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Comparing rxvt-unicode/src/background.C (file contents):
Revision 1.33 by root, Tue Nov 4 14:43:15 2008 UTC vs.
Revision 1.160 by sf-exg, Thu Aug 11 08:37:17 2011 UTC

1	/*----------------------------------------------------------------------*	1	/*----------------------------------------------------------------------*
2	* File: background.C - former xpm.C	2	* File: background.C - former xpm.C
3	*----------------------------------------------------------------------*	3	*----------------------------------------------------------------------*
4	*	4	*
5	* All portions of code are copyright by their respective author/s.	5	* All portions of code are copyright by their respective author/s.
6	* Copyright (c) 2005-2008 Marc Lehmann <pcg@goof.com>	6	* Copyright (c) 2005-2008 Marc Lehmann <schmorp@schmorp.de>
7	* Copyright (c) 2007 Sasha Vasko <sasha@aftercode.net>	7	* Copyright (c) 2007 Sasha Vasko <sasha@aftercode.net>
		8	* Copyright (c) 2010 Emanuele Giaquinta <e.giaquinta@glauco.it>
8	*	9	*
9	* This program is free software; you can redistribute it and/or modify	10	* This program is free software; you can redistribute it and/or modify
10	* it under the terms of the GNU General Public License as published by	11	* it under the terms of the GNU General Public License as published by
11	* the Free Software Foundation; either version 2 of the License, or	12	* the Free Software Foundation; either version 2 of the License, or
12	* (at your option) any later version.	13	* (at your option) any later version.
…		…
19	* You should have received a copy of the GNU General Public License	20	* You should have received a copy of the GNU General Public License
20	* along with this program; if not, write to the Free Software	21	* along with this program; if not, write to the Free Software
21	* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.	22	* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
22	*---------------------------------------------------------------------*/	23	*---------------------------------------------------------------------*/
23		24
		25	#include <cmath>
24	#include "../config.h" /* NECESSARY */	26	#include "../config.h" /* NECESSARY */
25	#include "rxvt.h" /* NECESSARY */	27	#include "rxvt.h" /* NECESSARY */
26		28
27	#define DO_TIMING_TEST 0	29	#if XRENDER
		30	# include <X11/extensions/Xrender.h>
		31	#endif
28		32
29	#if DO_TIMING_TEST	33	#ifndef FilterConvolution
30	# include <sys/time.h>	34	#define FilterConvolution "convolution"
31	#define TIMING_TEST_START(id) \
32	struct timeval timing_test_##id##_stv;\
33	gettimeofday (&timing_test_##id##_stv, NULL);
34
35	#define TIMING_TEST_PRINT_RESULT(id) \
36	do{ 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
78	* the tile size and origin.
79	* propscale When scaling, scale proportionally. That is, maintain the
80	* proper aspect ratio for the image. Any portion of the
81	* background not covered by the image is filled with the
82	* current background color.
83	* hscale Scale horizontally, tile vertically ?
84	* vscale Tile horizontally, scale vertically ?
85	* scale Scale both up and down
86	* auto Same as 100x100+50+50
87	*/	51	*/
88		52
89	#ifdef HAVE_BG_PIXMAP	53	#ifdef HAVE_BG_PIXMAP
90	bgPixmap_t::bgPixmap_t ()
91	{
92	// this is basically redundant as bgPixmap_t is only used in
93	// zero_initialised-derived structs
94	#ifdef HAVE_AFTERIMAGE
95	original_asim = NULL;
96	#endif
97	#ifdef BG_IMAGE_FROM_FILE
98	h_scale = v_scale = 0;
99	h_align = v_align = 0;
100	#endif
101	flags = 0;
102	pixmap = None;
103	valid_since = invalid_since = 0;
104	target = 0;
105	}
106
107	void	54	void
108	bgPixmap_t::destroy ()	55	rxvt_term::bg_destroy ()
109	{	56	{
110	#ifdef HAVE_AFTERIMAGE	57	#ifdef HAVE_AFTERIMAGE
111	if (original_asim)	58	if (original_asim)
112	safe_asimage_destroy (original_asim);	59	safe_asimage_destroy (original_asim);
		60	if (asv)
		61	destroy_asvisual (asv, 0);
		62	if (asimman)
		63	destroy_image_manager (asimman, 0);
113	#endif	64	#endif
114		65
115	if (pixmap && target)	66	#ifdef HAVE_PIXBUF
		67	if (pixbuf)
		68	g_object_unref (pixbuf);
		69	#endif
		70
		71	if (bg_pixmap)
116	XFreePixmap (target->dpy, pixmap);	72	XFreePixmap (dpy, bg_pixmap);
117	}	73	}
118		74
119	bool	75	bool
120	bgPixmap_t::window_size_sensitive ()	76	rxvt_term::bg_set_position (int x, int y)
		77	{
		78
		79	if (target_x != x
		80	|| target_y != y)
		81	{
		82	target_x = x;
		83	target_y = y;
		84	return true;
		85	}
		86	return false;
		87	}
		88
		89	bool
		90	rxvt_term::bg_window_size_sensitive ()
121	{	91	{
122	# ifdef ENABLE_TRANSPARENCY	92	# ifdef ENABLE_TRANSPARENCY
123	if (flags & isTransparent)	93	if (bg_flags & BG_IS_TRANSPARENT)
124	return true;	94	return true;
125	# endif	95	# endif
126		96
127	# ifdef BG_IMAGE_FROM_FILE	97	# ifdef BG_IMAGE_FROM_FILE
128	# ifdef HAVE_AFTERIMAGE	98	if (bg_flags & BG_IS_FROM_FILE)
129	if (original_asim)
130	# endif
131	{	99	{
132	if (h_scale != 0 || v_scale != 0	100	if (bg_flags & BG_IS_SIZE_SENSITIVE)
133	|| h_align != 0 || v_align != 0)
134	return true;	101	return true;
135	}	102	}
136	# endif	103	# endif
137		104
138	return false;	105	return false;
139	}	106	}
140		107
141	bool	108	bool
142	bgPixmap_t::window_position_sensitive ()	109	rxvt_term::bg_window_position_sensitive ()
143	{	110	{
144	# ifdef ENABLE_TRANSPARENCY	111	# ifdef ENABLE_TRANSPARENCY
145	if (flags & isTransparent)	112	if (bg_flags & BG_IS_TRANSPARENT)
146	return true;	113	return true;
147	# endif	114	# endif
148		115
149	# ifdef BG_IMAGE_FROM_FILE	116	# ifdef BG_IMAGE_FROM_FILE
150	# ifdef HAVE_AFTERIMAGE	117	if (bg_flags & BG_IS_FROM_FILE)
151	if (original_asim)
152	# endif
153	{	118	{
154	if (h_align == rootAlign || v_align == rootAlign)	119	if (bg_flags & BG_ROOT_ALIGN)
155	return true;	120	return true;
156	}	121	}
157	# endif	122	# endif
158		123
159	return false;
160	};
161
162	bool bgPixmap_t::need_client_side_rendering ()
163	{
164	# ifdef HAVE_AFTERIMAGE
165	if (original_asim)
166	return true;
167	# endif
168	# ifdef ENABLE_TRANSPARENCY
169	if (flags & isTransparent)
170	{
171	# ifdef HAVE_AFTERIMAGE // can't blur without libAI anyways
172	if ((flags & blurNeeded) && !(flags & blurServerSide))
173	return true;
174	# endif
175	if ((flags & tintNeeded) && !(flags & tintServerSide))
176	return true;
177	}
178	# endif
179	return false;	124	return false;
180	}	125	}
181		126
182	# ifdef BG_IMAGE_FROM_FILE	127	# ifdef BG_IMAGE_FROM_FILE
183	static inline bool	128	static inline bool
…		…
199	static inline bool	144	static inline bool
200	check_set_align_value (int geom_flags, int flag, int &align, int new_value)	145	check_set_align_value (int geom_flags, int flag, int &align, int new_value)
201	{	146	{
202	if (geom_flags & flag)	147	if (geom_flags & flag)
203	{	148	{
204	if (new_value != bgPixmap_t::rootAlign)
205	{
206	if (new_value < -100)	149	if (new_value < -100)
207	new_value = -100;	150	new_value = -100;
208	else if (new_value > 200)	151	else if (new_value > 200)
209	new_value = 200;	152	new_value = 200;
210	}
211	if (new_value != align)	153	if (new_value != align)
212	{	154	{
213	align = new_value;	155	align = new_value;
214	return true;	156	return true;
215	}	157	}
…		…
219		161
220	static inline int	162	static inline int
221	make_align_position (int align, int window_size, int image_size)	163	make_align_position (int align, int window_size, int image_size)
222	{	164	{
223	int diff = window_size - image_size;	165	int diff = window_size - image_size;
224	int smaller = MIN (image_size,window_size);	166	int smaller = min (image_size, window_size);
225		167
226	if (align >= 0 && align <= 50)	168	if (align >= 0 && align <= 100)
227	return diff * align / 100;	169	return diff * align / 100;
228	else if (align > 50 && align <= 100)
229	return window_size - image_size - diff * (100 - align) / 100;
230	else if (align > 100 && align <= 200 )	170	else if (align > 100 && align <= 200)
231	return ((align - 100) * smaller / 100) + window_size - smaller;	171	return ((align - 100) * smaller / 100) + window_size - smaller;
232	else if (align > -100 && align < 0)	172	else if (align >= -100 && align < 0)
233	return ((align + 100) * smaller / 100) - image_size;	173	return ((align + 100) * smaller / 100) - image_size;
234	return 0;	174	return 0;
235	}	175	}
236		176
237	static inline int	177	static inline int
238	make_clip_rectangle (int pos, int size, int target_size, int &dst_pos, int &dst_size)	178	make_clip_rectangle (int pos, int size, int target_size, int &dst_pos, int &dst_size)
239	{	179	{
240	int src_pos = 0;	180	int src_pos = 0;
241	dst_pos = 0;	181	dst_pos = pos;
242	dst_size = size;	182	dst_size = size;
243	if (pos < 0 && size > target_size)	183	if (pos < 0)
244	{	184	{
245	src_pos = -pos;	185	src_pos = -pos;
		186	dst_pos = 0;
246	dst_size += pos;	187	dst_size += pos;
247	}	188	}
248	else if (pos > 0)
249	dst_pos = pos;
250		189
251	if (dst_pos + dst_size > target_size)	190	if (dst_pos + dst_size > target_size)
252	dst_size = target_size - dst_pos;	191	dst_size = target_size - dst_pos;
253	return src_pos;	192	return src_pos;
254	}	193	}
255		194
256	bool	195	bool
257	bgPixmap_t::set_geometry (const char *geom)	196	rxvt_term::bg_set_geometry (const char *geom, bool update)
258	{	197	{
		198	bool changed = false;
259	int geom_flags = 0, changed = 0;	199	int geom_flags = 0;
260	int x = 0, y = 0;	200	int x = 0, y = 0;
261	unsigned int w = 0, h = 0;	201	unsigned int w = 0, h = 0;
262	unsigned int n;	202	unsigned int n;
263	unsigned long new_flags = (flags & (~geometryFlags));	203	unsigned long new_flags = (bg_flags & (~BG_GEOMETRY_FLAGS));
264	char *p;	204	const char *ops;
265	# define MAXLEN_GEOM 256 /* could be longer than regular geometry string */
266		205
267	if (geom == NULL)	206	if (geom == NULL)
268	return false;	207	return false;
269		208
270	char str[MAXLEN_GEOM];	209	char str[256];
271		210
272	while (isspace(*geom)) ++geom;
273	if ((p = strchr (geom, ';')) == NULL)
274	p = strchr (geom, '\0');	211	ops = strchr (geom, ':');
275		212	if (ops == NULL)
		213	n = strlen (geom);
		214	else
276	n = (p - geom);	215	n = ops - geom;
277	if (n < MAXLEN_GEOM)
278	{
279	char *ops;
280	new_flags |= geometrySet;
281		216
		217	if (n >= sizeof (str))
		218	return false;
		219
282	memcpy (str, geom, n);	220	memcpy (str, geom, n);
283	str[n] = '\0';	221	str[n] = '\0';
284	if (str[0] == ':')	222	rxvt_strtrim (str);
285	ops = &str[0];
286	else if (str[0] != 'x' && str[0] != 'X' && isalpha(str[0]))
287	ops = &str[0];
288	else
289	{
290	char *tmp;
291	ops = strchr (str, ':');
292	if (ops != NULL)
293	{
294	for (tmp = ops-1; tmp >= str && isspace(*tmp); --tmp);
295	*(++tmp) = '\0';
296	if (ops == tmp) ++ops;
297	}
298	}
299		223
300	if (ops > str || ops == NULL)	224	if (str[0])
301	{	225	{
302	/* we have geometry string - let's handle it prior to applying ops */	226	/* we have geometry string - let's handle it prior to applying ops */
303	geom_flags = XParseGeometry (str, &x, &y, &w, &h);	227	geom_flags = XParseGeometry (str, &x, &y, &w, &h);
304
305	if ((geom_flags & XValue) && !(geom_flags & YValue))
306	{
307	y = x;
308	geom_flags |= YValue;
309	}
310
311	if (flags & geometrySet)
312	{
313	/* new geometry is an adjustment to the old one ! */
314	if ((geom_flags & WidthValue) && (geom_flags & HeightValue))
315	{
316	if (w == 0 && h != 0)
317	{
318	w = h_scale;
319	h = (v_scale * h) / 100;
320	}
321	else if (h == 0 && w != 0)
322	{
323	w = (h_scale * w) / 100;
324	h = v_scale;
325	}
326	}
327	if (geom_flags & XValue)
328	{
329	if (str[0] != '=')
330	{
331	y += v_align;
332	x += h_align;
333	}
334	}
335	}
336	else /* setting up geometry from scratch */
337	{
338	if (!(geom_flags & XValue))
339	{
340	/* use default geometry - centered */
341	x = y = defaultAlign;
342	}
343	else if (!(geom_flags & YValue))
344	y = x;
345
346	if ((geom_flags & (WidthValue|HeightValue)) == 0)
347	{
348	/* use default geometry - scaled */
349	w = h = defaultScale;
350	}
351	else if (geom_flags & WidthValue)
352	{
353	if (!(geom_flags & HeightValue))
354	h = w;
355	}
356	else
357	w = h;
358	}
359	} /* done parsing geometry string */	228	} /* done parsing geometry string */
360	else if (!(flags & geometrySet))	229
361	{	230	if (!update)
362	/* default geometry - scaled and centered */	231	{
		232	if (!(geom_flags & XValue))
363	x = y = defaultAlign;	233	x = y = defaultAlign;
		234	else if (!(geom_flags & YValue))
		235	y = x;
		236
		237	if (!(geom_flags & (WidthValue|HeightValue)))
364	w = h = defaultScale;	238	w = h = defaultScale;
365	}	239	else if (!(geom_flags & HeightValue))
		240	h = w;
		241	else if (!(geom_flags & WidthValue))
		242	w = h;
366		243
367	if (!(flags & geometrySet))
368	geom_flags |= WidthValue|HeightValue|XValue|YValue;	244	geom_flags |= WidthValue|HeightValue|XValue|YValue;
		245	}
369		246
370	if (ops)	247	if (ops)
371	{	248	{
372	while (*ops)	249	char **arr = rxvt_strsplit (':', ops + 1);
		250
		251	for (int i = 0; arr[i]; i++)
373	{	252	{
374	while (*ops == ':' || isspace(*ops)) ++ops;	253	if (!strcasecmp (arr[i], "style=tiled"))
375
376	# define CHECK_GEOM_OPS(op_str) (strncasecmp (ops, (op_str), sizeof (op_str) - 1) == 0)
377	if (CHECK_GEOM_OPS ("tile"))
378	{	254	{
		255	new_flags = BG_TILE;
379	w = h = noScale;	256	w = h = noScale;
380	geom_flags |= WidthValue|HeightValue;	257	x = y = 0;
381	}
382	else if (CHECK_GEOM_OPS ("propscale"))
383	{
384	if (w == 0 && h == 0)
385	{
386	w = windowScale;
387	geom_flags |= WidthValue;
388	}
389	new_flags |= propScale;
390	}
391	else if (CHECK_GEOM_OPS ("hscale"))
392	{
393	if (w == 0) w = windowScale;
394
395	h = noScale;
396	geom_flags |= WidthValue|HeightValue;
397	}
398	else if (CHECK_GEOM_OPS ("vscale"))
399	{
400	if (h == 0) h = windowScale;
401
402	w = noScale;
403	geom_flags |= WidthValue|HeightValue;
404	}
405	else if (CHECK_GEOM_OPS ("scale"))
406	{
407	if (h == 0) h = windowScale;
408	if (w == 0) w = windowScale;
409
410	geom_flags |= WidthValue|HeightValue;
411	}
412	else if (CHECK_GEOM_OPS ("auto"))
413	{
414	w = h = windowScale;
415	x = y = centerAlign;
416	geom_flags |= WidthValue|HeightValue|XValue|YValue;	258	geom_flags = WidthValue|HeightValue|XValue|YValue;
417	}	259	}
418	else if (CHECK_GEOM_OPS ("root"))	260	else if (!strcasecmp (arr[i], "style=aspect-stretched"))
419	{	261	{
		262	new_flags = BG_PROP_SCALE;
		263	x = y = centerAlign;
		264	geom_flags = XValue|YValue;
		265	}
		266	else if (!strcasecmp (arr[i], "style=stretched"))
		267	{
		268	new_flags = 0;
		269	w = h = windowScale;
		270	geom_flags = WidthValue|HeightValue;
		271	}
		272	else if (!strcasecmp (arr[i], "style=centered"))
		273	{
		274	new_flags = 0;
420	w = h = noScale;	275	w = h = noScale;
421	x = y = rootAlign;	276	x = y = centerAlign;
422	geom_flags |= WidthValue|HeightValue|XValue|YValue;	277	geom_flags = WidthValue|HeightValue|XValue|YValue;
423	}	278	}
424	# undef CHECK_GEOM_OPS	279	else if (!strcasecmp (arr[i], "style=root-tiled"))
		280	{
		281	new_flags = BG_TILE|BG_ROOT_ALIGN;
		282	w = h = noScale;
		283	geom_flags = WidthValue|HeightValue;
		284	}
		285	else if (!strcasecmp (arr[i], "op=tile"))
		286	new_flags |= BG_TILE;
		287	else if (!strcasecmp (arr[i], "op=pscale"))
		288	new_flags |= BG_PROP_SCALE;
		289	else if (!strcasecmp (arr[i], "op=root"))
		290	new_flags |= BG_ROOT_ALIGN;
425		291
426	while (*ops != ':' && *ops != '\0') ++ops;	292	// deprecated
		293	else if (!strcasecmp (arr[i], "tile"))
		294	{
		295	new_flags |= BG_TILE;
		296	w = h = noScale;
		297	geom_flags |= WidthValue|HeightValue;
		298	}
		299	else if (!strcasecmp (arr[i], "propscale"))
		300	{
		301	new_flags |= BG_PROP_SCALE;
		302	}
		303	else if (!strcasecmp (arr[i], "scale"))
		304	{
		305	if (h == 0) h = windowScale;
		306	if (w == 0) w = windowScale;
		307
		308	geom_flags |= WidthValue|HeightValue;
		309	}
		310	else if (!strcasecmp (arr[i], "root"))
		311	{
		312	new_flags |= BG_TILE|BG_ROOT_ALIGN;
		313	w = h = noScale;
		314	geom_flags |= WidthValue|HeightValue;
		315	}
427	} /* done parsing ops */	316	} /* done parsing ops */
428	}
429		317
		318	rxvt_free_strsplit (arr);
		319	}
		320
430	if (check_set_scale_value (geom_flags, WidthValue, h_scale, w)) ++changed;	321	if (check_set_scale_value (geom_flags, WidthValue, h_scale, w)) changed = true;
431	if (check_set_scale_value (geom_flags, HeightValue, v_scale, h)) ++changed;	322	if (check_set_scale_value (geom_flags, HeightValue, v_scale, h)) changed = true;
432	if (check_set_align_value (geom_flags, XValue, h_align, x)) ++changed;	323	if (check_set_align_value (geom_flags, XValue, h_align, x)) changed = true;
433	if (check_set_align_value (geom_flags, YValue, v_align, y)) ++changed;	324	if (check_set_align_value (geom_flags, YValue, v_align, y)) changed = true;
434	}
435		325
436	if (new_flags != flags)	326	if (new_flags != bg_flags)
437	{	327	{
438	flags = new_flags;	328	bg_flags = new_flags;
439	changed++;	329	changed = true;
440	}	330	}
441		331
442	//fprintf (stderr, "flags = %lX, scale = %ux%u, align=%+d%+d\n",
443	// flags, h_scale, v_scale, h_align, v_align);
444	return (changed > 0);	332	return changed;
		333	}
		334
		335	void
		336	rxvt_term::get_image_geometry (int image_width, int image_height, int &w, int &h, int &x, int &y)
		337	{
		338	int target_width = szHint.width;
		339	int target_height = szHint.height;
		340
		341	if (bg_flags & BG_PROP_SCALE)
		342	{
		343	float scale = (float)target_width / image_width;
		344	min_it (scale, (float)target_height / image_height);
		345	w = image_width * scale + 0.5;
		346	h = image_height * scale + 0.5;
		347	}
		348	else
		349	{
		350	w = h_scale * target_width / 100;
		351	h = v_scale * target_height / 100;
		352	}
		353
		354	if (!w) w = image_width;
		355	if (!h) h = image_height;
		356
		357	if (bg_flags & BG_ROOT_ALIGN)
		358	{
		359	x = -target_x;
		360	y = -target_y;
		361	}
		362	else
		363	{
		364	x = make_align_position (h_align, target_width, w);
		365	y = make_align_position (v_align, target_height, h);
		366	}
		367
		368	bg_flags &= ~BG_IS_SIZE_SENSITIVE;
		369	if (!(bg_flags & BG_TILE)
		370	|| (bg_flags & BG_PROP_SCALE) || h_scale || v_scale
		371	|| (!(bg_flags & BG_ROOT_ALIGN) && (h_align || v_align))
		372	|| w > target_width || h > target_height)
		373	bg_flags |= BG_IS_SIZE_SENSITIVE;
445	}	374	}
446		375
447	# ifdef HAVE_AFTERIMAGE	376	# ifdef HAVE_AFTERIMAGE
448	bool	377	bool
449	bgPixmap_t::render_asim (ASImage *background, ARGB32 background_tint)	378	rxvt_term::render_image (unsigned long tr_flags)
450	{	379	{
451	if (target == NULL)
452	return false;
453
454	target->init_asv ();	380	init_asv ();
		381
		382	ASImage *background = NULL;
		383	ARGB32 background_tint = TINT_LEAVE_SAME;
		384
		385	# ifdef ENABLE_TRANSPARENCY
		386	if (tr_flags)
		387	background = pixmap2ximage (asv, bg_pixmap, 0, 0, bg_pmap_width, bg_pmap_height, AllPlanes, 100);
		388
		389	if (tr_flags & BG_NEEDS_TINT)
		390	{
		391	ShadingInfo as_shade;
		392	as_shade.shading = shade;
		393
		394	rgba c (rgba::MAX_CC,rgba::MAX_CC,rgba::MAX_CC);
		395	if (bg_flags & BG_TINT_SET)
		396	tint.get (c);
		397	as_shade.tintColor.red = c.r;
		398	as_shade.tintColor.green = c.g;
		399	as_shade.tintColor.blue = c.b;
		400
		401	background_tint = shading2tint32 (&as_shade);
		402	}
		403
		404	if ((tr_flags & BG_NEEDS_BLUR) && background != NULL)
		405	{
		406	ASImage *tmp = blur_asimage_gauss (asv, background, h_blurRadius, v_blurRadius, 0xFFFFFFFF,
		407	(original_asim == NULL || tint == TINT_LEAVE_SAME) ? ASA_XImage : ASA_ASImage,
		408	100, ASIMAGE_QUALITY_DEFAULT);
		409	if (tmp)
		410	{
		411	destroy_asimage (&background);
		412	background = tmp;
		413	}
		414	}
		415	# endif
455		416
456	ASImage *result = 0;	417	ASImage *result = 0;
457		418
458	int target_width = target->szHint.width;	419	int target_width = szHint.width;
459	int target_height = target->szHint.height;	420	int target_height = szHint.height;
460	int new_pmap_width = target_width;	421	int new_pmap_width = target_width;
461	int new_pmap_height = target_height;	422	int new_pmap_height = target_height;
462		423
463	int x = 0;	424	int x = 0;
464	int y = 0;	425	int y = 0;
465	int w = h_scale * target_width / 100;	426	int w = 0;
466	int h = v_scale * target_height / 100;	427	int h = 0;
467
468	TIMING_TEST_START (asim);
469		428
470	if (original_asim)	429	if (original_asim)
471	{	430	get_image_geometry (original_asim->width, original_asim->height, w, h, x, y);
472	if (h_align == rootAlign || v_align == rootAlign)
473	{
474	target->get_window_origin(x, y);
475	x = -x;
476	y = -y;
477	}
478
479	if (h_align != rootAlign)
480	x = make_align_position (h_align, target_width, w > 0 ? w : (int)original_asim->width);
481
482	if (v_align != rootAlign)
483	y = make_align_position (v_align, target_height, h > 0 ? h : (int)original_asim->height);
484	}
485		431
486	if (!original_asim	432	if (!original_asim
		433	|| (!(bg_flags & BG_ROOT_ALIGN)
487	|| x >= target_width	434	&& (x >= target_width
488	|| y >= target_height	435	|| y >= target_height
489	|| (w > 0 && x + w <= 0)	436	|| (x + w <= 0)
490	|| (h > 0 && y + h <= 0))	437	|| (y + h <= 0))))
491	{	438	{
492	if (background)	439	if (background)
493	{	440	{
494	new_pmap_width = background->width;	441	new_pmap_width = background->width;
495	new_pmap_height = background->height;	442	new_pmap_height = background->height;
496	result = background;	443	result = background;
497		444
498	if (background_tint != TINT_LEAVE_SAME)	445	if (background_tint != TINT_LEAVE_SAME)
499	{	446	{
500	ASImage* tmp = tile_asimage (target->asv, background, 0, 0,	447	ASImage *tmp = tile_asimage (asv, background, 0, 0,
501	target_width, target_height, background_tint,	448	target_width, target_height, background_tint,
502	ASA_XImage, 100, ASIMAGE_QUALITY_DEFAULT);	449	ASA_XImage, 100, ASIMAGE_QUALITY_DEFAULT);
503	if (tmp)	450	if (tmp)
504	result = tmp;	451	result = tmp;
505	}	452	}
…		…
509	}	456	}
510	else	457	else
511	{	458	{
512	result = original_asim;	459	result = original_asim;
513		460
514	if ((w > 0 && w != original_asim->width)	461	if ((w != original_asim->width)
515	|| (h > 0 && h != original_asim->height))	462	|| (h != original_asim->height))
516	{	463	{
517	result = scale_asimage (target->asv, original_asim,	464	result = scale_asimage (asv, original_asim,
518	w > 0 ? w : original_asim->width,	465	w, h,
519	h > 0 ? h : original_asim->height,
520	background ? ASA_ASImage : ASA_XImage,	466	background ? ASA_ASImage : ASA_XImage,
521	100, ASIMAGE_QUALITY_DEFAULT);	467	100, ASIMAGE_QUALITY_DEFAULT);
522	}	468	}
523		469
524	if (background == NULL)	470	if (background == NULL)
525	{	471	{
		472	if (bg_flags & BG_TILE)
		473	{
526	/* if tiling - pixmap has to be sized exactly as the image,	474	/* if tiling - pixmap has to be sized exactly as the image,
527	but there is no need to make it bigger than the window! */	475	but there is no need to make it bigger than the window! */
528	if (h_scale == 0)
529	new_pmap_width = min (result->width, target_width);	476	new_pmap_width = min (result->width, target_width);
530	if (v_scale == 0)
531	new_pmap_height = min (result->height, target_height);	477	new_pmap_height = min (result->height, target_height);
		478
532	/* we also need to tile our image in one or both directions */	479	/* we also need to tile our image in both directions */
533	if (h_scale == 0 || v_scale == 0)
534	{
535	ASImage *tmp = tile_asimage (target->asv, result,	480	ASImage *tmp = tile_asimage (asv, result,
536	(h_scale > 0) ? 0 : (int)result->width - x,	481	(int)result->width - x,
537	(v_scale > 0) ? 0 : (int)result->height - y,	482	(int)result->height - y,
538	new_pmap_width,	483	new_pmap_width,
539	new_pmap_height,	484	new_pmap_height,
540	TINT_LEAVE_SAME, ASA_XImage,	485	TINT_LEAVE_SAME, ASA_XImage,
541	100, ASIMAGE_QUALITY_DEFAULT);	486	100, ASIMAGE_QUALITY_DEFAULT);
542	if (tmp)	487	if (tmp)
543	{	488	{
…		…
550	}	495	}
551	else	496	else
552	{	497	{
553	/* if blending background and image - pixmap has to be sized same as target window */	498	/* if blending background and image - pixmap has to be sized same as target window */
554	ASImageLayer *layers = create_image_layers (2);	499	ASImageLayer *layers = create_image_layers (2);
555	ASImage *merged_im = NULL;
556		500
557	layers[0].im = background;	501	layers[0].im = background;
558	layers[0].clip_width = target_width;	502	layers[0].clip_width = target_width;
559	layers[0].clip_height = target_height;	503	layers[0].clip_height = target_height;
560	layers[0].tint = background_tint;	504	layers[0].tint = background_tint;
561	layers[1].im = result;	505	layers[1].im = result;
562		506
563	if (w <= 0)	507	if (bg_flags & BG_TILE)
564	{	508	{
565	/* tile horizontally */	509	/* tile horizontally */
566	while (x > 0) x -= (int)result->width;	510	while (x > 0) x -= (int)result->width;
567	layers[1].dst_x = x;	511	layers[1].dst_x = x;
568	layers[1].clip_width = result->width+target_width;	512	layers[1].clip_width = result->width+target_width;
…		…
572	/* clip horizontally */	516	/* clip horizontally */
573	layers[1].dst_x = x;	517	layers[1].dst_x = x;
574	layers[1].clip_width = result->width;	518	layers[1].clip_width = result->width;
575	}	519	}
576		520
577	if (h <= 0)	521	if (bg_flags & BG_TILE)
578	{	522	{
579	while (y > 0) y -= (int)result->height;	523	while (y > 0) y -= (int)result->height;
580	layers[1].dst_y = y;	524	layers[1].dst_y = y;
581	layers[1].clip_height = result->height + target_height;	525	layers[1].clip_height = result->height + target_height;
582	}	526	}
…		…
584	{	528	{
585	layers[1].dst_y = y;	529	layers[1].dst_y = y;
586	layers[1].clip_height = result->height;	530	layers[1].clip_height = result->height;
587	}	531	}
588		532
589	if (target->rs[Rs_blendtype])	533	if (rs[Rs_blendtype])
590	{	534	{
591	layers[1].merge_scanlines = blend_scanlines_name2func (target->rs[Rs_blendtype]);	535	layers[1].merge_scanlines = blend_scanlines_name2func (rs[Rs_blendtype]);
592	if (layers[1].merge_scanlines == NULL)	536	if (layers[1].merge_scanlines == NULL)
593	layers[1].merge_scanlines = alphablend_scanlines;	537	layers[1].merge_scanlines = alphablend_scanlines;
594	}	538	}
595		539
596	ASImage *tmp = merge_layers (target->asv, layers, 2, target_width, target_height,	540	ASImage *tmp = merge_layers (asv, layers, 2, target_width, target_height,
597	ASA_XImage, 0, ASIMAGE_QUALITY_DEFAULT);	541	ASA_XImage, 0, ASIMAGE_QUALITY_DEFAULT);
598		542
599	if (tmp)	543	if (tmp)
600	{	544	{
601	if (result != original_asim)	545	if (result != original_asim)
…		…
605	}	549	}
606		550
607	free (layers);	551	free (layers);
608	}	552	}
609	}	553	}
610	TIMING_TEST_PRINT_RESULT (asim);
611		554
612	if (pixmap)	555	bool ret = false;
613	{
614	if (result == NULL
615	|| pmap_width != new_pmap_width
616	|| pmap_height != new_pmap_height
617	|| pmap_depth != target->depth)
618	{
619	XFreePixmap (target->dpy, pixmap);
620	pixmap = None;
621	}
622	}
623		556
624	if (result)	557	if (result)
625	{	558	{
626	XGCValues gcv;	559	XGCValues gcv;
627	GC gc;	560	GC gc;
628		561
629	/* create Pixmap */	562	/* create Pixmap */
630	if (pixmap == None)	563	if (bg_pixmap == None
		564	|| bg_pmap_width != new_pmap_width
		565	|| bg_pmap_height != new_pmap_height)
631	{	566	{
		567	if (bg_pixmap)
		568	XFreePixmap (dpy, bg_pixmap);
632	pixmap = XCreatePixmap (target->dpy, target->vt, new_pmap_width, new_pmap_height, target->depth);	569	bg_pixmap = XCreatePixmap (dpy, vt, new_pmap_width, new_pmap_height, depth);
633	pmap_width = new_pmap_width;	570	bg_pmap_width = new_pmap_width;
634	pmap_height = new_pmap_height;	571	bg_pmap_height = new_pmap_height;
635	pmap_depth = target->depth;
636	}	572	}
637	/* fill with background color ( if result's not completely overlapping it)*/	573	/* fill with background color (if result's not completely overlapping it) */
638	gcv.foreground = target->pix_colors[Color_bg];	574	gcv.foreground = pix_colors[Color_bg];
639	gc = XCreateGC (target->dpy, target->vt, GCForeground, &gcv);	575	gc = XCreateGC (dpy, vt, GCForeground, &gcv);
640		576
641	int src_x = 0, src_y = 0, dst_x = 0, dst_y = 0;	577	int src_x = 0, src_y = 0, dst_x = 0, dst_y = 0;
642	int dst_width = result->width, dst_height = result->height;	578	int dst_width = result->width, dst_height = result->height;
643	if (background == NULL)	579	if (background == NULL)
644	{	580	{
		581	if (!(bg_flags & BG_TILE))
		582	{
645	if (h_scale > 0) src_x = make_clip_rectangle (x, result->width , new_pmap_width , dst_x, dst_width );	583	src_x = make_clip_rectangle (x, result->width , new_pmap_width , dst_x, dst_width );
646	if (v_scale > 0) src_y = make_clip_rectangle (y, result->height, new_pmap_height, dst_y, dst_height);	584	src_y = make_clip_rectangle (y, result->height, new_pmap_height, dst_y, dst_height);
		585	}
647		586
648	if (dst_x > 0 || dst_y > 0	587	if (dst_x > 0 || dst_y > 0
649	|| dst_x + dst_width < new_pmap_width	588	|| dst_x + dst_width < new_pmap_width
650	|| dst_y + dst_height < new_pmap_height)	589	|| dst_y + dst_height < new_pmap_height)
651	XFillRectangle (target->dpy, pixmap, gc, 0, 0, new_pmap_width, new_pmap_height);	590	XFillRectangle (dpy, bg_pixmap, gc, 0, 0, new_pmap_width, new_pmap_height);
652	}	591	}
653		592
654	/* put result on pixmap */	593	/* put result on pixmap */
655	if (dst_x < new_pmap_width && dst_y < new_pmap_height)	594	if (dst_x < new_pmap_width && dst_y < new_pmap_height)
656	asimage2drawable (target->asv, pixmap, result, gc, src_x, src_y, dst_x, dst_y, dst_width, dst_height, True);	595	asimage2drawable (asv, bg_pixmap, result, gc, src_x, src_y, dst_x, dst_y, dst_width, dst_height, True);
657		596
658	if (result != background && result != original_asim)	597	if (result != background && result != original_asim)
659	destroy_asimage (&result);	598	destroy_asimage (&result);
660		599
661	XFreeGC (target->dpy, gc);	600	XFreeGC (dpy, gc);
662	TIMING_TEST_PRINT_RESULT (asim);	601
		602	ret = true;
		603	}
		604
		605	if (background)
		606	destroy_asimage (&background);
		607
		608	return ret;
		609	}
		610	# endif /* HAVE_AFTERIMAGE */
		611
		612	# ifdef HAVE_PIXBUF
		613	bool
		614	rxvt_term::pixbuf_to_pixmap (GdkPixbuf *pixbuf, Pixmap pixmap, GC gc,
		615	int src_x, int src_y, int dst_x, int dst_y,
		616	unsigned int width, unsigned int height)
		617	{
		618	XImage *ximage;
		619	char *data, *line;
		620	int bytes_per_pixel;
		621	int width_r, width_g, width_b;
		622	int sh_r, sh_g, sh_b;
		623	int rowstride;
		624	int channels;
		625	unsigned char *row;
		626
		627	if (visual->c_class != TrueColor)
		628	return false;
		629
		630	if (depth == 24 || depth == 32)
		631	bytes_per_pixel = 4;
		632	else if (depth == 15 || depth == 16)
		633	bytes_per_pixel = 2;
		634	else
		635	return false;
		636
		637	width_r = ecb_popcount32 (visual->red_mask);
		638	width_g = ecb_popcount32 (visual->green_mask);
		639	width_b = ecb_popcount32 (visual->blue_mask);
		640
		641	if (width_r > 8 || width_g > 8 || width_b > 8)
		642	return false;
		643
		644	sh_r = ecb_ctz32 (visual->red_mask);
		645	sh_g = ecb_ctz32 (visual->green_mask);
		646	sh_b = ecb_ctz32 (visual->blue_mask);
		647
		648	if (width > INT_MAX / height / bytes_per_pixel)
		649	return false;
		650
		651	data = (char *)malloc (width * height * bytes_per_pixel);
		652	if (!data)
		653	return false;
		654
		655	ximage = XCreateImage (dpy, visual, depth, ZPixmap, 0, data,
		656	width, height, bytes_per_pixel * 8, 0);
		657	if (!ximage)
663	}	658	{
		659	free (data);
		660	return false;
		661	}
664		662
		663	ximage->byte_order = ecb_big_endian () ? MSBFirst : LSBFirst;
		664
		665	rowstride = gdk_pixbuf_get_rowstride (pixbuf);
		666	channels = gdk_pixbuf_get_n_channels (pixbuf);
		667	row = gdk_pixbuf_get_pixels (pixbuf) + src_y * rowstride + src_x * channels;
		668	line = data;
		669
		670	for (int y = 0; y < height; y++)
		671	{
		672	for (int x = 0; x < width; x++)
		673	{
		674	unsigned char *pixel = row + x * channels;
		675	uint32_t value;
		676
		677	value = ((pixel[0] >> (8 - width_r)) << sh_r)
		678	| ((pixel[1] >> (8 - width_g)) << sh_g)
		679	| ((pixel[2] >> (8 - width_b)) << sh_b);
		680
		681	if (bytes_per_pixel == 4)
		682	((uint32_t *)line)[x] = value;
		683	else
		684	((uint16_t *)line)[x] = value;
		685	}
		686
		687	row += rowstride;
		688	line += ximage->bytes_per_line;
		689	}
		690
		691	XPutImage (dpy, pixmap, gc, ximage, 0, 0, dst_x, dst_y, width, height);
		692	XDestroyImage (ximage);
665	return true;	693	return true;
666	}	694	}
667	# endif /* HAVE_AFTERIMAGE */
668		695
669	bool	696	bool
670	bgPixmap_t::set_file (const char *file)	697	rxvt_term::render_image (unsigned long tr_flags)
671	{	698	{
672	assert (file);	699	if (!pixbuf)
		700	return false;
673		701
674	if (*file)	702	if (tr_flags
		703	&& !(bg_flags & BG_HAS_RENDER))
		704	return false;
		705
		706	GdkPixbuf *result;
		707
		708	int image_width = gdk_pixbuf_get_width (pixbuf);
		709	int image_height = gdk_pixbuf_get_height (pixbuf);
		710
		711	int target_width = szHint.width;
		712	int target_height = szHint.height;
		713	int new_pmap_width = target_width;
		714	int new_pmap_height = target_height;
		715
		716	int x = 0;
		717	int y = 0;
		718	int w = 0;
		719	int h = 0;
		720
		721	get_image_geometry (image_width, image_height, w, h, x, y);
		722
		723	if (!(bg_flags & BG_ROOT_ALIGN)
		724	&& (x >= target_width
		725	|| y >= target_height
		726	|| (x + w <= 0)
		727	|| (y + h <= 0)))
		728	return false;
		729
		730	result = pixbuf;
		731
		732	if ((w != image_width)
		733	|| (h != image_height))
		734	{
		735	result = gdk_pixbuf_scale_simple (pixbuf,
		736	w, h,
		737	GDK_INTERP_BILINEAR);
675	{	738	}
		739
		740	if (!result)
		741	return false;
		742
		743	bool ret = false;
		744
		745	XGCValues gcv;
		746	GC gc;
		747	Pixmap root_pmap;
		748
		749	image_width = gdk_pixbuf_get_width (result);
		750	image_height = gdk_pixbuf_get_height (result);
		751
		752	if (tr_flags)
		753	{
		754	root_pmap = bg_pixmap;
		755	bg_pixmap = None;
		756	}
		757	else
		758	{
		759	if (bg_flags & BG_TILE)
		760	{
		761	new_pmap_width = min (image_width, target_width);
		762	new_pmap_height = min (image_height, target_height);
		763	}
		764	}
		765
		766	if (bg_pixmap == None
		767	|| bg_pmap_width != new_pmap_width
		768	|| bg_pmap_height != new_pmap_height)
		769	{
		770	if (bg_pixmap)
		771	XFreePixmap (dpy, bg_pixmap);
		772	bg_pixmap = XCreatePixmap (dpy, vt, new_pmap_width, new_pmap_height, depth);
		773	bg_pmap_width = new_pmap_width;
		774	bg_pmap_height = new_pmap_height;
		775	}
		776
		777	gcv.foreground = pix_colors[Color_bg];
		778	gc = XCreateGC (dpy, vt, GCForeground, &gcv);
		779
		780	if (gc)
		781	{
		782	if (bg_flags & BG_TILE)
		783	{
		784	Pixmap tile = XCreatePixmap (dpy, vt, image_width, image_height, depth);
		785	pixbuf_to_pixmap (result, tile, gc,
		786	0, 0,
		787	0, 0,
		788	image_width, image_height);
		789
		790	gcv.tile = tile;
		791	gcv.fill_style = FillTiled;
		792	gcv.ts_x_origin = x;
		793	gcv.ts_y_origin = y;
		794	XChangeGC (dpy, gc, GCFillStyle | GCTile | GCTileStipXOrigin | GCTileStipYOrigin, &gcv);
		795
		796	XFillRectangle (dpy, bg_pixmap, gc, 0, 0, new_pmap_width, new_pmap_height);
		797	XFreePixmap (dpy, tile);
		798	}
		799	else
		800	{
		801	int src_x, src_y, dst_x, dst_y;
		802	int dst_width, dst_height;
		803
		804	src_x = make_clip_rectangle (x, image_width , new_pmap_width , dst_x, dst_width );
		805	src_y = make_clip_rectangle (y, image_height, new_pmap_height, dst_y, dst_height);
		806
		807	if (dst_x > 0 || dst_y > 0
		808	|| dst_x + dst_width < new_pmap_width
		809	|| dst_y + dst_height < new_pmap_height)
		810	XFillRectangle (dpy, bg_pixmap, gc, 0, 0, new_pmap_width, new_pmap_height);
		811
		812	if (dst_x < new_pmap_width && dst_y < new_pmap_height)
		813	pixbuf_to_pixmap (result, bg_pixmap, gc,
		814	src_x, src_y,
		815	dst_x, dst_y,
		816	dst_width, dst_height);
		817	}
		818
		819	#if XRENDER
		820	if (tr_flags)
		821	{
		822	XRenderPictureAttributes pa;
		823
		824	XRenderPictFormat *src_format = XRenderFindVisualFormat (dpy, visual);
		825	Picture src = XRenderCreatePicture (dpy, root_pmap, src_format, 0, &pa);
		826
		827	XRenderPictFormat *dst_format = XRenderFindVisualFormat (dpy, visual);
		828	Picture dst = XRenderCreatePicture (dpy, bg_pixmap, dst_format, 0, &pa);
		829
		830	pa.repeat = True;
		831	Pixmap mask_pmap = XCreatePixmap (dpy, vt, 1, 1, 8);
		832	XRenderPictFormat *mask_format = XRenderFindStandardFormat (dpy, PictStandardA8);
		833	Picture mask = XRenderCreatePicture (dpy, mask_pmap, mask_format, CPRepeat, &pa);
		834	XFreePixmap (dpy, mask_pmap);
		835
		836	XRenderColor mask_c;
		837
		838	mask_c.alpha = 0x8000;
		839	mask_c.red = 0;
		840	mask_c.green = 0;
		841	mask_c.blue = 0;
		842	XRenderFillRectangle (dpy, PictOpSrc, mask, &mask_c, 0, 0, 1, 1);
		843	XRenderComposite (dpy, PictOpOver, src, mask, dst, 0, 0, 0, 0, 0, 0, target_width, target_height);
		844
		845	XRenderFreePicture (dpy, src);
		846	XRenderFreePicture (dpy, dst);
		847	XRenderFreePicture (dpy, mask);
		848	}
		849	#endif
		850
		851	XFreeGC (dpy, gc);
		852
		853	ret = true;
		854	}
		855
		856	if (result != pixbuf)
		857	g_object_unref (result);
		858
		859	if (tr_flags)
		860	XFreePixmap (dpy, root_pmap);
		861
		862	return ret;
		863	}
		864	# endif /* HAVE_PIXBUF */
		865
		866	bool
		867	rxvt_term::bg_set_file (const char *file)
		868	{
		869	if (!file || !*file)
		870	return false;
		871
		872	if (const char *p = strchr (file, ';'))
		873	{
		874	size_t len = p - file;
		875	char *f = rxvt_temp_buf<char> (len + 1);
		876	memcpy (f, file, len);
		877	f[len] = '\0';
		878	file = f;
		879	}
		880
676	# ifdef HAVE_AFTERIMAGE	881	# ifdef HAVE_AFTERIMAGE
677	if (!target->asimman)	882	if (!asimman)
678	target->asimman = create_generic_imageman (target->rs[Rs_path]);	883	asimman = create_generic_imageman (rs[Rs_path]);
679
680	if (char *f = strchr (file, ';'))
681	{
682	size_t len = f - file;
683	f = (char *)malloc (len + 1);
684	memcpy (f, file, len);
685	f[len] = '\0';
686	original_asim = get_asimage (target->asimman, f, 0xFFFFFFFF, 100);
687	free (f);
688	}
689	else
690	original_asim = get_asimage (target->asimman, file, 0xFFFFFFFF, 100);	884	ASImage *image = get_asimage (asimman, file, 0xFFFFFFFF, 100);
691		885	if (image)
692	return original_asim;	886	{
		887	if (original_asim)
		888	safe_asimage_destroy (original_asim);
		889	original_asim = image;
		890	bg_flags |= BG_IS_FROM_FILE | BG_CLIENT_RENDER;
		891	return true;
		892	}
693	# endif	893	# endif
		894
		895	# ifdef HAVE_PIXBUF
		896	GdkPixbuf *image = gdk_pixbuf_new_from_file (file, NULL);
		897	if (image)
694	}	898	{
		899	if (pixbuf)
		900	g_object_unref (pixbuf);
		901	pixbuf = image;
		902	bg_flags |= BG_IS_FROM_FILE;
		903	return true;
		904	}
		905	# endif
695		906
696	return false;	907	return false;
697	}	908	}
698		909
699	# endif /* BG_IMAGE_FROM_FILE */	910	# endif /* BG_IMAGE_FROM_FILE */
700		911
701	# ifdef ENABLE_TRANSPARENCY	912	# ifdef ENABLE_TRANSPARENCY
702	bool	913	bool
703	bgPixmap_t::set_transparent ()	914	rxvt_term::bg_set_transparent ()
704	{	915	{
705	if (!(flags & isTransparent))	916	if (!(bg_flags & BG_IS_TRANSPARENT))
706	{	917	{
707	flags |= isTransparent;	918	bg_flags |= BG_IS_TRANSPARENT;
708	return true;	919	return true;
709	}	920	}
710		921
711	return false;	922	return false;
712	}	923	}
713		924
714	bool	925	bool
715	bgPixmap_t::set_blur_radius (const char *geom)	926	rxvt_term::bg_set_blur (const char *geom)
716	{	927	{
717	int changed = 0;	928	bool changed = false;
718	unsigned int hr, vr;	929	unsigned int hr, vr;
719	int junk;	930	int junk;
720	int geom_flags = XParseGeometry (geom, &junk, &junk, &hr, &vr);	931	int geom_flags = XParseGeometry (geom, &junk, &junk, &hr, &vr);
721		932
722	if (!(geom_flags&WidthValue))	933	if (!(geom_flags & WidthValue))
723	hr = 1;	934	hr = 1;
724	if (!(geom_flags&HeightValue))	935	if (!(geom_flags & HeightValue))
725	vr = hr;	936	vr = hr;
726		937
		938	min_it (hr, 128);
		939	min_it (vr, 128);
		940
727	if (h_blurRadius != hr)	941	if (h_blurRadius != hr)
728	{	942	{
729	++changed;	943	changed = true;
730	h_blurRadius = hr;	944	h_blurRadius = hr;
731	}	945	}
732		946
733	if (v_blurRadius != vr)	947	if (v_blurRadius != vr)
734	{	948	{
735	++changed;	949	changed = true;
736	v_blurRadius = vr;	950	v_blurRadius = vr;
737	}	951	}
738		952
739	if (v_blurRadius == 0 && h_blurRadius == 0)	953	if (v_blurRadius == 0 && h_blurRadius == 0)
740	flags &= ~blurNeeded;	954	bg_flags &= ~BG_NEEDS_BLUR;
741	else	955	else
742	flags |= blurNeeded;	956	bg_flags |= BG_NEEDS_BLUR;
743		957
744	return (changed>0);	958	return changed;
745	}	959	}
746		960
747	static inline unsigned long	961	void
748	compute_tint_shade_flags (rxvt_color *tint, int shade)	962	rxvt_term::set_tint_shade_flags ()
749	{	963	{
750	unsigned long flags = 0;
751	rgba c (rgba::MAX_CC,rgba::MAX_CC,rgba::MAX_CC);	964	rgba c (rgba::MAX_CC,rgba::MAX_CC,rgba::MAX_CC);
752	bool has_shade = (shade > 0 && shade < 100) || (shade > 100 && shade < 200);	965	bool has_shade = shade != 100;
753		966
754	if (tint)	967	bg_flags &= ~BG_TINT_FLAGS;
		968
		969	if (bg_flags & BG_TINT_SET)
755	{	970	{
756	tint->get (c);	971	tint.get (c);
757	# define IS_COMPONENT_WHOLESOME(cmp) ((cmp) <= 0x000700 || (cmp) >= 0x00f700)
758	if (!has_shade && IS_COMPONENT_WHOLESOME (c.r)
759	&& IS_COMPONENT_WHOLESOME (c.g)
760	&& IS_COMPONENT_WHOLESOME (c.b))
761	flags |= bgPixmap_t::tintWholesome;
762	# undef IS_COMPONENT_WHOLESOME
763	}
764
765	if (has_shade)	972	if (!has_shade
766	flags |= bgPixmap_t::tintNeeded;	973	&& (c.r <= 0x00ff || c.r >= 0xff00)
767	else if (tint)	974	&& (c.g <= 0x00ff || c.g >= 0xff00)
		975	&& (c.b <= 0x00ff || c.b >= 0xff00))
		976	bg_flags |= BG_TINT_BITAND;
768	{	977	}
769	if ((c.r > 0x000700 || c.g > 0x000700 || c.b > 0x000700)	978
770	&& (c.r < 0x00f700 || c.g < 0x00f700 || c.b < 0x00f700))	979	if (has_shade || (bg_flags & BG_TINT_SET))
		980	bg_flags |= BG_NEEDS_TINT;
		981	}
		982
		983	bool
		984	rxvt_term::bg_set_tint (rxvt_color &new_tint)
		985	{
		986	if (!(bg_flags & BG_TINT_SET) || tint != new_tint)
		987	{
		988	tint = new_tint;
		989	bg_flags |= BG_TINT_SET;
		990	set_tint_shade_flags ();
		991	return true;
		992	}
		993
		994	return false;
		995	}
		996
		997	bool
		998	rxvt_term::bg_set_shade (const char *shade_str)
		999	{
		1000	int new_shade = (shade_str) ? atoi (shade_str) : 100;
		1001
		1002	clamp_it (new_shade, -100, 200);
		1003	if (new_shade < 0)
		1004	new_shade = 200 - (100 + new_shade);
		1005
		1006	if (new_shade != shade)
		1007	{
		1008	shade = new_shade;
		1009	set_tint_shade_flags ();
		1010	return true;
		1011	}
		1012
		1013	return false;
		1014	}
		1015
		1016	#if XRENDER
		1017	static void
		1018	get_gaussian_kernel (int radius, int width, double *kernel, XFixed *params)
		1019	{
		1020	double sigma = radius / 2.0;
		1021	double scale = sqrt (2.0 * M_PI) * sigma;
		1022	double sum = 0.0;
		1023
		1024	for (int i = 0; i < width; i++)
		1025	{
		1026	double x = i - width / 2;
		1027	kernel[i] = exp (-(x * x) / (2.0 * sigma * sigma)) / scale;
		1028	sum += kernel[i];
		1029	}
		1030
		1031	params[0] = XDoubleToFixed (width);
		1032	params[1] = XDoubleToFixed (1);
		1033
		1034	for (int i = 0; i < width; i++)
		1035	params[i+2] = XDoubleToFixed (kernel[i] / sum);
		1036	}
		1037	#endif
		1038
		1039	bool
		1040	rxvt_term::blur_pixmap (Pixmap pixmap, Visual *visual, int width, int height)
		1041	{
		1042	bool ret = false;
		1043	#if XRENDER
		1044	int size = max (h_blurRadius, v_blurRadius) * 2 + 1;
		1045	double *kernel = (double *)malloc (size * sizeof (double));
		1046	XFixed *params = (XFixed *)malloc ((size + 2) * sizeof (XFixed));
		1047
		1048	XRenderPictureAttributes pa;
		1049	XRenderPictFormat *format = XRenderFindVisualFormat (dpy, visual);
		1050
		1051	Picture src = XRenderCreatePicture (dpy, pixmap, format, 0, &pa);
		1052	Picture dst = XRenderCreatePicture (dpy, pixmap, format, 0, &pa);
		1053
		1054	if (kernel && params)
		1055	{
		1056	if (h_blurRadius)
771	{	1057	{
772	flags |= bgPixmap_t::tintNeeded;	1058	size = h_blurRadius * 2 + 1;
		1059	get_gaussian_kernel (h_blurRadius, size, kernel, params);
		1060
		1061	XRenderSetPictureFilter (dpy, src, FilterConvolution, params, size+2);
		1062	XRenderComposite (dpy,
		1063	PictOpSrc,
		1064	src,
		1065	None,
		1066	dst,
		1067	0, 0,
		1068	0, 0,
		1069	0, 0,
		1070	width, height);
773	}	1071	}
774	}
775		1072
776	if (flags & bgPixmap_t::tintNeeded)	1073	if (v_blurRadius)
		1074	{
		1075	size = v_blurRadius * 2 + 1;
		1076	get_gaussian_kernel (v_blurRadius, size, kernel, params);
		1077	::swap (params[0], params[1]);
		1078
		1079	XRenderSetPictureFilter (dpy, src, FilterConvolution, params, size+2);
		1080	XRenderComposite (dpy,
		1081	PictOpSrc,
		1082	src,
		1083	None,
		1084	dst,
		1085	0, 0,
		1086	0, 0,
		1087	0, 0,
		1088	width, height);
		1089	}
		1090
		1091	ret = true;
777	{	1092	}
778	if (flags & bgPixmap_t::tintWholesome)	1093
779	flags |= bgPixmap_t::tintServerSide;	1094	free (kernel);
		1095	free (params);
		1096	XRenderFreePicture (dpy, src);
		1097	XRenderFreePicture (dpy, dst);
		1098	#endif
		1099	return ret;
		1100	}
		1101
		1102	bool
		1103	rxvt_term::tint_pixmap (Pixmap pixmap, Visual *visual, int width, int height)
		1104	{
		1105	bool ret = false;
		1106
		1107	if (bg_flags & BG_TINT_BITAND)
		1108	{
		1109	XGCValues gcv;
		1110	GC gc;
		1111
		1112	/* In this case we can tint image server-side getting significant
		1113	* performance improvements, as we eliminate XImage transfer
		1114	*/
		1115	gcv.foreground = Pixel (tint);
		1116	gcv.function = GXand;
		1117	gcv.fill_style = FillSolid;
		1118	gc = XCreateGC (dpy, pixmap, GCFillStyle | GCForeground | GCFunction, &gcv);
		1119	if (gc)
		1120	{
		1121	XFillRectangle (dpy, pixmap, gc, 0, 0, width, height);
		1122	ret = true;
		1123	XFreeGC (dpy, gc);
		1124	}
		1125	}
		1126	else
		1127	{
		1128	# if XRENDER
		1129	rgba c (rgba::MAX_CC, rgba::MAX_CC, rgba::MAX_CC);
		1130
		1131	if (bg_flags & BG_TINT_SET)
		1132	tint.get (c);
		1133
		1134	if (shade <= 100)
		1135	{
		1136	c.r = c.r * shade / 100;
		1137	c.g = c.g * shade / 100;
		1138	c.b = c.b * shade / 100;
		1139	}
780	else	1140	else
781	{	1141	{
782	#if XFT	1142	c.r = c.r * (200 - shade) / 100;
783	flags |= bgPixmap_t::tintServerSide;	1143	c.g = c.g * (200 - shade) / 100;
784	#endif	1144	c.b = c.b * (200 - shade) / 100;
		1145	}
		1146
		1147	XRenderPictFormat *solid_format = XRenderFindStandardFormat (dpy, PictStandardARGB32);
		1148	XRenderPictFormat *format = XRenderFindVisualFormat (dpy, visual);
		1149	XRenderPictureAttributes pa;
		1150
		1151	Picture back_pic = XRenderCreatePicture (dpy, pixmap, format, 0, &pa);
		1152
		1153	pa.repeat = True;
		1154
		1155	Pixmap overlay_pmap = XCreatePixmap (dpy, pixmap, 1, 1, 32);
		1156	Picture overlay_pic = XRenderCreatePicture (dpy, overlay_pmap, solid_format, CPRepeat, &pa);
		1157	XFreePixmap (dpy, overlay_pmap);
		1158
		1159	pa.component_alpha = True;
		1160	Pixmap mask_pmap = XCreatePixmap (dpy, pixmap, 1, 1, 32);
		1161	Picture mask_pic = XRenderCreatePicture (dpy, mask_pmap, solid_format, CPRepeat | CPComponentAlpha, &pa);
		1162	XFreePixmap (dpy, mask_pmap);
		1163
		1164	XRenderColor mask_c;
		1165
		1166	mask_c.alpha = 0xffff;
		1167	mask_c.red =
		1168	mask_c.green =
		1169	mask_c.blue = 0;
		1170	XRenderFillRectangle (dpy, PictOpSrc, overlay_pic, &mask_c, 0, 0, 1, 1);
		1171
		1172	mask_c.alpha = 0;
		1173	mask_c.red = 0xffff - c.r;
		1174	mask_c.green = 0xffff - c.g;
		1175	mask_c.blue = 0xffff - c.b;
		1176	XRenderFillRectangle (dpy, PictOpSrc, mask_pic, &mask_c, 0, 0, 1, 1);
		1177	XRenderComposite (dpy, PictOpOver, overlay_pic, mask_pic, back_pic, 0, 0, 0, 0, 0, 0, width, height);
		1178
		1179	if (shade > 100)
785	}	1180	{
786	}	1181	mask_c.red = mask_c.green = mask_c.blue = 0xffff * (shade - 100) / 100;
		1182	mask_c.alpha = 0;
		1183	XRenderFillRectangle (dpy, PictOpSrc, overlay_pic, &mask_c, 0, 0, 1, 1);
787		1184
788	return flags;	1185	XRenderComposite (dpy, PictOpOver, overlay_pic, None, back_pic, 0, 0, 0, 0, 0, 0, width, height);
789	}	1186	}
790		1187
791	bool
792	bgPixmap_t::set_tint (rxvt_color &new_tint)
793	{
794	if (tint != new_tint)
795	{
796	unsigned long new_flags = compute_tint_shade_flags (&new_tint, shade);
797	tint = new_tint;
798	flags = (flags & ~tintFlags) | new_flags | tintSet;
799	return true;	1188	ret = true;
800	}
801		1189
802	return false;	1190	XRenderFreePicture (dpy, mask_pic);
803	}	1191	XRenderFreePicture (dpy, overlay_pic);
804		1192	XRenderFreePicture (dpy, back_pic);
805	bool	1193	# endif
806	bgPixmap_t::unset_tint ()
807	{
808	unsigned long new_flags = compute_tint_shade_flags (NULL, shade);
809
810	if (new_flags != (flags & tintFlags))
811	{	1194	}
812	flags = (flags&~tintFlags)|new_flags;
813	return true;
814	}
815		1195
816	return false;	1196	return ret;
817	}	1197	}
818		1198
819	bool	1199	/*
820	bgPixmap_t::set_shade (const char *shade_str)	1200	* Builds a pixmap of the same size as the terminal window that contains
821	{
822	int new_shade = (shade_str) ? atoi (shade_str) : 0;
823
824	if (new_shade < 0 && new_shade > -100)
825	new_shade = 200 - (100 + new_shade);
826	else if (new_shade == 100)
827	new_shade = 0;
828
829	if (new_shade != shade)
830	{
831	unsigned long new_flags = compute_tint_shade_flags ((flags & tintSet) ? &tint : NULL, new_shade);
832	shade = new_shade;
833	flags = (flags & (~tintFlags | tintSet)) | new_flags;
834	return true;
835	}
836
837	return false;
838	}
839
840	/* make_transparency_pixmap()
841	* Builds a pixmap sized the same as terminal window, with depth same as the root window
842	* that pixmap contains tiled portion of the root pixmap that is supposed to be covered by	1201	* the tiled portion of the root pixmap that is supposed to be covered by
843	* our window.	1202	* our window.
844	*/	1203	*/
845	unsigned long	1204	unsigned long
846	bgPixmap_t::make_transparency_pixmap ()	1205	rxvt_term::make_transparency_pixmap ()
847	{	1206	{
848	unsigned long result = 0;	1207	unsigned long result = 0;
849		1208
850	if (target == NULL)
851	return 0;
852
853	/* root dimentions may change from call to call - but Display structure should	1209	/* root dimensions may change from call to call - but Display structure should
854	* be always up-to-date, so let's use it :	1210	* be always up-to-date, so let's use it :
855	*/	1211	*/
856	Window root = target->display->root;
857	int screen = target->display->screen;	1212	int screen = display->screen;
858	Display *dpy = target->dpy;	1213	int root_depth = DefaultDepth (dpy, screen);
859	int root_width = DisplayWidth (dpy, screen);	1214	int root_width = DisplayWidth (dpy, screen);
860	int root_height = DisplayHeight (dpy, screen);	1215	int root_height = DisplayHeight (dpy, screen);
861	unsigned int root_pmap_width, root_pmap_height;	1216	unsigned int root_pmap_width, root_pmap_height;
862	int window_width = target->szHint.width;	1217	int window_width = szHint.width;
863	int window_height = target->szHint.height;	1218	int window_height = szHint.height;
864	int sx, sy;	1219	int sx, sy;
865	XGCValues gcv;	1220	XGCValues gcv;
		1221	GC gc;
866		1222
867	TIMING_TEST_START (tp);	1223	sx = target_x;
868	target->get_window_origin (sx, sy);	1224	sy = target_y;
869		1225
870	/* check if we are outside of the visible part of the virtual screen : */	1226	/* check if we are outside of the visible part of the virtual screen : */
871	if (sx + window_width <= 0 || sy + window_height <= 0	1227	if (sx + window_width <= 0 || sy + window_height <= 0
872	|| sx >= root_width || sy >= root_height)	1228	|| sx >= root_width || sy >= root_height)
873	return 0;	1229	return 0;
874		1230
		1231	// validate root pixmap and get its size
875	if (root_pixmap != None)	1232	if (root_pixmap != None)
876	{	1233	{
877	/* we want to validate the pixmap and get it's size at the same time : */	1234	Window wdummy;
878	int junk;	1235	int idummy;
879	unsigned int ujunk;	1236	unsigned int udummy;
880	/* root pixmap may be bad - allow a error */	1237
881	target->allowedxerror = -1;	1238	allowedxerror = -1;
882		1239
883	if (!XGetGeometry (dpy, root_pixmap, &root, &junk, &junk, &root_pmap_width, &root_pmap_height, &ujunk, &ujunk))	1240	if (!XGetGeometry (dpy, root_pixmap, &wdummy, &idummy, &idummy, &root_pmap_width, &root_pmap_height, &udummy, &udummy))
884	root_pixmap = None;	1241	root_pixmap = None;
885		1242
886	target->allowedxerror = 0;	1243	allowedxerror = 0;
		1244	}
		1245
		1246	Pixmap recoded_root_pmap = root_pixmap;
		1247
		1248	if (root_pixmap != None && root_depth != depth)
887	}	1249	{
		1250	#if XRENDER
		1251	if (bg_flags & BG_HAS_RENDER)
		1252	{
		1253	recoded_root_pmap = XCreatePixmap (dpy, vt, root_pmap_width, root_pmap_height, depth);
888		1254
889	Pixmap tiled_root_pmap = XCreatePixmap (dpy, root, window_width, window_height, root_depth);	1255	XRenderPictureAttributes pa;
890	GC gc = NULL;
891		1256
892	if (tiled_root_pmap == None) /* something really bad happened - abort */	1257	XRenderPictFormat *src_format = XRenderFindVisualFormat (dpy, DefaultVisual (dpy, screen));
		1258	Picture src = XRenderCreatePicture (dpy, root_pixmap, src_format, 0, &pa);
		1259
		1260	XRenderPictFormat *dst_format = XRenderFindVisualFormat (dpy, visual);
		1261	Picture dst = XRenderCreatePicture (dpy, recoded_root_pmap, dst_format, 0, &pa);
		1262
		1263	XRenderComposite (dpy, PictOpSrc, src, None, dst, 0, 0, 0, 0, 0, 0, root_pmap_width, root_pmap_height);
		1264
		1265	XRenderFreePicture (dpy, src);
		1266	XRenderFreePicture (dpy, dst);
		1267	}
		1268	else
		1269	#endif
		1270	recoded_root_pmap = None;
		1271	}
		1272
		1273	if (recoded_root_pmap == None)
893	return 0;	1274	return 0;
894		1275
895	if (root_pixmap == None)	1276	if (bg_pixmap == None
896	{	1277	|| bg_pmap_width != window_width
897	/* use tricks to obtain the root background image :*/	1278	|| bg_pmap_height != window_height)
898	/* we want to create Overrideredirect window overlapping out window
899	with background type of Parent Relative and then grab it */
900	XSetWindowAttributes attr;
901	Window src;
902	bool success = false;
903
904	attr.background_pixmap = ParentRelative;
905	attr.backing_store = Always;
906	attr.event_mask = ExposureMask;
907	attr.override_redirect = True;
908	src = XCreateWindow (dpy, root, sx, sy, window_width, window_height, 0,
909	CopyFromParent, CopyFromParent, CopyFromParent,
910	CWBackPixmap|CWBackingStore|CWOverrideRedirect|CWEventMask,
911	&attr);
912
913	if (src != None)
914	{
915	XEvent event;
916	int ev_count = 0;
917	XGrabServer (dpy);
918	XMapRaised (dpy, src);
919	XSync (dpy, False);
920
921	/* XSync should get window where it's properly exposed,
922	* but to be on the safe side - let's check for the actual event to arrive : */
923	while (XCheckWindowEvent (dpy, src, ExposureMask, &event))
924	++ev_count;
925
926	if (ev_count > 0);
927	{
928	/* hooray! - we can grab the image! */
929	gc = XCreateGC (dpy, root, 0, NULL);
930	if (gc)
931	{
932	XCopyArea (dpy, src, tiled_root_pmap, gc, 0, 0, window_width, window_height, 0, 0);
933	success = true;
934	}
935	}
936
937	XDestroyWindow (dpy, src);
938	XUngrabServer (dpy);
939	//fprintf (stderr, "%s:%d: ev_count = %d\n", __FUNCTION__, __LINE__, ev_count);
940	}
941
942	if (!success)
943	{
944	XFreePixmap (dpy, tiled_root_pmap);
945	tiled_root_pmap = None;
946	}
947	else
948	result |= transpPmapTiled;
949	}	1279	{
950	else	1280	if (bg_pixmap)
		1281	XFreePixmap (dpy, bg_pixmap);
		1282	bg_pixmap = XCreatePixmap (dpy, vt, window_width, window_height, depth);
		1283	bg_pmap_width = window_width;
		1284	bg_pmap_height = window_height;
951	{	1285	}
		1286
952	/* strightforward pixmap copy */	1287	/* straightforward pixmap copy */
		1288	while (sx < 0) sx += root_width;
		1289	while (sy < 0) sy += root_height;
		1290
953	gcv.tile = root_pixmap;	1291	gcv.tile = recoded_root_pmap;
954	gcv.fill_style = FillTiled;	1292	gcv.fill_style = FillTiled;
955
956	while (sx < 0) sx += (int)root_width;
957	while (sy < 0) sy += (int)root_height;
958
959	gcv.ts_x_origin = -sx;	1293	gcv.ts_x_origin = -sx;
960	gcv.ts_y_origin = -sy;	1294	gcv.ts_y_origin = -sy;
961	gc = XCreateGC (dpy, root, GCFillStyle | GCTile | GCTileStipXOrigin | GCTileStipYOrigin, &gcv);	1295	gc = XCreateGC (dpy, vt, GCFillStyle | GCTile | GCTileStipXOrigin | GCTileStipYOrigin, &gcv);
		1296
		1297	if (gc)
		1298	{
		1299	XFillRectangle (dpy, bg_pixmap, gc, 0, 0, window_width, window_height);
		1300	result |= BG_IS_VALID | (bg_flags & BG_EFFECTS_FLAGS);
		1301	XFreeGC (dpy, gc);
		1302
		1303	if (!(bg_flags & BG_CLIENT_RENDER))
		1304	{
		1305	if ((bg_flags & BG_NEEDS_BLUR)
		1306	&& (bg_flags & BG_HAS_RENDER_CONV))
		1307	{
		1308	if (blur_pixmap (bg_pixmap, visual, window_width, window_height))
		1309	result &= ~BG_NEEDS_BLUR;
		1310	}
		1311	if ((bg_flags & BG_NEEDS_TINT)
		1312	&& (bg_flags & (BG_TINT_BITAND | BG_HAS_RENDER)))
		1313	{
		1314	if (tint_pixmap (bg_pixmap, visual, window_width, window_height))
		1315	result &= ~BG_NEEDS_TINT;
		1316	}
		1317	} /* server side rendering completed */
		1318	}
		1319
		1320	if (recoded_root_pmap != root_pixmap)
		1321	XFreePixmap (dpy, recoded_root_pmap);
		1322
		1323	return result;
		1324	}
		1325
		1326	void
		1327	rxvt_term::bg_set_root_pixmap ()
		1328	{
		1329	Pixmap new_root_pixmap = get_pixmap_property (xa[XA_XROOTPMAP_ID]);
		1330	if (new_root_pixmap == None)
		1331	new_root_pixmap = get_pixmap_property (xa[XA_ESETROOT_PMAP_ID]);
		1332
		1333	root_pixmap = new_root_pixmap;
		1334	}
		1335	# endif /* ENABLE_TRANSPARENCY */
		1336
		1337	#if defined(ENABLE_TRANSPARENCY) && !defined(HAVE_AFTERIMAGE)
		1338	static void shade_ximage (Visual *visual, XImage *ximage, int shade, const rgba &c);
		1339	# endif
		1340
		1341	bool
		1342	rxvt_term::bg_render ()
		1343	{
		1344	unsigned long tr_flags = 0;
		1345
		1346	bg_invalidate ();
		1347	# ifdef ENABLE_TRANSPARENCY
		1348	if (bg_flags & BG_IS_TRANSPARENT)
		1349	{
		1350	/* we need to re-generate transparency pixmap in that case ! */
		1351	tr_flags = make_transparency_pixmap ();
		1352	if (tr_flags == 0)
		1353	return false;
		1354	else if (!(tr_flags & BG_EFFECTS_FLAGS))
		1355	bg_flags |= BG_IS_VALID;
		1356	}
		1357	# endif
		1358
		1359	# ifdef BG_IMAGE_FROM_FILE
		1360	if ((bg_flags & BG_IS_FROM_FILE)
		1361	|| (tr_flags & BG_EFFECTS_FLAGS))
		1362	{
		1363	if (render_image (tr_flags))
		1364	bg_flags |= BG_IS_VALID;
		1365	}
		1366	# endif
		1367
		1368	# if defined(ENABLE_TRANSPARENCY) && !defined(HAVE_AFTERIMAGE)
		1369	XImage *result = NULL;
		1370
		1371	if (tr_flags && !(bg_flags & BG_IS_VALID))
		1372	{
		1373	result = XGetImage (dpy, bg_pixmap, 0, 0, bg_pmap_width, bg_pmap_height, AllPlanes, ZPixmap);
		1374	}
		1375
		1376	if (result)
		1377	{
		1378	/* our own client-side tinting */
		1379	if (tr_flags & BG_NEEDS_TINT)
		1380	{
		1381	rgba c (rgba::MAX_CC,rgba::MAX_CC,rgba::MAX_CC);
		1382	if (bg_flags & BG_TINT_SET)
		1383	tint.get (c);
		1384	shade_ximage (DefaultVisual (dpy, display->screen), result, shade, c);
		1385	}
		1386
		1387	GC gc = XCreateGC (dpy, vt, 0UL, NULL);
962		1388
963	if (gc)	1389	if (gc)
964	{	1390	{
965	XFillRectangle (dpy, tiled_root_pmap, gc, 0, 0, window_width, window_height);	1391	XPutImage (dpy, bg_pixmap, gc, result, 0, 0, 0, 0, result->width, result->height);
966	result |= transpPmapTiled;
967	}
968	}
969	TIMING_TEST_PRINT_RESULT (tp);
970		1392
971	if (tiled_root_pmap != None)	1393	XFreeGC (dpy, gc);
972	{	1394	bg_flags |= BG_IS_VALID;
973	if (!need_client_side_rendering ())
974	{	1395	}
975	if ((flags & tintNeeded))
976	{
977	if (flags & tintWholesome)
978	{
979	/* In this case we can tint image server-side getting significant
980	* performance improvements, as we eliminate XImage transfer
981	*/
982	gcv.foreground = Pixel (tint);
983	gcv.function = GXand;
984	gcv.fill_style = FillSolid;
985	if (gc)
986	XChangeGC (dpy, gc, GCFillStyle | GCForeground | GCFunction, &gcv);
987	else
988	gc = XCreateGC (dpy, root, GCFillStyle | GCForeground | GCFunction, &gcv);
989	if (gc)
990	{
991	XFillRectangle (dpy, tiled_root_pmap, gc, 0, 0, window_width, window_height);
992	result |= transpPmapTinted;
993	}
994	}
995	else
996	{
997	# if XFT
998	Picture back_pic = 0;
999	rgba c (rgba::MAX_CC,rgba::MAX_CC,rgba::MAX_CC);
1000		1396
1001	if (flags & tintSet)	1397	XDestroyImage (result);
1002	tint.get (c);
1003
1004	if (shade > 0 && shade < 100)
1005	{
1006	c.r = (c.r * shade) / 100;
1007	c.g = (c.g * shade) / 100;
1008	c.b = (c.b * shade) / 100;
1009	}
1010	else if (shade > 100 && shade < 200)
1011	{
1012	c.r = (c.r * (200 - shade)) / 100;
1013	c.g = (c.g * (200 - shade)) / 100;
1014	c.b = (c.b * (200 - shade)) / 100;
1015	}
1016
1017	XRenderPictFormat pf;
1018	pf.type = PictTypeDirect;
1019	pf.depth = 32;
1020	pf.direct.redMask = 0xff;
1021	pf.direct.greenMask = 0xff;
1022	pf.direct.blueMask = 0xff;
1023	pf.direct.alphaMask = 0xff;
1024
1025	XRenderPictFormat *solid_format = XRenderFindFormat (dpy,
1026	(PictFormatType|
1027	PictFormatDepth|
1028	PictFormatRedMask|
1029	PictFormatGreenMask|
1030	PictFormatBlueMask|
1031	PictFormatAlphaMask),
1032	&pf,
1033	0);
1034	XRenderPictFormat *root_format = XRenderFindVisualFormat (dpy, DefaultVisualOfScreen (ScreenOfDisplay (dpy, target->display->screen)));
1035	XRenderPictureAttributes pa ;
1036
1037	back_pic = XRenderCreatePicture (dpy, tiled_root_pmap, root_format, 0, &pa);
1038
1039	pa.repeat = True;
1040
1041	Pixmap overlay_pmap = XCreatePixmap (dpy, root, 1, 1, 32);
1042	Picture overlay_pic = XRenderCreatePicture (dpy, overlay_pmap, solid_format, CPRepeat, &pa);
1043	XFreePixmap (dpy, overlay_pmap);
1044
1045	pa.component_alpha = True;
1046	Pixmap mask_pmap = XCreatePixmap (dpy, root, 1, 1, 32);
1047	Picture mask_pic = XRenderCreatePicture (dpy, mask_pmap, solid_format, CPRepeat|CPComponentAlpha, &pa);
1048	XFreePixmap (dpy, mask_pmap);
1049
1050	if (mask_pic && overlay_pic && back_pic)
1051	{
1052	XRenderColor mask_c;
1053
1054	memset (&mask_c, (shade > 100) ? 0xFF : 0x0, sizeof (mask_c));
1055	mask_c.alpha = 0xffff;
1056	XRenderFillRectangle (dpy, PictOpSrc, overlay_pic, &mask_c, 0, 0, 1, 1);
1057
1058	mask_c.alpha = 0;
1059	mask_c.red = 0xffff - c.r;
1060	mask_c.green = 0xffff - c.g;
1061	mask_c.blue = 0xffff - c.b;
1062	XRenderFillRectangle (dpy, PictOpSrc, mask_pic, &mask_c, 0, 0, 1, 1);
1063	XRenderComposite (dpy, PictOpOver, overlay_pic, mask_pic, back_pic, 0, 0, 0, 0, 0, 0, window_width, window_height);
1064	result |= transpPmapTinted;
1065	}
1066
1067	XRenderFreePicture (dpy, mask_pic);
1068	XRenderFreePicture (dpy, overlay_pic);
1069	XRenderFreePicture (dpy, back_pic);
1070	# if DO_TIMING_TEST
1071	XSync (dpy, False);
1072	# endif
1073	# endif
1074	}
1075	}
1076	} /* server side rendering completed */
1077
1078	if (pixmap)
1079	XFreePixmap (dpy, pixmap);
1080
1081	pixmap = tiled_root_pmap;
1082	pmap_width = window_width;
1083	pmap_height = window_height;
1084	pmap_depth = root_depth;
1085	}
1086
1087	if (gc)
1088	XFreeGC (dpy, gc);
1089
1090	TIMING_TEST_PRINT_RESULT (tp);
1091
1092	return result;
1093	}
1094
1095	bool
1096	bgPixmap_t::set_root_pixmap ()
1097	{
1098	Pixmap new_root_pixmap = target->get_pixmap_property (XA_XROOTPMAP_ID);
1099	if (new_root_pixmap == None)
1100	new_root_pixmap = target->get_pixmap_property (XA_ESETROOT_PMAP_ID);
1101
1102	if (new_root_pixmap != root_pixmap)
1103	{	1398	}
1104	root_pixmap = new_root_pixmap;
1105	return true;
1106	}
1107
1108	return false;
1109	}
1110	# endif /* ENABLE_TRANSPARENCY */
1111
1112	# ifndef HAVE_AFTERIMAGE
1113	static void ShadeXImage(rxvt_term *term, XImage* srcImage, int shade, int rm, int gm, int bm);
1114	# endif	1399	# endif
1115		1400
1116	bool	1401	if (!(bg_flags & BG_IS_VALID))
1117	bgPixmap_t::render ()
1118	{
1119	unsigned long background_flags = 0;
1120
1121	if (target == NULL)
1122	return false;
1123
1124	TIMING_TEST_START (tp);
1125
1126	invalidate ();
1127	# ifdef ENABLE_TRANSPARENCY
1128	if (flags & isTransparent)
1129	{
1130	/* we need to re-generate transparency pixmap in that case ! */
1131	background_flags = make_transparency_pixmap ();
1132	if (background_flags == 0)
1133	return false;
1134	else if ((background_flags & transpTransformations) == (flags & transpTransformations)
1135	&& pmap_depth == target->depth)
1136	flags = flags & ~isInvalid;
1137	}	1402	{
1138	# endif
1139
1140	XImage *result = NULL;
1141	# ifdef HAVE_AFTERIMAGE
1142	if (original_asim
1143	|| (background_flags & transpTransformations) != (flags & transpTransformations))
1144	{
1145	target->init_asv ();
1146
1147	ASImage *background = NULL;
1148	ARGB32 as_tint = TINT_LEAVE_SAME;
1149	if (background_flags)
1150	background = pixmap2ximage (target->asv, pixmap, 0, 0, pmap_width, pmap_height, AllPlanes, 100);
1151
1152	# ifdef ENABLE_TRANSPARENCY
1153	if (!(background_flags & transpPmapTinted) && (flags & tintNeeded))
1154	{
1155	ShadingInfo as_shade;
1156	as_shade.shading = (shade == 0) ? 100 : shade;
1157
1158	rgba c (rgba::MAX_CC,rgba::MAX_CC,rgba::MAX_CC);
1159	if (flags & tintSet)
1160	tint.get (c);
1161	as_shade.tintColor.red = c.r;
1162	as_shade.tintColor.green = c.g;
1163	as_shade.tintColor.blue = c.b;
1164
1165	as_tint = shading2tint32 (&as_shade);
1166	}
1167
1168	if (!(background_flags & transpPmapBlured) && (flags & blurNeeded) && background != NULL)
1169	{
1170	ASImage* tmp = blur_asimage_gauss (target->asv, background, h_blurRadius, v_blurRadius, 0xFFFFFFFF,
1171	(original_asim == NULL || tint == TINT_LEAVE_SAME)?ASA_XImage:ASA_ASImage,
1172	100, ASIMAGE_QUALITY_DEFAULT);
1173	if (tmp)
1174	{
1175	destroy_asimage (&background);
1176	background = tmp;
1177	}
1178	}
1179	# endif
1180
1181	if (render_asim (background, as_tint))
1182	flags = flags & ~isInvalid;
1183	if (background)
1184	destroy_asimage (&background);
1185	}
1186	else if (background_flags && pmap_depth != target->depth)
1187	result = XGetImage (target->dpy, pixmap, 0, 0, pmap_width, pmap_height, AllPlanes, ZPixmap);
1188
1189	# elif !XFT /* our own client-side tinting */
1190
1191	/* ATTENTION: We ASSUME that XFT will let us do all the tinting neccessary server-side.
1192	This may need to be changed in need_client_side_rendering() logic is altered !!! */
1193
1194	if (background_flags && (flags & isInvalid))
1195	{
1196	result = XGetImage (target->dpy, pixmap, 0, 0, pmap_width, pmap_height, AllPlanes, ZPixmap);
1197
1198	if (result != NULL && !(background_flags & transpPmapTinted) && (flags & tintNeeded))
1199	{
1200	rgba c (rgba::MAX_CC,rgba::MAX_CC,rgba::MAX_CC);
1201	if (flags & tintSet)
1202	tint.get (c);
1203	ShadeXImage (target, result, shade, c.r, c.g, c.b);
1204	}
1205	}
1206	# endif /* HAVE_AFTERIMAGE */
1207
1208	if (result)
1209	{
1210	GC gc = XCreateGC (target->dpy, target->vt, 0UL, NULL);
1211
1212	if (gc)
1213	{
1214	if (/*pmap_depth != target->depth &&*/ pixmap != None)
1215	{
1216	XFreePixmap (target->dpy, pixmap);
1217	pixmap = None;
1218	}
1219
1220	if (pixmap == None)
1221	{
1222	pixmap = XCreatePixmap (target->dpy, target->vt, result->width, result->height, target->depth);
1223	pmap_width = result->width;
1224	pmap_height = result->height;
1225	pmap_depth = target->depth;
1226	}
1227
1228	if (pmap_depth != result->depth)
1229	{
1230	/* Bad Match error will ensue ! stupid X !!!! */
1231	if (result->depth == 24 && pmap_depth == 32)
1232	result->depth = 32;
1233	else if (result->depth == 32 && pmap_depth == 24)
1234	result->depth = 24;
1235	else
1236	{
1237	/* TODO: implement image recoding */
1238	}
1239	}
1240
1241	if (pmap_depth == result->depth)
1242	XPutImage (target->dpy, pixmap, gc, result, 0, 0, 0, 0, result->width, result->height);
1243
1244	XFreeGC (target->dpy, gc);
1245	flags = flags & ~isInvalid;
1246	}
1247
1248	XDestroyImage (result);
1249	}
1250
1251	if (flags & isInvalid)
1252	{
1253	if (pixmap != None)	1403	if (bg_pixmap != None)
1254	{	1404	{
1255	XFreePixmap (target->dpy, pixmap);	1405	XFreePixmap (dpy, bg_pixmap);
1256	pixmap = None;	1406	bg_pixmap = None;
1257	}	1407	}
1258	}	1408	}
1259		1409
1260	apply ();	1410	scr_recolour (false);
		1411	bg_flags |= BG_NEEDS_REFRESH;
1261		1412
1262	XSync (target->dpy, False);
1263	valid_since = ev::now ();	1413	bg_valid_since = ev::now ();
1264
1265	TIMING_TEST_PRINT_RESULT (tp);
1266		1414
1267	return true;	1415	return true;
1268	}	1416	}
1269		1417
1270	bool
1271	bgPixmap_t::set_target (rxvt_term *new_target)
1272	{
1273	if (new_target)
1274	if (target != new_target)
1275	{
1276	target = new_target;
1277	# ifdef ENABLE_TRANSPARENCY
1278	root_depth = DefaultDepthOfScreen (ScreenOfDisplay (target->dpy, target->display->screen));
1279	# endif
1280	return true;
1281	}
1282
1283	return false;
1284	}
1285
1286	void	1418	void
1287	bgPixmap_t::apply ()	1419	rxvt_term::bg_init ()
1288	{	1420	{
1289	if (target)
1290	{
1291	flags &= ~isVtOrigin;
1292
1293	if (pixmap != None)
1294	{
1295	/* set target's background to pixmap */
1296	# ifdef ENABLE_TRANSPARENCY	1421	#ifdef ENABLE_TRANSPARENCY
1297	if (flags & isTransparent)	1422	shade = 100;
1298	{
1299	XSetWindowBackgroundPixmap (target->dpy, target->parent[0], pixmap);
1300	XSetWindowBackgroundPixmap (target->dpy, target->vt, ParentRelative);
1301
1302	if (target->scrollBar.win)
1303	XSetWindowBackgroundPixmap (target->dpy, target->scrollBar.win, ParentRelative);
1304	}
1305	else
1306	# endif	1423	#endif
1307	{
1308	flags |= isVtOrigin;
1309	/* force old pixmap dereference in case it was transparent before :*/
1310	XSetWindowBackground (target->dpy, target->parent[0], target->pix_colors[Color_border]);
1311	XSetWindowBackgroundPixmap (target->dpy, target->vt, pixmap);
1312	/* do we also need to set scrollbar's background here ? */
1313		1424
1314	if (target->scrollBar.win)	1425	bg_flags &= ~(BG_HAS_RENDER | BG_HAS_RENDER_CONV);
1315	XSetWindowBackground (target->dpy, target->scrollBar.win, target->pix_colors[Color_border]);	1426	#if XRENDER
1316	}	1427	int major, minor;
1317	}	1428	if (XRenderQueryVersion (dpy, &major, &minor))
1318	else	1429	bg_flags |= BG_HAS_RENDER;
1319	{	1430	XFilters *filters = XRenderQueryFilters (dpy, vt);
1320	/* set target background to a pixel */	1431	if (filters)
1321	XSetWindowBackground (target->dpy, target->parent[0], target->pix_colors[Color_border]);
1322	XSetWindowBackground (target->dpy, target->vt, target->pix_colors[Color_bg]);
1323	/* do we also need to set scrollbar's background here ? */
1324	if (target->scrollBar.win)
1325	XSetWindowBackground (target->dpy, target->scrollBar.win, target->pix_colors[Color_border]);
1326	}
1327
1328	/* don't want Expose on the parent or vt. It is better to use
1329	scr_touch or we get a great deal of flicker otherwise: */
1330	XClearWindow (target->dpy, target->parent[0]);
1331
1332	if (target->scrollBar.win)
1333	{
1334	target->scrollBar.state = STATE_IDLE;
1335	target->scrollBar.show (0);
1336	}
1337
1338	target->want_refresh = 1;
1339	flags |= hasChanged;
1340	}	1432	{
		1433	for (int i = 0; i < filters->nfilter; i++)
		1434	if (!strcmp (filters->filter[i], FilterConvolution))
		1435	bg_flags |= BG_HAS_RENDER_CONV;
		1436
		1437	XFree (filters);
		1438	}
		1439	#endif
1341	}	1440	}
1342		1441
1343	#endif /* HAVE_BG_PIXMAP */	1442	#endif /* HAVE_BG_PIXMAP */
1344		1443
1345	#if defined(ENABLE_TRANSPARENCY) && !defined(HAVE_AFTERIMAGE) && !XFT	1444	#if defined(ENABLE_TRANSPARENCY) && !defined(HAVE_AFTERIMAGE)
1346	/* taken from aterm-0.4.2 */	1445	/* taken from aterm-0.4.2 */
1347		1446
1348	typedef uint32_t RUINT32T;
1349
1350	static void	1447	static void
1351	ShadeXImage(rxvt_term *term, XImage* srcImage, int shade, int rm, int gm, int bm)	1448	shade_ximage (Visual *visual, XImage *ximage, int shade, const rgba &c)
1352	{	1449	{
1353	int sh_r, sh_g, sh_b;	1450	int sh_r, sh_g, sh_b;
1354	RUINT32T mask_r, mask_g, mask_b;	1451	uint32_t mask_r, mask_g, mask_b;
1355	RUINT32T *lookup, *lookup_r, *lookup_g, *lookup_b;	1452	uint32_t *lookup, *lookup_r, *lookup_g, *lookup_b;
1356	unsigned int lower_lim_r, lower_lim_g, lower_lim_b;	1453	rgba low;
1357	unsigned int upper_lim_r, upper_lim_g, upper_lim_b;	1454	rgba high;
1358	int i;	1455	int i;
		1456	int host_byte_order = ecb_big_endian () ? MSBFirst : LSBFirst;
1359		1457
1360	Visual *visual = term->visual;
1361
1362	if (visual->c_class != TrueColor || srcImage->format != ZPixmap) return ;	1458	if (visual->c_class != TrueColor || ximage->format != ZPixmap) return;
1363
1364	if (shade == 0)
1365	shade = 100;
1366		1459
1367	/* for convenience */	1460	/* for convenience */
1368	mask_r = visual->red_mask;	1461	mask_r = visual->red_mask;
1369	mask_g = visual->green_mask;	1462	mask_g = visual->green_mask;
1370	mask_b = visual->blue_mask;	1463	mask_b = visual->blue_mask;
1371		1464
1372	/* boring lookup table pre-initialization */	1465	/* boring lookup table pre-initialization */
1373	switch (srcImage->bits_per_pixel) {	1466	switch (ximage->depth)
		1467	{
1374	case 15:	1468	case 15:
1375	if ((mask_r != 0x7c00) ||	1469	if ((mask_r != 0x7c00) ||
1376	(mask_g != 0x03e0) ||	1470	(mask_g != 0x03e0) ||
1377	(mask_b != 0x001f))	1471	(mask_b != 0x001f))
1378	return;	1472	return;
1379	lookup = (RUINT32T *) malloc (sizeof (RUINT32T)*(32+32+32));	1473	lookup = (uint32_t *) malloc (sizeof (uint32_t)*(32+32+32));
1380	lookup_r = lookup;	1474	lookup_r = lookup;
1381	lookup_g = lookup+32;	1475	lookup_g = lookup+32;
1382	lookup_b = lookup+32+32;	1476	lookup_b = lookup+32+32;
1383	sh_r = 10;	1477	sh_r = 10;
1384	sh_g = 5;	1478	sh_g = 5;
1385	sh_b = 0;	1479	sh_b = 0;
1386	break;	1480	break;
1387	case 16:	1481	case 16:
1388	if ((mask_r != 0xf800) ||	1482	if ((mask_r != 0xf800) ||
1389	(mask_g != 0x07e0) ||	1483	(mask_g != 0x07e0) ||
1390	(mask_b != 0x001f))	1484	(mask_b != 0x001f))
1391	return;	1485	return;
1392	lookup = (RUINT32T *) malloc (sizeof (RUINT32T)*(32+64+32));	1486	lookup = (uint32_t *) malloc (sizeof (uint32_t)*(32+64+32));
1393	lookup_r = lookup;	1487	lookup_r = lookup;
1394	lookup_g = lookup+32;	1488	lookup_g = lookup+32;
1395	lookup_b = lookup+32+64;	1489	lookup_b = lookup+32+64;
1396	sh_r = 11;	1490	sh_r = 11;
1397	sh_g = 5;	1491	sh_g = 5;
1398	sh_b = 0;	1492	sh_b = 0;
1399	break;	1493	break;
1400	case 24:	1494	case 24:
1401	if ((mask_r != 0xff0000) ||	1495	if ((mask_r != 0xff0000) ||
1402	(mask_g != 0x00ff00) ||	1496	(mask_g != 0x00ff00) ||
1403	(mask_b != 0x0000ff))	1497	(mask_b != 0x0000ff))
1404	return;	1498	return;
1405	lookup = (RUINT32T *) malloc (sizeof (RUINT32T)*(256+256+256));	1499	lookup = (uint32_t *) malloc (sizeof (uint32_t)*(256+256+256));
1406	lookup_r = lookup;	1500	lookup_r = lookup;
1407	lookup_g = lookup+256;	1501	lookup_g = lookup+256;
1408	lookup_b = lookup+256+256;	1502	lookup_b = lookup+256+256;
1409	sh_r = 16;	1503	sh_r = 16;
1410	sh_g = 8;	1504	sh_g = 8;
1411	sh_b = 0;	1505	sh_b = 0;
1412	break;	1506	break;
1413	case 32:	1507	case 32:
1414	if ((mask_r != 0xff0000) ||	1508	if ((mask_r != 0xff0000) ||
1415	(mask_g != 0x00ff00) ||	1509	(mask_g != 0x00ff00) ||
1416	(mask_b != 0x0000ff))	1510	(mask_b != 0x0000ff))
1417	return;	1511	return;
1418	lookup = (RUINT32T *) malloc (sizeof (RUINT32T)*(256+256+256));	1512	lookup = (uint32_t *) malloc (sizeof (uint32_t)*(256+256+256));
1419	lookup_r = lookup;	1513	lookup_r = lookup;
1420	lookup_g = lookup+256;	1514	lookup_g = lookup+256;
1421	lookup_b = lookup+256+256;	1515	lookup_b = lookup+256+256;
1422	sh_r = 16;	1516	sh_r = 16;
1423	sh_g = 8;	1517	sh_g = 8;
1424	sh_b = 0;	1518	sh_b = 0;
1425	break;	1519	break;
1426	default:	1520	default:
1427	return; /* we do not support this color depth */	1521	return; /* we do not support this color depth */
1428	}	1522	}
1429		1523
1430	/* prepare limits for color transformation (each channel is handled separately) */	1524	/* prepare limits for color transformation (each channel is handled separately) */
1431	if (shade < 0) {	1525	if (shade > 100)
		1526	{
1432	shade = -shade;	1527	shade = 200 - shade;
1433	if (shade < 0) shade = 0;
1434	if (shade > 100) shade = 100;
1435		1528
1436	lower_lim_r = 65535-rm;	1529	high.r = c.r * shade / 100;
1437	lower_lim_g = 65535-gm;	1530	high.g = c.g * shade / 100;
1438	lower_lim_b = 65535-bm;	1531	high.b = c.b * shade / 100;
1439		1532
1440	lower_lim_r = 65535-(unsigned int)(((RUINT32T)lower_lim_r)*((RUINT32T)shade)/100);	1533	low.r = 65535 * (100 - shade) / 100;
1441	lower_lim_g = 65535-(unsigned int)(((RUINT32T)lower_lim_g)*((RUINT32T)shade)/100);	1534	low.g = 65535 * (100 - shade) / 100;
1442	lower_lim_b = 65535-(unsigned int)(((RUINT32T)lower_lim_b)*((RUINT32T)shade)/100);	1535	low.b = 65535 * (100 - shade) / 100;
1443
1444	upper_lim_r = upper_lim_g = upper_lim_b = 65535;
1445	} else {
1446	if (shade < 0) shade = 0;
1447	if (shade > 100) shade = 100;
1448
1449	lower_lim_r = lower_lim_g = lower_lim_b = 0;
1450
1451	upper_lim_r = (unsigned int)((((RUINT32T)rm)*((RUINT32T)shade))/100);
1452	upper_lim_g = (unsigned int)((((RUINT32T)gm)*((RUINT32T)shade))/100);
1453	upper_lim_b = (unsigned int)((((RUINT32T)bm)*((RUINT32T)shade))/100);
1454	}	1536	}
1455		1537	else
1456	/* switch red and blue bytes if necessary, we need it for some weird XServers like XFree86 3.3.3.1 */
1457	if ((srcImage->bits_per_pixel == 24) && (mask_r >= 0xFF0000 ))
1458	{	1538	{
1459	unsigned int tmp;	1539	high.r = c.r * shade / 100;
		1540	high.g = c.g * shade / 100;
		1541	high.b = c.b * shade / 100;
1460		1542
1461	tmp = lower_lim_r;	1543	low.r = low.g = low.b = 0;
1462	lower_lim_r = lower_lim_b;
1463	lower_lim_b = tmp;
1464
1465	tmp = upper_lim_r;
1466	upper_lim_r = upper_lim_b;
1467	upper_lim_b = tmp;
1468	}	1544	}
1469		1545
1470	/* fill our lookup tables */	1546	/* fill our lookup tables */
1471	for (i = 0; i <= mask_r>>sh_r; i++)	1547	for (i = 0; i <= mask_r>>sh_r; i++)
1472	{	1548	{
1473	RUINT32T tmp;	1549	uint32_t tmp;
1474	tmp = ((RUINT32T)i)*((RUINT32T)(upper_lim_r-lower_lim_r));	1550	tmp = i * high.r;
1475	tmp += ((RUINT32T)(mask_r>>sh_r))*((RUINT32T)lower_lim_r);	1551	tmp += (mask_r>>sh_r) * low.r;
1476	lookup_r[i] = (tmp/65535)<<sh_r;	1552	lookup_r[i] = (tmp/65535)<<sh_r;
1477	}	1553	}
1478	for (i = 0; i <= mask_g>>sh_g; i++)	1554	for (i = 0; i <= mask_g>>sh_g; i++)
1479	{	1555	{
1480	RUINT32T tmp;	1556	uint32_t tmp;
1481	tmp = ((RUINT32T)i)*((RUINT32T)(upper_lim_g-lower_lim_g));	1557	tmp = i * high.g;
1482	tmp += ((RUINT32T)(mask_g>>sh_g))*((RUINT32T)lower_lim_g);	1558	tmp += (mask_g>>sh_g) * low.g;
1483	lookup_g[i] = (tmp/65535)<<sh_g;	1559	lookup_g[i] = (tmp/65535)<<sh_g;
1484	}	1560	}
1485	for (i = 0; i <= mask_b>>sh_b; i++)	1561	for (i = 0; i <= mask_b>>sh_b; i++)
1486	{	1562	{
1487	RUINT32T tmp;	1563	uint32_t tmp;
1488	tmp = ((RUINT32T)i)*((RUINT32T)(upper_lim_b-lower_lim_b));	1564	tmp = i * high.b;
1489	tmp += ((RUINT32T)(mask_b>>sh_b))*((RUINT32T)lower_lim_b);	1565	tmp += (mask_b>>sh_b) * low.b;
1490	lookup_b[i] = (tmp/65535)<<sh_b;	1566	lookup_b[i] = (tmp/65535)<<sh_b;
1491	}	1567	}
1492		1568
1493	/* apply table to input image (replacing colors by newly calculated ones) */	1569	/* apply table to input image (replacing colors by newly calculated ones) */
1494	switch (srcImage->bits_per_pixel)	1570	if (ximage->bits_per_pixel == 32
		1571	&& (ximage->depth == 24 || ximage->depth == 32)
		1572	&& ximage->byte_order == host_byte_order)
1495	{	1573	{
1496	case 15:
1497	{
1498	unsigned short *p1, *pf, *p, *pl;	1574	uint32_t *p1, *pf, *p, *pl;
1499	p1 = (unsigned short *) srcImage->data;	1575	p1 = (uint32_t *) ximage->data;
1500	pf = (unsigned short *) (srcImage->data + srcImage->height * srcImage->bytes_per_line);	1576	pf = (uint32_t *) (ximage->data + ximage->height * ximage->bytes_per_line);
		1577
1501	while (p1 < pf)	1578	while (p1 < pf)
1502	{	1579	{
1503	p = p1;	1580	p = p1;
1504	pl = p1 + srcImage->width;	1581	pl = p1 + ximage->width;
1505	for (; p < pl; p++)	1582	for (; p < pl; p++)
1506	{	1583	{
1507	*p = lookup_r[(*p & 0x7c00)>>10] |
1508	lookup_g[(*p & 0x03e0)>> 5] |
1509	lookup_b[(*p & 0x001f)];
1510	}
1511	p1 = (unsigned short *) ((char *) p1 + srcImage->bytes_per_line);
1512	}
1513	break;
1514	}
1515	case 16:
1516	{
1517	unsigned short *p1, *pf, *p, *pl;
1518	p1 = (unsigned short *) srcImage->data;
1519	pf = (unsigned short *) (srcImage->data + srcImage->height * srcImage->bytes_per_line);
1520	while (p1 < pf)
1521	{
1522	p = p1;
1523	pl = p1 + srcImage->width;
1524	for (; p < pl; p++)
1525	{
1526	*p = lookup_r[(*p & 0xf800)>>11] |
1527	lookup_g[(*p & 0x07e0)>> 5] |
1528	lookup_b[(*p & 0x001f)];
1529	}
1530	p1 = (unsigned short *) ((char *) p1 + srcImage->bytes_per_line);
1531	}
1532	break;
1533	}
1534	case 24:
1535	{
1536	unsigned char *p1, *pf, *p, *pl;
1537	p1 = (unsigned char *) srcImage->data;
1538	pf = (unsigned char *) (srcImage->data + srcImage->height * srcImage->bytes_per_line);
1539	while (p1 < pf)
1540	{
1541	p = p1;
1542	pl = p1 + srcImage->width * 3;
1543	for (; p < pl; p += 3)
1544	{
1545	p[0] = lookup_r[(p[0] & 0xff0000)>>16];
1546	p[1] = lookup_r[(p[1] & 0x00ff00)>> 8];
1547	p[2] = lookup_r[(p[2] & 0x0000ff)];
1548	}
1549	p1 = (unsigned char *) ((char *) p1 + srcImage->bytes_per_line);
1550	}
1551	break;
1552	}
1553	case 32:
1554	{
1555	RUINT32T *p1, *pf, *p, *pl;
1556	p1 = (RUINT32T *) srcImage->data;
1557	pf = (RUINT32T *) (srcImage->data + srcImage->height * srcImage->bytes_per_line);
1558
1559	while (p1 < pf)
1560	{
1561	p = p1;
1562	pl = p1 + srcImage->width;
1563	for (; p < pl; p++)
1564	{
1565	*p = lookup_r[(*p & 0xff0000)>>16] |	1584	*p = lookup_r[(*p & 0xff0000) >> 16] |
1566	lookup_g[(*p & 0x00ff00)>> 8] |	1585	lookup_g[(*p & 0x00ff00) >> 8] |
1567	lookup_b[(*p & 0x0000ff)] |	1586	lookup_b[(*p & 0x0000ff)] |
1568	(*p & ~0xffffff);	1587	(*p & 0xff000000);
		1588	}
		1589	p1 = (uint32_t *) ((char *) p1 + ximage->bytes_per_line);
		1590	}
		1591	}
		1592	else
		1593	{
		1594	for (int y = 0; y < ximage->height; y++)
		1595	for (int x = 0; x < ximage->width; x++)
		1596	{
		1597	unsigned long pixel = XGetPixel (ximage, x, y);
		1598	pixel = lookup_r[(pixel & mask_r) >> sh_r] |
		1599	lookup_g[(pixel & mask_g) >> sh_g] |
		1600	lookup_b[(pixel & mask_b) >> sh_b];
		1601	XPutPixel (ximage, x, y, pixel);
1569	}	1602	}
1570	p1 = (RUINT32T *) ((char *) p1 + srcImage->bytes_per_line);
1571	}	1603	}
1572	break;
1573	}
1574	}
1575		1604
1576	free (lookup);	1605	free (lookup);
1577	}	1606	}
1578	#endif /* defined(ENABLE_TRANSPARENCY) && !defined(HAVE_AFTERIMAGE) */	1607	#endif /* defined(ENABLE_TRANSPARENCY) && !defined(HAVE_AFTERIMAGE) */

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