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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 1.158 by sf-exg, Wed Aug 10 07:28:36 2011 UTC

1	/*----------------------------------------------------------------------*	1	/*----------------------------------------------------------------------*
2	* File: background.C - former xpm.C	2	* File: background.C - former xpm.C
3	*----------------------------------------------------------------------*	3	*----------------------------------------------------------------------*
4	*	4	*
5	* All portions of code are copyright by their respective author/s.	5	* All portions of code are copyright by their respective author/s.
6	* Copyright (c) 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];	230
287	else if (str[0] != 'x' && str[0] != 'X' && isalpha(str[0]))	231	if (str[0])
288	ops = &str[0];	232	{
289	else	233	/* we have geometry string - let's handle it prior to applying ops */
		234	geom_flags = XParseGeometry (str, &x, &y, &w, &h);
		235	} /* done parsing geometry string */
		236
		237	if (!update)
		238	{
		239	if (!(geom_flags & XValue))
		240	x = y = defaultAlign;
		241	else if (!(geom_flags & YValue))
		242	y = x;
		243
		244	if (!(geom_flags & (WidthValue|HeightValue)))
		245	w = h = defaultScale;
		246	else if (!(geom_flags & HeightValue))
		247	h = w;
		248	else if (!(geom_flags & WidthValue))
		249	w = h;
		250
		251	geom_flags |= WidthValue|HeightValue|XValue|YValue;
		252	}
		253
		254	if (ops)
		255	{
		256	char **arr = rxvt_strsplit (':', ops + 1);
		257
		258	for (int i = 0; arr[i]; i++)
290	{	259	{
291	char *tmp;	260	if (!strcasecmp (arr[i], "tile"))
292	ops = strchr (str, ':');
293	if (ops != NULL)
294	{	261	{
295	for (tmp = ops-1; tmp >= str && isspace(*tmp); --tmp);	262	new_flags |= BG_TILE;
296	*(++tmp) = '\0';	263	w = h = noScale;
297	if (ops == tmp) ++ops;	264	geom_flags |= WidthValue|HeightValue;
298	}	265	}
299	}	266	else if (!strcasecmp (arr[i], "propscale"))
300
301	if (ops > str || ops == NULL)
302	{
303	/* we have geometry string - let's handle it prior to applying ops */
304	geom_flags = XParseGeometry (str, &x, &y, &w, &h);
305
306	if ((geom_flags & XValue) && !(geom_flags & YValue))
307	{	267	{
308	y = x;	268	new_flags |= BG_PROP_SCALE;
309	geom_flags |= YValue;
310	}	269	}
311		270	else if (!strcasecmp (arr[i], "scale"))
312	if (flags & geometrySet)
313	{	271	{
314	/* new geometry is an adjustment to the old one ! */	272	if (h == 0) h = windowScale;
		273	if (w == 0) w = windowScale;
		274
315	if ((geom_flags & WidthValue) && (geom_flags & HeightValue))	275	geom_flags |= WidthValue|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	}	276	}
337	else /* setting up geometry from scratch */	277	else if (!strcasecmp (arr[i], "root"))
338	{	278	{
339	if (!(geom_flags & XValue))	279	new_flags |= BG_TILE|BG_ROOT_ALIGN;
340	{	280	w = h = noScale;
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)	281	geom_flags |= WidthValue|HeightValue;
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	}	282	}
360	} /* done parsing geometry string */
361	else if (!(flags & geometrySet))
362	{
363	/* default geometry - scaled and centered */
364	x = y = defaultAlign;
365	w = h = defaultScale;
366	}
367
368	if (!(flags & geometrySet))
369	geom_flags |= WidthValue|HeightValue|XValue|YValue;
370
371	if (ops)
372	{
373	while (*ops)
374	{
375	while (*ops == ':' || isspace(*ops)) ++ops;
376
377	# define CHECK_GEOM_OPS(op_str) (strncasecmp (ops, (op_str), sizeof (op_str) - 1) == 0)
378	if (CHECK_GEOM_OPS ("tile"))
379	{
380	w = h = noScale;
381	geom_flags |= WidthValue|HeightValue;
382	}
383	else if (CHECK_GEOM_OPS ("propscale"))
384	{
385	if (w == 0 && h == 0)
386	{
387	w = windowScale;
388	geom_flags |= WidthValue;
389	}
390	new_flags |= propScale;
391	}
392	else if (CHECK_GEOM_OPS ("hscale"))
393	{
394	if (w == 0) w = windowScale;
395
396	h = noScale;
397	geom_flags |= WidthValue|HeightValue;
398	}
399	else if (CHECK_GEOM_OPS ("vscale"))
400	{
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;
416	x = y = centerAlign;
417	geom_flags |= WidthValue|HeightValue|XValue|YValue;
418	}
419	else if (CHECK_GEOM_OPS ("root"))
420	{
421	w = h = noScale;
422	x = y = rootAlign;
423	geom_flags |= WidthValue|HeightValue|XValue|YValue;
424	}
425	# undef CHECK_GEOM_OPS
426
427	while (*ops != ':' && *ops != '\0') ++ops;
428	} /* done parsing ops */	283	} /* done parsing ops */
429	}
430		284
		285	rxvt_free_strsplit (arr);
		286	}
		287
431	if (check_set_scale_value (geom_flags, WidthValue, h_scale, w)) ++changed;	288	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;	289	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;	290	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;	291	if (check_set_align_value (geom_flags, YValue, v_align, y)) changed = true;
435	}
436		292
437	if (new_flags != flags)	293	if (new_flags != bg_flags)
438	{	294	{
439	flags = new_flags;	295	bg_flags = new_flags;
440	changed++;	296	changed = true;
441	}	297	}
442		298
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);	299	return changed;
		300	}
		301
		302	void
		303	rxvt_term::get_image_geometry (int image_width, int image_height, int &w, int &h, int &x, int &y)
		304	{
		305	int target_width = szHint.width;
		306	int target_height = szHint.height;
		307
		308	if (bg_flags & BG_PROP_SCALE)
		309	{
		310	float scale = (float)target_width / image_width;
		311	min_it (scale, (float)target_height / image_height);
		312	w = image_width * scale + 0.5;
		313	h = image_height * scale + 0.5;
		314	}
		315	else
		316	{
		317	w = h_scale * target_width / 100;
		318	h = v_scale * target_height / 100;
		319	}
		320
		321	if (!w) w = image_width;
		322	if (!h) h = image_height;
		323
		324	if (bg_flags & BG_ROOT_ALIGN)
		325	{
		326	x = -target_x;
		327	y = -target_y;
		328	}
		329	else
		330	{
		331	x = make_align_position (h_align, target_width, w);
		332	y = make_align_position (v_align, target_height, h);
		333	}
		334
		335	bg_flags &= ~BG_IS_SIZE_SENSITIVE;
		336	if (!(bg_flags & BG_TILE)
		337	|| (bg_flags & BG_PROP_SCALE) || h_scale || v_scale
		338	|| (!(bg_flags & BG_ROOT_ALIGN) && (h_align || v_align))
		339	|| w > target_width || h > target_height)
		340	bg_flags |= BG_IS_SIZE_SENSITIVE;
446	}	341	}
447		342
448	# ifdef HAVE_AFTERIMAGE	343	# ifdef HAVE_AFTERIMAGE
449	bool	344	bool
450	bgPixmap_t::render_image (unsigned long background_flags)	345	rxvt_term::render_image (unsigned long tr_flags)
451	{	346	{
452	if (target == NULL)
453	return false;
454
455	target->init_asv ();	347	init_asv ();
456		348
457	ASImage *background = NULL;	349	ASImage *background = NULL;
458	ARGB32 background_tint = TINT_LEAVE_SAME;	350	ARGB32 background_tint = TINT_LEAVE_SAME;
459		351
460	# ifdef ENABLE_TRANSPARENCY	352	# ifdef ENABLE_TRANSPARENCY
461	if (background_flags)	353	if (tr_flags)
462	background = pixmap2ximage (target->asv, pixmap, 0, 0, pmap_width, pmap_height, AllPlanes, 100);	354	background = pixmap2ximage (asv, bg_pixmap, 0, 0, bg_pmap_width, bg_pmap_height, AllPlanes, 100);
463		355
464	if (!(background_flags & transpPmapTinted) && (flags & tintNeeded))	356	if (tr_flags & BG_NEEDS_TINT)
465	{	357	{
466	ShadingInfo as_shade;	358	ShadingInfo as_shade;
467	as_shade.shading = (shade == 0) ? 100 : shade;	359	as_shade.shading = shade;
468		360
469	rgba c (rgba::MAX_CC,rgba::MAX_CC,rgba::MAX_CC);	361	rgba c (rgba::MAX_CC,rgba::MAX_CC,rgba::MAX_CC);
470	if (flags & tintSet)	362	if (bg_flags & BG_TINT_SET)
471	tint.get (c);	363	tint.get (c);
472	as_shade.tintColor.red = c.r;	364	as_shade.tintColor.red = c.r;
473	as_shade.tintColor.green = c.g;	365	as_shade.tintColor.green = c.g;
474	as_shade.tintColor.blue = c.b;	366	as_shade.tintColor.blue = c.b;
475		367
476	background_tint = shading2tint32 (&as_shade);	368	background_tint = shading2tint32 (&as_shade);
477	}	369	}
478		370
479	if (!(background_flags & transpPmapBlured) && (flags & blurNeeded) && background != NULL)	371	if ((tr_flags & BG_NEEDS_BLUR) && background != NULL)
480	{	372	{
481	ASImage *tmp = blur_asimage_gauss (target->asv, background, h_blurRadius, v_blurRadius, 0xFFFFFFFF,	373	ASImage *tmp = blur_asimage_gauss (asv, background, h_blurRadius, v_blurRadius, 0xFFFFFFFF,
482	(original_asim == NULL || tint == TINT_LEAVE_SAME) ? ASA_XImage : ASA_ASImage,	374	(original_asim == NULL || tint == TINT_LEAVE_SAME) ? ASA_XImage : ASA_ASImage,
483	100, ASIMAGE_QUALITY_DEFAULT);	375	100, ASIMAGE_QUALITY_DEFAULT);
484	if (tmp)	376	if (tmp)
485	{	377	{
486	destroy_asimage (&background);	378	destroy_asimage (&background);
…		…
489	}	381	}
490	# endif	382	# endif
491		383
492	ASImage *result = 0;	384	ASImage *result = 0;
493		385
494	int target_width = target->szHint.width;	386	int target_width = szHint.width;
495	int target_height = target->szHint.height;	387	int target_height = szHint.height;
496	int new_pmap_width = target_width;	388	int new_pmap_width = target_width;
497	int new_pmap_height = target_height;	389	int new_pmap_height = target_height;
498		390
499	int x = 0;	391	int x = 0;
500	int y = 0;	392	int y = 0;
501	int w = h_scale * target_width / 100;	393	int w = 0;
502	int h = v_scale * target_height / 100;	394	int h = 0;
503
504	TIMING_TEST_START (asim);
505		395
506	if (original_asim)	396	if (original_asim)
507	{	397	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		398
522	if (!original_asim	399	if (!original_asim
		400	|| (!(bg_flags & BG_ROOT_ALIGN)
523	|| x >= target_width	401	&& (x >= target_width
524	|| y >= target_height	402	|| y >= target_height
525	|| (w > 0 && x + w <= 0)	403	|| (x + w <= 0)
526	|| (h > 0 && y + h <= 0))	404	|| (y + h <= 0))))
527	{	405	{
528	if (background)	406	if (background)
529	{	407	{
530	new_pmap_width = background->width;	408	new_pmap_width = background->width;
531	new_pmap_height = background->height;	409	new_pmap_height = background->height;
532	result = background;	410	result = background;
533		411
534	if (background_tint != TINT_LEAVE_SAME)	412	if (background_tint != TINT_LEAVE_SAME)
535	{	413	{
536	ASImage *tmp = tile_asimage (target->asv, background, 0, 0,	414	ASImage *tmp = tile_asimage (asv, background, 0, 0,
537	target_width, target_height, background_tint,	415	target_width, target_height, background_tint,
538	ASA_XImage, 100, ASIMAGE_QUALITY_DEFAULT);	416	ASA_XImage, 100, ASIMAGE_QUALITY_DEFAULT);
539	if (tmp)	417	if (tmp)
540	result = tmp;	418	result = tmp;
541	}	419	}
…		…
545	}	423	}
546	else	424	else
547	{	425	{
548	result = original_asim;	426	result = original_asim;
549		427
550	if ((w > 0 && w != original_asim->width)	428	if ((w != original_asim->width)
551	|| (h > 0 && h != original_asim->height))	429	|| (h != original_asim->height))
552	{	430	{
553	result = scale_asimage (target->asv, original_asim,	431	result = scale_asimage (asv, original_asim,
554	w > 0 ? w : original_asim->width,	432	w, h,
555	h > 0 ? h : original_asim->height,
556	background ? ASA_ASImage : ASA_XImage,	433	background ? ASA_ASImage : ASA_XImage,
557	100, ASIMAGE_QUALITY_DEFAULT);	434	100, ASIMAGE_QUALITY_DEFAULT);
558	}	435	}
559		436
560	if (background == NULL)	437	if (background == NULL)
561	{	438	{
562	/* if tiling - pixmap has to be sized exactly as the image,	439	if (bg_flags & BG_TILE)
563	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);
566	if (v_scale == 0)
567	new_pmap_height = min (result->height, target_height);
568	/* we also need to tile our image in one or both directions */
569	if (h_scale == 0 || v_scale == 0)
570	{	440	{
		441	/* if tiling - pixmap has to be sized exactly as the image,
		442	but there is no need to make it bigger than the window! */
		443	new_pmap_width = min (result->width, target_width);
		444	new_pmap_height = min (result->height, target_height);
		445
		446	/* we also need to tile our image in both directions */
571	ASImage *tmp = tile_asimage (target->asv, result,	447	ASImage *tmp = tile_asimage (asv, result,
572	(h_scale > 0) ? 0 : (int)result->width - x,	448	(int)result->width - x,
573	(v_scale > 0) ? 0 : (int)result->height - y,	449	(int)result->height - y,
574	new_pmap_width,	450	new_pmap_width,
575	new_pmap_height,	451	new_pmap_height,
576	TINT_LEAVE_SAME, ASA_XImage,	452	TINT_LEAVE_SAME, ASA_XImage,
577	100, ASIMAGE_QUALITY_DEFAULT);	453	100, ASIMAGE_QUALITY_DEFAULT);
578	if (tmp)	454	if (tmp)
…		…
593	layers[0].clip_width = target_width;	469	layers[0].clip_width = target_width;
594	layers[0].clip_height = target_height;	470	layers[0].clip_height = target_height;
595	layers[0].tint = background_tint;	471	layers[0].tint = background_tint;
596	layers[1].im = result;	472	layers[1].im = result;
597		473
598	if (w <= 0)	474	if (bg_flags & BG_TILE)
599	{	475	{
600	/* tile horizontally */	476	/* tile horizontally */
601	while (x > 0) x -= (int)result->width;	477	while (x > 0) x -= (int)result->width;
602	layers[1].dst_x = x;	478	layers[1].dst_x = x;
603	layers[1].clip_width = result->width+target_width;	479	layers[1].clip_width = result->width+target_width;
…		…
607	/* clip horizontally */	483	/* clip horizontally */
608	layers[1].dst_x = x;	484	layers[1].dst_x = x;
609	layers[1].clip_width = result->width;	485	layers[1].clip_width = result->width;
610	}	486	}
611		487
612	if (h <= 0)	488	if (bg_flags & BG_TILE)
613	{	489	{
614	while (y > 0) y -= (int)result->height;	490	while (y > 0) y -= (int)result->height;
615	layers[1].dst_y = y;	491	layers[1].dst_y = y;
616	layers[1].clip_height = result->height + target_height;	492	layers[1].clip_height = result->height + target_height;
617	}	493	}
…		…
619	{	495	{
620	layers[1].dst_y = y;	496	layers[1].dst_y = y;
621	layers[1].clip_height = result->height;	497	layers[1].clip_height = result->height;
622	}	498	}
623		499
624	if (target->rs[Rs_blendtype])	500	if (rs[Rs_blendtype])
625	{	501	{
626	layers[1].merge_scanlines = blend_scanlines_name2func (target->rs[Rs_blendtype]);	502	layers[1].merge_scanlines = blend_scanlines_name2func (rs[Rs_blendtype]);
627	if (layers[1].merge_scanlines == NULL)	503	if (layers[1].merge_scanlines == NULL)
628	layers[1].merge_scanlines = alphablend_scanlines;	504	layers[1].merge_scanlines = alphablend_scanlines;
629	}	505	}
630		506
631	ASImage *tmp = merge_layers (target->asv, layers, 2, target_width, target_height,	507	ASImage *tmp = merge_layers (asv, layers, 2, target_width, target_height,
632	ASA_XImage, 0, ASIMAGE_QUALITY_DEFAULT);	508	ASA_XImage, 0, ASIMAGE_QUALITY_DEFAULT);
633		509
634	if (tmp)	510	if (tmp)
635	{	511	{
636	if (result != original_asim)	512	if (result != original_asim)
…		…
640	}	516	}
641		517
642	free (layers);	518	free (layers);
643	}	519	}
644	}	520	}
645	TIMING_TEST_PRINT_RESULT (asim);
646		521
647	bool ret = false;	522	bool ret = false;
648		523
649	if (result)	524	if (result)
650	{	525	{
651	XGCValues gcv;	526	XGCValues gcv;
652	GC gc;	527	GC gc;
653		528
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 */	529	/* create Pixmap */
666	if (pixmap == None)	530	if (bg_pixmap == None
		531	|| bg_pmap_width != new_pmap_width
		532	|| bg_pmap_height != new_pmap_height)
667	{	533	{
		534	if (bg_pixmap)
		535	XFreePixmap (dpy, bg_pixmap);
668	pixmap = XCreatePixmap (target->dpy, target->vt, new_pmap_width, new_pmap_height, target->depth);	536	bg_pixmap = XCreatePixmap (dpy, vt, new_pmap_width, new_pmap_height, depth);
669	pmap_width = new_pmap_width;	537	bg_pmap_width = new_pmap_width;
670	pmap_height = new_pmap_height;	538	bg_pmap_height = new_pmap_height;
671	pmap_depth = target->depth;
672	}	539	}
673	/* fill with background color (if result's not completely overlapping it) */	540	/* fill with background color (if result's not completely overlapping it) */
674	gcv.foreground = target->pix_colors[Color_bg];	541	gcv.foreground = pix_colors[Color_bg];
675	gc = XCreateGC (target->dpy, target->vt, GCForeground, &gcv);	542	gc = XCreateGC (dpy, vt, GCForeground, &gcv);
676		543
677	int src_x = 0, src_y = 0, dst_x = 0, dst_y = 0;	544	int src_x = 0, src_y = 0, dst_x = 0, dst_y = 0;
678	int dst_width = result->width, dst_height = result->height;	545	int dst_width = result->width, dst_height = result->height;
679	if (background == NULL)	546	if (background == NULL)
680	{	547	{
		548	if (!(bg_flags & BG_TILE))
		549	{
681	if (h_scale > 0) src_x = make_clip_rectangle (x, result->width , new_pmap_width , dst_x, dst_width );	550	src_x = make_clip_rectangle (x, result->width , new_pmap_width , dst_x, dst_width );
682	if (v_scale > 0) src_y = make_clip_rectangle (y, result->height, new_pmap_height, dst_y, dst_height);	551	src_y = make_clip_rectangle (y, result->height, new_pmap_height, dst_y, dst_height);
		552	}
683		553
684	if (dst_x > 0 || dst_y > 0	554	if (dst_x > 0 || dst_y > 0
685	|| dst_x + dst_width < new_pmap_width	555	|| dst_x + dst_width < new_pmap_width
686	|| dst_y + dst_height < new_pmap_height)	556	|| dst_y + dst_height < new_pmap_height)
687	XFillRectangle (target->dpy, pixmap, gc, 0, 0, new_pmap_width, new_pmap_height);	557	XFillRectangle (dpy, bg_pixmap, gc, 0, 0, new_pmap_width, new_pmap_height);
688	}	558	}
689		559
690	/* put result on pixmap */	560	/* put result on pixmap */
691	if (dst_x < new_pmap_width && dst_y < new_pmap_height)	561	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);	562	asimage2drawable (asv, bg_pixmap, result, gc, src_x, src_y, dst_x, dst_y, dst_width, dst_height, True);
693		563
694	if (result != background && result != original_asim)	564	if (result != background && result != original_asim)
695	destroy_asimage (&result);	565	destroy_asimage (&result);
696		566
697	XFreeGC (target->dpy, gc);	567	XFreeGC (dpy, gc);
698	TIMING_TEST_PRINT_RESULT (asim);
699		568
700	ret = true;	569	ret = true;
701	}	570	}
702		571
703	if (background)	572	if (background)
…		…
705		574
706	return ret;	575	return ret;
707	}	576	}
708	# endif /* HAVE_AFTERIMAGE */	577	# endif /* HAVE_AFTERIMAGE */
709		578
		579	# ifdef HAVE_PIXBUF
710	bool	580	bool
711	bgPixmap_t::set_file (const char *file)	581	rxvt_term::pixbuf_to_pixmap (GdkPixbuf *pixbuf, Pixmap pixmap, GC gc,
		582	int src_x, int src_y, int dst_x, int dst_y,
		583	unsigned int width, unsigned int height)
712	{	584	{
713	assert (file);	585	XImage *ximage;
		586	char *data, *line;
		587	int bytes_per_pixel;
		588	int width_r, width_g, width_b;
		589	int sh_r, sh_g, sh_b;
		590	int rowstride;
		591	int channels;
		592	unsigned char *row;
714		593
715	if (*file)	594	if (visual->c_class != TrueColor)
		595	return false;
		596
		597	if (depth == 24 || depth == 32)
		598	bytes_per_pixel = 4;
		599	else if (depth == 15 || depth == 16)
		600	bytes_per_pixel = 2;
		601	else
		602	return false;
		603
		604	width_r = ecb_popcount32 (visual->red_mask);
		605	width_g = ecb_popcount32 (visual->green_mask);
		606	width_b = ecb_popcount32 (visual->blue_mask);
		607
		608	if (width_r > 8 || width_g > 8 || width_b > 8)
		609	return false;
		610
		611	sh_r = ecb_ctz32 (visual->red_mask);
		612	sh_g = ecb_ctz32 (visual->green_mask);
		613	sh_b = ecb_ctz32 (visual->blue_mask);
		614
		615	if (width > INT_MAX / height / bytes_per_pixel)
		616	return false;
		617
		618	data = (char *)malloc (width * height * bytes_per_pixel);
		619	if (!data)
		620	return false;
		621
		622	ximage = XCreateImage (dpy, visual, depth, ZPixmap, 0, data,
		623	width, height, bytes_per_pixel * 8, 0);
		624	if (!ximage)
		625	{
		626	free (data);
		627	return false;
716	{	628	}
		629
		630	ximage->byte_order = ecb_big_endian () ? MSBFirst : LSBFirst;
		631
		632	rowstride = gdk_pixbuf_get_rowstride (pixbuf);
		633	channels = gdk_pixbuf_get_n_channels (pixbuf);
		634	row = gdk_pixbuf_get_pixels (pixbuf) + src_y * rowstride + src_x * channels;
		635	line = data;
		636
		637	for (int y = 0; y < height; y++)
		638	{
		639	for (int x = 0; x < width; x++)
		640	{
		641	unsigned char *pixel = row + x * channels;
		642	uint32_t value;
		643
		644	value = ((pixel[0] >> (8 - width_r)) << sh_r)
		645	| ((pixel[1] >> (8 - width_g)) << sh_g)
		646	| ((pixel[2] >> (8 - width_b)) << sh_b);
		647
		648	if (bytes_per_pixel == 4)
		649	((uint32_t *)line)[x] = value;
		650	else
		651	((uint16_t *)line)[x] = value;
		652	}
		653
		654	row += rowstride;
		655	line += ximage->bytes_per_line;
		656	}
		657
		658	XPutImage (dpy, pixmap, gc, ximage, 0, 0, dst_x, dst_y, width, height);
		659	XDestroyImage (ximage);
		660	return true;
		661	}
		662
		663	bool
		664	rxvt_term::render_image (unsigned long tr_flags)
		665	{
		666	if (!pixbuf)
		667	return false;
		668
		669	if (tr_flags
		670	&& !(bg_flags & BG_HAS_RENDER))
		671	return false;
		672
		673	GdkPixbuf *result;
		674
		675	int image_width = gdk_pixbuf_get_width (pixbuf);
		676	int image_height = gdk_pixbuf_get_height (pixbuf);
		677
		678	int target_width = szHint.width;
		679	int target_height = szHint.height;
		680	int new_pmap_width = target_width;
		681	int new_pmap_height = target_height;
		682
		683	int x = 0;
		684	int y = 0;
		685	int w = 0;
		686	int h = 0;
		687
		688	get_image_geometry (image_width, image_height, w, h, x, y);
		689
		690	if (!(bg_flags & BG_ROOT_ALIGN)
		691	&& (x >= target_width
		692	|| y >= target_height
		693	|| (x + w <= 0)
		694	|| (y + h <= 0)))
		695	return false;
		696
		697	result = pixbuf;
		698
		699	if ((w != image_width)
		700	|| (h != image_height))
		701	{
		702	result = gdk_pixbuf_scale_simple (pixbuf,
		703	w, h,
		704	GDK_INTERP_BILINEAR);
		705	}
		706
		707	if (!result)
		708	return false;
		709
		710	bool ret = false;
		711
		712	XGCValues gcv;
		713	GC gc;
		714	Pixmap root_pmap;
		715
		716	image_width = gdk_pixbuf_get_width (result);
		717	image_height = gdk_pixbuf_get_height (result);
		718
		719	if (tr_flags)
		720	{
		721	root_pmap = bg_pixmap;
		722	bg_pixmap = None;
		723	}
		724	else
		725	{
		726	if (bg_flags & BG_TILE)
		727	{
		728	new_pmap_width = min (image_width, target_width);
		729	new_pmap_height = min (image_height, target_height);
		730	}
		731	}
		732
		733	if (bg_pixmap == None
		734	|| bg_pmap_width != new_pmap_width
		735	|| bg_pmap_height != new_pmap_height)
		736	{
		737	if (bg_pixmap)
		738	XFreePixmap (dpy, bg_pixmap);
		739	bg_pixmap = XCreatePixmap (dpy, vt, new_pmap_width, new_pmap_height, depth);
		740	bg_pmap_width = new_pmap_width;
		741	bg_pmap_height = new_pmap_height;
		742	}
		743
		744	gcv.foreground = pix_colors[Color_bg];
		745	gc = XCreateGC (dpy, vt, GCForeground, &gcv);
		746
		747	if (gc)
		748	{
		749	if (bg_flags & BG_TILE)
		750	{
		751	Pixmap tile = XCreatePixmap (dpy, vt, image_width, image_height, depth);
		752	pixbuf_to_pixmap (result, tile, gc,
		753	0, 0,
		754	0, 0,
		755	image_width, image_height);
		756
		757	gcv.tile = tile;
		758	gcv.fill_style = FillTiled;
		759	gcv.ts_x_origin = x;
		760	gcv.ts_y_origin = y;
		761	XChangeGC (dpy, gc, GCFillStyle | GCTile | GCTileStipXOrigin | GCTileStipYOrigin, &gcv);
		762
		763	XFillRectangle (dpy, bg_pixmap, gc, 0, 0, new_pmap_width, new_pmap_height);
		764	XFreePixmap (dpy, tile);
		765	}
		766	else
		767	{
		768	int src_x, src_y, dst_x, dst_y;
		769	int dst_width, dst_height;
		770
		771	src_x = make_clip_rectangle (x, image_width , new_pmap_width , dst_x, dst_width );
		772	src_y = make_clip_rectangle (y, image_height, new_pmap_height, dst_y, dst_height);
		773
		774	if (dst_x > 0 || dst_y > 0
		775	|| dst_x + dst_width < new_pmap_width
		776	|| dst_y + dst_height < new_pmap_height)
		777	XFillRectangle (dpy, bg_pixmap, gc, 0, 0, new_pmap_width, new_pmap_height);
		778
		779	if (dst_x < new_pmap_width && dst_y < new_pmap_height)
		780	pixbuf_to_pixmap (result, bg_pixmap, gc,
		781	src_x, src_y,
		782	dst_x, dst_y,
		783	dst_width, dst_height);
		784	}
		785
		786	#if XRENDER
		787	if (tr_flags)
		788	{
		789	XRenderPictureAttributes pa;
		790
		791	XRenderPictFormat *src_format = XRenderFindVisualFormat (dpy, visual);
		792	Picture src = XRenderCreatePicture (dpy, root_pmap, src_format, 0, &pa);
		793
		794	XRenderPictFormat *dst_format = XRenderFindVisualFormat (dpy, visual);
		795	Picture dst = XRenderCreatePicture (dpy, bg_pixmap, dst_format, 0, &pa);
		796
		797	pa.repeat = True;
		798	Pixmap mask_pmap = XCreatePixmap (dpy, vt, 1, 1, 8);
		799	XRenderPictFormat *mask_format = XRenderFindStandardFormat (dpy, PictStandardA8);
		800	Picture mask = XRenderCreatePicture (dpy, mask_pmap, mask_format, CPRepeat, &pa);
		801	XFreePixmap (dpy, mask_pmap);
		802
		803	XRenderColor mask_c;
		804
		805	mask_c.alpha = 0x8000;
		806	mask_c.red = 0;
		807	mask_c.green = 0;
		808	mask_c.blue = 0;
		809	XRenderFillRectangle (dpy, PictOpSrc, mask, &mask_c, 0, 0, 1, 1);
		810	XRenderComposite (dpy, PictOpOver, src, mask, dst, 0, 0, 0, 0, 0, 0, target_width, target_height);
		811
		812	XRenderFreePicture (dpy, src);
		813	XRenderFreePicture (dpy, dst);
		814	XRenderFreePicture (dpy, mask);
		815	}
		816	#endif
		817
		818	XFreeGC (dpy, gc);
		819
		820	ret = true;
		821	}
		822
		823	if (result != pixbuf)
		824	g_object_unref (result);
		825
		826	if (tr_flags)
		827	XFreePixmap (dpy, root_pmap);
		828
		829	return ret;
		830	}
		831	# endif /* HAVE_PIXBUF */
		832
		833	bool
		834	rxvt_term::bg_set_file (const char *file)
		835	{
		836	if (!file || !*file)
		837	return false;
		838
717	if (const char *p = strchr (file, ';'))	839	if (const char *p = strchr (file, ';'))
718	{	840	{
719	size_t len = p - file;	841	size_t len = p - file;
720	char *f = rxvt_temp_buf<char> (len + 1);	842	char *f = rxvt_temp_buf<char> (len + 1);
721	memcpy (f, file, len);	843	memcpy (f, file, len);
722	f[len] = '\0';	844	f[len] = '\0';
723	file = f;	845	file = f;
724	}	846	}
725		847
726	# ifdef HAVE_AFTERIMAGE	848	# ifdef HAVE_AFTERIMAGE
727	if (!target->asimman)	849	if (!asimman)
728	target->asimman = create_generic_imageman (target->rs[Rs_path]);	850	asimman = create_generic_imageman (rs[Rs_path]);
729	original_asim = get_asimage (target->asimman, file, 0xFFFFFFFF, 100);	851	ASImage *image = get_asimage (asimman, file, 0xFFFFFFFF, 100);
		852	if (image)
		853	{
730	if (original_asim)	854	if (original_asim)
731	have_image = true;	855	safe_asimage_destroy (original_asim);
732	return have_image;	856	original_asim = image;
		857	bg_flags |= BG_IS_FROM_FILE | BG_CLIENT_RENDER;
		858	return true;
		859	}
733	# endif	860	# endif
		861
		862	# ifdef HAVE_PIXBUF
		863	GdkPixbuf *image = gdk_pixbuf_new_from_file (file, NULL);
		864	if (image)
734	}	865	{
		866	if (pixbuf)
		867	g_object_unref (pixbuf);
		868	pixbuf = image;
		869	bg_flags |= BG_IS_FROM_FILE;
		870	return true;
		871	}
		872	# endif
735		873
736	return false;	874	return false;
737	}	875	}
738		876
739	# endif /* BG_IMAGE_FROM_FILE */	877	# endif /* BG_IMAGE_FROM_FILE */
740		878
741	# ifdef ENABLE_TRANSPARENCY	879	# ifdef ENABLE_TRANSPARENCY
742	bool	880	bool
743	bgPixmap_t::set_transparent ()	881	rxvt_term::bg_set_transparent ()
744	{	882	{
745	if (!(flags & isTransparent))	883	if (!(bg_flags & BG_IS_TRANSPARENT))
746	{	884	{
747	flags |= isTransparent;	885	bg_flags |= BG_IS_TRANSPARENT;
748	return true;	886	return true;
749	}	887	}
750		888
751	return false;	889	return false;
752	}	890	}
753		891
754	bool	892	bool
755	bgPixmap_t::set_blur_radius (const char *geom)	893	rxvt_term::bg_set_blur (const char *geom)
756	{	894	{
757	int changed = 0;	895	bool changed = false;
758	unsigned int hr, vr;	896	unsigned int hr, vr;
759	int junk;	897	int junk;
760	int geom_flags = XParseGeometry (geom, &junk, &junk, &hr, &vr);	898	int geom_flags = XParseGeometry (geom, &junk, &junk, &hr, &vr);
761		899
762	if (!(geom_flags & WidthValue))	900	if (!(geom_flags & WidthValue))
763	hr = 1;	901	hr = 1;
764	if (!(geom_flags & HeightValue))	902	if (!(geom_flags & HeightValue))
765	vr = hr;	903	vr = hr;
766		904
		905	min_it (hr, 128);
		906	min_it (vr, 128);
		907
767	if (h_blurRadius != hr)	908	if (h_blurRadius != hr)
768	{	909	{
769	++changed;	910	changed = true;
770	h_blurRadius = hr;	911	h_blurRadius = hr;
771	}	912	}
772		913
773	if (v_blurRadius != vr)	914	if (v_blurRadius != vr)
774	{	915	{
775	++changed;	916	changed = true;
776	v_blurRadius = vr;	917	v_blurRadius = vr;
777	}	918	}
778		919
779	if (v_blurRadius == 0 && h_blurRadius == 0)	920	if (v_blurRadius == 0 && h_blurRadius == 0)
780	flags &= ~blurNeeded;	921	bg_flags &= ~BG_NEEDS_BLUR;
781	else	922	else
782	flags |= blurNeeded;	923	bg_flags |= BG_NEEDS_BLUR;
783		924
784	return (changed > 0);	925	return changed;
785	}	926	}
786		927
787	static inline unsigned long	928	void
788	compute_tint_shade_flags (rxvt_color *tint, int shade)	929	rxvt_term::set_tint_shade_flags ()
789	{	930	{
790	unsigned long flags = 0;
791	rgba c (rgba::MAX_CC,rgba::MAX_CC,rgba::MAX_CC);	931	rgba c (rgba::MAX_CC,rgba::MAX_CC,rgba::MAX_CC);
792	bool has_shade = (shade > 0 && shade < 100) || (shade > 100 && shade < 200);	932	bool has_shade = shade != 100;
793		933
794	if (tint)	934	bg_flags &= ~BG_TINT_FLAGS;
		935
		936	if (bg_flags & BG_TINT_SET)
795	{	937	{
796	tint->get (c);	938	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)	939	if (!has_shade
806	flags |= bgPixmap_t::tintNeeded;	940	&& (c.r <= 0x00ff || c.r >= 0xff00)
807	else if (tint)	941	&& (c.g <= 0x00ff || c.g >= 0xff00)
		942	&& (c.b <= 0x00ff || c.b >= 0xff00))
		943	bg_flags |= BG_TINT_BITAND;
808	{	944	}
809	if ((c.r > 0x000700 || c.g > 0x000700 || c.b > 0x000700)	945
810	&& (c.r < 0x00f700 || c.g < 0x00f700 || c.b < 0x00f700))	946	if (has_shade || (bg_flags & BG_TINT_SET))
811	{	947	bg_flags |= BG_NEEDS_TINT;
812	flags |= bgPixmap_t::tintNeeded;	948	}
		949
		950	bool
		951	rxvt_term::bg_set_tint (rxvt_color &new_tint)
		952	{
		953	if (!(bg_flags & BG_TINT_SET) || tint != new_tint)
		954	{
		955	tint = new_tint;
		956	bg_flags |= BG_TINT_SET;
		957	set_tint_shade_flags ();
		958	return true;
		959	}
		960
		961	return false;
		962	}
		963
		964	bool
		965	rxvt_term::bg_set_shade (const char *shade_str)
		966	{
		967	int new_shade = (shade_str) ? atoi (shade_str) : 100;
		968
		969	clamp_it (new_shade, -100, 200);
		970	if (new_shade < 0)
		971	new_shade = 200 - (100 + new_shade);
		972
		973	if (new_shade != shade)
		974	{
		975	shade = new_shade;
		976	set_tint_shade_flags ();
		977	return true;
		978	}
		979
		980	return false;
		981	}
		982
		983	#if XRENDER
		984	static void
		985	get_gaussian_kernel (int radius, int width, double *kernel, XFixed *params)
		986	{
		987	double sigma = radius / 2.0;
		988	double scale = sqrt (2.0 * M_PI) * sigma;
		989	double sum = 0.0;
		990
		991	for (int i = 0; i < width; i++)
		992	{
		993	double x = i - width / 2;
		994	kernel[i] = exp (-(x * x) / (2.0 * sigma * sigma)) / scale;
		995	sum += kernel[i];
		996	}
		997
		998	params[0] = XDoubleToFixed (width);
		999	params[1] = XDoubleToFixed (1);
		1000
		1001	for (int i = 0; i < width; i++)
		1002	params[i+2] = XDoubleToFixed (kernel[i] / sum);
		1003	}
		1004	#endif
		1005
		1006	bool
		1007	rxvt_term::blur_pixmap (Pixmap pixmap, Visual *visual, int width, int height)
		1008	{
		1009	bool ret = false;
		1010	#if XRENDER
		1011	int size = max (h_blurRadius, v_blurRadius) * 2 + 1;
		1012	double *kernel = (double *)malloc (size * sizeof (double));
		1013	XFixed *params = (XFixed *)malloc ((size + 2) * sizeof (XFixed));
		1014
		1015	XRenderPictureAttributes pa;
		1016	XRenderPictFormat *format = XRenderFindVisualFormat (dpy, visual);
		1017
		1018	Picture src = XRenderCreatePicture (dpy, pixmap, format, 0, &pa);
		1019	Picture dst = XRenderCreatePicture (dpy, pixmap, format, 0, &pa);
		1020
		1021	if (kernel && params)
		1022	{
		1023	if (h_blurRadius)
813	}	1024	{
814	}	1025	size = h_blurRadius * 2 + 1;
		1026	get_gaussian_kernel (h_blurRadius, size, kernel, params);
815		1027
816	if (flags & bgPixmap_t::tintNeeded)	1028	XRenderSetPictureFilter (dpy, src, FilterConvolution, params, size+2);
		1029	XRenderComposite (dpy,
		1030	PictOpSrc,
		1031	src,
		1032	None,
		1033	dst,
		1034	0, 0,
		1035	0, 0,
		1036	0, 0,
		1037	width, height);
		1038	}
		1039
		1040	if (v_blurRadius)
		1041	{
		1042	size = v_blurRadius * 2 + 1;
		1043	get_gaussian_kernel (v_blurRadius, size, kernel, params);
		1044	::swap (params[0], params[1]);
		1045
		1046	XRenderSetPictureFilter (dpy, src, FilterConvolution, params, size+2);
		1047	XRenderComposite (dpy,
		1048	PictOpSrc,
		1049	src,
		1050	None,
		1051	dst,
		1052	0, 0,
		1053	0, 0,
		1054	0, 0,
		1055	width, height);
		1056	}
		1057
		1058	ret = true;
817	{	1059	}
818	if (flags & bgPixmap_t::tintWholesome)	1060
819	flags |= bgPixmap_t::tintServerSide;	1061	free (kernel);
		1062	free (params);
		1063	XRenderFreePicture (dpy, src);
		1064	XRenderFreePicture (dpy, dst);
		1065	#endif
		1066	return ret;
		1067	}
		1068
		1069	bool
		1070	rxvt_term::tint_pixmap (Pixmap pixmap, Visual *visual, int width, int height)
		1071	{
		1072	bool ret = false;
		1073
		1074	if (bg_flags & BG_TINT_BITAND)
		1075	{
		1076	XGCValues gcv;
		1077	GC gc;
		1078
		1079	/* In this case we can tint image server-side getting significant
		1080	* performance improvements, as we eliminate XImage transfer
		1081	*/
		1082	gcv.foreground = Pixel (tint);
		1083	gcv.function = GXand;
		1084	gcv.fill_style = FillSolid;
		1085	gc = XCreateGC (dpy, pixmap, GCFillStyle | GCForeground | GCFunction, &gcv);
		1086	if (gc)
		1087	{
		1088	XFillRectangle (dpy, pixmap, gc, 0, 0, width, height);
		1089	ret = true;
		1090	XFreeGC (dpy, gc);
		1091	}
		1092	}
		1093	else
		1094	{
		1095	# if XRENDER
		1096	rgba c (rgba::MAX_CC, rgba::MAX_CC, rgba::MAX_CC);
		1097
		1098	if (bg_flags & BG_TINT_SET)
		1099	tint.get (c);
		1100
		1101	if (shade <= 100)
		1102	{
		1103	c.r = c.r * shade / 100;
		1104	c.g = c.g * shade / 100;
		1105	c.b = c.b * shade / 100;
		1106	}
820	else	1107	else
821	{	1108	{
822	#if XFT	1109	c.r = c.r * (200 - shade) / 100;
823	flags |= bgPixmap_t::tintServerSide;	1110	c.g = c.g * (200 - shade) / 100;
824	#endif	1111	c.b = c.b * (200 - shade) / 100;
		1112	}
		1113
		1114	XRenderPictFormat *solid_format = XRenderFindStandardFormat (dpy, PictStandardARGB32);
		1115	XRenderPictFormat *format = XRenderFindVisualFormat (dpy, visual);
		1116	XRenderPictureAttributes pa;
		1117
		1118	Picture back_pic = XRenderCreatePicture (dpy, pixmap, format, 0, &pa);
		1119
		1120	pa.repeat = True;
		1121
		1122	Pixmap overlay_pmap = XCreatePixmap (dpy, pixmap, 1, 1, 32);
		1123	Picture overlay_pic = XRenderCreatePicture (dpy, overlay_pmap, solid_format, CPRepeat, &pa);
		1124	XFreePixmap (dpy, overlay_pmap);
		1125
		1126	pa.component_alpha = True;
		1127	Pixmap mask_pmap = XCreatePixmap (dpy, pixmap, 1, 1, 32);
		1128	Picture mask_pic = XRenderCreatePicture (dpy, mask_pmap, solid_format, CPRepeat | CPComponentAlpha, &pa);
		1129	XFreePixmap (dpy, mask_pmap);
		1130
		1131	XRenderColor mask_c;
		1132
		1133	mask_c.alpha = 0xffff;
		1134	mask_c.red =
		1135	mask_c.green =
		1136	mask_c.blue = 0;
		1137	XRenderFillRectangle (dpy, PictOpSrc, overlay_pic, &mask_c, 0, 0, 1, 1);
		1138
		1139	mask_c.alpha = 0;
		1140	mask_c.red = 0xffff - c.r;
		1141	mask_c.green = 0xffff - c.g;
		1142	mask_c.blue = 0xffff - c.b;
		1143	XRenderFillRectangle (dpy, PictOpSrc, mask_pic, &mask_c, 0, 0, 1, 1);
		1144	XRenderComposite (dpy, PictOpOver, overlay_pic, mask_pic, back_pic, 0, 0, 0, 0, 0, 0, width, height);
		1145
		1146	if (shade > 100)
825	}	1147	{
826	}	1148	mask_c.red = mask_c.green = mask_c.blue = 0xffff * (shade - 100) / 100;
		1149	mask_c.alpha = 0;
		1150	XRenderFillRectangle (dpy, PictOpSrc, overlay_pic, &mask_c, 0, 0, 1, 1);
827		1151
828	return flags;	1152	XRenderComposite (dpy, PictOpOver, overlay_pic, None, back_pic, 0, 0, 0, 0, 0, 0, width, height);
829	}	1153	}
830		1154
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;	1155	ret = true;
840	}
841		1156
842	return false;	1157	XRenderFreePicture (dpy, mask_pic);
843	}	1158	XRenderFreePicture (dpy, overlay_pic);
844		1159	XRenderFreePicture (dpy, back_pic);
845	bool	1160	# 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	{	1161	}
852	flags = (flags & ~tintFlags) | new_flags;
853	return true;
854	}
855		1162
856	return false;	1163	return ret;
857	}	1164	}
858		1165
859	bool	1166	/*
860	bgPixmap_t::set_shade (const char *shade_str)	1167	* 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	1168	* the tiled portion of the root pixmap that is supposed to be covered by
883	* our window.	1169	* our window.
884	*/	1170	*/
885	unsigned long	1171	unsigned long
886	bgPixmap_t::make_transparency_pixmap ()	1172	rxvt_term::make_transparency_pixmap ()
887	{	1173	{
888	unsigned long result = 0;	1174	unsigned long result = 0;
889
890	if (target == NULL)
891	return 0;
892		1175
893	/* root dimensions may change from call to call - but Display structure should	1176	/* root dimensions may change from call to call - but Display structure should
894	* be always up-to-date, so let's use it :	1177	* be always up-to-date, so let's use it :
895	*/	1178	*/
896	Window root = target->display->root;
897	int screen = target->display->screen;	1179	int screen = display->screen;
898	Display *dpy = target->dpy;	1180	int root_depth = DefaultDepth (dpy, screen);
899	int root_width = DisplayWidth (dpy, screen);	1181	int root_width = DisplayWidth (dpy, screen);
900	int root_height = DisplayHeight (dpy, screen);	1182	int root_height = DisplayHeight (dpy, screen);
901	unsigned int root_pmap_width, root_pmap_height;	1183	unsigned int root_pmap_width, root_pmap_height;
902	int window_width = target->szHint.width;	1184	int window_width = szHint.width;
903	int window_height = target->szHint.height;	1185	int window_height = szHint.height;
904	int sx, sy;	1186	int sx, sy;
905	XGCValues gcv;	1187	XGCValues gcv;
		1188	GC gc;
906		1189
907	TIMING_TEST_START (tp);	1190	sx = target_x;
908	target->get_window_origin (sx, sy);	1191	sy = target_y;
909		1192
910	/* check if we are outside of the visible part of the virtual screen : */	1193	/* check if we are outside of the visible part of the virtual screen : */
911	if (sx + window_width <= 0 || sy + window_height <= 0	1194	if (sx + window_width <= 0 || sy + window_height <= 0
912	|| sx >= root_width || sy >= root_height)	1195	|| sx >= root_width || sy >= root_height)
913	return 0;	1196	return 0;
914		1197
		1198	// validate root pixmap and get its size
915	if (root_pixmap != None)	1199	if (root_pixmap != None)
916	{	1200	{
917	/* we want to validate the pixmap and get it's size at the same time : */	1201	Window wdummy;
918	int junk;	1202	int idummy;
919	unsigned int ujunk;	1203	unsigned int udummy;
920	/* root pixmap may be bad - allow a error */	1204
921	target->allowedxerror = -1;	1205	allowedxerror = -1;
922		1206
923	if (!XGetGeometry (dpy, root_pixmap, &root, &junk, &junk, &root_pmap_width, &root_pmap_height, &ujunk, &ujunk))	1207	if (!XGetGeometry (dpy, root_pixmap, &wdummy, &idummy, &idummy, &root_pmap_width, &root_pmap_height, &udummy, &udummy))
924	root_pixmap = None;	1208	root_pixmap = None;
925		1209
926	target->allowedxerror = 0;	1210	allowedxerror = 0;
		1211	}
		1212
		1213	Pixmap recoded_root_pmap = root_pixmap;
		1214
		1215	if (root_pixmap != None && root_depth != depth)
927	}	1216	{
		1217	#if XRENDER
		1218	if (bg_flags & BG_HAS_RENDER)
		1219	{
		1220	recoded_root_pmap = XCreatePixmap (dpy, vt, root_pmap_width, root_pmap_height, depth);
928		1221
929	Pixmap tiled_root_pmap = XCreatePixmap (dpy, root, window_width, window_height, root_depth);	1222	XRenderPictureAttributes pa;
930	GC gc = NULL;
931		1223
932	if (tiled_root_pmap == None) /* something really bad happened - abort */	1224	XRenderPictFormat *src_format = XRenderFindVisualFormat (dpy, DefaultVisual (dpy, screen));
		1225	Picture src = XRenderCreatePicture (dpy, root_pixmap, src_format, 0, &pa);
		1226
		1227	XRenderPictFormat *dst_format = XRenderFindVisualFormat (dpy, visual);
		1228	Picture dst = XRenderCreatePicture (dpy, recoded_root_pmap, dst_format, 0, &pa);
		1229
		1230	XRenderComposite (dpy, PictOpSrc, src, None, dst, 0, 0, 0, 0, 0, 0, root_pmap_width, root_pmap_height);
		1231
		1232	XRenderFreePicture (dpy, src);
		1233	XRenderFreePicture (dpy, dst);
		1234	}
		1235	else
		1236	#endif
		1237	recoded_root_pmap = None;
		1238	}
		1239
		1240	if (recoded_root_pmap == None)
933	return 0;	1241	return 0;
934		1242
935	if (root_pixmap == None)	1243	if (bg_pixmap == None
		1244	|| bg_pmap_width != window_width
		1245	|| bg_pmap_height != window_height)
		1246	{
		1247	if (bg_pixmap)
		1248	XFreePixmap (dpy, bg_pixmap);
		1249	bg_pixmap = XCreatePixmap (dpy, vt, window_width, window_height, depth);
		1250	bg_pmap_width = window_width;
		1251	bg_pmap_height = window_height;
936	{	1252	}
937	/* use tricks to obtain the root background image :*/
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		1253
944	attr.background_pixmap = ParentRelative;	1254	/* straightforward pixmap copy */
945	attr.backing_store = Always;	1255	while (sx < 0) sx += root_width;
946	attr.event_mask = ExposureMask;	1256	while (sy < 0) sy += root_height;
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		1257
953	if (src != None)	1258	gcv.tile = recoded_root_pmap;
954	{	1259	gcv.fill_style = FillTiled;
955	XEvent event;	1260	gcv.ts_x_origin = -sx;
956	int ev_count = 0;	1261	gcv.ts_y_origin = -sy;
957	XGrabServer (dpy);	1262	gc = XCreateGC (dpy, vt, GCFillStyle | GCTile | GCTileStipXOrigin | GCTileStipYOrigin, &gcv);
958	XMapRaised (dpy, src);
959	XSync (dpy, False);
960		1263
961	/* XSync should get window where it's properly exposed,	1264	if (gc)
962	* but to be on the safe side - let's check for the actual event to arrive : */	1265	{
963	while (XCheckWindowEvent (dpy, src, ExposureMask, &event))	1266	XFillRectangle (dpy, bg_pixmap, gc, 0, 0, window_width, window_height);
964	++ev_count;	1267	result |= BG_IS_VALID | (bg_flags & BG_EFFECTS_FLAGS);
		1268	XFreeGC (dpy, gc);
965		1269
966	if (ev_count > 0);	1270	if (!(bg_flags & BG_CLIENT_RENDER))
		1271	{
		1272	if ((bg_flags & BG_NEEDS_BLUR)
		1273	&& (bg_flags & BG_HAS_RENDER_CONV))
967	{	1274	{
968	/* hooray! - we can grab the image! */	1275	if (blur_pixmap (bg_pixmap, visual, window_width, window_height))
969	gc = XCreateGC (dpy, root, 0, NULL);	1276	result &= ~BG_NEEDS_BLUR;
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	}	1277	}
976		1278	if ((bg_flags & BG_NEEDS_TINT)
977	XDestroyWindow (dpy, src);	1279	&& (bg_flags & (BG_TINT_BITAND | BG_HAS_RENDER)))
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);
985	tiled_root_pmap = None;
986	}
987	else
988	result |= transpPmapTiled;
989	}
990	else
991	{
992	/* straightforward pixmap copy */
993	gcv.tile = root_pixmap;
994	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;
1000	gcv.ts_y_origin = -sy;
1001	gc = XCreateGC (dpy, root, GCFillStyle | GCTile | GCTileStipXOrigin | GCTileStipYOrigin, &gcv);
1002
1003	if (gc)
1004	{
1005	XFillRectangle (dpy, tiled_root_pmap, gc, 0, 0, window_width, window_height);
1006	result |= transpPmapTiled;
1007	}
1008	}
1009	TIMING_TEST_PRINT_RESULT (tp);
1010
1011	if (tiled_root_pmap != None)
1012	{
1013	if (!need_client_side_rendering ())
1014	{
1015	if ((flags & tintNeeded))
1016	{	1280	{
1017	if (flags & tintWholesome)	1281	if (tint_pixmap (bg_pixmap, visual, window_width, window_height))
1018	{	1282	result &= ~BG_NEEDS_TINT;
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
1041	if (flags & tintSet)
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	}	1283	}
1116	} /* server side rendering completed */	1284	} /* 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	}	1285	}
1126		1286
1127	if (gc)	1287	if (recoded_root_pmap != root_pixmap)
1128	XFreeGC (dpy, gc);	1288	XFreePixmap (dpy, recoded_root_pmap);
1129
1130	TIMING_TEST_PRINT_RESULT (tp);
1131		1289
1132	return result;	1290	return result;
1133	}	1291	}
1134		1292
		1293	void
		1294	rxvt_term::bg_set_root_pixmap ()
		1295	{
		1296	Pixmap new_root_pixmap = get_pixmap_property (xa[XA_XROOTPMAP_ID]);
		1297	if (new_root_pixmap == None)
		1298	new_root_pixmap = get_pixmap_property (xa[XA_ESETROOT_PMAP_ID]);
		1299
		1300	root_pixmap = new_root_pixmap;
		1301	}
		1302	# endif /* ENABLE_TRANSPARENCY */
		1303
		1304	#if defined(ENABLE_TRANSPARENCY) && !defined(HAVE_AFTERIMAGE)
		1305	static void shade_ximage (Visual *visual, XImage *ximage, int shade, const rgba &c);
		1306	# endif
		1307
1135	bool	1308	bool
1136	bgPixmap_t::set_root_pixmap ()	1309	rxvt_term::bg_render ()
1137	{	1310	{
1138	Pixmap new_root_pixmap = target->get_pixmap_property (XA_XROOTPMAP_ID);	1311	unsigned long tr_flags = 0;
1139	if (new_root_pixmap == None)
1140	new_root_pixmap = target->get_pixmap_property (XA_ESETROOT_PMAP_ID);
1141		1312
1142	if (new_root_pixmap != root_pixmap)	1313	bg_invalidate ();
1143	{	1314	# ifdef ENABLE_TRANSPARENCY
1144	root_pixmap = new_root_pixmap;	1315	if (bg_flags & BG_IS_TRANSPARENT)
1145	return true;
1146	}	1316	{
1147		1317	/* we need to re-generate transparency pixmap in that case ! */
		1318	tr_flags = make_transparency_pixmap ();
		1319	if (tr_flags == 0)
1148	return false;	1320	return false;
1149	}	1321	else if (!(tr_flags & BG_EFFECTS_FLAGS))
1150	# endif /* ENABLE_TRANSPARENCY */	1322	bg_flags |= BG_IS_VALID;
1151		1323	}
1152	# ifndef HAVE_AFTERIMAGE
1153	static void ShadeXImage(rxvt_term *term, XImage *srcImage, int shade, int rm, int gm, int bm);
1154	# endif	1324	# endif
1155		1325
1156	bool	1326	# ifdef BG_IMAGE_FROM_FILE
1157	bgPixmap_t::render ()	1327	if ((bg_flags & BG_IS_FROM_FILE)
1158	{	1328	|| (tr_flags & BG_EFFECTS_FLAGS))
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	{	1329	{
1170	/* we need to re-generate transparency pixmap in that case ! */	1330	if (render_image (tr_flags))
1171	background_flags = make_transparency_pixmap ();	1331	bg_flags |= BG_IS_VALID;
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	}	1332	}
1178	# endif	1333	# endif
1179		1334
1180	# ifdef BG_IMAGE_FROM_FILE	1335	# if defined(ENABLE_TRANSPARENCY) && !defined(HAVE_AFTERIMAGE)
1181	if (have_image	1336	XImage *result = NULL;
1182	|| (background_flags & transpTransformations) != (flags & transpTransformations))	1337
		1338	if (tr_flags && !(bg_flags & BG_IS_VALID))
		1339	{
		1340	result = XGetImage (dpy, bg_pixmap, 0, 0, bg_pmap_width, bg_pmap_height, AllPlanes, ZPixmap);
1183	{	1341	}
1184	if (render_image (background_flags))	1342
1185	flags = flags & ~isInvalid;	1343	if (result)
		1344	{
		1345	/* our own client-side tinting */
		1346	if (tr_flags & BG_NEEDS_TINT)
		1347	{
		1348	rgba c (rgba::MAX_CC,rgba::MAX_CC,rgba::MAX_CC);
		1349	if (bg_flags & BG_TINT_SET)
		1350	tint.get (c);
		1351	shade_ximage (DefaultVisual (dpy, display->screen), result, shade, c);
		1352	}
		1353
		1354	GC gc = XCreateGC (dpy, vt, 0UL, NULL);
		1355
		1356	if (gc)
		1357	{
		1358	XPutImage (dpy, bg_pixmap, gc, result, 0, 0, 0, 0, result->width, result->height);
		1359
		1360	XFreeGC (dpy, gc);
		1361	bg_flags |= BG_IS_VALID;
		1362	}
		1363
		1364	XDestroyImage (result);
1186	}	1365	}
1187	# endif	1366	# endif
1188		1367
1189	XImage *result = NULL;	1368	if (!(bg_flags & BG_IS_VALID))
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	}	1369	{
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)	1370	if (bg_pixmap != None)
1255	{	1371	{
1256	XFreePixmap (target->dpy, pixmap);	1372	XFreePixmap (dpy, bg_pixmap);
1257	pixmap = None;	1373	bg_pixmap = None;
1258	}	1374	}
1259	}	1375	}
1260		1376
1261	apply ();	1377	scr_recolour (false);
		1378	bg_flags |= BG_NEEDS_REFRESH;
1262		1379
1263	XSync (target->dpy, False);
1264	valid_since = ev::now ();	1380	bg_valid_since = ev::now ();
1265
1266	TIMING_TEST_PRINT_RESULT (tp);
1267		1381
1268	return true;	1382	return true;
1269	}	1383	}
1270		1384
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	1385	void
1288	bgPixmap_t::apply ()	1386	rxvt_term::bg_init ()
1289	{	1387	{
1290	if (target)
1291	{
1292	flags &= ~isVtOrigin;
1293
1294	if (pixmap != None)
1295	{
1296	/* set target's background to pixmap */
1297	# ifdef ENABLE_TRANSPARENCY	1388	#ifdef ENABLE_TRANSPARENCY
1298	if (flags & isTransparent)	1389	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	1390	#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		1391
1315	if (target->scrollBar.win)	1392	bg_flags &= ~(BG_HAS_RENDER | BG_HAS_RENDER_CONV);
1316	XSetWindowBackground (target->dpy, target->scrollBar.win, target->pix_colors[Color_border]);	1393	#if XRENDER
1317	}	1394	int major, minor;
1318	}	1395	if (XRenderQueryVersion (dpy, &major, &minor))
1319	else	1396	bg_flags |= BG_HAS_RENDER;
1320	{	1397	XFilters *filters = XRenderQueryFilters (dpy, vt);
1321	/* set target background to a pixel */	1398	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	}	1399	{
		1400	for (int i = 0; i < filters->nfilter; i++)
		1401	if (!strcmp (filters->filter[i], FilterConvolution))
		1402	bg_flags |= BG_HAS_RENDER_CONV;
		1403
		1404	XFree (filters);
		1405	}
		1406	#endif
1342	}	1407	}
1343		1408
1344	#endif /* HAVE_BG_PIXMAP */	1409	#endif /* HAVE_BG_PIXMAP */
1345		1410
1346	#if defined(ENABLE_TRANSPARENCY) && !defined(HAVE_AFTERIMAGE) && !XFT	1411	#if defined(ENABLE_TRANSPARENCY) && !defined(HAVE_AFTERIMAGE)
1347	/* taken from aterm-0.4.2 */	1412	/* taken from aterm-0.4.2 */
1348		1413
1349	typedef uint32_t RUINT32T;
1350
1351	static void	1414	static void
1352	ShadeXImage(rxvt_term *term, XImage *srcImage, int shade, int rm, int gm, int bm)	1415	shade_ximage (Visual *visual, XImage *ximage, int shade, const rgba &c)
1353	{	1416	{
1354	int sh_r, sh_g, sh_b;	1417	int sh_r, sh_g, sh_b;
1355	RUINT32T mask_r, mask_g, mask_b;	1418	uint32_t mask_r, mask_g, mask_b;
1356	RUINT32T *lookup, *lookup_r, *lookup_g, *lookup_b;	1419	uint32_t *lookup, *lookup_r, *lookup_g, *lookup_b;
1357	unsigned int lower_lim_r, lower_lim_g, lower_lim_b;	1420	rgba low;
1358	unsigned int upper_lim_r, upper_lim_g, upper_lim_b;	1421	rgba high;
1359	int i;	1422	int i;
		1423	int host_byte_order = ecb_big_endian () ? MSBFirst : LSBFirst;
1360		1424
1361	Visual *visual = term->visual;
1362
1363	if (visual->c_class != TrueColor || srcImage->format != ZPixmap) return ;	1425	if (visual->c_class != TrueColor || ximage->format != ZPixmap) return;
1364
1365	if (shade == 0)
1366	shade = 100;
1367		1426
1368	/* for convenience */	1427	/* for convenience */
1369	mask_r = visual->red_mask;	1428	mask_r = visual->red_mask;
1370	mask_g = visual->green_mask;	1429	mask_g = visual->green_mask;
1371	mask_b = visual->blue_mask;	1430	mask_b = visual->blue_mask;
1372		1431
1373	/* boring lookup table pre-initialization */	1432	/* boring lookup table pre-initialization */
1374	switch (srcImage->bits_per_pixel) {	1433	switch (ximage->depth)
		1434	{
1375	case 15:	1435	case 15:
1376	if ((mask_r != 0x7c00) ||	1436	if ((mask_r != 0x7c00) ||
1377	(mask_g != 0x03e0) ||	1437	(mask_g != 0x03e0) ||
1378	(mask_b != 0x001f))	1438	(mask_b != 0x001f))
1379	return;	1439	return;
1380	lookup = (RUINT32T *) malloc (sizeof (RUINT32T)*(32+32+32));	1440	lookup = (uint32_t *) malloc (sizeof (uint32_t)*(32+32+32));
1381	lookup_r = lookup;	1441	lookup_r = lookup;
1382	lookup_g = lookup+32;	1442	lookup_g = lookup+32;
1383	lookup_b = lookup+32+32;	1443	lookup_b = lookup+32+32;
1384	sh_r = 10;	1444	sh_r = 10;
1385	sh_g = 5;	1445	sh_g = 5;
1386	sh_b = 0;	1446	sh_b = 0;
1387	break;	1447	break;
1388	case 16:	1448	case 16:
1389	if ((mask_r != 0xf800) ||	1449	if ((mask_r != 0xf800) ||
1390	(mask_g != 0x07e0) ||	1450	(mask_g != 0x07e0) ||
1391	(mask_b != 0x001f))	1451	(mask_b != 0x001f))
1392	return;	1452	return;
1393	lookup = (RUINT32T *) malloc (sizeof (RUINT32T)*(32+64+32));	1453	lookup = (uint32_t *) malloc (sizeof (uint32_t)*(32+64+32));
1394	lookup_r = lookup;	1454	lookup_r = lookup;
1395	lookup_g = lookup+32;	1455	lookup_g = lookup+32;
1396	lookup_b = lookup+32+64;	1456	lookup_b = lookup+32+64;
1397	sh_r = 11;	1457	sh_r = 11;
1398	sh_g = 5;	1458	sh_g = 5;
1399	sh_b = 0;	1459	sh_b = 0;
1400	break;	1460	break;
1401	case 24:	1461	case 24:
1402	if ((mask_r != 0xff0000) ||	1462	if ((mask_r != 0xff0000) ||
1403	(mask_g != 0x00ff00) ||	1463	(mask_g != 0x00ff00) ||
1404	(mask_b != 0x0000ff))	1464	(mask_b != 0x0000ff))
1405	return;	1465	return;
1406	lookup = (RUINT32T *) malloc (sizeof (RUINT32T)*(256+256+256));	1466	lookup = (uint32_t *) malloc (sizeof (uint32_t)*(256+256+256));
1407	lookup_r = lookup;	1467	lookup_r = lookup;
1408	lookup_g = lookup+256;	1468	lookup_g = lookup+256;
1409	lookup_b = lookup+256+256;	1469	lookup_b = lookup+256+256;
1410	sh_r = 16;	1470	sh_r = 16;
1411	sh_g = 8;	1471	sh_g = 8;
1412	sh_b = 0;	1472	sh_b = 0;
1413	break;	1473	break;
1414	case 32:	1474	case 32:
1415	if ((mask_r != 0xff0000) ||	1475	if ((mask_r != 0xff0000) ||
1416	(mask_g != 0x00ff00) ||	1476	(mask_g != 0x00ff00) ||
1417	(mask_b != 0x0000ff))	1477	(mask_b != 0x0000ff))
1418	return;	1478	return;
1419	lookup = (RUINT32T *) malloc (sizeof (RUINT32T)*(256+256+256));	1479	lookup = (uint32_t *) malloc (sizeof (uint32_t)*(256+256+256));
1420	lookup_r = lookup;	1480	lookup_r = lookup;
1421	lookup_g = lookup+256;	1481	lookup_g = lookup+256;
1422	lookup_b = lookup+256+256;	1482	lookup_b = lookup+256+256;
1423	sh_r = 16;	1483	sh_r = 16;
1424	sh_g = 8;	1484	sh_g = 8;
1425	sh_b = 0;	1485	sh_b = 0;
1426	break;	1486	break;
1427	default:	1487	default:
1428	return; /* we do not support this color depth */	1488	return; /* we do not support this color depth */
1429	}	1489	}
1430		1490
1431	/* prepare limits for color transformation (each channel is handled separately) */	1491	/* prepare limits for color transformation (each channel is handled separately) */
1432	if (shade < 0) {	1492	if (shade > 100)
		1493	{
1433	shade = -shade;	1494	shade = 200 - shade;
1434	if (shade < 0) shade = 0;
1435	if (shade > 100) shade = 100;
1436		1495
1437	lower_lim_r = 65535-rm;	1496	high.r = c.r * shade / 100;
1438	lower_lim_g = 65535-gm;	1497	high.g = c.g * shade / 100;
1439	lower_lim_b = 65535-bm;	1498	high.b = c.b * shade / 100;
1440		1499
1441	lower_lim_r = 65535-(unsigned int)(((RUINT32T)lower_lim_r)*((RUINT32T)shade)/100);	1500	low.r = 65535 * (100 - shade) / 100;
1442	lower_lim_g = 65535-(unsigned int)(((RUINT32T)lower_lim_g)*((RUINT32T)shade)/100);	1501	low.g = 65535 * (100 - shade) / 100;
1443	lower_lim_b = 65535-(unsigned int)(((RUINT32T)lower_lim_b)*((RUINT32T)shade)/100);	1502	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	}	1503	}
1456		1504	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	{	1505	{
1460	unsigned int tmp;	1506	high.r = c.r * shade / 100;
		1507	high.g = c.g * shade / 100;
		1508	high.b = c.b * shade / 100;
1461		1509
1462	tmp = lower_lim_r;	1510	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	}	1511	}
1470		1512
1471	/* fill our lookup tables */	1513	/* fill our lookup tables */
1472	for (i = 0; i <= mask_r>>sh_r; i++)	1514	for (i = 0; i <= mask_r>>sh_r; i++)
1473	{	1515	{
1474	RUINT32T tmp;	1516	uint32_t tmp;
1475	tmp = ((RUINT32T)i)*((RUINT32T)(upper_lim_r-lower_lim_r));	1517	tmp = i * high.r;
1476	tmp += ((RUINT32T)(mask_r>>sh_r))*((RUINT32T)lower_lim_r);	1518	tmp += (mask_r>>sh_r) * low.r;
1477	lookup_r[i] = (tmp/65535)<<sh_r;	1519	lookup_r[i] = (tmp/65535)<<sh_r;
1478	}	1520	}
1479	for (i = 0; i <= mask_g>>sh_g; i++)	1521	for (i = 0; i <= mask_g>>sh_g; i++)
1480	{	1522	{
1481	RUINT32T tmp;	1523	uint32_t tmp;
1482	tmp = ((RUINT32T)i)*((RUINT32T)(upper_lim_g-lower_lim_g));	1524	tmp = i * high.g;
1483	tmp += ((RUINT32T)(mask_g>>sh_g))*((RUINT32T)lower_lim_g);	1525	tmp += (mask_g>>sh_g) * low.g;
1484	lookup_g[i] = (tmp/65535)<<sh_g;	1526	lookup_g[i] = (tmp/65535)<<sh_g;
1485	}	1527	}
1486	for (i = 0; i <= mask_b>>sh_b; i++)	1528	for (i = 0; i <= mask_b>>sh_b; i++)
1487	{	1529	{
1488	RUINT32T tmp;	1530	uint32_t tmp;
1489	tmp = ((RUINT32T)i)*((RUINT32T)(upper_lim_b-lower_lim_b));	1531	tmp = i * high.b;
1490	tmp += ((RUINT32T)(mask_b>>sh_b))*((RUINT32T)lower_lim_b);	1532	tmp += (mask_b>>sh_b) * low.b;
1491	lookup_b[i] = (tmp/65535)<<sh_b;	1533	lookup_b[i] = (tmp/65535)<<sh_b;
1492	}	1534	}
1493		1535
1494	/* apply table to input image (replacing colors by newly calculated ones) */	1536	/* apply table to input image (replacing colors by newly calculated ones) */
1495	switch (srcImage->bits_per_pixel)	1537	if (ximage->bits_per_pixel == 32
		1538	&& (ximage->depth == 24 || ximage->depth == 32)
		1539	&& ximage->byte_order == host_byte_order)
1496	{	1540	{
1497	case 15:
1498	{
1499	unsigned short *p1, *pf, *p, *pl;	1541	uint32_t *p1, *pf, *p, *pl;
1500	p1 = (unsigned short *) srcImage->data;	1542	p1 = (uint32_t *) ximage->data;
1501	pf = (unsigned short *) (srcImage->data + srcImage->height * srcImage->bytes_per_line);	1543	pf = (uint32_t *) (ximage->data + ximage->height * ximage->bytes_per_line);
		1544
1502	while (p1 < pf)	1545	while (p1 < pf)
1503	{	1546	{
1504	p = p1;	1547	p = p1;
1505	pl = p1 + srcImage->width;	1548	pl = p1 + ximage->width;
1506	for (; p < pl; p++)	1549	for (; p < pl; p++)
1507	{	1550	{
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] |	1551	*p = lookup_r[(*p & 0xff0000) >> 16] |
1567	lookup_g[(*p & 0x00ff00)>> 8] |	1552	lookup_g[(*p & 0x00ff00) >> 8] |
1568	lookup_b[(*p & 0x0000ff)] |	1553	lookup_b[(*p & 0x0000ff)] |
1569	(*p & ~0xffffff);	1554	(*p & 0xff000000);
		1555	}
		1556	p1 = (uint32_t *) ((char *) p1 + ximage->bytes_per_line);
		1557	}
		1558	}
		1559	else
		1560	{
		1561	for (int y = 0; y < ximage->height; y++)
		1562	for (int x = 0; x < ximage->width; x++)
		1563	{
		1564	unsigned long pixel = XGetPixel (ximage, x, y);
		1565	pixel = lookup_r[(pixel & mask_r) >> sh_r] |
		1566	lookup_g[(pixel & mask_g) >> sh_g] |
		1567	lookup_b[(pixel & mask_b) >> sh_b];
		1568	XPutPixel (ximage, x, y, pixel);
1570	}	1569	}
1571	p1 = (RUINT32T *) ((char *) p1 + srcImage->bytes_per_line);
1572	}	1570	}
1573	break;
1574	}
1575	}
1576		1571
1577	free (lookup);	1572	free (lookup);
1578	}	1573	}
1579	#endif /* defined(ENABLE_TRANSPARENCY) && !defined(HAVE_AFTERIMAGE) */	1574	#endif /* defined(ENABLE_TRANSPARENCY) && !defined(HAVE_AFTERIMAGE) */

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