e0) ||	1599	(mask_g != 0x03e0) ||
1372	(mask_b != 0x001f))	1600	(mask_b != 0x001f))
1373	return;	1601	return;
1374	lookup = (RUINT32T *) malloc (sizeof (RUINT32T)*(32+32+32));	1602	lookup = (uint32_t *) malloc (sizeof (uint32_t)*(32+32+32));
1375	lookup_r = lookup;	1603	lookup_r = lookup;
1376	lookup_g = lookup+32;	1604	lookup_g = lookup+32;
1377	lookup_b = lookup+32+32;	1605	lookup_b = lookup+32+32;
1378	sh_r = 10;	1606	sh_r = 10;
1379	sh_g = 5;	1607	sh_g = 5;
1380	sh_b = 0;	1608	sh_b = 0;
1381	break;	1609	break;
1382	case 16:	1610	case 16:
1383	if ((mask_r != 0xf800) ||	1611	if ((mask_r != 0xf800) ||
1384	(mask_g != 0x07e0) ||	1612	(mask_g != 0x07e0) ||
1385	(mask_b != 0x001f))	1613	(mask_b != 0x001f))
1386	return;	1614	return;
1387	lookup = (RUINT32T *) malloc (sizeof (RUINT32T)*(32+64+32));	1615	lookup = (uint32_t *) malloc (sizeof (uint32_t)*(32+64+32));
1388	lookup_r = lookup;	1616	lookup_r = lookup;
1389	lookup_g = lookup+32;	1617	lookup_g = lookup+32;
1390	lookup_b = lookup+32+64;	1618	lookup_b = lookup+32+64;
1391	sh_r = 11;	1619	sh_r = 11;
1392	sh_g = 5;	1620	sh_g = 5;
1393	sh_b = 0;	1621	sh_b = 0;
1394	break;	1622	break;
1395	case 24:	1623	case 24:
1396	if ((mask_r != 0xff0000) ||	1624	if ((mask_r != 0xff0000) ||
1397	(mask_g != 0x00ff00) ||	1625	(mask_g != 0x00ff00) ||
1398	(mask_b != 0x0000ff))	1626	(mask_b != 0x0000ff))
1399	return;	1627	return;
1400	lookup = (RUINT32T *) malloc (sizeof (RUINT32T)*(256+256+256));	1628	lookup = (uint32_t *) malloc (sizeof (uint32_t)*(256+256+256));
1401	lookup_r = lookup;	1629	lookup_r = lookup;
1402	lookup_g = lookup+256;	1630	lookup_g = lookup+256;
1403	lookup_b = lookup+256+256;	1631	lookup_b = lookup+256+256;
1404	sh_r = 16;	1632	sh_r = 16;
1405	sh_g = 8;	1633	sh_g = 8;
1406	sh_b = 0;	1634	sh_b = 0;
1407	break;	1635	break;
1408	case 32:	1636	case 32:
1409	if ((mask_r != 0xff0000) ||	1637	if ((mask_r != 0xff0000) ||
1410	(mask_g != 0x00ff00) ||	1638	(mask_g != 0x00ff00) ||
1411	(mask_b != 0x0000ff))	1639	(mask_b != 0x0000ff))
1412	return;	1640	return;
1413	lookup = (RUINT32T *) malloc (sizeof (RUINT32T)*(256+256+256));	1641	lookup = (uint32_t *) malloc (sizeof (uint32_t)*(256+256+256));
1414	lookup_r = lookup;	1642	lookup_r = lookup;
1415	lookup_g = lookup+256;	1643	lookup_g = lookup+256;
1416	lookup_b = lookup+256+256;	1644	lookup_b = lookup+256+256;
1417	sh_r = 16;	1645	sh_r = 16;
1418	sh_g = 8;	1646	sh_g = 8;
1419	sh_b = 0;	1647	sh_b = 0;
1420	break;	1648	break;
1421	default:	1649	default:
1422	return; /* we do not support this color depth */	1650	return; /* we do not support this color depth */
1423	}	1651	}
1424		1652
1425	/* prepare limits for color transformation (each channel is handled separately) */	1653	/* prepare limits for color transformation (each channel is handled separately) */
1426	if (shade < 0) {	1654	if (shade > 100)
		1655	{
1427	shade = -shade;	1656	shade = 200 - shade;
1428	if (shade < 0) shade = 0;
1429	if (shade > 100) shade = 100;
1430		1657
1431	lower_lim_r = 65535-rm;	1658	high.r = c.r * shade / 100;
1432	lower_lim_g = 65535-gm;	1659	high.g = c.g * shade / 100;
1433	lower_lim_b = 65535-bm;	1660	high.b = c.b * shade / 100;
1434		1661
1435	lower_lim_r = 65535-(unsigned int)(((RUINT32T)lower_lim_r)*((RUINT32T)shade)/100);	1662	low.r = 65535 * (100 - shade) / 100;
1436	lower_lim_g = 65535-(unsigned int)(((RUINT32T)lower_lim_g)*((RUINT32T)shade)/100);	1663	low.g = 65535 * (100 - shade) / 100;
1437	lower_lim_b = 65535-(unsigned int)(((RUINT32T)lower_lim_b)*((RUINT32T)shade)/100);	1664	low.b = 65535 * (100 - shade) / 100;
1438
1439	upper_lim_r = upper_lim_g = upper_lim_b = 65535;
1440	} else {
1441	if (shade < 0) shade = 0;
1442	if (shade > 100) shade = 100;
1443
1444	lower_lim_r = lower_lim_g = lower_lim_b = 0;
1445
1446	upper_lim_r = (unsigned int)((((RUINT32T)rm)*((RUINT32T)shade))/100);
1447	upper_lim_g = (unsigned int)((((RUINT32T)gm)*((RUINT32T)shade))/100);
1448	upper_lim_b = (unsigned int)((((RUINT32T)bm)*((RUINT32T)shade))/100);
1449	}	1665	}
1450		1666	else
1451	/* switch red and blue bytes if necessary, we need it for some weird XServers like XFree86 3.3.3.1 */
1452	if ((srcImage->bits_per_pixel == 24) && (mask_r >= 0xFF0000 ))
1453	{	1667	{
1454	unsigned int tmp;	1668	high.r = c.r * shade / 100;
		1669	high.g = c.g * shade / 100;
		1670	high.b = c.b * shade / 100;
1455		1671
1456	tmp = lower_lim_r;	1672	low.r = low.g = low.b = 0;
1457	lower_lim_r = lower_lim_b;
1458	lower_lim_b = tmp;
1459
1460	tmp = upper_lim_r;
1461	upper_lim_r = upper_lim_b;
1462	upper_lim_b = tmp;
1463	}	1673	}
1464		1674
1465	/* fill our lookup tables */	1675	/* fill our lookup tables */
1466	for (i = 0; i <= mask_r>>sh_r; i++)	1676	for (i = 0; i <= mask_r>>sh_r; i++)
1467	{	1677	{
1468	RUINT32T tmp;	1678	uint32_t tmp;
1469	tmp = ((RUINT32T)i)*((RUINT32T)(upper_lim_r-lower_lim_r));	1679	tmp = i * high.r;
1470	tmp += ((RUINT32T)(mask_r>>sh_r))*((RUINT32T)lower_lim_r);	1680	tmp += (mask_r>>sh_r) * low.r;
1471	lookup_r[i] = (tmp/65535)<<sh_r;	1681	lookup_r[i] = (tmp/65535)<<sh_r;
1472	}	1682	}
1473	for (i = 0; i <= mask_g>>sh_g; i++)	1683	for (i = 0; i <= mask_g>>sh_g; i++)
1474	{	1684	{
1475	RUINT32T tmp;	1685	uint32_t tmp;
1476	tmp = ((RUINT32T)i)*((RUINT32T)(upper_lim_g-lower_lim_g));	1686	tmp = i * high.g;
1477	tmp += ((RUINT32T)(mask_g>>sh_g))*((RUINT32T)lower_lim_g);	1687	tmp += (mask_g>>sh_g) * low.g;
1478	lookup_g[i] = (tmp/65535)<<sh_g;	1688	lookup_g[i] = (tmp/65535)<<sh_g;
1479	}	1689	}
1480	for (i = 0; i <= mask_b>>sh_b; i++)	1690	for (i = 0; i <= mask_b>>sh_b; i++)
1481	{	1691	{
1482	RUINT32T tmp;	1692	uint32_t tmp;
1483	tmp = ((RUINT32T)i)*((RUINT32T)(upper_lim_b-lower_lim_b));	1693	tmp = i * high.b;
1484	tmp += ((RUINT32T)(mask_b>>sh_b))*((RUINT32T)lower_lim_b);	1694	tmp += (mask_b>>sh_b) * low.b;
1485	lookup_b[i] = (tmp/65535)<<sh_b;	1695	lookup_b[i] = (tmp/65535)<<sh_b;
1486	}	1696	}
1487		1697
1488	/* apply table to input image (replacing colors by newly calculated ones) */	1698	/* apply table to input image (replacing colors by newly calculated ones) */
1489	switch (srcImage->bits_per_pixel)	1699	if (ximage->bits_per_pixel == 32
		1700	&& (ximage->depth == 24 || ximage->depth == 32)
		1701	&& ximage->byte_order == host_byte_order)
1490	{	1702	{
1491	case 15:
1492	{
1493	unsigned short *p1, *pf, *p, *pl;	1703	uint32_t *p1, *pf, *p, *pl;
1494	p1 = (unsigned short *) srcImage->data;	1704	p1 = (uint32_t *) ximage->data;
1495	pf = (unsigned short *) (srcImage->data + srcImage->height * srcImage->bytes_per_line);	1705	pf = (uint32_t *) (ximage->data + ximage->height * ximage->bytes_per_line);
		1706
1496	while (p1 < pf)	1707	while (p1 < pf)
1497	{	1708	{
1498	p = p1;	1709	p = p1;
1499	pl = p1 + srcImage->width;	1710	pl = p1 + ximage->width;
1500	for (; p < pl; p++)	1711	for (; p < pl; p++)
1501	{	1712	{
1502	*p = lookup_r[(*p & 0x7c00)>>10] |
1503	lookup_g[(*p & 0x03e0)>> 5] |
1504	lookup_b[(*p & 0x001f)];
1505	}
1506	p1 = (unsigned short *) ((char *) p1 + srcImage->bytes_per_line);
1507	}
1508	break;
1509	}
1510	case 16:
1511	{
1512	unsigned short *p1, *pf, *p, *pl;
1513	p1 = (unsigned short *) srcImage->data;
1514	pf = (unsigned short *) (srcImage->data + srcImage->height * srcImage->bytes_per_line);
1515	while (p1 < pf)
1516	{
1517	p = p1;
1518	pl = p1 + srcImage->width;
1519	for (; p < pl; p++)
1520	{
1521	*p = lookup_r[(*p & 0xf800)>>11] |
1522	lookup_g[(*p & 0x07e0)>> 5] |
1523	lookup_b[(*p & 0x001f)];
1524	}
1525	p1 = (unsigned short *) ((char *) p1 + srcImage->bytes_per_line);
1526	}
1527	break;
1528	}
1529	case 24:
1530	{
1531	unsigned char *p1, *pf, *p, *pl;
1532	p1 = (unsigned char *) srcImage->data;
1533	pf = (unsigned char *) (srcImage->data + srcImage->height * srcImage->bytes_per_line);
1534	while (p1 < pf)
1535	{
1536	p = p1;
1537	pl = p1 + srcImage->width * 3;
1538	for (; p < pl; p += 3)
1539	{
1540	p[0] = lookup_r[(p[0] & 0xff0000)>>16];
1541	p[1] = lookup_r[(p[1] & 0x00ff00)>> 8];
1542	p[2] = lookup_r[(p[2] & 0x0000ff)];
1543	}
1544	p1 = (unsigned char *) ((char *) p1 + srcImage->bytes_per_line);
1545	}
1546	break;
1547	}
1548	case 32:
1549	{
1550	RUINT32T *p1, *pf, *p, *pl;
1551	p1 = (RUINT32T *) srcImage->data;
1552	pf = (RUINT32T *) (srcImage->data + srcImage->height * srcImage->bytes_per_line);
1553
1554	while (p1 < pf)
1555	{
1556	p = p1;
1557	pl = p1 + srcImage->width;
1558	for (; p < pl; p++)
1559	{
1560	*p = lookup_r[(*p & 0xff0000)>>16] |	1713	*p = lookup_r[(*p & 0xff0000) >> 16] |
1561	lookup_g[(*p & 0x00ff00)>> 8] |	1714	lookup_g[(*p & 0x00ff00) >> 8] |
1562	lookup_b[(*p & 0x0000ff)] |	1715	lookup_b[(*p & 0x0000ff)] |
1563	(*p & ~0xffffff);	1716	(*p & 0xff000000);
		1717	}
		1718	p1 = (uint32_t *) ((char *) p1 + ximage->bytes_per_line);
		1719	}
		1720	}
		1721	else
		1722	{
		1723	for (int y = 0; y < ximage->height; y++)
		1724	for (int x = 0; x < ximage->width; x++)
		1725	{
		1726	unsigned long pixel = XGetPixel (ximage, x, y);
		1727	pixel = lookup_r[(pixel & mask_r) >> sh_r] |
		1728	lookup_g[(pixel & mask_g) >> sh_g] |
		1729	lookup_b[(pixel & mask_b) >> sh_b];
		1730	XPutPixel (ximage, x, y, pixel);
1564	}	1731	}
1565	p1 = (RUINT32T *) ((char *) p1 + srcImage->bytes_per_line);
1566	}	1732	}
1567	break;
1568	}
1569	}
1570		1733
1571	free (lookup);	1734	free (lookup);
1572	}	1735	}
1573	#endif /* defined(ENABLE_TRANSPARENCY) && !defined(HAVE_AFTERIMAGE) */	1736	#endif /* defined(ENABLE_TRANSPARENCY) && !defined(HAVE_AFTERIMAGE) */

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