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Comparing rxvt-unicode/src/background.C (file contents):
Revision 1.98 by sf-exg, Sat Oct 30 10:57:52 2010 UTC vs.
Revision 1.244 by root, Sun Jun 17 21:58:18 2012 UTC

1	/*----------------------------------------------------------------------*	1	/*----------------------------------------------------------------------*
2	* File: background.C - former xpm.C	2	* File: background.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	* Copyright (c) 2010-2012 Emanuele Giaquinta <e.giaquinta@glauco.it>
9	*	9	*
10	* 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
11	* 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
12	* the Free Software Foundation; either version 2 of the License, or	12	* the Free Software Foundation; either version 2 of the License, or
13	* (at your option) any later version.	13	* (at your option) any later version.
…		…
20	* 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
21	* along with this program; if not, write to the Free Software	21	* along with this program; if not, write to the Free Software
22	* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.	22	* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
23	*---------------------------------------------------------------------*/	23	*---------------------------------------------------------------------*/
24		24
25	#include <cmath>
26	#include "../config.h" /* NECESSARY */	25	#include "../config.h" /* NECESSARY */
27	#include "rxvt.h" /* NECESSARY */	26	#include "rxvt.h" /* NECESSARY */
28		27
29	#define DO_TIMING_TEST 0
30
31	#if DO_TIMING_TEST
32	# include <sys/time.h>
33	#define TIMING_TEST_START(id) \
34	struct timeval timing_test_##id##_stv; \
35	gettimeofday (&timing_test_##id##_stv, NULL);
36
37	#define TIMING_TEST_PRINT_RESULT(id) \
38	do { \
39	struct timeval tv; \
40	gettimeofday (&tv, NULL); \
41	tv.tv_sec -= (timing_test_##id##_stv).tv_sec; \
42	fprintf (stderr, "%s: %s: %d: elapsed %ld usec\n", #id, __FILE__, __LINE__, \
43	tv.tv_sec * 1000000 + tv.tv_usec - (timing_test_##id##_stv).tv_usec); \
44	} while (0)
45
46	#else
47	#define TIMING_TEST_START(id) do {} while (0)
48	#define TIMING_TEST_PRINT_RESULT(id) do {} while (0)
49	#endif
50
51	/*
52	* Pixmap geometry string interpretation :
53	* Each geometry string contains zero or one scale/position
54	* adjustment and may optionally be followed by a colon and one or more
55	* colon-delimited pixmap operations.
56	* The following table shows the valid geometry strings and their
57	* effects on the background image :
58	*
59	* WxH+X+Y Set scaling to W% by H%, and position to X% by Y%.
60	* W and H are percentages of the terminal window size.
61	* X and Y are also percentages; e.g., +50+50 centers
62	* the image in the window.
63	* WxH+X Assumes Y == X
64	* WxH Assumes Y == X == 50 (centers the image)
65	* W+X+Y Assumes H == W
66	* W+X Assumes H == W and Y == X
67	* W Assumes H == W and Y == X == 50
68	*
69	* Adjusting position only :
70	* =+X+Y Set position to X% by Y% (absolute).
71	* =+X Set position to X% by X%.
72	* +X+Y Adjust position horizontally X% and vertically Y%
73	* from current position (relative).
74	* +X Adjust position horizontally X% and vertically X%
75	* from current position.
76	*
77	* Adjusting scale only :
78	* Wx0 Multiply horizontal scaling factor by W%
79	* 0xH Multiply vertical scaling factor by H%
80	* 0x0 No scaling (show image at normal size).
81	*
82	* Pixmap Operations : (should be prepended by a colon)
83	* tile Tile image. Scaling/position modifiers above will affect
84	* the tile size and origin.
85	* propscale When scaling, scale proportionally. That is, maintain the
86	* proper aspect ratio for the image. Any portion of the
87	* background not covered by the image is filled with the
88	* current background color.
89	* hscale Scale horizontally, tile vertically ?
90	* vscale Tile horizontally, scale vertically ?
91	* scale Scale both up and down
92	* auto Same as 100x100+50+50
93	*/
94
95	#ifdef HAVE_BG_PIXMAP	28	#ifdef HAVE_BG_PIXMAP
96	bgPixmap_t::bgPixmap_t ()
97	{
98	// this is basically redundant as bgPixmap_t is only used in
99	// zero_initialised-derived structs
100	#ifdef HAVE_AFTERIMAGE
101	original_asim = NULL;
102	#endif
103	#ifdef HAVE_PIXBUF
104	pixbuf = NULL;
105	#endif
106	#ifdef BG_IMAGE_FROM_FILE
107	have_image = false;
108	h_scale = v_scale = 0;
109	h_align = v_align = 0;
110	#endif
111	#ifdef ENABLE_TRANSPARENCY
112	shade = 100;
113	#endif
114	flags = 0;
115	pixmap = None;
116	valid_since = invalid_since = 0;
117	target = 0;
118	}
119		29
120	void	30	void
121	bgPixmap_t::destroy ()	31	rxvt_term::bg_destroy ()
122	{	32	{
123	#ifdef HAVE_AFTERIMAGE
124	if (original_asim)
125	safe_asimage_destroy (original_asim);
126	#endif
127
128	#ifdef HAVE_PIXBUF
129	if (pixbuf)
130	g_object_unref (pixbuf);
131	#endif
132
133	if (pixmap && target)
134	XFreePixmap (target->dpy, pixmap);
135	}
136
137	bool
138	bgPixmap_t::window_size_sensitive ()
139	{
140	# ifdef ENABLE_TRANSPARENCY	33	# if ENABLE_TRANSPARENCY
141	if (flags & isTransparent)	34	delete root_img;
		35	root_img = 0;
		36	# endif
		37
		38	# if BG_IMAGE_FROM_FILE
		39	fimage.destroy ();
		40	# endif
		41
		42	delete bg_img;
		43	bg_img = 0;
		44	}
		45
		46	bool
		47	rxvt_term::bg_window_size_sensitive ()
		48	{
		49	# if ENABLE_TRANSPARENCY
		50	if (bg_flags & BG_IS_TRANSPARENT)
142	return true;	51	return true;
143	# endif	52	# endif
144		53
145	# ifdef BG_IMAGE_FROM_FILE	54	# if BG_IMAGE_FROM_FILE
146	if (have_image)	55	if (fimage.img)
147	{	56	{
148	if (flags & sizeSensitive)	57	if ((fimage.flags & IM_IS_SIZE_SENSITIVE)
		58	|| fimage.img->w > szHint.width
		59	|| fimage.img->h > szHint.height)
149	return true;	60	return true;
150	}	61	}
151	# endif	62	# endif
152		63
153	return false;	64	return false;
154	}	65	}
155		66
156	bool	67	bool
157	bgPixmap_t::window_position_sensitive ()	68	rxvt_term::bg_window_position_sensitive ()
158	{	69	{
159	# ifdef ENABLE_TRANSPARENCY	70	# if ENABLE_TRANSPARENCY
160	if (flags & isTransparent)	71	if (bg_flags & BG_IS_TRANSPARENT)
161	return true;	72	return true;
162	# endif	73	# endif
163		74
164	# ifdef BG_IMAGE_FROM_FILE	75	# if BG_IMAGE_FROM_FILE
165	if (have_image)	76	if (fimage.img)
166	{	77	{
167	if (flags & rootAlign)	78	if (fimage.flags & IM_ROOT_ALIGN)
168	return true;	79	return true;
169	}	80	}
170	# endif	81	# endif
171		82
172	return false;	83	return false;
173	};
174
175	bool bgPixmap_t::need_client_side_rendering ()
176	{
177	# ifdef HAVE_AFTERIMAGE
178	if (original_asim)
179	return true;
180	# endif
181	return false;
182	}	84	}
183		85
184	# ifdef BG_IMAGE_FROM_FILE	86	# if BG_IMAGE_FROM_FILE
185	static inline bool
186	check_set_scale_value (int geom_flags, int flag, unsigned int &scale, unsigned int new_value)
187	{
188	if (geom_flags & flag)
189	{
190	if (new_value > 1000)
191	new_value = 1000;
192	if (new_value != scale)
193	{
194	scale = new_value;
195	return true;
196	}
197	}
198	return false;
199	}
200
201	static inline bool
202	check_set_align_value (int geom_flags, int flag, int &align, int new_value)
203	{
204	if (geom_flags & flag)
205	{
206	if (new_value < -100)
207	new_value = -100;
208	else if (new_value > 200)
209	new_value = 200;
210	if (new_value != align)
211	{
212	align = new_value;
213	return true;
214	}
215	}
216	return false;
217	}
218
219	static inline int	87	static inline int
220	make_align_position (int align, int window_size, int image_size)	88	make_align_position (int align, int window_size, int image_size)
221	{	89	{
222	int diff = window_size - image_size;
223	int smaller = min (image_size, window_size);
224
225	if (align >= 0 && align <= 100)	90	if (align >= 0 && align <= 100)
226	return diff * align / 100;	91	return lerp (0, window_size - image_size, align);
227	else if (align > 100 && align <= 200)	92	else if (align > 100)
228	return ((align - 100) * smaller / 100) + window_size - smaller;	93	return lerp (window_size - image_size, window_size, align - 100);
229	else if (align >= -100 && align < 0)	94	else
230	return ((align + 100) * smaller / 100) - image_size;	95	return lerp (-image_size, 0, align + 100);
231	return 0;
232	}	96	}
233		97
234	static inline int	98	static void
235	make_clip_rectangle (int pos, int size, int target_size, int &dst_pos, int &dst_size)	99	parse_style (const char *style, int &x, int &y, unsigned int &w, unsigned int &h, uint8_t &flags)
236	{	100	{
237	int src_pos = 0;	101	if (!strcasecmp (style, "tiled"))
238	dst_pos = pos;
239	dst_size = size;
240	if (pos < 0)
241	{
242	src_pos = -pos;
243	dst_pos = 0;
244	dst_size += pos;
245	}	102	{
246		103	flags = IM_TILE;
247	if (dst_pos + dst_size > target_size)	104	w = h = noScale;
248	dst_size = target_size - dst_pos;	105	x = y = 0;
249	return src_pos;	106	}
		107	else if (!strcasecmp (style, "aspect-stretched"))
		108	{
		109	flags = IM_KEEP_ASPECT;
		110	w = h = windowScale;
		111	x = y = centerAlign;
		112	}
		113	else if (!strcasecmp (style, "stretched"))
		114	{
		115	flags = 0;
		116	w = h = windowScale;
		117	x = y = centerAlign;
		118	}
		119	else if (!strcasecmp (style, "centered"))
		120	{
		121	flags = 0;
		122	w = h = noScale;
		123	x = y = centerAlign;
		124	}
		125	else if (!strcasecmp (style, "root-tiled"))
		126	{
		127	flags = IM_TILE|IM_ROOT_ALIGN;
		128	w = h = noScale;
		129	x = y = 0;
		130	}
250	}	131	}
251		132
252	bool	133	bool
253	bgPixmap_t::set_geometry (const char *geom)	134	rxvt_image::set_geometry (const char *geom, bool update)
254	{	135	{
		136	bool changed = false;
255	int geom_flags = 0, changed = 0;	137	int geom_flags = 0;
256	int x = 0, y = 0;	138	int x = h_align;
		139	int y = v_align;
257	unsigned int w = 0, h = 0;	140	unsigned int w = h_scale;
258	unsigned int n;	141	unsigned int h = v_scale;
259	unsigned long new_flags = (flags & (~geometryFlags));	142	uint8_t new_flags = 0;
260	const char *p;
261	# define MAXLEN_GEOM 256 /* could be longer than regular geometry string */
262		143
263	if (geom == NULL)	144	if (geom == NULL)
264	return false;	145	return false;
265		146
266	char str[MAXLEN_GEOM];	147	if (geom[0])
267
268	while (isspace(*geom)) ++geom;
269	if ((p = strchr (geom, ';')) == NULL)
270	p = strchr (geom, '\0');
271
272	n = (p - geom);
273	if (n < MAXLEN_GEOM)
274	{	148	{
275	char *ops;	149	char **arr = rxvt_strsplit (':', geom);
276	new_flags |= geometrySet;
277		150
278	memcpy (str, geom, n);	151	for (int i = 0; arr[i]; i++)
279	str[n] = '\0';
280	if (str[0] == ':')
281	ops = &str[0];
282	else if (str[0] != 'x' && str[0] != 'X' && isalpha(str[0]))
283	ops = &str[0];
284	else
285	{	152	{
286	char *tmp;	153	if (!strncasecmp (arr[i], "style=", 6))
287	ops = strchr (str, ':');
288	if (ops != NULL)
289	{
290	for (tmp = ops-1; tmp >= str && isspace(*tmp); --tmp);
291	*(++tmp) = '\0';
292	if (ops == tmp) ++ops;
293	}	154	{
294	}	155	parse_style (arr[i] + 6, x, y, w, h, new_flags);
295
296	if (ops > str || ops == NULL)
297	{
298	/* we have geometry string - let's handle it prior to applying ops */
299	geom_flags = XParseGeometry (str, &x, &y, &w, &h);
300
301	if ((geom_flags & XValue) && !(geom_flags & YValue))
302	{
303	y = x;
304	geom_flags |= YValue;
305	}
306
307	if (flags & geometrySet)
308	{
309	/* new geometry is an adjustment to the old one ! */
310	if ((geom_flags & WidthValue) && (geom_flags & HeightValue))
311	{
312	if (w == 0 && h != 0)
313	{
314	w = h_scale;
315	h = (v_scale * h) / 100;
316	}
317	else if (h == 0 && w != 0)
318	{
319	w = (h_scale * w) / 100;
320	h = v_scale;
321	}
322	}
323	if (geom_flags & XValue)
324	{
325	if (str[0] != '=')
326	{
327	y += v_align;
328	x += h_align;
329	}
330	}
331	}
332	else /* setting up geometry from scratch */
333	{
334	if (!(geom_flags & XValue))
335	{
336	/* use default geometry - centered */
337	x = y = defaultAlign;
338	}
339	else if (!(geom_flags & YValue))
340	y = x;
341
342	if ((geom_flags & (WidthValue|HeightValue)) == 0)
343	{
344	/* use default geometry - scaled */
345	w = h = defaultScale;
346	}
347	else if (geom_flags & WidthValue)
348	{
349	if (!(geom_flags & HeightValue))
350	h = w;
351	}
352	else
353	w = h;
354	}
355	} /* done parsing geometry string */
356	else if (!(flags & geometrySet))
357	{
358	/* default geometry - scaled and centered */
359	x = y = defaultAlign;
360	w = h = defaultScale;
361	}
362
363	if (!(flags & geometrySet))
364	geom_flags |= WidthValue|HeightValue|XValue|YValue;	156	geom_flags = WidthValue|HeightValue|XValue|YValue;
365
366	if (ops)
367	{
368	while (*ops)
369	{	157	}
370	while (*ops == ':' || isspace(*ops)) ++ops;	158	else if (!strcasecmp (arr[i], "op=tile"))
		159	new_flags |= IM_TILE;
		160	else if (!strcasecmp (arr[i], "op=keep-aspect"))
		161	new_flags |= IM_KEEP_ASPECT;
		162	else if (!strcasecmp (arr[i], "op=root-align"))
		163	new_flags |= IM_ROOT_ALIGN;
371		164
372	# define CHECK_GEOM_OPS(op_str) (strncasecmp (ops, (op_str), sizeof (op_str) - 1) == 0)	165	// deprecated
373	if (CHECK_GEOM_OPS ("tile"))	166	else if (!strcasecmp (arr[i], "tile"))
374	{	167	{
		168	new_flags |= IM_TILE;
375	w = h = noScale;	169	w = h = noScale;
376	geom_flags |= WidthValue|HeightValue;	170	geom_flags |= WidthValue|HeightValue;
377	}	171	}
378	else if (CHECK_GEOM_OPS ("propscale"))	172	else if (!strcasecmp (arr[i], "propscale"))
379	{	173	{
380	new_flags |= propScale;	174	new_flags |= IM_KEEP_ASPECT;
381	}
382	else if (CHECK_GEOM_OPS ("hscale"))
383	{
384	if (w == 0) w = windowScale;
385
386	h = noScale;	175	w = h = windowScale;
387	geom_flags |= WidthValue|HeightValue;	176	geom_flags |= WidthValue|HeightValue;
388	}	177	}
389	else if (CHECK_GEOM_OPS ("vscale"))	178	else if (!strcasecmp (arr[i], "hscale"))
390	{	179	{
		180	new_flags |= IM_TILE;
391	if (h == 0) h = windowScale;	181	w = windowScale;
392
393	w = noScale;	182	h = noScale;
394	geom_flags |= WidthValue|HeightValue;	183	geom_flags |= WidthValue|HeightValue;
395	}	184	}
396	else if (CHECK_GEOM_OPS ("scale"))	185	else if (!strcasecmp (arr[i], "vscale"))
397	{	186	{
		187	new_flags |= IM_TILE;
398	if (h == 0) h = windowScale;	188	h = windowScale;
399	if (w == 0) w = windowScale;	189	w = noScale;
400
401	geom_flags |= WidthValue|HeightValue;	190	geom_flags |= WidthValue|HeightValue;
402	}	191	}
403	else if (CHECK_GEOM_OPS ("auto"))	192	else if (!strcasecmp (arr[i], "scale"))
404	{	193	{
405	w = h = windowScale;	194	w = h = windowScale;
		195	geom_flags |= WidthValue|HeightValue;
		196	}
		197	else if (!strcasecmp (arr[i], "auto"))
		198	{
		199	w = h = windowScale;
406	x = y = centerAlign;	200	x = y = centerAlign;
407	geom_flags |= WidthValue|HeightValue|XValue|YValue;	201	geom_flags |= WidthValue|HeightValue|XValue|YValue;
408	}	202	}
409	else if (CHECK_GEOM_OPS ("root"))	203	else if (!strcasecmp (arr[i], "root"))
410	{	204	{
411	new_flags |= rootAlign;	205	new_flags |= IM_TILE|IM_ROOT_ALIGN;
412	w = h = noScale;	206	w = h = noScale;
413	geom_flags |= WidthValue|HeightValue;	207	geom_flags |= WidthValue|HeightValue;
414	}	208	}
415	# undef CHECK_GEOM_OPS
416		209
417	while (*ops != ':' && *ops != '\0') ++ops;	210	else
		211	geom_flags |= XParseGeometry (arr[i], &x, &y, &w, &h);
418	} /* done parsing ops */	212	} /* done parsing ops */
419	}
420		213
421	if (check_set_scale_value (geom_flags, WidthValue, h_scale, w)) ++changed;	214	rxvt_free_strsplit (arr);
422	if (check_set_scale_value (geom_flags, HeightValue, v_scale, h)) ++changed;	215	}
423	if (check_set_align_value (geom_flags, XValue, h_align, x)) ++changed;	216
424	if (check_set_align_value (geom_flags, YValue, v_align, y)) ++changed;	217	new_flags |= flags & ~IM_GEOMETRY_FLAGS;
		218
		219	if (!update)
425	}	220	{
		221	if (!(geom_flags & XValue))
		222	x = y = defaultAlign;
		223	else if (!(geom_flags & YValue))
		224	y = x;
426		225
427	if (new_flags != flags)	226	if (!(geom_flags & (WidthValue|HeightValue)))
		227	w = h = defaultScale;
		228	else if (!(geom_flags & HeightValue))
		229	h = w;
		230	else if (!(geom_flags & WidthValue))
		231	w = h;
		232	}
		233
		234	clamp_it (x, -100, 200);
		235	clamp_it (y, -100, 200);
		236
		237	if (flags != new_flags
		238	|| h_scale != w
		239	|| v_scale != h
		240	|| h_align != x
		241	|| v_align != y)
428	{	242	{
429	flags = new_flags;	243	flags = new_flags;
		244	h_scale = w;
		245	v_scale = h;
		246	h_align = x;
		247	v_align = y;
430	changed++;	248	changed = true;
431	}	249	}
432		250
		251	if (is_size_sensitive ())
		252	flags |= IM_IS_SIZE_SENSITIVE;
		253	else
		254	flags &= ~IM_IS_SIZE_SENSITIVE;
		255
433	return (changed > 0);	256	return changed;
434	}	257	}
435		258
436	void	259	void
437	bgPixmap_t::get_image_geometry (int image_width, int image_height, int &w, int &h, int &x, int &y)	260	rxvt_term::get_image_geometry (rxvt_image &image, int &w, int &h, int &x, int &y)
438	{	261	{
		262	int image_width = image.img->w;
		263	int image_height = image.img->h;
439	int target_width = target->szHint.width;	264	int parent_width = szHint.width;
440	int target_height = target->szHint.height;	265	int parent_height = szHint.height;
		266	int h_scale = min (image.h_scale, 32767 * 100 / parent_width);
		267	int v_scale = min (image.v_scale, 32767 * 100 / parent_height);
441		268
442	if (flags & propScale)	269	w = h_scale * parent_width / 100;
		270	h = v_scale * parent_height / 100;
		271
		272	if (image.flags & IM_KEEP_ASPECT)
443	{	273	{
444	float scale = (float)target_width / image_width;	274	float scale = (float)w / image_width;
445	min_it (scale, (float)target_height / image_height);	275	min_it (scale, (float)h / image_height);
446	w = image_width * scale + 0.5;	276	w = image_width * scale + 0.5;
447	h = image_height * scale + 0.5;	277	h = image_height * scale + 0.5;
448	}	278	}
449	else
450	{
451	w = h_scale * target_width / 100;
452	h = v_scale * target_height / 100;
453	}
454		279
455	if (!w) w = image_width;	280	if (!w) w = image_width;
456	if (!h) h = image_height;	281	if (!h) h = image_height;
457		282
458	if (flags & rootAlign)	283	if (image.flags & IM_ROOT_ALIGN)
459	{	284	{
460	target->get_window_origin (x, y);
461	x = -x;	285	x = -parent_x;
462	y = -y;	286	y = -parent_y;
463	}	287	}
464	else	288	else
465	{	289	{
466	x = make_align_position (h_align, target_width, w);	290	x = make_align_position (image.h_align, parent_width, w);
467	y = make_align_position (v_align, target_height, h);	291	y = make_align_position (image.v_align, parent_height, h);
468	}
469
470	flags &= ~sizeSensitive;
471	if ((flags & propScale) || h_scale || v_scale
472	|| (!(flags & rootAlign) && (h_align || v_align))
473	|| w > target_width || h > target_height)
474	flags |= sizeSensitive;
475	}
476
477	# ifdef HAVE_AFTERIMAGE
478	bool
479	bgPixmap_t::render_image (unsigned long background_flags)
480	{
481	if (target == NULL)
482	return false;
483
484	target->init_asv ();
485
486	ASImage *background = NULL;
487	ARGB32 background_tint = TINT_LEAVE_SAME;
488
489	# ifdef ENABLE_TRANSPARENCY
490	if (background_flags)
491	background = pixmap2ximage (target->asv, pixmap, 0, 0, pmap_width, pmap_height, AllPlanes, 100);
492
493	if (!(background_flags & transpPmapTinted) && (flags & tintNeeded))
494	{	292	}
495	ShadingInfo as_shade;	293	}
496	as_shade.shading = shade;
497		294
498	rgba c (rgba::MAX_CC,rgba::MAX_CC,rgba::MAX_CC);	295	bool
499	if (flags & tintSet)	296	rxvt_term::render_image (rxvt_image &image)
500	tint.get (c);	297	{
501	as_shade.tintColor.red = c.r;
502	as_shade.tintColor.green = c.g;
503	as_shade.tintColor.blue = c.b;
504
505	background_tint = shading2tint32 (&as_shade);
506	}
507
508	if (!(background_flags & transpPmapBlurred) && (flags & blurNeeded) && background != NULL)
509	{
510	ASImage *tmp = blur_asimage_gauss (target->asv, background, h_blurRadius, v_blurRadius, 0xFFFFFFFF,
511	(original_asim == NULL || tint == TINT_LEAVE_SAME) ? ASA_XImage : ASA_ASImage,
512	100, ASIMAGE_QUALITY_DEFAULT);
513	if (tmp)
514	{
515	destroy_asimage (&background);
516	background = tmp;
517	}
518	}
519	# endif
520
521	ASImage *result = 0;
522
523	int target_width = target->szHint.width;	298	int parent_width = szHint.width;
524	int target_height = target->szHint.height;	299	int parent_height = szHint.height;
525	int new_pmap_width = target_width;
526	int new_pmap_height = target_height;
527		300
528	int x = 0;	301	int x = 0;
529	int y = 0;	302	int y = 0;
530	int w = 0;	303	int w = 0;
531	int h = 0;	304	int h = 0;
532		305
533	if (original_asim)	306	get_image_geometry (image, w, h, x, y);
534	get_image_geometry (original_asim->width, original_asim->height, w, h, x, y);
535		307
536	if (!original_asim	308	if (!(image.flags & IM_ROOT_ALIGN)
537	|| (!(flags & rootAlign)
538	&& (x >= target_width	309	&& (x >= parent_width
539	|| y >= target_height	310	|| y >= parent_height
540	|| (x + w <= 0)	311	|| x + w <= 0
541	|| (y + h <= 0))))	312	|| y + h <= 0))
542	{	313	return false;
543	if (background)
544	{
545	new_pmap_width = background->width;
546	new_pmap_height = background->height;
547	result = background;
548		314
549	if (background_tint != TINT_LEAVE_SAME)	315	rxvt_img *img = image.img->scale (w, h);
550	{	316
551	ASImage *tmp = tile_asimage (target->asv, background, 0, 0,	317	if (image.flags & IM_TILE)
552	target_width, target_height, background_tint,	318	img->repeat_mode (RepeatNormal);
553	ASA_XImage, 100, ASIMAGE_QUALITY_DEFAULT);
554	if (tmp)
555	result = tmp;
556	}
557	}
558	else
559	new_pmap_width = new_pmap_height = 0;
560	}
561	else	319	else
562	{	320	img->repeat_mode (RepeatNone);
563	result = original_asim;	321	img->sub_rect (-x, -y, parent_width, parent_height)->replace (img);
564		322
565	if ((w != original_asim->width)	323	if (bg_flags & BG_IS_VALID)
566	|| (h != original_asim->height))	324	bg_img->draw (img, PictOpOver, image.alpha * 1. / 0xffff);
567	{
568	result = scale_asimage (target->asv, original_asim,
569	w, h,
570	background ? ASA_ASImage : ASA_XImage,
571	100, ASIMAGE_QUALITY_DEFAULT);
572	}
573		325
574	if (background == NULL)	326	XRenderPictFormat *format = XRenderFindVisualFormat (dpy, visual);
575	{	327	img->convert_format (format, pix_colors [Color_bg])->replace (img);
576	if (h_scale == 0 || v_scale == 0)
577	{
578	/* if tiling - pixmap has to be sized exactly as the image,
579	but there is no need to make it bigger than the window! */
580	new_pmap_width = min (result->width, target_width);
581	new_pmap_height = min (result->height, target_height);
582		328
583	/* we also need to tile our image in both directions */	329	delete bg_img;
584	ASImage *tmp = tile_asimage (target->asv, result,	330	bg_img = img;
585	(int)result->width - x,
586	(int)result->height - y,
587	new_pmap_width,
588	new_pmap_height,
589	TINT_LEAVE_SAME, ASA_XImage,
590	100, ASIMAGE_QUALITY_DEFAULT);
591	if (tmp)
592	{
593	if (result != original_asim)
594	destroy_asimage (&result);
595		331
596	result = tmp;
597	}
598	}
599	}
600	else
601	{
602	/* if blending background and image - pixmap has to be sized same as target window */
603	ASImageLayer *layers = create_image_layers (2);
604
605	layers[0].im = background;
606	layers[0].clip_width = target_width;
607	layers[0].clip_height = target_height;
608	layers[0].tint = background_tint;
609	layers[1].im = result;
610
611	if (h_scale == 0 || v_scale == 0)
612	{
613	/* tile horizontally */
614	while (x > 0) x -= (int)result->width;
615	layers[1].dst_x = x;
616	layers[1].clip_width = result->width+target_width;
617	}
618	else
619	{
620	/* clip horizontally */
621	layers[1].dst_x = x;
622	layers[1].clip_width = result->width;
623	}
624
625	if (h_scale == 0 || v_scale == 0)
626	{
627	while (y > 0) y -= (int)result->height;
628	layers[1].dst_y = y;
629	layers[1].clip_height = result->height + target_height;
630	}
631	else
632	{
633	layers[1].dst_y = y;
634	layers[1].clip_height = result->height;
635	}
636
637	if (target->rs[Rs_blendtype])
638	{
639	layers[1].merge_scanlines = blend_scanlines_name2func (target->rs[Rs_blendtype]);
640	if (layers[1].merge_scanlines == NULL)
641	layers[1].merge_scanlines = alphablend_scanlines;
642	}
643
644	ASImage *tmp = merge_layers (target->asv, layers, 2, target_width, target_height,
645	ASA_XImage, 0, ASIMAGE_QUALITY_DEFAULT);
646
647	if (tmp)
648	{
649	if (result != original_asim)
650	destroy_asimage (&result);
651
652	result = tmp;
653	}
654
655	free (layers);
656	}
657	}
658
659	bool ret = false;
660
661	if (result)
662	{
663	XGCValues gcv;
664	GC gc;
665
666	if (pixmap)
667	{
668	if (pmap_width != new_pmap_width
669	|| pmap_height != new_pmap_height
670	|| pmap_depth != target->depth)
671	{
672	XFreePixmap (target->dpy, pixmap);
673	pixmap = None;
674	}
675	}
676
677	/* create Pixmap */
678	if (pixmap == None)
679	{
680	pixmap = XCreatePixmap (target->dpy, target->vt, new_pmap_width, new_pmap_height, target->depth);
681	pmap_width = new_pmap_width;
682	pmap_height = new_pmap_height;
683	pmap_depth = target->depth;
684	}
685	/* fill with background color (if result's not completely overlapping it) */
686	gcv.foreground = target->pix_colors[Color_bg];
687	gc = XCreateGC (target->dpy, target->vt, GCForeground, &gcv);
688
689	int src_x = 0, src_y = 0, dst_x = 0, dst_y = 0;
690	int dst_width = result->width, dst_height = result->height;
691	if (background == NULL)
692	{
693	if (!(h_scale == 0 || v_scale == 0))
694	{
695	src_x = make_clip_rectangle (x, result->width , new_pmap_width , dst_x, dst_width );
696	src_y = make_clip_rectangle (y, result->height, new_pmap_height, dst_y, dst_height);
697	}
698
699	if (dst_x > 0 || dst_y > 0
700	|| dst_x + dst_width < new_pmap_width
701	|| dst_y + dst_height < new_pmap_height)
702	XFillRectangle (target->dpy, pixmap, gc, 0, 0, new_pmap_width, new_pmap_height);
703	}
704
705	/* put result on pixmap */
706	if (dst_x < new_pmap_width && dst_y < new_pmap_height)
707	asimage2drawable (target->asv, pixmap, result, gc, src_x, src_y, dst_x, dst_y, dst_width, dst_height, True);
708
709	if (result != background && result != original_asim)
710	destroy_asimage (&result);
711
712	XFreeGC (target->dpy, gc);
713
714	ret = true;
715	}
716
717	if (background)
718	destroy_asimage (&background);
719
720	return ret;	332	return true;
721	}	333	}
722	# endif /* HAVE_AFTERIMAGE */
723		334
724	# ifdef HAVE_PIXBUF	335	rxvt_image::rxvt_image ()
725	bool
726	bgPixmap_t::render_image (unsigned long background_flags)
727	{	336	{
728	if (target == NULL)	337	alpha = 0xffff;
		338	flags = 0;
		339	h_scale =
		340	v_scale = defaultScale;
		341	h_align =
		342	v_align = defaultAlign;
		343
		344	img = 0;
		345	}
		346
		347	void
		348	rxvt_image::set_file_geometry (rxvt_screen *s, const char *file)
		349	{
		350	if (!file || !*file)
729	return false;	351	return;
730		352
731	if (!pixbuf)
732	return false;
733
734	#if !XFT
735	if (background_flags)
736	return false;
737	#endif
738
739	GdkPixbuf *result;
740
741	int image_width = gdk_pixbuf_get_width (pixbuf);
742	int image_height = gdk_pixbuf_get_height (pixbuf);
743
744	int target_width = target->szHint.width;
745	int target_height = target->szHint.height;
746	int new_pmap_width = target_width;
747	int new_pmap_height = target_height;
748
749	int x = 0;
750	int y = 0;
751	int w = 0;
752	int h = 0;
753
754	get_image_geometry (image_width, image_height, w, h, x, y);
755
756	if (!(flags & rootAlign)
757	&& (x >= target_width
758	|| y >= target_height
759	|| (x + w <= 0)
760	|| (y + h <= 0)))
761	return false;
762
763	result = pixbuf;
764
765	if ((w != image_width)
766	|| (h != image_height))
767	{
768	result = gdk_pixbuf_scale_simple (pixbuf,
769	w, h,
770	GDK_INTERP_BILINEAR);
771	}
772
773	bool ret = false;
774
775	if (result)
776	{
777	XGCValues gcv;
778	GC gc;
779	Pixmap root_pmap;
780
781	image_width = gdk_pixbuf_get_width (result);
782	image_height = gdk_pixbuf_get_height (result);
783
784	if (background_flags)
785	{
786	root_pmap = pixmap;
787	pixmap = None;
788	}
789	else
790	{
791	if (h_scale == 0 || v_scale == 0)
792	{
793	new_pmap_width = min (image_width, target_width);
794	new_pmap_height = min (image_height, target_height);
795	}
796	}
797
798	if (pixmap)
799	{
800	if (pmap_width != new_pmap_width
801	|| pmap_height != new_pmap_height
802	|| pmap_depth != target->depth)
803	{
804	XFreePixmap (target->dpy, pixmap);
805	pixmap = None;
806	}
807	}
808
809	if (pixmap == None)
810	{
811	pixmap = XCreatePixmap (target->dpy, target->vt, new_pmap_width, new_pmap_height, target->depth);
812	pmap_width = new_pmap_width;
813	pmap_height = new_pmap_height;
814	pmap_depth = target->depth;
815	}
816
817	gcv.foreground = target->pix_colors[Color_bg];
818	gc = XCreateGC (target->dpy, target->vt, GCForeground, &gcv);
819
820	if (h_scale == 0 || v_scale == 0)
821	{
822	Pixmap tile = XCreatePixmap (target->dpy, target->vt, image_width, image_height, target->depth);
823	gdk_pixbuf_xlib_render_to_drawable (result, tile, gc,
824	0, 0,
825	0, 0,
826	image_width, image_height,
827	XLIB_RGB_DITHER_NONE,
828	0, 0);
829
830	gcv.tile = tile;
831	gcv.fill_style = FillTiled;
832	gcv.ts_x_origin = x;
833	gcv.ts_y_origin = y;
834	XChangeGC (target->dpy, gc, GCFillStyle | GCTile | GCTileStipXOrigin | GCTileStipYOrigin, &gcv);
835
836	XFillRectangle (target->dpy, pixmap, gc, 0, 0, new_pmap_width, new_pmap_height);
837	XFreePixmap (target->dpy, tile);
838	}
839	else
840	{
841	int src_x, src_y, dst_x, dst_y;
842	int dst_width, dst_height;
843
844	src_x = make_clip_rectangle (x, image_width , new_pmap_width , dst_x, dst_width );
845	src_y = make_clip_rectangle (y, image_height, new_pmap_height, dst_y, dst_height);
846
847	if (dst_x > 0 || dst_y > 0
848	|| dst_x + dst_width < new_pmap_width
849	|| dst_y + dst_height < new_pmap_height)
850	XFillRectangle (target->dpy, pixmap, gc, 0, 0, new_pmap_width, new_pmap_height);
851
852	if (dst_x < new_pmap_width && dst_y < new_pmap_height)
853	gdk_pixbuf_xlib_render_to_drawable (result, pixmap, gc,
854	src_x, src_y,
855	dst_x, dst_y,
856	dst_width, dst_height,
857	XLIB_RGB_DITHER_NONE,
858	0, 0);
859	}
860
861	#if XFT
862	if (background_flags)
863	{
864	Display *dpy = target->dpy;
865	XRenderPictureAttributes pa;
866
867	XRenderPictFormat *src_format = XRenderFindVisualFormat (dpy, DefaultVisual (dpy, target->display->screen));
868	Picture src = XRenderCreatePicture (dpy, root_pmap, src_format, 0, &pa);
869
870	XRenderPictFormat *dst_format = XRenderFindVisualFormat (dpy, target->visual);
871	Picture dst = XRenderCreatePicture (dpy, pixmap, dst_format, 0, &pa);
872
873	pa.repeat = True;
874	Pixmap mask_pmap = XCreatePixmap (dpy, target->vt, 1, 1, 8);
875	XRenderPictFormat *mask_format = XRenderFindStandardFormat (dpy, PictStandardA8);
876	Picture mask = XRenderCreatePicture (dpy, mask_pmap, mask_format, CPRepeat, &pa);
877	XFreePixmap (dpy, mask_pmap);
878
879	if (src && dst && mask)
880	{
881	XRenderColor mask_c;
882
883	mask_c.alpha = 0x8000;
884	mask_c.red = 0;
885	mask_c.green = 0;
886	mask_c.blue = 0;
887	XRenderFillRectangle (dpy, PictOpSrc, mask, &mask_c, 0, 0, 1, 1);
888	XRenderComposite (dpy, PictOpOver, src, mask, dst, 0, 0, 0, 0, 0, 0, target_width, target_height);
889	}
890
891	XRenderFreePicture (dpy, src);
892	XRenderFreePicture (dpy, dst);
893	XRenderFreePicture (dpy, mask);
894
895	XFreePixmap (dpy, root_pmap);
896	}
897	#endif
898
899	if (result != pixbuf)
900	g_object_unref (result);
901
902	XFreeGC (target->dpy, gc);
903
904	ret = true;
905	}
906
907	return ret;
908	}
909	# endif /* HAVE_PIXBUF */
910
911	bool
912	bgPixmap_t::set_file (const char *file)
913	{
914	assert (file);
915
916	if (*file)
917	{
918	if (const char *p = strchr (file, ';'))	353	const char *p = strchr (file, ';');
919	{	354
		355	if (p)
		356	{
920	size_t len = p - file;	357	size_t len = p - file;
921	char *f = rxvt_temp_buf<char> (len + 1);	358	char *f = rxvt_temp_buf<char> (len + 1);
922	memcpy (f, file, len);	359	memcpy (f, file, len);
923	f[len] = '\0';	360	f[len] = '\0';
924	file = f;	361	file = f;
925	}
926
927	# ifdef HAVE_AFTERIMAGE
928	if (!target->asimman)
929	target->asimman = create_generic_imageman (target->rs[Rs_path]);
930	ASImage *image = get_asimage (target->asimman, file, 0xFFFFFFFF, 100);
931	if (image)
932	{
933	if (original_asim)
934	safe_asimage_destroy (original_asim);
935	original_asim = image;
936	have_image = true;
937	return true;
938	}
939	# endif
940
941	# ifdef HAVE_PIXBUF
942	GdkPixbuf *image = gdk_pixbuf_new_from_file (file, NULL);
943	if (image)
944	{
945	if (pixbuf)
946	g_object_unref (pixbuf);
947	pixbuf = image;
948	have_image = true;
949	return true;
950	}
951	# endif
952	}	362	}
953		363
954	return false;	364	set_file (s, file);
		365	alpha = 0x8000;
		366	set_geometry (p ? p + 1 : "");
		367	}
		368
		369	void
		370	rxvt_image::set_file (rxvt_screen *s, const char *file)
		371	{
		372	rxvt_img *img2 = rxvt_img::new_from_file (s, file);
		373	delete img;
		374	img = img2;
955	}	375	}
956		376
957	# endif /* BG_IMAGE_FROM_FILE */	377	# endif /* BG_IMAGE_FROM_FILE */
958		378
959	# ifdef ENABLE_TRANSPARENCY
960	bool	379	bool
961	bgPixmap_t::set_transparent ()
962	{
963	if (!(flags & isTransparent))
964	{
965	flags |= isTransparent;
966	return true;
967	}
968
969	return false;
970	}
971
972	bool
973	bgPixmap_t::set_blur_radius (const char *geom)	380	image_effects::set_blur (const char *geom)
974	{	381	{
975	int changed = 0;	382	bool changed = false;
976	unsigned int hr, vr;	383	unsigned int hr, vr;
977	int junk;	384	int junk;
978	int geom_flags = XParseGeometry (geom, &junk, &junk, &hr, &vr);	385	int geom_flags = XParseGeometry (geom, &junk, &junk, &hr, &vr);
979		386
980	if (!(geom_flags & WidthValue))	387	if (!(geom_flags & WidthValue))
…		…
985	min_it (hr, 128);	392	min_it (hr, 128);
986	min_it (vr, 128);	393	min_it (vr, 128);
987		394
988	if (h_blurRadius != hr)	395	if (h_blurRadius != hr)
989	{	396	{
990	++changed;	397	changed = true;
991	h_blurRadius = hr;	398	h_blurRadius = hr;
992	}	399	}
993		400
994	if (v_blurRadius != vr)	401	if (v_blurRadius != vr)
995	{	402	{
996	++changed;	403	changed = true;
997	v_blurRadius = vr;	404	v_blurRadius = vr;
998	}	405	}
999		406
1000	if (v_blurRadius == 0 && h_blurRadius == 0)
1001	flags &= ~blurNeeded;
1002	else
1003	flags |= blurNeeded;
1004
1005	#if XFT
1006	XFilters *filters = XRenderQueryFilters (target->dpy, target->display->root);
1007	if (filters)
1008	{
1009	for (int i = 0; i < filters->nfilter; i++)
1010	if (!strcmp (filters->filter[i], FilterConvolution))
1011	flags |= bgPixmap_t::blurServerSide;
1012
1013	XFree (filters);
1014	}
1015	#endif
1016
1017	return (changed > 0);	407	return changed;
1018	}	408	}
1019		409
1020	static inline unsigned long
1021	compute_tint_shade_flags (rxvt_color *tint, int shade)
1022	{
1023	unsigned long flags = 0;
1024	rgba c (rgba::MAX_CC,rgba::MAX_CC,rgba::MAX_CC);
1025	bool has_shade = shade != 100;
1026
1027	if (tint)
1028	{
1029	tint->get (c);
1030	# define IS_COMPONENT_WHOLESOME(cmp) ((cmp) <= 0x000700 || (cmp) >= 0x00f700)
1031	if (!has_shade && IS_COMPONENT_WHOLESOME (c.r)
1032	&& IS_COMPONENT_WHOLESOME (c.g)
1033	&& IS_COMPONENT_WHOLESOME (c.b))
1034	flags |= bgPixmap_t::tintWholesome;
1035	# undef IS_COMPONENT_WHOLESOME
1036	}
1037
1038	if (has_shade)
1039	flags |= bgPixmap_t::tintNeeded;
1040	else if (tint)
1041	{
1042	if ((c.r > 0x000700 || c.g > 0x000700 || c.b > 0x000700)
1043	&& (c.r < 0x00f700 || c.g < 0x00f700 || c.b < 0x00f700))
1044	{
1045	flags |= bgPixmap_t::tintNeeded;
1046	}
1047	}
1048
1049	if (flags & bgPixmap_t::tintNeeded)
1050	{
1051	if (flags & bgPixmap_t::tintWholesome)
1052	flags |= bgPixmap_t::tintServerSide;
1053	else
1054	{
1055	#if XFT
1056	flags |= bgPixmap_t::tintServerSide;
1057	#endif
1058	}
1059	}
1060
1061	return flags;
1062	}
1063
1064	bool	410	bool
1065	bgPixmap_t::set_tint (rxvt_color &new_tint)	411	image_effects::set_tint (const rxvt_color &new_tint)
1066	{	412	{
1067	if (!(flags & tintSet) || tint != new_tint)	413	if (!tint_set || tint != new_tint)
1068	{	414	{
1069	unsigned long new_flags = compute_tint_shade_flags (&new_tint, shade);
1070	tint = new_tint;	415	tint = new_tint;
1071	flags = (flags & ~tintFlags) | new_flags | tintSet;	416	tint_set = true;
		417
1072	return true;	418	return true;
1073	}	419	}
1074		420
1075	return false;	421	return false;
1076	}	422	}
1077		423
1078	bool	424	bool
1079	bgPixmap_t::unset_tint ()
1080	{
1081	unsigned long new_flags = compute_tint_shade_flags (NULL, shade);
1082
1083	if (new_flags != (flags & tintFlags))
1084	{
1085	flags = (flags & ~tintFlags) | new_flags;
1086	return true;
1087	}
1088
1089	return false;
1090	}
1091
1092	bool
1093	bgPixmap_t::set_shade (const char *shade_str)	425	image_effects::set_shade (const char *shade_str)
1094	{	426	{
1095	int new_shade = (shade_str) ? atoi (shade_str) : 100;	427	int new_shade = atoi (shade_str);
1096		428
1097	clamp_it (new_shade, -100, 200);	429	clamp_it (new_shade, -100, 200);
1098	if (new_shade < 0)	430	if (new_shade < 0)
1099	new_shade = 200 - (100 + new_shade);	431	new_shade = 200 - (100 + new_shade);
1100		432
1101	if (new_shade != shade)	433	if (new_shade != shade)
1102	{	434	{
1103	unsigned long new_flags = compute_tint_shade_flags ((flags & tintSet) ? &tint : NULL, new_shade);
1104	shade = new_shade;	435	shade = new_shade;
1105	flags = (flags & (~tintFlags | tintSet)) | new_flags;
1106	return true;	436	return true;
1107	}	437	}
1108		438
1109	return false;	439	return false;
1110	}	440	}
1111		441
1112	#if XFT	442	# if ENABLE_TRANSPARENCY
1113	static void	443	/*
1114	get_gaussian_kernel (int radius, int width, double *kernel, XFixed *params)	444	* Builds a pixmap of the same size as the terminal window that contains
1115	{
1116	double sigma = radius / 2.0;
1117	double scale = sqrt (2.0 * M_PI) * sigma;
1118	double sum = 0.0;
1119
1120	for (int i = 0; i < width; i++)
1121	{
1122	double x = i - width / 2;
1123	kernel[i] = exp (-(x * x) / (2.0 * sigma * sigma)) / scale;
1124	sum += kernel[i];
1125	}
1126
1127	params[0] = XDoubleToFixed (width);
1128	params[1] = XDoubleToFixed (1);
1129
1130	for (int i = 0; i < width; i++)
1131	params[i+2] = XDoubleToFixed (kernel[i] / sum);
1132	}
1133	#endif
1134
1135	bool
1136	bgPixmap_t::blur_pixmap (Pixmap pixmap, Visual *visual, int width, int height)
1137	{
1138	bool ret = false;
1139	#if XFT
1140	int size = max (h_blurRadius, v_blurRadius) * 2 + 1;
1141	double *kernel = (double *)malloc (size * sizeof (double));
1142	XFixed *params = (XFixed *)malloc ((size + 2) * sizeof (XFixed));
1143
1144	Display *dpy = target->dpy;
1145	XRenderPictureAttributes pa;
1146	XRenderPictFormat *format = XRenderFindVisualFormat (dpy, visual);
1147
1148	Picture src = XRenderCreatePicture (dpy, pixmap, format, 0, &pa);
1149	Picture dst = XRenderCreatePicture (dpy, pixmap, format, 0, &pa);
1150
1151	if (kernel && params && src && dst)
1152	{
1153	if (h_blurRadius)
1154	{
1155	size = h_blurRadius * 2 + 1;
1156	get_gaussian_kernel (h_blurRadius, size, kernel, params);
1157
1158	XRenderSetPictureFilter (dpy, src, FilterConvolution, params, size+2);
1159	XRenderComposite (dpy,
1160	PictOpSrc,
1161	src,
1162	None,
1163	dst,
1164	0, 0,
1165	0, 0,
1166	0, 0,
1167	width, height);
1168	}
1169
1170	if (v_blurRadius)
1171	{
1172	size = v_blurRadius * 2 + 1;
1173	get_gaussian_kernel (v_blurRadius, size, kernel, params);
1174	swap (params[0], params[1]);
1175
1176	XRenderSetPictureFilter (dpy, src, FilterConvolution, params, size+2);
1177	XRenderComposite (dpy,
1178	PictOpSrc,
1179	src,
1180	None,
1181	dst,
1182	0, 0,
1183	0, 0,
1184	0, 0,
1185	width, height);
1186	}
1187
1188	ret = true;
1189	}
1190
1191	free (kernel);
1192	free (params);
1193	XRenderFreePicture (dpy, src);
1194	XRenderFreePicture (dpy, dst);
1195	#endif
1196	return ret;
1197	}
1198
1199	bool
1200	bgPixmap_t::tint_pixmap (Pixmap pixmap, Visual *visual, int width, int height)
1201	{
1202	Display *dpy = target->dpy;
1203	bool ret = false;
1204
1205	if (flags & tintWholesome)
1206	{
1207	XGCValues gcv;
1208	GC gc;
1209
1210	/* In this case we can tint image server-side getting significant
1211	* performance improvements, as we eliminate XImage transfer
1212	*/
1213	gcv.foreground = Pixel (tint);
1214	gcv.function = GXand;
1215	gcv.fill_style = FillSolid;
1216	gc = XCreateGC (dpy, pixmap, GCFillStyle | GCForeground | GCFunction, &gcv);
1217	if (gc)
1218	{
1219	XFillRectangle (dpy, pixmap, gc, 0, 0, width, height);
1220	ret = true;
1221	XFreeGC (dpy, gc);
1222	}
1223	}
1224	else
1225	{
1226	# if XFT
1227	rgba c (rgba::MAX_CC,rgba::MAX_CC,rgba::MAX_CC);
1228
1229	if (flags & tintSet)
1230	tint.get (c);
1231
1232	if (shade <= 100)
1233	{
1234	c.r = (c.r * shade) / 100;
1235	c.g = (c.g * shade) / 100;
1236	c.b = (c.b * shade) / 100;
1237	}
1238	else
1239	{
1240	c.r = ((0xffff - c.r) * (200 - shade)) / 100;
1241	c.g = ((0xffff - c.g) * (200 - shade)) / 100;
1242	c.b = ((0xffff - c.b) * (200 - shade)) / 100;
1243	}
1244
1245	XRenderPictFormat *solid_format = XRenderFindStandardFormat (dpy, PictStandardARGB32);
1246	XRenderPictFormat *format = XRenderFindVisualFormat (dpy, visual);
1247	XRenderPictureAttributes pa;
1248
1249	Picture back_pic = XRenderCreatePicture (dpy, pixmap, format, 0, &pa);
1250
1251	pa.repeat = True;
1252
1253	Pixmap overlay_pmap = XCreatePixmap (dpy, pixmap, 1, 1, 32);
1254	Picture overlay_pic = XRenderCreatePicture (dpy, overlay_pmap, solid_format, CPRepeat, &pa);
1255	XFreePixmap (dpy, overlay_pmap);
1256
1257	pa.component_alpha = True;
1258	Pixmap mask_pmap = XCreatePixmap (dpy, pixmap, 1, 1, 32);
1259	Picture mask_pic = XRenderCreatePicture (dpy, mask_pmap, solid_format, CPRepeat|CPComponentAlpha, &pa);
1260	XFreePixmap (dpy, mask_pmap);
1261
1262	if (mask_pic && overlay_pic && back_pic)
1263	{
1264	XRenderColor mask_c;
1265
1266	memset (&mask_c, (shade > 100) ? 0xFF : 0x0, sizeof (mask_c));
1267	mask_c.alpha = 0xffff;
1268	XRenderFillRectangle (dpy, PictOpSrc, overlay_pic, &mask_c, 0, 0, 1, 1);
1269
1270	mask_c.alpha = 0;
1271	mask_c.red = 0xffff - c.r;
1272	mask_c.green = 0xffff - c.g;
1273	mask_c.blue = 0xffff - c.b;
1274	XRenderFillRectangle (dpy, PictOpSrc, mask_pic, &mask_c, 0, 0, 1, 1);
1275	XRenderComposite (dpy, PictOpOver, overlay_pic, mask_pic, back_pic, 0, 0, 0, 0, 0, 0, width, height);
1276	ret = true;
1277	}
1278
1279	XRenderFreePicture (dpy, mask_pic);
1280	XRenderFreePicture (dpy, overlay_pic);
1281	XRenderFreePicture (dpy, back_pic);
1282	# endif
1283	}
1284
1285	return ret;
1286	}
1287
1288	/* make_transparency_pixmap()
1289	* Builds a pixmap sized the same as terminal window, with depth same as the root window
1290	* that pixmap contains tiled portion of the root pixmap that is supposed to be covered by	445	* the tiled portion of the root pixmap that is supposed to be covered by
1291	* our window.	446	* our window.
1292	*/	447	*/
1293	unsigned long	448	bool
1294	bgPixmap_t::make_transparency_pixmap ()	449	rxvt_term::render_root_image ()
1295	{	450	{
1296	unsigned long result = 0;
1297
1298	if (target == NULL)
1299	return 0;
1300
1301	/* root dimensions may change from call to call - but Display structure should	451	/* root dimensions may change from call to call - but Display structure should
1302	* be always up-to-date, so let's use it :	452	* be always up-to-date, so let's use it :
1303	*/	453	*/
1304	Window root = target->display->root;
1305	int screen = target->display->screen;	454	int screen = display->screen;
1306	Display *dpy = target->dpy;
1307	int root_width = DisplayWidth (dpy, screen);	455	int root_width = DisplayWidth (dpy, screen);
1308	int root_height = DisplayHeight (dpy, screen);	456	int root_height = DisplayHeight (dpy, screen);
1309	unsigned int root_pmap_width, root_pmap_height;
1310	int window_width = target->szHint.width;	457	int parent_width = szHint.width;
1311	int window_height = target->szHint.height;	458	int parent_height = szHint.height;
1312	int sx, sy;	459	int sx, sy;
1313	XGCValues gcv;
1314	GC gc;
1315		460
1316	target->get_window_origin (sx, sy);	461	sx = parent_x;
		462	sy = parent_y;
		463
		464	if (!root_img)
		465	return false;
1317		466
1318	/* check if we are outside of the visible part of the virtual screen : */	467	/* check if we are outside of the visible part of the virtual screen : */
1319	if (sx + window_width <= 0 || sy + window_height <= 0	468	if (sx + parent_width <= 0 || sy + parent_height <= 0
1320	|| sx >= root_width || sy >= root_height)	469	|| sx >= root_width || sy >= root_height)
1321	return 0;	470	return 0;
1322		471
1323	if (root_pixmap != None)
1324	{
1325	/* we want to validate the pixmap and get its size at the same time : */
1326	int junk;
1327	unsigned int ujunk;
1328	/* root pixmap may be bad - allow a error */
1329	target->allowedxerror = -1;
1330
1331	if (!XGetGeometry (dpy, root_pixmap, &root, &junk, &junk, &root_pmap_width, &root_pmap_height, &ujunk, &ujunk))
1332	root_pixmap = None;
1333
1334	target->allowedxerror = 0;
1335	}
1336
1337	if (root_pixmap == None)
1338	return 0;
1339
1340	Pixmap tiled_root_pmap = XCreatePixmap (dpy, root, window_width, window_height, root_depth);
1341
1342	if (tiled_root_pmap == None) /* something really bad happened - abort */
1343	return 0;
1344
1345	/* straightforward pixmap copy */
1346	gcv.tile = root_pixmap;
1347	gcv.fill_style = FillTiled;
1348
1349	while (sx < 0) sx += (int)root_width;	472	while (sx < 0) sx += root_img->w;
1350	while (sy < 0) sy += (int)root_height;	473	while (sy < 0) sy += root_img->h;
1351		474
1352	gcv.ts_x_origin = -sx;	475	rxvt_img *img = root_img->sub_rect (sx, sy, parent_width, parent_height);
1353	gcv.ts_y_origin = -sy;
1354	gc = XCreateGC (dpy, root, GCFillStyle | GCTile | GCTileStipXOrigin | GCTileStipYOrigin, &gcv);
1355		476
1356	if (gc)	477	if (root_effects.need_blur ())
1357	{	478	img->blur (root_effects.h_blurRadius, root_effects.v_blurRadius)->replace (img);
1358	XFillRectangle (dpy, tiled_root_pmap, gc, 0, 0, window_width, window_height);
1359	result |= transpPmapTiled;
1360	XFreeGC (dpy, gc);
1361	}
1362		479
1363	if (tiled_root_pmap != None)	480	if (root_effects.need_tint ())
1364	{	481	tint_image (img, root_effects.tint, root_effects.tint_set, root_effects.shade);
1365	if (!need_client_side_rendering ())
1366	{
1367	if (flags & (blurNeeded | blurServerSide))
1368	{
1369	if (blur_pixmap (tiled_root_pmap, DefaultVisual (dpy, screen), window_width, window_height))
1370	result |= transpPmapBlurred;
1371	}
1372	if (flags & (tintNeeded | tintServerSide))
1373	{
1374	if (tint_pixmap (tiled_root_pmap, DefaultVisual (dpy, screen), window_width, window_height))
1375	result |= transpPmapTinted;
1376	}
1377	} /* server side rendering completed */
1378		482
1379	if (pixmap)	483	XRenderPictFormat *format = XRenderFindVisualFormat (dpy, visual);
1380	XFreePixmap (dpy, pixmap);	484	img->convert_format (format, pix_colors [Color_bg])->replace (img);
1381		485
1382	pixmap = tiled_root_pmap;	486	delete bg_img;
1383	pmap_width = window_width;	487	bg_img = img;
1384	pmap_height = window_height;
1385	pmap_depth = root_depth;
1386	}
1387		488
1388	return result;	489	return true;
1389	}	490	}
1390		491
1391	void	492	void
1392	bgPixmap_t::set_root_pixmap ()	493	rxvt_term::bg_set_root_pixmap ()
1393	{	494	{
1394	Pixmap new_root_pixmap = target->get_pixmap_property (XA_XROOTPMAP_ID);	495	delete root_img;
1395	if (new_root_pixmap == None)	496	root_img = rxvt_img::new_from_root (this);
1396	new_root_pixmap = target->get_pixmap_property (XA_ESETROOT_PMAP_ID);
1397
1398	root_pixmap = new_root_pixmap;
1399	}	497	}
1400	# endif /* ENABLE_TRANSPARENCY */	498	# endif /* ENABLE_TRANSPARENCY */
1401		499
1402	# ifndef HAVE_AFTERIMAGE	500	void
1403	static void ShadeXImage(Visual *visual, XImage *srcImage, int shade, int rm, int gm, int bm);	501	rxvt_term::bg_render ()
1404	# endif
1405
1406	bool
1407	bgPixmap_t::render ()
1408	{	502	{
1409	unsigned long background_flags = 0;	503	if (bg_flags & BG_INHIBIT_RENDER)
1410
1411	if (target == NULL)
1412	return false;	504	return;
1413		505
1414	invalidate ();	506	bg_invalidate ();
1415	# ifdef ENABLE_TRANSPARENCY	507	# if ENABLE_TRANSPARENCY
1416	if (flags & isTransparent)	508	if (bg_flags & BG_IS_TRANSPARENT)
1417	{	509	{
1418	/* we need to re-generate transparency pixmap in that case ! */	510	/* we need to re-generate transparency pixmap in that case ! */
1419	background_flags = make_transparency_pixmap ();	511	if (render_root_image ())
1420	if (background_flags == 0)	512	bg_flags |= BG_IS_VALID;
1421	return false;
1422	else if ((background_flags & transpTransformations) == (flags & transpTransformations)
1423	&& pmap_depth == target->depth)
1424	flags = flags & ~isInvalid;
1425	}	513	}
1426	# endif	514	# endif
1427		515
1428	# ifdef BG_IMAGE_FROM_FILE	516	# if BG_IMAGE_FROM_FILE
1429	if (have_image	517	if (fimage.img)
1430	|| (background_flags & transpTransformations) != (flags & transpTransformations))
1431	{
1432	if (render_image (background_flags))
1433	flags = flags & ~isInvalid;
1434	}	518	{
1435	# endif	519	if (render_image (fimage))
1436		520	bg_flags |= BG_IS_VALID;
1437	XImage *result = NULL;
1438
1439	if (background_flags && (flags & isInvalid))
1440	{	521	}
1441	result = XGetImage (target->dpy, pixmap, 0, 0, pmap_width, pmap_height, AllPlanes, ZPixmap);
1442	}
1443
1444	if (result)
1445	{
1446	# if !defined(HAVE_AFTERIMAGE) && !XFT
1447	/* our own client-side tinting */
1448	/* ATTENTION: We ASSUME that XFT will let us do all the tinting necessary server-side.
1449	This may need to be changed in need_client_side_rendering() logic is altered !!! */
1450	if (!(background_flags & transpPmapTinted) && (flags & tintNeeded))
1451	{
1452	rgba c (rgba::MAX_CC,rgba::MAX_CC,rgba::MAX_CC);
1453	if (flags & tintSet)
1454	tint.get (c);
1455	ShadeXImage (DefaultVisual (target->dpy, target->display->screen), result, shade, c.r, c.g, c.b);
1456	}
1457	# endif	522	# endif
1458		523
1459	GC gc = XCreateGC (target->dpy, target->vt, 0UL, NULL);	524	if (!(bg_flags & BG_IS_VALID))
1460
1461	if (gc)
1462	{
1463	if (/*pmap_depth != target->depth &&*/ pixmap != None)
1464	{
1465	XFreePixmap (target->dpy, pixmap);
1466	pixmap = None;
1467	}
1468
1469	if (pixmap == None)
1470	{
1471	pixmap = XCreatePixmap (target->dpy, target->vt, result->width, result->height, target->depth);
1472	pmap_width = result->width;
1473	pmap_height = result->height;
1474	pmap_depth = target->depth;
1475	}
1476
1477	if (pmap_depth != result->depth)
1478	{
1479	/* Bad Match error will ensue ! stupid X !!!! */
1480	if (result->depth == 24 && pmap_depth == 32)
1481	result->depth = 32;
1482	else if (result->depth == 32 && pmap_depth == 24)
1483	result->depth = 24;
1484	else
1485	{
1486	/* TODO: implement image recoding */
1487	}
1488	}
1489
1490	if (pmap_depth == result->depth)
1491	XPutImage (target->dpy, pixmap, gc, result, 0, 0, 0, 0, result->width, result->height);
1492
1493	XFreeGC (target->dpy, gc);
1494	flags = flags & ~isInvalid;
1495	}
1496
1497	XDestroyImage (result);
1498	}	525	{
1499		526	delete bg_img;
1500	if (flags & isInvalid)	527	bg_img = 0;
1501	{	528	}
1502	if (pixmap != None)
1503	{
1504	XFreePixmap (target->dpy, pixmap);
1505	pixmap = None;
1506	}
1507	}
1508		529
1509	apply ();	530	scr_recolour (false);
		531	bg_flags |= BG_NEEDS_REFRESH;
1510		532
1511	valid_since = ev::now ();	533	bg_valid_since = ev::now ();
1512
1513	return true;
1514	}	534	}
1515		535
1516	bool	536	void
1517	bgPixmap_t::set_target (rxvt_term *new_target)	537	rxvt_term::bg_init ()
1518	{	538	{
1519	if (new_target)
1520	if (target != new_target)
1521	{
1522	target = new_target;
1523	# ifdef ENABLE_TRANSPARENCY	539	#if ENABLE_TRANSPARENCY
1524	root_depth = DefaultDepthOfScreen (ScreenOfDisplay (target->dpy, target->display->screen));	540	if (option (Opt_transparent))
		541	{
		542	bg_set_transparent ();
		543
		544	if (rs [Rs_blurradius])
		545	root_effects.set_blur (rs [Rs_blurradius]);
		546
		547	if (ISSET_PIXCOLOR (Color_tint))
		548	root_effects.set_tint (pix_colors_focused [Color_tint]);
		549
		550	if (rs [Rs_shade])
		551	root_effects.set_shade (rs [Rs_shade]);
		552
		553	bg_set_root_pixmap ();
		554	XSelectInput (dpy, display->root, PropertyChangeMask);
		555	rootwin_ev.start (display, display->root);
		556	}
1525	# endif	557	#endif
1526	return true;	558
		559	#if BG_IMAGE_FROM_FILE
		560	if (rs[Rs_backgroundPixmap])
		561	{
		562	fimage.set_file_geometry (this, rs[Rs_backgroundPixmap]);
		563	if (!bg_window_position_sensitive ())
		564	update_background ();
1527	}	565	}
1528
1529	return false;
1530	}
1531
1532	void
1533	bgPixmap_t::apply ()
1534	{
1535	if (target)
1536	{
1537	if (pixmap != None)
1538	{
1539	/* set target's background to pixmap */
1540	# ifdef ENABLE_TRANSPARENCY
1541	if (flags & isTransparent)
1542	{
1543	XSetWindowBackgroundPixmap (target->dpy, target->parent[0], pixmap);
1544	XSetWindowBackgroundPixmap (target->dpy, target->vt, ParentRelative);
1545
1546	if (target->scrollBar.win)
1547	XSetWindowBackgroundPixmap (target->dpy, target->scrollBar.win, ParentRelative);
1548	}
1549	else
1550	# endif	566	#endif
1551	{	567	}
1552	/* force old pixmap dereference in case it was transparent before :*/
1553	XSetWindowBackground (target->dpy, target->parent[0], target->pix_colors[Color_border]);
1554	XSetWindowBackgroundPixmap (target->dpy, target->vt, pixmap);
1555	/* do we also need to set scrollbar's background here ? */
1556		568
1557	if (target->scrollBar.win)	569	void
1558	XSetWindowBackground (target->dpy, target->scrollBar.win, target->pix_colors[Color_border]);	570	rxvt_term::tint_image (rxvt_img *img, rxvt_color &tint, bool tint_set, int shade)
1559	}	571	{
1560	}	572	rgba c (rgba::MAX_CC, rgba::MAX_CC, rgba::MAX_CC);
		573
		574	if (tint_set)
		575	tint.get (c);
		576
		577	if (shade > 100)
		578	{
		579	c.r = c.r * (200 - shade) / 100;
		580	c.g = c.g * (200 - shade) / 100;
		581	c.b = c.b * (200 - shade) / 100;
		582	}
1561	else	583	else
1562	{	584	{
1563	/* set target background to a pixel */	585	c.r = c.r * shade / 100;
1564	XSetWindowBackground (target->dpy, target->parent[0], target->pix_colors[Color_border]);	586	c.g = c.g * shade / 100;
1565	XSetWindowBackground (target->dpy, target->vt, target->pix_colors[Color_bg]);	587	c.b = c.b * shade / 100;
1566	/* do we also need to set scrollbar's background here ? */	588	}
1567	if (target->scrollBar.win)
1568	XSetWindowBackground (target->dpy, target->scrollBar.win, target->pix_colors[Color_border]);
1569	}
1570		589
1571	/* don't want Expose on the parent or vt. It is better to use	590	img->contrast (c.r, c.g, c.b, c.a);
1572	scr_touch or we get a great deal of flicker otherwise: */
1573	XClearWindow (target->dpy, target->parent[0]);
1574		591
1575	if (target->scrollBar.state && target->scrollBar.win)	592	if (shade > 100)
1576	{	593	{
1577	target->scrollBar.state = STATE_IDLE;	594	c.a = 0xffff;
1578	target->scrollBar.show (0);	595	c.r =
1579	}	596	c.g =
1580		597	c.b = 0xffff * (shade - 100) / 100;
1581	target->want_refresh = 1;	598	img->brightness (c.r, c.g, c.b, c.a);
1582	flags |= hasChanged;
1583	}	599	}
1584	}	600	}
1585		601
1586	#endif /* HAVE_BG_PIXMAP */	602	#endif /* HAVE_BG_PIXMAP */
1587
1588	#if defined(ENABLE_TRANSPARENCY) && !defined(HAVE_AFTERIMAGE) && !XFT
1589	/* taken from aterm-0.4.2 */
1590
1591	static void
1592	ShadeXImage(Visual *visual, XImage *srcImage, int shade, int rm, int gm, int bm)
1593	{
1594	int sh_r, sh_g, sh_b;
1595	uint32_t mask_r, mask_g, mask_b;
1596	uint32_t *lookup, *lookup_r, *lookup_g, *lookup_b;
1597	unsigned int lower_lim_r, lower_lim_g, lower_lim_b;
1598	unsigned int upper_lim_r, upper_lim_g, upper_lim_b;
1599	int i;
1600	int host_byte_order = byteorder.big_endian () ? MSBFirst : LSBFirst;
1601
1602	if (visual->c_class != TrueColor || srcImage->format != ZPixmap) return;
1603
1604	/* for convenience */
1605	mask_r = visual->red_mask;
1606	mask_g = visual->green_mask;
1607	mask_b = visual->blue_mask;
1608
1609	/* boring lookup table pre-initialization */
1610	switch (srcImage->depth)
1611	{
1612	case 15:
1613	if ((mask_r != 0x7c00) ||
1614	(mask_g != 0x03e0) ||
1615	(mask_b != 0x001f))
1616	return;
1617	lookup = (uint32_t *) malloc (sizeof (uint32_t)*(32+32+32));
1618	lookup_r = lookup;
1619	lookup_g = lookup+32;
1620	lookup_b = lookup+32+32;
1621	sh_r = 10;
1622	sh_g = 5;
1623	sh_b = 0;
1624	break;
1625	case 16:
1626	if ((mask_r != 0xf800) ||
1627	(mask_g != 0x07e0) ||
1628	(mask_b != 0x001f))
1629	return;
1630	lookup = (uint32_t *) malloc (sizeof (uint32_t)*(32+64+32));
1631	lookup_r = lookup;
1632	lookup_g = lookup+32;
1633	lookup_b = lookup+32+64;
1634	sh_r = 11;
1635	sh_g = 5;
1636	sh_b = 0;
1637	break;
1638	case 24:
1639	if ((mask_r != 0xff0000) ||
1640	(mask_g != 0x00ff00) ||
1641	(mask_b != 0x0000ff))
1642	return;
1643	lookup = (uint32_t *) malloc (sizeof (uint32_t)*(256+256+256));
1644	lookup_r = lookup;
1645	lookup_g = lookup+256;
1646	lookup_b = lookup+256+256;
1647	sh_r = 16;
1648	sh_g = 8;
1649	sh_b = 0;
1650	break;
1651	case 32:
1652	if ((mask_r != 0xff0000) ||
1653	(mask_g != 0x00ff00) ||
1654	(mask_b != 0x0000ff))
1655	return;
1656	lookup = (uint32_t *) malloc (sizeof (uint32_t)*(256+256+256));
1657	lookup_r = lookup;
1658	lookup_g = lookup+256;
1659	lookup_b = lookup+256+256;
1660	sh_r = 16;
1661	sh_g = 8;
1662	sh_b = 0;
1663	break;
1664	default:
1665	return; /* we do not support this color depth */
1666	}
1667
1668	/* prepare limits for color transformation (each channel is handled separately) */
1669	if (shade > 100)
1670	{
1671	shade = 200 - shade;
1672
1673	lower_lim_r = 65535-rm;
1674	lower_lim_g = 65535-gm;
1675	lower_lim_b = 65535-bm;
1676
1677	lower_lim_r = 65535-(unsigned int)(((uint32_t)lower_lim_r)*((uint32_t)shade)/100);
1678	lower_lim_g = 65535-(unsigned int)(((uint32_t)lower_lim_g)*((uint32_t)shade)/100);
1679	lower_lim_b = 65535-(unsigned int)(((uint32_t)lower_lim_b)*((uint32_t)shade)/100);
1680
1681	upper_lim_r = upper_lim_g = upper_lim_b = 65535;
1682	}
1683	else
1684	{
1685
1686	lower_lim_r = lower_lim_g = lower_lim_b = 0;
1687
1688	upper_lim_r = (unsigned int)((((uint32_t)rm)*((uint32_t)shade))/100);
1689	upper_lim_g = (unsigned int)((((uint32_t)gm)*((uint32_t)shade))/100);
1690	upper_lim_b = (unsigned int)((((uint32_t)bm)*((uint32_t)shade))/100);
1691	}
1692
1693	/* fill our lookup tables */
1694	for (i = 0; i <= mask_r>>sh_r; i++)
1695	{
1696	uint32_t tmp;
1697	tmp = ((uint32_t)i)*((uint32_t)(upper_lim_r-lower_lim_r));
1698	tmp += ((uint32_t)(mask_r>>sh_r))*((uint32_t)lower_lim_r);
1699	lookup_r[i] = (tmp/65535)<<sh_r;
1700	}
1701	for (i = 0; i <= mask_g>>sh_g; i++)
1702	{
1703	uint32_t tmp;
1704	tmp = ((uint32_t)i)*((uint32_t)(upper_lim_g-lower_lim_g));
1705	tmp += ((uint32_t)(mask_g>>sh_g))*((uint32_t)lower_lim_g);
1706	lookup_g[i] = (tmp/65535)<<sh_g;
1707	}
1708	for (i = 0; i <= mask_b>>sh_b; i++)
1709	{
1710	uint32_t tmp;
1711	tmp = ((uint32_t)i)*((uint32_t)(upper_lim_b-lower_lim_b));
1712	tmp += ((uint32_t)(mask_b>>sh_b))*((uint32_t)lower_lim_b);
1713	lookup_b[i] = (tmp/65535)<<sh_b;
1714	}
1715
1716	/* apply table to input image (replacing colors by newly calculated ones) */
1717	if (srcImage->bits_per_pixel == 32
1718	&& (srcImage->depth == 24 || srcImage->depth == 32)
1719	&& srcImage->byte_order == host_byte_order)
1720	{
1721	uint32_t *p1, *pf, *p, *pl;
1722	p1 = (uint32_t *) srcImage->data;
1723	pf = (uint32_t *) (srcImage->data + srcImage->height * srcImage->bytes_per_line);
1724
1725	while (p1 < pf)
1726	{
1727	p = p1;
1728	pl = p1 + srcImage->width;
1729	for (; p < pl; p++)
1730	{
1731	*p = lookup_r[(*p & 0xff0000) >> 16] |
1732	lookup_g[(*p & 0x00ff00) >> 8] |
1733	lookup_b[(*p & 0x0000ff)] |
1734	(*p & 0xff000000);
1735	}
1736	p1 = (uint32_t *) ((char *) p1 + srcImage->bytes_per_line);
1737	}
1738	}
1739	else
1740	{
1741	for (int y = 0; y < srcImage->height; y++)
1742	for (int x = 0; x < srcImage->width; x++)
1743	{
1744	unsigned long pixel = XGetPixel (srcImage, x, y);
1745	pixel = lookup_r[(pixel & mask_r) >> sh_r] |
1746	lookup_g[(pixel & mask_g) >> sh_g] |
1747	lookup_b[(pixel & mask_b) >> sh_b];
1748	XPutPixel (srcImage, x, y, pixel);
1749	}
1750	}
1751
1752	free (lookup);
1753	}
1754	#endif /* defined(ENABLE_TRANSPARENCY) && !defined(HAVE_AFTERIMAGE) */

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