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Comparing rxvt-unicode/src/background.C (file contents):
Revision 1.41 by sf-exg, Sat Aug 21 16:07:15 2010 UTC vs.
Revision 1.153 by sf-exg, Sun May 8 21:07:43 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	h_scale = v_scale = 0;
103	h_align = v_align = 0;
104	#endif
105	flags = 0;
106	pixmap = None;
107	valid_since = invalid_since = 0;
108	target = 0;
109	}
110
111	void	64	void
112	bgPixmap_t::destroy ()	65	rxvt_term::bg_destroy ()
113	{	66	{
114	#ifdef HAVE_AFTERIMAGE	67	#ifdef HAVE_AFTERIMAGE
115	if (original_asim)	68	if (original_asim)
116	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);
117	#endif	74	#endif
118		75
119	if (pixmap && target)	76	#ifdef HAVE_PIXBUF
		77	if (pixbuf)
		78	g_object_unref (pixbuf);
		79	#endif
		80
		81	if (bg_pixmap)
120	XFreePixmap (target->dpy, pixmap);	82	XFreePixmap (dpy, bg_pixmap);
121	}	83	}
122		84
123	bool	85	bool
124	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 ()
125	{	101	{
126	# ifdef ENABLE_TRANSPARENCY	102	# ifdef ENABLE_TRANSPARENCY
127	if (flags & isTransparent)	103	if (bg_flags & BG_IS_TRANSPARENT)
128	return true;	104	return true;
129	# endif	105	# endif
130		106
131	# ifdef BG_IMAGE_FROM_FILE	107	# ifdef BG_IMAGE_FROM_FILE
132	# ifdef HAVE_AFTERIMAGE	108	if (bg_flags & BG_IS_FROM_FILE)
133	if (original_asim)
134	# endif
135	{	109	{
136	if (h_scale != 0 || v_scale != 0	110	if (bg_flags & BG_IS_SIZE_SENSITIVE)
137	|| h_align != 0 || v_align != 0)
138	return true;	111	return true;
139	}	112	}
140	# endif	113	# endif
141		114
142	return false;	115	return false;
143	}	116	}
144		117
145	bool	118	bool
146	bgPixmap_t::window_position_sensitive ()	119	rxvt_term::bg_window_position_sensitive ()
147	{	120	{
148	# ifdef ENABLE_TRANSPARENCY	121	# ifdef ENABLE_TRANSPARENCY
149	if (flags & isTransparent)	122	if (bg_flags & BG_IS_TRANSPARENT)
150	return true;	123	return true;
151	# endif	124	# endif
152		125
153	# ifdef BG_IMAGE_FROM_FILE	126	# ifdef BG_IMAGE_FROM_FILE
154	# ifdef HAVE_AFTERIMAGE	127	if (bg_flags & BG_IS_FROM_FILE)
155	if (original_asim)
156	# endif
157	{	128	{
158	if (h_align == rootAlign || v_align == rootAlign)	129	if (bg_flags & BG_ROOT_ALIGN)
159	return true;	130	return true;
160	}	131	}
161	# endif	132	# endif
162		133
163	return false;
164	};
165
166	bool bgPixmap_t::need_client_side_rendering ()
167	{
168	# ifdef HAVE_AFTERIMAGE
169	if (original_asim)
170	return true;
171	# endif
172	# ifdef ENABLE_TRANSPARENCY
173	if (flags & isTransparent)
174	{
175	# ifdef HAVE_AFTERIMAGE // can't blur without libAI anyways
176	if ((flags & blurNeeded) && !(flags & blurServerSide))
177	return true;
178	# endif
179	if ((flags & tintNeeded) && !(flags & tintServerSide))
180	return true;
181	}
182	# endif
183	return false;	134	return false;
184	}	135	}
185		136
186	# ifdef BG_IMAGE_FROM_FILE	137	# ifdef BG_IMAGE_FROM_FILE
187	static inline bool	138	static inline bool
…		…
203	static inline bool	154	static inline bool
204	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)
205	{	156	{
206	if (geom_flags & flag)	157	if (geom_flags & flag)
207	{	158	{
208	if (new_value != bgPixmap_t::rootAlign)
209	{
210	if (new_value < -100)	159	if (new_value < -100)
211	new_value = -100;	160	new_value = -100;
212	else if (new_value > 200)	161	else if (new_value > 200)
213	new_value = 200;	162	new_value = 200;
214	}
215	if (new_value != align)	163	if (new_value != align)
216	{	164	{
217	align = new_value;	165	align = new_value;
218	return true;	166	return true;
219	}	167	}
…		…
223		171
224	static inline int	172	static inline int
225	make_align_position (int align, int window_size, int image_size)	173	make_align_position (int align, int window_size, int image_size)
226	{	174	{
227	int diff = window_size - image_size;	175	int diff = window_size - image_size;
228	int smaller = MIN (image_size,window_size);	176	int smaller = min (image_size, window_size);
229		177
230	if (align >= 0 && align <= 50)	178	if (align >= 0 && align <= 100)
231	return diff * align / 100;	179	return diff * align / 100;
232	else if (align > 50 && align <= 100)
233	return window_size - image_size - diff * (100 - align) / 100;
234	else if (align > 100 && align <= 200 )	180	else if (align > 100 && align <= 200)
235	return ((align - 100) * smaller / 100) + window_size - smaller;	181	return ((align - 100) * smaller / 100) + window_size - smaller;
236	else if (align > -100 && align < 0)	182	else if (align >= -100 && align < 0)
237	return ((align + 100) * smaller / 100) - image_size;	183	return ((align + 100) * smaller / 100) - image_size;
238	return 0;	184	return 0;
239	}	185	}
240		186
241	static inline int	187	static inline int
242	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)
243	{	189	{
244	int src_pos = 0;	190	int src_pos = 0;
245	dst_pos = 0;	191	dst_pos = pos;
246	dst_size = size;	192	dst_size = size;
247	if (pos < 0 && size > target_size)	193	if (pos < 0)
248	{	194	{
249	src_pos = -pos;	195	src_pos = -pos;
		196	dst_pos = 0;
250	dst_size += pos;	197	dst_size += pos;
251	}	198	}
252	else if (pos > 0)
253	dst_pos = pos;
254		199
255	if (dst_pos + dst_size > target_size)	200	if (dst_pos + dst_size > target_size)
256	dst_size = target_size - dst_pos;	201	dst_size = target_size - dst_pos;
257	return src_pos;	202	return src_pos;
258	}	203	}
259		204
260	bool	205	bool
261	bgPixmap_t::set_geometry (const char *geom)	206	rxvt_term::bg_set_geometry (const char *geom, bool update)
262	{	207	{
		208	bool changed = false;
263	int geom_flags = 0, changed = 0;	209	int geom_flags = 0;
264	int x = 0, y = 0;	210	int x = 0, y = 0;
265	unsigned int w = 0, h = 0;	211	unsigned int w = 0, h = 0;
266	unsigned int n;	212	unsigned int n;
267	unsigned long new_flags = (flags & (~geometryFlags));	213	unsigned long new_flags = (bg_flags & (~BG_GEOMETRY_FLAGS));
268	const char *p;	214	const char *ops;
269	# define MAXLEN_GEOM 256 /* could be longer than regular geometry string */
270		215
271	if (geom == NULL)	216	if (geom == NULL)
272	return false;	217	return false;
273		218
274	char str[MAXLEN_GEOM];	219	char str[256];
275		220
276	while (isspace(*geom)) ++geom;
277	if ((p = strchr (geom, ';')) == NULL)
278	p = strchr (geom, '\0');	221	ops = strchr (geom, ':');
279		222	if (ops == NULL)
		223	n = strlen (geom);
		224	else
280	n = (p - geom);	225	n = ops - geom;
281	if (n < MAXLEN_GEOM)
282	{
283	char *ops;
284	new_flags |= geometrySet;
285		226
		227	if (n >= sizeof (str))
		228	return false;
		229
286	memcpy (str, geom, n);	230	memcpy (str, geom, n);
287	str[n] = '\0';	231	str[n] = '\0';
288	if (str[0] == ':')	232	rxvt_strtrim (str);
289	ops = &str[0];
290	else if (str[0] != 'x' && str[0] != 'X' && isalpha(str[0]))
291	ops = &str[0];
292	else
293	{
294	char *tmp;
295	ops = strchr (str, ':');
296	if (ops != NULL)
297	{
298	for (tmp = ops-1; tmp >= str && isspace(*tmp); --tmp);
299	*(++tmp) = '\0';
300	if (ops == tmp) ++ops;
301	}
302	}
303		233
304	if (ops > str || ops == NULL)	234	if (str[0])
305	{	235	{
306	/* 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 */
307	geom_flags = XParseGeometry (str, &x, &y, &w, &h);	237	geom_flags = XParseGeometry (str, &x, &y, &w, &h);
308
309	if ((geom_flags & XValue) && !(geom_flags & YValue))
310	{
311	y = x;
312	geom_flags |= YValue;
313	}
314
315	if (flags & geometrySet)
316	{
317	/* new geometry is an adjustment to the old one ! */
318	if ((geom_flags & WidthValue) && (geom_flags & HeightValue))
319	{
320	if (w == 0 && h != 0)
321	{
322	w = h_scale;
323	h = (v_scale * h) / 100;
324	}
325	else if (h == 0 && w != 0)
326	{
327	w = (h_scale * w) / 100;
328	h = v_scale;
329	}
330	}
331	if (geom_flags & XValue)
332	{
333	if (str[0] != '=')
334	{
335	y += v_align;
336	x += h_align;
337	}
338	}
339	}
340	else /* setting up geometry from scratch */
341	{
342	if (!(geom_flags & XValue))
343	{
344	/* use default geometry - centered */
345	x = y = defaultAlign;
346	}
347	else if (!(geom_flags & YValue))
348	y = x;
349
350	if ((geom_flags & (WidthValue|HeightValue)) == 0)
351	{
352	/* use default geometry - scaled */
353	w = h = defaultScale;
354	}
355	else if (geom_flags & WidthValue)
356	{
357	if (!(geom_flags & HeightValue))
358	h = w;
359	}
360	else
361	w = h;
362	}
363	} /* done parsing geometry string */	238	} /* done parsing geometry string */
364	else if (!(flags & geometrySet))	239
365	{	240	if (!update)
366	/* default geometry - scaled and centered */	241	{
		242	if (!(geom_flags & XValue))
367	x = y = defaultAlign;	243	x = y = defaultAlign;
		244	else if (!(geom_flags & YValue))
		245	y = x;
		246
		247	if (!(geom_flags & (WidthValue|HeightValue)))
368	w = h = defaultScale;	248	w = h = defaultScale;
369	}	249	else if (!(geom_flags & HeightValue))
		250	h = w;
		251	else if (!(geom_flags & WidthValue))
		252	w = h;
370		253
371	if (!(flags & geometrySet))
372	geom_flags |= WidthValue|HeightValue|XValue|YValue;	254	geom_flags |= WidthValue|HeightValue|XValue|YValue;
		255	}
373		256
374	if (ops)	257	if (ops)
375	{	258	{
376	while (*ops)	259	char **arr = rxvt_strsplit (':', ops + 1);
		260
		261	for (int i = 0; arr[i]; i++)
377	{	262	{
378	while (*ops == ':' || isspace(*ops)) ++ops;	263	if (!strcasecmp (arr[i], "tile"))
379
380	# define CHECK_GEOM_OPS(op_str) (strncasecmp (ops, (op_str), sizeof (op_str) - 1) == 0)
381	if (CHECK_GEOM_OPS ("tile"))
382	{	264	{
383	w = h = noScale;	265	w = h = noScale;
384	geom_flags |= WidthValue|HeightValue;	266	geom_flags |= WidthValue|HeightValue;
385	}	267	}
386	else if (CHECK_GEOM_OPS ("propscale"))	268	else if (!strcasecmp (arr[i], "propscale"))
387	{	269	{
388	if (w == 0 && h == 0)	270	new_flags |= BG_PROP_SCALE;
389	{
390	w = windowScale;
391	geom_flags |= WidthValue;
392	}
393	new_flags |= propScale;
394	}	271	}
395	else if (CHECK_GEOM_OPS ("hscale"))	272	else if (!strcasecmp (arr[i], "hscale"))
396	{	273	{
397	if (w == 0) w = windowScale;	274	if (w == 0) w = windowScale;
398		275
399	h = noScale;	276	h = noScale;
400	geom_flags |= WidthValue|HeightValue;	277	geom_flags |= WidthValue|HeightValue;
401	}	278	}
402	else if (CHECK_GEOM_OPS ("vscale"))	279	else if (!strcasecmp (arr[i], "vscale"))
403	{	280	{
404	if (h == 0) h = windowScale;	281	if (h == 0) h = windowScale;
405		282
406	w = noScale;	283	w = noScale;
407	geom_flags |= WidthValue|HeightValue;	284	geom_flags |= WidthValue|HeightValue;
408	}	285	}
409	else if (CHECK_GEOM_OPS ("scale"))	286	else if (!strcasecmp (arr[i], "scale"))
410	{	287	{
411	if (h == 0) h = windowScale;	288	if (h == 0) h = windowScale;
412	if (w == 0) w = windowScale;	289	if (w == 0) w = windowScale;
413		290
414	geom_flags |= WidthValue|HeightValue;	291	geom_flags |= WidthValue|HeightValue;
415	}	292	}
416	else if (CHECK_GEOM_OPS ("auto"))	293	else if (!strcasecmp (arr[i], "auto"))
417	{	294	{
418	w = h = windowScale;	295	w = h = windowScale;
419	x = y = centerAlign;	296	x = y = centerAlign;
420	geom_flags |= WidthValue|HeightValue|XValue|YValue;	297	geom_flags |= WidthValue|HeightValue|XValue|YValue;
421	}	298	}
422	else if (CHECK_GEOM_OPS ("root"))	299	else if (!strcasecmp (arr[i], "root"))
423	{	300	{
		301	new_flags |= BG_ROOT_ALIGN;
424	w = h = noScale;	302	w = h = noScale;
425	x = y = rootAlign;
426	geom_flags |= WidthValue|HeightValue|XValue|YValue;	303	geom_flags |= WidthValue|HeightValue;
427	}	304	}
428	# undef CHECK_GEOM_OPS
429
430	while (*ops != ':' && *ops != '\0') ++ops;
431	} /* done parsing ops */	305	} /* done parsing ops */
432	}
433		306
		307	rxvt_free_strsplit (arr);
		308	}
		309
434	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;
435	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;
436	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;
437	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;
438	}
439		314
440	if (new_flags != flags)	315	if (new_flags != bg_flags)
441	{	316	{
442	flags = new_flags;	317	bg_flags = new_flags;
443	changed++;	318	changed = true;
444	}	319	}
445		320
446	//fprintf (stderr, "flags = %lX, scale = %ux%u, align=%+d%+d\n",
447	// flags, h_scale, v_scale, h_align, v_align);
448	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;
449	}	362	}
450		363
451	# ifdef HAVE_AFTERIMAGE	364	# ifdef HAVE_AFTERIMAGE
452	bool	365	bool
453	bgPixmap_t::render_asim (ASImage *background, ARGB32 background_tint)	366	rxvt_term::render_image (unsigned long tr_flags)
454	{	367	{
455	if (target == NULL)
456	return false;
457
458	target->init_asv ();	368	init_asv ();
		369
		370	ASImage *background = NULL;
		371	ARGB32 background_tint = TINT_LEAVE_SAME;
		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
459		404
460	ASImage *result = 0;	405	ASImage *result = 0;
461		406
462	int target_width = target->szHint.width;	407	int target_width = szHint.width;
463	int target_height = target->szHint.height;	408	int target_height = szHint.height;
464	int new_pmap_width = target_width;	409	int new_pmap_width = target_width;
465	int new_pmap_height = target_height;	410	int new_pmap_height = target_height;
466		411
467	int x = 0;	412	int x = 0;
468	int y = 0;	413	int y = 0;
469	int w = h_scale * target_width / 100;	414	int w = 0;
470	int h = v_scale * target_height / 100;	415	int h = 0;
471
472	TIMING_TEST_START (asim);
473		416
474	if (original_asim)	417	if (original_asim)
475	{	418	get_image_geometry (original_asim->width, original_asim->height, w, h, x, y);
476	if (h_align == rootAlign || v_align == rootAlign)
477	{
478	target->get_window_origin(x, y);
479	x = -x;
480	y = -y;
481	}
482
483	if (h_align != rootAlign)
484	x = make_align_position (h_align, target_width, w > 0 ? w : (int)original_asim->width);
485
486	if (v_align != rootAlign)
487	y = make_align_position (v_align, target_height, h > 0 ? h : (int)original_asim->height);
488	}
489		419
490	if (!original_asim	420	if (!original_asim
		421	|| (!(bg_flags & BG_ROOT_ALIGN)
491	|| x >= target_width	422	&& (x >= target_width
492	|| y >= target_height	423	|| y >= target_height
493	|| (w > 0 && x + w <= 0)	424	|| (x + w <= 0)
494	|| (h > 0 && y + h <= 0))	425	|| (y + h <= 0))))
495	{	426	{
496	if (background)	427	if (background)
497	{	428	{
498	new_pmap_width = background->width;	429	new_pmap_width = background->width;
499	new_pmap_height = background->height;	430	new_pmap_height = background->height;
500	result = background;	431	result = background;
501		432
502	if (background_tint != TINT_LEAVE_SAME)	433	if (background_tint != TINT_LEAVE_SAME)
503	{	434	{
504	ASImage *tmp = tile_asimage (target->asv, background, 0, 0,	435	ASImage *tmp = tile_asimage (asv, background, 0, 0,
505	target_width, target_height, background_tint,	436	target_width, target_height, background_tint,
506	ASA_XImage, 100, ASIMAGE_QUALITY_DEFAULT);	437	ASA_XImage, 100, ASIMAGE_QUALITY_DEFAULT);
507	if (tmp)	438	if (tmp)
508	result = tmp;	439	result = tmp;
509	}	440	}
…		…
513	}	444	}
514	else	445	else
515	{	446	{
516	result = original_asim;	447	result = original_asim;
517		448
518	if ((w > 0 && w != original_asim->width)	449	if ((w != original_asim->width)
519	|| (h > 0 && h != original_asim->height))	450	|| (h != original_asim->height))
520	{	451	{
521	result = scale_asimage (target->asv, original_asim,	452	result = scale_asimage (asv, original_asim,
522	w > 0 ? w : original_asim->width,	453	w, h,
523	h > 0 ? h : original_asim->height,
524	background ? ASA_ASImage : ASA_XImage,	454	background ? ASA_ASImage : ASA_XImage,
525	100, ASIMAGE_QUALITY_DEFAULT);	455	100, ASIMAGE_QUALITY_DEFAULT);
526	}	456	}
527		457
528	if (background == NULL)	458	if (background == NULL)
529	{	459	{
530	/* if tiling - pixmap has to be sized exactly as the image,
531	but there is no need to make it bigger than the window! */
532	if (h_scale == 0)
533	new_pmap_width = min (result->width, target_width);
534	if (v_scale == 0)
535	new_pmap_height = min (result->height, target_height);
536	/* we also need to tile our image in one or both directions */
537	if (h_scale == 0 || v_scale == 0)	460	if (h_scale == 0 || v_scale == 0)
538	{	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 */
539	ASImage *tmp = tile_asimage (target->asv, result,	468	ASImage *tmp = tile_asimage (asv, result,
540	(h_scale > 0) ? 0 : (int)result->width - x,	469	(int)result->width - x,
541	(v_scale > 0) ? 0 : (int)result->height - y,	470	(int)result->height - y,
542	new_pmap_width,	471	new_pmap_width,
543	new_pmap_height,	472	new_pmap_height,
544	TINT_LEAVE_SAME, ASA_XImage,	473	TINT_LEAVE_SAME, ASA_XImage,
545	100, ASIMAGE_QUALITY_DEFAULT);	474	100, ASIMAGE_QUALITY_DEFAULT);
546	if (tmp)	475	if (tmp)
…		…
554	}	483	}
555	else	484	else
556	{	485	{
557	/* 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 */
558	ASImageLayer *layers = create_image_layers (2);	487	ASImageLayer *layers = create_image_layers (2);
559	ASImage *merged_im = NULL;
560		488
561	layers[0].im = background;	489	layers[0].im = background;
562	layers[0].clip_width = target_width;	490	layers[0].clip_width = target_width;
563	layers[0].clip_height = target_height;	491	layers[0].clip_height = target_height;
564	layers[0].tint = background_tint;	492	layers[0].tint = background_tint;
565	layers[1].im = result;	493	layers[1].im = result;
566		494
567	if (w <= 0)	495	if (h_scale == 0 || v_scale == 0)
568	{	496	{
569	/* tile horizontally */	497	/* tile horizontally */
570	while (x > 0) x -= (int)result->width;	498	while (x > 0) x -= (int)result->width;
571	layers[1].dst_x = x;	499	layers[1].dst_x = x;
572	layers[1].clip_width = result->width+target_width;	500	layers[1].clip_width = result->width+target_width;
…		…
576	/* clip horizontally */	504	/* clip horizontally */
577	layers[1].dst_x = x;	505	layers[1].dst_x = x;
578	layers[1].clip_width = result->width;	506	layers[1].clip_width = result->width;
579	}	507	}
580		508
581	if (h <= 0)	509	if (h_scale == 0 || v_scale == 0)
582	{	510	{
583	while (y > 0) y -= (int)result->height;	511	while (y > 0) y -= (int)result->height;
584	layers[1].dst_y = y;	512	layers[1].dst_y = y;
585	layers[1].clip_height = result->height + target_height;	513	layers[1].clip_height = result->height + target_height;
586	}	514	}
…		…
588	{	516	{
589	layers[1].dst_y = y;	517	layers[1].dst_y = y;
590	layers[1].clip_height = result->height;	518	layers[1].clip_height = result->height;
591	}	519	}
592		520
593	if (target->rs[Rs_blendtype])	521	if (rs[Rs_blendtype])
594	{	522	{
595	layers[1].merge_scanlines = blend_scanlines_name2func (target->rs[Rs_blendtype]);	523	layers[1].merge_scanlines = blend_scanlines_name2func (rs[Rs_blendtype]);
596	if (layers[1].merge_scanlines == NULL)	524	if (layers[1].merge_scanlines == NULL)
597	layers[1].merge_scanlines = alphablend_scanlines;	525	layers[1].merge_scanlines = alphablend_scanlines;
598	}	526	}
599		527
600	ASImage *tmp = merge_layers (target->asv, layers, 2, target_width, target_height,	528	ASImage *tmp = merge_layers (asv, layers, 2, target_width, target_height,
601	ASA_XImage, 0, ASIMAGE_QUALITY_DEFAULT);	529	ASA_XImage, 0, ASIMAGE_QUALITY_DEFAULT);
602		530
603	if (tmp)	531	if (tmp)
604	{	532	{
605	if (result != original_asim)	533	if (result != original_asim)
…		…
609	}	537	}
610		538
611	free (layers);	539	free (layers);
612	}	540	}
613	}	541	}
614	TIMING_TEST_PRINT_RESULT (asim);
615		542
616	if (pixmap)	543	bool ret = false;
617	{
618	if (result == NULL
619	|| pmap_width != new_pmap_width
620	|| pmap_height != new_pmap_height
621	|| pmap_depth != target->depth)
622	{
623	XFreePixmap (target->dpy, pixmap);
624	pixmap = None;
625	}
626	}
627		544
628	if (result)	545	if (result)
629	{	546	{
630	XGCValues gcv;	547	XGCValues gcv;
631	GC gc;	548	GC gc;
632		549
633	/* create Pixmap */	550	/* create Pixmap */
634	if (pixmap == None)	551	if (bg_pixmap == None
		552	|| bg_pmap_width != new_pmap_width
		553	|| bg_pmap_height != new_pmap_height)
635	{	554	{
		555	if (bg_pixmap)
		556	XFreePixmap (dpy, bg_pixmap);
636	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);
637	pmap_width = new_pmap_width;	558	bg_pmap_width = new_pmap_width;
638	pmap_height = new_pmap_height;	559	bg_pmap_height = new_pmap_height;
639	pmap_depth = target->depth;
640	}	560	}
641	/* fill with background color ( if result's not completely overlapping it)*/	561	/* fill with background color (if result's not completely overlapping it) */
642	gcv.foreground = target->pix_colors[Color_bg];	562	gcv.foreground = pix_colors[Color_bg];
643	gc = XCreateGC (target->dpy, target->vt, GCForeground, &gcv);	563	gc = XCreateGC (dpy, vt, GCForeground, &gcv);
644		564
645	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;
646	int dst_width = result->width, dst_height = result->height;	566	int dst_width = result->width, dst_height = result->height;
647	if (background == NULL)	567	if (background == NULL)
648	{	568	{
		569	if (!(h_scale == 0 || v_scale == 0))
		570	{
649	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 );
650	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	}
651		574
652	if (dst_x > 0 || dst_y > 0	575	if (dst_x > 0 || dst_y > 0
653	|| dst_x + dst_width < new_pmap_width	576	|| dst_x + dst_width < new_pmap_width
654	|| dst_y + dst_height < new_pmap_height)	577	|| dst_y + dst_height < new_pmap_height)
655	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);
656	}	579	}
657		580
658	/* put result on pixmap */	581	/* put result on pixmap */
659	if (dst_x < new_pmap_width && dst_y < new_pmap_height)	582	if (dst_x < new_pmap_width && dst_y < new_pmap_height)
660	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);
661		584
662	if (result != background && result != original_asim)	585	if (result != background && result != original_asim)
663	destroy_asimage (&result);	586	destroy_asimage (&result);
664		587
665	XFreeGC (target->dpy, gc);	588	XFreeGC (dpy, gc);
666	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)
667	}	646	{
		647	free (data);
		648	return false;
		649	}
668		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);
669	return true;	681	return true;
670	}	682	}
671	# endif /* HAVE_AFTERIMAGE */
672		683
673	bool	684	bool
674	bgPixmap_t::set_file (const char *file)	685	rxvt_term::render_image (unsigned long tr_flags)
675	{	686	{
676	assert (file);	687	if (!pixbuf)
		688	return false;
677		689
678	if (*file)	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);
679	{	726	}
		727
		728	if (!result)
		729	return false;
		730
		731	bool ret = false;
		732
		733	XGCValues gcv;
		734	GC gc;
		735	Pixmap root_pmap;
		736
		737	image_width = gdk_pixbuf_get_width (result);
		738	image_height = gdk_pixbuf_get_height (result);
		739
		740	if (tr_flags)
		741	{
		742	root_pmap = bg_pixmap;
		743	bg_pixmap = None;
		744	}
		745	else
		746	{
		747	if (h_scale == 0 || v_scale == 0)
		748	{
		749	new_pmap_width = min (image_width, target_width);
		750	new_pmap_height = min (image_height, target_height);
		751	}
		752	}
		753
		754	if (bg_pixmap == None
		755	|| bg_pmap_width != new_pmap_width
		756	|| bg_pmap_height != new_pmap_height)
		757	{
		758	if (bg_pixmap)
		759	XFreePixmap (dpy, bg_pixmap);
		760	bg_pixmap = XCreatePixmap (dpy, vt, new_pmap_width, new_pmap_height, depth);
		761	bg_pmap_width = new_pmap_width;
		762	bg_pmap_height = new_pmap_height;
		763	}
		764
		765	if (bg_pixmap != None)
		766	{
		767	gcv.foreground = pix_colors[Color_bg];
		768	gc = XCreateGC (dpy, vt, GCForeground, &gcv);
		769
		770	if (gc)
		771	{
		772	if (h_scale == 0 || v_scale == 0)
		773	{
		774	Pixmap tile = XCreatePixmap (dpy, vt, image_width, image_height, depth);
		775
		776	if (tile != None)
		777	{
		778	pixbuf_to_pixmap (result, tile, gc,
		779	0, 0,
		780	0, 0,
		781	image_width, image_height);
		782
		783	gcv.tile = tile;
		784	gcv.fill_style = FillTiled;
		785	gcv.ts_x_origin = x;
		786	gcv.ts_y_origin = y;
		787	XChangeGC (dpy, gc, GCFillStyle | GCTile | GCTileStipXOrigin | GCTileStipYOrigin, &gcv);
		788
		789	XFillRectangle (dpy, bg_pixmap, gc, 0, 0, new_pmap_width, new_pmap_height);
		790	XFreePixmap (dpy, tile);
		791	}
		792	}
		793	else
		794	{
		795	int src_x, src_y, dst_x, dst_y;
		796	int dst_width, dst_height;
		797
		798	src_x = make_clip_rectangle (x, image_width , new_pmap_width , dst_x, dst_width );
		799	src_y = make_clip_rectangle (y, image_height, new_pmap_height, dst_y, dst_height);
		800
		801	if (dst_x > 0 || dst_y > 0
		802	|| dst_x + dst_width < new_pmap_width
		803	|| dst_y + dst_height < new_pmap_height)
		804	XFillRectangle (dpy, bg_pixmap, gc, 0, 0, new_pmap_width, new_pmap_height);
		805
		806	if (dst_x < new_pmap_width && dst_y < new_pmap_height)
		807	pixbuf_to_pixmap (result, bg_pixmap, gc,
		808	src_x, src_y,
		809	dst_x, dst_y,
		810	dst_width, dst_height);
		811	}
		812
		813	#if XRENDER
		814	if (tr_flags)
		815	{
		816	XRenderPictureAttributes pa;
		817
		818	XRenderPictFormat *src_format = XRenderFindVisualFormat (dpy, visual);
		819	Picture src = XRenderCreatePicture (dpy, root_pmap, src_format, 0, &pa);
		820
		821	XRenderPictFormat *dst_format = XRenderFindVisualFormat (dpy, visual);
		822	Picture dst = XRenderCreatePicture (dpy, bg_pixmap, dst_format, 0, &pa);
		823
		824	pa.repeat = True;
		825	Pixmap mask_pmap = XCreatePixmap (dpy, vt, 1, 1, 8);
		826	XRenderPictFormat *mask_format = XRenderFindStandardFormat (dpy, PictStandardA8);
		827	Picture mask = XRenderCreatePicture (dpy, mask_pmap, mask_format, CPRepeat, &pa);
		828	XFreePixmap (dpy, mask_pmap);
		829
		830	if (src && dst && mask)
		831	{
		832	XRenderColor mask_c;
		833
		834	mask_c.alpha = 0x8000;
		835	mask_c.red = 0;
		836	mask_c.green = 0;
		837	mask_c.blue = 0;
		838	XRenderFillRectangle (dpy, PictOpSrc, mask, &mask_c, 0, 0, 1, 1);
		839	XRenderComposite (dpy, PictOpOver, src, mask, dst, 0, 0, 0, 0, 0, 0, target_width, target_height);
		840	}
		841
		842	XRenderFreePicture (dpy, src);
		843	XRenderFreePicture (dpy, dst);
		844	XRenderFreePicture (dpy, mask);
		845	}
		846	#endif
		847
		848	XFreeGC (dpy, gc);
		849
		850	ret = true;
		851	}
		852	}
		853
		854	if (result != pixbuf)
		855	g_object_unref (result);
		856
		857	if (tr_flags)
		858	XFreePixmap (dpy, root_pmap);
		859
		860	return ret;
		861	}
		862	# endif /* HAVE_PIXBUF */
		863
		864	bool
		865	rxvt_term::bg_set_file (const char *file)
		866	{
		867	if (!file || !*file)
		868	return false;
		869
		870	if (const char *p = strchr (file, ';'))
		871	{
		872	size_t len = p - file;
		873	char *f = rxvt_temp_buf<char> (len + 1);
		874	memcpy (f, file, len);
		875	f[len] = '\0';
		876	file = f;
		877	}
		878
680	# ifdef HAVE_AFTERIMAGE	879	# ifdef HAVE_AFTERIMAGE
681	if (!target->asimman)	880	if (!asimman)
682	target->asimman = create_generic_imageman (target->rs[Rs_path]);	881	asimman = create_generic_imageman (rs[Rs_path]);
683
684	if (const char *p = strchr (file, ';'))
685	{
686	size_t len = p - file;
687	char *f = (char *)malloc (len + 1);
688	memcpy (f, file, len);
689	f[len] = '\0';
690	original_asim = get_asimage (target->asimman, f, 0xFFFFFFFF, 100);
691	free (f);
692	}
693	else
694	original_asim = get_asimage (target->asimman, file, 0xFFFFFFFF, 100);	882	ASImage *image = get_asimage (asimman, file, 0xFFFFFFFF, 100);
695		883	if (image)
696	return original_asim;	884	{
		885	if (original_asim)
		886	safe_asimage_destroy (original_asim);
		887	original_asim = image;
		888	bg_flags |= BG_IS_FROM_FILE | BG_CLIENT_RENDER;
		889	return true;
		890	}
697	# endif	891	# endif
		892
		893	# ifdef HAVE_PIXBUF
		894	GdkPixbuf *image = gdk_pixbuf_new_from_file (file, NULL);
		895	if (image)
698	}	896	{
		897	if (pixbuf)
		898	g_object_unref (pixbuf);
		899	pixbuf = image;
		900	bg_flags |= BG_IS_FROM_FILE;
		901	return true;
		902	}
		903	# endif
699		904
700	return false;	905	return false;
701	}	906	}
702		907
703	# endif /* BG_IMAGE_FROM_FILE */	908	# endif /* BG_IMAGE_FROM_FILE */
704		909
705	# ifdef ENABLE_TRANSPARENCY	910	# ifdef ENABLE_TRANSPARENCY
706	bool	911	bool
707	bgPixmap_t::set_transparent ()	912	rxvt_term::bg_set_transparent ()
708	{	913	{
709	if (!(flags & isTransparent))	914	if (!(bg_flags & BG_IS_TRANSPARENT))
710	{	915	{
711	flags |= isTransparent;	916	bg_flags |= BG_IS_TRANSPARENT;
712	return true;	917	return true;
713	}	918	}
714		919
715	return false;	920	return false;
716	}	921	}
717		922
718	bool	923	bool
719	bgPixmap_t::set_blur_radius (const char *geom)	924	rxvt_term::bg_set_blur (const char *geom)
720	{	925	{
721	int changed = 0;	926	bool changed = false;
722	unsigned int hr, vr;	927	unsigned int hr, vr;
723	int junk;	928	int junk;
724	int geom_flags = XParseGeometry (geom, &junk, &junk, &hr, &vr);	929	int geom_flags = XParseGeometry (geom, &junk, &junk, &hr, &vr);
725		930
726	if (!(geom_flags&WidthValue))	931	if (!(geom_flags & WidthValue))
727	hr = 1;	932	hr = 1;
728	if (!(geom_flags&HeightValue))	933	if (!(geom_flags & HeightValue))
729	vr = hr;	934	vr = hr;
730		935
		936	min_it (hr, 128);
		937	min_it (vr, 128);
		938
731	if (h_blurRadius != hr)	939	if (h_blurRadius != hr)
732	{	940	{
733	++changed;	941	changed = true;
734	h_blurRadius = hr;	942	h_blurRadius = hr;
735	}	943	}
736		944
737	if (v_blurRadius != vr)	945	if (v_blurRadius != vr)
738	{	946	{
739	++changed;	947	changed = true;
740	v_blurRadius = vr;	948	v_blurRadius = vr;
741	}	949	}
742		950
743	if (v_blurRadius == 0 && h_blurRadius == 0)	951	if (v_blurRadius == 0 && h_blurRadius == 0)
744	flags &= ~blurNeeded;	952	bg_flags &= ~BG_NEEDS_BLUR;
745	else	953	else
746	flags |= blurNeeded;	954	bg_flags |= BG_NEEDS_BLUR;
747		955
748	return (changed>0);	956	return changed;
749	}	957	}
750		958
751	static inline unsigned long	959	void
752	compute_tint_shade_flags (rxvt_color *tint, int shade)	960	rxvt_term::set_tint_shade_flags ()
753	{	961	{
754	unsigned long flags = 0;
755	rgba c (rgba::MAX_CC,rgba::MAX_CC,rgba::MAX_CC);	962	rgba c (rgba::MAX_CC,rgba::MAX_CC,rgba::MAX_CC);
756	bool has_shade = (shade > 0 && shade < 100) || (shade > 100 && shade < 200);	963	bool has_shade = shade != 100;
757		964
758	if (tint)	965	bg_flags &= ~BG_TINT_FLAGS;
		966
		967	if (bg_flags & BG_TINT_SET)
759	{	968	{
760	tint->get (c);	969	tint.get (c);
761	# define IS_COMPONENT_WHOLESOME(cmp) ((cmp) <= 0x000700 || (cmp) >= 0x00f700)
762	if (!has_shade && IS_COMPONENT_WHOLESOME (c.r)
763	&& IS_COMPONENT_WHOLESOME (c.g)
764	&& IS_COMPONENT_WHOLESOME (c.b))
765	flags |= bgPixmap_t::tintWholesome;
766	# undef IS_COMPONENT_WHOLESOME
767	}
768
769	if (has_shade)	970	if (!has_shade
770	flags |= bgPixmap_t::tintNeeded;	971	&& (c.r <= 0x00ff || c.r >= 0xff00)
771	else if (tint)	972	&& (c.g <= 0x00ff || c.g >= 0xff00)
		973	&& (c.b <= 0x00ff || c.b >= 0xff00))
		974	bg_flags |= BG_TINT_BITAND;
772	{	975	}
773	if ((c.r > 0x000700 || c.g > 0x000700 || c.b > 0x000700)	976
774	&& (c.r < 0x00f700 || c.g < 0x00f700 || c.b < 0x00f700))	977	if (has_shade || (bg_flags & BG_TINT_SET))
		978	bg_flags |= BG_NEEDS_TINT;
		979	}
		980
		981	bool
		982	rxvt_term::bg_set_tint (rxvt_color &new_tint)
		983	{
		984	if (!(bg_flags & BG_TINT_SET) || tint != new_tint)
		985	{
		986	tint = new_tint;
		987	bg_flags |= BG_TINT_SET;
		988	set_tint_shade_flags ();
		989	return true;
		990	}
		991
		992	return false;
		993	}
		994
		995	bool
		996	rxvt_term::bg_set_shade (const char *shade_str)
		997	{
		998	int new_shade = (shade_str) ? atoi (shade_str) : 100;
		999
		1000	clamp_it (new_shade, -100, 200);
		1001	if (new_shade < 0)
		1002	new_shade = 200 - (100 + new_shade);
		1003
		1004	if (new_shade != shade)
		1005	{
		1006	shade = new_shade;
		1007	set_tint_shade_flags ();
		1008	return true;
		1009	}
		1010
		1011	return false;
		1012	}
		1013
		1014	#if XRENDER
		1015	static void
		1016	get_gaussian_kernel (int radius, int width, double *kernel, XFixed *params)
		1017	{
		1018	double sigma = radius / 2.0;
		1019	double scale = sqrt (2.0 * M_PI) * sigma;
		1020	double sum = 0.0;
		1021
		1022	for (int i = 0; i < width; i++)
		1023	{
		1024	double x = i - width / 2;
		1025	kernel[i] = exp (-(x * x) / (2.0 * sigma * sigma)) / scale;
		1026	sum += kernel[i];
		1027	}
		1028
		1029	params[0] = XDoubleToFixed (width);
		1030	params[1] = XDoubleToFixed (1);
		1031
		1032	for (int i = 0; i < width; i++)
		1033	params[i+2] = XDoubleToFixed (kernel[i] / sum);
		1034	}
		1035	#endif
		1036
		1037	bool
		1038	rxvt_term::blur_pixmap (Pixmap pixmap, Visual *visual, int width, int height)
		1039	{
		1040	bool ret = false;
		1041	#if XRENDER
		1042	int size = max (h_blurRadius, v_blurRadius) * 2 + 1;
		1043	double *kernel = (double *)malloc (size * sizeof (double));
		1044	XFixed *params = (XFixed *)malloc ((size + 2) * sizeof (XFixed));
		1045
		1046	XRenderPictureAttributes pa;
		1047	XRenderPictFormat *format = XRenderFindVisualFormat (dpy, visual);
		1048
		1049	Picture src = XRenderCreatePicture (dpy, pixmap, format, 0, &pa);
		1050	Picture dst = XRenderCreatePicture (dpy, pixmap, format, 0, &pa);
		1051
		1052	if (kernel && params && src && dst)
		1053	{
		1054	if (h_blurRadius)
775	{	1055	{
776	flags |= bgPixmap_t::tintNeeded;	1056	size = h_blurRadius * 2 + 1;
		1057	get_gaussian_kernel (h_blurRadius, size, kernel, params);
		1058
		1059	XRenderSetPictureFilter (dpy, src, FilterConvolution, params, size+2);
		1060	XRenderComposite (dpy,
		1061	PictOpSrc,
		1062	src,
		1063	None,
		1064	dst,
		1065	0, 0,
		1066	0, 0,
		1067	0, 0,
		1068	width, height);
777	}	1069	}
778	}
779		1070
780	if (flags & bgPixmap_t::tintNeeded)	1071	if (v_blurRadius)
		1072	{
		1073	size = v_blurRadius * 2 + 1;
		1074	get_gaussian_kernel (v_blurRadius, size, kernel, params);
		1075	::swap (params[0], params[1]);
		1076
		1077	XRenderSetPictureFilter (dpy, src, FilterConvolution, params, size+2);
		1078	XRenderComposite (dpy,
		1079	PictOpSrc,
		1080	src,
		1081	None,
		1082	dst,
		1083	0, 0,
		1084	0, 0,
		1085	0, 0,
		1086	width, height);
		1087	}
		1088
		1089	ret = true;
781	{	1090	}
782	if (flags & bgPixmap_t::tintWholesome)	1091
783	flags |= bgPixmap_t::tintServerSide;	1092	free (kernel);
		1093	free (params);
		1094	XRenderFreePicture (dpy, src);
		1095	XRenderFreePicture (dpy, dst);
		1096	#endif
		1097	return ret;
		1098	}
		1099
		1100	bool
		1101	rxvt_term::tint_pixmap (Pixmap pixmap, Visual *visual, int width, int height)
		1102	{
		1103	bool ret = false;
		1104
		1105	if (bg_flags & BG_TINT_BITAND)
		1106	{
		1107	XGCValues gcv;
		1108	GC gc;
		1109
		1110	/* In this case we can tint image server-side getting significant
		1111	* performance improvements, as we eliminate XImage transfer
		1112	*/
		1113	gcv.foreground = Pixel (tint);
		1114	gcv.function = GXand;
		1115	gcv.fill_style = FillSolid;
		1116	gc = XCreateGC (dpy, pixmap, GCFillStyle | GCForeground | GCFunction, &gcv);
		1117	if (gc)
		1118	{
		1119	XFillRectangle (dpy, pixmap, gc, 0, 0, width, height);
		1120	ret = true;
		1121	XFreeGC (dpy, gc);
		1122	}
		1123	}
		1124	else
		1125	{
		1126	# if XRENDER
		1127	rgba c (rgba::MAX_CC, rgba::MAX_CC, rgba::MAX_CC);
		1128
		1129	if (bg_flags & BG_TINT_SET)
		1130	tint.get (c);
		1131
		1132	if (shade <= 100)
		1133	{
		1134	c.r = c.r * shade / 100;
		1135	c.g = c.g * shade / 100;
		1136	c.b = c.b * shade / 100;
		1137	}
784	else	1138	else
785	{	1139	{
786	#if XFT	1140	c.r = c.r * (200 - shade) / 100;
787	flags |= bgPixmap_t::tintServerSide;	1141	c.g = c.g * (200 - shade) / 100;
788	#endif	1142	c.b = c.b * (200 - shade) / 100;
		1143	}
		1144
		1145	XRenderPictFormat *solid_format = XRenderFindStandardFormat (dpy, PictStandardARGB32);
		1146	XRenderPictFormat *format = XRenderFindVisualFormat (dpy, visual);
		1147	XRenderPictureAttributes pa;
		1148
		1149	Picture back_pic = XRenderCreatePicture (dpy, pixmap, format, 0, &pa);
		1150
		1151	pa.repeat = True;
		1152
		1153	Pixmap overlay_pmap = XCreatePixmap (dpy, pixmap, 1, 1, 32);
		1154	Picture overlay_pic = XRenderCreatePicture (dpy, overlay_pmap, solid_format, CPRepeat, &pa);
		1155	XFreePixmap (dpy, overlay_pmap);
		1156
		1157	pa.component_alpha = True;
		1158	Pixmap mask_pmap = XCreatePixmap (dpy, pixmap, 1, 1, 32);
		1159	Picture mask_pic = XRenderCreatePicture (dpy, mask_pmap, solid_format, CPRepeat | CPComponentAlpha, &pa);
		1160	XFreePixmap (dpy, mask_pmap);
		1161
		1162	if (mask_pic && overlay_pic && back_pic)
789	}	1163	{
790	}	1164	XRenderColor mask_c;
791		1165
792	return flags;	1166	mask_c.alpha = 0xffff;
793	}	1167	mask_c.red =
		1168	mask_c.green =
		1169	mask_c.blue = 0;
		1170	XRenderFillRectangle (dpy, PictOpSrc, overlay_pic, &mask_c, 0, 0, 1, 1);
794		1171
795	bool	1172	mask_c.alpha = 0;
796	bgPixmap_t::set_tint (rxvt_color &new_tint)	1173	mask_c.red = 0xffff - c.r;
797	{	1174	mask_c.green = 0xffff - c.g;
798	if (tint != new_tint)	1175	mask_c.blue = 0xffff - c.b;
		1176	XRenderFillRectangle (dpy, PictOpSrc, mask_pic, &mask_c, 0, 0, 1, 1);
		1177	XRenderComposite (dpy, PictOpOver, overlay_pic, mask_pic, back_pic, 0, 0, 0, 0, 0, 0, width, height);
		1178
		1179	if (shade > 100)
		1180	{
		1181	mask_c.red = mask_c.green = mask_c.blue = 0xffff * (shade - 100) / 100;
		1182	mask_c.alpha = 0;
		1183	XRenderFillRectangle (dpy, PictOpSrc, overlay_pic, &mask_c, 0, 0, 1, 1);
		1184
		1185	XRenderComposite (dpy, PictOpOver, overlay_pic, None, back_pic, 0, 0, 0, 0, 0, 0, width, height);
		1186	}
		1187
		1188	ret = true;
		1189	}
		1190
		1191	XRenderFreePicture (dpy, mask_pic);
		1192	XRenderFreePicture (dpy, overlay_pic);
		1193	XRenderFreePicture (dpy, back_pic);
		1194	# endif
799	{	1195	}
800	unsigned long new_flags = compute_tint_shade_flags (&new_tint, shade);
801	tint = new_tint;
802	flags = (flags & ~tintFlags) | new_flags | tintSet;
803	return true;
804	}
805		1196
806	return false;	1197	return ret;
807	}	1198	}
808		1199
809	bool	1200	/*
810	bgPixmap_t::unset_tint ()	1201	* Builds a pixmap of the same size as the terminal window that contains
811	{
812	unsigned long new_flags = compute_tint_shade_flags (NULL, shade);
813
814	if (new_flags != (flags & tintFlags))
815	{
816	flags = (flags&~tintFlags)|new_flags;
817	return true;
818	}
819
820	return false;
821	}
822
823	bool
824	bgPixmap_t::set_shade (const char *shade_str)
825	{
826	int new_shade = (shade_str) ? atoi (shade_str) : 0;
827
828	if (new_shade < 0 && new_shade > -100)
829	new_shade = 200 - (100 + new_shade);
830	else if (new_shade == 100)
831	new_shade = 0;
832
833	if (new_shade != shade)
834	{
835	unsigned long new_flags = compute_tint_shade_flags ((flags & tintSet) ? &tint : NULL, new_shade);
836	shade = new_shade;
837	flags = (flags & (~tintFlags | tintSet)) | new_flags;
838	return true;
839	}
840
841	return false;
842	}
843
844	/* make_transparency_pixmap()
845	* Builds a pixmap sized the same as terminal window, with depth same as the root window
846	* that pixmap contains tiled portion of the root pixmap that is supposed to be covered by	1202	* the tiled portion of the root pixmap that is supposed to be covered by
847	* our window.	1203	* our window.
848	*/	1204	*/
849	unsigned long	1205	unsigned long
850	bgPixmap_t::make_transparency_pixmap ()	1206	rxvt_term::make_transparency_pixmap ()
851	{	1207	{
852	unsigned long result = 0;	1208	unsigned long result = 0;
853
854	if (target == NULL)
855	return 0;
856		1209
857	/* root dimensions may change from call to call - but Display structure should	1210	/* root dimensions may change from call to call - but Display structure should
858	* be always up-to-date, so let's use it :	1211	* be always up-to-date, so let's use it :
859	*/	1212	*/
860	Window root = target->display->root;
861	int screen = target->display->screen;	1213	int screen = display->screen;
862	Display *dpy = target->dpy;	1214	int root_depth = DefaultDepth (dpy, screen);
863	int root_width = DisplayWidth (dpy, screen);	1215	int root_width = DisplayWidth (dpy, screen);
864	int root_height = DisplayHeight (dpy, screen);	1216	int root_height = DisplayHeight (dpy, screen);
865	unsigned int root_pmap_width, root_pmap_height;	1217	unsigned int root_pmap_width, root_pmap_height;
866	int window_width = target->szHint.width;	1218	int window_width = szHint.width;
867	int window_height = target->szHint.height;	1219	int window_height = szHint.height;
868	int sx, sy;	1220	int sx, sy;
869	XGCValues gcv;	1221	XGCValues gcv;
		1222	GC gc;
870		1223
871	TIMING_TEST_START (tp);	1224	sx = target_x;
872	target->get_window_origin (sx, sy);	1225	sy = target_y;
873		1226
874	/* check if we are outside of the visible part of the virtual screen : */	1227	/* check if we are outside of the visible part of the virtual screen : */
875	if (sx + window_width <= 0 || sy + window_height <= 0	1228	if (sx + window_width <= 0 || sy + window_height <= 0
876	|| sx >= root_width || sy >= root_height)	1229	|| sx >= root_width || sy >= root_height)
877	return 0;	1230	return 0;
878		1231
		1232	// validate root pixmap and get its size
879	if (root_pixmap != None)	1233	if (root_pixmap != None)
880	{	1234	{
881	/* we want to validate the pixmap and get it's size at the same time : */	1235	Window wdummy;
882	int junk;	1236	int idummy;
883	unsigned int ujunk;	1237	unsigned int udummy;
884	/* root pixmap may be bad - allow a error */	1238
885	target->allowedxerror = -1;	1239	allowedxerror = -1;
886		1240
887	if (!XGetGeometry (dpy, root_pixmap, &root, &junk, &junk, &root_pmap_width, &root_pmap_height, &ujunk, &ujunk))	1241	if (!XGetGeometry (dpy, root_pixmap, &wdummy, &idummy, &idummy, &root_pmap_width, &root_pmap_height, &udummy, &udummy))
888	root_pixmap = None;	1242	root_pixmap = None;
889		1243
890	target->allowedxerror = 0;	1244	allowedxerror = 0;
		1245	}
		1246
		1247	Pixmap recoded_root_pmap = root_pixmap;
		1248
		1249	if (root_pixmap != None && root_depth != depth)
891	}	1250	{
		1251	#if XRENDER
		1252	if (bg_flags & BG_HAS_RENDER)
		1253	{
		1254	recoded_root_pmap = XCreatePixmap (dpy, vt, root_pmap_width, root_pmap_height, depth);
892		1255
893	Pixmap tiled_root_pmap = XCreatePixmap (dpy, root, window_width, window_height, root_depth);	1256	if (recoded_root_pmap != None)
894	GC gc = NULL;	1257	{
		1258	XRenderPictureAttributes pa;
895		1259
896	if (tiled_root_pmap == None) /* something really bad happened - abort */	1260	XRenderPictFormat *src_format = XRenderFindVisualFormat (dpy, DefaultVisual (dpy, screen));
		1261	Picture src = XRenderCreatePicture (dpy, root_pixmap, src_format, 0, &pa);
		1262
		1263	XRenderPictFormat *dst_format = XRenderFindVisualFormat (dpy, visual);
		1264	Picture dst = XRenderCreatePicture (dpy, recoded_root_pmap, dst_format, 0, &pa);
		1265
		1266	if (src && dst)
		1267	XRenderComposite (dpy, PictOpSrc, src, None, dst, 0, 0, 0, 0, 0, 0, root_pmap_width, root_pmap_height);
		1268	else
		1269	{
		1270	XFreePixmap (dpy, recoded_root_pmap);
		1271	recoded_root_pmap = None;
		1272	}
		1273
		1274	XRenderFreePicture (dpy, src);
		1275	XRenderFreePicture (dpy, dst);
		1276	}
		1277	}
		1278	else
		1279	#endif
		1280	recoded_root_pmap = None;
		1281	}
		1282
		1283	if (recoded_root_pmap == None)
897	return 0;	1284	return 0;
898		1285
899	if (root_pixmap == None)	1286	if (bg_pixmap == None
900	{	1287	|| bg_pmap_width != window_width
901	/* use tricks to obtain the root background image :*/	1288	|| bg_pmap_height != window_height)
902	/* we want to create Overrideredirect window overlapping out window
903	with background type of Parent Relative and then grab it */
904	XSetWindowAttributes attr;
905	Window src;
906	bool success = false;
907
908	attr.background_pixmap = ParentRelative;
909	attr.backing_store = Always;
910	attr.event_mask = ExposureMask;
911	attr.override_redirect = True;
912	src = XCreateWindow (dpy, root, sx, sy, window_width, window_height, 0,
913	CopyFromParent, CopyFromParent, CopyFromParent,
914	CWBackPixmap|CWBackingStore|CWOverrideRedirect|CWEventMask,
915	&attr);
916
917	if (src != None)
918	{
919	XEvent event;
920	int ev_count = 0;
921	XGrabServer (dpy);
922	XMapRaised (dpy, src);
923	XSync (dpy, False);
924
925	/* XSync should get window where it's properly exposed,
926	* but to be on the safe side - let's check for the actual event to arrive : */
927	while (XCheckWindowEvent (dpy, src, ExposureMask, &event))
928	++ev_count;
929
930	if (ev_count > 0);
931	{
932	/* hooray! - we can grab the image! */
933	gc = XCreateGC (dpy, root, 0, NULL);
934	if (gc)
935	{
936	XCopyArea (dpy, src, tiled_root_pmap, gc, 0, 0, window_width, window_height, 0, 0);
937	success = true;
938	}
939	}
940
941	XDestroyWindow (dpy, src);
942	XUngrabServer (dpy);
943	//fprintf (stderr, "%s:%d: ev_count = %d\n", __FUNCTION__, __LINE__, ev_count);
944	}
945
946	if (!success)
947	{
948	XFreePixmap (dpy, tiled_root_pmap);
949	tiled_root_pmap = None;
950	}
951	else
952	result |= transpPmapTiled;
953	}	1289	{
954	else	1290	if (bg_pixmap)
		1291	XFreePixmap (dpy, bg_pixmap);
		1292	bg_pixmap = XCreatePixmap (dpy, vt, window_width, window_height, depth);
		1293	bg_pmap_width = window_width;
		1294	bg_pmap_height = window_height;
		1295	}
		1296
		1297	if (bg_pixmap != None)
955	{	1298	{
956	/* straightforward pixmap copy */	1299	/* straightforward pixmap copy */
		1300	while (sx < 0) sx += root_width;
		1301	while (sy < 0) sy += root_height;
		1302
957	gcv.tile = root_pixmap;	1303	gcv.tile = recoded_root_pmap;
958	gcv.fill_style = FillTiled;	1304	gcv.fill_style = FillTiled;
959
960	while (sx < 0) sx += (int)root_width;
961	while (sy < 0) sy += (int)root_height;
962
963	gcv.ts_x_origin = -sx;	1305	gcv.ts_x_origin = -sx;
964	gcv.ts_y_origin = -sy;	1306	gcv.ts_y_origin = -sy;
965	gc = XCreateGC (dpy, root, GCFillStyle | GCTile | GCTileStipXOrigin | GCTileStipYOrigin, &gcv);	1307	gc = XCreateGC (dpy, vt, GCFillStyle | GCTile | GCTileStipXOrigin | GCTileStipYOrigin, &gcv);
966		1308
967	if (gc)	1309	if (gc)
968	{	1310	{
969	XFillRectangle (dpy, tiled_root_pmap, gc, 0, 0, window_width, window_height);	1311	XFillRectangle (dpy, bg_pixmap, gc, 0, 0, window_width, window_height);
970	result |= transpPmapTiled;	1312	result |= BG_IS_VALID | (bg_flags & BG_EFFECTS_FLAGS);
971	}	1313	XFreeGC (dpy, gc);
972	}
973	TIMING_TEST_PRINT_RESULT (tp);
974		1314
975	if (tiled_root_pmap != None)	1315	if (!(bg_flags & BG_CLIENT_RENDER))
976	{
977	if (!need_client_side_rendering ())
978	{	1316	{
979	if ((flags & tintNeeded))	1317	if ((bg_flags & BG_NEEDS_BLUR)
980	{	1318	&& (bg_flags & BG_HAS_RENDER_CONV))
981	if (flags & tintWholesome)
982	{	1319	{
983	/* In this case we can tint image server-side getting significant	1320	if (blur_pixmap (bg_pixmap, visual, window_width, window_height))
984	* performance improvements, as we eliminate XImage transfer	1321	result &= ~BG_NEEDS_BLUR;
985	*/
986	gcv.foreground = Pixel (tint);
987	gcv.function = GXand;
988	gcv.fill_style = FillSolid;
989	if (gc)
990	XChangeGC (dpy, gc, GCFillStyle | GCForeground | GCFunction, &gcv);
991	else
992	gc = XCreateGC (dpy, root, GCFillStyle | GCForeground | GCFunction, &gcv);
993	if (gc)
994	{
995	XFillRectangle (dpy, tiled_root_pmap, gc, 0, 0, window_width, window_height);
996	result |= transpPmapTinted;
997	}
998	}	1322	}
999	else	1323	if ((bg_flags & BG_NEEDS_TINT)
		1324	&& (bg_flags & (BG_TINT_BITAND | BG_HAS_RENDER)))
1000	{	1325	{
1001	# if XFT	1326	if (tint_pixmap (bg_pixmap, visual, window_width, window_height))
1002	Picture back_pic = 0;	1327	result &= ~BG_NEEDS_TINT;
1003	rgba c (rgba::MAX_CC,rgba::MAX_CC,rgba::MAX_CC);
1004
1005	if (flags & tintSet)
1006	tint.get (c);
1007
1008	if (shade > 0 && shade < 100)
1009	{
1010	c.r = (c.r * shade) / 100;
1011	c.g = (c.g * shade) / 100;
1012	c.b = (c.b * shade) / 100;
1013	}
1014	else if (shade > 100 && shade < 200)
1015	{
1016	c.r = (c.r * (200 - shade)) / 100;
1017	c.g = (c.g * (200 - shade)) / 100;
1018	c.b = (c.b * (200 - shade)) / 100;
1019	}
1020
1021	XRenderPictFormat pf;
1022	pf.type = PictTypeDirect;
1023	pf.depth = 32;
1024	pf.direct.redMask = 0xff;
1025	pf.direct.greenMask = 0xff;
1026	pf.direct.blueMask = 0xff;
1027	pf.direct.alphaMask = 0xff;
1028
1029	XRenderPictFormat *solid_format = XRenderFindFormat (dpy,
1030	(PictFormatType|
1031	PictFormatDepth|
1032	PictFormatRedMask|
1033	PictFormatGreenMask|
1034	PictFormatBlueMask|
1035	PictFormatAlphaMask),
1036	&pf,
1037	0);
1038	XRenderPictFormat *root_format = XRenderFindVisualFormat (dpy, DefaultVisualOfScreen (ScreenOfDisplay (dpy, target->display->screen)));
1039	XRenderPictureAttributes pa ;
1040
1041	back_pic = XRenderCreatePicture (dpy, tiled_root_pmap, root_format, 0, &pa);
1042
1043	pa.repeat = True;
1044
1045	Pixmap overlay_pmap = XCreatePixmap (dpy, root, 1, 1, 32);
1046	Picture overlay_pic = XRenderCreatePicture (dpy, overlay_pmap, solid_format, CPRepeat, &pa);
1047	XFreePixmap (dpy, overlay_pmap);
1048
1049	pa.component_alpha = True;
1050	Pixmap mask_pmap = XCreatePixmap (dpy, root, 1, 1, 32);
1051	Picture mask_pic = XRenderCreatePicture (dpy, mask_pmap, solid_format, CPRepeat|CPComponentAlpha, &pa);
1052	XFreePixmap (dpy, mask_pmap);
1053
1054	if (mask_pic && overlay_pic && back_pic)
1055	{
1056	XRenderColor mask_c;
1057
1058	memset (&mask_c, (shade > 100) ? 0xFF : 0x0, sizeof (mask_c));
1059	mask_c.alpha = 0xffff;
1060	XRenderFillRectangle (dpy, PictOpSrc, overlay_pic, &mask_c, 0, 0, 1, 1);
1061
1062	mask_c.alpha = 0;
1063	mask_c.red = 0xffff - c.r;
1064	mask_c.green = 0xffff - c.g;
1065	mask_c.blue = 0xffff - c.b;
1066	XRenderFillRectangle (dpy, PictOpSrc, mask_pic, &mask_c, 0, 0, 1, 1);
1067	XRenderComposite (dpy, PictOpOver, overlay_pic, mask_pic, back_pic, 0, 0, 0, 0, 0, 0, window_width, window_height);
1068	result |= transpPmapTinted;
1069	}
1070
1071	XRenderFreePicture (dpy, mask_pic);
1072	XRenderFreePicture (dpy, overlay_pic);
1073	XRenderFreePicture (dpy, back_pic);
1074	# if DO_TIMING_TEST
1075	XSync (dpy, False);
1076	# endif
1077	# endif
1078	}	1328	}
1079	}
1080	} /* server side rendering completed */	1329	} /* server side rendering completed */
1081		1330	}
1082	if (pixmap)
1083	XFreePixmap (dpy, pixmap);
1084
1085	pixmap = tiled_root_pmap;
1086	pmap_width = window_width;
1087	pmap_height = window_height;
1088	pmap_depth = root_depth;
1089	}	1331	}
1090		1332
1091	if (gc)	1333	if (recoded_root_pmap != root_pixmap)
1092	XFreeGC (dpy, gc);	1334	XFreePixmap (dpy, recoded_root_pmap);
1093
1094	TIMING_TEST_PRINT_RESULT (tp);
1095		1335
1096	return result;	1336	return result;
1097	}	1337	}
1098		1338
		1339	void
		1340	rxvt_term::bg_set_root_pixmap ()
		1341	{
		1342	Pixmap new_root_pixmap = get_pixmap_property (xa[XA_XROOTPMAP_ID]);
		1343	if (new_root_pixmap == None)
		1344	new_root_pixmap = get_pixmap_property (xa[XA_ESETROOT_PMAP_ID]);
		1345
		1346	root_pixmap = new_root_pixmap;
		1347	}
		1348	# endif /* ENABLE_TRANSPARENCY */
		1349
		1350	#if defined(ENABLE_TRANSPARENCY) && !defined(HAVE_AFTERIMAGE)
		1351	static void shade_ximage (Visual *visual, XImage *ximage, int shade, const rgba &c);
		1352	# endif
		1353
1099	bool	1354	bool
1100	bgPixmap_t::set_root_pixmap ()	1355	rxvt_term::bg_render ()
1101	{	1356	{
1102	Pixmap new_root_pixmap = target->get_pixmap_property (XA_XROOTPMAP_ID);	1357	unsigned long tr_flags = 0;
1103	if (new_root_pixmap == None)
1104	new_root_pixmap = target->get_pixmap_property (XA_ESETROOT_PMAP_ID);
1105		1358
1106	if (new_root_pixmap != root_pixmap)	1359	bg_invalidate ();
1107	{	1360	# ifdef ENABLE_TRANSPARENCY
1108	root_pixmap = new_root_pixmap;	1361	if (bg_flags & BG_IS_TRANSPARENT)
1109	return true;
1110	}	1362	{
1111		1363	/* we need to re-generate transparency pixmap in that case ! */
		1364	tr_flags = make_transparency_pixmap ();
		1365	if (tr_flags == 0)
1112	return false;	1366	return false;
1113	}	1367	else if (!(tr_flags & BG_EFFECTS_FLAGS))
1114	# endif /* ENABLE_TRANSPARENCY */	1368	bg_flags |= BG_IS_VALID;
1115		1369	}
1116	# ifndef HAVE_AFTERIMAGE
1117	static void ShadeXImage(rxvt_term *term, XImage *srcImage, int shade, int rm, int gm, int bm);
1118	# endif	1370	# endif
1119		1371
1120	bool	1372	# ifdef BG_IMAGE_FROM_FILE
1121	bgPixmap_t::render ()	1373	if ((bg_flags & BG_IS_FROM_FILE)
1122	{	1374	|| (tr_flags & BG_EFFECTS_FLAGS))
1123	unsigned long background_flags = 0;
1124
1125	if (target == NULL)
1126	return false;
1127
1128	TIMING_TEST_START (tp);
1129
1130	invalidate ();
1131	# ifdef ENABLE_TRANSPARENCY
1132	if (flags & isTransparent)
1133	{	1375	{
1134	/* we need to re-generate transparency pixmap in that case ! */	1376	if (render_image (tr_flags))
1135	background_flags = make_transparency_pixmap ();	1377	bg_flags |= BG_IS_VALID;
1136	if (background_flags == 0)
1137	return false;
1138	else if ((background_flags & transpTransformations) == (flags & transpTransformations)
1139	&& pmap_depth == target->depth)
1140	flags = flags & ~isInvalid;
1141	}	1378	}
1142	# endif	1379	# endif
1143		1380
		1381	# if defined(ENABLE_TRANSPARENCY) && !defined(HAVE_AFTERIMAGE)
1144	XImage *result = NULL;	1382	XImage *result = NULL;
1145	# ifdef HAVE_AFTERIMAGE	1383
1146	if (original_asim	1384	if (tr_flags && !(bg_flags & BG_IS_VALID))
1147	|| (background_flags & transpTransformations) != (flags & transpTransformations))	1385	{
		1386	result = XGetImage (dpy, bg_pixmap, 0, 0, bg_pmap_width, bg_pmap_height, AllPlanes, ZPixmap);
1148	{	1387	}
1149	target->init_asv ();
1150		1388
1151	ASImage *background = NULL;	1389	if (result)
1152	ARGB32 as_tint = TINT_LEAVE_SAME;	1390	{
1153	if (background_flags)	1391	/* our own client-side tinting */
1154	background = pixmap2ximage (target->asv, pixmap, 0, 0, pmap_width, pmap_height, AllPlanes, 100);	1392	if (tr_flags & BG_NEEDS_TINT)
1155
1156	# ifdef ENABLE_TRANSPARENCY
1157	if (!(background_flags & transpPmapTinted) && (flags & tintNeeded))
1158	{	1393	{
1159	ShadingInfo as_shade;
1160	as_shade.shading = (shade == 0) ? 100 : shade;
1161
1162	rgba c (rgba::MAX_CC,rgba::MAX_CC,rgba::MAX_CC);	1394	rgba c (rgba::MAX_CC,rgba::MAX_CC,rgba::MAX_CC);
1163	if (flags & tintSet)	1395	if (bg_flags & BG_TINT_SET)
1164	tint.get (c);	1396	tint.get (c);
1165	as_shade.tintColor.red = c.r;	1397	shade_ximage (DefaultVisual (dpy, display->screen), result, shade, c);
1166	as_shade.tintColor.green = c.g;
1167	as_shade.tintColor.blue = c.b;
1168
1169	as_tint = shading2tint32 (&as_shade);
1170	}
1171
1172	if (!(background_flags & transpPmapBlured) && (flags & blurNeeded) && background != NULL)
1173	{	1398	}
1174	ASImage *tmp = blur_asimage_gauss (target->asv, background, h_blurRadius, v_blurRadius, 0xFFFFFFFF,
1175	(original_asim == NULL || tint == TINT_LEAVE_SAME)?ASA_XImage:ASA_ASImage,
1176	100, ASIMAGE_QUALITY_DEFAULT);
1177	if (tmp)
1178	{
1179	destroy_asimage (&background);
1180	background = tmp;
1181	}
1182	}
1183	# endif
1184		1399
1185	if (render_asim (background, as_tint))
1186	flags = flags & ~isInvalid;
1187	if (background)
1188	destroy_asimage (&background);
1189	}
1190	else if (background_flags && pmap_depth != target->depth)
1191	result = XGetImage (target->dpy, pixmap, 0, 0, pmap_width, pmap_height, AllPlanes, ZPixmap);
1192
1193	# elif !XFT /* our own client-side tinting */
1194
1195	/* ATTENTION: We ASSUME that XFT will let us do all the tinting necessary server-side.
1196	This may need to be changed in need_client_side_rendering() logic is altered !!! */
1197
1198	if (background_flags && (flags & isInvalid))
1199	{
1200	result = XGetImage (target->dpy, pixmap, 0, 0, pmap_width, pmap_height, AllPlanes, ZPixmap);
1201
1202	if (result != NULL && !(background_flags & transpPmapTinted) && (flags & tintNeeded))
1203	{
1204	rgba c (rgba::MAX_CC,rgba::MAX_CC,rgba::MAX_CC);
1205	if (flags & tintSet)
1206	tint.get (c);
1207	ShadeXImage (target, result, shade, c.r, c.g, c.b);
1208	}
1209	}
1210	# endif /* HAVE_AFTERIMAGE */
1211
1212	if (result)
1213	{
1214	GC gc = XCreateGC (target->dpy, target->vt, 0UL, NULL);	1400	GC gc = XCreateGC (dpy, vt, 0UL, NULL);
1215		1401
1216	if (gc)	1402	if (gc)
1217	{	1403	{
1218	if (/*pmap_depth != target->depth &&*/ pixmap != None)
1219	{
1220	XFreePixmap (target->dpy, pixmap);
1221	pixmap = None;
1222	}
1223
1224	if (pixmap == None)
1225	{
1226	pixmap = XCreatePixmap (target->dpy, target->vt, result->width, result->height, target->depth);
1227	pmap_width = result->width;
1228	pmap_height = result->height;
1229	pmap_depth = target->depth;
1230	}
1231
1232	if (pmap_depth != result->depth)
1233	{
1234	/* Bad Match error will ensue ! stupid X !!!! */
1235	if (result->depth == 24 && pmap_depth == 32)
1236	result->depth = 32;
1237	else if (result->depth == 32 && pmap_depth == 24)
1238	result->depth = 24;
1239	else
1240	{
1241	/* TODO: implement image recoding */
1242	}
1243	}
1244
1245	if (pmap_depth == result->depth)
1246	XPutImage (target->dpy, pixmap, gc, result, 0, 0, 0, 0, result->width, result->height);	1404	XPutImage (dpy, bg_pixmap, gc, result, 0, 0, 0, 0, result->width, result->height);
1247		1405
1248	XFreeGC (target->dpy, gc);	1406	XFreeGC (dpy, gc);
1249	flags = flags & ~isInvalid;	1407	bg_flags |= BG_IS_VALID;
1250	}	1408	}
1251		1409
1252	XDestroyImage (result);	1410	XDestroyImage (result);
1253	}
1254
1255	if (flags & isInvalid)
1256	{	1411	}
		1412	# endif
		1413
		1414	if (!(bg_flags & BG_IS_VALID))
		1415	{
1257	if (pixmap != None)	1416	if (bg_pixmap != None)
1258	{	1417	{
1259	XFreePixmap (target->dpy, pixmap);	1418	XFreePixmap (dpy, bg_pixmap);
1260	pixmap = None;	1419	bg_pixmap = None;
1261	}	1420	}
1262	}	1421	}
1263		1422
1264	apply ();	1423	scr_recolour (false);
		1424	bg_flags |= BG_NEEDS_REFRESH;
1265		1425
1266	XSync (target->dpy, False);
1267	valid_since = ev::now ();	1426	bg_valid_since = ev::now ();
1268
1269	TIMING_TEST_PRINT_RESULT (tp);
1270		1427
1271	return true;	1428	return true;
1272	}	1429	}
1273		1430
1274	bool
1275	bgPixmap_t::set_target (rxvt_term *new_target)
1276	{
1277	if (new_target)
1278	if (target != new_target)
1279	{
1280	target = new_target;
1281	# ifdef ENABLE_TRANSPARENCY
1282	root_depth = DefaultDepthOfScreen (ScreenOfDisplay (target->dpy, target->display->screen));
1283	# endif
1284	return true;
1285	}
1286
1287	return false;
1288	}
1289
1290	void	1431	void
1291	bgPixmap_t::apply ()	1432	rxvt_term::bg_init ()
1292	{	1433	{
1293	if (target)
1294	{
1295	flags &= ~isVtOrigin;
1296
1297	if (pixmap != None)
1298	{
1299	/* set target's background to pixmap */
1300	# ifdef ENABLE_TRANSPARENCY	1434	#ifdef ENABLE_TRANSPARENCY
1301	if (flags & isTransparent)	1435	shade = 100;
1302	{
1303	XSetWindowBackgroundPixmap (target->dpy, target->parent[0], pixmap);
1304	XSetWindowBackgroundPixmap (target->dpy, target->vt, ParentRelative);
1305
1306	if (target->scrollBar.win)
1307	XSetWindowBackgroundPixmap (target->dpy, target->scrollBar.win, ParentRelative);
1308	}
1309	else
1310	# endif	1436	#endif
1311	{
1312	flags |= isVtOrigin;
1313	/* force old pixmap dereference in case it was transparent before :*/
1314	XSetWindowBackground (target->dpy, target->parent[0], target->pix_colors[Color_border]);
1315	XSetWindowBackgroundPixmap (target->dpy, target->vt, pixmap);
1316	/* do we also need to set scrollbar's background here ? */
1317		1437
1318	if (target->scrollBar.win)	1438	bg_flags &= ~(BG_HAS_RENDER | BG_HAS_RENDER_CONV);
1319	XSetWindowBackground (target->dpy, target->scrollBar.win, target->pix_colors[Color_border]);	1439	#if XRENDER
1320	}	1440	int major, minor;
1321	}	1441	if (XRenderQueryVersion (dpy, &major, &minor))
1322	else	1442	bg_flags |= BG_HAS_RENDER;
1323	{	1443	XFilters *filters = XRenderQueryFilters (dpy, vt);
1324	/* set target background to a pixel */	1444	if (filters)
1325	XSetWindowBackground (target->dpy, target->parent[0], target->pix_colors[Color_border]);
1326	XSetWindowBackground (target->dpy, target->vt, target->pix_colors[Color_bg]);
1327	/* do we also need to set scrollbar's background here ? */
1328	if (target->scrollBar.win)
1329	XSetWindowBackground (target->dpy, target->scrollBar.win, target->pix_colors[Color_border]);
1330	}
1331
1332	/* don't want Expose on the parent or vt. It is better to use
1333	scr_touch or we get a great deal of flicker otherwise: */
1334	XClearWindow (target->dpy, target->parent[0]);
1335
1336	if (target->scrollBar.state && target->scrollBar.win)
1337	{
1338	target->scrollBar.state = STATE_IDLE;
1339	target->scrollBar.show (0);
1340	}
1341
1342	target->want_refresh = 1;
1343	flags |= hasChanged;
1344	}	1445	{
		1446	for (int i = 0; i < filters->nfilter; i++)
		1447	if (!strcmp (filters->filter[i], FilterConvolution))
		1448	bg_flags |= BG_HAS_RENDER_CONV;
		1449
		1450	XFree (filters);
		1451	}
		1452	#endif
1345	}	1453	}
1346		1454
1347	#endif /* HAVE_BG_PIXMAP */	1455	#endif /* HAVE_BG_PIXMAP */
1348		1456
1349	#if defined(ENABLE_TRANSPARENCY) && !defined(HAVE_AFTERIMAGE) && !XFT	1457	#if defined(ENABLE_TRANSPARENCY) && !defined(HAVE_AFTERIMAGE)
1350	/* taken from aterm-0.4.2 */	1458	/* taken from aterm-0.4.2 */
1351		1459
1352	typedef uint32_t RUINT32T;
1353
1354	static void	1460	static void
1355	ShadeXImage(rxvt_term *term, XImage *srcImage, int shade, int rm, int gm, int bm)	1461	shade_ximage (Visual *visual, XImage *ximage, int shade, const rgba &c)
1356	{	1462	{
1357	int sh_r, sh_g, sh_b;	1463	int sh_r, sh_g, sh_b;
1358	RUINT32T mask_r, mask_g, mask_b;	1464	uint32_t mask_r, mask_g, mask_b;
1359	RUINT32T *lookup, *lookup_r, *lookup_g, *lookup_b;	1465	uint32_t *lookup, *lookup_r, *lookup_g, *lookup_b;
1360	unsigned int lower_lim_r, lower_lim_g, lower_lim_b;	1466	rgba low;
1361	unsigned int upper_lim_r, upper_lim_g, upper_lim_b;	1467	rgba high;
1362	int i;	1468	int i;
		1469	int host_byte_order = byteorder::big_endian () ? MSBFirst : LSBFirst;
1363		1470
1364	Visual *visual = term->visual;
1365
1366	if (visual->c_class != TrueColor || srcImage->format != ZPixmap) return ;	1471	if (visual->c_class != TrueColor || ximage->format != ZPixmap) return;
1367
1368	if (shade == 0)
1369	shade = 100;
1370		1472
1371	/* for convenience */	1473	/* for convenience */
1372	mask_r = visual->red_mask;	1474	mask_r = visual->red_mask;
1373	mask_g = visual->green_mask;	1475	mask_g = visual->green_mask;
1374	mask_b = visual->blue_mask;	1476	mask_b = visual->blue_mask;
1375		1477
1376	/* boring lookup table pre-initialization */	1478	/* boring lookup table pre-initialization */
1377	switch (srcImage->bits_per_pixel) {	1479	switch (ximage->depth)
		1480	{
1378	case 15:	1481	case 15:
1379	if ((mask_r != 0x7c00) ||	1482	if ((mask_r != 0x7c00) ||
1380	(mask_g != 0x03e0) ||	1483	(mask_g != 0x03e0) ||
1381	(mask_b != 0x001f))	1484	(mask_b != 0x001f))
1382	return;	1485	return;
1383	lookup = (RUINT32T *) malloc (sizeof (RUINT32T)*(32+32+32));	1486	lookup = (uint32_t *) malloc (sizeof (uint32_t)*(32+32+32));
1384	lookup_r = lookup;	1487	lookup_r = lookup;
1385	lookup_g = lookup+32;	1488	lookup_g = lookup+32;
1386	lookup_b = lookup+32+32;	1489	lookup_b = lookup+32+32;
1387	sh_r = 10;	1490	sh_r = 10;
1388	sh_g = 5;	1491	sh_g = 5;
1389	sh_b = 0;	1492	sh_b = 0;
1390	break;	1493	break;
1391	case 16:	1494	case 16:
1392	if ((mask_r != 0xf800) ||	1495	if ((mask_r != 0xf800) ||
1393	(mask_g != 0x07e0) ||	1496	(mask_g != 0x07e0) ||
1394	(mask_b != 0x001f))	1497	(mask_b != 0x001f))
1395	return;	1498	return;
1396	lookup = (RUINT32T *) malloc (sizeof (RUINT32T)*(32+64+32));	1499	lookup = (uint32_t *) malloc (sizeof (uint32_t)*(32+64+32));
1397	lookup_r = lookup;	1500	lookup_r = lookup;
1398	lookup_g = lookup+32;	1501	lookup_g = lookup+32;
1399	lookup_b = lookup+32+64;	1502	lookup_b = lookup+32+64;
1400	sh_r = 11;	1503	sh_r = 11;
1401	sh_g = 5;	1504	sh_g = 5;
1402	sh_b = 0;	1505	sh_b = 0;
1403	break;	1506	break;
1404	case 24:	1507	case 24:
1405	if ((mask_r != 0xff0000) ||	1508	if ((mask_r != 0xff0000) ||
1406	(mask_g != 0x00ff00) ||	1509	(mask_g != 0x00ff00) ||
1407	(mask_b != 0x0000ff))	1510	(mask_b != 0x0000ff))
1408	return;	1511	return;
1409	lookup = (RUINT32T *) malloc (sizeof (RUINT32T)*(256+256+256));	1512	lookup = (uint32_t *) malloc (sizeof (uint32_t)*(256+256+256));
1410	lookup_r = lookup;	1513	lookup_r = lookup;
1411	lookup_g = lookup+256;	1514	lookup_g = lookup+256;
1412	lookup_b = lookup+256+256;	1515	lookup_b = lookup+256+256;
1413	sh_r = 16;	1516	sh_r = 16;
1414	sh_g = 8;	1517	sh_g = 8;
1415	sh_b = 0;	1518	sh_b = 0;
1416	break;	1519	break;
1417	case 32:	1520	case 32:
1418	if ((mask_r != 0xff0000) ||	1521	if ((mask_r != 0xff0000) ||
1419	(mask_g != 0x00ff00) ||	1522	(mask_g != 0x00ff00) ||
1420	(mask_b != 0x0000ff))	1523	(mask_b != 0x0000ff))
1421	return;	1524	return;
1422	lookup = (RUINT32T *) malloc (sizeof (RUINT32T)*(256+256+256));	1525	lookup = (uint32_t *) malloc (sizeof (uint32_t)*(256+256+256));
1423	lookup_r = lookup;	1526	lookup_r = lookup;
1424	lookup_g = lookup+256;	1527	lookup_g = lookup+256;
1425	lookup_b = lookup+256+256;	1528	lookup_b = lookup+256+256;
1426	sh_r = 16;	1529	sh_r = 16;
1427	sh_g = 8;	1530	sh_g = 8;
1428	sh_b = 0;	1531	sh_b = 0;
1429	break;	1532	break;
1430	default:	1533	default:
1431	return; /* we do not support this color depth */	1534	return; /* we do not support this color depth */
1432	}	1535	}
1433		1536
1434	/* prepare limits for color transformation (each channel is handled separately) */	1537	/* prepare limits for color transformation (each channel is handled separately) */
1435	if (shade < 0) {	1538	if (shade > 100)
		1539	{
1436	shade = -shade;	1540	shade = 200 - shade;
1437	if (shade < 0) shade = 0;
1438	if (shade > 100) shade = 100;
1439		1541
1440	lower_lim_r = 65535-rm;	1542	high.r = c.r * shade / 100;
1441	lower_lim_g = 65535-gm;	1543	high.g = c.g * shade / 100;
1442	lower_lim_b = 65535-bm;	1544	high.b = c.b * shade / 100;
1443		1545
1444	lower_lim_r = 65535-(unsigned int)(((RUINT32T)lower_lim_r)*((RUINT32T)shade)/100);	1546	low.r = 65535 * (100 - shade) / 100;
1445	lower_lim_g = 65535-(unsigned int)(((RUINT32T)lower_lim_g)*((RUINT32T)shade)/100);	1547	low.g = 65535 * (100 - shade) / 100;
1446	lower_lim_b = 65535-(unsigned int)(((RUINT32T)lower_lim_b)*((RUINT32T)shade)/100);	1548	low.b = 65535 * (100 - shade) / 100;
1447
1448	upper_lim_r = upper_lim_g = upper_lim_b = 65535;
1449	} else {
1450	if (shade < 0) shade = 0;
1451	if (shade > 100) shade = 100;
1452
1453	lower_lim_r = lower_lim_g = lower_lim_b = 0;
1454
1455	upper_lim_r = (unsigned int)((((RUINT32T)rm)*((RUINT32T)shade))/100);
1456	upper_lim_g = (unsigned int)((((RUINT32T)gm)*((RUINT32T)shade))/100);
1457	upper_lim_b = (unsigned int)((((RUINT32T)bm)*((RUINT32T)shade))/100);
1458	}	1549	}
1459		1550	else
1460	/* switch red and blue bytes if necessary, we need it for some weird XServers like XFree86 3.3.3.1 */
1461	if ((srcImage->bits_per_pixel == 24) && (mask_r >= 0xFF0000 ))
1462	{	1551	{
1463	unsigned int tmp;	1552	high.r = c.r * shade / 100;
		1553	high.g = c.g * shade / 100;
		1554	high.b = c.b * shade / 100;
1464		1555
1465	tmp = lower_lim_r;	1556	low.r = low.g = low.b = 0;
1466	lower_lim_r = lower_lim_b;
1467	lower_lim_b = tmp;
1468
1469	tmp = upper_lim_r;
1470	upper_lim_r = upper_lim_b;
1471	upper_lim_b = tmp;
1472	}	1557	}
1473		1558
1474	/* fill our lookup tables */	1559	/* fill our lookup tables */
1475	for (i = 0; i <= mask_r>>sh_r; i++)	1560	for (i = 0; i <= mask_r>>sh_r; i++)
1476	{	1561	{
1477	RUINT32T tmp;	1562	uint32_t tmp;
1478	tmp = ((RUINT32T)i)*((RUINT32T)(upper_lim_r-lower_lim_r));	1563	tmp = i * high.r;
1479	tmp += ((RUINT32T)(mask_r>>sh_r))*((RUINT32T)lower_lim_r);	1564	tmp += (mask_r>>sh_r) * low.r;
1480	lookup_r[i] = (tmp/65535)<<sh_r;	1565	lookup_r[i] = (tmp/65535)<<sh_r;
1481	}	1566	}
1482	for (i = 0; i <= mask_g>>sh_g; i++)	1567	for (i = 0; i <= mask_g>>sh_g; i++)
1483	{	1568	{
1484	RUINT32T tmp;	1569	uint32_t tmp;
1485	tmp = ((RUINT32T)i)*((RUINT32T)(upper_lim_g-lower_lim_g));	1570	tmp = i * high.g;
1486	tmp += ((RUINT32T)(mask_g>>sh_g))*((RUINT32T)lower_lim_g);	1571	tmp += (mask_g>>sh_g) * low.g;
1487	lookup_g[i] = (tmp/65535)<<sh_g;	1572	lookup_g[i] = (tmp/65535)<<sh_g;
1488	}	1573	}
1489	for (i = 0; i <= mask_b>>sh_b; i++)	1574	for (i = 0; i <= mask_b>>sh_b; i++)
1490	{	1575	{
1491	RUINT32T tmp;	1576	uint32_t tmp;
1492	tmp = ((RUINT32T)i)*((RUINT32T)(upper_lim_b-lower_lim_b));	1577	tmp = i * high.b;
1493	tmp += ((RUINT32T)(mask_b>>sh_b))*((RUINT32T)lower_lim_b);	1578	tmp += (mask_b>>sh_b) * low.b;
1494	lookup_b[i] = (tmp/65535)<<sh_b;	1579	lookup_b[i] = (tmp/65535)<<sh_b;
1495	}	1580	}
1496		1581
1497	/* apply table to input image (replacing colors by newly calculated ones) */	1582	/* apply table to input image (replacing colors by newly calculated ones) */
1498	switch (srcImage->bits_per_pixel)	1583	if (ximage->bits_per_pixel == 32
		1584	&& (ximage->depth == 24 || ximage->depth == 32)
		1585	&& ximage->byte_order == host_byte_order)
1499	{	1586	{
1500	case 15:
1501	{
1502	unsigned short *p1, *pf, *p, *pl;	1587	uint32_t *p1, *pf, *p, *pl;
1503	p1 = (unsigned short *) srcImage->data;	1588	p1 = (uint32_t *) ximage->data;
1504	pf = (unsigned short *) (srcImage->data + srcImage->height * srcImage->bytes_per_line);	1589	pf = (uint32_t *) (ximage->data + ximage->height * ximage->bytes_per_line);
		1590
1505	while (p1 < pf)	1591	while (p1 < pf)
1506	{	1592	{
1507	p = p1;	1593	p = p1;
1508	pl = p1 + srcImage->width;	1594	pl = p1 + ximage->width;
1509	for (; p < pl; p++)	1595	for (; p < pl; p++)
1510	{	1596	{
1511	*p = lookup_r[(*p & 0x7c00)>>10] |
1512	lookup_g[(*p & 0x03e0)>> 5] |
1513	lookup_b[(*p & 0x001f)];
1514	}
1515	p1 = (unsigned short *) ((char *) p1 + srcImage->bytes_per_line);
1516	}
1517	break;
1518	}
1519	case 16:
1520	{
1521	unsigned short *p1, *pf, *p, *pl;
1522	p1 = (unsigned short *) srcImage->data;
1523	pf = (unsigned short *) (srcImage->data + srcImage->height * srcImage->bytes_per_line);
1524	while (p1 < pf)
1525	{
1526	p = p1;
1527	pl = p1 + srcImage->width;
1528	for (; p < pl; p++)
1529	{
1530	*p = lookup_r[(*p & 0xf800)>>11] |
1531	lookup_g[(*p & 0x07e0)>> 5] |
1532	lookup_b[(*p & 0x001f)];
1533	}
1534	p1 = (unsigned short *) ((char *) p1 + srcImage->bytes_per_line);
1535	}
1536	break;
1537	}
1538	case 24:
1539	{
1540	unsigned char *p1, *pf, *p, *pl;
1541	p1 = (unsigned char *) srcImage->data;
1542	pf = (unsigned char *) (srcImage->data + srcImage->height * srcImage->bytes_per_line);
1543	while (p1 < pf)
1544	{
1545	p = p1;
1546	pl = p1 + srcImage->width * 3;
1547	for (; p < pl; p += 3)
1548	{
1549	p[0] = lookup_r[(p[0] & 0xff0000)>>16];
1550	p[1] = lookup_r[(p[1] & 0x00ff00)>> 8];
1551	p[2] = lookup_r[(p[2] & 0x0000ff)];
1552	}
1553	p1 = (unsigned char *) ((char *) p1 + srcImage->bytes_per_line);
1554	}
1555	break;
1556	}
1557	case 32:
1558	{
1559	RUINT32T *p1, *pf, *p, *pl;
1560	p1 = (RUINT32T *) srcImage->data;
1561	pf = (RUINT32T *) (srcImage->data + srcImage->height * srcImage->bytes_per_line);
1562
1563	while (p1 < pf)
1564	{
1565	p = p1;
1566	pl = p1 + srcImage->width;
1567	for (; p < pl; p++)
1568	{
1569	*p = lookup_r[(*p & 0xff0000)>>16] |	1597	*p = lookup_r[(*p & 0xff0000) >> 16] |
1570	lookup_g[(*p & 0x00ff00)>> 8] |	1598	lookup_g[(*p & 0x00ff00) >> 8] |
1571	lookup_b[(*p & 0x0000ff)] |	1599	lookup_b[(*p & 0x0000ff)] |
1572	(*p & ~0xffffff);	1600	(*p & 0xff000000);
		1601	}
		1602	p1 = (uint32_t *) ((char *) p1 + ximage->bytes_per_line);
		1603	}
		1604	}
		1605	else
		1606	{
		1607	for (int y = 0; y < ximage->height; y++)
		1608	for (int x = 0; x < ximage->width; x++)
		1609	{
		1610	unsigned long pixel = XGetPixel (ximage, x, y);
		1611	pixel = lookup_r[(pixel & mask_r) >> sh_r] |
		1612	lookup_g[(pixel & mask_g) >> sh_g] |
		1613	lookup_b[(pixel & mask_b) >> sh_b];
		1614	XPutPixel (ximage, x, y, pixel);
1573	}	1615	}
1574	p1 = (RUINT32T *) ((char *) p1 + srcImage->bytes_per_line);
1575	}	1616	}
1576	break;
1577	}
1578	}
1579		1617
1580	free (lookup);	1618	free (lookup);
1581	}	1619	}
1582	#endif /* defined(ENABLE_TRANSPARENCY) && !defined(HAVE_AFTERIMAGE) */	1620	#endif /* defined(ENABLE_TRANSPARENCY) && !defined(HAVE_AFTERIMAGE) */

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