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Comparing rxvt-unicode/src/background.C (file contents):
Revision 1.19 by ayin, Tue Dec 18 11:15:24 2007 UTC vs.
Revision 1.143 by sf-exg, Fri Jan 28 00:08:57 2011 UTC

1	/*----------------------------------------------------------------------*	1	/*----------------------------------------------------------------------*
2	* File: background.C - former xpm.C	2	* File: background.C - former xpm.C
3	*----------------------------------------------------------------------*	3	*----------------------------------------------------------------------*
4	*	4	*
5	* All portions of code are copyright by their respective author/s.	5	* All portions of code are copyright by their respective author/s.
6	* Copyright (c) 2005-2006 Marc Lehmann <pcg@goof.com>	6	* Copyright (c) 2005-2008 Marc Lehmann <pcg@goof.com>
7	* Copyright (c) 2007 Sasha Vasko <sasha@aftercode.net>	7	* Copyright (c) 2007 Sasha Vasko <sasha@aftercode.net>
		8	* Copyright (c) 2010 Emanuele Giaquinta <e.giaquinta@glauco.it>
8	*	9	*
9	* This program is free software; you can redistribute it and/or modify	10	* This program is free software; you can redistribute it and/or modify
10	* it under the terms of the GNU General Public License as published by	11	* it under the terms of the GNU General Public License as published by
11	* the Free Software Foundation; either version 2 of the License, or	12	* the Free Software Foundation; either version 2 of the License, or
12	* (at your option) any later version.	13	* (at your option) any later version.
…		…
19	* You should have received a copy of the GNU General Public License	20	* You should have received a copy of the GNU General Public License
20	* along with this program; if not, write to the Free Software	21	* along with this program; if not, write to the Free Software
21	* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.	22	* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
22	*---------------------------------------------------------------------*/	23	*---------------------------------------------------------------------*/
23		24
		25	#include <cmath>
24	#include "../config.h" /* NECESSARY */	26	#include "../config.h" /* NECESSARY */
25	#include "rxvt.h" /* NECESSARY */	27	#include "rxvt.h" /* NECESSARY */
26		28
27	#define DO_TIMING_TEST 0	29	#if XRENDER
		30	# include <X11/extensions/Xrender.h>
		31	#endif
28		32
29	#if DO_TIMING_TEST	33	#ifndef FilterConvolution
30	# include <sys/time.h>	34	#define FilterConvolution "convolution"
31	#define TIMING_TEST_START(id) \
32	struct timeval timing_test_##id##_stv;\
33	gettimeofday (&timing_test_##id##_stv, NULL);
34
35	#define TIMING_TEST_PRINT_RESULT(id) \
36	do{ struct timeval tv;gettimeofday (&tv, NULL); tv.tv_sec -= (timing_test_##id##_stv).tv_sec;\
37	fprintf (stderr, "%s: %s: %d: elapsed %ld usec\n", #id, __FILE__, __LINE__,\
38	tv.tv_sec * 1000000 + tv.tv_usec - (timing_test_##id##_stv).tv_usec);}while (0)
39
40	#else
41	#define TIMING_TEST_START(id) do{}while (0)
42	#define TIMING_TEST_PRINT_RESULT(id) do{}while (0)
43	#endif	35	#endif
44		36
45	/*	37	/*
46	* Pixmap geometry string interpretation :	38	* Pixmap geometry string interpretation :
47	* Each geometry string contains zero or one scale/position	39	* Each geometry string contains zero or one scale/position
48	* adjustment and may optionally be followed by a colon and one or more	40	* adjustment and may optionally be followed by a colon and one or more
49	* colon-delimited pixmap operations.	41	* colon-delimited pixmap operations.
50	* The following table shows the valid geometry strings and their	42	* The following table shows the valid geometry strings and their
51	* affects on the background image :	43	* effects on the background image :
52	*	44	*
53	* WxH+X+Y Set scaling to W% by H%, and position to X% by Y%.	45	* WxH+X+Y Set scaling to W% by H%, and position to X% by Y%.
54	* W and H are percentages of the terminal window size.	46	* W and H are percentages of the terminal window size.
55	* X and Y are also percentages; e.g., +50+50 centers	47	* X and Y are also percentages; e.g., +50+50 centers
56	* the image in the window.	48	* the image in the window.
57	* WxH+X Assumes Y == X
58	* WxH Assumes Y == X == 50 (centers the image)
59	* W+X+Y Assumes H == W
60	* W+X Assumes H == W and Y == X
61	* W Assumes H == W and Y == X == 50
62	*
63	* Adjusting position only :
64	* =+X+Y Set position to X% by Y% (absolute).
65	* =+X Set position to X% by X%.
66	* +X+Y Adjust position horizontally X% and vertically Y%
67	* from current position (relative).
68	* +X Adjust position horizontally X% and vertically X%
69	* from current position.
70	*
71	* Adjusting scale only :
72	* Wx0 Multiply horizontal scaling factor by W%
73	* 0xH Multiply vertical scaling factor by H%
74	* 0x0 No scaling (show image at normal size).
75	*	49	*
76	* Pixmap Operations : (should be prepended by a colon)	50	* Pixmap Operations : (should be prepended by a colon)
77	* tile Tile image. Scaling/position modifiers above will affect	51	* tile Tile image. Scaling/position modifiers above will affect
78	* the tile size and origin.	52	* the tile size and origin.
79	* propscale When scaling, scale proportionally. That is, maintain the	53	* propscale When scaling, scale proportionally. That is, maintain the
80	* proper aspect ratio for the image. Any portion of the	54	* proper aspect ratio for the image. Any portion of the
81	* background not covered by the image is filled with the	55	* background not covered by the image is filled with the
82	* current background color.	56	* current background color.
83	* hscale Scale horizontally, tile vertically ?	57	* hscale Scale horizontally, tile vertically ?
84	* vscale Tile horizontally, scale vertically ?	58	* vscale Tile horizontally, scale vertically ?
85	* scale Scale both up and down	59	* scale Scale both up and down
86	* auto Same as 100x100+50+50	60	* auto Same as 100x100+50+50
87	*/	61	*/
88		62
89	#ifdef HAVE_BG_PIXMAP	63	#ifdef HAVE_BG_PIXMAP
90	bgPixmap_t::bgPixmap_t ()
91	{
92	#ifdef HAVE_AFTERIMAGE
93	original_asim = NULL;
94	#endif
95	#ifdef BG_IMAGE_FROM_FILE
96	h_scale = v_scale = 0;
97	h_align = v_align = 0;
98	#endif
99	flags = 0;
100	pixmap = None;
101	}
102
103	void	64	void
104	bgPixmap_t::destroy ()	65	rxvt_term::bg_destroy ()
105	{	66	{
106	#ifdef HAVE_AFTERIMAGE	67	#ifdef HAVE_AFTERIMAGE
107	if (original_asim)	68	if (original_asim)
108	safe_asimage_destroy (original_asim);	69	safe_asimage_destroy (original_asim);
109	#endif	70	#endif
110		71
111	if (pixmap && target)	72	#ifdef HAVE_PIXBUF
		73	if (pixbuf)
		74	g_object_unref (pixbuf);
		75	#endif
		76
		77	if (bg_pixmap)
112	XFreePixmap (target->dpy, pixmap);	78	XFreePixmap (dpy, bg_pixmap);
113	}	79	}
114		80
115	bool	81	bool
116	bgPixmap_t::window_size_sensitive ()	82	rxvt_term::bg_set_position (int x, int y)
		83	{
		84
		85	if (target_x != x
		86	|| target_y != y)
		87	{
		88	target_x = x;
		89	target_y = y;
		90	return true;
		91	}
		92	return false;
		93	}
		94
		95	bool
		96	rxvt_term::bg_window_size_sensitive ()
117	{	97	{
118	# ifdef ENABLE_TRANSPARENCY	98	# ifdef ENABLE_TRANSPARENCY
119	if (flags & isTransparent)	99	if (bg_flags & BG_IS_TRANSPARENT)
120	return true;	100	return true;
121	# endif	101	# endif
122		102
123	# ifdef BG_IMAGE_FROM_FILE	103	# ifdef BG_IMAGE_FROM_FILE
124	# ifdef HAVE_AFTERIMAGE	104	if (have_image)
125	if (original_asim != NULL)
126	# endif
127	{	105	{
128	if (h_scale != 0 || v_scale != 0	106	if (bg_flags & BG_IS_SIZE_SENSITIVE)
129	|| h_align != 0 || v_align != 0)
130	return true;	107	return true;
131	}	108	}
132	# endif	109	# endif
133		110
134	return false;	111	return false;
135	}	112	}
136		113
137	bool	114	bool
138	bgPixmap_t::window_position_sensitive ()	115	rxvt_term::bg_window_position_sensitive ()
139	{	116	{
140	# ifdef ENABLE_TRANSPARENCY	117	# ifdef ENABLE_TRANSPARENCY
141	if (flags & isTransparent)	118	if (bg_flags & BG_IS_TRANSPARENT)
142	return true;	119	return true;
143	# endif	120	# endif
144		121
145	# ifdef BG_IMAGE_FROM_FILE	122	# ifdef BG_IMAGE_FROM_FILE
146	# ifdef HAVE_AFTERIMAGE	123	if (have_image)
147	if (original_asim != NULL)
148	# endif
149	{	124	{
150	if (h_align == rootAlign || v_align == rootAlign)	125	if (bg_flags & BG_ROOT_ALIGN)
151	return true;	126	return true;
152	}	127	}
153	# endif	128	# endif
154		129
155	return false;
156	};
157
158	bool bgPixmap_t::need_client_side_rendering ()
159	{
160	# ifdef HAVE_AFTERIMAGE
161	if (original_asim != NULL)
162	return true;
163	# endif
164	# ifdef ENABLE_TRANSPARENCY
165	if (flags & isTransparent)
166	{
167	# ifdef HAVE_AFTERIMAGE // can't blur without libAI anyways
168	if ((flags & blurNeeded) && !(flags & blurServerSide))
169	return true;
170	# endif
171	if ((flags & tintNeeded) && !(flags & tintServerSide))
172	return true;
173	}
174	# endif
175	return false;	130	return false;
176	}	131	}
177		132
178	# ifdef BG_IMAGE_FROM_FILE	133	# ifdef BG_IMAGE_FROM_FILE
179	static inline bool	134	static inline bool
…		…
195	static inline bool	150	static inline bool
196	check_set_align_value (int geom_flags, int flag, int &align, int new_value)	151	check_set_align_value (int geom_flags, int flag, int &align, int new_value)
197	{	152	{
198	if (geom_flags & flag)	153	if (geom_flags & flag)
199	{	154	{
200	if (new_value != bgPixmap_t::rootAlign)
201	{
202	if (new_value < -100)	155	if (new_value < -100)
203	new_value = -100;	156	new_value = -100;
204	else if (new_value > 200)	157	else if (new_value > 200)
205	new_value = 200;	158	new_value = 200;
206	}
207	if (new_value != align)	159	if (new_value != align)
208	{	160	{
209	align = new_value;	161	align = new_value;
210	return true;	162	return true;
211	}	163	}
…		…
215		167
216	static inline int	168	static inline int
217	make_align_position (int align, int window_size, int image_size)	169	make_align_position (int align, int window_size, int image_size)
218	{	170	{
219	int diff = window_size - image_size;	171	int diff = window_size - image_size;
220	int smaller = MIN (image_size,window_size);	172	int smaller = min (image_size, window_size);
221		173
222	if (align >= 0 && align <= 50)	174	if (align >= 0 && align <= 100)
223	return diff * align / 100;	175	return diff * align / 100;
224	else if (align > 50 && align <= 100)
225	return window_size - image_size - diff * (100 - align) / 100;
226	else if (align > 100 && align <= 200 )	176	else if (align > 100 && align <= 200)
227	return ((align - 100) * smaller / 100) + window_size - smaller;	177	return ((align - 100) * smaller / 100) + window_size - smaller;
228	else if (align > -100 && align < 0)	178	else if (align >= -100 && align < 0)
229	return ((align + 100) * smaller / 100) - image_size;	179	return ((align + 100) * smaller / 100) - image_size;
230	return 0;	180	return 0;
231	}	181	}
232		182
233	static inline int	183	static inline int
234	make_clip_rectangle (int pos, int size, int target_size, int &dst_pos, int &dst_size)	184	make_clip_rectangle (int pos, int size, int target_size, int &dst_pos, int &dst_size)
235	{	185	{
236	int src_pos = 0;	186	int src_pos = 0;
237	dst_pos = 0;	187	dst_pos = pos;
238	dst_size = size;	188	dst_size = size;
239	if (pos < 0 && size > target_size)	189	if (pos < 0)
240	{	190	{
241	src_pos = -pos;	191	src_pos = -pos;
		192	dst_pos = 0;
242	dst_size += pos;	193	dst_size += pos;
243	}	194	}
244	else if (pos > 0)
245	dst_pos = pos;
246		195
247	if (dst_pos + dst_size > target_size)	196	if (dst_pos + dst_size > target_size)
248	dst_size = target_size - dst_pos;	197	dst_size = target_size - dst_pos;
249	return src_pos;	198	return src_pos;
250	}	199	}
251		200
252	bool	201	bool
253	bgPixmap_t::set_geometry (const char *geom)	202	rxvt_term::bg_set_geometry (const char *geom, bool update)
254	{	203	{
		204	bool changed = false;
255	int geom_flags = 0, changed = 0;	205	int geom_flags = 0;
256	int x = 0, y = 0;	206	int x = 0, y = 0;
257	unsigned int w = 0, h = 0;	207	unsigned int w = 0, h = 0;
258	unsigned int n;	208	unsigned int n;
259	unsigned long new_flags = (flags & (~geometryFlags));	209	unsigned long new_flags = (bg_flags & (~BG_GEOMETRY_FLAGS));
260	char *p;	210	const char *ops;
261	# define MAXLEN_GEOM 256 /* could be longer then regular geometry string */
262		211
263	if (geom == NULL)	212	if (geom == NULL)
264	return false;	213	return false;
265		214
266	char str[MAXLEN_GEOM];	215	char str[256];
267		216
268	while (isspace(*geom)) ++geom;
269	if ((p = strchr (geom, ';')) == NULL)
270	p = strchr (geom, '\0');	217	ops = strchr (geom, ':');
271		218	if (ops == NULL)
		219	n = strlen (geom);
		220	else
272	n = (p - geom);	221	n = ops - geom;
273	if (n < MAXLEN_GEOM)
274	{
275	char *ops;
276	new_flags |= geometrySet;
277		222
		223	if (n >= sizeof (str))
		224	return false;
		225
278	strncpy (str, geom, n);	226	memcpy (str, geom, n);
279	str[n] = '\0';	227	str[n] = '\0';
280	if (str[0] == ':')	228	rxvt_strtrim (str);
281	ops = &str[0];
282	else if (str[0] != 'x' && str[0] != 'X' && isalpha(str[0]))
283	ops = &str[0];
284	else
285	{
286	char *tmp;
287	ops = strchr (str, ':');
288	if (ops != NULL)
289	{
290	for (tmp = ops-1; tmp >= str && isspace(*tmp); --tmp);
291	*(++tmp) = '\0';
292	if (ops == tmp) ++ops;
293	}
294	}
295		229
296	if (ops > str || ops == NULL)	230	if (str[0])
297	{	231	{
298	/* we have geometry string - let's handle it prior to applying ops */	232	/* we have geometry string - let's handle it prior to applying ops */
299	geom_flags = XParseGeometry (str, &x, &y, &w, &h);	233	geom_flags = XParseGeometry (str, &x, &y, &w, &h);
300
301	if ((geom_flags & XValue) && !(geom_flags & YValue))
302	{
303	y = x;
304	geom_flags |= YValue;
305	}
306
307	if (flags & geometrySet)
308	{
309	/* new geometry is an adjustment to the old one ! */
310	if ((geom_flags & WidthValue) && (geom_flags & HeightValue))
311	{
312	if (w == 0 && h != 0)
313	{
314	w = h_scale;
315	h = (v_scale * h) / 100;
316	}
317	else if (h == 0 && w != 0)
318	{
319	w = (h_scale * w) / 100;
320	h = v_scale;
321	}
322	}
323	if (geom_flags & XValue)
324	{
325	if (str[0] != '=')
326	{
327	y += v_align;
328	x += h_align;
329	}
330	}
331	}
332	else /* setting up geometry from scratch */
333	{
334	if (!(geom_flags & XValue))
335	{
336	/* use default geometry - centered */
337	x = y = defaultAlign;
338	}
339	else if (!(geom_flags & YValue))
340	y = x;
341
342	if ((geom_flags & (WidthValue|HeightValue)) == 0)
343	{
344	/* use default geometry - scaled */
345	w = h = defaultScale;
346	}
347	else if (geom_flags & WidthValue)
348	{
349	if (!(geom_flags & HeightValue))
350	h = w;
351	}
352	else
353	w = h;
354	}
355	} /* done parsing geometry string */	234	} /* done parsing geometry string */
356	else if (!(flags & geometrySet))	235
357	{	236	if (!update)
358	/* default geometry - scaled and centered */	237	{
		238	if (!(geom_flags & XValue))
359	x = y = defaultAlign;	239	x = y = defaultAlign;
		240	else if (!(geom_flags & YValue))
		241	y = x;
		242
		243	if (!(geom_flags & (WidthValue|HeightValue)))
360	w = h = defaultScale;	244	w = h = defaultScale;
361	}	245	else if (!(geom_flags & HeightValue))
		246	h = w;
		247	else if (!(geom_flags & WidthValue))
		248	w = h;
362		249
363	if (!(flags & geometrySet))
364	geom_flags |= WidthValue|HeightValue|XValue|YValue;	250	geom_flags |= WidthValue|HeightValue|XValue|YValue;
		251	}
365		252
366	if (ops)	253	if (ops)
367	{	254	{
368	while (*ops)	255	char **arr = rxvt_strsplit (':', ops + 1);
		256
		257	for (int i = 0; arr[i]; i++)
369	{	258	{
370	while (*ops == ':' || isspace(*ops)) ++ops;	259	if (!strcasecmp (arr[i], "tile"))
371	# define CHECK_GEOM_OPS(op_str) (strncasecmp (ops, (op_str), sizeof(op_str)-1) == 0)
372	if (CHECK_GEOM_OPS("tile"))
373	{	260	{
374	w = h = noScale;	261	w = h = noScale;
375	geom_flags |= WidthValue|HeightValue;	262	geom_flags |= WidthValue|HeightValue;
376	}	263	}
377	else if (CHECK_GEOM_OPS("propscale"))	264	else if (!strcasecmp (arr[i], "propscale"))
378	{	265	{
379	if (w == 0 && h == 0)	266	new_flags |= BG_PROP_SCALE;
380	{
381	w = windowScale;
382	geom_flags |= WidthValue;
383	}
384	new_flags |= propScale;
385	}	267	}
386	else if (CHECK_GEOM_OPS("hscale"))	268	else if (!strcasecmp (arr[i], "hscale"))
387	{	269	{
388	if (w == 0)
389	w = windowScale;	270	if (w == 0) w = windowScale;
		271
390	h = noScale;	272	h = noScale;
391	geom_flags |= WidthValue|HeightValue;	273	geom_flags |= WidthValue|HeightValue;
392	}	274	}
393	else if (CHECK_GEOM_OPS("vscale"))	275	else if (!strcasecmp (arr[i], "vscale"))
394	{	276	{
395	if (h == 0)
396	h = windowScale;	277	if (h == 0) h = windowScale;
		278
397	w = noScale;	279	w = noScale;
398	geom_flags |= WidthValue|HeightValue;	280	geom_flags |= WidthValue|HeightValue;
399	}	281	}
400	else if (CHECK_GEOM_OPS("scale"))	282	else if (!strcasecmp (arr[i], "scale"))
401	{	283	{
402	if (h == 0)
403	h = windowScale;	284	if (h == 0) h = windowScale;
404	if (w == 0)
405	w = windowScale;	285	if (w == 0) w = windowScale;
		286
406	geom_flags |= WidthValue|HeightValue;	287	geom_flags |= WidthValue|HeightValue;
407	}	288	}
408	else if (CHECK_GEOM_OPS("auto"))	289	else if (!strcasecmp (arr[i], "auto"))
409	{	290	{
410	w = h = windowScale;	291	w = h = windowScale;
411	x = y = centerAlign;	292	x = y = centerAlign;
412	geom_flags |= WidthValue|HeightValue|XValue|YValue;	293	geom_flags |= WidthValue|HeightValue|XValue|YValue;
413	}	294	}
414	else if (CHECK_GEOM_OPS("root"))	295	else if (!strcasecmp (arr[i], "root"))
415	{	296	{
		297	new_flags |= BG_ROOT_ALIGN;
416	w = h = noScale;	298	w = h = noScale;
417	x = y = rootAlign;
418	geom_flags |= WidthValue|HeightValue|XValue|YValue;	299	geom_flags |= WidthValue|HeightValue;
419	}	300	}
420	# undef CHECK_GEOM_OPS
421	while (*ops != ':' && *ops != '\0') ++ops;
422	} /* done parsing ops */	301	} /* done parsing ops */
423	}
424		302
		303	rxvt_free_strsplit (arr);
		304	}
		305
425	if (check_set_scale_value (geom_flags, WidthValue, h_scale, w))	306	if (check_set_scale_value (geom_flags, WidthValue, h_scale, w)) changed = true;
426	++changed;
427	if (check_set_scale_value (geom_flags, HeightValue, v_scale, h))	307	if (check_set_scale_value (geom_flags, HeightValue, v_scale, h)) changed = true;
428	++changed;
429	if (check_set_align_value (geom_flags, XValue, h_align, x))	308	if (check_set_align_value (geom_flags, XValue, h_align, x)) changed = true;
430	++changed;
431	if (check_set_align_value (geom_flags, YValue, v_align, y))	309	if (check_set_align_value (geom_flags, YValue, v_align, y)) changed = true;
432	++changed;
433	}
434		310
435	if (new_flags != flags)	311	if (new_flags != bg_flags)
436	{	312	{
437	flags = new_flags;	313	bg_flags = new_flags;
438	changed++;	314	changed = true;
439	}	315	}
440	//fprintf (stderr, "flags = %lX, scale = %ux%u, align=%+d%+d\n",	316
441	// flags, h_scale, v_scale, h_align, v_align);
442	return (changed > 0);	317	return changed;
		318	}
		319
		320	void
		321	rxvt_term::get_image_geometry (int image_width, int image_height, int &w, int &h, int &x, int &y)
		322	{
		323	int target_width = szHint.width;
		324	int target_height = szHint.height;
		325
		326	if (bg_flags & BG_PROP_SCALE)
		327	{
		328	float scale = (float)target_width / image_width;
		329	min_it (scale, (float)target_height / image_height);
		330	w = image_width * scale + 0.5;
		331	h = image_height * scale + 0.5;
		332	}
		333	else
		334	{
		335	w = h_scale * target_width / 100;
		336	h = v_scale * target_height / 100;
		337	}
		338
		339	if (!w) w = image_width;
		340	if (!h) h = image_height;
		341
		342	if (bg_flags & BG_ROOT_ALIGN)
		343	{
		344	x = -target_x;
		345	y = -target_y;
		346	}
		347	else
		348	{
		349	x = make_align_position (h_align, target_width, w);
		350	y = make_align_position (v_align, target_height, h);
		351	}
		352
		353	bg_flags &= ~BG_IS_SIZE_SENSITIVE;
		354	if ((bg_flags & BG_PROP_SCALE) || h_scale || v_scale
		355	|| (!(bg_flags & BG_ROOT_ALIGN) && (h_align || v_align))
		356	|| w > target_width || h > target_height)
		357	bg_flags |= BG_IS_SIZE_SENSITIVE;
443	}	358	}
444		359
445	# ifdef HAVE_AFTERIMAGE	360	# ifdef HAVE_AFTERIMAGE
446	bool	361	bool
447	bgPixmap_t::render_asim (ASImage *background, ARGB32 background_tint)	362	rxvt_term::render_image (unsigned long tr_flags)
448	{	363	{
449	if (target == NULL)	364	init_asv ();
450	return false;
451		365
452	int target_width = (int)target->szHint.width;	366	ASImage *background = NULL;
453	int target_height = (int)target->szHint.height;	367	ARGB32 background_tint = TINT_LEAVE_SAME;
454	int new_pmap_width = target_width, new_pmap_height = target_height;	368
		369	# ifdef ENABLE_TRANSPARENCY
		370	if (tr_flags)
		371	background = pixmap2ximage (asv, bg_pixmap, 0, 0, bg_pmap_width, bg_pmap_height, AllPlanes, 100);
		372
		373	if (tr_flags & BG_NEEDS_TINT)
		374	{
		375	ShadingInfo as_shade;
		376	as_shade.shading = shade;
		377
		378	rgba c (rgba::MAX_CC,rgba::MAX_CC,rgba::MAX_CC);
		379	if (bg_flags & BG_TINT_SET)
		380	tint.get (c);
		381	as_shade.tintColor.red = c.r;
		382	as_shade.tintColor.green = c.g;
		383	as_shade.tintColor.blue = c.b;
		384
		385	background_tint = shading2tint32 (&as_shade);
		386	}
		387
		388	if ((tr_flags & BG_NEEDS_BLUR) && background != NULL)
		389	{
		390	ASImage *tmp = blur_asimage_gauss (asv, background, h_blurRadius, v_blurRadius, 0xFFFFFFFF,
		391	(original_asim == NULL || tint == TINT_LEAVE_SAME) ? ASA_XImage : ASA_ASImage,
		392	100, ASIMAGE_QUALITY_DEFAULT);
		393	if (tmp)
		394	{
		395	destroy_asimage (&background);
		396	background = tmp;
		397	}
		398	}
		399	# endif
		400
455	ASImage *result = NULL;	401	ASImage *result = 0;
		402
		403	int target_width = szHint.width;
		404	int target_height = szHint.height;
		405	int new_pmap_width = target_width;
		406	int new_pmap_height = target_height;
456		407
457	int x = 0;	408	int x = 0;
458	int y = 0;	409	int y = 0;
459	int w = h_scale * target_width / 100;	410	int w = 0;
460	int h = v_scale * target_height / 100;	411	int h = 0;
461
462	TIMING_TEST_START (asim);
463		412
464	if (original_asim)	413	if (original_asim)
465	{	414	get_image_geometry (original_asim->width, original_asim->height, w, h, x, y);
466	if (h_align == rootAlign || v_align == rootAlign)
467	{
468	target->get_window_origin(x, y);
469	x = -x;
470	y = -y;
471	}
472	if (h_align != rootAlign)
473	x = make_align_position (h_align, target_width, w > 0 ? w : (int)original_asim->width);
474	if (v_align != rootAlign)
475	y = make_align_position (v_align, target_height, h > 0 ? h : (int)original_asim->height);
476	}
477		415
478	if (original_asim == NULL	416	if (!original_asim
		417	|| (!(bg_flags & BG_ROOT_ALIGN)
479	|| x >= target_width	418	&& (x >= target_width
480	|| y >= target_height	419	|| y >= target_height
481	|| (w > 0 && x + w <= 0)	420	|| (x + w <= 0)
482	|| (h > 0 && y + h <= 0))	421	|| (y + h <= 0))))
483	{	422	{
484	if (background)	423	if (background)
485	{	424	{
486	new_pmap_width = background->width;	425	new_pmap_width = background->width;
487	new_pmap_height = background->height;	426	new_pmap_height = background->height;
488	result = background;	427	result = background;
		428
489	if (background_tint != TINT_LEAVE_SAME)	429	if (background_tint != TINT_LEAVE_SAME)
490	{	430	{
491	ASImage* tmp = tile_asimage (target->asv, background, 0, 0,	431	ASImage *tmp = tile_asimage (asv, background, 0, 0,
492	target_width, target_height, background_tint,	432	target_width, target_height, background_tint,
493	ASA_XImage, 100, ASIMAGE_QUALITY_DEFAULT);	433	ASA_XImage, 100, ASIMAGE_QUALITY_DEFAULT);
494	if (tmp)	434	if (tmp)
495	result = tmp;	435	result = tmp;
496	}	436	}
…		…
499	new_pmap_width = new_pmap_height = 0;	439	new_pmap_width = new_pmap_height = 0;
500	}	440	}
501	else	441	else
502	{	442	{
503	result = original_asim;	443	result = original_asim;
		444
504	if ((w > 0 && w != original_asim->width)	445	if ((w != original_asim->width)
505	|| (h > 0 && h != original_asim->height))	446	|| (h != original_asim->height))
506	{	447	{
507	result = scale_asimage (target->asv, original_asim,	448	result = scale_asimage (asv, original_asim,
508	w > 0 ? w : original_asim->width,	449	w, h,
509	h > 0 ? h : original_asim->height,
510	background ? ASA_ASImage : ASA_XImage,	450	background ? ASA_ASImage : ASA_XImage,
511	100, ASIMAGE_QUALITY_DEFAULT);	451	100, ASIMAGE_QUALITY_DEFAULT);
512	}	452	}
		453
513	if (background == NULL)	454	if (background == NULL)
514	{	455	{
515	/* if tiling - pixmap has to be sized exactly as the image,
516	but there is no need to make it bigger then the window! */
517	if (h_scale == 0)
518	new_pmap_width = min (result->width, target_width);
519	if (v_scale == 0)
520	new_pmap_height = min (result->height, target_height);
521	/* we also need to tile our image in one or both directions */
522	if (h_scale == 0 || v_scale == 0)	456	if (h_scale == 0 || v_scale == 0)
523	{	457	{
		458	/* if tiling - pixmap has to be sized exactly as the image,
		459	but there is no need to make it bigger than the window! */
		460	new_pmap_width = min (result->width, target_width);
		461	new_pmap_height = min (result->height, target_height);
		462
		463	/* we also need to tile our image in both directions */
524	ASImage *tmp = tile_asimage (target->asv, result,	464	ASImage *tmp = tile_asimage (asv, result,
525	(h_scale > 0) ? 0 : (int)result->width - x,	465	(int)result->width - x,
526	(v_scale > 0) ? 0 : (int)result->height - y,	466	(int)result->height - y,
527	new_pmap_width,	467	new_pmap_width,
528	new_pmap_height,	468	new_pmap_height,
529	TINT_LEAVE_SAME, ASA_XImage,	469	TINT_LEAVE_SAME, ASA_XImage,
530	100, ASIMAGE_QUALITY_DEFAULT);	470	100, ASIMAGE_QUALITY_DEFAULT);
531	if (tmp)	471	if (tmp)
532	{	472	{
533	if (result != original_asim)	473	if (result != original_asim)
534	destroy_asimage (&result);	474	destroy_asimage (&result);
		475
535	result = tmp;	476	result = tmp;
536	}	477	}
537	}	478	}
538	}	479	}
539	else	480	else
540	{	481	{
541	/* if blending background and image - pixmap has to be sized same as target window */	482	/* if blending background and image - pixmap has to be sized same as target window */
542	ASImageLayer *layers = create_image_layers (2);	483	ASImageLayer *layers = create_image_layers (2);
543	ASImage *merged_im = NULL;
544		484
545	layers[0].im = background;	485	layers[0].im = background;
546	layers[0].clip_width = target_width;	486	layers[0].clip_width = target_width;
547	layers[0].clip_height = target_height;	487	layers[0].clip_height = target_height;
548	layers[0].tint = background_tint;	488	layers[0].tint = background_tint;
549	layers[1].im = result;	489	layers[1].im = result;
550	if (w <= 0)	490
		491	if (h_scale == 0 || v_scale == 0)
551	{	492	{
552	/* tile horizontally */	493	/* tile horizontally */
553	while (x > 0) x -= (int)result->width;	494	while (x > 0) x -= (int)result->width;
554	layers[1].dst_x = x;	495	layers[1].dst_x = x;
555	layers[1].clip_width = result->width+target_width;	496	layers[1].clip_width = result->width+target_width;
…		…
558	{	499	{
559	/* clip horizontally */	500	/* clip horizontally */
560	layers[1].dst_x = x;	501	layers[1].dst_x = x;
561	layers[1].clip_width = result->width;	502	layers[1].clip_width = result->width;
562	}	503	}
563	if (h <= 0)	504
		505	if (h_scale == 0 || v_scale == 0)
564	{	506	{
565	while (y > 0) y -= (int)result->height;	507	while (y > 0) y -= (int)result->height;
566	layers[1].dst_y = y;	508	layers[1].dst_y = y;
567	layers[1].clip_height = result->height + target_height;	509	layers[1].clip_height = result->height + target_height;
568	}	510	}
569	else	511	else
570	{	512	{
571	layers[1].dst_y = y;	513	layers[1].dst_y = y;
572	layers[1].clip_height = result->height;	514	layers[1].clip_height = result->height;
573	}	515	}
		516
574	if (target->rs[Rs_blendtype])	517	if (rs[Rs_blendtype])
575	{	518	{
576	layers[1].merge_scanlines = blend_scanlines_name2func (target->rs[Rs_blendtype]);	519	layers[1].merge_scanlines = blend_scanlines_name2func (rs[Rs_blendtype]);
577	if (layers[1].merge_scanlines == NULL)	520	if (layers[1].merge_scanlines == NULL)
578	layers[1].merge_scanlines = alphablend_scanlines;	521	layers[1].merge_scanlines = alphablend_scanlines;
579	}	522	}
		523
580	ASImage *tmp = merge_layers (target->asv, layers, 2, target_width, target_height,	524	ASImage *tmp = merge_layers (asv, layers, 2, target_width, target_height,
581	ASA_XImage, 0, ASIMAGE_QUALITY_DEFAULT);	525	ASA_XImage, 0, ASIMAGE_QUALITY_DEFAULT);
		526
582	if (tmp)	527	if (tmp)
583	{	528	{
584	if (result != original_asim)	529	if (result != original_asim)
585	destroy_asimage (&result);	530	destroy_asimage (&result);
		531
586	result = tmp;	532	result = tmp;
587	}	533	}
		534
588	free (layers);	535	free (layers);
589	}	536	}
590	}	537	}
591	TIMING_TEST_PRINT_RESULT (asim);
592		538
593	if (pixmap)	539	bool ret = false;
594	{
595	if (result == NULL
596	|| pmap_width != new_pmap_width
597	|| pmap_height != new_pmap_height
598	|| pmap_depth != target->depth)
599	{
600	XFreePixmap (target->dpy, pixmap);
601	pixmap = None;
602	}
603	}
604		540
605	if (result)	541	if (result)
606	{	542	{
607	XGCValues gcv;	543	XGCValues gcv;
608	GC gc;	544	GC gc;
609		545
610	/* create Pixmap */	546	/* create Pixmap */
611	if (pixmap == None)	547	if (bg_pixmap == None
		548	|| bg_pmap_width != new_pmap_width
		549	|| bg_pmap_height != new_pmap_height)
612	{	550	{
		551	if (bg_pixmap)
		552	XFreePixmap (dpy, bg_pixmap);
613	pixmap = XCreatePixmap (target->dpy, target->vt, new_pmap_width, new_pmap_height, target->depth);	553	bg_pixmap = XCreatePixmap (dpy, vt, new_pmap_width, new_pmap_height, depth);
614	pmap_width = new_pmap_width;	554	bg_pmap_width = new_pmap_width;
615	pmap_height = new_pmap_height;	555	bg_pmap_height = new_pmap_height;
616	pmap_depth = target->depth;
617	}	556	}
618	/* fill with background color ( if result's not completely overlapping it)*/	557	/* fill with background color (if result's not completely overlapping it) */
619	gcv.foreground = target->pix_colors[Color_bg];	558	gcv.foreground = pix_colors[Color_bg];
620	gc = XCreateGC (target->dpy, target->vt, GCForeground, &gcv);	559	gc = XCreateGC (dpy, vt, GCForeground, &gcv);
621		560
622	int src_x = 0, src_y = 0, dst_x = 0, dst_y = 0;	561	int src_x = 0, src_y = 0, dst_x = 0, dst_y = 0;
623	int dst_width = result->width, dst_height = result->height;	562	int dst_width = result->width, dst_height = result->height;
624	if (background == NULL)	563	if (background == NULL)
625	{	564	{
626	if (h_scale > 0)	565	if (!(h_scale == 0 || v_scale == 0))
		566	{
627	src_x = make_clip_rectangle (x, result->width, new_pmap_width, dst_x, dst_width);	567	src_x = make_clip_rectangle (x, result->width , new_pmap_width , dst_x, dst_width );
628	if (v_scale > 0)
629	src_y = make_clip_rectangle (y, result->height, new_pmap_height, dst_y, dst_height);	568	src_y = make_clip_rectangle (y, result->height, new_pmap_height, dst_y, dst_height);
		569	}
630		570
631	if (dst_x > 0 || dst_y > 0	571	if (dst_x > 0 || dst_y > 0
632	|| dst_x + dst_width < new_pmap_width	572	|| dst_x + dst_width < new_pmap_width
633	|| dst_y + dst_height < new_pmap_height)	573	|| dst_y + dst_height < new_pmap_height)
634	{
635	XFillRectangle (target->dpy, pixmap, gc, 0, 0, new_pmap_width, new_pmap_height);	574	XFillRectangle (dpy, bg_pixmap, gc, 0, 0, new_pmap_width, new_pmap_height);
636	}
637	}	575	}
638		576
639	/* put result on pixmap */	577	/* put result on pixmap */
640	if (dst_x < new_pmap_width && dst_y < new_pmap_height)	578	if (dst_x < new_pmap_width && dst_y < new_pmap_height)
641	asimage2drawable (target->asv, pixmap, result, gc, src_x, src_y, dst_x, dst_y, dst_width, dst_height, True);	579	asimage2drawable (asv, bg_pixmap, result, gc, src_x, src_y, dst_x, dst_y, dst_width, dst_height, True);
642		580
643	if (result != background && result != original_asim)	581	if (result != background && result != original_asim)
644	destroy_asimage (&result);	582	destroy_asimage (&result);
645		583
646	XFreeGC (target->dpy, gc);	584	XFreeGC (dpy, gc);
647	TIMING_TEST_PRINT_RESULT (asim);	585
		586	ret = true;
		587	}
		588
		589	if (background)
		590	destroy_asimage (&background);
		591
		592	return ret;
		593	}
		594	# endif /* HAVE_AFTERIMAGE */
		595
		596	# ifdef HAVE_PIXBUF
		597	bool
		598	rxvt_term::pixbuf_to_pixmap (GdkPixbuf *pixbuf, Pixmap pixmap, GC gc,
		599	int src_x, int src_y, int dst_x, int dst_y,
		600	unsigned int width, unsigned int height)
		601	{
		602	XImage *ximage;
		603	char *data, *line;
		604	int bytes_per_pixel;
		605	int width_r, width_g, width_b;
		606	int sh_r, sh_g, sh_b;
		607	int rowstride;
		608	int channels;
		609	unsigned char *row;
		610
		611	if (visual->c_class != TrueColor)
		612	return false;
		613
		614	if (depth == 24 || depth == 32)
		615	bytes_per_pixel = 4;
		616	else if (depth == 15 || depth == 16)
		617	bytes_per_pixel = 2;
		618	else
		619	return false;
		620
		621	width_r = rxvt_popcount (visual->red_mask);
		622	width_g = rxvt_popcount (visual->green_mask);
		623	width_b = rxvt_popcount (visual->blue_mask);
		624
		625	if (width_r > 8 || width_g > 8 || width_b > 8)
		626	return false;
		627
		628	sh_r = rxvt_ctz (visual->red_mask);
		629	sh_g = rxvt_ctz (visual->green_mask);
		630	sh_b = rxvt_ctz (visual->blue_mask);
		631
		632	if (width > INT_MAX / height / bytes_per_pixel)
		633	return false;
		634
		635	data = (char *)malloc (width * height * bytes_per_pixel);
		636	if (!data)
		637	return false;
		638
		639	ximage = XCreateImage (dpy, visual, depth, ZPixmap, 0, data,
		640	width, height, bytes_per_pixel * 8, 0);
		641	if (!ximage)
648	}	642	{
		643	free (data);
		644	return false;
		645	}
649		646
		647	ximage->byte_order = byteorder::big_endian () ? MSBFirst : LSBFirst;
		648
		649	rowstride = gdk_pixbuf_get_rowstride (pixbuf);
		650	channels = gdk_pixbuf_get_n_channels (pixbuf);
		651	row = gdk_pixbuf_get_pixels (pixbuf) + src_y * rowstride + src_x * channels;
		652	line = data;
		653
		654	for (int y = 0; y < height; y++)
		655	{
		656	for (int x = 0; x < width; x++)
		657	{
		658	unsigned char *pixel = row + x * channels;
		659	uint32_t value;
		660
		661	value = ((pixel[0] >> (8 - width_r)) << sh_r)
		662	| ((pixel[1] >> (8 - width_g)) << sh_g)
		663	| ((pixel[2] >> (8 - width_b)) << sh_b);
		664
		665	if (bytes_per_pixel == 4)
		666	((uint32_t *)line)[x] = value;
		667	else
		668	((uint16_t *)line)[x] = value;
		669	}
		670
		671	row += rowstride;
		672	line += ximage->bytes_per_line;
		673	}
		674
		675	XPutImage (dpy, pixmap, gc, ximage, 0, 0, dst_x, dst_y, width, height);
		676	XDestroyImage (ximage);
650	return true;	677	return true;
651	}	678	}
652	# endif /* HAVE_AFTERIMAGE */
653		679
654	bool	680	bool
655	bgPixmap_t::set_file (const char *file)	681	rxvt_term::render_image (unsigned long tr_flags)
656	{	682	{
657	char *f;	683	if (!pixbuf)
		684	return false;
658		685
659	assert (file != NULL);	686	if (tr_flags
		687	&& !(bg_flags & BG_HAS_RENDER))
		688	return false;
660		689
661	if (*file != '\0')	690	GdkPixbuf *result;
		691
		692	int image_width = gdk_pixbuf_get_width (pixbuf);
		693	int image_height = gdk_pixbuf_get_height (pixbuf);
		694
		695	int target_width = szHint.width;
		696	int target_height = szHint.height;
		697	int new_pmap_width = target_width;
		698	int new_pmap_height = target_height;
		699
		700	int x = 0;
		701	int y = 0;
		702	int w = 0;
		703	int h = 0;
		704
		705	get_image_geometry (image_width, image_height, w, h, x, y);
		706
		707	if (!(bg_flags & BG_ROOT_ALIGN)
		708	&& (x >= target_width
		709	|| y >= target_height
		710	|| (x + w <= 0)
		711	|| (y + h <= 0)))
		712	return false;
		713
		714	result = pixbuf;
		715
		716	if ((w != image_width)
		717	|| (h != image_height))
		718	{
		719	result = gdk_pixbuf_scale_simple (pixbuf,
		720	w, h,
		721	GDK_INTERP_BILINEAR);
662	{	722	}
		723
		724	bool ret = false;
		725
		726	if (result)
		727	{
		728	XGCValues gcv;
		729	GC gc;
		730	Pixmap root_pmap;
		731
		732	image_width = gdk_pixbuf_get_width (result);
		733	image_height = gdk_pixbuf_get_height (result);
		734
		735	if (tr_flags)
		736	{
		737	root_pmap = bg_pixmap;
		738	bg_pixmap = None;
		739	}
		740	else
		741	{
		742	if (h_scale == 0 || v_scale == 0)
		743	{
		744	new_pmap_width = min (image_width, target_width);
		745	new_pmap_height = min (image_height, target_height);
		746	}
		747	}
		748
		749	if (bg_pixmap == None
		750	|| bg_pmap_width != new_pmap_width
		751	|| bg_pmap_height != new_pmap_height)
		752	{
		753	if (bg_pixmap)
		754	XFreePixmap (dpy, bg_pixmap);
		755	bg_pixmap = XCreatePixmap (dpy, vt, new_pmap_width, new_pmap_height, depth);
		756	bg_pmap_width = new_pmap_width;
		757	bg_pmap_height = new_pmap_height;
		758	}
		759
		760	gcv.foreground = pix_colors[Color_bg];
		761	gc = XCreateGC (dpy, vt, GCForeground, &gcv);
		762
		763	if (h_scale == 0 || v_scale == 0)
		764	{
		765	Pixmap tile = XCreatePixmap (dpy, vt, image_width, image_height, depth);
		766	pixbuf_to_pixmap (result, tile, gc,
		767	0, 0,
		768	0, 0,
		769	image_width, image_height);
		770
		771	gcv.tile = tile;
		772	gcv.fill_style = FillTiled;
		773	gcv.ts_x_origin = x;
		774	gcv.ts_y_origin = y;
		775	XChangeGC (dpy, gc, GCFillStyle | GCTile | GCTileStipXOrigin | GCTileStipYOrigin, &gcv);
		776
		777	XFillRectangle (dpy, bg_pixmap, gc, 0, 0, new_pmap_width, new_pmap_height);
		778	XFreePixmap (dpy, tile);
		779	}
		780	else
		781	{
		782	int src_x, src_y, dst_x, dst_y;
		783	int dst_width, dst_height;
		784
		785	src_x = make_clip_rectangle (x, image_width , new_pmap_width , dst_x, dst_width );
		786	src_y = make_clip_rectangle (y, image_height, new_pmap_height, dst_y, dst_height);
		787
		788	if (dst_x > 0 || dst_y > 0
		789	|| dst_x + dst_width < new_pmap_width
		790	|| dst_y + dst_height < new_pmap_height)
		791	XFillRectangle (dpy, bg_pixmap, gc, 0, 0, new_pmap_width, new_pmap_height);
		792
		793	if (dst_x < new_pmap_width && dst_y < new_pmap_height)
		794	pixbuf_to_pixmap (result, bg_pixmap, gc,
		795	src_x, src_y,
		796	dst_x, dst_y,
		797	dst_width, dst_height);
		798	}
		799
		800	#if XRENDER
		801	if (tr_flags)
		802	{
		803	XRenderPictureAttributes pa;
		804
		805	XRenderPictFormat *src_format = XRenderFindVisualFormat (dpy, visual);
		806	Picture src = XRenderCreatePicture (dpy, root_pmap, src_format, 0, &pa);
		807
		808	XRenderPictFormat *dst_format = XRenderFindVisualFormat (dpy, visual);
		809	Picture dst = XRenderCreatePicture (dpy, bg_pixmap, dst_format, 0, &pa);
		810
		811	pa.repeat = True;
		812	Pixmap mask_pmap = XCreatePixmap (dpy, vt, 1, 1, 8);
		813	XRenderPictFormat *mask_format = XRenderFindStandardFormat (dpy, PictStandardA8);
		814	Picture mask = XRenderCreatePicture (dpy, mask_pmap, mask_format, CPRepeat, &pa);
		815	XFreePixmap (dpy, mask_pmap);
		816
		817	if (src && dst && mask)
		818	{
		819	XRenderColor mask_c;
		820
		821	mask_c.alpha = 0x8000;
		822	mask_c.red = 0;
		823	mask_c.green = 0;
		824	mask_c.blue = 0;
		825	XRenderFillRectangle (dpy, PictOpSrc, mask, &mask_c, 0, 0, 1, 1);
		826	XRenderComposite (dpy, PictOpOver, src, mask, dst, 0, 0, 0, 0, 0, 0, target_width, target_height);
		827	}
		828
		829	XRenderFreePicture (dpy, src);
		830	XRenderFreePicture (dpy, dst);
		831	XRenderFreePicture (dpy, mask);
		832
		833	XFreePixmap (dpy, root_pmap);
		834	}
		835	#endif
		836
		837	if (result != pixbuf)
		838	g_object_unref (result);
		839
		840	XFreeGC (dpy, gc);
		841
		842	ret = true;
		843	}
		844
		845	return ret;
		846	}
		847	# endif /* HAVE_PIXBUF */
		848
		849	bool
		850	rxvt_term::bg_set_file (const char *file)
		851	{
		852	if (!file || !*file)
		853	return false;
		854
		855	if (const char *p = strchr (file, ';'))
		856	{
		857	size_t len = p - file;
		858	char *f = rxvt_temp_buf<char> (len + 1);
		859	memcpy (f, file, len);
		860	f[len] = '\0';
		861	file = f;
		862	}
		863
663	# ifdef HAVE_AFTERIMAGE	864	# ifdef HAVE_AFTERIMAGE
664	if (target->asimman == NULL)	865	if (!asimman)
665	target->asimman = create_generic_imageman (target->rs[Rs_path]);	866	asimman = create_generic_imageman (rs[Rs_path]);
666	if ((f = strchr (file, ';')) == NULL)
667	original_asim = get_asimage (target->asimman, file, 0xFFFFFFFF, 100);	867	ASImage *image = get_asimage (asimman, file, 0xFFFFFFFF, 100);
668	else	868	if (image)
669	{	869	{
670	size_t len = f - file;	870	if (original_asim)
671	f = (char *)malloc (len + 1);	871	safe_asimage_destroy (original_asim);
672	strncpy (f, file, len);	872	original_asim = image;
673	f[len] = '\0';	873	bg_flags |= BG_CLIENT_RENDER;
674	original_asim = get_asimage (target->asimman, f, 0xFFFFFFFF, 100);	874	have_image = true;
675	free (f);	875	return true;
676	}	876	}
677	return (original_asim != NULL);
678	# endif	877	# endif
		878
		879	# ifdef HAVE_PIXBUF
		880	GdkPixbuf *image = gdk_pixbuf_new_from_file (file, NULL);
		881	if (image)
679	}	882	{
		883	if (pixbuf)
		884	g_object_unref (pixbuf);
		885	pixbuf = image;
		886	have_image = true;
		887	return true;
		888	}
		889	# endif
		890
680	return false;	891	return false;
681	}	892	}
682		893
683	# endif /* BG_IMAGE_FROM_FILE */	894	# endif /* BG_IMAGE_FROM_FILE */
684		895
685	# ifdef ENABLE_TRANSPARENCY	896	# ifdef ENABLE_TRANSPARENCY
686	bool	897	bool
687	bgPixmap_t::set_transparent ()	898	rxvt_term::bg_set_transparent ()
688	{	899	{
689	if (!(flags & isTransparent))	900	if (!(bg_flags & BG_IS_TRANSPARENT))
690	{	901	{
691	flags |= isTransparent;	902	bg_flags |= BG_IS_TRANSPARENT;
692	return true;	903	return true;
693	}	904	}
		905
694	return false;	906	return false;
695	}	907	}
696		908
697	bool	909	bool
698	bgPixmap_t::set_blur_radius (const char *geom)	910	rxvt_term::bg_set_blur (const char *geom)
699	{	911	{
700	int changed = 0;	912	bool changed = false;
701	unsigned int hr, vr;	913	unsigned int hr, vr;
702	int junk;	914	int junk;
703	int geom_flags = XParseGeometry (geom, &junk, &junk, &hr, &vr);	915	int geom_flags = XParseGeometry (geom, &junk, &junk, &hr, &vr);
704		916
705	if (!(geom_flags&WidthValue))	917	if (!(geom_flags & WidthValue))
706	hr = 1;	918	hr = 1;
707	if (!(geom_flags&HeightValue))	919	if (!(geom_flags & HeightValue))
708	vr = hr;	920	vr = hr;
709		921
		922	min_it (hr, 128);
		923	min_it (vr, 128);
		924
710	if (h_blurRadius != hr)	925	if (h_blurRadius != hr)
711	{	926	{
712	++changed;	927	changed = true;
713	h_blurRadius = hr;	928	h_blurRadius = hr;
714	}	929	}
715		930
716	if (v_blurRadius != vr)	931	if (v_blurRadius != vr)
717	{	932	{
718	++changed;	933	changed = true;
719	v_blurRadius = vr;	934	v_blurRadius = vr;
720	}	935	}
721		936
722	if (v_blurRadius == 0 && h_blurRadius == 0)	937	if (v_blurRadius == 0 && h_blurRadius == 0)
723	flags &= ~blurNeeded;	938	bg_flags &= ~BG_NEEDS_BLUR;
724	else	939	else
725	flags |= blurNeeded;	940	bg_flags |= BG_NEEDS_BLUR;
726		941
727	return (changed>0);	942	return changed;
728	}	943	}
729		944
730	static inline unsigned long	945	static inline unsigned long
731	compute_tint_shade_flags (rxvt_color *tint, int shade)	946	compute_tint_shade_flags (rxvt_color *tint, int shade)
732	{	947	{
733	unsigned long flags = 0;	948	unsigned long flags = 0;
734	rgba c (rgba::MAX_CC,rgba::MAX_CC,rgba::MAX_CC);	949	rgba c (rgba::MAX_CC,rgba::MAX_CC,rgba::MAX_CC);
735	bool has_shade = (shade > 0 && shade < 100) || (shade > 100 && shade < 200);	950	bool has_shade = shade != 100;
736		951
737	if (tint)	952	if (tint)
738	{	953	{
739	tint->get (c);	954	tint->get (c);
740	# define IS_COMPONENT_WHOLESOME(cmp) ((cmp) <= 0x000700 || (cmp) >= 0x00f700)
741	if (!has_shade && IS_COMPONENT_WHOLESOME (c.r)
742	&& IS_COMPONENT_WHOLESOME (c.g)
743	&& IS_COMPONENT_WHOLESOME (c.b))
744	flags |= bgPixmap_t::tintWholesome;
745	# undef IS_COMPONENT_WHOLESOME
746	}
747
748	if (has_shade)	955	if (!has_shade
749	flags |= bgPixmap_t::tintNeeded;	956	&& (c.r <= 0x00ff || c.r >= 0xff00)
750	else if (tint)	957	&& (c.g <= 0x00ff || c.g >= 0xff00)
751	{	958	&& (c.b <= 0x00ff || c.b >= 0xff00))
752	if ((c.r > 0x000700 || c.g > 0x000700 || c.b > 0x000700)	959	flags |= rxvt_term::BG_TINT_BITAND;
753	&& (c.r < 0x00f700 || c.g < 0x00f700 || c.b < 0x00f700))
754	{
755	flags |= bgPixmap_t::tintNeeded;
756	}	960	}
757	}
758		961
759	if (flags & bgPixmap_t::tintNeeded)	962	if (has_shade || tint)
760	{	963	flags |= rxvt_term::BG_NEEDS_TINT;
761	if (flags & bgPixmap_t::tintWholesome)
762	flags |= bgPixmap_t::tintServerSide;
763	else
764	{
765	#if XFT
766	flags |= bgPixmap_t::tintServerSide;
767	#endif
768	}
769	}
770		964
771	return flags;	965	return flags;
772	}	966	}
773		967
774	bool	968	bool
775	bgPixmap_t::set_tint (rxvt_color &new_tint)	969	rxvt_term::bg_set_tint (rxvt_color &new_tint)
776	{	970	{
777	if (tint != new_tint)	971	if (!(bg_flags & BG_TINT_SET) || tint != new_tint)
778	{	972	{
779	unsigned long new_flags = compute_tint_shade_flags (&new_tint, shade);	973	unsigned long new_flags = compute_tint_shade_flags (&new_tint, shade);
780	tint = new_tint;	974	tint = new_tint;
781	flags = (flags & ~tintFlags) | new_flags | tintSet;	975	bg_flags = (bg_flags & ~BG_TINT_FLAGS) | new_flags | BG_TINT_SET;
782	return true;	976	return true;
783	}	977	}
		978
784	return false;	979	return false;
785	}	980	}
786		981
787	bool	982	bool
788	bgPixmap_t::unset_tint ()	983	rxvt_term::bg_set_shade (const char *shade_str)
789	{	984	{
		985	int new_shade = (shade_str) ? atoi (shade_str) : 100;
		986
		987	clamp_it (new_shade, -100, 200);
		988	if (new_shade < 0)
		989	new_shade = 200 - (100 + new_shade);
		990
		991	if (new_shade != shade)
		992	{
790	unsigned long new_flags = compute_tint_shade_flags (NULL, shade);	993	unsigned long new_flags = compute_tint_shade_flags ((bg_flags & BG_TINT_SET) ? &tint : NULL, new_shade);
791		994	shade = new_shade;
792	if (new_flags != (flags & tintFlags))	995	bg_flags = (bg_flags & ~BG_TINT_FLAGS) | new_flags;
793	{
794	flags = (flags&~tintFlags)|new_flags;
795	return true;	996	return true;
796	}	997	}
		998
797	return false;	999	return false;
798	}	1000	}
799		1001
		1002	#if XRENDER
		1003	static void
		1004	get_gaussian_kernel (int radius, int width, double *kernel, XFixed *params)
		1005	{
		1006	double sigma = radius / 2.0;
		1007	double scale = sqrt (2.0 * M_PI) * sigma;
		1008	double sum = 0.0;
		1009
		1010	for (int i = 0; i < width; i++)
		1011	{
		1012	double x = i - width / 2;
		1013	kernel[i] = exp (-(x * x) / (2.0 * sigma * sigma)) / scale;
		1014	sum += kernel[i];
		1015	}
		1016
		1017	params[0] = XDoubleToFixed (width);
		1018	params[1] = XDoubleToFixed (1);
		1019
		1020	for (int i = 0; i < width; i++)
		1021	params[i+2] = XDoubleToFixed (kernel[i] / sum);
		1022	}
		1023	#endif
		1024
800	bool	1025	bool
801	bgPixmap_t::set_shade (const char *shade_str)	1026	rxvt_term::blur_pixmap (Pixmap pixmap, Visual *visual, int width, int height)
802	{	1027	{
803	int new_shade = (shade_str) ? atoi (shade_str) : 0;	1028	bool ret = false;
		1029	#if XRENDER
		1030	int size = max (h_blurRadius, v_blurRadius) * 2 + 1;
		1031	double *kernel = (double *)malloc (size * sizeof (double));
		1032	XFixed *params = (XFixed *)malloc ((size + 2) * sizeof (XFixed));
804		1033
805	if (new_shade < 0 && new_shade > -100)	1034	XRenderPictureAttributes pa;
806	new_shade = 200 - (100 + new_shade);	1035	XRenderPictFormat *format = XRenderFindVisualFormat (dpy, visual);
807	else if (new_shade == 100)
808	new_shade = 0;
809		1036
810	if (new_shade != shade)	1037	Picture src = XRenderCreatePicture (dpy, pixmap, format, 0, &pa);
		1038	Picture dst = XRenderCreatePicture (dpy, pixmap, format, 0, &pa);
		1039
		1040	if (kernel && params && src && dst)
811	{	1041	{
812	unsigned long new_flags = compute_tint_shade_flags ((flags & tintSet) ? &tint : NULL, new_shade);	1042	if (h_blurRadius)
813	shade = new_shade;	1043	{
814	flags = (flags & (~tintFlags | tintSet)) | new_flags;	1044	size = h_blurRadius * 2 + 1;
		1045	get_gaussian_kernel (h_blurRadius, size, kernel, params);
		1046
		1047	XRenderSetPictureFilter (dpy, src, FilterConvolution, params, size+2);
		1048	XRenderComposite (dpy,
		1049	PictOpSrc,
		1050	src,
		1051	None,
		1052	dst,
		1053	0, 0,
		1054	0, 0,
		1055	0, 0,
		1056	width, height);
		1057	}
		1058
		1059	if (v_blurRadius)
		1060	{
		1061	size = v_blurRadius * 2 + 1;
		1062	get_gaussian_kernel (v_blurRadius, size, kernel, params);
		1063	::swap (params[0], params[1]);
		1064
		1065	XRenderSetPictureFilter (dpy, src, FilterConvolution, params, size+2);
		1066	XRenderComposite (dpy,
		1067	PictOpSrc,
		1068	src,
		1069	None,
		1070	dst,
		1071	0, 0,
		1072	0, 0,
		1073	0, 0,
		1074	width, height);
		1075	}
		1076
815	return true;	1077	ret = true;
		1078	}
		1079
		1080	free (kernel);
		1081	free (params);
		1082	XRenderFreePicture (dpy, src);
		1083	XRenderFreePicture (dpy, dst);
		1084	#endif
		1085	return ret;
		1086	}
		1087
		1088	bool
		1089	rxvt_term::tint_pixmap (Pixmap pixmap, Visual *visual, int width, int height)
		1090	{
		1091	bool ret = false;
		1092
		1093	if (bg_flags & BG_TINT_BITAND)
816	}	1094	{
		1095	XGCValues gcv;
		1096	GC gc;
		1097
		1098	/* In this case we can tint image server-side getting significant
		1099	* performance improvements, as we eliminate XImage transfer
		1100	*/
		1101	gcv.foreground = Pixel (tint);
		1102	gcv.function = GXand;
		1103	gcv.fill_style = FillSolid;
		1104	gc = XCreateGC (dpy, pixmap, GCFillStyle | GCForeground | GCFunction, &gcv);
		1105	if (gc)
		1106	{
		1107	XFillRectangle (dpy, pixmap, gc, 0, 0, width, height);
		1108	ret = true;
		1109	XFreeGC (dpy, gc);
		1110	}
		1111	}
		1112	else
		1113	{
		1114	# if XRENDER
		1115	rgba c (rgba::MAX_CC,rgba::MAX_CC,rgba::MAX_CC);
		1116
		1117	if (bg_flags & BG_TINT_SET)
		1118	tint.get (c);
		1119
		1120	if (shade <= 100)
		1121	{
		1122	c.r = (c.r * shade) / 100;
		1123	c.g = (c.g * shade) / 100;
		1124	c.b = (c.b * shade) / 100;
		1125	}
		1126	else
		1127	{
		1128	c.r = (c.r * (200 - shade)) / 100;
		1129	c.g = (c.g * (200 - shade)) / 100;
		1130	c.b = (c.b * (200 - shade)) / 100;
		1131	}
		1132
		1133	XRenderPictFormat *solid_format = XRenderFindStandardFormat (dpy, PictStandardARGB32);
		1134	XRenderPictFormat *format = XRenderFindVisualFormat (dpy, visual);
		1135	XRenderPictureAttributes pa;
		1136
		1137	Picture back_pic = XRenderCreatePicture (dpy, pixmap, format, 0, &pa);
		1138
		1139	pa.repeat = True;
		1140
		1141	Pixmap overlay_pmap = XCreatePixmap (dpy, pixmap, 1, 1, 32);
		1142	Picture overlay_pic = XRenderCreatePicture (dpy, overlay_pmap, solid_format, CPRepeat, &pa);
		1143	XFreePixmap (dpy, overlay_pmap);
		1144
		1145	pa.component_alpha = True;
		1146	Pixmap mask_pmap = XCreatePixmap (dpy, pixmap, 1, 1, 32);
		1147	Picture mask_pic = XRenderCreatePicture (dpy, mask_pmap, solid_format, CPRepeat|CPComponentAlpha, &pa);
		1148	XFreePixmap (dpy, mask_pmap);
		1149
		1150	if (mask_pic && overlay_pic && back_pic)
		1151	{
		1152	XRenderColor mask_c;
		1153
		1154	mask_c.red = mask_c.green = mask_c.blue = 0;
		1155	mask_c.alpha = 0xffff;
		1156	XRenderFillRectangle (dpy, PictOpSrc, overlay_pic, &mask_c, 0, 0, 1, 1);
		1157
		1158	mask_c.alpha = 0;
		1159	mask_c.red = 0xffff - c.r;
		1160	mask_c.green = 0xffff - c.g;
		1161	mask_c.blue = 0xffff - c.b;
		1162	XRenderFillRectangle (dpy, PictOpSrc, mask_pic, &mask_c, 0, 0, 1, 1);
		1163	XRenderComposite (dpy, PictOpOver, overlay_pic, mask_pic, back_pic, 0, 0, 0, 0, 0, 0, width, height);
		1164
		1165	if (shade > 100)
		1166	{
		1167	mask_c.red = mask_c.green = mask_c.blue = 0xffff * (shade - 100) / 100;
		1168	mask_c.alpha = 0;
		1169	XRenderFillRectangle (dpy, PictOpSrc, overlay_pic, &mask_c, 0, 0, 1, 1);
		1170
		1171	XRenderComposite (dpy, PictOpOver, overlay_pic, None, back_pic, 0, 0, 0, 0, 0, 0, width, height);
		1172	}
		1173
		1174	ret = true;
		1175	}
		1176
		1177	XRenderFreePicture (dpy, mask_pic);
		1178	XRenderFreePicture (dpy, overlay_pic);
		1179	XRenderFreePicture (dpy, back_pic);
		1180	# endif
		1181	}
		1182
817	return false;	1183	return ret;
818	}	1184	}
819		1185
820	/* make_transparency_pixmap()	1186	/* make_transparency_pixmap()
821	* Builds a pixmap sized the same as terminal window, with depth same as the root window	1187	* Builds a pixmap of the same size as the terminal window that contains
822	* that pixmap contains tiled portion of the root pixmap that is supposed to be covered by	1188	* the tiled portion of the root pixmap that is supposed to be covered by
823	* our window.	1189	* our window.
824	*/	1190	*/
825	unsigned long	1191	unsigned long
826	bgPixmap_t::make_transparency_pixmap ()	1192	rxvt_term::make_transparency_pixmap ()
827	{	1193	{
828	unsigned long result = 0;	1194	unsigned long result = 0;
829		1195
830	if (target == NULL)
831	return 0;
832
833	/* root dimentions may change from call to call - but Display structure should	1196	/* root dimensions may change from call to call - but Display structure should
834	* be always up-to-date, so let's use it :	1197	* be always up-to-date, so let's use it :
835	*/	1198	*/
836	Window root = target->display->root;
837	int screen = target->display->screen;	1199	int screen = display->screen;
838	Display *dpy = target->dpy;	1200	int root_depth = DefaultDepth (dpy, screen);
839	int root_width = DisplayWidth (dpy, screen);	1201	int root_width = DisplayWidth (dpy, screen);
840	int root_height = DisplayHeight (dpy, screen);	1202	int root_height = DisplayHeight (dpy, screen);
841	unsigned int root_pmap_width, root_pmap_height;	1203	unsigned int root_pmap_width, root_pmap_height;
842	int window_width = target->szHint.width;	1204	int window_width = szHint.width;
843	int window_height = target->szHint.height;	1205	int window_height = szHint.height;
844	int sx, sy;	1206	int sx, sy;
845	XGCValues gcv;	1207	XGCValues gcv;
		1208	GC gc;
846		1209
847	TIMING_TEST_START (tp);	1210	sx = target_x;
848	target->get_window_origin (sx, sy);	1211	sy = target_y;
849		1212
850	/* check if we are outside of the visible part of the virtual screen : */	1213	/* check if we are outside of the visible part of the virtual screen : */
851	if (sx + window_width <= 0 || sy + window_height <= 0	1214	if (sx + window_width <= 0 || sy + window_height <= 0
852	|| sx >= root_width || sy >= root_height)	1215	|| sx >= root_width || sy >= root_height)
853	return 0;	1216	return 0;
854		1217
		1218	// validate root pixmap and get its size
855	if (root_pixmap != None)	1219	if (root_pixmap != None)
856	{	1220	{
857	/* we want to validate the pixmap and get it's size at the same time : */	1221	Window wdummy;
858	int junk;	1222	int idummy;
859	unsigned int ujunk;	1223	unsigned int udummy;
860	/* root pixmap may be bad - allow a error */	1224
861	target->allowedxerror = -1;	1225	allowedxerror = -1;
862		1226
863	if (!XGetGeometry (dpy, root_pixmap, &root, &junk, &junk, &root_pmap_width, &root_pmap_height, &ujunk, &ujunk))	1227	if (!XGetGeometry (dpy, root_pixmap, &wdummy, &idummy, &idummy, &root_pmap_width, &root_pmap_height, &udummy, &udummy))
864	root_pixmap = None;	1228	root_pixmap = None;
865		1229
866	target->allowedxerror = 0;	1230	allowedxerror = 0;
		1231	}
		1232
		1233	Pixmap recoded_root_pmap = root_pixmap;
		1234
		1235	if (root_pixmap != None && root_depth != depth)
867	}	1236	{
		1237	#if XRENDER
		1238	if (bg_flags & BG_HAS_RENDER)
		1239	{
		1240	XRenderPictureAttributes pa;
868		1241
869	Pixmap tiled_root_pmap = XCreatePixmap (dpy, root, window_width, window_height, root_depth);	1242	XRenderPictFormat *src_format = XRenderFindVisualFormat (dpy, DefaultVisual (dpy, screen));
870	GC gc = NULL;	1243	Picture src = XRenderCreatePicture (dpy, root_pixmap, src_format, 0, &pa);
871		1244
872	if (tiled_root_pmap == None) /* something really bad happened - abort */	1245	recoded_root_pmap = XCreatePixmap (dpy, vt, root_pmap_width, root_pmap_height, depth);
		1246	XRenderPictFormat *dst_format = XRenderFindVisualFormat (dpy, visual);
		1247	Picture dst = XRenderCreatePicture (dpy, recoded_root_pmap, dst_format, 0, &pa);
		1248
		1249	if (src && dst)
		1250	XRenderComposite (dpy, PictOpSrc, src, None, dst, 0, 0, 0, 0, 0, 0, root_pmap_width, root_pmap_height);
		1251	else
		1252	{
		1253	XFreePixmap (dpy, recoded_root_pmap);
		1254	root_pixmap = None;
		1255	}
		1256
		1257	XRenderFreePicture (dpy, src);
		1258	XRenderFreePicture (dpy, dst);
		1259	}
		1260	else
		1261	#endif
		1262	root_pixmap = None;
		1263	}
		1264
		1265	if (root_pixmap == None)
873	return 0;	1266	return 0;
874		1267
		1268	if (bg_pixmap == None
		1269	|| bg_pmap_width != window_width
		1270	|| bg_pmap_height != window_height)
		1271	{
		1272	if (bg_pixmap)
		1273	XFreePixmap (dpy, bg_pixmap);
		1274	bg_pixmap = XCreatePixmap (dpy, vt, window_width, window_height, depth);
		1275	bg_pmap_width = window_width;
		1276	bg_pmap_height = window_height;
		1277	}
		1278
875	if (root_pixmap == None)	1279	if (bg_pixmap == None)
876	{	1280	return 0;
877	/* use tricks to obtain the root background image :*/
878	/* we want to create Overrideredirect window overlapping out window
879	with background type of Parent Relative and then grab it */
880	XSetWindowAttributes attr;
881	Window src;
882	bool success = false;
883		1281
884	attr.background_pixmap = ParentRelative;
885	attr.backing_store = Always;
886	attr.event_mask = ExposureMask;
887	attr.override_redirect = True;
888	src = XCreateWindow (dpy, root, sx, sy, window_width, window_height, 0,
889	CopyFromParent, CopyFromParent, CopyFromParent,
890	CWBackPixmap|CWBackingStore|CWOverrideRedirect|CWEventMask,
891	&attr);
892
893	if (src != None)
894	{
895	XEvent event;
896	int ev_count = 0;
897	XGrabServer (dpy);
898	XMapRaised (dpy, src);
899	XSync (dpy, False);
900
901	/* XSync should get window where it's properly exposed,
902	* but to be on the safe side - let's check for the actuall event to arrive : */
903	while (XCheckWindowEvent (dpy, src, ExposureMask, &event))
904	++ev_count;
905
906	if (ev_count > 0);
907	{
908	/* hooray! - we can grab the image! */
909	gc = XCreateGC (dpy, root, 0, NULL);
910	if (gc)
911	{
912	XCopyArea (dpy, src, tiled_root_pmap, gc, 0, 0, window_width, window_height, 0, 0);
913	success = true;
914	}
915	}
916	XDestroyWindow (dpy, src);
917	XUngrabServer (dpy);
918	//fprintf (stderr, "%s:%d: ev_count = %d\n", __FUNCTION__, __LINE__, ev_count);
919	}
920
921	if (!success)
922	{
923	XFreePixmap (dpy, tiled_root_pmap);
924	tiled_root_pmap = None;
925	}
926	else
927	result |= transpPmapTiled;
928	}
929	else
930	{
931	/* strightforward pixmap copy */	1282	/* straightforward pixmap copy */
932	gcv.tile = root_pixmap;
933	gcv.fill_style = FillTiled;
934
935	while (sx < 0) sx += (int)root_width;	1283	while (sx < 0) sx += (int)root_width;
936	while (sy < 0) sy += (int)root_height;	1284	while (sy < 0) sy += (int)root_height;
937		1285
		1286	gcv.tile = recoded_root_pmap;
		1287	gcv.fill_style = FillTiled;
938	gcv.ts_x_origin = -sx;	1288	gcv.ts_x_origin = -sx;
939	gcv.ts_y_origin = -sy;	1289	gcv.ts_y_origin = -sy;
940	gc = XCreateGC (dpy, root, GCFillStyle | GCTile | GCTileStipXOrigin | GCTileStipYOrigin, &gcv);	1290	gc = XCreateGC (dpy, vt, GCFillStyle | GCTile | GCTileStipXOrigin | GCTileStipYOrigin, &gcv);
		1291
		1292	if (gc)
		1293	{
		1294	XFillRectangle (dpy, bg_pixmap, gc, 0, 0, window_width, window_height);
		1295	result |= BG_IS_VALID | (bg_flags & BG_EFFECTS_FLAGS);
		1296	XFreeGC (dpy, gc);
		1297
		1298	if (!(bg_flags & BG_CLIENT_RENDER))
		1299	{
		1300	if ((bg_flags & BG_NEEDS_BLUR)
		1301	&& (bg_flags & BG_HAS_RENDER_CONV))
		1302	{
		1303	if (blur_pixmap (bg_pixmap, visual, window_width, window_height))
		1304	result &= ~BG_NEEDS_BLUR;
		1305	}
		1306	if ((bg_flags & BG_NEEDS_TINT)
		1307	&& (bg_flags & (BG_TINT_BITAND | BG_HAS_RENDER)))
		1308	{
		1309	if (tint_pixmap (bg_pixmap, visual, window_width, window_height))
		1310	result &= ~BG_NEEDS_TINT;
		1311	}
		1312	} /* server side rendering completed */
		1313	}
		1314
		1315	if (recoded_root_pmap != root_pixmap)
		1316	XFreePixmap (dpy, recoded_root_pmap);
		1317
		1318	return result;
		1319	}
		1320
		1321	void
		1322	rxvt_term::bg_set_root_pixmap ()
		1323	{
		1324	Pixmap new_root_pixmap = get_pixmap_property (xa[XA_XROOTPMAP_ID]);
		1325	if (new_root_pixmap == None)
		1326	new_root_pixmap = get_pixmap_property (xa[XA_ESETROOT_PMAP_ID]);
		1327
		1328	root_pixmap = new_root_pixmap;
		1329	}
		1330	# endif /* ENABLE_TRANSPARENCY */
		1331
		1332	#if defined(ENABLE_TRANSPARENCY) && !defined(HAVE_AFTERIMAGE)
		1333	static void shade_ximage (Visual *visual, XImage *ximage, int shade, const rgba &c);
		1334	# endif
		1335
		1336	bool
		1337	rxvt_term::bg_render ()
		1338	{
		1339	unsigned long tr_flags = 0;
		1340
		1341	bg_invalidate ();
		1342	# ifdef ENABLE_TRANSPARENCY
		1343	if (bg_flags & BG_IS_TRANSPARENT)
		1344	{
		1345	/* we need to re-generate transparency pixmap in that case ! */
		1346	tr_flags = make_transparency_pixmap ();
		1347	if (tr_flags == 0)
		1348	return false;
		1349	else if (!(tr_flags & BG_EFFECTS_FLAGS))
		1350	bg_flags |= BG_IS_VALID;
		1351	}
		1352	# endif
		1353
		1354	# ifdef BG_IMAGE_FROM_FILE
		1355	if (have_image
		1356	|| (tr_flags & BG_EFFECTS_FLAGS))
		1357	{
		1358	if (render_image (tr_flags))
		1359	bg_flags |= BG_IS_VALID;
		1360	}
		1361	# endif
		1362
		1363	# if defined(ENABLE_TRANSPARENCY) && !defined(HAVE_AFTERIMAGE)
		1364	XImage *result = NULL;
		1365
		1366	if (tr_flags && !(bg_flags & BG_IS_VALID))
		1367	{
		1368	result = XGetImage (dpy, bg_pixmap, 0, 0, bg_pmap_width, bg_pmap_height, AllPlanes, ZPixmap);
		1369	}
		1370
		1371	if (result)
		1372	{
		1373	/* our own client-side tinting */
		1374	if (tr_flags & BG_NEEDS_TINT)
		1375	{
		1376	rgba c (rgba::MAX_CC,rgba::MAX_CC,rgba::MAX_CC);
		1377	if (bg_flags & BG_TINT_SET)
		1378	tint.get (c);
		1379	shade_ximage (DefaultVisual (dpy, display->screen), result, shade, c);
		1380	}
		1381
		1382	GC gc = XCreateGC (dpy, vt, 0UL, NULL);
941		1383
942	if (gc)	1384	if (gc)
943	{	1385	{
944	XFillRectangle (dpy, tiled_root_pmap, gc, 0, 0, window_width, window_height);	1386	XPutImage (dpy, bg_pixmap, gc, result, 0, 0, 0, 0, result->width, result->height);
945	result |= transpPmapTiled;
946	}
947	}
948	TIMING_TEST_PRINT_RESULT (tp);
949		1387
950	if (tiled_root_pmap != None)	1388	XFreeGC (dpy, gc);
951	{	1389	bg_flags |= BG_IS_VALID;
952	if (!need_client_side_rendering ())
953	{	1390	}
954	if ((flags & tintNeeded))
955	{
956	if (flags & tintWholesome)
957	{
958	/* In this case we can tint image server-side getting significant
959	* performance improvements, as we eliminate XImage transfer
960	*/
961	gcv.foreground = Pixel (tint);
962	gcv.function = GXand;
963	gcv.fill_style = FillSolid;
964	if (gc)
965	XChangeGC (dpy, gc, GCFillStyle | GCForeground | GCFunction, &gcv);
966	else
967	gc = XCreateGC (dpy, root, GCFillStyle | GCForeground | GCFunction, &gcv);
968	if (gc)
969	{
970	XFillRectangle (dpy, tiled_root_pmap, gc, 0, 0, window_width, window_height);
971	result |= transpPmapTinted;
972	}
973	}
974	else
975	{
976	# if XFT
977	Picture back_pic = 0;
978	rgba c (rgba::MAX_CC,rgba::MAX_CC,rgba::MAX_CC);
979		1391
980	if (flags & tintSet)	1392	XDestroyImage (result);
981	tint.get (c);
982
983	if (shade > 0 && shade < 100)
984	{
985	c.r = (c.r * shade) / 100;
986	c.g = (c.g * shade) / 100;
987	c.b = (c.b * shade) / 100;
988	}
989	else if (shade > 100 && shade < 200)
990	{
991	c.r = (c.r * (200 - shade)) / 100;
992	c.g = (c.g * (200 - shade)) / 100;
993	c.b = (c.b * (200 - shade)) / 100;
994	}
995
996	XRenderPictFormat pf;
997	pf.type = PictTypeDirect;
998	pf.depth = 32;
999	pf.direct.redMask = 0xff;
1000	pf.direct.greenMask = 0xff;
1001	pf.direct.blueMask = 0xff;
1002	pf.direct.alphaMask = 0xff;
1003
1004	XRenderPictFormat *solid_format = XRenderFindFormat (dpy,
1005	(PictFormatType|
1006	PictFormatDepth|
1007	PictFormatRedMask|
1008	PictFormatGreenMask|
1009	PictFormatBlueMask|
1010	PictFormatAlphaMask),
1011	&pf,
1012	0);
1013	XRenderPictFormat *root_format = XRenderFindVisualFormat (dpy, DefaultVisualOfScreen (ScreenOfDisplay (dpy, target->display->screen)));
1014	XRenderPictureAttributes pa ;
1015
1016	back_pic = XRenderCreatePicture (dpy, tiled_root_pmap, root_format, 0, &pa);
1017
1018	pa.repeat = True;
1019
1020	Pixmap overlay_pmap = XCreatePixmap (dpy, root, 1, 1, 32);
1021	Picture overlay_pic = XRenderCreatePicture (dpy, overlay_pmap, solid_format, CPRepeat, &pa);
1022	XFreePixmap (dpy, overlay_pmap);
1023
1024	pa.component_alpha = True;
1025	Pixmap mask_pmap = XCreatePixmap (dpy, root, 1, 1, 32);
1026	Picture mask_pic = XRenderCreatePicture (dpy, mask_pmap, solid_format, CPRepeat|CPComponentAlpha, &pa);
1027	XFreePixmap (dpy, mask_pmap);
1028
1029	if (mask_pic && overlay_pic && back_pic)
1030	{
1031	XRenderColor mask_c;
1032
1033	memset (&mask_c, (shade > 100) ? 0xFF : 0x0, sizeof (mask_c));
1034	mask_c.alpha = 0xffff;
1035	XRenderFillRectangle (dpy, PictOpSrc, overlay_pic, &mask_c, 0, 0, 1, 1);
1036
1037	mask_c.alpha = 0;
1038	mask_c.red = 0xffff - c.r;
1039	mask_c.green = 0xffff - c.g;
1040	mask_c.blue = 0xffff - c.b;
1041	XRenderFillRectangle (dpy, PictOpSrc, mask_pic, &mask_c, 0, 0, 1, 1);
1042	XRenderComposite (dpy, PictOpOver, overlay_pic, mask_pic, back_pic, 0, 0, 0, 0, 0, 0, window_width, window_height);
1043	result |= transpPmapTinted;
1044	}
1045	XRenderFreePicture (dpy, mask_pic);
1046	XRenderFreePicture (dpy, overlay_pic);
1047	XRenderFreePicture (dpy, back_pic);
1048	# if DO_TIMING_TEST
1049	XSync (dpy, False);
1050	# endif
1051	# endif
1052	}
1053	}
1054	} /* server side rendering completed */
1055
1056	if (pixmap)
1057	XFreePixmap (dpy, pixmap);
1058
1059	pixmap = tiled_root_pmap;
1060	pmap_width = window_width;
1061	pmap_height = window_height;
1062	pmap_depth = root_depth;
1063	}
1064
1065	if (gc)
1066	XFreeGC (dpy, gc);
1067
1068	TIMING_TEST_PRINT_RESULT (tp);
1069
1070	return result;
1071	}
1072
1073	bool
1074	bgPixmap_t::set_root_pixmap ()
1075	{
1076	Pixmap new_root_pixmap = None;
1077
1078	new_root_pixmap = target->get_pixmap_property (XA_XROOTPMAP_ID);
1079	if (new_root_pixmap == None)
1080	new_root_pixmap = target->get_pixmap_property (XA_ESETROOT_PMAP_ID);
1081
1082	if (new_root_pixmap != root_pixmap)
1083	{	1393	}
1084	root_pixmap = new_root_pixmap;
1085	return true;
1086	}
1087	return false;
1088	}
1089	# endif /* ENABLE_TRANSPARENCY */
1090
1091	# ifndef HAVE_AFTERIMAGE
1092	static void ShadeXImage(rxvt_term *term, XImage* srcImage, int shade, int rm, int gm, int bm);
1093	# endif	1394	# endif
1094		1395
1095		1396	if (!(bg_flags & BG_IS_VALID))
1096	bool
1097	bgPixmap_t::render ()
1098	{
1099	unsigned long background_flags = 0;
1100
1101	if (target == NULL)
1102	return false;
1103
1104	TIMING_TEST_START (tp);
1105
1106	invalidate();
1107	# ifdef ENABLE_TRANSPARENCY
1108	if (flags & isTransparent)
1109	{
1110	/* we need to re-generate transparency pixmap in that case ! */
1111	background_flags = make_transparency_pixmap ();
1112	if (background_flags == 0)
1113	return false;
1114	else if ((background_flags & transpTransformations) == (flags & transpTransformations)
1115	&& pmap_depth == target->depth)
1116	flags = flags & ~isInvalid;
1117	}	1397	{
1118	# endif
1119
1120	XImage *result = NULL;
1121	# ifdef HAVE_AFTERIMAGE
1122	if (original_asim
1123	|| (background_flags & transpTransformations) != (flags & transpTransformations))
1124	{
1125	ASImage *background = NULL;
1126	ARGB32 as_tint = TINT_LEAVE_SAME;
1127	if (background_flags)
1128	background = pixmap2ximage (target->asv, pixmap, 0, 0, pmap_width, pmap_height, AllPlanes, 100);
1129
1130	# ifdef ENABLE_TRANSPARENCY
1131	if (!(background_flags & transpPmapTinted) && (flags & tintNeeded))
1132	{
1133	ShadingInfo as_shade;
1134	as_shade.shading = (shade == 0) ? 100 : shade;
1135
1136	rgba c (rgba::MAX_CC,rgba::MAX_CC,rgba::MAX_CC);
1137	if (flags & tintSet)
1138	tint.get (c);
1139	as_shade.tintColor.red = c.r;
1140	as_shade.tintColor.green = c.g;
1141	as_shade.tintColor.blue = c.b;
1142
1143	as_tint = shading2tint32 (&as_shade);
1144	}
1145	if (!(background_flags & transpPmapBlured) && (flags & blurNeeded) && background != NULL)
1146	{
1147	ASImage* tmp = blur_asimage_gauss (target->asv, background, h_blurRadius, v_blurRadius, 0xFFFFFFFF,
1148	(original_asim == NULL || tint == TINT_LEAVE_SAME)?ASA_XImage:ASA_ASImage,
1149	100, ASIMAGE_QUALITY_DEFAULT);
1150	if (tmp)
1151	{
1152	destroy_asimage (&background);
1153	background = tmp;
1154	}
1155	}
1156	# endif
1157
1158	if (render_asim (background, as_tint))
1159	flags = flags & ~isInvalid;
1160	if (background)
1161	destroy_asimage (&background);
1162	}
1163	else if (background_flags && pmap_depth != target->depth)
1164	{
1165	result = XGetImage (target->dpy, pixmap, 0, 0, pmap_width, pmap_height, AllPlanes, ZPixmap);
1166	}
1167
1168	# elif !XFT /* our own client-side tinting */
1169
1170	/* ATTENTION: We ASSUME that XFT will let us do all the tinting neccessary server-side.
1171	This may need to be changed in need_client_side_rendering() logic is altered !!! */
1172
1173	if (background_flags && (flags & isInvalid))
1174	{
1175	result = XGetImage (target->dpy, pixmap, 0, 0, pmap_width, pmap_height, AllPlanes, ZPixmap);
1176	if (result != NULL && !(background_flags & transpPmapTinted) && (flags & tintNeeded))
1177	{
1178	rgba c (rgba::MAX_CC,rgba::MAX_CC,rgba::MAX_CC);
1179	if (flags & tintSet)
1180	tint.get (c);
1181	ShadeXImage (target, result, shade, c.r, c.g, c.b);
1182	}
1183	}
1184	# endif /* HAVE_AFTERIMAGE */
1185
1186	if (result != NULL)
1187	{
1188	GC gc = XCreateGC (target->dpy, target->vt, 0UL, NULL);
1189	if (gc)
1190	{
1191	if (/*pmap_depth != target->depth &&*/ pixmap != None)
1192	{
1193	XFreePixmap (target->dpy, pixmap);
1194	pixmap = None;
1195	}
1196	if (pixmap == None)
1197	{
1198	pixmap = XCreatePixmap (target->dpy, target->vt, result->width, result->height, target->depth);
1199	pmap_width = result->width;
1200	pmap_height = result->height;
1201	pmap_depth = target->depth;
1202	}
1203	if (pmap_depth != result->depth)
1204	{
1205	/* Bad Match error will ensue ! stupid X !!!! */
1206	if (result->depth == 24 && pmap_depth == 32)
1207	result->depth = 32;
1208	else if (result->depth == 32 && pmap_depth == 24)
1209	result->depth = 24;
1210	else
1211	{
1212	/* TODO: implement image recoding */
1213	}
1214	}
1215	if (pmap_depth == result->depth)
1216	XPutImage (target->dpy, pixmap, gc, result, 0, 0, 0, 0, result->width, result->height);
1217	XFreeGC (target->dpy, gc);
1218	flags = flags & ~isInvalid;
1219	}
1220	XDestroyImage (result);
1221	}
1222
1223	if (flags & isInvalid)
1224	{
1225	if (pixmap != None)	1398	if (bg_pixmap != None)
1226	{	1399	{
1227	XFreePixmap (target->dpy, pixmap);	1400	XFreePixmap (dpy, bg_pixmap);
1228	pixmap = None;	1401	bg_pixmap = None;
1229	}	1402	}
1230	}	1403	}
1231		1404
1232	apply ();	1405	scr_recolour (false);
		1406	bg_flags |= BG_NEEDS_REFRESH;
1233		1407
1234	TIMING_TEST_PRINT_RESULT (tp);	1408	bg_valid_since = ev::now ();
1235		1409
1236	return true;	1410	return true;
1237	}	1411	}
1238		1412
1239	bool
1240	bgPixmap_t::set_target (rxvt_term *new_target)
1241	{
1242	if (new_target)
1243	if (target != new_target)
1244	{
1245	target = new_target;
1246	# ifdef ENABLE_TRANSPARENCY
1247	root_depth = DefaultDepthOfScreen (ScreenOfDisplay (target->dpy, target->display->screen));
1248	# endif
1249	return true;
1250	}
1251	return false;
1252	}
1253
1254	void	1413	void
1255	bgPixmap_t::apply()	1414	rxvt_term::bg_init ()
1256	{	1415	{
1257	if (target)
1258	{
1259	flags &= ~isVtOrigin;
1260	if (pixmap != None)
1261	{
1262	/* set target's background to pixmap */
1263	# ifdef ENABLE_TRANSPARENCY	1416	#ifdef ENABLE_TRANSPARENCY
1264	if (flags & isTransparent)	1417	shade = 100;
1265	{
1266	XSetWindowBackgroundPixmap (target->dpy, target->parent[0], pixmap);
1267	XSetWindowBackgroundPixmap (target->dpy, target->vt, ParentRelative);
1268	# if HAVE_SCROLLBARS
1269	if (target->scrollBar.win)
1270	XSetWindowBackgroundPixmap (target->dpy, target->scrollBar.win, ParentRelative);
1271	# endif
1272	}
1273	else
1274	# endif	1418	#endif
1275	{	1419
1276	flags |= isVtOrigin;	1420	bg_flags &= ~(BG_HAS_RENDER | BG_HAS_RENDER_CONV);
1277	/* force old pixmap dereference in case it was transparent before :*/	1421	#if XRENDER
1278	XSetWindowBackground (target->dpy, target->parent[0], target->pix_colors[Color_border]);	1422	int major, minor;
1279	XSetWindowBackgroundPixmap (target->dpy, target->vt, pixmap);	1423	if (XRenderQueryVersion (dpy, &major, &minor))
1280	/* do we also need to set scrollbar's background here ? */	1424	bg_flags |= BG_HAS_RENDER;
1281	# if HAVE_SCROLLBARS	1425	XFilters *filters = XRenderQueryFilters (dpy, vt);
1282	if (target->scrollBar.win)	1426	if (filters)
1283	XSetWindowBackground (target->dpy, target->scrollBar.win, target->pix_colors[Color_border]);	1427	{
		1428	for (int i = 0; i < filters->nfilter; i++)
		1429	if (!strcmp (filters->filter[i], FilterConvolution))
		1430	bg_flags |= BG_HAS_RENDER_CONV;
		1431
		1432	XFree (filters);
		1433	}
1284	# endif	1434	#endif
1285	}
1286	}
1287	else
1288	{
1289	/* set target background to a pixel */
1290	XSetWindowBackground (target->dpy, target->parent[0], target->pix_colors[Color_border]);
1291	XSetWindowBackground (target->dpy, target->vt, target->pix_colors[Color_bg]);
1292	/* do we also need to set scrollbar's background here ? */
1293	# if HAVE_SCROLLBARS
1294	if (target->scrollBar.win)
1295	XSetWindowBackground (target->dpy, target->scrollBar.win, target->pix_colors[Color_border]);
1296	# endif
1297	}
1298	/* don't want Expose on the parent or vt. It is better to use
1299	scr_touch or we get a great deal of flicker otherwise: */
1300	XClearWindow (target->dpy, target->parent[0]);
1301
1302	# if HAVE_SCROLLBARS
1303	if (target->scrollBar.win)
1304	{
1305	target->scrollBar.setIdle ();
1306	target->scrollbar_show (0);
1307	}
1308	# endif
1309
1310	target->want_refresh = 1;
1311	flags |= hasChanged;
1312	}
1313	}	1435	}
1314		1436
1315	#endif /* HAVE_BG_PIXMAP */	1437	#endif /* HAVE_BG_PIXMAP */
1316		1438
1317	#if defined(ENABLE_TRANSPARENCY) && !defined(HAVE_AFTERIMAGE) && !XFT	1439	#if defined(ENABLE_TRANSPARENCY) && !defined(HAVE_AFTERIMAGE)
1318	/* taken from aterm-0.4.2 */	1440	/* taken from aterm-0.4.2 */
1319		1441
1320	typedef uint32_t RUINT32T;
1321
1322	static void	1442	static void
1323	ShadeXImage(rxvt_term *term, XImage* srcImage, int shade, int rm, int gm, int bm)	1443	shade_ximage (Visual *visual, XImage *ximage, int shade, const rgba &c)
1324	{	1444	{
1325	int sh_r, sh_g, sh_b;	1445	int sh_r, sh_g, sh_b;
1326	RUINT32T mask_r, mask_g, mask_b;	1446	uint32_t mask_r, mask_g, mask_b;
1327	RUINT32T *lookup, *lookup_r, *lookup_g, *lookup_b;	1447	uint32_t *lookup, *lookup_r, *lookup_g, *lookup_b;
1328	unsigned int lower_lim_r, lower_lim_g, lower_lim_b;	1448	rgba low;
1329	unsigned int upper_lim_r, upper_lim_g, upper_lim_b;	1449	rgba high;
1330	int i;	1450	int i;
		1451	int host_byte_order = byteorder::big_endian () ? MSBFirst : LSBFirst;
1331		1452
1332	Visual *visual = term->visual;
1333
1334	if (visual->c_class != TrueColor || srcImage->format != ZPixmap) return ;	1453	if (visual->c_class != TrueColor || ximage->format != ZPixmap) return;
1335
1336	if (shade == 0)
1337	shade = 100;
1338		1454
1339	/* for convenience */	1455	/* for convenience */
1340	mask_r = visual->red_mask;	1456	mask_r = visual->red_mask;
1341	mask_g = visual->green_mask;	1457	mask_g = visual->green_mask;
1342	mask_b = visual->blue_mask;	1458	mask_b = visual->blue_mask;
1343		1459
1344	/* boring lookup table pre-initialization */	1460	/* boring lookup table pre-initialization */
1345	switch (srcImage->bits_per_pixel) {	1461	switch (ximage->depth)
		1462	{
1346	case 15:	1463	case 15:
1347	if ((mask_r != 0x7c00) ||	1464	if ((mask_r != 0x7c00) ||
1348	(mask_g != 0x03e0) ||	1465	(mask_g != 0x03e0) ||
1349	(mask_b != 0x001f))	1466	(mask_b != 0x001f))
1350	return;	1467	return;
1351	lookup = (RUINT32T *) malloc (sizeof (RUINT32T)*(32+32+32));	1468	lookup = (uint32_t *) malloc (sizeof (uint32_t)*(32+32+32));
1352	lookup_r = lookup;	1469	lookup_r = lookup;
1353	lookup_g = lookup+32;	1470	lookup_g = lookup+32;
1354	lookup_b = lookup+32+32;	1471	lookup_b = lookup+32+32;
1355	sh_r = 10;	1472	sh_r = 10;
1356	sh_g = 5;	1473	sh_g = 5;
1357	sh_b = 0;	1474	sh_b = 0;
1358	break;	1475	break;
1359	case 16:	1476	case 16:
1360	if ((mask_r != 0xf800) ||	1477	if ((mask_r != 0xf800) ||
1361	(mask_g != 0x07e0) ||	1478	(mask_g != 0x07e0) ||
1362	(mask_b != 0x001f))	1479	(mask_b != 0x001f))
1363	return;	1480	return;
1364	lookup = (RUINT32T *) malloc (sizeof (RUINT32T)*(32+64+32));	1481	lookup = (uint32_t *) malloc (sizeof (uint32_t)*(32+64+32));
1365	lookup_r = lookup;	1482	lookup_r = lookup;
1366	lookup_g = lookup+32;	1483	lookup_g = lookup+32;
1367	lookup_b = lookup+32+64;	1484	lookup_b = lookup+32+64;
1368	sh_r = 11;	1485	sh_r = 11;
1369	sh_g = 5;	1486	sh_g = 5;
1370	sh_b = 0;	1487	sh_b = 0;
1371	break;	1488	break;
1372	case 24:	1489	case 24:
1373	if ((mask_r != 0xff0000) ||	1490	if ((mask_r != 0xff0000) ||
1374	(mask_g != 0x00ff00) ||	1491	(mask_g != 0x00ff00) ||
1375	(mask_b != 0x0000ff))	1492	(mask_b != 0x0000ff))
1376	return;	1493	return;
1377	lookup = (RUINT32T *) malloc (sizeof (RUINT32T)*(256+256+256));	1494	lookup = (uint32_t *) malloc (sizeof (uint32_t)*(256+256+256));
1378	lookup_r = lookup;	1495	lookup_r = lookup;
1379	lookup_g = lookup+256;	1496	lookup_g = lookup+256;
1380	lookup_b = lookup+256+256;	1497	lookup_b = lookup+256+256;
1381	sh_r = 16;	1498	sh_r = 16;
1382	sh_g = 8;	1499	sh_g = 8;
1383	sh_b = 0;	1500	sh_b = 0;
1384	break;	1501	break;
1385	case 32:	1502	case 32:
1386	if ((mask_r != 0xff0000) ||	1503	if ((mask_r != 0xff0000) ||
1387	(mask_g != 0x00ff00) ||	1504	(mask_g != 0x00ff00) ||
1388	(mask_b != 0x0000ff))	1505	(mask_b != 0x0000ff))
1389	return;	1506	return;
1390	lookup = (RUINT32T *) malloc (sizeof (RUINT32T)*(256+256+256));	1507	lookup = (uint32_t *) malloc (sizeof (uint32_t)*(256+256+256));
1391	lookup_r = lookup;	1508	lookup_r = lookup;
1392	lookup_g = lookup+256;	1509	lookup_g = lookup+256;
1393	lookup_b = lookup+256+256;	1510	lookup_b = lookup+256+256;
1394	sh_r = 16;	1511	sh_r = 16;
1395	sh_g = 8;	1512	sh_g = 8;
1396	sh_b = 0;	1513	sh_b = 0;
1397	break;	1514	break;
1398	default:	1515	default:
1399	return; /* we do not support this color depth */	1516	return; /* we do not support this color depth */
1400	}	1517	}
1401		1518
1402	/* prepare limits for color transformation (each channel is handled separately) */	1519	/* prepare limits for color transformation (each channel is handled separately) */
1403	if (shade < 0) {	1520	if (shade > 100)
		1521	{
1404	shade = -shade;	1522	shade = 200 - shade;
1405	if (shade < 0) shade = 0;
1406	if (shade > 100) shade = 100;
1407		1523
1408	lower_lim_r = 65535-rm;	1524	high.r = c.r * shade / 100;
1409	lower_lim_g = 65535-gm;	1525	high.g = c.g * shade / 100;
1410	lower_lim_b = 65535-bm;	1526	high.b = c.b * shade / 100;
1411		1527
1412	lower_lim_r = 65535-(unsigned int)(((RUINT32T)lower_lim_r)*((RUINT32T)shade)/100);	1528	low.r = 65535 * (100 - shade) / 100;
1413	lower_lim_g = 65535-(unsigned int)(((RUINT32T)lower_lim_g)*((RUINT32T)shade)/100);	1529	low.g = 65535 * (100 - shade) / 100;
1414	lower_lim_b = 65535-(unsigned int)(((RUINT32T)lower_lim_b)*((RUINT32T)shade)/100);	1530	low.b = 65535 * (100 - shade) / 100;
1415
1416	upper_lim_r = upper_lim_g = upper_lim_b = 65535;
1417	} else {
1418	if (shade < 0) shade = 0;
1419	if (shade > 100) shade = 100;
1420
1421	lower_lim_r = lower_lim_g = lower_lim_b = 0;
1422
1423	upper_lim_r = (unsigned int)((((RUINT32T)rm)*((RUINT32T)shade))/100);
1424	upper_lim_g = (unsigned int)((((RUINT32T)gm)*((RUINT32T)shade))/100);
1425	upper_lim_b = (unsigned int)((((RUINT32T)bm)*((RUINT32T)shade))/100);
1426	}	1531	}
1427		1532	else
1428	/* switch red and blue bytes if necessary, we need it for some weird XServers like XFree86 3.3.3.1 */
1429	if ((srcImage->bits_per_pixel == 24) && (mask_r >= 0xFF0000 ))
1430	{	1533	{
1431	unsigned int tmp;	1534	high.r = c.r * shade / 100;
		1535	high.g = c.g * shade / 100;
		1536	high.b = c.b * shade / 100;
1432		1537
1433	tmp = lower_lim_r;	1538	low.r = low.g = low.b = 0;
1434	lower_lim_r = lower_lim_b;
1435	lower_lim_b = tmp;
1436
1437	tmp = upper_lim_r;
1438	upper_lim_r = upper_lim_b;
1439	upper_lim_b = tmp;
1440	}	1539	}
1441		1540
1442	/* fill our lookup tables */	1541	/* fill our lookup tables */
1443	for (i = 0; i <= mask_r>>sh_r; i++)	1542	for (i = 0; i <= mask_r>>sh_r; i++)
1444	{	1543	{
1445	RUINT32T tmp;	1544	uint32_t tmp;
1446	tmp = ((RUINT32T)i)*((RUINT32T)(upper_lim_r-lower_lim_r));	1545	tmp = i * high.r;
1447	tmp += ((RUINT32T)(mask_r>>sh_r))*((RUINT32T)lower_lim_r);	1546	tmp += (mask_r>>sh_r) * low.r;
1448	lookup_r[i] = (tmp/65535)<<sh_r;	1547	lookup_r[i] = (tmp/65535)<<sh_r;
1449	}	1548	}
1450	for (i = 0; i <= mask_g>>sh_g; i++)	1549	for (i = 0; i <= mask_g>>sh_g; i++)
1451	{	1550	{
1452	RUINT32T tmp;	1551	uint32_t tmp;
1453	tmp = ((RUINT32T)i)*((RUINT32T)(upper_lim_g-lower_lim_g));	1552	tmp = i * high.g;
1454	tmp += ((RUINT32T)(mask_g>>sh_g))*((RUINT32T)lower_lim_g);	1553	tmp += (mask_g>>sh_g) * low.g;
1455	lookup_g[i] = (tmp/65535)<<sh_g;	1554	lookup_g[i] = (tmp/65535)<<sh_g;
1456	}	1555	}
1457	for (i = 0; i <= mask_b>>sh_b; i++)	1556	for (i = 0; i <= mask_b>>sh_b; i++)
1458	{	1557	{
1459	RUINT32T tmp;	1558	uint32_t tmp;
1460	tmp = ((RUINT32T)i)*((RUINT32T)(upper_lim_b-lower_lim_b));	1559	tmp = i * high.b;
1461	tmp += ((RUINT32T)(mask_b>>sh_b))*((RUINT32T)lower_lim_b);	1560	tmp += (mask_b>>sh_b) * low.b;
1462	lookup_b[i] = (tmp/65535)<<sh_b;	1561	lookup_b[i] = (tmp/65535)<<sh_b;
1463	}	1562	}
1464		1563
1465	/* apply table to input image (replacing colors by newly calculated ones) */	1564	/* apply table to input image (replacing colors by newly calculated ones) */
1466	switch (srcImage->bits_per_pixel)	1565	if (ximage->bits_per_pixel == 32
		1566	&& (ximage->depth == 24 || ximage->depth == 32)
		1567	&& ximage->byte_order == host_byte_order)
1467	{	1568	{
1468	case 15:
1469	{
1470	unsigned short *p1, *pf, *p, *pl;	1569	uint32_t *p1, *pf, *p, *pl;
1471	p1 = (unsigned short *) srcImage->data;	1570	p1 = (uint32_t *) ximage->data;
1472	pf = (unsigned short *) (srcImage->data + srcImage->height * srcImage->bytes_per_line);	1571	pf = (uint32_t *) (ximage->data + ximage->height * ximage->bytes_per_line);
		1572
1473	while (p1 < pf)	1573	while (p1 < pf)
1474	{	1574	{
1475	p = p1;	1575	p = p1;
1476	pl = p1 + srcImage->width;	1576	pl = p1 + ximage->width;
1477	for (; p < pl; p++)	1577	for (; p < pl; p++)
1478	{	1578	{
1479	*p = lookup_r[(*p & 0x7c00)>>10] |
1480	lookup_g[(*p & 0x03e0)>> 5] |
1481	lookup_b[(*p & 0x001f)];
1482	}
1483	p1 = (unsigned short *) ((char *) p1 + srcImage->bytes_per_line);
1484	}
1485	break;
1486	}
1487	case 16:
1488	{
1489	unsigned short *p1, *pf, *p, *pl;
1490	p1 = (unsigned short *) srcImage->data;
1491	pf = (unsigned short *) (srcImage->data + srcImage->height * srcImage->bytes_per_line);
1492	while (p1 < pf)
1493	{
1494	p = p1;
1495	pl = p1 + srcImage->width;
1496	for (; p < pl; p++)
1497	{
1498	*p = lookup_r[(*p & 0xf800)>>11] |
1499	lookup_g[(*p & 0x07e0)>> 5] |
1500	lookup_b[(*p & 0x001f)];
1501	}
1502	p1 = (unsigned short *) ((char *) p1 + srcImage->bytes_per_line);
1503	}
1504	break;
1505	}
1506	case 24:
1507	{
1508	unsigned char *p1, *pf, *p, *pl;
1509	p1 = (unsigned char *) srcImage->data;
1510	pf = (unsigned char *) (srcImage->data + srcImage->height * srcImage->bytes_per_line);
1511	while (p1 < pf)
1512	{
1513	p = p1;
1514	pl = p1 + srcImage->width * 3;
1515	for (; p < pl; p += 3)
1516	{
1517	p[0] = lookup_r[(p[0] & 0xff0000)>>16];
1518	p[1] = lookup_r[(p[1] & 0x00ff00)>> 8];
1519	p[2] = lookup_r[(p[2] & 0x0000ff)];
1520	}
1521	p1 = (unsigned char *) ((char *) p1 + srcImage->bytes_per_line);
1522	}
1523	break;
1524	}
1525	case 32:
1526	{
1527	RUINT32T *p1, *pf, *p, *pl;
1528	p1 = (RUINT32T *) srcImage->data;
1529	pf = (RUINT32T *) (srcImage->data + srcImage->height * srcImage->bytes_per_line);
1530
1531	while (p1 < pf)
1532	{
1533	p = p1;
1534	pl = p1 + srcImage->width;
1535	for (; p < pl; p++)
1536	{
1537	*p = lookup_r[(*p & 0xff0000)>>16] |	1579	*p = lookup_r[(*p & 0xff0000) >> 16] |
1538	lookup_g[(*p & 0x00ff00)>> 8] |	1580	lookup_g[(*p & 0x00ff00) >> 8] |
1539	lookup_b[(*p & 0x0000ff)] |	1581	lookup_b[(*p & 0x0000ff)] |
1540	(*p & ~0xffffff);	1582	(*p & 0xff000000);
		1583	}
		1584	p1 = (uint32_t *) ((char *) p1 + ximage->bytes_per_line);
		1585	}
		1586	}
		1587	else
		1588	{
		1589	for (int y = 0; y < ximage->height; y++)
		1590	for (int x = 0; x < ximage->width; x++)
		1591	{
		1592	unsigned long pixel = XGetPixel (ximage, x, y);
		1593	pixel = lookup_r[(pixel & mask_r) >> sh_r] |
		1594	lookup_g[(pixel & mask_g) >> sh_g] |
		1595	lookup_b[(pixel & mask_b) >> sh_b];
		1596	XPutPixel (ximage, x, y, pixel);
1541	}	1597	}
1542	p1 = (RUINT32T *) ((char *) p1 + srcImage->bytes_per_line);
1543	}	1598	}
1544	break;
1545	}
1546	}
1547		1599
1548	free (lookup);	1600	free (lookup);
1549	}	1601	}
1550	#endif /* defined(ENABLE_TRANSPARENCY) && !defined(HAVE_AFTERIMAGE) */	1602	#endif /* defined(ENABLE_TRANSPARENCY) && !defined(HAVE_AFTERIMAGE) */

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