[ViewVC] Diff of: cvs/rxvt-unicode/src/background.C

Comparing rxvt-unicode/src/background.C (file contents):
Revision 1.62 by sf-exg, Sun Oct 3 21:44:13 2010 UTC vs.
Revision 1.218 by sf-exg, Mon May 21 12:29:22 2012 UTC

…		…
1	/----------------------------------------------------------------------	1	/----------------------------------------------------------------------
2	* File: background.C - former xpm.C	2	* File: background.C - former xpm.C
3	----------------------------------------------------------------------	3	----------------------------------------------------------------------
4	*	4	*
5	* All portions of code are copyright by their respective author/s.	5	* All portions of code are copyright by their respective author/s.
6	* Copyright (c) 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) 2010-2012 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 <math.h>
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
28		30	# include <X11/extensions/Xrender.h>
29	#if DO_TIMING_TEST
30	# include <sys/time.h>
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	31	#endif
48		32
49	/*	33	#ifndef FilterConvolution
50	* Pixmap geometry string interpretation :	34	#define FilterConvolution "convolution"
51	* Each geometry string contains zero or one scale/position	35	#endif
52	* adjustment and may optionally be followed by a colon and one or more	36
53	* colon-delimited pixmap operations.	37	#ifndef RepeatPad
54	* The following table shows the valid geometry strings and their	38	#define RepeatPad True
55	* effects on the background image :	39	#endif
56	*
57	* 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.
59	* X and Y are also percentages; e.g., +50+50 centers
60	* 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	*
80	* 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	*/
92		40
93	#ifdef HAVE_BG_PIXMAP	41	#ifdef HAVE_BG_PIXMAP
94	bgPixmap_t::bgPixmap_t ()	42	# if XRENDER
		43	static Picture
		44	create_xrender_mask (Display *dpy, Drawable drawable, Bool argb, Bool component_alpha)
95	{	45	{
96	// this is basically redundant as bgPixmap_t is only used in	46	Pixmap pixmap = XCreatePixmap (dpy, drawable, 1, 1, argb ? 32 : 8);
97	// zero_initialised-derived structs	47
98	#ifdef HAVE_AFTERIMAGE	48	XRenderPictFormat *format = XRenderFindStandardFormat (dpy, argb ? PictStandardARGB32 : PictStandardA8);
99	original_asim = NULL;	49	XRenderPictureAttributes pa;
		50	pa.repeat = True;
		51	pa.component_alpha = component_alpha;
		52	Picture mask = XRenderCreatePicture (dpy, pixmap, format, CPRepeat \| CPComponentAlpha, &pa);
		53
		54	XFreePixmap (dpy, pixmap);
		55
		56	return mask;
		57	}
100	#endif	58	# 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		59
115	void	60	void
116	bgPixmap_t::destroy ()	61	rxvt_term::bg_destroy ()
117	{	62	{
118	#ifdef HAVE_AFTERIMAGE	63	if (bg_pixmap)
119	if (original_asim)
120	safe_asimage_destroy (original_asim);
121	#endif
122
123	#ifdef HAVE_PIXBUF
124	if (pixbuf)
125	g_object_unref (pixbuf);
126	#endif
127
128	if (pixmap && target)
129	XFreePixmap (target->dpy, pixmap);	64	XFreePixmap (dpy, bg_pixmap);
130	}	65	}
131		66
132	bool	67	bool
133	bgPixmap_t::window_size_sensitive ()	68	rxvt_term::bg_set_position (int x, int y)
		69	{
		70
		71	if (target_x != x
		72	\|\| target_y != y)
		73	{
		74	target_x = x;
		75	target_y = y;
		76	return true;
		77	}
		78	return false;
		79	}
		80
		81	bool
		82	rxvt_term::bg_window_size_sensitive ()
134	{	83	{
135	# ifdef ENABLE_TRANSPARENCY	84	# ifdef ENABLE_TRANSPARENCY
136	if (flags & isTransparent)	85	if (bg_flags & BG_IS_TRANSPARENT)
137	return true;	86	return true;
138	# endif	87	# endif
139		88
140	# ifdef BG_IMAGE_FROM_FILE	89	# ifdef BG_IMAGE_FROM_FILE
141	if (have_image)	90	if (bg_image.flags & IM_IS_SET)
142	{	91	{
143	if (flags & sizeSensitive)	92	if ((bg_image.flags & IM_IS_SIZE_SENSITIVE)
		93	\|\| bg_image.width () > szHint.width
		94	\|\| bg_image.height () > szHint.height)
144	return true;	95	return true;
145	}	96	}
146	# endif	97	# endif
147		98
148	return false;	99	return false;
149	}	100	}
150		101
151	bool	102	bool
152	bgPixmap_t::window_position_sensitive ()	103	rxvt_term::bg_window_position_sensitive ()
153	{	104	{
154	# ifdef ENABLE_TRANSPARENCY	105	# ifdef ENABLE_TRANSPARENCY
155	if (flags & isTransparent)	106	if (bg_flags & BG_IS_TRANSPARENT)
156	return true;	107	return true;
157	# endif	108	# endif
158		109
159	# ifdef BG_IMAGE_FROM_FILE	110	# ifdef BG_IMAGE_FROM_FILE
160	if (have_image)	111	if (bg_image.flags & IM_IS_SET)
161	{	112	{
162	if (h_align == rootAlign \|\| v_align == rootAlign)	113	if (bg_image.flags & IM_ROOT_ALIGN)
163	return true;	114	return true;
164	}	115	}
165	# endif	116	# endif
166		117
167	return false;	118	return false;
168	};
169
170	bool bgPixmap_t::need_client_side_rendering ()
171	{
172	# ifdef HAVE_AFTERIMAGE
173	if (original_asim)
174	return true;
175	# endif
176	# ifdef ENABLE_TRANSPARENCY
177	if (flags & isTransparent)
178	{
179	# ifdef HAVE_AFTERIMAGE // can't blur without libAI anyways
180	if ((flags & blurNeeded) && !(flags & blurServerSide))
181	return true;
182	# endif
183	if ((flags & tintNeeded) && !(flags & tintServerSide))
184	return true;
185	}
186	# endif
187	return false;
188	}	119	}
189		120
190	# ifdef BG_IMAGE_FROM_FILE	121	# ifdef BG_IMAGE_FROM_FILE
191	static inline bool
192	check_set_scale_value (int geom_flags, int flag, unsigned int &scale, unsigned int new_value)
193	{
194	if (geom_flags & flag)
195	{
196	if (new_value > 1000)
197	new_value = 1000;
198	if (new_value != scale)
199	{
200	scale = new_value;
201	return true;
202	}
203	}
204	return false;
205	}
206
207	static inline bool
208	check_set_align_value (int geom_flags, int flag, int &align, int new_value)
209	{
210	if (geom_flags & flag)
211	{
212	if (new_value != bgPixmap_t::rootAlign)
213	{
214	if (new_value < -100)
215	new_value = -100;
216	else if (new_value > 200)
217	new_value = 200;
218	}
219	if (new_value != align)
220	{
221	align = new_value;
222	return true;
223	}
224	}
225	return false;
226	}
227
228	static inline int	122	static inline int
229	make_align_position (int align, int window_size, int image_size)	123	make_align_position (int align, int window_size, int image_size)
230	{	124	{
231	int diff = window_size - image_size;
232	int smaller = min (image_size, window_size);
233
234	if (align >= 0 && align <= 50)	125	if (align >= 0 && align <= 100)
235	return diff * align / 100;	126	return lerp (0, window_size - image_size, align);
236	else if (align > 50 && align <= 100)
237	return window_size - image_size - diff * (100 - align) / 100;
238	else if (align > 100 && align <= 200 )
239	return ((align - 100) * smaller / 100) + window_size - smaller;
240	else if (align > -100 && align < 0)	127	else if (align > 100)
241	return ((align + 100) * smaller / 100) - image_size;	128	return lerp (window_size - image_size, window_size, align - 100);
242	return 0;	129	else
		130	return lerp (-image_size, 0, align + 100);
243	}	131	}
244		132
245	static inline int	133	static inline int
246	make_clip_rectangle (int pos, int size, int target_size, int &dst_pos, int &dst_size)	134	make_clip_rectangle (int pos, int size, int target_size, int &dst_pos, int &dst_size)
247	{	135	{
248	int src_pos = 0;	136	int src_pos = 0;
249	dst_pos = 0;	137	dst_pos = pos;
250	dst_size = size;	138	dst_size = size;
251	if (pos < 0)	139	if (pos < 0)
252	{	140	{
253	src_pos = -pos;	141	src_pos = -pos;
		142	dst_pos = 0;
254	dst_size += pos;	143	dst_size += pos;
255	}	144	}
256	else if (pos > 0)
257	dst_pos = pos;
258		145
259	if (dst_pos + dst_size > target_size)
260	dst_size = target_size - dst_pos;	146	min_it (dst_size, target_size - dst_pos);
261	return src_pos;	147	return src_pos;
262	}	148	}
263		149
264	bool	150	bool
265	bgPixmap_t::set_geometry (const char *geom)	151	rxvt_image::set_geometry (const char *geom, bool update)
266	{	152	{
		153	bool changed = false;
267	int geom_flags = 0, changed = 0;	154	int geom_flags = 0;
268	int x = 0, y = 0;	155	int x = h_align;
		156	int y = v_align;
269	unsigned int w = 0, h = 0;	157	unsigned int w = h_scale;
270	unsigned int n;	158	unsigned int h = v_scale;
271	unsigned long new_flags = (flags & (~geometryFlags));	159	unsigned long new_flags = 0;
272	const char *p;
273	# define MAXLEN_GEOM 256 /* could be longer than regular geometry string */
274		160
275	if (geom == NULL)	161	if (geom == NULL)
276	return false;	162	return false;
277		163
278	char str[MAXLEN_GEOM];	164	if (geom[0])
279
280	while (isspace(*geom)) ++geom;
281	if ((p = strchr (geom, ';')) == NULL)
282	p = strchr (geom, '\0');
283
284	n = (p - geom);
285	if (n < MAXLEN_GEOM)
286	{	165	{
287	char *ops;	166	char **arr = rxvt_strsplit (':', geom);
288	new_flags \|= geometrySet;
289		167
290	memcpy (str, geom, n);	168	for (int i = 0; arr[i]; i++)
291	str[n] = '\0';
292	if (str[0] == ':')
293	ops = &str[0];
294	else if (str[0] != 'x' && str[0] != 'X' && isalpha(str[0]))
295	ops = &str[0];
296	else
297	{
298	char *tmp;
299	ops = strchr (str, ':');
300	if (ops != NULL)
301	{	169	{
302	for (tmp = ops-1; tmp >= str && isspace(*tmp); --tmp);	170	if (!strcasecmp (arr[i], "style=tiled"))
303	*(++tmp) = '\0';
304	if (ops == tmp) ++ops;
305	}	171	{
306	}	172	new_flags = IM_TILE;
307
308	if (ops > str \|\| ops == NULL)
309	{
310	/* we have geometry string - let's handle it prior to applying ops */
311	geom_flags = XParseGeometry (str, &x, &y, &w, &h);
312
313	if ((geom_flags & XValue) && !(geom_flags & YValue))
314	{
315	y = x;
316	geom_flags \|= YValue;
317	}
318
319	if (flags & geometrySet)
320	{
321	/* new geometry is an adjustment to the old one ! */
322	if ((geom_flags & WidthValue) && (geom_flags & HeightValue))
323	{
324	if (w == 0 && h != 0)
325	{
326	w = h_scale;	173	w = h = noScale;
327	h = (v_scale * h) / 100;
328	}
329	else if (h == 0 && w != 0)
330	{
331	w = (h_scale * w) / 100;
332	h = v_scale;
333	}
334	}
335	if (geom_flags & XValue)
336	{
337	if (str[0] != '=')
338	{
339	y += v_align;
340	x += h_align;
341	}
342	}
343	}
344	else /* setting up geometry from scratch */
345	{
346	if (!(geom_flags & XValue))
347	{
348	/* use default geometry - centered */
349	x = y = defaultAlign;
350	}
351	else if (!(geom_flags & YValue))
352	y = x;	174	x = y = 0;
353
354	if ((geom_flags & (WidthValue\|HeightValue)) == 0)
355	{
356	/* use default geometry - scaled */
357	w = h = defaultScale;
358	}
359	else if (geom_flags & WidthValue)
360	{
361	if (!(geom_flags & HeightValue))
362	h = w;
363	}
364	else
365	w = h;
366	}
367	} /* done parsing geometry string */
368	else if (!(flags & geometrySet))
369	{
370	/* default geometry - scaled and centered */
371	x = y = defaultAlign;
372	w = h = defaultScale;
373	}
374
375	if (!(flags & geometrySet))
376	geom_flags \|= WidthValue\|HeightValue\|XValue\|YValue;	175	geom_flags = WidthValue\|HeightValue\|XValue\|YValue;
377
378	if (ops)
379	{
380	while (*ops)
381	{	176	}
382	while (ops == ':' \|\| isspace(ops)) ++ops;	177	else if (!strcasecmp (arr[i], "style=aspect-stretched"))
383
384	# define CHECK_GEOM_OPS(op_str) (strncasecmp (ops, (op_str), sizeof (op_str) - 1) == 0)
385	if (CHECK_GEOM_OPS ("tile"))
386	{	178	{
		179	new_flags = IM_KEEP_ASPECT;
		180	w = h = windowScale;
		181	x = y = centerAlign;
		182	geom_flags = WidthValue\|HeightValue\|XValue\|YValue;
		183	}
		184	else if (!strcasecmp (arr[i], "style=stretched"))
		185	{
		186	new_flags = 0;
		187	w = h = windowScale;
		188	geom_flags = WidthValue\|HeightValue;
		189	}
		190	else if (!strcasecmp (arr[i], "style=centered"))
		191	{
		192	new_flags = 0;
387	w = h = noScale;	193	w = h = noScale;
		194	x = y = centerAlign;
		195	geom_flags = WidthValue\|HeightValue\|XValue\|YValue;
		196	}
		197	else if (!strcasecmp (arr[i], "style=root-tiled"))
		198	{
		199	new_flags = IM_TILE\|IM_ROOT_ALIGN;
		200	w = h = noScale;
		201	geom_flags = WidthValue\|HeightValue;
		202	}
		203	else if (!strcasecmp (arr[i], "op=tile"))
		204	new_flags \|= IM_TILE;
		205	else if (!strcasecmp (arr[i], "op=keep-aspect"))
		206	new_flags \|= IM_KEEP_ASPECT;
		207	else if (!strcasecmp (arr[i], "op=root-align"))
		208	new_flags \|= IM_ROOT_ALIGN;
		209
		210	// deprecated
		211	else if (!strcasecmp (arr[i], "tile"))
		212	{
		213	new_flags \|= IM_TILE;
		214	w = h = noScale;
388	geom_flags \|= WidthValue\|HeightValue;	215	geom_flags \|= WidthValue\|HeightValue;
389	}	216	}
390	else if (CHECK_GEOM_OPS ("propscale"))	217	else if (!strcasecmp (arr[i], "propscale"))
391	{	218	{
392	new_flags \|= propScale;	219	new_flags \|= IM_KEEP_ASPECT;
393	}
394	else if (CHECK_GEOM_OPS ("hscale"))
395	{
396	if (w == 0) w = windowScale;
397
398	h = noScale;	220	w = h = windowScale;
399	geom_flags \|= WidthValue\|HeightValue;	221	geom_flags \|= WidthValue\|HeightValue;
400	}	222	}
401	else if (CHECK_GEOM_OPS ("vscale"))	223	else if (!strcasecmp (arr[i], "hscale"))
402	{	224	{
		225	new_flags \|= IM_TILE;
403	if (h == 0) h = windowScale;	226	w = windowScale;
404
405	w = noScale;	227	h = noScale;
406	geom_flags \|= WidthValue\|HeightValue;	228	geom_flags \|= WidthValue\|HeightValue;
407	}	229	}
408	else if (CHECK_GEOM_OPS ("scale"))	230	else if (!strcasecmp (arr[i], "vscale"))
409	{	231	{
		232	new_flags \|= IM_TILE;
410	if (h == 0) h = windowScale;	233	h = windowScale;
411	if (w == 0) w = windowScale;	234	w = noScale;
412
413	geom_flags \|= WidthValue\|HeightValue;	235	geom_flags \|= WidthValue\|HeightValue;
414	}	236	}
415	else if (CHECK_GEOM_OPS ("auto"))	237	else if (!strcasecmp (arr[i], "scale"))
416	{	238	{
417	w = h = windowScale;	239	w = h = windowScale;
		240	geom_flags \|= WidthValue\|HeightValue;
		241	}
		242	else if (!strcasecmp (arr[i], "auto"))
		243	{
		244	w = h = windowScale;
418	x = y = centerAlign;	245	x = y = centerAlign;
419	geom_flags \|= WidthValue\|HeightValue\|XValue\|YValue;	246	geom_flags \|= WidthValue\|HeightValue\|XValue\|YValue;
420	}	247	}
421	else if (CHECK_GEOM_OPS ("root"))	248	else if (!strcasecmp (arr[i], "root"))
422	{	249	{
		250	new_flags \|= IM_TILE\|IM_ROOT_ALIGN;
423	w = h = noScale;	251	w = h = noScale;
424	x = y = rootAlign;
425	geom_flags \|= WidthValue\|HeightValue\|XValue\|YValue;	252	geom_flags \|= WidthValue\|HeightValue;
426	}	253	}
427	# undef CHECK_GEOM_OPS
428		254
429	while (ops != ':' && ops != '\0') ++ops;	255	else
		256	geom_flags \|= XParseGeometry (arr[i], &x, &y, &w, &h);
430	} /* done parsing ops */	257	} /* done parsing ops */
431	}
432		258
433	if (check_set_scale_value (geom_flags, WidthValue, h_scale, w)) ++changed;	259	rxvt_free_strsplit (arr);
434	if (check_set_scale_value (geom_flags, HeightValue, v_scale, h)) ++changed;	260	}
435	if (check_set_align_value (geom_flags, XValue, h_align, x)) ++changed;	261
436	if (check_set_align_value (geom_flags, YValue, v_align, y)) ++changed;	262	new_flags \|= flags & ~IM_GEOMETRY_FLAGS;
		263
		264	if (!update)
437	}	265	{
		266	if (!(geom_flags & XValue))
		267	x = y = defaultAlign;
		268	else if (!(geom_flags & YValue))
		269	y = x;
438		270
439	if (new_flags != flags)	271	if (!(geom_flags & (WidthValue\|HeightValue)))
		272	w = h = defaultScale;
		273	else if (!(geom_flags & HeightValue))
		274	h = w;
		275	else if (!(geom_flags & WidthValue))
		276	w = h;
		277	}
		278
		279	clamp_it (x, -100, 200);
		280	clamp_it (y, -100, 200);
		281
		282	if (flags != new_flags
		283	\|\| h_scale != w
		284	\|\| v_scale != h
		285	\|\| h_align != x
		286	\|\| v_align != y)
440	{	287	{
441	flags = new_flags;	288	flags = new_flags;
		289	h_scale = w;
		290	v_scale = h;
		291	h_align = x;
		292	v_align = y;
442	changed++;	293	changed = true;
443	}	294	}
444		295
445	//fprintf (stderr, "flags = %lX, scale = %ux%u, align=%+d%+d\n",	296	if (!(flags & IM_TILE)
446	// flags, h_scale, v_scale, h_align, v_align);	297	\|\| h_scale \|\| v_scale
		298	\|\| (!(flags & IM_ROOT_ALIGN) && (h_align \|\| v_align)))
		299	flags \|= IM_IS_SIZE_SENSITIVE;
		300	else
		301	flags &= ~IM_IS_SIZE_SENSITIVE;
		302
447	return (changed > 0);	303	return changed;
448	}	304	}
449		305
450	void	306	void
451	bgPixmap_t::get_image_geometry (int image_width, int image_height, int &w, int &h, int &x, int &y)	307	rxvt_term::get_image_geometry (rxvt_image &image, int &w, int &h, int &x, int &y)
452	{	308	{
		309	int image_width = image.width ();
		310	int image_height = image.height ();
453	int target_width = target->szHint.width;	311	int target_width = szHint.width;
454	int target_height = target->szHint.height;	312	int target_height = szHint.height;
		313	int h_scale = min (image.h_scale, 32767 * 100 / target_width);
		314	int v_scale = min (image.v_scale, 32767 * 100 / target_height);
455		315
456	if (flags & propScale)	316	w = h_scale * target_width / 100;
		317	h = v_scale * target_height / 100;
		318
		319	if (image.flags & IM_KEEP_ASPECT)
457	{	320	{
458	float scale = (float)target_width / image_width;	321	float scale = (float)w / image_width;
459	min_it (scale, (float)target_height / image_height);	322	min_it (scale, (float)h / image_height);
460	w = image_width * scale + 0.5;	323	w = image_width * scale + 0.5;
461	h = image_height * scale + 0.5;	324	h = image_height * scale + 0.5;
462	}	325	}
		326
		327	if (!w) w = image_width;
		328	if (!h) h = image_height;
		329
		330	if (image.flags & IM_ROOT_ALIGN)
		331	{
		332	x = -target_x;
		333	y = -target_y;
		334	}
463	else	335	else
464	{	336	{
465	w = h_scale * target_width / 100;	337	x = make_align_position (image.h_align, target_width, w);
466	h = v_scale * target_height / 100;	338	y = make_align_position (image.v_align, target_height, h);
467	}
468
469	if (h_align == rootAlign \|\| v_align == rootAlign)
470	{	339	}
471	target->get_window_origin (x, y);
472	x = -x;
473	y = -y;
474	}
475
476	if (h_align != rootAlign)
477	x = make_align_position (h_align, target_width, w > 0 ? w : image_width);
478
479	if (v_align != rootAlign)
480	y = make_align_position (v_align, target_height, h > 0 ? h : image_height);
481
482	flags &= ~sizeSensitive;
483	if (h_scale != 0 \|\| v_scale != 0
484	\|\| h_align != 0 \|\| v_align != 0
485	\|\| image_width > target_width \|\| image_height > target_height)
486	flags \|= sizeSensitive;
487	}	340	}
488		341
489	# ifdef HAVE_AFTERIMAGE	342	# ifdef HAVE_PIXBUF
490	bool	343	bool
491	bgPixmap_t::render_image (unsigned long background_flags)	344	rxvt_term::pixbuf_to_pixmap (GdkPixbuf *pixbuf, Pixmap pixmap, GC gc,
		345	int src_x, int src_y, int dst_x, int dst_y,
		346	unsigned int width, unsigned int height, bool argb)
492	{	347	{
493	if (target == NULL)	348	XImage *ximage;
		349	char *line;
		350	int width_r, width_g, width_b, width_a;
		351	int sh_r, sh_g, sh_b, sh_a;
		352	uint32_t red_mask, green_mask, blue_mask, alpha_mask;
		353	int rowstride;
		354	int channels;
		355	unsigned char *row;
		356
		357	if (visual->c_class != TrueColor)
494	return false;	358	return false;
495		359
496	target->init_asv ();	360	if (argb)
497
498	ASImage *background = NULL;
499	ARGB32 background_tint = TINT_LEAVE_SAME;
500
501	# ifdef ENABLE_TRANSPARENCY
502	if (background_flags)
503	background = pixmap2ximage (target->asv, pixmap, 0, 0, pmap_width, pmap_height, AllPlanes, 100);
504
505	if (!(background_flags & transpPmapTinted) && (flags & tintNeeded))
506	{
507	ShadingInfo as_shade;
508	as_shade.shading = (shade == 0) ? 100 : shade;
509
510	rgba c (rgba::MAX_CC,rgba::MAX_CC,rgba::MAX_CC);
511	if (flags & tintSet)
512	tint.get (c);
513	as_shade.tintColor.red = c.r;
514	as_shade.tintColor.green = c.g;
515	as_shade.tintColor.blue = c.b;
516
517	background_tint = shading2tint32 (&as_shade);
518	}	361	{
519		362	red_mask = 0xff << 16;
520	if (!(background_flags & transpPmapBlured) && (flags & blurNeeded) && background != NULL)	363	green_mask = 0xff << 8;
		364	blue_mask = 0xff;
		365	alpha_mask = 0xff << 24;
521	{	366	}
522	ASImage *tmp = blur_asimage_gauss (target->asv, background, h_blurRadius, v_blurRadius, 0xFFFFFFFF,	367	else
523	(original_asim == NULL \|\| tint == TINT_LEAVE_SAME) ? ASA_XImage : ASA_ASImage,	368	{
524	100, ASIMAGE_QUALITY_DEFAULT);	369	red_mask = visual->red_mask;
		370	green_mask = visual->green_mask;
		371	blue_mask = visual->blue_mask;
		372	#if XRENDER
		373	XRenderPictFormat *format = XRenderFindVisualFormat (dpy, visual);
525	if (tmp)	374	if (format)
		375	alpha_mask = (uint32_t)format->direct.alphaMask << format->direct.alpha;
		376	else
		377	#endif
		378	alpha_mask = 0;
		379	}
		380
		381	width_r = ecb_popcount32 (red_mask);
		382	width_g = ecb_popcount32 (green_mask);
		383	width_b = ecb_popcount32 (blue_mask);
		384	width_a = ecb_popcount32 (alpha_mask);
		385
		386	if (width_r > 8 \|\| width_g > 8 \|\| width_b > 8 \|\| width_a > 8)
		387	return false;
		388
		389	sh_r = ecb_ctz32 (red_mask);
		390	sh_g = ecb_ctz32 (green_mask);
		391	sh_b = ecb_ctz32 (blue_mask);
		392	sh_a = ecb_ctz32 (alpha_mask);
		393
		394	if (width > 32767 \|\| height > 32767)
		395	return false;
		396
		397	ximage = XCreateImage (dpy, visual, argb ? 32 : depth, ZPixmap, 0, 0,
		398	width, height, 32, 0);
		399	if (!ximage)
		400	return false;
		401
		402	if (height > INT_MAX / ximage->bytes_per_line
		403	\|\| !(ximage->data = (char )malloc (height ximage->bytes_per_line)))
		404	{
		405	XDestroyImage (ximage);
		406	return false;
		407	}
		408
		409	ximage->byte_order = ecb_big_endian () ? MSBFirst : LSBFirst;
		410
		411	rowstride = gdk_pixbuf_get_rowstride (pixbuf);
		412	channels = gdk_pixbuf_get_n_channels (pixbuf);
		413	row = gdk_pixbuf_get_pixels (pixbuf) + src_y * rowstride + src_x * channels;
		414	line = ximage->data;
		415
		416	rgba c (0, 0, 0);
		417
		418	if (channels == 4 && alpha_mask == 0)
		419	{
		420	pix_colors[Color_bg].get (c);
		421	c.r >>= 8;
		422	c.g >>= 8;
		423	c.b >>= 8;
		424	}
		425
		426	for (int y = 0; y < height; y++)
		427	{
		428	for (int x = 0; x < width; x++)
		429	{
		430	unsigned char pixel = row + x channels;
		431	uint32_t value;
		432	unsigned char r, g, b, a;
		433
		434	if (channels == 4)
526	{	435	{
527	destroy_asimage (&background);	436	a = pixel[3];
528	background = tmp;	437	r = (pixel[0] * a + c.r * (0xff - a)) / 0xff;
		438	g = (pixel[1] * a + c.g * (0xff - a)) / 0xff;
		439	b = (pixel[2] * a + c.b * (0xff - a)) / 0xff;
		440	}
		441	else
		442	{
		443	a = 0xff;
		444	r = pixel[0];
		445	g = pixel[1];
		446	b = pixel[2];
		447	}
		448
		449	value = ((r >> (8 - width_r)) << sh_r)
		450	\| ((g >> (8 - width_g)) << sh_g)
		451	\| ((b >> (8 - width_b)) << sh_b)
		452	\| ((a >> (8 - width_a)) << sh_a);
		453
		454	if (ximage->bits_per_pixel == 32)
		455	((uint32_t *)line)[x] = value;
		456	else
		457	XPutPixel (ximage, x, y, value);
529	}	458	}
530	}
531	# endif
532		459
533	ASImage *result = 0;	460	row += rowstride;
		461	line += ximage->bytes_per_line;
		462	}
534		463
		464	XPutImage (dpy, pixmap, gc, ximage, 0, 0, dst_x, dst_y, width, height);
		465	XDestroyImage (ximage);
		466	return true;
		467	}
		468
		469	bool
		470	rxvt_term::render_image (rxvt_image &image)
		471	{
		472	GdkPixbuf *pixbuf = image.pixbuf;
		473	if (!pixbuf)
		474	return false;
		475
		476	bool need_blend = bg_flags & BG_IS_VALID;
		477
		478	if (need_blend
		479	&& !(bg_flags & BG_HAS_RENDER))
		480	return false;
		481
		482	GdkPixbuf *result;
		483
		484	int image_width = gdk_pixbuf_get_width (pixbuf);
		485	int image_height = gdk_pixbuf_get_height (pixbuf);
		486
535	int target_width = target->szHint.width;	487	int target_width = szHint.width;
536	int target_height = target->szHint.height;	488	int target_height = szHint.height;
537	int new_pmap_width = target_width;	489	int new_pmap_width = target_width;
538	int new_pmap_height = target_height;	490	int new_pmap_height = target_height;
539		491
540	int x = 0;	492	int x = 0;
541	int y = 0;	493	int y = 0;
542	int w = 0;	494	int w = 0;
543	int h = 0;	495	int h = 0;
544		496
545	TIMING_TEST_START (asim);	497	get_image_geometry (image, w, h, x, y);
546		498
547	if (original_asim)	499	if (!(image.flags & IM_ROOT_ALIGN)
548	get_image_geometry (original_asim->width, original_asim->height, w, h, x, y);
549
550	if (!original_asim
551	\|\| x >= target_width	500	&& (x >= target_width
552	\|\| y >= target_height	501	\|\| y >= target_height
553	\|\| (w > 0 && x + w <= 0)	502	\|\| x + w <= 0
554	\|\| (h > 0 && y + h <= 0))	503	\|\| y + h <= 0))
555	{	504	return false;
556	if (background)
557	{
558	new_pmap_width = background->width;
559	new_pmap_height = background->height;
560	result = background;
561		505
562	if (background_tint != TINT_LEAVE_SAME)	506	result = pixbuf;
563	{	507
564	ASImage *tmp = tile_asimage (target->asv, background, 0, 0,	508	if (w != image_width
565	target_width, target_height, background_tint,	509	\|\| h != image_height)
566	ASA_XImage, 100, ASIMAGE_QUALITY_DEFAULT);
567	if (tmp)
568	result = tmp;
569	}
570	}
571	else
572	new_pmap_width = new_pmap_height = 0;
573	}	510	{
		511	result = gdk_pixbuf_scale_simple (pixbuf,
		512	w, h,
		513	GDK_INTERP_BILINEAR);
		514	}
		515
		516	if (!result)
		517	return false;
		518
		519	bool ret = false;
		520
		521	XGCValues gcv;
		522	GC gc;
		523	Pixmap tmp_pixmap;
		524
		525	image_width = gdk_pixbuf_get_width (result);
		526	image_height = gdk_pixbuf_get_height (result);
		527
		528	if (need_blend)
		529	tmp_pixmap = XCreatePixmap (dpy, vt, new_pmap_width, new_pmap_height, 32);
574	else	530	else
575	{	531	{
576	result = original_asim;	532	if (image.flags & IM_TILE)
577
578	if ((w > 0 && w != original_asim->width)
579	\|\| (h > 0 && h != original_asim->height))
580	{
581	result = scale_asimage (target->asv, original_asim,
582	w > 0 ? w : original_asim->width,
583	h > 0 ? h : original_asim->height,
584	background ? ASA_ASImage : ASA_XImage,
585	100, ASIMAGE_QUALITY_DEFAULT);
586	}
587
588	if (background == NULL)
589	{
590	if (h_scale == 0 \|\| v_scale == 0)
591	{
592	/* if tiling - pixmap has to be sized exactly as the image,
593	but there is no need to make it bigger than the window! */
594	new_pmap_width = min (result->width, target_width);
595	new_pmap_height = min (result->height, target_height);
596
597	/* we also need to tile our image in both directions */
598	ASImage *tmp = tile_asimage (target->asv, result,
599	(int)result->width - x,
600	(int)result->height - y,
601	new_pmap_width,
602	new_pmap_height,
603	TINT_LEAVE_SAME, ASA_XImage,
604	100, ASIMAGE_QUALITY_DEFAULT);
605	if (tmp)
606	{
607	if (result != original_asim)
608	destroy_asimage (&result);
609
610	result = tmp;
611	}
612	}
613	}
614	else
615	{
616	/* if blending background and image - pixmap has to be sized same as target window */
617	ASImageLayer *layers = create_image_layers (2);
618
619	layers[0].im = background;
620	layers[0].clip_width = target_width;
621	layers[0].clip_height = target_height;
622	layers[0].tint = background_tint;
623	layers[1].im = result;
624
625	if (w <= 0)
626	{
627	/* tile horizontally */
628	while (x > 0) x -= (int)result->width;
629	layers[1].dst_x = x;
630	layers[1].clip_width = result->width+target_width;
631	}
632	else
633	{
634	/* clip horizontally */
635	layers[1].dst_x = x;
636	layers[1].clip_width = result->width;
637	}
638
639	if (h <= 0)
640	{
641	while (y > 0) y -= (int)result->height;
642	layers[1].dst_y = y;
643	layers[1].clip_height = result->height + target_height;
644	}
645	else
646	{
647	layers[1].dst_y = y;
648	layers[1].clip_height = result->height;
649	}
650
651	if (target->rs[Rs_blendtype])
652	{
653	layers[1].merge_scanlines = blend_scanlines_name2func (target->rs[Rs_blendtype]);
654	if (layers[1].merge_scanlines == NULL)
655	layers[1].merge_scanlines = alphablend_scanlines;
656	}
657
658	ASImage *tmp = merge_layers (target->asv, layers, 2, target_width, target_height,
659	ASA_XImage, 0, ASIMAGE_QUALITY_DEFAULT);
660
661	if (tmp)
662	{
663	if (result != original_asim)
664	destroy_asimage (&result);
665
666	result = tmp;
667	}
668
669	free (layers);
670	}
671	}
672	TIMING_TEST_PRINT_RESULT (asim);
673
674	bool ret = false;
675
676	if (result)
677	{
678	XGCValues gcv;
679	GC gc;
680
681	if (pixmap)
682	{
683	if (pmap_width != new_pmap_width
684	\|\| pmap_height != new_pmap_height
685	\|\| pmap_depth != target->depth)
686	{
687	XFreePixmap (target->dpy, pixmap);
688	pixmap = None;
689	}
690	}
691
692	/* create Pixmap */
693	if (pixmap == None)
694	{
695	pixmap = XCreatePixmap (target->dpy, target->vt, new_pmap_width, new_pmap_height, target->depth);
696	pmap_width = new_pmap_width;
697	pmap_height = new_pmap_height;
698	pmap_depth = target->depth;
699	}
700	/* fill with background color (if result's not completely overlapping it) */
701	gcv.foreground = target->pix_colors[Color_bg];
702	gc = XCreateGC (target->dpy, target->vt, GCForeground, &gcv);
703
704	int src_x = 0, src_y = 0, dst_x = 0, dst_y = 0;
705	int dst_width = result->width, dst_height = result->height;
706	if (background == NULL)
707	{
708	if (!(h_scale == 0 \|\| v_scale == 0))
709	{
710	src_x = make_clip_rectangle (x, result->width , new_pmap_width , dst_x, dst_width );
711	src_y = make_clip_rectangle (y, result->height, new_pmap_height, dst_y, dst_height);
712	}
713
714	if (dst_x > 0 \|\| dst_y > 0
715	\|\| dst_x + dst_width < new_pmap_width
716	\|\| dst_y + dst_height < new_pmap_height)
717	XFillRectangle (target->dpy, pixmap, gc, 0, 0, new_pmap_width, new_pmap_height);
718	}
719
720	/* put result on pixmap */
721	if (dst_x < new_pmap_width && dst_y < new_pmap_height)
722	asimage2drawable (target->asv, pixmap, result, gc, src_x, src_y, dst_x, dst_y, dst_width, dst_height, True);
723
724	if (result != background && result != original_asim)
725	destroy_asimage (&result);
726
727	XFreeGC (target->dpy, gc);
728	TIMING_TEST_PRINT_RESULT (asim);
729
730	ret = true;
731	}
732
733	if (background)
734	destroy_asimage (&background);
735
736	return ret;
737	}
738	# endif /* HAVE_AFTERIMAGE */
739
740	# ifdef HAVE_PIXBUF
741	bool
742	bgPixmap_t::render_image (unsigned long background_flags)
743	{
744	if (target == NULL)
745	return false;
746
747	if (!pixbuf)
748	return false;
749
750	// TODO: add alpha blending
751	if (background_flags)
752	return false;
753
754	GdkPixbuf *result;
755
756	int image_width = gdk_pixbuf_get_width (pixbuf);
757	int image_height = gdk_pixbuf_get_height (pixbuf);
758
759	int target_width = target->szHint.width;
760	int target_height = target->szHint.height;
761	int new_pmap_width = target_width;
762	int new_pmap_height = target_height;
763
764	int x = 0;
765	int y = 0;
766	int w = 0;
767	int h = 0;
768
769	get_image_geometry (image_width, image_height, w, h, x, y);
770
771	if (x >= target_width
772	\|\| y >= target_height
773	\|\| (w > 0 && x + w <= 0)
774	\|\| (h > 0 && y + h <= 0))
775	return false;
776
777	result = pixbuf;
778
779	if ((w > 0 && w != image_width)
780	\|\| (h > 0 && h != image_height))
781	{
782	result = gdk_pixbuf_scale_simple (pixbuf,
783	w > 0 ? w : image_width,
784	h > 0 ? h : image_height,
785	GDK_INTERP_BILINEAR);
786	}
787
788	bool ret = false;
789
790	if (result)
791	{
792	XGCValues gcv;
793	GC gc;
794
795	image_width = gdk_pixbuf_get_width (result);
796	image_height = gdk_pixbuf_get_height (result);
797
798	if (h_scale == 0 \|\| v_scale == 0)
799	{	533	{
800	new_pmap_width = min (image_width, target_width);	534	new_pmap_width = min (image_width, target_width);
801	new_pmap_height = min (image_height, target_height);	535	new_pmap_height = min (image_height, target_height);
802	}	536	}
803		537
804	if (pixmap)	538	if (bg_pixmap == None
805	{
806	if (pmap_width != new_pmap_width	539	\|\| bg_pmap_width != new_pmap_width
807	\|\| pmap_height != new_pmap_height	540	\|\| bg_pmap_height != new_pmap_height)
808	\|\| pmap_depth != target->depth)
809	{	541	{
		542	if (bg_pixmap)
810	XFreePixmap (target->dpy, pixmap);	543	XFreePixmap (dpy, bg_pixmap);
811	pixmap = None;	544	bg_pixmap = XCreatePixmap (dpy, vt, new_pmap_width, new_pmap_height, depth);
812	}	545	bg_pmap_width = new_pmap_width;
		546	bg_pmap_height = new_pmap_height;
813	}	547	}
814		548
815	if (pixmap == None)	549	tmp_pixmap = bg_pixmap;
816	{	550	}
817	pixmap = XCreatePixmap (target->dpy, target->vt, new_pmap_width, new_pmap_height, target->depth);	551
818	pmap_width = new_pmap_width;	552	gcv.foreground = pix_colors[Color_bg];
819	pmap_height = new_pmap_height;	553	gc = XCreateGC (dpy, tmp_pixmap, GCForeground, &gcv);
820	pmap_depth = target->depth;	554
		555	if (gc)
		556	{
		557	if (image.flags & IM_TILE)
821	}	558	{
822
823	gcv.foreground = target->pix_colors[Color_bg];
824	gc = XCreateGC (target->dpy, target->vt, GCForeground, &gcv);
825
826	if (h_scale == 0 \|\| v_scale == 0)
827	{
828	Pixmap tile = XCreatePixmap (target->dpy, target->vt, image_width, image_height, target->depth);	559	Pixmap tile = XCreatePixmap (dpy, vt, image_width, image_height, need_blend ? 32 : depth);
829	gdk_pixbuf_xlib_render_to_drawable (result, tile, gc,	560	pixbuf_to_pixmap (result, tile, gc,
830	0, 0,	561	0, 0,
831	0, 0,	562	0, 0,
832	image_width, image_height,	563	image_width, image_height, need_blend);
833	XLIB_RGB_DITHER_NONE,
834	0, 0);
835		564
836	gcv.tile = tile;	565	gcv.tile = tile;
837	gcv.fill_style = FillTiled;	566	gcv.fill_style = FillTiled;
838	gcv.ts_x_origin = x;	567	gcv.ts_x_origin = x;
839	gcv.ts_y_origin = y;	568	gcv.ts_y_origin = y;
840	XChangeGC (target->dpy, gc, GCFillStyle \| GCTile \| GCTileStipXOrigin \| GCTileStipYOrigin, &gcv);	569	XChangeGC (dpy, gc, GCFillStyle \| GCTile \| GCTileStipXOrigin \| GCTileStipYOrigin, &gcv);
841		570
842	XFillRectangle (target->dpy, pixmap, gc, 0, 0, new_pmap_width, new_pmap_height);	571	XFillRectangle (dpy, tmp_pixmap, gc, 0, 0, new_pmap_width, new_pmap_height);
843	XFreePixmap (target->dpy, tile);	572	XFreePixmap (dpy, tile);
844	}	573	}
845	else	574	else
846	{	575	{
847	int src_x, src_y, dst_x, dst_y;	576	int src_x, src_y, dst_x, dst_y;
848	int dst_width, dst_height;	577	int dst_width, dst_height;
…		…
851	src_y = make_clip_rectangle (y, image_height, new_pmap_height, dst_y, dst_height);	580	src_y = make_clip_rectangle (y, image_height, new_pmap_height, dst_y, dst_height);
852		581
853	if (dst_x > 0 \|\| dst_y > 0	582	if (dst_x > 0 \|\| dst_y > 0
854	\|\| dst_x + dst_width < new_pmap_width	583	\|\| dst_x + dst_width < new_pmap_width
855	\|\| dst_y + dst_height < new_pmap_height)	584	\|\| dst_y + dst_height < new_pmap_height)
856	XFillRectangle (target->dpy, pixmap, gc, 0, 0, new_pmap_width, new_pmap_height);	585	XFillRectangle (dpy, tmp_pixmap, gc, 0, 0, new_pmap_width, new_pmap_height);
857		586
858	if (dst_x < new_pmap_width && dst_y < new_pmap_height)	587	if (dst_x < new_pmap_width && dst_y < new_pmap_height)
859	gdk_pixbuf_xlib_render_to_drawable (result, pixmap, gc,	588	pixbuf_to_pixmap (result, tmp_pixmap, gc,
860	src_x, src_y,	589	src_x, src_y,
861	dst_x, dst_y,	590	dst_x, dst_y,
862	dst_width, dst_height,	591	dst_width, dst_height, need_blend);
863	XLIB_RGB_DITHER_NONE,
864	0, 0);
865	}	592	}
866		593
867	if (result != pixbuf)	594	#if XRENDER
868	g_object_unref (result);	595	if (need_blend)
		596	{
		597	XRenderPictFormat *argb_format = XRenderFindStandardFormat (dpy, PictStandardARGB32);
		598	XRenderPictFormat *format = XRenderFindVisualFormat (dpy, visual);
869		599
		600	Picture src = XRenderCreatePicture (dpy, tmp_pixmap, argb_format, 0, 0);
		601
		602	Picture dst = XRenderCreatePicture (dpy, bg_pixmap, format, 0, 0);
		603
		604	Picture mask = create_xrender_mask (dpy, vt, False, False);
		605
		606	XRenderColor mask_c;
		607
		608	mask_c.alpha = 0x8000;
		609	mask_c.red =
		610	mask_c.green =
		611	mask_c.blue = 0;
		612	XRenderFillRectangle (dpy, PictOpSrc, mask, &mask_c, 0, 0, 1, 1);
		613
		614	XRenderComposite (dpy, PictOpOver, src, mask, dst, 0, 0, 0, 0, 0, 0, target_width, target_height);
		615
		616	XRenderFreePicture (dpy, src);
		617	XRenderFreePicture (dpy, dst);
		618	XRenderFreePicture (dpy, mask);
		619	}
		620	#endif
		621
870	XFreeGC (target->dpy, gc);	622	XFreeGC (dpy, gc);
871		623
872	ret = true;	624	ret = true;
873	}	625	}
874		626
		627	if (result != pixbuf)
		628	g_object_unref (result);
		629
		630	if (need_blend)
		631	XFreePixmap (dpy, tmp_pixmap);
		632
875	return ret;	633	return ret;
876	}	634	}
877	# endif /* HAVE_PIXBUF */	635	# endif /* HAVE_PIXBUF */
878		636
879	bool	637	bool
880	bgPixmap_t::set_file (const char *file)	638	rxvt_image::set_file (const char *file)
881	{	639	{
882	assert (file);	640	if (!file \|\| !*file)
		641	return false;
883		642
884	if (*file)	643	bool ret = false;
885	{
886	if (const char *p = strchr (file, ';'))	644	const char *p = strchr (file, ';');
887	{	645
		646	if (p)
		647	{
888	size_t len = p - file;	648	size_t len = p - file;
889	char *f = rxvt_temp_buf<char> (len + 1);	649	char *f = rxvt_temp_buf<char> (len + 1);
890	memcpy (f, file, len);	650	memcpy (f, file, len);
891	f[len] = '\0';	651	f[len] = '\0';
892	file = f;	652	file = f;
893	}	653	}
894		654
895	# ifdef HAVE_AFTERIMAGE	655	# ifdef HAVE_PIXBUF
896	if (!target->asimman)	656	GdkPixbuf *image = gdk_pixbuf_new_from_file (file, NULL);
897	target->asimman = create_generic_imageman (target->rs[Rs_path]);	657	if (image)
898	original_asim = get_asimage (target->asimman, file, 0xFFFFFFFF, 100);	658	{
899	if (original_asim)	659	if (pixbuf)
900	have_image = true;	660	g_object_unref (pixbuf);
901	return have_image;	661	pixbuf = image;
		662	ret = true;
		663	}
902	# endif	664	# endif
903		665
904	# ifdef HAVE_PIXBUF	666	if (ret)
905	pixbuf = gdk_pixbuf_new_from_file (file, NULL);	667	{
		668	flags = IM_IS_SET \| IM_IS_SIZE_SENSITIVE;
		669	h_scale = v_scale = defaultScale;
		670	h_align = v_align = defaultAlign;
		671
906	if (pixbuf)	672	if (p)
907	have_image = true;	673	set_geometry (p + 1);
908	return have_image;
909	# endif
910	}	674	}
911		675
912	return false;	676	return ret;
913	}	677	}
914		678
915	# endif /* BG_IMAGE_FROM_FILE */	679	# endif /* BG_IMAGE_FROM_FILE */
916		680
917	# ifdef ENABLE_TRANSPARENCY	681	# ifdef ENABLE_TRANSPARENCY
918	bool	682	bool
919	bgPixmap_t::set_transparent ()	683	rxvt_term::bg_set_blur (const char *geom)
920	{	684	{
921	if (!(flags & isTransparent))	685	bool changed = false;
922	{
923	flags \|= isTransparent;
924	return true;
925	}
926
927	return false;
928	}
929
930	bool
931	bgPixmap_t::set_blur_radius (const char *geom)
932	{
933	int changed = 0;
934	unsigned int hr, vr;	686	unsigned int hr, vr;
935	int junk;	687	int junk;
936	int geom_flags = XParseGeometry (geom, &junk, &junk, &hr, &vr);	688	int geom_flags = XParseGeometry (geom, &junk, &junk, &hr, &vr);
937		689
938	if (!(geom_flags & WidthValue))	690	if (!(geom_flags & WidthValue))
939	hr = 1;	691	hr = 1;
940	if (!(geom_flags & HeightValue))	692	if (!(geom_flags & HeightValue))
941	vr = hr;	693	vr = hr;
942		694
		695	min_it (hr, 128);
		696	min_it (vr, 128);
		697
943	if (h_blurRadius != hr)	698	if (h_blurRadius != hr)
944	{	699	{
945	++changed;	700	changed = true;
946	h_blurRadius = hr;	701	h_blurRadius = hr;
947	}	702	}
948		703
949	if (v_blurRadius != vr)	704	if (v_blurRadius != vr)
950	{	705	{
951	++changed;	706	changed = true;
952	v_blurRadius = vr;	707	v_blurRadius = vr;
953	}	708	}
954		709
955	if (v_blurRadius == 0 && h_blurRadius == 0)
956	flags &= ~blurNeeded;
957	else
958	flags \|= blurNeeded;
959
960	return (changed > 0);	710	return changed;
961	}	711	}
962		712
963	static inline unsigned long	713	bool
964	compute_tint_shade_flags (rxvt_color *tint, int shade)	714	rxvt_term::bg_set_tint (rxvt_color &new_tint)
965	{	715	{
966	unsigned long flags = 0;	716	if (!(bg_flags & BG_TINT_SET) \|\| tint != new_tint)
967	rgba c (rgba::MAX_CC,rgba::MAX_CC,rgba::MAX_CC);
968	bool has_shade = (shade > 0 && shade < 100) \|\| (shade > 100 && shade < 200);
969
970	if (tint)
971	{	717	{
		718	tint = new_tint;
		719	bg_flags \|= BG_TINT_SET;
		720
		721	rgba c;
972	tint->get (c);	722	tint.get (c);
973	# define IS_COMPONENT_WHOLESOME(cmp) ((cmp) <= 0x000700 \|\| (cmp) >= 0x00f700)	723	if ((c.r <= 0x00ff \|\| c.r >= 0xff00)
974	if (!has_shade && IS_COMPONENT_WHOLESOME (c.r)	724	&& (c.g <= 0x00ff \|\| c.g >= 0xff00)
975	&& IS_COMPONENT_WHOLESOME (c.g)	725	&& (c.b <= 0x00ff \|\| c.b >= 0xff00))
976	&& IS_COMPONENT_WHOLESOME (c.b))	726	bg_flags \|= BG_TINT_BITAND;
977	flags \|= bgPixmap_t::tintWholesome;	727	else
978	# undef IS_COMPONENT_WHOLESOME	728	bg_flags &= ~BG_TINT_BITAND;
979	}
980		729
981	if (has_shade)	730	return true;
982	flags \|= bgPixmap_t::tintNeeded;
983	else if (tint)
984	{	731	}
985	if ((c.r > 0x000700 \|\| c.g > 0x000700 \|\| c.b > 0x000700)	732
986	&& (c.r < 0x00f700 \|\| c.g < 0x00f700 \|\| c.b < 0x00f700))	733	return false;
		734	}
		735
		736	bool
		737	rxvt_term::bg_set_shade (const char *shade_str)
		738	{
		739	int new_shade = atoi (shade_str);
		740
		741	clamp_it (new_shade, -100, 200);
		742	if (new_shade < 0)
		743	new_shade = 200 - (100 + new_shade);
		744
		745	if (new_shade != shade)
		746	{
		747	shade = new_shade;
		748	return true;
		749	}
		750
		751	return false;
		752	}
		753
		754	#if XRENDER
		755	static void
		756	get_gaussian_kernel (int radius, int width, double kernel, XFixed params)
		757	{
		758	double sigma = radius / 2.0;
		759	double scale = sqrt (2.0 * M_PI) * sigma;
		760	double sum = 0.0;
		761
		762	for (int i = 0; i < width; i++)
		763	{
		764	double x = i - width / 2;
		765	kernel[i] = exp (-(x * x) / (2.0 * sigma * sigma)) / scale;
		766	sum += kernel[i];
		767	}
		768
		769	params[0] = XDoubleToFixed (width);
		770	params[1] = XDoubleToFixed (1);
		771
		772	for (int i = 0; i < width; i++)
		773	params[i+2] = XDoubleToFixed (kernel[i] / sum);
		774	}
		775	#endif
		776
		777	bool
		778	rxvt_term::blur_pixmap (Pixmap pixmap, int width, int height)
		779	{
		780	bool ret = false;
		781	#if XRENDER
		782	if (!(bg_flags & BG_HAS_RENDER_CONV))
		783	return false;
		784
		785	int size = max (h_blurRadius, v_blurRadius) * 2 + 1;
		786	double kernel = (double )malloc (size * sizeof (double));
		787	XFixed params = (XFixed )malloc ((size + 2) * sizeof (XFixed));
		788
		789	XRenderPictureAttributes pa;
		790	XRenderPictFormat *format = XRenderFindVisualFormat (dpy, visual);
		791
		792	pa.repeat = RepeatPad;
		793	Picture src = XRenderCreatePicture (dpy, pixmap, format, CPRepeat, &pa);
		794	Pixmap tmp = XCreatePixmap (dpy, pixmap, width, height, depth);
		795	Picture dst = XRenderCreatePicture (dpy, tmp, format, CPRepeat, &pa);
		796	XFreePixmap (dpy, tmp);
		797
		798	if (kernel && params)
		799	{
		800	size = h_blurRadius * 2 + 1;
		801	get_gaussian_kernel (h_blurRadius, size, kernel, params);
		802
		803	XRenderSetPictureFilter (dpy, src, FilterConvolution, params, size+2);
		804	XRenderComposite (dpy,
		805	PictOpSrc,
		806	src,
		807	None,
		808	dst,
		809	0, 0,
		810	0, 0,
		811	0, 0,
		812	width, height);
		813
		814	::swap (src, dst);
		815
		816	size = v_blurRadius * 2 + 1;
		817	get_gaussian_kernel (v_blurRadius, size, kernel, params);
		818	::swap (params[0], params[1]);
		819
		820	XRenderSetPictureFilter (dpy, src, FilterConvolution, params, size+2);
		821	XRenderComposite (dpy,
		822	PictOpSrc,
		823	src,
		824	None,
		825	dst,
		826	0, 0,
		827	0, 0,
		828	0, 0,
		829	width, height);
		830
		831	ret = true;
		832	}
		833
		834	free (kernel);
		835	free (params);
		836	XRenderFreePicture (dpy, src);
		837	XRenderFreePicture (dpy, dst);
		838	#endif
		839	return ret;
		840	}
		841
		842	bool
		843	rxvt_term::tint_pixmap (Pixmap pixmap, int width, int height)
		844	{
		845	bool ret = false;
		846
		847	if (shade == 100 && (bg_flags & BG_TINT_BITAND))
		848	{
		849	XGCValues gcv;
		850	GC gc;
		851
		852	/* In this case we can tint image server-side getting significant
		853	* performance improvements, as we eliminate XImage transfer
987	{	854	*/
988	flags \|= bgPixmap_t::tintNeeded;	855	gcv.foreground = Pixel (tint);
		856	gcv.function = GXand;
		857	gcv.fill_style = FillSolid;
		858	gc = XCreateGC (dpy, pixmap, GCFillStyle \| GCForeground \| GCFunction, &gcv);
		859	if (gc)
		860	{
		861	XFillRectangle (dpy, pixmap, gc, 0, 0, width, height);
		862	ret = true;
		863	XFreeGC (dpy, gc);
989	}	864	}
990	}	865	}
991		866	# if XRENDER
992	if (flags & bgPixmap_t::tintNeeded)	867	else if (bg_flags & BG_HAS_RENDER)
993	{	868	{
994	if (flags & bgPixmap_t::tintWholesome)	869	rgba c (rgba::MAX_CC, rgba::MAX_CC, rgba::MAX_CC);
995	flags \|= bgPixmap_t::tintServerSide;	870
		871	if (bg_flags & BG_TINT_SET)
		872	tint.get (c);
		873
		874	if (shade <= 100)
		875	{
		876	c.r = c.r * shade / 100;
		877	c.g = c.g * shade / 100;
		878	c.b = c.b * shade / 100;
		879	}
996	else	880	else
997	{	881	{
998	#if XFT	882	c.r = c.r * (200 - shade) / 100;
999	flags \|= bgPixmap_t::tintServerSide;	883	c.g = c.g * (200 - shade) / 100;
1000	#endif	884	c.b = c.b * (200 - shade) / 100;
1001	}	885	}
1002	}
1003		886
1004	return flags;	887	XRenderPictFormat *format = XRenderFindVisualFormat (dpy, visual);
1005	}
1006		888
1007	bool	889	Picture back_pic = XRenderCreatePicture (dpy, pixmap, format, 0, 0);
1008	bgPixmap_t::set_tint (rxvt_color &new_tint)	890
1009	{	891	Picture overlay_pic = create_xrender_mask (dpy, pixmap, True, False);
1010	if (tint != new_tint)	892
1011	{	893	Picture mask_pic = create_xrender_mask (dpy, pixmap, True, True);
1012	unsigned long new_flags = compute_tint_shade_flags (&new_tint, shade);	894
1013	tint = new_tint;	895	XRenderColor mask_c;
1014	flags = (flags & ~tintFlags) \| new_flags \| tintSet;	896
		897	mask_c.alpha = 0xffff;
		898	mask_c.red =
		899	mask_c.green =
		900	mask_c.blue = 0;
		901	XRenderFillRectangle (dpy, PictOpSrc, overlay_pic, &mask_c, 0, 0, 1, 1);
		902
		903	mask_c.alpha = 0;
		904	mask_c.red = 0xffff - c.r;
		905	mask_c.green = 0xffff - c.g;
		906	mask_c.blue = 0xffff - c.b;
		907	XRenderFillRectangle (dpy, PictOpSrc, mask_pic, &mask_c, 0, 0, 1, 1);
		908
		909	XRenderComposite (dpy, PictOpOver, overlay_pic, mask_pic, back_pic, 0, 0, 0, 0, 0, 0, width, height);
		910
		911	if (shade > 100)
		912	{
		913	mask_c.alpha = 0;
		914	mask_c.red =
		915	mask_c.green =
		916	mask_c.blue = 0xffff * (shade - 100) / 100;
		917	XRenderFillRectangle (dpy, PictOpSrc, overlay_pic, &mask_c, 0, 0, 1, 1);
		918
		919	XRenderComposite (dpy, PictOpOver, overlay_pic, None, back_pic, 0, 0, 0, 0, 0, 0, width, height);
		920	}
		921
1015	return true;	922	ret = true;
1016	}
1017		923
1018	return false;	924	XRenderFreePicture (dpy, mask_pic);
1019	}	925	XRenderFreePicture (dpy, overlay_pic);
1020		926	XRenderFreePicture (dpy, back_pic);
1021	bool
1022	bgPixmap_t::unset_tint ()
1023	{
1024	unsigned long new_flags = compute_tint_shade_flags (NULL, shade);
1025
1026	if (new_flags != (flags & tintFlags))
1027	{	927	}
1028	flags = (flags & ~tintFlags) \| new_flags;	928	# endif
1029	return true;
1030	}
1031		929
1032	return false;	930	return ret;
1033	}	931	}
1034		932
1035	bool	933	/*
1036	bgPixmap_t::set_shade (const char *shade_str)	934	* Builds a pixmap of the same size as the terminal window that contains
1037	{
1038	int new_shade = (shade_str) ? atoi (shade_str) : 0;
1039
1040	if (new_shade < 0 && new_shade > -100)
1041	new_shade = 200 - (100 + new_shade);
1042	else if (new_shade == 100)
1043	new_shade = 0;
1044
1045	if (new_shade != shade)
1046	{
1047	unsigned long new_flags = compute_tint_shade_flags ((flags & tintSet) ? &tint : NULL, new_shade);
1048	shade = new_shade;
1049	flags = (flags & (~tintFlags \| tintSet)) \| new_flags;
1050	return true;
1051	}
1052
1053	return false;
1054	}
1055
1056	/* make_transparency_pixmap()
1057	* Builds a pixmap sized the same as terminal window, with depth same as the root window
1058	* that pixmap contains tiled portion of the root pixmap that is supposed to be covered by	935	* the tiled portion of the root pixmap that is supposed to be covered by
1059	* our window.	936	* our window.
1060	*/	937	*/
1061	unsigned long	938	bool
1062	bgPixmap_t::make_transparency_pixmap ()	939	rxvt_term::make_transparency_pixmap ()
1063	{	940	{
1064	unsigned long result = 0;	941	bool ret = false;
1065
1066	if (target == NULL)
1067	return 0;
1068		942
1069	/* root dimensions may change from call to call - but Display structure should	943	/* root dimensions may change from call to call - but Display structure should
1070	* be always up-to-date, so let's use it :	944	* be always up-to-date, so let's use it :
1071	*/	945	*/
1072	Window root = target->display->root;
1073	int screen = target->display->screen;	946	int screen = display->screen;
1074	Display *dpy = target->dpy;	947	int root_depth = DefaultDepth (dpy, screen);
1075	int root_width = DisplayWidth (dpy, screen);	948	int root_width = DisplayWidth (dpy, screen);
1076	int root_height = DisplayHeight (dpy, screen);	949	int root_height = DisplayHeight (dpy, screen);
1077	unsigned int root_pmap_width, root_pmap_height;	950	unsigned int root_pmap_width, root_pmap_height;
1078	int window_width = target->szHint.width;	951	int window_width = szHint.width;
1079	int window_height = target->szHint.height;	952	int window_height = szHint.height;
1080	int sx, sy;	953	int sx, sy;
1081	XGCValues gcv;	954	XGCValues gcv;
		955	GC gc;
1082		956
1083	TIMING_TEST_START (tp);	957	sx = target_x;
1084	target->get_window_origin (sx, sy);	958	sy = target_y;
1085		959
1086	/* check if we are outside of the visible part of the virtual screen : */	960	/* check if we are outside of the visible part of the virtual screen : */
1087	if (sx + window_width <= 0 \|\| sy + window_height <= 0	961	if (sx + window_width <= 0 \|\| sy + window_height <= 0
1088	\|\| sx >= root_width \|\| sy >= root_height)	962	\|\| sx >= root_width \|\| sy >= root_height)
1089	return 0;	963	return 0;
1090		964
		965	// validate root pixmap and get its size
1091	if (root_pixmap != None)	966	if (root_pixmap != None)
1092	{	967	{
1093	/* we want to validate the pixmap and get it's size at the same time : */	968	Window wdummy;
1094	int junk;	969	int idummy;
1095	unsigned int ujunk;	970	unsigned int udummy;
1096	/* root pixmap may be bad - allow a error */	971
1097	target->allowedxerror = -1;	972	allowedxerror = -1;
1098		973
1099	if (!XGetGeometry (dpy, root_pixmap, &root, &junk, &junk, &root_pmap_width, &root_pmap_height, &ujunk, &ujunk))	974	if (!XGetGeometry (dpy, root_pixmap, &wdummy, &idummy, &idummy, &root_pmap_width, &root_pmap_height, &udummy, &udummy))
1100	root_pixmap = None;	975	root_pixmap = None;
1101		976
1102	target->allowedxerror = 0;	977	allowedxerror = 0;
1103	}
1104
1105	Pixmap tiled_root_pmap = XCreatePixmap (dpy, root, window_width, window_height, root_depth);
1106	GC gc = NULL;
1107
1108	if (tiled_root_pmap == None) /* something really bad happened - abort */
1109	return 0;
1110
1111	if (root_pixmap == None)
1112	{	978	}
1113	/* use tricks to obtain the root background image :*/
1114	/* we want to create Overrideredirect window overlapping out window
1115	with background type of Parent Relative and then grab it */
1116	XSetWindowAttributes attr;
1117	Window src;
1118	bool success = false;
1119		979
1120	attr.background_pixmap = ParentRelative;	980	Pixmap recoded_root_pmap = root_pixmap;
1121	attr.backing_store = Always;
1122	attr.event_mask = ExposureMask;
1123	attr.override_redirect = True;
1124	src = XCreateWindow (dpy, root, sx, sy, window_width, window_height, 0,
1125	CopyFromParent, CopyFromParent, CopyFromParent,
1126	CWBackPixmap\|CWBackingStore\|CWOverrideRedirect\|CWEventMask,
1127	&attr);
1128		981
1129	if (src != None)	982	if (root_pixmap != None && root_depth != depth)
1130	{	983	{
1131	XEvent event;	984	#if XRENDER
1132	int ev_count = 0;	985	if (bg_flags & BG_HAS_RENDER)
1133	XGrabServer (dpy);
1134	XMapRaised (dpy, src);
1135	XSync (dpy, False);
1136
1137	/* XSync should get window where it's properly exposed,
1138	* but to be on the safe side - let's check for the actual event to arrive : */
1139	while (XCheckWindowEvent (dpy, src, ExposureMask, &event))
1140	++ev_count;
1141
1142	if (ev_count > 0);
1143	{
1144	/* hooray! - we can grab the image! */
1145	gc = XCreateGC (dpy, root, 0, NULL);
1146	if (gc)
1147	{
1148	XCopyArea (dpy, src, tiled_root_pmap, gc, 0, 0, window_width, window_height, 0, 0);
1149	success = true;
1150	}
1151	}
1152
1153	XDestroyWindow (dpy, src);
1154	XUngrabServer (dpy);
1155	//fprintf (stderr, "%s:%d: ev_count = %d\n", __FUNCTION__, __LINE__, ev_count);
1156	}	986	{
		987	recoded_root_pmap = XCreatePixmap (dpy, vt, root_pmap_width, root_pmap_height, depth);
1157		988
1158	if (!success)	989	XRenderPictFormat *src_format = XRenderFindVisualFormat (dpy, DefaultVisual (dpy, screen));
1159	{	990	Picture src = XRenderCreatePicture (dpy, root_pixmap, src_format, 0, 0);
1160	XFreePixmap (dpy, tiled_root_pmap);	991
1161	tiled_root_pmap = None;	992	XRenderPictFormat *dst_format = XRenderFindVisualFormat (dpy, visual);
		993	Picture dst = XRenderCreatePicture (dpy, recoded_root_pmap, dst_format, 0, 0);
		994
		995	XRenderComposite (dpy, PictOpSrc, src, None, dst, 0, 0, 0, 0, 0, 0, root_pmap_width, root_pmap_height);
		996
		997	XRenderFreePicture (dpy, src);
		998	XRenderFreePicture (dpy, dst);
1162	}	999	}
1163	else	1000	else
1164	result \|= transpPmapTiled;	1001	#endif
1165	}	1002	recoded_root_pmap = None;
1166	else
1167	{	1003	}
		1004
		1005	if (recoded_root_pmap == None)
		1006	return 0;
		1007
		1008	if (bg_pixmap == None
		1009	\|\| bg_pmap_width != window_width
		1010	\|\| bg_pmap_height != window_height)
		1011	{
		1012	if (bg_pixmap)
		1013	XFreePixmap (dpy, bg_pixmap);
		1014	bg_pixmap = XCreatePixmap (dpy, vt, window_width, window_height, depth);
		1015	bg_pmap_width = window_width;
		1016	bg_pmap_height = window_height;
		1017	}
		1018
1168	/* straightforward pixmap copy */	1019	/* straightforward pixmap copy */
		1020	while (sx < 0) sx += root_pmap_width;
		1021	while (sy < 0) sy += root_pmap_height;
		1022
1169	gcv.tile = root_pixmap;	1023	gcv.tile = recoded_root_pmap;
1170	gcv.fill_style = FillTiled;	1024	gcv.fill_style = FillTiled;
1171
1172	while (sx < 0) sx += (int)root_width;
1173	while (sy < 0) sy += (int)root_height;
1174
1175	gcv.ts_x_origin = -sx;	1025	gcv.ts_x_origin = -sx;
1176	gcv.ts_y_origin = -sy;	1026	gcv.ts_y_origin = -sy;
1177	gc = XCreateGC (dpy, root, GCFillStyle \| GCTile \| GCTileStipXOrigin \| GCTileStipYOrigin, &gcv);	1027	gc = XCreateGC (dpy, vt, GCFillStyle \| GCTile \| GCTileStipXOrigin \| GCTileStipYOrigin, &gcv);
1178		1028
1179	if (gc)	1029	if (gc)
1180	{	1030	{
1181	XFillRectangle (dpy, tiled_root_pmap, gc, 0, 0, window_width, window_height);	1031	XFillRectangle (dpy, bg_pixmap, gc, 0, 0, window_width, window_height);
1182	result \|= transpPmapTiled;	1032	ret = true;
		1033	bool need_blur = h_blurRadius && v_blurRadius;
		1034	bool need_tint = shade != 100 \|\| (bg_flags & BG_TINT_SET);
		1035
		1036	if (!(bg_flags & BG_CLIENT_RENDER))
		1037	{
		1038	if (need_blur)
		1039	{
		1040	if (blur_pixmap (bg_pixmap, window_width, window_height))
		1041	need_blur = false;
		1042	}
		1043	if (need_tint)
		1044	{
		1045	if (tint_pixmap (bg_pixmap, window_width, window_height))
		1046	need_tint = false;
		1047	}
		1048	if (need_tint)
		1049	{
		1050	XImage *ximage = XGetImage (dpy, bg_pixmap, 0, 0, bg_pmap_width, bg_pmap_height, AllPlanes, ZPixmap);
		1051	if (ximage)
		1052	{
		1053	/* our own client-side tinting */
		1054	tint_ximage (ximage);
		1055
		1056	XPutImage (dpy, bg_pixmap, gc, ximage, 0, 0, 0, 0, ximage->width, ximage->height);
		1057	XDestroyImage (ximage);
		1058	}
		1059	}
		1060	} /* server side rendering completed */
		1061
		1062	XFreeGC (dpy, gc);
		1063	}
		1064
		1065	if (recoded_root_pmap != root_pixmap)
		1066	XFreePixmap (dpy, recoded_root_pmap);
		1067
		1068	return ret;
		1069	}
		1070
		1071	void
		1072	rxvt_term::bg_set_root_pixmap ()
		1073	{
		1074	Pixmap new_root_pixmap = get_pixmap_property (xa[XA_XROOTPMAP_ID]);
		1075	if (new_root_pixmap == None)
		1076	new_root_pixmap = get_pixmap_property (xa[XA_ESETROOT_PMAP_ID]);
		1077
		1078	root_pixmap = new_root_pixmap;
		1079	}
		1080	# endif /* ENABLE_TRANSPARENCY */
		1081
		1082	bool
		1083	rxvt_term::bg_render ()
		1084	{
		1085	bg_invalidate ();
		1086	# ifdef ENABLE_TRANSPARENCY
		1087	if (bg_flags & BG_IS_TRANSPARENT)
		1088	{
		1089	/* we need to re-generate transparency pixmap in that case ! */
		1090	if (make_transparency_pixmap ())
		1091	bg_flags \|= BG_IS_VALID;
		1092	}
		1093	# endif
		1094
		1095	# ifdef BG_IMAGE_FROM_FILE
		1096	if (bg_image.flags & IM_IS_SET)
		1097	{
		1098	if (render_image (bg_image))
		1099	bg_flags \|= BG_IS_VALID;
		1100	}
		1101	# endif
		1102
		1103	if (!(bg_flags & BG_IS_VALID))
		1104	{
		1105	if (bg_pixmap != None)
		1106	{
		1107	XFreePixmap (dpy, bg_pixmap);
		1108	bg_pixmap = None;
1183	}	1109	}
1184	}	1110	}
1185	TIMING_TEST_PRINT_RESULT (tp);
1186		1111
1187	if (tiled_root_pmap != None)	1112	scr_recolour (false);
1188	{	1113	bg_flags \|= BG_NEEDS_REFRESH;
1189	if (!need_client_side_rendering ())
1190	{
1191	if ((flags & tintNeeded))
1192	{
1193	if (flags & tintWholesome)
1194	{
1195	/* In this case we can tint image server-side getting significant
1196	* performance improvements, as we eliminate XImage transfer
1197	*/
1198	gcv.foreground = Pixel (tint);
1199	gcv.function = GXand;
1200	gcv.fill_style = FillSolid;
1201	if (gc)
1202	XChangeGC (dpy, gc, GCFillStyle \| GCForeground \| GCFunction, &gcv);
1203	else
1204	gc = XCreateGC (dpy, root, GCFillStyle \| GCForeground \| GCFunction, &gcv);
1205	if (gc)
1206	{
1207	XFillRectangle (dpy, tiled_root_pmap, gc, 0, 0, window_width, window_height);
1208	result \|= transpPmapTinted;
1209	}
1210	}
1211	else
1212	{
1213	# if XFT
1214	Picture back_pic = 0;
1215	rgba c (rgba::MAX_CC,rgba::MAX_CC,rgba::MAX_CC);
1216		1114
1217	if (flags & tintSet)
1218	tint.get (c);
1219
1220	if (shade > 0 && shade < 100)
1221	{
1222	c.r = (c.r * shade) / 100;
1223	c.g = (c.g * shade) / 100;
1224	c.b = (c.b * shade) / 100;
1225	}
1226	else if (shade > 100 && shade < 200)
1227	{
1228	c.r = (c.r * (200 - shade)) / 100;
1229	c.g = (c.g * (200 - shade)) / 100;
1230	c.b = (c.b * (200 - shade)) / 100;
1231	}
1232
1233	XRenderPictFormat pf;
1234	pf.type = PictTypeDirect;
1235	pf.depth = 32;
1236	pf.direct.redMask = 0xff;
1237	pf.direct.greenMask = 0xff;
1238	pf.direct.blueMask = 0xff;
1239	pf.direct.alphaMask = 0xff;
1240
1241	XRenderPictFormat *solid_format = XRenderFindFormat (dpy,
1242	(PictFormatType\|
1243	PictFormatDepth\|
1244	PictFormatRedMask\|
1245	PictFormatGreenMask\|
1246	PictFormatBlueMask\|
1247	PictFormatAlphaMask),
1248	&pf,
1249	0);
1250	XRenderPictFormat *root_format = XRenderFindVisualFormat (dpy, DefaultVisualOfScreen (ScreenOfDisplay (dpy, target->display->screen)));
1251	XRenderPictureAttributes pa ;
1252
1253	back_pic = XRenderCreatePicture (dpy, tiled_root_pmap, root_format, 0, &pa);
1254
1255	pa.repeat = True;
1256
1257	Pixmap overlay_pmap = XCreatePixmap (dpy, root, 1, 1, 32);
1258	Picture overlay_pic = XRenderCreatePicture (dpy, overlay_pmap, solid_format, CPRepeat, &pa);
1259	XFreePixmap (dpy, overlay_pmap);
1260
1261	pa.component_alpha = True;
1262	Pixmap mask_pmap = XCreatePixmap (dpy, root, 1, 1, 32);
1263	Picture mask_pic = XRenderCreatePicture (dpy, mask_pmap, solid_format, CPRepeat\|CPComponentAlpha, &pa);
1264	XFreePixmap (dpy, mask_pmap);
1265
1266	if (mask_pic && overlay_pic && back_pic)
1267	{
1268	XRenderColor mask_c;
1269
1270	memset (&mask_c, (shade > 100) ? 0xFF : 0x0, sizeof (mask_c));
1271	mask_c.alpha = 0xffff;
1272	XRenderFillRectangle (dpy, PictOpSrc, overlay_pic, &mask_c, 0, 0, 1, 1);
1273
1274	mask_c.alpha = 0;
1275	mask_c.red = 0xffff - c.r;
1276	mask_c.green = 0xffff - c.g;
1277	mask_c.blue = 0xffff - c.b;
1278	XRenderFillRectangle (dpy, PictOpSrc, mask_pic, &mask_c, 0, 0, 1, 1);
1279	XRenderComposite (dpy, PictOpOver, overlay_pic, mask_pic, back_pic, 0, 0, 0, 0, 0, 0, window_width, window_height);
1280	result \|= transpPmapTinted;
1281	}
1282
1283	XRenderFreePicture (dpy, mask_pic);
1284	XRenderFreePicture (dpy, overlay_pic);
1285	XRenderFreePicture (dpy, back_pic);
1286	# if DO_TIMING_TEST
1287	XSync (dpy, False);
1288	# endif
1289	# endif
1290	}
1291	}
1292	} /* server side rendering completed */
1293
1294	if (pixmap)
1295	XFreePixmap (dpy, pixmap);
1296
1297	pixmap = tiled_root_pmap;
1298	pmap_width = window_width;
1299	pmap_height = window_height;
1300	pmap_depth = root_depth;
1301	}
1302
1303	if (gc)
1304	XFreeGC (dpy, gc);
1305
1306	TIMING_TEST_PRINT_RESULT (tp);
1307
1308	return result;
1309	}
1310
1311	bool
1312	bgPixmap_t::set_root_pixmap ()
1313	{
1314	Pixmap new_root_pixmap = target->get_pixmap_property (XA_XROOTPMAP_ID);
1315	if (new_root_pixmap == None)
1316	new_root_pixmap = target->get_pixmap_property (XA_ESETROOT_PMAP_ID);
1317
1318	if (new_root_pixmap != root_pixmap)
1319	{
1320	root_pixmap = new_root_pixmap;
1321	return true;
1322	}
1323
1324	return false;
1325	}
1326	# endif /* ENABLE_TRANSPARENCY */
1327
1328	# ifndef HAVE_AFTERIMAGE
1329	static void ShadeXImage(rxvt_term term, XImage srcImage, int shade, int rm, int gm, int bm);
1330	# endif
1331
1332	bool
1333	bgPixmap_t::render ()
1334	{
1335	unsigned long background_flags = 0;
1336
1337	if (target == NULL)
1338	return false;
1339
1340	TIMING_TEST_START (tp);
1341
1342	invalidate ();
1343	# ifdef ENABLE_TRANSPARENCY
1344	if (flags & isTransparent)
1345	{
1346	/* we need to re-generate transparency pixmap in that case ! */
1347	background_flags = make_transparency_pixmap ();
1348	if (background_flags == 0)
1349	return false;
1350	else if ((background_flags & transpTransformations) == (flags & transpTransformations)
1351	&& pmap_depth == target->depth)
1352	flags = flags & ~isInvalid;
1353	}
1354	# endif
1355
1356	# ifdef BG_IMAGE_FROM_FILE
1357	if (have_image
1358	\|\| (background_flags & transpTransformations) != (flags & transpTransformations))
1359	{
1360	if (render_image (background_flags))
1361	flags = flags & ~isInvalid;
1362	}
1363	# endif
1364
1365	XImage *result = NULL;
1366
1367	if (background_flags && (flags & isInvalid))
1368	{
1369	result = XGetImage (target->dpy, pixmap, 0, 0, pmap_width, pmap_height, AllPlanes, ZPixmap);
1370	}
1371
1372	if (result)
1373	{
1374	# if !defined(HAVE_AFTERIMAGE) && !XFT
1375	/* our own client-side tinting */
1376	/* ATTENTION: We ASSUME that XFT will let us do all the tinting necessary server-side.
1377	This may need to be changed in need_client_side_rendering() logic is altered !!! */
1378	if (!(background_flags & transpPmapTinted) && (flags & tintNeeded))
1379	{
1380	rgba c (rgba::MAX_CC,rgba::MAX_CC,rgba::MAX_CC);
1381	if (flags & tintSet)
1382	tint.get (c);
1383	ShadeXImage (target, result, shade, c.r, c.g, c.b);
1384	}
1385	# endif
1386
1387	GC gc = XCreateGC (target->dpy, target->vt, 0UL, NULL);
1388
1389	if (gc)
1390	{
1391	if (/pmap_depth != target->depth &&/ pixmap != None)
1392	{
1393	XFreePixmap (target->dpy, pixmap);
1394	pixmap = None;
1395	}
1396
1397	if (pixmap == None)
1398	{
1399	pixmap = XCreatePixmap (target->dpy, target->vt, result->width, result->height, target->depth);
1400	pmap_width = result->width;
1401	pmap_height = result->height;
1402	pmap_depth = target->depth;
1403	}
1404
1405	if (pmap_depth != result->depth)
1406	{
1407	/* Bad Match error will ensue ! stupid X !!!! */
1408	if (result->depth == 24 && pmap_depth == 32)
1409	result->depth = 32;
1410	else if (result->depth == 32 && pmap_depth == 24)
1411	result->depth = 24;
1412	else
1413	{
1414	/* TODO: implement image recoding */
1415	}
1416	}
1417
1418	if (pmap_depth == result->depth)
1419	XPutImage (target->dpy, pixmap, gc, result, 0, 0, 0, 0, result->width, result->height);
1420
1421	XFreeGC (target->dpy, gc);
1422	flags = flags & ~isInvalid;
1423	}
1424
1425	XDestroyImage (result);
1426	}
1427
1428	if (flags & isInvalid)
1429	{
1430	if (pixmap != None)
1431	{
1432	XFreePixmap (target->dpy, pixmap);
1433	pixmap = None;
1434	}
1435	}
1436
1437	apply ();
1438
1439	XSync (target->dpy, False);
1440	valid_since = ev::now ();	1115	bg_valid_since = ev::now ();
1441
1442	TIMING_TEST_PRINT_RESULT (tp);
1443		1116
1444	return true;	1117	return true;
1445	}	1118	}
1446		1119
1447	bool
1448	bgPixmap_t::set_target (rxvt_term *new_target)
1449	{
1450	if (new_target)
1451	if (target != new_target)
1452	{
1453	target = new_target;
1454	# ifdef ENABLE_TRANSPARENCY
1455	root_depth = DefaultDepthOfScreen (ScreenOfDisplay (target->dpy, target->display->screen));
1456	# endif
1457	return true;
1458	}
1459
1460	return false;
1461	}
1462
1463	void	1120	void
1464	bgPixmap_t::apply ()	1121	rxvt_term::bg_init ()
1465	{	1122	{
1466	if (target)
1467	{
1468	flags &= ~isVtOrigin;
1469
1470	if (pixmap != None)
1471	{
1472	/* set target's background to pixmap */
1473	# ifdef ENABLE_TRANSPARENCY	1123	#ifdef ENABLE_TRANSPARENCY
1474	if (flags & isTransparent)	1124	shade = 100;
1475	{
1476	XSetWindowBackgroundPixmap (target->dpy, target->parent[0], pixmap);
1477	XSetWindowBackgroundPixmap (target->dpy, target->vt, ParentRelative);
1478
1479	if (target->scrollBar.win)
1480	XSetWindowBackgroundPixmap (target->dpy, target->scrollBar.win, ParentRelative);
1481	}
1482	else
1483	# endif	1125	#endif
1484	{
1485	flags \|= isVtOrigin;
1486	/* force old pixmap dereference in case it was transparent before :*/
1487	XSetWindowBackground (target->dpy, target->parent[0], target->pix_colors[Color_border]);
1488	XSetWindowBackgroundPixmap (target->dpy, target->vt, pixmap);
1489	/* do we also need to set scrollbar's background here ? */
1490		1126
1491	if (target->scrollBar.win)	1127	bg_flags &= ~(BG_HAS_RENDER \| BG_HAS_RENDER_CONV);
1492	XSetWindowBackground (target->dpy, target->scrollBar.win, target->pix_colors[Color_border]);	1128	#if XRENDER
1493	}	1129	int major, minor;
1494	}	1130	if (XRenderQueryVersion (dpy, &major, &minor))
1495	else	1131	bg_flags \|= BG_HAS_RENDER;
1496	{	1132	XFilters *filters = XRenderQueryFilters (dpy, vt);
1497	/* set target background to a pixel */	1133	if (filters)
1498	XSetWindowBackground (target->dpy, target->parent[0], target->pix_colors[Color_border]);
1499	XSetWindowBackground (target->dpy, target->vt, target->pix_colors[Color_bg]);
1500	/* do we also need to set scrollbar's background here ? */
1501	if (target->scrollBar.win)
1502	XSetWindowBackground (target->dpy, target->scrollBar.win, target->pix_colors[Color_border]);
1503	}
1504
1505	/* don't want Expose on the parent or vt. It is better to use
1506	scr_touch or we get a great deal of flicker otherwise: */
1507	XClearWindow (target->dpy, target->parent[0]);
1508
1509	if (target->scrollBar.state && target->scrollBar.win)
1510	{
1511	target->scrollBar.state = STATE_IDLE;
1512	target->scrollBar.show (0);
1513	}
1514
1515	target->want_refresh = 1;
1516	flags \|= hasChanged;
1517	}	1134	{
		1135	for (int i = 0; i < filters->nfilter; i++)
		1136	if (!strcmp (filters->filter[i], FilterConvolution))
		1137	bg_flags \|= BG_HAS_RENDER_CONV;
		1138
		1139	XFree (filters);
		1140	}
		1141	#endif
1518	}	1142	}
1519		1143
1520	#endif /* HAVE_BG_PIXMAP */	1144	#endif /* HAVE_BG_PIXMAP */
1521		1145
1522	#if defined(ENABLE_TRANSPARENCY) && !defined(HAVE_AFTERIMAGE) && !XFT	1146	#ifdef ENABLE_TRANSPARENCY
1523	/* taken from aterm-0.4.2 */	1147	/* based on code from aterm-0.4.2 */
1524		1148
1525	typedef uint32_t RUINT32T;
1526
1527	static void	1149	static inline void
1528	ShadeXImage(rxvt_term term, XImage srcImage, int shade, int rm, int gm, int bm)	1150	fill_lut (uint32_t *lookup, uint32_t mask, int sh, unsigned short low, unsigned short high)
1529	{	1151	{
		1152	for (int i = 0; i <= mask >> sh; i++)
		1153	{
		1154	uint32_t tmp;
		1155	tmp = i * high;
		1156	tmp += (mask >> sh) * low;
		1157	lookup[i] = (tmp / 0xffff) << sh;
		1158	}
		1159	}
		1160
		1161	void
		1162	rxvt_term::tint_ximage (XImage *ximage)
		1163	{
		1164	unsigned int size_r, size_g, size_b;
1530	int sh_r, sh_g, sh_b;	1165	int sh_r, sh_g, sh_b;
1531	RUINT32T mask_r, mask_g, mask_b;	1166	uint32_t mask_r, mask_g, mask_b;
1532	RUINT32T lookup, lookup_r, lookup_g, lookup_b;	1167	uint32_t lookup, lookup_r, lookup_g, lookup_b;
1533	unsigned int lower_lim_r, lower_lim_g, lower_lim_b;	1168	unsigned short low;
1534	unsigned int upper_lim_r, upper_lim_g, upper_lim_b;	1169	int host_byte_order = ecb_big_endian () ? MSBFirst : LSBFirst;
1535	int i;
1536		1170
1537	Visual *visual = term->visual;
1538
1539	if (visual->c_class != TrueColor \|\| srcImage->format != ZPixmap) return ;	1171	if (visual->c_class != TrueColor \|\| ximage->format != ZPixmap) return;
1540
1541	if (shade == 0)
1542	shade = 100;
1543		1172
1544	/* for convenience */	1173	/* for convenience */
1545	mask_r = visual->red_mask;	1174	mask_r = visual->red_mask;
1546	mask_g = visual->green_mask;	1175	mask_g = visual->green_mask;
1547	mask_b = visual->blue_mask;	1176	mask_b = visual->blue_mask;
1548		1177
1549	/* boring lookup table pre-initialization */	1178	/* boring lookup table pre-initialization */
1550	switch (srcImage->bits_per_pixel) {	1179	sh_r = ecb_ctz32 (mask_r);
1551	case 15:	1180	sh_g = ecb_ctz32 (mask_g);
1552	if ((mask_r != 0x7c00) \|\|	1181	sh_b = ecb_ctz32 (mask_b);
1553	(mask_g != 0x03e0) \|\|	1182
1554	(mask_b != 0x001f))	1183	size_r = mask_r >> sh_r;
		1184	size_g = mask_g >> sh_g;
		1185	size_b = mask_b >> sh_b;
		1186
		1187	if (size_r++ > 255 \|\| size_g++ > 255 \|\| size_b++ > 255)
1555	return;	1188	return;
1556	lookup = (RUINT32T ) malloc (sizeof (RUINT32T)(32+32+32));	1189
		1190	lookup = (uint32_t )malloc (sizeof (uint32_t) (size_r + size_g + size_b));
1557	lookup_r = lookup;	1191	lookup_r = lookup;
1558	lookup_g = lookup+32;	1192	lookup_g = lookup + size_r;
1559	lookup_b = lookup+32+32;	1193	lookup_b = lookup + size_r + size_g;
1560	sh_r = 10;	1194
1561	sh_g = 5;	1195	rgba c (rgba::MAX_CC, rgba::MAX_CC, rgba::MAX_CC);
1562	sh_b = 0;	1196
1563	break;	1197	if (bg_flags & BG_TINT_SET)
1564	case 16:	1198	tint.get (c);
1565	if ((mask_r != 0xf800) \|\|
1566	(mask_g != 0x07e0) \|\|
1567	(mask_b != 0x001f))
1568	return;
1569	lookup = (RUINT32T ) malloc (sizeof (RUINT32T)(32+64+32));
1570	lookup_r = lookup;
1571	lookup_g = lookup+32;
1572	lookup_b = lookup+32+64;
1573	sh_r = 11;
1574	sh_g = 5;
1575	sh_b = 0;
1576	break;
1577	case 24:
1578	if ((mask_r != 0xff0000) \|\|
1579	(mask_g != 0x00ff00) \|\|
1580	(mask_b != 0x0000ff))
1581	return;
1582	lookup = (RUINT32T ) malloc (sizeof (RUINT32T)(256+256+256));
1583	lookup_r = lookup;
1584	lookup_g = lookup+256;
1585	lookup_b = lookup+256+256;
1586	sh_r = 16;
1587	sh_g = 8;
1588	sh_b = 0;
1589	break;
1590	case 32:
1591	if ((mask_r != 0xff0000) \|\|
1592	(mask_g != 0x00ff00) \|\|
1593	(mask_b != 0x0000ff))
1594	return;
1595	lookup = (RUINT32T ) malloc (sizeof (RUINT32T)(256+256+256));
1596	lookup_r = lookup;
1597	lookup_g = lookup+256;
1598	lookup_b = lookup+256+256;
1599	sh_r = 16;
1600	sh_g = 8;
1601	sh_b = 0;
1602	break;
1603	default:
1604	return; /* we do not support this color depth */
1605	}
1606		1199
1607	/* prepare limits for color transformation (each channel is handled separately) */	1200	/* prepare limits for color transformation (each channel is handled separately) */
1608	if (shade < 0) {	1201	if (shade > 100)
1609	shade = -shade;
1610	if (shade < 0) shade = 0;
1611	if (shade > 100) shade = 100;
1612
1613	lower_lim_r = 65535-rm;
1614	lower_lim_g = 65535-gm;
1615	lower_lim_b = 65535-bm;
1616
1617	lower_lim_r = 65535-(unsigned int)(((RUINT32T)lower_lim_r)*((RUINT32T)shade)/100);
1618	lower_lim_g = 65535-(unsigned int)(((RUINT32T)lower_lim_g)*((RUINT32T)shade)/100);
1619	lower_lim_b = 65535-(unsigned int)(((RUINT32T)lower_lim_b)*((RUINT32T)shade)/100);
1620
1621	upper_lim_r = upper_lim_g = upper_lim_b = 65535;
1622	} else {
1623	if (shade < 0) shade = 0;
1624	if (shade > 100) shade = 100;
1625
1626	lower_lim_r = lower_lim_g = lower_lim_b = 0;
1627
1628	upper_lim_r = (unsigned int)((((RUINT32T)rm)*((RUINT32T)shade))/100);
1629	upper_lim_g = (unsigned int)((((RUINT32T)gm)*((RUINT32T)shade))/100);
1630	upper_lim_b = (unsigned int)((((RUINT32T)bm)*((RUINT32T)shade))/100);
1631	}
1632
1633	/* switch red and blue bytes if necessary, we need it for some weird XServers like XFree86 3.3.3.1 */
1634	if ((srcImage->bits_per_pixel == 24) && (mask_r >= 0xFF0000 ))
1635	{	1202	{
1636	unsigned int tmp;	1203	c.r = c.r * (200 - shade) / 100;
		1204	c.g = c.g * (200 - shade) / 100;
		1205	c.b = c.b * (200 - shade) / 100;
1637		1206
1638	tmp = lower_lim_r;	1207	low = 0xffff * (shade - 100) / 100;
1639	lower_lim_r = lower_lim_b;
1640	lower_lim_b = tmp;
1641
1642	tmp = upper_lim_r;
1643	upper_lim_r = upper_lim_b;
1644	upper_lim_b = tmp;
1645	}	1208	}
		1209	else
		1210	{
		1211	c.r = c.r * shade / 100;
		1212	c.g = c.g * shade / 100;
		1213	c.b = c.b * shade / 100;
		1214
		1215	low = 0;
		1216	}
1646		1217
1647	/* fill our lookup tables */	1218	/* fill our lookup tables */
1648	for (i = 0; i <= mask_r>>sh_r; i++)	1219	fill_lut (lookup_r, mask_r, sh_r, low, c.r);
1649	{	1220	fill_lut (lookup_g, mask_g, sh_g, low, c.g);
1650	RUINT32T tmp;	1221	fill_lut (lookup_b, mask_b, sh_b, low, c.b);
1651	tmp = ((RUINT32T)i)*((RUINT32T)(upper_lim_r-lower_lim_r));
1652	tmp += ((RUINT32T)(mask_r>>sh_r))*((RUINT32T)lower_lim_r);
1653	lookup_r[i] = (tmp/65535)<<sh_r;
1654	}
1655	for (i = 0; i <= mask_g>>sh_g; i++)
1656	{
1657	RUINT32T tmp;
1658	tmp = ((RUINT32T)i)*((RUINT32T)(upper_lim_g-lower_lim_g));
1659	tmp += ((RUINT32T)(mask_g>>sh_g))*((RUINT32T)lower_lim_g);
1660	lookup_g[i] = (tmp/65535)<<sh_g;
1661	}
1662	for (i = 0; i <= mask_b>>sh_b; i++)
1663	{
1664	RUINT32T tmp;
1665	tmp = ((RUINT32T)i)*((RUINT32T)(upper_lim_b-lower_lim_b));
1666	tmp += ((RUINT32T)(mask_b>>sh_b))*((RUINT32T)lower_lim_b);
1667	lookup_b[i] = (tmp/65535)<<sh_b;
1668	}
1669		1222
1670	/* apply table to input image (replacing colors by newly calculated ones) */	1223	/* apply table to input image (replacing colors by newly calculated ones) */
1671	switch (srcImage->bits_per_pixel)	1224	if (ximage->bits_per_pixel == 32
		1225	&& ximage->byte_order == host_byte_order)
1672	{	1226	{
1673	case 15:	1227	char *line = ximage->data;
1674	{	1228
1675	unsigned short p1, pf, p, pl;	1229	for (int y = 0; y < ximage->height; y++)
1676	p1 = (unsigned short *) srcImage->data;
1677	pf = (unsigned short ) (srcImage->data + srcImage->height srcImage->bytes_per_line);
1678	while (p1 < pf)
1679	{	1230	{
1680	p = p1;	1231	uint32_t p = (uint32_t )line;
1681	pl = p1 + srcImage->width;	1232	for (int x = 0; x < ximage->width; x++)
1682	for (; p < pl; p++)
1683	{	1233	{
1684	p = lookup_r[(p & 0x7c00)>>10] \|	1234	p = lookup_r[(p & mask_r) >> sh_r] \|
1685	lookup_g[(*p & 0x03e0)>> 5] \|	1235	lookup_g[(*p & mask_g) >> sh_g] \|
1686	lookup_b[(*p & 0x001f)];	1236	lookup_b[(*p & mask_b) >> sh_b];
		1237	p++;
		1238	}
		1239	line += ximage->bytes_per_line;
1687	}	1240	}
1688	p1 = (unsigned short ) ((char ) p1 + srcImage->bytes_per_line);
1689	}	1241	}
1690	break;	1242	else
1691	}
1692	case 16:
1693	{
1694	unsigned short p1, pf, p, pl;
1695	p1 = (unsigned short *) srcImage->data;
1696	pf = (unsigned short ) (srcImage->data + srcImage->height srcImage->bytes_per_line);
1697	while (p1 < pf)
1698	{	1243	{
1699	p = p1;	1244	for (int y = 0; y < ximage->height; y++)
1700	pl = p1 + srcImage->width;	1245	for (int x = 0; x < ximage->width; x++)
1701	for (; p < pl; p++)
1702	{	1246	{
1703	p = lookup_r[(p & 0xf800)>>11] \|	1247	unsigned long pixel = XGetPixel (ximage, x, y);
1704	lookup_g[(*p & 0x07e0)>> 5] \|	1248	pixel = lookup_r[(pixel & mask_r) >> sh_r] \|
1705	lookup_b[(*p & 0x001f)];	1249	lookup_g[(pixel & mask_g) >> sh_g] \|
		1250	lookup_b[(pixel & mask_b) >> sh_b];
		1251	XPutPixel (ximage, x, y, pixel);
1706	}	1252	}
1707	p1 = (unsigned short ) ((char ) p1 + srcImage->bytes_per_line);
1708	}	1253	}
1709	break;
1710	}
1711	case 24:
1712	{
1713	unsigned char p1, pf, p, pl;
1714	p1 = (unsigned char *) srcImage->data;
1715	pf = (unsigned char ) (srcImage->data + srcImage->height srcImage->bytes_per_line);
1716	while (p1 < pf)
1717	{
1718	p = p1;
1719	pl = p1 + srcImage->width * 3;
1720	for (; p < pl; p += 3)
1721	{
1722	p[0] = lookup_r[(p[0] & 0xff0000)>>16];
1723	p[1] = lookup_r[(p[1] & 0x00ff00)>> 8];
1724	p[2] = lookup_r[(p[2] & 0x0000ff)];
1725	}
1726	p1 = (unsigned char ) ((char ) p1 + srcImage->bytes_per_line);
1727	}
1728	break;
1729	}
1730	case 32:
1731	{
1732	RUINT32T p1, pf, p, pl;
1733	p1 = (RUINT32T *) srcImage->data;
1734	pf = (RUINT32T ) (srcImage->data + srcImage->height srcImage->bytes_per_line);
1735
1736	while (p1 < pf)
1737	{
1738	p = p1;
1739	pl = p1 + srcImage->width;
1740	for (; p < pl; p++)
1741	{
1742	p = lookup_r[(p & 0xff0000)>>16] \|
1743	lookup_g[(*p & 0x00ff00)>> 8] \|
1744	lookup_b[(*p & 0x0000ff)] \|
1745	(*p & ~0xffffff);
1746	}
1747	p1 = (RUINT32T ) ((char ) p1 + srcImage->bytes_per_line);
1748	}
1749	break;
1750	}
1751	}
1752		1254
1753	free (lookup);	1255	free (lookup);
1754	}	1256	}
1755	#endif /* defined(ENABLE_TRANSPARENCY) && !defined(HAVE_AFTERIMAGE) */	1257	#endif /* ENABLE_TRANSPARENCY */

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Comparing rxvt-unicode/src/background.C (file contents): Revision 1.62 by sf-exg, Sun Oct 3 21:44:13 2010 UTC vs. Revision 1.218 by sf-exg, Mon May 21 12:29:22 2012 UTC

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Comparing rxvt-unicode/src/background.C (file contents):
Revision 1.62 by sf-exg, Sun Oct 3 21:44:13 2010 UTC vs.
Revision 1.218 by sf-exg, Mon May 21 12:29:22 2012 UTC