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Comparing rxvt-unicode/src/background.C (file contents):
Revision 1.56 by sf-exg, Thu Sep 2 23:40:56 2010 UTC vs.
Revision 1.162 by sf-exg, Thu Aug 11 12:27:26 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 && size > target_size)	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;
		257	x = y = 0;
		258	geom_flags = WidthValue|HeightValue|XValue|YValue;
		259	}
		260	else if (!strcasecmp (arr[i], "style=aspect-stretched"))
		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;
		275	w = h = noScale;
		276	x = y = centerAlign;
		277	geom_flags = WidthValue|HeightValue|XValue|YValue;
		278	}
		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;
		291
		292	// deprecated
		293	else if (!strcasecmp (arr[i], "tile"))
		294	{
		295	new_flags |= BG_TILE;
		296	w = h = noScale;
389	geom_flags |= WidthValue|HeightValue;	297	geom_flags |= WidthValue|HeightValue;
390	}	298	}
391	else if (CHECK_GEOM_OPS ("propscale"))	299	else if (!strcasecmp (arr[i], "propscale"))
392	{	300	{
393	if (w == 0 && h == 0)	301	new_flags |= BG_PROP_SCALE;
		302	}
		303	else if (!strcasecmp (arr[i], "hscale"))
394	{	304	{
		305	new_flags |= BG_TILE;
395	w = windowScale;	306	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;	307	h = noScale;
405	geom_flags |= WidthValue|HeightValue;	308	geom_flags |= WidthValue|HeightValue;
406	}	309	}
407	else if (CHECK_GEOM_OPS ("vscale"))	310	else if (!strcasecmp (arr[i], "vscale"))
408	{	311	{
		312	new_flags |= BG_TILE;
409	if (h == 0) h = windowScale;	313	h = windowScale;
410
411	w = noScale;	314	w = noScale;
412	geom_flags |= WidthValue|HeightValue;	315	geom_flags |= WidthValue|HeightValue;
413	}	316	}
414	else if (CHECK_GEOM_OPS ("scale"))	317	else if (!strcasecmp (arr[i], "scale"))
415	{	318	{
416	if (h == 0) h = windowScale;
417	if (w == 0) w = windowScale;	319	w = h = windowScale;
418
419	geom_flags |= WidthValue|HeightValue;	320	geom_flags |= WidthValue|HeightValue;
420	}	321	}
421	else if (CHECK_GEOM_OPS ("auto"))	322	else if (!strcasecmp (arr[i], "auto"))
422	{	323	{
423	w = h = windowScale;	324	w = h = windowScale;
424	x = y = centerAlign;	325	x = y = centerAlign;
425	geom_flags |= WidthValue|HeightValue|XValue|YValue;	326	geom_flags |= WidthValue|HeightValue|XValue|YValue;
426	}	327	}
427	else if (CHECK_GEOM_OPS ("root"))	328	else if (!strcasecmp (arr[i], "root"))
428	{	329	{
		330	new_flags |= BG_TILE|BG_ROOT_ALIGN;
429	w = h = noScale;	331	w = h = noScale;
430	x = y = rootAlign;
431	geom_flags |= WidthValue|HeightValue|XValue|YValue;	332	geom_flags |= WidthValue|HeightValue;
432	}	333	}
433	# undef CHECK_GEOM_OPS
434
435	while (*ops != ':' && *ops != '\0') ++ops;
436	} /* done parsing ops */	334	} /* done parsing ops */
437	}
438		335
		336	rxvt_free_strsplit (arr);
		337	}
		338
439	if (check_set_scale_value (geom_flags, WidthValue, h_scale, w)) ++changed;	339	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;	340	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;	341	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;	342	if (check_set_align_value (geom_flags, YValue, v_align, y)) changed = true;
443	}
444		343
445	if (new_flags != flags)	344	if (new_flags != bg_flags)
446	{	345	{
447	flags = new_flags;	346	bg_flags = new_flags;
448	changed++;	347	changed = true;
449	}	348	}
450		349
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);	350	return changed;
		351	}
		352
		353	void
		354	rxvt_term::get_image_geometry (int image_width, int image_height, int &w, int &h, int &x, int &y)
		355	{
		356	int target_width = szHint.width;
		357	int target_height = szHint.height;
		358
		359	if (bg_flags & BG_PROP_SCALE)
		360	{
		361	float scale = (float)target_width / image_width;
		362	min_it (scale, (float)target_height / image_height);
		363	w = image_width * scale + 0.5;
		364	h = image_height * scale + 0.5;
		365	}
		366	else
		367	{
		368	w = h_scale * target_width / 100;
		369	h = v_scale * target_height / 100;
		370	}
		371
		372	if (!w) w = image_width;
		373	if (!h) h = image_height;
		374
		375	if (bg_flags & BG_ROOT_ALIGN)
		376	{
		377	x = -target_x;
		378	y = -target_y;
		379	}
		380	else
		381	{
		382	x = make_align_position (h_align, target_width, w);
		383	y = make_align_position (v_align, target_height, h);
		384	}
		385
		386	bg_flags &= ~BG_IS_SIZE_SENSITIVE;
		387	if (!(bg_flags & BG_TILE)
		388	|| (bg_flags & BG_PROP_SCALE) || h_scale || v_scale
		389	|| (!(bg_flags & BG_ROOT_ALIGN) && (h_align || v_align))
		390	|| w > target_width || h > target_height)
		391	bg_flags |= BG_IS_SIZE_SENSITIVE;
454	}	392	}
455		393
456	# ifdef HAVE_AFTERIMAGE	394	# ifdef HAVE_AFTERIMAGE
457	bool	395	bool
458	bgPixmap_t::render_image (unsigned long background_flags)	396	rxvt_term::render_image (unsigned long tr_flags)
459	{	397	{
460	if (target == NULL)
461	return false;
462
463	target->init_asv ();	398	init_asv ();
464		399
465	ASImage *background = NULL;	400	ASImage *background = NULL;
466	ARGB32 background_tint = TINT_LEAVE_SAME;	401	ARGB32 background_tint = TINT_LEAVE_SAME;
467		402
468	# ifdef ENABLE_TRANSPARENCY	403	# ifdef ENABLE_TRANSPARENCY
469	if (background_flags)	404	if (tr_flags)
470	background = pixmap2ximage (target->asv, pixmap, 0, 0, pmap_width, pmap_height, AllPlanes, 100);	405	background = pixmap2ximage (asv, bg_pixmap, 0, 0, bg_pmap_width, bg_pmap_height, AllPlanes, 100);
471		406
472	if (!(background_flags & transpPmapTinted) && (flags & tintNeeded))	407	if (tr_flags & BG_NEEDS_TINT)
473	{	408	{
474	ShadingInfo as_shade;	409	ShadingInfo as_shade;
475	as_shade.shading = (shade == 0) ? 100 : shade;	410	as_shade.shading = shade;
476		411
477	rgba c (rgba::MAX_CC,rgba::MAX_CC,rgba::MAX_CC);	412	rgba c (rgba::MAX_CC,rgba::MAX_CC,rgba::MAX_CC);
478	if (flags & tintSet)	413	if (bg_flags & BG_TINT_SET)
479	tint.get (c);	414	tint.get (c);
480	as_shade.tintColor.red = c.r;	415	as_shade.tintColor.red = c.r;
481	as_shade.tintColor.green = c.g;	416	as_shade.tintColor.green = c.g;
482	as_shade.tintColor.blue = c.b;	417	as_shade.tintColor.blue = c.b;
483		418
484	background_tint = shading2tint32 (&as_shade);	419	background_tint = shading2tint32 (&as_shade);
485	}	420	}
486		421
487	if (!(background_flags & transpPmapBlured) && (flags & blurNeeded) && background != NULL)	422	if ((tr_flags & BG_NEEDS_BLUR) && background != NULL)
488	{	423	{
489	ASImage *tmp = blur_asimage_gauss (target->asv, background, h_blurRadius, v_blurRadius, 0xFFFFFFFF,	424	ASImage *tmp = blur_asimage_gauss (asv, background, h_blurRadius, v_blurRadius, 0xFFFFFFFF,
490	(original_asim == NULL || tint == TINT_LEAVE_SAME) ? ASA_XImage : ASA_ASImage,	425	(original_asim == NULL || tint == TINT_LEAVE_SAME) ? ASA_XImage : ASA_ASImage,
491	100, ASIMAGE_QUALITY_DEFAULT);	426	100, ASIMAGE_QUALITY_DEFAULT);
492	if (tmp)	427	if (tmp)
493	{	428	{
494	destroy_asimage (&background);	429	destroy_asimage (&background);
…		…
497	}	432	}
498	# endif	433	# endif
499		434
500	ASImage *result = 0;	435	ASImage *result = 0;
501		436
502	int target_width = target->szHint.width;	437	int target_width = szHint.width;
503	int target_height = target->szHint.height;	438	int target_height = szHint.height;
504	int new_pmap_width = target_width;	439	int new_pmap_width = target_width;
505	int new_pmap_height = target_height;	440	int new_pmap_height = target_height;
506		441
507	int x = 0;	442	int x = 0;
508	int y = 0;	443	int y = 0;
509	int w = h_scale * target_width / 100;	444	int w = 0;
510	int h = v_scale * target_height / 100;	445	int h = 0;
511
512	TIMING_TEST_START (asim);
513		446
514	if (original_asim)	447	if (original_asim)
515	{	448	get_image_geometry (original_asim->width, original_asim->height, w, h, x, y);
516	if (h_align == rootAlign || v_align == rootAlign)
517	{
518	target->get_window_origin (x, y);
519	x = -x;
520	y = -y;
521	}
522
523	if (h_align != rootAlign)
524	x = make_align_position (h_align, target_width, w > 0 ? w : (int)original_asim->width);
525
526	if (v_align != rootAlign)
527	y = make_align_position (v_align, target_height, h > 0 ? h : (int)original_asim->height);
528	}
529		449
530	if (!original_asim	450	if (!original_asim
		451	|| (!(bg_flags & BG_ROOT_ALIGN)
531	|| x >= target_width	452	&& (x >= target_width
532	|| y >= target_height	453	|| y >= target_height
533	|| (w > 0 && x + w <= 0)	454	|| (x + w <= 0)
534	|| (h > 0 && y + h <= 0))	455	|| (y + h <= 0))))
535	{	456	{
536	if (background)	457	if (background)
537	{	458	{
538	new_pmap_width = background->width;	459	new_pmap_width = background->width;
539	new_pmap_height = background->height;	460	new_pmap_height = background->height;
540	result = background;	461	result = background;
541		462
542	if (background_tint != TINT_LEAVE_SAME)	463	if (background_tint != TINT_LEAVE_SAME)
543	{	464	{
544	ASImage *tmp = tile_asimage (target->asv, background, 0, 0,	465	ASImage *tmp = tile_asimage (asv, background, 0, 0,
545	target_width, target_height, background_tint,	466	target_width, target_height, background_tint,
546	ASA_XImage, 100, ASIMAGE_QUALITY_DEFAULT);	467	ASA_XImage, 100, ASIMAGE_QUALITY_DEFAULT);
547	if (tmp)	468	if (tmp)
548	result = tmp;	469	result = tmp;
549	}	470	}
…		…
553	}	474	}
554	else	475	else
555	{	476	{
556	result = original_asim;	477	result = original_asim;
557		478
558	if ((w > 0 && w != original_asim->width)	479	if ((w != original_asim->width)
559	|| (h > 0 && h != original_asim->height))	480	|| (h != original_asim->height))
560	{	481	{
561	result = scale_asimage (target->asv, original_asim,	482	result = scale_asimage (asv, original_asim,
562	w > 0 ? w : original_asim->width,	483	w, h,
563	h > 0 ? h : original_asim->height,
564	background ? ASA_ASImage : ASA_XImage,	484	background ? ASA_ASImage : ASA_XImage,
565	100, ASIMAGE_QUALITY_DEFAULT);	485	100, ASIMAGE_QUALITY_DEFAULT);
566	}	486	}
567		487
568	if (background == NULL)	488	if (background == NULL)
569	{	489	{
		490	if (bg_flags & BG_TILE)
		491	{
570	/* if tiling - pixmap has to be sized exactly as the image,	492	/* if tiling - pixmap has to be sized exactly as the image,
571	but there is no need to make it bigger than the window! */	493	but there is no need to make it bigger than the window! */
572	if (h_scale == 0)
573	new_pmap_width = min (result->width, target_width);	494	new_pmap_width = min (result->width, target_width);
574	if (v_scale == 0)
575	new_pmap_height = min (result->height, target_height);	495	new_pmap_height = min (result->height, target_height);
		496
576	/* we also need to tile our image in one or both directions */	497	/* we also need to tile our image in both directions */
577	if (h_scale == 0 || v_scale == 0)
578	{
579	ASImage *tmp = tile_asimage (target->asv, result,	498	ASImage *tmp = tile_asimage (asv, result,
580	(h_scale > 0) ? 0 : (int)result->width - x,	499	(int)result->width - x,
581	(v_scale > 0) ? 0 : (int)result->height - y,	500	(int)result->height - y,
582	new_pmap_width,	501	new_pmap_width,
583	new_pmap_height,	502	new_pmap_height,
584	TINT_LEAVE_SAME, ASA_XImage,	503	TINT_LEAVE_SAME, ASA_XImage,
585	100, ASIMAGE_QUALITY_DEFAULT);	504	100, ASIMAGE_QUALITY_DEFAULT);
586	if (tmp)	505	if (tmp)
…		…
601	layers[0].clip_width = target_width;	520	layers[0].clip_width = target_width;
602	layers[0].clip_height = target_height;	521	layers[0].clip_height = target_height;
603	layers[0].tint = background_tint;	522	layers[0].tint = background_tint;
604	layers[1].im = result;	523	layers[1].im = result;
605		524
606	if (w <= 0)	525	if (bg_flags & BG_TILE)
607	{	526	{
608	/* tile horizontally */	527	/* tile horizontally */
609	while (x > 0) x -= (int)result->width;	528	while (x > 0) x -= (int)result->width;
610	layers[1].dst_x = x;	529	layers[1].dst_x = x;
611	layers[1].clip_width = result->width+target_width;	530	layers[1].clip_width = result->width+target_width;
…		…
615	/* clip horizontally */	534	/* clip horizontally */
616	layers[1].dst_x = x;	535	layers[1].dst_x = x;
617	layers[1].clip_width = result->width;	536	layers[1].clip_width = result->width;
618	}	537	}
619		538
620	if (h <= 0)	539	if (bg_flags & BG_TILE)
621	{	540	{
622	while (y > 0) y -= (int)result->height;	541	while (y > 0) y -= (int)result->height;
623	layers[1].dst_y = y;	542	layers[1].dst_y = y;
624	layers[1].clip_height = result->height + target_height;	543	layers[1].clip_height = result->height + target_height;
625	}	544	}
…		…
627	{	546	{
628	layers[1].dst_y = y;	547	layers[1].dst_y = y;
629	layers[1].clip_height = result->height;	548	layers[1].clip_height = result->height;
630	}	549	}
631		550
632	if (target->rs[Rs_blendtype])	551	if (rs[Rs_blendtype])
633	{	552	{
634	layers[1].merge_scanlines = blend_scanlines_name2func (target->rs[Rs_blendtype]);	553	layers[1].merge_scanlines = blend_scanlines_name2func (rs[Rs_blendtype]);
635	if (layers[1].merge_scanlines == NULL)	554	if (layers[1].merge_scanlines == NULL)
636	layers[1].merge_scanlines = alphablend_scanlines;	555	layers[1].merge_scanlines = alphablend_scanlines;
637	}	556	}
638		557
639	ASImage *tmp = merge_layers (target->asv, layers, 2, target_width, target_height,	558	ASImage *tmp = merge_layers (asv, layers, 2, target_width, target_height,
640	ASA_XImage, 0, ASIMAGE_QUALITY_DEFAULT);	559	ASA_XImage, 0, ASIMAGE_QUALITY_DEFAULT);
641		560
642	if (tmp)	561	if (tmp)
643	{	562	{
644	if (result != original_asim)	563	if (result != original_asim)
…		…
648	}	567	}
649		568
650	free (layers);	569	free (layers);
651	}	570	}
652	}	571	}
653	TIMING_TEST_PRINT_RESULT (asim);
654		572
655	bool ret = false;	573	bool ret = false;
656		574
657	if (result)	575	if (result)
658	{	576	{
659	XGCValues gcv;	577	XGCValues gcv;
660	GC gc;	578	GC gc;
661		579
662	if (pixmap)
663	{
664	if (pmap_width != new_pmap_width
665	|| pmap_height != new_pmap_height
666	|| pmap_depth != target->depth)
667	{
668	XFreePixmap (target->dpy, pixmap);
669	pixmap = None;
670	}
671	}
672
673	/* create Pixmap */	580	/* create Pixmap */
674	if (pixmap == None)	581	if (bg_pixmap == None
		582	|| bg_pmap_width != new_pmap_width
		583	|| bg_pmap_height != new_pmap_height)
675	{	584	{
		585	if (bg_pixmap)
		586	XFreePixmap (dpy, bg_pixmap);
676	pixmap = XCreatePixmap (target->dpy, target->vt, new_pmap_width, new_pmap_height, target->depth);	587	bg_pixmap = XCreatePixmap (dpy, vt, new_pmap_width, new_pmap_height, depth);
677	pmap_width = new_pmap_width;	588	bg_pmap_width = new_pmap_width;
678	pmap_height = new_pmap_height;	589	bg_pmap_height = new_pmap_height;
679	pmap_depth = target->depth;
680	}	590	}
681	/* fill with background color (if result's not completely overlapping it) */	591	/* fill with background color (if result's not completely overlapping it) */
682	gcv.foreground = target->pix_colors[Color_bg];	592	gcv.foreground = pix_colors[Color_bg];
683	gc = XCreateGC (target->dpy, target->vt, GCForeground, &gcv);	593	gc = XCreateGC (dpy, vt, GCForeground, &gcv);
684		594
685	int src_x = 0, src_y = 0, dst_x = 0, dst_y = 0;	595	int src_x = 0, src_y = 0, dst_x = 0, dst_y = 0;
686	int dst_width = result->width, dst_height = result->height;	596	int dst_width = result->width, dst_height = result->height;
687	if (background == NULL)	597	if (background == NULL)
688	{	598	{
		599	if (!(bg_flags & BG_TILE))
		600	{
689	if (h_scale > 0) src_x = make_clip_rectangle (x, result->width , new_pmap_width , dst_x, dst_width );	601	src_x = make_clip_rectangle (x, result->width , new_pmap_width , dst_x, dst_width );
690	if (v_scale > 0) src_y = make_clip_rectangle (y, result->height, new_pmap_height, dst_y, dst_height);	602	src_y = make_clip_rectangle (y, result->height, new_pmap_height, dst_y, dst_height);
		603	}
691		604
692	if (dst_x > 0 || dst_y > 0	605	if (dst_x > 0 || dst_y > 0
693	|| dst_x + dst_width < new_pmap_width	606	|| dst_x + dst_width < new_pmap_width
694	|| dst_y + dst_height < new_pmap_height)	607	|| dst_y + dst_height < new_pmap_height)
695	XFillRectangle (target->dpy, pixmap, gc, 0, 0, new_pmap_width, new_pmap_height);	608	XFillRectangle (dpy, bg_pixmap, gc, 0, 0, new_pmap_width, new_pmap_height);
696	}	609	}
697		610
698	/* put result on pixmap */	611	/* put result on pixmap */
699	if (dst_x < new_pmap_width && dst_y < new_pmap_height)	612	if (dst_x < new_pmap_width && dst_y < new_pmap_height)
700	asimage2drawable (target->asv, pixmap, result, gc, src_x, src_y, dst_x, dst_y, dst_width, dst_height, True);	613	asimage2drawable (asv, bg_pixmap, result, gc, src_x, src_y, dst_x, dst_y, dst_width, dst_height, True);
701		614
702	if (result != background && result != original_asim)	615	if (result != background && result != original_asim)
703	destroy_asimage (&result);	616	destroy_asimage (&result);
704		617
705	XFreeGC (target->dpy, gc);	618	XFreeGC (dpy, gc);
706	TIMING_TEST_PRINT_RESULT (asim);
707		619
708	ret = true;	620	ret = true;
709	}	621	}
710		622
711	if (background)	623	if (background)
…		…
715	}	627	}
716	# endif /* HAVE_AFTERIMAGE */	628	# endif /* HAVE_AFTERIMAGE */
717		629
718	# ifdef HAVE_PIXBUF	630	# ifdef HAVE_PIXBUF
719	bool	631	bool
720	bgPixmap_t::render_image (unsigned long background_flags)	632	rxvt_term::pixbuf_to_pixmap (GdkPixbuf *pixbuf, Pixmap pixmap, GC gc,
		633	int src_x, int src_y, int dst_x, int dst_y,
		634	unsigned int width, unsigned int height)
721	{	635	{
722	if (target == NULL)	636	XImage *ximage;
		637	char *data, *line;
		638	int bytes_per_pixel;
		639	int width_r, width_g, width_b;
		640	int sh_r, sh_g, sh_b;
		641	int rowstride;
		642	int channels;
		643	unsigned char *row;
		644
		645	if (visual->c_class != TrueColor)
723	return false;	646	return false;
724		647
		648	if (depth == 24 || depth == 32)
		649	bytes_per_pixel = 4;
		650	else if (depth == 15 || depth == 16)
		651	bytes_per_pixel = 2;
		652	else
		653	return false;
		654
		655	width_r = ecb_popcount32 (visual->red_mask);
		656	width_g = ecb_popcount32 (visual->green_mask);
		657	width_b = ecb_popcount32 (visual->blue_mask);
		658
		659	if (width_r > 8 || width_g > 8 || width_b > 8)
		660	return false;
		661
		662	sh_r = ecb_ctz32 (visual->red_mask);
		663	sh_g = ecb_ctz32 (visual->green_mask);
		664	sh_b = ecb_ctz32 (visual->blue_mask);
		665
		666	if (width > INT_MAX / height / bytes_per_pixel)
		667	return false;
		668
		669	data = (char *)malloc (width * height * bytes_per_pixel);
		670	if (!data)
		671	return false;
		672
		673	ximage = XCreateImage (dpy, visual, depth, ZPixmap, 0, data,
		674	width, height, bytes_per_pixel * 8, 0);
		675	if (!ximage)
		676	{
		677	free (data);
		678	return false;
		679	}
		680
		681	ximage->byte_order = ecb_big_endian () ? MSBFirst : LSBFirst;
		682
		683	rowstride = gdk_pixbuf_get_rowstride (pixbuf);
		684	channels = gdk_pixbuf_get_n_channels (pixbuf);
		685	row = gdk_pixbuf_get_pixels (pixbuf) + src_y * rowstride + src_x * channels;
		686	line = data;
		687
		688	for (int y = 0; y < height; y++)
		689	{
		690	for (int x = 0; x < width; x++)
		691	{
		692	unsigned char *pixel = row + x * channels;
		693	uint32_t value;
		694
		695	value = ((pixel[0] >> (8 - width_r)) << sh_r)
		696	| ((pixel[1] >> (8 - width_g)) << sh_g)
		697	| ((pixel[2] >> (8 - width_b)) << sh_b);
		698
		699	if (bytes_per_pixel == 4)
		700	((uint32_t *)line)[x] = value;
		701	else
		702	((uint16_t *)line)[x] = value;
		703	}
		704
		705	row += rowstride;
		706	line += ximage->bytes_per_line;
		707	}
		708
		709	XPutImage (dpy, pixmap, gc, ximage, 0, 0, dst_x, dst_y, width, height);
		710	XDestroyImage (ximage);
		711	return true;
		712	}
		713
		714	bool
		715	rxvt_term::render_image (unsigned long tr_flags)
		716	{
725	if (!pixbuf)	717	if (!pixbuf)
726	return false;	718	return false;
727		719
728	// TODO: add alpha blending	720	if (tr_flags
729	if (background_flags)	721	&& !(bg_flags & BG_HAS_RENDER))
730	return false;	722	return false;
731		723
732	GdkPixbuf *result;	724	GdkPixbuf *result;
733		725
734	int image_width = gdk_pixbuf_get_width (pixbuf);	726	int image_width = gdk_pixbuf_get_width (pixbuf);
735	int image_height = gdk_pixbuf_get_height (pixbuf);	727	int image_height = gdk_pixbuf_get_height (pixbuf);
736		728
737	int target_width = target->szHint.width;	729	int target_width = szHint.width;
738	int target_height = target->szHint.height;	730	int target_height = szHint.height;
739	int new_pmap_width = target_width;	731	int new_pmap_width = target_width;
740	int new_pmap_height = target_height;	732	int new_pmap_height = target_height;
741		733
742	int x = 0;	734	int x = 0;
743	int y = 0;	735	int y = 0;
744	int w = h_scale * target_width / 100;	736	int w = 0;
745	int h = v_scale * target_height / 100;	737	int h = 0;
746		738
747	if (h_align == rootAlign || v_align == rootAlign)	739	get_image_geometry (image_width, image_height, w, h, x, y);
748	{
749	target->get_window_origin (x, y);
750	x = -x;
751	y = -y;
752	}
753		740
754	if (h_align != rootAlign)	741	if (!(bg_flags & BG_ROOT_ALIGN)
755	x = make_align_position (h_align, target_width, w > 0 ? w : image_width);
756
757	if (v_align != rootAlign)
758	y = make_align_position (v_align, target_height, h > 0 ? h : image_height);
759
760	if (x >= target_width	742	&& (x >= target_width
761	|| y >= target_height	743	|| y >= target_height
762	|| (w > 0 && x + w <= 0)	744	|| (x + w <= 0)
763	|| (h > 0 && y + h <= 0))	745	|| (y + h <= 0)))
764	return false;	746	return false;
765		747
766	result = pixbuf;	748	result = pixbuf;
767		749
768	if ((w > 0 && w != image_width)	750	if ((w != image_width)
769	|| (h > 0 && h != image_height))	751	|| (h != image_height))
770	{	752	{
771	result = gdk_pixbuf_scale_simple (pixbuf,	753	result = gdk_pixbuf_scale_simple (pixbuf,
772	w > 0 ? w : image_width,	754	w, h,
773	h > 0 ? h : image_height,
774	GDK_INTERP_BILINEAR);	755	GDK_INTERP_BILINEAR);
775	}	756	}
776		757
		758	if (!result)
		759	return false;
		760
777	bool ret = false;	761	bool ret = false;
778		762
779	if (result)
780	{
781	XGCValues gcv;	763	XGCValues gcv;
782	GC gc;	764	GC gc;
		765	Pixmap root_pmap;
783		766
784	image_width = gdk_pixbuf_get_width (result);	767	image_width = gdk_pixbuf_get_width (result);
785	image_height = gdk_pixbuf_get_height (result);	768	image_height = gdk_pixbuf_get_height (result);
786		769
787	if (h_scale == 0)	770	if (tr_flags)
		771	{
		772	root_pmap = bg_pixmap;
		773	bg_pixmap = None;
		774	}
		775	else
		776	{
		777	if (bg_flags & BG_TILE)
		778	{
788	new_pmap_width = min (image_width, target_width);	779	new_pmap_width = min (image_width, target_width);
789	if (v_scale == 0)
790	new_pmap_height = min (image_height, target_height);	780	new_pmap_height = min (image_height, target_height);
		781	}
		782	}
791		783
		784	if (bg_pixmap == None
		785	|| bg_pmap_width != new_pmap_width
		786	|| bg_pmap_height != new_pmap_height)
		787	{
792	if (pixmap)	788	if (bg_pixmap)
793	{
794	if (pmap_width != new_pmap_width
795	|| pmap_height != new_pmap_height
796	|| pmap_depth != target->depth)
797	{
798	XFreePixmap (target->dpy, pixmap);	789	XFreePixmap (dpy, bg_pixmap);
799	pixmap = None;
800	}
801	}
802
803	if (pixmap == None)
804	{
805	pixmap = XCreatePixmap (target->dpy, target->vt, new_pmap_width, new_pmap_height, target->depth);	790	bg_pixmap = XCreatePixmap (dpy, vt, new_pmap_width, new_pmap_height, depth);
806	pmap_width = new_pmap_width;	791	bg_pmap_width = new_pmap_width;
807	pmap_height = new_pmap_height;	792	bg_pmap_height = new_pmap_height;
808	pmap_depth = target->depth;	793	}
		794
		795	gcv.foreground = pix_colors[Color_bg];
		796	gc = XCreateGC (dpy, vt, GCForeground, &gcv);
		797
		798	if (gc)
		799	{
		800	if (bg_flags & BG_TILE)
809	}	801	{
810
811	gcv.foreground = target->pix_colors[Color_bg];
812	gc = XCreateGC (target->dpy, target->vt, GCForeground, &gcv);
813
814	if (h_scale == 0 || v_scale == 0)
815	{
816	Pixmap tile = XCreatePixmap (target->dpy, target->vt, image_width, image_height, target->depth);	802	Pixmap tile = XCreatePixmap (dpy, vt, image_width, image_height, depth);
817	gdk_pixbuf_xlib_render_to_drawable (result, tile, gc,	803	pixbuf_to_pixmap (result, tile, gc,
818	0, 0,	804	0, 0,
819	0, 0,	805	0, 0,
820	image_width, image_height,	806	image_width, image_height);
821	XLIB_RGB_DITHER_NONE,
822	0, 0);
823		807
824	gcv.tile = tile;	808	gcv.tile = tile;
825	gcv.fill_style = FillTiled;	809	gcv.fill_style = FillTiled;
826	gcv.ts_x_origin = x;	810	gcv.ts_x_origin = x;
827	gcv.ts_y_origin = y;	811	gcv.ts_y_origin = y;
828	XChangeGC (target->dpy, gc, GCFillStyle | GCTile | GCTileStipXOrigin | GCTileStipYOrigin, &gcv);	812	XChangeGC (dpy, gc, GCFillStyle | GCTile | GCTileStipXOrigin | GCTileStipYOrigin, &gcv);
829		813
830	XFillRectangle (target->dpy, pixmap, gc, 0, 0, new_pmap_width, new_pmap_height);	814	XFillRectangle (dpy, bg_pixmap, gc, 0, 0, new_pmap_width, new_pmap_height);
831	XFreePixmap (target->dpy, tile);	815	XFreePixmap (dpy, tile);
832	}	816	}
833	else	817	else
834	{	818	{
835	int src_x, src_y, dst_x, dst_y;	819	int src_x, src_y, dst_x, dst_y;
836	int dst_width, dst_height;	820	int dst_width, dst_height;
…		…
839	src_y = make_clip_rectangle (y, image_height, new_pmap_height, dst_y, dst_height);	823	src_y = make_clip_rectangle (y, image_height, new_pmap_height, dst_y, dst_height);
840		824
841	if (dst_x > 0 || dst_y > 0	825	if (dst_x > 0 || dst_y > 0
842	|| dst_x + dst_width < new_pmap_width	826	|| dst_x + dst_width < new_pmap_width
843	|| dst_y + dst_height < new_pmap_height)	827	|| dst_y + dst_height < new_pmap_height)
844	XFillRectangle (target->dpy, pixmap, gc, 0, 0, new_pmap_width, new_pmap_height);	828	XFillRectangle (dpy, bg_pixmap, gc, 0, 0, new_pmap_width, new_pmap_height);
845		829
846	if (dst_x < new_pmap_width && dst_y < new_pmap_height)	830	if (dst_x < new_pmap_width && dst_y < new_pmap_height)
847	gdk_pixbuf_xlib_render_to_drawable (result, pixmap, gc,	831	pixbuf_to_pixmap (result, bg_pixmap, gc,
848	src_x, src_y,	832	src_x, src_y,
849	dst_x, dst_y,	833	dst_x, dst_y,
850	dst_width, dst_height,	834	dst_width, dst_height);
851	XLIB_RGB_DITHER_NONE,	835	}
852	0, 0);	836
		837	#if XRENDER
		838	if (tr_flags)
853	}	839	{
		840	XRenderPictureAttributes pa;
854		841
855	if (result != pixbuf)	842	XRenderPictFormat *src_format = XRenderFindVisualFormat (dpy, visual);
856	g_object_unref (result);	843	Picture src = XRenderCreatePicture (dpy, root_pmap, src_format, 0, &pa);
857		844
		845	XRenderPictFormat *dst_format = XRenderFindVisualFormat (dpy, visual);
		846	Picture dst = XRenderCreatePicture (dpy, bg_pixmap, dst_format, 0, &pa);
		847
		848	pa.repeat = True;
		849	Pixmap mask_pmap = XCreatePixmap (dpy, vt, 1, 1, 8);
		850	XRenderPictFormat *mask_format = XRenderFindStandardFormat (dpy, PictStandardA8);
		851	Picture mask = XRenderCreatePicture (dpy, mask_pmap, mask_format, CPRepeat, &pa);
		852	XFreePixmap (dpy, mask_pmap);
		853
		854	XRenderColor mask_c;
		855
		856	mask_c.alpha = 0x8000;
		857	mask_c.red = 0;
		858	mask_c.green = 0;
		859	mask_c.blue = 0;
		860	XRenderFillRectangle (dpy, PictOpSrc, mask, &mask_c, 0, 0, 1, 1);
		861	XRenderComposite (dpy, PictOpOver, src, mask, dst, 0, 0, 0, 0, 0, 0, target_width, target_height);
		862
		863	XRenderFreePicture (dpy, src);
		864	XRenderFreePicture (dpy, dst);
		865	XRenderFreePicture (dpy, mask);
		866	}
		867	#endif
		868
858	XFreeGC (target->dpy, gc);	869	XFreeGC (dpy, gc);
859		870
860	ret = true;	871	ret = true;
861	}	872	}
862		873
		874	if (result != pixbuf)
		875	g_object_unref (result);
		876
		877	if (tr_flags)
		878	XFreePixmap (dpy, root_pmap);
		879
863	return ret;	880	return ret;
864	}	881	}
865	# endif /* HAVE_PIXBUF */	882	# endif /* HAVE_PIXBUF */
866		883
867	bool	884	bool
868	bgPixmap_t::set_file (const char *file)	885	rxvt_term::bg_set_file (const char *file)
869	{	886	{
870	assert (file);	887	if (!file || !*file)
		888	return false;
871		889
872	if (*file)
873	{
874	if (const char *p = strchr (file, ';'))	890	if (const char *p = strchr (file, ';'))
875	{	891	{
876	size_t len = p - file;	892	size_t len = p - file;
877	char *f = rxvt_temp_buf<char> (len + 1);	893	char *f = rxvt_temp_buf<char> (len + 1);
878	memcpy (f, file, len);	894	memcpy (f, file, len);
879	f[len] = '\0';	895	f[len] = '\0';
880	file = f;	896	file = f;
881	}	897	}
882		898
883	# ifdef HAVE_AFTERIMAGE	899	# ifdef HAVE_AFTERIMAGE
884	if (!target->asimman)	900	if (!asimman)
885	target->asimman = create_generic_imageman (target->rs[Rs_path]);	901	asimman = create_generic_imageman (rs[Rs_path]);
886	original_asim = get_asimage (target->asimman, file, 0xFFFFFFFF, 100);	902	ASImage *image = get_asimage (asimman, file, 0xFFFFFFFF, 100);
		903	if (image)
		904	{
887	if (original_asim)	905	if (original_asim)
888	have_image = true;	906	safe_asimage_destroy (original_asim);
889	return have_image;	907	original_asim = image;
		908	bg_flags |= BG_IS_FROM_FILE | BG_CLIENT_RENDER;
		909	return true;
		910	}
890	# endif	911	# endif
891		912
892	# ifdef HAVE_PIXBUF	913	# ifdef HAVE_PIXBUF
893	pixbuf = gdk_pixbuf_new_from_file (file, NULL);	914	GdkPixbuf *image = gdk_pixbuf_new_from_file (file, NULL);
		915	if (image)
		916	{
894	if (pixbuf)	917	if (pixbuf)
895	have_image = true;	918	g_object_unref (pixbuf);
896	return have_image;	919	pixbuf = image;
		920	bg_flags |= BG_IS_FROM_FILE;
		921	return true;
		922	}
897	# endif	923	# endif
898	}
899		924
900	return false;	925	return false;
901	}	926	}
902		927
903	# endif /* BG_IMAGE_FROM_FILE */	928	# endif /* BG_IMAGE_FROM_FILE */
904		929
905	# ifdef ENABLE_TRANSPARENCY	930	# ifdef ENABLE_TRANSPARENCY
906	bool	931	bool
907	bgPixmap_t::set_transparent ()	932	rxvt_term::bg_set_transparent ()
908	{	933	{
909	if (!(flags & isTransparent))	934	if (!(bg_flags & BG_IS_TRANSPARENT))
910	{	935	{
911	flags |= isTransparent;	936	bg_flags |= BG_IS_TRANSPARENT;
912	return true;	937	return true;
913	}	938	}
914		939
915	return false;	940	return false;
916	}	941	}
917		942
918	bool	943	bool
919	bgPixmap_t::set_blur_radius (const char *geom)	944	rxvt_term::bg_set_blur (const char *geom)
920	{	945	{
921	int changed = 0;	946	bool changed = false;
922	unsigned int hr, vr;	947	unsigned int hr, vr;
923	int junk;	948	int junk;
924	int geom_flags = XParseGeometry (geom, &junk, &junk, &hr, &vr);	949	int geom_flags = XParseGeometry (geom, &junk, &junk, &hr, &vr);
925		950
926	if (!(geom_flags & WidthValue))	951	if (!(geom_flags & WidthValue))
927	hr = 1;	952	hr = 1;
928	if (!(geom_flags & HeightValue))	953	if (!(geom_flags & HeightValue))
929	vr = hr;	954	vr = hr;
930		955
		956	min_it (hr, 128);
		957	min_it (vr, 128);
		958
931	if (h_blurRadius != hr)	959	if (h_blurRadius != hr)
932	{	960	{
933	++changed;	961	changed = true;
934	h_blurRadius = hr;	962	h_blurRadius = hr;
935	}	963	}
936		964
937	if (v_blurRadius != vr)	965	if (v_blurRadius != vr)
938	{	966	{
939	++changed;	967	changed = true;
940	v_blurRadius = vr;	968	v_blurRadius = vr;
941	}	969	}
942		970
943	if (v_blurRadius == 0 && h_blurRadius == 0)	971	if (v_blurRadius == 0 && h_blurRadius == 0)
944	flags &= ~blurNeeded;	972	bg_flags &= ~BG_NEEDS_BLUR;
945	else	973	else
946	flags |= blurNeeded;	974	bg_flags |= BG_NEEDS_BLUR;
947		975
948	return (changed > 0);	976	return changed;
949	}	977	}
950		978
951	static inline unsigned long	979	void
952	compute_tint_shade_flags (rxvt_color *tint, int shade)	980	rxvt_term::set_tint_shade_flags ()
953	{	981	{
954	unsigned long flags = 0;
955	rgba c (rgba::MAX_CC,rgba::MAX_CC,rgba::MAX_CC);	982	rgba c (rgba::MAX_CC,rgba::MAX_CC,rgba::MAX_CC);
956	bool has_shade = (shade > 0 && shade < 100) || (shade > 100 && shade < 200);	983	bool has_shade = shade != 100;
957		984
958	if (tint)	985	bg_flags &= ~BG_TINT_FLAGS;
		986
		987	if (bg_flags & BG_TINT_SET)
959	{	988	{
960	tint->get (c);	989	tint.get (c);
961	# define IS_COMPONENT_WHOLESOME(cmp) ((cmp) <= 0x000700 || (cmp) >= 0x00f700)
962	if (!has_shade && IS_COMPONENT_WHOLESOME (c.r)
963	&& IS_COMPONENT_WHOLESOME (c.g)
964	&& IS_COMPONENT_WHOLESOME (c.b))
965	flags |= bgPixmap_t::tintWholesome;
966	# undef IS_COMPONENT_WHOLESOME
967	}
968
969	if (has_shade)	990	if (!has_shade
970	flags |= bgPixmap_t::tintNeeded;	991	&& (c.r <= 0x00ff || c.r >= 0xff00)
971	else if (tint)	992	&& (c.g <= 0x00ff || c.g >= 0xff00)
		993	&& (c.b <= 0x00ff || c.b >= 0xff00))
		994	bg_flags |= BG_TINT_BITAND;
972	{	995	}
973	if ((c.r > 0x000700 || c.g > 0x000700 || c.b > 0x000700)	996
974	&& (c.r < 0x00f700 || c.g < 0x00f700 || c.b < 0x00f700))	997	if (has_shade || (bg_flags & BG_TINT_SET))
975	{	998	bg_flags |= BG_NEEDS_TINT;
976	flags |= bgPixmap_t::tintNeeded;	999	}
		1000
		1001	bool
		1002	rxvt_term::bg_set_tint (rxvt_color &new_tint)
		1003	{
		1004	if (!(bg_flags & BG_TINT_SET) || tint != new_tint)
		1005	{
		1006	tint = new_tint;
		1007	bg_flags |= BG_TINT_SET;
		1008	set_tint_shade_flags ();
		1009	return true;
		1010	}
		1011
		1012	return false;
		1013	}
		1014
		1015	bool
		1016	rxvt_term::bg_set_shade (const char *shade_str)
		1017	{
		1018	int new_shade = (shade_str) ? atoi (shade_str) : 100;
		1019
		1020	clamp_it (new_shade, -100, 200);
		1021	if (new_shade < 0)
		1022	new_shade = 200 - (100 + new_shade);
		1023
		1024	if (new_shade != shade)
		1025	{
		1026	shade = new_shade;
		1027	set_tint_shade_flags ();
		1028	return true;
		1029	}
		1030
		1031	return false;
		1032	}
		1033
		1034	#if XRENDER
		1035	static void
		1036	get_gaussian_kernel (int radius, int width, double *kernel, XFixed *params)
		1037	{
		1038	double sigma = radius / 2.0;
		1039	double scale = sqrt (2.0 * M_PI) * sigma;
		1040	double sum = 0.0;
		1041
		1042	for (int i = 0; i < width; i++)
		1043	{
		1044	double x = i - width / 2;
		1045	kernel[i] = exp (-(x * x) / (2.0 * sigma * sigma)) / scale;
		1046	sum += kernel[i];
		1047	}
		1048
		1049	params[0] = XDoubleToFixed (width);
		1050	params[1] = XDoubleToFixed (1);
		1051
		1052	for (int i = 0; i < width; i++)
		1053	params[i+2] = XDoubleToFixed (kernel[i] / sum);
		1054	}
		1055	#endif
		1056
		1057	bool
		1058	rxvt_term::blur_pixmap (Pixmap pixmap, Visual *visual, int width, int height)
		1059	{
		1060	bool ret = false;
		1061	#if XRENDER
		1062	int size = max (h_blurRadius, v_blurRadius) * 2 + 1;
		1063	double *kernel = (double *)malloc (size * sizeof (double));
		1064	XFixed *params = (XFixed *)malloc ((size + 2) * sizeof (XFixed));
		1065
		1066	XRenderPictureAttributes pa;
		1067	XRenderPictFormat *format = XRenderFindVisualFormat (dpy, visual);
		1068
		1069	Picture src = XRenderCreatePicture (dpy, pixmap, format, 0, &pa);
		1070	Picture dst = XRenderCreatePicture (dpy, pixmap, format, 0, &pa);
		1071
		1072	if (kernel && params)
		1073	{
		1074	if (h_blurRadius)
977	}	1075	{
978	}	1076	size = h_blurRadius * 2 + 1;
		1077	get_gaussian_kernel (h_blurRadius, size, kernel, params);
979		1078
980	if (flags & bgPixmap_t::tintNeeded)	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	if (v_blurRadius)
		1092	{
		1093	size = v_blurRadius * 2 + 1;
		1094	get_gaussian_kernel (v_blurRadius, size, kernel, params);
		1095	::swap (params[0], params[1]);
		1096
		1097	XRenderSetPictureFilter (dpy, src, FilterConvolution, params, size+2);
		1098	XRenderComposite (dpy,
		1099	PictOpSrc,
		1100	src,
		1101	None,
		1102	dst,
		1103	0, 0,
		1104	0, 0,
		1105	0, 0,
		1106	width, height);
		1107	}
		1108
		1109	ret = true;
981	{	1110	}
982	if (flags & bgPixmap_t::tintWholesome)	1111
983	flags |= bgPixmap_t::tintServerSide;	1112	free (kernel);
		1113	free (params);
		1114	XRenderFreePicture (dpy, src);
		1115	XRenderFreePicture (dpy, dst);
		1116	#endif
		1117	return ret;
		1118	}
		1119
		1120	bool
		1121	rxvt_term::tint_pixmap (Pixmap pixmap, Visual *visual, int width, int height)
		1122	{
		1123	bool ret = false;
		1124
		1125	if (bg_flags & BG_TINT_BITAND)
		1126	{
		1127	XGCValues gcv;
		1128	GC gc;
		1129
		1130	/* In this case we can tint image server-side getting significant
		1131	* performance improvements, as we eliminate XImage transfer
		1132	*/
		1133	gcv.foreground = Pixel (tint);
		1134	gcv.function = GXand;
		1135	gcv.fill_style = FillSolid;
		1136	gc = XCreateGC (dpy, pixmap, GCFillStyle | GCForeground | GCFunction, &gcv);
		1137	if (gc)
		1138	{
		1139	XFillRectangle (dpy, pixmap, gc, 0, 0, width, height);
		1140	ret = true;
		1141	XFreeGC (dpy, gc);
		1142	}
		1143	}
		1144	else
		1145	{
		1146	# if XRENDER
		1147	rgba c (rgba::MAX_CC, rgba::MAX_CC, rgba::MAX_CC);
		1148
		1149	if (bg_flags & BG_TINT_SET)
		1150	tint.get (c);
		1151
		1152	if (shade <= 100)
		1153	{
		1154	c.r = c.r * shade / 100;
		1155	c.g = c.g * shade / 100;
		1156	c.b = c.b * shade / 100;
		1157	}
984	else	1158	else
985	{	1159	{
986	#if XFT	1160	c.r = c.r * (200 - shade) / 100;
987	flags |= bgPixmap_t::tintServerSide;	1161	c.g = c.g * (200 - shade) / 100;
988	#endif	1162	c.b = c.b * (200 - shade) / 100;
		1163	}
		1164
		1165	XRenderPictFormat *solid_format = XRenderFindStandardFormat (dpy, PictStandardARGB32);
		1166	XRenderPictFormat *format = XRenderFindVisualFormat (dpy, visual);
		1167	XRenderPictureAttributes pa;
		1168
		1169	Picture back_pic = XRenderCreatePicture (dpy, pixmap, format, 0, &pa);
		1170
		1171	pa.repeat = True;
		1172
		1173	Pixmap overlay_pmap = XCreatePixmap (dpy, pixmap, 1, 1, 32);
		1174	Picture overlay_pic = XRenderCreatePicture (dpy, overlay_pmap, solid_format, CPRepeat, &pa);
		1175	XFreePixmap (dpy, overlay_pmap);
		1176
		1177	pa.component_alpha = True;
		1178	Pixmap mask_pmap = XCreatePixmap (dpy, pixmap, 1, 1, 32);
		1179	Picture mask_pic = XRenderCreatePicture (dpy, mask_pmap, solid_format, CPRepeat | CPComponentAlpha, &pa);
		1180	XFreePixmap (dpy, mask_pmap);
		1181
		1182	XRenderColor mask_c;
		1183
		1184	mask_c.alpha = 0xffff;
		1185	mask_c.red =
		1186	mask_c.green =
		1187	mask_c.blue = 0;
		1188	XRenderFillRectangle (dpy, PictOpSrc, overlay_pic, &mask_c, 0, 0, 1, 1);
		1189
		1190	mask_c.alpha = 0;
		1191	mask_c.red = 0xffff - c.r;
		1192	mask_c.green = 0xffff - c.g;
		1193	mask_c.blue = 0xffff - c.b;
		1194	XRenderFillRectangle (dpy, PictOpSrc, mask_pic, &mask_c, 0, 0, 1, 1);
		1195	XRenderComposite (dpy, PictOpOver, overlay_pic, mask_pic, back_pic, 0, 0, 0, 0, 0, 0, width, height);
		1196
		1197	if (shade > 100)
989	}	1198	{
990	}	1199	mask_c.red = mask_c.green = mask_c.blue = 0xffff * (shade - 100) / 100;
		1200	mask_c.alpha = 0;
		1201	XRenderFillRectangle (dpy, PictOpSrc, overlay_pic, &mask_c, 0, 0, 1, 1);
991		1202
992	return flags;	1203	XRenderComposite (dpy, PictOpOver, overlay_pic, None, back_pic, 0, 0, 0, 0, 0, 0, width, height);
993	}	1204	}
994		1205
995	bool
996	bgPixmap_t::set_tint (rxvt_color &new_tint)
997	{
998	if (tint != new_tint)
999	{
1000	unsigned long new_flags = compute_tint_shade_flags (&new_tint, shade);
1001	tint = new_tint;
1002	flags = (flags & ~tintFlags) | new_flags | tintSet;
1003	return true;	1206	ret = true;
1004	}
1005		1207
1006	return false;	1208	XRenderFreePicture (dpy, mask_pic);
1007	}	1209	XRenderFreePicture (dpy, overlay_pic);
1008		1210	XRenderFreePicture (dpy, back_pic);
1009	bool	1211	# endif
1010	bgPixmap_t::unset_tint ()
1011	{
1012	unsigned long new_flags = compute_tint_shade_flags (NULL, shade);
1013
1014	if (new_flags != (flags & tintFlags))
1015	{	1212	}
1016	flags = (flags & ~tintFlags) | new_flags;
1017	return true;
1018	}
1019		1213
1020	return false;	1214	return ret;
1021	}	1215	}
1022		1216
1023	bool	1217	/*
1024	bgPixmap_t::set_shade (const char *shade_str)	1218	* Builds a pixmap of the same size as the terminal window that contains
1025	{
1026	int new_shade = (shade_str) ? atoi (shade_str) : 0;
1027
1028	if (new_shade < 0 && new_shade > -100)
1029	new_shade = 200 - (100 + new_shade);
1030	else if (new_shade == 100)
1031	new_shade = 0;
1032
1033	if (new_shade != shade)
1034	{
1035	unsigned long new_flags = compute_tint_shade_flags ((flags & tintSet) ? &tint : NULL, new_shade);
1036	shade = new_shade;
1037	flags = (flags & (~tintFlags | tintSet)) | new_flags;
1038	return true;
1039	}
1040
1041	return false;
1042	}
1043
1044	/* make_transparency_pixmap()
1045	* Builds a pixmap sized the same as terminal window, with depth same as the root window
1046	* that pixmap contains tiled portion of the root pixmap that is supposed to be covered by	1219	* the tiled portion of the root pixmap that is supposed to be covered by
1047	* our window.	1220	* our window.
1048	*/	1221	*/
1049	unsigned long	1222	unsigned long
1050	bgPixmap_t::make_transparency_pixmap ()	1223	rxvt_term::make_transparency_pixmap ()
1051	{	1224	{
1052	unsigned long result = 0;	1225	unsigned long result = 0;
1053
1054	if (target == NULL)
1055	return 0;
1056		1226
1057	/* root dimensions may change from call to call - but Display structure should	1227	/* root dimensions may change from call to call - but Display structure should
1058	* be always up-to-date, so let's use it :	1228	* be always up-to-date, so let's use it :
1059	*/	1229	*/
1060	Window root = target->display->root;
1061	int screen = target->display->screen;	1230	int screen = display->screen;
1062	Display *dpy = target->dpy;	1231	int root_depth = DefaultDepth (dpy, screen);
1063	int root_width = DisplayWidth (dpy, screen);	1232	int root_width = DisplayWidth (dpy, screen);
1064	int root_height = DisplayHeight (dpy, screen);	1233	int root_height = DisplayHeight (dpy, screen);
1065	unsigned int root_pmap_width, root_pmap_height;	1234	unsigned int root_pmap_width, root_pmap_height;
1066	int window_width = target->szHint.width;	1235	int window_width = szHint.width;
1067	int window_height = target->szHint.height;	1236	int window_height = szHint.height;
1068	int sx, sy;	1237	int sx, sy;
1069	XGCValues gcv;	1238	XGCValues gcv;
		1239	GC gc;
1070		1240
1071	TIMING_TEST_START (tp);	1241	sx = target_x;
1072	target->get_window_origin (sx, sy);	1242	sy = target_y;
1073		1243
1074	/* check if we are outside of the visible part of the virtual screen : */	1244	/* check if we are outside of the visible part of the virtual screen : */
1075	if (sx + window_width <= 0 || sy + window_height <= 0	1245	if (sx + window_width <= 0 || sy + window_height <= 0
1076	|| sx >= root_width || sy >= root_height)	1246	|| sx >= root_width || sy >= root_height)
1077	return 0;	1247	return 0;
1078		1248
		1249	// validate root pixmap and get its size
1079	if (root_pixmap != None)	1250	if (root_pixmap != None)
1080	{	1251	{
1081	/* we want to validate the pixmap and get it's size at the same time : */	1252	Window wdummy;
1082	int junk;	1253	int idummy;
1083	unsigned int ujunk;	1254	unsigned int udummy;
1084	/* root pixmap may be bad - allow a error */	1255
1085	target->allowedxerror = -1;	1256	allowedxerror = -1;
1086		1257
1087	if (!XGetGeometry (dpy, root_pixmap, &root, &junk, &junk, &root_pmap_width, &root_pmap_height, &ujunk, &ujunk))	1258	if (!XGetGeometry (dpy, root_pixmap, &wdummy, &idummy, &idummy, &root_pmap_width, &root_pmap_height, &udummy, &udummy))
1088	root_pixmap = None;	1259	root_pixmap = None;
1089		1260
1090	target->allowedxerror = 0;	1261	allowedxerror = 0;
		1262	}
		1263
		1264	Pixmap recoded_root_pmap = root_pixmap;
		1265
		1266	if (root_pixmap != None && root_depth != depth)
1091	}	1267	{
		1268	#if XRENDER
		1269	if (bg_flags & BG_HAS_RENDER)
		1270	{
		1271	recoded_root_pmap = XCreatePixmap (dpy, vt, root_pmap_width, root_pmap_height, depth);
1092		1272
1093	Pixmap tiled_root_pmap = XCreatePixmap (dpy, root, window_width, window_height, root_depth);	1273	XRenderPictureAttributes pa;
1094	GC gc = NULL;
1095		1274
1096	if (tiled_root_pmap == None) /* something really bad happened - abort */	1275	XRenderPictFormat *src_format = XRenderFindVisualFormat (dpy, DefaultVisual (dpy, screen));
		1276	Picture src = XRenderCreatePicture (dpy, root_pixmap, src_format, 0, &pa);
		1277
		1278	XRenderPictFormat *dst_format = XRenderFindVisualFormat (dpy, visual);
		1279	Picture dst = XRenderCreatePicture (dpy, recoded_root_pmap, dst_format, 0, &pa);
		1280
		1281	XRenderComposite (dpy, PictOpSrc, src, None, dst, 0, 0, 0, 0, 0, 0, root_pmap_width, root_pmap_height);
		1282
		1283	XRenderFreePicture (dpy, src);
		1284	XRenderFreePicture (dpy, dst);
		1285	}
		1286	else
		1287	#endif
		1288	recoded_root_pmap = None;
		1289	}
		1290
		1291	if (recoded_root_pmap == None)
1097	return 0;	1292	return 0;
1098		1293
1099	if (root_pixmap == None)	1294	if (bg_pixmap == None
		1295	|| bg_pmap_width != window_width
		1296	|| bg_pmap_height != window_height)
1100	{	1297	{
1101	/* use tricks to obtain the root background image :*/	1298	if (bg_pixmap)
1102	/* we want to create Overrideredirect window overlapping out window
1103	with background type of Parent Relative and then grab it */
1104	XSetWindowAttributes attr;
1105	Window src;
1106	bool success = false;
1107
1108	attr.background_pixmap = ParentRelative;
1109	attr.backing_store = Always;
1110	attr.event_mask = ExposureMask;
1111	attr.override_redirect = True;
1112	src = XCreateWindow (dpy, root, sx, sy, window_width, window_height, 0,
1113	CopyFromParent, CopyFromParent, CopyFromParent,
1114	CWBackPixmap|CWBackingStore|CWOverrideRedirect|CWEventMask,
1115	&attr);
1116
1117	if (src != None)
1118	{
1119	XEvent event;
1120	int ev_count = 0;
1121	XGrabServer (dpy);
1122	XMapRaised (dpy, src);
1123	XSync (dpy, False);
1124
1125	/* XSync should get window where it's properly exposed,
1126	* but to be on the safe side - let's check for the actual event to arrive : */
1127	while (XCheckWindowEvent (dpy, src, ExposureMask, &event))
1128	++ev_count;
1129
1130	if (ev_count > 0);
1131	{
1132	/* hooray! - we can grab the image! */
1133	gc = XCreateGC (dpy, root, 0, NULL);
1134	if (gc)
1135	{
1136	XCopyArea (dpy, src, tiled_root_pmap, gc, 0, 0, window_width, window_height, 0, 0);
1137	success = true;
1138	}
1139	}
1140
1141	XDestroyWindow (dpy, src);
1142	XUngrabServer (dpy);
1143	//fprintf (stderr, "%s:%d: ev_count = %d\n", __FUNCTION__, __LINE__, ev_count);
1144	}
1145
1146	if (!success)
1147	{
1148	XFreePixmap (dpy, tiled_root_pmap);	1299	XFreePixmap (dpy, bg_pixmap);
1149	tiled_root_pmap = None;	1300	bg_pixmap = XCreatePixmap (dpy, vt, window_width, window_height, depth);
1150	}	1301	bg_pmap_width = window_width;
1151	else	1302	bg_pmap_height = window_height;
1152	result |= transpPmapTiled;
1153	}
1154	else
1155	{	1303	}
		1304
1156	/* straightforward pixmap copy */	1305	/* straightforward pixmap copy */
		1306	while (sx < 0) sx += root_width;
		1307	while (sy < 0) sy += root_height;
		1308
1157	gcv.tile = root_pixmap;	1309	gcv.tile = recoded_root_pmap;
1158	gcv.fill_style = FillTiled;	1310	gcv.fill_style = FillTiled;
1159
1160	while (sx < 0) sx += (int)root_width;
1161	while (sy < 0) sy += (int)root_height;
1162
1163	gcv.ts_x_origin = -sx;	1311	gcv.ts_x_origin = -sx;
1164	gcv.ts_y_origin = -sy;	1312	gcv.ts_y_origin = -sy;
1165	gc = XCreateGC (dpy, root, GCFillStyle | GCTile | GCTileStipXOrigin | GCTileStipYOrigin, &gcv);	1313	gc = XCreateGC (dpy, vt, GCFillStyle | GCTile | GCTileStipXOrigin | GCTileStipYOrigin, &gcv);
		1314
		1315	if (gc)
		1316	{
		1317	XFillRectangle (dpy, bg_pixmap, gc, 0, 0, window_width, window_height);
		1318	result |= BG_IS_VALID | (bg_flags & BG_EFFECTS_FLAGS);
		1319	XFreeGC (dpy, gc);
		1320
		1321	if (!(bg_flags & BG_CLIENT_RENDER))
		1322	{
		1323	if ((bg_flags & BG_NEEDS_BLUR)
		1324	&& (bg_flags & BG_HAS_RENDER_CONV))
		1325	{
		1326	if (blur_pixmap (bg_pixmap, visual, window_width, window_height))
		1327	result &= ~BG_NEEDS_BLUR;
		1328	}
		1329	if ((bg_flags & BG_NEEDS_TINT)
		1330	&& (bg_flags & (BG_TINT_BITAND | BG_HAS_RENDER)))
		1331	{
		1332	if (tint_pixmap (bg_pixmap, visual, window_width, window_height))
		1333	result &= ~BG_NEEDS_TINT;
		1334	}
		1335	} /* server side rendering completed */
		1336	}
		1337
		1338	if (recoded_root_pmap != root_pixmap)
		1339	XFreePixmap (dpy, recoded_root_pmap);
		1340
		1341	return result;
		1342	}
		1343
		1344	void
		1345	rxvt_term::bg_set_root_pixmap ()
		1346	{
		1347	Pixmap new_root_pixmap = get_pixmap_property (xa[XA_XROOTPMAP_ID]);
		1348	if (new_root_pixmap == None)
		1349	new_root_pixmap = get_pixmap_property (xa[XA_ESETROOT_PMAP_ID]);
		1350
		1351	root_pixmap = new_root_pixmap;
		1352	}
		1353	# endif /* ENABLE_TRANSPARENCY */
		1354
		1355	#if defined(ENABLE_TRANSPARENCY) && !defined(HAVE_AFTERIMAGE)
		1356	static void shade_ximage (Visual *visual, XImage *ximage, int shade, const rgba &c);
		1357	# endif
		1358
		1359	bool
		1360	rxvt_term::bg_render ()
		1361	{
		1362	unsigned long tr_flags = 0;
		1363
		1364	bg_invalidate ();
		1365	# ifdef ENABLE_TRANSPARENCY
		1366	if (bg_flags & BG_IS_TRANSPARENT)
		1367	{
		1368	/* we need to re-generate transparency pixmap in that case ! */
		1369	tr_flags = make_transparency_pixmap ();
		1370	if (tr_flags == 0)
		1371	return false;
		1372	else if (!(tr_flags & BG_EFFECTS_FLAGS))
		1373	bg_flags |= BG_IS_VALID;
		1374	}
		1375	# endif
		1376
		1377	# ifdef BG_IMAGE_FROM_FILE
		1378	if ((bg_flags & BG_IS_FROM_FILE)
		1379	|| (tr_flags & BG_EFFECTS_FLAGS))
		1380	{
		1381	if (render_image (tr_flags))
		1382	bg_flags |= BG_IS_VALID;
		1383	}
		1384	# endif
		1385
		1386	# if defined(ENABLE_TRANSPARENCY) && !defined(HAVE_AFTERIMAGE)
		1387	XImage *result = NULL;
		1388
		1389	if (tr_flags && !(bg_flags & BG_IS_VALID))
		1390	{
		1391	result = XGetImage (dpy, bg_pixmap, 0, 0, bg_pmap_width, bg_pmap_height, AllPlanes, ZPixmap);
		1392	}
		1393
		1394	if (result)
		1395	{
		1396	/* our own client-side tinting */
		1397	if (tr_flags & BG_NEEDS_TINT)
		1398	{
		1399	rgba c (rgba::MAX_CC,rgba::MAX_CC,rgba::MAX_CC);
		1400	if (bg_flags & BG_TINT_SET)
		1401	tint.get (c);
		1402	shade_ximage (DefaultVisual (dpy, display->screen), result, shade, c);
		1403	}
		1404
		1405	GC gc = XCreateGC (dpy, vt, 0UL, NULL);
1166		1406
1167	if (gc)	1407	if (gc)
1168	{	1408	{
1169	XFillRectangle (dpy, tiled_root_pmap, gc, 0, 0, window_width, window_height);	1409	XPutImage (dpy, bg_pixmap, gc, result, 0, 0, 0, 0, result->width, result->height);
1170	result |= transpPmapTiled;
1171	}
1172	}
1173	TIMING_TEST_PRINT_RESULT (tp);
1174		1410
1175	if (tiled_root_pmap != None)	1411	XFreeGC (dpy, gc);
1176	{	1412	bg_flags |= BG_IS_VALID;
1177	if (!need_client_side_rendering ())
1178	{	1413	}
1179	if ((flags & tintNeeded))
1180	{
1181	if (flags & tintWholesome)
1182	{
1183	/* In this case we can tint image server-side getting significant
1184	* performance improvements, as we eliminate XImage transfer
1185	*/
1186	gcv.foreground = Pixel (tint);
1187	gcv.function = GXand;
1188	gcv.fill_style = FillSolid;
1189	if (gc)
1190	XChangeGC (dpy, gc, GCFillStyle | GCForeground | GCFunction, &gcv);
1191	else
1192	gc = XCreateGC (dpy, root, GCFillStyle | GCForeground | GCFunction, &gcv);
1193	if (gc)
1194	{
1195	XFillRectangle (dpy, tiled_root_pmap, gc, 0, 0, window_width, window_height);
1196	result |= transpPmapTinted;
1197	}
1198	}
1199	else
1200	{
1201	# if XFT
1202	Picture back_pic = 0;
1203	rgba c (rgba::MAX_CC,rgba::MAX_CC,rgba::MAX_CC);
1204		1414
1205	if (flags & tintSet)	1415	XDestroyImage (result);
1206	tint.get (c);
1207
1208	if (shade > 0 && shade < 100)
1209	{
1210	c.r = (c.r * shade) / 100;
1211	c.g = (c.g * shade) / 100;
1212	c.b = (c.b * shade) / 100;
1213	}
1214	else if (shade > 100 && shade < 200)
1215	{
1216	c.r = (c.r * (200 - shade)) / 100;
1217	c.g = (c.g * (200 - shade)) / 100;
1218	c.b = (c.b * (200 - shade)) / 100;
1219	}
1220
1221	XRenderPictFormat pf;
1222	pf.type = PictTypeDirect;
1223	pf.depth = 32;
1224	pf.direct.redMask = 0xff;
1225	pf.direct.greenMask = 0xff;
1226	pf.direct.blueMask = 0xff;
1227	pf.direct.alphaMask = 0xff;
1228
1229	XRenderPictFormat *solid_format = XRenderFindFormat (dpy,
1230	(PictFormatType|
1231	PictFormatDepth|
1232	PictFormatRedMask|
1233	PictFormatGreenMask|
1234	PictFormatBlueMask|
1235	PictFormatAlphaMask),
1236	&pf,
1237	0);
1238	XRenderPictFormat *root_format = XRenderFindVisualFormat (dpy, DefaultVisualOfScreen (ScreenOfDisplay (dpy, target->display->screen)));
1239	XRenderPictureAttributes pa ;
1240
1241	back_pic = XRenderCreatePicture (dpy, tiled_root_pmap, root_format, 0, &pa);
1242
1243	pa.repeat = True;
1244
1245	Pixmap overlay_pmap = XCreatePixmap (dpy, root, 1, 1, 32);
1246	Picture overlay_pic = XRenderCreatePicture (dpy, overlay_pmap, solid_format, CPRepeat, &pa);
1247	XFreePixmap (dpy, overlay_pmap);
1248
1249	pa.component_alpha = True;
1250	Pixmap mask_pmap = XCreatePixmap (dpy, root, 1, 1, 32);
1251	Picture mask_pic = XRenderCreatePicture (dpy, mask_pmap, solid_format, CPRepeat|CPComponentAlpha, &pa);
1252	XFreePixmap (dpy, mask_pmap);
1253
1254	if (mask_pic && overlay_pic && back_pic)
1255	{
1256	XRenderColor mask_c;
1257
1258	memset (&mask_c, (shade > 100) ? 0xFF : 0x0, sizeof (mask_c));
1259	mask_c.alpha = 0xffff;
1260	XRenderFillRectangle (dpy, PictOpSrc, overlay_pic, &mask_c, 0, 0, 1, 1);
1261
1262	mask_c.alpha = 0;
1263	mask_c.red = 0xffff - c.r;
1264	mask_c.green = 0xffff - c.g;
1265	mask_c.blue = 0xffff - c.b;
1266	XRenderFillRectangle (dpy, PictOpSrc, mask_pic, &mask_c, 0, 0, 1, 1);
1267	XRenderComposite (dpy, PictOpOver, overlay_pic, mask_pic, back_pic, 0, 0, 0, 0, 0, 0, window_width, window_height);
1268	result |= transpPmapTinted;
1269	}
1270
1271	XRenderFreePicture (dpy, mask_pic);
1272	XRenderFreePicture (dpy, overlay_pic);
1273	XRenderFreePicture (dpy, back_pic);
1274	# if DO_TIMING_TEST
1275	XSync (dpy, False);
1276	# endif
1277	# endif
1278	}
1279	}
1280	} /* server side rendering completed */
1281
1282	if (pixmap)
1283	XFreePixmap (dpy, pixmap);
1284
1285	pixmap = tiled_root_pmap;
1286	pmap_width = window_width;
1287	pmap_height = window_height;
1288	pmap_depth = root_depth;
1289	}
1290
1291	if (gc)
1292	XFreeGC (dpy, gc);
1293
1294	TIMING_TEST_PRINT_RESULT (tp);
1295
1296	return result;
1297	}
1298
1299	bool
1300	bgPixmap_t::set_root_pixmap ()
1301	{
1302	Pixmap new_root_pixmap = target->get_pixmap_property (XA_XROOTPMAP_ID);
1303	if (new_root_pixmap == None)
1304	new_root_pixmap = target->get_pixmap_property (XA_ESETROOT_PMAP_ID);
1305
1306	if (new_root_pixmap != root_pixmap)
1307	{	1416	}
1308	root_pixmap = new_root_pixmap;
1309	return true;
1310	}
1311
1312	return false;
1313	}
1314	# endif /* ENABLE_TRANSPARENCY */
1315
1316	# ifndef HAVE_AFTERIMAGE
1317	static void ShadeXImage(rxvt_term *term, XImage *srcImage, int shade, int rm, int gm, int bm);
1318	# endif	1417	# endif
1319		1418
1320	bool	1419	if (!(bg_flags & BG_IS_VALID))
1321	bgPixmap_t::render ()
1322	{
1323	unsigned long background_flags = 0;
1324
1325	if (target == NULL)
1326	return false;
1327
1328	TIMING_TEST_START (tp);
1329
1330	invalidate ();
1331	# ifdef ENABLE_TRANSPARENCY
1332	if (flags & isTransparent)
1333	{
1334	/* we need to re-generate transparency pixmap in that case ! */
1335	background_flags = make_transparency_pixmap ();
1336	if (background_flags == 0)
1337	return false;
1338	else if ((background_flags & transpTransformations) == (flags & transpTransformations)
1339	&& pmap_depth == target->depth)
1340	flags = flags & ~isInvalid;
1341	}	1420	{
1342	# endif
1343
1344	# ifdef BG_IMAGE_FROM_FILE
1345	if (have_image
1346	|| (background_flags & transpTransformations) != (flags & transpTransformations))
1347	{
1348	if (render_image (background_flags))
1349	flags = flags & ~isInvalid;
1350	}
1351	# endif
1352
1353	XImage *result = NULL;
1354
1355	if (background_flags && (flags & isInvalid))
1356	{
1357	result = XGetImage (target->dpy, pixmap, 0, 0, pmap_width, pmap_height, AllPlanes, ZPixmap);
1358	}
1359
1360	if (result)
1361	{
1362	# if !defined(HAVE_AFTERIMAGE) && !XFT
1363	/* our own client-side tinting */
1364	/* ATTENTION: We ASSUME that XFT will let us do all the tinting necessary server-side.
1365	This may need to be changed in need_client_side_rendering() logic is altered !!! */
1366	if (!(background_flags & transpPmapTinted) && (flags & tintNeeded))
1367	{
1368	rgba c (rgba::MAX_CC,rgba::MAX_CC,rgba::MAX_CC);
1369	if (flags & tintSet)
1370	tint.get (c);
1371	ShadeXImage (target, result, shade, c.r, c.g, c.b);
1372	}
1373	# endif
1374
1375	GC gc = XCreateGC (target->dpy, target->vt, 0UL, NULL);
1376
1377	if (gc)
1378	{
1379	if (/*pmap_depth != target->depth &&*/ pixmap != None)
1380	{
1381	XFreePixmap (target->dpy, pixmap);
1382	pixmap = None;
1383	}
1384
1385	if (pixmap == None)
1386	{
1387	pixmap = XCreatePixmap (target->dpy, target->vt, result->width, result->height, target->depth);
1388	pmap_width = result->width;
1389	pmap_height = result->height;
1390	pmap_depth = target->depth;
1391	}
1392
1393	if (pmap_depth != result->depth)
1394	{
1395	/* Bad Match error will ensue ! stupid X !!!! */
1396	if (result->depth == 24 && pmap_depth == 32)
1397	result->depth = 32;
1398	else if (result->depth == 32 && pmap_depth == 24)
1399	result->depth = 24;
1400	else
1401	{
1402	/* TODO: implement image recoding */
1403	}
1404	}
1405
1406	if (pmap_depth == result->depth)
1407	XPutImage (target->dpy, pixmap, gc, result, 0, 0, 0, 0, result->width, result->height);
1408
1409	XFreeGC (target->dpy, gc);
1410	flags = flags & ~isInvalid;
1411	}
1412
1413	XDestroyImage (result);
1414	}
1415
1416	if (flags & isInvalid)
1417	{
1418	if (pixmap != None)	1421	if (bg_pixmap != None)
1419	{	1422	{
1420	XFreePixmap (target->dpy, pixmap);	1423	XFreePixmap (dpy, bg_pixmap);
1421	pixmap = None;	1424	bg_pixmap = None;
1422	}	1425	}
1423	}	1426	}
1424		1427
1425	apply ();	1428	scr_recolour (false);
		1429	bg_flags |= BG_NEEDS_REFRESH;
1426		1430
1427	XSync (target->dpy, False);
1428	valid_since = ev::now ();	1431	bg_valid_since = ev::now ();
1429
1430	TIMING_TEST_PRINT_RESULT (tp);
1431		1432
1432	return true;	1433	return true;
1433	}	1434	}
1434		1435
1435	bool
1436	bgPixmap_t::set_target (rxvt_term *new_target)
1437	{
1438	if (new_target)
1439	if (target != new_target)
1440	{
1441	target = new_target;
1442	# ifdef ENABLE_TRANSPARENCY
1443	root_depth = DefaultDepthOfScreen (ScreenOfDisplay (target->dpy, target->display->screen));
1444	# endif
1445	return true;
1446	}
1447
1448	return false;
1449	}
1450
1451	void	1436	void
1452	bgPixmap_t::apply ()	1437	rxvt_term::bg_init ()
1453	{	1438	{
1454	if (target)
1455	{
1456	flags &= ~isVtOrigin;
1457
1458	if (pixmap != None)
1459	{
1460	/* set target's background to pixmap */
1461	# ifdef ENABLE_TRANSPARENCY	1439	#ifdef ENABLE_TRANSPARENCY
1462	if (flags & isTransparent)	1440	shade = 100;
1463	{
1464	XSetWindowBackgroundPixmap (target->dpy, target->parent[0], pixmap);
1465	XSetWindowBackgroundPixmap (target->dpy, target->vt, ParentRelative);
1466
1467	if (target->scrollBar.win)
1468	XSetWindowBackgroundPixmap (target->dpy, target->scrollBar.win, ParentRelative);
1469	}
1470	else
1471	# endif	1441	#endif
1472	{
1473	flags |= isVtOrigin;
1474	/* force old pixmap dereference in case it was transparent before :*/
1475	XSetWindowBackground (target->dpy, target->parent[0], target->pix_colors[Color_border]);
1476	XSetWindowBackgroundPixmap (target->dpy, target->vt, pixmap);
1477	/* do we also need to set scrollbar's background here ? */
1478		1442
1479	if (target->scrollBar.win)	1443	bg_flags &= ~(BG_HAS_RENDER | BG_HAS_RENDER_CONV);
1480	XSetWindowBackground (target->dpy, target->scrollBar.win, target->pix_colors[Color_border]);	1444	#if XRENDER
1481	}	1445	int major, minor;
1482	}	1446	if (XRenderQueryVersion (dpy, &major, &minor))
1483	else	1447	bg_flags |= BG_HAS_RENDER;
1484	{	1448	XFilters *filters = XRenderQueryFilters (dpy, vt);
1485	/* set target background to a pixel */	1449	if (filters)
1486	XSetWindowBackground (target->dpy, target->parent[0], target->pix_colors[Color_border]);
1487	XSetWindowBackground (target->dpy, target->vt, target->pix_colors[Color_bg]);
1488	/* do we also need to set scrollbar's background here ? */
1489	if (target->scrollBar.win)
1490	XSetWindowBackground (target->dpy, target->scrollBar.win, target->pix_colors[Color_border]);
1491	}
1492
1493	/* don't want Expose on the parent or vt. It is better to use
1494	scr_touch or we get a great deal of flicker otherwise: */
1495	XClearWindow (target->dpy, target->parent[0]);
1496
1497	if (target->scrollBar.state && target->scrollBar.win)
1498	{
1499	target->scrollBar.state = STATE_IDLE;
1500	target->scrollBar.show (0);
1501	}
1502
1503	target->want_refresh = 1;
1504	flags |= hasChanged;
1505	}	1450	{
		1451	for (int i = 0; i < filters->nfilter; i++)
		1452	if (!strcmp (filters->filter[i], FilterConvolution))
		1453	bg_flags |= BG_HAS_RENDER_CONV;
		1454
		1455	XFree (filters);
		1456	}
		1457	#endif
1506	}	1458	}
1507		1459
1508	#endif /* HAVE_BG_PIXMAP */	1460	#endif /* HAVE_BG_PIXMAP */
1509		1461
1510	#if defined(ENABLE_TRANSPARENCY) && !defined(HAVE_AFTERIMAGE) && !XFT	1462	#if defined(ENABLE_TRANSPARENCY) && !defined(HAVE_AFTERIMAGE)
1511	/* taken from aterm-0.4.2 */	1463	/* taken from aterm-0.4.2 */
1512		1464
1513	typedef uint32_t RUINT32T;
1514
1515	static void	1465	static void
1516	ShadeXImage(rxvt_term *term, XImage *srcImage, int shade, int rm, int gm, int bm)	1466	shade_ximage (Visual *visual, XImage *ximage, int shade, const rgba &c)
1517	{	1467	{
1518	int sh_r, sh_g, sh_b;	1468	int sh_r, sh_g, sh_b;
1519	RUINT32T mask_r, mask_g, mask_b;	1469	uint32_t mask_r, mask_g, mask_b;
1520	RUINT32T *lookup, *lookup_r, *lookup_g, *lookup_b;	1470	uint32_t *lookup, *lookup_r, *lookup_g, *lookup_b;
1521	unsigned int lower_lim_r, lower_lim_g, lower_lim_b;	1471	rgba low;
1522	unsigned int upper_lim_r, upper_lim_g, upper_lim_b;	1472	rgba high;
1523	int i;	1473	int i;
		1474	int host_byte_order = ecb_big_endian () ? MSBFirst : LSBFirst;
1524		1475
1525	Visual *visual = term->visual;
1526
1527	if (visual->c_class != TrueColor || srcImage->format != ZPixmap) return ;	1476	if (visual->c_class != TrueColor || ximage->format != ZPixmap) return;
1528
1529	if (shade == 0)
1530	shade = 100;
1531		1477
1532	/* for convenience */	1478	/* for convenience */
1533	mask_r = visual->red_mask;	1479	mask_r = visual->red_mask;
1534	mask_g = visual->green_mask;	1480	mask_g = visual->green_mask;
1535	mask_b = visual->blue_mask;	1481	mask_b = visual->blue_mask;
1536		1482
1537	/* boring lookup table pre-initialization */	1483	/* boring lookup table pre-initialization */
1538	switch (srcImage->bits_per_pixel) {	1484	switch (ximage->depth)
		1485	{
1539	case 15:	1486	case 15:
1540	if ((mask_r != 0x7c00) ||	1487	if ((mask_r != 0x7c00) ||
1541	(mask_g != 0x03e0) ||	1488	(mask_g != 0x03e0) ||
1542	(mask_b != 0x001f))	1489	(mask_b != 0x001f))
1543	return;	1490	return;
1544	lookup = (RUINT32T *) malloc (sizeof (RUINT32T)*(32+32+32));	1491	lookup = (uint32_t *) malloc (sizeof (uint32_t)*(32+32+32));
1545	lookup_r = lookup;	1492	lookup_r = lookup;
1546	lookup_g = lookup+32;	1493	lookup_g = lookup+32;
1547	lookup_b = lookup+32+32;	1494	lookup_b = lookup+32+32;
1548	sh_r = 10;	1495	sh_r = 10;
1549	sh_g = 5;	1496	sh_g = 5;
1550	sh_b = 0;	1497	sh_b = 0;
1551	break;	1498	break;
1552	case 16:	1499	case 16:
1553	if ((mask_r != 0xf800) ||	1500	if ((mask_r != 0xf800) ||
1554	(mask_g != 0x07e0) ||	1501	(mask_g != 0x07e0) ||
1555	(mask_b != 0x001f))	1502	(mask_b != 0x001f))
1556	return;	1503	return;
1557	lookup = (RUINT32T *) malloc (sizeof (RUINT32T)*(32+64+32));	1504	lookup = (uint32_t *) malloc (sizeof (uint32_t)*(32+64+32));
1558	lookup_r = lookup;	1505	lookup_r = lookup;
1559	lookup_g = lookup+32;	1506	lookup_g = lookup+32;
1560	lookup_b = lookup+32+64;	1507	lookup_b = lookup+32+64;
1561	sh_r = 11;	1508	sh_r = 11;
1562	sh_g = 5;	1509	sh_g = 5;
1563	sh_b = 0;	1510	sh_b = 0;
1564	break;	1511	break;
1565	case 24:	1512	case 24:
1566	if ((mask_r != 0xff0000) ||	1513	if ((mask_r != 0xff0000) ||
1567	(mask_g != 0x00ff00) ||	1514	(mask_g != 0x00ff00) ||
1568	(mask_b != 0x0000ff))	1515	(mask_b != 0x0000ff))
1569	return;	1516	return;
1570	lookup = (RUINT32T *) malloc (sizeof (RUINT32T)*(256+256+256));	1517	lookup = (uint32_t *) malloc (sizeof (uint32_t)*(256+256+256));
1571	lookup_r = lookup;	1518	lookup_r = lookup;
1572	lookup_g = lookup+256;	1519	lookup_g = lookup+256;
1573	lookup_b = lookup+256+256;	1520	lookup_b = lookup+256+256;
1574	sh_r = 16;	1521	sh_r = 16;
1575	sh_g = 8;	1522	sh_g = 8;
1576	sh_b = 0;	1523	sh_b = 0;
1577	break;	1524	break;
1578	case 32:	1525	case 32:
1579	if ((mask_r != 0xff0000) ||	1526	if ((mask_r != 0xff0000) ||
1580	(mask_g != 0x00ff00) ||	1527	(mask_g != 0x00ff00) ||
1581	(mask_b != 0x0000ff))	1528	(mask_b != 0x0000ff))
1582	return;	1529	return;
1583	lookup = (RUINT32T *) malloc (sizeof (RUINT32T)*(256+256+256));	1530	lookup = (uint32_t *) malloc (sizeof (uint32_t)*(256+256+256));
1584	lookup_r = lookup;	1531	lookup_r = lookup;
1585	lookup_g = lookup+256;	1532	lookup_g = lookup+256;
1586	lookup_b = lookup+256+256;	1533	lookup_b = lookup+256+256;
1587	sh_r = 16;	1534	sh_r = 16;
1588	sh_g = 8;	1535	sh_g = 8;
1589	sh_b = 0;	1536	sh_b = 0;
1590	break;	1537	break;
1591	default:	1538	default:
1592	return; /* we do not support this color depth */	1539	return; /* we do not support this color depth */
1593	}	1540	}
1594		1541
1595	/* prepare limits for color transformation (each channel is handled separately) */	1542	/* prepare limits for color transformation (each channel is handled separately) */
1596	if (shade < 0) {	1543	if (shade > 100)
		1544	{
1597	shade = -shade;	1545	shade = 200 - shade;
1598	if (shade < 0) shade = 0;
1599	if (shade > 100) shade = 100;
1600		1546
1601	lower_lim_r = 65535-rm;	1547	high.r = c.r * shade / 100;
1602	lower_lim_g = 65535-gm;	1548	high.g = c.g * shade / 100;
1603	lower_lim_b = 65535-bm;	1549	high.b = c.b * shade / 100;
1604		1550
1605	lower_lim_r = 65535-(unsigned int)(((RUINT32T)lower_lim_r)*((RUINT32T)shade)/100);	1551	low.r = 65535 * (100 - shade) / 100;
1606	lower_lim_g = 65535-(unsigned int)(((RUINT32T)lower_lim_g)*((RUINT32T)shade)/100);	1552	low.g = 65535 * (100 - shade) / 100;
1607	lower_lim_b = 65535-(unsigned int)(((RUINT32T)lower_lim_b)*((RUINT32T)shade)/100);	1553	low.b = 65535 * (100 - shade) / 100;
1608
1609	upper_lim_r = upper_lim_g = upper_lim_b = 65535;
1610	} else {
1611	if (shade < 0) shade = 0;
1612	if (shade > 100) shade = 100;
1613
1614	lower_lim_r = lower_lim_g = lower_lim_b = 0;
1615
1616	upper_lim_r = (unsigned int)((((RUINT32T)rm)*((RUINT32T)shade))/100);
1617	upper_lim_g = (unsigned int)((((RUINT32T)gm)*((RUINT32T)shade))/100);
1618	upper_lim_b = (unsigned int)((((RUINT32T)bm)*((RUINT32T)shade))/100);
1619	}	1554	}
1620		1555	else
1621	/* switch red and blue bytes if necessary, we need it for some weird XServers like XFree86 3.3.3.1 */
1622	if ((srcImage->bits_per_pixel == 24) && (mask_r >= 0xFF0000 ))
1623	{	1556	{
1624	unsigned int tmp;	1557	high.r = c.r * shade / 100;
		1558	high.g = c.g * shade / 100;
		1559	high.b = c.b * shade / 100;
1625		1560
1626	tmp = lower_lim_r;	1561	low.r = low.g = low.b = 0;
1627	lower_lim_r = lower_lim_b;
1628	lower_lim_b = tmp;
1629
1630	tmp = upper_lim_r;
1631	upper_lim_r = upper_lim_b;
1632	upper_lim_b = tmp;
1633	}	1562	}
1634		1563
1635	/* fill our lookup tables */	1564	/* fill our lookup tables */
1636	for (i = 0; i <= mask_r>>sh_r; i++)	1565	for (i = 0; i <= mask_r>>sh_r; i++)
1637	{	1566	{
1638	RUINT32T tmp;	1567	uint32_t tmp;
1639	tmp = ((RUINT32T)i)*((RUINT32T)(upper_lim_r-lower_lim_r));	1568	tmp = i * high.r;
1640	tmp += ((RUINT32T)(mask_r>>sh_r))*((RUINT32T)lower_lim_r);	1569	tmp += (mask_r>>sh_r) * low.r;
1641	lookup_r[i] = (tmp/65535)<<sh_r;	1570	lookup_r[i] = (tmp/65535)<<sh_r;
1642	}	1571	}
1643	for (i = 0; i <= mask_g>>sh_g; i++)	1572	for (i = 0; i <= mask_g>>sh_g; i++)
1644	{	1573	{
1645	RUINT32T tmp;	1574	uint32_t tmp;
1646	tmp = ((RUINT32T)i)*((RUINT32T)(upper_lim_g-lower_lim_g));	1575	tmp = i * high.g;
1647	tmp += ((RUINT32T)(mask_g>>sh_g))*((RUINT32T)lower_lim_g);	1576	tmp += (mask_g>>sh_g) * low.g;
1648	lookup_g[i] = (tmp/65535)<<sh_g;	1577	lookup_g[i] = (tmp/65535)<<sh_g;
1649	}	1578	}
1650	for (i = 0; i <= mask_b>>sh_b; i++)	1579	for (i = 0; i <= mask_b>>sh_b; i++)
1651	{	1580	{
1652	RUINT32T tmp;	1581	uint32_t tmp;
1653	tmp = ((RUINT32T)i)*((RUINT32T)(upper_lim_b-lower_lim_b));	1582	tmp = i * high.b;
1654	tmp += ((RUINT32T)(mask_b>>sh_b))*((RUINT32T)lower_lim_b);	1583	tmp += (mask_b>>sh_b) * low.b;
1655	lookup_b[i] = (tmp/65535)<<sh_b;	1584	lookup_b[i] = (tmp/65535)<<sh_b;
1656	}	1585	}
1657		1586
1658	/* apply table to input image (replacing colors by newly calculated ones) */	1587	/* apply table to input image (replacing colors by newly calculated ones) */
1659	switch (srcImage->bits_per_pixel)	1588	if (ximage->bits_per_pixel == 32
		1589	&& (ximage->depth == 24 || ximage->depth == 32)
		1590	&& ximage->byte_order == host_byte_order)
1660	{	1591	{
1661	case 15:
1662	{
1663	unsigned short *p1, *pf, *p, *pl;	1592	uint32_t *p1, *pf, *p, *pl;
1664	p1 = (unsigned short *) srcImage->data;	1593	p1 = (uint32_t *) ximage->data;
1665	pf = (unsigned short *) (srcImage->data + srcImage->height * srcImage->bytes_per_line);	1594	pf = (uint32_t *) (ximage->data + ximage->height * ximage->bytes_per_line);
		1595
1666	while (p1 < pf)	1596	while (p1 < pf)
1667	{	1597	{
1668	p = p1;	1598	p = p1;
1669	pl = p1 + srcImage->width;	1599	pl = p1 + ximage->width;
1670	for (; p < pl; p++)	1600	for (; p < pl; p++)
1671	{	1601	{
1672	*p = lookup_r[(*p & 0x7c00)>>10] |
1673	lookup_g[(*p & 0x03e0)>> 5] |
1674	lookup_b[(*p & 0x001f)];
1675	}
1676	p1 = (unsigned short *) ((char *) p1 + srcImage->bytes_per_line);
1677	}
1678	break;
1679	}
1680	case 16:
1681	{
1682	unsigned short *p1, *pf, *p, *pl;
1683	p1 = (unsigned short *) srcImage->data;
1684	pf = (unsigned short *) (srcImage->data + srcImage->height * srcImage->bytes_per_line);
1685	while (p1 < pf)
1686	{
1687	p = p1;
1688	pl = p1 + srcImage->width;
1689	for (; p < pl; p++)
1690	{
1691	*p = lookup_r[(*p & 0xf800)>>11] |
1692	lookup_g[(*p & 0x07e0)>> 5] |
1693	lookup_b[(*p & 0x001f)];
1694	}
1695	p1 = (unsigned short *) ((char *) p1 + srcImage->bytes_per_line);
1696	}
1697	break;
1698	}
1699	case 24:
1700	{
1701	unsigned char *p1, *pf, *p, *pl;
1702	p1 = (unsigned char *) srcImage->data;
1703	pf = (unsigned char *) (srcImage->data + srcImage->height * srcImage->bytes_per_line);
1704	while (p1 < pf)
1705	{
1706	p = p1;
1707	pl = p1 + srcImage->width * 3;
1708	for (; p < pl; p += 3)
1709	{
1710	p[0] = lookup_r[(p[0] & 0xff0000)>>16];
1711	p[1] = lookup_r[(p[1] & 0x00ff00)>> 8];
1712	p[2] = lookup_r[(p[2] & 0x0000ff)];
1713	}
1714	p1 = (unsigned char *) ((char *) p1 + srcImage->bytes_per_line);
1715	}
1716	break;
1717	}
1718	case 32:
1719	{
1720	RUINT32T *p1, *pf, *p, *pl;
1721	p1 = (RUINT32T *) srcImage->data;
1722	pf = (RUINT32T *) (srcImage->data + srcImage->height * srcImage->bytes_per_line);
1723
1724	while (p1 < pf)
1725	{
1726	p = p1;
1727	pl = p1 + srcImage->width;
1728	for (; p < pl; p++)
1729	{
1730	*p = lookup_r[(*p & 0xff0000)>>16] |	1602	*p = lookup_r[(*p & 0xff0000) >> 16] |
1731	lookup_g[(*p & 0x00ff00)>> 8] |	1603	lookup_g[(*p & 0x00ff00) >> 8] |
1732	lookup_b[(*p & 0x0000ff)] |	1604	lookup_b[(*p & 0x0000ff)] |
1733	(*p & ~0xffffff);	1605	(*p & 0xff000000);
		1606	}
		1607	p1 = (uint32_t *) ((char *) p1 + ximage->bytes_per_line);
		1608	}
		1609	}
		1610	else
		1611	{
		1612	for (int y = 0; y < ximage->height; y++)
		1613	for (int x = 0; x < ximage->width; x++)
		1614	{
		1615	unsigned long pixel = XGetPixel (ximage, x, y);
		1616	pixel = lookup_r[(pixel & mask_r) >> sh_r] |
		1617	lookup_g[(pixel & mask_g) >> sh_g] |
		1618	lookup_b[(pixel & mask_b) >> sh_b];
		1619	XPutPixel (ximage, x, y, pixel);
1734	}	1620	}
1735	p1 = (RUINT32T *) ((char *) p1 + srcImage->bytes_per_line);
1736	}	1621	}
1737	break;
1738	}
1739	}
1740		1622
1741	free (lookup);	1623	free (lookup);
1742	}	1624	}
1743	#endif /* defined(ENABLE_TRANSPARENCY) && !defined(HAVE_AFTERIMAGE) */	1625	#endif /* defined(ENABLE_TRANSPARENCY) && !defined(HAVE_AFTERIMAGE) */

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