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Comparing rxvt-unicode/src/background.C (file contents):
Revision 1.24 by ayin, Mon Jan 7 12:41:31 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	#ifdef HAVE_AFTERIMAGE
93	original_asim = NULL;
94	#endif
95	#ifdef BG_IMAGE_FROM_FILE
96	h_scale = v_scale = 0;
97	h_align = v_align = 0;
98	#endif
99	flags = 0;
100	pixmap = None;
101	valid_since = invalid_since = 0;
102	}
103
104	void	64	void
105	bgPixmap_t::destroy ()	65	rxvt_term::bg_destroy ()
106	{	66	{
107	#ifdef HAVE_AFTERIMAGE	67	#ifdef HAVE_AFTERIMAGE
108	if (original_asim)	68	if (original_asim)
109	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);
110	#endif	74	#endif
111		75
112	if (pixmap && target)	76	#ifdef HAVE_PIXBUF
		77	if (pixbuf)
		78	g_object_unref (pixbuf);
		79	#endif
		80
		81	if (bg_pixmap)
113	XFreePixmap (target->dpy, pixmap);	82	XFreePixmap (dpy, bg_pixmap);
114	}	83	}
115		84
116	bool	85	bool
117	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 ()
118	{	101	{
119	# ifdef ENABLE_TRANSPARENCY	102	# ifdef ENABLE_TRANSPARENCY
120	if (flags & isTransparent)	103	if (bg_flags & BG_IS_TRANSPARENT)
121	return true;	104	return true;
122	# endif	105	# endif
123		106
124	# ifdef BG_IMAGE_FROM_FILE	107	# ifdef BG_IMAGE_FROM_FILE
125	# ifdef HAVE_AFTERIMAGE	108	if (bg_flags & BG_IS_FROM_FILE)
126	if (original_asim != NULL)
127	# endif
128	{	109	{
129	if (h_scale != 0 || v_scale != 0	110	if (bg_flags & BG_IS_SIZE_SENSITIVE)
130	|| h_align != 0 || v_align != 0)
131	return true;	111	return true;
132	}	112	}
133	# endif	113	# endif
134		114
135	return false;	115	return false;
136	}	116	}
137		117
138	bool	118	bool
139	bgPixmap_t::window_position_sensitive ()	119	rxvt_term::bg_window_position_sensitive ()
140	{	120	{
141	# ifdef ENABLE_TRANSPARENCY	121	# ifdef ENABLE_TRANSPARENCY
142	if (flags & isTransparent)	122	if (bg_flags & BG_IS_TRANSPARENT)
143	return true;	123	return true;
144	# endif	124	# endif
145		125
146	# ifdef BG_IMAGE_FROM_FILE	126	# ifdef BG_IMAGE_FROM_FILE
147	# ifdef HAVE_AFTERIMAGE	127	if (bg_flags & BG_IS_FROM_FILE)
148	if (original_asim != NULL)
149	# endif
150	{	128	{
151	if (h_align == rootAlign || v_align == rootAlign)	129	if (bg_flags & BG_ROOT_ALIGN)
152	return true;	130	return true;
153	}	131	}
154	# endif	132	# endif
155		133
156	return false;
157	};
158
159	bool bgPixmap_t::need_client_side_rendering ()
160	{
161	# ifdef HAVE_AFTERIMAGE
162	if (original_asim != NULL)
163	return true;
164	# endif
165	# ifdef ENABLE_TRANSPARENCY
166	if (flags & isTransparent)
167	{
168	# ifdef HAVE_AFTERIMAGE // can't blur without libAI anyways
169	if ((flags & blurNeeded) && !(flags & blurServerSide))
170	return true;
171	# endif
172	if ((flags & tintNeeded) && !(flags & tintServerSide))
173	return true;
174	}
175	# endif
176	return false;	134	return false;
177	}	135	}
178		136
179	# ifdef BG_IMAGE_FROM_FILE	137	# ifdef BG_IMAGE_FROM_FILE
180	static inline bool	138	static inline bool
…		…
196	static inline bool	154	static inline bool
197	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)
198	{	156	{
199	if (geom_flags & flag)	157	if (geom_flags & flag)
200	{	158	{
201	if (new_value != bgPixmap_t::rootAlign)
202	{
203	if (new_value < -100)	159	if (new_value < -100)
204	new_value = -100;	160	new_value = -100;
205	else if (new_value > 200)	161	else if (new_value > 200)
206	new_value = 200;	162	new_value = 200;
207	}
208	if (new_value != align)	163	if (new_value != align)
209	{	164	{
210	align = new_value;	165	align = new_value;
211	return true;	166	return true;
212	}	167	}
…		…
216		171
217	static inline int	172	static inline int
218	make_align_position (int align, int window_size, int image_size)	173	make_align_position (int align, int window_size, int image_size)
219	{	174	{
220	int diff = window_size - image_size;	175	int diff = window_size - image_size;
221	int smaller = MIN (image_size,window_size);	176	int smaller = min (image_size, window_size);
222		177
223	if (align >= 0 && align <= 50)	178	if (align >= 0 && align <= 100)
224	return diff * align / 100;	179	return diff * align / 100;
225	else if (align > 50 && align <= 100)
226	return window_size - image_size - diff * (100 - align) / 100;
227	else if (align > 100 && align <= 200 )	180	else if (align > 100 && align <= 200)
228	return ((align - 100) * smaller / 100) + window_size - smaller;	181	return ((align - 100) * smaller / 100) + window_size - smaller;
229	else if (align > -100 && align < 0)	182	else if (align >= -100 && align < 0)
230	return ((align + 100) * smaller / 100) - image_size;	183	return ((align + 100) * smaller / 100) - image_size;
231	return 0;	184	return 0;
232	}	185	}
233		186
234	static inline int	187	static inline int
235	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)
236	{	189	{
237	int src_pos = 0;	190	int src_pos = 0;
238	dst_pos = 0;	191	dst_pos = pos;
239	dst_size = size;	192	dst_size = size;
240	if (pos < 0 && size > target_size)	193	if (pos < 0)
241	{	194	{
242	src_pos = -pos;	195	src_pos = -pos;
		196	dst_pos = 0;
243	dst_size += pos;	197	dst_size += pos;
244	}	198	}
245	else if (pos > 0)
246	dst_pos = pos;
247		199
248	if (dst_pos + dst_size > target_size)	200	if (dst_pos + dst_size > target_size)
249	dst_size = target_size - dst_pos;	201	dst_size = target_size - dst_pos;
250	return src_pos;	202	return src_pos;
251	}	203	}
252		204
253	bool	205	bool
254	bgPixmap_t::set_geometry (const char *geom)	206	rxvt_term::bg_set_geometry (const char *geom, bool update)
255	{	207	{
		208	bool changed = false;
256	int geom_flags = 0, changed = 0;	209	int geom_flags = 0;
257	int x = 0, y = 0;	210	int x = 0, y = 0;
258	unsigned int w = 0, h = 0;	211	unsigned int w = 0, h = 0;
259	unsigned int n;	212	unsigned int n;
260	unsigned long new_flags = (flags & (~geometryFlags));	213	unsigned long new_flags = (bg_flags & (~BG_GEOMETRY_FLAGS));
261	char *p;	214	const char *ops;
262	# define MAXLEN_GEOM 256 /* could be longer than regular geometry string */
263		215
264	if (geom == NULL)	216	if (geom == NULL)
265	return false;	217	return false;
266		218
267	char str[MAXLEN_GEOM];	219	char str[256];
268		220
269	while (isspace(*geom)) ++geom;
270	if ((p = strchr (geom, ';')) == NULL)
271	p = strchr (geom, '\0');	221	ops = strchr (geom, ':');
272		222	if (ops == NULL)
		223	n = strlen (geom);
		224	else
273	n = (p - geom);	225	n = ops - geom;
274	if (n < MAXLEN_GEOM)
275	{
276	char *ops;
277	new_flags |= geometrySet;
278		226
		227	if (n >= sizeof (str))
		228	return false;
		229
279	memcpy (str, geom, n);	230	memcpy (str, geom, n);
280	str[n] = '\0';	231	str[n] = '\0';
281	if (str[0] == ':')	232	rxvt_strtrim (str);
282	ops = &str[0];
283	else if (str[0] != 'x' && str[0] != 'X' && isalpha(str[0]))
284	ops = &str[0];
285	else
286	{
287	char *tmp;
288	ops = strchr (str, ':');
289	if (ops != NULL)
290	{
291	for (tmp = ops-1; tmp >= str && isspace(*tmp); --tmp);
292	*(++tmp) = '\0';
293	if (ops == tmp) ++ops;
294	}
295	}
296		233
297	if (ops > str || ops == NULL)	234	if (str[0])
298	{	235	{
299	/* 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 */
300	geom_flags = XParseGeometry (str, &x, &y, &w, &h);	237	geom_flags = XParseGeometry (str, &x, &y, &w, &h);
301
302	if ((geom_flags & XValue) && !(geom_flags & YValue))
303	{
304	y = x;
305	geom_flags |= YValue;
306	}
307
308	if (flags & geometrySet)
309	{
310	/* new geometry is an adjustment to the old one ! */
311	if ((geom_flags & WidthValue) && (geom_flags & HeightValue))
312	{
313	if (w == 0 && h != 0)
314	{
315	w = h_scale;
316	h = (v_scale * h) / 100;
317	}
318	else if (h == 0 && w != 0)
319	{
320	w = (h_scale * w) / 100;
321	h = v_scale;
322	}
323	}
324	if (geom_flags & XValue)
325	{
326	if (str[0] != '=')
327	{
328	y += v_align;
329	x += h_align;
330	}
331	}
332	}
333	else /* setting up geometry from scratch */
334	{
335	if (!(geom_flags & XValue))
336	{
337	/* use default geometry - centered */
338	x = y = defaultAlign;
339	}
340	else if (!(geom_flags & YValue))
341	y = x;
342
343	if ((geom_flags & (WidthValue|HeightValue)) == 0)
344	{
345	/* use default geometry - scaled */
346	w = h = defaultScale;
347	}
348	else if (geom_flags & WidthValue)
349	{
350	if (!(geom_flags & HeightValue))
351	h = w;
352	}
353	else
354	w = h;
355	}
356	} /* done parsing geometry string */	238	} /* done parsing geometry string */
357	else if (!(flags & geometrySet))	239
358	{	240	if (!update)
359	/* default geometry - scaled and centered */	241	{
		242	if (!(geom_flags & XValue))
360	x = y = defaultAlign;	243	x = y = defaultAlign;
		244	else if (!(geom_flags & YValue))
		245	y = x;
		246
		247	if (!(geom_flags & (WidthValue|HeightValue)))
361	w = h = defaultScale;	248	w = h = defaultScale;
362	}	249	else if (!(geom_flags & HeightValue))
		250	h = w;
		251	else if (!(geom_flags & WidthValue))
		252	w = h;
363		253
364	if (!(flags & geometrySet))
365	geom_flags |= WidthValue|HeightValue|XValue|YValue;	254	geom_flags |= WidthValue|HeightValue|XValue|YValue;
		255	}
366		256
367	if (ops)	257	if (ops)
368	{	258	{
369	while (*ops)	259	char **arr = rxvt_strsplit (':', ops + 1);
		260
		261	for (int i = 0; arr[i]; i++)
370	{	262	{
371	while (*ops == ':' || isspace(*ops)) ++ops;	263	if (!strcasecmp (arr[i], "tile"))
372	# define CHECK_GEOM_OPS(op_str) (strncasecmp (ops, (op_str), sizeof(op_str)-1) == 0)
373	if (CHECK_GEOM_OPS("tile"))
374	{	264	{
375	w = h = noScale;	265	w = h = noScale;
376	geom_flags |= WidthValue|HeightValue;	266	geom_flags |= WidthValue|HeightValue;
377	}	267	}
378	else if (CHECK_GEOM_OPS("propscale"))	268	else if (!strcasecmp (arr[i], "propscale"))
379	{	269	{
380	if (w == 0 && h == 0)	270	new_flags |= BG_PROP_SCALE;
381	{
382	w = windowScale;
383	geom_flags |= WidthValue;
384	}
385	new_flags |= propScale;
386	}	271	}
387	else if (CHECK_GEOM_OPS("hscale"))	272	else if (!strcasecmp (arr[i], "hscale"))
388	{	273	{
389	if (w == 0)
390	w = windowScale;	274	if (w == 0) w = windowScale;
		275
391	h = noScale;	276	h = noScale;
392	geom_flags |= WidthValue|HeightValue;	277	geom_flags |= WidthValue|HeightValue;
393	}	278	}
394	else if (CHECK_GEOM_OPS("vscale"))	279	else if (!strcasecmp (arr[i], "vscale"))
395	{	280	{
396	if (h == 0)
397	h = windowScale;	281	if (h == 0) h = windowScale;
		282
398	w = noScale;	283	w = noScale;
399	geom_flags |= WidthValue|HeightValue;	284	geom_flags |= WidthValue|HeightValue;
400	}	285	}
401	else if (CHECK_GEOM_OPS("scale"))	286	else if (!strcasecmp (arr[i], "scale"))
402	{	287	{
403	if (h == 0)
404	h = windowScale;	288	if (h == 0) h = windowScale;
405	if (w == 0)
406	w = windowScale;	289	if (w == 0) w = windowScale;
		290
407	geom_flags |= WidthValue|HeightValue;	291	geom_flags |= WidthValue|HeightValue;
408	}	292	}
409	else if (CHECK_GEOM_OPS("auto"))	293	else if (!strcasecmp (arr[i], "auto"))
410	{	294	{
411	w = h = windowScale;	295	w = h = windowScale;
412	x = y = centerAlign;	296	x = y = centerAlign;
413	geom_flags |= WidthValue|HeightValue|XValue|YValue;	297	geom_flags |= WidthValue|HeightValue|XValue|YValue;
414	}	298	}
415	else if (CHECK_GEOM_OPS("root"))	299	else if (!strcasecmp (arr[i], "root"))
416	{	300	{
		301	new_flags |= BG_ROOT_ALIGN;
417	w = h = noScale;	302	w = h = noScale;
418	x = y = rootAlign;
419	geom_flags |= WidthValue|HeightValue|XValue|YValue;	303	geom_flags |= WidthValue|HeightValue;
420	}	304	}
421	# undef CHECK_GEOM_OPS
422	while (*ops != ':' && *ops != '\0') ++ops;
423	} /* done parsing ops */	305	} /* done parsing ops */
424	}
425		306
		307	rxvt_free_strsplit (arr);
		308	}
		309
426	if (check_set_scale_value (geom_flags, WidthValue, h_scale, w))	310	if (check_set_scale_value (geom_flags, WidthValue, h_scale, w)) changed = true;
427	++changed;
428	if (check_set_scale_value (geom_flags, HeightValue, v_scale, h))	311	if (check_set_scale_value (geom_flags, HeightValue, v_scale, h)) changed = true;
429	++changed;
430	if (check_set_align_value (geom_flags, XValue, h_align, x))	312	if (check_set_align_value (geom_flags, XValue, h_align, x)) changed = true;
431	++changed;
432	if (check_set_align_value (geom_flags, YValue, v_align, y))	313	if (check_set_align_value (geom_flags, YValue, v_align, y)) changed = true;
433	++changed;
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	//fprintf (stderr, "flags = %lX, scale = %ux%u, align=%+d%+d\n",	320
442	// flags, h_scale, v_scale, h_align, v_align);
443	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;
444	}	362	}
445		363
446	# ifdef HAVE_AFTERIMAGE	364	# ifdef HAVE_AFTERIMAGE
447	bool	365	bool
448	bgPixmap_t::render_asim (ASImage *background, ARGB32 background_tint)	366	rxvt_term::render_image (unsigned long tr_flags)
449	{	367	{
450	if (target == NULL)	368	init_asv ();
451	return false;
452		369
453	int target_width = (int)target->szHint.width;	370	ASImage *background = NULL;
454	int target_height = (int)target->szHint.height;	371	ARGB32 background_tint = TINT_LEAVE_SAME;
455	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
456	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;
457		411
458	int x = 0;	412	int x = 0;
459	int y = 0;	413	int y = 0;
460	int w = h_scale * target_width / 100;	414	int w = 0;
461	int h = v_scale * target_height / 100;	415	int h = 0;
462
463	TIMING_TEST_START (asim);
464		416
465	if (original_asim)	417	if (original_asim)
466	{	418	get_image_geometry (original_asim->width, original_asim->height, w, h, x, y);
467	if (h_align == rootAlign || v_align == rootAlign)
468	{
469	target->get_window_origin(x, y);
470	x = -x;
471	y = -y;
472	}
473	if (h_align != rootAlign)
474	x = make_align_position (h_align, target_width, w > 0 ? w : (int)original_asim->width);
475	if (v_align != rootAlign)
476	y = make_align_position (v_align, target_height, h > 0 ? h : (int)original_asim->height);
477	}
478		419
479	if (original_asim == NULL	420	if (!original_asim
		421	|| (!(bg_flags & BG_ROOT_ALIGN)
480	|| x >= target_width	422	&& (x >= target_width
481	|| y >= target_height	423	|| y >= target_height
482	|| (w > 0 && x + w <= 0)	424	|| (x + w <= 0)
483	|| (h > 0 && y + h <= 0))	425	|| (y + h <= 0))))
484	{	426	{
485	if (background)	427	if (background)
486	{	428	{
487	new_pmap_width = background->width;	429	new_pmap_width = background->width;
488	new_pmap_height = background->height;	430	new_pmap_height = background->height;
489	result = background;	431	result = background;
		432
490	if (background_tint != TINT_LEAVE_SAME)	433	if (background_tint != TINT_LEAVE_SAME)
491	{	434	{
492	ASImage* tmp = tile_asimage (target->asv, background, 0, 0,	435	ASImage *tmp = tile_asimage (asv, background, 0, 0,
493	target_width, target_height, background_tint,	436	target_width, target_height, background_tint,
494	ASA_XImage, 100, ASIMAGE_QUALITY_DEFAULT);	437	ASA_XImage, 100, ASIMAGE_QUALITY_DEFAULT);
495	if (tmp)	438	if (tmp)
496	result = tmp;	439	result = tmp;
497	}	440	}
…		…
500	new_pmap_width = new_pmap_height = 0;	443	new_pmap_width = new_pmap_height = 0;
501	}	444	}
502	else	445	else
503	{	446	{
504	result = original_asim;	447	result = original_asim;
		448
505	if ((w > 0 && w != original_asim->width)	449	if ((w != original_asim->width)
506	|| (h > 0 && h != original_asim->height))	450	|| (h != original_asim->height))
507	{	451	{
508	result = scale_asimage (target->asv, original_asim,	452	result = scale_asimage (asv, original_asim,
509	w > 0 ? w : original_asim->width,	453	w, h,
510	h > 0 ? h : original_asim->height,
511	background ? ASA_ASImage : ASA_XImage,	454	background ? ASA_ASImage : ASA_XImage,
512	100, ASIMAGE_QUALITY_DEFAULT);	455	100, ASIMAGE_QUALITY_DEFAULT);
513	}	456	}
		457
514	if (background == NULL)	458	if (background == NULL)
515	{	459	{
516	/* if tiling - pixmap has to be sized exactly as the image,
517	but there is no need to make it bigger than the window! */
518	if (h_scale == 0)
519	new_pmap_width = min (result->width, target_width);
520	if (v_scale == 0)
521	new_pmap_height = min (result->height, target_height);
522	/* we also need to tile our image in one or both directions */
523	if (h_scale == 0 || v_scale == 0)	460	if (h_scale == 0 || v_scale == 0)
524	{	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 */
525	ASImage *tmp = tile_asimage (target->asv, result,	468	ASImage *tmp = tile_asimage (asv, result,
526	(h_scale > 0) ? 0 : (int)result->width - x,	469	(int)result->width - x,
527	(v_scale > 0) ? 0 : (int)result->height - y,	470	(int)result->height - y,
528	new_pmap_width,	471	new_pmap_width,
529	new_pmap_height,	472	new_pmap_height,
530	TINT_LEAVE_SAME, ASA_XImage,	473	TINT_LEAVE_SAME, ASA_XImage,
531	100, ASIMAGE_QUALITY_DEFAULT);	474	100, ASIMAGE_QUALITY_DEFAULT);
532	if (tmp)	475	if (tmp)
533	{	476	{
534	if (result != original_asim)	477	if (result != original_asim)
535	destroy_asimage (&result);	478	destroy_asimage (&result);
		479
536	result = tmp;	480	result = tmp;
537	}	481	}
538	}	482	}
539	}	483	}
540	else	484	else
541	{	485	{
542	/* 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 */
543	ASImageLayer *layers = create_image_layers (2);	487	ASImageLayer *layers = create_image_layers (2);
544	ASImage *merged_im = NULL;
545		488
546	layers[0].im = background;	489	layers[0].im = background;
547	layers[0].clip_width = target_width;	490	layers[0].clip_width = target_width;
548	layers[0].clip_height = target_height;	491	layers[0].clip_height = target_height;
549	layers[0].tint = background_tint;	492	layers[0].tint = background_tint;
550	layers[1].im = result;	493	layers[1].im = result;
551	if (w <= 0)	494
		495	if (h_scale == 0 || v_scale == 0)
552	{	496	{
553	/* tile horizontally */	497	/* tile horizontally */
554	while (x > 0) x -= (int)result->width;	498	while (x > 0) x -= (int)result->width;
555	layers[1].dst_x = x;	499	layers[1].dst_x = x;
556	layers[1].clip_width = result->width+target_width;	500	layers[1].clip_width = result->width+target_width;
…		…
559	{	503	{
560	/* clip horizontally */	504	/* clip horizontally */
561	layers[1].dst_x = x;	505	layers[1].dst_x = x;
562	layers[1].clip_width = result->width;	506	layers[1].clip_width = result->width;
563	}	507	}
564	if (h <= 0)	508
		509	if (h_scale == 0 || v_scale == 0)
565	{	510	{
566	while (y > 0) y -= (int)result->height;	511	while (y > 0) y -= (int)result->height;
567	layers[1].dst_y = y;	512	layers[1].dst_y = y;
568	layers[1].clip_height = result->height + target_height;	513	layers[1].clip_height = result->height + target_height;
569	}	514	}
570	else	515	else
571	{	516	{
572	layers[1].dst_y = y;	517	layers[1].dst_y = y;
573	layers[1].clip_height = result->height;	518	layers[1].clip_height = result->height;
574	}	519	}
		520
575	if (target->rs[Rs_blendtype])	521	if (rs[Rs_blendtype])
576	{	522	{
577	layers[1].merge_scanlines = blend_scanlines_name2func (target->rs[Rs_blendtype]);	523	layers[1].merge_scanlines = blend_scanlines_name2func (rs[Rs_blendtype]);
578	if (layers[1].merge_scanlines == NULL)	524	if (layers[1].merge_scanlines == NULL)
579	layers[1].merge_scanlines = alphablend_scanlines;	525	layers[1].merge_scanlines = alphablend_scanlines;
580	}	526	}
		527
581	ASImage *tmp = merge_layers (target->asv, layers, 2, target_width, target_height,	528	ASImage *tmp = merge_layers (asv, layers, 2, target_width, target_height,
582	ASA_XImage, 0, ASIMAGE_QUALITY_DEFAULT);	529	ASA_XImage, 0, ASIMAGE_QUALITY_DEFAULT);
		530
583	if (tmp)	531	if (tmp)
584	{	532	{
585	if (result != original_asim)	533	if (result != original_asim)
586	destroy_asimage (&result);	534	destroy_asimage (&result);
		535
587	result = tmp;	536	result = tmp;
588	}	537	}
		538
589	free (layers);	539	free (layers);
590	}	540	}
591	}	541	}
592	TIMING_TEST_PRINT_RESULT (asim);
593		542
594	if (pixmap)	543	bool ret = false;
595	{
596	if (result == NULL
597	|| pmap_width != new_pmap_width
598	|| pmap_height != new_pmap_height
599	|| pmap_depth != target->depth)
600	{
601	XFreePixmap (target->dpy, pixmap);
602	pixmap = None;
603	}
604	}
605		544
606	if (result)	545	if (result)
607	{	546	{
608	XGCValues gcv;	547	XGCValues gcv;
609	GC gc;	548	GC gc;
610		549
611	/* create Pixmap */	550	/* create Pixmap */
612	if (pixmap == None)	551	if (bg_pixmap == None
		552	|| bg_pmap_width != new_pmap_width
		553	|| bg_pmap_height != new_pmap_height)
613	{	554	{
		555	if (bg_pixmap)
		556	XFreePixmap (dpy, bg_pixmap);
614	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);
615	pmap_width = new_pmap_width;	558	bg_pmap_width = new_pmap_width;
616	pmap_height = new_pmap_height;	559	bg_pmap_height = new_pmap_height;
617	pmap_depth = target->depth;
618	}	560	}
619	/* fill with background color ( if result's not completely overlapping it)*/	561	/* fill with background color (if result's not completely overlapping it) */
620	gcv.foreground = target->pix_colors[Color_bg];	562	gcv.foreground = pix_colors[Color_bg];
621	gc = XCreateGC (target->dpy, target->vt, GCForeground, &gcv);	563	gc = XCreateGC (dpy, vt, GCForeground, &gcv);
622		564
623	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;
624	int dst_width = result->width, dst_height = result->height;	566	int dst_width = result->width, dst_height = result->height;
625	if (background == NULL)	567	if (background == NULL)
626	{	568	{
627	if (h_scale > 0)	569	if (!(h_scale == 0 || v_scale == 0))
		570	{
628	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 );
629	if (v_scale > 0)
630	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	}
631		574
632	if (dst_x > 0 || dst_y > 0	575	if (dst_x > 0 || dst_y > 0
633	|| dst_x + dst_width < new_pmap_width	576	|| dst_x + dst_width < new_pmap_width
634	|| dst_y + dst_height < new_pmap_height)	577	|| dst_y + dst_height < new_pmap_height)
635	{
636	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);
637	}
638	}	579	}
639		580
640	/* put result on pixmap */	581	/* put result on pixmap */
641	if (dst_x < new_pmap_width && dst_y < new_pmap_height)	582	if (dst_x < new_pmap_width && dst_y < new_pmap_height)
642	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);
643		584
644	if (result != background && result != original_asim)	585	if (result != background && result != original_asim)
645	destroy_asimage (&result);	586	destroy_asimage (&result);
646		587
647	XFreeGC (target->dpy, gc);	588	XFreeGC (dpy, gc);
648	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)
649	}	646	{
		647	free (data);
		648	return false;
		649	}
650		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);
651	return true;	681	return true;
652	}	682	}
653	# endif /* HAVE_AFTERIMAGE */
654		683
655	bool	684	bool
656	bgPixmap_t::set_file (const char *file)	685	rxvt_term::render_image (unsigned long tr_flags)
657	{	686	{
658	char *f;	687	if (!pixbuf)
		688	return false;
659		689
660	assert (file != NULL);	690	if (tr_flags
		691	&& !(bg_flags & BG_HAS_RENDER))
		692	return false;
661		693
662	if (*file != '\0')	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);
663	{	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
664	# ifdef HAVE_AFTERIMAGE	868	# ifdef HAVE_AFTERIMAGE
665	if (target->asimman == NULL)	869	if (!asimman)
666	target->asimman = create_generic_imageman (target->rs[Rs_path]);	870	asimman = create_generic_imageman (rs[Rs_path]);
667	if ((f = strchr (file, ';')) == NULL)
668	original_asim = get_asimage (target->asimman, file, 0xFFFFFFFF, 100);	871	ASImage *image = get_asimage (asimman, file, 0xFFFFFFFF, 100);
669	else	872	if (image)
670	{	873	{
671	size_t len = f - file;	874	if (original_asim)
672	f = (char *)malloc (len + 1);	875	safe_asimage_destroy (original_asim);
673	memcpy (f, file, len);	876	original_asim = image;
674	f[len] = '\0';	877	bg_flags |= BG_IS_FROM_FILE | BG_CLIENT_RENDER;
675	original_asim = get_asimage (target->asimman, f, 0xFFFFFFFF, 100);	878	return true;
676	free (f);	879	}
677	}
678	return (original_asim != NULL);
679	# endif	880	# endif
		881
		882	# ifdef HAVE_PIXBUF
		883	GdkPixbuf *image = gdk_pixbuf_new_from_file (file, NULL);
		884	if (image)
680	}	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
		893
681	return false;	894	return false;
682	}	895	}
683		896
684	# endif /* BG_IMAGE_FROM_FILE */	897	# endif /* BG_IMAGE_FROM_FILE */
685		898
686	# ifdef ENABLE_TRANSPARENCY	899	# ifdef ENABLE_TRANSPARENCY
687	bool	900	bool
688	bgPixmap_t::set_transparent ()	901	rxvt_term::bg_set_transparent ()
689	{	902	{
690	if (!(flags & isTransparent))	903	if (!(bg_flags & BG_IS_TRANSPARENT))
691	{	904	{
692	flags |= isTransparent;	905	bg_flags |= BG_IS_TRANSPARENT;
693	return true;	906	return true;
694	}	907	}
		908
695	return false;	909	return false;
696	}	910	}
697		911
698	bool	912	bool
699	bgPixmap_t::set_blur_radius (const char *geom)	913	rxvt_term::bg_set_blur (const char *geom)
700	{	914	{
701	int changed = 0;	915	bool changed = false;
702	unsigned int hr, vr;	916	unsigned int hr, vr;
703	int junk;	917	int junk;
704	int geom_flags = XParseGeometry (geom, &junk, &junk, &hr, &vr);	918	int geom_flags = XParseGeometry (geom, &junk, &junk, &hr, &vr);
705		919
706	if (!(geom_flags&WidthValue))	920	if (!(geom_flags & WidthValue))
707	hr = 1;	921	hr = 1;
708	if (!(geom_flags&HeightValue))	922	if (!(geom_flags & HeightValue))
709	vr = hr;	923	vr = hr;
710		924
		925	min_it (hr, 128);
		926	min_it (vr, 128);
		927
711	if (h_blurRadius != hr)	928	if (h_blurRadius != hr)
712	{	929	{
713	++changed;	930	changed = true;
714	h_blurRadius = hr;	931	h_blurRadius = hr;
715	}	932	}
716		933
717	if (v_blurRadius != vr)	934	if (v_blurRadius != vr)
718	{	935	{
719	++changed;	936	changed = true;
720	v_blurRadius = vr;	937	v_blurRadius = vr;
721	}	938	}
722		939
723	if (v_blurRadius == 0 && h_blurRadius == 0)	940	if (v_blurRadius == 0 && h_blurRadius == 0)
724	flags &= ~blurNeeded;	941	bg_flags &= ~BG_NEEDS_BLUR;
725	else	942	else
726	flags |= blurNeeded;	943	bg_flags |= BG_NEEDS_BLUR;
727		944
728	return (changed>0);	945	return changed;
729	}	946	}
730		947
731	static inline unsigned long	948	static inline unsigned long
732	compute_tint_shade_flags (rxvt_color *tint, int shade)	949	compute_tint_shade_flags (rxvt_color *tint, int shade)
733	{	950	{
734	unsigned long flags = 0;	951	unsigned long flags = 0;
735	rgba c (rgba::MAX_CC,rgba::MAX_CC,rgba::MAX_CC);	952	rgba c (rgba::MAX_CC,rgba::MAX_CC,rgba::MAX_CC);
736	bool has_shade = (shade > 0 && shade < 100) || (shade > 100 && shade < 200);	953	bool has_shade = shade != 100;
737		954
738	if (tint)	955	if (tint)
739	{	956	{
740	tint->get (c);	957	tint->get (c);
741	# define IS_COMPONENT_WHOLESOME(cmp) ((cmp) <= 0x000700 || (cmp) >= 0x00f700)
742	if (!has_shade && IS_COMPONENT_WHOLESOME (c.r)
743	&& IS_COMPONENT_WHOLESOME (c.g)
744	&& IS_COMPONENT_WHOLESOME (c.b))
745	flags |= bgPixmap_t::tintWholesome;
746	# undef IS_COMPONENT_WHOLESOME
747	}
748
749	if (has_shade)	958	if (!has_shade
750	flags |= bgPixmap_t::tintNeeded;	959	&& (c.r <= 0x00ff || c.r >= 0xff00)
751	else if (tint)	960	&& (c.g <= 0x00ff || c.g >= 0xff00)
752	{	961	&& (c.b <= 0x00ff || c.b >= 0xff00))
753	if ((c.r > 0x000700 || c.g > 0x000700 || c.b > 0x000700)	962	flags |= rxvt_term::BG_TINT_BITAND;
754	&& (c.r < 0x00f700 || c.g < 0x00f700 || c.b < 0x00f700))
755	{
756	flags |= bgPixmap_t::tintNeeded;
757	}	963	}
758	}
759		964
760	if (flags & bgPixmap_t::tintNeeded)	965	if (has_shade || tint)
761	{	966	flags |= rxvt_term::BG_NEEDS_TINT;
762	if (flags & bgPixmap_t::tintWholesome)
763	flags |= bgPixmap_t::tintServerSide;
764	else
765	{
766	#if XFT
767	flags |= bgPixmap_t::tintServerSide;
768	#endif
769	}
770	}
771		967
772	return flags;	968	return flags;
773	}	969	}
774		970
775	bool	971	bool
776	bgPixmap_t::set_tint (rxvt_color &new_tint)	972	rxvt_term::bg_set_tint (rxvt_color &new_tint)
777	{	973	{
778	if (tint != new_tint)	974	if (!(bg_flags & BG_TINT_SET) || tint != new_tint)
779	{	975	{
780	unsigned long new_flags = compute_tint_shade_flags (&new_tint, shade);	976	unsigned long new_flags = compute_tint_shade_flags (&new_tint, shade);
781	tint = new_tint;	977	tint = new_tint;
782	flags = (flags & ~tintFlags) | new_flags | tintSet;	978	bg_flags = (bg_flags & ~BG_TINT_FLAGS) | new_flags | BG_TINT_SET;
783	return true;	979	return true;
784	}	980	}
785		981
786	return false;	982	return false;
787	}	983	}
788		984
789	bool	985	bool
790	bgPixmap_t::unset_tint ()	986	rxvt_term::bg_set_shade (const char *shade_str)
791	{	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	{
792	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);
793		997	shade = new_shade;
794	if (new_flags != (flags & tintFlags))	998	bg_flags = (bg_flags & ~BG_TINT_FLAGS) | new_flags;
795	{
796	flags = (flags&~tintFlags)|new_flags;
797	return true;	999	return true;
798	}	1000	}
799		1001
800	return false;	1002	return false;
801	}	1003	}
802		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
803	bool	1028	bool
804	bgPixmap_t::set_shade (const char *shade_str)	1029	rxvt_term::blur_pixmap (Pixmap pixmap, Visual *visual, int width, int height)
805	{	1030	{
806	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));
807		1036
808	if (new_shade < 0 && new_shade > -100)	1037	XRenderPictureAttributes pa;
809	new_shade = 200 - (100 + new_shade);	1038	XRenderPictFormat *format = XRenderFindVisualFormat (dpy, visual);
810	else if (new_shade == 100)
811	new_shade = 0;
812		1039
813	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)
814	{	1044	{
815	unsigned long new_flags = compute_tint_shade_flags ((flags & tintSet) ? &tint : NULL, new_shade);	1045	if (h_blurRadius)
816	shade = new_shade;	1046	{
817	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
818	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)
819	}	1097	{
		1098	XGCValues gcv;
		1099	GC gc;
820		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
821	return false;	1186	return ret;
822	}	1187	}
823		1188
824	/* make_transparency_pixmap()	1189	/* make_transparency_pixmap()
825	* 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
826	* 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
827	* our window.	1192	* our window.
828	*/	1193	*/
829	unsigned long	1194	unsigned long
830	bgPixmap_t::make_transparency_pixmap ()	1195	rxvt_term::make_transparency_pixmap ()
831	{	1196	{
832	unsigned long result = 0;	1197	unsigned long result = 0;
833		1198
834	if (target == NULL)
835	return 0;
836
837	/* 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
838	* be always up-to-date, so let's use it :	1200	* be always up-to-date, so let's use it :
839	*/	1201	*/
840	Window root = target->display->root;
841	int screen = target->display->screen;	1202	int screen = display->screen;
842	Display *dpy = target->dpy;	1203	int root_depth = DefaultDepth (dpy, screen);
843	int root_width = DisplayWidth (dpy, screen);	1204	int root_width = DisplayWidth (dpy, screen);
844	int root_height = DisplayHeight (dpy, screen);	1205	int root_height = DisplayHeight (dpy, screen);
845	unsigned int root_pmap_width, root_pmap_height;	1206	unsigned int root_pmap_width, root_pmap_height;
846	int window_width = target->szHint.width;	1207	int window_width = szHint.width;
847	int window_height = target->szHint.height;	1208	int window_height = szHint.height;
848	int sx, sy;	1209	int sx, sy;
849	XGCValues gcv;	1210	XGCValues gcv;
		1211	GC gc;
850		1212
851	TIMING_TEST_START (tp);	1213	sx = target_x;
852	target->get_window_origin (sx, sy);	1214	sy = target_y;
853		1215
854	/* 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 : */
855	if (sx + window_width <= 0 || sy + window_height <= 0	1217	if (sx + window_width <= 0 || sy + window_height <= 0
856	|| sx >= root_width || sy >= root_height)	1218	|| sx >= root_width || sy >= root_height)
857	return 0;	1219	return 0;
858		1220
		1221	// validate root pixmap and get its size
859	if (root_pixmap != None)	1222	if (root_pixmap != None)
860	{	1223	{
861	/* we want to validate the pixmap and get it's size at the same time : */	1224	Window wdummy;
862	int junk;	1225	int idummy;
863	unsigned int ujunk;	1226	unsigned int udummy;
864	/* root pixmap may be bad - allow a error */	1227
865	target->allowedxerror = -1;	1228	allowedxerror = -1;
866		1229
867	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))
868	root_pixmap = None;	1231	root_pixmap = None;
869		1232
870	target->allowedxerror = 0;	1233	allowedxerror = 0;
		1234	}
		1235
		1236	Pixmap recoded_root_pmap = root_pixmap;
		1237
		1238	if (root_pixmap != None && root_depth != depth)
871	}	1239	{
		1240	#if XRENDER
		1241	if (bg_flags & BG_HAS_RENDER)
		1242	{
		1243	XRenderPictureAttributes pa;
872		1244
873	Pixmap tiled_root_pmap = XCreatePixmap (dpy, root, window_width, window_height, root_depth);	1245	XRenderPictFormat *src_format = XRenderFindVisualFormat (dpy, DefaultVisual (dpy, screen));
874	GC gc = NULL;	1246	Picture src = XRenderCreatePicture (dpy, root_pixmap, src_format, 0, &pa);
875		1247
876	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)
877	return 0;	1269	return 0;
878		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
879	if (root_pixmap == None)	1282	if (bg_pixmap == None)
880	{	1283	return 0;
881	/* use tricks to obtain the root background image :*/
882	/* we want to create Overrideredirect window overlapping out window
883	with background type of Parent Relative and then grab it */
884	XSetWindowAttributes attr;
885	Window src;
886	bool success = false;
887		1284
888	attr.background_pixmap = ParentRelative;
889	attr.backing_store = Always;
890	attr.event_mask = ExposureMask;
891	attr.override_redirect = True;
892	src = XCreateWindow (dpy, root, sx, sy, window_width, window_height, 0,
893	CopyFromParent, CopyFromParent, CopyFromParent,
894	CWBackPixmap|CWBackingStore|CWOverrideRedirect|CWEventMask,
895	&attr);
896
897	if (src != None)
898	{
899	XEvent event;
900	int ev_count = 0;
901	XGrabServer (dpy);
902	XMapRaised (dpy, src);
903	XSync (dpy, False);
904
905	/* XSync should get window where it's properly exposed,
906	* but to be on the safe side - let's check for the actual event to arrive : */
907	while (XCheckWindowEvent (dpy, src, ExposureMask, &event))
908	++ev_count;
909
910	if (ev_count > 0);
911	{
912	/* hooray! - we can grab the image! */
913	gc = XCreateGC (dpy, root, 0, NULL);
914	if (gc)
915	{
916	XCopyArea (dpy, src, tiled_root_pmap, gc, 0, 0, window_width, window_height, 0, 0);
917	success = true;
918	}
919	}
920
921	XDestroyWindow (dpy, src);
922	XUngrabServer (dpy);
923	//fprintf (stderr, "%s:%d: ev_count = %d\n", __FUNCTION__, __LINE__, ev_count);
924	}
925
926	if (!success)
927	{
928	XFreePixmap (dpy, tiled_root_pmap);
929	tiled_root_pmap = None;
930	}
931	else
932	result |= transpPmapTiled;
933	}
934	else
935	{
936	/* strightforward pixmap copy */	1285	/* straightforward pixmap copy */
937	gcv.tile = root_pixmap;
938	gcv.fill_style = FillTiled;
939
940	while (sx < 0) sx += (int)root_width;	1286	while (sx < 0) sx += (int)root_width;
941	while (sy < 0) sy += (int)root_height;	1287	while (sy < 0) sy += (int)root_height;
942		1288
		1289	gcv.tile = recoded_root_pmap;
		1290	gcv.fill_style = FillTiled;
943	gcv.ts_x_origin = -sx;	1291	gcv.ts_x_origin = -sx;
944	gcv.ts_y_origin = -sy;	1292	gcv.ts_y_origin = -sy;
945	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);
946		1386
947	if (gc)	1387	if (gc)
948	{	1388	{
949	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);
950	result |= transpPmapTiled;
951	}
952	}
953	TIMING_TEST_PRINT_RESULT (tp);
954		1390
955	if (tiled_root_pmap != None)	1391	XFreeGC (dpy, gc);
956	{	1392	bg_flags |= BG_IS_VALID;
957	if (!need_client_side_rendering ())
958	{	1393	}
959	if ((flags & tintNeeded))
960	{
961	if (flags & tintWholesome)
962	{
963	/* In this case we can tint image server-side getting significant
964	* performance improvements, as we eliminate XImage transfer
965	*/
966	gcv.foreground = Pixel (tint);
967	gcv.function = GXand;
968	gcv.fill_style = FillSolid;
969	if (gc)
970	XChangeGC (dpy, gc, GCFillStyle | GCForeground | GCFunction, &gcv);
971	else
972	gc = XCreateGC (dpy, root, GCFillStyle | GCForeground | GCFunction, &gcv);
973	if (gc)
974	{
975	XFillRectangle (dpy, tiled_root_pmap, gc, 0, 0, window_width, window_height);
976	result |= transpPmapTinted;
977	}
978	}
979	else
980	{
981	# if XFT
982	Picture back_pic = 0;
983	rgba c (rgba::MAX_CC,rgba::MAX_CC,rgba::MAX_CC);
984		1394
985	if (flags & tintSet)	1395	XDestroyImage (result);
986	tint.get (c);
987
988	if (shade > 0 && shade < 100)
989	{
990	c.r = (c.r * shade) / 100;
991	c.g = (c.g * shade) / 100;
992	c.b = (c.b * shade) / 100;
993	}
994	else if (shade > 100 && shade < 200)
995	{
996	c.r = (c.r * (200 - shade)) / 100;
997	c.g = (c.g * (200 - shade)) / 100;
998	c.b = (c.b * (200 - shade)) / 100;
999	}
1000
1001	XRenderPictFormat pf;
1002	pf.type = PictTypeDirect;
1003	pf.depth = 32;
1004	pf.direct.redMask = 0xff;
1005	pf.direct.greenMask = 0xff;
1006	pf.direct.blueMask = 0xff;
1007	pf.direct.alphaMask = 0xff;
1008
1009	XRenderPictFormat *solid_format = XRenderFindFormat (dpy,
1010	(PictFormatType|
1011	PictFormatDepth|
1012	PictFormatRedMask|
1013	PictFormatGreenMask|
1014	PictFormatBlueMask|
1015	PictFormatAlphaMask),
1016	&pf,
1017	0);
1018	XRenderPictFormat *root_format = XRenderFindVisualFormat (dpy, DefaultVisualOfScreen (ScreenOfDisplay (dpy, target->display->screen)));
1019	XRenderPictureAttributes pa ;
1020
1021	back_pic = XRenderCreatePicture (dpy, tiled_root_pmap, root_format, 0, &pa);
1022
1023	pa.repeat = True;
1024
1025	Pixmap overlay_pmap = XCreatePixmap (dpy, root, 1, 1, 32);
1026	Picture overlay_pic = XRenderCreatePicture (dpy, overlay_pmap, solid_format, CPRepeat, &pa);
1027	XFreePixmap (dpy, overlay_pmap);
1028
1029	pa.component_alpha = True;
1030	Pixmap mask_pmap = XCreatePixmap (dpy, root, 1, 1, 32);
1031	Picture mask_pic = XRenderCreatePicture (dpy, mask_pmap, solid_format, CPRepeat|CPComponentAlpha, &pa);
1032	XFreePixmap (dpy, mask_pmap);
1033
1034	if (mask_pic && overlay_pic && back_pic)
1035	{
1036	XRenderColor mask_c;
1037
1038	memset (&mask_c, (shade > 100) ? 0xFF : 0x0, sizeof (mask_c));
1039	mask_c.alpha = 0xffff;
1040	XRenderFillRectangle (dpy, PictOpSrc, overlay_pic, &mask_c, 0, 0, 1, 1);
1041
1042	mask_c.alpha = 0;
1043	mask_c.red = 0xffff - c.r;
1044	mask_c.green = 0xffff - c.g;
1045	mask_c.blue = 0xffff - c.b;
1046	XRenderFillRectangle (dpy, PictOpSrc, mask_pic, &mask_c, 0, 0, 1, 1);
1047	XRenderComposite (dpy, PictOpOver, overlay_pic, mask_pic, back_pic, 0, 0, 0, 0, 0, 0, window_width, window_height);
1048	result |= transpPmapTinted;
1049	}
1050
1051	XRenderFreePicture (dpy, mask_pic);
1052	XRenderFreePicture (dpy, overlay_pic);
1053	XRenderFreePicture (dpy, back_pic);
1054	# if DO_TIMING_TEST
1055	XSync (dpy, False);
1056	# endif
1057	# endif
1058	}
1059	}
1060	} /* server side rendering completed */
1061
1062	if (pixmap)
1063	XFreePixmap (dpy, pixmap);
1064
1065	pixmap = tiled_root_pmap;
1066	pmap_width = window_width;
1067	pmap_height = window_height;
1068	pmap_depth = root_depth;
1069	}
1070
1071	if (gc)
1072	XFreeGC (dpy, gc);
1073
1074	TIMING_TEST_PRINT_RESULT (tp);
1075
1076	return result;
1077	}
1078
1079	bool
1080	bgPixmap_t::set_root_pixmap ()
1081	{
1082	Pixmap new_root_pixmap = target->get_pixmap_property (XA_XROOTPMAP_ID);
1083	if (new_root_pixmap == None)
1084	new_root_pixmap = target->get_pixmap_property (XA_ESETROOT_PMAP_ID);
1085
1086	if (new_root_pixmap != root_pixmap)
1087	{	1396	}
1088	root_pixmap = new_root_pixmap;
1089	return true;
1090	}
1091
1092	return false;
1093	}
1094	# endif /* ENABLE_TRANSPARENCY */
1095
1096	# ifndef HAVE_AFTERIMAGE
1097	static void ShadeXImage(rxvt_term *term, XImage* srcImage, int shade, int rm, int gm, int bm);
1098	# endif	1397	# endif
1099		1398
1100	bool	1399	if (!(bg_flags & BG_IS_VALID))
1101	bgPixmap_t::render ()
1102	{
1103	unsigned long background_flags = 0;
1104
1105	if (target == NULL)
1106	return false;
1107
1108	TIMING_TEST_START (tp);
1109
1110	invalidate();
1111	# ifdef ENABLE_TRANSPARENCY
1112	if (flags & isTransparent)
1113	{
1114	/* we need to re-generate transparency pixmap in that case ! */
1115	background_flags = make_transparency_pixmap ();
1116	if (background_flags == 0)
1117	return false;
1118	else if ((background_flags & transpTransformations) == (flags & transpTransformations)
1119	&& pmap_depth == target->depth)
1120	flags = flags & ~isInvalid;
1121	}	1400	{
1122	# endif
1123
1124	XImage *result = NULL;
1125	# ifdef HAVE_AFTERIMAGE
1126	if (original_asim
1127	|| (background_flags & transpTransformations) != (flags & transpTransformations))
1128	{
1129	ASImage *background = NULL;
1130	ARGB32 as_tint = TINT_LEAVE_SAME;
1131	if (background_flags)
1132	background = pixmap2ximage (target->asv, pixmap, 0, 0, pmap_width, pmap_height, AllPlanes, 100);
1133
1134	# ifdef ENABLE_TRANSPARENCY
1135	if (!(background_flags & transpPmapTinted) && (flags & tintNeeded))
1136	{
1137	ShadingInfo as_shade;
1138	as_shade.shading = (shade == 0) ? 100 : shade;
1139
1140	rgba c (rgba::MAX_CC,rgba::MAX_CC,rgba::MAX_CC);
1141	if (flags & tintSet)
1142	tint.get (c);
1143	as_shade.tintColor.red = c.r;
1144	as_shade.tintColor.green = c.g;
1145	as_shade.tintColor.blue = c.b;
1146
1147	as_tint = shading2tint32 (&as_shade);
1148	}
1149	if (!(background_flags & transpPmapBlured) && (flags & blurNeeded) && background != NULL)
1150	{
1151	ASImage* tmp = blur_asimage_gauss (target->asv, background, h_blurRadius, v_blurRadius, 0xFFFFFFFF,
1152	(original_asim == NULL || tint == TINT_LEAVE_SAME)?ASA_XImage:ASA_ASImage,
1153	100, ASIMAGE_QUALITY_DEFAULT);
1154	if (tmp)
1155	{
1156	destroy_asimage (&background);
1157	background = tmp;
1158	}
1159	}
1160	# endif
1161
1162	if (render_asim (background, as_tint))
1163	flags = flags & ~isInvalid;
1164	if (background)
1165	destroy_asimage (&background);
1166	}
1167	else if (background_flags && pmap_depth != target->depth)
1168	{
1169	result = XGetImage (target->dpy, pixmap, 0, 0, pmap_width, pmap_height, AllPlanes, ZPixmap);
1170	}
1171
1172	# elif !XFT /* our own client-side tinting */
1173
1174	/* ATTENTION: We ASSUME that XFT will let us do all the tinting neccessary server-side.
1175	This may need to be changed in need_client_side_rendering() logic is altered !!! */
1176
1177	if (background_flags && (flags & isInvalid))
1178	{
1179	result = XGetImage (target->dpy, pixmap, 0, 0, pmap_width, pmap_height, AllPlanes, ZPixmap);
1180	if (result != NULL && !(background_flags & transpPmapTinted) && (flags & tintNeeded))
1181	{
1182	rgba c (rgba::MAX_CC,rgba::MAX_CC,rgba::MAX_CC);
1183	if (flags & tintSet)
1184	tint.get (c);
1185	ShadeXImage (target, result, shade, c.r, c.g, c.b);
1186	}
1187	}
1188	# endif /* HAVE_AFTERIMAGE */
1189
1190	if (result)
1191	{
1192	GC gc = XCreateGC (target->dpy, target->vt, 0UL, NULL);
1193
1194	if (gc)
1195	{
1196	if (/*pmap_depth != target->depth &&*/ pixmap != None)
1197	{
1198	XFreePixmap (target->dpy, pixmap);
1199	pixmap = None;
1200	}
1201
1202	if (pixmap == None)
1203	{
1204	pixmap = XCreatePixmap (target->dpy, target->vt, result->width, result->height, target->depth);
1205	pmap_width = result->width;
1206	pmap_height = result->height;
1207	pmap_depth = target->depth;
1208	}
1209
1210	if (pmap_depth != result->depth)
1211	{
1212	/* Bad Match error will ensue ! stupid X !!!! */
1213	if (result->depth == 24 && pmap_depth == 32)
1214	result->depth = 32;
1215	else if (result->depth == 32 && pmap_depth == 24)
1216	result->depth = 24;
1217	else
1218	{
1219	/* TODO: implement image recoding */
1220	}
1221	}
1222
1223	if (pmap_depth == result->depth)
1224	XPutImage (target->dpy, pixmap, gc, result, 0, 0, 0, 0, result->width, result->height);
1225
1226	XFreeGC (target->dpy, gc);
1227	flags = flags & ~isInvalid;
1228	}
1229
1230	XDestroyImage (result);
1231	}
1232
1233	if (flags & isInvalid)
1234	{
1235	if (pixmap != None)	1401	if (bg_pixmap != None)
1236	{	1402	{
1237	XFreePixmap (target->dpy, pixmap);	1403	XFreePixmap (dpy, bg_pixmap);
1238	pixmap = None;	1404	bg_pixmap = None;
1239	}	1405	}
1240	}	1406	}
1241		1407
1242	apply ();	1408	scr_recolour (false);
		1409	bg_flags |= BG_NEEDS_REFRESH;
1243		1410
1244	XSync (target->dpy, False);
1245	valid_since = ev::now ();	1411	bg_valid_since = ev::now ();
1246
1247	TIMING_TEST_PRINT_RESULT (tp);
1248		1412
1249	return true;	1413	return true;
1250	}	1414	}
1251		1415
1252	bool
1253	bgPixmap_t::set_target (rxvt_term *new_target)
1254	{
1255	if (new_target)
1256	if (target != new_target)
1257	{
1258	target = new_target;
1259	# ifdef ENABLE_TRANSPARENCY
1260	root_depth = DefaultDepthOfScreen (ScreenOfDisplay (target->dpy, target->display->screen));
1261	# endif
1262	return true;
1263	}
1264	return false;
1265	}
1266
1267	void	1416	void
1268	bgPixmap_t::apply ()	1417	rxvt_term::bg_init ()
1269	{	1418	{
1270	if (target)
1271	{
1272	flags &= ~isVtOrigin;
1273	if (pixmap != None)
1274	{
1275	/* set target's background to pixmap */
1276	# ifdef ENABLE_TRANSPARENCY	1419	#ifdef ENABLE_TRANSPARENCY
1277	if (flags & isTransparent)	1420	shade = 100;
1278	{
1279	XSetWindowBackgroundPixmap (target->dpy, target->parent[0], pixmap);
1280	XSetWindowBackgroundPixmap (target->dpy, target->vt, ParentRelative);
1281	# if HAVE_SCROLLBARS
1282	if (target->scrollBar.win)
1283	XSetWindowBackgroundPixmap (target->dpy, target->scrollBar.win, ParentRelative);
1284	# endif
1285	}
1286	else
1287	# endif	1421	#endif
1288	{	1422
1289	flags |= isVtOrigin;	1423	bg_flags &= ~(BG_HAS_RENDER | BG_HAS_RENDER_CONV);
1290	/* force old pixmap dereference in case it was transparent before :*/	1424	#if XRENDER
1291	XSetWindowBackground (target->dpy, target->parent[0], target->pix_colors[Color_border]);	1425	int major, minor;
1292	XSetWindowBackgroundPixmap (target->dpy, target->vt, pixmap);	1426	if (XRenderQueryVersion (dpy, &major, &minor))
1293	/* do we also need to set scrollbar's background here ? */	1427	bg_flags |= BG_HAS_RENDER;
1294	# if HAVE_SCROLLBARS	1428	XFilters *filters = XRenderQueryFilters (dpy, vt);
1295	if (target->scrollBar.win)	1429	if (filters)
1296	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	}
1297	# endif	1437	#endif
1298	}
1299	}
1300	else
1301	{
1302	/* set target background to a pixel */
1303	XSetWindowBackground (target->dpy, target->parent[0], target->pix_colors[Color_border]);
1304	XSetWindowBackground (target->dpy, target->vt, target->pix_colors[Color_bg]);
1305	/* do we also need to set scrollbar's background here ? */
1306	# if HAVE_SCROLLBARS
1307	if (target->scrollBar.win)
1308	XSetWindowBackground (target->dpy, target->scrollBar.win, target->pix_colors[Color_border]);
1309	# endif
1310	}
1311	/* don't want Expose on the parent or vt. It is better to use
1312	scr_touch or we get a great deal of flicker otherwise: */
1313	XClearWindow (target->dpy, target->parent[0]);
1314
1315	# if HAVE_SCROLLBARS
1316	if (target->scrollBar.win)
1317	{
1318	target->scrollBar.setIdle ();
1319	target->scrollbar_show (0);
1320	}
1321	# endif
1322
1323	target->want_refresh = 1;
1324	flags |= hasChanged;
1325	}
1326	}	1438	}
1327		1439
1328	#endif /* HAVE_BG_PIXMAP */	1440	#endif /* HAVE_BG_PIXMAP */
1329		1441
1330	#if defined(ENABLE_TRANSPARENCY) && !defined(HAVE_AFTERIMAGE) && !XFT	1442	#if defined(ENABLE_TRANSPARENCY) && !defined(HAVE_AFTERIMAGE)
1331	/* taken from aterm-0.4.2 */	1443	/* taken from aterm-0.4.2 */
1332		1444
1333	typedef uint32_t RUINT32T;
1334
1335	static void	1445	static void
1336	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)
1337	{	1447	{
1338	int sh_r, sh_g, sh_b;	1448	int sh_r, sh_g, sh_b;
1339	RUINT32T mask_r, mask_g, mask_b;	1449	uint32_t mask_r, mask_g, mask_b;
1340	RUINT32T *lookup, *lookup_r, *lookup_g, *lookup_b;	1450	uint32_t *lookup, *lookup_r, *lookup_g, *lookup_b;
1341	unsigned int lower_lim_r, lower_lim_g, lower_lim_b;	1451	rgba low;
1342	unsigned int upper_lim_r, upper_lim_g, upper_lim_b;	1452	rgba high;
1343	int i;	1453	int i;
		1454	int host_byte_order = byteorder::big_endian () ? MSBFirst : LSBFirst;
1344		1455
1345	Visual *visual = term->visual;
1346
1347	if (visual->c_class != TrueColor || srcImage->format != ZPixmap) return ;	1456	if (visual->c_class != TrueColor || ximage->format != ZPixmap) return;
1348
1349	if (shade == 0)
1350	shade = 100;
1351		1457
1352	/* for convenience */	1458	/* for convenience */
1353	mask_r = visual->red_mask;	1459	mask_r = visual->red_mask;
1354	mask_g = visual->green_mask;	1460	mask_g = visual->green_mask;
1355	mask_b = visual->blue_mask;	1461	mask_b = visual->blue_mask;
1356		1462
1357	/* boring lookup table pre-initialization */	1463	/* boring lookup table pre-initialization */
1358	switch (srcImage->bits_per_pixel) {	1464	switch (ximage->depth)
		1465	{
1359	case 15:	1466	case 15:
1360	if ((mask_r != 0x7c00) ||	1467	if ((mask_r != 0x7c00) ||
1361	(mask_g != 0x03e0) ||	1468	(mask_g != 0x03e0) ||
1362	(mask_b != 0x001f))	1469	(mask_b != 0x001f))
1363	return;	1470	return;
1364	lookup = (RUINT32T *) malloc (sizeof (RUINT32T)*(32+32+32));	1471	lookup = (uint32_t *) malloc (sizeof (uint32_t)*(32+32+32));
1365	lookup_r = lookup;	1472	lookup_r = lookup;
1366	lookup_g = lookup+32;	1473	lookup_g = lookup+32;
1367	lookup_b = lookup+32+32;	1474	lookup_b = lookup+32+32;
1368	sh_r = 10;	1475	sh_r = 10;
1369	sh_g = 5;	1476	sh_g = 5;
1370	sh_b = 0;	1477	sh_b = 0;
1371	break;	1478	break;
1372	case 16:	1479	case 16:
1373	if ((mask_r != 0xf800) ||	1480	if ((mask_r != 0xf800) ||
1374	(mask_g != 0x07e0) ||	1481	(mask_g != 0x07e0) ||
1375	(mask_b != 0x001f))	1482	(mask_b != 0x001f))
1376	return;	1483	return;
1377	lookup = (RUINT32T *) malloc (sizeof (RUINT32T)*(32+64+32));	1484	lookup = (uint32_t *) malloc (sizeof (uint32_t)*(32+64+32));
1378	lookup_r = lookup;	1485	lookup_r = lookup;
1379	lookup_g = lookup+32;	1486	lookup_g = lookup+32;
1380	lookup_b = lookup+32+64;	1487	lookup_b = lookup+32+64;
1381	sh_r = 11;	1488	sh_r = 11;
1382	sh_g = 5;	1489	sh_g = 5;
1383	sh_b = 0;	1490	sh_b = 0;
1384	break;	1491	break;
1385	case 24:	1492	case 24:
1386	if ((mask_r != 0xff0000) ||	1493	if ((mask_r != 0xff0000) ||
1387	(mask_g != 0x00ff00) ||	1494	(mask_g != 0x00ff00) ||
1388	(mask_b != 0x0000ff))	1495	(mask_b != 0x0000ff))
1389	return;	1496	return;
1390	lookup = (RUINT32T *) malloc (sizeof (RUINT32T)*(256+256+256));	1497	lookup = (uint32_t *) malloc (sizeof (uint32_t)*(256+256+256));
1391	lookup_r = lookup;	1498	lookup_r = lookup;
1392	lookup_g = lookup+256;	1499	lookup_g = lookup+256;
1393	lookup_b = lookup+256+256;	1500	lookup_b = lookup+256+256;
1394	sh_r = 16;	1501	sh_r = 16;
1395	sh_g = 8;	1502	sh_g = 8;
1396	sh_b = 0;	1503	sh_b = 0;
1397	break;	1504	break;
1398	case 32:	1505	case 32:
1399	if ((mask_r != 0xff0000) ||	1506	if ((mask_r != 0xff0000) ||
1400	(mask_g != 0x00ff00) ||	1507	(mask_g != 0x00ff00) ||
1401	(mask_b != 0x0000ff))	1508	(mask_b != 0x0000ff))
1402	return;	1509	return;
1403	lookup = (RUINT32T *) malloc (sizeof (RUINT32T)*(256+256+256));	1510	lookup = (uint32_t *) malloc (sizeof (uint32_t)*(256+256+256));
1404	lookup_r = lookup;	1511	lookup_r = lookup;
1405	lookup_g = lookup+256;	1512	lookup_g = lookup+256;
1406	lookup_b = lookup+256+256;	1513	lookup_b = lookup+256+256;
1407	sh_r = 16;	1514	sh_r = 16;
1408	sh_g = 8;	1515	sh_g = 8;
1409	sh_b = 0;	1516	sh_b = 0;
1410	break;	1517	break;
1411	default:	1518	default:
1412	return; /* we do not support this color depth */	1519	return; /* we do not support this color depth */
1413	}	1520	}
1414		1521
1415	/* prepare limits for color transformation (each channel is handled separately) */	1522	/* prepare limits for color transformation (each channel is handled separately) */
1416	if (shade < 0) {	1523	if (shade > 100)
		1524	{
1417	shade = -shade;	1525	shade = 200 - shade;
1418	if (shade < 0) shade = 0;
1419	if (shade > 100) shade = 100;
1420		1526
1421	lower_lim_r = 65535-rm;	1527	high.r = c.r * shade / 100;
1422	lower_lim_g = 65535-gm;	1528	high.g = c.g * shade / 100;
1423	lower_lim_b = 65535-bm;	1529	high.b = c.b * shade / 100;
1424		1530
1425	lower_lim_r = 65535-(unsigned int)(((RUINT32T)lower_lim_r)*((RUINT32T)shade)/100);	1531	low.r = 65535 * (100 - shade) / 100;
1426	lower_lim_g = 65535-(unsigned int)(((RUINT32T)lower_lim_g)*((RUINT32T)shade)/100);	1532	low.g = 65535 * (100 - shade) / 100;
1427	lower_lim_b = 65535-(unsigned int)(((RUINT32T)lower_lim_b)*((RUINT32T)shade)/100);	1533	low.b = 65535 * (100 - shade) / 100;
1428
1429	upper_lim_r = upper_lim_g = upper_lim_b = 65535;
1430	} else {
1431	if (shade < 0) shade = 0;
1432	if (shade > 100) shade = 100;
1433
1434	lower_lim_r = lower_lim_g = lower_lim_b = 0;
1435
1436	upper_lim_r = (unsigned int)((((RUINT32T)rm)*((RUINT32T)shade))/100);
1437	upper_lim_g = (unsigned int)((((RUINT32T)gm)*((RUINT32T)shade))/100);
1438	upper_lim_b = (unsigned int)((((RUINT32T)bm)*((RUINT32T)shade))/100);
1439	}	1534	}
1440		1535	else
1441	/* switch red and blue bytes if necessary, we need it for some weird XServers like XFree86 3.3.3.1 */
1442	if ((srcImage->bits_per_pixel == 24) && (mask_r >= 0xFF0000 ))
1443	{	1536	{
1444	unsigned int tmp;	1537	high.r = c.r * shade / 100;
		1538	high.g = c.g * shade / 100;
		1539	high.b = c.b * shade / 100;
1445		1540
1446	tmp = lower_lim_r;	1541	low.r = low.g = low.b = 0;
1447	lower_lim_r = lower_lim_b;
1448	lower_lim_b = tmp;
1449
1450	tmp = upper_lim_r;
1451	upper_lim_r = upper_lim_b;
1452	upper_lim_b = tmp;
1453	}	1542	}
1454		1543
1455	/* fill our lookup tables */	1544	/* fill our lookup tables */
1456	for (i = 0; i <= mask_r>>sh_r; i++)	1545	for (i = 0; i <= mask_r>>sh_r; i++)
1457	{	1546	{
1458	RUINT32T tmp;	1547	uint32_t tmp;
1459	tmp = ((RUINT32T)i)*((RUINT32T)(upper_lim_r-lower_lim_r));	1548	tmp = i * high.r;
1460	tmp += ((RUINT32T)(mask_r>>sh_r))*((RUINT32T)lower_lim_r);	1549	tmp += (mask_r>>sh_r) * low.r;
1461	lookup_r[i] = (tmp/65535)<<sh_r;	1550	lookup_r[i] = (tmp/65535)<<sh_r;
1462	}	1551	}
1463	for (i = 0; i <= mask_g>>sh_g; i++)	1552	for (i = 0; i <= mask_g>>sh_g; i++)
1464	{	1553	{
1465	RUINT32T tmp;	1554	uint32_t tmp;
1466	tmp = ((RUINT32T)i)*((RUINT32T)(upper_lim_g-lower_lim_g));	1555	tmp = i * high.g;
1467	tmp += ((RUINT32T)(mask_g>>sh_g))*((RUINT32T)lower_lim_g);	1556	tmp += (mask_g>>sh_g) * low.g;
1468	lookup_g[i] = (tmp/65535)<<sh_g;	1557	lookup_g[i] = (tmp/65535)<<sh_g;
1469	}	1558	}
1470	for (i = 0; i <= mask_b>>sh_b; i++)	1559	for (i = 0; i <= mask_b>>sh_b; i++)
1471	{	1560	{
1472	RUINT32T tmp;	1561	uint32_t tmp;
1473	tmp = ((RUINT32T)i)*((RUINT32T)(upper_lim_b-lower_lim_b));	1562	tmp = i * high.b;
1474	tmp += ((RUINT32T)(mask_b>>sh_b))*((RUINT32T)lower_lim_b);	1563	tmp += (mask_b>>sh_b) * low.b;
1475	lookup_b[i] = (tmp/65535)<<sh_b;	1564	lookup_b[i] = (tmp/65535)<<sh_b;
1476	}	1565	}
1477		1566
1478	/* apply table to input image (replacing colors by newly calculated ones) */	1567	/* apply table to input image (replacing colors by newly calculated ones) */
1479	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)
1480	{	1571	{
1481	case 15:
1482	{
1483	unsigned short *p1, *pf, *p, *pl;	1572	uint32_t *p1, *pf, *p, *pl;
1484	p1 = (unsigned short *) srcImage->data;	1573	p1 = (uint32_t *) ximage->data;
1485	pf = (unsigned short *) (srcImage->data + srcImage->height * srcImage->bytes_per_line);	1574	pf = (uint32_t *) (ximage->data + ximage->height * ximage->bytes_per_line);
		1575
1486	while (p1 < pf)	1576	while (p1 < pf)
1487	{	1577	{
1488	p = p1;	1578	p = p1;
1489	pl = p1 + srcImage->width;	1579	pl = p1 + ximage->width;
1490	for (; p < pl; p++)	1580	for (; p < pl; p++)
1491	{	1581	{
1492	*p = lookup_r[(*p & 0x7c00)>>10] |
1493	lookup_g[(*p & 0x03e0)>> 5] |
1494	lookup_b[(*p & 0x001f)];
1495	}
1496	p1 = (unsigned short *) ((char *) p1 + srcImage->bytes_per_line);
1497	}
1498	break;
1499	}
1500	case 16:
1501	{
1502	unsigned short *p1, *pf, *p, *pl;
1503	p1 = (unsigned short *) srcImage->data;
1504	pf = (unsigned short *) (srcImage->data + srcImage->height * srcImage->bytes_per_line);
1505	while (p1 < pf)
1506	{
1507	p = p1;
1508	pl = p1 + srcImage->width;
1509	for (; p < pl; p++)
1510	{
1511	*p = lookup_r[(*p & 0xf800)>>11] |
1512	lookup_g[(*p & 0x07e0)>> 5] |
1513	lookup_b[(*p & 0x001f)];
1514	}
1515	p1 = (unsigned short *) ((char *) p1 + srcImage->bytes_per_line);
1516	}
1517	break;
1518	}
1519	case 24:
1520	{
1521	unsigned char *p1, *pf, *p, *pl;
1522	p1 = (unsigned char *) srcImage->data;
1523	pf = (unsigned char *) (srcImage->data + srcImage->height * srcImage->bytes_per_line);
1524	while (p1 < pf)
1525	{
1526	p = p1;
1527	pl = p1 + srcImage->width * 3;
1528	for (; p < pl; p += 3)
1529	{
1530	p[0] = lookup_r[(p[0] & 0xff0000)>>16];
1531	p[1] = lookup_r[(p[1] & 0x00ff00)>> 8];
1532	p[2] = lookup_r[(p[2] & 0x0000ff)];
1533	}
1534	p1 = (unsigned char *) ((char *) p1 + srcImage->bytes_per_line);
1535	}
1536	break;
1537	}
1538	case 32:
1539	{
1540	RUINT32T *p1, *pf, *p, *pl;
1541	p1 = (RUINT32T *) srcImage->data;
1542	pf = (RUINT32T *) (srcImage->data + srcImage->height * srcImage->bytes_per_line);
1543
1544	while (p1 < pf)
1545	{
1546	p = p1;
1547	pl = p1 + srcImage->width;
1548	for (; p < pl; p++)
1549	{
1550	*p = lookup_r[(*p & 0xff0000)>>16] |	1582	*p = lookup_r[(*p & 0xff0000) >> 16] |
1551	lookup_g[(*p & 0x00ff00)>> 8] |	1583	lookup_g[(*p & 0x00ff00) >> 8] |
1552	lookup_b[(*p & 0x0000ff)] |	1584	lookup_b[(*p & 0x0000ff)] |
1553	(*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);
1554	}	1600	}
1555	p1 = (RUINT32T *) ((char *) p1 + srcImage->bytes_per_line);
1556	}	1601	}
1557	break;
1558	}
1559	}
1560		1602
1561	free (lookup);	1603	free (lookup);
1562	}	1604	}
1563	#endif /* defined(ENABLE_TRANSPARENCY) && !defined(HAVE_AFTERIMAGE) */	1605	#endif /* defined(ENABLE_TRANSPARENCY) && !defined(HAVE_AFTERIMAGE) */

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