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Comparing rxvt-unicode/src/background.C (file contents):
Revision 1.27 by ayin, Sun Jan 27 22:48:33 2008 UTC vs.
Revision 1.143 by sf-exg, Fri Jan 28 00:08:57 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) 2005-2006 Marc Lehmann <pcg@goof.com>	6	* Copyright (c) 2005-2008 Marc Lehmann <pcg@goof.com>
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{ struct timeval tv;gettimeofday (&tv, NULL); tv.tv_sec -= (timing_test_##id##_stv).tv_sec;\
37	fprintf (stderr, "%s: %s: %d: elapsed %ld usec\n", #id, __FILE__, __LINE__,\
38	tv.tv_sec * 1000000 + tv.tv_usec - (timing_test_##id##_stv).tv_usec);}while (0)
39
40	#else
41	#define TIMING_TEST_START(id) do{}while (0)
42	#define TIMING_TEST_PRINT_RESULT(id) do{}while (0)
43	#endif	35	#endif
44		36
45	/*	37	/*
46	* Pixmap geometry string interpretation :	38	* Pixmap geometry string interpretation :
47	* Each geometry string contains zero or one scale/position	39	* Each geometry string contains zero or one scale/position
48	* adjustment and may optionally be followed by a colon and one or more	40	* adjustment and may optionally be followed by a colon and one or more
49	* colon-delimited pixmap operations.	41	* colon-delimited pixmap operations.
50	* The following table shows the valid geometry strings and their	42	* The following table shows the valid geometry strings and their
51	* affects on the background image :	43	* effects on the background image :
52	*	44	*
53	* 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%.
54	* W and H are percentages of the terminal window size.	46	* W and H are percentages of the terminal window size.
55	* X and Y are also percentages; e.g., +50+50 centers	47	* X and Y are also percentages; e.g., +50+50 centers
56	* the image in the window.	48	* the image in the window.
57	* WxH+X Assumes Y == X
58	* WxH Assumes Y == X == 50 (centers the image)
59	* W+X+Y Assumes H == W
60	* W+X Assumes H == W and Y == X
61	* W Assumes H == W and Y == X == 50
62	*
63	* Adjusting position only :
64	* =+X+Y Set position to X% by Y% (absolute).
65	* =+X Set position to X% by X%.
66	* +X+Y Adjust position horizontally X% and vertically Y%
67	* from current position (relative).
68	* +X Adjust position horizontally X% and vertically X%
69	* from current position.
70	*
71	* Adjusting scale only :
72	* Wx0 Multiply horizontal scaling factor by W%
73	* 0xH Multiply vertical scaling factor by H%
74	* 0x0 No scaling (show image at normal size).
75	*	49	*
76	* Pixmap Operations : (should be prepended by a colon)	50	* Pixmap Operations : (should be prepended by a colon)
77	* tile Tile image. Scaling/position modifiers above will affect	51	* tile Tile image. Scaling/position modifiers above will affect
78	* the tile size and origin.	52	* the tile size and origin.
79	* propscale When scaling, scale proportionally. That is, maintain the	53	* propscale When scaling, scale proportionally. That is, maintain the
80	* proper aspect ratio for the image. Any portion of the	54	* proper aspect ratio for the image. Any portion of the
81	* background not covered by the image is filled with the	55	* background not covered by the image is filled with the
82	* current background color.	56	* current background color.
83	* hscale Scale horizontally, tile vertically ?	57	* hscale Scale horizontally, tile vertically ?
84	* vscale Tile horizontally, scale vertically ?	58	* vscale Tile horizontally, scale vertically ?
85	* scale Scale both up and down	59	* scale Scale both up and down
86	* auto Same as 100x100+50+50	60	* auto Same as 100x100+50+50
87	*/	61	*/
88		62
89	#ifdef HAVE_BG_PIXMAP	63	#ifdef HAVE_BG_PIXMAP
90	bgPixmap_t::bgPixmap_t ()
91	{
92	// this is basically redundant as bgPixmap_t is only used in
93	// zero_initialised-derived structs
94	#ifdef HAVE_AFTERIMAGE
95	original_asim = NULL;
96	#endif
97	#ifdef BG_IMAGE_FROM_FILE
98	h_scale = v_scale = 0;
99	h_align = v_align = 0;
100	#endif
101	flags = 0;
102	pixmap = None;
103	valid_since = invalid_since = 0;
104	target = 0;
105	}
106
107	void	64	void
108	bgPixmap_t::destroy ()	65	rxvt_term::bg_destroy ()
109	{	66	{
110	#ifdef HAVE_AFTERIMAGE	67	#ifdef HAVE_AFTERIMAGE
111	if (original_asim)	68	if (original_asim)
112	safe_asimage_destroy (original_asim);	69	safe_asimage_destroy (original_asim);
113	#endif	70	#endif
114		71
115	if (pixmap && target)	72	#ifdef HAVE_PIXBUF
		73	if (pixbuf)
		74	g_object_unref (pixbuf);
		75	#endif
		76
		77	if (bg_pixmap)
116	XFreePixmap (target->dpy, pixmap);	78	XFreePixmap (dpy, bg_pixmap);
117	}	79	}
118		80
119	bool	81	bool
120	bgPixmap_t::window_size_sensitive ()	82	rxvt_term::bg_set_position (int x, int y)
		83	{
		84
		85	if (target_x != x
		86	|| target_y != y)
		87	{
		88	target_x = x;
		89	target_y = y;
		90	return true;
		91	}
		92	return false;
		93	}
		94
		95	bool
		96	rxvt_term::bg_window_size_sensitive ()
121	{	97	{
122	# ifdef ENABLE_TRANSPARENCY	98	# ifdef ENABLE_TRANSPARENCY
123	if (flags & isTransparent)	99	if (bg_flags & BG_IS_TRANSPARENT)
124	return true;	100	return true;
125	# endif	101	# endif
126		102
127	# ifdef BG_IMAGE_FROM_FILE	103	# ifdef BG_IMAGE_FROM_FILE
128	# ifdef HAVE_AFTERIMAGE	104	if (have_image)
129	if (original_asim)
130	# endif
131	{	105	{
132	if (h_scale != 0 || v_scale != 0	106	if (bg_flags & BG_IS_SIZE_SENSITIVE)
133	|| h_align != 0 || v_align != 0)
134	return true;	107	return true;
135	}	108	}
136	# endif	109	# endif
137		110
138	return false;	111	return false;
139	}	112	}
140		113
141	bool	114	bool
142	bgPixmap_t::window_position_sensitive ()	115	rxvt_term::bg_window_position_sensitive ()
143	{	116	{
144	# ifdef ENABLE_TRANSPARENCY	117	# ifdef ENABLE_TRANSPARENCY
145	if (flags & isTransparent)	118	if (bg_flags & BG_IS_TRANSPARENT)
146	return true;	119	return true;
147	# endif	120	# endif
148		121
149	# ifdef BG_IMAGE_FROM_FILE	122	# ifdef BG_IMAGE_FROM_FILE
150	# ifdef HAVE_AFTERIMAGE	123	if (have_image)
151	if (original_asim)
152	# endif
153	{	124	{
154	if (h_align == rootAlign || v_align == rootAlign)	125	if (bg_flags & BG_ROOT_ALIGN)
155	return true;	126	return true;
156	}	127	}
157	# endif	128	# endif
158		129
159	return false;
160	};
161
162	bool bgPixmap_t::need_client_side_rendering ()
163	{
164	# ifdef HAVE_AFTERIMAGE
165	if (original_asim)
166	return true;
167	# endif
168	# ifdef ENABLE_TRANSPARENCY
169	if (flags & isTransparent)
170	{
171	# ifdef HAVE_AFTERIMAGE // can't blur without libAI anyways
172	if ((flags & blurNeeded) && !(flags & blurServerSide))
173	return true;
174	# endif
175	if ((flags & tintNeeded) && !(flags & tintServerSide))
176	return true;
177	}
178	# endif
179	return false;	130	return false;
180	}	131	}
181		132
182	# ifdef BG_IMAGE_FROM_FILE	133	# ifdef BG_IMAGE_FROM_FILE
183	static inline bool	134	static inline bool
…		…
199	static inline bool	150	static inline bool
200	check_set_align_value (int geom_flags, int flag, int &align, int new_value)	151	check_set_align_value (int geom_flags, int flag, int &align, int new_value)
201	{	152	{
202	if (geom_flags & flag)	153	if (geom_flags & flag)
203	{	154	{
204	if (new_value != bgPixmap_t::rootAlign)
205	{
206	if (new_value < -100)	155	if (new_value < -100)
207	new_value = -100;	156	new_value = -100;
208	else if (new_value > 200)	157	else if (new_value > 200)
209	new_value = 200;	158	new_value = 200;
210	}
211	if (new_value != align)	159	if (new_value != align)
212	{	160	{
213	align = new_value;	161	align = new_value;
214	return true;	162	return true;
215	}	163	}
…		…
219		167
220	static inline int	168	static inline int
221	make_align_position (int align, int window_size, int image_size)	169	make_align_position (int align, int window_size, int image_size)
222	{	170	{
223	int diff = window_size - image_size;	171	int diff = window_size - image_size;
224	int smaller = MIN (image_size,window_size);	172	int smaller = min (image_size, window_size);
225		173
226	if (align >= 0 && align <= 50)	174	if (align >= 0 && align <= 100)
227	return diff * align / 100;	175	return diff * align / 100;
228	else if (align > 50 && align <= 100)
229	return window_size - image_size - diff * (100 - align) / 100;
230	else if (align > 100 && align <= 200 )	176	else if (align > 100 && align <= 200)
231	return ((align - 100) * smaller / 100) + window_size - smaller;	177	return ((align - 100) * smaller / 100) + window_size - smaller;
232	else if (align > -100 && align < 0)	178	else if (align >= -100 && align < 0)
233	return ((align + 100) * smaller / 100) - image_size;	179	return ((align + 100) * smaller / 100) - image_size;
234	return 0;	180	return 0;
235	}	181	}
236		182
237	static inline int	183	static inline int
238	make_clip_rectangle (int pos, int size, int target_size, int &dst_pos, int &dst_size)	184	make_clip_rectangle (int pos, int size, int target_size, int &dst_pos, int &dst_size)
239	{	185	{
240	int src_pos = 0;	186	int src_pos = 0;
241	dst_pos = 0;	187	dst_pos = pos;
242	dst_size = size;	188	dst_size = size;
243	if (pos < 0 && size > target_size)	189	if (pos < 0)
244	{	190	{
245	src_pos = -pos;	191	src_pos = -pos;
		192	dst_pos = 0;
246	dst_size += pos;	193	dst_size += pos;
247	}	194	}
248	else if (pos > 0)
249	dst_pos = pos;
250		195
251	if (dst_pos + dst_size > target_size)	196	if (dst_pos + dst_size > target_size)
252	dst_size = target_size - dst_pos;	197	dst_size = target_size - dst_pos;
253	return src_pos;	198	return src_pos;
254	}	199	}
255		200
256	bool	201	bool
257	bgPixmap_t::set_geometry (const char *geom)	202	rxvt_term::bg_set_geometry (const char *geom, bool update)
258	{	203	{
		204	bool changed = false;
259	int geom_flags = 0, changed = 0;	205	int geom_flags = 0;
260	int x = 0, y = 0;	206	int x = 0, y = 0;
261	unsigned int w = 0, h = 0;	207	unsigned int w = 0, h = 0;
262	unsigned int n;	208	unsigned int n;
263	unsigned long new_flags = (flags & (~geometryFlags));	209	unsigned long new_flags = (bg_flags & (~BG_GEOMETRY_FLAGS));
264	char *p;	210	const char *ops;
265	# define MAXLEN_GEOM 256 /* could be longer than regular geometry string */
266		211
267	if (geom == NULL)	212	if (geom == NULL)
268	return false;	213	return false;
269		214
270	char str[MAXLEN_GEOM];	215	char str[256];
271		216
272	while (isspace(*geom)) ++geom;
273	if ((p = strchr (geom, ';')) == NULL)
274	p = strchr (geom, '\0');	217	ops = strchr (geom, ':');
275		218	if (ops == NULL)
		219	n = strlen (geom);
		220	else
276	n = (p - geom);	221	n = ops - geom;
277	if (n < MAXLEN_GEOM)
278	{
279	char *ops;
280	new_flags |= geometrySet;
281		222
		223	if (n >= sizeof (str))
		224	return false;
		225
282	memcpy (str, geom, n);	226	memcpy (str, geom, n);
283	str[n] = '\0';	227	str[n] = '\0';
284	if (str[0] == ':')	228	rxvt_strtrim (str);
285	ops = &str[0];
286	else if (str[0] != 'x' && str[0] != 'X' && isalpha(str[0]))
287	ops = &str[0];
288	else
289	{
290	char *tmp;
291	ops = strchr (str, ':');
292	if (ops != NULL)
293	{
294	for (tmp = ops-1; tmp >= str && isspace(*tmp); --tmp);
295	*(++tmp) = '\0';
296	if (ops == tmp) ++ops;
297	}
298	}
299		229
300	if (ops > str || ops == NULL)	230	if (str[0])
301	{	231	{
302	/* we have geometry string - let's handle it prior to applying ops */	232	/* we have geometry string - let's handle it prior to applying ops */
303	geom_flags = XParseGeometry (str, &x, &y, &w, &h);	233	geom_flags = XParseGeometry (str, &x, &y, &w, &h);
304
305	if ((geom_flags & XValue) && !(geom_flags & YValue))
306	{
307	y = x;
308	geom_flags |= YValue;
309	}
310
311	if (flags & geometrySet)
312	{
313	/* new geometry is an adjustment to the old one ! */
314	if ((geom_flags & WidthValue) && (geom_flags & HeightValue))
315	{
316	if (w == 0 && h != 0)
317	{
318	w = h_scale;
319	h = (v_scale * h) / 100;
320	}
321	else if (h == 0 && w != 0)
322	{
323	w = (h_scale * w) / 100;
324	h = v_scale;
325	}
326	}
327	if (geom_flags & XValue)
328	{
329	if (str[0] != '=')
330	{
331	y += v_align;
332	x += h_align;
333	}
334	}
335	}
336	else /* setting up geometry from scratch */
337	{
338	if (!(geom_flags & XValue))
339	{
340	/* use default geometry - centered */
341	x = y = defaultAlign;
342	}
343	else if (!(geom_flags & YValue))
344	y = x;
345
346	if ((geom_flags & (WidthValue|HeightValue)) == 0)
347	{
348	/* use default geometry - scaled */
349	w = h = defaultScale;
350	}
351	else if (geom_flags & WidthValue)
352	{
353	if (!(geom_flags & HeightValue))
354	h = w;
355	}
356	else
357	w = h;
358	}
359	} /* done parsing geometry string */	234	} /* done parsing geometry string */
360	else if (!(flags & geometrySet))	235
361	{	236	if (!update)
362	/* default geometry - scaled and centered */	237	{
		238	if (!(geom_flags & XValue))
363	x = y = defaultAlign;	239	x = y = defaultAlign;
		240	else if (!(geom_flags & YValue))
		241	y = x;
		242
		243	if (!(geom_flags & (WidthValue|HeightValue)))
364	w = h = defaultScale;	244	w = h = defaultScale;
365	}	245	else if (!(geom_flags & HeightValue))
		246	h = w;
		247	else if (!(geom_flags & WidthValue))
		248	w = h;
366		249
367	if (!(flags & geometrySet))
368	geom_flags |= WidthValue|HeightValue|XValue|YValue;	250	geom_flags |= WidthValue|HeightValue|XValue|YValue;
		251	}
369		252
370	if (ops)	253	if (ops)
371	{	254	{
372	while (*ops)	255	char **arr = rxvt_strsplit (':', ops + 1);
		256
		257	for (int i = 0; arr[i]; i++)
373	{	258	{
374	while (*ops == ':' || isspace(*ops)) ++ops;	259	if (!strcasecmp (arr[i], "tile"))
375
376	# define CHECK_GEOM_OPS(op_str) (strncasecmp (ops, (op_str), sizeof (op_str) - 1) == 0)
377	if (CHECK_GEOM_OPS ("tile"))
378	{	260	{
379	w = h = noScale;	261	w = h = noScale;
380	geom_flags |= WidthValue|HeightValue;	262	geom_flags |= WidthValue|HeightValue;
381	}	263	}
382	else if (CHECK_GEOM_OPS ("propscale"))	264	else if (!strcasecmp (arr[i], "propscale"))
383	{	265	{
384	if (w == 0 && h == 0)	266	new_flags |= BG_PROP_SCALE;
385	{
386	w = windowScale;
387	geom_flags |= WidthValue;
388	}
389	new_flags |= propScale;
390	}	267	}
391	else if (CHECK_GEOM_OPS ("hscale"))	268	else if (!strcasecmp (arr[i], "hscale"))
392	{	269	{
393	if (w == 0) w = windowScale;	270	if (w == 0) w = windowScale;
394		271
395	h = noScale;	272	h = noScale;
396	geom_flags |= WidthValue|HeightValue;	273	geom_flags |= WidthValue|HeightValue;
397	}	274	}
398	else if (CHECK_GEOM_OPS ("vscale"))	275	else if (!strcasecmp (arr[i], "vscale"))
399	{	276	{
400	if (h == 0) h = windowScale;	277	if (h == 0) h = windowScale;
401		278
402	w = noScale;	279	w = noScale;
403	geom_flags |= WidthValue|HeightValue;	280	geom_flags |= WidthValue|HeightValue;
404	}	281	}
405	else if (CHECK_GEOM_OPS ("scale"))	282	else if (!strcasecmp (arr[i], "scale"))
406	{	283	{
407	if (h == 0) h = windowScale;	284	if (h == 0) h = windowScale;
408	if (w == 0) w = windowScale;	285	if (w == 0) w = windowScale;
409		286
410	geom_flags |= WidthValue|HeightValue;	287	geom_flags |= WidthValue|HeightValue;
411	}	288	}
412	else if (CHECK_GEOM_OPS ("auto"))	289	else if (!strcasecmp (arr[i], "auto"))
413	{	290	{
414	w = h = windowScale;	291	w = h = windowScale;
415	x = y = centerAlign;	292	x = y = centerAlign;
416	geom_flags |= WidthValue|HeightValue|XValue|YValue;	293	geom_flags |= WidthValue|HeightValue|XValue|YValue;
417	}	294	}
418	else if (CHECK_GEOM_OPS ("root"))	295	else if (!strcasecmp (arr[i], "root"))
419	{	296	{
		297	new_flags |= BG_ROOT_ALIGN;
420	w = h = noScale;	298	w = h = noScale;
421	x = y = rootAlign;
422	geom_flags |= WidthValue|HeightValue|XValue|YValue;	299	geom_flags |= WidthValue|HeightValue;
423	}	300	}
424	# undef CHECK_GEOM_OPS
425
426	while (*ops != ':' && *ops != '\0') ++ops;
427	} /* done parsing ops */	301	} /* done parsing ops */
428	}
429		302
		303	rxvt_free_strsplit (arr);
		304	}
		305
430	if (check_set_scale_value (geom_flags, WidthValue, h_scale, w)) ++changed;	306	if (check_set_scale_value (geom_flags, WidthValue, h_scale, w)) changed = true;
431	if (check_set_scale_value (geom_flags, HeightValue, v_scale, h)) ++changed;	307	if (check_set_scale_value (geom_flags, HeightValue, v_scale, h)) changed = true;
432	if (check_set_align_value (geom_flags, XValue, h_align, x)) ++changed;	308	if (check_set_align_value (geom_flags, XValue, h_align, x)) changed = true;
433	if (check_set_align_value (geom_flags, YValue, v_align, y)) ++changed;	309	if (check_set_align_value (geom_flags, YValue, v_align, y)) changed = true;
434	}
435		310
436	if (new_flags != flags)	311	if (new_flags != bg_flags)
437	{	312	{
438	flags = new_flags;	313	bg_flags = new_flags;
439	changed++;	314	changed = true;
440	}	315	}
441		316
442	//fprintf (stderr, "flags = %lX, scale = %ux%u, align=%+d%+d\n",
443	// flags, h_scale, v_scale, h_align, v_align);
444	return (changed > 0);	317	return changed;
		318	}
		319
		320	void
		321	rxvt_term::get_image_geometry (int image_width, int image_height, int &w, int &h, int &x, int &y)
		322	{
		323	int target_width = szHint.width;
		324	int target_height = szHint.height;
		325
		326	if (bg_flags & BG_PROP_SCALE)
		327	{
		328	float scale = (float)target_width / image_width;
		329	min_it (scale, (float)target_height / image_height);
		330	w = image_width * scale + 0.5;
		331	h = image_height * scale + 0.5;
		332	}
		333	else
		334	{
		335	w = h_scale * target_width / 100;
		336	h = v_scale * target_height / 100;
		337	}
		338
		339	if (!w) w = image_width;
		340	if (!h) h = image_height;
		341
		342	if (bg_flags & BG_ROOT_ALIGN)
		343	{
		344	x = -target_x;
		345	y = -target_y;
		346	}
		347	else
		348	{
		349	x = make_align_position (h_align, target_width, w);
		350	y = make_align_position (v_align, target_height, h);
		351	}
		352
		353	bg_flags &= ~BG_IS_SIZE_SENSITIVE;
		354	if ((bg_flags & BG_PROP_SCALE) || h_scale || v_scale
		355	|| (!(bg_flags & BG_ROOT_ALIGN) && (h_align || v_align))
		356	|| w > target_width || h > target_height)
		357	bg_flags |= BG_IS_SIZE_SENSITIVE;
445	}	358	}
446		359
447	# ifdef HAVE_AFTERIMAGE	360	# ifdef HAVE_AFTERIMAGE
448	bool	361	bool
449	bgPixmap_t::render_asim (ASImage *background, ARGB32 background_tint)	362	rxvt_term::render_image (unsigned long tr_flags)
450	{	363	{
451	if (target == NULL)	364	init_asv ();
452	return false;
453		365
454	int target_width = (int)target->szHint.width;	366	ASImage *background = NULL;
455	int target_height = (int)target->szHint.height;	367	ARGB32 background_tint = TINT_LEAVE_SAME;
456	int new_pmap_width = target_width, new_pmap_height = target_height;	368
		369	# ifdef ENABLE_TRANSPARENCY
		370	if (tr_flags)
		371	background = pixmap2ximage (asv, bg_pixmap, 0, 0, bg_pmap_width, bg_pmap_height, AllPlanes, 100);
		372
		373	if (tr_flags & BG_NEEDS_TINT)
		374	{
		375	ShadingInfo as_shade;
		376	as_shade.shading = shade;
		377
		378	rgba c (rgba::MAX_CC,rgba::MAX_CC,rgba::MAX_CC);
		379	if (bg_flags & BG_TINT_SET)
		380	tint.get (c);
		381	as_shade.tintColor.red = c.r;
		382	as_shade.tintColor.green = c.g;
		383	as_shade.tintColor.blue = c.b;
		384
		385	background_tint = shading2tint32 (&as_shade);
		386	}
		387
		388	if ((tr_flags & BG_NEEDS_BLUR) && background != NULL)
		389	{
		390	ASImage *tmp = blur_asimage_gauss (asv, background, h_blurRadius, v_blurRadius, 0xFFFFFFFF,
		391	(original_asim == NULL || tint == TINT_LEAVE_SAME) ? ASA_XImage : ASA_ASImage,
		392	100, ASIMAGE_QUALITY_DEFAULT);
		393	if (tmp)
		394	{
		395	destroy_asimage (&background);
		396	background = tmp;
		397	}
		398	}
		399	# endif
		400
457	ASImage *result = NULL;	401	ASImage *result = 0;
		402
		403	int target_width = szHint.width;
		404	int target_height = szHint.height;
		405	int new_pmap_width = target_width;
		406	int new_pmap_height = target_height;
458		407
459	int x = 0;	408	int x = 0;
460	int y = 0;	409	int y = 0;
461	int w = h_scale * target_width / 100;	410	int w = 0;
462	int h = v_scale * target_height / 100;	411	int h = 0;
463
464	TIMING_TEST_START (asim);
465		412
466	if (original_asim)	413	if (original_asim)
467	{	414	get_image_geometry (original_asim->width, original_asim->height, w, h, x, y);
468	if (h_align == rootAlign || v_align == rootAlign)
469	{
470	target->get_window_origin(x, y);
471	x = -x;
472	y = -y;
473	}
474
475	if (h_align != rootAlign)
476	x = make_align_position (h_align, target_width, w > 0 ? w : (int)original_asim->width);
477
478	if (v_align != rootAlign)
479	y = make_align_position (v_align, target_height, h > 0 ? h : (int)original_asim->height);
480	}
481		415
482	if (!original_asim	416	if (!original_asim
		417	|| (!(bg_flags & BG_ROOT_ALIGN)
483	|| x >= target_width	418	&& (x >= target_width
484	|| y >= target_height	419	|| y >= target_height
485	|| (w > 0 && x + w <= 0)	420	|| (x + w <= 0)
486	|| (h > 0 && y + h <= 0))	421	|| (y + h <= 0))))
487	{	422	{
488	if (background)	423	if (background)
489	{	424	{
490	new_pmap_width = background->width;	425	new_pmap_width = background->width;
491	new_pmap_height = background->height;	426	new_pmap_height = background->height;
492	result = background;	427	result = background;
493		428
494	if (background_tint != TINT_LEAVE_SAME)	429	if (background_tint != TINT_LEAVE_SAME)
495	{	430	{
496	ASImage* tmp = tile_asimage (target->asv, background, 0, 0,	431	ASImage *tmp = tile_asimage (asv, background, 0, 0,
497	target_width, target_height, background_tint,	432	target_width, target_height, background_tint,
498	ASA_XImage, 100, ASIMAGE_QUALITY_DEFAULT);	433	ASA_XImage, 100, ASIMAGE_QUALITY_DEFAULT);
499	if (tmp)	434	if (tmp)
500	result = tmp;	435	result = tmp;
501	}	436	}
…		…
505	}	440	}
506	else	441	else
507	{	442	{
508	result = original_asim;	443	result = original_asim;
509		444
510	if ((w > 0 && w != original_asim->width)	445	if ((w != original_asim->width)
511	|| (h > 0 && h != original_asim->height))	446	|| (h != original_asim->height))
512	{	447	{
513	result = scale_asimage (target->asv, original_asim,	448	result = scale_asimage (asv, original_asim,
514	w > 0 ? w : original_asim->width,	449	w, h,
515	h > 0 ? h : original_asim->height,
516	background ? ASA_ASImage : ASA_XImage,	450	background ? ASA_ASImage : ASA_XImage,
517	100, ASIMAGE_QUALITY_DEFAULT);	451	100, ASIMAGE_QUALITY_DEFAULT);
518	}	452	}
519		453
520	if (background == NULL)	454	if (background == NULL)
521	{	455	{
522	/* if tiling - pixmap has to be sized exactly as the image,
523	but there is no need to make it bigger than the window! */
524	if (h_scale == 0)
525	new_pmap_width = min (result->width, target_width);
526	if (v_scale == 0)
527	new_pmap_height = min (result->height, target_height);
528	/* we also need to tile our image in one or both directions */
529	if (h_scale == 0 || v_scale == 0)	456	if (h_scale == 0 || v_scale == 0)
530	{	457	{
		458	/* if tiling - pixmap has to be sized exactly as the image,
		459	but there is no need to make it bigger than the window! */
		460	new_pmap_width = min (result->width, target_width);
		461	new_pmap_height = min (result->height, target_height);
		462
		463	/* we also need to tile our image in both directions */
531	ASImage *tmp = tile_asimage (target->asv, result,	464	ASImage *tmp = tile_asimage (asv, result,
532	(h_scale > 0) ? 0 : (int)result->width - x,	465	(int)result->width - x,
533	(v_scale > 0) ? 0 : (int)result->height - y,	466	(int)result->height - y,
534	new_pmap_width,	467	new_pmap_width,
535	new_pmap_height,	468	new_pmap_height,
536	TINT_LEAVE_SAME, ASA_XImage,	469	TINT_LEAVE_SAME, ASA_XImage,
537	100, ASIMAGE_QUALITY_DEFAULT);	470	100, ASIMAGE_QUALITY_DEFAULT);
538	if (tmp)	471	if (tmp)
539	{	472	{
…		…
546	}	479	}
547	else	480	else
548	{	481	{
549	/* if blending background and image - pixmap has to be sized same as target window */	482	/* if blending background and image - pixmap has to be sized same as target window */
550	ASImageLayer *layers = create_image_layers (2);	483	ASImageLayer *layers = create_image_layers (2);
551	ASImage *merged_im = NULL;
552		484
553	layers[0].im = background;	485	layers[0].im = background;
554	layers[0].clip_width = target_width;	486	layers[0].clip_width = target_width;
555	layers[0].clip_height = target_height;	487	layers[0].clip_height = target_height;
556	layers[0].tint = background_tint;	488	layers[0].tint = background_tint;
557	layers[1].im = result;	489	layers[1].im = result;
558		490
559	if (w <= 0)	491	if (h_scale == 0 || v_scale == 0)
560	{	492	{
561	/* tile horizontally */	493	/* tile horizontally */
562	while (x > 0) x -= (int)result->width;	494	while (x > 0) x -= (int)result->width;
563	layers[1].dst_x = x;	495	layers[1].dst_x = x;
564	layers[1].clip_width = result->width+target_width;	496	layers[1].clip_width = result->width+target_width;
…		…
568	/* clip horizontally */	500	/* clip horizontally */
569	layers[1].dst_x = x;	501	layers[1].dst_x = x;
570	layers[1].clip_width = result->width;	502	layers[1].clip_width = result->width;
571	}	503	}
572		504
573	if (h <= 0)	505	if (h_scale == 0 || v_scale == 0)
574	{	506	{
575	while (y > 0) y -= (int)result->height;	507	while (y > 0) y -= (int)result->height;
576	layers[1].dst_y = y;	508	layers[1].dst_y = y;
577	layers[1].clip_height = result->height + target_height;	509	layers[1].clip_height = result->height + target_height;
578	}	510	}
…		…
580	{	512	{
581	layers[1].dst_y = y;	513	layers[1].dst_y = y;
582	layers[1].clip_height = result->height;	514	layers[1].clip_height = result->height;
583	}	515	}
584		516
585	if (target->rs[Rs_blendtype])	517	if (rs[Rs_blendtype])
586	{	518	{
587	layers[1].merge_scanlines = blend_scanlines_name2func (target->rs[Rs_blendtype]);	519	layers[1].merge_scanlines = blend_scanlines_name2func (rs[Rs_blendtype]);
588	if (layers[1].merge_scanlines == NULL)	520	if (layers[1].merge_scanlines == NULL)
589	layers[1].merge_scanlines = alphablend_scanlines;	521	layers[1].merge_scanlines = alphablend_scanlines;
590	}	522	}
591		523
592	ASImage *tmp = merge_layers (target->asv, layers, 2, target_width, target_height,	524	ASImage *tmp = merge_layers (asv, layers, 2, target_width, target_height,
593	ASA_XImage, 0, ASIMAGE_QUALITY_DEFAULT);	525	ASA_XImage, 0, ASIMAGE_QUALITY_DEFAULT);
594		526
595	if (tmp)	527	if (tmp)
596	{	528	{
597	if (result != original_asim)	529	if (result != original_asim)
…		…
601	}	533	}
602		534
603	free (layers);	535	free (layers);
604	}	536	}
605	}	537	}
606	TIMING_TEST_PRINT_RESULT (asim);
607		538
608	if (pixmap)	539	bool ret = false;
609	{
610	if (result == NULL
611	|| pmap_width != new_pmap_width
612	|| pmap_height != new_pmap_height
613	|| pmap_depth != target->depth)
614	{
615	XFreePixmap (target->dpy, pixmap);
616	pixmap = None;
617	}
618	}
619		540
620	if (result)	541	if (result)
621	{	542	{
622	XGCValues gcv;	543	XGCValues gcv;
623	GC gc;	544	GC gc;
624		545
625	/* create Pixmap */	546	/* create Pixmap */
626	if (pixmap == None)	547	if (bg_pixmap == None
		548	|| bg_pmap_width != new_pmap_width
		549	|| bg_pmap_height != new_pmap_height)
627	{	550	{
		551	if (bg_pixmap)
		552	XFreePixmap (dpy, bg_pixmap);
628	pixmap = XCreatePixmap (target->dpy, target->vt, new_pmap_width, new_pmap_height, target->depth);	553	bg_pixmap = XCreatePixmap (dpy, vt, new_pmap_width, new_pmap_height, depth);
629	pmap_width = new_pmap_width;	554	bg_pmap_width = new_pmap_width;
630	pmap_height = new_pmap_height;	555	bg_pmap_height = new_pmap_height;
631	pmap_depth = target->depth;
632	}	556	}
633	/* fill with background color ( if result's not completely overlapping it)*/	557	/* fill with background color (if result's not completely overlapping it) */
634	gcv.foreground = target->pix_colors[Color_bg];	558	gcv.foreground = pix_colors[Color_bg];
635	gc = XCreateGC (target->dpy, target->vt, GCForeground, &gcv);	559	gc = XCreateGC (dpy, vt, GCForeground, &gcv);
636		560
637	int src_x = 0, src_y = 0, dst_x = 0, dst_y = 0;	561	int src_x = 0, src_y = 0, dst_x = 0, dst_y = 0;
638	int dst_width = result->width, dst_height = result->height;	562	int dst_width = result->width, dst_height = result->height;
639	if (background == NULL)	563	if (background == NULL)
640	{	564	{
		565	if (!(h_scale == 0 || v_scale == 0))
		566	{
641	if (h_scale > 0) src_x = make_clip_rectangle (x, result->width , new_pmap_width , dst_x, dst_width );	567	src_x = make_clip_rectangle (x, result->width , new_pmap_width , dst_x, dst_width );
642	if (v_scale > 0) src_y = make_clip_rectangle (y, result->height, new_pmap_height, dst_y, dst_height);	568	src_y = make_clip_rectangle (y, result->height, new_pmap_height, dst_y, dst_height);
		569	}
643		570
644	if (dst_x > 0 || dst_y > 0	571	if (dst_x > 0 || dst_y > 0
645	|| dst_x + dst_width < new_pmap_width	572	|| dst_x + dst_width < new_pmap_width
646	|| dst_y + dst_height < new_pmap_height)	573	|| dst_y + dst_height < new_pmap_height)
647	XFillRectangle (target->dpy, pixmap, gc, 0, 0, new_pmap_width, new_pmap_height);	574	XFillRectangle (dpy, bg_pixmap, gc, 0, 0, new_pmap_width, new_pmap_height);
648	}	575	}
649		576
650	/* put result on pixmap */	577	/* put result on pixmap */
651	if (dst_x < new_pmap_width && dst_y < new_pmap_height)	578	if (dst_x < new_pmap_width && dst_y < new_pmap_height)
652	asimage2drawable (target->asv, pixmap, result, gc, src_x, src_y, dst_x, dst_y, dst_width, dst_height, True);	579	asimage2drawable (asv, bg_pixmap, result, gc, src_x, src_y, dst_x, dst_y, dst_width, dst_height, True);
653		580
654	if (result != background && result != original_asim)	581	if (result != background && result != original_asim)
655	destroy_asimage (&result);	582	destroy_asimage (&result);
656		583
657	XFreeGC (target->dpy, gc);	584	XFreeGC (dpy, gc);
658	TIMING_TEST_PRINT_RESULT (asim);	585
		586	ret = true;
		587	}
		588
		589	if (background)
		590	destroy_asimage (&background);
		591
		592	return ret;
		593	}
		594	# endif /* HAVE_AFTERIMAGE */
		595
		596	# ifdef HAVE_PIXBUF
		597	bool
		598	rxvt_term::pixbuf_to_pixmap (GdkPixbuf *pixbuf, Pixmap pixmap, GC gc,
		599	int src_x, int src_y, int dst_x, int dst_y,
		600	unsigned int width, unsigned int height)
		601	{
		602	XImage *ximage;
		603	char *data, *line;
		604	int bytes_per_pixel;
		605	int width_r, width_g, width_b;
		606	int sh_r, sh_g, sh_b;
		607	int rowstride;
		608	int channels;
		609	unsigned char *row;
		610
		611	if (visual->c_class != TrueColor)
		612	return false;
		613
		614	if (depth == 24 || depth == 32)
		615	bytes_per_pixel = 4;
		616	else if (depth == 15 || depth == 16)
		617	bytes_per_pixel = 2;
		618	else
		619	return false;
		620
		621	width_r = rxvt_popcount (visual->red_mask);
		622	width_g = rxvt_popcount (visual->green_mask);
		623	width_b = rxvt_popcount (visual->blue_mask);
		624
		625	if (width_r > 8 || width_g > 8 || width_b > 8)
		626	return false;
		627
		628	sh_r = rxvt_ctz (visual->red_mask);
		629	sh_g = rxvt_ctz (visual->green_mask);
		630	sh_b = rxvt_ctz (visual->blue_mask);
		631
		632	if (width > INT_MAX / height / bytes_per_pixel)
		633	return false;
		634
		635	data = (char *)malloc (width * height * bytes_per_pixel);
		636	if (!data)
		637	return false;
		638
		639	ximage = XCreateImage (dpy, visual, depth, ZPixmap, 0, data,
		640	width, height, bytes_per_pixel * 8, 0);
		641	if (!ximage)
659	}	642	{
		643	free (data);
		644	return false;
		645	}
660		646
		647	ximage->byte_order = byteorder::big_endian () ? MSBFirst : LSBFirst;
		648
		649	rowstride = gdk_pixbuf_get_rowstride (pixbuf);
		650	channels = gdk_pixbuf_get_n_channels (pixbuf);
		651	row = gdk_pixbuf_get_pixels (pixbuf) + src_y * rowstride + src_x * channels;
		652	line = data;
		653
		654	for (int y = 0; y < height; y++)
		655	{
		656	for (int x = 0; x < width; x++)
		657	{
		658	unsigned char *pixel = row + x * channels;
		659	uint32_t value;
		660
		661	value = ((pixel[0] >> (8 - width_r)) << sh_r)
		662	| ((pixel[1] >> (8 - width_g)) << sh_g)
		663	| ((pixel[2] >> (8 - width_b)) << sh_b);
		664
		665	if (bytes_per_pixel == 4)
		666	((uint32_t *)line)[x] = value;
		667	else
		668	((uint16_t *)line)[x] = value;
		669	}
		670
		671	row += rowstride;
		672	line += ximage->bytes_per_line;
		673	}
		674
		675	XPutImage (dpy, pixmap, gc, ximage, 0, 0, dst_x, dst_y, width, height);
		676	XDestroyImage (ximage);
661	return true;	677	return true;
662	}	678	}
663	# endif /* HAVE_AFTERIMAGE */
664		679
665	bool	680	bool
666	bgPixmap_t::set_file (const char *file)	681	rxvt_term::render_image (unsigned long tr_flags)
667	{	682	{
668	char *f;	683	if (!pixbuf)
		684	return false;
669		685
670	assert (file);	686	if (tr_flags
		687	&& !(bg_flags & BG_HAS_RENDER))
		688	return false;
671		689
672	if (*file)	690	GdkPixbuf *result;
		691
		692	int image_width = gdk_pixbuf_get_width (pixbuf);
		693	int image_height = gdk_pixbuf_get_height (pixbuf);
		694
		695	int target_width = szHint.width;
		696	int target_height = szHint.height;
		697	int new_pmap_width = target_width;
		698	int new_pmap_height = target_height;
		699
		700	int x = 0;
		701	int y = 0;
		702	int w = 0;
		703	int h = 0;
		704
		705	get_image_geometry (image_width, image_height, w, h, x, y);
		706
		707	if (!(bg_flags & BG_ROOT_ALIGN)
		708	&& (x >= target_width
		709	|| y >= target_height
		710	|| (x + w <= 0)
		711	|| (y + h <= 0)))
		712	return false;
		713
		714	result = pixbuf;
		715
		716	if ((w != image_width)
		717	|| (h != image_height))
		718	{
		719	result = gdk_pixbuf_scale_simple (pixbuf,
		720	w, h,
		721	GDK_INTERP_BILINEAR);
673	{	722	}
		723
		724	bool ret = false;
		725
		726	if (result)
		727	{
		728	XGCValues gcv;
		729	GC gc;
		730	Pixmap root_pmap;
		731
		732	image_width = gdk_pixbuf_get_width (result);
		733	image_height = gdk_pixbuf_get_height (result);
		734
		735	if (tr_flags)
		736	{
		737	root_pmap = bg_pixmap;
		738	bg_pixmap = None;
		739	}
		740	else
		741	{
		742	if (h_scale == 0 || v_scale == 0)
		743	{
		744	new_pmap_width = min (image_width, target_width);
		745	new_pmap_height = min (image_height, target_height);
		746	}
		747	}
		748
		749	if (bg_pixmap == None
		750	|| bg_pmap_width != new_pmap_width
		751	|| bg_pmap_height != new_pmap_height)
		752	{
		753	if (bg_pixmap)
		754	XFreePixmap (dpy, bg_pixmap);
		755	bg_pixmap = XCreatePixmap (dpy, vt, new_pmap_width, new_pmap_height, depth);
		756	bg_pmap_width = new_pmap_width;
		757	bg_pmap_height = new_pmap_height;
		758	}
		759
		760	gcv.foreground = pix_colors[Color_bg];
		761	gc = XCreateGC (dpy, vt, GCForeground, &gcv);
		762
		763	if (h_scale == 0 || v_scale == 0)
		764	{
		765	Pixmap tile = XCreatePixmap (dpy, vt, image_width, image_height, depth);
		766	pixbuf_to_pixmap (result, tile, gc,
		767	0, 0,
		768	0, 0,
		769	image_width, image_height);
		770
		771	gcv.tile = tile;
		772	gcv.fill_style = FillTiled;
		773	gcv.ts_x_origin = x;
		774	gcv.ts_y_origin = y;
		775	XChangeGC (dpy, gc, GCFillStyle | GCTile | GCTileStipXOrigin | GCTileStipYOrigin, &gcv);
		776
		777	XFillRectangle (dpy, bg_pixmap, gc, 0, 0, new_pmap_width, new_pmap_height);
		778	XFreePixmap (dpy, tile);
		779	}
		780	else
		781	{
		782	int src_x, src_y, dst_x, dst_y;
		783	int dst_width, dst_height;
		784
		785	src_x = make_clip_rectangle (x, image_width , new_pmap_width , dst_x, dst_width );
		786	src_y = make_clip_rectangle (y, image_height, new_pmap_height, dst_y, dst_height);
		787
		788	if (dst_x > 0 || dst_y > 0
		789	|| dst_x + dst_width < new_pmap_width
		790	|| dst_y + dst_height < new_pmap_height)
		791	XFillRectangle (dpy, bg_pixmap, gc, 0, 0, new_pmap_width, new_pmap_height);
		792
		793	if (dst_x < new_pmap_width && dst_y < new_pmap_height)
		794	pixbuf_to_pixmap (result, bg_pixmap, gc,
		795	src_x, src_y,
		796	dst_x, dst_y,
		797	dst_width, dst_height);
		798	}
		799
		800	#if XRENDER
		801	if (tr_flags)
		802	{
		803	XRenderPictureAttributes pa;
		804
		805	XRenderPictFormat *src_format = XRenderFindVisualFormat (dpy, visual);
		806	Picture src = XRenderCreatePicture (dpy, root_pmap, src_format, 0, &pa);
		807
		808	XRenderPictFormat *dst_format = XRenderFindVisualFormat (dpy, visual);
		809	Picture dst = XRenderCreatePicture (dpy, bg_pixmap, dst_format, 0, &pa);
		810
		811	pa.repeat = True;
		812	Pixmap mask_pmap = XCreatePixmap (dpy, vt, 1, 1, 8);
		813	XRenderPictFormat *mask_format = XRenderFindStandardFormat (dpy, PictStandardA8);
		814	Picture mask = XRenderCreatePicture (dpy, mask_pmap, mask_format, CPRepeat, &pa);
		815	XFreePixmap (dpy, mask_pmap);
		816
		817	if (src && dst && mask)
		818	{
		819	XRenderColor mask_c;
		820
		821	mask_c.alpha = 0x8000;
		822	mask_c.red = 0;
		823	mask_c.green = 0;
		824	mask_c.blue = 0;
		825	XRenderFillRectangle (dpy, PictOpSrc, mask, &mask_c, 0, 0, 1, 1);
		826	XRenderComposite (dpy, PictOpOver, src, mask, dst, 0, 0, 0, 0, 0, 0, target_width, target_height);
		827	}
		828
		829	XRenderFreePicture (dpy, src);
		830	XRenderFreePicture (dpy, dst);
		831	XRenderFreePicture (dpy, mask);
		832
		833	XFreePixmap (dpy, root_pmap);
		834	}
		835	#endif
		836
		837	if (result != pixbuf)
		838	g_object_unref (result);
		839
		840	XFreeGC (dpy, gc);
		841
		842	ret = true;
		843	}
		844
		845	return ret;
		846	}
		847	# endif /* HAVE_PIXBUF */
		848
		849	bool
		850	rxvt_term::bg_set_file (const char *file)
		851	{
		852	if (!file || !*file)
		853	return false;
		854
		855	if (const char *p = strchr (file, ';'))
		856	{
		857	size_t len = p - file;
		858	char *f = rxvt_temp_buf<char> (len + 1);
		859	memcpy (f, file, len);
		860	f[len] = '\0';
		861	file = f;
		862	}
		863
674	# ifdef HAVE_AFTERIMAGE	864	# ifdef HAVE_AFTERIMAGE
675	if (target->asimman == NULL)	865	if (!asimman)
676	target->asimman = create_generic_imageman (target->rs[Rs_path]);	866	asimman = create_generic_imageman (rs[Rs_path]);
677
678	if ((f = strchr (file, ';')) == NULL)
679	original_asim = get_asimage (target->asimman, file, 0xFFFFFFFF, 100);	867	ASImage *image = get_asimage (asimman, file, 0xFFFFFFFF, 100);
680	else	868	if (image)
681	{	869	{
682	size_t len = f - file;	870	if (original_asim)
683	f = (char *)malloc (len + 1);	871	safe_asimage_destroy (original_asim);
684	memcpy (f, file, len);	872	original_asim = image;
685	f[len] = '\0';	873	bg_flags |= BG_CLIENT_RENDER;
686	original_asim = get_asimage (target->asimman, f, 0xFFFFFFFF, 100);	874	have_image = true;
687	free (f);	875	return true;
688	}	876	}
689
690	return original_asim;
691	# endif	877	# endif
		878
		879	# ifdef HAVE_PIXBUF
		880	GdkPixbuf *image = gdk_pixbuf_new_from_file (file, NULL);
		881	if (image)
692	}	882	{
		883	if (pixbuf)
		884	g_object_unref (pixbuf);
		885	pixbuf = image;
		886	have_image = true;
		887	return true;
		888	}
		889	# endif
693		890
694	return false;	891	return false;
695	}	892	}
696		893
697	# endif /* BG_IMAGE_FROM_FILE */	894	# endif /* BG_IMAGE_FROM_FILE */
698		895
699	# ifdef ENABLE_TRANSPARENCY	896	# ifdef ENABLE_TRANSPARENCY
700	bool	897	bool
701	bgPixmap_t::set_transparent ()	898	rxvt_term::bg_set_transparent ()
702	{	899	{
703	if (!(flags & isTransparent))	900	if (!(bg_flags & BG_IS_TRANSPARENT))
704	{	901	{
705	flags |= isTransparent;	902	bg_flags |= BG_IS_TRANSPARENT;
706	return true;	903	return true;
707	}	904	}
708		905
709	return false;	906	return false;
710	}	907	}
711		908
712	bool	909	bool
713	bgPixmap_t::set_blur_radius (const char *geom)	910	rxvt_term::bg_set_blur (const char *geom)
714	{	911	{
715	int changed = 0;	912	bool changed = false;
716	unsigned int hr, vr;	913	unsigned int hr, vr;
717	int junk;	914	int junk;
718	int geom_flags = XParseGeometry (geom, &junk, &junk, &hr, &vr);	915	int geom_flags = XParseGeometry (geom, &junk, &junk, &hr, &vr);
719		916
720	if (!(geom_flags&WidthValue))	917	if (!(geom_flags & WidthValue))
721	hr = 1;	918	hr = 1;
722	if (!(geom_flags&HeightValue))	919	if (!(geom_flags & HeightValue))
723	vr = hr;	920	vr = hr;
724		921
		922	min_it (hr, 128);
		923	min_it (vr, 128);
		924
725	if (h_blurRadius != hr)	925	if (h_blurRadius != hr)
726	{	926	{
727	++changed;	927	changed = true;
728	h_blurRadius = hr;	928	h_blurRadius = hr;
729	}	929	}
730		930
731	if (v_blurRadius != vr)	931	if (v_blurRadius != vr)
732	{	932	{
733	++changed;	933	changed = true;
734	v_blurRadius = vr;	934	v_blurRadius = vr;
735	}	935	}
736		936
737	if (v_blurRadius == 0 && h_blurRadius == 0)	937	if (v_blurRadius == 0 && h_blurRadius == 0)
738	flags &= ~blurNeeded;	938	bg_flags &= ~BG_NEEDS_BLUR;
739	else	939	else
740	flags |= blurNeeded;	940	bg_flags |= BG_NEEDS_BLUR;
741		941
742	return (changed>0);	942	return changed;
743	}	943	}
744		944
745	static inline unsigned long	945	static inline unsigned long
746	compute_tint_shade_flags (rxvt_color *tint, int shade)	946	compute_tint_shade_flags (rxvt_color *tint, int shade)
747	{	947	{
748	unsigned long flags = 0;	948	unsigned long flags = 0;
749	rgba c (rgba::MAX_CC,rgba::MAX_CC,rgba::MAX_CC);	949	rgba c (rgba::MAX_CC,rgba::MAX_CC,rgba::MAX_CC);
750	bool has_shade = (shade > 0 && shade < 100) || (shade > 100 && shade < 200);	950	bool has_shade = shade != 100;
751		951
752	if (tint)	952	if (tint)
753	{	953	{
754	tint->get (c);	954	tint->get (c);
755	# define IS_COMPONENT_WHOLESOME(cmp) ((cmp) <= 0x000700 || (cmp) >= 0x00f700)
756	if (!has_shade && IS_COMPONENT_WHOLESOME (c.r)
757	&& IS_COMPONENT_WHOLESOME (c.g)
758	&& IS_COMPONENT_WHOLESOME (c.b))
759	flags |= bgPixmap_t::tintWholesome;
760	# undef IS_COMPONENT_WHOLESOME
761	}
762
763	if (has_shade)	955	if (!has_shade
764	flags |= bgPixmap_t::tintNeeded;	956	&& (c.r <= 0x00ff || c.r >= 0xff00)
765	else if (tint)	957	&& (c.g <= 0x00ff || c.g >= 0xff00)
766	{	958	&& (c.b <= 0x00ff || c.b >= 0xff00))
767	if ((c.r > 0x000700 || c.g > 0x000700 || c.b > 0x000700)	959	flags |= rxvt_term::BG_TINT_BITAND;
768	&& (c.r < 0x00f700 || c.g < 0x00f700 || c.b < 0x00f700))
769	{
770	flags |= bgPixmap_t::tintNeeded;
771	}	960	}
772	}
773		961
774	if (flags & bgPixmap_t::tintNeeded)	962	if (has_shade || tint)
775	{	963	flags |= rxvt_term::BG_NEEDS_TINT;
776	if (flags & bgPixmap_t::tintWholesome)
777	flags |= bgPixmap_t::tintServerSide;
778	else
779	{
780	#if XFT
781	flags |= bgPixmap_t::tintServerSide;
782	#endif
783	}
784	}
785		964
786	return flags;	965	return flags;
787	}	966	}
788		967
789	bool	968	bool
790	bgPixmap_t::set_tint (rxvt_color &new_tint)	969	rxvt_term::bg_set_tint (rxvt_color &new_tint)
791	{	970	{
792	if (tint != new_tint)	971	if (!(bg_flags & BG_TINT_SET) || tint != new_tint)
793	{	972	{
794	unsigned long new_flags = compute_tint_shade_flags (&new_tint, shade);	973	unsigned long new_flags = compute_tint_shade_flags (&new_tint, shade);
795	tint = new_tint;	974	tint = new_tint;
796	flags = (flags & ~tintFlags) | new_flags | tintSet;	975	bg_flags = (bg_flags & ~BG_TINT_FLAGS) | new_flags | BG_TINT_SET;
797	return true;	976	return true;
798	}	977	}
799		978
800	return false;	979	return false;
801	}	980	}
802		981
803	bool	982	bool
804	bgPixmap_t::unset_tint ()	983	rxvt_term::bg_set_shade (const char *shade_str)
805	{	984	{
		985	int new_shade = (shade_str) ? atoi (shade_str) : 100;
		986
		987	clamp_it (new_shade, -100, 200);
		988	if (new_shade < 0)
		989	new_shade = 200 - (100 + new_shade);
		990
		991	if (new_shade != shade)
		992	{
806	unsigned long new_flags = compute_tint_shade_flags (NULL, shade);	993	unsigned long new_flags = compute_tint_shade_flags ((bg_flags & BG_TINT_SET) ? &tint : NULL, new_shade);
807		994	shade = new_shade;
808	if (new_flags != (flags & tintFlags))	995	bg_flags = (bg_flags & ~BG_TINT_FLAGS) | new_flags;
809	{
810	flags = (flags&~tintFlags)|new_flags;
811	return true;	996	return true;
812	}	997	}
813		998
814	return false;	999	return false;
815	}	1000	}
816		1001
		1002	#if XRENDER
		1003	static void
		1004	get_gaussian_kernel (int radius, int width, double *kernel, XFixed *params)
		1005	{
		1006	double sigma = radius / 2.0;
		1007	double scale = sqrt (2.0 * M_PI) * sigma;
		1008	double sum = 0.0;
		1009
		1010	for (int i = 0; i < width; i++)
		1011	{
		1012	double x = i - width / 2;
		1013	kernel[i] = exp (-(x * x) / (2.0 * sigma * sigma)) / scale;
		1014	sum += kernel[i];
		1015	}
		1016
		1017	params[0] = XDoubleToFixed (width);
		1018	params[1] = XDoubleToFixed (1);
		1019
		1020	for (int i = 0; i < width; i++)
		1021	params[i+2] = XDoubleToFixed (kernel[i] / sum);
		1022	}
		1023	#endif
		1024
817	bool	1025	bool
818	bgPixmap_t::set_shade (const char *shade_str)	1026	rxvt_term::blur_pixmap (Pixmap pixmap, Visual *visual, int width, int height)
819	{	1027	{
820	int new_shade = (shade_str) ? atoi (shade_str) : 0;	1028	bool ret = false;
		1029	#if XRENDER
		1030	int size = max (h_blurRadius, v_blurRadius) * 2 + 1;
		1031	double *kernel = (double *)malloc (size * sizeof (double));
		1032	XFixed *params = (XFixed *)malloc ((size + 2) * sizeof (XFixed));
821		1033
822	if (new_shade < 0 && new_shade > -100)	1034	XRenderPictureAttributes pa;
823	new_shade = 200 - (100 + new_shade);	1035	XRenderPictFormat *format = XRenderFindVisualFormat (dpy, visual);
824	else if (new_shade == 100)
825	new_shade = 0;
826		1036
827	if (new_shade != shade)	1037	Picture src = XRenderCreatePicture (dpy, pixmap, format, 0, &pa);
		1038	Picture dst = XRenderCreatePicture (dpy, pixmap, format, 0, &pa);
		1039
		1040	if (kernel && params && src && dst)
828	{	1041	{
829	unsigned long new_flags = compute_tint_shade_flags ((flags & tintSet) ? &tint : NULL, new_shade);	1042	if (h_blurRadius)
830	shade = new_shade;	1043	{
831	flags = (flags & (~tintFlags | tintSet)) | new_flags;	1044	size = h_blurRadius * 2 + 1;
		1045	get_gaussian_kernel (h_blurRadius, size, kernel, params);
		1046
		1047	XRenderSetPictureFilter (dpy, src, FilterConvolution, params, size+2);
		1048	XRenderComposite (dpy,
		1049	PictOpSrc,
		1050	src,
		1051	None,
		1052	dst,
		1053	0, 0,
		1054	0, 0,
		1055	0, 0,
		1056	width, height);
		1057	}
		1058
		1059	if (v_blurRadius)
		1060	{
		1061	size = v_blurRadius * 2 + 1;
		1062	get_gaussian_kernel (v_blurRadius, size, kernel, params);
		1063	::swap (params[0], params[1]);
		1064
		1065	XRenderSetPictureFilter (dpy, src, FilterConvolution, params, size+2);
		1066	XRenderComposite (dpy,
		1067	PictOpSrc,
		1068	src,
		1069	None,
		1070	dst,
		1071	0, 0,
		1072	0, 0,
		1073	0, 0,
		1074	width, height);
		1075	}
		1076
832	return true;	1077	ret = true;
		1078	}
		1079
		1080	free (kernel);
		1081	free (params);
		1082	XRenderFreePicture (dpy, src);
		1083	XRenderFreePicture (dpy, dst);
		1084	#endif
		1085	return ret;
		1086	}
		1087
		1088	bool
		1089	rxvt_term::tint_pixmap (Pixmap pixmap, Visual *visual, int width, int height)
		1090	{
		1091	bool ret = false;
		1092
		1093	if (bg_flags & BG_TINT_BITAND)
833	}	1094	{
		1095	XGCValues gcv;
		1096	GC gc;
834		1097
		1098	/* In this case we can tint image server-side getting significant
		1099	* performance improvements, as we eliminate XImage transfer
		1100	*/
		1101	gcv.foreground = Pixel (tint);
		1102	gcv.function = GXand;
		1103	gcv.fill_style = FillSolid;
		1104	gc = XCreateGC (dpy, pixmap, GCFillStyle | GCForeground | GCFunction, &gcv);
		1105	if (gc)
		1106	{
		1107	XFillRectangle (dpy, pixmap, gc, 0, 0, width, height);
		1108	ret = true;
		1109	XFreeGC (dpy, gc);
		1110	}
		1111	}
		1112	else
		1113	{
		1114	# if XRENDER
		1115	rgba c (rgba::MAX_CC,rgba::MAX_CC,rgba::MAX_CC);
		1116
		1117	if (bg_flags & BG_TINT_SET)
		1118	tint.get (c);
		1119
		1120	if (shade <= 100)
		1121	{
		1122	c.r = (c.r * shade) / 100;
		1123	c.g = (c.g * shade) / 100;
		1124	c.b = (c.b * shade) / 100;
		1125	}
		1126	else
		1127	{
		1128	c.r = (c.r * (200 - shade)) / 100;
		1129	c.g = (c.g * (200 - shade)) / 100;
		1130	c.b = (c.b * (200 - shade)) / 100;
		1131	}
		1132
		1133	XRenderPictFormat *solid_format = XRenderFindStandardFormat (dpy, PictStandardARGB32);
		1134	XRenderPictFormat *format = XRenderFindVisualFormat (dpy, visual);
		1135	XRenderPictureAttributes pa;
		1136
		1137	Picture back_pic = XRenderCreatePicture (dpy, pixmap, format, 0, &pa);
		1138
		1139	pa.repeat = True;
		1140
		1141	Pixmap overlay_pmap = XCreatePixmap (dpy, pixmap, 1, 1, 32);
		1142	Picture overlay_pic = XRenderCreatePicture (dpy, overlay_pmap, solid_format, CPRepeat, &pa);
		1143	XFreePixmap (dpy, overlay_pmap);
		1144
		1145	pa.component_alpha = True;
		1146	Pixmap mask_pmap = XCreatePixmap (dpy, pixmap, 1, 1, 32);
		1147	Picture mask_pic = XRenderCreatePicture (dpy, mask_pmap, solid_format, CPRepeat|CPComponentAlpha, &pa);
		1148	XFreePixmap (dpy, mask_pmap);
		1149
		1150	if (mask_pic && overlay_pic && back_pic)
		1151	{
		1152	XRenderColor mask_c;
		1153
		1154	mask_c.red = mask_c.green = mask_c.blue = 0;
		1155	mask_c.alpha = 0xffff;
		1156	XRenderFillRectangle (dpy, PictOpSrc, overlay_pic, &mask_c, 0, 0, 1, 1);
		1157
		1158	mask_c.alpha = 0;
		1159	mask_c.red = 0xffff - c.r;
		1160	mask_c.green = 0xffff - c.g;
		1161	mask_c.blue = 0xffff - c.b;
		1162	XRenderFillRectangle (dpy, PictOpSrc, mask_pic, &mask_c, 0, 0, 1, 1);
		1163	XRenderComposite (dpy, PictOpOver, overlay_pic, mask_pic, back_pic, 0, 0, 0, 0, 0, 0, width, height);
		1164
		1165	if (shade > 100)
		1166	{
		1167	mask_c.red = mask_c.green = mask_c.blue = 0xffff * (shade - 100) / 100;
		1168	mask_c.alpha = 0;
		1169	XRenderFillRectangle (dpy, PictOpSrc, overlay_pic, &mask_c, 0, 0, 1, 1);
		1170
		1171	XRenderComposite (dpy, PictOpOver, overlay_pic, None, back_pic, 0, 0, 0, 0, 0, 0, width, height);
		1172	}
		1173
		1174	ret = true;
		1175	}
		1176
		1177	XRenderFreePicture (dpy, mask_pic);
		1178	XRenderFreePicture (dpy, overlay_pic);
		1179	XRenderFreePicture (dpy, back_pic);
		1180	# endif
		1181	}
		1182
835	return false;	1183	return ret;
836	}	1184	}
837		1185
838	/* make_transparency_pixmap()	1186	/* make_transparency_pixmap()
839	* Builds a pixmap sized the same as terminal window, with depth same as the root window	1187	* Builds a pixmap of the same size as the terminal window that contains
840	* that pixmap contains tiled portion of the root pixmap that is supposed to be covered by	1188	* the tiled portion of the root pixmap that is supposed to be covered by
841	* our window.	1189	* our window.
842	*/	1190	*/
843	unsigned long	1191	unsigned long
844	bgPixmap_t::make_transparency_pixmap ()	1192	rxvt_term::make_transparency_pixmap ()
845	{	1193	{
846	unsigned long result = 0;	1194	unsigned long result = 0;
847		1195
848	if (target == NULL)
849	return 0;
850
851	/* root dimentions may change from call to call - but Display structure should	1196	/* root dimensions may change from call to call - but Display structure should
852	* be always up-to-date, so let's use it :	1197	* be always up-to-date, so let's use it :
853	*/	1198	*/
854	Window root = target->display->root;
855	int screen = target->display->screen;	1199	int screen = display->screen;
856	Display *dpy = target->dpy;	1200	int root_depth = DefaultDepth (dpy, screen);
857	int root_width = DisplayWidth (dpy, screen);	1201	int root_width = DisplayWidth (dpy, screen);
858	int root_height = DisplayHeight (dpy, screen);	1202	int root_height = DisplayHeight (dpy, screen);
859	unsigned int root_pmap_width, root_pmap_height;	1203	unsigned int root_pmap_width, root_pmap_height;
860	int window_width = target->szHint.width;	1204	int window_width = szHint.width;
861	int window_height = target->szHint.height;	1205	int window_height = szHint.height;
862	int sx, sy;	1206	int sx, sy;
863	XGCValues gcv;	1207	XGCValues gcv;
		1208	GC gc;
864		1209
865	TIMING_TEST_START (tp);	1210	sx = target_x;
866	target->get_window_origin (sx, sy);	1211	sy = target_y;
867		1212
868	/* check if we are outside of the visible part of the virtual screen : */	1213	/* check if we are outside of the visible part of the virtual screen : */
869	if (sx + window_width <= 0 || sy + window_height <= 0	1214	if (sx + window_width <= 0 || sy + window_height <= 0
870	|| sx >= root_width || sy >= root_height)	1215	|| sx >= root_width || sy >= root_height)
871	return 0;	1216	return 0;
872		1217
		1218	// validate root pixmap and get its size
873	if (root_pixmap != None)	1219	if (root_pixmap != None)
874	{	1220	{
875	/* we want to validate the pixmap and get it's size at the same time : */	1221	Window wdummy;
876	int junk;	1222	int idummy;
877	unsigned int ujunk;	1223	unsigned int udummy;
878	/* root pixmap may be bad - allow a error */	1224
879	target->allowedxerror = -1;	1225	allowedxerror = -1;
880		1226
881	if (!XGetGeometry (dpy, root_pixmap, &root, &junk, &junk, &root_pmap_width, &root_pmap_height, &ujunk, &ujunk))	1227	if (!XGetGeometry (dpy, root_pixmap, &wdummy, &idummy, &idummy, &root_pmap_width, &root_pmap_height, &udummy, &udummy))
882	root_pixmap = None;	1228	root_pixmap = None;
883		1229
884	target->allowedxerror = 0;	1230	allowedxerror = 0;
		1231	}
		1232
		1233	Pixmap recoded_root_pmap = root_pixmap;
		1234
		1235	if (root_pixmap != None && root_depth != depth)
885	}	1236	{
		1237	#if XRENDER
		1238	if (bg_flags & BG_HAS_RENDER)
		1239	{
		1240	XRenderPictureAttributes pa;
886		1241
887	Pixmap tiled_root_pmap = XCreatePixmap (dpy, root, window_width, window_height, root_depth);	1242	XRenderPictFormat *src_format = XRenderFindVisualFormat (dpy, DefaultVisual (dpy, screen));
888	GC gc = NULL;	1243	Picture src = XRenderCreatePicture (dpy, root_pixmap, src_format, 0, &pa);
889		1244
890	if (tiled_root_pmap == None) /* something really bad happened - abort */	1245	recoded_root_pmap = XCreatePixmap (dpy, vt, root_pmap_width, root_pmap_height, depth);
		1246	XRenderPictFormat *dst_format = XRenderFindVisualFormat (dpy, visual);
		1247	Picture dst = XRenderCreatePicture (dpy, recoded_root_pmap, dst_format, 0, &pa);
		1248
		1249	if (src && dst)
		1250	XRenderComposite (dpy, PictOpSrc, src, None, dst, 0, 0, 0, 0, 0, 0, root_pmap_width, root_pmap_height);
		1251	else
		1252	{
		1253	XFreePixmap (dpy, recoded_root_pmap);
		1254	root_pixmap = None;
		1255	}
		1256
		1257	XRenderFreePicture (dpy, src);
		1258	XRenderFreePicture (dpy, dst);
		1259	}
		1260	else
		1261	#endif
		1262	root_pixmap = None;
		1263	}
		1264
		1265	if (root_pixmap == None)
891	return 0;	1266	return 0;
892		1267
		1268	if (bg_pixmap == None
		1269	|| bg_pmap_width != window_width
		1270	|| bg_pmap_height != window_height)
		1271	{
		1272	if (bg_pixmap)
		1273	XFreePixmap (dpy, bg_pixmap);
		1274	bg_pixmap = XCreatePixmap (dpy, vt, window_width, window_height, depth);
		1275	bg_pmap_width = window_width;
		1276	bg_pmap_height = window_height;
		1277	}
		1278
893	if (root_pixmap == None)	1279	if (bg_pixmap == None)
894	{	1280	return 0;
895	/* use tricks to obtain the root background image :*/
896	/* we want to create Overrideredirect window overlapping out window
897	with background type of Parent Relative and then grab it */
898	XSetWindowAttributes attr;
899	Window src;
900	bool success = false;
901		1281
902	attr.background_pixmap = ParentRelative;
903	attr.backing_store = Always;
904	attr.event_mask = ExposureMask;
905	attr.override_redirect = True;
906	src = XCreateWindow (dpy, root, sx, sy, window_width, window_height, 0,
907	CopyFromParent, CopyFromParent, CopyFromParent,
908	CWBackPixmap|CWBackingStore|CWOverrideRedirect|CWEventMask,
909	&attr);
910
911	if (src != None)
912	{
913	XEvent event;
914	int ev_count = 0;
915	XGrabServer (dpy);
916	XMapRaised (dpy, src);
917	XSync (dpy, False);
918
919	/* XSync should get window where it's properly exposed,
920	* but to be on the safe side - let's check for the actual event to arrive : */
921	while (XCheckWindowEvent (dpy, src, ExposureMask, &event))
922	++ev_count;
923
924	if (ev_count > 0);
925	{
926	/* hooray! - we can grab the image! */
927	gc = XCreateGC (dpy, root, 0, NULL);
928	if (gc)
929	{
930	XCopyArea (dpy, src, tiled_root_pmap, gc, 0, 0, window_width, window_height, 0, 0);
931	success = true;
932	}
933	}
934
935	XDestroyWindow (dpy, src);
936	XUngrabServer (dpy);
937	//fprintf (stderr, "%s:%d: ev_count = %d\n", __FUNCTION__, __LINE__, ev_count);
938	}
939
940	if (!success)
941	{
942	XFreePixmap (dpy, tiled_root_pmap);
943	tiled_root_pmap = None;
944	}
945	else
946	result |= transpPmapTiled;
947	}
948	else
949	{
950	/* strightforward pixmap copy */	1282	/* straightforward pixmap copy */
951	gcv.tile = root_pixmap;
952	gcv.fill_style = FillTiled;
953
954	while (sx < 0) sx += (int)root_width;	1283	while (sx < 0) sx += (int)root_width;
955	while (sy < 0) sy += (int)root_height;	1284	while (sy < 0) sy += (int)root_height;
956		1285
		1286	gcv.tile = recoded_root_pmap;
		1287	gcv.fill_style = FillTiled;
957	gcv.ts_x_origin = -sx;	1288	gcv.ts_x_origin = -sx;
958	gcv.ts_y_origin = -sy;	1289	gcv.ts_y_origin = -sy;
959	gc = XCreateGC (dpy, root, GCFillStyle | GCTile | GCTileStipXOrigin | GCTileStipYOrigin, &gcv);	1290	gc = XCreateGC (dpy, vt, GCFillStyle | GCTile | GCTileStipXOrigin | GCTileStipYOrigin, &gcv);
		1291
		1292	if (gc)
		1293	{
		1294	XFillRectangle (dpy, bg_pixmap, gc, 0, 0, window_width, window_height);
		1295	result |= BG_IS_VALID | (bg_flags & BG_EFFECTS_FLAGS);
		1296	XFreeGC (dpy, gc);
		1297
		1298	if (!(bg_flags & BG_CLIENT_RENDER))
		1299	{
		1300	if ((bg_flags & BG_NEEDS_BLUR)
		1301	&& (bg_flags & BG_HAS_RENDER_CONV))
		1302	{
		1303	if (blur_pixmap (bg_pixmap, visual, window_width, window_height))
		1304	result &= ~BG_NEEDS_BLUR;
		1305	}
		1306	if ((bg_flags & BG_NEEDS_TINT)
		1307	&& (bg_flags & (BG_TINT_BITAND | BG_HAS_RENDER)))
		1308	{
		1309	if (tint_pixmap (bg_pixmap, visual, window_width, window_height))
		1310	result &= ~BG_NEEDS_TINT;
		1311	}
		1312	} /* server side rendering completed */
		1313	}
		1314
		1315	if (recoded_root_pmap != root_pixmap)
		1316	XFreePixmap (dpy, recoded_root_pmap);
		1317
		1318	return result;
		1319	}
		1320
		1321	void
		1322	rxvt_term::bg_set_root_pixmap ()
		1323	{
		1324	Pixmap new_root_pixmap = get_pixmap_property (xa[XA_XROOTPMAP_ID]);
		1325	if (new_root_pixmap == None)
		1326	new_root_pixmap = get_pixmap_property (xa[XA_ESETROOT_PMAP_ID]);
		1327
		1328	root_pixmap = new_root_pixmap;
		1329	}
		1330	# endif /* ENABLE_TRANSPARENCY */
		1331
		1332	#if defined(ENABLE_TRANSPARENCY) && !defined(HAVE_AFTERIMAGE)
		1333	static void shade_ximage (Visual *visual, XImage *ximage, int shade, const rgba &c);
		1334	# endif
		1335
		1336	bool
		1337	rxvt_term::bg_render ()
		1338	{
		1339	unsigned long tr_flags = 0;
		1340
		1341	bg_invalidate ();
		1342	# ifdef ENABLE_TRANSPARENCY
		1343	if (bg_flags & BG_IS_TRANSPARENT)
		1344	{
		1345	/* we need to re-generate transparency pixmap in that case ! */
		1346	tr_flags = make_transparency_pixmap ();
		1347	if (tr_flags == 0)
		1348	return false;
		1349	else if (!(tr_flags & BG_EFFECTS_FLAGS))
		1350	bg_flags |= BG_IS_VALID;
		1351	}
		1352	# endif
		1353
		1354	# ifdef BG_IMAGE_FROM_FILE
		1355	if (have_image
		1356	|| (tr_flags & BG_EFFECTS_FLAGS))
		1357	{
		1358	if (render_image (tr_flags))
		1359	bg_flags |= BG_IS_VALID;
		1360	}
		1361	# endif
		1362
		1363	# if defined(ENABLE_TRANSPARENCY) && !defined(HAVE_AFTERIMAGE)
		1364	XImage *result = NULL;
		1365
		1366	if (tr_flags && !(bg_flags & BG_IS_VALID))
		1367	{
		1368	result = XGetImage (dpy, bg_pixmap, 0, 0, bg_pmap_width, bg_pmap_height, AllPlanes, ZPixmap);
		1369	}
		1370
		1371	if (result)
		1372	{
		1373	/* our own client-side tinting */
		1374	if (tr_flags & BG_NEEDS_TINT)
		1375	{
		1376	rgba c (rgba::MAX_CC,rgba::MAX_CC,rgba::MAX_CC);
		1377	if (bg_flags & BG_TINT_SET)
		1378	tint.get (c);
		1379	shade_ximage (DefaultVisual (dpy, display->screen), result, shade, c);
		1380	}
		1381
		1382	GC gc = XCreateGC (dpy, vt, 0UL, NULL);
960		1383
961	if (gc)	1384	if (gc)
962	{	1385	{
963	XFillRectangle (dpy, tiled_root_pmap, gc, 0, 0, window_width, window_height);	1386	XPutImage (dpy, bg_pixmap, gc, result, 0, 0, 0, 0, result->width, result->height);
964	result |= transpPmapTiled;
965	}
966	}
967	TIMING_TEST_PRINT_RESULT (tp);
968		1387
969	if (tiled_root_pmap != None)	1388	XFreeGC (dpy, gc);
970	{	1389	bg_flags |= BG_IS_VALID;
971	if (!need_client_side_rendering ())
972	{	1390	}
973	if ((flags & tintNeeded))
974	{
975	if (flags & tintWholesome)
976	{
977	/* In this case we can tint image server-side getting significant
978	* performance improvements, as we eliminate XImage transfer
979	*/
980	gcv.foreground = Pixel (tint);
981	gcv.function = GXand;
982	gcv.fill_style = FillSolid;
983	if (gc)
984	XChangeGC (dpy, gc, GCFillStyle | GCForeground | GCFunction, &gcv);
985	else
986	gc = XCreateGC (dpy, root, GCFillStyle | GCForeground | GCFunction, &gcv);
987	if (gc)
988	{
989	XFillRectangle (dpy, tiled_root_pmap, gc, 0, 0, window_width, window_height);
990	result |= transpPmapTinted;
991	}
992	}
993	else
994	{
995	# if XFT
996	Picture back_pic = 0;
997	rgba c (rgba::MAX_CC,rgba::MAX_CC,rgba::MAX_CC);
998		1391
999	if (flags & tintSet)	1392	XDestroyImage (result);
1000	tint.get (c);
1001
1002	if (shade > 0 && shade < 100)
1003	{
1004	c.r = (c.r * shade) / 100;
1005	c.g = (c.g * shade) / 100;
1006	c.b = (c.b * shade) / 100;
1007	}
1008	else if (shade > 100 && shade < 200)
1009	{
1010	c.r = (c.r * (200 - shade)) / 100;
1011	c.g = (c.g * (200 - shade)) / 100;
1012	c.b = (c.b * (200 - shade)) / 100;
1013	}
1014
1015	XRenderPictFormat pf;
1016	pf.type = PictTypeDirect;
1017	pf.depth = 32;
1018	pf.direct.redMask = 0xff;
1019	pf.direct.greenMask = 0xff;
1020	pf.direct.blueMask = 0xff;
1021	pf.direct.alphaMask = 0xff;
1022
1023	XRenderPictFormat *solid_format = XRenderFindFormat (dpy,
1024	(PictFormatType|
1025	PictFormatDepth|
1026	PictFormatRedMask|
1027	PictFormatGreenMask|
1028	PictFormatBlueMask|
1029	PictFormatAlphaMask),
1030	&pf,
1031	0);
1032	XRenderPictFormat *root_format = XRenderFindVisualFormat (dpy, DefaultVisualOfScreen (ScreenOfDisplay (dpy, target->display->screen)));
1033	XRenderPictureAttributes pa ;
1034
1035	back_pic = XRenderCreatePicture (dpy, tiled_root_pmap, root_format, 0, &pa);
1036
1037	pa.repeat = True;
1038
1039	Pixmap overlay_pmap = XCreatePixmap (dpy, root, 1, 1, 32);
1040	Picture overlay_pic = XRenderCreatePicture (dpy, overlay_pmap, solid_format, CPRepeat, &pa);
1041	XFreePixmap (dpy, overlay_pmap);
1042
1043	pa.component_alpha = True;
1044	Pixmap mask_pmap = XCreatePixmap (dpy, root, 1, 1, 32);
1045	Picture mask_pic = XRenderCreatePicture (dpy, mask_pmap, solid_format, CPRepeat|CPComponentAlpha, &pa);
1046	XFreePixmap (dpy, mask_pmap);
1047
1048	if (mask_pic && overlay_pic && back_pic)
1049	{
1050	XRenderColor mask_c;
1051
1052	memset (&mask_c, (shade > 100) ? 0xFF : 0x0, sizeof (mask_c));
1053	mask_c.alpha = 0xffff;
1054	XRenderFillRectangle (dpy, PictOpSrc, overlay_pic, &mask_c, 0, 0, 1, 1);
1055
1056	mask_c.alpha = 0;
1057	mask_c.red = 0xffff - c.r;
1058	mask_c.green = 0xffff - c.g;
1059	mask_c.blue = 0xffff - c.b;
1060	XRenderFillRectangle (dpy, PictOpSrc, mask_pic, &mask_c, 0, 0, 1, 1);
1061	XRenderComposite (dpy, PictOpOver, overlay_pic, mask_pic, back_pic, 0, 0, 0, 0, 0, 0, window_width, window_height);
1062	result |= transpPmapTinted;
1063	}
1064
1065	XRenderFreePicture (dpy, mask_pic);
1066	XRenderFreePicture (dpy, overlay_pic);
1067	XRenderFreePicture (dpy, back_pic);
1068	# if DO_TIMING_TEST
1069	XSync (dpy, False);
1070	# endif
1071	# endif
1072	}
1073	}
1074	} /* server side rendering completed */
1075
1076	if (pixmap)
1077	XFreePixmap (dpy, pixmap);
1078
1079	pixmap = tiled_root_pmap;
1080	pmap_width = window_width;
1081	pmap_height = window_height;
1082	pmap_depth = root_depth;
1083	}
1084
1085	if (gc)
1086	XFreeGC (dpy, gc);
1087
1088	TIMING_TEST_PRINT_RESULT (tp);
1089
1090	return result;
1091	}
1092
1093	bool
1094	bgPixmap_t::set_root_pixmap ()
1095	{
1096	Pixmap new_root_pixmap = target->get_pixmap_property (XA_XROOTPMAP_ID);
1097	if (new_root_pixmap == None)
1098	new_root_pixmap = target->get_pixmap_property (XA_ESETROOT_PMAP_ID);
1099
1100	if (new_root_pixmap != root_pixmap)
1101	{	1393	}
1102	root_pixmap = new_root_pixmap;
1103	return true;
1104	}
1105
1106	return false;
1107	}
1108	# endif /* ENABLE_TRANSPARENCY */
1109
1110	# ifndef HAVE_AFTERIMAGE
1111	static void ShadeXImage(rxvt_term *term, XImage* srcImage, int shade, int rm, int gm, int bm);
1112	# endif	1394	# endif
1113		1395
1114	bool	1396	if (!(bg_flags & BG_IS_VALID))
1115	bgPixmap_t::render ()
1116	{
1117	unsigned long background_flags = 0;
1118
1119	if (target == NULL)
1120	return false;
1121
1122	TIMING_TEST_START (tp);
1123
1124	invalidate();
1125	# ifdef ENABLE_TRANSPARENCY
1126	if (flags & isTransparent)
1127	{
1128	/* we need to re-generate transparency pixmap in that case ! */
1129	background_flags = make_transparency_pixmap ();
1130	if (background_flags == 0)
1131	return false;
1132	else if ((background_flags & transpTransformations) == (flags & transpTransformations)
1133	&& pmap_depth == target->depth)
1134	flags = flags & ~isInvalid;
1135	}	1397	{
1136	# endif
1137
1138	XImage *result = NULL;
1139	# ifdef HAVE_AFTERIMAGE
1140	if (original_asim
1141	|| (background_flags & transpTransformations) != (flags & transpTransformations))
1142	{
1143	ASImage *background = NULL;
1144	ARGB32 as_tint = TINT_LEAVE_SAME;
1145	if (background_flags)
1146	background = pixmap2ximage (target->asv, pixmap, 0, 0, pmap_width, pmap_height, AllPlanes, 100);
1147
1148	# ifdef ENABLE_TRANSPARENCY
1149	if (!(background_flags & transpPmapTinted) && (flags & tintNeeded))
1150	{
1151	ShadingInfo as_shade;
1152	as_shade.shading = (shade == 0) ? 100 : shade;
1153
1154	rgba c (rgba::MAX_CC,rgba::MAX_CC,rgba::MAX_CC);
1155	if (flags & tintSet)
1156	tint.get (c);
1157	as_shade.tintColor.red = c.r;
1158	as_shade.tintColor.green = c.g;
1159	as_shade.tintColor.blue = c.b;
1160
1161	as_tint = shading2tint32 (&as_shade);
1162	}
1163	if (!(background_flags & transpPmapBlured) && (flags & blurNeeded) && background != NULL)
1164	{
1165	ASImage* tmp = blur_asimage_gauss (target->asv, background, h_blurRadius, v_blurRadius, 0xFFFFFFFF,
1166	(original_asim == NULL || tint == TINT_LEAVE_SAME)?ASA_XImage:ASA_ASImage,
1167	100, ASIMAGE_QUALITY_DEFAULT);
1168	if (tmp)
1169	{
1170	destroy_asimage (&background);
1171	background = tmp;
1172	}
1173	}
1174	# endif
1175
1176	if (render_asim (background, as_tint))
1177	flags = flags & ~isInvalid;
1178	if (background)
1179	destroy_asimage (&background);
1180	}
1181	else if (background_flags && pmap_depth != target->depth)
1182	{
1183	result = XGetImage (target->dpy, pixmap, 0, 0, pmap_width, pmap_height, AllPlanes, ZPixmap);
1184	}
1185
1186	# elif !XFT /* our own client-side tinting */
1187
1188	/* ATTENTION: We ASSUME that XFT will let us do all the tinting neccessary server-side.
1189	This may need to be changed in need_client_side_rendering() logic is altered !!! */
1190
1191	if (background_flags && (flags & isInvalid))
1192	{
1193	result = XGetImage (target->dpy, pixmap, 0, 0, pmap_width, pmap_height, AllPlanes, ZPixmap);
1194	if (result != NULL && !(background_flags & transpPmapTinted) && (flags & tintNeeded))
1195	{
1196	rgba c (rgba::MAX_CC,rgba::MAX_CC,rgba::MAX_CC);
1197	if (flags & tintSet)
1198	tint.get (c);
1199	ShadeXImage (target, result, shade, c.r, c.g, c.b);
1200	}
1201	}
1202	# endif /* HAVE_AFTERIMAGE */
1203
1204	if (result)
1205	{
1206	GC gc = XCreateGC (target->dpy, target->vt, 0UL, NULL);
1207
1208	if (gc)
1209	{
1210	if (/*pmap_depth != target->depth &&*/ pixmap != None)
1211	{
1212	XFreePixmap (target->dpy, pixmap);
1213	pixmap = None;
1214	}
1215
1216	if (pixmap == None)
1217	{
1218	pixmap = XCreatePixmap (target->dpy, target->vt, result->width, result->height, target->depth);
1219	pmap_width = result->width;
1220	pmap_height = result->height;
1221	pmap_depth = target->depth;
1222	}
1223
1224	if (pmap_depth != result->depth)
1225	{
1226	/* Bad Match error will ensue ! stupid X !!!! */
1227	if (result->depth == 24 && pmap_depth == 32)
1228	result->depth = 32;
1229	else if (result->depth == 32 && pmap_depth == 24)
1230	result->depth = 24;
1231	else
1232	{
1233	/* TODO: implement image recoding */
1234	}
1235	}
1236
1237	if (pmap_depth == result->depth)
1238	XPutImage (target->dpy, pixmap, gc, result, 0, 0, 0, 0, result->width, result->height);
1239
1240	XFreeGC (target->dpy, gc);
1241	flags = flags & ~isInvalid;
1242	}
1243
1244	XDestroyImage (result);
1245	}
1246
1247	if (flags & isInvalid)
1248	{
1249	if (pixmap != None)	1398	if (bg_pixmap != None)
1250	{	1399	{
1251	XFreePixmap (target->dpy, pixmap);	1400	XFreePixmap (dpy, bg_pixmap);
1252	pixmap = None;	1401	bg_pixmap = None;
1253	}	1402	}
1254	}	1403	}
1255		1404
1256	apply ();	1405	scr_recolour (false);
		1406	bg_flags |= BG_NEEDS_REFRESH;
1257		1407
1258	XSync (target->dpy, False);
1259	valid_since = ev::now ();	1408	bg_valid_since = ev::now ();
1260
1261	TIMING_TEST_PRINT_RESULT (tp);
1262		1409
1263	return true;	1410	return true;
1264	}	1411	}
1265		1412
1266	bool
1267	bgPixmap_t::set_target (rxvt_term *new_target)
1268	{
1269	if (new_target)
1270	if (target != new_target)
1271	{
1272	target = new_target;
1273	# ifdef ENABLE_TRANSPARENCY
1274	root_depth = DefaultDepthOfScreen (ScreenOfDisplay (target->dpy, target->display->screen));
1275	# endif
1276	return true;
1277	}
1278	return false;
1279	}
1280
1281	void	1413	void
1282	bgPixmap_t::apply ()	1414	rxvt_term::bg_init ()
1283	{	1415	{
1284	if (target)
1285	{
1286	flags &= ~isVtOrigin;
1287	if (pixmap != None)
1288	{
1289	/* set target's background to pixmap */
1290	# ifdef ENABLE_TRANSPARENCY	1416	#ifdef ENABLE_TRANSPARENCY
1291	if (flags & isTransparent)	1417	shade = 100;
1292	{
1293	XSetWindowBackgroundPixmap (target->dpy, target->parent[0], pixmap);
1294	XSetWindowBackgroundPixmap (target->dpy, target->vt, ParentRelative);
1295	if (target->scrollBar.win)
1296	XSetWindowBackgroundPixmap (target->dpy, target->scrollBar.win, ParentRelative);
1297	}
1298	else
1299	# endif	1418	#endif
1300	{
1301	flags |= isVtOrigin;
1302	/* force old pixmap dereference in case it was transparent before :*/
1303	XSetWindowBackground (target->dpy, target->parent[0], target->pix_colors[Color_border]);
1304	XSetWindowBackgroundPixmap (target->dpy, target->vt, pixmap);
1305	/* do we also need to set scrollbar's background here ? */
1306	if (target->scrollBar.win)
1307	XSetWindowBackground (target->dpy, target->scrollBar.win, target->pix_colors[Color_border]);
1308	}
1309	}
1310	else
1311	{
1312	/* set target background to a pixel */
1313	XSetWindowBackground (target->dpy, target->parent[0], target->pix_colors[Color_border]);
1314	XSetWindowBackground (target->dpy, target->vt, target->pix_colors[Color_bg]);
1315	/* do we also need to set scrollbar's background here ? */
1316	if (target->scrollBar.win)
1317	XSetWindowBackground (target->dpy, target->scrollBar.win, target->pix_colors[Color_border]);
1318	}
1319	/* don't want Expose on the parent or vt. It is better to use
1320	scr_touch or we get a great deal of flicker otherwise: */
1321	XClearWindow (target->dpy, target->parent[0]);
1322		1419
1323	if (target->scrollBar.win)	1420	bg_flags &= ~(BG_HAS_RENDER | BG_HAS_RENDER_CONV);
1324	{	1421	#if XRENDER
1325	target->scrollBar.setIdle ();	1422	int major, minor;
1326	target->scrollbar_show (0);	1423	if (XRenderQueryVersion (dpy, &major, &minor))
1327	}	1424	bg_flags |= BG_HAS_RENDER;
1328		1425	XFilters *filters = XRenderQueryFilters (dpy, vt);
1329	target->want_refresh = 1;	1426	if (filters)
1330	flags |= hasChanged;
1331	}	1427	{
		1428	for (int i = 0; i < filters->nfilter; i++)
		1429	if (!strcmp (filters->filter[i], FilterConvolution))
		1430	bg_flags |= BG_HAS_RENDER_CONV;
		1431
		1432	XFree (filters);
		1433	}
		1434	#endif
1332	}	1435	}
1333		1436
1334	#endif /* HAVE_BG_PIXMAP */	1437	#endif /* HAVE_BG_PIXMAP */
1335		1438
1336	#if defined(ENABLE_TRANSPARENCY) && !defined(HAVE_AFTERIMAGE) && !XFT	1439	#if defined(ENABLE_TRANSPARENCY) && !defined(HAVE_AFTERIMAGE)
1337	/* taken from aterm-0.4.2 */	1440	/* taken from aterm-0.4.2 */
1338		1441
1339	typedef uint32_t RUINT32T;
1340
1341	static void	1442	static void
1342	ShadeXImage(rxvt_term *term, XImage* srcImage, int shade, int rm, int gm, int bm)	1443	shade_ximage (Visual *visual, XImage *ximage, int shade, const rgba &c)
1343	{	1444	{
1344	int sh_r, sh_g, sh_b;	1445	int sh_r, sh_g, sh_b;
1345	RUINT32T mask_r, mask_g, mask_b;	1446	uint32_t mask_r, mask_g, mask_b;
1346	RUINT32T *lookup, *lookup_r, *lookup_g, *lookup_b;	1447	uint32_t *lookup, *lookup_r, *lookup_g, *lookup_b;
1347	unsigned int lower_lim_r, lower_lim_g, lower_lim_b;	1448	rgba low;
1348	unsigned int upper_lim_r, upper_lim_g, upper_lim_b;	1449	rgba high;
1349	int i;	1450	int i;
		1451	int host_byte_order = byteorder::big_endian () ? MSBFirst : LSBFirst;
1350		1452
1351	Visual *visual = term->visual;
1352
1353	if (visual->c_class != TrueColor || srcImage->format != ZPixmap) return ;	1453	if (visual->c_class != TrueColor || ximage->format != ZPixmap) return;
1354
1355	if (shade == 0)
1356	shade = 100;
1357		1454
1358	/* for convenience */	1455	/* for convenience */
1359	mask_r = visual->red_mask;	1456	mask_r = visual->red_mask;
1360	mask_g = visual->green_mask;	1457	mask_g = visual->green_mask;
1361	mask_b = visual->blue_mask;	1458	mask_b = visual->blue_mask;
1362		1459
1363	/* boring lookup table pre-initialization */	1460	/* boring lookup table pre-initialization */
1364	switch (srcImage->bits_per_pixel) {	1461	switch (ximage->depth)
		1462	{
1365	case 15:	1463	case 15:
1366	if ((mask_r != 0x7c00) ||	1464	if ((mask_r != 0x7c00) ||
1367	(mask_g != 0x03e0) ||	1465	(mask_g != 0x03e0) ||
1368	(mask_b != 0x001f))	1466	(mask_b != 0x001f))
1369	return;	1467	return;
1370	lookup = (RUINT32T *) malloc (sizeof (RUINT32T)*(32+32+32));	1468	lookup = (uint32_t *) malloc (sizeof (uint32_t)*(32+32+32));
1371	lookup_r = lookup;	1469	lookup_r = lookup;
1372	lookup_g = lookup+32;	1470	lookup_g = lookup+32;
1373	lookup_b = lookup+32+32;	1471	lookup_b = lookup+32+32;
1374	sh_r = 10;	1472	sh_r = 10;
1375	sh_g = 5;	1473	sh_g = 5;
1376	sh_b = 0;	1474	sh_b = 0;
1377	break;	1475	break;
1378	case 16:	1476	case 16:
1379	if ((mask_r != 0xf800) ||	1477	if ((mask_r != 0xf800) ||
1380	(mask_g != 0x07e0) ||	1478	(mask_g != 0x07e0) ||
1381	(mask_b != 0x001f))	1479	(mask_b != 0x001f))
1382	return;	1480	return;
1383	lookup = (RUINT32T *) malloc (sizeof (RUINT32T)*(32+64+32));	1481	lookup = (uint32_t *) malloc (sizeof (uint32_t)*(32+64+32));
1384	lookup_r = lookup;	1482	lookup_r = lookup;
1385	lookup_g = lookup+32;	1483	lookup_g = lookup+32;
1386	lookup_b = lookup+32+64;	1484	lookup_b = lookup+32+64;
1387	sh_r = 11;	1485	sh_r = 11;
1388	sh_g = 5;	1486	sh_g = 5;
1389	sh_b = 0;	1487	sh_b = 0;
1390	break;	1488	break;
1391	case 24:	1489	case 24:
1392	if ((mask_r != 0xff0000) ||	1490	if ((mask_r != 0xff0000) ||
1393	(mask_g != 0x00ff00) ||	1491	(mask_g != 0x00ff00) ||
1394	(mask_b != 0x0000ff))	1492	(mask_b != 0x0000ff))
1395	return;	1493	return;
1396	lookup = (RUINT32T *) malloc (sizeof (RUINT32T)*(256+256+256));	1494	lookup = (uint32_t *) malloc (sizeof (uint32_t)*(256+256+256));
1397	lookup_r = lookup;	1495	lookup_r = lookup;
1398	lookup_g = lookup+256;	1496	lookup_g = lookup+256;
1399	lookup_b = lookup+256+256;	1497	lookup_b = lookup+256+256;
1400	sh_r = 16;	1498	sh_r = 16;
1401	sh_g = 8;	1499	sh_g = 8;
1402	sh_b = 0;	1500	sh_b = 0;
1403	break;	1501	break;
1404	case 32:	1502	case 32:
1405	if ((mask_r != 0xff0000) ||	1503	if ((mask_r != 0xff0000) ||
1406	(mask_g != 0x00ff00) ||	1504	(mask_g != 0x00ff00) ||
1407	(mask_b != 0x0000ff))	1505	(mask_b != 0x0000ff))
1408	return;	1506	return;
1409	lookup = (RUINT32T *) malloc (sizeof (RUINT32T)*(256+256+256));	1507	lookup = (uint32_t *) malloc (sizeof (uint32_t)*(256+256+256));
1410	lookup_r = lookup;	1508	lookup_r = lookup;
1411	lookup_g = lookup+256;	1509	lookup_g = lookup+256;
1412	lookup_b = lookup+256+256;	1510	lookup_b = lookup+256+256;
1413	sh_r = 16;	1511	sh_r = 16;
1414	sh_g = 8;	1512	sh_g = 8;
1415	sh_b = 0;	1513	sh_b = 0;
1416	break;	1514	break;
1417	default:	1515	default:
1418	return; /* we do not support this color depth */	1516	return; /* we do not support this color depth */
1419	}	1517	}
1420		1518
1421	/* prepare limits for color transformation (each channel is handled separately) */	1519	/* prepare limits for color transformation (each channel is handled separately) */
1422	if (shade < 0) {	1520	if (shade > 100)
		1521	{
1423	shade = -shade;	1522	shade = 200 - shade;
1424	if (shade < 0) shade = 0;
1425	if (shade > 100) shade = 100;
1426		1523
1427	lower_lim_r = 65535-rm;	1524	high.r = c.r * shade / 100;
1428	lower_lim_g = 65535-gm;	1525	high.g = c.g * shade / 100;
1429	lower_lim_b = 65535-bm;	1526	high.b = c.b * shade / 100;
1430		1527
1431	lower_lim_r = 65535-(unsigned int)(((RUINT32T)lower_lim_r)*((RUINT32T)shade)/100);	1528	low.r = 65535 * (100 - shade) / 100;
1432	lower_lim_g = 65535-(unsigned int)(((RUINT32T)lower_lim_g)*((RUINT32T)shade)/100);	1529	low.g = 65535 * (100 - shade) / 100;
1433	lower_lim_b = 65535-(unsigned int)(((RUINT32T)lower_lim_b)*((RUINT32T)shade)/100);	1530	low.b = 65535 * (100 - shade) / 100;
1434
1435	upper_lim_r = upper_lim_g = upper_lim_b = 65535;
1436	} else {
1437	if (shade < 0) shade = 0;
1438	if (shade > 100) shade = 100;
1439
1440	lower_lim_r = lower_lim_g = lower_lim_b = 0;
1441
1442	upper_lim_r = (unsigned int)((((RUINT32T)rm)*((RUINT32T)shade))/100);
1443	upper_lim_g = (unsigned int)((((RUINT32T)gm)*((RUINT32T)shade))/100);
1444	upper_lim_b = (unsigned int)((((RUINT32T)bm)*((RUINT32T)shade))/100);
1445	}	1531	}
1446		1532	else
1447	/* switch red and blue bytes if necessary, we need it for some weird XServers like XFree86 3.3.3.1 */
1448	if ((srcImage->bits_per_pixel == 24) && (mask_r >= 0xFF0000 ))
1449	{	1533	{
1450	unsigned int tmp;	1534	high.r = c.r * shade / 100;
		1535	high.g = c.g * shade / 100;
		1536	high.b = c.b * shade / 100;
1451		1537
1452	tmp = lower_lim_r;	1538	low.r = low.g = low.b = 0;
1453	lower_lim_r = lower_lim_b;
1454	lower_lim_b = tmp;
1455
1456	tmp = upper_lim_r;
1457	upper_lim_r = upper_lim_b;
1458	upper_lim_b = tmp;
1459	}	1539	}
1460		1540
1461	/* fill our lookup tables */	1541	/* fill our lookup tables */
1462	for (i = 0; i <= mask_r>>sh_r; i++)	1542	for (i = 0; i <= mask_r>>sh_r; i++)
1463	{	1543	{
1464	RUINT32T tmp;	1544	uint32_t tmp;
1465	tmp = ((RUINT32T)i)*((RUINT32T)(upper_lim_r-lower_lim_r));	1545	tmp = i * high.r;
1466	tmp += ((RUINT32T)(mask_r>>sh_r))*((RUINT32T)lower_lim_r);	1546	tmp += (mask_r>>sh_r) * low.r;
1467	lookup_r[i] = (tmp/65535)<<sh_r;	1547	lookup_r[i] = (tmp/65535)<<sh_r;
1468	}	1548	}
1469	for (i = 0; i <= mask_g>>sh_g; i++)	1549	for (i = 0; i <= mask_g>>sh_g; i++)
1470	{	1550	{
1471	RUINT32T tmp;	1551	uint32_t tmp;
1472	tmp = ((RUINT32T)i)*((RUINT32T)(upper_lim_g-lower_lim_g));	1552	tmp = i * high.g;
1473	tmp += ((RUINT32T)(mask_g>>sh_g))*((RUINT32T)lower_lim_g);	1553	tmp += (mask_g>>sh_g) * low.g;
1474	lookup_g[i] = (tmp/65535)<<sh_g;	1554	lookup_g[i] = (tmp/65535)<<sh_g;
1475	}	1555	}
1476	for (i = 0; i <= mask_b>>sh_b; i++)	1556	for (i = 0; i <= mask_b>>sh_b; i++)
1477	{	1557	{
1478	RUINT32T tmp;	1558	uint32_t tmp;
1479	tmp = ((RUINT32T)i)*((RUINT32T)(upper_lim_b-lower_lim_b));	1559	tmp = i * high.b;
1480	tmp += ((RUINT32T)(mask_b>>sh_b))*((RUINT32T)lower_lim_b);	1560	tmp += (mask_b>>sh_b) * low.b;
1481	lookup_b[i] = (tmp/65535)<<sh_b;	1561	lookup_b[i] = (tmp/65535)<<sh_b;
1482	}	1562	}
1483		1563
1484	/* apply table to input image (replacing colors by newly calculated ones) */	1564	/* apply table to input image (replacing colors by newly calculated ones) */
1485	switch (srcImage->bits_per_pixel)	1565	if (ximage->bits_per_pixel == 32
		1566	&& (ximage->depth == 24 || ximage->depth == 32)
		1567	&& ximage->byte_order == host_byte_order)
1486	{	1568	{
1487	case 15:
1488	{
1489	unsigned short *p1, *pf, *p, *pl;	1569	uint32_t *p1, *pf, *p, *pl;
1490	p1 = (unsigned short *) srcImage->data;	1570	p1 = (uint32_t *) ximage->data;
1491	pf = (unsigned short *) (srcImage->data + srcImage->height * srcImage->bytes_per_line);	1571	pf = (uint32_t *) (ximage->data + ximage->height * ximage->bytes_per_line);
		1572
1492	while (p1 < pf)	1573	while (p1 < pf)
1493	{	1574	{
1494	p = p1;	1575	p = p1;
1495	pl = p1 + srcImage->width;	1576	pl = p1 + ximage->width;
1496	for (; p < pl; p++)	1577	for (; p < pl; p++)
1497	{	1578	{
1498	*p = lookup_r[(*p & 0x7c00)>>10] |
1499	lookup_g[(*p & 0x03e0)>> 5] |
1500	lookup_b[(*p & 0x001f)];
1501	}
1502	p1 = (unsigned short *) ((char *) p1 + srcImage->bytes_per_line);
1503	}
1504	break;
1505	}
1506	case 16:
1507	{
1508	unsigned short *p1, *pf, *p, *pl;
1509	p1 = (unsigned short *) srcImage->data;
1510	pf = (unsigned short *) (srcImage->data + srcImage->height * srcImage->bytes_per_line);
1511	while (p1 < pf)
1512	{
1513	p = p1;
1514	pl = p1 + srcImage->width;
1515	for (; p < pl; p++)
1516	{
1517	*p = lookup_r[(*p & 0xf800)>>11] |
1518	lookup_g[(*p & 0x07e0)>> 5] |
1519	lookup_b[(*p & 0x001f)];
1520	}
1521	p1 = (unsigned short *) ((char *) p1 + srcImage->bytes_per_line);
1522	}
1523	break;
1524	}
1525	case 24:
1526	{
1527	unsigned char *p1, *pf, *p, *pl;
1528	p1 = (unsigned char *) srcImage->data;
1529	pf = (unsigned char *) (srcImage->data + srcImage->height * srcImage->bytes_per_line);
1530	while (p1 < pf)
1531	{
1532	p = p1;
1533	pl = p1 + srcImage->width * 3;
1534	for (; p < pl; p += 3)
1535	{
1536	p[0] = lookup_r[(p[0] & 0xff0000)>>16];
1537	p[1] = lookup_r[(p[1] & 0x00ff00)>> 8];
1538	p[2] = lookup_r[(p[2] & 0x0000ff)];
1539	}
1540	p1 = (unsigned char *) ((char *) p1 + srcImage->bytes_per_line);
1541	}
1542	break;
1543	}
1544	case 32:
1545	{
1546	RUINT32T *p1, *pf, *p, *pl;
1547	p1 = (RUINT32T *) srcImage->data;
1548	pf = (RUINT32T *) (srcImage->data + srcImage->height * srcImage->bytes_per_line);
1549
1550	while (p1 < pf)
1551	{
1552	p = p1;
1553	pl = p1 + srcImage->width;
1554	for (; p < pl; p++)
1555	{
1556	*p = lookup_r[(*p & 0xff0000)>>16] |	1579	*p = lookup_r[(*p & 0xff0000) >> 16] |
1557	lookup_g[(*p & 0x00ff00)>> 8] |	1580	lookup_g[(*p & 0x00ff00) >> 8] |
1558	lookup_b[(*p & 0x0000ff)] |	1581	lookup_b[(*p & 0x0000ff)] |
1559	(*p & ~0xffffff);	1582	(*p & 0xff000000);
		1583	}
		1584	p1 = (uint32_t *) ((char *) p1 + ximage->bytes_per_line);
		1585	}
		1586	}
		1587	else
		1588	{
		1589	for (int y = 0; y < ximage->height; y++)
		1590	for (int x = 0; x < ximage->width; x++)
		1591	{
		1592	unsigned long pixel = XGetPixel (ximage, x, y);
		1593	pixel = lookup_r[(pixel & mask_r) >> sh_r] |
		1594	lookup_g[(pixel & mask_g) >> sh_g] |
		1595	lookup_b[(pixel & mask_b) >> sh_b];
		1596	XPutPixel (ximage, x, y, pixel);
1560	}	1597	}
1561	p1 = (RUINT32T *) ((char *) p1 + srcImage->bytes_per_line);
1562	}	1598	}
1563	break;
1564	}
1565	}
1566		1599
1567	free (lookup);	1600	free (lookup);
1568	}	1601	}
1569	#endif /* defined(ENABLE_TRANSPARENCY) && !defined(HAVE_AFTERIMAGE) */	1602	#endif /* defined(ENABLE_TRANSPARENCY) && !defined(HAVE_AFTERIMAGE) */

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