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Comparing rxvt-unicode/src/background.C (file contents):
Revision 1.26 by root, Wed Jan 23 11:10:27 2008 UTC vs.
Revision 1.145 by sf-exg, Fri Jan 28 00:21:10 2011 UTC

1	/*----------------------------------------------------------------------*	1	/*----------------------------------------------------------------------*
2	* File: background.C - former xpm.C	2	* File: background.C - former xpm.C
3	*----------------------------------------------------------------------*	3	*----------------------------------------------------------------------*
4	*	4	*
5	* All portions of code are copyright by their respective author/s.	5	* All portions of code are copyright by their respective author/s.
6	* Copyright (c) 2005-2006 Marc Lehmann <pcg@goof.com>	6	* Copyright (c) 2005-2008 Marc Lehmann <pcg@goof.com>
7	* Copyright (c) 2007 Sasha Vasko <sasha@aftercode.net>	7	* Copyright (c) 2007 Sasha Vasko <sasha@aftercode.net>
		8	* Copyright (c) 2010 Emanuele Giaquinta <e.giaquinta@glauco.it>
8	*	9	*
9	* This program is free software; you can redistribute it and/or modify	10	* This program is free software; you can redistribute it and/or modify
10	* it under the terms of the GNU General Public License as published by	11	* it under the terms of the GNU General Public License as published by
11	* the Free Software Foundation; either version 2 of the License, or	12	* the Free Software Foundation; either version 2 of the License, or
12	* (at your option) any later version.	13	* (at your option) any later version.
…		…
19	* You should have received a copy of the GNU General Public License	20	* You should have received a copy of the GNU General Public License
20	* along with this program; if not, write to the Free Software	21	* along with this program; if not, write to the Free Software
21	* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.	22	* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
22	*---------------------------------------------------------------------*/	23	*---------------------------------------------------------------------*/
23		24
		25	#include <cmath>
24	#include "../config.h" /* NECESSARY */	26	#include "../config.h" /* NECESSARY */
25	#include "rxvt.h" /* NECESSARY */	27	#include "rxvt.h" /* NECESSARY */
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{ struct timeval tv;gettimeofday (&tv, NULL); tv.tv_sec -= (timing_test_##id##_stv).tv_sec;\
37	fprintf (stderr, "%s: %s: %d: elapsed %ld usec\n", #id, __FILE__, __LINE__,\
38	tv.tv_sec * 1000000 + tv.tv_usec - (timing_test_##id##_stv).tv_usec);}while (0)
39
40	#else
41	#define TIMING_TEST_START(id) do{}while (0)
42	#define TIMING_TEST_PRINT_RESULT(id) do{}while (0)
43	#endif	35	#endif
44		36
45	/*	37	/*
46	* Pixmap geometry string interpretation :	38	* Pixmap geometry string interpretation :
47	* Each geometry string contains zero or one scale/position	39	* Each geometry string contains zero or one scale/position
48	* 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
49	* colon-delimited pixmap operations.	41	* colon-delimited pixmap operations.
50	* The following table shows the valid geometry strings and their	42	* The following table shows the valid geometry strings and their
51	* affects on the background image :	43	* effects on the background image :
52	*	44	*
53	* 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%.
54	* W and H are percentages of the terminal window size.	46	* W and H are percentages of the terminal window size.
55	* X and Y are also percentages; e.g., +50+50 centers	47	* X and Y are also percentages; e.g., +50+50 centers
56	* the image in the window.	48	* the image in the window.
57	* WxH+X Assumes Y == X
58	* WxH Assumes Y == X == 50 (centers the image)
59	* W+X+Y Assumes H == W
60	* W+X Assumes H == W and Y == X
61	* W Assumes H == W and Y == X == 50
62	*
63	* Adjusting position only :
64	* =+X+Y Set position to X% by Y% (absolute).
65	* =+X Set position to X% by X%.
66	* +X+Y Adjust position horizontally X% and vertically Y%
67	* from current position (relative).
68	* +X Adjust position horizontally X% and vertically X%
69	* from current position.
70	*
71	* Adjusting scale only :
72	* Wx0 Multiply horizontal scaling factor by W%
73	* 0xH Multiply vertical scaling factor by H%
74	* 0x0 No scaling (show image at normal size).
75	*	49	*
76	* Pixmap Operations : (should be prepended by a colon)	50	* Pixmap Operations : (should be prepended by a colon)
77	* tile Tile image. Scaling/position modifiers above will affect	51	* tile Tile image. Scaling/position modifiers above will affect
78	* the tile size and origin.	52	* the tile size and origin.
79	* propscale When scaling, scale proportionally. That is, maintain the	53	* propscale When scaling, scale proportionally. That is, maintain the
80	* proper aspect ratio for the image. Any portion of the	54	* proper aspect ratio for the image. Any portion of the
81	* background not covered by the image is filled with the	55	* background not covered by the image is filled with the
82	* current background color.	56	* current background color.
83	* hscale Scale horizontally, tile vertically ?	57	* hscale Scale horizontally, tile vertically ?
84	* vscale Tile horizontally, scale vertically ?	58	* vscale Tile horizontally, scale vertically ?
85	* scale Scale both up and down	59	* scale Scale both up and down
86	* auto Same as 100x100+50+50	60	* auto Same as 100x100+50+50
87	*/	61	*/
88		62
89	#ifdef HAVE_BG_PIXMAP	63	#ifdef HAVE_BG_PIXMAP
90	bgPixmap_t::bgPixmap_t ()
91	{
92	// this is basically redundant as bgPixmap_t is only used in
93	// zero_initialised-derived structs
94	#ifdef HAVE_AFTERIMAGE
95	original_asim = NULL;
96	#endif
97	#ifdef BG_IMAGE_FROM_FILE
98	h_scale = v_scale = 0;
99	h_align = v_align = 0;
100	#endif
101	flags = 0;
102	pixmap = None;
103	valid_since = invalid_since = 0;
104	target = 0;
105	}
106
107	void	64	void
108	bgPixmap_t::destroy ()	65	rxvt_term::bg_destroy ()
109	{	66	{
110	#ifdef HAVE_AFTERIMAGE	67	#ifdef HAVE_AFTERIMAGE
111	if (original_asim)	68	if (original_asim)
112	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);
113	#endif	74	#endif
114		75
115	if (pixmap && target)	76	#ifdef HAVE_PIXBUF
		77	if (pixbuf)
		78	g_object_unref (pixbuf);
		79	#endif
		80
		81	if (bg_pixmap)
116	XFreePixmap (target->dpy, pixmap);	82	XFreePixmap (dpy, bg_pixmap);
117	}	83	}
118		84
119	bool	85	bool
120	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 ()
121	{	101	{
122	# ifdef ENABLE_TRANSPARENCY	102	# ifdef ENABLE_TRANSPARENCY
123	if (flags & isTransparent)	103	if (bg_flags & BG_IS_TRANSPARENT)
124	return true;	104	return true;
125	# endif	105	# endif
126		106
127	# ifdef BG_IMAGE_FROM_FILE	107	# ifdef BG_IMAGE_FROM_FILE
128	# ifdef HAVE_AFTERIMAGE	108	if (bg_flags & BG_IS_FROM_FILE)
129	if (original_asim)
130	# endif
131	{	109	{
132	if (h_scale != 0 || v_scale != 0	110	if (bg_flags & BG_IS_SIZE_SENSITIVE)
133	|| h_align != 0 || v_align != 0)
134	return true;	111	return true;
135	}	112	}
136	# endif	113	# endif
137		114
138	return false;	115	return false;
139	}	116	}
140		117
141	bool	118	bool
142	bgPixmap_t::window_position_sensitive ()	119	rxvt_term::bg_window_position_sensitive ()
143	{	120	{
144	# ifdef ENABLE_TRANSPARENCY	121	# ifdef ENABLE_TRANSPARENCY
145	if (flags & isTransparent)	122	if (bg_flags & BG_IS_TRANSPARENT)
146	return true;	123	return true;
147	# endif	124	# endif
148		125
149	# ifdef BG_IMAGE_FROM_FILE	126	# ifdef BG_IMAGE_FROM_FILE
150	# ifdef HAVE_AFTERIMAGE	127	if (bg_flags & BG_IS_FROM_FILE)
151	if (original_asim)
152	# endif
153	{	128	{
154	if (h_align == rootAlign || v_align == rootAlign)	129	if (bg_flags & BG_ROOT_ALIGN)
155	return true;	130	return true;
156	}	131	}
157	# endif	132	# endif
158		133
159	return false;
160	};
161
162	bool bgPixmap_t::need_client_side_rendering ()
163	{
164	# ifdef HAVE_AFTERIMAGE
165	if (original_asim)
166	return true;
167	# endif
168	# ifdef ENABLE_TRANSPARENCY
169	if (flags & isTransparent)
170	{
171	# ifdef HAVE_AFTERIMAGE // can't blur without libAI anyways
172	if ((flags & blurNeeded) && !(flags & blurServerSide))
173	return true;
174	# endif
175	if ((flags & tintNeeded) && !(flags & tintServerSide))
176	return true;
177	}
178	# endif
179	return false;	134	return false;
180	}	135	}
181		136
182	# ifdef BG_IMAGE_FROM_FILE	137	# ifdef BG_IMAGE_FROM_FILE
183	static inline bool	138	static inline bool
…		…
199	static inline bool	154	static inline bool
200	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)
201	{	156	{
202	if (geom_flags & flag)	157	if (geom_flags & flag)
203	{	158	{
204	if (new_value != bgPixmap_t::rootAlign)
205	{
206	if (new_value < -100)	159	if (new_value < -100)
207	new_value = -100;	160	new_value = -100;
208	else if (new_value > 200)	161	else if (new_value > 200)
209	new_value = 200;	162	new_value = 200;
210	}
211	if (new_value != align)	163	if (new_value != align)
212	{	164	{
213	align = new_value;	165	align = new_value;
214	return true;	166	return true;
215	}	167	}
…		…
219		171
220	static inline int	172	static inline int
221	make_align_position (int align, int window_size, int image_size)	173	make_align_position (int align, int window_size, int image_size)
222	{	174	{
223	int diff = window_size - image_size;	175	int diff = window_size - image_size;
224	int smaller = MIN (image_size,window_size);	176	int smaller = min (image_size, window_size);
225		177
226	if (align >= 0 && align <= 50)	178	if (align >= 0 && align <= 100)
227	return diff * align / 100;	179	return diff * align / 100;
228	else if (align > 50 && align <= 100)
229	return window_size - image_size - diff * (100 - align) / 100;
230	else if (align > 100 && align <= 200 )	180	else if (align > 100 && align <= 200)
231	return ((align - 100) * smaller / 100) + window_size - smaller;	181	return ((align - 100) * smaller / 100) + window_size - smaller;
232	else if (align > -100 && align < 0)	182	else if (align >= -100 && align < 0)
233	return ((align + 100) * smaller / 100) - image_size;	183	return ((align + 100) * smaller / 100) - image_size;
234	return 0;	184	return 0;
235	}	185	}
236		186
237	static inline int	187	static inline int
238	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)
239	{	189	{
240	int src_pos = 0;	190	int src_pos = 0;
241	dst_pos = 0;	191	dst_pos = pos;
242	dst_size = size;	192	dst_size = size;
243	if (pos < 0 && size > target_size)	193	if (pos < 0)
244	{	194	{
245	src_pos = -pos;	195	src_pos = -pos;
		196	dst_pos = 0;
246	dst_size += pos;	197	dst_size += pos;
247	}	198	}
248	else if (pos > 0)
249	dst_pos = pos;
250		199
251	if (dst_pos + dst_size > target_size)	200	if (dst_pos + dst_size > target_size)
252	dst_size = target_size - dst_pos;	201	dst_size = target_size - dst_pos;
253	return src_pos;	202	return src_pos;
254	}	203	}
255		204
256	bool	205	bool
257	bgPixmap_t::set_geometry (const char *geom)	206	rxvt_term::bg_set_geometry (const char *geom, bool update)
258	{	207	{
		208	bool changed = false;
259	int geom_flags = 0, changed = 0;	209	int geom_flags = 0;
260	int x = 0, y = 0;	210	int x = 0, y = 0;
261	unsigned int w = 0, h = 0;	211	unsigned int w = 0, h = 0;
262	unsigned int n;	212	unsigned int n;
263	unsigned long new_flags = (flags & (~geometryFlags));	213	unsigned long new_flags = (bg_flags & (~BG_GEOMETRY_FLAGS));
264	char *p;	214	const char *ops;
265	# define MAXLEN_GEOM 256 /* could be longer than regular geometry string */
266		215
267	if (geom == NULL)	216	if (geom == NULL)
268	return false;	217	return false;
269		218
270	char str[MAXLEN_GEOM];	219	char str[256];
271		220
272	while (isspace(*geom)) ++geom;
273	if ((p = strchr (geom, ';')) == NULL)
274	p = strchr (geom, '\0');	221	ops = strchr (geom, ':');
275		222	if (ops == NULL)
		223	n = strlen (geom);
		224	else
276	n = (p - geom);	225	n = ops - geom;
277	if (n < MAXLEN_GEOM)
278	{
279	char *ops;
280	new_flags |= geometrySet;
281		226
		227	if (n >= sizeof (str))
		228	return false;
		229
282	memcpy (str, geom, n);	230	memcpy (str, geom, n);
283	str[n] = '\0';	231	str[n] = '\0';
284	if (str[0] == ':')	232	rxvt_strtrim (str);
285	ops = &str[0];
286	else if (str[0] != 'x' && str[0] != 'X' && isalpha(str[0]))
287	ops = &str[0];
288	else
289	{
290	char *tmp;
291	ops = strchr (str, ':');
292	if (ops != NULL)
293	{
294	for (tmp = ops-1; tmp >= str && isspace(*tmp); --tmp);
295	*(++tmp) = '\0';
296	if (ops == tmp) ++ops;
297	}
298	}
299		233
300	if (ops > str || ops == NULL)	234	if (str[0])
301	{	235	{
302	/* 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 */
303	geom_flags = XParseGeometry (str, &x, &y, &w, &h);	237	geom_flags = XParseGeometry (str, &x, &y, &w, &h);
304
305	if ((geom_flags & XValue) && !(geom_flags & YValue))
306	{
307	y = x;
308	geom_flags |= YValue;
309	}
310
311	if (flags & geometrySet)
312	{
313	/* new geometry is an adjustment to the old one ! */
314	if ((geom_flags & WidthValue) && (geom_flags & HeightValue))
315	{
316	if (w == 0 && h != 0)
317	{
318	w = h_scale;
319	h = (v_scale * h) / 100;
320	}
321	else if (h == 0 && w != 0)
322	{
323	w = (h_scale * w) / 100;
324	h = v_scale;
325	}
326	}
327	if (geom_flags & XValue)
328	{
329	if (str[0] != '=')
330	{
331	y += v_align;
332	x += h_align;
333	}
334	}
335	}
336	else /* setting up geometry from scratch */
337	{
338	if (!(geom_flags & XValue))
339	{
340	/* use default geometry - centered */
341	x = y = defaultAlign;
342	}
343	else if (!(geom_flags & YValue))
344	y = x;
345
346	if ((geom_flags & (WidthValue|HeightValue)) == 0)
347	{
348	/* use default geometry - scaled */
349	w = h = defaultScale;
350	}
351	else if (geom_flags & WidthValue)
352	{
353	if (!(geom_flags & HeightValue))
354	h = w;
355	}
356	else
357	w = h;
358	}
359	} /* done parsing geometry string */	238	} /* done parsing geometry string */
360	else if (!(flags & geometrySet))	239
361	{	240	if (!update)
362	/* default geometry - scaled and centered */	241	{
		242	if (!(geom_flags & XValue))
363	x = y = defaultAlign;	243	x = y = defaultAlign;
		244	else if (!(geom_flags & YValue))
		245	y = x;
		246
		247	if (!(geom_flags & (WidthValue|HeightValue)))
364	w = h = defaultScale;	248	w = h = defaultScale;
365	}	249	else if (!(geom_flags & HeightValue))
		250	h = w;
		251	else if (!(geom_flags & WidthValue))
		252	w = h;
366		253
367	if (!(flags & geometrySet))
368	geom_flags |= WidthValue|HeightValue|XValue|YValue;	254	geom_flags |= WidthValue|HeightValue|XValue|YValue;
		255	}
369		256
370	if (ops)	257	if (ops)
371	{	258	{
372	while (*ops)	259	char **arr = rxvt_strsplit (':', ops + 1);
		260
		261	for (int i = 0; arr[i]; i++)
373	{	262	{
374	while (*ops == ':' || isspace(*ops)) ++ops;	263	if (!strcasecmp (arr[i], "tile"))
375
376	# define CHECK_GEOM_OPS(op_str) (strncasecmp (ops, (op_str), sizeof (op_str) - 1) == 0)
377	if (CHECK_GEOM_OPS ("tile"))
378	{	264	{
379	w = h = noScale;	265	w = h = noScale;
380	geom_flags |= WidthValue|HeightValue;	266	geom_flags |= WidthValue|HeightValue;
381	}	267	}
382	else if (CHECK_GEOM_OPS ("propscale"))	268	else if (!strcasecmp (arr[i], "propscale"))
383	{	269	{
384	if (w == 0 && h == 0)	270	new_flags |= BG_PROP_SCALE;
385	{
386	w = windowScale;
387	geom_flags |= WidthValue;
388	}
389	new_flags |= propScale;
390	}	271	}
391	else if (CHECK_GEOM_OPS ("hscale"))	272	else if (!strcasecmp (arr[i], "hscale"))
392	{	273	{
393	if (w == 0) w = windowScale;	274	if (w == 0) w = windowScale;
394		275
395	h = noScale;	276	h = noScale;
396	geom_flags |= WidthValue|HeightValue;	277	geom_flags |= WidthValue|HeightValue;
397	}	278	}
398	else if (CHECK_GEOM_OPS ("vscale"))	279	else if (!strcasecmp (arr[i], "vscale"))
399	{	280	{
400	if (h == 0) h = windowScale;	281	if (h == 0) h = windowScale;
401		282
402	w = noScale;	283	w = noScale;
403	geom_flags |= WidthValue|HeightValue;	284	geom_flags |= WidthValue|HeightValue;
404	}	285	}
405	else if (CHECK_GEOM_OPS ("scale"))	286	else if (!strcasecmp (arr[i], "scale"))
406	{	287	{
407	if (h == 0) h = windowScale;	288	if (h == 0) h = windowScale;
408	if (w == 0) w = windowScale;	289	if (w == 0) w = windowScale;
409		290
410	geom_flags |= WidthValue|HeightValue;	291	geom_flags |= WidthValue|HeightValue;
411	}	292	}
412	else if (CHECK_GEOM_OPS ("auto"))	293	else if (!strcasecmp (arr[i], "auto"))
413	{	294	{
414	w = h = windowScale;	295	w = h = windowScale;
415	x = y = centerAlign;	296	x = y = centerAlign;
416	geom_flags |= WidthValue|HeightValue|XValue|YValue;	297	geom_flags |= WidthValue|HeightValue|XValue|YValue;
417	}	298	}
418	else if (CHECK_GEOM_OPS ("root"))	299	else if (!strcasecmp (arr[i], "root"))
419	{	300	{
		301	new_flags |= BG_ROOT_ALIGN;
420	w = h = noScale;	302	w = h = noScale;
421	x = y = rootAlign;
422	geom_flags |= WidthValue|HeightValue|XValue|YValue;	303	geom_flags |= WidthValue|HeightValue;
423	}	304	}
424	# undef CHECK_GEOM_OPS
425
426	while (*ops != ':' && *ops != '\0') ++ops;
427	} /* done parsing ops */	305	} /* done parsing ops */
428	}
429		306
		307	rxvt_free_strsplit (arr);
		308	}
		309
430	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;
431	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;
432	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;
433	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;
434	}
435		314
436	if (new_flags != flags)	315	if (new_flags != bg_flags)
437	{	316	{
438	flags = new_flags;	317	bg_flags = new_flags;
439	changed++;	318	changed = true;
440	}	319	}
441		320
442	//fprintf (stderr, "flags = %lX, scale = %ux%u, align=%+d%+d\n",
443	// flags, h_scale, v_scale, h_align, v_align);
444	return (changed > 0);	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;
445	}	362	}
446		363
447	# ifdef HAVE_AFTERIMAGE	364	# ifdef HAVE_AFTERIMAGE
448	bool	365	bool
449	bgPixmap_t::render_asim (ASImage *background, ARGB32 background_tint)	366	rxvt_term::render_image (unsigned long tr_flags)
450	{	367	{
451	if (target == NULL)	368	init_asv ();
452	return false;
453		369
454	int target_width = (int)target->szHint.width;	370	ASImage *background = NULL;
455	int target_height = (int)target->szHint.height;	371	ARGB32 background_tint = TINT_LEAVE_SAME;
456	int new_pmap_width = target_width, new_pmap_height = target_height;	372
		373	# ifdef ENABLE_TRANSPARENCY
		374	if (tr_flags)
		375	background = pixmap2ximage (asv, bg_pixmap, 0, 0, bg_pmap_width, bg_pmap_height, AllPlanes, 100);
		376
		377	if (tr_flags & BG_NEEDS_TINT)
		378	{
		379	ShadingInfo as_shade;
		380	as_shade.shading = shade;
		381
		382	rgba c (rgba::MAX_CC,rgba::MAX_CC,rgba::MAX_CC);
		383	if (bg_flags & BG_TINT_SET)
		384	tint.get (c);
		385	as_shade.tintColor.red = c.r;
		386	as_shade.tintColor.green = c.g;
		387	as_shade.tintColor.blue = c.b;
		388
		389	background_tint = shading2tint32 (&as_shade);
		390	}
		391
		392	if ((tr_flags & BG_NEEDS_BLUR) && background != NULL)
		393	{
		394	ASImage *tmp = blur_asimage_gauss (asv, background, h_blurRadius, v_blurRadius, 0xFFFFFFFF,
		395	(original_asim == NULL || tint == TINT_LEAVE_SAME) ? ASA_XImage : ASA_ASImage,
		396	100, ASIMAGE_QUALITY_DEFAULT);
		397	if (tmp)
		398	{
		399	destroy_asimage (&background);
		400	background = tmp;
		401	}
		402	}
		403	# endif
		404
457	ASImage *result = NULL;	405	ASImage *result = 0;
		406
		407	int target_width = szHint.width;
		408	int target_height = szHint.height;
		409	int new_pmap_width = target_width;
		410	int new_pmap_height = target_height;
458		411
459	int x = 0;	412	int x = 0;
460	int y = 0;	413	int y = 0;
461	int w = h_scale * target_width / 100;	414	int w = 0;
462	int h = v_scale * target_height / 100;	415	int h = 0;
463
464	TIMING_TEST_START (asim);
465		416
466	if (original_asim)	417	if (original_asim)
467	{	418	get_image_geometry (original_asim->width, original_asim->height, w, h, x, y);
468	if (h_align == rootAlign || v_align == rootAlign)
469	{
470	target->get_window_origin(x, y);
471	x = -x;
472	y = -y;
473	}
474
475	if (h_align != rootAlign)
476	x = make_align_position (h_align, target_width, w > 0 ? w : (int)original_asim->width);
477
478	if (v_align != rootAlign)
479	y = make_align_position (v_align, target_height, h > 0 ? h : (int)original_asim->height);
480	}
481		419
482	if (!original_asim	420	if (!original_asim
		421	|| (!(bg_flags & BG_ROOT_ALIGN)
483	|| x >= target_width	422	&& (x >= target_width
484	|| y >= target_height	423	|| y >= target_height
485	|| (w > 0 && x + w <= 0)	424	|| (x + w <= 0)
486	|| (h > 0 && y + h <= 0))	425	|| (y + h <= 0))))
487	{	426	{
488	if (background)	427	if (background)
489	{	428	{
490	new_pmap_width = background->width;	429	new_pmap_width = background->width;
491	new_pmap_height = background->height;	430	new_pmap_height = background->height;
492	result = background;	431	result = background;
493		432
494	if (background_tint != TINT_LEAVE_SAME)	433	if (background_tint != TINT_LEAVE_SAME)
495	{	434	{
496	ASImage* tmp = tile_asimage (target->asv, background, 0, 0,	435	ASImage *tmp = tile_asimage (asv, background, 0, 0,
497	target_width, target_height, background_tint,	436	target_width, target_height, background_tint,
498	ASA_XImage, 100, ASIMAGE_QUALITY_DEFAULT);	437	ASA_XImage, 100, ASIMAGE_QUALITY_DEFAULT);
499	if (tmp)	438	if (tmp)
500	result = tmp;	439	result = tmp;
501	}	440	}
…		…
505	}	444	}
506	else	445	else
507	{	446	{
508	result = original_asim;	447	result = original_asim;
509		448
510	if ((w > 0 && w != original_asim->width)	449	if ((w != original_asim->width)
511	|| (h > 0 && h != original_asim->height))	450	|| (h != original_asim->height))
512	{	451	{
513	result = scale_asimage (target->asv, original_asim,	452	result = scale_asimage (asv, original_asim,
514	w > 0 ? w : original_asim->width,	453	w, h,
515	h > 0 ? h : original_asim->height,
516	background ? ASA_ASImage : ASA_XImage,	454	background ? ASA_ASImage : ASA_XImage,
517	100, ASIMAGE_QUALITY_DEFAULT);	455	100, ASIMAGE_QUALITY_DEFAULT);
518	}	456	}
519		457
520	if (background == NULL)	458	if (background == NULL)
521	{	459	{
522	/* if tiling - pixmap has to be sized exactly as the image,
523	but there is no need to make it bigger than the window! */
524	if (h_scale == 0)
525	new_pmap_width = min (result->width, target_width);
526	if (v_scale == 0)
527	new_pmap_height = min (result->height, target_height);
528	/* we also need to tile our image in one or both directions */
529	if (h_scale == 0 || v_scale == 0)	460	if (h_scale == 0 || v_scale == 0)
530	{	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 */
531	ASImage *tmp = tile_asimage (target->asv, result,	468	ASImage *tmp = tile_asimage (asv, result,
532	(h_scale > 0) ? 0 : (int)result->width - x,	469	(int)result->width - x,
533	(v_scale > 0) ? 0 : (int)result->height - y,	470	(int)result->height - y,
534	new_pmap_width,	471	new_pmap_width,
535	new_pmap_height,	472	new_pmap_height,
536	TINT_LEAVE_SAME, ASA_XImage,	473	TINT_LEAVE_SAME, ASA_XImage,
537	100, ASIMAGE_QUALITY_DEFAULT);	474	100, ASIMAGE_QUALITY_DEFAULT);
538	if (tmp)	475	if (tmp)
539	{	476	{
…		…
546	}	483	}
547	else	484	else
548	{	485	{
549	/* if blending background and image - pixmap has to be sized same as target window */	486	/* if blending background and image - pixmap has to be sized same as target window */
550	ASImageLayer *layers = create_image_layers (2);	487	ASImageLayer *layers = create_image_layers (2);
551	ASImage *merged_im = NULL;
552		488
553	layers[0].im = background;	489	layers[0].im = background;
554	layers[0].clip_width = target_width;	490	layers[0].clip_width = target_width;
555	layers[0].clip_height = target_height;	491	layers[0].clip_height = target_height;
556	layers[0].tint = background_tint;	492	layers[0].tint = background_tint;
557	layers[1].im = result;	493	layers[1].im = result;
558		494
559	if (w <= 0)	495	if (h_scale == 0 || v_scale == 0)
560	{	496	{
561	/* tile horizontally */	497	/* tile horizontally */
562	while (x > 0) x -= (int)result->width;	498	while (x > 0) x -= (int)result->width;
563	layers[1].dst_x = x;	499	layers[1].dst_x = x;
564	layers[1].clip_width = result->width+target_width;	500	layers[1].clip_width = result->width+target_width;
…		…
568	/* clip horizontally */	504	/* clip horizontally */
569	layers[1].dst_x = x;	505	layers[1].dst_x = x;
570	layers[1].clip_width = result->width;	506	layers[1].clip_width = result->width;
571	}	507	}
572		508
573	if (h <= 0)	509	if (h_scale == 0 || v_scale == 0)
574	{	510	{
575	while (y > 0) y -= (int)result->height;	511	while (y > 0) y -= (int)result->height;
576	layers[1].dst_y = y;	512	layers[1].dst_y = y;
577	layers[1].clip_height = result->height + target_height;	513	layers[1].clip_height = result->height + target_height;
578	}	514	}
…		…
580	{	516	{
581	layers[1].dst_y = y;	517	layers[1].dst_y = y;
582	layers[1].clip_height = result->height;	518	layers[1].clip_height = result->height;
583	}	519	}
584		520
585	if (target->rs[Rs_blendtype])	521	if (rs[Rs_blendtype])
586	{	522	{
587	layers[1].merge_scanlines = blend_scanlines_name2func (target->rs[Rs_blendtype]);	523	layers[1].merge_scanlines = blend_scanlines_name2func (rs[Rs_blendtype]);
588	if (layers[1].merge_scanlines == NULL)	524	if (layers[1].merge_scanlines == NULL)
589	layers[1].merge_scanlines = alphablend_scanlines;	525	layers[1].merge_scanlines = alphablend_scanlines;
590	}	526	}
591		527
592	ASImage *tmp = merge_layers (target->asv, layers, 2, target_width, target_height,	528	ASImage *tmp = merge_layers (asv, layers, 2, target_width, target_height,
593	ASA_XImage, 0, ASIMAGE_QUALITY_DEFAULT);	529	ASA_XImage, 0, ASIMAGE_QUALITY_DEFAULT);
594		530
595	if (tmp)	531	if (tmp)
596	{	532	{
597	if (result != original_asim)	533	if (result != original_asim)
…		…
601	}	537	}
602		538
603	free (layers);	539	free (layers);
604	}	540	}
605	}	541	}
606	TIMING_TEST_PRINT_RESULT (asim);
607		542
608	if (pixmap)	543	bool ret = false;
609	{
610	if (result == NULL
611	|| pmap_width != new_pmap_width
612	|| pmap_height != new_pmap_height
613	|| pmap_depth != target->depth)
614	{
615	XFreePixmap (target->dpy, pixmap);
616	pixmap = None;
617	}
618	}
619		544
620	if (result)	545	if (result)
621	{	546	{
622	XGCValues gcv;	547	XGCValues gcv;
623	GC gc;	548	GC gc;
624		549
625	/* create Pixmap */	550	/* create Pixmap */
626	if (pixmap == None)	551	if (bg_pixmap == None
		552	|| bg_pmap_width != new_pmap_width
		553	|| bg_pmap_height != new_pmap_height)
627	{	554	{
		555	if (bg_pixmap)
		556	XFreePixmap (dpy, bg_pixmap);
628	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);
629	pmap_width = new_pmap_width;	558	bg_pmap_width = new_pmap_width;
630	pmap_height = new_pmap_height;	559	bg_pmap_height = new_pmap_height;
631	pmap_depth = target->depth;
632	}	560	}
633	/* fill with background color ( if result's not completely overlapping it)*/	561	/* fill with background color (if result's not completely overlapping it) */
634	gcv.foreground = target->pix_colors[Color_bg];	562	gcv.foreground = pix_colors[Color_bg];
635	gc = XCreateGC (target->dpy, target->vt, GCForeground, &gcv);	563	gc = XCreateGC (dpy, vt, GCForeground, &gcv);
636		564
637	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;
638	int dst_width = result->width, dst_height = result->height;	566	int dst_width = result->width, dst_height = result->height;
639	if (background == NULL)	567	if (background == NULL)
640	{	568	{
		569	if (!(h_scale == 0 || v_scale == 0))
		570	{
641	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 );
642	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	}
643		574
644	if (dst_x > 0 || dst_y > 0	575	if (dst_x > 0 || dst_y > 0
645	|| dst_x + dst_width < new_pmap_width	576	|| dst_x + dst_width < new_pmap_width
646	|| dst_y + dst_height < new_pmap_height)	577	|| dst_y + dst_height < new_pmap_height)
647	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);
648	}	579	}
649		580
650	/* put result on pixmap */	581	/* put result on pixmap */
651	if (dst_x < new_pmap_width && dst_y < new_pmap_height)	582	if (dst_x < new_pmap_width && dst_y < new_pmap_height)
652	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);
653		584
654	if (result != background && result != original_asim)	585	if (result != background && result != original_asim)
655	destroy_asimage (&result);	586	destroy_asimage (&result);
656		587
657	XFreeGC (target->dpy, gc);	588	XFreeGC (dpy, gc);
658	TIMING_TEST_PRINT_RESULT (asim);	589
		590	ret = true;
		591	}
		592
		593	if (background)
		594	destroy_asimage (&background);
		595
		596	return ret;
		597	}
		598	# endif /* HAVE_AFTERIMAGE */
		599
		600	# ifdef HAVE_PIXBUF
		601	bool
		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)
		605	{
		606	XImage *ximage;
		607	char *data, *line;
		608	int bytes_per_pixel;
		609	int width_r, width_g, width_b;
		610	int sh_r, sh_g, sh_b;
		611	int rowstride;
		612	int channels;
		613	unsigned char *row;
		614
		615	if (visual->c_class != TrueColor)
		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)
659	}	646	{
		647	free (data);
		648	return false;
		649	}
660		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);
661	return true;	681	return true;
662	}	682	}
663	# endif /* HAVE_AFTERIMAGE */
664		683
665	bool	684	bool
666	bgPixmap_t::set_file (const char *file)	685	rxvt_term::render_image (unsigned long tr_flags)
667	{	686	{
668	char *f;	687	if (!pixbuf)
		688	return false;
669		689
670	assert (file);	690	if (tr_flags
		691	&& !(bg_flags & BG_HAS_RENDER))
		692	return false;
671		693
672	if (*file)	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);
673	{	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
		859	if (const char *p = strchr (file, ';'))
		860	{
		861	size_t len = p - file;
		862	char *f = rxvt_temp_buf<char> (len + 1);
		863	memcpy (f, file, len);
		864	f[len] = '\0';
		865	file = f;
		866	}
		867
674	# ifdef HAVE_AFTERIMAGE	868	# ifdef HAVE_AFTERIMAGE
675	if (target->asimman == NULL)	869	if (!asimman)
676	target->asimman = create_generic_imageman (target->rs[Rs_path]);	870	asimman = create_generic_imageman (rs[Rs_path]);
677
678	if ((f = strchr (file, ';')) == NULL)
679	original_asim = get_asimage (target->asimman, file, 0xFFFFFFFF, 100);	871	ASImage *image = get_asimage (asimman, file, 0xFFFFFFFF, 100);
680	else	872	if (image)
681	{	873	{
682	size_t len = f - file;	874	if (original_asim)
683	f = (char *)malloc (len + 1);	875	safe_asimage_destroy (original_asim);
684	memcpy (f, file, len);	876	original_asim = image;
685	f[len] = '\0';	877	bg_flags |= BG_IS_FROM_FILE | BG_CLIENT_RENDER;
686	original_asim = get_asimage (target->asimman, f, 0xFFFFFFFF, 100);	878	return true;
687	free (f);	879	}
688	}
689
690	return original_asim;
691	# endif	880	# endif
		881
		882	# ifdef HAVE_PIXBUF
		883	GdkPixbuf *image = gdk_pixbuf_new_from_file (file, NULL);
		884	if (image)
692	}	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
693		893
694	return false;	894	return false;
695	}	895	}
696		896
697	# endif /* BG_IMAGE_FROM_FILE */	897	# endif /* BG_IMAGE_FROM_FILE */
698		898
699	# ifdef ENABLE_TRANSPARENCY	899	# ifdef ENABLE_TRANSPARENCY
700	bool	900	bool
701	bgPixmap_t::set_transparent ()	901	rxvt_term::bg_set_transparent ()
702	{	902	{
703	if (!(flags & isTransparent))	903	if (!(bg_flags & BG_IS_TRANSPARENT))
704	{	904	{
705	flags |= isTransparent;	905	bg_flags |= BG_IS_TRANSPARENT;
706	return true;	906	return true;
707	}	907	}
708		908
709	return false;	909	return false;
710	}	910	}
711		911
712	bool	912	bool
713	bgPixmap_t::set_blur_radius (const char *geom)	913	rxvt_term::bg_set_blur (const char *geom)
714	{	914	{
715	int changed = 0;	915	bool changed = false;
716	unsigned int hr, vr;	916	unsigned int hr, vr;
717	int junk;	917	int junk;
718	int geom_flags = XParseGeometry (geom, &junk, &junk, &hr, &vr);	918	int geom_flags = XParseGeometry (geom, &junk, &junk, &hr, &vr);
719		919
720	if (!(geom_flags&WidthValue))	920	if (!(geom_flags & WidthValue))
721	hr = 1;	921	hr = 1;
722	if (!(geom_flags&HeightValue))	922	if (!(geom_flags & HeightValue))
723	vr = hr;	923	vr = hr;
724		924
		925	min_it (hr, 128);
		926	min_it (vr, 128);
		927
725	if (h_blurRadius != hr)	928	if (h_blurRadius != hr)
726	{	929	{
727	++changed;	930	changed = true;
728	h_blurRadius = hr;	931	h_blurRadius = hr;
729	}	932	}
730		933
731	if (v_blurRadius != vr)	934	if (v_blurRadius != vr)
732	{	935	{
733	++changed;	936	changed = true;
734	v_blurRadius = vr;	937	v_blurRadius = vr;
735	}	938	}
736		939
737	if (v_blurRadius == 0 && h_blurRadius == 0)	940	if (v_blurRadius == 0 && h_blurRadius == 0)
738	flags &= ~blurNeeded;	941	bg_flags &= ~BG_NEEDS_BLUR;
739	else	942	else
740	flags |= blurNeeded;	943	bg_flags |= BG_NEEDS_BLUR;
741		944
742	return (changed>0);	945	return changed;
743	}	946	}
744		947
745	static inline unsigned long	948	static inline unsigned long
746	compute_tint_shade_flags (rxvt_color *tint, int shade)	949	compute_tint_shade_flags (rxvt_color *tint, int shade)
747	{	950	{
748	unsigned long flags = 0;	951	unsigned long flags = 0;
749	rgba c (rgba::MAX_CC,rgba::MAX_CC,rgba::MAX_CC);	952	rgba c (rgba::MAX_CC,rgba::MAX_CC,rgba::MAX_CC);
750	bool has_shade = (shade > 0 && shade < 100) || (shade > 100 && shade < 200);	953	bool has_shade = shade != 100;
751		954
752	if (tint)	955	if (tint)
753	{	956	{
754	tint->get (c);	957	tint->get (c);
755	# define IS_COMPONENT_WHOLESOME(cmp) ((cmp) <= 0x000700 || (cmp) >= 0x00f700)
756	if (!has_shade && IS_COMPONENT_WHOLESOME (c.r)
757	&& IS_COMPONENT_WHOLESOME (c.g)
758	&& IS_COMPONENT_WHOLESOME (c.b))
759	flags |= bgPixmap_t::tintWholesome;
760	# undef IS_COMPONENT_WHOLESOME
761	}
762
763	if (has_shade)	958	if (!has_shade
764	flags |= bgPixmap_t::tintNeeded;	959	&& (c.r <= 0x00ff || c.r >= 0xff00)
765	else if (tint)	960	&& (c.g <= 0x00ff || c.g >= 0xff00)
766	{	961	&& (c.b <= 0x00ff || c.b >= 0xff00))
767	if ((c.r > 0x000700 || c.g > 0x000700 || c.b > 0x000700)	962	flags |= rxvt_term::BG_TINT_BITAND;
768	&& (c.r < 0x00f700 || c.g < 0x00f700 || c.b < 0x00f700))
769	{
770	flags |= bgPixmap_t::tintNeeded;
771	}	963	}
772	}
773		964
774	if (flags & bgPixmap_t::tintNeeded)	965	if (has_shade || tint)
775	{	966	flags |= rxvt_term::BG_NEEDS_TINT;
776	if (flags & bgPixmap_t::tintWholesome)
777	flags |= bgPixmap_t::tintServerSide;
778	else
779	{
780	#if XFT
781	flags |= bgPixmap_t::tintServerSide;
782	#endif
783	}
784	}
785		967
786	return flags;	968	return flags;
787	}	969	}
788		970
789	bool	971	bool
790	bgPixmap_t::set_tint (rxvt_color &new_tint)	972	rxvt_term::bg_set_tint (rxvt_color &new_tint)
791	{	973	{
792	if (tint != new_tint)	974	if (!(bg_flags & BG_TINT_SET) || tint != new_tint)
793	{	975	{
794	unsigned long new_flags = compute_tint_shade_flags (&new_tint, shade);	976	unsigned long new_flags = compute_tint_shade_flags (&new_tint, shade);
795	tint = new_tint;	977	tint = new_tint;
796	flags = (flags & ~tintFlags) | new_flags | tintSet;	978	bg_flags = (bg_flags & ~BG_TINT_FLAGS) | new_flags | BG_TINT_SET;
797	return true;	979	return true;
798	}	980	}
799		981
800	return false;	982	return false;
801	}	983	}
802		984
803	bool	985	bool
804	bgPixmap_t::unset_tint ()	986	rxvt_term::bg_set_shade (const char *shade_str)
805	{	987	{
		988	int new_shade = (shade_str) ? atoi (shade_str) : 100;
		989
		990	clamp_it (new_shade, -100, 200);
		991	if (new_shade < 0)
		992	new_shade = 200 - (100 + new_shade);
		993
		994	if (new_shade != shade)
		995	{
806	unsigned long new_flags = compute_tint_shade_flags (NULL, shade);	996	unsigned long new_flags = compute_tint_shade_flags ((bg_flags & BG_TINT_SET) ? &tint : NULL, new_shade);
807		997	shade = new_shade;
808	if (new_flags != (flags & tintFlags))	998	bg_flags = (bg_flags & ~BG_TINT_FLAGS) | new_flags;
809	{
810	flags = (flags&~tintFlags)|new_flags;
811	return true;	999	return true;
812	}	1000	}
813		1001
814	return false;	1002	return false;
815	}	1003	}
816		1004
		1005	#if XRENDER
		1006	static void
		1007	get_gaussian_kernel (int radius, int width, double *kernel, XFixed *params)
		1008	{
		1009	double sigma = radius / 2.0;
		1010	double scale = sqrt (2.0 * M_PI) * sigma;
		1011	double sum = 0.0;
		1012
		1013	for (int i = 0; i < width; i++)
		1014	{
		1015	double x = i - width / 2;
		1016	kernel[i] = exp (-(x * x) / (2.0 * sigma * sigma)) / scale;
		1017	sum += kernel[i];
		1018	}
		1019
		1020	params[0] = XDoubleToFixed (width);
		1021	params[1] = XDoubleToFixed (1);
		1022
		1023	for (int i = 0; i < width; i++)
		1024	params[i+2] = XDoubleToFixed (kernel[i] / sum);
		1025	}
		1026	#endif
		1027
817	bool	1028	bool
818	bgPixmap_t::set_shade (const char *shade_str)	1029	rxvt_term::blur_pixmap (Pixmap pixmap, Visual *visual, int width, int height)
819	{	1030	{
820	int new_shade = (shade_str) ? atoi (shade_str) : 0;	1031	bool ret = false;
		1032	#if XRENDER
		1033	int size = max (h_blurRadius, v_blurRadius) * 2 + 1;
		1034	double *kernel = (double *)malloc (size * sizeof (double));
		1035	XFixed *params = (XFixed *)malloc ((size + 2) * sizeof (XFixed));
821		1036
822	if (new_shade < 0 && new_shade > -100)	1037	XRenderPictureAttributes pa;
823	new_shade = 200 - (100 + new_shade);	1038	XRenderPictFormat *format = XRenderFindVisualFormat (dpy, visual);
824	else if (new_shade == 100)
825	new_shade = 0;
826		1039
827	if (new_shade != shade)	1040	Picture src = XRenderCreatePicture (dpy, pixmap, format, 0, &pa);
		1041	Picture dst = XRenderCreatePicture (dpy, pixmap, format, 0, &pa);
		1042
		1043	if (kernel && params && src && dst)
828	{	1044	{
829	unsigned long new_flags = compute_tint_shade_flags ((flags & tintSet) ? &tint : NULL, new_shade);	1045	if (h_blurRadius)
830	shade = new_shade;	1046	{
831	flags = (flags & (~tintFlags | tintSet)) | new_flags;	1047	size = h_blurRadius * 2 + 1;
		1048	get_gaussian_kernel (h_blurRadius, size, kernel, params);
		1049
		1050	XRenderSetPictureFilter (dpy, src, FilterConvolution, params, size+2);
		1051	XRenderComposite (dpy,
		1052	PictOpSrc,
		1053	src,
		1054	None,
		1055	dst,
		1056	0, 0,
		1057	0, 0,
		1058	0, 0,
		1059	width, height);
		1060	}
		1061
		1062	if (v_blurRadius)
		1063	{
		1064	size = v_blurRadius * 2 + 1;
		1065	get_gaussian_kernel (v_blurRadius, size, kernel, params);
		1066	::swap (params[0], params[1]);
		1067
		1068	XRenderSetPictureFilter (dpy, src, FilterConvolution, params, size+2);
		1069	XRenderComposite (dpy,
		1070	PictOpSrc,
		1071	src,
		1072	None,
		1073	dst,
		1074	0, 0,
		1075	0, 0,
		1076	0, 0,
		1077	width, height);
		1078	}
		1079
832	return true;	1080	ret = true;
		1081	}
		1082
		1083	free (kernel);
		1084	free (params);
		1085	XRenderFreePicture (dpy, src);
		1086	XRenderFreePicture (dpy, dst);
		1087	#endif
		1088	return ret;
		1089	}
		1090
		1091	bool
		1092	rxvt_term::tint_pixmap (Pixmap pixmap, Visual *visual, int width, int height)
		1093	{
		1094	bool ret = false;
		1095
		1096	if (bg_flags & BG_TINT_BITAND)
833	}	1097	{
		1098	XGCValues gcv;
		1099	GC gc;
834		1100
		1101	/* In this case we can tint image server-side getting significant
		1102	* performance improvements, as we eliminate XImage transfer
		1103	*/
		1104	gcv.foreground = Pixel (tint);
		1105	gcv.function = GXand;
		1106	gcv.fill_style = FillSolid;
		1107	gc = XCreateGC (dpy, pixmap, GCFillStyle | GCForeground | GCFunction, &gcv);
		1108	if (gc)
		1109	{
		1110	XFillRectangle (dpy, pixmap, gc, 0, 0, width, height);
		1111	ret = true;
		1112	XFreeGC (dpy, gc);
		1113	}
		1114	}
		1115	else
		1116	{
		1117	# if XRENDER
		1118	rgba c (rgba::MAX_CC,rgba::MAX_CC,rgba::MAX_CC);
		1119
		1120	if (bg_flags & BG_TINT_SET)
		1121	tint.get (c);
		1122
		1123	if (shade <= 100)
		1124	{
		1125	c.r = (c.r * shade) / 100;
		1126	c.g = (c.g * shade) / 100;
		1127	c.b = (c.b * shade) / 100;
		1128	}
		1129	else
		1130	{
		1131	c.r = (c.r * (200 - shade)) / 100;
		1132	c.g = (c.g * (200 - shade)) / 100;
		1133	c.b = (c.b * (200 - shade)) / 100;
		1134	}
		1135
		1136	XRenderPictFormat *solid_format = XRenderFindStandardFormat (dpy, PictStandardARGB32);
		1137	XRenderPictFormat *format = XRenderFindVisualFormat (dpy, visual);
		1138	XRenderPictureAttributes pa;
		1139
		1140	Picture back_pic = XRenderCreatePicture (dpy, pixmap, format, 0, &pa);
		1141
		1142	pa.repeat = True;
		1143
		1144	Pixmap overlay_pmap = XCreatePixmap (dpy, pixmap, 1, 1, 32);
		1145	Picture overlay_pic = XRenderCreatePicture (dpy, overlay_pmap, solid_format, CPRepeat, &pa);
		1146	XFreePixmap (dpy, overlay_pmap);
		1147
		1148	pa.component_alpha = True;
		1149	Pixmap mask_pmap = XCreatePixmap (dpy, pixmap, 1, 1, 32);
		1150	Picture mask_pic = XRenderCreatePicture (dpy, mask_pmap, solid_format, CPRepeat|CPComponentAlpha, &pa);
		1151	XFreePixmap (dpy, mask_pmap);
		1152
		1153	if (mask_pic && overlay_pic && back_pic)
		1154	{
		1155	XRenderColor mask_c;
		1156
		1157	mask_c.red = mask_c.green = mask_c.blue = 0;
		1158	mask_c.alpha = 0xffff;
		1159	XRenderFillRectangle (dpy, PictOpSrc, overlay_pic, &mask_c, 0, 0, 1, 1);
		1160
		1161	mask_c.alpha = 0;
		1162	mask_c.red = 0xffff - c.r;
		1163	mask_c.green = 0xffff - c.g;
		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
		1184	}
		1185
835	return false;	1186	return ret;
836	}	1187	}
837		1188
838	/* make_transparency_pixmap()	1189	/* make_transparency_pixmap()
839	* 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
840	* 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
841	* our window.	1192	* our window.
842	*/	1193	*/
843	unsigned long	1194	unsigned long
844	bgPixmap_t::make_transparency_pixmap ()	1195	rxvt_term::make_transparency_pixmap ()
845	{	1196	{
846	unsigned long result = 0;	1197	unsigned long result = 0;
847		1198
848	if (target == NULL)
849	return 0;
850
851	/* root dimentions may change from call to call - but Display structure should	1199	/* root dimensions may change from call to call - but Display structure should
852	* be always up-to-date, so let's use it :	1200	* be always up-to-date, so let's use it :
853	*/	1201	*/
854	Window root = target->display->root;
855	int screen = target->display->screen;	1202	int screen = display->screen;
856	Display *dpy = target->dpy;	1203	int root_depth = DefaultDepth (dpy, screen);
857	int root_width = DisplayWidth (dpy, screen);	1204	int root_width = DisplayWidth (dpy, screen);
858	int root_height = DisplayHeight (dpy, screen);	1205	int root_height = DisplayHeight (dpy, screen);
859	unsigned int root_pmap_width, root_pmap_height;	1206	unsigned int root_pmap_width, root_pmap_height;
860	int window_width = target->szHint.width;	1207	int window_width = szHint.width;
861	int window_height = target->szHint.height;	1208	int window_height = szHint.height;
862	int sx, sy;	1209	int sx, sy;
863	XGCValues gcv;	1210	XGCValues gcv;
		1211	GC gc;
864		1212
865	TIMING_TEST_START (tp);	1213	sx = target_x;
866	target->get_window_origin (sx, sy);	1214	sy = target_y;
867		1215
868	/* 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 : */
869	if (sx + window_width <= 0 || sy + window_height <= 0	1217	if (sx + window_width <= 0 || sy + window_height <= 0
870	|| sx >= root_width || sy >= root_height)	1218	|| sx >= root_width || sy >= root_height)
871	return 0;	1219	return 0;
872		1220
		1221	// validate root pixmap and get its size
873	if (root_pixmap != None)	1222	if (root_pixmap != None)
874	{	1223	{
875	/* we want to validate the pixmap and get it's size at the same time : */	1224	Window wdummy;
876	int junk;	1225	int idummy;
877	unsigned int ujunk;	1226	unsigned int udummy;
878	/* root pixmap may be bad - allow a error */	1227
879	target->allowedxerror = -1;	1228	allowedxerror = -1;
880		1229
881	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))
882	root_pixmap = None;	1231	root_pixmap = None;
883		1232
884	target->allowedxerror = 0;	1233	allowedxerror = 0;
		1234	}
		1235
		1236	Pixmap recoded_root_pmap = root_pixmap;
		1237
		1238	if (root_pixmap != None && root_depth != depth)
885	}	1239	{
		1240	#if XRENDER
		1241	if (bg_flags & BG_HAS_RENDER)
		1242	{
		1243	XRenderPictureAttributes pa;
886		1244
887	Pixmap tiled_root_pmap = XCreatePixmap (dpy, root, window_width, window_height, root_depth);	1245	XRenderPictFormat *src_format = XRenderFindVisualFormat (dpy, DefaultVisual (dpy, screen));
888	GC gc = NULL;	1246	Picture src = XRenderCreatePicture (dpy, root_pixmap, src_format, 0, &pa);
889		1247
890	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)
891	return 0;	1269	return 0;
892		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
893	if (root_pixmap == None)	1282	if (bg_pixmap == None)
894	{	1283	return 0;
895	/* use tricks to obtain the root background image :*/
896	/* we want to create Overrideredirect window overlapping out window
897	with background type of Parent Relative and then grab it */
898	XSetWindowAttributes attr;
899	Window src;
900	bool success = false;
901		1284
902	attr.background_pixmap = ParentRelative;
903	attr.backing_store = Always;
904	attr.event_mask = ExposureMask;
905	attr.override_redirect = True;
906	src = XCreateWindow (dpy, root, sx, sy, window_width, window_height, 0,
907	CopyFromParent, CopyFromParent, CopyFromParent,
908	CWBackPixmap|CWBackingStore|CWOverrideRedirect|CWEventMask,
909	&attr);
910
911	if (src != None)
912	{
913	XEvent event;
914	int ev_count = 0;
915	XGrabServer (dpy);
916	XMapRaised (dpy, src);
917	XSync (dpy, False);
918
919	/* XSync should get window where it's properly exposed,
920	* but to be on the safe side - let's check for the actual event to arrive : */
921	while (XCheckWindowEvent (dpy, src, ExposureMask, &event))
922	++ev_count;
923
924	if (ev_count > 0);
925	{
926	/* hooray! - we can grab the image! */
927	gc = XCreateGC (dpy, root, 0, NULL);
928	if (gc)
929	{
930	XCopyArea (dpy, src, tiled_root_pmap, gc, 0, 0, window_width, window_height, 0, 0);
931	success = true;
932	}
933	}
934
935	XDestroyWindow (dpy, src);
936	XUngrabServer (dpy);
937	//fprintf (stderr, "%s:%d: ev_count = %d\n", __FUNCTION__, __LINE__, ev_count);
938	}
939
940	if (!success)
941	{
942	XFreePixmap (dpy, tiled_root_pmap);
943	tiled_root_pmap = None;
944	}
945	else
946	result |= transpPmapTiled;
947	}
948	else
949	{
950	/* strightforward pixmap copy */	1285	/* straightforward pixmap copy */
951	gcv.tile = root_pixmap;
952	gcv.fill_style = FillTiled;
953
954	while (sx < 0) sx += (int)root_width;	1286	while (sx < 0) sx += (int)root_width;
955	while (sy < 0) sy += (int)root_height;	1287	while (sy < 0) sy += (int)root_height;
956		1288
		1289	gcv.tile = recoded_root_pmap;
		1290	gcv.fill_style = FillTiled;
957	gcv.ts_x_origin = -sx;	1291	gcv.ts_x_origin = -sx;
958	gcv.ts_y_origin = -sy;	1292	gcv.ts_y_origin = -sy;
959	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);
960		1386
961	if (gc)	1387	if (gc)
962	{	1388	{
963	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);
964	result |= transpPmapTiled;
965	}
966	}
967	TIMING_TEST_PRINT_RESULT (tp);
968		1390
969	if (tiled_root_pmap != None)	1391	XFreeGC (dpy, gc);
970	{	1392	bg_flags |= BG_IS_VALID;
971	if (!need_client_side_rendering ())
972	{	1393	}
973	if ((flags & tintNeeded))
974	{
975	if (flags & tintWholesome)
976	{
977	/* In this case we can tint image server-side getting significant
978	* performance improvements, as we eliminate XImage transfer
979	*/
980	gcv.foreground = Pixel (tint);
981	gcv.function = GXand;
982	gcv.fill_style = FillSolid;
983	if (gc)
984	XChangeGC (dpy, gc, GCFillStyle | GCForeground | GCFunction, &gcv);
985	else
986	gc = XCreateGC (dpy, root, GCFillStyle | GCForeground | GCFunction, &gcv);
987	if (gc)
988	{
989	XFillRectangle (dpy, tiled_root_pmap, gc, 0, 0, window_width, window_height);
990	result |= transpPmapTinted;
991	}
992	}
993	else
994	{
995	# if XFT
996	Picture back_pic = 0;
997	rgba c (rgba::MAX_CC,rgba::MAX_CC,rgba::MAX_CC);
998		1394
999	if (flags & tintSet)	1395	XDestroyImage (result);
1000	tint.get (c);
1001
1002	if (shade > 0 && shade < 100)
1003	{
1004	c.r = (c.r * shade) / 100;
1005	c.g = (c.g * shade) / 100;
1006	c.b = (c.b * shade) / 100;
1007	}
1008	else if (shade > 100 && shade < 200)
1009	{
1010	c.r = (c.r * (200 - shade)) / 100;
1011	c.g = (c.g * (200 - shade)) / 100;
1012	c.b = (c.b * (200 - shade)) / 100;
1013	}
1014
1015	XRenderPictFormat pf;
1016	pf.type = PictTypeDirect;
1017	pf.depth = 32;
1018	pf.direct.redMask = 0xff;
1019	pf.direct.greenMask = 0xff;
1020	pf.direct.blueMask = 0xff;
1021	pf.direct.alphaMask = 0xff;
1022
1023	XRenderPictFormat *solid_format = XRenderFindFormat (dpy,
1024	(PictFormatType|
1025	PictFormatDepth|
1026	PictFormatRedMask|
1027	PictFormatGreenMask|
1028	PictFormatBlueMask|
1029	PictFormatAlphaMask),
1030	&pf,
1031	0);
1032	XRenderPictFormat *root_format = XRenderFindVisualFormat (dpy, DefaultVisualOfScreen (ScreenOfDisplay (dpy, target->display->screen)));
1033	XRenderPictureAttributes pa ;
1034
1035	back_pic = XRenderCreatePicture (dpy, tiled_root_pmap, root_format, 0, &pa);
1036
1037	pa.repeat = True;
1038
1039	Pixmap overlay_pmap = XCreatePixmap (dpy, root, 1, 1, 32);
1040	Picture overlay_pic = XRenderCreatePicture (dpy, overlay_pmap, solid_format, CPRepeat, &pa);
1041	XFreePixmap (dpy, overlay_pmap);
1042
1043	pa.component_alpha = True;
1044	Pixmap mask_pmap = XCreatePixmap (dpy, root, 1, 1, 32);
1045	Picture mask_pic = XRenderCreatePicture (dpy, mask_pmap, solid_format, CPRepeat|CPComponentAlpha, &pa);
1046	XFreePixmap (dpy, mask_pmap);
1047
1048	if (mask_pic && overlay_pic && back_pic)
1049	{
1050	XRenderColor mask_c;
1051
1052	memset (&mask_c, (shade > 100) ? 0xFF : 0x0, sizeof (mask_c));
1053	mask_c.alpha = 0xffff;
1054	XRenderFillRectangle (dpy, PictOpSrc, overlay_pic, &mask_c, 0, 0, 1, 1);
1055
1056	mask_c.alpha = 0;
1057	mask_c.red = 0xffff - c.r;
1058	mask_c.green = 0xffff - c.g;
1059	mask_c.blue = 0xffff - c.b;
1060	XRenderFillRectangle (dpy, PictOpSrc, mask_pic, &mask_c, 0, 0, 1, 1);
1061	XRenderComposite (dpy, PictOpOver, overlay_pic, mask_pic, back_pic, 0, 0, 0, 0, 0, 0, window_width, window_height);
1062	result |= transpPmapTinted;
1063	}
1064
1065	XRenderFreePicture (dpy, mask_pic);
1066	XRenderFreePicture (dpy, overlay_pic);
1067	XRenderFreePicture (dpy, back_pic);
1068	# if DO_TIMING_TEST
1069	XSync (dpy, False);
1070	# endif
1071	# endif
1072	}
1073	}
1074	} /* server side rendering completed */
1075
1076	if (pixmap)
1077	XFreePixmap (dpy, pixmap);
1078
1079	pixmap = tiled_root_pmap;
1080	pmap_width = window_width;
1081	pmap_height = window_height;
1082	pmap_depth = root_depth;
1083	}
1084
1085	if (gc)
1086	XFreeGC (dpy, gc);
1087
1088	TIMING_TEST_PRINT_RESULT (tp);
1089
1090	return result;
1091	}
1092
1093	bool
1094	bgPixmap_t::set_root_pixmap ()
1095	{
1096	Pixmap new_root_pixmap = target->get_pixmap_property (XA_XROOTPMAP_ID);
1097	if (new_root_pixmap == None)
1098	new_root_pixmap = target->get_pixmap_property (XA_ESETROOT_PMAP_ID);
1099
1100	if (new_root_pixmap != root_pixmap)
1101	{	1396	}
1102	root_pixmap = new_root_pixmap;
1103	return true;
1104	}
1105
1106	return false;
1107	}
1108	# endif /* ENABLE_TRANSPARENCY */
1109
1110	# ifndef HAVE_AFTERIMAGE
1111	static void ShadeXImage(rxvt_term *term, XImage* srcImage, int shade, int rm, int gm, int bm);
1112	# endif	1397	# endif
1113		1398
1114	bool	1399	if (!(bg_flags & BG_IS_VALID))
1115	bgPixmap_t::render ()
1116	{
1117	unsigned long background_flags = 0;
1118
1119	if (target == NULL)
1120	return false;
1121
1122	TIMING_TEST_START (tp);
1123
1124	invalidate();
1125	# ifdef ENABLE_TRANSPARENCY
1126	if (flags & isTransparent)
1127	{
1128	/* we need to re-generate transparency pixmap in that case ! */
1129	background_flags = make_transparency_pixmap ();
1130	if (background_flags == 0)
1131	return false;
1132	else if ((background_flags & transpTransformations) == (flags & transpTransformations)
1133	&& pmap_depth == target->depth)
1134	flags = flags & ~isInvalid;
1135	}	1400	{
1136	# endif
1137
1138	XImage *result = NULL;
1139	# ifdef HAVE_AFTERIMAGE
1140	if (original_asim
1141	|| (background_flags & transpTransformations) != (flags & transpTransformations))
1142	{
1143	ASImage *background = NULL;
1144	ARGB32 as_tint = TINT_LEAVE_SAME;
1145	if (background_flags)
1146	background = pixmap2ximage (target->asv, pixmap, 0, 0, pmap_width, pmap_height, AllPlanes, 100);
1147
1148	# ifdef ENABLE_TRANSPARENCY
1149	if (!(background_flags & transpPmapTinted) && (flags & tintNeeded))
1150	{
1151	ShadingInfo as_shade;
1152	as_shade.shading = (shade == 0) ? 100 : shade;
1153
1154	rgba c (rgba::MAX_CC,rgba::MAX_CC,rgba::MAX_CC);
1155	if (flags & tintSet)
1156	tint.get (c);
1157	as_shade.tintColor.red = c.r;
1158	as_shade.tintColor.green = c.g;
1159	as_shade.tintColor.blue = c.b;
1160
1161	as_tint = shading2tint32 (&as_shade);
1162	}
1163	if (!(background_flags & transpPmapBlured) && (flags & blurNeeded) && background != NULL)
1164	{
1165	ASImage* tmp = blur_asimage_gauss (target->asv, background, h_blurRadius, v_blurRadius, 0xFFFFFFFF,
1166	(original_asim == NULL || tint == TINT_LEAVE_SAME)?ASA_XImage:ASA_ASImage,
1167	100, ASIMAGE_QUALITY_DEFAULT);
1168	if (tmp)
1169	{
1170	destroy_asimage (&background);
1171	background = tmp;
1172	}
1173	}
1174	# endif
1175
1176	if (render_asim (background, as_tint))
1177	flags = flags & ~isInvalid;
1178	if (background)
1179	destroy_asimage (&background);
1180	}
1181	else if (background_flags && pmap_depth != target->depth)
1182	{
1183	result = XGetImage (target->dpy, pixmap, 0, 0, pmap_width, pmap_height, AllPlanes, ZPixmap);
1184	}
1185
1186	# elif !XFT /* our own client-side tinting */
1187
1188	/* ATTENTION: We ASSUME that XFT will let us do all the tinting neccessary server-side.
1189	This may need to be changed in need_client_side_rendering() logic is altered !!! */
1190
1191	if (background_flags && (flags & isInvalid))
1192	{
1193	result = XGetImage (target->dpy, pixmap, 0, 0, pmap_width, pmap_height, AllPlanes, ZPixmap);
1194	if (result != NULL && !(background_flags & transpPmapTinted) && (flags & tintNeeded))
1195	{
1196	rgba c (rgba::MAX_CC,rgba::MAX_CC,rgba::MAX_CC);
1197	if (flags & tintSet)
1198	tint.get (c);
1199	ShadeXImage (target, result, shade, c.r, c.g, c.b);
1200	}
1201	}
1202	# endif /* HAVE_AFTERIMAGE */
1203
1204	if (result)
1205	{
1206	GC gc = XCreateGC (target->dpy, target->vt, 0UL, NULL);
1207
1208	if (gc)
1209	{
1210	if (/*pmap_depth != target->depth &&*/ pixmap != None)
1211	{
1212	XFreePixmap (target->dpy, pixmap);
1213	pixmap = None;
1214	}
1215
1216	if (pixmap == None)
1217	{
1218	pixmap = XCreatePixmap (target->dpy, target->vt, result->width, result->height, target->depth);
1219	pmap_width = result->width;
1220	pmap_height = result->height;
1221	pmap_depth = target->depth;
1222	}
1223
1224	if (pmap_depth != result->depth)
1225	{
1226	/* Bad Match error will ensue ! stupid X !!!! */
1227	if (result->depth == 24 && pmap_depth == 32)
1228	result->depth = 32;
1229	else if (result->depth == 32 && pmap_depth == 24)
1230	result->depth = 24;
1231	else
1232	{
1233	/* TODO: implement image recoding */
1234	}
1235	}
1236
1237	if (pmap_depth == result->depth)
1238	XPutImage (target->dpy, pixmap, gc, result, 0, 0, 0, 0, result->width, result->height);
1239
1240	XFreeGC (target->dpy, gc);
1241	flags = flags & ~isInvalid;
1242	}
1243
1244	XDestroyImage (result);
1245	}
1246
1247	if (flags & isInvalid)
1248	{
1249	if (pixmap != None)	1401	if (bg_pixmap != None)
1250	{	1402	{
1251	XFreePixmap (target->dpy, pixmap);	1403	XFreePixmap (dpy, bg_pixmap);
1252	pixmap = None;	1404	bg_pixmap = None;
1253	}	1405	}
1254	}	1406	}
1255		1407
1256	apply ();	1408	scr_recolour (false);
		1409	bg_flags |= BG_NEEDS_REFRESH;
1257		1410
1258	XSync (target->dpy, False);
1259	valid_since = ev::now ();	1411	bg_valid_since = ev::now ();
1260
1261	TIMING_TEST_PRINT_RESULT (tp);
1262		1412
1263	return true;	1413	return true;
1264	}	1414	}
1265		1415
1266	bool
1267	bgPixmap_t::set_target (rxvt_term *new_target)
1268	{
1269	if (new_target)
1270	if (target != new_target)
1271	{
1272	target = new_target;
1273	# ifdef ENABLE_TRANSPARENCY
1274	root_depth = DefaultDepthOfScreen (ScreenOfDisplay (target->dpy, target->display->screen));
1275	# endif
1276	return true;
1277	}
1278	return false;
1279	}
1280
1281	void	1416	void
1282	bgPixmap_t::apply ()	1417	rxvt_term::bg_init ()
1283	{	1418	{
1284	if (target)
1285	{
1286	flags &= ~isVtOrigin;
1287	if (pixmap != None)
1288	{
1289	/* set target's background to pixmap */
1290	# ifdef ENABLE_TRANSPARENCY	1419	#ifdef ENABLE_TRANSPARENCY
1291	if (flags & isTransparent)	1420	shade = 100;
1292	{
1293	XSetWindowBackgroundPixmap (target->dpy, target->parent[0], pixmap);
1294	XSetWindowBackgroundPixmap (target->dpy, target->vt, ParentRelative);
1295	# if HAVE_SCROLLBARS
1296	if (target->scrollBar.win)
1297	XSetWindowBackgroundPixmap (target->dpy, target->scrollBar.win, ParentRelative);
1298	# endif
1299	}
1300	else
1301	# endif	1421	#endif
1302	{	1422
1303	flags |= isVtOrigin;	1423	bg_flags &= ~(BG_HAS_RENDER | BG_HAS_RENDER_CONV);
1304	/* force old pixmap dereference in case it was transparent before :*/	1424	#if XRENDER
1305	XSetWindowBackground (target->dpy, target->parent[0], target->pix_colors[Color_border]);	1425	int major, minor;
1306	XSetWindowBackgroundPixmap (target->dpy, target->vt, pixmap);	1426	if (XRenderQueryVersion (dpy, &major, &minor))
1307	/* do we also need to set scrollbar's background here ? */	1427	bg_flags |= BG_HAS_RENDER;
1308	# if HAVE_SCROLLBARS	1428	XFilters *filters = XRenderQueryFilters (dpy, vt);
1309	if (target->scrollBar.win)	1429	if (filters)
1310	XSetWindowBackground (target->dpy, target->scrollBar.win, target->pix_colors[Color_border]);	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	}
1311	# endif	1437	#endif
1312	}
1313	}
1314	else
1315	{
1316	/* set target background to a pixel */
1317	XSetWindowBackground (target->dpy, target->parent[0], target->pix_colors[Color_border]);
1318	XSetWindowBackground (target->dpy, target->vt, target->pix_colors[Color_bg]);
1319	/* do we also need to set scrollbar's background here ? */
1320	# if HAVE_SCROLLBARS
1321	if (target->scrollBar.win)
1322	XSetWindowBackground (target->dpy, target->scrollBar.win, target->pix_colors[Color_border]);
1323	# endif
1324	}
1325	/* don't want Expose on the parent or vt. It is better to use
1326	scr_touch or we get a great deal of flicker otherwise: */
1327	XClearWindow (target->dpy, target->parent[0]);
1328
1329	# if HAVE_SCROLLBARS
1330	if (target->scrollBar.win)
1331	{
1332	target->scrollBar.setIdle ();
1333	target->scrollbar_show (0);
1334	}
1335	# endif
1336
1337	target->want_refresh = 1;
1338	flags |= hasChanged;
1339	}
1340	}	1438	}
1341		1439
1342	#endif /* HAVE_BG_PIXMAP */	1440	#endif /* HAVE_BG_PIXMAP */
1343		1441
1344	#if defined(ENABLE_TRANSPARENCY) && !defined(HAVE_AFTERIMAGE) && !XFT	1442	#if defined(ENABLE_TRANSPARENCY) && !defined(HAVE_AFTERIMAGE)
1345	/* taken from aterm-0.4.2 */	1443	/* taken from aterm-0.4.2 */
1346		1444
1347	typedef uint32_t RUINT32T;
1348
1349	static void	1445	static void
1350	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)
1351	{	1447	{
1352	int sh_r, sh_g, sh_b;	1448	int sh_r, sh_g, sh_b;
1353	RUINT32T mask_r, mask_g, mask_b;	1449	uint32_t mask_r, mask_g, mask_b;
1354	RUINT32T *lookup, *lookup_r, *lookup_g, *lookup_b;	1450	uint32_t *lookup, *lookup_r, *lookup_g, *lookup_b;
1355	unsigned int lower_lim_r, lower_lim_g, lower_lim_b;	1451	rgba low;
1356	unsigned int upper_lim_r, upper_lim_g, upper_lim_b;	1452	rgba high;
1357	int i;	1453	int i;
		1454	int host_byte_order = byteorder::big_endian () ? MSBFirst : LSBFirst;
1358		1455
1359	Visual *visual = term->visual;
1360
1361	if (visual->c_class != TrueColor || srcImage->format != ZPixmap) return ;	1456	if (visual->c_class != TrueColor || ximage->format != ZPixmap) return;
1362
1363	if (shade == 0)
1364	shade = 100;
1365		1457
1366	/* for convenience */	1458	/* for convenience */
1367	mask_r = visual->red_mask;	1459	mask_r = visual->red_mask;
1368	mask_g = visual->green_mask;	1460	mask_g = visual->green_mask;
1369	mask_b = visual->blue_mask;	1461	mask_b = visual->blue_mask;
1370		1462
1371	/* boring lookup table pre-initialization */	1463	/* boring lookup table pre-initialization */
1372	switch (srcImage->bits_per_pixel) {	1464	switch (ximage->depth)
		1465	{
1373	case 15:	1466	case 15:
1374	if ((mask_r != 0x7c00) ||	1467	if ((mask_r != 0x7c00) ||
1375	(mask_g != 0x03e0) ||	1468	(mask_g != 0x03e0) ||
1376	(mask_b != 0x001f))	1469	(mask_b != 0x001f))
1377	return;	1470	return;
1378	lookup = (RUINT32T *) malloc (sizeof (RUINT32T)*(32+32+32));	1471	lookup = (uint32_t *) malloc (sizeof (uint32_t)*(32+32+32));
1379	lookup_r = lookup;	1472	lookup_r = lookup;
1380	lookup_g = lookup+32;	1473	lookup_g = lookup+32;
1381	lookup_b = lookup+32+32;	1474	lookup_b = lookup+32+32;
1382	sh_r = 10;	1475	sh_r = 10;
1383	sh_g = 5;	1476	sh_g = 5;
1384	sh_b = 0;	1477	sh_b = 0;
1385	break;	1478	break;
1386	case 16:	1479	case 16:
1387	if ((mask_r != 0xf800) ||	1480	if ((mask_r != 0xf800) ||
1388	(mask_g != 0x07e0) ||	1481	(mask_g != 0x07e0) ||
1389	(mask_b != 0x001f))	1482	(mask_b != 0x001f))
1390	return;	1483	return;
1391	lookup = (RUINT32T *) malloc (sizeof (RUINT32T)*(32+64+32));	1484	lookup = (uint32_t *) malloc (sizeof (uint32_t)*(32+64+32));
1392	lookup_r = lookup;	1485	lookup_r = lookup;
1393	lookup_g = lookup+32;	1486	lookup_g = lookup+32;
1394	lookup_b = lookup+32+64;	1487	lookup_b = lookup+32+64;
1395	sh_r = 11;	1488	sh_r = 11;
1396	sh_g = 5;	1489	sh_g = 5;
1397	sh_b = 0;	1490	sh_b = 0;
1398	break;	1491	break;
1399	case 24:	1492	case 24:
1400	if ((mask_r != 0xff0000) ||	1493	if ((mask_r != 0xff0000) ||
1401	(mask_g != 0x00ff00) ||	1494	(mask_g != 0x00ff00) ||
1402	(mask_b != 0x0000ff))	1495	(mask_b != 0x0000ff))
1403	return;	1496	return;
1404	lookup = (RUINT32T *) malloc (sizeof (RUINT32T)*(256+256+256));	1497	lookup = (uint32_t *) malloc (sizeof (uint32_t)*(256+256+256));
1405	lookup_r = lookup;	1498	lookup_r = lookup;
1406	lookup_g = lookup+256;	1499	lookup_g = lookup+256;
1407	lookup_b = lookup+256+256;	1500	lookup_b = lookup+256+256;
1408	sh_r = 16;	1501	sh_r = 16;
1409	sh_g = 8;	1502	sh_g = 8;
1410	sh_b = 0;	1503	sh_b = 0;
1411	break;	1504	break;
1412	case 32:	1505	case 32:
1413	if ((mask_r != 0xff0000) ||	1506	if ((mask_r != 0xff0000) ||
1414	(mask_g != 0x00ff00) ||	1507	(mask_g != 0x00ff00) ||
1415	(mask_b != 0x0000ff))	1508	(mask_b != 0x0000ff))
1416	return;	1509	return;
1417	lookup = (RUINT32T *) malloc (sizeof (RUINT32T)*(256+256+256));	1510	lookup = (uint32_t *) malloc (sizeof (uint32_t)*(256+256+256));
1418	lookup_r = lookup;	1511	lookup_r = lookup;
1419	lookup_g = lookup+256;	1512	lookup_g = lookup+256;
1420	lookup_b = lookup+256+256;	1513	lookup_b = lookup+256+256;
1421	sh_r = 16;	1514	sh_r = 16;
1422	sh_g = 8;	1515	sh_g = 8;
1423	sh_b = 0;	1516	sh_b = 0;
1424	break;	1517	break;
1425	default:	1518	default:
1426	return; /* we do not support this color depth */	1519	return; /* we do not support this color depth */
1427	}	1520	}
1428		1521
1429	/* prepare limits for color transformation (each channel is handled separately) */	1522	/* prepare limits for color transformation (each channel is handled separately) */
1430	if (shade < 0) {	1523	if (shade > 100)
		1524	{
1431	shade = -shade;	1525	shade = 200 - shade;
1432	if (shade < 0) shade = 0;
1433	if (shade > 100) shade = 100;
1434		1526
1435	lower_lim_r = 65535-rm;	1527	high.r = c.r * shade / 100;
1436	lower_lim_g = 65535-gm;	1528	high.g = c.g * shade / 100;
1437	lower_lim_b = 65535-bm;	1529	high.b = c.b * shade / 100;
1438		1530
1439	lower_lim_r = 65535-(unsigned int)(((RUINT32T)lower_lim_r)*((RUINT32T)shade)/100);	1531	low.r = 65535 * (100 - shade) / 100;
1440	lower_lim_g = 65535-(unsigned int)(((RUINT32T)lower_lim_g)*((RUINT32T)shade)/100);	1532	low.g = 65535 * (100 - shade) / 100;
1441	lower_lim_b = 65535-(unsigned int)(((RUINT32T)lower_lim_b)*((RUINT32T)shade)/100);	1533	low.b = 65535 * (100 - shade) / 100;
1442
1443	upper_lim_r = upper_lim_g = upper_lim_b = 65535;
1444	} else {
1445	if (shade < 0) shade = 0;
1446	if (shade > 100) shade = 100;
1447
1448	lower_lim_r = lower_lim_g = lower_lim_b = 0;
1449
1450	upper_lim_r = (unsigned int)((((RUINT32T)rm)*((RUINT32T)shade))/100);
1451	upper_lim_g = (unsigned int)((((RUINT32T)gm)*((RUINT32T)shade))/100);
1452	upper_lim_b = (unsigned int)((((RUINT32T)bm)*((RUINT32T)shade))/100);
1453	}	1534	}
1454		1535	else
1455	/* switch red and blue bytes if necessary, we need it for some weird XServers like XFree86 3.3.3.1 */
1456	if ((srcImage->bits_per_pixel == 24) && (mask_r >= 0xFF0000 ))
1457	{	1536	{
1458	unsigned int tmp;	1537	high.r = c.r * shade / 100;
		1538	high.g = c.g * shade / 100;
		1539	high.b = c.b * shade / 100;
1459		1540
1460	tmp = lower_lim_r;	1541	low.r = low.g = low.b = 0;
1461	lower_lim_r = lower_lim_b;
1462	lower_lim_b = tmp;
1463
1464	tmp = upper_lim_r;
1465	upper_lim_r = upper_lim_b;
1466	upper_lim_b = tmp;
1467	}	1542	}
1468		1543
1469	/* fill our lookup tables */	1544	/* fill our lookup tables */
1470	for (i = 0; i <= mask_r>>sh_r; i++)	1545	for (i = 0; i <= mask_r>>sh_r; i++)
1471	{	1546	{
1472	RUINT32T tmp;	1547	uint32_t tmp;
1473	tmp = ((RUINT32T)i)*((RUINT32T)(upper_lim_r-lower_lim_r));	1548	tmp = i * high.r;
1474	tmp += ((RUINT32T)(mask_r>>sh_r))*((RUINT32T)lower_lim_r);	1549	tmp += (mask_r>>sh_r) * low.r;
1475	lookup_r[i] = (tmp/65535)<<sh_r;	1550	lookup_r[i] = (tmp/65535)<<sh_r;
1476	}	1551	}
1477	for (i = 0; i <= mask_g>>sh_g; i++)	1552	for (i = 0; i <= mask_g>>sh_g; i++)
1478	{	1553	{
1479	RUINT32T tmp;	1554	uint32_t tmp;
1480	tmp = ((RUINT32T)i)*((RUINT32T)(upper_lim_g-lower_lim_g));	1555	tmp = i * high.g;
1481	tmp += ((RUINT32T)(mask_g>>sh_g))*((RUINT32T)lower_lim_g);	1556	tmp += (mask_g>>sh_g) * low.g;
1482	lookup_g[i] = (tmp/65535)<<sh_g;	1557	lookup_g[i] = (tmp/65535)<<sh_g;
1483	}	1558	}
1484	for (i = 0; i <= mask_b>>sh_b; i++)	1559	for (i = 0; i <= mask_b>>sh_b; i++)
1485	{	1560	{
1486	RUINT32T tmp;	1561	uint32_t tmp;
1487	tmp = ((RUINT32T)i)*((RUINT32T)(upper_lim_b-lower_lim_b));	1562	tmp = i * high.b;
1488	tmp += ((RUINT32T)(mask_b>>sh_b))*((RUINT32T)lower_lim_b);	1563	tmp += (mask_b>>sh_b) * low.b;
1489	lookup_b[i] = (tmp/65535)<<sh_b;	1564	lookup_b[i] = (tmp/65535)<<sh_b;
1490	}	1565	}
1491		1566
1492	/* apply table to input image (replacing colors by newly calculated ones) */	1567	/* apply table to input image (replacing colors by newly calculated ones) */
1493	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)
1494	{	1571	{
1495	case 15:
1496	{
1497	unsigned short *p1, *pf, *p, *pl;	1572	uint32_t *p1, *pf, *p, *pl;
1498	p1 = (unsigned short *) srcImage->data;	1573	p1 = (uint32_t *) ximage->data;
1499	pf = (unsigned short *) (srcImage->data + srcImage->height * srcImage->bytes_per_line);	1574	pf = (uint32_t *) (ximage->data + ximage->height * ximage->bytes_per_line);
		1575
1500	while (p1 < pf)	1576	while (p1 < pf)
1501	{	1577	{
1502	p = p1;	1578	p = p1;
1503	pl = p1 + srcImage->width;	1579	pl = p1 + ximage->width;
1504	for (; p < pl; p++)	1580	for (; p < pl; p++)
1505	{	1581	{
1506	*p = lookup_r[(*p & 0x7c00)>>10] |
1507	lookup_g[(*p & 0x03e0)>> 5] |
1508	lookup_b[(*p & 0x001f)];
1509	}
1510	p1 = (unsigned short *) ((char *) p1 + srcImage->bytes_per_line);
1511	}
1512	break;
1513	}
1514	case 16:
1515	{
1516	unsigned short *p1, *pf, *p, *pl;
1517	p1 = (unsigned short *) srcImage->data;
1518	pf = (unsigned short *) (srcImage->data + srcImage->height * srcImage->bytes_per_line);
1519	while (p1 < pf)
1520	{
1521	p = p1;
1522	pl = p1 + srcImage->width;
1523	for (; p < pl; p++)
1524	{
1525	*p = lookup_r[(*p & 0xf800)>>11] |
1526	lookup_g[(*p & 0x07e0)>> 5] |
1527	lookup_b[(*p & 0x001f)];
1528	}
1529	p1 = (unsigned short *) ((char *) p1 + srcImage->bytes_per_line);
1530	}
1531	break;
1532	}
1533	case 24:
1534	{
1535	unsigned char *p1, *pf, *p, *pl;
1536	p1 = (unsigned char *) srcImage->data;
1537	pf = (unsigned char *) (srcImage->data + srcImage->height * srcImage->bytes_per_line);
1538	while (p1 < pf)
1539	{
1540	p = p1;
1541	pl = p1 + srcImage->width * 3;
1542	for (; p < pl; p += 3)
1543	{
1544	p[0] = lookup_r[(p[0] & 0xff0000)>>16];
1545	p[1] = lookup_r[(p[1] & 0x00ff00)>> 8];
1546	p[2] = lookup_r[(p[2] & 0x0000ff)];
1547	}
1548	p1 = (unsigned char *) ((char *) p1 + srcImage->bytes_per_line);
1549	}
1550	break;
1551	}
1552	case 32:
1553	{
1554	RUINT32T *p1, *pf, *p, *pl;
1555	p1 = (RUINT32T *) srcImage->data;
1556	pf = (RUINT32T *) (srcImage->data + srcImage->height * srcImage->bytes_per_line);
1557
1558	while (p1 < pf)
1559	{
1560	p = p1;
1561	pl = p1 + srcImage->width;
1562	for (; p < pl; p++)
1563	{
1564	*p = lookup_r[(*p & 0xff0000)>>16] |	1582	*p = lookup_r[(*p & 0xff0000) >> 16] |
1565	lookup_g[(*p & 0x00ff00)>> 8] |	1583	lookup_g[(*p & 0x00ff00) >> 8] |
1566	lookup_b[(*p & 0x0000ff)] |	1584	lookup_b[(*p & 0x0000ff)] |
1567	(*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);
1568	}	1600	}
1569	p1 = (RUINT32T *) ((char *) p1 + srcImage->bytes_per_line);
1570	}	1601	}
1571	break;
1572	}
1573	}
1574		1602
1575	free (lookup);	1603	free (lookup);
1576	}	1604	}
1577	#endif /* defined(ENABLE_TRANSPARENCY) && !defined(HAVE_AFTERIMAGE) */	1605	#endif /* defined(ENABLE_TRANSPARENCY) && !defined(HAVE_AFTERIMAGE) */

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