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

Comparing rxvt-unicode/src/background.C (file contents):
Revision 1.65 by sf-exg, Mon Oct 4 20:45:45 2010 UTC vs.
Revision 1.211 by sf-exg, Sun May 13 15:28:44 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
119	if (original_asim)
120	safe_asimage_destroy (original_asim);
121	#endif
122
123	#ifdef HAVE_PIXBUF	63	#ifdef HAVE_PIXBUF
124	if (pixbuf)	64	if (pixbuf)
125	g_object_unref (pixbuf);	65	g_object_unref (pixbuf);
126	#endif	66	#endif
127		67
128	if (pixmap && target)	68	if (bg_pixmap)
129	XFreePixmap (target->dpy, pixmap);	69	XFreePixmap (dpy, bg_pixmap);
130	}	70	}
131		71
132	bool	72	bool
133	bgPixmap_t::window_size_sensitive ()	73	rxvt_term::bg_set_position (int x, int y)
		74	{
		75
		76	if (target_x != x
		77	\|\| target_y != y)
		78	{
		79	target_x = x;
		80	target_y = y;
		81	return true;
		82	}
		83	return false;
		84	}
		85
		86	bool
		87	rxvt_term::bg_window_size_sensitive ()
134	{	88	{
135	# ifdef ENABLE_TRANSPARENCY	89	# ifdef ENABLE_TRANSPARENCY
136	if (flags & isTransparent)	90	if (bg_flags & BG_IS_TRANSPARENT)
137	return true;	91	return true;
138	# endif	92	# endif
139		93
140	# ifdef BG_IMAGE_FROM_FILE	94	# ifdef BG_IMAGE_FROM_FILE
141	if (have_image)	95	if (bg_flags & BG_IS_FROM_FILE)
142	{	96	{
143	if (flags & sizeSensitive)	97	if (bg_flags & BG_IS_SIZE_SENSITIVE)
144	return true;	98	return true;
145	}	99	}
146	# endif	100	# endif
147		101
148	return false;	102	return false;
149	}	103	}
150		104
151	bool	105	bool
152	bgPixmap_t::window_position_sensitive ()	106	rxvt_term::bg_window_position_sensitive ()
153	{	107	{
154	# ifdef ENABLE_TRANSPARENCY	108	# ifdef ENABLE_TRANSPARENCY
155	if (flags & isTransparent)	109	if (bg_flags & BG_IS_TRANSPARENT)
156	return true;	110	return true;
157	# endif	111	# endif
158		112
159	# ifdef BG_IMAGE_FROM_FILE	113	# ifdef BG_IMAGE_FROM_FILE
160	if (have_image)	114	if (bg_flags & BG_IS_FROM_FILE)
161	{	115	{
162	if (flags & rootAlign)	116	if (bg_flags & BG_ROOT_ALIGN)
163	return true;	117	return true;
164	}	118	}
165	# endif	119	# endif
166		120
167	return false;	121	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	}	122	}
189		123
190	# ifdef BG_IMAGE_FROM_FILE	124	# 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 < -100)
213	new_value = -100;
214	else if (new_value > 200)
215	new_value = 200;
216	if (new_value != align)
217	{
218	align = new_value;
219	return true;
220	}
221	}
222	return false;
223	}
224
225	static inline int	125	static inline int
226	make_align_position (int align, int window_size, int image_size)	126	make_align_position (int align, int window_size, int image_size)
227	{	127	{
228	int diff = window_size - image_size;
229	int smaller = min (image_size, window_size);
230
231	if (align >= 0 && align <= 50)	128	if (align >= 0 && align <= 100)
232	return diff * align / 100;	129	return lerp (0, window_size - image_size, align);
233	else if (align > 50 && align <= 100)	130	else if (align > 100)
234	return window_size - image_size - diff * (100 - align) / 100;	131	return lerp (window_size - image_size, window_size, align - 100);
235	else if (align > 100 && align <= 200 )	132	else
236	return ((align - 100) * smaller / 100) + window_size - smaller;	133	return lerp (-image_size, 0, align + 100);
237	else if (align >= -100 && align < 0)
238	return ((align + 100) * smaller / 100) - image_size;
239	return 0;
240	}	134	}
241		135
242	static inline int	136	static inline int
243	make_clip_rectangle (int pos, int size, int target_size, int &dst_pos, int &dst_size)	137	make_clip_rectangle (int pos, int size, int target_size, int &dst_pos, int &dst_size)
244	{	138	{
245	int src_pos = 0;	139	int src_pos = 0;
246	dst_pos = 0;	140	dst_pos = pos;
247	dst_size = size;	141	dst_size = size;
248	if (pos < 0)	142	if (pos < 0)
249	{	143	{
250	src_pos = -pos;	144	src_pos = -pos;
		145	dst_pos = 0;
251	dst_size += pos;	146	dst_size += pos;
252	}	147	}
253	else if (pos > 0)
254	dst_pos = pos;
255		148
256	if (dst_pos + dst_size > target_size)
257	dst_size = target_size - dst_pos;	149	min_it (dst_size, target_size - dst_pos);
258	return src_pos;	150	return src_pos;
259	}	151	}
260		152
261	bool	153	bool
262	bgPixmap_t::set_geometry (const char *geom)	154	rxvt_term::bg_set_geometry (const char *geom, bool update)
263	{	155	{
		156	bool changed = false;
264	int geom_flags = 0, changed = 0;	157	int geom_flags = 0;
265	int x = 0, y = 0;	158	int x = h_align;
		159	int y = v_align;
266	unsigned int w = 0, h = 0;	160	unsigned int w = h_scale;
267	unsigned int n;	161	unsigned int h = v_scale;
268	unsigned long new_flags = (flags & (~geometryFlags));	162	unsigned long new_flags = 0;
269	const char *p;
270	# define MAXLEN_GEOM 256 /* could be longer than regular geometry string */
271		163
272	if (geom == NULL)	164	if (geom == NULL)
273	return false;	165	return false;
274		166
275	char str[MAXLEN_GEOM];	167	if (geom[0])
276
277	while (isspace(*geom)) ++geom;
278	if ((p = strchr (geom, ';')) == NULL)
279	p = strchr (geom, '\0');
280
281	n = (p - geom);
282	if (n < MAXLEN_GEOM)
283	{	168	{
284	char *ops;	169	char **arr = rxvt_strsplit (':', geom);
285	new_flags \|= geometrySet;
286		170
287	memcpy (str, geom, n);	171	for (int i = 0; arr[i]; i++)
288	str[n] = '\0';
289	if (str[0] == ':')
290	ops = &str[0];
291	else if (str[0] != 'x' && str[0] != 'X' && isalpha(str[0]))
292	ops = &str[0];
293	else
294	{
295	char *tmp;
296	ops = strchr (str, ':');
297	if (ops != NULL)
298	{	172	{
299	for (tmp = ops-1; tmp >= str && isspace(*tmp); --tmp);	173	if (!strcasecmp (arr[i], "style=tiled"))
300	*(++tmp) = '\0';
301	if (ops == tmp) ++ops;
302	}	174	{
303	}	175	new_flags = BG_TILE;
304
305	if (ops > str \|\| ops == NULL)
306	{
307	/* we have geometry string - let's handle it prior to applying ops */
308	geom_flags = XParseGeometry (str, &x, &y, &w, &h);
309
310	if ((geom_flags & XValue) && !(geom_flags & YValue))
311	{
312	y = x;
313	geom_flags \|= YValue;
314	}
315
316	if (flags & geometrySet)
317	{
318	/* new geometry is an adjustment to the old one ! */
319	if ((geom_flags & WidthValue) && (geom_flags & HeightValue))
320	{
321	if (w == 0 && h != 0)
322	{
323	w = h_scale;	176	w = h = noScale;
324	h = (v_scale * h) / 100;
325	}
326	else if (h == 0 && w != 0)
327	{
328	w = (h_scale * w) / 100;
329	h = v_scale;
330	}
331	}
332	if (geom_flags & XValue)
333	{
334	if (str[0] != '=')
335	{
336	y += v_align;
337	x += h_align;
338	}
339	}
340	}
341	else /* setting up geometry from scratch */
342	{
343	if (!(geom_flags & XValue))
344	{
345	/* use default geometry - centered */
346	x = y = defaultAlign;
347	}
348	else if (!(geom_flags & YValue))
349	y = x;	177	x = y = 0;
350
351	if ((geom_flags & (WidthValue\|HeightValue)) == 0)
352	{
353	/* use default geometry - scaled */
354	w = h = defaultScale;
355	}
356	else if (geom_flags & WidthValue)
357	{
358	if (!(geom_flags & HeightValue))
359	h = w;
360	}
361	else
362	w = h;
363	}
364	} /* done parsing geometry string */
365	else if (!(flags & geometrySet))
366	{
367	/* default geometry - scaled and centered */
368	x = y = defaultAlign;
369	w = h = defaultScale;
370	}
371
372	if (!(flags & geometrySet))
373	geom_flags \|= WidthValue\|HeightValue\|XValue\|YValue;	178	geom_flags = WidthValue\|HeightValue\|XValue\|YValue;
374
375	if (ops)
376	{
377	while (*ops)
378	{	179	}
379	while (ops == ':' \|\| isspace(ops)) ++ops;	180	else if (!strcasecmp (arr[i], "style=aspect-stretched"))
380
381	# define CHECK_GEOM_OPS(op_str) (strncasecmp (ops, (op_str), sizeof (op_str) - 1) == 0)
382	if (CHECK_GEOM_OPS ("tile"))
383	{	181	{
		182	new_flags = BG_KEEP_ASPECT;
		183	w = h = windowScale;
		184	x = y = centerAlign;
		185	geom_flags = WidthValue\|HeightValue\|XValue\|YValue;
		186	}
		187	else if (!strcasecmp (arr[i], "style=stretched"))
		188	{
		189	new_flags = 0;
		190	w = h = windowScale;
		191	geom_flags = WidthValue\|HeightValue;
		192	}
		193	else if (!strcasecmp (arr[i], "style=centered"))
		194	{
		195	new_flags = 0;
384	w = h = noScale;	196	w = h = noScale;
		197	x = y = centerAlign;
		198	geom_flags = WidthValue\|HeightValue\|XValue\|YValue;
		199	}
		200	else if (!strcasecmp (arr[i], "style=root-tiled"))
		201	{
		202	new_flags = BG_TILE\|BG_ROOT_ALIGN;
		203	w = h = noScale;
		204	geom_flags = WidthValue\|HeightValue;
		205	}
		206	else if (!strcasecmp (arr[i], "op=tile"))
		207	new_flags \|= BG_TILE;
		208	else if (!strcasecmp (arr[i], "op=keep-aspect"))
		209	new_flags \|= BG_KEEP_ASPECT;
		210	else if (!strcasecmp (arr[i], "op=root-align"))
		211	new_flags \|= BG_ROOT_ALIGN;
		212
		213	// deprecated
		214	else if (!strcasecmp (arr[i], "tile"))
		215	{
		216	new_flags \|= BG_TILE;
		217	w = h = noScale;
385	geom_flags \|= WidthValue\|HeightValue;	218	geom_flags \|= WidthValue\|HeightValue;
386	}	219	}
387	else if (CHECK_GEOM_OPS ("propscale"))	220	else if (!strcasecmp (arr[i], "propscale"))
388	{	221	{
389	new_flags \|= propScale;	222	new_flags \|= BG_KEEP_ASPECT;
390	}
391	else if (CHECK_GEOM_OPS ("hscale"))
392	{
393	if (w == 0) w = windowScale;
394
395	h = noScale;	223	w = h = windowScale;
396	geom_flags \|= WidthValue\|HeightValue;	224	geom_flags \|= WidthValue\|HeightValue;
397	}	225	}
398	else if (CHECK_GEOM_OPS ("vscale"))	226	else if (!strcasecmp (arr[i], "hscale"))
399	{	227	{
		228	new_flags \|= BG_TILE;
400	if (h == 0) h = windowScale;	229	w = windowScale;
401
402	w = noScale;	230	h = noScale;
403	geom_flags \|= WidthValue\|HeightValue;	231	geom_flags \|= WidthValue\|HeightValue;
404	}	232	}
405	else if (CHECK_GEOM_OPS ("scale"))	233	else if (!strcasecmp (arr[i], "vscale"))
406	{	234	{
		235	new_flags \|= BG_TILE;
407	if (h == 0) h = windowScale;	236	h = windowScale;
408	if (w == 0) w = windowScale;	237	w = noScale;
409
410	geom_flags \|= WidthValue\|HeightValue;	238	geom_flags \|= WidthValue\|HeightValue;
411	}	239	}
412	else if (CHECK_GEOM_OPS ("auto"))	240	else if (!strcasecmp (arr[i], "scale"))
413	{	241	{
414	w = h = windowScale;	242	w = h = windowScale;
		243	geom_flags \|= WidthValue\|HeightValue;
		244	}
		245	else if (!strcasecmp (arr[i], "auto"))
		246	{
		247	w = h = windowScale;
415	x = y = centerAlign;	248	x = y = centerAlign;
416	geom_flags \|= WidthValue\|HeightValue\|XValue\|YValue;	249	geom_flags \|= WidthValue\|HeightValue\|XValue\|YValue;
417	}	250	}
418	else if (CHECK_GEOM_OPS ("root"))	251	else if (!strcasecmp (arr[i], "root"))
419	{	252	{
420	new_flags \|= rootAlign;	253	new_flags \|= BG_TILE\|BG_ROOT_ALIGN;
421	w = h = noScale;	254	w = h = noScale;
422	geom_flags \|= WidthValue\|HeightValue;	255	geom_flags \|= WidthValue\|HeightValue;
423	}	256	}
424	# undef CHECK_GEOM_OPS
425		257
426	while (ops != ':' && ops != '\0') ++ops;	258	else
		259	geom_flags \|= XParseGeometry (arr[i], &x, &y, &w, &h);
427	} /* done parsing ops */	260	} /* done parsing ops */
428	}
429		261
430	if (check_set_scale_value (geom_flags, WidthValue, h_scale, w)) ++changed;	262	rxvt_free_strsplit (arr);
431	if (check_set_scale_value (geom_flags, HeightValue, v_scale, h)) ++changed;
432	if (check_set_align_value (geom_flags, XValue, h_align, x)) ++changed;
433	if (check_set_align_value (geom_flags, YValue, v_align, y)) ++changed;
434	}
435
436	if (new_flags != flags)
437	{	263	}
		264
		265	new_flags \|= bg_flags & ~BG_GEOMETRY_FLAGS;
		266
		267	if (!update)
		268	{
		269	if (!(geom_flags & XValue))
		270	x = y = defaultAlign;
		271	else if (!(geom_flags & YValue))
		272	y = x;
		273
		274	if (!(geom_flags & (WidthValue\|HeightValue)))
		275	w = h = defaultScale;
		276	else if (!(geom_flags & HeightValue))
		277	h = w;
		278	else if (!(geom_flags & WidthValue))
		279	w = h;
		280	}
		281
		282	min_it (w, 1000);
		283	min_it (h, 1000);
		284	clamp_it (x, -100, 200);
		285	clamp_it (y, -100, 200);
		286
		287	if (bg_flags != new_flags
		288	\|\| h_scale != w
		289	\|\| v_scale != h
		290	\|\| h_align != x
		291	\|\| v_align != y)
		292	{
438	flags = new_flags;	293	bg_flags = new_flags;
		294	h_scale = w;
		295	v_scale = h;
		296	h_align = x;
		297	v_align = y;
439	changed++;	298	changed = true;
440	}	299	}
441		300
442	//fprintf (stderr, "flags = %lX, scale = %ux%u, align=%+d%+d\n",
443	// flags, h_scale, v_scale, h_align, v_align);
444	return (changed > 0);	301	return changed;
445	}	302	}
446		303
447	void	304	void
448	bgPixmap_t::get_image_geometry (int image_width, int image_height, int &w, int &h, int &x, int &y)	305	rxvt_term::get_image_geometry (int image_width, int image_height, int &w, int &h, int &x, int &y)
449	{	306	{
450	int target_width = target->szHint.width;	307	int target_width = szHint.width;
451	int target_height = target->szHint.height;	308	int target_height = szHint.height;
452		309
453	if (flags & propScale)	310	w = h_scale * target_width / 100;
		311	h = v_scale * target_height / 100;
		312
		313	if (bg_flags & BG_KEEP_ASPECT)
454	{	314	{
455	float scale = (float)target_width / image_width;	315	float scale = (float)w / image_width;
456	min_it (scale, (float)target_height / image_height);	316	min_it (scale, (float)h / image_height);
457	w = image_width * scale + 0.5;	317	w = image_width * scale + 0.5;
458	h = image_height * scale + 0.5;	318	h = image_height * scale + 0.5;
459	}	319	}
		320
		321	if (!w) w = image_width;
		322	if (!h) h = image_height;
		323
		324	if (bg_flags & BG_ROOT_ALIGN)
		325	{
		326	x = -target_x;
		327	y = -target_y;
		328	}
460	else	329	else
461	{	330	{
462	w = h_scale * target_width / 100;	331	x = make_align_position (h_align, target_width, w);
463	h = v_scale * target_height / 100;	332	y = make_align_position (v_align, target_height, h);
464	}
465
466	if (flags & rootAlign)
467	{	333	}
468	target->get_window_origin (x, y);	334
469	x = -x;	335	if (!(bg_flags & BG_TILE)
470	y = -y;	336	\|\| h_scale \|\| v_scale
471	}	337	\|\| (!(bg_flags & BG_ROOT_ALIGN) && (h_align \|\| v_align))
		338	\|\| image_width > target_width \|\| image_height > target_height)
		339	bg_flags \|= BG_IS_SIZE_SENSITIVE;
472	else	340	else
473	{	341	bg_flags &= ~BG_IS_SIZE_SENSITIVE;
474	x = make_align_position (h_align, target_width, w > 0 ? w : image_width);
475	y = make_align_position (v_align, target_height, h > 0 ? h : image_height);
476	}
477
478	flags &= ~sizeSensitive;
479	if (h_scale != 0 \|\| v_scale != 0
480	\|\| h_align != 0 \|\| v_align != 0
481	\|\| image_width > target_width \|\| image_height > target_height)
482	flags \|= sizeSensitive;
483	}	342	}
484		343
485	# ifdef HAVE_AFTERIMAGE	344	# ifdef HAVE_PIXBUF
486	bool	345	bool
487	bgPixmap_t::render_image (unsigned long background_flags)	346	rxvt_term::pixbuf_to_pixmap (GdkPixbuf *pixbuf, Pixmap pixmap, GC gc,
		347	int src_x, int src_y, int dst_x, int dst_y,
		348	unsigned int width, unsigned int height)
488	{	349	{
489	if (target == NULL)	350	XImage *ximage;
		351	char *line;
		352	int width_r, width_g, width_b, width_a;
		353	int sh_r, sh_g, sh_b, sh_a;
		354	uint32_t alpha_mask;
		355	int rowstride;
		356	int channels;
		357	unsigned char *row;
		358
		359	if (visual->c_class != TrueColor)
490	return false;	360	return false;
491		361
492	target->init_asv ();	362	#if XRENDER
		363	XRenderPictFormat *format = XRenderFindVisualFormat (dpy, visual);
		364	if (format)
		365	alpha_mask = (uint32_t)format->direct.alphaMask << format->direct.alpha;
		366	else
		367	#endif
		368	alpha_mask = 0;
493		369
494	ASImage *background = NULL;	370	width_r = ecb_popcount32 (visual->red_mask);
495	ARGB32 background_tint = TINT_LEAVE_SAME;	371	width_g = ecb_popcount32 (visual->green_mask);
		372	width_b = ecb_popcount32 (visual->blue_mask);
		373	width_a = ecb_popcount32 (alpha_mask);
496		374
497	# ifdef ENABLE_TRANSPARENCY	375	if (width_r > 8 \|\| width_g > 8 \|\| width_b > 8 \|\| width_a > 8)
498	if (background_flags)	376	return false;
499	background = pixmap2ximage (target->asv, pixmap, 0, 0, pmap_width, pmap_height, AllPlanes, 100);
500		377
501	if (!(background_flags & transpPmapTinted) && (flags & tintNeeded))	378	sh_r = ecb_ctz32 (visual->red_mask);
502	{	379	sh_g = ecb_ctz32 (visual->green_mask);
503	ShadingInfo as_shade;	380	sh_b = ecb_ctz32 (visual->blue_mask);
504	as_shade.shading = (shade == 0) ? 100 : shade;	381	sh_a = ecb_ctz32 (alpha_mask);
505		382
506	rgba c (rgba::MAX_CC,rgba::MAX_CC,rgba::MAX_CC);	383	if (width > 32767 \|\| height > 32767)
507	if (flags & tintSet)	384	return false;
508	tint.get (c);
509	as_shade.tintColor.red = c.r;
510	as_shade.tintColor.green = c.g;
511	as_shade.tintColor.blue = c.b;
512		385
513	background_tint = shading2tint32 (&as_shade);	386	ximage = XCreateImage (dpy, visual, depth, ZPixmap, 0, 0,
		387	width, height, 32, 0);
		388	if (!ximage)
		389	return false;
		390
		391	if (height > INT_MAX / ximage->bytes_per_line
		392	\|\| !(ximage->data = (char )malloc (height ximage->bytes_per_line)))
514	}	393	{
515		394	XDestroyImage (ximage);
516	if (!(background_flags & transpPmapBlured) && (flags & blurNeeded) && background != NULL)	395	return false;
517	{	396	}
518	ASImage *tmp = blur_asimage_gauss (target->asv, background, h_blurRadius, v_blurRadius, 0xFFFFFFFF,	397
519	(original_asim == NULL \|\| tint == TINT_LEAVE_SAME) ? ASA_XImage : ASA_ASImage,	398	ximage->byte_order = ecb_big_endian () ? MSBFirst : LSBFirst;
520	100, ASIMAGE_QUALITY_DEFAULT);	399
521	if (tmp)	400	rowstride = gdk_pixbuf_get_rowstride (pixbuf);
		401	channels = gdk_pixbuf_get_n_channels (pixbuf);
		402	row = gdk_pixbuf_get_pixels (pixbuf) + src_y * rowstride + src_x * channels;
		403	line = ximage->data;
		404
		405	rgba c (0, 0, 0);
		406
		407	if (channels == 4 && alpha_mask == 0)
		408	{
		409	pix_colors[Color_bg].get (c);
		410	c.r >>= 8;
		411	c.g >>= 8;
		412	c.b >>= 8;
		413	}
		414
		415	for (int y = 0; y < height; y++)
		416	{
		417	for (int x = 0; x < width; x++)
		418	{
		419	unsigned char pixel = row + x channels;
		420	uint32_t value;
		421	unsigned char r, g, b, a;
		422
		423	if (channels == 4)
522	{	424	{
523	destroy_asimage (&background);	425	a = pixel[3];
524	background = tmp;	426	r = (pixel[0] * a + c.r * (0xff - a)) / 0xff;
		427	g = (pixel[1] * a + c.g * (0xff - a)) / 0xff;
		428	b = (pixel[2] * a + c.b * (0xff - a)) / 0xff;
		429	}
		430	else
		431	{
		432	a = 0xff;
		433	r = pixel[0];
		434	g = pixel[1];
		435	b = pixel[2];
		436	}
		437
		438	value = ((r >> (8 - width_r)) << sh_r)
		439	\| ((g >> (8 - width_g)) << sh_g)
		440	\| ((b >> (8 - width_b)) << sh_b)
		441	\| ((a >> (8 - width_a)) << sh_a);
		442
		443	if (ximage->bits_per_pixel == 32)
		444	((uint32_t *)line)[x] = value;
		445	else
		446	XPutPixel (ximage, x, y, value);
525	}	447	}
526	}
527	# endif
528		448
529	ASImage *result = 0;	449	row += rowstride;
		450	line += ximage->bytes_per_line;
		451	}
530		452
		453	XPutImage (dpy, pixmap, gc, ximage, 0, 0, dst_x, dst_y, width, height);
		454	XDestroyImage (ximage);
		455	return true;
		456	}
		457
		458	bool
		459	rxvt_term::render_image (bool transparent)
		460	{
		461	if (!pixbuf)
		462	return false;
		463
		464	if (transparent
		465	&& !(bg_flags & BG_HAS_RENDER))
		466	return false;
		467
		468	GdkPixbuf *result;
		469
		470	int image_width = gdk_pixbuf_get_width (pixbuf);
		471	int image_height = gdk_pixbuf_get_height (pixbuf);
		472
531	int target_width = target->szHint.width;	473	int target_width = szHint.width;
532	int target_height = target->szHint.height;	474	int target_height = szHint.height;
533	int new_pmap_width = target_width;	475	int new_pmap_width = target_width;
534	int new_pmap_height = target_height;	476	int new_pmap_height = target_height;
535		477
536	int x = 0;	478	int x = 0;
537	int y = 0;	479	int y = 0;
538	int w = 0;	480	int w = 0;
539	int h = 0;	481	int h = 0;
540		482
541	TIMING_TEST_START (asim);	483	get_image_geometry (image_width, image_height, w, h, x, y);
542		484
543	if (original_asim)	485	if (!(bg_flags & BG_ROOT_ALIGN)
544	get_image_geometry (original_asim->width, original_asim->height, w, h, x, y);
545
546	if (!original_asim
547	\|\| x >= target_width	486	&& (x >= target_width
548	\|\| y >= target_height	487	\|\| y >= target_height
549	\|\| (w > 0 && x + w <= 0)	488	\|\| x + w <= 0
550	\|\| (h > 0 && y + h <= 0))	489	\|\| y + h <= 0))
		490	return false;
		491
		492	result = pixbuf;
		493
		494	if (w != image_width
		495	\|\| h != image_height)
		496	{
		497	result = gdk_pixbuf_scale_simple (pixbuf,
		498	w, h,
		499	GDK_INTERP_BILINEAR);
551	{	500	}
552	if (background)
553	{
554	new_pmap_width = background->width;
555	new_pmap_height = background->height;
556	result = background;
557		501
558	if (background_tint != TINT_LEAVE_SAME)	502	if (!result)
559	{	503	return false;
560	ASImage *tmp = tile_asimage (target->asv, background, 0, 0,	504
561	target_width, target_height, background_tint,	505	bool ret = false;
562	ASA_XImage, 100, ASIMAGE_QUALITY_DEFAULT);	506
563	if (tmp)	507	XGCValues gcv;
564	result = tmp;	508	GC gc;
565	}	509	Pixmap root_pmap;
566	}	510
567	else	511	image_width = gdk_pixbuf_get_width (result);
568	new_pmap_width = new_pmap_height = 0;	512	image_height = gdk_pixbuf_get_height (result);
		513
		514	if (transparent)
		515	{
		516	root_pmap = bg_pixmap;
		517	bg_pixmap = None;
569	}	518	}
570	else	519	else
571	{	520	{
572	result = original_asim;	521	if (bg_flags & BG_TILE)
573
574	if ((w > 0 && w != original_asim->width)
575	\|\| (h > 0 && h != original_asim->height))
576	{
577	result = scale_asimage (target->asv, original_asim,
578	w > 0 ? w : original_asim->width,
579	h > 0 ? h : original_asim->height,
580	background ? ASA_ASImage : ASA_XImage,
581	100, ASIMAGE_QUALITY_DEFAULT);
582	}
583
584	if (background == NULL)
585	{
586	if (h_scale == 0 \|\| v_scale == 0)
587	{
588	/* if tiling - pixmap has to be sized exactly as the image,
589	but there is no need to make it bigger than the window! */
590	new_pmap_width = min (result->width, target_width);
591	new_pmap_height = min (result->height, target_height);
592
593	/* we also need to tile our image in both directions */
594	ASImage *tmp = tile_asimage (target->asv, result,
595	(int)result->width - x,
596	(int)result->height - y,
597	new_pmap_width,
598	new_pmap_height,
599	TINT_LEAVE_SAME, ASA_XImage,
600	100, ASIMAGE_QUALITY_DEFAULT);
601	if (tmp)
602	{
603	if (result != original_asim)
604	destroy_asimage (&result);
605
606	result = tmp;
607	}
608	}
609	}
610	else
611	{
612	/* if blending background and image - pixmap has to be sized same as target window */
613	ASImageLayer *layers = create_image_layers (2);
614
615	layers[0].im = background;
616	layers[0].clip_width = target_width;
617	layers[0].clip_height = target_height;
618	layers[0].tint = background_tint;
619	layers[1].im = result;
620
621	if (w <= 0)
622	{
623	/* tile horizontally */
624	while (x > 0) x -= (int)result->width;
625	layers[1].dst_x = x;
626	layers[1].clip_width = result->width+target_width;
627	}
628	else
629	{
630	/* clip horizontally */
631	layers[1].dst_x = x;
632	layers[1].clip_width = result->width;
633	}
634
635	if (h <= 0)
636	{
637	while (y > 0) y -= (int)result->height;
638	layers[1].dst_y = y;
639	layers[1].clip_height = result->height + target_height;
640	}
641	else
642	{
643	layers[1].dst_y = y;
644	layers[1].clip_height = result->height;
645	}
646
647	if (target->rs[Rs_blendtype])
648	{
649	layers[1].merge_scanlines = blend_scanlines_name2func (target->rs[Rs_blendtype]);
650	if (layers[1].merge_scanlines == NULL)
651	layers[1].merge_scanlines = alphablend_scanlines;
652	}
653
654	ASImage *tmp = merge_layers (target->asv, layers, 2, target_width, target_height,
655	ASA_XImage, 0, ASIMAGE_QUALITY_DEFAULT);
656
657	if (tmp)
658	{
659	if (result != original_asim)
660	destroy_asimage (&result);
661
662	result = tmp;
663	}
664
665	free (layers);
666	}
667	}
668	TIMING_TEST_PRINT_RESULT (asim);
669
670	bool ret = false;
671
672	if (result)
673	{
674	XGCValues gcv;
675	GC gc;
676
677	if (pixmap)
678	{
679	if (pmap_width != new_pmap_width
680	\|\| pmap_height != new_pmap_height
681	\|\| pmap_depth != target->depth)
682	{
683	XFreePixmap (target->dpy, pixmap);
684	pixmap = None;
685	}
686	}
687
688	/* create Pixmap */
689	if (pixmap == None)
690	{
691	pixmap = XCreatePixmap (target->dpy, target->vt, new_pmap_width, new_pmap_height, target->depth);
692	pmap_width = new_pmap_width;
693	pmap_height = new_pmap_height;
694	pmap_depth = target->depth;
695	}
696	/* fill with background color (if result's not completely overlapping it) */
697	gcv.foreground = target->pix_colors[Color_bg];
698	gc = XCreateGC (target->dpy, target->vt, GCForeground, &gcv);
699
700	int src_x = 0, src_y = 0, dst_x = 0, dst_y = 0;
701	int dst_width = result->width, dst_height = result->height;
702	if (background == NULL)
703	{
704	if (!(h_scale == 0 \|\| v_scale == 0))
705	{
706	src_x = make_clip_rectangle (x, result->width , new_pmap_width , dst_x, dst_width );
707	src_y = make_clip_rectangle (y, result->height, new_pmap_height, dst_y, dst_height);
708	}
709
710	if (dst_x > 0 \|\| dst_y > 0
711	\|\| dst_x + dst_width < new_pmap_width
712	\|\| dst_y + dst_height < new_pmap_height)
713	XFillRectangle (target->dpy, pixmap, gc, 0, 0, new_pmap_width, new_pmap_height);
714	}
715
716	/* put result on pixmap */
717	if (dst_x < new_pmap_width && dst_y < new_pmap_height)
718	asimage2drawable (target->asv, pixmap, result, gc, src_x, src_y, dst_x, dst_y, dst_width, dst_height, True);
719
720	if (result != background && result != original_asim)
721	destroy_asimage (&result);
722
723	XFreeGC (target->dpy, gc);
724	TIMING_TEST_PRINT_RESULT (asim);
725
726	ret = true;
727	}
728
729	if (background)
730	destroy_asimage (&background);
731
732	return ret;
733	}
734	# endif /* HAVE_AFTERIMAGE */
735
736	# ifdef HAVE_PIXBUF
737	bool
738	bgPixmap_t::render_image (unsigned long background_flags)
739	{
740	if (target == NULL)
741	return false;
742
743	if (!pixbuf)
744	return false;
745
746	// TODO: add alpha blending
747	if (background_flags)
748	return false;
749
750	GdkPixbuf *result;
751
752	int image_width = gdk_pixbuf_get_width (pixbuf);
753	int image_height = gdk_pixbuf_get_height (pixbuf);
754
755	int target_width = target->szHint.width;
756	int target_height = target->szHint.height;
757	int new_pmap_width = target_width;
758	int new_pmap_height = target_height;
759
760	int x = 0;
761	int y = 0;
762	int w = 0;
763	int h = 0;
764
765	get_image_geometry (image_width, image_height, w, h, x, y);
766
767	if (x >= target_width
768	\|\| y >= target_height
769	\|\| (w > 0 && x + w <= 0)
770	\|\| (h > 0 && y + h <= 0))
771	return false;
772
773	result = pixbuf;
774
775	if ((w > 0 && w != image_width)
776	\|\| (h > 0 && h != image_height))
777	{
778	result = gdk_pixbuf_scale_simple (pixbuf,
779	w > 0 ? w : image_width,
780	h > 0 ? h : image_height,
781	GDK_INTERP_BILINEAR);
782	}
783
784	bool ret = false;
785
786	if (result)
787	{
788	XGCValues gcv;
789	GC gc;
790
791	image_width = gdk_pixbuf_get_width (result);
792	image_height = gdk_pixbuf_get_height (result);
793
794	if (h_scale == 0 \|\| v_scale == 0)
795	{	522	{
796	new_pmap_width = min (image_width, target_width);	523	new_pmap_width = min (image_width, target_width);
797	new_pmap_height = min (image_height, target_height);	524	new_pmap_height = min (image_height, target_height);
798	}	525	}
		526	}
799		527
		528	if (bg_pixmap == None
		529	\|\| bg_pmap_width != new_pmap_width
		530	\|\| bg_pmap_height != new_pmap_height)
		531	{
800	if (pixmap)	532	if (bg_pixmap)
801	{
802	if (pmap_width != new_pmap_width
803	\|\| pmap_height != new_pmap_height
804	\|\| pmap_depth != target->depth)
805	{
806	XFreePixmap (target->dpy, pixmap);	533	XFreePixmap (dpy, bg_pixmap);
807	pixmap = None;
808	}
809	}
810
811	if (pixmap == None)
812	{
813	pixmap = XCreatePixmap (target->dpy, target->vt, new_pmap_width, new_pmap_height, target->depth);	534	bg_pixmap = XCreatePixmap (dpy, vt, new_pmap_width, new_pmap_height, depth);
814	pmap_width = new_pmap_width;	535	bg_pmap_width = new_pmap_width;
815	pmap_height = new_pmap_height;	536	bg_pmap_height = new_pmap_height;
816	pmap_depth = target->depth;	537	}
		538
		539	gcv.foreground = pix_colors[Color_bg];
		540	gc = XCreateGC (dpy, vt, GCForeground, &gcv);
		541
		542	if (gc)
		543	{
		544	if (bg_flags & BG_TILE)
817	}	545	{
818
819	gcv.foreground = target->pix_colors[Color_bg];
820	gc = XCreateGC (target->dpy, target->vt, GCForeground, &gcv);
821
822	if (h_scale == 0 \|\| v_scale == 0)
823	{
824	Pixmap tile = XCreatePixmap (target->dpy, target->vt, image_width, image_height, target->depth);	546	Pixmap tile = XCreatePixmap (dpy, vt, image_width, image_height, depth);
825	gdk_pixbuf_xlib_render_to_drawable (result, tile, gc,	547	pixbuf_to_pixmap (result, tile, gc,
826	0, 0,	548	0, 0,
827	0, 0,	549	0, 0,
828	image_width, image_height,	550	image_width, image_height);
829	XLIB_RGB_DITHER_NONE,
830	0, 0);
831		551
832	gcv.tile = tile;	552	gcv.tile = tile;
833	gcv.fill_style = FillTiled;	553	gcv.fill_style = FillTiled;
834	gcv.ts_x_origin = x;	554	gcv.ts_x_origin = x;
835	gcv.ts_y_origin = y;	555	gcv.ts_y_origin = y;
836	XChangeGC (target->dpy, gc, GCFillStyle \| GCTile \| GCTileStipXOrigin \| GCTileStipYOrigin, &gcv);	556	XChangeGC (dpy, gc, GCFillStyle \| GCTile \| GCTileStipXOrigin \| GCTileStipYOrigin, &gcv);
837		557
838	XFillRectangle (target->dpy, pixmap, gc, 0, 0, new_pmap_width, new_pmap_height);	558	XFillRectangle (dpy, bg_pixmap, gc, 0, 0, new_pmap_width, new_pmap_height);
839	XFreePixmap (target->dpy, tile);	559	XFreePixmap (dpy, tile);
840	}	560	}
841	else	561	else
842	{	562	{
843	int src_x, src_y, dst_x, dst_y;	563	int src_x, src_y, dst_x, dst_y;
844	int dst_width, dst_height;	564	int dst_width, dst_height;
…		…
847	src_y = make_clip_rectangle (y, image_height, new_pmap_height, dst_y, dst_height);	567	src_y = make_clip_rectangle (y, image_height, new_pmap_height, dst_y, dst_height);
848		568
849	if (dst_x > 0 \|\| dst_y > 0	569	if (dst_x > 0 \|\| dst_y > 0
850	\|\| dst_x + dst_width < new_pmap_width	570	\|\| dst_x + dst_width < new_pmap_width
851	\|\| dst_y + dst_height < new_pmap_height)	571	\|\| dst_y + dst_height < new_pmap_height)
852	XFillRectangle (target->dpy, pixmap, gc, 0, 0, new_pmap_width, new_pmap_height);	572	XFillRectangle (dpy, bg_pixmap, gc, 0, 0, new_pmap_width, new_pmap_height);
853		573
854	if (dst_x < new_pmap_width && dst_y < new_pmap_height)	574	if (dst_x < new_pmap_width && dst_y < new_pmap_height)
855	gdk_pixbuf_xlib_render_to_drawable (result, pixmap, gc,	575	pixbuf_to_pixmap (result, bg_pixmap, gc,
856	src_x, src_y,	576	src_x, src_y,
857	dst_x, dst_y,	577	dst_x, dst_y,
858	dst_width, dst_height,	578	dst_width, dst_height);
859	XLIB_RGB_DITHER_NONE,
860	0, 0);
861	}	579	}
862		580
863	if (result != pixbuf)	581	#if XRENDER
864	g_object_unref (result);	582	if (transparent)
		583	{
		584	XRenderPictFormat *format = XRenderFindVisualFormat (dpy, visual);
865		585
		586	Picture src = XRenderCreatePicture (dpy, root_pmap, format, 0, 0);
		587
		588	Picture dst = XRenderCreatePicture (dpy, bg_pixmap, format, 0, 0);
		589
		590	Picture mask = create_xrender_mask (dpy, vt, False, False);
		591
		592	XRenderColor mask_c;
		593
		594	mask_c.alpha = 0x8000;
		595	mask_c.red =
		596	mask_c.green =
		597	mask_c.blue = 0;
		598	XRenderFillRectangle (dpy, PictOpSrc, mask, &mask_c, 0, 0, 1, 1);
		599
		600	XRenderComposite (dpy, PictOpOver, src, mask, dst, 0, 0, 0, 0, 0, 0, target_width, target_height);
		601
		602	XRenderFreePicture (dpy, src);
		603	XRenderFreePicture (dpy, dst);
		604	XRenderFreePicture (dpy, mask);
		605	}
		606	#endif
		607
866	XFreeGC (target->dpy, gc);	608	XFreeGC (dpy, gc);
867		609
868	ret = true;	610	ret = true;
869	}	611	}
870		612
		613	if (result != pixbuf)
		614	g_object_unref (result);
		615
		616	if (transparent)
		617	XFreePixmap (dpy, root_pmap);
		618
871	return ret;	619	return ret;
872	}	620	}
873	# endif /* HAVE_PIXBUF */	621	# endif /* HAVE_PIXBUF */
874		622
875	bool	623	bool
876	bgPixmap_t::set_file (const char *file)	624	rxvt_term::bg_set_file (const char *file)
877	{	625	{
878	assert (file);	626	if (!file \|\| !*file)
		627	return false;
879		628
880	if (*file)	629	bool ret = false;
881	{
882	if (const char *p = strchr (file, ';'))	630	const char *p = strchr (file, ';');
883	{	631
		632	if (p)
		633	{
884	size_t len = p - file;	634	size_t len = p - file;
885	char *f = rxvt_temp_buf<char> (len + 1);	635	char *f = rxvt_temp_buf<char> (len + 1);
886	memcpy (f, file, len);	636	memcpy (f, file, len);
887	f[len] = '\0';	637	f[len] = '\0';
888	file = f;	638	file = f;
889	}	639	}
890		640
891	# ifdef HAVE_AFTERIMAGE	641	# ifdef HAVE_PIXBUF
892	if (!target->asimman)	642	GdkPixbuf *image = gdk_pixbuf_new_from_file (file, NULL);
893	target->asimman = create_generic_imageman (target->rs[Rs_path]);	643	if (image)
894	original_asim = get_asimage (target->asimman, file, 0xFFFFFFFF, 100);	644	{
895	if (original_asim)	645	if (pixbuf)
896	have_image = true;	646	g_object_unref (pixbuf);
897	return have_image;	647	pixbuf = image;
		648	bg_flags \|= BG_IS_FROM_FILE;
		649	ret = true;
		650	}
898	# endif	651	# endif
899		652
900	# ifdef HAVE_PIXBUF	653	if (ret)
901	pixbuf = gdk_pixbuf_new_from_file (file, NULL);	654	{
902	if (pixbuf)	655	if (p)
903	have_image = true;	656	bg_set_geometry (p + 1);
904	return have_image;	657	else
905	# endif	658	bg_set_default_geometry ();
906	}	659	}
907		660
908	return false;	661	return ret;
909	}	662	}
910		663
911	# endif /* BG_IMAGE_FROM_FILE */	664	# endif /* BG_IMAGE_FROM_FILE */
912		665
913	# ifdef ENABLE_TRANSPARENCY	666	# ifdef ENABLE_TRANSPARENCY
914	bool	667	bool
915	bgPixmap_t::set_transparent ()	668	rxvt_term::bg_set_blur (const char *geom)
916	{	669	{
917	if (!(flags & isTransparent))	670	bool changed = false;
918	{
919	flags \|= isTransparent;
920	return true;
921	}
922
923	return false;
924	}
925
926	bool
927	bgPixmap_t::set_blur_radius (const char *geom)
928	{
929	int changed = 0;
930	unsigned int hr, vr;	671	unsigned int hr, vr;
931	int junk;	672	int junk;
932	int geom_flags = XParseGeometry (geom, &junk, &junk, &hr, &vr);	673	int geom_flags = XParseGeometry (geom, &junk, &junk, &hr, &vr);
933		674
934	if (!(geom_flags & WidthValue))	675	if (!(geom_flags & WidthValue))
935	hr = 1;	676	hr = 1;
936	if (!(geom_flags & HeightValue))	677	if (!(geom_flags & HeightValue))
937	vr = hr;	678	vr = hr;
938		679
		680	min_it (hr, 128);
		681	min_it (vr, 128);
		682
939	if (h_blurRadius != hr)	683	if (h_blurRadius != hr)
940	{	684	{
941	++changed;	685	changed = true;
942	h_blurRadius = hr;	686	h_blurRadius = hr;
943	}	687	}
944		688
945	if (v_blurRadius != vr)	689	if (v_blurRadius != vr)
946	{	690	{
947	++changed;	691	changed = true;
948	v_blurRadius = vr;	692	v_blurRadius = vr;
949	}	693	}
950		694
951	if (v_blurRadius == 0 && h_blurRadius == 0)	695	if (h_blurRadius && v_blurRadius)
952	flags &= ~blurNeeded;	696	bg_flags \|= BG_NEEDS_BLUR;
953	else	697	else
954	flags \|= blurNeeded;	698	bg_flags &= ~BG_NEEDS_BLUR;
955		699
956	return (changed > 0);	700	return changed;
957	}	701	}
958		702
959	static inline unsigned long	703	void
960	compute_tint_shade_flags (rxvt_color *tint, int shade)	704	rxvt_term::set_tint_shade_flags ()
961	{	705	{
962	unsigned long flags = 0;	706	if (shade != 100 \|\| (bg_flags & BG_TINT_SET))
963	rgba c (rgba::MAX_CC,rgba::MAX_CC,rgba::MAX_CC);	707	bg_flags \|= BG_NEEDS_TINT;
964	bool has_shade = (shade > 0 && shade < 100) \|\| (shade > 100 && shade < 200);	708	else
		709	bg_flags &= ~BG_NEEDS_TINT;
		710	}
965		711
966	if (tint)	712	bool
		713	rxvt_term::bg_set_tint (rxvt_color &new_tint)
		714	{
		715	if (!(bg_flags & BG_TINT_SET) \|\| tint != new_tint)
967	{	716	{
		717	tint = new_tint;
		718	bg_flags \|= BG_TINT_SET;
		719
		720	rgba c;
968	tint->get (c);	721	tint.get (c);
969	# define IS_COMPONENT_WHOLESOME(cmp) ((cmp) <= 0x000700 \|\| (cmp) >= 0x00f700)	722	if ((c.r <= 0x00ff \|\| c.r >= 0xff00)
970	if (!has_shade && IS_COMPONENT_WHOLESOME (c.r)	723	&& (c.g <= 0x00ff \|\| c.g >= 0xff00)
971	&& IS_COMPONENT_WHOLESOME (c.g)	724	&& (c.b <= 0x00ff \|\| c.b >= 0xff00))
972	&& IS_COMPONENT_WHOLESOME (c.b))	725	bg_flags \|= BG_TINT_BITAND;
973	flags \|= bgPixmap_t::tintWholesome;
974	# undef IS_COMPONENT_WHOLESOME
975	}
976
977	if (has_shade)
978	flags \|= bgPixmap_t::tintNeeded;
979	else if (tint)
980	{
981	if ((c.r > 0x000700 \|\| c.g > 0x000700 \|\| c.b > 0x000700)
982	&& (c.r < 0x00f700 \|\| c.g < 0x00f700 \|\| c.b < 0x00f700))
983	{
984	flags \|= bgPixmap_t::tintNeeded;
985	}
986	}
987
988	if (flags & bgPixmap_t::tintNeeded)
989	{
990	if (flags & bgPixmap_t::tintWholesome)
991	flags \|= bgPixmap_t::tintServerSide;
992	else	726	else
993	{	727	bg_flags &= ~BG_TINT_BITAND;
994	#if XFT	728
995	flags \|= bgPixmap_t::tintServerSide;	729	set_tint_shade_flags ();
		730	return true;
		731	}
		732
		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	set_tint_shade_flags ();
		749	return true;
		750	}
		751
		752	return false;
		753	}
		754
		755	#if XRENDER
		756	static void
		757	get_gaussian_kernel (int radius, int width, double kernel, XFixed params)
		758	{
		759	double sigma = radius / 2.0;
		760	double scale = sqrt (2.0 * M_PI) * sigma;
		761	double sum = 0.0;
		762
		763	for (int i = 0; i < width; i++)
		764	{
		765	double x = i - width / 2;
		766	kernel[i] = exp (-(x * x) / (2.0 * sigma * sigma)) / scale;
		767	sum += kernel[i];
		768	}
		769
		770	params[0] = XDoubleToFixed (width);
		771	params[1] = XDoubleToFixed (1);
		772
		773	for (int i = 0; i < width; i++)
		774	params[i+2] = XDoubleToFixed (kernel[i] / sum);
		775	}
996	#endif	776	#endif
997	}
998	}
999		777
1000	return flags;
1001	}
1002
1003	bool	778	bool
1004	bgPixmap_t::set_tint (rxvt_color &new_tint)	779	rxvt_term::blur_pixmap (Pixmap pixmap, Visual *visual, int width, int height, int depth)
1005	{	780	{
1006	if (tint != new_tint)
1007	{
1008	unsigned long new_flags = compute_tint_shade_flags (&new_tint, shade);
1009	tint = new_tint;
1010	flags = (flags & ~tintFlags) \| new_flags \| tintSet;
1011	return true;
1012	}
1013
1014	return false;
1015	}
1016
1017	bool
1018	bgPixmap_t::unset_tint ()
1019	{
1020	unsigned long new_flags = compute_tint_shade_flags (NULL, shade);
1021
1022	if (new_flags != (flags & tintFlags))
1023	{
1024	flags = (flags & ~tintFlags) \| new_flags;
1025	return true;
1026	}
1027
1028	return false;
1029	}
1030
1031	bool
1032	bgPixmap_t::set_shade (const char *shade_str)
1033	{
1034	int new_shade = (shade_str) ? atoi (shade_str) : 0;
1035
1036	if (new_shade < 0 && new_shade > -100)
1037	new_shade = 200 - (100 + new_shade);
1038	else if (new_shade == 100)
1039	new_shade = 0;
1040
1041	if (new_shade != shade)
1042	{
1043	unsigned long new_flags = compute_tint_shade_flags ((flags & tintSet) ? &tint : NULL, new_shade);
1044	shade = new_shade;
1045	flags = (flags & (~tintFlags \| tintSet)) \| new_flags;
1046	return true;
1047	}
1048
1049	return false;
1050	}
1051
1052	bool
1053	bgPixmap_t::tint_pixmap (Pixmap pixmap)
1054	{
1055	Window root = target->display->root;
1056	Display *dpy = target->dpy;
1057	int window_width = target->szHint.width;
1058	int window_height = target->szHint.height;
1059	bool ret = false;	781	bool ret = false;
		782	#if XRENDER
		783	if (!(bg_flags & BG_HAS_RENDER_CONV))
		784	return false;
1060		785
1061	if (flags & tintWholesome)	786	int size = max (h_blurRadius, v_blurRadius) * 2 + 1;
		787	double kernel = (double )malloc (size * sizeof (double));
		788	XFixed params = (XFixed )malloc ((size + 2) * sizeof (XFixed));
		789
		790	XRenderPictureAttributes pa;
		791	XRenderPictFormat *format = XRenderFindVisualFormat (dpy, visual);
		792
		793	pa.repeat = RepeatPad;
		794	Picture src = XRenderCreatePicture (dpy, pixmap, format, CPRepeat, &pa);
		795	Pixmap tmp = XCreatePixmap (dpy, pixmap, width, height, depth);
		796	Picture dst = XRenderCreatePicture (dpy, tmp, format, CPRepeat, &pa);
		797	XFreePixmap (dpy, tmp);
		798
		799	if (kernel && params)
		800	{
		801	size = h_blurRadius * 2 + 1;
		802	get_gaussian_kernel (h_blurRadius, size, kernel, params);
		803
		804	XRenderSetPictureFilter (dpy, src, FilterConvolution, params, size+2);
		805	XRenderComposite (dpy,
		806	PictOpSrc,
		807	src,
		808	None,
		809	dst,
		810	0, 0,
		811	0, 0,
		812	0, 0,
		813	width, height);
		814
		815	::swap (src, dst);
		816
		817	size = v_blurRadius * 2 + 1;
		818	get_gaussian_kernel (v_blurRadius, size, kernel, params);
		819	::swap (params[0], params[1]);
		820
		821	XRenderSetPictureFilter (dpy, src, FilterConvolution, params, size+2);
		822	XRenderComposite (dpy,
		823	PictOpSrc,
		824	src,
		825	None,
		826	dst,
		827	0, 0,
		828	0, 0,
		829	0, 0,
		830	width, height);
		831
		832	ret = true;
		833	}
		834
		835	free (kernel);
		836	free (params);
		837	XRenderFreePicture (dpy, src);
		838	XRenderFreePicture (dpy, dst);
		839	#endif
		840	return ret;
		841	}
		842
		843	bool
		844	rxvt_term::tint_pixmap (Pixmap pixmap, Visual *visual, int width, int height)
		845	{
		846	bool ret = false;
		847
		848	if (shade == 100 && (bg_flags & BG_TINT_BITAND))
1062	{	849	{
1063	XGCValues gcv;	850	XGCValues gcv;
1064	GC gc;	851	GC gc;
1065		852
1066	/* In this case we can tint image server-side getting significant	853	/* In this case we can tint image server-side getting significant
1067	* performance improvements, as we eliminate XImage transfer	854	* performance improvements, as we eliminate XImage transfer
1068	*/	855	*/
1069	gcv.foreground = Pixel (tint);	856	gcv.foreground = Pixel (tint);
1070	gcv.function = GXand;	857	gcv.function = GXand;
1071	gcv.fill_style = FillSolid;	858	gcv.fill_style = FillSolid;
1072	gc = XCreateGC (dpy, root, GCFillStyle \| GCForeground \| GCFunction, &gcv);	859	gc = XCreateGC (dpy, pixmap, GCFillStyle \| GCForeground \| GCFunction, &gcv);
1073	if (gc)	860	if (gc)
1074	{	861	{
1075	XFillRectangle (dpy, pixmap, gc, 0, 0, window_width, window_height);	862	XFillRectangle (dpy, pixmap, gc, 0, 0, width, height);
1076	ret = true;	863	ret = true;
1077	XFreeGC (dpy, gc);	864	XFreeGC (dpy, gc);
1078	}	865	}
1079	}	866	}
1080	else	867	# if XRENDER
		868	else if (bg_flags & BG_HAS_RENDER)
1081	{	869	{
1082	# if XFT
1083	rgba c (rgba::MAX_CC,rgba::MAX_CC,rgba::MAX_CC);	870	rgba c (rgba::MAX_CC, rgba::MAX_CC, rgba::MAX_CC);
1084		871
1085	if (flags & tintSet)	872	if (bg_flags & BG_TINT_SET)
1086	tint.get (c);	873	tint.get (c);
1087		874
1088	if (shade > 0 && shade < 100)	875	if (shade <= 100)
1089	{	876	{
1090	c.r = (c.r * shade) / 100;	877	c.r = c.r * shade / 100;
1091	c.g = (c.g * shade) / 100;	878	c.g = c.g * shade / 100;
1092	c.b = (c.b * shade) / 100;	879	c.b = c.b * shade / 100;
1093	}	880	}
1094	else if (shade > 100 && shade < 200)	881	else
1095	{	882	{
1096	c.r = (c.r * (200 - shade)) / 100;	883	c.r = c.r * (200 - shade) / 100;
1097	c.g = (c.g * (200 - shade)) / 100;	884	c.g = c.g * (200 - shade) / 100;
1098	c.b = (c.b * (200 - shade)) / 100;	885	c.b = c.b * (200 - shade) / 100;
1099	}	886	}
1100		887
1101	XRenderPictFormat pf;
1102	pf.type = PictTypeDirect;
1103	pf.depth = 32;
1104	pf.direct.redMask = 0xff;
1105	pf.direct.greenMask = 0xff;
1106	pf.direct.blueMask = 0xff;
1107	pf.direct.alphaMask = 0xff;
1108
1109	XRenderPictFormat *solid_format = XRenderFindFormat (dpy,	888	XRenderPictFormat *format = XRenderFindVisualFormat (dpy, visual);
1110	(PictFormatType\|
1111	PictFormatDepth\|
1112	PictFormatRedMask\|
1113	PictFormatGreenMask\|
1114	PictFormatBlueMask\|
1115	PictFormatAlphaMask),
1116	&pf,
1117	0);
1118	XRenderPictFormat *root_format = XRenderFindVisualFormat (dpy, DefaultVisualOfScreen (ScreenOfDisplay (dpy, target->display->screen)));
1119	XRenderPictureAttributes pa;
1120		889
1121	Picture back_pic = XRenderCreatePicture (dpy, pixmap, root_format, 0, &pa);	890	Picture back_pic = XRenderCreatePicture (dpy, pixmap, format, 0, 0);
1122		891
1123	pa.repeat = True;	892	Picture overlay_pic = create_xrender_mask (dpy, pixmap, True, False);
1124		893
1125	Pixmap overlay_pmap = XCreatePixmap (dpy, root, 1, 1, 32);	894	Picture mask_pic = create_xrender_mask (dpy, pixmap, True, True);
1126	Picture overlay_pic = XRenderCreatePicture (dpy, overlay_pmap, solid_format, CPRepeat, &pa);
1127	XFreePixmap (dpy, overlay_pmap);
1128		895
1129	pa.component_alpha = True;
1130	Pixmap mask_pmap = XCreatePixmap (dpy, root, 1, 1, 32);
1131	Picture mask_pic = XRenderCreatePicture (dpy, mask_pmap, solid_format, CPRepeat\|CPComponentAlpha, &pa);
1132	XFreePixmap (dpy, mask_pmap);
1133
1134	if (mask_pic && overlay_pic && back_pic)
1135	{
1136	XRenderColor mask_c;	896	XRenderColor mask_c;
1137		897
1138	memset (&mask_c, (shade > 100) ? 0xFF : 0x0, sizeof (mask_c));
1139	mask_c.alpha = 0xffff;	898	mask_c.alpha = 0xffff;
		899	mask_c.red =
		900	mask_c.green =
		901	mask_c.blue = 0;
		902	XRenderFillRectangle (dpy, PictOpSrc, overlay_pic, &mask_c, 0, 0, 1, 1);
		903
		904	mask_c.alpha = 0;
		905	mask_c.red = 0xffff - c.r;
		906	mask_c.green = 0xffff - c.g;
		907	mask_c.blue = 0xffff - c.b;
		908	XRenderFillRectangle (dpy, PictOpSrc, mask_pic, &mask_c, 0, 0, 1, 1);
		909
		910	XRenderComposite (dpy, PictOpOver, overlay_pic, mask_pic, back_pic, 0, 0, 0, 0, 0, 0, width, height);
		911
		912	if (shade > 100)
		913	{
		914	mask_c.alpha = 0;
		915	mask_c.red =
		916	mask_c.green =
		917	mask_c.blue = 0xffff * (shade - 100) / 100;
1140	XRenderFillRectangle (dpy, PictOpSrc, overlay_pic, &mask_c, 0, 0, 1, 1);	918	XRenderFillRectangle (dpy, PictOpSrc, overlay_pic, &mask_c, 0, 0, 1, 1);
1141		919
1142	mask_c.alpha = 0;
1143	mask_c.red = 0xffff - c.r;
1144	mask_c.green = 0xffff - c.g;
1145	mask_c.blue = 0xffff - c.b;
1146	XRenderFillRectangle (dpy, PictOpSrc, mask_pic, &mask_c, 0, 0, 1, 1);
1147	XRenderComposite (dpy, PictOpOver, overlay_pic, mask_pic, back_pic, 0, 0, 0, 0, 0, 0, window_width, window_height);	920	XRenderComposite (dpy, PictOpOver, overlay_pic, None, back_pic, 0, 0, 0, 0, 0, 0, width, height);
1148	ret = true;
1149	}	921	}
		922
		923	ret = true;
1150		924
1151	XRenderFreePicture (dpy, mask_pic);	925	XRenderFreePicture (dpy, mask_pic);
1152	XRenderFreePicture (dpy, overlay_pic);	926	XRenderFreePicture (dpy, overlay_pic);
1153	XRenderFreePicture (dpy, back_pic);	927	XRenderFreePicture (dpy, back_pic);
1154	# if DO_TIMING_TEST	928	}
1155	XSync (dpy, False);
1156	# endif
1157	# endif	929	# endif
1158	}
1159		930
1160	return ret;	931	return ret;
1161	}	932	}
1162		933
1163	/* make_transparency_pixmap()	934	/*
1164	* Builds a pixmap sized the same as terminal window, with depth same as the root window	935	* Builds a pixmap of the same size as the terminal window that contains
1165	* that pixmap contains tiled portion of the root pixmap that is supposed to be covered by	936	* the tiled portion of the root pixmap that is supposed to be covered by
1166	* our window.	937	* our window.
1167	*/	938	*/
1168	unsigned long	939	bool
1169	bgPixmap_t::make_transparency_pixmap ()	940	rxvt_term::make_transparency_pixmap ()
1170	{	941	{
1171	unsigned long result = 0;	942	bool ret = false;
1172
1173	if (target == NULL)
1174	return 0;
1175		943
1176	/* root dimensions may change from call to call - but Display structure should	944	/* root dimensions may change from call to call - but Display structure should
1177	* be always up-to-date, so let's use it :	945	* be always up-to-date, so let's use it :
1178	*/	946	*/
1179	Window root = target->display->root;
1180	int screen = target->display->screen;	947	int screen = display->screen;
1181	Display *dpy = target->dpy;	948	int root_depth = DefaultDepth (dpy, screen);
1182	int root_width = DisplayWidth (dpy, screen);	949	int root_width = DisplayWidth (dpy, screen);
1183	int root_height = DisplayHeight (dpy, screen);	950	int root_height = DisplayHeight (dpy, screen);
1184	unsigned int root_pmap_width, root_pmap_height;	951	unsigned int root_pmap_width, root_pmap_height;
1185	int window_width = target->szHint.width;	952	int window_width = szHint.width;
1186	int window_height = target->szHint.height;	953	int window_height = szHint.height;
1187	int sx, sy;	954	int sx, sy;
1188	XGCValues gcv;	955	XGCValues gcv;
		956	GC gc;
1189		957
1190	TIMING_TEST_START (tp);	958	sx = target_x;
1191	target->get_window_origin (sx, sy);	959	sy = target_y;
1192		960
1193	/* check if we are outside of the visible part of the virtual screen : */	961	/* check if we are outside of the visible part of the virtual screen : */
1194	if (sx + window_width <= 0 \|\| sy + window_height <= 0	962	if (sx + window_width <= 0 \|\| sy + window_height <= 0
1195	\|\| sx >= root_width \|\| sy >= root_height)	963	\|\| sx >= root_width \|\| sy >= root_height)
1196	return 0;	964	return 0;
1197		965
		966	// validate root pixmap and get its size
1198	if (root_pixmap != None)	967	if (root_pixmap != None)
1199	{	968	{
1200	/* we want to validate the pixmap and get it's size at the same time : */	969	Window wdummy;
1201	int junk;	970	int idummy;
1202	unsigned int ujunk;	971	unsigned int udummy;
1203	/* root pixmap may be bad - allow a error */	972
1204	target->allowedxerror = -1;	973	allowedxerror = -1;
1205		974
1206	if (!XGetGeometry (dpy, root_pixmap, &root, &junk, &junk, &root_pmap_width, &root_pmap_height, &ujunk, &ujunk))	975	if (!XGetGeometry (dpy, root_pixmap, &wdummy, &idummy, &idummy, &root_pmap_width, &root_pmap_height, &udummy, &udummy))
1207	root_pixmap = None;	976	root_pixmap = None;
1208		977
1209	target->allowedxerror = 0;	978	allowedxerror = 0;
1210	}
1211
1212	Pixmap tiled_root_pmap = XCreatePixmap (dpy, root, window_width, window_height, root_depth);
1213	GC gc = NULL;
1214
1215	if (tiled_root_pmap == None) /* something really bad happened - abort */
1216	return 0;
1217
1218	if (root_pixmap == None)
1219	{	979	}
1220	/* use tricks to obtain the root background image :*/
1221	/* we want to create Overrideredirect window overlapping out window
1222	with background type of Parent Relative and then grab it */
1223	XSetWindowAttributes attr;
1224	Window src;
1225	bool success = false;
1226		980
1227	attr.background_pixmap = ParentRelative;	981	Pixmap recoded_root_pmap = root_pixmap;
1228	attr.backing_store = Always;
1229	attr.event_mask = ExposureMask;
1230	attr.override_redirect = True;
1231	src = XCreateWindow (dpy, root, sx, sy, window_width, window_height, 0,
1232	CopyFromParent, CopyFromParent, CopyFromParent,
1233	CWBackPixmap\|CWBackingStore\|CWOverrideRedirect\|CWEventMask,
1234	&attr);
1235		982
1236	if (src != None)	983	if (root_pixmap != None && root_depth != depth)
1237	{	984	{
1238	XEvent event;	985	#if XRENDER
1239	int ev_count = 0;	986	if (bg_flags & BG_HAS_RENDER)
1240	XGrabServer (dpy);
1241	XMapRaised (dpy, src);
1242	XSync (dpy, False);
1243
1244	/* XSync should get window where it's properly exposed,
1245	* but to be on the safe side - let's check for the actual event to arrive : */
1246	while (XCheckWindowEvent (dpy, src, ExposureMask, &event))
1247	++ev_count;
1248
1249	if (ev_count > 0);
1250	{
1251	/* hooray! - we can grab the image! */
1252	gc = XCreateGC (dpy, root, 0, NULL);
1253	if (gc)
1254	{
1255	XCopyArea (dpy, src, tiled_root_pmap, gc, 0, 0, window_width, window_height, 0, 0);
1256	success = true;
1257	}
1258	}
1259
1260	XDestroyWindow (dpy, src);
1261	XUngrabServer (dpy);
1262	//fprintf (stderr, "%s:%d: ev_count = %d\n", __FUNCTION__, __LINE__, ev_count);
1263	}	987	{
		988	recoded_root_pmap = XCreatePixmap (dpy, vt, root_pmap_width, root_pmap_height, depth);
1264		989
1265	if (!success)	990	XRenderPictFormat *src_format = XRenderFindVisualFormat (dpy, DefaultVisual (dpy, screen));
1266	{	991	Picture src = XRenderCreatePicture (dpy, root_pixmap, src_format, 0, 0);
1267	XFreePixmap (dpy, tiled_root_pmap);	992
1268	tiled_root_pmap = None;	993	XRenderPictFormat *dst_format = XRenderFindVisualFormat (dpy, visual);
		994	Picture dst = XRenderCreatePicture (dpy, recoded_root_pmap, dst_format, 0, 0);
		995
		996	XRenderComposite (dpy, PictOpSrc, src, None, dst, 0, 0, 0, 0, 0, 0, root_pmap_width, root_pmap_height);
		997
		998	XRenderFreePicture (dpy, src);
		999	XRenderFreePicture (dpy, dst);
1269	}	1000	}
1270	else	1001	else
1271	result \|= transpPmapTiled;	1002	#endif
1272	}	1003	recoded_root_pmap = None;
1273	else
1274	{	1004	}
		1005
		1006	if (recoded_root_pmap == None)
		1007	return 0;
		1008
		1009	if (bg_pixmap == None
		1010	\|\| bg_pmap_width != window_width
		1011	\|\| bg_pmap_height != window_height)
		1012	{
		1013	if (bg_pixmap)
		1014	XFreePixmap (dpy, bg_pixmap);
		1015	bg_pixmap = XCreatePixmap (dpy, vt, window_width, window_height, depth);
		1016	bg_pmap_width = window_width;
		1017	bg_pmap_height = window_height;
		1018	}
		1019
1275	/* straightforward pixmap copy */	1020	/* straightforward pixmap copy */
		1021	while (sx < 0) sx += root_pmap_width;
		1022	while (sy < 0) sy += root_pmap_height;
		1023
1276	gcv.tile = root_pixmap;	1024	gcv.tile = recoded_root_pmap;
1277	gcv.fill_style = FillTiled;	1025	gcv.fill_style = FillTiled;
1278
1279	while (sx < 0) sx += (int)root_width;
1280	while (sy < 0) sy += (int)root_height;
1281
1282	gcv.ts_x_origin = -sx;	1026	gcv.ts_x_origin = -sx;
1283	gcv.ts_y_origin = -sy;	1027	gcv.ts_y_origin = -sy;
1284	gc = XCreateGC (dpy, root, GCFillStyle \| GCTile \| GCTileStipXOrigin \| GCTileStipYOrigin, &gcv);	1028	gc = XCreateGC (dpy, vt, GCFillStyle \| GCTile \| GCTileStipXOrigin \| GCTileStipYOrigin, &gcv);
1285		1029
1286	if (gc)	1030	if (gc)
1287	{	1031	{
1288	XFillRectangle (dpy, tiled_root_pmap, gc, 0, 0, window_width, window_height);	1032	XFillRectangle (dpy, bg_pixmap, gc, 0, 0, window_width, window_height);
1289	result \|= transpPmapTiled;	1033	ret = true;
		1034	unsigned long tr_flags = bg_flags & BG_EFFECTS_FLAGS;
		1035
		1036	if (!(bg_flags & BG_CLIENT_RENDER))
		1037	{
		1038	if (bg_flags & BG_NEEDS_BLUR)
		1039	{
		1040	if (blur_pixmap (bg_pixmap, visual, window_width, window_height, depth))
		1041	tr_flags &= ~BG_NEEDS_BLUR;
		1042	}
		1043	if (bg_flags & BG_NEEDS_TINT)
		1044	{
		1045	if (tint_pixmap (bg_pixmap, visual, window_width, window_height))
		1046	tr_flags &= ~BG_NEEDS_TINT;
		1047	}
		1048	if (tr_flags & BG_NEEDS_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 (DefaultVisual (dpy, display->screen), 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	bool transparent = false;
		1086
		1087	bg_invalidate ();
		1088	# ifdef ENABLE_TRANSPARENCY
		1089	if (bg_flags & BG_IS_TRANSPARENT)
		1090	{
		1091	/* we need to re-generate transparency pixmap in that case ! */
		1092	transparent = make_transparency_pixmap ();
		1093	if (transparent)
		1094	bg_flags \|= BG_IS_VALID;
		1095	}
		1096	# endif
		1097
		1098	# ifdef BG_IMAGE_FROM_FILE
		1099	if (bg_flags & BG_IS_FROM_FILE)
		1100	{
		1101	if (render_image (transparent))
		1102	bg_flags \|= BG_IS_VALID;
		1103	}
		1104	# endif
		1105
		1106	if (!(bg_flags & BG_IS_VALID))
		1107	{
		1108	if (bg_pixmap != None)
		1109	{
		1110	XFreePixmap (dpy, bg_pixmap);
		1111	bg_pixmap = None;
1290	}	1112	}
1291	}	1113	}
1292	TIMING_TEST_PRINT_RESULT (tp);
1293		1114
1294	if (tiled_root_pmap != None)	1115	scr_recolour (false);
1295	{	1116	bg_flags \|= BG_NEEDS_REFRESH;
1296	if (!need_client_side_rendering ())
1297	{
1298	if ((flags & tintNeeded))
1299	{
1300	if (tint_pixmap (tiled_root_pmap))
1301	result \|= transpPmapTinted;
1302	}
1303	} /* server side rendering completed */
1304		1117
1305	if (pixmap)
1306	XFreePixmap (dpy, pixmap);
1307
1308	pixmap = tiled_root_pmap;
1309	pmap_width = window_width;
1310	pmap_height = window_height;
1311	pmap_depth = root_depth;
1312	}
1313
1314	if (gc)
1315	XFreeGC (dpy, gc);
1316
1317	TIMING_TEST_PRINT_RESULT (tp);
1318
1319	return result;
1320	}
1321
1322	bool
1323	bgPixmap_t::set_root_pixmap ()
1324	{
1325	Pixmap new_root_pixmap = target->get_pixmap_property (XA_XROOTPMAP_ID);
1326	if (new_root_pixmap == None)
1327	new_root_pixmap = target->get_pixmap_property (XA_ESETROOT_PMAP_ID);
1328
1329	if (new_root_pixmap != root_pixmap)
1330	{
1331	root_pixmap = new_root_pixmap;
1332	return true;
1333	}
1334
1335	return false;
1336	}
1337	# endif /* ENABLE_TRANSPARENCY */
1338
1339	# ifndef HAVE_AFTERIMAGE
1340	static void ShadeXImage(rxvt_term term, XImage srcImage, int shade, int rm, int gm, int bm);
1341	# endif
1342
1343	bool
1344	bgPixmap_t::render ()
1345	{
1346	unsigned long background_flags = 0;
1347
1348	if (target == NULL)
1349	return false;
1350
1351	TIMING_TEST_START (tp);
1352
1353	invalidate ();
1354	# ifdef ENABLE_TRANSPARENCY
1355	if (flags & isTransparent)
1356	{
1357	/* we need to re-generate transparency pixmap in that case ! */
1358	background_flags = make_transparency_pixmap ();
1359	if (background_flags == 0)
1360	return false;
1361	else if ((background_flags & transpTransformations) == (flags & transpTransformations)
1362	&& pmap_depth == target->depth)
1363	flags = flags & ~isInvalid;
1364	}
1365	# endif
1366
1367	# ifdef BG_IMAGE_FROM_FILE
1368	if (have_image
1369	\|\| (background_flags & transpTransformations) != (flags & transpTransformations))
1370	{
1371	if (render_image (background_flags))
1372	flags = flags & ~isInvalid;
1373	}
1374	# endif
1375
1376	XImage *result = NULL;
1377
1378	if (background_flags && (flags & isInvalid))
1379	{
1380	result = XGetImage (target->dpy, pixmap, 0, 0, pmap_width, pmap_height, AllPlanes, ZPixmap);
1381	}
1382
1383	if (result)
1384	{
1385	# if !defined(HAVE_AFTERIMAGE) && !XFT
1386	/* our own client-side tinting */
1387	/* ATTENTION: We ASSUME that XFT will let us do all the tinting necessary server-side.
1388	This may need to be changed in need_client_side_rendering() logic is altered !!! */
1389	if (!(background_flags & transpPmapTinted) && (flags & tintNeeded))
1390	{
1391	rgba c (rgba::MAX_CC,rgba::MAX_CC,rgba::MAX_CC);
1392	if (flags & tintSet)
1393	tint.get (c);
1394	ShadeXImage (target, result, shade, c.r, c.g, c.b);
1395	}
1396	# endif
1397
1398	GC gc = XCreateGC (target->dpy, target->vt, 0UL, NULL);
1399
1400	if (gc)
1401	{
1402	if (/pmap_depth != target->depth &&/ pixmap != None)
1403	{
1404	XFreePixmap (target->dpy, pixmap);
1405	pixmap = None;
1406	}
1407
1408	if (pixmap == None)
1409	{
1410	pixmap = XCreatePixmap (target->dpy, target->vt, result->width, result->height, target->depth);
1411	pmap_width = result->width;
1412	pmap_height = result->height;
1413	pmap_depth = target->depth;
1414	}
1415
1416	if (pmap_depth != result->depth)
1417	{
1418	/* Bad Match error will ensue ! stupid X !!!! */
1419	if (result->depth == 24 && pmap_depth == 32)
1420	result->depth = 32;
1421	else if (result->depth == 32 && pmap_depth == 24)
1422	result->depth = 24;
1423	else
1424	{
1425	/* TODO: implement image recoding */
1426	}
1427	}
1428
1429	if (pmap_depth == result->depth)
1430	XPutImage (target->dpy, pixmap, gc, result, 0, 0, 0, 0, result->width, result->height);
1431
1432	XFreeGC (target->dpy, gc);
1433	flags = flags & ~isInvalid;
1434	}
1435
1436	XDestroyImage (result);
1437	}
1438
1439	if (flags & isInvalid)
1440	{
1441	if (pixmap != None)
1442	{
1443	XFreePixmap (target->dpy, pixmap);
1444	pixmap = None;
1445	}
1446	}
1447
1448	apply ();
1449
1450	XSync (target->dpy, False);
1451	valid_since = ev::now ();	1118	bg_valid_since = ev::now ();
1452
1453	TIMING_TEST_PRINT_RESULT (tp);
1454		1119
1455	return true;	1120	return true;
1456	}	1121	}
1457		1122
1458	bool
1459	bgPixmap_t::set_target (rxvt_term *new_target)
1460	{
1461	if (new_target)
1462	if (target != new_target)
1463	{
1464	target = new_target;
1465	# ifdef ENABLE_TRANSPARENCY
1466	root_depth = DefaultDepthOfScreen (ScreenOfDisplay (target->dpy, target->display->screen));
1467	# endif
1468	return true;
1469	}
1470
1471	return false;
1472	}
1473
1474	void	1123	void
1475	bgPixmap_t::apply ()	1124	rxvt_term::bg_init ()
1476	{	1125	{
1477	if (target)
1478	{
1479	flags &= ~isVtOrigin;
1480
1481	if (pixmap != None)
1482	{
1483	/* set target's background to pixmap */
1484	# ifdef ENABLE_TRANSPARENCY	1126	#ifdef ENABLE_TRANSPARENCY
1485	if (flags & isTransparent)	1127	shade = 100;
1486	{
1487	XSetWindowBackgroundPixmap (target->dpy, target->parent[0], pixmap);
1488	XSetWindowBackgroundPixmap (target->dpy, target->vt, ParentRelative);
1489
1490	if (target->scrollBar.win)
1491	XSetWindowBackgroundPixmap (target->dpy, target->scrollBar.win, ParentRelative);
1492	}
1493	else
1494	# endif	1128	#endif
1495	{
1496	flags \|= isVtOrigin;
1497	/* force old pixmap dereference in case it was transparent before :*/
1498	XSetWindowBackground (target->dpy, target->parent[0], target->pix_colors[Color_border]);
1499	XSetWindowBackgroundPixmap (target->dpy, target->vt, pixmap);
1500	/* do we also need to set scrollbar's background here ? */
1501		1129
1502	if (target->scrollBar.win)	1130	bg_flags &= ~(BG_HAS_RENDER \| BG_HAS_RENDER_CONV);
1503	XSetWindowBackground (target->dpy, target->scrollBar.win, target->pix_colors[Color_border]);	1131	#if XRENDER
1504	}	1132	int major, minor;
1505	}	1133	if (XRenderQueryVersion (dpy, &major, &minor))
1506	else	1134	bg_flags \|= BG_HAS_RENDER;
1507	{	1135	XFilters *filters = XRenderQueryFilters (dpy, vt);
1508	/* set target background to a pixel */	1136	if (filters)
1509	XSetWindowBackground (target->dpy, target->parent[0], target->pix_colors[Color_border]);
1510	XSetWindowBackground (target->dpy, target->vt, target->pix_colors[Color_bg]);
1511	/* do we also need to set scrollbar's background here ? */
1512	if (target->scrollBar.win)
1513	XSetWindowBackground (target->dpy, target->scrollBar.win, target->pix_colors[Color_border]);
1514	}
1515
1516	/* don't want Expose on the parent or vt. It is better to use
1517	scr_touch or we get a great deal of flicker otherwise: */
1518	XClearWindow (target->dpy, target->parent[0]);
1519
1520	if (target->scrollBar.state && target->scrollBar.win)
1521	{
1522	target->scrollBar.state = STATE_IDLE;
1523	target->scrollBar.show (0);
1524	}
1525
1526	target->want_refresh = 1;
1527	flags \|= hasChanged;
1528	}	1137	{
		1138	for (int i = 0; i < filters->nfilter; i++)
		1139	if (!strcmp (filters->filter[i], FilterConvolution))
		1140	bg_flags \|= BG_HAS_RENDER_CONV;
		1141
		1142	XFree (filters);
		1143	}
		1144	#endif
1529	}	1145	}
1530		1146
1531	#endif /* HAVE_BG_PIXMAP */	1147	#endif /* HAVE_BG_PIXMAP */
1532		1148
1533	#if defined(ENABLE_TRANSPARENCY) && !defined(HAVE_AFTERIMAGE) && !XFT	1149	#ifdef ENABLE_TRANSPARENCY
1534	/* taken from aterm-0.4.2 */	1150	/* based on code from aterm-0.4.2 */
1535		1151
1536	typedef uint32_t RUINT32T;
1537
1538	static void	1152	static inline void
1539	ShadeXImage(rxvt_term term, XImage srcImage, int shade, int rm, int gm, int bm)	1153	fill_lut (uint32_t *lookup, uint32_t mask, int sh, unsigned short low, unsigned short high)
1540	{	1154	{
		1155	for (int i = 0; i <= mask >> sh; i++)
		1156	{
		1157	uint32_t tmp;
		1158	tmp = i * high;
		1159	tmp += (mask >> sh) * low;
		1160	lookup[i] = (tmp / 0xffff) << sh;
		1161	}
		1162	}
		1163
		1164	void
		1165	rxvt_term::tint_ximage (Visual visual, XImage ximage)
		1166	{
		1167	unsigned int size_r, size_g, size_b;
1541	int sh_r, sh_g, sh_b;	1168	int sh_r, sh_g, sh_b;
1542	RUINT32T mask_r, mask_g, mask_b;	1169	uint32_t mask_r, mask_g, mask_b;
1543	RUINT32T lookup, lookup_r, lookup_g, lookup_b;	1170	uint32_t lookup, lookup_r, lookup_g, lookup_b;
1544	unsigned int lower_lim_r, lower_lim_g, lower_lim_b;	1171	unsigned short low;
1545	unsigned int upper_lim_r, upper_lim_g, upper_lim_b;	1172	int host_byte_order = ecb_big_endian () ? MSBFirst : LSBFirst;
1546	int i;
1547		1173
1548	Visual *visual = term->visual;
1549
1550	if (visual->c_class != TrueColor \|\| srcImage->format != ZPixmap) return ;	1174	if (visual->c_class != TrueColor \|\| ximage->format != ZPixmap) return;
1551
1552	if (shade == 0)
1553	shade = 100;
1554		1175
1555	/* for convenience */	1176	/* for convenience */
1556	mask_r = visual->red_mask;	1177	mask_r = visual->red_mask;
1557	mask_g = visual->green_mask;	1178	mask_g = visual->green_mask;
1558	mask_b = visual->blue_mask;	1179	mask_b = visual->blue_mask;
1559		1180
1560	/* boring lookup table pre-initialization */	1181	/* boring lookup table pre-initialization */
1561	switch (srcImage->bits_per_pixel) {	1182	sh_r = ecb_ctz32 (mask_r);
1562	case 15:	1183	sh_g = ecb_ctz32 (mask_g);
1563	if ((mask_r != 0x7c00) \|\|	1184	sh_b = ecb_ctz32 (mask_b);
1564	(mask_g != 0x03e0) \|\|	1185
1565	(mask_b != 0x001f))	1186	size_r = mask_r >> sh_r;
		1187	size_g = mask_g >> sh_g;
		1188	size_b = mask_b >> sh_b;
		1189
		1190	if (size_r++ > 255 \|\| size_g++ > 255 \|\| size_b++ > 255)
1566	return;	1191	return;
1567	lookup = (RUINT32T ) malloc (sizeof (RUINT32T)(32+32+32));	1192
		1193	lookup = (uint32_t )malloc (sizeof (uint32_t) (size_r + size_g + size_b));
1568	lookup_r = lookup;	1194	lookup_r = lookup;
1569	lookup_g = lookup+32;	1195	lookup_g = lookup + size_r;
1570	lookup_b = lookup+32+32;	1196	lookup_b = lookup + size_r + size_g;
1571	sh_r = 10;	1197
1572	sh_g = 5;	1198	rgba c (rgba::MAX_CC, rgba::MAX_CC, rgba::MAX_CC);
1573	sh_b = 0;	1199
1574	break;	1200	if (bg_flags & BG_TINT_SET)
1575	case 16:	1201	tint.get (c);
1576	if ((mask_r != 0xf800) \|\|
1577	(mask_g != 0x07e0) \|\|
1578	(mask_b != 0x001f))
1579	return;
1580	lookup = (RUINT32T ) malloc (sizeof (RUINT32T)(32+64+32));
1581	lookup_r = lookup;
1582	lookup_g = lookup+32;
1583	lookup_b = lookup+32+64;
1584	sh_r = 11;
1585	sh_g = 5;
1586	sh_b = 0;
1587	break;
1588	case 24:
1589	if ((mask_r != 0xff0000) \|\|
1590	(mask_g != 0x00ff00) \|\|
1591	(mask_b != 0x0000ff))
1592	return;
1593	lookup = (RUINT32T ) malloc (sizeof (RUINT32T)(256+256+256));
1594	lookup_r = lookup;
1595	lookup_g = lookup+256;
1596	lookup_b = lookup+256+256;
1597	sh_r = 16;
1598	sh_g = 8;
1599	sh_b = 0;
1600	break;
1601	case 32:
1602	if ((mask_r != 0xff0000) \|\|
1603	(mask_g != 0x00ff00) \|\|
1604	(mask_b != 0x0000ff))
1605	return;
1606	lookup = (RUINT32T ) malloc (sizeof (RUINT32T)(256+256+256));
1607	lookup_r = lookup;
1608	lookup_g = lookup+256;
1609	lookup_b = lookup+256+256;
1610	sh_r = 16;
1611	sh_g = 8;
1612	sh_b = 0;
1613	break;
1614	default:
1615	return; /* we do not support this color depth */
1616	}
1617		1202
1618	/* prepare limits for color transformation (each channel is handled separately) */	1203	/* prepare limits for color transformation (each channel is handled separately) */
1619	if (shade < 0) {	1204	if (shade > 100)
1620	shade = -shade;
1621	if (shade < 0) shade = 0;
1622	if (shade > 100) shade = 100;
1623
1624	lower_lim_r = 65535-rm;
1625	lower_lim_g = 65535-gm;
1626	lower_lim_b = 65535-bm;
1627
1628	lower_lim_r = 65535-(unsigned int)(((RUINT32T)lower_lim_r)*((RUINT32T)shade)/100);
1629	lower_lim_g = 65535-(unsigned int)(((RUINT32T)lower_lim_g)*((RUINT32T)shade)/100);
1630	lower_lim_b = 65535-(unsigned int)(((RUINT32T)lower_lim_b)*((RUINT32T)shade)/100);
1631
1632	upper_lim_r = upper_lim_g = upper_lim_b = 65535;
1633	} else {
1634	if (shade < 0) shade = 0;
1635	if (shade > 100) shade = 100;
1636
1637	lower_lim_r = lower_lim_g = lower_lim_b = 0;
1638
1639	upper_lim_r = (unsigned int)((((RUINT32T)rm)*((RUINT32T)shade))/100);
1640	upper_lim_g = (unsigned int)((((RUINT32T)gm)*((RUINT32T)shade))/100);
1641	upper_lim_b = (unsigned int)((((RUINT32T)bm)*((RUINT32T)shade))/100);
1642	}
1643
1644	/* switch red and blue bytes if necessary, we need it for some weird XServers like XFree86 3.3.3.1 */
1645	if ((srcImage->bits_per_pixel == 24) && (mask_r >= 0xFF0000 ))
1646	{	1205	{
1647	unsigned int tmp;	1206	c.r = c.r * (200 - shade) / 100;
		1207	c.g = c.g * (200 - shade) / 100;
		1208	c.b = c.b * (200 - shade) / 100;
1648		1209
1649	tmp = lower_lim_r;	1210	low = 0xffff * (shade - 100) / 100;
1650	lower_lim_r = lower_lim_b;
1651	lower_lim_b = tmp;
1652
1653	tmp = upper_lim_r;
1654	upper_lim_r = upper_lim_b;
1655	upper_lim_b = tmp;
1656	}	1211	}
		1212	else
		1213	{
		1214	c.r = c.r * shade / 100;
		1215	c.g = c.g * shade / 100;
		1216	c.b = c.b * shade / 100;
		1217
		1218	low = 0;
		1219	}
1657		1220
1658	/* fill our lookup tables */	1221	/* fill our lookup tables */
1659	for (i = 0; i <= mask_r>>sh_r; i++)	1222	fill_lut (lookup_r, mask_r, sh_r, low, c.r);
1660	{	1223	fill_lut (lookup_g, mask_g, sh_g, low, c.g);
1661	RUINT32T tmp;	1224	fill_lut (lookup_b, mask_b, sh_b, low, c.b);
1662	tmp = ((RUINT32T)i)*((RUINT32T)(upper_lim_r-lower_lim_r));
1663	tmp += ((RUINT32T)(mask_r>>sh_r))*((RUINT32T)lower_lim_r);
1664	lookup_r[i] = (tmp/65535)<<sh_r;
1665	}
1666	for (i = 0; i <= mask_g>>sh_g; i++)
1667	{
1668	RUINT32T tmp;
1669	tmp = ((RUINT32T)i)*((RUINT32T)(upper_lim_g-lower_lim_g));
1670	tmp += ((RUINT32T)(mask_g>>sh_g))*((RUINT32T)lower_lim_g);
1671	lookup_g[i] = (tmp/65535)<<sh_g;
1672	}
1673	for (i = 0; i <= mask_b>>sh_b; i++)
1674	{
1675	RUINT32T tmp;
1676	tmp = ((RUINT32T)i)*((RUINT32T)(upper_lim_b-lower_lim_b));
1677	tmp += ((RUINT32T)(mask_b>>sh_b))*((RUINT32T)lower_lim_b);
1678	lookup_b[i] = (tmp/65535)<<sh_b;
1679	}
1680		1225
1681	/* apply table to input image (replacing colors by newly calculated ones) */	1226	/* apply table to input image (replacing colors by newly calculated ones) */
1682	switch (srcImage->bits_per_pixel)	1227	if (ximage->bits_per_pixel == 32
		1228	&& ximage->byte_order == host_byte_order)
1683	{	1229	{
1684	case 15:	1230	char *line = ximage->data;
1685	{	1231
1686	unsigned short p1, pf, p, pl;	1232	for (int y = 0; y < ximage->height; y++)
1687	p1 = (unsigned short *) srcImage->data;
1688	pf = (unsigned short ) (srcImage->data + srcImage->height srcImage->bytes_per_line);
1689	while (p1 < pf)
1690	{	1233	{
1691	p = p1;	1234	uint32_t p = (uint32_t )line;
1692	pl = p1 + srcImage->width;	1235	for (int x = 0; x < ximage->width; x++)
1693	for (; p < pl; p++)
1694	{	1236	{
1695	p = lookup_r[(p & 0x7c00)>>10] \|	1237	p = lookup_r[(p & mask_r) >> sh_r] \|
1696	lookup_g[(*p & 0x03e0)>> 5] \|	1238	lookup_g[(*p & mask_g) >> sh_g] \|
1697	lookup_b[(*p & 0x001f)];	1239	lookup_b[(*p & mask_b) >> sh_b];
		1240	p++;
		1241	}
		1242	line += ximage->bytes_per_line;
1698	}	1243	}
1699	p1 = (unsigned short ) ((char ) p1 + srcImage->bytes_per_line);
1700	}	1244	}
1701	break;	1245	else
1702	}
1703	case 16:
1704	{
1705	unsigned short p1, pf, p, pl;
1706	p1 = (unsigned short *) srcImage->data;
1707	pf = (unsigned short ) (srcImage->data + srcImage->height srcImage->bytes_per_line);
1708	while (p1 < pf)
1709	{	1246	{
1710	p = p1;	1247	for (int y = 0; y < ximage->height; y++)
1711	pl = p1 + srcImage->width;	1248	for (int x = 0; x < ximage->width; x++)
1712	for (; p < pl; p++)
1713	{	1249	{
1714	p = lookup_r[(p & 0xf800)>>11] \|	1250	unsigned long pixel = XGetPixel (ximage, x, y);
1715	lookup_g[(*p & 0x07e0)>> 5] \|	1251	pixel = lookup_r[(pixel & mask_r) >> sh_r] \|
1716	lookup_b[(*p & 0x001f)];	1252	lookup_g[(pixel & mask_g) >> sh_g] \|
		1253	lookup_b[(pixel & mask_b) >> sh_b];
		1254	XPutPixel (ximage, x, y, pixel);
1717	}	1255	}
1718	p1 = (unsigned short ) ((char ) p1 + srcImage->bytes_per_line);
1719	}	1256	}
1720	break;
1721	}
1722	case 24:
1723	{
1724	unsigned char p1, pf, p, pl;
1725	p1 = (unsigned char *) srcImage->data;
1726	pf = (unsigned char ) (srcImage->data + srcImage->height srcImage->bytes_per_line);
1727	while (p1 < pf)
1728	{
1729	p = p1;
1730	pl = p1 + srcImage->width * 3;
1731	for (; p < pl; p += 3)
1732	{
1733	p[0] = lookup_r[(p[0] & 0xff0000)>>16];
1734	p[1] = lookup_r[(p[1] & 0x00ff00)>> 8];
1735	p[2] = lookup_r[(p[2] & 0x0000ff)];
1736	}
1737	p1 = (unsigned char ) ((char ) p1 + srcImage->bytes_per_line);
1738	}
1739	break;
1740	}
1741	case 32:
1742	{
1743	RUINT32T p1, pf, p, pl;
1744	p1 = (RUINT32T *) srcImage->data;
1745	pf = (RUINT32T ) (srcImage->data + srcImage->height srcImage->bytes_per_line);
1746
1747	while (p1 < pf)
1748	{
1749	p = p1;
1750	pl = p1 + srcImage->width;
1751	for (; p < pl; p++)
1752	{
1753	p = lookup_r[(p & 0xff0000)>>16] \|
1754	lookup_g[(*p & 0x00ff00)>> 8] \|
1755	lookup_b[(*p & 0x0000ff)] \|
1756	(*p & ~0xffffff);
1757	}
1758	p1 = (RUINT32T ) ((char ) p1 + srcImage->bytes_per_line);
1759	}
1760	break;
1761	}
1762	}
1763		1257
1764	free (lookup);	1258	free (lookup);
1765	}	1259	}
1766	#endif /* defined(ENABLE_TRANSPARENCY) && !defined(HAVE_AFTERIMAGE) */	1260	#endif /* ENABLE_TRANSPARENCY */

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Comparing rxvt-unicode/src/background.C (file contents): Revision 1.65 by sf-exg, Mon Oct 4 20:45:45 2010 UTC vs. Revision 1.211 by sf-exg, Sun May 13 15:28:44 2012 UTC

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Comparing rxvt-unicode/src/background.C (file contents):
Revision 1.65 by sf-exg, Mon Oct 4 20:45:45 2010 UTC vs.
Revision 1.211 by sf-exg, Sun May 13 15:28:44 2012 UTC