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Comparing rxvt-unicode/src/background.C (file contents):
Revision 1.6 by sasha, Thu Sep 20 22:15:02 2007 UTC vs.
Revision 1.130 by sf-exg, Sun Jan 9 23:48:37 2011 UTC

1	/*----------------------------------------------------------------------*	1	/*----------------------------------------------------------------------*
2	* File: background.C - former xpm.C	2	* File: background.C - former xpm.C
3	*----------------------------------------------------------------------*	3	*----------------------------------------------------------------------*
4	*	4	*
5	* All portions of code are copyright by their respective author/s.	5	* All portions of code are copyright by their respective author/s.
6	* Copyright (c) 1997 Carsten Haitzler <raster@zip.com.au>
7	* Copyright (c) 1997,1998 Oezguer Kesim <kesim@math.fu-berlin.de>
8	* Copyright (c) 1998-2001 Geoff Wing <gcw@pobox.com>
9	* Copyright (c) 2005-2006 Marc Lehmann <pcg@goof.com>	6	* Copyright (c) 2005-2008 Marc Lehmann <pcg@goof.com>
10	* 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>
11	*	9	*
12	* 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
13	* 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
14	* the Free Software Foundation; either version 2 of the License, or	12	* the Free Software Foundation; either version 2 of the License, or
15	* (at your option) any later version.	13	* (at your option) any later version.
…		…
22	* 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
23	* along with this program; if not, write to the Free Software	21	* along with this program; if not, write to the Free Software
24	* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.	22	* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
25	*---------------------------------------------------------------------*/	23	*---------------------------------------------------------------------*/
26		24
		25	#include <cmath>
27	#include "../config.h" /* NECESSARY */	26	#include "../config.h" /* NECESSARY */
28	#include "rxvt.h" /* NECESSARY */	27	#include "rxvt.h" /* NECESSARY */
29		28
		29	#if XRENDER
		30	# include <X11/extensions/Xrender.h>
		31	#endif
		32
		33	#ifndef FilterConvolution
		34	#define FilterConvolution "convolution"
		35	#endif
		36
30	#define DO_TIMING_TEST 0	37	#define DO_TIMING_TEST 0
31		38
32	#if DO_TIMING_TEST	39	#if DO_TIMING_TEST
		40	# include <sys/time.h>
33	#define TIMING_TEST_START(id) \	41	#define TIMING_TEST_START(id) \
34	struct timeval timing_test_##id##_stv;\	42	struct timeval timing_test_##id##_stv; \
35	gettimeofday (&timing_test_##id##_stv, NULL);	43	gettimeofday (&timing_test_##id##_stv, NULL);
36		44
37	#define TIMING_TEST_PRINT_RESULT(id) \	45	#define TIMING_TEST_PRINT_RESULT(id) \
38	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; \
39	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__, \
40	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)
41		53
42	#else	54	#else
43	#define TIMING_TEST_START(id) do{}while (0)	55	#define TIMING_TEST_START(id) do {} while (0)
44	#define TIMING_TEST_PRINT_RESULT(id) do{}while (0)	56	#define TIMING_TEST_PRINT_RESULT(id) do {} while (0)
45	#endif	57	#endif
46		58
47	/*	59	/*
48	* Pixmap geometry string interpretation :	60	* Pixmap geometry string interpretation :
49	* Each geometry string contains zero or one scale/position	61	* Each geometry string contains zero or one scale/position
50	* 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
51	* colon-delimited pixmap operations.	63	* colon-delimited pixmap operations.
52	* The following table shows the valid geometry strings and their	64	* The following table shows the valid geometry strings and their
53	* affects on the background image :	65	* effects on the background image :
54	*	66	*
55	* 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%.
56	* W and H are percentages of the terminal window size.	68	* W and H are percentages of the terminal window size.
57	* X and Y are also percentages; e.g., +50+50 centers	69	* X and Y are also percentages; e.g., +50+50 centers
58	* the image in the window.	70	* the image in the window.
59	* WxH+X Assumes Y == X
60	* WxH Assumes Y == X == 50 (centers the image)
61	* W+X+Y Assumes H == W
62	* W+X Assumes H == W and Y == X
63	* W Assumes H == W and Y == X == 50
64	*
65	* Adjusting position only :
66	* =+X+Y Set position to X% by Y% (absolute).
67	* =+X Set position to X% by X%.
68	* +X+Y Adjust position horizontally X% and vertically Y%
69	* from current position (relative).
70	* +X Adjust position horizontally X% and vertically X%
71	* from current position.
72	*
73	* Adjusting scale only :
74	* Wx0 Multiply horizontal scaling factor by W%
75	* 0xH Multiply vertical scaling factor by H%
76	* 0x0 No scaling (show image at normal size).
77	*	71	*
78	* Pixmap Operations : (should be prepended by a colon)	72	* Pixmap Operations : (should be prepended by a colon)
79	* tile Tile image. Scaling/position modifiers above will affect	73	* tile Tile image. Scaling/position modifiers above will affect
80	* the tile size and origin.	74	* the tile size and origin.
81	* propscale When scaling, scale proportionally. That is, maintain the	75	* propscale When scaling, scale proportionally. That is, maintain the
82	* proper aspect ratio for the image. Any portion of the	76	* proper aspect ratio for the image. Any portion of the
83	* background not covered by the image is filled with the	77	* background not covered by the image is filled with the
84	* current background color.	78	* current background color.
85	* hscale Scale horizontally, tile vertically ?	79	* hscale Scale horizontally, tile vertically ?
86	* vscale Tile horizontally, scale vertically ?	80	* vscale Tile horizontally, scale vertically ?
87	* scale Scale both up and down	81	* scale Scale both up and down
88	* auto Same as 100x100+50+50	82	* auto Same as 100x100+50+50
89	*/	83	*/
90		84
91	#ifdef HAVE_BG_PIXMAP	85	#ifdef HAVE_BG_PIXMAP
92	bgPixmap_t::bgPixmap_t()	86	bgPixmap_t::bgPixmap_t ()
93	{	87	{
		88	// this is basically redundant as bgPixmap_t is only used in
		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	100	#endif
		101	#ifdef ENABLE_TRANSPARENCY
		102	shade = 100;
		103	#endif
101	flags = 0;	104	flags = 0;
102	pixmap = None;	105	pixmap = None;
		106	valid_since = invalid_since = 0;
		107	target = 0;
		108	target_x = target_y = 0;
103	}	109	}
104		110
		111	void
		112	bgPixmap_t::destroy ()
		113	{
		114	#ifdef HAVE_AFTERIMAGE
		115	if (original_asim)
		116	safe_asimage_destroy (original_asim);
		117	#endif
		118
		119	#ifdef HAVE_PIXBUF
		120	if (pixbuf)
		121	g_object_unref (pixbuf);
		122	#endif
		123
		124	if (pixmap && target)
		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;
		140	}
105		141
106	bool	142	bool
107	bgPixmap_t::window_size_sensitive ()	143	bgPixmap_t::window_size_sensitive ()
108	{	144	{
109	# ifdef BG_IMAGE_FROM_FILE
110	# ifdef HAVE_AFTERIMAGE
111	if (original_asim != NULL)
112	# endif
113	{
114	if (h_scale != 0 || v_scale != 0
115	|| h_align != 0 || v_align != 0)
116	return true;
117	}
118	# endif
119	# ifdef ENABLE_TRANSPARENCY	145	# ifdef ENABLE_TRANSPARENCY
120	if (flags & isTransparent)	146	if (flags & isTransparent)
121	return true;	147	return true;
122	# endif	148	# endif
		149
		150	# ifdef BG_IMAGE_FROM_FILE
		151	if (have_image)
		152	{
		153	if (flags & sizeSensitive)
		154	return true;
		155	}
		156	# endif
		157
123	return false;	158	return false;
124	}	159	}
125		160
126	bool bgPixmap_t::need_client_side_rendering ()	161	bool
		162	bgPixmap_t::window_position_sensitive ()
127	{	163	{
128	# ifdef HAVE_AFTERIMAGE	164	# ifdef ENABLE_TRANSPARENCY
129	if (original_asim != NULL)	165	if (flags & isTransparent)
130	return true;	166	return true;
131	# endif	167	# endif
132	# ifdef ENABLE_TRANSPARENCY	168
133	if (flags & isTransparent)	169	# ifdef BG_IMAGE_FROM_FILE
		170	if (have_image)
134	{	171	{
135	if (((flags & blurNeeded) && !(flags & blurServerSide))	172	if (flags & rootAlign)
136	|| ((flags & tintNeeded) && !(flags & tintServerSide)))
137	return true;	173	return true;
138	}	174	}
		175	# endif
		176
		177	return false;
		178	}
		179
		180	bool bgPixmap_t::need_client_side_rendering ()
		181	{
		182	# ifdef HAVE_AFTERIMAGE
		183	if (original_asim)
		184	return true;
139	# endif	185	# endif
140	return false;	186	return false;
141	}	187	}
142		188
143	# ifdef BG_IMAGE_FROM_FILE	189	# ifdef BG_IMAGE_FROM_FILE
…		…
177		223
178	static inline int	224	static inline int
179	make_align_position (int align, int window_size, int image_size)	225	make_align_position (int align, int window_size, int image_size)
180	{	226	{
181	int diff = window_size - image_size;	227	int diff = window_size - image_size;
182	int smaller = MIN (image_size,window_size);	228	int smaller = min (image_size, window_size);
183		229
184	if (align >= 0 && align <= 50)	230	if (align >= 0 && align <= 100)
185	return diff * align / 100;	231	return diff * align / 100;
186	else if (align > 50 && align <= 100)
187	return window_size - image_size - diff * (100 - align) / 100;
188	else if (align > 100 && align <= 200 )	232	else if (align > 100 && align <= 200)
189	return ((align - 100) * smaller / 100) + window_size - smaller;	233	return ((align - 100) * smaller / 100) + window_size - smaller;
190	else if (align > -100 && align < 0)	234	else if (align >= -100 && align < 0)
191	return ((align + 100) * smaller / 100) - image_size;	235	return ((align + 100) * smaller / 100) - image_size;
192	return 0;	236	return 0;
193	}	237	}
194		238
195	static inline int	239	static inline int
196	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)
197	{	241	{
198	int src_pos = 0;	242	int src_pos = 0;
199	dst_pos = 0;	243	dst_pos = pos;
200	dst_size = size;	244	dst_size = size;
201	if (pos < 0 && size > target_size)	245	if (pos < 0)
202	{	246	{
203	src_pos = -pos;	247	src_pos = -pos;
		248	dst_pos = 0;
204	dst_size += pos;	249	dst_size += pos;
205	}	250	}
206	else if (pos > 0)
207	dst_pos = pos;
208		251
209	if (dst_pos + dst_size > target_size)	252	if (dst_pos + dst_size > target_size)
210	dst_size = target_size - dst_pos;	253	dst_size = target_size - dst_pos;
211	return src_pos;	254	return src_pos;
212	}	255	}
213		256
214	bool	257	bool
215	bgPixmap_t::set_geometry (const char *geom)	258	bgPixmap_t::set_geometry (const char *geom, bool update)
216	{	259	{
		260	bool changed = false;
217	int geom_flags = 0, changed = 0;	261	int geom_flags = 0;
218	int x = 0, y = 0;	262	int x = 0, y = 0;
219	unsigned int w = 0, h = 0;	263	unsigned int w = 0, h = 0;
220	unsigned int n;	264	unsigned int n;
221	unsigned long new_flags = (flags & (~geometryFlags));	265	unsigned long new_flags = (flags & (~geometryFlags));
222	char *p;	266	const char *ops;
223	# define MAXLEN_GEOM 256 /* could be longer then regular geometry string */	267	# define MAXLEN_GEOM 256 /* could be longer than regular geometry string */
224		268
225	if (geom == NULL)	269	if (geom == NULL)
226	return false;	270	return false;
227		271
228	char str[MAXLEN_GEOM];	272	char str[MAXLEN_GEOM];
229		273
230	while (isspace(*geom)) ++geom;
231	if ((p = strchr (geom, ';')) == NULL)
232	p = strchr (geom, '\0');	274	ops = strchr (geom, ':');
233		275	if (ops == NULL)
		276	n = strlen (geom);
		277	else
234	n = (p - geom);	278	n = ops - geom;
		279
235	if (n < MAXLEN_GEOM)	280	if (n >= MAXLEN_GEOM)
236	{	281	return false;
237	char *ops;
238	new_flags |= geometrySet;
239		282
240	strncpy (str, geom, n);	283	memcpy (str, geom, n);
241	str[n] = '\0';	284	str[n] = '\0';
242	if (str[0] == ':')	285	rxvt_strtrim (str);
243	ops = &str[0];
244	else if (str[0] != 'x' && str[0] != 'X' && isalpha(str[0]))
245	ops = &str[0];
246	else
247	{
248	char *tmp;
249	ops = strchr (str, ':');
250	if (ops != NULL)
251	{
252	for (tmp = ops-1; tmp >= str && isspace(*tmp); --tmp);
253	*(++tmp) = '\0';
254	if (ops == tmp) ++ops;
255	}
256	}
257		286
258	if (ops > str || ops == NULL)	287	if (str[0])
259	{	288	{
260	/* 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 */
261	geom_flags = XParseGeometry (str, &x, &y, &w, &h);	290	geom_flags = XParseGeometry (str, &x, &y, &w, &h);
262
263	if ((geom_flags & XValue) && !(geom_flags & YValue))
264	{
265	y = x;
266	geom_flags |= YValue;
267	}
268
269	if (flags & geometrySet)
270	{/* new geometry is an adjustment to the old one ! */
271	if ((geom_flags & WidthValue) && (geom_flags & HeightValue))
272	{
273	if (w == 0 && h != 0)
274	{
275	w = h_scale;
276	h = (v_scale * h) / 100;
277	}
278	else if (h == 0 && w != 0)
279	{
280	w = (h_scale * w) / 100;
281	h = v_scale;
282	}
283	}
284	if (geom_flags & XValue)
285	{
286	if (str[0] != '=')
287	{
288	y += v_align;
289	x += h_align;
290	}
291	}
292	}
293	else /* setting up geometry from scratch */
294	{
295	if (!(geom_flags & XValue))
296	{/* use default geometry - centered */
297	x = y = defaultAlign;
298	}
299	else if (!(geom_flags & YValue))
300	y = x;
301
302	if ((geom_flags & (WidthValue|HeightValue)) == 0)
303	{/* use default geometry - scaled */
304	w = h = defaultScale;
305	}
306	else if (geom_flags & WidthValue)
307	{
308	if (!(geom_flags & HeightValue))
309	h = w;
310	}
311	else
312	w = h;
313	}
314	} /* done parsing geometry string */	291	} /* done parsing geometry string */
315	else if (!(flags & geometrySet))	292
316	{ /* default geometry - scaled and centered */	293	if (!update)
		294	{
		295	if (!(geom_flags & XValue))
317	x = y = defaultAlign;	296	x = y = defaultAlign;
		297	else if (!(geom_flags & YValue))
		298	y = x;
		299
		300	if (!(geom_flags & (WidthValue|HeightValue)))
318	w = h = defaultScale;	301	w = h = defaultScale;
319	}	302	else if (!(geom_flags & HeightValue))
320		303	h = w;
321	if (!(flags & geometrySet))	304	else if (!(geom_flags & WidthValue))
		305	w = h;
		306
322	geom_flags |= WidthValue|HeightValue|XValue|YValue;	307	geom_flags |= WidthValue|HeightValue|XValue|YValue;
		308	}
323		309
324	if (ops)	310	if (ops)
325	{	311	{
326	while (*ops)	312	while (*ops)
327	{	313	{
328	while (*ops == ':' || isspace(*ops)) ++ops;	314	while (*ops == ':' || isspace(*ops)) ++ops;
		315
329	# define CHECK_GEOM_OPS(op_str) (strncasecmp (ops, (op_str), sizeof(op_str)-1) == 0)	316	# define CHECK_GEOM_OPS(op_str) (strncasecmp (ops, (op_str), sizeof (op_str) - 1) == 0)
330	if (CHECK_GEOM_OPS("tile"))	317	if (CHECK_GEOM_OPS ("tile"))
331	{	318	{
332	w = h = 0;	319	w = h = noScale;
333	geom_flags |= WidthValue|HeightValue;	320	geom_flags |= WidthValue|HeightValue;
334	}	321	}
335	else if (CHECK_GEOM_OPS("propscale"))	322	else if (CHECK_GEOM_OPS ("propscale"))
336	{	323	{
337	if (w == 0 && h == 0)
338	{
339	w = 100;
340	geom_flags |= WidthValue;
341	}
342	new_flags |= propScale;	324	new_flags |= propScale;
343	}	325	}
344	else if (CHECK_GEOM_OPS("hscale"))	326	else if (CHECK_GEOM_OPS ("hscale"))
345	{	327	{
346	if (w == 0)	328	if (w == 0) w = windowScale;
347	w = 100;	329
348	h = 0;	330	h = noScale;
349	geom_flags |= WidthValue|HeightValue;	331	geom_flags |= WidthValue|HeightValue;
350	}	332	}
351	else if (CHECK_GEOM_OPS("vscale"))	333	else if (CHECK_GEOM_OPS ("vscale"))
352	{	334	{
353	if (h == 0)	335	if (h == 0) h = windowScale;
354	h = 100;	336
355	w = 0;	337	w = noScale;
356	geom_flags |= WidthValue|HeightValue;	338	geom_flags |= WidthValue|HeightValue;
357	}	339	}
358	else if (CHECK_GEOM_OPS("scale"))	340	else if (CHECK_GEOM_OPS ("scale"))
359	{	341	{
360	if (h == 0)	342	if (h == 0) h = windowScale;
361	h = 100;	343	if (w == 0) w = windowScale;
362	if (w == 0)	344
363	w = 100;
364	geom_flags |= WidthValue|HeightValue;	345	geom_flags |= WidthValue|HeightValue;
365	}	346	}
366	else if (CHECK_GEOM_OPS("auto"))	347	else if (CHECK_GEOM_OPS ("auto"))
367	{	348	{
368	w = h = 100;	349	w = h = windowScale;
369	x = y = 50;	350	x = y = centerAlign;
370	geom_flags |= WidthValue|HeightValue|XValue|YValue;	351	geom_flags |= WidthValue|HeightValue|XValue|YValue;
371	}	352	}
		353	else if (CHECK_GEOM_OPS ("root"))
		354	{
		355	new_flags |= rootAlign;
		356	w = h = noScale;
		357	geom_flags |= WidthValue|HeightValue;
		358	}
372	# undef CHECK_GEOM_OPS	359	# undef CHECK_GEOM_OPS
		360
373	while (*ops != ':' && *ops != '\0') ++ops;	361	while (*ops != ':' && *ops != '\0') ++ops;
374	} /* done parsing ops */	362	} /* done parsing ops */
375	}	363	}
376		364
377	if (check_set_scale_value (geom_flags, WidthValue, h_scale, w))	365	if (check_set_scale_value (geom_flags, WidthValue, h_scale, w)) changed = true;
378	++changed;
379	if (check_set_scale_value (geom_flags, HeightValue, v_scale, h))	366	if (check_set_scale_value (geom_flags, HeightValue, v_scale, h)) changed = true;
380	++changed;
381	if (check_set_align_value (geom_flags, XValue, h_align, x))	367	if (check_set_align_value (geom_flags, XValue, h_align, x)) changed = true;
382	++changed;
383	if (check_set_align_value (geom_flags, YValue, v_align, y))	368	if (check_set_align_value (geom_flags, YValue, v_align, y)) changed = true;
384	++changed;
385	}
386		369
387	if (new_flags != flags)	370	if (new_flags != flags)
388	{	371	{
389	flags = new_flags;	372	flags = new_flags;
390	changed++;	373	changed = true;
391	}	374	}
392	//fprintf( stderr, "flags = %lX, scale = %ux%u, align=%+d%+d\n",	375
393	// flags, h_scale, v_scale, h_align, v_align);
394	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;
395	}	417	}
396		418
397	# ifdef HAVE_AFTERIMAGE	419	# ifdef HAVE_AFTERIMAGE
398	bool	420	bool
399	bgPixmap_t::render_asim (ASImage *background, ARGB32 background_tint)	421	bgPixmap_t::render_image (unsigned long background_flags)
400	{	422	{
401	if (target == NULL)	423	if (target == NULL)
402	return false;	424	return false;
403		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
404	int target_width = (int)target->szHint.width;	465	int target_width = target->szHint.width;
405	int target_height = (int)target->szHint.height;	466	int target_height = target->szHint.height;
406	int new_pmap_width = target_width, new_pmap_height = target_height;	467	int new_pmap_width = target_width;
407	ASImage *result = NULL;	468	int new_pmap_height = target_height;
408		469
409	int x = 0;	470	int x = 0;
410	int y = 0;	471	int y = 0;
411	int w = h_scale * target_width / 100;	472	int w = 0;
412	int h = v_scale * target_height / 100;	473	int h = 0;
413
414	TIMING_TEST_START (asim);
415		474
416	if (original_asim)	475	if (original_asim)
417	{	476	get_image_geometry (original_asim->width, original_asim->height, w, h, x, y);
418	x = make_align_position (h_align, target_width, w > 0 ? w : (int)original_asim->width);
419	y = make_align_position (v_align, target_height, h > 0 ? h : (int)original_asim->height);
420	}
421		477
422	if (original_asim == NULL	478	if (!original_asim
		479	|| (!(flags & rootAlign)
423	|| x >= target_width	480	&& (x >= target_width
424	|| y >= target_height	481	|| y >= target_height
425	|| (w > 0 && x + w <= 0)	482	|| (x + w <= 0)
426	|| (h > 0 && y + h <= 0))	483	|| (y + h <= 0))))
427	{	484	{
428	if (background)	485	if (background)
429	{	486	{
430	new_pmap_width = background->width;	487	new_pmap_width = background->width;
431	new_pmap_height = background->height;	488	new_pmap_height = background->height;
432	result = background;	489	result = background;
		490
433	if (background_tint != TINT_LEAVE_SAME)	491	if (background_tint != TINT_LEAVE_SAME)
434	{	492	{
435	ASImage* tmp = tile_asimage (target->asv, background, 0, 0,	493	ASImage *tmp = tile_asimage (target->asv, background, 0, 0,
436	target_width, target_height, background_tint,	494	target_width, target_height, background_tint,
437	ASA_XImage, 100, ASIMAGE_QUALITY_DEFAULT);	495	ASA_XImage, 100, ASIMAGE_QUALITY_DEFAULT);
438	if (tmp)	496	if (tmp)
439	result = tmp;	497	result = tmp;
440	}	498	}
…		…
443	new_pmap_width = new_pmap_height = 0;	501	new_pmap_width = new_pmap_height = 0;
444	}	502	}
445	else	503	else
446	{	504	{
447	result = original_asim;	505	result = original_asim;
		506
448	if ((w > 0 && w != original_asim->width)	507	if ((w != original_asim->width)
449	|| (h > 0 && h != original_asim->height))	508	|| (h != original_asim->height))
450	{	509	{
451	result = scale_asimage (target->asv, original_asim,	510	result = scale_asimage (target->asv, original_asim,
452	w > 0 ? w : original_asim->width,	511	w, h,
453	h > 0 ? h : original_asim->height,
454	background ? ASA_ASImage : ASA_XImage,	512	background ? ASA_ASImage : ASA_XImage,
455	100, ASIMAGE_QUALITY_DEFAULT);	513	100, ASIMAGE_QUALITY_DEFAULT);
456	}	514	}
		515
457	if (background == NULL)	516	if (background == NULL)
458	{/* if tiling - pixmap has to be sized exactly as the image */	517	{
459	if (h_scale == 0)
460	new_pmap_width = result->width;
461	if (v_scale == 0)
462	new_pmap_height = result->height;
463	/* we also need to tile our image in one or both directions */
464	if (h_scale == 0 || v_scale == 0)	518	if (h_scale == 0 || v_scale == 0)
465	{	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 */
466	ASImage *tmp = tile_asimage (target->asv, result,	526	ASImage *tmp = tile_asimage (target->asv, result,
467	(h_scale > 0) ? 0 : (int)result->width - x,	527	(int)result->width - x,
468	(v_scale > 0) ? 0 : (int)result->height - y,	528	(int)result->height - y,
		529	new_pmap_width,
469	result->width, result->height,	530	new_pmap_height,
470	TINT_LEAVE_SAME, ASA_XImage,	531	TINT_LEAVE_SAME, ASA_XImage,
471	100, ASIMAGE_QUALITY_DEFAULT);	532	100, ASIMAGE_QUALITY_DEFAULT);
472	if (tmp)	533	if (tmp)
473	{	534	{
474	if (result != original_asim)	535	if (result != original_asim)
475	destroy_asimage (&result);	536	destroy_asimage (&result);
		537
476	result = tmp;	538	result = tmp;
477	}	539	}
478	}	540	}
479	}	541	}
480	else	542	else
		543	{
481	{/* 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 */
482	ASImageLayer *layers = create_image_layers (2);	545	ASImageLayer *layers = create_image_layers (2);
483	ASImage *merged_im = NULL;
484		546
485	layers[0].im = background;	547	layers[0].im = background;
486	layers[0].clip_width = target_width;	548	layers[0].clip_width = target_width;
487	layers[0].clip_height = target_height;	549	layers[0].clip_height = target_height;
488	layers[0].tint = background_tint;	550	layers[0].tint = background_tint;
489	layers[1].im = result;	551	layers[1].im = result;
490	if (w <= 0)	552
		553	if (h_scale == 0 || v_scale == 0)
		554	{
491	{/* tile horizontally */	555	/* tile horizontally */
492	while (x > 0) x -= (int)result->width;	556	while (x > 0) x -= (int)result->width;
493	layers[1].dst_x = x;	557	layers[1].dst_x = x;
494	layers[1].clip_width = result->width+target_width;	558	layers[1].clip_width = result->width+target_width;
495	}	559	}
496	else	560	else
		561	{
497	{/* clip horizontally */	562	/* clip horizontally */
498	layers[1].dst_x = x;	563	layers[1].dst_x = x;
499	layers[1].clip_width = result->width;	564	layers[1].clip_width = result->width;
500	}	565	}
501	if (h <= 0)	566
		567	if (h_scale == 0 || v_scale == 0)
502	{	568	{
503	while (y > 0) y -= (int)result->height;	569	while (y > 0) y -= (int)result->height;
504	layers[1].dst_y = y;	570	layers[1].dst_y = y;
505	layers[1].clip_height = result->height + target_height;	571	layers[1].clip_height = result->height + target_height;
506	}	572	}
507	else	573	else
508	{	574	{
509	layers[1].dst_y = y;	575	layers[1].dst_y = y;
510	layers[1].clip_height = result->height;	576	layers[1].clip_height = result->height;
511	}	577	}
		578
512	if (target->rs[Rs_blendtype])	579	if (target->rs[Rs_blendtype])
513	{	580	{
514	layers[1].merge_scanlines = blend_scanlines_name2func (target->rs[Rs_blendtype]);	581	layers[1].merge_scanlines = blend_scanlines_name2func (target->rs[Rs_blendtype]);
515	if (layers[1].merge_scanlines == NULL)	582	if (layers[1].merge_scanlines == NULL)
516	layers[1].merge_scanlines = alphablend_scanlines;	583	layers[1].merge_scanlines = alphablend_scanlines;
517	}	584	}
		585
518	ASImage *tmp = merge_layers (target->asv, layers, 2, target_width, target_height,	586	ASImage *tmp = merge_layers (target->asv, layers, 2, target_width, target_height,
519	ASA_XImage, 0, ASIMAGE_QUALITY_DEFAULT);	587	ASA_XImage, 0, ASIMAGE_QUALITY_DEFAULT);
		588
520	if (tmp)	589	if (tmp)
521	{	590	{
522	if (result != original_asim)	591	if (result != original_asim)
523	destroy_asimage (&result);	592	destroy_asimage (&result);
		593
524	result = tmp;	594	result = tmp;
525	}	595	}
		596
526	free (layers);	597	free (layers);
527	}	598	}
528	}	599	}
529	TIMING_TEST_PRINT_RESULT (asim);
530		600
531	if (pixmap)	601	bool ret = false;
		602
		603	if (result)
532	{	604	{
533	if (result == NULL	605	XGCValues gcv;
		606	GC gc;
		607
		608	/* create Pixmap */
		609	if (pixmap == None
534	|| pmap_width != new_pmap_width	610	|| pmap_width != new_pmap_width
535	|| pmap_height != new_pmap_height	611	|| pmap_height != new_pmap_height
536	|| pmap_depth != target->depth)	612	|| pmap_depth != target->depth)
537	{	613	{
		614	if (pixmap)
538	XFreePixmap (target->dpy, pixmap);	615	XFreePixmap (target->dpy, pixmap);
539	pixmap = None;
540	}
541	}
542
543	if (result)
544	{
545	XGCValues gcv;
546	GC gc;
547
548	/* create Pixmap */
549	if (pixmap == None)
550	{
551	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);
552	pmap_width = new_pmap_width;	617	pmap_width = new_pmap_width;
553	pmap_height = new_pmap_height;	618	pmap_height = new_pmap_height;
554	pmap_depth = target->depth;	619	pmap_depth = target->depth;
555	}	620	}
556	/* fill with background color ( if result's not completely overlapping it)*/	621	/* fill with background color (if result's not completely overlapping it) */
557	gcv.foreground = target->pix_colors[Color_bg];	622	gcv.foreground = target->pix_colors[Color_bg];
558	gc = XCreateGC (target->dpy, target->vt, GCForeground, &gcv);	623	gc = XCreateGC (target->dpy, target->vt, GCForeground, &gcv);
559		624
560	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;
561	int dst_width = result->width, dst_height = result->height;	626	int dst_width = result->width, dst_height = result->height;
562	if (background == NULL)	627	if (background == NULL)
563	{	628	{
564	if (h_scale > 0)	629	if (!(h_scale == 0 || v_scale == 0))
		630	{
565	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 );
566	if (v_scale > 0)
567	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	}
568		634
569	if (dst_x > 0 || dst_y > 0	635	if (dst_x > 0 || dst_y > 0
570	|| dst_x + dst_width < new_pmap_width	636	|| dst_x + dst_width < new_pmap_width
571	|| dst_y + dst_height < new_pmap_height)	637	|| dst_y + dst_height < new_pmap_height)
572	{
573	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);
574	}
575	}	639	}
576		640
577	/* put result on pixmap */	641	/* put result on pixmap */
578	if (dst_x < new_pmap_width && dst_y < new_pmap_height)	642	if (dst_x < new_pmap_width && dst_y < new_pmap_height)
579	asimage2drawable (target->asv, pixmap, result, gc, src_x, src_y, dst_x, dst_y, dst_width, dst_height, True);	643	asimage2drawable (target->asv, pixmap, result, gc, src_x, src_y, dst_x, dst_y, dst_width, dst_height, True);
580		644
581	if (result != background && result != original_asim)	645	if (result != background && result != original_asim)
582	destroy_asimage (&result);	646	destroy_asimage (&result);
583		647
584	XFreeGC (target->dpy, gc);	648	XFreeGC (target->dpy, gc);
585	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)
586	}	708	{
		709	free (data);
		710	return false;
		711	}
587		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);
588	return true;	743	return true;
589	}	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	}
590	# endif /* HAVE_AFTERIMAGE */	919	# endif /* HAVE_PIXBUF */
591		920
592	bool	921	bool
593	bgPixmap_t::set_file (const char *file)	922	bgPixmap_t::set_file (const char *file)
594	{	923	{
595	char *f;	924	if (!file || !*file)
		925	return false;
596		926
597	assert (file != NULL);	927	if (const char *p = strchr (file, ';'))
598		928	{
599	if (*file != '\0')	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;
600	{	934	}
		935
601	# ifdef HAVE_AFTERIMAGE	936	# ifdef HAVE_AFTERIMAGE
602	if (target->asimman == NULL)	937	if (!target->asimman)
603	target->asimman = create_generic_imageman (target->rs[Rs_path]);	938	target->asimman = create_generic_imageman (target->rs[Rs_path]);
604	if ((f = strchr (file, ';')) == NULL)
605	original_asim = get_asimage (target->asimman, file, 0xFFFFFFFF, 100);	939	ASImage *image = get_asimage (target->asimman, file, 0xFFFFFFFF, 100);
606	else	940	if (image)
607	{
608	size_t len = f - file;
609	f = (char *)malloc (len + 1);
610	strncpy (f, file, len);
611	f[len] = '\0';
612	original_asim = get_asimage (target->asimman, f, 0xFFFFFFFF, 100);
613	free (f);
614	}
615	return (original_asim != NULL);
616	# endif
617	}	941	{
		942	if (original_asim)
		943	safe_asimage_destroy (original_asim);
		944	original_asim = image;
		945	have_image = true;
		946	return true;
		947	}
		948	# endif
		949
		950	# ifdef HAVE_PIXBUF
		951	GdkPixbuf *image = gdk_pixbuf_new_from_file (file, NULL);
		952	if (image)
		953	{
		954	if (pixbuf)
		955	g_object_unref (pixbuf);
		956	pixbuf = image;
		957	have_image = true;
		958	return true;
		959	}
		960	# endif
		961
618	return false;	962	return false;
619	}	963	}
620		964
621	# endif /* BG_IMAGE_FROM_FILE */	965	# endif /* BG_IMAGE_FROM_FILE */
622		966
623	# ifdef ENABLE_TRANSPARENCY	967	# ifdef ENABLE_TRANSPARENCY
624	bool	968	bool
625	bgPixmap_t::set_transparent ()	969	bgPixmap_t::set_transparent ()
626	{	970	{
627	if (!(flags & isTransparent))	971	if (!(flags & isTransparent))
628	{	972	{
629	flags |= isTransparent;	973	flags |= isTransparent;
630	return true;	974	return true;
631	}	975	}
		976
632	return false;	977	return false;
633	}	978	}
634		979
635	bool	980	bool
636	bgPixmap_t::set_blur_radius (const char *geom)	981	bgPixmap_t::set_blur_radius (const char *geom)
637	{	982	{
638	int changed = 0;	983	bool changed = false;
639	unsigned int hr, vr;	984	unsigned int hr, vr;
640	int junk;	985	int junk;
641	int geom_flags = XParseGeometry (geom, &junk, &junk, &hr, &vr);	986	int geom_flags = XParseGeometry (geom, &junk, &junk, &hr, &vr);
642		987
643	if (!(geom_flags&WidthValue))	988	if (!(geom_flags & WidthValue))
644	hr = 1;	989	hr = 1;
645	if (!(geom_flags&HeightValue))	990	if (!(geom_flags & HeightValue))
646	vr = hr;	991	vr = hr;
647		992
		993	min_it (hr, 128);
		994	min_it (vr, 128);
		995
648	if (h_blurRadius != hr)	996	if (h_blurRadius != hr)
649	{	997	{
650	++changed;	998	changed = true;
651	h_blurRadius = hr;	999	h_blurRadius = hr;
652	}	1000	}
653		1001
654	if (v_blurRadius != vr)	1002	if (v_blurRadius != vr)
655	{	1003	{
656	++changed;	1004	changed = true;
657	v_blurRadius = vr;	1005	v_blurRadius = vr;
658	}	1006	}
659		1007
660	if (v_blurRadius == 0 && h_blurRadius == 0)	1008	if (v_blurRadius == 0 && h_blurRadius == 0)
661	flags &= ~blurNeeded;	1009	flags &= ~blurNeeded;
662	else	1010	else
663	flags |= blurNeeded;	1011	flags |= blurNeeded;
664		1012
665	return (changed>0);	1013	return changed;
666	}	1014	}
667		1015
668	static inline unsigned long	1016	static inline unsigned long
669	compute_tint_shade_flags (rxvt_color *tint, int shade)	1017	compute_tint_shade_flags (rxvt_color *tint, int shade)
670	{	1018	{
671	unsigned long flags = 0;	1019	unsigned long flags = 0;
672	rgba c (rgba::MAX_CC,rgba::MAX_CC,rgba::MAX_CC);	1020	rgba c (rgba::MAX_CC,rgba::MAX_CC,rgba::MAX_CC);
673	bool has_shade = (shade > 0 && shade < 100) || (shade > 100 && shade < 200);	1021	bool has_shade = shade != 100;
674		1022
675	if (tint)	1023	if (tint)
676	{	1024	{
677	tint->get (c);	1025	tint->get (c);
678	# define IS_COMPONENT_WHOLESOME(cmp) ((cmp) <= 0x000700 || (cmp) >= 0x00f700)	1026	# define IS_COMPONENT_WHOLESOME(cmp) ((cmp) <= 0x00ff || (cmp) >= 0xff00)
		1027	if (!has_shade
679	if (!has_shade && IS_COMPONENT_WHOLESOME (c.r)	1028	&& IS_COMPONENT_WHOLESOME (c.r)
680	&& IS_COMPONENT_WHOLESOME (c.g)	1029	&& IS_COMPONENT_WHOLESOME (c.g)
681	&& IS_COMPONENT_WHOLESOME (c.b))	1030	&& IS_COMPONENT_WHOLESOME (c.b))
682	flags |= bgPixmap_t::tintWholesome;	1031	flags |= bgPixmap_t::tintWholesome;
683	# undef IS_COMPONENT_WHOLESOME	1032	# undef IS_COMPONENT_WHOLESOME
684	}	1033	}
685		1034
686	if (has_shade)	1035	if (has_shade || tint)
687	flags |= bgPixmap_t::tintNeeded;	1036	flags |= bgPixmap_t::tintNeeded;
688	else if (tint)
689	{
690	if ((c.r > 0x000700 || c.g > 0x000700 || c.b > 0x000700)
691	&& (c.r < 0x00f700 || c.g < 0x00f700 || c.b < 0x00f700))
692	{
693	flags |= bgPixmap_t::tintNeeded;
694	}
695	}
696
697	if (flags & bgPixmap_t::tintNeeded)
698	{
699	if (flags & bgPixmap_t::tintWholesome)
700	flags |= bgPixmap_t::tintServerSide;
701	else
702	{
703	#if XFT
704	flags |= bgPixmap_t::tintServerSide;
705	#endif
706	}
707	}
708		1037
709	return flags;	1038	return flags;
710	}	1039	}
711		1040
712	bool	1041	bool
713	bgPixmap_t::set_tint (rxvt_color &new_tint)	1042	bgPixmap_t::set_tint (rxvt_color &new_tint)
714	{	1043	{
715	if (tint != new_tint)	1044	if (!(flags & tintSet) || tint != new_tint)
716	{	1045	{
717	unsigned long new_flags = compute_tint_shade_flags (&new_tint, shade);	1046	unsigned long new_flags = compute_tint_shade_flags (&new_tint, shade);
718	tint = new_tint;	1047	tint = new_tint;
719	flags = (flags & ~tintFlags) | new_flags | tintSet;	1048	flags = (flags & ~tintFlags) | new_flags | tintSet;
720	return true;	1049	return true;
721	}	1050	}
722	return false;
723	}
724		1051
725	bool
726	bgPixmap_t::unset_tint ()
727	{
728	unsigned long new_flags = compute_tint_shade_flags (NULL, shade);
729
730	if (new_flags != (flags & tintFlags))
731	{
732	flags = (flags&~tintFlags)|new_flags;
733	return true;
734	}
735	return false;	1052	return false;
736	}	1053	}
737		1054
738	bool	1055	bool
739	bgPixmap_t::set_shade (const char *shade_str)	1056	bgPixmap_t::set_shade (const char *shade_str)
740	{	1057	{
741	int new_shade = (shade_str) ? atoi (shade_str) : 0;	1058	int new_shade = (shade_str) ? atoi (shade_str) : 100;
742		1059
		1060	clamp_it (new_shade, -100, 200);
743	if (new_shade == 100)	1061	if (new_shade < 0)
744	new_shade = 0;	1062	new_shade = 200 - (100 + new_shade);
745		1063
746	if (new_shade != shade)	1064	if (new_shade != shade)
747	{	1065	{
748	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);
749	shade = new_shade;	1067	shade = new_shade;
750	flags = (flags & (~tintFlags | tintSet)) | new_flags;	1068	flags = (flags & (~tintFlags | tintSet)) | new_flags;
751	return true;	1069	return true;
752	}	1070	}
		1071
753	return false;	1072	return false;
754	}	1073	}
755		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
756	/* make_transparency_pixmap()	1261	/* make_transparency_pixmap()
757	* 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
758	* 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
759	* our window.	1264	* our window.
760	*/	1265	*/
761	unsigned long	1266	unsigned long
762	bgPixmap_t::make_transparency_pixmap ()	1267	bgPixmap_t::make_transparency_pixmap ()
763	{	1268	{
764	unsigned long result = 0;	1269	unsigned long result = 0;
765		1270
766	if (target == NULL)	1271	if (target == NULL)
767	return 0;	1272	return 0;
768		1273
769	/* 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
770	* be always up-to-date, so let's use it :	1275	* be always up-to-date, so let's use it :
771	*/	1276	*/
772	Window root = target->display->root;
773	int screen = target->display->screen;	1277	int screen = target->display->screen;
774	Display *dpy = target->dpy;	1278	Display *dpy = target->dpy;
		1279	int root_depth = DefaultDepth (dpy, screen);
775	int root_width = DisplayWidth (dpy, screen);	1280	int root_width = DisplayWidth (dpy, screen);
776	int root_height = DisplayHeight (dpy, screen);	1281	int root_height = DisplayHeight (dpy, screen);
777	unsigned int root_pmap_width, root_pmap_height;	1282	unsigned int root_pmap_width, root_pmap_height;
778	int window_width = target->szHint.width;	1283	int window_width = target->szHint.width;
779	int window_height = target->szHint.height;	1284	int window_height = target->szHint.height;
780	int sx, sy;	1285	int sx, sy;
781	XGCValues gcv;	1286	XGCValues gcv;
		1287	GC gc;
782		1288
783	TIMING_TEST_START (tp);	1289	sx = target_x;
784	target->get_window_origin (sx, sy);	1290	sy = target_y;
785		1291
786	/* 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 : */
787	if (sx + window_width <= 0 || sy + window_height <= 0	1293	if (sx + window_width <= 0 || sy + window_height <= 0
788	|| sx >= root_width || sy >= root_height)	1294	|| sx >= root_width || sy >= root_height)
789	return 0;	1295	return 0;
790		1296
		1297	// validate root pixmap and get its size
791	if (root_pixmap != None)	1298	if (root_pixmap != None)
792	{/* we want to validate the pixmap and get it's size at the same time : */	1299	{
		1300	Window wdummy;
793	int junk;	1301	int idummy;
794	unsigned int ujunk;	1302	unsigned int udummy;
795	/* root pixmap may be bad - allow a error */	1303
796	target->allowedxerror = -1;	1304	target->allowedxerror = -1;
797		1305
798	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))
799	root_pixmap = None;	1307	root_pixmap = None;
800		1308
801	target->allowedxerror = 0;	1309	target->allowedxerror = 0;
802	}	1310	}
803		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
804	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);
805	GC gc = NULL;
806		1348
807	if (tiled_root_pmap == None) /* something really bad happened - abort */	1349	if (tiled_root_pmap == None) /* something really bad happened - abort */
808	return 0;	1350	return 0;
809		1351
810	if (root_pixmap == None)
811	{ /* use tricks to obtain the root background image :*/
812	/* we want to create Overrideredirect window overlapping out window
813	with background type of Parent Relative and then grab it */
814	XSetWindowAttributes attr;
815	Window src;
816	bool success = false;
817
818	attr.background_pixmap = ParentRelative;
819	attr.backing_store = Always;
820	attr.event_mask = ExposureMask;
821	attr.override_redirect = True;
822	src = XCreateWindow (dpy, root, sx, sy, window_width, window_height, 0,
823	CopyFromParent, CopyFromParent, CopyFromParent,
824	CWBackPixmap|CWBackingStore|CWOverrideRedirect|CWEventMask,
825	&attr);
826
827	if (src != None)
828	{
829	XEvent event;
830	int ev_count = 0;
831	XGrabServer (dpy);
832	XMapRaised (dpy, src);
833	XSync (dpy, False);
834
835	/* XSync should get window where it's properly exposed,
836	* but to be on the safe side - let's check for the actuall event to arrive : */
837	while (XCheckWindowEvent (dpy, src, ExposureMask, &event))
838	++ev_count;
839
840	if (ev_count > 0);
841	{ /* hooray! - we can grab the image! */
842	gc = XCreateGC (dpy, root, 0, NULL);
843	if (gc)
844	{
845	XCopyArea (dpy, src, tiled_root_pmap, gc, 0, 0, window_width, window_height, 0, 0);
846	success = true;
847	}
848	}
849	XDestroyWindow (dpy, src);
850	XUngrabServer (dpy);
851	//fprintf (stderr, "%s:%d: ev_count = %d\n", __FUNCTION__, __LINE__, ev_count);
852	}
853
854	if (!success)
855	{
856	XFreePixmap (dpy, tiled_root_pmap);
857	tiled_root_pmap = None;
858	}
859	else
860	result |= transpPmapTiled;
861	}
862	else
863	{/* strightforward pixmap copy */	1352	/* straightforward pixmap copy */
864	gcv.tile = root_pixmap;
865	gcv.fill_style = FillTiled;
866
867	while (sx < 0) sx += (int)root_width;	1353	while (sx < 0) sx += (int)root_width;
868	while (sy < 0) sy += (int)root_height;	1354	while (sy < 0) sy += (int)root_height;
869		1355
		1356	gcv.tile = recoded_root_pmap;
		1357	gcv.fill_style = FillTiled;
870	gcv.ts_x_origin = -sx;	1358	gcv.ts_x_origin = -sx;
871	gcv.ts_y_origin = -sy;	1359	gcv.ts_y_origin = -sy;
872	gc = XCreateGC (dpy, root, GCFillStyle | GCTile | GCTileStipXOrigin | GCTileStipYOrigin, &gcv);	1360	gc = XCreateGC (dpy, target->vt, GCFillStyle | GCTile | GCTileStipXOrigin | GCTileStipYOrigin, &gcv);
873		1361
874	if (gc)	1362	if (gc)
875	{	1363	{
876	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);
877	result |= transpPmapTiled;	1365	result |= transpPmapTiled;
878	}	1366	XFreeGC (dpy, gc);
879	}
880	TIMING_TEST_PRINT_RESULT (tp);
881		1367
882	if (tiled_root_pmap != None)
883	{
884	if (!need_client_side_rendering ())	1368	if (!need_client_side_rendering ())
		1369	{
		1370	if ((flags & blurNeeded)
		1371	&& (flags & HAS_RENDER_CONV))
885	{	1372	{
		1373	if (blur_pixmap (tiled_root_pmap, target->visual, window_width, window_height))
		1374	result |= transpPmapBlurred;
		1375	}
886	if ((flags & tintNeeded))	1376	if ((flags & tintNeeded)
887	{
888	if (flags & tintWholesome)	1377	&& (flags & (tintWholesome | HAS_RENDER)))
889	{	1378	{
890	/* In this case we can tint image server-side getting significant	1379	if (tint_pixmap (tiled_root_pmap, target->visual, window_width, window_height))
891	* performance improvements, as we eliminate XImage transfer
892	*/
893	gcv.foreground = Pixel (tint);
894	gcv.function = GXand;
895	gcv.fill_style = FillSolid;
896	if (gc)
897	XChangeGC (dpy, gc, GCFillStyle | GCForeground | GCFunction, &gcv);
898	else
899	gc = XCreateGC (dpy, root, GCFillStyle | GCForeground | GCFunction, &gcv);
900	if (gc)
901	{
902	XFillRectangle (dpy, tiled_root_pmap, gc, 0, 0, window_width, window_height);
903	result |= transpPmapTinted;	1380	result |= transpPmapTinted;
904	}
905	}
906	else
907	{
908	# if XFT
909	Picture back_pic = 0;
910	rgba c (rgba::MAX_CC,rgba::MAX_CC,rgba::MAX_CC);
911
912	if (flags & tintSet)
913	tint.get (c);
914
915	if (shade > 0 && shade < 100)
916	{
917	c.r = (c.r * shade) / 100;
918	c.g = (c.g * shade) / 100;
919	c.b = (c.b * shade) / 100;
920	}
921	else if( shade > 100 && shade < 200)
922	{
923	c.r = (c.r * (200 - shade)) / 100;
924	c.g = (c.g * (200 - shade)) / 100;
925	c.b = (c.b * (200 - shade)) / 100;
926	}
927
928	XRenderPictFormat pf;
929	pf.type = PictTypeDirect;
930	pf.depth = 32;
931	pf.direct.redMask = 0xff;
932	pf.direct.greenMask = 0xff;
933	pf.direct.blueMask = 0xff;
934	pf.direct.alphaMask = 0xff;
935
936	XRenderPictFormat *solid_format = XRenderFindFormat (dpy,
937	(PictFormatType|
938	PictFormatDepth|
939	PictFormatRedMask|
940	PictFormatGreenMask|
941	PictFormatBlueMask|
942	PictFormatAlphaMask),
943	&pf,
944	0);
945	XRenderPictFormat *root_format = XRenderFindVisualFormat (dpy, DefaultVisualOfScreen (ScreenOfDisplay (dpy, target->display->screen)));
946	XRenderPictureAttributes pa ;
947
948	back_pic = XRenderCreatePicture (dpy, tiled_root_pmap, root_format, 0, &pa);
949
950	pa.repeat = True;
951
952	Pixmap overlay_pmap = XCreatePixmap (dpy, root, 1, 1, 32);
953	Picture overlay_pic = XRenderCreatePicture (dpy, overlay_pmap, solid_format, CPRepeat, &pa);
954	XFreePixmap (dpy, overlay_pmap);
955
956	pa.component_alpha = True;
957	Pixmap mask_pmap = XCreatePixmap (dpy, root, 1, 1, 32);
958	Picture mask_pic = XRenderCreatePicture (dpy, mask_pmap, solid_format, CPRepeat|CPComponentAlpha, &pa);
959	XFreePixmap (dpy, mask_pmap);
960
961	if (mask_pic && overlay_pic && back_pic)
962	{
963	XRenderColor mask_c;
964
965	memset (&mask_c, (shade > 100) ? 0xFF : 0x0, sizeof (mask_c));
966	mask_c.alpha = 0xffff;
967	XRenderFillRectangle (dpy, PictOpSrc, overlay_pic, &mask_c, 0, 0, 1, 1);
968
969	mask_c.alpha = 0;
970	mask_c.red = 0xffff - c.r;
971	mask_c.green = 0xffff - c.g;
972	mask_c.blue = 0xffff - c.b;
973	XRenderFillRectangle (dpy, PictOpSrc, mask_pic, &mask_c, 0, 0, 1, 1);
974	XRenderComposite (dpy, PictOpOver, overlay_pic, mask_pic, back_pic, 0, 0, 0, 0, 0, 0, window_width, window_height);
975	result |= transpPmapTinted;
976	}
977	XRenderFreePicture (dpy, mask_pic);
978	XRenderFreePicture (dpy, overlay_pic);
979	XRenderFreePicture (dpy, back_pic);
980	# if DO_TIMING_TEST
981	XSync (dpy, False);
982	# endif
983	# endif
984	}
985	}	1381	}
986	} /* server side rendering completed */	1382	} /* server side rendering completed */
987		1383
988	if (pixmap)	1384	if (pixmap)
989	XFreePixmap (dpy, pixmap);	1385	XFreePixmap (dpy, pixmap);
990		1386
991	pixmap = tiled_root_pmap;	1387	pixmap = tiled_root_pmap;
992	pmap_width = window_width;	1388	pmap_width = window_width;
993	pmap_height = window_height;	1389	pmap_height = window_height;
994	pmap_depth = root_depth;	1390	pmap_depth = target->depth;
995	}
996
997	if (gc)
998	XFreeGC (dpy, gc);
999
1000	TIMING_TEST_PRINT_RESULT (tp);
1001		1391	}
		1392	else
		1393	XFreePixmap (dpy, tiled_root_pmap);
		1394
		1395	if (recoded_root_pmap != root_pixmap)
		1396	XFreePixmap (dpy, recoded_root_pmap);
		1397
1002	return result;	1398	return result;
1003	}	1399	}
1004		1400
1005	bool	1401	void
1006	bgPixmap_t::set_root_pixmap ()	1402	bgPixmap_t::set_root_pixmap ()
1007	{	1403	{
1008	Pixmap new_root_pixmap = None;
1009
1010	new_root_pixmap = target->get_pixmap_property (XA_XROOTPMAP_ID);	1404	Pixmap new_root_pixmap = target->get_pixmap_property (target->xa[XA_XROOTPMAP_ID]);
1011	if (new_root_pixmap == None)	1405	if (new_root_pixmap == None)
1012	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]);
1013		1407
1014	if (new_root_pixmap != root_pixmap)
1015	{
1016	root_pixmap = new_root_pixmap;	1408	root_pixmap = new_root_pixmap;
1017	return true;
1018	}
1019	return false;
1020	}	1409	}
1021	# endif /* ENABLE_TRANSPARENCY */	1410	# endif /* ENABLE_TRANSPARENCY */
1022		1411
1023	# ifndef HAVE_AFTERIMAGE	1412	#if defined(ENABLE_TRANSPARENCY) && !defined(HAVE_AFTERIMAGE)
1024	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);
1025	# endif	1414	# endif
1026
1027		1415
1028	bool	1416	bool
1029	bgPixmap_t::render ()	1417	bgPixmap_t::render ()
1030	{	1418	{
1031	unsigned long background_flags = 0;	1419	unsigned long background_flags = 0;
1032		1420
1033	if (target == NULL)	1421	if (target == NULL)
1034	return false;	1422	return false;
1035		1423
1036	TIMING_TEST_START (tp);
1037
1038	invalidate();	1424	invalidate ();
1039	# ifdef ENABLE_TRANSPARENCY	1425	# ifdef ENABLE_TRANSPARENCY
1040	if (flags & isTransparent)	1426	if (flags & isTransparent)
1041	{	1427	{
1042	/* we need to re-generate transparency pixmap in that case ! */	1428	/* we need to re-generate transparency pixmap in that case ! */
1043	background_flags = make_transparency_pixmap ();	1429	background_flags = make_transparency_pixmap ();
1044	if (background_flags == 0)	1430	if (background_flags == 0)
1045	return false;	1431	return false;
1046	else if ((background_flags & transpTransformations) == (flags & transpTransformations)	1432	else if ((background_flags & transpTransformations) == (flags & transpTransformations))
1047	&& pmap_depth == target->depth)
1048	flags = flags & ~isInvalid;	1433	flags &= ~isInvalid;
1049	}	1434	}
1050	# endif	1435	# endif
1051		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)
1052	XImage *result = NULL;	1447	XImage *result = NULL;
1053	# ifdef HAVE_AFTERIMAGE	1448
1054	if (original_asim	1449	if (background_flags && (flags & isInvalid))
1055	|| (background_flags & transpTransformations) != (flags & transpTransformations))	1450	{
		1451	result = XGetImage (target->dpy, pixmap, 0, 0, pmap_width, pmap_height, AllPlanes, ZPixmap);
1056	{	1452	}
1057	ASImage *background = NULL;
1058	ARGB32 as_tint = TINT_LEAVE_SAME;
1059	if (background_flags)
1060	background = pixmap2ximage (target->asv, pixmap, 0, 0, pmap_width, pmap_height, AllPlanes, 100);
1061		1453
1062	# ifdef ENABLE_TRANSPARENCY	1454	if (result)
		1455	{
		1456	/* our own client-side tinting */
1063	if (!(background_flags & transpPmapTinted) && (flags & tintNeeded))	1457	if (!(background_flags & transpPmapTinted) && (flags & tintNeeded))
1064	{	1458	{
1065	ShadingInfo as_shade;
1066	as_shade.shading = (shade == 0) ? 100 : shade;
1067
1068	rgba c (rgba::MAX_CC,rgba::MAX_CC,rgba::MAX_CC);	1459	rgba c (rgba::MAX_CC,rgba::MAX_CC,rgba::MAX_CC);
1069	if (flags & tintSet)	1460	if (flags & tintSet)
1070	tint.get (c);	1461	tint.get (c);
1071	as_shade.tintColor.red = c.r;	1462	shade_ximage (DefaultVisual (target->dpy, target->display->screen), result, shade, c);
1072	as_shade.tintColor.green = c.g;
1073	as_shade.tintColor.blue = c.b;
1074
1075	as_tint = shading2tint32 (&as_shade);
1076	}
1077	if (!(background_flags & transpPmapBlured) && (flags & blurNeeded) && background != NULL)
1078	{	1463	}
1079	ASImage* tmp = blur_asimage_gauss (target->asv, background, h_blurRadius, v_blurRadius, 0xFFFFFFFF,
1080	(original_asim == NULL || tint == TINT_LEAVE_SAME)?ASA_XImage:ASA_ASImage,
1081	100, ASIMAGE_QUALITY_DEFAULT);
1082	if (tmp)
1083	{
1084	destroy_asimage (&background);
1085	background = tmp;
1086	}
1087	}
1088	# endif
1089		1464
1090	if (render_asim (background, as_tint))
1091	flags = flags & ~isInvalid;
1092	if (background)
1093	destroy_asimage (&background);
1094	}
1095	else if (background_flags && pmap_depth != target->depth)
1096	{
1097	result = XGetImage (target->dpy, pixmap, 0, 0, pmap_width, pmap_height, AllPlanes, ZPixmap);
1098	}
1099	# else /* our own client-side tinting */
1100	if (background_flags && (flags & isInvalid))
1101	{
1102	result = XGetImage (target->dpy, pixmap, 0, 0, pmap_width, pmap_height, AllPlanes, ZPixmap);
1103	if (result != NULL && !(background_flags & transpPmapTinted) && (flags & tintNeeded))
1104	{
1105	rgba c (rgba::MAX_CC,rgba::MAX_CC,rgba::MAX_CC);
1106	if (flags & tintSet)
1107	tint.get (c);
1108	ShadeXImage (target, result, shade, c.r, c.g, c.b);
1109	}
1110	}
1111	# endif /* HAVE_AFTERIMAGE */
1112
1113	if (result != NULL)
1114	{
1115	GC gc = XCreateGC (target->dpy, target->vt, 0UL, NULL);	1465	GC gc = XCreateGC (target->dpy, target->vt, 0UL, NULL);
		1466
1116	if (gc)	1467	if (gc)
1117	{	1468	{
1118	if (/*pmap_depth != target->depth &&*/ pixmap != None)
1119	{
1120	XFreePixmap (target->dpy, pixmap);
1121	pixmap = None;
1122	}
1123	if (pixmap == None)
1124	{
1125	pixmap = XCreatePixmap (target->dpy, target->vt, result->width, result->height, target->depth);
1126	pmap_width = result->width;
1127	pmap_height = result->height;
1128	pmap_depth = target->depth;
1129	}
1130	if (pmap_depth != result->depth)
1131	{ /* Bad Match error will ensue ! stupid X !!!! */
1132	if( result->depth == 24 && pmap_depth == 32)
1133	result->depth = 32;
1134	else if( result->depth == 32 && pmap_depth == 24)
1135	result->depth = 24;
1136	else
1137	{
1138	/* TODO: implement image recoding */
1139	}
1140	}
1141	if (pmap_depth == result->depth)
1142	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);
		1470
1143	XFreeGC (target->dpy, gc);	1471	XFreeGC (target->dpy, gc);
1144	flags = flags & ~isInvalid;	1472	flags &= ~isInvalid;
1145	}	1473	}
		1474
1146	XDestroyImage (result);	1475	XDestroyImage (result);
1147	}	1476	}
		1477	# endif
1148		1478
1149	if (flags & isInvalid)	1479	if (flags & isInvalid)
1150	{	1480	{
1151	if (pixmap != None)	1481	if (pixmap != None)
1152	{	1482	{
…		…
1155	}	1485	}
1156	}	1486	}
1157		1487
1158	apply ();	1488	apply ();
1159		1489
1160	TIMING_TEST_PRINT_RESULT (tp);	1490	valid_since = ev::now ();
1161		1491
1162	return true;	1492	return true;
1163	}	1493	}
1164		1494
1165	bool	1495	void
1166	bgPixmap_t::set_target (rxvt_term *new_target)	1496	bgPixmap_t::set_target (rxvt_term *new_target)
1167	{	1497	{
1168	if (new_target)
1169	if (target != new_target)
1170	{
1171	target = new_target;	1498	target = new_target;
		1499
		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	}
		1514	#endif
		1515	}
		1516
		1517	void
		1518	bgPixmap_t::apply ()
		1519	{
		1520	if (target == NULL)
		1521	return;
		1522
		1523	if (pixmap != None)
		1524	{
		1525	/* set target's background to pixmap */
1172	# ifdef ENABLE_TRANSPARENCY	1526	# ifdef ENABLE_TRANSPARENCY
1173	root_depth = DefaultDepthOfScreen (ScreenOfDisplay (target->dpy, target->display->screen));	1527	if (flags & isTransparent)
		1528	{
		1529	XSetWindowBackgroundPixmap (target->dpy, target->parent[0], pixmap);
		1530	XSetWindowBackgroundPixmap (target->dpy, target->vt, ParentRelative);
		1531
		1532	if (target->scrollBar.win)
		1533	XSetWindowBackgroundPixmap (target->dpy, target->scrollBar.win, ParentRelative);
		1534	}
		1535	else
1174	# endif	1536	# endif
1175	return true;
1176	}
1177	return false;
1178	}
1179
1180	void
1181	bgPixmap_t::apply()
1182	{
1183	if (target)
1184	{
1185	flags &= ~isVtOrigin;
1186	if (pixmap != None)
1187	{ /* set target's background to pixmap */
1188	# ifdef ENABLE_TRANSPARENCY
1189	if (flags & isTransparent)
1190	{	1537	{
1191	XSetWindowBackgroundPixmap (target->dpy, target->parent[0], pixmap);
1192	XSetWindowBackgroundPixmap (target->dpy, target->vt, ParentRelative);
1193	# if HAVE_SCROLLBARS
1194	if (target->scrollBar.win)
1195	XSetWindowBackgroundPixmap (target->dpy, target->scrollBar.win, ParentRelative);
1196	# endif
1197	}
1198	else
1199	# endif
1200	{
1201	flags |= isVtOrigin;
1202	/* force old pixmap dereference in case it was transparent before :*/	1538	/* force old pixmap dereference in case it was transparent before :*/
1203	XSetWindowBackground (target->dpy, target->parent[0], target->pix_colors[Color_border]);
1204	XSetWindowBackgroundPixmap (target->dpy, target->vt, pixmap);
1205	/* do we also need to set scrollbar's background here ? */
1206	# if HAVE_SCROLLBARS
1207	if (target->scrollBar.win)
1208	XSetWindowBackground (target->dpy, target->scrollBar.win, target->pix_colors[Color_border]);
1209	# endif
1210	}
1211	}
1212	else
1213	{ /* set target background to a pixel */
1214	XSetWindowBackground (target->dpy, target->parent[0], target->pix_colors[Color_border]);	1539	XSetWindowBackground (target->dpy, target->parent[0], target->pix_colors[Color_border]);
1215	XSetWindowBackground (target->dpy, target->vt, target->pix_colors[Color_bg]);	1540	XSetWindowBackgroundPixmap (target->dpy, target->vt, pixmap);
1216	/* do we also need to set scrollbar's background here ? */	1541	/* do we also need to set scrollbar's background here ? */
1217	# if HAVE_SCROLLBARS	1542
1218	if (target->scrollBar.win)	1543	if (target->scrollBar.win)
1219	XSetWindowBackground (target->dpy, target->scrollBar.win, target->pix_colors[Color_border]);	1544	XSetWindowBackground (target->dpy, target->scrollBar.win, target->pix_colors[Color_border]);
1220	# endif
1221	}	1545	}
1222	/* don't want Expose on the parent or vt. It is better to use	1546	}
1223	scr_touch or we get a great deal of flicker otherwise: */	1547	else
1224	XClearWindow (target->dpy, target->parent[0]);	1548	{
1225		1549	/* set target background to a pixel */
1226	# if HAVE_SCROLLBARS	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 ? */
1227	if (target->scrollBar.win)	1553	if (target->scrollBar.win)
1228	{	1554	XSetWindowBackground (target->dpy, target->scrollBar.win, target->pix_colors[Color_border]);
1229	target->scrollBar.setIdle ();	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	{
		1563	target->scrollBar.state = STATE_IDLE;
1230	target->scrollbar_show (0);	1564	target->scrollBar.show (0);
1231	}	1565	}
1232	# endif
1233		1566
1234	target->want_refresh = 1;	1567	target->want_refresh = 1;
1235	flags |= hasChanged;	1568	flags |= hasChanged;
1236	}
1237	}	1569	}
1238		1570
1239	#endif /* HAVE_BG_PIXMAP */	1571	#endif /* HAVE_BG_PIXMAP */
1240		1572
1241	#if defined(ENABLE_TRANSPARENCY) && !defined(HAVE_AFTERIMAGE)	1573	#if defined(ENABLE_TRANSPARENCY) && !defined(HAVE_AFTERIMAGE)
1242	/* taken from aterm-0.4.2 */	1574	/* taken from aterm-0.4.2 */
1243		1575
1244	typedef uint32_t RUINT32T;
1245
1246	static void	1576	static void
1247	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)
1248	{	1578	{
1249	int sh_r, sh_g, sh_b;	1579	int sh_r, sh_g, sh_b;
1250	RUINT32T mask_r, mask_g, mask_b;	1580	uint32_t mask_r, mask_g, mask_b;
1251	RUINT32T *lookup, *lookup_r, *lookup_g, *lookup_b;	1581	uint32_t *lookup, *lookup_r, *lookup_g, *lookup_b;
1252	unsigned int lower_lim_r, lower_lim_g, lower_lim_b;	1582	rgba low;
1253	unsigned int upper_lim_r, upper_lim_g, upper_lim_b;	1583	rgba high;
1254	int i;	1584	int i;
		1585	int host_byte_order = byteorder::big_endian () ? MSBFirst : LSBFirst;
1255		1586
1256	Visual *visual = term->visual;
1257
1258	if (visual->c_class != TrueColor || srcImage->format != ZPixmap) return ;	1587	if (visual->c_class != TrueColor || ximage->format != ZPixmap) return;
1259
1260	if (shade == 0)
1261	shade = 100;
1262		1588
1263	/* for convenience */	1589	/* for convenience */
1264	mask_r = visual->red_mask;	1590	mask_r = visual->red_mask;
1265	mask_g = visual->green_mask;	1591	mask_g = visual->green_mask;
1266	mask_b = visual->blue_mask;	1592	mask_b = visual->blue_mask;
1267		1593
1268	/* boring lookup table pre-initialization */	1594	/* boring lookup table pre-initialization */
1269	switch (srcImage->bits_per_pixel) {	1595	switch (ximage->depth)
		1596	{
1270	case 15:	1597	case 15:
1271	if ((mask_r != 0x7c00) ||	1598	if ((mask_r != 0x7c00) ||
1272	(mask_g != 0x03e0) ||	1599	(mask_g != 0x03e0) ||
1273	(mask_b != 0x001f))	1600	(mask_b != 0x001f))
1274	return;	1601	return;
1275	lookup = (RUINT32T *) malloc (sizeof (RUINT32T)*(32+32+32));	1602	lookup = (uint32_t *) malloc (sizeof (uint32_t)*(32+32+32));
1276	lookup_r = lookup;	1603	lookup_r = lookup;
1277	lookup_g = lookup+32;	1604	lookup_g = lookup+32;
1278	lookup_b = lookup+32+32;	1605	lookup_b = lookup+32+32;
1279	sh_r = 10;	1606	sh_r = 10;
1280	sh_g = 5;	1607	sh_g = 5;
1281	sh_b = 0;	1608	sh_b = 0;
1282	break;	1609	break;
1283	case 16:	1610	case 16:
1284	if ((mask_r != 0xf800) ||	1611	if ((mask_r != 0xf800) ||
1285	(mask_g != 0x07e0) ||	1612	(mask_g != 0x07e0) ||
1286	(mask_b != 0x001f))	1613	(mask_b != 0x001f))
1287	return;	1614	return;
1288	lookup = (RUINT32T *) malloc (sizeof (RUINT32T)*(32+64+32));	1615	lookup = (uint32_t *) malloc (sizeof (uint32_t)*(32+64+32));
1289	lookup_r = lookup;	1616	lookup_r = lookup;
1290	lookup_g = lookup+32;	1617	lookup_g = lookup+32;
1291	lookup_b = lookup+32+64;	1618	lookup_b = lookup+32+64;
1292	sh_r = 11;	1619	sh_r = 11;
1293	sh_g = 5;	1620	sh_g = 5;
1294	sh_b = 0;	1621	sh_b = 0;
1295	break;	1622	break;
1296	case 24:	1623	case 24:
1297	if ((mask_r != 0xff0000) ||	1624	if ((mask_r != 0xff0000) ||
1298	(mask_g != 0x00ff00) ||	1625	(mask_g != 0x00ff00) ||
1299	(mask_b != 0x0000ff))	1626	(mask_b != 0x0000ff))
1300	return;	1627	return;
1301	lookup = (RUINT32T *) malloc (sizeof (RUINT32T)*(256+256+256));	1628	lookup = (uint32_t *) malloc (sizeof (uint32_t)*(256+256+256));
1302	lookup_r = lookup;	1629	lookup_r = lookup;
1303	lookup_g = lookup+256;	1630	lookup_g = lookup+256;
1304	lookup_b = lookup+256+256;	1631	lookup_b = lookup+256+256;
1305	sh_r = 16;	1632	sh_r = 16;
1306	sh_g = 8;	1633	sh_g = 8;
1307	sh_b = 0;	1634	sh_b = 0;
1308	break;	1635	break;
1309	case 32:	1636	case 32:
1310	if ((mask_r != 0xff0000) ||	1637	if ((mask_r != 0xff0000) ||
1311	(mask_g != 0x00ff00) ||	1638	(mask_g != 0x00ff00) ||
1312	(mask_b != 0x0000ff))	1639	(mask_b != 0x0000ff))
1313	return;	1640	return;
1314	lookup = (RUINT32T *) malloc (sizeof (RUINT32T)*(256+256+256));	1641	lookup = (uint32_t *) malloc (sizeof (uint32_t)*(256+256+256));
1315	lookup_r = lookup;	1642	lookup_r = lookup;
1316	lookup_g = lookup+256;	1643	lookup_g = lookup+256;
1317	lookup_b = lookup+256+256;	1644	lookup_b = lookup+256+256;
1318	sh_r = 16;	1645	sh_r = 16;
1319	sh_g = 8;	1646	sh_g = 8;
1320	sh_b = 0;	1647	sh_b = 0;
1321	break;	1648	break;
1322	default:	1649	default:
1323	return; /* we do not support this color depth */	1650	return; /* we do not support this color depth */
1324	}	1651	}
1325		1652
1326	/* prepare limits for color transformation (each channel is handled separately) */	1653	/* prepare limits for color transformation (each channel is handled separately) */
1327	if (shade < 0) {	1654	if (shade > 100)
		1655	{
1328	shade = -shade;	1656	shade = 200 - shade;
1329	if (shade < 0) shade = 0;
1330	if (shade > 100) shade = 100;
1331		1657
1332	lower_lim_r = 65535-rm;	1658	high.r = c.r * shade / 100;
1333	lower_lim_g = 65535-gm;	1659	high.g = c.g * shade / 100;
1334	lower_lim_b = 65535-bm;	1660	high.b = c.b * shade / 100;
1335		1661
1336	lower_lim_r = 65535-(unsigned int)(((RUINT32T)lower_lim_r)*((RUINT32T)shade)/100);	1662	low.r = 65535 * (100 - shade) / 100;
1337	lower_lim_g = 65535-(unsigned int)(((RUINT32T)lower_lim_g)*((RUINT32T)shade)/100);	1663	low.g = 65535 * (100 - shade) / 100;
1338	lower_lim_b = 65535-(unsigned int)(((RUINT32T)lower_lim_b)*((RUINT32T)shade)/100);	1664	low.b = 65535 * (100 - shade) / 100;
1339
1340	upper_lim_r = upper_lim_g = upper_lim_b = 65535;
1341	} else {
1342	if (shade < 0) shade = 0;
1343	if (shade > 100) shade = 100;
1344
1345	lower_lim_r = lower_lim_g = lower_lim_b = 0;
1346
1347	upper_lim_r = (unsigned int)((((RUINT32T)rm)*((RUINT32T)shade))/100);
1348	upper_lim_g = (unsigned int)((((RUINT32T)gm)*((RUINT32T)shade))/100);
1349	upper_lim_b = (unsigned int)((((RUINT32T)bm)*((RUINT32T)shade))/100);
1350	}	1665	}
1351		1666	else
1352	/* switch red and blue bytes if necessary, we need it for some weird XServers like XFree86 3.3.3.1 */
1353	if ((srcImage->bits_per_pixel == 24) && (mask_r >= 0xFF0000 ))
1354	{	1667	{
1355	unsigned int tmp;	1668	high.r = c.r * shade / 100;
		1669	high.g = c.g * shade / 100;
		1670	high.b = c.b * shade / 100;
1356		1671
1357	tmp = lower_lim_r;	1672	low.r = low.g = low.b = 0;
1358	lower_lim_r = lower_lim_b;
1359	lower_lim_b = tmp;
1360
1361	tmp = upper_lim_r;
1362	upper_lim_r = upper_lim_b;
1363	upper_lim_b = tmp;
1364	}	1673	}
1365		1674
1366	/* fill our lookup tables */	1675	/* fill our lookup tables */
1367	for (i = 0; i <= mask_r>>sh_r; i++)	1676	for (i = 0; i <= mask_r>>sh_r; i++)
1368	{	1677	{
1369	RUINT32T tmp;	1678	uint32_t tmp;
1370	tmp = ((RUINT32T)i)*((RUINT32T)(upper_lim_r-lower_lim_r));	1679	tmp = i * high.r;
1371	tmp += ((RUINT32T)(mask_r>>sh_r))*((RUINT32T)lower_lim_r);	1680	tmp += (mask_r>>sh_r) * low.r;
1372	lookup_r[i] = (tmp/65535)<<sh_r;	1681	lookup_r[i] = (tmp/65535)<<sh_r;
1373	}	1682	}
1374	for (i = 0; i <= mask_g>>sh_g; i++)	1683	for (i = 0; i <= mask_g>>sh_g; i++)
1375	{	1684	{
1376	RUINT32T tmp;	1685	uint32_t tmp;
1377	tmp = ((RUINT32T)i)*((RUINT32T)(upper_lim_g-lower_lim_g));	1686	tmp = i * high.g;
1378	tmp += ((RUINT32T)(mask_g>>sh_g))*((RUINT32T)lower_lim_g);	1687	tmp += (mask_g>>sh_g) * low.g;
1379	lookup_g[i] = (tmp/65535)<<sh_g;	1688	lookup_g[i] = (tmp/65535)<<sh_g;
1380	}	1689	}
1381	for (i = 0; i <= mask_b>>sh_b; i++)	1690	for (i = 0; i <= mask_b>>sh_b; i++)
1382	{	1691	{
1383	RUINT32T tmp;	1692	uint32_t tmp;
1384	tmp = ((RUINT32T)i)*((RUINT32T)(upper_lim_b-lower_lim_b));	1693	tmp = i * high.b;
1385	tmp += ((RUINT32T)(mask_b>>sh_b))*((RUINT32T)lower_lim_b);	1694	tmp += (mask_b>>sh_b) * low.b;
1386	lookup_b[i] = (tmp/65535)<<sh_b;	1695	lookup_b[i] = (tmp/65535)<<sh_b;
1387	}	1696	}
1388		1697
1389	/* apply table to input image (replacing colors by newly calculated ones) */	1698	/* apply table to input image (replacing colors by newly calculated ones) */
1390	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)
1391	{	1702	{
1392	case 15:
1393	{
1394	unsigned short *p1, *pf, *p, *pl;	1703	uint32_t *p1, *pf, *p, *pl;
1395	p1 = (unsigned short *) srcImage->data;	1704	p1 = (uint32_t *) ximage->data;
1396	pf = (unsigned short *) (srcImage->data + srcImage->height * srcImage->bytes_per_line);	1705	pf = (uint32_t *) (ximage->data + ximage->height * ximage->bytes_per_line);
		1706
1397	while (p1 < pf)	1707	while (p1 < pf)
1398	{	1708	{
1399	p = p1;	1709	p = p1;
1400	pl = p1 + srcImage->width;	1710	pl = p1 + ximage->width;
1401	for (; p < pl; p++)	1711	for (; p < pl; p++)
1402	{	1712	{
1403	*p = lookup_r[(*p & 0x7c00)>>10] |
1404	lookup_g[(*p & 0x03e0)>> 5] |
1405	lookup_b[(*p & 0x001f)];
1406	}
1407	p1 = (unsigned short *) ((char *) p1 + srcImage->bytes_per_line);
1408	}
1409	break;
1410	}
1411	case 16:
1412	{
1413	unsigned short *p1, *pf, *p, *pl;
1414	p1 = (unsigned short *) srcImage->data;
1415	pf = (unsigned short *) (srcImage->data + srcImage->height * srcImage->bytes_per_line);
1416	while (p1 < pf)
1417	{
1418	p = p1;
1419	pl = p1 + srcImage->width;
1420	for (; p < pl; p++)
1421	{
1422	*p = lookup_r[(*p & 0xf800)>>11] |
1423	lookup_g[(*p & 0x07e0)>> 5] |
1424	lookup_b[(*p & 0x001f)];
1425	}
1426	p1 = (unsigned short *) ((char *) p1 + srcImage->bytes_per_line);
1427	}
1428	break;
1429	}
1430	case 24:
1431	{
1432	unsigned char *p1, *pf, *p, *pl;
1433	p1 = (unsigned char *) srcImage->data;
1434	pf = (unsigned char *) (srcImage->data + srcImage->height * srcImage->bytes_per_line);
1435	while (p1 < pf)
1436	{
1437	p = p1;
1438	pl = p1 + srcImage->width * 3;
1439	for (; p < pl; p += 3)
1440	{
1441	p[0] = lookup_r[(p[0] & 0xff0000)>>16];
1442	p[1] = lookup_r[(p[1] & 0x00ff00)>> 8];
1443	p[2] = lookup_r[(p[2] & 0x0000ff)];
1444	}
1445	p1 = (unsigned char *) ((char *) p1 + srcImage->bytes_per_line);
1446	}
1447	break;
1448	}
1449	case 32:
1450	{
1451	RUINT32T *p1, *pf, *p, *pl;
1452	p1 = (RUINT32T *) srcImage->data;
1453	pf = (RUINT32T *) (srcImage->data + srcImage->height * srcImage->bytes_per_line);
1454
1455	while (p1 < pf)
1456	{
1457	p = p1;
1458	pl = p1 + srcImage->width;
1459	for (; p < pl; p++)
1460	{
1461	*p = lookup_r[(*p & 0xff0000)>>16] |	1713	*p = lookup_r[(*p & 0xff0000) >> 16] |
1462	lookup_g[(*p & 0x00ff00)>> 8] |	1714	lookup_g[(*p & 0x00ff00) >> 8] |
1463	lookup_b[(*p & 0x0000ff)] |	1715	lookup_b[(*p & 0x0000ff)] |
1464	(*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);
1465	}	1731	}
1466	p1 = (RUINT32T *) ((char *) p1 + srcImage->bytes_per_line);
1467	}	1732	}
1468	break;
1469	}
1470	}
1471		1733
1472	free (lookup);	1734	free (lookup);
1473	}	1735	}
1474	#endif /* defined(ENABLE_TRANSPARENCY) && !defined(HAVE_AFTERIMAGE) */	1736	#endif /* defined(ENABLE_TRANSPARENCY) && !defined(HAVE_AFTERIMAGE) */

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