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Comparing rxvt-unicode/src/background.C (file contents):
Revision 1.58 by sf-exg, Fri Sep 3 22:57:31 2010 UTC vs.
Revision 1.153 by sf-exg, Sun May 8 21:07:43 2011 UTC

1	/*----------------------------------------------------------------------*	1	/*----------------------------------------------------------------------*
2	* File: background.C - former xpm.C	2	* File: background.C - former xpm.C
3	*----------------------------------------------------------------------*	3	*----------------------------------------------------------------------*
4	*	4	*
5	* All portions of code are copyright by their respective author/s.	5	* All portions of code are copyright by their respective author/s.
6	* Copyright (c) 2005-2008 Marc Lehmann <pcg@goof.com>	6	* Copyright (c) 2005-2008 Marc Lehmann <schmorp@schmorp.de>
7	* Copyright (c) 2007 Sasha Vasko <sasha@aftercode.net>	7	* Copyright (c) 2007 Sasha Vasko <sasha@aftercode.net>
		8	* Copyright (c) 2010 Emanuele Giaquinta <e.giaquinta@glauco.it>
8	*	9	*
9	* This program is free software; you can redistribute it and/or modify	10	* This program is free software; you can redistribute it and/or modify
10	* it under the terms of the GNU General Public License as published by	11	* it under the terms of the GNU General Public License as published by
11	* the Free Software Foundation; either version 2 of the License, or	12	* the Free Software Foundation; either version 2 of the License, or
12	* (at your option) any later version.	13	* (at your option) any later version.
…		…
19	* You should have received a copy of the GNU General Public License	20	* You should have received a copy of the GNU General Public License
20	* along with this program; if not, write to the Free Software	21	* along with this program; if not, write to the Free Software
21	* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.	22	* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
22	*---------------------------------------------------------------------*/	23	*---------------------------------------------------------------------*/
23		24
		25	#include <cmath>
24	#include "../config.h" /* NECESSARY */	26	#include "../config.h" /* NECESSARY */
25	#include "rxvt.h" /* NECESSARY */	27	#include "rxvt.h" /* NECESSARY */
26		28
27	#define DO_TIMING_TEST 0	29	#if XRENDER
		30	# include <X11/extensions/Xrender.h>
		31	#endif
28		32
29	#if DO_TIMING_TEST	33	#ifndef FilterConvolution
30	# include <sys/time.h>	34	#define FilterConvolution "convolution"
31	#define TIMING_TEST_START(id) \
32	struct timeval timing_test_##id##_stv; \
33	gettimeofday (&timing_test_##id##_stv, NULL);
34
35	#define TIMING_TEST_PRINT_RESULT(id) \
36	do { \
37	struct timeval tv; \
38	gettimeofday (&tv, NULL); \
39	tv.tv_sec -= (timing_test_##id##_stv).tv_sec; \
40	fprintf (stderr, "%s: %s: %d: elapsed %ld usec\n", #id, __FILE__, __LINE__, \
41	tv.tv_sec * 1000000 + tv.tv_usec - (timing_test_##id##_stv).tv_usec); \
42	} while (0)
43
44	#else
45	#define TIMING_TEST_START(id) do {} while (0)
46	#define TIMING_TEST_PRINT_RESULT(id) do {} while (0)
47	#endif	35	#endif
48		36
49	/*	37	/*
50	* Pixmap geometry string interpretation :	38	* Pixmap geometry string interpretation :
51	* Each geometry string contains zero or one scale/position	39	* Each geometry string contains zero or one scale/position
…		…
56	*	44	*
57	* WxH+X+Y Set scaling to W% by H%, and position to X% by Y%.	45	* WxH+X+Y Set scaling to W% by H%, and position to X% by Y%.
58	* W and H are percentages of the terminal window size.	46	* W and H are percentages of the terminal window size.
59	* X and Y are also percentages; e.g., +50+50 centers	47	* X and Y are also percentages; e.g., +50+50 centers
60	* the image in the window.	48	* the image in the window.
61	* WxH+X Assumes Y == X
62	* WxH Assumes Y == X == 50 (centers the image)
63	* W+X+Y Assumes H == W
64	* W+X Assumes H == W and Y == X
65	* W Assumes H == W and Y == X == 50
66	*
67	* Adjusting position only :
68	* =+X+Y Set position to X% by Y% (absolute).
69	* =+X Set position to X% by X%.
70	* +X+Y Adjust position horizontally X% and vertically Y%
71	* from current position (relative).
72	* +X Adjust position horizontally X% and vertically X%
73	* from current position.
74	*
75	* Adjusting scale only :
76	* Wx0 Multiply horizontal scaling factor by W%
77	* 0xH Multiply vertical scaling factor by H%
78	* 0x0 No scaling (show image at normal size).
79	*	49	*
80	* Pixmap Operations : (should be prepended by a colon)	50	* Pixmap Operations : (should be prepended by a colon)
81	* tile Tile image. Scaling/position modifiers above will affect	51	* tile Tile image. Scaling/position modifiers above will affect
82	* the tile size and origin.	52	* the tile size and origin.
83	* propscale When scaling, scale proportionally. That is, maintain the	53	* propscale When scaling, scale proportionally. That is, maintain the
…		…
89	* scale Scale both up and down	59	* scale Scale both up and down
90	* auto Same as 100x100+50+50	60	* auto Same as 100x100+50+50
91	*/	61	*/
92		62
93	#ifdef HAVE_BG_PIXMAP	63	#ifdef HAVE_BG_PIXMAP
94	bgPixmap_t::bgPixmap_t ()
95	{
96	// this is basically redundant as bgPixmap_t is only used in
97	// zero_initialised-derived structs
98	#ifdef HAVE_AFTERIMAGE
99	original_asim = NULL;
100	#endif
101	#ifdef HAVE_PIXBUF
102	pixbuf = NULL;
103	#endif
104	#ifdef BG_IMAGE_FROM_FILE
105	have_image = false;
106	h_scale = v_scale = 0;
107	h_align = v_align = 0;
108	#endif
109	flags = 0;
110	pixmap = None;
111	valid_since = invalid_since = 0;
112	target = 0;
113	}
114
115	void	64	void
116	bgPixmap_t::destroy ()	65	rxvt_term::bg_destroy ()
117	{	66	{
118	#ifdef HAVE_AFTERIMAGE	67	#ifdef HAVE_AFTERIMAGE
119	if (original_asim)	68	if (original_asim)
120	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);
121	#endif	74	#endif
122		75
123	#ifdef HAVE_PIXBUF	76	#ifdef HAVE_PIXBUF
124	if (pixbuf)	77	if (pixbuf)
125	g_object_unref (pixbuf);	78	g_object_unref (pixbuf);
126	#endif	79	#endif
127		80
128	if (pixmap && target)	81	if (bg_pixmap)
129	XFreePixmap (target->dpy, pixmap);	82	XFreePixmap (dpy, bg_pixmap);
130	}	83	}
131		84
132	bool	85	bool
133	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 ()
134	{	101	{
135	# ifdef ENABLE_TRANSPARENCY	102	# ifdef ENABLE_TRANSPARENCY
136	if (flags & isTransparent)	103	if (bg_flags & BG_IS_TRANSPARENT)
137	return true;	104	return true;
138	# endif	105	# endif
139		106
140	# ifdef BG_IMAGE_FROM_FILE	107	# ifdef BG_IMAGE_FROM_FILE
141	if (have_image)	108	if (bg_flags & BG_IS_FROM_FILE)
142	{	109	{
143	if (h_scale != 0 || v_scale != 0	110	if (bg_flags & BG_IS_SIZE_SENSITIVE)
144	|| h_align != 0 || v_align != 0)
145	return true;	111	return true;
146	}	112	}
147	# endif	113	# endif
148		114
149	return false;	115	return false;
150	}	116	}
151		117
152	bool	118	bool
153	bgPixmap_t::window_position_sensitive ()	119	rxvt_term::bg_window_position_sensitive ()
154	{	120	{
155	# ifdef ENABLE_TRANSPARENCY	121	# ifdef ENABLE_TRANSPARENCY
156	if (flags & isTransparent)	122	if (bg_flags & BG_IS_TRANSPARENT)
157	return true;	123	return true;
158	# endif	124	# endif
159		125
160	# ifdef BG_IMAGE_FROM_FILE	126	# ifdef BG_IMAGE_FROM_FILE
161	if (have_image)	127	if (bg_flags & BG_IS_FROM_FILE)
162	{	128	{
163	if (h_align == rootAlign || v_align == rootAlign)	129	if (bg_flags & BG_ROOT_ALIGN)
164	return true;	130	return true;
165	}	131	}
166	# endif	132	# endif
167		133
168	return false;
169	};
170
171	bool bgPixmap_t::need_client_side_rendering ()
172	{
173	# ifdef HAVE_AFTERIMAGE
174	if (original_asim)
175	return true;
176	# endif
177	# ifdef ENABLE_TRANSPARENCY
178	if (flags & isTransparent)
179	{
180	# ifdef HAVE_AFTERIMAGE // can't blur without libAI anyways
181	if ((flags & blurNeeded) && !(flags & blurServerSide))
182	return true;
183	# endif
184	if ((flags & tintNeeded) && !(flags & tintServerSide))
185	return true;
186	}
187	# endif
188	return false;	134	return false;
189	}	135	}
190		136
191	# ifdef BG_IMAGE_FROM_FILE	137	# ifdef BG_IMAGE_FROM_FILE
192	static inline bool	138	static inline bool
…		…
208	static inline bool	154	static inline bool
209	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)
210	{	156	{
211	if (geom_flags & flag)	157	if (geom_flags & flag)
212	{	158	{
213	if (new_value != bgPixmap_t::rootAlign)
214	{
215	if (new_value < -100)	159	if (new_value < -100)
216	new_value = -100;	160	new_value = -100;
217	else if (new_value > 200)	161	else if (new_value > 200)
218	new_value = 200;	162	new_value = 200;
219	}
220	if (new_value != align)	163	if (new_value != align)
221	{	164	{
222	align = new_value;	165	align = new_value;
223	return true;	166	return true;
224	}	167	}
…		…
230	make_align_position (int align, int window_size, int image_size)	173	make_align_position (int align, int window_size, int image_size)
231	{	174	{
232	int diff = window_size - image_size;	175	int diff = window_size - image_size;
233	int smaller = min (image_size, window_size);	176	int smaller = min (image_size, window_size);
234		177
235	if (align >= 0 && align <= 50)	178	if (align >= 0 && align <= 100)
236	return diff * align / 100;	179	return diff * align / 100;
237	else if (align > 50 && align <= 100)
238	return window_size - image_size - diff * (100 - align) / 100;
239	else if (align > 100 && align <= 200 )	180	else if (align > 100 && align <= 200)
240	return ((align - 100) * smaller / 100) + window_size - smaller;	181	return ((align - 100) * smaller / 100) + window_size - smaller;
241	else if (align > -100 && align < 0)	182	else if (align >= -100 && align < 0)
242	return ((align + 100) * smaller / 100) - image_size;	183	return ((align + 100) * smaller / 100) - image_size;
243	return 0;	184	return 0;
244	}	185	}
245		186
246	static inline int	187	static inline int
247	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)
248	{	189	{
249	int src_pos = 0;	190	int src_pos = 0;
250	dst_pos = 0;	191	dst_pos = pos;
251	dst_size = size;	192	dst_size = size;
252	if (pos < 0 && size > target_size)	193	if (pos < 0)
253	{	194	{
254	src_pos = -pos;	195	src_pos = -pos;
		196	dst_pos = 0;
255	dst_size += pos;	197	dst_size += pos;
256	}	198	}
257	else if (pos > 0)
258	dst_pos = pos;
259		199
260	if (dst_pos + dst_size > target_size)	200	if (dst_pos + dst_size > target_size)
261	dst_size = target_size - dst_pos;	201	dst_size = target_size - dst_pos;
262	return src_pos;	202	return src_pos;
263	}	203	}
264		204
265	bool	205	bool
266	bgPixmap_t::set_geometry (const char *geom)	206	rxvt_term::bg_set_geometry (const char *geom, bool update)
267	{	207	{
		208	bool changed = false;
268	int geom_flags = 0, changed = 0;	209	int geom_flags = 0;
269	int x = 0, y = 0;	210	int x = 0, y = 0;
270	unsigned int w = 0, h = 0;	211	unsigned int w = 0, h = 0;
271	unsigned int n;	212	unsigned int n;
272	unsigned long new_flags = (flags & (~geometryFlags));	213	unsigned long new_flags = (bg_flags & (~BG_GEOMETRY_FLAGS));
273	const char *p;	214	const char *ops;
274	# define MAXLEN_GEOM 256 /* could be longer than regular geometry string */
275		215
276	if (geom == NULL)	216	if (geom == NULL)
277	return false;	217	return false;
278		218
279	char str[MAXLEN_GEOM];	219	char str[256];
280		220
281	while (isspace(*geom)) ++geom;
282	if ((p = strchr (geom, ';')) == NULL)
283	p = strchr (geom, '\0');	221	ops = strchr (geom, ':');
284		222	if (ops == NULL)
		223	n = strlen (geom);
		224	else
285	n = (p - geom);	225	n = ops - geom;
286	if (n < MAXLEN_GEOM)
287	{
288	char *ops;
289	new_flags |= geometrySet;
290		226
		227	if (n >= sizeof (str))
		228	return false;
		229
291	memcpy (str, geom, n);	230	memcpy (str, geom, n);
292	str[n] = '\0';	231	str[n] = '\0';
293	if (str[0] == ':')	232	rxvt_strtrim (str);
294	ops = &str[0];
295	else if (str[0] != 'x' && str[0] != 'X' && isalpha(str[0]))
296	ops = &str[0];
297	else
298	{
299	char *tmp;
300	ops = strchr (str, ':');
301	if (ops != NULL)
302	{
303	for (tmp = ops-1; tmp >= str && isspace(*tmp); --tmp);
304	*(++tmp) = '\0';
305	if (ops == tmp) ++ops;
306	}
307	}
308		233
309	if (ops > str || ops == NULL)	234	if (str[0])
310	{	235	{
311	/* 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 */
312	geom_flags = XParseGeometry (str, &x, &y, &w, &h);	237	geom_flags = XParseGeometry (str, &x, &y, &w, &h);
313
314	if ((geom_flags & XValue) && !(geom_flags & YValue))
315	{
316	y = x;
317	geom_flags |= YValue;
318	}
319
320	if (flags & geometrySet)
321	{
322	/* new geometry is an adjustment to the old one ! */
323	if ((geom_flags & WidthValue) && (geom_flags & HeightValue))
324	{
325	if (w == 0 && h != 0)
326	{
327	w = h_scale;
328	h = (v_scale * h) / 100;
329	}
330	else if (h == 0 && w != 0)
331	{
332	w = (h_scale * w) / 100;
333	h = v_scale;
334	}
335	}
336	if (geom_flags & XValue)
337	{
338	if (str[0] != '=')
339	{
340	y += v_align;
341	x += h_align;
342	}
343	}
344	}
345	else /* setting up geometry from scratch */
346	{
347	if (!(geom_flags & XValue))
348	{
349	/* use default geometry - centered */
350	x = y = defaultAlign;
351	}
352	else if (!(geom_flags & YValue))
353	y = x;
354
355	if ((geom_flags & (WidthValue|HeightValue)) == 0)
356	{
357	/* use default geometry - scaled */
358	w = h = defaultScale;
359	}
360	else if (geom_flags & WidthValue)
361	{
362	if (!(geom_flags & HeightValue))
363	h = w;
364	}
365	else
366	w = h;
367	}
368	} /* done parsing geometry string */	238	} /* done parsing geometry string */
369	else if (!(flags & geometrySet))	239
370	{	240	if (!update)
371	/* default geometry - scaled and centered */	241	{
		242	if (!(geom_flags & XValue))
372	x = y = defaultAlign;	243	x = y = defaultAlign;
		244	else if (!(geom_flags & YValue))
		245	y = x;
		246
		247	if (!(geom_flags & (WidthValue|HeightValue)))
373	w = h = defaultScale;	248	w = h = defaultScale;
374	}	249	else if (!(geom_flags & HeightValue))
		250	h = w;
		251	else if (!(geom_flags & WidthValue))
		252	w = h;
375		253
376	if (!(flags & geometrySet))
377	geom_flags |= WidthValue|HeightValue|XValue|YValue;	254	geom_flags |= WidthValue|HeightValue|XValue|YValue;
		255	}
378		256
379	if (ops)	257	if (ops)
380	{	258	{
381	while (*ops)	259	char **arr = rxvt_strsplit (':', ops + 1);
		260
		261	for (int i = 0; arr[i]; i++)
382	{	262	{
383	while (*ops == ':' || isspace(*ops)) ++ops;	263	if (!strcasecmp (arr[i], "tile"))
384
385	# define CHECK_GEOM_OPS(op_str) (strncasecmp (ops, (op_str), sizeof (op_str) - 1) == 0)
386	if (CHECK_GEOM_OPS ("tile"))
387	{	264	{
388	w = h = noScale;	265	w = h = noScale;
389	geom_flags |= WidthValue|HeightValue;	266	geom_flags |= WidthValue|HeightValue;
390	}	267	}
391	else if (CHECK_GEOM_OPS ("propscale"))	268	else if (!strcasecmp (arr[i], "propscale"))
392	{	269	{
393	if (w == 0 && h == 0)	270	new_flags |= BG_PROP_SCALE;
394	{
395	w = windowScale;
396	geom_flags |= WidthValue;
397	}
398	new_flags |= propScale;
399	}	271	}
400	else if (CHECK_GEOM_OPS ("hscale"))	272	else if (!strcasecmp (arr[i], "hscale"))
401	{	273	{
402	if (w == 0) w = windowScale;	274	if (w == 0) w = windowScale;
403		275
404	h = noScale;	276	h = noScale;
405	geom_flags |= WidthValue|HeightValue;	277	geom_flags |= WidthValue|HeightValue;
406	}	278	}
407	else if (CHECK_GEOM_OPS ("vscale"))	279	else if (!strcasecmp (arr[i], "vscale"))
408	{	280	{
409	if (h == 0) h = windowScale;	281	if (h == 0) h = windowScale;
410		282
411	w = noScale;	283	w = noScale;
412	geom_flags |= WidthValue|HeightValue;	284	geom_flags |= WidthValue|HeightValue;
413	}	285	}
414	else if (CHECK_GEOM_OPS ("scale"))	286	else if (!strcasecmp (arr[i], "scale"))
415	{	287	{
416	if (h == 0) h = windowScale;	288	if (h == 0) h = windowScale;
417	if (w == 0) w = windowScale;	289	if (w == 0) w = windowScale;
418		290
419	geom_flags |= WidthValue|HeightValue;	291	geom_flags |= WidthValue|HeightValue;
420	}	292	}
421	else if (CHECK_GEOM_OPS ("auto"))	293	else if (!strcasecmp (arr[i], "auto"))
422	{	294	{
423	w = h = windowScale;	295	w = h = windowScale;
424	x = y = centerAlign;	296	x = y = centerAlign;
425	geom_flags |= WidthValue|HeightValue|XValue|YValue;	297	geom_flags |= WidthValue|HeightValue|XValue|YValue;
426	}	298	}
427	else if (CHECK_GEOM_OPS ("root"))	299	else if (!strcasecmp (arr[i], "root"))
428	{	300	{
		301	new_flags |= BG_ROOT_ALIGN;
429	w = h = noScale;	302	w = h = noScale;
430	x = y = rootAlign;
431	geom_flags |= WidthValue|HeightValue|XValue|YValue;	303	geom_flags |= WidthValue|HeightValue;
432	}	304	}
433	# undef CHECK_GEOM_OPS
434
435	while (*ops != ':' && *ops != '\0') ++ops;
436	} /* done parsing ops */	305	} /* done parsing ops */
437	}
438		306
		307	rxvt_free_strsplit (arr);
		308	}
		309
439	if (check_set_scale_value (geom_flags, WidthValue, h_scale, w)) ++changed;	310	if (check_set_scale_value (geom_flags, WidthValue, h_scale, w)) changed = true;
440	if (check_set_scale_value (geom_flags, HeightValue, v_scale, h)) ++changed;	311	if (check_set_scale_value (geom_flags, HeightValue, v_scale, h)) changed = true;
441	if (check_set_align_value (geom_flags, XValue, h_align, x)) ++changed;	312	if (check_set_align_value (geom_flags, XValue, h_align, x)) changed = true;
442	if (check_set_align_value (geom_flags, YValue, v_align, y)) ++changed;	313	if (check_set_align_value (geom_flags, YValue, v_align, y)) changed = true;
443	}
444		314
445	if (new_flags != flags)	315	if (new_flags != bg_flags)
446	{	316	{
447	flags = new_flags;	317	bg_flags = new_flags;
448	changed++;	318	changed = true;
449	}	319	}
450		320
451	//fprintf (stderr, "flags = %lX, scale = %ux%u, align=%+d%+d\n",
452	// flags, h_scale, v_scale, h_align, v_align);
453	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;
454	}	362	}
455		363
456	# ifdef HAVE_AFTERIMAGE	364	# ifdef HAVE_AFTERIMAGE
457	bool	365	bool
458	bgPixmap_t::render_image (unsigned long background_flags)	366	rxvt_term::render_image (unsigned long tr_flags)
459	{	367	{
460	if (target == NULL)
461	return false;
462
463	target->init_asv ();	368	init_asv ();
464		369
465	ASImage *background = NULL;	370	ASImage *background = NULL;
466	ARGB32 background_tint = TINT_LEAVE_SAME;	371	ARGB32 background_tint = TINT_LEAVE_SAME;
467		372
468	# ifdef ENABLE_TRANSPARENCY	373	# ifdef ENABLE_TRANSPARENCY
469	if (background_flags)	374	if (tr_flags)
470	background = pixmap2ximage (target->asv, pixmap, 0, 0, pmap_width, pmap_height, AllPlanes, 100);	375	background = pixmap2ximage (asv, bg_pixmap, 0, 0, bg_pmap_width, bg_pmap_height, AllPlanes, 100);
471		376
472	if (!(background_flags & transpPmapTinted) && (flags & tintNeeded))	377	if (tr_flags & BG_NEEDS_TINT)
473	{	378	{
474	ShadingInfo as_shade;	379	ShadingInfo as_shade;
475	as_shade.shading = (shade == 0) ? 100 : shade;	380	as_shade.shading = shade;
476		381
477	rgba c (rgba::MAX_CC,rgba::MAX_CC,rgba::MAX_CC);	382	rgba c (rgba::MAX_CC,rgba::MAX_CC,rgba::MAX_CC);
478	if (flags & tintSet)	383	if (bg_flags & BG_TINT_SET)
479	tint.get (c);	384	tint.get (c);
480	as_shade.tintColor.red = c.r;	385	as_shade.tintColor.red = c.r;
481	as_shade.tintColor.green = c.g;	386	as_shade.tintColor.green = c.g;
482	as_shade.tintColor.blue = c.b;	387	as_shade.tintColor.blue = c.b;
483		388
484	background_tint = shading2tint32 (&as_shade);	389	background_tint = shading2tint32 (&as_shade);
485	}	390	}
486		391
487	if (!(background_flags & transpPmapBlured) && (flags & blurNeeded) && background != NULL)	392	if ((tr_flags & BG_NEEDS_BLUR) && background != NULL)
488	{	393	{
489	ASImage *tmp = blur_asimage_gauss (target->asv, background, h_blurRadius, v_blurRadius, 0xFFFFFFFF,	394	ASImage *tmp = blur_asimage_gauss (asv, background, h_blurRadius, v_blurRadius, 0xFFFFFFFF,
490	(original_asim == NULL || tint == TINT_LEAVE_SAME) ? ASA_XImage : ASA_ASImage,	395	(original_asim == NULL || tint == TINT_LEAVE_SAME) ? ASA_XImage : ASA_ASImage,
491	100, ASIMAGE_QUALITY_DEFAULT);	396	100, ASIMAGE_QUALITY_DEFAULT);
492	if (tmp)	397	if (tmp)
493	{	398	{
494	destroy_asimage (&background);	399	destroy_asimage (&background);
…		…
497	}	402	}
498	# endif	403	# endif
499		404
500	ASImage *result = 0;	405	ASImage *result = 0;
501		406
502	int target_width = target->szHint.width;	407	int target_width = szHint.width;
503	int target_height = target->szHint.height;	408	int target_height = szHint.height;
504	int new_pmap_width = target_width;	409	int new_pmap_width = target_width;
505	int new_pmap_height = target_height;	410	int new_pmap_height = target_height;
506		411
507	int x = 0;	412	int x = 0;
508	int y = 0;	413	int y = 0;
509	int w = h_scale * target_width / 100;	414	int w = 0;
510	int h = v_scale * target_height / 100;	415	int h = 0;
511
512	TIMING_TEST_START (asim);
513		416
514	if (original_asim)	417	if (original_asim)
515	{	418	get_image_geometry (original_asim->width, original_asim->height, w, h, x, y);
516	if (h_align == rootAlign || v_align == rootAlign)
517	{
518	target->get_window_origin (x, y);
519	x = -x;
520	y = -y;
521	}
522
523	if (h_align != rootAlign)
524	x = make_align_position (h_align, target_width, w > 0 ? w : (int)original_asim->width);
525
526	if (v_align != rootAlign)
527	y = make_align_position (v_align, target_height, h > 0 ? h : (int)original_asim->height);
528	}
529		419
530	if (!original_asim	420	if (!original_asim
		421	|| (!(bg_flags & BG_ROOT_ALIGN)
531	|| x >= target_width	422	&& (x >= target_width
532	|| y >= target_height	423	|| y >= target_height
533	|| (w > 0 && x + w <= 0)	424	|| (x + w <= 0)
534	|| (h > 0 && y + h <= 0))	425	|| (y + h <= 0))))
535	{	426	{
536	if (background)	427	if (background)
537	{	428	{
538	new_pmap_width = background->width;	429	new_pmap_width = background->width;
539	new_pmap_height = background->height;	430	new_pmap_height = background->height;
540	result = background;	431	result = background;
541		432
542	if (background_tint != TINT_LEAVE_SAME)	433	if (background_tint != TINT_LEAVE_SAME)
543	{	434	{
544	ASImage *tmp = tile_asimage (target->asv, background, 0, 0,	435	ASImage *tmp = tile_asimage (asv, background, 0, 0,
545	target_width, target_height, background_tint,	436	target_width, target_height, background_tint,
546	ASA_XImage, 100, ASIMAGE_QUALITY_DEFAULT);	437	ASA_XImage, 100, ASIMAGE_QUALITY_DEFAULT);
547	if (tmp)	438	if (tmp)
548	result = tmp;	439	result = tmp;
549	}	440	}
…		…
553	}	444	}
554	else	445	else
555	{	446	{
556	result = original_asim;	447	result = original_asim;
557		448
558	if ((w > 0 && w != original_asim->width)	449	if ((w != original_asim->width)
559	|| (h > 0 && h != original_asim->height))	450	|| (h != original_asim->height))
560	{	451	{
561	result = scale_asimage (target->asv, original_asim,	452	result = scale_asimage (asv, original_asim,
562	w > 0 ? w : original_asim->width,	453	w, h,
563	h > 0 ? h : original_asim->height,
564	background ? ASA_ASImage : ASA_XImage,	454	background ? ASA_ASImage : ASA_XImage,
565	100, ASIMAGE_QUALITY_DEFAULT);	455	100, ASIMAGE_QUALITY_DEFAULT);
566	}	456	}
567		457
568	if (background == NULL)	458	if (background == NULL)
…		…
573	but there is no need to make it bigger than the window! */	463	but there is no need to make it bigger than the window! */
574	new_pmap_width = min (result->width, target_width);	464	new_pmap_width = min (result->width, target_width);
575	new_pmap_height = min (result->height, target_height);	465	new_pmap_height = min (result->height, target_height);
576		466
577	/* we also need to tile our image in both directions */	467	/* we also need to tile our image in both directions */
578	ASImage *tmp = tile_asimage (target->asv, result,	468	ASImage *tmp = tile_asimage (asv, result,
579	(int)result->width - x,	469	(int)result->width - x,
580	(int)result->height - y,	470	(int)result->height - y,
581	new_pmap_width,	471	new_pmap_width,
582	new_pmap_height,	472	new_pmap_height,
583	TINT_LEAVE_SAME, ASA_XImage,	473	TINT_LEAVE_SAME, ASA_XImage,
…		…
600	layers[0].clip_width = target_width;	490	layers[0].clip_width = target_width;
601	layers[0].clip_height = target_height;	491	layers[0].clip_height = target_height;
602	layers[0].tint = background_tint;	492	layers[0].tint = background_tint;
603	layers[1].im = result;	493	layers[1].im = result;
604		494
605	if (w <= 0)	495	if (h_scale == 0 || v_scale == 0)
606	{	496	{
607	/* tile horizontally */	497	/* tile horizontally */
608	while (x > 0) x -= (int)result->width;	498	while (x > 0) x -= (int)result->width;
609	layers[1].dst_x = x;	499	layers[1].dst_x = x;
610	layers[1].clip_width = result->width+target_width;	500	layers[1].clip_width = result->width+target_width;
…		…
614	/* clip horizontally */	504	/* clip horizontally */
615	layers[1].dst_x = x;	505	layers[1].dst_x = x;
616	layers[1].clip_width = result->width;	506	layers[1].clip_width = result->width;
617	}	507	}
618		508
619	if (h <= 0)	509	if (h_scale == 0 || v_scale == 0)
620	{	510	{
621	while (y > 0) y -= (int)result->height;	511	while (y > 0) y -= (int)result->height;
622	layers[1].dst_y = y;	512	layers[1].dst_y = y;
623	layers[1].clip_height = result->height + target_height;	513	layers[1].clip_height = result->height + target_height;
624	}	514	}
…		…
626	{	516	{
627	layers[1].dst_y = y;	517	layers[1].dst_y = y;
628	layers[1].clip_height = result->height;	518	layers[1].clip_height = result->height;
629	}	519	}
630		520
631	if (target->rs[Rs_blendtype])	521	if (rs[Rs_blendtype])
632	{	522	{
633	layers[1].merge_scanlines = blend_scanlines_name2func (target->rs[Rs_blendtype]);	523	layers[1].merge_scanlines = blend_scanlines_name2func (rs[Rs_blendtype]);
634	if (layers[1].merge_scanlines == NULL)	524	if (layers[1].merge_scanlines == NULL)
635	layers[1].merge_scanlines = alphablend_scanlines;	525	layers[1].merge_scanlines = alphablend_scanlines;
636	}	526	}
637		527
638	ASImage *tmp = merge_layers (target->asv, layers, 2, target_width, target_height,	528	ASImage *tmp = merge_layers (asv, layers, 2, target_width, target_height,
639	ASA_XImage, 0, ASIMAGE_QUALITY_DEFAULT);	529	ASA_XImage, 0, ASIMAGE_QUALITY_DEFAULT);
640		530
641	if (tmp)	531	if (tmp)
642	{	532	{
643	if (result != original_asim)	533	if (result != original_asim)
…		…
647	}	537	}
648		538
649	free (layers);	539	free (layers);
650	}	540	}
651	}	541	}
652	TIMING_TEST_PRINT_RESULT (asim);
653		542
654	bool ret = false;	543	bool ret = false;
655		544
656	if (result)	545	if (result)
657	{	546	{
658	XGCValues gcv;	547	XGCValues gcv;
659	GC gc;	548	GC gc;
660		549
661	if (pixmap)
662	{
663	if (pmap_width != new_pmap_width
664	|| pmap_height != new_pmap_height
665	|| pmap_depth != target->depth)
666	{
667	XFreePixmap (target->dpy, pixmap);
668	pixmap = None;
669	}
670	}
671
672	/* create Pixmap */	550	/* create Pixmap */
673	if (pixmap == None)	551	if (bg_pixmap == None
		552	|| bg_pmap_width != new_pmap_width
		553	|| bg_pmap_height != new_pmap_height)
674	{	554	{
		555	if (bg_pixmap)
		556	XFreePixmap (dpy, bg_pixmap);
675	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);
676	pmap_width = new_pmap_width;	558	bg_pmap_width = new_pmap_width;
677	pmap_height = new_pmap_height;	559	bg_pmap_height = new_pmap_height;
678	pmap_depth = target->depth;
679	}	560	}
680	/* fill with background color (if result's not completely overlapping it) */	561	/* fill with background color (if result's not completely overlapping it) */
681	gcv.foreground = target->pix_colors[Color_bg];	562	gcv.foreground = pix_colors[Color_bg];
682	gc = XCreateGC (target->dpy, target->vt, GCForeground, &gcv);	563	gc = XCreateGC (dpy, vt, GCForeground, &gcv);
683		564
684	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;
685	int dst_width = result->width, dst_height = result->height;	566	int dst_width = result->width, dst_height = result->height;
686	if (background == NULL)	567	if (background == NULL)
687	{	568	{
…		…
692	}	573	}
693		574
694	if (dst_x > 0 || dst_y > 0	575	if (dst_x > 0 || dst_y > 0
695	|| dst_x + dst_width < new_pmap_width	576	|| dst_x + dst_width < new_pmap_width
696	|| dst_y + dst_height < new_pmap_height)	577	|| dst_y + dst_height < new_pmap_height)
697	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);
698	}	579	}
699		580
700	/* put result on pixmap */	581	/* put result on pixmap */
701	if (dst_x < new_pmap_width && dst_y < new_pmap_height)	582	if (dst_x < new_pmap_width && dst_y < new_pmap_height)
702	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);
703		584
704	if (result != background && result != original_asim)	585	if (result != background && result != original_asim)
705	destroy_asimage (&result);	586	destroy_asimage (&result);
706		587
707	XFreeGC (target->dpy, gc);	588	XFreeGC (dpy, gc);
708	TIMING_TEST_PRINT_RESULT (asim);
709		589
710	ret = true;	590	ret = true;
711	}	591	}
712		592
713	if (background)	593	if (background)
…		…
717	}	597	}
718	# endif /* HAVE_AFTERIMAGE */	598	# endif /* HAVE_AFTERIMAGE */
719		599
720	# ifdef HAVE_PIXBUF	600	# ifdef HAVE_PIXBUF
721	bool	601	bool
722	bgPixmap_t::render_image (unsigned long background_flags)	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)
723	{	605	{
724	if (target == NULL)	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)
725	return false;	616	return false;
726		617
		618	if (depth == 24 || depth == 32)
		619	bytes_per_pixel = 4;
		620	else if (depth == 15 || depth == 16)
		621	bytes_per_pixel = 2;
		622	else
		623	return false;
		624
		625	width_r = rxvt_popcount (visual->red_mask);
		626	width_g = rxvt_popcount (visual->green_mask);
		627	width_b = rxvt_popcount (visual->blue_mask);
		628
		629	if (width_r > 8 || width_g > 8 || width_b > 8)
		630	return false;
		631
		632	sh_r = rxvt_ctz (visual->red_mask);
		633	sh_g = rxvt_ctz (visual->green_mask);
		634	sh_b = rxvt_ctz (visual->blue_mask);
		635
		636	if (width > INT_MAX / height / bytes_per_pixel)
		637	return false;
		638
		639	data = (char *)malloc (width * height * bytes_per_pixel);
		640	if (!data)
		641	return false;
		642
		643	ximage = XCreateImage (dpy, visual, depth, ZPixmap, 0, data,
		644	width, height, bytes_per_pixel * 8, 0);
		645	if (!ximage)
		646	{
		647	free (data);
		648	return false;
		649	}
		650
		651	ximage->byte_order = byteorder::big_endian () ? MSBFirst : LSBFirst;
		652
		653	rowstride = gdk_pixbuf_get_rowstride (pixbuf);
		654	channels = gdk_pixbuf_get_n_channels (pixbuf);
		655	row = gdk_pixbuf_get_pixels (pixbuf) + src_y * rowstride + src_x * channels;
		656	line = data;
		657
		658	for (int y = 0; y < height; y++)
		659	{
		660	for (int x = 0; x < width; x++)
		661	{
		662	unsigned char *pixel = row + x * channels;
		663	uint32_t value;
		664
		665	value = ((pixel[0] >> (8 - width_r)) << sh_r)
		666	| ((pixel[1] >> (8 - width_g)) << sh_g)
		667	| ((pixel[2] >> (8 - width_b)) << sh_b);
		668
		669	if (bytes_per_pixel == 4)
		670	((uint32_t *)line)[x] = value;
		671	else
		672	((uint16_t *)line)[x] = value;
		673	}
		674
		675	row += rowstride;
		676	line += ximage->bytes_per_line;
		677	}
		678
		679	XPutImage (dpy, pixmap, gc, ximage, 0, 0, dst_x, dst_y, width, height);
		680	XDestroyImage (ximage);
		681	return true;
		682	}
		683
		684	bool
		685	rxvt_term::render_image (unsigned long tr_flags)
		686	{
727	if (!pixbuf)	687	if (!pixbuf)
728	return false;	688	return false;
729		689
730	// TODO: add alpha blending	690	if (tr_flags
731	if (background_flags)	691	&& !(bg_flags & BG_HAS_RENDER))
732	return false;	692	return false;
733		693
734	GdkPixbuf *result;	694	GdkPixbuf *result;
735		695
736	int image_width = gdk_pixbuf_get_width (pixbuf);	696	int image_width = gdk_pixbuf_get_width (pixbuf);
737	int image_height = gdk_pixbuf_get_height (pixbuf);	697	int image_height = gdk_pixbuf_get_height (pixbuf);
738		698
739	int target_width = target->szHint.width;	699	int target_width = szHint.width;
740	int target_height = target->szHint.height;	700	int target_height = szHint.height;
741	int new_pmap_width = target_width;	701	int new_pmap_width = target_width;
742	int new_pmap_height = target_height;	702	int new_pmap_height = target_height;
743		703
744	int x = 0;	704	int x = 0;
745	int y = 0;	705	int y = 0;
746	int w = h_scale * target_width / 100;	706	int w = 0;
747	int h = v_scale * target_height / 100;	707	int h = 0;
748		708
749	if (h_align == rootAlign || v_align == rootAlign)	709	get_image_geometry (image_width, image_height, w, h, x, y);
750	{
751	target->get_window_origin (x, y);
752	x = -x;
753	y = -y;
754	}
755		710
756	if (h_align != rootAlign)	711	if (!(bg_flags & BG_ROOT_ALIGN)
757	x = make_align_position (h_align, target_width, w > 0 ? w : image_width);
758
759	if (v_align != rootAlign)
760	y = make_align_position (v_align, target_height, h > 0 ? h : image_height);
761
762	if (x >= target_width	712	&& (x >= target_width
763	|| y >= target_height	713	|| y >= target_height
764	|| (w > 0 && x + w <= 0)	714	|| (x + w <= 0)
765	|| (h > 0 && y + h <= 0))	715	|| (y + h <= 0)))
766	return false;	716	return false;
767		717
768	result = pixbuf;	718	result = pixbuf;
769		719
770	if ((w > 0 && w != image_width)	720	if ((w != image_width)
771	|| (h > 0 && h != image_height))	721	|| (h != image_height))
772	{	722	{
773	result = gdk_pixbuf_scale_simple (pixbuf,	723	result = gdk_pixbuf_scale_simple (pixbuf,
774	w > 0 ? w : image_width,	724	w, h,
775	h > 0 ? h : image_height,
776	GDK_INTERP_BILINEAR);	725	GDK_INTERP_BILINEAR);
777	}	726	}
778		727
		728	if (!result)
		729	return false;
		730
779	bool ret = false;	731	bool ret = false;
780		732
781	if (result)
782	{
783	XGCValues gcv;	733	XGCValues gcv;
784	GC gc;	734	GC gc;
		735	Pixmap root_pmap;
785		736
786	image_width = gdk_pixbuf_get_width (result);	737	image_width = gdk_pixbuf_get_width (result);
787	image_height = gdk_pixbuf_get_height (result);	738	image_height = gdk_pixbuf_get_height (result);
788		739
		740	if (tr_flags)
		741	{
		742	root_pmap = bg_pixmap;
		743	bg_pixmap = None;
		744	}
		745	else
		746	{
789	if (h_scale == 0 || v_scale == 0)	747	if (h_scale == 0 || v_scale == 0)
790	{	748	{
791	new_pmap_width = min (image_width, target_width);	749	new_pmap_width = min (image_width, target_width);
792	new_pmap_height = min (image_height, target_height);	750	new_pmap_height = min (image_height, target_height);
793	}	751	}
		752	}
794		753
		754	if (bg_pixmap == None
		755	|| bg_pmap_width != new_pmap_width
		756	|| bg_pmap_height != new_pmap_height)
		757	{
795	if (pixmap)	758	if (bg_pixmap)
796	{
797	if (pmap_width != new_pmap_width
798	|| pmap_height != new_pmap_height
799	|| pmap_depth != target->depth)
800	{
801	XFreePixmap (target->dpy, pixmap);	759	XFreePixmap (dpy, bg_pixmap);
802	pixmap = None;
803	}
804	}
805
806	if (pixmap == None)
807	{
808	pixmap = XCreatePixmap (target->dpy, target->vt, new_pmap_width, new_pmap_height, target->depth);	760	bg_pixmap = XCreatePixmap (dpy, vt, new_pmap_width, new_pmap_height, depth);
809	pmap_width = new_pmap_width;	761	bg_pmap_width = new_pmap_width;
810	pmap_height = new_pmap_height;	762	bg_pmap_height = new_pmap_height;
811	pmap_depth = target->depth;	763	}
812	}
813		764
		765	if (bg_pixmap != None)
		766	{
814	gcv.foreground = target->pix_colors[Color_bg];	767	gcv.foreground = pix_colors[Color_bg];
815	gc = XCreateGC (target->dpy, target->vt, GCForeground, &gcv);	768	gc = XCreateGC (dpy, vt, GCForeground, &gcv);
816		769
		770	if (gc)
		771	{
817	if (h_scale == 0 || v_scale == 0)	772	if (h_scale == 0 || v_scale == 0)
818	{	773	{
819	Pixmap tile = XCreatePixmap (target->dpy, target->vt, image_width, image_height, target->depth);	774	Pixmap tile = XCreatePixmap (dpy, vt, image_width, image_height, depth);
820	gdk_pixbuf_xlib_render_to_drawable (result, tile, gc,	775
		776	if (tile != None)
		777	{
		778	pixbuf_to_pixmap (result, tile, gc,
821	0, 0,	779	0, 0,
822	0, 0,	780	0, 0,
823	image_width, image_height,	781	image_width, image_height);
824	XLIB_RGB_DITHER_NONE,
825	0, 0);
826		782
827	gcv.tile = tile;	783	gcv.tile = tile;
828	gcv.fill_style = FillTiled;	784	gcv.fill_style = FillTiled;
829	gcv.ts_x_origin = x;	785	gcv.ts_x_origin = x;
830	gcv.ts_y_origin = y;	786	gcv.ts_y_origin = y;
831	XChangeGC (target->dpy, gc, GCFillStyle | GCTile | GCTileStipXOrigin | GCTileStipYOrigin, &gcv);	787	XChangeGC (dpy, gc, GCFillStyle | GCTile | GCTileStipXOrigin | GCTileStipYOrigin, &gcv);
832		788
833	XFillRectangle (target->dpy, pixmap, gc, 0, 0, new_pmap_width, new_pmap_height);	789	XFillRectangle (dpy, bg_pixmap, gc, 0, 0, new_pmap_width, new_pmap_height);
834	XFreePixmap (target->dpy, tile);	790	XFreePixmap (dpy, tile);
		791	}
835	}	792	}
836	else	793	else
837	{	794	{
838	int src_x, src_y, dst_x, dst_y;	795	int src_x, src_y, dst_x, dst_y;
839	int dst_width, dst_height;	796	int dst_width, dst_height;
840		797
841	src_x = make_clip_rectangle (x, image_width , new_pmap_width , dst_x, dst_width );	798	src_x = make_clip_rectangle (x, image_width , new_pmap_width , dst_x, dst_width );
842	src_y = make_clip_rectangle (y, image_height, new_pmap_height, dst_y, dst_height);	799	src_y = make_clip_rectangle (y, image_height, new_pmap_height, dst_y, dst_height);
843		800
844	if (dst_x > 0 || dst_y > 0	801	if (dst_x > 0 || dst_y > 0
845	|| dst_x + dst_width < new_pmap_width	802	|| dst_x + dst_width < new_pmap_width
846	|| dst_y + dst_height < new_pmap_height)	803	|| dst_y + dst_height < new_pmap_height)
847	XFillRectangle (target->dpy, pixmap, gc, 0, 0, new_pmap_width, new_pmap_height);	804	XFillRectangle (dpy, bg_pixmap, gc, 0, 0, new_pmap_width, new_pmap_height);
848		805
849	if (dst_x < new_pmap_width && dst_y < new_pmap_height)	806	if (dst_x < new_pmap_width && dst_y < new_pmap_height)
850	gdk_pixbuf_xlib_render_to_drawable (result, pixmap, gc,	807	pixbuf_to_pixmap (result, bg_pixmap, gc,
851	src_x, src_y,	808	src_x, src_y,
852	dst_x, dst_y,	809	dst_x, dst_y,
853	dst_width, dst_height,	810	dst_width, dst_height);
854	XLIB_RGB_DITHER_NONE,
855	0, 0);
856	}	811	}
857		812
		813	#if XRENDER
		814	if (tr_flags)
		815	{
		816	XRenderPictureAttributes pa;
		817
		818	XRenderPictFormat *src_format = XRenderFindVisualFormat (dpy, visual);
		819	Picture src = XRenderCreatePicture (dpy, root_pmap, src_format, 0, &pa);
		820
		821	XRenderPictFormat *dst_format = XRenderFindVisualFormat (dpy, visual);
		822	Picture dst = XRenderCreatePicture (dpy, bg_pixmap, dst_format, 0, &pa);
		823
		824	pa.repeat = True;
		825	Pixmap mask_pmap = XCreatePixmap (dpy, vt, 1, 1, 8);
		826	XRenderPictFormat *mask_format = XRenderFindStandardFormat (dpy, PictStandardA8);
		827	Picture mask = XRenderCreatePicture (dpy, mask_pmap, mask_format, CPRepeat, &pa);
		828	XFreePixmap (dpy, mask_pmap);
		829
		830	if (src && dst && mask)
		831	{
		832	XRenderColor mask_c;
		833
		834	mask_c.alpha = 0x8000;
		835	mask_c.red = 0;
		836	mask_c.green = 0;
		837	mask_c.blue = 0;
		838	XRenderFillRectangle (dpy, PictOpSrc, mask, &mask_c, 0, 0, 1, 1);
		839	XRenderComposite (dpy, PictOpOver, src, mask, dst, 0, 0, 0, 0, 0, 0, target_width, target_height);
		840	}
		841
		842	XRenderFreePicture (dpy, src);
		843	XRenderFreePicture (dpy, dst);
		844	XRenderFreePicture (dpy, mask);
		845	}
		846	#endif
		847
		848	XFreeGC (dpy, gc);
		849
		850	ret = true;
		851	}
		852	}
		853
858	if (result != pixbuf)	854	if (result != pixbuf)
859	g_object_unref (result);	855	g_object_unref (result);
860		856
861	XFreeGC (target->dpy, gc);	857	if (tr_flags)
862		858	XFreePixmap (dpy, root_pmap);
863	ret = true;
864	}
865		859
866	return ret;	860	return ret;
867	}	861	}
868	# endif /* HAVE_PIXBUF */	862	# endif /* HAVE_PIXBUF */
869		863
870	bool	864	bool
871	bgPixmap_t::set_file (const char *file)	865	rxvt_term::bg_set_file (const char *file)
872	{	866	{
873	assert (file);	867	if (!file || !*file)
		868	return false;
874		869
875	if (*file)
876	{
877	if (const char *p = strchr (file, ';'))	870	if (const char *p = strchr (file, ';'))
878	{	871	{
879	size_t len = p - file;	872	size_t len = p - file;
880	char *f = rxvt_temp_buf<char> (len + 1);	873	char *f = rxvt_temp_buf<char> (len + 1);
881	memcpy (f, file, len);	874	memcpy (f, file, len);
882	f[len] = '\0';	875	f[len] = '\0';
883	file = f;	876	file = f;
884	}	877	}
885		878
886	# ifdef HAVE_AFTERIMAGE	879	# ifdef HAVE_AFTERIMAGE
887	if (!target->asimman)	880	if (!asimman)
888	target->asimman = create_generic_imageman (target->rs[Rs_path]);	881	asimman = create_generic_imageman (rs[Rs_path]);
889	original_asim = get_asimage (target->asimman, file, 0xFFFFFFFF, 100);	882	ASImage *image = get_asimage (asimman, file, 0xFFFFFFFF, 100);
		883	if (image)
		884	{
890	if (original_asim)	885	if (original_asim)
891	have_image = true;	886	safe_asimage_destroy (original_asim);
892	return have_image;	887	original_asim = image;
		888	bg_flags |= BG_IS_FROM_FILE | BG_CLIENT_RENDER;
		889	return true;
		890	}
893	# endif	891	# endif
894		892
895	# ifdef HAVE_PIXBUF	893	# ifdef HAVE_PIXBUF
896	pixbuf = gdk_pixbuf_new_from_file (file, NULL);	894	GdkPixbuf *image = gdk_pixbuf_new_from_file (file, NULL);
		895	if (image)
		896	{
897	if (pixbuf)	897	if (pixbuf)
898	have_image = true;	898	g_object_unref (pixbuf);
899	return have_image;	899	pixbuf = image;
		900	bg_flags |= BG_IS_FROM_FILE;
		901	return true;
		902	}
900	# endif	903	# endif
901	}
902		904
903	return false;	905	return false;
904	}	906	}
905		907
906	# endif /* BG_IMAGE_FROM_FILE */	908	# endif /* BG_IMAGE_FROM_FILE */
907		909
908	# ifdef ENABLE_TRANSPARENCY	910	# ifdef ENABLE_TRANSPARENCY
909	bool	911	bool
910	bgPixmap_t::set_transparent ()	912	rxvt_term::bg_set_transparent ()
911	{	913	{
912	if (!(flags & isTransparent))	914	if (!(bg_flags & BG_IS_TRANSPARENT))
913	{	915	{
914	flags |= isTransparent;	916	bg_flags |= BG_IS_TRANSPARENT;
915	return true;	917	return true;
916	}	918	}
917		919
918	return false;	920	return false;
919	}	921	}
920		922
921	bool	923	bool
922	bgPixmap_t::set_blur_radius (const char *geom)	924	rxvt_term::bg_set_blur (const char *geom)
923	{	925	{
924	int changed = 0;	926	bool changed = false;
925	unsigned int hr, vr;	927	unsigned int hr, vr;
926	int junk;	928	int junk;
927	int geom_flags = XParseGeometry (geom, &junk, &junk, &hr, &vr);	929	int geom_flags = XParseGeometry (geom, &junk, &junk, &hr, &vr);
928		930
929	if (!(geom_flags & WidthValue))	931	if (!(geom_flags & WidthValue))
930	hr = 1;	932	hr = 1;
931	if (!(geom_flags & HeightValue))	933	if (!(geom_flags & HeightValue))
932	vr = hr;	934	vr = hr;
933		935
		936	min_it (hr, 128);
		937	min_it (vr, 128);
		938
934	if (h_blurRadius != hr)	939	if (h_blurRadius != hr)
935	{	940	{
936	++changed;	941	changed = true;
937	h_blurRadius = hr;	942	h_blurRadius = hr;
938	}	943	}
939		944
940	if (v_blurRadius != vr)	945	if (v_blurRadius != vr)
941	{	946	{
942	++changed;	947	changed = true;
943	v_blurRadius = vr;	948	v_blurRadius = vr;
944	}	949	}
945		950
946	if (v_blurRadius == 0 && h_blurRadius == 0)	951	if (v_blurRadius == 0 && h_blurRadius == 0)
947	flags &= ~blurNeeded;	952	bg_flags &= ~BG_NEEDS_BLUR;
948	else	953	else
949	flags |= blurNeeded;	954	bg_flags |= BG_NEEDS_BLUR;
950		955
951	return (changed > 0);	956	return changed;
952	}	957	}
953		958
954	static inline unsigned long	959	void
955	compute_tint_shade_flags (rxvt_color *tint, int shade)	960	rxvt_term::set_tint_shade_flags ()
956	{	961	{
957	unsigned long flags = 0;
958	rgba c (rgba::MAX_CC,rgba::MAX_CC,rgba::MAX_CC);	962	rgba c (rgba::MAX_CC,rgba::MAX_CC,rgba::MAX_CC);
959	bool has_shade = (shade > 0 && shade < 100) || (shade > 100 && shade < 200);	963	bool has_shade = shade != 100;
960		964
961	if (tint)	965	bg_flags &= ~BG_TINT_FLAGS;
		966
		967	if (bg_flags & BG_TINT_SET)
962	{	968	{
963	tint->get (c);	969	tint.get (c);
964	# define IS_COMPONENT_WHOLESOME(cmp) ((cmp) <= 0x000700 || (cmp) >= 0x00f700)
965	if (!has_shade && IS_COMPONENT_WHOLESOME (c.r)
966	&& IS_COMPONENT_WHOLESOME (c.g)
967	&& IS_COMPONENT_WHOLESOME (c.b))
968	flags |= bgPixmap_t::tintWholesome;
969	# undef IS_COMPONENT_WHOLESOME
970	}
971
972	if (has_shade)	970	if (!has_shade
973	flags |= bgPixmap_t::tintNeeded;	971	&& (c.r <= 0x00ff || c.r >= 0xff00)
974	else if (tint)	972	&& (c.g <= 0x00ff || c.g >= 0xff00)
		973	&& (c.b <= 0x00ff || c.b >= 0xff00))
		974	bg_flags |= BG_TINT_BITAND;
975	{	975	}
976	if ((c.r > 0x000700 || c.g > 0x000700 || c.b > 0x000700)	976
977	&& (c.r < 0x00f700 || c.g < 0x00f700 || c.b < 0x00f700))	977	if (has_shade || (bg_flags & BG_TINT_SET))
978	{	978	bg_flags |= BG_NEEDS_TINT;
979	flags |= bgPixmap_t::tintNeeded;	979	}
		980
		981	bool
		982	rxvt_term::bg_set_tint (rxvt_color &new_tint)
		983	{
		984	if (!(bg_flags & BG_TINT_SET) || tint != new_tint)
		985	{
		986	tint = new_tint;
		987	bg_flags |= BG_TINT_SET;
		988	set_tint_shade_flags ();
		989	return true;
		990	}
		991
		992	return false;
		993	}
		994
		995	bool
		996	rxvt_term::bg_set_shade (const char *shade_str)
		997	{
		998	int new_shade = (shade_str) ? atoi (shade_str) : 100;
		999
		1000	clamp_it (new_shade, -100, 200);
		1001	if (new_shade < 0)
		1002	new_shade = 200 - (100 + new_shade);
		1003
		1004	if (new_shade != shade)
		1005	{
		1006	shade = new_shade;
		1007	set_tint_shade_flags ();
		1008	return true;
		1009	}
		1010
		1011	return false;
		1012	}
		1013
		1014	#if XRENDER
		1015	static void
		1016	get_gaussian_kernel (int radius, int width, double *kernel, XFixed *params)
		1017	{
		1018	double sigma = radius / 2.0;
		1019	double scale = sqrt (2.0 * M_PI) * sigma;
		1020	double sum = 0.0;
		1021
		1022	for (int i = 0; i < width; i++)
		1023	{
		1024	double x = i - width / 2;
		1025	kernel[i] = exp (-(x * x) / (2.0 * sigma * sigma)) / scale;
		1026	sum += kernel[i];
		1027	}
		1028
		1029	params[0] = XDoubleToFixed (width);
		1030	params[1] = XDoubleToFixed (1);
		1031
		1032	for (int i = 0; i < width; i++)
		1033	params[i+2] = XDoubleToFixed (kernel[i] / sum);
		1034	}
		1035	#endif
		1036
		1037	bool
		1038	rxvt_term::blur_pixmap (Pixmap pixmap, Visual *visual, int width, int height)
		1039	{
		1040	bool ret = false;
		1041	#if XRENDER
		1042	int size = max (h_blurRadius, v_blurRadius) * 2 + 1;
		1043	double *kernel = (double *)malloc (size * sizeof (double));
		1044	XFixed *params = (XFixed *)malloc ((size + 2) * sizeof (XFixed));
		1045
		1046	XRenderPictureAttributes pa;
		1047	XRenderPictFormat *format = XRenderFindVisualFormat (dpy, visual);
		1048
		1049	Picture src = XRenderCreatePicture (dpy, pixmap, format, 0, &pa);
		1050	Picture dst = XRenderCreatePicture (dpy, pixmap, format, 0, &pa);
		1051
		1052	if (kernel && params && src && dst)
		1053	{
		1054	if (h_blurRadius)
980	}	1055	{
981	}	1056	size = h_blurRadius * 2 + 1;
		1057	get_gaussian_kernel (h_blurRadius, size, kernel, params);
982		1058
983	if (flags & bgPixmap_t::tintNeeded)	1059	XRenderSetPictureFilter (dpy, src, FilterConvolution, params, size+2);
		1060	XRenderComposite (dpy,
		1061	PictOpSrc,
		1062	src,
		1063	None,
		1064	dst,
		1065	0, 0,
		1066	0, 0,
		1067	0, 0,
		1068	width, height);
		1069	}
		1070
		1071	if (v_blurRadius)
		1072	{
		1073	size = v_blurRadius * 2 + 1;
		1074	get_gaussian_kernel (v_blurRadius, size, kernel, params);
		1075	::swap (params[0], params[1]);
		1076
		1077	XRenderSetPictureFilter (dpy, src, FilterConvolution, params, size+2);
		1078	XRenderComposite (dpy,
		1079	PictOpSrc,
		1080	src,
		1081	None,
		1082	dst,
		1083	0, 0,
		1084	0, 0,
		1085	0, 0,
		1086	width, height);
		1087	}
		1088
		1089	ret = true;
984	{	1090	}
985	if (flags & bgPixmap_t::tintWholesome)	1091
986	flags |= bgPixmap_t::tintServerSide;	1092	free (kernel);
		1093	free (params);
		1094	XRenderFreePicture (dpy, src);
		1095	XRenderFreePicture (dpy, dst);
		1096	#endif
		1097	return ret;
		1098	}
		1099
		1100	bool
		1101	rxvt_term::tint_pixmap (Pixmap pixmap, Visual *visual, int width, int height)
		1102	{
		1103	bool ret = false;
		1104
		1105	if (bg_flags & BG_TINT_BITAND)
		1106	{
		1107	XGCValues gcv;
		1108	GC gc;
		1109
		1110	/* In this case we can tint image server-side getting significant
		1111	* performance improvements, as we eliminate XImage transfer
		1112	*/
		1113	gcv.foreground = Pixel (tint);
		1114	gcv.function = GXand;
		1115	gcv.fill_style = FillSolid;
		1116	gc = XCreateGC (dpy, pixmap, GCFillStyle | GCForeground | GCFunction, &gcv);
		1117	if (gc)
		1118	{
		1119	XFillRectangle (dpy, pixmap, gc, 0, 0, width, height);
		1120	ret = true;
		1121	XFreeGC (dpy, gc);
		1122	}
		1123	}
		1124	else
		1125	{
		1126	# if XRENDER
		1127	rgba c (rgba::MAX_CC, rgba::MAX_CC, rgba::MAX_CC);
		1128
		1129	if (bg_flags & BG_TINT_SET)
		1130	tint.get (c);
		1131
		1132	if (shade <= 100)
		1133	{
		1134	c.r = c.r * shade / 100;
		1135	c.g = c.g * shade / 100;
		1136	c.b = c.b * shade / 100;
		1137	}
987	else	1138	else
988	{	1139	{
989	#if XFT	1140	c.r = c.r * (200 - shade) / 100;
990	flags |= bgPixmap_t::tintServerSide;	1141	c.g = c.g * (200 - shade) / 100;
991	#endif	1142	c.b = c.b * (200 - shade) / 100;
		1143	}
		1144
		1145	XRenderPictFormat *solid_format = XRenderFindStandardFormat (dpy, PictStandardARGB32);
		1146	XRenderPictFormat *format = XRenderFindVisualFormat (dpy, visual);
		1147	XRenderPictureAttributes pa;
		1148
		1149	Picture back_pic = XRenderCreatePicture (dpy, pixmap, format, 0, &pa);
		1150
		1151	pa.repeat = True;
		1152
		1153	Pixmap overlay_pmap = XCreatePixmap (dpy, pixmap, 1, 1, 32);
		1154	Picture overlay_pic = XRenderCreatePicture (dpy, overlay_pmap, solid_format, CPRepeat, &pa);
		1155	XFreePixmap (dpy, overlay_pmap);
		1156
		1157	pa.component_alpha = True;
		1158	Pixmap mask_pmap = XCreatePixmap (dpy, pixmap, 1, 1, 32);
		1159	Picture mask_pic = XRenderCreatePicture (dpy, mask_pmap, solid_format, CPRepeat | CPComponentAlpha, &pa);
		1160	XFreePixmap (dpy, mask_pmap);
		1161
		1162	if (mask_pic && overlay_pic && back_pic)
992	}	1163	{
993	}	1164	XRenderColor mask_c;
994		1165
995	return flags;	1166	mask_c.alpha = 0xffff;
996	}	1167	mask_c.red =
		1168	mask_c.green =
		1169	mask_c.blue = 0;
		1170	XRenderFillRectangle (dpy, PictOpSrc, overlay_pic, &mask_c, 0, 0, 1, 1);
997		1171
998	bool	1172	mask_c.alpha = 0;
999	bgPixmap_t::set_tint (rxvt_color &new_tint)	1173	mask_c.red = 0xffff - c.r;
1000	{	1174	mask_c.green = 0xffff - c.g;
1001	if (tint != new_tint)	1175	mask_c.blue = 0xffff - c.b;
		1176	XRenderFillRectangle (dpy, PictOpSrc, mask_pic, &mask_c, 0, 0, 1, 1);
		1177	XRenderComposite (dpy, PictOpOver, overlay_pic, mask_pic, back_pic, 0, 0, 0, 0, 0, 0, width, height);
		1178
		1179	if (shade > 100)
		1180	{
		1181	mask_c.red = mask_c.green = mask_c.blue = 0xffff * (shade - 100) / 100;
		1182	mask_c.alpha = 0;
		1183	XRenderFillRectangle (dpy, PictOpSrc, overlay_pic, &mask_c, 0, 0, 1, 1);
		1184
		1185	XRenderComposite (dpy, PictOpOver, overlay_pic, None, back_pic, 0, 0, 0, 0, 0, 0, width, height);
		1186	}
		1187
		1188	ret = true;
		1189	}
		1190
		1191	XRenderFreePicture (dpy, mask_pic);
		1192	XRenderFreePicture (dpy, overlay_pic);
		1193	XRenderFreePicture (dpy, back_pic);
		1194	# endif
1002	{	1195	}
1003	unsigned long new_flags = compute_tint_shade_flags (&new_tint, shade);
1004	tint = new_tint;
1005	flags = (flags & ~tintFlags) | new_flags | tintSet;
1006	return true;
1007	}
1008		1196
1009	return false;	1197	return ret;
1010	}	1198	}
1011		1199
1012	bool	1200	/*
1013	bgPixmap_t::unset_tint ()	1201	* Builds a pixmap of the same size as the terminal window that contains
1014	{
1015	unsigned long new_flags = compute_tint_shade_flags (NULL, shade);
1016
1017	if (new_flags != (flags & tintFlags))
1018	{
1019	flags = (flags & ~tintFlags) | new_flags;
1020	return true;
1021	}
1022
1023	return false;
1024	}
1025
1026	bool
1027	bgPixmap_t::set_shade (const char *shade_str)
1028	{
1029	int new_shade = (shade_str) ? atoi (shade_str) : 0;
1030
1031	if (new_shade < 0 && new_shade > -100)
1032	new_shade = 200 - (100 + new_shade);
1033	else if (new_shade == 100)
1034	new_shade = 0;
1035
1036	if (new_shade != shade)
1037	{
1038	unsigned long new_flags = compute_tint_shade_flags ((flags & tintSet) ? &tint : NULL, new_shade);
1039	shade = new_shade;
1040	flags = (flags & (~tintFlags | tintSet)) | new_flags;
1041	return true;
1042	}
1043
1044	return false;
1045	}
1046
1047	/* make_transparency_pixmap()
1048	* Builds a pixmap sized the same as terminal window, with depth same as the root window
1049	* that pixmap contains tiled portion of the root pixmap that is supposed to be covered by	1202	* the tiled portion of the root pixmap that is supposed to be covered by
1050	* our window.	1203	* our window.
1051	*/	1204	*/
1052	unsigned long	1205	unsigned long
1053	bgPixmap_t::make_transparency_pixmap ()	1206	rxvt_term::make_transparency_pixmap ()
1054	{	1207	{
1055	unsigned long result = 0;	1208	unsigned long result = 0;
1056
1057	if (target == NULL)
1058	return 0;
1059		1209
1060	/* root dimensions may change from call to call - but Display structure should	1210	/* root dimensions may change from call to call - but Display structure should
1061	* be always up-to-date, so let's use it :	1211	* be always up-to-date, so let's use it :
1062	*/	1212	*/
1063	Window root = target->display->root;
1064	int screen = target->display->screen;	1213	int screen = display->screen;
1065	Display *dpy = target->dpy;	1214	int root_depth = DefaultDepth (dpy, screen);
1066	int root_width = DisplayWidth (dpy, screen);	1215	int root_width = DisplayWidth (dpy, screen);
1067	int root_height = DisplayHeight (dpy, screen);	1216	int root_height = DisplayHeight (dpy, screen);
1068	unsigned int root_pmap_width, root_pmap_height;	1217	unsigned int root_pmap_width, root_pmap_height;
1069	int window_width = target->szHint.width;	1218	int window_width = szHint.width;
1070	int window_height = target->szHint.height;	1219	int window_height = szHint.height;
1071	int sx, sy;	1220	int sx, sy;
1072	XGCValues gcv;	1221	XGCValues gcv;
		1222	GC gc;
1073		1223
1074	TIMING_TEST_START (tp);	1224	sx = target_x;
1075	target->get_window_origin (sx, sy);	1225	sy = target_y;
1076		1226
1077	/* check if we are outside of the visible part of the virtual screen : */	1227	/* check if we are outside of the visible part of the virtual screen : */
1078	if (sx + window_width <= 0 || sy + window_height <= 0	1228	if (sx + window_width <= 0 || sy + window_height <= 0
1079	|| sx >= root_width || sy >= root_height)	1229	|| sx >= root_width || sy >= root_height)
1080	return 0;	1230	return 0;
1081		1231
		1232	// validate root pixmap and get its size
1082	if (root_pixmap != None)	1233	if (root_pixmap != None)
1083	{	1234	{
1084	/* we want to validate the pixmap and get it's size at the same time : */	1235	Window wdummy;
1085	int junk;	1236	int idummy;
1086	unsigned int ujunk;	1237	unsigned int udummy;
1087	/* root pixmap may be bad - allow a error */	1238
1088	target->allowedxerror = -1;	1239	allowedxerror = -1;
1089		1240
1090	if (!XGetGeometry (dpy, root_pixmap, &root, &junk, &junk, &root_pmap_width, &root_pmap_height, &ujunk, &ujunk))	1241	if (!XGetGeometry (dpy, root_pixmap, &wdummy, &idummy, &idummy, &root_pmap_width, &root_pmap_height, &udummy, &udummy))
1091	root_pixmap = None;	1242	root_pixmap = None;
1092		1243
1093	target->allowedxerror = 0;	1244	allowedxerror = 0;
		1245	}
		1246
		1247	Pixmap recoded_root_pmap = root_pixmap;
		1248
		1249	if (root_pixmap != None && root_depth != depth)
1094	}	1250	{
		1251	#if XRENDER
		1252	if (bg_flags & BG_HAS_RENDER)
		1253	{
		1254	recoded_root_pmap = XCreatePixmap (dpy, vt, root_pmap_width, root_pmap_height, depth);
1095		1255
1096	Pixmap tiled_root_pmap = XCreatePixmap (dpy, root, window_width, window_height, root_depth);	1256	if (recoded_root_pmap != None)
1097	GC gc = NULL;	1257	{
		1258	XRenderPictureAttributes pa;
1098		1259
1099	if (tiled_root_pmap == None) /* something really bad happened - abort */	1260	XRenderPictFormat *src_format = XRenderFindVisualFormat (dpy, DefaultVisual (dpy, screen));
		1261	Picture src = XRenderCreatePicture (dpy, root_pixmap, src_format, 0, &pa);
		1262
		1263	XRenderPictFormat *dst_format = XRenderFindVisualFormat (dpy, visual);
		1264	Picture dst = XRenderCreatePicture (dpy, recoded_root_pmap, dst_format, 0, &pa);
		1265
		1266	if (src && dst)
		1267	XRenderComposite (dpy, PictOpSrc, src, None, dst, 0, 0, 0, 0, 0, 0, root_pmap_width, root_pmap_height);
		1268	else
		1269	{
		1270	XFreePixmap (dpy, recoded_root_pmap);
		1271	recoded_root_pmap = None;
		1272	}
		1273
		1274	XRenderFreePicture (dpy, src);
		1275	XRenderFreePicture (dpy, dst);
		1276	}
		1277	}
		1278	else
		1279	#endif
		1280	recoded_root_pmap = None;
		1281	}
		1282
		1283	if (recoded_root_pmap == None)
1100	return 0;	1284	return 0;
1101		1285
1102	if (root_pixmap == None)	1286	if (bg_pixmap == None
		1287	|| bg_pmap_width != window_width
		1288	|| bg_pmap_height != window_height)
1103	{	1289	{
1104	/* use tricks to obtain the root background image :*/	1290	if (bg_pixmap)
1105	/* we want to create Overrideredirect window overlapping out window
1106	with background type of Parent Relative and then grab it */
1107	XSetWindowAttributes attr;
1108	Window src;
1109	bool success = false;
1110
1111	attr.background_pixmap = ParentRelative;
1112	attr.backing_store = Always;
1113	attr.event_mask = ExposureMask;
1114	attr.override_redirect = True;
1115	src = XCreateWindow (dpy, root, sx, sy, window_width, window_height, 0,
1116	CopyFromParent, CopyFromParent, CopyFromParent,
1117	CWBackPixmap|CWBackingStore|CWOverrideRedirect|CWEventMask,
1118	&attr);
1119
1120	if (src != None)
1121	{
1122	XEvent event;
1123	int ev_count = 0;
1124	XGrabServer (dpy);
1125	XMapRaised (dpy, src);
1126	XSync (dpy, False);
1127
1128	/* XSync should get window where it's properly exposed,
1129	* but to be on the safe side - let's check for the actual event to arrive : */
1130	while (XCheckWindowEvent (dpy, src, ExposureMask, &event))
1131	++ev_count;
1132
1133	if (ev_count > 0);
1134	{
1135	/* hooray! - we can grab the image! */
1136	gc = XCreateGC (dpy, root, 0, NULL);
1137	if (gc)
1138	{
1139	XCopyArea (dpy, src, tiled_root_pmap, gc, 0, 0, window_width, window_height, 0, 0);
1140	success = true;
1141	}
1142	}
1143
1144	XDestroyWindow (dpy, src);
1145	XUngrabServer (dpy);
1146	//fprintf (stderr, "%s:%d: ev_count = %d\n", __FUNCTION__, __LINE__, ev_count);
1147	}
1148
1149	if (!success)
1150	{
1151	XFreePixmap (dpy, tiled_root_pmap);	1291	XFreePixmap (dpy, bg_pixmap);
1152	tiled_root_pmap = None;	1292	bg_pixmap = XCreatePixmap (dpy, vt, window_width, window_height, depth);
1153	}	1293	bg_pmap_width = window_width;
1154	else	1294	bg_pmap_height = window_height;
1155	result |= transpPmapTiled;
1156	}	1295	}
1157	else	1296
		1297	if (bg_pixmap != None)
1158	{	1298	{
1159	/* straightforward pixmap copy */	1299	/* straightforward pixmap copy */
		1300	while (sx < 0) sx += root_width;
		1301	while (sy < 0) sy += root_height;
		1302
1160	gcv.tile = root_pixmap;	1303	gcv.tile = recoded_root_pmap;
1161	gcv.fill_style = FillTiled;	1304	gcv.fill_style = FillTiled;
1162
1163	while (sx < 0) sx += (int)root_width;
1164	while (sy < 0) sy += (int)root_height;
1165
1166	gcv.ts_x_origin = -sx;	1305	gcv.ts_x_origin = -sx;
1167	gcv.ts_y_origin = -sy;	1306	gcv.ts_y_origin = -sy;
1168	gc = XCreateGC (dpy, root, GCFillStyle | GCTile | GCTileStipXOrigin | GCTileStipYOrigin, &gcv);	1307	gc = XCreateGC (dpy, vt, GCFillStyle | GCTile | GCTileStipXOrigin | GCTileStipYOrigin, &gcv);
1169		1308
1170	if (gc)	1309	if (gc)
1171	{	1310	{
1172	XFillRectangle (dpy, tiled_root_pmap, gc, 0, 0, window_width, window_height);	1311	XFillRectangle (dpy, bg_pixmap, gc, 0, 0, window_width, window_height);
1173	result |= transpPmapTiled;	1312	result |= BG_IS_VALID | (bg_flags & BG_EFFECTS_FLAGS);
1174	}	1313	XFreeGC (dpy, gc);
1175	}
1176	TIMING_TEST_PRINT_RESULT (tp);
1177		1314
1178	if (tiled_root_pmap != None)	1315	if (!(bg_flags & BG_CLIENT_RENDER))
1179	{
1180	if (!need_client_side_rendering ())
1181	{	1316	{
1182	if ((flags & tintNeeded))	1317	if ((bg_flags & BG_NEEDS_BLUR)
1183	{	1318	&& (bg_flags & BG_HAS_RENDER_CONV))
1184	if (flags & tintWholesome)
1185	{	1319	{
1186	/* In this case we can tint image server-side getting significant	1320	if (blur_pixmap (bg_pixmap, visual, window_width, window_height))
1187	* performance improvements, as we eliminate XImage transfer	1321	result &= ~BG_NEEDS_BLUR;
1188	*/
1189	gcv.foreground = Pixel (tint);
1190	gcv.function = GXand;
1191	gcv.fill_style = FillSolid;
1192	if (gc)
1193	XChangeGC (dpy, gc, GCFillStyle | GCForeground | GCFunction, &gcv);
1194	else
1195	gc = XCreateGC (dpy, root, GCFillStyle | GCForeground | GCFunction, &gcv);
1196	if (gc)
1197	{
1198	XFillRectangle (dpy, tiled_root_pmap, gc, 0, 0, window_width, window_height);
1199	result |= transpPmapTinted;
1200	}
1201	}	1322	}
1202	else	1323	if ((bg_flags & BG_NEEDS_TINT)
		1324	&& (bg_flags & (BG_TINT_BITAND | BG_HAS_RENDER)))
1203	{	1325	{
1204	# if XFT	1326	if (tint_pixmap (bg_pixmap, visual, window_width, window_height))
1205	Picture back_pic = 0;	1327	result &= ~BG_NEEDS_TINT;
1206	rgba c (rgba::MAX_CC,rgba::MAX_CC,rgba::MAX_CC);
1207
1208	if (flags & tintSet)
1209	tint.get (c);
1210
1211	if (shade > 0 && shade < 100)
1212	{
1213	c.r = (c.r * shade) / 100;
1214	c.g = (c.g * shade) / 100;
1215	c.b = (c.b * shade) / 100;
1216	}
1217	else if (shade > 100 && shade < 200)
1218	{
1219	c.r = (c.r * (200 - shade)) / 100;
1220	c.g = (c.g * (200 - shade)) / 100;
1221	c.b = (c.b * (200 - shade)) / 100;
1222	}
1223
1224	XRenderPictFormat pf;
1225	pf.type = PictTypeDirect;
1226	pf.depth = 32;
1227	pf.direct.redMask = 0xff;
1228	pf.direct.greenMask = 0xff;
1229	pf.direct.blueMask = 0xff;
1230	pf.direct.alphaMask = 0xff;
1231
1232	XRenderPictFormat *solid_format = XRenderFindFormat (dpy,
1233	(PictFormatType|
1234	PictFormatDepth|
1235	PictFormatRedMask|
1236	PictFormatGreenMask|
1237	PictFormatBlueMask|
1238	PictFormatAlphaMask),
1239	&pf,
1240	0);
1241	XRenderPictFormat *root_format = XRenderFindVisualFormat (dpy, DefaultVisualOfScreen (ScreenOfDisplay (dpy, target->display->screen)));
1242	XRenderPictureAttributes pa ;
1243
1244	back_pic = XRenderCreatePicture (dpy, tiled_root_pmap, root_format, 0, &pa);
1245
1246	pa.repeat = True;
1247
1248	Pixmap overlay_pmap = XCreatePixmap (dpy, root, 1, 1, 32);
1249	Picture overlay_pic = XRenderCreatePicture (dpy, overlay_pmap, solid_format, CPRepeat, &pa);
1250	XFreePixmap (dpy, overlay_pmap);
1251
1252	pa.component_alpha = True;
1253	Pixmap mask_pmap = XCreatePixmap (dpy, root, 1, 1, 32);
1254	Picture mask_pic = XRenderCreatePicture (dpy, mask_pmap, solid_format, CPRepeat|CPComponentAlpha, &pa);
1255	XFreePixmap (dpy, mask_pmap);
1256
1257	if (mask_pic && overlay_pic && back_pic)
1258	{
1259	XRenderColor mask_c;
1260
1261	memset (&mask_c, (shade > 100) ? 0xFF : 0x0, sizeof (mask_c));
1262	mask_c.alpha = 0xffff;
1263	XRenderFillRectangle (dpy, PictOpSrc, overlay_pic, &mask_c, 0, 0, 1, 1);
1264
1265	mask_c.alpha = 0;
1266	mask_c.red = 0xffff - c.r;
1267	mask_c.green = 0xffff - c.g;
1268	mask_c.blue = 0xffff - c.b;
1269	XRenderFillRectangle (dpy, PictOpSrc, mask_pic, &mask_c, 0, 0, 1, 1);
1270	XRenderComposite (dpy, PictOpOver, overlay_pic, mask_pic, back_pic, 0, 0, 0, 0, 0, 0, window_width, window_height);
1271	result |= transpPmapTinted;
1272	}
1273
1274	XRenderFreePicture (dpy, mask_pic);
1275	XRenderFreePicture (dpy, overlay_pic);
1276	XRenderFreePicture (dpy, back_pic);
1277	# if DO_TIMING_TEST
1278	XSync (dpy, False);
1279	# endif
1280	# endif
1281	}	1328	}
1282	}
1283	} /* server side rendering completed */	1329	} /* server side rendering completed */
1284		1330	}
1285	if (pixmap)
1286	XFreePixmap (dpy, pixmap);
1287
1288	pixmap = tiled_root_pmap;
1289	pmap_width = window_width;
1290	pmap_height = window_height;
1291	pmap_depth = root_depth;
1292	}	1331	}
1293		1332
1294	if (gc)	1333	if (recoded_root_pmap != root_pixmap)
1295	XFreeGC (dpy, gc);	1334	XFreePixmap (dpy, recoded_root_pmap);
1296
1297	TIMING_TEST_PRINT_RESULT (tp);
1298		1335
1299	return result;	1336	return result;
1300	}	1337	}
1301		1338
		1339	void
		1340	rxvt_term::bg_set_root_pixmap ()
		1341	{
		1342	Pixmap new_root_pixmap = get_pixmap_property (xa[XA_XROOTPMAP_ID]);
		1343	if (new_root_pixmap == None)
		1344	new_root_pixmap = get_pixmap_property (xa[XA_ESETROOT_PMAP_ID]);
		1345
		1346	root_pixmap = new_root_pixmap;
		1347	}
		1348	# endif /* ENABLE_TRANSPARENCY */
		1349
		1350	#if defined(ENABLE_TRANSPARENCY) && !defined(HAVE_AFTERIMAGE)
		1351	static void shade_ximage (Visual *visual, XImage *ximage, int shade, const rgba &c);
		1352	# endif
		1353
1302	bool	1354	bool
1303	bgPixmap_t::set_root_pixmap ()	1355	rxvt_term::bg_render ()
1304	{	1356	{
1305	Pixmap new_root_pixmap = target->get_pixmap_property (XA_XROOTPMAP_ID);	1357	unsigned long tr_flags = 0;
1306	if (new_root_pixmap == None)
1307	new_root_pixmap = target->get_pixmap_property (XA_ESETROOT_PMAP_ID);
1308		1358
1309	if (new_root_pixmap != root_pixmap)	1359	bg_invalidate ();
1310	{	1360	# ifdef ENABLE_TRANSPARENCY
1311	root_pixmap = new_root_pixmap;	1361	if (bg_flags & BG_IS_TRANSPARENT)
1312	return true;
1313	}	1362	{
1314		1363	/* we need to re-generate transparency pixmap in that case ! */
		1364	tr_flags = make_transparency_pixmap ();
		1365	if (tr_flags == 0)
1315	return false;	1366	return false;
1316	}	1367	else if (!(tr_flags & BG_EFFECTS_FLAGS))
1317	# endif /* ENABLE_TRANSPARENCY */	1368	bg_flags |= BG_IS_VALID;
1318		1369	}
1319	# ifndef HAVE_AFTERIMAGE
1320	static void ShadeXImage(rxvt_term *term, XImage *srcImage, int shade, int rm, int gm, int bm);
1321	# endif	1370	# endif
1322		1371
1323	bool	1372	# ifdef BG_IMAGE_FROM_FILE
1324	bgPixmap_t::render ()	1373	if ((bg_flags & BG_IS_FROM_FILE)
1325	{	1374	|| (tr_flags & BG_EFFECTS_FLAGS))
1326	unsigned long background_flags = 0;
1327
1328	if (target == NULL)
1329	return false;
1330
1331	TIMING_TEST_START (tp);
1332
1333	invalidate ();
1334	# ifdef ENABLE_TRANSPARENCY
1335	if (flags & isTransparent)
1336	{	1375	{
1337	/* we need to re-generate transparency pixmap in that case ! */	1376	if (render_image (tr_flags))
1338	background_flags = make_transparency_pixmap ();	1377	bg_flags |= BG_IS_VALID;
1339	if (background_flags == 0)
1340	return false;
1341	else if ((background_flags & transpTransformations) == (flags & transpTransformations)
1342	&& pmap_depth == target->depth)
1343	flags = flags & ~isInvalid;
1344	}	1378	}
1345	# endif	1379	# endif
1346		1380
1347	# ifdef BG_IMAGE_FROM_FILE	1381	# if defined(ENABLE_TRANSPARENCY) && !defined(HAVE_AFTERIMAGE)
1348	if (have_image	1382	XImage *result = NULL;
1349	|| (background_flags & transpTransformations) != (flags & transpTransformations))	1383
		1384	if (tr_flags && !(bg_flags & BG_IS_VALID))
		1385	{
		1386	result = XGetImage (dpy, bg_pixmap, 0, 0, bg_pmap_width, bg_pmap_height, AllPlanes, ZPixmap);
1350	{	1387	}
1351	if (render_image (background_flags))	1388
1352	flags = flags & ~isInvalid;	1389	if (result)
		1390	{
		1391	/* our own client-side tinting */
		1392	if (tr_flags & BG_NEEDS_TINT)
		1393	{
		1394	rgba c (rgba::MAX_CC,rgba::MAX_CC,rgba::MAX_CC);
		1395	if (bg_flags & BG_TINT_SET)
		1396	tint.get (c);
		1397	shade_ximage (DefaultVisual (dpy, display->screen), result, shade, c);
		1398	}
		1399
		1400	GC gc = XCreateGC (dpy, vt, 0UL, NULL);
		1401
		1402	if (gc)
		1403	{
		1404	XPutImage (dpy, bg_pixmap, gc, result, 0, 0, 0, 0, result->width, result->height);
		1405
		1406	XFreeGC (dpy, gc);
		1407	bg_flags |= BG_IS_VALID;
		1408	}
		1409
		1410	XDestroyImage (result);
1353	}	1411	}
1354	# endif	1412	# endif
1355		1413
1356	XImage *result = NULL;	1414	if (!(bg_flags & BG_IS_VALID))
1357
1358	if (background_flags && (flags & isInvalid))
1359	{
1360	result = XGetImage (target->dpy, pixmap, 0, 0, pmap_width, pmap_height, AllPlanes, ZPixmap);
1361	}	1415	{
1362
1363	if (result)
1364	{
1365	# if !defined(HAVE_AFTERIMAGE) && !XFT
1366	/* our own client-side tinting */
1367	/* ATTENTION: We ASSUME that XFT will let us do all the tinting necessary server-side.
1368	This may need to be changed in need_client_side_rendering() logic is altered !!! */
1369	if (!(background_flags & transpPmapTinted) && (flags & tintNeeded))
1370	{
1371	rgba c (rgba::MAX_CC,rgba::MAX_CC,rgba::MAX_CC);
1372	if (flags & tintSet)
1373	tint.get (c);
1374	ShadeXImage (target, result, shade, c.r, c.g, c.b);
1375	}
1376	# endif
1377
1378	GC gc = XCreateGC (target->dpy, target->vt, 0UL, NULL);
1379
1380	if (gc)
1381	{
1382	if (/*pmap_depth != target->depth &&*/ pixmap != None)
1383	{
1384	XFreePixmap (target->dpy, pixmap);
1385	pixmap = None;
1386	}
1387
1388	if (pixmap == None)
1389	{
1390	pixmap = XCreatePixmap (target->dpy, target->vt, result->width, result->height, target->depth);
1391	pmap_width = result->width;
1392	pmap_height = result->height;
1393	pmap_depth = target->depth;
1394	}
1395
1396	if (pmap_depth != result->depth)
1397	{
1398	/* Bad Match error will ensue ! stupid X !!!! */
1399	if (result->depth == 24 && pmap_depth == 32)
1400	result->depth = 32;
1401	else if (result->depth == 32 && pmap_depth == 24)
1402	result->depth = 24;
1403	else
1404	{
1405	/* TODO: implement image recoding */
1406	}
1407	}
1408
1409	if (pmap_depth == result->depth)
1410	XPutImage (target->dpy, pixmap, gc, result, 0, 0, 0, 0, result->width, result->height);
1411
1412	XFreeGC (target->dpy, gc);
1413	flags = flags & ~isInvalid;
1414	}
1415
1416	XDestroyImage (result);
1417	}
1418
1419	if (flags & isInvalid)
1420	{
1421	if (pixmap != None)	1416	if (bg_pixmap != None)
1422	{	1417	{
1423	XFreePixmap (target->dpy, pixmap);	1418	XFreePixmap (dpy, bg_pixmap);
1424	pixmap = None;	1419	bg_pixmap = None;
1425	}	1420	}
1426	}	1421	}
1427		1422
1428	apply ();	1423	scr_recolour (false);
		1424	bg_flags |= BG_NEEDS_REFRESH;
1429		1425
1430	XSync (target->dpy, False);
1431	valid_since = ev::now ();	1426	bg_valid_since = ev::now ();
1432
1433	TIMING_TEST_PRINT_RESULT (tp);
1434		1427
1435	return true;	1428	return true;
1436	}	1429	}
1437		1430
1438	bool
1439	bgPixmap_t::set_target (rxvt_term *new_target)
1440	{
1441	if (new_target)
1442	if (target != new_target)
1443	{
1444	target = new_target;
1445	# ifdef ENABLE_TRANSPARENCY
1446	root_depth = DefaultDepthOfScreen (ScreenOfDisplay (target->dpy, target->display->screen));
1447	# endif
1448	return true;
1449	}
1450
1451	return false;
1452	}
1453
1454	void	1431	void
1455	bgPixmap_t::apply ()	1432	rxvt_term::bg_init ()
1456	{	1433	{
1457	if (target)
1458	{
1459	flags &= ~isVtOrigin;
1460
1461	if (pixmap != None)
1462	{
1463	/* set target's background to pixmap */
1464	# ifdef ENABLE_TRANSPARENCY	1434	#ifdef ENABLE_TRANSPARENCY
1465	if (flags & isTransparent)	1435	shade = 100;
1466	{
1467	XSetWindowBackgroundPixmap (target->dpy, target->parent[0], pixmap);
1468	XSetWindowBackgroundPixmap (target->dpy, target->vt, ParentRelative);
1469
1470	if (target->scrollBar.win)
1471	XSetWindowBackgroundPixmap (target->dpy, target->scrollBar.win, ParentRelative);
1472	}
1473	else
1474	# endif	1436	#endif
1475	{
1476	flags |= isVtOrigin;
1477	/* force old pixmap dereference in case it was transparent before :*/
1478	XSetWindowBackground (target->dpy, target->parent[0], target->pix_colors[Color_border]);
1479	XSetWindowBackgroundPixmap (target->dpy, target->vt, pixmap);
1480	/* do we also need to set scrollbar's background here ? */
1481		1437
1482	if (target->scrollBar.win)	1438	bg_flags &= ~(BG_HAS_RENDER | BG_HAS_RENDER_CONV);
1483	XSetWindowBackground (target->dpy, target->scrollBar.win, target->pix_colors[Color_border]);	1439	#if XRENDER
1484	}	1440	int major, minor;
1485	}	1441	if (XRenderQueryVersion (dpy, &major, &minor))
1486	else	1442	bg_flags |= BG_HAS_RENDER;
1487	{	1443	XFilters *filters = XRenderQueryFilters (dpy, vt);
1488	/* set target background to a pixel */	1444	if (filters)
1489	XSetWindowBackground (target->dpy, target->parent[0], target->pix_colors[Color_border]);
1490	XSetWindowBackground (target->dpy, target->vt, target->pix_colors[Color_bg]);
1491	/* do we also need to set scrollbar's background here ? */
1492	if (target->scrollBar.win)
1493	XSetWindowBackground (target->dpy, target->scrollBar.win, target->pix_colors[Color_border]);
1494	}
1495
1496	/* don't want Expose on the parent or vt. It is better to use
1497	scr_touch or we get a great deal of flicker otherwise: */
1498	XClearWindow (target->dpy, target->parent[0]);
1499
1500	if (target->scrollBar.state && target->scrollBar.win)
1501	{
1502	target->scrollBar.state = STATE_IDLE;
1503	target->scrollBar.show (0);
1504	}
1505
1506	target->want_refresh = 1;
1507	flags |= hasChanged;
1508	}	1445	{
		1446	for (int i = 0; i < filters->nfilter; i++)
		1447	if (!strcmp (filters->filter[i], FilterConvolution))
		1448	bg_flags |= BG_HAS_RENDER_CONV;
		1449
		1450	XFree (filters);
		1451	}
		1452	#endif
1509	}	1453	}
1510		1454
1511	#endif /* HAVE_BG_PIXMAP */	1455	#endif /* HAVE_BG_PIXMAP */
1512		1456
1513	#if defined(ENABLE_TRANSPARENCY) && !defined(HAVE_AFTERIMAGE) && !XFT	1457	#if defined(ENABLE_TRANSPARENCY) && !defined(HAVE_AFTERIMAGE)
1514	/* taken from aterm-0.4.2 */	1458	/* taken from aterm-0.4.2 */
1515		1459
1516	typedef uint32_t RUINT32T;
1517
1518	static void	1460	static void
1519	ShadeXImage(rxvt_term *term, XImage *srcImage, int shade, int rm, int gm, int bm)	1461	shade_ximage (Visual *visual, XImage *ximage, int shade, const rgba &c)
1520	{	1462	{
1521	int sh_r, sh_g, sh_b;	1463	int sh_r, sh_g, sh_b;
1522	RUINT32T mask_r, mask_g, mask_b;	1464	uint32_t mask_r, mask_g, mask_b;
1523	RUINT32T *lookup, *lookup_r, *lookup_g, *lookup_b;	1465	uint32_t *lookup, *lookup_r, *lookup_g, *lookup_b;
1524	unsigned int lower_lim_r, lower_lim_g, lower_lim_b;	1466	rgba low;
1525	unsigned int upper_lim_r, upper_lim_g, upper_lim_b;	1467	rgba high;
1526	int i;	1468	int i;
		1469	int host_byte_order = byteorder::big_endian () ? MSBFirst : LSBFirst;
1527		1470
1528	Visual *visual = term->visual;
1529
1530	if (visual->c_class != TrueColor || srcImage->format != ZPixmap) return ;	1471	if (visual->c_class != TrueColor || ximage->format != ZPixmap) return;
1531
1532	if (shade == 0)
1533	shade = 100;
1534		1472
1535	/* for convenience */	1473	/* for convenience */
1536	mask_r = visual->red_mask;	1474	mask_r = visual->red_mask;
1537	mask_g = visual->green_mask;	1475	mask_g = visual->green_mask;
1538	mask_b = visual->blue_mask;	1476	mask_b = visual->blue_mask;
1539		1477
1540	/* boring lookup table pre-initialization */	1478	/* boring lookup table pre-initialization */
1541	switch (srcImage->bits_per_pixel) {	1479	switch (ximage->depth)
		1480	{
1542	case 15:	1481	case 15:
1543	if ((mask_r != 0x7c00) ||	1482	if ((mask_r != 0x7c00) ||
1544	(mask_g != 0x03e0) ||	1483	(mask_g != 0x03e0) ||
1545	(mask_b != 0x001f))	1484	(mask_b != 0x001f))
1546	return;	1485	return;
1547	lookup = (RUINT32T *) malloc (sizeof (RUINT32T)*(32+32+32));	1486	lookup = (uint32_t *) malloc (sizeof (uint32_t)*(32+32+32));
1548	lookup_r = lookup;	1487	lookup_r = lookup;
1549	lookup_g = lookup+32;	1488	lookup_g = lookup+32;
1550	lookup_b = lookup+32+32;	1489	lookup_b = lookup+32+32;
1551	sh_r = 10;	1490	sh_r = 10;
1552	sh_g = 5;	1491	sh_g = 5;
1553	sh_b = 0;	1492	sh_b = 0;
1554	break;	1493	break;
1555	case 16:	1494	case 16:
1556	if ((mask_r != 0xf800) ||	1495	if ((mask_r != 0xf800) ||
1557	(mask_g != 0x07e0) ||	1496	(mask_g != 0x07e0) ||
1558	(mask_b != 0x001f))	1497	(mask_b != 0x001f))
1559	return;	1498	return;
1560	lookup = (RUINT32T *) malloc (sizeof (RUINT32T)*(32+64+32));	1499	lookup = (uint32_t *) malloc (sizeof (uint32_t)*(32+64+32));
1561	lookup_r = lookup;	1500	lookup_r = lookup;
1562	lookup_g = lookup+32;	1501	lookup_g = lookup+32;
1563	lookup_b = lookup+32+64;	1502	lookup_b = lookup+32+64;
1564	sh_r = 11;	1503	sh_r = 11;
1565	sh_g = 5;	1504	sh_g = 5;
1566	sh_b = 0;	1505	sh_b = 0;
1567	break;	1506	break;
1568	case 24:	1507	case 24:
1569	if ((mask_r != 0xff0000) ||	1508	if ((mask_r != 0xff0000) ||
1570	(mask_g != 0x00ff00) ||	1509	(mask_g != 0x00ff00) ||
1571	(mask_b != 0x0000ff))	1510	(mask_b != 0x0000ff))
1572	return;	1511	return;
1573	lookup = (RUINT32T *) malloc (sizeof (RUINT32T)*(256+256+256));	1512	lookup = (uint32_t *) malloc (sizeof (uint32_t)*(256+256+256));
1574	lookup_r = lookup;	1513	lookup_r = lookup;
1575	lookup_g = lookup+256;	1514	lookup_g = lookup+256;
1576	lookup_b = lookup+256+256;	1515	lookup_b = lookup+256+256;
1577	sh_r = 16;	1516	sh_r = 16;
1578	sh_g = 8;	1517	sh_g = 8;
1579	sh_b = 0;	1518	sh_b = 0;
1580	break;	1519	break;
1581	case 32:	1520	case 32:
1582	if ((mask_r != 0xff0000) ||	1521	if ((mask_r != 0xff0000) ||
1583	(mask_g != 0x00ff00) ||	1522	(mask_g != 0x00ff00) ||
1584	(mask_b != 0x0000ff))	1523	(mask_b != 0x0000ff))
1585	return;	1524	return;
1586	lookup = (RUINT32T *) malloc (sizeof (RUINT32T)*(256+256+256));	1525	lookup = (uint32_t *) malloc (sizeof (uint32_t)*(256+256+256));
1587	lookup_r = lookup;	1526	lookup_r = lookup;
1588	lookup_g = lookup+256;	1527	lookup_g = lookup+256;
1589	lookup_b = lookup+256+256;	1528	lookup_b = lookup+256+256;
1590	sh_r = 16;	1529	sh_r = 16;
1591	sh_g = 8;	1530	sh_g = 8;
1592	sh_b = 0;	1531	sh_b = 0;
1593	break;	1532	break;
1594	default:	1533	default:
1595	return; /* we do not support this color depth */	1534	return; /* we do not support this color depth */
1596	}	1535	}
1597		1536
1598	/* prepare limits for color transformation (each channel is handled separately) */	1537	/* prepare limits for color transformation (each channel is handled separately) */
1599	if (shade < 0) {	1538	if (shade > 100)
		1539	{
1600	shade = -shade;	1540	shade = 200 - shade;
1601	if (shade < 0) shade = 0;
1602	if (shade > 100) shade = 100;
1603		1541
1604	lower_lim_r = 65535-rm;	1542	high.r = c.r * shade / 100;
1605	lower_lim_g = 65535-gm;	1543	high.g = c.g * shade / 100;
1606	lower_lim_b = 65535-bm;	1544	high.b = c.b * shade / 100;
1607		1545
1608	lower_lim_r = 65535-(unsigned int)(((RUINT32T)lower_lim_r)*((RUINT32T)shade)/100);	1546	low.r = 65535 * (100 - shade) / 100;
1609	lower_lim_g = 65535-(unsigned int)(((RUINT32T)lower_lim_g)*((RUINT32T)shade)/100);	1547	low.g = 65535 * (100 - shade) / 100;
1610	lower_lim_b = 65535-(unsigned int)(((RUINT32T)lower_lim_b)*((RUINT32T)shade)/100);	1548	low.b = 65535 * (100 - shade) / 100;
1611
1612	upper_lim_r = upper_lim_g = upper_lim_b = 65535;
1613	} else {
1614	if (shade < 0) shade = 0;
1615	if (shade > 100) shade = 100;
1616
1617	lower_lim_r = lower_lim_g = lower_lim_b = 0;
1618
1619	upper_lim_r = (unsigned int)((((RUINT32T)rm)*((RUINT32T)shade))/100);
1620	upper_lim_g = (unsigned int)((((RUINT32T)gm)*((RUINT32T)shade))/100);
1621	upper_lim_b = (unsigned int)((((RUINT32T)bm)*((RUINT32T)shade))/100);
1622	}	1549	}
1623		1550	else
1624	/* switch red and blue bytes if necessary, we need it for some weird XServers like XFree86 3.3.3.1 */
1625	if ((srcImage->bits_per_pixel == 24) && (mask_r >= 0xFF0000 ))
1626	{	1551	{
1627	unsigned int tmp;	1552	high.r = c.r * shade / 100;
		1553	high.g = c.g * shade / 100;
		1554	high.b = c.b * shade / 100;
1628		1555
1629	tmp = lower_lim_r;	1556	low.r = low.g = low.b = 0;
1630	lower_lim_r = lower_lim_b;
1631	lower_lim_b = tmp;
1632
1633	tmp = upper_lim_r;
1634	upper_lim_r = upper_lim_b;
1635	upper_lim_b = tmp;
1636	}	1557	}
1637		1558
1638	/* fill our lookup tables */	1559	/* fill our lookup tables */
1639	for (i = 0; i <= mask_r>>sh_r; i++)	1560	for (i = 0; i <= mask_r>>sh_r; i++)
1640	{	1561	{
1641	RUINT32T tmp;	1562	uint32_t tmp;
1642	tmp = ((RUINT32T)i)*((RUINT32T)(upper_lim_r-lower_lim_r));	1563	tmp = i * high.r;
1643	tmp += ((RUINT32T)(mask_r>>sh_r))*((RUINT32T)lower_lim_r);	1564	tmp += (mask_r>>sh_r) * low.r;
1644	lookup_r[i] = (tmp/65535)<<sh_r;	1565	lookup_r[i] = (tmp/65535)<<sh_r;
1645	}	1566	}
1646	for (i = 0; i <= mask_g>>sh_g; i++)	1567	for (i = 0; i <= mask_g>>sh_g; i++)
1647	{	1568	{
1648	RUINT32T tmp;	1569	uint32_t tmp;
1649	tmp = ((RUINT32T)i)*((RUINT32T)(upper_lim_g-lower_lim_g));	1570	tmp = i * high.g;
1650	tmp += ((RUINT32T)(mask_g>>sh_g))*((RUINT32T)lower_lim_g);	1571	tmp += (mask_g>>sh_g) * low.g;
1651	lookup_g[i] = (tmp/65535)<<sh_g;	1572	lookup_g[i] = (tmp/65535)<<sh_g;
1652	}	1573	}
1653	for (i = 0; i <= mask_b>>sh_b; i++)	1574	for (i = 0; i <= mask_b>>sh_b; i++)
1654	{	1575	{
1655	RUINT32T tmp;	1576	uint32_t tmp;
1656	tmp = ((RUINT32T)i)*((RUINT32T)(upper_lim_b-lower_lim_b));	1577	tmp = i * high.b;
1657	tmp += ((RUINT32T)(mask_b>>sh_b))*((RUINT32T)lower_lim_b);	1578	tmp += (mask_b>>sh_b) * low.b;
1658	lookup_b[i] = (tmp/65535)<<sh_b;	1579	lookup_b[i] = (tmp/65535)<<sh_b;
1659	}	1580	}
1660		1581
1661	/* apply table to input image (replacing colors by newly calculated ones) */	1582	/* apply table to input image (replacing colors by newly calculated ones) */
1662	switch (srcImage->bits_per_pixel)	1583	if (ximage->bits_per_pixel == 32
		1584	&& (ximage->depth == 24 || ximage->depth == 32)
		1585	&& ximage->byte_order == host_byte_order)
1663	{	1586	{
1664	case 15:
1665	{
1666	unsigned short *p1, *pf, *p, *pl;	1587	uint32_t *p1, *pf, *p, *pl;
1667	p1 = (unsigned short *) srcImage->data;	1588	p1 = (uint32_t *) ximage->data;
1668	pf = (unsigned short *) (srcImage->data + srcImage->height * srcImage->bytes_per_line);	1589	pf = (uint32_t *) (ximage->data + ximage->height * ximage->bytes_per_line);
		1590
1669	while (p1 < pf)	1591	while (p1 < pf)
1670	{	1592	{
1671	p = p1;	1593	p = p1;
1672	pl = p1 + srcImage->width;	1594	pl = p1 + ximage->width;
1673	for (; p < pl; p++)	1595	for (; p < pl; p++)
1674	{	1596	{
1675	*p = lookup_r[(*p & 0x7c00)>>10] |
1676	lookup_g[(*p & 0x03e0)>> 5] |
1677	lookup_b[(*p & 0x001f)];
1678	}
1679	p1 = (unsigned short *) ((char *) p1 + srcImage->bytes_per_line);
1680	}
1681	break;
1682	}
1683	case 16:
1684	{
1685	unsigned short *p1, *pf, *p, *pl;
1686	p1 = (unsigned short *) srcImage->data;
1687	pf = (unsigned short *) (srcImage->data + srcImage->height * srcImage->bytes_per_line);
1688	while (p1 < pf)
1689	{
1690	p = p1;
1691	pl = p1 + srcImage->width;
1692	for (; p < pl; p++)
1693	{
1694	*p = lookup_r[(*p & 0xf800)>>11] |
1695	lookup_g[(*p & 0x07e0)>> 5] |
1696	lookup_b[(*p & 0x001f)];
1697	}
1698	p1 = (unsigned short *) ((char *) p1 + srcImage->bytes_per_line);
1699	}
1700	break;
1701	}
1702	case 24:
1703	{
1704	unsigned char *p1, *pf, *p, *pl;
1705	p1 = (unsigned char *) srcImage->data;
1706	pf = (unsigned char *) (srcImage->data + srcImage->height * srcImage->bytes_per_line);
1707	while (p1 < pf)
1708	{
1709	p = p1;
1710	pl = p1 + srcImage->width * 3;
1711	for (; p < pl; p += 3)
1712	{
1713	p[0] = lookup_r[(p[0] & 0xff0000)>>16];
1714	p[1] = lookup_r[(p[1] & 0x00ff00)>> 8];
1715	p[2] = lookup_r[(p[2] & 0x0000ff)];
1716	}
1717	p1 = (unsigned char *) ((char *) p1 + srcImage->bytes_per_line);
1718	}
1719	break;
1720	}
1721	case 32:
1722	{
1723	RUINT32T *p1, *pf, *p, *pl;
1724	p1 = (RUINT32T *) srcImage->data;
1725	pf = (RUINT32T *) (srcImage->data + srcImage->height * srcImage->bytes_per_line);
1726
1727	while (p1 < pf)
1728	{
1729	p = p1;
1730	pl = p1 + srcImage->width;
1731	for (; p < pl; p++)
1732	{
1733	*p = lookup_r[(*p & 0xff0000)>>16] |	1597	*p = lookup_r[(*p & 0xff0000) >> 16] |
1734	lookup_g[(*p & 0x00ff00)>> 8] |	1598	lookup_g[(*p & 0x00ff00) >> 8] |
1735	lookup_b[(*p & 0x0000ff)] |	1599	lookup_b[(*p & 0x0000ff)] |
1736	(*p & ~0xffffff);	1600	(*p & 0xff000000);
		1601	}
		1602	p1 = (uint32_t *) ((char *) p1 + ximage->bytes_per_line);
		1603	}
		1604	}
		1605	else
		1606	{
		1607	for (int y = 0; y < ximage->height; y++)
		1608	for (int x = 0; x < ximage->width; x++)
		1609	{
		1610	unsigned long pixel = XGetPixel (ximage, x, y);
		1611	pixel = lookup_r[(pixel & mask_r) >> sh_r] |
		1612	lookup_g[(pixel & mask_g) >> sh_g] |
		1613	lookup_b[(pixel & mask_b) >> sh_b];
		1614	XPutPixel (ximage, x, y, pixel);
1737	}	1615	}
1738	p1 = (RUINT32T *) ((char *) p1 + srcImage->bytes_per_line);
1739	}	1616	}
1740	break;
1741	}
1742	}
1743		1617
1744	free (lookup);	1618	free (lookup);
1745	}	1619	}
1746	#endif /* defined(ENABLE_TRANSPARENCY) && !defined(HAVE_AFTERIMAGE) */	1620	#endif /* defined(ENABLE_TRANSPARENCY) && !defined(HAVE_AFTERIMAGE) */

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