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Comparing rxvt-unicode/src/background.C (file contents):
Revision 1.52 by sf-exg, Wed Sep 1 11:59:44 2010 UTC vs.
Revision 1.148 by root, Tue Apr 26 09:48:09 2011 UTC

1	/*----------------------------------------------------------------------*	1	/*----------------------------------------------------------------------*
2	* File: background.C - former xpm.C	2	* File: background.C - former xpm.C
3	*----------------------------------------------------------------------*	3	*----------------------------------------------------------------------*
4	*	4	*
5	* All portions of code are copyright by their respective author/s.	5	* All portions of code are copyright by their respective author/s.
6	* Copyright (c) 2005-2008 Marc Lehmann <pcg@goof.com>	6	* Copyright (c) 2005-2008 Marc Lehmann <schmorp@schmorp.de>
7	* Copyright (c) 2007 Sasha Vasko <sasha@aftercode.net>	7	* Copyright (c) 2007 Sasha Vasko <sasha@aftercode.net>
		8	* Copyright (c) 2010 Emanuele Giaquinta <e.giaquinta@glauco.it>
8	*	9	*
9	* This program is free software; you can redistribute it and/or modify	10	* This program is free software; you can redistribute it and/or modify
10	* it under the terms of the GNU General Public License as published by	11	* it under the terms of the GNU General Public License as published by
11	* the Free Software Foundation; either version 2 of the License, or	12	* the Free Software Foundation; either version 2 of the License, or
12	* (at your option) any later version.	13	* (at your option) any later version.
…		…
19	* You should have received a copy of the GNU General Public License	20	* You should have received a copy of the GNU General Public License
20	* along with this program; if not, write to the Free Software	21	* along with this program; if not, write to the Free Software
21	* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.	22	* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
22	*---------------------------------------------------------------------*/	23	*---------------------------------------------------------------------*/
23		24
		25	#include <cmath>
24	#include "../config.h" /* NECESSARY */	26	#include "../config.h" /* NECESSARY */
25	#include "rxvt.h" /* NECESSARY */	27	#include "rxvt.h" /* NECESSARY */
26		28
27	#define DO_TIMING_TEST 0	29	#if XRENDER
		30	# include <X11/extensions/Xrender.h>
		31	#endif
28		32
29	#if DO_TIMING_TEST	33	#ifndef FilterConvolution
30	# include <sys/time.h>	34	#define FilterConvolution "convolution"
31	#define TIMING_TEST_START(id) \
32	struct timeval timing_test_##id##_stv; \
33	gettimeofday (&timing_test_##id##_stv, NULL);
34
35	#define TIMING_TEST_PRINT_RESULT(id) \
36	do { \
37	struct timeval tv; \
38	gettimeofday (&tv, NULL); \
39	tv.tv_sec -= (timing_test_##id##_stv).tv_sec; \
40	fprintf (stderr, "%s: %s: %d: elapsed %ld usec\n", #id, __FILE__, __LINE__, \
41	tv.tv_sec * 1000000 + tv.tv_usec - (timing_test_##id##_stv).tv_usec); \
42	} while (0)
43
44	#else
45	#define TIMING_TEST_START(id) do {} while (0)
46	#define TIMING_TEST_PRINT_RESULT(id) do {} while (0)
47	#endif	35	#endif
48		36
49	/*	37	/*
50	* Pixmap geometry string interpretation :	38	* Pixmap geometry string interpretation :
51	* Each geometry string contains zero or one scale/position	39	* Each geometry string contains zero or one scale/position
52	* adjustment and may optionally be followed by a colon and one or more	40	* adjustment and may optionally be followed by a colon and one or more
53	* colon-delimited pixmap operations.	41	* colon-delimited pixmap operations.
54	* The following table shows the valid geometry strings and their	42	* The following table shows the valid geometry strings and their
55	* effects on the background image :	43	* effects on the background image :
56	*	44	*
57	* WxH+X+Y Set scaling to W% by H%, and position to X% by Y%.	45	* WxH+X+Y Set scaling to W% by H%, and position to X% by Y%.
58	* W and H are percentages of the terminal window size.	46	* W and H are percentages of the terminal window size.
59	* X and Y are also percentages; e.g., +50+50 centers	47	* X and Y are also percentages; e.g., +50+50 centers
60	* the image in the window.	48	* the image in the window.
61	* WxH+X Assumes Y == X
62	* WxH Assumes Y == X == 50 (centers the image)
63	* W+X+Y Assumes H == W
64	* W+X Assumes H == W and Y == X
65	* W Assumes H == W and Y == X == 50
66	*
67	* Adjusting position only :
68	* =+X+Y Set position to X% by Y% (absolute).
69	* =+X Set position to X% by X%.
70	* +X+Y Adjust position horizontally X% and vertically Y%
71	* from current position (relative).
72	* +X Adjust position horizontally X% and vertically X%
73	* from current position.
74	*
75	* Adjusting scale only :
76	* Wx0 Multiply horizontal scaling factor by W%
77	* 0xH Multiply vertical scaling factor by H%
78	* 0x0 No scaling (show image at normal size).
79	*	49	*
80	* Pixmap Operations : (should be prepended by a colon)	50	* Pixmap Operations : (should be prepended by a colon)
81	* tile Tile image. Scaling/position modifiers above will affect	51	* tile Tile image. Scaling/position modifiers above will affect
82	* the tile size and origin.	52	* the tile size and origin.
83	* propscale When scaling, scale proportionally. That is, maintain the	53	* propscale When scaling, scale proportionally. That is, maintain the
84	* proper aspect ratio for the image. Any portion of the	54	* proper aspect ratio for the image. Any portion of the
85	* background not covered by the image is filled with the	55	* background not covered by the image is filled with the
86	* current background color.	56	* current background color.
87	* hscale Scale horizontally, tile vertically ?	57	* hscale Scale horizontally, tile vertically ?
88	* vscale Tile horizontally, scale vertically ?	58	* vscale Tile horizontally, scale vertically ?
89	* scale Scale both up and down	59	* scale Scale both up and down
90	* auto Same as 100x100+50+50	60	* auto Same as 100x100+50+50
91	*/	61	*/
92		62
93	#ifdef HAVE_BG_PIXMAP	63	#ifdef HAVE_BG_PIXMAP
94	bgPixmap_t::bgPixmap_t ()
95	{
96	// this is basically redundant as bgPixmap_t is only used in
97	// zero_initialised-derived structs
98	#ifdef HAVE_AFTERIMAGE
99	original_asim = NULL;
100	#endif
101	#ifdef BG_IMAGE_FROM_FILE
102	have_image = false;
103	h_scale = v_scale = 0;
104	h_align = v_align = 0;
105	#endif
106	flags = 0;
107	pixmap = None;
108	valid_since = invalid_since = 0;
109	target = 0;
110	}
111
112	void	64	void
113	bgPixmap_t::destroy ()	65	rxvt_term::bg_destroy ()
114	{	66	{
115	#ifdef HAVE_AFTERIMAGE	67	#ifdef HAVE_AFTERIMAGE
116	if (original_asim)	68	if (original_asim)
117	safe_asimage_destroy (original_asim);	69	safe_asimage_destroy (original_asim);
		70	if (asv)
		71	destroy_asvisual (asv, 0);
		72	if (asimman)
		73	destroy_image_manager (asimman, 0);
118	#endif	74	#endif
119		75
120	if (pixmap && target)	76	#ifdef HAVE_PIXBUF
		77	if (pixbuf)
		78	g_object_unref (pixbuf);
		79	#endif
		80
		81	if (bg_pixmap)
121	XFreePixmap (target->dpy, pixmap);	82	XFreePixmap (dpy, bg_pixmap);
122	}	83	}
123		84
124	bool	85	bool
125	bgPixmap_t::window_size_sensitive ()	86	rxvt_term::bg_set_position (int x, int y)
		87	{
		88
		89	if (target_x != x
		90	|| target_y != y)
		91	{
		92	target_x = x;
		93	target_y = y;
		94	return true;
		95	}
		96	return false;
		97	}
		98
		99	bool
		100	rxvt_term::bg_window_size_sensitive ()
126	{	101	{
127	# ifdef ENABLE_TRANSPARENCY	102	# ifdef ENABLE_TRANSPARENCY
128	if (flags & isTransparent)	103	if (bg_flags & BG_IS_TRANSPARENT)
129	return true;	104	return true;
130	# endif	105	# endif
131		106
132	# ifdef BG_IMAGE_FROM_FILE	107	# ifdef BG_IMAGE_FROM_FILE
133	if (have_image)	108	if (bg_flags & BG_IS_FROM_FILE)
134	{	109	{
135	if (h_scale != 0 || v_scale != 0	110	if (bg_flags & BG_IS_SIZE_SENSITIVE)
136	|| h_align != 0 || v_align != 0)
137	return true;	111	return true;
138	}	112	}
139	# endif	113	# endif
140		114
141	return false;	115	return false;
142	}	116	}
143		117
144	bool	118	bool
145	bgPixmap_t::window_position_sensitive ()	119	rxvt_term::bg_window_position_sensitive ()
146	{	120	{
147	# ifdef ENABLE_TRANSPARENCY	121	# ifdef ENABLE_TRANSPARENCY
148	if (flags & isTransparent)	122	if (bg_flags & BG_IS_TRANSPARENT)
149	return true;	123	return true;
150	# endif	124	# endif
151		125
152	# ifdef BG_IMAGE_FROM_FILE	126	# ifdef BG_IMAGE_FROM_FILE
153	if (have_image)	127	if (bg_flags & BG_IS_FROM_FILE)
154	{	128	{
155	if (h_align == rootAlign || v_align == rootAlign)	129	if (bg_flags & BG_ROOT_ALIGN)
156	return true;	130	return true;
157	}	131	}
158	# endif	132	# endif
159		133
160	return false;
161	};
162
163	bool bgPixmap_t::need_client_side_rendering ()
164	{
165	# ifdef HAVE_AFTERIMAGE
166	if (original_asim)
167	return true;
168	# endif
169	# ifdef ENABLE_TRANSPARENCY
170	if (flags & isTransparent)
171	{
172	# ifdef HAVE_AFTERIMAGE // can't blur without libAI anyways
173	if ((flags & blurNeeded) && !(flags & blurServerSide))
174	return true;
175	# endif
176	if ((flags & tintNeeded) && !(flags & tintServerSide))
177	return true;
178	}
179	# endif
180	return false;	134	return false;
181	}	135	}
182		136
183	# ifdef BG_IMAGE_FROM_FILE	137	# ifdef BG_IMAGE_FROM_FILE
184	static inline bool	138	static inline bool
…		…
200	static inline bool	154	static inline bool
201	check_set_align_value (int geom_flags, int flag, int &align, int new_value)	155	check_set_align_value (int geom_flags, int flag, int &align, int new_value)
202	{	156	{
203	if (geom_flags & flag)	157	if (geom_flags & flag)
204	{	158	{
205	if (new_value != bgPixmap_t::rootAlign)
206	{
207	if (new_value < -100)	159	if (new_value < -100)
208	new_value = -100;	160	new_value = -100;
209	else if (new_value > 200)	161	else if (new_value > 200)
210	new_value = 200;	162	new_value = 200;
211	}
212	if (new_value != align)	163	if (new_value != align)
213	{	164	{
214	align = new_value;	165	align = new_value;
215	return true;	166	return true;
216	}	167	}
…		…
220		171
221	static inline int	172	static inline int
222	make_align_position (int align, int window_size, int image_size)	173	make_align_position (int align, int window_size, int image_size)
223	{	174	{
224	int diff = window_size - image_size;	175	int diff = window_size - image_size;
225	int smaller = MIN (image_size,window_size);	176	int smaller = min (image_size, window_size);
226		177
227	if (align >= 0 && align <= 50)	178	if (align >= 0 && align <= 100)
228	return diff * align / 100;	179	return diff * align / 100;
229	else if (align > 50 && align <= 100)
230	return window_size - image_size - diff * (100 - align) / 100;
231	else if (align > 100 && align <= 200 )	180	else if (align > 100 && align <= 200)
232	return ((align - 100) * smaller / 100) + window_size - smaller;	181	return ((align - 100) * smaller / 100) + window_size - smaller;
233	else if (align > -100 && align < 0)	182	else if (align >= -100 && align < 0)
234	return ((align + 100) * smaller / 100) - image_size;	183	return ((align + 100) * smaller / 100) - image_size;
235	return 0;	184	return 0;
236	}	185	}
237		186
238	static inline int	187	static inline int
239	make_clip_rectangle (int pos, int size, int target_size, int &dst_pos, int &dst_size)	188	make_clip_rectangle (int pos, int size, int target_size, int &dst_pos, int &dst_size)
240	{	189	{
241	int src_pos = 0;	190	int src_pos = 0;
242	dst_pos = 0;	191	dst_pos = pos;
243	dst_size = size;	192	dst_size = size;
244	if (pos < 0 && size > target_size)	193	if (pos < 0)
245	{	194	{
246	src_pos = -pos;	195	src_pos = -pos;
		196	dst_pos = 0;
247	dst_size += pos;	197	dst_size += pos;
248	}	198	}
249	else if (pos > 0)
250	dst_pos = pos;
251		199
252	if (dst_pos + dst_size > target_size)	200	if (dst_pos + dst_size > target_size)
253	dst_size = target_size - dst_pos;	201	dst_size = target_size - dst_pos;
254	return src_pos;	202	return src_pos;
255	}	203	}
256		204
257	bool	205	bool
258	bgPixmap_t::set_geometry (const char *geom)	206	rxvt_term::bg_set_geometry (const char *geom, bool update)
259	{	207	{
		208	bool changed = false;
260	int geom_flags = 0, changed = 0;	209	int geom_flags = 0;
261	int x = 0, y = 0;	210	int x = 0, y = 0;
262	unsigned int w = 0, h = 0;	211	unsigned int w = 0, h = 0;
263	unsigned int n;	212	unsigned int n;
264	unsigned long new_flags = (flags & (~geometryFlags));	213	unsigned long new_flags = (bg_flags & (~BG_GEOMETRY_FLAGS));
265	const char *p;	214	const char *ops;
266	# define MAXLEN_GEOM 256 /* could be longer than regular geometry string */
267		215
268	if (geom == NULL)	216	if (geom == NULL)
269	return false;	217	return false;
270		218
271	char str[MAXLEN_GEOM];	219	char str[256];
272		220
273	while (isspace(*geom)) ++geom;
274	if ((p = strchr (geom, ';')) == NULL)
275	p = strchr (geom, '\0');	221	ops = strchr (geom, ':');
276		222	if (ops == NULL)
		223	n = strlen (geom);
		224	else
277	n = (p - geom);	225	n = ops - geom;
278	if (n < MAXLEN_GEOM)
279	{
280	char *ops;
281	new_flags |= geometrySet;
282		226
		227	if (n >= sizeof (str))
		228	return false;
		229
283	memcpy (str, geom, n);	230	memcpy (str, geom, n);
284	str[n] = '\0';	231	str[n] = '\0';
285	if (str[0] == ':')	232	rxvt_strtrim (str);
286	ops = &str[0];
287	else if (str[0] != 'x' && str[0] != 'X' && isalpha(str[0]))
288	ops = &str[0];
289	else
290	{
291	char *tmp;
292	ops = strchr (str, ':');
293	if (ops != NULL)
294	{
295	for (tmp = ops-1; tmp >= str && isspace(*tmp); --tmp);
296	*(++tmp) = '\0';
297	if (ops == tmp) ++ops;
298	}
299	}
300		233
301	if (ops > str || ops == NULL)	234	if (str[0])
302	{	235	{
303	/* we have geometry string - let's handle it prior to applying ops */	236	/* we have geometry string - let's handle it prior to applying ops */
304	geom_flags = XParseGeometry (str, &x, &y, &w, &h);	237	geom_flags = XParseGeometry (str, &x, &y, &w, &h);
305
306	if ((geom_flags & XValue) && !(geom_flags & YValue))
307	{
308	y = x;
309	geom_flags |= YValue;
310	}
311
312	if (flags & geometrySet)
313	{
314	/* new geometry is an adjustment to the old one ! */
315	if ((geom_flags & WidthValue) && (geom_flags & HeightValue))
316	{
317	if (w == 0 && h != 0)
318	{
319	w = h_scale;
320	h = (v_scale * h) / 100;
321	}
322	else if (h == 0 && w != 0)
323	{
324	w = (h_scale * w) / 100;
325	h = v_scale;
326	}
327	}
328	if (geom_flags & XValue)
329	{
330	if (str[0] != '=')
331	{
332	y += v_align;
333	x += h_align;
334	}
335	}
336	}
337	else /* setting up geometry from scratch */
338	{
339	if (!(geom_flags & XValue))
340	{
341	/* use default geometry - centered */
342	x = y = defaultAlign;
343	}
344	else if (!(geom_flags & YValue))
345	y = x;
346
347	if ((geom_flags & (WidthValue|HeightValue)) == 0)
348	{
349	/* use default geometry - scaled */
350	w = h = defaultScale;
351	}
352	else if (geom_flags & WidthValue)
353	{
354	if (!(geom_flags & HeightValue))
355	h = w;
356	}
357	else
358	w = h;
359	}
360	} /* done parsing geometry string */	238	} /* done parsing geometry string */
361	else if (!(flags & geometrySet))	239
362	{	240	if (!update)
363	/* default geometry - scaled and centered */	241	{
		242	if (!(geom_flags & XValue))
364	x = y = defaultAlign;	243	x = y = defaultAlign;
		244	else if (!(geom_flags & YValue))
		245	y = x;
		246
		247	if (!(geom_flags & (WidthValue|HeightValue)))
365	w = h = defaultScale;	248	w = h = defaultScale;
366	}	249	else if (!(geom_flags & HeightValue))
		250	h = w;
		251	else if (!(geom_flags & WidthValue))
		252	w = h;
367		253
368	if (!(flags & geometrySet))
369	geom_flags |= WidthValue|HeightValue|XValue|YValue;	254	geom_flags |= WidthValue|HeightValue|XValue|YValue;
		255	}
370		256
371	if (ops)	257	if (ops)
372	{	258	{
373	while (*ops)	259	char **arr = rxvt_strsplit (':', ops + 1);
		260
		261	for (int i = 0; arr[i]; i++)
374	{	262	{
375	while (*ops == ':' || isspace(*ops)) ++ops;	263	if (!strcasecmp (arr[i], "tile"))
376
377	# define CHECK_GEOM_OPS(op_str) (strncasecmp (ops, (op_str), sizeof (op_str) - 1) == 0)
378	if (CHECK_GEOM_OPS ("tile"))
379	{	264	{
380	w = h = noScale;	265	w = h = noScale;
381	geom_flags |= WidthValue|HeightValue;	266	geom_flags |= WidthValue|HeightValue;
382	}	267	}
383	else if (CHECK_GEOM_OPS ("propscale"))	268	else if (!strcasecmp (arr[i], "propscale"))
384	{	269	{
385	if (w == 0 && h == 0)	270	new_flags |= BG_PROP_SCALE;
386	{
387	w = windowScale;
388	geom_flags |= WidthValue;
389	}
390	new_flags |= propScale;
391	}	271	}
392	else if (CHECK_GEOM_OPS ("hscale"))	272	else if (!strcasecmp (arr[i], "hscale"))
393	{	273	{
394	if (w == 0) w = windowScale;	274	if (w == 0) w = windowScale;
395		275
396	h = noScale;	276	h = noScale;
397	geom_flags |= WidthValue|HeightValue;	277	geom_flags |= WidthValue|HeightValue;
398	}	278	}
399	else if (CHECK_GEOM_OPS ("vscale"))	279	else if (!strcasecmp (arr[i], "vscale"))
400	{	280	{
401	if (h == 0) h = windowScale;	281	if (h == 0) h = windowScale;
402		282
403	w = noScale;	283	w = noScale;
404	geom_flags |= WidthValue|HeightValue;	284	geom_flags |= WidthValue|HeightValue;
405	}	285	}
406	else if (CHECK_GEOM_OPS ("scale"))	286	else if (!strcasecmp (arr[i], "scale"))
407	{	287	{
408	if (h == 0) h = windowScale;	288	if (h == 0) h = windowScale;
409	if (w == 0) w = windowScale;	289	if (w == 0) w = windowScale;
410		290
411	geom_flags |= WidthValue|HeightValue;	291	geom_flags |= WidthValue|HeightValue;
412	}	292	}
413	else if (CHECK_GEOM_OPS ("auto"))	293	else if (!strcasecmp (arr[i], "auto"))
414	{	294	{
415	w = h = windowScale;	295	w = h = windowScale;
416	x = y = centerAlign;	296	x = y = centerAlign;
417	geom_flags |= WidthValue|HeightValue|XValue|YValue;	297	geom_flags |= WidthValue|HeightValue|XValue|YValue;
418	}	298	}
419	else if (CHECK_GEOM_OPS ("root"))	299	else if (!strcasecmp (arr[i], "root"))
420	{	300	{
		301	new_flags |= BG_ROOT_ALIGN;
421	w = h = noScale;	302	w = h = noScale;
422	x = y = rootAlign;
423	geom_flags |= WidthValue|HeightValue|XValue|YValue;	303	geom_flags |= WidthValue|HeightValue;
424	}	304	}
425	# undef CHECK_GEOM_OPS
426
427	while (*ops != ':' && *ops != '\0') ++ops;
428	} /* done parsing ops */	305	} /* done parsing ops */
429	}
430		306
		307	rxvt_free_strsplit (arr);
		308	}
		309
431	if (check_set_scale_value (geom_flags, WidthValue, h_scale, w)) ++changed;	310	if (check_set_scale_value (geom_flags, WidthValue, h_scale, w)) changed = true;
432	if (check_set_scale_value (geom_flags, HeightValue, v_scale, h)) ++changed;	311	if (check_set_scale_value (geom_flags, HeightValue, v_scale, h)) changed = true;
433	if (check_set_align_value (geom_flags, XValue, h_align, x)) ++changed;	312	if (check_set_align_value (geom_flags, XValue, h_align, x)) changed = true;
434	if (check_set_align_value (geom_flags, YValue, v_align, y)) ++changed;	313	if (check_set_align_value (geom_flags, YValue, v_align, y)) changed = true;
435	}
436		314
437	if (new_flags != flags)	315	if (new_flags != bg_flags)
438	{	316	{
439	flags = new_flags;	317	bg_flags = new_flags;
440	changed++;	318	changed = true;
441	}	319	}
442		320
443	//fprintf (stderr, "flags = %lX, scale = %ux%u, align=%+d%+d\n",
444	// flags, h_scale, v_scale, h_align, v_align);
445	return (changed > 0);	321	return changed;
		322	}
		323
		324	void
		325	rxvt_term::get_image_geometry (int image_width, int image_height, int &w, int &h, int &x, int &y)
		326	{
		327	int target_width = szHint.width;
		328	int target_height = szHint.height;
		329
		330	if (bg_flags & BG_PROP_SCALE)
		331	{
		332	float scale = (float)target_width / image_width;
		333	min_it (scale, (float)target_height / image_height);
		334	w = image_width * scale + 0.5;
		335	h = image_height * scale + 0.5;
		336	}
		337	else
		338	{
		339	w = h_scale * target_width / 100;
		340	h = v_scale * target_height / 100;
		341	}
		342
		343	if (!w) w = image_width;
		344	if (!h) h = image_height;
		345
		346	if (bg_flags & BG_ROOT_ALIGN)
		347	{
		348	x = -target_x;
		349	y = -target_y;
		350	}
		351	else
		352	{
		353	x = make_align_position (h_align, target_width, w);
		354	y = make_align_position (v_align, target_height, h);
		355	}
		356
		357	bg_flags &= ~BG_IS_SIZE_SENSITIVE;
		358	if ((bg_flags & BG_PROP_SCALE) || h_scale || v_scale
		359	|| (!(bg_flags & BG_ROOT_ALIGN) && (h_align || v_align))
		360	|| w > target_width || h > target_height)
		361	bg_flags |= BG_IS_SIZE_SENSITIVE;
446	}	362	}
447		363
448	# ifdef HAVE_AFTERIMAGE	364	# ifdef HAVE_AFTERIMAGE
449	bool	365	bool
450	bgPixmap_t::render_image (unsigned long background_flags)	366	rxvt_term::render_image (unsigned long tr_flags)
451	{	367	{
452	if (target == NULL)
453	return false;
454
455	target->init_asv ();	368	init_asv ();
456		369
457	ASImage *background = NULL;	370	ASImage *background = NULL;
458	ARGB32 background_tint = TINT_LEAVE_SAME;	371	ARGB32 background_tint = TINT_LEAVE_SAME;
459		372
460	# ifdef ENABLE_TRANSPARENCY	373	# ifdef ENABLE_TRANSPARENCY
461	if (background_flags)	374	if (tr_flags)
462	background = pixmap2ximage (target->asv, pixmap, 0, 0, pmap_width, pmap_height, AllPlanes, 100);	375	background = pixmap2ximage (asv, bg_pixmap, 0, 0, bg_pmap_width, bg_pmap_height, AllPlanes, 100);
463		376
464	if (!(background_flags & transpPmapTinted) && (flags & tintNeeded))	377	if (tr_flags & BG_NEEDS_TINT)
465	{	378	{
466	ShadingInfo as_shade;	379	ShadingInfo as_shade;
467	as_shade.shading = (shade == 0) ? 100 : shade;	380	as_shade.shading = shade;
468		381
469	rgba c (rgba::MAX_CC,rgba::MAX_CC,rgba::MAX_CC);	382	rgba c (rgba::MAX_CC,rgba::MAX_CC,rgba::MAX_CC);
470	if (flags & tintSet)	383	if (bg_flags & BG_TINT_SET)
471	tint.get (c);	384	tint.get (c);
472	as_shade.tintColor.red = c.r;	385	as_shade.tintColor.red = c.r;
473	as_shade.tintColor.green = c.g;	386	as_shade.tintColor.green = c.g;
474	as_shade.tintColor.blue = c.b;	387	as_shade.tintColor.blue = c.b;
475		388
476	background_tint = shading2tint32 (&as_shade);	389	background_tint = shading2tint32 (&as_shade);
477	}	390	}
478		391
479	if (!(background_flags & transpPmapBlured) && (flags & blurNeeded) && background != NULL)	392	if ((tr_flags & BG_NEEDS_BLUR) && background != NULL)
480	{	393	{
481	ASImage *tmp = blur_asimage_gauss (target->asv, background, h_blurRadius, v_blurRadius, 0xFFFFFFFF,	394	ASImage *tmp = blur_asimage_gauss (asv, background, h_blurRadius, v_blurRadius, 0xFFFFFFFF,
482	(original_asim == NULL || tint == TINT_LEAVE_SAME) ? ASA_XImage : ASA_ASImage,	395	(original_asim == NULL || tint == TINT_LEAVE_SAME) ? ASA_XImage : ASA_ASImage,
483	100, ASIMAGE_QUALITY_DEFAULT);	396	100, ASIMAGE_QUALITY_DEFAULT);
484	if (tmp)	397	if (tmp)
485	{	398	{
486	destroy_asimage (&background);	399	destroy_asimage (&background);
…		…
489	}	402	}
490	# endif	403	# endif
491		404
492	ASImage *result = 0;	405	ASImage *result = 0;
493		406
494	int target_width = target->szHint.width;	407	int target_width = szHint.width;
495	int target_height = target->szHint.height;	408	int target_height = szHint.height;
496	int new_pmap_width = target_width;	409	int new_pmap_width = target_width;
497	int new_pmap_height = target_height;	410	int new_pmap_height = target_height;
498		411
499	int x = 0;	412	int x = 0;
500	int y = 0;	413	int y = 0;
501	int w = h_scale * target_width / 100;	414	int w = 0;
502	int h = v_scale * target_height / 100;	415	int h = 0;
503
504	TIMING_TEST_START (asim);
505		416
506	if (original_asim)	417	if (original_asim)
507	{	418	get_image_geometry (original_asim->width, original_asim->height, w, h, x, y);
508	if (h_align == rootAlign || v_align == rootAlign)
509	{
510	target->get_window_origin (x, y);
511	x = -x;
512	y = -y;
513	}
514
515	if (h_align != rootAlign)
516	x = make_align_position (h_align, target_width, w > 0 ? w : (int)original_asim->width);
517
518	if (v_align != rootAlign)
519	y = make_align_position (v_align, target_height, h > 0 ? h : (int)original_asim->height);
520	}
521		419
522	if (!original_asim	420	if (!original_asim
		421	|| (!(bg_flags & BG_ROOT_ALIGN)
523	|| x >= target_width	422	&& (x >= target_width
524	|| y >= target_height	423	|| y >= target_height
525	|| (w > 0 && x + w <= 0)	424	|| (x + w <= 0)
526	|| (h > 0 && y + h <= 0))	425	|| (y + h <= 0))))
527	{	426	{
528	if (background)	427	if (background)
529	{	428	{
530	new_pmap_width = background->width;	429	new_pmap_width = background->width;
531	new_pmap_height = background->height;	430	new_pmap_height = background->height;
532	result = background;	431	result = background;
533		432
534	if (background_tint != TINT_LEAVE_SAME)	433	if (background_tint != TINT_LEAVE_SAME)
535	{	434	{
536	ASImage *tmp = tile_asimage (target->asv, background, 0, 0,	435	ASImage *tmp = tile_asimage (asv, background, 0, 0,
537	target_width, target_height, background_tint,	436	target_width, target_height, background_tint,
538	ASA_XImage, 100, ASIMAGE_QUALITY_DEFAULT);	437	ASA_XImage, 100, ASIMAGE_QUALITY_DEFAULT);
539	if (tmp)	438	if (tmp)
540	result = tmp;	439	result = tmp;
541	}	440	}
…		…
545	}	444	}
546	else	445	else
547	{	446	{
548	result = original_asim;	447	result = original_asim;
549		448
550	if ((w > 0 && w != original_asim->width)	449	if ((w != original_asim->width)
551	|| (h > 0 && h != original_asim->height))	450	|| (h != original_asim->height))
552	{	451	{
553	result = scale_asimage (target->asv, original_asim,	452	result = scale_asimage (asv, original_asim,
554	w > 0 ? w : original_asim->width,	453	w, h,
555	h > 0 ? h : original_asim->height,
556	background ? ASA_ASImage : ASA_XImage,	454	background ? ASA_ASImage : ASA_XImage,
557	100, ASIMAGE_QUALITY_DEFAULT);	455	100, ASIMAGE_QUALITY_DEFAULT);
558	}	456	}
559		457
560	if (background == NULL)	458	if (background == NULL)
561	{	459	{
562	/* if tiling - pixmap has to be sized exactly as the image,
563	but there is no need to make it bigger than the window! */
564	if (h_scale == 0)
565	new_pmap_width = min (result->width, target_width);
566	if (v_scale == 0)
567	new_pmap_height = min (result->height, target_height);
568	/* we also need to tile our image in one or both directions */
569	if (h_scale == 0 || v_scale == 0)	460	if (h_scale == 0 || v_scale == 0)
570	{	461	{
		462	/* if tiling - pixmap has to be sized exactly as the image,
		463	but there is no need to make it bigger than the window! */
		464	new_pmap_width = min (result->width, target_width);
		465	new_pmap_height = min (result->height, target_height);
		466
		467	/* we also need to tile our image in both directions */
571	ASImage *tmp = tile_asimage (target->asv, result,	468	ASImage *tmp = tile_asimage (asv, result,
572	(h_scale > 0) ? 0 : (int)result->width - x,	469	(int)result->width - x,
573	(v_scale > 0) ? 0 : (int)result->height - y,	470	(int)result->height - y,
574	new_pmap_width,	471	new_pmap_width,
575	new_pmap_height,	472	new_pmap_height,
576	TINT_LEAVE_SAME, ASA_XImage,	473	TINT_LEAVE_SAME, ASA_XImage,
577	100, ASIMAGE_QUALITY_DEFAULT);	474	100, ASIMAGE_QUALITY_DEFAULT);
578	if (tmp)	475	if (tmp)
…		…
593	layers[0].clip_width = target_width;	490	layers[0].clip_width = target_width;
594	layers[0].clip_height = target_height;	491	layers[0].clip_height = target_height;
595	layers[0].tint = background_tint;	492	layers[0].tint = background_tint;
596	layers[1].im = result;	493	layers[1].im = result;
597		494
598	if (w <= 0)	495	if (h_scale == 0 || v_scale == 0)
599	{	496	{
600	/* tile horizontally */	497	/* tile horizontally */
601	while (x > 0) x -= (int)result->width;	498	while (x > 0) x -= (int)result->width;
602	layers[1].dst_x = x;	499	layers[1].dst_x = x;
603	layers[1].clip_width = result->width+target_width;	500	layers[1].clip_width = result->width+target_width;
…		…
607	/* clip horizontally */	504	/* clip horizontally */
608	layers[1].dst_x = x;	505	layers[1].dst_x = x;
609	layers[1].clip_width = result->width;	506	layers[1].clip_width = result->width;
610	}	507	}
611		508
612	if (h <= 0)	509	if (h_scale == 0 || v_scale == 0)
613	{	510	{
614	while (y > 0) y -= (int)result->height;	511	while (y > 0) y -= (int)result->height;
615	layers[1].dst_y = y;	512	layers[1].dst_y = y;
616	layers[1].clip_height = result->height + target_height;	513	layers[1].clip_height = result->height + target_height;
617	}	514	}
…		…
619	{	516	{
620	layers[1].dst_y = y;	517	layers[1].dst_y = y;
621	layers[1].clip_height = result->height;	518	layers[1].clip_height = result->height;
622	}	519	}
623		520
624	if (target->rs[Rs_blendtype])	521	if (rs[Rs_blendtype])
625	{	522	{
626	layers[1].merge_scanlines = blend_scanlines_name2func (target->rs[Rs_blendtype]);	523	layers[1].merge_scanlines = blend_scanlines_name2func (rs[Rs_blendtype]);
627	if (layers[1].merge_scanlines == NULL)	524	if (layers[1].merge_scanlines == NULL)
628	layers[1].merge_scanlines = alphablend_scanlines;	525	layers[1].merge_scanlines = alphablend_scanlines;
629	}	526	}
630		527
631	ASImage *tmp = merge_layers (target->asv, layers, 2, target_width, target_height,	528	ASImage *tmp = merge_layers (asv, layers, 2, target_width, target_height,
632	ASA_XImage, 0, ASIMAGE_QUALITY_DEFAULT);	529	ASA_XImage, 0, ASIMAGE_QUALITY_DEFAULT);
633		530
634	if (tmp)	531	if (tmp)
635	{	532	{
636	if (result != original_asim)	533	if (result != original_asim)
…		…
640	}	537	}
641		538
642	free (layers);	539	free (layers);
643	}	540	}
644	}	541	}
645	TIMING_TEST_PRINT_RESULT (asim);
646		542
647	bool ret = false;	543	bool ret = false;
648		544
649	if (result)	545	if (result)
650	{	546	{
651	XGCValues gcv;	547	XGCValues gcv;
652	GC gc;	548	GC gc;
653		549
654	if (pixmap)
655	{
656	if (pmap_width != new_pmap_width
657	|| pmap_height != new_pmap_height
658	|| pmap_depth != target->depth)
659	{
660	XFreePixmap (target->dpy, pixmap);
661	pixmap = None;
662	}
663	}
664
665	/* create Pixmap */	550	/* create Pixmap */
666	if (pixmap == None)	551	if (bg_pixmap == None
		552	|| bg_pmap_width != new_pmap_width
		553	|| bg_pmap_height != new_pmap_height)
667	{	554	{
		555	if (bg_pixmap)
		556	XFreePixmap (dpy, bg_pixmap);
668	pixmap = XCreatePixmap (target->dpy, target->vt, new_pmap_width, new_pmap_height, target->depth);	557	bg_pixmap = XCreatePixmap (dpy, vt, new_pmap_width, new_pmap_height, depth);
669	pmap_width = new_pmap_width;	558	bg_pmap_width = new_pmap_width;
670	pmap_height = new_pmap_height;	559	bg_pmap_height = new_pmap_height;
671	pmap_depth = target->depth;
672	}	560	}
673	/* fill with background color (if result's not completely overlapping it) */	561	/* fill with background color (if result's not completely overlapping it) */
674	gcv.foreground = target->pix_colors[Color_bg];	562	gcv.foreground = pix_colors[Color_bg];
675	gc = XCreateGC (target->dpy, target->vt, GCForeground, &gcv);	563	gc = XCreateGC (dpy, vt, GCForeground, &gcv);
676		564
677	int src_x = 0, src_y = 0, dst_x = 0, dst_y = 0;	565	int src_x = 0, src_y = 0, dst_x = 0, dst_y = 0;
678	int dst_width = result->width, dst_height = result->height;	566	int dst_width = result->width, dst_height = result->height;
679	if (background == NULL)	567	if (background == NULL)
680	{	568	{
		569	if (!(h_scale == 0 || v_scale == 0))
		570	{
681	if (h_scale > 0) src_x = make_clip_rectangle (x, result->width , new_pmap_width , dst_x, dst_width );	571	src_x = make_clip_rectangle (x, result->width , new_pmap_width , dst_x, dst_width );
682	if (v_scale > 0) src_y = make_clip_rectangle (y, result->height, new_pmap_height, dst_y, dst_height);	572	src_y = make_clip_rectangle (y, result->height, new_pmap_height, dst_y, dst_height);
		573	}
683		574
684	if (dst_x > 0 || dst_y > 0	575	if (dst_x > 0 || dst_y > 0
685	|| dst_x + dst_width < new_pmap_width	576	|| dst_x + dst_width < new_pmap_width
686	|| dst_y + dst_height < new_pmap_height)	577	|| dst_y + dst_height < new_pmap_height)
687	XFillRectangle (target->dpy, pixmap, gc, 0, 0, new_pmap_width, new_pmap_height);	578	XFillRectangle (dpy, bg_pixmap, gc, 0, 0, new_pmap_width, new_pmap_height);
688	}	579	}
689		580
690	/* put result on pixmap */	581	/* put result on pixmap */
691	if (dst_x < new_pmap_width && dst_y < new_pmap_height)	582	if (dst_x < new_pmap_width && dst_y < new_pmap_height)
692	asimage2drawable (target->asv, pixmap, result, gc, src_x, src_y, dst_x, dst_y, dst_width, dst_height, True);	583	asimage2drawable (asv, bg_pixmap, result, gc, src_x, src_y, dst_x, dst_y, dst_width, dst_height, True);
693		584
694	if (result != background && result != original_asim)	585	if (result != background && result != original_asim)
695	destroy_asimage (&result);	586	destroy_asimage (&result);
696		587
697	XFreeGC (target->dpy, gc);	588	XFreeGC (dpy, gc);
698	TIMING_TEST_PRINT_RESULT (asim);
699		589
700	ret = true;	590	ret = true;
701	}	591	}
702		592
703	if (background)	593	if (background)
…		…
705		595
706	return ret;	596	return ret;
707	}	597	}
708	# endif /* HAVE_AFTERIMAGE */	598	# endif /* HAVE_AFTERIMAGE */
709		599
		600	# ifdef HAVE_PIXBUF
710	bool	601	bool
711	bgPixmap_t::set_file (const char *file)	602	rxvt_term::pixbuf_to_pixmap (GdkPixbuf *pixbuf, Pixmap pixmap, GC gc,
		603	int src_x, int src_y, int dst_x, int dst_y,
		604	unsigned int width, unsigned int height)
712	{	605	{
713	assert (file);	606	XImage *ximage;
		607	char *data, *line;
		608	int bytes_per_pixel;
		609	int width_r, width_g, width_b;
		610	int sh_r, sh_g, sh_b;
		611	int rowstride;
		612	int channels;
		613	unsigned char *row;
714		614
715	if (*file)	615	if (visual->c_class != TrueColor)
		616	return false;
		617
		618	if (depth == 24 || depth == 32)
		619	bytes_per_pixel = 4;
		620	else if (depth == 15 || depth == 16)
		621	bytes_per_pixel = 2;
		622	else
		623	return false;
		624
		625	width_r = rxvt_popcount (visual->red_mask);
		626	width_g = rxvt_popcount (visual->green_mask);
		627	width_b = rxvt_popcount (visual->blue_mask);
		628
		629	if (width_r > 8 || width_g > 8 || width_b > 8)
		630	return false;
		631
		632	sh_r = rxvt_ctz (visual->red_mask);
		633	sh_g = rxvt_ctz (visual->green_mask);
		634	sh_b = rxvt_ctz (visual->blue_mask);
		635
		636	if (width > INT_MAX / height / bytes_per_pixel)
		637	return false;
		638
		639	data = (char *)malloc (width * height * bytes_per_pixel);
		640	if (!data)
		641	return false;
		642
		643	ximage = XCreateImage (dpy, visual, depth, ZPixmap, 0, data,
		644	width, height, bytes_per_pixel * 8, 0);
		645	if (!ximage)
		646	{
		647	free (data);
		648	return false;
716	{	649	}
		650
		651	ximage->byte_order = byteorder::big_endian () ? MSBFirst : LSBFirst;
		652
		653	rowstride = gdk_pixbuf_get_rowstride (pixbuf);
		654	channels = gdk_pixbuf_get_n_channels (pixbuf);
		655	row = gdk_pixbuf_get_pixels (pixbuf) + src_y * rowstride + src_x * channels;
		656	line = data;
		657
		658	for (int y = 0; y < height; y++)
		659	{
		660	for (int x = 0; x < width; x++)
		661	{
		662	unsigned char *pixel = row + x * channels;
		663	uint32_t value;
		664
		665	value = ((pixel[0] >> (8 - width_r)) << sh_r)
		666	| ((pixel[1] >> (8 - width_g)) << sh_g)
		667	| ((pixel[2] >> (8 - width_b)) << sh_b);
		668
		669	if (bytes_per_pixel == 4)
		670	((uint32_t *)line)[x] = value;
		671	else
		672	((uint16_t *)line)[x] = value;
		673	}
		674
		675	row += rowstride;
		676	line += ximage->bytes_per_line;
		677	}
		678
		679	XPutImage (dpy, pixmap, gc, ximage, 0, 0, dst_x, dst_y, width, height);
		680	XDestroyImage (ximage);
		681	return true;
		682	}
		683
		684	bool
		685	rxvt_term::render_image (unsigned long tr_flags)
		686	{
		687	if (!pixbuf)
		688	return false;
		689
		690	if (tr_flags
		691	&& !(bg_flags & BG_HAS_RENDER))
		692	return false;
		693
		694	GdkPixbuf *result;
		695
		696	int image_width = gdk_pixbuf_get_width (pixbuf);
		697	int image_height = gdk_pixbuf_get_height (pixbuf);
		698
		699	int target_width = szHint.width;
		700	int target_height = szHint.height;
		701	int new_pmap_width = target_width;
		702	int new_pmap_height = target_height;
		703
		704	int x = 0;
		705	int y = 0;
		706	int w = 0;
		707	int h = 0;
		708
		709	get_image_geometry (image_width, image_height, w, h, x, y);
		710
		711	if (!(bg_flags & BG_ROOT_ALIGN)
		712	&& (x >= target_width
		713	|| y >= target_height
		714	|| (x + w <= 0)
		715	|| (y + h <= 0)))
		716	return false;
		717
		718	result = pixbuf;
		719
		720	if ((w != image_width)
		721	|| (h != image_height))
		722	{
		723	result = gdk_pixbuf_scale_simple (pixbuf,
		724	w, h,
		725	GDK_INTERP_BILINEAR);
		726	}
		727
		728	bool ret = false;
		729
		730	if (result)
		731	{
		732	XGCValues gcv;
		733	GC gc;
		734	Pixmap root_pmap;
		735
		736	image_width = gdk_pixbuf_get_width (result);
		737	image_height = gdk_pixbuf_get_height (result);
		738
		739	if (tr_flags)
		740	{
		741	root_pmap = bg_pixmap;
		742	bg_pixmap = None;
		743	}
		744	else
		745	{
		746	if (h_scale == 0 || v_scale == 0)
		747	{
		748	new_pmap_width = min (image_width, target_width);
		749	new_pmap_height = min (image_height, target_height);
		750	}
		751	}
		752
		753	if (bg_pixmap == None
		754	|| bg_pmap_width != new_pmap_width
		755	|| bg_pmap_height != new_pmap_height)
		756	{
		757	if (bg_pixmap)
		758	XFreePixmap (dpy, bg_pixmap);
		759	bg_pixmap = XCreatePixmap (dpy, vt, new_pmap_width, new_pmap_height, depth);
		760	bg_pmap_width = new_pmap_width;
		761	bg_pmap_height = new_pmap_height;
		762	}
		763
		764	gcv.foreground = pix_colors[Color_bg];
		765	gc = XCreateGC (dpy, vt, GCForeground, &gcv);
		766
		767	if (h_scale == 0 || v_scale == 0)
		768	{
		769	Pixmap tile = XCreatePixmap (dpy, vt, image_width, image_height, depth);
		770	pixbuf_to_pixmap (result, tile, gc,
		771	0, 0,
		772	0, 0,
		773	image_width, image_height);
		774
		775	gcv.tile = tile;
		776	gcv.fill_style = FillTiled;
		777	gcv.ts_x_origin = x;
		778	gcv.ts_y_origin = y;
		779	XChangeGC (dpy, gc, GCFillStyle | GCTile | GCTileStipXOrigin | GCTileStipYOrigin, &gcv);
		780
		781	XFillRectangle (dpy, bg_pixmap, gc, 0, 0, new_pmap_width, new_pmap_height);
		782	XFreePixmap (dpy, tile);
		783	}
		784	else
		785	{
		786	int src_x, src_y, dst_x, dst_y;
		787	int dst_width, dst_height;
		788
		789	src_x = make_clip_rectangle (x, image_width , new_pmap_width , dst_x, dst_width );
		790	src_y = make_clip_rectangle (y, image_height, new_pmap_height, dst_y, dst_height);
		791
		792	if (dst_x > 0 || dst_y > 0
		793	|| dst_x + dst_width < new_pmap_width
		794	|| dst_y + dst_height < new_pmap_height)
		795	XFillRectangle (dpy, bg_pixmap, gc, 0, 0, new_pmap_width, new_pmap_height);
		796
		797	if (dst_x < new_pmap_width && dst_y < new_pmap_height)
		798	pixbuf_to_pixmap (result, bg_pixmap, gc,
		799	src_x, src_y,
		800	dst_x, dst_y,
		801	dst_width, dst_height);
		802	}
		803
		804	#if XRENDER
		805	if (tr_flags)
		806	{
		807	XRenderPictureAttributes pa;
		808
		809	XRenderPictFormat *src_format = XRenderFindVisualFormat (dpy, visual);
		810	Picture src = XRenderCreatePicture (dpy, root_pmap, src_format, 0, &pa);
		811
		812	XRenderPictFormat *dst_format = XRenderFindVisualFormat (dpy, visual);
		813	Picture dst = XRenderCreatePicture (dpy, bg_pixmap, dst_format, 0, &pa);
		814
		815	pa.repeat = True;
		816	Pixmap mask_pmap = XCreatePixmap (dpy, vt, 1, 1, 8);
		817	XRenderPictFormat *mask_format = XRenderFindStandardFormat (dpy, PictStandardA8);
		818	Picture mask = XRenderCreatePicture (dpy, mask_pmap, mask_format, CPRepeat, &pa);
		819	XFreePixmap (dpy, mask_pmap);
		820
		821	if (src && dst && mask)
		822	{
		823	XRenderColor mask_c;
		824
		825	mask_c.alpha = 0x8000;
		826	mask_c.red = 0;
		827	mask_c.green = 0;
		828	mask_c.blue = 0;
		829	XRenderFillRectangle (dpy, PictOpSrc, mask, &mask_c, 0, 0, 1, 1);
		830	XRenderComposite (dpy, PictOpOver, src, mask, dst, 0, 0, 0, 0, 0, 0, target_width, target_height);
		831	}
		832
		833	XRenderFreePicture (dpy, src);
		834	XRenderFreePicture (dpy, dst);
		835	XRenderFreePicture (dpy, mask);
		836
		837	XFreePixmap (dpy, root_pmap);
		838	}
		839	#endif
		840
		841	if (result != pixbuf)
		842	g_object_unref (result);
		843
		844	XFreeGC (dpy, gc);
		845
		846	ret = true;
		847	}
		848
		849	return ret;
		850	}
		851	# endif /* HAVE_PIXBUF */
		852
		853	bool
		854	rxvt_term::bg_set_file (const char *file)
		855	{
		856	if (!file || !*file)
		857	return false;
		858
717	if (const char *p = strchr (file, ';'))	859	if (const char *p = strchr (file, ';'))
718	{	860	{
719	size_t len = p - file;	861	size_t len = p - file;
720	char *f = rxvt_temp_buf<char> (len + 1);	862	char *f = rxvt_temp_buf<char> (len + 1);
721	memcpy (f, file, len);	863	memcpy (f, file, len);
722	f[len] = '\0';	864	f[len] = '\0';
723	file = f;	865	file = f;
724	}	866	}
725		867
726	# ifdef HAVE_AFTERIMAGE	868	# ifdef HAVE_AFTERIMAGE
727	if (!target->asimman)	869	if (!asimman)
728	target->asimman = create_generic_imageman (target->rs[Rs_path]);	870	asimman = create_generic_imageman (rs[Rs_path]);
729	original_asim = get_asimage (target->asimman, file, 0xFFFFFFFF, 100);	871	ASImage *image = get_asimage (asimman, file, 0xFFFFFFFF, 100);
		872	if (image)
		873	{
730	if (original_asim)	874	if (original_asim)
731	have_image = true;	875	safe_asimage_destroy (original_asim);
732	return have_image;	876	original_asim = image;
		877	bg_flags |= BG_IS_FROM_FILE | BG_CLIENT_RENDER;
		878	return true;
		879	}
733	# endif	880	# endif
		881
		882	# ifdef HAVE_PIXBUF
		883	GdkPixbuf *image = gdk_pixbuf_new_from_file (file, NULL);
		884	if (image)
734	}	885	{
		886	if (pixbuf)
		887	g_object_unref (pixbuf);
		888	pixbuf = image;
		889	bg_flags |= BG_IS_FROM_FILE;
		890	return true;
		891	}
		892	# endif
735		893
736	return false;	894	return false;
737	}	895	}
738		896
739	# endif /* BG_IMAGE_FROM_FILE */	897	# endif /* BG_IMAGE_FROM_FILE */
740		898
741	# ifdef ENABLE_TRANSPARENCY	899	# ifdef ENABLE_TRANSPARENCY
742	bool	900	bool
743	bgPixmap_t::set_transparent ()	901	rxvt_term::bg_set_transparent ()
744	{	902	{
745	if (!(flags & isTransparent))	903	if (!(bg_flags & BG_IS_TRANSPARENT))
746	{	904	{
747	flags |= isTransparent;	905	bg_flags |= BG_IS_TRANSPARENT;
748	return true;	906	return true;
749	}	907	}
750		908
751	return false;	909	return false;
752	}	910	}
753		911
754	bool	912	bool
755	bgPixmap_t::set_blur_radius (const char *geom)	913	rxvt_term::bg_set_blur (const char *geom)
756	{	914	{
757	int changed = 0;	915	bool changed = false;
758	unsigned int hr, vr;	916	unsigned int hr, vr;
759	int junk;	917	int junk;
760	int geom_flags = XParseGeometry (geom, &junk, &junk, &hr, &vr);	918	int geom_flags = XParseGeometry (geom, &junk, &junk, &hr, &vr);
761		919
762	if (!(geom_flags & WidthValue))	920	if (!(geom_flags & WidthValue))
763	hr = 1;	921	hr = 1;
764	if (!(geom_flags & HeightValue))	922	if (!(geom_flags & HeightValue))
765	vr = hr;	923	vr = hr;
766		924
		925	min_it (hr, 128);
		926	min_it (vr, 128);
		927
767	if (h_blurRadius != hr)	928	if (h_blurRadius != hr)
768	{	929	{
769	++changed;	930	changed = true;
770	h_blurRadius = hr;	931	h_blurRadius = hr;
771	}	932	}
772		933
773	if (v_blurRadius != vr)	934	if (v_blurRadius != vr)
774	{	935	{
775	++changed;	936	changed = true;
776	v_blurRadius = vr;	937	v_blurRadius = vr;
777	}	938	}
778		939
779	if (v_blurRadius == 0 && h_blurRadius == 0)	940	if (v_blurRadius == 0 && h_blurRadius == 0)
780	flags &= ~blurNeeded;	941	bg_flags &= ~BG_NEEDS_BLUR;
781	else	942	else
782	flags |= blurNeeded;	943	bg_flags |= BG_NEEDS_BLUR;
783		944
784	return (changed > 0);	945	return changed;
785	}	946	}
786		947
787	static inline unsigned long	948	void
788	compute_tint_shade_flags (rxvt_color *tint, int shade)	949	rxvt_term::set_tint_shade_flags ()
789	{	950	{
790	unsigned long flags = 0;
791	rgba c (rgba::MAX_CC,rgba::MAX_CC,rgba::MAX_CC);	951	rgba c (rgba::MAX_CC,rgba::MAX_CC,rgba::MAX_CC);
792	bool has_shade = (shade > 0 && shade < 100) || (shade > 100 && shade < 200);	952	bool has_shade = shade != 100;
793		953
794	if (tint)	954	bg_flags &= ~BG_TINT_FLAGS;
		955
		956	if (bg_flags & BG_TINT_SET)
795	{	957	{
796	tint->get (c);	958	tint.get (c);
797	# define IS_COMPONENT_WHOLESOME(cmp) ((cmp) <= 0x000700 || (cmp) >= 0x00f700)
798	if (!has_shade && IS_COMPONENT_WHOLESOME (c.r)
799	&& IS_COMPONENT_WHOLESOME (c.g)
800	&& IS_COMPONENT_WHOLESOME (c.b))
801	flags |= bgPixmap_t::tintWholesome;
802	# undef IS_COMPONENT_WHOLESOME
803	}
804
805	if (has_shade)	959	if (!has_shade
806	flags |= bgPixmap_t::tintNeeded;	960	&& (c.r <= 0x00ff || c.r >= 0xff00)
807	else if (tint)	961	&& (c.g <= 0x00ff || c.g >= 0xff00)
		962	&& (c.b <= 0x00ff || c.b >= 0xff00))
		963	bg_flags |= BG_TINT_BITAND;
808	{	964	}
809	if ((c.r > 0x000700 || c.g > 0x000700 || c.b > 0x000700)	965
810	&& (c.r < 0x00f700 || c.g < 0x00f700 || c.b < 0x00f700))	966	if (has_shade || (bg_flags & BG_TINT_SET))
811	{	967	bg_flags |= BG_NEEDS_TINT;
812	flags |= bgPixmap_t::tintNeeded;	968	}
		969
		970	bool
		971	rxvt_term::bg_set_tint (rxvt_color &new_tint)
		972	{
		973	if (!(bg_flags & BG_TINT_SET) || tint != new_tint)
		974	{
		975	tint = new_tint;
		976	bg_flags |= BG_TINT_SET;
		977	set_tint_shade_flags ();
		978	return true;
		979	}
		980
		981	return false;
		982	}
		983
		984	bool
		985	rxvt_term::bg_set_shade (const char *shade_str)
		986	{
		987	int new_shade = (shade_str) ? atoi (shade_str) : 100;
		988
		989	clamp_it (new_shade, -100, 200);
		990	if (new_shade < 0)
		991	new_shade = 200 - (100 + new_shade);
		992
		993	if (new_shade != shade)
		994	{
		995	shade = new_shade;
		996	set_tint_shade_flags ();
		997	return true;
		998	}
		999
		1000	return false;
		1001	}
		1002
		1003	#if XRENDER
		1004	static void
		1005	get_gaussian_kernel (int radius, int width, double *kernel, XFixed *params)
		1006	{
		1007	double sigma = radius / 2.0;
		1008	double scale = sqrt (2.0 * M_PI) * sigma;
		1009	double sum = 0.0;
		1010
		1011	for (int i = 0; i < width; i++)
		1012	{
		1013	double x = i - width / 2;
		1014	kernel[i] = exp (-(x * x) / (2.0 * sigma * sigma)) / scale;
		1015	sum += kernel[i];
		1016	}
		1017
		1018	params[0] = XDoubleToFixed (width);
		1019	params[1] = XDoubleToFixed (1);
		1020
		1021	for (int i = 0; i < width; i++)
		1022	params[i+2] = XDoubleToFixed (kernel[i] / sum);
		1023	}
		1024	#endif
		1025
		1026	bool
		1027	rxvt_term::blur_pixmap (Pixmap pixmap, Visual *visual, int width, int height)
		1028	{
		1029	bool ret = false;
		1030	#if XRENDER
		1031	int size = max (h_blurRadius, v_blurRadius) * 2 + 1;
		1032	double *kernel = (double *)malloc (size * sizeof (double));
		1033	XFixed *params = (XFixed *)malloc ((size + 2) * sizeof (XFixed));
		1034
		1035	XRenderPictureAttributes pa;
		1036	XRenderPictFormat *format = XRenderFindVisualFormat (dpy, visual);
		1037
		1038	Picture src = XRenderCreatePicture (dpy, pixmap, format, 0, &pa);
		1039	Picture dst = XRenderCreatePicture (dpy, pixmap, format, 0, &pa);
		1040
		1041	if (kernel && params && src && dst)
		1042	{
		1043	if (h_blurRadius)
813	}	1044	{
814	}	1045	size = h_blurRadius * 2 + 1;
		1046	get_gaussian_kernel (h_blurRadius, size, kernel, params);
815		1047
816	if (flags & bgPixmap_t::tintNeeded)	1048	XRenderSetPictureFilter (dpy, src, FilterConvolution, params, size+2);
		1049	XRenderComposite (dpy,
		1050	PictOpSrc,
		1051	src,
		1052	None,
		1053	dst,
		1054	0, 0,
		1055	0, 0,
		1056	0, 0,
		1057	width, height);
		1058	}
		1059
		1060	if (v_blurRadius)
		1061	{
		1062	size = v_blurRadius * 2 + 1;
		1063	get_gaussian_kernel (v_blurRadius, size, kernel, params);
		1064	::swap (params[0], params[1]);
		1065
		1066	XRenderSetPictureFilter (dpy, src, FilterConvolution, params, size+2);
		1067	XRenderComposite (dpy,
		1068	PictOpSrc,
		1069	src,
		1070	None,
		1071	dst,
		1072	0, 0,
		1073	0, 0,
		1074	0, 0,
		1075	width, height);
		1076	}
		1077
		1078	ret = true;
817	{	1079	}
818	if (flags & bgPixmap_t::tintWholesome)	1080
819	flags |= bgPixmap_t::tintServerSide;	1081	free (kernel);
		1082	free (params);
		1083	XRenderFreePicture (dpy, src);
		1084	XRenderFreePicture (dpy, dst);
		1085	#endif
		1086	return ret;
		1087	}
		1088
		1089	bool
		1090	rxvt_term::tint_pixmap (Pixmap pixmap, Visual *visual, int width, int height)
		1091	{
		1092	bool ret = false;
		1093
		1094	if (bg_flags & BG_TINT_BITAND)
		1095	{
		1096	XGCValues gcv;
		1097	GC gc;
		1098
		1099	/* In this case we can tint image server-side getting significant
		1100	* performance improvements, as we eliminate XImage transfer
		1101	*/
		1102	gcv.foreground = Pixel (tint);
		1103	gcv.function = GXand;
		1104	gcv.fill_style = FillSolid;
		1105	gc = XCreateGC (dpy, pixmap, GCFillStyle | GCForeground | GCFunction, &gcv);
		1106	if (gc)
		1107	{
		1108	XFillRectangle (dpy, pixmap, gc, 0, 0, width, height);
		1109	ret = true;
		1110	XFreeGC (dpy, gc);
		1111	}
		1112	}
		1113	else
		1114	{
		1115	# if XRENDER
		1116	rgba c (rgba::MAX_CC, rgba::MAX_CC, rgba::MAX_CC);
		1117
		1118	if (bg_flags & BG_TINT_SET)
		1119	tint.get (c);
		1120
		1121	if (shade <= 100)
		1122	{
		1123	c.r = c.r * shade / 100;
		1124	c.g = c.g * shade / 100;
		1125	c.b = c.b * shade / 100;
		1126	}
820	else	1127	else
821	{	1128	{
822	#if XFT	1129	c.r = c.r * (200 - shade) / 100;
823	flags |= bgPixmap_t::tintServerSide;	1130	c.g = c.g * (200 - shade) / 100;
824	#endif	1131	c.b = c.b * (200 - shade) / 100;
		1132	}
		1133
		1134	XRenderPictFormat *solid_format = XRenderFindStandardFormat (dpy, PictStandardARGB32);
		1135	XRenderPictFormat *format = XRenderFindVisualFormat (dpy, visual);
		1136	XRenderPictureAttributes pa;
		1137
		1138	Picture back_pic = XRenderCreatePicture (dpy, pixmap, format, 0, &pa);
		1139
		1140	pa.repeat = True;
		1141
		1142	Pixmap overlay_pmap = XCreatePixmap (dpy, pixmap, 1, 1, 32);
		1143	Picture overlay_pic = XRenderCreatePicture (dpy, overlay_pmap, solid_format, CPRepeat, &pa);
		1144	XFreePixmap (dpy, overlay_pmap);
		1145
		1146	pa.component_alpha = True;
		1147	Pixmap mask_pmap = XCreatePixmap (dpy, pixmap, 1, 1, 32);
		1148	Picture mask_pic = XRenderCreatePicture (dpy, mask_pmap, solid_format, CPRepeat | CPComponentAlpha, &pa);
		1149	XFreePixmap (dpy, mask_pmap);
		1150
		1151	if (mask_pic && overlay_pic && back_pic)
825	}	1152	{
826	}	1153	XRenderColor mask_c;
827		1154
828	return flags;	1155	mask_c.alpha = 0xffff;
829	}	1156	mask_c.red =
		1157	mask_c.green =
		1158	mask_c.blue = 0;
		1159	XRenderFillRectangle (dpy, PictOpSrc, overlay_pic, &mask_c, 0, 0, 1, 1);
830		1160
831	bool	1161	mask_c.alpha = 0;
832	bgPixmap_t::set_tint (rxvt_color &new_tint)	1162	mask_c.red = 0xffff - c.r;
833	{	1163	mask_c.green = 0xffff - c.g;
834	if (tint != new_tint)	1164	mask_c.blue = 0xffff - c.b;
		1165	XRenderFillRectangle (dpy, PictOpSrc, mask_pic, &mask_c, 0, 0, 1, 1);
		1166	XRenderComposite (dpy, PictOpOver, overlay_pic, mask_pic, back_pic, 0, 0, 0, 0, 0, 0, width, height);
		1167
		1168	if (shade > 100)
		1169	{
		1170	mask_c.red = mask_c.green = mask_c.blue = 0xffff * (shade - 100) / 100;
		1171	mask_c.alpha = 0;
		1172	XRenderFillRectangle (dpy, PictOpSrc, overlay_pic, &mask_c, 0, 0, 1, 1);
		1173
		1174	XRenderComposite (dpy, PictOpOver, overlay_pic, None, back_pic, 0, 0, 0, 0, 0, 0, width, height);
		1175	}
		1176
		1177	ret = true;
		1178	}
		1179
		1180	XRenderFreePicture (dpy, mask_pic);
		1181	XRenderFreePicture (dpy, overlay_pic);
		1182	XRenderFreePicture (dpy, back_pic);
		1183	# endif
835	{	1184	}
836	unsigned long new_flags = compute_tint_shade_flags (&new_tint, shade);
837	tint = new_tint;
838	flags = (flags & ~tintFlags) | new_flags | tintSet;
839	return true;
840	}
841		1185
842	return false;	1186	return ret;
843	}
844
845	bool
846	bgPixmap_t::unset_tint ()
847	{
848	unsigned long new_flags = compute_tint_shade_flags (NULL, shade);
849
850	if (new_flags != (flags & tintFlags))
851	{
852	flags = (flags & ~tintFlags) | new_flags;
853	return true;
854	}
855
856	return false;
857	}
858
859	bool
860	bgPixmap_t::set_shade (const char *shade_str)
861	{
862	int new_shade = (shade_str) ? atoi (shade_str) : 0;
863
864	if (new_shade < 0 && new_shade > -100)
865	new_shade = 200 - (100 + new_shade);
866	else if (new_shade == 100)
867	new_shade = 0;
868
869	if (new_shade != shade)
870	{
871	unsigned long new_flags = compute_tint_shade_flags ((flags & tintSet) ? &tint : NULL, new_shade);
872	shade = new_shade;
873	flags = (flags & (~tintFlags | tintSet)) | new_flags;
874	return true;
875	}
876
877	return false;
878	}	1187	}
879		1188
880	/* make_transparency_pixmap()	1189	/* make_transparency_pixmap()
881	* Builds a pixmap sized the same as terminal window, with depth same as the root window	1190	* Builds a pixmap of the same size as the terminal window that contains
882	* that pixmap contains tiled portion of the root pixmap that is supposed to be covered by	1191	* the tiled portion of the root pixmap that is supposed to be covered by
883	* our window.	1192	* our window.
884	*/	1193	*/
885	unsigned long	1194	unsigned long
886	bgPixmap_t::make_transparency_pixmap ()	1195	rxvt_term::make_transparency_pixmap ()
887	{	1196	{
888	unsigned long result = 0;	1197	unsigned long result = 0;
889
890	if (target == NULL)
891	return 0;
892		1198
893	/* root dimensions may change from call to call - but Display structure should	1199	/* root dimensions may change from call to call - but Display structure should
894	* be always up-to-date, so let's use it :	1200	* be always up-to-date, so let's use it :
895	*/	1201	*/
896	Window root = target->display->root;
897	int screen = target->display->screen;	1202	int screen = display->screen;
898	Display *dpy = target->dpy;	1203	int root_depth = DefaultDepth (dpy, screen);
899	int root_width = DisplayWidth (dpy, screen);	1204	int root_width = DisplayWidth (dpy, screen);
900	int root_height = DisplayHeight (dpy, screen);	1205	int root_height = DisplayHeight (dpy, screen);
901	unsigned int root_pmap_width, root_pmap_height;	1206	unsigned int root_pmap_width, root_pmap_height;
902	int window_width = target->szHint.width;	1207	int window_width = szHint.width;
903	int window_height = target->szHint.height;	1208	int window_height = szHint.height;
904	int sx, sy;	1209	int sx, sy;
905	XGCValues gcv;	1210	XGCValues gcv;
		1211	GC gc;
906		1212
907	TIMING_TEST_START (tp);	1213	sx = target_x;
908	target->get_window_origin (sx, sy);	1214	sy = target_y;
909		1215
910	/* check if we are outside of the visible part of the virtual screen : */	1216	/* check if we are outside of the visible part of the virtual screen : */
911	if (sx + window_width <= 0 || sy + window_height <= 0	1217	if (sx + window_width <= 0 || sy + window_height <= 0
912	|| sx >= root_width || sy >= root_height)	1218	|| sx >= root_width || sy >= root_height)
913	return 0;	1219	return 0;
914		1220
		1221	// validate root pixmap and get its size
915	if (root_pixmap != None)	1222	if (root_pixmap != None)
916	{	1223	{
917	/* we want to validate the pixmap and get it's size at the same time : */	1224	Window wdummy;
918	int junk;	1225	int idummy;
919	unsigned int ujunk;	1226	unsigned int udummy;
920	/* root pixmap may be bad - allow a error */	1227
921	target->allowedxerror = -1;	1228	allowedxerror = -1;
922		1229
923	if (!XGetGeometry (dpy, root_pixmap, &root, &junk, &junk, &root_pmap_width, &root_pmap_height, &ujunk, &ujunk))	1230	if (!XGetGeometry (dpy, root_pixmap, &wdummy, &idummy, &idummy, &root_pmap_width, &root_pmap_height, &udummy, &udummy))
924	root_pixmap = None;	1231	root_pixmap = None;
925		1232
926	target->allowedxerror = 0;	1233	allowedxerror = 0;
		1234	}
		1235
		1236	Pixmap recoded_root_pmap = root_pixmap;
		1237
		1238	if (root_pixmap != None && root_depth != depth)
927	}	1239	{
		1240	#if XRENDER
		1241	if (bg_flags & BG_HAS_RENDER)
		1242	{
		1243	XRenderPictureAttributes pa;
928		1244
929	Pixmap tiled_root_pmap = XCreatePixmap (dpy, root, window_width, window_height, root_depth);	1245	XRenderPictFormat *src_format = XRenderFindVisualFormat (dpy, DefaultVisual (dpy, screen));
930	GC gc = NULL;	1246	Picture src = XRenderCreatePicture (dpy, root_pixmap, src_format, 0, &pa);
931		1247
932	if (tiled_root_pmap == None) /* something really bad happened - abort */	1248	recoded_root_pmap = XCreatePixmap (dpy, vt, root_pmap_width, root_pmap_height, depth);
		1249	XRenderPictFormat *dst_format = XRenderFindVisualFormat (dpy, visual);
		1250	Picture dst = XRenderCreatePicture (dpy, recoded_root_pmap, dst_format, 0, &pa);
		1251
		1252	if (src && dst)
		1253	XRenderComposite (dpy, PictOpSrc, src, None, dst, 0, 0, 0, 0, 0, 0, root_pmap_width, root_pmap_height);
		1254	else
		1255	{
		1256	XFreePixmap (dpy, recoded_root_pmap);
		1257	root_pixmap = None;
		1258	}
		1259
		1260	XRenderFreePicture (dpy, src);
		1261	XRenderFreePicture (dpy, dst);
		1262	}
		1263	else
		1264	#endif
		1265	root_pixmap = None;
		1266	}
		1267
		1268	if (root_pixmap == None)
933	return 0;	1269	return 0;
934		1270
		1271	if (bg_pixmap == None
		1272	|| bg_pmap_width != window_width
		1273	|| bg_pmap_height != window_height)
		1274	{
		1275	if (bg_pixmap)
		1276	XFreePixmap (dpy, bg_pixmap);
		1277	bg_pixmap = XCreatePixmap (dpy, vt, window_width, window_height, depth);
		1278	bg_pmap_width = window_width;
		1279	bg_pmap_height = window_height;
		1280	}
		1281
935	if (root_pixmap == None)	1282	if (bg_pixmap == None)
936	{	1283	return 0;
937	/* use tricks to obtain the root background image :*/
938	/* we want to create Overrideredirect window overlapping out window
939	with background type of Parent Relative and then grab it */
940	XSetWindowAttributes attr;
941	Window src;
942	bool success = false;
943		1284
944	attr.background_pixmap = ParentRelative;
945	attr.backing_store = Always;
946	attr.event_mask = ExposureMask;
947	attr.override_redirect = True;
948	src = XCreateWindow (dpy, root, sx, sy, window_width, window_height, 0,
949	CopyFromParent, CopyFromParent, CopyFromParent,
950	CWBackPixmap|CWBackingStore|CWOverrideRedirect|CWEventMask,
951	&attr);
952
953	if (src != None)
954	{
955	XEvent event;
956	int ev_count = 0;
957	XGrabServer (dpy);
958	XMapRaised (dpy, src);
959	XSync (dpy, False);
960
961	/* XSync should get window where it's properly exposed,
962	* but to be on the safe side - let's check for the actual event to arrive : */
963	while (XCheckWindowEvent (dpy, src, ExposureMask, &event))
964	++ev_count;
965
966	if (ev_count > 0);
967	{
968	/* hooray! - we can grab the image! */
969	gc = XCreateGC (dpy, root, 0, NULL);
970	if (gc)
971	{
972	XCopyArea (dpy, src, tiled_root_pmap, gc, 0, 0, window_width, window_height, 0, 0);
973	success = true;
974	}
975	}
976
977	XDestroyWindow (dpy, src);
978	XUngrabServer (dpy);
979	//fprintf (stderr, "%s:%d: ev_count = %d\n", __FUNCTION__, __LINE__, ev_count);
980	}
981
982	if (!success)
983	{
984	XFreePixmap (dpy, tiled_root_pmap);
985	tiled_root_pmap = None;
986	}
987	else
988	result |= transpPmapTiled;
989	}
990	else
991	{
992	/* straightforward pixmap copy */	1285	/* straightforward pixmap copy */
993	gcv.tile = root_pixmap;
994	gcv.fill_style = FillTiled;
995
996	while (sx < 0) sx += (int)root_width;	1286	while (sx < 0) sx += (int)root_width;
997	while (sy < 0) sy += (int)root_height;	1287	while (sy < 0) sy += (int)root_height;
998		1288
		1289	gcv.tile = recoded_root_pmap;
		1290	gcv.fill_style = FillTiled;
999	gcv.ts_x_origin = -sx;	1291	gcv.ts_x_origin = -sx;
1000	gcv.ts_y_origin = -sy;	1292	gcv.ts_y_origin = -sy;
1001	gc = XCreateGC (dpy, root, GCFillStyle | GCTile | GCTileStipXOrigin | GCTileStipYOrigin, &gcv);	1293	gc = XCreateGC (dpy, vt, GCFillStyle | GCTile | GCTileStipXOrigin | GCTileStipYOrigin, &gcv);
		1294
		1295	if (gc)
		1296	{
		1297	XFillRectangle (dpy, bg_pixmap, gc, 0, 0, window_width, window_height);
		1298	result |= BG_IS_VALID | (bg_flags & BG_EFFECTS_FLAGS);
		1299	XFreeGC (dpy, gc);
		1300
		1301	if (!(bg_flags & BG_CLIENT_RENDER))
		1302	{
		1303	if ((bg_flags & BG_NEEDS_BLUR)
		1304	&& (bg_flags & BG_HAS_RENDER_CONV))
		1305	{
		1306	if (blur_pixmap (bg_pixmap, visual, window_width, window_height))
		1307	result &= ~BG_NEEDS_BLUR;
		1308	}
		1309	if ((bg_flags & BG_NEEDS_TINT)
		1310	&& (bg_flags & (BG_TINT_BITAND | BG_HAS_RENDER)))
		1311	{
		1312	if (tint_pixmap (bg_pixmap, visual, window_width, window_height))
		1313	result &= ~BG_NEEDS_TINT;
		1314	}
		1315	} /* server side rendering completed */
		1316	}
		1317
		1318	if (recoded_root_pmap != root_pixmap)
		1319	XFreePixmap (dpy, recoded_root_pmap);
		1320
		1321	return result;
		1322	}
		1323
		1324	void
		1325	rxvt_term::bg_set_root_pixmap ()
		1326	{
		1327	Pixmap new_root_pixmap = get_pixmap_property (xa[XA_XROOTPMAP_ID]);
		1328	if (new_root_pixmap == None)
		1329	new_root_pixmap = get_pixmap_property (xa[XA_ESETROOT_PMAP_ID]);
		1330
		1331	root_pixmap = new_root_pixmap;
		1332	}
		1333	# endif /* ENABLE_TRANSPARENCY */
		1334
		1335	#if defined(ENABLE_TRANSPARENCY) && !defined(HAVE_AFTERIMAGE)
		1336	static void shade_ximage (Visual *visual, XImage *ximage, int shade, const rgba &c);
		1337	# endif
		1338
		1339	bool
		1340	rxvt_term::bg_render ()
		1341	{
		1342	unsigned long tr_flags = 0;
		1343
		1344	bg_invalidate ();
		1345	# ifdef ENABLE_TRANSPARENCY
		1346	if (bg_flags & BG_IS_TRANSPARENT)
		1347	{
		1348	/* we need to re-generate transparency pixmap in that case ! */
		1349	tr_flags = make_transparency_pixmap ();
		1350	if (tr_flags == 0)
		1351	return false;
		1352	else if (!(tr_flags & BG_EFFECTS_FLAGS))
		1353	bg_flags |= BG_IS_VALID;
		1354	}
		1355	# endif
		1356
		1357	# ifdef BG_IMAGE_FROM_FILE
		1358	if ((bg_flags & BG_IS_FROM_FILE)
		1359	|| (tr_flags & BG_EFFECTS_FLAGS))
		1360	{
		1361	if (render_image (tr_flags))
		1362	bg_flags |= BG_IS_VALID;
		1363	}
		1364	# endif
		1365
		1366	# if defined(ENABLE_TRANSPARENCY) && !defined(HAVE_AFTERIMAGE)
		1367	XImage *result = NULL;
		1368
		1369	if (tr_flags && !(bg_flags & BG_IS_VALID))
		1370	{
		1371	result = XGetImage (dpy, bg_pixmap, 0, 0, bg_pmap_width, bg_pmap_height, AllPlanes, ZPixmap);
		1372	}
		1373
		1374	if (result)
		1375	{
		1376	/* our own client-side tinting */
		1377	if (tr_flags & BG_NEEDS_TINT)
		1378	{
		1379	rgba c (rgba::MAX_CC,rgba::MAX_CC,rgba::MAX_CC);
		1380	if (bg_flags & BG_TINT_SET)
		1381	tint.get (c);
		1382	shade_ximage (DefaultVisual (dpy, display->screen), result, shade, c);
		1383	}
		1384
		1385	GC gc = XCreateGC (dpy, vt, 0UL, NULL);
1002		1386
1003	if (gc)	1387	if (gc)
1004	{	1388	{
1005	XFillRectangle (dpy, tiled_root_pmap, gc, 0, 0, window_width, window_height);	1389	XPutImage (dpy, bg_pixmap, gc, result, 0, 0, 0, 0, result->width, result->height);
1006	result |= transpPmapTiled;
1007	}
1008	}
1009	TIMING_TEST_PRINT_RESULT (tp);
1010		1390
1011	if (tiled_root_pmap != None)	1391	XFreeGC (dpy, gc);
1012	{	1392	bg_flags |= BG_IS_VALID;
1013	if (!need_client_side_rendering ())
1014	{	1393	}
1015	if ((flags & tintNeeded))
1016	{
1017	if (flags & tintWholesome)
1018	{
1019	/* In this case we can tint image server-side getting significant
1020	* performance improvements, as we eliminate XImage transfer
1021	*/
1022	gcv.foreground = Pixel (tint);
1023	gcv.function = GXand;
1024	gcv.fill_style = FillSolid;
1025	if (gc)
1026	XChangeGC (dpy, gc, GCFillStyle | GCForeground | GCFunction, &gcv);
1027	else
1028	gc = XCreateGC (dpy, root, GCFillStyle | GCForeground | GCFunction, &gcv);
1029	if (gc)
1030	{
1031	XFillRectangle (dpy, tiled_root_pmap, gc, 0, 0, window_width, window_height);
1032	result |= transpPmapTinted;
1033	}
1034	}
1035	else
1036	{
1037	# if XFT
1038	Picture back_pic = 0;
1039	rgba c (rgba::MAX_CC,rgba::MAX_CC,rgba::MAX_CC);
1040		1394
1041	if (flags & tintSet)	1395	XDestroyImage (result);
1042	tint.get (c);
1043
1044	if (shade > 0 && shade < 100)
1045	{
1046	c.r = (c.r * shade) / 100;
1047	c.g = (c.g * shade) / 100;
1048	c.b = (c.b * shade) / 100;
1049	}
1050	else if (shade > 100 && shade < 200)
1051	{
1052	c.r = (c.r * (200 - shade)) / 100;
1053	c.g = (c.g * (200 - shade)) / 100;
1054	c.b = (c.b * (200 - shade)) / 100;
1055	}
1056
1057	XRenderPictFormat pf;
1058	pf.type = PictTypeDirect;
1059	pf.depth = 32;
1060	pf.direct.redMask = 0xff;
1061	pf.direct.greenMask = 0xff;
1062	pf.direct.blueMask = 0xff;
1063	pf.direct.alphaMask = 0xff;
1064
1065	XRenderPictFormat *solid_format = XRenderFindFormat (dpy,
1066	(PictFormatType|
1067	PictFormatDepth|
1068	PictFormatRedMask|
1069	PictFormatGreenMask|
1070	PictFormatBlueMask|
1071	PictFormatAlphaMask),
1072	&pf,
1073	0);
1074	XRenderPictFormat *root_format = XRenderFindVisualFormat (dpy, DefaultVisualOfScreen (ScreenOfDisplay (dpy, target->display->screen)));
1075	XRenderPictureAttributes pa ;
1076
1077	back_pic = XRenderCreatePicture (dpy, tiled_root_pmap, root_format, 0, &pa);
1078
1079	pa.repeat = True;
1080
1081	Pixmap overlay_pmap = XCreatePixmap (dpy, root, 1, 1, 32);
1082	Picture overlay_pic = XRenderCreatePicture (dpy, overlay_pmap, solid_format, CPRepeat, &pa);
1083	XFreePixmap (dpy, overlay_pmap);
1084
1085	pa.component_alpha = True;
1086	Pixmap mask_pmap = XCreatePixmap (dpy, root, 1, 1, 32);
1087	Picture mask_pic = XRenderCreatePicture (dpy, mask_pmap, solid_format, CPRepeat|CPComponentAlpha, &pa);
1088	XFreePixmap (dpy, mask_pmap);
1089
1090	if (mask_pic && overlay_pic && back_pic)
1091	{
1092	XRenderColor mask_c;
1093
1094	memset (&mask_c, (shade > 100) ? 0xFF : 0x0, sizeof (mask_c));
1095	mask_c.alpha = 0xffff;
1096	XRenderFillRectangle (dpy, PictOpSrc, overlay_pic, &mask_c, 0, 0, 1, 1);
1097
1098	mask_c.alpha = 0;
1099	mask_c.red = 0xffff - c.r;
1100	mask_c.green = 0xffff - c.g;
1101	mask_c.blue = 0xffff - c.b;
1102	XRenderFillRectangle (dpy, PictOpSrc, mask_pic, &mask_c, 0, 0, 1, 1);
1103	XRenderComposite (dpy, PictOpOver, overlay_pic, mask_pic, back_pic, 0, 0, 0, 0, 0, 0, window_width, window_height);
1104	result |= transpPmapTinted;
1105	}
1106
1107	XRenderFreePicture (dpy, mask_pic);
1108	XRenderFreePicture (dpy, overlay_pic);
1109	XRenderFreePicture (dpy, back_pic);
1110	# if DO_TIMING_TEST
1111	XSync (dpy, False);
1112	# endif
1113	# endif
1114	}
1115	}
1116	} /* server side rendering completed */
1117
1118	if (pixmap)
1119	XFreePixmap (dpy, pixmap);
1120
1121	pixmap = tiled_root_pmap;
1122	pmap_width = window_width;
1123	pmap_height = window_height;
1124	pmap_depth = root_depth;
1125	}
1126
1127	if (gc)
1128	XFreeGC (dpy, gc);
1129
1130	TIMING_TEST_PRINT_RESULT (tp);
1131
1132	return result;
1133	}
1134
1135	bool
1136	bgPixmap_t::set_root_pixmap ()
1137	{
1138	Pixmap new_root_pixmap = target->get_pixmap_property (XA_XROOTPMAP_ID);
1139	if (new_root_pixmap == None)
1140	new_root_pixmap = target->get_pixmap_property (XA_ESETROOT_PMAP_ID);
1141
1142	if (new_root_pixmap != root_pixmap)
1143	{	1396	}
1144	root_pixmap = new_root_pixmap;
1145	return true;
1146	}
1147
1148	return false;
1149	}
1150	# endif /* ENABLE_TRANSPARENCY */
1151
1152	# ifndef HAVE_AFTERIMAGE
1153	static void ShadeXImage(rxvt_term *term, XImage *srcImage, int shade, int rm, int gm, int bm);
1154	# endif	1397	# endif
1155		1398
1156	bool	1399	if (!(bg_flags & BG_IS_VALID))
1157	bgPixmap_t::render ()
1158	{
1159	unsigned long background_flags = 0;
1160
1161	if (target == NULL)
1162	return false;
1163
1164	TIMING_TEST_START (tp);
1165
1166	invalidate ();
1167	# ifdef ENABLE_TRANSPARENCY
1168	if (flags & isTransparent)
1169	{
1170	/* we need to re-generate transparency pixmap in that case ! */
1171	background_flags = make_transparency_pixmap ();
1172	if (background_flags == 0)
1173	return false;
1174	else if ((background_flags & transpTransformations) == (flags & transpTransformations)
1175	&& pmap_depth == target->depth)
1176	flags = flags & ~isInvalid;
1177	}	1400	{
1178	# endif
1179
1180	# ifdef BG_IMAGE_FROM_FILE
1181	if (have_image
1182	|| (background_flags & transpTransformations) != (flags & transpTransformations))
1183	{
1184	if (render_image (background_flags))
1185	flags = flags & ~isInvalid;
1186	}
1187	# endif
1188
1189	XImage *result = NULL;
1190
1191	if (background_flags && (flags & isInvalid))
1192	{
1193	result = XGetImage (target->dpy, pixmap, 0, 0, pmap_width, pmap_height, AllPlanes, ZPixmap);
1194
1195	# if !defined(HAVE_AFTERIMAGE) && !XFT
1196	/* our own client-side tinting */
1197	/* ATTENTION: We ASSUME that XFT will let us do all the tinting necessary server-side.
1198	This may need to be changed in need_client_side_rendering() logic is altered !!! */
1199	if (result != NULL && !(background_flags & transpPmapTinted) && (flags & tintNeeded))
1200	{
1201	rgba c (rgba::MAX_CC,rgba::MAX_CC,rgba::MAX_CC);
1202	if (flags & tintSet)
1203	tint.get (c);
1204	ShadeXImage (target, result, shade, c.r, c.g, c.b);
1205	}
1206	# endif
1207	}
1208
1209	if (result)
1210	{
1211	GC gc = XCreateGC (target->dpy, target->vt, 0UL, NULL);
1212
1213	if (gc)
1214	{
1215	if (/*pmap_depth != target->depth &&*/ pixmap != None)
1216	{
1217	XFreePixmap (target->dpy, pixmap);
1218	pixmap = None;
1219	}
1220
1221	if (pixmap == None)
1222	{
1223	pixmap = XCreatePixmap (target->dpy, target->vt, result->width, result->height, target->depth);
1224	pmap_width = result->width;
1225	pmap_height = result->height;
1226	pmap_depth = target->depth;
1227	}
1228
1229	if (pmap_depth != result->depth)
1230	{
1231	/* Bad Match error will ensue ! stupid X !!!! */
1232	if (result->depth == 24 && pmap_depth == 32)
1233	result->depth = 32;
1234	else if (result->depth == 32 && pmap_depth == 24)
1235	result->depth = 24;
1236	else
1237	{
1238	/* TODO: implement image recoding */
1239	}
1240	}
1241
1242	if (pmap_depth == result->depth)
1243	XPutImage (target->dpy, pixmap, gc, result, 0, 0, 0, 0, result->width, result->height);
1244
1245	XFreeGC (target->dpy, gc);
1246	flags = flags & ~isInvalid;
1247	}
1248
1249	XDestroyImage (result);
1250	}
1251
1252	if (flags & isInvalid)
1253	{
1254	if (pixmap != None)	1401	if (bg_pixmap != None)
1255	{	1402	{
1256	XFreePixmap (target->dpy, pixmap);	1403	XFreePixmap (dpy, bg_pixmap);
1257	pixmap = None;	1404	bg_pixmap = None;
1258	}	1405	}
1259	}	1406	}
1260		1407
1261	apply ();	1408	scr_recolour (false);
		1409	bg_flags |= BG_NEEDS_REFRESH;
1262		1410
1263	XSync (target->dpy, False);
1264	valid_since = ev::now ();	1411	bg_valid_since = ev::now ();
1265
1266	TIMING_TEST_PRINT_RESULT (tp);
1267		1412
1268	return true;	1413	return true;
1269	}	1414	}
1270		1415
1271	bool
1272	bgPixmap_t::set_target (rxvt_term *new_target)
1273	{
1274	if (new_target)
1275	if (target != new_target)
1276	{
1277	target = new_target;
1278	# ifdef ENABLE_TRANSPARENCY
1279	root_depth = DefaultDepthOfScreen (ScreenOfDisplay (target->dpy, target->display->screen));
1280	# endif
1281	return true;
1282	}
1283
1284	return false;
1285	}
1286
1287	void	1416	void
1288	bgPixmap_t::apply ()	1417	rxvt_term::bg_init ()
1289	{	1418	{
1290	if (target)
1291	{
1292	flags &= ~isVtOrigin;
1293
1294	if (pixmap != None)
1295	{
1296	/* set target's background to pixmap */
1297	# ifdef ENABLE_TRANSPARENCY	1419	#ifdef ENABLE_TRANSPARENCY
1298	if (flags & isTransparent)	1420	shade = 100;
1299	{
1300	XSetWindowBackgroundPixmap (target->dpy, target->parent[0], pixmap);
1301	XSetWindowBackgroundPixmap (target->dpy, target->vt, ParentRelative);
1302
1303	if (target->scrollBar.win)
1304	XSetWindowBackgroundPixmap (target->dpy, target->scrollBar.win, ParentRelative);
1305	}
1306	else
1307	# endif	1421	#endif
1308	{
1309	flags |= isVtOrigin;
1310	/* force old pixmap dereference in case it was transparent before :*/
1311	XSetWindowBackground (target->dpy, target->parent[0], target->pix_colors[Color_border]);
1312	XSetWindowBackgroundPixmap (target->dpy, target->vt, pixmap);
1313	/* do we also need to set scrollbar's background here ? */
1314		1422
1315	if (target->scrollBar.win)	1423	bg_flags &= ~(BG_HAS_RENDER | BG_HAS_RENDER_CONV);
1316	XSetWindowBackground (target->dpy, target->scrollBar.win, target->pix_colors[Color_border]);	1424	#if XRENDER
1317	}	1425	int major, minor;
1318	}	1426	if (XRenderQueryVersion (dpy, &major, &minor))
1319	else	1427	bg_flags |= BG_HAS_RENDER;
1320	{	1428	XFilters *filters = XRenderQueryFilters (dpy, vt);
1321	/* set target background to a pixel */	1429	if (filters)
1322	XSetWindowBackground (target->dpy, target->parent[0], target->pix_colors[Color_border]);
1323	XSetWindowBackground (target->dpy, target->vt, target->pix_colors[Color_bg]);
1324	/* do we also need to set scrollbar's background here ? */
1325	if (target->scrollBar.win)
1326	XSetWindowBackground (target->dpy, target->scrollBar.win, target->pix_colors[Color_border]);
1327	}
1328
1329	/* don't want Expose on the parent or vt. It is better to use
1330	scr_touch or we get a great deal of flicker otherwise: */
1331	XClearWindow (target->dpy, target->parent[0]);
1332
1333	if (target->scrollBar.state && target->scrollBar.win)
1334	{
1335	target->scrollBar.state = STATE_IDLE;
1336	target->scrollBar.show (0);
1337	}
1338
1339	target->want_refresh = 1;
1340	flags |= hasChanged;
1341	}	1430	{
		1431	for (int i = 0; i < filters->nfilter; i++)
		1432	if (!strcmp (filters->filter[i], FilterConvolution))
		1433	bg_flags |= BG_HAS_RENDER_CONV;
		1434
		1435	XFree (filters);
		1436	}
		1437	#endif
1342	}	1438	}
1343		1439
1344	#endif /* HAVE_BG_PIXMAP */	1440	#endif /* HAVE_BG_PIXMAP */
1345		1441
1346	#if defined(ENABLE_TRANSPARENCY) && !defined(HAVE_AFTERIMAGE) && !XFT	1442	#if defined(ENABLE_TRANSPARENCY) && !defined(HAVE_AFTERIMAGE)
1347	/* taken from aterm-0.4.2 */	1443	/* taken from aterm-0.4.2 */
1348		1444
1349	typedef uint32_t RUINT32T;
1350
1351	static void	1445	static void
1352	ShadeXImage(rxvt_term *term, XImage *srcImage, int shade, int rm, int gm, int bm)	1446	shade_ximage (Visual *visual, XImage *ximage, int shade, const rgba &c)
1353	{	1447	{
1354	int sh_r, sh_g, sh_b;	1448	int sh_r, sh_g, sh_b;
1355	RUINT32T mask_r, mask_g, mask_b;	1449	uint32_t mask_r, mask_g, mask_b;
1356	RUINT32T *lookup, *lookup_r, *lookup_g, *lookup_b;	1450	uint32_t *lookup, *lookup_r, *lookup_g, *lookup_b;
1357	unsigned int lower_lim_r, lower_lim_g, lower_lim_b;	1451	rgba low;
1358	unsigned int upper_lim_r, upper_lim_g, upper_lim_b;	1452	rgba high;
1359	int i;	1453	int i;
		1454	int host_byte_order = byteorder::big_endian () ? MSBFirst : LSBFirst;
1360		1455
1361	Visual *visual = term->visual;
1362
1363	if (visual->c_class != TrueColor || srcImage->format != ZPixmap) return ;	1456	if (visual->c_class != TrueColor || ximage->format != ZPixmap) return;
1364
1365	if (shade == 0)
1366	shade = 100;
1367		1457
1368	/* for convenience */	1458	/* for convenience */
1369	mask_r = visual->red_mask;	1459	mask_r = visual->red_mask;
1370	mask_g = visual->green_mask;	1460	mask_g = visual->green_mask;
1371	mask_b = visual->blue_mask;	1461	mask_b = visual->blue_mask;
1372		1462
1373	/* boring lookup table pre-initialization */	1463	/* boring lookup table pre-initialization */
1374	switch (srcImage->bits_per_pixel) {	1464	switch (ximage->depth)
		1465	{
1375	case 15:	1466	case 15:
1376	if ((mask_r != 0x7c00) ||	1467	if ((mask_r != 0x7c00) ||
1377	(mask_g != 0x03e0) ||	1468	(mask_g != 0x03e0) ||
1378	(mask_b != 0x001f))	1469	(mask_b != 0x001f))
1379	return;	1470	return;
1380	lookup = (RUINT32T *) malloc (sizeof (RUINT32T)*(32+32+32));	1471	lookup = (uint32_t *) malloc (sizeof (uint32_t)*(32+32+32));
1381	lookup_r = lookup;	1472	lookup_r = lookup;
1382	lookup_g = lookup+32;	1473	lookup_g = lookup+32;
1383	lookup_b = lookup+32+32;	1474	lookup_b = lookup+32+32;
1384	sh_r = 10;	1475	sh_r = 10;
1385	sh_g = 5;	1476	sh_g = 5;
1386	sh_b = 0;	1477	sh_b = 0;
1387	break;	1478	break;
1388	case 16:	1479	case 16:
1389	if ((mask_r != 0xf800) ||	1480	if ((mask_r != 0xf800) ||
1390	(mask_g != 0x07e0) ||	1481	(mask_g != 0x07e0) ||
1391	(mask_b != 0x001f))	1482	(mask_b != 0x001f))
1392	return;	1483	return;
1393	lookup = (RUINT32T *) malloc (sizeof (RUINT32T)*(32+64+32));	1484	lookup = (uint32_t *) malloc (sizeof (uint32_t)*(32+64+32));
1394	lookup_r = lookup;	1485	lookup_r = lookup;
1395	lookup_g = lookup+32;	1486	lookup_g = lookup+32;
1396	lookup_b = lookup+32+64;	1487	lookup_b = lookup+32+64;
1397	sh_r = 11;	1488	sh_r = 11;
1398	sh_g = 5;	1489	sh_g = 5;
1399	sh_b = 0;	1490	sh_b = 0;
1400	break;	1491	break;
1401	case 24:	1492	case 24:
1402	if ((mask_r != 0xff0000) ||	1493	if ((mask_r != 0xff0000) ||
1403	(mask_g != 0x00ff00) ||	1494	(mask_g != 0x00ff00) ||
1404	(mask_b != 0x0000ff))	1495	(mask_b != 0x0000ff))
1405	return;	1496	return;
1406	lookup = (RUINT32T *) malloc (sizeof (RUINT32T)*(256+256+256));	1497	lookup = (uint32_t *) malloc (sizeof (uint32_t)*(256+256+256));
1407	lookup_r = lookup;	1498	lookup_r = lookup;
1408	lookup_g = lookup+256;	1499	lookup_g = lookup+256;
1409	lookup_b = lookup+256+256;	1500	lookup_b = lookup+256+256;
1410	sh_r = 16;	1501	sh_r = 16;
1411	sh_g = 8;	1502	sh_g = 8;
1412	sh_b = 0;	1503	sh_b = 0;
1413	break;	1504	break;
1414	case 32:	1505	case 32:
1415	if ((mask_r != 0xff0000) ||	1506	if ((mask_r != 0xff0000) ||
1416	(mask_g != 0x00ff00) ||	1507	(mask_g != 0x00ff00) ||
1417	(mask_b != 0x0000ff))	1508	(mask_b != 0x0000ff))
1418	return;	1509	return;
1419	lookup = (RUINT32T *) malloc (sizeof (RUINT32T)*(256+256+256));	1510	lookup = (uint32_t *) malloc (sizeof (uint32_t)*(256+256+256));
1420	lookup_r = lookup;	1511	lookup_r = lookup;
1421	lookup_g = lookup+256;	1512	lookup_g = lookup+256;
1422	lookup_b = lookup+256+256;	1513	lookup_b = lookup+256+256;
1423	sh_r = 16;	1514	sh_r = 16;
1424	sh_g = 8;	1515	sh_g = 8;
1425	sh_b = 0;	1516	sh_b = 0;
1426	break;	1517	break;
1427	default:	1518	default:
1428	return; /* we do not support this color depth */	1519	return; /* we do not support this color depth */
1429	}	1520	}
1430		1521
1431	/* prepare limits for color transformation (each channel is handled separately) */	1522	/* prepare limits for color transformation (each channel is handled separately) */
1432	if (shade < 0) {	1523	if (shade > 100)
		1524	{
1433	shade = -shade;	1525	shade = 200 - shade;
1434	if (shade < 0) shade = 0;
1435	if (shade > 100) shade = 100;
1436		1526
1437	lower_lim_r = 65535-rm;	1527	high.r = c.r * shade / 100;
1438	lower_lim_g = 65535-gm;	1528	high.g = c.g * shade / 100;
1439	lower_lim_b = 65535-bm;	1529	high.b = c.b * shade / 100;
1440		1530
1441	lower_lim_r = 65535-(unsigned int)(((RUINT32T)lower_lim_r)*((RUINT32T)shade)/100);	1531	low.r = 65535 * (100 - shade) / 100;
1442	lower_lim_g = 65535-(unsigned int)(((RUINT32T)lower_lim_g)*((RUINT32T)shade)/100);	1532	low.g = 65535 * (100 - shade) / 100;
1443	lower_lim_b = 65535-(unsigned int)(((RUINT32T)lower_lim_b)*((RUINT32T)shade)/100);	1533	low.b = 65535 * (100 - shade) / 100;
1444
1445	upper_lim_r = upper_lim_g = upper_lim_b = 65535;
1446	} else {
1447	if (shade < 0) shade = 0;
1448	if (shade > 100) shade = 100;
1449
1450	lower_lim_r = lower_lim_g = lower_lim_b = 0;
1451
1452	upper_lim_r = (unsigned int)((((RUINT32T)rm)*((RUINT32T)shade))/100);
1453	upper_lim_g = (unsigned int)((((RUINT32T)gm)*((RUINT32T)shade))/100);
1454	upper_lim_b = (unsigned int)((((RUINT32T)bm)*((RUINT32T)shade))/100);
1455	}	1534	}
1456		1535	else
1457	/* switch red and blue bytes if necessary, we need it for some weird XServers like XFree86 3.3.3.1 */
1458	if ((srcImage->bits_per_pixel == 24) && (mask_r >= 0xFF0000 ))
1459	{	1536	{
1460	unsigned int tmp;	1537	high.r = c.r * shade / 100;
		1538	high.g = c.g * shade / 100;
		1539	high.b = c.b * shade / 100;
1461		1540
1462	tmp = lower_lim_r;	1541	low.r = low.g = low.b = 0;
1463	lower_lim_r = lower_lim_b;
1464	lower_lim_b = tmp;
1465
1466	tmp = upper_lim_r;
1467	upper_lim_r = upper_lim_b;
1468	upper_lim_b = tmp;
1469	}	1542	}
1470		1543
1471	/* fill our lookup tables */	1544	/* fill our lookup tables */
1472	for (i = 0; i <= mask_r>>sh_r; i++)	1545	for (i = 0; i <= mask_r>>sh_r; i++)
1473	{	1546	{
1474	RUINT32T tmp;	1547	uint32_t tmp;
1475	tmp = ((RUINT32T)i)*((RUINT32T)(upper_lim_r-lower_lim_r));	1548	tmp = i * high.r;
1476	tmp += ((RUINT32T)(mask_r>>sh_r))*((RUINT32T)lower_lim_r);	1549	tmp += (mask_r>>sh_r) * low.r;
1477	lookup_r[i] = (tmp/65535)<<sh_r;	1550	lookup_r[i] = (tmp/65535)<<sh_r;
1478	}	1551	}
1479	for (i = 0; i <= mask_g>>sh_g; i++)	1552	for (i = 0; i <= mask_g>>sh_g; i++)
1480	{	1553	{
1481	RUINT32T tmp;	1554	uint32_t tmp;
1482	tmp = ((RUINT32T)i)*((RUINT32T)(upper_lim_g-lower_lim_g));	1555	tmp = i * high.g;
1483	tmp += ((RUINT32T)(mask_g>>sh_g))*((RUINT32T)lower_lim_g);	1556	tmp += (mask_g>>sh_g) * low.g;
1484	lookup_g[i] = (tmp/65535)<<sh_g;	1557	lookup_g[i] = (tmp/65535)<<sh_g;
1485	}	1558	}
1486	for (i = 0; i <= mask_b>>sh_b; i++)	1559	for (i = 0; i <= mask_b>>sh_b; i++)
1487	{	1560	{
1488	RUINT32T tmp;	1561	uint32_t tmp;
1489	tmp = ((RUINT32T)i)*((RUINT32T)(upper_lim_b-lower_lim_b));	1562	tmp = i * high.b;
1490	tmp += ((RUINT32T)(mask_b>>sh_b))*((RUINT32T)lower_lim_b);	1563	tmp += (mask_b>>sh_b) * low.b;
1491	lookup_b[i] = (tmp/65535)<<sh_b;	1564	lookup_b[i] = (tmp/65535)<<sh_b;
1492	}	1565	}
1493		1566
1494	/* apply table to input image (replacing colors by newly calculated ones) */	1567	/* apply table to input image (replacing colors by newly calculated ones) */
1495	switch (srcImage->bits_per_pixel)	1568	if (ximage->bits_per_pixel == 32
		1569	&& (ximage->depth == 24 || ximage->depth == 32)
		1570	&& ximage->byte_order == host_byte_order)
1496	{	1571	{
1497	case 15:
1498	{
1499	unsigned short *p1, *pf, *p, *pl;	1572	uint32_t *p1, *pf, *p, *pl;
1500	p1 = (unsigned short *) srcImage->data;	1573	p1 = (uint32_t *) ximage->data;
1501	pf = (unsigned short *) (srcImage->data + srcImage->height * srcImage->bytes_per_line);	1574	pf = (uint32_t *) (ximage->data + ximage->height * ximage->bytes_per_line);
		1575
1502	while (p1 < pf)	1576	while (p1 < pf)
1503	{	1577	{
1504	p = p1;	1578	p = p1;
1505	pl = p1 + srcImage->width;	1579	pl = p1 + ximage->width;
1506	for (; p < pl; p++)	1580	for (; p < pl; p++)
1507	{	1581	{
1508	*p = lookup_r[(*p & 0x7c00)>>10] |
1509	lookup_g[(*p & 0x03e0)>> 5] |
1510	lookup_b[(*p & 0x001f)];
1511	}
1512	p1 = (unsigned short *) ((char *) p1 + srcImage->bytes_per_line);
1513	}
1514	break;
1515	}
1516	case 16:
1517	{
1518	unsigned short *p1, *pf, *p, *pl;
1519	p1 = (unsigned short *) srcImage->data;
1520	pf = (unsigned short *) (srcImage->data + srcImage->height * srcImage->bytes_per_line);
1521	while (p1 < pf)
1522	{
1523	p = p1;
1524	pl = p1 + srcImage->width;
1525	for (; p < pl; p++)
1526	{
1527	*p = lookup_r[(*p & 0xf800)>>11] |
1528	lookup_g[(*p & 0x07e0)>> 5] |
1529	lookup_b[(*p & 0x001f)];
1530	}
1531	p1 = (unsigned short *) ((char *) p1 + srcImage->bytes_per_line);
1532	}
1533	break;
1534	}
1535	case 24:
1536	{
1537	unsigned char *p1, *pf, *p, *pl;
1538	p1 = (unsigned char *) srcImage->data;
1539	pf = (unsigned char *) (srcImage->data + srcImage->height * srcImage->bytes_per_line);
1540	while (p1 < pf)
1541	{
1542	p = p1;
1543	pl = p1 + srcImage->width * 3;
1544	for (; p < pl; p += 3)
1545	{
1546	p[0] = lookup_r[(p[0] & 0xff0000)>>16];
1547	p[1] = lookup_r[(p[1] & 0x00ff00)>> 8];
1548	p[2] = lookup_r[(p[2] & 0x0000ff)];
1549	}
1550	p1 = (unsigned char *) ((char *) p1 + srcImage->bytes_per_line);
1551	}
1552	break;
1553	}
1554	case 32:
1555	{
1556	RUINT32T *p1, *pf, *p, *pl;
1557	p1 = (RUINT32T *) srcImage->data;
1558	pf = (RUINT32T *) (srcImage->data + srcImage->height * srcImage->bytes_per_line);
1559
1560	while (p1 < pf)
1561	{
1562	p = p1;
1563	pl = p1 + srcImage->width;
1564	for (; p < pl; p++)
1565	{
1566	*p = lookup_r[(*p & 0xff0000)>>16] |	1582	*p = lookup_r[(*p & 0xff0000) >> 16] |
1567	lookup_g[(*p & 0x00ff00)>> 8] |	1583	lookup_g[(*p & 0x00ff00) >> 8] |
1568	lookup_b[(*p & 0x0000ff)] |	1584	lookup_b[(*p & 0x0000ff)] |
1569	(*p & ~0xffffff);	1585	(*p & 0xff000000);
		1586	}
		1587	p1 = (uint32_t *) ((char *) p1 + ximage->bytes_per_line);
		1588	}
		1589	}
		1590	else
		1591	{
		1592	for (int y = 0; y < ximage->height; y++)
		1593	for (int x = 0; x < ximage->width; x++)
		1594	{
		1595	unsigned long pixel = XGetPixel (ximage, x, y);
		1596	pixel = lookup_r[(pixel & mask_r) >> sh_r] |
		1597	lookup_g[(pixel & mask_g) >> sh_g] |
		1598	lookup_b[(pixel & mask_b) >> sh_b];
		1599	XPutPixel (ximage, x, y, pixel);
1570	}	1600	}
1571	p1 = (RUINT32T *) ((char *) p1 + srcImage->bytes_per_line);
1572	}	1601	}
1573	break;
1574	}
1575	}
1576		1602
1577	free (lookup);	1603	free (lookup);
1578	}	1604	}
1579	#endif /* defined(ENABLE_TRANSPARENCY) && !defined(HAVE_AFTERIMAGE) */	1605	#endif /* defined(ENABLE_TRANSPARENCY) && !defined(HAVE_AFTERIMAGE) */

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