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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 1.156 by sf-exg, Tue Aug 9 18:41:31 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 ?	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()	64	void
		65	rxvt_term::bg_destroy ()
93	{	66	{
94	#ifdef HAVE_AFTERIMAGE	67	#ifdef HAVE_AFTERIMAGE
95	original_asim = NULL;	68	if (original_asim)
		69	safe_asimage_destroy (original_asim);
		70	if (asv)
		71	destroy_asvisual (asv, 0);
		72	if (asimman)
		73	destroy_image_manager (asimman, 0);
96	#endif	74	#endif
97	#ifdef BG_IMAGE_FROM_FILE	75
98	h_scale = v_scale = 0;	76	#ifdef HAVE_PIXBUF
99	h_align = v_align = 0;	77	if (pixbuf)
		78	g_object_unref (pixbuf);
100	#endif	79	#endif
101	flags = 0;
102	pixmap = None;
103	}
104		80
		81	if (bg_pixmap)
		82	XFreePixmap (dpy, bg_pixmap);
		83	}
105		84
106	bool	85	bool
107	bgPixmap_t::window_size_sensitive ()	86	rxvt_term::bg_set_position (int x, int y)
108	{	87	{
109	# ifdef BG_IMAGE_FROM_FILE	88
110	# ifdef HAVE_AFTERIMAGE	89	if (target_x != x
111	if (original_asim != NULL)	90	|| target_y != y)
112	# endif
113	{	91	{
114	if (h_scale != 0 || v_scale != 0	92	target_x = x;
115	|| h_align != 0 || v_align != 0)	93	target_y = y;
116	return true;	94	return true;
117	}	95	}
118	# endif	96	return false;
		97	}
		98
		99	bool
		100	rxvt_term::bg_window_size_sensitive ()
		101	{
119	# ifdef ENABLE_TRANSPARENCY	102	# ifdef ENABLE_TRANSPARENCY
120	if (flags & isTransparent)	103	if (bg_flags & BG_IS_TRANSPARENT)
121	return true;	104	return true;
122	# endif	105	# endif
		106
		107	# ifdef BG_IMAGE_FROM_FILE
		108	if (bg_flags & BG_IS_FROM_FILE)
		109	{
		110	if (bg_flags & BG_IS_SIZE_SENSITIVE)
		111	return true;
		112	}
		113	# endif
		114
123	return false;	115	return false;
124	}	116	}
125		117
126	bool bgPixmap_t::need_client_side_rendering ()	118	bool
		119	rxvt_term::bg_window_position_sensitive ()
127	{	120	{
128	# ifdef HAVE_AFTERIMAGE	121	# ifdef ENABLE_TRANSPARENCY
129	if (original_asim != NULL)	122	if (bg_flags & BG_IS_TRANSPARENT)
130	return true;	123	return true;
131	# endif	124	# endif
132	# ifdef ENABLE_TRANSPARENCY	125
133	if (flags & isTransparent)	126	# ifdef BG_IMAGE_FROM_FILE
		127	if (bg_flags & BG_IS_FROM_FILE)
134	{	128	{
135	if (((flags & blurNeeded) && !(flags & blurServerSide))	129	if (bg_flags & BG_ROOT_ALIGN)
136	|| ((flags & tintNeeded) && !(flags & tintServerSide)))
137	return true;	130	return true;
138	}	131	}
139	# endif	132	# endif
		133
140	return false;	134	return false;
141	}	135	}
142		136
143	# ifdef BG_IMAGE_FROM_FILE	137	# ifdef BG_IMAGE_FROM_FILE
144	static inline bool	138	static inline bool
…		…
177		171
178	static inline int	172	static inline int
179	make_align_position (int align, int window_size, int image_size)	173	make_align_position (int align, int window_size, int image_size)
180	{	174	{
181	int diff = window_size - image_size;	175	int diff = window_size - image_size;
182	int smaller = MIN (image_size,window_size);	176	int smaller = min (image_size, window_size);
183		177
184	if (align >= 0 && align <= 50)	178	if (align >= 0 && align <= 100)
185	return diff * align / 100;	179	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 )	180	else if (align > 100 && align <= 200)
189	return ((align - 100) * smaller / 100) + window_size - smaller;	181	return ((align - 100) * smaller / 100) + window_size - smaller;
190	else if (align > -100 && align < 0)	182	else if (align >= -100 && align < 0)
191	return ((align + 100) * smaller / 100) - image_size;	183	return ((align + 100) * smaller / 100) - image_size;
192	return 0;	184	return 0;
193	}	185	}
194		186
195	static inline int	187	static inline int
196	make_clip_rectangle (int pos, int size, int target_size, int &dst_pos, int &dst_size)	188	make_clip_rectangle (int pos, int size, int target_size, int &dst_pos, int &dst_size)
197	{	189	{
198	int src_pos = 0;	190	int src_pos = 0;
199	dst_pos = 0;	191	dst_pos = pos;
200	dst_size = size;	192	dst_size = size;
201	if (pos < 0 && size > target_size)	193	if (pos < 0)
202	{	194	{
203	src_pos = -pos;	195	src_pos = -pos;
		196	dst_pos = 0;
204	dst_size += pos;	197	dst_size += pos;
205	}	198	}
206	else if (pos > 0)
207	dst_pos = pos;
208		199
209	if (dst_pos + dst_size > target_size)	200	if (dst_pos + dst_size > target_size)
210	dst_size = target_size - dst_pos;	201	dst_size = target_size - dst_pos;
211	return src_pos;	202	return src_pos;
212	}	203	}
213		204
214	bool	205	bool
215	bgPixmap_t::set_geometry (const char *geom)	206	rxvt_term::bg_set_geometry (const char *geom, bool update)
216	{	207	{
		208	bool changed = false;
217	int geom_flags = 0, changed = 0;	209	int geom_flags = 0;
218	int x = 0, y = 0;	210	int x = 0, y = 0;
219	unsigned int w = 0, h = 0;	211	unsigned int w = 0, h = 0;
220	unsigned int n;	212	unsigned int n;
221	unsigned long new_flags = (flags & (~geometryFlags));	213	unsigned long new_flags = (bg_flags & (~BG_GEOMETRY_FLAGS));
222	char *p;	214	const char *ops;
223	# define MAXLEN_GEOM 256 /* could be longer then regular geometry string */
224		215
225	if (geom == NULL)	216	if (geom == NULL)
226	return false;	217	return false;
227		218
228	char str[MAXLEN_GEOM];	219	char str[256];
229		220
230	while (isspace(*geom)) ++geom;
231	if ((p = strchr (geom, ';')) == NULL)
232	p = strchr (geom, '\0');	221	ops = strchr (geom, ':');
233		222	if (ops == NULL)
		223	n = strlen (geom);
		224	else
234	n = (p - geom);	225	n = ops - geom;
235	if (n < MAXLEN_GEOM)
236	{
237	char *ops;
238	new_flags |= geometrySet;
239		226
		227	if (n >= sizeof (str))
		228	return false;
		229
240	strncpy (str, geom, n);	230	memcpy (str, geom, n);
241	str[n] = '\0';	231	str[n] = '\0';
242	if (str[0] == ':')	232	rxvt_strtrim (str);
243	ops = &str[0];
244	else if (str[0] != 'x' && str[0] != 'X' && isalpha(str[0]))
245	ops = &str[0];
246	else
247	{
248	char *tmp;
249	ops = strchr (str, ':');
250	if (ops != NULL)
251	{
252	for (tmp = ops-1; tmp >= str && isspace(*tmp); --tmp);
253	*(++tmp) = '\0';
254	if (ops == tmp) ++ops;
255	}
256	}
257		233
258	if (ops > str || ops == NULL)	234	if (str[0])
259	{	235	{
260	/* we have geometry string - let's handle it prior to applying ops */	236	/* we have geometry string - let's handle it prior to applying ops */
261	geom_flags = XParseGeometry (str, &x, &y, &w, &h);	237	geom_flags = XParseGeometry (str, &x, &y, &w, &h);
262
263	if ((geom_flags & XValue) && !(geom_flags & YValue))
264	{
265	y = x;
266	geom_flags |= YValue;
267	}
268
269	if (flags & geometrySet)
270	{/* new geometry is an adjustment to the old one ! */
271	if ((geom_flags & WidthValue) && (geom_flags & HeightValue))
272	{
273	if (w == 0 && h != 0)
274	{
275	w = h_scale;
276	h = (v_scale * h) / 100;
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	}
293	else /* setting up geometry from scratch */
294	{
295	if (!(geom_flags & XValue))
296	{/* use default geometry - centered */
297	x = y = defaultAlign;
298	}
299	else if (!(geom_flags & YValue))
300	y = x;
301
302	if ((geom_flags & (WidthValue|HeightValue)) == 0)
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	}
314	} /* done parsing geometry string */	238	} /* done parsing geometry string */
315	else if (!(flags & geometrySet))	239
316	{ /* default geometry - scaled and centered */	240	if (!update)
		241	{
		242	if (!(geom_flags & XValue))
317	x = y = defaultAlign;	243	x = y = defaultAlign;
		244	else if (!(geom_flags & YValue))
		245	y = x;
		246
		247	if (!(geom_flags & (WidthValue|HeightValue)))
318	w = h = defaultScale;	248	w = h = defaultScale;
319	}	249	else if (!(geom_flags & HeightValue))
320		250	h = w;
321	if (!(flags & geometrySet))	251	else if (!(geom_flags & WidthValue))
		252	w = h;
		253
322	geom_flags |= WidthValue|HeightValue|XValue|YValue;	254	geom_flags |= WidthValue|HeightValue|XValue|YValue;
		255	}
323		256
324	if (ops)	257	if (ops)
325	{	258	{
326	while (*ops)	259	char **arr = rxvt_strsplit (':', ops + 1);
		260
		261	for (int i = 0; arr[i]; i++)
327	{	262	{
328	while (*ops == ':' || isspace(*ops)) ++ops;	263	if (!strcasecmp (arr[i], "tile"))
329	# define CHECK_GEOM_OPS(op_str) (strncasecmp (ops, (op_str), sizeof(op_str)-1) == 0)
330	if (CHECK_GEOM_OPS("tile"))
331	{	264	{
		265	new_flags |= BG_TILE;
332	w = h = 0;	266	w = h = noScale;
333	geom_flags |= WidthValue|HeightValue;	267	geom_flags |= WidthValue|HeightValue;
334	}	268	}
335	else if (CHECK_GEOM_OPS("propscale"))	269	else if (!strcasecmp (arr[i], "propscale"))
336	{	270	{
337	if (w == 0 && h == 0)	271	new_flags |= BG_PROP_SCALE;
338	{
339	w = 100;
340	geom_flags |= WidthValue;
341	}
342	new_flags |= propScale;
343	}	272	}
344	else if (CHECK_GEOM_OPS("hscale"))	273	else if (!strcasecmp (arr[i], "hscale"))
345	{	274	{
346	if (w == 0)	275	if (w == 0) w = windowScale;
347	w = 100;	276
348	h = 0;	277	h = noScale;
349	geom_flags |= WidthValue|HeightValue;	278	geom_flags |= WidthValue|HeightValue;
350	}	279	}
351	else if (CHECK_GEOM_OPS("vscale"))	280	else if (!strcasecmp (arr[i], "vscale"))
352	{	281	{
353	if (h == 0)	282	if (h == 0) h = windowScale;
354	h = 100;	283
355	w = 0;	284	w = noScale;
356	geom_flags |= WidthValue|HeightValue;	285	geom_flags |= WidthValue|HeightValue;
357	}	286	}
358	else if (CHECK_GEOM_OPS("scale"))	287	else if (!strcasecmp (arr[i], "scale"))
359	{	288	{
360	if (h == 0)	289	if (h == 0) h = windowScale;
361	h = 100;	290	if (w == 0) w = windowScale;
362	if (w == 0)	291
363	w = 100;
364	geom_flags |= WidthValue|HeightValue;	292	geom_flags |= WidthValue|HeightValue;
365	}	293	}
366	else if (CHECK_GEOM_OPS("auto"))	294	else if (!strcasecmp (arr[i], "auto"))
367	{	295	{
368	w = h = 100;	296	w = h = windowScale;
369	x = y = 50;	297	x = y = centerAlign;
370	geom_flags |= WidthValue|HeightValue|XValue|YValue;	298	geom_flags |= WidthValue|HeightValue|XValue|YValue;
371	}	299	}
372	# undef CHECK_GEOM_OPS	300	else if (!strcasecmp (arr[i], "root"))
373	while (*ops != ':' && *ops != '\0') ++ops;	301	{
		302	new_flags |= BG_TILE|BG_ROOT_ALIGN;
		303	w = h = noScale;
		304	geom_flags |= WidthValue|HeightValue;
		305	}
374	} /* done parsing ops */	306	} /* done parsing ops */
375	}
376		307
		308	rxvt_free_strsplit (arr);
		309	}
		310
377	if (check_set_scale_value (geom_flags, WidthValue, h_scale, w))	311	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))	312	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))	313	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))	314	if (check_set_align_value (geom_flags, YValue, v_align, y)) changed = true;
384	++changed;
385	}
386		315
387	if (new_flags != flags)	316	if (new_flags != bg_flags)
388	{	317	{
389	flags = new_flags;	318	bg_flags = new_flags;
390	changed++;	319	changed = true;
391	}	320	}
392	//fprintf( stderr, "flags = %lX, scale = %ux%u, align=%+d%+d\n",	321
393	// flags, h_scale, v_scale, h_align, v_align);
394	return (changed > 0);	322	return changed;
		323	}
		324
		325	void
		326	rxvt_term::get_image_geometry (int image_width, int image_height, int &w, int &h, int &x, int &y)
		327	{
		328	int target_width = szHint.width;
		329	int target_height = szHint.height;
		330
		331	if (bg_flags & BG_PROP_SCALE)
		332	{
		333	float scale = (float)target_width / image_width;
		334	min_it (scale, (float)target_height / image_height);
		335	w = image_width * scale + 0.5;
		336	h = image_height * scale + 0.5;
		337	}
		338	else
		339	{
		340	w = h_scale * target_width / 100;
		341	h = v_scale * target_height / 100;
		342	}
		343
		344	if (!w) w = image_width;
		345	if (!h) h = image_height;
		346
		347	if (bg_flags & BG_ROOT_ALIGN)
		348	{
		349	x = -target_x;
		350	y = -target_y;
		351	}
		352	else
		353	{
		354	x = make_align_position (h_align, target_width, w);
		355	y = make_align_position (v_align, target_height, h);
		356	}
		357
		358	bg_flags &= ~BG_IS_SIZE_SENSITIVE;
		359	if (!(bg_flags & BG_TILE)
		360	|| (bg_flags & BG_PROP_SCALE) || h_scale || v_scale
		361	|| (!(bg_flags & BG_ROOT_ALIGN) && (h_align || v_align))
		362	|| w > target_width || h > target_height)
		363	bg_flags |= BG_IS_SIZE_SENSITIVE;
395	}	364	}
396		365
397	# ifdef HAVE_AFTERIMAGE	366	# ifdef HAVE_AFTERIMAGE
398	bool	367	bool
399	bgPixmap_t::render_asim (ASImage *background, ARGB32 background_tint)	368	rxvt_term::render_image (unsigned long tr_flags)
400	{	369	{
401	if (target == NULL)	370	init_asv ();
402	return false;
403		371
404	int target_width = (int)target->szHint.width;	372	ASImage *background = NULL;
405	int target_height = (int)target->szHint.height;	373	ARGB32 background_tint = TINT_LEAVE_SAME;
406	int new_pmap_width = target_width, new_pmap_height = target_height;	374
		375	# ifdef ENABLE_TRANSPARENCY
		376	if (tr_flags)
		377	background = pixmap2ximage (asv, bg_pixmap, 0, 0, bg_pmap_width, bg_pmap_height, AllPlanes, 100);
		378
		379	if (tr_flags & BG_NEEDS_TINT)
		380	{
		381	ShadingInfo as_shade;
		382	as_shade.shading = shade;
		383
		384	rgba c (rgba::MAX_CC,rgba::MAX_CC,rgba::MAX_CC);
		385	if (bg_flags & BG_TINT_SET)
		386	tint.get (c);
		387	as_shade.tintColor.red = c.r;
		388	as_shade.tintColor.green = c.g;
		389	as_shade.tintColor.blue = c.b;
		390
		391	background_tint = shading2tint32 (&as_shade);
		392	}
		393
		394	if ((tr_flags & BG_NEEDS_BLUR) && background != NULL)
		395	{
		396	ASImage *tmp = blur_asimage_gauss (asv, background, h_blurRadius, v_blurRadius, 0xFFFFFFFF,
		397	(original_asim == NULL || tint == TINT_LEAVE_SAME) ? ASA_XImage : ASA_ASImage,
		398	100, ASIMAGE_QUALITY_DEFAULT);
		399	if (tmp)
		400	{
		401	destroy_asimage (&background);
		402	background = tmp;
		403	}
		404	}
		405	# endif
		406
407	ASImage *result = NULL;	407	ASImage *result = 0;
		408
		409	int target_width = szHint.width;
		410	int target_height = szHint.height;
		411	int new_pmap_width = target_width;
		412	int new_pmap_height = target_height;
408		413
409	int x = 0;	414	int x = 0;
410	int y = 0;	415	int y = 0;
411	int w = h_scale * target_width / 100;	416	int w = 0;
412	int h = v_scale * target_height / 100;	417	int h = 0;
413
414	TIMING_TEST_START (asim);
415		418
416	if (original_asim)	419	if (original_asim)
417	{	420	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		421
422	if (original_asim == NULL	422	if (!original_asim
		423	|| (!(bg_flags & BG_ROOT_ALIGN)
423	|| x >= target_width	424	&& (x >= target_width
424	|| y >= target_height	425	|| y >= target_height
425	|| (w > 0 && x + w <= 0)	426	|| (x + w <= 0)
426	|| (h > 0 && y + h <= 0))	427	|| (y + h <= 0))))
427	{	428	{
428	if (background)	429	if (background)
429	{	430	{
430	new_pmap_width = background->width;	431	new_pmap_width = background->width;
431	new_pmap_height = background->height;	432	new_pmap_height = background->height;
432	result = background;	433	result = background;
		434
433	if (background_tint != TINT_LEAVE_SAME)	435	if (background_tint != TINT_LEAVE_SAME)
434	{	436	{
435	ASImage* tmp = tile_asimage (target->asv, background, 0, 0,	437	ASImage *tmp = tile_asimage (asv, background, 0, 0,
436	target_width, target_height, background_tint,	438	target_width, target_height, background_tint,
437	ASA_XImage, 100, ASIMAGE_QUALITY_DEFAULT);	439	ASA_XImage, 100, ASIMAGE_QUALITY_DEFAULT);
438	if (tmp)	440	if (tmp)
439	result = tmp;	441	result = tmp;
440	}	442	}
…		…
443	new_pmap_width = new_pmap_height = 0;	445	new_pmap_width = new_pmap_height = 0;
444	}	446	}
445	else	447	else
446	{	448	{
447	result = original_asim;	449	result = original_asim;
		450
448	if ((w > 0 && w != original_asim->width)	451	if ((w != original_asim->width)
449	|| (h > 0 && h != original_asim->height))	452	|| (h != original_asim->height))
450	{	453	{
451	result = scale_asimage (target->asv, original_asim,	454	result = scale_asimage (asv, original_asim,
452	w > 0 ? w : original_asim->width,	455	w, h,
453	h > 0 ? h : original_asim->height,
454	background ? ASA_ASImage : ASA_XImage,	456	background ? ASA_ASImage : ASA_XImage,
455	100, ASIMAGE_QUALITY_DEFAULT);	457	100, ASIMAGE_QUALITY_DEFAULT);
456	}	458	}
		459
457	if (background == NULL)	460	if (background == NULL)
		461	{
		462	if (bg_flags & BG_TILE)
		463	{
458	{/* if tiling - pixmap has to be sized exactly as the image */	464	/* if tiling - pixmap has to be sized exactly as the image,
459	if (h_scale == 0)	465	but there is no need to make it bigger than the window! */
460	new_pmap_width = result->width;	466	new_pmap_width = min (result->width, target_width);
461	if (v_scale == 0)
462	new_pmap_height = result->height;	467	new_pmap_height = min (result->height, target_height);
		468
463	/* we also need to tile our image in one or both directions */	469	/* we also need to tile our image in both directions */
464	if (h_scale == 0 || v_scale == 0)
465	{
466	ASImage *tmp = tile_asimage (target->asv, result,	470	ASImage *tmp = tile_asimage (asv, result,
467	(h_scale > 0) ? 0 : (int)result->width - x,	471	(int)result->width - x,
468	(v_scale > 0) ? 0 : (int)result->height - y,	472	(int)result->height - y,
		473	new_pmap_width,
469	result->width, result->height,	474	new_pmap_height,
470	TINT_LEAVE_SAME, ASA_XImage,	475	TINT_LEAVE_SAME, ASA_XImage,
471	100, ASIMAGE_QUALITY_DEFAULT);	476	100, ASIMAGE_QUALITY_DEFAULT);
472	if (tmp)	477	if (tmp)
473	{	478	{
474	if (result != original_asim)	479	if (result != original_asim)
475	destroy_asimage (&result);	480	destroy_asimage (&result);
		481
476	result = tmp;	482	result = tmp;
477	}	483	}
478	}	484	}
479	}	485	}
480	else	486	else
		487	{
481	{/* if blending background and image - pixmap has to be sized same as target window */	488	/* if blending background and image - pixmap has to be sized same as target window */
482	ASImageLayer *layers = create_image_layers (2);	489	ASImageLayer *layers = create_image_layers (2);
483	ASImage *merged_im = NULL;
484		490
485	layers[0].im = background;	491	layers[0].im = background;
486	layers[0].clip_width = target_width;	492	layers[0].clip_width = target_width;
487	layers[0].clip_height = target_height;	493	layers[0].clip_height = target_height;
488	layers[0].tint = background_tint;	494	layers[0].tint = background_tint;
489	layers[1].im = result;	495	layers[1].im = result;
490	if (w <= 0)	496
		497	if (bg_flags & BG_TILE)
		498	{
491	{/* tile horizontally */	499	/* tile horizontally */
492	while (x > 0) x -= (int)result->width;	500	while (x > 0) x -= (int)result->width;
493	layers[1].dst_x = x;	501	layers[1].dst_x = x;
494	layers[1].clip_width = result->width+target_width;	502	layers[1].clip_width = result->width+target_width;
495	}	503	}
496	else	504	else
		505	{
497	{/* clip horizontally */	506	/* clip horizontally */
498	layers[1].dst_x = x;	507	layers[1].dst_x = x;
499	layers[1].clip_width = result->width;	508	layers[1].clip_width = result->width;
500	}	509	}
501	if (h <= 0)	510
		511	if (bg_flags & BG_TILE)
502	{	512	{
503	while (y > 0) y -= (int)result->height;	513	while (y > 0) y -= (int)result->height;
504	layers[1].dst_y = y;	514	layers[1].dst_y = y;
505	layers[1].clip_height = result->height + target_height;	515	layers[1].clip_height = result->height + target_height;
506	}	516	}
507	else	517	else
508	{	518	{
509	layers[1].dst_y = y;	519	layers[1].dst_y = y;
510	layers[1].clip_height = result->height;	520	layers[1].clip_height = result->height;
511	}	521	}
		522
512	if (target->rs[Rs_blendtype])	523	if (rs[Rs_blendtype])
513	{	524	{
514	layers[1].merge_scanlines = blend_scanlines_name2func (target->rs[Rs_blendtype]);	525	layers[1].merge_scanlines = blend_scanlines_name2func (rs[Rs_blendtype]);
515	if (layers[1].merge_scanlines == NULL)	526	if (layers[1].merge_scanlines == NULL)
516	layers[1].merge_scanlines = alphablend_scanlines;	527	layers[1].merge_scanlines = alphablend_scanlines;
517	}	528	}
		529
518	ASImage *tmp = merge_layers (target->asv, layers, 2, target_width, target_height,	530	ASImage *tmp = merge_layers (asv, layers, 2, target_width, target_height,
519	ASA_XImage, 0, ASIMAGE_QUALITY_DEFAULT);	531	ASA_XImage, 0, ASIMAGE_QUALITY_DEFAULT);
		532
520	if (tmp)	533	if (tmp)
521	{	534	{
522	if (result != original_asim)	535	if (result != original_asim)
523	destroy_asimage (&result);	536	destroy_asimage (&result);
		537
524	result = tmp;	538	result = tmp;
525	}	539	}
		540
526	free (layers);	541	free (layers);
527	}	542	}
528	}	543	}
529	TIMING_TEST_PRINT_RESULT (asim);
530		544
531	if (pixmap)	545	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		546
543	if (result)	547	if (result)
544	{	548	{
545	XGCValues gcv;	549	XGCValues gcv;
546	GC gc;	550	GC gc;
547		551
548	/* create Pixmap */	552	/* create Pixmap */
549	if (pixmap == None)	553	if (bg_pixmap == None
		554	|| bg_pmap_width != new_pmap_width
		555	|| bg_pmap_height != new_pmap_height)
550	{	556	{
		557	if (bg_pixmap)
		558	XFreePixmap (dpy, bg_pixmap);
551	pixmap = XCreatePixmap (target->dpy, target->vt, new_pmap_width, new_pmap_height, target->depth);	559	bg_pixmap = XCreatePixmap (dpy, vt, new_pmap_width, new_pmap_height, depth);
552	pmap_width = new_pmap_width;	560	bg_pmap_width = new_pmap_width;
553	pmap_height = new_pmap_height;	561	bg_pmap_height = new_pmap_height;
554	pmap_depth = target->depth;
555	}	562	}
556	/* fill with background color ( if result's not completely overlapping it)*/	563	/* fill with background color (if result's not completely overlapping it) */
557	gcv.foreground = target->pix_colors[Color_bg];	564	gcv.foreground = pix_colors[Color_bg];
558	gc = XCreateGC (target->dpy, target->vt, GCForeground, &gcv);	565	gc = XCreateGC (dpy, vt, GCForeground, &gcv);
559		566
560	int src_x = 0, src_y = 0, dst_x = 0, dst_y = 0;	567	int src_x = 0, src_y = 0, dst_x = 0, dst_y = 0;
561	int dst_width = result->width, dst_height = result->height;	568	int dst_width = result->width, dst_height = result->height;
562	if (background == NULL)	569	if (background == NULL)
563	{	570	{
564	if (h_scale > 0)	571	if (!(bg_flags & BG_TILE))
		572	{
565	src_x = make_clip_rectangle (x, result->width, new_pmap_width, dst_x, dst_width);	573	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);	574	src_y = make_clip_rectangle (y, result->height, new_pmap_height, dst_y, dst_height);
		575	}
568		576
569	if (dst_x > 0 || dst_y > 0	577	if (dst_x > 0 || dst_y > 0
570	|| dst_x + dst_width < new_pmap_width	578	|| dst_x + dst_width < new_pmap_width
571	|| dst_y + dst_height < new_pmap_height)	579	|| dst_y + dst_height < new_pmap_height)
572	{
573	XFillRectangle (target->dpy, pixmap, gc, 0, 0, new_pmap_width, new_pmap_height);	580	XFillRectangle (dpy, bg_pixmap, gc, 0, 0, new_pmap_width, new_pmap_height);
574	}
575	}	581	}
576		582
577	/* put result on pixmap */	583	/* put result on pixmap */
578	if (dst_x < new_pmap_width && dst_y < new_pmap_height)	584	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);	585	asimage2drawable (asv, bg_pixmap, result, gc, src_x, src_y, dst_x, dst_y, dst_width, dst_height, True);
580		586
581	if (result != background && result != original_asim)	587	if (result != background && result != original_asim)
582	destroy_asimage (&result);	588	destroy_asimage (&result);
583		589
584	XFreeGC (target->dpy, gc);	590	XFreeGC (dpy, gc);
585	TIMING_TEST_PRINT_RESULT (asim);	591
		592	ret = true;
		593	}
		594
		595	if (background)
		596	destroy_asimage (&background);
		597
		598	return ret;
		599	}
		600	# endif /* HAVE_AFTERIMAGE */
		601
		602	# ifdef HAVE_PIXBUF
		603	bool
		604	rxvt_term::pixbuf_to_pixmap (GdkPixbuf *pixbuf, Pixmap pixmap, GC gc,
		605	int src_x, int src_y, int dst_x, int dst_y,
		606	unsigned int width, unsigned int height)
		607	{
		608	XImage *ximage;
		609	char *data, *line;
		610	int bytes_per_pixel;
		611	int width_r, width_g, width_b;
		612	int sh_r, sh_g, sh_b;
		613	int rowstride;
		614	int channels;
		615	unsigned char *row;
		616
		617	if (visual->c_class != TrueColor)
		618	return false;
		619
		620	if (depth == 24 || depth == 32)
		621	bytes_per_pixel = 4;
		622	else if (depth == 15 || depth == 16)
		623	bytes_per_pixel = 2;
		624	else
		625	return false;
		626
		627	width_r = ecb_popcount32 (visual->red_mask);
		628	width_g = ecb_popcount32 (visual->green_mask);
		629	width_b = ecb_popcount32 (visual->blue_mask);
		630
		631	if (width_r > 8 || width_g > 8 || width_b > 8)
		632	return false;
		633
		634	sh_r = ecb_ctz32 (visual->red_mask);
		635	sh_g = ecb_ctz32 (visual->green_mask);
		636	sh_b = ecb_ctz32 (visual->blue_mask);
		637
		638	if (width > INT_MAX / height / bytes_per_pixel)
		639	return false;
		640
		641	data = (char *)malloc (width * height * bytes_per_pixel);
		642	if (!data)
		643	return false;
		644
		645	ximage = XCreateImage (dpy, visual, depth, ZPixmap, 0, data,
		646	width, height, bytes_per_pixel * 8, 0);
		647	if (!ximage)
586	}	648	{
		649	free (data);
		650	return false;
		651	}
587		652
		653	ximage->byte_order = ecb_big_endian () ? MSBFirst : LSBFirst;
		654
		655	rowstride = gdk_pixbuf_get_rowstride (pixbuf);
		656	channels = gdk_pixbuf_get_n_channels (pixbuf);
		657	row = gdk_pixbuf_get_pixels (pixbuf) + src_y * rowstride + src_x * channels;
		658	line = data;
		659
		660	for (int y = 0; y < height; y++)
		661	{
		662	for (int x = 0; x < width; x++)
		663	{
		664	unsigned char *pixel = row + x * channels;
		665	uint32_t value;
		666
		667	value = ((pixel[0] >> (8 - width_r)) << sh_r)
		668	| ((pixel[1] >> (8 - width_g)) << sh_g)
		669	| ((pixel[2] >> (8 - width_b)) << sh_b);
		670
		671	if (bytes_per_pixel == 4)
		672	((uint32_t *)line)[x] = value;
		673	else
		674	((uint16_t *)line)[x] = value;
		675	}
		676
		677	row += rowstride;
		678	line += ximage->bytes_per_line;
		679	}
		680
		681	XPutImage (dpy, pixmap, gc, ximage, 0, 0, dst_x, dst_y, width, height);
		682	XDestroyImage (ximage);
588	return true;	683	return true;
589	}	684	}
590	# endif /* HAVE_AFTERIMAGE */
591		685
592	bool	686	bool
593	bgPixmap_t::set_file (const char *file)	687	rxvt_term::render_image (unsigned long tr_flags)
594	{	688	{
595	char *f;	689	if (!pixbuf)
		690	return false;
596		691
597	assert (file != NULL);	692	if (tr_flags
		693	&& !(bg_flags & BG_HAS_RENDER))
		694	return false;
598		695
599	if (*file != '\0')	696	GdkPixbuf *result;
		697
		698	int image_width = gdk_pixbuf_get_width (pixbuf);
		699	int image_height = gdk_pixbuf_get_height (pixbuf);
		700
		701	int target_width = szHint.width;
		702	int target_height = szHint.height;
		703	int new_pmap_width = target_width;
		704	int new_pmap_height = target_height;
		705
		706	int x = 0;
		707	int y = 0;
		708	int w = 0;
		709	int h = 0;
		710
		711	get_image_geometry (image_width, image_height, w, h, x, y);
		712
		713	if (!(bg_flags & BG_ROOT_ALIGN)
		714	&& (x >= target_width
		715	|| y >= target_height
		716	|| (x + w <= 0)
		717	|| (y + h <= 0)))
		718	return false;
		719
		720	result = pixbuf;
		721
		722	if ((w != image_width)
		723	|| (h != image_height))
		724	{
		725	result = gdk_pixbuf_scale_simple (pixbuf,
		726	w, h,
		727	GDK_INTERP_BILINEAR);
600	{	728	}
		729
		730	if (!result)
		731	return false;
		732
		733	bool ret = false;
		734
		735	XGCValues gcv;
		736	GC gc;
		737	Pixmap root_pmap;
		738
		739	image_width = gdk_pixbuf_get_width (result);
		740	image_height = gdk_pixbuf_get_height (result);
		741
		742	if (tr_flags)
		743	{
		744	root_pmap = bg_pixmap;
		745	bg_pixmap = None;
		746	}
		747	else
		748	{
		749	if (bg_flags & BG_TILE)
		750	{
		751	new_pmap_width = min (image_width, target_width);
		752	new_pmap_height = min (image_height, target_height);
		753	}
		754	}
		755
		756	if (bg_pixmap == None
		757	|| bg_pmap_width != new_pmap_width
		758	|| bg_pmap_height != new_pmap_height)
		759	{
		760	if (bg_pixmap)
		761	XFreePixmap (dpy, bg_pixmap);
		762	bg_pixmap = XCreatePixmap (dpy, vt, new_pmap_width, new_pmap_height, depth);
		763	bg_pmap_width = new_pmap_width;
		764	bg_pmap_height = new_pmap_height;
		765	}
		766
		767	gcv.foreground = pix_colors[Color_bg];
		768	gc = XCreateGC (dpy, vt, GCForeground, &gcv);
		769
		770	if (gc)
		771	{
		772	if (bg_flags & BG_TILE)
		773	{
		774	Pixmap tile = XCreatePixmap (dpy, vt, image_width, image_height, depth);
		775	pixbuf_to_pixmap (result, tile, gc,
		776	0, 0,
		777	0, 0,
		778	image_width, image_height);
		779
		780	gcv.tile = tile;
		781	gcv.fill_style = FillTiled;
		782	gcv.ts_x_origin = x;
		783	gcv.ts_y_origin = y;
		784	XChangeGC (dpy, gc, GCFillStyle | GCTile | GCTileStipXOrigin | GCTileStipYOrigin, &gcv);
		785
		786	XFillRectangle (dpy, bg_pixmap, gc, 0, 0, new_pmap_width, new_pmap_height);
		787	XFreePixmap (dpy, tile);
		788	}
		789	else
		790	{
		791	int src_x, src_y, dst_x, dst_y;
		792	int dst_width, dst_height;
		793
		794	src_x = make_clip_rectangle (x, image_width , new_pmap_width , dst_x, dst_width );
		795	src_y = make_clip_rectangle (y, image_height, new_pmap_height, dst_y, dst_height);
		796
		797	if (dst_x > 0 || dst_y > 0
		798	|| dst_x + dst_width < new_pmap_width
		799	|| dst_y + dst_height < new_pmap_height)
		800	XFillRectangle (dpy, bg_pixmap, gc, 0, 0, new_pmap_width, new_pmap_height);
		801
		802	if (dst_x < new_pmap_width && dst_y < new_pmap_height)
		803	pixbuf_to_pixmap (result, bg_pixmap, gc,
		804	src_x, src_y,
		805	dst_x, dst_y,
		806	dst_width, dst_height);
		807	}
		808
		809	#if XRENDER
		810	if (tr_flags)
		811	{
		812	XRenderPictureAttributes pa;
		813
		814	XRenderPictFormat *src_format = XRenderFindVisualFormat (dpy, visual);
		815	Picture src = XRenderCreatePicture (dpy, root_pmap, src_format, 0, &pa);
		816
		817	XRenderPictFormat *dst_format = XRenderFindVisualFormat (dpy, visual);
		818	Picture dst = XRenderCreatePicture (dpy, bg_pixmap, dst_format, 0, &pa);
		819
		820	pa.repeat = True;
		821	Pixmap mask_pmap = XCreatePixmap (dpy, vt, 1, 1, 8);
		822	XRenderPictFormat *mask_format = XRenderFindStandardFormat (dpy, PictStandardA8);
		823	Picture mask = XRenderCreatePicture (dpy, mask_pmap, mask_format, CPRepeat, &pa);
		824	XFreePixmap (dpy, mask_pmap);
		825
		826	XRenderColor mask_c;
		827
		828	mask_c.alpha = 0x8000;
		829	mask_c.red = 0;
		830	mask_c.green = 0;
		831	mask_c.blue = 0;
		832	XRenderFillRectangle (dpy, PictOpSrc, mask, &mask_c, 0, 0, 1, 1);
		833	XRenderComposite (dpy, PictOpOver, src, mask, dst, 0, 0, 0, 0, 0, 0, target_width, target_height);
		834
		835	XRenderFreePicture (dpy, src);
		836	XRenderFreePicture (dpy, dst);
		837	XRenderFreePicture (dpy, mask);
		838	}
		839	#endif
		840
		841	XFreeGC (dpy, gc);
		842
		843	ret = true;
		844	}
		845
		846	if (result != pixbuf)
		847	g_object_unref (result);
		848
		849	if (tr_flags)
		850	XFreePixmap (dpy, root_pmap);
		851
		852	return ret;
		853	}
		854	# endif /* HAVE_PIXBUF */
		855
		856	bool
		857	rxvt_term::bg_set_file (const char *file)
		858	{
		859	if (!file || !*file)
		860	return false;
		861
		862	if (const char *p = strchr (file, ';'))
		863	{
		864	size_t len = p - file;
		865	char *f = rxvt_temp_buf<char> (len + 1);
		866	memcpy (f, file, len);
		867	f[len] = '\0';
		868	file = f;
		869	}
		870
601	# ifdef HAVE_AFTERIMAGE	871	# ifdef HAVE_AFTERIMAGE
602	if (target->asimman == NULL)	872	if (!asimman)
603	target->asimman = create_generic_imageman (target->rs[Rs_path]);	873	asimman = create_generic_imageman (rs[Rs_path]);
604	if ((f = strchr (file, ';')) == NULL)
605	original_asim = get_asimage (target->asimman, file, 0xFFFFFFFF, 100);	874	ASImage *image = get_asimage (asimman, file, 0xFFFFFFFF, 100);
606	else	875	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	}	876	{
		877	if (original_asim)
		878	safe_asimage_destroy (original_asim);
		879	original_asim = image;
		880	bg_flags |= BG_IS_FROM_FILE | BG_CLIENT_RENDER;
		881	return true;
		882	}
		883	# endif
		884
		885	# ifdef HAVE_PIXBUF
		886	GdkPixbuf *image = gdk_pixbuf_new_from_file (file, NULL);
		887	if (image)
		888	{
		889	if (pixbuf)
		890	g_object_unref (pixbuf);
		891	pixbuf = image;
		892	bg_flags |= BG_IS_FROM_FILE;
		893	return true;
		894	}
		895	# endif
		896
618	return false;	897	return false;
619	}	898	}
620		899
621	# endif /* BG_IMAGE_FROM_FILE */	900	# endif /* BG_IMAGE_FROM_FILE */
622		901
623	# ifdef ENABLE_TRANSPARENCY	902	# ifdef ENABLE_TRANSPARENCY
624	bool	903	bool
625	bgPixmap_t::set_transparent ()	904	rxvt_term::bg_set_transparent ()
626	{	905	{
627	if (!(flags & isTransparent))	906	if (!(bg_flags & BG_IS_TRANSPARENT))
628	{	907	{
629	flags |= isTransparent;	908	bg_flags |= BG_IS_TRANSPARENT;
630	return true;	909	return true;
631	}	910	}
		911
632	return false;	912	return false;
633	}	913	}
634		914
635	bool	915	bool
636	bgPixmap_t::set_blur_radius (const char *geom)	916	rxvt_term::bg_set_blur (const char *geom)
637	{	917	{
638	int changed = 0;	918	bool changed = false;
639	unsigned int hr, vr;	919	unsigned int hr, vr;
640	int junk;	920	int junk;
641	int geom_flags = XParseGeometry (geom, &junk, &junk, &hr, &vr);	921	int geom_flags = XParseGeometry (geom, &junk, &junk, &hr, &vr);
642		922
643	if (!(geom_flags&WidthValue))	923	if (!(geom_flags & WidthValue))
644	hr = 1;	924	hr = 1;
645	if (!(geom_flags&HeightValue))	925	if (!(geom_flags & HeightValue))
646	vr = hr;	926	vr = hr;
647		927
		928	min_it (hr, 128);
		929	min_it (vr, 128);
		930
648	if (h_blurRadius != hr)	931	if (h_blurRadius != hr)
649	{	932	{
650	++changed;	933	changed = true;
651	h_blurRadius = hr;	934	h_blurRadius = hr;
652	}	935	}
653		936
654	if (v_blurRadius != vr)	937	if (v_blurRadius != vr)
655	{	938	{
656	++changed;	939	changed = true;
657	v_blurRadius = vr;	940	v_blurRadius = vr;
658	}	941	}
659		942
660	if (v_blurRadius == 0 && h_blurRadius == 0)	943	if (v_blurRadius == 0 && h_blurRadius == 0)
661	flags &= ~blurNeeded;	944	bg_flags &= ~BG_NEEDS_BLUR;
662	else	945	else
663	flags |= blurNeeded;	946	bg_flags |= BG_NEEDS_BLUR;
664		947
665	return (changed>0);	948	return changed;
666	}	949	}
667		950
668	static inline unsigned long	951	void
669	compute_tint_shade_flags (rxvt_color *tint, int shade)	952	rxvt_term::set_tint_shade_flags ()
670	{	953	{
671	unsigned long flags = 0;
672	rgba c (rgba::MAX_CC,rgba::MAX_CC,rgba::MAX_CC);	954	rgba c (rgba::MAX_CC,rgba::MAX_CC,rgba::MAX_CC);
673	bool has_shade = (shade > 0 && shade < 100) || (shade > 100 && shade < 200);	955	bool has_shade = shade != 100;
674		956
675	if (tint)	957	bg_flags &= ~BG_TINT_FLAGS;
		958
		959	if (bg_flags & BG_TINT_SET)
676	{	960	{
677	tint->get (c);	961	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)	962	if (!has_shade
687	flags |= bgPixmap_t::tintNeeded;	963	&& (c.r <= 0x00ff || c.r >= 0xff00)
688	else if (tint)	964	&& (c.g <= 0x00ff || c.g >= 0xff00)
689	{	965	&& (c.b <= 0x00ff || c.b >= 0xff00))
690	if ((c.r > 0x000700 || c.g > 0x000700 || c.b > 0x000700)	966	bg_flags |= BG_TINT_BITAND;
691	&& (c.r < 0x00f700 || c.g < 0x00f700 || c.b < 0x00f700))
692	{
693	flags |= bgPixmap_t::tintNeeded;
694	}
695	}
696		967	}
697	if (flags & bgPixmap_t::tintNeeded)	968
		969	if (has_shade || (bg_flags & BG_TINT_SET))
		970	bg_flags |= BG_NEEDS_TINT;
		971	}
		972
		973	bool
		974	rxvt_term::bg_set_tint (rxvt_color &new_tint)
		975	{
		976	if (!(bg_flags & BG_TINT_SET) || tint != new_tint)
		977	{
		978	tint = new_tint;
		979	bg_flags |= BG_TINT_SET;
		980	set_tint_shade_flags ();
		981	return true;
698	{	982	}
699	if (flags & bgPixmap_t::tintWholesome)	983
700	flags |= bgPixmap_t::tintServerSide;	984	return false;
		985	}
		986
		987	bool
		988	rxvt_term::bg_set_shade (const char *shade_str)
		989	{
		990	int new_shade = (shade_str) ? atoi (shade_str) : 100;
		991
		992	clamp_it (new_shade, -100, 200);
		993	if (new_shade < 0)
		994	new_shade = 200 - (100 + new_shade);
		995
		996	if (new_shade != shade)
		997	{
		998	shade = new_shade;
		999	set_tint_shade_flags ();
		1000	return true;
		1001	}
		1002
		1003	return false;
		1004	}
		1005
		1006	#if XRENDER
		1007	static void
		1008	get_gaussian_kernel (int radius, int width, double *kernel, XFixed *params)
		1009	{
		1010	double sigma = radius / 2.0;
		1011	double scale = sqrt (2.0 * M_PI) * sigma;
		1012	double sum = 0.0;
		1013
		1014	for (int i = 0; i < width; i++)
		1015	{
		1016	double x = i - width / 2;
		1017	kernel[i] = exp (-(x * x) / (2.0 * sigma * sigma)) / scale;
		1018	sum += kernel[i];
		1019	}
		1020
		1021	params[0] = XDoubleToFixed (width);
		1022	params[1] = XDoubleToFixed (1);
		1023
		1024	for (int i = 0; i < width; i++)
		1025	params[i+2] = XDoubleToFixed (kernel[i] / sum);
		1026	}
		1027	#endif
		1028
		1029	bool
		1030	rxvt_term::blur_pixmap (Pixmap pixmap, Visual *visual, int width, int height)
		1031	{
		1032	bool ret = false;
		1033	#if XRENDER
		1034	int size = max (h_blurRadius, v_blurRadius) * 2 + 1;
		1035	double *kernel = (double *)malloc (size * sizeof (double));
		1036	XFixed *params = (XFixed *)malloc ((size + 2) * sizeof (XFixed));
		1037
		1038	XRenderPictureAttributes pa;
		1039	XRenderPictFormat *format = XRenderFindVisualFormat (dpy, visual);
		1040
		1041	Picture src = XRenderCreatePicture (dpy, pixmap, format, 0, &pa);
		1042	Picture dst = XRenderCreatePicture (dpy, pixmap, format, 0, &pa);
		1043
		1044	if (kernel && params)
		1045	{
		1046	if (h_blurRadius)
		1047	{
		1048	size = h_blurRadius * 2 + 1;
		1049	get_gaussian_kernel (h_blurRadius, size, kernel, params);
		1050
		1051	XRenderSetPictureFilter (dpy, src, FilterConvolution, params, size+2);
		1052	XRenderComposite (dpy,
		1053	PictOpSrc,
		1054	src,
		1055	None,
		1056	dst,
		1057	0, 0,
		1058	0, 0,
		1059	0, 0,
		1060	width, height);
		1061	}
		1062
		1063	if (v_blurRadius)
		1064	{
		1065	size = v_blurRadius * 2 + 1;
		1066	get_gaussian_kernel (v_blurRadius, size, kernel, params);
		1067	::swap (params[0], params[1]);
		1068
		1069	XRenderSetPictureFilter (dpy, src, FilterConvolution, params, size+2);
		1070	XRenderComposite (dpy,
		1071	PictOpSrc,
		1072	src,
		1073	None,
		1074	dst,
		1075	0, 0,
		1076	0, 0,
		1077	0, 0,
		1078	width, height);
		1079	}
		1080
		1081	ret = true;
		1082	}
		1083
		1084	free (kernel);
		1085	free (params);
		1086	XRenderFreePicture (dpy, src);
		1087	XRenderFreePicture (dpy, dst);
		1088	#endif
		1089	return ret;
		1090	}
		1091
		1092	bool
		1093	rxvt_term::tint_pixmap (Pixmap pixmap, Visual *visual, int width, int height)
		1094	{
		1095	bool ret = false;
		1096
		1097	if (bg_flags & BG_TINT_BITAND)
		1098	{
		1099	XGCValues gcv;
		1100	GC gc;
		1101
		1102	/* In this case we can tint image server-side getting significant
		1103	* performance improvements, as we eliminate XImage transfer
		1104	*/
		1105	gcv.foreground = Pixel (tint);
		1106	gcv.function = GXand;
		1107	gcv.fill_style = FillSolid;
		1108	gc = XCreateGC (dpy, pixmap, GCFillStyle | GCForeground | GCFunction, &gcv);
		1109	if (gc)
		1110	{
		1111	XFillRectangle (dpy, pixmap, gc, 0, 0, width, height);
		1112	ret = true;
		1113	XFreeGC (dpy, gc);
		1114	}
		1115	}
		1116	else
		1117	{
		1118	# if XRENDER
		1119	rgba c (rgba::MAX_CC, rgba::MAX_CC, rgba::MAX_CC);
		1120
		1121	if (bg_flags & BG_TINT_SET)
		1122	tint.get (c);
		1123
		1124	if (shade <= 100)
		1125	{
		1126	c.r = c.r * shade / 100;
		1127	c.g = c.g * shade / 100;
		1128	c.b = c.b * shade / 100;
		1129	}
701	else	1130	else
702	{	1131	{
703	#if XFT	1132	c.r = c.r * (200 - shade) / 100;
704	flags |= bgPixmap_t::tintServerSide;	1133	c.g = c.g * (200 - shade) / 100;
705	#endif	1134	c.b = c.b * (200 - shade) / 100;
		1135	}
		1136
		1137	XRenderPictFormat *solid_format = XRenderFindStandardFormat (dpy, PictStandardARGB32);
		1138	XRenderPictFormat *format = XRenderFindVisualFormat (dpy, visual);
		1139	XRenderPictureAttributes pa;
		1140
		1141	Picture back_pic = XRenderCreatePicture (dpy, pixmap, format, 0, &pa);
		1142
		1143	pa.repeat = True;
		1144
		1145	Pixmap overlay_pmap = XCreatePixmap (dpy, pixmap, 1, 1, 32);
		1146	Picture overlay_pic = XRenderCreatePicture (dpy, overlay_pmap, solid_format, CPRepeat, &pa);
		1147	XFreePixmap (dpy, overlay_pmap);
		1148
		1149	pa.component_alpha = True;
		1150	Pixmap mask_pmap = XCreatePixmap (dpy, pixmap, 1, 1, 32);
		1151	Picture mask_pic = XRenderCreatePicture (dpy, mask_pmap, solid_format, CPRepeat | CPComponentAlpha, &pa);
		1152	XFreePixmap (dpy, mask_pmap);
		1153
		1154	XRenderColor mask_c;
		1155
		1156	mask_c.alpha = 0xffff;
		1157	mask_c.red =
		1158	mask_c.green =
		1159	mask_c.blue = 0;
		1160	XRenderFillRectangle (dpy, PictOpSrc, overlay_pic, &mask_c, 0, 0, 1, 1);
		1161
		1162	mask_c.alpha = 0;
		1163	mask_c.red = 0xffff - c.r;
		1164	mask_c.green = 0xffff - c.g;
		1165	mask_c.blue = 0xffff - c.b;
		1166	XRenderFillRectangle (dpy, PictOpSrc, mask_pic, &mask_c, 0, 0, 1, 1);
		1167	XRenderComposite (dpy, PictOpOver, overlay_pic, mask_pic, back_pic, 0, 0, 0, 0, 0, 0, width, height);
		1168
		1169	if (shade > 100)
706	}	1170	{
707	}	1171	mask_c.red = mask_c.green = mask_c.blue = 0xffff * (shade - 100) / 100;
		1172	mask_c.alpha = 0;
		1173	XRenderFillRectangle (dpy, PictOpSrc, overlay_pic, &mask_c, 0, 0, 1, 1);
708		1174
709	return flags;	1175	XRenderComposite (dpy, PictOpOver, overlay_pic, None, back_pic, 0, 0, 0, 0, 0, 0, width, height);
710	}	1176	}
711		1177
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;	1178	ret = true;
721	}
722	return false;
723	}
724		1179
725	bool	1180	XRenderFreePicture (dpy, mask_pic);
726	bgPixmap_t::unset_tint ()	1181	XRenderFreePicture (dpy, overlay_pic);
727	{	1182	XRenderFreePicture (dpy, back_pic);
728	unsigned long new_flags = compute_tint_shade_flags (NULL, shade);	1183	# endif
729
730	if (new_flags != (flags & tintFlags))
731	{	1184	}
732	flags = (flags&~tintFlags)|new_flags;	1185
733	return true;
734	}
735	return false;	1186	return ret;
736	}	1187	}
737		1188
738	bool	1189	/*
739	bgPixmap_t::set_shade (const char *shade_str)	1190	* 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	1191	* the tiled portion of the root pixmap that is supposed to be covered by
759	* our window.	1192	* our window.
760	*/	1193	*/
761	unsigned long	1194	unsigned long
762	bgPixmap_t::make_transparency_pixmap ()	1195	rxvt_term::make_transparency_pixmap ()
763	{	1196	{
764	unsigned long result = 0;	1197	unsigned long result = 0;
765		1198
766	if (target == NULL)
767	return 0;
768
769	/* root dimentions may change from call to call - but Display structure should	1199	/* root dimensions may change from call to call - but Display structure should
770	* be always up-to-date, so let's use it :	1200	* be always up-to-date, so let's use it :
771	*/	1201	*/
772	Window root = target->display->root;
773	int screen = target->display->screen;	1202	int screen = display->screen;
774	Display *dpy = target->dpy;	1203	int root_depth = DefaultDepth (dpy, screen);
775	int root_width = DisplayWidth (dpy, screen);	1204	int root_width = DisplayWidth (dpy, screen);
776	int root_height = DisplayHeight (dpy, screen);	1205	int root_height = DisplayHeight (dpy, screen);
777	unsigned int root_pmap_width, root_pmap_height;	1206	unsigned int root_pmap_width, root_pmap_height;
778	int window_width = target->szHint.width;	1207	int window_width = szHint.width;
779	int window_height = target->szHint.height;	1208	int window_height = szHint.height;
780	int sx, sy;	1209	int sx, sy;
781	XGCValues gcv;	1210	XGCValues gcv;
		1211	GC gc;
782		1212
783	TIMING_TEST_START (tp);	1213	sx = target_x;
784	target->get_window_origin (sx, sy);	1214	sy = target_y;
785		1215
786	/* check if we are outside of the visible part of the virtual screen : */	1216	/* check if we are outside of the visible part of the virtual screen : */
787	if (sx + window_width <= 0 || sy + window_height <= 0	1217	if (sx + window_width <= 0 || sy + window_height <= 0
788	|| sx >= root_width || sy >= root_height)	1218	|| sx >= root_width || sy >= root_height)
789	return 0;	1219	return 0;
790		1220
		1221	// validate root pixmap and get its size
791	if (root_pixmap != None)	1222	if (root_pixmap != None)
792	{/* we want to validate the pixmap and get it's size at the same time : */	1223	{
		1224	Window wdummy;
793	int junk;	1225	int idummy;
794	unsigned int ujunk;	1226	unsigned int udummy;
795	/* root pixmap may be bad - allow a error */	1227
796	target->allowedxerror = -1;	1228	allowedxerror = -1;
797		1229
798	if (!XGetGeometry (dpy, root_pixmap, &root, &junk, &junk, &root_pmap_width, &root_pmap_height, &ujunk, &ujunk))	1230	if (!XGetGeometry (dpy, root_pixmap, &wdummy, &idummy, &idummy, &root_pmap_width, &root_pmap_height, &udummy, &udummy))
799	root_pixmap = None;	1231	root_pixmap = None;
800		1232
801	target->allowedxerror = 0;	1233	allowedxerror = 0;
		1234	}
		1235
		1236	Pixmap recoded_root_pmap = root_pixmap;
		1237
		1238	if (root_pixmap != None && root_depth != depth)
802	}	1239	{
		1240	#if XRENDER
		1241	if (bg_flags & BG_HAS_RENDER)
		1242	{
		1243	recoded_root_pmap = XCreatePixmap (dpy, vt, root_pmap_width, root_pmap_height, depth);
803		1244
804	Pixmap tiled_root_pmap = XCreatePixmap (dpy, root, window_width, window_height, root_depth);	1245	XRenderPictureAttributes pa;
805	GC gc = NULL;
806		1246
807	if (tiled_root_pmap == None) /* something really bad happened - abort */	1247	XRenderPictFormat *src_format = XRenderFindVisualFormat (dpy, DefaultVisual (dpy, screen));
		1248	Picture src = XRenderCreatePicture (dpy, root_pixmap, src_format, 0, &pa);
		1249
		1250	XRenderPictFormat *dst_format = XRenderFindVisualFormat (dpy, visual);
		1251	Picture dst = XRenderCreatePicture (dpy, recoded_root_pmap, dst_format, 0, &pa);
		1252
		1253	XRenderComposite (dpy, PictOpSrc, src, None, dst, 0, 0, 0, 0, 0, 0, root_pmap_width, root_pmap_height);
		1254
		1255	XRenderFreePicture (dpy, src);
		1256	XRenderFreePicture (dpy, dst);
		1257	}
		1258	else
		1259	#endif
		1260	recoded_root_pmap = None;
		1261	}
		1262
		1263	if (recoded_root_pmap == None)
808	return 0;	1264	return 0;
809		1265
810	if (root_pixmap == None)	1266	if (bg_pixmap == None
811	{ /* use tricks to obtain the root background image :*/	1267	|| bg_pmap_width != window_width
812	/* we want to create Overrideredirect window overlapping out window	1268	|| bg_pmap_height != window_height)
813	with background type of Parent Relative and then grab it */
814	XSetWindowAttributes attr;
815	Window src;
816	bool success = false;
817
818	attr.background_pixmap = ParentRelative;
819	attr.backing_store = Always;
820	attr.event_mask = ExposureMask;
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
827	if (src != None)
828	{
829	XEvent event;
830	int ev_count = 0;
831	XGrabServer (dpy);
832	XMapRaised (dpy, src);
833	XSync (dpy, False);
834
835	/* XSync should get window where it's properly exposed,
836	* but to be on the safe side - let's check for the actuall event to arrive : */
837	while (XCheckWindowEvent (dpy, src, ExposureMask, &event))
838	++ev_count;
839
840	if (ev_count > 0);
841	{ /* hooray! - we can grab the image! */
842	gc = XCreateGC (dpy, root, 0, NULL);
843	if (gc)
844	{
845	XCopyArea (dpy, src, tiled_root_pmap, gc, 0, 0, window_width, window_height, 0, 0);
846	success = true;
847	}
848	}
849	XDestroyWindow (dpy, src);
850	XUngrabServer (dpy);
851	//fprintf (stderr, "%s:%d: ev_count = %d\n", __FUNCTION__, __LINE__, ev_count);
852	}
853
854	if (!success)
855	{
856	XFreePixmap (dpy, tiled_root_pmap);
857	tiled_root_pmap = None;
858	}
859	else
860	result |= transpPmapTiled;
861	}	1269	{
862	else	1270	if (bg_pixmap)
		1271	XFreePixmap (dpy, bg_pixmap);
		1272	bg_pixmap = XCreatePixmap (dpy, vt, window_width, window_height, depth);
		1273	bg_pmap_width = window_width;
		1274	bg_pmap_height = window_height;
		1275	}
		1276
863	{/* strightforward pixmap copy */	1277	/* straightforward pixmap copy */
		1278	while (sx < 0) sx += root_width;
		1279	while (sy < 0) sy += root_height;
		1280
864	gcv.tile = root_pixmap;	1281	gcv.tile = recoded_root_pmap;
865	gcv.fill_style = FillTiled;	1282	gcv.fill_style = FillTiled;
866
867	while (sx < 0) sx += (int)root_width;
868	while (sy < 0) sy += (int)root_height;
869
870	gcv.ts_x_origin = -sx;	1283	gcv.ts_x_origin = -sx;
871	gcv.ts_y_origin = -sy;	1284	gcv.ts_y_origin = -sy;
872	gc = XCreateGC (dpy, root, GCFillStyle | GCTile | GCTileStipXOrigin | GCTileStipYOrigin, &gcv);	1285	gc = XCreateGC (dpy, vt, GCFillStyle | GCTile | GCTileStipXOrigin | GCTileStipYOrigin, &gcv);
		1286
		1287	if (gc)
		1288	{
		1289	XFillRectangle (dpy, bg_pixmap, gc, 0, 0, window_width, window_height);
		1290	result |= BG_IS_VALID | (bg_flags & BG_EFFECTS_FLAGS);
		1291	XFreeGC (dpy, gc);
		1292
		1293	if (!(bg_flags & BG_CLIENT_RENDER))
		1294	{
		1295	if ((bg_flags & BG_NEEDS_BLUR)
		1296	&& (bg_flags & BG_HAS_RENDER_CONV))
		1297	{
		1298	if (blur_pixmap (bg_pixmap, visual, window_width, window_height))
		1299	result &= ~BG_NEEDS_BLUR;
		1300	}
		1301	if ((bg_flags & BG_NEEDS_TINT)
		1302	&& (bg_flags & (BG_TINT_BITAND | BG_HAS_RENDER)))
		1303	{
		1304	if (tint_pixmap (bg_pixmap, visual, window_width, window_height))
		1305	result &= ~BG_NEEDS_TINT;
		1306	}
		1307	} /* server side rendering completed */
		1308	}
		1309
		1310	if (recoded_root_pmap != root_pixmap)
		1311	XFreePixmap (dpy, recoded_root_pmap);
		1312
		1313	return result;
		1314	}
		1315
		1316	void
		1317	rxvt_term::bg_set_root_pixmap ()
		1318	{
		1319	Pixmap new_root_pixmap = get_pixmap_property (xa[XA_XROOTPMAP_ID]);
		1320	if (new_root_pixmap == None)
		1321	new_root_pixmap = get_pixmap_property (xa[XA_ESETROOT_PMAP_ID]);
		1322
		1323	root_pixmap = new_root_pixmap;
		1324	}
		1325	# endif /* ENABLE_TRANSPARENCY */
		1326
		1327	#if defined(ENABLE_TRANSPARENCY) && !defined(HAVE_AFTERIMAGE)
		1328	static void shade_ximage (Visual *visual, XImage *ximage, int shade, const rgba &c);
		1329	# endif
		1330
		1331	bool
		1332	rxvt_term::bg_render ()
		1333	{
		1334	unsigned long tr_flags = 0;
		1335
		1336	bg_invalidate ();
		1337	# ifdef ENABLE_TRANSPARENCY
		1338	if (bg_flags & BG_IS_TRANSPARENT)
		1339	{
		1340	/* we need to re-generate transparency pixmap in that case ! */
		1341	tr_flags = make_transparency_pixmap ();
		1342	if (tr_flags == 0)
		1343	return false;
		1344	else if (!(tr_flags & BG_EFFECTS_FLAGS))
		1345	bg_flags |= BG_IS_VALID;
		1346	}
		1347	# endif
		1348
		1349	# ifdef BG_IMAGE_FROM_FILE
		1350	if ((bg_flags & BG_IS_FROM_FILE)
		1351	|| (tr_flags & BG_EFFECTS_FLAGS))
		1352	{
		1353	if (render_image (tr_flags))
		1354	bg_flags |= BG_IS_VALID;
		1355	}
		1356	# endif
		1357
		1358	# if defined(ENABLE_TRANSPARENCY) && !defined(HAVE_AFTERIMAGE)
		1359	XImage *result = NULL;
		1360
		1361	if (tr_flags && !(bg_flags & BG_IS_VALID))
		1362	{
		1363	result = XGetImage (dpy, bg_pixmap, 0, 0, bg_pmap_width, bg_pmap_height, AllPlanes, ZPixmap);
		1364	}
		1365
		1366	if (result)
		1367	{
		1368	/* our own client-side tinting */
		1369	if (tr_flags & BG_NEEDS_TINT)
		1370	{
		1371	rgba c (rgba::MAX_CC,rgba::MAX_CC,rgba::MAX_CC);
		1372	if (bg_flags & BG_TINT_SET)
		1373	tint.get (c);
		1374	shade_ximage (DefaultVisual (dpy, display->screen), result, shade, c);
		1375	}
		1376
		1377	GC gc = XCreateGC (dpy, vt, 0UL, NULL);
873		1378
874	if (gc)	1379	if (gc)
875	{	1380	{
876	XFillRectangle (dpy, tiled_root_pmap, gc, 0, 0, window_width, window_height);	1381	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		1382
882	if (tiled_root_pmap != None)	1383	XFreeGC (dpy, gc);
883	{	1384	bg_flags |= BG_IS_VALID;
884	if (!need_client_side_rendering ())
885	{	1385	}
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		1386
912	if (flags & tintSet)	1387	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		1388	}
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	1389	# endif
1026		1390
1027		1391	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	}	1392	{
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)	1393	if (bg_pixmap != None)
1152	{	1394	{
1153	XFreePixmap (target->dpy, pixmap);	1395	XFreePixmap (dpy, bg_pixmap);
1154	pixmap = None;	1396	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	}	1397	}
		1398	}
		1399
		1400	scr_recolour (false);
		1401	bg_flags |= BG_NEEDS_REFRESH;
		1402
		1403	bg_valid_since = ev::now ();
		1404
1177	return false;	1405	return true;
1178	}	1406	}
1179		1407
1180	void	1408	void
1181	bgPixmap_t::apply()	1409	rxvt_term::bg_init ()
1182	{	1410	{
1183	if (target)
1184	{
1185	flags &= ~isVtOrigin;
1186	if (pixmap != None)
1187	{ /* set target's background to pixmap */
1188	# ifdef ENABLE_TRANSPARENCY	1411	#ifdef ENABLE_TRANSPARENCY
1189	if (flags & isTransparent)	1412	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	1413	#endif
1200	{	1414
1201	flags |= isVtOrigin;	1415	bg_flags &= ~(BG_HAS_RENDER | BG_HAS_RENDER_CONV);
1202	/* force old pixmap dereference in case it was transparent before :*/	1416	#if XRENDER
1203	XSetWindowBackground (target->dpy, target->parent[0], target->pix_colors[Color_border]);	1417	int major, minor;
1204	XSetWindowBackgroundPixmap (target->dpy, target->vt, pixmap);	1418	if (XRenderQueryVersion (dpy, &major, &minor))
1205	/* do we also need to set scrollbar's background here ? */	1419	bg_flags |= BG_HAS_RENDER;
1206	# if HAVE_SCROLLBARS	1420	XFilters *filters = XRenderQueryFilters (dpy, vt);
1207	if (target->scrollBar.win)	1421	if (filters)
1208	XSetWindowBackground (target->dpy, target->scrollBar.win, target->pix_colors[Color_border]);	1422	{
		1423	for (int i = 0; i < filters->nfilter; i++)
		1424	if (!strcmp (filters->filter[i], FilterConvolution))
		1425	bg_flags |= BG_HAS_RENDER_CONV;
		1426
		1427	XFree (filters);
		1428	}
1209	# endif	1429	#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	}	1430	}
1238		1431
1239	#endif /* HAVE_BG_PIXMAP */	1432	#endif /* HAVE_BG_PIXMAP */
1240		1433
1241	#if defined(ENABLE_TRANSPARENCY) && !defined(HAVE_AFTERIMAGE)	1434	#if defined(ENABLE_TRANSPARENCY) && !defined(HAVE_AFTERIMAGE)
1242	/* taken from aterm-0.4.2 */	1435	/* taken from aterm-0.4.2 */
1243		1436
1244	typedef uint32_t RUINT32T;
1245
1246	static void	1437	static void
1247	ShadeXImage(rxvt_term *term, XImage* srcImage, int shade, int rm, int gm, int bm)	1438	shade_ximage (Visual *visual, XImage *ximage, int shade, const rgba &c)
1248	{	1439	{
1249	int sh_r, sh_g, sh_b;	1440	int sh_r, sh_g, sh_b;
1250	RUINT32T mask_r, mask_g, mask_b;	1441	uint32_t mask_r, mask_g, mask_b;
1251	RUINT32T *lookup, *lookup_r, *lookup_g, *lookup_b;	1442	uint32_t *lookup, *lookup_r, *lookup_g, *lookup_b;
1252	unsigned int lower_lim_r, lower_lim_g, lower_lim_b;	1443	rgba low;
1253	unsigned int upper_lim_r, upper_lim_g, upper_lim_b;	1444	rgba high;
1254	int i;	1445	int i;
		1446	int host_byte_order = ecb_big_endian () ? MSBFirst : LSBFirst;
1255		1447
1256	Visual *visual = term->visual;
1257
1258	if (visual->c_class != TrueColor || srcImage->format != ZPixmap) return ;	1448	if (visual->c_class != TrueColor || ximage->format != ZPixmap) return;
1259
1260	if (shade == 0)
1261	shade = 100;
1262		1449
1263	/* for convenience */	1450	/* for convenience */
1264	mask_r = visual->red_mask;	1451	mask_r = visual->red_mask;
1265	mask_g = visual->green_mask;	1452	mask_g = visual->green_mask;
1266	mask_b = visual->blue_mask;	1453	mask_b = visual->blue_mask;
1267		1454
1268	/* boring lookup table pre-initialization */	1455	/* boring lookup table pre-initialization */
1269	switch (srcImage->bits_per_pixel) {	1456	switch (ximage->depth)
		1457	{
1270	case 15:	1458	case 15:
1271	if ((mask_r != 0x7c00) ||	1459	if ((mask_r != 0x7c00) ||
1272	(mask_g != 0x03e0) ||	1460	(mask_g != 0x03e0) ||
1273	(mask_b != 0x001f))	1461	(mask_b != 0x001f))
1274	return;	1462	return;
1275	lookup = (RUINT32T *) malloc (sizeof (RUINT32T)*(32+32+32));	1463	lookup = (uint32_t *) malloc (sizeof (uint32_t)*(32+32+32));
1276	lookup_r = lookup;	1464	lookup_r = lookup;
1277	lookup_g = lookup+32;	1465	lookup_g = lookup+32;
1278	lookup_b = lookup+32+32;	1466	lookup_b = lookup+32+32;
1279	sh_r = 10;	1467	sh_r = 10;
1280	sh_g = 5;	1468	sh_g = 5;
1281	sh_b = 0;	1469	sh_b = 0;
1282	break;	1470	break;
1283	case 16:	1471	case 16:
1284	if ((mask_r != 0xf800) ||	1472	if ((mask_r != 0xf800) ||
1285	(mask_g != 0x07e0) ||	1473	(mask_g != 0x07e0) ||
1286	(mask_b != 0x001f))	1474	(mask_b != 0x001f))
1287	return;	1475	return;
1288	lookup = (RUINT32T *) malloc (sizeof (RUINT32T)*(32+64+32));	1476	lookup = (uint32_t *) malloc (sizeof (uint32_t)*(32+64+32));
1289	lookup_r = lookup;	1477	lookup_r = lookup;
1290	lookup_g = lookup+32;	1478	lookup_g = lookup+32;
1291	lookup_b = lookup+32+64;	1479	lookup_b = lookup+32+64;
1292	sh_r = 11;	1480	sh_r = 11;
1293	sh_g = 5;	1481	sh_g = 5;
1294	sh_b = 0;	1482	sh_b = 0;
1295	break;	1483	break;
1296	case 24:	1484	case 24:
1297	if ((mask_r != 0xff0000) ||	1485	if ((mask_r != 0xff0000) ||
1298	(mask_g != 0x00ff00) ||	1486	(mask_g != 0x00ff00) ||
1299	(mask_b != 0x0000ff))	1487	(mask_b != 0x0000ff))
1300	return;	1488	return;
1301	lookup = (RUINT32T *) malloc (sizeof (RUINT32T)*(256+256+256));	1489	lookup = (uint32_t *) malloc (sizeof (uint32_t)*(256+256+256));
1302	lookup_r = lookup;	1490	lookup_r = lookup;
1303	lookup_g = lookup+256;	1491	lookup_g = lookup+256;
1304	lookup_b = lookup+256+256;	1492	lookup_b = lookup+256+256;
1305	sh_r = 16;	1493	sh_r = 16;
1306	sh_g = 8;	1494	sh_g = 8;
1307	sh_b = 0;	1495	sh_b = 0;
1308	break;	1496	break;
1309	case 32:	1497	case 32:
1310	if ((mask_r != 0xff0000) ||	1498	if ((mask_r != 0xff0000) ||
1311	(mask_g != 0x00ff00) ||	1499	(mask_g != 0x00ff00) ||
1312	(mask_b != 0x0000ff))	1500	(mask_b != 0x0000ff))
1313	return;	1501	return;
1314	lookup = (RUINT32T *) malloc (sizeof (RUINT32T)*(256+256+256));	1502	lookup = (uint32_t *) malloc (sizeof (uint32_t)*(256+256+256));
1315	lookup_r = lookup;	1503	lookup_r = lookup;
1316	lookup_g = lookup+256;	1504	lookup_g = lookup+256;
1317	lookup_b = lookup+256+256;	1505	lookup_b = lookup+256+256;
1318	sh_r = 16;	1506	sh_r = 16;
1319	sh_g = 8;	1507	sh_g = 8;
1320	sh_b = 0;	1508	sh_b = 0;
1321	break;	1509	break;
1322	default:	1510	default:
1323	return; /* we do not support this color depth */	1511	return; /* we do not support this color depth */
1324	}	1512	}
1325		1513
1326	/* prepare limits for color transformation (each channel is handled separately) */	1514	/* prepare limits for color transformation (each channel is handled separately) */
1327	if (shade < 0) {	1515	if (shade > 100)
		1516	{
1328	shade = -shade;	1517	shade = 200 - shade;
1329	if (shade < 0) shade = 0;
1330	if (shade > 100) shade = 100;
1331		1518
1332	lower_lim_r = 65535-rm;	1519	high.r = c.r * shade / 100;
1333	lower_lim_g = 65535-gm;	1520	high.g = c.g * shade / 100;
1334	lower_lim_b = 65535-bm;	1521	high.b = c.b * shade / 100;
1335		1522
1336	lower_lim_r = 65535-(unsigned int)(((RUINT32T)lower_lim_r)*((RUINT32T)shade)/100);	1523	low.r = 65535 * (100 - shade) / 100;
1337	lower_lim_g = 65535-(unsigned int)(((RUINT32T)lower_lim_g)*((RUINT32T)shade)/100);	1524	low.g = 65535 * (100 - shade) / 100;
1338	lower_lim_b = 65535-(unsigned int)(((RUINT32T)lower_lim_b)*((RUINT32T)shade)/100);	1525	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	}	1526	}
1351		1527	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	{	1528	{
1355	unsigned int tmp;	1529	high.r = c.r * shade / 100;
		1530	high.g = c.g * shade / 100;
		1531	high.b = c.b * shade / 100;
1356		1532
1357	tmp = lower_lim_r;	1533	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	}	1534	}
1365		1535
1366	/* fill our lookup tables */	1536	/* fill our lookup tables */
1367	for (i = 0; i <= mask_r>>sh_r; i++)	1537	for (i = 0; i <= mask_r>>sh_r; i++)
1368	{	1538	{
1369	RUINT32T tmp;	1539	uint32_t tmp;
1370	tmp = ((RUINT32T)i)*((RUINT32T)(upper_lim_r-lower_lim_r));	1540	tmp = i * high.r;
1371	tmp += ((RUINT32T)(mask_r>>sh_r))*((RUINT32T)lower_lim_r);	1541	tmp += (mask_r>>sh_r) * low.r;
1372	lookup_r[i] = (tmp/65535)<<sh_r;	1542	lookup_r[i] = (tmp/65535)<<sh_r;
1373	}	1543	}
1374	for (i = 0; i <= mask_g>>sh_g; i++)	1544	for (i = 0; i <= mask_g>>sh_g; i++)
1375	{	1545	{
1376	RUINT32T tmp;	1546	uint32_t tmp;
1377	tmp = ((RUINT32T)i)*((RUINT32T)(upper_lim_g-lower_lim_g));	1547	tmp = i * high.g;
1378	tmp += ((RUINT32T)(mask_g>>sh_g))*((RUINT32T)lower_lim_g);	1548	tmp += (mask_g>>sh_g) * low.g;
1379	lookup_g[i] = (tmp/65535)<<sh_g;	1549	lookup_g[i] = (tmp/65535)<<sh_g;
1380	}	1550	}
1381	for (i = 0; i <= mask_b>>sh_b; i++)	1551	for (i = 0; i <= mask_b>>sh_b; i++)
1382	{	1552	{
1383	RUINT32T tmp;	1553	uint32_t tmp;
1384	tmp = ((RUINT32T)i)*((RUINT32T)(upper_lim_b-lower_lim_b));	1554	tmp = i * high.b;
1385	tmp += ((RUINT32T)(mask_b>>sh_b))*((RUINT32T)lower_lim_b);	1555	tmp += (mask_b>>sh_b) * low.b;
1386	lookup_b[i] = (tmp/65535)<<sh_b;	1556	lookup_b[i] = (tmp/65535)<<sh_b;
1387	}	1557	}
1388		1558
1389	/* apply table to input image (replacing colors by newly calculated ones) */	1559	/* apply table to input image (replacing colors by newly calculated ones) */
1390	switch (srcImage->bits_per_pixel)	1560	if (ximage->bits_per_pixel == 32
		1561	&& (ximage->depth == 24 || ximage->depth == 32)
		1562	&& ximage->byte_order == host_byte_order)
1391	{	1563	{
1392	case 15:
1393	{
1394	unsigned short *p1, *pf, *p, *pl;	1564	uint32_t *p1, *pf, *p, *pl;
1395	p1 = (unsigned short *) srcImage->data;	1565	p1 = (uint32_t *) ximage->data;
1396	pf = (unsigned short *) (srcImage->data + srcImage->height * srcImage->bytes_per_line);	1566	pf = (uint32_t *) (ximage->data + ximage->height * ximage->bytes_per_line);
		1567
1397	while (p1 < pf)	1568	while (p1 < pf)
1398	{	1569	{
1399	p = p1;	1570	p = p1;
1400	pl = p1 + srcImage->width;	1571	pl = p1 + ximage->width;
1401	for (; p < pl; p++)	1572	for (; p < pl; p++)
1402	{	1573	{
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] |	1574	*p = lookup_r[(*p & 0xff0000) >> 16] |
1462	lookup_g[(*p & 0x00ff00)>> 8] |	1575	lookup_g[(*p & 0x00ff00) >> 8] |
1463	lookup_b[(*p & 0x0000ff)] |	1576	lookup_b[(*p & 0x0000ff)] |
1464	(*p & ~0xffffff);	1577	(*p & 0xff000000);
		1578	}
		1579	p1 = (uint32_t *) ((char *) p1 + ximage->bytes_per_line);
		1580	}
		1581	}
		1582	else
		1583	{
		1584	for (int y = 0; y < ximage->height; y++)
		1585	for (int x = 0; x < ximage->width; x++)
		1586	{
		1587	unsigned long pixel = XGetPixel (ximage, x, y);
		1588	pixel = lookup_r[(pixel & mask_r) >> sh_r] |
		1589	lookup_g[(pixel & mask_g) >> sh_g] |
		1590	lookup_b[(pixel & mask_b) >> sh_b];
		1591	XPutPixel (ximage, x, y, pixel);
1465	}	1592	}
1466	p1 = (RUINT32T *) ((char *) p1 + srcImage->bytes_per_line);
1467	}	1593	}
1468	break;
1469	}
1470	}
1471		1594
1472	free (lookup);	1595	free (lookup);
1473	}	1596	}
1474	#endif /* defined(ENABLE_TRANSPARENCY) && !defined(HAVE_AFTERIMAGE) */	1597	#endif /* defined(ENABLE_TRANSPARENCY) && !defined(HAVE_AFTERIMAGE) */

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