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Comparing rxvt-unicode/src/background.C (file contents):
Revision 1.61 by sf-exg, Sun Oct 3 20:48:34 2010 UTC vs.
Revision 1.145 by sf-exg, Fri Jan 28 00:21:10 2011 UTC

…		…
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 <pcg@goof.com>
7	* Copyright (c) 2007 Sasha Vasko <sasha@aftercode.net>	7	* Copyright (c) 2007 Sasha Vasko <sasha@aftercode.net>
		8	* Copyright (c) 2010 Emanuele Giaquinta <e.giaquinta@glauco.it>
8	*	9	*
9	* This program is free software; you can redistribute it and/or modify	10	* This program is free software; you can redistribute it and/or modify
10	* it under the terms of the GNU General Public License as published by	11	* it under the terms of the GNU General Public License as published by
11	* the Free Software Foundation; either version 2 of the License, or	12	* the Free Software Foundation; either version 2 of the License, or
12	* (at your option) any later version.	13	* (at your option) any later version.
…		…
19	* You should have received a copy of the GNU General Public License	20	* You should have received a copy of the GNU General Public License
20	* along with this program; if not, write to the Free Software	21	* along with this program; if not, write to the Free Software
21	* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.	22	* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
22	*---------------------------------------------------------------------*/	23	*---------------------------------------------------------------------*/
23		24
		25	#include <cmath>
24	#include "../config.h" /* NECESSARY */	26	#include "../config.h" /* NECESSARY */
25	#include "rxvt.h" /* NECESSARY */	27	#include "rxvt.h" /* NECESSARY */
26		28
27	#define DO_TIMING_TEST 0	29	#if XRENDER
		30	# include <X11/extensions/Xrender.h>
		31	#endif
28		32
29	#if DO_TIMING_TEST	33	#ifndef FilterConvolution
30	# include <sys/time.h>	34	#define FilterConvolution "convolution"
31	#define TIMING_TEST_START(id) \
32	struct timeval timing_test_##id##_stv; \
33	gettimeofday (&timing_test_##id##_stv, NULL);
34
35	#define TIMING_TEST_PRINT_RESULT(id) \
36	do { \
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 (flags & sizeSensitive)	110	if (bg_flags & BG_IS_SIZE_SENSITIVE)
144	return true;	111	return true;
145	}	112	}
146	# endif	113	# endif
147		114
148	return false;	115	return false;
149	}	116	}
150		117
151	bool	118	bool
152	bgPixmap_t::window_position_sensitive ()	119	rxvt_term::bg_window_position_sensitive ()
153	{	120	{
154	# ifdef ENABLE_TRANSPARENCY	121	# ifdef ENABLE_TRANSPARENCY
155	if (flags & isTransparent)	122	if (bg_flags & BG_IS_TRANSPARENT)
156	return true;	123	return true;
157	# endif	124	# endif
158		125
159	# ifdef BG_IMAGE_FROM_FILE	126	# ifdef BG_IMAGE_FROM_FILE
160	if (have_image)	127	if (bg_flags & BG_IS_FROM_FILE)
161	{	128	{
162	if (h_align == rootAlign || v_align == rootAlign)	129	if (bg_flags & BG_ROOT_ALIGN)
163	return true;	130	return true;
164	}	131	}
165	# endif	132	# endif
166		133
167	return false;
168	};
169
170	bool bgPixmap_t::need_client_side_rendering ()
171	{
172	# ifdef HAVE_AFTERIMAGE
173	if (original_asim)
174	return true;
175	# endif
176	# ifdef ENABLE_TRANSPARENCY
177	if (flags & isTransparent)
178	{
179	# ifdef HAVE_AFTERIMAGE // can't blur without libAI anyways
180	if ((flags & blurNeeded) && !(flags & blurServerSide))
181	return true;
182	# endif
183	if ((flags & tintNeeded) && !(flags & tintServerSide))
184	return true;
185	}
186	# endif
187	return false;	134	return false;
188	}	135	}
189		136
190	# ifdef BG_IMAGE_FROM_FILE	137	# ifdef BG_IMAGE_FROM_FILE
191	static inline bool	138	static inline bool
…		…
207	static inline bool	154	static inline bool
208	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)
209	{	156	{
210	if (geom_flags & flag)	157	if (geom_flags & flag)
211	{	158	{
212	if (new_value != bgPixmap_t::rootAlign)
213	{
214	if (new_value < -100)	159	if (new_value < -100)
215	new_value = -100;	160	new_value = -100;
216	else if (new_value > 200)	161	else if (new_value > 200)
217	new_value = 200;	162	new_value = 200;
218	}
219	if (new_value != align)	163	if (new_value != align)
220	{	164	{
221	align = new_value;	165	align = new_value;
222	return true;	166	return true;
223	}	167	}
…		…
229	make_align_position (int align, int window_size, int image_size)	173	make_align_position (int align, int window_size, int image_size)
230	{	174	{
231	int diff = window_size - image_size;	175	int diff = window_size - image_size;
232	int smaller = min (image_size, window_size);	176	int smaller = min (image_size, window_size);
233		177
234	if (align >= 0 && align <= 50)	178	if (align >= 0 && align <= 100)
235	return diff * align / 100;	179	return diff * align / 100;
236	else if (align > 50 && align <= 100)
237	return window_size - image_size - diff * (100 - align) / 100;
238	else if (align > 100 && align <= 200 )	180	else if (align > 100 && align <= 200)
239	return ((align - 100) * smaller / 100) + window_size - smaller;	181	return ((align - 100) * smaller / 100) + window_size - smaller;
240	else if (align > -100 && align < 0)	182	else if (align >= -100 && align < 0)
241	return ((align + 100) * smaller / 100) - image_size;	183	return ((align + 100) * smaller / 100) - image_size;
242	return 0;	184	return 0;
243	}	185	}
244		186
245	static inline int	187	static inline int
246	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)
247	{	189	{
248	int src_pos = 0;	190	int src_pos = 0;
249	dst_pos = 0;	191	dst_pos = pos;
250	dst_size = size;	192	dst_size = size;
251	if (pos < 0)	193	if (pos < 0)
252	{	194	{
253	src_pos = -pos;	195	src_pos = -pos;
		196	dst_pos = 0;
254	dst_size += pos;	197	dst_size += pos;
255	}	198	}
256	else if (pos > 0)
257	dst_pos = pos;
258		199
259	if (dst_pos + dst_size > target_size)	200	if (dst_pos + dst_size > target_size)
260	dst_size = target_size - dst_pos;	201	dst_size = target_size - dst_pos;
261	return src_pos;	202	return src_pos;
262	}	203	}
263		204
264	bool	205	bool
265	bgPixmap_t::set_geometry (const char *geom)	206	rxvt_term::bg_set_geometry (const char *geom, bool update)
266	{	207	{
		208	bool changed = false;
267	int geom_flags = 0, changed = 0;	209	int geom_flags = 0;
268	int x = 0, y = 0;	210	int x = 0, y = 0;
269	unsigned int w = 0, h = 0;	211	unsigned int w = 0, h = 0;
270	unsigned int n;	212	unsigned int n;
271	unsigned long new_flags = (flags & (~geometryFlags));	213	unsigned long new_flags = (bg_flags & (~BG_GEOMETRY_FLAGS));
272	const char *p;	214	const char *ops;
273	# define MAXLEN_GEOM 256 /* could be longer than regular geometry string */
274		215
275	if (geom == NULL)	216	if (geom == NULL)
276	return false;	217	return false;
277		218
278	char str[MAXLEN_GEOM];	219	char str[256];
279		220
280	while (isspace(*geom)) ++geom;
281	if ((p = strchr (geom, ';')) == NULL)
282	p = strchr (geom, '\0');	221	ops = strchr (geom, ':');
283		222	if (ops == NULL)
		223	n = strlen (geom);
		224	else
284	n = (p - geom);	225	n = ops - geom;
285	if (n < MAXLEN_GEOM)
286	{
287	char *ops;
288	new_flags |= geometrySet;
289		226
		227	if (n >= sizeof (str))
		228	return false;
		229
290	memcpy (str, geom, n);	230	memcpy (str, geom, n);
291	str[n] = '\0';	231	str[n] = '\0';
292	if (str[0] == ':')	232	rxvt_strtrim (str);
293	ops = &str[0];
294	else if (str[0] != 'x' && str[0] != 'X' && isalpha(str[0]))
295	ops = &str[0];
296	else
297	{
298	char *tmp;
299	ops = strchr (str, ':');
300	if (ops != NULL)
301	{
302	for (tmp = ops-1; tmp >= str && isspace(*tmp); --tmp);
303	*(++tmp) = '\0';
304	if (ops == tmp) ++ops;
305	}
306	}
307		233
308	if (ops > str || ops == NULL)	234	if (str[0])
309	{	235	{
310	/* 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 */
311	geom_flags = XParseGeometry (str, &x, &y, &w, &h);	237	geom_flags = XParseGeometry (str, &x, &y, &w, &h);
312
313	if ((geom_flags & XValue) && !(geom_flags & YValue))
314	{
315	y = x;
316	geom_flags |= YValue;
317	}
318
319	if (flags & geometrySet)
320	{
321	/* new geometry is an adjustment to the old one ! */
322	if ((geom_flags & WidthValue) && (geom_flags & HeightValue))
323	{
324	if (w == 0 && h != 0)
325	{
326	w = h_scale;
327	h = (v_scale * h) / 100;
328	}
329	else if (h == 0 && w != 0)
330	{
331	w = (h_scale * w) / 100;
332	h = v_scale;
333	}
334	}
335	if (geom_flags & XValue)
336	{
337	if (str[0] != '=')
338	{
339	y += v_align;
340	x += h_align;
341	}
342	}
343	}
344	else /* setting up geometry from scratch */
345	{
346	if (!(geom_flags & XValue))
347	{
348	/* use default geometry - centered */
349	x = y = defaultAlign;
350	}
351	else if (!(geom_flags & YValue))
352	y = x;
353
354	if ((geom_flags & (WidthValue|HeightValue)) == 0)
355	{
356	/* use default geometry - scaled */
357	w = h = defaultScale;
358	}
359	else if (geom_flags & WidthValue)
360	{
361	if (!(geom_flags & HeightValue))
362	h = w;
363	}
364	else
365	w = h;
366	}
367	} /* done parsing geometry string */	238	} /* done parsing geometry string */
368	else if (!(flags & geometrySet))	239
369	{	240	if (!update)
370	/* default geometry - scaled and centered */	241	{
		242	if (!(geom_flags & XValue))
371	x = y = defaultAlign;	243	x = y = defaultAlign;
		244	else if (!(geom_flags & YValue))
		245	y = x;
		246
		247	if (!(geom_flags & (WidthValue|HeightValue)))
372	w = h = defaultScale;	248	w = h = defaultScale;
373	}	249	else if (!(geom_flags & HeightValue))
		250	h = w;
		251	else if (!(geom_flags & WidthValue))
		252	w = h;
374		253
375	if (!(flags & geometrySet))
376	geom_flags |= WidthValue|HeightValue|XValue|YValue;	254	geom_flags |= WidthValue|HeightValue|XValue|YValue;
		255	}
377		256
378	if (ops)	257	if (ops)
379	{	258	{
380	while (*ops)	259	char **arr = rxvt_strsplit (':', ops + 1);
		260
		261	for (int i = 0; arr[i]; i++)
381	{	262	{
382	while (*ops == ':' || isspace(*ops)) ++ops;	263	if (!strcasecmp (arr[i], "tile"))
383
384	# define CHECK_GEOM_OPS(op_str) (strncasecmp (ops, (op_str), sizeof (op_str) - 1) == 0)
385	if (CHECK_GEOM_OPS ("tile"))
386	{	264	{
387	w = h = noScale;	265	w = h = noScale;
388	geom_flags |= WidthValue|HeightValue;	266	geom_flags |= WidthValue|HeightValue;
389	}	267	}
390	else if (CHECK_GEOM_OPS ("propscale"))	268	else if (!strcasecmp (arr[i], "propscale"))
391	{	269	{
392	if (w == 0 && h == 0)	270	new_flags |= BG_PROP_SCALE;
393	{
394	w = windowScale;
395	geom_flags |= WidthValue;
396	}
397	new_flags |= propScale;
398	}	271	}
399	else if (CHECK_GEOM_OPS ("hscale"))	272	else if (!strcasecmp (arr[i], "hscale"))
400	{	273	{
401	if (w == 0) w = windowScale;	274	if (w == 0) w = windowScale;
402		275
403	h = noScale;	276	h = noScale;
404	geom_flags |= WidthValue|HeightValue;	277	geom_flags |= WidthValue|HeightValue;
405	}	278	}
406	else if (CHECK_GEOM_OPS ("vscale"))	279	else if (!strcasecmp (arr[i], "vscale"))
407	{	280	{
408	if (h == 0) h = windowScale;	281	if (h == 0) h = windowScale;
409		282
410	w = noScale;	283	w = noScale;
411	geom_flags |= WidthValue|HeightValue;	284	geom_flags |= WidthValue|HeightValue;
412	}	285	}
413	else if (CHECK_GEOM_OPS ("scale"))	286	else if (!strcasecmp (arr[i], "scale"))
414	{	287	{
415	if (h == 0) h = windowScale;	288	if (h == 0) h = windowScale;
416	if (w == 0) w = windowScale;	289	if (w == 0) w = windowScale;
417		290
418	geom_flags |= WidthValue|HeightValue;	291	geom_flags |= WidthValue|HeightValue;
419	}	292	}
420	else if (CHECK_GEOM_OPS ("auto"))	293	else if (!strcasecmp (arr[i], "auto"))
421	{	294	{
422	w = h = windowScale;	295	w = h = windowScale;
423	x = y = centerAlign;	296	x = y = centerAlign;
424	geom_flags |= WidthValue|HeightValue|XValue|YValue;	297	geom_flags |= WidthValue|HeightValue|XValue|YValue;
425	}	298	}
426	else if (CHECK_GEOM_OPS ("root"))	299	else if (!strcasecmp (arr[i], "root"))
427	{	300	{
		301	new_flags |= BG_ROOT_ALIGN;
428	w = h = noScale;	302	w = h = noScale;
429	x = y = rootAlign;
430	geom_flags |= WidthValue|HeightValue|XValue|YValue;	303	geom_flags |= WidthValue|HeightValue;
431	}	304	}
432	# undef CHECK_GEOM_OPS
433
434	while (*ops != ':' && *ops != '\0') ++ops;
435	} /* done parsing ops */	305	} /* done parsing ops */
436	}
437		306
		307	rxvt_free_strsplit (arr);
		308	}
		309
438	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;
439	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;
440	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;
441	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;
442	}
443		314
444	if (new_flags != flags)	315	if (new_flags != bg_flags)
445	{	316	{
446	flags = new_flags;	317	bg_flags = new_flags;
447	changed++;	318	changed = true;
448	}	319	}
449		320
450	//fprintf (stderr, "flags = %lX, scale = %ux%u, align=%+d%+d\n",
451	// flags, h_scale, v_scale, h_align, v_align);
452	return (changed > 0);	321	return changed;
453	}	322	}
454		323
455	void	324	void
456	bgPixmap_t::get_image_geometry (int image_width, int image_height, int &w, int &h, int &x, int &y)	325	rxvt_term::get_image_geometry (int image_width, int image_height, int &w, int &h, int &x, int &y)
457	{	326	{
458	int target_width = target->szHint.width;	327	int target_width = szHint.width;
459	int target_height = target->szHint.height;	328	int target_height = szHint.height;
460		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	{
461	w = h_scale * target_width / 100;	339	w = h_scale * target_width / 100;
462	h = v_scale * target_height / 100;	340	h = v_scale * target_height / 100;
463
464	if (h_align == rootAlign || v_align == rootAlign)
465	{	341	}
466	target->get_window_origin (x, y);	342
467	x = -x;	343	if (!w) w = image_width;
468	y = -y;	344	if (!h) h = image_height;
		345
		346	if (bg_flags & BG_ROOT_ALIGN)
469	}	347	{
470		348	x = -target_x;
471	if (h_align != rootAlign)	349	y = -target_y;
		350	}
		351	else
		352	{
472	x = make_align_position (h_align, target_width, w > 0 ? w : image_width);	353	x = make_align_position (h_align, target_width, w);
473
474	if (v_align != rootAlign)
475	y = make_align_position (v_align, target_height, h > 0 ? h : image_height);	354	y = make_align_position (v_align, target_height, h);
		355	}
476		356
477	flags &= ~sizeSensitive;	357	bg_flags &= ~BG_IS_SIZE_SENSITIVE;
478	if (h_scale != 0 || v_scale != 0	358	if ((bg_flags & BG_PROP_SCALE) || h_scale || v_scale
479	|| h_align != 0 || v_align != 0	359	|| (!(bg_flags & BG_ROOT_ALIGN) && (h_align || v_align))
480	|| image_width > target_width || image_height > target_height)	360	|| w > target_width || h > target_height)
481	flags |= sizeSensitive;	361	bg_flags |= BG_IS_SIZE_SENSITIVE;
482	}	362	}
483		363
484	# ifdef HAVE_AFTERIMAGE	364	# ifdef HAVE_AFTERIMAGE
485	bool	365	bool
486	bgPixmap_t::render_image (unsigned long background_flags)	366	rxvt_term::render_image (unsigned long tr_flags)
487	{	367	{
488	if (target == NULL)
489	return false;
490
491	target->init_asv ();	368	init_asv ();
492		369
493	ASImage *background = NULL;	370	ASImage *background = NULL;
494	ARGB32 background_tint = TINT_LEAVE_SAME;	371	ARGB32 background_tint = TINT_LEAVE_SAME;
495		372
496	# ifdef ENABLE_TRANSPARENCY	373	# ifdef ENABLE_TRANSPARENCY
497	if (background_flags)	374	if (tr_flags)
498	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);
499		376
500	if (!(background_flags & transpPmapTinted) && (flags & tintNeeded))	377	if (tr_flags & BG_NEEDS_TINT)
501	{	378	{
502	ShadingInfo as_shade;	379	ShadingInfo as_shade;
503	as_shade.shading = (shade == 0) ? 100 : shade;	380	as_shade.shading = shade;
504		381
505	rgba c (rgba::MAX_CC,rgba::MAX_CC,rgba::MAX_CC);	382	rgba c (rgba::MAX_CC,rgba::MAX_CC,rgba::MAX_CC);
506	if (flags & tintSet)	383	if (bg_flags & BG_TINT_SET)
507	tint.get (c);	384	tint.get (c);
508	as_shade.tintColor.red = c.r;	385	as_shade.tintColor.red = c.r;
509	as_shade.tintColor.green = c.g;	386	as_shade.tintColor.green = c.g;
510	as_shade.tintColor.blue = c.b;	387	as_shade.tintColor.blue = c.b;
511		388
512	background_tint = shading2tint32 (&as_shade);	389	background_tint = shading2tint32 (&as_shade);
513	}	390	}
514		391
515	if (!(background_flags & transpPmapBlured) && (flags & blurNeeded) && background != NULL)	392	if ((tr_flags & BG_NEEDS_BLUR) && background != NULL)
516	{	393	{
517	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,
518	(original_asim == NULL || tint == TINT_LEAVE_SAME) ? ASA_XImage : ASA_ASImage,	395	(original_asim == NULL || tint == TINT_LEAVE_SAME) ? ASA_XImage : ASA_ASImage,
519	100, ASIMAGE_QUALITY_DEFAULT);	396	100, ASIMAGE_QUALITY_DEFAULT);
520	if (tmp)	397	if (tmp)
521	{	398	{
522	destroy_asimage (&background);	399	destroy_asimage (&background);
…		…
525	}	402	}
526	# endif	403	# endif
527		404
528	ASImage *result = 0;	405	ASImage *result = 0;
529		406
530	int target_width = target->szHint.width;	407	int target_width = szHint.width;
531	int target_height = target->szHint.height;	408	int target_height = szHint.height;
532	int new_pmap_width = target_width;	409	int new_pmap_width = target_width;
533	int new_pmap_height = target_height;	410	int new_pmap_height = target_height;
534		411
535	int x = 0;	412	int x = 0;
536	int y = 0;	413	int y = 0;
537	int w = 0;	414	int w = 0;
538	int h = 0;	415	int h = 0;
539		416
540	TIMING_TEST_START (asim);
541
542	if (original_asim)	417	if (original_asim)
543	get_image_geometry (original_asim->width, original_asim->height, w, h, x, y);	418	get_image_geometry (original_asim->width, original_asim->height, w, h, x, y);
544		419
545	if (!original_asim	420	if (!original_asim
		421	|| (!(bg_flags & BG_ROOT_ALIGN)
546	|| x >= target_width	422	&& (x >= target_width
547	|| y >= target_height	423	|| y >= target_height
548	|| (w > 0 && x + w <= 0)	424	|| (x + w <= 0)
549	|| (h > 0 && y + h <= 0))	425	|| (y + h <= 0))))
550	{	426	{
551	if (background)	427	if (background)
552	{	428	{
553	new_pmap_width = background->width;	429	new_pmap_width = background->width;
554	new_pmap_height = background->height;	430	new_pmap_height = background->height;
555	result = background;	431	result = background;
556		432
557	if (background_tint != TINT_LEAVE_SAME)	433	if (background_tint != TINT_LEAVE_SAME)
558	{	434	{
559	ASImage *tmp = tile_asimage (target->asv, background, 0, 0,	435	ASImage *tmp = tile_asimage (asv, background, 0, 0,
560	target_width, target_height, background_tint,	436	target_width, target_height, background_tint,
561	ASA_XImage, 100, ASIMAGE_QUALITY_DEFAULT);	437	ASA_XImage, 100, ASIMAGE_QUALITY_DEFAULT);
562	if (tmp)	438	if (tmp)
563	result = tmp;	439	result = tmp;
564	}	440	}
…		…
568	}	444	}
569	else	445	else
570	{	446	{
571	result = original_asim;	447	result = original_asim;
572		448
573	if ((w > 0 && w != original_asim->width)	449	if ((w != original_asim->width)
574	|| (h > 0 && h != original_asim->height))	450	|| (h != original_asim->height))
575	{	451	{
576	result = scale_asimage (target->asv, original_asim,	452	result = scale_asimage (asv, original_asim,
577	w > 0 ? w : original_asim->width,	453	w, h,
578	h > 0 ? h : original_asim->height,
579	background ? ASA_ASImage : ASA_XImage,	454	background ? ASA_ASImage : ASA_XImage,
580	100, ASIMAGE_QUALITY_DEFAULT);	455	100, ASIMAGE_QUALITY_DEFAULT);
581	}	456	}
582		457
583	if (background == NULL)	458	if (background == NULL)
…		…
588	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! */
589	new_pmap_width = min (result->width, target_width);	464	new_pmap_width = min (result->width, target_width);
590	new_pmap_height = min (result->height, target_height);	465	new_pmap_height = min (result->height, target_height);
591		466
592	/* we also need to tile our image in both directions */	467	/* we also need to tile our image in both directions */
593	ASImage *tmp = tile_asimage (target->asv, result,	468	ASImage *tmp = tile_asimage (asv, result,
594	(int)result->width - x,	469	(int)result->width - x,
595	(int)result->height - y,	470	(int)result->height - y,
596	new_pmap_width,	471	new_pmap_width,
597	new_pmap_height,	472	new_pmap_height,
598	TINT_LEAVE_SAME, ASA_XImage,	473	TINT_LEAVE_SAME, ASA_XImage,
…		…
615	layers[0].clip_width = target_width;	490	layers[0].clip_width = target_width;
616	layers[0].clip_height = target_height;	491	layers[0].clip_height = target_height;
617	layers[0].tint = background_tint;	492	layers[0].tint = background_tint;
618	layers[1].im = result;	493	layers[1].im = result;
619		494
620	if (w <= 0)	495	if (h_scale == 0 || v_scale == 0)
621	{	496	{
622	/* tile horizontally */	497	/* tile horizontally */
623	while (x > 0) x -= (int)result->width;	498	while (x > 0) x -= (int)result->width;
624	layers[1].dst_x = x;	499	layers[1].dst_x = x;
625	layers[1].clip_width = result->width+target_width;	500	layers[1].clip_width = result->width+target_width;
…		…
629	/* clip horizontally */	504	/* clip horizontally */
630	layers[1].dst_x = x;	505	layers[1].dst_x = x;
631	layers[1].clip_width = result->width;	506	layers[1].clip_width = result->width;
632	}	507	}
633		508
634	if (h <= 0)	509	if (h_scale == 0 || v_scale == 0)
635	{	510	{
636	while (y > 0) y -= (int)result->height;	511	while (y > 0) y -= (int)result->height;
637	layers[1].dst_y = y;	512	layers[1].dst_y = y;
638	layers[1].clip_height = result->height + target_height;	513	layers[1].clip_height = result->height + target_height;
639	}	514	}
…		…
641	{	516	{
642	layers[1].dst_y = y;	517	layers[1].dst_y = y;
643	layers[1].clip_height = result->height;	518	layers[1].clip_height = result->height;
644	}	519	}
645		520
646	if (target->rs[Rs_blendtype])	521	if (rs[Rs_blendtype])
647	{	522	{
648	layers[1].merge_scanlines = blend_scanlines_name2func (target->rs[Rs_blendtype]);	523	layers[1].merge_scanlines = blend_scanlines_name2func (rs[Rs_blendtype]);
649	if (layers[1].merge_scanlines == NULL)	524	if (layers[1].merge_scanlines == NULL)
650	layers[1].merge_scanlines = alphablend_scanlines;	525	layers[1].merge_scanlines = alphablend_scanlines;
651	}	526	}
652		527
653	ASImage *tmp = merge_layers (target->asv, layers, 2, target_width, target_height,	528	ASImage *tmp = merge_layers (asv, layers, 2, target_width, target_height,
654	ASA_XImage, 0, ASIMAGE_QUALITY_DEFAULT);	529	ASA_XImage, 0, ASIMAGE_QUALITY_DEFAULT);
655		530
656	if (tmp)	531	if (tmp)
657	{	532	{
658	if (result != original_asim)	533	if (result != original_asim)
…		…
662	}	537	}
663		538
664	free (layers);	539	free (layers);
665	}	540	}
666	}	541	}
667	TIMING_TEST_PRINT_RESULT (asim);
668		542
669	bool ret = false;	543	bool ret = false;
670		544
671	if (result)	545	if (result)
672	{	546	{
673	XGCValues gcv;	547	XGCValues gcv;
674	GC gc;	548	GC gc;
675		549
676	if (pixmap)
677	{
678	if (pmap_width != new_pmap_width
679	|| pmap_height != new_pmap_height
680	|| pmap_depth != target->depth)
681	{
682	XFreePixmap (target->dpy, pixmap);
683	pixmap = None;
684	}
685	}
686
687	/* create Pixmap */	550	/* create Pixmap */
688	if (pixmap == None)	551	if (bg_pixmap == None
		552	|| bg_pmap_width != new_pmap_width
		553	|| bg_pmap_height != new_pmap_height)
689	{	554	{
		555	if (bg_pixmap)
		556	XFreePixmap (dpy, bg_pixmap);
690	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);
691	pmap_width = new_pmap_width;	558	bg_pmap_width = new_pmap_width;
692	pmap_height = new_pmap_height;	559	bg_pmap_height = new_pmap_height;
693	pmap_depth = target->depth;
694	}	560	}
695	/* fill with background color (if result's not completely overlapping it) */	561	/* fill with background color (if result's not completely overlapping it) */
696	gcv.foreground = target->pix_colors[Color_bg];	562	gcv.foreground = pix_colors[Color_bg];
697	gc = XCreateGC (target->dpy, target->vt, GCForeground, &gcv);	563	gc = XCreateGC (dpy, vt, GCForeground, &gcv);
698		564
699	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;
700	int dst_width = result->width, dst_height = result->height;	566	int dst_width = result->width, dst_height = result->height;
701	if (background == NULL)	567	if (background == NULL)
702	{	568	{
…		…
707	}	573	}
708		574
709	if (dst_x > 0 || dst_y > 0	575	if (dst_x > 0 || dst_y > 0
710	|| dst_x + dst_width < new_pmap_width	576	|| dst_x + dst_width < new_pmap_width
711	|| dst_y + dst_height < new_pmap_height)	577	|| dst_y + dst_height < new_pmap_height)
712	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);
713	}	579	}
714		580
715	/* put result on pixmap */	581	/* put result on pixmap */
716	if (dst_x < new_pmap_width && dst_y < new_pmap_height)	582	if (dst_x < new_pmap_width && dst_y < new_pmap_height)
717	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);
718		584
719	if (result != background && result != original_asim)	585	if (result != background && result != original_asim)
720	destroy_asimage (&result);	586	destroy_asimage (&result);
721		587
722	XFreeGC (target->dpy, gc);	588	XFreeGC (dpy, gc);
723	TIMING_TEST_PRINT_RESULT (asim);
724		589
725	ret = true;	590	ret = true;
726	}	591	}
727		592
728	if (background)	593	if (background)
…		…
732	}	597	}
733	# endif /* HAVE_AFTERIMAGE */	598	# endif /* HAVE_AFTERIMAGE */
734		599
735	# ifdef HAVE_PIXBUF	600	# ifdef HAVE_PIXBUF
736	bool	601	bool
737	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)
738	{	605	{
739	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)
740	return false;	616	return false;
741		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	{
742	if (!pixbuf)	687	if (!pixbuf)
743	return false;	688	return false;
744		689
745	// TODO: add alpha blending	690	if (tr_flags
746	if (background_flags)	691	&& !(bg_flags & BG_HAS_RENDER))
747	return false;	692	return false;
748		693
749	GdkPixbuf *result;	694	GdkPixbuf *result;
750		695
751	int image_width = gdk_pixbuf_get_width (pixbuf);	696	int image_width = gdk_pixbuf_get_width (pixbuf);
752	int image_height = gdk_pixbuf_get_height (pixbuf);	697	int image_height = gdk_pixbuf_get_height (pixbuf);
753		698
754	int target_width = target->szHint.width;	699	int target_width = szHint.width;
755	int target_height = target->szHint.height;	700	int target_height = szHint.height;
756	int new_pmap_width = target_width;	701	int new_pmap_width = target_width;
757	int new_pmap_height = target_height;	702	int new_pmap_height = target_height;
758		703
759	int x = 0;	704	int x = 0;
760	int y = 0;	705	int y = 0;
761	int w = 0;	706	int w = 0;
762	int h = 0;	707	int h = 0;
763		708
764	get_image_geometry (image_width, image_height, w, h, x, y);	709	get_image_geometry (image_width, image_height, w, h, x, y);
765		710
		711	if (!(bg_flags & BG_ROOT_ALIGN)
766	if (x >= target_width	712	&& (x >= target_width
767	|| y >= target_height	713	|| y >= target_height
768	|| (w > 0 && x + w <= 0)	714	|| (x + w <= 0)
769	|| (h > 0 && y + h <= 0))	715	|| (y + h <= 0)))
770	return false;	716	return false;
771		717
772	result = pixbuf;	718	result = pixbuf;
773		719
774	if ((w > 0 && w != image_width)	720	if ((w != image_width)
775	|| (h > 0 && h != image_height))	721	|| (h != image_height))
776	{	722	{
777	result = gdk_pixbuf_scale_simple (pixbuf,	723	result = gdk_pixbuf_scale_simple (pixbuf,
778	w > 0 ? w : image_width,	724	w, h,
779	h > 0 ? h : image_height,
780	GDK_INTERP_BILINEAR);	725	GDK_INTERP_BILINEAR);
781	}	726	}
782		727
783	bool ret = false;	728	bool ret = false;
784		729
785	if (result)	730	if (result)
786	{	731	{
787	XGCValues gcv;	732	XGCValues gcv;
788	GC gc;	733	GC gc;
		734	Pixmap root_pmap;
789		735
790	image_width = gdk_pixbuf_get_width (result);	736	image_width = gdk_pixbuf_get_width (result);
791	image_height = gdk_pixbuf_get_height (result);	737	image_height = gdk_pixbuf_get_height (result);
792		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
793	if (h_scale == 0 || v_scale == 0)	767	if (h_scale == 0 || v_scale == 0)
794	{	768	{
795	new_pmap_width = min (image_width, target_width);
796	new_pmap_height = min (image_height, target_height);
797	}
798
799	if (pixmap)
800	{
801	if (pmap_width != new_pmap_width
802	|| pmap_height != new_pmap_height
803	|| pmap_depth != target->depth)
804	{
805	XFreePixmap (target->dpy, pixmap);
806	pixmap = None;
807	}
808	}
809
810	if (pixmap == None)
811	{
812	pixmap = XCreatePixmap (target->dpy, target->vt, new_pmap_width, new_pmap_height, target->depth);
813	pmap_width = new_pmap_width;
814	pmap_height = new_pmap_height;
815	pmap_depth = target->depth;
816	}
817
818	gcv.foreground = target->pix_colors[Color_bg];
819	gc = XCreateGC (target->dpy, target->vt, GCForeground, &gcv);
820
821	if (h_scale == 0 || v_scale == 0)
822	{
823	Pixmap tile = XCreatePixmap (target->dpy, target->vt, image_width, image_height, target->depth);	769	Pixmap tile = XCreatePixmap (dpy, vt, image_width, image_height, depth);
824	gdk_pixbuf_xlib_render_to_drawable (result, tile, gc,	770	pixbuf_to_pixmap (result, tile, gc,
825	0, 0,	771	0, 0,
826	0, 0,	772	0, 0,
827	image_width, image_height,	773	image_width, image_height);
828	XLIB_RGB_DITHER_NONE,
829	0, 0);
830		774
831	gcv.tile = tile;	775	gcv.tile = tile;
832	gcv.fill_style = FillTiled;	776	gcv.fill_style = FillTiled;
833	gcv.ts_x_origin = x;	777	gcv.ts_x_origin = x;
834	gcv.ts_y_origin = y;	778	gcv.ts_y_origin = y;
835	XChangeGC (target->dpy, gc, GCFillStyle | GCTile | GCTileStipXOrigin | GCTileStipYOrigin, &gcv);	779	XChangeGC (dpy, gc, GCFillStyle | GCTile | GCTileStipXOrigin | GCTileStipYOrigin, &gcv);
836		780
837	XFillRectangle (target->dpy, pixmap, gc, 0, 0, new_pmap_width, new_pmap_height);	781	XFillRectangle (dpy, bg_pixmap, gc, 0, 0, new_pmap_width, new_pmap_height);
838	XFreePixmap (target->dpy, tile);	782	XFreePixmap (dpy, tile);
839	}	783	}
840	else	784	else
841	{	785	{
842	int src_x, src_y, dst_x, dst_y;	786	int src_x, src_y, dst_x, dst_y;
843	int dst_width, dst_height;	787	int dst_width, dst_height;
…		…
846	src_y = make_clip_rectangle (y, image_height, new_pmap_height, dst_y, dst_height);	790	src_y = make_clip_rectangle (y, image_height, new_pmap_height, dst_y, dst_height);
847		791
848	if (dst_x > 0 || dst_y > 0	792	if (dst_x > 0 || dst_y > 0
849	|| dst_x + dst_width < new_pmap_width	793	|| dst_x + dst_width < new_pmap_width
850	|| dst_y + dst_height < new_pmap_height)	794	|| dst_y + dst_height < new_pmap_height)
851	XFillRectangle (target->dpy, pixmap, gc, 0, 0, new_pmap_width, new_pmap_height);	795	XFillRectangle (dpy, bg_pixmap, gc, 0, 0, new_pmap_width, new_pmap_height);
852		796
853	if (dst_x < new_pmap_width && dst_y < new_pmap_height)	797	if (dst_x < new_pmap_width && dst_y < new_pmap_height)
854	gdk_pixbuf_xlib_render_to_drawable (result, pixmap, gc,	798	pixbuf_to_pixmap (result, bg_pixmap, gc,
855	src_x, src_y,	799	src_x, src_y,
856	dst_x, dst_y,	800	dst_x, dst_y,
857	dst_width, dst_height,	801	dst_width, dst_height);
858	XLIB_RGB_DITHER_NONE,	802	}
859	0, 0);	803
		804	#if XRENDER
		805	if (tr_flags)
860	}	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
861		840
862	if (result != pixbuf)	841	if (result != pixbuf)
863	g_object_unref (result);	842	g_object_unref (result);
864		843
865	XFreeGC (target->dpy, gc);	844	XFreeGC (dpy, gc);
866		845
867	ret = true;	846	ret = true;
868	}	847	}
869		848
870	return ret;	849	return ret;
871	}	850	}
872	# endif /* HAVE_PIXBUF */	851	# endif /* HAVE_PIXBUF */
873		852
874	bool	853	bool
875	bgPixmap_t::set_file (const char *file)	854	rxvt_term::bg_set_file (const char *file)
876	{	855	{
877	assert (file);	856	if (!file || !*file)
		857	return false;
878		858
879	if (*file)
880	{
881	if (const char *p = strchr (file, ';'))	859	if (const char *p = strchr (file, ';'))
882	{	860	{
883	size_t len = p - file;	861	size_t len = p - file;
884	char *f = rxvt_temp_buf<char> (len + 1);	862	char *f = rxvt_temp_buf<char> (len + 1);
885	memcpy (f, file, len);	863	memcpy (f, file, len);
886	f[len] = '\0';	864	f[len] = '\0';
887	file = f;	865	file = f;
888	}	866	}
889		867
890	# ifdef HAVE_AFTERIMAGE	868	# ifdef HAVE_AFTERIMAGE
891	if (!target->asimman)	869	if (!asimman)
892	target->asimman = create_generic_imageman (target->rs[Rs_path]);	870	asimman = create_generic_imageman (rs[Rs_path]);
893	original_asim = get_asimage (target->asimman, file, 0xFFFFFFFF, 100);	871	ASImage *image = get_asimage (asimman, file, 0xFFFFFFFF, 100);
		872	if (image)
		873	{
894	if (original_asim)	874	if (original_asim)
895	have_image = true;	875	safe_asimage_destroy (original_asim);
896	return have_image;	876	original_asim = image;
		877	bg_flags |= BG_IS_FROM_FILE | BG_CLIENT_RENDER;
		878	return true;
		879	}
897	# endif	880	# endif
898		881
899	# ifdef HAVE_PIXBUF	882	# ifdef HAVE_PIXBUF
900	pixbuf = gdk_pixbuf_new_from_file (file, NULL);	883	GdkPixbuf *image = gdk_pixbuf_new_from_file (file, NULL);
		884	if (image)
		885	{
901	if (pixbuf)	886	if (pixbuf)
902	have_image = true;	887	g_object_unref (pixbuf);
903	return have_image;	888	pixbuf = image;
		889	bg_flags |= BG_IS_FROM_FILE;
		890	return true;
		891	}
904	# endif	892	# endif
905	}
906		893
907	return false;	894	return false;
908	}	895	}
909		896
910	# endif /* BG_IMAGE_FROM_FILE */	897	# endif /* BG_IMAGE_FROM_FILE */
911		898
912	# ifdef ENABLE_TRANSPARENCY	899	# ifdef ENABLE_TRANSPARENCY
913	bool	900	bool
914	bgPixmap_t::set_transparent ()	901	rxvt_term::bg_set_transparent ()
915	{	902	{
916	if (!(flags & isTransparent))	903	if (!(bg_flags & BG_IS_TRANSPARENT))
917	{	904	{
918	flags |= isTransparent;	905	bg_flags |= BG_IS_TRANSPARENT;
919	return true;	906	return true;
920	}	907	}
921		908
922	return false;	909	return false;
923	}	910	}
924		911
925	bool	912	bool
926	bgPixmap_t::set_blur_radius (const char *geom)	913	rxvt_term::bg_set_blur (const char *geom)
927	{	914	{
928	int changed = 0;	915	bool changed = false;
929	unsigned int hr, vr;	916	unsigned int hr, vr;
930	int junk;	917	int junk;
931	int geom_flags = XParseGeometry (geom, &junk, &junk, &hr, &vr);	918	int geom_flags = XParseGeometry (geom, &junk, &junk, &hr, &vr);
932		919
933	if (!(geom_flags & WidthValue))	920	if (!(geom_flags & WidthValue))
934	hr = 1;	921	hr = 1;
935	if (!(geom_flags & HeightValue))	922	if (!(geom_flags & HeightValue))
936	vr = hr;	923	vr = hr;
937		924
		925	min_it (hr, 128);
		926	min_it (vr, 128);
		927
938	if (h_blurRadius != hr)	928	if (h_blurRadius != hr)
939	{	929	{
940	++changed;	930	changed = true;
941	h_blurRadius = hr;	931	h_blurRadius = hr;
942	}	932	}
943		933
944	if (v_blurRadius != vr)	934	if (v_blurRadius != vr)
945	{	935	{
946	++changed;	936	changed = true;
947	v_blurRadius = vr;	937	v_blurRadius = vr;
948	}	938	}
949		939
950	if (v_blurRadius == 0 && h_blurRadius == 0)	940	if (v_blurRadius == 0 && h_blurRadius == 0)
951	flags &= ~blurNeeded;	941	bg_flags &= ~BG_NEEDS_BLUR;
952	else	942	else
953	flags |= blurNeeded;	943	bg_flags |= BG_NEEDS_BLUR;
954		944
955	return (changed > 0);	945	return changed;
956	}	946	}
957		947
958	static inline unsigned long	948	static inline unsigned long
959	compute_tint_shade_flags (rxvt_color *tint, int shade)	949	compute_tint_shade_flags (rxvt_color *tint, int shade)
960	{	950	{
961	unsigned long flags = 0;	951	unsigned long flags = 0;
962	rgba c (rgba::MAX_CC,rgba::MAX_CC,rgba::MAX_CC);	952	rgba c (rgba::MAX_CC,rgba::MAX_CC,rgba::MAX_CC);
963	bool has_shade = (shade > 0 && shade < 100) || (shade > 100 && shade < 200);	953	bool has_shade = shade != 100;
964		954
965	if (tint)	955	if (tint)
966	{	956	{
967	tint->get (c);	957	tint->get (c);
968	# define IS_COMPONENT_WHOLESOME(cmp) ((cmp) <= 0x000700 || (cmp) >= 0x00f700)
969	if (!has_shade && IS_COMPONENT_WHOLESOME (c.r)
970	&& IS_COMPONENT_WHOLESOME (c.g)
971	&& IS_COMPONENT_WHOLESOME (c.b))
972	flags |= bgPixmap_t::tintWholesome;
973	# undef IS_COMPONENT_WHOLESOME
974	}
975
976	if (has_shade)	958	if (!has_shade
977	flags |= bgPixmap_t::tintNeeded;	959	&& (c.r <= 0x00ff || c.r >= 0xff00)
978	else if (tint)	960	&& (c.g <= 0x00ff || c.g >= 0xff00)
		961	&& (c.b <= 0x00ff || c.b >= 0xff00))
		962	flags |= rxvt_term::BG_TINT_BITAND;
979	{	963	}
980	if ((c.r > 0x000700 || c.g > 0x000700 || c.b > 0x000700)
981	&& (c.r < 0x00f700 || c.g < 0x00f700 || c.b < 0x00f700))
982	{
983	flags |= bgPixmap_t::tintNeeded;
984	}
985	}
986		964
987	if (flags & bgPixmap_t::tintNeeded)	965	if (has_shade || tint)
988	{	966	flags |= rxvt_term::BG_NEEDS_TINT;
989	if (flags & bgPixmap_t::tintWholesome)
990	flags |= bgPixmap_t::tintServerSide;
991	else
992	{
993	#if XFT
994	flags |= bgPixmap_t::tintServerSide;
995	#endif
996	}
997	}
998		967
999	return flags;	968	return flags;
1000	}	969	}
1001		970
1002	bool	971	bool
1003	bgPixmap_t::set_tint (rxvt_color &new_tint)	972	rxvt_term::bg_set_tint (rxvt_color &new_tint)
1004	{	973	{
1005	if (tint != new_tint)	974	if (!(bg_flags & BG_TINT_SET) || tint != new_tint)
1006	{	975	{
1007	unsigned long new_flags = compute_tint_shade_flags (&new_tint, shade);	976	unsigned long new_flags = compute_tint_shade_flags (&new_tint, shade);
1008	tint = new_tint;	977	tint = new_tint;
1009	flags = (flags & ~tintFlags) | new_flags | tintSet;	978	bg_flags = (bg_flags & ~BG_TINT_FLAGS) | new_flags | BG_TINT_SET;
1010	return true;	979	return true;
1011	}	980	}
1012		981
1013	return false;	982	return false;
1014	}	983	}
1015		984
1016	bool	985	bool
1017	bgPixmap_t::unset_tint ()	986	rxvt_term::bg_set_shade (const char *shade_str)
1018	{	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	{
1019	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);
1020		997	shade = new_shade;
1021	if (new_flags != (flags & tintFlags))
1022	{
1023	flags = (flags & ~tintFlags) | new_flags;	998	bg_flags = (bg_flags & ~BG_TINT_FLAGS) | new_flags;
1024	return true;	999	return true;
1025	}	1000	}
1026		1001
1027	return false;	1002	return false;
1028	}	1003	}
1029		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
1030	bool	1028	bool
1031	bgPixmap_t::set_shade (const char *shade_str)	1029	rxvt_term::blur_pixmap (Pixmap pixmap, Visual *visual, int width, int height)
1032	{	1030	{
1033	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));
1034		1036
1035	if (new_shade < 0 && new_shade > -100)	1037	XRenderPictureAttributes pa;
1036	new_shade = 200 - (100 + new_shade);	1038	XRenderPictFormat *format = XRenderFindVisualFormat (dpy, visual);
1037	else if (new_shade == 100)
1038	new_shade = 0;
1039		1039
1040	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)
1041	{	1044	{
1042	unsigned long new_flags = compute_tint_shade_flags ((flags & tintSet) ? &tint : NULL, new_shade);	1045	if (h_blurRadius)
1043	shade = new_shade;	1046	{
1044	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
1045	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)
1046	}	1097	{
		1098	XGCValues gcv;
		1099	GC gc;
1047		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
1048	return false;	1186	return ret;
1049	}	1187	}
1050		1188
1051	/* make_transparency_pixmap()	1189	/* make_transparency_pixmap()
1052	* 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
1053	* 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
1054	* our window.	1192	* our window.
1055	*/	1193	*/
1056	unsigned long	1194	unsigned long
1057	bgPixmap_t::make_transparency_pixmap ()	1195	rxvt_term::make_transparency_pixmap ()
1058	{	1196	{
1059	unsigned long result = 0;	1197	unsigned long result = 0;
1060
1061	if (target == NULL)
1062	return 0;
1063		1198
1064	/* root dimensions may change from call to call - but Display structure should	1199	/* root dimensions may change from call to call - but Display structure should
1065	* be always up-to-date, so let's use it :	1200	* be always up-to-date, so let's use it :
1066	*/	1201	*/
1067	Window root = target->display->root;
1068	int screen = target->display->screen;	1202	int screen = display->screen;
1069	Display *dpy = target->dpy;	1203	int root_depth = DefaultDepth (dpy, screen);
1070	int root_width = DisplayWidth (dpy, screen);	1204	int root_width = DisplayWidth (dpy, screen);
1071	int root_height = DisplayHeight (dpy, screen);	1205	int root_height = DisplayHeight (dpy, screen);
1072	unsigned int root_pmap_width, root_pmap_height;	1206	unsigned int root_pmap_width, root_pmap_height;
1073	int window_width = target->szHint.width;	1207	int window_width = szHint.width;
1074	int window_height = target->szHint.height;	1208	int window_height = szHint.height;
1075	int sx, sy;	1209	int sx, sy;
1076	XGCValues gcv;	1210	XGCValues gcv;
		1211	GC gc;
1077		1212
1078	TIMING_TEST_START (tp);	1213	sx = target_x;
1079	target->get_window_origin (sx, sy);	1214	sy = target_y;
1080		1215
1081	/* 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 : */
1082	if (sx + window_width <= 0 || sy + window_height <= 0	1217	if (sx + window_width <= 0 || sy + window_height <= 0
1083	|| sx >= root_width || sy >= root_height)	1218	|| sx >= root_width || sy >= root_height)
1084	return 0;	1219	return 0;
1085		1220
		1221	// validate root pixmap and get its size
1086	if (root_pixmap != None)	1222	if (root_pixmap != None)
1087	{	1223	{
1088	/* we want to validate the pixmap and get it's size at the same time : */	1224	Window wdummy;
1089	int junk;	1225	int idummy;
1090	unsigned int ujunk;	1226	unsigned int udummy;
1091	/* root pixmap may be bad - allow a error */	1227
1092	target->allowedxerror = -1;	1228	allowedxerror = -1;
1093		1229
1094	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))
1095	root_pixmap = None;	1231	root_pixmap = None;
1096		1232
1097	target->allowedxerror = 0;	1233	allowedxerror = 0;
		1234	}
		1235
		1236	Pixmap recoded_root_pmap = root_pixmap;
		1237
		1238	if (root_pixmap != None && root_depth != depth)
1098	}	1239	{
		1240	#if XRENDER
		1241	if (bg_flags & BG_HAS_RENDER)
		1242	{
		1243	XRenderPictureAttributes pa;
1099		1244
1100	Pixmap tiled_root_pmap = XCreatePixmap (dpy, root, window_width, window_height, root_depth);	1245	XRenderPictFormat *src_format = XRenderFindVisualFormat (dpy, DefaultVisual (dpy, screen));
1101	GC gc = NULL;	1246	Picture src = XRenderCreatePicture (dpy, root_pixmap, src_format, 0, &pa);
1102		1247
1103	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)
1104	return 0;	1269	return 0;
1105		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
1106	if (root_pixmap == None)	1282	if (bg_pixmap == None)
1107	{	1283	return 0;
1108	/* use tricks to obtain the root background image :*/
1109	/* we want to create Overrideredirect window overlapping out window
1110	with background type of Parent Relative and then grab it */
1111	XSetWindowAttributes attr;
1112	Window src;
1113	bool success = false;
1114		1284
1115	attr.background_pixmap = ParentRelative;
1116	attr.backing_store = Always;
1117	attr.event_mask = ExposureMask;
1118	attr.override_redirect = True;
1119	src = XCreateWindow (dpy, root, sx, sy, window_width, window_height, 0,
1120	CopyFromParent, CopyFromParent, CopyFromParent,
1121	CWBackPixmap|CWBackingStore|CWOverrideRedirect|CWEventMask,
1122	&attr);
1123
1124	if (src != None)
1125	{
1126	XEvent event;
1127	int ev_count = 0;
1128	XGrabServer (dpy);
1129	XMapRaised (dpy, src);
1130	XSync (dpy, False);
1131
1132	/* XSync should get window where it's properly exposed,
1133	* but to be on the safe side - let's check for the actual event to arrive : */
1134	while (XCheckWindowEvent (dpy, src, ExposureMask, &event))
1135	++ev_count;
1136
1137	if (ev_count > 0);
1138	{
1139	/* hooray! - we can grab the image! */
1140	gc = XCreateGC (dpy, root, 0, NULL);
1141	if (gc)
1142	{
1143	XCopyArea (dpy, src, tiled_root_pmap, gc, 0, 0, window_width, window_height, 0, 0);
1144	success = true;
1145	}
1146	}
1147
1148	XDestroyWindow (dpy, src);
1149	XUngrabServer (dpy);
1150	//fprintf (stderr, "%s:%d: ev_count = %d\n", __FUNCTION__, __LINE__, ev_count);
1151	}
1152
1153	if (!success)
1154	{
1155	XFreePixmap (dpy, tiled_root_pmap);
1156	tiled_root_pmap = None;
1157	}
1158	else
1159	result |= transpPmapTiled;
1160	}
1161	else
1162	{
1163	/* straightforward pixmap copy */	1285	/* straightforward pixmap copy */
1164	gcv.tile = root_pixmap;
1165	gcv.fill_style = FillTiled;
1166
1167	while (sx < 0) sx += (int)root_width;	1286	while (sx < 0) sx += (int)root_width;
1168	while (sy < 0) sy += (int)root_height;	1287	while (sy < 0) sy += (int)root_height;
1169		1288
		1289	gcv.tile = recoded_root_pmap;
		1290	gcv.fill_style = FillTiled;
1170	gcv.ts_x_origin = -sx;	1291	gcv.ts_x_origin = -sx;
1171	gcv.ts_y_origin = -sy;	1292	gcv.ts_y_origin = -sy;
1172	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);
1173		1386
1174	if (gc)	1387	if (gc)
1175	{	1388	{
1176	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);
1177	result |= transpPmapTiled;
1178	}
1179	}
1180	TIMING_TEST_PRINT_RESULT (tp);
1181		1390
1182	if (tiled_root_pmap != None)	1391	XFreeGC (dpy, gc);
1183	{	1392	bg_flags |= BG_IS_VALID;
1184	if (!need_client_side_rendering ())
1185	{	1393	}
1186	if ((flags & tintNeeded))
1187	{
1188	if (flags & tintWholesome)
1189	{
1190	/* In this case we can tint image server-side getting significant
1191	* performance improvements, as we eliminate XImage transfer
1192	*/
1193	gcv.foreground = Pixel (tint);
1194	gcv.function = GXand;
1195	gcv.fill_style = FillSolid;
1196	if (gc)
1197	XChangeGC (dpy, gc, GCFillStyle | GCForeground | GCFunction, &gcv);
1198	else
1199	gc = XCreateGC (dpy, root, GCFillStyle | GCForeground | GCFunction, &gcv);
1200	if (gc)
1201	{
1202	XFillRectangle (dpy, tiled_root_pmap, gc, 0, 0, window_width, window_height);
1203	result |= transpPmapTinted;
1204	}
1205	}
1206	else
1207	{
1208	# if XFT
1209	Picture back_pic = 0;
1210	rgba c (rgba::MAX_CC,rgba::MAX_CC,rgba::MAX_CC);
1211		1394
1212	if (flags & tintSet)	1395	XDestroyImage (result);
1213	tint.get (c);
1214
1215	if (shade > 0 && shade < 100)
1216	{
1217	c.r = (c.r * shade) / 100;
1218	c.g = (c.g * shade) / 100;
1219	c.b = (c.b * shade) / 100;
1220	}
1221	else if (shade > 100 && shade < 200)
1222	{
1223	c.r = (c.r * (200 - shade)) / 100;
1224	c.g = (c.g * (200 - shade)) / 100;
1225	c.b = (c.b * (200 - shade)) / 100;
1226	}
1227
1228	XRenderPictFormat pf;
1229	pf.type = PictTypeDirect;
1230	pf.depth = 32;
1231	pf.direct.redMask = 0xff;
1232	pf.direct.greenMask = 0xff;
1233	pf.direct.blueMask = 0xff;
1234	pf.direct.alphaMask = 0xff;
1235
1236	XRenderPictFormat *solid_format = XRenderFindFormat (dpy,
1237	(PictFormatType|
1238	PictFormatDepth|
1239	PictFormatRedMask|
1240	PictFormatGreenMask|
1241	PictFormatBlueMask|
1242	PictFormatAlphaMask),
1243	&pf,
1244	0);
1245	XRenderPictFormat *root_format = XRenderFindVisualFormat (dpy, DefaultVisualOfScreen (ScreenOfDisplay (dpy, target->display->screen)));
1246	XRenderPictureAttributes pa ;
1247
1248	back_pic = XRenderCreatePicture (dpy, tiled_root_pmap, root_format, 0, &pa);
1249
1250	pa.repeat = True;
1251
1252	Pixmap overlay_pmap = XCreatePixmap (dpy, root, 1, 1, 32);
1253	Picture overlay_pic = XRenderCreatePicture (dpy, overlay_pmap, solid_format, CPRepeat, &pa);
1254	XFreePixmap (dpy, overlay_pmap);
1255
1256	pa.component_alpha = True;
1257	Pixmap mask_pmap = XCreatePixmap (dpy, root, 1, 1, 32);
1258	Picture mask_pic = XRenderCreatePicture (dpy, mask_pmap, solid_format, CPRepeat|CPComponentAlpha, &pa);
1259	XFreePixmap (dpy, mask_pmap);
1260
1261	if (mask_pic && overlay_pic && back_pic)
1262	{
1263	XRenderColor mask_c;
1264
1265	memset (&mask_c, (shade > 100) ? 0xFF : 0x0, sizeof (mask_c));
1266	mask_c.alpha = 0xffff;
1267	XRenderFillRectangle (dpy, PictOpSrc, overlay_pic, &mask_c, 0, 0, 1, 1);
1268
1269	mask_c.alpha = 0;
1270	mask_c.red = 0xffff - c.r;
1271	mask_c.green = 0xffff - c.g;
1272	mask_c.blue = 0xffff - c.b;
1273	XRenderFillRectangle (dpy, PictOpSrc, mask_pic, &mask_c, 0, 0, 1, 1);
1274	XRenderComposite (dpy, PictOpOver, overlay_pic, mask_pic, back_pic, 0, 0, 0, 0, 0, 0, window_width, window_height);
1275	result |= transpPmapTinted;
1276	}
1277
1278	XRenderFreePicture (dpy, mask_pic);
1279	XRenderFreePicture (dpy, overlay_pic);
1280	XRenderFreePicture (dpy, back_pic);
1281	# if DO_TIMING_TEST
1282	XSync (dpy, False);
1283	# endif
1284	# endif
1285	}
1286	}
1287	} /* server side rendering completed */
1288
1289	if (pixmap)
1290	XFreePixmap (dpy, pixmap);
1291
1292	pixmap = tiled_root_pmap;
1293	pmap_width = window_width;
1294	pmap_height = window_height;
1295	pmap_depth = root_depth;
1296	}
1297
1298	if (gc)
1299	XFreeGC (dpy, gc);
1300
1301	TIMING_TEST_PRINT_RESULT (tp);
1302
1303	return result;
1304	}
1305
1306	bool
1307	bgPixmap_t::set_root_pixmap ()
1308	{
1309	Pixmap new_root_pixmap = target->get_pixmap_property (XA_XROOTPMAP_ID);
1310	if (new_root_pixmap == None)
1311	new_root_pixmap = target->get_pixmap_property (XA_ESETROOT_PMAP_ID);
1312
1313	if (new_root_pixmap != root_pixmap)
1314	{	1396	}
1315	root_pixmap = new_root_pixmap;
1316	return true;
1317	}
1318
1319	return false;
1320	}
1321	# endif /* ENABLE_TRANSPARENCY */
1322
1323	# ifndef HAVE_AFTERIMAGE
1324	static void ShadeXImage(rxvt_term *term, XImage *srcImage, int shade, int rm, int gm, int bm);
1325	# endif	1397	# endif
1326		1398
1327	bool	1399	if (!(bg_flags & BG_IS_VALID))
1328	bgPixmap_t::render ()
1329	{
1330	unsigned long background_flags = 0;
1331
1332	if (target == NULL)
1333	return false;
1334
1335	TIMING_TEST_START (tp);
1336
1337	invalidate ();
1338	# ifdef ENABLE_TRANSPARENCY
1339	if (flags & isTransparent)
1340	{
1341	/* we need to re-generate transparency pixmap in that case ! */
1342	background_flags = make_transparency_pixmap ();
1343	if (background_flags == 0)
1344	return false;
1345	else if ((background_flags & transpTransformations) == (flags & transpTransformations)
1346	&& pmap_depth == target->depth)
1347	flags = flags & ~isInvalid;
1348	}	1400	{
1349	# endif
1350
1351	# ifdef BG_IMAGE_FROM_FILE
1352	if (have_image
1353	|| (background_flags & transpTransformations) != (flags & transpTransformations))
1354	{
1355	if (render_image (background_flags))
1356	flags = flags & ~isInvalid;
1357	}
1358	# endif
1359
1360	XImage *result = NULL;
1361
1362	if (background_flags && (flags & isInvalid))
1363	{
1364	result = XGetImage (target->dpy, pixmap, 0, 0, pmap_width, pmap_height, AllPlanes, ZPixmap);
1365	}
1366
1367	if (result)
1368	{
1369	# if !defined(HAVE_AFTERIMAGE) && !XFT
1370	/* our own client-side tinting */
1371	/* ATTENTION: We ASSUME that XFT will let us do all the tinting necessary server-side.
1372	This may need to be changed in need_client_side_rendering() logic is altered !!! */
1373	if (!(background_flags & transpPmapTinted) && (flags & tintNeeded))
1374	{
1375	rgba c (rgba::MAX_CC,rgba::MAX_CC,rgba::MAX_CC);
1376	if (flags & tintSet)
1377	tint.get (c);
1378	ShadeXImage (target, result, shade, c.r, c.g, c.b);
1379	}
1380	# endif
1381
1382	GC gc = XCreateGC (target->dpy, target->vt, 0UL, NULL);
1383
1384	if (gc)
1385	{
1386	if (/*pmap_depth != target->depth &&*/ pixmap != None)
1387	{
1388	XFreePixmap (target->dpy, pixmap);
1389	pixmap = None;
1390	}
1391
1392	if (pixmap == None)
1393	{
1394	pixmap = XCreatePixmap (target->dpy, target->vt, result->width, result->height, target->depth);
1395	pmap_width = result->width;
1396	pmap_height = result->height;
1397	pmap_depth = target->depth;
1398	}
1399
1400	if (pmap_depth != result->depth)
1401	{
1402	/* Bad Match error will ensue ! stupid X !!!! */
1403	if (result->depth == 24 && pmap_depth == 32)
1404	result->depth = 32;
1405	else if (result->depth == 32 && pmap_depth == 24)
1406	result->depth = 24;
1407	else
1408	{
1409	/* TODO: implement image recoding */
1410	}
1411	}
1412
1413	if (pmap_depth == result->depth)
1414	XPutImage (target->dpy, pixmap, gc, result, 0, 0, 0, 0, result->width, result->height);
1415
1416	XFreeGC (target->dpy, gc);
1417	flags = flags & ~isInvalid;
1418	}
1419
1420	XDestroyImage (result);
1421	}
1422
1423	if (flags & isInvalid)
1424	{
1425	if (pixmap != None)	1401	if (bg_pixmap != None)
1426	{	1402	{
1427	XFreePixmap (target->dpy, pixmap);	1403	XFreePixmap (dpy, bg_pixmap);
1428	pixmap = None;	1404	bg_pixmap = None;
1429	}	1405	}
1430	}	1406	}
1431		1407
1432	apply ();	1408	scr_recolour (false);
		1409	bg_flags |= BG_NEEDS_REFRESH;
1433		1410
1434	XSync (target->dpy, False);
1435	valid_since = ev::now ();	1411	bg_valid_since = ev::now ();
1436
1437	TIMING_TEST_PRINT_RESULT (tp);
1438		1412
1439	return true;	1413	return true;
1440	}	1414	}
1441		1415
1442	bool
1443	bgPixmap_t::set_target (rxvt_term *new_target)
1444	{
1445	if (new_target)
1446	if (target != new_target)
1447	{
1448	target = new_target;
1449	# ifdef ENABLE_TRANSPARENCY
1450	root_depth = DefaultDepthOfScreen (ScreenOfDisplay (target->dpy, target->display->screen));
1451	# endif
1452	return true;
1453	}
1454
1455	return false;
1456	}
1457
1458	void	1416	void
1459	bgPixmap_t::apply ()	1417	rxvt_term::bg_init ()
1460	{	1418	{
1461	if (target)
1462	{
1463	flags &= ~isVtOrigin;
1464
1465	if (pixmap != None)
1466	{
1467	/* set target's background to pixmap */
1468	# ifdef ENABLE_TRANSPARENCY	1419	#ifdef ENABLE_TRANSPARENCY
1469	if (flags & isTransparent)	1420	shade = 100;
1470	{
1471	XSetWindowBackgroundPixmap (target->dpy, target->parent[0], pixmap);
1472	XSetWindowBackgroundPixmap (target->dpy, target->vt, ParentRelative);
1473
1474	if (target->scrollBar.win)
1475	XSetWindowBackgroundPixmap (target->dpy, target->scrollBar.win, ParentRelative);
1476	}
1477	else
1478	# endif	1421	#endif
1479	{
1480	flags |= isVtOrigin;
1481	/* force old pixmap dereference in case it was transparent before :*/
1482	XSetWindowBackground (target->dpy, target->parent[0], target->pix_colors[Color_border]);
1483	XSetWindowBackgroundPixmap (target->dpy, target->vt, pixmap);
1484	/* do we also need to set scrollbar's background here ? */
1485		1422
1486	if (target->scrollBar.win)	1423	bg_flags &= ~(BG_HAS_RENDER | BG_HAS_RENDER_CONV);
1487	XSetWindowBackground (target->dpy, target->scrollBar.win, target->pix_colors[Color_border]);	1424	#if XRENDER
1488	}	1425	int major, minor;
1489	}	1426	if (XRenderQueryVersion (dpy, &major, &minor))
1490	else	1427	bg_flags |= BG_HAS_RENDER;
1491	{	1428	XFilters *filters = XRenderQueryFilters (dpy, vt);
1492	/* set target background to a pixel */	1429	if (filters)
1493	XSetWindowBackground (target->dpy, target->parent[0], target->pix_colors[Color_border]);
1494	XSetWindowBackground (target->dpy, target->vt, target->pix_colors[Color_bg]);
1495	/* do we also need to set scrollbar's background here ? */
1496	if (target->scrollBar.win)
1497	XSetWindowBackground (target->dpy, target->scrollBar.win, target->pix_colors[Color_border]);
1498	}
1499
1500	/* don't want Expose on the parent or vt. It is better to use
1501	scr_touch or we get a great deal of flicker otherwise: */
1502	XClearWindow (target->dpy, target->parent[0]);
1503
1504	if (target->scrollBar.state && target->scrollBar.win)
1505	{
1506	target->scrollBar.state = STATE_IDLE;
1507	target->scrollBar.show (0);
1508	}
1509
1510	target->want_refresh = 1;
1511	flags |= hasChanged;
1512	}	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	}
		1437	#endif
1513	}	1438	}
1514		1439
1515	#endif /* HAVE_BG_PIXMAP */	1440	#endif /* HAVE_BG_PIXMAP */
1516		1441
1517	#if defined(ENABLE_TRANSPARENCY) && !defined(HAVE_AFTERIMAGE) && !XFT	1442	#if defined(ENABLE_TRANSPARENCY) && !defined(HAVE_AFTERIMAGE)
1518	/* taken from aterm-0.4.2 */	1443	/* taken from aterm-0.4.2 */
1519		1444
1520	typedef uint32_t RUINT32T;
1521
1522	static void	1445	static void
1523	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)
1524	{	1447	{
1525	int sh_r, sh_g, sh_b;	1448	int sh_r, sh_g, sh_b;
1526	RUINT32T mask_r, mask_g, mask_b;	1449	uint32_t mask_r, mask_g, mask_b;
1527	RUINT32T *lookup, *lookup_r, *lookup_g, *lookup_b;	1450	uint32_t *lookup, *lookup_r, *lookup_g, *lookup_b;
1528	unsigned int lower_lim_r, lower_lim_g, lower_lim_b;	1451	rgba low;
1529	unsigned int upper_lim_r, upper_lim_g, upper_lim_b;	1452	rgba high;
1530	int i;	1453	int i;
		1454	int host_byte_order = byteorder::big_endian () ? MSBFirst : LSBFirst;
1531		1455
1532	Visual *visual = term->visual;
1533
1534	if (visual->c_class != TrueColor || srcImage->format != ZPixmap) return ;	1456	if (visual->c_class != TrueColor || ximage->format != ZPixmap) return;
1535
1536	if (shade == 0)
1537	shade = 100;
1538		1457
1539	/* for convenience */	1458	/* for convenience */
1540	mask_r = visual->red_mask;	1459	mask_r = visual->red_mask;
1541	mask_g = visual->green_mask;	1460	mask_g = visual->green_mask;
1542	mask_b = visual->blue_mask;	1461	mask_b = visual->blue_mask;
1543		1462
1544	/* boring lookup table pre-initialization */	1463	/* boring lookup table pre-initialization */
1545	switch (srcImage->bits_per_pixel) {	1464	switch (ximage->depth)
		1465	{
1546	case 15:	1466	case 15:
1547	if ((mask_r != 0x7c00) ||	1467	if ((mask_r != 0x7c00) ||
1548	(mask_g != 0x03e0) ||	1468	(mask_g != 0x03e0) ||
1549	(mask_b != 0x001f))	1469	(mask_b != 0x001f))
1550	return;	1470	return;
1551	lookup = (RUINT32T *) malloc (sizeof (RUINT32T)*(32+32+32));	1471	lookup = (uint32_t *) malloc (sizeof (uint32_t)*(32+32+32));
1552	lookup_r = lookup;	1472	lookup_r = lookup;
1553	lookup_g = lookup+32;	1473	lookup_g = lookup+32;
1554	lookup_b = lookup+32+32;	1474	lookup_b = lookup+32+32;
1555	sh_r = 10;	1475	sh_r = 10;
1556	sh_g = 5;	1476	sh_g = 5;
1557	sh_b = 0;	1477	sh_b = 0;
1558	break;	1478	break;
1559	case 16:	1479	case 16:
1560	if ((mask_r != 0xf800) ||	1480	if ((mask_r != 0xf800) ||
1561	(mask_g != 0x07e0) ||	1481	(mask_g != 0x07e0) ||
1562	(mask_b != 0x001f))	1482	(mask_b != 0x001f))
1563	return;	1483	return;
1564	lookup = (RUINT32T *) malloc (sizeof (RUINT32T)*(32+64+32));	1484	lookup = (uint32_t *) malloc (sizeof (uint32_t)*(32+64+32));
1565	lookup_r = lookup;	1485	lookup_r = lookup;
1566	lookup_g = lookup+32;	1486	lookup_g = lookup+32;
1567	lookup_b = lookup+32+64;	1487	lookup_b = lookup+32+64;
1568	sh_r = 11;	1488	sh_r = 11;
1569	sh_g = 5;	1489	sh_g = 5;
1570	sh_b = 0;	1490	sh_b = 0;
1571	break;	1491	break;
1572	case 24:	1492	case 24:
1573	if ((mask_r != 0xff0000) ||	1493	if ((mask_r != 0xff0000) ||
1574	(mask_g != 0x00ff00) ||	1494	(mask_g != 0x00ff00) ||
1575	(mask_b != 0x0000ff))	1495	(mask_b != 0x0000ff))
1576	return;	1496	return;
1577	lookup = (RUINT32T *) malloc (sizeof (RUINT32T)*(256+256+256));	1497	lookup = (uint32_t *) malloc (sizeof (uint32_t)*(256+256+256));
1578	lookup_r = lookup;	1498	lookup_r = lookup;
1579	lookup_g = lookup+256;	1499	lookup_g = lookup+256;
1580	lookup_b = lookup+256+256;	1500	lookup_b = lookup+256+256;
1581	sh_r = 16;	1501	sh_r = 16;
1582	sh_g = 8;	1502	sh_g = 8;
1583	sh_b = 0;	1503	sh_b = 0;
1584	break;	1504	break;
1585	case 32:	1505	case 32:
1586	if ((mask_r != 0xff0000) ||	1506	if ((mask_r != 0xff0000) ||
1587	(mask_g != 0x00ff00) ||	1507	(mask_g != 0x00ff00) ||
1588	(mask_b != 0x0000ff))	1508	(mask_b != 0x0000ff))
1589	return;	1509	return;
1590	lookup = (RUINT32T *) malloc (sizeof (RUINT32T)*(256+256+256));	1510	lookup = (uint32_t *) malloc (sizeof (uint32_t)*(256+256+256));
1591	lookup_r = lookup;	1511	lookup_r = lookup;
1592	lookup_g = lookup+256;	1512	lookup_g = lookup+256;
1593	lookup_b = lookup+256+256;	1513	lookup_b = lookup+256+256;
1594	sh_r = 16;	1514	sh_r = 16;
1595	sh_g = 8;	1515	sh_g = 8;
1596	sh_b = 0;	1516	sh_b = 0;
1597	break;	1517	break;
1598	default:	1518	default:
1599	return; /* we do not support this color depth */	1519	return; /* we do not support this color depth */
1600	}	1520	}
1601		1521
1602	/* prepare limits for color transformation (each channel is handled separately) */	1522	/* prepare limits for color transformation (each channel is handled separately) */
1603	if (shade < 0) {	1523	if (shade > 100)
		1524	{
1604	shade = -shade;	1525	shade = 200 - shade;
1605	if (shade < 0) shade = 0;
1606	if (shade > 100) shade = 100;
1607		1526
1608	lower_lim_r = 65535-rm;	1527	high.r = c.r * shade / 100;
1609	lower_lim_g = 65535-gm;	1528	high.g = c.g * shade / 100;
1610	lower_lim_b = 65535-bm;	1529	high.b = c.b * shade / 100;
1611		1530
1612	lower_lim_r = 65535-(unsigned int)(((RUINT32T)lower_lim_r)*((RUINT32T)shade)/100);	1531	low.r = 65535 * (100 - shade) / 100;
1613	lower_lim_g = 65535-(unsigned int)(((RUINT32T)lower_lim_g)*((RUINT32T)shade)/100);	1532	low.g = 65535 * (100 - shade) / 100;
1614	lower_lim_b = 65535-(unsigned int)(((RUINT32T)lower_lim_b)*((RUINT32T)shade)/100);	1533	low.b = 65535 * (100 - shade) / 100;
1615
1616	upper_lim_r = upper_lim_g = upper_lim_b = 65535;
1617	} else {
1618	if (shade < 0) shade = 0;
1619	if (shade > 100) shade = 100;
1620
1621	lower_lim_r = lower_lim_g = lower_lim_b = 0;
1622
1623	upper_lim_r = (unsigned int)((((RUINT32T)rm)*((RUINT32T)shade))/100);
1624	upper_lim_g = (unsigned int)((((RUINT32T)gm)*((RUINT32T)shade))/100);
1625	upper_lim_b = (unsigned int)((((RUINT32T)bm)*((RUINT32T)shade))/100);
1626	}	1534	}
1627		1535	else
1628	/* switch red and blue bytes if necessary, we need it for some weird XServers like XFree86 3.3.3.1 */
1629	if ((srcImage->bits_per_pixel == 24) && (mask_r >= 0xFF0000 ))
1630	{	1536	{
1631	unsigned int tmp;	1537	high.r = c.r * shade / 100;
		1538	high.g = c.g * shade / 100;
		1539	high.b = c.b * shade / 100;
1632		1540
1633	tmp = lower_lim_r;	1541	low.r = low.g = low.b = 0;
1634	lower_lim_r = lower_lim_b;
1635	lower_lim_b = tmp;
1636
1637	tmp = upper_lim_r;
1638	upper_lim_r = upper_lim_b;
1639	upper_lim_b = tmp;
1640	}	1542	}
1641		1543
1642	/* fill our lookup tables */	1544	/* fill our lookup tables */
1643	for (i = 0; i <= mask_r>>sh_r; i++)	1545	for (i = 0; i <= mask_r>>sh_r; i++)
1644	{	1546	{
1645	RUINT32T tmp;	1547	uint32_t tmp;
1646	tmp = ((RUINT32T)i)*((RUINT32T)(upper_lim_r-lower_lim_r));	1548	tmp = i * high.r;
1647	tmp += ((RUINT32T)(mask_r>>sh_r))*((RUINT32T)lower_lim_r);	1549	tmp += (mask_r>>sh_r) * low.r;
1648	lookup_r[i] = (tmp/65535)<<sh_r;	1550	lookup_r[i] = (tmp/65535)<<sh_r;
1649	}	1551	}
1650	for (i = 0; i <= mask_g>>sh_g; i++)	1552	for (i = 0; i <= mask_g>>sh_g; i++)
1651	{	1553	{
1652	RUINT32T tmp;	1554	uint32_t tmp;
1653	tmp = ((RUINT32T)i)*((RUINT32T)(upper_lim_g-lower_lim_g));	1555	tmp = i * high.g;
1654	tmp += ((RUINT32T)(mask_g>>sh_g))*((RUINT32T)lower_lim_g);	1556	tmp += (mask_g>>sh_g) * low.g;
1655	lookup_g[i] = (tmp/65535)<<sh_g;	1557	lookup_g[i] = (tmp/65535)<<sh_g;
1656	}	1558	}
1657	for (i = 0; i <= mask_b>>sh_b; i++)	1559	for (i = 0; i <= mask_b>>sh_b; i++)
1658	{	1560	{
1659	RUINT32T tmp;	1561	uint32_t tmp;
1660	tmp = ((RUINT32T)i)*((RUINT32T)(upper_lim_b-lower_lim_b));	1562	tmp = i * high.b;
1661	tmp += ((RUINT32T)(mask_b>>sh_b))*((RUINT32T)lower_lim_b);	1563	tmp += (mask_b>>sh_b) * low.b;
1662	lookup_b[i] = (tmp/65535)<<sh_b;	1564	lookup_b[i] = (tmp/65535)<<sh_b;
1663	}	1565	}
1664		1566
1665	/* apply table to input image (replacing colors by newly calculated ones) */	1567	/* apply table to input image (replacing colors by newly calculated ones) */
1666	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)
1667	{	1571	{
1668	case 15:
1669	{
1670	unsigned short *p1, *pf, *p, *pl;	1572	uint32_t *p1, *pf, *p, *pl;
1671	p1 = (unsigned short *) srcImage->data;	1573	p1 = (uint32_t *) ximage->data;
1672	pf = (unsigned short *) (srcImage->data + srcImage->height * srcImage->bytes_per_line);	1574	pf = (uint32_t *) (ximage->data + ximage->height * ximage->bytes_per_line);
		1575
1673	while (p1 < pf)	1576	while (p1 < pf)
1674	{	1577	{
1675	p = p1;	1578	p = p1;
1676	pl = p1 + srcImage->width;	1579	pl = p1 + ximage->width;
1677	for (; p < pl; p++)	1580	for (; p < pl; p++)
1678	{	1581	{
1679	*p = lookup_r[(*p & 0x7c00)>>10] |
1680	lookup_g[(*p & 0x03e0)>> 5] |
1681	lookup_b[(*p & 0x001f)];
1682	}
1683	p1 = (unsigned short *) ((char *) p1 + srcImage->bytes_per_line);
1684	}
1685	break;
1686	}
1687	case 16:
1688	{
1689	unsigned short *p1, *pf, *p, *pl;
1690	p1 = (unsigned short *) srcImage->data;
1691	pf = (unsigned short *) (srcImage->data + srcImage->height * srcImage->bytes_per_line);
1692	while (p1 < pf)
1693	{
1694	p = p1;
1695	pl = p1 + srcImage->width;
1696	for (; p < pl; p++)
1697	{
1698	*p = lookup_r[(*p & 0xf800)>>11] |
1699	lookup_g[(*p & 0x07e0)>> 5] |
1700	lookup_b[(*p & 0x001f)];
1701	}
1702	p1 = (unsigned short *) ((char *) p1 + srcImage->bytes_per_line);
1703	}
1704	break;
1705	}
1706	case 24:
1707	{
1708	unsigned char *p1, *pf, *p, *pl;
1709	p1 = (unsigned char *) srcImage->data;
1710	pf = (unsigned char *) (srcImage->data + srcImage->height * srcImage->bytes_per_line);
1711	while (p1 < pf)
1712	{
1713	p = p1;
1714	pl = p1 + srcImage->width * 3;
1715	for (; p < pl; p += 3)
1716	{
1717	p[0] = lookup_r[(p[0] & 0xff0000)>>16];
1718	p[1] = lookup_r[(p[1] & 0x00ff00)>> 8];
1719	p[2] = lookup_r[(p[2] & 0x0000ff)];
1720	}
1721	p1 = (unsigned char *) ((char *) p1 + srcImage->bytes_per_line);
1722	}
1723	break;
1724	}
1725	case 32:
1726	{
1727	RUINT32T *p1, *pf, *p, *pl;
1728	p1 = (RUINT32T *) srcImage->data;
1729	pf = (RUINT32T *) (srcImage->data + srcImage->height * srcImage->bytes_per_line);
1730
1731	while (p1 < pf)
1732	{
1733	p = p1;
1734	pl = p1 + srcImage->width;
1735	for (; p < pl; p++)
1736	{
1737	*p = lookup_r[(*p & 0xff0000)>>16] |	1582	*p = lookup_r[(*p & 0xff0000) >> 16] |
1738	lookup_g[(*p & 0x00ff00)>> 8] |	1583	lookup_g[(*p & 0x00ff00) >> 8] |
1739	lookup_b[(*p & 0x0000ff)] |	1584	lookup_b[(*p & 0x0000ff)] |
1740	(*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);
1741	}	1600	}
1742	p1 = (RUINT32T *) ((char *) p1 + srcImage->bytes_per_line);
1743	}	1601	}
1744	break;
1745	}
1746	}
1747		1602
1748	free (lookup);	1603	free (lookup);
1749	}	1604	}
1750	#endif /* defined(ENABLE_TRANSPARENCY) && !defined(HAVE_AFTERIMAGE) */	1605	#endif /* defined(ENABLE_TRANSPARENCY) && !defined(HAVE_AFTERIMAGE) */

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