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Comparing rxvt-unicode/src/background.C (file contents):
Revision 1.13 by sasha, Thu Nov 15 18:40:10 2007 UTC vs.
Revision 1.160 by sf-exg, Thu Aug 11 08:37:17 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) 1997 Carsten Haitzler <raster@zip.com.au>
7	* Copyright (c) 1997,1998 Oezguer Kesim <kesim@math.fu-berlin.de>
8	* Copyright (c) 1998-2001 Geoff Wing <gcw@pobox.com>
9	* Copyright (c) 2005-2006 Marc Lehmann <pcg@goof.com>	6	* Copyright (c) 2005-2008 Marc Lehmann <schmorp@schmorp.de>
10	* 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>
11	*	9	*
12	* 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
13	* 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
14	* the Free Software Foundation; either version 2 of the License, or	12	* the Free Software Foundation; either version 2 of the License, or
15	* (at your option) any later version.	13	* (at your option) any later version.
…		…
22	* 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
23	* along with this program; if not, write to the Free Software	21	* along with this program; if not, write to the Free Software
24	* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.	22	* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
25	*---------------------------------------------------------------------*/	23	*---------------------------------------------------------------------*/
26		24
		25	#include <cmath>
27	#include "../config.h" /* NECESSARY */	26	#include "../config.h" /* NECESSARY */
28	#include "rxvt.h" /* NECESSARY */	27	#include "rxvt.h" /* NECESSARY */
29		28
30	#define DO_TIMING_TEST 0	29	#if XRENDER
		30	# include <X11/extensions/Xrender.h>
		31	#endif
31		32
32	#if DO_TIMING_TEST	33	#ifndef FilterConvolution
33	#define TIMING_TEST_START(id) \	34	#define FilterConvolution "convolution"
34	struct timeval timing_test_##id##_stv;\
35	gettimeofday (&timing_test_##id##_stv, NULL);
36
37	#define TIMING_TEST_PRINT_RESULT(id) \
38	do{ struct timeval tv;gettimeofday (&tv, NULL); tv.tv_sec -= (timing_test_##id##_stv).tv_sec;\
39	fprintf (stderr, "%s: %s: %d: elapsed %ld usec\n", #id, __FILE__, __LINE__,\
40	tv.tv_sec * 1000000 + tv.tv_usec - (timing_test_##id##_stv).tv_usec);}while (0)
41
42	#else
43	#define TIMING_TEST_START(id) do{}while (0)
44	#define TIMING_TEST_PRINT_RESULT(id) do{}while (0)
45	#endif	35	#endif
46		36
47	/*	37	/*
48	* Pixmap geometry string interpretation :	38	* Pixmap geometry string interpretation :
49	* Each geometry string contains zero or one scale/position	39	* Each geometry string contains zero or one scale/position
50	* 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
51	* colon-delimited pixmap operations.	41	* colon-delimited pixmap operations.
52	* The following table shows the valid geometry strings and their	42	* The following table shows the valid geometry strings and their
53	* affects on the background image :	43	* effects on the background image :
54	*	44	*
55	* 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%.
56	* W and H are percentages of the terminal window size.	46	* W and H are percentages of the terminal window size.
57	* X and Y are also percentages; e.g., +50+50 centers	47	* X and Y are also percentages; e.g., +50+50 centers
58	* the image in the window.	48	* the image in the window.
59	* WxH+X Assumes Y == X
60	* WxH Assumes Y == X == 50 (centers the image)
61	* W+X+Y Assumes H == W
62	* W+X Assumes H == W and Y == X
63	* W Assumes H == W and Y == X == 50
64	*
65	* Adjusting position only :
66	* =+X+Y Set position to X% by Y% (absolute).
67	* =+X Set position to X% by X%.
68	* +X+Y Adjust position horizontally X% and vertically Y%
69	* from current position (relative).
70	* +X Adjust position horizontally X% and vertically X%
71	* from current position.
72	*
73	* Adjusting scale only :
74	* Wx0 Multiply horizontal scaling factor by W%
75	* 0xH Multiply vertical scaling factor by H%
76	* 0x0 No scaling (show image at normal size).
77	*	49	*
78	* Pixmap Operations : (should be prepended by a colon)	50	* Pixmap Operations : (should be prepended by a colon)
79	* tile Tile image. Scaling/position modifiers above will affect
80	* the tile size and origin.
81	* propscale When scaling, scale proportionally. That is, maintain the
82	* proper aspect ratio for the image. Any portion of the
83	* background not covered by the image is filled with the
84	* current background color.
85	* hscale Scale horizontally, tile vertically ?
86	* vscale Tile horizontally, scale vertically ?
87	* scale Scale both up and down
88	* auto Same as 100x100+50+50
89	*/	51	*/
90		52
91	#ifdef HAVE_BG_PIXMAP	53	#ifdef HAVE_BG_PIXMAP
92	bgPixmap_t::bgPixmap_t()	54	void
93	{	55	rxvt_term::bg_destroy ()
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	}
104
105	bgPixmap_t::~bgPixmap_t()
106	{	56	{
107	#ifdef HAVE_AFTERIMAGE	57	#ifdef HAVE_AFTERIMAGE
108	if (original_asim)	58	if (original_asim)
109	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);
110	#endif	64	#endif
111	if (pixmap && target)	65
		66	#ifdef HAVE_PIXBUF
		67	if (pixbuf)
		68	g_object_unref (pixbuf);
		69	#endif
		70
		71	if (bg_pixmap)
112	XFreePixmap (target->dpy, pixmap);	72	XFreePixmap (dpy, bg_pixmap);
113	}	73	}
114		74
115	bool	75	bool
116	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 ()
117	{	91	{
118	# ifdef ENABLE_TRANSPARENCY	92	# ifdef ENABLE_TRANSPARENCY
119	if (flags & isTransparent)	93	if (bg_flags & BG_IS_TRANSPARENT)
120	return true;	94	return true;
121	# endif	95	# endif
122		96
123	# ifdef BG_IMAGE_FROM_FILE	97	# ifdef BG_IMAGE_FROM_FILE
124	# ifdef HAVE_AFTERIMAGE	98	if (bg_flags & BG_IS_FROM_FILE)
125	if (original_asim != NULL)
126	# endif
127	{	99	{
128	if (h_scale != 0 || v_scale != 0	100	if (bg_flags & BG_IS_SIZE_SENSITIVE)
129	|| h_align != 0 || v_align != 0)
130	return true;	101	return true;
131	}	102	}
132	# endif	103	# endif
133		104
134	return false;	105	return false;
135	}	106	}
136		107
137	bool	108	bool
138	bgPixmap_t::window_position_sensitive ()	109	rxvt_term::bg_window_position_sensitive ()
139	{	110	{
140	# ifdef ENABLE_TRANSPARENCY	111	# ifdef ENABLE_TRANSPARENCY
141	if (flags & isTransparent)	112	if (bg_flags & BG_IS_TRANSPARENT)
142	return true;	113	return true;
143	# endif	114	# endif
144		115
145	# ifdef BG_IMAGE_FROM_FILE	116	# ifdef BG_IMAGE_FROM_FILE
146	# ifdef HAVE_AFTERIMAGE	117	if (bg_flags & BG_IS_FROM_FILE)
147	if (original_asim != NULL)
148	# endif
149	{	118	{
150	if (h_align == rootAlign || v_align == rootAlign)	119	if (bg_flags & BG_ROOT_ALIGN)
151	return true;	120	return true;
152	}	121	}
153	# endif	122	# endif
154		123
155	return false;
156	};
157
158	bool bgPixmap_t::need_client_side_rendering ()
159	{
160	# ifdef HAVE_AFTERIMAGE
161	if (original_asim != NULL)
162	return true;
163	# endif
164	# ifdef ENABLE_TRANSPARENCY
165	if (flags & isTransparent)
166	{
167	# ifdef HAVE_AFTERIMAGE // can't blur without libAI anyways
168	if ((flags & blurNeeded) && !(flags & blurServerSide))
169	return true;
170	# endif
171	if ((flags & tintNeeded) && !(flags & tintServerSide))
172	return true;
173	}
174	# endif
175	return false;	124	return false;
176	}	125	}
177		126
178	# ifdef BG_IMAGE_FROM_FILE	127	# ifdef BG_IMAGE_FROM_FILE
179	static inline bool	128	static inline bool
…		…
195	static inline bool	144	static inline bool
196	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)
197	{	146	{
198	if (geom_flags & flag)	147	if (geom_flags & flag)
199	{	148	{
200	if (new_value != bgPixmap_t::rootAlign)
201	{
202	if (new_value < -100)	149	if (new_value < -100)
203	new_value = -100;	150	new_value = -100;
204	else if (new_value > 200)	151	else if (new_value > 200)
205	new_value = 200;	152	new_value = 200;
206	}
207	if (new_value != align)	153	if (new_value != align)
208	{	154	{
209	align = new_value;	155	align = new_value;
210	return true;	156	return true;
211	}	157	}
…		…
215		161
216	static inline int	162	static inline int
217	make_align_position (int align, int window_size, int image_size)	163	make_align_position (int align, int window_size, int image_size)
218	{	164	{
219	int diff = window_size - image_size;	165	int diff = window_size - image_size;
220	int smaller = MIN (image_size,window_size);	166	int smaller = min (image_size, window_size);
221		167
222	if (align >= 0 && align <= 50)	168	if (align >= 0 && align <= 100)
223	return diff * align / 100;	169	return diff * align / 100;
224	else if (align > 50 && align <= 100)
225	return window_size - image_size - diff * (100 - align) / 100;
226	else if (align > 100 && align <= 200 )	170	else if (align > 100 && align <= 200)
227	return ((align - 100) * smaller / 100) + window_size - smaller;	171	return ((align - 100) * smaller / 100) + window_size - smaller;
228	else if (align > -100 && align < 0)	172	else if (align >= -100 && align < 0)
229	return ((align + 100) * smaller / 100) - image_size;	173	return ((align + 100) * smaller / 100) - image_size;
230	return 0;	174	return 0;
231	}	175	}
232		176
233	static inline int	177	static inline int
234	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)
235	{	179	{
236	int src_pos = 0;	180	int src_pos = 0;
237	dst_pos = 0;	181	dst_pos = pos;
238	dst_size = size;	182	dst_size = size;
239	if (pos < 0 && size > target_size)	183	if (pos < 0)
240	{	184	{
241	src_pos = -pos;	185	src_pos = -pos;
		186	dst_pos = 0;
242	dst_size += pos;	187	dst_size += pos;
243	}	188	}
244	else if (pos > 0)
245	dst_pos = pos;
246		189
247	if (dst_pos + dst_size > target_size)	190	if (dst_pos + dst_size > target_size)
248	dst_size = target_size - dst_pos;	191	dst_size = target_size - dst_pos;
249	return src_pos;	192	return src_pos;
250	}	193	}
251		194
252	bool	195	bool
253	bgPixmap_t::set_geometry (const char *geom)	196	rxvt_term::bg_set_geometry (const char *geom, bool update)
254	{	197	{
		198	bool changed = false;
255	int geom_flags = 0, changed = 0;	199	int geom_flags = 0;
256	int x = 0, y = 0;	200	int x = 0, y = 0;
257	unsigned int w = 0, h = 0;	201	unsigned int w = 0, h = 0;
258	unsigned int n;	202	unsigned int n;
259	unsigned long new_flags = (flags & (~geometryFlags));	203	unsigned long new_flags = (bg_flags & (~BG_GEOMETRY_FLAGS));
260	char *p;	204	const char *ops;
261	# define MAXLEN_GEOM 256 /* could be longer then regular geometry string */
262		205
263	if (geom == NULL)	206	if (geom == NULL)
264	return false;	207	return false;
265		208
266	char str[MAXLEN_GEOM];	209	char str[256];
267		210
268	while (isspace(*geom)) ++geom;
269	if ((p = strchr (geom, ';')) == NULL)
270	p = strchr (geom, '\0');	211	ops = strchr (geom, ':');
271		212	if (ops == NULL)
		213	n = strlen (geom);
		214	else
272	n = (p - geom);	215	n = ops - geom;
273	if (n < MAXLEN_GEOM)
274	{
275	char *ops;
276	new_flags |= geometrySet;
277		216
		217	if (n >= sizeof (str))
		218	return false;
		219
278	strncpy (str, geom, n);	220	memcpy (str, geom, n);
279	str[n] = '\0';	221	str[n] = '\0';
280	if (str[0] == ':')	222	rxvt_strtrim (str);
281	ops = &str[0];
282	else if (str[0] != 'x' && str[0] != 'X' && isalpha(str[0]))
283	ops = &str[0];
284	else
285	{
286	char *tmp;
287	ops = strchr (str, ':');
288	if (ops != NULL)
289	{
290	for (tmp = ops-1; tmp >= str && isspace(*tmp); --tmp);
291	*(++tmp) = '\0';
292	if (ops == tmp) ++ops;
293	}
294	}
295		223
296	if (ops > str || ops == NULL)	224	if (str[0])
297	{	225	{
298	/* we have geometry string - let's handle it prior to applying ops */	226	/* we have geometry string - let's handle it prior to applying ops */
299	geom_flags = XParseGeometry (str, &x, &y, &w, &h);	227	geom_flags = XParseGeometry (str, &x, &y, &w, &h);
300
301	if ((geom_flags & XValue) && !(geom_flags & YValue))
302	{
303	y = x;
304	geom_flags |= YValue;
305	}
306
307	if (flags & geometrySet)
308	{/* new geometry is an adjustment to the old one ! */
309	if ((geom_flags & WidthValue) && (geom_flags & HeightValue))
310	{
311	if (w == 0 && h != 0)
312	{
313	w = h_scale;
314	h = (v_scale * h) / 100;
315	}
316	else if (h == 0 && w != 0)
317	{
318	w = (h_scale * w) / 100;
319	h = v_scale;
320	}
321	}
322	if (geom_flags & XValue)
323	{
324	if (str[0] != '=')
325	{
326	y += v_align;
327	x += h_align;
328	}
329	}
330	}
331	else /* setting up geometry from scratch */
332	{
333	if (!(geom_flags & XValue))
334	{/* use default geometry - centered */
335	x = y = defaultAlign;
336	}
337	else if (!(geom_flags & YValue))
338	y = x;
339
340	if ((geom_flags & (WidthValue|HeightValue)) == 0)
341	{/* use default geometry - scaled */
342	w = h = defaultScale;
343	}
344	else if (geom_flags & WidthValue)
345	{
346	if (!(geom_flags & HeightValue))
347	h = w;
348	}
349	else
350	w = h;
351	}
352	} /* done parsing geometry string */	228	} /* done parsing geometry string */
353	else if (!(flags & geometrySet))	229
354	{ /* default geometry - scaled and centered */	230	if (!update)
		231	{
		232	if (!(geom_flags & XValue))
355	x = y = defaultAlign;	233	x = y = defaultAlign;
		234	else if (!(geom_flags & YValue))
		235	y = x;
		236
		237	if (!(geom_flags & (WidthValue|HeightValue)))
356	w = h = defaultScale;	238	w = h = defaultScale;
357	}	239	else if (!(geom_flags & HeightValue))
		240	h = w;
		241	else if (!(geom_flags & WidthValue))
		242	w = h;
358		243
359	if (!(flags & geometrySet))
360	geom_flags |= WidthValue|HeightValue|XValue|YValue;	244	geom_flags |= WidthValue|HeightValue|XValue|YValue;
		245	}
361		246
362	if (ops)	247	if (ops)
363	{	248	{
364	while (*ops)	249	char **arr = rxvt_strsplit (':', ops + 1);
		250
		251	for (int i = 0; arr[i]; i++)
365	{	252	{
366	while (*ops == ':' || isspace(*ops)) ++ops;	253	if (!strcasecmp (arr[i], "style=tiled"))
367	# define CHECK_GEOM_OPS(op_str) (strncasecmp (ops, (op_str), sizeof(op_str)-1) == 0)
368	if (CHECK_GEOM_OPS("tile"))
369	{	254	{
		255	new_flags = BG_TILE;
370	w = h = noScale;	256	w = h = noScale;
371	geom_flags |= WidthValue|HeightValue;	257	x = y = 0;
372	}
373	else if (CHECK_GEOM_OPS("propscale"))
374	{
375	if (w == 0 && h == 0)
376	{
377	w = windowScale;
378	geom_flags |= WidthValue;
379	}
380	new_flags |= propScale;
381	}
382	else if (CHECK_GEOM_OPS("hscale"))
383	{
384	if (w == 0)
385	w = windowScale;
386	h = noScale;
387	geom_flags |= WidthValue|HeightValue;
388	}
389	else if (CHECK_GEOM_OPS("vscale"))
390	{
391	if (h == 0)
392	h = windowScale;
393	w = noScale;
394	geom_flags |= WidthValue|HeightValue;
395	}
396	else if (CHECK_GEOM_OPS("scale"))
397	{
398	if (h == 0)
399	h = windowScale;
400	if (w == 0)
401	w = windowScale;
402	geom_flags |= WidthValue|HeightValue;
403	}
404	else if (CHECK_GEOM_OPS("auto"))
405	{
406	w = h = windowScale;
407	x = y = centerAlign;
408	geom_flags |= WidthValue|HeightValue|XValue|YValue;	258	geom_flags = WidthValue|HeightValue|XValue|YValue;
409	}	259	}
410	else if (CHECK_GEOM_OPS("root"))	260	else if (!strcasecmp (arr[i], "style=aspect-stretched"))
411	{	261	{
		262	new_flags = BG_PROP_SCALE;
		263	x = y = centerAlign;
		264	geom_flags = XValue|YValue;
		265	}
		266	else if (!strcasecmp (arr[i], "style=stretched"))
		267	{
		268	new_flags = 0;
		269	w = h = windowScale;
		270	geom_flags = WidthValue|HeightValue;
		271	}
		272	else if (!strcasecmp (arr[i], "style=centered"))
		273	{
		274	new_flags = 0;
412	w = h = noScale;	275	w = h = noScale;
413	x = y = rootAlign;	276	x = y = centerAlign;
414	geom_flags |= WidthValue|HeightValue|XValue|YValue;	277	geom_flags = WidthValue|HeightValue|XValue|YValue;
415	}	278	}
416	# undef CHECK_GEOM_OPS	279	else if (!strcasecmp (arr[i], "style=root-tiled"))
417	while (*ops != ':' && *ops != '\0') ++ops;	280	{
		281	new_flags = BG_TILE|BG_ROOT_ALIGN;
		282	w = h = noScale;
		283	geom_flags = WidthValue|HeightValue;
		284	}
		285	else if (!strcasecmp (arr[i], "op=tile"))
		286	new_flags |= BG_TILE;
		287	else if (!strcasecmp (arr[i], "op=pscale"))
		288	new_flags |= BG_PROP_SCALE;
		289	else if (!strcasecmp (arr[i], "op=root"))
		290	new_flags |= BG_ROOT_ALIGN;
		291
		292	// deprecated
		293	else if (!strcasecmp (arr[i], "tile"))
		294	{
		295	new_flags |= BG_TILE;
		296	w = h = noScale;
		297	geom_flags |= WidthValue|HeightValue;
		298	}
		299	else if (!strcasecmp (arr[i], "propscale"))
		300	{
		301	new_flags |= BG_PROP_SCALE;
		302	}
		303	else if (!strcasecmp (arr[i], "scale"))
		304	{
		305	if (h == 0) h = windowScale;
		306	if (w == 0) w = windowScale;
		307
		308	geom_flags |= WidthValue|HeightValue;
		309	}
		310	else if (!strcasecmp (arr[i], "root"))
		311	{
		312	new_flags |= BG_TILE|BG_ROOT_ALIGN;
		313	w = h = noScale;
		314	geom_flags |= WidthValue|HeightValue;
		315	}
418	} /* done parsing ops */	316	} /* done parsing ops */
419	}
420		317
		318	rxvt_free_strsplit (arr);
		319	}
		320
421	if (check_set_scale_value (geom_flags, WidthValue, h_scale, w))	321	if (check_set_scale_value (geom_flags, WidthValue, h_scale, w)) changed = true;
422	++changed;
423	if (check_set_scale_value (geom_flags, HeightValue, v_scale, h))	322	if (check_set_scale_value (geom_flags, HeightValue, v_scale, h)) changed = true;
424	++changed;
425	if (check_set_align_value (geom_flags, XValue, h_align, x))	323	if (check_set_align_value (geom_flags, XValue, h_align, x)) changed = true;
426	++changed;
427	if (check_set_align_value (geom_flags, YValue, v_align, y))	324	if (check_set_align_value (geom_flags, YValue, v_align, y)) changed = true;
428	++changed;
429	}
430		325
431	if (new_flags != flags)	326	if (new_flags != bg_flags)
432	{	327	{
433	flags = new_flags;	328	bg_flags = new_flags;
434	changed++;	329	changed = true;
435	}	330	}
436	//fprintf( stderr, "flags = %lX, scale = %ux%u, align=%+d%+d\n",	331
437	// flags, h_scale, v_scale, h_align, v_align);
438	return (changed > 0);	332	return changed;
		333	}
		334
		335	void
		336	rxvt_term::get_image_geometry (int image_width, int image_height, int &w, int &h, int &x, int &y)
		337	{
		338	int target_width = szHint.width;
		339	int target_height = szHint.height;
		340
		341	if (bg_flags & BG_PROP_SCALE)
		342	{
		343	float scale = (float)target_width / image_width;
		344	min_it (scale, (float)target_height / image_height);
		345	w = image_width * scale + 0.5;
		346	h = image_height * scale + 0.5;
		347	}
		348	else
		349	{
		350	w = h_scale * target_width / 100;
		351	h = v_scale * target_height / 100;
		352	}
		353
		354	if (!w) w = image_width;
		355	if (!h) h = image_height;
		356
		357	if (bg_flags & BG_ROOT_ALIGN)
		358	{
		359	x = -target_x;
		360	y = -target_y;
		361	}
		362	else
		363	{
		364	x = make_align_position (h_align, target_width, w);
		365	y = make_align_position (v_align, target_height, h);
		366	}
		367
		368	bg_flags &= ~BG_IS_SIZE_SENSITIVE;
		369	if (!(bg_flags & BG_TILE)
		370	|| (bg_flags & BG_PROP_SCALE) || h_scale || v_scale
		371	|| (!(bg_flags & BG_ROOT_ALIGN) && (h_align || v_align))
		372	|| w > target_width || h > target_height)
		373	bg_flags |= BG_IS_SIZE_SENSITIVE;
439	}	374	}
440		375
441	# ifdef HAVE_AFTERIMAGE	376	# ifdef HAVE_AFTERIMAGE
442	bool	377	bool
443	bgPixmap_t::render_asim (ASImage *background, ARGB32 background_tint)	378	rxvt_term::render_image (unsigned long tr_flags)
444	{	379	{
445	if (target == NULL)	380	init_asv ();
446	return false;
447		381
448	int target_width = (int)target->szHint.width;	382	ASImage *background = NULL;
449	int target_height = (int)target->szHint.height;	383	ARGB32 background_tint = TINT_LEAVE_SAME;
450	int new_pmap_width = target_width, new_pmap_height = target_height;	384
		385	# ifdef ENABLE_TRANSPARENCY
		386	if (tr_flags)
		387	background = pixmap2ximage (asv, bg_pixmap, 0, 0, bg_pmap_width, bg_pmap_height, AllPlanes, 100);
		388
		389	if (tr_flags & BG_NEEDS_TINT)
		390	{
		391	ShadingInfo as_shade;
		392	as_shade.shading = shade;
		393
		394	rgba c (rgba::MAX_CC,rgba::MAX_CC,rgba::MAX_CC);
		395	if (bg_flags & BG_TINT_SET)
		396	tint.get (c);
		397	as_shade.tintColor.red = c.r;
		398	as_shade.tintColor.green = c.g;
		399	as_shade.tintColor.blue = c.b;
		400
		401	background_tint = shading2tint32 (&as_shade);
		402	}
		403
		404	if ((tr_flags & BG_NEEDS_BLUR) && background != NULL)
		405	{
		406	ASImage *tmp = blur_asimage_gauss (asv, background, h_blurRadius, v_blurRadius, 0xFFFFFFFF,
		407	(original_asim == NULL || tint == TINT_LEAVE_SAME) ? ASA_XImage : ASA_ASImage,
		408	100, ASIMAGE_QUALITY_DEFAULT);
		409	if (tmp)
		410	{
		411	destroy_asimage (&background);
		412	background = tmp;
		413	}
		414	}
		415	# endif
		416
451	ASImage *result = NULL;	417	ASImage *result = 0;
		418
		419	int target_width = szHint.width;
		420	int target_height = szHint.height;
		421	int new_pmap_width = target_width;
		422	int new_pmap_height = target_height;
452		423
453	int x = 0;	424	int x = 0;
454	int y = 0;	425	int y = 0;
455	int w = h_scale * target_width / 100;	426	int w = 0;
456	int h = v_scale * target_height / 100;	427	int h = 0;
457
458	TIMING_TEST_START (asim);
459		428
460	if (original_asim)	429	if (original_asim)
461	{	430	get_image_geometry (original_asim->width, original_asim->height, w, h, x, y);
462	if (h_align == rootAlign || v_align == rootAlign)
463	{
464	target->get_window_origin(x, y);
465	x = -x;
466	y = -y;
467	}
468	if (h_align != rootAlign)
469	x = make_align_position (h_align, target_width, w > 0 ? w : (int)original_asim->width);
470	if (v_align != rootAlign)
471	y = make_align_position (v_align, target_height, h > 0 ? h : (int)original_asim->height);
472	}
473		431
474	if (original_asim == NULL	432	if (!original_asim
		433	|| (!(bg_flags & BG_ROOT_ALIGN)
475	|| x >= target_width	434	&& (x >= target_width
476	|| y >= target_height	435	|| y >= target_height
477	|| (w > 0 && x + w <= 0)	436	|| (x + w <= 0)
478	|| (h > 0 && y + h <= 0))	437	|| (y + h <= 0))))
479	{	438	{
480	if (background)	439	if (background)
481	{	440	{
482	new_pmap_width = background->width;	441	new_pmap_width = background->width;
483	new_pmap_height = background->height;	442	new_pmap_height = background->height;
484	result = background;	443	result = background;
		444
485	if (background_tint != TINT_LEAVE_SAME)	445	if (background_tint != TINT_LEAVE_SAME)
486	{	446	{
487	ASImage* tmp = tile_asimage (target->asv, background, 0, 0,	447	ASImage *tmp = tile_asimage (asv, background, 0, 0,
488	target_width, target_height, background_tint,	448	target_width, target_height, background_tint,
489	ASA_XImage, 100, ASIMAGE_QUALITY_DEFAULT);	449	ASA_XImage, 100, ASIMAGE_QUALITY_DEFAULT);
490	if (tmp)	450	if (tmp)
491	result = tmp;	451	result = tmp;
492	}	452	}
…		…
495	new_pmap_width = new_pmap_height = 0;	455	new_pmap_width = new_pmap_height = 0;
496	}	456	}
497	else	457	else
498	{	458	{
499	result = original_asim;	459	result = original_asim;
		460
500	if ((w > 0 && w != original_asim->width)	461	if ((w != original_asim->width)
501	|| (h > 0 && h != original_asim->height))	462	|| (h != original_asim->height))
502	{	463	{
503	result = scale_asimage (target->asv, original_asim,	464	result = scale_asimage (asv, original_asim,
504	w > 0 ? w : original_asim->width,	465	w, h,
505	h > 0 ? h : original_asim->height,
506	background ? ASA_ASImage : ASA_XImage,	466	background ? ASA_ASImage : ASA_XImage,
507	100, ASIMAGE_QUALITY_DEFAULT);	467	100, ASIMAGE_QUALITY_DEFAULT);
508	}	468	}
		469
509	if (background == NULL)	470	if (background == NULL)
		471	{
		472	if (bg_flags & BG_TILE)
		473	{
510	{/* if tiling - pixmap has to be sized exactly as the image,	474	/* if tiling - pixmap has to be sized exactly as the image,
511	but there is no need to make it bigger then the window! */	475	but there is no need to make it bigger than the window! */
512	if (h_scale == 0)
513	new_pmap_width = min (result->width, target_width);	476	new_pmap_width = min (result->width, target_width);
514	if (v_scale == 0)
515	new_pmap_height = min (result->height, target_height);	477	new_pmap_height = min (result->height, target_height);
		478
516	/* we also need to tile our image in one or both directions */	479	/* we also need to tile our image in both directions */
517	if (h_scale == 0 || v_scale == 0)
518	{
519	ASImage *tmp = tile_asimage (target->asv, result,	480	ASImage *tmp = tile_asimage (asv, result,
520	(h_scale > 0) ? 0 : (int)result->width - x,	481	(int)result->width - x,
521	(v_scale > 0) ? 0 : (int)result->height - y,	482	(int)result->height - y,
522	new_pmap_width,	483	new_pmap_width,
523	new_pmap_height,	484	new_pmap_height,
524	TINT_LEAVE_SAME, ASA_XImage,	485	TINT_LEAVE_SAME, ASA_XImage,
525	100, ASIMAGE_QUALITY_DEFAULT);	486	100, ASIMAGE_QUALITY_DEFAULT);
526	if (tmp)	487	if (tmp)
527	{	488	{
528	if (result != original_asim)	489	if (result != original_asim)
529	destroy_asimage (&result);	490	destroy_asimage (&result);
		491
530	result = tmp;	492	result = tmp;
531	}	493	}
532	}	494	}
533	}	495	}
534	else	496	else
		497	{
535	{/* if blending background and image - pixmap has to be sized same as target window */	498	/* if blending background and image - pixmap has to be sized same as target window */
536	ASImageLayer *layers = create_image_layers (2);	499	ASImageLayer *layers = create_image_layers (2);
537	ASImage *merged_im = NULL;
538		500
539	layers[0].im = background;	501	layers[0].im = background;
540	layers[0].clip_width = target_width;	502	layers[0].clip_width = target_width;
541	layers[0].clip_height = target_height;	503	layers[0].clip_height = target_height;
542	layers[0].tint = background_tint;	504	layers[0].tint = background_tint;
543	layers[1].im = result;	505	layers[1].im = result;
544	if (w <= 0)	506
		507	if (bg_flags & BG_TILE)
		508	{
545	{/* tile horizontally */	509	/* tile horizontally */
546	while (x > 0) x -= (int)result->width;	510	while (x > 0) x -= (int)result->width;
547	layers[1].dst_x = x;	511	layers[1].dst_x = x;
548	layers[1].clip_width = result->width+target_width;	512	layers[1].clip_width = result->width+target_width;
549	}	513	}
550	else	514	else
		515	{
551	{/* clip horizontally */	516	/* clip horizontally */
552	layers[1].dst_x = x;	517	layers[1].dst_x = x;
553	layers[1].clip_width = result->width;	518	layers[1].clip_width = result->width;
554	}	519	}
555	if (h <= 0)	520
		521	if (bg_flags & BG_TILE)
556	{	522	{
557	while (y > 0) y -= (int)result->height;	523	while (y > 0) y -= (int)result->height;
558	layers[1].dst_y = y;	524	layers[1].dst_y = y;
559	layers[1].clip_height = result->height + target_height;	525	layers[1].clip_height = result->height + target_height;
560	}	526	}
561	else	527	else
562	{	528	{
563	layers[1].dst_y = y;	529	layers[1].dst_y = y;
564	layers[1].clip_height = result->height;	530	layers[1].clip_height = result->height;
565	}	531	}
		532
566	if (target->rs[Rs_blendtype])	533	if (rs[Rs_blendtype])
567	{	534	{
568	layers[1].merge_scanlines = blend_scanlines_name2func (target->rs[Rs_blendtype]);	535	layers[1].merge_scanlines = blend_scanlines_name2func (rs[Rs_blendtype]);
569	if (layers[1].merge_scanlines == NULL)	536	if (layers[1].merge_scanlines == NULL)
570	layers[1].merge_scanlines = alphablend_scanlines;	537	layers[1].merge_scanlines = alphablend_scanlines;
571	}	538	}
		539
572	ASImage *tmp = merge_layers (target->asv, layers, 2, target_width, target_height,	540	ASImage *tmp = merge_layers (asv, layers, 2, target_width, target_height,
573	ASA_XImage, 0, ASIMAGE_QUALITY_DEFAULT);	541	ASA_XImage, 0, ASIMAGE_QUALITY_DEFAULT);
		542
574	if (tmp)	543	if (tmp)
575	{	544	{
576	if (result != original_asim)	545	if (result != original_asim)
577	destroy_asimage (&result);	546	destroy_asimage (&result);
		547
578	result = tmp;	548	result = tmp;
579	}	549	}
		550
580	free (layers);	551	free (layers);
581	}	552	}
582	}	553	}
583	TIMING_TEST_PRINT_RESULT (asim);
584		554
585	if (pixmap)	555	bool ret = false;
586	{
587	if (result == NULL
588	|| pmap_width != new_pmap_width
589	|| pmap_height != new_pmap_height
590	|| pmap_depth != target->depth)
591	{
592	XFreePixmap (target->dpy, pixmap);
593	pixmap = None;
594	}
595	}
596		556
597	if (result)	557	if (result)
598	{	558	{
599	XGCValues gcv;	559	XGCValues gcv;
600	GC gc;	560	GC gc;
601		561
602	/* create Pixmap */	562	/* create Pixmap */
603	if (pixmap == None)	563	if (bg_pixmap == None
		564	|| bg_pmap_width != new_pmap_width
		565	|| bg_pmap_height != new_pmap_height)
604	{	566	{
		567	if (bg_pixmap)
		568	XFreePixmap (dpy, bg_pixmap);
605	pixmap = XCreatePixmap (target->dpy, target->vt, new_pmap_width, new_pmap_height, target->depth);	569	bg_pixmap = XCreatePixmap (dpy, vt, new_pmap_width, new_pmap_height, depth);
606	pmap_width = new_pmap_width;	570	bg_pmap_width = new_pmap_width;
607	pmap_height = new_pmap_height;	571	bg_pmap_height = new_pmap_height;
608	pmap_depth = target->depth;
609	}	572	}
610	/* fill with background color ( if result's not completely overlapping it)*/	573	/* fill with background color (if result's not completely overlapping it) */
611	gcv.foreground = target->pix_colors[Color_bg];	574	gcv.foreground = pix_colors[Color_bg];
612	gc = XCreateGC (target->dpy, target->vt, GCForeground, &gcv);	575	gc = XCreateGC (dpy, vt, GCForeground, &gcv);
613		576
614	int src_x = 0, src_y = 0, dst_x = 0, dst_y = 0;	577	int src_x = 0, src_y = 0, dst_x = 0, dst_y = 0;
615	int dst_width = result->width, dst_height = result->height;	578	int dst_width = result->width, dst_height = result->height;
616	if (background == NULL)	579	if (background == NULL)
617	{	580	{
618	if (h_scale > 0)	581	if (!(bg_flags & BG_TILE))
		582	{
619	src_x = make_clip_rectangle (x, result->width, new_pmap_width, dst_x, dst_width);	583	src_x = make_clip_rectangle (x, result->width , new_pmap_width , dst_x, dst_width );
620	if (v_scale > 0)
621	src_y = make_clip_rectangle (y, result->height, new_pmap_height, dst_y, dst_height);	584	src_y = make_clip_rectangle (y, result->height, new_pmap_height, dst_y, dst_height);
		585	}
622		586
623	if (dst_x > 0 || dst_y > 0	587	if (dst_x > 0 || dst_y > 0
624	|| dst_x + dst_width < new_pmap_width	588	|| dst_x + dst_width < new_pmap_width
625	|| dst_y + dst_height < new_pmap_height)	589	|| dst_y + dst_height < new_pmap_height)
626	{
627	XFillRectangle (target->dpy, pixmap, gc, 0, 0, new_pmap_width, new_pmap_height);	590	XFillRectangle (dpy, bg_pixmap, gc, 0, 0, new_pmap_width, new_pmap_height);
628	}
629	}	591	}
630		592
631	/* put result on pixmap */	593	/* put result on pixmap */
632	if (dst_x < new_pmap_width && dst_y < new_pmap_height)	594	if (dst_x < new_pmap_width && dst_y < new_pmap_height)
633	asimage2drawable (target->asv, pixmap, result, gc, src_x, src_y, dst_x, dst_y, dst_width, dst_height, True);	595	asimage2drawable (asv, bg_pixmap, result, gc, src_x, src_y, dst_x, dst_y, dst_width, dst_height, True);
634		596
635	if (result != background && result != original_asim)	597	if (result != background && result != original_asim)
636	destroy_asimage (&result);	598	destroy_asimage (&result);
637		599
638	XFreeGC (target->dpy, gc);	600	XFreeGC (dpy, gc);
639	TIMING_TEST_PRINT_RESULT (asim);	601
		602	ret = true;
		603	}
		604
		605	if (background)
		606	destroy_asimage (&background);
		607
		608	return ret;
		609	}
		610	# endif /* HAVE_AFTERIMAGE */
		611
		612	# ifdef HAVE_PIXBUF
		613	bool
		614	rxvt_term::pixbuf_to_pixmap (GdkPixbuf *pixbuf, Pixmap pixmap, GC gc,
		615	int src_x, int src_y, int dst_x, int dst_y,
		616	unsigned int width, unsigned int height)
		617	{
		618	XImage *ximage;
		619	char *data, *line;
		620	int bytes_per_pixel;
		621	int width_r, width_g, width_b;
		622	int sh_r, sh_g, sh_b;
		623	int rowstride;
		624	int channels;
		625	unsigned char *row;
		626
		627	if (visual->c_class != TrueColor)
		628	return false;
		629
		630	if (depth == 24 || depth == 32)
		631	bytes_per_pixel = 4;
		632	else if (depth == 15 || depth == 16)
		633	bytes_per_pixel = 2;
		634	else
		635	return false;
		636
		637	width_r = ecb_popcount32 (visual->red_mask);
		638	width_g = ecb_popcount32 (visual->green_mask);
		639	width_b = ecb_popcount32 (visual->blue_mask);
		640
		641	if (width_r > 8 || width_g > 8 || width_b > 8)
		642	return false;
		643
		644	sh_r = ecb_ctz32 (visual->red_mask);
		645	sh_g = ecb_ctz32 (visual->green_mask);
		646	sh_b = ecb_ctz32 (visual->blue_mask);
		647
		648	if (width > INT_MAX / height / bytes_per_pixel)
		649	return false;
		650
		651	data = (char *)malloc (width * height * bytes_per_pixel);
		652	if (!data)
		653	return false;
		654
		655	ximage = XCreateImage (dpy, visual, depth, ZPixmap, 0, data,
		656	width, height, bytes_per_pixel * 8, 0);
		657	if (!ximage)
640	}	658	{
		659	free (data);
		660	return false;
		661	}
641		662
		663	ximage->byte_order = ecb_big_endian () ? MSBFirst : LSBFirst;
		664
		665	rowstride = gdk_pixbuf_get_rowstride (pixbuf);
		666	channels = gdk_pixbuf_get_n_channels (pixbuf);
		667	row = gdk_pixbuf_get_pixels (pixbuf) + src_y * rowstride + src_x * channels;
		668	line = data;
		669
		670	for (int y = 0; y < height; y++)
		671	{
		672	for (int x = 0; x < width; x++)
		673	{
		674	unsigned char *pixel = row + x * channels;
		675	uint32_t value;
		676
		677	value = ((pixel[0] >> (8 - width_r)) << sh_r)
		678	| ((pixel[1] >> (8 - width_g)) << sh_g)
		679	| ((pixel[2] >> (8 - width_b)) << sh_b);
		680
		681	if (bytes_per_pixel == 4)
		682	((uint32_t *)line)[x] = value;
		683	else
		684	((uint16_t *)line)[x] = value;
		685	}
		686
		687	row += rowstride;
		688	line += ximage->bytes_per_line;
		689	}
		690
		691	XPutImage (dpy, pixmap, gc, ximage, 0, 0, dst_x, dst_y, width, height);
		692	XDestroyImage (ximage);
642	return true;	693	return true;
643	}	694	}
644	# endif /* HAVE_AFTERIMAGE */
645		695
646	bool	696	bool
647	bgPixmap_t::set_file (const char *file)	697	rxvt_term::render_image (unsigned long tr_flags)
648	{	698	{
649	char *f;	699	if (!pixbuf)
		700	return false;
650		701
651	assert (file != NULL);	702	if (tr_flags
		703	&& !(bg_flags & BG_HAS_RENDER))
		704	return false;
652		705
653	if (*file != '\0')	706	GdkPixbuf *result;
		707
		708	int image_width = gdk_pixbuf_get_width (pixbuf);
		709	int image_height = gdk_pixbuf_get_height (pixbuf);
		710
		711	int target_width = szHint.width;
		712	int target_height = szHint.height;
		713	int new_pmap_width = target_width;
		714	int new_pmap_height = target_height;
		715
		716	int x = 0;
		717	int y = 0;
		718	int w = 0;
		719	int h = 0;
		720
		721	get_image_geometry (image_width, image_height, w, h, x, y);
		722
		723	if (!(bg_flags & BG_ROOT_ALIGN)
		724	&& (x >= target_width
		725	|| y >= target_height
		726	|| (x + w <= 0)
		727	|| (y + h <= 0)))
		728	return false;
		729
		730	result = pixbuf;
		731
		732	if ((w != image_width)
		733	|| (h != image_height))
		734	{
		735	result = gdk_pixbuf_scale_simple (pixbuf,
		736	w, h,
		737	GDK_INTERP_BILINEAR);
654	{	738	}
		739
		740	if (!result)
		741	return false;
		742
		743	bool ret = false;
		744
		745	XGCValues gcv;
		746	GC gc;
		747	Pixmap root_pmap;
		748
		749	image_width = gdk_pixbuf_get_width (result);
		750	image_height = gdk_pixbuf_get_height (result);
		751
		752	if (tr_flags)
		753	{
		754	root_pmap = bg_pixmap;
		755	bg_pixmap = None;
		756	}
		757	else
		758	{
		759	if (bg_flags & BG_TILE)
		760	{
		761	new_pmap_width = min (image_width, target_width);
		762	new_pmap_height = min (image_height, target_height);
		763	}
		764	}
		765
		766	if (bg_pixmap == None
		767	|| bg_pmap_width != new_pmap_width
		768	|| bg_pmap_height != new_pmap_height)
		769	{
		770	if (bg_pixmap)
		771	XFreePixmap (dpy, bg_pixmap);
		772	bg_pixmap = XCreatePixmap (dpy, vt, new_pmap_width, new_pmap_height, depth);
		773	bg_pmap_width = new_pmap_width;
		774	bg_pmap_height = new_pmap_height;
		775	}
		776
		777	gcv.foreground = pix_colors[Color_bg];
		778	gc = XCreateGC (dpy, vt, GCForeground, &gcv);
		779
		780	if (gc)
		781	{
		782	if (bg_flags & BG_TILE)
		783	{
		784	Pixmap tile = XCreatePixmap (dpy, vt, image_width, image_height, depth);
		785	pixbuf_to_pixmap (result, tile, gc,
		786	0, 0,
		787	0, 0,
		788	image_width, image_height);
		789
		790	gcv.tile = tile;
		791	gcv.fill_style = FillTiled;
		792	gcv.ts_x_origin = x;
		793	gcv.ts_y_origin = y;
		794	XChangeGC (dpy, gc, GCFillStyle | GCTile | GCTileStipXOrigin | GCTileStipYOrigin, &gcv);
		795
		796	XFillRectangle (dpy, bg_pixmap, gc, 0, 0, new_pmap_width, new_pmap_height);
		797	XFreePixmap (dpy, tile);
		798	}
		799	else
		800	{
		801	int src_x, src_y, dst_x, dst_y;
		802	int dst_width, dst_height;
		803
		804	src_x = make_clip_rectangle (x, image_width , new_pmap_width , dst_x, dst_width );
		805	src_y = make_clip_rectangle (y, image_height, new_pmap_height, dst_y, dst_height);
		806
		807	if (dst_x > 0 || dst_y > 0
		808	|| dst_x + dst_width < new_pmap_width
		809	|| dst_y + dst_height < new_pmap_height)
		810	XFillRectangle (dpy, bg_pixmap, gc, 0, 0, new_pmap_width, new_pmap_height);
		811
		812	if (dst_x < new_pmap_width && dst_y < new_pmap_height)
		813	pixbuf_to_pixmap (result, bg_pixmap, gc,
		814	src_x, src_y,
		815	dst_x, dst_y,
		816	dst_width, dst_height);
		817	}
		818
		819	#if XRENDER
		820	if (tr_flags)
		821	{
		822	XRenderPictureAttributes pa;
		823
		824	XRenderPictFormat *src_format = XRenderFindVisualFormat (dpy, visual);
		825	Picture src = XRenderCreatePicture (dpy, root_pmap, src_format, 0, &pa);
		826
		827	XRenderPictFormat *dst_format = XRenderFindVisualFormat (dpy, visual);
		828	Picture dst = XRenderCreatePicture (dpy, bg_pixmap, dst_format, 0, &pa);
		829
		830	pa.repeat = True;
		831	Pixmap mask_pmap = XCreatePixmap (dpy, vt, 1, 1, 8);
		832	XRenderPictFormat *mask_format = XRenderFindStandardFormat (dpy, PictStandardA8);
		833	Picture mask = XRenderCreatePicture (dpy, mask_pmap, mask_format, CPRepeat, &pa);
		834	XFreePixmap (dpy, mask_pmap);
		835
		836	XRenderColor mask_c;
		837
		838	mask_c.alpha = 0x8000;
		839	mask_c.red = 0;
		840	mask_c.green = 0;
		841	mask_c.blue = 0;
		842	XRenderFillRectangle (dpy, PictOpSrc, mask, &mask_c, 0, 0, 1, 1);
		843	XRenderComposite (dpy, PictOpOver, src, mask, dst, 0, 0, 0, 0, 0, 0, target_width, target_height);
		844
		845	XRenderFreePicture (dpy, src);
		846	XRenderFreePicture (dpy, dst);
		847	XRenderFreePicture (dpy, mask);
		848	}
		849	#endif
		850
		851	XFreeGC (dpy, gc);
		852
		853	ret = true;
		854	}
		855
		856	if (result != pixbuf)
		857	g_object_unref (result);
		858
		859	if (tr_flags)
		860	XFreePixmap (dpy, root_pmap);
		861
		862	return ret;
		863	}
		864	# endif /* HAVE_PIXBUF */
		865
		866	bool
		867	rxvt_term::bg_set_file (const char *file)
		868	{
		869	if (!file || !*file)
		870	return false;
		871
		872	if (const char *p = strchr (file, ';'))
		873	{
		874	size_t len = p - file;
		875	char *f = rxvt_temp_buf<char> (len + 1);
		876	memcpy (f, file, len);
		877	f[len] = '\0';
		878	file = f;
		879	}
		880
655	# ifdef HAVE_AFTERIMAGE	881	# ifdef HAVE_AFTERIMAGE
656	if (target->asimman == NULL)	882	if (!asimman)
657	target->asimman = create_generic_imageman (target->rs[Rs_path]);	883	asimman = create_generic_imageman (rs[Rs_path]);
658	if ((f = strchr (file, ';')) == NULL)
659	original_asim = get_asimage (target->asimman, file, 0xFFFFFFFF, 100);	884	ASImage *image = get_asimage (asimman, file, 0xFFFFFFFF, 100);
660	else	885	if (image)
661	{	886	{
662	size_t len = f - file;	887	if (original_asim)
663	f = (char *)malloc (len + 1);	888	safe_asimage_destroy (original_asim);
664	strncpy (f, file, len);	889	original_asim = image;
665	f[len] = '\0';	890	bg_flags |= BG_IS_FROM_FILE | BG_CLIENT_RENDER;
666	original_asim = get_asimage (target->asimman, f, 0xFFFFFFFF, 100);	891	return true;
667	free (f);	892	}
668	}
669	return (original_asim != NULL);
670	# endif	893	# endif
		894
		895	# ifdef HAVE_PIXBUF
		896	GdkPixbuf *image = gdk_pixbuf_new_from_file (file, NULL);
		897	if (image)
671	}	898	{
		899	if (pixbuf)
		900	g_object_unref (pixbuf);
		901	pixbuf = image;
		902	bg_flags |= BG_IS_FROM_FILE;
		903	return true;
		904	}
		905	# endif
		906
672	return false;	907	return false;
673	}	908	}
674		909
675	# endif /* BG_IMAGE_FROM_FILE */	910	# endif /* BG_IMAGE_FROM_FILE */
676		911
677	# ifdef ENABLE_TRANSPARENCY	912	# ifdef ENABLE_TRANSPARENCY
678	bool	913	bool
679	bgPixmap_t::set_transparent ()	914	rxvt_term::bg_set_transparent ()
680	{	915	{
681	if (!(flags & isTransparent))	916	if (!(bg_flags & BG_IS_TRANSPARENT))
682	{	917	{
683	flags |= isTransparent;	918	bg_flags |= BG_IS_TRANSPARENT;
684	return true;	919	return true;
685	}	920	}
		921
686	return false;	922	return false;
687	}	923	}
688		924
689	bool	925	bool
690	bgPixmap_t::set_blur_radius (const char *geom)	926	rxvt_term::bg_set_blur (const char *geom)
691	{	927	{
692	int changed = 0;	928	bool changed = false;
693	unsigned int hr, vr;	929	unsigned int hr, vr;
694	int junk;	930	int junk;
695	int geom_flags = XParseGeometry (geom, &junk, &junk, &hr, &vr);	931	int geom_flags = XParseGeometry (geom, &junk, &junk, &hr, &vr);
696		932
697	if (!(geom_flags&WidthValue))	933	if (!(geom_flags & WidthValue))
698	hr = 1;	934	hr = 1;
699	if (!(geom_flags&HeightValue))	935	if (!(geom_flags & HeightValue))
700	vr = hr;	936	vr = hr;
701		937
		938	min_it (hr, 128);
		939	min_it (vr, 128);
		940
702	if (h_blurRadius != hr)	941	if (h_blurRadius != hr)
703	{	942	{
704	++changed;	943	changed = true;
705	h_blurRadius = hr;	944	h_blurRadius = hr;
706	}	945	}
707		946
708	if (v_blurRadius != vr)	947	if (v_blurRadius != vr)
709	{	948	{
710	++changed;	949	changed = true;
711	v_blurRadius = vr;	950	v_blurRadius = vr;
712	}	951	}
713		952
714	if (v_blurRadius == 0 && h_blurRadius == 0)	953	if (v_blurRadius == 0 && h_blurRadius == 0)
715	flags &= ~blurNeeded;	954	bg_flags &= ~BG_NEEDS_BLUR;
716	else	955	else
717	flags |= blurNeeded;	956	bg_flags |= BG_NEEDS_BLUR;
718		957
719	return (changed>0);	958	return changed;
720	}	959	}
721		960
722	static inline unsigned long	961	void
723	compute_tint_shade_flags (rxvt_color *tint, int shade)	962	rxvt_term::set_tint_shade_flags ()
724	{	963	{
725	unsigned long flags = 0;
726	rgba c (rgba::MAX_CC,rgba::MAX_CC,rgba::MAX_CC);	964	rgba c (rgba::MAX_CC,rgba::MAX_CC,rgba::MAX_CC);
727	bool has_shade = (shade > 0 && shade < 100) || (shade > 100 && shade < 200);	965	bool has_shade = shade != 100;
728		966
729	if (tint)	967	bg_flags &= ~BG_TINT_FLAGS;
		968
		969	if (bg_flags & BG_TINT_SET)
730	{	970	{
731	tint->get (c);	971	tint.get (c);
732	# define IS_COMPONENT_WHOLESOME(cmp) ((cmp) <= 0x000700 || (cmp) >= 0x00f700)
733	if (!has_shade && IS_COMPONENT_WHOLESOME (c.r)
734	&& IS_COMPONENT_WHOLESOME (c.g)
735	&& IS_COMPONENT_WHOLESOME (c.b))
736	flags |= bgPixmap_t::tintWholesome;
737	# undef IS_COMPONENT_WHOLESOME
738	}
739
740	if (has_shade)	972	if (!has_shade
741	flags |= bgPixmap_t::tintNeeded;	973	&& (c.r <= 0x00ff || c.r >= 0xff00)
742	else if (tint)	974	&& (c.g <= 0x00ff || c.g >= 0xff00)
		975	&& (c.b <= 0x00ff || c.b >= 0xff00))
		976	bg_flags |= BG_TINT_BITAND;
743	{	977	}
744	if ((c.r > 0x000700 || c.g > 0x000700 || c.b > 0x000700)	978
745	&& (c.r < 0x00f700 || c.g < 0x00f700 || c.b < 0x00f700))	979	if (has_shade || (bg_flags & BG_TINT_SET))
		980	bg_flags |= BG_NEEDS_TINT;
		981	}
		982
		983	bool
		984	rxvt_term::bg_set_tint (rxvt_color &new_tint)
		985	{
		986	if (!(bg_flags & BG_TINT_SET) || tint != new_tint)
		987	{
		988	tint = new_tint;
		989	bg_flags |= BG_TINT_SET;
		990	set_tint_shade_flags ();
		991	return true;
		992	}
		993
		994	return false;
		995	}
		996
		997	bool
		998	rxvt_term::bg_set_shade (const char *shade_str)
		999	{
		1000	int new_shade = (shade_str) ? atoi (shade_str) : 100;
		1001
		1002	clamp_it (new_shade, -100, 200);
		1003	if (new_shade < 0)
		1004	new_shade = 200 - (100 + new_shade);
		1005
		1006	if (new_shade != shade)
		1007	{
		1008	shade = new_shade;
		1009	set_tint_shade_flags ();
		1010	return true;
		1011	}
		1012
		1013	return false;
		1014	}
		1015
		1016	#if XRENDER
		1017	static void
		1018	get_gaussian_kernel (int radius, int width, double *kernel, XFixed *params)
		1019	{
		1020	double sigma = radius / 2.0;
		1021	double scale = sqrt (2.0 * M_PI) * sigma;
		1022	double sum = 0.0;
		1023
		1024	for (int i = 0; i < width; i++)
		1025	{
		1026	double x = i - width / 2;
		1027	kernel[i] = exp (-(x * x) / (2.0 * sigma * sigma)) / scale;
		1028	sum += kernel[i];
		1029	}
		1030
		1031	params[0] = XDoubleToFixed (width);
		1032	params[1] = XDoubleToFixed (1);
		1033
		1034	for (int i = 0; i < width; i++)
		1035	params[i+2] = XDoubleToFixed (kernel[i] / sum);
		1036	}
		1037	#endif
		1038
		1039	bool
		1040	rxvt_term::blur_pixmap (Pixmap pixmap, Visual *visual, int width, int height)
		1041	{
		1042	bool ret = false;
		1043	#if XRENDER
		1044	int size = max (h_blurRadius, v_blurRadius) * 2 + 1;
		1045	double *kernel = (double *)malloc (size * sizeof (double));
		1046	XFixed *params = (XFixed *)malloc ((size + 2) * sizeof (XFixed));
		1047
		1048	XRenderPictureAttributes pa;
		1049	XRenderPictFormat *format = XRenderFindVisualFormat (dpy, visual);
		1050
		1051	Picture src = XRenderCreatePicture (dpy, pixmap, format, 0, &pa);
		1052	Picture dst = XRenderCreatePicture (dpy, pixmap, format, 0, &pa);
		1053
		1054	if (kernel && params)
		1055	{
		1056	if (h_blurRadius)
746	{	1057	{
747	flags |= bgPixmap_t::tintNeeded;	1058	size = h_blurRadius * 2 + 1;
		1059	get_gaussian_kernel (h_blurRadius, size, kernel, params);
		1060
		1061	XRenderSetPictureFilter (dpy, src, FilterConvolution, params, size+2);
		1062	XRenderComposite (dpy,
		1063	PictOpSrc,
		1064	src,
		1065	None,
		1066	dst,
		1067	0, 0,
		1068	0, 0,
		1069	0, 0,
		1070	width, height);
748	}	1071	}
749	}
750		1072
751	if (flags & bgPixmap_t::tintNeeded)	1073	if (v_blurRadius)
		1074	{
		1075	size = v_blurRadius * 2 + 1;
		1076	get_gaussian_kernel (v_blurRadius, size, kernel, params);
		1077	::swap (params[0], params[1]);
		1078
		1079	XRenderSetPictureFilter (dpy, src, FilterConvolution, params, size+2);
		1080	XRenderComposite (dpy,
		1081	PictOpSrc,
		1082	src,
		1083	None,
		1084	dst,
		1085	0, 0,
		1086	0, 0,
		1087	0, 0,
		1088	width, height);
		1089	}
		1090
		1091	ret = true;
752	{	1092	}
753	if (flags & bgPixmap_t::tintWholesome)	1093
754	flags |= bgPixmap_t::tintServerSide;	1094	free (kernel);
		1095	free (params);
		1096	XRenderFreePicture (dpy, src);
		1097	XRenderFreePicture (dpy, dst);
		1098	#endif
		1099	return ret;
		1100	}
		1101
		1102	bool
		1103	rxvt_term::tint_pixmap (Pixmap pixmap, Visual *visual, int width, int height)
		1104	{
		1105	bool ret = false;
		1106
		1107	if (bg_flags & BG_TINT_BITAND)
		1108	{
		1109	XGCValues gcv;
		1110	GC gc;
		1111
		1112	/* In this case we can tint image server-side getting significant
		1113	* performance improvements, as we eliminate XImage transfer
		1114	*/
		1115	gcv.foreground = Pixel (tint);
		1116	gcv.function = GXand;
		1117	gcv.fill_style = FillSolid;
		1118	gc = XCreateGC (dpy, pixmap, GCFillStyle | GCForeground | GCFunction, &gcv);
		1119	if (gc)
		1120	{
		1121	XFillRectangle (dpy, pixmap, gc, 0, 0, width, height);
		1122	ret = true;
		1123	XFreeGC (dpy, gc);
		1124	}
		1125	}
		1126	else
		1127	{
		1128	# if XRENDER
		1129	rgba c (rgba::MAX_CC, rgba::MAX_CC, rgba::MAX_CC);
		1130
		1131	if (bg_flags & BG_TINT_SET)
		1132	tint.get (c);
		1133
		1134	if (shade <= 100)
		1135	{
		1136	c.r = c.r * shade / 100;
		1137	c.g = c.g * shade / 100;
		1138	c.b = c.b * shade / 100;
		1139	}
755	else	1140	else
756	{	1141	{
757	#if XFT	1142	c.r = c.r * (200 - shade) / 100;
758	flags |= bgPixmap_t::tintServerSide;	1143	c.g = c.g * (200 - shade) / 100;
759	#endif	1144	c.b = c.b * (200 - shade) / 100;
		1145	}
		1146
		1147	XRenderPictFormat *solid_format = XRenderFindStandardFormat (dpy, PictStandardARGB32);
		1148	XRenderPictFormat *format = XRenderFindVisualFormat (dpy, visual);
		1149	XRenderPictureAttributes pa;
		1150
		1151	Picture back_pic = XRenderCreatePicture (dpy, pixmap, format, 0, &pa);
		1152
		1153	pa.repeat = True;
		1154
		1155	Pixmap overlay_pmap = XCreatePixmap (dpy, pixmap, 1, 1, 32);
		1156	Picture overlay_pic = XRenderCreatePicture (dpy, overlay_pmap, solid_format, CPRepeat, &pa);
		1157	XFreePixmap (dpy, overlay_pmap);
		1158
		1159	pa.component_alpha = True;
		1160	Pixmap mask_pmap = XCreatePixmap (dpy, pixmap, 1, 1, 32);
		1161	Picture mask_pic = XRenderCreatePicture (dpy, mask_pmap, solid_format, CPRepeat | CPComponentAlpha, &pa);
		1162	XFreePixmap (dpy, mask_pmap);
		1163
		1164	XRenderColor mask_c;
		1165
		1166	mask_c.alpha = 0xffff;
		1167	mask_c.red =
		1168	mask_c.green =
		1169	mask_c.blue = 0;
		1170	XRenderFillRectangle (dpy, PictOpSrc, overlay_pic, &mask_c, 0, 0, 1, 1);
		1171
		1172	mask_c.alpha = 0;
		1173	mask_c.red = 0xffff - c.r;
		1174	mask_c.green = 0xffff - c.g;
		1175	mask_c.blue = 0xffff - c.b;
		1176	XRenderFillRectangle (dpy, PictOpSrc, mask_pic, &mask_c, 0, 0, 1, 1);
		1177	XRenderComposite (dpy, PictOpOver, overlay_pic, mask_pic, back_pic, 0, 0, 0, 0, 0, 0, width, height);
		1178
		1179	if (shade > 100)
760	}	1180	{
761	}	1181	mask_c.red = mask_c.green = mask_c.blue = 0xffff * (shade - 100) / 100;
		1182	mask_c.alpha = 0;
		1183	XRenderFillRectangle (dpy, PictOpSrc, overlay_pic, &mask_c, 0, 0, 1, 1);
762		1184
763	return flags;	1185	XRenderComposite (dpy, PictOpOver, overlay_pic, None, back_pic, 0, 0, 0, 0, 0, 0, width, height);
764	}	1186	}
765		1187
766	bool
767	bgPixmap_t::set_tint (rxvt_color &new_tint)
768	{
769	if (tint != new_tint)
770	{
771	unsigned long new_flags = compute_tint_shade_flags (&new_tint, shade);
772	tint = new_tint;
773	flags = (flags & ~tintFlags) | new_flags | tintSet;
774	return true;	1188	ret = true;
775	}
776	return false;
777	}
778		1189
779	bool	1190	XRenderFreePicture (dpy, mask_pic);
780	bgPixmap_t::unset_tint ()	1191	XRenderFreePicture (dpy, overlay_pic);
781	{	1192	XRenderFreePicture (dpy, back_pic);
782	unsigned long new_flags = compute_tint_shade_flags (NULL, shade);	1193	# endif
783
784	if (new_flags != (flags & tintFlags))
785	{	1194	}
786	flags = (flags&~tintFlags)|new_flags;	1195
787	return true;
788	}
789	return false;	1196	return ret;
790	}	1197	}
791		1198
792	bool	1199	/*
793	bgPixmap_t::set_shade (const char *shade_str)	1200	* Builds a pixmap of the same size as the terminal window that contains
794	{
795	int new_shade = (shade_str) ? atoi (shade_str) : 0;
796
797	if (new_shade < 0 && new_shade > -100)
798	new_shade = 200 - (100 + new_shade);
799	else if (new_shade == 100)
800	new_shade = 0;
801
802	if (new_shade != shade)
803	{
804	unsigned long new_flags = compute_tint_shade_flags ((flags & tintSet) ? &tint : NULL, new_shade);
805	shade = new_shade;
806	flags = (flags & (~tintFlags | tintSet)) | new_flags;
807	return true;
808	}
809	return false;
810	}
811
812	/* make_transparency_pixmap()
813	* Builds a pixmap sized the same as terminal window, with depth same as the root window
814	* that pixmap contains tiled portion of the root pixmap that is supposed to be covered by	1201	* the tiled portion of the root pixmap that is supposed to be covered by
815	* our window.	1202	* our window.
816	*/	1203	*/
817	unsigned long	1204	unsigned long
818	bgPixmap_t::make_transparency_pixmap ()	1205	rxvt_term::make_transparency_pixmap ()
819	{	1206	{
820	unsigned long result = 0;	1207	unsigned long result = 0;
821		1208
822	if (target == NULL)
823	return 0;
824
825	/* root dimentions may change from call to call - but Display structure should	1209	/* root dimensions may change from call to call - but Display structure should
826	* be always up-to-date, so let's use it :	1210	* be always up-to-date, so let's use it :
827	*/	1211	*/
828	Window root = target->display->root;
829	int screen = target->display->screen;	1212	int screen = display->screen;
830	Display *dpy = target->dpy;	1213	int root_depth = DefaultDepth (dpy, screen);
831	int root_width = DisplayWidth (dpy, screen);	1214	int root_width = DisplayWidth (dpy, screen);
832	int root_height = DisplayHeight (dpy, screen);	1215	int root_height = DisplayHeight (dpy, screen);
833	unsigned int root_pmap_width, root_pmap_height;	1216	unsigned int root_pmap_width, root_pmap_height;
834	int window_width = target->szHint.width;	1217	int window_width = szHint.width;
835	int window_height = target->szHint.height;	1218	int window_height = szHint.height;
836	int sx, sy;	1219	int sx, sy;
837	XGCValues gcv;	1220	XGCValues gcv;
		1221	GC gc;
838		1222
839	TIMING_TEST_START (tp);	1223	sx = target_x;
840	target->get_window_origin (sx, sy);	1224	sy = target_y;
841		1225
842	/* check if we are outside of the visible part of the virtual screen : */	1226	/* check if we are outside of the visible part of the virtual screen : */
843	if (sx + window_width <= 0 || sy + window_height <= 0	1227	if (sx + window_width <= 0 || sy + window_height <= 0
844	|| sx >= root_width || sy >= root_height)	1228	|| sx >= root_width || sy >= root_height)
845	return 0;	1229	return 0;
846		1230
		1231	// validate root pixmap and get its size
847	if (root_pixmap != None)	1232	if (root_pixmap != None)
848	{/* we want to validate the pixmap and get it's size at the same time : */	1233	{
		1234	Window wdummy;
849	int junk;	1235	int idummy;
850	unsigned int ujunk;	1236	unsigned int udummy;
851	/* root pixmap may be bad - allow a error */	1237
852	target->allowedxerror = -1;	1238	allowedxerror = -1;
853		1239
854	if (!XGetGeometry (dpy, root_pixmap, &root, &junk, &junk, &root_pmap_width, &root_pmap_height, &ujunk, &ujunk))	1240	if (!XGetGeometry (dpy, root_pixmap, &wdummy, &idummy, &idummy, &root_pmap_width, &root_pmap_height, &udummy, &udummy))
855	root_pixmap = None;	1241	root_pixmap = None;
856		1242
857	target->allowedxerror = 0;	1243	allowedxerror = 0;
		1244	}
		1245
		1246	Pixmap recoded_root_pmap = root_pixmap;
		1247
		1248	if (root_pixmap != None && root_depth != depth)
858	}	1249	{
		1250	#if XRENDER
		1251	if (bg_flags & BG_HAS_RENDER)
		1252	{
		1253	recoded_root_pmap = XCreatePixmap (dpy, vt, root_pmap_width, root_pmap_height, depth);
859		1254
860	Pixmap tiled_root_pmap = XCreatePixmap (dpy, root, window_width, window_height, root_depth);	1255	XRenderPictureAttributes pa;
861	GC gc = NULL;
862		1256
863	if (tiled_root_pmap == None) /* something really bad happened - abort */	1257	XRenderPictFormat *src_format = XRenderFindVisualFormat (dpy, DefaultVisual (dpy, screen));
		1258	Picture src = XRenderCreatePicture (dpy, root_pixmap, src_format, 0, &pa);
		1259
		1260	XRenderPictFormat *dst_format = XRenderFindVisualFormat (dpy, visual);
		1261	Picture dst = XRenderCreatePicture (dpy, recoded_root_pmap, dst_format, 0, &pa);
		1262
		1263	XRenderComposite (dpy, PictOpSrc, src, None, dst, 0, 0, 0, 0, 0, 0, root_pmap_width, root_pmap_height);
		1264
		1265	XRenderFreePicture (dpy, src);
		1266	XRenderFreePicture (dpy, dst);
		1267	}
		1268	else
		1269	#endif
		1270	recoded_root_pmap = None;
		1271	}
		1272
		1273	if (recoded_root_pmap == None)
864	return 0;	1274	return 0;
865		1275
866	if (root_pixmap == None)	1276	if (bg_pixmap == None
867	{ /* use tricks to obtain the root background image :*/	1277	|| bg_pmap_width != window_width
868	/* we want to create Overrideredirect window overlapping out window	1278	|| bg_pmap_height != window_height)
869	with background type of Parent Relative and then grab it */
870	XSetWindowAttributes attr;
871	Window src;
872	bool success = false;
873
874	attr.background_pixmap = ParentRelative;
875	attr.backing_store = Always;
876	attr.event_mask = ExposureMask;
877	attr.override_redirect = True;
878	src = XCreateWindow (dpy, root, sx, sy, window_width, window_height, 0,
879	CopyFromParent, CopyFromParent, CopyFromParent,
880	CWBackPixmap|CWBackingStore|CWOverrideRedirect|CWEventMask,
881	&attr);
882
883	if (src != None)
884	{
885	XEvent event;
886	int ev_count = 0;
887	XGrabServer (dpy);
888	XMapRaised (dpy, src);
889	XSync (dpy, False);
890
891	/* XSync should get window where it's properly exposed,
892	* but to be on the safe side - let's check for the actuall event to arrive : */
893	while (XCheckWindowEvent (dpy, src, ExposureMask, &event))
894	++ev_count;
895
896	if (ev_count > 0);
897	{ /* hooray! - we can grab the image! */
898	gc = XCreateGC (dpy, root, 0, NULL);
899	if (gc)
900	{
901	XCopyArea (dpy, src, tiled_root_pmap, gc, 0, 0, window_width, window_height, 0, 0);
902	success = true;
903	}
904	}
905	XDestroyWindow (dpy, src);
906	XUngrabServer (dpy);
907	//fprintf (stderr, "%s:%d: ev_count = %d\n", __FUNCTION__, __LINE__, ev_count);
908	}
909
910	if (!success)
911	{
912	XFreePixmap (dpy, tiled_root_pmap);
913	tiled_root_pmap = None;
914	}
915	else
916	result |= transpPmapTiled;
917	}	1279	{
918	else	1280	if (bg_pixmap)
		1281	XFreePixmap (dpy, bg_pixmap);
		1282	bg_pixmap = XCreatePixmap (dpy, vt, window_width, window_height, depth);
		1283	bg_pmap_width = window_width;
		1284	bg_pmap_height = window_height;
		1285	}
		1286
919	{/* strightforward pixmap copy */	1287	/* straightforward pixmap copy */
		1288	while (sx < 0) sx += root_width;
		1289	while (sy < 0) sy += root_height;
		1290
920	gcv.tile = root_pixmap;	1291	gcv.tile = recoded_root_pmap;
921	gcv.fill_style = FillTiled;	1292	gcv.fill_style = FillTiled;
922
923	while (sx < 0) sx += (int)root_width;
924	while (sy < 0) sy += (int)root_height;
925
926	gcv.ts_x_origin = -sx;	1293	gcv.ts_x_origin = -sx;
927	gcv.ts_y_origin = -sy;	1294	gcv.ts_y_origin = -sy;
928	gc = XCreateGC (dpy, root, GCFillStyle | GCTile | GCTileStipXOrigin | GCTileStipYOrigin, &gcv);	1295	gc = XCreateGC (dpy, vt, GCFillStyle | GCTile | GCTileStipXOrigin | GCTileStipYOrigin, &gcv);
		1296
		1297	if (gc)
		1298	{
		1299	XFillRectangle (dpy, bg_pixmap, gc, 0, 0, window_width, window_height);
		1300	result |= BG_IS_VALID | (bg_flags & BG_EFFECTS_FLAGS);
		1301	XFreeGC (dpy, gc);
		1302
		1303	if (!(bg_flags & BG_CLIENT_RENDER))
		1304	{
		1305	if ((bg_flags & BG_NEEDS_BLUR)
		1306	&& (bg_flags & BG_HAS_RENDER_CONV))
		1307	{
		1308	if (blur_pixmap (bg_pixmap, visual, window_width, window_height))
		1309	result &= ~BG_NEEDS_BLUR;
		1310	}
		1311	if ((bg_flags & BG_NEEDS_TINT)
		1312	&& (bg_flags & (BG_TINT_BITAND | BG_HAS_RENDER)))
		1313	{
		1314	if (tint_pixmap (bg_pixmap, visual, window_width, window_height))
		1315	result &= ~BG_NEEDS_TINT;
		1316	}
		1317	} /* server side rendering completed */
		1318	}
		1319
		1320	if (recoded_root_pmap != root_pixmap)
		1321	XFreePixmap (dpy, recoded_root_pmap);
		1322
		1323	return result;
		1324	}
		1325
		1326	void
		1327	rxvt_term::bg_set_root_pixmap ()
		1328	{
		1329	Pixmap new_root_pixmap = get_pixmap_property (xa[XA_XROOTPMAP_ID]);
		1330	if (new_root_pixmap == None)
		1331	new_root_pixmap = get_pixmap_property (xa[XA_ESETROOT_PMAP_ID]);
		1332
		1333	root_pixmap = new_root_pixmap;
		1334	}
		1335	# endif /* ENABLE_TRANSPARENCY */
		1336
		1337	#if defined(ENABLE_TRANSPARENCY) && !defined(HAVE_AFTERIMAGE)
		1338	static void shade_ximage (Visual *visual, XImage *ximage, int shade, const rgba &c);
		1339	# endif
		1340
		1341	bool
		1342	rxvt_term::bg_render ()
		1343	{
		1344	unsigned long tr_flags = 0;
		1345
		1346	bg_invalidate ();
		1347	# ifdef ENABLE_TRANSPARENCY
		1348	if (bg_flags & BG_IS_TRANSPARENT)
		1349	{
		1350	/* we need to re-generate transparency pixmap in that case ! */
		1351	tr_flags = make_transparency_pixmap ();
		1352	if (tr_flags == 0)
		1353	return false;
		1354	else if (!(tr_flags & BG_EFFECTS_FLAGS))
		1355	bg_flags |= BG_IS_VALID;
		1356	}
		1357	# endif
		1358
		1359	# ifdef BG_IMAGE_FROM_FILE
		1360	if ((bg_flags & BG_IS_FROM_FILE)
		1361	|| (tr_flags & BG_EFFECTS_FLAGS))
		1362	{
		1363	if (render_image (tr_flags))
		1364	bg_flags |= BG_IS_VALID;
		1365	}
		1366	# endif
		1367
		1368	# if defined(ENABLE_TRANSPARENCY) && !defined(HAVE_AFTERIMAGE)
		1369	XImage *result = NULL;
		1370
		1371	if (tr_flags && !(bg_flags & BG_IS_VALID))
		1372	{
		1373	result = XGetImage (dpy, bg_pixmap, 0, 0, bg_pmap_width, bg_pmap_height, AllPlanes, ZPixmap);
		1374	}
		1375
		1376	if (result)
		1377	{
		1378	/* our own client-side tinting */
		1379	if (tr_flags & BG_NEEDS_TINT)
		1380	{
		1381	rgba c (rgba::MAX_CC,rgba::MAX_CC,rgba::MAX_CC);
		1382	if (bg_flags & BG_TINT_SET)
		1383	tint.get (c);
		1384	shade_ximage (DefaultVisual (dpy, display->screen), result, shade, c);
		1385	}
		1386
		1387	GC gc = XCreateGC (dpy, vt, 0UL, NULL);
929		1388
930	if (gc)	1389	if (gc)
931	{	1390	{
932	XFillRectangle (dpy, tiled_root_pmap, gc, 0, 0, window_width, window_height);	1391	XPutImage (dpy, bg_pixmap, gc, result, 0, 0, 0, 0, result->width, result->height);
933	result |= transpPmapTiled;
934	}
935	}
936	TIMING_TEST_PRINT_RESULT (tp);
937		1392
938	if (tiled_root_pmap != None)	1393	XFreeGC (dpy, gc);
939	{	1394	bg_flags |= BG_IS_VALID;
940	if (!need_client_side_rendering ())
941	{	1395	}
942	if ((flags & tintNeeded))
943	{
944	if (flags & tintWholesome)
945	{
946	/* In this case we can tint image server-side getting significant
947	* performance improvements, as we eliminate XImage transfer
948	*/
949	gcv.foreground = Pixel (tint);
950	gcv.function = GXand;
951	gcv.fill_style = FillSolid;
952	if (gc)
953	XChangeGC (dpy, gc, GCFillStyle | GCForeground | GCFunction, &gcv);
954	else
955	gc = XCreateGC (dpy, root, GCFillStyle | GCForeground | GCFunction, &gcv);
956	if (gc)
957	{
958	XFillRectangle (dpy, tiled_root_pmap, gc, 0, 0, window_width, window_height);
959	result |= transpPmapTinted;
960	}
961	}
962	else
963	{
964	# if XFT
965	Picture back_pic = 0;
966	rgba c (rgba::MAX_CC,rgba::MAX_CC,rgba::MAX_CC);
967		1396
968	if (flags & tintSet)	1397	XDestroyImage (result);
969	tint.get (c);
970
971	if (shade > 0 && shade < 100)
972	{
973	c.r = (c.r * shade) / 100;
974	c.g = (c.g * shade) / 100;
975	c.b = (c.b * shade) / 100;
976	}
977	else if( shade > 100 && shade < 200)
978	{
979	c.r = (c.r * (200 - shade)) / 100;
980	c.g = (c.g * (200 - shade)) / 100;
981	c.b = (c.b * (200 - shade)) / 100;
982	}
983
984	XRenderPictFormat pf;
985	pf.type = PictTypeDirect;
986	pf.depth = 32;
987	pf.direct.redMask = 0xff;
988	pf.direct.greenMask = 0xff;
989	pf.direct.blueMask = 0xff;
990	pf.direct.alphaMask = 0xff;
991
992	XRenderPictFormat *solid_format = XRenderFindFormat (dpy,
993	(PictFormatType|
994	PictFormatDepth|
995	PictFormatRedMask|
996	PictFormatGreenMask|
997	PictFormatBlueMask|
998	PictFormatAlphaMask),
999	&pf,
1000	0);
1001	XRenderPictFormat *root_format = XRenderFindVisualFormat (dpy, DefaultVisualOfScreen (ScreenOfDisplay (dpy, target->display->screen)));
1002	XRenderPictureAttributes pa ;
1003
1004	back_pic = XRenderCreatePicture (dpy, tiled_root_pmap, root_format, 0, &pa);
1005
1006	pa.repeat = True;
1007
1008	Pixmap overlay_pmap = XCreatePixmap (dpy, root, 1, 1, 32);
1009	Picture overlay_pic = XRenderCreatePicture (dpy, overlay_pmap, solid_format, CPRepeat, &pa);
1010	XFreePixmap (dpy, overlay_pmap);
1011
1012	pa.component_alpha = True;
1013	Pixmap mask_pmap = XCreatePixmap (dpy, root, 1, 1, 32);
1014	Picture mask_pic = XRenderCreatePicture (dpy, mask_pmap, solid_format, CPRepeat|CPComponentAlpha, &pa);
1015	XFreePixmap (dpy, mask_pmap);
1016
1017	if (mask_pic && overlay_pic && back_pic)
1018	{
1019	XRenderColor mask_c;
1020
1021	memset (&mask_c, (shade > 100) ? 0xFF : 0x0, sizeof (mask_c));
1022	mask_c.alpha = 0xffff;
1023	XRenderFillRectangle (dpy, PictOpSrc, overlay_pic, &mask_c, 0, 0, 1, 1);
1024
1025	mask_c.alpha = 0;
1026	mask_c.red = 0xffff - c.r;
1027	mask_c.green = 0xffff - c.g;
1028	mask_c.blue = 0xffff - c.b;
1029	XRenderFillRectangle (dpy, PictOpSrc, mask_pic, &mask_c, 0, 0, 1, 1);
1030	XRenderComposite (dpy, PictOpOver, overlay_pic, mask_pic, back_pic, 0, 0, 0, 0, 0, 0, window_width, window_height);
1031	result |= transpPmapTinted;
1032	}
1033	XRenderFreePicture (dpy, mask_pic);
1034	XRenderFreePicture (dpy, overlay_pic);
1035	XRenderFreePicture (dpy, back_pic);
1036	# if DO_TIMING_TEST
1037	XSync (dpy, False);
1038	# endif
1039	# endif
1040	}
1041	}
1042	} /* server side rendering completed */
1043
1044	if (pixmap)
1045	XFreePixmap (dpy, pixmap);
1046
1047	pixmap = tiled_root_pmap;
1048	pmap_width = window_width;
1049	pmap_height = window_height;
1050	pmap_depth = root_depth;
1051	}
1052
1053	if (gc)
1054	XFreeGC (dpy, gc);
1055
1056	TIMING_TEST_PRINT_RESULT (tp);
1057
1058	return result;
1059	}
1060
1061	bool
1062	bgPixmap_t::set_root_pixmap ()
1063	{
1064	Pixmap new_root_pixmap = None;
1065
1066	new_root_pixmap = target->get_pixmap_property (XA_XROOTPMAP_ID);
1067	if (new_root_pixmap == None)
1068	new_root_pixmap = target->get_pixmap_property (XA_ESETROOT_PMAP_ID);
1069
1070	if (new_root_pixmap != root_pixmap)
1071	{	1398	}
1072	root_pixmap = new_root_pixmap;
1073	return true;
1074	}
1075	return false;
1076	}
1077	# endif /* ENABLE_TRANSPARENCY */
1078
1079	# ifndef HAVE_AFTERIMAGE
1080	static void ShadeXImage(rxvt_term *term, XImage* srcImage, int shade, int rm, int gm, int bm);
1081	# endif	1399	# endif
1082		1400
1083		1401	if (!(bg_flags & BG_IS_VALID))
1084	bool
1085	bgPixmap_t::render ()
1086	{
1087	unsigned long background_flags = 0;
1088
1089	if (target == NULL)
1090	return false;
1091
1092	TIMING_TEST_START (tp);
1093
1094	invalidate();
1095	# ifdef ENABLE_TRANSPARENCY
1096	if (flags & isTransparent)
1097	{
1098	/* we need to re-generate transparency pixmap in that case ! */
1099	background_flags = make_transparency_pixmap ();
1100	if (background_flags == 0)
1101	return false;
1102	else if ((background_flags & transpTransformations) == (flags & transpTransformations)
1103	&& pmap_depth == target->depth)
1104	flags = flags & ~isInvalid;
1105	}	1402	{
1106	# endif
1107
1108	XImage *result = NULL;
1109	# ifdef HAVE_AFTERIMAGE
1110	if (original_asim
1111	|| (background_flags & transpTransformations) != (flags & transpTransformations))
1112	{
1113	ASImage *background = NULL;
1114	ARGB32 as_tint = TINT_LEAVE_SAME;
1115	if (background_flags)
1116	background = pixmap2ximage (target->asv, pixmap, 0, 0, pmap_width, pmap_height, AllPlanes, 100);
1117
1118	# ifdef ENABLE_TRANSPARENCY
1119	if (!(background_flags & transpPmapTinted) && (flags & tintNeeded))
1120	{
1121	ShadingInfo as_shade;
1122	as_shade.shading = (shade == 0) ? 100 : shade;
1123
1124	rgba c (rgba::MAX_CC,rgba::MAX_CC,rgba::MAX_CC);
1125	if (flags & tintSet)
1126	tint.get (c);
1127	as_shade.tintColor.red = c.r;
1128	as_shade.tintColor.green = c.g;
1129	as_shade.tintColor.blue = c.b;
1130
1131	as_tint = shading2tint32 (&as_shade);
1132	}
1133	if (!(background_flags & transpPmapBlured) && (flags & blurNeeded) && background != NULL)
1134	{
1135	ASImage* tmp = blur_asimage_gauss (target->asv, background, h_blurRadius, v_blurRadius, 0xFFFFFFFF,
1136	(original_asim == NULL || tint == TINT_LEAVE_SAME)?ASA_XImage:ASA_ASImage,
1137	100, ASIMAGE_QUALITY_DEFAULT);
1138	if (tmp)
1139	{
1140	destroy_asimage (&background);
1141	background = tmp;
1142	}
1143	}
1144	# endif
1145
1146	if (render_asim (background, as_tint))
1147	flags = flags & ~isInvalid;
1148	if (background)
1149	destroy_asimage (&background);
1150	}
1151	else if (background_flags && pmap_depth != target->depth)
1152	{
1153	result = XGetImage (target->dpy, pixmap, 0, 0, pmap_width, pmap_height, AllPlanes, ZPixmap);
1154	}
1155
1156	# elif !XFT /* our own client-side tinting */
1157
1158	/* ATTENTION: We ASSUME that XFT will let us do all the tinting neccessary server-side.
1159	This may need to be changed in need_client_side_rendering() logic is altered !!! */
1160
1161	if (background_flags && (flags & isInvalid))
1162	{
1163	result = XGetImage (target->dpy, pixmap, 0, 0, pmap_width, pmap_height, AllPlanes, ZPixmap);
1164	if (result != NULL && !(background_flags & transpPmapTinted) && (flags & tintNeeded))
1165	{
1166	rgba c (rgba::MAX_CC,rgba::MAX_CC,rgba::MAX_CC);
1167	if (flags & tintSet)
1168	tint.get (c);
1169	ShadeXImage (target, result, shade, c.r, c.g, c.b);
1170	}
1171	}
1172	# endif /* HAVE_AFTERIMAGE */
1173
1174	if (result != NULL)
1175	{
1176	GC gc = XCreateGC (target->dpy, target->vt, 0UL, NULL);
1177	if (gc)
1178	{
1179	if (/*pmap_depth != target->depth &&*/ pixmap != None)
1180	{
1181	XFreePixmap (target->dpy, pixmap);
1182	pixmap = None;
1183	}
1184	if (pixmap == None)
1185	{
1186	pixmap = XCreatePixmap (target->dpy, target->vt, result->width, result->height, target->depth);
1187	pmap_width = result->width;
1188	pmap_height = result->height;
1189	pmap_depth = target->depth;
1190	}
1191	if (pmap_depth != result->depth)
1192	{ /* Bad Match error will ensue ! stupid X !!!! */
1193	if( result->depth == 24 && pmap_depth == 32)
1194	result->depth = 32;
1195	else if( result->depth == 32 && pmap_depth == 24)
1196	result->depth = 24;
1197	else
1198	{
1199	/* TODO: implement image recoding */
1200	}
1201	}
1202	if (pmap_depth == result->depth)
1203	XPutImage (target->dpy, pixmap, gc, result, 0, 0, 0, 0, result->width, result->height);
1204	XFreeGC (target->dpy, gc);
1205	flags = flags & ~isInvalid;
1206	}
1207	XDestroyImage (result);
1208	}
1209
1210	if (flags & isInvalid)
1211	{
1212	if (pixmap != None)	1403	if (bg_pixmap != None)
1213	{	1404	{
1214	XFreePixmap (target->dpy, pixmap);	1405	XFreePixmap (dpy, bg_pixmap);
1215	pixmap = None;	1406	bg_pixmap = None;
1216	}	1407	}
1217	}	1408	}
1218		1409
1219	apply ();	1410	scr_recolour (false);
		1411	bg_flags |= BG_NEEDS_REFRESH;
1220		1412
1221	TIMING_TEST_PRINT_RESULT (tp);	1413	bg_valid_since = ev::now ();
1222		1414
1223	return true;	1415	return true;
1224	}	1416	}
1225		1417
1226	bool
1227	bgPixmap_t::set_target (rxvt_term *new_target)
1228	{
1229	if (new_target)
1230	if (target != new_target)
1231	{
1232	target = new_target;
1233	# ifdef ENABLE_TRANSPARENCY
1234	root_depth = DefaultDepthOfScreen (ScreenOfDisplay (target->dpy, target->display->screen));
1235	# endif
1236	return true;
1237	}
1238	return false;
1239	}
1240
1241	void	1418	void
1242	bgPixmap_t::apply()	1419	rxvt_term::bg_init ()
1243	{	1420	{
1244	if (target)
1245	{
1246	flags &= ~isVtOrigin;
1247	if (pixmap != None)
1248	{ /* set target's background to pixmap */
1249	# ifdef ENABLE_TRANSPARENCY	1421	#ifdef ENABLE_TRANSPARENCY
1250	if (flags & isTransparent)	1422	shade = 100;
1251	{
1252	XSetWindowBackgroundPixmap (target->dpy, target->parent[0], pixmap);
1253	XSetWindowBackgroundPixmap (target->dpy, target->vt, ParentRelative);
1254	# if HAVE_SCROLLBARS
1255	if (target->scrollBar.win)
1256	XSetWindowBackgroundPixmap (target->dpy, target->scrollBar.win, ParentRelative);
1257	# endif
1258	}
1259	else
1260	# endif	1423	#endif
1261	{	1424
1262	flags |= isVtOrigin;	1425	bg_flags &= ~(BG_HAS_RENDER | BG_HAS_RENDER_CONV);
1263	/* force old pixmap dereference in case it was transparent before :*/	1426	#if XRENDER
1264	XSetWindowBackground (target->dpy, target->parent[0], target->pix_colors[Color_border]);	1427	int major, minor;
1265	XSetWindowBackgroundPixmap (target->dpy, target->vt, pixmap);	1428	if (XRenderQueryVersion (dpy, &major, &minor))
1266	/* do we also need to set scrollbar's background here ? */	1429	bg_flags |= BG_HAS_RENDER;
1267	# if HAVE_SCROLLBARS	1430	XFilters *filters = XRenderQueryFilters (dpy, vt);
1268	if (target->scrollBar.win)	1431	if (filters)
1269	XSetWindowBackground (target->dpy, target->scrollBar.win, target->pix_colors[Color_border]);	1432	{
		1433	for (int i = 0; i < filters->nfilter; i++)
		1434	if (!strcmp (filters->filter[i], FilterConvolution))
		1435	bg_flags |= BG_HAS_RENDER_CONV;
		1436
		1437	XFree (filters);
		1438	}
1270	# endif	1439	#endif
1271	}
1272	}
1273	else
1274	{ /* set target background to a pixel */
1275	XSetWindowBackground (target->dpy, target->parent[0], target->pix_colors[Color_border]);
1276	XSetWindowBackground (target->dpy, target->vt, target->pix_colors[Color_bg]);
1277	/* do we also need to set scrollbar's background here ? */
1278	# if HAVE_SCROLLBARS
1279	if (target->scrollBar.win)
1280	XSetWindowBackground (target->dpy, target->scrollBar.win, target->pix_colors[Color_border]);
1281	# endif
1282	}
1283	/* don't want Expose on the parent or vt. It is better to use
1284	scr_touch or we get a great deal of flicker otherwise: */
1285	XClearWindow (target->dpy, target->parent[0]);
1286
1287	# if HAVE_SCROLLBARS
1288	if (target->scrollBar.win)
1289	{
1290	target->scrollBar.setIdle ();
1291	target->scrollbar_show (0);
1292	}
1293	# endif
1294
1295	target->want_refresh = 1;
1296	flags |= hasChanged;
1297	}
1298	}	1440	}
1299		1441
1300	#endif /* HAVE_BG_PIXMAP */	1442	#endif /* HAVE_BG_PIXMAP */
1301		1443
1302	#if defined(ENABLE_TRANSPARENCY) && !defined(HAVE_AFTERIMAGE) && !XFT	1444	#if defined(ENABLE_TRANSPARENCY) && !defined(HAVE_AFTERIMAGE)
1303	/* taken from aterm-0.4.2 */	1445	/* taken from aterm-0.4.2 */
1304		1446
1305	typedef uint32_t RUINT32T;
1306
1307	static void	1447	static void
1308	ShadeXImage(rxvt_term *term, XImage* srcImage, int shade, int rm, int gm, int bm)	1448	shade_ximage (Visual *visual, XImage *ximage, int shade, const rgba &c)
1309	{	1449	{
1310	int sh_r, sh_g, sh_b;	1450	int sh_r, sh_g, sh_b;
1311	RUINT32T mask_r, mask_g, mask_b;	1451	uint32_t mask_r, mask_g, mask_b;
1312	RUINT32T *lookup, *lookup_r, *lookup_g, *lookup_b;	1452	uint32_t *lookup, *lookup_r, *lookup_g, *lookup_b;
1313	unsigned int lower_lim_r, lower_lim_g, lower_lim_b;	1453	rgba low;
1314	unsigned int upper_lim_r, upper_lim_g, upper_lim_b;	1454	rgba high;
1315	int i;	1455	int i;
		1456	int host_byte_order = ecb_big_endian () ? MSBFirst : LSBFirst;
1316		1457
1317	Visual *visual = term->visual;
1318
1319	if (visual->c_class != TrueColor || srcImage->format != ZPixmap) return ;	1458	if (visual->c_class != TrueColor || ximage->format != ZPixmap) return;
1320
1321	if (shade == 0)
1322	shade = 100;
1323		1459
1324	/* for convenience */	1460	/* for convenience */
1325	mask_r = visual->red_mask;	1461	mask_r = visual->red_mask;
1326	mask_g = visual->green_mask;	1462	mask_g = visual->green_mask;
1327	mask_b = visual->blue_mask;	1463	mask_b = visual->blue_mask;
1328		1464
1329	/* boring lookup table pre-initialization */	1465	/* boring lookup table pre-initialization */
1330	switch (srcImage->bits_per_pixel) {	1466	switch (ximage->depth)
		1467	{
1331	case 15:	1468	case 15:
1332	if ((mask_r != 0x7c00) ||	1469	if ((mask_r != 0x7c00) ||
1333	(mask_g != 0x03e0) ||	1470	(mask_g != 0x03e0) ||
1334	(mask_b != 0x001f))	1471	(mask_b != 0x001f))
1335	return;	1472	return;
1336	lookup = (RUINT32T *) malloc (sizeof (RUINT32T)*(32+32+32));	1473	lookup = (uint32_t *) malloc (sizeof (uint32_t)*(32+32+32));
1337	lookup_r = lookup;	1474	lookup_r = lookup;
1338	lookup_g = lookup+32;	1475	lookup_g = lookup+32;
1339	lookup_b = lookup+32+32;	1476	lookup_b = lookup+32+32;
1340	sh_r = 10;	1477	sh_r = 10;
1341	sh_g = 5;	1478	sh_g = 5;
1342	sh_b = 0;	1479	sh_b = 0;
1343	break;	1480	break;
1344	case 16:	1481	case 16:
1345	if ((mask_r != 0xf800) ||	1482	if ((mask_r != 0xf800) ||
1346	(mask_g != 0x07e0) ||	1483	(mask_g != 0x07e0) ||
1347	(mask_b != 0x001f))	1484	(mask_b != 0x001f))
1348	return;	1485	return;
1349	lookup = (RUINT32T *) malloc (sizeof (RUINT32T)*(32+64+32));	1486	lookup = (uint32_t *) malloc (sizeof (uint32_t)*(32+64+32));
1350	lookup_r = lookup;	1487	lookup_r = lookup;
1351	lookup_g = lookup+32;	1488	lookup_g = lookup+32;
1352	lookup_b = lookup+32+64;	1489	lookup_b = lookup+32+64;
1353	sh_r = 11;	1490	sh_r = 11;
1354	sh_g = 5;	1491	sh_g = 5;
1355	sh_b = 0;	1492	sh_b = 0;
1356	break;	1493	break;
1357	case 24:	1494	case 24:
1358	if ((mask_r != 0xff0000) ||	1495	if ((mask_r != 0xff0000) ||
1359	(mask_g != 0x00ff00) ||	1496	(mask_g != 0x00ff00) ||
1360	(mask_b != 0x0000ff))	1497	(mask_b != 0x0000ff))
1361	return;	1498	return;
1362	lookup = (RUINT32T *) malloc (sizeof (RUINT32T)*(256+256+256));	1499	lookup = (uint32_t *) malloc (sizeof (uint32_t)*(256+256+256));
1363	lookup_r = lookup;	1500	lookup_r = lookup;
1364	lookup_g = lookup+256;	1501	lookup_g = lookup+256;
1365	lookup_b = lookup+256+256;	1502	lookup_b = lookup+256+256;
1366	sh_r = 16;	1503	sh_r = 16;
1367	sh_g = 8;	1504	sh_g = 8;
1368	sh_b = 0;	1505	sh_b = 0;
1369	break;	1506	break;
1370	case 32:	1507	case 32:
1371	if ((mask_r != 0xff0000) ||	1508	if ((mask_r != 0xff0000) ||
1372	(mask_g != 0x00ff00) ||	1509	(mask_g != 0x00ff00) ||
1373	(mask_b != 0x0000ff))	1510	(mask_b != 0x0000ff))
1374	return;	1511	return;
1375	lookup = (RUINT32T *) malloc (sizeof (RUINT32T)*(256+256+256));	1512	lookup = (uint32_t *) malloc (sizeof (uint32_t)*(256+256+256));
1376	lookup_r = lookup;	1513	lookup_r = lookup;
1377	lookup_g = lookup+256;	1514	lookup_g = lookup+256;
1378	lookup_b = lookup+256+256;	1515	lookup_b = lookup+256+256;
1379	sh_r = 16;	1516	sh_r = 16;
1380	sh_g = 8;	1517	sh_g = 8;
1381	sh_b = 0;	1518	sh_b = 0;
1382	break;	1519	break;
1383	default:	1520	default:
1384	return; /* we do not support this color depth */	1521	return; /* we do not support this color depth */
1385	}	1522	}
1386		1523
1387	/* prepare limits for color transformation (each channel is handled separately) */	1524	/* prepare limits for color transformation (each channel is handled separately) */
1388	if (shade < 0) {	1525	if (shade > 100)
		1526	{
1389	shade = -shade;	1527	shade = 200 - shade;
1390	if (shade < 0) shade = 0;
1391	if (shade > 100) shade = 100;
1392		1528
1393	lower_lim_r = 65535-rm;	1529	high.r = c.r * shade / 100;
1394	lower_lim_g = 65535-gm;	1530	high.g = c.g * shade / 100;
1395	lower_lim_b = 65535-bm;	1531	high.b = c.b * shade / 100;
1396		1532
1397	lower_lim_r = 65535-(unsigned int)(((RUINT32T)lower_lim_r)*((RUINT32T)shade)/100);	1533	low.r = 65535 * (100 - shade) / 100;
1398	lower_lim_g = 65535-(unsigned int)(((RUINT32T)lower_lim_g)*((RUINT32T)shade)/100);	1534	low.g = 65535 * (100 - shade) / 100;
1399	lower_lim_b = 65535-(unsigned int)(((RUINT32T)lower_lim_b)*((RUINT32T)shade)/100);	1535	low.b = 65535 * (100 - shade) / 100;
1400
1401	upper_lim_r = upper_lim_g = upper_lim_b = 65535;
1402	} else {
1403	if (shade < 0) shade = 0;
1404	if (shade > 100) shade = 100;
1405
1406	lower_lim_r = lower_lim_g = lower_lim_b = 0;
1407
1408	upper_lim_r = (unsigned int)((((RUINT32T)rm)*((RUINT32T)shade))/100);
1409	upper_lim_g = (unsigned int)((((RUINT32T)gm)*((RUINT32T)shade))/100);
1410	upper_lim_b = (unsigned int)((((RUINT32T)bm)*((RUINT32T)shade))/100);
1411	}	1536	}
1412		1537	else
1413	/* switch red and blue bytes if necessary, we need it for some weird XServers like XFree86 3.3.3.1 */
1414	if ((srcImage->bits_per_pixel == 24) && (mask_r >= 0xFF0000 ))
1415	{	1538	{
1416	unsigned int tmp;	1539	high.r = c.r * shade / 100;
		1540	high.g = c.g * shade / 100;
		1541	high.b = c.b * shade / 100;
1417		1542
1418	tmp = lower_lim_r;	1543	low.r = low.g = low.b = 0;
1419	lower_lim_r = lower_lim_b;
1420	lower_lim_b = tmp;
1421
1422	tmp = upper_lim_r;
1423	upper_lim_r = upper_lim_b;
1424	upper_lim_b = tmp;
1425	}	1544	}
1426		1545
1427	/* fill our lookup tables */	1546	/* fill our lookup tables */
1428	for (i = 0; i <= mask_r>>sh_r; i++)	1547	for (i = 0; i <= mask_r>>sh_r; i++)
1429	{	1548	{
1430	RUINT32T tmp;	1549	uint32_t tmp;
1431	tmp = ((RUINT32T)i)*((RUINT32T)(upper_lim_r-lower_lim_r));	1550	tmp = i * high.r;
1432	tmp += ((RUINT32T)(mask_r>>sh_r))*((RUINT32T)lower_lim_r);	1551	tmp += (mask_r>>sh_r) * low.r;
1433	lookup_r[i] = (tmp/65535)<<sh_r;	1552	lookup_r[i] = (tmp/65535)<<sh_r;
1434	}	1553	}
1435	for (i = 0; i <= mask_g>>sh_g; i++)	1554	for (i = 0; i <= mask_g>>sh_g; i++)
1436	{	1555	{
1437	RUINT32T tmp;	1556	uint32_t tmp;
1438	tmp = ((RUINT32T)i)*((RUINT32T)(upper_lim_g-lower_lim_g));	1557	tmp = i * high.g;
1439	tmp += ((RUINT32T)(mask_g>>sh_g))*((RUINT32T)lower_lim_g);	1558	tmp += (mask_g>>sh_g) * low.g;
1440	lookup_g[i] = (tmp/65535)<<sh_g;	1559	lookup_g[i] = (tmp/65535)<<sh_g;
1441	}	1560	}
1442	for (i = 0; i <= mask_b>>sh_b; i++)	1561	for (i = 0; i <= mask_b>>sh_b; i++)
1443	{	1562	{
1444	RUINT32T tmp;	1563	uint32_t tmp;
1445	tmp = ((RUINT32T)i)*((RUINT32T)(upper_lim_b-lower_lim_b));	1564	tmp = i * high.b;
1446	tmp += ((RUINT32T)(mask_b>>sh_b))*((RUINT32T)lower_lim_b);	1565	tmp += (mask_b>>sh_b) * low.b;
1447	lookup_b[i] = (tmp/65535)<<sh_b;	1566	lookup_b[i] = (tmp/65535)<<sh_b;
1448	}	1567	}
1449		1568
1450	/* apply table to input image (replacing colors by newly calculated ones) */	1569	/* apply table to input image (replacing colors by newly calculated ones) */
1451	switch (srcImage->bits_per_pixel)	1570	if (ximage->bits_per_pixel == 32
		1571	&& (ximage->depth == 24 || ximage->depth == 32)
		1572	&& ximage->byte_order == host_byte_order)
1452	{	1573	{
1453	case 15:
1454	{
1455	unsigned short *p1, *pf, *p, *pl;	1574	uint32_t *p1, *pf, *p, *pl;
1456	p1 = (unsigned short *) srcImage->data;	1575	p1 = (uint32_t *) ximage->data;
1457	pf = (unsigned short *) (srcImage->data + srcImage->height * srcImage->bytes_per_line);	1576	pf = (uint32_t *) (ximage->data + ximage->height * ximage->bytes_per_line);
		1577
1458	while (p1 < pf)	1578	while (p1 < pf)
1459	{	1579	{
1460	p = p1;	1580	p = p1;
1461	pl = p1 + srcImage->width;	1581	pl = p1 + ximage->width;
1462	for (; p < pl; p++)	1582	for (; p < pl; p++)
1463	{	1583	{
1464	*p = lookup_r[(*p & 0x7c00)>>10] |
1465	lookup_g[(*p & 0x03e0)>> 5] |
1466	lookup_b[(*p & 0x001f)];
1467	}
1468	p1 = (unsigned short *) ((char *) p1 + srcImage->bytes_per_line);
1469	}
1470	break;
1471	}
1472	case 16:
1473	{
1474	unsigned short *p1, *pf, *p, *pl;
1475	p1 = (unsigned short *) srcImage->data;
1476	pf = (unsigned short *) (srcImage->data + srcImage->height * srcImage->bytes_per_line);
1477	while (p1 < pf)
1478	{
1479	p = p1;
1480	pl = p1 + srcImage->width;
1481	for (; p < pl; p++)
1482	{
1483	*p = lookup_r[(*p & 0xf800)>>11] |
1484	lookup_g[(*p & 0x07e0)>> 5] |
1485	lookup_b[(*p & 0x001f)];
1486	}
1487	p1 = (unsigned short *) ((char *) p1 + srcImage->bytes_per_line);
1488	}
1489	break;
1490	}
1491	case 24:
1492	{
1493	unsigned char *p1, *pf, *p, *pl;
1494	p1 = (unsigned char *) srcImage->data;
1495	pf = (unsigned char *) (srcImage->data + srcImage->height * srcImage->bytes_per_line);
1496	while (p1 < pf)
1497	{
1498	p = p1;
1499	pl = p1 + srcImage->width * 3;
1500	for (; p < pl; p += 3)
1501	{
1502	p[0] = lookup_r[(p[0] & 0xff0000)>>16];
1503	p[1] = lookup_r[(p[1] & 0x00ff00)>> 8];
1504	p[2] = lookup_r[(p[2] & 0x0000ff)];
1505	}
1506	p1 = (unsigned char *) ((char *) p1 + srcImage->bytes_per_line);
1507	}
1508	break;
1509	}
1510	case 32:
1511	{
1512	RUINT32T *p1, *pf, *p, *pl;
1513	p1 = (RUINT32T *) srcImage->data;
1514	pf = (RUINT32T *) (srcImage->data + srcImage->height * srcImage->bytes_per_line);
1515
1516	while (p1 < pf)
1517	{
1518	p = p1;
1519	pl = p1 + srcImage->width;
1520	for (; p < pl; p++)
1521	{
1522	*p = lookup_r[(*p & 0xff0000)>>16] |	1584	*p = lookup_r[(*p & 0xff0000) >> 16] |
1523	lookup_g[(*p & 0x00ff00)>> 8] |	1585	lookup_g[(*p & 0x00ff00) >> 8] |
1524	lookup_b[(*p & 0x0000ff)] |	1586	lookup_b[(*p & 0x0000ff)] |
1525	(*p & ~0xffffff);	1587	(*p & 0xff000000);
		1588	}
		1589	p1 = (uint32_t *) ((char *) p1 + ximage->bytes_per_line);
		1590	}
		1591	}
		1592	else
		1593	{
		1594	for (int y = 0; y < ximage->height; y++)
		1595	for (int x = 0; x < ximage->width; x++)
		1596	{
		1597	unsigned long pixel = XGetPixel (ximage, x, y);
		1598	pixel = lookup_r[(pixel & mask_r) >> sh_r] |
		1599	lookup_g[(pixel & mask_g) >> sh_g] |
		1600	lookup_b[(pixel & mask_b) >> sh_b];
		1601	XPutPixel (ximage, x, y, pixel);
1526	}	1602	}
1527	p1 = (RUINT32T *) ((char *) p1 + srcImage->bytes_per_line);
1528	}	1603	}
1529	break;
1530	}
1531	}
1532		1604
1533	free (lookup);	1605	free (lookup);
1534	}	1606	}
1535	#endif /* defined(ENABLE_TRANSPARENCY) && !defined(HAVE_AFTERIMAGE) */	1607	#endif /* defined(ENABLE_TRANSPARENCY) && !defined(HAVE_AFTERIMAGE) */

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