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Comparing rxvt-unicode/src/background.C (file contents):
Revision 1.53 by sf-exg, Wed Sep 1 13:18:55 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 BG_IMAGE_FROM_FILE
102	have_image = false;
103	h_scale = v_scale = 0;
104	h_align = v_align = 0;
105	#endif
106	flags = 0;
107	pixmap = None;
108	valid_since = invalid_since = 0;
109	target = 0;
110	}
111
112	void	61	void
113	bgPixmap_t::destroy ()	62	rxvt_term::bg_destroy ()
114	{	63	{
115	#ifdef HAVE_AFTERIMAGE	64	#ifdef HAVE_AFTERIMAGE
116	if (original_asim)	65	if (original_asim)
117	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);
118	#endif	71	#endif
119		72
120	if (pixmap && target)	73	#ifdef HAVE_PIXBUF
		74	if (pixbuf)
		75	g_object_unref (pixbuf);
		76	#endif
		77
		78	if (bg_pixmap)
121	XFreePixmap (target->dpy, pixmap);	79	XFreePixmap (dpy, bg_pixmap);
122	}	80	}
123		81
124	bool	82	bool
125	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 ()
126	{	98	{
127	# ifdef ENABLE_TRANSPARENCY	99	# ifdef ENABLE_TRANSPARENCY
128	if (flags & isTransparent)	100	if (bg_flags & BG_IS_TRANSPARENT)
129	return true;	101	return true;
130	# endif	102	# endif
131		103
132	# ifdef BG_IMAGE_FROM_FILE	104	# ifdef BG_IMAGE_FROM_FILE
133	if (have_image)	105	if (bg_flags & BG_IS_FROM_FILE)
134	{	106	{
135	if (h_scale != 0 || v_scale != 0	107	if (bg_flags & BG_IS_SIZE_SENSITIVE)
136	|| h_align != 0 || v_align != 0)
137	return true;	108	return true;
138	}	109	}
139	# endif	110	# endif
140		111
141	return false;	112	return false;
142	}	113	}
143		114
144	bool	115	bool
145	bgPixmap_t::window_position_sensitive ()	116	rxvt_term::bg_window_position_sensitive ()
146	{	117	{
147	# ifdef ENABLE_TRANSPARENCY	118	# ifdef ENABLE_TRANSPARENCY
148	if (flags & isTransparent)	119	if (bg_flags & BG_IS_TRANSPARENT)
149	return true;	120	return true;
150	# endif	121	# endif
151		122
152	# ifdef BG_IMAGE_FROM_FILE	123	# ifdef BG_IMAGE_FROM_FILE
153	if (have_image)	124	if (bg_flags & BG_IS_FROM_FILE)
154	{	125	{
155	if (h_align == rootAlign || v_align == rootAlign)	126	if (bg_flags & BG_ROOT_ALIGN)
156	return true;	127	return true;
157	}	128	}
158	# endif	129	# endif
159		130
160	return false;
161	};
162
163	bool bgPixmap_t::need_client_side_rendering ()
164	{
165	# ifdef HAVE_AFTERIMAGE
166	if (original_asim)
167	return true;
168	# endif
169	# ifdef ENABLE_TRANSPARENCY
170	if (flags & isTransparent)
171	{
172	# ifdef HAVE_AFTERIMAGE // can't blur without libAI anyways
173	if ((flags & blurNeeded) && !(flags & blurServerSide))
174	return true;
175	# endif
176	if ((flags & tintNeeded) && !(flags & tintServerSide))
177	return true;
178	}
179	# endif
180	return false;	131	return false;
181	}	132	}
182		133
183	# ifdef BG_IMAGE_FROM_FILE	134	# ifdef BG_IMAGE_FROM_FILE
184	static inline bool	135	static inline bool
…		…
200	static inline bool	151	static inline bool
201	check_set_align_value (int geom_flags, int flag, int &align, int new_value)	152	check_set_align_value (int geom_flags, int flag, int &align, int new_value)
202	{	153	{
203	if (geom_flags & flag)	154	if (geom_flags & flag)
204	{	155	{
205	if (new_value != bgPixmap_t::rootAlign)
206	{
207	if (new_value < -100)	156	if (new_value < -100)
208	new_value = -100;	157	new_value = -100;
209	else if (new_value > 200)	158	else if (new_value > 200)
210	new_value = 200;	159	new_value = 200;
211	}
212	if (new_value != align)	160	if (new_value != align)
213	{	161	{
214	align = new_value;	162	align = new_value;
215	return true;	163	return true;
216	}	164	}
…		…
220		168
221	static inline int	169	static inline int
222	make_align_position (int align, int window_size, int image_size)	170	make_align_position (int align, int window_size, int image_size)
223	{	171	{
224	int diff = window_size - image_size;	172	int diff = window_size - image_size;
225	int smaller = MIN (image_size,window_size);	173	int smaller = min (image_size, window_size);
226		174
227	if (align >= 0 && align <= 50)	175	if (align >= 0 && align <= 100)
228	return diff * align / 100;	176	return diff * align / 100;
229	else if (align > 50 && align <= 100)
230	return window_size - image_size - diff * (100 - align) / 100;
231	else if (align > 100 && align <= 200 )	177	else if (align > 100 && align <= 200)
232	return ((align - 100) * smaller / 100) + window_size - smaller;	178	return ((align - 100) * smaller / 100) + window_size - smaller;
233	else if (align > -100 && align < 0)	179	else if (align >= -100 && align < 0)
234	return ((align + 100) * smaller / 100) - image_size;	180	return ((align + 100) * smaller / 100) - image_size;
235	return 0;	181	return 0;
236	}	182	}
237		183
238	static inline int	184	static inline int
239	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)
240	{	186	{
241	int src_pos = 0;	187	int src_pos = 0;
242	dst_pos = 0;	188	dst_pos = pos;
243	dst_size = size;	189	dst_size = size;
244	if (pos < 0 && size > target_size)	190	if (pos < 0)
245	{	191	{
246	src_pos = -pos;	192	src_pos = -pos;
		193	dst_pos = 0;
247	dst_size += pos;	194	dst_size += pos;
248	}	195	}
249	else if (pos > 0)
250	dst_pos = pos;
251		196
252	if (dst_pos + dst_size > target_size)	197	if (dst_pos + dst_size > target_size)
253	dst_size = target_size - dst_pos;	198	dst_size = target_size - dst_pos;
254	return src_pos;	199	return src_pos;
255	}	200	}
256		201
257	bool	202	bool
258	bgPixmap_t::set_geometry (const char *geom)	203	rxvt_term::bg_set_geometry (const char *geom, bool update)
259	{	204	{
		205	bool changed = false;
260	int geom_flags = 0, changed = 0;	206	int geom_flags = 0;
261	int x = 0, y = 0;	207	int x = 0, y = 0;
262	unsigned int w = 0, h = 0;	208	unsigned int w = 0, h = 0;
263	unsigned int n;	209	unsigned int n;
264	unsigned long new_flags = (flags & (~geometryFlags));	210	unsigned long new_flags = (bg_flags & (~BG_GEOMETRY_FLAGS));
265	const char *p;	211	const char *ops;
266	# define MAXLEN_GEOM 256 /* could be longer than regular geometry string */
267		212
268	if (geom == NULL)	213	if (geom == NULL)
269	return false;	214	return false;
270		215
271	char str[MAXLEN_GEOM];	216	char str[256];
272		217
273	while (isspace(*geom)) ++geom;
274	if ((p = strchr (geom, ';')) == NULL)
275	p = strchr (geom, '\0');	218	ops = strchr (geom, ':');
276		219	if (ops == NULL)
		220	n = strlen (geom);
		221	else
277	n = (p - geom);	222	n = ops - geom;
278	if (n < MAXLEN_GEOM)
279	{
280	char *ops;
281	new_flags |= geometrySet;
282		223
		224	if (n >= sizeof (str))
		225	return false;
		226
283	memcpy (str, geom, n);	227	memcpy (str, geom, n);
284	str[n] = '\0';	228	str[n] = '\0';
285	if (str[0] == ':')	229	rxvt_strtrim (str);
286	ops = &str[0];
287	else if (str[0] != 'x' && str[0] != 'X' && isalpha(str[0]))
288	ops = &str[0];
289	else
290	{
291	char *tmp;
292	ops = strchr (str, ':');
293	if (ops != NULL)
294	{
295	for (tmp = ops-1; tmp >= str && isspace(*tmp); --tmp);
296	*(++tmp) = '\0';
297	if (ops == tmp) ++ops;
298	}
299	}
300		230
301	if (ops > str || ops == NULL)	231	if (str[0])
302	{	232	{
303	/* 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 */
304	geom_flags = XParseGeometry (str, &x, &y, &w, &h);	234	geom_flags = XParseGeometry (str, &x, &y, &w, &h);
305
306	if ((geom_flags & XValue) && !(geom_flags & YValue))
307	{
308	y = x;
309	geom_flags |= YValue;
310	}
311
312	if (flags & geometrySet)
313	{
314	/* new geometry is an adjustment to the old one ! */
315	if ((geom_flags & WidthValue) && (geom_flags & HeightValue))
316	{
317	if (w == 0 && h != 0)
318	{
319	w = h_scale;
320	h = (v_scale * h) / 100;
321	}
322	else if (h == 0 && w != 0)
323	{
324	w = (h_scale * w) / 100;
325	h = v_scale;
326	}
327	}
328	if (geom_flags & XValue)
329	{
330	if (str[0] != '=')
331	{
332	y += v_align;
333	x += h_align;
334	}
335	}
336	}
337	else /* setting up geometry from scratch */
338	{
339	if (!(geom_flags & XValue))
340	{
341	/* use default geometry - centered */
342	x = y = defaultAlign;
343	}
344	else if (!(geom_flags & YValue))
345	y = x;
346
347	if ((geom_flags & (WidthValue|HeightValue)) == 0)
348	{
349	/* use default geometry - scaled */
350	w = h = defaultScale;
351	}
352	else if (geom_flags & WidthValue)
353	{
354	if (!(geom_flags & HeightValue))
355	h = w;
356	}
357	else
358	w = h;
359	}
360	} /* done parsing geometry string */	235	} /* done parsing geometry string */
361	else if (!(flags & geometrySet))	236
362	{	237	if (!update)
363	/* default geometry - scaled and centered */	238	{
		239	if (!(geom_flags & XValue))
364	x = y = defaultAlign;	240	x = y = defaultAlign;
		241	else if (!(geom_flags & YValue))
		242	y = x;
		243
		244	if (!(geom_flags & (WidthValue|HeightValue)))
365	w = h = defaultScale;	245	w = h = defaultScale;
366	}	246	else if (!(geom_flags & HeightValue))
		247	h = w;
		248	else if (!(geom_flags & WidthValue))
		249	w = h;
367		250
368	if (!(flags & geometrySet))
369	geom_flags |= WidthValue|HeightValue|XValue|YValue;	251	geom_flags |= WidthValue|HeightValue|XValue|YValue;
		252	}
370		253
371	if (ops)	254	if (ops)
372	{	255	{
373	while (*ops)	256	char **arr = rxvt_strsplit (':', ops + 1);
		257
		258	for (int i = 0; arr[i]; i++)
374	{	259	{
375	while (*ops == ':' || isspace(*ops)) ++ops;	260	if (!strcasecmp (arr[i], "tile"))
376
377	# define CHECK_GEOM_OPS(op_str) (strncasecmp (ops, (op_str), sizeof (op_str) - 1) == 0)
378	if (CHECK_GEOM_OPS ("tile"))
379	{	261	{
		262	new_flags |= BG_TILE;
380	w = h = noScale;	263	w = h = noScale;
381	geom_flags |= WidthValue|HeightValue;	264	geom_flags |= WidthValue|HeightValue;
382	}	265	}
383	else if (CHECK_GEOM_OPS ("propscale"))	266	else if (!strcasecmp (arr[i], "propscale"))
384	{	267	{
385	if (w == 0 && h == 0)	268	new_flags |= BG_PROP_SCALE;
386	{
387	w = windowScale;
388	geom_flags |= WidthValue;
389	}
390	new_flags |= propScale;
391	}	269	}
392	else if (CHECK_GEOM_OPS ("hscale"))	270	else if (!strcasecmp (arr[i], "scale"))
393	{	271	{
		272	if (h == 0) h = windowScale;
394	if (w == 0) w = windowScale;	273	if (w == 0) w = windowScale;
395		274
396	h = noScale;
397	geom_flags |= WidthValue|HeightValue;	275	geom_flags |= WidthValue|HeightValue;
398	}	276	}
399	else if (CHECK_GEOM_OPS ("vscale"))	277	else if (!strcasecmp (arr[i], "center"))
400	{	278	{
401	if (h == 0) h = windowScale;
402
403	w = noScale;
404	geom_flags |= WidthValue|HeightValue;
405	}
406	else if (CHECK_GEOM_OPS ("scale"))
407	{
408	if (h == 0) h = windowScale;
409	if (w == 0) w = windowScale;
410
411	geom_flags |= WidthValue|HeightValue;
412	}
413	else if (CHECK_GEOM_OPS ("auto"))
414	{
415	w = h = windowScale;	279	w = h = noScale;
416	x = y = centerAlign;	280	x = y = centerAlign;
417	geom_flags |= WidthValue|HeightValue|XValue|YValue;	281	geom_flags |= WidthValue|HeightValue|XValue|YValue;
418	}	282	}
419	else if (CHECK_GEOM_OPS ("root"))	283	else if (!strcasecmp (arr[i], "root"))
420	{	284	{
		285	new_flags |= BG_TILE|BG_ROOT_ALIGN;
421	w = h = noScale;	286	w = h = noScale;
422	x = y = rootAlign;
423	geom_flags |= WidthValue|HeightValue|XValue|YValue;	287	geom_flags |= WidthValue|HeightValue;
424	}	288	}
425	# undef CHECK_GEOM_OPS
426
427	while (*ops != ':' && *ops != '\0') ++ops;
428	} /* done parsing ops */	289	} /* done parsing ops */
429	}
430		290
		291	rxvt_free_strsplit (arr);
		292	}
		293
431	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;
432	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;
433	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;
434	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;
435	}
436		298
437	if (new_flags != flags)	299	if (new_flags != bg_flags)
438	{	300	{
439	flags = new_flags;	301	bg_flags = new_flags;
440	changed++;	302	changed = true;
441	}	303	}
442		304
443	//fprintf (stderr, "flags = %lX, scale = %ux%u, align=%+d%+d\n",
444	// flags, h_scale, v_scale, h_align, v_align);
445	return (changed > 0);	305	return changed;
		306	}
		307
		308	void
		309	rxvt_term::get_image_geometry (int image_width, int image_height, int &w, int &h, int &x, int &y)
		310	{
		311	int target_width = szHint.width;
		312	int target_height = szHint.height;
		313
		314	if (bg_flags & BG_PROP_SCALE)
		315	{
		316	float scale = (float)target_width / image_width;
		317	min_it (scale, (float)target_height / image_height);
		318	w = image_width * scale + 0.5;
		319	h = image_height * scale + 0.5;
		320	}
		321	else
		322	{
		323	w = h_scale * target_width / 100;
		324	h = v_scale * target_height / 100;
		325	}
		326
		327	if (!w) w = image_width;
		328	if (!h) h = image_height;
		329
		330	if (bg_flags & BG_ROOT_ALIGN)
		331	{
		332	x = -target_x;
		333	y = -target_y;
		334	}
		335	else
		336	{
		337	x = make_align_position (h_align, target_width, w);
		338	y = make_align_position (v_align, target_height, h);
		339	}
		340
		341	bg_flags &= ~BG_IS_SIZE_SENSITIVE;
		342	if (!(bg_flags & BG_TILE)
		343	|| (bg_flags & BG_PROP_SCALE) || h_scale || v_scale
		344	|| (!(bg_flags & BG_ROOT_ALIGN) && (h_align || v_align))
		345	|| w > target_width || h > target_height)
		346	bg_flags |= BG_IS_SIZE_SENSITIVE;
446	}	347	}
447		348
448	# ifdef HAVE_AFTERIMAGE	349	# ifdef HAVE_AFTERIMAGE
449	bool	350	bool
450	bgPixmap_t::render_image (unsigned long background_flags)	351	rxvt_term::render_image (unsigned long tr_flags)
451	{	352	{
452	if (target == NULL)
453	return false;
454
455	target->init_asv ();	353	init_asv ();
456		354
457	ASImage *background = NULL;	355	ASImage *background = NULL;
458	ARGB32 background_tint = TINT_LEAVE_SAME;	356	ARGB32 background_tint = TINT_LEAVE_SAME;
459		357
460	# ifdef ENABLE_TRANSPARENCY	358	# ifdef ENABLE_TRANSPARENCY
461	if (background_flags)	359	if (tr_flags)
462	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);
463		361
464	if (!(background_flags & transpPmapTinted) && (flags & tintNeeded))	362	if (tr_flags & BG_NEEDS_TINT)
465	{	363	{
466	ShadingInfo as_shade;	364	ShadingInfo as_shade;
467	as_shade.shading = (shade == 0) ? 100 : shade;	365	as_shade.shading = shade;
468		366
469	rgba c (rgba::MAX_CC,rgba::MAX_CC,rgba::MAX_CC);	367	rgba c (rgba::MAX_CC,rgba::MAX_CC,rgba::MAX_CC);
470	if (flags & tintSet)	368	if (bg_flags & BG_TINT_SET)
471	tint.get (c);	369	tint.get (c);
472	as_shade.tintColor.red = c.r;	370	as_shade.tintColor.red = c.r;
473	as_shade.tintColor.green = c.g;	371	as_shade.tintColor.green = c.g;
474	as_shade.tintColor.blue = c.b;	372	as_shade.tintColor.blue = c.b;
475		373
476	background_tint = shading2tint32 (&as_shade);	374	background_tint = shading2tint32 (&as_shade);
477	}	375	}
478		376
479	if (!(background_flags & transpPmapBlured) && (flags & blurNeeded) && background != NULL)	377	if ((tr_flags & BG_NEEDS_BLUR) && background != NULL)
480	{	378	{
481	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,
482	(original_asim == NULL || tint == TINT_LEAVE_SAME) ? ASA_XImage : ASA_ASImage,	380	(original_asim == NULL || tint == TINT_LEAVE_SAME) ? ASA_XImage : ASA_ASImage,
483	100, ASIMAGE_QUALITY_DEFAULT);	381	100, ASIMAGE_QUALITY_DEFAULT);
484	if (tmp)	382	if (tmp)
485	{	383	{
486	destroy_asimage (&background);	384	destroy_asimage (&background);
…		…
489	}	387	}
490	# endif	388	# endif
491		389
492	ASImage *result = 0;	390	ASImage *result = 0;
493		391
494	int target_width = target->szHint.width;	392	int target_width = szHint.width;
495	int target_height = target->szHint.height;	393	int target_height = szHint.height;
496	int new_pmap_width = target_width;	394	int new_pmap_width = target_width;
497	int new_pmap_height = target_height;	395	int new_pmap_height = target_height;
498		396
499	int x = 0;	397	int x = 0;
500	int y = 0;	398	int y = 0;
501	int w = h_scale * target_width / 100;	399	int w = 0;
502	int h = v_scale * target_height / 100;	400	int h = 0;
503
504	TIMING_TEST_START (asim);
505		401
506	if (original_asim)	402	if (original_asim)
507	{	403	get_image_geometry (original_asim->width, original_asim->height, w, h, x, y);
508	if (h_align == rootAlign || v_align == rootAlign)
509	{
510	target->get_window_origin (x, y);
511	x = -x;
512	y = -y;
513	}
514
515	if (h_align != rootAlign)
516	x = make_align_position (h_align, target_width, w > 0 ? w : (int)original_asim->width);
517
518	if (v_align != rootAlign)
519	y = make_align_position (v_align, target_height, h > 0 ? h : (int)original_asim->height);
520	}
521		404
522	if (!original_asim	405	if (!original_asim
		406	|| (!(bg_flags & BG_ROOT_ALIGN)
523	|| x >= target_width	407	&& (x >= target_width
524	|| y >= target_height	408	|| y >= target_height
525	|| (w > 0 && x + w <= 0)	409	|| (x + w <= 0)
526	|| (h > 0 && y + h <= 0))	410	|| (y + h <= 0))))
527	{	411	{
528	if (background)	412	if (background)
529	{	413	{
530	new_pmap_width = background->width;	414	new_pmap_width = background->width;
531	new_pmap_height = background->height;	415	new_pmap_height = background->height;
532	result = background;	416	result = background;
533		417
534	if (background_tint != TINT_LEAVE_SAME)	418	if (background_tint != TINT_LEAVE_SAME)
535	{	419	{
536	ASImage *tmp = tile_asimage (target->asv, background, 0, 0,	420	ASImage *tmp = tile_asimage (asv, background, 0, 0,
537	target_width, target_height, background_tint,	421	target_width, target_height, background_tint,
538	ASA_XImage, 100, ASIMAGE_QUALITY_DEFAULT);	422	ASA_XImage, 100, ASIMAGE_QUALITY_DEFAULT);
539	if (tmp)	423	if (tmp)
540	result = tmp;	424	result = tmp;
541	}	425	}
…		…
545	}	429	}
546	else	430	else
547	{	431	{
548	result = original_asim;	432	result = original_asim;
549		433
550	if ((w > 0 && w != original_asim->width)	434	if ((w != original_asim->width)
551	|| (h > 0 && h != original_asim->height))	435	|| (h != original_asim->height))
552	{	436	{
553	result = scale_asimage (target->asv, original_asim,	437	result = scale_asimage (asv, original_asim,
554	w > 0 ? w : original_asim->width,	438	w, h,
555	h > 0 ? h : original_asim->height,
556	background ? ASA_ASImage : ASA_XImage,	439	background ? ASA_ASImage : ASA_XImage,
557	100, ASIMAGE_QUALITY_DEFAULT);	440	100, ASIMAGE_QUALITY_DEFAULT);
558	}	441	}
559		442
560	if (background == NULL)	443	if (background == NULL)
561	{	444	{
		445	if (bg_flags & BG_TILE)
		446	{
562	/* if tiling - pixmap has to be sized exactly as the image,	447	/* if tiling - pixmap has to be sized exactly as the image,
563	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! */
564	if (h_scale == 0)
565	new_pmap_width = min (result->width, target_width);	449	new_pmap_width = min (result->width, target_width);
566	if (v_scale == 0)
567	new_pmap_height = min (result->height, target_height);	450	new_pmap_height = min (result->height, target_height);
		451
568	/* we also need to tile our image in one or both directions */	452	/* we also need to tile our image in both directions */
569	if (h_scale == 0 || v_scale == 0)
570	{
571	ASImage *tmp = tile_asimage (target->asv, result,	453	ASImage *tmp = tile_asimage (asv, result,
572	(h_scale > 0) ? 0 : (int)result->width - x,	454	(int)result->width - x,
573	(v_scale > 0) ? 0 : (int)result->height - y,	455	(int)result->height - y,
574	new_pmap_width,	456	new_pmap_width,
575	new_pmap_height,	457	new_pmap_height,
576	TINT_LEAVE_SAME, ASA_XImage,	458	TINT_LEAVE_SAME, ASA_XImage,
577	100, ASIMAGE_QUALITY_DEFAULT);	459	100, ASIMAGE_QUALITY_DEFAULT);
578	if (tmp)	460	if (tmp)
…		…
593	layers[0].clip_width = target_width;	475	layers[0].clip_width = target_width;
594	layers[0].clip_height = target_height;	476	layers[0].clip_height = target_height;
595	layers[0].tint = background_tint;	477	layers[0].tint = background_tint;
596	layers[1].im = result;	478	layers[1].im = result;
597		479
598	if (w <= 0)	480	if (bg_flags & BG_TILE)
599	{	481	{
600	/* tile horizontally */	482	/* tile horizontally */
601	while (x > 0) x -= (int)result->width;	483	while (x > 0) x -= (int)result->width;
602	layers[1].dst_x = x;	484	layers[1].dst_x = x;
603	layers[1].clip_width = result->width+target_width;	485	layers[1].clip_width = result->width+target_width;
…		…
607	/* clip horizontally */	489	/* clip horizontally */
608	layers[1].dst_x = x;	490	layers[1].dst_x = x;
609	layers[1].clip_width = result->width;	491	layers[1].clip_width = result->width;
610	}	492	}
611		493
612	if (h <= 0)	494	if (bg_flags & BG_TILE)
613	{	495	{
614	while (y > 0) y -= (int)result->height;	496	while (y > 0) y -= (int)result->height;
615	layers[1].dst_y = y;	497	layers[1].dst_y = y;
616	layers[1].clip_height = result->height + target_height;	498	layers[1].clip_height = result->height + target_height;
617	}	499	}
…		…
619	{	501	{
620	layers[1].dst_y = y;	502	layers[1].dst_y = y;
621	layers[1].clip_height = result->height;	503	layers[1].clip_height = result->height;
622	}	504	}
623		505
624	if (target->rs[Rs_blendtype])	506	if (rs[Rs_blendtype])
625	{	507	{
626	layers[1].merge_scanlines = blend_scanlines_name2func (target->rs[Rs_blendtype]);	508	layers[1].merge_scanlines = blend_scanlines_name2func (rs[Rs_blendtype]);
627	if (layers[1].merge_scanlines == NULL)	509	if (layers[1].merge_scanlines == NULL)
628	layers[1].merge_scanlines = alphablend_scanlines;	510	layers[1].merge_scanlines = alphablend_scanlines;
629	}	511	}
630		512
631	ASImage *tmp = merge_layers (target->asv, layers, 2, target_width, target_height,	513	ASImage *tmp = merge_layers (asv, layers, 2, target_width, target_height,
632	ASA_XImage, 0, ASIMAGE_QUALITY_DEFAULT);	514	ASA_XImage, 0, ASIMAGE_QUALITY_DEFAULT);
633		515
634	if (tmp)	516	if (tmp)
635	{	517	{
636	if (result != original_asim)	518	if (result != original_asim)
…		…
640	}	522	}
641		523
642	free (layers);	524	free (layers);
643	}	525	}
644	}	526	}
645	TIMING_TEST_PRINT_RESULT (asim);
646		527
647	bool ret = false;	528	bool ret = false;
648		529
649	if (result)	530	if (result)
650	{	531	{
651	XGCValues gcv;	532	XGCValues gcv;
652	GC gc;	533	GC gc;
653		534
654	if (pixmap)
655	{
656	if (pmap_width != new_pmap_width
657	|| pmap_height != new_pmap_height
658	|| pmap_depth != target->depth)
659	{
660	XFreePixmap (target->dpy, pixmap);
661	pixmap = None;
662	}
663	}
664
665	/* create Pixmap */	535	/* create Pixmap */
666	if (pixmap == None)	536	if (bg_pixmap == None
		537	|| bg_pmap_width != new_pmap_width
		538	|| bg_pmap_height != new_pmap_height)
667	{	539	{
		540	if (bg_pixmap)
		541	XFreePixmap (dpy, bg_pixmap);
668	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);
669	pmap_width = new_pmap_width;	543	bg_pmap_width = new_pmap_width;
670	pmap_height = new_pmap_height;	544	bg_pmap_height = new_pmap_height;
671	pmap_depth = target->depth;
672	}	545	}
673	/* fill with background color (if result's not completely overlapping it) */	546	/* fill with background color (if result's not completely overlapping it) */
674	gcv.foreground = target->pix_colors[Color_bg];	547	gcv.foreground = pix_colors[Color_bg];
675	gc = XCreateGC (target->dpy, target->vt, GCForeground, &gcv);	548	gc = XCreateGC (dpy, vt, GCForeground, &gcv);
676		549
677	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;
678	int dst_width = result->width, dst_height = result->height;	551	int dst_width = result->width, dst_height = result->height;
679	if (background == NULL)	552	if (background == NULL)
680	{	553	{
		554	if (!(bg_flags & BG_TILE))
		555	{
681	if (h_scale > 0) 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 );
682	if (v_scale > 0) 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);
		558	}
683		559
684	if (dst_x > 0 || dst_y > 0	560	if (dst_x > 0 || dst_y > 0
685	|| dst_x + dst_width < new_pmap_width	561	|| dst_x + dst_width < new_pmap_width
686	|| dst_y + dst_height < new_pmap_height)	562	|| dst_y + dst_height < new_pmap_height)
687	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);
688	}	564	}
689		565
690	/* put result on pixmap */	566	/* put result on pixmap */
691	if (dst_x < new_pmap_width && dst_y < new_pmap_height)	567	if (dst_x < new_pmap_width && dst_y < new_pmap_height)
692	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);
693		569
694	if (result != background && result != original_asim)	570	if (result != background && result != original_asim)
695	destroy_asimage (&result);	571	destroy_asimage (&result);
696		572
697	XFreeGC (target->dpy, gc);	573	XFreeGC (dpy, gc);
698	TIMING_TEST_PRINT_RESULT (asim);
699		574
700	ret = true;	575	ret = true;
701	}	576	}
702		577
703	if (background)	578	if (background)
…		…
705		580
706	return ret;	581	return ret;
707	}	582	}
708	# endif /* HAVE_AFTERIMAGE */	583	# endif /* HAVE_AFTERIMAGE */
709		584
		585	# ifdef HAVE_PIXBUF
710	bool	586	bool
711	bgPixmap_t::set_file (const char *file)	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)
712	{	590	{
713	assert (file);	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;
714		599
715	if (*file)	600	if (visual->c_class != TrueColor)
		601	return false;
		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;
716	{	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	{
		672	if (!pixbuf)
		673	return false;
		674
		675	if (tr_flags
		676	&& !(bg_flags & BG_HAS_RENDER))
		677	return false;
		678
		679	GdkPixbuf *result;
		680
		681	int image_width = gdk_pixbuf_get_width (pixbuf);
		682	int image_height = gdk_pixbuf_get_height (pixbuf);
		683
		684	int target_width = szHint.width;
		685	int target_height = szHint.height;
		686	int new_pmap_width = target_width;
		687	int new_pmap_height = target_height;
		688
		689	int x = 0;
		690	int y = 0;
		691	int w = 0;
		692	int h = 0;
		693
		694	get_image_geometry (image_width, image_height, w, h, x, y);
		695
		696	if (!(bg_flags & BG_ROOT_ALIGN)
		697	&& (x >= target_width
		698	|| y >= target_height
		699	|| (x + w <= 0)
		700	|| (y + h <= 0)))
		701	return false;
		702
		703	result = pixbuf;
		704
		705	if ((w != image_width)
		706	|| (h != image_height))
		707	{
		708	result = gdk_pixbuf_scale_simple (pixbuf,
		709	w, h,
		710	GDK_INTERP_BILINEAR);
		711	}
		712
		713	if (!result)
		714	return false;
		715
		716	bool ret = false;
		717
		718	XGCValues gcv;
		719	GC gc;
		720	Pixmap root_pmap;
		721
		722	image_width = gdk_pixbuf_get_width (result);
		723	image_height = gdk_pixbuf_get_height (result);
		724
		725	if (tr_flags)
		726	{
		727	root_pmap = bg_pixmap;
		728	bg_pixmap = None;
		729	}
		730	else
		731	{
		732	if (bg_flags & BG_TILE)
		733	{
		734	new_pmap_width = min (image_width, target_width);
		735	new_pmap_height = min (image_height, target_height);
		736	}
		737	}
		738
		739	if (bg_pixmap == None
		740	|| bg_pmap_width != new_pmap_width
		741	|| bg_pmap_height != new_pmap_height)
		742	{
		743	if (bg_pixmap)
		744	XFreePixmap (dpy, bg_pixmap);
		745	bg_pixmap = XCreatePixmap (dpy, vt, new_pmap_width, new_pmap_height, depth);
		746	bg_pmap_width = new_pmap_width;
		747	bg_pmap_height = new_pmap_height;
		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)
		756	{
		757	Pixmap tile = XCreatePixmap (dpy, vt, image_width, image_height, depth);
		758	pixbuf_to_pixmap (result, tile, gc,
		759	0, 0,
		760	0, 0,
		761	image_width, image_height);
		762
		763	gcv.tile = tile;
		764	gcv.fill_style = FillTiled;
		765	gcv.ts_x_origin = x;
		766	gcv.ts_y_origin = y;
		767	XChangeGC (dpy, gc, GCFillStyle | GCTile | GCTileStipXOrigin | GCTileStipYOrigin, &gcv);
		768
		769	XFillRectangle (dpy, bg_pixmap, gc, 0, 0, new_pmap_width, new_pmap_height);
		770	XFreePixmap (dpy, tile);
		771	}
		772	else
		773	{
		774	int src_x, src_y, dst_x, dst_y;
		775	int dst_width, dst_height;
		776
		777	src_x = make_clip_rectangle (x, image_width , new_pmap_width , dst_x, dst_width );
		778	src_y = make_clip_rectangle (y, image_height, new_pmap_height, dst_y, dst_height);
		779
		780	if (dst_x > 0 || dst_y > 0
		781	|| dst_x + dst_width < new_pmap_width
		782	|| dst_y + dst_height < new_pmap_height)
		783	XFillRectangle (dpy, bg_pixmap, gc, 0, 0, new_pmap_width, new_pmap_height);
		784
		785	if (dst_x < new_pmap_width && dst_y < new_pmap_height)
		786	pixbuf_to_pixmap (result, bg_pixmap, gc,
		787	src_x, src_y,
		788	dst_x, dst_y,
		789	dst_width, dst_height);
		790	}
		791
		792	#if XRENDER
		793	if (tr_flags)
		794	{
		795	XRenderPictureAttributes pa;
		796
		797	XRenderPictFormat *src_format = XRenderFindVisualFormat (dpy, visual);
		798	Picture src = XRenderCreatePicture (dpy, root_pmap, src_format, 0, &pa);
		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
		824	XFreeGC (dpy, gc);
		825
		826	ret = true;
		827	}
		828
		829	if (result != pixbuf)
		830	g_object_unref (result);
		831
		832	if (tr_flags)
		833	XFreePixmap (dpy, root_pmap);
		834
		835	return ret;
		836	}
		837	# endif /* HAVE_PIXBUF */
		838
		839	bool
		840	rxvt_term::bg_set_file (const char *file)
		841	{
		842	if (!file || !*file)
		843	return false;
		844
717	if (const char *p = strchr (file, ';'))	845	if (const char *p = strchr (file, ';'))
718	{	846	{
719	size_t len = p - file;	847	size_t len = p - file;
720	char *f = rxvt_temp_buf<char> (len + 1);	848	char *f = rxvt_temp_buf<char> (len + 1);
721	memcpy (f, file, len);	849	memcpy (f, file, len);
722	f[len] = '\0';	850	f[len] = '\0';
723	file = f;	851	file = f;
724	}	852	}
725		853
726	# ifdef HAVE_AFTERIMAGE	854	# ifdef HAVE_AFTERIMAGE
727	if (!target->asimman)	855	if (!asimman)
728	target->asimman = create_generic_imageman (target->rs[Rs_path]);	856	asimman = create_generic_imageman (rs[Rs_path]);
729	original_asim = get_asimage (target->asimman, file, 0xFFFFFFFF, 100);	857	ASImage *image = get_asimage (asimman, file, 0xFFFFFFFF, 100);
		858	if (image)
		859	{
730	if (original_asim)	860	if (original_asim)
731	have_image = true;	861	safe_asimage_destroy (original_asim);
732	return have_image;	862	original_asim = image;
		863	bg_flags |= BG_IS_FROM_FILE | BG_CLIENT_RENDER;
		864	return true;
		865	}
733	# endif	866	# endif
		867
		868	# ifdef HAVE_PIXBUF
		869	GdkPixbuf *image = gdk_pixbuf_new_from_file (file, NULL);
		870	if (image)
734	}	871	{
		872	if (pixbuf)
		873	g_object_unref (pixbuf);
		874	pixbuf = image;
		875	bg_flags |= BG_IS_FROM_FILE;
		876	return true;
		877	}
		878	# endif
735		879
736	return false;	880	return false;
737	}	881	}
738		882
739	# endif /* BG_IMAGE_FROM_FILE */	883	# endif /* BG_IMAGE_FROM_FILE */
740		884
741	# ifdef ENABLE_TRANSPARENCY	885	# ifdef ENABLE_TRANSPARENCY
742	bool	886	bool
743	bgPixmap_t::set_transparent ()	887	rxvt_term::bg_set_transparent ()
744	{	888	{
745	if (!(flags & isTransparent))	889	if (!(bg_flags & BG_IS_TRANSPARENT))
746	{	890	{
747	flags |= isTransparent;	891	bg_flags |= BG_IS_TRANSPARENT;
748	return true;	892	return true;
749	}	893	}
750		894
751	return false;	895	return false;
752	}	896	}
753		897
754	bool	898	bool
755	bgPixmap_t::set_blur_radius (const char *geom)	899	rxvt_term::bg_set_blur (const char *geom)
756	{	900	{
757	int changed = 0;	901	bool changed = false;
758	unsigned int hr, vr;	902	unsigned int hr, vr;
759	int junk;	903	int junk;
760	int geom_flags = XParseGeometry (geom, &junk, &junk, &hr, &vr);	904	int geom_flags = XParseGeometry (geom, &junk, &junk, &hr, &vr);
761		905
762	if (!(geom_flags & WidthValue))	906	if (!(geom_flags & WidthValue))
763	hr = 1;	907	hr = 1;
764	if (!(geom_flags & HeightValue))	908	if (!(geom_flags & HeightValue))
765	vr = hr;	909	vr = hr;
766		910
		911	min_it (hr, 128);
		912	min_it (vr, 128);
		913
767	if (h_blurRadius != hr)	914	if (h_blurRadius != hr)
768	{	915	{
769	++changed;	916	changed = true;
770	h_blurRadius = hr;	917	h_blurRadius = hr;
771	}	918	}
772		919
773	if (v_blurRadius != vr)	920	if (v_blurRadius != vr)
774	{	921	{
775	++changed;	922	changed = true;
776	v_blurRadius = vr;	923	v_blurRadius = vr;
777	}	924	}
778		925
779	if (v_blurRadius == 0 && h_blurRadius == 0)	926	if (v_blurRadius == 0 && h_blurRadius == 0)
780	flags &= ~blurNeeded;	927	bg_flags &= ~BG_NEEDS_BLUR;
781	else	928	else
782	flags |= blurNeeded;	929	bg_flags |= BG_NEEDS_BLUR;
783		930
784	return (changed > 0);	931	return changed;
785	}	932	}
786		933
787	static inline unsigned long	934	void
788	compute_tint_shade_flags (rxvt_color *tint, int shade)	935	rxvt_term::set_tint_shade_flags ()
789	{	936	{
790	unsigned long flags = 0;
791	rgba c (rgba::MAX_CC,rgba::MAX_CC,rgba::MAX_CC);	937	rgba c (rgba::MAX_CC,rgba::MAX_CC,rgba::MAX_CC);
792	bool has_shade = (shade > 0 && shade < 100) || (shade > 100 && shade < 200);	938	bool has_shade = shade != 100;
793		939
794	if (tint)	940	bg_flags &= ~BG_TINT_FLAGS;
		941
		942	if (bg_flags & BG_TINT_SET)
795	{	943	{
796	tint->get (c);	944	tint.get (c);
797	# define IS_COMPONENT_WHOLESOME(cmp) ((cmp) <= 0x000700 || (cmp) >= 0x00f700)
798	if (!has_shade && IS_COMPONENT_WHOLESOME (c.r)
799	&& IS_COMPONENT_WHOLESOME (c.g)
800	&& IS_COMPONENT_WHOLESOME (c.b))
801	flags |= bgPixmap_t::tintWholesome;
802	# undef IS_COMPONENT_WHOLESOME
803	}
804
805	if (has_shade)	945	if (!has_shade
806	flags |= bgPixmap_t::tintNeeded;	946	&& (c.r <= 0x00ff || c.r >= 0xff00)
807	else if (tint)	947	&& (c.g <= 0x00ff || c.g >= 0xff00)
		948	&& (c.b <= 0x00ff || c.b >= 0xff00))
		949	bg_flags |= BG_TINT_BITAND;
808	{	950	}
809	if ((c.r > 0x000700 || c.g > 0x000700 || c.b > 0x000700)	951
810	&& (c.r < 0x00f700 || c.g < 0x00f700 || c.b < 0x00f700))	952	if (has_shade || (bg_flags & BG_TINT_SET))
811	{	953	bg_flags |= BG_NEEDS_TINT;
812	flags |= bgPixmap_t::tintNeeded;	954	}
		955
		956	bool
		957	rxvt_term::bg_set_tint (rxvt_color &new_tint)
		958	{
		959	if (!(bg_flags & BG_TINT_SET) || tint != new_tint)
		960	{
		961	tint = new_tint;
		962	bg_flags |= BG_TINT_SET;
		963	set_tint_shade_flags ();
		964	return true;
		965	}
		966
		967	return false;
		968	}
		969
		970	bool
		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	}
		1010	#endif
		1011
		1012	bool
		1013	rxvt_term::blur_pixmap (Pixmap pixmap, Visual *visual, int width, int height)
		1014	{
		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)
		1028	{
		1029	if (h_blurRadius)
813	}	1030	{
814	}	1031	size = h_blurRadius * 2 + 1;
		1032	get_gaussian_kernel (h_blurRadius, size, kernel, params);
815		1033
816	if (flags & bgPixmap_t::tintNeeded)	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
		1064	ret = true;
817	{	1065	}
818	if (flags & bgPixmap_t::tintWholesome)	1066
819	flags |= bgPixmap_t::tintServerSide;	1067	free (kernel);
		1068	free (params);
		1069	XRenderFreePicture (dpy, src);
		1070	XRenderFreePicture (dpy, dst);
		1071	#endif
		1072	return ret;
		1073	}
		1074
		1075	bool
		1076	rxvt_term::tint_pixmap (Pixmap pixmap, Visual *visual, int width, int height)
		1077	{
		1078	bool ret = false;
		1079
		1080	if (bg_flags & BG_TINT_BITAND)
		1081	{
		1082	XGCValues gcv;
		1083	GC gc;
		1084
		1085	/* In this case we can tint image server-side getting significant
		1086	* performance improvements, as we eliminate XImage transfer
		1087	*/
		1088	gcv.foreground = Pixel (tint);
		1089	gcv.function = GXand;
		1090	gcv.fill_style = FillSolid;
		1091	gc = XCreateGC (dpy, pixmap, GCFillStyle | GCForeground | GCFunction, &gcv);
		1092	if (gc)
		1093	{
		1094	XFillRectangle (dpy, pixmap, gc, 0, 0, width, height);
		1095	ret = true;
		1096	XFreeGC (dpy, gc);
		1097	}
		1098	}
		1099	else
		1100	{
		1101	# if XRENDER
		1102	rgba c (rgba::MAX_CC, rgba::MAX_CC, rgba::MAX_CC);
		1103
		1104	if (bg_flags & BG_TINT_SET)
		1105	tint.get (c);
		1106
		1107	if (shade <= 100)
		1108	{
		1109	c.r = c.r * shade / 100;
		1110	c.g = c.g * shade / 100;
		1111	c.b = c.b * shade / 100;
		1112	}
820	else	1113	else
821	{	1114	{
822	#if XFT	1115	c.r = c.r * (200 - shade) / 100;
823	flags |= bgPixmap_t::tintServerSide;	1116	c.g = c.g * (200 - shade) / 100;
824	#endif	1117	c.b = c.b * (200 - shade) / 100;
		1118	}
		1119
		1120	XRenderPictFormat *solid_format = XRenderFindStandardFormat (dpy, PictStandardARGB32);
		1121	XRenderPictFormat *format = XRenderFindVisualFormat (dpy, visual);
		1122	XRenderPictureAttributes pa;
		1123
		1124	Picture back_pic = XRenderCreatePicture (dpy, pixmap, format, 0, &pa);
		1125
		1126	pa.repeat = True;
		1127
		1128	Pixmap overlay_pmap = XCreatePixmap (dpy, pixmap, 1, 1, 32);
		1129	Picture overlay_pic = XRenderCreatePicture (dpy, overlay_pmap, solid_format, CPRepeat, &pa);
		1130	XFreePixmap (dpy, overlay_pmap);
		1131
		1132	pa.component_alpha = True;
		1133	Pixmap mask_pmap = XCreatePixmap (dpy, pixmap, 1, 1, 32);
		1134	Picture mask_pic = XRenderCreatePicture (dpy, mask_pmap, solid_format, CPRepeat | CPComponentAlpha, &pa);
		1135	XFreePixmap (dpy, mask_pmap);
		1136
		1137	XRenderColor mask_c;
		1138
		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)
825	}	1153	{
826	}	1154	mask_c.red = mask_c.green = mask_c.blue = 0xffff * (shade - 100) / 100;
		1155	mask_c.alpha = 0;
		1156	XRenderFillRectangle (dpy, PictOpSrc, overlay_pic, &mask_c, 0, 0, 1, 1);
827		1157
828	return flags;	1158	XRenderComposite (dpy, PictOpOver, overlay_pic, None, back_pic, 0, 0, 0, 0, 0, 0, width, height);
829	}	1159	}
830		1160
831	bool
832	bgPixmap_t::set_tint (rxvt_color &new_tint)
833	{
834	if (tint != new_tint)
835	{
836	unsigned long new_flags = compute_tint_shade_flags (&new_tint, shade);
837	tint = new_tint;
838	flags = (flags & ~tintFlags) | new_flags | tintSet;
839	return true;	1161	ret = true;
840	}
841		1162
842	return false;	1163	XRenderFreePicture (dpy, mask_pic);
843	}	1164	XRenderFreePicture (dpy, overlay_pic);
844		1165	XRenderFreePicture (dpy, back_pic);
845	bool	1166	# endif
846	bgPixmap_t::unset_tint ()
847	{
848	unsigned long new_flags = compute_tint_shade_flags (NULL, shade);
849
850	if (new_flags != (flags & tintFlags))
851	{	1167	}
852	flags = (flags & ~tintFlags) | new_flags;
853	return true;
854	}
855		1168
856	return false;	1169	return ret;
857	}	1170	}
858		1171
859	bool	1172	/*
860	bgPixmap_t::set_shade (const char *shade_str)	1173	* Builds a pixmap of the same size as the terminal window that contains
861	{
862	int new_shade = (shade_str) ? atoi (shade_str) : 0;
863
864	if (new_shade < 0 && new_shade > -100)
865	new_shade = 200 - (100 + new_shade);
866	else if (new_shade == 100)
867	new_shade = 0;
868
869	if (new_shade != shade)
870	{
871	unsigned long new_flags = compute_tint_shade_flags ((flags & tintSet) ? &tint : NULL, new_shade);
872	shade = new_shade;
873	flags = (flags & (~tintFlags | tintSet)) | new_flags;
874	return true;
875	}
876
877	return false;
878	}
879
880	/* make_transparency_pixmap()
881	* Builds a pixmap sized the same as terminal window, with depth same as the root window
882	* 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
883	* our window.	1175	* our window.
884	*/	1176	*/
885	unsigned long	1177	unsigned long
886	bgPixmap_t::make_transparency_pixmap ()	1178	rxvt_term::make_transparency_pixmap ()
887	{	1179	{
888	unsigned long result = 0;	1180	unsigned long result = 0;
889
890	if (target == NULL)
891	return 0;
892		1181
893	/* 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
894	* be always up-to-date, so let's use it :	1183	* be always up-to-date, so let's use it :
895	*/	1184	*/
896	Window root = target->display->root;
897	int screen = target->display->screen;	1185	int screen = display->screen;
898	Display *dpy = target->dpy;	1186	int root_depth = DefaultDepth (dpy, screen);
899	int root_width = DisplayWidth (dpy, screen);	1187	int root_width = DisplayWidth (dpy, screen);
900	int root_height = DisplayHeight (dpy, screen);	1188	int root_height = DisplayHeight (dpy, screen);
901	unsigned int root_pmap_width, root_pmap_height;	1189	unsigned int root_pmap_width, root_pmap_height;
902	int window_width = target->szHint.width;	1190	int window_width = szHint.width;
903	int window_height = target->szHint.height;	1191	int window_height = szHint.height;
904	int sx, sy;	1192	int sx, sy;
905	XGCValues gcv;	1193	XGCValues gcv;
		1194	GC gc;
906		1195
907	TIMING_TEST_START (tp);	1196	sx = target_x;
908	target->get_window_origin (sx, sy);	1197	sy = target_y;
909		1198
910	/* 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 : */
911	if (sx + window_width <= 0 || sy + window_height <= 0	1200	if (sx + window_width <= 0 || sy + window_height <= 0
912	|| sx >= root_width || sy >= root_height)	1201	|| sx >= root_width || sy >= root_height)
913	return 0;	1202	return 0;
914		1203
		1204	// validate root pixmap and get its size
915	if (root_pixmap != None)	1205	if (root_pixmap != None)
916	{	1206	{
917	/* we want to validate the pixmap and get it's size at the same time : */	1207	Window wdummy;
918	int junk;	1208	int idummy;
919	unsigned int ujunk;	1209	unsigned int udummy;
920	/* root pixmap may be bad - allow a error */	1210
921	target->allowedxerror = -1;	1211	allowedxerror = -1;
922		1212
923	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))
924	root_pixmap = None;	1214	root_pixmap = None;
925		1215
926	target->allowedxerror = 0;	1216	allowedxerror = 0;
		1217	}
		1218
		1219	Pixmap recoded_root_pmap = root_pixmap;
		1220
		1221	if (root_pixmap != None && root_depth != depth)
927	}	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);
928		1227
929	Pixmap tiled_root_pmap = XCreatePixmap (dpy, root, window_width, window_height, root_depth);	1228	XRenderPictureAttributes pa;
930	GC gc = NULL;
931		1229
932	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)
933	return 0;	1247	return 0;
934		1248
935	if (root_pixmap == None)	1249	if (bg_pixmap == None
		1250	|| bg_pmap_width != window_width
		1251	|| bg_pmap_height != window_height)
936	{	1252	{
937	/* use tricks to obtain the root background image :*/	1253	if (bg_pixmap)
938	/* we want to create Overrideredirect window overlapping out window
939	with background type of Parent Relative and then grab it */
940	XSetWindowAttributes attr;
941	Window src;
942	bool success = false;
943
944	attr.background_pixmap = ParentRelative;
945	attr.backing_store = Always;
946	attr.event_mask = ExposureMask;
947	attr.override_redirect = True;
948	src = XCreateWindow (dpy, root, sx, sy, window_width, window_height, 0,
949	CopyFromParent, CopyFromParent, CopyFromParent,
950	CWBackPixmap|CWBackingStore|CWOverrideRedirect|CWEventMask,
951	&attr);
952
953	if (src != None)
954	{
955	XEvent event;
956	int ev_count = 0;
957	XGrabServer (dpy);
958	XMapRaised (dpy, src);
959	XSync (dpy, False);
960
961	/* XSync should get window where it's properly exposed,
962	* but to be on the safe side - let's check for the actual event to arrive : */
963	while (XCheckWindowEvent (dpy, src, ExposureMask, &event))
964	++ev_count;
965
966	if (ev_count > 0);
967	{
968	/* hooray! - we can grab the image! */
969	gc = XCreateGC (dpy, root, 0, NULL);
970	if (gc)
971	{
972	XCopyArea (dpy, src, tiled_root_pmap, gc, 0, 0, window_width, window_height, 0, 0);
973	success = true;
974	}
975	}
976
977	XDestroyWindow (dpy, src);
978	XUngrabServer (dpy);
979	//fprintf (stderr, "%s:%d: ev_count = %d\n", __FUNCTION__, __LINE__, ev_count);
980	}
981
982	if (!success)
983	{
984	XFreePixmap (dpy, tiled_root_pmap);	1254	XFreePixmap (dpy, bg_pixmap);
985	tiled_root_pmap = None;	1255	bg_pixmap = XCreatePixmap (dpy, vt, window_width, window_height, depth);
986	}	1256	bg_pmap_width = window_width;
987	else	1257	bg_pmap_height = window_height;
988	result |= transpPmapTiled;
989	}
990	else
991	{	1258	}
		1259
992	/* straightforward pixmap copy */	1260	/* straightforward pixmap copy */
		1261	while (sx < 0) sx += root_width;
		1262	while (sy < 0) sy += root_height;
		1263
993	gcv.tile = root_pixmap;	1264	gcv.tile = recoded_root_pmap;
994	gcv.fill_style = FillTiled;	1265	gcv.fill_style = FillTiled;
995
996	while (sx < 0) sx += (int)root_width;
997	while (sy < 0) sy += (int)root_height;
998
999	gcv.ts_x_origin = -sx;	1266	gcv.ts_x_origin = -sx;
1000	gcv.ts_y_origin = -sy;	1267	gcv.ts_y_origin = -sy;
1001	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);
1002		1361
1003	if (gc)	1362	if (gc)
1004	{	1363	{
1005	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);
1006	result |= transpPmapTiled;
1007	}
1008	}
1009	TIMING_TEST_PRINT_RESULT (tp);
1010		1365
1011	if (tiled_root_pmap != None)	1366	XFreeGC (dpy, gc);
1012	{	1367	bg_flags |= BG_IS_VALID;
1013	if (!need_client_side_rendering ())
1014	{	1368	}
1015	if ((flags & tintNeeded))
1016	{
1017	if (flags & tintWholesome)
1018	{
1019	/* In this case we can tint image server-side getting significant
1020	* performance improvements, as we eliminate XImage transfer
1021	*/
1022	gcv.foreground = Pixel (tint);
1023	gcv.function = GXand;
1024	gcv.fill_style = FillSolid;
1025	if (gc)
1026	XChangeGC (dpy, gc, GCFillStyle | GCForeground | GCFunction, &gcv);
1027	else
1028	gc = XCreateGC (dpy, root, GCFillStyle | GCForeground | GCFunction, &gcv);
1029	if (gc)
1030	{
1031	XFillRectangle (dpy, tiled_root_pmap, gc, 0, 0, window_width, window_height);
1032	result |= transpPmapTinted;
1033	}
1034	}
1035	else
1036	{
1037	# if XFT
1038	Picture back_pic = 0;
1039	rgba c (rgba::MAX_CC,rgba::MAX_CC,rgba::MAX_CC);
1040		1369
1041	if (flags & tintSet)	1370	XDestroyImage (result);
1042	tint.get (c);
1043
1044	if (shade > 0 && shade < 100)
1045	{
1046	c.r = (c.r * shade) / 100;
1047	c.g = (c.g * shade) / 100;
1048	c.b = (c.b * shade) / 100;
1049	}
1050	else if (shade > 100 && shade < 200)
1051	{
1052	c.r = (c.r * (200 - shade)) / 100;
1053	c.g = (c.g * (200 - shade)) / 100;
1054	c.b = (c.b * (200 - shade)) / 100;
1055	}
1056
1057	XRenderPictFormat pf;
1058	pf.type = PictTypeDirect;
1059	pf.depth = 32;
1060	pf.direct.redMask = 0xff;
1061	pf.direct.greenMask = 0xff;
1062	pf.direct.blueMask = 0xff;
1063	pf.direct.alphaMask = 0xff;
1064
1065	XRenderPictFormat *solid_format = XRenderFindFormat (dpy,
1066	(PictFormatType|
1067	PictFormatDepth|
1068	PictFormatRedMask|
1069	PictFormatGreenMask|
1070	PictFormatBlueMask|
1071	PictFormatAlphaMask),
1072	&pf,
1073	0);
1074	XRenderPictFormat *root_format = XRenderFindVisualFormat (dpy, DefaultVisualOfScreen (ScreenOfDisplay (dpy, target->display->screen)));
1075	XRenderPictureAttributes pa ;
1076
1077	back_pic = XRenderCreatePicture (dpy, tiled_root_pmap, root_format, 0, &pa);
1078
1079	pa.repeat = True;
1080
1081	Pixmap overlay_pmap = XCreatePixmap (dpy, root, 1, 1, 32);
1082	Picture overlay_pic = XRenderCreatePicture (dpy, overlay_pmap, solid_format, CPRepeat, &pa);
1083	XFreePixmap (dpy, overlay_pmap);
1084
1085	pa.component_alpha = True;
1086	Pixmap mask_pmap = XCreatePixmap (dpy, root, 1, 1, 32);
1087	Picture mask_pic = XRenderCreatePicture (dpy, mask_pmap, solid_format, CPRepeat|CPComponentAlpha, &pa);
1088	XFreePixmap (dpy, mask_pmap);
1089
1090	if (mask_pic && overlay_pic && back_pic)
1091	{
1092	XRenderColor mask_c;
1093
1094	memset (&mask_c, (shade > 100) ? 0xFF : 0x0, sizeof (mask_c));
1095	mask_c.alpha = 0xffff;
1096	XRenderFillRectangle (dpy, PictOpSrc, overlay_pic, &mask_c, 0, 0, 1, 1);
1097
1098	mask_c.alpha = 0;
1099	mask_c.red = 0xffff - c.r;
1100	mask_c.green = 0xffff - c.g;
1101	mask_c.blue = 0xffff - c.b;
1102	XRenderFillRectangle (dpy, PictOpSrc, mask_pic, &mask_c, 0, 0, 1, 1);
1103	XRenderComposite (dpy, PictOpOver, overlay_pic, mask_pic, back_pic, 0, 0, 0, 0, 0, 0, window_width, window_height);
1104	result |= transpPmapTinted;
1105	}
1106
1107	XRenderFreePicture (dpy, mask_pic);
1108	XRenderFreePicture (dpy, overlay_pic);
1109	XRenderFreePicture (dpy, back_pic);
1110	# if DO_TIMING_TEST
1111	XSync (dpy, False);
1112	# endif
1113	# endif
1114	}
1115	}
1116	} /* server side rendering completed */
1117
1118	if (pixmap)
1119	XFreePixmap (dpy, pixmap);
1120
1121	pixmap = tiled_root_pmap;
1122	pmap_width = window_width;
1123	pmap_height = window_height;
1124	pmap_depth = root_depth;
1125	}
1126
1127	if (gc)
1128	XFreeGC (dpy, gc);
1129
1130	TIMING_TEST_PRINT_RESULT (tp);
1131
1132	return result;
1133	}
1134
1135	bool
1136	bgPixmap_t::set_root_pixmap ()
1137	{
1138	Pixmap new_root_pixmap = target->get_pixmap_property (XA_XROOTPMAP_ID);
1139	if (new_root_pixmap == None)
1140	new_root_pixmap = target->get_pixmap_property (XA_ESETROOT_PMAP_ID);
1141
1142	if (new_root_pixmap != root_pixmap)
1143	{	1371	}
1144	root_pixmap = new_root_pixmap;
1145	return true;
1146	}
1147
1148	return false;
1149	}
1150	# endif /* ENABLE_TRANSPARENCY */
1151
1152	# ifndef HAVE_AFTERIMAGE
1153	static void ShadeXImage(rxvt_term *term, XImage *srcImage, int shade, int rm, int gm, int bm);
1154	# endif	1372	# endif
1155		1373
1156	bool	1374	if (!(bg_flags & BG_IS_VALID))
1157	bgPixmap_t::render ()
1158	{
1159	unsigned long background_flags = 0;
1160
1161	if (target == NULL)
1162	return false;
1163
1164	TIMING_TEST_START (tp);
1165
1166	invalidate ();
1167	# ifdef ENABLE_TRANSPARENCY
1168	if (flags & isTransparent)
1169	{
1170	/* we need to re-generate transparency pixmap in that case ! */
1171	background_flags = make_transparency_pixmap ();
1172	if (background_flags == 0)
1173	return false;
1174	else if ((background_flags & transpTransformations) == (flags & transpTransformations)
1175	&& pmap_depth == target->depth)
1176	flags = flags & ~isInvalid;
1177	}	1375	{
1178	# endif
1179
1180	# ifdef BG_IMAGE_FROM_FILE
1181	if (have_image
1182	|| (background_flags & transpTransformations) != (flags & transpTransformations))
1183	{
1184	if (render_image (background_flags))
1185	flags = flags & ~isInvalid;
1186	}
1187	# endif
1188
1189	XImage *result = NULL;
1190
1191	if (background_flags && (flags & isInvalid))
1192	{
1193	result = XGetImage (target->dpy, pixmap, 0, 0, pmap_width, pmap_height, AllPlanes, ZPixmap);
1194
1195	# if !defined(HAVE_AFTERIMAGE) && !XFT
1196	/* our own client-side tinting */
1197	/* ATTENTION: We ASSUME that XFT will let us do all the tinting necessary server-side.
1198	This may need to be changed in need_client_side_rendering() logic is altered !!! */
1199	if (result != NULL && !(background_flags & transpPmapTinted) && (flags & tintNeeded))
1200	{
1201	rgba c (rgba::MAX_CC,rgba::MAX_CC,rgba::MAX_CC);
1202	if (flags & tintSet)
1203	tint.get (c);
1204	ShadeXImage (target, result, shade, c.r, c.g, c.b);
1205	}
1206	# endif
1207	}
1208
1209	if (result)
1210	{
1211	GC gc = XCreateGC (target->dpy, target->vt, 0UL, NULL);
1212
1213	if (gc)
1214	{
1215	if (/*pmap_depth != target->depth &&*/ pixmap != None)
1216	{
1217	XFreePixmap (target->dpy, pixmap);
1218	pixmap = None;
1219	}
1220
1221	if (pixmap == None)
1222	{
1223	pixmap = XCreatePixmap (target->dpy, target->vt, result->width, result->height, target->depth);
1224	pmap_width = result->width;
1225	pmap_height = result->height;
1226	pmap_depth = target->depth;
1227	}
1228
1229	if (pmap_depth != result->depth)
1230	{
1231	/* Bad Match error will ensue ! stupid X !!!! */
1232	if (result->depth == 24 && pmap_depth == 32)
1233	result->depth = 32;
1234	else if (result->depth == 32 && pmap_depth == 24)
1235	result->depth = 24;
1236	else
1237	{
1238	/* TODO: implement image recoding */
1239	}
1240	}
1241
1242	if (pmap_depth == result->depth)
1243	XPutImage (target->dpy, pixmap, gc, result, 0, 0, 0, 0, result->width, result->height);
1244
1245	XFreeGC (target->dpy, gc);
1246	flags = flags & ~isInvalid;
1247	}
1248
1249	XDestroyImage (result);
1250	}
1251
1252	if (flags & isInvalid)
1253	{
1254	if (pixmap != None)	1376	if (bg_pixmap != None)
1255	{	1377	{
1256	XFreePixmap (target->dpy, pixmap);	1378	XFreePixmap (dpy, bg_pixmap);
1257	pixmap = None;	1379	bg_pixmap = None;
1258	}	1380	}
1259	}	1381	}
1260		1382
1261	apply ();	1383	scr_recolour (false);
		1384	bg_flags |= BG_NEEDS_REFRESH;
1262		1385
1263	XSync (target->dpy, False);
1264	valid_since = ev::now ();	1386	bg_valid_since = ev::now ();
1265
1266	TIMING_TEST_PRINT_RESULT (tp);
1267		1387
1268	return true;	1388	return true;
1269	}	1389	}
1270		1390
1271	bool
1272	bgPixmap_t::set_target (rxvt_term *new_target)
1273	{
1274	if (new_target)
1275	if (target != new_target)
1276	{
1277	target = new_target;
1278	# ifdef ENABLE_TRANSPARENCY
1279	root_depth = DefaultDepthOfScreen (ScreenOfDisplay (target->dpy, target->display->screen));
1280	# endif
1281	return true;
1282	}
1283
1284	return false;
1285	}
1286
1287	void	1391	void
1288	bgPixmap_t::apply ()	1392	rxvt_term::bg_init ()
1289	{	1393	{
1290	if (target)
1291	{
1292	flags &= ~isVtOrigin;
1293
1294	if (pixmap != None)
1295	{
1296	/* set target's background to pixmap */
1297	# ifdef ENABLE_TRANSPARENCY	1394	#ifdef ENABLE_TRANSPARENCY
1298	if (flags & isTransparent)	1395	shade = 100;
1299	{
1300	XSetWindowBackgroundPixmap (target->dpy, target->parent[0], pixmap);
1301	XSetWindowBackgroundPixmap (target->dpy, target->vt, ParentRelative);
1302
1303	if (target->scrollBar.win)
1304	XSetWindowBackgroundPixmap (target->dpy, target->scrollBar.win, ParentRelative);
1305	}
1306	else
1307	# endif	1396	#endif
1308	{
1309	flags |= isVtOrigin;
1310	/* force old pixmap dereference in case it was transparent before :*/
1311	XSetWindowBackground (target->dpy, target->parent[0], target->pix_colors[Color_border]);
1312	XSetWindowBackgroundPixmap (target->dpy, target->vt, pixmap);
1313	/* do we also need to set scrollbar's background here ? */
1314		1397
1315	if (target->scrollBar.win)	1398	bg_flags &= ~(BG_HAS_RENDER | BG_HAS_RENDER_CONV);
1316	XSetWindowBackground (target->dpy, target->scrollBar.win, target->pix_colors[Color_border]);	1399	#if XRENDER
1317	}	1400	int major, minor;
1318	}	1401	if (XRenderQueryVersion (dpy, &major, &minor))
1319	else	1402	bg_flags |= BG_HAS_RENDER;
1320	{	1403	XFilters *filters = XRenderQueryFilters (dpy, vt);
1321	/* set target background to a pixel */	1404	if (filters)
1322	XSetWindowBackground (target->dpy, target->parent[0], target->pix_colors[Color_border]);
1323	XSetWindowBackground (target->dpy, target->vt, target->pix_colors[Color_bg]);
1324	/* do we also need to set scrollbar's background here ? */
1325	if (target->scrollBar.win)
1326	XSetWindowBackground (target->dpy, target->scrollBar.win, target->pix_colors[Color_border]);
1327	}
1328
1329	/* don't want Expose on the parent or vt. It is better to use
1330	scr_touch or we get a great deal of flicker otherwise: */
1331	XClearWindow (target->dpy, target->parent[0]);
1332
1333	if (target->scrollBar.state && target->scrollBar.win)
1334	{
1335	target->scrollBar.state = STATE_IDLE;
1336	target->scrollBar.show (0);
1337	}
1338
1339	target->want_refresh = 1;
1340	flags |= hasChanged;
1341	}	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
1342	}	1413	}
1343		1414
1344	#endif /* HAVE_BG_PIXMAP */	1415	#endif /* HAVE_BG_PIXMAP */
1345		1416
1346	#if defined(ENABLE_TRANSPARENCY) && !defined(HAVE_AFTERIMAGE) && !XFT	1417	#if defined(ENABLE_TRANSPARENCY) && !defined(HAVE_AFTERIMAGE)
1347	/* taken from aterm-0.4.2 */	1418	/* taken from aterm-0.4.2 */
1348		1419
1349	typedef uint32_t RUINT32T;
1350
1351	static void	1420	static void
1352	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)
1353	{	1422	{
1354	int sh_r, sh_g, sh_b;	1423	int sh_r, sh_g, sh_b;
1355	RUINT32T mask_r, mask_g, mask_b;	1424	uint32_t mask_r, mask_g, mask_b;
1356	RUINT32T *lookup, *lookup_r, *lookup_g, *lookup_b;	1425	uint32_t *lookup, *lookup_r, *lookup_g, *lookup_b;
1357	unsigned int lower_lim_r, lower_lim_g, lower_lim_b;	1426	rgba low;
1358	unsigned int upper_lim_r, upper_lim_g, upper_lim_b;	1427	rgba high;
1359	int i;	1428	int i;
		1429	int host_byte_order = ecb_big_endian () ? MSBFirst : LSBFirst;
1360		1430
1361	Visual *visual = term->visual;
1362
1363	if (visual->c_class != TrueColor || srcImage->format != ZPixmap) return ;	1431	if (visual->c_class != TrueColor || ximage->format != ZPixmap) return;
1364
1365	if (shade == 0)
1366	shade = 100;
1367		1432
1368	/* for convenience */	1433	/* for convenience */
1369	mask_r = visual->red_mask;	1434	mask_r = visual->red_mask;
1370	mask_g = visual->green_mask;	1435	mask_g = visual->green_mask;
1371	mask_b = visual->blue_mask;	1436	mask_b = visual->blue_mask;
1372		1437
1373	/* boring lookup table pre-initialization */	1438	/* boring lookup table pre-initialization */
1374	switch (srcImage->bits_per_pixel) {	1439	switch (ximage->depth)
		1440	{
1375	case 15:	1441	case 15:
1376	if ((mask_r != 0x7c00) ||	1442	if ((mask_r != 0x7c00) ||
1377	(mask_g != 0x03e0) ||	1443	(mask_g != 0x03e0) ||
1378	(mask_b != 0x001f))	1444	(mask_b != 0x001f))
1379	return;	1445	return;
1380	lookup = (RUINT32T *) malloc (sizeof (RUINT32T)*(32+32+32));	1446	lookup = (uint32_t *) malloc (sizeof (uint32_t)*(32+32+32));
1381	lookup_r = lookup;	1447	lookup_r = lookup;
1382	lookup_g = lookup+32;	1448	lookup_g = lookup+32;
1383	lookup_b = lookup+32+32;	1449	lookup_b = lookup+32+32;
1384	sh_r = 10;	1450	sh_r = 10;
1385	sh_g = 5;	1451	sh_g = 5;
1386	sh_b = 0;	1452	sh_b = 0;
1387	break;	1453	break;
1388	case 16:	1454	case 16:
1389	if ((mask_r != 0xf800) ||	1455	if ((mask_r != 0xf800) ||
1390	(mask_g != 0x07e0) ||	1456	(mask_g != 0x07e0) ||
1391	(mask_b != 0x001f))	1457	(mask_b != 0x001f))
1392	return;	1458	return;
1393	lookup = (RUINT32T *) malloc (sizeof (RUINT32T)*(32+64+32));	1459	lookup = (uint32_t *) malloc (sizeof (uint32_t)*(32+64+32));
1394	lookup_r = lookup;	1460	lookup_r = lookup;
1395	lookup_g = lookup+32;	1461	lookup_g = lookup+32;
1396	lookup_b = lookup+32+64;	1462	lookup_b = lookup+32+64;
1397	sh_r = 11;	1463	sh_r = 11;
1398	sh_g = 5;	1464	sh_g = 5;
1399	sh_b = 0;	1465	sh_b = 0;
1400	break;	1466	break;
1401	case 24:	1467	case 24:
1402	if ((mask_r != 0xff0000) ||	1468	if ((mask_r != 0xff0000) ||
1403	(mask_g != 0x00ff00) ||	1469	(mask_g != 0x00ff00) ||
1404	(mask_b != 0x0000ff))	1470	(mask_b != 0x0000ff))
1405	return;	1471	return;
1406	lookup = (RUINT32T *) malloc (sizeof (RUINT32T)*(256+256+256));	1472	lookup = (uint32_t *) malloc (sizeof (uint32_t)*(256+256+256));
1407	lookup_r = lookup;	1473	lookup_r = lookup;
1408	lookup_g = lookup+256;	1474	lookup_g = lookup+256;
1409	lookup_b = lookup+256+256;	1475	lookup_b = lookup+256+256;
1410	sh_r = 16;	1476	sh_r = 16;
1411	sh_g = 8;	1477	sh_g = 8;
1412	sh_b = 0;	1478	sh_b = 0;
1413	break;	1479	break;
1414	case 32:	1480	case 32:
1415	if ((mask_r != 0xff0000) ||	1481	if ((mask_r != 0xff0000) ||
1416	(mask_g != 0x00ff00) ||	1482	(mask_g != 0x00ff00) ||
1417	(mask_b != 0x0000ff))	1483	(mask_b != 0x0000ff))
1418	return;	1484	return;
1419	lookup = (RUINT32T *) malloc (sizeof (RUINT32T)*(256+256+256));	1485	lookup = (uint32_t *) malloc (sizeof (uint32_t)*(256+256+256));
1420	lookup_r = lookup;	1486	lookup_r = lookup;
1421	lookup_g = lookup+256;	1487	lookup_g = lookup+256;
1422	lookup_b = lookup+256+256;	1488	lookup_b = lookup+256+256;
1423	sh_r = 16;	1489	sh_r = 16;
1424	sh_g = 8;	1490	sh_g = 8;
1425	sh_b = 0;	1491	sh_b = 0;
1426	break;	1492	break;
1427	default:	1493	default:
1428	return; /* we do not support this color depth */	1494	return; /* we do not support this color depth */
1429	}	1495	}
1430		1496
1431	/* prepare limits for color transformation (each channel is handled separately) */	1497	/* prepare limits for color transformation (each channel is handled separately) */
1432	if (shade < 0) {	1498	if (shade > 100)
		1499	{
1433	shade = -shade;	1500	shade = 200 - shade;
1434	if (shade < 0) shade = 0;
1435	if (shade > 100) shade = 100;
1436		1501
1437	lower_lim_r = 65535-rm;	1502	high.r = c.r * shade / 100;
1438	lower_lim_g = 65535-gm;	1503	high.g = c.g * shade / 100;
1439	lower_lim_b = 65535-bm;	1504	high.b = c.b * shade / 100;
1440		1505
1441	lower_lim_r = 65535-(unsigned int)(((RUINT32T)lower_lim_r)*((RUINT32T)shade)/100);	1506	low.r = 65535 * (100 - shade) / 100;
1442	lower_lim_g = 65535-(unsigned int)(((RUINT32T)lower_lim_g)*((RUINT32T)shade)/100);	1507	low.g = 65535 * (100 - shade) / 100;
1443	lower_lim_b = 65535-(unsigned int)(((RUINT32T)lower_lim_b)*((RUINT32T)shade)/100);	1508	low.b = 65535 * (100 - shade) / 100;
1444
1445	upper_lim_r = upper_lim_g = upper_lim_b = 65535;
1446	} else {
1447	if (shade < 0) shade = 0;
1448	if (shade > 100) shade = 100;
1449
1450	lower_lim_r = lower_lim_g = lower_lim_b = 0;
1451
1452	upper_lim_r = (unsigned int)((((RUINT32T)rm)*((RUINT32T)shade))/100);
1453	upper_lim_g = (unsigned int)((((RUINT32T)gm)*((RUINT32T)shade))/100);
1454	upper_lim_b = (unsigned int)((((RUINT32T)bm)*((RUINT32T)shade))/100);
1455	}	1509	}
1456		1510	else
1457	/* switch red and blue bytes if necessary, we need it for some weird XServers like XFree86 3.3.3.1 */
1458	if ((srcImage->bits_per_pixel == 24) && (mask_r >= 0xFF0000 ))
1459	{	1511	{
1460	unsigned int tmp;	1512	high.r = c.r * shade / 100;
		1513	high.g = c.g * shade / 100;
		1514	high.b = c.b * shade / 100;
1461		1515
1462	tmp = lower_lim_r;	1516	low.r = low.g = low.b = 0;
1463	lower_lim_r = lower_lim_b;
1464	lower_lim_b = tmp;
1465
1466	tmp = upper_lim_r;
1467	upper_lim_r = upper_lim_b;
1468	upper_lim_b = tmp;
1469	}	1517	}
1470		1518
1471	/* fill our lookup tables */	1519	/* fill our lookup tables */
1472	for (i = 0; i <= mask_r>>sh_r; i++)	1520	for (i = 0; i <= mask_r>>sh_r; i++)
1473	{	1521	{
1474	RUINT32T tmp;	1522	uint32_t tmp;
1475	tmp = ((RUINT32T)i)*((RUINT32T)(upper_lim_r-lower_lim_r));	1523	tmp = i * high.r;
1476	tmp += ((RUINT32T)(mask_r>>sh_r))*((RUINT32T)lower_lim_r);	1524	tmp += (mask_r>>sh_r) * low.r;
1477	lookup_r[i] = (tmp/65535)<<sh_r;	1525	lookup_r[i] = (tmp/65535)<<sh_r;
1478	}	1526	}
1479	for (i = 0; i <= mask_g>>sh_g; i++)	1527	for (i = 0; i <= mask_g>>sh_g; i++)
1480	{	1528	{
1481	RUINT32T tmp;	1529	uint32_t tmp;
1482	tmp = ((RUINT32T)i)*((RUINT32T)(upper_lim_g-lower_lim_g));	1530	tmp = i * high.g;
1483	tmp += ((RUINT32T)(mask_g>>sh_g))*((RUINT32T)lower_lim_g);	1531	tmp += (mask_g>>sh_g) * low.g;
1484	lookup_g[i] = (tmp/65535)<<sh_g;	1532	lookup_g[i] = (tmp/65535)<<sh_g;
1485	}	1533	}
1486	for (i = 0; i <= mask_b>>sh_b; i++)	1534	for (i = 0; i <= mask_b>>sh_b; i++)
1487	{	1535	{
1488	RUINT32T tmp;	1536	uint32_t tmp;
1489	tmp = ((RUINT32T)i)*((RUINT32T)(upper_lim_b-lower_lim_b));	1537	tmp = i * high.b;
1490	tmp += ((RUINT32T)(mask_b>>sh_b))*((RUINT32T)lower_lim_b);	1538	tmp += (mask_b>>sh_b) * low.b;
1491	lookup_b[i] = (tmp/65535)<<sh_b;	1539	lookup_b[i] = (tmp/65535)<<sh_b;
1492	}	1540	}
1493		1541
1494	/* apply table to input image (replacing colors by newly calculated ones) */	1542	/* apply table to input image (replacing colors by newly calculated ones) */
1495	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)
1496	{	1546	{
1497	case 15:
1498	{
1499	unsigned short *p1, *pf, *p, *pl;	1547	uint32_t *p1, *pf, *p, *pl;
1500	p1 = (unsigned short *) srcImage->data;	1548	p1 = (uint32_t *) ximage->data;
1501	pf = (unsigned short *) (srcImage->data + srcImage->height * srcImage->bytes_per_line);	1549	pf = (uint32_t *) (ximage->data + ximage->height * ximage->bytes_per_line);
		1550
1502	while (p1 < pf)	1551	while (p1 < pf)
1503	{	1552	{
1504	p = p1;	1553	p = p1;
1505	pl = p1 + srcImage->width;	1554	pl = p1 + ximage->width;
1506	for (; p < pl; p++)	1555	for (; p < pl; p++)
1507	{	1556	{
1508	*p = lookup_r[(*p & 0x7c00)>>10] |
1509	lookup_g[(*p & 0x03e0)>> 5] |
1510	lookup_b[(*p & 0x001f)];
1511	}
1512	p1 = (unsigned short *) ((char *) p1 + srcImage->bytes_per_line);
1513	}
1514	break;
1515	}
1516	case 16:
1517	{
1518	unsigned short *p1, *pf, *p, *pl;
1519	p1 = (unsigned short *) srcImage->data;
1520	pf = (unsigned short *) (srcImage->data + srcImage->height * srcImage->bytes_per_line);
1521	while (p1 < pf)
1522	{
1523	p = p1;
1524	pl = p1 + srcImage->width;
1525	for (; p < pl; p++)
1526	{
1527	*p = lookup_r[(*p & 0xf800)>>11] |
1528	lookup_g[(*p & 0x07e0)>> 5] |
1529	lookup_b[(*p & 0x001f)];
1530	}
1531	p1 = (unsigned short *) ((char *) p1 + srcImage->bytes_per_line);
1532	}
1533	break;
1534	}
1535	case 24:
1536	{
1537	unsigned char *p1, *pf, *p, *pl;
1538	p1 = (unsigned char *) srcImage->data;
1539	pf = (unsigned char *) (srcImage->data + srcImage->height * srcImage->bytes_per_line);
1540	while (p1 < pf)
1541	{
1542	p = p1;
1543	pl = p1 + srcImage->width * 3;
1544	for (; p < pl; p += 3)
1545	{
1546	p[0] = lookup_r[(p[0] & 0xff0000)>>16];
1547	p[1] = lookup_r[(p[1] & 0x00ff00)>> 8];
1548	p[2] = lookup_r[(p[2] & 0x0000ff)];
1549	}
1550	p1 = (unsigned char *) ((char *) p1 + srcImage->bytes_per_line);
1551	}
1552	break;
1553	}
1554	case 32:
1555	{
1556	RUINT32T *p1, *pf, *p, *pl;
1557	p1 = (RUINT32T *) srcImage->data;
1558	pf = (RUINT32T *) (srcImage->data + srcImage->height * srcImage->bytes_per_line);
1559
1560	while (p1 < pf)
1561	{
1562	p = p1;
1563	pl = p1 + srcImage->width;
1564	for (; p < pl; p++)
1565	{
1566	*p = lookup_r[(*p & 0xff0000)>>16] |	1557	*p = lookup_r[(*p & 0xff0000) >> 16] |
1567	lookup_g[(*p & 0x00ff00)>> 8] |	1558	lookup_g[(*p & 0x00ff00) >> 8] |
1568	lookup_b[(*p & 0x0000ff)] |	1559	lookup_b[(*p & 0x0000ff)] |
1569	(*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);
1570	}	1575	}
1571	p1 = (RUINT32T *) ((char *) p1 + srcImage->bytes_per_line);
1572	}	1576	}
1573	break;
1574	}
1575	}
1576		1577
1577	free (lookup);	1578	free (lookup);
1578	}	1579	}
1579	#endif /* defined(ENABLE_TRANSPARENCY) && !defined(HAVE_AFTERIMAGE) */	1580	#endif /* defined(ENABLE_TRANSPARENCY) && !defined(HAVE_AFTERIMAGE) */

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