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Comparing rxvt-unicode/src/background.C (file contents):
Revision 1.7 by sasha, Fri Oct 26 17:10:48 2007 UTC vs.
Revision 1.199 by sf-exg, Tue Jan 17 19:51:30 2012 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
31		30	# include <X11/extensions/Xrender.h>
32	#if DO_TIMING_TEST
33	#define TIMING_TEST_START(id) \
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	31	#endif
46		32
47	/*	33	#ifndef FilterConvolution
48	* Pixmap geometry string interpretation :	34	#define FilterConvolution "convolution"
49	* Each geometry string contains zero or one scale/position	35	#endif
50	* adjustment and may optionally be followed by a colon and one or more	36
51	* colon-delimited pixmap operations.	37	#ifndef RepeatPad
52	* The following table shows the valid geometry strings and their	38	#define RepeatPad True
53	* affects on the background image :	39	#endif
54	*
55	* 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.
57	* X and Y are also percentages; e.g., +50+50 centers
58	* 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	*
78	* 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	*/
90		40
91	#ifdef HAVE_BG_PIXMAP	41	#ifdef HAVE_BG_PIXMAP
92	bgPixmap_t::bgPixmap_t()	42	# if XRENDER
		43	static Picture
		44	create_xrender_mask (Display *dpy, Drawable drawable, Bool argb, Bool component_alpha)
		45	{
		46	Pixmap pixmap = XCreatePixmap (dpy, drawable, 1, 1, argb ? 32 : 8);
		47
		48	XRenderPictFormat *format = XRenderFindStandardFormat (dpy, argb ? PictStandardARGB32 : PictStandardA8);
		49	XRenderPictureAttributes pa;
		50	pa.repeat = True;
		51	pa.component_alpha = component_alpha;
		52	Picture mask = XRenderCreatePicture (dpy, pixmap, format, CPRepeat | CPComponentAlpha, &pa);
		53
		54	XFreePixmap (dpy, pixmap);
		55
		56	return mask;
		57	}
		58	# endif
		59
		60	void
		61	rxvt_term::bg_destroy ()
93	{	62	{
94	#ifdef HAVE_AFTERIMAGE	63	#ifdef HAVE_AFTERIMAGE
95	original_asim = NULL;	64	if (original_asim)
		65	safe_asimage_destroy (original_asim);
		66	if (asv)
		67	destroy_asvisual (asv, 0);
		68	if (asimman)
		69	destroy_image_manager (asimman, 0);
96	#endif	70	#endif
97	#ifdef BG_IMAGE_FROM_FILE	71
98	h_scale = v_scale = 0;	72	#ifdef HAVE_PIXBUF
99	h_align = v_align = 0;	73	if (pixbuf)
		74	g_object_unref (pixbuf);
100	#endif	75	#endif
101	flags = 0;
102	pixmap = None;
103	}
104		76
		77	if (bg_pixmap)
		78	XFreePixmap (dpy, bg_pixmap);
		79	}
105		80
106	bool	81	bool
107	bgPixmap_t::window_size_sensitive ()	82	rxvt_term::bg_set_position (int x, int y)
108	{	83	{
109	# ifdef BG_IMAGE_FROM_FILE	84
110	# ifdef HAVE_AFTERIMAGE	85	if (target_x != x
111	if (original_asim != NULL)	86	|| target_y != y)
112	# endif
113	{	87	{
114	if (h_scale != 0 || v_scale != 0	88	target_x = x;
115	|| h_align != 0 || v_align != 0)	89	target_y = y;
116	return true;	90	return true;
117	}	91	}
118	# endif	92	return false;
		93	}
		94
		95	bool
		96	rxvt_term::bg_window_size_sensitive ()
		97	{
119	# ifdef ENABLE_TRANSPARENCY	98	# ifdef ENABLE_TRANSPARENCY
120	if (flags & isTransparent)	99	if (bg_flags & BG_IS_TRANSPARENT)
121	return true;	100	return true;
122	# endif	101	# endif
		102
		103	# ifdef BG_IMAGE_FROM_FILE
		104	if (bg_flags & BG_IS_FROM_FILE)
		105	{
		106	if (bg_flags & BG_IS_SIZE_SENSITIVE)
		107	return true;
		108	}
		109	# endif
		110
123	return false;	111	return false;
124	}	112	}
125		113
126	bool bgPixmap_t::need_client_side_rendering ()	114	bool
		115	rxvt_term::bg_window_position_sensitive ()
127	{	116	{
128	# ifdef HAVE_AFTERIMAGE	117	# ifdef ENABLE_TRANSPARENCY
129	if (original_asim != NULL)	118	if (bg_flags & BG_IS_TRANSPARENT)
130	return true;	119	return true;
131	# endif	120	# endif
132	# ifdef ENABLE_TRANSPARENCY	121
133	if (flags & isTransparent)	122	# ifdef BG_IMAGE_FROM_FILE
		123	if (bg_flags & BG_IS_FROM_FILE)
134	{	124	{
135	# ifdef HAVE_AFTERIMAGE // can't blur without libAI anyways	125	if (bg_flags & BG_ROOT_ALIGN)
136	if ((flags & blurNeeded) && !(flags & blurServerSide))
137	return true;
138	# endif
139	if ((flags & tintNeeded) && !(flags & tintServerSide))
140	return true;	126	return true;
141	}	127	}
142	# endif	128	# endif
		129
143	return false;	130	return false;
144	}	131	}
145		132
146	# ifdef BG_IMAGE_FROM_FILE	133	# ifdef BG_IMAGE_FROM_FILE
147	static inline bool
148	check_set_scale_value (int geom_flags, int flag, unsigned int &scale, unsigned int new_value)
149	{
150	if (geom_flags & flag)
151	{
152	if (new_value > 1000)
153	new_value = 1000;
154	if (new_value != scale)
155	{
156	scale = new_value;
157	return true;
158	}
159	}
160	return false;
161	}
162
163	static inline bool
164	check_set_align_value (int geom_flags, int flag, int &align, int new_value)
165	{
166	if (geom_flags & flag)
167	{
168	if (new_value < -100)
169	new_value = -100;
170	else if (new_value > 200)
171	new_value = 200;
172	if (new_value != align)
173	{
174	align = new_value;
175	return true;
176	}
177	}
178	return false;
179	}
180
181	static inline int	134	static inline int
182	make_align_position (int align, int window_size, int image_size)	135	make_align_position (int align, int window_size, int image_size)
183	{	136	{
184	int diff = window_size - image_size;	137	int diff = window_size - image_size;
185	int smaller = MIN (image_size,window_size);	138	int smaller = min (image_size, window_size);
186		139
187	if (align >= 0 && align <= 50)	140	if (align >= 0 && align <= 100)
188	return diff * align / 100;	141	return diff * align / 100;
189	else if (align > 50 && align <= 100)
190	return window_size - image_size - diff * (100 - align) / 100;
191	else if (align > 100 && align <= 200 )	142	else if (align > 100 && align <= 200)
192	return ((align - 100) * smaller / 100) + window_size - smaller;	143	return (align - 100) * smaller / 100 + window_size - smaller;
193	else if (align > -100 && align < 0)	144	else if (align >= -100 && align < 0)
194	return ((align + 100) * smaller / 100) - image_size;	145	return (align + 100) * smaller / 100 - image_size;
195	return 0;	146	return 0;
196	}	147	}
197		148
198	static inline int	149	static inline int
199	make_clip_rectangle (int pos, int size, int target_size, int &dst_pos, int &dst_size)	150	make_clip_rectangle (int pos, int size, int target_size, int &dst_pos, int &dst_size)
200	{	151	{
201	int src_pos = 0;	152	int src_pos = 0;
202	dst_pos = 0;	153	dst_pos = pos;
203	dst_size = size;	154	dst_size = size;
204	if (pos < 0 && size > target_size)	155	if (pos < 0)
205	{	156	{
206	src_pos = -pos;	157	src_pos = -pos;
		158	dst_pos = 0;
207	dst_size += pos;	159	dst_size += pos;
208	}	160	}
209	else if (pos > 0)
210	dst_pos = pos;
211		161
212	if (dst_pos + dst_size > target_size)
213	dst_size = target_size - dst_pos;	162	min_it (dst_size, target_size - dst_pos);
214	return src_pos;	163	return src_pos;
215	}	164	}
216		165
217	bool	166	bool
218	bgPixmap_t::set_geometry (const char *geom)	167	rxvt_term::bg_set_geometry (const char *geom, bool update)
219	{	168	{
		169	bool changed = false;
220	int geom_flags = 0, changed = 0;	170	int geom_flags = 0;
221	int x = 0, y = 0;	171	int x = h_align;
		172	int y = v_align;
222	unsigned int w = 0, h = 0;	173	unsigned int w = h_scale;
223	unsigned int n;	174	unsigned int h = v_scale;
224	unsigned long new_flags = (flags & (~geometryFlags));	175	unsigned long new_flags = 0;
225	char *p;
226	# define MAXLEN_GEOM 256 /* could be longer then regular geometry string */
227		176
228	if (geom == NULL)	177	if (geom == NULL)
229	return false;	178	return false;
230		179
231	char str[MAXLEN_GEOM];	180	if (geom[0])
232
233	while (isspace(*geom)) ++geom;
234	if ((p = strchr (geom, ';')) == NULL)
235	p = strchr (geom, '\0');
236
237	n = (p - geom);
238	if (n < MAXLEN_GEOM)
239	{	181	{
240	char *ops;	182	char **arr = rxvt_strsplit (':', geom);
241	new_flags |= geometrySet;
242		183
243	strncpy (str, geom, n);	184	for (int i = 0; arr[i]; i++)
244	str[n] = '\0';
245	if (str[0] == ':')
246	ops = &str[0];
247	else if (str[0] != 'x' && str[0] != 'X' && isalpha(str[0]))
248	ops = &str[0];
249	else
250	{
251	char *tmp;
252	ops = strchr (str, ':');
253	if (ops != NULL)
254	{
255	for (tmp = ops-1; tmp >= str && isspace(*tmp); --tmp);
256	*(++tmp) = '\0';
257	if (ops == tmp) ++ops;
258	}
259	}
260
261	if (ops > str || ops == NULL)
262	{
263	/* we have geometry string - let's handle it prior to applying ops */
264	geom_flags = XParseGeometry (str, &x, &y, &w, &h);
265
266	if ((geom_flags & XValue) && !(geom_flags & YValue))
267	{
268	y = x;
269	geom_flags |= YValue;
270	}
271
272	if (flags & geometrySet)
273	{/* new geometry is an adjustment to the old one ! */
274	if ((geom_flags & WidthValue) && (geom_flags & HeightValue))
275	{
276	if (w == 0 && h != 0)
277	{
278	w = h_scale;
279	h = (v_scale * h) / 100;
280	}
281	else if (h == 0 && w != 0)
282	{
283	w = (h_scale * w) / 100;
284	h = v_scale;
285	}
286	}
287	if (geom_flags & XValue)
288	{
289	if (str[0] != '=')
290	{
291	y += v_align;
292	x += h_align;
293	}
294	}
295	}
296	else /* setting up geometry from scratch */
297	{
298	if (!(geom_flags & XValue))
299	{/* use default geometry - centered */
300	x = y = defaultAlign;
301	}
302	else if (!(geom_flags & YValue))
303	y = x;
304
305	if ((geom_flags & (WidthValue|HeightValue)) == 0)
306	{/* use default geometry - scaled */
307	w = h = defaultScale;
308	}
309	else if (geom_flags & WidthValue)
310	{
311	if (!(geom_flags & HeightValue))
312	h = w;
313	}
314	else
315	w = h;
316	}
317	} /* done parsing geometry string */
318	else if (!(flags & geometrySet))
319	{ /* default geometry - scaled and centered */
320	x = y = defaultAlign;
321	w = h = defaultScale;
322	}
323		185	{
324	if (!(flags & geometrySet))	186	if (!strcasecmp (arr[i], "style=tiled"))
		187	{
		188	new_flags = BG_TILE;
		189	w = h = noScale;
		190	x = y = 0;
325	geom_flags |= WidthValue|HeightValue|XValue|YValue;	191	geom_flags = WidthValue|HeightValue|XValue|YValue;
326
327	if (ops)
328	{
329	while (*ops)
330	{	192	}
331	while (*ops == ':' || isspace(*ops)) ++ops;	193	else if (!strcasecmp (arr[i], "style=aspect-stretched"))
332	# define CHECK_GEOM_OPS(op_str) (strncasecmp (ops, (op_str), sizeof(op_str)-1) == 0)
333	if (CHECK_GEOM_OPS("tile"))
334	{	194	{
		195	new_flags = BG_KEEP_ASPECT;
		196	w = h = windowScale;
		197	x = y = centerAlign;
		198	geom_flags = WidthValue|HeightValue|XValue|YValue;
		199	}
		200	else if (!strcasecmp (arr[i], "style=stretched"))
		201	{
		202	new_flags = 0;
		203	w = h = windowScale;
		204	geom_flags = WidthValue|HeightValue;
		205	}
		206	else if (!strcasecmp (arr[i], "style=centered"))
		207	{
		208	new_flags = 0;
335	w = h = 0;	209	w = h = noScale;
		210	x = y = centerAlign;
		211	geom_flags = WidthValue|HeightValue|XValue|YValue;
		212	}
		213	else if (!strcasecmp (arr[i], "style=root-tiled"))
		214	{
		215	new_flags = BG_TILE|BG_ROOT_ALIGN;
		216	w = h = noScale;
		217	geom_flags = WidthValue|HeightValue;
		218	}
		219	else if (!strcasecmp (arr[i], "op=tile"))
		220	new_flags |= BG_TILE;
		221	else if (!strcasecmp (arr[i], "op=keep-aspect"))
		222	new_flags |= BG_KEEP_ASPECT;
		223	else if (!strcasecmp (arr[i], "op=root-align"))
		224	new_flags |= BG_ROOT_ALIGN;
		225
		226	// deprecated
		227	else if (!strcasecmp (arr[i], "tile"))
		228	{
		229	new_flags |= BG_TILE;
		230	w = h = noScale;
336	geom_flags |= WidthValue|HeightValue;	231	geom_flags |= WidthValue|HeightValue;
337	}	232	}
338	else if (CHECK_GEOM_OPS("propscale"))	233	else if (!strcasecmp (arr[i], "propscale"))
339	{	234	{
340	if (w == 0 && h == 0)	235	new_flags |= BG_KEEP_ASPECT;
341	{	236	w = h = windowScale;
342	w = 100;
343	geom_flags |= WidthValue;
344	}
345	new_flags |= propScale;
346	}
347	else if (CHECK_GEOM_OPS("hscale"))
348	{
349	if (w == 0)
350	w = 100;
351	h = 0;
352	geom_flags |= WidthValue|HeightValue;	237	geom_flags |= WidthValue|HeightValue;
353	}	238	}
354	else if (CHECK_GEOM_OPS("vscale"))	239	else if (!strcasecmp (arr[i], "hscale"))
355	{	240	{
356	if (h == 0)	241	new_flags |= BG_TILE;
357	h = 100;	242	w = windowScale;
358	w = 0;	243	h = noScale;
359	geom_flags |= WidthValue|HeightValue;	244	geom_flags |= WidthValue|HeightValue;
360	}	245	}
361	else if (CHECK_GEOM_OPS("scale"))	246	else if (!strcasecmp (arr[i], "vscale"))
362	{	247	{
363	if (h == 0)	248	new_flags |= BG_TILE;
364	h = 100;	249	h = windowScale;
365	if (w == 0)	250	w = noScale;
366	w = 100;
367	geom_flags |= WidthValue|HeightValue;	251	geom_flags |= WidthValue|HeightValue;
368	}	252	}
369	else if (CHECK_GEOM_OPS("auto"))	253	else if (!strcasecmp (arr[i], "scale"))
370	{	254	{
371	w = h = 100;	255	w = h = windowScale;
372	x = y = 50;	256	geom_flags |= WidthValue|HeightValue;
		257	}
		258	else if (!strcasecmp (arr[i], "auto"))
		259	{
		260	w = h = windowScale;
		261	x = y = centerAlign;
373	geom_flags |= WidthValue|HeightValue|XValue|YValue;	262	geom_flags |= WidthValue|HeightValue|XValue|YValue;
374	}	263	}
375	# undef CHECK_GEOM_OPS	264	else if (!strcasecmp (arr[i], "root"))
376	while (*ops != ':' && *ops != '\0') ++ops;	265	{
		266	new_flags |= BG_TILE|BG_ROOT_ALIGN;
		267	w = h = noScale;
		268	geom_flags |= WidthValue|HeightValue;
		269	}
		270
		271	else
		272	geom_flags |= XParseGeometry (arr[i], &x, &y, &w, &h);
377	} /* done parsing ops */	273	} /* done parsing ops */
378	}
379		274
380	if (check_set_scale_value (geom_flags, WidthValue, h_scale, w))	275	rxvt_free_strsplit (arr);
381	++changed;
382	if (check_set_scale_value (geom_flags, HeightValue, v_scale, h))
383	++changed;
384	if (check_set_align_value (geom_flags, XValue, h_align, x))
385	++changed;
386	if (check_set_align_value (geom_flags, YValue, v_align, y))
387	++changed;
388	}
389
390	if (new_flags != flags)
391	{	276	}
		277
		278	new_flags |= bg_flags & ~BG_GEOMETRY_FLAGS;
		279
		280	if (!update)
		281	{
		282	if (!(geom_flags & XValue))
		283	x = y = defaultAlign;
		284	else if (!(geom_flags & YValue))
		285	y = x;
		286
		287	if (!(geom_flags & (WidthValue|HeightValue)))
		288	w = h = defaultScale;
		289	else if (!(geom_flags & HeightValue))
		290	h = w;
		291	else if (!(geom_flags & WidthValue))
		292	w = h;
		293	}
		294
		295	min_it (w, 1000);
		296	min_it (h, 1000);
		297	clamp_it (x, -100, 200);
		298	clamp_it (y, -100, 200);
		299
		300	if (bg_flags != new_flags
		301	|| h_scale != w
		302	|| v_scale != h
		303	|| h_align != x
		304	|| v_align != y)
		305	{
392	flags = new_flags;	306	bg_flags = new_flags;
		307	h_scale = w;
		308	v_scale = h;
		309	h_align = x;
		310	v_align = y;
393	changed++;	311	changed = true;
394	}	312	}
395	//fprintf( stderr, "flags = %lX, scale = %ux%u, align=%+d%+d\n",	313
396	// flags, h_scale, v_scale, h_align, v_align);
397	return (changed > 0);	314	return changed;
		315	}
		316
		317	void
		318	rxvt_term::get_image_geometry (int image_width, int image_height, int &w, int &h, int &x, int &y)
		319	{
		320	int target_width = szHint.width;
		321	int target_height = szHint.height;
		322
		323	w = h_scale * target_width / 100;
		324	h = v_scale * target_height / 100;
		325
		326	if (bg_flags & BG_KEEP_ASPECT)
		327	{
		328	float scale = (float)w / image_width;
		329	min_it (scale, (float)h / image_height);
		330	w = image_width * scale + 0.5;
		331	h = image_height * scale + 0.5;
		332	}
		333
		334	if (!w) w = image_width;
		335	if (!h) h = image_height;
		336
		337	if (bg_flags & BG_ROOT_ALIGN)
		338	{
		339	x = -target_x;
		340	y = -target_y;
		341	}
		342	else
		343	{
		344	x = make_align_position (h_align, target_width, w);
		345	y = make_align_position (v_align, target_height, h);
		346	}
		347
		348	bg_flags &= ~BG_IS_SIZE_SENSITIVE;
		349	if (!(bg_flags & BG_TILE)
		350	|| h_scale || v_scale
		351	|| (!(bg_flags & BG_ROOT_ALIGN) && (h_align || v_align))
		352	|| w > target_width || h > target_height)
		353	bg_flags |= BG_IS_SIZE_SENSITIVE;
398	}	354	}
399		355
400	# ifdef HAVE_AFTERIMAGE	356	# ifdef HAVE_AFTERIMAGE
401	bool	357	bool
402	bgPixmap_t::render_asim (ASImage *background, ARGB32 background_tint)	358	rxvt_term::render_image (unsigned long tr_flags)
403	{	359	{
404	if (target == NULL)	360	init_asv ();
405	return false;
406		361
407	int target_width = (int)target->szHint.width;	362	ASImage *background = NULL;
408	int target_height = (int)target->szHint.height;	363	ARGB32 background_tint = TINT_LEAVE_SAME;
409	int new_pmap_width = target_width, new_pmap_height = target_height;	364
		365	# ifdef ENABLE_TRANSPARENCY
		366	if (tr_flags)
		367	background = pixmap2ximage (asv, bg_pixmap, 0, 0, bg_pmap_width, bg_pmap_height, AllPlanes, 100);
		368
		369	if (tr_flags & BG_NEEDS_TINT)
		370	{
		371	ShadingInfo as_shade;
		372	as_shade.shading = shade;
		373
		374	rgba c (rgba::MAX_CC,rgba::MAX_CC,rgba::MAX_CC);
		375	if (bg_flags & BG_TINT_SET)
		376	tint.get (c);
		377	as_shade.tintColor.red = c.r;
		378	as_shade.tintColor.green = c.g;
		379	as_shade.tintColor.blue = c.b;
		380
		381	background_tint = shading2tint32 (&as_shade);
		382	}
		383
		384	if ((tr_flags & BG_NEEDS_BLUR) && background != NULL)
		385	{
		386	ASImage *tmp = blur_asimage_gauss (asv, background, h_blurRadius, v_blurRadius, 0xFFFFFFFF,
		387	ASA_XImage,
		388	100, ASIMAGE_QUALITY_DEFAULT);
		389	if (tmp)
		390	{
		391	destroy_asimage (&background);
		392	background = tmp;
		393	}
		394	}
		395	# endif
		396
410	ASImage *result = NULL;	397	ASImage *result = 0;
		398
		399	int target_width = szHint.width;
		400	int target_height = szHint.height;
		401	int new_pmap_width = target_width;
		402	int new_pmap_height = target_height;
411		403
412	int x = 0;	404	int x = 0;
413	int y = 0;	405	int y = 0;
414	int w = h_scale * target_width / 100;	406	int w = 0;
415	int h = v_scale * target_height / 100;	407	int h = 0;
416
417	TIMING_TEST_START (asim);
418		408
419	if (original_asim)	409	if (original_asim)
420	{	410	get_image_geometry (original_asim->width, original_asim->height, w, h, x, y);
421	x = make_align_position (h_align, target_width, w > 0 ? w : (int)original_asim->width);
422	y = make_align_position (v_align, target_height, h > 0 ? h : (int)original_asim->height);
423	}
424		411
425	if (original_asim == NULL	412	if (!original_asim
		413	|| (!(bg_flags & BG_ROOT_ALIGN)
426	|| x >= target_width	414	&& (x >= target_width
427	|| y >= target_height	415	|| y >= target_height
428	|| (w > 0 && x + w <= 0)	416	|| x + w <= 0
429	|| (h > 0 && y + h <= 0))	417	|| y + h <= 0)))
430	{	418	{
431	if (background)	419	if (background)
432	{	420	{
433	new_pmap_width = background->width;	421	new_pmap_width = background->width;
434	new_pmap_height = background->height;	422	new_pmap_height = background->height;
435	result = background;	423	result = background;
		424
436	if (background_tint != TINT_LEAVE_SAME)	425	if (background_tint != TINT_LEAVE_SAME)
437	{	426	{
438	ASImage* tmp = tile_asimage (target->asv, background, 0, 0,	427	ASImage *tmp = tile_asimage (asv, background, 0, 0,
439	target_width, target_height, background_tint,	428	target_width, target_height, background_tint,
440	ASA_XImage, 100, ASIMAGE_QUALITY_DEFAULT);	429	ASA_XImage, 100, ASIMAGE_QUALITY_DEFAULT);
441	if (tmp)	430	if (tmp)
442	result = tmp;	431	result = tmp;
443	}	432	}
…		…
446	new_pmap_width = new_pmap_height = 0;	435	new_pmap_width = new_pmap_height = 0;
447	}	436	}
448	else	437	else
449	{	438	{
450	result = original_asim;	439	result = original_asim;
		440
451	if ((w > 0 && w != original_asim->width)	441	if (w != original_asim->width
452	|| (h > 0 && h != original_asim->height))	442	|| h != original_asim->height)
453	{	443	{
454	result = scale_asimage (target->asv, original_asim,	444	result = scale_asimage (asv, original_asim,
455	w > 0 ? w : original_asim->width,	445	w, h,
456	h > 0 ? h : original_asim->height,
457	background ? ASA_ASImage : ASA_XImage,	446	ASA_XImage,
458	100, ASIMAGE_QUALITY_DEFAULT);	447	100, ASIMAGE_QUALITY_DEFAULT);
459	}	448	}
		449
460	if (background == NULL)	450	if (background == NULL)
		451	{
		452	if (bg_flags & BG_TILE)
		453	{
461	{/* if tiling - pixmap has to be sized exactly as the image */	454	/* if tiling - pixmap has to be sized exactly as the image,
462	if (h_scale == 0)	455	but there is no need to make it bigger than the window! */
463	new_pmap_width = result->width;	456	new_pmap_width = min (result->width, target_width);
464	if (v_scale == 0)
465	new_pmap_height = result->height;	457	new_pmap_height = min (result->height, target_height);
		458
466	/* we also need to tile our image in one or both directions */	459	/* we also need to tile our image in both directions */
467	if (h_scale == 0 || v_scale == 0)
468	{
469	ASImage *tmp = tile_asimage (target->asv, result,	460	ASImage *tmp = tile_asimage (asv, result,
470	(h_scale > 0) ? 0 : (int)result->width - x,	461	(int)result->width - x,
471	(v_scale > 0) ? 0 : (int)result->height - y,	462	(int)result->height - y,
		463	new_pmap_width,
472	result->width, result->height,	464	new_pmap_height,
473	TINT_LEAVE_SAME, ASA_XImage,	465	TINT_LEAVE_SAME, ASA_XImage,
474	100, ASIMAGE_QUALITY_DEFAULT);	466	100, ASIMAGE_QUALITY_DEFAULT);
475	if (tmp)	467	if (tmp)
476	{	468	{
477	if (result != original_asim)	469	if (result != original_asim)
478	destroy_asimage (&result);	470	destroy_asimage (&result);
		471
479	result = tmp;	472	result = tmp;
480	}	473	}
481	}	474	}
482	}	475	}
483	else	476	else
		477	{
484	{/* if blending background and image - pixmap has to be sized same as target window */	478	/* if blending background and image - pixmap has to be sized same as target window */
485	ASImageLayer *layers = create_image_layers (2);	479	ASImageLayer *layers = create_image_layers (2);
486	ASImage *merged_im = NULL;
487		480
488	layers[0].im = background;	481	layers[0].im = background;
489	layers[0].clip_width = target_width;	482	layers[0].clip_width = target_width;
490	layers[0].clip_height = target_height;	483	layers[0].clip_height = target_height;
491	layers[0].tint = background_tint;	484	layers[0].tint = background_tint;
492	layers[1].im = result;	485	layers[1].im = result;
493	if (w <= 0)	486
		487	if (bg_flags & BG_TILE)
		488	{
494	{/* tile horizontally */	489	/* tile horizontally */
495	while (x > 0) x -= (int)result->width;	490	while (x > 0) x -= (int)result->width;
496	layers[1].dst_x = x;	491	layers[1].dst_x = x;
497	layers[1].clip_width = result->width+target_width;	492	layers[1].clip_width = result->width+target_width;
498	}	493	}
499	else	494	else
		495	{
500	{/* clip horizontally */	496	/* clip horizontally */
501	layers[1].dst_x = x;	497	layers[1].dst_x = x;
502	layers[1].clip_width = result->width;	498	layers[1].clip_width = result->width;
503	}	499	}
504	if (h <= 0)	500
		501	if (bg_flags & BG_TILE)
505	{	502	{
506	while (y > 0) y -= (int)result->height;	503	while (y > 0) y -= (int)result->height;
507	layers[1].dst_y = y;	504	layers[1].dst_y = y;
508	layers[1].clip_height = result->height + target_height;	505	layers[1].clip_height = result->height + target_height;
509	}	506	}
510	else	507	else
511	{	508	{
512	layers[1].dst_y = y;	509	layers[1].dst_y = y;
513	layers[1].clip_height = result->height;	510	layers[1].clip_height = result->height;
514	}	511	}
		512
515	if (target->rs[Rs_blendtype])	513	if (rs[Rs_blendtype])
516	{	514	{
517	layers[1].merge_scanlines = blend_scanlines_name2func (target->rs[Rs_blendtype]);	515	layers[1].merge_scanlines = blend_scanlines_name2func (rs[Rs_blendtype]);
518	if (layers[1].merge_scanlines == NULL)	516	if (layers[1].merge_scanlines == NULL)
519	layers[1].merge_scanlines = alphablend_scanlines;	517	layers[1].merge_scanlines = alphablend_scanlines;
520	}	518	}
		519
521	ASImage *tmp = merge_layers (target->asv, layers, 2, target_width, target_height,	520	ASImage *tmp = merge_layers (asv, layers, 2, target_width, target_height,
522	ASA_XImage, 0, ASIMAGE_QUALITY_DEFAULT);	521	ASA_XImage, 0, ASIMAGE_QUALITY_DEFAULT);
		522
523	if (tmp)	523	if (tmp)
524	{	524	{
525	if (result != original_asim)	525	if (result != original_asim)
526	destroy_asimage (&result);	526	destroy_asimage (&result);
		527
527	result = tmp;	528	result = tmp;
528	}	529	}
		530
529	free (layers);	531	free (layers);
530	}	532	}
531	}	533	}
532	TIMING_TEST_PRINT_RESULT (asim);
533		534
534	if (pixmap)	535	bool ret = false;
535	{
536	if (result == NULL
537	|| pmap_width != new_pmap_width
538	|| pmap_height != new_pmap_height
539	|| pmap_depth != target->depth)
540	{
541	XFreePixmap (target->dpy, pixmap);
542	pixmap = None;
543	}
544	}
545		536
546	if (result)	537	if (result)
547	{	538	{
548	XGCValues gcv;	539	XGCValues gcv;
549	GC gc;	540	GC gc;
550		541
551	/* create Pixmap */	542	/* create Pixmap */
552	if (pixmap == None)	543	if (bg_pixmap == None
		544	|| bg_pmap_width != new_pmap_width
		545	|| bg_pmap_height != new_pmap_height)
553	{	546	{
		547	if (bg_pixmap)
		548	XFreePixmap (dpy, bg_pixmap);
554	pixmap = XCreatePixmap (target->dpy, target->vt, new_pmap_width, new_pmap_height, target->depth);	549	bg_pixmap = XCreatePixmap (dpy, vt, new_pmap_width, new_pmap_height, depth);
555	pmap_width = new_pmap_width;	550	bg_pmap_width = new_pmap_width;
556	pmap_height = new_pmap_height;	551	bg_pmap_height = new_pmap_height;
557	pmap_depth = target->depth;
558	}	552	}
559	/* fill with background color ( if result's not completely overlapping it)*/	553	/* fill with background color (if result's not completely overlapping it) */
560	gcv.foreground = target->pix_colors[Color_bg];	554	gcv.foreground = pix_colors[Color_bg];
561	gc = XCreateGC (target->dpy, target->vt, GCForeground, &gcv);	555	gc = XCreateGC (dpy, vt, GCForeground, &gcv);
562		556
563	int src_x = 0, src_y = 0, dst_x = 0, dst_y = 0;	557	int src_x = 0, src_y = 0, dst_x = 0, dst_y = 0;
564	int dst_width = result->width, dst_height = result->height;	558	int dst_width = result->width, dst_height = result->height;
565	if (background == NULL)	559	if (background == NULL)
566	{	560	{
567	if (h_scale > 0)	561	if (!(bg_flags & BG_TILE))
		562	{
568	src_x = make_clip_rectangle (x, result->width, new_pmap_width, dst_x, dst_width);	563	src_x = make_clip_rectangle (x, result->width , new_pmap_width , dst_x, dst_width );
569	if (v_scale > 0)
570	src_y = make_clip_rectangle (y, result->height, new_pmap_height, dst_y, dst_height);	564	src_y = make_clip_rectangle (y, result->height, new_pmap_height, dst_y, dst_height);
		565	}
571		566
572	if (dst_x > 0 || dst_y > 0	567	if (dst_x > 0 || dst_y > 0
573	|| dst_x + dst_width < new_pmap_width	568	|| dst_x + dst_width < new_pmap_width
574	|| dst_y + dst_height < new_pmap_height)	569	|| dst_y + dst_height < new_pmap_height)
575	{
576	XFillRectangle (target->dpy, pixmap, gc, 0, 0, new_pmap_width, new_pmap_height);	570	XFillRectangle (dpy, bg_pixmap, gc, 0, 0, new_pmap_width, new_pmap_height);
577	}
578	}	571	}
579		572
580	/* put result on pixmap */	573	/* put result on pixmap */
581	if (dst_x < new_pmap_width && dst_y < new_pmap_height)	574	if (dst_x < new_pmap_width && dst_y < new_pmap_height)
582	asimage2drawable (target->asv, pixmap, result, gc, src_x, src_y, dst_x, dst_y, dst_width, dst_height, True);	575	asimage2drawable (asv, bg_pixmap, result, gc, src_x, src_y, dst_x, dst_y, dst_width, dst_height, True);
583		576
584	if (result != background && result != original_asim)	577	if (result != background && result != original_asim)
585	destroy_asimage (&result);	578	destroy_asimage (&result);
586		579
587	XFreeGC (target->dpy, gc);	580	XFreeGC (dpy, gc);
588	TIMING_TEST_PRINT_RESULT (asim);	581
		582	ret = true;
		583	}
		584
		585	if (background)
		586	destroy_asimage (&background);
		587
		588	return ret;
		589	}
		590	# endif /* HAVE_AFTERIMAGE */
		591
		592	# ifdef HAVE_PIXBUF
		593	bool
		594	rxvt_term::pixbuf_to_pixmap (GdkPixbuf *pixbuf, Pixmap pixmap, GC gc,
		595	int src_x, int src_y, int dst_x, int dst_y,
		596	unsigned int width, unsigned int height)
		597	{
		598	XImage *ximage;
		599	char *data, *line;
		600	int bytes_per_pixel;
		601	int width_r, width_g, width_b;
		602	int sh_r, sh_g, sh_b;
		603	int rowstride;
		604	int channels;
		605	unsigned char *row;
		606
		607	if (visual->c_class != TrueColor)
		608	return false;
		609
		610	if (depth == 24 || depth == 32)
		611	bytes_per_pixel = 4;
		612	else if (depth == 15 || depth == 16)
		613	bytes_per_pixel = 2;
		614	else
		615	return false;
		616
		617	width_r = ecb_popcount32 (visual->red_mask);
		618	width_g = ecb_popcount32 (visual->green_mask);
		619	width_b = ecb_popcount32 (visual->blue_mask);
		620
		621	if (width_r > 8 || width_g > 8 || width_b > 8)
		622	return false;
		623
		624	sh_r = ecb_ctz32 (visual->red_mask);
		625	sh_g = ecb_ctz32 (visual->green_mask);
		626	sh_b = ecb_ctz32 (visual->blue_mask);
		627
		628	if (width > INT_MAX / height / bytes_per_pixel)
		629	return false;
		630
		631	data = (char *)malloc (width * height * bytes_per_pixel);
		632	if (!data)
		633	return false;
		634
		635	ximage = XCreateImage (dpy, visual, depth, ZPixmap, 0, data,
		636	width, height, bytes_per_pixel * 8, 0);
		637	if (!ximage)
589	}	638	{
		639	free (data);
		640	return false;
		641	}
590		642
		643	ximage->byte_order = ecb_big_endian () ? MSBFirst : LSBFirst;
		644
		645	rowstride = gdk_pixbuf_get_rowstride (pixbuf);
		646	channels = gdk_pixbuf_get_n_channels (pixbuf);
		647	row = gdk_pixbuf_get_pixels (pixbuf) + src_y * rowstride + src_x * channels;
		648	line = data;
		649
		650	for (int y = 0; y < height; y++)
		651	{
		652	for (int x = 0; x < width; x++)
		653	{
		654	unsigned char *pixel = row + x * channels;
		655	uint32_t value;
		656
		657	value = ((pixel[0] >> (8 - width_r)) << sh_r)
		658	| ((pixel[1] >> (8 - width_g)) << sh_g)
		659	| ((pixel[2] >> (8 - width_b)) << sh_b);
		660
		661	if (bytes_per_pixel == 4)
		662	((uint32_t *)line)[x] = value;
		663	else
		664	((uint16_t *)line)[x] = value;
		665	}
		666
		667	row += rowstride;
		668	line += ximage->bytes_per_line;
		669	}
		670
		671	XPutImage (dpy, pixmap, gc, ximage, 0, 0, dst_x, dst_y, width, height);
		672	XDestroyImage (ximage);
591	return true;	673	return true;
592	}	674	}
593	# endif /* HAVE_AFTERIMAGE */
594		675
595	bool	676	bool
596	bgPixmap_t::set_file (const char *file)	677	rxvt_term::render_image (unsigned long tr_flags)
597	{	678	{
598	char *f;	679	if (!pixbuf)
		680	return false;
599		681
600	assert (file != NULL);	682	if (tr_flags
		683	&& !(bg_flags & BG_HAS_RENDER))
		684	return false;
601		685
602	if (*file != '\0')	686	GdkPixbuf *result;
		687
		688	int image_width = gdk_pixbuf_get_width (pixbuf);
		689	int image_height = gdk_pixbuf_get_height (pixbuf);
		690
		691	int target_width = szHint.width;
		692	int target_height = szHint.height;
		693	int new_pmap_width = target_width;
		694	int new_pmap_height = target_height;
		695
		696	int x = 0;
		697	int y = 0;
		698	int w = 0;
		699	int h = 0;
		700
		701	get_image_geometry (image_width, image_height, w, h, x, y);
		702
		703	if (!(bg_flags & BG_ROOT_ALIGN)
		704	&& (x >= target_width
		705	|| y >= target_height
		706	|| x + w <= 0
		707	|| y + h <= 0))
		708	return false;
		709
		710	result = pixbuf;
		711
		712	if (w != image_width
		713	|| h != image_height)
		714	{
		715	result = gdk_pixbuf_scale_simple (pixbuf,
		716	w, h,
		717	GDK_INTERP_BILINEAR);
603	{	718	}
		719
		720	if (!result)
		721	return false;
		722
		723	bool ret = false;
		724
		725	XGCValues gcv;
		726	GC gc;
		727	Pixmap root_pmap;
		728
		729	image_width = gdk_pixbuf_get_width (result);
		730	image_height = gdk_pixbuf_get_height (result);
		731
		732	if (tr_flags)
		733	{
		734	root_pmap = bg_pixmap;
		735	bg_pixmap = None;
		736	}
		737	else
		738	{
		739	if (bg_flags & BG_TILE)
		740	{
		741	new_pmap_width = min (image_width, target_width);
		742	new_pmap_height = min (image_height, target_height);
		743	}
		744	}
		745
		746	if (bg_pixmap == None
		747	|| bg_pmap_width != new_pmap_width
		748	|| bg_pmap_height != new_pmap_height)
		749	{
		750	if (bg_pixmap)
		751	XFreePixmap (dpy, bg_pixmap);
		752	bg_pixmap = XCreatePixmap (dpy, vt, new_pmap_width, new_pmap_height, depth);
		753	bg_pmap_width = new_pmap_width;
		754	bg_pmap_height = new_pmap_height;
		755	}
		756
		757	gcv.foreground = pix_colors[Color_bg];
		758	gc = XCreateGC (dpy, vt, GCForeground, &gcv);
		759
		760	if (gc)
		761	{
		762	if (bg_flags & BG_TILE)
		763	{
		764	Pixmap tile = XCreatePixmap (dpy, vt, image_width, image_height, depth);
		765	pixbuf_to_pixmap (result, tile, gc,
		766	0, 0,
		767	0, 0,
		768	image_width, image_height);
		769
		770	gcv.tile = tile;
		771	gcv.fill_style = FillTiled;
		772	gcv.ts_x_origin = x;
		773	gcv.ts_y_origin = y;
		774	XChangeGC (dpy, gc, GCFillStyle | GCTile | GCTileStipXOrigin | GCTileStipYOrigin, &gcv);
		775
		776	XFillRectangle (dpy, bg_pixmap, gc, 0, 0, new_pmap_width, new_pmap_height);
		777	XFreePixmap (dpy, tile);
		778	}
		779	else
		780	{
		781	int src_x, src_y, dst_x, dst_y;
		782	int dst_width, dst_height;
		783
		784	src_x = make_clip_rectangle (x, image_width , new_pmap_width , dst_x, dst_width );
		785	src_y = make_clip_rectangle (y, image_height, new_pmap_height, dst_y, dst_height);
		786
		787	if (dst_x > 0 || dst_y > 0
		788	|| dst_x + dst_width < new_pmap_width
		789	|| dst_y + dst_height < new_pmap_height)
		790	XFillRectangle (dpy, bg_pixmap, gc, 0, 0, new_pmap_width, new_pmap_height);
		791
		792	if (dst_x < new_pmap_width && dst_y < new_pmap_height)
		793	pixbuf_to_pixmap (result, bg_pixmap, gc,
		794	src_x, src_y,
		795	dst_x, dst_y,
		796	dst_width, dst_height);
		797	}
		798
		799	#if XRENDER
		800	if (tr_flags)
		801	{
		802	XRenderPictFormat *format = XRenderFindVisualFormat (dpy, visual);
		803
		804	Picture src = XRenderCreatePicture (dpy, root_pmap, format, 0, 0);
		805
		806	Picture dst = XRenderCreatePicture (dpy, bg_pixmap, format, 0, 0);
		807
		808	Picture mask = create_xrender_mask (dpy, vt, False, False);
		809
		810	XRenderColor mask_c;
		811
		812	mask_c.alpha = 0x8000;
		813	mask_c.red =
		814	mask_c.green =
		815	mask_c.blue = 0;
		816	XRenderFillRectangle (dpy, PictOpSrc, mask, &mask_c, 0, 0, 1, 1);
		817
		818	XRenderComposite (dpy, PictOpOver, src, mask, dst, 0, 0, 0, 0, 0, 0, target_width, target_height);
		819
		820	XRenderFreePicture (dpy, src);
		821	XRenderFreePicture (dpy, dst);
		822	XRenderFreePicture (dpy, mask);
		823	}
		824	#endif
		825
		826	XFreeGC (dpy, gc);
		827
		828	ret = true;
		829	}
		830
		831	if (result != pixbuf)
		832	g_object_unref (result);
		833
		834	if (tr_flags)
		835	XFreePixmap (dpy, root_pmap);
		836
		837	return ret;
		838	}
		839	# endif /* HAVE_PIXBUF */
		840
		841	bool
		842	rxvt_term::bg_set_file (const char *file)
		843	{
		844	if (!file || !*file)
		845	return false;
		846
		847	bool ret = false;
		848	const char *p = strchr (file, ';');
		849
		850	if (p)
		851	{
		852	size_t len = p - file;
		853	char *f = rxvt_temp_buf<char> (len + 1);
		854	memcpy (f, file, len);
		855	f[len] = '\0';
		856	file = f;
		857	}
		858
604	# ifdef HAVE_AFTERIMAGE	859	# ifdef HAVE_AFTERIMAGE
605	if (target->asimman == NULL)	860	if (!asimman)
606	target->asimman = create_generic_imageman (target->rs[Rs_path]);	861	asimman = create_generic_imageman (rs[Rs_path]);
607	if ((f = strchr (file, ';')) == NULL)
608	original_asim = get_asimage (target->asimman, file, 0xFFFFFFFF, 100);	862	ASImage *image = get_asimage (asimman, file, 0xFFFFFFFF, 100);
		863	if (image)
		864	{
		865	if (original_asim)
		866	safe_asimage_destroy (original_asim);
		867	original_asim = image;
		868	bg_flags |= BG_IS_FROM_FILE | BG_CLIENT_RENDER;
		869	ret = true;
		870	}
		871	# endif
		872
		873	# ifdef HAVE_PIXBUF
		874	GdkPixbuf *image = gdk_pixbuf_new_from_file (file, NULL);
		875	if (image)
		876	{
		877	if (pixbuf)
		878	g_object_unref (pixbuf);
		879	pixbuf = image;
		880	bg_flags |= BG_IS_FROM_FILE;
		881	ret = true;
		882	}
		883	# endif
		884
		885	if (ret)
		886	{
		887	if (p)
		888	bg_set_geometry (p + 1);
609	else	889	else
610	{	890	bg_set_default_geometry ();
611	size_t len = f - file;	891	}
612	f = (char *)malloc (len + 1);	892
613	strncpy (f, file, len);	893	return ret;
614	f[len] = '\0';	894	}
615	original_asim = get_asimage (target->asimman, f, 0xFFFFFFFF, 100);	895
616	free (f);	896	# endif /* BG_IMAGE_FROM_FILE */
617	}	897
618	return (original_asim != NULL);	898	# ifdef ENABLE_TRANSPARENCY
619	# endif	899	bool
		900	rxvt_term::bg_set_transparent ()
		901	{
		902	if (!(bg_flags & BG_IS_TRANSPARENT))
620	}	903	{
		904	bg_flags |= BG_IS_TRANSPARENT;
		905	return true;
		906	}
		907
621	return false;	908	return false;
622	}	909	}
623		910
624	# endif /* BG_IMAGE_FROM_FILE */
625
626	# ifdef ENABLE_TRANSPARENCY
627	bool
628	bgPixmap_t::set_transparent ()
629	{
630	if (!(flags & isTransparent))
631	{
632	flags |= isTransparent;
633	return true;
634	}
635	return false;
636	}
637
638	bool	911	bool
639	bgPixmap_t::set_blur_radius (const char *geom)	912	rxvt_term::bg_set_blur (const char *geom)
640	{	913	{
641	int changed = 0;	914	bool changed = false;
642	unsigned int hr, vr;	915	unsigned int hr, vr;
643	int junk;	916	int junk;
644	int geom_flags = XParseGeometry (geom, &junk, &junk, &hr, &vr);	917	int geom_flags = XParseGeometry (geom, &junk, &junk, &hr, &vr);
645		918
646	if (!(geom_flags&WidthValue))	919	if (!(geom_flags & WidthValue))
647	hr = 1;	920	hr = 1;
648	if (!(geom_flags&HeightValue))	921	if (!(geom_flags & HeightValue))
649	vr = hr;	922	vr = hr;
650		923
		924	min_it (hr, 128);
		925	min_it (vr, 128);
		926
651	if (h_blurRadius != hr)	927	if (h_blurRadius != hr)
652	{	928	{
653	++changed;	929	changed = true;
654	h_blurRadius = hr;	930	h_blurRadius = hr;
655	}	931	}
656		932
657	if (v_blurRadius != vr)	933	if (v_blurRadius != vr)
658	{	934	{
659	++changed;	935	changed = true;
660	v_blurRadius = vr;	936	v_blurRadius = vr;
661	}	937	}
662		938
663	if (v_blurRadius == 0 && h_blurRadius == 0)	939	if (h_blurRadius == 0 || v_blurRadius == 0)
664	flags &= ~blurNeeded;	940	bg_flags &= ~BG_NEEDS_BLUR;
665	else	941	else
666	flags |= blurNeeded;	942	bg_flags |= BG_NEEDS_BLUR;
667		943
668	return (changed>0);	944	return changed;
669	}	945	}
670		946
671	static inline unsigned long	947	void
672	compute_tint_shade_flags (rxvt_color *tint, int shade)	948	rxvt_term::set_tint_shade_flags ()
673	{	949	{
674	unsigned long flags = 0;	950	rgba c;
		951	bool has_shade = shade != 100;
		952
		953	bg_flags &= ~BG_TINT_FLAGS;
		954
		955	if (bg_flags & BG_TINT_SET)
		956	{
		957	tint.get (c);
		958	if (!has_shade
		959	&& (c.r <= 0x00ff || c.r >= 0xff00)
		960	&& (c.g <= 0x00ff || c.g >= 0xff00)
		961	&& (c.b <= 0x00ff || c.b >= 0xff00))
		962	bg_flags |= BG_TINT_BITAND;
		963	}
		964
		965	if (has_shade || (bg_flags & BG_TINT_SET))
		966	bg_flags |= BG_NEEDS_TINT;
		967	}
		968
		969	bool
		970	rxvt_term::bg_set_tint (rxvt_color &new_tint)
		971	{
		972	if (!(bg_flags & BG_TINT_SET) || tint != new_tint)
		973	{
		974	tint = new_tint;
		975	bg_flags |= BG_TINT_SET;
		976	set_tint_shade_flags ();
		977	return true;
		978	}
		979
		980	return false;
		981	}
		982
		983	bool
		984	rxvt_term::bg_set_shade (const char *shade_str)
		985	{
		986	int new_shade = atoi (shade_str);
		987
		988	clamp_it (new_shade, -100, 200);
		989	if (new_shade < 0)
		990	new_shade = 200 - (100 + new_shade);
		991
		992	if (new_shade != shade)
		993	{
		994	shade = new_shade;
		995	set_tint_shade_flags ();
		996	return true;
		997	}
		998
		999	return false;
		1000	}
		1001
		1002	#if XRENDER
		1003	static void
		1004	get_gaussian_kernel (int radius, int width, double *kernel, XFixed *params)
		1005	{
		1006	double sigma = radius / 2.0;
		1007	double scale = sqrt (2.0 * M_PI) * sigma;
		1008	double sum = 0.0;
		1009
		1010	for (int i = 0; i < width; i++)
		1011	{
		1012	double x = i - width / 2;
		1013	kernel[i] = exp (-(x * x) / (2.0 * sigma * sigma)) / scale;
		1014	sum += kernel[i];
		1015	}
		1016
		1017	params[0] = XDoubleToFixed (width);
		1018	params[1] = XDoubleToFixed (1);
		1019
		1020	for (int i = 0; i < width; i++)
		1021	params[i+2] = XDoubleToFixed (kernel[i] / sum);
		1022	}
		1023	#endif
		1024
		1025	bool
		1026	rxvt_term::blur_pixmap (Pixmap pixmap, Visual *visual, int width, int height, int depth)
		1027	{
		1028	bool ret = false;
		1029	#if XRENDER
		1030	if (!(bg_flags & BG_HAS_RENDER_CONV))
		1031	return false;
		1032
		1033	int size = max (h_blurRadius, v_blurRadius) * 2 + 1;
		1034	double *kernel = (double *)malloc (size * sizeof (double));
		1035	XFixed *params = (XFixed *)malloc ((size + 2) * sizeof (XFixed));
		1036
		1037	XRenderPictureAttributes pa;
		1038	XRenderPictFormat *format = XRenderFindVisualFormat (dpy, visual);
		1039
		1040	pa.repeat = RepeatPad;
		1041	Picture src = XRenderCreatePicture (dpy, pixmap, format, CPRepeat, &pa);
		1042	Pixmap tmp = XCreatePixmap (dpy, pixmap, width, height, depth);
		1043	Picture dst = XRenderCreatePicture (dpy, tmp, format, CPRepeat, &pa);
		1044	XFreePixmap (dpy, tmp);
		1045
		1046	if (kernel && params)
		1047	{
		1048	size = h_blurRadius * 2 + 1;
		1049	get_gaussian_kernel (h_blurRadius, size, kernel, params);
		1050
		1051	XRenderSetPictureFilter (dpy, src, FilterConvolution, params, size+2);
		1052	XRenderComposite (dpy,
		1053	PictOpSrc,
		1054	src,
		1055	None,
		1056	dst,
		1057	0, 0,
		1058	0, 0,
		1059	0, 0,
		1060	width, height);
		1061
		1062	::swap (src, dst);
		1063
		1064	size = v_blurRadius * 2 + 1;
		1065	get_gaussian_kernel (v_blurRadius, size, kernel, params);
		1066	::swap (params[0], params[1]);
		1067
		1068	XRenderSetPictureFilter (dpy, src, FilterConvolution, params, size+2);
		1069	XRenderComposite (dpy,
		1070	PictOpSrc,
		1071	src,
		1072	None,
		1073	dst,
		1074	0, 0,
		1075	0, 0,
		1076	0, 0,
		1077	width, height);
		1078
		1079	ret = true;
		1080	}
		1081
		1082	free (kernel);
		1083	free (params);
		1084	XRenderFreePicture (dpy, src);
		1085	XRenderFreePicture (dpy, dst);
		1086	#endif
		1087	return ret;
		1088	}
		1089
		1090	bool
		1091	rxvt_term::tint_pixmap (Pixmap pixmap, Visual *visual, int width, int height)
		1092	{
		1093	bool ret = false;
		1094
		1095	if (bg_flags & BG_TINT_BITAND)
		1096	{
		1097	XGCValues gcv;
		1098	GC gc;
		1099
		1100	/* In this case we can tint image server-side getting significant
		1101	* performance improvements, as we eliminate XImage transfer
		1102	*/
		1103	gcv.foreground = Pixel (tint);
		1104	gcv.function = GXand;
		1105	gcv.fill_style = FillSolid;
		1106	gc = XCreateGC (dpy, pixmap, GCFillStyle | GCForeground | GCFunction, &gcv);
		1107	if (gc)
		1108	{
		1109	XFillRectangle (dpy, pixmap, gc, 0, 0, width, height);
		1110	ret = true;
		1111	XFreeGC (dpy, gc);
		1112	}
		1113	}
		1114	# if XRENDER
		1115	else if (bg_flags & BG_HAS_RENDER)
		1116	{
675	rgba c (rgba::MAX_CC,rgba::MAX_CC,rgba::MAX_CC);	1117	rgba c (rgba::MAX_CC, rgba::MAX_CC, rgba::MAX_CC);
676	bool has_shade = (shade > 0 && shade < 100) || (shade > 100 && shade < 200);
677		1118
678	if (tint)	1119	if (bg_flags & BG_TINT_SET)
679	{
680	tint->get (c);	1120	tint.get (c);
681	# define IS_COMPONENT_WHOLESOME(cmp) ((cmp) <= 0x000700 || (cmp) >= 0x00f700)
682	if (!has_shade && IS_COMPONENT_WHOLESOME (c.r)
683	&& IS_COMPONENT_WHOLESOME (c.g)
684	&& IS_COMPONENT_WHOLESOME (c.b))
685	flags |= bgPixmap_t::tintWholesome;
686	# undef IS_COMPONENT_WHOLESOME
687	}
688		1121
689	if (has_shade)	1122	if (shade <= 100)
690	flags |= bgPixmap_t::tintNeeded;
691	else if (tint)
692	{
693	if ((c.r > 0x000700 || c.g > 0x000700 || c.b > 0x000700)
694	&& (c.r < 0x00f700 || c.g < 0x00f700 || c.b < 0x00f700))
695	{	1123	{
696	flags |= bgPixmap_t::tintNeeded;	1124	c.r = c.r * shade / 100;
		1125	c.g = c.g * shade / 100;
		1126	c.b = c.b * shade / 100;
697	}	1127	}
698	}
699
700	if (flags & bgPixmap_t::tintNeeded)
701	{
702	if (flags & bgPixmap_t::tintWholesome)
703	flags |= bgPixmap_t::tintServerSide;
704	else	1128	else
705	{	1129	{
706	#if XFT	1130	c.r = c.r * (200 - shade) / 100;
707	flags |= bgPixmap_t::tintServerSide;	1131	c.g = c.g * (200 - shade) / 100;
708	#endif	1132	c.b = c.b * (200 - shade) / 100;
		1133	}
		1134
		1135	XRenderPictFormat *format = XRenderFindVisualFormat (dpy, visual);
		1136
		1137	Picture back_pic = XRenderCreatePicture (dpy, pixmap, format, 0, 0);
		1138
		1139	Picture overlay_pic = create_xrender_mask (dpy, pixmap, True, False);
		1140
		1141	Picture mask_pic = create_xrender_mask (dpy, pixmap, True, True);
		1142
		1143	XRenderColor mask_c;
		1144
		1145	mask_c.alpha = 0xffff;
		1146	mask_c.red =
		1147	mask_c.green =
		1148	mask_c.blue = 0;
		1149	XRenderFillRectangle (dpy, PictOpSrc, overlay_pic, &mask_c, 0, 0, 1, 1);
		1150
		1151	mask_c.alpha = 0;
		1152	mask_c.red = 0xffff - c.r;
		1153	mask_c.green = 0xffff - c.g;
		1154	mask_c.blue = 0xffff - c.b;
		1155	XRenderFillRectangle (dpy, PictOpSrc, mask_pic, &mask_c, 0, 0, 1, 1);
		1156
		1157	XRenderComposite (dpy, PictOpOver, overlay_pic, mask_pic, back_pic, 0, 0, 0, 0, 0, 0, width, height);
		1158
		1159	if (shade > 100)
709	}	1160	{
710	}	1161	mask_c.alpha = 0;
		1162	mask_c.red =
		1163	mask_c.green =
		1164	mask_c.blue = 0xffff * (shade - 100) / 100;
		1165	XRenderFillRectangle (dpy, PictOpSrc, overlay_pic, &mask_c, 0, 0, 1, 1);
711		1166
712	return flags;	1167	XRenderComposite (dpy, PictOpOver, overlay_pic, None, back_pic, 0, 0, 0, 0, 0, 0, width, height);
713	}	1168	}
714		1169
715	bool
716	bgPixmap_t::set_tint (rxvt_color &new_tint)
717	{
718	if (tint != new_tint)
719	{
720	unsigned long new_flags = compute_tint_shade_flags (&new_tint, shade);
721	tint = new_tint;
722	flags = (flags & ~tintFlags) | new_flags | tintSet;
723	return true;	1170	ret = true;
724	}
725	return false;
726	}
727		1171
728	bool	1172	XRenderFreePicture (dpy, mask_pic);
729	bgPixmap_t::unset_tint ()	1173	XRenderFreePicture (dpy, overlay_pic);
730	{	1174	XRenderFreePicture (dpy, back_pic);
731	unsigned long new_flags = compute_tint_shade_flags (NULL, shade);
732
733	if (new_flags != (flags & tintFlags))
734	{	1175	}
735	flags = (flags&~tintFlags)|new_flags;	1176	# endif
736	return true;	1177
737	}
738	return false;	1178	return ret;
739	}	1179	}
740		1180
741	bool	1181	/*
742	bgPixmap_t::set_shade (const char *shade_str)	1182	* Builds a pixmap of the same size as the terminal window that contains
743	{
744	int new_shade = (shade_str) ? atoi (shade_str) : 0;
745
746	if (new_shade == 100)
747	new_shade = 0;
748
749	if (new_shade != shade)
750	{
751	unsigned long new_flags = compute_tint_shade_flags ((flags & tintSet) ? &tint : NULL, new_shade);
752	shade = new_shade;
753	flags = (flags & (~tintFlags | tintSet)) | new_flags;
754	return true;
755	}
756	return false;
757	}
758
759	/* make_transparency_pixmap()
760	* Builds a pixmap sized the same as terminal window, with depth same as the root window
761	* that pixmap contains tiled portion of the root pixmap that is supposed to be covered by	1183	* the tiled portion of the root pixmap that is supposed to be covered by
762	* our window.	1184	* our window.
763	*/	1185	*/
764	unsigned long	1186	unsigned long
765	bgPixmap_t::make_transparency_pixmap ()	1187	rxvt_term::make_transparency_pixmap ()
766	{	1188	{
767	unsigned long result = 0;	1189	unsigned long result = 0;
768		1190
769	if (target == NULL)
770	return 0;
771
772	/* root dimentions may change from call to call - but Display structure should	1191	/* root dimensions may change from call to call - but Display structure should
773	* be always up-to-date, so let's use it :	1192	* be always up-to-date, so let's use it :
774	*/	1193	*/
775	Window root = target->display->root;
776	int screen = target->display->screen;	1194	int screen = display->screen;
777	Display *dpy = target->dpy;	1195	int root_depth = DefaultDepth (dpy, screen);
778	int root_width = DisplayWidth (dpy, screen);	1196	int root_width = DisplayWidth (dpy, screen);
779	int root_height = DisplayHeight (dpy, screen);	1197	int root_height = DisplayHeight (dpy, screen);
780	unsigned int root_pmap_width, root_pmap_height;	1198	unsigned int root_pmap_width, root_pmap_height;
781	int window_width = target->szHint.width;	1199	int window_width = szHint.width;
782	int window_height = target->szHint.height;	1200	int window_height = szHint.height;
783	int sx, sy;	1201	int sx, sy;
784	XGCValues gcv;	1202	XGCValues gcv;
		1203	GC gc;
785		1204
786	TIMING_TEST_START (tp);	1205	sx = target_x;
787	target->get_window_origin (sx, sy);	1206	sy = target_y;
788		1207
789	/* check if we are outside of the visible part of the virtual screen : */	1208	/* check if we are outside of the visible part of the virtual screen : */
790	if (sx + window_width <= 0 || sy + window_height <= 0	1209	if (sx + window_width <= 0 || sy + window_height <= 0
791	|| sx >= root_width || sy >= root_height)	1210	|| sx >= root_width || sy >= root_height)
792	return 0;	1211	return 0;
793		1212
		1213	// validate root pixmap and get its size
794	if (root_pixmap != None)	1214	if (root_pixmap != None)
795	{/* we want to validate the pixmap and get it's size at the same time : */	1215	{
		1216	Window wdummy;
796	int junk;	1217	int idummy;
797	unsigned int ujunk;	1218	unsigned int udummy;
798	/* root pixmap may be bad - allow a error */	1219
799	target->allowedxerror = -1;	1220	allowedxerror = -1;
800		1221
801	if (!XGetGeometry (dpy, root_pixmap, &root, &junk, &junk, &root_pmap_width, &root_pmap_height, &ujunk, &ujunk))	1222	if (!XGetGeometry (dpy, root_pixmap, &wdummy, &idummy, &idummy, &root_pmap_width, &root_pmap_height, &udummy, &udummy))
802	root_pixmap = None;	1223	root_pixmap = None;
803		1224
804	target->allowedxerror = 0;	1225	allowedxerror = 0;
		1226	}
		1227
		1228	Pixmap recoded_root_pmap = root_pixmap;
		1229
		1230	if (root_pixmap != None && root_depth != depth)
805	}	1231	{
		1232	#if XRENDER
		1233	if (bg_flags & BG_HAS_RENDER)
		1234	{
		1235	recoded_root_pmap = XCreatePixmap (dpy, vt, root_pmap_width, root_pmap_height, depth);
806		1236
807	Pixmap tiled_root_pmap = XCreatePixmap (dpy, root, window_width, window_height, root_depth);	1237	XRenderPictFormat *src_format = XRenderFindVisualFormat (dpy, DefaultVisual (dpy, screen));
808	GC gc = NULL;	1238	Picture src = XRenderCreatePicture (dpy, root_pixmap, src_format, 0, 0);
809		1239
810	if (tiled_root_pmap == None) /* something really bad happened - abort */	1240	XRenderPictFormat *dst_format = XRenderFindVisualFormat (dpy, visual);
		1241	Picture dst = XRenderCreatePicture (dpy, recoded_root_pmap, dst_format, 0, 0);
		1242
		1243	XRenderComposite (dpy, PictOpSrc, src, None, dst, 0, 0, 0, 0, 0, 0, root_pmap_width, root_pmap_height);
		1244
		1245	XRenderFreePicture (dpy, src);
		1246	XRenderFreePicture (dpy, dst);
		1247	}
		1248	else
		1249	#endif
		1250	recoded_root_pmap = None;
		1251	}
		1252
		1253	if (recoded_root_pmap == None)
811	return 0;	1254	return 0;
812		1255
813	if (root_pixmap == None)	1256	if (bg_pixmap == None
814	{ /* use tricks to obtain the root background image :*/	1257	|| bg_pmap_width != window_width
815	/* we want to create Overrideredirect window overlapping out window	1258	|| bg_pmap_height != window_height)
816	with background type of Parent Relative and then grab it */	1259	{
817	XSetWindowAttributes attr;	1260	if (bg_pixmap)
818	Window src;	1261	XFreePixmap (dpy, bg_pixmap);
819	bool success = false;	1262	bg_pixmap = XCreatePixmap (dpy, vt, window_width, window_height, depth);
		1263	bg_pmap_width = window_width;
		1264	bg_pmap_height = window_height;
		1265	}
820		1266
821	attr.background_pixmap = ParentRelative;	1267	/* straightforward pixmap copy */
822	attr.backing_store = Always;	1268	while (sx < 0) sx += root_pmap_width;
823	attr.event_mask = ExposureMask;	1269	while (sy < 0) sy += root_pmap_height;
824	attr.override_redirect = True;
825	src = XCreateWindow (dpy, root, sx, sy, window_width, window_height, 0,
826	CopyFromParent, CopyFromParent, CopyFromParent,
827	CWBackPixmap|CWBackingStore|CWOverrideRedirect|CWEventMask,
828	&attr);
829		1270
830	if (src != None)	1271	gcv.tile = recoded_root_pmap;
		1272	gcv.fill_style = FillTiled;
		1273	gcv.ts_x_origin = -sx;
		1274	gcv.ts_y_origin = -sy;
		1275	gc = XCreateGC (dpy, vt, GCFillStyle | GCTile | GCTileStipXOrigin | GCTileStipYOrigin, &gcv);
		1276
		1277	if (gc)
		1278	{
		1279	XFillRectangle (dpy, bg_pixmap, gc, 0, 0, window_width, window_height);
		1280	result |= BG_IS_VALID | (bg_flags & BG_EFFECTS_FLAGS);
		1281
		1282	if (!(bg_flags & BG_CLIENT_RENDER))
		1283	{
		1284	if (bg_flags & BG_NEEDS_BLUR)
831	{	1285	{
832	XEvent event;	1286	if (blur_pixmap (bg_pixmap, visual, window_width, window_height, depth))
833	int ev_count = 0;	1287	result &= ~BG_NEEDS_BLUR;
834	XGrabServer (dpy);	1288	}
835	XMapRaised (dpy, src);	1289	if (bg_flags & BG_NEEDS_TINT)
836	XSync (dpy, False);	1290	{
837		1291	if (tint_pixmap (bg_pixmap, visual, window_width, window_height))
838	/* XSync should get window where it's properly exposed,	1292	result &= ~BG_NEEDS_TINT;
839	* but to be on the safe side - let's check for the actuall event to arrive : */	1293	}
840	while (XCheckWindowEvent (dpy, src, ExposureMask, &event))	1294	# ifndef HAVE_AFTERIMAGE
841	++ev_count;	1295	if (result & BG_NEEDS_TINT)
842		1296	{
843	if (ev_count > 0);	1297	XImage *ximage = XGetImage (dpy, bg_pixmap, 0, 0, bg_pmap_width, bg_pmap_height, AllPlanes, ZPixmap);
844	{ /* hooray! - we can grab the image! */
845	gc = XCreateGC (dpy, root, 0, NULL);
846	if (gc)	1298	if (ximage)
847	{	1299	{
848	XCopyArea (dpy, src, tiled_root_pmap, gc, 0, 0, window_width, window_height, 0, 0);	1300	/* our own client-side tinting */
849	success = true;	1301	tint_ximage (DefaultVisual (dpy, display->screen), ximage);
		1302
		1303	XPutImage (dpy, bg_pixmap, gc, ximage, 0, 0, 0, 0, ximage->width, ximage->height);
		1304	XDestroyImage (ximage);
850	}	1305	}
851	}	1306	}
852	XDestroyWindow (dpy, src);
853	XUngrabServer (dpy);
854	//fprintf (stderr, "%s:%d: ev_count = %d\n", __FUNCTION__, __LINE__, ev_count);
855	}
856
857	if (!success)
858	{
859	XFreePixmap (dpy, tiled_root_pmap);
860	tiled_root_pmap = None;
861	}
862	else
863	result |= transpPmapTiled;
864	}
865	else
866	{/* strightforward pixmap copy */
867	gcv.tile = root_pixmap;
868	gcv.fill_style = FillTiled;
869
870	while (sx < 0) sx += (int)root_width;
871	while (sy < 0) sy += (int)root_height;
872
873	gcv.ts_x_origin = -sx;
874	gcv.ts_y_origin = -sy;
875	gc = XCreateGC (dpy, root, GCFillStyle | GCTile | GCTileStipXOrigin | GCTileStipYOrigin, &gcv);
876
877	if (gc)
878	{
879	XFillRectangle (dpy, tiled_root_pmap, gc, 0, 0, window_width, window_height);
880	result |= transpPmapTiled;
881	}
882	}
883	TIMING_TEST_PRINT_RESULT (tp);
884
885	if (tiled_root_pmap != None)
886	{
887	if (!need_client_side_rendering ())
888	{
889	if ((flags & tintNeeded))
890	{
891	if (flags & tintWholesome)
892	{
893	/* In this case we can tint image server-side getting significant
894	* performance improvements, as we eliminate XImage transfer
895	*/
896	gcv.foreground = Pixel (tint);
897	gcv.function = GXand;
898	gcv.fill_style = FillSolid;
899	if (gc)
900	XChangeGC (dpy, gc, GCFillStyle | GCForeground | GCFunction, &gcv);
901	else
902	gc = XCreateGC (dpy, root, GCFillStyle | GCForeground | GCFunction, &gcv);
903	if (gc)
904	{
905	XFillRectangle (dpy, tiled_root_pmap, gc, 0, 0, window_width, window_height);
906	result |= transpPmapTinted;
907	}
908	}
909	else
910	{
911	# if XFT
912	Picture back_pic = 0;
913	rgba c (rgba::MAX_CC,rgba::MAX_CC,rgba::MAX_CC);
914
915	if (flags & tintSet)
916	tint.get (c);
917
918	if (shade > 0 && shade < 100)
919	{
920	c.r = (c.r * shade) / 100;
921	c.g = (c.g * shade) / 100;
922	c.b = (c.b * shade) / 100;
923	}
924	else if( shade > 100 && shade < 200)
925	{
926	c.r = (c.r * (200 - shade)) / 100;
927	c.g = (c.g * (200 - shade)) / 100;
928	c.b = (c.b * (200 - shade)) / 100;
929	}
930
931	XRenderPictFormat pf;
932	pf.type = PictTypeDirect;
933	pf.depth = 32;
934	pf.direct.redMask = 0xff;
935	pf.direct.greenMask = 0xff;
936	pf.direct.blueMask = 0xff;
937	pf.direct.alphaMask = 0xff;
938
939	XRenderPictFormat *solid_format = XRenderFindFormat (dpy,
940	(PictFormatType|
941	PictFormatDepth|
942	PictFormatRedMask|
943	PictFormatGreenMask|
944	PictFormatBlueMask|
945	PictFormatAlphaMask),
946	&pf,
947	0);
948	XRenderPictFormat *root_format = XRenderFindVisualFormat (dpy, DefaultVisualOfScreen (ScreenOfDisplay (dpy, target->display->screen)));
949	XRenderPictureAttributes pa ;
950
951	back_pic = XRenderCreatePicture (dpy, tiled_root_pmap, root_format, 0, &pa);
952
953	pa.repeat = True;
954
955	Pixmap overlay_pmap = XCreatePixmap (dpy, root, 1, 1, 32);
956	Picture overlay_pic = XRenderCreatePicture (dpy, overlay_pmap, solid_format, CPRepeat, &pa);
957	XFreePixmap (dpy, overlay_pmap);
958
959	pa.component_alpha = True;
960	Pixmap mask_pmap = XCreatePixmap (dpy, root, 1, 1, 32);
961	Picture mask_pic = XRenderCreatePicture (dpy, mask_pmap, solid_format, CPRepeat|CPComponentAlpha, &pa);
962	XFreePixmap (dpy, mask_pmap);
963
964	if (mask_pic && overlay_pic && back_pic)
965	{
966	XRenderColor mask_c;
967
968	memset (&mask_c, (shade > 100) ? 0xFF : 0x0, sizeof (mask_c));
969	mask_c.alpha = 0xffff;
970	XRenderFillRectangle (dpy, PictOpSrc, overlay_pic, &mask_c, 0, 0, 1, 1);
971
972	mask_c.alpha = 0;
973	mask_c.red = 0xffff - c.r;
974	mask_c.green = 0xffff - c.g;
975	mask_c.blue = 0xffff - c.b;
976	XRenderFillRectangle (dpy, PictOpSrc, mask_pic, &mask_c, 0, 0, 1, 1);
977	XRenderComposite (dpy, PictOpOver, overlay_pic, mask_pic, back_pic, 0, 0, 0, 0, 0, 0, window_width, window_height);
978	result |= transpPmapTinted;
979	}
980	XRenderFreePicture (dpy, mask_pic);
981	XRenderFreePicture (dpy, overlay_pic);
982	XRenderFreePicture (dpy, back_pic);
983	# if DO_TIMING_TEST
984	XSync (dpy, False);
985	# endif
986	# endif	1307	# endif
987	}
988	}
989	} /* server side rendering completed */	1308	} /* server side rendering completed */
990		1309
991	if (pixmap)
992	XFreePixmap (dpy, pixmap);
993
994	pixmap = tiled_root_pmap;
995	pmap_width = window_width;
996	pmap_height = window_height;
997	pmap_depth = root_depth;
998	}
999
1000	if (gc)
1001	XFreeGC (dpy, gc);	1310	XFreeGC (dpy, gc);
1002
1003	TIMING_TEST_PRINT_RESULT (tp);
1004		1311	}
		1312
		1313	if (recoded_root_pmap != root_pixmap)
		1314	XFreePixmap (dpy, recoded_root_pmap);
		1315
1005	return result;	1316	return result;
1006	}	1317	}
		1318
		1319	void
		1320	rxvt_term::bg_set_root_pixmap ()
		1321	{
		1322	Pixmap new_root_pixmap = get_pixmap_property (xa[XA_XROOTPMAP_ID]);
		1323	if (new_root_pixmap == None)
		1324	new_root_pixmap = get_pixmap_property (xa[XA_ESETROOT_PMAP_ID]);
		1325
		1326	root_pixmap = new_root_pixmap;
		1327	}
		1328	# endif /* ENABLE_TRANSPARENCY */
1007		1329
1008	bool	1330	bool
1009	bgPixmap_t::set_root_pixmap ()	1331	rxvt_term::bg_render ()
1010	{	1332	{
1011	Pixmap new_root_pixmap = None;	1333	unsigned long tr_flags = 0;
1012
1013	new_root_pixmap = target->get_pixmap_property (XA_XROOTPMAP_ID);
1014	if (new_root_pixmap == None)
1015	new_root_pixmap = target->get_pixmap_property (XA_ESETROOT_PMAP_ID);
1016		1334
1017	if (new_root_pixmap != root_pixmap)	1335	bg_invalidate ();
1018	{
1019	root_pixmap = new_root_pixmap;
1020	return true;
1021	}
1022	return false;
1023	}
1024	# endif /* ENABLE_TRANSPARENCY */	1336	# ifdef ENABLE_TRANSPARENCY
1025		1337	if (bg_flags & BG_IS_TRANSPARENT)
1026	# ifndef HAVE_AFTERIMAGE	1338	{
1027	static void ShadeXImage(rxvt_term *term, XImage* srcImage, int shade, int rm, int gm, int bm);	1339	/* we need to re-generate transparency pixmap in that case ! */
		1340	tr_flags = make_transparency_pixmap ();
		1341	if (tr_flags)
		1342	bg_flags |= BG_IS_VALID;
		1343	}
1028	# endif	1344	# endif
1029		1345
1030		1346	# ifdef BG_IMAGE_FROM_FILE
1031	bool	1347	if ((bg_flags & BG_IS_FROM_FILE)
1032	bgPixmap_t::render ()	1348	|| (tr_flags & BG_EFFECTS_FLAGS))
1033	{
1034	unsigned long background_flags = 0;
1035
1036	if (target == NULL)
1037	return false;
1038
1039	TIMING_TEST_START (tp);
1040
1041	invalidate();
1042	# ifdef ENABLE_TRANSPARENCY
1043	if (flags & isTransparent)
1044	{	1349	{
1045	/* we need to re-generate transparency pixmap in that case ! */	1350	if (render_image (tr_flags))
1046	background_flags = make_transparency_pixmap ();	1351	bg_flags |= BG_IS_VALID;
1047	if (background_flags == 0)
1048	return false;
1049	else if ((background_flags & transpTransformations) == (flags & transpTransformations)
1050	&& pmap_depth == target->depth)
1051	flags = flags & ~isInvalid;
1052	}	1352	}
1053	# endif	1353	# endif
1054		1354
1055	XImage *result = NULL;	1355	if (!(bg_flags & BG_IS_VALID))
1056	# ifdef HAVE_AFTERIMAGE
1057	if (original_asim
1058	|| (background_flags & transpTransformations) != (flags & transpTransformations))
1059	{
1060	ASImage *background = NULL;
1061	ARGB32 as_tint = TINT_LEAVE_SAME;
1062	if (background_flags)
1063	background = pixmap2ximage (target->asv, pixmap, 0, 0, pmap_width, pmap_height, AllPlanes, 100);
1064
1065	# ifdef ENABLE_TRANSPARENCY
1066	if (!(background_flags & transpPmapTinted) && (flags & tintNeeded))
1067	{
1068	ShadingInfo as_shade;
1069	as_shade.shading = (shade == 0) ? 100 : shade;
1070
1071	rgba c (rgba::MAX_CC,rgba::MAX_CC,rgba::MAX_CC);
1072	if (flags & tintSet)
1073	tint.get (c);
1074	as_shade.tintColor.red = c.r;
1075	as_shade.tintColor.green = c.g;
1076	as_shade.tintColor.blue = c.b;
1077
1078	as_tint = shading2tint32 (&as_shade);
1079	}
1080	if (!(background_flags & transpPmapBlured) && (flags & blurNeeded) && background != NULL)
1081	{
1082	ASImage* tmp = blur_asimage_gauss (target->asv, background, h_blurRadius, v_blurRadius, 0xFFFFFFFF,
1083	(original_asim == NULL || tint == TINT_LEAVE_SAME)?ASA_XImage:ASA_ASImage,
1084	100, ASIMAGE_QUALITY_DEFAULT);
1085	if (tmp)
1086	{
1087	destroy_asimage (&background);
1088	background = tmp;
1089	}
1090	}
1091	# endif
1092
1093	if (render_asim (background, as_tint))
1094	flags = flags & ~isInvalid;
1095	if (background)
1096	destroy_asimage (&background);
1097	}	1356	{
1098	else if (background_flags && pmap_depth != target->depth)
1099	{
1100	result = XGetImage (target->dpy, pixmap, 0, 0, pmap_width, pmap_height, AllPlanes, ZPixmap);
1101	}
1102
1103	# elif !XFT /* our own client-side tinting */
1104
1105	/* ATTENTION: We ASSUME that XFT will let us do all the tinint neccessary server-side.
1106	This may need to be changed in need_client_seide_rendering() logic is altered !!! */
1107
1108	if (background_flags && (flags & isInvalid))
1109	{
1110	result = XGetImage (target->dpy, pixmap, 0, 0, pmap_width, pmap_height, AllPlanes, ZPixmap);
1111	if (result != NULL && !(background_flags & transpPmapTinted) && (flags & tintNeeded))
1112	{
1113	rgba c (rgba::MAX_CC,rgba::MAX_CC,rgba::MAX_CC);
1114	if (flags & tintSet)
1115	tint.get (c);
1116	ShadeXImage (target, result, shade, c.r, c.g, c.b);
1117	}
1118	}
1119	# endif /* HAVE_AFTERIMAGE */
1120
1121	if (result != NULL)
1122	{
1123	GC gc = XCreateGC (target->dpy, target->vt, 0UL, NULL);
1124	if (gc)
1125	{
1126	if (/*pmap_depth != target->depth &&*/ pixmap != None)
1127	{
1128	XFreePixmap (target->dpy, pixmap);
1129	pixmap = None;
1130	}
1131	if (pixmap == None)
1132	{
1133	pixmap = XCreatePixmap (target->dpy, target->vt, result->width, result->height, target->depth);
1134	pmap_width = result->width;
1135	pmap_height = result->height;
1136	pmap_depth = target->depth;
1137	}
1138	if (pmap_depth != result->depth)
1139	{ /* Bad Match error will ensue ! stupid X !!!! */
1140	if( result->depth == 24 && pmap_depth == 32)
1141	result->depth = 32;
1142	else if( result->depth == 32 && pmap_depth == 24)
1143	result->depth = 24;
1144	else
1145	{
1146	/* TODO: implement image recoding */
1147	}
1148	}
1149	if (pmap_depth == result->depth)
1150	XPutImage (target->dpy, pixmap, gc, result, 0, 0, 0, 0, result->width, result->height);
1151	XFreeGC (target->dpy, gc);
1152	flags = flags & ~isInvalid;
1153	}
1154	XDestroyImage (result);
1155	}
1156
1157	if (flags & isInvalid)
1158	{
1159	if (pixmap != None)	1357	if (bg_pixmap != None)
1160	{	1358	{
1161	XFreePixmap (target->dpy, pixmap);	1359	XFreePixmap (dpy, bg_pixmap);
1162	pixmap = None;	1360	bg_pixmap = None;
1163	}
1164	}
1165
1166	apply ();
1167
1168	TIMING_TEST_PRINT_RESULT (tp);
1169
1170	return true;
1171	}
1172
1173	bool
1174	bgPixmap_t::set_target (rxvt_term *new_target)
1175	{
1176	if (new_target)
1177	if (target != new_target)
1178	{
1179	target = new_target;
1180	# ifdef ENABLE_TRANSPARENCY
1181	root_depth = DefaultDepthOfScreen (ScreenOfDisplay (target->dpy, target->display->screen));
1182	# endif
1183	return true;
1184	}	1361	}
		1362	}
		1363
		1364	scr_recolour (false);
		1365	bg_flags |= BG_NEEDS_REFRESH;
		1366
		1367	bg_valid_since = ev::now ();
		1368
1185	return false;	1369	return true;
1186	}	1370	}
1187		1371
1188	void	1372	void
1189	bgPixmap_t::apply()	1373	rxvt_term::bg_init ()
1190	{	1374	{
1191	if (target)
1192	{
1193	flags &= ~isVtOrigin;
1194	if (pixmap != None)
1195	{ /* set target's background to pixmap */
1196	# ifdef ENABLE_TRANSPARENCY	1375	#ifdef ENABLE_TRANSPARENCY
1197	if (flags & isTransparent)	1376	shade = 100;
1198	{
1199	XSetWindowBackgroundPixmap (target->dpy, target->parent[0], pixmap);
1200	XSetWindowBackgroundPixmap (target->dpy, target->vt, ParentRelative);
1201	# if HAVE_SCROLLBARS
1202	if (target->scrollBar.win)
1203	XSetWindowBackgroundPixmap (target->dpy, target->scrollBar.win, ParentRelative);
1204	# endif
1205	}
1206	else
1207	# endif	1377	#endif
1208	{	1378
1209	flags |= isVtOrigin;	1379	bg_flags &= ~(BG_HAS_RENDER | BG_HAS_RENDER_CONV);
1210	/* force old pixmap dereference in case it was transparent before :*/	1380	#if XRENDER
1211	XSetWindowBackground (target->dpy, target->parent[0], target->pix_colors[Color_border]);	1381	int major, minor;
1212	XSetWindowBackgroundPixmap (target->dpy, target->vt, pixmap);	1382	if (XRenderQueryVersion (dpy, &major, &minor))
1213	/* do we also need to set scrollbar's background here ? */	1383	bg_flags |= BG_HAS_RENDER;
1214	# if HAVE_SCROLLBARS	1384	XFilters *filters = XRenderQueryFilters (dpy, vt);
1215	if (target->scrollBar.win)	1385	if (filters)
1216	XSetWindowBackground (target->dpy, target->scrollBar.win, target->pix_colors[Color_border]);	1386	{
		1387	for (int i = 0; i < filters->nfilter; i++)
		1388	if (!strcmp (filters->filter[i], FilterConvolution))
		1389	bg_flags |= BG_HAS_RENDER_CONV;
		1390
		1391	XFree (filters);
		1392	}
1217	# endif	1393	#endif
1218	}
1219	}
1220	else
1221	{ /* set target background to a pixel */
1222	XSetWindowBackground (target->dpy, target->parent[0], target->pix_colors[Color_border]);
1223	XSetWindowBackground (target->dpy, target->vt, target->pix_colors[Color_bg]);
1224	/* do we also need to set scrollbar's background here ? */
1225	# if HAVE_SCROLLBARS
1226	if (target->scrollBar.win)
1227	XSetWindowBackground (target->dpy, target->scrollBar.win, target->pix_colors[Color_border]);
1228	# endif
1229	}
1230	/* don't want Expose on the parent or vt. It is better to use
1231	scr_touch or we get a great deal of flicker otherwise: */
1232	XClearWindow (target->dpy, target->parent[0]);
1233
1234	# if HAVE_SCROLLBARS
1235	if (target->scrollBar.win)
1236	{
1237	target->scrollBar.setIdle ();
1238	target->scrollbar_show (0);
1239	}
1240	# endif
1241
1242	target->want_refresh = 1;
1243	flags |= hasChanged;
1244	}
1245	}	1394	}
1246		1395
1247	#endif /* HAVE_BG_PIXMAP */	1396	#endif /* HAVE_BG_PIXMAP */
1248		1397
1249	#if defined(ENABLE_TRANSPARENCY) && !defined(HAVE_AFTERIMAGE) && !XFT	1398	#if defined(ENABLE_TRANSPARENCY) && !defined(HAVE_AFTERIMAGE)
1250	/* taken from aterm-0.4.2 */	1399	/* based on code from aterm-0.4.2 */
1251		1400
1252	typedef uint32_t RUINT32T;
1253
1254	static void	1401	static inline void
1255	ShadeXImage(rxvt_term *term, XImage* srcImage, int shade, int rm, int gm, int bm)	1402	fill_lut (uint32_t *lookup, uint32_t mask, int sh, unsigned short low, unsigned short high)
		1403	{
		1404	for (int i = 0; i <= mask >> sh; i++)
		1405	{
		1406	uint32_t tmp;
		1407	tmp = i * high;
		1408	tmp += (mask >> sh) * low;
		1409	lookup[i] = (tmp / 0xffff) << sh;
		1410	}
		1411	}
		1412
		1413	void
		1414	rxvt_term::tint_ximage (Visual *visual, XImage *ximage)
1256	{	1415	{
1257	int sh_r, sh_g, sh_b;	1416	int sh_r, sh_g, sh_b;
1258	RUINT32T mask_r, mask_g, mask_b;	1417	uint32_t mask_r, mask_g, mask_b;
1259	RUINT32T *lookup, *lookup_r, *lookup_g, *lookup_b;	1418	uint32_t *lookup, *lookup_r, *lookup_g, *lookup_b;
1260	unsigned int lower_lim_r, lower_lim_g, lower_lim_b;	1419	unsigned short low;
1261	unsigned int upper_lim_r, upper_lim_g, upper_lim_b;	1420	int host_byte_order = ecb_big_endian () ? MSBFirst : LSBFirst;
1262	int i;
1263		1421
1264	Visual *visual = term->visual;
1265
1266	if (visual->c_class != TrueColor || srcImage->format != ZPixmap) return ;	1422	if (visual->c_class != TrueColor || ximage->format != ZPixmap) return;
1267
1268	if (shade == 0)
1269	shade = 100;
1270		1423
1271	/* for convenience */	1424	/* for convenience */
1272	mask_r = visual->red_mask;	1425	mask_r = visual->red_mask;
1273	mask_g = visual->green_mask;	1426	mask_g = visual->green_mask;
1274	mask_b = visual->blue_mask;	1427	mask_b = visual->blue_mask;
1275		1428
1276	/* boring lookup table pre-initialization */	1429	/* boring lookup table pre-initialization */
1277	switch (srcImage->bits_per_pixel) {	1430	switch (ximage->depth)
		1431	{
1278	case 15:	1432	case 15:
1279	if ((mask_r != 0x7c00) ||	1433	if ((mask_r != 0x7c00) ||
1280	(mask_g != 0x03e0) ||	1434	(mask_g != 0x03e0) ||
1281	(mask_b != 0x001f))	1435	(mask_b != 0x001f))
1282	return;	1436	return;
1283	lookup = (RUINT32T *) malloc (sizeof (RUINT32T)*(32+32+32));	1437	lookup = (uint32_t *) malloc (sizeof (uint32_t)*(32+32+32));
1284	lookup_r = lookup;	1438	lookup_r = lookup;
1285	lookup_g = lookup+32;	1439	lookup_g = lookup+32;
1286	lookup_b = lookup+32+32;	1440	lookup_b = lookup+32+32;
1287	sh_r = 10;	1441	sh_r = 10;
1288	sh_g = 5;	1442	sh_g = 5;
1289	sh_b = 0;	1443	sh_b = 0;
1290	break;	1444	break;
1291	case 16:	1445	case 16:
1292	if ((mask_r != 0xf800) ||	1446	if ((mask_r != 0xf800) ||
1293	(mask_g != 0x07e0) ||	1447	(mask_g != 0x07e0) ||
1294	(mask_b != 0x001f))	1448	(mask_b != 0x001f))
1295	return;	1449	return;
1296	lookup = (RUINT32T *) malloc (sizeof (RUINT32T)*(32+64+32));	1450	lookup = (uint32_t *) malloc (sizeof (uint32_t)*(32+64+32));
1297	lookup_r = lookup;	1451	lookup_r = lookup;
1298	lookup_g = lookup+32;	1452	lookup_g = lookup+32;
1299	lookup_b = lookup+32+64;	1453	lookup_b = lookup+32+64;
1300	sh_r = 11;	1454	sh_r = 11;
1301	sh_g = 5;	1455	sh_g = 5;
1302	sh_b = 0;	1456	sh_b = 0;
1303	break;	1457	break;
1304	case 24:	1458	case 24:
1305	if ((mask_r != 0xff0000) ||	1459	if ((mask_r != 0xff0000) ||
1306	(mask_g != 0x00ff00) ||	1460	(mask_g != 0x00ff00) ||
1307	(mask_b != 0x0000ff))	1461	(mask_b != 0x0000ff))
1308	return;	1462	return;
1309	lookup = (RUINT32T *) malloc (sizeof (RUINT32T)*(256+256+256));	1463	lookup = (uint32_t *) malloc (sizeof (uint32_t)*(256+256+256));
1310	lookup_r = lookup;	1464	lookup_r = lookup;
1311	lookup_g = lookup+256;	1465	lookup_g = lookup+256;
1312	lookup_b = lookup+256+256;	1466	lookup_b = lookup+256+256;
1313	sh_r = 16;	1467	sh_r = 16;
1314	sh_g = 8;	1468	sh_g = 8;
1315	sh_b = 0;	1469	sh_b = 0;
1316	break;	1470	break;
1317	case 32:	1471	case 32:
1318	if ((mask_r != 0xff0000) ||	1472	if ((mask_r != 0xff0000) ||
1319	(mask_g != 0x00ff00) ||	1473	(mask_g != 0x00ff00) ||
1320	(mask_b != 0x0000ff))	1474	(mask_b != 0x0000ff))
1321	return;	1475	return;
1322	lookup = (RUINT32T *) malloc (sizeof (RUINT32T)*(256+256+256));	1476	lookup = (uint32_t *) malloc (sizeof (uint32_t)*(256+256+256));
1323	lookup_r = lookup;	1477	lookup_r = lookup;
1324	lookup_g = lookup+256;	1478	lookup_g = lookup+256;
1325	lookup_b = lookup+256+256;	1479	lookup_b = lookup+256+256;
1326	sh_r = 16;	1480	sh_r = 16;
1327	sh_g = 8;	1481	sh_g = 8;
1328	sh_b = 0;	1482	sh_b = 0;
1329	break;	1483	break;
1330	default:	1484	default:
1331	return; /* we do not support this color depth */	1485	return; /* we do not support this color depth */
1332	}	1486	}
		1487
		1488	rgba c (rgba::MAX_CC, rgba::MAX_CC, rgba::MAX_CC);
		1489
		1490	if (bg_flags & BG_TINT_SET)
		1491	tint.get (c);
1333		1492
1334	/* prepare limits for color transformation (each channel is handled separately) */	1493	/* prepare limits for color transformation (each channel is handled separately) */
1335	if (shade < 0) {	1494	if (shade > 100)
1336	shade = -shade;
1337	if (shade < 0) shade = 0;
1338	if (shade > 100) shade = 100;
1339
1340	lower_lim_r = 65535-rm;
1341	lower_lim_g = 65535-gm;
1342	lower_lim_b = 65535-bm;
1343
1344	lower_lim_r = 65535-(unsigned int)(((RUINT32T)lower_lim_r)*((RUINT32T)shade)/100);
1345	lower_lim_g = 65535-(unsigned int)(((RUINT32T)lower_lim_g)*((RUINT32T)shade)/100);
1346	lower_lim_b = 65535-(unsigned int)(((RUINT32T)lower_lim_b)*((RUINT32T)shade)/100);
1347
1348	upper_lim_r = upper_lim_g = upper_lim_b = 65535;
1349	} else {
1350	if (shade < 0) shade = 0;
1351	if (shade > 100) shade = 100;
1352
1353	lower_lim_r = lower_lim_g = lower_lim_b = 0;
1354
1355	upper_lim_r = (unsigned int)((((RUINT32T)rm)*((RUINT32T)shade))/100);
1356	upper_lim_g = (unsigned int)((((RUINT32T)gm)*((RUINT32T)shade))/100);
1357	upper_lim_b = (unsigned int)((((RUINT32T)bm)*((RUINT32T)shade))/100);
1358	}
1359
1360	/* switch red and blue bytes if necessary, we need it for some weird XServers like XFree86 3.3.3.1 */
1361	if ((srcImage->bits_per_pixel == 24) && (mask_r >= 0xFF0000 ))
1362	{	1495	{
1363	unsigned int tmp;	1496	c.r = c.r * (200 - shade) / 100;
		1497	c.g = c.g * (200 - shade) / 100;
		1498	c.b = c.b * (200 - shade) / 100;
1364		1499
1365	tmp = lower_lim_r;	1500	low = 0xffff * (shade - 100) / 100;
1366	lower_lim_r = lower_lim_b;
1367	lower_lim_b = tmp;
1368
1369	tmp = upper_lim_r;
1370	upper_lim_r = upper_lim_b;
1371	upper_lim_b = tmp;
1372	}	1501	}
		1502	else
		1503	{
		1504	c.r = c.r * shade / 100;
		1505	c.g = c.g * shade / 100;
		1506	c.b = c.b * shade / 100;
		1507
		1508	low = 0;
		1509	}
1373		1510
1374	/* fill our lookup tables */	1511	/* fill our lookup tables */
1375	for (i = 0; i <= mask_r>>sh_r; i++)	1512	fill_lut (lookup_r, mask_r, sh_r, low, c.r);
1376	{	1513	fill_lut (lookup_g, mask_g, sh_g, low, c.g);
1377	RUINT32T tmp;	1514	fill_lut (lookup_b, mask_b, sh_b, low, c.b);
1378	tmp = ((RUINT32T)i)*((RUINT32T)(upper_lim_r-lower_lim_r));
1379	tmp += ((RUINT32T)(mask_r>>sh_r))*((RUINT32T)lower_lim_r);
1380	lookup_r[i] = (tmp/65535)<<sh_r;
1381	}
1382	for (i = 0; i <= mask_g>>sh_g; i++)
1383	{
1384	RUINT32T tmp;
1385	tmp = ((RUINT32T)i)*((RUINT32T)(upper_lim_g-lower_lim_g));
1386	tmp += ((RUINT32T)(mask_g>>sh_g))*((RUINT32T)lower_lim_g);
1387	lookup_g[i] = (tmp/65535)<<sh_g;
1388	}
1389	for (i = 0; i <= mask_b>>sh_b; i++)
1390	{
1391	RUINT32T tmp;
1392	tmp = ((RUINT32T)i)*((RUINT32T)(upper_lim_b-lower_lim_b));
1393	tmp += ((RUINT32T)(mask_b>>sh_b))*((RUINT32T)lower_lim_b);
1394	lookup_b[i] = (tmp/65535)<<sh_b;
1395	}
1396		1515
1397	/* apply table to input image (replacing colors by newly calculated ones) */	1516	/* apply table to input image (replacing colors by newly calculated ones) */
1398	switch (srcImage->bits_per_pixel)	1517	if (ximage->bits_per_pixel == 32
		1518	&& (ximage->depth == 24 || ximage->depth == 32)
		1519	&& ximage->byte_order == host_byte_order)
1399	{	1520	{
1400	case 15:
1401	{
1402	unsigned short *p1, *pf, *p, *pl;	1521	uint32_t *p1, *pf, *p, *pl;
1403	p1 = (unsigned short *) srcImage->data;	1522	p1 = (uint32_t *) ximage->data;
1404	pf = (unsigned short *) (srcImage->data + srcImage->height * srcImage->bytes_per_line);	1523	pf = (uint32_t *) (ximage->data + ximage->height * ximage->bytes_per_line);
		1524
1405	while (p1 < pf)	1525	while (p1 < pf)
1406	{	1526	{
1407	p = p1;	1527	p = p1;
1408	pl = p1 + srcImage->width;	1528	pl = p1 + ximage->width;
1409	for (; p < pl; p++)	1529	for (; p < pl; p++)
1410	{	1530	{
1411	*p = lookup_r[(*p & 0x7c00)>>10] |
1412	lookup_g[(*p & 0x03e0)>> 5] |
1413	lookup_b[(*p & 0x001f)];
1414	}
1415	p1 = (unsigned short *) ((char *) p1 + srcImage->bytes_per_line);
1416	}
1417	break;
1418	}
1419	case 16:
1420	{
1421	unsigned short *p1, *pf, *p, *pl;
1422	p1 = (unsigned short *) srcImage->data;
1423	pf = (unsigned short *) (srcImage->data + srcImage->height * srcImage->bytes_per_line);
1424	while (p1 < pf)
1425	{
1426	p = p1;
1427	pl = p1 + srcImage->width;
1428	for (; p < pl; p++)
1429	{
1430	*p = lookup_r[(*p & 0xf800)>>11] |
1431	lookup_g[(*p & 0x07e0)>> 5] |
1432	lookup_b[(*p & 0x001f)];
1433	}
1434	p1 = (unsigned short *) ((char *) p1 + srcImage->bytes_per_line);
1435	}
1436	break;
1437	}
1438	case 24:
1439	{
1440	unsigned char *p1, *pf, *p, *pl;
1441	p1 = (unsigned char *) srcImage->data;
1442	pf = (unsigned char *) (srcImage->data + srcImage->height * srcImage->bytes_per_line);
1443	while (p1 < pf)
1444	{
1445	p = p1;
1446	pl = p1 + srcImage->width * 3;
1447	for (; p < pl; p += 3)
1448	{
1449	p[0] = lookup_r[(p[0] & 0xff0000)>>16];
1450	p[1] = lookup_r[(p[1] & 0x00ff00)>> 8];
1451	p[2] = lookup_r[(p[2] & 0x0000ff)];
1452	}
1453	p1 = (unsigned char *) ((char *) p1 + srcImage->bytes_per_line);
1454	}
1455	break;
1456	}
1457	case 32:
1458	{
1459	RUINT32T *p1, *pf, *p, *pl;
1460	p1 = (RUINT32T *) srcImage->data;
1461	pf = (RUINT32T *) (srcImage->data + srcImage->height * srcImage->bytes_per_line);
1462
1463	while (p1 < pf)
1464	{
1465	p = p1;
1466	pl = p1 + srcImage->width;
1467	for (; p < pl; p++)
1468	{
1469	*p = lookup_r[(*p & 0xff0000)>>16] |	1531	*p = lookup_r[(*p & 0xff0000) >> 16] |
1470	lookup_g[(*p & 0x00ff00)>> 8] |	1532	lookup_g[(*p & 0x00ff00) >> 8] |
1471	lookup_b[(*p & 0x0000ff)] |	1533	lookup_b[(*p & 0x0000ff)] |
1472	(*p & ~0xffffff);	1534	(*p & 0xff000000);
		1535	}
		1536	p1 = (uint32_t *) ((char *) p1 + ximage->bytes_per_line);
		1537	}
		1538	}
		1539	else
		1540	{
		1541	for (int y = 0; y < ximage->height; y++)
		1542	for (int x = 0; x < ximage->width; x++)
		1543	{
		1544	unsigned long pixel = XGetPixel (ximage, x, y);
		1545	pixel = lookup_r[(pixel & mask_r) >> sh_r] |
		1546	lookup_g[(pixel & mask_g) >> sh_g] |
		1547	lookup_b[(pixel & mask_b) >> sh_b];
		1548	XPutPixel (ximage, x, y, pixel);
1473	}	1549	}
1474	p1 = (RUINT32T *) ((char *) p1 + srcImage->bytes_per_line);
1475	}	1550	}
1476	break;
1477	}
1478	}
1479		1551
1480	free (lookup);	1552	free (lookup);
1481	}	1553	}
1482	#endif /* defined(ENABLE_TRANSPARENCY) && !defined(HAVE_AFTERIMAGE) */	1554	#endif /* defined(ENABLE_TRANSPARENCY) && !defined(HAVE_AFTERIMAGE) */

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