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Comparing rxvt-unicode/src/background.C (file contents):
Revision 1.65 by sf-exg, Mon Oct 4 20:45:45 2010 UTC vs.
Revision 1.159 by sf-exg, Wed Aug 10 07:34:35 2011 UTC

1	/*----------------------------------------------------------------------*	1	/*----------------------------------------------------------------------*
2	* File: background.C - former xpm.C	2	* File: background.C - former xpm.C
3	*----------------------------------------------------------------------*	3	*----------------------------------------------------------------------*
4	*	4	*
5	* All portions of code are copyright by their respective author/s.	5	* All portions of code are copyright by their respective author/s.
6	* Copyright (c) 2005-2008 Marc Lehmann <pcg@goof.com>	6	* Copyright (c) 2005-2008 Marc Lehmann <schmorp@schmorp.de>
7	* Copyright (c) 2007 Sasha Vasko <sasha@aftercode.net>	7	* Copyright (c) 2007 Sasha Vasko <sasha@aftercode.net>
		8	* Copyright (c) 2010 Emanuele Giaquinta <e.giaquinta@glauco.it>
8	*	9	*
9	* This program is free software; you can redistribute it and/or modify	10	* This program is free software; you can redistribute it and/or modify
10	* it under the terms of the GNU General Public License as published by	11	* it under the terms of the GNU General Public License as published by
11	* the Free Software Foundation; either version 2 of the License, or	12	* the Free Software Foundation; either version 2 of the License, or
12	* (at your option) any later version.	13	* (at your option) any later version.
…		…
19	* You should have received a copy of the GNU General Public License	20	* You should have received a copy of the GNU General Public License
20	* along with this program; if not, write to the Free Software	21	* along with this program; if not, write to the Free Software
21	* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.	22	* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
22	*---------------------------------------------------------------------*/	23	*---------------------------------------------------------------------*/
23		24
		25	#include <cmath>
24	#include "../config.h" /* NECESSARY */	26	#include "../config.h" /* NECESSARY */
25	#include "rxvt.h" /* NECESSARY */	27	#include "rxvt.h" /* NECESSARY */
26		28
27	#define DO_TIMING_TEST 0	29	#if XRENDER
		30	# include <X11/extensions/Xrender.h>
		31	#endif
28		32
29	#if DO_TIMING_TEST	33	#ifndef FilterConvolution
30	# include <sys/time.h>	34	#define FilterConvolution "convolution"
31	#define TIMING_TEST_START(id) \
32	struct timeval timing_test_##id##_stv; \
33	gettimeofday (&timing_test_##id##_stv, NULL);
34
35	#define TIMING_TEST_PRINT_RESULT(id) \
36	do { \
37	struct timeval tv; \
38	gettimeofday (&tv, NULL); \
39	tv.tv_sec -= (timing_test_##id##_stv).tv_sec; \
40	fprintf (stderr, "%s: %s: %d: elapsed %ld usec\n", #id, __FILE__, __LINE__, \
41	tv.tv_sec * 1000000 + tv.tv_usec - (timing_test_##id##_stv).tv_usec); \
42	} while (0)
43
44	#else
45	#define TIMING_TEST_START(id) do {} while (0)
46	#define TIMING_TEST_PRINT_RESULT(id) do {} while (0)
47	#endif	35	#endif
48		36
49	/*	37	/*
50	* Pixmap geometry string interpretation :	38	* Pixmap geometry string interpretation :
51	* Each geometry string contains zero or one scale/position	39	* Each geometry string contains zero or one scale/position
…		…
56	*	44	*
57	* WxH+X+Y Set scaling to W% by H%, and position to X% by Y%.	45	* WxH+X+Y Set scaling to W% by H%, and position to X% by Y%.
58	* W and H are percentages of the terminal window size.	46	* W and H are percentages of the terminal window size.
59	* X and Y are also percentages; e.g., +50+50 centers	47	* X and Y are also percentages; e.g., +50+50 centers
60	* the image in the window.	48	* the image in the window.
61	* WxH+X Assumes Y == X
62	* WxH Assumes Y == X == 50 (centers the image)
63	* W+X+Y Assumes H == W
64	* W+X Assumes H == W and Y == X
65	* W Assumes H == W and Y == X == 50
66	*
67	* Adjusting position only :
68	* =+X+Y Set position to X% by Y% (absolute).
69	* =+X Set position to X% by X%.
70	* +X+Y Adjust position horizontally X% and vertically Y%
71	* from current position (relative).
72	* +X Adjust position horizontally X% and vertically X%
73	* from current position.
74	*
75	* Adjusting scale only :
76	* Wx0 Multiply horizontal scaling factor by W%
77	* 0xH Multiply vertical scaling factor by H%
78	* 0x0 No scaling (show image at normal size).
79	*	49	*
80	* Pixmap Operations : (should be prepended by a colon)	50	* Pixmap Operations : (should be prepended by a colon)
81	* tile Tile image. Scaling/position modifiers above will affect	51	* tile Tile image. Scaling/position modifiers above will affect
82	* the tile size and origin.	52	* the tile size and origin.
83	* propscale When scaling, scale proportionally. That is, maintain the	53	* propscale When scaling, scale proportionally. That is, maintain the
84	* proper aspect ratio for the image. Any portion of the	54	* proper aspect ratio for the image. Any portion of the
85	* background not covered by the image is filled with the	55	* background not covered by the image is filled with the
86	* current background color.	56	* current background color.
87	* hscale Scale horizontally, tile vertically ?
88	* vscale Tile horizontally, scale vertically ?
89	* scale Scale both up and down	57	* scale Scale both up and down
90	* auto Same as 100x100+50+50
91	*/	58	*/
92		59
93	#ifdef HAVE_BG_PIXMAP	60	#ifdef HAVE_BG_PIXMAP
94	bgPixmap_t::bgPixmap_t ()
95	{
96	// this is basically redundant as bgPixmap_t is only used in
97	// zero_initialised-derived structs
98	#ifdef HAVE_AFTERIMAGE
99	original_asim = NULL;
100	#endif
101	#ifdef HAVE_PIXBUF
102	pixbuf = NULL;
103	#endif
104	#ifdef BG_IMAGE_FROM_FILE
105	have_image = false;
106	h_scale = v_scale = 0;
107	h_align = v_align = 0;
108	#endif
109	flags = 0;
110	pixmap = None;
111	valid_since = invalid_since = 0;
112	target = 0;
113	}
114
115	void	61	void
116	bgPixmap_t::destroy ()	62	rxvt_term::bg_destroy ()
117	{	63	{
118	#ifdef HAVE_AFTERIMAGE	64	#ifdef HAVE_AFTERIMAGE
119	if (original_asim)	65	if (original_asim)
120	safe_asimage_destroy (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);
121	#endif	71	#endif
122		72
123	#ifdef HAVE_PIXBUF	73	#ifdef HAVE_PIXBUF
124	if (pixbuf)	74	if (pixbuf)
125	g_object_unref (pixbuf);	75	g_object_unref (pixbuf);
126	#endif	76	#endif
127		77
128	if (pixmap && target)	78	if (bg_pixmap)
129	XFreePixmap (target->dpy, pixmap);	79	XFreePixmap (dpy, bg_pixmap);
130	}	80	}
131		81
132	bool	82	bool
133	bgPixmap_t::window_size_sensitive ()	83	rxvt_term::bg_set_position (int x, int y)
		84	{
		85
		86	if (target_x != x
		87	|| target_y != y)
		88	{
		89	target_x = x;
		90	target_y = y;
		91	return true;
		92	}
		93	return false;
		94	}
		95
		96	bool
		97	rxvt_term::bg_window_size_sensitive ()
134	{	98	{
135	# ifdef ENABLE_TRANSPARENCY	99	# ifdef ENABLE_TRANSPARENCY
136	if (flags & isTransparent)	100	if (bg_flags & BG_IS_TRANSPARENT)
137	return true;	101	return true;
138	# endif	102	# endif
139		103
140	# ifdef BG_IMAGE_FROM_FILE	104	# ifdef BG_IMAGE_FROM_FILE
141	if (have_image)	105	if (bg_flags & BG_IS_FROM_FILE)
142	{	106	{
143	if (flags & sizeSensitive)	107	if (bg_flags & BG_IS_SIZE_SENSITIVE)
144	return true;	108	return true;
145	}	109	}
146	# endif	110	# endif
147		111
148	return false;	112	return false;
149	}	113	}
150		114
151	bool	115	bool
152	bgPixmap_t::window_position_sensitive ()	116	rxvt_term::bg_window_position_sensitive ()
153	{	117	{
154	# ifdef ENABLE_TRANSPARENCY	118	# ifdef ENABLE_TRANSPARENCY
155	if (flags & isTransparent)	119	if (bg_flags & BG_IS_TRANSPARENT)
156	return true;	120	return true;
157	# endif	121	# endif
158		122
159	# ifdef BG_IMAGE_FROM_FILE	123	# ifdef BG_IMAGE_FROM_FILE
160	if (have_image)	124	if (bg_flags & BG_IS_FROM_FILE)
161	{	125	{
162	if (flags & rootAlign)	126	if (bg_flags & BG_ROOT_ALIGN)
163	return true;	127	return true;
164	}	128	}
165	# endif	129	# endif
166		130
167	return false;
168	};
169
170	bool bgPixmap_t::need_client_side_rendering ()
171	{
172	# ifdef HAVE_AFTERIMAGE
173	if (original_asim)
174	return true;
175	# endif
176	# ifdef ENABLE_TRANSPARENCY
177	if (flags & isTransparent)
178	{
179	# ifdef HAVE_AFTERIMAGE // can't blur without libAI anyways
180	if ((flags & blurNeeded) && !(flags & blurServerSide))
181	return true;
182	# endif
183	if ((flags & tintNeeded) && !(flags & tintServerSide))
184	return true;
185	}
186	# endif
187	return false;	131	return false;
188	}	132	}
189		133
190	# ifdef BG_IMAGE_FROM_FILE	134	# ifdef BG_IMAGE_FROM_FILE
191	static inline bool	135	static inline bool
…		…
226	make_align_position (int align, int window_size, int image_size)	170	make_align_position (int align, int window_size, int image_size)
227	{	171	{
228	int diff = window_size - image_size;	172	int diff = window_size - image_size;
229	int smaller = min (image_size, window_size);	173	int smaller = min (image_size, window_size);
230		174
231	if (align >= 0 && align <= 50)	175	if (align >= 0 && align <= 100)
232	return diff * align / 100;	176	return diff * align / 100;
233	else if (align > 50 && align <= 100)
234	return window_size - image_size - diff * (100 - align) / 100;
235	else if (align > 100 && align <= 200 )	177	else if (align > 100 && align <= 200)
236	return ((align - 100) * smaller / 100) + window_size - smaller;	178	return ((align - 100) * smaller / 100) + window_size - smaller;
237	else if (align >= -100 && align < 0)	179	else if (align >= -100 && align < 0)
238	return ((align + 100) * smaller / 100) - image_size;	180	return ((align + 100) * smaller / 100) - image_size;
239	return 0;	181	return 0;
240	}	182	}
241		183
242	static inline int	184	static inline int
243	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)
244	{	186	{
245	int src_pos = 0;	187	int src_pos = 0;
246	dst_pos = 0;	188	dst_pos = pos;
247	dst_size = size;	189	dst_size = size;
248	if (pos < 0)	190	if (pos < 0)
249	{	191	{
250	src_pos = -pos;	192	src_pos = -pos;
		193	dst_pos = 0;
251	dst_size += pos;	194	dst_size += pos;
252	}	195	}
253	else if (pos > 0)
254	dst_pos = pos;
255		196
256	if (dst_pos + dst_size > target_size)	197	if (dst_pos + dst_size > target_size)
257	dst_size = target_size - dst_pos;	198	dst_size = target_size - dst_pos;
258	return src_pos;	199	return src_pos;
259	}	200	}
260		201
261	bool	202	bool
262	bgPixmap_t::set_geometry (const char *geom)	203	rxvt_term::bg_set_geometry (const char *geom, bool update)
263	{	204	{
		205	bool changed = false;
264	int geom_flags = 0, changed = 0;	206	int geom_flags = 0;
265	int x = 0, y = 0;	207	int x = 0, y = 0;
266	unsigned int w = 0, h = 0;	208	unsigned int w = 0, h = 0;
267	unsigned int n;	209	unsigned int n;
268	unsigned long new_flags = (flags & (~geometryFlags));	210	unsigned long new_flags = (bg_flags & (~BG_GEOMETRY_FLAGS));
269	const char *p;	211	const char *ops;
270	# define MAXLEN_GEOM 256 /* could be longer than regular geometry string */
271		212
272	if (geom == NULL)	213	if (geom == NULL)
273	return false;	214	return false;
274		215
275	char str[MAXLEN_GEOM];	216	char str[256];
276		217
277	while (isspace(*geom)) ++geom;
278	if ((p = strchr (geom, ';')) == NULL)
279	p = strchr (geom, '\0');	218	ops = strchr (geom, ':');
280		219	if (ops == NULL)
		220	n = strlen (geom);
		221	else
281	n = (p - geom);	222	n = ops - geom;
282	if (n < MAXLEN_GEOM)
283	{
284	char *ops;
285	new_flags |= geometrySet;
286		223
		224	if (n >= sizeof (str))
		225	return false;
		226
287	memcpy (str, geom, n);	227	memcpy (str, geom, n);
288	str[n] = '\0';	228	str[n] = '\0';
289	if (str[0] == ':')	229	rxvt_strtrim (str);
290	ops = &str[0];
291	else if (str[0] != 'x' && str[0] != 'X' && isalpha(str[0]))
292	ops = &str[0];
293	else
294	{
295	char *tmp;
296	ops = strchr (str, ':');
297	if (ops != NULL)
298	{
299	for (tmp = ops-1; tmp >= str && isspace(*tmp); --tmp);
300	*(++tmp) = '\0';
301	if (ops == tmp) ++ops;
302	}
303	}
304		230
305	if (ops > str || ops == NULL)	231	if (str[0])
306	{	232	{
307	/* we have geometry string - let's handle it prior to applying ops */	233	/* we have geometry string - let's handle it prior to applying ops */
308	geom_flags = XParseGeometry (str, &x, &y, &w, &h);	234	geom_flags = XParseGeometry (str, &x, &y, &w, &h);
309
310	if ((geom_flags & XValue) && !(geom_flags & YValue))
311	{
312	y = x;
313	geom_flags |= YValue;
314	}
315
316	if (flags & geometrySet)
317	{
318	/* new geometry is an adjustment to the old one ! */
319	if ((geom_flags & WidthValue) && (geom_flags & HeightValue))
320	{
321	if (w == 0 && h != 0)
322	{
323	w = h_scale;
324	h = (v_scale * h) / 100;
325	}
326	else if (h == 0 && w != 0)
327	{
328	w = (h_scale * w) / 100;
329	h = v_scale;
330	}
331	}
332	if (geom_flags & XValue)
333	{
334	if (str[0] != '=')
335	{
336	y += v_align;
337	x += h_align;
338	}
339	}
340	}
341	else /* setting up geometry from scratch */
342	{
343	if (!(geom_flags & XValue))
344	{
345	/* use default geometry - centered */
346	x = y = defaultAlign;
347	}
348	else if (!(geom_flags & YValue))
349	y = x;
350
351	if ((geom_flags & (WidthValue|HeightValue)) == 0)
352	{
353	/* use default geometry - scaled */
354	w = h = defaultScale;
355	}
356	else if (geom_flags & WidthValue)
357	{
358	if (!(geom_flags & HeightValue))
359	h = w;
360	}
361	else
362	w = h;
363	}
364	} /* done parsing geometry string */	235	} /* done parsing geometry string */
365	else if (!(flags & geometrySet))	236
366	{	237	if (!update)
367	/* default geometry - scaled and centered */	238	{
		239	if (!(geom_flags & XValue))
368	x = y = defaultAlign;	240	x = y = defaultAlign;
		241	else if (!(geom_flags & YValue))
		242	y = x;
		243
		244	if (!(geom_flags & (WidthValue|HeightValue)))
369	w = h = defaultScale;	245	w = h = defaultScale;
370	}	246	else if (!(geom_flags & HeightValue))
		247	h = w;
		248	else if (!(geom_flags & WidthValue))
		249	w = h;
371		250
372	if (!(flags & geometrySet))
373	geom_flags |= WidthValue|HeightValue|XValue|YValue;	251	geom_flags |= WidthValue|HeightValue|XValue|YValue;
		252	}
374		253
375	if (ops)	254	if (ops)
376	{	255	{
377	while (*ops)	256	char **arr = rxvt_strsplit (':', ops + 1);
		257
		258	for (int i = 0; arr[i]; i++)
378	{	259	{
379	while (*ops == ':' || isspace(*ops)) ++ops;	260	if (!strcasecmp (arr[i], "tile"))
380
381	# define CHECK_GEOM_OPS(op_str) (strncasecmp (ops, (op_str), sizeof (op_str) - 1) == 0)
382	if (CHECK_GEOM_OPS ("tile"))
383	{	261	{
		262	new_flags |= BG_TILE;
384	w = h = noScale;	263	w = h = noScale;
385	geom_flags |= WidthValue|HeightValue;	264	geom_flags |= WidthValue|HeightValue;
386	}	265	}
387	else if (CHECK_GEOM_OPS ("propscale"))	266	else if (!strcasecmp (arr[i], "propscale"))
388	{	267	{
389	new_flags |= propScale;	268	new_flags |= BG_PROP_SCALE;
390	}	269	}
391	else if (CHECK_GEOM_OPS ("hscale"))	270	else if (!strcasecmp (arr[i], "scale"))
392	{	271	{
		272	if (h == 0) h = windowScale;
393	if (w == 0) w = windowScale;	273	if (w == 0) w = windowScale;
394		274
395	h = noScale;
396	geom_flags |= WidthValue|HeightValue;	275	geom_flags |= WidthValue|HeightValue;
397	}	276	}
398	else if (CHECK_GEOM_OPS ("vscale"))	277	else if (!strcasecmp (arr[i], "center"))
399	{	278	{
400	if (h == 0) h = windowScale;
401
402	w = noScale;
403	geom_flags |= WidthValue|HeightValue;
404	}
405	else if (CHECK_GEOM_OPS ("scale"))
406	{
407	if (h == 0) h = windowScale;
408	if (w == 0) w = windowScale;
409
410	geom_flags |= WidthValue|HeightValue;
411	}
412	else if (CHECK_GEOM_OPS ("auto"))
413	{
414	w = h = windowScale;	279	w = h = noScale;
415	x = y = centerAlign;	280	x = y = centerAlign;
416	geom_flags |= WidthValue|HeightValue|XValue|YValue;	281	geom_flags |= WidthValue|HeightValue|XValue|YValue;
417	}	282	}
418	else if (CHECK_GEOM_OPS ("root"))	283	else if (!strcasecmp (arr[i], "root"))
419	{	284	{
420	new_flags |= rootAlign;	285	new_flags |= BG_TILE|BG_ROOT_ALIGN;
421	w = h = noScale;	286	w = h = noScale;
422	geom_flags |= WidthValue|HeightValue;	287	geom_flags |= WidthValue|HeightValue;
423	}	288	}
424	# undef CHECK_GEOM_OPS
425
426	while (*ops != ':' && *ops != '\0') ++ops;
427	} /* done parsing ops */	289	} /* done parsing ops */
428	}
429		290
		291	rxvt_free_strsplit (arr);
		292	}
		293
430	if (check_set_scale_value (geom_flags, WidthValue, h_scale, w)) ++changed;	294	if (check_set_scale_value (geom_flags, WidthValue, h_scale, w)) changed = true;
431	if (check_set_scale_value (geom_flags, HeightValue, v_scale, h)) ++changed;	295	if (check_set_scale_value (geom_flags, HeightValue, v_scale, h)) changed = true;
432	if (check_set_align_value (geom_flags, XValue, h_align, x)) ++changed;	296	if (check_set_align_value (geom_flags, XValue, h_align, x)) changed = true;
433	if (check_set_align_value (geom_flags, YValue, v_align, y)) ++changed;	297	if (check_set_align_value (geom_flags, YValue, v_align, y)) changed = true;
434	}
435		298
436	if (new_flags != flags)	299	if (new_flags != bg_flags)
437	{	300	{
438	flags = new_flags;	301	bg_flags = new_flags;
439	changed++;	302	changed = true;
440	}	303	}
441		304
442	//fprintf (stderr, "flags = %lX, scale = %ux%u, align=%+d%+d\n",
443	// flags, h_scale, v_scale, h_align, v_align);
444	return (changed > 0);	305	return changed;
445	}	306	}
446		307
447	void	308	void
448	bgPixmap_t::get_image_geometry (int image_width, int image_height, int &w, int &h, int &x, int &y)	309	rxvt_term::get_image_geometry (int image_width, int image_height, int &w, int &h, int &x, int &y)
449	{	310	{
450	int target_width = target->szHint.width;	311	int target_width = szHint.width;
451	int target_height = target->szHint.height;	312	int target_height = szHint.height;
452		313
453	if (flags & propScale)	314	if (bg_flags & BG_PROP_SCALE)
454	{	315	{
455	float scale = (float)target_width / image_width;	316	float scale = (float)target_width / image_width;
456	min_it (scale, (float)target_height / image_height);	317	min_it (scale, (float)target_height / image_height);
457	w = image_width * scale + 0.5;	318	w = image_width * scale + 0.5;
458	h = image_height * scale + 0.5;	319	h = image_height * scale + 0.5;
…		…
461	{	322	{
462	w = h_scale * target_width / 100;	323	w = h_scale * target_width / 100;
463	h = v_scale * target_height / 100;	324	h = v_scale * target_height / 100;
464	}	325	}
465		326
466	if (flags & rootAlign)	327	if (!w) w = image_width;
		328	if (!h) h = image_height;
		329
		330	if (bg_flags & BG_ROOT_ALIGN)
467	{	331	{
468	target->get_window_origin (x, y);
469	x = -x;	332	x = -target_x;
470	y = -y;	333	y = -target_y;
471	}	334	}
472	else	335	else
473	{	336	{
474	x = make_align_position (h_align, target_width, w > 0 ? w : image_width);	337	x = make_align_position (h_align, target_width, w);
475	y = make_align_position (v_align, target_height, h > 0 ? h : image_height);	338	y = make_align_position (v_align, target_height, h);
476	}	339	}
477		340
478	flags &= ~sizeSensitive;	341	bg_flags &= ~BG_IS_SIZE_SENSITIVE;
479	if (h_scale != 0 || v_scale != 0	342	if (!(bg_flags & BG_TILE)
480	|| h_align != 0 || v_align != 0	343	|| (bg_flags & BG_PROP_SCALE) || h_scale || v_scale
		344	|| (!(bg_flags & BG_ROOT_ALIGN) && (h_align || v_align))
481	|| image_width > target_width || image_height > target_height)	345	|| w > target_width || h > target_height)
482	flags |= sizeSensitive;	346	bg_flags |= BG_IS_SIZE_SENSITIVE;
483	}	347	}
484		348
485	# ifdef HAVE_AFTERIMAGE	349	# ifdef HAVE_AFTERIMAGE
486	bool	350	bool
487	bgPixmap_t::render_image (unsigned long background_flags)	351	rxvt_term::render_image (unsigned long tr_flags)
488	{	352	{
489	if (target == NULL)
490	return false;
491
492	target->init_asv ();	353	init_asv ();
493		354
494	ASImage *background = NULL;	355	ASImage *background = NULL;
495	ARGB32 background_tint = TINT_LEAVE_SAME;	356	ARGB32 background_tint = TINT_LEAVE_SAME;
496		357
497	# ifdef ENABLE_TRANSPARENCY	358	# ifdef ENABLE_TRANSPARENCY
498	if (background_flags)	359	if (tr_flags)
499	background = pixmap2ximage (target->asv, pixmap, 0, 0, pmap_width, pmap_height, AllPlanes, 100);	360	background = pixmap2ximage (asv, bg_pixmap, 0, 0, bg_pmap_width, bg_pmap_height, AllPlanes, 100);
500		361
501	if (!(background_flags & transpPmapTinted) && (flags & tintNeeded))	362	if (tr_flags & BG_NEEDS_TINT)
502	{	363	{
503	ShadingInfo as_shade;	364	ShadingInfo as_shade;
504	as_shade.shading = (shade == 0) ? 100 : shade;	365	as_shade.shading = shade;
505		366
506	rgba c (rgba::MAX_CC,rgba::MAX_CC,rgba::MAX_CC);	367	rgba c (rgba::MAX_CC,rgba::MAX_CC,rgba::MAX_CC);
507	if (flags & tintSet)	368	if (bg_flags & BG_TINT_SET)
508	tint.get (c);	369	tint.get (c);
509	as_shade.tintColor.red = c.r;	370	as_shade.tintColor.red = c.r;
510	as_shade.tintColor.green = c.g;	371	as_shade.tintColor.green = c.g;
511	as_shade.tintColor.blue = c.b;	372	as_shade.tintColor.blue = c.b;
512		373
513	background_tint = shading2tint32 (&as_shade);	374	background_tint = shading2tint32 (&as_shade);
514	}	375	}
515		376
516	if (!(background_flags & transpPmapBlured) && (flags & blurNeeded) && background != NULL)	377	if ((tr_flags & BG_NEEDS_BLUR) && background != NULL)
517	{	378	{
518	ASImage *tmp = blur_asimage_gauss (target->asv, background, h_blurRadius, v_blurRadius, 0xFFFFFFFF,	379	ASImage *tmp = blur_asimage_gauss (asv, background, h_blurRadius, v_blurRadius, 0xFFFFFFFF,
519	(original_asim == NULL || tint == TINT_LEAVE_SAME) ? ASA_XImage : ASA_ASImage,	380	(original_asim == NULL || tint == TINT_LEAVE_SAME) ? ASA_XImage : ASA_ASImage,
520	100, ASIMAGE_QUALITY_DEFAULT);	381	100, ASIMAGE_QUALITY_DEFAULT);
521	if (tmp)	382	if (tmp)
522	{	383	{
523	destroy_asimage (&background);	384	destroy_asimage (&background);
…		…
526	}	387	}
527	# endif	388	# endif
528		389
529	ASImage *result = 0;	390	ASImage *result = 0;
530		391
531	int target_width = target->szHint.width;	392	int target_width = szHint.width;
532	int target_height = target->szHint.height;	393	int target_height = szHint.height;
533	int new_pmap_width = target_width;	394	int new_pmap_width = target_width;
534	int new_pmap_height = target_height;	395	int new_pmap_height = target_height;
535		396
536	int x = 0;	397	int x = 0;
537	int y = 0;	398	int y = 0;
538	int w = 0;	399	int w = 0;
539	int h = 0;	400	int h = 0;
540		401
541	TIMING_TEST_START (asim);
542
543	if (original_asim)	402	if (original_asim)
544	get_image_geometry (original_asim->width, original_asim->height, w, h, x, y);	403	get_image_geometry (original_asim->width, original_asim->height, w, h, x, y);
545		404
546	if (!original_asim	405	if (!original_asim
		406	|| (!(bg_flags & BG_ROOT_ALIGN)
547	|| x >= target_width	407	&& (x >= target_width
548	|| y >= target_height	408	|| y >= target_height
549	|| (w > 0 && x + w <= 0)	409	|| (x + w <= 0)
550	|| (h > 0 && y + h <= 0))	410	|| (y + h <= 0))))
551	{	411	{
552	if (background)	412	if (background)
553	{	413	{
554	new_pmap_width = background->width;	414	new_pmap_width = background->width;
555	new_pmap_height = background->height;	415	new_pmap_height = background->height;
556	result = background;	416	result = background;
557		417
558	if (background_tint != TINT_LEAVE_SAME)	418	if (background_tint != TINT_LEAVE_SAME)
559	{	419	{
560	ASImage *tmp = tile_asimage (target->asv, background, 0, 0,	420	ASImage *tmp = tile_asimage (asv, background, 0, 0,
561	target_width, target_height, background_tint,	421	target_width, target_height, background_tint,
562	ASA_XImage, 100, ASIMAGE_QUALITY_DEFAULT);	422	ASA_XImage, 100, ASIMAGE_QUALITY_DEFAULT);
563	if (tmp)	423	if (tmp)
564	result = tmp;	424	result = tmp;
565	}	425	}
…		…
569	}	429	}
570	else	430	else
571	{	431	{
572	result = original_asim;	432	result = original_asim;
573		433
574	if ((w > 0 && w != original_asim->width)	434	if ((w != original_asim->width)
575	|| (h > 0 && h != original_asim->height))	435	|| (h != original_asim->height))
576	{	436	{
577	result = scale_asimage (target->asv, original_asim,	437	result = scale_asimage (asv, original_asim,
578	w > 0 ? w : original_asim->width,	438	w, h,
579	h > 0 ? h : original_asim->height,
580	background ? ASA_ASImage : ASA_XImage,	439	background ? ASA_ASImage : ASA_XImage,
581	100, ASIMAGE_QUALITY_DEFAULT);	440	100, ASIMAGE_QUALITY_DEFAULT);
582	}	441	}
583		442
584	if (background == NULL)	443	if (background == NULL)
585	{	444	{
586	if (h_scale == 0 || v_scale == 0)	445	if (bg_flags & BG_TILE)
587	{	446	{
588	/* if tiling - pixmap has to be sized exactly as the image,	447	/* if tiling - pixmap has to be sized exactly as the image,
589	but there is no need to make it bigger than the window! */	448	but there is no need to make it bigger than the window! */
590	new_pmap_width = min (result->width, target_width);	449	new_pmap_width = min (result->width, target_width);
591	new_pmap_height = min (result->height, target_height);	450	new_pmap_height = min (result->height, target_height);
592		451
593	/* we also need to tile our image in both directions */	452	/* we also need to tile our image in both directions */
594	ASImage *tmp = tile_asimage (target->asv, result,	453	ASImage *tmp = tile_asimage (asv, result,
595	(int)result->width - x,	454	(int)result->width - x,
596	(int)result->height - y,	455	(int)result->height - y,
597	new_pmap_width,	456	new_pmap_width,
598	new_pmap_height,	457	new_pmap_height,
599	TINT_LEAVE_SAME, ASA_XImage,	458	TINT_LEAVE_SAME, ASA_XImage,
…		…
616	layers[0].clip_width = target_width;	475	layers[0].clip_width = target_width;
617	layers[0].clip_height = target_height;	476	layers[0].clip_height = target_height;
618	layers[0].tint = background_tint;	477	layers[0].tint = background_tint;
619	layers[1].im = result;	478	layers[1].im = result;
620		479
621	if (w <= 0)	480	if (bg_flags & BG_TILE)
622	{	481	{
623	/* tile horizontally */	482	/* tile horizontally */
624	while (x > 0) x -= (int)result->width;	483	while (x > 0) x -= (int)result->width;
625	layers[1].dst_x = x;	484	layers[1].dst_x = x;
626	layers[1].clip_width = result->width+target_width;	485	layers[1].clip_width = result->width+target_width;
…		…
630	/* clip horizontally */	489	/* clip horizontally */
631	layers[1].dst_x = x;	490	layers[1].dst_x = x;
632	layers[1].clip_width = result->width;	491	layers[1].clip_width = result->width;
633	}	492	}
634		493
635	if (h <= 0)	494	if (bg_flags & BG_TILE)
636	{	495	{
637	while (y > 0) y -= (int)result->height;	496	while (y > 0) y -= (int)result->height;
638	layers[1].dst_y = y;	497	layers[1].dst_y = y;
639	layers[1].clip_height = result->height + target_height;	498	layers[1].clip_height = result->height + target_height;
640	}	499	}
…		…
642	{	501	{
643	layers[1].dst_y = y;	502	layers[1].dst_y = y;
644	layers[1].clip_height = result->height;	503	layers[1].clip_height = result->height;
645	}	504	}
646		505
647	if (target->rs[Rs_blendtype])	506	if (rs[Rs_blendtype])
648	{	507	{
649	layers[1].merge_scanlines = blend_scanlines_name2func (target->rs[Rs_blendtype]);	508	layers[1].merge_scanlines = blend_scanlines_name2func (rs[Rs_blendtype]);
650	if (layers[1].merge_scanlines == NULL)	509	if (layers[1].merge_scanlines == NULL)
651	layers[1].merge_scanlines = alphablend_scanlines;	510	layers[1].merge_scanlines = alphablend_scanlines;
652	}	511	}
653		512
654	ASImage *tmp = merge_layers (target->asv, layers, 2, target_width, target_height,	513	ASImage *tmp = merge_layers (asv, layers, 2, target_width, target_height,
655	ASA_XImage, 0, ASIMAGE_QUALITY_DEFAULT);	514	ASA_XImage, 0, ASIMAGE_QUALITY_DEFAULT);
656		515
657	if (tmp)	516	if (tmp)
658	{	517	{
659	if (result != original_asim)	518	if (result != original_asim)
…		…
663	}	522	}
664		523
665	free (layers);	524	free (layers);
666	}	525	}
667	}	526	}
668	TIMING_TEST_PRINT_RESULT (asim);
669		527
670	bool ret = false;	528	bool ret = false;
671		529
672	if (result)	530	if (result)
673	{	531	{
674	XGCValues gcv;	532	XGCValues gcv;
675	GC gc;	533	GC gc;
676		534
677	if (pixmap)
678	{
679	if (pmap_width != new_pmap_width
680	|| pmap_height != new_pmap_height
681	|| pmap_depth != target->depth)
682	{
683	XFreePixmap (target->dpy, pixmap);
684	pixmap = None;
685	}
686	}
687
688	/* create Pixmap */	535	/* create Pixmap */
689	if (pixmap == None)	536	if (bg_pixmap == None
		537	|| bg_pmap_width != new_pmap_width
		538	|| bg_pmap_height != new_pmap_height)
690	{	539	{
		540	if (bg_pixmap)
		541	XFreePixmap (dpy, bg_pixmap);
691	pixmap = XCreatePixmap (target->dpy, target->vt, new_pmap_width, new_pmap_height, target->depth);	542	bg_pixmap = XCreatePixmap (dpy, vt, new_pmap_width, new_pmap_height, depth);
692	pmap_width = new_pmap_width;	543	bg_pmap_width = new_pmap_width;
693	pmap_height = new_pmap_height;	544	bg_pmap_height = new_pmap_height;
694	pmap_depth = target->depth;
695	}	545	}
696	/* fill with background color (if result's not completely overlapping it) */	546	/* fill with background color (if result's not completely overlapping it) */
697	gcv.foreground = target->pix_colors[Color_bg];	547	gcv.foreground = pix_colors[Color_bg];
698	gc = XCreateGC (target->dpy, target->vt, GCForeground, &gcv);	548	gc = XCreateGC (dpy, vt, GCForeground, &gcv);
699		549
700	int src_x = 0, src_y = 0, dst_x = 0, dst_y = 0;	550	int src_x = 0, src_y = 0, dst_x = 0, dst_y = 0;
701	int dst_width = result->width, dst_height = result->height;	551	int dst_width = result->width, dst_height = result->height;
702	if (background == NULL)	552	if (background == NULL)
703	{	553	{
704	if (!(h_scale == 0 || v_scale == 0))	554	if (!(bg_flags & BG_TILE))
705	{	555	{
706	src_x = make_clip_rectangle (x, result->width , new_pmap_width , dst_x, dst_width );	556	src_x = make_clip_rectangle (x, result->width , new_pmap_width , dst_x, dst_width );
707	src_y = make_clip_rectangle (y, result->height, new_pmap_height, dst_y, dst_height);	557	src_y = make_clip_rectangle (y, result->height, new_pmap_height, dst_y, dst_height);
708	}	558	}
709		559
710	if (dst_x > 0 || dst_y > 0	560	if (dst_x > 0 || dst_y > 0
711	|| dst_x + dst_width < new_pmap_width	561	|| dst_x + dst_width < new_pmap_width
712	|| dst_y + dst_height < new_pmap_height)	562	|| dst_y + dst_height < new_pmap_height)
713	XFillRectangle (target->dpy, pixmap, gc, 0, 0, new_pmap_width, new_pmap_height);	563	XFillRectangle (dpy, bg_pixmap, gc, 0, 0, new_pmap_width, new_pmap_height);
714	}	564	}
715		565
716	/* put result on pixmap */	566	/* put result on pixmap */
717	if (dst_x < new_pmap_width && dst_y < new_pmap_height)	567	if (dst_x < new_pmap_width && dst_y < new_pmap_height)
718	asimage2drawable (target->asv, pixmap, result, gc, src_x, src_y, dst_x, dst_y, dst_width, dst_height, True);	568	asimage2drawable (asv, bg_pixmap, result, gc, src_x, src_y, dst_x, dst_y, dst_width, dst_height, True);
719		569
720	if (result != background && result != original_asim)	570	if (result != background && result != original_asim)
721	destroy_asimage (&result);	571	destroy_asimage (&result);
722		572
723	XFreeGC (target->dpy, gc);	573	XFreeGC (dpy, gc);
724	TIMING_TEST_PRINT_RESULT (asim);
725		574
726	ret = true;	575	ret = true;
727	}	576	}
728		577
729	if (background)	578	if (background)
…		…
733	}	582	}
734	# endif /* HAVE_AFTERIMAGE */	583	# endif /* HAVE_AFTERIMAGE */
735		584
736	# ifdef HAVE_PIXBUF	585	# ifdef HAVE_PIXBUF
737	bool	586	bool
738	bgPixmap_t::render_image (unsigned long background_flags)	587	rxvt_term::pixbuf_to_pixmap (GdkPixbuf *pixbuf, Pixmap pixmap, GC gc,
		588	int src_x, int src_y, int dst_x, int dst_y,
		589	unsigned int width, unsigned int height)
739	{	590	{
740	if (target == NULL)	591	XImage *ximage;
		592	char *data, *line;
		593	int bytes_per_pixel;
		594	int width_r, width_g, width_b;
		595	int sh_r, sh_g, sh_b;
		596	int rowstride;
		597	int channels;
		598	unsigned char *row;
		599
		600	if (visual->c_class != TrueColor)
741	return false;	601	return false;
742		602
		603	if (depth == 24 || depth == 32)
		604	bytes_per_pixel = 4;
		605	else if (depth == 15 || depth == 16)
		606	bytes_per_pixel = 2;
		607	else
		608	return false;
		609
		610	width_r = ecb_popcount32 (visual->red_mask);
		611	width_g = ecb_popcount32 (visual->green_mask);
		612	width_b = ecb_popcount32 (visual->blue_mask);
		613
		614	if (width_r > 8 || width_g > 8 || width_b > 8)
		615	return false;
		616
		617	sh_r = ecb_ctz32 (visual->red_mask);
		618	sh_g = ecb_ctz32 (visual->green_mask);
		619	sh_b = ecb_ctz32 (visual->blue_mask);
		620
		621	if (width > INT_MAX / height / bytes_per_pixel)
		622	return false;
		623
		624	data = (char *)malloc (width * height * bytes_per_pixel);
		625	if (!data)
		626	return false;
		627
		628	ximage = XCreateImage (dpy, visual, depth, ZPixmap, 0, data,
		629	width, height, bytes_per_pixel * 8, 0);
		630	if (!ximage)
		631	{
		632	free (data);
		633	return false;
		634	}
		635
		636	ximage->byte_order = ecb_big_endian () ? MSBFirst : LSBFirst;
		637
		638	rowstride = gdk_pixbuf_get_rowstride (pixbuf);
		639	channels = gdk_pixbuf_get_n_channels (pixbuf);
		640	row = gdk_pixbuf_get_pixels (pixbuf) + src_y * rowstride + src_x * channels;
		641	line = data;
		642
		643	for (int y = 0; y < height; y++)
		644	{
		645	for (int x = 0; x < width; x++)
		646	{
		647	unsigned char *pixel = row + x * channels;
		648	uint32_t value;
		649
		650	value = ((pixel[0] >> (8 - width_r)) << sh_r)
		651	| ((pixel[1] >> (8 - width_g)) << sh_g)
		652	| ((pixel[2] >> (8 - width_b)) << sh_b);
		653
		654	if (bytes_per_pixel == 4)
		655	((uint32_t *)line)[x] = value;
		656	else
		657	((uint16_t *)line)[x] = value;
		658	}
		659
		660	row += rowstride;
		661	line += ximage->bytes_per_line;
		662	}
		663
		664	XPutImage (dpy, pixmap, gc, ximage, 0, 0, dst_x, dst_y, width, height);
		665	XDestroyImage (ximage);
		666	return true;
		667	}
		668
		669	bool
		670	rxvt_term::render_image (unsigned long tr_flags)
		671	{
743	if (!pixbuf)	672	if (!pixbuf)
744	return false;	673	return false;
745		674
746	// TODO: add alpha blending	675	if (tr_flags
747	if (background_flags)	676	&& !(bg_flags & BG_HAS_RENDER))
748	return false;	677	return false;
749		678
750	GdkPixbuf *result;	679	GdkPixbuf *result;
751		680
752	int image_width = gdk_pixbuf_get_width (pixbuf);	681	int image_width = gdk_pixbuf_get_width (pixbuf);
753	int image_height = gdk_pixbuf_get_height (pixbuf);	682	int image_height = gdk_pixbuf_get_height (pixbuf);
754		683
755	int target_width = target->szHint.width;	684	int target_width = szHint.width;
756	int target_height = target->szHint.height;	685	int target_height = szHint.height;
757	int new_pmap_width = target_width;	686	int new_pmap_width = target_width;
758	int new_pmap_height = target_height;	687	int new_pmap_height = target_height;
759		688
760	int x = 0;	689	int x = 0;
761	int y = 0;	690	int y = 0;
762	int w = 0;	691	int w = 0;
763	int h = 0;	692	int h = 0;
764		693
765	get_image_geometry (image_width, image_height, w, h, x, y);	694	get_image_geometry (image_width, image_height, w, h, x, y);
766		695
		696	if (!(bg_flags & BG_ROOT_ALIGN)
767	if (x >= target_width	697	&& (x >= target_width
768	|| y >= target_height	698	|| y >= target_height
769	|| (w > 0 && x + w <= 0)	699	|| (x + w <= 0)
770	|| (h > 0 && y + h <= 0))	700	|| (y + h <= 0)))
771	return false;	701	return false;
772		702
773	result = pixbuf;	703	result = pixbuf;
774		704
775	if ((w > 0 && w != image_width)	705	if ((w != image_width)
776	|| (h > 0 && h != image_height))	706	|| (h != image_height))
777	{	707	{
778	result = gdk_pixbuf_scale_simple (pixbuf,	708	result = gdk_pixbuf_scale_simple (pixbuf,
779	w > 0 ? w : image_width,	709	w, h,
780	h > 0 ? h : image_height,
781	GDK_INTERP_BILINEAR);	710	GDK_INTERP_BILINEAR);
782	}	711	}
783		712
		713	if (!result)
		714	return false;
		715
784	bool ret = false;	716	bool ret = false;
785		717
786	if (result)
787	{
788	XGCValues gcv;	718	XGCValues gcv;
789	GC gc;	719	GC gc;
		720	Pixmap root_pmap;
790		721
791	image_width = gdk_pixbuf_get_width (result);	722	image_width = gdk_pixbuf_get_width (result);
792	image_height = gdk_pixbuf_get_height (result);	723	image_height = gdk_pixbuf_get_height (result);
793		724
794	if (h_scale == 0 || v_scale == 0)	725	if (tr_flags)
		726	{
		727	root_pmap = bg_pixmap;
		728	bg_pixmap = None;
		729	}
		730	else
		731	{
		732	if (bg_flags & BG_TILE)
795	{	733	{
796	new_pmap_width = min (image_width, target_width);	734	new_pmap_width = min (image_width, target_width);
797	new_pmap_height = min (image_height, target_height);	735	new_pmap_height = min (image_height, target_height);
798	}	736	}
		737	}
799		738
		739	if (bg_pixmap == None
		740	|| bg_pmap_width != new_pmap_width
		741	|| bg_pmap_height != new_pmap_height)
		742	{
800	if (pixmap)	743	if (bg_pixmap)
801	{
802	if (pmap_width != new_pmap_width
803	|| pmap_height != new_pmap_height
804	|| pmap_depth != target->depth)
805	{
806	XFreePixmap (target->dpy, pixmap);	744	XFreePixmap (dpy, bg_pixmap);
807	pixmap = None;
808	}
809	}
810
811	if (pixmap == None)
812	{
813	pixmap = XCreatePixmap (target->dpy, target->vt, new_pmap_width, new_pmap_height, target->depth);	745	bg_pixmap = XCreatePixmap (dpy, vt, new_pmap_width, new_pmap_height, depth);
814	pmap_width = new_pmap_width;	746	bg_pmap_width = new_pmap_width;
815	pmap_height = new_pmap_height;	747	bg_pmap_height = new_pmap_height;
816	pmap_depth = target->depth;	748	}
		749
		750	gcv.foreground = pix_colors[Color_bg];
		751	gc = XCreateGC (dpy, vt, GCForeground, &gcv);
		752
		753	if (gc)
		754	{
		755	if (bg_flags & BG_TILE)
817	}	756	{
818
819	gcv.foreground = target->pix_colors[Color_bg];
820	gc = XCreateGC (target->dpy, target->vt, GCForeground, &gcv);
821
822	if (h_scale == 0 || v_scale == 0)
823	{
824	Pixmap tile = XCreatePixmap (target->dpy, target->vt, image_width, image_height, target->depth);	757	Pixmap tile = XCreatePixmap (dpy, vt, image_width, image_height, depth);
825	gdk_pixbuf_xlib_render_to_drawable (result, tile, gc,	758	pixbuf_to_pixmap (result, tile, gc,
826	0, 0,	759	0, 0,
827	0, 0,	760	0, 0,
828	image_width, image_height,	761	image_width, image_height);
829	XLIB_RGB_DITHER_NONE,
830	0, 0);
831		762
832	gcv.tile = tile;	763	gcv.tile = tile;
833	gcv.fill_style = FillTiled;	764	gcv.fill_style = FillTiled;
834	gcv.ts_x_origin = x;	765	gcv.ts_x_origin = x;
835	gcv.ts_y_origin = y;	766	gcv.ts_y_origin = y;
836	XChangeGC (target->dpy, gc, GCFillStyle | GCTile | GCTileStipXOrigin | GCTileStipYOrigin, &gcv);	767	XChangeGC (dpy, gc, GCFillStyle | GCTile | GCTileStipXOrigin | GCTileStipYOrigin, &gcv);
837		768
838	XFillRectangle (target->dpy, pixmap, gc, 0, 0, new_pmap_width, new_pmap_height);	769	XFillRectangle (dpy, bg_pixmap, gc, 0, 0, new_pmap_width, new_pmap_height);
839	XFreePixmap (target->dpy, tile);	770	XFreePixmap (dpy, tile);
840	}	771	}
841	else	772	else
842	{	773	{
843	int src_x, src_y, dst_x, dst_y;	774	int src_x, src_y, dst_x, dst_y;
844	int dst_width, dst_height;	775	int dst_width, dst_height;
…		…
847	src_y = make_clip_rectangle (y, image_height, new_pmap_height, dst_y, dst_height);	778	src_y = make_clip_rectangle (y, image_height, new_pmap_height, dst_y, dst_height);
848		779
849	if (dst_x > 0 || dst_y > 0	780	if (dst_x > 0 || dst_y > 0
850	|| dst_x + dst_width < new_pmap_width	781	|| dst_x + dst_width < new_pmap_width
851	|| dst_y + dst_height < new_pmap_height)	782	|| dst_y + dst_height < new_pmap_height)
852	XFillRectangle (target->dpy, pixmap, gc, 0, 0, new_pmap_width, new_pmap_height);	783	XFillRectangle (dpy, bg_pixmap, gc, 0, 0, new_pmap_width, new_pmap_height);
853		784
854	if (dst_x < new_pmap_width && dst_y < new_pmap_height)	785	if (dst_x < new_pmap_width && dst_y < new_pmap_height)
855	gdk_pixbuf_xlib_render_to_drawable (result, pixmap, gc,	786	pixbuf_to_pixmap (result, bg_pixmap, gc,
856	src_x, src_y,	787	src_x, src_y,
857	dst_x, dst_y,	788	dst_x, dst_y,
858	dst_width, dst_height,	789	dst_width, dst_height);
859	XLIB_RGB_DITHER_NONE,	790	}
860	0, 0);	791
		792	#if XRENDER
		793	if (tr_flags)
861	}	794	{
		795	XRenderPictureAttributes pa;
862		796
863	if (result != pixbuf)	797	XRenderPictFormat *src_format = XRenderFindVisualFormat (dpy, visual);
864	g_object_unref (result);	798	Picture src = XRenderCreatePicture (dpy, root_pmap, src_format, 0, &pa);
865		799
		800	XRenderPictFormat *dst_format = XRenderFindVisualFormat (dpy, visual);
		801	Picture dst = XRenderCreatePicture (dpy, bg_pixmap, dst_format, 0, &pa);
		802
		803	pa.repeat = True;
		804	Pixmap mask_pmap = XCreatePixmap (dpy, vt, 1, 1, 8);
		805	XRenderPictFormat *mask_format = XRenderFindStandardFormat (dpy, PictStandardA8);
		806	Picture mask = XRenderCreatePicture (dpy, mask_pmap, mask_format, CPRepeat, &pa);
		807	XFreePixmap (dpy, mask_pmap);
		808
		809	XRenderColor mask_c;
		810
		811	mask_c.alpha = 0x8000;
		812	mask_c.red = 0;
		813	mask_c.green = 0;
		814	mask_c.blue = 0;
		815	XRenderFillRectangle (dpy, PictOpSrc, mask, &mask_c, 0, 0, 1, 1);
		816	XRenderComposite (dpy, PictOpOver, src, mask, dst, 0, 0, 0, 0, 0, 0, target_width, target_height);
		817
		818	XRenderFreePicture (dpy, src);
		819	XRenderFreePicture (dpy, dst);
		820	XRenderFreePicture (dpy, mask);
		821	}
		822	#endif
		823
866	XFreeGC (target->dpy, gc);	824	XFreeGC (dpy, gc);
867		825
868	ret = true;	826	ret = true;
869	}	827	}
870		828
		829	if (result != pixbuf)
		830	g_object_unref (result);
		831
		832	if (tr_flags)
		833	XFreePixmap (dpy, root_pmap);
		834
871	return ret;	835	return ret;
872	}	836	}
873	# endif /* HAVE_PIXBUF */	837	# endif /* HAVE_PIXBUF */
874		838
875	bool	839	bool
876	bgPixmap_t::set_file (const char *file)	840	rxvt_term::bg_set_file (const char *file)
877	{	841	{
878	assert (file);	842	if (!file || !*file)
		843	return false;
879		844
880	if (*file)
881	{
882	if (const char *p = strchr (file, ';'))	845	if (const char *p = strchr (file, ';'))
883	{	846	{
884	size_t len = p - file;	847	size_t len = p - file;
885	char *f = rxvt_temp_buf<char> (len + 1);	848	char *f = rxvt_temp_buf<char> (len + 1);
886	memcpy (f, file, len);	849	memcpy (f, file, len);
887	f[len] = '\0';	850	f[len] = '\0';
888	file = f;	851	file = f;
889	}	852	}
890		853
891	# ifdef HAVE_AFTERIMAGE	854	# ifdef HAVE_AFTERIMAGE
892	if (!target->asimman)	855	if (!asimman)
893	target->asimman = create_generic_imageman (target->rs[Rs_path]);	856	asimman = create_generic_imageman (rs[Rs_path]);
894	original_asim = get_asimage (target->asimman, file, 0xFFFFFFFF, 100);	857	ASImage *image = get_asimage (asimman, file, 0xFFFFFFFF, 100);
		858	if (image)
		859	{
895	if (original_asim)	860	if (original_asim)
896	have_image = true;	861	safe_asimage_destroy (original_asim);
897	return have_image;	862	original_asim = image;
		863	bg_flags |= BG_IS_FROM_FILE | BG_CLIENT_RENDER;
		864	return true;
		865	}
898	# endif	866	# endif
899		867
900	# ifdef HAVE_PIXBUF	868	# ifdef HAVE_PIXBUF
901	pixbuf = gdk_pixbuf_new_from_file (file, NULL);	869	GdkPixbuf *image = gdk_pixbuf_new_from_file (file, NULL);
		870	if (image)
		871	{
902	if (pixbuf)	872	if (pixbuf)
903	have_image = true;	873	g_object_unref (pixbuf);
904	return have_image;	874	pixbuf = image;
		875	bg_flags |= BG_IS_FROM_FILE;
		876	return true;
		877	}
905	# endif	878	# endif
906	}
907		879
908	return false;	880	return false;
909	}	881	}
910		882
911	# endif /* BG_IMAGE_FROM_FILE */	883	# endif /* BG_IMAGE_FROM_FILE */
912		884
913	# ifdef ENABLE_TRANSPARENCY	885	# ifdef ENABLE_TRANSPARENCY
914	bool	886	bool
915	bgPixmap_t::set_transparent ()	887	rxvt_term::bg_set_transparent ()
916	{	888	{
917	if (!(flags & isTransparent))	889	if (!(bg_flags & BG_IS_TRANSPARENT))
918	{	890	{
919	flags |= isTransparent;	891	bg_flags |= BG_IS_TRANSPARENT;
920	return true;	892	return true;
921	}	893	}
922		894
923	return false;	895	return false;
924	}	896	}
925		897
926	bool	898	bool
927	bgPixmap_t::set_blur_radius (const char *geom)	899	rxvt_term::bg_set_blur (const char *geom)
928	{	900	{
929	int changed = 0;	901	bool changed = false;
930	unsigned int hr, vr;	902	unsigned int hr, vr;
931	int junk;	903	int junk;
932	int geom_flags = XParseGeometry (geom, &junk, &junk, &hr, &vr);	904	int geom_flags = XParseGeometry (geom, &junk, &junk, &hr, &vr);
933		905
934	if (!(geom_flags & WidthValue))	906	if (!(geom_flags & WidthValue))
935	hr = 1;	907	hr = 1;
936	if (!(geom_flags & HeightValue))	908	if (!(geom_flags & HeightValue))
937	vr = hr;	909	vr = hr;
938		910
		911	min_it (hr, 128);
		912	min_it (vr, 128);
		913
939	if (h_blurRadius != hr)	914	if (h_blurRadius != hr)
940	{	915	{
941	++changed;	916	changed = true;
942	h_blurRadius = hr;	917	h_blurRadius = hr;
943	}	918	}
944		919
945	if (v_blurRadius != vr)	920	if (v_blurRadius != vr)
946	{	921	{
947	++changed;	922	changed = true;
948	v_blurRadius = vr;	923	v_blurRadius = vr;
949	}	924	}
950		925
951	if (v_blurRadius == 0 && h_blurRadius == 0)	926	if (v_blurRadius == 0 && h_blurRadius == 0)
952	flags &= ~blurNeeded;	927	bg_flags &= ~BG_NEEDS_BLUR;
953	else	928	else
954	flags |= blurNeeded;	929	bg_flags |= BG_NEEDS_BLUR;
955		930
956	return (changed > 0);	931	return changed;
957	}	932	}
958		933
959	static inline unsigned long	934	void
960	compute_tint_shade_flags (rxvt_color *tint, int shade)	935	rxvt_term::set_tint_shade_flags ()
961	{	936	{
962	unsigned long flags = 0;
963	rgba c (rgba::MAX_CC,rgba::MAX_CC,rgba::MAX_CC);	937	rgba c (rgba::MAX_CC,rgba::MAX_CC,rgba::MAX_CC);
964	bool has_shade = (shade > 0 && shade < 100) || (shade > 100 && shade < 200);	938	bool has_shade = shade != 100;
965		939
966	if (tint)	940	bg_flags &= ~BG_TINT_FLAGS;
		941
		942	if (bg_flags & BG_TINT_SET)
967	{	943	{
968	tint->get (c);	944	tint.get (c);
969	# define IS_COMPONENT_WHOLESOME(cmp) ((cmp) <= 0x000700 || (cmp) >= 0x00f700)
970	if (!has_shade && IS_COMPONENT_WHOLESOME (c.r)
971	&& IS_COMPONENT_WHOLESOME (c.g)
972	&& IS_COMPONENT_WHOLESOME (c.b))
973	flags |= bgPixmap_t::tintWholesome;
974	# undef IS_COMPONENT_WHOLESOME
975	}
976
977	if (has_shade)	945	if (!has_shade
978	flags |= bgPixmap_t::tintNeeded;	946	&& (c.r <= 0x00ff || c.r >= 0xff00)
979	else if (tint)	947	&& (c.g <= 0x00ff || c.g >= 0xff00)
		948	&& (c.b <= 0x00ff || c.b >= 0xff00))
		949	bg_flags |= BG_TINT_BITAND;
980	{	950	}
981	if ((c.r > 0x000700 || c.g > 0x000700 || c.b > 0x000700)	951
982	&& (c.r < 0x00f700 || c.g < 0x00f700 || c.b < 0x00f700))	952	if (has_shade || (bg_flags & BG_TINT_SET))
983	{	953	bg_flags |= BG_NEEDS_TINT;
984	flags |= bgPixmap_t::tintNeeded;	954	}
985	}	955
		956	bool
		957	rxvt_term::bg_set_tint (rxvt_color &new_tint)
		958	{
		959	if (!(bg_flags & BG_TINT_SET) || tint != new_tint)
986	}	960	{
987		961	tint = new_tint;
988	if (flags & bgPixmap_t::tintNeeded)	962	bg_flags |= BG_TINT_SET;
		963	set_tint_shade_flags ();
		964	return true;
989	{	965	}
990	if (flags & bgPixmap_t::tintWholesome)	966
991	flags |= bgPixmap_t::tintServerSide;	967	return false;
992	else	968	}
993	{	969
994	#if XFT	970	bool
995	flags |= bgPixmap_t::tintServerSide;	971	rxvt_term::bg_set_shade (const char *shade_str)
		972	{
		973	int new_shade = (shade_str) ? atoi (shade_str) : 100;
		974
		975	clamp_it (new_shade, -100, 200);
		976	if (new_shade < 0)
		977	new_shade = 200 - (100 + new_shade);
		978
		979	if (new_shade != shade)
		980	{
		981	shade = new_shade;
		982	set_tint_shade_flags ();
		983	return true;
		984	}
		985
		986	return false;
		987	}
		988
		989	#if XRENDER
		990	static void
		991	get_gaussian_kernel (int radius, int width, double *kernel, XFixed *params)
		992	{
		993	double sigma = radius / 2.0;
		994	double scale = sqrt (2.0 * M_PI) * sigma;
		995	double sum = 0.0;
		996
		997	for (int i = 0; i < width; i++)
		998	{
		999	double x = i - width / 2;
		1000	kernel[i] = exp (-(x * x) / (2.0 * sigma * sigma)) / scale;
		1001	sum += kernel[i];
		1002	}
		1003
		1004	params[0] = XDoubleToFixed (width);
		1005	params[1] = XDoubleToFixed (1);
		1006
		1007	for (int i = 0; i < width; i++)
		1008	params[i+2] = XDoubleToFixed (kernel[i] / sum);
		1009	}
996	#endif	1010	#endif
997	}
998	}
999
1000	return flags;
1001	}
1002		1011
1003	bool	1012	bool
1004	bgPixmap_t::set_tint (rxvt_color &new_tint)	1013	rxvt_term::blur_pixmap (Pixmap pixmap, Visual *visual, int width, int height)
1005	{	1014	{
1006	if (tint != new_tint)	1015	bool ret = false;
		1016	#if XRENDER
		1017	int size = max (h_blurRadius, v_blurRadius) * 2 + 1;
		1018	double *kernel = (double *)malloc (size * sizeof (double));
		1019	XFixed *params = (XFixed *)malloc ((size + 2) * sizeof (XFixed));
		1020
		1021	XRenderPictureAttributes pa;
		1022	XRenderPictFormat *format = XRenderFindVisualFormat (dpy, visual);
		1023
		1024	Picture src = XRenderCreatePicture (dpy, pixmap, format, 0, &pa);
		1025	Picture dst = XRenderCreatePicture (dpy, pixmap, format, 0, &pa);
		1026
		1027	if (kernel && params)
1007	{	1028	{
1008	unsigned long new_flags = compute_tint_shade_flags (&new_tint, shade);	1029	if (h_blurRadius)
1009	tint = new_tint;	1030	{
1010	flags = (flags & ~tintFlags) | new_flags | tintSet;	1031	size = h_blurRadius * 2 + 1;
		1032	get_gaussian_kernel (h_blurRadius, size, kernel, params);
		1033
		1034	XRenderSetPictureFilter (dpy, src, FilterConvolution, params, size+2);
		1035	XRenderComposite (dpy,
		1036	PictOpSrc,
		1037	src,
		1038	None,
		1039	dst,
		1040	0, 0,
		1041	0, 0,
		1042	0, 0,
		1043	width, height);
		1044	}
		1045
		1046	if (v_blurRadius)
		1047	{
		1048	size = v_blurRadius * 2 + 1;
		1049	get_gaussian_kernel (v_blurRadius, size, kernel, params);
		1050	::swap (params[0], params[1]);
		1051
		1052	XRenderSetPictureFilter (dpy, src, FilterConvolution, params, size+2);
		1053	XRenderComposite (dpy,
		1054	PictOpSrc,
		1055	src,
		1056	None,
		1057	dst,
		1058	0, 0,
		1059	0, 0,
		1060	0, 0,
		1061	width, height);
		1062	}
		1063
1011	return true;	1064	ret = true;
1012	}	1065	}
1013		1066
		1067	free (kernel);
		1068	free (params);
		1069	XRenderFreePicture (dpy, src);
		1070	XRenderFreePicture (dpy, dst);
		1071	#endif
1014	return false;	1072	return ret;
1015	}	1073	}
1016		1074
1017	bool	1075	bool
1018	bgPixmap_t::unset_tint ()	1076	rxvt_term::tint_pixmap (Pixmap pixmap, Visual *visual, int width, int height)
1019	{	1077	{
1020	unsigned long new_flags = compute_tint_shade_flags (NULL, shade);
1021
1022	if (new_flags != (flags & tintFlags))
1023	{
1024	flags = (flags & ~tintFlags) | new_flags;
1025	return true;
1026	}
1027
1028	return false;
1029	}
1030
1031	bool
1032	bgPixmap_t::set_shade (const char *shade_str)
1033	{
1034	int new_shade = (shade_str) ? atoi (shade_str) : 0;
1035
1036	if (new_shade < 0 && new_shade > -100)
1037	new_shade = 200 - (100 + new_shade);
1038	else if (new_shade == 100)
1039	new_shade = 0;
1040
1041	if (new_shade != shade)
1042	{
1043	unsigned long new_flags = compute_tint_shade_flags ((flags & tintSet) ? &tint : NULL, new_shade);
1044	shade = new_shade;
1045	flags = (flags & (~tintFlags | tintSet)) | new_flags;
1046	return true;
1047	}
1048
1049	return false;
1050	}
1051
1052	bool
1053	bgPixmap_t::tint_pixmap (Pixmap pixmap)
1054	{
1055	Window root = target->display->root;
1056	Display *dpy = target->dpy;
1057	int window_width = target->szHint.width;
1058	int window_height = target->szHint.height;
1059	bool ret = false;	1078	bool ret = false;
1060		1079
1061	if (flags & tintWholesome)	1080	if (bg_flags & BG_TINT_BITAND)
1062	{	1081	{
1063	XGCValues gcv;	1082	XGCValues gcv;
1064	GC gc;	1083	GC gc;
1065		1084
1066	/* In this case we can tint image server-side getting significant	1085	/* In this case we can tint image server-side getting significant
1067	* performance improvements, as we eliminate XImage transfer	1086	* performance improvements, as we eliminate XImage transfer
1068	*/	1087	*/
1069	gcv.foreground = Pixel (tint);	1088	gcv.foreground = Pixel (tint);
1070	gcv.function = GXand;	1089	gcv.function = GXand;
1071	gcv.fill_style = FillSolid;	1090	gcv.fill_style = FillSolid;
1072	gc = XCreateGC (dpy, root, GCFillStyle | GCForeground | GCFunction, &gcv);	1091	gc = XCreateGC (dpy, pixmap, GCFillStyle | GCForeground | GCFunction, &gcv);
1073	if (gc)	1092	if (gc)
1074	{	1093	{
1075	XFillRectangle (dpy, pixmap, gc, 0, 0, window_width, window_height);	1094	XFillRectangle (dpy, pixmap, gc, 0, 0, width, height);
1076	ret = true;	1095	ret = true;
1077	XFreeGC (dpy, gc);	1096	XFreeGC (dpy, gc);
1078	}	1097	}
1079	}	1098	}
1080	else	1099	else
1081	{	1100	{
1082	# if XFT	1101	# if XRENDER
1083	rgba c (rgba::MAX_CC,rgba::MAX_CC,rgba::MAX_CC);	1102	rgba c (rgba::MAX_CC, rgba::MAX_CC, rgba::MAX_CC);
1084		1103
1085	if (flags & tintSet)	1104	if (bg_flags & BG_TINT_SET)
1086	tint.get (c);	1105	tint.get (c);
1087		1106
1088	if (shade > 0 && shade < 100)	1107	if (shade <= 100)
1089	{	1108	{
1090	c.r = (c.r * shade) / 100;	1109	c.r = c.r * shade / 100;
1091	c.g = (c.g * shade) / 100;	1110	c.g = c.g * shade / 100;
1092	c.b = (c.b * shade) / 100;	1111	c.b = c.b * shade / 100;
1093	}
1094	else if (shade > 100 && shade < 200)
1095	{	1112	}
		1113	else
		1114	{
1096	c.r = (c.r * (200 - shade)) / 100;	1115	c.r = c.r * (200 - shade) / 100;
1097	c.g = (c.g * (200 - shade)) / 100;	1116	c.g = c.g * (200 - shade) / 100;
1098	c.b = (c.b * (200 - shade)) / 100;	1117	c.b = c.b * (200 - shade) / 100;
1099	}	1118	}
1100		1119
1101	XRenderPictFormat pf;	1120	XRenderPictFormat *solid_format = XRenderFindStandardFormat (dpy, PictStandardARGB32);
1102	pf.type = PictTypeDirect;
1103	pf.depth = 32;
1104	pf.direct.redMask = 0xff;
1105	pf.direct.greenMask = 0xff;
1106	pf.direct.blueMask = 0xff;
1107	pf.direct.alphaMask = 0xff;
1108
1109	XRenderPictFormat *solid_format = XRenderFindFormat (dpy,	1121	XRenderPictFormat *format = XRenderFindVisualFormat (dpy, visual);
1110	(PictFormatType|
1111	PictFormatDepth|
1112	PictFormatRedMask|
1113	PictFormatGreenMask|
1114	PictFormatBlueMask|
1115	PictFormatAlphaMask),
1116	&pf,
1117	0);
1118	XRenderPictFormat *root_format = XRenderFindVisualFormat (dpy, DefaultVisualOfScreen (ScreenOfDisplay (dpy, target->display->screen)));
1119	XRenderPictureAttributes pa;	1122	XRenderPictureAttributes pa;
1120		1123
1121	Picture back_pic = XRenderCreatePicture (dpy, pixmap, root_format, 0, &pa);	1124	Picture back_pic = XRenderCreatePicture (dpy, pixmap, format, 0, &pa);
1122		1125
1123	pa.repeat = True;	1126	pa.repeat = True;
1124		1127
1125	Pixmap overlay_pmap = XCreatePixmap (dpy, root, 1, 1, 32);	1128	Pixmap overlay_pmap = XCreatePixmap (dpy, pixmap, 1, 1, 32);
1126	Picture overlay_pic = XRenderCreatePicture (dpy, overlay_pmap, solid_format, CPRepeat, &pa);	1129	Picture overlay_pic = XRenderCreatePicture (dpy, overlay_pmap, solid_format, CPRepeat, &pa);
1127	XFreePixmap (dpy, overlay_pmap);	1130	XFreePixmap (dpy, overlay_pmap);
1128		1131
1129	pa.component_alpha = True;	1132	pa.component_alpha = True;
1130	Pixmap mask_pmap = XCreatePixmap (dpy, root, 1, 1, 32);	1133	Pixmap mask_pmap = XCreatePixmap (dpy, pixmap, 1, 1, 32);
1131	Picture mask_pic = XRenderCreatePicture (dpy, mask_pmap, solid_format, CPRepeat|CPComponentAlpha, &pa);	1134	Picture mask_pic = XRenderCreatePicture (dpy, mask_pmap, solid_format, CPRepeat | CPComponentAlpha, &pa);
1132	XFreePixmap (dpy, mask_pmap);	1135	XFreePixmap (dpy, mask_pmap);
1133		1136
1134	if (mask_pic && overlay_pic && back_pic)
1135	{
1136	XRenderColor mask_c;	1137	XRenderColor mask_c;
1137		1138
1138	memset (&mask_c, (shade > 100) ? 0xFF : 0x0, sizeof (mask_c));
1139	mask_c.alpha = 0xffff;	1139	mask_c.alpha = 0xffff;
		1140	mask_c.red =
		1141	mask_c.green =
		1142	mask_c.blue = 0;
		1143	XRenderFillRectangle (dpy, PictOpSrc, overlay_pic, &mask_c, 0, 0, 1, 1);
		1144
		1145	mask_c.alpha = 0;
		1146	mask_c.red = 0xffff - c.r;
		1147	mask_c.green = 0xffff - c.g;
		1148	mask_c.blue = 0xffff - c.b;
		1149	XRenderFillRectangle (dpy, PictOpSrc, mask_pic, &mask_c, 0, 0, 1, 1);
		1150	XRenderComposite (dpy, PictOpOver, overlay_pic, mask_pic, back_pic, 0, 0, 0, 0, 0, 0, width, height);
		1151
		1152	if (shade > 100)
		1153	{
		1154	mask_c.red = mask_c.green = mask_c.blue = 0xffff * (shade - 100) / 100;
		1155	mask_c.alpha = 0;
1140	XRenderFillRectangle (dpy, PictOpSrc, overlay_pic, &mask_c, 0, 0, 1, 1);	1156	XRenderFillRectangle (dpy, PictOpSrc, overlay_pic, &mask_c, 0, 0, 1, 1);
1141		1157
1142	mask_c.alpha = 0;
1143	mask_c.red = 0xffff - c.r;
1144	mask_c.green = 0xffff - c.g;
1145	mask_c.blue = 0xffff - c.b;
1146	XRenderFillRectangle (dpy, PictOpSrc, mask_pic, &mask_c, 0, 0, 1, 1);
1147	XRenderComposite (dpy, PictOpOver, overlay_pic, mask_pic, back_pic, 0, 0, 0, 0, 0, 0, window_width, window_height);	1158	XRenderComposite (dpy, PictOpOver, overlay_pic, None, back_pic, 0, 0, 0, 0, 0, 0, width, height);
		1159	}
		1160
1148	ret = true;	1161	ret = true;
1149	}
1150		1162
1151	XRenderFreePicture (dpy, mask_pic);	1163	XRenderFreePicture (dpy, mask_pic);
1152	XRenderFreePicture (dpy, overlay_pic);	1164	XRenderFreePicture (dpy, overlay_pic);
1153	XRenderFreePicture (dpy, back_pic);	1165	XRenderFreePicture (dpy, back_pic);
1154	# if DO_TIMING_TEST
1155	XSync (dpy, False);
1156	# endif
1157	# endif	1166	# endif
1158	}	1167	}
1159		1168
1160	return ret;	1169	return ret;
1161	}	1170	}
1162		1171
1163	/* make_transparency_pixmap()	1172	/*
1164	* Builds a pixmap sized the same as terminal window, with depth same as the root window	1173	* Builds a pixmap of the same size as the terminal window that contains
1165	* that pixmap contains tiled portion of the root pixmap that is supposed to be covered by	1174	* the tiled portion of the root pixmap that is supposed to be covered by
1166	* our window.	1175	* our window.
1167	*/	1176	*/
1168	unsigned long	1177	unsigned long
1169	bgPixmap_t::make_transparency_pixmap ()	1178	rxvt_term::make_transparency_pixmap ()
1170	{	1179	{
1171	unsigned long result = 0;	1180	unsigned long result = 0;
1172
1173	if (target == NULL)
1174	return 0;
1175		1181
1176	/* root dimensions may change from call to call - but Display structure should	1182	/* root dimensions may change from call to call - but Display structure should
1177	* be always up-to-date, so let's use it :	1183	* be always up-to-date, so let's use it :
1178	*/	1184	*/
1179	Window root = target->display->root;
1180	int screen = target->display->screen;	1185	int screen = display->screen;
1181	Display *dpy = target->dpy;	1186	int root_depth = DefaultDepth (dpy, screen);
1182	int root_width = DisplayWidth (dpy, screen);	1187	int root_width = DisplayWidth (dpy, screen);
1183	int root_height = DisplayHeight (dpy, screen);	1188	int root_height = DisplayHeight (dpy, screen);
1184	unsigned int root_pmap_width, root_pmap_height;	1189	unsigned int root_pmap_width, root_pmap_height;
1185	int window_width = target->szHint.width;	1190	int window_width = szHint.width;
1186	int window_height = target->szHint.height;	1191	int window_height = szHint.height;
1187	int sx, sy;	1192	int sx, sy;
1188	XGCValues gcv;	1193	XGCValues gcv;
		1194	GC gc;
1189		1195
1190	TIMING_TEST_START (tp);	1196	sx = target_x;
1191	target->get_window_origin (sx, sy);	1197	sy = target_y;
1192		1198
1193	/* check if we are outside of the visible part of the virtual screen : */	1199	/* check if we are outside of the visible part of the virtual screen : */
1194	if (sx + window_width <= 0 || sy + window_height <= 0	1200	if (sx + window_width <= 0 || sy + window_height <= 0
1195	|| sx >= root_width || sy >= root_height)	1201	|| sx >= root_width || sy >= root_height)
1196	return 0;	1202	return 0;
1197		1203
		1204	// validate root pixmap and get its size
1198	if (root_pixmap != None)	1205	if (root_pixmap != None)
1199	{	1206	{
1200	/* we want to validate the pixmap and get it's size at the same time : */	1207	Window wdummy;
1201	int junk;	1208	int idummy;
1202	unsigned int ujunk;	1209	unsigned int udummy;
1203	/* root pixmap may be bad - allow a error */	1210
1204	target->allowedxerror = -1;	1211	allowedxerror = -1;
1205		1212
1206	if (!XGetGeometry (dpy, root_pixmap, &root, &junk, &junk, &root_pmap_width, &root_pmap_height, &ujunk, &ujunk))	1213	if (!XGetGeometry (dpy, root_pixmap, &wdummy, &idummy, &idummy, &root_pmap_width, &root_pmap_height, &udummy, &udummy))
1207	root_pixmap = None;	1214	root_pixmap = None;
1208		1215
1209	target->allowedxerror = 0;	1216	allowedxerror = 0;
		1217	}
		1218
		1219	Pixmap recoded_root_pmap = root_pixmap;
		1220
		1221	if (root_pixmap != None && root_depth != depth)
1210	}	1222	{
		1223	#if XRENDER
		1224	if (bg_flags & BG_HAS_RENDER)
		1225	{
		1226	recoded_root_pmap = XCreatePixmap (dpy, vt, root_pmap_width, root_pmap_height, depth);
1211		1227
1212	Pixmap tiled_root_pmap = XCreatePixmap (dpy, root, window_width, window_height, root_depth);	1228	XRenderPictureAttributes pa;
1213	GC gc = NULL;
1214		1229
1215	if (tiled_root_pmap == None) /* something really bad happened - abort */	1230	XRenderPictFormat *src_format = XRenderFindVisualFormat (dpy, DefaultVisual (dpy, screen));
		1231	Picture src = XRenderCreatePicture (dpy, root_pixmap, src_format, 0, &pa);
		1232
		1233	XRenderPictFormat *dst_format = XRenderFindVisualFormat (dpy, visual);
		1234	Picture dst = XRenderCreatePicture (dpy, recoded_root_pmap, dst_format, 0, &pa);
		1235
		1236	XRenderComposite (dpy, PictOpSrc, src, None, dst, 0, 0, 0, 0, 0, 0, root_pmap_width, root_pmap_height);
		1237
		1238	XRenderFreePicture (dpy, src);
		1239	XRenderFreePicture (dpy, dst);
		1240	}
		1241	else
		1242	#endif
		1243	recoded_root_pmap = None;
		1244	}
		1245
		1246	if (recoded_root_pmap == None)
1216	return 0;	1247	return 0;
1217		1248
1218	if (root_pixmap == None)	1249	if (bg_pixmap == None
		1250	|| bg_pmap_width != window_width
		1251	|| bg_pmap_height != window_height)
1219	{	1252	{
1220	/* use tricks to obtain the root background image :*/	1253	if (bg_pixmap)
1221	/* we want to create Overrideredirect window overlapping out window
1222	with background type of Parent Relative and then grab it */
1223	XSetWindowAttributes attr;
1224	Window src;
1225	bool success = false;
1226
1227	attr.background_pixmap = ParentRelative;
1228	attr.backing_store = Always;
1229	attr.event_mask = ExposureMask;
1230	attr.override_redirect = True;
1231	src = XCreateWindow (dpy, root, sx, sy, window_width, window_height, 0,
1232	CopyFromParent, CopyFromParent, CopyFromParent,
1233	CWBackPixmap|CWBackingStore|CWOverrideRedirect|CWEventMask,
1234	&attr);
1235
1236	if (src != None)
1237	{
1238	XEvent event;
1239	int ev_count = 0;
1240	XGrabServer (dpy);
1241	XMapRaised (dpy, src);
1242	XSync (dpy, False);
1243
1244	/* XSync should get window where it's properly exposed,
1245	* but to be on the safe side - let's check for the actual event to arrive : */
1246	while (XCheckWindowEvent (dpy, src, ExposureMask, &event))
1247	++ev_count;
1248
1249	if (ev_count > 0);
1250	{
1251	/* hooray! - we can grab the image! */
1252	gc = XCreateGC (dpy, root, 0, NULL);
1253	if (gc)
1254	{
1255	XCopyArea (dpy, src, tiled_root_pmap, gc, 0, 0, window_width, window_height, 0, 0);
1256	success = true;
1257	}
1258	}
1259
1260	XDestroyWindow (dpy, src);
1261	XUngrabServer (dpy);
1262	//fprintf (stderr, "%s:%d: ev_count = %d\n", __FUNCTION__, __LINE__, ev_count);
1263	}
1264
1265	if (!success)
1266	{
1267	XFreePixmap (dpy, tiled_root_pmap);	1254	XFreePixmap (dpy, bg_pixmap);
1268	tiled_root_pmap = None;	1255	bg_pixmap = XCreatePixmap (dpy, vt, window_width, window_height, depth);
1269	}	1256	bg_pmap_width = window_width;
1270	else	1257	bg_pmap_height = window_height;
1271	result |= transpPmapTiled;
1272	}
1273	else
1274	{	1258	}
		1259
1275	/* straightforward pixmap copy */	1260	/* straightforward pixmap copy */
		1261	while (sx < 0) sx += root_width;
		1262	while (sy < 0) sy += root_height;
		1263
1276	gcv.tile = root_pixmap;	1264	gcv.tile = recoded_root_pmap;
1277	gcv.fill_style = FillTiled;	1265	gcv.fill_style = FillTiled;
1278
1279	while (sx < 0) sx += (int)root_width;
1280	while (sy < 0) sy += (int)root_height;
1281
1282	gcv.ts_x_origin = -sx;	1266	gcv.ts_x_origin = -sx;
1283	gcv.ts_y_origin = -sy;	1267	gcv.ts_y_origin = -sy;
1284	gc = XCreateGC (dpy, root, GCFillStyle | GCTile | GCTileStipXOrigin | GCTileStipYOrigin, &gcv);	1268	gc = XCreateGC (dpy, vt, GCFillStyle | GCTile | GCTileStipXOrigin | GCTileStipYOrigin, &gcv);
		1269
		1270	if (gc)
		1271	{
		1272	XFillRectangle (dpy, bg_pixmap, gc, 0, 0, window_width, window_height);
		1273	result |= BG_IS_VALID | (bg_flags & BG_EFFECTS_FLAGS);
		1274	XFreeGC (dpy, gc);
		1275
		1276	if (!(bg_flags & BG_CLIENT_RENDER))
		1277	{
		1278	if ((bg_flags & BG_NEEDS_BLUR)
		1279	&& (bg_flags & BG_HAS_RENDER_CONV))
		1280	{
		1281	if (blur_pixmap (bg_pixmap, visual, window_width, window_height))
		1282	result &= ~BG_NEEDS_BLUR;
		1283	}
		1284	if ((bg_flags & BG_NEEDS_TINT)
		1285	&& (bg_flags & (BG_TINT_BITAND | BG_HAS_RENDER)))
		1286	{
		1287	if (tint_pixmap (bg_pixmap, visual, window_width, window_height))
		1288	result &= ~BG_NEEDS_TINT;
		1289	}
		1290	} /* server side rendering completed */
		1291	}
		1292
		1293	if (recoded_root_pmap != root_pixmap)
		1294	XFreePixmap (dpy, recoded_root_pmap);
		1295
		1296	return result;
		1297	}
		1298
		1299	void
		1300	rxvt_term::bg_set_root_pixmap ()
		1301	{
		1302	Pixmap new_root_pixmap = get_pixmap_property (xa[XA_XROOTPMAP_ID]);
		1303	if (new_root_pixmap == None)
		1304	new_root_pixmap = get_pixmap_property (xa[XA_ESETROOT_PMAP_ID]);
		1305
		1306	root_pixmap = new_root_pixmap;
		1307	}
		1308	# endif /* ENABLE_TRANSPARENCY */
		1309
		1310	#if defined(ENABLE_TRANSPARENCY) && !defined(HAVE_AFTERIMAGE)
		1311	static void shade_ximage (Visual *visual, XImage *ximage, int shade, const rgba &c);
		1312	# endif
		1313
		1314	bool
		1315	rxvt_term::bg_render ()
		1316	{
		1317	unsigned long tr_flags = 0;
		1318
		1319	bg_invalidate ();
		1320	# ifdef ENABLE_TRANSPARENCY
		1321	if (bg_flags & BG_IS_TRANSPARENT)
		1322	{
		1323	/* we need to re-generate transparency pixmap in that case ! */
		1324	tr_flags = make_transparency_pixmap ();
		1325	if (tr_flags == 0)
		1326	return false;
		1327	else if (!(tr_flags & BG_EFFECTS_FLAGS))
		1328	bg_flags |= BG_IS_VALID;
		1329	}
		1330	# endif
		1331
		1332	# ifdef BG_IMAGE_FROM_FILE
		1333	if ((bg_flags & BG_IS_FROM_FILE)
		1334	|| (tr_flags & BG_EFFECTS_FLAGS))
		1335	{
		1336	if (render_image (tr_flags))
		1337	bg_flags |= BG_IS_VALID;
		1338	}
		1339	# endif
		1340
		1341	# if defined(ENABLE_TRANSPARENCY) && !defined(HAVE_AFTERIMAGE)
		1342	XImage *result = NULL;
		1343
		1344	if (tr_flags && !(bg_flags & BG_IS_VALID))
		1345	{
		1346	result = XGetImage (dpy, bg_pixmap, 0, 0, bg_pmap_width, bg_pmap_height, AllPlanes, ZPixmap);
		1347	}
		1348
		1349	if (result)
		1350	{
		1351	/* our own client-side tinting */
		1352	if (tr_flags & BG_NEEDS_TINT)
		1353	{
		1354	rgba c (rgba::MAX_CC,rgba::MAX_CC,rgba::MAX_CC);
		1355	if (bg_flags & BG_TINT_SET)
		1356	tint.get (c);
		1357	shade_ximage (DefaultVisual (dpy, display->screen), result, shade, c);
		1358	}
		1359
		1360	GC gc = XCreateGC (dpy, vt, 0UL, NULL);
1285		1361
1286	if (gc)	1362	if (gc)
1287	{	1363	{
1288	XFillRectangle (dpy, tiled_root_pmap, gc, 0, 0, window_width, window_height);	1364	XPutImage (dpy, bg_pixmap, gc, result, 0, 0, 0, 0, result->width, result->height);
1289	result |= transpPmapTiled;
1290	}
1291	}
1292	TIMING_TEST_PRINT_RESULT (tp);
1293		1365
1294	if (tiled_root_pmap != None)	1366	XFreeGC (dpy, gc);
1295	{	1367	bg_flags |= BG_IS_VALID;
1296	if (!need_client_side_rendering ())
1297	{	1368	}
1298	if ((flags & tintNeeded))
1299	{
1300	if (tint_pixmap (tiled_root_pmap))
1301	result |= transpPmapTinted;
1302	}
1303	} /* server side rendering completed */
1304		1369
1305	if (pixmap)	1370	XDestroyImage (result);
1306	XFreePixmap (dpy, pixmap);
1307
1308	pixmap = tiled_root_pmap;
1309	pmap_width = window_width;
1310	pmap_height = window_height;
1311	pmap_depth = root_depth;
1312	}
1313
1314	if (gc)
1315	XFreeGC (dpy, gc);
1316
1317	TIMING_TEST_PRINT_RESULT (tp);
1318
1319	return result;
1320	}
1321
1322	bool
1323	bgPixmap_t::set_root_pixmap ()
1324	{
1325	Pixmap new_root_pixmap = target->get_pixmap_property (XA_XROOTPMAP_ID);
1326	if (new_root_pixmap == None)
1327	new_root_pixmap = target->get_pixmap_property (XA_ESETROOT_PMAP_ID);
1328
1329	if (new_root_pixmap != root_pixmap)
1330	{	1371	}
1331	root_pixmap = new_root_pixmap;
1332	return true;
1333	}
1334
1335	return false;
1336	}
1337	# endif /* ENABLE_TRANSPARENCY */
1338
1339	# ifndef HAVE_AFTERIMAGE
1340	static void ShadeXImage(rxvt_term *term, XImage *srcImage, int shade, int rm, int gm, int bm);
1341	# endif	1372	# endif
1342		1373
1343	bool	1374	if (!(bg_flags & BG_IS_VALID))
1344	bgPixmap_t::render ()
1345	{
1346	unsigned long background_flags = 0;
1347
1348	if (target == NULL)
1349	return false;
1350
1351	TIMING_TEST_START (tp);
1352
1353	invalidate ();
1354	# ifdef ENABLE_TRANSPARENCY
1355	if (flags & isTransparent)
1356	{
1357	/* we need to re-generate transparency pixmap in that case ! */
1358	background_flags = make_transparency_pixmap ();
1359	if (background_flags == 0)
1360	return false;
1361	else if ((background_flags & transpTransformations) == (flags & transpTransformations)
1362	&& pmap_depth == target->depth)
1363	flags = flags & ~isInvalid;
1364	}	1375	{
1365	# endif
1366
1367	# ifdef BG_IMAGE_FROM_FILE
1368	if (have_image
1369	|| (background_flags & transpTransformations) != (flags & transpTransformations))
1370	{
1371	if (render_image (background_flags))
1372	flags = flags & ~isInvalid;
1373	}
1374	# endif
1375
1376	XImage *result = NULL;
1377
1378	if (background_flags && (flags & isInvalid))
1379	{
1380	result = XGetImage (target->dpy, pixmap, 0, 0, pmap_width, pmap_height, AllPlanes, ZPixmap);
1381	}
1382
1383	if (result)
1384	{
1385	# if !defined(HAVE_AFTERIMAGE) && !XFT
1386	/* our own client-side tinting */
1387	/* ATTENTION: We ASSUME that XFT will let us do all the tinting necessary server-side.
1388	This may need to be changed in need_client_side_rendering() logic is altered !!! */
1389	if (!(background_flags & transpPmapTinted) && (flags & tintNeeded))
1390	{
1391	rgba c (rgba::MAX_CC,rgba::MAX_CC,rgba::MAX_CC);
1392	if (flags & tintSet)
1393	tint.get (c);
1394	ShadeXImage (target, result, shade, c.r, c.g, c.b);
1395	}
1396	# endif
1397
1398	GC gc = XCreateGC (target->dpy, target->vt, 0UL, NULL);
1399
1400	if (gc)
1401	{
1402	if (/*pmap_depth != target->depth &&*/ pixmap != None)
1403	{
1404	XFreePixmap (target->dpy, pixmap);
1405	pixmap = None;
1406	}
1407
1408	if (pixmap == None)
1409	{
1410	pixmap = XCreatePixmap (target->dpy, target->vt, result->width, result->height, target->depth);
1411	pmap_width = result->width;
1412	pmap_height = result->height;
1413	pmap_depth = target->depth;
1414	}
1415
1416	if (pmap_depth != result->depth)
1417	{
1418	/* Bad Match error will ensue ! stupid X !!!! */
1419	if (result->depth == 24 && pmap_depth == 32)
1420	result->depth = 32;
1421	else if (result->depth == 32 && pmap_depth == 24)
1422	result->depth = 24;
1423	else
1424	{
1425	/* TODO: implement image recoding */
1426	}
1427	}
1428
1429	if (pmap_depth == result->depth)
1430	XPutImage (target->dpy, pixmap, gc, result, 0, 0, 0, 0, result->width, result->height);
1431
1432	XFreeGC (target->dpy, gc);
1433	flags = flags & ~isInvalid;
1434	}
1435
1436	XDestroyImage (result);
1437	}
1438
1439	if (flags & isInvalid)
1440	{
1441	if (pixmap != None)	1376	if (bg_pixmap != None)
1442	{	1377	{
1443	XFreePixmap (target->dpy, pixmap);	1378	XFreePixmap (dpy, bg_pixmap);
1444	pixmap = None;	1379	bg_pixmap = None;
1445	}	1380	}
1446	}	1381	}
1447		1382
1448	apply ();	1383	scr_recolour (false);
		1384	bg_flags |= BG_NEEDS_REFRESH;
1449		1385
1450	XSync (target->dpy, False);
1451	valid_since = ev::now ();	1386	bg_valid_since = ev::now ();
1452
1453	TIMING_TEST_PRINT_RESULT (tp);
1454		1387
1455	return true;	1388	return true;
1456	}	1389	}
1457		1390
1458	bool
1459	bgPixmap_t::set_target (rxvt_term *new_target)
1460	{
1461	if (new_target)
1462	if (target != new_target)
1463	{
1464	target = new_target;
1465	# ifdef ENABLE_TRANSPARENCY
1466	root_depth = DefaultDepthOfScreen (ScreenOfDisplay (target->dpy, target->display->screen));
1467	# endif
1468	return true;
1469	}
1470
1471	return false;
1472	}
1473
1474	void	1391	void
1475	bgPixmap_t::apply ()	1392	rxvt_term::bg_init ()
1476	{	1393	{
1477	if (target)
1478	{
1479	flags &= ~isVtOrigin;
1480
1481	if (pixmap != None)
1482	{
1483	/* set target's background to pixmap */
1484	# ifdef ENABLE_TRANSPARENCY	1394	#ifdef ENABLE_TRANSPARENCY
1485	if (flags & isTransparent)	1395	shade = 100;
1486	{
1487	XSetWindowBackgroundPixmap (target->dpy, target->parent[0], pixmap);
1488	XSetWindowBackgroundPixmap (target->dpy, target->vt, ParentRelative);
1489
1490	if (target->scrollBar.win)
1491	XSetWindowBackgroundPixmap (target->dpy, target->scrollBar.win, ParentRelative);
1492	}
1493	else
1494	# endif	1396	#endif
1495	{
1496	flags |= isVtOrigin;
1497	/* force old pixmap dereference in case it was transparent before :*/
1498	XSetWindowBackground (target->dpy, target->parent[0], target->pix_colors[Color_border]);
1499	XSetWindowBackgroundPixmap (target->dpy, target->vt, pixmap);
1500	/* do we also need to set scrollbar's background here ? */
1501		1397
1502	if (target->scrollBar.win)	1398	bg_flags &= ~(BG_HAS_RENDER | BG_HAS_RENDER_CONV);
1503	XSetWindowBackground (target->dpy, target->scrollBar.win, target->pix_colors[Color_border]);	1399	#if XRENDER
1504	}	1400	int major, minor;
1505	}	1401	if (XRenderQueryVersion (dpy, &major, &minor))
1506	else	1402	bg_flags |= BG_HAS_RENDER;
1507	{	1403	XFilters *filters = XRenderQueryFilters (dpy, vt);
1508	/* set target background to a pixel */	1404	if (filters)
1509	XSetWindowBackground (target->dpy, target->parent[0], target->pix_colors[Color_border]);
1510	XSetWindowBackground (target->dpy, target->vt, target->pix_colors[Color_bg]);
1511	/* do we also need to set scrollbar's background here ? */
1512	if (target->scrollBar.win)
1513	XSetWindowBackground (target->dpy, target->scrollBar.win, target->pix_colors[Color_border]);
1514	}
1515
1516	/* don't want Expose on the parent or vt. It is better to use
1517	scr_touch or we get a great deal of flicker otherwise: */
1518	XClearWindow (target->dpy, target->parent[0]);
1519
1520	if (target->scrollBar.state && target->scrollBar.win)
1521	{
1522	target->scrollBar.state = STATE_IDLE;
1523	target->scrollBar.show (0);
1524	}
1525
1526	target->want_refresh = 1;
1527	flags |= hasChanged;
1528	}	1405	{
		1406	for (int i = 0; i < filters->nfilter; i++)
		1407	if (!strcmp (filters->filter[i], FilterConvolution))
		1408	bg_flags |= BG_HAS_RENDER_CONV;
		1409
		1410	XFree (filters);
		1411	}
		1412	#endif
1529	}	1413	}
1530		1414
1531	#endif /* HAVE_BG_PIXMAP */	1415	#endif /* HAVE_BG_PIXMAP */
1532		1416
1533	#if defined(ENABLE_TRANSPARENCY) && !defined(HAVE_AFTERIMAGE) && !XFT	1417	#if defined(ENABLE_TRANSPARENCY) && !defined(HAVE_AFTERIMAGE)
1534	/* taken from aterm-0.4.2 */	1418	/* taken from aterm-0.4.2 */
1535		1419
1536	typedef uint32_t RUINT32T;
1537
1538	static void	1420	static void
1539	ShadeXImage(rxvt_term *term, XImage *srcImage, int shade, int rm, int gm, int bm)	1421	shade_ximage (Visual *visual, XImage *ximage, int shade, const rgba &c)
1540	{	1422	{
1541	int sh_r, sh_g, sh_b;	1423	int sh_r, sh_g, sh_b;
1542	RUINT32T mask_r, mask_g, mask_b;	1424	uint32_t mask_r, mask_g, mask_b;
1543	RUINT32T *lookup, *lookup_r, *lookup_g, *lookup_b;	1425	uint32_t *lookup, *lookup_r, *lookup_g, *lookup_b;
1544	unsigned int lower_lim_r, lower_lim_g, lower_lim_b;	1426	rgba low;
1545	unsigned int upper_lim_r, upper_lim_g, upper_lim_b;	1427	rgba high;
1546	int i;	1428	int i;
		1429	int host_byte_order = ecb_big_endian () ? MSBFirst : LSBFirst;
1547		1430
1548	Visual *visual = term->visual;
1549
1550	if (visual->c_class != TrueColor || srcImage->format != ZPixmap) return ;	1431	if (visual->c_class != TrueColor || ximage->format != ZPixmap) return;
1551
1552	if (shade == 0)
1553	shade = 100;
1554		1432
1555	/* for convenience */	1433	/* for convenience */
1556	mask_r = visual->red_mask;	1434	mask_r = visual->red_mask;
1557	mask_g = visual->green_mask;	1435	mask_g = visual->green_mask;
1558	mask_b = visual->blue_mask;	1436	mask_b = visual->blue_mask;
1559		1437
1560	/* boring lookup table pre-initialization */	1438	/* boring lookup table pre-initialization */
1561	switch (srcImage->bits_per_pixel) {	1439	switch (ximage->depth)
		1440	{
1562	case 15:	1441	case 15:
1563	if ((mask_r != 0x7c00) ||	1442	if ((mask_r != 0x7c00) ||
1564	(mask_g != 0x03e0) ||	1443	(mask_g != 0x03e0) ||
1565	(mask_b != 0x001f))	1444	(mask_b != 0x001f))
1566	return;	1445	return;
1567	lookup = (RUINT32T *) malloc (sizeof (RUINT32T)*(32+32+32));	1446	lookup = (uint32_t *) malloc (sizeof (uint32_t)*(32+32+32));
1568	lookup_r = lookup;	1447	lookup_r = lookup;
1569	lookup_g = lookup+32;	1448	lookup_g = lookup+32;
1570	lookup_b = lookup+32+32;	1449	lookup_b = lookup+32+32;
1571	sh_r = 10;	1450	sh_r = 10;
1572	sh_g = 5;	1451	sh_g = 5;
1573	sh_b = 0;	1452	sh_b = 0;
1574	break;	1453	break;
1575	case 16:	1454	case 16:
1576	if ((mask_r != 0xf800) ||	1455	if ((mask_r != 0xf800) ||
1577	(mask_g != 0x07e0) ||	1456	(mask_g != 0x07e0) ||
1578	(mask_b != 0x001f))	1457	(mask_b != 0x001f))
1579	return;	1458	return;
1580	lookup = (RUINT32T *) malloc (sizeof (RUINT32T)*(32+64+32));	1459	lookup = (uint32_t *) malloc (sizeof (uint32_t)*(32+64+32));
1581	lookup_r = lookup;	1460	lookup_r = lookup;
1582	lookup_g = lookup+32;	1461	lookup_g = lookup+32;
1583	lookup_b = lookup+32+64;	1462	lookup_b = lookup+32+64;
1584	sh_r = 11;	1463	sh_r = 11;
1585	sh_g = 5;	1464	sh_g = 5;
1586	sh_b = 0;	1465	sh_b = 0;
1587	break;	1466	break;
1588	case 24:	1467	case 24:
1589	if ((mask_r != 0xff0000) ||	1468	if ((mask_r != 0xff0000) ||
1590	(mask_g != 0x00ff00) ||	1469	(mask_g != 0x00ff00) ||
1591	(mask_b != 0x0000ff))	1470	(mask_b != 0x0000ff))
1592	return;	1471	return;
1593	lookup = (RUINT32T *) malloc (sizeof (RUINT32T)*(256+256+256));	1472	lookup = (uint32_t *) malloc (sizeof (uint32_t)*(256+256+256));
1594	lookup_r = lookup;	1473	lookup_r = lookup;
1595	lookup_g = lookup+256;	1474	lookup_g = lookup+256;
1596	lookup_b = lookup+256+256;	1475	lookup_b = lookup+256+256;
1597	sh_r = 16;	1476	sh_r = 16;
1598	sh_g = 8;	1477	sh_g = 8;
1599	sh_b = 0;	1478	sh_b = 0;
1600	break;	1479	break;
1601	case 32:	1480	case 32:
1602	if ((mask_r != 0xff0000) ||	1481	if ((mask_r != 0xff0000) ||
1603	(mask_g != 0x00ff00) ||	1482	(mask_g != 0x00ff00) ||
1604	(mask_b != 0x0000ff))	1483	(mask_b != 0x0000ff))
1605	return;	1484	return;
1606	lookup = (RUINT32T *) malloc (sizeof (RUINT32T)*(256+256+256));	1485	lookup = (uint32_t *) malloc (sizeof (uint32_t)*(256+256+256));
1607	lookup_r = lookup;	1486	lookup_r = lookup;
1608	lookup_g = lookup+256;	1487	lookup_g = lookup+256;
1609	lookup_b = lookup+256+256;	1488	lookup_b = lookup+256+256;
1610	sh_r = 16;	1489	sh_r = 16;
1611	sh_g = 8;	1490	sh_g = 8;
1612	sh_b = 0;	1491	sh_b = 0;
1613	break;	1492	break;
1614	default:	1493	default:
1615	return; /* we do not support this color depth */	1494	return; /* we do not support this color depth */
1616	}	1495	}
1617		1496
1618	/* prepare limits for color transformation (each channel is handled separately) */	1497	/* prepare limits for color transformation (each channel is handled separately) */
1619	if (shade < 0) {	1498	if (shade > 100)
		1499	{
1620	shade = -shade;	1500	shade = 200 - shade;
1621	if (shade < 0) shade = 0;
1622	if (shade > 100) shade = 100;
1623		1501
1624	lower_lim_r = 65535-rm;	1502	high.r = c.r * shade / 100;
1625	lower_lim_g = 65535-gm;	1503	high.g = c.g * shade / 100;
1626	lower_lim_b = 65535-bm;	1504	high.b = c.b * shade / 100;
1627		1505
1628	lower_lim_r = 65535-(unsigned int)(((RUINT32T)lower_lim_r)*((RUINT32T)shade)/100);	1506	low.r = 65535 * (100 - shade) / 100;
1629	lower_lim_g = 65535-(unsigned int)(((RUINT32T)lower_lim_g)*((RUINT32T)shade)/100);	1507	low.g = 65535 * (100 - shade) / 100;
1630	lower_lim_b = 65535-(unsigned int)(((RUINT32T)lower_lim_b)*((RUINT32T)shade)/100);	1508	low.b = 65535 * (100 - shade) / 100;
1631
1632	upper_lim_r = upper_lim_g = upper_lim_b = 65535;
1633	} else {
1634	if (shade < 0) shade = 0;
1635	if (shade > 100) shade = 100;
1636
1637	lower_lim_r = lower_lim_g = lower_lim_b = 0;
1638
1639	upper_lim_r = (unsigned int)((((RUINT32T)rm)*((RUINT32T)shade))/100);
1640	upper_lim_g = (unsigned int)((((RUINT32T)gm)*((RUINT32T)shade))/100);
1641	upper_lim_b = (unsigned int)((((RUINT32T)bm)*((RUINT32T)shade))/100);
1642	}	1509	}
1643		1510	else
1644	/* switch red and blue bytes if necessary, we need it for some weird XServers like XFree86 3.3.3.1 */
1645	if ((srcImage->bits_per_pixel == 24) && (mask_r >= 0xFF0000 ))
1646	{	1511	{
1647	unsigned int tmp;	1512	high.r = c.r * shade / 100;
		1513	high.g = c.g * shade / 100;
		1514	high.b = c.b * shade / 100;
1648		1515
1649	tmp = lower_lim_r;	1516	low.r = low.g = low.b = 0;
1650	lower_lim_r = lower_lim_b;
1651	lower_lim_b = tmp;
1652
1653	tmp = upper_lim_r;
1654	upper_lim_r = upper_lim_b;
1655	upper_lim_b = tmp;
1656	}	1517	}
1657		1518
1658	/* fill our lookup tables */	1519	/* fill our lookup tables */
1659	for (i = 0; i <= mask_r>>sh_r; i++)	1520	for (i = 0; i <= mask_r>>sh_r; i++)
1660	{	1521	{
1661	RUINT32T tmp;	1522	uint32_t tmp;
1662	tmp = ((RUINT32T)i)*((RUINT32T)(upper_lim_r-lower_lim_r));	1523	tmp = i * high.r;
1663	tmp += ((RUINT32T)(mask_r>>sh_r))*((RUINT32T)lower_lim_r);	1524	tmp += (mask_r>>sh_r) * low.r;
1664	lookup_r[i] = (tmp/65535)<<sh_r;	1525	lookup_r[i] = (tmp/65535)<<sh_r;
1665	}	1526	}
1666	for (i = 0; i <= mask_g>>sh_g; i++)	1527	for (i = 0; i <= mask_g>>sh_g; i++)
1667	{	1528	{
1668	RUINT32T tmp;	1529	uint32_t tmp;
1669	tmp = ((RUINT32T)i)*((RUINT32T)(upper_lim_g-lower_lim_g));	1530	tmp = i * high.g;
1670	tmp += ((RUINT32T)(mask_g>>sh_g))*((RUINT32T)lower_lim_g);	1531	tmp += (mask_g>>sh_g) * low.g;
1671	lookup_g[i] = (tmp/65535)<<sh_g;	1532	lookup_g[i] = (tmp/65535)<<sh_g;
1672	}	1533	}
1673	for (i = 0; i <= mask_b>>sh_b; i++)	1534	for (i = 0; i <= mask_b>>sh_b; i++)
1674	{	1535	{
1675	RUINT32T tmp;	1536	uint32_t tmp;
1676	tmp = ((RUINT32T)i)*((RUINT32T)(upper_lim_b-lower_lim_b));	1537	tmp = i * high.b;
1677	tmp += ((RUINT32T)(mask_b>>sh_b))*((RUINT32T)lower_lim_b);	1538	tmp += (mask_b>>sh_b) * low.b;
1678	lookup_b[i] = (tmp/65535)<<sh_b;	1539	lookup_b[i] = (tmp/65535)<<sh_b;
1679	}	1540	}
1680		1541
1681	/* apply table to input image (replacing colors by newly calculated ones) */	1542	/* apply table to input image (replacing colors by newly calculated ones) */
1682	switch (srcImage->bits_per_pixel)	1543	if (ximage->bits_per_pixel == 32
		1544	&& (ximage->depth == 24 || ximage->depth == 32)
		1545	&& ximage->byte_order == host_byte_order)
1683	{	1546	{
1684	case 15:
1685	{
1686	unsigned short *p1, *pf, *p, *pl;	1547	uint32_t *p1, *pf, *p, *pl;
1687	p1 = (unsigned short *) srcImage->data;	1548	p1 = (uint32_t *) ximage->data;
1688	pf = (unsigned short *) (srcImage->data + srcImage->height * srcImage->bytes_per_line);	1549	pf = (uint32_t *) (ximage->data + ximage->height * ximage->bytes_per_line);
		1550
1689	while (p1 < pf)	1551	while (p1 < pf)
1690	{	1552	{
1691	p = p1;	1553	p = p1;
1692	pl = p1 + srcImage->width;	1554	pl = p1 + ximage->width;
1693	for (; p < pl; p++)	1555	for (; p < pl; p++)
1694	{	1556	{
1695	*p = lookup_r[(*p & 0x7c00)>>10] |
1696	lookup_g[(*p & 0x03e0)>> 5] |
1697	lookup_b[(*p & 0x001f)];
1698	}
1699	p1 = (unsigned short *) ((char *) p1 + srcImage->bytes_per_line);
1700	}
1701	break;
1702	}
1703	case 16:
1704	{
1705	unsigned short *p1, *pf, *p, *pl;
1706	p1 = (unsigned short *) srcImage->data;
1707	pf = (unsigned short *) (srcImage->data + srcImage->height * srcImage->bytes_per_line);
1708	while (p1 < pf)
1709	{
1710	p = p1;
1711	pl = p1 + srcImage->width;
1712	for (; p < pl; p++)
1713	{
1714	*p = lookup_r[(*p & 0xf800)>>11] |
1715	lookup_g[(*p & 0x07e0)>> 5] |
1716	lookup_b[(*p & 0x001f)];
1717	}
1718	p1 = (unsigned short *) ((char *) p1 + srcImage->bytes_per_line);
1719	}
1720	break;
1721	}
1722	case 24:
1723	{
1724	unsigned char *p1, *pf, *p, *pl;
1725	p1 = (unsigned char *) srcImage->data;
1726	pf = (unsigned char *) (srcImage->data + srcImage->height * srcImage->bytes_per_line);
1727	while (p1 < pf)
1728	{
1729	p = p1;
1730	pl = p1 + srcImage->width * 3;
1731	for (; p < pl; p += 3)
1732	{
1733	p[0] = lookup_r[(p[0] & 0xff0000)>>16];
1734	p[1] = lookup_r[(p[1] & 0x00ff00)>> 8];
1735	p[2] = lookup_r[(p[2] & 0x0000ff)];
1736	}
1737	p1 = (unsigned char *) ((char *) p1 + srcImage->bytes_per_line);
1738	}
1739	break;
1740	}
1741	case 32:
1742	{
1743	RUINT32T *p1, *pf, *p, *pl;
1744	p1 = (RUINT32T *) srcImage->data;
1745	pf = (RUINT32T *) (srcImage->data + srcImage->height * srcImage->bytes_per_line);
1746
1747	while (p1 < pf)
1748	{
1749	p = p1;
1750	pl = p1 + srcImage->width;
1751	for (; p < pl; p++)
1752	{
1753	*p = lookup_r[(*p & 0xff0000)>>16] |	1557	*p = lookup_r[(*p & 0xff0000) >> 16] |
1754	lookup_g[(*p & 0x00ff00)>> 8] |	1558	lookup_g[(*p & 0x00ff00) >> 8] |
1755	lookup_b[(*p & 0x0000ff)] |	1559	lookup_b[(*p & 0x0000ff)] |
1756	(*p & ~0xffffff);	1560	(*p & 0xff000000);
		1561	}
		1562	p1 = (uint32_t *) ((char *) p1 + ximage->bytes_per_line);
		1563	}
		1564	}
		1565	else
		1566	{
		1567	for (int y = 0; y < ximage->height; y++)
		1568	for (int x = 0; x < ximage->width; x++)
		1569	{
		1570	unsigned long pixel = XGetPixel (ximage, x, y);
		1571	pixel = lookup_r[(pixel & mask_r) >> sh_r] |
		1572	lookup_g[(pixel & mask_g) >> sh_g] |
		1573	lookup_b[(pixel & mask_b) >> sh_b];
		1574	XPutPixel (ximage, x, y, pixel);
1757	}	1575	}
1758	p1 = (RUINT32T *) ((char *) p1 + srcImage->bytes_per_line);
1759	}	1576	}
1760	break;
1761	}
1762	}
1763		1577
1764	free (lookup);	1578	free (lookup);
1765	}	1579	}
1766	#endif /* defined(ENABLE_TRANSPARENCY) && !defined(HAVE_AFTERIMAGE) */	1580	#endif /* defined(ENABLE_TRANSPARENCY) && !defined(HAVE_AFTERIMAGE) */

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