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Comparing rxvt-unicode/src/background.C (file contents):
Revision 1.25 by root, Sat Jan 19 00:21:59 2008 UTC vs.
Revision 1.164 by sf-exg, Sun Aug 14 22:01:25 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	// this is basically redundant as bgPixmap_t is only used in
93	// zero_initialised-derived structs
94	#ifdef HAVE_AFTERIMAGE
95	original_asim = NULL;
96	#endif
97	#ifdef BG_IMAGE_FROM_FILE
98	h_scale = v_scale = 0;
99	h_align = v_align = 0;
100	#endif
101	flags = 0;
102	pixmap = None;
103	valid_since = invalid_since = 0;
104	target = 0;
105	}
106
107	void	54	void
108	bgPixmap_t::destroy ()	55	rxvt_term::bg_destroy ()
109	{	56	{
110	#ifdef HAVE_AFTERIMAGE	57	#ifdef HAVE_AFTERIMAGE
111	if (original_asim)	58	if (original_asim)
112	safe_asimage_destroy (original_asim);	59	safe_asimage_destroy (original_asim);
		60	if (asv)
		61	destroy_asvisual (asv, 0);
		62	if (asimman)
		63	destroy_image_manager (asimman, 0);
113	#endif	64	#endif
114		65
115	if (pixmap && target)	66	#ifdef HAVE_PIXBUF
		67	if (pixbuf)
		68	g_object_unref (pixbuf);
		69	#endif
		70
		71	if (bg_pixmap)
116	XFreePixmap (target->dpy, pixmap);	72	XFreePixmap (dpy, bg_pixmap);
117	}	73	}
118		74
119	bool	75	bool
120	bgPixmap_t::window_size_sensitive ()	76	rxvt_term::bg_set_position (int x, int y)
		77	{
		78
		79	if (target_x != x
		80	|| target_y != y)
		81	{
		82	target_x = x;
		83	target_y = y;
		84	return true;
		85	}
		86	return false;
		87	}
		88
		89	bool
		90	rxvt_term::bg_window_size_sensitive ()
121	{	91	{
122	# ifdef ENABLE_TRANSPARENCY	92	# ifdef ENABLE_TRANSPARENCY
123	if (flags & isTransparent)	93	if (bg_flags & BG_IS_TRANSPARENT)
124	return true;	94	return true;
125	# endif	95	# endif
126		96
127	# ifdef BG_IMAGE_FROM_FILE	97	# ifdef BG_IMAGE_FROM_FILE
128	# ifdef HAVE_AFTERIMAGE	98	if (bg_flags & BG_IS_FROM_FILE)
129	if (original_asim)
130	# endif
131	{	99	{
132	if (h_scale != 0 || v_scale != 0	100	if (bg_flags & BG_IS_SIZE_SENSITIVE)
133	|| h_align != 0 || v_align != 0)
134	return true;	101	return true;
135	}	102	}
136	# endif	103	# endif
137		104
138	return false;	105	return false;
139	}	106	}
140		107
141	bool	108	bool
142	bgPixmap_t::window_position_sensitive ()	109	rxvt_term::bg_window_position_sensitive ()
143	{	110	{
144	# ifdef ENABLE_TRANSPARENCY	111	# ifdef ENABLE_TRANSPARENCY
145	if (flags & isTransparent)	112	if (bg_flags & BG_IS_TRANSPARENT)
146	return true;	113	return true;
147	# endif	114	# endif
148		115
149	# ifdef BG_IMAGE_FROM_FILE	116	# ifdef BG_IMAGE_FROM_FILE
150	# ifdef HAVE_AFTERIMAGE	117	if (bg_flags & BG_IS_FROM_FILE)
151	if (original_asim)
152	# endif
153	{	118	{
154	if (h_align == rootAlign || v_align == rootAlign)	119	if (bg_flags & BG_ROOT_ALIGN)
155	return true;	120	return true;
156	}	121	}
157	# endif	122	# endif
158		123
159	return false;
160	};
161
162	bool bgPixmap_t::need_client_side_rendering ()
163	{
164	# ifdef HAVE_AFTERIMAGE
165	if (original_asim)
166	return true;
167	# endif
168	# ifdef ENABLE_TRANSPARENCY
169	if (flags & isTransparent)
170	{
171	# ifdef HAVE_AFTERIMAGE // can't blur without libAI anyways
172	if ((flags & blurNeeded) && !(flags & blurServerSide))
173	return true;
174	# endif
175	if ((flags & tintNeeded) && !(flags & tintServerSide))
176	return true;
177	}
178	# endif
179	return false;	124	return false;
180	}	125	}
181		126
182	# ifdef BG_IMAGE_FROM_FILE	127	# ifdef BG_IMAGE_FROM_FILE
183	static inline bool	128	static inline bool
…		…
199	static inline bool	144	static inline bool
200	check_set_align_value (int geom_flags, int flag, int &align, int new_value)	145	check_set_align_value (int geom_flags, int flag, int &align, int new_value)
201	{	146	{
202	if (geom_flags & flag)	147	if (geom_flags & flag)
203	{	148	{
204	if (new_value != bgPixmap_t::rootAlign)
205	{
206	if (new_value < -100)	149	if (new_value < -100)
207	new_value = -100;	150	new_value = -100;
208	else if (new_value > 200)	151	else if (new_value > 200)
209	new_value = 200;	152	new_value = 200;
210	}
211	if (new_value != align)	153	if (new_value != align)
212	{	154	{
213	align = new_value;	155	align = new_value;
214	return true;	156	return true;
215	}	157	}
…		…
219		161
220	static inline int	162	static inline int
221	make_align_position (int align, int window_size, int image_size)	163	make_align_position (int align, int window_size, int image_size)
222	{	164	{
223	int diff = window_size - image_size;	165	int diff = window_size - image_size;
224	int smaller = MIN (image_size,window_size);	166	int smaller = min (image_size, window_size);
225		167
226	if (align >= 0 && align <= 50)	168	if (align >= 0 && align <= 100)
227	return diff * align / 100;	169	return diff * align / 100;
228	else if (align > 50 && align <= 100)
229	return window_size - image_size - diff * (100 - align) / 100;
230	else if (align > 100 && align <= 200 )	170	else if (align > 100 && align <= 200)
231	return ((align - 100) * smaller / 100) + window_size - smaller;	171	return ((align - 100) * smaller / 100) + window_size - smaller;
232	else if (align > -100 && align < 0)	172	else if (align >= -100 && align < 0)
233	return ((align + 100) * smaller / 100) - image_size;	173	return ((align + 100) * smaller / 100) - image_size;
234	return 0;	174	return 0;
235	}	175	}
236		176
237	static inline int	177	static inline int
238	make_clip_rectangle (int pos, int size, int target_size, int &dst_pos, int &dst_size)	178	make_clip_rectangle (int pos, int size, int target_size, int &dst_pos, int &dst_size)
239	{	179	{
240	int src_pos = 0;	180	int src_pos = 0;
241	dst_pos = 0;	181	dst_pos = pos;
242	dst_size = size;	182	dst_size = size;
243	if (pos < 0 && size > target_size)	183	if (pos < 0)
244	{	184	{
245	src_pos = -pos;	185	src_pos = -pos;
		186	dst_pos = 0;
246	dst_size += pos;	187	dst_size += pos;
247	}	188	}
248	else if (pos > 0)
249	dst_pos = pos;
250		189
251	if (dst_pos + dst_size > target_size)	190	if (dst_pos + dst_size > target_size)
252	dst_size = target_size - dst_pos;	191	dst_size = target_size - dst_pos;
253	return src_pos;	192	return src_pos;
254	}	193	}
255		194
256	bool	195	bool
257	bgPixmap_t::set_geometry (const char *geom)	196	rxvt_term::bg_set_geometry (const char *geom, bool update)
258	{	197	{
		198	bool changed = false;
259	int geom_flags = 0, changed = 0;	199	int geom_flags = 0;
260	int x = 0, y = 0;	200	int x = 0, y = 0;
261	unsigned int w = 0, h = 0;	201	unsigned int w = 0, h = 0;
262	unsigned int n;	202	unsigned long new_flags = (bg_flags & (~BG_GEOMETRY_FLAGS));
263	unsigned long new_flags = (flags & (~geometryFlags));
264	char *p;
265	# define MAXLEN_GEOM 256 /* could be longer than regular geometry string */
266		203
267	if (geom == NULL)	204	if (geom == NULL)
268	return false;	205	return false;
269		206
270	char str[MAXLEN_GEOM];	207	if (geom[0])
271
272	while (isspace(*geom)) ++geom;
273	if ((p = strchr (geom, ';')) == NULL)
274	p = strchr (geom, '\0');
275
276	n = (p - geom);
277	if (n < MAXLEN_GEOM)
278	{	208	{
279	char *ops;	209	char **arr = rxvt_strsplit (':', geom);
280	new_flags |= geometrySet;
281		210
282	memcpy (str, geom, n);	211	for (int i = 0; arr[i]; i++)
283	str[n] = '\0';
284	if (str[0] == ':')
285	ops = &str[0];
286	else if (str[0] != 'x' && str[0] != 'X' && isalpha(str[0]))
287	ops = &str[0];
288	else
289	{
290	char *tmp;
291	ops = strchr (str, ':');
292	if (ops != NULL)
293	{	212	{
294	for (tmp = ops-1; tmp >= str && isspace(*tmp); --tmp);	213	if (!strcasecmp (arr[i], "style=tiled"))
295	*(++tmp) = '\0';
296	if (ops == tmp) ++ops;
297	}	214	{
298	}	215	new_flags = BG_TILE;
299		216	w = h = noScale;
300	if (ops > str || ops == NULL)	217	x = y = 0;
301	{	218	geom_flags = WidthValue|HeightValue|XValue|YValue;
302	/* we have geometry string - let's handle it prior to applying ops */
303	geom_flags = XParseGeometry (str, &x, &y, &w, &h);
304
305	if ((geom_flags & XValue) && !(geom_flags & YValue))
306	{	219	}
307	y = x;	220	else if (!strcasecmp (arr[i], "style=aspect-stretched"))
308	geom_flags |= YValue;
309	}	221	{
310		222	new_flags = BG_PROP_SCALE;
311	if (flags & geometrySet)	223	w = h = windowScale;
		224	x = y = centerAlign;
		225	geom_flags = WidthValue|HeightValue|XValue|YValue;
312	{	226	}
313	/* new geometry is an adjustment to the old one ! */	227	else if (!strcasecmp (arr[i], "style=stretched"))
314	if ((geom_flags & WidthValue) && (geom_flags & HeightValue))
315	{
316	if (w == 0 && h != 0)
317	{
318	w = h_scale;
319	h = (v_scale * h) / 100;
320	}
321	else if (h == 0 && w != 0)
322	{
323	w = (h_scale * w) / 100;
324	h = v_scale;
325	}
326	}
327	if (geom_flags & XValue)
328	{
329	if (str[0] != '=')
330	{
331	y += v_align;
332	x += h_align;
333	}
334	}
335	}	228	{
336	else /* setting up geometry from scratch */	229	new_flags = 0;
		230	w = h = windowScale;
		231	geom_flags = WidthValue|HeightValue;
337	{	232	}
338	if (!(geom_flags & XValue))	233	else if (!strcasecmp (arr[i], "style=centered"))
339	{
340	/* use default geometry - centered */
341	x = y = defaultAlign;
342	}
343	else if (!(geom_flags & YValue))
344	y = x;
345
346	if ((geom_flags & (WidthValue|HeightValue)) == 0)
347	{
348	/* use default geometry - scaled */
349	w = h = defaultScale;
350	}
351	else if (geom_flags & WidthValue)
352	{
353	if (!(geom_flags & HeightValue))
354	h = w;
355	}
356	else
357	w = h;
358	}	234	{
359	} /* done parsing geometry string */	235	new_flags = 0;
360	else if (!(flags & geometrySet))	236	w = h = noScale;
		237	x = y = centerAlign;
		238	geom_flags = WidthValue|HeightValue|XValue|YValue;
		239	}
		240	else if (!strcasecmp (arr[i], "style=root-tiled"))
361	{	241	{
362	/* default geometry - scaled and centered */	242	new_flags = BG_TILE|BG_ROOT_ALIGN;
		243	w = h = noScale;
		244	geom_flags = WidthValue|HeightValue;
		245	}
		246	else if (!strcasecmp (arr[i], "op=tile"))
		247	new_flags |= BG_TILE;
		248	else if (!strcasecmp (arr[i], "op=pscale"))
		249	new_flags |= BG_PROP_SCALE;
		250	else if (!strcasecmp (arr[i], "op=root"))
		251	new_flags |= BG_ROOT_ALIGN;
		252
		253	// deprecated
		254	else if (!strcasecmp (arr[i], "tile"))
		255	{
		256	new_flags |= BG_TILE;
		257	w = h = noScale;
		258	geom_flags |= WidthValue|HeightValue;
		259	}
		260	else if (!strcasecmp (arr[i], "propscale"))
		261	{
		262	new_flags |= BG_PROP_SCALE;
		263	}
		264	else if (!strcasecmp (arr[i], "hscale"))
		265	{
		266	new_flags |= BG_TILE;
		267	w = windowScale;
		268	h = noScale;
		269	geom_flags |= WidthValue|HeightValue;
		270	}
		271	else if (!strcasecmp (arr[i], "vscale"))
		272	{
		273	new_flags |= BG_TILE;
		274	h = windowScale;
		275	w = noScale;
		276	geom_flags |= WidthValue|HeightValue;
		277	}
		278	else if (!strcasecmp (arr[i], "scale"))
		279	{
		280	w = h = windowScale;
		281	geom_flags |= WidthValue|HeightValue;
		282	}
		283	else if (!strcasecmp (arr[i], "auto"))
		284	{
		285	w = h = windowScale;
		286	x = y = centerAlign;
		287	geom_flags |= WidthValue|HeightValue|XValue|YValue;
		288	}
		289	else if (!strcasecmp (arr[i], "root"))
		290	{
		291	new_flags |= BG_TILE|BG_ROOT_ALIGN;
		292	w = h = noScale;
		293	geom_flags |= WidthValue|HeightValue;
		294	}
		295
		296	else
		297	geom_flags |= XParseGeometry (arr[i], &x, &y, &w, &h);
		298	} /* done parsing ops */
		299
		300	rxvt_free_strsplit (arr);
		301	}
		302
		303	if (!update)
		304	{
		305	if (!(geom_flags & XValue))
363	x = y = defaultAlign;	306	x = y = defaultAlign;
		307	else if (!(geom_flags & YValue))
		308	y = x;
		309
		310	if (!(geom_flags & (WidthValue|HeightValue)))
364	w = h = defaultScale;	311	w = h = defaultScale;
365	}	312	else if (!(geom_flags & HeightValue))
		313	h = w;
		314	else if (!(geom_flags & WidthValue))
		315	w = h;
366		316
367	if (!(flags & geometrySet))
368	geom_flags |= WidthValue|HeightValue|XValue|YValue;	317	geom_flags |= WidthValue|HeightValue|XValue|YValue;
		318	}
369		319
370	if (ops)
371	{
372	while (*ops)
373	{
374	while (*ops == ':' || isspace(*ops)) ++ops;
375	# define CHECK_GEOM_OPS(op_str) (strncasecmp (ops, (op_str), sizeof(op_str)-1) == 0)
376	if (CHECK_GEOM_OPS("tile"))
377	{
378	w = h = noScale;
379	geom_flags |= WidthValue|HeightValue;
380	}
381	else if (CHECK_GEOM_OPS("propscale"))
382	{
383	if (w == 0 && h == 0)
384	{
385	w = windowScale;
386	geom_flags |= WidthValue;
387	}
388	new_flags |= propScale;
389	}
390	else if (CHECK_GEOM_OPS("hscale"))
391	{
392	if (w == 0)
393	w = windowScale;
394	h = noScale;
395	geom_flags |= WidthValue|HeightValue;
396	}
397	else if (CHECK_GEOM_OPS("vscale"))
398	{
399	if (h == 0)
400	h = windowScale;
401	w = noScale;
402	geom_flags |= WidthValue|HeightValue;
403	}
404	else if (CHECK_GEOM_OPS("scale"))
405	{
406	if (h == 0)
407	h = windowScale;
408	if (w == 0)
409	w = windowScale;
410	geom_flags |= WidthValue|HeightValue;
411	}
412	else if (CHECK_GEOM_OPS("auto"))
413	{
414	w = h = windowScale;
415	x = y = centerAlign;
416	geom_flags |= WidthValue|HeightValue|XValue|YValue;
417	}
418	else if (CHECK_GEOM_OPS("root"))
419	{
420	w = h = noScale;
421	x = y = rootAlign;
422	geom_flags |= WidthValue|HeightValue|XValue|YValue;
423	}
424	# undef CHECK_GEOM_OPS
425	while (*ops != ':' && *ops != '\0') ++ops;
426	} /* done parsing ops */
427	}
428
429	if (check_set_scale_value (geom_flags, WidthValue, h_scale, w))	320	if (check_set_scale_value (geom_flags, WidthValue, h_scale, w)) changed = true;
430	++changed;
431	if (check_set_scale_value (geom_flags, HeightValue, v_scale, h))	321	if (check_set_scale_value (geom_flags, HeightValue, v_scale, h)) changed = true;
432	++changed;
433	if (check_set_align_value (geom_flags, XValue, h_align, x))	322	if (check_set_align_value (geom_flags, XValue, h_align, x)) changed = true;
434	++changed;
435	if (check_set_align_value (geom_flags, YValue, v_align, y))	323	if (check_set_align_value (geom_flags, YValue, v_align, y)) changed = true;
436	++changed;
437	}
438		324
439	if (new_flags != flags)	325	if (new_flags != bg_flags)
440	{	326	{
441	flags = new_flags;	327	bg_flags = new_flags;
442	changed++;	328	changed = true;
443	}	329	}
444	//fprintf (stderr, "flags = %lX, scale = %ux%u, align=%+d%+d\n",	330
445	// flags, h_scale, v_scale, h_align, v_align);
446	return (changed > 0);	331	return changed;
		332	}
		333
		334	void
		335	rxvt_term::get_image_geometry (int image_width, int image_height, int &w, int &h, int &x, int &y)
		336	{
		337	int target_width = szHint.width;
		338	int target_height = szHint.height;
		339
		340	w = h_scale * target_width / 100;
		341	h = v_scale * target_height / 100;
		342
		343	if (bg_flags & BG_PROP_SCALE)
		344	{
		345	float scale = (float)w / image_width;
		346	min_it (scale, (float)h / image_height);
		347	w = image_width * scale + 0.5;
		348	h = image_height * scale + 0.5;
		349	}
		350
		351	if (!w) w = image_width;
		352	if (!h) h = image_height;
		353
		354	if (bg_flags & BG_ROOT_ALIGN)
		355	{
		356	x = -target_x;
		357	y = -target_y;
		358	}
		359	else
		360	{
		361	x = make_align_position (h_align, target_width, w);
		362	y = make_align_position (v_align, target_height, h);
		363	}
		364
		365	bg_flags &= ~BG_IS_SIZE_SENSITIVE;
		366	if (!(bg_flags & BG_TILE)
		367	|| h_scale || v_scale
		368	|| (!(bg_flags & BG_ROOT_ALIGN) && (h_align || v_align))
		369	|| w > target_width || h > target_height)
		370	bg_flags |= BG_IS_SIZE_SENSITIVE;
447	}	371	}
448		372
449	# ifdef HAVE_AFTERIMAGE	373	# ifdef HAVE_AFTERIMAGE
450	bool	374	bool
451	bgPixmap_t::render_asim (ASImage *background, ARGB32 background_tint)	375	rxvt_term::render_image (unsigned long tr_flags)
452	{	376	{
453	if (target == NULL)	377	init_asv ();
454	return false;
455		378
456	int target_width = (int)target->szHint.width;	379	ASImage *background = NULL;
457	int target_height = (int)target->szHint.height;	380	ARGB32 background_tint = TINT_LEAVE_SAME;
458	int new_pmap_width = target_width, new_pmap_height = target_height;	381
		382	# ifdef ENABLE_TRANSPARENCY
		383	if (tr_flags)
		384	background = pixmap2ximage (asv, bg_pixmap, 0, 0, bg_pmap_width, bg_pmap_height, AllPlanes, 100);
		385
		386	if (tr_flags & BG_NEEDS_TINT)
		387	{
		388	ShadingInfo as_shade;
		389	as_shade.shading = shade;
		390
		391	rgba c (rgba::MAX_CC,rgba::MAX_CC,rgba::MAX_CC);
		392	if (bg_flags & BG_TINT_SET)
		393	tint.get (c);
		394	as_shade.tintColor.red = c.r;
		395	as_shade.tintColor.green = c.g;
		396	as_shade.tintColor.blue = c.b;
		397
		398	background_tint = shading2tint32 (&as_shade);
		399	}
		400
		401	if ((tr_flags & BG_NEEDS_BLUR) && background != NULL)
		402	{
		403	ASImage *tmp = blur_asimage_gauss (asv, background, h_blurRadius, v_blurRadius, 0xFFFFFFFF,
		404	(original_asim == NULL || tint == TINT_LEAVE_SAME) ? ASA_XImage : ASA_ASImage,
		405	100, ASIMAGE_QUALITY_DEFAULT);
		406	if (tmp)
		407	{
		408	destroy_asimage (&background);
		409	background = tmp;
		410	}
		411	}
		412	# endif
		413
459	ASImage *result = NULL;	414	ASImage *result = 0;
		415
		416	int target_width = szHint.width;
		417	int target_height = szHint.height;
		418	int new_pmap_width = target_width;
		419	int new_pmap_height = target_height;
460		420
461	int x = 0;	421	int x = 0;
462	int y = 0;	422	int y = 0;
463	int w = h_scale * target_width / 100;	423	int w = 0;
464	int h = v_scale * target_height / 100;	424	int h = 0;
465
466	TIMING_TEST_START (asim);
467		425
468	if (original_asim)	426	if (original_asim)
469	{	427	get_image_geometry (original_asim->width, original_asim->height, w, h, x, y);
470	if (h_align == rootAlign || v_align == rootAlign)
471	{
472	target->get_window_origin(x, y);
473	x = -x;
474	y = -y;
475	}
476
477	if (h_align != rootAlign)
478	x = make_align_position (h_align, target_width, w > 0 ? w : (int)original_asim->width);
479
480	if (v_align != rootAlign)
481	y = make_align_position (v_align, target_height, h > 0 ? h : (int)original_asim->height);
482	}
483		428
484	if (!original_asim	429	if (!original_asim
		430	|| (!(bg_flags & BG_ROOT_ALIGN)
485	|| x >= target_width	431	&& (x >= target_width
486	|| y >= target_height	432	|| y >= target_height
487	|| (w > 0 && x + w <= 0)	433	|| (x + w <= 0)
488	|| (h > 0 && y + h <= 0))	434	|| (y + h <= 0))))
489	{	435	{
490	if (background)	436	if (background)
491	{	437	{
492	new_pmap_width = background->width;	438	new_pmap_width = background->width;
493	new_pmap_height = background->height;	439	new_pmap_height = background->height;
494	result = background;	440	result = background;
495		441
496	if (background_tint != TINT_LEAVE_SAME)	442	if (background_tint != TINT_LEAVE_SAME)
497	{	443	{
498	ASImage* tmp = tile_asimage (target->asv, background, 0, 0,	444	ASImage *tmp = tile_asimage (asv, background, 0, 0,
499	target_width, target_height, background_tint,	445	target_width, target_height, background_tint,
500	ASA_XImage, 100, ASIMAGE_QUALITY_DEFAULT);	446	ASA_XImage, 100, ASIMAGE_QUALITY_DEFAULT);
501	if (tmp)	447	if (tmp)
502	result = tmp;	448	result = tmp;
503	}	449	}
…		…
507	}	453	}
508	else	454	else
509	{	455	{
510	result = original_asim;	456	result = original_asim;
511		457
512	if ((w > 0 && w != original_asim->width)	458	if ((w != original_asim->width)
513	|| (h > 0 && h != original_asim->height))	459	|| (h != original_asim->height))
514	{	460	{
515	result = scale_asimage (target->asv, original_asim,	461	result = scale_asimage (asv, original_asim,
516	w > 0 ? w : original_asim->width,	462	w, h,
517	h > 0 ? h : original_asim->height,
518	background ? ASA_ASImage : ASA_XImage,	463	background ? ASA_ASImage : ASA_XImage,
519	100, ASIMAGE_QUALITY_DEFAULT);	464	100, ASIMAGE_QUALITY_DEFAULT);
520	}	465	}
521		466
522	if (background == NULL)	467	if (background == NULL)
523	{	468	{
		469	if (bg_flags & BG_TILE)
		470	{
524	/* if tiling - pixmap has to be sized exactly as the image,	471	/* if tiling - pixmap has to be sized exactly as the image,
525	but there is no need to make it bigger than the window! */	472	but there is no need to make it bigger than the window! */
526	if (h_scale == 0)
527	new_pmap_width = min (result->width, target_width);	473	new_pmap_width = min (result->width, target_width);
528	if (v_scale == 0)
529	new_pmap_height = min (result->height, target_height);	474	new_pmap_height = min (result->height, target_height);
		475
530	/* we also need to tile our image in one or both directions */	476	/* we also need to tile our image in both directions */
531	if (h_scale == 0 || v_scale == 0)
532	{
533	ASImage *tmp = tile_asimage (target->asv, result,	477	ASImage *tmp = tile_asimage (asv, result,
534	(h_scale > 0) ? 0 : (int)result->width - x,	478	(int)result->width - x,
535	(v_scale > 0) ? 0 : (int)result->height - y,	479	(int)result->height - y,
536	new_pmap_width,	480	new_pmap_width,
537	new_pmap_height,	481	new_pmap_height,
538	TINT_LEAVE_SAME, ASA_XImage,	482	TINT_LEAVE_SAME, ASA_XImage,
539	100, ASIMAGE_QUALITY_DEFAULT);	483	100, ASIMAGE_QUALITY_DEFAULT);
540	if (tmp)	484	if (tmp)
541	{	485	{
…		…
548	}	492	}
549	else	493	else
550	{	494	{
551	/* if blending background and image - pixmap has to be sized same as target window */	495	/* if blending background and image - pixmap has to be sized same as target window */
552	ASImageLayer *layers = create_image_layers (2);	496	ASImageLayer *layers = create_image_layers (2);
553	ASImage *merged_im = NULL;
554		497
555	layers[0].im = background;	498	layers[0].im = background;
556	layers[0].clip_width = target_width;	499	layers[0].clip_width = target_width;
557	layers[0].clip_height = target_height;	500	layers[0].clip_height = target_height;
558	layers[0].tint = background_tint;	501	layers[0].tint = background_tint;
559	layers[1].im = result;	502	layers[1].im = result;
560		503
561	if (w <= 0)	504	if (bg_flags & BG_TILE)
562	{	505	{
563	/* tile horizontally */	506	/* tile horizontally */
564	while (x > 0) x -= (int)result->width;	507	while (x > 0) x -= (int)result->width;
565	layers[1].dst_x = x;	508	layers[1].dst_x = x;
566	layers[1].clip_width = result->width+target_width;	509	layers[1].clip_width = result->width+target_width;
…		…
570	/* clip horizontally */	513	/* clip horizontally */
571	layers[1].dst_x = x;	514	layers[1].dst_x = x;
572	layers[1].clip_width = result->width;	515	layers[1].clip_width = result->width;
573	}	516	}
574		517
575	if (h <= 0)	518	if (bg_flags & BG_TILE)
576	{	519	{
577	while (y > 0) y -= (int)result->height;	520	while (y > 0) y -= (int)result->height;
578	layers[1].dst_y = y;	521	layers[1].dst_y = y;
579	layers[1].clip_height = result->height + target_height;	522	layers[1].clip_height = result->height + target_height;
580	}	523	}
…		…
582	{	525	{
583	layers[1].dst_y = y;	526	layers[1].dst_y = y;
584	layers[1].clip_height = result->height;	527	layers[1].clip_height = result->height;
585	}	528	}
586		529
587	if (target->rs[Rs_blendtype])	530	if (rs[Rs_blendtype])
588	{	531	{
589	layers[1].merge_scanlines = blend_scanlines_name2func (target->rs[Rs_blendtype]);	532	layers[1].merge_scanlines = blend_scanlines_name2func (rs[Rs_blendtype]);
590	if (layers[1].merge_scanlines == NULL)	533	if (layers[1].merge_scanlines == NULL)
591	layers[1].merge_scanlines = alphablend_scanlines;	534	layers[1].merge_scanlines = alphablend_scanlines;
592	}	535	}
593		536
594	ASImage *tmp = merge_layers (target->asv, layers, 2, target_width, target_height,	537	ASImage *tmp = merge_layers (asv, layers, 2, target_width, target_height,
595	ASA_XImage, 0, ASIMAGE_QUALITY_DEFAULT);	538	ASA_XImage, 0, ASIMAGE_QUALITY_DEFAULT);
596		539
597	if (tmp)	540	if (tmp)
598	{	541	{
599	if (result != original_asim)	542	if (result != original_asim)
…		…
603	}	546	}
604		547
605	free (layers);	548	free (layers);
606	}	549	}
607	}	550	}
608	TIMING_TEST_PRINT_RESULT (asim);
609		551
610	if (pixmap)	552	bool ret = false;
611	{
612	if (result == NULL
613	|| pmap_width != new_pmap_width
614	|| pmap_height != new_pmap_height
615	|| pmap_depth != target->depth)
616	{
617	XFreePixmap (target->dpy, pixmap);
618	pixmap = None;
619	}
620	}
621		553
622	if (result)	554	if (result)
623	{	555	{
624	XGCValues gcv;	556	XGCValues gcv;
625	GC gc;	557	GC gc;
626		558
627	/* create Pixmap */	559	/* create Pixmap */
628	if (pixmap == None)	560	if (bg_pixmap == None
		561	|| bg_pmap_width != new_pmap_width
		562	|| bg_pmap_height != new_pmap_height)
629	{	563	{
		564	if (bg_pixmap)
		565	XFreePixmap (dpy, bg_pixmap);
630	pixmap = XCreatePixmap (target->dpy, target->vt, new_pmap_width, new_pmap_height, target->depth);	566	bg_pixmap = XCreatePixmap (dpy, vt, new_pmap_width, new_pmap_height, depth);
631	pmap_width = new_pmap_width;	567	bg_pmap_width = new_pmap_width;
632	pmap_height = new_pmap_height;	568	bg_pmap_height = new_pmap_height;
633	pmap_depth = target->depth;
634	}	569	}
635	/* fill with background color ( if result's not completely overlapping it)*/	570	/* fill with background color (if result's not completely overlapping it) */
636	gcv.foreground = target->pix_colors[Color_bg];	571	gcv.foreground = pix_colors[Color_bg];
637	gc = XCreateGC (target->dpy, target->vt, GCForeground, &gcv);	572	gc = XCreateGC (dpy, vt, GCForeground, &gcv);
638		573
639	int src_x = 0, src_y = 0, dst_x = 0, dst_y = 0;	574	int src_x = 0, src_y = 0, dst_x = 0, dst_y = 0;
640	int dst_width = result->width, dst_height = result->height;	575	int dst_width = result->width, dst_height = result->height;
641	if (background == NULL)	576	if (background == NULL)
642	{	577	{
643	if (h_scale > 0)	578	if (!(bg_flags & BG_TILE))
		579	{
644	src_x = make_clip_rectangle (x, result->width, new_pmap_width, dst_x, dst_width);	580	src_x = make_clip_rectangle (x, result->width , new_pmap_width , dst_x, dst_width );
645	if (v_scale > 0)
646	src_y = make_clip_rectangle (y, result->height, new_pmap_height, dst_y, dst_height);	581	src_y = make_clip_rectangle (y, result->height, new_pmap_height, dst_y, dst_height);
		582	}
647		583
648	if (dst_x > 0 || dst_y > 0	584	if (dst_x > 0 || dst_y > 0
649	|| dst_x + dst_width < new_pmap_width	585	|| dst_x + dst_width < new_pmap_width
650	|| dst_y + dst_height < new_pmap_height)	586	|| dst_y + dst_height < new_pmap_height)
651	{
652	XFillRectangle (target->dpy, pixmap, gc, 0, 0, new_pmap_width, new_pmap_height);	587	XFillRectangle (dpy, bg_pixmap, gc, 0, 0, new_pmap_width, new_pmap_height);
653	}
654	}	588	}
655		589
656	/* put result on pixmap */	590	/* put result on pixmap */
657	if (dst_x < new_pmap_width && dst_y < new_pmap_height)	591	if (dst_x < new_pmap_width && dst_y < new_pmap_height)
658	asimage2drawable (target->asv, pixmap, result, gc, src_x, src_y, dst_x, dst_y, dst_width, dst_height, True);	592	asimage2drawable (asv, bg_pixmap, result, gc, src_x, src_y, dst_x, dst_y, dst_width, dst_height, True);
659		593
660	if (result != background && result != original_asim)	594	if (result != background && result != original_asim)
661	destroy_asimage (&result);	595	destroy_asimage (&result);
662		596
663	XFreeGC (target->dpy, gc);	597	XFreeGC (dpy, gc);
664	TIMING_TEST_PRINT_RESULT (asim);	598
		599	ret = true;
		600	}
		601
		602	if (background)
		603	destroy_asimage (&background);
		604
		605	return ret;
		606	}
		607	# endif /* HAVE_AFTERIMAGE */
		608
		609	# ifdef HAVE_PIXBUF
		610	bool
		611	rxvt_term::pixbuf_to_pixmap (GdkPixbuf *pixbuf, Pixmap pixmap, GC gc,
		612	int src_x, int src_y, int dst_x, int dst_y,
		613	unsigned int width, unsigned int height)
		614	{
		615	XImage *ximage;
		616	char *data, *line;
		617	int bytes_per_pixel;
		618	int width_r, width_g, width_b;
		619	int sh_r, sh_g, sh_b;
		620	int rowstride;
		621	int channels;
		622	unsigned char *row;
		623
		624	if (visual->c_class != TrueColor)
		625	return false;
		626
		627	if (depth == 24 || depth == 32)
		628	bytes_per_pixel = 4;
		629	else if (depth == 15 || depth == 16)
		630	bytes_per_pixel = 2;
		631	else
		632	return false;
		633
		634	width_r = ecb_popcount32 (visual->red_mask);
		635	width_g = ecb_popcount32 (visual->green_mask);
		636	width_b = ecb_popcount32 (visual->blue_mask);
		637
		638	if (width_r > 8 || width_g > 8 || width_b > 8)
		639	return false;
		640
		641	sh_r = ecb_ctz32 (visual->red_mask);
		642	sh_g = ecb_ctz32 (visual->green_mask);
		643	sh_b = ecb_ctz32 (visual->blue_mask);
		644
		645	if (width > INT_MAX / height / bytes_per_pixel)
		646	return false;
		647
		648	data = (char *)malloc (width * height * bytes_per_pixel);
		649	if (!data)
		650	return false;
		651
		652	ximage = XCreateImage (dpy, visual, depth, ZPixmap, 0, data,
		653	width, height, bytes_per_pixel * 8, 0);
		654	if (!ximage)
665	}	655	{
		656	free (data);
		657	return false;
		658	}
666		659
		660	ximage->byte_order = ecb_big_endian () ? MSBFirst : LSBFirst;
		661
		662	rowstride = gdk_pixbuf_get_rowstride (pixbuf);
		663	channels = gdk_pixbuf_get_n_channels (pixbuf);
		664	row = gdk_pixbuf_get_pixels (pixbuf) + src_y * rowstride + src_x * channels;
		665	line = data;
		666
		667	for (int y = 0; y < height; y++)
		668	{
		669	for (int x = 0; x < width; x++)
		670	{
		671	unsigned char *pixel = row + x * channels;
		672	uint32_t value;
		673
		674	value = ((pixel[0] >> (8 - width_r)) << sh_r)
		675	| ((pixel[1] >> (8 - width_g)) << sh_g)
		676	| ((pixel[2] >> (8 - width_b)) << sh_b);
		677
		678	if (bytes_per_pixel == 4)
		679	((uint32_t *)line)[x] = value;
		680	else
		681	((uint16_t *)line)[x] = value;
		682	}
		683
		684	row += rowstride;
		685	line += ximage->bytes_per_line;
		686	}
		687
		688	XPutImage (dpy, pixmap, gc, ximage, 0, 0, dst_x, dst_y, width, height);
		689	XDestroyImage (ximage);
667	return true;	690	return true;
668	}	691	}
669	# endif /* HAVE_AFTERIMAGE */
670		692
671	bool	693	bool
672	bgPixmap_t::set_file (const char *file)	694	rxvt_term::render_image (unsigned long tr_flags)
673	{	695	{
674	char *f;	696	if (!pixbuf)
		697	return false;
675		698
676	assert (file);	699	if (tr_flags
		700	&& !(bg_flags & BG_HAS_RENDER))
		701	return false;
677		702
678	if (*file)	703	GdkPixbuf *result;
		704
		705	int image_width = gdk_pixbuf_get_width (pixbuf);
		706	int image_height = gdk_pixbuf_get_height (pixbuf);
		707
		708	int target_width = szHint.width;
		709	int target_height = szHint.height;
		710	int new_pmap_width = target_width;
		711	int new_pmap_height = target_height;
		712
		713	int x = 0;
		714	int y = 0;
		715	int w = 0;
		716	int h = 0;
		717
		718	get_image_geometry (image_width, image_height, w, h, x, y);
		719
		720	if (!(bg_flags & BG_ROOT_ALIGN)
		721	&& (x >= target_width
		722	|| y >= target_height
		723	|| (x + w <= 0)
		724	|| (y + h <= 0)))
		725	return false;
		726
		727	result = pixbuf;
		728
		729	if ((w != image_width)
		730	|| (h != image_height))
		731	{
		732	result = gdk_pixbuf_scale_simple (pixbuf,
		733	w, h,
		734	GDK_INTERP_BILINEAR);
679	{	735	}
		736
		737	if (!result)
		738	return false;
		739
		740	bool ret = false;
		741
		742	XGCValues gcv;
		743	GC gc;
		744	Pixmap root_pmap;
		745
		746	image_width = gdk_pixbuf_get_width (result);
		747	image_height = gdk_pixbuf_get_height (result);
		748
		749	if (tr_flags)
		750	{
		751	root_pmap = bg_pixmap;
		752	bg_pixmap = None;
		753	}
		754	else
		755	{
		756	if (bg_flags & BG_TILE)
		757	{
		758	new_pmap_width = min (image_width, target_width);
		759	new_pmap_height = min (image_height, target_height);
		760	}
		761	}
		762
		763	if (bg_pixmap == None
		764	|| bg_pmap_width != new_pmap_width
		765	|| bg_pmap_height != new_pmap_height)
		766	{
		767	if (bg_pixmap)
		768	XFreePixmap (dpy, bg_pixmap);
		769	bg_pixmap = XCreatePixmap (dpy, vt, new_pmap_width, new_pmap_height, depth);
		770	bg_pmap_width = new_pmap_width;
		771	bg_pmap_height = new_pmap_height;
		772	}
		773
		774	gcv.foreground = pix_colors[Color_bg];
		775	gc = XCreateGC (dpy, vt, GCForeground, &gcv);
		776
		777	if (gc)
		778	{
		779	if (bg_flags & BG_TILE)
		780	{
		781	Pixmap tile = XCreatePixmap (dpy, vt, image_width, image_height, depth);
		782	pixbuf_to_pixmap (result, tile, gc,
		783	0, 0,
		784	0, 0,
		785	image_width, image_height);
		786
		787	gcv.tile = tile;
		788	gcv.fill_style = FillTiled;
		789	gcv.ts_x_origin = x;
		790	gcv.ts_y_origin = y;
		791	XChangeGC (dpy, gc, GCFillStyle | GCTile | GCTileStipXOrigin | GCTileStipYOrigin, &gcv);
		792
		793	XFillRectangle (dpy, bg_pixmap, gc, 0, 0, new_pmap_width, new_pmap_height);
		794	XFreePixmap (dpy, tile);
		795	}
		796	else
		797	{
		798	int src_x, src_y, dst_x, dst_y;
		799	int dst_width, dst_height;
		800
		801	src_x = make_clip_rectangle (x, image_width , new_pmap_width , dst_x, dst_width );
		802	src_y = make_clip_rectangle (y, image_height, new_pmap_height, dst_y, dst_height);
		803
		804	if (dst_x > 0 || dst_y > 0
		805	|| dst_x + dst_width < new_pmap_width
		806	|| dst_y + dst_height < new_pmap_height)
		807	XFillRectangle (dpy, bg_pixmap, gc, 0, 0, new_pmap_width, new_pmap_height);
		808
		809	if (dst_x < new_pmap_width && dst_y < new_pmap_height)
		810	pixbuf_to_pixmap (result, bg_pixmap, gc,
		811	src_x, src_y,
		812	dst_x, dst_y,
		813	dst_width, dst_height);
		814	}
		815
		816	#if XRENDER
		817	if (tr_flags)
		818	{
		819	XRenderPictureAttributes pa;
		820
		821	XRenderPictFormat *src_format = XRenderFindVisualFormat (dpy, visual);
		822	Picture src = XRenderCreatePicture (dpy, root_pmap, src_format, 0, &pa);
		823
		824	XRenderPictFormat *dst_format = XRenderFindVisualFormat (dpy, visual);
		825	Picture dst = XRenderCreatePicture (dpy, bg_pixmap, dst_format, 0, &pa);
		826
		827	pa.repeat = True;
		828	Pixmap mask_pmap = XCreatePixmap (dpy, vt, 1, 1, 8);
		829	XRenderPictFormat *mask_format = XRenderFindStandardFormat (dpy, PictStandardA8);
		830	Picture mask = XRenderCreatePicture (dpy, mask_pmap, mask_format, CPRepeat, &pa);
		831	XFreePixmap (dpy, mask_pmap);
		832
		833	XRenderColor mask_c;
		834
		835	mask_c.alpha = 0x8000;
		836	mask_c.red = 0;
		837	mask_c.green = 0;
		838	mask_c.blue = 0;
		839	XRenderFillRectangle (dpy, PictOpSrc, mask, &mask_c, 0, 0, 1, 1);
		840	XRenderComposite (dpy, PictOpOver, src, mask, dst, 0, 0, 0, 0, 0, 0, target_width, target_height);
		841
		842	XRenderFreePicture (dpy, src);
		843	XRenderFreePicture (dpy, dst);
		844	XRenderFreePicture (dpy, mask);
		845	}
		846	#endif
		847
		848	XFreeGC (dpy, gc);
		849
		850	ret = true;
		851	}
		852
		853	if (result != pixbuf)
		854	g_object_unref (result);
		855
		856	if (tr_flags)
		857	XFreePixmap (dpy, root_pmap);
		858
		859	return ret;
		860	}
		861	# endif /* HAVE_PIXBUF */
		862
		863	bool
		864	rxvt_term::bg_set_file (const char *file)
		865	{
		866	if (!file || !*file)
		867	return false;
		868
		869	if (const char *p = strchr (file, ';'))
		870	{
		871	size_t len = p - file;
		872	char *f = rxvt_temp_buf<char> (len + 1);
		873	memcpy (f, file, len);
		874	f[len] = '\0';
		875	file = f;
		876	}
		877
680	# ifdef HAVE_AFTERIMAGE	878	# ifdef HAVE_AFTERIMAGE
681	if (target->asimman == NULL)	879	if (!asimman)
682	target->asimman = create_generic_imageman (target->rs[Rs_path]);	880	asimman = create_generic_imageman (rs[Rs_path]);
683
684	if ((f = strchr (file, ';')) == NULL)
685	original_asim = get_asimage (target->asimman, file, 0xFFFFFFFF, 100);	881	ASImage *image = get_asimage (asimman, file, 0xFFFFFFFF, 100);
686	else	882	if (image)
687	{	883	{
688	size_t len = f - file;	884	if (original_asim)
689	f = (char *)malloc (len + 1);	885	safe_asimage_destroy (original_asim);
690	memcpy (f, file, len);	886	original_asim = image;
691	f[len] = '\0';	887	bg_flags |= BG_IS_FROM_FILE | BG_CLIENT_RENDER;
692	original_asim = get_asimage (target->asimman, f, 0xFFFFFFFF, 100);	888	return true;
693	free (f);	889	}
694	}
695
696	return original_asim;
697	# endif	890	# endif
		891
		892	# ifdef HAVE_PIXBUF
		893	GdkPixbuf *image = gdk_pixbuf_new_from_file (file, NULL);
		894	if (image)
698	}	895	{
		896	if (pixbuf)
		897	g_object_unref (pixbuf);
		898	pixbuf = image;
		899	bg_flags |= BG_IS_FROM_FILE;
		900	return true;
		901	}
		902	# endif
699		903
700	return false;	904	return false;
701	}	905	}
702		906
703	# endif /* BG_IMAGE_FROM_FILE */	907	# endif /* BG_IMAGE_FROM_FILE */
704		908
705	# ifdef ENABLE_TRANSPARENCY	909	# ifdef ENABLE_TRANSPARENCY
706	bool	910	bool
707	bgPixmap_t::set_transparent ()	911	rxvt_term::bg_set_transparent ()
708	{	912	{
709	if (!(flags & isTransparent))	913	if (!(bg_flags & BG_IS_TRANSPARENT))
710	{	914	{
711	flags |= isTransparent;	915	bg_flags |= BG_IS_TRANSPARENT;
712	return true;	916	return true;
713	}	917	}
714		918
715	return false;	919	return false;
716	}	920	}
717		921
718	bool	922	bool
719	bgPixmap_t::set_blur_radius (const char *geom)	923	rxvt_term::bg_set_blur (const char *geom)
720	{	924	{
721	int changed = 0;	925	bool changed = false;
722	unsigned int hr, vr;	926	unsigned int hr, vr;
723	int junk;	927	int junk;
724	int geom_flags = XParseGeometry (geom, &junk, &junk, &hr, &vr);	928	int geom_flags = XParseGeometry (geom, &junk, &junk, &hr, &vr);
725		929
726	if (!(geom_flags&WidthValue))	930	if (!(geom_flags & WidthValue))
727	hr = 1;	931	hr = 1;
728	if (!(geom_flags&HeightValue))	932	if (!(geom_flags & HeightValue))
729	vr = hr;	933	vr = hr;
730		934
		935	min_it (hr, 128);
		936	min_it (vr, 128);
		937
731	if (h_blurRadius != hr)	938	if (h_blurRadius != hr)
732	{	939	{
733	++changed;	940	changed = true;
734	h_blurRadius = hr;	941	h_blurRadius = hr;
735	}	942	}
736		943
737	if (v_blurRadius != vr)	944	if (v_blurRadius != vr)
738	{	945	{
739	++changed;	946	changed = true;
740	v_blurRadius = vr;	947	v_blurRadius = vr;
741	}	948	}
742		949
743	if (v_blurRadius == 0 && h_blurRadius == 0)	950	if (v_blurRadius == 0 && h_blurRadius == 0)
744	flags &= ~blurNeeded;	951	bg_flags &= ~BG_NEEDS_BLUR;
745	else	952	else
746	flags |= blurNeeded;	953	bg_flags |= BG_NEEDS_BLUR;
747		954
748	return (changed>0);	955	return changed;
749	}	956	}
750		957
751	static inline unsigned long	958	void
752	compute_tint_shade_flags (rxvt_color *tint, int shade)	959	rxvt_term::set_tint_shade_flags ()
753	{	960	{
754	unsigned long flags = 0;
755	rgba c (rgba::MAX_CC,rgba::MAX_CC,rgba::MAX_CC);	961	rgba c (rgba::MAX_CC,rgba::MAX_CC,rgba::MAX_CC);
756	bool has_shade = (shade > 0 && shade < 100) || (shade > 100 && shade < 200);	962	bool has_shade = shade != 100;
757		963
758	if (tint)	964	bg_flags &= ~BG_TINT_FLAGS;
		965
		966	if (bg_flags & BG_TINT_SET)
759	{	967	{
760	tint->get (c);	968	tint.get (c);
761	# define IS_COMPONENT_WHOLESOME(cmp) ((cmp) <= 0x000700 || (cmp) >= 0x00f700)
762	if (!has_shade && IS_COMPONENT_WHOLESOME (c.r)
763	&& IS_COMPONENT_WHOLESOME (c.g)
764	&& IS_COMPONENT_WHOLESOME (c.b))
765	flags |= bgPixmap_t::tintWholesome;
766	# undef IS_COMPONENT_WHOLESOME
767	}
768
769	if (has_shade)	969	if (!has_shade
770	flags |= bgPixmap_t::tintNeeded;	970	&& (c.r <= 0x00ff || c.r >= 0xff00)
771	else if (tint)	971	&& (c.g <= 0x00ff || c.g >= 0xff00)
		972	&& (c.b <= 0x00ff || c.b >= 0xff00))
		973	bg_flags |= BG_TINT_BITAND;
772	{	974	}
773	if ((c.r > 0x000700 || c.g > 0x000700 || c.b > 0x000700)	975
774	&& (c.r < 0x00f700 || c.g < 0x00f700 || c.b < 0x00f700))	976	if (has_shade || (bg_flags & BG_TINT_SET))
		977	bg_flags |= BG_NEEDS_TINT;
		978	}
		979
		980	bool
		981	rxvt_term::bg_set_tint (rxvt_color &new_tint)
		982	{
		983	if (!(bg_flags & BG_TINT_SET) || tint != new_tint)
		984	{
		985	tint = new_tint;
		986	bg_flags |= BG_TINT_SET;
		987	set_tint_shade_flags ();
		988	return true;
		989	}
		990
		991	return false;
		992	}
		993
		994	bool
		995	rxvt_term::bg_set_shade (const char *shade_str)
		996	{
		997	int new_shade = (shade_str) ? atoi (shade_str) : 100;
		998
		999	clamp_it (new_shade, -100, 200);
		1000	if (new_shade < 0)
		1001	new_shade = 200 - (100 + new_shade);
		1002
		1003	if (new_shade != shade)
		1004	{
		1005	shade = new_shade;
		1006	set_tint_shade_flags ();
		1007	return true;
		1008	}
		1009
		1010	return false;
		1011	}
		1012
		1013	#if XRENDER
		1014	static void
		1015	get_gaussian_kernel (int radius, int width, double *kernel, XFixed *params)
		1016	{
		1017	double sigma = radius / 2.0;
		1018	double scale = sqrt (2.0 * M_PI) * sigma;
		1019	double sum = 0.0;
		1020
		1021	for (int i = 0; i < width; i++)
		1022	{
		1023	double x = i - width / 2;
		1024	kernel[i] = exp (-(x * x) / (2.0 * sigma * sigma)) / scale;
		1025	sum += kernel[i];
		1026	}
		1027
		1028	params[0] = XDoubleToFixed (width);
		1029	params[1] = XDoubleToFixed (1);
		1030
		1031	for (int i = 0; i < width; i++)
		1032	params[i+2] = XDoubleToFixed (kernel[i] / sum);
		1033	}
		1034	#endif
		1035
		1036	bool
		1037	rxvt_term::blur_pixmap (Pixmap pixmap, Visual *visual, int width, int height)
		1038	{
		1039	bool ret = false;
		1040	#if XRENDER
		1041	int size = max (h_blurRadius, v_blurRadius) * 2 + 1;
		1042	double *kernel = (double *)malloc (size * sizeof (double));
		1043	XFixed *params = (XFixed *)malloc ((size + 2) * sizeof (XFixed));
		1044
		1045	XRenderPictureAttributes pa;
		1046	XRenderPictFormat *format = XRenderFindVisualFormat (dpy, visual);
		1047
		1048	Picture src = XRenderCreatePicture (dpy, pixmap, format, 0, &pa);
		1049	Picture dst = XRenderCreatePicture (dpy, pixmap, format, 0, &pa);
		1050
		1051	if (kernel && params)
		1052	{
		1053	if (h_blurRadius)
775	{	1054	{
776	flags |= bgPixmap_t::tintNeeded;	1055	size = h_blurRadius * 2 + 1;
		1056	get_gaussian_kernel (h_blurRadius, size, kernel, params);
		1057
		1058	XRenderSetPictureFilter (dpy, src, FilterConvolution, params, size+2);
		1059	XRenderComposite (dpy,
		1060	PictOpSrc,
		1061	src,
		1062	None,
		1063	dst,
		1064	0, 0,
		1065	0, 0,
		1066	0, 0,
		1067	width, height);
777	}	1068	}
778	}
779		1069
780	if (flags & bgPixmap_t::tintNeeded)	1070	if (v_blurRadius)
		1071	{
		1072	size = v_blurRadius * 2 + 1;
		1073	get_gaussian_kernel (v_blurRadius, size, kernel, params);
		1074	::swap (params[0], params[1]);
		1075
		1076	XRenderSetPictureFilter (dpy, src, FilterConvolution, params, size+2);
		1077	XRenderComposite (dpy,
		1078	PictOpSrc,
		1079	src,
		1080	None,
		1081	dst,
		1082	0, 0,
		1083	0, 0,
		1084	0, 0,
		1085	width, height);
		1086	}
		1087
		1088	ret = true;
781	{	1089	}
782	if (flags & bgPixmap_t::tintWholesome)	1090
783	flags |= bgPixmap_t::tintServerSide;	1091	free (kernel);
		1092	free (params);
		1093	XRenderFreePicture (dpy, src);
		1094	XRenderFreePicture (dpy, dst);
		1095	#endif
		1096	return ret;
		1097	}
		1098
		1099	bool
		1100	rxvt_term::tint_pixmap (Pixmap pixmap, Visual *visual, int width, int height)
		1101	{
		1102	bool ret = false;
		1103
		1104	if (bg_flags & BG_TINT_BITAND)
		1105	{
		1106	XGCValues gcv;
		1107	GC gc;
		1108
		1109	/* In this case we can tint image server-side getting significant
		1110	* performance improvements, as we eliminate XImage transfer
		1111	*/
		1112	gcv.foreground = Pixel (tint);
		1113	gcv.function = GXand;
		1114	gcv.fill_style = FillSolid;
		1115	gc = XCreateGC (dpy, pixmap, GCFillStyle | GCForeground | GCFunction, &gcv);
		1116	if (gc)
		1117	{
		1118	XFillRectangle (dpy, pixmap, gc, 0, 0, width, height);
		1119	ret = true;
		1120	XFreeGC (dpy, gc);
		1121	}
		1122	}
		1123	else
		1124	{
		1125	# if XRENDER
		1126	rgba c (rgba::MAX_CC, rgba::MAX_CC, rgba::MAX_CC);
		1127
		1128	if (bg_flags & BG_TINT_SET)
		1129	tint.get (c);
		1130
		1131	if (shade <= 100)
		1132	{
		1133	c.r = c.r * shade / 100;
		1134	c.g = c.g * shade / 100;
		1135	c.b = c.b * shade / 100;
		1136	}
784	else	1137	else
785	{	1138	{
786	#if XFT	1139	c.r = c.r * (200 - shade) / 100;
787	flags |= bgPixmap_t::tintServerSide;	1140	c.g = c.g * (200 - shade) / 100;
788	#endif	1141	c.b = c.b * (200 - shade) / 100;
		1142	}
		1143
		1144	XRenderPictFormat *solid_format = XRenderFindStandardFormat (dpy, PictStandardARGB32);
		1145	XRenderPictFormat *format = XRenderFindVisualFormat (dpy, visual);
		1146	XRenderPictureAttributes pa;
		1147
		1148	Picture back_pic = XRenderCreatePicture (dpy, pixmap, format, 0, &pa);
		1149
		1150	pa.repeat = True;
		1151
		1152	Pixmap overlay_pmap = XCreatePixmap (dpy, pixmap, 1, 1, 32);
		1153	Picture overlay_pic = XRenderCreatePicture (dpy, overlay_pmap, solid_format, CPRepeat, &pa);
		1154	XFreePixmap (dpy, overlay_pmap);
		1155
		1156	pa.component_alpha = True;
		1157	Pixmap mask_pmap = XCreatePixmap (dpy, pixmap, 1, 1, 32);
		1158	Picture mask_pic = XRenderCreatePicture (dpy, mask_pmap, solid_format, CPRepeat | CPComponentAlpha, &pa);
		1159	XFreePixmap (dpy, mask_pmap);
		1160
		1161	XRenderColor mask_c;
		1162
		1163	mask_c.alpha = 0xffff;
		1164	mask_c.red =
		1165	mask_c.green =
		1166	mask_c.blue = 0;
		1167	XRenderFillRectangle (dpy, PictOpSrc, overlay_pic, &mask_c, 0, 0, 1, 1);
		1168
		1169	mask_c.alpha = 0;
		1170	mask_c.red = 0xffff - c.r;
		1171	mask_c.green = 0xffff - c.g;
		1172	mask_c.blue = 0xffff - c.b;
		1173	XRenderFillRectangle (dpy, PictOpSrc, mask_pic, &mask_c, 0, 0, 1, 1);
		1174	XRenderComposite (dpy, PictOpOver, overlay_pic, mask_pic, back_pic, 0, 0, 0, 0, 0, 0, width, height);
		1175
		1176	if (shade > 100)
789	}	1177	{
790	}	1178	mask_c.red = mask_c.green = mask_c.blue = 0xffff * (shade - 100) / 100;
		1179	mask_c.alpha = 0;
		1180	XRenderFillRectangle (dpy, PictOpSrc, overlay_pic, &mask_c, 0, 0, 1, 1);
791		1181
792	return flags;	1182	XRenderComposite (dpy, PictOpOver, overlay_pic, None, back_pic, 0, 0, 0, 0, 0, 0, width, height);
793	}	1183	}
794		1184
795	bool
796	bgPixmap_t::set_tint (rxvt_color &new_tint)
797	{
798	if (tint != new_tint)
799	{
800	unsigned long new_flags = compute_tint_shade_flags (&new_tint, shade);
801	tint = new_tint;
802	flags = (flags & ~tintFlags) | new_flags | tintSet;
803	return true;	1185	ret = true;
804	}
805		1186
806	return false;	1187	XRenderFreePicture (dpy, mask_pic);
807	}	1188	XRenderFreePicture (dpy, overlay_pic);
808		1189	XRenderFreePicture (dpy, back_pic);
809	bool	1190	# endif
810	bgPixmap_t::unset_tint ()
811	{
812	unsigned long new_flags = compute_tint_shade_flags (NULL, shade);
813
814	if (new_flags != (flags & tintFlags))
815	{	1191	}
816	flags = (flags&~tintFlags)|new_flags;
817	return true;
818	}
819		1192
820	return false;	1193	return ret;
821	}	1194	}
822		1195
823	bool	1196	/*
824	bgPixmap_t::set_shade (const char *shade_str)	1197	* Builds a pixmap of the same size as the terminal window that contains
825	{
826	int new_shade = (shade_str) ? atoi (shade_str) : 0;
827
828	if (new_shade < 0 && new_shade > -100)
829	new_shade = 200 - (100 + new_shade);
830	else if (new_shade == 100)
831	new_shade = 0;
832
833	if (new_shade != shade)
834	{
835	unsigned long new_flags = compute_tint_shade_flags ((flags & tintSet) ? &tint : NULL, new_shade);
836	shade = new_shade;
837	flags = (flags & (~tintFlags | tintSet)) | new_flags;
838	return true;
839	}
840
841	return false;
842	}
843
844	/* make_transparency_pixmap()
845	* Builds a pixmap sized the same as terminal window, with depth same as the root window
846	* that pixmap contains tiled portion of the root pixmap that is supposed to be covered by	1198	* the tiled portion of the root pixmap that is supposed to be covered by
847	* our window.	1199	* our window.
848	*/	1200	*/
849	unsigned long	1201	unsigned long
850	bgPixmap_t::make_transparency_pixmap ()	1202	rxvt_term::make_transparency_pixmap ()
851	{	1203	{
852	unsigned long result = 0;	1204	unsigned long result = 0;
853		1205
854	if (target == NULL)
855	return 0;
856
857	/* root dimentions may change from call to call - but Display structure should	1206	/* root dimensions may change from call to call - but Display structure should
858	* be always up-to-date, so let's use it :	1207	* be always up-to-date, so let's use it :
859	*/	1208	*/
860	Window root = target->display->root;
861	int screen = target->display->screen;	1209	int screen = display->screen;
862	Display *dpy = target->dpy;	1210	int root_depth = DefaultDepth (dpy, screen);
863	int root_width = DisplayWidth (dpy, screen);	1211	int root_width = DisplayWidth (dpy, screen);
864	int root_height = DisplayHeight (dpy, screen);	1212	int root_height = DisplayHeight (dpy, screen);
865	unsigned int root_pmap_width, root_pmap_height;	1213	unsigned int root_pmap_width, root_pmap_height;
866	int window_width = target->szHint.width;	1214	int window_width = szHint.width;
867	int window_height = target->szHint.height;	1215	int window_height = szHint.height;
868	int sx, sy;	1216	int sx, sy;
869	XGCValues gcv;	1217	XGCValues gcv;
		1218	GC gc;
870		1219
871	TIMING_TEST_START (tp);	1220	sx = target_x;
872	target->get_window_origin (sx, sy);	1221	sy = target_y;
873		1222
874	/* check if we are outside of the visible part of the virtual screen : */	1223	/* check if we are outside of the visible part of the virtual screen : */
875	if (sx + window_width <= 0 || sy + window_height <= 0	1224	if (sx + window_width <= 0 || sy + window_height <= 0
876	|| sx >= root_width || sy >= root_height)	1225	|| sx >= root_width || sy >= root_height)
877	return 0;	1226	return 0;
878		1227
		1228	// validate root pixmap and get its size
879	if (root_pixmap != None)	1229	if (root_pixmap != None)
880	{	1230	{
881	/* we want to validate the pixmap and get it's size at the same time : */	1231	Window wdummy;
882	int junk;	1232	int idummy;
883	unsigned int ujunk;	1233	unsigned int udummy;
884	/* root pixmap may be bad - allow a error */	1234
885	target->allowedxerror = -1;	1235	allowedxerror = -1;
886		1236
887	if (!XGetGeometry (dpy, root_pixmap, &root, &junk, &junk, &root_pmap_width, &root_pmap_height, &ujunk, &ujunk))	1237	if (!XGetGeometry (dpy, root_pixmap, &wdummy, &idummy, &idummy, &root_pmap_width, &root_pmap_height, &udummy, &udummy))
888	root_pixmap = None;	1238	root_pixmap = None;
889		1239
890	target->allowedxerror = 0;	1240	allowedxerror = 0;
		1241	}
		1242
		1243	Pixmap recoded_root_pmap = root_pixmap;
		1244
		1245	if (root_pixmap != None && root_depth != depth)
891	}	1246	{
		1247	#if XRENDER
		1248	if (bg_flags & BG_HAS_RENDER)
		1249	{
		1250	recoded_root_pmap = XCreatePixmap (dpy, vt, root_pmap_width, root_pmap_height, depth);
892		1251
893	Pixmap tiled_root_pmap = XCreatePixmap (dpy, root, window_width, window_height, root_depth);	1252	XRenderPictureAttributes pa;
894	GC gc = NULL;
895		1253
896	if (tiled_root_pmap == None) /* something really bad happened - abort */	1254	XRenderPictFormat *src_format = XRenderFindVisualFormat (dpy, DefaultVisual (dpy, screen));
		1255	Picture src = XRenderCreatePicture (dpy, root_pixmap, src_format, 0, &pa);
		1256
		1257	XRenderPictFormat *dst_format = XRenderFindVisualFormat (dpy, visual);
		1258	Picture dst = XRenderCreatePicture (dpy, recoded_root_pmap, dst_format, 0, &pa);
		1259
		1260	XRenderComposite (dpy, PictOpSrc, src, None, dst, 0, 0, 0, 0, 0, 0, root_pmap_width, root_pmap_height);
		1261
		1262	XRenderFreePicture (dpy, src);
		1263	XRenderFreePicture (dpy, dst);
		1264	}
		1265	else
		1266	#endif
		1267	recoded_root_pmap = None;
		1268	}
		1269
		1270	if (recoded_root_pmap == None)
897	return 0;	1271	return 0;
898		1272
899	if (root_pixmap == None)	1273	if (bg_pixmap == None
900	{	1274	|| bg_pmap_width != window_width
901	/* use tricks to obtain the root background image :*/	1275	|| bg_pmap_height != window_height)
902	/* we want to create Overrideredirect window overlapping out window
903	with background type of Parent Relative and then grab it */
904	XSetWindowAttributes attr;
905	Window src;
906	bool success = false;
907
908	attr.background_pixmap = ParentRelative;
909	attr.backing_store = Always;
910	attr.event_mask = ExposureMask;
911	attr.override_redirect = True;
912	src = XCreateWindow (dpy, root, sx, sy, window_width, window_height, 0,
913	CopyFromParent, CopyFromParent, CopyFromParent,
914	CWBackPixmap|CWBackingStore|CWOverrideRedirect|CWEventMask,
915	&attr);
916
917	if (src != None)
918	{
919	XEvent event;
920	int ev_count = 0;
921	XGrabServer (dpy);
922	XMapRaised (dpy, src);
923	XSync (dpy, False);
924
925	/* XSync should get window where it's properly exposed,
926	* but to be on the safe side - let's check for the actual event to arrive : */
927	while (XCheckWindowEvent (dpy, src, ExposureMask, &event))
928	++ev_count;
929
930	if (ev_count > 0);
931	{
932	/* hooray! - we can grab the image! */
933	gc = XCreateGC (dpy, root, 0, NULL);
934	if (gc)
935	{
936	XCopyArea (dpy, src, tiled_root_pmap, gc, 0, 0, window_width, window_height, 0, 0);
937	success = true;
938	}
939	}
940
941	XDestroyWindow (dpy, src);
942	XUngrabServer (dpy);
943	//fprintf (stderr, "%s:%d: ev_count = %d\n", __FUNCTION__, __LINE__, ev_count);
944	}
945
946	if (!success)
947	{
948	XFreePixmap (dpy, tiled_root_pmap);
949	tiled_root_pmap = None;
950	}
951	else
952	result |= transpPmapTiled;
953	}	1276	{
954	else	1277	if (bg_pixmap)
		1278	XFreePixmap (dpy, bg_pixmap);
		1279	bg_pixmap = XCreatePixmap (dpy, vt, window_width, window_height, depth);
		1280	bg_pmap_width = window_width;
		1281	bg_pmap_height = window_height;
955	{	1282	}
		1283
956	/* strightforward pixmap copy */	1284	/* straightforward pixmap copy */
		1285	while (sx < 0) sx += root_width;
		1286	while (sy < 0) sy += root_height;
		1287
957	gcv.tile = root_pixmap;	1288	gcv.tile = recoded_root_pmap;
958	gcv.fill_style = FillTiled;	1289	gcv.fill_style = FillTiled;
959
960	while (sx < 0) sx += (int)root_width;
961	while (sy < 0) sy += (int)root_height;
962
963	gcv.ts_x_origin = -sx;	1290	gcv.ts_x_origin = -sx;
964	gcv.ts_y_origin = -sy;	1291	gcv.ts_y_origin = -sy;
965	gc = XCreateGC (dpy, root, GCFillStyle | GCTile | GCTileStipXOrigin | GCTileStipYOrigin, &gcv);	1292	gc = XCreateGC (dpy, vt, GCFillStyle | GCTile | GCTileStipXOrigin | GCTileStipYOrigin, &gcv);
		1293
		1294	if (gc)
		1295	{
		1296	XFillRectangle (dpy, bg_pixmap, gc, 0, 0, window_width, window_height);
		1297	result |= BG_IS_VALID | (bg_flags & BG_EFFECTS_FLAGS);
		1298	XFreeGC (dpy, gc);
		1299
		1300	if (!(bg_flags & BG_CLIENT_RENDER))
		1301	{
		1302	if ((bg_flags & BG_NEEDS_BLUR)
		1303	&& (bg_flags & BG_HAS_RENDER_CONV))
		1304	{
		1305	if (blur_pixmap (bg_pixmap, visual, window_width, window_height))
		1306	result &= ~BG_NEEDS_BLUR;
		1307	}
		1308	if ((bg_flags & BG_NEEDS_TINT)
		1309	&& (bg_flags & (BG_TINT_BITAND | BG_HAS_RENDER)))
		1310	{
		1311	if (tint_pixmap (bg_pixmap, visual, window_width, window_height))
		1312	result &= ~BG_NEEDS_TINT;
		1313	}
		1314	} /* server side rendering completed */
		1315	}
		1316
		1317	if (recoded_root_pmap != root_pixmap)
		1318	XFreePixmap (dpy, recoded_root_pmap);
		1319
		1320	return result;
		1321	}
		1322
		1323	void
		1324	rxvt_term::bg_set_root_pixmap ()
		1325	{
		1326	Pixmap new_root_pixmap = get_pixmap_property (xa[XA_XROOTPMAP_ID]);
		1327	if (new_root_pixmap == None)
		1328	new_root_pixmap = get_pixmap_property (xa[XA_ESETROOT_PMAP_ID]);
		1329
		1330	root_pixmap = new_root_pixmap;
		1331	}
		1332	# endif /* ENABLE_TRANSPARENCY */
		1333
		1334	#if defined(ENABLE_TRANSPARENCY) && !defined(HAVE_AFTERIMAGE)
		1335	static void shade_ximage (Visual *visual, XImage *ximage, int shade, const rgba &c);
		1336	# endif
		1337
		1338	bool
		1339	rxvt_term::bg_render ()
		1340	{
		1341	unsigned long tr_flags = 0;
		1342
		1343	bg_invalidate ();
		1344	# ifdef ENABLE_TRANSPARENCY
		1345	if (bg_flags & BG_IS_TRANSPARENT)
		1346	{
		1347	/* we need to re-generate transparency pixmap in that case ! */
		1348	tr_flags = make_transparency_pixmap ();
		1349	if (tr_flags == 0)
		1350	return false;
		1351	else if (!(tr_flags & BG_EFFECTS_FLAGS))
		1352	bg_flags |= BG_IS_VALID;
		1353	}
		1354	# endif
		1355
		1356	# ifdef BG_IMAGE_FROM_FILE
		1357	if ((bg_flags & BG_IS_FROM_FILE)
		1358	|| (tr_flags & BG_EFFECTS_FLAGS))
		1359	{
		1360	if (render_image (tr_flags))
		1361	bg_flags |= BG_IS_VALID;
		1362	}
		1363	# endif
		1364
		1365	# if defined(ENABLE_TRANSPARENCY) && !defined(HAVE_AFTERIMAGE)
		1366	XImage *result = NULL;
		1367
		1368	if (tr_flags && !(bg_flags & BG_IS_VALID))
		1369	{
		1370	result = XGetImage (dpy, bg_pixmap, 0, 0, bg_pmap_width, bg_pmap_height, AllPlanes, ZPixmap);
		1371	}
		1372
		1373	if (result)
		1374	{
		1375	/* our own client-side tinting */
		1376	if (tr_flags & BG_NEEDS_TINT)
		1377	{
		1378	rgba c (rgba::MAX_CC,rgba::MAX_CC,rgba::MAX_CC);
		1379	if (bg_flags & BG_TINT_SET)
		1380	tint.get (c);
		1381	shade_ximage (DefaultVisual (dpy, display->screen), result, shade, c);
		1382	}
		1383
		1384	GC gc = XCreateGC (dpy, vt, 0UL, NULL);
966		1385
967	if (gc)	1386	if (gc)
968	{	1387	{
969	XFillRectangle (dpy, tiled_root_pmap, gc, 0, 0, window_width, window_height);	1388	XPutImage (dpy, bg_pixmap, gc, result, 0, 0, 0, 0, result->width, result->height);
970	result |= transpPmapTiled;
971	}
972	}
973	TIMING_TEST_PRINT_RESULT (tp);
974		1389
975	if (tiled_root_pmap != None)	1390	XFreeGC (dpy, gc);
976	{	1391	bg_flags |= BG_IS_VALID;
977	if (!need_client_side_rendering ())
978	{	1392	}
979	if ((flags & tintNeeded))
980	{
981	if (flags & tintWholesome)
982	{
983	/* In this case we can tint image server-side getting significant
984	* performance improvements, as we eliminate XImage transfer
985	*/
986	gcv.foreground = Pixel (tint);
987	gcv.function = GXand;
988	gcv.fill_style = FillSolid;
989	if (gc)
990	XChangeGC (dpy, gc, GCFillStyle | GCForeground | GCFunction, &gcv);
991	else
992	gc = XCreateGC (dpy, root, GCFillStyle | GCForeground | GCFunction, &gcv);
993	if (gc)
994	{
995	XFillRectangle (dpy, tiled_root_pmap, gc, 0, 0, window_width, window_height);
996	result |= transpPmapTinted;
997	}
998	}
999	else
1000	{
1001	# if XFT
1002	Picture back_pic = 0;
1003	rgba c (rgba::MAX_CC,rgba::MAX_CC,rgba::MAX_CC);
1004		1393
1005	if (flags & tintSet)	1394	XDestroyImage (result);
1006	tint.get (c);
1007
1008	if (shade > 0 && shade < 100)
1009	{
1010	c.r = (c.r * shade) / 100;
1011	c.g = (c.g * shade) / 100;
1012	c.b = (c.b * shade) / 100;
1013	}
1014	else if (shade > 100 && shade < 200)
1015	{
1016	c.r = (c.r * (200 - shade)) / 100;
1017	c.g = (c.g * (200 - shade)) / 100;
1018	c.b = (c.b * (200 - shade)) / 100;
1019	}
1020
1021	XRenderPictFormat pf;
1022	pf.type = PictTypeDirect;
1023	pf.depth = 32;
1024	pf.direct.redMask = 0xff;
1025	pf.direct.greenMask = 0xff;
1026	pf.direct.blueMask = 0xff;
1027	pf.direct.alphaMask = 0xff;
1028
1029	XRenderPictFormat *solid_format = XRenderFindFormat (dpy,
1030	(PictFormatType|
1031	PictFormatDepth|
1032	PictFormatRedMask|
1033	PictFormatGreenMask|
1034	PictFormatBlueMask|
1035	PictFormatAlphaMask),
1036	&pf,
1037	0);
1038	XRenderPictFormat *root_format = XRenderFindVisualFormat (dpy, DefaultVisualOfScreen (ScreenOfDisplay (dpy, target->display->screen)));
1039	XRenderPictureAttributes pa ;
1040
1041	back_pic = XRenderCreatePicture (dpy, tiled_root_pmap, root_format, 0, &pa);
1042
1043	pa.repeat = True;
1044
1045	Pixmap overlay_pmap = XCreatePixmap (dpy, root, 1, 1, 32);
1046	Picture overlay_pic = XRenderCreatePicture (dpy, overlay_pmap, solid_format, CPRepeat, &pa);
1047	XFreePixmap (dpy, overlay_pmap);
1048
1049	pa.component_alpha = True;
1050	Pixmap mask_pmap = XCreatePixmap (dpy, root, 1, 1, 32);
1051	Picture mask_pic = XRenderCreatePicture (dpy, mask_pmap, solid_format, CPRepeat|CPComponentAlpha, &pa);
1052	XFreePixmap (dpy, mask_pmap);
1053
1054	if (mask_pic && overlay_pic && back_pic)
1055	{
1056	XRenderColor mask_c;
1057
1058	memset (&mask_c, (shade > 100) ? 0xFF : 0x0, sizeof (mask_c));
1059	mask_c.alpha = 0xffff;
1060	XRenderFillRectangle (dpy, PictOpSrc, overlay_pic, &mask_c, 0, 0, 1, 1);
1061
1062	mask_c.alpha = 0;
1063	mask_c.red = 0xffff - c.r;
1064	mask_c.green = 0xffff - c.g;
1065	mask_c.blue = 0xffff - c.b;
1066	XRenderFillRectangle (dpy, PictOpSrc, mask_pic, &mask_c, 0, 0, 1, 1);
1067	XRenderComposite (dpy, PictOpOver, overlay_pic, mask_pic, back_pic, 0, 0, 0, 0, 0, 0, window_width, window_height);
1068	result |= transpPmapTinted;
1069	}
1070
1071	XRenderFreePicture (dpy, mask_pic);
1072	XRenderFreePicture (dpy, overlay_pic);
1073	XRenderFreePicture (dpy, back_pic);
1074	# if DO_TIMING_TEST
1075	XSync (dpy, False);
1076	# endif
1077	# endif
1078	}
1079	}
1080	} /* server side rendering completed */
1081
1082	if (pixmap)
1083	XFreePixmap (dpy, pixmap);
1084
1085	pixmap = tiled_root_pmap;
1086	pmap_width = window_width;
1087	pmap_height = window_height;
1088	pmap_depth = root_depth;
1089	}
1090
1091	if (gc)
1092	XFreeGC (dpy, gc);
1093
1094	TIMING_TEST_PRINT_RESULT (tp);
1095
1096	return result;
1097	}
1098
1099	bool
1100	bgPixmap_t::set_root_pixmap ()
1101	{
1102	Pixmap new_root_pixmap = target->get_pixmap_property (XA_XROOTPMAP_ID);
1103	if (new_root_pixmap == None)
1104	new_root_pixmap = target->get_pixmap_property (XA_ESETROOT_PMAP_ID);
1105
1106	if (new_root_pixmap != root_pixmap)
1107	{	1395	}
1108	root_pixmap = new_root_pixmap;
1109	return true;
1110	}
1111
1112	return false;
1113	}
1114	# endif /* ENABLE_TRANSPARENCY */
1115
1116	# ifndef HAVE_AFTERIMAGE
1117	static void ShadeXImage(rxvt_term *term, XImage* srcImage, int shade, int rm, int gm, int bm);
1118	# endif	1396	# endif
1119		1397
1120	bool	1398	if (!(bg_flags & BG_IS_VALID))
1121	bgPixmap_t::render ()
1122	{
1123	unsigned long background_flags = 0;
1124
1125	if (target == NULL)
1126	return false;
1127
1128	TIMING_TEST_START (tp);
1129
1130	invalidate();
1131	# ifdef ENABLE_TRANSPARENCY
1132	if (flags & isTransparent)
1133	{
1134	/* we need to re-generate transparency pixmap in that case ! */
1135	background_flags = make_transparency_pixmap ();
1136	if (background_flags == 0)
1137	return false;
1138	else if ((background_flags & transpTransformations) == (flags & transpTransformations)
1139	&& pmap_depth == target->depth)
1140	flags = flags & ~isInvalid;
1141	}	1399	{
1142	# endif
1143
1144	XImage *result = NULL;
1145	# ifdef HAVE_AFTERIMAGE
1146	if (original_asim
1147	|| (background_flags & transpTransformations) != (flags & transpTransformations))
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	if (!(background_flags & transpPmapBlured) && (flags & blurNeeded) && background != NULL)
1170	{
1171	ASImage* tmp = blur_asimage_gauss (target->asv, background, h_blurRadius, v_blurRadius, 0xFFFFFFFF,
1172	(original_asim == NULL || tint == TINT_LEAVE_SAME)?ASA_XImage:ASA_ASImage,
1173	100, ASIMAGE_QUALITY_DEFAULT);
1174	if (tmp)
1175	{
1176	destroy_asimage (&background);
1177	background = tmp;
1178	}
1179	}
1180	# endif
1181
1182	if (render_asim (background, as_tint))
1183	flags = flags & ~isInvalid;
1184	if (background)
1185	destroy_asimage (&background);
1186	}
1187	else if (background_flags && pmap_depth != target->depth)
1188	{
1189	result = XGetImage (target->dpy, pixmap, 0, 0, pmap_width, pmap_height, AllPlanes, ZPixmap);
1190	}
1191
1192	# elif !XFT /* our own client-side tinting */
1193
1194	/* ATTENTION: We ASSUME that XFT will let us do all the tinting neccessary server-side.
1195	This may need to be changed in need_client_side_rendering() logic is altered !!! */
1196
1197	if (background_flags && (flags & isInvalid))
1198	{
1199	result = XGetImage (target->dpy, pixmap, 0, 0, pmap_width, pmap_height, AllPlanes, ZPixmap);
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)	1400	if (bg_pixmap != None)
1256	{	1401	{
1257	XFreePixmap (target->dpy, pixmap);	1402	XFreePixmap (dpy, bg_pixmap);
1258	pixmap = None;	1403	bg_pixmap = None;
1259	}	1404	}
1260	}	1405	}
1261		1406
1262	apply ();	1407	scr_recolour (false);
		1408	bg_flags |= BG_NEEDS_REFRESH;
1263		1409
1264	XSync (target->dpy, False);
1265	valid_since = ev::now ();	1410	bg_valid_since = ev::now ();
1266
1267	TIMING_TEST_PRINT_RESULT (tp);
1268		1411
1269	return true;	1412	return true;
1270	}	1413	}
1271		1414
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	return false;
1285	}
1286
1287	void	1415	void
1288	bgPixmap_t::apply ()	1416	rxvt_term::bg_init ()
1289	{	1417	{
1290	if (target)
1291	{
1292	flags &= ~isVtOrigin;
1293	if (pixmap != None)
1294	{
1295	/* set target's background to pixmap */
1296	# ifdef ENABLE_TRANSPARENCY	1418	#ifdef ENABLE_TRANSPARENCY
1297	if (flags & isTransparent)	1419	shade = 100;
1298	{
1299	XSetWindowBackgroundPixmap (target->dpy, target->parent[0], pixmap);
1300	XSetWindowBackgroundPixmap (target->dpy, target->vt, ParentRelative);
1301	# if HAVE_SCROLLBARS
1302	if (target->scrollBar.win)
1303	XSetWindowBackgroundPixmap (target->dpy, target->scrollBar.win, ParentRelative);
1304	# endif
1305	}
1306	else
1307	# endif	1420	#endif
1308	{	1421
1309	flags |= isVtOrigin;	1422	bg_flags &= ~(BG_HAS_RENDER | BG_HAS_RENDER_CONV);
1310	/* force old pixmap dereference in case it was transparent before :*/	1423	#if XRENDER
1311	XSetWindowBackground (target->dpy, target->parent[0], target->pix_colors[Color_border]);	1424	int major, minor;
1312	XSetWindowBackgroundPixmap (target->dpy, target->vt, pixmap);	1425	if (XRenderQueryVersion (dpy, &major, &minor))
1313	/* do we also need to set scrollbar's background here ? */	1426	bg_flags |= BG_HAS_RENDER;
1314	# if HAVE_SCROLLBARS	1427	XFilters *filters = XRenderQueryFilters (dpy, vt);
1315	if (target->scrollBar.win)	1428	if (filters)
1316	XSetWindowBackground (target->dpy, target->scrollBar.win, target->pix_colors[Color_border]);	1429	{
		1430	for (int i = 0; i < filters->nfilter; i++)
		1431	if (!strcmp (filters->filter[i], FilterConvolution))
		1432	bg_flags |= BG_HAS_RENDER_CONV;
		1433
		1434	XFree (filters);
		1435	}
1317	# endif	1436	#endif
1318	}
1319	}
1320	else
1321	{
1322	/* set target background to a pixel */
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 HAVE_SCROLLBARS
1327	if (target->scrollBar.win)
1328	XSetWindowBackground (target->dpy, target->scrollBar.win, target->pix_colors[Color_border]);
1329	# endif
1330	}
1331	/* don't want Expose on the parent or vt. It is better to use
1332	scr_touch or we get a great deal of flicker otherwise: */
1333	XClearWindow (target->dpy, target->parent[0]);
1334
1335	# if HAVE_SCROLLBARS
1336	if (target->scrollBar.win)
1337	{
1338	target->scrollBar.setIdle ();
1339	target->scrollbar_show (0);
1340	}
1341	# endif
1342
1343	target->want_refresh = 1;
1344	flags |= hasChanged;
1345	}
1346	}	1437	}
1347		1438
1348	#endif /* HAVE_BG_PIXMAP */	1439	#endif /* HAVE_BG_PIXMAP */
1349		1440
1350	#if defined(ENABLE_TRANSPARENCY) && !defined(HAVE_AFTERIMAGE) && !XFT	1441	#if defined(ENABLE_TRANSPARENCY) && !defined(HAVE_AFTERIMAGE)
1351	/* taken from aterm-0.4.2 */	1442	/* taken from aterm-0.4.2 */
1352		1443
1353	typedef uint32_t RUINT32T;
1354
1355	static void	1444	static void
1356	ShadeXImage(rxvt_term *term, XImage* srcImage, int shade, int rm, int gm, int bm)	1445	shade_ximage (Visual *visual, XImage *ximage, int shade, const rgba &c)
1357	{	1446	{
1358	int sh_r, sh_g, sh_b;	1447	int sh_r, sh_g, sh_b;
1359	RUINT32T mask_r, mask_g, mask_b;	1448	uint32_t mask_r, mask_g, mask_b;
1360	RUINT32T *lookup, *lookup_r, *lookup_g, *lookup_b;	1449	uint32_t *lookup, *lookup_r, *lookup_g, *lookup_b;
1361	unsigned int lower_lim_r, lower_lim_g, lower_lim_b;	1450	rgba low;
1362	unsigned int upper_lim_r, upper_lim_g, upper_lim_b;	1451	rgba high;
1363	int i;	1452	int i;
		1453	int host_byte_order = ecb_big_endian () ? MSBFirst : LSBFirst;
1364		1454
1365	Visual *visual = term->visual;
1366
1367	if (visual->c_class != TrueColor || srcImage->format != ZPixmap) return ;	1455	if (visual->c_class != TrueColor || ximage->format != ZPixmap) return;
1368
1369	if (shade == 0)
1370	shade = 100;
1371		1456
1372	/* for convenience */	1457	/* for convenience */
1373	mask_r = visual->red_mask;	1458	mask_r = visual->red_mask;
1374	mask_g = visual->green_mask;	1459	mask_g = visual->green_mask;
1375	mask_b = visual->blue_mask;	1460	mask_b = visual->blue_mask;
1376		1461
1377	/* boring lookup table pre-initialization */	1462	/* boring lookup table pre-initialization */
1378	switch (srcImage->bits_per_pixel) {	1463	switch (ximage->depth)
		1464	{
1379	case 15:	1465	case 15:
1380	if ((mask_r != 0x7c00) ||	1466	if ((mask_r != 0x7c00) ||
1381	(mask_g != 0x03e0) ||	1467	(mask_g != 0x03e0) ||
1382	(mask_b != 0x001f))	1468	(mask_b != 0x001f))
1383	return;	1469	return;
1384	lookup = (RUINT32T *) malloc (sizeof (RUINT32T)*(32+32+32));	1470	lookup = (uint32_t *) malloc (sizeof (uint32_t)*(32+32+32));
1385	lookup_r = lookup;	1471	lookup_r = lookup;
1386	lookup_g = lookup+32;	1472	lookup_g = lookup+32;
1387	lookup_b = lookup+32+32;	1473	lookup_b = lookup+32+32;
1388	sh_r = 10;	1474	sh_r = 10;
1389	sh_g = 5;	1475	sh_g = 5;
1390	sh_b = 0;	1476	sh_b = 0;
1391	break;	1477	break;
1392	case 16:	1478	case 16:
1393	if ((mask_r != 0xf800) ||	1479	if ((mask_r != 0xf800) ||
1394	(mask_g != 0x07e0) ||	1480	(mask_g != 0x07e0) ||
1395	(mask_b != 0x001f))	1481	(mask_b != 0x001f))
1396	return;	1482	return;
1397	lookup = (RUINT32T *) malloc (sizeof (RUINT32T)*(32+64+32));	1483	lookup = (uint32_t *) malloc (sizeof (uint32_t)*(32+64+32));
1398	lookup_r = lookup;	1484	lookup_r = lookup;
1399	lookup_g = lookup+32;	1485	lookup_g = lookup+32;
1400	lookup_b = lookup+32+64;	1486	lookup_b = lookup+32+64;
1401	sh_r = 11;	1487	sh_r = 11;
1402	sh_g = 5;	1488	sh_g = 5;
1403	sh_b = 0;	1489	sh_b = 0;
1404	break;	1490	break;
1405	case 24:	1491	case 24:
1406	if ((mask_r != 0xff0000) ||	1492	if ((mask_r != 0xff0000) ||
1407	(mask_g != 0x00ff00) ||	1493	(mask_g != 0x00ff00) ||
1408	(mask_b != 0x0000ff))	1494	(mask_b != 0x0000ff))
1409	return;	1495	return;
1410	lookup = (RUINT32T *) malloc (sizeof (RUINT32T)*(256+256+256));	1496	lookup = (uint32_t *) malloc (sizeof (uint32_t)*(256+256+256));
1411	lookup_r = lookup;	1497	lookup_r = lookup;
1412	lookup_g = lookup+256;	1498	lookup_g = lookup+256;
1413	lookup_b = lookup+256+256;	1499	lookup_b = lookup+256+256;
1414	sh_r = 16;	1500	sh_r = 16;
1415	sh_g = 8;	1501	sh_g = 8;
1416	sh_b = 0;	1502	sh_b = 0;
1417	break;	1503	break;
1418	case 32:	1504	case 32:
1419	if ((mask_r != 0xff0000) ||	1505	if ((mask_r != 0xff0000) ||
1420	(mask_g != 0x00ff00) ||	1506	(mask_g != 0x00ff00) ||
1421	(mask_b != 0x0000ff))	1507	(mask_b != 0x0000ff))
1422	return;	1508	return;
1423	lookup = (RUINT32T *) malloc (sizeof (RUINT32T)*(256+256+256));	1509	lookup = (uint32_t *) malloc (sizeof (uint32_t)*(256+256+256));
1424	lookup_r = lookup;	1510	lookup_r = lookup;
1425	lookup_g = lookup+256;	1511	lookup_g = lookup+256;
1426	lookup_b = lookup+256+256;	1512	lookup_b = lookup+256+256;
1427	sh_r = 16;	1513	sh_r = 16;
1428	sh_g = 8;	1514	sh_g = 8;
1429	sh_b = 0;	1515	sh_b = 0;
1430	break;	1516	break;
1431	default:	1517	default:
1432	return; /* we do not support this color depth */	1518	return; /* we do not support this color depth */
1433	}	1519	}
1434		1520
1435	/* prepare limits for color transformation (each channel is handled separately) */	1521	/* prepare limits for color transformation (each channel is handled separately) */
1436	if (shade < 0) {	1522	if (shade > 100)
		1523	{
1437	shade = -shade;	1524	shade = 200 - shade;
1438	if (shade < 0) shade = 0;
1439	if (shade > 100) shade = 100;
1440		1525
1441	lower_lim_r = 65535-rm;	1526	high.r = c.r * shade / 100;
1442	lower_lim_g = 65535-gm;	1527	high.g = c.g * shade / 100;
1443	lower_lim_b = 65535-bm;	1528	high.b = c.b * shade / 100;
1444		1529
1445	lower_lim_r = 65535-(unsigned int)(((RUINT32T)lower_lim_r)*((RUINT32T)shade)/100);	1530	low.r = 65535 * (100 - shade) / 100;
1446	lower_lim_g = 65535-(unsigned int)(((RUINT32T)lower_lim_g)*((RUINT32T)shade)/100);	1531	low.g = 65535 * (100 - shade) / 100;
1447	lower_lim_b = 65535-(unsigned int)(((RUINT32T)lower_lim_b)*((RUINT32T)shade)/100);	1532	low.b = 65535 * (100 - shade) / 100;
1448
1449	upper_lim_r = upper_lim_g = upper_lim_b = 65535;
1450	} else {
1451	if (shade < 0) shade = 0;
1452	if (shade > 100) shade = 100;
1453
1454	lower_lim_r = lower_lim_g = lower_lim_b = 0;
1455
1456	upper_lim_r = (unsigned int)((((RUINT32T)rm)*((RUINT32T)shade))/100);
1457	upper_lim_g = (unsigned int)((((RUINT32T)gm)*((RUINT32T)shade))/100);
1458	upper_lim_b = (unsigned int)((((RUINT32T)bm)*((RUINT32T)shade))/100);
1459	}	1533	}
1460		1534	else
1461	/* switch red and blue bytes if necessary, we need it for some weird XServers like XFree86 3.3.3.1 */
1462	if ((srcImage->bits_per_pixel == 24) && (mask_r >= 0xFF0000 ))
1463	{	1535	{
1464	unsigned int tmp;	1536	high.r = c.r * shade / 100;
		1537	high.g = c.g * shade / 100;
		1538	high.b = c.b * shade / 100;
1465		1539
1466	tmp = lower_lim_r;	1540	low.r = low.g = low.b = 0;
1467	lower_lim_r = lower_lim_b;
1468	lower_lim_b = tmp;
1469
1470	tmp = upper_lim_r;
1471	upper_lim_r = upper_lim_b;
1472	upper_lim_b = tmp;
1473	}	1541	}
1474		1542
1475	/* fill our lookup tables */	1543	/* fill our lookup tables */
1476	for (i = 0; i <= mask_r>>sh_r; i++)	1544	for (i = 0; i <= mask_r>>sh_r; i++)
1477	{	1545	{
1478	RUINT32T tmp;	1546	uint32_t tmp;
1479	tmp = ((RUINT32T)i)*((RUINT32T)(upper_lim_r-lower_lim_r));	1547	tmp = i * high.r;
1480	tmp += ((RUINT32T)(mask_r>>sh_r))*((RUINT32T)lower_lim_r);	1548	tmp += (mask_r>>sh_r) * low.r;
1481	lookup_r[i] = (tmp/65535)<<sh_r;	1549	lookup_r[i] = (tmp/65535)<<sh_r;
1482	}	1550	}
1483	for (i = 0; i <= mask_g>>sh_g; i++)	1551	for (i = 0; i <= mask_g>>sh_g; i++)
1484	{	1552	{
1485	RUINT32T tmp;	1553	uint32_t tmp;
1486	tmp = ((RUINT32T)i)*((RUINT32T)(upper_lim_g-lower_lim_g));	1554	tmp = i * high.g;
1487	tmp += ((RUINT32T)(mask_g>>sh_g))*((RUINT32T)lower_lim_g);	1555	tmp += (mask_g>>sh_g) * low.g;
1488	lookup_g[i] = (tmp/65535)<<sh_g;	1556	lookup_g[i] = (tmp/65535)<<sh_g;
1489	}	1557	}
1490	for (i = 0; i <= mask_b>>sh_b; i++)	1558	for (i = 0; i <= mask_b>>sh_b; i++)
1491	{	1559	{
1492	RUINT32T tmp;	1560	uint32_t tmp;
1493	tmp = ((RUINT32T)i)*((RUINT32T)(upper_lim_b-lower_lim_b));	1561	tmp = i * high.b;
1494	tmp += ((RUINT32T)(mask_b>>sh_b))*((RUINT32T)lower_lim_b);	1562	tmp += (mask_b>>sh_b) * low.b;
1495	lookup_b[i] = (tmp/65535)<<sh_b;	1563	lookup_b[i] = (tmp/65535)<<sh_b;
1496	}	1564	}
1497		1565
1498	/* apply table to input image (replacing colors by newly calculated ones) */	1566	/* apply table to input image (replacing colors by newly calculated ones) */
1499	switch (srcImage->bits_per_pixel)	1567	if (ximage->bits_per_pixel == 32
		1568	&& (ximage->depth == 24 || ximage->depth == 32)
		1569	&& ximage->byte_order == host_byte_order)
1500	{	1570	{
1501	case 15:
1502	{
1503	unsigned short *p1, *pf, *p, *pl;	1571	uint32_t *p1, *pf, *p, *pl;
1504	p1 = (unsigned short *) srcImage->data;	1572	p1 = (uint32_t *) ximage->data;
1505	pf = (unsigned short *) (srcImage->data + srcImage->height * srcImage->bytes_per_line);	1573	pf = (uint32_t *) (ximage->data + ximage->height * ximage->bytes_per_line);
		1574
1506	while (p1 < pf)	1575	while (p1 < pf)
1507	{	1576	{
1508	p = p1;	1577	p = p1;
1509	pl = p1 + srcImage->width;	1578	pl = p1 + ximage->width;
1510	for (; p < pl; p++)	1579	for (; p < pl; p++)
1511	{	1580	{
1512	*p = lookup_r[(*p & 0x7c00)>>10] |
1513	lookup_g[(*p & 0x03e0)>> 5] |
1514	lookup_b[(*p & 0x001f)];
1515	}
1516	p1 = (unsigned short *) ((char *) p1 + srcImage->bytes_per_line);
1517	}
1518	break;
1519	}
1520	case 16:
1521	{
1522	unsigned short *p1, *pf, *p, *pl;
1523	p1 = (unsigned short *) srcImage->data;
1524	pf = (unsigned short *) (srcImage->data + srcImage->height * srcImage->bytes_per_line);
1525	while (p1 < pf)
1526	{
1527	p = p1;
1528	pl = p1 + srcImage->width;
1529	for (; p < pl; p++)
1530	{
1531	*p = lookup_r[(*p & 0xf800)>>11] |
1532	lookup_g[(*p & 0x07e0)>> 5] |
1533	lookup_b[(*p & 0x001f)];
1534	}
1535	p1 = (unsigned short *) ((char *) p1 + srcImage->bytes_per_line);
1536	}
1537	break;
1538	}
1539	case 24:
1540	{
1541	unsigned char *p1, *pf, *p, *pl;
1542	p1 = (unsigned char *) srcImage->data;
1543	pf = (unsigned char *) (srcImage->data + srcImage->height * srcImage->bytes_per_line);
1544	while (p1 < pf)
1545	{
1546	p = p1;
1547	pl = p1 + srcImage->width * 3;
1548	for (; p < pl; p += 3)
1549	{
1550	p[0] = lookup_r[(p[0] & 0xff0000)>>16];
1551	p[1] = lookup_r[(p[1] & 0x00ff00)>> 8];
1552	p[2] = lookup_r[(p[2] & 0x0000ff)];
1553	}
1554	p1 = (unsigned char *) ((char *) p1 + srcImage->bytes_per_line);
1555	}
1556	break;
1557	}
1558	case 32:
1559	{
1560	RUINT32T *p1, *pf, *p, *pl;
1561	p1 = (RUINT32T *) srcImage->data;
1562	pf = (RUINT32T *) (srcImage->data + srcImage->height * srcImage->bytes_per_line);
1563
1564	while (p1 < pf)
1565	{
1566	p = p1;
1567	pl = p1 + srcImage->width;
1568	for (; p < pl; p++)
1569	{
1570	*p = lookup_r[(*p & 0xff0000)>>16] |	1581	*p = lookup_r[(*p & 0xff0000) >> 16] |
1571	lookup_g[(*p & 0x00ff00)>> 8] |	1582	lookup_g[(*p & 0x00ff00) >> 8] |
1572	lookup_b[(*p & 0x0000ff)] |	1583	lookup_b[(*p & 0x0000ff)] |
1573	(*p & ~0xffffff);	1584	(*p & 0xff000000);
		1585	}
		1586	p1 = (uint32_t *) ((char *) p1 + ximage->bytes_per_line);
		1587	}
		1588	}
		1589	else
		1590	{
		1591	for (int y = 0; y < ximage->height; y++)
		1592	for (int x = 0; x < ximage->width; x++)
		1593	{
		1594	unsigned long pixel = XGetPixel (ximage, x, y);
		1595	pixel = lookup_r[(pixel & mask_r) >> sh_r] |
		1596	lookup_g[(pixel & mask_g) >> sh_g] |
		1597	lookup_b[(pixel & mask_b) >> sh_b];
		1598	XPutPixel (ximage, x, y, pixel);
1574	}	1599	}
1575	p1 = (RUINT32T *) ((char *) p1 + srcImage->bytes_per_line);
1576	}	1600	}
1577	break;
1578	}
1579	}
1580		1601
1581	free (lookup);	1602	free (lookup);
1582	}	1603	}
1583	#endif /* defined(ENABLE_TRANSPARENCY) && !defined(HAVE_AFTERIMAGE) */	1604	#endif /* defined(ENABLE_TRANSPARENCY) && !defined(HAVE_AFTERIMAGE) */

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