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Comparing rxvt-unicode/src/background.C (file contents):
Revision 1.43 by sf-exg, Sun Aug 29 13:40:42 2010 UTC vs.
Revision 1.162 by sf-exg, Thu Aug 11 12:27:26 2011 UTC

1	/*----------------------------------------------------------------------*	1	/*----------------------------------------------------------------------*
2	* File: background.C - former xpm.C	2	* File: background.C - former xpm.C
3	*----------------------------------------------------------------------*	3	*----------------------------------------------------------------------*
4	*	4	*
5	* All portions of code are copyright by their respective author/s.	5	* All portions of code are copyright by their respective author/s.
6	* Copyright (c) 2005-2008 Marc Lehmann <pcg@goof.com>	6	* Copyright (c) 2005-2008 Marc Lehmann <schmorp@schmorp.de>
7	* Copyright (c) 2007 Sasha Vasko <sasha@aftercode.net>	7	* Copyright (c) 2007 Sasha Vasko <sasha@aftercode.net>
		8	* Copyright (c) 2010 Emanuele Giaquinta <e.giaquinta@glauco.it>
8	*	9	*
9	* This program is free software; you can redistribute it and/or modify	10	* This program is free software; you can redistribute it and/or modify
10	* it under the terms of the GNU General Public License as published by	11	* it under the terms of the GNU General Public License as published by
11	* the Free Software Foundation; either version 2 of the License, or	12	* the Free Software Foundation; either version 2 of the License, or
12	* (at your option) any later version.	13	* (at your option) any later version.
…		…
19	* You should have received a copy of the GNU General Public License	20	* You should have received a copy of the GNU General Public License
20	* along with this program; if not, write to the Free Software	21	* along with this program; if not, write to the Free Software
21	* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.	22	* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
22	*---------------------------------------------------------------------*/	23	*---------------------------------------------------------------------*/
23		24
		25	#include <cmath>
24	#include "../config.h" /* NECESSARY */	26	#include "../config.h" /* NECESSARY */
25	#include "rxvt.h" /* NECESSARY */	27	#include "rxvt.h" /* NECESSARY */
26		28
27	#define DO_TIMING_TEST 0	29	#if XRENDER
		30	# include <X11/extensions/Xrender.h>
		31	#endif
28		32
29	#if DO_TIMING_TEST	33	#ifndef FilterConvolution
30	# include <sys/time.h>	34	#define FilterConvolution "convolution"
31	#define TIMING_TEST_START(id) \
32	struct timeval timing_test_##id##_stv; \
33	gettimeofday (&timing_test_##id##_stv, NULL);
34
35	#define TIMING_TEST_PRINT_RESULT(id) \
36	do { \
37	struct timeval tv; \
38	gettimeofday (&tv, NULL); \
39	tv.tv_sec -= (timing_test_##id##_stv).tv_sec; \
40	fprintf (stderr, "%s: %s: %d: elapsed %ld usec\n", #id, __FILE__, __LINE__, \
41	tv.tv_sec * 1000000 + tv.tv_usec - (timing_test_##id##_stv).tv_usec); \
42	} while (0)
43
44	#else
45	#define TIMING_TEST_START(id) do {} while (0)
46	#define TIMING_TEST_PRINT_RESULT(id) do {} while (0)
47	#endif	35	#endif
48		36
49	/*	37	/*
50	* Pixmap geometry string interpretation :	38	* Pixmap geometry string interpretation :
51	* Each geometry string contains zero or one scale/position	39	* Each geometry string contains zero or one scale/position
52	* 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
53	* colon-delimited pixmap operations.	41	* colon-delimited pixmap operations.
54	* The following table shows the valid geometry strings and their	42	* The following table shows the valid geometry strings and their
55	* effects on the background image :	43	* effects on the background image :
56	*	44	*
57	* WxH+X+Y Set scaling to W% by H%, and position to X% by Y%.	45	* WxH+X+Y Set scaling to W% by H%, and position to X% by Y%.
58	* W and H are percentages of the terminal window size.	46	* W and H are percentages of the terminal window size.
59	* X and Y are also percentages; e.g., +50+50 centers	47	* X and Y are also percentages; e.g., +50+50 centers
60	* the image in the window.	48	* the image in the window.
61	* WxH+X Assumes Y == X
62	* WxH Assumes Y == X == 50 (centers the image)
63	* W+X+Y Assumes H == W
64	* W+X Assumes H == W and Y == X
65	* W Assumes H == W and Y == X == 50
66	*
67	* Adjusting position only :
68	* =+X+Y Set position to X% by Y% (absolute).
69	* =+X Set position to X% by X%.
70	* +X+Y Adjust position horizontally X% and vertically Y%
71	* from current position (relative).
72	* +X Adjust position horizontally X% and vertically X%
73	* from current position.
74	*
75	* Adjusting scale only :
76	* Wx0 Multiply horizontal scaling factor by W%
77	* 0xH Multiply vertical scaling factor by H%
78	* 0x0 No scaling (show image at normal size).
79	*	49	*
80	* Pixmap Operations : (should be prepended by a colon)	50	* Pixmap Operations : (should be prepended by a colon)
81	* tile Tile image. Scaling/position modifiers above will affect
82	* the tile size and origin.
83	* propscale When scaling, scale proportionally. That is, maintain the
84	* proper aspect ratio for the image. Any portion of the
85	* background not covered by the image is filled with the
86	* current background color.
87	* hscale Scale horizontally, tile vertically ?
88	* vscale Tile horizontally, scale vertically ?
89	* scale Scale both up and down
90	* auto Same as 100x100+50+50
91	*/	51	*/
92		52
93	#ifdef HAVE_BG_PIXMAP	53	#ifdef HAVE_BG_PIXMAP
94	bgPixmap_t::bgPixmap_t ()
95	{
96	// this is basically redundant as bgPixmap_t is only used in
97	// zero_initialised-derived structs
98	#ifdef HAVE_AFTERIMAGE
99	original_asim = NULL;
100	#endif
101	#ifdef BG_IMAGE_FROM_FILE
102	h_scale = v_scale = 0;
103	h_align = v_align = 0;
104	#endif
105	flags = 0;
106	pixmap = None;
107	valid_since = invalid_since = 0;
108	target = 0;
109	}
110
111	void	54	void
112	bgPixmap_t::destroy ()	55	rxvt_term::bg_destroy ()
113	{	56	{
114	#ifdef HAVE_AFTERIMAGE	57	#ifdef HAVE_AFTERIMAGE
115	if (original_asim)	58	if (original_asim)
116	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);
117	#endif	64	#endif
118		65
119	if (pixmap && target)	66	#ifdef HAVE_PIXBUF
		67	if (pixbuf)
		68	g_object_unref (pixbuf);
		69	#endif
		70
		71	if (bg_pixmap)
120	XFreePixmap (target->dpy, pixmap);	72	XFreePixmap (dpy, bg_pixmap);
121	}	73	}
122		74
123	bool	75	bool
124	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 ()
125	{	91	{
126	# ifdef ENABLE_TRANSPARENCY	92	# ifdef ENABLE_TRANSPARENCY
127	if (flags & isTransparent)	93	if (bg_flags & BG_IS_TRANSPARENT)
128	return true;	94	return true;
129	# endif	95	# endif
130		96
131	# ifdef BG_IMAGE_FROM_FILE	97	# ifdef BG_IMAGE_FROM_FILE
132	# ifdef HAVE_AFTERIMAGE	98	if (bg_flags & BG_IS_FROM_FILE)
133	if (original_asim)
134	# endif
135	{	99	{
136	if (h_scale != 0 || v_scale != 0	100	if (bg_flags & BG_IS_SIZE_SENSITIVE)
137	|| h_align != 0 || v_align != 0)
138	return true;	101	return true;
139	}	102	}
140	# endif	103	# endif
141		104
142	return false;	105	return false;
143	}	106	}
144		107
145	bool	108	bool
146	bgPixmap_t::window_position_sensitive ()	109	rxvt_term::bg_window_position_sensitive ()
147	{	110	{
148	# ifdef ENABLE_TRANSPARENCY	111	# ifdef ENABLE_TRANSPARENCY
149	if (flags & isTransparent)	112	if (bg_flags & BG_IS_TRANSPARENT)
150	return true;	113	return true;
151	# endif	114	# endif
152		115
153	# ifdef BG_IMAGE_FROM_FILE	116	# ifdef BG_IMAGE_FROM_FILE
154	# ifdef HAVE_AFTERIMAGE	117	if (bg_flags & BG_IS_FROM_FILE)
155	if (original_asim)
156	# endif
157	{	118	{
158	if (h_align == rootAlign || v_align == rootAlign)	119	if (bg_flags & BG_ROOT_ALIGN)
159	return true;	120	return true;
160	}	121	}
161	# endif	122	# endif
162		123
163	return false;
164	};
165
166	bool bgPixmap_t::need_client_side_rendering ()
167	{
168	# ifdef HAVE_AFTERIMAGE
169	if (original_asim)
170	return true;
171	# endif
172	# ifdef ENABLE_TRANSPARENCY
173	if (flags & isTransparent)
174	{
175	# ifdef HAVE_AFTERIMAGE // can't blur without libAI anyways
176	if ((flags & blurNeeded) && !(flags & blurServerSide))
177	return true;
178	# endif
179	if ((flags & tintNeeded) && !(flags & tintServerSide))
180	return true;
181	}
182	# endif
183	return false;	124	return false;
184	}	125	}
185		126
186	# ifdef BG_IMAGE_FROM_FILE	127	# ifdef BG_IMAGE_FROM_FILE
187	static inline bool	128	static inline bool
…		…
203	static inline bool	144	static inline bool
204	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)
205	{	146	{
206	if (geom_flags & flag)	147	if (geom_flags & flag)
207	{	148	{
208	if (new_value != bgPixmap_t::rootAlign)
209	{
210	if (new_value < -100)	149	if (new_value < -100)
211	new_value = -100;	150	new_value = -100;
212	else if (new_value > 200)	151	else if (new_value > 200)
213	new_value = 200;	152	new_value = 200;
214	}
215	if (new_value != align)	153	if (new_value != align)
216	{	154	{
217	align = new_value;	155	align = new_value;
218	return true;	156	return true;
219	}	157	}
…		…
223		161
224	static inline int	162	static inline int
225	make_align_position (int align, int window_size, int image_size)	163	make_align_position (int align, int window_size, int image_size)
226	{	164	{
227	int diff = window_size - image_size;	165	int diff = window_size - image_size;
228	int smaller = MIN (image_size,window_size);	166	int smaller = min (image_size, window_size);
229		167
230	if (align >= 0 && align <= 50)	168	if (align >= 0 && align <= 100)
231	return diff * align / 100;	169	return diff * align / 100;
232	else if (align > 50 && align <= 100)
233	return window_size - image_size - diff * (100 - align) / 100;
234	else if (align > 100 && align <= 200 )	170	else if (align > 100 && align <= 200)
235	return ((align - 100) * smaller / 100) + window_size - smaller;	171	return ((align - 100) * smaller / 100) + window_size - smaller;
236	else if (align > -100 && align < 0)	172	else if (align >= -100 && align < 0)
237	return ((align + 100) * smaller / 100) - image_size;	173	return ((align + 100) * smaller / 100) - image_size;
238	return 0;	174	return 0;
239	}	175	}
240		176
241	static inline int	177	static inline int
242	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)
243	{	179	{
244	int src_pos = 0;	180	int src_pos = 0;
245	dst_pos = 0;	181	dst_pos = pos;
246	dst_size = size;	182	dst_size = size;
247	if (pos < 0 && size > target_size)	183	if (pos < 0)
248	{	184	{
249	src_pos = -pos;	185	src_pos = -pos;
		186	dst_pos = 0;
250	dst_size += pos;	187	dst_size += pos;
251	}	188	}
252	else if (pos > 0)
253	dst_pos = pos;
254		189
255	if (dst_pos + dst_size > target_size)	190	if (dst_pos + dst_size > target_size)
256	dst_size = target_size - dst_pos;	191	dst_size = target_size - dst_pos;
257	return src_pos;	192	return src_pos;
258	}	193	}
259		194
260	bool	195	bool
261	bgPixmap_t::set_geometry (const char *geom)	196	rxvt_term::bg_set_geometry (const char *geom, bool update)
262	{	197	{
		198	bool changed = false;
263	int geom_flags = 0, changed = 0;	199	int geom_flags = 0;
264	int x = 0, y = 0;	200	int x = 0, y = 0;
265	unsigned int w = 0, h = 0;	201	unsigned int w = 0, h = 0;
266	unsigned int n;	202	unsigned int n;
267	unsigned long new_flags = (flags & (~geometryFlags));	203	unsigned long new_flags = (bg_flags & (~BG_GEOMETRY_FLAGS));
268	const char *p;	204	const char *ops;
269	# define MAXLEN_GEOM 256 /* could be longer than regular geometry string */
270		205
271	if (geom == NULL)	206	if (geom == NULL)
272	return false;	207	return false;
273		208
274	char str[MAXLEN_GEOM];	209	char str[256];
275		210
276	while (isspace(*geom)) ++geom;
277	if ((p = strchr (geom, ';')) == NULL)
278	p = strchr (geom, '\0');	211	ops = strchr (geom, ':');
279		212	if (ops == NULL)
		213	n = strlen (geom);
		214	else
280	n = (p - geom);	215	n = ops - geom;
281	if (n < MAXLEN_GEOM)
282	{
283	char *ops;
284	new_flags |= geometrySet;
285		216
		217	if (n >= sizeof (str))
		218	return false;
		219
286	memcpy (str, geom, n);	220	memcpy (str, geom, n);
287	str[n] = '\0';	221	str[n] = '\0';
288	if (str[0] == ':')	222	rxvt_strtrim (str);
289	ops = &str[0];
290	else if (str[0] != 'x' && str[0] != 'X' && isalpha(str[0]))
291	ops = &str[0];
292	else
293	{
294	char *tmp;
295	ops = strchr (str, ':');
296	if (ops != NULL)
297	{
298	for (tmp = ops-1; tmp >= str && isspace(*tmp); --tmp);
299	*(++tmp) = '\0';
300	if (ops == tmp) ++ops;
301	}
302	}
303		223
304	if (ops > str || ops == NULL)	224	if (str[0])
305	{	225	{
306	/* 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 */
307	geom_flags = XParseGeometry (str, &x, &y, &w, &h);	227	geom_flags = XParseGeometry (str, &x, &y, &w, &h);
308
309	if ((geom_flags & XValue) && !(geom_flags & YValue))
310	{
311	y = x;
312	geom_flags |= YValue;
313	}
314
315	if (flags & geometrySet)
316	{
317	/* new geometry is an adjustment to the old one ! */
318	if ((geom_flags & WidthValue) && (geom_flags & HeightValue))
319	{
320	if (w == 0 && h != 0)
321	{
322	w = h_scale;
323	h = (v_scale * h) / 100;
324	}
325	else if (h == 0 && w != 0)
326	{
327	w = (h_scale * w) / 100;
328	h = v_scale;
329	}
330	}
331	if (geom_flags & XValue)
332	{
333	if (str[0] != '=')
334	{
335	y += v_align;
336	x += h_align;
337	}
338	}
339	}
340	else /* setting up geometry from scratch */
341	{
342	if (!(geom_flags & XValue))
343	{
344	/* use default geometry - centered */
345	x = y = defaultAlign;
346	}
347	else if (!(geom_flags & YValue))
348	y = x;
349
350	if ((geom_flags & (WidthValue|HeightValue)) == 0)
351	{
352	/* use default geometry - scaled */
353	w = h = defaultScale;
354	}
355	else if (geom_flags & WidthValue)
356	{
357	if (!(geom_flags & HeightValue))
358	h = w;
359	}
360	else
361	w = h;
362	}
363	} /* done parsing geometry string */	228	} /* done parsing geometry string */
364	else if (!(flags & geometrySet))	229
365	{	230	if (!update)
366	/* default geometry - scaled and centered */	231	{
		232	if (!(geom_flags & XValue))
367	x = y = defaultAlign;	233	x = y = defaultAlign;
		234	else if (!(geom_flags & YValue))
		235	y = x;
		236
		237	if (!(geom_flags & (WidthValue|HeightValue)))
368	w = h = defaultScale;	238	w = h = defaultScale;
369	}	239	else if (!(geom_flags & HeightValue))
		240	h = w;
		241	else if (!(geom_flags & WidthValue))
		242	w = h;
370		243
371	if (!(flags & geometrySet))
372	geom_flags |= WidthValue|HeightValue|XValue|YValue;	244	geom_flags |= WidthValue|HeightValue|XValue|YValue;
		245	}
373		246
374	if (ops)	247	if (ops)
375	{	248	{
376	while (*ops)	249	char **arr = rxvt_strsplit (':', ops + 1);
		250
		251	for (int i = 0; arr[i]; i++)
377	{	252	{
378	while (*ops == ':' || isspace(*ops)) ++ops;	253	if (!strcasecmp (arr[i], "style=tiled"))
379
380	# define CHECK_GEOM_OPS(op_str) (strncasecmp (ops, (op_str), sizeof (op_str) - 1) == 0)
381	if (CHECK_GEOM_OPS ("tile"))
382	{	254	{
		255	new_flags = BG_TILE;
383	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;
384	geom_flags |= WidthValue|HeightValue;	297	geom_flags |= WidthValue|HeightValue;
385	}	298	}
386	else if (CHECK_GEOM_OPS ("propscale"))	299	else if (!strcasecmp (arr[i], "propscale"))
387	{	300	{
388	if (w == 0 && h == 0)	301	new_flags |= BG_PROP_SCALE;
		302	}
		303	else if (!strcasecmp (arr[i], "hscale"))
389	{	304	{
		305	new_flags |= BG_TILE;
390	w = windowScale;	306	w = windowScale;
391	geom_flags |= WidthValue;
392	}
393	new_flags |= propScale;
394	}
395	else if (CHECK_GEOM_OPS ("hscale"))
396	{
397	if (w == 0) w = windowScale;
398
399	h = noScale;	307	h = noScale;
400	geom_flags |= WidthValue|HeightValue;	308	geom_flags |= WidthValue|HeightValue;
401	}	309	}
402	else if (CHECK_GEOM_OPS ("vscale"))	310	else if (!strcasecmp (arr[i], "vscale"))
403	{	311	{
		312	new_flags |= BG_TILE;
404	if (h == 0) h = windowScale;	313	h = windowScale;
405
406	w = noScale;	314	w = noScale;
407	geom_flags |= WidthValue|HeightValue;	315	geom_flags |= WidthValue|HeightValue;
408	}	316	}
409	else if (CHECK_GEOM_OPS ("scale"))	317	else if (!strcasecmp (arr[i], "scale"))
410	{	318	{
411	if (h == 0) h = windowScale;
412	if (w == 0) w = windowScale;	319	w = h = windowScale;
413
414	geom_flags |= WidthValue|HeightValue;	320	geom_flags |= WidthValue|HeightValue;
415	}	321	}
416	else if (CHECK_GEOM_OPS ("auto"))	322	else if (!strcasecmp (arr[i], "auto"))
417	{	323	{
418	w = h = windowScale;	324	w = h = windowScale;
419	x = y = centerAlign;	325	x = y = centerAlign;
420	geom_flags |= WidthValue|HeightValue|XValue|YValue;	326	geom_flags |= WidthValue|HeightValue|XValue|YValue;
421	}	327	}
422	else if (CHECK_GEOM_OPS ("root"))	328	else if (!strcasecmp (arr[i], "root"))
423	{	329	{
		330	new_flags |= BG_TILE|BG_ROOT_ALIGN;
424	w = h = noScale;	331	w = h = noScale;
425	x = y = rootAlign;
426	geom_flags |= WidthValue|HeightValue|XValue|YValue;	332	geom_flags |= WidthValue|HeightValue;
427	}	333	}
428	# undef CHECK_GEOM_OPS
429
430	while (*ops != ':' && *ops != '\0') ++ops;
431	} /* done parsing ops */	334	} /* done parsing ops */
432	}
433		335
		336	rxvt_free_strsplit (arr);
		337	}
		338
434	if (check_set_scale_value (geom_flags, WidthValue, h_scale, w)) ++changed;	339	if (check_set_scale_value (geom_flags, WidthValue, h_scale, w)) changed = true;
435	if (check_set_scale_value (geom_flags, HeightValue, v_scale, h)) ++changed;	340	if (check_set_scale_value (geom_flags, HeightValue, v_scale, h)) changed = true;
436	if (check_set_align_value (geom_flags, XValue, h_align, x)) ++changed;	341	if (check_set_align_value (geom_flags, XValue, h_align, x)) changed = true;
437	if (check_set_align_value (geom_flags, YValue, v_align, y)) ++changed;	342	if (check_set_align_value (geom_flags, YValue, v_align, y)) changed = true;
438	}
439		343
440	if (new_flags != flags)	344	if (new_flags != bg_flags)
441	{	345	{
442	flags = new_flags;	346	bg_flags = new_flags;
443	changed++;	347	changed = true;
444	}	348	}
445		349
446	//fprintf (stderr, "flags = %lX, scale = %ux%u, align=%+d%+d\n",
447	// flags, h_scale, v_scale, h_align, v_align);
448	return (changed > 0);	350	return changed;
		351	}
		352
		353	void
		354	rxvt_term::get_image_geometry (int image_width, int image_height, int &w, int &h, int &x, int &y)
		355	{
		356	int target_width = szHint.width;
		357	int target_height = szHint.height;
		358
		359	if (bg_flags & BG_PROP_SCALE)
		360	{
		361	float scale = (float)target_width / image_width;
		362	min_it (scale, (float)target_height / image_height);
		363	w = image_width * scale + 0.5;
		364	h = image_height * scale + 0.5;
		365	}
		366	else
		367	{
		368	w = h_scale * target_width / 100;
		369	h = v_scale * target_height / 100;
		370	}
		371
		372	if (!w) w = image_width;
		373	if (!h) h = image_height;
		374
		375	if (bg_flags & BG_ROOT_ALIGN)
		376	{
		377	x = -target_x;
		378	y = -target_y;
		379	}
		380	else
		381	{
		382	x = make_align_position (h_align, target_width, w);
		383	y = make_align_position (v_align, target_height, h);
		384	}
		385
		386	bg_flags &= ~BG_IS_SIZE_SENSITIVE;
		387	if (!(bg_flags & BG_TILE)
		388	|| (bg_flags & BG_PROP_SCALE) || h_scale || v_scale
		389	|| (!(bg_flags & BG_ROOT_ALIGN) && (h_align || v_align))
		390	|| w > target_width || h > target_height)
		391	bg_flags |= BG_IS_SIZE_SENSITIVE;
449	}	392	}
450		393
451	# ifdef HAVE_AFTERIMAGE	394	# ifdef HAVE_AFTERIMAGE
452	bool	395	bool
453	bgPixmap_t::render_asim (ASImage *background, ARGB32 background_tint)	396	rxvt_term::render_image (unsigned long tr_flags)
454	{	397	{
455	if (target == NULL)
456	return false;
457
458	target->init_asv ();	398	init_asv ();
		399
		400	ASImage *background = NULL;
		401	ARGB32 background_tint = TINT_LEAVE_SAME;
		402
		403	# ifdef ENABLE_TRANSPARENCY
		404	if (tr_flags)
		405	background = pixmap2ximage (asv, bg_pixmap, 0, 0, bg_pmap_width, bg_pmap_height, AllPlanes, 100);
		406
		407	if (tr_flags & BG_NEEDS_TINT)
		408	{
		409	ShadingInfo as_shade;
		410	as_shade.shading = shade;
		411
		412	rgba c (rgba::MAX_CC,rgba::MAX_CC,rgba::MAX_CC);
		413	if (bg_flags & BG_TINT_SET)
		414	tint.get (c);
		415	as_shade.tintColor.red = c.r;
		416	as_shade.tintColor.green = c.g;
		417	as_shade.tintColor.blue = c.b;
		418
		419	background_tint = shading2tint32 (&as_shade);
		420	}
		421
		422	if ((tr_flags & BG_NEEDS_BLUR) && background != NULL)
		423	{
		424	ASImage *tmp = blur_asimage_gauss (asv, background, h_blurRadius, v_blurRadius, 0xFFFFFFFF,
		425	(original_asim == NULL || tint == TINT_LEAVE_SAME) ? ASA_XImage : ASA_ASImage,
		426	100, ASIMAGE_QUALITY_DEFAULT);
		427	if (tmp)
		428	{
		429	destroy_asimage (&background);
		430	background = tmp;
		431	}
		432	}
		433	# endif
459		434
460	ASImage *result = 0;	435	ASImage *result = 0;
461		436
462	int target_width = target->szHint.width;	437	int target_width = szHint.width;
463	int target_height = target->szHint.height;	438	int target_height = szHint.height;
464	int new_pmap_width = target_width;	439	int new_pmap_width = target_width;
465	int new_pmap_height = target_height;	440	int new_pmap_height = target_height;
466		441
467	int x = 0;	442	int x = 0;
468	int y = 0;	443	int y = 0;
469	int w = h_scale * target_width / 100;	444	int w = 0;
470	int h = v_scale * target_height / 100;	445	int h = 0;
471
472	TIMING_TEST_START (asim);
473		446
474	if (original_asim)	447	if (original_asim)
475	{	448	get_image_geometry (original_asim->width, original_asim->height, w, h, x, y);
476	if (h_align == rootAlign || v_align == rootAlign)
477	{
478	target->get_window_origin(x, y);
479	x = -x;
480	y = -y;
481	}
482
483	if (h_align != rootAlign)
484	x = make_align_position (h_align, target_width, w > 0 ? w : (int)original_asim->width);
485
486	if (v_align != rootAlign)
487	y = make_align_position (v_align, target_height, h > 0 ? h : (int)original_asim->height);
488	}
489		449
490	if (!original_asim	450	if (!original_asim
		451	|| (!(bg_flags & BG_ROOT_ALIGN)
491	|| x >= target_width	452	&& (x >= target_width
492	|| y >= target_height	453	|| y >= target_height
493	|| (w > 0 && x + w <= 0)	454	|| (x + w <= 0)
494	|| (h > 0 && y + h <= 0))	455	|| (y + h <= 0))))
495	{	456	{
496	if (background)	457	if (background)
497	{	458	{
498	new_pmap_width = background->width;	459	new_pmap_width = background->width;
499	new_pmap_height = background->height;	460	new_pmap_height = background->height;
500	result = background;	461	result = background;
501		462
502	if (background_tint != TINT_LEAVE_SAME)	463	if (background_tint != TINT_LEAVE_SAME)
503	{	464	{
504	ASImage *tmp = tile_asimage (target->asv, background, 0, 0,	465	ASImage *tmp = tile_asimage (asv, background, 0, 0,
505	target_width, target_height, background_tint,	466	target_width, target_height, background_tint,
506	ASA_XImage, 100, ASIMAGE_QUALITY_DEFAULT);	467	ASA_XImage, 100, ASIMAGE_QUALITY_DEFAULT);
507	if (tmp)	468	if (tmp)
508	result = tmp;	469	result = tmp;
509	}	470	}
…		…
513	}	474	}
514	else	475	else
515	{	476	{
516	result = original_asim;	477	result = original_asim;
517		478
518	if ((w > 0 && w != original_asim->width)	479	if ((w != original_asim->width)
519	|| (h > 0 && h != original_asim->height))	480	|| (h != original_asim->height))
520	{	481	{
521	result = scale_asimage (target->asv, original_asim,	482	result = scale_asimage (asv, original_asim,
522	w > 0 ? w : original_asim->width,	483	w, h,
523	h > 0 ? h : original_asim->height,
524	background ? ASA_ASImage : ASA_XImage,	484	background ? ASA_ASImage : ASA_XImage,
525	100, ASIMAGE_QUALITY_DEFAULT);	485	100, ASIMAGE_QUALITY_DEFAULT);
526	}	486	}
527		487
528	if (background == NULL)	488	if (background == NULL)
529	{	489	{
		490	if (bg_flags & BG_TILE)
		491	{
530	/* if tiling - pixmap has to be sized exactly as the image,	492	/* if tiling - pixmap has to be sized exactly as the image,
531	but there is no need to make it bigger than the window! */	493	but there is no need to make it bigger than the window! */
532	if (h_scale == 0)
533	new_pmap_width = min (result->width, target_width);	494	new_pmap_width = min (result->width, target_width);
534	if (v_scale == 0)
535	new_pmap_height = min (result->height, target_height);	495	new_pmap_height = min (result->height, target_height);
		496
536	/* we also need to tile our image in one or both directions */	497	/* we also need to tile our image in both directions */
537	if (h_scale == 0 || v_scale == 0)
538	{
539	ASImage *tmp = tile_asimage (target->asv, result,	498	ASImage *tmp = tile_asimage (asv, result,
540	(h_scale > 0) ? 0 : (int)result->width - x,	499	(int)result->width - x,
541	(v_scale > 0) ? 0 : (int)result->height - y,	500	(int)result->height - y,
542	new_pmap_width,	501	new_pmap_width,
543	new_pmap_height,	502	new_pmap_height,
544	TINT_LEAVE_SAME, ASA_XImage,	503	TINT_LEAVE_SAME, ASA_XImage,
545	100, ASIMAGE_QUALITY_DEFAULT);	504	100, ASIMAGE_QUALITY_DEFAULT);
546	if (tmp)	505	if (tmp)
…		…
561	layers[0].clip_width = target_width;	520	layers[0].clip_width = target_width;
562	layers[0].clip_height = target_height;	521	layers[0].clip_height = target_height;
563	layers[0].tint = background_tint;	522	layers[0].tint = background_tint;
564	layers[1].im = result;	523	layers[1].im = result;
565		524
566	if (w <= 0)	525	if (bg_flags & BG_TILE)
567	{	526	{
568	/* tile horizontally */	527	/* tile horizontally */
569	while (x > 0) x -= (int)result->width;	528	while (x > 0) x -= (int)result->width;
570	layers[1].dst_x = x;	529	layers[1].dst_x = x;
571	layers[1].clip_width = result->width+target_width;	530	layers[1].clip_width = result->width+target_width;
…		…
575	/* clip horizontally */	534	/* clip horizontally */
576	layers[1].dst_x = x;	535	layers[1].dst_x = x;
577	layers[1].clip_width = result->width;	536	layers[1].clip_width = result->width;
578	}	537	}
579		538
580	if (h <= 0)	539	if (bg_flags & BG_TILE)
581	{	540	{
582	while (y > 0) y -= (int)result->height;	541	while (y > 0) y -= (int)result->height;
583	layers[1].dst_y = y;	542	layers[1].dst_y = y;
584	layers[1].clip_height = result->height + target_height;	543	layers[1].clip_height = result->height + target_height;
585	}	544	}
…		…
587	{	546	{
588	layers[1].dst_y = y;	547	layers[1].dst_y = y;
589	layers[1].clip_height = result->height;	548	layers[1].clip_height = result->height;
590	}	549	}
591		550
592	if (target->rs[Rs_blendtype])	551	if (rs[Rs_blendtype])
593	{	552	{
594	layers[1].merge_scanlines = blend_scanlines_name2func (target->rs[Rs_blendtype]);	553	layers[1].merge_scanlines = blend_scanlines_name2func (rs[Rs_blendtype]);
595	if (layers[1].merge_scanlines == NULL)	554	if (layers[1].merge_scanlines == NULL)
596	layers[1].merge_scanlines = alphablend_scanlines;	555	layers[1].merge_scanlines = alphablend_scanlines;
597	}	556	}
598		557
599	ASImage *tmp = merge_layers (target->asv, layers, 2, target_width, target_height,	558	ASImage *tmp = merge_layers (asv, layers, 2, target_width, target_height,
600	ASA_XImage, 0, ASIMAGE_QUALITY_DEFAULT);	559	ASA_XImage, 0, ASIMAGE_QUALITY_DEFAULT);
601		560
602	if (tmp)	561	if (tmp)
603	{	562	{
604	if (result != original_asim)	563	if (result != original_asim)
…		…
608	}	567	}
609		568
610	free (layers);	569	free (layers);
611	}	570	}
612	}	571	}
613	TIMING_TEST_PRINT_RESULT (asim);
614		572
615	if (pixmap)	573	bool ret = false;
616	{
617	if (result == NULL
618	|| pmap_width != new_pmap_width
619	|| pmap_height != new_pmap_height
620	|| pmap_depth != target->depth)
621	{
622	XFreePixmap (target->dpy, pixmap);
623	pixmap = None;
624	}
625	}
626		574
627	if (result)	575	if (result)
628	{	576	{
629	XGCValues gcv;	577	XGCValues gcv;
630	GC gc;	578	GC gc;
631		579
632	/* create Pixmap */	580	/* create Pixmap */
633	if (pixmap == None)	581	if (bg_pixmap == None
		582	|| bg_pmap_width != new_pmap_width
		583	|| bg_pmap_height != new_pmap_height)
634	{	584	{
		585	if (bg_pixmap)
		586	XFreePixmap (dpy, bg_pixmap);
635	pixmap = XCreatePixmap (target->dpy, target->vt, new_pmap_width, new_pmap_height, target->depth);	587	bg_pixmap = XCreatePixmap (dpy, vt, new_pmap_width, new_pmap_height, depth);
636	pmap_width = new_pmap_width;	588	bg_pmap_width = new_pmap_width;
637	pmap_height = new_pmap_height;	589	bg_pmap_height = new_pmap_height;
638	pmap_depth = target->depth;
639	}	590	}
640	/* fill with background color ( if result's not completely overlapping it)*/	591	/* fill with background color (if result's not completely overlapping it) */
641	gcv.foreground = target->pix_colors[Color_bg];	592	gcv.foreground = pix_colors[Color_bg];
642	gc = XCreateGC (target->dpy, target->vt, GCForeground, &gcv);	593	gc = XCreateGC (dpy, vt, GCForeground, &gcv);
643		594
644	int src_x = 0, src_y = 0, dst_x = 0, dst_y = 0;	595	int src_x = 0, src_y = 0, dst_x = 0, dst_y = 0;
645	int dst_width = result->width, dst_height = result->height;	596	int dst_width = result->width, dst_height = result->height;
646	if (background == NULL)	597	if (background == NULL)
647	{	598	{
		599	if (!(bg_flags & BG_TILE))
		600	{
648	if (h_scale > 0) src_x = make_clip_rectangle (x, result->width , new_pmap_width , dst_x, dst_width );	601	src_x = make_clip_rectangle (x, result->width , new_pmap_width , dst_x, dst_width );
649	if (v_scale > 0) src_y = make_clip_rectangle (y, result->height, new_pmap_height, dst_y, dst_height);	602	src_y = make_clip_rectangle (y, result->height, new_pmap_height, dst_y, dst_height);
		603	}
650		604
651	if (dst_x > 0 || dst_y > 0	605	if (dst_x > 0 || dst_y > 0
652	|| dst_x + dst_width < new_pmap_width	606	|| dst_x + dst_width < new_pmap_width
653	|| dst_y + dst_height < new_pmap_height)	607	|| dst_y + dst_height < new_pmap_height)
654	XFillRectangle (target->dpy, pixmap, gc, 0, 0, new_pmap_width, new_pmap_height);	608	XFillRectangle (dpy, bg_pixmap, gc, 0, 0, new_pmap_width, new_pmap_height);
655	}	609	}
656		610
657	/* put result on pixmap */	611	/* put result on pixmap */
658	if (dst_x < new_pmap_width && dst_y < new_pmap_height)	612	if (dst_x < new_pmap_width && dst_y < new_pmap_height)
659	asimage2drawable (target->asv, pixmap, result, gc, src_x, src_y, dst_x, dst_y, dst_width, dst_height, True);	613	asimage2drawable (asv, bg_pixmap, result, gc, src_x, src_y, dst_x, dst_y, dst_width, dst_height, True);
660		614
661	if (result != background && result != original_asim)	615	if (result != background && result != original_asim)
662	destroy_asimage (&result);	616	destroy_asimage (&result);
663		617
664	XFreeGC (target->dpy, gc);	618	XFreeGC (dpy, gc);
665	TIMING_TEST_PRINT_RESULT (asim);	619
		620	ret = true;
		621	}
		622
		623	if (background)
		624	destroy_asimage (&background);
		625
		626	return ret;
		627	}
		628	# endif /* HAVE_AFTERIMAGE */
		629
		630	# ifdef HAVE_PIXBUF
		631	bool
		632	rxvt_term::pixbuf_to_pixmap (GdkPixbuf *pixbuf, Pixmap pixmap, GC gc,
		633	int src_x, int src_y, int dst_x, int dst_y,
		634	unsigned int width, unsigned int height)
		635	{
		636	XImage *ximage;
		637	char *data, *line;
		638	int bytes_per_pixel;
		639	int width_r, width_g, width_b;
		640	int sh_r, sh_g, sh_b;
		641	int rowstride;
		642	int channels;
		643	unsigned char *row;
		644
		645	if (visual->c_class != TrueColor)
		646	return false;
		647
		648	if (depth == 24 || depth == 32)
		649	bytes_per_pixel = 4;
		650	else if (depth == 15 || depth == 16)
		651	bytes_per_pixel = 2;
		652	else
		653	return false;
		654
		655	width_r = ecb_popcount32 (visual->red_mask);
		656	width_g = ecb_popcount32 (visual->green_mask);
		657	width_b = ecb_popcount32 (visual->blue_mask);
		658
		659	if (width_r > 8 || width_g > 8 || width_b > 8)
		660	return false;
		661
		662	sh_r = ecb_ctz32 (visual->red_mask);
		663	sh_g = ecb_ctz32 (visual->green_mask);
		664	sh_b = ecb_ctz32 (visual->blue_mask);
		665
		666	if (width > INT_MAX / height / bytes_per_pixel)
		667	return false;
		668
		669	data = (char *)malloc (width * height * bytes_per_pixel);
		670	if (!data)
		671	return false;
		672
		673	ximage = XCreateImage (dpy, visual, depth, ZPixmap, 0, data,
		674	width, height, bytes_per_pixel * 8, 0);
		675	if (!ximage)
666	}	676	{
		677	free (data);
		678	return false;
		679	}
667		680
		681	ximage->byte_order = ecb_big_endian () ? MSBFirst : LSBFirst;
		682
		683	rowstride = gdk_pixbuf_get_rowstride (pixbuf);
		684	channels = gdk_pixbuf_get_n_channels (pixbuf);
		685	row = gdk_pixbuf_get_pixels (pixbuf) + src_y * rowstride + src_x * channels;
		686	line = data;
		687
		688	for (int y = 0; y < height; y++)
		689	{
		690	for (int x = 0; x < width; x++)
		691	{
		692	unsigned char *pixel = row + x * channels;
		693	uint32_t value;
		694
		695	value = ((pixel[0] >> (8 - width_r)) << sh_r)
		696	| ((pixel[1] >> (8 - width_g)) << sh_g)
		697	| ((pixel[2] >> (8 - width_b)) << sh_b);
		698
		699	if (bytes_per_pixel == 4)
		700	((uint32_t *)line)[x] = value;
		701	else
		702	((uint16_t *)line)[x] = value;
		703	}
		704
		705	row += rowstride;
		706	line += ximage->bytes_per_line;
		707	}
		708
		709	XPutImage (dpy, pixmap, gc, ximage, 0, 0, dst_x, dst_y, width, height);
		710	XDestroyImage (ximage);
668	return true;	711	return true;
669	}	712	}
670	# endif /* HAVE_AFTERIMAGE */
671		713
672	bool	714	bool
673	bgPixmap_t::set_file (const char *file)	715	rxvt_term::render_image (unsigned long tr_flags)
674	{	716	{
675	assert (file);	717	if (!pixbuf)
		718	return false;
676		719
677	if (*file)	720	if (tr_flags
		721	&& !(bg_flags & BG_HAS_RENDER))
		722	return false;
		723
		724	GdkPixbuf *result;
		725
		726	int image_width = gdk_pixbuf_get_width (pixbuf);
		727	int image_height = gdk_pixbuf_get_height (pixbuf);
		728
		729	int target_width = szHint.width;
		730	int target_height = szHint.height;
		731	int new_pmap_width = target_width;
		732	int new_pmap_height = target_height;
		733
		734	int x = 0;
		735	int y = 0;
		736	int w = 0;
		737	int h = 0;
		738
		739	get_image_geometry (image_width, image_height, w, h, x, y);
		740
		741	if (!(bg_flags & BG_ROOT_ALIGN)
		742	&& (x >= target_width
		743	|| y >= target_height
		744	|| (x + w <= 0)
		745	|| (y + h <= 0)))
		746	return false;
		747
		748	result = pixbuf;
		749
		750	if ((w != image_width)
		751	|| (h != image_height))
		752	{
		753	result = gdk_pixbuf_scale_simple (pixbuf,
		754	w, h,
		755	GDK_INTERP_BILINEAR);
678	{	756	}
		757
		758	if (!result)
		759	return false;
		760
		761	bool ret = false;
		762
		763	XGCValues gcv;
		764	GC gc;
		765	Pixmap root_pmap;
		766
		767	image_width = gdk_pixbuf_get_width (result);
		768	image_height = gdk_pixbuf_get_height (result);
		769
		770	if (tr_flags)
		771	{
		772	root_pmap = bg_pixmap;
		773	bg_pixmap = None;
		774	}
		775	else
		776	{
		777	if (bg_flags & BG_TILE)
		778	{
		779	new_pmap_width = min (image_width, target_width);
		780	new_pmap_height = min (image_height, target_height);
		781	}
		782	}
		783
		784	if (bg_pixmap == None
		785	|| bg_pmap_width != new_pmap_width
		786	|| bg_pmap_height != new_pmap_height)
		787	{
		788	if (bg_pixmap)
		789	XFreePixmap (dpy, bg_pixmap);
		790	bg_pixmap = XCreatePixmap (dpy, vt, new_pmap_width, new_pmap_height, depth);
		791	bg_pmap_width = new_pmap_width;
		792	bg_pmap_height = new_pmap_height;
		793	}
		794
		795	gcv.foreground = pix_colors[Color_bg];
		796	gc = XCreateGC (dpy, vt, GCForeground, &gcv);
		797
		798	if (gc)
		799	{
		800	if (bg_flags & BG_TILE)
		801	{
		802	Pixmap tile = XCreatePixmap (dpy, vt, image_width, image_height, depth);
		803	pixbuf_to_pixmap (result, tile, gc,
		804	0, 0,
		805	0, 0,
		806	image_width, image_height);
		807
		808	gcv.tile = tile;
		809	gcv.fill_style = FillTiled;
		810	gcv.ts_x_origin = x;
		811	gcv.ts_y_origin = y;
		812	XChangeGC (dpy, gc, GCFillStyle | GCTile | GCTileStipXOrigin | GCTileStipYOrigin, &gcv);
		813
		814	XFillRectangle (dpy, bg_pixmap, gc, 0, 0, new_pmap_width, new_pmap_height);
		815	XFreePixmap (dpy, tile);
		816	}
		817	else
		818	{
		819	int src_x, src_y, dst_x, dst_y;
		820	int dst_width, dst_height;
		821
		822	src_x = make_clip_rectangle (x, image_width , new_pmap_width , dst_x, dst_width );
		823	src_y = make_clip_rectangle (y, image_height, new_pmap_height, dst_y, dst_height);
		824
		825	if (dst_x > 0 || dst_y > 0
		826	|| dst_x + dst_width < new_pmap_width
		827	|| dst_y + dst_height < new_pmap_height)
		828	XFillRectangle (dpy, bg_pixmap, gc, 0, 0, new_pmap_width, new_pmap_height);
		829
		830	if (dst_x < new_pmap_width && dst_y < new_pmap_height)
		831	pixbuf_to_pixmap (result, bg_pixmap, gc,
		832	src_x, src_y,
		833	dst_x, dst_y,
		834	dst_width, dst_height);
		835	}
		836
		837	#if XRENDER
		838	if (tr_flags)
		839	{
		840	XRenderPictureAttributes pa;
		841
		842	XRenderPictFormat *src_format = XRenderFindVisualFormat (dpy, visual);
		843	Picture src = XRenderCreatePicture (dpy, root_pmap, src_format, 0, &pa);
		844
		845	XRenderPictFormat *dst_format = XRenderFindVisualFormat (dpy, visual);
		846	Picture dst = XRenderCreatePicture (dpy, bg_pixmap, dst_format, 0, &pa);
		847
		848	pa.repeat = True;
		849	Pixmap mask_pmap = XCreatePixmap (dpy, vt, 1, 1, 8);
		850	XRenderPictFormat *mask_format = XRenderFindStandardFormat (dpy, PictStandardA8);
		851	Picture mask = XRenderCreatePicture (dpy, mask_pmap, mask_format, CPRepeat, &pa);
		852	XFreePixmap (dpy, mask_pmap);
		853
		854	XRenderColor mask_c;
		855
		856	mask_c.alpha = 0x8000;
		857	mask_c.red = 0;
		858	mask_c.green = 0;
		859	mask_c.blue = 0;
		860	XRenderFillRectangle (dpy, PictOpSrc, mask, &mask_c, 0, 0, 1, 1);
		861	XRenderComposite (dpy, PictOpOver, src, mask, dst, 0, 0, 0, 0, 0, 0, target_width, target_height);
		862
		863	XRenderFreePicture (dpy, src);
		864	XRenderFreePicture (dpy, dst);
		865	XRenderFreePicture (dpy, mask);
		866	}
		867	#endif
		868
		869	XFreeGC (dpy, gc);
		870
		871	ret = true;
		872	}
		873
		874	if (result != pixbuf)
		875	g_object_unref (result);
		876
		877	if (tr_flags)
		878	XFreePixmap (dpy, root_pmap);
		879
		880	return ret;
		881	}
		882	# endif /* HAVE_PIXBUF */
		883
		884	bool
		885	rxvt_term::bg_set_file (const char *file)
		886	{
		887	if (!file || !*file)
		888	return false;
		889
		890	if (const char *p = strchr (file, ';'))
		891	{
		892	size_t len = p - file;
		893	char *f = rxvt_temp_buf<char> (len + 1);
		894	memcpy (f, file, len);
		895	f[len] = '\0';
		896	file = f;
		897	}
		898
679	# ifdef HAVE_AFTERIMAGE	899	# ifdef HAVE_AFTERIMAGE
680	if (!target->asimman)	900	if (!asimman)
681	target->asimman = create_generic_imageman (target->rs[Rs_path]);	901	asimman = create_generic_imageman (rs[Rs_path]);
682
683	if (const char *p = strchr (file, ';'))
684	{
685	size_t len = p - file;
686	char *f = rxvt_temp_buf<char> (len + 1);
687	memcpy (f, file, len);
688	f[len] = '\0';
689	original_asim = get_asimage (target->asimman, f, 0xFFFFFFFF, 100);
690	}
691	else
692	original_asim = get_asimage (target->asimman, file, 0xFFFFFFFF, 100);	902	ASImage *image = get_asimage (asimman, file, 0xFFFFFFFF, 100);
693		903	if (image)
694	return original_asim;	904	{
		905	if (original_asim)
		906	safe_asimage_destroy (original_asim);
		907	original_asim = image;
		908	bg_flags |= BG_IS_FROM_FILE | BG_CLIENT_RENDER;
		909	return true;
		910	}
695	# endif	911	# endif
		912
		913	# ifdef HAVE_PIXBUF
		914	GdkPixbuf *image = gdk_pixbuf_new_from_file (file, NULL);
		915	if (image)
696	}	916	{
		917	if (pixbuf)
		918	g_object_unref (pixbuf);
		919	pixbuf = image;
		920	bg_flags |= BG_IS_FROM_FILE;
		921	return true;
		922	}
		923	# endif
697		924
698	return false;	925	return false;
699	}	926	}
700		927
701	# endif /* BG_IMAGE_FROM_FILE */	928	# endif /* BG_IMAGE_FROM_FILE */
702		929
703	# ifdef ENABLE_TRANSPARENCY	930	# ifdef ENABLE_TRANSPARENCY
704	bool	931	bool
705	bgPixmap_t::set_transparent ()	932	rxvt_term::bg_set_transparent ()
706	{	933	{
707	if (!(flags & isTransparent))	934	if (!(bg_flags & BG_IS_TRANSPARENT))
708	{	935	{
709	flags |= isTransparent;	936	bg_flags |= BG_IS_TRANSPARENT;
710	return true;	937	return true;
711	}	938	}
712		939
713	return false;	940	return false;
714	}	941	}
715		942
716	bool	943	bool
717	bgPixmap_t::set_blur_radius (const char *geom)	944	rxvt_term::bg_set_blur (const char *geom)
718	{	945	{
719	int changed = 0;	946	bool changed = false;
720	unsigned int hr, vr;	947	unsigned int hr, vr;
721	int junk;	948	int junk;
722	int geom_flags = XParseGeometry (geom, &junk, &junk, &hr, &vr);	949	int geom_flags = XParseGeometry (geom, &junk, &junk, &hr, &vr);
723		950
724	if (!(geom_flags&WidthValue))	951	if (!(geom_flags & WidthValue))
725	hr = 1;	952	hr = 1;
726	if (!(geom_flags&HeightValue))	953	if (!(geom_flags & HeightValue))
727	vr = hr;	954	vr = hr;
728		955
		956	min_it (hr, 128);
		957	min_it (vr, 128);
		958
729	if (h_blurRadius != hr)	959	if (h_blurRadius != hr)
730	{	960	{
731	++changed;	961	changed = true;
732	h_blurRadius = hr;	962	h_blurRadius = hr;
733	}	963	}
734		964
735	if (v_blurRadius != vr)	965	if (v_blurRadius != vr)
736	{	966	{
737	++changed;	967	changed = true;
738	v_blurRadius = vr;	968	v_blurRadius = vr;
739	}	969	}
740		970
741	if (v_blurRadius == 0 && h_blurRadius == 0)	971	if (v_blurRadius == 0 && h_blurRadius == 0)
742	flags &= ~blurNeeded;	972	bg_flags &= ~BG_NEEDS_BLUR;
743	else	973	else
744	flags |= blurNeeded;	974	bg_flags |= BG_NEEDS_BLUR;
745		975
746	return (changed>0);	976	return changed;
747	}	977	}
748		978
749	static inline unsigned long	979	void
750	compute_tint_shade_flags (rxvt_color *tint, int shade)	980	rxvt_term::set_tint_shade_flags ()
751	{	981	{
752	unsigned long flags = 0;
753	rgba c (rgba::MAX_CC,rgba::MAX_CC,rgba::MAX_CC);	982	rgba c (rgba::MAX_CC,rgba::MAX_CC,rgba::MAX_CC);
754	bool has_shade = (shade > 0 && shade < 100) || (shade > 100 && shade < 200);	983	bool has_shade = shade != 100;
755		984
756	if (tint)	985	bg_flags &= ~BG_TINT_FLAGS;
		986
		987	if (bg_flags & BG_TINT_SET)
757	{	988	{
758	tint->get (c);	989	tint.get (c);
759	# define IS_COMPONENT_WHOLESOME(cmp) ((cmp) <= 0x000700 || (cmp) >= 0x00f700)
760	if (!has_shade && IS_COMPONENT_WHOLESOME (c.r)
761	&& IS_COMPONENT_WHOLESOME (c.g)
762	&& IS_COMPONENT_WHOLESOME (c.b))
763	flags |= bgPixmap_t::tintWholesome;
764	# undef IS_COMPONENT_WHOLESOME
765	}
766
767	if (has_shade)	990	if (!has_shade
768	flags |= bgPixmap_t::tintNeeded;	991	&& (c.r <= 0x00ff || c.r >= 0xff00)
769	else if (tint)	992	&& (c.g <= 0x00ff || c.g >= 0xff00)
		993	&& (c.b <= 0x00ff || c.b >= 0xff00))
		994	bg_flags |= BG_TINT_BITAND;
770	{	995	}
771	if ((c.r > 0x000700 || c.g > 0x000700 || c.b > 0x000700)	996
772	&& (c.r < 0x00f700 || c.g < 0x00f700 || c.b < 0x00f700))	997	if (has_shade || (bg_flags & BG_TINT_SET))
		998	bg_flags |= BG_NEEDS_TINT;
		999	}
		1000
		1001	bool
		1002	rxvt_term::bg_set_tint (rxvt_color &new_tint)
		1003	{
		1004	if (!(bg_flags & BG_TINT_SET) || tint != new_tint)
		1005	{
		1006	tint = new_tint;
		1007	bg_flags |= BG_TINT_SET;
		1008	set_tint_shade_flags ();
		1009	return true;
		1010	}
		1011
		1012	return false;
		1013	}
		1014
		1015	bool
		1016	rxvt_term::bg_set_shade (const char *shade_str)
		1017	{
		1018	int new_shade = (shade_str) ? atoi (shade_str) : 100;
		1019
		1020	clamp_it (new_shade, -100, 200);
		1021	if (new_shade < 0)
		1022	new_shade = 200 - (100 + new_shade);
		1023
		1024	if (new_shade != shade)
		1025	{
		1026	shade = new_shade;
		1027	set_tint_shade_flags ();
		1028	return true;
		1029	}
		1030
		1031	return false;
		1032	}
		1033
		1034	#if XRENDER
		1035	static void
		1036	get_gaussian_kernel (int radius, int width, double *kernel, XFixed *params)
		1037	{
		1038	double sigma = radius / 2.0;
		1039	double scale = sqrt (2.0 * M_PI) * sigma;
		1040	double sum = 0.0;
		1041
		1042	for (int i = 0; i < width; i++)
		1043	{
		1044	double x = i - width / 2;
		1045	kernel[i] = exp (-(x * x) / (2.0 * sigma * sigma)) / scale;
		1046	sum += kernel[i];
		1047	}
		1048
		1049	params[0] = XDoubleToFixed (width);
		1050	params[1] = XDoubleToFixed (1);
		1051
		1052	for (int i = 0; i < width; i++)
		1053	params[i+2] = XDoubleToFixed (kernel[i] / sum);
		1054	}
		1055	#endif
		1056
		1057	bool
		1058	rxvt_term::blur_pixmap (Pixmap pixmap, Visual *visual, int width, int height)
		1059	{
		1060	bool ret = false;
		1061	#if XRENDER
		1062	int size = max (h_blurRadius, v_blurRadius) * 2 + 1;
		1063	double *kernel = (double *)malloc (size * sizeof (double));
		1064	XFixed *params = (XFixed *)malloc ((size + 2) * sizeof (XFixed));
		1065
		1066	XRenderPictureAttributes pa;
		1067	XRenderPictFormat *format = XRenderFindVisualFormat (dpy, visual);
		1068
		1069	Picture src = XRenderCreatePicture (dpy, pixmap, format, 0, &pa);
		1070	Picture dst = XRenderCreatePicture (dpy, pixmap, format, 0, &pa);
		1071
		1072	if (kernel && params)
		1073	{
		1074	if (h_blurRadius)
773	{	1075	{
774	flags |= bgPixmap_t::tintNeeded;	1076	size = h_blurRadius * 2 + 1;
		1077	get_gaussian_kernel (h_blurRadius, size, kernel, params);
		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);
775	}	1089	}
776	}
777		1090
778	if (flags & bgPixmap_t::tintNeeded)	1091	if (v_blurRadius)
		1092	{
		1093	size = v_blurRadius * 2 + 1;
		1094	get_gaussian_kernel (v_blurRadius, size, kernel, params);
		1095	::swap (params[0], params[1]);
		1096
		1097	XRenderSetPictureFilter (dpy, src, FilterConvolution, params, size+2);
		1098	XRenderComposite (dpy,
		1099	PictOpSrc,
		1100	src,
		1101	None,
		1102	dst,
		1103	0, 0,
		1104	0, 0,
		1105	0, 0,
		1106	width, height);
		1107	}
		1108
		1109	ret = true;
779	{	1110	}
780	if (flags & bgPixmap_t::tintWholesome)	1111
781	flags |= bgPixmap_t::tintServerSide;	1112	free (kernel);
		1113	free (params);
		1114	XRenderFreePicture (dpy, src);
		1115	XRenderFreePicture (dpy, dst);
		1116	#endif
		1117	return ret;
		1118	}
		1119
		1120	bool
		1121	rxvt_term::tint_pixmap (Pixmap pixmap, Visual *visual, int width, int height)
		1122	{
		1123	bool ret = false;
		1124
		1125	if (bg_flags & BG_TINT_BITAND)
		1126	{
		1127	XGCValues gcv;
		1128	GC gc;
		1129
		1130	/* In this case we can tint image server-side getting significant
		1131	* performance improvements, as we eliminate XImage transfer
		1132	*/
		1133	gcv.foreground = Pixel (tint);
		1134	gcv.function = GXand;
		1135	gcv.fill_style = FillSolid;
		1136	gc = XCreateGC (dpy, pixmap, GCFillStyle | GCForeground | GCFunction, &gcv);
		1137	if (gc)
		1138	{
		1139	XFillRectangle (dpy, pixmap, gc, 0, 0, width, height);
		1140	ret = true;
		1141	XFreeGC (dpy, gc);
		1142	}
		1143	}
		1144	else
		1145	{
		1146	# if XRENDER
		1147	rgba c (rgba::MAX_CC, rgba::MAX_CC, rgba::MAX_CC);
		1148
		1149	if (bg_flags & BG_TINT_SET)
		1150	tint.get (c);
		1151
		1152	if (shade <= 100)
		1153	{
		1154	c.r = c.r * shade / 100;
		1155	c.g = c.g * shade / 100;
		1156	c.b = c.b * shade / 100;
		1157	}
782	else	1158	else
783	{	1159	{
784	#if XFT	1160	c.r = c.r * (200 - shade) / 100;
785	flags |= bgPixmap_t::tintServerSide;	1161	c.g = c.g * (200 - shade) / 100;
786	#endif	1162	c.b = c.b * (200 - shade) / 100;
		1163	}
		1164
		1165	XRenderPictFormat *solid_format = XRenderFindStandardFormat (dpy, PictStandardARGB32);
		1166	XRenderPictFormat *format = XRenderFindVisualFormat (dpy, visual);
		1167	XRenderPictureAttributes pa;
		1168
		1169	Picture back_pic = XRenderCreatePicture (dpy, pixmap, format, 0, &pa);
		1170
		1171	pa.repeat = True;
		1172
		1173	Pixmap overlay_pmap = XCreatePixmap (dpy, pixmap, 1, 1, 32);
		1174	Picture overlay_pic = XRenderCreatePicture (dpy, overlay_pmap, solid_format, CPRepeat, &pa);
		1175	XFreePixmap (dpy, overlay_pmap);
		1176
		1177	pa.component_alpha = True;
		1178	Pixmap mask_pmap = XCreatePixmap (dpy, pixmap, 1, 1, 32);
		1179	Picture mask_pic = XRenderCreatePicture (dpy, mask_pmap, solid_format, CPRepeat | CPComponentAlpha, &pa);
		1180	XFreePixmap (dpy, mask_pmap);
		1181
		1182	XRenderColor mask_c;
		1183
		1184	mask_c.alpha = 0xffff;
		1185	mask_c.red =
		1186	mask_c.green =
		1187	mask_c.blue = 0;
		1188	XRenderFillRectangle (dpy, PictOpSrc, overlay_pic, &mask_c, 0, 0, 1, 1);
		1189
		1190	mask_c.alpha = 0;
		1191	mask_c.red = 0xffff - c.r;
		1192	mask_c.green = 0xffff - c.g;
		1193	mask_c.blue = 0xffff - c.b;
		1194	XRenderFillRectangle (dpy, PictOpSrc, mask_pic, &mask_c, 0, 0, 1, 1);
		1195	XRenderComposite (dpy, PictOpOver, overlay_pic, mask_pic, back_pic, 0, 0, 0, 0, 0, 0, width, height);
		1196
		1197	if (shade > 100)
787	}	1198	{
788	}	1199	mask_c.red = mask_c.green = mask_c.blue = 0xffff * (shade - 100) / 100;
		1200	mask_c.alpha = 0;
		1201	XRenderFillRectangle (dpy, PictOpSrc, overlay_pic, &mask_c, 0, 0, 1, 1);
789		1202
790	return flags;	1203	XRenderComposite (dpy, PictOpOver, overlay_pic, None, back_pic, 0, 0, 0, 0, 0, 0, width, height);
791	}	1204	}
792		1205
793	bool
794	bgPixmap_t::set_tint (rxvt_color &new_tint)
795	{
796	if (tint != new_tint)
797	{
798	unsigned long new_flags = compute_tint_shade_flags (&new_tint, shade);
799	tint = new_tint;
800	flags = (flags & ~tintFlags) | new_flags | tintSet;
801	return true;	1206	ret = true;
802	}
803		1207
804	return false;	1208	XRenderFreePicture (dpy, mask_pic);
805	}	1209	XRenderFreePicture (dpy, overlay_pic);
806		1210	XRenderFreePicture (dpy, back_pic);
807	bool	1211	# endif
808	bgPixmap_t::unset_tint ()
809	{
810	unsigned long new_flags = compute_tint_shade_flags (NULL, shade);
811
812	if (new_flags != (flags & tintFlags))
813	{	1212	}
814	flags = (flags&~tintFlags)|new_flags;
815	return true;
816	}
817		1213
818	return false;	1214	return ret;
819	}	1215	}
820		1216
821	bool	1217	/*
822	bgPixmap_t::set_shade (const char *shade_str)	1218	* Builds a pixmap of the same size as the terminal window that contains
823	{
824	int new_shade = (shade_str) ? atoi (shade_str) : 0;
825
826	if (new_shade < 0 && new_shade > -100)
827	new_shade = 200 - (100 + new_shade);
828	else if (new_shade == 100)
829	new_shade = 0;
830
831	if (new_shade != shade)
832	{
833	unsigned long new_flags = compute_tint_shade_flags ((flags & tintSet) ? &tint : NULL, new_shade);
834	shade = new_shade;
835	flags = (flags & (~tintFlags | tintSet)) | new_flags;
836	return true;
837	}
838
839	return false;
840	}
841
842	/* make_transparency_pixmap()
843	* Builds a pixmap sized the same as terminal window, with depth same as the root window
844	* that pixmap contains tiled portion of the root pixmap that is supposed to be covered by	1219	* the tiled portion of the root pixmap that is supposed to be covered by
845	* our window.	1220	* our window.
846	*/	1221	*/
847	unsigned long	1222	unsigned long
848	bgPixmap_t::make_transparency_pixmap ()	1223	rxvt_term::make_transparency_pixmap ()
849	{	1224	{
850	unsigned long result = 0;	1225	unsigned long result = 0;
851
852	if (target == NULL)
853	return 0;
854		1226
855	/* root dimensions may change from call to call - but Display structure should	1227	/* root dimensions may change from call to call - but Display structure should
856	* be always up-to-date, so let's use it :	1228	* be always up-to-date, so let's use it :
857	*/	1229	*/
858	Window root = target->display->root;
859	int screen = target->display->screen;	1230	int screen = display->screen;
860	Display *dpy = target->dpy;	1231	int root_depth = DefaultDepth (dpy, screen);
861	int root_width = DisplayWidth (dpy, screen);	1232	int root_width = DisplayWidth (dpy, screen);
862	int root_height = DisplayHeight (dpy, screen);	1233	int root_height = DisplayHeight (dpy, screen);
863	unsigned int root_pmap_width, root_pmap_height;	1234	unsigned int root_pmap_width, root_pmap_height;
864	int window_width = target->szHint.width;	1235	int window_width = szHint.width;
865	int window_height = target->szHint.height;	1236	int window_height = szHint.height;
866	int sx, sy;	1237	int sx, sy;
867	XGCValues gcv;	1238	XGCValues gcv;
		1239	GC gc;
868		1240
869	TIMING_TEST_START (tp);	1241	sx = target_x;
870	target->get_window_origin (sx, sy);	1242	sy = target_y;
871		1243
872	/* check if we are outside of the visible part of the virtual screen : */	1244	/* check if we are outside of the visible part of the virtual screen : */
873	if (sx + window_width <= 0 || sy + window_height <= 0	1245	if (sx + window_width <= 0 || sy + window_height <= 0
874	|| sx >= root_width || sy >= root_height)	1246	|| sx >= root_width || sy >= root_height)
875	return 0;	1247	return 0;
876		1248
		1249	// validate root pixmap and get its size
877	if (root_pixmap != None)	1250	if (root_pixmap != None)
878	{	1251	{
879	/* we want to validate the pixmap and get it's size at the same time : */	1252	Window wdummy;
880	int junk;	1253	int idummy;
881	unsigned int ujunk;	1254	unsigned int udummy;
882	/* root pixmap may be bad - allow a error */	1255
883	target->allowedxerror = -1;	1256	allowedxerror = -1;
884		1257
885	if (!XGetGeometry (dpy, root_pixmap, &root, &junk, &junk, &root_pmap_width, &root_pmap_height, &ujunk, &ujunk))	1258	if (!XGetGeometry (dpy, root_pixmap, &wdummy, &idummy, &idummy, &root_pmap_width, &root_pmap_height, &udummy, &udummy))
886	root_pixmap = None;	1259	root_pixmap = None;
887		1260
888	target->allowedxerror = 0;	1261	allowedxerror = 0;
		1262	}
		1263
		1264	Pixmap recoded_root_pmap = root_pixmap;
		1265
		1266	if (root_pixmap != None && root_depth != depth)
889	}	1267	{
		1268	#if XRENDER
		1269	if (bg_flags & BG_HAS_RENDER)
		1270	{
		1271	recoded_root_pmap = XCreatePixmap (dpy, vt, root_pmap_width, root_pmap_height, depth);
890		1272
891	Pixmap tiled_root_pmap = XCreatePixmap (dpy, root, window_width, window_height, root_depth);	1273	XRenderPictureAttributes pa;
892	GC gc = NULL;
893		1274
894	if (tiled_root_pmap == None) /* something really bad happened - abort */	1275	XRenderPictFormat *src_format = XRenderFindVisualFormat (dpy, DefaultVisual (dpy, screen));
		1276	Picture src = XRenderCreatePicture (dpy, root_pixmap, src_format, 0, &pa);
		1277
		1278	XRenderPictFormat *dst_format = XRenderFindVisualFormat (dpy, visual);
		1279	Picture dst = XRenderCreatePicture (dpy, recoded_root_pmap, dst_format, 0, &pa);
		1280
		1281	XRenderComposite (dpy, PictOpSrc, src, None, dst, 0, 0, 0, 0, 0, 0, root_pmap_width, root_pmap_height);
		1282
		1283	XRenderFreePicture (dpy, src);
		1284	XRenderFreePicture (dpy, dst);
		1285	}
		1286	else
		1287	#endif
		1288	recoded_root_pmap = None;
		1289	}
		1290
		1291	if (recoded_root_pmap == None)
895	return 0;	1292	return 0;
896		1293
897	if (root_pixmap == None)	1294	if (bg_pixmap == None
898	{	1295	|| bg_pmap_width != window_width
899	/* use tricks to obtain the root background image :*/	1296	|| bg_pmap_height != window_height)
900	/* we want to create Overrideredirect window overlapping out window
901	with background type of Parent Relative and then grab it */
902	XSetWindowAttributes attr;
903	Window src;
904	bool success = false;
905
906	attr.background_pixmap = ParentRelative;
907	attr.backing_store = Always;
908	attr.event_mask = ExposureMask;
909	attr.override_redirect = True;
910	src = XCreateWindow (dpy, root, sx, sy, window_width, window_height, 0,
911	CopyFromParent, CopyFromParent, CopyFromParent,
912	CWBackPixmap|CWBackingStore|CWOverrideRedirect|CWEventMask,
913	&attr);
914
915	if (src != None)
916	{
917	XEvent event;
918	int ev_count = 0;
919	XGrabServer (dpy);
920	XMapRaised (dpy, src);
921	XSync (dpy, False);
922
923	/* XSync should get window where it's properly exposed,
924	* but to be on the safe side - let's check for the actual event to arrive : */
925	while (XCheckWindowEvent (dpy, src, ExposureMask, &event))
926	++ev_count;
927
928	if (ev_count > 0);
929	{
930	/* hooray! - we can grab the image! */
931	gc = XCreateGC (dpy, root, 0, NULL);
932	if (gc)
933	{
934	XCopyArea (dpy, src, tiled_root_pmap, gc, 0, 0, window_width, window_height, 0, 0);
935	success = true;
936	}
937	}
938
939	XDestroyWindow (dpy, src);
940	XUngrabServer (dpy);
941	//fprintf (stderr, "%s:%d: ev_count = %d\n", __FUNCTION__, __LINE__, ev_count);
942	}
943
944	if (!success)
945	{
946	XFreePixmap (dpy, tiled_root_pmap);
947	tiled_root_pmap = None;
948	}
949	else
950	result |= transpPmapTiled;
951	}	1297	{
952	else	1298	if (bg_pixmap)
		1299	XFreePixmap (dpy, bg_pixmap);
		1300	bg_pixmap = XCreatePixmap (dpy, vt, window_width, window_height, depth);
		1301	bg_pmap_width = window_width;
		1302	bg_pmap_height = window_height;
953	{	1303	}
		1304
954	/* straightforward pixmap copy */	1305	/* straightforward pixmap copy */
		1306	while (sx < 0) sx += root_width;
		1307	while (sy < 0) sy += root_height;
		1308
955	gcv.tile = root_pixmap;	1309	gcv.tile = recoded_root_pmap;
956	gcv.fill_style = FillTiled;	1310	gcv.fill_style = FillTiled;
957
958	while (sx < 0) sx += (int)root_width;
959	while (sy < 0) sy += (int)root_height;
960
961	gcv.ts_x_origin = -sx;	1311	gcv.ts_x_origin = -sx;
962	gcv.ts_y_origin = -sy;	1312	gcv.ts_y_origin = -sy;
963	gc = XCreateGC (dpy, root, GCFillStyle | GCTile | GCTileStipXOrigin | GCTileStipYOrigin, &gcv);	1313	gc = XCreateGC (dpy, vt, GCFillStyle | GCTile | GCTileStipXOrigin | GCTileStipYOrigin, &gcv);
		1314
		1315	if (gc)
		1316	{
		1317	XFillRectangle (dpy, bg_pixmap, gc, 0, 0, window_width, window_height);
		1318	result |= BG_IS_VALID | (bg_flags & BG_EFFECTS_FLAGS);
		1319	XFreeGC (dpy, gc);
		1320
		1321	if (!(bg_flags & BG_CLIENT_RENDER))
		1322	{
		1323	if ((bg_flags & BG_NEEDS_BLUR)
		1324	&& (bg_flags & BG_HAS_RENDER_CONV))
		1325	{
		1326	if (blur_pixmap (bg_pixmap, visual, window_width, window_height))
		1327	result &= ~BG_NEEDS_BLUR;
		1328	}
		1329	if ((bg_flags & BG_NEEDS_TINT)
		1330	&& (bg_flags & (BG_TINT_BITAND | BG_HAS_RENDER)))
		1331	{
		1332	if (tint_pixmap (bg_pixmap, visual, window_width, window_height))
		1333	result &= ~BG_NEEDS_TINT;
		1334	}
		1335	} /* server side rendering completed */
		1336	}
		1337
		1338	if (recoded_root_pmap != root_pixmap)
		1339	XFreePixmap (dpy, recoded_root_pmap);
		1340
		1341	return result;
		1342	}
		1343
		1344	void
		1345	rxvt_term::bg_set_root_pixmap ()
		1346	{
		1347	Pixmap new_root_pixmap = get_pixmap_property (xa[XA_XROOTPMAP_ID]);
		1348	if (new_root_pixmap == None)
		1349	new_root_pixmap = get_pixmap_property (xa[XA_ESETROOT_PMAP_ID]);
		1350
		1351	root_pixmap = new_root_pixmap;
		1352	}
		1353	# endif /* ENABLE_TRANSPARENCY */
		1354
		1355	#if defined(ENABLE_TRANSPARENCY) && !defined(HAVE_AFTERIMAGE)
		1356	static void shade_ximage (Visual *visual, XImage *ximage, int shade, const rgba &c);
		1357	# endif
		1358
		1359	bool
		1360	rxvt_term::bg_render ()
		1361	{
		1362	unsigned long tr_flags = 0;
		1363
		1364	bg_invalidate ();
		1365	# ifdef ENABLE_TRANSPARENCY
		1366	if (bg_flags & BG_IS_TRANSPARENT)
		1367	{
		1368	/* we need to re-generate transparency pixmap in that case ! */
		1369	tr_flags = make_transparency_pixmap ();
		1370	if (tr_flags == 0)
		1371	return false;
		1372	else if (!(tr_flags & BG_EFFECTS_FLAGS))
		1373	bg_flags |= BG_IS_VALID;
		1374	}
		1375	# endif
		1376
		1377	# ifdef BG_IMAGE_FROM_FILE
		1378	if ((bg_flags & BG_IS_FROM_FILE)
		1379	|| (tr_flags & BG_EFFECTS_FLAGS))
		1380	{
		1381	if (render_image (tr_flags))
		1382	bg_flags |= BG_IS_VALID;
		1383	}
		1384	# endif
		1385
		1386	# if defined(ENABLE_TRANSPARENCY) && !defined(HAVE_AFTERIMAGE)
		1387	XImage *result = NULL;
		1388
		1389	if (tr_flags && !(bg_flags & BG_IS_VALID))
		1390	{
		1391	result = XGetImage (dpy, bg_pixmap, 0, 0, bg_pmap_width, bg_pmap_height, AllPlanes, ZPixmap);
		1392	}
		1393
		1394	if (result)
		1395	{
		1396	/* our own client-side tinting */
		1397	if (tr_flags & BG_NEEDS_TINT)
		1398	{
		1399	rgba c (rgba::MAX_CC,rgba::MAX_CC,rgba::MAX_CC);
		1400	if (bg_flags & BG_TINT_SET)
		1401	tint.get (c);
		1402	shade_ximage (DefaultVisual (dpy, display->screen), result, shade, c);
		1403	}
		1404
		1405	GC gc = XCreateGC (dpy, vt, 0UL, NULL);
964		1406
965	if (gc)	1407	if (gc)
966	{	1408	{
967	XFillRectangle (dpy, tiled_root_pmap, gc, 0, 0, window_width, window_height);	1409	XPutImage (dpy, bg_pixmap, gc, result, 0, 0, 0, 0, result->width, result->height);
968	result |= transpPmapTiled;
969	}
970	}
971	TIMING_TEST_PRINT_RESULT (tp);
972		1410
973	if (tiled_root_pmap != None)	1411	XFreeGC (dpy, gc);
974	{	1412	bg_flags |= BG_IS_VALID;
975	if (!need_client_side_rendering ())
976	{	1413	}
977	if ((flags & tintNeeded))
978	{
979	if (flags & tintWholesome)
980	{
981	/* In this case we can tint image server-side getting significant
982	* performance improvements, as we eliminate XImage transfer
983	*/
984	gcv.foreground = Pixel (tint);
985	gcv.function = GXand;
986	gcv.fill_style = FillSolid;
987	if (gc)
988	XChangeGC (dpy, gc, GCFillStyle | GCForeground | GCFunction, &gcv);
989	else
990	gc = XCreateGC (dpy, root, GCFillStyle | GCForeground | GCFunction, &gcv);
991	if (gc)
992	{
993	XFillRectangle (dpy, tiled_root_pmap, gc, 0, 0, window_width, window_height);
994	result |= transpPmapTinted;
995	}
996	}
997	else
998	{
999	# if XFT
1000	Picture back_pic = 0;
1001	rgba c (rgba::MAX_CC,rgba::MAX_CC,rgba::MAX_CC);
1002		1414
1003	if (flags & tintSet)	1415	XDestroyImage (result);
1004	tint.get (c);
1005
1006	if (shade > 0 && shade < 100)
1007	{
1008	c.r = (c.r * shade) / 100;
1009	c.g = (c.g * shade) / 100;
1010	c.b = (c.b * shade) / 100;
1011	}
1012	else if (shade > 100 && shade < 200)
1013	{
1014	c.r = (c.r * (200 - shade)) / 100;
1015	c.g = (c.g * (200 - shade)) / 100;
1016	c.b = (c.b * (200 - shade)) / 100;
1017	}
1018
1019	XRenderPictFormat pf;
1020	pf.type = PictTypeDirect;
1021	pf.depth = 32;
1022	pf.direct.redMask = 0xff;
1023	pf.direct.greenMask = 0xff;
1024	pf.direct.blueMask = 0xff;
1025	pf.direct.alphaMask = 0xff;
1026
1027	XRenderPictFormat *solid_format = XRenderFindFormat (dpy,
1028	(PictFormatType|
1029	PictFormatDepth|
1030	PictFormatRedMask|
1031	PictFormatGreenMask|
1032	PictFormatBlueMask|
1033	PictFormatAlphaMask),
1034	&pf,
1035	0);
1036	XRenderPictFormat *root_format = XRenderFindVisualFormat (dpy, DefaultVisualOfScreen (ScreenOfDisplay (dpy, target->display->screen)));
1037	XRenderPictureAttributes pa ;
1038
1039	back_pic = XRenderCreatePicture (dpy, tiled_root_pmap, root_format, 0, &pa);
1040
1041	pa.repeat = True;
1042
1043	Pixmap overlay_pmap = XCreatePixmap (dpy, root, 1, 1, 32);
1044	Picture overlay_pic = XRenderCreatePicture (dpy, overlay_pmap, solid_format, CPRepeat, &pa);
1045	XFreePixmap (dpy, overlay_pmap);
1046
1047	pa.component_alpha = True;
1048	Pixmap mask_pmap = XCreatePixmap (dpy, root, 1, 1, 32);
1049	Picture mask_pic = XRenderCreatePicture (dpy, mask_pmap, solid_format, CPRepeat|CPComponentAlpha, &pa);
1050	XFreePixmap (dpy, mask_pmap);
1051
1052	if (mask_pic && overlay_pic && back_pic)
1053	{
1054	XRenderColor mask_c;
1055
1056	memset (&mask_c, (shade > 100) ? 0xFF : 0x0, sizeof (mask_c));
1057	mask_c.alpha = 0xffff;
1058	XRenderFillRectangle (dpy, PictOpSrc, overlay_pic, &mask_c, 0, 0, 1, 1);
1059
1060	mask_c.alpha = 0;
1061	mask_c.red = 0xffff - c.r;
1062	mask_c.green = 0xffff - c.g;
1063	mask_c.blue = 0xffff - c.b;
1064	XRenderFillRectangle (dpy, PictOpSrc, mask_pic, &mask_c, 0, 0, 1, 1);
1065	XRenderComposite (dpy, PictOpOver, overlay_pic, mask_pic, back_pic, 0, 0, 0, 0, 0, 0, window_width, window_height);
1066	result |= transpPmapTinted;
1067	}
1068
1069	XRenderFreePicture (dpy, mask_pic);
1070	XRenderFreePicture (dpy, overlay_pic);
1071	XRenderFreePicture (dpy, back_pic);
1072	# if DO_TIMING_TEST
1073	XSync (dpy, False);
1074	# endif
1075	# endif
1076	}
1077	}
1078	} /* server side rendering completed */
1079
1080	if (pixmap)
1081	XFreePixmap (dpy, pixmap);
1082
1083	pixmap = tiled_root_pmap;
1084	pmap_width = window_width;
1085	pmap_height = window_height;
1086	pmap_depth = root_depth;
1087	}
1088
1089	if (gc)
1090	XFreeGC (dpy, gc);
1091
1092	TIMING_TEST_PRINT_RESULT (tp);
1093
1094	return result;
1095	}
1096
1097	bool
1098	bgPixmap_t::set_root_pixmap ()
1099	{
1100	Pixmap new_root_pixmap = target->get_pixmap_property (XA_XROOTPMAP_ID);
1101	if (new_root_pixmap == None)
1102	new_root_pixmap = target->get_pixmap_property (XA_ESETROOT_PMAP_ID);
1103
1104	if (new_root_pixmap != root_pixmap)
1105	{	1416	}
1106	root_pixmap = new_root_pixmap;
1107	return true;
1108	}
1109
1110	return false;
1111	}
1112	# endif /* ENABLE_TRANSPARENCY */
1113
1114	# ifndef HAVE_AFTERIMAGE
1115	static void ShadeXImage(rxvt_term *term, XImage *srcImage, int shade, int rm, int gm, int bm);
1116	# endif	1417	# endif
1117		1418
1118	bool	1419	if (!(bg_flags & BG_IS_VALID))
1119	bgPixmap_t::render ()
1120	{
1121	unsigned long background_flags = 0;
1122
1123	if (target == NULL)
1124	return false;
1125
1126	TIMING_TEST_START (tp);
1127
1128	invalidate ();
1129	# ifdef ENABLE_TRANSPARENCY
1130	if (flags & isTransparent)
1131	{
1132	/* we need to re-generate transparency pixmap in that case ! */
1133	background_flags = make_transparency_pixmap ();
1134	if (background_flags == 0)
1135	return false;
1136	else if ((background_flags & transpTransformations) == (flags & transpTransformations)
1137	&& pmap_depth == target->depth)
1138	flags = flags & ~isInvalid;
1139	}	1420	{
1140	# endif
1141
1142	XImage *result = NULL;
1143	# ifdef HAVE_AFTERIMAGE
1144	if (original_asim
1145	|| (background_flags & transpTransformations) != (flags & transpTransformations))
1146	{
1147	target->init_asv ();
1148
1149	ASImage *background = NULL;
1150	ARGB32 as_tint = TINT_LEAVE_SAME;
1151	if (background_flags)
1152	background = pixmap2ximage (target->asv, pixmap, 0, 0, pmap_width, pmap_height, AllPlanes, 100);
1153
1154	# ifdef ENABLE_TRANSPARENCY
1155	if (!(background_flags & transpPmapTinted) && (flags & tintNeeded))
1156	{
1157	ShadingInfo as_shade;
1158	as_shade.shading = (shade == 0) ? 100 : shade;
1159
1160	rgba c (rgba::MAX_CC,rgba::MAX_CC,rgba::MAX_CC);
1161	if (flags & tintSet)
1162	tint.get (c);
1163	as_shade.tintColor.red = c.r;
1164	as_shade.tintColor.green = c.g;
1165	as_shade.tintColor.blue = c.b;
1166
1167	as_tint = shading2tint32 (&as_shade);
1168	}
1169
1170	if (!(background_flags & transpPmapBlured) && (flags & blurNeeded) && background != NULL)
1171	{
1172	ASImage *tmp = blur_asimage_gauss (target->asv, background, h_blurRadius, v_blurRadius, 0xFFFFFFFF,
1173	(original_asim == NULL || tint == TINT_LEAVE_SAME)?ASA_XImage:ASA_ASImage,
1174	100, ASIMAGE_QUALITY_DEFAULT);
1175	if (tmp)
1176	{
1177	destroy_asimage (&background);
1178	background = tmp;
1179	}
1180	}
1181	# endif
1182
1183	if (render_asim (background, as_tint))
1184	flags = flags & ~isInvalid;
1185	if (background)
1186	destroy_asimage (&background);
1187	}
1188	else if (background_flags && pmap_depth != target->depth)
1189	result = XGetImage (target->dpy, pixmap, 0, 0, pmap_width, pmap_height, AllPlanes, ZPixmap);
1190
1191	# elif !XFT /* our own client-side tinting */
1192
1193	/* ATTENTION: We ASSUME that XFT will let us do all the tinting necessary server-side.
1194	This may need to be changed in need_client_side_rendering() logic is altered !!! */
1195
1196	if (background_flags && (flags & isInvalid))
1197	{
1198	result = XGetImage (target->dpy, pixmap, 0, 0, pmap_width, pmap_height, AllPlanes, ZPixmap);
1199
1200	if (result != NULL && !(background_flags & transpPmapTinted) && (flags & tintNeeded))
1201	{
1202	rgba c (rgba::MAX_CC,rgba::MAX_CC,rgba::MAX_CC);
1203	if (flags & tintSet)
1204	tint.get (c);
1205	ShadeXImage (target, result, shade, c.r, c.g, c.b);
1206	}
1207	}
1208	# endif /* HAVE_AFTERIMAGE */
1209
1210	if (result)
1211	{
1212	GC gc = XCreateGC (target->dpy, target->vt, 0UL, NULL);
1213
1214	if (gc)
1215	{
1216	if (/*pmap_depth != target->depth &&*/ pixmap != None)
1217	{
1218	XFreePixmap (target->dpy, pixmap);
1219	pixmap = None;
1220	}
1221
1222	if (pixmap == None)
1223	{
1224	pixmap = XCreatePixmap (target->dpy, target->vt, result->width, result->height, target->depth);
1225	pmap_width = result->width;
1226	pmap_height = result->height;
1227	pmap_depth = target->depth;
1228	}
1229
1230	if (pmap_depth != result->depth)
1231	{
1232	/* Bad Match error will ensue ! stupid X !!!! */
1233	if (result->depth == 24 && pmap_depth == 32)
1234	result->depth = 32;
1235	else if (result->depth == 32 && pmap_depth == 24)
1236	result->depth = 24;
1237	else
1238	{
1239	/* TODO: implement image recoding */
1240	}
1241	}
1242
1243	if (pmap_depth == result->depth)
1244	XPutImage (target->dpy, pixmap, gc, result, 0, 0, 0, 0, result->width, result->height);
1245
1246	XFreeGC (target->dpy, gc);
1247	flags = flags & ~isInvalid;
1248	}
1249
1250	XDestroyImage (result);
1251	}
1252
1253	if (flags & isInvalid)
1254	{
1255	if (pixmap != None)	1421	if (bg_pixmap != None)
1256	{	1422	{
1257	XFreePixmap (target->dpy, pixmap);	1423	XFreePixmap (dpy, bg_pixmap);
1258	pixmap = None;	1424	bg_pixmap = None;
1259	}	1425	}
1260	}	1426	}
1261		1427
1262	apply ();	1428	scr_recolour (false);
		1429	bg_flags |= BG_NEEDS_REFRESH;
1263		1430
1264	XSync (target->dpy, False);
1265	valid_since = ev::now ();	1431	bg_valid_since = ev::now ();
1266
1267	TIMING_TEST_PRINT_RESULT (tp);
1268		1432
1269	return true;	1433	return true;
1270	}	1434	}
1271		1435
1272	bool
1273	bgPixmap_t::set_target (rxvt_term *new_target)
1274	{
1275	if (new_target)
1276	if (target != new_target)
1277	{
1278	target = new_target;
1279	# ifdef ENABLE_TRANSPARENCY
1280	root_depth = DefaultDepthOfScreen (ScreenOfDisplay (target->dpy, target->display->screen));
1281	# endif
1282	return true;
1283	}
1284
1285	return false;
1286	}
1287
1288	void	1436	void
1289	bgPixmap_t::apply ()	1437	rxvt_term::bg_init ()
1290	{	1438	{
1291	if (target)
1292	{
1293	flags &= ~isVtOrigin;
1294
1295	if (pixmap != None)
1296	{
1297	/* set target's background to pixmap */
1298	# ifdef ENABLE_TRANSPARENCY	1439	#ifdef ENABLE_TRANSPARENCY
1299	if (flags & isTransparent)	1440	shade = 100;
1300	{
1301	XSetWindowBackgroundPixmap (target->dpy, target->parent[0], pixmap);
1302	XSetWindowBackgroundPixmap (target->dpy, target->vt, ParentRelative);
1303
1304	if (target->scrollBar.win)
1305	XSetWindowBackgroundPixmap (target->dpy, target->scrollBar.win, ParentRelative);
1306	}
1307	else
1308	# endif	1441	#endif
1309	{
1310	flags |= isVtOrigin;
1311	/* force old pixmap dereference in case it was transparent before :*/
1312	XSetWindowBackground (target->dpy, target->parent[0], target->pix_colors[Color_border]);
1313	XSetWindowBackgroundPixmap (target->dpy, target->vt, pixmap);
1314	/* do we also need to set scrollbar's background here ? */
1315		1442
1316	if (target->scrollBar.win)	1443	bg_flags &= ~(BG_HAS_RENDER | BG_HAS_RENDER_CONV);
1317	XSetWindowBackground (target->dpy, target->scrollBar.win, target->pix_colors[Color_border]);	1444	#if XRENDER
1318	}	1445	int major, minor;
1319	}	1446	if (XRenderQueryVersion (dpy, &major, &minor))
1320	else	1447	bg_flags |= BG_HAS_RENDER;
1321	{	1448	XFilters *filters = XRenderQueryFilters (dpy, vt);
1322	/* set target background to a pixel */	1449	if (filters)
1323	XSetWindowBackground (target->dpy, target->parent[0], target->pix_colors[Color_border]);
1324	XSetWindowBackground (target->dpy, target->vt, target->pix_colors[Color_bg]);
1325	/* do we also need to set scrollbar's background here ? */
1326	if (target->scrollBar.win)
1327	XSetWindowBackground (target->dpy, target->scrollBar.win, target->pix_colors[Color_border]);
1328	}
1329
1330	/* don't want Expose on the parent or vt. It is better to use
1331	scr_touch or we get a great deal of flicker otherwise: */
1332	XClearWindow (target->dpy, target->parent[0]);
1333
1334	if (target->scrollBar.state && target->scrollBar.win)
1335	{
1336	target->scrollBar.state = STATE_IDLE;
1337	target->scrollBar.show (0);
1338	}
1339
1340	target->want_refresh = 1;
1341	flags |= hasChanged;
1342	}	1450	{
		1451	for (int i = 0; i < filters->nfilter; i++)
		1452	if (!strcmp (filters->filter[i], FilterConvolution))
		1453	bg_flags |= BG_HAS_RENDER_CONV;
		1454
		1455	XFree (filters);
		1456	}
		1457	#endif
1343	}	1458	}
1344		1459
1345	#endif /* HAVE_BG_PIXMAP */	1460	#endif /* HAVE_BG_PIXMAP */
1346		1461
1347	#if defined(ENABLE_TRANSPARENCY) && !defined(HAVE_AFTERIMAGE) && !XFT	1462	#if defined(ENABLE_TRANSPARENCY) && !defined(HAVE_AFTERIMAGE)
1348	/* taken from aterm-0.4.2 */	1463	/* taken from aterm-0.4.2 */
1349		1464
1350	typedef uint32_t RUINT32T;
1351
1352	static void	1465	static void
1353	ShadeXImage(rxvt_term *term, XImage *srcImage, int shade, int rm, int gm, int bm)	1466	shade_ximage (Visual *visual, XImage *ximage, int shade, const rgba &c)
1354	{	1467	{
1355	int sh_r, sh_g, sh_b;	1468	int sh_r, sh_g, sh_b;
1356	RUINT32T mask_r, mask_g, mask_b;	1469	uint32_t mask_r, mask_g, mask_b;
1357	RUINT32T *lookup, *lookup_r, *lookup_g, *lookup_b;	1470	uint32_t *lookup, *lookup_r, *lookup_g, *lookup_b;
1358	unsigned int lower_lim_r, lower_lim_g, lower_lim_b;	1471	rgba low;
1359	unsigned int upper_lim_r, upper_lim_g, upper_lim_b;	1472	rgba high;
1360	int i;	1473	int i;
		1474	int host_byte_order = ecb_big_endian () ? MSBFirst : LSBFirst;
1361		1475
1362	Visual *visual = term->visual;
1363
1364	if (visual->c_class != TrueColor || srcImage->format != ZPixmap) return ;	1476	if (visual->c_class != TrueColor || ximage->format != ZPixmap) return;
1365
1366	if (shade == 0)
1367	shade = 100;
1368		1477
1369	/* for convenience */	1478	/* for convenience */
1370	mask_r = visual->red_mask;	1479	mask_r = visual->red_mask;
1371	mask_g = visual->green_mask;	1480	mask_g = visual->green_mask;
1372	mask_b = visual->blue_mask;	1481	mask_b = visual->blue_mask;
1373		1482
1374	/* boring lookup table pre-initialization */	1483	/* boring lookup table pre-initialization */
1375	switch (srcImage->bits_per_pixel) {	1484	switch (ximage->depth)
		1485	{
1376	case 15:	1486	case 15:
1377	if ((mask_r != 0x7c00) ||	1487	if ((mask_r != 0x7c00) ||
1378	(mask_g != 0x03e0) ||	1488	(mask_g != 0x03e0) ||
1379	(mask_b != 0x001f))	1489	(mask_b != 0x001f))
1380	return;	1490	return;
1381	lookup = (RUINT32T *) malloc (sizeof (RUINT32T)*(32+32+32));	1491	lookup = (uint32_t *) malloc (sizeof (uint32_t)*(32+32+32));
1382	lookup_r = lookup;	1492	lookup_r = lookup;
1383	lookup_g = lookup+32;	1493	lookup_g = lookup+32;
1384	lookup_b = lookup+32+32;	1494	lookup_b = lookup+32+32;
1385	sh_r = 10;	1495	sh_r = 10;
1386	sh_g = 5;	1496	sh_g = 5;
1387	sh_b = 0;	1497	sh_b = 0;
1388	break;	1498	break;
1389	case 16:	1499	case 16:
1390	if ((mask_r != 0xf800) ||	1500	if ((mask_r != 0xf800) ||
1391	(mask_g != 0x07e0) ||	1501	(mask_g != 0x07e0) ||
1392	(mask_b != 0x001f))	1502	(mask_b != 0x001f))
1393	return;	1503	return;
1394	lookup = (RUINT32T *) malloc (sizeof (RUINT32T)*(32+64+32));	1504	lookup = (uint32_t *) malloc (sizeof (uint32_t)*(32+64+32));
1395	lookup_r = lookup;	1505	lookup_r = lookup;
1396	lookup_g = lookup+32;	1506	lookup_g = lookup+32;
1397	lookup_b = lookup+32+64;	1507	lookup_b = lookup+32+64;
1398	sh_r = 11;	1508	sh_r = 11;
1399	sh_g = 5;	1509	sh_g = 5;
1400	sh_b = 0;	1510	sh_b = 0;
1401	break;	1511	break;
1402	case 24:	1512	case 24:
1403	if ((mask_r != 0xff0000) ||	1513	if ((mask_r != 0xff0000) ||
1404	(mask_g != 0x00ff00) ||	1514	(mask_g != 0x00ff00) ||
1405	(mask_b != 0x0000ff))	1515	(mask_b != 0x0000ff))
1406	return;	1516	return;
1407	lookup = (RUINT32T *) malloc (sizeof (RUINT32T)*(256+256+256));	1517	lookup = (uint32_t *) malloc (sizeof (uint32_t)*(256+256+256));
1408	lookup_r = lookup;	1518	lookup_r = lookup;
1409	lookup_g = lookup+256;	1519	lookup_g = lookup+256;
1410	lookup_b = lookup+256+256;	1520	lookup_b = lookup+256+256;
1411	sh_r = 16;	1521	sh_r = 16;
1412	sh_g = 8;	1522	sh_g = 8;
1413	sh_b = 0;	1523	sh_b = 0;
1414	break;	1524	break;
1415	case 32:	1525	case 32:
1416	if ((mask_r != 0xff0000) ||	1526	if ((mask_r != 0xff0000) ||
1417	(mask_g != 0x00ff00) ||	1527	(mask_g != 0x00ff00) ||
1418	(mask_b != 0x0000ff))	1528	(mask_b != 0x0000ff))
1419	return;	1529	return;
1420	lookup = (RUINT32T *) malloc (sizeof (RUINT32T)*(256+256+256));	1530	lookup = (uint32_t *) malloc (sizeof (uint32_t)*(256+256+256));
1421	lookup_r = lookup;	1531	lookup_r = lookup;
1422	lookup_g = lookup+256;	1532	lookup_g = lookup+256;
1423	lookup_b = lookup+256+256;	1533	lookup_b = lookup+256+256;
1424	sh_r = 16;	1534	sh_r = 16;
1425	sh_g = 8;	1535	sh_g = 8;
1426	sh_b = 0;	1536	sh_b = 0;
1427	break;	1537	break;
1428	default:	1538	default:
1429	return; /* we do not support this color depth */	1539	return; /* we do not support this color depth */
1430	}	1540	}
1431		1541
1432	/* prepare limits for color transformation (each channel is handled separately) */	1542	/* prepare limits for color transformation (each channel is handled separately) */
1433	if (shade < 0) {	1543	if (shade > 100)
		1544	{
1434	shade = -shade;	1545	shade = 200 - shade;
1435	if (shade < 0) shade = 0;
1436	if (shade > 100) shade = 100;
1437		1546
1438	lower_lim_r = 65535-rm;	1547	high.r = c.r * shade / 100;
1439	lower_lim_g = 65535-gm;	1548	high.g = c.g * shade / 100;
1440	lower_lim_b = 65535-bm;	1549	high.b = c.b * shade / 100;
1441		1550
1442	lower_lim_r = 65535-(unsigned int)(((RUINT32T)lower_lim_r)*((RUINT32T)shade)/100);	1551	low.r = 65535 * (100 - shade) / 100;
1443	lower_lim_g = 65535-(unsigned int)(((RUINT32T)lower_lim_g)*((RUINT32T)shade)/100);	1552	low.g = 65535 * (100 - shade) / 100;
1444	lower_lim_b = 65535-(unsigned int)(((RUINT32T)lower_lim_b)*((RUINT32T)shade)/100);	1553	low.b = 65535 * (100 - shade) / 100;
1445
1446	upper_lim_r = upper_lim_g = upper_lim_b = 65535;
1447	} else {
1448	if (shade < 0) shade = 0;
1449	if (shade > 100) shade = 100;
1450
1451	lower_lim_r = lower_lim_g = lower_lim_b = 0;
1452
1453	upper_lim_r = (unsigned int)((((RUINT32T)rm)*((RUINT32T)shade))/100);
1454	upper_lim_g = (unsigned int)((((RUINT32T)gm)*((RUINT32T)shade))/100);
1455	upper_lim_b = (unsigned int)((((RUINT32T)bm)*((RUINT32T)shade))/100);
1456	}	1554	}
1457		1555	else
1458	/* switch red and blue bytes if necessary, we need it for some weird XServers like XFree86 3.3.3.1 */
1459	if ((srcImage->bits_per_pixel == 24) && (mask_r >= 0xFF0000 ))
1460	{	1556	{
1461	unsigned int tmp;	1557	high.r = c.r * shade / 100;
		1558	high.g = c.g * shade / 100;
		1559	high.b = c.b * shade / 100;
1462		1560
1463	tmp = lower_lim_r;	1561	low.r = low.g = low.b = 0;
1464	lower_lim_r = lower_lim_b;
1465	lower_lim_b = tmp;
1466
1467	tmp = upper_lim_r;
1468	upper_lim_r = upper_lim_b;
1469	upper_lim_b = tmp;
1470	}	1562	}
1471		1563
1472	/* fill our lookup tables */	1564	/* fill our lookup tables */
1473	for (i = 0; i <= mask_r>>sh_r; i++)	1565	for (i = 0; i <= mask_r>>sh_r; i++)
1474	{	1566	{
1475	RUINT32T tmp;	1567	uint32_t tmp;
1476	tmp = ((RUINT32T)i)*((RUINT32T)(upper_lim_r-lower_lim_r));	1568	tmp = i * high.r;
1477	tmp += ((RUINT32T)(mask_r>>sh_r))*((RUINT32T)lower_lim_r);	1569	tmp += (mask_r>>sh_r) * low.r;
1478	lookup_r[i] = (tmp/65535)<<sh_r;	1570	lookup_r[i] = (tmp/65535)<<sh_r;
1479	}	1571	}
1480	for (i = 0; i <= mask_g>>sh_g; i++)	1572	for (i = 0; i <= mask_g>>sh_g; i++)
1481	{	1573	{
1482	RUINT32T tmp;	1574	uint32_t tmp;
1483	tmp = ((RUINT32T)i)*((RUINT32T)(upper_lim_g-lower_lim_g));	1575	tmp = i * high.g;
1484	tmp += ((RUINT32T)(mask_g>>sh_g))*((RUINT32T)lower_lim_g);	1576	tmp += (mask_g>>sh_g) * low.g;
1485	lookup_g[i] = (tmp/65535)<<sh_g;	1577	lookup_g[i] = (tmp/65535)<<sh_g;
1486	}	1578	}
1487	for (i = 0; i <= mask_b>>sh_b; i++)	1579	for (i = 0; i <= mask_b>>sh_b; i++)
1488	{	1580	{
1489	RUINT32T tmp;	1581	uint32_t tmp;
1490	tmp = ((RUINT32T)i)*((RUINT32T)(upper_lim_b-lower_lim_b));	1582	tmp = i * high.b;
1491	tmp += ((RUINT32T)(mask_b>>sh_b))*((RUINT32T)lower_lim_b);	1583	tmp += (mask_b>>sh_b) * low.b;
1492	lookup_b[i] = (tmp/65535)<<sh_b;	1584	lookup_b[i] = (tmp/65535)<<sh_b;
1493	}	1585	}
1494		1586
1495	/* apply table to input image (replacing colors by newly calculated ones) */	1587	/* apply table to input image (replacing colors by newly calculated ones) */
1496	switch (srcImage->bits_per_pixel)	1588	if (ximage->bits_per_pixel == 32
		1589	&& (ximage->depth == 24 || ximage->depth == 32)
		1590	&& ximage->byte_order == host_byte_order)
1497	{	1591	{
1498	case 15:
1499	{
1500	unsigned short *p1, *pf, *p, *pl;	1592	uint32_t *p1, *pf, *p, *pl;
1501	p1 = (unsigned short *) srcImage->data;	1593	p1 = (uint32_t *) ximage->data;
1502	pf = (unsigned short *) (srcImage->data + srcImage->height * srcImage->bytes_per_line);	1594	pf = (uint32_t *) (ximage->data + ximage->height * ximage->bytes_per_line);
		1595
1503	while (p1 < pf)	1596	while (p1 < pf)
1504	{	1597	{
1505	p = p1;	1598	p = p1;
1506	pl = p1 + srcImage->width;	1599	pl = p1 + ximage->width;
1507	for (; p < pl; p++)	1600	for (; p < pl; p++)
1508	{	1601	{
1509	*p = lookup_r[(*p & 0x7c00)>>10] |
1510	lookup_g[(*p & 0x03e0)>> 5] |
1511	lookup_b[(*p & 0x001f)];
1512	}
1513	p1 = (unsigned short *) ((char *) p1 + srcImage->bytes_per_line);
1514	}
1515	break;
1516	}
1517	case 16:
1518	{
1519	unsigned short *p1, *pf, *p, *pl;
1520	p1 = (unsigned short *) srcImage->data;
1521	pf = (unsigned short *) (srcImage->data + srcImage->height * srcImage->bytes_per_line);
1522	while (p1 < pf)
1523	{
1524	p = p1;
1525	pl = p1 + srcImage->width;
1526	for (; p < pl; p++)
1527	{
1528	*p = lookup_r[(*p & 0xf800)>>11] |
1529	lookup_g[(*p & 0x07e0)>> 5] |
1530	lookup_b[(*p & 0x001f)];
1531	}
1532	p1 = (unsigned short *) ((char *) p1 + srcImage->bytes_per_line);
1533	}
1534	break;
1535	}
1536	case 24:
1537	{
1538	unsigned char *p1, *pf, *p, *pl;
1539	p1 = (unsigned char *) srcImage->data;
1540	pf = (unsigned char *) (srcImage->data + srcImage->height * srcImage->bytes_per_line);
1541	while (p1 < pf)
1542	{
1543	p = p1;
1544	pl = p1 + srcImage->width * 3;
1545	for (; p < pl; p += 3)
1546	{
1547	p[0] = lookup_r[(p[0] & 0xff0000)>>16];
1548	p[1] = lookup_r[(p[1] & 0x00ff00)>> 8];
1549	p[2] = lookup_r[(p[2] & 0x0000ff)];
1550	}
1551	p1 = (unsigned char *) ((char *) p1 + srcImage->bytes_per_line);
1552	}
1553	break;
1554	}
1555	case 32:
1556	{
1557	RUINT32T *p1, *pf, *p, *pl;
1558	p1 = (RUINT32T *) srcImage->data;
1559	pf = (RUINT32T *) (srcImage->data + srcImage->height * srcImage->bytes_per_line);
1560
1561	while (p1 < pf)
1562	{
1563	p = p1;
1564	pl = p1 + srcImage->width;
1565	for (; p < pl; p++)
1566	{
1567	*p = lookup_r[(*p & 0xff0000)>>16] |	1602	*p = lookup_r[(*p & 0xff0000) >> 16] |
1568	lookup_g[(*p & 0x00ff00)>> 8] |	1603	lookup_g[(*p & 0x00ff00) >> 8] |
1569	lookup_b[(*p & 0x0000ff)] |	1604	lookup_b[(*p & 0x0000ff)] |
1570	(*p & ~0xffffff);	1605	(*p & 0xff000000);
		1606	}
		1607	p1 = (uint32_t *) ((char *) p1 + ximage->bytes_per_line);
		1608	}
		1609	}
		1610	else
		1611	{
		1612	for (int y = 0; y < ximage->height; y++)
		1613	for (int x = 0; x < ximage->width; x++)
		1614	{
		1615	unsigned long pixel = XGetPixel (ximage, x, y);
		1616	pixel = lookup_r[(pixel & mask_r) >> sh_r] |
		1617	lookup_g[(pixel & mask_g) >> sh_g] |
		1618	lookup_b[(pixel & mask_b) >> sh_b];
		1619	XPutPixel (ximage, x, y, pixel);
1571	}	1620	}
1572	p1 = (RUINT32T *) ((char *) p1 + srcImage->bytes_per_line);
1573	}	1621	}
1574	break;
1575	}
1576	}
1577		1622
1578	free (lookup);	1623	free (lookup);
1579	}	1624	}
1580	#endif /* defined(ENABLE_TRANSPARENCY) && !defined(HAVE_AFTERIMAGE) */	1625	#endif /* defined(ENABLE_TRANSPARENCY) && !defined(HAVE_AFTERIMAGE) */

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