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Comparing rxvt-unicode/src/background.C (file contents):
Revision 1.14 by root, Mon Nov 19 15:33:34 2007 UTC vs.
Revision 1.142 by sf-exg, Thu Jan 27 17:37:18 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) 1997 Carsten Haitzler <raster@zip.com.au>
7	* Copyright (c) 1997,1998 Oezguer Kesim <kesim@math.fu-berlin.de>
8	* Copyright (c) 1998-2001 Geoff Wing <gcw@pobox.com>
9	* Copyright (c) 2005-2006 Marc Lehmann <pcg@goof.com>	6	* Copyright (c) 2005-2008 Marc Lehmann <pcg@goof.com>
10	* 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>
11	*	9	*
12	* 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
13	* 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
14	* the Free Software Foundation; either version 2 of the License, or	12	* the Free Software Foundation; either version 2 of the License, or
15	* (at your option) any later version.	13	* (at your option) any later version.
…		…
22	* 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
23	* along with this program; if not, write to the Free Software	21	* along with this program; if not, write to the Free Software
24	* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.	22	* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
25	*---------------------------------------------------------------------*/	23	*---------------------------------------------------------------------*/
26		24
		25	#include <cmath>
27	#include "../config.h" /* NECESSARY */	26	#include "../config.h" /* NECESSARY */
28	#include "rxvt.h" /* NECESSARY */	27	#include "rxvt.h" /* NECESSARY */
29		28
30	#define DO_TIMING_TEST 0	29	#if XRENDER
		30	# include <X11/extensions/Xrender.h>
		31	#endif
31		32
32	#if DO_TIMING_TEST	33	#ifndef FilterConvolution
33	#define TIMING_TEST_START(id) \	34	#define FilterConvolution "convolution"
34	struct timeval timing_test_##id##_stv;\
35	gettimeofday (&timing_test_##id##_stv, NULL);
36
37	#define TIMING_TEST_PRINT_RESULT(id) \
38	do{ struct timeval tv;gettimeofday (&tv, NULL); tv.tv_sec -= (timing_test_##id##_stv).tv_sec;\
39	fprintf (stderr, "%s: %s: %d: elapsed %ld usec\n", #id, __FILE__, __LINE__,\
40	tv.tv_sec * 1000000 + tv.tv_usec - (timing_test_##id##_stv).tv_usec);}while (0)
41
42	#else
43	#define TIMING_TEST_START(id) do{}while (0)
44	#define TIMING_TEST_PRINT_RESULT(id) do{}while (0)
45	#endif	35	#endif
46		36
47	/*	37	/*
48	* Pixmap geometry string interpretation :	38	* Pixmap geometry string interpretation :
49	* Each geometry string contains zero or one scale/position	39	* Each geometry string contains zero or one scale/position
50	* 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
51	* colon-delimited pixmap operations.	41	* colon-delimited pixmap operations.
52	* The following table shows the valid geometry strings and their	42	* The following table shows the valid geometry strings and their
53	* affects on the background image :	43	* effects on the background image :
54	*	44	*
55	* 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%.
56	* W and H are percentages of the terminal window size.	46	* W and H are percentages of the terminal window size.
57	* X and Y are also percentages; e.g., +50+50 centers	47	* X and Y are also percentages; e.g., +50+50 centers
58	* the image in the window.	48	* the image in the window.
59	* WxH+X Assumes Y == X
60	* WxH Assumes Y == X == 50 (centers the image)
61	* W+X+Y Assumes H == W
62	* W+X Assumes H == W and Y == X
63	* W Assumes H == W and Y == X == 50
64	*
65	* Adjusting position only :
66	* =+X+Y Set position to X% by Y% (absolute).
67	* =+X Set position to X% by X%.
68	* +X+Y Adjust position horizontally X% and vertically Y%
69	* from current position (relative).
70	* +X Adjust position horizontally X% and vertically X%
71	* from current position.
72	*
73	* Adjusting scale only :
74	* Wx0 Multiply horizontal scaling factor by W%
75	* 0xH Multiply vertical scaling factor by H%
76	* 0x0 No scaling (show image at normal size).
77	*	49	*
78	* Pixmap Operations : (should be prepended by a colon)	50	* Pixmap Operations : (should be prepended by a colon)
79	* tile Tile image. Scaling/position modifiers above will affect	51	* tile Tile image. Scaling/position modifiers above will affect
80	* the tile size and origin.	52	* the tile size and origin.
81	* propscale When scaling, scale proportionally. That is, maintain the	53	* propscale When scaling, scale proportionally. That is, maintain the
82	* proper aspect ratio for the image. Any portion of the	54	* proper aspect ratio for the image. Any portion of the
83	* background not covered by the image is filled with the	55	* background not covered by the image is filled with the
84	* current background color.	56	* current background color.
85	* hscale Scale horizontally, tile vertically ?	57	* hscale Scale horizontally, tile vertically ?
86	* vscale Tile horizontally, scale vertically ?	58	* vscale Tile horizontally, scale vertically ?
87	* scale Scale both up and down	59	* scale Scale both up and down
88	* auto Same as 100x100+50+50	60	* auto Same as 100x100+50+50
89	*/	61	*/
90		62
91	#ifdef HAVE_BG_PIXMAP	63	#ifdef HAVE_BG_PIXMAP
92	bgPixmap_t::bgPixmap_t ()
93	{
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	}
104
105	void	64	void
106	bgPixmap_t::destroy ()	65	rxvt_term::bg_destroy ()
107	{	66	{
108	#ifdef HAVE_AFTERIMAGE	67	#ifdef HAVE_AFTERIMAGE
109	if (original_asim)	68	if (original_asim)
110	safe_asimage_destroy (original_asim);	69	safe_asimage_destroy (original_asim);
111	#endif	70	#endif
112		71
113	if (pixmap && target)	72	#ifdef HAVE_PIXBUF
		73	if (pixbuf)
		74	g_object_unref (pixbuf);
		75	#endif
		76
		77	if (bg_pixmap)
114	XFreePixmap (target->dpy, pixmap);	78	XFreePixmap (dpy, bg_pixmap);
115	}	79	}
116		80
117	bool	81	bool
118	bgPixmap_t::window_size_sensitive ()	82	rxvt_term::bg_set_position (int x, int y)
		83	{
		84
		85	if (target_x != x
		86	|| target_y != y)
		87	{
		88	target_x = x;
		89	target_y = y;
		90	return true;
		91	}
		92	return false;
		93	}
		94
		95	bool
		96	rxvt_term::bg_window_size_sensitive ()
119	{	97	{
120	# ifdef ENABLE_TRANSPARENCY	98	# ifdef ENABLE_TRANSPARENCY
121	if (flags & isTransparent)	99	if (bg_flags & isTransparent)
122	return true;	100	return true;
123	# endif	101	# endif
124		102
125	# ifdef BG_IMAGE_FROM_FILE	103	# ifdef BG_IMAGE_FROM_FILE
126	# ifdef HAVE_AFTERIMAGE	104	if (have_image)
127	if (original_asim != NULL)
128	# endif
129	{	105	{
130	if (h_scale != 0 || v_scale != 0	106	if (bg_flags & sizeSensitive)
131	|| h_align != 0 || v_align != 0)
132	return true;	107	return true;
133	}	108	}
134	# endif	109	# endif
135		110
136	return false;	111	return false;
137	}	112	}
138		113
139	bool	114	bool
140	bgPixmap_t::window_position_sensitive ()	115	rxvt_term::bg_window_position_sensitive ()
141	{	116	{
142	# ifdef ENABLE_TRANSPARENCY	117	# ifdef ENABLE_TRANSPARENCY
143	if (flags & isTransparent)	118	if (bg_flags & isTransparent)
144	return true;	119	return true;
145	# endif	120	# endif
146		121
147	# ifdef BG_IMAGE_FROM_FILE	122	# ifdef BG_IMAGE_FROM_FILE
148	# ifdef HAVE_AFTERIMAGE	123	if (have_image)
149	if (original_asim != NULL)
150	# endif
151	{	124	{
152	if (h_align == rootAlign || v_align == rootAlign)	125	if (bg_flags & rootAlign)
153	return true;	126	return true;
154	}	127	}
155	# endif	128	# endif
156		129
157	return false;
158	};
159
160	bool bgPixmap_t::need_client_side_rendering ()
161	{
162	# ifdef HAVE_AFTERIMAGE
163	if (original_asim != NULL)
164	return true;
165	# endif
166	# ifdef ENABLE_TRANSPARENCY
167	if (flags & isTransparent)
168	{
169	# ifdef HAVE_AFTERIMAGE // can't blur without libAI anyways
170	if ((flags & blurNeeded) && !(flags & blurServerSide))
171	return true;
172	# endif
173	if ((flags & tintNeeded) && !(flags & tintServerSide))
174	return true;
175	}
176	# endif
177	return false;	130	return false;
178	}	131	}
179		132
180	# ifdef BG_IMAGE_FROM_FILE	133	# ifdef BG_IMAGE_FROM_FILE
181	static inline bool	134	static inline bool
…		…
197	static inline bool	150	static inline bool
198	check_set_align_value (int geom_flags, int flag, int &align, int new_value)	151	check_set_align_value (int geom_flags, int flag, int &align, int new_value)
199	{	152	{
200	if (geom_flags & flag)	153	if (geom_flags & flag)
201	{	154	{
202	if (new_value != bgPixmap_t::rootAlign)
203	{
204	if (new_value < -100)	155	if (new_value < -100)
205	new_value = -100;	156	new_value = -100;
206	else if (new_value > 200)	157	else if (new_value > 200)
207	new_value = 200;	158	new_value = 200;
208	}
209	if (new_value != align)	159	if (new_value != align)
210	{	160	{
211	align = new_value;	161	align = new_value;
212	return true;	162	return true;
213	}	163	}
…		…
217		167
218	static inline int	168	static inline int
219	make_align_position (int align, int window_size, int image_size)	169	make_align_position (int align, int window_size, int image_size)
220	{	170	{
221	int diff = window_size - image_size;	171	int diff = window_size - image_size;
222	int smaller = MIN (image_size,window_size);	172	int smaller = min (image_size, window_size);
223		173
224	if (align >= 0 && align <= 50)	174	if (align >= 0 && align <= 100)
225	return diff * align / 100;	175	return diff * align / 100;
226	else if (align > 50 && align <= 100)
227	return window_size - image_size - diff * (100 - align) / 100;
228	else if (align > 100 && align <= 200 )	176	else if (align > 100 && align <= 200)
229	return ((align - 100) * smaller / 100) + window_size - smaller;	177	return ((align - 100) * smaller / 100) + window_size - smaller;
230	else if (align > -100 && align < 0)	178	else if (align >= -100 && align < 0)
231	return ((align + 100) * smaller / 100) - image_size;	179	return ((align + 100) * smaller / 100) - image_size;
232	return 0;	180	return 0;
233	}	181	}
234		182
235	static inline int	183	static inline int
236	make_clip_rectangle (int pos, int size, int target_size, int &dst_pos, int &dst_size)	184	make_clip_rectangle (int pos, int size, int target_size, int &dst_pos, int &dst_size)
237	{	185	{
238	int src_pos = 0;	186	int src_pos = 0;
239	dst_pos = 0;	187	dst_pos = pos;
240	dst_size = size;	188	dst_size = size;
241	if (pos < 0 && size > target_size)	189	if (pos < 0)
242	{	190	{
243	src_pos = -pos;	191	src_pos = -pos;
		192	dst_pos = 0;
244	dst_size += pos;	193	dst_size += pos;
245	}	194	}
246	else if (pos > 0)
247	dst_pos = pos;
248		195
249	if (dst_pos + dst_size > target_size)	196	if (dst_pos + dst_size > target_size)
250	dst_size = target_size - dst_pos;	197	dst_size = target_size - dst_pos;
251	return src_pos;	198	return src_pos;
252	}	199	}
253		200
254	bool	201	bool
255	bgPixmap_t::set_geometry (const char *geom)	202	rxvt_term::bg_set_geometry (const char *geom, bool update)
256	{	203	{
		204	bool changed = false;
257	int geom_flags = 0, changed = 0;	205	int geom_flags = 0;
258	int x = 0, y = 0;	206	int x = 0, y = 0;
259	unsigned int w = 0, h = 0;	207	unsigned int w = 0, h = 0;
260	unsigned int n;	208	unsigned int n;
261	unsigned long new_flags = (flags & (~geometryFlags));	209	unsigned long new_flags = (bg_flags & (~geometryFlags));
262	char *p;	210	const char *ops;
263	# define MAXLEN_GEOM 256 /* could be longer then regular geometry string */
264		211
265	if (geom == NULL)	212	if (geom == NULL)
266	return false;	213	return false;
267		214
268	char str[MAXLEN_GEOM];	215	char str[256];
269		216
270	while (isspace(*geom)) ++geom;
271	if ((p = strchr (geom, ';')) == NULL)
272	p = strchr (geom, '\0');	217	ops = strchr (geom, ':');
273		218	if (ops == NULL)
		219	n = strlen (geom);
		220	else
274	n = (p - geom);	221	n = ops - geom;
275	if (n < MAXLEN_GEOM)
276	{
277	char *ops;
278	new_flags |= geometrySet;
279		222
		223	if (n >= sizeof (str))
		224	return false;
		225
280	strncpy (str, geom, n);	226	memcpy (str, geom, n);
281	str[n] = '\0';	227	str[n] = '\0';
282	if (str[0] == ':')	228	rxvt_strtrim (str);
283	ops = &str[0];
284	else if (str[0] != 'x' && str[0] != 'X' && isalpha(str[0]))
285	ops = &str[0];
286	else
287	{
288	char *tmp;
289	ops = strchr (str, ':');
290	if (ops != NULL)
291	{
292	for (tmp = ops-1; tmp >= str && isspace(*tmp); --tmp);
293	*(++tmp) = '\0';
294	if (ops == tmp) ++ops;
295	}
296	}
297		229
298	if (ops > str || ops == NULL)	230	if (str[0])
299	{	231	{
300	/* we have geometry string - let's handle it prior to applying ops */	232	/* we have geometry string - let's handle it prior to applying ops */
301	geom_flags = XParseGeometry (str, &x, &y, &w, &h);	233	geom_flags = XParseGeometry (str, &x, &y, &w, &h);
302
303	if ((geom_flags & XValue) && !(geom_flags & YValue))
304	{
305	y = x;
306	geom_flags |= YValue;
307	}
308
309	if (flags & geometrySet)
310	{/* new geometry is an adjustment to the old one ! */
311	if ((geom_flags & WidthValue) && (geom_flags & HeightValue))
312	{
313	if (w == 0 && h != 0)
314	{
315	w = h_scale;
316	h = (v_scale * h) / 100;
317	}
318	else if (h == 0 && w != 0)
319	{
320	w = (h_scale * w) / 100;
321	h = v_scale;
322	}
323	}
324	if (geom_flags & XValue)
325	{
326	if (str[0] != '=')
327	{
328	y += v_align;
329	x += h_align;
330	}
331	}
332	}
333	else /* setting up geometry from scratch */
334	{
335	if (!(geom_flags & XValue))
336	{/* use default geometry - centered */
337	x = y = defaultAlign;
338	}
339	else if (!(geom_flags & YValue))
340	y = x;
341
342	if ((geom_flags & (WidthValue|HeightValue)) == 0)
343	{/* use default geometry - scaled */
344	w = h = defaultScale;
345	}
346	else if (geom_flags & WidthValue)
347	{
348	if (!(geom_flags & HeightValue))
349	h = w;
350	}
351	else
352	w = h;
353	}
354	} /* done parsing geometry string */	234	} /* done parsing geometry string */
355	else if (!(flags & geometrySet))	235
356	{ /* default geometry - scaled and centered */	236	if (!update)
		237	{
		238	if (!(geom_flags & XValue))
357	x = y = defaultAlign;	239	x = y = defaultAlign;
		240	else if (!(geom_flags & YValue))
		241	y = x;
		242
		243	if (!(geom_flags & (WidthValue|HeightValue)))
358	w = h = defaultScale;	244	w = h = defaultScale;
359	}	245	else if (!(geom_flags & HeightValue))
		246	h = w;
		247	else if (!(geom_flags & WidthValue))
		248	w = h;
360		249
361	if (!(flags & geometrySet))
362	geom_flags |= WidthValue|HeightValue|XValue|YValue;	250	geom_flags |= WidthValue|HeightValue|XValue|YValue;
		251	}
363		252
364	if (ops)	253	if (ops)
365	{	254	{
366	while (*ops)	255	char **arr = rxvt_strsplit (':', ops + 1);
		256
		257	for (int i = 0; arr[i]; i++)
367	{	258	{
368	while (*ops == ':' || isspace(*ops)) ++ops;	259	if (!strcasecmp (arr[i], "tile"))
369	# define CHECK_GEOM_OPS(op_str) (strncasecmp (ops, (op_str), sizeof(op_str)-1) == 0)
370	if (CHECK_GEOM_OPS("tile"))
371	{	260	{
372	w = h = noScale;	261	w = h = noScale;
373	geom_flags |= WidthValue|HeightValue;	262	geom_flags |= WidthValue|HeightValue;
374	}	263	}
375	else if (CHECK_GEOM_OPS("propscale"))	264	else if (!strcasecmp (arr[i], "propscale"))
376	{	265	{
377	if (w == 0 && h == 0)
378	{
379	w = windowScale;
380	geom_flags |= WidthValue;
381	}
382	new_flags |= propScale;	266	new_flags |= propScale;
383	}	267	}
384	else if (CHECK_GEOM_OPS("hscale"))	268	else if (!strcasecmp (arr[i], "hscale"))
385	{	269	{
386	if (w == 0)
387	w = windowScale;	270	if (w == 0) w = windowScale;
		271
388	h = noScale;	272	h = noScale;
389	geom_flags |= WidthValue|HeightValue;	273	geom_flags |= WidthValue|HeightValue;
390	}	274	}
391	else if (CHECK_GEOM_OPS("vscale"))	275	else if (!strcasecmp (arr[i], "vscale"))
392	{	276	{
393	if (h == 0)
394	h = windowScale;	277	if (h == 0) h = windowScale;
		278
395	w = noScale;	279	w = noScale;
396	geom_flags |= WidthValue|HeightValue;	280	geom_flags |= WidthValue|HeightValue;
397	}	281	}
398	else if (CHECK_GEOM_OPS("scale"))	282	else if (!strcasecmp (arr[i], "scale"))
399	{	283	{
400	if (h == 0)
401	h = windowScale;	284	if (h == 0) h = windowScale;
402	if (w == 0)
403	w = windowScale;	285	if (w == 0) w = windowScale;
		286
404	geom_flags |= WidthValue|HeightValue;	287	geom_flags |= WidthValue|HeightValue;
405	}	288	}
406	else if (CHECK_GEOM_OPS("auto"))	289	else if (!strcasecmp (arr[i], "auto"))
407	{	290	{
408	w = h = windowScale;	291	w = h = windowScale;
409	x = y = centerAlign;	292	x = y = centerAlign;
410	geom_flags |= WidthValue|HeightValue|XValue|YValue;	293	geom_flags |= WidthValue|HeightValue|XValue|YValue;
411	}	294	}
412	else if (CHECK_GEOM_OPS("root"))	295	else if (!strcasecmp (arr[i], "root"))
413	{	296	{
		297	new_flags |= rootAlign;
414	w = h = noScale;	298	w = h = noScale;
415	x = y = rootAlign;
416	geom_flags |= WidthValue|HeightValue|XValue|YValue;	299	geom_flags |= WidthValue|HeightValue;
417	}	300	}
418	# undef CHECK_GEOM_OPS
419	while (*ops != ':' && *ops != '\0') ++ops;
420	} /* done parsing ops */	301	} /* done parsing ops */
421	}
422		302
		303	rxvt_free_strsplit (arr);
		304	}
		305
423	if (check_set_scale_value (geom_flags, WidthValue, h_scale, w))	306	if (check_set_scale_value (geom_flags, WidthValue, h_scale, w)) changed = true;
424	++changed;
425	if (check_set_scale_value (geom_flags, HeightValue, v_scale, h))	307	if (check_set_scale_value (geom_flags, HeightValue, v_scale, h)) changed = true;
426	++changed;
427	if (check_set_align_value (geom_flags, XValue, h_align, x))	308	if (check_set_align_value (geom_flags, XValue, h_align, x)) changed = true;
428	++changed;
429	if (check_set_align_value (geom_flags, YValue, v_align, y))	309	if (check_set_align_value (geom_flags, YValue, v_align, y)) changed = true;
430	++changed;
431	}
432		310
433	if (new_flags != flags)	311	if (new_flags != bg_flags)
434	{	312	{
435	flags = new_flags;	313	bg_flags = new_flags;
436	changed++;	314	changed = true;
437	}	315	}
438	//fprintf( stderr, "flags = %lX, scale = %ux%u, align=%+d%+d\n",	316
439	// flags, h_scale, v_scale, h_align, v_align);
440	return (changed > 0);	317	return changed;
		318	}
		319
		320	void
		321	rxvt_term::get_image_geometry (int image_width, int image_height, int &w, int &h, int &x, int &y)
		322	{
		323	int target_width = szHint.width;
		324	int target_height = szHint.height;
		325
		326	if (bg_flags & propScale)
		327	{
		328	float scale = (float)target_width / image_width;
		329	min_it (scale, (float)target_height / image_height);
		330	w = image_width * scale + 0.5;
		331	h = image_height * scale + 0.5;
		332	}
		333	else
		334	{
		335	w = h_scale * target_width / 100;
		336	h = v_scale * target_height / 100;
		337	}
		338
		339	if (!w) w = image_width;
		340	if (!h) h = image_height;
		341
		342	if (bg_flags & rootAlign)
		343	{
		344	x = -target_x;
		345	y = -target_y;
		346	}
		347	else
		348	{
		349	x = make_align_position (h_align, target_width, w);
		350	y = make_align_position (v_align, target_height, h);
		351	}
		352
		353	bg_flags &= ~sizeSensitive;
		354	if ((bg_flags & propScale) || h_scale || v_scale
		355	|| (!(bg_flags & rootAlign) && (h_align || v_align))
		356	|| w > target_width || h > target_height)
		357	bg_flags |= sizeSensitive;
441	}	358	}
442		359
443	# ifdef HAVE_AFTERIMAGE	360	# ifdef HAVE_AFTERIMAGE
444	bool	361	bool
445	bgPixmap_t::render_asim (ASImage *background, ARGB32 background_tint)	362	rxvt_term::render_image (unsigned long tr_flags)
446	{	363	{
447	if (target == NULL)	364	init_asv ();
448	return false;
449		365
450	int target_width = (int)target->szHint.width;	366	ASImage *background = NULL;
451	int target_height = (int)target->szHint.height;	367	ARGB32 background_tint = TINT_LEAVE_SAME;
452	int new_pmap_width = target_width, new_pmap_height = target_height;	368
		369	# ifdef ENABLE_TRANSPARENCY
		370	if (tr_flags)
		371	background = pixmap2ximage (asv, bg_pixmap, 0, 0, bg_pmap_width, bg_pmap_height, AllPlanes, 100);
		372
		373	if (tr_flags & tintNeeded)
		374	{
		375	ShadingInfo as_shade;
		376	as_shade.shading = shade;
		377
		378	rgba c (rgba::MAX_CC,rgba::MAX_CC,rgba::MAX_CC);
		379	if (bg_flags & tintSet)
		380	tint.get (c);
		381	as_shade.tintColor.red = c.r;
		382	as_shade.tintColor.green = c.g;
		383	as_shade.tintColor.blue = c.b;
		384
		385	background_tint = shading2tint32 (&as_shade);
		386	}
		387
		388	if ((tr_flags & blurNeeded) && background != NULL)
		389	{
		390	ASImage *tmp = blur_asimage_gauss (asv, background, h_blurRadius, v_blurRadius, 0xFFFFFFFF,
		391	(original_asim == NULL || tint == TINT_LEAVE_SAME) ? ASA_XImage : ASA_ASImage,
		392	100, ASIMAGE_QUALITY_DEFAULT);
		393	if (tmp)
		394	{
		395	destroy_asimage (&background);
		396	background = tmp;
		397	}
		398	}
		399	# endif
		400
453	ASImage *result = NULL;	401	ASImage *result = 0;
		402
		403	int target_width = szHint.width;
		404	int target_height = szHint.height;
		405	int new_pmap_width = target_width;
		406	int new_pmap_height = target_height;
454		407
455	int x = 0;	408	int x = 0;
456	int y = 0;	409	int y = 0;
457	int w = h_scale * target_width / 100;	410	int w = 0;
458	int h = v_scale * target_height / 100;	411	int h = 0;
459
460	TIMING_TEST_START (asim);
461		412
462	if (original_asim)	413	if (original_asim)
463	{	414	get_image_geometry (original_asim->width, original_asim->height, w, h, x, y);
464	if (h_align == rootAlign || v_align == rootAlign)
465	{
466	target->get_window_origin(x, y);
467	x = -x;
468	y = -y;
469	}
470	if (h_align != rootAlign)
471	x = make_align_position (h_align, target_width, w > 0 ? w : (int)original_asim->width);
472	if (v_align != rootAlign)
473	y = make_align_position (v_align, target_height, h > 0 ? h : (int)original_asim->height);
474	}
475		415
476	if (original_asim == NULL	416	if (!original_asim
		417	|| (!(bg_flags & rootAlign)
477	|| x >= target_width	418	&& (x >= target_width
478	|| y >= target_height	419	|| y >= target_height
479	|| (w > 0 && x + w <= 0)	420	|| (x + w <= 0)
480	|| (h > 0 && y + h <= 0))	421	|| (y + h <= 0))))
481	{	422	{
482	if (background)	423	if (background)
483	{	424	{
484	new_pmap_width = background->width;	425	new_pmap_width = background->width;
485	new_pmap_height = background->height;	426	new_pmap_height = background->height;
486	result = background;	427	result = background;
		428
487	if (background_tint != TINT_LEAVE_SAME)	429	if (background_tint != TINT_LEAVE_SAME)
488	{	430	{
489	ASImage* tmp = tile_asimage (target->asv, background, 0, 0,	431	ASImage *tmp = tile_asimage (asv, background, 0, 0,
490	target_width, target_height, background_tint,	432	target_width, target_height, background_tint,
491	ASA_XImage, 100, ASIMAGE_QUALITY_DEFAULT);	433	ASA_XImage, 100, ASIMAGE_QUALITY_DEFAULT);
492	if (tmp)	434	if (tmp)
493	result = tmp;	435	result = tmp;
494	}	436	}
…		…
497	new_pmap_width = new_pmap_height = 0;	439	new_pmap_width = new_pmap_height = 0;
498	}	440	}
499	else	441	else
500	{	442	{
501	result = original_asim;	443	result = original_asim;
		444
502	if ((w > 0 && w != original_asim->width)	445	if ((w != original_asim->width)
503	|| (h > 0 && h != original_asim->height))	446	|| (h != original_asim->height))
504	{	447	{
505	result = scale_asimage (target->asv, original_asim,	448	result = scale_asimage (asv, original_asim,
506	w > 0 ? w : original_asim->width,	449	w, h,
507	h > 0 ? h : original_asim->height,
508	background ? ASA_ASImage : ASA_XImage,	450	background ? ASA_ASImage : ASA_XImage,
509	100, ASIMAGE_QUALITY_DEFAULT);	451	100, ASIMAGE_QUALITY_DEFAULT);
510	}	452	}
		453
511	if (background == NULL)	454	if (background == NULL)
512	{/* if tiling - pixmap has to be sized exactly as the image,	455	{
513	but there is no need to make it bigger then the window! */
514	if (h_scale == 0)
515	new_pmap_width = min (result->width, target_width);
516	if (v_scale == 0)
517	new_pmap_height = min (result->height, target_height);
518	/* we also need to tile our image in one or both directions */
519	if (h_scale == 0 || v_scale == 0)	456	if (h_scale == 0 || v_scale == 0)
520	{	457	{
		458	/* if tiling - pixmap has to be sized exactly as the image,
		459	but there is no need to make it bigger than the window! */
		460	new_pmap_width = min (result->width, target_width);
		461	new_pmap_height = min (result->height, target_height);
		462
		463	/* we also need to tile our image in both directions */
521	ASImage *tmp = tile_asimage (target->asv, result,	464	ASImage *tmp = tile_asimage (asv, result,
522	(h_scale > 0) ? 0 : (int)result->width - x,	465	(int)result->width - x,
523	(v_scale > 0) ? 0 : (int)result->height - y,	466	(int)result->height - y,
524	new_pmap_width,	467	new_pmap_width,
525	new_pmap_height,	468	new_pmap_height,
526	TINT_LEAVE_SAME, ASA_XImage,	469	TINT_LEAVE_SAME, ASA_XImage,
527	100, ASIMAGE_QUALITY_DEFAULT);	470	100, ASIMAGE_QUALITY_DEFAULT);
528	if (tmp)	471	if (tmp)
529	{	472	{
530	if (result != original_asim)	473	if (result != original_asim)
531	destroy_asimage (&result);	474	destroy_asimage (&result);
		475
532	result = tmp;	476	result = tmp;
533	}	477	}
534	}	478	}
535	}	479	}
536	else	480	else
		481	{
537	{/* if blending background and image - pixmap has to be sized same as target window */	482	/* if blending background and image - pixmap has to be sized same as target window */
538	ASImageLayer *layers = create_image_layers (2);	483	ASImageLayer *layers = create_image_layers (2);
539	ASImage *merged_im = NULL;
540		484
541	layers[0].im = background;	485	layers[0].im = background;
542	layers[0].clip_width = target_width;	486	layers[0].clip_width = target_width;
543	layers[0].clip_height = target_height;	487	layers[0].clip_height = target_height;
544	layers[0].tint = background_tint;	488	layers[0].tint = background_tint;
545	layers[1].im = result;	489	layers[1].im = result;
546	if (w <= 0)	490
		491	if (h_scale == 0 || v_scale == 0)
		492	{
547	{/* tile horizontally */	493	/* tile horizontally */
548	while (x > 0) x -= (int)result->width;	494	while (x > 0) x -= (int)result->width;
549	layers[1].dst_x = x;	495	layers[1].dst_x = x;
550	layers[1].clip_width = result->width+target_width;	496	layers[1].clip_width = result->width+target_width;
551	}	497	}
552	else	498	else
		499	{
553	{/* clip horizontally */	500	/* clip horizontally */
554	layers[1].dst_x = x;	501	layers[1].dst_x = x;
555	layers[1].clip_width = result->width;	502	layers[1].clip_width = result->width;
556	}	503	}
557	if (h <= 0)	504
		505	if (h_scale == 0 || v_scale == 0)
558	{	506	{
559	while (y > 0) y -= (int)result->height;	507	while (y > 0) y -= (int)result->height;
560	layers[1].dst_y = y;	508	layers[1].dst_y = y;
561	layers[1].clip_height = result->height + target_height;	509	layers[1].clip_height = result->height + target_height;
562	}	510	}
563	else	511	else
564	{	512	{
565	layers[1].dst_y = y;	513	layers[1].dst_y = y;
566	layers[1].clip_height = result->height;	514	layers[1].clip_height = result->height;
567	}	515	}
		516
568	if (target->rs[Rs_blendtype])	517	if (rs[Rs_blendtype])
569	{	518	{
570	layers[1].merge_scanlines = blend_scanlines_name2func (target->rs[Rs_blendtype]);	519	layers[1].merge_scanlines = blend_scanlines_name2func (rs[Rs_blendtype]);
571	if (layers[1].merge_scanlines == NULL)	520	if (layers[1].merge_scanlines == NULL)
572	layers[1].merge_scanlines = alphablend_scanlines;	521	layers[1].merge_scanlines = alphablend_scanlines;
573	}	522	}
		523
574	ASImage *tmp = merge_layers (target->asv, layers, 2, target_width, target_height,	524	ASImage *tmp = merge_layers (asv, layers, 2, target_width, target_height,
575	ASA_XImage, 0, ASIMAGE_QUALITY_DEFAULT);	525	ASA_XImage, 0, ASIMAGE_QUALITY_DEFAULT);
		526
576	if (tmp)	527	if (tmp)
577	{	528	{
578	if (result != original_asim)	529	if (result != original_asim)
579	destroy_asimage (&result);	530	destroy_asimage (&result);
		531
580	result = tmp;	532	result = tmp;
581	}	533	}
		534
582	free (layers);	535	free (layers);
583	}	536	}
584	}	537	}
585	TIMING_TEST_PRINT_RESULT (asim);
586		538
587	if (pixmap)	539	bool ret = false;
588	{
589	if (result == NULL
590	|| pmap_width != new_pmap_width
591	|| pmap_height != new_pmap_height
592	|| pmap_depth != target->depth)
593	{
594	XFreePixmap (target->dpy, pixmap);
595	pixmap = None;
596	}
597	}
598		540
599	if (result)	541	if (result)
600	{	542	{
601	XGCValues gcv;	543	XGCValues gcv;
602	GC gc;	544	GC gc;
603		545
604	/* create Pixmap */	546	/* create Pixmap */
605	if (pixmap == None)	547	if (bg_pixmap == None
		548	|| bg_pmap_width != new_pmap_width
		549	|| bg_pmap_height != new_pmap_height)
606	{	550	{
		551	if (bg_pixmap)
		552	XFreePixmap (dpy, bg_pixmap);
607	pixmap = XCreatePixmap (target->dpy, target->vt, new_pmap_width, new_pmap_height, target->depth);	553	bg_pixmap = XCreatePixmap (dpy, vt, new_pmap_width, new_pmap_height, depth);
608	pmap_width = new_pmap_width;	554	bg_pmap_width = new_pmap_width;
609	pmap_height = new_pmap_height;	555	bg_pmap_height = new_pmap_height;
610	pmap_depth = target->depth;
611	}	556	}
612	/* fill with background color ( if result's not completely overlapping it)*/	557	/* fill with background color (if result's not completely overlapping it) */
613	gcv.foreground = target->pix_colors[Color_bg];	558	gcv.foreground = pix_colors[Color_bg];
614	gc = XCreateGC (target->dpy, target->vt, GCForeground, &gcv);	559	gc = XCreateGC (dpy, vt, GCForeground, &gcv);
615		560
616	int src_x = 0, src_y = 0, dst_x = 0, dst_y = 0;	561	int src_x = 0, src_y = 0, dst_x = 0, dst_y = 0;
617	int dst_width = result->width, dst_height = result->height;	562	int dst_width = result->width, dst_height = result->height;
618	if (background == NULL)	563	if (background == NULL)
619	{	564	{
620	if (h_scale > 0)	565	if (!(h_scale == 0 || v_scale == 0))
		566	{
621	src_x = make_clip_rectangle (x, result->width, new_pmap_width, dst_x, dst_width);	567	src_x = make_clip_rectangle (x, result->width , new_pmap_width , dst_x, dst_width );
622	if (v_scale > 0)
623	src_y = make_clip_rectangle (y, result->height, new_pmap_height, dst_y, dst_height);	568	src_y = make_clip_rectangle (y, result->height, new_pmap_height, dst_y, dst_height);
		569	}
624		570
625	if (dst_x > 0 || dst_y > 0	571	if (dst_x > 0 || dst_y > 0
626	|| dst_x + dst_width < new_pmap_width	572	|| dst_x + dst_width < new_pmap_width
627	|| dst_y + dst_height < new_pmap_height)	573	|| dst_y + dst_height < new_pmap_height)
628	{
629	XFillRectangle (target->dpy, pixmap, gc, 0, 0, new_pmap_width, new_pmap_height);	574	XFillRectangle (dpy, bg_pixmap, gc, 0, 0, new_pmap_width, new_pmap_height);
630	}
631	}	575	}
632		576
633	/* put result on pixmap */	577	/* put result on pixmap */
634	if (dst_x < new_pmap_width && dst_y < new_pmap_height)	578	if (dst_x < new_pmap_width && dst_y < new_pmap_height)
635	asimage2drawable (target->asv, pixmap, result, gc, src_x, src_y, dst_x, dst_y, dst_width, dst_height, True);	579	asimage2drawable (asv, bg_pixmap, result, gc, src_x, src_y, dst_x, dst_y, dst_width, dst_height, True);
636		580
637	if (result != background && result != original_asim)	581	if (result != background && result != original_asim)
638	destroy_asimage (&result);	582	destroy_asimage (&result);
639		583
640	XFreeGC (target->dpy, gc);	584	XFreeGC (dpy, gc);
641	TIMING_TEST_PRINT_RESULT (asim);	585
		586	ret = true;
		587	}
		588
		589	if (background)
		590	destroy_asimage (&background);
		591
		592	return ret;
		593	}
		594	# endif /* HAVE_AFTERIMAGE */
		595
		596	# ifdef HAVE_PIXBUF
		597	bool
		598	rxvt_term::pixbuf_to_pixmap (GdkPixbuf *pixbuf, Pixmap pixmap, GC gc,
		599	int src_x, int src_y, int dst_x, int dst_y,
		600	unsigned int width, unsigned int height)
		601	{
		602	XImage *ximage;
		603	char *data, *line;
		604	int bytes_per_pixel;
		605	int width_r, width_g, width_b;
		606	int sh_r, sh_g, sh_b;
		607	int rowstride;
		608	int channels;
		609	unsigned char *row;
		610
		611	if (visual->c_class != TrueColor)
		612	return false;
		613
		614	if (depth == 24 || depth == 32)
		615	bytes_per_pixel = 4;
		616	else if (depth == 15 || depth == 16)
		617	bytes_per_pixel = 2;
		618	else
		619	return false;
		620
		621	width_r = rxvt_popcount (visual->red_mask);
		622	width_g = rxvt_popcount (visual->green_mask);
		623	width_b = rxvt_popcount (visual->blue_mask);
		624
		625	if (width_r > 8 || width_g > 8 || width_b > 8)
		626	return false;
		627
		628	sh_r = rxvt_ctz (visual->red_mask);
		629	sh_g = rxvt_ctz (visual->green_mask);
		630	sh_b = rxvt_ctz (visual->blue_mask);
		631
		632	if (width > INT_MAX / height / bytes_per_pixel)
		633	return false;
		634
		635	data = (char *)malloc (width * height * bytes_per_pixel);
		636	if (!data)
		637	return false;
		638
		639	ximage = XCreateImage (dpy, visual, depth, ZPixmap, 0, data,
		640	width, height, bytes_per_pixel * 8, 0);
		641	if (!ximage)
642	}	642	{
		643	free (data);
		644	return false;
		645	}
643		646
		647	ximage->byte_order = byteorder::big_endian () ? MSBFirst : LSBFirst;
		648
		649	rowstride = gdk_pixbuf_get_rowstride (pixbuf);
		650	channels = gdk_pixbuf_get_n_channels (pixbuf);
		651	row = gdk_pixbuf_get_pixels (pixbuf) + src_y * rowstride + src_x * channels;
		652	line = data;
		653
		654	for (int y = 0; y < height; y++)
		655	{
		656	for (int x = 0; x < width; x++)
		657	{
		658	unsigned char *pixel = row + x * channels;
		659	uint32_t value;
		660
		661	value = ((pixel[0] >> (8 - width_r)) << sh_r)
		662	| ((pixel[1] >> (8 - width_g)) << sh_g)
		663	| ((pixel[2] >> (8 - width_b)) << sh_b);
		664
		665	if (bytes_per_pixel == 4)
		666	((uint32_t *)line)[x] = value;
		667	else
		668	((uint16_t *)line)[x] = value;
		669	}
		670
		671	row += rowstride;
		672	line += ximage->bytes_per_line;
		673	}
		674
		675	XPutImage (dpy, pixmap, gc, ximage, 0, 0, dst_x, dst_y, width, height);
		676	XDestroyImage (ximage);
644	return true;	677	return true;
645	}	678	}
646	# endif /* HAVE_AFTERIMAGE */
647		679
648	bool	680	bool
649	bgPixmap_t::set_file (const char *file)	681	rxvt_term::render_image (unsigned long tr_flags)
650	{	682	{
651	char *f;	683	if (!pixbuf)
		684	return false;
652		685
653	assert (file != NULL);	686	if (tr_flags
		687	&& !(bg_flags & HAS_RENDER))
		688	return false;
654		689
655	if (*file != '\0')	690	GdkPixbuf *result;
		691
		692	int image_width = gdk_pixbuf_get_width (pixbuf);
		693	int image_height = gdk_pixbuf_get_height (pixbuf);
		694
		695	int target_width = szHint.width;
		696	int target_height = szHint.height;
		697	int new_pmap_width = target_width;
		698	int new_pmap_height = target_height;
		699
		700	int x = 0;
		701	int y = 0;
		702	int w = 0;
		703	int h = 0;
		704
		705	get_image_geometry (image_width, image_height, w, h, x, y);
		706
		707	if (!(bg_flags & rootAlign)
		708	&& (x >= target_width
		709	|| y >= target_height
		710	|| (x + w <= 0)
		711	|| (y + h <= 0)))
		712	return false;
		713
		714	result = pixbuf;
		715
		716	if ((w != image_width)
		717	|| (h != image_height))
		718	{
		719	result = gdk_pixbuf_scale_simple (pixbuf,
		720	w, h,
		721	GDK_INTERP_BILINEAR);
656	{	722	}
		723
		724	bool ret = false;
		725
		726	if (result)
		727	{
		728	XGCValues gcv;
		729	GC gc;
		730	Pixmap root_pmap;
		731
		732	image_width = gdk_pixbuf_get_width (result);
		733	image_height = gdk_pixbuf_get_height (result);
		734
		735	if (tr_flags)
		736	{
		737	root_pmap = bg_pixmap;
		738	bg_pixmap = None;
		739	}
		740	else
		741	{
		742	if (h_scale == 0 || v_scale == 0)
		743	{
		744	new_pmap_width = min (image_width, target_width);
		745	new_pmap_height = min (image_height, target_height);
		746	}
		747	}
		748
		749	if (bg_pixmap == None
		750	|| bg_pmap_width != new_pmap_width
		751	|| bg_pmap_height != new_pmap_height)
		752	{
		753	if (bg_pixmap)
		754	XFreePixmap (dpy, bg_pixmap);
		755	bg_pixmap = XCreatePixmap (dpy, vt, new_pmap_width, new_pmap_height, depth);
		756	bg_pmap_width = new_pmap_width;
		757	bg_pmap_height = new_pmap_height;
		758	}
		759
		760	gcv.foreground = pix_colors[Color_bg];
		761	gc = XCreateGC (dpy, vt, GCForeground, &gcv);
		762
		763	if (h_scale == 0 || v_scale == 0)
		764	{
		765	Pixmap tile = XCreatePixmap (dpy, vt, image_width, image_height, depth);
		766	pixbuf_to_pixmap (result, tile, gc,
		767	0, 0,
		768	0, 0,
		769	image_width, image_height);
		770
		771	gcv.tile = tile;
		772	gcv.fill_style = FillTiled;
		773	gcv.ts_x_origin = x;
		774	gcv.ts_y_origin = y;
		775	XChangeGC (dpy, gc, GCFillStyle | GCTile | GCTileStipXOrigin | GCTileStipYOrigin, &gcv);
		776
		777	XFillRectangle (dpy, bg_pixmap, gc, 0, 0, new_pmap_width, new_pmap_height);
		778	XFreePixmap (dpy, tile);
		779	}
		780	else
		781	{
		782	int src_x, src_y, dst_x, dst_y;
		783	int dst_width, dst_height;
		784
		785	src_x = make_clip_rectangle (x, image_width , new_pmap_width , dst_x, dst_width );
		786	src_y = make_clip_rectangle (y, image_height, new_pmap_height, dst_y, dst_height);
		787
		788	if (dst_x > 0 || dst_y > 0
		789	|| dst_x + dst_width < new_pmap_width
		790	|| dst_y + dst_height < new_pmap_height)
		791	XFillRectangle (dpy, bg_pixmap, gc, 0, 0, new_pmap_width, new_pmap_height);
		792
		793	if (dst_x < new_pmap_width && dst_y < new_pmap_height)
		794	pixbuf_to_pixmap (result, bg_pixmap, gc,
		795	src_x, src_y,
		796	dst_x, dst_y,
		797	dst_width, dst_height);
		798	}
		799
		800	#if XRENDER
		801	if (tr_flags)
		802	{
		803	XRenderPictureAttributes pa;
		804
		805	XRenderPictFormat *src_format = XRenderFindVisualFormat (dpy, visual);
		806	Picture src = XRenderCreatePicture (dpy, root_pmap, src_format, 0, &pa);
		807
		808	XRenderPictFormat *dst_format = XRenderFindVisualFormat (dpy, visual);
		809	Picture dst = XRenderCreatePicture (dpy, bg_pixmap, dst_format, 0, &pa);
		810
		811	pa.repeat = True;
		812	Pixmap mask_pmap = XCreatePixmap (dpy, vt, 1, 1, 8);
		813	XRenderPictFormat *mask_format = XRenderFindStandardFormat (dpy, PictStandardA8);
		814	Picture mask = XRenderCreatePicture (dpy, mask_pmap, mask_format, CPRepeat, &pa);
		815	XFreePixmap (dpy, mask_pmap);
		816
		817	if (src && dst && mask)
		818	{
		819	XRenderColor mask_c;
		820
		821	mask_c.alpha = 0x8000;
		822	mask_c.red = 0;
		823	mask_c.green = 0;
		824	mask_c.blue = 0;
		825	XRenderFillRectangle (dpy, PictOpSrc, mask, &mask_c, 0, 0, 1, 1);
		826	XRenderComposite (dpy, PictOpOver, src, mask, dst, 0, 0, 0, 0, 0, 0, target_width, target_height);
		827	}
		828
		829	XRenderFreePicture (dpy, src);
		830	XRenderFreePicture (dpy, dst);
		831	XRenderFreePicture (dpy, mask);
		832
		833	XFreePixmap (dpy, root_pmap);
		834	}
		835	#endif
		836
		837	if (result != pixbuf)
		838	g_object_unref (result);
		839
		840	XFreeGC (dpy, gc);
		841
		842	ret = true;
		843	}
		844
		845	return ret;
		846	}
		847	# endif /* HAVE_PIXBUF */
		848
		849	bool
		850	rxvt_term::bg_set_file (const char *file)
		851	{
		852	if (!file || !*file)
		853	return false;
		854
		855	if (const char *p = strchr (file, ';'))
		856	{
		857	size_t len = p - file;
		858	char *f = rxvt_temp_buf<char> (len + 1);
		859	memcpy (f, file, len);
		860	f[len] = '\0';
		861	file = f;
		862	}
		863
657	# ifdef HAVE_AFTERIMAGE	864	# ifdef HAVE_AFTERIMAGE
658	if (target->asimman == NULL)	865	if (!asimman)
659	target->asimman = create_generic_imageman (target->rs[Rs_path]);	866	asimman = create_generic_imageman (rs[Rs_path]);
660	if ((f = strchr (file, ';')) == NULL)
661	original_asim = get_asimage (target->asimman, file, 0xFFFFFFFF, 100);	867	ASImage *image = get_asimage (asimman, file, 0xFFFFFFFF, 100);
662	else	868	if (image)
663	{	869	{
664	size_t len = f - file;	870	if (original_asim)
665	f = (char *)malloc (len + 1);	871	safe_asimage_destroy (original_asim);
666	strncpy (f, file, len);	872	original_asim = image;
667	f[len] = '\0';	873	bg_flags |= CLIENT_RENDER;
668	original_asim = get_asimage (target->asimman, f, 0xFFFFFFFF, 100);	874	have_image = true;
669	free (f);	875	return true;
670	}	876	}
671	return (original_asim != NULL);
672	# endif	877	# endif
		878
		879	# ifdef HAVE_PIXBUF
		880	GdkPixbuf *image = gdk_pixbuf_new_from_file (file, NULL);
		881	if (image)
673	}	882	{
		883	if (pixbuf)
		884	g_object_unref (pixbuf);
		885	pixbuf = image;
		886	have_image = true;
		887	return true;
		888	}
		889	# endif
		890
674	return false;	891	return false;
675	}	892	}
676		893
677	# endif /* BG_IMAGE_FROM_FILE */	894	# endif /* BG_IMAGE_FROM_FILE */
678		895
679	# ifdef ENABLE_TRANSPARENCY	896	# ifdef ENABLE_TRANSPARENCY
680	bool	897	bool
681	bgPixmap_t::set_transparent ()	898	rxvt_term::bg_set_transparent ()
682	{	899	{
683	if (!(flags & isTransparent))	900	if (!(bg_flags & isTransparent))
684	{	901	{
685	flags |= isTransparent;	902	bg_flags |= isTransparent;
686	return true;	903	return true;
687	}	904	}
		905
688	return false;	906	return false;
689	}	907	}
690		908
691	bool	909	bool
692	bgPixmap_t::set_blur_radius (const char *geom)	910	rxvt_term::bg_set_blur (const char *geom)
693	{	911	{
694	int changed = 0;	912	bool changed = false;
695	unsigned int hr, vr;	913	unsigned int hr, vr;
696	int junk;	914	int junk;
697	int geom_flags = XParseGeometry (geom, &junk, &junk, &hr, &vr);	915	int geom_flags = XParseGeometry (geom, &junk, &junk, &hr, &vr);
698		916
699	if (!(geom_flags&WidthValue))	917	if (!(geom_flags & WidthValue))
700	hr = 1;	918	hr = 1;
701	if (!(geom_flags&HeightValue))	919	if (!(geom_flags & HeightValue))
702	vr = hr;	920	vr = hr;
703		921
		922	min_it (hr, 128);
		923	min_it (vr, 128);
		924
704	if (h_blurRadius != hr)	925	if (h_blurRadius != hr)
705	{	926	{
706	++changed;	927	changed = true;
707	h_blurRadius = hr;	928	h_blurRadius = hr;
708	}	929	}
709		930
710	if (v_blurRadius != vr)	931	if (v_blurRadius != vr)
711	{	932	{
712	++changed;	933	changed = true;
713	v_blurRadius = vr;	934	v_blurRadius = vr;
714	}	935	}
715		936
716	if (v_blurRadius == 0 && h_blurRadius == 0)	937	if (v_blurRadius == 0 && h_blurRadius == 0)
717	flags &= ~blurNeeded;	938	bg_flags &= ~blurNeeded;
718	else	939	else
719	flags |= blurNeeded;	940	bg_flags |= blurNeeded;
720		941
721	return (changed>0);	942	return changed;
722	}	943	}
723		944
724	static inline unsigned long	945	static inline unsigned long
725	compute_tint_shade_flags (rxvt_color *tint, int shade)	946	compute_tint_shade_flags (rxvt_color *tint, int shade)
726	{	947	{
727	unsigned long flags = 0;	948	unsigned long flags = 0;
728	rgba c (rgba::MAX_CC,rgba::MAX_CC,rgba::MAX_CC);	949	rgba c (rgba::MAX_CC,rgba::MAX_CC,rgba::MAX_CC);
729	bool has_shade = (shade > 0 && shade < 100) || (shade > 100 && shade < 200);	950	bool has_shade = shade != 100;
730		951
731	if (tint)	952	if (tint)
732	{	953	{
733	tint->get (c);	954	tint->get (c);
734	# define IS_COMPONENT_WHOLESOME(cmp) ((cmp) <= 0x000700 || (cmp) >= 0x00f700)	955	if (!has_shade
735	if (!has_shade && IS_COMPONENT_WHOLESOME (c.r)	956	&& (c.r <= 0x00ff || c.r >= 0xff00)
736	&& IS_COMPONENT_WHOLESOME (c.g)	957	&& (c.g <= 0x00ff || c.g >= 0xff00)
737	&& IS_COMPONENT_WHOLESOME (c.b))	958	&& (c.b <= 0x00ff || c.b >= 0xff00))
738	flags |= bgPixmap_t::tintWholesome;	959	flags |= rxvt_term::tintWholesome;
739	# undef IS_COMPONENT_WHOLESOME
740	}
741
742	if (has_shade)
743	flags |= bgPixmap_t::tintNeeded;
744	else if (tint)
745	{
746	if ((c.r > 0x000700 || c.g > 0x000700 || c.b > 0x000700)
747	&& (c.r < 0x00f700 || c.g < 0x00f700 || c.b < 0x00f700))
748	{
749	flags |= bgPixmap_t::tintNeeded;
750	}	960	}
751	}
752		961
753	if (flags & bgPixmap_t::tintNeeded)	962	if (has_shade || tint)
754	{	963	flags |= rxvt_term::tintNeeded;
755	if (flags & bgPixmap_t::tintWholesome)
756	flags |= bgPixmap_t::tintServerSide;
757	else
758	{
759	#if XFT
760	flags |= bgPixmap_t::tintServerSide;
761	#endif
762	}
763	}
764		964
765	return flags;	965	return flags;
766	}	966	}
767		967
768	bool	968	bool
769	bgPixmap_t::set_tint (rxvt_color &new_tint)	969	rxvt_term::bg_set_tint (rxvt_color &new_tint)
770	{	970	{
771	if (tint != new_tint)	971	if (!(bg_flags & tintSet) || tint != new_tint)
772	{	972	{
773	unsigned long new_flags = compute_tint_shade_flags (&new_tint, shade);	973	unsigned long new_flags = compute_tint_shade_flags (&new_tint, shade);
774	tint = new_tint;	974	tint = new_tint;
775	flags = (flags & ~tintFlags) | new_flags | tintSet;	975	bg_flags = (bg_flags & ~tintFlags) | new_flags | tintSet;
776	return true;	976	return true;
777	}	977	}
		978
778	return false;	979	return false;
779	}	980	}
780		981
781	bool	982	bool
782	bgPixmap_t::unset_tint ()	983	rxvt_term::bg_set_shade (const char *shade_str)
783	{	984	{
		985	int new_shade = (shade_str) ? atoi (shade_str) : 100;
		986
		987	clamp_it (new_shade, -100, 200);
		988	if (new_shade < 0)
		989	new_shade = 200 - (100 + new_shade);
		990
		991	if (new_shade != shade)
		992	{
784	unsigned long new_flags = compute_tint_shade_flags (NULL, shade);	993	unsigned long new_flags = compute_tint_shade_flags ((bg_flags & tintSet) ? &tint : NULL, new_shade);
785		994	shade = new_shade;
786	if (new_flags != (flags & tintFlags))
787	{
788	flags = (flags&~tintFlags)|new_flags;	995	bg_flags = (bg_flags & ~tintFlags) | new_flags;
789	return true;	996	return true;
790	}	997	}
		998
791	return false;	999	return false;
792	}	1000	}
793		1001
		1002	#if XRENDER
		1003	static void
		1004	get_gaussian_kernel (int radius, int width, double *kernel, XFixed *params)
		1005	{
		1006	double sigma = radius / 2.0;
		1007	double scale = sqrt (2.0 * M_PI) * sigma;
		1008	double sum = 0.0;
		1009
		1010	for (int i = 0; i < width; i++)
		1011	{
		1012	double x = i - width / 2;
		1013	kernel[i] = exp (-(x * x) / (2.0 * sigma * sigma)) / scale;
		1014	sum += kernel[i];
		1015	}
		1016
		1017	params[0] = XDoubleToFixed (width);
		1018	params[1] = XDoubleToFixed (1);
		1019
		1020	for (int i = 0; i < width; i++)
		1021	params[i+2] = XDoubleToFixed (kernel[i] / sum);
		1022	}
		1023	#endif
		1024
794	bool	1025	bool
795	bgPixmap_t::set_shade (const char *shade_str)	1026	rxvt_term::blur_pixmap (Pixmap pixmap, Visual *visual, int width, int height)
796	{	1027	{
797	int new_shade = (shade_str) ? atoi (shade_str) : 0;	1028	bool ret = false;
		1029	#if XRENDER
		1030	int size = max (h_blurRadius, v_blurRadius) * 2 + 1;
		1031	double *kernel = (double *)malloc (size * sizeof (double));
		1032	XFixed *params = (XFixed *)malloc ((size + 2) * sizeof (XFixed));
798		1033
799	if (new_shade < 0 && new_shade > -100)	1034	XRenderPictureAttributes pa;
800	new_shade = 200 - (100 + new_shade);	1035	XRenderPictFormat *format = XRenderFindVisualFormat (dpy, visual);
801	else if (new_shade == 100)
802	new_shade = 0;
803		1036
804	if (new_shade != shade)	1037	Picture src = XRenderCreatePicture (dpy, pixmap, format, 0, &pa);
		1038	Picture dst = XRenderCreatePicture (dpy, pixmap, format, 0, &pa);
		1039
		1040	if (kernel && params && src && dst)
805	{	1041	{
806	unsigned long new_flags = compute_tint_shade_flags ((flags & tintSet) ? &tint : NULL, new_shade);	1042	if (h_blurRadius)
807	shade = new_shade;	1043	{
808	flags = (flags & (~tintFlags | tintSet)) | new_flags;	1044	size = h_blurRadius * 2 + 1;
		1045	get_gaussian_kernel (h_blurRadius, size, kernel, params);
		1046
		1047	XRenderSetPictureFilter (dpy, src, FilterConvolution, params, size+2);
		1048	XRenderComposite (dpy,
		1049	PictOpSrc,
		1050	src,
		1051	None,
		1052	dst,
		1053	0, 0,
		1054	0, 0,
		1055	0, 0,
		1056	width, height);
		1057	}
		1058
		1059	if (v_blurRadius)
		1060	{
		1061	size = v_blurRadius * 2 + 1;
		1062	get_gaussian_kernel (v_blurRadius, size, kernel, params);
		1063	::swap (params[0], params[1]);
		1064
		1065	XRenderSetPictureFilter (dpy, src, FilterConvolution, params, size+2);
		1066	XRenderComposite (dpy,
		1067	PictOpSrc,
		1068	src,
		1069	None,
		1070	dst,
		1071	0, 0,
		1072	0, 0,
		1073	0, 0,
		1074	width, height);
		1075	}
		1076
809	return true;	1077	ret = true;
		1078	}
		1079
		1080	free (kernel);
		1081	free (params);
		1082	XRenderFreePicture (dpy, src);
		1083	XRenderFreePicture (dpy, dst);
		1084	#endif
		1085	return ret;
		1086	}
		1087
		1088	bool
		1089	rxvt_term::tint_pixmap (Pixmap pixmap, Visual *visual, int width, int height)
		1090	{
		1091	bool ret = false;
		1092
		1093	if (bg_flags & tintWholesome)
810	}	1094	{
		1095	XGCValues gcv;
		1096	GC gc;
		1097
		1098	/* In this case we can tint image server-side getting significant
		1099	* performance improvements, as we eliminate XImage transfer
		1100	*/
		1101	gcv.foreground = Pixel (tint);
		1102	gcv.function = GXand;
		1103	gcv.fill_style = FillSolid;
		1104	gc = XCreateGC (dpy, pixmap, GCFillStyle | GCForeground | GCFunction, &gcv);
		1105	if (gc)
		1106	{
		1107	XFillRectangle (dpy, pixmap, gc, 0, 0, width, height);
		1108	ret = true;
		1109	XFreeGC (dpy, gc);
		1110	}
		1111	}
		1112	else
		1113	{
		1114	# if XRENDER
		1115	rgba c (rgba::MAX_CC,rgba::MAX_CC,rgba::MAX_CC);
		1116
		1117	if (bg_flags & tintSet)
		1118	tint.get (c);
		1119
		1120	if (shade <= 100)
		1121	{
		1122	c.r = (c.r * shade) / 100;
		1123	c.g = (c.g * shade) / 100;
		1124	c.b = (c.b * shade) / 100;
		1125	}
		1126	else
		1127	{
		1128	c.r = (c.r * (200 - shade)) / 100;
		1129	c.g = (c.g * (200 - shade)) / 100;
		1130	c.b = (c.b * (200 - shade)) / 100;
		1131	}
		1132
		1133	XRenderPictFormat *solid_format = XRenderFindStandardFormat (dpy, PictStandardARGB32);
		1134	XRenderPictFormat *format = XRenderFindVisualFormat (dpy, visual);
		1135	XRenderPictureAttributes pa;
		1136
		1137	Picture back_pic = XRenderCreatePicture (dpy, pixmap, format, 0, &pa);
		1138
		1139	pa.repeat = True;
		1140
		1141	Pixmap overlay_pmap = XCreatePixmap (dpy, pixmap, 1, 1, 32);
		1142	Picture overlay_pic = XRenderCreatePicture (dpy, overlay_pmap, solid_format, CPRepeat, &pa);
		1143	XFreePixmap (dpy, overlay_pmap);
		1144
		1145	pa.component_alpha = True;
		1146	Pixmap mask_pmap = XCreatePixmap (dpy, pixmap, 1, 1, 32);
		1147	Picture mask_pic = XRenderCreatePicture (dpy, mask_pmap, solid_format, CPRepeat|CPComponentAlpha, &pa);
		1148	XFreePixmap (dpy, mask_pmap);
		1149
		1150	if (mask_pic && overlay_pic && back_pic)
		1151	{
		1152	XRenderColor mask_c;
		1153
		1154	mask_c.red = mask_c.green = mask_c.blue = 0;
		1155	mask_c.alpha = 0xffff;
		1156	XRenderFillRectangle (dpy, PictOpSrc, overlay_pic, &mask_c, 0, 0, 1, 1);
		1157
		1158	mask_c.alpha = 0;
		1159	mask_c.red = 0xffff - c.r;
		1160	mask_c.green = 0xffff - c.g;
		1161	mask_c.blue = 0xffff - c.b;
		1162	XRenderFillRectangle (dpy, PictOpSrc, mask_pic, &mask_c, 0, 0, 1, 1);
		1163	XRenderComposite (dpy, PictOpOver, overlay_pic, mask_pic, back_pic, 0, 0, 0, 0, 0, 0, width, height);
		1164
		1165	if (shade > 100)
		1166	{
		1167	mask_c.red = mask_c.green = mask_c.blue = 0xffff * (shade - 100) / 100;
		1168	mask_c.alpha = 0;
		1169	XRenderFillRectangle (dpy, PictOpSrc, overlay_pic, &mask_c, 0, 0, 1, 1);
		1170
		1171	XRenderComposite (dpy, PictOpOver, overlay_pic, None, back_pic, 0, 0, 0, 0, 0, 0, width, height);
		1172	}
		1173
		1174	ret = true;
		1175	}
		1176
		1177	XRenderFreePicture (dpy, mask_pic);
		1178	XRenderFreePicture (dpy, overlay_pic);
		1179	XRenderFreePicture (dpy, back_pic);
		1180	# endif
		1181	}
		1182
811	return false;	1183	return ret;
812	}	1184	}
813		1185
814	/* make_transparency_pixmap()	1186	/* make_transparency_pixmap()
815	* Builds a pixmap sized the same as terminal window, with depth same as the root window	1187	* Builds a pixmap of the same size as the terminal window that contains
816	* that pixmap contains tiled portion of the root pixmap that is supposed to be covered by	1188	* the tiled portion of the root pixmap that is supposed to be covered by
817	* our window.	1189	* our window.
818	*/	1190	*/
819	unsigned long	1191	unsigned long
820	bgPixmap_t::make_transparency_pixmap ()	1192	rxvt_term::make_transparency_pixmap ()
821	{	1193	{
822	unsigned long result = 0;	1194	unsigned long result = 0;
823		1195
824	if (target == NULL)
825	return 0;
826
827	/* root dimentions may change from call to call - but Display structure should	1196	/* root dimensions may change from call to call - but Display structure should
828	* be always up-to-date, so let's use it :	1197	* be always up-to-date, so let's use it :
829	*/	1198	*/
830	Window root = target->display->root;
831	int screen = target->display->screen;	1199	int screen = display->screen;
832	Display *dpy = target->dpy;	1200	int root_depth = DefaultDepth (dpy, screen);
833	int root_width = DisplayWidth (dpy, screen);	1201	int root_width = DisplayWidth (dpy, screen);
834	int root_height = DisplayHeight (dpy, screen);	1202	int root_height = DisplayHeight (dpy, screen);
835	unsigned int root_pmap_width, root_pmap_height;	1203	unsigned int root_pmap_width, root_pmap_height;
836	int window_width = target->szHint.width;	1204	int window_width = szHint.width;
837	int window_height = target->szHint.height;	1205	int window_height = szHint.height;
838	int sx, sy;	1206	int sx, sy;
839	XGCValues gcv;	1207	XGCValues gcv;
		1208	GC gc;
840		1209
841	TIMING_TEST_START (tp);	1210	sx = target_x;
842	target->get_window_origin (sx, sy);	1211	sy = target_y;
843		1212
844	/* check if we are outside of the visible part of the virtual screen : */	1213	/* check if we are outside of the visible part of the virtual screen : */
845	if (sx + window_width <= 0 || sy + window_height <= 0	1214	if (sx + window_width <= 0 || sy + window_height <= 0
846	|| sx >= root_width || sy >= root_height)	1215	|| sx >= root_width || sy >= root_height)
847	return 0;	1216	return 0;
848		1217
		1218	// validate root pixmap and get its size
849	if (root_pixmap != None)	1219	if (root_pixmap != None)
850	{/* we want to validate the pixmap and get it's size at the same time : */	1220	{
		1221	Window wdummy;
851	int junk;	1222	int idummy;
852	unsigned int ujunk;	1223	unsigned int udummy;
853	/* root pixmap may be bad - allow a error */	1224
854	target->allowedxerror = -1;	1225	allowedxerror = -1;
855		1226
856	if (!XGetGeometry (dpy, root_pixmap, &root, &junk, &junk, &root_pmap_width, &root_pmap_height, &ujunk, &ujunk))	1227	if (!XGetGeometry (dpy, root_pixmap, &wdummy, &idummy, &idummy, &root_pmap_width, &root_pmap_height, &udummy, &udummy))
857	root_pixmap = None;	1228	root_pixmap = None;
858		1229
859	target->allowedxerror = 0;	1230	allowedxerror = 0;
		1231	}
		1232
		1233	Pixmap recoded_root_pmap = root_pixmap;
		1234
		1235	if (root_pixmap != None && root_depth != depth)
860	}	1236	{
		1237	#if XRENDER
		1238	if (bg_flags & HAS_RENDER)
		1239	{
		1240	XRenderPictureAttributes pa;
861		1241
862	Pixmap tiled_root_pmap = XCreatePixmap (dpy, root, window_width, window_height, root_depth);	1242	XRenderPictFormat *src_format = XRenderFindVisualFormat (dpy, DefaultVisual (dpy, screen));
863	GC gc = NULL;	1243	Picture src = XRenderCreatePicture (dpy, root_pixmap, src_format, 0, &pa);
864		1244
865	if (tiled_root_pmap == None) /* something really bad happened - abort */	1245	recoded_root_pmap = XCreatePixmap (dpy, vt, root_pmap_width, root_pmap_height, depth);
		1246	XRenderPictFormat *dst_format = XRenderFindVisualFormat (dpy, visual);
		1247	Picture dst = XRenderCreatePicture (dpy, recoded_root_pmap, dst_format, 0, &pa);
		1248
		1249	if (src && dst)
		1250	XRenderComposite (dpy, PictOpSrc, src, None, dst, 0, 0, 0, 0, 0, 0, root_pmap_width, root_pmap_height);
		1251	else
		1252	{
		1253	XFreePixmap (dpy, recoded_root_pmap);
		1254	root_pixmap = None;
		1255	}
		1256
		1257	XRenderFreePicture (dpy, src);
		1258	XRenderFreePicture (dpy, dst);
		1259	}
		1260	else
		1261	#endif
		1262	root_pixmap = None;
		1263	}
		1264
		1265	if (root_pixmap == None)
866	return 0;	1266	return 0;
867		1267
		1268	if (bg_pixmap == None
		1269	|| bg_pmap_width != window_width
		1270	|| bg_pmap_height != window_height)
		1271	{
		1272	if (bg_pixmap)
		1273	XFreePixmap (dpy, bg_pixmap);
		1274	bg_pixmap = XCreatePixmap (dpy, vt, window_width, window_height, depth);
		1275	bg_pmap_width = window_width;
		1276	bg_pmap_height = window_height;
		1277	}
		1278
868	if (root_pixmap == None)	1279	if (bg_pixmap == None)
869	{ /* use tricks to obtain the root background image :*/	1280	return 0;
870	/* we want to create Overrideredirect window overlapping out window
871	with background type of Parent Relative and then grab it */
872	XSetWindowAttributes attr;
873	Window src;
874	bool success = false;
875		1281
876	attr.background_pixmap = ParentRelative;
877	attr.backing_store = Always;
878	attr.event_mask = ExposureMask;
879	attr.override_redirect = True;
880	src = XCreateWindow (dpy, root, sx, sy, window_width, window_height, 0,
881	CopyFromParent, CopyFromParent, CopyFromParent,
882	CWBackPixmap|CWBackingStore|CWOverrideRedirect|CWEventMask,
883	&attr);
884
885	if (src != None)
886	{
887	XEvent event;
888	int ev_count = 0;
889	XGrabServer (dpy);
890	XMapRaised (dpy, src);
891	XSync (dpy, False);
892
893	/* XSync should get window where it's properly exposed,
894	* but to be on the safe side - let's check for the actuall event to arrive : */
895	while (XCheckWindowEvent (dpy, src, ExposureMask, &event))
896	++ev_count;
897
898	if (ev_count > 0);
899	{ /* hooray! - we can grab the image! */
900	gc = XCreateGC (dpy, root, 0, NULL);
901	if (gc)
902	{
903	XCopyArea (dpy, src, tiled_root_pmap, gc, 0, 0, window_width, window_height, 0, 0);
904	success = true;
905	}
906	}
907	XDestroyWindow (dpy, src);
908	XUngrabServer (dpy);
909	//fprintf (stderr, "%s:%d: ev_count = %d\n", __FUNCTION__, __LINE__, ev_count);
910	}
911
912	if (!success)
913	{
914	XFreePixmap (dpy, tiled_root_pmap);
915	tiled_root_pmap = None;
916	}
917	else
918	result |= transpPmapTiled;
919	}
920	else
921	{/* strightforward pixmap copy */	1282	/* straightforward pixmap copy */
922	gcv.tile = root_pixmap;
923	gcv.fill_style = FillTiled;
924
925	while (sx < 0) sx += (int)root_width;	1283	while (sx < 0) sx += (int)root_width;
926	while (sy < 0) sy += (int)root_height;	1284	while (sy < 0) sy += (int)root_height;
927		1285
		1286	gcv.tile = recoded_root_pmap;
		1287	gcv.fill_style = FillTiled;
928	gcv.ts_x_origin = -sx;	1288	gcv.ts_x_origin = -sx;
929	gcv.ts_y_origin = -sy;	1289	gcv.ts_y_origin = -sy;
930	gc = XCreateGC (dpy, root, GCFillStyle | GCTile | GCTileStipXOrigin | GCTileStipYOrigin, &gcv);	1290	gc = XCreateGC (dpy, vt, GCFillStyle | GCTile | GCTileStipXOrigin | GCTileStipYOrigin, &gcv);
		1291
		1292	if (gc)
		1293	{
		1294	XFillRectangle (dpy, bg_pixmap, gc, 0, 0, window_width, window_height);
		1295	result |= isValid | (bg_flags & effectsFlags);
		1296	XFreeGC (dpy, gc);
		1297
		1298	if (!(bg_flags & CLIENT_RENDER))
		1299	{
		1300	if ((bg_flags & blurNeeded)
		1301	&& (bg_flags & HAS_RENDER_CONV))
		1302	{
		1303	if (blur_pixmap (bg_pixmap, visual, window_width, window_height))
		1304	result &= ~blurNeeded;
		1305	}
		1306	if ((bg_flags & tintNeeded)
		1307	&& (bg_flags & (tintWholesome | HAS_RENDER)))
		1308	{
		1309	if (tint_pixmap (bg_pixmap, visual, window_width, window_height))
		1310	result &= ~tintNeeded;
		1311	}
		1312	} /* server side rendering completed */
		1313	}
		1314
		1315	if (recoded_root_pmap != root_pixmap)
		1316	XFreePixmap (dpy, recoded_root_pmap);
		1317
		1318	return result;
		1319	}
		1320
		1321	void
		1322	rxvt_term::bg_set_root_pixmap ()
		1323	{
		1324	Pixmap new_root_pixmap = get_pixmap_property (xa[XA_XROOTPMAP_ID]);
		1325	if (new_root_pixmap == None)
		1326	new_root_pixmap = get_pixmap_property (xa[XA_ESETROOT_PMAP_ID]);
		1327
		1328	root_pixmap = new_root_pixmap;
		1329	}
		1330	# endif /* ENABLE_TRANSPARENCY */
		1331
		1332	#if defined(ENABLE_TRANSPARENCY) && !defined(HAVE_AFTERIMAGE)
		1333	static void shade_ximage (Visual *visual, XImage *ximage, int shade, const rgba &c);
		1334	# endif
		1335
		1336	bool
		1337	rxvt_term::bg_render ()
		1338	{
		1339	unsigned long tr_flags = 0;
		1340
		1341	bg_invalidate ();
		1342	# ifdef ENABLE_TRANSPARENCY
		1343	if (bg_flags & isTransparent)
		1344	{
		1345	/* we need to re-generate transparency pixmap in that case ! */
		1346	tr_flags = make_transparency_pixmap ();
		1347	if (tr_flags == 0)
		1348	return false;
		1349	else if (!(tr_flags & effectsFlags))
		1350	bg_flags |= isValid;
		1351	}
		1352	# endif
		1353
		1354	# ifdef BG_IMAGE_FROM_FILE
		1355	if (have_image
		1356	|| (tr_flags & effectsFlags))
		1357	{
		1358	if (render_image (tr_flags))
		1359	bg_flags |= isValid;
		1360	}
		1361	# endif
		1362
		1363	# if defined(ENABLE_TRANSPARENCY) && !defined(HAVE_AFTERIMAGE)
		1364	XImage *result = NULL;
		1365
		1366	if (tr_flags && !(bg_flags & isValid))
		1367	{
		1368	result = XGetImage (dpy, bg_pixmap, 0, 0, bg_pmap_width, bg_pmap_height, AllPlanes, ZPixmap);
		1369	}
		1370
		1371	if (result)
		1372	{
		1373	/* our own client-side tinting */
		1374	if (tr_flags & tintNeeded)
		1375	{
		1376	rgba c (rgba::MAX_CC,rgba::MAX_CC,rgba::MAX_CC);
		1377	if (bg_flags & tintSet)
		1378	tint.get (c);
		1379	shade_ximage (DefaultVisual (dpy, display->screen), result, shade, c);
		1380	}
		1381
		1382	GC gc = XCreateGC (dpy, vt, 0UL, NULL);
931		1383
932	if (gc)	1384	if (gc)
933	{	1385	{
934	XFillRectangle (dpy, tiled_root_pmap, gc, 0, 0, window_width, window_height);	1386	XPutImage (dpy, bg_pixmap, gc, result, 0, 0, 0, 0, result->width, result->height);
935	result |= transpPmapTiled;
936	}
937	}
938	TIMING_TEST_PRINT_RESULT (tp);
939		1387
940	if (tiled_root_pmap != None)	1388	XFreeGC (dpy, gc);
941	{	1389	bg_flags |= isValid;
942	if (!need_client_side_rendering ())
943	{	1390	}
944	if ((flags & tintNeeded))
945	{
946	if (flags & tintWholesome)
947	{
948	/* In this case we can tint image server-side getting significant
949	* performance improvements, as we eliminate XImage transfer
950	*/
951	gcv.foreground = Pixel (tint);
952	gcv.function = GXand;
953	gcv.fill_style = FillSolid;
954	if (gc)
955	XChangeGC (dpy, gc, GCFillStyle | GCForeground | GCFunction, &gcv);
956	else
957	gc = XCreateGC (dpy, root, GCFillStyle | GCForeground | GCFunction, &gcv);
958	if (gc)
959	{
960	XFillRectangle (dpy, tiled_root_pmap, gc, 0, 0, window_width, window_height);
961	result |= transpPmapTinted;
962	}
963	}
964	else
965	{
966	# if XFT
967	Picture back_pic = 0;
968	rgba c (rgba::MAX_CC,rgba::MAX_CC,rgba::MAX_CC);
969		1391
970	if (flags & tintSet)	1392	XDestroyImage (result);
971	tint.get (c);
972
973	if (shade > 0 && shade < 100)
974	{
975	c.r = (c.r * shade) / 100;
976	c.g = (c.g * shade) / 100;
977	c.b = (c.b * shade) / 100;
978	}
979	else if( shade > 100 && shade < 200)
980	{
981	c.r = (c.r * (200 - shade)) / 100;
982	c.g = (c.g * (200 - shade)) / 100;
983	c.b = (c.b * (200 - shade)) / 100;
984	}
985
986	XRenderPictFormat pf;
987	pf.type = PictTypeDirect;
988	pf.depth = 32;
989	pf.direct.redMask = 0xff;
990	pf.direct.greenMask = 0xff;
991	pf.direct.blueMask = 0xff;
992	pf.direct.alphaMask = 0xff;
993
994	XRenderPictFormat *solid_format = XRenderFindFormat (dpy,
995	(PictFormatType|
996	PictFormatDepth|
997	PictFormatRedMask|
998	PictFormatGreenMask|
999	PictFormatBlueMask|
1000	PictFormatAlphaMask),
1001	&pf,
1002	0);
1003	XRenderPictFormat *root_format = XRenderFindVisualFormat (dpy, DefaultVisualOfScreen (ScreenOfDisplay (dpy, target->display->screen)));
1004	XRenderPictureAttributes pa ;
1005
1006	back_pic = XRenderCreatePicture (dpy, tiled_root_pmap, root_format, 0, &pa);
1007
1008	pa.repeat = True;
1009
1010	Pixmap overlay_pmap = XCreatePixmap (dpy, root, 1, 1, 32);
1011	Picture overlay_pic = XRenderCreatePicture (dpy, overlay_pmap, solid_format, CPRepeat, &pa);
1012	XFreePixmap (dpy, overlay_pmap);
1013
1014	pa.component_alpha = True;
1015	Pixmap mask_pmap = XCreatePixmap (dpy, root, 1, 1, 32);
1016	Picture mask_pic = XRenderCreatePicture (dpy, mask_pmap, solid_format, CPRepeat|CPComponentAlpha, &pa);
1017	XFreePixmap (dpy, mask_pmap);
1018
1019	if (mask_pic && overlay_pic && back_pic)
1020	{
1021	XRenderColor mask_c;
1022
1023	memset (&mask_c, (shade > 100) ? 0xFF : 0x0, sizeof (mask_c));
1024	mask_c.alpha = 0xffff;
1025	XRenderFillRectangle (dpy, PictOpSrc, overlay_pic, &mask_c, 0, 0, 1, 1);
1026
1027	mask_c.alpha = 0;
1028	mask_c.red = 0xffff - c.r;
1029	mask_c.green = 0xffff - c.g;
1030	mask_c.blue = 0xffff - c.b;
1031	XRenderFillRectangle (dpy, PictOpSrc, mask_pic, &mask_c, 0, 0, 1, 1);
1032	XRenderComposite (dpy, PictOpOver, overlay_pic, mask_pic, back_pic, 0, 0, 0, 0, 0, 0, window_width, window_height);
1033	result |= transpPmapTinted;
1034	}
1035	XRenderFreePicture (dpy, mask_pic);
1036	XRenderFreePicture (dpy, overlay_pic);
1037	XRenderFreePicture (dpy, back_pic);
1038	# if DO_TIMING_TEST
1039	XSync (dpy, False);
1040	# endif
1041	# endif
1042	}
1043	}
1044	} /* server side rendering completed */
1045
1046	if (pixmap)
1047	XFreePixmap (dpy, pixmap);
1048
1049	pixmap = tiled_root_pmap;
1050	pmap_width = window_width;
1051	pmap_height = window_height;
1052	pmap_depth = root_depth;
1053	}
1054
1055	if (gc)
1056	XFreeGC (dpy, gc);
1057
1058	TIMING_TEST_PRINT_RESULT (tp);
1059
1060	return result;
1061	}
1062
1063	bool
1064	bgPixmap_t::set_root_pixmap ()
1065	{
1066	Pixmap new_root_pixmap = None;
1067
1068	new_root_pixmap = target->get_pixmap_property (XA_XROOTPMAP_ID);
1069	if (new_root_pixmap == None)
1070	new_root_pixmap = target->get_pixmap_property (XA_ESETROOT_PMAP_ID);
1071
1072	if (new_root_pixmap != root_pixmap)
1073	{	1393	}
1074	root_pixmap = new_root_pixmap;
1075	return true;
1076	}
1077	return false;
1078	}
1079	# endif /* ENABLE_TRANSPARENCY */
1080
1081	# ifndef HAVE_AFTERIMAGE
1082	static void ShadeXImage(rxvt_term *term, XImage* srcImage, int shade, int rm, int gm, int bm);
1083	# endif	1394	# endif
1084		1395
1085
1086	bool
1087	bgPixmap_t::render ()
1088	{
1089	unsigned long background_flags = 0;
1090
1091	if (target == NULL)
1092	return false;
1093
1094	TIMING_TEST_START (tp);
1095
1096	invalidate();
1097	# ifdef ENABLE_TRANSPARENCY
1098	if (flags & isTransparent)
1099	{
1100	/* we need to re-generate transparency pixmap in that case ! */
1101	background_flags = make_transparency_pixmap ();
1102	if (background_flags == 0)
1103	return false;
1104	else if ((background_flags & transpTransformations) == (flags & transpTransformations)
1105	&& pmap_depth == target->depth)
1106	flags = flags & ~isInvalid;
1107	}
1108	# endif
1109
1110	XImage *result = NULL;
1111	# ifdef HAVE_AFTERIMAGE
1112	if (original_asim
1113	|| (background_flags & transpTransformations) != (flags & transpTransformations))
1114	{
1115	ASImage *background = NULL;
1116	ARGB32 as_tint = TINT_LEAVE_SAME;
1117	if (background_flags)
1118	background = pixmap2ximage (target->asv, pixmap, 0, 0, pmap_width, pmap_height, AllPlanes, 100);
1119
1120	# ifdef ENABLE_TRANSPARENCY
1121	if (!(background_flags & transpPmapTinted) && (flags & tintNeeded))
1122	{
1123	ShadingInfo as_shade;
1124	as_shade.shading = (shade == 0) ? 100 : shade;
1125
1126	rgba c (rgba::MAX_CC,rgba::MAX_CC,rgba::MAX_CC);
1127	if (flags & tintSet)
1128	tint.get (c);
1129	as_shade.tintColor.red = c.r;
1130	as_shade.tintColor.green = c.g;
1131	as_shade.tintColor.blue = c.b;
1132
1133	as_tint = shading2tint32 (&as_shade);
1134	}
1135	if (!(background_flags & transpPmapBlured) && (flags & blurNeeded) && background != NULL)
1136	{
1137	ASImage* tmp = blur_asimage_gauss (target->asv, background, h_blurRadius, v_blurRadius, 0xFFFFFFFF,
1138	(original_asim == NULL || tint == TINT_LEAVE_SAME)?ASA_XImage:ASA_ASImage,
1139	100, ASIMAGE_QUALITY_DEFAULT);
1140	if (tmp)
1141	{
1142	destroy_asimage (&background);
1143	background = tmp;
1144	}
1145	}
1146	# endif
1147
1148	if (render_asim (background, as_tint))
1149	flags = flags & ~isInvalid;
1150	if (background)
1151	destroy_asimage (&background);
1152	}
1153	else if (background_flags && pmap_depth != target->depth)
1154	{
1155	result = XGetImage (target->dpy, pixmap, 0, 0, pmap_width, pmap_height, AllPlanes, ZPixmap);
1156	}
1157
1158	# elif !XFT /* our own client-side tinting */
1159
1160	/* ATTENTION: We ASSUME that XFT will let us do all the tinting neccessary server-side.
1161	This may need to be changed in need_client_side_rendering() logic is altered !!! */
1162
1163	if (background_flags && (flags & isInvalid))
1164	{
1165	result = XGetImage (target->dpy, pixmap, 0, 0, pmap_width, pmap_height, AllPlanes, ZPixmap);
1166	if (result != NULL && !(background_flags & transpPmapTinted) && (flags & tintNeeded))
1167	{
1168	rgba c (rgba::MAX_CC,rgba::MAX_CC,rgba::MAX_CC);
1169	if (flags & tintSet)
1170	tint.get (c);
1171	ShadeXImage (target, result, shade, c.r, c.g, c.b);
1172	}
1173	}
1174	# endif /* HAVE_AFTERIMAGE */
1175
1176	if (result != NULL)
1177	{
1178	GC gc = XCreateGC (target->dpy, target->vt, 0UL, NULL);
1179	if (gc)
1180	{
1181	if (/*pmap_depth != target->depth &&*/ pixmap != None)
1182	{
1183	XFreePixmap (target->dpy, pixmap);
1184	pixmap = None;
1185	}
1186	if (pixmap == None)
1187	{
1188	pixmap = XCreatePixmap (target->dpy, target->vt, result->width, result->height, target->depth);
1189	pmap_width = result->width;
1190	pmap_height = result->height;
1191	pmap_depth = target->depth;
1192	}
1193	if (pmap_depth != result->depth)
1194	{ /* Bad Match error will ensue ! stupid X !!!! */
1195	if( result->depth == 24 && pmap_depth == 32)
1196	result->depth = 32;
1197	else if( result->depth == 32 && pmap_depth == 24)
1198	result->depth = 24;
1199	else
1200	{
1201	/* TODO: implement image recoding */
1202	}
1203	}
1204	if (pmap_depth == result->depth)
1205	XPutImage (target->dpy, pixmap, gc, result, 0, 0, 0, 0, result->width, result->height);
1206	XFreeGC (target->dpy, gc);
1207	flags = flags & ~isInvalid;
1208	}
1209	XDestroyImage (result);
1210	}
1211
1212	if (flags & isInvalid)	1396	if (!(bg_flags & isValid))
1213	{	1397	{
1214	if (pixmap != None)	1398	if (bg_pixmap != None)
1215	{	1399	{
1216	XFreePixmap (target->dpy, pixmap);	1400	XFreePixmap (dpy, bg_pixmap);
1217	pixmap = None;	1401	bg_pixmap = None;
1218	}	1402	}
1219	}	1403	}
1220		1404
1221	apply ();	1405	scr_recolour (false);
		1406	bg_flags |= hasChanged;
1222		1407
1223	TIMING_TEST_PRINT_RESULT (tp);	1408	bg_valid_since = ev::now ();
1224		1409
1225	return true;	1410	return true;
1226	}	1411	}
1227		1412
1228	bool
1229	bgPixmap_t::set_target (rxvt_term *new_target)
1230	{
1231	if (new_target)
1232	if (target != new_target)
1233	{
1234	target = new_target;
1235	# ifdef ENABLE_TRANSPARENCY
1236	root_depth = DefaultDepthOfScreen (ScreenOfDisplay (target->dpy, target->display->screen));
1237	# endif
1238	return true;
1239	}
1240	return false;
1241	}
1242
1243	void	1413	void
1244	bgPixmap_t::apply()	1414	rxvt_term::bg_init ()
1245	{	1415	{
1246	if (target)
1247	{
1248	flags &= ~isVtOrigin;
1249	if (pixmap != None)
1250	{ /* set target's background to pixmap */
1251	# ifdef ENABLE_TRANSPARENCY	1416	#ifdef ENABLE_TRANSPARENCY
1252	if (flags & isTransparent)	1417	shade = 100;
1253	{
1254	XSetWindowBackgroundPixmap (target->dpy, target->parent[0], pixmap);
1255	XSetWindowBackgroundPixmap (target->dpy, target->vt, ParentRelative);
1256	# if HAVE_SCROLLBARS
1257	if (target->scrollBar.win)
1258	XSetWindowBackgroundPixmap (target->dpy, target->scrollBar.win, ParentRelative);
1259	# endif
1260	}
1261	else
1262	# endif	1418	#endif
1263	{	1419
1264	flags |= isVtOrigin;	1420	bg_flags &= ~(HAS_RENDER | HAS_RENDER_CONV);
1265	/* force old pixmap dereference in case it was transparent before :*/	1421	#if XRENDER
1266	XSetWindowBackground (target->dpy, target->parent[0], target->pix_colors[Color_border]);	1422	int major, minor;
1267	XSetWindowBackgroundPixmap (target->dpy, target->vt, pixmap);	1423	if (XRenderQueryVersion (dpy, &major, &minor))
1268	/* do we also need to set scrollbar's background here ? */	1424	bg_flags |= HAS_RENDER;
1269	# if HAVE_SCROLLBARS	1425	XFilters *filters = XRenderQueryFilters (dpy, vt);
1270	if (target->scrollBar.win)	1426	if (filters)
1271	XSetWindowBackground (target->dpy, target->scrollBar.win, target->pix_colors[Color_border]);	1427	{
		1428	for (int i = 0; i < filters->nfilter; i++)
		1429	if (!strcmp (filters->filter[i], FilterConvolution))
		1430	bg_flags |= HAS_RENDER_CONV;
		1431
		1432	XFree (filters);
		1433	}
1272	# endif	1434	#endif
1273	}
1274	}
1275	else
1276	{ /* set target background to a pixel */
1277	XSetWindowBackground (target->dpy, target->parent[0], target->pix_colors[Color_border]);
1278	XSetWindowBackground (target->dpy, target->vt, target->pix_colors[Color_bg]);
1279	/* do we also need to set scrollbar's background here ? */
1280	# if HAVE_SCROLLBARS
1281	if (target->scrollBar.win)
1282	XSetWindowBackground (target->dpy, target->scrollBar.win, target->pix_colors[Color_border]);
1283	# endif
1284	}
1285	/* don't want Expose on the parent or vt. It is better to use
1286	scr_touch or we get a great deal of flicker otherwise: */
1287	XClearWindow (target->dpy, target->parent[0]);
1288
1289	# if HAVE_SCROLLBARS
1290	if (target->scrollBar.win)
1291	{
1292	target->scrollBar.setIdle ();
1293	target->scrollbar_show (0);
1294	}
1295	# endif
1296
1297	target->want_refresh = 1;
1298	flags |= hasChanged;
1299	}
1300	}	1435	}
1301		1436
1302	#endif /* HAVE_BG_PIXMAP */	1437	#endif /* HAVE_BG_PIXMAP */
1303		1438
1304	#if defined(ENABLE_TRANSPARENCY) && !defined(HAVE_AFTERIMAGE) && !XFT	1439	#if defined(ENABLE_TRANSPARENCY) && !defined(HAVE_AFTERIMAGE)
1305	/* taken from aterm-0.4.2 */	1440	/* taken from aterm-0.4.2 */
1306		1441
1307	typedef uint32_t RUINT32T;
1308
1309	static void	1442	static void
1310	ShadeXImage(rxvt_term *term, XImage* srcImage, int shade, int rm, int gm, int bm)	1443	shade_ximage (Visual *visual, XImage *ximage, int shade, const rgba &c)
1311	{	1444	{
1312	int sh_r, sh_g, sh_b;	1445	int sh_r, sh_g, sh_b;
1313	RUINT32T mask_r, mask_g, mask_b;	1446	uint32_t mask_r, mask_g, mask_b;
1314	RUINT32T *lookup, *lookup_r, *lookup_g, *lookup_b;	1447	uint32_t *lookup, *lookup_r, *lookup_g, *lookup_b;
1315	unsigned int lower_lim_r, lower_lim_g, lower_lim_b;	1448	rgba low;
1316	unsigned int upper_lim_r, upper_lim_g, upper_lim_b;	1449	rgba high;
1317	int i;	1450	int i;
		1451	int host_byte_order = byteorder::big_endian () ? MSBFirst : LSBFirst;
1318		1452
1319	Visual *visual = term->visual;
1320
1321	if (visual->c_class != TrueColor || srcImage->format != ZPixmap) return ;	1453	if (visual->c_class != TrueColor || ximage->format != ZPixmap) return;
1322
1323	if (shade == 0)
1324	shade = 100;
1325		1454
1326	/* for convenience */	1455	/* for convenience */
1327	mask_r = visual->red_mask;	1456	mask_r = visual->red_mask;
1328	mask_g = visual->green_mask;	1457	mask_g = visual->green_mask;
1329	mask_b = visual->blue_mask;	1458	mask_b = visual->blue_mask;
1330		1459
1331	/* boring lookup table pre-initialization */	1460	/* boring lookup table pre-initialization */
1332	switch (srcImage->bits_per_pixel) {	1461	switch (ximage->depth)
		1462	{
1333	case 15:	1463	case 15:
1334	if ((mask_r != 0x7c00) ||	1464	if ((mask_r != 0x7c00) ||
1335	(mask_g != 0x03e0) ||	1465	(mask_g != 0x03e0) ||
1336	(mask_b != 0x001f))	1466	(mask_b != 0x001f))
1337	return;	1467	return;
1338	lookup = (RUINT32T *) malloc (sizeof (RUINT32T)*(32+32+32));	1468	lookup = (uint32_t *) malloc (sizeof (uint32_t)*(32+32+32));
1339	lookup_r = lookup;	1469	lookup_r = lookup;
1340	lookup_g = lookup+32;	1470	lookup_g = lookup+32;
1341	lookup_b = lookup+32+32;	1471	lookup_b = lookup+32+32;
1342	sh_r = 10;	1472	sh_r = 10;
1343	sh_g = 5;	1473	sh_g = 5;
1344	sh_b = 0;	1474	sh_b = 0;
1345	break;	1475	break;
1346	case 16:	1476	case 16:
1347	if ((mask_r != 0xf800) ||	1477	if ((mask_r != 0xf800) ||
1348	(mask_g != 0x07e0) ||	1478	(mask_g != 0x07e0) ||
1349	(mask_b != 0x001f))	1479	(mask_b != 0x001f))
1350	return;	1480	return;
1351	lookup = (RUINT32T *) malloc (sizeof (RUINT32T)*(32+64+32));	1481	lookup = (uint32_t *) malloc (sizeof (uint32_t)*(32+64+32));
1352	lookup_r = lookup;	1482	lookup_r = lookup;
1353	lookup_g = lookup+32;	1483	lookup_g = lookup+32;
1354	lookup_b = lookup+32+64;	1484	lookup_b = lookup+32+64;
1355	sh_r = 11;	1485	sh_r = 11;
1356	sh_g = 5;	1486	sh_g = 5;
1357	sh_b = 0;	1487	sh_b = 0;
1358	break;	1488	break;
1359	case 24:	1489	case 24:
1360	if ((mask_r != 0xff0000) ||	1490	if ((mask_r != 0xff0000) ||
1361	(mask_g != 0x00ff00) ||	1491	(mask_g != 0x00ff00) ||
1362	(mask_b != 0x0000ff))	1492	(mask_b != 0x0000ff))
1363	return;	1493	return;
1364	lookup = (RUINT32T *) malloc (sizeof (RUINT32T)*(256+256+256));	1494	lookup = (uint32_t *) malloc (sizeof (uint32_t)*(256+256+256));
1365	lookup_r = lookup;	1495	lookup_r = lookup;
1366	lookup_g = lookup+256;	1496	lookup_g = lookup+256;
1367	lookup_b = lookup+256+256;	1497	lookup_b = lookup+256+256;
1368	sh_r = 16;	1498	sh_r = 16;
1369	sh_g = 8;	1499	sh_g = 8;
1370	sh_b = 0;	1500	sh_b = 0;
1371	break;	1501	break;
1372	case 32:	1502	case 32:
1373	if ((mask_r != 0xff0000) ||	1503	if ((mask_r != 0xff0000) ||
1374	(mask_g != 0x00ff00) ||	1504	(mask_g != 0x00ff00) ||
1375	(mask_b != 0x0000ff))	1505	(mask_b != 0x0000ff))
1376	return;	1506	return;
1377	lookup = (RUINT32T *) malloc (sizeof (RUINT32T)*(256+256+256));	1507	lookup = (uint32_t *) malloc (sizeof (uint32_t)*(256+256+256));
1378	lookup_r = lookup;	1508	lookup_r = lookup;
1379	lookup_g = lookup+256;	1509	lookup_g = lookup+256;
1380	lookup_b = lookup+256+256;	1510	lookup_b = lookup+256+256;
1381	sh_r = 16;	1511	sh_r = 16;
1382	sh_g = 8;	1512	sh_g = 8;
1383	sh_b = 0;	1513	sh_b = 0;
1384	break;	1514	break;
1385	default:	1515	default:
1386	return; /* we do not support this color depth */	1516	return; /* we do not support this color depth */
1387	}	1517	}
1388		1518
1389	/* prepare limits for color transformation (each channel is handled separately) */	1519	/* prepare limits for color transformation (each channel is handled separately) */
1390	if (shade < 0) {	1520	if (shade > 100)
		1521	{
1391	shade = -shade;	1522	shade = 200 - shade;
1392	if (shade < 0) shade = 0;
1393	if (shade > 100) shade = 100;
1394		1523
1395	lower_lim_r = 65535-rm;	1524	high.r = c.r * shade / 100;
1396	lower_lim_g = 65535-gm;	1525	high.g = c.g * shade / 100;
1397	lower_lim_b = 65535-bm;	1526	high.b = c.b * shade / 100;
1398		1527
1399	lower_lim_r = 65535-(unsigned int)(((RUINT32T)lower_lim_r)*((RUINT32T)shade)/100);	1528	low.r = 65535 * (100 - shade) / 100;
1400	lower_lim_g = 65535-(unsigned int)(((RUINT32T)lower_lim_g)*((RUINT32T)shade)/100);	1529	low.g = 65535 * (100 - shade) / 100;
1401	lower_lim_b = 65535-(unsigned int)(((RUINT32T)lower_lim_b)*((RUINT32T)shade)/100);	1530	low.b = 65535 * (100 - shade) / 100;
1402
1403	upper_lim_r = upper_lim_g = upper_lim_b = 65535;
1404	} else {
1405	if (shade < 0) shade = 0;
1406	if (shade > 100) shade = 100;
1407
1408	lower_lim_r = lower_lim_g = lower_lim_b = 0;
1409
1410	upper_lim_r = (unsigned int)((((RUINT32T)rm)*((RUINT32T)shade))/100);
1411	upper_lim_g = (unsigned int)((((RUINT32T)gm)*((RUINT32T)shade))/100);
1412	upper_lim_b = (unsigned int)((((RUINT32T)bm)*((RUINT32T)shade))/100);
1413	}	1531	}
1414		1532	else
1415	/* switch red and blue bytes if necessary, we need it for some weird XServers like XFree86 3.3.3.1 */
1416	if ((srcImage->bits_per_pixel == 24) && (mask_r >= 0xFF0000 ))
1417	{	1533	{
1418	unsigned int tmp;	1534	high.r = c.r * shade / 100;
		1535	high.g = c.g * shade / 100;
		1536	high.b = c.b * shade / 100;
1419		1537
1420	tmp = lower_lim_r;	1538	low.r = low.g = low.b = 0;
1421	lower_lim_r = lower_lim_b;
1422	lower_lim_b = tmp;
1423
1424	tmp = upper_lim_r;
1425	upper_lim_r = upper_lim_b;
1426	upper_lim_b = tmp;
1427	}	1539	}
1428		1540
1429	/* fill our lookup tables */	1541	/* fill our lookup tables */
1430	for (i = 0; i <= mask_r>>sh_r; i++)	1542	for (i = 0; i <= mask_r>>sh_r; i++)
1431	{	1543	{
1432	RUINT32T tmp;	1544	uint32_t tmp;
1433	tmp = ((RUINT32T)i)*((RUINT32T)(upper_lim_r-lower_lim_r));	1545	tmp = i * high.r;
1434	tmp += ((RUINT32T)(mask_r>>sh_r))*((RUINT32T)lower_lim_r);	1546	tmp += (mask_r>>sh_r) * low.r;
1435	lookup_r[i] = (tmp/65535)<<sh_r;	1547	lookup_r[i] = (tmp/65535)<<sh_r;
1436	}	1548	}
1437	for (i = 0; i <= mask_g>>sh_g; i++)	1549	for (i = 0; i <= mask_g>>sh_g; i++)
1438	{	1550	{
1439	RUINT32T tmp;	1551	uint32_t tmp;
1440	tmp = ((RUINT32T)i)*((RUINT32T)(upper_lim_g-lower_lim_g));	1552	tmp = i * high.g;
1441	tmp += ((RUINT32T)(mask_g>>sh_g))*((RUINT32T)lower_lim_g);	1553	tmp += (mask_g>>sh_g) * low.g;
1442	lookup_g[i] = (tmp/65535)<<sh_g;	1554	lookup_g[i] = (tmp/65535)<<sh_g;
1443	}	1555	}
1444	for (i = 0; i <= mask_b>>sh_b; i++)	1556	for (i = 0; i <= mask_b>>sh_b; i++)
1445	{	1557	{
1446	RUINT32T tmp;	1558	uint32_t tmp;
1447	tmp = ((RUINT32T)i)*((RUINT32T)(upper_lim_b-lower_lim_b));	1559	tmp = i * high.b;
1448	tmp += ((RUINT32T)(mask_b>>sh_b))*((RUINT32T)lower_lim_b);	1560	tmp += (mask_b>>sh_b) * low.b;
1449	lookup_b[i] = (tmp/65535)<<sh_b;	1561	lookup_b[i] = (tmp/65535)<<sh_b;
1450	}	1562	}
1451		1563
1452	/* apply table to input image (replacing colors by newly calculated ones) */	1564	/* apply table to input image (replacing colors by newly calculated ones) */
1453	switch (srcImage->bits_per_pixel)	1565	if (ximage->bits_per_pixel == 32
		1566	&& (ximage->depth == 24 || ximage->depth == 32)
		1567	&& ximage->byte_order == host_byte_order)
1454	{	1568	{
1455	case 15:
1456	{
1457	unsigned short *p1, *pf, *p, *pl;	1569	uint32_t *p1, *pf, *p, *pl;
1458	p1 = (unsigned short *) srcImage->data;	1570	p1 = (uint32_t *) ximage->data;
1459	pf = (unsigned short *) (srcImage->data + srcImage->height * srcImage->bytes_per_line);	1571	pf = (uint32_t *) (ximage->data + ximage->height * ximage->bytes_per_line);
		1572
1460	while (p1 < pf)	1573	while (p1 < pf)
1461	{	1574	{
1462	p = p1;	1575	p = p1;
1463	pl = p1 + srcImage->width;	1576	pl = p1 + ximage->width;
1464	for (; p < pl; p++)	1577	for (; p < pl; p++)
1465	{	1578	{
1466	*p = lookup_r[(*p & 0x7c00)>>10] |
1467	lookup_g[(*p & 0x03e0)>> 5] |
1468	lookup_b[(*p & 0x001f)];
1469	}
1470	p1 = (unsigned short *) ((char *) p1 + srcImage->bytes_per_line);
1471	}
1472	break;
1473	}
1474	case 16:
1475	{
1476	unsigned short *p1, *pf, *p, *pl;
1477	p1 = (unsigned short *) srcImage->data;
1478	pf = (unsigned short *) (srcImage->data + srcImage->height * srcImage->bytes_per_line);
1479	while (p1 < pf)
1480	{
1481	p = p1;
1482	pl = p1 + srcImage->width;
1483	for (; p < pl; p++)
1484	{
1485	*p = lookup_r[(*p & 0xf800)>>11] |
1486	lookup_g[(*p & 0x07e0)>> 5] |
1487	lookup_b[(*p & 0x001f)];
1488	}
1489	p1 = (unsigned short *) ((char *) p1 + srcImage->bytes_per_line);
1490	}
1491	break;
1492	}
1493	case 24:
1494	{
1495	unsigned char *p1, *pf, *p, *pl;
1496	p1 = (unsigned char *) srcImage->data;
1497	pf = (unsigned char *) (srcImage->data + srcImage->height * srcImage->bytes_per_line);
1498	while (p1 < pf)
1499	{
1500	p = p1;
1501	pl = p1 + srcImage->width * 3;
1502	for (; p < pl; p += 3)
1503	{
1504	p[0] = lookup_r[(p[0] & 0xff0000)>>16];
1505	p[1] = lookup_r[(p[1] & 0x00ff00)>> 8];
1506	p[2] = lookup_r[(p[2] & 0x0000ff)];
1507	}
1508	p1 = (unsigned char *) ((char *) p1 + srcImage->bytes_per_line);
1509	}
1510	break;
1511	}
1512	case 32:
1513	{
1514	RUINT32T *p1, *pf, *p, *pl;
1515	p1 = (RUINT32T *) srcImage->data;
1516	pf = (RUINT32T *) (srcImage->data + srcImage->height * srcImage->bytes_per_line);
1517
1518	while (p1 < pf)
1519	{
1520	p = p1;
1521	pl = p1 + srcImage->width;
1522	for (; p < pl; p++)
1523	{
1524	*p = lookup_r[(*p & 0xff0000)>>16] |	1579	*p = lookup_r[(*p & 0xff0000) >> 16] |
1525	lookup_g[(*p & 0x00ff00)>> 8] |	1580	lookup_g[(*p & 0x00ff00) >> 8] |
1526	lookup_b[(*p & 0x0000ff)] |	1581	lookup_b[(*p & 0x0000ff)] |
1527	(*p & ~0xffffff);	1582	(*p & 0xff000000);
		1583	}
		1584	p1 = (uint32_t *) ((char *) p1 + ximage->bytes_per_line);
		1585	}
		1586	}
		1587	else
		1588	{
		1589	for (int y = 0; y < ximage->height; y++)
		1590	for (int x = 0; x < ximage->width; x++)
		1591	{
		1592	unsigned long pixel = XGetPixel (ximage, x, y);
		1593	pixel = lookup_r[(pixel & mask_r) >> sh_r] |
		1594	lookup_g[(pixel & mask_g) >> sh_g] |
		1595	lookup_b[(pixel & mask_b) >> sh_b];
		1596	XPutPixel (ximage, x, y, pixel);
1528	}	1597	}
1529	p1 = (RUINT32T *) ((char *) p1 + srcImage->bytes_per_line);
1530	}	1598	}
1531	break;
1532	}
1533	}
1534		1599
1535	free (lookup);	1600	free (lookup);
1536	}	1601	}
1537	#endif /* defined(ENABLE_TRANSPARENCY) && !defined(HAVE_AFTERIMAGE) */	1602	#endif /* defined(ENABLE_TRANSPARENCY) && !defined(HAVE_AFTERIMAGE) */

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