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Comparing rxvt-unicode/src/background.C (file contents):
Revision 1.16 by ayin, Mon Nov 26 11:20:13 2007 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	#define TIMING_TEST_START(id) \	34	#define FilterConvolution "convolution"
31	struct timeval timing_test_##id##_stv;\
32	gettimeofday (&timing_test_##id##_stv, NULL);
33
34	#define TIMING_TEST_PRINT_RESULT(id) \
35	do{ struct timeval tv;gettimeofday (&tv, NULL); tv.tv_sec -= (timing_test_##id##_stv).tv_sec;\
36	fprintf (stderr, "%s: %s: %d: elapsed %ld usec\n", #id, __FILE__, __LINE__,\
37	tv.tv_sec * 1000000 + tv.tv_usec - (timing_test_##id##_stv).tv_usec);}while (0)
38
39	#else
40	#define TIMING_TEST_START(id) do{}while (0)
41	#define TIMING_TEST_PRINT_RESULT(id) do{}while (0)
42	#endif	35	#endif
43		36
44	/*	37	/*
45	* Pixmap geometry string interpretation :	38	* Pixmap geometry string interpretation :
46	* Each geometry string contains zero or one scale/position	39	* Each geometry string contains zero or one scale/position
47	* 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
48	* colon-delimited pixmap operations.	41	* colon-delimited pixmap operations.
49	* The following table shows the valid geometry strings and their	42	* The following table shows the valid geometry strings and their
50	* affects on the background image :	43	* effects on the background image :
51	*	44	*
52	* 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%.
53	* W and H are percentages of the terminal window size.	46	* W and H are percentages of the terminal window size.
54	* X and Y are also percentages; e.g., +50+50 centers	47	* X and Y are also percentages; e.g., +50+50 centers
55	* the image in the window.	48	* the image in the window.
56	* WxH+X Assumes Y == X
57	* WxH Assumes Y == X == 50 (centers the image)
58	* W+X+Y Assumes H == W
59	* W+X Assumes H == W and Y == X
60	* W Assumes H == W and Y == X == 50
61	*
62	* Adjusting position only :
63	* =+X+Y Set position to X% by Y% (absolute).
64	* =+X Set position to X% by X%.
65	* +X+Y Adjust position horizontally X% and vertically Y%
66	* from current position (relative).
67	* +X Adjust position horizontally X% and vertically X%
68	* from current position.
69	*
70	* Adjusting scale only :
71	* Wx0 Multiply horizontal scaling factor by W%
72	* 0xH Multiply vertical scaling factor by H%
73	* 0x0 No scaling (show image at normal size).
74	*	49	*
75	* Pixmap Operations : (should be prepended by a colon)	50	* Pixmap Operations : (should be prepended by a colon)
76	* tile Tile image. Scaling/position modifiers above will affect	51	* tile Tile image. Scaling/position modifiers above will affect
77	* the tile size and origin.	52	* the tile size and origin.
78	* propscale When scaling, scale proportionally. That is, maintain the	53	* propscale When scaling, scale proportionally. That is, maintain the
79	* proper aspect ratio for the image. Any portion of the	54	* proper aspect ratio for the image. Any portion of the
80	* background not covered by the image is filled with the	55	* background not covered by the image is filled with the
81	* current background color.	56	* current background color.
82	* hscale Scale horizontally, tile vertically ?	57	* hscale Scale horizontally, tile vertically ?
83	* vscale Tile horizontally, scale vertically ?	58	* vscale Tile horizontally, scale vertically ?
84	* scale Scale both up and down	59	* scale Scale both up and down
85	* auto Same as 100x100+50+50	60	* auto Same as 100x100+50+50
86	*/	61	*/
87		62
88	#ifdef HAVE_BG_PIXMAP	63	#ifdef HAVE_BG_PIXMAP
89	bgPixmap_t::bgPixmap_t ()
90	{
91	#ifdef HAVE_AFTERIMAGE
92	original_asim = NULL;
93	#endif
94	#ifdef BG_IMAGE_FROM_FILE
95	h_scale = v_scale = 0;
96	h_align = v_align = 0;
97	#endif
98	flags = 0;
99	pixmap = None;
100	}
101
102	void	64	void
103	bgPixmap_t::destroy ()	65	rxvt_term::bg_destroy ()
104	{	66	{
105	#ifdef HAVE_AFTERIMAGE	67	#ifdef HAVE_AFTERIMAGE
106	if (original_asim)	68	if (original_asim)
107	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);
108	#endif	74	#endif
109		75
110	if (pixmap && target)	76	#ifdef HAVE_PIXBUF
		77	if (pixbuf)
		78	g_object_unref (pixbuf);
		79	#endif
		80
		81	if (bg_pixmap)
111	XFreePixmap (target->dpy, pixmap);	82	XFreePixmap (dpy, bg_pixmap);
112	}	83	}
113		84
114	bool	85	bool
115	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 ()
116	{	101	{
117	# ifdef ENABLE_TRANSPARENCY	102	# ifdef ENABLE_TRANSPARENCY
118	if (flags & isTransparent)	103	if (bg_flags & BG_IS_TRANSPARENT)
119	return true;	104	return true;
120	# endif	105	# endif
121		106
122	# ifdef BG_IMAGE_FROM_FILE	107	# ifdef BG_IMAGE_FROM_FILE
123	# ifdef HAVE_AFTERIMAGE	108	if (bg_flags & BG_IS_FROM_FILE)
124	if (original_asim != NULL)
125	# endif
126	{	109	{
127	if (h_scale != 0 || v_scale != 0	110	if (bg_flags & BG_IS_SIZE_SENSITIVE)
128	|| h_align != 0 || v_align != 0)
129	return true;	111	return true;
130	}	112	}
131	# endif	113	# endif
132		114
133	return false;	115	return false;
134	}	116	}
135		117
136	bool	118	bool
137	bgPixmap_t::window_position_sensitive ()	119	rxvt_term::bg_window_position_sensitive ()
138	{	120	{
139	# ifdef ENABLE_TRANSPARENCY	121	# ifdef ENABLE_TRANSPARENCY
140	if (flags & isTransparent)	122	if (bg_flags & BG_IS_TRANSPARENT)
141	return true;	123	return true;
142	# endif	124	# endif
143		125
144	# ifdef BG_IMAGE_FROM_FILE	126	# ifdef BG_IMAGE_FROM_FILE
145	# ifdef HAVE_AFTERIMAGE	127	if (bg_flags & BG_IS_FROM_FILE)
146	if (original_asim != NULL)
147	# endif
148	{	128	{
149	if (h_align == rootAlign || v_align == rootAlign)	129	if (bg_flags & BG_ROOT_ALIGN)
150	return true;	130	return true;
151	}	131	}
152	# endif	132	# endif
153		133
154	return false;
155	};
156
157	bool bgPixmap_t::need_client_side_rendering ()
158	{
159	# ifdef HAVE_AFTERIMAGE
160	if (original_asim != NULL)
161	return true;
162	# endif
163	# ifdef ENABLE_TRANSPARENCY
164	if (flags & isTransparent)
165	{
166	# ifdef HAVE_AFTERIMAGE // can't blur without libAI anyways
167	if ((flags & blurNeeded) && !(flags & blurServerSide))
168	return true;
169	# endif
170	if ((flags & tintNeeded) && !(flags & tintServerSide))
171	return true;
172	}
173	# endif
174	return false;	134	return false;
175	}	135	}
176		136
177	# ifdef BG_IMAGE_FROM_FILE	137	# ifdef BG_IMAGE_FROM_FILE
178	static inline bool	138	static inline bool
…		…
194	static inline bool	154	static inline bool
195	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)
196	{	156	{
197	if (geom_flags & flag)	157	if (geom_flags & flag)
198	{	158	{
199	if (new_value != bgPixmap_t::rootAlign)
200	{
201	if (new_value < -100)	159	if (new_value < -100)
202	new_value = -100;	160	new_value = -100;
203	else if (new_value > 200)	161	else if (new_value > 200)
204	new_value = 200;	162	new_value = 200;
205	}
206	if (new_value != align)	163	if (new_value != align)
207	{	164	{
208	align = new_value;	165	align = new_value;
209	return true;	166	return true;
210	}	167	}
…		…
214		171
215	static inline int	172	static inline int
216	make_align_position (int align, int window_size, int image_size)	173	make_align_position (int align, int window_size, int image_size)
217	{	174	{
218	int diff = window_size - image_size;	175	int diff = window_size - image_size;
219	int smaller = MIN (image_size,window_size);	176	int smaller = min (image_size, window_size);
220		177
221	if (align >= 0 && align <= 50)	178	if (align >= 0 && align <= 100)
222	return diff * align / 100;	179	return diff * align / 100;
223	else if (align > 50 && align <= 100)
224	return window_size - image_size - diff * (100 - align) / 100;
225	else if (align > 100 && align <= 200 )	180	else if (align > 100 && align <= 200)
226	return ((align - 100) * smaller / 100) + window_size - smaller;	181	return ((align - 100) * smaller / 100) + window_size - smaller;
227	else if (align > -100 && align < 0)	182	else if (align >= -100 && align < 0)
228	return ((align + 100) * smaller / 100) - image_size;	183	return ((align + 100) * smaller / 100) - image_size;
229	return 0;	184	return 0;
230	}	185	}
231		186
232	static inline int	187	static inline int
233	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)
234	{	189	{
235	int src_pos = 0;	190	int src_pos = 0;
236	dst_pos = 0;	191	dst_pos = pos;
237	dst_size = size;	192	dst_size = size;
238	if (pos < 0 && size > target_size)	193	if (pos < 0)
239	{	194	{
240	src_pos = -pos;	195	src_pos = -pos;
		196	dst_pos = 0;
241	dst_size += pos;	197	dst_size += pos;
242	}	198	}
243	else if (pos > 0)
244	dst_pos = pos;
245		199
246	if (dst_pos + dst_size > target_size)	200	if (dst_pos + dst_size > target_size)
247	dst_size = target_size - dst_pos;	201	dst_size = target_size - dst_pos;
248	return src_pos;	202	return src_pos;
249	}	203	}
250		204
251	bool	205	bool
252	bgPixmap_t::set_geometry (const char *geom)	206	rxvt_term::bg_set_geometry (const char *geom, bool update)
253	{	207	{
		208	bool changed = false;
254	int geom_flags = 0, changed = 0;	209	int geom_flags = 0;
255	int x = 0, y = 0;	210	int x = 0, y = 0;
256	unsigned int w = 0, h = 0;	211	unsigned int w = 0, h = 0;
257	unsigned int n;	212	unsigned int n;
258	unsigned long new_flags = (flags & (~geometryFlags));	213	unsigned long new_flags = (bg_flags & (~BG_GEOMETRY_FLAGS));
259	char *p;	214	const char *ops;
260	# define MAXLEN_GEOM 256 /* could be longer then regular geometry string */
261		215
262	if (geom == NULL)	216	if (geom == NULL)
263	return false;	217	return false;
264		218
265	char str[MAXLEN_GEOM];	219	char str[256];
266		220
267	while (isspace(*geom)) ++geom;
268	if ((p = strchr (geom, ';')) == NULL)
269	p = strchr (geom, '\0');	221	ops = strchr (geom, ':');
270		222	if (ops == NULL)
		223	n = strlen (geom);
		224	else
271	n = (p - geom);	225	n = ops - geom;
272	if (n < MAXLEN_GEOM)
273	{
274	char *ops;
275	new_flags |= geometrySet;
276		226
		227	if (n >= sizeof (str))
		228	return false;
		229
277	strncpy (str, geom, n);	230	memcpy (str, geom, n);
278	str[n] = '\0';	231	str[n] = '\0';
279	if (str[0] == ':')	232	rxvt_strtrim (str);
280	ops = &str[0];
281	else if (str[0] != 'x' && str[0] != 'X' && isalpha(str[0]))
282	ops = &str[0];
283	else
284	{
285	char *tmp;
286	ops = strchr (str, ':');
287	if (ops != NULL)
288	{
289	for (tmp = ops-1; tmp >= str && isspace(*tmp); --tmp);
290	*(++tmp) = '\0';
291	if (ops == tmp) ++ops;
292	}
293	}
294		233
295	if (ops > str || ops == NULL)	234	if (str[0])
296	{	235	{
297	/* 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 */
298	geom_flags = XParseGeometry (str, &x, &y, &w, &h);	237	geom_flags = XParseGeometry (str, &x, &y, &w, &h);
299
300	if ((geom_flags & XValue) && !(geom_flags & YValue))
301	{
302	y = x;
303	geom_flags |= YValue;
304	}
305
306	if (flags & geometrySet)
307	{/* new geometry is an adjustment to the old one ! */
308	if ((geom_flags & WidthValue) && (geom_flags & HeightValue))
309	{
310	if (w == 0 && h != 0)
311	{
312	w = h_scale;
313	h = (v_scale * h) / 100;
314	}
315	else if (h == 0 && w != 0)
316	{
317	w = (h_scale * w) / 100;
318	h = v_scale;
319	}
320	}
321	if (geom_flags & XValue)
322	{
323	if (str[0] != '=')
324	{
325	y += v_align;
326	x += h_align;
327	}
328	}
329	}
330	else /* setting up geometry from scratch */
331	{
332	if (!(geom_flags & XValue))
333	{/* use default geometry - centered */
334	x = y = defaultAlign;
335	}
336	else if (!(geom_flags & YValue))
337	y = x;
338
339	if ((geom_flags & (WidthValue|HeightValue)) == 0)
340	{/* use default geometry - scaled */
341	w = h = defaultScale;
342	}
343	else if (geom_flags & WidthValue)
344	{
345	if (!(geom_flags & HeightValue))
346	h = w;
347	}
348	else
349	w = h;
350	}
351	} /* done parsing geometry string */	238	} /* done parsing geometry string */
352	else if (!(flags & geometrySet))	239
353	{	240	if (!update)
354	/* default geometry - scaled and centered */	241	{
		242	if (!(geom_flags & XValue))
355	x = y = defaultAlign;	243	x = y = defaultAlign;
		244	else if (!(geom_flags & YValue))
		245	y = x;
		246
		247	if (!(geom_flags & (WidthValue|HeightValue)))
356	w = h = defaultScale;	248	w = h = defaultScale;
357	}	249	else if (!(geom_flags & HeightValue))
		250	h = w;
		251	else if (!(geom_flags & WidthValue))
		252	w = h;
358		253
359	if (!(flags & geometrySet))
360	geom_flags |= WidthValue|HeightValue|XValue|YValue;	254	geom_flags |= WidthValue|HeightValue|XValue|YValue;
		255	}
361		256
362	if (ops)	257	if (ops)
363	{	258	{
364	while (*ops)	259	char **arr = rxvt_strsplit (':', ops + 1);
		260
		261	for (int i = 0; arr[i]; i++)
365	{	262	{
366	while (*ops == ':' || isspace(*ops)) ++ops;	263	if (!strcasecmp (arr[i], "tile"))
367	# define CHECK_GEOM_OPS(op_str) (strncasecmp (ops, (op_str), sizeof(op_str)-1) == 0)
368	if (CHECK_GEOM_OPS("tile"))
369	{	264	{
370	w = h = noScale;	265	w = h = noScale;
371	geom_flags |= WidthValue|HeightValue;	266	geom_flags |= WidthValue|HeightValue;
372	}	267	}
373	else if (CHECK_GEOM_OPS("propscale"))	268	else if (!strcasecmp (arr[i], "propscale"))
374	{	269	{
375	if (w == 0 && h == 0)	270	new_flags |= BG_PROP_SCALE;
376	{
377	w = windowScale;
378	geom_flags |= WidthValue;
379	}
380	new_flags |= propScale;
381	}	271	}
382	else if (CHECK_GEOM_OPS("hscale"))	272	else if (!strcasecmp (arr[i], "hscale"))
383	{	273	{
384	if (w == 0)
385	w = windowScale;	274	if (w == 0) w = windowScale;
		275
386	h = noScale;	276	h = noScale;
387	geom_flags |= WidthValue|HeightValue;	277	geom_flags |= WidthValue|HeightValue;
388	}	278	}
389	else if (CHECK_GEOM_OPS("vscale"))	279	else if (!strcasecmp (arr[i], "vscale"))
390	{	280	{
391	if (h == 0)
392	h = windowScale;	281	if (h == 0) h = windowScale;
		282
393	w = noScale;	283	w = noScale;
394	geom_flags |= WidthValue|HeightValue;	284	geom_flags |= WidthValue|HeightValue;
395	}	285	}
396	else if (CHECK_GEOM_OPS("scale"))	286	else if (!strcasecmp (arr[i], "scale"))
397	{	287	{
398	if (h == 0)
399	h = windowScale;	288	if (h == 0) h = windowScale;
400	if (w == 0)
401	w = windowScale;	289	if (w == 0) w = windowScale;
		290
402	geom_flags |= WidthValue|HeightValue;	291	geom_flags |= WidthValue|HeightValue;
403	}	292	}
404	else if (CHECK_GEOM_OPS("auto"))	293	else if (!strcasecmp (arr[i], "auto"))
405	{	294	{
406	w = h = windowScale;	295	w = h = windowScale;
407	x = y = centerAlign;	296	x = y = centerAlign;
408	geom_flags |= WidthValue|HeightValue|XValue|YValue;	297	geom_flags |= WidthValue|HeightValue|XValue|YValue;
409	}	298	}
410	else if (CHECK_GEOM_OPS("root"))	299	else if (!strcasecmp (arr[i], "root"))
411	{	300	{
		301	new_flags |= BG_ROOT_ALIGN;
412	w = h = noScale;	302	w = h = noScale;
413	x = y = rootAlign;
414	geom_flags |= WidthValue|HeightValue|XValue|YValue;	303	geom_flags |= WidthValue|HeightValue;
415	}	304	}
416	# undef CHECK_GEOM_OPS
417	while (*ops != ':' && *ops != '\0') ++ops;
418	} /* done parsing ops */	305	} /* done parsing ops */
419	}
420		306
		307	rxvt_free_strsplit (arr);
		308	}
		309
421	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;
422	++changed;
423	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;
424	++changed;
425	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;
426	++changed;
427	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;
428	++changed;
429	}
430		314
431	if (new_flags != flags)	315	if (new_flags != bg_flags)
432	{	316	{
433	flags = new_flags;	317	bg_flags = new_flags;
434	changed++;	318	changed = true;
435	}	319	}
436	//fprintf( stderr, "flags = %lX, scale = %ux%u, align=%+d%+d\n",	320
437	// flags, h_scale, v_scale, h_align, v_align);
438	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;
439	}	362	}
440		363
441	# ifdef HAVE_AFTERIMAGE	364	# ifdef HAVE_AFTERIMAGE
442	bool	365	bool
443	bgPixmap_t::render_asim (ASImage *background, ARGB32 background_tint)	366	rxvt_term::render_image (unsigned long tr_flags)
444	{	367	{
445	if (target == NULL)	368	init_asv ();
446	return false;
447		369
448	int target_width = (int)target->szHint.width;	370	ASImage *background = NULL;
449	int target_height = (int)target->szHint.height;	371	ARGB32 background_tint = TINT_LEAVE_SAME;
450	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
451	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;
452		411
453	int x = 0;	412	int x = 0;
454	int y = 0;	413	int y = 0;
455	int w = h_scale * target_width / 100;	414	int w = 0;
456	int h = v_scale * target_height / 100;	415	int h = 0;
457
458	TIMING_TEST_START (asim);
459		416
460	if (original_asim)	417	if (original_asim)
461	{	418	get_image_geometry (original_asim->width, original_asim->height, w, h, x, y);
462	if (h_align == rootAlign || v_align == rootAlign)
463	{
464	target->get_window_origin(x, y);
465	x = -x;
466	y = -y;
467	}
468	if (h_align != rootAlign)
469	x = make_align_position (h_align, target_width, w > 0 ? w : (int)original_asim->width);
470	if (v_align != rootAlign)
471	y = make_align_position (v_align, target_height, h > 0 ? h : (int)original_asim->height);
472	}
473		419
474	if (original_asim == NULL	420	if (!original_asim
		421	|| (!(bg_flags & BG_ROOT_ALIGN)
475	|| x >= target_width	422	&& (x >= target_width
476	|| y >= target_height	423	|| y >= target_height
477	|| (w > 0 && x + w <= 0)	424	|| (x + w <= 0)
478	|| (h > 0 && y + h <= 0))	425	|| (y + h <= 0))))
479	{	426	{
480	if (background)	427	if (background)
481	{	428	{
482	new_pmap_width = background->width;	429	new_pmap_width = background->width;
483	new_pmap_height = background->height;	430	new_pmap_height = background->height;
484	result = background;	431	result = background;
		432
485	if (background_tint != TINT_LEAVE_SAME)	433	if (background_tint != TINT_LEAVE_SAME)
486	{	434	{
487	ASImage* tmp = tile_asimage (target->asv, background, 0, 0,	435	ASImage *tmp = tile_asimage (asv, background, 0, 0,
488	target_width, target_height, background_tint,	436	target_width, target_height, background_tint,
489	ASA_XImage, 100, ASIMAGE_QUALITY_DEFAULT);	437	ASA_XImage, 100, ASIMAGE_QUALITY_DEFAULT);
490	if (tmp)	438	if (tmp)
491	result = tmp;	439	result = tmp;
492	}	440	}
…		…
495	new_pmap_width = new_pmap_height = 0;	443	new_pmap_width = new_pmap_height = 0;
496	}	444	}
497	else	445	else
498	{	446	{
499	result = original_asim;	447	result = original_asim;
		448
500	if ((w > 0 && w != original_asim->width)	449	if ((w != original_asim->width)
501	|| (h > 0 && h != original_asim->height))	450	|| (h != original_asim->height))
502	{	451	{
503	result = scale_asimage (target->asv, original_asim,	452	result = scale_asimage (asv, original_asim,
504	w > 0 ? w : original_asim->width,	453	w, h,
505	h > 0 ? h : original_asim->height,
506	background ? ASA_ASImage : ASA_XImage,	454	background ? ASA_ASImage : ASA_XImage,
507	100, ASIMAGE_QUALITY_DEFAULT);	455	100, ASIMAGE_QUALITY_DEFAULT);
508	}	456	}
		457
509	if (background == NULL)	458	if (background == NULL)
510	{/* if tiling - pixmap has to be sized exactly as the image,	459	{
511	but there is no need to make it bigger then the window! */
512	if (h_scale == 0)
513	new_pmap_width = min (result->width, target_width);
514	if (v_scale == 0)
515	new_pmap_height = min (result->height, target_height);
516	/* we also need to tile our image in one or both directions */
517	if (h_scale == 0 || v_scale == 0)	460	if (h_scale == 0 || v_scale == 0)
518	{	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 */
519	ASImage *tmp = tile_asimage (target->asv, result,	468	ASImage *tmp = tile_asimage (asv, result,
520	(h_scale > 0) ? 0 : (int)result->width - x,	469	(int)result->width - x,
521	(v_scale > 0) ? 0 : (int)result->height - y,	470	(int)result->height - y,
522	new_pmap_width,	471	new_pmap_width,
523	new_pmap_height,	472	new_pmap_height,
524	TINT_LEAVE_SAME, ASA_XImage,	473	TINT_LEAVE_SAME, ASA_XImage,
525	100, ASIMAGE_QUALITY_DEFAULT);	474	100, ASIMAGE_QUALITY_DEFAULT);
526	if (tmp)	475	if (tmp)
527	{	476	{
528	if (result != original_asim)	477	if (result != original_asim)
529	destroy_asimage (&result);	478	destroy_asimage (&result);
		479
530	result = tmp;	480	result = tmp;
531	}	481	}
532	}	482	}
533	}	483	}
534	else	484	else
		485	{
535	{/* 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 */
536	ASImageLayer *layers = create_image_layers (2);	487	ASImageLayer *layers = create_image_layers (2);
537	ASImage *merged_im = NULL;
538		488
539	layers[0].im = background;	489	layers[0].im = background;
540	layers[0].clip_width = target_width;	490	layers[0].clip_width = target_width;
541	layers[0].clip_height = target_height;	491	layers[0].clip_height = target_height;
542	layers[0].tint = background_tint;	492	layers[0].tint = background_tint;
543	layers[1].im = result;	493	layers[1].im = result;
544	if (w <= 0)	494
		495	if (h_scale == 0 || v_scale == 0)
		496	{
545	{/* tile horizontally */	497	/* tile horizontally */
546	while (x > 0) x -= (int)result->width;	498	while (x > 0) x -= (int)result->width;
547	layers[1].dst_x = x;	499	layers[1].dst_x = x;
548	layers[1].clip_width = result->width+target_width;	500	layers[1].clip_width = result->width+target_width;
549	}	501	}
550	else	502	else
		503	{
551	{/* clip horizontally */	504	/* clip horizontally */
552	layers[1].dst_x = x;	505	layers[1].dst_x = x;
553	layers[1].clip_width = result->width;	506	layers[1].clip_width = result->width;
554	}	507	}
555	if (h <= 0)	508
		509	if (h_scale == 0 || v_scale == 0)
556	{	510	{
557	while (y > 0) y -= (int)result->height;	511	while (y > 0) y -= (int)result->height;
558	layers[1].dst_y = y;	512	layers[1].dst_y = y;
559	layers[1].clip_height = result->height + target_height;	513	layers[1].clip_height = result->height + target_height;
560	}	514	}
561	else	515	else
562	{	516	{
563	layers[1].dst_y = y;	517	layers[1].dst_y = y;
564	layers[1].clip_height = result->height;	518	layers[1].clip_height = result->height;
565	}	519	}
		520
566	if (target->rs[Rs_blendtype])	521	if (rs[Rs_blendtype])
567	{	522	{
568	layers[1].merge_scanlines = blend_scanlines_name2func (target->rs[Rs_blendtype]);	523	layers[1].merge_scanlines = blend_scanlines_name2func (rs[Rs_blendtype]);
569	if (layers[1].merge_scanlines == NULL)	524	if (layers[1].merge_scanlines == NULL)
570	layers[1].merge_scanlines = alphablend_scanlines;	525	layers[1].merge_scanlines = alphablend_scanlines;
571	}	526	}
		527
572	ASImage *tmp = merge_layers (target->asv, layers, 2, target_width, target_height,	528	ASImage *tmp = merge_layers (asv, layers, 2, target_width, target_height,
573	ASA_XImage, 0, ASIMAGE_QUALITY_DEFAULT);	529	ASA_XImage, 0, ASIMAGE_QUALITY_DEFAULT);
		530
574	if (tmp)	531	if (tmp)
575	{	532	{
576	if (result != original_asim)	533	if (result != original_asim)
577	destroy_asimage (&result);	534	destroy_asimage (&result);
		535
578	result = tmp;	536	result = tmp;
579	}	537	}
		538
580	free (layers);	539	free (layers);
581	}	540	}
582	}	541	}
583	TIMING_TEST_PRINT_RESULT (asim);
584		542
585	if (pixmap)	543	bool ret = false;
586	{
587	if (result == NULL
588	|| pmap_width != new_pmap_width
589	|| pmap_height != new_pmap_height
590	|| pmap_depth != target->depth)
591	{
592	XFreePixmap (target->dpy, pixmap);
593	pixmap = None;
594	}
595	}
596		544
597	if (result)	545	if (result)
598	{	546	{
599	XGCValues gcv;	547	XGCValues gcv;
600	GC gc;	548	GC gc;
601		549
602	/* create Pixmap */	550	/* create Pixmap */
603	if (pixmap == None)	551	if (bg_pixmap == None
		552	|| bg_pmap_width != new_pmap_width
		553	|| bg_pmap_height != new_pmap_height)
604	{	554	{
		555	if (bg_pixmap)
		556	XFreePixmap (dpy, bg_pixmap);
605	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);
606	pmap_width = new_pmap_width;	558	bg_pmap_width = new_pmap_width;
607	pmap_height = new_pmap_height;	559	bg_pmap_height = new_pmap_height;
608	pmap_depth = target->depth;
609	}	560	}
610	/* fill with background color ( if result's not completely overlapping it)*/	561	/* fill with background color (if result's not completely overlapping it) */
611	gcv.foreground = target->pix_colors[Color_bg];	562	gcv.foreground = pix_colors[Color_bg];
612	gc = XCreateGC (target->dpy, target->vt, GCForeground, &gcv);	563	gc = XCreateGC (dpy, vt, GCForeground, &gcv);
613		564
614	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;
615	int dst_width = result->width, dst_height = result->height;	566	int dst_width = result->width, dst_height = result->height;
616	if (background == NULL)	567	if (background == NULL)
617	{	568	{
618	if (h_scale > 0)	569	if (!(h_scale == 0 || v_scale == 0))
		570	{
619	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 );
620	if (v_scale > 0)
621	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	}
622		574
623	if (dst_x > 0 || dst_y > 0	575	if (dst_x > 0 || dst_y > 0
624	|| dst_x + dst_width < new_pmap_width	576	|| dst_x + dst_width < new_pmap_width
625	|| dst_y + dst_height < new_pmap_height)	577	|| dst_y + dst_height < new_pmap_height)
626	{
627	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);
628	}
629	}	579	}
630		580
631	/* put result on pixmap */	581	/* put result on pixmap */
632	if (dst_x < new_pmap_width && dst_y < new_pmap_height)	582	if (dst_x < new_pmap_width && dst_y < new_pmap_height)
633	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);
634		584
635	if (result != background && result != original_asim)	585	if (result != background && result != original_asim)
636	destroy_asimage (&result);	586	destroy_asimage (&result);
637		587
638	XFreeGC (target->dpy, gc);	588	XFreeGC (dpy, gc);
639	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)
640	}	646	{
		647	free (data);
		648	return false;
		649	}
641		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);
642	return true;	681	return true;
643	}	682	}
644	# endif /* HAVE_AFTERIMAGE */
645		683
646	bool	684	bool
647	bgPixmap_t::set_file (const char *file)	685	rxvt_term::render_image (unsigned long tr_flags)
648	{	686	{
649	char *f;	687	if (!pixbuf)
		688	return false;
650		689
651	assert (file != NULL);	690	if (tr_flags
		691	&& !(bg_flags & BG_HAS_RENDER))
		692	return false;
652		693
653	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);
654	{	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
655	# ifdef HAVE_AFTERIMAGE	868	# ifdef HAVE_AFTERIMAGE
656	if (target->asimman == NULL)	869	if (!asimman)
657	target->asimman = create_generic_imageman (target->rs[Rs_path]);	870	asimman = create_generic_imageman (rs[Rs_path]);
658	if ((f = strchr (file, ';')) == NULL)
659	original_asim = get_asimage (target->asimman, file, 0xFFFFFFFF, 100);	871	ASImage *image = get_asimage (asimman, file, 0xFFFFFFFF, 100);
660	else	872	if (image)
661	{	873	{
662	size_t len = f - file;	874	if (original_asim)
663	f = (char *)malloc (len + 1);	875	safe_asimage_destroy (original_asim);
664	strncpy (f, file, len);	876	original_asim = image;
665	f[len] = '\0';	877	bg_flags |= BG_IS_FROM_FILE | BG_CLIENT_RENDER;
666	original_asim = get_asimage (target->asimman, f, 0xFFFFFFFF, 100);	878	return true;
667	free (f);	879	}
668	}
669	return (original_asim != NULL);
670	# endif	880	# endif
		881
		882	# ifdef HAVE_PIXBUF
		883	GdkPixbuf *image = gdk_pixbuf_new_from_file (file, NULL);
		884	if (image)
671	}	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
672	return false;	894	return false;
673	}	895	}
674		896
675	# endif /* BG_IMAGE_FROM_FILE */	897	# endif /* BG_IMAGE_FROM_FILE */
676		898
677	# ifdef ENABLE_TRANSPARENCY	899	# ifdef ENABLE_TRANSPARENCY
678	bool	900	bool
679	bgPixmap_t::set_transparent ()	901	rxvt_term::bg_set_transparent ()
680	{	902	{
681	if (!(flags & isTransparent))	903	if (!(bg_flags & BG_IS_TRANSPARENT))
682	{	904	{
683	flags |= isTransparent;	905	bg_flags |= BG_IS_TRANSPARENT;
684	return true;	906	return true;
685	}	907	}
		908
686	return false;	909	return false;
687	}	910	}
688		911
689	bool	912	bool
690	bgPixmap_t::set_blur_radius (const char *geom)	913	rxvt_term::bg_set_blur (const char *geom)
691	{	914	{
692	int changed = 0;	915	bool changed = false;
693	unsigned int hr, vr;	916	unsigned int hr, vr;
694	int junk;	917	int junk;
695	int geom_flags = XParseGeometry (geom, &junk, &junk, &hr, &vr);	918	int geom_flags = XParseGeometry (geom, &junk, &junk, &hr, &vr);
696		919
697	if (!(geom_flags&WidthValue))	920	if (!(geom_flags & WidthValue))
698	hr = 1;	921	hr = 1;
699	if (!(geom_flags&HeightValue))	922	if (!(geom_flags & HeightValue))
700	vr = hr;	923	vr = hr;
701		924
		925	min_it (hr, 128);
		926	min_it (vr, 128);
		927
702	if (h_blurRadius != hr)	928	if (h_blurRadius != hr)
703	{	929	{
704	++changed;	930	changed = true;
705	h_blurRadius = hr;	931	h_blurRadius = hr;
706	}	932	}
707		933
708	if (v_blurRadius != vr)	934	if (v_blurRadius != vr)
709	{	935	{
710	++changed;	936	changed = true;
711	v_blurRadius = vr;	937	v_blurRadius = vr;
712	}	938	}
713		939
714	if (v_blurRadius == 0 && h_blurRadius == 0)	940	if (v_blurRadius == 0 && h_blurRadius == 0)
715	flags &= ~blurNeeded;	941	bg_flags &= ~BG_NEEDS_BLUR;
716	else	942	else
717	flags |= blurNeeded;	943	bg_flags |= BG_NEEDS_BLUR;
718		944
719	return (changed>0);	945	return changed;
720	}	946	}
721		947
722	static inline unsigned long	948	static inline unsigned long
723	compute_tint_shade_flags (rxvt_color *tint, int shade)	949	compute_tint_shade_flags (rxvt_color *tint, int shade)
724	{	950	{
725	unsigned long flags = 0;	951	unsigned long flags = 0;
726	rgba c (rgba::MAX_CC,rgba::MAX_CC,rgba::MAX_CC);	952	rgba c (rgba::MAX_CC,rgba::MAX_CC,rgba::MAX_CC);
727	bool has_shade = (shade > 0 && shade < 100) || (shade > 100 && shade < 200);	953	bool has_shade = shade != 100;
728		954
729	if (tint)	955	if (tint)
730	{	956	{
731	tint->get (c);	957	tint->get (c);
732	# define IS_COMPONENT_WHOLESOME(cmp) ((cmp) <= 0x000700 || (cmp) >= 0x00f700)
733	if (!has_shade && IS_COMPONENT_WHOLESOME (c.r)
734	&& IS_COMPONENT_WHOLESOME (c.g)
735	&& IS_COMPONENT_WHOLESOME (c.b))
736	flags |= bgPixmap_t::tintWholesome;
737	# undef IS_COMPONENT_WHOLESOME
738	}
739
740	if (has_shade)	958	if (!has_shade
741	flags |= bgPixmap_t::tintNeeded;	959	&& (c.r <= 0x00ff || c.r >= 0xff00)
742	else if (tint)	960	&& (c.g <= 0x00ff || c.g >= 0xff00)
743	{	961	&& (c.b <= 0x00ff || c.b >= 0xff00))
744	if ((c.r > 0x000700 || c.g > 0x000700 || c.b > 0x000700)	962	flags |= rxvt_term::BG_TINT_BITAND;
745	&& (c.r < 0x00f700 || c.g < 0x00f700 || c.b < 0x00f700))
746	{
747	flags |= bgPixmap_t::tintNeeded;
748	}	963	}
749	}
750		964
751	if (flags & bgPixmap_t::tintNeeded)	965	if (has_shade || tint)
752	{	966	flags |= rxvt_term::BG_NEEDS_TINT;
753	if (flags & bgPixmap_t::tintWholesome)
754	flags |= bgPixmap_t::tintServerSide;
755	else
756	{
757	#if XFT
758	flags |= bgPixmap_t::tintServerSide;
759	#endif
760	}
761	}
762		967
763	return flags;	968	return flags;
764	}	969	}
765		970
766	bool	971	bool
767	bgPixmap_t::set_tint (rxvt_color &new_tint)	972	rxvt_term::bg_set_tint (rxvt_color &new_tint)
768	{	973	{
769	if (tint != new_tint)	974	if (!(bg_flags & BG_TINT_SET) || tint != new_tint)
770	{	975	{
771	unsigned long new_flags = compute_tint_shade_flags (&new_tint, shade);	976	unsigned long new_flags = compute_tint_shade_flags (&new_tint, shade);
772	tint = new_tint;	977	tint = new_tint;
773	flags = (flags & ~tintFlags) | new_flags | tintSet;	978	bg_flags = (bg_flags & ~BG_TINT_FLAGS) | new_flags | BG_TINT_SET;
774	return true;	979	return true;
775	}	980	}
		981
776	return false;	982	return false;
777	}	983	}
778		984
779	bool	985	bool
780	bgPixmap_t::unset_tint ()	986	rxvt_term::bg_set_shade (const char *shade_str)
781	{	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	{
782	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);
783		997	shade = new_shade;
784	if (new_flags != (flags & tintFlags))	998	bg_flags = (bg_flags & ~BG_TINT_FLAGS) | new_flags;
785	{
786	flags = (flags&~tintFlags)|new_flags;
787	return true;	999	return true;
788	}	1000	}
		1001
789	return false;	1002	return false;
790	}	1003	}
791		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
792	bool	1028	bool
793	bgPixmap_t::set_shade (const char *shade_str)	1029	rxvt_term::blur_pixmap (Pixmap pixmap, Visual *visual, int width, int height)
794	{	1030	{
795	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));
796		1036
797	if (new_shade < 0 && new_shade > -100)	1037	XRenderPictureAttributes pa;
798	new_shade = 200 - (100 + new_shade);	1038	XRenderPictFormat *format = XRenderFindVisualFormat (dpy, visual);
799	else if (new_shade == 100)
800	new_shade = 0;
801		1039
802	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)
803	{	1044	{
804	unsigned long new_flags = compute_tint_shade_flags ((flags & tintSet) ? &tint : NULL, new_shade);	1045	if (h_blurRadius)
805	shade = new_shade;	1046	{
806	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
807	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)
808	}	1097	{
		1098	XGCValues gcv;
		1099	GC gc;
		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
809	return false;	1186	return ret;
810	}	1187	}
811		1188
812	/* make_transparency_pixmap()	1189	/* make_transparency_pixmap()
813	* 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
814	* 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
815	* our window.	1192	* our window.
816	*/	1193	*/
817	unsigned long	1194	unsigned long
818	bgPixmap_t::make_transparency_pixmap ()	1195	rxvt_term::make_transparency_pixmap ()
819	{	1196	{
820	unsigned long result = 0;	1197	unsigned long result = 0;
821		1198
822	if (target == NULL)
823	return 0;
824
825	/* 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
826	* be always up-to-date, so let's use it :	1200	* be always up-to-date, so let's use it :
827	*/	1201	*/
828	Window root = target->display->root;
829	int screen = target->display->screen;	1202	int screen = display->screen;
830	Display *dpy = target->dpy;	1203	int root_depth = DefaultDepth (dpy, screen);
831	int root_width = DisplayWidth (dpy, screen);	1204	int root_width = DisplayWidth (dpy, screen);
832	int root_height = DisplayHeight (dpy, screen);	1205	int root_height = DisplayHeight (dpy, screen);
833	unsigned int root_pmap_width, root_pmap_height;	1206	unsigned int root_pmap_width, root_pmap_height;
834	int window_width = target->szHint.width;	1207	int window_width = szHint.width;
835	int window_height = target->szHint.height;	1208	int window_height = szHint.height;
836	int sx, sy;	1209	int sx, sy;
837	XGCValues gcv;	1210	XGCValues gcv;
		1211	GC gc;
838		1212
839	TIMING_TEST_START (tp);	1213	sx = target_x;
840	target->get_window_origin (sx, sy);	1214	sy = target_y;
841		1215
842	/* 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 : */
843	if (sx + window_width <= 0 || sy + window_height <= 0	1217	if (sx + window_width <= 0 || sy + window_height <= 0
844	|| sx >= root_width || sy >= root_height)	1218	|| sx >= root_width || sy >= root_height)
845	return 0;	1219	return 0;
846		1220
		1221	// validate root pixmap and get its size
847	if (root_pixmap != None)	1222	if (root_pixmap != None)
848	{/* we want to validate the pixmap and get it's size at the same time : */	1223	{
		1224	Window wdummy;
849	int junk;	1225	int idummy;
850	unsigned int ujunk;	1226	unsigned int udummy;
851	/* root pixmap may be bad - allow a error */	1227
852	target->allowedxerror = -1;	1228	allowedxerror = -1;
853		1229
854	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))
855	root_pixmap = None;	1231	root_pixmap = None;
856		1232
857	target->allowedxerror = 0;	1233	allowedxerror = 0;
		1234	}
		1235
		1236	Pixmap recoded_root_pmap = root_pixmap;
		1237
		1238	if (root_pixmap != None && root_depth != depth)
858	}	1239	{
		1240	#if XRENDER
		1241	if (bg_flags & BG_HAS_RENDER)
		1242	{
		1243	XRenderPictureAttributes pa;
859		1244
860	Pixmap tiled_root_pmap = XCreatePixmap (dpy, root, window_width, window_height, root_depth);	1245	XRenderPictFormat *src_format = XRenderFindVisualFormat (dpy, DefaultVisual (dpy, screen));
861	GC gc = NULL;	1246	Picture src = XRenderCreatePicture (dpy, root_pixmap, src_format, 0, &pa);
862		1247
863	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)
864	return 0;	1269	return 0;
865		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
866	if (root_pixmap == None)	1282	if (bg_pixmap == None)
867	{	1283	return 0;
868	/* use tricks to obtain the root background image :*/
869	/* we want to create Overrideredirect window overlapping out window
870	with background type of Parent Relative and then grab it */
871	XSetWindowAttributes attr;
872	Window src;
873	bool success = false;
874		1284
875	attr.background_pixmap = ParentRelative;
876	attr.backing_store = Always;
877	attr.event_mask = ExposureMask;
878	attr.override_redirect = True;
879	src = XCreateWindow (dpy, root, sx, sy, window_width, window_height, 0,
880	CopyFromParent, CopyFromParent, CopyFromParent,
881	CWBackPixmap|CWBackingStore|CWOverrideRedirect|CWEventMask,
882	&attr);
883
884	if (src != None)
885	{
886	XEvent event;
887	int ev_count = 0;
888	XGrabServer (dpy);
889	XMapRaised (dpy, src);
890	XSync (dpy, False);
891
892	/* XSync should get window where it's properly exposed,
893	* but to be on the safe side - let's check for the actuall event to arrive : */
894	while (XCheckWindowEvent (dpy, src, ExposureMask, &event))
895	++ev_count;
896
897	if (ev_count > 0);
898	{
899	/* hooray! - we can grab the image! */
900	gc = XCreateGC (dpy, root, 0, NULL);
901	if (gc)
902	{
903	XCopyArea (dpy, src, tiled_root_pmap, gc, 0, 0, window_width, window_height, 0, 0);
904	success = true;
905	}
906	}
907	XDestroyWindow (dpy, src);
908	XUngrabServer (dpy);
909	//fprintf (stderr, "%s:%d: ev_count = %d\n", __FUNCTION__, __LINE__, ev_count);
910	}
911
912	if (!success)
913	{
914	XFreePixmap (dpy, tiled_root_pmap);
915	tiled_root_pmap = None;
916	}
917	else
918	result |= transpPmapTiled;
919	}
920	else
921	{/* strightforward pixmap copy */	1285	/* straightforward pixmap copy */
922	gcv.tile = root_pixmap;
923	gcv.fill_style = FillTiled;
924
925	while (sx < 0) sx += (int)root_width;	1286	while (sx < 0) sx += (int)root_width;
926	while (sy < 0) sy += (int)root_height;	1287	while (sy < 0) sy += (int)root_height;
927		1288
		1289	gcv.tile = recoded_root_pmap;
		1290	gcv.fill_style = FillTiled;
928	gcv.ts_x_origin = -sx;	1291	gcv.ts_x_origin = -sx;
929	gcv.ts_y_origin = -sy;	1292	gcv.ts_y_origin = -sy;
930	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);
931		1386
932	if (gc)	1387	if (gc)
933	{	1388	{
934	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);
935	result |= transpPmapTiled;
936	}
937	}
938	TIMING_TEST_PRINT_RESULT (tp);
939		1390
940	if (tiled_root_pmap != None)	1391	XFreeGC (dpy, gc);
941	{	1392	bg_flags |= BG_IS_VALID;
942	if (!need_client_side_rendering ())
943	{	1393	}
944	if ((flags & tintNeeded))
945	{
946	if (flags & tintWholesome)
947	{
948	/* In this case we can tint image server-side getting significant
949	* performance improvements, as we eliminate XImage transfer
950	*/
951	gcv.foreground = Pixel (tint);
952	gcv.function = GXand;
953	gcv.fill_style = FillSolid;
954	if (gc)
955	XChangeGC (dpy, gc, GCFillStyle | GCForeground | GCFunction, &gcv);
956	else
957	gc = XCreateGC (dpy, root, GCFillStyle | GCForeground | GCFunction, &gcv);
958	if (gc)
959	{
960	XFillRectangle (dpy, tiled_root_pmap, gc, 0, 0, window_width, window_height);
961	result |= transpPmapTinted;
962	}
963	}
964	else
965	{
966	# if XFT
967	Picture back_pic = 0;
968	rgba c (rgba::MAX_CC,rgba::MAX_CC,rgba::MAX_CC);
969		1394
970	if (flags & tintSet)	1395	XDestroyImage (result);
971	tint.get (c);
972
973	if (shade > 0 && shade < 100)
974	{
975	c.r = (c.r * shade) / 100;
976	c.g = (c.g * shade) / 100;
977	c.b = (c.b * shade) / 100;
978	}
979	else if( shade > 100 && shade < 200)
980	{
981	c.r = (c.r * (200 - shade)) / 100;
982	c.g = (c.g * (200 - shade)) / 100;
983	c.b = (c.b * (200 - shade)) / 100;
984	}
985
986	XRenderPictFormat pf;
987	pf.type = PictTypeDirect;
988	pf.depth = 32;
989	pf.direct.redMask = 0xff;
990	pf.direct.greenMask = 0xff;
991	pf.direct.blueMask = 0xff;
992	pf.direct.alphaMask = 0xff;
993
994	XRenderPictFormat *solid_format = XRenderFindFormat (dpy,
995	(PictFormatType|
996	PictFormatDepth|
997	PictFormatRedMask|
998	PictFormatGreenMask|
999	PictFormatBlueMask|
1000	PictFormatAlphaMask),
1001	&pf,
1002	0);
1003	XRenderPictFormat *root_format = XRenderFindVisualFormat (dpy, DefaultVisualOfScreen (ScreenOfDisplay (dpy, target->display->screen)));
1004	XRenderPictureAttributes pa ;
1005
1006	back_pic = XRenderCreatePicture (dpy, tiled_root_pmap, root_format, 0, &pa);
1007
1008	pa.repeat = True;
1009
1010	Pixmap overlay_pmap = XCreatePixmap (dpy, root, 1, 1, 32);
1011	Picture overlay_pic = XRenderCreatePicture (dpy, overlay_pmap, solid_format, CPRepeat, &pa);
1012	XFreePixmap (dpy, overlay_pmap);
1013
1014	pa.component_alpha = True;
1015	Pixmap mask_pmap = XCreatePixmap (dpy, root, 1, 1, 32);
1016	Picture mask_pic = XRenderCreatePicture (dpy, mask_pmap, solid_format, CPRepeat|CPComponentAlpha, &pa);
1017	XFreePixmap (dpy, mask_pmap);
1018
1019	if (mask_pic && overlay_pic && back_pic)
1020	{
1021	XRenderColor mask_c;
1022
1023	memset (&mask_c, (shade > 100) ? 0xFF : 0x0, sizeof (mask_c));
1024	mask_c.alpha = 0xffff;
1025	XRenderFillRectangle (dpy, PictOpSrc, overlay_pic, &mask_c, 0, 0, 1, 1);
1026
1027	mask_c.alpha = 0;
1028	mask_c.red = 0xffff - c.r;
1029	mask_c.green = 0xffff - c.g;
1030	mask_c.blue = 0xffff - c.b;
1031	XRenderFillRectangle (dpy, PictOpSrc, mask_pic, &mask_c, 0, 0, 1, 1);
1032	XRenderComposite (dpy, PictOpOver, overlay_pic, mask_pic, back_pic, 0, 0, 0, 0, 0, 0, window_width, window_height);
1033	result |= transpPmapTinted;
1034	}
1035	XRenderFreePicture (dpy, mask_pic);
1036	XRenderFreePicture (dpy, overlay_pic);
1037	XRenderFreePicture (dpy, back_pic);
1038	# if DO_TIMING_TEST
1039	XSync (dpy, False);
1040	# endif
1041	# endif
1042	}
1043	}
1044	} /* server side rendering completed */
1045
1046	if (pixmap)
1047	XFreePixmap (dpy, pixmap);
1048
1049	pixmap = tiled_root_pmap;
1050	pmap_width = window_width;
1051	pmap_height = window_height;
1052	pmap_depth = root_depth;
1053	}
1054
1055	if (gc)
1056	XFreeGC (dpy, gc);
1057
1058	TIMING_TEST_PRINT_RESULT (tp);
1059
1060	return result;
1061	}
1062
1063	bool
1064	bgPixmap_t::set_root_pixmap ()
1065	{
1066	Pixmap new_root_pixmap = None;
1067
1068	new_root_pixmap = target->get_pixmap_property (XA_XROOTPMAP_ID);
1069	if (new_root_pixmap == None)
1070	new_root_pixmap = target->get_pixmap_property (XA_ESETROOT_PMAP_ID);
1071
1072	if (new_root_pixmap != root_pixmap)
1073	{	1396	}
1074	root_pixmap = new_root_pixmap;
1075	return true;
1076	}
1077	return false;
1078	}
1079	# endif /* ENABLE_TRANSPARENCY */
1080
1081	# ifndef HAVE_AFTERIMAGE
1082	static void ShadeXImage(rxvt_term *term, XImage* srcImage, int shade, int rm, int gm, int bm);
1083	# endif	1397	# endif
1084		1398
1085		1399	if (!(bg_flags & BG_IS_VALID))
1086	bool
1087	bgPixmap_t::render ()
1088	{
1089	unsigned long background_flags = 0;
1090
1091	if (target == NULL)
1092	return false;
1093
1094	TIMING_TEST_START (tp);
1095
1096	invalidate();
1097	# ifdef ENABLE_TRANSPARENCY
1098	if (flags & isTransparent)
1099	{
1100	/* we need to re-generate transparency pixmap in that case ! */
1101	background_flags = make_transparency_pixmap ();
1102	if (background_flags == 0)
1103	return false;
1104	else if ((background_flags & transpTransformations) == (flags & transpTransformations)
1105	&& pmap_depth == target->depth)
1106	flags = flags & ~isInvalid;
1107	}	1400	{
1108	# endif
1109
1110	XImage *result = NULL;
1111	# ifdef HAVE_AFTERIMAGE
1112	if (original_asim
1113	|| (background_flags & transpTransformations) != (flags & transpTransformations))
1114	{
1115	ASImage *background = NULL;
1116	ARGB32 as_tint = TINT_LEAVE_SAME;
1117	if (background_flags)
1118	background = pixmap2ximage (target->asv, pixmap, 0, 0, pmap_width, pmap_height, AllPlanes, 100);
1119
1120	# ifdef ENABLE_TRANSPARENCY
1121	if (!(background_flags & transpPmapTinted) && (flags & tintNeeded))
1122	{
1123	ShadingInfo as_shade;
1124	as_shade.shading = (shade == 0) ? 100 : shade;
1125
1126	rgba c (rgba::MAX_CC,rgba::MAX_CC,rgba::MAX_CC);
1127	if (flags & tintSet)
1128	tint.get (c);
1129	as_shade.tintColor.red = c.r;
1130	as_shade.tintColor.green = c.g;
1131	as_shade.tintColor.blue = c.b;
1132
1133	as_tint = shading2tint32 (&as_shade);
1134	}
1135	if (!(background_flags & transpPmapBlured) && (flags & blurNeeded) && background != NULL)
1136	{
1137	ASImage* tmp = blur_asimage_gauss (target->asv, background, h_blurRadius, v_blurRadius, 0xFFFFFFFF,
1138	(original_asim == NULL || tint == TINT_LEAVE_SAME)?ASA_XImage:ASA_ASImage,
1139	100, ASIMAGE_QUALITY_DEFAULT);
1140	if (tmp)
1141	{
1142	destroy_asimage (&background);
1143	background = tmp;
1144	}
1145	}
1146	# endif
1147
1148	if (render_asim (background, as_tint))
1149	flags = flags & ~isInvalid;
1150	if (background)
1151	destroy_asimage (&background);
1152	}
1153	else if (background_flags && pmap_depth != target->depth)
1154	{
1155	result = XGetImage (target->dpy, pixmap, 0, 0, pmap_width, pmap_height, AllPlanes, ZPixmap);
1156	}
1157
1158	# elif !XFT /* our own client-side tinting */
1159
1160	/* ATTENTION: We ASSUME that XFT will let us do all the tinting neccessary server-side.
1161	This may need to be changed in need_client_side_rendering() logic is altered !!! */
1162
1163	if (background_flags && (flags & isInvalid))
1164	{
1165	result = XGetImage (target->dpy, pixmap, 0, 0, pmap_width, pmap_height, AllPlanes, ZPixmap);
1166	if (result != NULL && !(background_flags & transpPmapTinted) && (flags & tintNeeded))
1167	{
1168	rgba c (rgba::MAX_CC,rgba::MAX_CC,rgba::MAX_CC);
1169	if (flags & tintSet)
1170	tint.get (c);
1171	ShadeXImage (target, result, shade, c.r, c.g, c.b);
1172	}
1173	}
1174	# endif /* HAVE_AFTERIMAGE */
1175
1176	if (result != NULL)
1177	{
1178	GC gc = XCreateGC (target->dpy, target->vt, 0UL, NULL);
1179	if (gc)
1180	{
1181	if (/*pmap_depth != target->depth &&*/ pixmap != None)
1182	{
1183	XFreePixmap (target->dpy, pixmap);
1184	pixmap = None;
1185	}
1186	if (pixmap == None)
1187	{
1188	pixmap = XCreatePixmap (target->dpy, target->vt, result->width, result->height, target->depth);
1189	pmap_width = result->width;
1190	pmap_height = result->height;
1191	pmap_depth = target->depth;
1192	}
1193	if (pmap_depth != result->depth)
1194	{
1195	/* Bad Match error will ensue ! stupid X !!!! */
1196	if( result->depth == 24 && pmap_depth == 32)
1197	result->depth = 32;
1198	else if( result->depth == 32 && pmap_depth == 24)
1199	result->depth = 24;
1200	else
1201	{
1202	/* TODO: implement image recoding */
1203	}
1204	}
1205	if (pmap_depth == result->depth)
1206	XPutImage (target->dpy, pixmap, gc, result, 0, 0, 0, 0, result->width, result->height);
1207	XFreeGC (target->dpy, gc);
1208	flags = flags & ~isInvalid;
1209	}
1210	XDestroyImage (result);
1211	}
1212
1213	if (flags & isInvalid)
1214	{
1215	if (pixmap != None)	1401	if (bg_pixmap != None)
1216	{	1402	{
1217	XFreePixmap (target->dpy, pixmap);	1403	XFreePixmap (dpy, bg_pixmap);
1218	pixmap = None;	1404	bg_pixmap = None;
1219	}	1405	}
1220	}	1406	}
1221		1407
1222	apply ();	1408	scr_recolour (false);
		1409	bg_flags |= BG_NEEDS_REFRESH;
1223		1410
1224	TIMING_TEST_PRINT_RESULT (tp);	1411	bg_valid_since = ev::now ();
1225		1412
1226	return true;	1413	return true;
1227	}	1414	}
1228		1415
1229	bool
1230	bgPixmap_t::set_target (rxvt_term *new_target)
1231	{
1232	if (new_target)
1233	if (target != new_target)
1234	{
1235	target = new_target;
1236	# ifdef ENABLE_TRANSPARENCY
1237	root_depth = DefaultDepthOfScreen (ScreenOfDisplay (target->dpy, target->display->screen));
1238	# endif
1239	return true;
1240	}
1241	return false;
1242	}
1243
1244	void	1416	void
1245	bgPixmap_t::apply()	1417	rxvt_term::bg_init ()
1246	{	1418	{
1247	if (target)
1248	{
1249	flags &= ~isVtOrigin;
1250	if (pixmap != None)
1251	{
1252	/* set target's background to pixmap */
1253	# ifdef ENABLE_TRANSPARENCY	1419	#ifdef ENABLE_TRANSPARENCY
1254	if (flags & isTransparent)	1420	shade = 100;
1255	{
1256	XSetWindowBackgroundPixmap (target->dpy, target->parent[0], pixmap);
1257	XSetWindowBackgroundPixmap (target->dpy, target->vt, ParentRelative);
1258	# if HAVE_SCROLLBARS
1259	if (target->scrollBar.win)
1260	XSetWindowBackgroundPixmap (target->dpy, target->scrollBar.win, ParentRelative);
1261	# endif
1262	}
1263	else
1264	# endif	1421	#endif
1265	{	1422
1266	flags |= isVtOrigin;	1423	bg_flags &= ~(BG_HAS_RENDER | BG_HAS_RENDER_CONV);
1267	/* force old pixmap dereference in case it was transparent before :*/	1424	#if XRENDER
1268	XSetWindowBackground (target->dpy, target->parent[0], target->pix_colors[Color_border]);	1425	int major, minor;
1269	XSetWindowBackgroundPixmap (target->dpy, target->vt, pixmap);	1426	if (XRenderQueryVersion (dpy, &major, &minor))
1270	/* do we also need to set scrollbar's background here ? */	1427	bg_flags |= BG_HAS_RENDER;
1271	# if HAVE_SCROLLBARS	1428	XFilters *filters = XRenderQueryFilters (dpy, vt);
1272	if (target->scrollBar.win)	1429	if (filters)
1273	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	}
1274	# endif	1437	#endif
1275	}
1276	}
1277	else
1278	{
1279	/* set target background to a pixel */
1280	XSetWindowBackground (target->dpy, target->parent[0], target->pix_colors[Color_border]);
1281	XSetWindowBackground (target->dpy, target->vt, target->pix_colors[Color_bg]);
1282	/* do we also need to set scrollbar's background here ? */
1283	# if HAVE_SCROLLBARS
1284	if (target->scrollBar.win)
1285	XSetWindowBackground (target->dpy, target->scrollBar.win, target->pix_colors[Color_border]);
1286	# endif
1287	}
1288	/* don't want Expose on the parent or vt. It is better to use
1289	scr_touch or we get a great deal of flicker otherwise: */
1290	XClearWindow (target->dpy, target->parent[0]);
1291
1292	# if HAVE_SCROLLBARS
1293	if (target->scrollBar.win)
1294	{
1295	target->scrollBar.setIdle ();
1296	target->scrollbar_show (0);
1297	}
1298	# endif
1299
1300	target->want_refresh = 1;
1301	flags |= hasChanged;
1302	}
1303	}	1438	}
1304		1439
1305	#endif /* HAVE_BG_PIXMAP */	1440	#endif /* HAVE_BG_PIXMAP */
1306		1441
1307	#if defined(ENABLE_TRANSPARENCY) && !defined(HAVE_AFTERIMAGE) && !XFT	1442	#if defined(ENABLE_TRANSPARENCY) && !defined(HAVE_AFTERIMAGE)
1308	/* taken from aterm-0.4.2 */	1443	/* taken from aterm-0.4.2 */
1309		1444
1310	typedef uint32_t RUINT32T;
1311
1312	static void	1445	static void
1313	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)
1314	{	1447	{
1315	int sh_r, sh_g, sh_b;	1448	int sh_r, sh_g, sh_b;
1316	RUINT32T mask_r, mask_g, mask_b;	1449	uint32_t mask_r, mask_g, mask_b;
1317	RUINT32T *lookup, *lookup_r, *lookup_g, *lookup_b;	1450	uint32_t *lookup, *lookup_r, *lookup_g, *lookup_b;
1318	unsigned int lower_lim_r, lower_lim_g, lower_lim_b;	1451	rgba low;
1319	unsigned int upper_lim_r, upper_lim_g, upper_lim_b;	1452	rgba high;
1320	int i;	1453	int i;
		1454	int host_byte_order = byteorder::big_endian () ? MSBFirst : LSBFirst;
1321		1455
1322	Visual *visual = term->visual;
1323
1324	if (visual->c_class != TrueColor || srcImage->format != ZPixmap) return ;	1456	if (visual->c_class != TrueColor || ximage->format != ZPixmap) return;
1325
1326	if (shade == 0)
1327	shade = 100;
1328		1457
1329	/* for convenience */	1458	/* for convenience */
1330	mask_r = visual->red_mask;	1459	mask_r = visual->red_mask;
1331	mask_g = visual->green_mask;	1460	mask_g = visual->green_mask;
1332	mask_b = visual->blue_mask;	1461	mask_b = visual->blue_mask;
1333		1462
1334	/* boring lookup table pre-initialization */	1463	/* boring lookup table pre-initialization */
1335	switch (srcImage->bits_per_pixel) {	1464	switch (ximage->depth)
		1465	{
1336	case 15:	1466	case 15:
1337	if ((mask_r != 0x7c00) ||	1467	if ((mask_r != 0x7c00) ||
1338	(mask_g != 0x03e0) ||	1468	(mask_g != 0x03e0) ||
1339	(mask_b != 0x001f))	1469	(mask_b != 0x001f))
1340	return;	1470	return;
1341	lookup = (RUINT32T *) malloc (sizeof (RUINT32T)*(32+32+32));	1471	lookup = (uint32_t *) malloc (sizeof (uint32_t)*(32+32+32));
1342	lookup_r = lookup;	1472	lookup_r = lookup;
1343	lookup_g = lookup+32;	1473	lookup_g = lookup+32;
1344	lookup_b = lookup+32+32;	1474	lookup_b = lookup+32+32;
1345	sh_r = 10;	1475	sh_r = 10;
1346	sh_g = 5;	1476	sh_g = 5;
1347	sh_b = 0;	1477	sh_b = 0;
1348	break;	1478	break;
1349	case 16:	1479	case 16:
1350	if ((mask_r != 0xf800) ||	1480	if ((mask_r != 0xf800) ||
1351	(mask_g != 0x07e0) ||	1481	(mask_g != 0x07e0) ||
1352	(mask_b != 0x001f))	1482	(mask_b != 0x001f))
1353	return;	1483	return;
1354	lookup = (RUINT32T *) malloc (sizeof (RUINT32T)*(32+64+32));	1484	lookup = (uint32_t *) malloc (sizeof (uint32_t)*(32+64+32));
1355	lookup_r = lookup;	1485	lookup_r = lookup;
1356	lookup_g = lookup+32;	1486	lookup_g = lookup+32;
1357	lookup_b = lookup+32+64;	1487	lookup_b = lookup+32+64;
1358	sh_r = 11;	1488	sh_r = 11;
1359	sh_g = 5;	1489	sh_g = 5;
1360	sh_b = 0;	1490	sh_b = 0;
1361	break;	1491	break;
1362	case 24:	1492	case 24:
1363	if ((mask_r != 0xff0000) ||	1493	if ((mask_r != 0xff0000) ||
1364	(mask_g != 0x00ff00) ||	1494	(mask_g != 0x00ff00) ||
1365	(mask_b != 0x0000ff))	1495	(mask_b != 0x0000ff))
1366	return;	1496	return;
1367	lookup = (RUINT32T *) malloc (sizeof (RUINT32T)*(256+256+256));	1497	lookup = (uint32_t *) malloc (sizeof (uint32_t)*(256+256+256));
1368	lookup_r = lookup;	1498	lookup_r = lookup;
1369	lookup_g = lookup+256;	1499	lookup_g = lookup+256;
1370	lookup_b = lookup+256+256;	1500	lookup_b = lookup+256+256;
1371	sh_r = 16;	1501	sh_r = 16;
1372	sh_g = 8;	1502	sh_g = 8;
1373	sh_b = 0;	1503	sh_b = 0;
1374	break;	1504	break;
1375	case 32:	1505	case 32:
1376	if ((mask_r != 0xff0000) ||	1506	if ((mask_r != 0xff0000) ||
1377	(mask_g != 0x00ff00) ||	1507	(mask_g != 0x00ff00) ||
1378	(mask_b != 0x0000ff))	1508	(mask_b != 0x0000ff))
1379	return;	1509	return;
1380	lookup = (RUINT32T *) malloc (sizeof (RUINT32T)*(256+256+256));	1510	lookup = (uint32_t *) malloc (sizeof (uint32_t)*(256+256+256));
1381	lookup_r = lookup;	1511	lookup_r = lookup;
1382	lookup_g = lookup+256;	1512	lookup_g = lookup+256;
1383	lookup_b = lookup+256+256;	1513	lookup_b = lookup+256+256;
1384	sh_r = 16;	1514	sh_r = 16;
1385	sh_g = 8;	1515	sh_g = 8;
1386	sh_b = 0;	1516	sh_b = 0;
1387	break;	1517	break;
1388	default:	1518	default:
1389	return; /* we do not support this color depth */	1519	return; /* we do not support this color depth */
1390	}	1520	}
1391		1521
1392	/* prepare limits for color transformation (each channel is handled separately) */	1522	/* prepare limits for color transformation (each channel is handled separately) */
1393	if (shade < 0) {	1523	if (shade > 100)
		1524	{
1394	shade = -shade;	1525	shade = 200 - shade;
1395	if (shade < 0) shade = 0;
1396	if (shade > 100) shade = 100;
1397		1526
1398	lower_lim_r = 65535-rm;	1527	high.r = c.r * shade / 100;
1399	lower_lim_g = 65535-gm;	1528	high.g = c.g * shade / 100;
1400	lower_lim_b = 65535-bm;	1529	high.b = c.b * shade / 100;
1401		1530
1402	lower_lim_r = 65535-(unsigned int)(((RUINT32T)lower_lim_r)*((RUINT32T)shade)/100);	1531	low.r = 65535 * (100 - shade) / 100;
1403	lower_lim_g = 65535-(unsigned int)(((RUINT32T)lower_lim_g)*((RUINT32T)shade)/100);	1532	low.g = 65535 * (100 - shade) / 100;
1404	lower_lim_b = 65535-(unsigned int)(((RUINT32T)lower_lim_b)*((RUINT32T)shade)/100);	1533	low.b = 65535 * (100 - shade) / 100;
1405
1406	upper_lim_r = upper_lim_g = upper_lim_b = 65535;
1407	} else {
1408	if (shade < 0) shade = 0;
1409	if (shade > 100) shade = 100;
1410
1411	lower_lim_r = lower_lim_g = lower_lim_b = 0;
1412
1413	upper_lim_r = (unsigned int)((((RUINT32T)rm)*((RUINT32T)shade))/100);
1414	upper_lim_g = (unsigned int)((((RUINT32T)gm)*((RUINT32T)shade))/100);
1415	upper_lim_b = (unsigned int)((((RUINT32T)bm)*((RUINT32T)shade))/100);
1416	}	1534	}
1417		1535	else
1418	/* switch red and blue bytes if necessary, we need it for some weird XServers like XFree86 3.3.3.1 */
1419	if ((srcImage->bits_per_pixel == 24) && (mask_r >= 0xFF0000 ))
1420	{	1536	{
1421	unsigned int tmp;	1537	high.r = c.r * shade / 100;
		1538	high.g = c.g * shade / 100;
		1539	high.b = c.b * shade / 100;
1422		1540
1423	tmp = lower_lim_r;	1541	low.r = low.g = low.b = 0;
1424	lower_lim_r = lower_lim_b;
1425	lower_lim_b = tmp;
1426
1427	tmp = upper_lim_r;
1428	upper_lim_r = upper_lim_b;
1429	upper_lim_b = tmp;
1430	}	1542	}
1431		1543
1432	/* fill our lookup tables */	1544	/* fill our lookup tables */
1433	for (i = 0; i <= mask_r>>sh_r; i++)	1545	for (i = 0; i <= mask_r>>sh_r; i++)
1434	{	1546	{
1435	RUINT32T tmp;	1547	uint32_t tmp;
1436	tmp = ((RUINT32T)i)*((RUINT32T)(upper_lim_r-lower_lim_r));	1548	tmp = i * high.r;
1437	tmp += ((RUINT32T)(mask_r>>sh_r))*((RUINT32T)lower_lim_r);	1549	tmp += (mask_r>>sh_r) * low.r;
1438	lookup_r[i] = (tmp/65535)<<sh_r;	1550	lookup_r[i] = (tmp/65535)<<sh_r;
1439	}	1551	}
1440	for (i = 0; i <= mask_g>>sh_g; i++)	1552	for (i = 0; i <= mask_g>>sh_g; i++)
1441	{	1553	{
1442	RUINT32T tmp;	1554	uint32_t tmp;
1443	tmp = ((RUINT32T)i)*((RUINT32T)(upper_lim_g-lower_lim_g));	1555	tmp = i * high.g;
1444	tmp += ((RUINT32T)(mask_g>>sh_g))*((RUINT32T)lower_lim_g);	1556	tmp += (mask_g>>sh_g) * low.g;
1445	lookup_g[i] = (tmp/65535)<<sh_g;	1557	lookup_g[i] = (tmp/65535)<<sh_g;
1446	}	1558	}
1447	for (i = 0; i <= mask_b>>sh_b; i++)	1559	for (i = 0; i <= mask_b>>sh_b; i++)
1448	{	1560	{
1449	RUINT32T tmp;	1561	uint32_t tmp;
1450	tmp = ((RUINT32T)i)*((RUINT32T)(upper_lim_b-lower_lim_b));	1562	tmp = i * high.b;
1451	tmp += ((RUINT32T)(mask_b>>sh_b))*((RUINT32T)lower_lim_b);	1563	tmp += (mask_b>>sh_b) * low.b;
1452	lookup_b[i] = (tmp/65535)<<sh_b;	1564	lookup_b[i] = (tmp/65535)<<sh_b;
1453	}	1565	}
1454		1566
1455	/* apply table to input image (replacing colors by newly calculated ones) */	1567	/* apply table to input image (replacing colors by newly calculated ones) */
1456	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)
1457	{	1571	{
1458	case 15:
1459	{
1460	unsigned short *p1, *pf, *p, *pl;	1572	uint32_t *p1, *pf, *p, *pl;
1461	p1 = (unsigned short *) srcImage->data;	1573	p1 = (uint32_t *) ximage->data;
1462	pf = (unsigned short *) (srcImage->data + srcImage->height * srcImage->bytes_per_line);	1574	pf = (uint32_t *) (ximage->data + ximage->height * ximage->bytes_per_line);
		1575
1463	while (p1 < pf)	1576	while (p1 < pf)
1464	{	1577	{
1465	p = p1;	1578	p = p1;
1466	pl = p1 + srcImage->width;	1579	pl = p1 + ximage->width;
1467	for (; p < pl; p++)	1580	for (; p < pl; p++)
1468	{	1581	{
1469	*p = lookup_r[(*p & 0x7c00)>>10] |
1470	lookup_g[(*p & 0x03e0)>> 5] |
1471	lookup_b[(*p & 0x001f)];
1472	}
1473	p1 = (unsigned short *) ((char *) p1 + srcImage->bytes_per_line);
1474	}
1475	break;
1476	}
1477	case 16:
1478	{
1479	unsigned short *p1, *pf, *p, *pl;
1480	p1 = (unsigned short *) srcImage->data;
1481	pf = (unsigned short *) (srcImage->data + srcImage->height * srcImage->bytes_per_line);
1482	while (p1 < pf)
1483	{
1484	p = p1;
1485	pl = p1 + srcImage->width;
1486	for (; p < pl; p++)
1487	{
1488	*p = lookup_r[(*p & 0xf800)>>11] |
1489	lookup_g[(*p & 0x07e0)>> 5] |
1490	lookup_b[(*p & 0x001f)];
1491	}
1492	p1 = (unsigned short *) ((char *) p1 + srcImage->bytes_per_line);
1493	}
1494	break;
1495	}
1496	case 24:
1497	{
1498	unsigned char *p1, *pf, *p, *pl;
1499	p1 = (unsigned char *) srcImage->data;
1500	pf = (unsigned char *) (srcImage->data + srcImage->height * srcImage->bytes_per_line);
1501	while (p1 < pf)
1502	{
1503	p = p1;
1504	pl = p1 + srcImage->width * 3;
1505	for (; p < pl; p += 3)
1506	{
1507	p[0] = lookup_r[(p[0] & 0xff0000)>>16];
1508	p[1] = lookup_r[(p[1] & 0x00ff00)>> 8];
1509	p[2] = lookup_r[(p[2] & 0x0000ff)];
1510	}
1511	p1 = (unsigned char *) ((char *) p1 + srcImage->bytes_per_line);
1512	}
1513	break;
1514	}
1515	case 32:
1516	{
1517	RUINT32T *p1, *pf, *p, *pl;
1518	p1 = (RUINT32T *) srcImage->data;
1519	pf = (RUINT32T *) (srcImage->data + srcImage->height * srcImage->bytes_per_line);
1520
1521	while (p1 < pf)
1522	{
1523	p = p1;
1524	pl = p1 + srcImage->width;
1525	for (; p < pl; p++)
1526	{
1527	*p = lookup_r[(*p & 0xff0000)>>16] |	1582	*p = lookup_r[(*p & 0xff0000) >> 16] |
1528	lookup_g[(*p & 0x00ff00)>> 8] |	1583	lookup_g[(*p & 0x00ff00) >> 8] |
1529	lookup_b[(*p & 0x0000ff)] |	1584	lookup_b[(*p & 0x0000ff)] |
1530	(*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);
1531	}	1600	}
1532	p1 = (RUINT32T *) ((char *) p1 + srcImage->bytes_per_line);
1533	}	1601	}
1534	break;
1535	}
1536	}
1537		1602
1538	free (lookup);	1603	free (lookup);
1539	}	1604	}
1540	#endif /* defined(ENABLE_TRANSPARENCY) && !defined(HAVE_AFTERIMAGE) */	1605	#endif /* defined(ENABLE_TRANSPARENCY) && !defined(HAVE_AFTERIMAGE) */

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