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Comparing rxvt-unicode/src/background.C (file contents):
Revision 1.60 by sf-exg, Sun Oct 3 20:41:32 2010 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) 2005-2008 Marc Lehmann <pcg@goof.com>	6	* Copyright (c) 2005-2008 Marc Lehmann <schmorp@schmorp.de>
7	* Copyright (c) 2007 Sasha Vasko <sasha@aftercode.net>	7	* Copyright (c) 2007 Sasha Vasko <sasha@aftercode.net>
		8	* Copyright (c) 2010 Emanuele Giaquinta <e.giaquinta@glauco.it>
8	*	9	*
9	* This program is free software; you can redistribute it and/or modify	10	* This program is free software; you can redistribute it and/or modify
10	* it under the terms of the GNU General Public License as published by	11	* it under the terms of the GNU General Public License as published by
11	* the Free Software Foundation; either version 2 of the License, or	12	* the Free Software Foundation; either version 2 of the License, or
12	* (at your option) any later version.	13	* (at your option) any later version.
…		…
19	* You should have received a copy of the GNU General Public License	20	* You should have received a copy of the GNU General Public License
20	* along with this program; if not, write to the Free Software	21	* along with this program; if not, write to the Free Software
21	* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.	22	* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
22	*---------------------------------------------------------------------*/	23	*---------------------------------------------------------------------*/
23		24
		25	#include <cmath>
24	#include "../config.h" /* NECESSARY */	26	#include "../config.h" /* NECESSARY */
25	#include "rxvt.h" /* NECESSARY */	27	#include "rxvt.h" /* NECESSARY */
26		28
27	#define DO_TIMING_TEST 0	29	#if XRENDER
		30	# include <X11/extensions/Xrender.h>
		31	#endif
28		32
29	#if DO_TIMING_TEST	33	#ifndef FilterConvolution
30	# include <sys/time.h>	34	#define FilterConvolution "convolution"
31	#define TIMING_TEST_START(id) \
32	struct timeval timing_test_##id##_stv; \
33	gettimeofday (&timing_test_##id##_stv, NULL);
34
35	#define TIMING_TEST_PRINT_RESULT(id) \
36	do { \
37	struct timeval tv; \
38	gettimeofday (&tv, NULL); \
39	tv.tv_sec -= (timing_test_##id##_stv).tv_sec; \
40	fprintf (stderr, "%s: %s: %d: elapsed %ld usec\n", #id, __FILE__, __LINE__, \
41	tv.tv_sec * 1000000 + tv.tv_usec - (timing_test_##id##_stv).tv_usec); \
42	} while (0)
43
44	#else
45	#define TIMING_TEST_START(id) do {} while (0)
46	#define TIMING_TEST_PRINT_RESULT(id) do {} while (0)
47	#endif	35	#endif
48		36
49	/*	37	/*
50	* Pixmap geometry string interpretation :	38	* Pixmap geometry string interpretation :
51	* Each geometry string contains zero or one scale/position	39	* Each geometry string contains zero or one scale/position
…		…
56	*	44	*
57	* WxH+X+Y Set scaling to W% by H%, and position to X% by Y%.	45	* WxH+X+Y Set scaling to W% by H%, and position to X% by Y%.
58	* W and H are percentages of the terminal window size.	46	* W and H are percentages of the terminal window size.
59	* X and Y are also percentages; e.g., +50+50 centers	47	* X and Y are also percentages; e.g., +50+50 centers
60	* the image in the window.	48	* the image in the window.
61	* WxH+X Assumes Y == X
62	* WxH Assumes Y == X == 50 (centers the image)
63	* W+X+Y Assumes H == W
64	* W+X Assumes H == W and Y == X
65	* W Assumes H == W and Y == X == 50
66	*
67	* Adjusting position only :
68	* =+X+Y Set position to X% by Y% (absolute).
69	* =+X Set position to X% by X%.
70	* +X+Y Adjust position horizontally X% and vertically Y%
71	* from current position (relative).
72	* +X Adjust position horizontally X% and vertically X%
73	* from current position.
74	*
75	* Adjusting scale only :
76	* Wx0 Multiply horizontal scaling factor by W%
77	* 0xH Multiply vertical scaling factor by H%
78	* 0x0 No scaling (show image at normal size).
79	*	49	*
80	* Pixmap Operations : (should be prepended by a colon)	50	* Pixmap Operations : (should be prepended by a colon)
81	* tile Tile image. Scaling/position modifiers above will affect
82	* the tile size and origin.
83	* propscale When scaling, scale proportionally. That is, maintain the
84	* proper aspect ratio for the image. Any portion of the
85	* background not covered by the image is filled with the
86	* current background color.
87	* hscale Scale horizontally, tile vertically ?
88	* vscale Tile horizontally, scale vertically ?
89	* scale Scale both up and down
90	* auto Same as 100x100+50+50
91	*/	51	*/
92		52
93	#ifdef HAVE_BG_PIXMAP	53	#ifdef HAVE_BG_PIXMAP
94	bgPixmap_t::bgPixmap_t ()
95	{
96	// this is basically redundant as bgPixmap_t is only used in
97	// zero_initialised-derived structs
98	#ifdef HAVE_AFTERIMAGE
99	original_asim = NULL;
100	#endif
101	#ifdef HAVE_PIXBUF
102	pixbuf = NULL;
103	#endif
104	#ifdef BG_IMAGE_FROM_FILE
105	have_image = false;
106	h_scale = v_scale = 0;
107	h_align = v_align = 0;
108	#endif
109	flags = 0;
110	pixmap = None;
111	valid_since = invalid_since = 0;
112	target = 0;
113	}
114
115	void	54	void
116	bgPixmap_t::destroy ()	55	rxvt_term::bg_destroy ()
117	{	56	{
118	#ifdef HAVE_AFTERIMAGE	57	#ifdef HAVE_AFTERIMAGE
119	if (original_asim)	58	if (original_asim)
120	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);
121	#endif	64	#endif
122		65
123	#ifdef HAVE_PIXBUF	66	#ifdef HAVE_PIXBUF
124	if (pixbuf)	67	if (pixbuf)
125	g_object_unref (pixbuf);	68	g_object_unref (pixbuf);
126	#endif	69	#endif
127		70
128	if (pixmap && target)	71	if (bg_pixmap)
129	XFreePixmap (target->dpy, pixmap);	72	XFreePixmap (dpy, bg_pixmap);
130	}	73	}
131		74
132	bool	75	bool
133	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 ()
134	{	91	{
135	# ifdef ENABLE_TRANSPARENCY	92	# ifdef ENABLE_TRANSPARENCY
136	if (flags & isTransparent)	93	if (bg_flags & BG_IS_TRANSPARENT)
137	return true;	94	return true;
138	# endif	95	# endif
139		96
140	# ifdef BG_IMAGE_FROM_FILE	97	# ifdef BG_IMAGE_FROM_FILE
141	if (have_image)	98	if (bg_flags & BG_IS_FROM_FILE)
142	{	99	{
143	if (h_scale != 0 || v_scale != 0	100	if (bg_flags & BG_IS_SIZE_SENSITIVE)
144	|| h_align != 0 || v_align != 0)
145	return true;	101	return true;
146	}	102	}
147	# endif	103	# endif
148		104
149	return false;	105	return false;
150	}	106	}
151		107
152	bool	108	bool
153	bgPixmap_t::window_position_sensitive ()	109	rxvt_term::bg_window_position_sensitive ()
154	{	110	{
155	# ifdef ENABLE_TRANSPARENCY	111	# ifdef ENABLE_TRANSPARENCY
156	if (flags & isTransparent)	112	if (bg_flags & BG_IS_TRANSPARENT)
157	return true;	113	return true;
158	# endif	114	# endif
159		115
160	# ifdef BG_IMAGE_FROM_FILE	116	# ifdef BG_IMAGE_FROM_FILE
161	if (have_image)	117	if (bg_flags & BG_IS_FROM_FILE)
162	{	118	{
163	if (h_align == rootAlign || v_align == rootAlign)	119	if (bg_flags & BG_ROOT_ALIGN)
164	return true;	120	return true;
165	}	121	}
166	# endif	122	# endif
167		123
168	return false;
169	};
170
171	bool bgPixmap_t::need_client_side_rendering ()
172	{
173	# ifdef HAVE_AFTERIMAGE
174	if (original_asim)
175	return true;
176	# endif
177	# ifdef ENABLE_TRANSPARENCY
178	if (flags & isTransparent)
179	{
180	# ifdef HAVE_AFTERIMAGE // can't blur without libAI anyways
181	if ((flags & blurNeeded) && !(flags & blurServerSide))
182	return true;
183	# endif
184	if ((flags & tintNeeded) && !(flags & tintServerSide))
185	return true;
186	}
187	# endif
188	return false;	124	return false;
189	}	125	}
190		126
191	# ifdef BG_IMAGE_FROM_FILE	127	# ifdef BG_IMAGE_FROM_FILE
192	static inline bool	128	static inline bool
…		…
208	static inline bool	144	static inline bool
209	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)
210	{	146	{
211	if (geom_flags & flag)	147	if (geom_flags & flag)
212	{	148	{
213	if (new_value != bgPixmap_t::rootAlign)
214	{
215	if (new_value < -100)	149	if (new_value < -100)
216	new_value = -100;	150	new_value = -100;
217	else if (new_value > 200)	151	else if (new_value > 200)
218	new_value = 200;	152	new_value = 200;
219	}
220	if (new_value != align)	153	if (new_value != align)
221	{	154	{
222	align = new_value;	155	align = new_value;
223	return true;	156	return true;
224	}	157	}
…		…
230	make_align_position (int align, int window_size, int image_size)	163	make_align_position (int align, int window_size, int image_size)
231	{	164	{
232	int diff = window_size - image_size;	165	int diff = window_size - image_size;
233	int smaller = min (image_size, window_size);	166	int smaller = min (image_size, window_size);
234		167
235	if (align >= 0 && align <= 50)	168	if (align >= 0 && align <= 100)
236	return diff * align / 100;	169	return diff * align / 100;
237	else if (align > 50 && align <= 100)
238	return window_size - image_size - diff * (100 - align) / 100;
239	else if (align > 100 && align <= 200 )	170	else if (align > 100 && align <= 200)
240	return ((align - 100) * smaller / 100) + window_size - smaller;	171	return ((align - 100) * smaller / 100) + window_size - smaller;
241	else if (align > -100 && align < 0)	172	else if (align >= -100 && align < 0)
242	return ((align + 100) * smaller / 100) - image_size;	173	return ((align + 100) * smaller / 100) - image_size;
243	return 0;	174	return 0;
244	}	175	}
245		176
246	static inline int	177	static inline int
247	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)
248	{	179	{
249	int src_pos = 0;	180	int src_pos = 0;
250	dst_pos = 0;	181	dst_pos = pos;
251	dst_size = size;	182	dst_size = size;
252	if (pos < 0)	183	if (pos < 0)
253	{	184	{
254	src_pos = -pos;	185	src_pos = -pos;
		186	dst_pos = 0;
255	dst_size += pos;	187	dst_size += pos;
256	}	188	}
257	else if (pos > 0)
258	dst_pos = pos;
259		189
260	if (dst_pos + dst_size > target_size)	190	if (dst_pos + dst_size > target_size)
261	dst_size = target_size - dst_pos;	191	dst_size = target_size - dst_pos;
262	return src_pos;	192	return src_pos;
263	}	193	}
264		194
265	bool	195	bool
266	bgPixmap_t::set_geometry (const char *geom)	196	rxvt_term::bg_set_geometry (const char *geom, bool update)
267	{	197	{
		198	bool changed = false;
268	int geom_flags = 0, changed = 0;	199	int geom_flags = 0;
269	int x = 0, y = 0;	200	int x = 0, y = 0;
270	unsigned int w = 0, h = 0;	201	unsigned int w = 0, h = 0;
271	unsigned int n;	202	unsigned int n;
272	unsigned long new_flags = (flags & (~geometryFlags));	203	unsigned long new_flags = (bg_flags & (~BG_GEOMETRY_FLAGS));
273	const char *p;	204	const char *ops;
274	# define MAXLEN_GEOM 256 /* could be longer than regular geometry string */
275		205
276	if (geom == NULL)	206	if (geom == NULL)
277	return false;	207	return false;
278		208
279	char str[MAXLEN_GEOM];	209	char str[256];
280		210
281	while (isspace(*geom)) ++geom;
282	if ((p = strchr (geom, ';')) == NULL)
283	p = strchr (geom, '\0');	211	ops = strchr (geom, ':');
284		212	if (ops == NULL)
		213	n = strlen (geom);
		214	else
285	n = (p - geom);	215	n = ops - geom;
286	if (n < MAXLEN_GEOM)
287	{
288	char *ops;
289	new_flags |= geometrySet;
290		216
		217	if (n >= sizeof (str))
		218	return false;
		219
291	memcpy (str, geom, n);	220	memcpy (str, geom, n);
292	str[n] = '\0';	221	str[n] = '\0';
293	if (str[0] == ':')	222	rxvt_strtrim (str);
294	ops = &str[0];
295	else if (str[0] != 'x' && str[0] != 'X' && isalpha(str[0]))
296	ops = &str[0];
297	else
298	{
299	char *tmp;
300	ops = strchr (str, ':');
301	if (ops != NULL)
302	{
303	for (tmp = ops-1; tmp >= str && isspace(*tmp); --tmp);
304	*(++tmp) = '\0';
305	if (ops == tmp) ++ops;
306	}
307	}
308		223
309	if (ops > str || ops == NULL)	224	if (str[0])
310	{	225	{
311	/* 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 */
312	geom_flags = XParseGeometry (str, &x, &y, &w, &h);	227	geom_flags = XParseGeometry (str, &x, &y, &w, &h);
313
314	if ((geom_flags & XValue) && !(geom_flags & YValue))
315	{
316	y = x;
317	geom_flags |= YValue;
318	}
319
320	if (flags & geometrySet)
321	{
322	/* new geometry is an adjustment to the old one ! */
323	if ((geom_flags & WidthValue) && (geom_flags & HeightValue))
324	{
325	if (w == 0 && h != 0)
326	{
327	w = h_scale;
328	h = (v_scale * h) / 100;
329	}
330	else if (h == 0 && w != 0)
331	{
332	w = (h_scale * w) / 100;
333	h = v_scale;
334	}
335	}
336	if (geom_flags & XValue)
337	{
338	if (str[0] != '=')
339	{
340	y += v_align;
341	x += h_align;
342	}
343	}
344	}
345	else /* setting up geometry from scratch */
346	{
347	if (!(geom_flags & XValue))
348	{
349	/* use default geometry - centered */
350	x = y = defaultAlign;
351	}
352	else if (!(geom_flags & YValue))
353	y = x;
354
355	if ((geom_flags & (WidthValue|HeightValue)) == 0)
356	{
357	/* use default geometry - scaled */
358	w = h = defaultScale;
359	}
360	else if (geom_flags & WidthValue)
361	{
362	if (!(geom_flags & HeightValue))
363	h = w;
364	}
365	else
366	w = h;
367	}
368	} /* done parsing geometry string */	228	} /* done parsing geometry string */
369	else if (!(flags & geometrySet))	229
370	{	230	if (!update)
371	/* default geometry - scaled and centered */	231	{
		232	if (!(geom_flags & XValue))
372	x = y = defaultAlign;	233	x = y = defaultAlign;
		234	else if (!(geom_flags & YValue))
		235	y = x;
		236
		237	if (!(geom_flags & (WidthValue|HeightValue)))
373	w = h = defaultScale;	238	w = h = defaultScale;
374	}	239	else if (!(geom_flags & HeightValue))
		240	h = w;
		241	else if (!(geom_flags & WidthValue))
		242	w = h;
375		243
376	if (!(flags & geometrySet))
377	geom_flags |= WidthValue|HeightValue|XValue|YValue;	244	geom_flags |= WidthValue|HeightValue|XValue|YValue;
		245	}
378		246
379	if (ops)	247	if (ops)
380	{	248	{
381	while (*ops)	249	char **arr = rxvt_strsplit (':', ops + 1);
		250
		251	for (int i = 0; arr[i]; i++)
382	{	252	{
383	while (*ops == ':' || isspace(*ops)) ++ops;	253	if (!strcasecmp (arr[i], "style=tiled"))
384
385	# define CHECK_GEOM_OPS(op_str) (strncasecmp (ops, (op_str), sizeof (op_str) - 1) == 0)
386	if (CHECK_GEOM_OPS ("tile"))
387	{	254	{
		255	new_flags = BG_TILE;
388	w = h = noScale;	256	w = h = noScale;
389	geom_flags |= WidthValue|HeightValue;	257	x = y = 0;
390	}
391	else if (CHECK_GEOM_OPS ("propscale"))
392	{
393	if (w == 0 && h == 0)
394	{
395	w = windowScale;
396	geom_flags |= WidthValue;
397	}
398	new_flags |= propScale;
399	}
400	else if (CHECK_GEOM_OPS ("hscale"))
401	{
402	if (w == 0) w = windowScale;
403
404	h = noScale;
405	geom_flags |= WidthValue|HeightValue;
406	}
407	else if (CHECK_GEOM_OPS ("vscale"))
408	{
409	if (h == 0) h = windowScale;
410
411	w = noScale;
412	geom_flags |= WidthValue|HeightValue;
413	}
414	else if (CHECK_GEOM_OPS ("scale"))
415	{
416	if (h == 0) h = windowScale;
417	if (w == 0) w = windowScale;
418
419	geom_flags |= WidthValue|HeightValue;
420	}
421	else if (CHECK_GEOM_OPS ("auto"))
422	{
423	w = h = windowScale;
424	x = y = centerAlign;
425	geom_flags |= WidthValue|HeightValue|XValue|YValue;	258	geom_flags = WidthValue|HeightValue|XValue|YValue;
426	}	259	}
427	else if (CHECK_GEOM_OPS ("root"))	260	else if (!strcasecmp (arr[i], "style=aspect-stretched"))
428	{	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;
429	w = h = noScale;	275	w = h = noScale;
430	x = y = rootAlign;	276	x = y = centerAlign;
431	geom_flags |= WidthValue|HeightValue|XValue|YValue;	277	geom_flags = WidthValue|HeightValue|XValue|YValue;
432	}	278	}
433	# undef CHECK_GEOM_OPS	279	else if (!strcasecmp (arr[i], "style=root-tiled"))
		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;
434		291
435	while (*ops != ':' && *ops != '\0') ++ops;	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	}
436	} /* done parsing ops */	316	} /* done parsing ops */
437	}
438		317
		318	rxvt_free_strsplit (arr);
		319	}
		320
439	if (check_set_scale_value (geom_flags, WidthValue, h_scale, w)) ++changed;	321	if (check_set_scale_value (geom_flags, WidthValue, h_scale, w)) changed = true;
440	if (check_set_scale_value (geom_flags, HeightValue, v_scale, h)) ++changed;	322	if (check_set_scale_value (geom_flags, HeightValue, v_scale, h)) changed = true;
441	if (check_set_align_value (geom_flags, XValue, h_align, x)) ++changed;	323	if (check_set_align_value (geom_flags, XValue, h_align, x)) changed = true;
442	if (check_set_align_value (geom_flags, YValue, v_align, y)) ++changed;	324	if (check_set_align_value (geom_flags, YValue, v_align, y)) changed = true;
443	}
444		325
445	if (new_flags != flags)	326	if (new_flags != bg_flags)
446	{	327	{
447	flags = new_flags;	328	bg_flags = new_flags;
448	changed++;	329	changed = true;
449	}	330	}
450		331
451	//fprintf (stderr, "flags = %lX, scale = %ux%u, align=%+d%+d\n",
452	// flags, h_scale, v_scale, h_align, v_align);
453	return (changed > 0);	332	return changed;
454	}	333	}
455		334
456	void	335	void
457	bgPixmap_t::get_image_geometry (int image_width, int image_height, int &w, int &h, int &x, int &y)	336	rxvt_term::get_image_geometry (int image_width, int image_height, int &w, int &h, int &x, int &y)
458	{	337	{
459	int target_width = target->szHint.width;	338	int target_width = szHint.width;
460	int target_height = target->szHint.height;	339	int target_height = szHint.height;
461		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	{
462	w = h_scale * target_width / 100;	350	w = h_scale * target_width / 100;
463	h = v_scale * target_height / 100;	351	h = v_scale * target_height / 100;
464
465	if (h_align == rootAlign || v_align == rootAlign)
466	{	352	}
467	target->get_window_origin (x, y);	353
468	x = -x;	354	if (!w) w = image_width;
469	y = -y;	355	if (!h) h = image_height;
		356
		357	if (bg_flags & BG_ROOT_ALIGN)
470	}	358	{
471		359	x = -target_x;
472	if (h_align != rootAlign)	360	y = -target_y;
		361	}
		362	else
		363	{
473	x = make_align_position (h_align, target_width, w > 0 ? w : image_width);	364	x = make_align_position (h_align, target_width, w);
474
475	if (v_align != rootAlign)
476	y = make_align_position (v_align, target_height, h > 0 ? h : image_height);	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;
477	}	374	}
478		375
479	# ifdef HAVE_AFTERIMAGE	376	# ifdef HAVE_AFTERIMAGE
480	bool	377	bool
481	bgPixmap_t::render_image (unsigned long background_flags)	378	rxvt_term::render_image (unsigned long tr_flags)
482	{	379	{
483	if (target == NULL)
484	return false;
485
486	target->init_asv ();	380	init_asv ();
487		381
488	ASImage *background = NULL;	382	ASImage *background = NULL;
489	ARGB32 background_tint = TINT_LEAVE_SAME;	383	ARGB32 background_tint = TINT_LEAVE_SAME;
490		384
491	# ifdef ENABLE_TRANSPARENCY	385	# ifdef ENABLE_TRANSPARENCY
492	if (background_flags)	386	if (tr_flags)
493	background = pixmap2ximage (target->asv, pixmap, 0, 0, pmap_width, pmap_height, AllPlanes, 100);	387	background = pixmap2ximage (asv, bg_pixmap, 0, 0, bg_pmap_width, bg_pmap_height, AllPlanes, 100);
494		388
495	if (!(background_flags & transpPmapTinted) && (flags & tintNeeded))	389	if (tr_flags & BG_NEEDS_TINT)
496	{	390	{
497	ShadingInfo as_shade;	391	ShadingInfo as_shade;
498	as_shade.shading = (shade == 0) ? 100 : shade;	392	as_shade.shading = shade;
499		393
500	rgba c (rgba::MAX_CC,rgba::MAX_CC,rgba::MAX_CC);	394	rgba c (rgba::MAX_CC,rgba::MAX_CC,rgba::MAX_CC);
501	if (flags & tintSet)	395	if (bg_flags & BG_TINT_SET)
502	tint.get (c);	396	tint.get (c);
503	as_shade.tintColor.red = c.r;	397	as_shade.tintColor.red = c.r;
504	as_shade.tintColor.green = c.g;	398	as_shade.tintColor.green = c.g;
505	as_shade.tintColor.blue = c.b;	399	as_shade.tintColor.blue = c.b;
506		400
507	background_tint = shading2tint32 (&as_shade);	401	background_tint = shading2tint32 (&as_shade);
508	}	402	}
509		403
510	if (!(background_flags & transpPmapBlured) && (flags & blurNeeded) && background != NULL)	404	if ((tr_flags & BG_NEEDS_BLUR) && background != NULL)
511	{	405	{
512	ASImage *tmp = blur_asimage_gauss (target->asv, background, h_blurRadius, v_blurRadius, 0xFFFFFFFF,	406	ASImage *tmp = blur_asimage_gauss (asv, background, h_blurRadius, v_blurRadius, 0xFFFFFFFF,
513	(original_asim == NULL || tint == TINT_LEAVE_SAME) ? ASA_XImage : ASA_ASImage,	407	(original_asim == NULL || tint == TINT_LEAVE_SAME) ? ASA_XImage : ASA_ASImage,
514	100, ASIMAGE_QUALITY_DEFAULT);	408	100, ASIMAGE_QUALITY_DEFAULT);
515	if (tmp)	409	if (tmp)
516	{	410	{
517	destroy_asimage (&background);	411	destroy_asimage (&background);
…		…
520	}	414	}
521	# endif	415	# endif
522		416
523	ASImage *result = 0;	417	ASImage *result = 0;
524		418
525	int target_width = target->szHint.width;	419	int target_width = szHint.width;
526	int target_height = target->szHint.height;	420	int target_height = szHint.height;
527	int new_pmap_width = target_width;	421	int new_pmap_width = target_width;
528	int new_pmap_height = target_height;	422	int new_pmap_height = target_height;
529		423
530	int x = 0;	424	int x = 0;
531	int y = 0;	425	int y = 0;
532	int w = 0;	426	int w = 0;
533	int h = 0;	427	int h = 0;
534		428
535	TIMING_TEST_START (asim);
536
537	if (original_asim)	429	if (original_asim)
538	get_image_geometry (original_asim->width, original_asim->height, w, h, x, y);	430	get_image_geometry (original_asim->width, original_asim->height, w, h, x, y);
539		431
540	if (!original_asim	432	if (!original_asim
		433	|| (!(bg_flags & BG_ROOT_ALIGN)
541	|| x >= target_width	434	&& (x >= target_width
542	|| y >= target_height	435	|| y >= target_height
543	|| (w > 0 && x + w <= 0)	436	|| (x + w <= 0)
544	|| (h > 0 && y + h <= 0))	437	|| (y + h <= 0))))
545	{	438	{
546	if (background)	439	if (background)
547	{	440	{
548	new_pmap_width = background->width;	441	new_pmap_width = background->width;
549	new_pmap_height = background->height;	442	new_pmap_height = background->height;
550	result = background;	443	result = background;
551		444
552	if (background_tint != TINT_LEAVE_SAME)	445	if (background_tint != TINT_LEAVE_SAME)
553	{	446	{
554	ASImage *tmp = tile_asimage (target->asv, background, 0, 0,	447	ASImage *tmp = tile_asimage (asv, background, 0, 0,
555	target_width, target_height, background_tint,	448	target_width, target_height, background_tint,
556	ASA_XImage, 100, ASIMAGE_QUALITY_DEFAULT);	449	ASA_XImage, 100, ASIMAGE_QUALITY_DEFAULT);
557	if (tmp)	450	if (tmp)
558	result = tmp;	451	result = tmp;
559	}	452	}
…		…
563	}	456	}
564	else	457	else
565	{	458	{
566	result = original_asim;	459	result = original_asim;
567		460
568	if ((w > 0 && w != original_asim->width)	461	if ((w != original_asim->width)
569	|| (h > 0 && h != original_asim->height))	462	|| (h != original_asim->height))
570	{	463	{
571	result = scale_asimage (target->asv, original_asim,	464	result = scale_asimage (asv, original_asim,
572	w > 0 ? w : original_asim->width,	465	w, h,
573	h > 0 ? h : original_asim->height,
574	background ? ASA_ASImage : ASA_XImage,	466	background ? ASA_ASImage : ASA_XImage,
575	100, ASIMAGE_QUALITY_DEFAULT);	467	100, ASIMAGE_QUALITY_DEFAULT);
576	}	468	}
577		469
578	if (background == NULL)	470	if (background == NULL)
579	{	471	{
580	if (h_scale == 0 || v_scale == 0)	472	if (bg_flags & BG_TILE)
581	{	473	{
582	/* if tiling - pixmap has to be sized exactly as the image,	474	/* if tiling - pixmap has to be sized exactly as the image,
583	but there is no need to make it bigger than the window! */	475	but there is no need to make it bigger than the window! */
584	new_pmap_width = min (result->width, target_width);	476	new_pmap_width = min (result->width, target_width);
585	new_pmap_height = min (result->height, target_height);	477	new_pmap_height = min (result->height, target_height);
586		478
587	/* we also need to tile our image in both directions */	479	/* we also need to tile our image in both directions */
588	ASImage *tmp = tile_asimage (target->asv, result,	480	ASImage *tmp = tile_asimage (asv, result,
589	(int)result->width - x,	481	(int)result->width - x,
590	(int)result->height - y,	482	(int)result->height - y,
591	new_pmap_width,	483	new_pmap_width,
592	new_pmap_height,	484	new_pmap_height,
593	TINT_LEAVE_SAME, ASA_XImage,	485	TINT_LEAVE_SAME, ASA_XImage,
…		…
610	layers[0].clip_width = target_width;	502	layers[0].clip_width = target_width;
611	layers[0].clip_height = target_height;	503	layers[0].clip_height = target_height;
612	layers[0].tint = background_tint;	504	layers[0].tint = background_tint;
613	layers[1].im = result;	505	layers[1].im = result;
614		506
615	if (w <= 0)	507	if (bg_flags & BG_TILE)
616	{	508	{
617	/* tile horizontally */	509	/* tile horizontally */
618	while (x > 0) x -= (int)result->width;	510	while (x > 0) x -= (int)result->width;
619	layers[1].dst_x = x;	511	layers[1].dst_x = x;
620	layers[1].clip_width = result->width+target_width;	512	layers[1].clip_width = result->width+target_width;
…		…
624	/* clip horizontally */	516	/* clip horizontally */
625	layers[1].dst_x = x;	517	layers[1].dst_x = x;
626	layers[1].clip_width = result->width;	518	layers[1].clip_width = result->width;
627	}	519	}
628		520
629	if (h <= 0)	521	if (bg_flags & BG_TILE)
630	{	522	{
631	while (y > 0) y -= (int)result->height;	523	while (y > 0) y -= (int)result->height;
632	layers[1].dst_y = y;	524	layers[1].dst_y = y;
633	layers[1].clip_height = result->height + target_height;	525	layers[1].clip_height = result->height + target_height;
634	}	526	}
…		…
636	{	528	{
637	layers[1].dst_y = y;	529	layers[1].dst_y = y;
638	layers[1].clip_height = result->height;	530	layers[1].clip_height = result->height;
639	}	531	}
640		532
641	if (target->rs[Rs_blendtype])	533	if (rs[Rs_blendtype])
642	{	534	{
643	layers[1].merge_scanlines = blend_scanlines_name2func (target->rs[Rs_blendtype]);	535	layers[1].merge_scanlines = blend_scanlines_name2func (rs[Rs_blendtype]);
644	if (layers[1].merge_scanlines == NULL)	536	if (layers[1].merge_scanlines == NULL)
645	layers[1].merge_scanlines = alphablend_scanlines;	537	layers[1].merge_scanlines = alphablend_scanlines;
646	}	538	}
647		539
648	ASImage *tmp = merge_layers (target->asv, layers, 2, target_width, target_height,	540	ASImage *tmp = merge_layers (asv, layers, 2, target_width, target_height,
649	ASA_XImage, 0, ASIMAGE_QUALITY_DEFAULT);	541	ASA_XImage, 0, ASIMAGE_QUALITY_DEFAULT);
650		542
651	if (tmp)	543	if (tmp)
652	{	544	{
653	if (result != original_asim)	545	if (result != original_asim)
…		…
657	}	549	}
658		550
659	free (layers);	551	free (layers);
660	}	552	}
661	}	553	}
662	TIMING_TEST_PRINT_RESULT (asim);
663		554
664	bool ret = false;	555	bool ret = false;
665		556
666	if (result)	557	if (result)
667	{	558	{
668	XGCValues gcv;	559	XGCValues gcv;
669	GC gc;	560	GC gc;
670		561
671	if (pixmap)
672	{
673	if (pmap_width != new_pmap_width
674	|| pmap_height != new_pmap_height
675	|| pmap_depth != target->depth)
676	{
677	XFreePixmap (target->dpy, pixmap);
678	pixmap = None;
679	}
680	}
681
682	/* create Pixmap */	562	/* create Pixmap */
683	if (pixmap == None)	563	if (bg_pixmap == None
		564	|| bg_pmap_width != new_pmap_width
		565	|| bg_pmap_height != new_pmap_height)
684	{	566	{
		567	if (bg_pixmap)
		568	XFreePixmap (dpy, bg_pixmap);
685	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);
686	pmap_width = new_pmap_width;	570	bg_pmap_width = new_pmap_width;
687	pmap_height = new_pmap_height;	571	bg_pmap_height = new_pmap_height;
688	pmap_depth = target->depth;
689	}	572	}
690	/* fill with background color (if result's not completely overlapping it) */	573	/* fill with background color (if result's not completely overlapping it) */
691	gcv.foreground = target->pix_colors[Color_bg];	574	gcv.foreground = pix_colors[Color_bg];
692	gc = XCreateGC (target->dpy, target->vt, GCForeground, &gcv);	575	gc = XCreateGC (dpy, vt, GCForeground, &gcv);
693		576
694	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;
695	int dst_width = result->width, dst_height = result->height;	578	int dst_width = result->width, dst_height = result->height;
696	if (background == NULL)	579	if (background == NULL)
697	{	580	{
698	if (!(h_scale == 0 || v_scale == 0))	581	if (!(bg_flags & BG_TILE))
699	{	582	{
700	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 );
701	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);
702	}	585	}
703		586
704	if (dst_x > 0 || dst_y > 0	587	if (dst_x > 0 || dst_y > 0
705	|| dst_x + dst_width < new_pmap_width	588	|| dst_x + dst_width < new_pmap_width
706	|| dst_y + dst_height < new_pmap_height)	589	|| dst_y + dst_height < new_pmap_height)
707	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);
708	}	591	}
709		592
710	/* put result on pixmap */	593	/* put result on pixmap */
711	if (dst_x < new_pmap_width && dst_y < new_pmap_height)	594	if (dst_x < new_pmap_width && dst_y < new_pmap_height)
712	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);
713		596
714	if (result != background && result != original_asim)	597	if (result != background && result != original_asim)
715	destroy_asimage (&result);	598	destroy_asimage (&result);
716		599
717	XFreeGC (target->dpy, gc);	600	XFreeGC (dpy, gc);
718	TIMING_TEST_PRINT_RESULT (asim);
719		601
720	ret = true;	602	ret = true;
721	}	603	}
722		604
723	if (background)	605	if (background)
…		…
727	}	609	}
728	# endif /* HAVE_AFTERIMAGE */	610	# endif /* HAVE_AFTERIMAGE */
729		611
730	# ifdef HAVE_PIXBUF	612	# ifdef HAVE_PIXBUF
731	bool	613	bool
732	bgPixmap_t::render_image (unsigned long background_flags)	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)
733	{	617	{
734	if (target == NULL)	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)
735	return false;	628	return false;
736		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)
		658	{
		659	free (data);
		660	return false;
		661	}
		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);
		693	return true;
		694	}
		695
		696	bool
		697	rxvt_term::render_image (unsigned long tr_flags)
		698	{
737	if (!pixbuf)	699	if (!pixbuf)
738	return false;	700	return false;
739		701
740	// TODO: add alpha blending	702	if (tr_flags
741	if (background_flags)	703	&& !(bg_flags & BG_HAS_RENDER))
742	return false;	704	return false;
743		705
744	GdkPixbuf *result;	706	GdkPixbuf *result;
745		707
746	int image_width = gdk_pixbuf_get_width (pixbuf);	708	int image_width = gdk_pixbuf_get_width (pixbuf);
747	int image_height = gdk_pixbuf_get_height (pixbuf);	709	int image_height = gdk_pixbuf_get_height (pixbuf);
748		710
749	int target_width = target->szHint.width;	711	int target_width = szHint.width;
750	int target_height = target->szHint.height;	712	int target_height = szHint.height;
751	int new_pmap_width = target_width;	713	int new_pmap_width = target_width;
752	int new_pmap_height = target_height;	714	int new_pmap_height = target_height;
753		715
754	int x = 0;	716	int x = 0;
755	int y = 0;	717	int y = 0;
756	int w = 0;	718	int w = 0;
757	int h = 0;	719	int h = 0;
758		720
759	get_image_geometry (image_width, image_height, w, h, x, y);	721	get_image_geometry (image_width, image_height, w, h, x, y);
760		722
		723	if (!(bg_flags & BG_ROOT_ALIGN)
761	if (x >= target_width	724	&& (x >= target_width
762	|| y >= target_height	725	|| y >= target_height
763	|| (w > 0 && x + w <= 0)	726	|| (x + w <= 0)
764	|| (h > 0 && y + h <= 0))	727	|| (y + h <= 0)))
765	return false;	728	return false;
766		729
767	result = pixbuf;	730	result = pixbuf;
768		731
769	if ((w > 0 && w != image_width)	732	if ((w != image_width)
770	|| (h > 0 && h != image_height))	733	|| (h != image_height))
771	{	734	{
772	result = gdk_pixbuf_scale_simple (pixbuf,	735	result = gdk_pixbuf_scale_simple (pixbuf,
773	w > 0 ? w : image_width,	736	w, h,
774	h > 0 ? h : image_height,
775	GDK_INTERP_BILINEAR);	737	GDK_INTERP_BILINEAR);
776	}	738	}
777		739
		740	if (!result)
		741	return false;
		742
778	bool ret = false;	743	bool ret = false;
779		744
780	if (result)
781	{
782	XGCValues gcv;	745	XGCValues gcv;
783	GC gc;	746	GC gc;
		747	Pixmap root_pmap;
784		748
785	image_width = gdk_pixbuf_get_width (result);	749	image_width = gdk_pixbuf_get_width (result);
786	image_height = gdk_pixbuf_get_height (result);	750	image_height = gdk_pixbuf_get_height (result);
787		751
788	if (h_scale == 0 || v_scale == 0)	752	if (tr_flags)
		753	{
		754	root_pmap = bg_pixmap;
		755	bg_pixmap = None;
		756	}
		757	else
		758	{
		759	if (bg_flags & BG_TILE)
789	{	760	{
790	new_pmap_width = min (image_width, target_width);	761	new_pmap_width = min (image_width, target_width);
791	new_pmap_height = min (image_height, target_height);	762	new_pmap_height = min (image_height, target_height);
792	}	763	}
		764	}
793		765
		766	if (bg_pixmap == None
		767	|| bg_pmap_width != new_pmap_width
		768	|| bg_pmap_height != new_pmap_height)
		769	{
794	if (pixmap)	770	if (bg_pixmap)
795	{
796	if (pmap_width != new_pmap_width
797	|| pmap_height != new_pmap_height
798	|| pmap_depth != target->depth)
799	{
800	XFreePixmap (target->dpy, pixmap);	771	XFreePixmap (dpy, bg_pixmap);
801	pixmap = None;
802	}
803	}
804
805	if (pixmap == None)
806	{
807	pixmap = XCreatePixmap (target->dpy, target->vt, new_pmap_width, new_pmap_height, target->depth);	772	bg_pixmap = XCreatePixmap (dpy, vt, new_pmap_width, new_pmap_height, depth);
808	pmap_width = new_pmap_width;	773	bg_pmap_width = new_pmap_width;
809	pmap_height = new_pmap_height;	774	bg_pmap_height = new_pmap_height;
810	pmap_depth = target->depth;	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)
811	}	783	{
812
813	gcv.foreground = target->pix_colors[Color_bg];
814	gc = XCreateGC (target->dpy, target->vt, GCForeground, &gcv);
815
816	if (h_scale == 0 || v_scale == 0)
817	{
818	Pixmap tile = XCreatePixmap (target->dpy, target->vt, image_width, image_height, target->depth);	784	Pixmap tile = XCreatePixmap (dpy, vt, image_width, image_height, depth);
819	gdk_pixbuf_xlib_render_to_drawable (result, tile, gc,	785	pixbuf_to_pixmap (result, tile, gc,
820	0, 0,	786	0, 0,
821	0, 0,	787	0, 0,
822	image_width, image_height,	788	image_width, image_height);
823	XLIB_RGB_DITHER_NONE,
824	0, 0);
825		789
826	gcv.tile = tile;	790	gcv.tile = tile;
827	gcv.fill_style = FillTiled;	791	gcv.fill_style = FillTiled;
828	gcv.ts_x_origin = x;	792	gcv.ts_x_origin = x;
829	gcv.ts_y_origin = y;	793	gcv.ts_y_origin = y;
830	XChangeGC (target->dpy, gc, GCFillStyle | GCTile | GCTileStipXOrigin | GCTileStipYOrigin, &gcv);	794	XChangeGC (dpy, gc, GCFillStyle | GCTile | GCTileStipXOrigin | GCTileStipYOrigin, &gcv);
831		795
832	XFillRectangle (target->dpy, pixmap, gc, 0, 0, new_pmap_width, new_pmap_height);	796	XFillRectangle (dpy, bg_pixmap, gc, 0, 0, new_pmap_width, new_pmap_height);
833	XFreePixmap (target->dpy, tile);	797	XFreePixmap (dpy, tile);
834	}	798	}
835	else	799	else
836	{	800	{
837	int src_x, src_y, dst_x, dst_y;	801	int src_x, src_y, dst_x, dst_y;
838	int dst_width, dst_height;	802	int dst_width, dst_height;
…		…
841	src_y = make_clip_rectangle (y, image_height, new_pmap_height, dst_y, dst_height);	805	src_y = make_clip_rectangle (y, image_height, new_pmap_height, dst_y, dst_height);
842		806
843	if (dst_x > 0 || dst_y > 0	807	if (dst_x > 0 || dst_y > 0
844	|| dst_x + dst_width < new_pmap_width	808	|| dst_x + dst_width < new_pmap_width
845	|| dst_y + dst_height < new_pmap_height)	809	|| dst_y + dst_height < new_pmap_height)
846	XFillRectangle (target->dpy, pixmap, gc, 0, 0, new_pmap_width, new_pmap_height);	810	XFillRectangle (dpy, bg_pixmap, gc, 0, 0, new_pmap_width, new_pmap_height);
847		811
848	if (dst_x < new_pmap_width && dst_y < new_pmap_height)	812	if (dst_x < new_pmap_width && dst_y < new_pmap_height)
849	gdk_pixbuf_xlib_render_to_drawable (result, pixmap, gc,	813	pixbuf_to_pixmap (result, bg_pixmap, gc,
850	src_x, src_y,	814	src_x, src_y,
851	dst_x, dst_y,	815	dst_x, dst_y,
852	dst_width, dst_height,	816	dst_width, dst_height);
853	XLIB_RGB_DITHER_NONE,	817	}
854	0, 0);	818
		819	#if XRENDER
		820	if (tr_flags)
855	}	821	{
		822	XRenderPictureAttributes pa;
856		823
857	if (result != pixbuf)	824	XRenderPictFormat *src_format = XRenderFindVisualFormat (dpy, visual);
858	g_object_unref (result);	825	Picture src = XRenderCreatePicture (dpy, root_pmap, src_format, 0, &pa);
859		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
860	XFreeGC (target->dpy, gc);	851	XFreeGC (dpy, gc);
861		852
862	ret = true;	853	ret = true;
863	}	854	}
864		855
		856	if (result != pixbuf)
		857	g_object_unref (result);
		858
		859	if (tr_flags)
		860	XFreePixmap (dpy, root_pmap);
		861
865	return ret;	862	return ret;
866	}	863	}
867	# endif /* HAVE_PIXBUF */	864	# endif /* HAVE_PIXBUF */
868		865
869	bool	866	bool
870	bgPixmap_t::set_file (const char *file)	867	rxvt_term::bg_set_file (const char *file)
871	{	868	{
872	assert (file);	869	if (!file || !*file)
		870	return false;
873		871
874	if (*file)
875	{
876	if (const char *p = strchr (file, ';'))	872	if (const char *p = strchr (file, ';'))
877	{	873	{
878	size_t len = p - file;	874	size_t len = p - file;
879	char *f = rxvt_temp_buf<char> (len + 1);	875	char *f = rxvt_temp_buf<char> (len + 1);
880	memcpy (f, file, len);	876	memcpy (f, file, len);
881	f[len] = '\0';	877	f[len] = '\0';
882	file = f;	878	file = f;
883	}	879	}
884		880
885	# ifdef HAVE_AFTERIMAGE	881	# ifdef HAVE_AFTERIMAGE
886	if (!target->asimman)	882	if (!asimman)
887	target->asimman = create_generic_imageman (target->rs[Rs_path]);	883	asimman = create_generic_imageman (rs[Rs_path]);
888	original_asim = get_asimage (target->asimman, file, 0xFFFFFFFF, 100);	884	ASImage *image = get_asimage (asimman, file, 0xFFFFFFFF, 100);
		885	if (image)
		886	{
889	if (original_asim)	887	if (original_asim)
890	have_image = true;	888	safe_asimage_destroy (original_asim);
891	return have_image;	889	original_asim = image;
		890	bg_flags |= BG_IS_FROM_FILE | BG_CLIENT_RENDER;
		891	return true;
		892	}
892	# endif	893	# endif
893		894
894	# ifdef HAVE_PIXBUF	895	# ifdef HAVE_PIXBUF
895	pixbuf = gdk_pixbuf_new_from_file (file, NULL);	896	GdkPixbuf *image = gdk_pixbuf_new_from_file (file, NULL);
		897	if (image)
		898	{
896	if (pixbuf)	899	if (pixbuf)
897	have_image = true;	900	g_object_unref (pixbuf);
898	return have_image;	901	pixbuf = image;
		902	bg_flags |= BG_IS_FROM_FILE;
		903	return true;
		904	}
899	# endif	905	# endif
900	}
901		906
902	return false;	907	return false;
903	}	908	}
904		909
905	# endif /* BG_IMAGE_FROM_FILE */	910	# endif /* BG_IMAGE_FROM_FILE */
906		911
907	# ifdef ENABLE_TRANSPARENCY	912	# ifdef ENABLE_TRANSPARENCY
908	bool	913	bool
909	bgPixmap_t::set_transparent ()	914	rxvt_term::bg_set_transparent ()
910	{	915	{
911	if (!(flags & isTransparent))	916	if (!(bg_flags & BG_IS_TRANSPARENT))
912	{	917	{
913	flags |= isTransparent;	918	bg_flags |= BG_IS_TRANSPARENT;
914	return true;	919	return true;
915	}	920	}
916		921
917	return false;	922	return false;
918	}	923	}
919		924
920	bool	925	bool
921	bgPixmap_t::set_blur_radius (const char *geom)	926	rxvt_term::bg_set_blur (const char *geom)
922	{	927	{
923	int changed = 0;	928	bool changed = false;
924	unsigned int hr, vr;	929	unsigned int hr, vr;
925	int junk;	930	int junk;
926	int geom_flags = XParseGeometry (geom, &junk, &junk, &hr, &vr);	931	int geom_flags = XParseGeometry (geom, &junk, &junk, &hr, &vr);
927		932
928	if (!(geom_flags & WidthValue))	933	if (!(geom_flags & WidthValue))
929	hr = 1;	934	hr = 1;
930	if (!(geom_flags & HeightValue))	935	if (!(geom_flags & HeightValue))
931	vr = hr;	936	vr = hr;
932		937
		938	min_it (hr, 128);
		939	min_it (vr, 128);
		940
933	if (h_blurRadius != hr)	941	if (h_blurRadius != hr)
934	{	942	{
935	++changed;	943	changed = true;
936	h_blurRadius = hr;	944	h_blurRadius = hr;
937	}	945	}
938		946
939	if (v_blurRadius != vr)	947	if (v_blurRadius != vr)
940	{	948	{
941	++changed;	949	changed = true;
942	v_blurRadius = vr;	950	v_blurRadius = vr;
943	}	951	}
944		952
945	if (v_blurRadius == 0 && h_blurRadius == 0)	953	if (v_blurRadius == 0 && h_blurRadius == 0)
946	flags &= ~blurNeeded;	954	bg_flags &= ~BG_NEEDS_BLUR;
947	else	955	else
948	flags |= blurNeeded;	956	bg_flags |= BG_NEEDS_BLUR;
949		957
950	return (changed > 0);	958	return changed;
951	}	959	}
952		960
953	static inline unsigned long	961	void
954	compute_tint_shade_flags (rxvt_color *tint, int shade)	962	rxvt_term::set_tint_shade_flags ()
955	{	963	{
956	unsigned long flags = 0;
957	rgba c (rgba::MAX_CC,rgba::MAX_CC,rgba::MAX_CC);	964	rgba c (rgba::MAX_CC,rgba::MAX_CC,rgba::MAX_CC);
958	bool has_shade = (shade > 0 && shade < 100) || (shade > 100 && shade < 200);	965	bool has_shade = shade != 100;
959		966
960	if (tint)	967	bg_flags &= ~BG_TINT_FLAGS;
		968
		969	if (bg_flags & BG_TINT_SET)
961	{	970	{
962	tint->get (c);	971	tint.get (c);
963	# define IS_COMPONENT_WHOLESOME(cmp) ((cmp) <= 0x000700 || (cmp) >= 0x00f700)
964	if (!has_shade && IS_COMPONENT_WHOLESOME (c.r)
965	&& IS_COMPONENT_WHOLESOME (c.g)
966	&& IS_COMPONENT_WHOLESOME (c.b))
967	flags |= bgPixmap_t::tintWholesome;
968	# undef IS_COMPONENT_WHOLESOME
969	}
970
971	if (has_shade)	972	if (!has_shade
972	flags |= bgPixmap_t::tintNeeded;	973	&& (c.r <= 0x00ff || c.r >= 0xff00)
973	else if (tint)	974	&& (c.g <= 0x00ff || c.g >= 0xff00)
		975	&& (c.b <= 0x00ff || c.b >= 0xff00))
		976	bg_flags |= BG_TINT_BITAND;
974	{	977	}
975	if ((c.r > 0x000700 || c.g > 0x000700 || c.b > 0x000700)	978
976	&& (c.r < 0x00f700 || c.g < 0x00f700 || c.b < 0x00f700))	979	if (has_shade || (bg_flags & BG_TINT_SET))
977	{	980	bg_flags |= BG_NEEDS_TINT;
978	flags |= bgPixmap_t::tintNeeded;	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)
979	}	1057	{
980	}	1058	size = h_blurRadius * 2 + 1;
		1059	get_gaussian_kernel (h_blurRadius, size, kernel, params);
981		1060
982	if (flags & bgPixmap_t::tintNeeded)	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);
		1071	}
		1072
		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;
983	{	1092	}
984	if (flags & bgPixmap_t::tintWholesome)	1093
985	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	}
986	else	1140	else
987	{	1141	{
988	#if XFT	1142	c.r = c.r * (200 - shade) / 100;
989	flags |= bgPixmap_t::tintServerSide;	1143	c.g = c.g * (200 - shade) / 100;
990	#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)
991	}	1180	{
992	}	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);
993		1184
994	return flags;	1185	XRenderComposite (dpy, PictOpOver, overlay_pic, None, back_pic, 0, 0, 0, 0, 0, 0, width, height);
995	}	1186	}
996		1187
997	bool
998	bgPixmap_t::set_tint (rxvt_color &new_tint)
999	{
1000	if (tint != new_tint)
1001	{
1002	unsigned long new_flags = compute_tint_shade_flags (&new_tint, shade);
1003	tint = new_tint;
1004	flags = (flags & ~tintFlags) | new_flags | tintSet;
1005	return true;	1188	ret = true;
1006	}
1007		1189
1008	return false;	1190	XRenderFreePicture (dpy, mask_pic);
1009	}	1191	XRenderFreePicture (dpy, overlay_pic);
1010		1192	XRenderFreePicture (dpy, back_pic);
1011	bool	1193	# endif
1012	bgPixmap_t::unset_tint ()
1013	{
1014	unsigned long new_flags = compute_tint_shade_flags (NULL, shade);
1015
1016	if (new_flags != (flags & tintFlags))
1017	{	1194	}
1018	flags = (flags & ~tintFlags) | new_flags;
1019	return true;
1020	}
1021		1195
1022	return false;	1196	return ret;
1023	}	1197	}
1024		1198
1025	bool	1199	/*
1026	bgPixmap_t::set_shade (const char *shade_str)	1200	* Builds a pixmap of the same size as the terminal window that contains
1027	{
1028	int new_shade = (shade_str) ? atoi (shade_str) : 0;
1029
1030	if (new_shade < 0 && new_shade > -100)
1031	new_shade = 200 - (100 + new_shade);
1032	else if (new_shade == 100)
1033	new_shade = 0;
1034
1035	if (new_shade != shade)
1036	{
1037	unsigned long new_flags = compute_tint_shade_flags ((flags & tintSet) ? &tint : NULL, new_shade);
1038	shade = new_shade;
1039	flags = (flags & (~tintFlags | tintSet)) | new_flags;
1040	return true;
1041	}
1042
1043	return false;
1044	}
1045
1046	/* make_transparency_pixmap()
1047	* Builds a pixmap sized the same as terminal window, with depth same as the root window
1048	* 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
1049	* our window.	1202	* our window.
1050	*/	1203	*/
1051	unsigned long	1204	unsigned long
1052	bgPixmap_t::make_transparency_pixmap ()	1205	rxvt_term::make_transparency_pixmap ()
1053	{	1206	{
1054	unsigned long result = 0;	1207	unsigned long result = 0;
1055
1056	if (target == NULL)
1057	return 0;
1058		1208
1059	/* root dimensions may change from call to call - but Display structure should	1209	/* root dimensions may change from call to call - but Display structure should
1060	* be always up-to-date, so let's use it :	1210	* be always up-to-date, so let's use it :
1061	*/	1211	*/
1062	Window root = target->display->root;
1063	int screen = target->display->screen;	1212	int screen = display->screen;
1064	Display *dpy = target->dpy;	1213	int root_depth = DefaultDepth (dpy, screen);
1065	int root_width = DisplayWidth (dpy, screen);	1214	int root_width = DisplayWidth (dpy, screen);
1066	int root_height = DisplayHeight (dpy, screen);	1215	int root_height = DisplayHeight (dpy, screen);
1067	unsigned int root_pmap_width, root_pmap_height;	1216	unsigned int root_pmap_width, root_pmap_height;
1068	int window_width = target->szHint.width;	1217	int window_width = szHint.width;
1069	int window_height = target->szHint.height;	1218	int window_height = szHint.height;
1070	int sx, sy;	1219	int sx, sy;
1071	XGCValues gcv;	1220	XGCValues gcv;
		1221	GC gc;
1072		1222
1073	TIMING_TEST_START (tp);	1223	sx = target_x;
1074	target->get_window_origin (sx, sy);	1224	sy = target_y;
1075		1225
1076	/* 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 : */
1077	if (sx + window_width <= 0 || sy + window_height <= 0	1227	if (sx + window_width <= 0 || sy + window_height <= 0
1078	|| sx >= root_width || sy >= root_height)	1228	|| sx >= root_width || sy >= root_height)
1079	return 0;	1229	return 0;
1080		1230
		1231	// validate root pixmap and get its size
1081	if (root_pixmap != None)	1232	if (root_pixmap != None)
1082	{	1233	{
1083	/* we want to validate the pixmap and get it's size at the same time : */	1234	Window wdummy;
1084	int junk;	1235	int idummy;
1085	unsigned int ujunk;	1236	unsigned int udummy;
1086	/* root pixmap may be bad - allow a error */	1237
1087	target->allowedxerror = -1;	1238	allowedxerror = -1;
1088		1239
1089	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))
1090	root_pixmap = None;	1241	root_pixmap = None;
1091		1242
1092	target->allowedxerror = 0;	1243	allowedxerror = 0;
		1244	}
		1245
		1246	Pixmap recoded_root_pmap = root_pixmap;
		1247
		1248	if (root_pixmap != None && root_depth != depth)
1093	}	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);
1094		1254
1095	Pixmap tiled_root_pmap = XCreatePixmap (dpy, root, window_width, window_height, root_depth);	1255	XRenderPictureAttributes pa;
1096	GC gc = NULL;
1097		1256
1098	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)
1099	return 0;	1274	return 0;
1100		1275
1101	if (root_pixmap == None)	1276	if (bg_pixmap == None
		1277	|| bg_pmap_width != window_width
		1278	|| bg_pmap_height != window_height)
1102	{	1279	{
1103	/* use tricks to obtain the root background image :*/	1280	if (bg_pixmap)
1104	/* we want to create Overrideredirect window overlapping out window
1105	with background type of Parent Relative and then grab it */
1106	XSetWindowAttributes attr;
1107	Window src;
1108	bool success = false;
1109
1110	attr.background_pixmap = ParentRelative;
1111	attr.backing_store = Always;
1112	attr.event_mask = ExposureMask;
1113	attr.override_redirect = True;
1114	src = XCreateWindow (dpy, root, sx, sy, window_width, window_height, 0,
1115	CopyFromParent, CopyFromParent, CopyFromParent,
1116	CWBackPixmap|CWBackingStore|CWOverrideRedirect|CWEventMask,
1117	&attr);
1118
1119	if (src != None)
1120	{
1121	XEvent event;
1122	int ev_count = 0;
1123	XGrabServer (dpy);
1124	XMapRaised (dpy, src);
1125	XSync (dpy, False);
1126
1127	/* XSync should get window where it's properly exposed,
1128	* but to be on the safe side - let's check for the actual event to arrive : */
1129	while (XCheckWindowEvent (dpy, src, ExposureMask, &event))
1130	++ev_count;
1131
1132	if (ev_count > 0);
1133	{
1134	/* hooray! - we can grab the image! */
1135	gc = XCreateGC (dpy, root, 0, NULL);
1136	if (gc)
1137	{
1138	XCopyArea (dpy, src, tiled_root_pmap, gc, 0, 0, window_width, window_height, 0, 0);
1139	success = true;
1140	}
1141	}
1142
1143	XDestroyWindow (dpy, src);
1144	XUngrabServer (dpy);
1145	//fprintf (stderr, "%s:%d: ev_count = %d\n", __FUNCTION__, __LINE__, ev_count);
1146	}
1147
1148	if (!success)
1149	{
1150	XFreePixmap (dpy, tiled_root_pmap);	1281	XFreePixmap (dpy, bg_pixmap);
1151	tiled_root_pmap = None;	1282	bg_pixmap = XCreatePixmap (dpy, vt, window_width, window_height, depth);
1152	}	1283	bg_pmap_width = window_width;
1153	else	1284	bg_pmap_height = window_height;
1154	result |= transpPmapTiled;
1155	}
1156	else
1157	{	1285	}
		1286
1158	/* straightforward pixmap copy */	1287	/* straightforward pixmap copy */
		1288	while (sx < 0) sx += root_width;
		1289	while (sy < 0) sy += root_height;
		1290
1159	gcv.tile = root_pixmap;	1291	gcv.tile = recoded_root_pmap;
1160	gcv.fill_style = FillTiled;	1292	gcv.fill_style = FillTiled;
1161
1162	while (sx < 0) sx += (int)root_width;
1163	while (sy < 0) sy += (int)root_height;
1164
1165	gcv.ts_x_origin = -sx;	1293	gcv.ts_x_origin = -sx;
1166	gcv.ts_y_origin = -sy;	1294	gcv.ts_y_origin = -sy;
1167	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);
1168		1388
1169	if (gc)	1389	if (gc)
1170	{	1390	{
1171	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);
1172	result |= transpPmapTiled;
1173	}
1174	}
1175	TIMING_TEST_PRINT_RESULT (tp);
1176		1392
1177	if (tiled_root_pmap != None)	1393	XFreeGC (dpy, gc);
1178	{	1394	bg_flags |= BG_IS_VALID;
1179	if (!need_client_side_rendering ())
1180	{	1395	}
1181	if ((flags & tintNeeded))
1182	{
1183	if (flags & tintWholesome)
1184	{
1185	/* In this case we can tint image server-side getting significant
1186	* performance improvements, as we eliminate XImage transfer
1187	*/
1188	gcv.foreground = Pixel (tint);
1189	gcv.function = GXand;
1190	gcv.fill_style = FillSolid;
1191	if (gc)
1192	XChangeGC (dpy, gc, GCFillStyle | GCForeground | GCFunction, &gcv);
1193	else
1194	gc = XCreateGC (dpy, root, GCFillStyle | GCForeground | GCFunction, &gcv);
1195	if (gc)
1196	{
1197	XFillRectangle (dpy, tiled_root_pmap, gc, 0, 0, window_width, window_height);
1198	result |= transpPmapTinted;
1199	}
1200	}
1201	else
1202	{
1203	# if XFT
1204	Picture back_pic = 0;
1205	rgba c (rgba::MAX_CC,rgba::MAX_CC,rgba::MAX_CC);
1206		1396
1207	if (flags & tintSet)	1397	XDestroyImage (result);
1208	tint.get (c);
1209
1210	if (shade > 0 && shade < 100)
1211	{
1212	c.r = (c.r * shade) / 100;
1213	c.g = (c.g * shade) / 100;
1214	c.b = (c.b * shade) / 100;
1215	}
1216	else if (shade > 100 && shade < 200)
1217	{
1218	c.r = (c.r * (200 - shade)) / 100;
1219	c.g = (c.g * (200 - shade)) / 100;
1220	c.b = (c.b * (200 - shade)) / 100;
1221	}
1222
1223	XRenderPictFormat pf;
1224	pf.type = PictTypeDirect;
1225	pf.depth = 32;
1226	pf.direct.redMask = 0xff;
1227	pf.direct.greenMask = 0xff;
1228	pf.direct.blueMask = 0xff;
1229	pf.direct.alphaMask = 0xff;
1230
1231	XRenderPictFormat *solid_format = XRenderFindFormat (dpy,
1232	(PictFormatType|
1233	PictFormatDepth|
1234	PictFormatRedMask|
1235	PictFormatGreenMask|
1236	PictFormatBlueMask|
1237	PictFormatAlphaMask),
1238	&pf,
1239	0);
1240	XRenderPictFormat *root_format = XRenderFindVisualFormat (dpy, DefaultVisualOfScreen (ScreenOfDisplay (dpy, target->display->screen)));
1241	XRenderPictureAttributes pa ;
1242
1243	back_pic = XRenderCreatePicture (dpy, tiled_root_pmap, root_format, 0, &pa);
1244
1245	pa.repeat = True;
1246
1247	Pixmap overlay_pmap = XCreatePixmap (dpy, root, 1, 1, 32);
1248	Picture overlay_pic = XRenderCreatePicture (dpy, overlay_pmap, solid_format, CPRepeat, &pa);
1249	XFreePixmap (dpy, overlay_pmap);
1250
1251	pa.component_alpha = True;
1252	Pixmap mask_pmap = XCreatePixmap (dpy, root, 1, 1, 32);
1253	Picture mask_pic = XRenderCreatePicture (dpy, mask_pmap, solid_format, CPRepeat|CPComponentAlpha, &pa);
1254	XFreePixmap (dpy, mask_pmap);
1255
1256	if (mask_pic && overlay_pic && back_pic)
1257	{
1258	XRenderColor mask_c;
1259
1260	memset (&mask_c, (shade > 100) ? 0xFF : 0x0, sizeof (mask_c));
1261	mask_c.alpha = 0xffff;
1262	XRenderFillRectangle (dpy, PictOpSrc, overlay_pic, &mask_c, 0, 0, 1, 1);
1263
1264	mask_c.alpha = 0;
1265	mask_c.red = 0xffff - c.r;
1266	mask_c.green = 0xffff - c.g;
1267	mask_c.blue = 0xffff - c.b;
1268	XRenderFillRectangle (dpy, PictOpSrc, mask_pic, &mask_c, 0, 0, 1, 1);
1269	XRenderComposite (dpy, PictOpOver, overlay_pic, mask_pic, back_pic, 0, 0, 0, 0, 0, 0, window_width, window_height);
1270	result |= transpPmapTinted;
1271	}
1272
1273	XRenderFreePicture (dpy, mask_pic);
1274	XRenderFreePicture (dpy, overlay_pic);
1275	XRenderFreePicture (dpy, back_pic);
1276	# if DO_TIMING_TEST
1277	XSync (dpy, False);
1278	# endif
1279	# endif
1280	}
1281	}
1282	} /* server side rendering completed */
1283
1284	if (pixmap)
1285	XFreePixmap (dpy, pixmap);
1286
1287	pixmap = tiled_root_pmap;
1288	pmap_width = window_width;
1289	pmap_height = window_height;
1290	pmap_depth = root_depth;
1291	}
1292
1293	if (gc)
1294	XFreeGC (dpy, gc);
1295
1296	TIMING_TEST_PRINT_RESULT (tp);
1297
1298	return result;
1299	}
1300
1301	bool
1302	bgPixmap_t::set_root_pixmap ()
1303	{
1304	Pixmap new_root_pixmap = target->get_pixmap_property (XA_XROOTPMAP_ID);
1305	if (new_root_pixmap == None)
1306	new_root_pixmap = target->get_pixmap_property (XA_ESETROOT_PMAP_ID);
1307
1308	if (new_root_pixmap != root_pixmap)
1309	{	1398	}
1310	root_pixmap = new_root_pixmap;
1311	return true;
1312	}
1313
1314	return false;
1315	}
1316	# endif /* ENABLE_TRANSPARENCY */
1317
1318	# ifndef HAVE_AFTERIMAGE
1319	static void ShadeXImage(rxvt_term *term, XImage *srcImage, int shade, int rm, int gm, int bm);
1320	# endif	1399	# endif
1321		1400
1322	bool	1401	if (!(bg_flags & BG_IS_VALID))
1323	bgPixmap_t::render ()
1324	{
1325	unsigned long background_flags = 0;
1326
1327	if (target == NULL)
1328	return false;
1329
1330	TIMING_TEST_START (tp);
1331
1332	invalidate ();
1333	# ifdef ENABLE_TRANSPARENCY
1334	if (flags & isTransparent)
1335	{
1336	/* we need to re-generate transparency pixmap in that case ! */
1337	background_flags = make_transparency_pixmap ();
1338	if (background_flags == 0)
1339	return false;
1340	else if ((background_flags & transpTransformations) == (flags & transpTransformations)
1341	&& pmap_depth == target->depth)
1342	flags = flags & ~isInvalid;
1343	}	1402	{
1344	# endif
1345
1346	# ifdef BG_IMAGE_FROM_FILE
1347	if (have_image
1348	|| (background_flags & transpTransformations) != (flags & transpTransformations))
1349	{
1350	if (render_image (background_flags))
1351	flags = flags & ~isInvalid;
1352	}
1353	# endif
1354
1355	XImage *result = NULL;
1356
1357	if (background_flags && (flags & isInvalid))
1358	{
1359	result = XGetImage (target->dpy, pixmap, 0, 0, pmap_width, pmap_height, AllPlanes, ZPixmap);
1360	}
1361
1362	if (result)
1363	{
1364	# if !defined(HAVE_AFTERIMAGE) && !XFT
1365	/* our own client-side tinting */
1366	/* ATTENTION: We ASSUME that XFT will let us do all the tinting necessary server-side.
1367	This may need to be changed in need_client_side_rendering() logic is altered !!! */
1368	if (!(background_flags & transpPmapTinted) && (flags & tintNeeded))
1369	{
1370	rgba c (rgba::MAX_CC,rgba::MAX_CC,rgba::MAX_CC);
1371	if (flags & tintSet)
1372	tint.get (c);
1373	ShadeXImage (target, result, shade, c.r, c.g, c.b);
1374	}
1375	# endif
1376
1377	GC gc = XCreateGC (target->dpy, target->vt, 0UL, NULL);
1378
1379	if (gc)
1380	{
1381	if (/*pmap_depth != target->depth &&*/ pixmap != None)
1382	{
1383	XFreePixmap (target->dpy, pixmap);
1384	pixmap = None;
1385	}
1386
1387	if (pixmap == None)
1388	{
1389	pixmap = XCreatePixmap (target->dpy, target->vt, result->width, result->height, target->depth);
1390	pmap_width = result->width;
1391	pmap_height = result->height;
1392	pmap_depth = target->depth;
1393	}
1394
1395	if (pmap_depth != result->depth)
1396	{
1397	/* Bad Match error will ensue ! stupid X !!!! */
1398	if (result->depth == 24 && pmap_depth == 32)
1399	result->depth = 32;
1400	else if (result->depth == 32 && pmap_depth == 24)
1401	result->depth = 24;
1402	else
1403	{
1404	/* TODO: implement image recoding */
1405	}
1406	}
1407
1408	if (pmap_depth == result->depth)
1409	XPutImage (target->dpy, pixmap, gc, result, 0, 0, 0, 0, result->width, result->height);
1410
1411	XFreeGC (target->dpy, gc);
1412	flags = flags & ~isInvalid;
1413	}
1414
1415	XDestroyImage (result);
1416	}
1417
1418	if (flags & isInvalid)
1419	{
1420	if (pixmap != None)	1403	if (bg_pixmap != None)
1421	{	1404	{
1422	XFreePixmap (target->dpy, pixmap);	1405	XFreePixmap (dpy, bg_pixmap);
1423	pixmap = None;	1406	bg_pixmap = None;
1424	}	1407	}
1425	}	1408	}
1426		1409
1427	apply ();	1410	scr_recolour (false);
		1411	bg_flags |= BG_NEEDS_REFRESH;
1428		1412
1429	XSync (target->dpy, False);
1430	valid_since = ev::now ();	1413	bg_valid_since = ev::now ();
1431
1432	TIMING_TEST_PRINT_RESULT (tp);
1433		1414
1434	return true;	1415	return true;
1435	}	1416	}
1436		1417
1437	bool
1438	bgPixmap_t::set_target (rxvt_term *new_target)
1439	{
1440	if (new_target)
1441	if (target != new_target)
1442	{
1443	target = new_target;
1444	# ifdef ENABLE_TRANSPARENCY
1445	root_depth = DefaultDepthOfScreen (ScreenOfDisplay (target->dpy, target->display->screen));
1446	# endif
1447	return true;
1448	}
1449
1450	return false;
1451	}
1452
1453	void	1418	void
1454	bgPixmap_t::apply ()	1419	rxvt_term::bg_init ()
1455	{	1420	{
1456	if (target)
1457	{
1458	flags &= ~isVtOrigin;
1459
1460	if (pixmap != None)
1461	{
1462	/* set target's background to pixmap */
1463	# ifdef ENABLE_TRANSPARENCY	1421	#ifdef ENABLE_TRANSPARENCY
1464	if (flags & isTransparent)	1422	shade = 100;
1465	{
1466	XSetWindowBackgroundPixmap (target->dpy, target->parent[0], pixmap);
1467	XSetWindowBackgroundPixmap (target->dpy, target->vt, ParentRelative);
1468
1469	if (target->scrollBar.win)
1470	XSetWindowBackgroundPixmap (target->dpy, target->scrollBar.win, ParentRelative);
1471	}
1472	else
1473	# endif	1423	#endif
1474	{
1475	flags |= isVtOrigin;
1476	/* force old pixmap dereference in case it was transparent before :*/
1477	XSetWindowBackground (target->dpy, target->parent[0], target->pix_colors[Color_border]);
1478	XSetWindowBackgroundPixmap (target->dpy, target->vt, pixmap);
1479	/* do we also need to set scrollbar's background here ? */
1480		1424
1481	if (target->scrollBar.win)	1425	bg_flags &= ~(BG_HAS_RENDER | BG_HAS_RENDER_CONV);
1482	XSetWindowBackground (target->dpy, target->scrollBar.win, target->pix_colors[Color_border]);	1426	#if XRENDER
1483	}	1427	int major, minor;
1484	}	1428	if (XRenderQueryVersion (dpy, &major, &minor))
1485	else	1429	bg_flags |= BG_HAS_RENDER;
1486	{	1430	XFilters *filters = XRenderQueryFilters (dpy, vt);
1487	/* set target background to a pixel */	1431	if (filters)
1488	XSetWindowBackground (target->dpy, target->parent[0], target->pix_colors[Color_border]);
1489	XSetWindowBackground (target->dpy, target->vt, target->pix_colors[Color_bg]);
1490	/* do we also need to set scrollbar's background here ? */
1491	if (target->scrollBar.win)
1492	XSetWindowBackground (target->dpy, target->scrollBar.win, target->pix_colors[Color_border]);
1493	}
1494
1495	/* don't want Expose on the parent or vt. It is better to use
1496	scr_touch or we get a great deal of flicker otherwise: */
1497	XClearWindow (target->dpy, target->parent[0]);
1498
1499	if (target->scrollBar.state && target->scrollBar.win)
1500	{
1501	target->scrollBar.state = STATE_IDLE;
1502	target->scrollBar.show (0);
1503	}
1504
1505	target->want_refresh = 1;
1506	flags |= hasChanged;
1507	}	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	}
		1439	#endif
1508	}	1440	}
1509		1441
1510	#endif /* HAVE_BG_PIXMAP */	1442	#endif /* HAVE_BG_PIXMAP */
1511		1443
1512	#if defined(ENABLE_TRANSPARENCY) && !defined(HAVE_AFTERIMAGE) && !XFT	1444	#if defined(ENABLE_TRANSPARENCY) && !defined(HAVE_AFTERIMAGE)
1513	/* taken from aterm-0.4.2 */	1445	/* taken from aterm-0.4.2 */
1514		1446
1515	typedef uint32_t RUINT32T;
1516
1517	static void	1447	static void
1518	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)
1519	{	1449	{
1520	int sh_r, sh_g, sh_b;	1450	int sh_r, sh_g, sh_b;
1521	RUINT32T mask_r, mask_g, mask_b;	1451	uint32_t mask_r, mask_g, mask_b;
1522	RUINT32T *lookup, *lookup_r, *lookup_g, *lookup_b;	1452	uint32_t *lookup, *lookup_r, *lookup_g, *lookup_b;
1523	unsigned int lower_lim_r, lower_lim_g, lower_lim_b;	1453	rgba low;
1524	unsigned int upper_lim_r, upper_lim_g, upper_lim_b;	1454	rgba high;
1525	int i;	1455	int i;
		1456	int host_byte_order = ecb_big_endian () ? MSBFirst : LSBFirst;
1526		1457
1527	Visual *visual = term->visual;
1528
1529	if (visual->c_class != TrueColor || srcImage->format != ZPixmap) return ;	1458	if (visual->c_class != TrueColor || ximage->format != ZPixmap) return;
1530
1531	if (shade == 0)
1532	shade = 100;
1533		1459
1534	/* for convenience */	1460	/* for convenience */
1535	mask_r = visual->red_mask;	1461	mask_r = visual->red_mask;
1536	mask_g = visual->green_mask;	1462	mask_g = visual->green_mask;
1537	mask_b = visual->blue_mask;	1463	mask_b = visual->blue_mask;
1538		1464
1539	/* boring lookup table pre-initialization */	1465	/* boring lookup table pre-initialization */
1540	switch (srcImage->bits_per_pixel) {	1466	switch (ximage->depth)
		1467	{
1541	case 15:	1468	case 15:
1542	if ((mask_r != 0x7c00) ||	1469	if ((mask_r != 0x7c00) ||
1543	(mask_g != 0x03e0) ||	1470	(mask_g != 0x03e0) ||
1544	(mask_b != 0x001f))	1471	(mask_b != 0x001f))
1545	return;	1472	return;
1546	lookup = (RUINT32T *) malloc (sizeof (RUINT32T)*(32+32+32));	1473	lookup = (uint32_t *) malloc (sizeof (uint32_t)*(32+32+32));
1547	lookup_r = lookup;	1474	lookup_r = lookup;
1548	lookup_g = lookup+32;	1475	lookup_g = lookup+32;
1549	lookup_b = lookup+32+32;	1476	lookup_b = lookup+32+32;
1550	sh_r = 10;	1477	sh_r = 10;
1551	sh_g = 5;	1478	sh_g = 5;
1552	sh_b = 0;	1479	sh_b = 0;
1553	break;	1480	break;
1554	case 16:	1481	case 16:
1555	if ((mask_r != 0xf800) ||	1482	if ((mask_r != 0xf800) ||
1556	(mask_g != 0x07e0) ||	1483	(mask_g != 0x07e0) ||
1557	(mask_b != 0x001f))	1484	(mask_b != 0x001f))
1558	return;	1485	return;
1559	lookup = (RUINT32T *) malloc (sizeof (RUINT32T)*(32+64+32));	1486	lookup = (uint32_t *) malloc (sizeof (uint32_t)*(32+64+32));
1560	lookup_r = lookup;	1487	lookup_r = lookup;
1561	lookup_g = lookup+32;	1488	lookup_g = lookup+32;
1562	lookup_b = lookup+32+64;	1489	lookup_b = lookup+32+64;
1563	sh_r = 11;	1490	sh_r = 11;
1564	sh_g = 5;	1491	sh_g = 5;
1565	sh_b = 0;	1492	sh_b = 0;
1566	break;	1493	break;
1567	case 24:	1494	case 24:
1568	if ((mask_r != 0xff0000) ||	1495	if ((mask_r != 0xff0000) ||
1569	(mask_g != 0x00ff00) ||	1496	(mask_g != 0x00ff00) ||
1570	(mask_b != 0x0000ff))	1497	(mask_b != 0x0000ff))
1571	return;	1498	return;
1572	lookup = (RUINT32T *) malloc (sizeof (RUINT32T)*(256+256+256));	1499	lookup = (uint32_t *) malloc (sizeof (uint32_t)*(256+256+256));
1573	lookup_r = lookup;	1500	lookup_r = lookup;
1574	lookup_g = lookup+256;	1501	lookup_g = lookup+256;
1575	lookup_b = lookup+256+256;	1502	lookup_b = lookup+256+256;
1576	sh_r = 16;	1503	sh_r = 16;
1577	sh_g = 8;	1504	sh_g = 8;
1578	sh_b = 0;	1505	sh_b = 0;
1579	break;	1506	break;
1580	case 32:	1507	case 32:
1581	if ((mask_r != 0xff0000) ||	1508	if ((mask_r != 0xff0000) ||
1582	(mask_g != 0x00ff00) ||	1509	(mask_g != 0x00ff00) ||
1583	(mask_b != 0x0000ff))	1510	(mask_b != 0x0000ff))
1584	return;	1511	return;
1585	lookup = (RUINT32T *) malloc (sizeof (RUINT32T)*(256+256+256));	1512	lookup = (uint32_t *) malloc (sizeof (uint32_t)*(256+256+256));
1586	lookup_r = lookup;	1513	lookup_r = lookup;
1587	lookup_g = lookup+256;	1514	lookup_g = lookup+256;
1588	lookup_b = lookup+256+256;	1515	lookup_b = lookup+256+256;
1589	sh_r = 16;	1516	sh_r = 16;
1590	sh_g = 8;	1517	sh_g = 8;
1591	sh_b = 0;	1518	sh_b = 0;
1592	break;	1519	break;
1593	default:	1520	default:
1594	return; /* we do not support this color depth */	1521	return; /* we do not support this color depth */
1595	}	1522	}
1596		1523
1597	/* prepare limits for color transformation (each channel is handled separately) */	1524	/* prepare limits for color transformation (each channel is handled separately) */
1598	if (shade < 0) {	1525	if (shade > 100)
		1526	{
1599	shade = -shade;	1527	shade = 200 - shade;
1600	if (shade < 0) shade = 0;
1601	if (shade > 100) shade = 100;
1602		1528
1603	lower_lim_r = 65535-rm;	1529	high.r = c.r * shade / 100;
1604	lower_lim_g = 65535-gm;	1530	high.g = c.g * shade / 100;
1605	lower_lim_b = 65535-bm;	1531	high.b = c.b * shade / 100;
1606		1532
1607	lower_lim_r = 65535-(unsigned int)(((RUINT32T)lower_lim_r)*((RUINT32T)shade)/100);	1533	low.r = 65535 * (100 - shade) / 100;
1608	lower_lim_g = 65535-(unsigned int)(((RUINT32T)lower_lim_g)*((RUINT32T)shade)/100);	1534	low.g = 65535 * (100 - shade) / 100;
1609	lower_lim_b = 65535-(unsigned int)(((RUINT32T)lower_lim_b)*((RUINT32T)shade)/100);	1535	low.b = 65535 * (100 - shade) / 100;
1610
1611	upper_lim_r = upper_lim_g = upper_lim_b = 65535;
1612	} else {
1613	if (shade < 0) shade = 0;
1614	if (shade > 100) shade = 100;
1615
1616	lower_lim_r = lower_lim_g = lower_lim_b = 0;
1617
1618	upper_lim_r = (unsigned int)((((RUINT32T)rm)*((RUINT32T)shade))/100);
1619	upper_lim_g = (unsigned int)((((RUINT32T)gm)*((RUINT32T)shade))/100);
1620	upper_lim_b = (unsigned int)((((RUINT32T)bm)*((RUINT32T)shade))/100);
1621	}	1536	}
1622		1537	else
1623	/* switch red and blue bytes if necessary, we need it for some weird XServers like XFree86 3.3.3.1 */
1624	if ((srcImage->bits_per_pixel == 24) && (mask_r >= 0xFF0000 ))
1625	{	1538	{
1626	unsigned int tmp;	1539	high.r = c.r * shade / 100;
		1540	high.g = c.g * shade / 100;
		1541	high.b = c.b * shade / 100;
1627		1542
1628	tmp = lower_lim_r;	1543	low.r = low.g = low.b = 0;
1629	lower_lim_r = lower_lim_b;
1630	lower_lim_b = tmp;
1631
1632	tmp = upper_lim_r;
1633	upper_lim_r = upper_lim_b;
1634	upper_lim_b = tmp;
1635	}	1544	}
1636		1545
1637	/* fill our lookup tables */	1546	/* fill our lookup tables */
1638	for (i = 0; i <= mask_r>>sh_r; i++)	1547	for (i = 0; i <= mask_r>>sh_r; i++)
1639	{	1548	{
1640	RUINT32T tmp;	1549	uint32_t tmp;
1641	tmp = ((RUINT32T)i)*((RUINT32T)(upper_lim_r-lower_lim_r));	1550	tmp = i * high.r;
1642	tmp += ((RUINT32T)(mask_r>>sh_r))*((RUINT32T)lower_lim_r);	1551	tmp += (mask_r>>sh_r) * low.r;
1643	lookup_r[i] = (tmp/65535)<<sh_r;	1552	lookup_r[i] = (tmp/65535)<<sh_r;
1644	}	1553	}
1645	for (i = 0; i <= mask_g>>sh_g; i++)	1554	for (i = 0; i <= mask_g>>sh_g; i++)
1646	{	1555	{
1647	RUINT32T tmp;	1556	uint32_t tmp;
1648	tmp = ((RUINT32T)i)*((RUINT32T)(upper_lim_g-lower_lim_g));	1557	tmp = i * high.g;
1649	tmp += ((RUINT32T)(mask_g>>sh_g))*((RUINT32T)lower_lim_g);	1558	tmp += (mask_g>>sh_g) * low.g;
1650	lookup_g[i] = (tmp/65535)<<sh_g;	1559	lookup_g[i] = (tmp/65535)<<sh_g;
1651	}	1560	}
1652	for (i = 0; i <= mask_b>>sh_b; i++)	1561	for (i = 0; i <= mask_b>>sh_b; i++)
1653	{	1562	{
1654	RUINT32T tmp;	1563	uint32_t tmp;
1655	tmp = ((RUINT32T)i)*((RUINT32T)(upper_lim_b-lower_lim_b));	1564	tmp = i * high.b;
1656	tmp += ((RUINT32T)(mask_b>>sh_b))*((RUINT32T)lower_lim_b);	1565	tmp += (mask_b>>sh_b) * low.b;
1657	lookup_b[i] = (tmp/65535)<<sh_b;	1566	lookup_b[i] = (tmp/65535)<<sh_b;
1658	}	1567	}
1659		1568
1660	/* apply table to input image (replacing colors by newly calculated ones) */	1569	/* apply table to input image (replacing colors by newly calculated ones) */
1661	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)
1662	{	1573	{
1663	case 15:
1664	{
1665	unsigned short *p1, *pf, *p, *pl;	1574	uint32_t *p1, *pf, *p, *pl;
1666	p1 = (unsigned short *) srcImage->data;	1575	p1 = (uint32_t *) ximage->data;
1667	pf = (unsigned short *) (srcImage->data + srcImage->height * srcImage->bytes_per_line);	1576	pf = (uint32_t *) (ximage->data + ximage->height * ximage->bytes_per_line);
		1577
1668	while (p1 < pf)	1578	while (p1 < pf)
1669	{	1579	{
1670	p = p1;	1580	p = p1;
1671	pl = p1 + srcImage->width;	1581	pl = p1 + ximage->width;
1672	for (; p < pl; p++)	1582	for (; p < pl; p++)
1673	{	1583	{
1674	*p = lookup_r[(*p & 0x7c00)>>10] |
1675	lookup_g[(*p & 0x03e0)>> 5] |
1676	lookup_b[(*p & 0x001f)];
1677	}
1678	p1 = (unsigned short *) ((char *) p1 + srcImage->bytes_per_line);
1679	}
1680	break;
1681	}
1682	case 16:
1683	{
1684	unsigned short *p1, *pf, *p, *pl;
1685	p1 = (unsigned short *) srcImage->data;
1686	pf = (unsigned short *) (srcImage->data + srcImage->height * srcImage->bytes_per_line);
1687	while (p1 < pf)
1688	{
1689	p = p1;
1690	pl = p1 + srcImage->width;
1691	for (; p < pl; p++)
1692	{
1693	*p = lookup_r[(*p & 0xf800)>>11] |
1694	lookup_g[(*p & 0x07e0)>> 5] |
1695	lookup_b[(*p & 0x001f)];
1696	}
1697	p1 = (unsigned short *) ((char *) p1 + srcImage->bytes_per_line);
1698	}
1699	break;
1700	}
1701	case 24:
1702	{
1703	unsigned char *p1, *pf, *p, *pl;
1704	p1 = (unsigned char *) srcImage->data;
1705	pf = (unsigned char *) (srcImage->data + srcImage->height * srcImage->bytes_per_line);
1706	while (p1 < pf)
1707	{
1708	p = p1;
1709	pl = p1 + srcImage->width * 3;
1710	for (; p < pl; p += 3)
1711	{
1712	p[0] = lookup_r[(p[0] & 0xff0000)>>16];
1713	p[1] = lookup_r[(p[1] & 0x00ff00)>> 8];
1714	p[2] = lookup_r[(p[2] & 0x0000ff)];
1715	}
1716	p1 = (unsigned char *) ((char *) p1 + srcImage->bytes_per_line);
1717	}
1718	break;
1719	}
1720	case 32:
1721	{
1722	RUINT32T *p1, *pf, *p, *pl;
1723	p1 = (RUINT32T *) srcImage->data;
1724	pf = (RUINT32T *) (srcImage->data + srcImage->height * srcImage->bytes_per_line);
1725
1726	while (p1 < pf)
1727	{
1728	p = p1;
1729	pl = p1 + srcImage->width;
1730	for (; p < pl; p++)
1731	{
1732	*p = lookup_r[(*p & 0xff0000)>>16] |	1584	*p = lookup_r[(*p & 0xff0000) >> 16] |
1733	lookup_g[(*p & 0x00ff00)>> 8] |	1585	lookup_g[(*p & 0x00ff00) >> 8] |
1734	lookup_b[(*p & 0x0000ff)] |	1586	lookup_b[(*p & 0x0000ff)] |
1735	(*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);
1736	}	1602	}
1737	p1 = (RUINT32T *) ((char *) p1 + srcImage->bytes_per_line);
1738	}	1603	}
1739	break;
1740	}
1741	}
1742		1604
1743	free (lookup);	1605	free (lookup);
1744	}	1606	}
1745	#endif /* defined(ENABLE_TRANSPARENCY) && !defined(HAVE_AFTERIMAGE) */	1607	#endif /* defined(ENABLE_TRANSPARENCY) && !defined(HAVE_AFTERIMAGE) */

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