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Comparing rxvt-unicode/src/background.C (file contents):
Revision 1.62 by sf-exg, Sun Oct 3 21:44:13 2010 UTC vs.
Revision 1.158 by sf-exg, Wed Aug 10 07:28:36 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	51	* tile Tile image. Scaling/position modifiers above will affect
82	* the tile size and origin.	52	* the tile size and origin.
83	* propscale When scaling, scale proportionally. That is, maintain the	53	* propscale When scaling, scale proportionally. That is, maintain the
84	* proper aspect ratio for the image. Any portion of the	54	* proper aspect ratio for the image. Any portion of the
85	* background not covered by the image is filled with the	55	* background not covered by the image is filled with the
86	* current background color.	56	* current background color.
87	* hscale Scale horizontally, tile vertically ?
88	* vscale Tile horizontally, scale vertically ?
89	* scale Scale both up and down	57	* scale Scale both up and down
90	* auto Same as 100x100+50+50
91	*/	58	*/
92		59
93	#ifdef HAVE_BG_PIXMAP	60	#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	61	void
116	bgPixmap_t::destroy ()	62	rxvt_term::bg_destroy ()
117	{	63	{
118	#ifdef HAVE_AFTERIMAGE	64	#ifdef HAVE_AFTERIMAGE
119	if (original_asim)	65	if (original_asim)
120	safe_asimage_destroy (original_asim);	66	safe_asimage_destroy (original_asim);
		67	if (asv)
		68	destroy_asvisual (asv, 0);
		69	if (asimman)
		70	destroy_image_manager (asimman, 0);
121	#endif	71	#endif
122		72
123	#ifdef HAVE_PIXBUF	73	#ifdef HAVE_PIXBUF
124	if (pixbuf)	74	if (pixbuf)
125	g_object_unref (pixbuf);	75	g_object_unref (pixbuf);
126	#endif	76	#endif
127		77
128	if (pixmap && target)	78	if (bg_pixmap)
129	XFreePixmap (target->dpy, pixmap);	79	XFreePixmap (dpy, bg_pixmap);
130	}	80	}
131		81
132	bool	82	bool
133	bgPixmap_t::window_size_sensitive ()	83	rxvt_term::bg_set_position (int x, int y)
		84	{
		85
		86	if (target_x != x
		87	|| target_y != y)
		88	{
		89	target_x = x;
		90	target_y = y;
		91	return true;
		92	}
		93	return false;
		94	}
		95
		96	bool
		97	rxvt_term::bg_window_size_sensitive ()
134	{	98	{
135	# ifdef ENABLE_TRANSPARENCY	99	# ifdef ENABLE_TRANSPARENCY
136	if (flags & isTransparent)	100	if (bg_flags & BG_IS_TRANSPARENT)
137	return true;	101	return true;
138	# endif	102	# endif
139		103
140	# ifdef BG_IMAGE_FROM_FILE	104	# ifdef BG_IMAGE_FROM_FILE
141	if (have_image)	105	if (bg_flags & BG_IS_FROM_FILE)
142	{	106	{
143	if (flags & sizeSensitive)	107	if (bg_flags & BG_IS_SIZE_SENSITIVE)
144	return true;	108	return true;
145	}	109	}
146	# endif	110	# endif
147		111
148	return false;	112	return false;
149	}	113	}
150		114
151	bool	115	bool
152	bgPixmap_t::window_position_sensitive ()	116	rxvt_term::bg_window_position_sensitive ()
153	{	117	{
154	# ifdef ENABLE_TRANSPARENCY	118	# ifdef ENABLE_TRANSPARENCY
155	if (flags & isTransparent)	119	if (bg_flags & BG_IS_TRANSPARENT)
156	return true;	120	return true;
157	# endif	121	# endif
158		122
159	# ifdef BG_IMAGE_FROM_FILE	123	# ifdef BG_IMAGE_FROM_FILE
160	if (have_image)	124	if (bg_flags & BG_IS_FROM_FILE)
161	{	125	{
162	if (h_align == rootAlign || v_align == rootAlign)	126	if (bg_flags & BG_ROOT_ALIGN)
163	return true;	127	return true;
164	}	128	}
165	# endif	129	# endif
166		130
167	return false;
168	};
169
170	bool bgPixmap_t::need_client_side_rendering ()
171	{
172	# ifdef HAVE_AFTERIMAGE
173	if (original_asim)
174	return true;
175	# endif
176	# ifdef ENABLE_TRANSPARENCY
177	if (flags & isTransparent)
178	{
179	# ifdef HAVE_AFTERIMAGE // can't blur without libAI anyways
180	if ((flags & blurNeeded) && !(flags & blurServerSide))
181	return true;
182	# endif
183	if ((flags & tintNeeded) && !(flags & tintServerSide))
184	return true;
185	}
186	# endif
187	return false;	131	return false;
188	}	132	}
189		133
190	# ifdef BG_IMAGE_FROM_FILE	134	# ifdef BG_IMAGE_FROM_FILE
191	static inline bool	135	static inline bool
…		…
207	static inline bool	151	static inline bool
208	check_set_align_value (int geom_flags, int flag, int &align, int new_value)	152	check_set_align_value (int geom_flags, int flag, int &align, int new_value)
209	{	153	{
210	if (geom_flags & flag)	154	if (geom_flags & flag)
211	{	155	{
212	if (new_value != bgPixmap_t::rootAlign)
213	{
214	if (new_value < -100)	156	if (new_value < -100)
215	new_value = -100;	157	new_value = -100;
216	else if (new_value > 200)	158	else if (new_value > 200)
217	new_value = 200;	159	new_value = 200;
218	}
219	if (new_value != align)	160	if (new_value != align)
220	{	161	{
221	align = new_value;	162	align = new_value;
222	return true;	163	return true;
223	}	164	}
…		…
229	make_align_position (int align, int window_size, int image_size)	170	make_align_position (int align, int window_size, int image_size)
230	{	171	{
231	int diff = window_size - image_size;	172	int diff = window_size - image_size;
232	int smaller = min (image_size, window_size);	173	int smaller = min (image_size, window_size);
233		174
234	if (align >= 0 && align <= 50)	175	if (align >= 0 && align <= 100)
235	return diff * align / 100;	176	return diff * align / 100;
236	else if (align > 50 && align <= 100)
237	return window_size - image_size - diff * (100 - align) / 100;
238	else if (align > 100 && align <= 200 )	177	else if (align > 100 && align <= 200)
239	return ((align - 100) * smaller / 100) + window_size - smaller;	178	return ((align - 100) * smaller / 100) + window_size - smaller;
240	else if (align > -100 && align < 0)	179	else if (align >= -100 && align < 0)
241	return ((align + 100) * smaller / 100) - image_size;	180	return ((align + 100) * smaller / 100) - image_size;
242	return 0;	181	return 0;
243	}	182	}
244		183
245	static inline int	184	static inline int
246	make_clip_rectangle (int pos, int size, int target_size, int &dst_pos, int &dst_size)	185	make_clip_rectangle (int pos, int size, int target_size, int &dst_pos, int &dst_size)
247	{	186	{
248	int src_pos = 0;	187	int src_pos = 0;
249	dst_pos = 0;	188	dst_pos = pos;
250	dst_size = size;	189	dst_size = size;
251	if (pos < 0)	190	if (pos < 0)
252	{	191	{
253	src_pos = -pos;	192	src_pos = -pos;
		193	dst_pos = 0;
254	dst_size += pos;	194	dst_size += pos;
255	}	195	}
256	else if (pos > 0)
257	dst_pos = pos;
258		196
259	if (dst_pos + dst_size > target_size)	197	if (dst_pos + dst_size > target_size)
260	dst_size = target_size - dst_pos;	198	dst_size = target_size - dst_pos;
261	return src_pos;	199	return src_pos;
262	}	200	}
263		201
264	bool	202	bool
265	bgPixmap_t::set_geometry (const char *geom)	203	rxvt_term::bg_set_geometry (const char *geom, bool update)
266	{	204	{
		205	bool changed = false;
267	int geom_flags = 0, changed = 0;	206	int geom_flags = 0;
268	int x = 0, y = 0;	207	int x = 0, y = 0;
269	unsigned int w = 0, h = 0;	208	unsigned int w = 0, h = 0;
270	unsigned int n;	209	unsigned int n;
271	unsigned long new_flags = (flags & (~geometryFlags));	210	unsigned long new_flags = (bg_flags & (~BG_GEOMETRY_FLAGS));
272	const char *p;	211	const char *ops;
273	# define MAXLEN_GEOM 256 /* could be longer than regular geometry string */
274		212
275	if (geom == NULL)	213	if (geom == NULL)
276	return false;	214	return false;
277		215
278	char str[MAXLEN_GEOM];	216	char str[256];
279		217
280	while (isspace(*geom)) ++geom;
281	if ((p = strchr (geom, ';')) == NULL)
282	p = strchr (geom, '\0');	218	ops = strchr (geom, ':');
283		219	if (ops == NULL)
		220	n = strlen (geom);
		221	else
284	n = (p - geom);	222	n = ops - geom;
285	if (n < MAXLEN_GEOM)
286	{
287	char *ops;
288	new_flags |= geometrySet;
289		223
		224	if (n >= sizeof (str))
		225	return false;
		226
290	memcpy (str, geom, n);	227	memcpy (str, geom, n);
291	str[n] = '\0';	228	str[n] = '\0';
292	if (str[0] == ':')	229	rxvt_strtrim (str);
293	ops = &str[0];	230
294	else if (str[0] != 'x' && str[0] != 'X' && isalpha(str[0]))	231	if (str[0])
295	ops = &str[0];	232	{
296	else	233	/* we have geometry string - let's handle it prior to applying ops */
		234	geom_flags = XParseGeometry (str, &x, &y, &w, &h);
		235	} /* done parsing geometry string */
		236
		237	if (!update)
		238	{
		239	if (!(geom_flags & XValue))
		240	x = y = defaultAlign;
		241	else if (!(geom_flags & YValue))
		242	y = x;
		243
		244	if (!(geom_flags & (WidthValue|HeightValue)))
		245	w = h = defaultScale;
		246	else if (!(geom_flags & HeightValue))
		247	h = w;
		248	else if (!(geom_flags & WidthValue))
		249	w = h;
		250
		251	geom_flags |= WidthValue|HeightValue|XValue|YValue;
		252	}
		253
		254	if (ops)
		255	{
		256	char **arr = rxvt_strsplit (':', ops + 1);
		257
		258	for (int i = 0; arr[i]; i++)
297	{	259	{
298	char *tmp;	260	if (!strcasecmp (arr[i], "tile"))
299	ops = strchr (str, ':');
300	if (ops != NULL)
301	{	261	{
302	for (tmp = ops-1; tmp >= str && isspace(*tmp); --tmp);	262	new_flags |= BG_TILE;
303	*(++tmp) = '\0';	263	w = h = noScale;
304	if (ops == tmp) ++ops;	264	geom_flags |= WidthValue|HeightValue;
305	}	265	}
306	}	266	else if (!strcasecmp (arr[i], "propscale"))
307
308	if (ops > str || ops == NULL)
309	{
310	/* we have geometry string - let's handle it prior to applying ops */
311	geom_flags = XParseGeometry (str, &x, &y, &w, &h);
312
313	if ((geom_flags & XValue) && !(geom_flags & YValue))
314	{	267	{
315	y = x;	268	new_flags |= BG_PROP_SCALE;
316	geom_flags |= YValue;
317	}	269	}
318		270	else if (!strcasecmp (arr[i], "scale"))
319	if (flags & geometrySet)
320	{	271	{
321	/* new geometry is an adjustment to the old one ! */	272	if (h == 0) h = windowScale;
		273	if (w == 0) w = windowScale;
		274
322	if ((geom_flags & WidthValue) && (geom_flags & HeightValue))	275	geom_flags |= WidthValue|HeightValue;
323	{
324	if (w == 0 && h != 0)
325	{
326	w = h_scale;
327	h = (v_scale * h) / 100;
328	}
329	else if (h == 0 && w != 0)
330	{
331	w = (h_scale * w) / 100;
332	h = v_scale;
333	}
334	}
335	if (geom_flags & XValue)
336	{
337	if (str[0] != '=')
338	{
339	y += v_align;
340	x += h_align;
341	}
342	}
343	}	276	}
344	else /* setting up geometry from scratch */	277	else if (!strcasecmp (arr[i], "root"))
345	{	278	{
346	if (!(geom_flags & XValue))	279	new_flags |= BG_TILE|BG_ROOT_ALIGN;
347	{	280	w = h = noScale;
348	/* use default geometry - centered */
349	x = y = defaultAlign;
350	}
351	else if (!(geom_flags & YValue))
352	y = x;
353
354	if ((geom_flags & (WidthValue|HeightValue)) == 0)	281	geom_flags |= WidthValue|HeightValue;
355	{
356	/* use default geometry - scaled */
357	w = h = defaultScale;
358	}
359	else if (geom_flags & WidthValue)
360	{
361	if (!(geom_flags & HeightValue))
362	h = w;
363	}
364	else
365	w = h;
366	}	282	}
367	} /* done parsing geometry string */
368	else if (!(flags & geometrySet))
369	{
370	/* default geometry - scaled and centered */
371	x = y = defaultAlign;
372	w = h = defaultScale;
373	}
374
375	if (!(flags & geometrySet))
376	geom_flags |= WidthValue|HeightValue|XValue|YValue;
377
378	if (ops)
379	{
380	while (*ops)
381	{
382	while (*ops == ':' || isspace(*ops)) ++ops;
383
384	# define CHECK_GEOM_OPS(op_str) (strncasecmp (ops, (op_str), sizeof (op_str) - 1) == 0)
385	if (CHECK_GEOM_OPS ("tile"))
386	{
387	w = h = noScale;
388	geom_flags |= WidthValue|HeightValue;
389	}
390	else if (CHECK_GEOM_OPS ("propscale"))
391	{
392	new_flags |= propScale;
393	}
394	else if (CHECK_GEOM_OPS ("hscale"))
395	{
396	if (w == 0) w = windowScale;
397
398	h = noScale;
399	geom_flags |= WidthValue|HeightValue;
400	}
401	else if (CHECK_GEOM_OPS ("vscale"))
402	{
403	if (h == 0) h = windowScale;
404
405	w = noScale;
406	geom_flags |= WidthValue|HeightValue;
407	}
408	else if (CHECK_GEOM_OPS ("scale"))
409	{
410	if (h == 0) h = windowScale;
411	if (w == 0) w = windowScale;
412
413	geom_flags |= WidthValue|HeightValue;
414	}
415	else if (CHECK_GEOM_OPS ("auto"))
416	{
417	w = h = windowScale;
418	x = y = centerAlign;
419	geom_flags |= WidthValue|HeightValue|XValue|YValue;
420	}
421	else if (CHECK_GEOM_OPS ("root"))
422	{
423	w = h = noScale;
424	x = y = rootAlign;
425	geom_flags |= WidthValue|HeightValue|XValue|YValue;
426	}
427	# undef CHECK_GEOM_OPS
428
429	while (*ops != ':' && *ops != '\0') ++ops;
430	} /* done parsing ops */	283	} /* done parsing ops */
431	}
432		284
		285	rxvt_free_strsplit (arr);
		286	}
		287
433	if (check_set_scale_value (geom_flags, WidthValue, h_scale, w)) ++changed;	288	if (check_set_scale_value (geom_flags, WidthValue, h_scale, w)) changed = true;
434	if (check_set_scale_value (geom_flags, HeightValue, v_scale, h)) ++changed;	289	if (check_set_scale_value (geom_flags, HeightValue, v_scale, h)) changed = true;
435	if (check_set_align_value (geom_flags, XValue, h_align, x)) ++changed;	290	if (check_set_align_value (geom_flags, XValue, h_align, x)) changed = true;
436	if (check_set_align_value (geom_flags, YValue, v_align, y)) ++changed;	291	if (check_set_align_value (geom_flags, YValue, v_align, y)) changed = true;
437	}
438		292
439	if (new_flags != flags)	293	if (new_flags != bg_flags)
440	{	294	{
441	flags = new_flags;	295	bg_flags = new_flags;
442	changed++;	296	changed = true;
443	}	297	}
444		298
445	//fprintf (stderr, "flags = %lX, scale = %ux%u, align=%+d%+d\n",
446	// flags, h_scale, v_scale, h_align, v_align);
447	return (changed > 0);	299	return changed;
448	}	300	}
449		301
450	void	302	void
451	bgPixmap_t::get_image_geometry (int image_width, int image_height, int &w, int &h, int &x, int &y)	303	rxvt_term::get_image_geometry (int image_width, int image_height, int &w, int &h, int &x, int &y)
452	{	304	{
453	int target_width = target->szHint.width;	305	int target_width = szHint.width;
454	int target_height = target->szHint.height;	306	int target_height = szHint.height;
455		307
456	if (flags & propScale)	308	if (bg_flags & BG_PROP_SCALE)
457	{	309	{
458	float scale = (float)target_width / image_width;	310	float scale = (float)target_width / image_width;
459	min_it (scale, (float)target_height / image_height);	311	min_it (scale, (float)target_height / image_height);
460	w = image_width * scale + 0.5;	312	w = image_width * scale + 0.5;
461	h = image_height * scale + 0.5;	313	h = image_height * scale + 0.5;
…		…
464	{	316	{
465	w = h_scale * target_width / 100;	317	w = h_scale * target_width / 100;
466	h = v_scale * target_height / 100;	318	h = v_scale * target_height / 100;
467	}	319	}
468		320
469	if (h_align == rootAlign || v_align == rootAlign)	321	if (!w) w = image_width;
470	{	322	if (!h) h = image_height;
471	target->get_window_origin (x, y);	323
472	x = -x;	324	if (bg_flags & BG_ROOT_ALIGN)
473	y = -y;
474	}	325	{
475		326	x = -target_x;
476	if (h_align != rootAlign)	327	y = -target_y;
		328	}
		329	else
		330	{
477	x = make_align_position (h_align, target_width, w > 0 ? w : image_width);	331	x = make_align_position (h_align, target_width, w);
478
479	if (v_align != rootAlign)
480	y = make_align_position (v_align, target_height, h > 0 ? h : image_height);	332	y = make_align_position (v_align, target_height, h);
		333	}
481		334
482	flags &= ~sizeSensitive;	335	bg_flags &= ~BG_IS_SIZE_SENSITIVE;
483	if (h_scale != 0 || v_scale != 0	336	if (!(bg_flags & BG_TILE)
484	|| h_align != 0 || v_align != 0	337	|| (bg_flags & BG_PROP_SCALE) || h_scale || v_scale
		338	|| (!(bg_flags & BG_ROOT_ALIGN) && (h_align || v_align))
485	|| image_width > target_width || image_height > target_height)	339	|| w > target_width || h > target_height)
486	flags |= sizeSensitive;	340	bg_flags |= BG_IS_SIZE_SENSITIVE;
487	}	341	}
488		342
489	# ifdef HAVE_AFTERIMAGE	343	# ifdef HAVE_AFTERIMAGE
490	bool	344	bool
491	bgPixmap_t::render_image (unsigned long background_flags)	345	rxvt_term::render_image (unsigned long tr_flags)
492	{	346	{
493	if (target == NULL)
494	return false;
495
496	target->init_asv ();	347	init_asv ();
497		348
498	ASImage *background = NULL;	349	ASImage *background = NULL;
499	ARGB32 background_tint = TINT_LEAVE_SAME;	350	ARGB32 background_tint = TINT_LEAVE_SAME;
500		351
501	# ifdef ENABLE_TRANSPARENCY	352	# ifdef ENABLE_TRANSPARENCY
502	if (background_flags)	353	if (tr_flags)
503	background = pixmap2ximage (target->asv, pixmap, 0, 0, pmap_width, pmap_height, AllPlanes, 100);	354	background = pixmap2ximage (asv, bg_pixmap, 0, 0, bg_pmap_width, bg_pmap_height, AllPlanes, 100);
504		355
505	if (!(background_flags & transpPmapTinted) && (flags & tintNeeded))	356	if (tr_flags & BG_NEEDS_TINT)
506	{	357	{
507	ShadingInfo as_shade;	358	ShadingInfo as_shade;
508	as_shade.shading = (shade == 0) ? 100 : shade;	359	as_shade.shading = shade;
509		360
510	rgba c (rgba::MAX_CC,rgba::MAX_CC,rgba::MAX_CC);	361	rgba c (rgba::MAX_CC,rgba::MAX_CC,rgba::MAX_CC);
511	if (flags & tintSet)	362	if (bg_flags & BG_TINT_SET)
512	tint.get (c);	363	tint.get (c);
513	as_shade.tintColor.red = c.r;	364	as_shade.tintColor.red = c.r;
514	as_shade.tintColor.green = c.g;	365	as_shade.tintColor.green = c.g;
515	as_shade.tintColor.blue = c.b;	366	as_shade.tintColor.blue = c.b;
516		367
517	background_tint = shading2tint32 (&as_shade);	368	background_tint = shading2tint32 (&as_shade);
518	}	369	}
519		370
520	if (!(background_flags & transpPmapBlured) && (flags & blurNeeded) && background != NULL)	371	if ((tr_flags & BG_NEEDS_BLUR) && background != NULL)
521	{	372	{
522	ASImage *tmp = blur_asimage_gauss (target->asv, background, h_blurRadius, v_blurRadius, 0xFFFFFFFF,	373	ASImage *tmp = blur_asimage_gauss (asv, background, h_blurRadius, v_blurRadius, 0xFFFFFFFF,
523	(original_asim == NULL || tint == TINT_LEAVE_SAME) ? ASA_XImage : ASA_ASImage,	374	(original_asim == NULL || tint == TINT_LEAVE_SAME) ? ASA_XImage : ASA_ASImage,
524	100, ASIMAGE_QUALITY_DEFAULT);	375	100, ASIMAGE_QUALITY_DEFAULT);
525	if (tmp)	376	if (tmp)
526	{	377	{
527	destroy_asimage (&background);	378	destroy_asimage (&background);
…		…
530	}	381	}
531	# endif	382	# endif
532		383
533	ASImage *result = 0;	384	ASImage *result = 0;
534		385
535	int target_width = target->szHint.width;	386	int target_width = szHint.width;
536	int target_height = target->szHint.height;	387	int target_height = szHint.height;
537	int new_pmap_width = target_width;	388	int new_pmap_width = target_width;
538	int new_pmap_height = target_height;	389	int new_pmap_height = target_height;
539		390
540	int x = 0;	391	int x = 0;
541	int y = 0;	392	int y = 0;
542	int w = 0;	393	int w = 0;
543	int h = 0;	394	int h = 0;
544		395
545	TIMING_TEST_START (asim);
546
547	if (original_asim)	396	if (original_asim)
548	get_image_geometry (original_asim->width, original_asim->height, w, h, x, y);	397	get_image_geometry (original_asim->width, original_asim->height, w, h, x, y);
549		398
550	if (!original_asim	399	if (!original_asim
		400	|| (!(bg_flags & BG_ROOT_ALIGN)
551	|| x >= target_width	401	&& (x >= target_width
552	|| y >= target_height	402	|| y >= target_height
553	|| (w > 0 && x + w <= 0)	403	|| (x + w <= 0)
554	|| (h > 0 && y + h <= 0))	404	|| (y + h <= 0))))
555	{	405	{
556	if (background)	406	if (background)
557	{	407	{
558	new_pmap_width = background->width;	408	new_pmap_width = background->width;
559	new_pmap_height = background->height;	409	new_pmap_height = background->height;
560	result = background;	410	result = background;
561		411
562	if (background_tint != TINT_LEAVE_SAME)	412	if (background_tint != TINT_LEAVE_SAME)
563	{	413	{
564	ASImage *tmp = tile_asimage (target->asv, background, 0, 0,	414	ASImage *tmp = tile_asimage (asv, background, 0, 0,
565	target_width, target_height, background_tint,	415	target_width, target_height, background_tint,
566	ASA_XImage, 100, ASIMAGE_QUALITY_DEFAULT);	416	ASA_XImage, 100, ASIMAGE_QUALITY_DEFAULT);
567	if (tmp)	417	if (tmp)
568	result = tmp;	418	result = tmp;
569	}	419	}
…		…
573	}	423	}
574	else	424	else
575	{	425	{
576	result = original_asim;	426	result = original_asim;
577		427
578	if ((w > 0 && w != original_asim->width)	428	if ((w != original_asim->width)
579	|| (h > 0 && h != original_asim->height))	429	|| (h != original_asim->height))
580	{	430	{
581	result = scale_asimage (target->asv, original_asim,	431	result = scale_asimage (asv, original_asim,
582	w > 0 ? w : original_asim->width,	432	w, h,
583	h > 0 ? h : original_asim->height,
584	background ? ASA_ASImage : ASA_XImage,	433	background ? ASA_ASImage : ASA_XImage,
585	100, ASIMAGE_QUALITY_DEFAULT);	434	100, ASIMAGE_QUALITY_DEFAULT);
586	}	435	}
587		436
588	if (background == NULL)	437	if (background == NULL)
589	{	438	{
590	if (h_scale == 0 || v_scale == 0)	439	if (bg_flags & BG_TILE)
591	{	440	{
592	/* if tiling - pixmap has to be sized exactly as the image,	441	/* if tiling - pixmap has to be sized exactly as the image,
593	but there is no need to make it bigger than the window! */	442	but there is no need to make it bigger than the window! */
594	new_pmap_width = min (result->width, target_width);	443	new_pmap_width = min (result->width, target_width);
595	new_pmap_height = min (result->height, target_height);	444	new_pmap_height = min (result->height, target_height);
596		445
597	/* we also need to tile our image in both directions */	446	/* we also need to tile our image in both directions */
598	ASImage *tmp = tile_asimage (target->asv, result,	447	ASImage *tmp = tile_asimage (asv, result,
599	(int)result->width - x,	448	(int)result->width - x,
600	(int)result->height - y,	449	(int)result->height - y,
601	new_pmap_width,	450	new_pmap_width,
602	new_pmap_height,	451	new_pmap_height,
603	TINT_LEAVE_SAME, ASA_XImage,	452	TINT_LEAVE_SAME, ASA_XImage,
…		…
620	layers[0].clip_width = target_width;	469	layers[0].clip_width = target_width;
621	layers[0].clip_height = target_height;	470	layers[0].clip_height = target_height;
622	layers[0].tint = background_tint;	471	layers[0].tint = background_tint;
623	layers[1].im = result;	472	layers[1].im = result;
624		473
625	if (w <= 0)	474	if (bg_flags & BG_TILE)
626	{	475	{
627	/* tile horizontally */	476	/* tile horizontally */
628	while (x > 0) x -= (int)result->width;	477	while (x > 0) x -= (int)result->width;
629	layers[1].dst_x = x;	478	layers[1].dst_x = x;
630	layers[1].clip_width = result->width+target_width;	479	layers[1].clip_width = result->width+target_width;
…		…
634	/* clip horizontally */	483	/* clip horizontally */
635	layers[1].dst_x = x;	484	layers[1].dst_x = x;
636	layers[1].clip_width = result->width;	485	layers[1].clip_width = result->width;
637	}	486	}
638		487
639	if (h <= 0)	488	if (bg_flags & BG_TILE)
640	{	489	{
641	while (y > 0) y -= (int)result->height;	490	while (y > 0) y -= (int)result->height;
642	layers[1].dst_y = y;	491	layers[1].dst_y = y;
643	layers[1].clip_height = result->height + target_height;	492	layers[1].clip_height = result->height + target_height;
644	}	493	}
…		…
646	{	495	{
647	layers[1].dst_y = y;	496	layers[1].dst_y = y;
648	layers[1].clip_height = result->height;	497	layers[1].clip_height = result->height;
649	}	498	}
650		499
651	if (target->rs[Rs_blendtype])	500	if (rs[Rs_blendtype])
652	{	501	{
653	layers[1].merge_scanlines = blend_scanlines_name2func (target->rs[Rs_blendtype]);	502	layers[1].merge_scanlines = blend_scanlines_name2func (rs[Rs_blendtype]);
654	if (layers[1].merge_scanlines == NULL)	503	if (layers[1].merge_scanlines == NULL)
655	layers[1].merge_scanlines = alphablend_scanlines;	504	layers[1].merge_scanlines = alphablend_scanlines;
656	}	505	}
657		506
658	ASImage *tmp = merge_layers (target->asv, layers, 2, target_width, target_height,	507	ASImage *tmp = merge_layers (asv, layers, 2, target_width, target_height,
659	ASA_XImage, 0, ASIMAGE_QUALITY_DEFAULT);	508	ASA_XImage, 0, ASIMAGE_QUALITY_DEFAULT);
660		509
661	if (tmp)	510	if (tmp)
662	{	511	{
663	if (result != original_asim)	512	if (result != original_asim)
…		…
667	}	516	}
668		517
669	free (layers);	518	free (layers);
670	}	519	}
671	}	520	}
672	TIMING_TEST_PRINT_RESULT (asim);
673		521
674	bool ret = false;	522	bool ret = false;
675		523
676	if (result)	524	if (result)
677	{	525	{
678	XGCValues gcv;	526	XGCValues gcv;
679	GC gc;	527	GC gc;
680		528
681	if (pixmap)
682	{
683	if (pmap_width != new_pmap_width
684	|| pmap_height != new_pmap_height
685	|| pmap_depth != target->depth)
686	{
687	XFreePixmap (target->dpy, pixmap);
688	pixmap = None;
689	}
690	}
691
692	/* create Pixmap */	529	/* create Pixmap */
693	if (pixmap == None)	530	if (bg_pixmap == None
		531	|| bg_pmap_width != new_pmap_width
		532	|| bg_pmap_height != new_pmap_height)
694	{	533	{
		534	if (bg_pixmap)
		535	XFreePixmap (dpy, bg_pixmap);
695	pixmap = XCreatePixmap (target->dpy, target->vt, new_pmap_width, new_pmap_height, target->depth);	536	bg_pixmap = XCreatePixmap (dpy, vt, new_pmap_width, new_pmap_height, depth);
696	pmap_width = new_pmap_width;	537	bg_pmap_width = new_pmap_width;
697	pmap_height = new_pmap_height;	538	bg_pmap_height = new_pmap_height;
698	pmap_depth = target->depth;
699	}	539	}
700	/* fill with background color (if result's not completely overlapping it) */	540	/* fill with background color (if result's not completely overlapping it) */
701	gcv.foreground = target->pix_colors[Color_bg];	541	gcv.foreground = pix_colors[Color_bg];
702	gc = XCreateGC (target->dpy, target->vt, GCForeground, &gcv);	542	gc = XCreateGC (dpy, vt, GCForeground, &gcv);
703		543
704	int src_x = 0, src_y = 0, dst_x = 0, dst_y = 0;	544	int src_x = 0, src_y = 0, dst_x = 0, dst_y = 0;
705	int dst_width = result->width, dst_height = result->height;	545	int dst_width = result->width, dst_height = result->height;
706	if (background == NULL)	546	if (background == NULL)
707	{	547	{
708	if (!(h_scale == 0 || v_scale == 0))	548	if (!(bg_flags & BG_TILE))
709	{	549	{
710	src_x = make_clip_rectangle (x, result->width , new_pmap_width , dst_x, dst_width );	550	src_x = make_clip_rectangle (x, result->width , new_pmap_width , dst_x, dst_width );
711	src_y = make_clip_rectangle (y, result->height, new_pmap_height, dst_y, dst_height);	551	src_y = make_clip_rectangle (y, result->height, new_pmap_height, dst_y, dst_height);
712	}	552	}
713		553
714	if (dst_x > 0 || dst_y > 0	554	if (dst_x > 0 || dst_y > 0
715	|| dst_x + dst_width < new_pmap_width	555	|| dst_x + dst_width < new_pmap_width
716	|| dst_y + dst_height < new_pmap_height)	556	|| dst_y + dst_height < new_pmap_height)
717	XFillRectangle (target->dpy, pixmap, gc, 0, 0, new_pmap_width, new_pmap_height);	557	XFillRectangle (dpy, bg_pixmap, gc, 0, 0, new_pmap_width, new_pmap_height);
718	}	558	}
719		559
720	/* put result on pixmap */	560	/* put result on pixmap */
721	if (dst_x < new_pmap_width && dst_y < new_pmap_height)	561	if (dst_x < new_pmap_width && dst_y < new_pmap_height)
722	asimage2drawable (target->asv, pixmap, result, gc, src_x, src_y, dst_x, dst_y, dst_width, dst_height, True);	562	asimage2drawable (asv, bg_pixmap, result, gc, src_x, src_y, dst_x, dst_y, dst_width, dst_height, True);
723		563
724	if (result != background && result != original_asim)	564	if (result != background && result != original_asim)
725	destroy_asimage (&result);	565	destroy_asimage (&result);
726		566
727	XFreeGC (target->dpy, gc);	567	XFreeGC (dpy, gc);
728	TIMING_TEST_PRINT_RESULT (asim);
729		568
730	ret = true;	569	ret = true;
731	}	570	}
732		571
733	if (background)	572	if (background)
…		…
737	}	576	}
738	# endif /* HAVE_AFTERIMAGE */	577	# endif /* HAVE_AFTERIMAGE */
739		578
740	# ifdef HAVE_PIXBUF	579	# ifdef HAVE_PIXBUF
741	bool	580	bool
742	bgPixmap_t::render_image (unsigned long background_flags)	581	rxvt_term::pixbuf_to_pixmap (GdkPixbuf *pixbuf, Pixmap pixmap, GC gc,
		582	int src_x, int src_y, int dst_x, int dst_y,
		583	unsigned int width, unsigned int height)
743	{	584	{
744	if (target == NULL)	585	XImage *ximage;
		586	char *data, *line;
		587	int bytes_per_pixel;
		588	int width_r, width_g, width_b;
		589	int sh_r, sh_g, sh_b;
		590	int rowstride;
		591	int channels;
		592	unsigned char *row;
		593
		594	if (visual->c_class != TrueColor)
745	return false;	595	return false;
746		596
		597	if (depth == 24 || depth == 32)
		598	bytes_per_pixel = 4;
		599	else if (depth == 15 || depth == 16)
		600	bytes_per_pixel = 2;
		601	else
		602	return false;
		603
		604	width_r = ecb_popcount32 (visual->red_mask);
		605	width_g = ecb_popcount32 (visual->green_mask);
		606	width_b = ecb_popcount32 (visual->blue_mask);
		607
		608	if (width_r > 8 || width_g > 8 || width_b > 8)
		609	return false;
		610
		611	sh_r = ecb_ctz32 (visual->red_mask);
		612	sh_g = ecb_ctz32 (visual->green_mask);
		613	sh_b = ecb_ctz32 (visual->blue_mask);
		614
		615	if (width > INT_MAX / height / bytes_per_pixel)
		616	return false;
		617
		618	data = (char *)malloc (width * height * bytes_per_pixel);
		619	if (!data)
		620	return false;
		621
		622	ximage = XCreateImage (dpy, visual, depth, ZPixmap, 0, data,
		623	width, height, bytes_per_pixel * 8, 0);
		624	if (!ximage)
		625	{
		626	free (data);
		627	return false;
		628	}
		629
		630	ximage->byte_order = ecb_big_endian () ? MSBFirst : LSBFirst;
		631
		632	rowstride = gdk_pixbuf_get_rowstride (pixbuf);
		633	channels = gdk_pixbuf_get_n_channels (pixbuf);
		634	row = gdk_pixbuf_get_pixels (pixbuf) + src_y * rowstride + src_x * channels;
		635	line = data;
		636
		637	for (int y = 0; y < height; y++)
		638	{
		639	for (int x = 0; x < width; x++)
		640	{
		641	unsigned char *pixel = row + x * channels;
		642	uint32_t value;
		643
		644	value = ((pixel[0] >> (8 - width_r)) << sh_r)
		645	| ((pixel[1] >> (8 - width_g)) << sh_g)
		646	| ((pixel[2] >> (8 - width_b)) << sh_b);
		647
		648	if (bytes_per_pixel == 4)
		649	((uint32_t *)line)[x] = value;
		650	else
		651	((uint16_t *)line)[x] = value;
		652	}
		653
		654	row += rowstride;
		655	line += ximage->bytes_per_line;
		656	}
		657
		658	XPutImage (dpy, pixmap, gc, ximage, 0, 0, dst_x, dst_y, width, height);
		659	XDestroyImage (ximage);
		660	return true;
		661	}
		662
		663	bool
		664	rxvt_term::render_image (unsigned long tr_flags)
		665	{
747	if (!pixbuf)	666	if (!pixbuf)
748	return false;	667	return false;
749		668
750	// TODO: add alpha blending	669	if (tr_flags
751	if (background_flags)	670	&& !(bg_flags & BG_HAS_RENDER))
752	return false;	671	return false;
753		672
754	GdkPixbuf *result;	673	GdkPixbuf *result;
755		674
756	int image_width = gdk_pixbuf_get_width (pixbuf);	675	int image_width = gdk_pixbuf_get_width (pixbuf);
757	int image_height = gdk_pixbuf_get_height (pixbuf);	676	int image_height = gdk_pixbuf_get_height (pixbuf);
758		677
759	int target_width = target->szHint.width;	678	int target_width = szHint.width;
760	int target_height = target->szHint.height;	679	int target_height = szHint.height;
761	int new_pmap_width = target_width;	680	int new_pmap_width = target_width;
762	int new_pmap_height = target_height;	681	int new_pmap_height = target_height;
763		682
764	int x = 0;	683	int x = 0;
765	int y = 0;	684	int y = 0;
766	int w = 0;	685	int w = 0;
767	int h = 0;	686	int h = 0;
768		687
769	get_image_geometry (image_width, image_height, w, h, x, y);	688	get_image_geometry (image_width, image_height, w, h, x, y);
770		689
		690	if (!(bg_flags & BG_ROOT_ALIGN)
771	if (x >= target_width	691	&& (x >= target_width
772	|| y >= target_height	692	|| y >= target_height
773	|| (w > 0 && x + w <= 0)	693	|| (x + w <= 0)
774	|| (h > 0 && y + h <= 0))	694	|| (y + h <= 0)))
775	return false;	695	return false;
776		696
777	result = pixbuf;	697	result = pixbuf;
778		698
779	if ((w > 0 && w != image_width)	699	if ((w != image_width)
780	|| (h > 0 && h != image_height))	700	|| (h != image_height))
781	{	701	{
782	result = gdk_pixbuf_scale_simple (pixbuf,	702	result = gdk_pixbuf_scale_simple (pixbuf,
783	w > 0 ? w : image_width,	703	w, h,
784	h > 0 ? h : image_height,
785	GDK_INTERP_BILINEAR);	704	GDK_INTERP_BILINEAR);
786	}	705	}
787		706
		707	if (!result)
		708	return false;
		709
788	bool ret = false;	710	bool ret = false;
789		711
790	if (result)
791	{
792	XGCValues gcv;	712	XGCValues gcv;
793	GC gc;	713	GC gc;
		714	Pixmap root_pmap;
794		715
795	image_width = gdk_pixbuf_get_width (result);	716	image_width = gdk_pixbuf_get_width (result);
796	image_height = gdk_pixbuf_get_height (result);	717	image_height = gdk_pixbuf_get_height (result);
797		718
798	if (h_scale == 0 || v_scale == 0)	719	if (tr_flags)
		720	{
		721	root_pmap = bg_pixmap;
		722	bg_pixmap = None;
		723	}
		724	else
		725	{
		726	if (bg_flags & BG_TILE)
799	{	727	{
800	new_pmap_width = min (image_width, target_width);	728	new_pmap_width = min (image_width, target_width);
801	new_pmap_height = min (image_height, target_height);	729	new_pmap_height = min (image_height, target_height);
802	}	730	}
		731	}
803		732
		733	if (bg_pixmap == None
		734	|| bg_pmap_width != new_pmap_width
		735	|| bg_pmap_height != new_pmap_height)
		736	{
804	if (pixmap)	737	if (bg_pixmap)
805	{
806	if (pmap_width != new_pmap_width
807	|| pmap_height != new_pmap_height
808	|| pmap_depth != target->depth)
809	{
810	XFreePixmap (target->dpy, pixmap);	738	XFreePixmap (dpy, bg_pixmap);
811	pixmap = None;
812	}
813	}
814
815	if (pixmap == None)
816	{
817	pixmap = XCreatePixmap (target->dpy, target->vt, new_pmap_width, new_pmap_height, target->depth);	739	bg_pixmap = XCreatePixmap (dpy, vt, new_pmap_width, new_pmap_height, depth);
818	pmap_width = new_pmap_width;	740	bg_pmap_width = new_pmap_width;
819	pmap_height = new_pmap_height;	741	bg_pmap_height = new_pmap_height;
820	pmap_depth = target->depth;	742	}
		743
		744	gcv.foreground = pix_colors[Color_bg];
		745	gc = XCreateGC (dpy, vt, GCForeground, &gcv);
		746
		747	if (gc)
		748	{
		749	if (bg_flags & BG_TILE)
821	}	750	{
822
823	gcv.foreground = target->pix_colors[Color_bg];
824	gc = XCreateGC (target->dpy, target->vt, GCForeground, &gcv);
825
826	if (h_scale == 0 || v_scale == 0)
827	{
828	Pixmap tile = XCreatePixmap (target->dpy, target->vt, image_width, image_height, target->depth);	751	Pixmap tile = XCreatePixmap (dpy, vt, image_width, image_height, depth);
829	gdk_pixbuf_xlib_render_to_drawable (result, tile, gc,	752	pixbuf_to_pixmap (result, tile, gc,
830	0, 0,	753	0, 0,
831	0, 0,	754	0, 0,
832	image_width, image_height,	755	image_width, image_height);
833	XLIB_RGB_DITHER_NONE,
834	0, 0);
835		756
836	gcv.tile = tile;	757	gcv.tile = tile;
837	gcv.fill_style = FillTiled;	758	gcv.fill_style = FillTiled;
838	gcv.ts_x_origin = x;	759	gcv.ts_x_origin = x;
839	gcv.ts_y_origin = y;	760	gcv.ts_y_origin = y;
840	XChangeGC (target->dpy, gc, GCFillStyle | GCTile | GCTileStipXOrigin | GCTileStipYOrigin, &gcv);	761	XChangeGC (dpy, gc, GCFillStyle | GCTile | GCTileStipXOrigin | GCTileStipYOrigin, &gcv);
841		762
842	XFillRectangle (target->dpy, pixmap, gc, 0, 0, new_pmap_width, new_pmap_height);	763	XFillRectangle (dpy, bg_pixmap, gc, 0, 0, new_pmap_width, new_pmap_height);
843	XFreePixmap (target->dpy, tile);	764	XFreePixmap (dpy, tile);
844	}	765	}
845	else	766	else
846	{	767	{
847	int src_x, src_y, dst_x, dst_y;	768	int src_x, src_y, dst_x, dst_y;
848	int dst_width, dst_height;	769	int dst_width, dst_height;
…		…
851	src_y = make_clip_rectangle (y, image_height, new_pmap_height, dst_y, dst_height);	772	src_y = make_clip_rectangle (y, image_height, new_pmap_height, dst_y, dst_height);
852		773
853	if (dst_x > 0 || dst_y > 0	774	if (dst_x > 0 || dst_y > 0
854	|| dst_x + dst_width < new_pmap_width	775	|| dst_x + dst_width < new_pmap_width
855	|| dst_y + dst_height < new_pmap_height)	776	|| dst_y + dst_height < new_pmap_height)
856	XFillRectangle (target->dpy, pixmap, gc, 0, 0, new_pmap_width, new_pmap_height);	777	XFillRectangle (dpy, bg_pixmap, gc, 0, 0, new_pmap_width, new_pmap_height);
857		778
858	if (dst_x < new_pmap_width && dst_y < new_pmap_height)	779	if (dst_x < new_pmap_width && dst_y < new_pmap_height)
859	gdk_pixbuf_xlib_render_to_drawable (result, pixmap, gc,	780	pixbuf_to_pixmap (result, bg_pixmap, gc,
860	src_x, src_y,	781	src_x, src_y,
861	dst_x, dst_y,	782	dst_x, dst_y,
862	dst_width, dst_height,	783	dst_width, dst_height);
863	XLIB_RGB_DITHER_NONE,	784	}
864	0, 0);	785
		786	#if XRENDER
		787	if (tr_flags)
865	}	788	{
		789	XRenderPictureAttributes pa;
866		790
867	if (result != pixbuf)	791	XRenderPictFormat *src_format = XRenderFindVisualFormat (dpy, visual);
868	g_object_unref (result);	792	Picture src = XRenderCreatePicture (dpy, root_pmap, src_format, 0, &pa);
869		793
		794	XRenderPictFormat *dst_format = XRenderFindVisualFormat (dpy, visual);
		795	Picture dst = XRenderCreatePicture (dpy, bg_pixmap, dst_format, 0, &pa);
		796
		797	pa.repeat = True;
		798	Pixmap mask_pmap = XCreatePixmap (dpy, vt, 1, 1, 8);
		799	XRenderPictFormat *mask_format = XRenderFindStandardFormat (dpy, PictStandardA8);
		800	Picture mask = XRenderCreatePicture (dpy, mask_pmap, mask_format, CPRepeat, &pa);
		801	XFreePixmap (dpy, mask_pmap);
		802
		803	XRenderColor mask_c;
		804
		805	mask_c.alpha = 0x8000;
		806	mask_c.red = 0;
		807	mask_c.green = 0;
		808	mask_c.blue = 0;
		809	XRenderFillRectangle (dpy, PictOpSrc, mask, &mask_c, 0, 0, 1, 1);
		810	XRenderComposite (dpy, PictOpOver, src, mask, dst, 0, 0, 0, 0, 0, 0, target_width, target_height);
		811
		812	XRenderFreePicture (dpy, src);
		813	XRenderFreePicture (dpy, dst);
		814	XRenderFreePicture (dpy, mask);
		815	}
		816	#endif
		817
870	XFreeGC (target->dpy, gc);	818	XFreeGC (dpy, gc);
871		819
872	ret = true;	820	ret = true;
873	}	821	}
874		822
		823	if (result != pixbuf)
		824	g_object_unref (result);
		825
		826	if (tr_flags)
		827	XFreePixmap (dpy, root_pmap);
		828
875	return ret;	829	return ret;
876	}	830	}
877	# endif /* HAVE_PIXBUF */	831	# endif /* HAVE_PIXBUF */
878		832
879	bool	833	bool
880	bgPixmap_t::set_file (const char *file)	834	rxvt_term::bg_set_file (const char *file)
881	{	835	{
882	assert (file);	836	if (!file || !*file)
		837	return false;
883		838
884	if (*file)
885	{
886	if (const char *p = strchr (file, ';'))	839	if (const char *p = strchr (file, ';'))
887	{	840	{
888	size_t len = p - file;	841	size_t len = p - file;
889	char *f = rxvt_temp_buf<char> (len + 1);	842	char *f = rxvt_temp_buf<char> (len + 1);
890	memcpy (f, file, len);	843	memcpy (f, file, len);
891	f[len] = '\0';	844	f[len] = '\0';
892	file = f;	845	file = f;
893	}	846	}
894		847
895	# ifdef HAVE_AFTERIMAGE	848	# ifdef HAVE_AFTERIMAGE
896	if (!target->asimman)	849	if (!asimman)
897	target->asimman = create_generic_imageman (target->rs[Rs_path]);	850	asimman = create_generic_imageman (rs[Rs_path]);
898	original_asim = get_asimage (target->asimman, file, 0xFFFFFFFF, 100);	851	ASImage *image = get_asimage (asimman, file, 0xFFFFFFFF, 100);
		852	if (image)
		853	{
899	if (original_asim)	854	if (original_asim)
900	have_image = true;	855	safe_asimage_destroy (original_asim);
901	return have_image;	856	original_asim = image;
		857	bg_flags |= BG_IS_FROM_FILE | BG_CLIENT_RENDER;
		858	return true;
		859	}
902	# endif	860	# endif
903		861
904	# ifdef HAVE_PIXBUF	862	# ifdef HAVE_PIXBUF
905	pixbuf = gdk_pixbuf_new_from_file (file, NULL);	863	GdkPixbuf *image = gdk_pixbuf_new_from_file (file, NULL);
		864	if (image)
		865	{
906	if (pixbuf)	866	if (pixbuf)
907	have_image = true;	867	g_object_unref (pixbuf);
908	return have_image;	868	pixbuf = image;
		869	bg_flags |= BG_IS_FROM_FILE;
		870	return true;
		871	}
909	# endif	872	# endif
910	}
911		873
912	return false;	874	return false;
913	}	875	}
914		876
915	# endif /* BG_IMAGE_FROM_FILE */	877	# endif /* BG_IMAGE_FROM_FILE */
916		878
917	# ifdef ENABLE_TRANSPARENCY	879	# ifdef ENABLE_TRANSPARENCY
918	bool	880	bool
919	bgPixmap_t::set_transparent ()	881	rxvt_term::bg_set_transparent ()
920	{	882	{
921	if (!(flags & isTransparent))	883	if (!(bg_flags & BG_IS_TRANSPARENT))
922	{	884	{
923	flags |= isTransparent;	885	bg_flags |= BG_IS_TRANSPARENT;
924	return true;	886	return true;
925	}	887	}
926		888
927	return false;	889	return false;
928	}	890	}
929		891
930	bool	892	bool
931	bgPixmap_t::set_blur_radius (const char *geom)	893	rxvt_term::bg_set_blur (const char *geom)
932	{	894	{
933	int changed = 0;	895	bool changed = false;
934	unsigned int hr, vr;	896	unsigned int hr, vr;
935	int junk;	897	int junk;
936	int geom_flags = XParseGeometry (geom, &junk, &junk, &hr, &vr);	898	int geom_flags = XParseGeometry (geom, &junk, &junk, &hr, &vr);
937		899
938	if (!(geom_flags & WidthValue))	900	if (!(geom_flags & WidthValue))
939	hr = 1;	901	hr = 1;
940	if (!(geom_flags & HeightValue))	902	if (!(geom_flags & HeightValue))
941	vr = hr;	903	vr = hr;
942		904
		905	min_it (hr, 128);
		906	min_it (vr, 128);
		907
943	if (h_blurRadius != hr)	908	if (h_blurRadius != hr)
944	{	909	{
945	++changed;	910	changed = true;
946	h_blurRadius = hr;	911	h_blurRadius = hr;
947	}	912	}
948		913
949	if (v_blurRadius != vr)	914	if (v_blurRadius != vr)
950	{	915	{
951	++changed;	916	changed = true;
952	v_blurRadius = vr;	917	v_blurRadius = vr;
953	}	918	}
954		919
955	if (v_blurRadius == 0 && h_blurRadius == 0)	920	if (v_blurRadius == 0 && h_blurRadius == 0)
956	flags &= ~blurNeeded;	921	bg_flags &= ~BG_NEEDS_BLUR;
957	else	922	else
958	flags |= blurNeeded;	923	bg_flags |= BG_NEEDS_BLUR;
959		924
960	return (changed > 0);	925	return changed;
961	}	926	}
962		927
963	static inline unsigned long	928	void
964	compute_tint_shade_flags (rxvt_color *tint, int shade)	929	rxvt_term::set_tint_shade_flags ()
965	{	930	{
966	unsigned long flags = 0;
967	rgba c (rgba::MAX_CC,rgba::MAX_CC,rgba::MAX_CC);	931	rgba c (rgba::MAX_CC,rgba::MAX_CC,rgba::MAX_CC);
968	bool has_shade = (shade > 0 && shade < 100) || (shade > 100 && shade < 200);	932	bool has_shade = shade != 100;
969		933
970	if (tint)	934	bg_flags &= ~BG_TINT_FLAGS;
		935
		936	if (bg_flags & BG_TINT_SET)
971	{	937	{
972	tint->get (c);	938	tint.get (c);
973	# define IS_COMPONENT_WHOLESOME(cmp) ((cmp) <= 0x000700 || (cmp) >= 0x00f700)
974	if (!has_shade && IS_COMPONENT_WHOLESOME (c.r)
975	&& IS_COMPONENT_WHOLESOME (c.g)
976	&& IS_COMPONENT_WHOLESOME (c.b))
977	flags |= bgPixmap_t::tintWholesome;
978	# undef IS_COMPONENT_WHOLESOME
979	}
980
981	if (has_shade)	939	if (!has_shade
982	flags |= bgPixmap_t::tintNeeded;	940	&& (c.r <= 0x00ff || c.r >= 0xff00)
983	else if (tint)	941	&& (c.g <= 0x00ff || c.g >= 0xff00)
		942	&& (c.b <= 0x00ff || c.b >= 0xff00))
		943	bg_flags |= BG_TINT_BITAND;
984	{	944	}
985	if ((c.r > 0x000700 || c.g > 0x000700 || c.b > 0x000700)	945
986	&& (c.r < 0x00f700 || c.g < 0x00f700 || c.b < 0x00f700))	946	if (has_shade || (bg_flags & BG_TINT_SET))
987	{	947	bg_flags |= BG_NEEDS_TINT;
988	flags |= bgPixmap_t::tintNeeded;	948	}
		949
		950	bool
		951	rxvt_term::bg_set_tint (rxvt_color &new_tint)
		952	{
		953	if (!(bg_flags & BG_TINT_SET) || tint != new_tint)
		954	{
		955	tint = new_tint;
		956	bg_flags |= BG_TINT_SET;
		957	set_tint_shade_flags ();
		958	return true;
		959	}
		960
		961	return false;
		962	}
		963
		964	bool
		965	rxvt_term::bg_set_shade (const char *shade_str)
		966	{
		967	int new_shade = (shade_str) ? atoi (shade_str) : 100;
		968
		969	clamp_it (new_shade, -100, 200);
		970	if (new_shade < 0)
		971	new_shade = 200 - (100 + new_shade);
		972
		973	if (new_shade != shade)
		974	{
		975	shade = new_shade;
		976	set_tint_shade_flags ();
		977	return true;
		978	}
		979
		980	return false;
		981	}
		982
		983	#if XRENDER
		984	static void
		985	get_gaussian_kernel (int radius, int width, double *kernel, XFixed *params)
		986	{
		987	double sigma = radius / 2.0;
		988	double scale = sqrt (2.0 * M_PI) * sigma;
		989	double sum = 0.0;
		990
		991	for (int i = 0; i < width; i++)
		992	{
		993	double x = i - width / 2;
		994	kernel[i] = exp (-(x * x) / (2.0 * sigma * sigma)) / scale;
		995	sum += kernel[i];
		996	}
		997
		998	params[0] = XDoubleToFixed (width);
		999	params[1] = XDoubleToFixed (1);
		1000
		1001	for (int i = 0; i < width; i++)
		1002	params[i+2] = XDoubleToFixed (kernel[i] / sum);
		1003	}
		1004	#endif
		1005
		1006	bool
		1007	rxvt_term::blur_pixmap (Pixmap pixmap, Visual *visual, int width, int height)
		1008	{
		1009	bool ret = false;
		1010	#if XRENDER
		1011	int size = max (h_blurRadius, v_blurRadius) * 2 + 1;
		1012	double *kernel = (double *)malloc (size * sizeof (double));
		1013	XFixed *params = (XFixed *)malloc ((size + 2) * sizeof (XFixed));
		1014
		1015	XRenderPictureAttributes pa;
		1016	XRenderPictFormat *format = XRenderFindVisualFormat (dpy, visual);
		1017
		1018	Picture src = XRenderCreatePicture (dpy, pixmap, format, 0, &pa);
		1019	Picture dst = XRenderCreatePicture (dpy, pixmap, format, 0, &pa);
		1020
		1021	if (kernel && params)
		1022	{
		1023	if (h_blurRadius)
989	}	1024	{
990	}	1025	size = h_blurRadius * 2 + 1;
		1026	get_gaussian_kernel (h_blurRadius, size, kernel, params);
991		1027
992	if (flags & bgPixmap_t::tintNeeded)	1028	XRenderSetPictureFilter (dpy, src, FilterConvolution, params, size+2);
		1029	XRenderComposite (dpy,
		1030	PictOpSrc,
		1031	src,
		1032	None,
		1033	dst,
		1034	0, 0,
		1035	0, 0,
		1036	0, 0,
		1037	width, height);
		1038	}
		1039
		1040	if (v_blurRadius)
		1041	{
		1042	size = v_blurRadius * 2 + 1;
		1043	get_gaussian_kernel (v_blurRadius, size, kernel, params);
		1044	::swap (params[0], params[1]);
		1045
		1046	XRenderSetPictureFilter (dpy, src, FilterConvolution, params, size+2);
		1047	XRenderComposite (dpy,
		1048	PictOpSrc,
		1049	src,
		1050	None,
		1051	dst,
		1052	0, 0,
		1053	0, 0,
		1054	0, 0,
		1055	width, height);
		1056	}
		1057
		1058	ret = true;
993	{	1059	}
994	if (flags & bgPixmap_t::tintWholesome)	1060
995	flags |= bgPixmap_t::tintServerSide;	1061	free (kernel);
		1062	free (params);
		1063	XRenderFreePicture (dpy, src);
		1064	XRenderFreePicture (dpy, dst);
		1065	#endif
		1066	return ret;
		1067	}
		1068
		1069	bool
		1070	rxvt_term::tint_pixmap (Pixmap pixmap, Visual *visual, int width, int height)
		1071	{
		1072	bool ret = false;
		1073
		1074	if (bg_flags & BG_TINT_BITAND)
		1075	{
		1076	XGCValues gcv;
		1077	GC gc;
		1078
		1079	/* In this case we can tint image server-side getting significant
		1080	* performance improvements, as we eliminate XImage transfer
		1081	*/
		1082	gcv.foreground = Pixel (tint);
		1083	gcv.function = GXand;
		1084	gcv.fill_style = FillSolid;
		1085	gc = XCreateGC (dpy, pixmap, GCFillStyle | GCForeground | GCFunction, &gcv);
		1086	if (gc)
		1087	{
		1088	XFillRectangle (dpy, pixmap, gc, 0, 0, width, height);
		1089	ret = true;
		1090	XFreeGC (dpy, gc);
		1091	}
		1092	}
		1093	else
		1094	{
		1095	# if XRENDER
		1096	rgba c (rgba::MAX_CC, rgba::MAX_CC, rgba::MAX_CC);
		1097
		1098	if (bg_flags & BG_TINT_SET)
		1099	tint.get (c);
		1100
		1101	if (shade <= 100)
		1102	{
		1103	c.r = c.r * shade / 100;
		1104	c.g = c.g * shade / 100;
		1105	c.b = c.b * shade / 100;
		1106	}
996	else	1107	else
997	{	1108	{
998	#if XFT	1109	c.r = c.r * (200 - shade) / 100;
999	flags |= bgPixmap_t::tintServerSide;	1110	c.g = c.g * (200 - shade) / 100;
1000	#endif	1111	c.b = c.b * (200 - shade) / 100;
		1112	}
		1113
		1114	XRenderPictFormat *solid_format = XRenderFindStandardFormat (dpy, PictStandardARGB32);
		1115	XRenderPictFormat *format = XRenderFindVisualFormat (dpy, visual);
		1116	XRenderPictureAttributes pa;
		1117
		1118	Picture back_pic = XRenderCreatePicture (dpy, pixmap, format, 0, &pa);
		1119
		1120	pa.repeat = True;
		1121
		1122	Pixmap overlay_pmap = XCreatePixmap (dpy, pixmap, 1, 1, 32);
		1123	Picture overlay_pic = XRenderCreatePicture (dpy, overlay_pmap, solid_format, CPRepeat, &pa);
		1124	XFreePixmap (dpy, overlay_pmap);
		1125
		1126	pa.component_alpha = True;
		1127	Pixmap mask_pmap = XCreatePixmap (dpy, pixmap, 1, 1, 32);
		1128	Picture mask_pic = XRenderCreatePicture (dpy, mask_pmap, solid_format, CPRepeat | CPComponentAlpha, &pa);
		1129	XFreePixmap (dpy, mask_pmap);
		1130
		1131	XRenderColor mask_c;
		1132
		1133	mask_c.alpha = 0xffff;
		1134	mask_c.red =
		1135	mask_c.green =
		1136	mask_c.blue = 0;
		1137	XRenderFillRectangle (dpy, PictOpSrc, overlay_pic, &mask_c, 0, 0, 1, 1);
		1138
		1139	mask_c.alpha = 0;
		1140	mask_c.red = 0xffff - c.r;
		1141	mask_c.green = 0xffff - c.g;
		1142	mask_c.blue = 0xffff - c.b;
		1143	XRenderFillRectangle (dpy, PictOpSrc, mask_pic, &mask_c, 0, 0, 1, 1);
		1144	XRenderComposite (dpy, PictOpOver, overlay_pic, mask_pic, back_pic, 0, 0, 0, 0, 0, 0, width, height);
		1145
		1146	if (shade > 100)
1001	}	1147	{
1002	}	1148	mask_c.red = mask_c.green = mask_c.blue = 0xffff * (shade - 100) / 100;
		1149	mask_c.alpha = 0;
		1150	XRenderFillRectangle (dpy, PictOpSrc, overlay_pic, &mask_c, 0, 0, 1, 1);
1003		1151
1004	return flags;	1152	XRenderComposite (dpy, PictOpOver, overlay_pic, None, back_pic, 0, 0, 0, 0, 0, 0, width, height);
1005	}	1153	}
1006		1154
1007	bool
1008	bgPixmap_t::set_tint (rxvt_color &new_tint)
1009	{
1010	if (tint != new_tint)
1011	{
1012	unsigned long new_flags = compute_tint_shade_flags (&new_tint, shade);
1013	tint = new_tint;
1014	flags = (flags & ~tintFlags) | new_flags | tintSet;
1015	return true;	1155	ret = true;
1016	}
1017		1156
1018	return false;	1157	XRenderFreePicture (dpy, mask_pic);
1019	}	1158	XRenderFreePicture (dpy, overlay_pic);
1020		1159	XRenderFreePicture (dpy, back_pic);
1021	bool	1160	# endif
1022	bgPixmap_t::unset_tint ()
1023	{
1024	unsigned long new_flags = compute_tint_shade_flags (NULL, shade);
1025
1026	if (new_flags != (flags & tintFlags))
1027	{	1161	}
1028	flags = (flags & ~tintFlags) | new_flags;
1029	return true;
1030	}
1031		1162
1032	return false;	1163	return ret;
1033	}	1164	}
1034		1165
1035	bool	1166	/*
1036	bgPixmap_t::set_shade (const char *shade_str)	1167	* Builds a pixmap of the same size as the terminal window that contains
1037	{
1038	int new_shade = (shade_str) ? atoi (shade_str) : 0;
1039
1040	if (new_shade < 0 && new_shade > -100)
1041	new_shade = 200 - (100 + new_shade);
1042	else if (new_shade == 100)
1043	new_shade = 0;
1044
1045	if (new_shade != shade)
1046	{
1047	unsigned long new_flags = compute_tint_shade_flags ((flags & tintSet) ? &tint : NULL, new_shade);
1048	shade = new_shade;
1049	flags = (flags & (~tintFlags | tintSet)) | new_flags;
1050	return true;
1051	}
1052
1053	return false;
1054	}
1055
1056	/* make_transparency_pixmap()
1057	* Builds a pixmap sized the same as terminal window, with depth same as the root window
1058	* that pixmap contains tiled portion of the root pixmap that is supposed to be covered by	1168	* the tiled portion of the root pixmap that is supposed to be covered by
1059	* our window.	1169	* our window.
1060	*/	1170	*/
1061	unsigned long	1171	unsigned long
1062	bgPixmap_t::make_transparency_pixmap ()	1172	rxvt_term::make_transparency_pixmap ()
1063	{	1173	{
1064	unsigned long result = 0;	1174	unsigned long result = 0;
1065
1066	if (target == NULL)
1067	return 0;
1068		1175
1069	/* root dimensions may change from call to call - but Display structure should	1176	/* root dimensions may change from call to call - but Display structure should
1070	* be always up-to-date, so let's use it :	1177	* be always up-to-date, so let's use it :
1071	*/	1178	*/
1072	Window root = target->display->root;
1073	int screen = target->display->screen;	1179	int screen = display->screen;
1074	Display *dpy = target->dpy;	1180	int root_depth = DefaultDepth (dpy, screen);
1075	int root_width = DisplayWidth (dpy, screen);	1181	int root_width = DisplayWidth (dpy, screen);
1076	int root_height = DisplayHeight (dpy, screen);	1182	int root_height = DisplayHeight (dpy, screen);
1077	unsigned int root_pmap_width, root_pmap_height;	1183	unsigned int root_pmap_width, root_pmap_height;
1078	int window_width = target->szHint.width;	1184	int window_width = szHint.width;
1079	int window_height = target->szHint.height;	1185	int window_height = szHint.height;
1080	int sx, sy;	1186	int sx, sy;
1081	XGCValues gcv;	1187	XGCValues gcv;
		1188	GC gc;
1082		1189
1083	TIMING_TEST_START (tp);	1190	sx = target_x;
1084	target->get_window_origin (sx, sy);	1191	sy = target_y;
1085		1192
1086	/* check if we are outside of the visible part of the virtual screen : */	1193	/* check if we are outside of the visible part of the virtual screen : */
1087	if (sx + window_width <= 0 || sy + window_height <= 0	1194	if (sx + window_width <= 0 || sy + window_height <= 0
1088	|| sx >= root_width || sy >= root_height)	1195	|| sx >= root_width || sy >= root_height)
1089	return 0;	1196	return 0;
1090		1197
		1198	// validate root pixmap and get its size
1091	if (root_pixmap != None)	1199	if (root_pixmap != None)
1092	{	1200	{
1093	/* we want to validate the pixmap and get it's size at the same time : */	1201	Window wdummy;
1094	int junk;	1202	int idummy;
1095	unsigned int ujunk;	1203	unsigned int udummy;
1096	/* root pixmap may be bad - allow a error */	1204
1097	target->allowedxerror = -1;	1205	allowedxerror = -1;
1098		1206
1099	if (!XGetGeometry (dpy, root_pixmap, &root, &junk, &junk, &root_pmap_width, &root_pmap_height, &ujunk, &ujunk))	1207	if (!XGetGeometry (dpy, root_pixmap, &wdummy, &idummy, &idummy, &root_pmap_width, &root_pmap_height, &udummy, &udummy))
1100	root_pixmap = None;	1208	root_pixmap = None;
1101		1209
1102	target->allowedxerror = 0;	1210	allowedxerror = 0;
		1211	}
		1212
		1213	Pixmap recoded_root_pmap = root_pixmap;
		1214
		1215	if (root_pixmap != None && root_depth != depth)
1103	}	1216	{
		1217	#if XRENDER
		1218	if (bg_flags & BG_HAS_RENDER)
		1219	{
		1220	recoded_root_pmap = XCreatePixmap (dpy, vt, root_pmap_width, root_pmap_height, depth);
1104		1221
1105	Pixmap tiled_root_pmap = XCreatePixmap (dpy, root, window_width, window_height, root_depth);	1222	XRenderPictureAttributes pa;
1106	GC gc = NULL;
1107		1223
1108	if (tiled_root_pmap == None) /* something really bad happened - abort */	1224	XRenderPictFormat *src_format = XRenderFindVisualFormat (dpy, DefaultVisual (dpy, screen));
		1225	Picture src = XRenderCreatePicture (dpy, root_pixmap, src_format, 0, &pa);
		1226
		1227	XRenderPictFormat *dst_format = XRenderFindVisualFormat (dpy, visual);
		1228	Picture dst = XRenderCreatePicture (dpy, recoded_root_pmap, dst_format, 0, &pa);
		1229
		1230	XRenderComposite (dpy, PictOpSrc, src, None, dst, 0, 0, 0, 0, 0, 0, root_pmap_width, root_pmap_height);
		1231
		1232	XRenderFreePicture (dpy, src);
		1233	XRenderFreePicture (dpy, dst);
		1234	}
		1235	else
		1236	#endif
		1237	recoded_root_pmap = None;
		1238	}
		1239
		1240	if (recoded_root_pmap == None)
1109	return 0;	1241	return 0;
1110		1242
1111	if (root_pixmap == None)	1243	if (bg_pixmap == None
		1244	|| bg_pmap_width != window_width
		1245	|| bg_pmap_height != window_height)
		1246	{
		1247	if (bg_pixmap)
		1248	XFreePixmap (dpy, bg_pixmap);
		1249	bg_pixmap = XCreatePixmap (dpy, vt, window_width, window_height, depth);
		1250	bg_pmap_width = window_width;
		1251	bg_pmap_height = window_height;
1112	{	1252	}
1113	/* use tricks to obtain the root background image :*/
1114	/* we want to create Overrideredirect window overlapping out window
1115	with background type of Parent Relative and then grab it */
1116	XSetWindowAttributes attr;
1117	Window src;
1118	bool success = false;
1119		1253
1120	attr.background_pixmap = ParentRelative;	1254	/* straightforward pixmap copy */
1121	attr.backing_store = Always;	1255	while (sx < 0) sx += root_width;
1122	attr.event_mask = ExposureMask;	1256	while (sy < 0) sy += root_height;
1123	attr.override_redirect = True;
1124	src = XCreateWindow (dpy, root, sx, sy, window_width, window_height, 0,
1125	CopyFromParent, CopyFromParent, CopyFromParent,
1126	CWBackPixmap|CWBackingStore|CWOverrideRedirect|CWEventMask,
1127	&attr);
1128		1257
1129	if (src != None)	1258	gcv.tile = recoded_root_pmap;
1130	{	1259	gcv.fill_style = FillTiled;
1131	XEvent event;	1260	gcv.ts_x_origin = -sx;
1132	int ev_count = 0;	1261	gcv.ts_y_origin = -sy;
1133	XGrabServer (dpy);	1262	gc = XCreateGC (dpy, vt, GCFillStyle | GCTile | GCTileStipXOrigin | GCTileStipYOrigin, &gcv);
1134	XMapRaised (dpy, src);
1135	XSync (dpy, False);
1136		1263
1137	/* XSync should get window where it's properly exposed,	1264	if (gc)
1138	* but to be on the safe side - let's check for the actual event to arrive : */	1265	{
1139	while (XCheckWindowEvent (dpy, src, ExposureMask, &event))	1266	XFillRectangle (dpy, bg_pixmap, gc, 0, 0, window_width, window_height);
1140	++ev_count;	1267	result |= BG_IS_VALID | (bg_flags & BG_EFFECTS_FLAGS);
		1268	XFreeGC (dpy, gc);
1141		1269
1142	if (ev_count > 0);	1270	if (!(bg_flags & BG_CLIENT_RENDER))
		1271	{
		1272	if ((bg_flags & BG_NEEDS_BLUR)
		1273	&& (bg_flags & BG_HAS_RENDER_CONV))
1143	{	1274	{
1144	/* hooray! - we can grab the image! */	1275	if (blur_pixmap (bg_pixmap, visual, window_width, window_height))
1145	gc = XCreateGC (dpy, root, 0, NULL);	1276	result &= ~BG_NEEDS_BLUR;
1146	if (gc)
1147	{
1148	XCopyArea (dpy, src, tiled_root_pmap, gc, 0, 0, window_width, window_height, 0, 0);
1149	success = true;
1150	}
1151	}	1277	}
1152		1278	if ((bg_flags & BG_NEEDS_TINT)
1153	XDestroyWindow (dpy, src);	1279	&& (bg_flags & (BG_TINT_BITAND | BG_HAS_RENDER)))
1154	XUngrabServer (dpy);
1155	//fprintf (stderr, "%s:%d: ev_count = %d\n", __FUNCTION__, __LINE__, ev_count);
1156	}
1157
1158	if (!success)
1159	{
1160	XFreePixmap (dpy, tiled_root_pmap);
1161	tiled_root_pmap = None;
1162	}
1163	else
1164	result |= transpPmapTiled;
1165	}
1166	else
1167	{
1168	/* straightforward pixmap copy */
1169	gcv.tile = root_pixmap;
1170	gcv.fill_style = FillTiled;
1171
1172	while (sx < 0) sx += (int)root_width;
1173	while (sy < 0) sy += (int)root_height;
1174
1175	gcv.ts_x_origin = -sx;
1176	gcv.ts_y_origin = -sy;
1177	gc = XCreateGC (dpy, root, GCFillStyle | GCTile | GCTileStipXOrigin | GCTileStipYOrigin, &gcv);
1178
1179	if (gc)
1180	{
1181	XFillRectangle (dpy, tiled_root_pmap, gc, 0, 0, window_width, window_height);
1182	result |= transpPmapTiled;
1183	}
1184	}
1185	TIMING_TEST_PRINT_RESULT (tp);
1186
1187	if (tiled_root_pmap != None)
1188	{
1189	if (!need_client_side_rendering ())
1190	{
1191	if ((flags & tintNeeded))
1192	{	1280	{
1193	if (flags & tintWholesome)	1281	if (tint_pixmap (bg_pixmap, visual, window_width, window_height))
1194	{	1282	result &= ~BG_NEEDS_TINT;
1195	/* In this case we can tint image server-side getting significant
1196	* performance improvements, as we eliminate XImage transfer
1197	*/
1198	gcv.foreground = Pixel (tint);
1199	gcv.function = GXand;
1200	gcv.fill_style = FillSolid;
1201	if (gc)
1202	XChangeGC (dpy, gc, GCFillStyle | GCForeground | GCFunction, &gcv);
1203	else
1204	gc = XCreateGC (dpy, root, GCFillStyle | GCForeground | GCFunction, &gcv);
1205	if (gc)
1206	{
1207	XFillRectangle (dpy, tiled_root_pmap, gc, 0, 0, window_width, window_height);
1208	result |= transpPmapTinted;
1209	}
1210	}
1211	else
1212	{
1213	# if XFT
1214	Picture back_pic = 0;
1215	rgba c (rgba::MAX_CC,rgba::MAX_CC,rgba::MAX_CC);
1216
1217	if (flags & tintSet)
1218	tint.get (c);
1219
1220	if (shade > 0 && shade < 100)
1221	{
1222	c.r = (c.r * shade) / 100;
1223	c.g = (c.g * shade) / 100;
1224	c.b = (c.b * shade) / 100;
1225	}
1226	else if (shade > 100 && shade < 200)
1227	{
1228	c.r = (c.r * (200 - shade)) / 100;
1229	c.g = (c.g * (200 - shade)) / 100;
1230	c.b = (c.b * (200 - shade)) / 100;
1231	}
1232
1233	XRenderPictFormat pf;
1234	pf.type = PictTypeDirect;
1235	pf.depth = 32;
1236	pf.direct.redMask = 0xff;
1237	pf.direct.greenMask = 0xff;
1238	pf.direct.blueMask = 0xff;
1239	pf.direct.alphaMask = 0xff;
1240
1241	XRenderPictFormat *solid_format = XRenderFindFormat (dpy,
1242	(PictFormatType|
1243	PictFormatDepth|
1244	PictFormatRedMask|
1245	PictFormatGreenMask|
1246	PictFormatBlueMask|
1247	PictFormatAlphaMask),
1248	&pf,
1249	0);
1250	XRenderPictFormat *root_format = XRenderFindVisualFormat (dpy, DefaultVisualOfScreen (ScreenOfDisplay (dpy, target->display->screen)));
1251	XRenderPictureAttributes pa ;
1252
1253	back_pic = XRenderCreatePicture (dpy, tiled_root_pmap, root_format, 0, &pa);
1254
1255	pa.repeat = True;
1256
1257	Pixmap overlay_pmap = XCreatePixmap (dpy, root, 1, 1, 32);
1258	Picture overlay_pic = XRenderCreatePicture (dpy, overlay_pmap, solid_format, CPRepeat, &pa);
1259	XFreePixmap (dpy, overlay_pmap);
1260
1261	pa.component_alpha = True;
1262	Pixmap mask_pmap = XCreatePixmap (dpy, root, 1, 1, 32);
1263	Picture mask_pic = XRenderCreatePicture (dpy, mask_pmap, solid_format, CPRepeat|CPComponentAlpha, &pa);
1264	XFreePixmap (dpy, mask_pmap);
1265
1266	if (mask_pic && overlay_pic && back_pic)
1267	{
1268	XRenderColor mask_c;
1269
1270	memset (&mask_c, (shade > 100) ? 0xFF : 0x0, sizeof (mask_c));
1271	mask_c.alpha = 0xffff;
1272	XRenderFillRectangle (dpy, PictOpSrc, overlay_pic, &mask_c, 0, 0, 1, 1);
1273
1274	mask_c.alpha = 0;
1275	mask_c.red = 0xffff - c.r;
1276	mask_c.green = 0xffff - c.g;
1277	mask_c.blue = 0xffff - c.b;
1278	XRenderFillRectangle (dpy, PictOpSrc, mask_pic, &mask_c, 0, 0, 1, 1);
1279	XRenderComposite (dpy, PictOpOver, overlay_pic, mask_pic, back_pic, 0, 0, 0, 0, 0, 0, window_width, window_height);
1280	result |= transpPmapTinted;
1281	}
1282
1283	XRenderFreePicture (dpy, mask_pic);
1284	XRenderFreePicture (dpy, overlay_pic);
1285	XRenderFreePicture (dpy, back_pic);
1286	# if DO_TIMING_TEST
1287	XSync (dpy, False);
1288	# endif
1289	# endif
1290	}
1291	}	1283	}
1292	} /* server side rendering completed */	1284	} /* server side rendering completed */
1293
1294	if (pixmap)
1295	XFreePixmap (dpy, pixmap);
1296
1297	pixmap = tiled_root_pmap;
1298	pmap_width = window_width;
1299	pmap_height = window_height;
1300	pmap_depth = root_depth;
1301	}	1285	}
1302		1286
1303	if (gc)	1287	if (recoded_root_pmap != root_pixmap)
1304	XFreeGC (dpy, gc);	1288	XFreePixmap (dpy, recoded_root_pmap);
1305
1306	TIMING_TEST_PRINT_RESULT (tp);
1307		1289
1308	return result;	1290	return result;
1309	}	1291	}
1310		1292
		1293	void
		1294	rxvt_term::bg_set_root_pixmap ()
		1295	{
		1296	Pixmap new_root_pixmap = get_pixmap_property (xa[XA_XROOTPMAP_ID]);
		1297	if (new_root_pixmap == None)
		1298	new_root_pixmap = get_pixmap_property (xa[XA_ESETROOT_PMAP_ID]);
		1299
		1300	root_pixmap = new_root_pixmap;
		1301	}
		1302	# endif /* ENABLE_TRANSPARENCY */
		1303
		1304	#if defined(ENABLE_TRANSPARENCY) && !defined(HAVE_AFTERIMAGE)
		1305	static void shade_ximage (Visual *visual, XImage *ximage, int shade, const rgba &c);
		1306	# endif
		1307
1311	bool	1308	bool
1312	bgPixmap_t::set_root_pixmap ()	1309	rxvt_term::bg_render ()
1313	{	1310	{
1314	Pixmap new_root_pixmap = target->get_pixmap_property (XA_XROOTPMAP_ID);	1311	unsigned long tr_flags = 0;
1315	if (new_root_pixmap == None)
1316	new_root_pixmap = target->get_pixmap_property (XA_ESETROOT_PMAP_ID);
1317		1312
1318	if (new_root_pixmap != root_pixmap)	1313	bg_invalidate ();
1319	{	1314	# ifdef ENABLE_TRANSPARENCY
1320	root_pixmap = new_root_pixmap;	1315	if (bg_flags & BG_IS_TRANSPARENT)
1321	return true;
1322	}	1316	{
1323		1317	/* we need to re-generate transparency pixmap in that case ! */
		1318	tr_flags = make_transparency_pixmap ();
		1319	if (tr_flags == 0)
1324	return false;	1320	return false;
1325	}	1321	else if (!(tr_flags & BG_EFFECTS_FLAGS))
1326	# endif /* ENABLE_TRANSPARENCY */	1322	bg_flags |= BG_IS_VALID;
1327		1323	}
1328	# ifndef HAVE_AFTERIMAGE
1329	static void ShadeXImage(rxvt_term *term, XImage *srcImage, int shade, int rm, int gm, int bm);
1330	# endif	1324	# endif
1331		1325
1332	bool	1326	# ifdef BG_IMAGE_FROM_FILE
1333	bgPixmap_t::render ()	1327	if ((bg_flags & BG_IS_FROM_FILE)
1334	{	1328	|| (tr_flags & BG_EFFECTS_FLAGS))
1335	unsigned long background_flags = 0;
1336
1337	if (target == NULL)
1338	return false;
1339
1340	TIMING_TEST_START (tp);
1341
1342	invalidate ();
1343	# ifdef ENABLE_TRANSPARENCY
1344	if (flags & isTransparent)
1345	{	1329	{
1346	/* we need to re-generate transparency pixmap in that case ! */	1330	if (render_image (tr_flags))
1347	background_flags = make_transparency_pixmap ();	1331	bg_flags |= BG_IS_VALID;
1348	if (background_flags == 0)
1349	return false;
1350	else if ((background_flags & transpTransformations) == (flags & transpTransformations)
1351	&& pmap_depth == target->depth)
1352	flags = flags & ~isInvalid;
1353	}	1332	}
1354	# endif	1333	# endif
1355		1334
1356	# ifdef BG_IMAGE_FROM_FILE	1335	# if defined(ENABLE_TRANSPARENCY) && !defined(HAVE_AFTERIMAGE)
1357	if (have_image	1336	XImage *result = NULL;
1358	|| (background_flags & transpTransformations) != (flags & transpTransformations))	1337
		1338	if (tr_flags && !(bg_flags & BG_IS_VALID))
		1339	{
		1340	result = XGetImage (dpy, bg_pixmap, 0, 0, bg_pmap_width, bg_pmap_height, AllPlanes, ZPixmap);
1359	{	1341	}
1360	if (render_image (background_flags))	1342
1361	flags = flags & ~isInvalid;	1343	if (result)
		1344	{
		1345	/* our own client-side tinting */
		1346	if (tr_flags & BG_NEEDS_TINT)
		1347	{
		1348	rgba c (rgba::MAX_CC,rgba::MAX_CC,rgba::MAX_CC);
		1349	if (bg_flags & BG_TINT_SET)
		1350	tint.get (c);
		1351	shade_ximage (DefaultVisual (dpy, display->screen), result, shade, c);
		1352	}
		1353
		1354	GC gc = XCreateGC (dpy, vt, 0UL, NULL);
		1355
		1356	if (gc)
		1357	{
		1358	XPutImage (dpy, bg_pixmap, gc, result, 0, 0, 0, 0, result->width, result->height);
		1359
		1360	XFreeGC (dpy, gc);
		1361	bg_flags |= BG_IS_VALID;
		1362	}
		1363
		1364	XDestroyImage (result);
1362	}	1365	}
1363	# endif	1366	# endif
1364		1367
1365	XImage *result = NULL;	1368	if (!(bg_flags & BG_IS_VALID))
1366
1367	if (background_flags && (flags & isInvalid))
1368	{
1369	result = XGetImage (target->dpy, pixmap, 0, 0, pmap_width, pmap_height, AllPlanes, ZPixmap);
1370	}	1369	{
1371
1372	if (result)
1373	{
1374	# if !defined(HAVE_AFTERIMAGE) && !XFT
1375	/* our own client-side tinting */
1376	/* ATTENTION: We ASSUME that XFT will let us do all the tinting necessary server-side.
1377	This may need to be changed in need_client_side_rendering() logic is altered !!! */
1378	if (!(background_flags & transpPmapTinted) && (flags & tintNeeded))
1379	{
1380	rgba c (rgba::MAX_CC,rgba::MAX_CC,rgba::MAX_CC);
1381	if (flags & tintSet)
1382	tint.get (c);
1383	ShadeXImage (target, result, shade, c.r, c.g, c.b);
1384	}
1385	# endif
1386
1387	GC gc = XCreateGC (target->dpy, target->vt, 0UL, NULL);
1388
1389	if (gc)
1390	{
1391	if (/*pmap_depth != target->depth &&*/ pixmap != None)
1392	{
1393	XFreePixmap (target->dpy, pixmap);
1394	pixmap = None;
1395	}
1396
1397	if (pixmap == None)
1398	{
1399	pixmap = XCreatePixmap (target->dpy, target->vt, result->width, result->height, target->depth);
1400	pmap_width = result->width;
1401	pmap_height = result->height;
1402	pmap_depth = target->depth;
1403	}
1404
1405	if (pmap_depth != result->depth)
1406	{
1407	/* Bad Match error will ensue ! stupid X !!!! */
1408	if (result->depth == 24 && pmap_depth == 32)
1409	result->depth = 32;
1410	else if (result->depth == 32 && pmap_depth == 24)
1411	result->depth = 24;
1412	else
1413	{
1414	/* TODO: implement image recoding */
1415	}
1416	}
1417
1418	if (pmap_depth == result->depth)
1419	XPutImage (target->dpy, pixmap, gc, result, 0, 0, 0, 0, result->width, result->height);
1420
1421	XFreeGC (target->dpy, gc);
1422	flags = flags & ~isInvalid;
1423	}
1424
1425	XDestroyImage (result);
1426	}
1427
1428	if (flags & isInvalid)
1429	{
1430	if (pixmap != None)	1370	if (bg_pixmap != None)
1431	{	1371	{
1432	XFreePixmap (target->dpy, pixmap);	1372	XFreePixmap (dpy, bg_pixmap);
1433	pixmap = None;	1373	bg_pixmap = None;
1434	}	1374	}
1435	}	1375	}
1436		1376
1437	apply ();	1377	scr_recolour (false);
		1378	bg_flags |= BG_NEEDS_REFRESH;
1438		1379
1439	XSync (target->dpy, False);
1440	valid_since = ev::now ();	1380	bg_valid_since = ev::now ();
1441
1442	TIMING_TEST_PRINT_RESULT (tp);
1443		1381
1444	return true;	1382	return true;
1445	}	1383	}
1446		1384
1447	bool
1448	bgPixmap_t::set_target (rxvt_term *new_target)
1449	{
1450	if (new_target)
1451	if (target != new_target)
1452	{
1453	target = new_target;
1454	# ifdef ENABLE_TRANSPARENCY
1455	root_depth = DefaultDepthOfScreen (ScreenOfDisplay (target->dpy, target->display->screen));
1456	# endif
1457	return true;
1458	}
1459
1460	return false;
1461	}
1462
1463	void	1385	void
1464	bgPixmap_t::apply ()	1386	rxvt_term::bg_init ()
1465	{	1387	{
1466	if (target)
1467	{
1468	flags &= ~isVtOrigin;
1469
1470	if (pixmap != None)
1471	{
1472	/* set target's background to pixmap */
1473	# ifdef ENABLE_TRANSPARENCY	1388	#ifdef ENABLE_TRANSPARENCY
1474	if (flags & isTransparent)	1389	shade = 100;
1475	{
1476	XSetWindowBackgroundPixmap (target->dpy, target->parent[0], pixmap);
1477	XSetWindowBackgroundPixmap (target->dpy, target->vt, ParentRelative);
1478
1479	if (target->scrollBar.win)
1480	XSetWindowBackgroundPixmap (target->dpy, target->scrollBar.win, ParentRelative);
1481	}
1482	else
1483	# endif	1390	#endif
1484	{
1485	flags |= isVtOrigin;
1486	/* force old pixmap dereference in case it was transparent before :*/
1487	XSetWindowBackground (target->dpy, target->parent[0], target->pix_colors[Color_border]);
1488	XSetWindowBackgroundPixmap (target->dpy, target->vt, pixmap);
1489	/* do we also need to set scrollbar's background here ? */
1490		1391
1491	if (target->scrollBar.win)	1392	bg_flags &= ~(BG_HAS_RENDER | BG_HAS_RENDER_CONV);
1492	XSetWindowBackground (target->dpy, target->scrollBar.win, target->pix_colors[Color_border]);	1393	#if XRENDER
1493	}	1394	int major, minor;
1494	}	1395	if (XRenderQueryVersion (dpy, &major, &minor))
1495	else	1396	bg_flags |= BG_HAS_RENDER;
1496	{	1397	XFilters *filters = XRenderQueryFilters (dpy, vt);
1497	/* set target background to a pixel */	1398	if (filters)
1498	XSetWindowBackground (target->dpy, target->parent[0], target->pix_colors[Color_border]);
1499	XSetWindowBackground (target->dpy, target->vt, target->pix_colors[Color_bg]);
1500	/* do we also need to set scrollbar's background here ? */
1501	if (target->scrollBar.win)
1502	XSetWindowBackground (target->dpy, target->scrollBar.win, target->pix_colors[Color_border]);
1503	}
1504
1505	/* don't want Expose on the parent or vt. It is better to use
1506	scr_touch or we get a great deal of flicker otherwise: */
1507	XClearWindow (target->dpy, target->parent[0]);
1508
1509	if (target->scrollBar.state && target->scrollBar.win)
1510	{
1511	target->scrollBar.state = STATE_IDLE;
1512	target->scrollBar.show (0);
1513	}
1514
1515	target->want_refresh = 1;
1516	flags |= hasChanged;
1517	}	1399	{
		1400	for (int i = 0; i < filters->nfilter; i++)
		1401	if (!strcmp (filters->filter[i], FilterConvolution))
		1402	bg_flags |= BG_HAS_RENDER_CONV;
		1403
		1404	XFree (filters);
		1405	}
		1406	#endif
1518	}	1407	}
1519		1408
1520	#endif /* HAVE_BG_PIXMAP */	1409	#endif /* HAVE_BG_PIXMAP */
1521		1410
1522	#if defined(ENABLE_TRANSPARENCY) && !defined(HAVE_AFTERIMAGE) && !XFT	1411	#if defined(ENABLE_TRANSPARENCY) && !defined(HAVE_AFTERIMAGE)
1523	/* taken from aterm-0.4.2 */	1412	/* taken from aterm-0.4.2 */
1524		1413
1525	typedef uint32_t RUINT32T;
1526
1527	static void	1414	static void
1528	ShadeXImage(rxvt_term *term, XImage *srcImage, int shade, int rm, int gm, int bm)	1415	shade_ximage (Visual *visual, XImage *ximage, int shade, const rgba &c)
1529	{	1416	{
1530	int sh_r, sh_g, sh_b;	1417	int sh_r, sh_g, sh_b;
1531	RUINT32T mask_r, mask_g, mask_b;	1418	uint32_t mask_r, mask_g, mask_b;
1532	RUINT32T *lookup, *lookup_r, *lookup_g, *lookup_b;	1419	uint32_t *lookup, *lookup_r, *lookup_g, *lookup_b;
1533	unsigned int lower_lim_r, lower_lim_g, lower_lim_b;	1420	rgba low;
1534	unsigned int upper_lim_r, upper_lim_g, upper_lim_b;	1421	rgba high;
1535	int i;	1422	int i;
		1423	int host_byte_order = ecb_big_endian () ? MSBFirst : LSBFirst;
1536		1424
1537	Visual *visual = term->visual;
1538
1539	if (visual->c_class != TrueColor || srcImage->format != ZPixmap) return ;	1425	if (visual->c_class != TrueColor || ximage->format != ZPixmap) return;
1540
1541	if (shade == 0)
1542	shade = 100;
1543		1426
1544	/* for convenience */	1427	/* for convenience */
1545	mask_r = visual->red_mask;	1428	mask_r = visual->red_mask;
1546	mask_g = visual->green_mask;	1429	mask_g = visual->green_mask;
1547	mask_b = visual->blue_mask;	1430	mask_b = visual->blue_mask;
1548		1431
1549	/* boring lookup table pre-initialization */	1432	/* boring lookup table pre-initialization */
1550	switch (srcImage->bits_per_pixel) {	1433	switch (ximage->depth)
		1434	{
1551	case 15:	1435	case 15:
1552	if ((mask_r != 0x7c00) ||	1436	if ((mask_r != 0x7c00) ||
1553	(mask_g != 0x03e0) ||	1437	(mask_g != 0x03e0) ||
1554	(mask_b != 0x001f))	1438	(mask_b != 0x001f))
1555	return;	1439	return;
1556	lookup = (RUINT32T *) malloc (sizeof (RUINT32T)*(32+32+32));	1440	lookup = (uint32_t *) malloc (sizeof (uint32_t)*(32+32+32));
1557	lookup_r = lookup;	1441	lookup_r = lookup;
1558	lookup_g = lookup+32;	1442	lookup_g = lookup+32;
1559	lookup_b = lookup+32+32;	1443	lookup_b = lookup+32+32;
1560	sh_r = 10;	1444	sh_r = 10;
1561	sh_g = 5;	1445	sh_g = 5;
1562	sh_b = 0;	1446	sh_b = 0;
1563	break;	1447	break;
1564	case 16:	1448	case 16:
1565	if ((mask_r != 0xf800) ||	1449	if ((mask_r != 0xf800) ||
1566	(mask_g != 0x07e0) ||	1450	(mask_g != 0x07e0) ||
1567	(mask_b != 0x001f))	1451	(mask_b != 0x001f))
1568	return;	1452	return;
1569	lookup = (RUINT32T *) malloc (sizeof (RUINT32T)*(32+64+32));	1453	lookup = (uint32_t *) malloc (sizeof (uint32_t)*(32+64+32));
1570	lookup_r = lookup;	1454	lookup_r = lookup;
1571	lookup_g = lookup+32;	1455	lookup_g = lookup+32;
1572	lookup_b = lookup+32+64;	1456	lookup_b = lookup+32+64;
1573	sh_r = 11;	1457	sh_r = 11;
1574	sh_g = 5;	1458	sh_g = 5;
1575	sh_b = 0;	1459	sh_b = 0;
1576	break;	1460	break;
1577	case 24:	1461	case 24:
1578	if ((mask_r != 0xff0000) ||	1462	if ((mask_r != 0xff0000) ||
1579	(mask_g != 0x00ff00) ||	1463	(mask_g != 0x00ff00) ||
1580	(mask_b != 0x0000ff))	1464	(mask_b != 0x0000ff))
1581	return;	1465	return;
1582	lookup = (RUINT32T *) malloc (sizeof (RUINT32T)*(256+256+256));	1466	lookup = (uint32_t *) malloc (sizeof (uint32_t)*(256+256+256));
1583	lookup_r = lookup;	1467	lookup_r = lookup;
1584	lookup_g = lookup+256;	1468	lookup_g = lookup+256;
1585	lookup_b = lookup+256+256;	1469	lookup_b = lookup+256+256;
1586	sh_r = 16;	1470	sh_r = 16;
1587	sh_g = 8;	1471	sh_g = 8;
1588	sh_b = 0;	1472	sh_b = 0;
1589	break;	1473	break;
1590	case 32:	1474	case 32:
1591	if ((mask_r != 0xff0000) ||	1475	if ((mask_r != 0xff0000) ||
1592	(mask_g != 0x00ff00) ||	1476	(mask_g != 0x00ff00) ||
1593	(mask_b != 0x0000ff))	1477	(mask_b != 0x0000ff))
1594	return;	1478	return;
1595	lookup = (RUINT32T *) malloc (sizeof (RUINT32T)*(256+256+256));	1479	lookup = (uint32_t *) malloc (sizeof (uint32_t)*(256+256+256));
1596	lookup_r = lookup;	1480	lookup_r = lookup;
1597	lookup_g = lookup+256;	1481	lookup_g = lookup+256;
1598	lookup_b = lookup+256+256;	1482	lookup_b = lookup+256+256;
1599	sh_r = 16;	1483	sh_r = 16;
1600	sh_g = 8;	1484	sh_g = 8;
1601	sh_b = 0;	1485	sh_b = 0;
1602	break;	1486	break;
1603	default:	1487	default:
1604	return; /* we do not support this color depth */	1488	return; /* we do not support this color depth */
1605	}	1489	}
1606		1490
1607	/* prepare limits for color transformation (each channel is handled separately) */	1491	/* prepare limits for color transformation (each channel is handled separately) */
1608	if (shade < 0) {	1492	if (shade > 100)
		1493	{
1609	shade = -shade;	1494	shade = 200 - shade;
1610	if (shade < 0) shade = 0;
1611	if (shade > 100) shade = 100;
1612		1495
1613	lower_lim_r = 65535-rm;	1496	high.r = c.r * shade / 100;
1614	lower_lim_g = 65535-gm;	1497	high.g = c.g * shade / 100;
1615	lower_lim_b = 65535-bm;	1498	high.b = c.b * shade / 100;
1616		1499
1617	lower_lim_r = 65535-(unsigned int)(((RUINT32T)lower_lim_r)*((RUINT32T)shade)/100);	1500	low.r = 65535 * (100 - shade) / 100;
1618	lower_lim_g = 65535-(unsigned int)(((RUINT32T)lower_lim_g)*((RUINT32T)shade)/100);	1501	low.g = 65535 * (100 - shade) / 100;
1619	lower_lim_b = 65535-(unsigned int)(((RUINT32T)lower_lim_b)*((RUINT32T)shade)/100);	1502	low.b = 65535 * (100 - shade) / 100;
1620
1621	upper_lim_r = upper_lim_g = upper_lim_b = 65535;
1622	} else {
1623	if (shade < 0) shade = 0;
1624	if (shade > 100) shade = 100;
1625
1626	lower_lim_r = lower_lim_g = lower_lim_b = 0;
1627
1628	upper_lim_r = (unsigned int)((((RUINT32T)rm)*((RUINT32T)shade))/100);
1629	upper_lim_g = (unsigned int)((((RUINT32T)gm)*((RUINT32T)shade))/100);
1630	upper_lim_b = (unsigned int)((((RUINT32T)bm)*((RUINT32T)shade))/100);
1631	}	1503	}
1632		1504	else
1633	/* switch red and blue bytes if necessary, we need it for some weird XServers like XFree86 3.3.3.1 */
1634	if ((srcImage->bits_per_pixel == 24) && (mask_r >= 0xFF0000 ))
1635	{	1505	{
1636	unsigned int tmp;	1506	high.r = c.r * shade / 100;
		1507	high.g = c.g * shade / 100;
		1508	high.b = c.b * shade / 100;
1637		1509
1638	tmp = lower_lim_r;	1510	low.r = low.g = low.b = 0;
1639	lower_lim_r = lower_lim_b;
1640	lower_lim_b = tmp;
1641
1642	tmp = upper_lim_r;
1643	upper_lim_r = upper_lim_b;
1644	upper_lim_b = tmp;
1645	}	1511	}
1646		1512
1647	/* fill our lookup tables */	1513	/* fill our lookup tables */
1648	for (i = 0; i <= mask_r>>sh_r; i++)	1514	for (i = 0; i <= mask_r>>sh_r; i++)
1649	{	1515	{
1650	RUINT32T tmp;	1516	uint32_t tmp;
1651	tmp = ((RUINT32T)i)*((RUINT32T)(upper_lim_r-lower_lim_r));	1517	tmp = i * high.r;
1652	tmp += ((RUINT32T)(mask_r>>sh_r))*((RUINT32T)lower_lim_r);	1518	tmp += (mask_r>>sh_r) * low.r;
1653	lookup_r[i] = (tmp/65535)<<sh_r;	1519	lookup_r[i] = (tmp/65535)<<sh_r;
1654	}	1520	}
1655	for (i = 0; i <= mask_g>>sh_g; i++)	1521	for (i = 0; i <= mask_g>>sh_g; i++)
1656	{	1522	{
1657	RUINT32T tmp;	1523	uint32_t tmp;
1658	tmp = ((RUINT32T)i)*((RUINT32T)(upper_lim_g-lower_lim_g));	1524	tmp = i * high.g;
1659	tmp += ((RUINT32T)(mask_g>>sh_g))*((RUINT32T)lower_lim_g);	1525	tmp += (mask_g>>sh_g) * low.g;
1660	lookup_g[i] = (tmp/65535)<<sh_g;	1526	lookup_g[i] = (tmp/65535)<<sh_g;
1661	}	1527	}
1662	for (i = 0; i <= mask_b>>sh_b; i++)	1528	for (i = 0; i <= mask_b>>sh_b; i++)
1663	{	1529	{
1664	RUINT32T tmp;	1530	uint32_t tmp;
1665	tmp = ((RUINT32T)i)*((RUINT32T)(upper_lim_b-lower_lim_b));	1531	tmp = i * high.b;
1666	tmp += ((RUINT32T)(mask_b>>sh_b))*((RUINT32T)lower_lim_b);	1532	tmp += (mask_b>>sh_b) * low.b;
1667	lookup_b[i] = (tmp/65535)<<sh_b;	1533	lookup_b[i] = (tmp/65535)<<sh_b;
1668	}	1534	}
1669		1535
1670	/* apply table to input image (replacing colors by newly calculated ones) */	1536	/* apply table to input image (replacing colors by newly calculated ones) */
1671	switch (srcImage->bits_per_pixel)	1537	if (ximage->bits_per_pixel == 32
		1538	&& (ximage->depth == 24 || ximage->depth == 32)
		1539	&& ximage->byte_order == host_byte_order)
1672	{	1540	{
1673	case 15:
1674	{
1675	unsigned short *p1, *pf, *p, *pl;	1541	uint32_t *p1, *pf, *p, *pl;
1676	p1 = (unsigned short *) srcImage->data;	1542	p1 = (uint32_t *) ximage->data;
1677	pf = (unsigned short *) (srcImage->data + srcImage->height * srcImage->bytes_per_line);	1543	pf = (uint32_t *) (ximage->data + ximage->height * ximage->bytes_per_line);
		1544
1678	while (p1 < pf)	1545	while (p1 < pf)
1679	{	1546	{
1680	p = p1;	1547	p = p1;
1681	pl = p1 + srcImage->width;	1548	pl = p1 + ximage->width;
1682	for (; p < pl; p++)	1549	for (; p < pl; p++)
1683	{	1550	{
1684	*p = lookup_r[(*p & 0x7c00)>>10] |
1685	lookup_g[(*p & 0x03e0)>> 5] |
1686	lookup_b[(*p & 0x001f)];
1687	}
1688	p1 = (unsigned short *) ((char *) p1 + srcImage->bytes_per_line);
1689	}
1690	break;
1691	}
1692	case 16:
1693	{
1694	unsigned short *p1, *pf, *p, *pl;
1695	p1 = (unsigned short *) srcImage->data;
1696	pf = (unsigned short *) (srcImage->data + srcImage->height * srcImage->bytes_per_line);
1697	while (p1 < pf)
1698	{
1699	p = p1;
1700	pl = p1 + srcImage->width;
1701	for (; p < pl; p++)
1702	{
1703	*p = lookup_r[(*p & 0xf800)>>11] |
1704	lookup_g[(*p & 0x07e0)>> 5] |
1705	lookup_b[(*p & 0x001f)];
1706	}
1707	p1 = (unsigned short *) ((char *) p1 + srcImage->bytes_per_line);
1708	}
1709	break;
1710	}
1711	case 24:
1712	{
1713	unsigned char *p1, *pf, *p, *pl;
1714	p1 = (unsigned char *) srcImage->data;
1715	pf = (unsigned char *) (srcImage->data + srcImage->height * srcImage->bytes_per_line);
1716	while (p1 < pf)
1717	{
1718	p = p1;
1719	pl = p1 + srcImage->width * 3;
1720	for (; p < pl; p += 3)
1721	{
1722	p[0] = lookup_r[(p[0] & 0xff0000)>>16];
1723	p[1] = lookup_r[(p[1] & 0x00ff00)>> 8];
1724	p[2] = lookup_r[(p[2] & 0x0000ff)];
1725	}
1726	p1 = (unsigned char *) ((char *) p1 + srcImage->bytes_per_line);
1727	}
1728	break;
1729	}
1730	case 32:
1731	{
1732	RUINT32T *p1, *pf, *p, *pl;
1733	p1 = (RUINT32T *) srcImage->data;
1734	pf = (RUINT32T *) (srcImage->data + srcImage->height * srcImage->bytes_per_line);
1735
1736	while (p1 < pf)
1737	{
1738	p = p1;
1739	pl = p1 + srcImage->width;
1740	for (; p < pl; p++)
1741	{
1742	*p = lookup_r[(*p & 0xff0000)>>16] |	1551	*p = lookup_r[(*p & 0xff0000) >> 16] |
1743	lookup_g[(*p & 0x00ff00)>> 8] |	1552	lookup_g[(*p & 0x00ff00) >> 8] |
1744	lookup_b[(*p & 0x0000ff)] |	1553	lookup_b[(*p & 0x0000ff)] |
1745	(*p & ~0xffffff);	1554	(*p & 0xff000000);
		1555	}
		1556	p1 = (uint32_t *) ((char *) p1 + ximage->bytes_per_line);
		1557	}
		1558	}
		1559	else
		1560	{
		1561	for (int y = 0; y < ximage->height; y++)
		1562	for (int x = 0; x < ximage->width; x++)
		1563	{
		1564	unsigned long pixel = XGetPixel (ximage, x, y);
		1565	pixel = lookup_r[(pixel & mask_r) >> sh_r] |
		1566	lookup_g[(pixel & mask_g) >> sh_g] |
		1567	lookup_b[(pixel & mask_b) >> sh_b];
		1568	XPutPixel (ximage, x, y, pixel);
1746	}	1569	}
1747	p1 = (RUINT32T *) ((char *) p1 + srcImage->bytes_per_line);
1748	}	1570	}
1749	break;
1750	}
1751	}
1752		1571
1753	free (lookup);	1572	free (lookup);
1754	}	1573	}
1755	#endif /* defined(ENABLE_TRANSPARENCY) && !defined(HAVE_AFTERIMAGE) */	1574	#endif /* defined(ENABLE_TRANSPARENCY) && !defined(HAVE_AFTERIMAGE) */

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