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Comparing rxvt-unicode/src/background.C (file contents):
Revision 1.41 by sf-exg, Sat Aug 21 16:07:15 2010 UTC vs.
Revision 1.163 by sf-exg, Sat Aug 13 09:05:44 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
52	* 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
53	* colon-delimited pixmap operations.	41	* colon-delimited pixmap operations.
54	* The following table shows the valid geometry strings and their	42	* The following table shows the valid geometry strings and their
55	* effects on the background image :	43	* effects on the background image :
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
82	* the tile size and origin.
83	* propscale When scaling, scale proportionally. That is, maintain the
84	* proper aspect ratio for the image. Any portion of the
85	* background not covered by the image is filled with the
86	* current background color.
87	* hscale Scale horizontally, tile vertically ?
88	* vscale Tile horizontally, scale vertically ?
89	* scale Scale both up and down
90	* auto Same as 100x100+50+50
91	*/	51	*/
92		52
93	#ifdef HAVE_BG_PIXMAP	53	#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	h_scale = v_scale = 0;
103	h_align = v_align = 0;
104	#endif
105	flags = 0;
106	pixmap = None;
107	valid_since = invalid_since = 0;
108	target = 0;
109	}
110
111	void	54	void
112	bgPixmap_t::destroy ()	55	rxvt_term::bg_destroy ()
113	{	56	{
114	#ifdef HAVE_AFTERIMAGE	57	#ifdef HAVE_AFTERIMAGE
115	if (original_asim)	58	if (original_asim)
116	safe_asimage_destroy (original_asim);	59	safe_asimage_destroy (original_asim);
		60	if (asv)
		61	destroy_asvisual (asv, 0);
		62	if (asimman)
		63	destroy_image_manager (asimman, 0);
117	#endif	64	#endif
118		65
119	if (pixmap && target)	66	#ifdef HAVE_PIXBUF
		67	if (pixbuf)
		68	g_object_unref (pixbuf);
		69	#endif
		70
		71	if (bg_pixmap)
120	XFreePixmap (target->dpy, pixmap);	72	XFreePixmap (dpy, bg_pixmap);
121	}	73	}
122		74
123	bool	75	bool
124	bgPixmap_t::window_size_sensitive ()	76	rxvt_term::bg_set_position (int x, int y)
		77	{
		78
		79	if (target_x != x
		80	|| target_y != y)
		81	{
		82	target_x = x;
		83	target_y = y;
		84	return true;
		85	}
		86	return false;
		87	}
		88
		89	bool
		90	rxvt_term::bg_window_size_sensitive ()
125	{	91	{
126	# ifdef ENABLE_TRANSPARENCY	92	# ifdef ENABLE_TRANSPARENCY
127	if (flags & isTransparent)	93	if (bg_flags & BG_IS_TRANSPARENT)
128	return true;	94	return true;
129	# endif	95	# endif
130		96
131	# ifdef BG_IMAGE_FROM_FILE	97	# ifdef BG_IMAGE_FROM_FILE
132	# ifdef HAVE_AFTERIMAGE	98	if (bg_flags & BG_IS_FROM_FILE)
133	if (original_asim)
134	# endif
135	{	99	{
136	if (h_scale != 0 || v_scale != 0	100	if (bg_flags & BG_IS_SIZE_SENSITIVE)
137	|| h_align != 0 || v_align != 0)
138	return true;	101	return true;
139	}	102	}
140	# endif	103	# endif
141		104
142	return false;	105	return false;
143	}	106	}
144		107
145	bool	108	bool
146	bgPixmap_t::window_position_sensitive ()	109	rxvt_term::bg_window_position_sensitive ()
147	{	110	{
148	# ifdef ENABLE_TRANSPARENCY	111	# ifdef ENABLE_TRANSPARENCY
149	if (flags & isTransparent)	112	if (bg_flags & BG_IS_TRANSPARENT)
150	return true;	113	return true;
151	# endif	114	# endif
152		115
153	# ifdef BG_IMAGE_FROM_FILE	116	# ifdef BG_IMAGE_FROM_FILE
154	# ifdef HAVE_AFTERIMAGE	117	if (bg_flags & BG_IS_FROM_FILE)
155	if (original_asim)
156	# endif
157	{	118	{
158	if (h_align == rootAlign || v_align == rootAlign)	119	if (bg_flags & BG_ROOT_ALIGN)
159	return true;	120	return true;
160	}	121	}
161	# endif	122	# endif
162		123
163	return false;
164	};
165
166	bool bgPixmap_t::need_client_side_rendering ()
167	{
168	# ifdef HAVE_AFTERIMAGE
169	if (original_asim)
170	return true;
171	# endif
172	# ifdef ENABLE_TRANSPARENCY
173	if (flags & isTransparent)
174	{
175	# ifdef HAVE_AFTERIMAGE // can't blur without libAI anyways
176	if ((flags & blurNeeded) && !(flags & blurServerSide))
177	return true;
178	# endif
179	if ((flags & tintNeeded) && !(flags & tintServerSide))
180	return true;
181	}
182	# endif
183	return false;	124	return false;
184	}	125	}
185		126
186	# ifdef BG_IMAGE_FROM_FILE	127	# ifdef BG_IMAGE_FROM_FILE
187	static inline bool	128	static inline bool
…		…
203	static inline bool	144	static inline bool
204	check_set_align_value (int geom_flags, int flag, int &align, int new_value)	145	check_set_align_value (int geom_flags, int flag, int &align, int new_value)
205	{	146	{
206	if (geom_flags & flag)	147	if (geom_flags & flag)
207	{	148	{
208	if (new_value != bgPixmap_t::rootAlign)
209	{
210	if (new_value < -100)	149	if (new_value < -100)
211	new_value = -100;	150	new_value = -100;
212	else if (new_value > 200)	151	else if (new_value > 200)
213	new_value = 200;	152	new_value = 200;
214	}
215	if (new_value != align)	153	if (new_value != align)
216	{	154	{
217	align = new_value;	155	align = new_value;
218	return true;	156	return true;
219	}	157	}
…		…
223		161
224	static inline int	162	static inline int
225	make_align_position (int align, int window_size, int image_size)	163	make_align_position (int align, int window_size, int image_size)
226	{	164	{
227	int diff = window_size - image_size;	165	int diff = window_size - image_size;
228	int smaller = MIN (image_size,window_size);	166	int smaller = min (image_size, window_size);
229		167
230	if (align >= 0 && align <= 50)	168	if (align >= 0 && align <= 100)
231	return diff * align / 100;	169	return diff * align / 100;
232	else if (align > 50 && align <= 100)
233	return window_size - image_size - diff * (100 - align) / 100;
234	else if (align > 100 && align <= 200 )	170	else if (align > 100 && align <= 200)
235	return ((align - 100) * smaller / 100) + window_size - smaller;	171	return ((align - 100) * smaller / 100) + window_size - smaller;
236	else if (align > -100 && align < 0)	172	else if (align >= -100 && align < 0)
237	return ((align + 100) * smaller / 100) - image_size;	173	return ((align + 100) * smaller / 100) - image_size;
238	return 0;	174	return 0;
239	}	175	}
240		176
241	static inline int	177	static inline int
242	make_clip_rectangle (int pos, int size, int target_size, int &dst_pos, int &dst_size)	178	make_clip_rectangle (int pos, int size, int target_size, int &dst_pos, int &dst_size)
243	{	179	{
244	int src_pos = 0;	180	int src_pos = 0;
245	dst_pos = 0;	181	dst_pos = pos;
246	dst_size = size;	182	dst_size = size;
247	if (pos < 0 && size > target_size)	183	if (pos < 0)
248	{	184	{
249	src_pos = -pos;	185	src_pos = -pos;
		186	dst_pos = 0;
250	dst_size += pos;	187	dst_size += pos;
251	}	188	}
252	else if (pos > 0)
253	dst_pos = pos;
254		189
255	if (dst_pos + dst_size > target_size)	190	if (dst_pos + dst_size > target_size)
256	dst_size = target_size - dst_pos;	191	dst_size = target_size - dst_pos;
257	return src_pos;	192	return src_pos;
258	}	193	}
259		194
260	bool	195	bool
261	bgPixmap_t::set_geometry (const char *geom)	196	rxvt_term::bg_set_geometry (const char *geom, bool update)
262	{	197	{
		198	bool changed = false;
263	int geom_flags = 0, changed = 0;	199	int geom_flags = 0;
264	int x = 0, y = 0;	200	int x = 0, y = 0;
265	unsigned int w = 0, h = 0;	201	unsigned int w = 0, h = 0;
266	unsigned int n;	202	unsigned long new_flags = (bg_flags & (~BG_GEOMETRY_FLAGS));
267	unsigned long new_flags = (flags & (~geometryFlags));
268	const char *p;
269	# define MAXLEN_GEOM 256 /* could be longer than regular geometry string */
270		203
271	if (geom == NULL)	204	if (geom == NULL)
272	return false;	205	return false;
273		206
274	char str[MAXLEN_GEOM];	207	if (geom[0])
275
276	while (isspace(*geom)) ++geom;
277	if ((p = strchr (geom, ';')) == NULL)
278	p = strchr (geom, '\0');
279
280	n = (p - geom);
281	if (n < MAXLEN_GEOM)
282	{	208	{
283	char *ops;	209	char **arr = rxvt_strsplit (':', geom);
284	new_flags |= geometrySet;
285		210
286	memcpy (str, geom, n);	211	for (int i = 0; arr[i]; i++)
287	str[n] = '\0';
288	if (str[0] == ':')
289	ops = &str[0];
290	else if (str[0] != 'x' && str[0] != 'X' && isalpha(str[0]))
291	ops = &str[0];
292	else
293	{
294	char *tmp;
295	ops = strchr (str, ':');
296	if (ops != NULL)
297	{	212	{
298	for (tmp = ops-1; tmp >= str && isspace(*tmp); --tmp);	213	if (!strcasecmp (arr[i], "style=tiled"))
299	*(++tmp) = '\0';
300	if (ops == tmp) ++ops;
301	}	214	{
302	}	215	new_flags = BG_TILE;
303		216	w = h = noScale;
304	if (ops > str || ops == NULL)	217	x = y = 0;
305	{	218	geom_flags = WidthValue|HeightValue|XValue|YValue;
306	/* we have geometry string - let's handle it prior to applying ops */
307	geom_flags = XParseGeometry (str, &x, &y, &w, &h);
308
309	if ((geom_flags & XValue) && !(geom_flags & YValue))
310	{	219	}
311	y = x;	220	else if (!strcasecmp (arr[i], "style=aspect-stretched"))
312	geom_flags |= YValue;
313	}	221	{
314		222	new_flags = BG_PROP_SCALE;
315	if (flags & geometrySet)	223	x = y = centerAlign;
		224	geom_flags = XValue|YValue;
316	{	225	}
317	/* new geometry is an adjustment to the old one ! */	226	else if (!strcasecmp (arr[i], "style=stretched"))
318	if ((geom_flags & WidthValue) && (geom_flags & HeightValue))
319	{
320	if (w == 0 && h != 0)
321	{
322	w = h_scale;
323	h = (v_scale * h) / 100;
324	}
325	else if (h == 0 && w != 0)
326	{
327	w = (h_scale * w) / 100;
328	h = v_scale;
329	}
330	}
331	if (geom_flags & XValue)
332	{
333	if (str[0] != '=')
334	{
335	y += v_align;
336	x += h_align;
337	}
338	}
339	}	227	{
340	else /* setting up geometry from scratch */	228	new_flags = 0;
		229	w = h = windowScale;
		230	geom_flags = WidthValue|HeightValue;
341	{	231	}
342	if (!(geom_flags & XValue))	232	else if (!strcasecmp (arr[i], "style=centered"))
343	{
344	/* use default geometry - centered */
345	x = y = defaultAlign;
346	}
347	else if (!(geom_flags & YValue))
348	y = x;
349
350	if ((geom_flags & (WidthValue|HeightValue)) == 0)
351	{
352	/* use default geometry - scaled */
353	w = h = defaultScale;
354	}
355	else if (geom_flags & WidthValue)
356	{
357	if (!(geom_flags & HeightValue))
358	h = w;
359	}
360	else
361	w = h;
362	}	233	{
363	} /* done parsing geometry string */	234	new_flags = 0;
364	else if (!(flags & geometrySet))	235	w = h = noScale;
		236	x = y = centerAlign;
		237	geom_flags = WidthValue|HeightValue|XValue|YValue;
		238	}
		239	else if (!strcasecmp (arr[i], "style=root-tiled"))
365	{	240	{
366	/* default geometry - scaled and centered */	241	new_flags = BG_TILE|BG_ROOT_ALIGN;
		242	w = h = noScale;
		243	geom_flags = WidthValue|HeightValue;
		244	}
		245	else if (!strcasecmp (arr[i], "op=tile"))
		246	new_flags |= BG_TILE;
		247	else if (!strcasecmp (arr[i], "op=pscale"))
		248	new_flags |= BG_PROP_SCALE;
		249	else if (!strcasecmp (arr[i], "op=root"))
		250	new_flags |= BG_ROOT_ALIGN;
		251
		252	// deprecated
		253	else if (!strcasecmp (arr[i], "tile"))
		254	{
		255	new_flags |= BG_TILE;
		256	w = h = noScale;
		257	geom_flags |= WidthValue|HeightValue;
		258	}
		259	else if (!strcasecmp (arr[i], "propscale"))
		260	{
		261	new_flags |= BG_PROP_SCALE;
		262	}
		263	else if (!strcasecmp (arr[i], "hscale"))
		264	{
		265	new_flags |= BG_TILE;
		266	w = windowScale;
		267	h = noScale;
		268	geom_flags |= WidthValue|HeightValue;
		269	}
		270	else if (!strcasecmp (arr[i], "vscale"))
		271	{
		272	new_flags |= BG_TILE;
		273	h = windowScale;
		274	w = noScale;
		275	geom_flags |= WidthValue|HeightValue;
		276	}
		277	else if (!strcasecmp (arr[i], "scale"))
		278	{
		279	w = h = windowScale;
		280	geom_flags |= WidthValue|HeightValue;
		281	}
		282	else if (!strcasecmp (arr[i], "auto"))
		283	{
		284	w = h = windowScale;
		285	x = y = centerAlign;
		286	geom_flags |= WidthValue|HeightValue|XValue|YValue;
		287	}
		288	else if (!strcasecmp (arr[i], "root"))
		289	{
		290	new_flags |= BG_TILE|BG_ROOT_ALIGN;
		291	w = h = noScale;
		292	geom_flags |= WidthValue|HeightValue;
		293	}
		294
		295	else
		296	geom_flags |= XParseGeometry (arr[i], &x, &y, &w, &h);
		297	} /* done parsing ops */
		298
		299	rxvt_free_strsplit (arr);
		300	}
		301
		302	if (!update)
		303	{
		304	if (!(geom_flags & XValue))
367	x = y = defaultAlign;	305	x = y = defaultAlign;
		306	else if (!(geom_flags & YValue))
		307	y = x;
		308
		309	if (!(geom_flags & (WidthValue|HeightValue)))
368	w = h = defaultScale;	310	w = h = defaultScale;
369	}	311	else if (!(geom_flags & HeightValue))
		312	h = w;
		313	else if (!(geom_flags & WidthValue))
		314	w = h;
370		315
371	if (!(flags & geometrySet))
372	geom_flags |= WidthValue|HeightValue|XValue|YValue;	316	geom_flags |= WidthValue|HeightValue|XValue|YValue;
		317	}
373		318
374	if (ops)
375	{
376	while (*ops)
377	{
378	while (*ops == ':' || isspace(*ops)) ++ops;
379
380	# define CHECK_GEOM_OPS(op_str) (strncasecmp (ops, (op_str), sizeof (op_str) - 1) == 0)
381	if (CHECK_GEOM_OPS ("tile"))
382	{
383	w = h = noScale;
384	geom_flags |= WidthValue|HeightValue;
385	}
386	else if (CHECK_GEOM_OPS ("propscale"))
387	{
388	if (w == 0 && h == 0)
389	{
390	w = windowScale;
391	geom_flags |= WidthValue;
392	}
393	new_flags |= propScale;
394	}
395	else if (CHECK_GEOM_OPS ("hscale"))
396	{
397	if (w == 0) w = windowScale;
398
399	h = noScale;
400	geom_flags |= WidthValue|HeightValue;
401	}
402	else if (CHECK_GEOM_OPS ("vscale"))
403	{
404	if (h == 0) h = windowScale;
405
406	w = noScale;
407	geom_flags |= WidthValue|HeightValue;
408	}
409	else if (CHECK_GEOM_OPS ("scale"))
410	{
411	if (h == 0) h = windowScale;
412	if (w == 0) w = windowScale;
413
414	geom_flags |= WidthValue|HeightValue;
415	}
416	else if (CHECK_GEOM_OPS ("auto"))
417	{
418	w = h = windowScale;
419	x = y = centerAlign;
420	geom_flags |= WidthValue|HeightValue|XValue|YValue;
421	}
422	else if (CHECK_GEOM_OPS ("root"))
423	{
424	w = h = noScale;
425	x = y = rootAlign;
426	geom_flags |= WidthValue|HeightValue|XValue|YValue;
427	}
428	# undef CHECK_GEOM_OPS
429
430	while (*ops != ':' && *ops != '\0') ++ops;
431	} /* done parsing ops */
432	}
433
434	if (check_set_scale_value (geom_flags, WidthValue, h_scale, w)) ++changed;	319	if (check_set_scale_value (geom_flags, WidthValue, h_scale, w)) changed = true;
435	if (check_set_scale_value (geom_flags, HeightValue, v_scale, h)) ++changed;	320	if (check_set_scale_value (geom_flags, HeightValue, v_scale, h)) changed = true;
436	if (check_set_align_value (geom_flags, XValue, h_align, x)) ++changed;	321	if (check_set_align_value (geom_flags, XValue, h_align, x)) changed = true;
437	if (check_set_align_value (geom_flags, YValue, v_align, y)) ++changed;	322	if (check_set_align_value (geom_flags, YValue, v_align, y)) changed = true;
438	}
439		323
440	if (new_flags != flags)	324	if (new_flags != bg_flags)
441	{	325	{
442	flags = new_flags;	326	bg_flags = new_flags;
443	changed++;	327	changed = true;
444	}	328	}
445		329
446	//fprintf (stderr, "flags = %lX, scale = %ux%u, align=%+d%+d\n",
447	// flags, h_scale, v_scale, h_align, v_align);
448	return (changed > 0);	330	return changed;
		331	}
		332
		333	void
		334	rxvt_term::get_image_geometry (int image_width, int image_height, int &w, int &h, int &x, int &y)
		335	{
		336	int target_width = szHint.width;
		337	int target_height = szHint.height;
		338
		339	if (bg_flags & BG_PROP_SCALE)
		340	{
		341	float scale = (float)target_width / image_width;
		342	min_it (scale, (float)target_height / image_height);
		343	w = image_width * scale + 0.5;
		344	h = image_height * scale + 0.5;
		345	}
		346	else
		347	{
		348	w = h_scale * target_width / 100;
		349	h = v_scale * target_height / 100;
		350	}
		351
		352	if (!w) w = image_width;
		353	if (!h) h = image_height;
		354
		355	if (bg_flags & BG_ROOT_ALIGN)
		356	{
		357	x = -target_x;
		358	y = -target_y;
		359	}
		360	else
		361	{
		362	x = make_align_position (h_align, target_width, w);
		363	y = make_align_position (v_align, target_height, h);
		364	}
		365
		366	bg_flags &= ~BG_IS_SIZE_SENSITIVE;
		367	if (!(bg_flags & BG_TILE)
		368	|| (bg_flags & BG_PROP_SCALE) || h_scale || v_scale
		369	|| (!(bg_flags & BG_ROOT_ALIGN) && (h_align || v_align))
		370	|| w > target_width || h > target_height)
		371	bg_flags |= BG_IS_SIZE_SENSITIVE;
449	}	372	}
450		373
451	# ifdef HAVE_AFTERIMAGE	374	# ifdef HAVE_AFTERIMAGE
452	bool	375	bool
453	bgPixmap_t::render_asim (ASImage *background, ARGB32 background_tint)	376	rxvt_term::render_image (unsigned long tr_flags)
454	{	377	{
455	if (target == NULL)
456	return false;
457
458	target->init_asv ();	378	init_asv ();
		379
		380	ASImage *background = NULL;
		381	ARGB32 background_tint = TINT_LEAVE_SAME;
		382
		383	# ifdef ENABLE_TRANSPARENCY
		384	if (tr_flags)
		385	background = pixmap2ximage (asv, bg_pixmap, 0, 0, bg_pmap_width, bg_pmap_height, AllPlanes, 100);
		386
		387	if (tr_flags & BG_NEEDS_TINT)
		388	{
		389	ShadingInfo as_shade;
		390	as_shade.shading = shade;
		391
		392	rgba c (rgba::MAX_CC,rgba::MAX_CC,rgba::MAX_CC);
		393	if (bg_flags & BG_TINT_SET)
		394	tint.get (c);
		395	as_shade.tintColor.red = c.r;
		396	as_shade.tintColor.green = c.g;
		397	as_shade.tintColor.blue = c.b;
		398
		399	background_tint = shading2tint32 (&as_shade);
		400	}
		401
		402	if ((tr_flags & BG_NEEDS_BLUR) && background != NULL)
		403	{
		404	ASImage *tmp = blur_asimage_gauss (asv, background, h_blurRadius, v_blurRadius, 0xFFFFFFFF,
		405	(original_asim == NULL || tint == TINT_LEAVE_SAME) ? ASA_XImage : ASA_ASImage,
		406	100, ASIMAGE_QUALITY_DEFAULT);
		407	if (tmp)
		408	{
		409	destroy_asimage (&background);
		410	background = tmp;
		411	}
		412	}
		413	# endif
459		414
460	ASImage *result = 0;	415	ASImage *result = 0;
461		416
462	int target_width = target->szHint.width;	417	int target_width = szHint.width;
463	int target_height = target->szHint.height;	418	int target_height = szHint.height;
464	int new_pmap_width = target_width;	419	int new_pmap_width = target_width;
465	int new_pmap_height = target_height;	420	int new_pmap_height = target_height;
466		421
467	int x = 0;	422	int x = 0;
468	int y = 0;	423	int y = 0;
469	int w = h_scale * target_width / 100;	424	int w = 0;
470	int h = v_scale * target_height / 100;	425	int h = 0;
471
472	TIMING_TEST_START (asim);
473		426
474	if (original_asim)	427	if (original_asim)
475	{	428	get_image_geometry (original_asim->width, original_asim->height, w, h, x, y);
476	if (h_align == rootAlign || v_align == rootAlign)
477	{
478	target->get_window_origin(x, y);
479	x = -x;
480	y = -y;
481	}
482
483	if (h_align != rootAlign)
484	x = make_align_position (h_align, target_width, w > 0 ? w : (int)original_asim->width);
485
486	if (v_align != rootAlign)
487	y = make_align_position (v_align, target_height, h > 0 ? h : (int)original_asim->height);
488	}
489		429
490	if (!original_asim	430	if (!original_asim
		431	|| (!(bg_flags & BG_ROOT_ALIGN)
491	|| x >= target_width	432	&& (x >= target_width
492	|| y >= target_height	433	|| y >= target_height
493	|| (w > 0 && x + w <= 0)	434	|| (x + w <= 0)
494	|| (h > 0 && y + h <= 0))	435	|| (y + h <= 0))))
495	{	436	{
496	if (background)	437	if (background)
497	{	438	{
498	new_pmap_width = background->width;	439	new_pmap_width = background->width;
499	new_pmap_height = background->height;	440	new_pmap_height = background->height;
500	result = background;	441	result = background;
501		442
502	if (background_tint != TINT_LEAVE_SAME)	443	if (background_tint != TINT_LEAVE_SAME)
503	{	444	{
504	ASImage *tmp = tile_asimage (target->asv, background, 0, 0,	445	ASImage *tmp = tile_asimage (asv, background, 0, 0,
505	target_width, target_height, background_tint,	446	target_width, target_height, background_tint,
506	ASA_XImage, 100, ASIMAGE_QUALITY_DEFAULT);	447	ASA_XImage, 100, ASIMAGE_QUALITY_DEFAULT);
507	if (tmp)	448	if (tmp)
508	result = tmp;	449	result = tmp;
509	}	450	}
…		…
513	}	454	}
514	else	455	else
515	{	456	{
516	result = original_asim;	457	result = original_asim;
517		458
518	if ((w > 0 && w != original_asim->width)	459	if ((w != original_asim->width)
519	|| (h > 0 && h != original_asim->height))	460	|| (h != original_asim->height))
520	{	461	{
521	result = scale_asimage (target->asv, original_asim,	462	result = scale_asimage (asv, original_asim,
522	w > 0 ? w : original_asim->width,	463	w, h,
523	h > 0 ? h : original_asim->height,
524	background ? ASA_ASImage : ASA_XImage,	464	background ? ASA_ASImage : ASA_XImage,
525	100, ASIMAGE_QUALITY_DEFAULT);	465	100, ASIMAGE_QUALITY_DEFAULT);
526	}	466	}
527		467
528	if (background == NULL)	468	if (background == NULL)
529	{	469	{
		470	if (bg_flags & BG_TILE)
		471	{
530	/* if tiling - pixmap has to be sized exactly as the image,	472	/* if tiling - pixmap has to be sized exactly as the image,
531	but there is no need to make it bigger than the window! */	473	but there is no need to make it bigger than the window! */
532	if (h_scale == 0)
533	new_pmap_width = min (result->width, target_width);	474	new_pmap_width = min (result->width, target_width);
534	if (v_scale == 0)
535	new_pmap_height = min (result->height, target_height);	475	new_pmap_height = min (result->height, target_height);
		476
536	/* we also need to tile our image in one or both directions */	477	/* we also need to tile our image in both directions */
537	if (h_scale == 0 || v_scale == 0)
538	{
539	ASImage *tmp = tile_asimage (target->asv, result,	478	ASImage *tmp = tile_asimage (asv, result,
540	(h_scale > 0) ? 0 : (int)result->width - x,	479	(int)result->width - x,
541	(v_scale > 0) ? 0 : (int)result->height - y,	480	(int)result->height - y,
542	new_pmap_width,	481	new_pmap_width,
543	new_pmap_height,	482	new_pmap_height,
544	TINT_LEAVE_SAME, ASA_XImage,	483	TINT_LEAVE_SAME, ASA_XImage,
545	100, ASIMAGE_QUALITY_DEFAULT);	484	100, ASIMAGE_QUALITY_DEFAULT);
546	if (tmp)	485	if (tmp)
…		…
554	}	493	}
555	else	494	else
556	{	495	{
557	/* if blending background and image - pixmap has to be sized same as target window */	496	/* if blending background and image - pixmap has to be sized same as target window */
558	ASImageLayer *layers = create_image_layers (2);	497	ASImageLayer *layers = create_image_layers (2);
559	ASImage *merged_im = NULL;
560		498
561	layers[0].im = background;	499	layers[0].im = background;
562	layers[0].clip_width = target_width;	500	layers[0].clip_width = target_width;
563	layers[0].clip_height = target_height;	501	layers[0].clip_height = target_height;
564	layers[0].tint = background_tint;	502	layers[0].tint = background_tint;
565	layers[1].im = result;	503	layers[1].im = result;
566		504
567	if (w <= 0)	505	if (bg_flags & BG_TILE)
568	{	506	{
569	/* tile horizontally */	507	/* tile horizontally */
570	while (x > 0) x -= (int)result->width;	508	while (x > 0) x -= (int)result->width;
571	layers[1].dst_x = x;	509	layers[1].dst_x = x;
572	layers[1].clip_width = result->width+target_width;	510	layers[1].clip_width = result->width+target_width;
…		…
576	/* clip horizontally */	514	/* clip horizontally */
577	layers[1].dst_x = x;	515	layers[1].dst_x = x;
578	layers[1].clip_width = result->width;	516	layers[1].clip_width = result->width;
579	}	517	}
580		518
581	if (h <= 0)	519	if (bg_flags & BG_TILE)
582	{	520	{
583	while (y > 0) y -= (int)result->height;	521	while (y > 0) y -= (int)result->height;
584	layers[1].dst_y = y;	522	layers[1].dst_y = y;
585	layers[1].clip_height = result->height + target_height;	523	layers[1].clip_height = result->height + target_height;
586	}	524	}
…		…
588	{	526	{
589	layers[1].dst_y = y;	527	layers[1].dst_y = y;
590	layers[1].clip_height = result->height;	528	layers[1].clip_height = result->height;
591	}	529	}
592		530
593	if (target->rs[Rs_blendtype])	531	if (rs[Rs_blendtype])
594	{	532	{
595	layers[1].merge_scanlines = blend_scanlines_name2func (target->rs[Rs_blendtype]);	533	layers[1].merge_scanlines = blend_scanlines_name2func (rs[Rs_blendtype]);
596	if (layers[1].merge_scanlines == NULL)	534	if (layers[1].merge_scanlines == NULL)
597	layers[1].merge_scanlines = alphablend_scanlines;	535	layers[1].merge_scanlines = alphablend_scanlines;
598	}	536	}
599		537
600	ASImage *tmp = merge_layers (target->asv, layers, 2, target_width, target_height,	538	ASImage *tmp = merge_layers (asv, layers, 2, target_width, target_height,
601	ASA_XImage, 0, ASIMAGE_QUALITY_DEFAULT);	539	ASA_XImage, 0, ASIMAGE_QUALITY_DEFAULT);
602		540
603	if (tmp)	541	if (tmp)
604	{	542	{
605	if (result != original_asim)	543	if (result != original_asim)
…		…
609	}	547	}
610		548
611	free (layers);	549	free (layers);
612	}	550	}
613	}	551	}
614	TIMING_TEST_PRINT_RESULT (asim);
615		552
616	if (pixmap)	553	bool ret = false;
617	{
618	if (result == NULL
619	|| pmap_width != new_pmap_width
620	|| pmap_height != new_pmap_height
621	|| pmap_depth != target->depth)
622	{
623	XFreePixmap (target->dpy, pixmap);
624	pixmap = None;
625	}
626	}
627		554
628	if (result)	555	if (result)
629	{	556	{
630	XGCValues gcv;	557	XGCValues gcv;
631	GC gc;	558	GC gc;
632		559
633	/* create Pixmap */	560	/* create Pixmap */
634	if (pixmap == None)	561	if (bg_pixmap == None
		562	|| bg_pmap_width != new_pmap_width
		563	|| bg_pmap_height != new_pmap_height)
635	{	564	{
		565	if (bg_pixmap)
		566	XFreePixmap (dpy, bg_pixmap);
636	pixmap = XCreatePixmap (target->dpy, target->vt, new_pmap_width, new_pmap_height, target->depth);	567	bg_pixmap = XCreatePixmap (dpy, vt, new_pmap_width, new_pmap_height, depth);
637	pmap_width = new_pmap_width;	568	bg_pmap_width = new_pmap_width;
638	pmap_height = new_pmap_height;	569	bg_pmap_height = new_pmap_height;
639	pmap_depth = target->depth;
640	}	570	}
641	/* fill with background color ( if result's not completely overlapping it)*/	571	/* fill with background color (if result's not completely overlapping it) */
642	gcv.foreground = target->pix_colors[Color_bg];	572	gcv.foreground = pix_colors[Color_bg];
643	gc = XCreateGC (target->dpy, target->vt, GCForeground, &gcv);	573	gc = XCreateGC (dpy, vt, GCForeground, &gcv);
644		574
645	int src_x = 0, src_y = 0, dst_x = 0, dst_y = 0;	575	int src_x = 0, src_y = 0, dst_x = 0, dst_y = 0;
646	int dst_width = result->width, dst_height = result->height;	576	int dst_width = result->width, dst_height = result->height;
647	if (background == NULL)	577	if (background == NULL)
648	{	578	{
		579	if (!(bg_flags & BG_TILE))
		580	{
649	if (h_scale > 0) src_x = make_clip_rectangle (x, result->width , new_pmap_width , dst_x, dst_width );	581	src_x = make_clip_rectangle (x, result->width , new_pmap_width , dst_x, dst_width );
650	if (v_scale > 0) src_y = make_clip_rectangle (y, result->height, new_pmap_height, dst_y, dst_height);	582	src_y = make_clip_rectangle (y, result->height, new_pmap_height, dst_y, dst_height);
		583	}
651		584
652	if (dst_x > 0 || dst_y > 0	585	if (dst_x > 0 || dst_y > 0
653	|| dst_x + dst_width < new_pmap_width	586	|| dst_x + dst_width < new_pmap_width
654	|| dst_y + dst_height < new_pmap_height)	587	|| dst_y + dst_height < new_pmap_height)
655	XFillRectangle (target->dpy, pixmap, gc, 0, 0, new_pmap_width, new_pmap_height);	588	XFillRectangle (dpy, bg_pixmap, gc, 0, 0, new_pmap_width, new_pmap_height);
656	}	589	}
657		590
658	/* put result on pixmap */	591	/* put result on pixmap */
659	if (dst_x < new_pmap_width && dst_y < new_pmap_height)	592	if (dst_x < new_pmap_width && dst_y < new_pmap_height)
660	asimage2drawable (target->asv, pixmap, result, gc, src_x, src_y, dst_x, dst_y, dst_width, dst_height, True);	593	asimage2drawable (asv, bg_pixmap, result, gc, src_x, src_y, dst_x, dst_y, dst_width, dst_height, True);
661		594
662	if (result != background && result != original_asim)	595	if (result != background && result != original_asim)
663	destroy_asimage (&result);	596	destroy_asimage (&result);
664		597
665	XFreeGC (target->dpy, gc);	598	XFreeGC (dpy, gc);
666	TIMING_TEST_PRINT_RESULT (asim);	599
		600	ret = true;
		601	}
		602
		603	if (background)
		604	destroy_asimage (&background);
		605
		606	return ret;
		607	}
		608	# endif /* HAVE_AFTERIMAGE */
		609
		610	# ifdef HAVE_PIXBUF
		611	bool
		612	rxvt_term::pixbuf_to_pixmap (GdkPixbuf *pixbuf, Pixmap pixmap, GC gc,
		613	int src_x, int src_y, int dst_x, int dst_y,
		614	unsigned int width, unsigned int height)
		615	{
		616	XImage *ximage;
		617	char *data, *line;
		618	int bytes_per_pixel;
		619	int width_r, width_g, width_b;
		620	int sh_r, sh_g, sh_b;
		621	int rowstride;
		622	int channels;
		623	unsigned char *row;
		624
		625	if (visual->c_class != TrueColor)
		626	return false;
		627
		628	if (depth == 24 || depth == 32)
		629	bytes_per_pixel = 4;
		630	else if (depth == 15 || depth == 16)
		631	bytes_per_pixel = 2;
		632	else
		633	return false;
		634
		635	width_r = ecb_popcount32 (visual->red_mask);
		636	width_g = ecb_popcount32 (visual->green_mask);
		637	width_b = ecb_popcount32 (visual->blue_mask);
		638
		639	if (width_r > 8 || width_g > 8 || width_b > 8)
		640	return false;
		641
		642	sh_r = ecb_ctz32 (visual->red_mask);
		643	sh_g = ecb_ctz32 (visual->green_mask);
		644	sh_b = ecb_ctz32 (visual->blue_mask);
		645
		646	if (width > INT_MAX / height / bytes_per_pixel)
		647	return false;
		648
		649	data = (char *)malloc (width * height * bytes_per_pixel);
		650	if (!data)
		651	return false;
		652
		653	ximage = XCreateImage (dpy, visual, depth, ZPixmap, 0, data,
		654	width, height, bytes_per_pixel * 8, 0);
		655	if (!ximage)
667	}	656	{
		657	free (data);
		658	return false;
		659	}
668		660
		661	ximage->byte_order = ecb_big_endian () ? MSBFirst : LSBFirst;
		662
		663	rowstride = gdk_pixbuf_get_rowstride (pixbuf);
		664	channels = gdk_pixbuf_get_n_channels (pixbuf);
		665	row = gdk_pixbuf_get_pixels (pixbuf) + src_y * rowstride + src_x * channels;
		666	line = data;
		667
		668	for (int y = 0; y < height; y++)
		669	{
		670	for (int x = 0; x < width; x++)
		671	{
		672	unsigned char *pixel = row + x * channels;
		673	uint32_t value;
		674
		675	value = ((pixel[0] >> (8 - width_r)) << sh_r)
		676	| ((pixel[1] >> (8 - width_g)) << sh_g)
		677	| ((pixel[2] >> (8 - width_b)) << sh_b);
		678
		679	if (bytes_per_pixel == 4)
		680	((uint32_t *)line)[x] = value;
		681	else
		682	((uint16_t *)line)[x] = value;
		683	}
		684
		685	row += rowstride;
		686	line += ximage->bytes_per_line;
		687	}
		688
		689	XPutImage (dpy, pixmap, gc, ximage, 0, 0, dst_x, dst_y, width, height);
		690	XDestroyImage (ximage);
669	return true;	691	return true;
670	}	692	}
671	# endif /* HAVE_AFTERIMAGE */
672		693
673	bool	694	bool
674	bgPixmap_t::set_file (const char *file)	695	rxvt_term::render_image (unsigned long tr_flags)
675	{	696	{
676	assert (file);	697	if (!pixbuf)
		698	return false;
677		699
678	if (*file)	700	if (tr_flags
		701	&& !(bg_flags & BG_HAS_RENDER))
		702	return false;
		703
		704	GdkPixbuf *result;
		705
		706	int image_width = gdk_pixbuf_get_width (pixbuf);
		707	int image_height = gdk_pixbuf_get_height (pixbuf);
		708
		709	int target_width = szHint.width;
		710	int target_height = szHint.height;
		711	int new_pmap_width = target_width;
		712	int new_pmap_height = target_height;
		713
		714	int x = 0;
		715	int y = 0;
		716	int w = 0;
		717	int h = 0;
		718
		719	get_image_geometry (image_width, image_height, w, h, x, y);
		720
		721	if (!(bg_flags & BG_ROOT_ALIGN)
		722	&& (x >= target_width
		723	|| y >= target_height
		724	|| (x + w <= 0)
		725	|| (y + h <= 0)))
		726	return false;
		727
		728	result = pixbuf;
		729
		730	if ((w != image_width)
		731	|| (h != image_height))
		732	{
		733	result = gdk_pixbuf_scale_simple (pixbuf,
		734	w, h,
		735	GDK_INTERP_BILINEAR);
679	{	736	}
		737
		738	if (!result)
		739	return false;
		740
		741	bool ret = false;
		742
		743	XGCValues gcv;
		744	GC gc;
		745	Pixmap root_pmap;
		746
		747	image_width = gdk_pixbuf_get_width (result);
		748	image_height = gdk_pixbuf_get_height (result);
		749
		750	if (tr_flags)
		751	{
		752	root_pmap = bg_pixmap;
		753	bg_pixmap = None;
		754	}
		755	else
		756	{
		757	if (bg_flags & BG_TILE)
		758	{
		759	new_pmap_width = min (image_width, target_width);
		760	new_pmap_height = min (image_height, target_height);
		761	}
		762	}
		763
		764	if (bg_pixmap == None
		765	|| bg_pmap_width != new_pmap_width
		766	|| bg_pmap_height != new_pmap_height)
		767	{
		768	if (bg_pixmap)
		769	XFreePixmap (dpy, bg_pixmap);
		770	bg_pixmap = XCreatePixmap (dpy, vt, new_pmap_width, new_pmap_height, depth);
		771	bg_pmap_width = new_pmap_width;
		772	bg_pmap_height = new_pmap_height;
		773	}
		774
		775	gcv.foreground = pix_colors[Color_bg];
		776	gc = XCreateGC (dpy, vt, GCForeground, &gcv);
		777
		778	if (gc)
		779	{
		780	if (bg_flags & BG_TILE)
		781	{
		782	Pixmap tile = XCreatePixmap (dpy, vt, image_width, image_height, depth);
		783	pixbuf_to_pixmap (result, tile, gc,
		784	0, 0,
		785	0, 0,
		786	image_width, image_height);
		787
		788	gcv.tile = tile;
		789	gcv.fill_style = FillTiled;
		790	gcv.ts_x_origin = x;
		791	gcv.ts_y_origin = y;
		792	XChangeGC (dpy, gc, GCFillStyle | GCTile | GCTileStipXOrigin | GCTileStipYOrigin, &gcv);
		793
		794	XFillRectangle (dpy, bg_pixmap, gc, 0, 0, new_pmap_width, new_pmap_height);
		795	XFreePixmap (dpy, tile);
		796	}
		797	else
		798	{
		799	int src_x, src_y, dst_x, dst_y;
		800	int dst_width, dst_height;
		801
		802	src_x = make_clip_rectangle (x, image_width , new_pmap_width , dst_x, dst_width );
		803	src_y = make_clip_rectangle (y, image_height, new_pmap_height, dst_y, dst_height);
		804
		805	if (dst_x > 0 || dst_y > 0
		806	|| dst_x + dst_width < new_pmap_width
		807	|| dst_y + dst_height < new_pmap_height)
		808	XFillRectangle (dpy, bg_pixmap, gc, 0, 0, new_pmap_width, new_pmap_height);
		809
		810	if (dst_x < new_pmap_width && dst_y < new_pmap_height)
		811	pixbuf_to_pixmap (result, bg_pixmap, gc,
		812	src_x, src_y,
		813	dst_x, dst_y,
		814	dst_width, dst_height);
		815	}
		816
		817	#if XRENDER
		818	if (tr_flags)
		819	{
		820	XRenderPictureAttributes pa;
		821
		822	XRenderPictFormat *src_format = XRenderFindVisualFormat (dpy, visual);
		823	Picture src = XRenderCreatePicture (dpy, root_pmap, src_format, 0, &pa);
		824
		825	XRenderPictFormat *dst_format = XRenderFindVisualFormat (dpy, visual);
		826	Picture dst = XRenderCreatePicture (dpy, bg_pixmap, dst_format, 0, &pa);
		827
		828	pa.repeat = True;
		829	Pixmap mask_pmap = XCreatePixmap (dpy, vt, 1, 1, 8);
		830	XRenderPictFormat *mask_format = XRenderFindStandardFormat (dpy, PictStandardA8);
		831	Picture mask = XRenderCreatePicture (dpy, mask_pmap, mask_format, CPRepeat, &pa);
		832	XFreePixmap (dpy, mask_pmap);
		833
		834	XRenderColor mask_c;
		835
		836	mask_c.alpha = 0x8000;
		837	mask_c.red = 0;
		838	mask_c.green = 0;
		839	mask_c.blue = 0;
		840	XRenderFillRectangle (dpy, PictOpSrc, mask, &mask_c, 0, 0, 1, 1);
		841	XRenderComposite (dpy, PictOpOver, src, mask, dst, 0, 0, 0, 0, 0, 0, target_width, target_height);
		842
		843	XRenderFreePicture (dpy, src);
		844	XRenderFreePicture (dpy, dst);
		845	XRenderFreePicture (dpy, mask);
		846	}
		847	#endif
		848
		849	XFreeGC (dpy, gc);
		850
		851	ret = true;
		852	}
		853
		854	if (result != pixbuf)
		855	g_object_unref (result);
		856
		857	if (tr_flags)
		858	XFreePixmap (dpy, root_pmap);
		859
		860	return ret;
		861	}
		862	# endif /* HAVE_PIXBUF */
		863
		864	bool
		865	rxvt_term::bg_set_file (const char *file)
		866	{
		867	if (!file || !*file)
		868	return false;
		869
		870	if (const char *p = strchr (file, ';'))
		871	{
		872	size_t len = p - file;
		873	char *f = rxvt_temp_buf<char> (len + 1);
		874	memcpy (f, file, len);
		875	f[len] = '\0';
		876	file = f;
		877	}
		878
680	# ifdef HAVE_AFTERIMAGE	879	# ifdef HAVE_AFTERIMAGE
681	if (!target->asimman)	880	if (!asimman)
682	target->asimman = create_generic_imageman (target->rs[Rs_path]);	881	asimman = create_generic_imageman (rs[Rs_path]);
683
684	if (const char *p = strchr (file, ';'))
685	{
686	size_t len = p - file;
687	char *f = (char *)malloc (len + 1);
688	memcpy (f, file, len);
689	f[len] = '\0';
690	original_asim = get_asimage (target->asimman, f, 0xFFFFFFFF, 100);
691	free (f);
692	}
693	else
694	original_asim = get_asimage (target->asimman, file, 0xFFFFFFFF, 100);	882	ASImage *image = get_asimage (asimman, file, 0xFFFFFFFF, 100);
695		883	if (image)
696	return original_asim;	884	{
		885	if (original_asim)
		886	safe_asimage_destroy (original_asim);
		887	original_asim = image;
		888	bg_flags |= BG_IS_FROM_FILE | BG_CLIENT_RENDER;
		889	return true;
		890	}
697	# endif	891	# endif
		892
		893	# ifdef HAVE_PIXBUF
		894	GdkPixbuf *image = gdk_pixbuf_new_from_file (file, NULL);
		895	if (image)
698	}	896	{
		897	if (pixbuf)
		898	g_object_unref (pixbuf);
		899	pixbuf = image;
		900	bg_flags |= BG_IS_FROM_FILE;
		901	return true;
		902	}
		903	# endif
699		904
700	return false;	905	return false;
701	}	906	}
702		907
703	# endif /* BG_IMAGE_FROM_FILE */	908	# endif /* BG_IMAGE_FROM_FILE */
704		909
705	# ifdef ENABLE_TRANSPARENCY	910	# ifdef ENABLE_TRANSPARENCY
706	bool	911	bool
707	bgPixmap_t::set_transparent ()	912	rxvt_term::bg_set_transparent ()
708	{	913	{
709	if (!(flags & isTransparent))	914	if (!(bg_flags & BG_IS_TRANSPARENT))
710	{	915	{
711	flags |= isTransparent;	916	bg_flags |= BG_IS_TRANSPARENT;
712	return true;	917	return true;
713	}	918	}
714		919
715	return false;	920	return false;
716	}	921	}
717		922
718	bool	923	bool
719	bgPixmap_t::set_blur_radius (const char *geom)	924	rxvt_term::bg_set_blur (const char *geom)
720	{	925	{
721	int changed = 0;	926	bool changed = false;
722	unsigned int hr, vr;	927	unsigned int hr, vr;
723	int junk;	928	int junk;
724	int geom_flags = XParseGeometry (geom, &junk, &junk, &hr, &vr);	929	int geom_flags = XParseGeometry (geom, &junk, &junk, &hr, &vr);
725		930
726	if (!(geom_flags&WidthValue))	931	if (!(geom_flags & WidthValue))
727	hr = 1;	932	hr = 1;
728	if (!(geom_flags&HeightValue))	933	if (!(geom_flags & HeightValue))
729	vr = hr;	934	vr = hr;
730		935
		936	min_it (hr, 128);
		937	min_it (vr, 128);
		938
731	if (h_blurRadius != hr)	939	if (h_blurRadius != hr)
732	{	940	{
733	++changed;	941	changed = true;
734	h_blurRadius = hr;	942	h_blurRadius = hr;
735	}	943	}
736		944
737	if (v_blurRadius != vr)	945	if (v_blurRadius != vr)
738	{	946	{
739	++changed;	947	changed = true;
740	v_blurRadius = vr;	948	v_blurRadius = vr;
741	}	949	}
742		950
743	if (v_blurRadius == 0 && h_blurRadius == 0)	951	if (v_blurRadius == 0 && h_blurRadius == 0)
744	flags &= ~blurNeeded;	952	bg_flags &= ~BG_NEEDS_BLUR;
745	else	953	else
746	flags |= blurNeeded;	954	bg_flags |= BG_NEEDS_BLUR;
747		955
748	return (changed>0);	956	return changed;
749	}	957	}
750		958
751	static inline unsigned long	959	void
752	compute_tint_shade_flags (rxvt_color *tint, int shade)	960	rxvt_term::set_tint_shade_flags ()
753	{	961	{
754	unsigned long flags = 0;
755	rgba c (rgba::MAX_CC,rgba::MAX_CC,rgba::MAX_CC);	962	rgba c (rgba::MAX_CC,rgba::MAX_CC,rgba::MAX_CC);
756	bool has_shade = (shade > 0 && shade < 100) || (shade > 100 && shade < 200);	963	bool has_shade = shade != 100;
757		964
758	if (tint)	965	bg_flags &= ~BG_TINT_FLAGS;
		966
		967	if (bg_flags & BG_TINT_SET)
759	{	968	{
760	tint->get (c);	969	tint.get (c);
761	# define IS_COMPONENT_WHOLESOME(cmp) ((cmp) <= 0x000700 || (cmp) >= 0x00f700)
762	if (!has_shade && IS_COMPONENT_WHOLESOME (c.r)
763	&& IS_COMPONENT_WHOLESOME (c.g)
764	&& IS_COMPONENT_WHOLESOME (c.b))
765	flags |= bgPixmap_t::tintWholesome;
766	# undef IS_COMPONENT_WHOLESOME
767	}
768
769	if (has_shade)	970	if (!has_shade
770	flags |= bgPixmap_t::tintNeeded;	971	&& (c.r <= 0x00ff || c.r >= 0xff00)
771	else if (tint)	972	&& (c.g <= 0x00ff || c.g >= 0xff00)
		973	&& (c.b <= 0x00ff || c.b >= 0xff00))
		974	bg_flags |= BG_TINT_BITAND;
772	{	975	}
773	if ((c.r > 0x000700 || c.g > 0x000700 || c.b > 0x000700)	976
774	&& (c.r < 0x00f700 || c.g < 0x00f700 || c.b < 0x00f700))	977	if (has_shade || (bg_flags & BG_TINT_SET))
		978	bg_flags |= BG_NEEDS_TINT;
		979	}
		980
		981	bool
		982	rxvt_term::bg_set_tint (rxvt_color &new_tint)
		983	{
		984	if (!(bg_flags & BG_TINT_SET) || tint != new_tint)
		985	{
		986	tint = new_tint;
		987	bg_flags |= BG_TINT_SET;
		988	set_tint_shade_flags ();
		989	return true;
		990	}
		991
		992	return false;
		993	}
		994
		995	bool
		996	rxvt_term::bg_set_shade (const char *shade_str)
		997	{
		998	int new_shade = (shade_str) ? atoi (shade_str) : 100;
		999
		1000	clamp_it (new_shade, -100, 200);
		1001	if (new_shade < 0)
		1002	new_shade = 200 - (100 + new_shade);
		1003
		1004	if (new_shade != shade)
		1005	{
		1006	shade = new_shade;
		1007	set_tint_shade_flags ();
		1008	return true;
		1009	}
		1010
		1011	return false;
		1012	}
		1013
		1014	#if XRENDER
		1015	static void
		1016	get_gaussian_kernel (int radius, int width, double *kernel, XFixed *params)
		1017	{
		1018	double sigma = radius / 2.0;
		1019	double scale = sqrt (2.0 * M_PI) * sigma;
		1020	double sum = 0.0;
		1021
		1022	for (int i = 0; i < width; i++)
		1023	{
		1024	double x = i - width / 2;
		1025	kernel[i] = exp (-(x * x) / (2.0 * sigma * sigma)) / scale;
		1026	sum += kernel[i];
		1027	}
		1028
		1029	params[0] = XDoubleToFixed (width);
		1030	params[1] = XDoubleToFixed (1);
		1031
		1032	for (int i = 0; i < width; i++)
		1033	params[i+2] = XDoubleToFixed (kernel[i] / sum);
		1034	}
		1035	#endif
		1036
		1037	bool
		1038	rxvt_term::blur_pixmap (Pixmap pixmap, Visual *visual, int width, int height)
		1039	{
		1040	bool ret = false;
		1041	#if XRENDER
		1042	int size = max (h_blurRadius, v_blurRadius) * 2 + 1;
		1043	double *kernel = (double *)malloc (size * sizeof (double));
		1044	XFixed *params = (XFixed *)malloc ((size + 2) * sizeof (XFixed));
		1045
		1046	XRenderPictureAttributes pa;
		1047	XRenderPictFormat *format = XRenderFindVisualFormat (dpy, visual);
		1048
		1049	Picture src = XRenderCreatePicture (dpy, pixmap, format, 0, &pa);
		1050	Picture dst = XRenderCreatePicture (dpy, pixmap, format, 0, &pa);
		1051
		1052	if (kernel && params)
		1053	{
		1054	if (h_blurRadius)
775	{	1055	{
776	flags |= bgPixmap_t::tintNeeded;	1056	size = h_blurRadius * 2 + 1;
		1057	get_gaussian_kernel (h_blurRadius, size, kernel, params);
		1058
		1059	XRenderSetPictureFilter (dpy, src, FilterConvolution, params, size+2);
		1060	XRenderComposite (dpy,
		1061	PictOpSrc,
		1062	src,
		1063	None,
		1064	dst,
		1065	0, 0,
		1066	0, 0,
		1067	0, 0,
		1068	width, height);
777	}	1069	}
778	}
779		1070
780	if (flags & bgPixmap_t::tintNeeded)	1071	if (v_blurRadius)
		1072	{
		1073	size = v_blurRadius * 2 + 1;
		1074	get_gaussian_kernel (v_blurRadius, size, kernel, params);
		1075	::swap (params[0], params[1]);
		1076
		1077	XRenderSetPictureFilter (dpy, src, FilterConvolution, params, size+2);
		1078	XRenderComposite (dpy,
		1079	PictOpSrc,
		1080	src,
		1081	None,
		1082	dst,
		1083	0, 0,
		1084	0, 0,
		1085	0, 0,
		1086	width, height);
		1087	}
		1088
		1089	ret = true;
781	{	1090	}
782	if (flags & bgPixmap_t::tintWholesome)	1091
783	flags |= bgPixmap_t::tintServerSide;	1092	free (kernel);
		1093	free (params);
		1094	XRenderFreePicture (dpy, src);
		1095	XRenderFreePicture (dpy, dst);
		1096	#endif
		1097	return ret;
		1098	}
		1099
		1100	bool
		1101	rxvt_term::tint_pixmap (Pixmap pixmap, Visual *visual, int width, int height)
		1102	{
		1103	bool ret = false;
		1104
		1105	if (bg_flags & BG_TINT_BITAND)
		1106	{
		1107	XGCValues gcv;
		1108	GC gc;
		1109
		1110	/* In this case we can tint image server-side getting significant
		1111	* performance improvements, as we eliminate XImage transfer
		1112	*/
		1113	gcv.foreground = Pixel (tint);
		1114	gcv.function = GXand;
		1115	gcv.fill_style = FillSolid;
		1116	gc = XCreateGC (dpy, pixmap, GCFillStyle | GCForeground | GCFunction, &gcv);
		1117	if (gc)
		1118	{
		1119	XFillRectangle (dpy, pixmap, gc, 0, 0, width, height);
		1120	ret = true;
		1121	XFreeGC (dpy, gc);
		1122	}
		1123	}
		1124	else
		1125	{
		1126	# if XRENDER
		1127	rgba c (rgba::MAX_CC, rgba::MAX_CC, rgba::MAX_CC);
		1128
		1129	if (bg_flags & BG_TINT_SET)
		1130	tint.get (c);
		1131
		1132	if (shade <= 100)
		1133	{
		1134	c.r = c.r * shade / 100;
		1135	c.g = c.g * shade / 100;
		1136	c.b = c.b * shade / 100;
		1137	}
784	else	1138	else
785	{	1139	{
786	#if XFT	1140	c.r = c.r * (200 - shade) / 100;
787	flags |= bgPixmap_t::tintServerSide;	1141	c.g = c.g * (200 - shade) / 100;
788	#endif	1142	c.b = c.b * (200 - shade) / 100;
		1143	}
		1144
		1145	XRenderPictFormat *solid_format = XRenderFindStandardFormat (dpy, PictStandardARGB32);
		1146	XRenderPictFormat *format = XRenderFindVisualFormat (dpy, visual);
		1147	XRenderPictureAttributes pa;
		1148
		1149	Picture back_pic = XRenderCreatePicture (dpy, pixmap, format, 0, &pa);
		1150
		1151	pa.repeat = True;
		1152
		1153	Pixmap overlay_pmap = XCreatePixmap (dpy, pixmap, 1, 1, 32);
		1154	Picture overlay_pic = XRenderCreatePicture (dpy, overlay_pmap, solid_format, CPRepeat, &pa);
		1155	XFreePixmap (dpy, overlay_pmap);
		1156
		1157	pa.component_alpha = True;
		1158	Pixmap mask_pmap = XCreatePixmap (dpy, pixmap, 1, 1, 32);
		1159	Picture mask_pic = XRenderCreatePicture (dpy, mask_pmap, solid_format, CPRepeat | CPComponentAlpha, &pa);
		1160	XFreePixmap (dpy, mask_pmap);
		1161
		1162	XRenderColor mask_c;
		1163
		1164	mask_c.alpha = 0xffff;
		1165	mask_c.red =
		1166	mask_c.green =
		1167	mask_c.blue = 0;
		1168	XRenderFillRectangle (dpy, PictOpSrc, overlay_pic, &mask_c, 0, 0, 1, 1);
		1169
		1170	mask_c.alpha = 0;
		1171	mask_c.red = 0xffff - c.r;
		1172	mask_c.green = 0xffff - c.g;
		1173	mask_c.blue = 0xffff - c.b;
		1174	XRenderFillRectangle (dpy, PictOpSrc, mask_pic, &mask_c, 0, 0, 1, 1);
		1175	XRenderComposite (dpy, PictOpOver, overlay_pic, mask_pic, back_pic, 0, 0, 0, 0, 0, 0, width, height);
		1176
		1177	if (shade > 100)
789	}	1178	{
790	}	1179	mask_c.red = mask_c.green = mask_c.blue = 0xffff * (shade - 100) / 100;
		1180	mask_c.alpha = 0;
		1181	XRenderFillRectangle (dpy, PictOpSrc, overlay_pic, &mask_c, 0, 0, 1, 1);
791		1182
792	return flags;	1183	XRenderComposite (dpy, PictOpOver, overlay_pic, None, back_pic, 0, 0, 0, 0, 0, 0, width, height);
793	}	1184	}
794		1185
795	bool
796	bgPixmap_t::set_tint (rxvt_color &new_tint)
797	{
798	if (tint != new_tint)
799	{
800	unsigned long new_flags = compute_tint_shade_flags (&new_tint, shade);
801	tint = new_tint;
802	flags = (flags & ~tintFlags) | new_flags | tintSet;
803	return true;	1186	ret = true;
804	}
805		1187
806	return false;	1188	XRenderFreePicture (dpy, mask_pic);
807	}	1189	XRenderFreePicture (dpy, overlay_pic);
808		1190	XRenderFreePicture (dpy, back_pic);
809	bool	1191	# endif
810	bgPixmap_t::unset_tint ()
811	{
812	unsigned long new_flags = compute_tint_shade_flags (NULL, shade);
813
814	if (new_flags != (flags & tintFlags))
815	{	1192	}
816	flags = (flags&~tintFlags)|new_flags;
817	return true;
818	}
819		1193
820	return false;	1194	return ret;
821	}	1195	}
822		1196
823	bool	1197	/*
824	bgPixmap_t::set_shade (const char *shade_str)	1198	* Builds a pixmap of the same size as the terminal window that contains
825	{
826	int new_shade = (shade_str) ? atoi (shade_str) : 0;
827
828	if (new_shade < 0 && new_shade > -100)
829	new_shade = 200 - (100 + new_shade);
830	else if (new_shade == 100)
831	new_shade = 0;
832
833	if (new_shade != shade)
834	{
835	unsigned long new_flags = compute_tint_shade_flags ((flags & tintSet) ? &tint : NULL, new_shade);
836	shade = new_shade;
837	flags = (flags & (~tintFlags | tintSet)) | new_flags;
838	return true;
839	}
840
841	return false;
842	}
843
844	/* make_transparency_pixmap()
845	* Builds a pixmap sized the same as terminal window, with depth same as the root window
846	* that pixmap contains tiled portion of the root pixmap that is supposed to be covered by	1199	* the tiled portion of the root pixmap that is supposed to be covered by
847	* our window.	1200	* our window.
848	*/	1201	*/
849	unsigned long	1202	unsigned long
850	bgPixmap_t::make_transparency_pixmap ()	1203	rxvt_term::make_transparency_pixmap ()
851	{	1204	{
852	unsigned long result = 0;	1205	unsigned long result = 0;
853
854	if (target == NULL)
855	return 0;
856		1206
857	/* root dimensions may change from call to call - but Display structure should	1207	/* root dimensions may change from call to call - but Display structure should
858	* be always up-to-date, so let's use it :	1208	* be always up-to-date, so let's use it :
859	*/	1209	*/
860	Window root = target->display->root;
861	int screen = target->display->screen;	1210	int screen = display->screen;
862	Display *dpy = target->dpy;	1211	int root_depth = DefaultDepth (dpy, screen);
863	int root_width = DisplayWidth (dpy, screen);	1212	int root_width = DisplayWidth (dpy, screen);
864	int root_height = DisplayHeight (dpy, screen);	1213	int root_height = DisplayHeight (dpy, screen);
865	unsigned int root_pmap_width, root_pmap_height;	1214	unsigned int root_pmap_width, root_pmap_height;
866	int window_width = target->szHint.width;	1215	int window_width = szHint.width;
867	int window_height = target->szHint.height;	1216	int window_height = szHint.height;
868	int sx, sy;	1217	int sx, sy;
869	XGCValues gcv;	1218	XGCValues gcv;
		1219	GC gc;
870		1220
871	TIMING_TEST_START (tp);	1221	sx = target_x;
872	target->get_window_origin (sx, sy);	1222	sy = target_y;
873		1223
874	/* check if we are outside of the visible part of the virtual screen : */	1224	/* check if we are outside of the visible part of the virtual screen : */
875	if (sx + window_width <= 0 || sy + window_height <= 0	1225	if (sx + window_width <= 0 || sy + window_height <= 0
876	|| sx >= root_width || sy >= root_height)	1226	|| sx >= root_width || sy >= root_height)
877	return 0;	1227	return 0;
878		1228
		1229	// validate root pixmap and get its size
879	if (root_pixmap != None)	1230	if (root_pixmap != None)
880	{	1231	{
881	/* we want to validate the pixmap and get it's size at the same time : */	1232	Window wdummy;
882	int junk;	1233	int idummy;
883	unsigned int ujunk;	1234	unsigned int udummy;
884	/* root pixmap may be bad - allow a error */	1235
885	target->allowedxerror = -1;	1236	allowedxerror = -1;
886		1237
887	if (!XGetGeometry (dpy, root_pixmap, &root, &junk, &junk, &root_pmap_width, &root_pmap_height, &ujunk, &ujunk))	1238	if (!XGetGeometry (dpy, root_pixmap, &wdummy, &idummy, &idummy, &root_pmap_width, &root_pmap_height, &udummy, &udummy))
888	root_pixmap = None;	1239	root_pixmap = None;
889		1240
890	target->allowedxerror = 0;	1241	allowedxerror = 0;
		1242	}
		1243
		1244	Pixmap recoded_root_pmap = root_pixmap;
		1245
		1246	if (root_pixmap != None && root_depth != depth)
891	}	1247	{
		1248	#if XRENDER
		1249	if (bg_flags & BG_HAS_RENDER)
		1250	{
		1251	recoded_root_pmap = XCreatePixmap (dpy, vt, root_pmap_width, root_pmap_height, depth);
892		1252
893	Pixmap tiled_root_pmap = XCreatePixmap (dpy, root, window_width, window_height, root_depth);	1253	XRenderPictureAttributes pa;
894	GC gc = NULL;
895		1254
896	if (tiled_root_pmap == None) /* something really bad happened - abort */	1255	XRenderPictFormat *src_format = XRenderFindVisualFormat (dpy, DefaultVisual (dpy, screen));
		1256	Picture src = XRenderCreatePicture (dpy, root_pixmap, src_format, 0, &pa);
		1257
		1258	XRenderPictFormat *dst_format = XRenderFindVisualFormat (dpy, visual);
		1259	Picture dst = XRenderCreatePicture (dpy, recoded_root_pmap, dst_format, 0, &pa);
		1260
		1261	XRenderComposite (dpy, PictOpSrc, src, None, dst, 0, 0, 0, 0, 0, 0, root_pmap_width, root_pmap_height);
		1262
		1263	XRenderFreePicture (dpy, src);
		1264	XRenderFreePicture (dpy, dst);
		1265	}
		1266	else
		1267	#endif
		1268	recoded_root_pmap = None;
		1269	}
		1270
		1271	if (recoded_root_pmap == None)
897	return 0;	1272	return 0;
898		1273
899	if (root_pixmap == None)	1274	if (bg_pixmap == None
900	{	1275	|| bg_pmap_width != window_width
901	/* use tricks to obtain the root background image :*/	1276	|| bg_pmap_height != window_height)
902	/* we want to create Overrideredirect window overlapping out window
903	with background type of Parent Relative and then grab it */
904	XSetWindowAttributes attr;
905	Window src;
906	bool success = false;
907
908	attr.background_pixmap = ParentRelative;
909	attr.backing_store = Always;
910	attr.event_mask = ExposureMask;
911	attr.override_redirect = True;
912	src = XCreateWindow (dpy, root, sx, sy, window_width, window_height, 0,
913	CopyFromParent, CopyFromParent, CopyFromParent,
914	CWBackPixmap|CWBackingStore|CWOverrideRedirect|CWEventMask,
915	&attr);
916
917	if (src != None)
918	{
919	XEvent event;
920	int ev_count = 0;
921	XGrabServer (dpy);
922	XMapRaised (dpy, src);
923	XSync (dpy, False);
924
925	/* XSync should get window where it's properly exposed,
926	* but to be on the safe side - let's check for the actual event to arrive : */
927	while (XCheckWindowEvent (dpy, src, ExposureMask, &event))
928	++ev_count;
929
930	if (ev_count > 0);
931	{
932	/* hooray! - we can grab the image! */
933	gc = XCreateGC (dpy, root, 0, NULL);
934	if (gc)
935	{
936	XCopyArea (dpy, src, tiled_root_pmap, gc, 0, 0, window_width, window_height, 0, 0);
937	success = true;
938	}
939	}
940
941	XDestroyWindow (dpy, src);
942	XUngrabServer (dpy);
943	//fprintf (stderr, "%s:%d: ev_count = %d\n", __FUNCTION__, __LINE__, ev_count);
944	}
945
946	if (!success)
947	{
948	XFreePixmap (dpy, tiled_root_pmap);
949	tiled_root_pmap = None;
950	}
951	else
952	result |= transpPmapTiled;
953	}	1277	{
954	else	1278	if (bg_pixmap)
		1279	XFreePixmap (dpy, bg_pixmap);
		1280	bg_pixmap = XCreatePixmap (dpy, vt, window_width, window_height, depth);
		1281	bg_pmap_width = window_width;
		1282	bg_pmap_height = window_height;
955	{	1283	}
		1284
956	/* straightforward pixmap copy */	1285	/* straightforward pixmap copy */
		1286	while (sx < 0) sx += root_width;
		1287	while (sy < 0) sy += root_height;
		1288
957	gcv.tile = root_pixmap;	1289	gcv.tile = recoded_root_pmap;
958	gcv.fill_style = FillTiled;	1290	gcv.fill_style = FillTiled;
959
960	while (sx < 0) sx += (int)root_width;
961	while (sy < 0) sy += (int)root_height;
962
963	gcv.ts_x_origin = -sx;	1291	gcv.ts_x_origin = -sx;
964	gcv.ts_y_origin = -sy;	1292	gcv.ts_y_origin = -sy;
965	gc = XCreateGC (dpy, root, GCFillStyle | GCTile | GCTileStipXOrigin | GCTileStipYOrigin, &gcv);	1293	gc = XCreateGC (dpy, vt, GCFillStyle | GCTile | GCTileStipXOrigin | GCTileStipYOrigin, &gcv);
		1294
		1295	if (gc)
		1296	{
		1297	XFillRectangle (dpy, bg_pixmap, gc, 0, 0, window_width, window_height);
		1298	result |= BG_IS_VALID | (bg_flags & BG_EFFECTS_FLAGS);
		1299	XFreeGC (dpy, gc);
		1300
		1301	if (!(bg_flags & BG_CLIENT_RENDER))
		1302	{
		1303	if ((bg_flags & BG_NEEDS_BLUR)
		1304	&& (bg_flags & BG_HAS_RENDER_CONV))
		1305	{
		1306	if (blur_pixmap (bg_pixmap, visual, window_width, window_height))
		1307	result &= ~BG_NEEDS_BLUR;
		1308	}
		1309	if ((bg_flags & BG_NEEDS_TINT)
		1310	&& (bg_flags & (BG_TINT_BITAND | BG_HAS_RENDER)))
		1311	{
		1312	if (tint_pixmap (bg_pixmap, visual, window_width, window_height))
		1313	result &= ~BG_NEEDS_TINT;
		1314	}
		1315	} /* server side rendering completed */
		1316	}
		1317
		1318	if (recoded_root_pmap != root_pixmap)
		1319	XFreePixmap (dpy, recoded_root_pmap);
		1320
		1321	return result;
		1322	}
		1323
		1324	void
		1325	rxvt_term::bg_set_root_pixmap ()
		1326	{
		1327	Pixmap new_root_pixmap = get_pixmap_property (xa[XA_XROOTPMAP_ID]);
		1328	if (new_root_pixmap == None)
		1329	new_root_pixmap = get_pixmap_property (xa[XA_ESETROOT_PMAP_ID]);
		1330
		1331	root_pixmap = new_root_pixmap;
		1332	}
		1333	# endif /* ENABLE_TRANSPARENCY */
		1334
		1335	#if defined(ENABLE_TRANSPARENCY) && !defined(HAVE_AFTERIMAGE)
		1336	static void shade_ximage (Visual *visual, XImage *ximage, int shade, const rgba &c);
		1337	# endif
		1338
		1339	bool
		1340	rxvt_term::bg_render ()
		1341	{
		1342	unsigned long tr_flags = 0;
		1343
		1344	bg_invalidate ();
		1345	# ifdef ENABLE_TRANSPARENCY
		1346	if (bg_flags & BG_IS_TRANSPARENT)
		1347	{
		1348	/* we need to re-generate transparency pixmap in that case ! */
		1349	tr_flags = make_transparency_pixmap ();
		1350	if (tr_flags == 0)
		1351	return false;
		1352	else if (!(tr_flags & BG_EFFECTS_FLAGS))
		1353	bg_flags |= BG_IS_VALID;
		1354	}
		1355	# endif
		1356
		1357	# ifdef BG_IMAGE_FROM_FILE
		1358	if ((bg_flags & BG_IS_FROM_FILE)
		1359	|| (tr_flags & BG_EFFECTS_FLAGS))
		1360	{
		1361	if (render_image (tr_flags))
		1362	bg_flags |= BG_IS_VALID;
		1363	}
		1364	# endif
		1365
		1366	# if defined(ENABLE_TRANSPARENCY) && !defined(HAVE_AFTERIMAGE)
		1367	XImage *result = NULL;
		1368
		1369	if (tr_flags && !(bg_flags & BG_IS_VALID))
		1370	{
		1371	result = XGetImage (dpy, bg_pixmap, 0, 0, bg_pmap_width, bg_pmap_height, AllPlanes, ZPixmap);
		1372	}
		1373
		1374	if (result)
		1375	{
		1376	/* our own client-side tinting */
		1377	if (tr_flags & BG_NEEDS_TINT)
		1378	{
		1379	rgba c (rgba::MAX_CC,rgba::MAX_CC,rgba::MAX_CC);
		1380	if (bg_flags & BG_TINT_SET)
		1381	tint.get (c);
		1382	shade_ximage (DefaultVisual (dpy, display->screen), result, shade, c);
		1383	}
		1384
		1385	GC gc = XCreateGC (dpy, vt, 0UL, NULL);
966		1386
967	if (gc)	1387	if (gc)
968	{	1388	{
969	XFillRectangle (dpy, tiled_root_pmap, gc, 0, 0, window_width, window_height);	1389	XPutImage (dpy, bg_pixmap, gc, result, 0, 0, 0, 0, result->width, result->height);
970	result |= transpPmapTiled;
971	}
972	}
973	TIMING_TEST_PRINT_RESULT (tp);
974		1390
975	if (tiled_root_pmap != None)	1391	XFreeGC (dpy, gc);
976	{	1392	bg_flags |= BG_IS_VALID;
977	if (!need_client_side_rendering ())
978	{	1393	}
979	if ((flags & tintNeeded))
980	{
981	if (flags & tintWholesome)
982	{
983	/* In this case we can tint image server-side getting significant
984	* performance improvements, as we eliminate XImage transfer
985	*/
986	gcv.foreground = Pixel (tint);
987	gcv.function = GXand;
988	gcv.fill_style = FillSolid;
989	if (gc)
990	XChangeGC (dpy, gc, GCFillStyle | GCForeground | GCFunction, &gcv);
991	else
992	gc = XCreateGC (dpy, root, GCFillStyle | GCForeground | GCFunction, &gcv);
993	if (gc)
994	{
995	XFillRectangle (dpy, tiled_root_pmap, gc, 0, 0, window_width, window_height);
996	result |= transpPmapTinted;
997	}
998	}
999	else
1000	{
1001	# if XFT
1002	Picture back_pic = 0;
1003	rgba c (rgba::MAX_CC,rgba::MAX_CC,rgba::MAX_CC);
1004		1394
1005	if (flags & tintSet)	1395	XDestroyImage (result);
1006	tint.get (c);
1007
1008	if (shade > 0 && shade < 100)
1009	{
1010	c.r = (c.r * shade) / 100;
1011	c.g = (c.g * shade) / 100;
1012	c.b = (c.b * shade) / 100;
1013	}
1014	else if (shade > 100 && shade < 200)
1015	{
1016	c.r = (c.r * (200 - shade)) / 100;
1017	c.g = (c.g * (200 - shade)) / 100;
1018	c.b = (c.b * (200 - shade)) / 100;
1019	}
1020
1021	XRenderPictFormat pf;
1022	pf.type = PictTypeDirect;
1023	pf.depth = 32;
1024	pf.direct.redMask = 0xff;
1025	pf.direct.greenMask = 0xff;
1026	pf.direct.blueMask = 0xff;
1027	pf.direct.alphaMask = 0xff;
1028
1029	XRenderPictFormat *solid_format = XRenderFindFormat (dpy,
1030	(PictFormatType|
1031	PictFormatDepth|
1032	PictFormatRedMask|
1033	PictFormatGreenMask|
1034	PictFormatBlueMask|
1035	PictFormatAlphaMask),
1036	&pf,
1037	0);
1038	XRenderPictFormat *root_format = XRenderFindVisualFormat (dpy, DefaultVisualOfScreen (ScreenOfDisplay (dpy, target->display->screen)));
1039	XRenderPictureAttributes pa ;
1040
1041	back_pic = XRenderCreatePicture (dpy, tiled_root_pmap, root_format, 0, &pa);
1042
1043	pa.repeat = True;
1044
1045	Pixmap overlay_pmap = XCreatePixmap (dpy, root, 1, 1, 32);
1046	Picture overlay_pic = XRenderCreatePicture (dpy, overlay_pmap, solid_format, CPRepeat, &pa);
1047	XFreePixmap (dpy, overlay_pmap);
1048
1049	pa.component_alpha = True;
1050	Pixmap mask_pmap = XCreatePixmap (dpy, root, 1, 1, 32);
1051	Picture mask_pic = XRenderCreatePicture (dpy, mask_pmap, solid_format, CPRepeat|CPComponentAlpha, &pa);
1052	XFreePixmap (dpy, mask_pmap);
1053
1054	if (mask_pic && overlay_pic && back_pic)
1055	{
1056	XRenderColor mask_c;
1057
1058	memset (&mask_c, (shade > 100) ? 0xFF : 0x0, sizeof (mask_c));
1059	mask_c.alpha = 0xffff;
1060	XRenderFillRectangle (dpy, PictOpSrc, overlay_pic, &mask_c, 0, 0, 1, 1);
1061
1062	mask_c.alpha = 0;
1063	mask_c.red = 0xffff - c.r;
1064	mask_c.green = 0xffff - c.g;
1065	mask_c.blue = 0xffff - c.b;
1066	XRenderFillRectangle (dpy, PictOpSrc, mask_pic, &mask_c, 0, 0, 1, 1);
1067	XRenderComposite (dpy, PictOpOver, overlay_pic, mask_pic, back_pic, 0, 0, 0, 0, 0, 0, window_width, window_height);
1068	result |= transpPmapTinted;
1069	}
1070
1071	XRenderFreePicture (dpy, mask_pic);
1072	XRenderFreePicture (dpy, overlay_pic);
1073	XRenderFreePicture (dpy, back_pic);
1074	# if DO_TIMING_TEST
1075	XSync (dpy, False);
1076	# endif
1077	# endif
1078	}
1079	}
1080	} /* server side rendering completed */
1081
1082	if (pixmap)
1083	XFreePixmap (dpy, pixmap);
1084
1085	pixmap = tiled_root_pmap;
1086	pmap_width = window_width;
1087	pmap_height = window_height;
1088	pmap_depth = root_depth;
1089	}
1090
1091	if (gc)
1092	XFreeGC (dpy, gc);
1093
1094	TIMING_TEST_PRINT_RESULT (tp);
1095
1096	return result;
1097	}
1098
1099	bool
1100	bgPixmap_t::set_root_pixmap ()
1101	{
1102	Pixmap new_root_pixmap = target->get_pixmap_property (XA_XROOTPMAP_ID);
1103	if (new_root_pixmap == None)
1104	new_root_pixmap = target->get_pixmap_property (XA_ESETROOT_PMAP_ID);
1105
1106	if (new_root_pixmap != root_pixmap)
1107	{	1396	}
1108	root_pixmap = new_root_pixmap;
1109	return true;
1110	}
1111
1112	return false;
1113	}
1114	# endif /* ENABLE_TRANSPARENCY */
1115
1116	# ifndef HAVE_AFTERIMAGE
1117	static void ShadeXImage(rxvt_term *term, XImage *srcImage, int shade, int rm, int gm, int bm);
1118	# endif	1397	# endif
1119		1398
1120	bool	1399	if (!(bg_flags & BG_IS_VALID))
1121	bgPixmap_t::render ()
1122	{
1123	unsigned long background_flags = 0;
1124
1125	if (target == NULL)
1126	return false;
1127
1128	TIMING_TEST_START (tp);
1129
1130	invalidate ();
1131	# ifdef ENABLE_TRANSPARENCY
1132	if (flags & isTransparent)
1133	{
1134	/* we need to re-generate transparency pixmap in that case ! */
1135	background_flags = make_transparency_pixmap ();
1136	if (background_flags == 0)
1137	return false;
1138	else if ((background_flags & transpTransformations) == (flags & transpTransformations)
1139	&& pmap_depth == target->depth)
1140	flags = flags & ~isInvalid;
1141	}	1400	{
1142	# endif
1143
1144	XImage *result = NULL;
1145	# ifdef HAVE_AFTERIMAGE
1146	if (original_asim
1147	|| (background_flags & transpTransformations) != (flags & transpTransformations))
1148	{
1149	target->init_asv ();
1150
1151	ASImage *background = NULL;
1152	ARGB32 as_tint = TINT_LEAVE_SAME;
1153	if (background_flags)
1154	background = pixmap2ximage (target->asv, pixmap, 0, 0, pmap_width, pmap_height, AllPlanes, 100);
1155
1156	# ifdef ENABLE_TRANSPARENCY
1157	if (!(background_flags & transpPmapTinted) && (flags & tintNeeded))
1158	{
1159	ShadingInfo as_shade;
1160	as_shade.shading = (shade == 0) ? 100 : shade;
1161
1162	rgba c (rgba::MAX_CC,rgba::MAX_CC,rgba::MAX_CC);
1163	if (flags & tintSet)
1164	tint.get (c);
1165	as_shade.tintColor.red = c.r;
1166	as_shade.tintColor.green = c.g;
1167	as_shade.tintColor.blue = c.b;
1168
1169	as_tint = shading2tint32 (&as_shade);
1170	}
1171
1172	if (!(background_flags & transpPmapBlured) && (flags & blurNeeded) && background != NULL)
1173	{
1174	ASImage *tmp = blur_asimage_gauss (target->asv, background, h_blurRadius, v_blurRadius, 0xFFFFFFFF,
1175	(original_asim == NULL || tint == TINT_LEAVE_SAME)?ASA_XImage:ASA_ASImage,
1176	100, ASIMAGE_QUALITY_DEFAULT);
1177	if (tmp)
1178	{
1179	destroy_asimage (&background);
1180	background = tmp;
1181	}
1182	}
1183	# endif
1184
1185	if (render_asim (background, as_tint))
1186	flags = flags & ~isInvalid;
1187	if (background)
1188	destroy_asimage (&background);
1189	}
1190	else if (background_flags && pmap_depth != target->depth)
1191	result = XGetImage (target->dpy, pixmap, 0, 0, pmap_width, pmap_height, AllPlanes, ZPixmap);
1192
1193	# elif !XFT /* our own client-side tinting */
1194
1195	/* ATTENTION: We ASSUME that XFT will let us do all the tinting necessary server-side.
1196	This may need to be changed in need_client_side_rendering() logic is altered !!! */
1197
1198	if (background_flags && (flags & isInvalid))
1199	{
1200	result = XGetImage (target->dpy, pixmap, 0, 0, pmap_width, pmap_height, AllPlanes, ZPixmap);
1201
1202	if (result != NULL && !(background_flags & transpPmapTinted) && (flags & tintNeeded))
1203	{
1204	rgba c (rgba::MAX_CC,rgba::MAX_CC,rgba::MAX_CC);
1205	if (flags & tintSet)
1206	tint.get (c);
1207	ShadeXImage (target, result, shade, c.r, c.g, c.b);
1208	}
1209	}
1210	# endif /* HAVE_AFTERIMAGE */
1211
1212	if (result)
1213	{
1214	GC gc = XCreateGC (target->dpy, target->vt, 0UL, NULL);
1215
1216	if (gc)
1217	{
1218	if (/*pmap_depth != target->depth &&*/ pixmap != None)
1219	{
1220	XFreePixmap (target->dpy, pixmap);
1221	pixmap = None;
1222	}
1223
1224	if (pixmap == None)
1225	{
1226	pixmap = XCreatePixmap (target->dpy, target->vt, result->width, result->height, target->depth);
1227	pmap_width = result->width;
1228	pmap_height = result->height;
1229	pmap_depth = target->depth;
1230	}
1231
1232	if (pmap_depth != result->depth)
1233	{
1234	/* Bad Match error will ensue ! stupid X !!!! */
1235	if (result->depth == 24 && pmap_depth == 32)
1236	result->depth = 32;
1237	else if (result->depth == 32 && pmap_depth == 24)
1238	result->depth = 24;
1239	else
1240	{
1241	/* TODO: implement image recoding */
1242	}
1243	}
1244
1245	if (pmap_depth == result->depth)
1246	XPutImage (target->dpy, pixmap, gc, result, 0, 0, 0, 0, result->width, result->height);
1247
1248	XFreeGC (target->dpy, gc);
1249	flags = flags & ~isInvalid;
1250	}
1251
1252	XDestroyImage (result);
1253	}
1254
1255	if (flags & isInvalid)
1256	{
1257	if (pixmap != None)	1401	if (bg_pixmap != None)
1258	{	1402	{
1259	XFreePixmap (target->dpy, pixmap);	1403	XFreePixmap (dpy, bg_pixmap);
1260	pixmap = None;	1404	bg_pixmap = None;
1261	}	1405	}
1262	}	1406	}
1263		1407
1264	apply ();	1408	scr_recolour (false);
		1409	bg_flags |= BG_NEEDS_REFRESH;
1265		1410
1266	XSync (target->dpy, False);
1267	valid_since = ev::now ();	1411	bg_valid_since = ev::now ();
1268
1269	TIMING_TEST_PRINT_RESULT (tp);
1270		1412
1271	return true;	1413	return true;
1272	}	1414	}
1273		1415
1274	bool
1275	bgPixmap_t::set_target (rxvt_term *new_target)
1276	{
1277	if (new_target)
1278	if (target != new_target)
1279	{
1280	target = new_target;
1281	# ifdef ENABLE_TRANSPARENCY
1282	root_depth = DefaultDepthOfScreen (ScreenOfDisplay (target->dpy, target->display->screen));
1283	# endif
1284	return true;
1285	}
1286
1287	return false;
1288	}
1289
1290	void	1416	void
1291	bgPixmap_t::apply ()	1417	rxvt_term::bg_init ()
1292	{	1418	{
1293	if (target)
1294	{
1295	flags &= ~isVtOrigin;
1296
1297	if (pixmap != None)
1298	{
1299	/* set target's background to pixmap */
1300	# ifdef ENABLE_TRANSPARENCY	1419	#ifdef ENABLE_TRANSPARENCY
1301	if (flags & isTransparent)	1420	shade = 100;
1302	{
1303	XSetWindowBackgroundPixmap (target->dpy, target->parent[0], pixmap);
1304	XSetWindowBackgroundPixmap (target->dpy, target->vt, ParentRelative);
1305
1306	if (target->scrollBar.win)
1307	XSetWindowBackgroundPixmap (target->dpy, target->scrollBar.win, ParentRelative);
1308	}
1309	else
1310	# endif	1421	#endif
1311	{
1312	flags |= isVtOrigin;
1313	/* force old pixmap dereference in case it was transparent before :*/
1314	XSetWindowBackground (target->dpy, target->parent[0], target->pix_colors[Color_border]);
1315	XSetWindowBackgroundPixmap (target->dpy, target->vt, pixmap);
1316	/* do we also need to set scrollbar's background here ? */
1317		1422
1318	if (target->scrollBar.win)	1423	bg_flags &= ~(BG_HAS_RENDER | BG_HAS_RENDER_CONV);
1319	XSetWindowBackground (target->dpy, target->scrollBar.win, target->pix_colors[Color_border]);	1424	#if XRENDER
1320	}	1425	int major, minor;
1321	}	1426	if (XRenderQueryVersion (dpy, &major, &minor))
1322	else	1427	bg_flags |= BG_HAS_RENDER;
1323	{	1428	XFilters *filters = XRenderQueryFilters (dpy, vt);
1324	/* set target background to a pixel */	1429	if (filters)
1325	XSetWindowBackground (target->dpy, target->parent[0], target->pix_colors[Color_border]);
1326	XSetWindowBackground (target->dpy, target->vt, target->pix_colors[Color_bg]);
1327	/* do we also need to set scrollbar's background here ? */
1328	if (target->scrollBar.win)
1329	XSetWindowBackground (target->dpy, target->scrollBar.win, target->pix_colors[Color_border]);
1330	}
1331
1332	/* don't want Expose on the parent or vt. It is better to use
1333	scr_touch or we get a great deal of flicker otherwise: */
1334	XClearWindow (target->dpy, target->parent[0]);
1335
1336	if (target->scrollBar.state && target->scrollBar.win)
1337	{
1338	target->scrollBar.state = STATE_IDLE;
1339	target->scrollBar.show (0);
1340	}
1341
1342	target->want_refresh = 1;
1343	flags |= hasChanged;
1344	}	1430	{
		1431	for (int i = 0; i < filters->nfilter; i++)
		1432	if (!strcmp (filters->filter[i], FilterConvolution))
		1433	bg_flags |= BG_HAS_RENDER_CONV;
		1434
		1435	XFree (filters);
		1436	}
		1437	#endif
1345	}	1438	}
1346		1439
1347	#endif /* HAVE_BG_PIXMAP */	1440	#endif /* HAVE_BG_PIXMAP */
1348		1441
1349	#if defined(ENABLE_TRANSPARENCY) && !defined(HAVE_AFTERIMAGE) && !XFT	1442	#if defined(ENABLE_TRANSPARENCY) && !defined(HAVE_AFTERIMAGE)
1350	/* taken from aterm-0.4.2 */	1443	/* taken from aterm-0.4.2 */
1351		1444
1352	typedef uint32_t RUINT32T;
1353
1354	static void	1445	static void
1355	ShadeXImage(rxvt_term *term, XImage *srcImage, int shade, int rm, int gm, int bm)	1446	shade_ximage (Visual *visual, XImage *ximage, int shade, const rgba &c)
1356	{	1447	{
1357	int sh_r, sh_g, sh_b;	1448	int sh_r, sh_g, sh_b;
1358	RUINT32T mask_r, mask_g, mask_b;	1449	uint32_t mask_r, mask_g, mask_b;
1359	RUINT32T *lookup, *lookup_r, *lookup_g, *lookup_b;	1450	uint32_t *lookup, *lookup_r, *lookup_g, *lookup_b;
1360	unsigned int lower_lim_r, lower_lim_g, lower_lim_b;	1451	rgba low;
1361	unsigned int upper_lim_r, upper_lim_g, upper_lim_b;	1452	rgba high;
1362	int i;	1453	int i;
		1454	int host_byte_order = ecb_big_endian () ? MSBFirst : LSBFirst;
1363		1455
1364	Visual *visual = term->visual;
1365
1366	if (visual->c_class != TrueColor || srcImage->format != ZPixmap) return ;	1456	if (visual->c_class != TrueColor || ximage->format != ZPixmap) return;
1367
1368	if (shade == 0)
1369	shade = 100;
1370		1457
1371	/* for convenience */	1458	/* for convenience */
1372	mask_r = visual->red_mask;	1459	mask_r = visual->red_mask;
1373	mask_g = visual->green_mask;	1460	mask_g = visual->green_mask;
1374	mask_b = visual->blue_mask;	1461	mask_b = visual->blue_mask;
1375		1462
1376	/* boring lookup table pre-initialization */	1463	/* boring lookup table pre-initialization */
1377	switch (srcImage->bits_per_pixel) {	1464	switch (ximage->depth)
		1465	{
1378	case 15:	1466	case 15:
1379	if ((mask_r != 0x7c00) ||	1467	if ((mask_r != 0x7c00) ||
1380	(mask_g != 0x03e0) ||	1468	(mask_g != 0x03e0) ||
1381	(mask_b != 0x001f))	1469	(mask_b != 0x001f))
1382	return;	1470	return;
1383	lookup = (RUINT32T *) malloc (sizeof (RUINT32T)*(32+32+32));	1471	lookup = (uint32_t *) malloc (sizeof (uint32_t)*(32+32+32));
1384	lookup_r = lookup;	1472	lookup_r = lookup;
1385	lookup_g = lookup+32;	1473	lookup_g = lookup+32;
1386	lookup_b = lookup+32+32;	1474	lookup_b = lookup+32+32;
1387	sh_r = 10;	1475	sh_r = 10;
1388	sh_g = 5;	1476	sh_g = 5;
1389	sh_b = 0;	1477	sh_b = 0;
1390	break;	1478	break;
1391	case 16:	1479	case 16:
1392	if ((mask_r != 0xf800) ||	1480	if ((mask_r != 0xf800) ||
1393	(mask_g != 0x07e0) ||	1481	(mask_g != 0x07e0) ||
1394	(mask_b != 0x001f))	1482	(mask_b != 0x001f))
1395	return;	1483	return;
1396	lookup = (RUINT32T *) malloc (sizeof (RUINT32T)*(32+64+32));	1484	lookup = (uint32_t *) malloc (sizeof (uint32_t)*(32+64+32));
1397	lookup_r = lookup;	1485	lookup_r = lookup;
1398	lookup_g = lookup+32;	1486	lookup_g = lookup+32;
1399	lookup_b = lookup+32+64;	1487	lookup_b = lookup+32+64;
1400	sh_r = 11;	1488	sh_r = 11;
1401	sh_g = 5;	1489	sh_g = 5;
1402	sh_b = 0;	1490	sh_b = 0;
1403	break;	1491	break;
1404	case 24:	1492	case 24:
1405	if ((mask_r != 0xff0000) ||	1493	if ((mask_r != 0xff0000) ||
1406	(mask_g != 0x00ff00) ||	1494	(mask_g != 0x00ff00) ||
1407	(mask_b != 0x0000ff))	1495	(mask_b != 0x0000ff))
1408	return;	1496	return;
1409	lookup = (RUINT32T *) malloc (sizeof (RUINT32T)*(256+256+256));	1497	lookup = (uint32_t *) malloc (sizeof (uint32_t)*(256+256+256));
1410	lookup_r = lookup;	1498	lookup_r = lookup;
1411	lookup_g = lookup+256;	1499	lookup_g = lookup+256;
1412	lookup_b = lookup+256+256;	1500	lookup_b = lookup+256+256;
1413	sh_r = 16;	1501	sh_r = 16;
1414	sh_g = 8;	1502	sh_g = 8;
1415	sh_b = 0;	1503	sh_b = 0;
1416	break;	1504	break;
1417	case 32:	1505	case 32:
1418	if ((mask_r != 0xff0000) ||	1506	if ((mask_r != 0xff0000) ||
1419	(mask_g != 0x00ff00) ||	1507	(mask_g != 0x00ff00) ||
1420	(mask_b != 0x0000ff))	1508	(mask_b != 0x0000ff))
1421	return;	1509	return;
1422	lookup = (RUINT32T *) malloc (sizeof (RUINT32T)*(256+256+256));	1510	lookup = (uint32_t *) malloc (sizeof (uint32_t)*(256+256+256));
1423	lookup_r = lookup;	1511	lookup_r = lookup;
1424	lookup_g = lookup+256;	1512	lookup_g = lookup+256;
1425	lookup_b = lookup+256+256;	1513	lookup_b = lookup+256+256;
1426	sh_r = 16;	1514	sh_r = 16;
1427	sh_g = 8;	1515	sh_g = 8;
1428	sh_b = 0;	1516	sh_b = 0;
1429	break;	1517	break;
1430	default:	1518	default:
1431	return; /* we do not support this color depth */	1519	return; /* we do not support this color depth */
1432	}	1520	}
1433		1521
1434	/* prepare limits for color transformation (each channel is handled separately) */	1522	/* prepare limits for color transformation (each channel is handled separately) */
1435	if (shade < 0) {	1523	if (shade > 100)
		1524	{
1436	shade = -shade;	1525	shade = 200 - shade;
1437	if (shade < 0) shade = 0;
1438	if (shade > 100) shade = 100;
1439		1526
1440	lower_lim_r = 65535-rm;	1527	high.r = c.r * shade / 100;
1441	lower_lim_g = 65535-gm;	1528	high.g = c.g * shade / 100;
1442	lower_lim_b = 65535-bm;	1529	high.b = c.b * shade / 100;
1443		1530
1444	lower_lim_r = 65535-(unsigned int)(((RUINT32T)lower_lim_r)*((RUINT32T)shade)/100);	1531	low.r = 65535 * (100 - shade) / 100;
1445	lower_lim_g = 65535-(unsigned int)(((RUINT32T)lower_lim_g)*((RUINT32T)shade)/100);	1532	low.g = 65535 * (100 - shade) / 100;
1446	lower_lim_b = 65535-(unsigned int)(((RUINT32T)lower_lim_b)*((RUINT32T)shade)/100);	1533	low.b = 65535 * (100 - shade) / 100;
1447
1448	upper_lim_r = upper_lim_g = upper_lim_b = 65535;
1449	} else {
1450	if (shade < 0) shade = 0;
1451	if (shade > 100) shade = 100;
1452
1453	lower_lim_r = lower_lim_g = lower_lim_b = 0;
1454
1455	upper_lim_r = (unsigned int)((((RUINT32T)rm)*((RUINT32T)shade))/100);
1456	upper_lim_g = (unsigned int)((((RUINT32T)gm)*((RUINT32T)shade))/100);
1457	upper_lim_b = (unsigned int)((((RUINT32T)bm)*((RUINT32T)shade))/100);
1458	}	1534	}
1459		1535	else
1460	/* switch red and blue bytes if necessary, we need it for some weird XServers like XFree86 3.3.3.1 */
1461	if ((srcImage->bits_per_pixel == 24) && (mask_r >= 0xFF0000 ))
1462	{	1536	{
1463	unsigned int tmp;	1537	high.r = c.r * shade / 100;
		1538	high.g = c.g * shade / 100;
		1539	high.b = c.b * shade / 100;
1464		1540
1465	tmp = lower_lim_r;	1541	low.r = low.g = low.b = 0;
1466	lower_lim_r = lower_lim_b;
1467	lower_lim_b = tmp;
1468
1469	tmp = upper_lim_r;
1470	upper_lim_r = upper_lim_b;
1471	upper_lim_b = tmp;
1472	}	1542	}
1473		1543
1474	/* fill our lookup tables */	1544	/* fill our lookup tables */
1475	for (i = 0; i <= mask_r>>sh_r; i++)	1545	for (i = 0; i <= mask_r>>sh_r; i++)
1476	{	1546	{
1477	RUINT32T tmp;	1547	uint32_t tmp;
1478	tmp = ((RUINT32T)i)*((RUINT32T)(upper_lim_r-lower_lim_r));	1548	tmp = i * high.r;
1479	tmp += ((RUINT32T)(mask_r>>sh_r))*((RUINT32T)lower_lim_r);	1549	tmp += (mask_r>>sh_r) * low.r;
1480	lookup_r[i] = (tmp/65535)<<sh_r;	1550	lookup_r[i] = (tmp/65535)<<sh_r;
1481	}	1551	}
1482	for (i = 0; i <= mask_g>>sh_g; i++)	1552	for (i = 0; i <= mask_g>>sh_g; i++)
1483	{	1553	{
1484	RUINT32T tmp;	1554	uint32_t tmp;
1485	tmp = ((RUINT32T)i)*((RUINT32T)(upper_lim_g-lower_lim_g));	1555	tmp = i * high.g;
1486	tmp += ((RUINT32T)(mask_g>>sh_g))*((RUINT32T)lower_lim_g);	1556	tmp += (mask_g>>sh_g) * low.g;
1487	lookup_g[i] = (tmp/65535)<<sh_g;	1557	lookup_g[i] = (tmp/65535)<<sh_g;
1488	}	1558	}
1489	for (i = 0; i <= mask_b>>sh_b; i++)	1559	for (i = 0; i <= mask_b>>sh_b; i++)
1490	{	1560	{
1491	RUINT32T tmp;	1561	uint32_t tmp;
1492	tmp = ((RUINT32T)i)*((RUINT32T)(upper_lim_b-lower_lim_b));	1562	tmp = i * high.b;
1493	tmp += ((RUINT32T)(mask_b>>sh_b))*((RUINT32T)lower_lim_b);	1563	tmp += (mask_b>>sh_b) * low.b;
1494	lookup_b[i] = (tmp/65535)<<sh_b;	1564	lookup_b[i] = (tmp/65535)<<sh_b;
1495	}	1565	}
1496		1566
1497	/* apply table to input image (replacing colors by newly calculated ones) */	1567	/* apply table to input image (replacing colors by newly calculated ones) */
1498	switch (srcImage->bits_per_pixel)	1568	if (ximage->bits_per_pixel == 32
		1569	&& (ximage->depth == 24 || ximage->depth == 32)
		1570	&& ximage->byte_order == host_byte_order)
1499	{	1571	{
1500	case 15:
1501	{
1502	unsigned short *p1, *pf, *p, *pl;	1572	uint32_t *p1, *pf, *p, *pl;
1503	p1 = (unsigned short *) srcImage->data;	1573	p1 = (uint32_t *) ximage->data;
1504	pf = (unsigned short *) (srcImage->data + srcImage->height * srcImage->bytes_per_line);	1574	pf = (uint32_t *) (ximage->data + ximage->height * ximage->bytes_per_line);
		1575
1505	while (p1 < pf)	1576	while (p1 < pf)
1506	{	1577	{
1507	p = p1;	1578	p = p1;
1508	pl = p1 + srcImage->width;	1579	pl = p1 + ximage->width;
1509	for (; p < pl; p++)	1580	for (; p < pl; p++)
1510	{	1581	{
1511	*p = lookup_r[(*p & 0x7c00)>>10] |
1512	lookup_g[(*p & 0x03e0)>> 5] |
1513	lookup_b[(*p & 0x001f)];
1514	}
1515	p1 = (unsigned short *) ((char *) p1 + srcImage->bytes_per_line);
1516	}
1517	break;
1518	}
1519	case 16:
1520	{
1521	unsigned short *p1, *pf, *p, *pl;
1522	p1 = (unsigned short *) srcImage->data;
1523	pf = (unsigned short *) (srcImage->data + srcImage->height * srcImage->bytes_per_line);
1524	while (p1 < pf)
1525	{
1526	p = p1;
1527	pl = p1 + srcImage->width;
1528	for (; p < pl; p++)
1529	{
1530	*p = lookup_r[(*p & 0xf800)>>11] |
1531	lookup_g[(*p & 0x07e0)>> 5] |
1532	lookup_b[(*p & 0x001f)];
1533	}
1534	p1 = (unsigned short *) ((char *) p1 + srcImage->bytes_per_line);
1535	}
1536	break;
1537	}
1538	case 24:
1539	{
1540	unsigned char *p1, *pf, *p, *pl;
1541	p1 = (unsigned char *) srcImage->data;
1542	pf = (unsigned char *) (srcImage->data + srcImage->height * srcImage->bytes_per_line);
1543	while (p1 < pf)
1544	{
1545	p = p1;
1546	pl = p1 + srcImage->width * 3;
1547	for (; p < pl; p += 3)
1548	{
1549	p[0] = lookup_r[(p[0] & 0xff0000)>>16];
1550	p[1] = lookup_r[(p[1] & 0x00ff00)>> 8];
1551	p[2] = lookup_r[(p[2] & 0x0000ff)];
1552	}
1553	p1 = (unsigned char *) ((char *) p1 + srcImage->bytes_per_line);
1554	}
1555	break;
1556	}
1557	case 32:
1558	{
1559	RUINT32T *p1, *pf, *p, *pl;
1560	p1 = (RUINT32T *) srcImage->data;
1561	pf = (RUINT32T *) (srcImage->data + srcImage->height * srcImage->bytes_per_line);
1562
1563	while (p1 < pf)
1564	{
1565	p = p1;
1566	pl = p1 + srcImage->width;
1567	for (; p < pl; p++)
1568	{
1569	*p = lookup_r[(*p & 0xff0000)>>16] |	1582	*p = lookup_r[(*p & 0xff0000) >> 16] |
1570	lookup_g[(*p & 0x00ff00)>> 8] |	1583	lookup_g[(*p & 0x00ff00) >> 8] |
1571	lookup_b[(*p & 0x0000ff)] |	1584	lookup_b[(*p & 0x0000ff)] |
1572	(*p & ~0xffffff);	1585	(*p & 0xff000000);
		1586	}
		1587	p1 = (uint32_t *) ((char *) p1 + ximage->bytes_per_line);
		1588	}
		1589	}
		1590	else
		1591	{
		1592	for (int y = 0; y < ximage->height; y++)
		1593	for (int x = 0; x < ximage->width; x++)
		1594	{
		1595	unsigned long pixel = XGetPixel (ximage, x, y);
		1596	pixel = lookup_r[(pixel & mask_r) >> sh_r] |
		1597	lookup_g[(pixel & mask_g) >> sh_g] |
		1598	lookup_b[(pixel & mask_b) >> sh_b];
		1599	XPutPixel (ximage, x, y, pixel);
1573	}	1600	}
1574	p1 = (RUINT32T *) ((char *) p1 + srcImage->bytes_per_line);
1575	}	1601	}
1576	break;
1577	}
1578	}
1579		1602
1580	free (lookup);	1603	free (lookup);
1581	}	1604	}
1582	#endif /* defined(ENABLE_TRANSPARENCY) && !defined(HAVE_AFTERIMAGE) */	1605	#endif /* defined(ENABLE_TRANSPARENCY) && !defined(HAVE_AFTERIMAGE) */

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