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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 1.161 by sf-exg, Thu Aug 11 08:39:10 2011 UTC

1	/*----------------------------------------------------------------------*	1	/*----------------------------------------------------------------------*
2	* File: background.C - former xpm.C	2	* File: background.C - former xpm.C
3	*----------------------------------------------------------------------*	3	*----------------------------------------------------------------------*
4	*	4	*
5	* All portions of code are copyright by their respective author/s.	5	* All portions of code are copyright by their respective author/s.
6	* Copyright (c) 2005-2006 Marc Lehmann <pcg@goof.com>	6	* Copyright (c) 2005-2008 Marc Lehmann <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	#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	54	void
104	bgPixmap_t::destroy ()	55	rxvt_term::bg_destroy ()
105	{	56	{
106	#ifdef HAVE_AFTERIMAGE	57	#ifdef HAVE_AFTERIMAGE
107	if (original_asim)	58	if (original_asim)
108	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);
109	#endif	64	#endif
110		65
111	if (pixmap && target)	66	#ifdef HAVE_PIXBUF
		67	if (pixbuf)
		68	g_object_unref (pixbuf);
		69	#endif
		70
		71	if (bg_pixmap)
112	XFreePixmap (target->dpy, pixmap);	72	XFreePixmap (dpy, bg_pixmap);
113	}	73	}
114		74
115	bool	75	bool
116	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 ()
117	{	91	{
118	# ifdef ENABLE_TRANSPARENCY	92	# ifdef ENABLE_TRANSPARENCY
119	if (flags & isTransparent)	93	if (bg_flags & BG_IS_TRANSPARENT)
120	return true;	94	return true;
121	# endif	95	# endif
122		96
123	# ifdef BG_IMAGE_FROM_FILE	97	# ifdef BG_IMAGE_FROM_FILE
124	# ifdef HAVE_AFTERIMAGE	98	if (bg_flags & BG_IS_FROM_FILE)
125	if (original_asim != NULL)
126	# endif
127	{	99	{
128	if (h_scale != 0 || v_scale != 0	100	if (bg_flags & BG_IS_SIZE_SENSITIVE)
129	|| h_align != 0 || v_align != 0)
130	return true;	101	return true;
131	}	102	}
132	# endif	103	# endif
133		104
134	return false;	105	return false;
135	}	106	}
136		107
137	bool	108	bool
138	bgPixmap_t::window_position_sensitive ()	109	rxvt_term::bg_window_position_sensitive ()
139	{	110	{
140	# ifdef ENABLE_TRANSPARENCY	111	# ifdef ENABLE_TRANSPARENCY
141	if (flags & isTransparent)	112	if (bg_flags & BG_IS_TRANSPARENT)
142	return true;	113	return true;
143	# endif	114	# endif
144		115
145	# ifdef BG_IMAGE_FROM_FILE	116	# ifdef BG_IMAGE_FROM_FILE
146	# ifdef HAVE_AFTERIMAGE	117	if (bg_flags & BG_IS_FROM_FILE)
147	if (original_asim != NULL)
148	# endif
149	{	118	{
150	if (h_align == rootAlign || v_align == rootAlign)	119	if (bg_flags & BG_ROOT_ALIGN)
151	return true;	120	return true;
152	}	121	}
153	# endif	122	# endif
154		123
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;	124	return false;
176	}	125	}
177		126
178	# ifdef BG_IMAGE_FROM_FILE	127	# ifdef BG_IMAGE_FROM_FILE
179	static inline bool	128	static inline bool
…		…
195	static inline bool	144	static inline bool
196	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)
197	{	146	{
198	if (geom_flags & flag)	147	if (geom_flags & flag)
199	{	148	{
200	if (new_value != bgPixmap_t::rootAlign)
201	{
202	if (new_value < -100)	149	if (new_value < -100)
203	new_value = -100;	150	new_value = -100;
204	else if (new_value > 200)	151	else if (new_value > 200)
205	new_value = 200;	152	new_value = 200;
206	}
207	if (new_value != align)	153	if (new_value != align)
208	{	154	{
209	align = new_value;	155	align = new_value;
210	return true;	156	return true;
211	}	157	}
…		…
215		161
216	static inline int	162	static inline int
217	make_align_position (int align, int window_size, int image_size)	163	make_align_position (int align, int window_size, int image_size)
218	{	164	{
219	int diff = window_size - image_size;	165	int diff = window_size - image_size;
220	int smaller = MIN (image_size,window_size);	166	int smaller = min (image_size, window_size);
221		167
222	if (align >= 0 && align <= 50)	168	if (align >= 0 && align <= 100)
223	return diff * align / 100;	169	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 )	170	else if (align > 100 && align <= 200)
227	return ((align - 100) * smaller / 100) + window_size - smaller;	171	return ((align - 100) * smaller / 100) + window_size - smaller;
228	else if (align > -100 && align < 0)	172	else if (align >= -100 && align < 0)
229	return ((align + 100) * smaller / 100) - image_size;	173	return ((align + 100) * smaller / 100) - image_size;
230	return 0;	174	return 0;
231	}	175	}
232		176
233	static inline int	177	static inline int
234	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)
235	{	179	{
236	int src_pos = 0;	180	int src_pos = 0;
237	dst_pos = 0;	181	dst_pos = pos;
238	dst_size = size;	182	dst_size = size;
239	if (pos < 0 && size > target_size)	183	if (pos < 0)
240	{	184	{
241	src_pos = -pos;	185	src_pos = -pos;
		186	dst_pos = 0;
242	dst_size += pos;	187	dst_size += pos;
243	}	188	}
244	else if (pos > 0)
245	dst_pos = pos;
246		189
247	if (dst_pos + dst_size > target_size)	190	if (dst_pos + dst_size > target_size)
248	dst_size = target_size - dst_pos;	191	dst_size = target_size - dst_pos;
249	return src_pos;	192	return src_pos;
250	}	193	}
251		194
252	bool	195	bool
253	bgPixmap_t::set_geometry (const char *geom)	196	rxvt_term::bg_set_geometry (const char *geom, bool update)
254	{	197	{
		198	bool changed = false;
255	int geom_flags = 0, changed = 0;	199	int geom_flags = 0;
256	int x = 0, y = 0;	200	int x = 0, y = 0;
257	unsigned int w = 0, h = 0;	201	unsigned int w = 0, h = 0;
258	unsigned int n;	202	unsigned int n;
259	unsigned long new_flags = (flags & (~geometryFlags));	203	unsigned long new_flags = (bg_flags & (~BG_GEOMETRY_FLAGS));
260	char *p;	204	const char *ops;
261	# define MAXLEN_GEOM 256 /* could be longer then regular geometry string */
262		205
263	if (geom == NULL)	206	if (geom == NULL)
264	return false;	207	return false;
265		208
266	char str[MAXLEN_GEOM];	209	char str[256];
267		210
268	while (isspace(*geom)) ++geom;
269	if ((p = strchr (geom, ';')) == NULL)
270	p = strchr (geom, '\0');	211	ops = strchr (geom, ':');
271		212	if (ops == NULL)
		213	n = strlen (geom);
		214	else
272	n = (p - geom);	215	n = ops - geom;
273	if (n < MAXLEN_GEOM)
274	{
275	char *ops;
276	new_flags |= geometrySet;
277		216
		217	if (n >= sizeof (str))
		218	return false;
		219
278	strncpy (str, geom, n);	220	memcpy (str, geom, n);
279	str[n] = '\0';	221	str[n] = '\0';
280	if (str[0] == ':')	222	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		223
296	if (ops > str || ops == NULL)	224	if (str[0])
297	{	225	{
298	/* 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 */
299	geom_flags = XParseGeometry (str, &x, &y, &w, &h);	227	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 */	228	} /* done parsing geometry string */
356	else if (!(flags & geometrySet))	229
357	{	230	if (!update)
358	/* default geometry - scaled and centered */	231	{
		232	if (!(geom_flags & XValue))
359	x = y = defaultAlign;	233	x = y = defaultAlign;
		234	else if (!(geom_flags & YValue))
		235	y = x;
		236
		237	if (!(geom_flags & (WidthValue|HeightValue)))
360	w = h = defaultScale;	238	w = h = defaultScale;
361	}	239	else if (!(geom_flags & HeightValue))
		240	h = w;
		241	else if (!(geom_flags & WidthValue))
		242	w = h;
362		243
363	if (!(flags & geometrySet))
364	geom_flags |= WidthValue|HeightValue|XValue|YValue;	244	geom_flags |= WidthValue|HeightValue|XValue|YValue;
		245	}
365		246
366	if (ops)	247	if (ops)
367	{	248	{
368	while (*ops)	249	char **arr = rxvt_strsplit (':', ops + 1);
		250
		251	for (int i = 0; arr[i]; i++)
369	{	252	{
370	while (*ops == ':' || isspace(*ops)) ++ops;	253	if (!strcasecmp (arr[i], "style=tiled"))
371	# define CHECK_GEOM_OPS(op_str) (strncasecmp (ops, (op_str), sizeof(op_str)-1) == 0)
372	if (CHECK_GEOM_OPS("tile"))
373	{	254	{
		255	new_flags = BG_TILE;
374	w = h = noScale;	256	w = h = noScale;
		257	x = y = 0;
		258	geom_flags = WidthValue|HeightValue|XValue|YValue;
		259	}
		260	else if (!strcasecmp (arr[i], "style=aspect-stretched"))
		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;
		275	w = h = noScale;
		276	x = y = centerAlign;
		277	geom_flags = WidthValue|HeightValue|XValue|YValue;
		278	}
		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;
		291
		292	// deprecated
		293	else if (!strcasecmp (arr[i], "tile"))
		294	{
		295	new_flags |= BG_TILE;
		296	w = h = noScale;
375	geom_flags |= WidthValue|HeightValue;	297	geom_flags |= WidthValue|HeightValue;
376	}	298	}
377	else if (CHECK_GEOM_OPS("propscale"))	299	else if (!strcasecmp (arr[i], "propscale"))
378	{	300	{
379	if (w == 0 && h == 0)	301	new_flags |= BG_PROP_SCALE;
380	{
381	w = windowScale;
382	geom_flags |= WidthValue;
383	}
384	new_flags |= propScale;
385	}	302	}
386	else if (CHECK_GEOM_OPS("hscale"))	303	else if (!strcasecmp (arr[i], "hscale"))
387	{	304	{
388	if (w == 0)
389	w = windowScale;	305	w = windowScale;
390	h = noScale;	306	h = noScale;
391	geom_flags |= WidthValue|HeightValue;	307	geom_flags |= WidthValue|HeightValue;
392	}	308	}
393	else if (CHECK_GEOM_OPS("vscale"))	309	else if (!strcasecmp (arr[i], "vscale"))
394	{	310	{
395	if (h == 0)
396	h = windowScale;	311	h = windowScale;
397	w = noScale;	312	w = noScale;
398	geom_flags |= WidthValue|HeightValue;	313	geom_flags |= WidthValue|HeightValue;
399	}	314	}
400	else if (CHECK_GEOM_OPS("scale"))	315	else if (!strcasecmp (arr[i], "scale"))
401	{	316	{
402	if (h == 0)
403	h = windowScale;	317	w = h = windowScale;
404	if (w == 0)
405	w = windowScale;
406	geom_flags |= WidthValue|HeightValue;	318	geom_flags |= WidthValue|HeightValue;
407	}	319	}
408	else if (CHECK_GEOM_OPS("auto"))	320	else if (!strcasecmp (arr[i], "auto"))
409	{	321	{
410	w = h = windowScale;	322	w = h = windowScale;
411	x = y = centerAlign;	323	x = y = centerAlign;
412	geom_flags |= WidthValue|HeightValue|XValue|YValue;	324	geom_flags |= WidthValue|HeightValue|XValue|YValue;
413	}	325	}
414	else if (CHECK_GEOM_OPS("root"))	326	else if (!strcasecmp (arr[i], "root"))
415	{	327	{
		328	new_flags |= BG_TILE|BG_ROOT_ALIGN;
416	w = h = noScale;	329	w = h = noScale;
417	x = y = rootAlign;
418	geom_flags |= WidthValue|HeightValue|XValue|YValue;	330	geom_flags |= WidthValue|HeightValue;
419	}	331	}
420	# undef CHECK_GEOM_OPS
421	while (*ops != ':' && *ops != '\0') ++ops;
422	} /* done parsing ops */	332	} /* done parsing ops */
423	}
424		333
		334	rxvt_free_strsplit (arr);
		335	}
		336
425	if (check_set_scale_value (geom_flags, WidthValue, h_scale, w))	337	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))	338	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))	339	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))	340	if (check_set_align_value (geom_flags, YValue, v_align, y)) changed = true;
432	++changed;
433	}
434		341
435	if (new_flags != flags)	342	if (new_flags != bg_flags)
436	{	343	{
437	flags = new_flags;	344	bg_flags = new_flags;
438	changed++;	345	changed = true;
439	}	346	}
440	//fprintf (stderr, "flags = %lX, scale = %ux%u, align=%+d%+d\n",	347
441	// flags, h_scale, v_scale, h_align, v_align);
442	return (changed > 0);	348	return changed;
		349	}
		350
		351	void
		352	rxvt_term::get_image_geometry (int image_width, int image_height, int &w, int &h, int &x, int &y)
		353	{
		354	int target_width = szHint.width;
		355	int target_height = szHint.height;
		356
		357	if (bg_flags & BG_PROP_SCALE)
		358	{
		359	float scale = (float)target_width / image_width;
		360	min_it (scale, (float)target_height / image_height);
		361	w = image_width * scale + 0.5;
		362	h = image_height * scale + 0.5;
		363	}
		364	else
		365	{
		366	w = h_scale * target_width / 100;
		367	h = v_scale * target_height / 100;
		368	}
		369
		370	if (!w) w = image_width;
		371	if (!h) h = image_height;
		372
		373	if (bg_flags & BG_ROOT_ALIGN)
		374	{
		375	x = -target_x;
		376	y = -target_y;
		377	}
		378	else
		379	{
		380	x = make_align_position (h_align, target_width, w);
		381	y = make_align_position (v_align, target_height, h);
		382	}
		383
		384	bg_flags &= ~BG_IS_SIZE_SENSITIVE;
		385	if (!(bg_flags & BG_TILE)
		386	|| (bg_flags & BG_PROP_SCALE) || h_scale || v_scale
		387	|| (!(bg_flags & BG_ROOT_ALIGN) && (h_align || v_align))
		388	|| w > target_width || h > target_height)
		389	bg_flags |= BG_IS_SIZE_SENSITIVE;
443	}	390	}
444		391
445	# ifdef HAVE_AFTERIMAGE	392	# ifdef HAVE_AFTERIMAGE
446	bool	393	bool
447	bgPixmap_t::render_asim (ASImage *background, ARGB32 background_tint)	394	rxvt_term::render_image (unsigned long tr_flags)
448	{	395	{
449	if (target == NULL)	396	init_asv ();
450	return false;
451		397
452	int target_width = (int)target->szHint.width;	398	ASImage *background = NULL;
453	int target_height = (int)target->szHint.height;	399	ARGB32 background_tint = TINT_LEAVE_SAME;
454	int new_pmap_width = target_width, new_pmap_height = target_height;	400
		401	# ifdef ENABLE_TRANSPARENCY
		402	if (tr_flags)
		403	background = pixmap2ximage (asv, bg_pixmap, 0, 0, bg_pmap_width, bg_pmap_height, AllPlanes, 100);
		404
		405	if (tr_flags & BG_NEEDS_TINT)
		406	{
		407	ShadingInfo as_shade;
		408	as_shade.shading = shade;
		409
		410	rgba c (rgba::MAX_CC,rgba::MAX_CC,rgba::MAX_CC);
		411	if (bg_flags & BG_TINT_SET)
		412	tint.get (c);
		413	as_shade.tintColor.red = c.r;
		414	as_shade.tintColor.green = c.g;
		415	as_shade.tintColor.blue = c.b;
		416
		417	background_tint = shading2tint32 (&as_shade);
		418	}
		419
		420	if ((tr_flags & BG_NEEDS_BLUR) && background != NULL)
		421	{
		422	ASImage *tmp = blur_asimage_gauss (asv, background, h_blurRadius, v_blurRadius, 0xFFFFFFFF,
		423	(original_asim == NULL || tint == TINT_LEAVE_SAME) ? ASA_XImage : ASA_ASImage,
		424	100, ASIMAGE_QUALITY_DEFAULT);
		425	if (tmp)
		426	{
		427	destroy_asimage (&background);
		428	background = tmp;
		429	}
		430	}
		431	# endif
		432
455	ASImage *result = NULL;	433	ASImage *result = 0;
		434
		435	int target_width = szHint.width;
		436	int target_height = szHint.height;
		437	int new_pmap_width = target_width;
		438	int new_pmap_height = target_height;
456		439
457	int x = 0;	440	int x = 0;
458	int y = 0;	441	int y = 0;
459	int w = h_scale * target_width / 100;	442	int w = 0;
460	int h = v_scale * target_height / 100;	443	int h = 0;
461
462	TIMING_TEST_START (asim);
463		444
464	if (original_asim)	445	if (original_asim)
465	{	446	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		447
478	if (original_asim == NULL	448	if (!original_asim
		449	|| (!(bg_flags & BG_ROOT_ALIGN)
479	|| x >= target_width	450	&& (x >= target_width
480	|| y >= target_height	451	|| y >= target_height
481	|| (w > 0 && x + w <= 0)	452	|| (x + w <= 0)
482	|| (h > 0 && y + h <= 0))	453	|| (y + h <= 0))))
483	{	454	{
484	if (background)	455	if (background)
485	{	456	{
486	new_pmap_width = background->width;	457	new_pmap_width = background->width;
487	new_pmap_height = background->height;	458	new_pmap_height = background->height;
488	result = background;	459	result = background;
		460
489	if (background_tint != TINT_LEAVE_SAME)	461	if (background_tint != TINT_LEAVE_SAME)
490	{	462	{
491	ASImage* tmp = tile_asimage (target->asv, background, 0, 0,	463	ASImage *tmp = tile_asimage (asv, background, 0, 0,
492	target_width, target_height, background_tint,	464	target_width, target_height, background_tint,
493	ASA_XImage, 100, ASIMAGE_QUALITY_DEFAULT);	465	ASA_XImage, 100, ASIMAGE_QUALITY_DEFAULT);
494	if (tmp)	466	if (tmp)
495	result = tmp;	467	result = tmp;
496	}	468	}
…		…
499	new_pmap_width = new_pmap_height = 0;	471	new_pmap_width = new_pmap_height = 0;
500	}	472	}
501	else	473	else
502	{	474	{
503	result = original_asim;	475	result = original_asim;
		476
504	if ((w > 0 && w != original_asim->width)	477	if ((w != original_asim->width)
505	|| (h > 0 && h != original_asim->height))	478	|| (h != original_asim->height))
506	{	479	{
507	result = scale_asimage (target->asv, original_asim,	480	result = scale_asimage (asv, original_asim,
508	w > 0 ? w : original_asim->width,	481	w, h,
509	h > 0 ? h : original_asim->height,
510	background ? ASA_ASImage : ASA_XImage,	482	background ? ASA_ASImage : ASA_XImage,
511	100, ASIMAGE_QUALITY_DEFAULT);	483	100, ASIMAGE_QUALITY_DEFAULT);
512	}	484	}
		485
513	if (background == NULL)	486	if (background == NULL)
514	{	487	{
		488	if (bg_flags & BG_TILE)
		489	{
515	/* if tiling - pixmap has to be sized exactly as the image,	490	/* if tiling - pixmap has to be sized exactly as the image,
516	but there is no need to make it bigger then the window! */	491	but there is no need to make it bigger than the window! */
517	if (h_scale == 0)
518	new_pmap_width = min (result->width, target_width);	492	new_pmap_width = min (result->width, target_width);
519	if (v_scale == 0)
520	new_pmap_height = min (result->height, target_height);	493	new_pmap_height = min (result->height, target_height);
		494
521	/* we also need to tile our image in one or both directions */	495	/* we also need to tile our image in both directions */
522	if (h_scale == 0 || v_scale == 0)
523	{
524	ASImage *tmp = tile_asimage (target->asv, result,	496	ASImage *tmp = tile_asimage (asv, result,
525	(h_scale > 0) ? 0 : (int)result->width - x,	497	(int)result->width - x,
526	(v_scale > 0) ? 0 : (int)result->height - y,	498	(int)result->height - y,
527	new_pmap_width,	499	new_pmap_width,
528	new_pmap_height,	500	new_pmap_height,
529	TINT_LEAVE_SAME, ASA_XImage,	501	TINT_LEAVE_SAME, ASA_XImage,
530	100, ASIMAGE_QUALITY_DEFAULT);	502	100, ASIMAGE_QUALITY_DEFAULT);
531	if (tmp)	503	if (tmp)
532	{	504	{
533	if (result != original_asim)	505	if (result != original_asim)
534	destroy_asimage (&result);	506	destroy_asimage (&result);
		507
535	result = tmp;	508	result = tmp;
536	}	509	}
537	}	510	}
538	}	511	}
539	else	512	else
540	{	513	{
541	/* if blending background and image - pixmap has to be sized same as target window */	514	/* if blending background and image - pixmap has to be sized same as target window */
542	ASImageLayer *layers = create_image_layers (2);	515	ASImageLayer *layers = create_image_layers (2);
543	ASImage *merged_im = NULL;
544		516
545	layers[0].im = background;	517	layers[0].im = background;
546	layers[0].clip_width = target_width;	518	layers[0].clip_width = target_width;
547	layers[0].clip_height = target_height;	519	layers[0].clip_height = target_height;
548	layers[0].tint = background_tint;	520	layers[0].tint = background_tint;
549	layers[1].im = result;	521	layers[1].im = result;
550	if (w <= 0)	522
		523	if (bg_flags & BG_TILE)
551	{	524	{
552	/* tile horizontally */	525	/* tile horizontally */
553	while (x > 0) x -= (int)result->width;	526	while (x > 0) x -= (int)result->width;
554	layers[1].dst_x = x;	527	layers[1].dst_x = x;
555	layers[1].clip_width = result->width+target_width;	528	layers[1].clip_width = result->width+target_width;
…		…
558	{	531	{
559	/* clip horizontally */	532	/* clip horizontally */
560	layers[1].dst_x = x;	533	layers[1].dst_x = x;
561	layers[1].clip_width = result->width;	534	layers[1].clip_width = result->width;
562	}	535	}
563	if (h <= 0)	536
		537	if (bg_flags & BG_TILE)
564	{	538	{
565	while (y > 0) y -= (int)result->height;	539	while (y > 0) y -= (int)result->height;
566	layers[1].dst_y = y;	540	layers[1].dst_y = y;
567	layers[1].clip_height = result->height + target_height;	541	layers[1].clip_height = result->height + target_height;
568	}	542	}
569	else	543	else
570	{	544	{
571	layers[1].dst_y = y;	545	layers[1].dst_y = y;
572	layers[1].clip_height = result->height;	546	layers[1].clip_height = result->height;
573	}	547	}
		548
574	if (target->rs[Rs_blendtype])	549	if (rs[Rs_blendtype])
575	{	550	{
576	layers[1].merge_scanlines = blend_scanlines_name2func (target->rs[Rs_blendtype]);	551	layers[1].merge_scanlines = blend_scanlines_name2func (rs[Rs_blendtype]);
577	if (layers[1].merge_scanlines == NULL)	552	if (layers[1].merge_scanlines == NULL)
578	layers[1].merge_scanlines = alphablend_scanlines;	553	layers[1].merge_scanlines = alphablend_scanlines;
579	}	554	}
		555
580	ASImage *tmp = merge_layers (target->asv, layers, 2, target_width, target_height,	556	ASImage *tmp = merge_layers (asv, layers, 2, target_width, target_height,
581	ASA_XImage, 0, ASIMAGE_QUALITY_DEFAULT);	557	ASA_XImage, 0, ASIMAGE_QUALITY_DEFAULT);
		558
582	if (tmp)	559	if (tmp)
583	{	560	{
584	if (result != original_asim)	561	if (result != original_asim)
585	destroy_asimage (&result);	562	destroy_asimage (&result);
		563
586	result = tmp;	564	result = tmp;
587	}	565	}
		566
588	free (layers);	567	free (layers);
589	}	568	}
590	}	569	}
591	TIMING_TEST_PRINT_RESULT (asim);
592		570
593	if (pixmap)	571	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		572
605	if (result)	573	if (result)
606	{	574	{
607	XGCValues gcv;	575	XGCValues gcv;
608	GC gc;	576	GC gc;
609		577
610	/* create Pixmap */	578	/* create Pixmap */
611	if (pixmap == None)	579	if (bg_pixmap == None
		580	|| bg_pmap_width != new_pmap_width
		581	|| bg_pmap_height != new_pmap_height)
612	{	582	{
		583	if (bg_pixmap)
		584	XFreePixmap (dpy, bg_pixmap);
613	pixmap = XCreatePixmap (target->dpy, target->vt, new_pmap_width, new_pmap_height, target->depth);	585	bg_pixmap = XCreatePixmap (dpy, vt, new_pmap_width, new_pmap_height, depth);
614	pmap_width = new_pmap_width;	586	bg_pmap_width = new_pmap_width;
615	pmap_height = new_pmap_height;	587	bg_pmap_height = new_pmap_height;
616	pmap_depth = target->depth;
617	}	588	}
618	/* fill with background color ( if result's not completely overlapping it)*/	589	/* fill with background color (if result's not completely overlapping it) */
619	gcv.foreground = target->pix_colors[Color_bg];	590	gcv.foreground = pix_colors[Color_bg];
620	gc = XCreateGC (target->dpy, target->vt, GCForeground, &gcv);	591	gc = XCreateGC (dpy, vt, GCForeground, &gcv);
621		592
622	int src_x = 0, src_y = 0, dst_x = 0, dst_y = 0;	593	int src_x = 0, src_y = 0, dst_x = 0, dst_y = 0;
623	int dst_width = result->width, dst_height = result->height;	594	int dst_width = result->width, dst_height = result->height;
624	if (background == NULL)	595	if (background == NULL)
625	{	596	{
626	if (h_scale > 0)	597	if (!(bg_flags & BG_TILE))
		598	{
627	src_x = make_clip_rectangle (x, result->width, new_pmap_width, dst_x, dst_width);	599	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);	600	src_y = make_clip_rectangle (y, result->height, new_pmap_height, dst_y, dst_height);
		601	}
630		602
631	if (dst_x > 0 || dst_y > 0	603	if (dst_x > 0 || dst_y > 0
632	|| dst_x + dst_width < new_pmap_width	604	|| dst_x + dst_width < new_pmap_width
633	|| dst_y + dst_height < new_pmap_height)	605	|| dst_y + dst_height < new_pmap_height)
634	{
635	XFillRectangle (target->dpy, pixmap, gc, 0, 0, new_pmap_width, new_pmap_height);	606	XFillRectangle (dpy, bg_pixmap, gc, 0, 0, new_pmap_width, new_pmap_height);
636	}
637	}	607	}
638		608
639	/* put result on pixmap */	609	/* put result on pixmap */
640	if (dst_x < new_pmap_width && dst_y < new_pmap_height)	610	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);	611	asimage2drawable (asv, bg_pixmap, result, gc, src_x, src_y, dst_x, dst_y, dst_width, dst_height, True);
642		612
643	if (result != background && result != original_asim)	613	if (result != background && result != original_asim)
644	destroy_asimage (&result);	614	destroy_asimage (&result);
645		615
646	XFreeGC (target->dpy, gc);	616	XFreeGC (dpy, gc);
647	TIMING_TEST_PRINT_RESULT (asim);	617
		618	ret = true;
		619	}
		620
		621	if (background)
		622	destroy_asimage (&background);
		623
		624	return ret;
		625	}
		626	# endif /* HAVE_AFTERIMAGE */
		627
		628	# ifdef HAVE_PIXBUF
		629	bool
		630	rxvt_term::pixbuf_to_pixmap (GdkPixbuf *pixbuf, Pixmap pixmap, GC gc,
		631	int src_x, int src_y, int dst_x, int dst_y,
		632	unsigned int width, unsigned int height)
		633	{
		634	XImage *ximage;
		635	char *data, *line;
		636	int bytes_per_pixel;
		637	int width_r, width_g, width_b;
		638	int sh_r, sh_g, sh_b;
		639	int rowstride;
		640	int channels;
		641	unsigned char *row;
		642
		643	if (visual->c_class != TrueColor)
		644	return false;
		645
		646	if (depth == 24 || depth == 32)
		647	bytes_per_pixel = 4;
		648	else if (depth == 15 || depth == 16)
		649	bytes_per_pixel = 2;
		650	else
		651	return false;
		652
		653	width_r = ecb_popcount32 (visual->red_mask);
		654	width_g = ecb_popcount32 (visual->green_mask);
		655	width_b = ecb_popcount32 (visual->blue_mask);
		656
		657	if (width_r > 8 || width_g > 8 || width_b > 8)
		658	return false;
		659
		660	sh_r = ecb_ctz32 (visual->red_mask);
		661	sh_g = ecb_ctz32 (visual->green_mask);
		662	sh_b = ecb_ctz32 (visual->blue_mask);
		663
		664	if (width > INT_MAX / height / bytes_per_pixel)
		665	return false;
		666
		667	data = (char *)malloc (width * height * bytes_per_pixel);
		668	if (!data)
		669	return false;
		670
		671	ximage = XCreateImage (dpy, visual, depth, ZPixmap, 0, data,
		672	width, height, bytes_per_pixel * 8, 0);
		673	if (!ximage)
648	}	674	{
		675	free (data);
		676	return false;
		677	}
649		678
		679	ximage->byte_order = ecb_big_endian () ? MSBFirst : LSBFirst;
		680
		681	rowstride = gdk_pixbuf_get_rowstride (pixbuf);
		682	channels = gdk_pixbuf_get_n_channels (pixbuf);
		683	row = gdk_pixbuf_get_pixels (pixbuf) + src_y * rowstride + src_x * channels;
		684	line = data;
		685
		686	for (int y = 0; y < height; y++)
		687	{
		688	for (int x = 0; x < width; x++)
		689	{
		690	unsigned char *pixel = row + x * channels;
		691	uint32_t value;
		692
		693	value = ((pixel[0] >> (8 - width_r)) << sh_r)
		694	| ((pixel[1] >> (8 - width_g)) << sh_g)
		695	| ((pixel[2] >> (8 - width_b)) << sh_b);
		696
		697	if (bytes_per_pixel == 4)
		698	((uint32_t *)line)[x] = value;
		699	else
		700	((uint16_t *)line)[x] = value;
		701	}
		702
		703	row += rowstride;
		704	line += ximage->bytes_per_line;
		705	}
		706
		707	XPutImage (dpy, pixmap, gc, ximage, 0, 0, dst_x, dst_y, width, height);
		708	XDestroyImage (ximage);
650	return true;	709	return true;
651	}	710	}
652	# endif /* HAVE_AFTERIMAGE */
653		711
654	bool	712	bool
655	bgPixmap_t::set_file (const char *file)	713	rxvt_term::render_image (unsigned long tr_flags)
656	{	714	{
657	char *f;	715	if (!pixbuf)
		716	return false;
658		717
659	assert (file != NULL);	718	if (tr_flags
		719	&& !(bg_flags & BG_HAS_RENDER))
		720	return false;
660		721
661	if (*file != '\0')	722	GdkPixbuf *result;
		723
		724	int image_width = gdk_pixbuf_get_width (pixbuf);
		725	int image_height = gdk_pixbuf_get_height (pixbuf);
		726
		727	int target_width = szHint.width;
		728	int target_height = szHint.height;
		729	int new_pmap_width = target_width;
		730	int new_pmap_height = target_height;
		731
		732	int x = 0;
		733	int y = 0;
		734	int w = 0;
		735	int h = 0;
		736
		737	get_image_geometry (image_width, image_height, w, h, x, y);
		738
		739	if (!(bg_flags & BG_ROOT_ALIGN)
		740	&& (x >= target_width
		741	|| y >= target_height
		742	|| (x + w <= 0)
		743	|| (y + h <= 0)))
		744	return false;
		745
		746	result = pixbuf;
		747
		748	if ((w != image_width)
		749	|| (h != image_height))
		750	{
		751	result = gdk_pixbuf_scale_simple (pixbuf,
		752	w, h,
		753	GDK_INTERP_BILINEAR);
662	{	754	}
		755
		756	if (!result)
		757	return false;
		758
		759	bool ret = false;
		760
		761	XGCValues gcv;
		762	GC gc;
		763	Pixmap root_pmap;
		764
		765	image_width = gdk_pixbuf_get_width (result);
		766	image_height = gdk_pixbuf_get_height (result);
		767
		768	if (tr_flags)
		769	{
		770	root_pmap = bg_pixmap;
		771	bg_pixmap = None;
		772	}
		773	else
		774	{
		775	if (bg_flags & BG_TILE)
		776	{
		777	new_pmap_width = min (image_width, target_width);
		778	new_pmap_height = min (image_height, target_height);
		779	}
		780	}
		781
		782	if (bg_pixmap == None
		783	|| bg_pmap_width != new_pmap_width
		784	|| bg_pmap_height != new_pmap_height)
		785	{
		786	if (bg_pixmap)
		787	XFreePixmap (dpy, bg_pixmap);
		788	bg_pixmap = XCreatePixmap (dpy, vt, new_pmap_width, new_pmap_height, depth);
		789	bg_pmap_width = new_pmap_width;
		790	bg_pmap_height = new_pmap_height;
		791	}
		792
		793	gcv.foreground = pix_colors[Color_bg];
		794	gc = XCreateGC (dpy, vt, GCForeground, &gcv);
		795
		796	if (gc)
		797	{
		798	if (bg_flags & BG_TILE)
		799	{
		800	Pixmap tile = XCreatePixmap (dpy, vt, image_width, image_height, depth);
		801	pixbuf_to_pixmap (result, tile, gc,
		802	0, 0,
		803	0, 0,
		804	image_width, image_height);
		805
		806	gcv.tile = tile;
		807	gcv.fill_style = FillTiled;
		808	gcv.ts_x_origin = x;
		809	gcv.ts_y_origin = y;
		810	XChangeGC (dpy, gc, GCFillStyle | GCTile | GCTileStipXOrigin | GCTileStipYOrigin, &gcv);
		811
		812	XFillRectangle (dpy, bg_pixmap, gc, 0, 0, new_pmap_width, new_pmap_height);
		813	XFreePixmap (dpy, tile);
		814	}
		815	else
		816	{
		817	int src_x, src_y, dst_x, dst_y;
		818	int dst_width, dst_height;
		819
		820	src_x = make_clip_rectangle (x, image_width , new_pmap_width , dst_x, dst_width );
		821	src_y = make_clip_rectangle (y, image_height, new_pmap_height, dst_y, dst_height);
		822
		823	if (dst_x > 0 || dst_y > 0
		824	|| dst_x + dst_width < new_pmap_width
		825	|| dst_y + dst_height < new_pmap_height)
		826	XFillRectangle (dpy, bg_pixmap, gc, 0, 0, new_pmap_width, new_pmap_height);
		827
		828	if (dst_x < new_pmap_width && dst_y < new_pmap_height)
		829	pixbuf_to_pixmap (result, bg_pixmap, gc,
		830	src_x, src_y,
		831	dst_x, dst_y,
		832	dst_width, dst_height);
		833	}
		834
		835	#if XRENDER
		836	if (tr_flags)
		837	{
		838	XRenderPictureAttributes pa;
		839
		840	XRenderPictFormat *src_format = XRenderFindVisualFormat (dpy, visual);
		841	Picture src = XRenderCreatePicture (dpy, root_pmap, src_format, 0, &pa);
		842
		843	XRenderPictFormat *dst_format = XRenderFindVisualFormat (dpy, visual);
		844	Picture dst = XRenderCreatePicture (dpy, bg_pixmap, dst_format, 0, &pa);
		845
		846	pa.repeat = True;
		847	Pixmap mask_pmap = XCreatePixmap (dpy, vt, 1, 1, 8);
		848	XRenderPictFormat *mask_format = XRenderFindStandardFormat (dpy, PictStandardA8);
		849	Picture mask = XRenderCreatePicture (dpy, mask_pmap, mask_format, CPRepeat, &pa);
		850	XFreePixmap (dpy, mask_pmap);
		851
		852	XRenderColor mask_c;
		853
		854	mask_c.alpha = 0x8000;
		855	mask_c.red = 0;
		856	mask_c.green = 0;
		857	mask_c.blue = 0;
		858	XRenderFillRectangle (dpy, PictOpSrc, mask, &mask_c, 0, 0, 1, 1);
		859	XRenderComposite (dpy, PictOpOver, src, mask, dst, 0, 0, 0, 0, 0, 0, target_width, target_height);
		860
		861	XRenderFreePicture (dpy, src);
		862	XRenderFreePicture (dpy, dst);
		863	XRenderFreePicture (dpy, mask);
		864	}
		865	#endif
		866
		867	XFreeGC (dpy, gc);
		868
		869	ret = true;
		870	}
		871
		872	if (result != pixbuf)
		873	g_object_unref (result);
		874
		875	if (tr_flags)
		876	XFreePixmap (dpy, root_pmap);
		877
		878	return ret;
		879	}
		880	# endif /* HAVE_PIXBUF */
		881
		882	bool
		883	rxvt_term::bg_set_file (const char *file)
		884	{
		885	if (!file || !*file)
		886	return false;
		887
		888	if (const char *p = strchr (file, ';'))
		889	{
		890	size_t len = p - file;
		891	char *f = rxvt_temp_buf<char> (len + 1);
		892	memcpy (f, file, len);
		893	f[len] = '\0';
		894	file = f;
		895	}
		896
663	# ifdef HAVE_AFTERIMAGE	897	# ifdef HAVE_AFTERIMAGE
664	if (target->asimman == NULL)	898	if (!asimman)
665	target->asimman = create_generic_imageman (target->rs[Rs_path]);	899	asimman = create_generic_imageman (rs[Rs_path]);
666	if ((f = strchr (file, ';')) == NULL)
667	original_asim = get_asimage (target->asimman, file, 0xFFFFFFFF, 100);	900	ASImage *image = get_asimage (asimman, file, 0xFFFFFFFF, 100);
668	else	901	if (image)
669	{	902	{
670	size_t len = f - file;	903	if (original_asim)
671	f = (char *)malloc (len + 1);	904	safe_asimage_destroy (original_asim);
672	strncpy (f, file, len);	905	original_asim = image;
673	f[len] = '\0';	906	bg_flags |= BG_IS_FROM_FILE | BG_CLIENT_RENDER;
674	original_asim = get_asimage (target->asimman, f, 0xFFFFFFFF, 100);	907	return true;
675	free (f);	908	}
676	}
677	return (original_asim != NULL);
678	# endif	909	# endif
		910
		911	# ifdef HAVE_PIXBUF
		912	GdkPixbuf *image = gdk_pixbuf_new_from_file (file, NULL);
		913	if (image)
679	}	914	{
		915	if (pixbuf)
		916	g_object_unref (pixbuf);
		917	pixbuf = image;
		918	bg_flags |= BG_IS_FROM_FILE;
		919	return true;
		920	}
		921	# endif
		922
680	return false;	923	return false;
681	}	924	}
682		925
683	# endif /* BG_IMAGE_FROM_FILE */	926	# endif /* BG_IMAGE_FROM_FILE */
684		927
685	# ifdef ENABLE_TRANSPARENCY	928	# ifdef ENABLE_TRANSPARENCY
686	bool	929	bool
687	bgPixmap_t::set_transparent ()	930	rxvt_term::bg_set_transparent ()
688	{	931	{
689	if (!(flags & isTransparent))	932	if (!(bg_flags & BG_IS_TRANSPARENT))
690	{	933	{
691	flags |= isTransparent;	934	bg_flags |= BG_IS_TRANSPARENT;
692	return true;	935	return true;
693	}	936	}
		937
694	return false;	938	return false;
695	}	939	}
696		940
697	bool	941	bool
698	bgPixmap_t::set_blur_radius (const char *geom)	942	rxvt_term::bg_set_blur (const char *geom)
699	{	943	{
700	int changed = 0;	944	bool changed = false;
701	unsigned int hr, vr;	945	unsigned int hr, vr;
702	int junk;	946	int junk;
703	int geom_flags = XParseGeometry (geom, &junk, &junk, &hr, &vr);	947	int geom_flags = XParseGeometry (geom, &junk, &junk, &hr, &vr);
704		948
705	if (!(geom_flags&WidthValue))	949	if (!(geom_flags & WidthValue))
706	hr = 1;	950	hr = 1;
707	if (!(geom_flags&HeightValue))	951	if (!(geom_flags & HeightValue))
708	vr = hr;	952	vr = hr;
709		953
		954	min_it (hr, 128);
		955	min_it (vr, 128);
		956
710	if (h_blurRadius != hr)	957	if (h_blurRadius != hr)
711	{	958	{
712	++changed;	959	changed = true;
713	h_blurRadius = hr;	960	h_blurRadius = hr;
714	}	961	}
715		962
716	if (v_blurRadius != vr)	963	if (v_blurRadius != vr)
717	{	964	{
718	++changed;	965	changed = true;
719	v_blurRadius = vr;	966	v_blurRadius = vr;
720	}	967	}
721		968
722	if (v_blurRadius == 0 && h_blurRadius == 0)	969	if (v_blurRadius == 0 && h_blurRadius == 0)
723	flags &= ~blurNeeded;	970	bg_flags &= ~BG_NEEDS_BLUR;
724	else	971	else
725	flags |= blurNeeded;	972	bg_flags |= BG_NEEDS_BLUR;
726		973
727	return (changed>0);	974	return changed;
728	}	975	}
729		976
730	static inline unsigned long	977	void
731	compute_tint_shade_flags (rxvt_color *tint, int shade)	978	rxvt_term::set_tint_shade_flags ()
732	{	979	{
733	unsigned long flags = 0;
734	rgba c (rgba::MAX_CC,rgba::MAX_CC,rgba::MAX_CC);	980	rgba c (rgba::MAX_CC,rgba::MAX_CC,rgba::MAX_CC);
735	bool has_shade = (shade > 0 && shade < 100) || (shade > 100 && shade < 200);	981	bool has_shade = shade != 100;
736		982
737	if (tint)	983	bg_flags &= ~BG_TINT_FLAGS;
		984
		985	if (bg_flags & BG_TINT_SET)
738	{	986	{
739	tint->get (c);	987	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)	988	if (!has_shade
749	flags |= bgPixmap_t::tintNeeded;	989	&& (c.r <= 0x00ff || c.r >= 0xff00)
750	else if (tint)	990	&& (c.g <= 0x00ff || c.g >= 0xff00)
		991	&& (c.b <= 0x00ff || c.b >= 0xff00))
		992	bg_flags |= BG_TINT_BITAND;
751	{	993	}
752	if ((c.r > 0x000700 || c.g > 0x000700 || c.b > 0x000700)	994
753	&& (c.r < 0x00f700 || c.g < 0x00f700 || c.b < 0x00f700))	995	if (has_shade || (bg_flags & BG_TINT_SET))
		996	bg_flags |= BG_NEEDS_TINT;
		997	}
		998
		999	bool
		1000	rxvt_term::bg_set_tint (rxvt_color &new_tint)
		1001	{
		1002	if (!(bg_flags & BG_TINT_SET) || tint != new_tint)
		1003	{
		1004	tint = new_tint;
		1005	bg_flags |= BG_TINT_SET;
		1006	set_tint_shade_flags ();
		1007	return true;
		1008	}
		1009
		1010	return false;
		1011	}
		1012
		1013	bool
		1014	rxvt_term::bg_set_shade (const char *shade_str)
		1015	{
		1016	int new_shade = (shade_str) ? atoi (shade_str) : 100;
		1017
		1018	clamp_it (new_shade, -100, 200);
		1019	if (new_shade < 0)
		1020	new_shade = 200 - (100 + new_shade);
		1021
		1022	if (new_shade != shade)
		1023	{
		1024	shade = new_shade;
		1025	set_tint_shade_flags ();
		1026	return true;
		1027	}
		1028
		1029	return false;
		1030	}
		1031
		1032	#if XRENDER
		1033	static void
		1034	get_gaussian_kernel (int radius, int width, double *kernel, XFixed *params)
		1035	{
		1036	double sigma = radius / 2.0;
		1037	double scale = sqrt (2.0 * M_PI) * sigma;
		1038	double sum = 0.0;
		1039
		1040	for (int i = 0; i < width; i++)
		1041	{
		1042	double x = i - width / 2;
		1043	kernel[i] = exp (-(x * x) / (2.0 * sigma * sigma)) / scale;
		1044	sum += kernel[i];
		1045	}
		1046
		1047	params[0] = XDoubleToFixed (width);
		1048	params[1] = XDoubleToFixed (1);
		1049
		1050	for (int i = 0; i < width; i++)
		1051	params[i+2] = XDoubleToFixed (kernel[i] / sum);
		1052	}
		1053	#endif
		1054
		1055	bool
		1056	rxvt_term::blur_pixmap (Pixmap pixmap, Visual *visual, int width, int height)
		1057	{
		1058	bool ret = false;
		1059	#if XRENDER
		1060	int size = max (h_blurRadius, v_blurRadius) * 2 + 1;
		1061	double *kernel = (double *)malloc (size * sizeof (double));
		1062	XFixed *params = (XFixed *)malloc ((size + 2) * sizeof (XFixed));
		1063
		1064	XRenderPictureAttributes pa;
		1065	XRenderPictFormat *format = XRenderFindVisualFormat (dpy, visual);
		1066
		1067	Picture src = XRenderCreatePicture (dpy, pixmap, format, 0, &pa);
		1068	Picture dst = XRenderCreatePicture (dpy, pixmap, format, 0, &pa);
		1069
		1070	if (kernel && params)
		1071	{
		1072	if (h_blurRadius)
754	{	1073	{
755	flags |= bgPixmap_t::tintNeeded;	1074	size = h_blurRadius * 2 + 1;
		1075	get_gaussian_kernel (h_blurRadius, size, kernel, params);
		1076
		1077	XRenderSetPictureFilter (dpy, src, FilterConvolution, params, size+2);
		1078	XRenderComposite (dpy,
		1079	PictOpSrc,
		1080	src,
		1081	None,
		1082	dst,
		1083	0, 0,
		1084	0, 0,
		1085	0, 0,
		1086	width, height);
756	}	1087	}
757	}
758		1088
759	if (flags & bgPixmap_t::tintNeeded)	1089	if (v_blurRadius)
		1090	{
		1091	size = v_blurRadius * 2 + 1;
		1092	get_gaussian_kernel (v_blurRadius, size, kernel, params);
		1093	::swap (params[0], params[1]);
		1094
		1095	XRenderSetPictureFilter (dpy, src, FilterConvolution, params, size+2);
		1096	XRenderComposite (dpy,
		1097	PictOpSrc,
		1098	src,
		1099	None,
		1100	dst,
		1101	0, 0,
		1102	0, 0,
		1103	0, 0,
		1104	width, height);
		1105	}
		1106
		1107	ret = true;
760	{	1108	}
761	if (flags & bgPixmap_t::tintWholesome)	1109
762	flags |= bgPixmap_t::tintServerSide;	1110	free (kernel);
		1111	free (params);
		1112	XRenderFreePicture (dpy, src);
		1113	XRenderFreePicture (dpy, dst);
		1114	#endif
		1115	return ret;
		1116	}
		1117
		1118	bool
		1119	rxvt_term::tint_pixmap (Pixmap pixmap, Visual *visual, int width, int height)
		1120	{
		1121	bool ret = false;
		1122
		1123	if (bg_flags & BG_TINT_BITAND)
		1124	{
		1125	XGCValues gcv;
		1126	GC gc;
		1127
		1128	/* In this case we can tint image server-side getting significant
		1129	* performance improvements, as we eliminate XImage transfer
		1130	*/
		1131	gcv.foreground = Pixel (tint);
		1132	gcv.function = GXand;
		1133	gcv.fill_style = FillSolid;
		1134	gc = XCreateGC (dpy, pixmap, GCFillStyle | GCForeground | GCFunction, &gcv);
		1135	if (gc)
		1136	{
		1137	XFillRectangle (dpy, pixmap, gc, 0, 0, width, height);
		1138	ret = true;
		1139	XFreeGC (dpy, gc);
		1140	}
		1141	}
		1142	else
		1143	{
		1144	# if XRENDER
		1145	rgba c (rgba::MAX_CC, rgba::MAX_CC, rgba::MAX_CC);
		1146
		1147	if (bg_flags & BG_TINT_SET)
		1148	tint.get (c);
		1149
		1150	if (shade <= 100)
		1151	{
		1152	c.r = c.r * shade / 100;
		1153	c.g = c.g * shade / 100;
		1154	c.b = c.b * shade / 100;
		1155	}
763	else	1156	else
764	{	1157	{
765	#if XFT	1158	c.r = c.r * (200 - shade) / 100;
766	flags |= bgPixmap_t::tintServerSide;	1159	c.g = c.g * (200 - shade) / 100;
767	#endif	1160	c.b = c.b * (200 - shade) / 100;
		1161	}
		1162
		1163	XRenderPictFormat *solid_format = XRenderFindStandardFormat (dpy, PictStandardARGB32);
		1164	XRenderPictFormat *format = XRenderFindVisualFormat (dpy, visual);
		1165	XRenderPictureAttributes pa;
		1166
		1167	Picture back_pic = XRenderCreatePicture (dpy, pixmap, format, 0, &pa);
		1168
		1169	pa.repeat = True;
		1170
		1171	Pixmap overlay_pmap = XCreatePixmap (dpy, pixmap, 1, 1, 32);
		1172	Picture overlay_pic = XRenderCreatePicture (dpy, overlay_pmap, solid_format, CPRepeat, &pa);
		1173	XFreePixmap (dpy, overlay_pmap);
		1174
		1175	pa.component_alpha = True;
		1176	Pixmap mask_pmap = XCreatePixmap (dpy, pixmap, 1, 1, 32);
		1177	Picture mask_pic = XRenderCreatePicture (dpy, mask_pmap, solid_format, CPRepeat | CPComponentAlpha, &pa);
		1178	XFreePixmap (dpy, mask_pmap);
		1179
		1180	XRenderColor mask_c;
		1181
		1182	mask_c.alpha = 0xffff;
		1183	mask_c.red =
		1184	mask_c.green =
		1185	mask_c.blue = 0;
		1186	XRenderFillRectangle (dpy, PictOpSrc, overlay_pic, &mask_c, 0, 0, 1, 1);
		1187
		1188	mask_c.alpha = 0;
		1189	mask_c.red = 0xffff - c.r;
		1190	mask_c.green = 0xffff - c.g;
		1191	mask_c.blue = 0xffff - c.b;
		1192	XRenderFillRectangle (dpy, PictOpSrc, mask_pic, &mask_c, 0, 0, 1, 1);
		1193	XRenderComposite (dpy, PictOpOver, overlay_pic, mask_pic, back_pic, 0, 0, 0, 0, 0, 0, width, height);
		1194
		1195	if (shade > 100)
768	}	1196	{
769	}	1197	mask_c.red = mask_c.green = mask_c.blue = 0xffff * (shade - 100) / 100;
		1198	mask_c.alpha = 0;
		1199	XRenderFillRectangle (dpy, PictOpSrc, overlay_pic, &mask_c, 0, 0, 1, 1);
770		1200
771	return flags;	1201	XRenderComposite (dpy, PictOpOver, overlay_pic, None, back_pic, 0, 0, 0, 0, 0, 0, width, height);
772	}	1202	}
773		1203
774	bool
775	bgPixmap_t::set_tint (rxvt_color &new_tint)
776	{
777	if (tint != new_tint)
778	{
779	unsigned long new_flags = compute_tint_shade_flags (&new_tint, shade);
780	tint = new_tint;
781	flags = (flags & ~tintFlags) | new_flags | tintSet;
782	return true;	1204	ret = true;
783	}
784	return false;
785	}
786		1205
787	bool	1206	XRenderFreePicture (dpy, mask_pic);
788	bgPixmap_t::unset_tint ()	1207	XRenderFreePicture (dpy, overlay_pic);
789	{	1208	XRenderFreePicture (dpy, back_pic);
790	unsigned long new_flags = compute_tint_shade_flags (NULL, shade);	1209	# endif
791
792	if (new_flags != (flags & tintFlags))
793	{	1210	}
794	flags = (flags&~tintFlags)|new_flags;	1211
795	return true;
796	}
797	return false;	1212	return ret;
798	}	1213	}
799		1214
800	bool	1215	/*
801	bgPixmap_t::set_shade (const char *shade_str)	1216	* Builds a pixmap of the same size as the terminal window that contains
802	{
803	int new_shade = (shade_str) ? atoi (shade_str) : 0;
804
805	if (new_shade < 0 && new_shade > -100)
806	new_shade = 200 - (100 + new_shade);
807	else if (new_shade == 100)
808	new_shade = 0;
809
810	if (new_shade != shade)
811	{
812	unsigned long new_flags = compute_tint_shade_flags ((flags & tintSet) ? &tint : NULL, new_shade);
813	shade = new_shade;
814	flags = (flags & (~tintFlags | tintSet)) | new_flags;
815	return true;
816	}
817	return false;
818	}
819
820	/* make_transparency_pixmap()
821	* Builds a pixmap sized the same as terminal window, with depth same as the root window
822	* that pixmap contains tiled portion of the root pixmap that is supposed to be covered by	1217	* the tiled portion of the root pixmap that is supposed to be covered by
823	* our window.	1218	* our window.
824	*/	1219	*/
825	unsigned long	1220	unsigned long
826	bgPixmap_t::make_transparency_pixmap ()	1221	rxvt_term::make_transparency_pixmap ()
827	{	1222	{
828	unsigned long result = 0;	1223	unsigned long result = 0;
829		1224
830	if (target == NULL)
831	return 0;
832
833	/* root dimentions may change from call to call - but Display structure should	1225	/* root dimensions may change from call to call - but Display structure should
834	* be always up-to-date, so let's use it :	1226	* be always up-to-date, so let's use it :
835	*/	1227	*/
836	Window root = target->display->root;
837	int screen = target->display->screen;	1228	int screen = display->screen;
838	Display *dpy = target->dpy;	1229	int root_depth = DefaultDepth (dpy, screen);
839	int root_width = DisplayWidth (dpy, screen);	1230	int root_width = DisplayWidth (dpy, screen);
840	int root_height = DisplayHeight (dpy, screen);	1231	int root_height = DisplayHeight (dpy, screen);
841	unsigned int root_pmap_width, root_pmap_height;	1232	unsigned int root_pmap_width, root_pmap_height;
842	int window_width = target->szHint.width;	1233	int window_width = szHint.width;
843	int window_height = target->szHint.height;	1234	int window_height = szHint.height;
844	int sx, sy;	1235	int sx, sy;
845	XGCValues gcv;	1236	XGCValues gcv;
		1237	GC gc;
846		1238
847	TIMING_TEST_START (tp);	1239	sx = target_x;
848	target->get_window_origin (sx, sy);	1240	sy = target_y;
849		1241
850	/* check if we are outside of the visible part of the virtual screen : */	1242	/* check if we are outside of the visible part of the virtual screen : */
851	if (sx + window_width <= 0 || sy + window_height <= 0	1243	if (sx + window_width <= 0 || sy + window_height <= 0
852	|| sx >= root_width || sy >= root_height)	1244	|| sx >= root_width || sy >= root_height)
853	return 0;	1245	return 0;
854		1246
		1247	// validate root pixmap and get its size
855	if (root_pixmap != None)	1248	if (root_pixmap != None)
856	{	1249	{
857	/* we want to validate the pixmap and get it's size at the same time : */	1250	Window wdummy;
858	int junk;	1251	int idummy;
859	unsigned int ujunk;	1252	unsigned int udummy;
860	/* root pixmap may be bad - allow a error */	1253
861	target->allowedxerror = -1;	1254	allowedxerror = -1;
862		1255
863	if (!XGetGeometry (dpy, root_pixmap, &root, &junk, &junk, &root_pmap_width, &root_pmap_height, &ujunk, &ujunk))	1256	if (!XGetGeometry (dpy, root_pixmap, &wdummy, &idummy, &idummy, &root_pmap_width, &root_pmap_height, &udummy, &udummy))
864	root_pixmap = None;	1257	root_pixmap = None;
865		1258
866	target->allowedxerror = 0;	1259	allowedxerror = 0;
		1260	}
		1261
		1262	Pixmap recoded_root_pmap = root_pixmap;
		1263
		1264	if (root_pixmap != None && root_depth != depth)
867	}	1265	{
		1266	#if XRENDER
		1267	if (bg_flags & BG_HAS_RENDER)
		1268	{
		1269	recoded_root_pmap = XCreatePixmap (dpy, vt, root_pmap_width, root_pmap_height, depth);
868		1270
869	Pixmap tiled_root_pmap = XCreatePixmap (dpy, root, window_width, window_height, root_depth);	1271	XRenderPictureAttributes pa;
870	GC gc = NULL;
871		1272
872	if (tiled_root_pmap == None) /* something really bad happened - abort */	1273	XRenderPictFormat *src_format = XRenderFindVisualFormat (dpy, DefaultVisual (dpy, screen));
		1274	Picture src = XRenderCreatePicture (dpy, root_pixmap, src_format, 0, &pa);
		1275
		1276	XRenderPictFormat *dst_format = XRenderFindVisualFormat (dpy, visual);
		1277	Picture dst = XRenderCreatePicture (dpy, recoded_root_pmap, dst_format, 0, &pa);
		1278
		1279	XRenderComposite (dpy, PictOpSrc, src, None, dst, 0, 0, 0, 0, 0, 0, root_pmap_width, root_pmap_height);
		1280
		1281	XRenderFreePicture (dpy, src);
		1282	XRenderFreePicture (dpy, dst);
		1283	}
		1284	else
		1285	#endif
		1286	recoded_root_pmap = None;
		1287	}
		1288
		1289	if (recoded_root_pmap == None)
873	return 0;	1290	return 0;
874		1291
875	if (root_pixmap == None)	1292	if (bg_pixmap == None
876	{	1293	|| bg_pmap_width != window_width
877	/* use tricks to obtain the root background image :*/	1294	|| bg_pmap_height != window_height)
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
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	}	1295	{
929	else	1296	if (bg_pixmap)
		1297	XFreePixmap (dpy, bg_pixmap);
		1298	bg_pixmap = XCreatePixmap (dpy, vt, window_width, window_height, depth);
		1299	bg_pmap_width = window_width;
		1300	bg_pmap_height = window_height;
930	{	1301	}
		1302
931	/* strightforward pixmap copy */	1303	/* straightforward pixmap copy */
		1304	while (sx < 0) sx += root_width;
		1305	while (sy < 0) sy += root_height;
		1306
932	gcv.tile = root_pixmap;	1307	gcv.tile = recoded_root_pmap;
933	gcv.fill_style = FillTiled;	1308	gcv.fill_style = FillTiled;
934
935	while (sx < 0) sx += (int)root_width;
936	while (sy < 0) sy += (int)root_height;
937
938	gcv.ts_x_origin = -sx;	1309	gcv.ts_x_origin = -sx;
939	gcv.ts_y_origin = -sy;	1310	gcv.ts_y_origin = -sy;
940	gc = XCreateGC (dpy, root, GCFillStyle | GCTile | GCTileStipXOrigin | GCTileStipYOrigin, &gcv);	1311	gc = XCreateGC (dpy, vt, GCFillStyle | GCTile | GCTileStipXOrigin | GCTileStipYOrigin, &gcv);
		1312
		1313	if (gc)
		1314	{
		1315	XFillRectangle (dpy, bg_pixmap, gc, 0, 0, window_width, window_height);
		1316	result |= BG_IS_VALID | (bg_flags & BG_EFFECTS_FLAGS);
		1317	XFreeGC (dpy, gc);
		1318
		1319	if (!(bg_flags & BG_CLIENT_RENDER))
		1320	{
		1321	if ((bg_flags & BG_NEEDS_BLUR)
		1322	&& (bg_flags & BG_HAS_RENDER_CONV))
		1323	{
		1324	if (blur_pixmap (bg_pixmap, visual, window_width, window_height))
		1325	result &= ~BG_NEEDS_BLUR;
		1326	}
		1327	if ((bg_flags & BG_NEEDS_TINT)
		1328	&& (bg_flags & (BG_TINT_BITAND | BG_HAS_RENDER)))
		1329	{
		1330	if (tint_pixmap (bg_pixmap, visual, window_width, window_height))
		1331	result &= ~BG_NEEDS_TINT;
		1332	}
		1333	} /* server side rendering completed */
		1334	}
		1335
		1336	if (recoded_root_pmap != root_pixmap)
		1337	XFreePixmap (dpy, recoded_root_pmap);
		1338
		1339	return result;
		1340	}
		1341
		1342	void
		1343	rxvt_term::bg_set_root_pixmap ()
		1344	{
		1345	Pixmap new_root_pixmap = get_pixmap_property (xa[XA_XROOTPMAP_ID]);
		1346	if (new_root_pixmap == None)
		1347	new_root_pixmap = get_pixmap_property (xa[XA_ESETROOT_PMAP_ID]);
		1348
		1349	root_pixmap = new_root_pixmap;
		1350	}
		1351	# endif /* ENABLE_TRANSPARENCY */
		1352
		1353	#if defined(ENABLE_TRANSPARENCY) && !defined(HAVE_AFTERIMAGE)
		1354	static void shade_ximage (Visual *visual, XImage *ximage, int shade, const rgba &c);
		1355	# endif
		1356
		1357	bool
		1358	rxvt_term::bg_render ()
		1359	{
		1360	unsigned long tr_flags = 0;
		1361
		1362	bg_invalidate ();
		1363	# ifdef ENABLE_TRANSPARENCY
		1364	if (bg_flags & BG_IS_TRANSPARENT)
		1365	{
		1366	/* we need to re-generate transparency pixmap in that case ! */
		1367	tr_flags = make_transparency_pixmap ();
		1368	if (tr_flags == 0)
		1369	return false;
		1370	else if (!(tr_flags & BG_EFFECTS_FLAGS))
		1371	bg_flags |= BG_IS_VALID;
		1372	}
		1373	# endif
		1374
		1375	# ifdef BG_IMAGE_FROM_FILE
		1376	if ((bg_flags & BG_IS_FROM_FILE)
		1377	|| (tr_flags & BG_EFFECTS_FLAGS))
		1378	{
		1379	if (render_image (tr_flags))
		1380	bg_flags |= BG_IS_VALID;
		1381	}
		1382	# endif
		1383
		1384	# if defined(ENABLE_TRANSPARENCY) && !defined(HAVE_AFTERIMAGE)
		1385	XImage *result = NULL;
		1386
		1387	if (tr_flags && !(bg_flags & BG_IS_VALID))
		1388	{
		1389	result = XGetImage (dpy, bg_pixmap, 0, 0, bg_pmap_width, bg_pmap_height, AllPlanes, ZPixmap);
		1390	}
		1391
		1392	if (result)
		1393	{
		1394	/* our own client-side tinting */
		1395	if (tr_flags & BG_NEEDS_TINT)
		1396	{
		1397	rgba c (rgba::MAX_CC,rgba::MAX_CC,rgba::MAX_CC);
		1398	if (bg_flags & BG_TINT_SET)
		1399	tint.get (c);
		1400	shade_ximage (DefaultVisual (dpy, display->screen), result, shade, c);
		1401	}
		1402
		1403	GC gc = XCreateGC (dpy, vt, 0UL, NULL);
941		1404
942	if (gc)	1405	if (gc)
943	{	1406	{
944	XFillRectangle (dpy, tiled_root_pmap, gc, 0, 0, window_width, window_height);	1407	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		1408
950	if (tiled_root_pmap != None)	1409	XFreeGC (dpy, gc);
951	{	1410	bg_flags |= BG_IS_VALID;
952	if (!need_client_side_rendering ())
953	{	1411	}
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		1412
980	if (flags & tintSet)	1413	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	{	1414	}
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	1415	# endif
1094		1416
1095		1417	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	}	1418	{
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)	1419	if (bg_pixmap != None)
1226	{	1420	{
1227	XFreePixmap (target->dpy, pixmap);	1421	XFreePixmap (dpy, bg_pixmap);
1228	pixmap = None;	1422	bg_pixmap = None;
1229	}	1423	}
1230	}	1424	}
1231		1425
1232	apply ();	1426	scr_recolour (false);
		1427	bg_flags |= BG_NEEDS_REFRESH;
1233		1428
1234	TIMING_TEST_PRINT_RESULT (tp);	1429	bg_valid_since = ev::now ();
1235		1430
1236	return true;	1431	return true;
1237	}	1432	}
1238		1433
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	1434	void
1255	bgPixmap_t::apply()	1435	rxvt_term::bg_init ()
1256	{	1436	{
1257	if (target)
1258	{
1259	flags &= ~isVtOrigin;
1260	if (pixmap != None)
1261	{
1262	/* set target's background to pixmap */
1263	# ifdef ENABLE_TRANSPARENCY	1437	#ifdef ENABLE_TRANSPARENCY
1264	if (flags & isTransparent)	1438	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	1439	#endif
1275	{	1440
1276	flags |= isVtOrigin;	1441	bg_flags &= ~(BG_HAS_RENDER | BG_HAS_RENDER_CONV);
1277	/* force old pixmap dereference in case it was transparent before :*/	1442	#if XRENDER
1278	XSetWindowBackground (target->dpy, target->parent[0], target->pix_colors[Color_border]);	1443	int major, minor;
1279	XSetWindowBackgroundPixmap (target->dpy, target->vt, pixmap);	1444	if (XRenderQueryVersion (dpy, &major, &minor))
1280	/* do we also need to set scrollbar's background here ? */	1445	bg_flags |= BG_HAS_RENDER;
1281	# if HAVE_SCROLLBARS	1446	XFilters *filters = XRenderQueryFilters (dpy, vt);
1282	if (target->scrollBar.win)	1447	if (filters)
1283	XSetWindowBackground (target->dpy, target->scrollBar.win, target->pix_colors[Color_border]);	1448	{
		1449	for (int i = 0; i < filters->nfilter; i++)
		1450	if (!strcmp (filters->filter[i], FilterConvolution))
		1451	bg_flags |= BG_HAS_RENDER_CONV;
		1452
		1453	XFree (filters);
		1454	}
1284	# endif	1455	#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	}	1456	}
1314		1457
1315	#endif /* HAVE_BG_PIXMAP */	1458	#endif /* HAVE_BG_PIXMAP */
1316		1459
1317	#if defined(ENABLE_TRANSPARENCY) && !defined(HAVE_AFTERIMAGE) && !XFT	1460	#if defined(ENABLE_TRANSPARENCY) && !defined(HAVE_AFTERIMAGE)
1318	/* taken from aterm-0.4.2 */	1461	/* taken from aterm-0.4.2 */
1319		1462
1320	typedef uint32_t RUINT32T;
1321
1322	static void	1463	static void
1323	ShadeXImage(rxvt_term *term, XImage* srcImage, int shade, int rm, int gm, int bm)	1464	shade_ximage (Visual *visual, XImage *ximage, int shade, const rgba &c)
1324	{	1465	{
1325	int sh_r, sh_g, sh_b;	1466	int sh_r, sh_g, sh_b;
1326	RUINT32T mask_r, mask_g, mask_b;	1467	uint32_t mask_r, mask_g, mask_b;
1327	RUINT32T *lookup, *lookup_r, *lookup_g, *lookup_b;	1468	uint32_t *lookup, *lookup_r, *lookup_g, *lookup_b;
1328	unsigned int lower_lim_r, lower_lim_g, lower_lim_b;	1469	rgba low;
1329	unsigned int upper_lim_r, upper_lim_g, upper_lim_b;	1470	rgba high;
1330	int i;	1471	int i;
		1472	int host_byte_order = ecb_big_endian () ? MSBFirst : LSBFirst;
1331		1473
1332	Visual *visual = term->visual;
1333
1334	if (visual->c_class != TrueColor || srcImage->format != ZPixmap) return ;	1474	if (visual->c_class != TrueColor || ximage->format != ZPixmap) return;
1335
1336	if (shade == 0)
1337	shade = 100;
1338		1475
1339	/* for convenience */	1476	/* for convenience */
1340	mask_r = visual->red_mask;	1477	mask_r = visual->red_mask;
1341	mask_g = visual->green_mask;	1478	mask_g = visual->green_mask;
1342	mask_b = visual->blue_mask;	1479	mask_b = visual->blue_mask;
1343		1480
1344	/* boring lookup table pre-initialization */	1481	/* boring lookup table pre-initialization */
1345	switch (srcImage->bits_per_pixel) {	1482	switch (ximage->depth)
		1483	{
1346	case 15:	1484	case 15:
1347	if ((mask_r != 0x7c00) ||	1485	if ((mask_r != 0x7c00) ||
1348	(mask_g != 0x03e0) ||	1486	(mask_g != 0x03e0) ||
1349	(mask_b != 0x001f))	1487	(mask_b != 0x001f))
1350	return;	1488	return;
1351	lookup = (RUINT32T *) malloc (sizeof (RUINT32T)*(32+32+32));	1489	lookup = (uint32_t *) malloc (sizeof (uint32_t)*(32+32+32));
1352	lookup_r = lookup;	1490	lookup_r = lookup;
1353	lookup_g = lookup+32;	1491	lookup_g = lookup+32;
1354	lookup_b = lookup+32+32;	1492	lookup_b = lookup+32+32;
1355	sh_r = 10;	1493	sh_r = 10;
1356	sh_g = 5;	1494	sh_g = 5;
1357	sh_b = 0;	1495	sh_b = 0;
1358	break;	1496	break;
1359	case 16:	1497	case 16:
1360	if ((mask_r != 0xf800) ||	1498	if ((mask_r != 0xf800) ||
1361	(mask_g != 0x07e0) ||	1499	(mask_g != 0x07e0) ||
1362	(mask_b != 0x001f))	1500	(mask_b != 0x001f))
1363	return;	1501	return;
1364	lookup = (RUINT32T *) malloc (sizeof (RUINT32T)*(32+64+32));	1502	lookup = (uint32_t *) malloc (sizeof (uint32_t)*(32+64+32));
1365	lookup_r = lookup;	1503	lookup_r = lookup;
1366	lookup_g = lookup+32;	1504	lookup_g = lookup+32;
1367	lookup_b = lookup+32+64;	1505	lookup_b = lookup+32+64;
1368	sh_r = 11;	1506	sh_r = 11;
1369	sh_g = 5;	1507	sh_g = 5;
1370	sh_b = 0;	1508	sh_b = 0;
1371	break;	1509	break;
1372	case 24:	1510	case 24:
1373	if ((mask_r != 0xff0000) ||	1511	if ((mask_r != 0xff0000) ||
1374	(mask_g != 0x00ff00) ||	1512	(mask_g != 0x00ff00) ||
1375	(mask_b != 0x0000ff))	1513	(mask_b != 0x0000ff))
1376	return;	1514	return;
1377	lookup = (RUINT32T *) malloc (sizeof (RUINT32T)*(256+256+256));	1515	lookup = (uint32_t *) malloc (sizeof (uint32_t)*(256+256+256));
1378	lookup_r = lookup;	1516	lookup_r = lookup;
1379	lookup_g = lookup+256;	1517	lookup_g = lookup+256;
1380	lookup_b = lookup+256+256;	1518	lookup_b = lookup+256+256;
1381	sh_r = 16;	1519	sh_r = 16;
1382	sh_g = 8;	1520	sh_g = 8;
1383	sh_b = 0;	1521	sh_b = 0;
1384	break;	1522	break;
1385	case 32:	1523	case 32:
1386	if ((mask_r != 0xff0000) ||	1524	if ((mask_r != 0xff0000) ||
1387	(mask_g != 0x00ff00) ||	1525	(mask_g != 0x00ff00) ||
1388	(mask_b != 0x0000ff))	1526	(mask_b != 0x0000ff))
1389	return;	1527	return;
1390	lookup = (RUINT32T *) malloc (sizeof (RUINT32T)*(256+256+256));	1528	lookup = (uint32_t *) malloc (sizeof (uint32_t)*(256+256+256));
1391	lookup_r = lookup;	1529	lookup_r = lookup;
1392	lookup_g = lookup+256;	1530	lookup_g = lookup+256;
1393	lookup_b = lookup+256+256;	1531	lookup_b = lookup+256+256;
1394	sh_r = 16;	1532	sh_r = 16;
1395	sh_g = 8;	1533	sh_g = 8;
1396	sh_b = 0;	1534	sh_b = 0;
1397	break;	1535	break;
1398	default:	1536	default:
1399	return; /* we do not support this color depth */	1537	return; /* we do not support this color depth */
1400	}	1538	}
1401		1539
1402	/* prepare limits for color transformation (each channel is handled separately) */	1540	/* prepare limits for color transformation (each channel is handled separately) */
1403	if (shade < 0) {	1541	if (shade > 100)
		1542	{
1404	shade = -shade;	1543	shade = 200 - shade;
1405	if (shade < 0) shade = 0;
1406	if (shade > 100) shade = 100;
1407		1544
1408	lower_lim_r = 65535-rm;	1545	high.r = c.r * shade / 100;
1409	lower_lim_g = 65535-gm;	1546	high.g = c.g * shade / 100;
1410	lower_lim_b = 65535-bm;	1547	high.b = c.b * shade / 100;
1411		1548
1412	lower_lim_r = 65535-(unsigned int)(((RUINT32T)lower_lim_r)*((RUINT32T)shade)/100);	1549	low.r = 65535 * (100 - shade) / 100;
1413	lower_lim_g = 65535-(unsigned int)(((RUINT32T)lower_lim_g)*((RUINT32T)shade)/100);	1550	low.g = 65535 * (100 - shade) / 100;
1414	lower_lim_b = 65535-(unsigned int)(((RUINT32T)lower_lim_b)*((RUINT32T)shade)/100);	1551	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	}	1552	}
1427		1553	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	{	1554	{
1431	unsigned int tmp;	1555	high.r = c.r * shade / 100;
		1556	high.g = c.g * shade / 100;
		1557	high.b = c.b * shade / 100;
1432		1558
1433	tmp = lower_lim_r;	1559	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	}	1560	}
1441		1561
1442	/* fill our lookup tables */	1562	/* fill our lookup tables */
1443	for (i = 0; i <= mask_r>>sh_r; i++)	1563	for (i = 0; i <= mask_r>>sh_r; i++)
1444	{	1564	{
1445	RUINT32T tmp;	1565	uint32_t tmp;
1446	tmp = ((RUINT32T)i)*((RUINT32T)(upper_lim_r-lower_lim_r));	1566	tmp = i * high.r;
1447	tmp += ((RUINT32T)(mask_r>>sh_r))*((RUINT32T)lower_lim_r);	1567	tmp += (mask_r>>sh_r) * low.r;
1448	lookup_r[i] = (tmp/65535)<<sh_r;	1568	lookup_r[i] = (tmp/65535)<<sh_r;
1449	}	1569	}
1450	for (i = 0; i <= mask_g>>sh_g; i++)	1570	for (i = 0; i <= mask_g>>sh_g; i++)
1451	{	1571	{
1452	RUINT32T tmp;	1572	uint32_t tmp;
1453	tmp = ((RUINT32T)i)*((RUINT32T)(upper_lim_g-lower_lim_g));	1573	tmp = i * high.g;
1454	tmp += ((RUINT32T)(mask_g>>sh_g))*((RUINT32T)lower_lim_g);	1574	tmp += (mask_g>>sh_g) * low.g;
1455	lookup_g[i] = (tmp/65535)<<sh_g;	1575	lookup_g[i] = (tmp/65535)<<sh_g;
1456	}	1576	}
1457	for (i = 0; i <= mask_b>>sh_b; i++)	1577	for (i = 0; i <= mask_b>>sh_b; i++)
1458	{	1578	{
1459	RUINT32T tmp;	1579	uint32_t tmp;
1460	tmp = ((RUINT32T)i)*((RUINT32T)(upper_lim_b-lower_lim_b));	1580	tmp = i * high.b;
1461	tmp += ((RUINT32T)(mask_b>>sh_b))*((RUINT32T)lower_lim_b);	1581	tmp += (mask_b>>sh_b) * low.b;
1462	lookup_b[i] = (tmp/65535)<<sh_b;	1582	lookup_b[i] = (tmp/65535)<<sh_b;
1463	}	1583	}
1464		1584
1465	/* apply table to input image (replacing colors by newly calculated ones) */	1585	/* apply table to input image (replacing colors by newly calculated ones) */
1466	switch (srcImage->bits_per_pixel)	1586	if (ximage->bits_per_pixel == 32
		1587	&& (ximage->depth == 24 || ximage->depth == 32)
		1588	&& ximage->byte_order == host_byte_order)
1467	{	1589	{
1468	case 15:
1469	{
1470	unsigned short *p1, *pf, *p, *pl;	1590	uint32_t *p1, *pf, *p, *pl;
1471	p1 = (unsigned short *) srcImage->data;	1591	p1 = (uint32_t *) ximage->data;
1472	pf = (unsigned short *) (srcImage->data + srcImage->height * srcImage->bytes_per_line);	1592	pf = (uint32_t *) (ximage->data + ximage->height * ximage->bytes_per_line);
		1593
1473	while (p1 < pf)	1594	while (p1 < pf)
1474	{	1595	{
1475	p = p1;	1596	p = p1;
1476	pl = p1 + srcImage->width;	1597	pl = p1 + ximage->width;
1477	for (; p < pl; p++)	1598	for (; p < pl; p++)
1478	{	1599	{
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] |	1600	*p = lookup_r[(*p & 0xff0000) >> 16] |
1538	lookup_g[(*p & 0x00ff00)>> 8] |	1601	lookup_g[(*p & 0x00ff00) >> 8] |
1539	lookup_b[(*p & 0x0000ff)] |	1602	lookup_b[(*p & 0x0000ff)] |
1540	(*p & ~0xffffff);	1603	(*p & 0xff000000);
		1604	}
		1605	p1 = (uint32_t *) ((char *) p1 + ximage->bytes_per_line);
		1606	}
		1607	}
		1608	else
		1609	{
		1610	for (int y = 0; y < ximage->height; y++)
		1611	for (int x = 0; x < ximage->width; x++)
		1612	{
		1613	unsigned long pixel = XGetPixel (ximage, x, y);
		1614	pixel = lookup_r[(pixel & mask_r) >> sh_r] |
		1615	lookup_g[(pixel & mask_g) >> sh_g] |
		1616	lookup_b[(pixel & mask_b) >> sh_b];
		1617	XPutPixel (ximage, x, y, pixel);
1541	}	1618	}
1542	p1 = (RUINT32T *) ((char *) p1 + srcImage->bytes_per_line);
1543	}	1619	}
1544	break;
1545	}
1546	}
1547		1620
1548	free (lookup);	1621	free (lookup);
1549	}	1622	}
1550	#endif /* defined(ENABLE_TRANSPARENCY) && !defined(HAVE_AFTERIMAGE) */	1623	#endif /* defined(ENABLE_TRANSPARENCY) && !defined(HAVE_AFTERIMAGE) */

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