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Comparing rxvt-unicode/src/background.C (file contents):
Revision 1.6 by sasha, Thu Sep 20 22:15:02 2007 UTC vs.
Revision 1.158 by sf-exg, Wed Aug 10 07:28:36 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 <schmorp@schmorp.de>
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 ?
86	* vscale Tile horizontally, scale vertically ?
87	* scale Scale both up and down	57	* scale Scale both up and down
88	* auto Same as 100x100+50+50
89	*/	58	*/
90		59
91	#ifdef HAVE_BG_PIXMAP	60	#ifdef HAVE_BG_PIXMAP
92	bgPixmap_t::bgPixmap_t()	61	void
		62	rxvt_term::bg_destroy ()
93	{	63	{
94	#ifdef HAVE_AFTERIMAGE	64	#ifdef HAVE_AFTERIMAGE
95	original_asim = NULL;	65	if (original_asim)
		66	safe_asimage_destroy (original_asim);
		67	if (asv)
		68	destroy_asvisual (asv, 0);
		69	if (asimman)
		70	destroy_image_manager (asimman, 0);
96	#endif	71	#endif
97	#ifdef BG_IMAGE_FROM_FILE	72
98	h_scale = v_scale = 0;	73	#ifdef HAVE_PIXBUF
99	h_align = v_align = 0;	74	if (pixbuf)
		75	g_object_unref (pixbuf);
100	#endif	76	#endif
101	flags = 0;
102	pixmap = None;
103	}
104		77
		78	if (bg_pixmap)
		79	XFreePixmap (dpy, bg_pixmap);
		80	}
105		81
106	bool	82	bool
107	bgPixmap_t::window_size_sensitive ()	83	rxvt_term::bg_set_position (int x, int y)
108	{	84	{
109	# ifdef BG_IMAGE_FROM_FILE	85
110	# ifdef HAVE_AFTERIMAGE	86	if (target_x != x
111	if (original_asim != NULL)	87	|| target_y != y)
112	# endif
113	{	88	{
114	if (h_scale != 0 || v_scale != 0	89	target_x = x;
115	|| h_align != 0 || v_align != 0)	90	target_y = y;
116	return true;	91	return true;
117	}	92	}
118	# endif	93	return false;
		94	}
		95
		96	bool
		97	rxvt_term::bg_window_size_sensitive ()
		98	{
119	# ifdef ENABLE_TRANSPARENCY	99	# ifdef ENABLE_TRANSPARENCY
120	if (flags & isTransparent)	100	if (bg_flags & BG_IS_TRANSPARENT)
121	return true;	101	return true;
122	# endif	102	# endif
		103
		104	# ifdef BG_IMAGE_FROM_FILE
		105	if (bg_flags & BG_IS_FROM_FILE)
		106	{
		107	if (bg_flags & BG_IS_SIZE_SENSITIVE)
		108	return true;
		109	}
		110	# endif
		111
123	return false;	112	return false;
124	}	113	}
125		114
126	bool bgPixmap_t::need_client_side_rendering ()	115	bool
		116	rxvt_term::bg_window_position_sensitive ()
127	{	117	{
128	# ifdef HAVE_AFTERIMAGE	118	# ifdef ENABLE_TRANSPARENCY
129	if (original_asim != NULL)	119	if (bg_flags & BG_IS_TRANSPARENT)
130	return true;	120	return true;
131	# endif	121	# endif
132	# ifdef ENABLE_TRANSPARENCY	122
133	if (flags & isTransparent)	123	# ifdef BG_IMAGE_FROM_FILE
		124	if (bg_flags & BG_IS_FROM_FILE)
134	{	125	{
135	if (((flags & blurNeeded) && !(flags & blurServerSide))	126	if (bg_flags & BG_ROOT_ALIGN)
136	|| ((flags & tintNeeded) && !(flags & tintServerSide)))
137	return true;	127	return true;
138	}	128	}
139	# endif	129	# endif
		130
140	return false;	131	return false;
141	}	132	}
142		133
143	# ifdef BG_IMAGE_FROM_FILE	134	# ifdef BG_IMAGE_FROM_FILE
144	static inline bool	135	static inline bool
…		…
177		168
178	static inline int	169	static inline int
179	make_align_position (int align, int window_size, int image_size)	170	make_align_position (int align, int window_size, int image_size)
180	{	171	{
181	int diff = window_size - image_size;	172	int diff = window_size - image_size;
182	int smaller = MIN (image_size,window_size);	173	int smaller = min (image_size, window_size);
183		174
184	if (align >= 0 && align <= 50)	175	if (align >= 0 && align <= 100)
185	return diff * align / 100;	176	return diff * align / 100;
186	else if (align > 50 && align <= 100)
187	return window_size - image_size - diff * (100 - align) / 100;
188	else if (align > 100 && align <= 200 )	177	else if (align > 100 && align <= 200)
189	return ((align - 100) * smaller / 100) + window_size - smaller;	178	return ((align - 100) * smaller / 100) + window_size - smaller;
190	else if (align > -100 && align < 0)	179	else if (align >= -100 && align < 0)
191	return ((align + 100) * smaller / 100) - image_size;	180	return ((align + 100) * smaller / 100) - image_size;
192	return 0;	181	return 0;
193	}	182	}
194		183
195	static inline int	184	static inline int
196	make_clip_rectangle (int pos, int size, int target_size, int &dst_pos, int &dst_size)	185	make_clip_rectangle (int pos, int size, int target_size, int &dst_pos, int &dst_size)
197	{	186	{
198	int src_pos = 0;	187	int src_pos = 0;
199	dst_pos = 0;	188	dst_pos = pos;
200	dst_size = size;	189	dst_size = size;
201	if (pos < 0 && size > target_size)	190	if (pos < 0)
202	{	191	{
203	src_pos = -pos;	192	src_pos = -pos;
		193	dst_pos = 0;
204	dst_size += pos;	194	dst_size += pos;
205	}	195	}
206	else if (pos > 0)
207	dst_pos = pos;
208		196
209	if (dst_pos + dst_size > target_size)	197	if (dst_pos + dst_size > target_size)
210	dst_size = target_size - dst_pos;	198	dst_size = target_size - dst_pos;
211	return src_pos;	199	return src_pos;
212	}	200	}
213		201
214	bool	202	bool
215	bgPixmap_t::set_geometry (const char *geom)	203	rxvt_term::bg_set_geometry (const char *geom, bool update)
216	{	204	{
		205	bool changed = false;
217	int geom_flags = 0, changed = 0;	206	int geom_flags = 0;
218	int x = 0, y = 0;	207	int x = 0, y = 0;
219	unsigned int w = 0, h = 0;	208	unsigned int w = 0, h = 0;
220	unsigned int n;	209	unsigned int n;
221	unsigned long new_flags = (flags & (~geometryFlags));	210	unsigned long new_flags = (bg_flags & (~BG_GEOMETRY_FLAGS));
222	char *p;	211	const char *ops;
223	# define MAXLEN_GEOM 256 /* could be longer then regular geometry string */
224		212
225	if (geom == NULL)	213	if (geom == NULL)
226	return false;	214	return false;
227		215
228	char str[MAXLEN_GEOM];	216	char str[256];
229		217
230	while (isspace(*geom)) ++geom;
231	if ((p = strchr (geom, ';')) == NULL)
232	p = strchr (geom, '\0');	218	ops = strchr (geom, ':');
233		219	if (ops == NULL)
		220	n = strlen (geom);
		221	else
234	n = (p - geom);	222	n = ops - geom;
235	if (n < MAXLEN_GEOM)
236	{
237	char *ops;
238	new_flags |= geometrySet;
239		223
		224	if (n >= sizeof (str))
		225	return false;
		226
240	strncpy (str, geom, n);	227	memcpy (str, geom, n);
241	str[n] = '\0';	228	str[n] = '\0';
242	if (str[0] == ':')	229	rxvt_strtrim (str);
243	ops = &str[0];	230
244	else if (str[0] != 'x' && str[0] != 'X' && isalpha(str[0]))	231	if (str[0])
245	ops = &str[0];	232	{
246	else	233	/* we have geometry string - let's handle it prior to applying ops */
		234	geom_flags = XParseGeometry (str, &x, &y, &w, &h);
		235	} /* done parsing geometry string */
		236
		237	if (!update)
		238	{
		239	if (!(geom_flags & XValue))
		240	x = y = defaultAlign;
		241	else if (!(geom_flags & YValue))
		242	y = x;
		243
		244	if (!(geom_flags & (WidthValue|HeightValue)))
		245	w = h = defaultScale;
		246	else if (!(geom_flags & HeightValue))
		247	h = w;
		248	else if (!(geom_flags & WidthValue))
		249	w = h;
		250
		251	geom_flags |= WidthValue|HeightValue|XValue|YValue;
		252	}
		253
		254	if (ops)
		255	{
		256	char **arr = rxvt_strsplit (':', ops + 1);
		257
		258	for (int i = 0; arr[i]; i++)
247	{	259	{
248	char *tmp;	260	if (!strcasecmp (arr[i], "tile"))
249	ops = strchr (str, ':');
250	if (ops != NULL)
251	{	261	{
252	for (tmp = ops-1; tmp >= str && isspace(*tmp); --tmp);	262	new_flags |= BG_TILE;
253	*(++tmp) = '\0';	263	w = h = noScale;
254	if (ops == tmp) ++ops;	264	geom_flags |= WidthValue|HeightValue;
255	}	265	}
256	}	266	else if (!strcasecmp (arr[i], "propscale"))
257
258	if (ops > str || ops == NULL)
259	{
260	/* we have geometry string - let's handle it prior to applying ops */
261	geom_flags = XParseGeometry (str, &x, &y, &w, &h);
262
263	if ((geom_flags & XValue) && !(geom_flags & YValue))
264	{	267	{
265	y = x;	268	new_flags |= BG_PROP_SCALE;
266	geom_flags |= YValue;
267	}	269	}
268		270	else if (!strcasecmp (arr[i], "scale"))
269	if (flags & geometrySet)
270	{/* new geometry is an adjustment to the old one ! */
271	if ((geom_flags & WidthValue) && (geom_flags & HeightValue))
272	{	271	{
273	if (w == 0 && h != 0)	272	if (h == 0) h = windowScale;
274	{	273	if (w == 0) w = windowScale;
275	w = h_scale;	274
276	h = (v_scale * h) / 100;	275	geom_flags |= WidthValue|HeightValue;
277	}
278	else if (h == 0 && w != 0)
279	{
280	w = (h_scale * w) / 100;
281	h = v_scale;
282	}
283	}
284	if (geom_flags & XValue)
285	{
286	if (str[0] != '=')
287	{
288	y += v_align;
289	x += h_align;
290	}
291	}
292	}	276	}
293	else /* setting up geometry from scratch */	277	else if (!strcasecmp (arr[i], "root"))
294	{	278	{
295	if (!(geom_flags & XValue))	279	new_flags |= BG_TILE|BG_ROOT_ALIGN;
296	{/* use default geometry - centered */	280	w = h = noScale;
297	x = y = defaultAlign;
298	}
299	else if (!(geom_flags & YValue))
300	y = x;
301
302	if ((geom_flags & (WidthValue|HeightValue)) == 0)	281	geom_flags |= WidthValue|HeightValue;
303	{/* use default geometry - scaled */
304	w = h = defaultScale;
305	}
306	else if (geom_flags & WidthValue)
307	{
308	if (!(geom_flags & HeightValue))
309	h = w;
310	}
311	else
312	w = h;
313	}	282	}
314	} /* done parsing geometry string */
315	else if (!(flags & geometrySet))
316	{ /* default geometry - scaled and centered */
317	x = y = defaultAlign;
318	w = h = defaultScale;
319	}
320
321	if (!(flags & geometrySet))
322	geom_flags |= WidthValue|HeightValue|XValue|YValue;
323
324	if (ops)
325	{
326	while (*ops)
327	{
328	while (*ops == ':' || isspace(*ops)) ++ops;
329	# define CHECK_GEOM_OPS(op_str) (strncasecmp (ops, (op_str), sizeof(op_str)-1) == 0)
330	if (CHECK_GEOM_OPS("tile"))
331	{
332	w = h = 0;
333	geom_flags |= WidthValue|HeightValue;
334	}
335	else if (CHECK_GEOM_OPS("propscale"))
336	{
337	if (w == 0 && h == 0)
338	{
339	w = 100;
340	geom_flags |= WidthValue;
341	}
342	new_flags |= propScale;
343	}
344	else if (CHECK_GEOM_OPS("hscale"))
345	{
346	if (w == 0)
347	w = 100;
348	h = 0;
349	geom_flags |= WidthValue|HeightValue;
350	}
351	else if (CHECK_GEOM_OPS("vscale"))
352	{
353	if (h == 0)
354	h = 100;
355	w = 0;
356	geom_flags |= WidthValue|HeightValue;
357	}
358	else if (CHECK_GEOM_OPS("scale"))
359	{
360	if (h == 0)
361	h = 100;
362	if (w == 0)
363	w = 100;
364	geom_flags |= WidthValue|HeightValue;
365	}
366	else if (CHECK_GEOM_OPS("auto"))
367	{
368	w = h = 100;
369	x = y = 50;
370	geom_flags |= WidthValue|HeightValue|XValue|YValue;
371	}
372	# undef CHECK_GEOM_OPS
373	while (*ops != ':' && *ops != '\0') ++ops;
374	} /* done parsing ops */	283	} /* done parsing ops */
375	}
376		284
		285	rxvt_free_strsplit (arr);
		286	}
		287
377	if (check_set_scale_value (geom_flags, WidthValue, h_scale, w))	288	if (check_set_scale_value (geom_flags, WidthValue, h_scale, w)) changed = true;
378	++changed;
379	if (check_set_scale_value (geom_flags, HeightValue, v_scale, h))	289	if (check_set_scale_value (geom_flags, HeightValue, v_scale, h)) changed = true;
380	++changed;
381	if (check_set_align_value (geom_flags, XValue, h_align, x))	290	if (check_set_align_value (geom_flags, XValue, h_align, x)) changed = true;
382	++changed;
383	if (check_set_align_value (geom_flags, YValue, v_align, y))	291	if (check_set_align_value (geom_flags, YValue, v_align, y)) changed = true;
384	++changed;
385	}
386		292
387	if (new_flags != flags)	293	if (new_flags != bg_flags)
388	{	294	{
389	flags = new_flags;	295	bg_flags = new_flags;
390	changed++;	296	changed = true;
391	}	297	}
392	//fprintf( stderr, "flags = %lX, scale = %ux%u, align=%+d%+d\n",	298
393	// flags, h_scale, v_scale, h_align, v_align);
394	return (changed > 0);	299	return changed;
		300	}
		301
		302	void
		303	rxvt_term::get_image_geometry (int image_width, int image_height, int &w, int &h, int &x, int &y)
		304	{
		305	int target_width = szHint.width;
		306	int target_height = szHint.height;
		307
		308	if (bg_flags & BG_PROP_SCALE)
		309	{
		310	float scale = (float)target_width / image_width;
		311	min_it (scale, (float)target_height / image_height);
		312	w = image_width * scale + 0.5;
		313	h = image_height * scale + 0.5;
		314	}
		315	else
		316	{
		317	w = h_scale * target_width / 100;
		318	h = v_scale * target_height / 100;
		319	}
		320
		321	if (!w) w = image_width;
		322	if (!h) h = image_height;
		323
		324	if (bg_flags & BG_ROOT_ALIGN)
		325	{
		326	x = -target_x;
		327	y = -target_y;
		328	}
		329	else
		330	{
		331	x = make_align_position (h_align, target_width, w);
		332	y = make_align_position (v_align, target_height, h);
		333	}
		334
		335	bg_flags &= ~BG_IS_SIZE_SENSITIVE;
		336	if (!(bg_flags & BG_TILE)
		337	|| (bg_flags & BG_PROP_SCALE) || h_scale || v_scale
		338	|| (!(bg_flags & BG_ROOT_ALIGN) && (h_align || v_align))
		339	|| w > target_width || h > target_height)
		340	bg_flags |= BG_IS_SIZE_SENSITIVE;
395	}	341	}
396		342
397	# ifdef HAVE_AFTERIMAGE	343	# ifdef HAVE_AFTERIMAGE
398	bool	344	bool
399	bgPixmap_t::render_asim (ASImage *background, ARGB32 background_tint)	345	rxvt_term::render_image (unsigned long tr_flags)
400	{	346	{
401	if (target == NULL)	347	init_asv ();
402	return false;
403		348
404	int target_width = (int)target->szHint.width;	349	ASImage *background = NULL;
405	int target_height = (int)target->szHint.height;	350	ARGB32 background_tint = TINT_LEAVE_SAME;
406	int new_pmap_width = target_width, new_pmap_height = target_height;	351
		352	# ifdef ENABLE_TRANSPARENCY
		353	if (tr_flags)
		354	background = pixmap2ximage (asv, bg_pixmap, 0, 0, bg_pmap_width, bg_pmap_height, AllPlanes, 100);
		355
		356	if (tr_flags & BG_NEEDS_TINT)
		357	{
		358	ShadingInfo as_shade;
		359	as_shade.shading = shade;
		360
		361	rgba c (rgba::MAX_CC,rgba::MAX_CC,rgba::MAX_CC);
		362	if (bg_flags & BG_TINT_SET)
		363	tint.get (c);
		364	as_shade.tintColor.red = c.r;
		365	as_shade.tintColor.green = c.g;
		366	as_shade.tintColor.blue = c.b;
		367
		368	background_tint = shading2tint32 (&as_shade);
		369	}
		370
		371	if ((tr_flags & BG_NEEDS_BLUR) && background != NULL)
		372	{
		373	ASImage *tmp = blur_asimage_gauss (asv, background, h_blurRadius, v_blurRadius, 0xFFFFFFFF,
		374	(original_asim == NULL || tint == TINT_LEAVE_SAME) ? ASA_XImage : ASA_ASImage,
		375	100, ASIMAGE_QUALITY_DEFAULT);
		376	if (tmp)
		377	{
		378	destroy_asimage (&background);
		379	background = tmp;
		380	}
		381	}
		382	# endif
		383
407	ASImage *result = NULL;	384	ASImage *result = 0;
		385
		386	int target_width = szHint.width;
		387	int target_height = szHint.height;
		388	int new_pmap_width = target_width;
		389	int new_pmap_height = target_height;
408		390
409	int x = 0;	391	int x = 0;
410	int y = 0;	392	int y = 0;
411	int w = h_scale * target_width / 100;	393	int w = 0;
412	int h = v_scale * target_height / 100;	394	int h = 0;
413
414	TIMING_TEST_START (asim);
415		395
416	if (original_asim)	396	if (original_asim)
417	{	397	get_image_geometry (original_asim->width, original_asim->height, w, h, x, y);
418	x = make_align_position (h_align, target_width, w > 0 ? w : (int)original_asim->width);
419	y = make_align_position (v_align, target_height, h > 0 ? h : (int)original_asim->height);
420	}
421		398
422	if (original_asim == NULL	399	if (!original_asim
		400	|| (!(bg_flags & BG_ROOT_ALIGN)
423	|| x >= target_width	401	&& (x >= target_width
424	|| y >= target_height	402	|| y >= target_height
425	|| (w > 0 && x + w <= 0)	403	|| (x + w <= 0)
426	|| (h > 0 && y + h <= 0))	404	|| (y + h <= 0))))
427	{	405	{
428	if (background)	406	if (background)
429	{	407	{
430	new_pmap_width = background->width;	408	new_pmap_width = background->width;
431	new_pmap_height = background->height;	409	new_pmap_height = background->height;
432	result = background;	410	result = background;
		411
433	if (background_tint != TINT_LEAVE_SAME)	412	if (background_tint != TINT_LEAVE_SAME)
434	{	413	{
435	ASImage* tmp = tile_asimage (target->asv, background, 0, 0,	414	ASImage *tmp = tile_asimage (asv, background, 0, 0,
436	target_width, target_height, background_tint,	415	target_width, target_height, background_tint,
437	ASA_XImage, 100, ASIMAGE_QUALITY_DEFAULT);	416	ASA_XImage, 100, ASIMAGE_QUALITY_DEFAULT);
438	if (tmp)	417	if (tmp)
439	result = tmp;	418	result = tmp;
440	}	419	}
…		…
443	new_pmap_width = new_pmap_height = 0;	422	new_pmap_width = new_pmap_height = 0;
444	}	423	}
445	else	424	else
446	{	425	{
447	result = original_asim;	426	result = original_asim;
		427
448	if ((w > 0 && w != original_asim->width)	428	if ((w != original_asim->width)
449	|| (h > 0 && h != original_asim->height))	429	|| (h != original_asim->height))
450	{	430	{
451	result = scale_asimage (target->asv, original_asim,	431	result = scale_asimage (asv, original_asim,
452	w > 0 ? w : original_asim->width,	432	w, h,
453	h > 0 ? h : original_asim->height,
454	background ? ASA_ASImage : ASA_XImage,	433	background ? ASA_ASImage : ASA_XImage,
455	100, ASIMAGE_QUALITY_DEFAULT);	434	100, ASIMAGE_QUALITY_DEFAULT);
456	}	435	}
		436
457	if (background == NULL)	437	if (background == NULL)
458	{/* if tiling - pixmap has to be sized exactly as the image */	438	{
459	if (h_scale == 0)	439	if (bg_flags & BG_TILE)
460	new_pmap_width = result->width;
461	if (v_scale == 0)
462	new_pmap_height = result->height;
463	/* we also need to tile our image in one or both directions */
464	if (h_scale == 0 || v_scale == 0)
465	{	440	{
		441	/* if tiling - pixmap has to be sized exactly as the image,
		442	but there is no need to make it bigger than the window! */
		443	new_pmap_width = min (result->width, target_width);
		444	new_pmap_height = min (result->height, target_height);
		445
		446	/* we also need to tile our image in both directions */
466	ASImage *tmp = tile_asimage (target->asv, result,	447	ASImage *tmp = tile_asimage (asv, result,
467	(h_scale > 0) ? 0 : (int)result->width - x,	448	(int)result->width - x,
468	(v_scale > 0) ? 0 : (int)result->height - y,	449	(int)result->height - y,
		450	new_pmap_width,
469	result->width, result->height,	451	new_pmap_height,
470	TINT_LEAVE_SAME, ASA_XImage,	452	TINT_LEAVE_SAME, ASA_XImage,
471	100, ASIMAGE_QUALITY_DEFAULT);	453	100, ASIMAGE_QUALITY_DEFAULT);
472	if (tmp)	454	if (tmp)
473	{	455	{
474	if (result != original_asim)	456	if (result != original_asim)
475	destroy_asimage (&result);	457	destroy_asimage (&result);
		458
476	result = tmp;	459	result = tmp;
477	}	460	}
478	}	461	}
479	}	462	}
480	else	463	else
		464	{
481	{/* if blending background and image - pixmap has to be sized same as target window */	465	/* if blending background and image - pixmap has to be sized same as target window */
482	ASImageLayer *layers = create_image_layers (2);	466	ASImageLayer *layers = create_image_layers (2);
483	ASImage *merged_im = NULL;
484		467
485	layers[0].im = background;	468	layers[0].im = background;
486	layers[0].clip_width = target_width;	469	layers[0].clip_width = target_width;
487	layers[0].clip_height = target_height;	470	layers[0].clip_height = target_height;
488	layers[0].tint = background_tint;	471	layers[0].tint = background_tint;
489	layers[1].im = result;	472	layers[1].im = result;
490	if (w <= 0)	473
		474	if (bg_flags & BG_TILE)
		475	{
491	{/* tile horizontally */	476	/* tile horizontally */
492	while (x > 0) x -= (int)result->width;	477	while (x > 0) x -= (int)result->width;
493	layers[1].dst_x = x;	478	layers[1].dst_x = x;
494	layers[1].clip_width = result->width+target_width;	479	layers[1].clip_width = result->width+target_width;
495	}	480	}
496	else	481	else
		482	{
497	{/* clip horizontally */	483	/* clip horizontally */
498	layers[1].dst_x = x;	484	layers[1].dst_x = x;
499	layers[1].clip_width = result->width;	485	layers[1].clip_width = result->width;
500	}	486	}
501	if (h <= 0)	487
		488	if (bg_flags & BG_TILE)
502	{	489	{
503	while (y > 0) y -= (int)result->height;	490	while (y > 0) y -= (int)result->height;
504	layers[1].dst_y = y;	491	layers[1].dst_y = y;
505	layers[1].clip_height = result->height + target_height;	492	layers[1].clip_height = result->height + target_height;
506	}	493	}
507	else	494	else
508	{	495	{
509	layers[1].dst_y = y;	496	layers[1].dst_y = y;
510	layers[1].clip_height = result->height;	497	layers[1].clip_height = result->height;
511	}	498	}
		499
512	if (target->rs[Rs_blendtype])	500	if (rs[Rs_blendtype])
513	{	501	{
514	layers[1].merge_scanlines = blend_scanlines_name2func (target->rs[Rs_blendtype]);	502	layers[1].merge_scanlines = blend_scanlines_name2func (rs[Rs_blendtype]);
515	if (layers[1].merge_scanlines == NULL)	503	if (layers[1].merge_scanlines == NULL)
516	layers[1].merge_scanlines = alphablend_scanlines;	504	layers[1].merge_scanlines = alphablend_scanlines;
517	}	505	}
		506
518	ASImage *tmp = merge_layers (target->asv, layers, 2, target_width, target_height,	507	ASImage *tmp = merge_layers (asv, layers, 2, target_width, target_height,
519	ASA_XImage, 0, ASIMAGE_QUALITY_DEFAULT);	508	ASA_XImage, 0, ASIMAGE_QUALITY_DEFAULT);
		509
520	if (tmp)	510	if (tmp)
521	{	511	{
522	if (result != original_asim)	512	if (result != original_asim)
523	destroy_asimage (&result);	513	destroy_asimage (&result);
		514
524	result = tmp;	515	result = tmp;
525	}	516	}
		517
526	free (layers);	518	free (layers);
527	}	519	}
528	}	520	}
529	TIMING_TEST_PRINT_RESULT (asim);
530		521
531	if (pixmap)	522	bool ret = false;
532	{
533	if (result == NULL
534	|| pmap_width != new_pmap_width
535	|| pmap_height != new_pmap_height
536	|| pmap_depth != target->depth)
537	{
538	XFreePixmap (target->dpy, pixmap);
539	pixmap = None;
540	}
541	}
542		523
543	if (result)	524	if (result)
544	{	525	{
545	XGCValues gcv;	526	XGCValues gcv;
546	GC gc;	527	GC gc;
547		528
548	/* create Pixmap */	529	/* create Pixmap */
549	if (pixmap == None)	530	if (bg_pixmap == None
		531	|| bg_pmap_width != new_pmap_width
		532	|| bg_pmap_height != new_pmap_height)
550	{	533	{
		534	if (bg_pixmap)
		535	XFreePixmap (dpy, bg_pixmap);
551	pixmap = XCreatePixmap (target->dpy, target->vt, new_pmap_width, new_pmap_height, target->depth);	536	bg_pixmap = XCreatePixmap (dpy, vt, new_pmap_width, new_pmap_height, depth);
552	pmap_width = new_pmap_width;	537	bg_pmap_width = new_pmap_width;
553	pmap_height = new_pmap_height;	538	bg_pmap_height = new_pmap_height;
554	pmap_depth = target->depth;
555	}	539	}
556	/* fill with background color ( if result's not completely overlapping it)*/	540	/* fill with background color (if result's not completely overlapping it) */
557	gcv.foreground = target->pix_colors[Color_bg];	541	gcv.foreground = pix_colors[Color_bg];
558	gc = XCreateGC (target->dpy, target->vt, GCForeground, &gcv);	542	gc = XCreateGC (dpy, vt, GCForeground, &gcv);
559		543
560	int src_x = 0, src_y = 0, dst_x = 0, dst_y = 0;	544	int src_x = 0, src_y = 0, dst_x = 0, dst_y = 0;
561	int dst_width = result->width, dst_height = result->height;	545	int dst_width = result->width, dst_height = result->height;
562	if (background == NULL)	546	if (background == NULL)
563	{	547	{
564	if (h_scale > 0)	548	if (!(bg_flags & BG_TILE))
		549	{
565	src_x = make_clip_rectangle (x, result->width, new_pmap_width, dst_x, dst_width);	550	src_x = make_clip_rectangle (x, result->width , new_pmap_width , dst_x, dst_width );
566	if (v_scale > 0)
567	src_y = make_clip_rectangle (y, result->height, new_pmap_height, dst_y, dst_height);	551	src_y = make_clip_rectangle (y, result->height, new_pmap_height, dst_y, dst_height);
		552	}
568		553
569	if (dst_x > 0 || dst_y > 0	554	if (dst_x > 0 || dst_y > 0
570	|| dst_x + dst_width < new_pmap_width	555	|| dst_x + dst_width < new_pmap_width
571	|| dst_y + dst_height < new_pmap_height)	556	|| dst_y + dst_height < new_pmap_height)
572	{
573	XFillRectangle (target->dpy, pixmap, gc, 0, 0, new_pmap_width, new_pmap_height);	557	XFillRectangle (dpy, bg_pixmap, gc, 0, 0, new_pmap_width, new_pmap_height);
574	}
575	}	558	}
576		559
577	/* put result on pixmap */	560	/* put result on pixmap */
578	if (dst_x < new_pmap_width && dst_y < new_pmap_height)	561	if (dst_x < new_pmap_width && dst_y < new_pmap_height)
579	asimage2drawable (target->asv, pixmap, result, gc, src_x, src_y, dst_x, dst_y, dst_width, dst_height, True);	562	asimage2drawable (asv, bg_pixmap, result, gc, src_x, src_y, dst_x, dst_y, dst_width, dst_height, True);
580		563
581	if (result != background && result != original_asim)	564	if (result != background && result != original_asim)
582	destroy_asimage (&result);	565	destroy_asimage (&result);
583		566
584	XFreeGC (target->dpy, gc);	567	XFreeGC (dpy, gc);
585	TIMING_TEST_PRINT_RESULT (asim);	568
		569	ret = true;
		570	}
		571
		572	if (background)
		573	destroy_asimage (&background);
		574
		575	return ret;
		576	}
		577	# endif /* HAVE_AFTERIMAGE */
		578
		579	# ifdef HAVE_PIXBUF
		580	bool
		581	rxvt_term::pixbuf_to_pixmap (GdkPixbuf *pixbuf, Pixmap pixmap, GC gc,
		582	int src_x, int src_y, int dst_x, int dst_y,
		583	unsigned int width, unsigned int height)
		584	{
		585	XImage *ximage;
		586	char *data, *line;
		587	int bytes_per_pixel;
		588	int width_r, width_g, width_b;
		589	int sh_r, sh_g, sh_b;
		590	int rowstride;
		591	int channels;
		592	unsigned char *row;
		593
		594	if (visual->c_class != TrueColor)
		595	return false;
		596
		597	if (depth == 24 || depth == 32)
		598	bytes_per_pixel = 4;
		599	else if (depth == 15 || depth == 16)
		600	bytes_per_pixel = 2;
		601	else
		602	return false;
		603
		604	width_r = ecb_popcount32 (visual->red_mask);
		605	width_g = ecb_popcount32 (visual->green_mask);
		606	width_b = ecb_popcount32 (visual->blue_mask);
		607
		608	if (width_r > 8 || width_g > 8 || width_b > 8)
		609	return false;
		610
		611	sh_r = ecb_ctz32 (visual->red_mask);
		612	sh_g = ecb_ctz32 (visual->green_mask);
		613	sh_b = ecb_ctz32 (visual->blue_mask);
		614
		615	if (width > INT_MAX / height / bytes_per_pixel)
		616	return false;
		617
		618	data = (char *)malloc (width * height * bytes_per_pixel);
		619	if (!data)
		620	return false;
		621
		622	ximage = XCreateImage (dpy, visual, depth, ZPixmap, 0, data,
		623	width, height, bytes_per_pixel * 8, 0);
		624	if (!ximage)
586	}	625	{
		626	free (data);
		627	return false;
		628	}
587		629
		630	ximage->byte_order = ecb_big_endian () ? MSBFirst : LSBFirst;
		631
		632	rowstride = gdk_pixbuf_get_rowstride (pixbuf);
		633	channels = gdk_pixbuf_get_n_channels (pixbuf);
		634	row = gdk_pixbuf_get_pixels (pixbuf) + src_y * rowstride + src_x * channels;
		635	line = data;
		636
		637	for (int y = 0; y < height; y++)
		638	{
		639	for (int x = 0; x < width; x++)
		640	{
		641	unsigned char *pixel = row + x * channels;
		642	uint32_t value;
		643
		644	value = ((pixel[0] >> (8 - width_r)) << sh_r)
		645	| ((pixel[1] >> (8 - width_g)) << sh_g)
		646	| ((pixel[2] >> (8 - width_b)) << sh_b);
		647
		648	if (bytes_per_pixel == 4)
		649	((uint32_t *)line)[x] = value;
		650	else
		651	((uint16_t *)line)[x] = value;
		652	}
		653
		654	row += rowstride;
		655	line += ximage->bytes_per_line;
		656	}
		657
		658	XPutImage (dpy, pixmap, gc, ximage, 0, 0, dst_x, dst_y, width, height);
		659	XDestroyImage (ximage);
588	return true;	660	return true;
589	}	661	}
590	# endif /* HAVE_AFTERIMAGE */
591		662
592	bool	663	bool
593	bgPixmap_t::set_file (const char *file)	664	rxvt_term::render_image (unsigned long tr_flags)
594	{	665	{
595	char *f;	666	if (!pixbuf)
		667	return false;
596		668
597	assert (file != NULL);	669	if (tr_flags
		670	&& !(bg_flags & BG_HAS_RENDER))
		671	return false;
598		672
599	if (*file != '\0')	673	GdkPixbuf *result;
		674
		675	int image_width = gdk_pixbuf_get_width (pixbuf);
		676	int image_height = gdk_pixbuf_get_height (pixbuf);
		677
		678	int target_width = szHint.width;
		679	int target_height = szHint.height;
		680	int new_pmap_width = target_width;
		681	int new_pmap_height = target_height;
		682
		683	int x = 0;
		684	int y = 0;
		685	int w = 0;
		686	int h = 0;
		687
		688	get_image_geometry (image_width, image_height, w, h, x, y);
		689
		690	if (!(bg_flags & BG_ROOT_ALIGN)
		691	&& (x >= target_width
		692	|| y >= target_height
		693	|| (x + w <= 0)
		694	|| (y + h <= 0)))
		695	return false;
		696
		697	result = pixbuf;
		698
		699	if ((w != image_width)
		700	|| (h != image_height))
		701	{
		702	result = gdk_pixbuf_scale_simple (pixbuf,
		703	w, h,
		704	GDK_INTERP_BILINEAR);
600	{	705	}
		706
		707	if (!result)
		708	return false;
		709
		710	bool ret = false;
		711
		712	XGCValues gcv;
		713	GC gc;
		714	Pixmap root_pmap;
		715
		716	image_width = gdk_pixbuf_get_width (result);
		717	image_height = gdk_pixbuf_get_height (result);
		718
		719	if (tr_flags)
		720	{
		721	root_pmap = bg_pixmap;
		722	bg_pixmap = None;
		723	}
		724	else
		725	{
		726	if (bg_flags & BG_TILE)
		727	{
		728	new_pmap_width = min (image_width, target_width);
		729	new_pmap_height = min (image_height, target_height);
		730	}
		731	}
		732
		733	if (bg_pixmap == None
		734	|| bg_pmap_width != new_pmap_width
		735	|| bg_pmap_height != new_pmap_height)
		736	{
		737	if (bg_pixmap)
		738	XFreePixmap (dpy, bg_pixmap);
		739	bg_pixmap = XCreatePixmap (dpy, vt, new_pmap_width, new_pmap_height, depth);
		740	bg_pmap_width = new_pmap_width;
		741	bg_pmap_height = new_pmap_height;
		742	}
		743
		744	gcv.foreground = pix_colors[Color_bg];
		745	gc = XCreateGC (dpy, vt, GCForeground, &gcv);
		746
		747	if (gc)
		748	{
		749	if (bg_flags & BG_TILE)
		750	{
		751	Pixmap tile = XCreatePixmap (dpy, vt, image_width, image_height, depth);
		752	pixbuf_to_pixmap (result, tile, gc,
		753	0, 0,
		754	0, 0,
		755	image_width, image_height);
		756
		757	gcv.tile = tile;
		758	gcv.fill_style = FillTiled;
		759	gcv.ts_x_origin = x;
		760	gcv.ts_y_origin = y;
		761	XChangeGC (dpy, gc, GCFillStyle | GCTile | GCTileStipXOrigin | GCTileStipYOrigin, &gcv);
		762
		763	XFillRectangle (dpy, bg_pixmap, gc, 0, 0, new_pmap_width, new_pmap_height);
		764	XFreePixmap (dpy, tile);
		765	}
		766	else
		767	{
		768	int src_x, src_y, dst_x, dst_y;
		769	int dst_width, dst_height;
		770
		771	src_x = make_clip_rectangle (x, image_width , new_pmap_width , dst_x, dst_width );
		772	src_y = make_clip_rectangle (y, image_height, new_pmap_height, dst_y, dst_height);
		773
		774	if (dst_x > 0 || dst_y > 0
		775	|| dst_x + dst_width < new_pmap_width
		776	|| dst_y + dst_height < new_pmap_height)
		777	XFillRectangle (dpy, bg_pixmap, gc, 0, 0, new_pmap_width, new_pmap_height);
		778
		779	if (dst_x < new_pmap_width && dst_y < new_pmap_height)
		780	pixbuf_to_pixmap (result, bg_pixmap, gc,
		781	src_x, src_y,
		782	dst_x, dst_y,
		783	dst_width, dst_height);
		784	}
		785
		786	#if XRENDER
		787	if (tr_flags)
		788	{
		789	XRenderPictureAttributes pa;
		790
		791	XRenderPictFormat *src_format = XRenderFindVisualFormat (dpy, visual);
		792	Picture src = XRenderCreatePicture (dpy, root_pmap, src_format, 0, &pa);
		793
		794	XRenderPictFormat *dst_format = XRenderFindVisualFormat (dpy, visual);
		795	Picture dst = XRenderCreatePicture (dpy, bg_pixmap, dst_format, 0, &pa);
		796
		797	pa.repeat = True;
		798	Pixmap mask_pmap = XCreatePixmap (dpy, vt, 1, 1, 8);
		799	XRenderPictFormat *mask_format = XRenderFindStandardFormat (dpy, PictStandardA8);
		800	Picture mask = XRenderCreatePicture (dpy, mask_pmap, mask_format, CPRepeat, &pa);
		801	XFreePixmap (dpy, mask_pmap);
		802
		803	XRenderColor mask_c;
		804
		805	mask_c.alpha = 0x8000;
		806	mask_c.red = 0;
		807	mask_c.green = 0;
		808	mask_c.blue = 0;
		809	XRenderFillRectangle (dpy, PictOpSrc, mask, &mask_c, 0, 0, 1, 1);
		810	XRenderComposite (dpy, PictOpOver, src, mask, dst, 0, 0, 0, 0, 0, 0, target_width, target_height);
		811
		812	XRenderFreePicture (dpy, src);
		813	XRenderFreePicture (dpy, dst);
		814	XRenderFreePicture (dpy, mask);
		815	}
		816	#endif
		817
		818	XFreeGC (dpy, gc);
		819
		820	ret = true;
		821	}
		822
		823	if (result != pixbuf)
		824	g_object_unref (result);
		825
		826	if (tr_flags)
		827	XFreePixmap (dpy, root_pmap);
		828
		829	return ret;
		830	}
		831	# endif /* HAVE_PIXBUF */
		832
		833	bool
		834	rxvt_term::bg_set_file (const char *file)
		835	{
		836	if (!file || !*file)
		837	return false;
		838
		839	if (const char *p = strchr (file, ';'))
		840	{
		841	size_t len = p - file;
		842	char *f = rxvt_temp_buf<char> (len + 1);
		843	memcpy (f, file, len);
		844	f[len] = '\0';
		845	file = f;
		846	}
		847
601	# ifdef HAVE_AFTERIMAGE	848	# ifdef HAVE_AFTERIMAGE
602	if (target->asimman == NULL)	849	if (!asimman)
603	target->asimman = create_generic_imageman (target->rs[Rs_path]);	850	asimman = create_generic_imageman (rs[Rs_path]);
604	if ((f = strchr (file, ';')) == NULL)
605	original_asim = get_asimage (target->asimman, file, 0xFFFFFFFF, 100);	851	ASImage *image = get_asimage (asimman, file, 0xFFFFFFFF, 100);
606	else	852	if (image)
607	{
608	size_t len = f - file;
609	f = (char *)malloc (len + 1);
610	strncpy (f, file, len);
611	f[len] = '\0';
612	original_asim = get_asimage (target->asimman, f, 0xFFFFFFFF, 100);
613	free (f);
614	}
615	return (original_asim != NULL);
616	# endif
617	}	853	{
		854	if (original_asim)
		855	safe_asimage_destroy (original_asim);
		856	original_asim = image;
		857	bg_flags |= BG_IS_FROM_FILE | BG_CLIENT_RENDER;
		858	return true;
		859	}
		860	# endif
		861
		862	# ifdef HAVE_PIXBUF
		863	GdkPixbuf *image = gdk_pixbuf_new_from_file (file, NULL);
		864	if (image)
		865	{
		866	if (pixbuf)
		867	g_object_unref (pixbuf);
		868	pixbuf = image;
		869	bg_flags |= BG_IS_FROM_FILE;
		870	return true;
		871	}
		872	# endif
		873
618	return false;	874	return false;
619	}	875	}
620		876
621	# endif /* BG_IMAGE_FROM_FILE */	877	# endif /* BG_IMAGE_FROM_FILE */
622		878
623	# ifdef ENABLE_TRANSPARENCY	879	# ifdef ENABLE_TRANSPARENCY
624	bool	880	bool
625	bgPixmap_t::set_transparent ()	881	rxvt_term::bg_set_transparent ()
626	{	882	{
627	if (!(flags & isTransparent))	883	if (!(bg_flags & BG_IS_TRANSPARENT))
628	{	884	{
629	flags |= isTransparent;	885	bg_flags |= BG_IS_TRANSPARENT;
630	return true;	886	return true;
631	}	887	}
		888
632	return false;	889	return false;
633	}	890	}
634		891
635	bool	892	bool
636	bgPixmap_t::set_blur_radius (const char *geom)	893	rxvt_term::bg_set_blur (const char *geom)
637	{	894	{
638	int changed = 0;	895	bool changed = false;
639	unsigned int hr, vr;	896	unsigned int hr, vr;
640	int junk;	897	int junk;
641	int geom_flags = XParseGeometry (geom, &junk, &junk, &hr, &vr);	898	int geom_flags = XParseGeometry (geom, &junk, &junk, &hr, &vr);
642		899
643	if (!(geom_flags&WidthValue))	900	if (!(geom_flags & WidthValue))
644	hr = 1;	901	hr = 1;
645	if (!(geom_flags&HeightValue))	902	if (!(geom_flags & HeightValue))
646	vr = hr;	903	vr = hr;
647		904
		905	min_it (hr, 128);
		906	min_it (vr, 128);
		907
648	if (h_blurRadius != hr)	908	if (h_blurRadius != hr)
649	{	909	{
650	++changed;	910	changed = true;
651	h_blurRadius = hr;	911	h_blurRadius = hr;
652	}	912	}
653		913
654	if (v_blurRadius != vr)	914	if (v_blurRadius != vr)
655	{	915	{
656	++changed;	916	changed = true;
657	v_blurRadius = vr;	917	v_blurRadius = vr;
658	}	918	}
659		919
660	if (v_blurRadius == 0 && h_blurRadius == 0)	920	if (v_blurRadius == 0 && h_blurRadius == 0)
661	flags &= ~blurNeeded;	921	bg_flags &= ~BG_NEEDS_BLUR;
662	else	922	else
663	flags |= blurNeeded;	923	bg_flags |= BG_NEEDS_BLUR;
664		924
665	return (changed>0);	925	return changed;
666	}	926	}
667		927
668	static inline unsigned long	928	void
669	compute_tint_shade_flags (rxvt_color *tint, int shade)	929	rxvt_term::set_tint_shade_flags ()
670	{	930	{
671	unsigned long flags = 0;
672	rgba c (rgba::MAX_CC,rgba::MAX_CC,rgba::MAX_CC);	931	rgba c (rgba::MAX_CC,rgba::MAX_CC,rgba::MAX_CC);
673	bool has_shade = (shade > 0 && shade < 100) || (shade > 100 && shade < 200);	932	bool has_shade = shade != 100;
674		933
675	if (tint)	934	bg_flags &= ~BG_TINT_FLAGS;
		935
		936	if (bg_flags & BG_TINT_SET)
676	{	937	{
677	tint->get (c);	938	tint.get (c);
678	# define IS_COMPONENT_WHOLESOME(cmp) ((cmp) <= 0x000700 || (cmp) >= 0x00f700)
679	if (!has_shade && IS_COMPONENT_WHOLESOME (c.r)
680	&& IS_COMPONENT_WHOLESOME (c.g)
681	&& IS_COMPONENT_WHOLESOME (c.b))
682	flags |= bgPixmap_t::tintWholesome;
683	# undef IS_COMPONENT_WHOLESOME
684	}
685
686	if (has_shade)	939	if (!has_shade
687	flags |= bgPixmap_t::tintNeeded;	940	&& (c.r <= 0x00ff || c.r >= 0xff00)
688	else if (tint)	941	&& (c.g <= 0x00ff || c.g >= 0xff00)
689	{	942	&& (c.b <= 0x00ff || c.b >= 0xff00))
690	if ((c.r > 0x000700 || c.g > 0x000700 || c.b > 0x000700)	943	bg_flags |= BG_TINT_BITAND;
691	&& (c.r < 0x00f700 || c.g < 0x00f700 || c.b < 0x00f700))
692	{
693	flags |= bgPixmap_t::tintNeeded;
694	}
695	}
696		944	}
697	if (flags & bgPixmap_t::tintNeeded)	945
		946	if (has_shade || (bg_flags & BG_TINT_SET))
		947	bg_flags |= BG_NEEDS_TINT;
		948	}
		949
		950	bool
		951	rxvt_term::bg_set_tint (rxvt_color &new_tint)
		952	{
		953	if (!(bg_flags & BG_TINT_SET) || tint != new_tint)
		954	{
		955	tint = new_tint;
		956	bg_flags |= BG_TINT_SET;
		957	set_tint_shade_flags ();
		958	return true;
698	{	959	}
699	if (flags & bgPixmap_t::tintWholesome)	960
700	flags |= bgPixmap_t::tintServerSide;	961	return false;
		962	}
		963
		964	bool
		965	rxvt_term::bg_set_shade (const char *shade_str)
		966	{
		967	int new_shade = (shade_str) ? atoi (shade_str) : 100;
		968
		969	clamp_it (new_shade, -100, 200);
		970	if (new_shade < 0)
		971	new_shade = 200 - (100 + new_shade);
		972
		973	if (new_shade != shade)
		974	{
		975	shade = new_shade;
		976	set_tint_shade_flags ();
		977	return true;
		978	}
		979
		980	return false;
		981	}
		982
		983	#if XRENDER
		984	static void
		985	get_gaussian_kernel (int radius, int width, double *kernel, XFixed *params)
		986	{
		987	double sigma = radius / 2.0;
		988	double scale = sqrt (2.0 * M_PI) * sigma;
		989	double sum = 0.0;
		990
		991	for (int i = 0; i < width; i++)
		992	{
		993	double x = i - width / 2;
		994	kernel[i] = exp (-(x * x) / (2.0 * sigma * sigma)) / scale;
		995	sum += kernel[i];
		996	}
		997
		998	params[0] = XDoubleToFixed (width);
		999	params[1] = XDoubleToFixed (1);
		1000
		1001	for (int i = 0; i < width; i++)
		1002	params[i+2] = XDoubleToFixed (kernel[i] / sum);
		1003	}
		1004	#endif
		1005
		1006	bool
		1007	rxvt_term::blur_pixmap (Pixmap pixmap, Visual *visual, int width, int height)
		1008	{
		1009	bool ret = false;
		1010	#if XRENDER
		1011	int size = max (h_blurRadius, v_blurRadius) * 2 + 1;
		1012	double *kernel = (double *)malloc (size * sizeof (double));
		1013	XFixed *params = (XFixed *)malloc ((size + 2) * sizeof (XFixed));
		1014
		1015	XRenderPictureAttributes pa;
		1016	XRenderPictFormat *format = XRenderFindVisualFormat (dpy, visual);
		1017
		1018	Picture src = XRenderCreatePicture (dpy, pixmap, format, 0, &pa);
		1019	Picture dst = XRenderCreatePicture (dpy, pixmap, format, 0, &pa);
		1020
		1021	if (kernel && params)
		1022	{
		1023	if (h_blurRadius)
		1024	{
		1025	size = h_blurRadius * 2 + 1;
		1026	get_gaussian_kernel (h_blurRadius, size, kernel, params);
		1027
		1028	XRenderSetPictureFilter (dpy, src, FilterConvolution, params, size+2);
		1029	XRenderComposite (dpy,
		1030	PictOpSrc,
		1031	src,
		1032	None,
		1033	dst,
		1034	0, 0,
		1035	0, 0,
		1036	0, 0,
		1037	width, height);
		1038	}
		1039
		1040	if (v_blurRadius)
		1041	{
		1042	size = v_blurRadius * 2 + 1;
		1043	get_gaussian_kernel (v_blurRadius, size, kernel, params);
		1044	::swap (params[0], params[1]);
		1045
		1046	XRenderSetPictureFilter (dpy, src, FilterConvolution, params, size+2);
		1047	XRenderComposite (dpy,
		1048	PictOpSrc,
		1049	src,
		1050	None,
		1051	dst,
		1052	0, 0,
		1053	0, 0,
		1054	0, 0,
		1055	width, height);
		1056	}
		1057
		1058	ret = true;
		1059	}
		1060
		1061	free (kernel);
		1062	free (params);
		1063	XRenderFreePicture (dpy, src);
		1064	XRenderFreePicture (dpy, dst);
		1065	#endif
		1066	return ret;
		1067	}
		1068
		1069	bool
		1070	rxvt_term::tint_pixmap (Pixmap pixmap, Visual *visual, int width, int height)
		1071	{
		1072	bool ret = false;
		1073
		1074	if (bg_flags & BG_TINT_BITAND)
		1075	{
		1076	XGCValues gcv;
		1077	GC gc;
		1078
		1079	/* In this case we can tint image server-side getting significant
		1080	* performance improvements, as we eliminate XImage transfer
		1081	*/
		1082	gcv.foreground = Pixel (tint);
		1083	gcv.function = GXand;
		1084	gcv.fill_style = FillSolid;
		1085	gc = XCreateGC (dpy, pixmap, GCFillStyle | GCForeground | GCFunction, &gcv);
		1086	if (gc)
		1087	{
		1088	XFillRectangle (dpy, pixmap, gc, 0, 0, width, height);
		1089	ret = true;
		1090	XFreeGC (dpy, gc);
		1091	}
		1092	}
		1093	else
		1094	{
		1095	# if XRENDER
		1096	rgba c (rgba::MAX_CC, rgba::MAX_CC, rgba::MAX_CC);
		1097
		1098	if (bg_flags & BG_TINT_SET)
		1099	tint.get (c);
		1100
		1101	if (shade <= 100)
		1102	{
		1103	c.r = c.r * shade / 100;
		1104	c.g = c.g * shade / 100;
		1105	c.b = c.b * shade / 100;
		1106	}
701	else	1107	else
702	{	1108	{
703	#if XFT	1109	c.r = c.r * (200 - shade) / 100;
704	flags |= bgPixmap_t::tintServerSide;	1110	c.g = c.g * (200 - shade) / 100;
705	#endif	1111	c.b = c.b * (200 - shade) / 100;
		1112	}
		1113
		1114	XRenderPictFormat *solid_format = XRenderFindStandardFormat (dpy, PictStandardARGB32);
		1115	XRenderPictFormat *format = XRenderFindVisualFormat (dpy, visual);
		1116	XRenderPictureAttributes pa;
		1117
		1118	Picture back_pic = XRenderCreatePicture (dpy, pixmap, format, 0, &pa);
		1119
		1120	pa.repeat = True;
		1121
		1122	Pixmap overlay_pmap = XCreatePixmap (dpy, pixmap, 1, 1, 32);
		1123	Picture overlay_pic = XRenderCreatePicture (dpy, overlay_pmap, solid_format, CPRepeat, &pa);
		1124	XFreePixmap (dpy, overlay_pmap);
		1125
		1126	pa.component_alpha = True;
		1127	Pixmap mask_pmap = XCreatePixmap (dpy, pixmap, 1, 1, 32);
		1128	Picture mask_pic = XRenderCreatePicture (dpy, mask_pmap, solid_format, CPRepeat | CPComponentAlpha, &pa);
		1129	XFreePixmap (dpy, mask_pmap);
		1130
		1131	XRenderColor mask_c;
		1132
		1133	mask_c.alpha = 0xffff;
		1134	mask_c.red =
		1135	mask_c.green =
		1136	mask_c.blue = 0;
		1137	XRenderFillRectangle (dpy, PictOpSrc, overlay_pic, &mask_c, 0, 0, 1, 1);
		1138
		1139	mask_c.alpha = 0;
		1140	mask_c.red = 0xffff - c.r;
		1141	mask_c.green = 0xffff - c.g;
		1142	mask_c.blue = 0xffff - c.b;
		1143	XRenderFillRectangle (dpy, PictOpSrc, mask_pic, &mask_c, 0, 0, 1, 1);
		1144	XRenderComposite (dpy, PictOpOver, overlay_pic, mask_pic, back_pic, 0, 0, 0, 0, 0, 0, width, height);
		1145
		1146	if (shade > 100)
706	}	1147	{
707	}	1148	mask_c.red = mask_c.green = mask_c.blue = 0xffff * (shade - 100) / 100;
		1149	mask_c.alpha = 0;
		1150	XRenderFillRectangle (dpy, PictOpSrc, overlay_pic, &mask_c, 0, 0, 1, 1);
708		1151
709	return flags;	1152	XRenderComposite (dpy, PictOpOver, overlay_pic, None, back_pic, 0, 0, 0, 0, 0, 0, width, height);
710	}	1153	}
711		1154
712	bool
713	bgPixmap_t::set_tint (rxvt_color &new_tint)
714	{
715	if (tint != new_tint)
716	{
717	unsigned long new_flags = compute_tint_shade_flags (&new_tint, shade);
718	tint = new_tint;
719	flags = (flags & ~tintFlags) | new_flags | tintSet;
720	return true;	1155	ret = true;
721	}
722	return false;
723	}
724		1156
725	bool	1157	XRenderFreePicture (dpy, mask_pic);
726	bgPixmap_t::unset_tint ()	1158	XRenderFreePicture (dpy, overlay_pic);
727	{	1159	XRenderFreePicture (dpy, back_pic);
728	unsigned long new_flags = compute_tint_shade_flags (NULL, shade);	1160	# endif
729
730	if (new_flags != (flags & tintFlags))
731	{	1161	}
732	flags = (flags&~tintFlags)|new_flags;	1162
733	return true;
734	}
735	return false;	1163	return ret;
736	}	1164	}
737		1165
738	bool	1166	/*
739	bgPixmap_t::set_shade (const char *shade_str)	1167	* Builds a pixmap of the same size as the terminal window that contains
740	{
741	int new_shade = (shade_str) ? atoi (shade_str) : 0;
742
743	if (new_shade == 100)
744	new_shade = 0;
745
746	if (new_shade != shade)
747	{
748	unsigned long new_flags = compute_tint_shade_flags ((flags & tintSet) ? &tint : NULL, new_shade);
749	shade = new_shade;
750	flags = (flags & (~tintFlags | tintSet)) | new_flags;
751	return true;
752	}
753	return false;
754	}
755
756	/* make_transparency_pixmap()
757	* Builds a pixmap sized the same as terminal window, with depth same as the root window
758	* that pixmap contains tiled portion of the root pixmap that is supposed to be covered by	1168	* the tiled portion of the root pixmap that is supposed to be covered by
759	* our window.	1169	* our window.
760	*/	1170	*/
761	unsigned long	1171	unsigned long
762	bgPixmap_t::make_transparency_pixmap ()	1172	rxvt_term::make_transparency_pixmap ()
763	{	1173	{
764	unsigned long result = 0;	1174	unsigned long result = 0;
765		1175
766	if (target == NULL)
767	return 0;
768
769	/* root dimentions may change from call to call - but Display structure should	1176	/* root dimensions may change from call to call - but Display structure should
770	* be always up-to-date, so let's use it :	1177	* be always up-to-date, so let's use it :
771	*/	1178	*/
772	Window root = target->display->root;
773	int screen = target->display->screen;	1179	int screen = display->screen;
774	Display *dpy = target->dpy;	1180	int root_depth = DefaultDepth (dpy, screen);
775	int root_width = DisplayWidth (dpy, screen);	1181	int root_width = DisplayWidth (dpy, screen);
776	int root_height = DisplayHeight (dpy, screen);	1182	int root_height = DisplayHeight (dpy, screen);
777	unsigned int root_pmap_width, root_pmap_height;	1183	unsigned int root_pmap_width, root_pmap_height;
778	int window_width = target->szHint.width;	1184	int window_width = szHint.width;
779	int window_height = target->szHint.height;	1185	int window_height = szHint.height;
780	int sx, sy;	1186	int sx, sy;
781	XGCValues gcv;	1187	XGCValues gcv;
		1188	GC gc;
782		1189
783	TIMING_TEST_START (tp);	1190	sx = target_x;
784	target->get_window_origin (sx, sy);	1191	sy = target_y;
785		1192
786	/* check if we are outside of the visible part of the virtual screen : */	1193	/* check if we are outside of the visible part of the virtual screen : */
787	if (sx + window_width <= 0 || sy + window_height <= 0	1194	if (sx + window_width <= 0 || sy + window_height <= 0
788	|| sx >= root_width || sy >= root_height)	1195	|| sx >= root_width || sy >= root_height)
789	return 0;	1196	return 0;
790		1197
		1198	// validate root pixmap and get its size
791	if (root_pixmap != None)	1199	if (root_pixmap != None)
792	{/* we want to validate the pixmap and get it's size at the same time : */	1200	{
		1201	Window wdummy;
793	int junk;	1202	int idummy;
794	unsigned int ujunk;	1203	unsigned int udummy;
795	/* root pixmap may be bad - allow a error */	1204
796	target->allowedxerror = -1;	1205	allowedxerror = -1;
797		1206
798	if (!XGetGeometry (dpy, root_pixmap, &root, &junk, &junk, &root_pmap_width, &root_pmap_height, &ujunk, &ujunk))	1207	if (!XGetGeometry (dpy, root_pixmap, &wdummy, &idummy, &idummy, &root_pmap_width, &root_pmap_height, &udummy, &udummy))
799	root_pixmap = None;	1208	root_pixmap = None;
800		1209
801	target->allowedxerror = 0;	1210	allowedxerror = 0;
		1211	}
		1212
		1213	Pixmap recoded_root_pmap = root_pixmap;
		1214
		1215	if (root_pixmap != None && root_depth != depth)
802	}	1216	{
		1217	#if XRENDER
		1218	if (bg_flags & BG_HAS_RENDER)
		1219	{
		1220	recoded_root_pmap = XCreatePixmap (dpy, vt, root_pmap_width, root_pmap_height, depth);
803		1221
804	Pixmap tiled_root_pmap = XCreatePixmap (dpy, root, window_width, window_height, root_depth);	1222	XRenderPictureAttributes pa;
805	GC gc = NULL;
806		1223
807	if (tiled_root_pmap == None) /* something really bad happened - abort */	1224	XRenderPictFormat *src_format = XRenderFindVisualFormat (dpy, DefaultVisual (dpy, screen));
		1225	Picture src = XRenderCreatePicture (dpy, root_pixmap, src_format, 0, &pa);
		1226
		1227	XRenderPictFormat *dst_format = XRenderFindVisualFormat (dpy, visual);
		1228	Picture dst = XRenderCreatePicture (dpy, recoded_root_pmap, dst_format, 0, &pa);
		1229
		1230	XRenderComposite (dpy, PictOpSrc, src, None, dst, 0, 0, 0, 0, 0, 0, root_pmap_width, root_pmap_height);
		1231
		1232	XRenderFreePicture (dpy, src);
		1233	XRenderFreePicture (dpy, dst);
		1234	}
		1235	else
		1236	#endif
		1237	recoded_root_pmap = None;
		1238	}
		1239
		1240	if (recoded_root_pmap == None)
808	return 0;	1241	return 0;
809		1242
810	if (root_pixmap == None)	1243	if (bg_pixmap == None
811	{ /* use tricks to obtain the root background image :*/	1244	|| bg_pmap_width != window_width
812	/* we want to create Overrideredirect window overlapping out window	1245	|| bg_pmap_height != window_height)
813	with background type of Parent Relative and then grab it */	1246	{
814	XSetWindowAttributes attr;	1247	if (bg_pixmap)
815	Window src;	1248	XFreePixmap (dpy, bg_pixmap);
816	bool success = false;	1249	bg_pixmap = XCreatePixmap (dpy, vt, window_width, window_height, depth);
		1250	bg_pmap_width = window_width;
		1251	bg_pmap_height = window_height;
		1252	}
817		1253
818	attr.background_pixmap = ParentRelative;	1254	/* straightforward pixmap copy */
819	attr.backing_store = Always;	1255	while (sx < 0) sx += root_width;
820	attr.event_mask = ExposureMask;	1256	while (sy < 0) sy += root_height;
821	attr.override_redirect = True;
822	src = XCreateWindow (dpy, root, sx, sy, window_width, window_height, 0,
823	CopyFromParent, CopyFromParent, CopyFromParent,
824	CWBackPixmap|CWBackingStore|CWOverrideRedirect|CWEventMask,
825	&attr);
826		1257
827	if (src != None)	1258	gcv.tile = recoded_root_pmap;
828	{	1259	gcv.fill_style = FillTiled;
829	XEvent event;	1260	gcv.ts_x_origin = -sx;
830	int ev_count = 0;	1261	gcv.ts_y_origin = -sy;
831	XGrabServer (dpy);	1262	gc = XCreateGC (dpy, vt, GCFillStyle | GCTile | GCTileStipXOrigin | GCTileStipYOrigin, &gcv);
832	XMapRaised (dpy, src);
833	XSync (dpy, False);
834		1263
835	/* XSync should get window where it's properly exposed,	1264	if (gc)
836	* but to be on the safe side - let's check for the actuall event to arrive : */	1265	{
837	while (XCheckWindowEvent (dpy, src, ExposureMask, &event))	1266	XFillRectangle (dpy, bg_pixmap, gc, 0, 0, window_width, window_height);
838	++ev_count;	1267	result |= BG_IS_VALID | (bg_flags & BG_EFFECTS_FLAGS);
		1268	XFreeGC (dpy, gc);
839		1269
840	if (ev_count > 0);	1270	if (!(bg_flags & BG_CLIENT_RENDER))
841	{ /* hooray! - we can grab the image! */	1271	{
842	gc = XCreateGC (dpy, root, 0, NULL);	1272	if ((bg_flags & BG_NEEDS_BLUR)
843	if (gc)	1273	&& (bg_flags & BG_HAS_RENDER_CONV))
844	{	1274	{
845	XCopyArea (dpy, src, tiled_root_pmap, gc, 0, 0, window_width, window_height, 0, 0);	1275	if (blur_pixmap (bg_pixmap, visual, window_width, window_height))
846	success = true;	1276	result &= ~BG_NEEDS_BLUR;
847	}
848	}	1277	}
849	XDestroyWindow (dpy, src);	1278	if ((bg_flags & BG_NEEDS_TINT)
850	XUngrabServer (dpy);	1279	&& (bg_flags & (BG_TINT_BITAND | BG_HAS_RENDER)))
851	//fprintf (stderr, "%s:%d: ev_count = %d\n", __FUNCTION__, __LINE__, ev_count);
852	}
853
854	if (!success)
855	{	1280	{
856	XFreePixmap (dpy, tiled_root_pmap);	1281	if (tint_pixmap (bg_pixmap, visual, window_width, window_height))
857	tiled_root_pmap = None;	1282	result &= ~BG_NEEDS_TINT;
858	}	1283	}
859	else	1284	} /* server side rendering completed */
860	result |= transpPmapTiled;	1285	}
		1286
		1287	if (recoded_root_pmap != root_pixmap)
		1288	XFreePixmap (dpy, recoded_root_pmap);
		1289
		1290	return result;
		1291	}
		1292
		1293	void
		1294	rxvt_term::bg_set_root_pixmap ()
		1295	{
		1296	Pixmap new_root_pixmap = get_pixmap_property (xa[XA_XROOTPMAP_ID]);
		1297	if (new_root_pixmap == None)
		1298	new_root_pixmap = get_pixmap_property (xa[XA_ESETROOT_PMAP_ID]);
		1299
		1300	root_pixmap = new_root_pixmap;
		1301	}
		1302	# endif /* ENABLE_TRANSPARENCY */
		1303
		1304	#if defined(ENABLE_TRANSPARENCY) && !defined(HAVE_AFTERIMAGE)
		1305	static void shade_ximage (Visual *visual, XImage *ximage, int shade, const rgba &c);
		1306	# endif
		1307
		1308	bool
		1309	rxvt_term::bg_render ()
		1310	{
		1311	unsigned long tr_flags = 0;
		1312
		1313	bg_invalidate ();
		1314	# ifdef ENABLE_TRANSPARENCY
		1315	if (bg_flags & BG_IS_TRANSPARENT)
861	}	1316	{
862	else	1317	/* we need to re-generate transparency pixmap in that case ! */
863	{/* strightforward pixmap copy */	1318	tr_flags = make_transparency_pixmap ();
864	gcv.tile = root_pixmap;	1319	if (tr_flags == 0)
865	gcv.fill_style = FillTiled;	1320	return false;
		1321	else if (!(tr_flags & BG_EFFECTS_FLAGS))
		1322	bg_flags |= BG_IS_VALID;
		1323	}
		1324	# endif
866		1325
867	while (sx < 0) sx += (int)root_width;	1326	# ifdef BG_IMAGE_FROM_FILE
868	while (sy < 0) sy += (int)root_height;	1327	if ((bg_flags & BG_IS_FROM_FILE)
		1328	|| (tr_flags & BG_EFFECTS_FLAGS))
		1329	{
		1330	if (render_image (tr_flags))
		1331	bg_flags |= BG_IS_VALID;
		1332	}
		1333	# endif
869		1334
870	gcv.ts_x_origin = -sx;	1335	# if defined(ENABLE_TRANSPARENCY) && !defined(HAVE_AFTERIMAGE)
871	gcv.ts_y_origin = -sy;	1336	XImage *result = NULL;
872	gc = XCreateGC (dpy, root, GCFillStyle | GCTile | GCTileStipXOrigin | GCTileStipYOrigin, &gcv);	1337
		1338	if (tr_flags && !(bg_flags & BG_IS_VALID))
		1339	{
		1340	result = XGetImage (dpy, bg_pixmap, 0, 0, bg_pmap_width, bg_pmap_height, AllPlanes, ZPixmap);
		1341	}
		1342
		1343	if (result)
		1344	{
		1345	/* our own client-side tinting */
		1346	if (tr_flags & BG_NEEDS_TINT)
		1347	{
		1348	rgba c (rgba::MAX_CC,rgba::MAX_CC,rgba::MAX_CC);
		1349	if (bg_flags & BG_TINT_SET)
		1350	tint.get (c);
		1351	shade_ximage (DefaultVisual (dpy, display->screen), result, shade, c);
		1352	}
		1353
		1354	GC gc = XCreateGC (dpy, vt, 0UL, NULL);
873		1355
874	if (gc)	1356	if (gc)
875	{	1357	{
876	XFillRectangle (dpy, tiled_root_pmap, gc, 0, 0, window_width, window_height);	1358	XPutImage (dpy, bg_pixmap, gc, result, 0, 0, 0, 0, result->width, result->height);
877	result |= transpPmapTiled;
878	}
879	}
880	TIMING_TEST_PRINT_RESULT (tp);
881		1359
882	if (tiled_root_pmap != None)	1360	XFreeGC (dpy, gc);
883	{	1361	bg_flags |= BG_IS_VALID;
884	if (!need_client_side_rendering ())
885	{	1362	}
886	if ((flags & tintNeeded))
887	{
888	if (flags & tintWholesome)
889	{
890	/* In this case we can tint image server-side getting significant
891	* performance improvements, as we eliminate XImage transfer
892	*/
893	gcv.foreground = Pixel (tint);
894	gcv.function = GXand;
895	gcv.fill_style = FillSolid;
896	if (gc)
897	XChangeGC (dpy, gc, GCFillStyle | GCForeground | GCFunction, &gcv);
898	else
899	gc = XCreateGC (dpy, root, GCFillStyle | GCForeground | GCFunction, &gcv);
900	if (gc)
901	{
902	XFillRectangle (dpy, tiled_root_pmap, gc, 0, 0, window_width, window_height);
903	result |= transpPmapTinted;
904	}
905	}
906	else
907	{
908	# if XFT
909	Picture back_pic = 0;
910	rgba c (rgba::MAX_CC,rgba::MAX_CC,rgba::MAX_CC);
911		1363
912	if (flags & tintSet)	1364	XDestroyImage (result);
913	tint.get (c);
914
915	if (shade > 0 && shade < 100)
916	{
917	c.r = (c.r * shade) / 100;
918	c.g = (c.g * shade) / 100;
919	c.b = (c.b * shade) / 100;
920	}
921	else if( shade > 100 && shade < 200)
922	{
923	c.r = (c.r * (200 - shade)) / 100;
924	c.g = (c.g * (200 - shade)) / 100;
925	c.b = (c.b * (200 - shade)) / 100;
926	}
927
928	XRenderPictFormat pf;
929	pf.type = PictTypeDirect;
930	pf.depth = 32;
931	pf.direct.redMask = 0xff;
932	pf.direct.greenMask = 0xff;
933	pf.direct.blueMask = 0xff;
934	pf.direct.alphaMask = 0xff;
935
936	XRenderPictFormat *solid_format = XRenderFindFormat (dpy,
937	(PictFormatType|
938	PictFormatDepth|
939	PictFormatRedMask|
940	PictFormatGreenMask|
941	PictFormatBlueMask|
942	PictFormatAlphaMask),
943	&pf,
944	0);
945	XRenderPictFormat *root_format = XRenderFindVisualFormat (dpy, DefaultVisualOfScreen (ScreenOfDisplay (dpy, target->display->screen)));
946	XRenderPictureAttributes pa ;
947
948	back_pic = XRenderCreatePicture (dpy, tiled_root_pmap, root_format, 0, &pa);
949
950	pa.repeat = True;
951
952	Pixmap overlay_pmap = XCreatePixmap (dpy, root, 1, 1, 32);
953	Picture overlay_pic = XRenderCreatePicture (dpy, overlay_pmap, solid_format, CPRepeat, &pa);
954	XFreePixmap (dpy, overlay_pmap);
955
956	pa.component_alpha = True;
957	Pixmap mask_pmap = XCreatePixmap (dpy, root, 1, 1, 32);
958	Picture mask_pic = XRenderCreatePicture (dpy, mask_pmap, solid_format, CPRepeat|CPComponentAlpha, &pa);
959	XFreePixmap (dpy, mask_pmap);
960
961	if (mask_pic && overlay_pic && back_pic)
962	{
963	XRenderColor mask_c;
964
965	memset (&mask_c, (shade > 100) ? 0xFF : 0x0, sizeof (mask_c));
966	mask_c.alpha = 0xffff;
967	XRenderFillRectangle (dpy, PictOpSrc, overlay_pic, &mask_c, 0, 0, 1, 1);
968
969	mask_c.alpha = 0;
970	mask_c.red = 0xffff - c.r;
971	mask_c.green = 0xffff - c.g;
972	mask_c.blue = 0xffff - c.b;
973	XRenderFillRectangle (dpy, PictOpSrc, mask_pic, &mask_c, 0, 0, 1, 1);
974	XRenderComposite (dpy, PictOpOver, overlay_pic, mask_pic, back_pic, 0, 0, 0, 0, 0, 0, window_width, window_height);
975	result |= transpPmapTinted;
976	}
977	XRenderFreePicture (dpy, mask_pic);
978	XRenderFreePicture (dpy, overlay_pic);
979	XRenderFreePicture (dpy, back_pic);
980	# if DO_TIMING_TEST
981	XSync (dpy, False);
982	# endif
983	# endif
984	}
985	}
986	} /* server side rendering completed */
987
988	if (pixmap)
989	XFreePixmap (dpy, pixmap);
990
991	pixmap = tiled_root_pmap;
992	pmap_width = window_width;
993	pmap_height = window_height;
994	pmap_depth = root_depth;
995	}
996
997	if (gc)
998	XFreeGC (dpy, gc);
999
1000	TIMING_TEST_PRINT_RESULT (tp);
1001		1365	}
1002	return result;
1003	}
1004
1005	bool
1006	bgPixmap_t::set_root_pixmap ()
1007	{
1008	Pixmap new_root_pixmap = None;
1009
1010	new_root_pixmap = target->get_pixmap_property (XA_XROOTPMAP_ID);
1011	if (new_root_pixmap == None)
1012	new_root_pixmap = target->get_pixmap_property (XA_ESETROOT_PMAP_ID);
1013
1014	if (new_root_pixmap != root_pixmap)
1015	{
1016	root_pixmap = new_root_pixmap;
1017	return true;
1018	}
1019	return false;
1020	}
1021	# endif /* ENABLE_TRANSPARENCY */
1022
1023	# ifndef HAVE_AFTERIMAGE
1024	static void ShadeXImage(rxvt_term *term, XImage* srcImage, int shade, int rm, int gm, int bm);
1025	# endif	1366	# endif
1026		1367
1027		1368	if (!(bg_flags & BG_IS_VALID))
1028	bool
1029	bgPixmap_t::render ()
1030	{
1031	unsigned long background_flags = 0;
1032
1033	if (target == NULL)
1034	return false;
1035
1036	TIMING_TEST_START (tp);
1037
1038	invalidate();
1039	# ifdef ENABLE_TRANSPARENCY
1040	if (flags & isTransparent)
1041	{
1042	/* we need to re-generate transparency pixmap in that case ! */
1043	background_flags = make_transparency_pixmap ();
1044	if (background_flags == 0)
1045	return false;
1046	else if ((background_flags & transpTransformations) == (flags & transpTransformations)
1047	&& pmap_depth == target->depth)
1048	flags = flags & ~isInvalid;
1049	}	1369	{
1050	# endif
1051
1052	XImage *result = NULL;
1053	# ifdef HAVE_AFTERIMAGE
1054	if (original_asim
1055	|| (background_flags & transpTransformations) != (flags & transpTransformations))
1056	{
1057	ASImage *background = NULL;
1058	ARGB32 as_tint = TINT_LEAVE_SAME;
1059	if (background_flags)
1060	background = pixmap2ximage (target->asv, pixmap, 0, 0, pmap_width, pmap_height, AllPlanes, 100);
1061
1062	# ifdef ENABLE_TRANSPARENCY
1063	if (!(background_flags & transpPmapTinted) && (flags & tintNeeded))
1064	{
1065	ShadingInfo as_shade;
1066	as_shade.shading = (shade == 0) ? 100 : shade;
1067
1068	rgba c (rgba::MAX_CC,rgba::MAX_CC,rgba::MAX_CC);
1069	if (flags & tintSet)
1070	tint.get (c);
1071	as_shade.tintColor.red = c.r;
1072	as_shade.tintColor.green = c.g;
1073	as_shade.tintColor.blue = c.b;
1074
1075	as_tint = shading2tint32 (&as_shade);
1076	}
1077	if (!(background_flags & transpPmapBlured) && (flags & blurNeeded) && background != NULL)
1078	{
1079	ASImage* tmp = blur_asimage_gauss (target->asv, background, h_blurRadius, v_blurRadius, 0xFFFFFFFF,
1080	(original_asim == NULL || tint == TINT_LEAVE_SAME)?ASA_XImage:ASA_ASImage,
1081	100, ASIMAGE_QUALITY_DEFAULT);
1082	if (tmp)
1083	{
1084	destroy_asimage (&background);
1085	background = tmp;
1086	}
1087	}
1088	# endif
1089
1090	if (render_asim (background, as_tint))
1091	flags = flags & ~isInvalid;
1092	if (background)
1093	destroy_asimage (&background);
1094	}
1095	else if (background_flags && pmap_depth != target->depth)
1096	{
1097	result = XGetImage (target->dpy, pixmap, 0, 0, pmap_width, pmap_height, AllPlanes, ZPixmap);
1098	}
1099	# else /* our own client-side tinting */
1100	if (background_flags && (flags & isInvalid))
1101	{
1102	result = XGetImage (target->dpy, pixmap, 0, 0, pmap_width, pmap_height, AllPlanes, ZPixmap);
1103	if (result != NULL && !(background_flags & transpPmapTinted) && (flags & tintNeeded))
1104	{
1105	rgba c (rgba::MAX_CC,rgba::MAX_CC,rgba::MAX_CC);
1106	if (flags & tintSet)
1107	tint.get (c);
1108	ShadeXImage (target, result, shade, c.r, c.g, c.b);
1109	}
1110	}
1111	# endif /* HAVE_AFTERIMAGE */
1112
1113	if (result != NULL)
1114	{
1115	GC gc = XCreateGC (target->dpy, target->vt, 0UL, NULL);
1116	if (gc)
1117	{
1118	if (/*pmap_depth != target->depth &&*/ pixmap != None)
1119	{
1120	XFreePixmap (target->dpy, pixmap);
1121	pixmap = None;
1122	}
1123	if (pixmap == None)
1124	{
1125	pixmap = XCreatePixmap (target->dpy, target->vt, result->width, result->height, target->depth);
1126	pmap_width = result->width;
1127	pmap_height = result->height;
1128	pmap_depth = target->depth;
1129	}
1130	if (pmap_depth != result->depth)
1131	{ /* Bad Match error will ensue ! stupid X !!!! */
1132	if( result->depth == 24 && pmap_depth == 32)
1133	result->depth = 32;
1134	else if( result->depth == 32 && pmap_depth == 24)
1135	result->depth = 24;
1136	else
1137	{
1138	/* TODO: implement image recoding */
1139	}
1140	}
1141	if (pmap_depth == result->depth)
1142	XPutImage (target->dpy, pixmap, gc, result, 0, 0, 0, 0, result->width, result->height);
1143	XFreeGC (target->dpy, gc);
1144	flags = flags & ~isInvalid;
1145	}
1146	XDestroyImage (result);
1147	}
1148
1149	if (flags & isInvalid)
1150	{
1151	if (pixmap != None)	1370	if (bg_pixmap != None)
1152	{	1371	{
1153	XFreePixmap (target->dpy, pixmap);	1372	XFreePixmap (dpy, bg_pixmap);
1154	pixmap = None;	1373	bg_pixmap = None;
1155	}
1156	}
1157
1158	apply ();
1159
1160	TIMING_TEST_PRINT_RESULT (tp);
1161
1162	return true;
1163	}
1164
1165	bool
1166	bgPixmap_t::set_target (rxvt_term *new_target)
1167	{
1168	if (new_target)
1169	if (target != new_target)
1170	{
1171	target = new_target;
1172	# ifdef ENABLE_TRANSPARENCY
1173	root_depth = DefaultDepthOfScreen (ScreenOfDisplay (target->dpy, target->display->screen));
1174	# endif
1175	return true;
1176	}	1374	}
		1375	}
		1376
		1377	scr_recolour (false);
		1378	bg_flags |= BG_NEEDS_REFRESH;
		1379
		1380	bg_valid_since = ev::now ();
		1381
1177	return false;	1382	return true;
1178	}	1383	}
1179		1384
1180	void	1385	void
1181	bgPixmap_t::apply()	1386	rxvt_term::bg_init ()
1182	{	1387	{
1183	if (target)
1184	{
1185	flags &= ~isVtOrigin;
1186	if (pixmap != None)
1187	{ /* set target's background to pixmap */
1188	# ifdef ENABLE_TRANSPARENCY	1388	#ifdef ENABLE_TRANSPARENCY
1189	if (flags & isTransparent)	1389	shade = 100;
1190	{
1191	XSetWindowBackgroundPixmap (target->dpy, target->parent[0], pixmap);
1192	XSetWindowBackgroundPixmap (target->dpy, target->vt, ParentRelative);
1193	# if HAVE_SCROLLBARS
1194	if (target->scrollBar.win)
1195	XSetWindowBackgroundPixmap (target->dpy, target->scrollBar.win, ParentRelative);
1196	# endif
1197	}
1198	else
1199	# endif	1390	#endif
1200	{	1391
1201	flags |= isVtOrigin;	1392	bg_flags &= ~(BG_HAS_RENDER | BG_HAS_RENDER_CONV);
1202	/* force old pixmap dereference in case it was transparent before :*/	1393	#if XRENDER
1203	XSetWindowBackground (target->dpy, target->parent[0], target->pix_colors[Color_border]);	1394	int major, minor;
1204	XSetWindowBackgroundPixmap (target->dpy, target->vt, pixmap);	1395	if (XRenderQueryVersion (dpy, &major, &minor))
1205	/* do we also need to set scrollbar's background here ? */	1396	bg_flags |= BG_HAS_RENDER;
1206	# if HAVE_SCROLLBARS	1397	XFilters *filters = XRenderQueryFilters (dpy, vt);
1207	if (target->scrollBar.win)	1398	if (filters)
1208	XSetWindowBackground (target->dpy, target->scrollBar.win, target->pix_colors[Color_border]);	1399	{
		1400	for (int i = 0; i < filters->nfilter; i++)
		1401	if (!strcmp (filters->filter[i], FilterConvolution))
		1402	bg_flags |= BG_HAS_RENDER_CONV;
		1403
		1404	XFree (filters);
		1405	}
1209	# endif	1406	#endif
1210	}
1211	}
1212	else
1213	{ /* set target background to a pixel */
1214	XSetWindowBackground (target->dpy, target->parent[0], target->pix_colors[Color_border]);
1215	XSetWindowBackground (target->dpy, target->vt, target->pix_colors[Color_bg]);
1216	/* do we also need to set scrollbar's background here ? */
1217	# if HAVE_SCROLLBARS
1218	if (target->scrollBar.win)
1219	XSetWindowBackground (target->dpy, target->scrollBar.win, target->pix_colors[Color_border]);
1220	# endif
1221	}
1222	/* don't want Expose on the parent or vt. It is better to use
1223	scr_touch or we get a great deal of flicker otherwise: */
1224	XClearWindow (target->dpy, target->parent[0]);
1225
1226	# if HAVE_SCROLLBARS
1227	if (target->scrollBar.win)
1228	{
1229	target->scrollBar.setIdle ();
1230	target->scrollbar_show (0);
1231	}
1232	# endif
1233
1234	target->want_refresh = 1;
1235	flags |= hasChanged;
1236	}
1237	}	1407	}
1238		1408
1239	#endif /* HAVE_BG_PIXMAP */	1409	#endif /* HAVE_BG_PIXMAP */
1240		1410
1241	#if defined(ENABLE_TRANSPARENCY) && !defined(HAVE_AFTERIMAGE)	1411	#if defined(ENABLE_TRANSPARENCY) && !defined(HAVE_AFTERIMAGE)
1242	/* taken from aterm-0.4.2 */	1412	/* taken from aterm-0.4.2 */
1243		1413
1244	typedef uint32_t RUINT32T;
1245
1246	static void	1414	static void
1247	ShadeXImage(rxvt_term *term, XImage* srcImage, int shade, int rm, int gm, int bm)	1415	shade_ximage (Visual *visual, XImage *ximage, int shade, const rgba &c)
1248	{	1416	{
1249	int sh_r, sh_g, sh_b;	1417	int sh_r, sh_g, sh_b;
1250	RUINT32T mask_r, mask_g, mask_b;	1418	uint32_t mask_r, mask_g, mask_b;
1251	RUINT32T *lookup, *lookup_r, *lookup_g, *lookup_b;	1419	uint32_t *lookup, *lookup_r, *lookup_g, *lookup_b;
1252	unsigned int lower_lim_r, lower_lim_g, lower_lim_b;	1420	rgba low;
1253	unsigned int upper_lim_r, upper_lim_g, upper_lim_b;	1421	rgba high;
1254	int i;	1422	int i;
		1423	int host_byte_order = ecb_big_endian () ? MSBFirst : LSBFirst;
1255		1424
1256	Visual *visual = term->visual;
1257
1258	if (visual->c_class != TrueColor || srcImage->format != ZPixmap) return ;	1425	if (visual->c_class != TrueColor || ximage->format != ZPixmap) return;
1259
1260	if (shade == 0)
1261	shade = 100;
1262		1426
1263	/* for convenience */	1427	/* for convenience */
1264	mask_r = visual->red_mask;	1428	mask_r = visual->red_mask;
1265	mask_g = visual->green_mask;	1429	mask_g = visual->green_mask;
1266	mask_b = visual->blue_mask;	1430	mask_b = visual->blue_mask;
1267		1431
1268	/* boring lookup table pre-initialization */	1432	/* boring lookup table pre-initialization */
1269	switch (srcImage->bits_per_pixel) {	1433	switch (ximage->depth)
		1434	{
1270	case 15:	1435	case 15:
1271	if ((mask_r != 0x7c00) ||	1436	if ((mask_r != 0x7c00) ||
1272	(mask_g != 0x03e0) ||	1437	(mask_g != 0x03e0) ||
1273	(mask_b != 0x001f))	1438	(mask_b != 0x001f))
1274	return;	1439	return;
1275	lookup = (RUINT32T *) malloc (sizeof (RUINT32T)*(32+32+32));	1440	lookup = (uint32_t *) malloc (sizeof (uint32_t)*(32+32+32));
1276	lookup_r = lookup;	1441	lookup_r = lookup;
1277	lookup_g = lookup+32;	1442	lookup_g = lookup+32;
1278	lookup_b = lookup+32+32;	1443	lookup_b = lookup+32+32;
1279	sh_r = 10;	1444	sh_r = 10;
1280	sh_g = 5;	1445	sh_g = 5;
1281	sh_b = 0;	1446	sh_b = 0;
1282	break;	1447	break;
1283	case 16:	1448	case 16:
1284	if ((mask_r != 0xf800) ||	1449	if ((mask_r != 0xf800) ||
1285	(mask_g != 0x07e0) ||	1450	(mask_g != 0x07e0) ||
1286	(mask_b != 0x001f))	1451	(mask_b != 0x001f))
1287	return;	1452	return;
1288	lookup = (RUINT32T *) malloc (sizeof (RUINT32T)*(32+64+32));	1453	lookup = (uint32_t *) malloc (sizeof (uint32_t)*(32+64+32));
1289	lookup_r = lookup;	1454	lookup_r = lookup;
1290	lookup_g = lookup+32;	1455	lookup_g = lookup+32;
1291	lookup_b = lookup+32+64;	1456	lookup_b = lookup+32+64;
1292	sh_r = 11;	1457	sh_r = 11;
1293	sh_g = 5;	1458	sh_g = 5;
1294	sh_b = 0;	1459	sh_b = 0;
1295	break;	1460	break;
1296	case 24:	1461	case 24:
1297	if ((mask_r != 0xff0000) ||	1462	if ((mask_r != 0xff0000) ||
1298	(mask_g != 0x00ff00) ||	1463	(mask_g != 0x00ff00) ||
1299	(mask_b != 0x0000ff))	1464	(mask_b != 0x0000ff))
1300	return;	1465	return;
1301	lookup = (RUINT32T *) malloc (sizeof (RUINT32T)*(256+256+256));	1466	lookup = (uint32_t *) malloc (sizeof (uint32_t)*(256+256+256));
1302	lookup_r = lookup;	1467	lookup_r = lookup;
1303	lookup_g = lookup+256;	1468	lookup_g = lookup+256;
1304	lookup_b = lookup+256+256;	1469	lookup_b = lookup+256+256;
1305	sh_r = 16;	1470	sh_r = 16;
1306	sh_g = 8;	1471	sh_g = 8;
1307	sh_b = 0;	1472	sh_b = 0;
1308	break;	1473	break;
1309	case 32:	1474	case 32:
1310	if ((mask_r != 0xff0000) ||	1475	if ((mask_r != 0xff0000) ||
1311	(mask_g != 0x00ff00) ||	1476	(mask_g != 0x00ff00) ||
1312	(mask_b != 0x0000ff))	1477	(mask_b != 0x0000ff))
1313	return;	1478	return;
1314	lookup = (RUINT32T *) malloc (sizeof (RUINT32T)*(256+256+256));	1479	lookup = (uint32_t *) malloc (sizeof (uint32_t)*(256+256+256));
1315	lookup_r = lookup;	1480	lookup_r = lookup;
1316	lookup_g = lookup+256;	1481	lookup_g = lookup+256;
1317	lookup_b = lookup+256+256;	1482	lookup_b = lookup+256+256;
1318	sh_r = 16;	1483	sh_r = 16;
1319	sh_g = 8;	1484	sh_g = 8;
1320	sh_b = 0;	1485	sh_b = 0;
1321	break;	1486	break;
1322	default:	1487	default:
1323	return; /* we do not support this color depth */	1488	return; /* we do not support this color depth */
1324	}	1489	}
1325		1490
1326	/* prepare limits for color transformation (each channel is handled separately) */	1491	/* prepare limits for color transformation (each channel is handled separately) */
1327	if (shade < 0) {	1492	if (shade > 100)
		1493	{
1328	shade = -shade;	1494	shade = 200 - shade;
1329	if (shade < 0) shade = 0;
1330	if (shade > 100) shade = 100;
1331		1495
1332	lower_lim_r = 65535-rm;	1496	high.r = c.r * shade / 100;
1333	lower_lim_g = 65535-gm;	1497	high.g = c.g * shade / 100;
1334	lower_lim_b = 65535-bm;	1498	high.b = c.b * shade / 100;
1335		1499
1336	lower_lim_r = 65535-(unsigned int)(((RUINT32T)lower_lim_r)*((RUINT32T)shade)/100);	1500	low.r = 65535 * (100 - shade) / 100;
1337	lower_lim_g = 65535-(unsigned int)(((RUINT32T)lower_lim_g)*((RUINT32T)shade)/100);	1501	low.g = 65535 * (100 - shade) / 100;
1338	lower_lim_b = 65535-(unsigned int)(((RUINT32T)lower_lim_b)*((RUINT32T)shade)/100);	1502	low.b = 65535 * (100 - shade) / 100;
1339
1340	upper_lim_r = upper_lim_g = upper_lim_b = 65535;
1341	} else {
1342	if (shade < 0) shade = 0;
1343	if (shade > 100) shade = 100;
1344
1345	lower_lim_r = lower_lim_g = lower_lim_b = 0;
1346
1347	upper_lim_r = (unsigned int)((((RUINT32T)rm)*((RUINT32T)shade))/100);
1348	upper_lim_g = (unsigned int)((((RUINT32T)gm)*((RUINT32T)shade))/100);
1349	upper_lim_b = (unsigned int)((((RUINT32T)bm)*((RUINT32T)shade))/100);
1350	}	1503	}
1351		1504	else
1352	/* switch red and blue bytes if necessary, we need it for some weird XServers like XFree86 3.3.3.1 */
1353	if ((srcImage->bits_per_pixel == 24) && (mask_r >= 0xFF0000 ))
1354	{	1505	{
1355	unsigned int tmp;	1506	high.r = c.r * shade / 100;
		1507	high.g = c.g * shade / 100;
		1508	high.b = c.b * shade / 100;
1356		1509
1357	tmp = lower_lim_r;	1510	low.r = low.g = low.b = 0;
1358	lower_lim_r = lower_lim_b;
1359	lower_lim_b = tmp;
1360
1361	tmp = upper_lim_r;
1362	upper_lim_r = upper_lim_b;
1363	upper_lim_b = tmp;
1364	}	1511	}
1365		1512
1366	/* fill our lookup tables */	1513	/* fill our lookup tables */
1367	for (i = 0; i <= mask_r>>sh_r; i++)	1514	for (i = 0; i <= mask_r>>sh_r; i++)
1368	{	1515	{
1369	RUINT32T tmp;	1516	uint32_t tmp;
1370	tmp = ((RUINT32T)i)*((RUINT32T)(upper_lim_r-lower_lim_r));	1517	tmp = i * high.r;
1371	tmp += ((RUINT32T)(mask_r>>sh_r))*((RUINT32T)lower_lim_r);	1518	tmp += (mask_r>>sh_r) * low.r;
1372	lookup_r[i] = (tmp/65535)<<sh_r;	1519	lookup_r[i] = (tmp/65535)<<sh_r;
1373	}	1520	}
1374	for (i = 0; i <= mask_g>>sh_g; i++)	1521	for (i = 0; i <= mask_g>>sh_g; i++)
1375	{	1522	{
1376	RUINT32T tmp;	1523	uint32_t tmp;
1377	tmp = ((RUINT32T)i)*((RUINT32T)(upper_lim_g-lower_lim_g));	1524	tmp = i * high.g;
1378	tmp += ((RUINT32T)(mask_g>>sh_g))*((RUINT32T)lower_lim_g);	1525	tmp += (mask_g>>sh_g) * low.g;
1379	lookup_g[i] = (tmp/65535)<<sh_g;	1526	lookup_g[i] = (tmp/65535)<<sh_g;
1380	}	1527	}
1381	for (i = 0; i <= mask_b>>sh_b; i++)	1528	for (i = 0; i <= mask_b>>sh_b; i++)
1382	{	1529	{
1383	RUINT32T tmp;	1530	uint32_t tmp;
1384	tmp = ((RUINT32T)i)*((RUINT32T)(upper_lim_b-lower_lim_b));	1531	tmp = i * high.b;
1385	tmp += ((RUINT32T)(mask_b>>sh_b))*((RUINT32T)lower_lim_b);	1532	tmp += (mask_b>>sh_b) * low.b;
1386	lookup_b[i] = (tmp/65535)<<sh_b;	1533	lookup_b[i] = (tmp/65535)<<sh_b;
1387	}	1534	}
1388		1535
1389	/* apply table to input image (replacing colors by newly calculated ones) */	1536	/* apply table to input image (replacing colors by newly calculated ones) */
1390	switch (srcImage->bits_per_pixel)	1537	if (ximage->bits_per_pixel == 32
		1538	&& (ximage->depth == 24 || ximage->depth == 32)
		1539	&& ximage->byte_order == host_byte_order)
1391	{	1540	{
1392	case 15:
1393	{
1394	unsigned short *p1, *pf, *p, *pl;	1541	uint32_t *p1, *pf, *p, *pl;
1395	p1 = (unsigned short *) srcImage->data;	1542	p1 = (uint32_t *) ximage->data;
1396	pf = (unsigned short *) (srcImage->data + srcImage->height * srcImage->bytes_per_line);	1543	pf = (uint32_t *) (ximage->data + ximage->height * ximage->bytes_per_line);
		1544
1397	while (p1 < pf)	1545	while (p1 < pf)
1398	{	1546	{
1399	p = p1;	1547	p = p1;
1400	pl = p1 + srcImage->width;	1548	pl = p1 + ximage->width;
1401	for (; p < pl; p++)	1549	for (; p < pl; p++)
1402	{	1550	{
1403	*p = lookup_r[(*p & 0x7c00)>>10] |
1404	lookup_g[(*p & 0x03e0)>> 5] |
1405	lookup_b[(*p & 0x001f)];
1406	}
1407	p1 = (unsigned short *) ((char *) p1 + srcImage->bytes_per_line);
1408	}
1409	break;
1410	}
1411	case 16:
1412	{
1413	unsigned short *p1, *pf, *p, *pl;
1414	p1 = (unsigned short *) srcImage->data;
1415	pf = (unsigned short *) (srcImage->data + srcImage->height * srcImage->bytes_per_line);
1416	while (p1 < pf)
1417	{
1418	p = p1;
1419	pl = p1 + srcImage->width;
1420	for (; p < pl; p++)
1421	{
1422	*p = lookup_r[(*p & 0xf800)>>11] |
1423	lookup_g[(*p & 0x07e0)>> 5] |
1424	lookup_b[(*p & 0x001f)];
1425	}
1426	p1 = (unsigned short *) ((char *) p1 + srcImage->bytes_per_line);
1427	}
1428	break;
1429	}
1430	case 24:
1431	{
1432	unsigned char *p1, *pf, *p, *pl;
1433	p1 = (unsigned char *) srcImage->data;
1434	pf = (unsigned char *) (srcImage->data + srcImage->height * srcImage->bytes_per_line);
1435	while (p1 < pf)
1436	{
1437	p = p1;
1438	pl = p1 + srcImage->width * 3;
1439	for (; p < pl; p += 3)
1440	{
1441	p[0] = lookup_r[(p[0] & 0xff0000)>>16];
1442	p[1] = lookup_r[(p[1] & 0x00ff00)>> 8];
1443	p[2] = lookup_r[(p[2] & 0x0000ff)];
1444	}
1445	p1 = (unsigned char *) ((char *) p1 + srcImage->bytes_per_line);
1446	}
1447	break;
1448	}
1449	case 32:
1450	{
1451	RUINT32T *p1, *pf, *p, *pl;
1452	p1 = (RUINT32T *) srcImage->data;
1453	pf = (RUINT32T *) (srcImage->data + srcImage->height * srcImage->bytes_per_line);
1454
1455	while (p1 < pf)
1456	{
1457	p = p1;
1458	pl = p1 + srcImage->width;
1459	for (; p < pl; p++)
1460	{
1461	*p = lookup_r[(*p & 0xff0000)>>16] |	1551	*p = lookup_r[(*p & 0xff0000) >> 16] |
1462	lookup_g[(*p & 0x00ff00)>> 8] |	1552	lookup_g[(*p & 0x00ff00) >> 8] |
1463	lookup_b[(*p & 0x0000ff)] |	1553	lookup_b[(*p & 0x0000ff)] |
1464	(*p & ~0xffffff);	1554	(*p & 0xff000000);
		1555	}
		1556	p1 = (uint32_t *) ((char *) p1 + ximage->bytes_per_line);
		1557	}
		1558	}
		1559	else
		1560	{
		1561	for (int y = 0; y < ximage->height; y++)
		1562	for (int x = 0; x < ximage->width; x++)
		1563	{
		1564	unsigned long pixel = XGetPixel (ximage, x, y);
		1565	pixel = lookup_r[(pixel & mask_r) >> sh_r] |
		1566	lookup_g[(pixel & mask_g) >> sh_g] |
		1567	lookup_b[(pixel & mask_b) >> sh_b];
		1568	XPutPixel (ximage, x, y, pixel);
1465	}	1569	}
1466	p1 = (RUINT32T *) ((char *) p1 + srcImage->bytes_per_line);
1467	}	1570	}
1468	break;
1469	}
1470	}
1471		1571
1472	free (lookup);	1572	free (lookup);
1473	}	1573	}
1474	#endif /* defined(ENABLE_TRANSPARENCY) && !defined(HAVE_AFTERIMAGE) */	1574	#endif /* defined(ENABLE_TRANSPARENCY) && !defined(HAVE_AFTERIMAGE) */

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