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

Comparing rxvt-unicode/src/background.C (file contents):
Revision 1.101 by sf-exg, Sun Oct 31 08:28:04 2010 UTC vs.
Revision 1.228 by sf-exg, Thu May 31 20:23:51 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 Emanuele Giaquinta <e.giaquinta@glauco.it>	8	* Copyright (c) 2010-2012 Emanuele Giaquinta <e.giaquinta@glauco.it>
9	*	9	*
10	* This program is free software; you can redistribute it and/or modify	10	* This program is free software; you can redistribute it and/or modify
11	* it under the terms of the GNU General Public License as published by	11	* it under the terms of the GNU General Public License as published by
12	* the Free Software Foundation; either version 2 of the License, or	12	* the Free Software Foundation; either version 2 of the License, or
13	* (at your option) any later version.	13	* (at your option) any later version.
20	* You should have received a copy of the GNU General Public License	20	* You should have received a copy of the GNU General Public License
21	* along with this program; if not, write to the Free Software	21	* along with this program; if not, write to the Free Software
22	* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.	22	* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
23	---------------------------------------------------------------------/	23	---------------------------------------------------------------------/
24		24
25	#include <cmath>	25	#include <math.h>
26	#include "../config.h" /* NECESSARY */	26	#include "../config.h" /* NECESSARY */
27	#include "rxvt.h" /* NECESSARY */	27	#include "rxvt.h" /* NECESSARY */
28		28
29	#define DO_TIMING_TEST 0	29	#if XRENDER
30		30	# include <X11/extensions/Xrender.h>
31	#if DO_TIMING_TEST
32	# include <sys/time.h>
33	#define TIMING_TEST_START(id) \
34	struct timeval timing_test_##id##_stv; \
35	gettimeofday (&timing_test_##id##_stv, NULL);
36
37	#define TIMING_TEST_PRINT_RESULT(id) \
38	do { \
39	struct timeval tv; \
40	gettimeofday (&tv, NULL); \
41	tv.tv_sec -= (timing_test_##id##_stv).tv_sec; \
42	fprintf (stderr, "%s: %s: %d: elapsed %ld usec\n", #id, __FILE__, __LINE__, \
43	tv.tv_sec * 1000000 + tv.tv_usec - (timing_test_##id##_stv).tv_usec); \
44	} while (0)
45
46	#else
47	#define TIMING_TEST_START(id) do {} while (0)
48	#define TIMING_TEST_PRINT_RESULT(id) do {} while (0)
49	#endif	31	#endif
50		32
51	/*	33	#ifndef FilterConvolution
52	* Pixmap geometry string interpretation :	34	#define FilterConvolution "convolution"
53	* Each geometry string contains zero or one scale/position	35	#endif
54	* adjustment and may optionally be followed by a colon and one or more	36
55	* colon-delimited pixmap operations.	37	#ifndef RepeatPad
56	* The following table shows the valid geometry strings and their	38	#define RepeatPad True
57	* effects on the background image :	39	#endif
58	*
59	* WxH+X+Y Set scaling to W% by H%, and position to X% by Y%.
60	* W and H are percentages of the terminal window size.
61	* X and Y are also percentages; e.g., +50+50 centers
62	* the image in the window.
63	* WxH+X Assumes Y == X
64	* WxH Assumes Y == X == 50 (centers the image)
65	* W+X+Y Assumes H == W
66	* W+X Assumes H == W and Y == X
67	* W Assumes H == W and Y == X == 50
68	*
69	* Adjusting position only :
70	* =+X+Y Set position to X% by Y% (absolute).
71	* =+X Set position to X% by X%.
72	* +X+Y Adjust position horizontally X% and vertically Y%
73	* from current position (relative).
74	* +X Adjust position horizontally X% and vertically X%
75	* from current position.
76	*
77	* Adjusting scale only :
78	* Wx0 Multiply horizontal scaling factor by W%
79	* 0xH Multiply vertical scaling factor by H%
80	* 0x0 No scaling (show image at normal size).
81	*
82	* Pixmap Operations : (should be prepended by a colon)
83	* tile Tile image. Scaling/position modifiers above will affect
84	* the tile size and origin.
85	* propscale When scaling, scale proportionally. That is, maintain the
86	* proper aspect ratio for the image. Any portion of the
87	* background not covered by the image is filled with the
88	* current background color.
89	* hscale Scale horizontally, tile vertically ?
90	* vscale Tile horizontally, scale vertically ?
91	* scale Scale both up and down
92	* auto Same as 100x100+50+50
93	*/
94		40
95	#ifdef HAVE_BG_PIXMAP	41	#ifdef HAVE_BG_PIXMAP
96	bgPixmap_t::bgPixmap_t ()	42	# if XRENDER
		43	static Picture
		44	create_xrender_mask (Display *dpy, Drawable drawable, Bool argb, Bool component_alpha)
97	{	45	{
98	// this is basically redundant as bgPixmap_t is only used in	46	Pixmap pixmap = XCreatePixmap (dpy, drawable, 1, 1, argb ? 32 : 8);
99	// zero_initialised-derived structs	47
100	#ifdef HAVE_AFTERIMAGE	48	XRenderPictFormat *format = XRenderFindStandardFormat (dpy, argb ? PictStandardARGB32 : PictStandardA8);
101	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	}
102	#endif	58	# endif
103	#ifdef HAVE_PIXBUF
104	pixbuf = NULL;
105	#endif
106	#ifdef BG_IMAGE_FROM_FILE
107	have_image = false;
108	h_scale = v_scale = 0;
109	h_align = v_align = 0;
110	#endif
111	#ifdef ENABLE_TRANSPARENCY
112	shade = 100;
113	#endif
114	flags = 0;
115	pixmap = None;
116	valid_since = invalid_since = 0;
117	target = 0;
118	}
119		59
120	void	60	void
121	bgPixmap_t::destroy ()	61	rxvt_term::bg_destroy ()
122	{	62	{
123	#ifdef HAVE_AFTERIMAGE	63	# ifdef BG_IMAGE_FROM_FILE
124	if (original_asim)	64	for (vector<rxvt_image>::iterator bg_image = image_vec.begin (); bg_image < image_vec.end (); bg_image++)
125	safe_asimage_destroy (original_asim);	65	bg_image->destroy ();
126	#endif	66	# endif
127		67
128	#ifdef HAVE_PIXBUF	68	if (bg_pixmap)
129	if (pixbuf)
130	g_object_unref (pixbuf);
131	#endif
132
133	if (pixmap && target)
134	XFreePixmap (target->dpy, pixmap);	69	XFreePixmap (dpy, bg_pixmap);
135	}	70	}
136		71
137	bool	72	bool
138	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 ()
139	{	88	{
140	# ifdef ENABLE_TRANSPARENCY	89	# ifdef ENABLE_TRANSPARENCY
141	if (flags & isTransparent)	90	if (bg_flags & BG_IS_TRANSPARENT)
142	return true;	91	return true;
143	# endif	92	# endif
144		93
145	# ifdef BG_IMAGE_FROM_FILE	94	# ifdef BG_IMAGE_FROM_FILE
146	if (have_image)	95	for (vector<rxvt_image>::iterator bg_image = image_vec.begin (); bg_image < image_vec.end (); bg_image++)
147	{	96	{
148	if (flags & sizeSensitive)	97	if ((bg_image->flags & IM_IS_SIZE_SENSITIVE)
		98	\|\| bg_image->width () > szHint.width
		99	\|\| bg_image->height () > szHint.height)
149	return true;	100	return true;
150	}	101	}
151	# endif	102	# endif
152		103
153	return false;	104	return false;
154	}	105	}
155		106
156	bool	107	bool
157	bgPixmap_t::window_position_sensitive ()	108	rxvt_term::bg_window_position_sensitive ()
158	{	109	{
159	# ifdef ENABLE_TRANSPARENCY	110	# ifdef ENABLE_TRANSPARENCY
160	if (flags & isTransparent)	111	if (bg_flags & BG_IS_TRANSPARENT)
161	return true;	112	return true;
162	# endif	113	# endif
163		114
164	# ifdef BG_IMAGE_FROM_FILE	115	# ifdef BG_IMAGE_FROM_FILE
165	if (have_image)	116	for (vector<rxvt_image>::iterator bg_image = image_vec.begin (); bg_image < image_vec.end (); bg_image++)
166	{	117	{
167	if (flags & rootAlign)	118	if (bg_image->flags & IM_ROOT_ALIGN)
168	return true;	119	return true;
169	}	120	}
170	# endif	121	# endif
171		122
172	return false;	123	return false;
173	};
174
175	bool bgPixmap_t::need_client_side_rendering ()
176	{
177	# ifdef HAVE_AFTERIMAGE
178	if (original_asim)
179	return true;
180	# endif
181	return false;
182	}	124	}
183		125
184	# ifdef BG_IMAGE_FROM_FILE	126	# ifdef BG_IMAGE_FROM_FILE
185	static inline bool
186	check_set_scale_value (int geom_flags, int flag, unsigned int &scale, unsigned int new_value)
187	{
188	if (geom_flags & flag)
189	{
190	if (new_value > 1000)
191	new_value = 1000;
192	if (new_value != scale)
193	{
194	scale = new_value;
195	return true;
196	}
197	}
198	return false;
199	}
200
201	static inline bool
202	check_set_align_value (int geom_flags, int flag, int &align, int new_value)
203	{
204	if (geom_flags & flag)
205	{
206	if (new_value < -100)
207	new_value = -100;
208	else if (new_value > 200)
209	new_value = 200;
210	if (new_value != align)
211	{
212	align = new_value;
213	return true;
214	}
215	}
216	return false;
217	}
218
219	static inline int	127	static inline int
220	make_align_position (int align, int window_size, int image_size)	128	make_align_position (int align, int window_size, int image_size)
221	{	129	{
222	int diff = window_size - image_size;
223	int smaller = min (image_size, window_size);
224
225	if (align >= 0 && align <= 100)	130	if (align >= 0 && align <= 100)
226	return diff * align / 100;	131	return lerp (0, window_size - image_size, align);
227	else if (align > 100 && align <= 200)	132	else if (align > 100)
228	return ((align - 100) * smaller / 100) + window_size - smaller;	133	return lerp (window_size - image_size, window_size, align - 100);
229	else if (align >= -100 && align < 0)	134	else
230	return ((align + 100) * smaller / 100) - image_size;	135	return lerp (-image_size, 0, align + 100);
231	return 0;
232	}	136	}
233		137
234	static inline int	138	static inline int
235	make_clip_rectangle (int pos, int size, int target_size, int &dst_pos, int &dst_size)	139	make_clip_rectangle (int pos, int size, int target_size, int &dst_pos, int &dst_size)
236	{	140	{
…		…
242	src_pos = -pos;	146	src_pos = -pos;
243	dst_pos = 0;	147	dst_pos = 0;
244	dst_size += pos;	148	dst_size += pos;
245	}	149	}
246		150
247	if (dst_pos + dst_size > target_size)
248	dst_size = target_size - dst_pos;	151	min_it (dst_size, target_size - dst_pos);
249	return src_pos;	152	return src_pos;
250	}	153	}
251		154
252	bool	155	static void
253	bgPixmap_t::set_geometry (const char *geom)	156	parse_style (const char *style, int &x, int &y, unsigned int &w, unsigned int &h, uint8_t &flags)
254	{	157	{
		158	if (!strcasecmp (style, "tiled"))
		159	{
		160	flags = IM_TILE;
		161	w = h = noScale;
		162	x = y = 0;
		163	}
		164	else if (!strcasecmp (style, "aspect-stretched"))
		165	{
		166	flags = IM_KEEP_ASPECT;
		167	w = h = windowScale;
		168	x = y = centerAlign;
		169	}
		170	else if (!strcasecmp (style, "stretched"))
		171	{
		172	flags = 0;
		173	w = h = windowScale;
		174	x = y = centerAlign;
		175	}
		176	else if (!strcasecmp (style, "centered"))
		177	{
		178	flags = 0;
		179	w = h = noScale;
		180	x = y = centerAlign;
		181	}
		182	else if (!strcasecmp (style, "root-tiled"))
		183	{
		184	flags = IM_TILE\|IM_ROOT_ALIGN;
		185	w = h = noScale;
		186	x = y = 0;
		187	}
		188	}
		189
		190	bool
		191	rxvt_image::set_geometry (const char *geom, bool update)
		192	{
		193	bool changed = false;
255	int geom_flags = 0, changed = 0;	194	int geom_flags = 0;
256	int x = 0, y = 0;	195	int x = h_align;
		196	int y = v_align;
257	unsigned int w = 0, h = 0;	197	unsigned int w = h_scale;
258	unsigned int n;	198	unsigned int h = v_scale;
259	unsigned long new_flags = (flags & (~geometryFlags));	199	uint8_t new_flags = 0;
260	const char *p;
261	# define MAXLEN_GEOM 256 /* could be longer than regular geometry string */
262		200
263	if (geom == NULL)	201	if (geom == NULL)
264	return false;	202	return false;
265		203
266	char str[MAXLEN_GEOM];	204	if (geom[0])
267
268	while (isspace(*geom)) ++geom;
269	if ((p = strchr (geom, ';')) == NULL)
270	p = strchr (geom, '\0');
271
272	n = (p - geom);
273	if (n < MAXLEN_GEOM)
274	{	205	{
275	char *ops;	206	char **arr = rxvt_strsplit (':', geom);
276	new_flags \|= geometrySet;
277		207
278	memcpy (str, geom, n);	208	for (int i = 0; arr[i]; i++)
279	str[n] = '\0';
280	if (str[0] == ':')
281	ops = &str[0];
282	else if (str[0] != 'x' && str[0] != 'X' && isalpha(str[0]))
283	ops = &str[0];
284	else
285	{	209	{
286	char *tmp;	210	if (!strncasecmp (arr[i], "style=", 6))
287	ops = strchr (str, ':');
288	if (ops != NULL)
289	{	211	{
290	for (tmp = ops-1; tmp >= str && isspace(*tmp); --tmp);	212	parse_style (arr[i] + 6, x, y, w, h, new_flags);
291	*(++tmp) = '\0';	213	geom_flags = WidthValue\|HeightValue\|XValue\|YValue;
292	if (ops == tmp) ++ops;
293	}	214	}
294	}	215	else if (!strcasecmp (arr[i], "op=tile"))
		216	new_flags \|= IM_TILE;
		217	else if (!strcasecmp (arr[i], "op=keep-aspect"))
		218	new_flags \|= IM_KEEP_ASPECT;
		219	else if (!strcasecmp (arr[i], "op=root-align"))
		220	new_flags \|= IM_ROOT_ALIGN;
295		221
296	if (ops > str \|\| ops == NULL)	222	// deprecated
297	{	223	else if (!strcasecmp (arr[i], "tile"))
298	/* we have geometry string - let's handle it prior to applying ops */
299	geom_flags = XParseGeometry (str, &x, &y, &w, &h);
300
301	if ((geom_flags & XValue) && !(geom_flags & YValue))
302	{	224	{
303	y = x;	225	new_flags \|= IM_TILE;
		226	w = h = noScale;
304	geom_flags \|= YValue;	227	geom_flags \|= WidthValue\|HeightValue;
305	}	228	}
306		229	else if (!strcasecmp (arr[i], "propscale"))
307	if (flags & geometrySet)
308	{	230	{
309	/* new geometry is an adjustment to the old one ! */	231	new_flags \|= IM_KEEP_ASPECT;
		232	w = h = windowScale;
310	if ((geom_flags & WidthValue) && (geom_flags & HeightValue))	233	geom_flags \|= WidthValue\|HeightValue;
311	{
312	if (w == 0 && h != 0)
313	{
314	w = h_scale;
315	h = (v_scale * h) / 100;
316	}
317	else if (h == 0 && w != 0)
318	{
319	w = (h_scale * w) / 100;
320	h = v_scale;
321	}
322	}
323	if (geom_flags & XValue)
324	{
325	if (str[0] != '=')
326	{
327	y += v_align;
328	x += h_align;
329	}
330	}
331	}	234	}
332	else /* setting up geometry from scratch */	235	else if (!strcasecmp (arr[i], "hscale"))
333	{	236	{
334	if (!(geom_flags & XValue))	237	new_flags \|= IM_TILE;
335	{	238	w = windowScale;
336	/* use default geometry - centered */
337	x = y = defaultAlign;
338	}
339	else if (!(geom_flags & YValue))
340	y = x;	239	h = noScale;
341
342	if ((geom_flags & (WidthValue\|HeightValue)) == 0)	240	geom_flags \|= WidthValue\|HeightValue;
343	{
344	/* use default geometry - scaled */
345	w = h = defaultScale;
346	}
347	else if (geom_flags & WidthValue)
348	{
349	if (!(geom_flags & HeightValue))
350	h = w;
351	}
352	else
353	w = h;
354	}	241	}
355	} /* done parsing geometry string */	242	else if (!strcasecmp (arr[i], "vscale"))
356	else if (!(flags & geometrySet))
357	{
358	/* default geometry - scaled and centered */
359	x = y = defaultAlign;
360	w = h = defaultScale;
361	}
362
363	if (!(flags & geometrySet))
364	geom_flags \|= WidthValue\|HeightValue\|XValue\|YValue;
365
366	if (ops)
367	{
368	while (*ops)
369	{	243	{
370	while (ops == ':' \|\| isspace(ops)) ++ops;	244	new_flags \|= IM_TILE;
371		245	h = windowScale;
372	# define CHECK_GEOM_OPS(op_str) (strncasecmp (ops, (op_str), sizeof (op_str) - 1) == 0)
373	if (CHECK_GEOM_OPS ("tile"))
374	{
375	w = h = noScale;	246	w = noScale;
376	geom_flags \|= WidthValue\|HeightValue;	247	geom_flags \|= WidthValue\|HeightValue;
377	}	248	}
378	else if (CHECK_GEOM_OPS ("propscale"))	249	else if (!strcasecmp (arr[i], "scale"))
379	{	250	{
380	new_flags \|= propScale;
381	}
382	else if (CHECK_GEOM_OPS ("hscale"))
383	{
384	if (w == 0) w = windowScale;
385
386	h = noScale;	251	w = h = windowScale;
387	geom_flags \|= WidthValue\|HeightValue;	252	geom_flags \|= WidthValue\|HeightValue;
388	}	253	}
389	else if (CHECK_GEOM_OPS ("vscale"))	254	else if (!strcasecmp (arr[i], "auto"))
390	{	255	{
391	if (h == 0) h = windowScale;
392
393	w = noScale;
394	geom_flags \|= WidthValue\|HeightValue;
395	}
396	else if (CHECK_GEOM_OPS ("scale"))
397	{
398	if (h == 0) h = windowScale;
399	if (w == 0) w = windowScale;
400
401	geom_flags \|= WidthValue\|HeightValue;
402	}
403	else if (CHECK_GEOM_OPS ("auto"))
404	{
405	w = h = windowScale;	256	w = h = windowScale;
406	x = y = centerAlign;	257	x = y = centerAlign;
407	geom_flags \|= WidthValue\|HeightValue\|XValue\|YValue;	258	geom_flags \|= WidthValue\|HeightValue\|XValue\|YValue;
408	}	259	}
409	else if (CHECK_GEOM_OPS ("root"))	260	else if (!strcasecmp (arr[i], "root"))
410	{	261	{
411	new_flags \|= rootAlign;	262	new_flags \|= IM_TILE\|IM_ROOT_ALIGN;
412	w = h = noScale;	263	w = h = noScale;
413	geom_flags \|= WidthValue\|HeightValue;	264	geom_flags \|= WidthValue\|HeightValue;
414	}	265	}
415	# undef CHECK_GEOM_OPS
416		266
417	while (ops != ':' && ops != '\0') ++ops;	267	else
		268	geom_flags \|= XParseGeometry (arr[i], &x, &y, &w, &h);
418	} /* done parsing ops */	269	} /* done parsing ops */
419	}
420		270
421	if (check_set_scale_value (geom_flags, WidthValue, h_scale, w)) ++changed;	271	rxvt_free_strsplit (arr);
422	if (check_set_scale_value (geom_flags, HeightValue, v_scale, h)) ++changed;	272	}
423	if (check_set_align_value (geom_flags, XValue, h_align, x)) ++changed;	273
424	if (check_set_align_value (geom_flags, YValue, v_align, y)) ++changed;	274	new_flags \|= flags & ~IM_GEOMETRY_FLAGS;
		275
		276	if (!update)
425	}	277	{
		278	if (!(geom_flags & XValue))
		279	x = y = defaultAlign;
		280	else if (!(geom_flags & YValue))
		281	y = x;
426		282
427	if (new_flags != flags)	283	if (!(geom_flags & (WidthValue\|HeightValue)))
		284	w = h = defaultScale;
		285	else if (!(geom_flags & HeightValue))
		286	h = w;
		287	else if (!(geom_flags & WidthValue))
		288	w = h;
		289	}
		290
		291	clamp_it (x, -100, 200);
		292	clamp_it (y, -100, 200);
		293
		294	if (flags != new_flags
		295	\|\| h_scale != w
		296	\|\| v_scale != h
		297	\|\| h_align != x
		298	\|\| v_align != y)
428	{	299	{
429	flags = new_flags;	300	flags = new_flags;
		301	h_scale = w;
		302	v_scale = h;
		303	h_align = x;
		304	v_align = y;
430	changed++;	305	changed = true;
431	}	306	}
432		307
		308	if (is_size_sensitive ())
		309	flags \|= IM_IS_SIZE_SENSITIVE;
		310	else
		311	flags &= ~IM_IS_SIZE_SENSITIVE;
		312
433	return (changed > 0);	313	return changed;
434	}	314	}
435		315
436	void	316	void
437	bgPixmap_t::get_image_geometry (int image_width, int image_height, int &w, int &h, int &x, int &y)	317	rxvt_term::get_image_geometry (rxvt_image &image, int &w, int &h, int &x, int &y)
438	{	318	{
		319	int image_width = image.width ();
		320	int image_height = image.height ();
439	int target_width = target->szHint.width;	321	int target_width = szHint.width;
440	int target_height = target->szHint.height;	322	int target_height = szHint.height;
		323	int h_scale = min (image.h_scale, 32767 * 100 / target_width);
		324	int v_scale = min (image.v_scale, 32767 * 100 / target_height);
441		325
442	if (flags & propScale)	326	w = h_scale * target_width / 100;
		327	h = v_scale * target_height / 100;
		328
		329	if (image.flags & IM_KEEP_ASPECT)
443	{	330	{
444	float scale = (float)target_width / image_width;	331	float scale = (float)w / image_width;
445	min_it (scale, (float)target_height / image_height);	332	min_it (scale, (float)h / image_height);
446	w = image_width * scale + 0.5;	333	w = image_width * scale + 0.5;
447	h = image_height * scale + 0.5;	334	h = image_height * scale + 0.5;
448	}	335	}
449	else
450	{
451	w = h_scale * target_width / 100;
452	h = v_scale * target_height / 100;
453	}
454		336
455	if (!w) w = image_width;	337	if (!w) w = image_width;
456	if (!h) h = image_height;	338	if (!h) h = image_height;
457		339
458	if (flags & rootAlign)	340	if (image.flags & IM_ROOT_ALIGN)
459	{	341	{
460	target->get_window_origin (x, y);
461	x = -x;	342	x = -target_x;
462	y = -y;	343	y = -target_y;
463	}	344	}
464	else	345	else
465	{	346	{
466	x = make_align_position (h_align, target_width, w);	347	x = make_align_position (image.h_align, target_width, w);
467	y = make_align_position (v_align, target_height, h);	348	y = make_align_position (image.v_align, target_height, h);
468	}	349	}
469
470	flags &= ~sizeSensitive;
471	if ((flags & propScale) \|\| h_scale \|\| v_scale
472	\|\| (!(flags & rootAlign) && (h_align \|\| v_align))
473	\|\| w > target_width \|\| h > target_height)
474	flags \|= sizeSensitive;
475	}	350	}
476		351
477	# ifdef HAVE_AFTERIMAGE	352	# ifdef HAVE_PIXBUF
478	bool	353	bool
479	bgPixmap_t::render_image (unsigned long background_flags)	354	rxvt_term::pixbuf_to_pixmap (GdkPixbuf *pixbuf, Pixmap pixmap, GC gc,
		355	int src_x, int src_y, int dst_x, int dst_y,
		356	unsigned int width, unsigned int height, bool argb)
480	{	357	{
481	if (target == NULL)	358	XImage *ximage;
		359	char *line;
		360	int width_r, width_g, width_b, width_a;
		361	int sh_r, sh_g, sh_b, sh_a;
		362	uint32_t red_mask, green_mask, blue_mask, alpha_mask;
		363	int rowstride;
		364	int channels;
		365	unsigned char *row;
		366
		367	if (visual->c_class != TrueColor)
482	return false;	368	return false;
483		369
484	target->init_asv ();	370	if (argb)
485
486	ASImage *background = NULL;
487	ARGB32 background_tint = TINT_LEAVE_SAME;
488
489	# ifdef ENABLE_TRANSPARENCY
490	if (background_flags)
491	background = pixmap2ximage (target->asv, pixmap, 0, 0, pmap_width, pmap_height, AllPlanes, 100);
492
493	if (!(background_flags & transpPmapTinted) && (flags & tintNeeded))
494	{
495	ShadingInfo as_shade;
496	as_shade.shading = shade;
497
498	rgba c (rgba::MAX_CC,rgba::MAX_CC,rgba::MAX_CC);
499	if (flags & tintSet)
500	tint.get (c);
501	as_shade.tintColor.red = c.r;
502	as_shade.tintColor.green = c.g;
503	as_shade.tintColor.blue = c.b;
504
505	background_tint = shading2tint32 (&as_shade);
506	}	371	{
507		372	red_mask = 0xff << 16;
508	if (!(background_flags & transpPmapBlurred) && (flags & blurNeeded) && background != NULL)	373	green_mask = 0xff << 8;
		374	blue_mask = 0xff;
		375	alpha_mask = 0xff << 24;
509	{	376	}
510	ASImage *tmp = blur_asimage_gauss (target->asv, background, h_blurRadius, v_blurRadius, 0xFFFFFFFF,	377	else
511	(original_asim == NULL \|\| tint == TINT_LEAVE_SAME) ? ASA_XImage : ASA_ASImage,	378	{
512	100, ASIMAGE_QUALITY_DEFAULT);	379	red_mask = visual->red_mask;
		380	green_mask = visual->green_mask;
		381	blue_mask = visual->blue_mask;
		382	#if XRENDER
		383	XRenderPictFormat *format = XRenderFindVisualFormat (dpy, visual);
513	if (tmp)	384	if (format)
514	{	385	alpha_mask = (uint32_t)format->direct.alphaMask << format->direct.alpha;
515	destroy_asimage (&background);	386	else
516	background = tmp;	387	#endif
		388	alpha_mask = 0;
		389	}
		390
		391	width_r = ecb_popcount32 (red_mask);
		392	width_g = ecb_popcount32 (green_mask);
		393	width_b = ecb_popcount32 (blue_mask);
		394	width_a = ecb_popcount32 (alpha_mask);
		395
		396	if (width_r > 8 \|\| width_g > 8 \|\| width_b > 8 \|\| width_a > 8)
		397	return false;
		398
		399	sh_r = ecb_ctz32 (red_mask);
		400	sh_g = ecb_ctz32 (green_mask);
		401	sh_b = ecb_ctz32 (blue_mask);
		402	sh_a = ecb_ctz32 (alpha_mask);
		403
		404	if (width > 32767 \|\| height > 32767)
		405	return false;
		406
		407	ximage = XCreateImage (dpy, visual, argb ? 32 : depth, ZPixmap, 0, 0,
		408	width, height, 32, 0);
		409	if (!ximage)
		410	return false;
		411
		412	if (height > INT_MAX / ximage->bytes_per_line
		413	\|\| !(ximage->data = (char )malloc (height ximage->bytes_per_line)))
		414	{
		415	XDestroyImage (ximage);
		416	return false;
		417	}
		418
		419	ximage->byte_order = ecb_big_endian () ? MSBFirst : LSBFirst;
		420
		421	rowstride = gdk_pixbuf_get_rowstride (pixbuf);
		422	channels = gdk_pixbuf_get_n_channels (pixbuf);
		423	row = gdk_pixbuf_get_pixels (pixbuf) + src_y * rowstride + src_x * channels;
		424	line = ximage->data;
		425
		426	rgba c (0, 0, 0);
		427
		428	if (channels == 4 && alpha_mask == 0)
		429	{
		430	pix_colors[Color_bg].get (c);
		431	c.r >>= 8;
		432	c.g >>= 8;
		433	c.b >>= 8;
		434	}
		435
		436	for (int y = 0; y < height; y++)
		437	{
		438	for (int x = 0; x < width; x++)
517	}	439	{
518	}	440	unsigned char pixel = row + x channels;
519	# endif	441	uint32_t value;
		442	unsigned char r, g, b, a;
520		443
521	ASImage *result = 0;	444	if (channels == 4)
		445	{
		446	a = pixel[3];
		447	r = (pixel[0] * a + c.r * (0xff - a)) / 0xff;
		448	g = (pixel[1] * a + c.g * (0xff - a)) / 0xff;
		449	b = (pixel[2] * a + c.b * (0xff - a)) / 0xff;
		450	}
		451	else
		452	{
		453	a = 0xff;
		454	r = pixel[0];
		455	g = pixel[1];
		456	b = pixel[2];
		457	}
522		458
		459	value = ((r >> (8 - width_r)) << sh_r)
		460	\| ((g >> (8 - width_g)) << sh_g)
		461	\| ((b >> (8 - width_b)) << sh_b)
		462	\| ((a >> (8 - width_a)) << sh_a);
		463
		464	if (ximage->bits_per_pixel == 32)
		465	((uint32_t *)line)[x] = value;
		466	else
		467	XPutPixel (ximage, x, y, value);
		468	}
		469
		470	row += rowstride;
		471	line += ximage->bytes_per_line;
		472	}
		473
		474	XPutImage (dpy, pixmap, gc, ximage, 0, 0, dst_x, dst_y, width, height);
		475	XDestroyImage (ximage);
		476	return true;
		477	}
		478
		479	bool
		480	rxvt_term::render_image (rxvt_image &image)
		481	{
		482	GdkPixbuf *pixbuf = image.pixbuf;
		483	if (!pixbuf)
		484	return false;
		485
		486	bool need_blend = bg_flags & BG_IS_VALID;
		487
		488	if (need_blend
		489	&& !(bg_flags & BG_HAS_RENDER))
		490	return false;
		491
		492	GdkPixbuf *result;
		493
		494	int image_width = gdk_pixbuf_get_width (pixbuf);
		495	int image_height = gdk_pixbuf_get_height (pixbuf);
		496
523	int target_width = target->szHint.width;	497	int target_width = szHint.width;
524	int target_height = target->szHint.height;	498	int target_height = szHint.height;
525	int new_pmap_width = target_width;	499	int new_pmap_width = target_width;
526	int new_pmap_height = target_height;	500	int new_pmap_height = target_height;
527		501
528	int x = 0;	502	int x = 0;
529	int y = 0;	503	int y = 0;
530	int w = 0;	504	int w = 0;
531	int h = 0;	505	int h = 0;
532		506
533	if (original_asim)	507	get_image_geometry (image, w, h, x, y);
534	get_image_geometry (original_asim->width, original_asim->height, w, h, x, y);
535		508
536	if (!original_asim	509	if (!(image.flags & IM_ROOT_ALIGN)
537	\|\| (!(flags & rootAlign)
538	&& (x >= target_width
539	\|\| y >= target_height
540	\|\| (x + w <= 0)
541	\|\| (y + h <= 0))))
542	{
543	if (background)
544	{
545	new_pmap_width = background->width;
546	new_pmap_height = background->height;
547	result = background;
548
549	if (background_tint != TINT_LEAVE_SAME)
550	{
551	ASImage *tmp = tile_asimage (target->asv, background, 0, 0,
552	target_width, target_height, background_tint,
553	ASA_XImage, 100, ASIMAGE_QUALITY_DEFAULT);
554	if (tmp)
555	result = tmp;
556	}
557	}
558	else
559	new_pmap_width = new_pmap_height = 0;
560	}
561	else
562	{
563	result = original_asim;
564
565	if ((w != original_asim->width)
566	\|\| (h != original_asim->height))
567	{
568	result = scale_asimage (target->asv, original_asim,
569	w, h,
570	background ? ASA_ASImage : ASA_XImage,
571	100, ASIMAGE_QUALITY_DEFAULT);
572	}
573
574	if (background == NULL)
575	{
576	if (h_scale == 0 \|\| v_scale == 0)
577	{
578	/* if tiling - pixmap has to be sized exactly as the image,
579	but there is no need to make it bigger than the window! */
580	new_pmap_width = min (result->width, target_width);
581	new_pmap_height = min (result->height, target_height);
582
583	/* we also need to tile our image in both directions */
584	ASImage *tmp = tile_asimage (target->asv, result,
585	(int)result->width - x,
586	(int)result->height - y,
587	new_pmap_width,
588	new_pmap_height,
589	TINT_LEAVE_SAME, ASA_XImage,
590	100, ASIMAGE_QUALITY_DEFAULT);
591	if (tmp)
592	{
593	if (result != original_asim)
594	destroy_asimage (&result);
595
596	result = tmp;
597	}
598	}
599	}
600	else
601	{
602	/* if blending background and image - pixmap has to be sized same as target window */
603	ASImageLayer *layers = create_image_layers (2);
604
605	layers[0].im = background;
606	layers[0].clip_width = target_width;
607	layers[0].clip_height = target_height;
608	layers[0].tint = background_tint;
609	layers[1].im = result;
610
611	if (h_scale == 0 \|\| v_scale == 0)
612	{
613	/* tile horizontally */
614	while (x > 0) x -= (int)result->width;
615	layers[1].dst_x = x;
616	layers[1].clip_width = result->width+target_width;
617	}
618	else
619	{
620	/* clip horizontally */
621	layers[1].dst_x = x;
622	layers[1].clip_width = result->width;
623	}
624
625	if (h_scale == 0 \|\| v_scale == 0)
626	{
627	while (y > 0) y -= (int)result->height;
628	layers[1].dst_y = y;
629	layers[1].clip_height = result->height + target_height;
630	}
631	else
632	{
633	layers[1].dst_y = y;
634	layers[1].clip_height = result->height;
635	}
636
637	if (target->rs[Rs_blendtype])
638	{
639	layers[1].merge_scanlines = blend_scanlines_name2func (target->rs[Rs_blendtype]);
640	if (layers[1].merge_scanlines == NULL)
641	layers[1].merge_scanlines = alphablend_scanlines;
642	}
643
644	ASImage *tmp = merge_layers (target->asv, layers, 2, target_width, target_height,
645	ASA_XImage, 0, ASIMAGE_QUALITY_DEFAULT);
646
647	if (tmp)
648	{
649	if (result != original_asim)
650	destroy_asimage (&result);
651
652	result = tmp;
653	}
654
655	free (layers);
656	}
657	}
658
659	bool ret = false;
660
661	if (result)
662	{
663	XGCValues gcv;
664	GC gc;
665
666	if (pixmap)
667	{
668	if (pmap_width != new_pmap_width
669	\|\| pmap_height != new_pmap_height
670	\|\| pmap_depth != target->depth)
671	{
672	XFreePixmap (target->dpy, pixmap);
673	pixmap = None;
674	}
675	}
676
677	/* create Pixmap */
678	if (pixmap == None)
679	{
680	pixmap = XCreatePixmap (target->dpy, target->vt, new_pmap_width, new_pmap_height, target->depth);
681	pmap_width = new_pmap_width;
682	pmap_height = new_pmap_height;
683	pmap_depth = target->depth;
684	}
685	/* fill with background color (if result's not completely overlapping it) */
686	gcv.foreground = target->pix_colors[Color_bg];
687	gc = XCreateGC (target->dpy, target->vt, GCForeground, &gcv);
688
689	int src_x = 0, src_y = 0, dst_x = 0, dst_y = 0;
690	int dst_width = result->width, dst_height = result->height;
691	if (background == NULL)
692	{
693	if (!(h_scale == 0 \|\| v_scale == 0))
694	{
695	src_x = make_clip_rectangle (x, result->width , new_pmap_width , dst_x, dst_width );
696	src_y = make_clip_rectangle (y, result->height, new_pmap_height, dst_y, dst_height);
697	}
698
699	if (dst_x > 0 \|\| dst_y > 0
700	\|\| dst_x + dst_width < new_pmap_width
701	\|\| dst_y + dst_height < new_pmap_height)
702	XFillRectangle (target->dpy, pixmap, gc, 0, 0, new_pmap_width, new_pmap_height);
703	}
704
705	/* put result on pixmap */
706	if (dst_x < new_pmap_width && dst_y < new_pmap_height)
707	asimage2drawable (target->asv, pixmap, result, gc, src_x, src_y, dst_x, dst_y, dst_width, dst_height, True);
708
709	if (result != background && result != original_asim)
710	destroy_asimage (&result);
711
712	XFreeGC (target->dpy, gc);
713
714	ret = true;
715	}
716
717	if (background)
718	destroy_asimage (&background);
719
720	return ret;
721	}
722	# endif /* HAVE_AFTERIMAGE */
723
724	# ifdef HAVE_PIXBUF
725	bool
726	bgPixmap_t::render_image (unsigned long background_flags)
727	{
728	if (target == NULL)
729	return false;
730
731	if (!pixbuf)
732	return false;
733
734	#if !XRENDER
735	if (background_flags)
736	return false;
737	#endif
738
739	GdkPixbuf *result;
740
741	int image_width = gdk_pixbuf_get_width (pixbuf);
742	int image_height = gdk_pixbuf_get_height (pixbuf);
743
744	int target_width = target->szHint.width;
745	int target_height = target->szHint.height;
746	int new_pmap_width = target_width;
747	int new_pmap_height = target_height;
748
749	int x = 0;
750	int y = 0;
751	int w = 0;
752	int h = 0;
753
754	get_image_geometry (image_width, image_height, w, h, x, y);
755
756	if (!(flags & rootAlign)
757	&& (x >= target_width	510	&& (x >= target_width
758	\|\| y >= target_height	511	\|\| y >= target_height
759	\|\| (x + w <= 0)	512	\|\| x + w <= 0
760	\|\| (y + h <= 0)))	513	\|\| y + h <= 0))
761	return false;	514	return false;
762		515
763	result = pixbuf;	516	result = pixbuf;
764		517
765	if ((w != image_width)	518	if (w != image_width
766	\|\| (h != image_height))	519	\|\| h != image_height)
767	{	520	{
768	result = gdk_pixbuf_scale_simple (pixbuf,	521	result = gdk_pixbuf_scale_simple (pixbuf,
769	w, h,	522	w, h,
770	GDK_INTERP_BILINEAR);	523	GDK_INTERP_BILINEAR);
771	}	524	}
772		525
		526	if (!result)
		527	return false;
		528
773	bool ret = false;	529	bool ret = false;
774		530
775	if (result)
776	{
777	XGCValues gcv;	531	XGCValues gcv;
778	GC gc;	532	GC gc;
779	Pixmap root_pmap;	533	Pixmap tmp_pixmap;
780		534
781	image_width = gdk_pixbuf_get_width (result);	535	image_width = gdk_pixbuf_get_width (result);
782	image_height = gdk_pixbuf_get_height (result);	536	image_height = gdk_pixbuf_get_height (result);
783		537
784	if (background_flags)	538	if (need_blend)
785	{	539	tmp_pixmap = XCreatePixmap (dpy, vt, new_pmap_width, new_pmap_height, 32);
786	root_pmap = pixmap;	540	else
787	pixmap = None;	541	{
		542	// optimise bg pixmap size when tiling, but only if there are no
		543	// other pixbufs to render. Otherwise, the bg pixmap size must
		544	// be equal to the window size.
		545	if ((image.flags & IM_TILE)
		546	&& image_vec.size () == 1)
788	}	547	{
789	else
790	{
791	if (h_scale == 0 \|\| v_scale == 0)
792	{
793	new_pmap_width = min (image_width, target_width);	548	new_pmap_width = min (image_width, target_width);
794	new_pmap_height = min (image_height, target_height);	549	new_pmap_height = min (image_height, target_height);
795	}
796	}
797
798	if (pixmap)
799	{	550	}
800	if (pmap_width != new_pmap_width
801	\|\| pmap_height != new_pmap_height
802	\|\| pmap_depth != target->depth)
803	{
804	XFreePixmap (target->dpy, pixmap);
805	pixmap = None;
806	}
807	}
808		551
809	if (pixmap == None)	552	if (bg_pixmap == None
		553	\|\| bg_pmap_width != new_pmap_width
		554	\|\| bg_pmap_height != new_pmap_height)
810	{	555	{
		556	if (bg_pixmap)
		557	XFreePixmap (dpy, bg_pixmap);
811	pixmap = XCreatePixmap (target->dpy, target->vt, new_pmap_width, new_pmap_height, target->depth);	558	bg_pixmap = XCreatePixmap (dpy, vt, new_pmap_width, new_pmap_height, depth);
812	pmap_width = new_pmap_width;	559	bg_pmap_width = new_pmap_width;
813	pmap_height = new_pmap_height;	560	bg_pmap_height = new_pmap_height;
814	pmap_depth = target->depth;
815	}
816
817	gcv.foreground = target->pix_colors[Color_bg];
818	gc = XCreateGC (target->dpy, target->vt, GCForeground, &gcv);
819
820	if (h_scale == 0 \|\| v_scale == 0)
821	{	561	}
		562
		563	tmp_pixmap = bg_pixmap;
		564	}
		565
		566	gcv.foreground = pix_colors[Color_bg];
		567	gc = XCreateGC (dpy, tmp_pixmap, GCForeground, &gcv);
		568
		569	if (gc)
		570	{
		571	if (image.flags & IM_TILE)
		572	{
822	Pixmap tile = XCreatePixmap (target->dpy, target->vt, image_width, image_height, target->depth);	573	Pixmap tile = XCreatePixmap (dpy, vt, image_width, image_height, need_blend ? 32 : depth);
823	gdk_pixbuf_xlib_render_to_drawable (result, tile, gc,	574	pixbuf_to_pixmap (result, tile, gc,
824	0, 0,	575	0, 0,
825	0, 0,	576	0, 0,
826	image_width, image_height,	577	image_width, image_height, need_blend);
827	XLIB_RGB_DITHER_NONE,
828	0, 0);
829		578
830	gcv.tile = tile;	579	gcv.tile = tile;
831	gcv.fill_style = FillTiled;	580	gcv.fill_style = FillTiled;
832	gcv.ts_x_origin = x;	581	gcv.ts_x_origin = x;
833	gcv.ts_y_origin = y;	582	gcv.ts_y_origin = y;
834	XChangeGC (target->dpy, gc, GCFillStyle \| GCTile \| GCTileStipXOrigin \| GCTileStipYOrigin, &gcv);	583	XChangeGC (dpy, gc, GCFillStyle \| GCTile \| GCTileStipXOrigin \| GCTileStipYOrigin, &gcv);
835		584
836	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);
837	XFreePixmap (target->dpy, tile);	586	XFreePixmap (dpy, tile);
838	}	587	}
839	else	588	else
840	{	589	{
841	int src_x, src_y, dst_x, dst_y;	590	int src_x, src_y, dst_x, dst_y;
842	int dst_width, dst_height;	591	int dst_width, dst_height;
…		…
845	src_y = make_clip_rectangle (y, image_height, new_pmap_height, dst_y, dst_height);	594	src_y = make_clip_rectangle (y, image_height, new_pmap_height, dst_y, dst_height);
846		595
847	if (dst_x > 0 \|\| dst_y > 0	596	if (dst_x > 0 \|\| dst_y > 0
848	\|\| dst_x + dst_width < new_pmap_width	597	\|\| dst_x + dst_width < new_pmap_width
849	\|\| dst_y + dst_height < new_pmap_height)	598	\|\| dst_y + dst_height < new_pmap_height)
850	XFillRectangle (target->dpy, pixmap, gc, 0, 0, new_pmap_width, new_pmap_height);	599	XFillRectangle (dpy, tmp_pixmap, gc, 0, 0, new_pmap_width, new_pmap_height);
851		600
852	if (dst_x < new_pmap_width && dst_y < new_pmap_height)	601	if (dst_x < new_pmap_width && dst_y < new_pmap_height)
853	gdk_pixbuf_xlib_render_to_drawable (result, pixmap, gc,	602	pixbuf_to_pixmap (result, tmp_pixmap, gc,
854	src_x, src_y,	603	src_x, src_y,
855	dst_x, dst_y,	604	dst_x, dst_y,
856	dst_width, dst_height,	605	dst_width, dst_height, need_blend);
857	XLIB_RGB_DITHER_NONE,
858	0, 0);
859	}	606	}
		607
		608	if (image.need_blur ())
		609	blur_pixmap (tmp_pixmap, new_pmap_width, new_pmap_height, need_blend, image.h_blurRadius, image.v_blurRadius);
		610	if (image.need_tint ())
		611	tint_pixmap (tmp_pixmap, new_pmap_width, new_pmap_height, need_blend, image.tint, image.tint_set, image.shade);
860		612
861	#if XRENDER	613	#if XRENDER
862	if (background_flags)	614	if (need_blend)
863	{	615	{
864	Display *dpy = target->dpy;
865	XRenderPictureAttributes pa;
866
867	XRenderPictFormat *src_format = XRenderFindVisualFormat (dpy, DefaultVisual (dpy, target->display->screen));
868	Picture src = XRenderCreatePicture (dpy, root_pmap, src_format, 0, &pa);
869
870	XRenderPictFormat *dst_format = XRenderFindVisualFormat (dpy, target->visual);
871	Picture dst = XRenderCreatePicture (dpy, pixmap, dst_format, 0, &pa);
872
873	pa.repeat = True;
874	Pixmap mask_pmap = XCreatePixmap (dpy, target->vt, 1, 1, 8);
875	XRenderPictFormat *mask_format = XRenderFindStandardFormat (dpy, PictStandardA8);	616	XRenderPictFormat *argb_format = XRenderFindStandardFormat (dpy, PictStandardARGB32);
		617	XRenderPictFormat *format = XRenderFindVisualFormat (dpy, visual);
		618
876	Picture mask = XRenderCreatePicture (dpy, mask_pmap, mask_format, CPRepeat, &pa);	619	Picture src = XRenderCreatePicture (dpy, tmp_pixmap, argb_format, 0, 0);
877	XFreePixmap (dpy, mask_pmap);
878		620
879	if (src && dst && mask)	621	Picture dst = XRenderCreatePicture (dpy, bg_pixmap, format, 0, 0);
880	{	622
		623	Picture mask = create_xrender_mask (dpy, vt, False, False);
		624
881	XRenderColor mask_c;	625	XRenderColor mask_c;
882		626
883	mask_c.alpha = 0x8000;	627	mask_c.alpha = image.alpha;
884	mask_c.red = 0;	628	mask_c.red =
885	mask_c.green = 0;	629	mask_c.green =
886	mask_c.blue = 0;	630	mask_c.blue = 0;
887	XRenderFillRectangle (dpy, PictOpSrc, mask, &mask_c, 0, 0, 1, 1);	631	XRenderFillRectangle (dpy, PictOpSrc, mask, &mask_c, 0, 0, 1, 1);
		632
888	XRenderComposite (dpy, PictOpOver, src, mask, dst, 0, 0, 0, 0, 0, 0, target_width, target_height);	633	XRenderComposite (dpy, PictOpOver, src, mask, dst, 0, 0, 0, 0, 0, 0, target_width, target_height);
889	}
890		634
891	XRenderFreePicture (dpy, src);	635	XRenderFreePicture (dpy, src);
892	XRenderFreePicture (dpy, dst);	636	XRenderFreePicture (dpy, dst);
893	XRenderFreePicture (dpy, mask);	637	XRenderFreePicture (dpy, mask);
894
895	XFreePixmap (dpy, root_pmap);
896	}	638	}
897	#endif	639	#endif
898		640
899	if (result != pixbuf)
900	g_object_unref (result);
901
902	XFreeGC (target->dpy, gc);	641	XFreeGC (dpy, gc);
903		642
904	ret = true;	643	ret = true;
905	}	644	}
906		645
		646	if (result != pixbuf)
		647	g_object_unref (result);
		648
		649	if (need_blend)
		650	XFreePixmap (dpy, tmp_pixmap);
		651
907	return ret;	652	return ret;
908	}	653	}
909	# endif /* HAVE_PIXBUF */	654	# endif /* HAVE_PIXBUF */
910		655
911	bool	656	# ifndef NO_RESOURCES
912	bgPixmap_t::set_file (const char *file)	657	static int
		658	rxvt_define_image (XrmDatabase *database ecb_unused,
		659	XrmBindingList bindings ecb_unused,
		660	XrmQuarkList quarks,
		661	XrmRepresentation *type ecb_unused,
		662	XrmValue *value,
		663	XPointer closure ecb_unused)
913	{	664	{
914	assert (file);	665	int size;
915		666
916	if (*file)	667	for (size = 0; quarks[size] != NULLQUARK; size++)
917	{	668	;
918	if (const char *p = strchr (file, ';'))
919	{
920	size_t len = p - file;
921	char *f = rxvt_temp_buf<char> (len + 1);
922	memcpy (f, file, len);
923	f[len] = '\0';
924	file = f;
925	}
926		669
927	# ifdef HAVE_AFTERIMAGE	670	if (size >= 2)
928	if (!target->asimman)	671	{
929	target->asimman = create_generic_imageman (target->rs[Rs_path]);	672	int id = strtol (XrmQuarkToString (quarks[size-2]), 0, 0);
930	ASImage *image = get_asimage (target->asimman, file, 0xFFFFFFFF, 100);	673	if (id >= 1)
931	if (image)	674	GET_R->parse_image (id, XrmQuarkToString (quarks[size-1]), (char *)value->addr);
932	{	675	}
933	if (original_asim)	676	return False;
934	safe_asimage_destroy (original_asim);	677	}
935	original_asim = image;	678
936	have_image = true;	679	void
937	return true;	680	rxvt_term::parse_image (int id, const char type, const char arg)
938	}	681	{
		682	if (image_vec.size () < id + 1)
		683	image_vec.resize (id + 1);
		684
		685	rxvt_image *image = &image_vec[id];
		686	}
939	# endif	687	# endif
940		688
		689	rxvt_image::rxvt_image ()
		690	{
		691	alpha = 0xffff;
		692	flags = 0;
		693	h_scale =
		694	v_scale = defaultScale;
		695	h_align =
		696	v_align = defaultAlign;
		697
941	# ifdef HAVE_PIXBUF	698	# ifdef HAVE_PIXBUF
942	GdkPixbuf *image = gdk_pixbuf_new_from_file (file, NULL);	699	pixbuf = 0;
943	if (image)
944	{
945	if (pixbuf)
946	g_object_unref (pixbuf);
947	pixbuf = image;
948	have_image = true;
949	return true;
950	}
951	# endif	700	# endif
952	}	701	}
953		702
		703	bool
		704	rxvt_image::set_file_geometry (const char *file)
		705	{
		706	if (!file \|\| !*file)
954	return false;	707	return false;
		708
		709	const char *p = strchr (file, ';');
		710
		711	if (p)
		712	{
		713	size_t len = p - file;
		714	char *f = rxvt_temp_buf<char> (len + 1);
		715	memcpy (f, file, len);
		716	f[len] = '\0';
		717	file = f;
		718	}
		719
		720	bool ret = set_file (file);
		721	alpha = 0x8000;
		722	if (ret)
		723	set_geometry (p ? p + 1 : "");
		724	return ret;
		725	}
		726
		727	bool
		728	rxvt_image::set_file (const char *file)
		729	{
		730	bool ret = false;
		731
		732	# ifdef HAVE_PIXBUF
		733	GdkPixbuf *image = gdk_pixbuf_new_from_file (file, NULL);
		734	if (image)
		735	{
		736	if (pixbuf)
		737	g_object_unref (pixbuf);
		738	pixbuf = image;
		739	ret = true;
		740	}
		741	# endif
		742
		743	if (ret)
		744	flags \|= IM_IS_SET;
		745
		746	return ret;
955	}	747	}
956		748
957	# endif /* BG_IMAGE_FROM_FILE */	749	# endif /* BG_IMAGE_FROM_FILE */
958		750
959	# ifdef ENABLE_TRANSPARENCY
960	bool	751	bool
961	bgPixmap_t::set_transparent ()
962	{
963	if (!(flags & isTransparent))
964	{
965	flags \|= isTransparent;
966	return true;
967	}
968
969	return false;
970	}
971
972	bool
973	bgPixmap_t::set_blur_radius (const char *geom)	752	image_effects::set_blur (const char *geom)
974	{	753	{
975	int changed = 0;	754	bool changed = false;
976	unsigned int hr, vr;	755	unsigned int hr, vr;
977	int junk;	756	int junk;
978	int geom_flags = XParseGeometry (geom, &junk, &junk, &hr, &vr);	757	int geom_flags = XParseGeometry (geom, &junk, &junk, &hr, &vr);
979		758
980	if (!(geom_flags & WidthValue))	759	if (!(geom_flags & WidthValue))
…		…
985	min_it (hr, 128);	764	min_it (hr, 128);
986	min_it (vr, 128);	765	min_it (vr, 128);
987		766
988	if (h_blurRadius != hr)	767	if (h_blurRadius != hr)
989	{	768	{
990	++changed;	769	changed = true;
991	h_blurRadius = hr;	770	h_blurRadius = hr;
992	}	771	}
993		772
994	if (v_blurRadius != vr)	773	if (v_blurRadius != vr)
995	{	774	{
996	++changed;	775	changed = true;
997	v_blurRadius = vr;	776	v_blurRadius = vr;
998	}	777	}
999		778
1000	if (v_blurRadius == 0 && h_blurRadius == 0)
1001	flags &= ~blurNeeded;
1002	else
1003	flags \|= blurNeeded;
1004
1005	#if XRENDER
1006	XFilters *filters = XRenderQueryFilters (target->dpy, target->display->root);
1007	if (filters)
1008	{
1009	for (int i = 0; i < filters->nfilter; i++)
1010	if (!strcmp (filters->filter[i], FilterConvolution))
1011	flags \|= bgPixmap_t::blurServerSide;
1012
1013	XFree (filters);
1014	}
1015	#endif
1016
1017	return (changed > 0);	779	return changed;
1018	}	780	}
1019		781
1020	static inline unsigned long
1021	compute_tint_shade_flags (rxvt_color *tint, int shade)
1022	{
1023	unsigned long flags = 0;
1024	rgba c (rgba::MAX_CC,rgba::MAX_CC,rgba::MAX_CC);
1025	bool has_shade = shade != 100;
1026
1027	if (tint)
1028	{
1029	tint->get (c);
1030	# define IS_COMPONENT_WHOLESOME(cmp) ((cmp) <= 0x000700 \|\| (cmp) >= 0x00f700)
1031	if (!has_shade && IS_COMPONENT_WHOLESOME (c.r)
1032	&& IS_COMPONENT_WHOLESOME (c.g)
1033	&& IS_COMPONENT_WHOLESOME (c.b))
1034	flags \|= bgPixmap_t::tintWholesome;
1035	# undef IS_COMPONENT_WHOLESOME
1036	}
1037
1038	if (has_shade)
1039	flags \|= bgPixmap_t::tintNeeded;
1040	else if (tint)
1041	{
1042	if ((c.r > 0x000700 \|\| c.g > 0x000700 \|\| c.b > 0x000700)
1043	&& (c.r < 0x00f700 \|\| c.g < 0x00f700 \|\| c.b < 0x00f700))
1044	{
1045	flags \|= bgPixmap_t::tintNeeded;
1046	}
1047	}
1048
1049	if (flags & bgPixmap_t::tintNeeded)
1050	{
1051	if (flags & bgPixmap_t::tintWholesome)
1052	flags \|= bgPixmap_t::tintServerSide;
1053	else
1054	{
1055	#if XRENDER
1056	flags \|= bgPixmap_t::tintServerSide;
1057	#endif
1058	}
1059	}
1060
1061	return flags;
1062	}
1063
1064	bool	782	bool
1065	bgPixmap_t::set_tint (rxvt_color &new_tint)	783	image_effects::set_tint (const rxvt_color &new_tint)
1066	{	784	{
1067	if (!(flags & tintSet) \|\| tint != new_tint)	785	if (!tint_set \|\| tint != new_tint)
1068	{	786	{
1069	unsigned long new_flags = compute_tint_shade_flags (&new_tint, shade);
1070	tint = new_tint;	787	tint = new_tint;
1071	flags = (flags & ~tintFlags) \| new_flags \| tintSet;	788	tint_set = true;
		789
1072	return true;	790	return true;
1073	}	791	}
1074		792
1075	return false;	793	return false;
1076	}	794	}
1077		795
1078	bool	796	bool
1079	bgPixmap_t::unset_tint ()
1080	{
1081	unsigned long new_flags = compute_tint_shade_flags (NULL, shade);
1082
1083	if (new_flags != (flags & tintFlags))
1084	{
1085	flags = (flags & ~tintFlags) \| new_flags;
1086	return true;
1087	}
1088
1089	return false;
1090	}
1091
1092	bool
1093	bgPixmap_t::set_shade (const char *shade_str)	797	image_effects::set_shade (const char *shade_str)
1094	{	798	{
1095	int new_shade = (shade_str) ? atoi (shade_str) : 100;	799	int new_shade = atoi (shade_str);
1096		800
1097	clamp_it (new_shade, -100, 200);	801	clamp_it (new_shade, -100, 200);
1098	if (new_shade < 0)	802	if (new_shade < 0)
1099	new_shade = 200 - (100 + new_shade);	803	new_shade = 200 - (100 + new_shade);
1100		804
1101	if (new_shade != shade)	805	if (new_shade != shade)
1102	{	806	{
1103	unsigned long new_flags = compute_tint_shade_flags ((flags & tintSet) ? &tint : NULL, new_shade);
1104	shade = new_shade;	807	shade = new_shade;
1105	flags = (flags & (~tintFlags \| tintSet)) \| new_flags;
1106	return true;	808	return true;
1107	}	809	}
1108		810
1109	return false;	811	return false;
1110	}	812	}
…		…
1131	params[i+2] = XDoubleToFixed (kernel[i] / sum);	833	params[i+2] = XDoubleToFixed (kernel[i] / sum);
1132	}	834	}
1133	#endif	835	#endif
1134		836
1135	bool	837	bool
1136	bgPixmap_t::blur_pixmap (Pixmap pixmap, Visual *visual, int width, int height)	838	rxvt_term::blur_pixmap (Pixmap pixmap, int width, int height, bool argb, int h_blurRadius, int v_blurRadius)
1137	{	839	{
1138	bool ret = false;	840	bool ret = false;
1139	#if XRENDER	841	#if XRENDER
		842	if (!(bg_flags & BG_HAS_RENDER_CONV))
		843	return false;
		844
1140	int size = max (h_blurRadius, v_blurRadius) * 2 + 1;	845	int size = max (h_blurRadius, v_blurRadius) * 2 + 1;
1141	double kernel = (double )malloc (size * sizeof (double));	846	double kernel = (double )malloc (size * sizeof (double));
1142	XFixed params = (XFixed )malloc ((size + 2) * sizeof (XFixed));	847	XFixed params = (XFixed )malloc ((size + 2) * sizeof (XFixed));
1143		848
1144	Display *dpy = target->dpy;
1145	XRenderPictureAttributes pa;	849	XRenderPictureAttributes pa;
1146	XRenderPictFormat *format = XRenderFindVisualFormat (dpy, visual);	850	XRenderPictFormat *format = argb ? XRenderFindStandardFormat (dpy, PictStandardARGB32)
		851	: XRenderFindVisualFormat (dpy, visual);
1147		852
		853	pa.repeat = RepeatPad;
1148	Picture src = XRenderCreatePicture (dpy, pixmap, format, 0, &pa);	854	Picture src = XRenderCreatePicture (dpy, pixmap, format, CPRepeat, &pa);
		855	Pixmap tmp = XCreatePixmap (dpy, pixmap, width, height, depth);
1149	Picture dst = XRenderCreatePicture (dpy, pixmap, format, 0, &pa);	856	Picture dst = XRenderCreatePicture (dpy, tmp, format, CPRepeat, &pa);
		857	XFreePixmap (dpy, tmp);
1150		858
1151	if (kernel && params && src && dst)	859	if (kernel && params)
1152	{	860	{
1153	if (h_blurRadius)
1154	{
1155	size = h_blurRadius * 2 + 1;	861	size = h_blurRadius * 2 + 1;
1156	get_gaussian_kernel (h_blurRadius, size, kernel, params);	862	get_gaussian_kernel (h_blurRadius, size, kernel, params);
1157		863
1158	XRenderSetPictureFilter (dpy, src, FilterConvolution, params, size+2);	864	XRenderSetPictureFilter (dpy, src, FilterConvolution, params, size+2);
1159	XRenderComposite (dpy,	865	XRenderComposite (dpy,
1160	PictOpSrc,	866	PictOpSrc,
1161	src,	867	src,
1162	None,	868	None,
1163	dst,	869	dst,
1164	0, 0,	870	0, 0,
1165	0, 0,	871	0, 0,
1166	0, 0,	872	0, 0,
1167	width, height);	873	width, height);
1168	}
1169		874
1170	if (v_blurRadius)	875	::swap (src, dst);
1171	{	876
1172	size = v_blurRadius * 2 + 1;	877	size = v_blurRadius * 2 + 1;
1173	get_gaussian_kernel (v_blurRadius, size, kernel, params);	878	get_gaussian_kernel (v_blurRadius, size, kernel, params);
1174	swap (params[0], params[1]);	879	::swap (params[0], params[1]);
1175		880
1176	XRenderSetPictureFilter (dpy, src, FilterConvolution, params, size+2);	881	XRenderSetPictureFilter (dpy, src, FilterConvolution, params, size+2);
1177	XRenderComposite (dpy,	882	XRenderComposite (dpy,
1178	PictOpSrc,	883	PictOpSrc,
1179	src,	884	src,
1180	None,	885	None,
1181	dst,	886	dst,
1182	0, 0,	887	0, 0,
1183	0, 0,	888	0, 0,
1184	0, 0,	889	0, 0,
1185	width, height);	890	width, height);
1186	}
1187		891
1188	ret = true;	892	ret = true;
1189	}	893	}
1190		894
1191	free (kernel);	895	free (kernel);
…		…
1195	#endif	899	#endif
1196	return ret;	900	return ret;
1197	}	901	}
1198		902
1199	bool	903	bool
1200	bgPixmap_t::tint_pixmap (Pixmap pixmap, Visual *visual, int width, int height)	904	rxvt_term::tint_pixmap (Pixmap pixmap, int width, int height, bool argb, rxvt_color &tint, bool tint_set, int shade)
1201	{	905	{
1202	Display *dpy = target->dpy;
1203	bool ret = false;	906	bool ret = false;
1204		907
1205	if (flags & tintWholesome)	908	rgba c (rgba::MAX_CC, rgba::MAX_CC, rgba::MAX_CC);
		909
		910	if (tint_set)
		911	tint.get (c);
		912
		913	if (shade == 100
		914	&& (c.r <= 0x00ff \|\| c.r >= 0xff00)
		915	&& (c.g <= 0x00ff \|\| c.g >= 0xff00)
		916	&& (c.b <= 0x00ff \|\| c.b >= 0xff00))
1206	{	917	{
1207	XGCValues gcv;	918	XGCValues gcv;
1208	GC gc;	919	GC gc;
1209		920
1210	/* In this case we can tint image server-side getting significant	921	/* In this case we can tint image server-side getting significant
…		…
1219	XFillRectangle (dpy, pixmap, gc, 0, 0, width, height);	930	XFillRectangle (dpy, pixmap, gc, 0, 0, width, height);
1220	ret = true;	931	ret = true;
1221	XFreeGC (dpy, gc);	932	XFreeGC (dpy, gc);
1222	}	933	}
1223	}	934	}
1224	else
1225	{
1226	# if XRENDER	935	# if XRENDER
1227	rgba c (rgba::MAX_CC,rgba::MAX_CC,rgba::MAX_CC);	936	else if (bg_flags & BG_HAS_RENDER)
1228		937	{
1229	if (flags & tintSet)
1230	tint.get (c);
1231
1232	if (shade <= 100)	938	if (shade <= 100)
1233	{	939	{
1234	c.r = (c.r * shade) / 100;	940	c.r = c.r * shade / 100;
1235	c.g = (c.g * shade) / 100;	941	c.g = c.g * shade / 100;
1236	c.b = (c.b * shade) / 100;	942	c.b = c.b * shade / 100;
1237	}	943	}
1238	else	944	else
1239	{	945	{
1240	c.r = ((0xffff - c.r) * (200 - shade)) / 100;	946	c.r = c.r * (200 - shade) / 100;
1241	c.g = ((0xffff - c.g) * (200 - shade)) / 100;	947	c.g = c.g * (200 - shade) / 100;
1242	c.b = ((0xffff - c.b) * (200 - shade)) / 100;	948	c.b = c.b * (200 - shade) / 100;
1243	}	949	}
1244		950
1245	XRenderPictFormat *solid_format = XRenderFindStandardFormat (dpy, PictStandardARGB32);	951	XRenderPictFormat *format = argb ? XRenderFindStandardFormat (dpy, PictStandardARGB32)
1246	XRenderPictFormat *format = XRenderFindVisualFormat (dpy, visual);	952	: XRenderFindVisualFormat (dpy, visual);
1247	XRenderPictureAttributes pa;
1248		953
1249	Picture back_pic = XRenderCreatePicture (dpy, pixmap, format, 0, &pa);	954	Picture back_pic = XRenderCreatePicture (dpy, pixmap, format, 0, 0);
1250		955
1251	pa.repeat = True;	956	Picture overlay_pic = create_xrender_mask (dpy, pixmap, True, False);
1252		957
1253	Pixmap overlay_pmap = XCreatePixmap (dpy, pixmap, 1, 1, 32);	958	Picture mask_pic = create_xrender_mask (dpy, pixmap, True, True);
1254	Picture overlay_pic = XRenderCreatePicture (dpy, overlay_pmap, solid_format, CPRepeat, &pa);
1255	XFreePixmap (dpy, overlay_pmap);
1256		959
1257	pa.component_alpha = True;
1258	Pixmap mask_pmap = XCreatePixmap (dpy, pixmap, 1, 1, 32);
1259	Picture mask_pic = XRenderCreatePicture (dpy, mask_pmap, solid_format, CPRepeat\|CPComponentAlpha, &pa);
1260	XFreePixmap (dpy, mask_pmap);
1261
1262	if (mask_pic && overlay_pic && back_pic)
1263	{
1264	XRenderColor mask_c;	960	XRenderColor mask_c;
1265		961
1266	memset (&mask_c, (shade > 100) ? 0xFF : 0x0, sizeof (mask_c));
1267	mask_c.alpha = 0xffff;	962	mask_c.alpha = 0xffff;
		963	mask_c.red =
		964	mask_c.green =
		965	mask_c.blue = 0;
		966	XRenderFillRectangle (dpy, PictOpSrc, overlay_pic, &mask_c, 0, 0, 1, 1);
		967
		968	mask_c.alpha = 0;
		969	mask_c.red = 0xffff - c.r;
		970	mask_c.green = 0xffff - c.g;
		971	mask_c.blue = 0xffff - c.b;
		972	XRenderFillRectangle (dpy, PictOpSrc, mask_pic, &mask_c, 0, 0, 1, 1);
		973
		974	XRenderComposite (dpy, PictOpOver, overlay_pic, mask_pic, back_pic, 0, 0, 0, 0, 0, 0, width, height);
		975
		976	if (shade > 100)
		977	{
		978	mask_c.alpha = 0;
		979	mask_c.red =
		980	mask_c.green =
		981	mask_c.blue = 0xffff * (shade - 100) / 100;
1268	XRenderFillRectangle (dpy, PictOpSrc, overlay_pic, &mask_c, 0, 0, 1, 1);	982	XRenderFillRectangle (dpy, PictOpSrc, overlay_pic, &mask_c, 0, 0, 1, 1);
1269		983
1270	mask_c.alpha = 0;
1271	mask_c.red = 0xffff - c.r;
1272	mask_c.green = 0xffff - c.g;
1273	mask_c.blue = 0xffff - c.b;
1274	XRenderFillRectangle (dpy, PictOpSrc, mask_pic, &mask_c, 0, 0, 1, 1);
1275	XRenderComposite (dpy, PictOpOver, overlay_pic, mask_pic, back_pic, 0, 0, 0, 0, 0, 0, width, height);	984	XRenderComposite (dpy, PictOpOver, overlay_pic, None, back_pic, 0, 0, 0, 0, 0, 0, width, height);
		985	}
		986
1276	ret = true;	987	ret = true;
1277	}
1278		988
1279	XRenderFreePicture (dpy, mask_pic);	989	XRenderFreePicture (dpy, mask_pic);
1280	XRenderFreePicture (dpy, overlay_pic);	990	XRenderFreePicture (dpy, overlay_pic);
1281	XRenderFreePicture (dpy, back_pic);	991	XRenderFreePicture (dpy, back_pic);
		992	}
1282	# endif	993	# endif
1283	}
1284		994
1285	return ret;	995	return ret;
1286	}	996	}
1287		997
1288	/* make_transparency_pixmap()	998	# ifdef ENABLE_TRANSPARENCY
		999	/*
1289	* Builds a pixmap of the same size as the terminal window that contains	1000	* Builds a pixmap of the same size as the terminal window that contains
1290	* the tiled portion of the root pixmap that is supposed to be covered by	1001	* the tiled portion of the root pixmap that is supposed to be covered by
1291	* our window.	1002	* our window.
1292	*/	1003	*/
1293	unsigned long	1004	bool
1294	bgPixmap_t::make_transparency_pixmap ()	1005	rxvt_term::render_root_image ()
1295	{	1006	{
1296	unsigned long result = 0;	1007	bool ret = false;
1297
1298	if (target == NULL)
1299	return 0;
1300		1008
1301	/* root dimensions may change from call to call - but Display structure should	1009	/* root dimensions may change from call to call - but Display structure should
1302	* be always up-to-date, so let's use it :	1010	* be always up-to-date, so let's use it :
1303	*/	1011	*/
1304	Window root = target->display->root;
1305	int screen = target->display->screen;	1012	int screen = display->screen;
1306	Display *dpy = target->dpy;	1013	int root_depth = DefaultDepth (dpy, screen);
1307	int root_width = DisplayWidth (dpy, screen);	1014	int root_width = DisplayWidth (dpy, screen);
1308	int root_height = DisplayHeight (dpy, screen);	1015	int root_height = DisplayHeight (dpy, screen);
		1016	unsigned int root_pmap_width, root_pmap_height;
1309	int window_width = target->szHint.width;	1017	int window_width = szHint.width;
1310	int window_height = target->szHint.height;	1018	int window_height = szHint.height;
1311	int sx, sy;	1019	int sx, sy;
1312	XGCValues gcv;	1020	XGCValues gcv;
1313	GC gc;	1021	GC gc;
1314		1022
1315	target->get_window_origin (sx, sy);	1023	sx = target_x;
		1024	sy = target_y;
1316		1025
1317	/* check if we are outside of the visible part of the virtual screen : */	1026	/* check if we are outside of the visible part of the virtual screen : */
1318	if (sx + window_width <= 0 \|\| sy + window_height <= 0	1027	if (sx + window_width <= 0 \|\| sy + window_height <= 0
1319	\|\| sx >= root_width \|\| sy >= root_height)	1028	\|\| sx >= root_width \|\| sy >= root_height)
1320	return 0;	1029	return 0;
1321		1030
1322	if (root_pixmap == None)	1031	// validate root pixmap and get its size
1323	return 0;
1324
1325	Pixmap tiled_root_pmap = XCreatePixmap (dpy, root, window_width, window_height, root_depth);
1326
1327	if (tiled_root_pmap == None) /* something really bad happened - abort */
1328	return 0;
1329
1330	/* straightforward pixmap copy */
1331	gcv.tile = root_pixmap;
1332	gcv.fill_style = FillTiled;
1333
1334	while (sx < 0) sx += (int)root_width;
1335	while (sy < 0) sy += (int)root_height;
1336
1337	gcv.ts_x_origin = -sx;
1338	gcv.ts_y_origin = -sy;
1339	gc = XCreateGC (dpy, root, GCFillStyle \| GCTile \| GCTileStipXOrigin \| GCTileStipYOrigin, &gcv);
1340
1341	if (gc)
1342	{
1343	XFillRectangle (dpy, tiled_root_pmap, gc, 0, 0, window_width, window_height);
1344	result \|= transpPmapTiled;
1345	XFreeGC (dpy, gc);
1346	}
1347
1348	if (tiled_root_pmap != None)
1349	{
1350	if (!need_client_side_rendering ())
1351	{
1352	if (flags & (blurNeeded \| blurServerSide))
1353	{
1354	if (blur_pixmap (tiled_root_pmap, DefaultVisual (dpy, screen), window_width, window_height))
1355	result \|= transpPmapBlurred;
1356	}
1357	if (flags & (tintNeeded \| tintServerSide))
1358	{
1359	if (tint_pixmap (tiled_root_pmap, DefaultVisual (dpy, screen), window_width, window_height))
1360	result \|= transpPmapTinted;
1361	}
1362	} /* server side rendering completed */
1363
1364	if (pixmap)
1365	XFreePixmap (dpy, pixmap);
1366
1367	pixmap = tiled_root_pmap;
1368	pmap_width = window_width;
1369	pmap_height = window_height;
1370	pmap_depth = root_depth;
1371	}
1372
1373	return result;
1374	}
1375
1376	void
1377	bgPixmap_t::set_root_pixmap ()
1378	{
1379	Pixmap new_root_pixmap = target->get_pixmap_property (XA_XROOTPMAP_ID);
1380	if (new_root_pixmap == None)
1381	new_root_pixmap = target->get_pixmap_property (XA_ESETROOT_PMAP_ID);
1382
1383	root_pixmap = new_root_pixmap;
1384
1385	// validate root pixmap
1386	if (root_pixmap != None)	1032	if (root_pixmap != None)
1387	{	1033	{
1388	unsigned int width, height;
1389	Window wdummy;	1034	Window wdummy;
1390	int idummy;	1035	int idummy;
1391	unsigned int udummy;	1036	unsigned int udummy;
1392		1037
1393	target->allowedxerror = -1;	1038	allowedxerror = -1;
1394		1039
1395	if (!XGetGeometry (target->dpy, root_pixmap, &wdummy, &idummy, &idummy, &width, &height, &udummy, &udummy))	1040	if (!XGetGeometry (dpy, root_pixmap, &wdummy, &idummy, &idummy, &root_pmap_width, &root_pmap_height, &udummy, &udummy))
1396	root_pixmap = None;	1041	root_pixmap = None;
1397		1042
1398	target->allowedxerror = 0;	1043	allowedxerror = 0;
		1044	}
		1045
		1046	Pixmap recoded_root_pmap = root_pixmap;
		1047
		1048	if (root_pixmap != None && root_depth != depth)
1399	}	1049	{
		1050	#if XRENDER
		1051	if (bg_flags & BG_HAS_RENDER)
		1052	{
		1053	recoded_root_pmap = XCreatePixmap (dpy, vt, root_pmap_width, root_pmap_height, depth);
		1054
		1055	XRenderPictFormat *src_format = XRenderFindVisualFormat (dpy, DefaultVisual (dpy, screen));
		1056	Picture src = XRenderCreatePicture (dpy, root_pixmap, src_format, 0, 0);
		1057
		1058	XRenderPictFormat *dst_format = XRenderFindVisualFormat (dpy, visual);
		1059	Picture dst = XRenderCreatePicture (dpy, recoded_root_pmap, dst_format, 0, 0);
		1060
		1061	XRenderComposite (dpy, PictOpSrc, src, None, dst, 0, 0, 0, 0, 0, 0, root_pmap_width, root_pmap_height);
		1062
		1063	XRenderFreePicture (dpy, src);
		1064	XRenderFreePicture (dpy, dst);
		1065	}
		1066	else
		1067	#endif
		1068	recoded_root_pmap = None;
		1069	}
		1070
		1071	if (recoded_root_pmap == None)
		1072	return 0;
		1073
		1074	if (bg_pixmap == None
		1075	\|\| bg_pmap_width != window_width
		1076	\|\| bg_pmap_height != window_height)
		1077	{
		1078	if (bg_pixmap)
		1079	XFreePixmap (dpy, bg_pixmap);
		1080	bg_pixmap = XCreatePixmap (dpy, vt, window_width, window_height, depth);
		1081	bg_pmap_width = window_width;
		1082	bg_pmap_height = window_height;
		1083	}
		1084
		1085	/* straightforward pixmap copy */
		1086	while (sx < 0) sx += root_pmap_width;
		1087	while (sy < 0) sy += root_pmap_height;
		1088
		1089	gcv.tile = recoded_root_pmap;
		1090	gcv.fill_style = FillTiled;
		1091	gcv.ts_x_origin = -sx;
		1092	gcv.ts_y_origin = -sy;
		1093	gc = XCreateGC (dpy, vt, GCFillStyle \| GCTile \| GCTileStipXOrigin \| GCTileStipYOrigin, &gcv);
		1094
		1095	if (gc)
		1096	{
		1097	XFillRectangle (dpy, bg_pixmap, gc, 0, 0, window_width, window_height);
		1098	ret = true;
		1099	bool need_blur = root_effects.need_blur ();
		1100	bool need_tint = root_effects.need_tint ();
		1101
		1102	if (need_blur)
		1103	{
		1104	if (blur_pixmap (bg_pixmap, window_width, window_height, false,
		1105	root_effects.h_blurRadius, root_effects.v_blurRadius))
		1106	need_blur = false;
		1107	}
		1108	if (need_tint)
		1109	{
		1110	if (tint_pixmap (bg_pixmap, window_width, window_height, false,
		1111	root_effects.tint, root_effects.tint_set, root_effects.shade))
		1112	need_tint = false;
		1113	}
		1114	if (need_tint)
		1115	{
		1116	XImage *ximage = XGetImage (dpy, bg_pixmap, 0, 0, bg_pmap_width, bg_pmap_height, AllPlanes, ZPixmap);
		1117	if (ximage)
		1118	{
		1119	/* our own client-side tinting */
		1120	tint_ximage (ximage, root_effects.tint, root_effects.tint_set, root_effects.shade);
		1121
		1122	XPutImage (dpy, bg_pixmap, gc, ximage, 0, 0, 0, 0, ximage->width, ximage->height);
		1123	XDestroyImage (ximage);
		1124	}
		1125	}
		1126
		1127	XFreeGC (dpy, gc);
		1128	}
		1129
		1130	if (recoded_root_pmap != root_pixmap)
		1131	XFreePixmap (dpy, recoded_root_pmap);
		1132
		1133	return ret;
		1134	}
		1135
		1136	void
		1137	rxvt_term::bg_set_root_pixmap ()
		1138	{
		1139	Pixmap new_root_pixmap = get_pixmap_property (xa[XA_XROOTPMAP_ID]);
		1140	if (new_root_pixmap == None)
		1141	new_root_pixmap = get_pixmap_property (xa[XA_ESETROOT_PMAP_ID]);
		1142
		1143	root_pixmap = new_root_pixmap;
1400	}	1144	}
1401	# endif /* ENABLE_TRANSPARENCY */	1145	# endif /* ENABLE_TRANSPARENCY */
1402		1146
1403	# ifndef HAVE_AFTERIMAGE	1147	bool
1404	static void ShadeXImage(Visual visual, XImage srcImage, int shade, int rm, int gm, int bm);	1148	rxvt_term::bg_render ()
		1149	{
		1150	bg_invalidate ();
		1151	# ifdef ENABLE_TRANSPARENCY
		1152	if (bg_flags & BG_IS_TRANSPARENT)
		1153	{
		1154	/* we need to re-generate transparency pixmap in that case ! */
		1155	if (render_root_image ())
		1156	bg_flags \|= BG_IS_VALID;
		1157	}
1405	# endif	1158	# endif
1406		1159
1407	bool	1160	# ifdef BG_IMAGE_FROM_FILE
1408	bgPixmap_t::render ()	1161	for (vector<rxvt_image>::iterator bg_image = image_vec.begin (); bg_image < image_vec.end (); bg_image++)
1409	{
1410	unsigned long background_flags = 0;
1411
1412	if (target == NULL)
1413	return false;
1414
1415	invalidate ();
1416	# ifdef ENABLE_TRANSPARENCY
1417	if (flags & isTransparent)
1418	{	1162	{
1419	/* we need to re-generate transparency pixmap in that case ! */	1163	if (render_image (*bg_image))
1420	background_flags = make_transparency_pixmap ();	1164	bg_flags \|= BG_IS_VALID;
1421	if (background_flags == 0)
1422	return false;
1423	else if ((background_flags & transpTransformations) == (flags & transpTransformations)
1424	&& pmap_depth == target->depth)
1425	flags = flags & ~isInvalid;
1426	}	1165	}
1427	# endif	1166	# endif
1428		1167
		1168	if (!(bg_flags & BG_IS_VALID))
		1169	{
		1170	if (bg_pixmap != None)
		1171	{
		1172	XFreePixmap (dpy, bg_pixmap);
		1173	bg_pixmap = None;
		1174	}
		1175	}
		1176
		1177	scr_recolour (false);
		1178	bg_flags \|= BG_NEEDS_REFRESH;
		1179
		1180	bg_valid_since = ev::now ();
		1181
		1182	return true;
		1183	}
		1184
		1185	void
		1186	rxvt_term::bg_init ()
		1187	{
		1188	bg_flags &= ~(BG_HAS_RENDER \| BG_HAS_RENDER_CONV);
		1189	#if XRENDER
		1190	int major, minor;
		1191	if (XRenderQueryVersion (dpy, &major, &minor))
		1192	bg_flags \|= BG_HAS_RENDER;
		1193	XFilters *filters = XRenderQueryFilters (dpy, vt);
		1194	if (filters)
		1195	{
		1196	for (int i = 0; i < filters->nfilter; i++)
		1197	if (!strcmp (filters->filter[i], FilterConvolution))
		1198	bg_flags \|= BG_HAS_RENDER_CONV;
		1199
		1200	XFree (filters);
		1201	}
		1202	#endif
		1203
1429	# ifdef BG_IMAGE_FROM_FILE	1204	#ifdef BG_IMAGE_FROM_FILE
1430	if (have_image	1205	if (rs[Rs_backgroundPixmap])
1431	\|\| (background_flags & transpTransformations) != (flags & transpTransformations))	1206	{
		1207	rxvt_image *image = new_image ();
		1208	if (!image->set_file_geometry (rs[Rs_backgroundPixmap]))
		1209	image_vec.pop_back ();
1432	{	1210	}
1433	if (render_image (background_flags))	1211
1434	flags = flags & ~isInvalid;	1212	# ifndef NO_RESOURCES
		1213	find_resources ("image", "Image", XrmEnumAllLevels, rxvt_define_image);
		1214	vector<rxvt_image>::iterator bg_image = image_vec.begin ();
		1215	while (bg_image != image_vec.end ())
		1216	{
		1217	if (!(bg_image->flags & IM_IS_SET))
		1218	bg_image = image_vec.erase (bg_image);
		1219	else
		1220	{
		1221	if (bg_image->is_size_sensitive ())
		1222	bg_image->flags \|= IM_IS_SIZE_SENSITIVE;
		1223
		1224	bg_image++;
		1225	}
1435	}	1226	}
1436	# endif	1227	# endif
1437		1228
1438	XImage *result = NULL;	1229	if (image_vec.size () > 0
1439		1230	&& !bg_window_position_sensitive ())
1440	if (background_flags && (flags & isInvalid))	1231	update_background ();
1441	{
1442	result = XGetImage (target->dpy, pixmap, 0, 0, pmap_width, pmap_height, AllPlanes, ZPixmap);
1443	}
1444
1445	if (result)
1446	{
1447	# if !defined(HAVE_AFTERIMAGE) && !XRENDER
1448	/* our own client-side tinting */
1449	if (!(background_flags & transpPmapTinted) && (flags & tintNeeded))
1450	{
1451	rgba c (rgba::MAX_CC,rgba::MAX_CC,rgba::MAX_CC);
1452	if (flags & tintSet)
1453	tint.get (c);
1454	ShadeXImage (DefaultVisual (target->dpy, target->display->screen), result, shade, c.r, c.g, c.b);
1455	}
1456	# endif
1457
1458	GC gc = XCreateGC (target->dpy, target->vt, 0UL, NULL);
1459
1460	if (gc)
1461	{
1462	if (/pmap_depth != target->depth &&/ pixmap != None)
1463	{
1464	XFreePixmap (target->dpy, pixmap);
1465	pixmap = None;
1466	}
1467
1468	if (pixmap == None)
1469	{
1470	pixmap = XCreatePixmap (target->dpy, target->vt, result->width, result->height, target->depth);
1471	pmap_width = result->width;
1472	pmap_height = result->height;
1473	pmap_depth = target->depth;
1474	}
1475
1476	if (pmap_depth != result->depth)
1477	{
1478	/* Bad Match error will ensue ! stupid X !!!! */
1479	if (result->depth == 24 && pmap_depth == 32)
1480	result->depth = 32;
1481	else if (result->depth == 32 && pmap_depth == 24)
1482	result->depth = 24;
1483	else
1484	{
1485	/* TODO: implement image recoding */
1486	}
1487	}
1488
1489	if (pmap_depth == result->depth)
1490	XPutImage (target->dpy, pixmap, gc, result, 0, 0, 0, 0, result->width, result->height);
1491
1492	XFreeGC (target->dpy, gc);
1493	flags = flags & ~isInvalid;
1494	}
1495
1496	XDestroyImage (result);
1497	}
1498
1499	if (flags & isInvalid)
1500	{
1501	if (pixmap != None)
1502	{
1503	XFreePixmap (target->dpy, pixmap);
1504	pixmap = None;
1505	}
1506	}
1507
1508	apply ();
1509
1510	valid_since = ev::now ();
1511
1512	return true;
1513	}
1514
1515	bool
1516	bgPixmap_t::set_target (rxvt_term *new_target)
1517	{
1518	if (new_target)
1519	if (target != new_target)
1520	{
1521	target = new_target;
1522	# ifdef ENABLE_TRANSPARENCY
1523	root_depth = DefaultDepthOfScreen (ScreenOfDisplay (target->dpy, target->display->screen));
1524	# endif	1232	#endif
1525	return true;	1233	}
		1234
		1235	/* based on code from aterm-0.4.2 */
		1236
		1237	static inline void
		1238	fill_lut (uint32_t *lookup, uint32_t mask, int sh, unsigned short low, unsigned short high)
		1239	{
		1240	for (int i = 0; i <= mask >> sh; i++)
		1241	{
		1242	uint32_t tmp;
		1243	tmp = i * high;
		1244	tmp += (mask >> sh) * low;
		1245	lookup[i] = (tmp / 0xffff) << sh;
1526	}	1246	}
1527
1528	return false;
1529	}	1247	}
1530		1248
1531	void	1249	void
1532	bgPixmap_t::apply ()	1250	rxvt_term::tint_ximage (XImage *ximage, rxvt_color &tint, bool tint_set, int shade)
1533	{	1251	{
1534	if (target)	1252	unsigned int size_r, size_g, size_b;
1535	{
1536	if (pixmap != None)
1537	{
1538	/* set target's background to pixmap */
1539	# ifdef ENABLE_TRANSPARENCY
1540	if (flags & isTransparent)
1541	{
1542	XSetWindowBackgroundPixmap (target->dpy, target->parent[0], pixmap);
1543	XSetWindowBackgroundPixmap (target->dpy, target->vt, ParentRelative);
1544
1545	if (target->scrollBar.win)
1546	XSetWindowBackgroundPixmap (target->dpy, target->scrollBar.win, ParentRelative);
1547	}
1548	else
1549	# endif
1550	{
1551	/* force old pixmap dereference in case it was transparent before :*/
1552	XSetWindowBackground (target->dpy, target->parent[0], target->pix_colors[Color_border]);
1553	XSetWindowBackgroundPixmap (target->dpy, target->vt, pixmap);
1554	/* do we also need to set scrollbar's background here ? */
1555
1556	if (target->scrollBar.win)
1557	XSetWindowBackground (target->dpy, target->scrollBar.win, target->pix_colors[Color_border]);
1558	}
1559	}
1560	else
1561	{
1562	/* set target background to a pixel */
1563	XSetWindowBackground (target->dpy, target->parent[0], target->pix_colors[Color_border]);
1564	XSetWindowBackground (target->dpy, target->vt, target->pix_colors[Color_bg]);
1565	/* do we also need to set scrollbar's background here ? */
1566	if (target->scrollBar.win)
1567	XSetWindowBackground (target->dpy, target->scrollBar.win, target->pix_colors[Color_border]);
1568	}
1569
1570	/* don't want Expose on the parent or vt. It is better to use
1571	scr_touch or we get a great deal of flicker otherwise: */
1572	XClearWindow (target->dpy, target->parent[0]);
1573
1574	if (target->scrollBar.state && target->scrollBar.win)
1575	{
1576	target->scrollBar.state = STATE_IDLE;
1577	target->scrollBar.show (0);
1578	}
1579
1580	target->want_refresh = 1;
1581	flags \|= hasChanged;
1582	}
1583	}
1584
1585	#endif /* HAVE_BG_PIXMAP */
1586
1587	#if defined(ENABLE_TRANSPARENCY) && !defined(HAVE_AFTERIMAGE) && !XRENDER
1588	/* taken from aterm-0.4.2 */
1589
1590	static void
1591	ShadeXImage(Visual visual, XImage srcImage, int shade, int rm, int gm, int bm)
1592	{
1593	int sh_r, sh_g, sh_b;	1253	int sh_r, sh_g, sh_b;
1594	uint32_t mask_r, mask_g, mask_b;	1254	uint32_t mask_r, mask_g, mask_b;
1595	uint32_t lookup, lookup_r, lookup_g, lookup_b;	1255	uint32_t lookup, lookup_r, lookup_g, lookup_b;
1596	unsigned int lower_lim_r, lower_lim_g, lower_lim_b;	1256	unsigned short low;
1597	unsigned int upper_lim_r, upper_lim_g, upper_lim_b;
1598	int i;
1599	int host_byte_order = byteorder.big_endian () ? MSBFirst : LSBFirst;	1257	int host_byte_order = ecb_big_endian () ? MSBFirst : LSBFirst;
1600		1258
1601	if (visual->c_class != TrueColor \|\| srcImage->format != ZPixmap) return;	1259	if (visual->c_class != TrueColor \|\| ximage->format != ZPixmap) return;
1602		1260
1603	/* for convenience */	1261	/* for convenience */
1604	mask_r = visual->red_mask;	1262	mask_r = visual->red_mask;
1605	mask_g = visual->green_mask;	1263	mask_g = visual->green_mask;
1606	mask_b = visual->blue_mask;	1264	mask_b = visual->blue_mask;
1607		1265
1608	/* boring lookup table pre-initialization */	1266	/* boring lookup table pre-initialization */
1609	switch (srcImage->depth)	1267	sh_r = ecb_ctz32 (mask_r);
1610	{	1268	sh_g = ecb_ctz32 (mask_g);
1611	case 15:	1269	sh_b = ecb_ctz32 (mask_b);
1612	if ((mask_r != 0x7c00) \|\|	1270
1613	(mask_g != 0x03e0) \|\|	1271	size_r = mask_r >> sh_r;
1614	(mask_b != 0x001f))	1272	size_g = mask_g >> sh_g;
		1273	size_b = mask_b >> sh_b;
		1274
		1275	if (size_r++ > 255 \|\| size_g++ > 255 \|\| size_b++ > 255)
1615	return;	1276	return;
1616	lookup = (uint32_t ) malloc (sizeof (uint32_t)(32+32+32));	1277
		1278	lookup = (uint32_t )malloc (sizeof (uint32_t) (size_r + size_g + size_b));
1617	lookup_r = lookup;	1279	lookup_r = lookup;
1618	lookup_g = lookup+32;	1280	lookup_g = lookup + size_r;
1619	lookup_b = lookup+32+32;	1281	lookup_b = lookup + size_r + size_g;
1620	sh_r = 10;	1282
1621	sh_g = 5;	1283	rgba c (rgba::MAX_CC, rgba::MAX_CC, rgba::MAX_CC);
1622	sh_b = 0;	1284
1623	break;	1285	if (tint_set)
1624	case 16:	1286	tint.get (c);
1625	if ((mask_r != 0xf800) \|\|
1626	(mask_g != 0x07e0) \|\|
1627	(mask_b != 0x001f))
1628	return;
1629	lookup = (uint32_t ) malloc (sizeof (uint32_t)(32+64+32));
1630	lookup_r = lookup;
1631	lookup_g = lookup+32;
1632	lookup_b = lookup+32+64;
1633	sh_r = 11;
1634	sh_g = 5;
1635	sh_b = 0;
1636	break;
1637	case 24:
1638	if ((mask_r != 0xff0000) \|\|
1639	(mask_g != 0x00ff00) \|\|
1640	(mask_b != 0x0000ff))
1641	return;
1642	lookup = (uint32_t ) malloc (sizeof (uint32_t)(256+256+256));
1643	lookup_r = lookup;
1644	lookup_g = lookup+256;
1645	lookup_b = lookup+256+256;
1646	sh_r = 16;
1647	sh_g = 8;
1648	sh_b = 0;
1649	break;
1650	case 32:
1651	if ((mask_r != 0xff0000) \|\|
1652	(mask_g != 0x00ff00) \|\|
1653	(mask_b != 0x0000ff))
1654	return;
1655	lookup = (uint32_t ) malloc (sizeof (uint32_t)(256+256+256));
1656	lookup_r = lookup;
1657	lookup_g = lookup+256;
1658	lookup_b = lookup+256+256;
1659	sh_r = 16;
1660	sh_g = 8;
1661	sh_b = 0;
1662	break;
1663	default:
1664	return; /* we do not support this color depth */
1665	}
1666		1287
1667	/* prepare limits for color transformation (each channel is handled separately) */	1288	/* prepare limits for color transformation (each channel is handled separately) */
1668	if (shade > 100)	1289	if (shade > 100)
1669	{	1290	{
1670	shade = 200 - shade;	1291	c.r = c.r * (200 - shade) / 100;
		1292	c.g = c.g * (200 - shade) / 100;
		1293	c.b = c.b * (200 - shade) / 100;
1671		1294
1672	lower_lim_r = 65535-rm;	1295	low = 0xffff * (shade - 100) / 100;
1673	lower_lim_g = 65535-gm;
1674	lower_lim_b = 65535-bm;
1675
1676	lower_lim_r = 65535-(unsigned int)(((uint32_t)lower_lim_r)*((uint32_t)shade)/100);
1677	lower_lim_g = 65535-(unsigned int)(((uint32_t)lower_lim_g)*((uint32_t)shade)/100);
1678	lower_lim_b = 65535-(unsigned int)(((uint32_t)lower_lim_b)*((uint32_t)shade)/100);
1679
1680	upper_lim_r = upper_lim_g = upper_lim_b = 65535;
1681	}	1296	}
1682	else	1297	else
1683	{	1298	{
		1299	c.r = c.r * shade / 100;
		1300	c.g = c.g * shade / 100;
		1301	c.b = c.b * shade / 100;
1684		1302
1685	lower_lim_r = lower_lim_g = lower_lim_b = 0;	1303	low = 0;
1686
1687	upper_lim_r = (unsigned int)((((uint32_t)rm)*((uint32_t)shade))/100);
1688	upper_lim_g = (unsigned int)((((uint32_t)gm)*((uint32_t)shade))/100);
1689	upper_lim_b = (unsigned int)((((uint32_t)bm)*((uint32_t)shade))/100);
1690	}	1304	}
1691		1305
1692	/* fill our lookup tables */	1306	/* fill our lookup tables */
1693	for (i = 0; i <= mask_r>>sh_r; i++)	1307	fill_lut (lookup_r, mask_r, sh_r, low, c.r);
1694	{	1308	fill_lut (lookup_g, mask_g, sh_g, low, c.g);
1695	uint32_t tmp;	1309	fill_lut (lookup_b, mask_b, sh_b, low, c.b);
1696	tmp = ((uint32_t)i)*((uint32_t)(upper_lim_r-lower_lim_r));
1697	tmp += ((uint32_t)(mask_r>>sh_r))*((uint32_t)lower_lim_r);
1698	lookup_r[i] = (tmp/65535)<<sh_r;
1699	}
1700	for (i = 0; i <= mask_g>>sh_g; i++)
1701	{
1702	uint32_t tmp;
1703	tmp = ((uint32_t)i)*((uint32_t)(upper_lim_g-lower_lim_g));
1704	tmp += ((uint32_t)(mask_g>>sh_g))*((uint32_t)lower_lim_g);
1705	lookup_g[i] = (tmp/65535)<<sh_g;
1706	}
1707	for (i = 0; i <= mask_b>>sh_b; i++)
1708	{
1709	uint32_t tmp;
1710	tmp = ((uint32_t)i)*((uint32_t)(upper_lim_b-lower_lim_b));
1711	tmp += ((uint32_t)(mask_b>>sh_b))*((uint32_t)lower_lim_b);
1712	lookup_b[i] = (tmp/65535)<<sh_b;
1713	}
1714		1310
1715	/* apply table to input image (replacing colors by newly calculated ones) */	1311	/* apply table to input image (replacing colors by newly calculated ones) */
1716	if (srcImage->bits_per_pixel == 32	1312	if (ximage->bits_per_pixel == 32
1717	&& (srcImage->depth == 24 \|\| srcImage->depth == 32)
1718	&& srcImage->byte_order == host_byte_order)	1313	&& ximage->byte_order == host_byte_order)
1719	{	1314	{
1720	uint32_t p1, pf, p, pl;	1315	char *line = ximage->data;
1721	p1 = (uint32_t *) srcImage->data;
1722	pf = (uint32_t ) (srcImage->data + srcImage->height srcImage->bytes_per_line);
1723		1316
1724	while (p1 < pf)	1317	for (int y = 0; y < ximage->height; y++)
1725	{	1318	{
1726	p = p1;	1319	uint32_t p = (uint32_t )line;
1727	pl = p1 + srcImage->width;	1320	for (int x = 0; x < ximage->width; x++)
1728	for (; p < pl; p++)
1729	{	1321	{
1730	p = lookup_r[(p & 0xff0000) >> 16] \|	1322	p = lookup_r[(p & mask_r) >> sh_r] \|
1731	lookup_g[(*p & 0x00ff00) >> 8] \|	1323	lookup_g[(*p & mask_g) >> sh_g] \|
1732	lookup_b[(*p & 0x0000ff)] \|	1324	lookup_b[(*p & mask_b) >> sh_b];
1733	(*p & 0xff000000);	1325	p++;
1734	}	1326	}
1735	p1 = (uint32_t ) ((char ) p1 + srcImage->bytes_per_line);	1327	line += ximage->bytes_per_line;
1736	}	1328	}
1737	}	1329	}
1738	else	1330	else
1739	{	1331	{
1740	for (int y = 0; y < srcImage->height; y++)	1332	for (int y = 0; y < ximage->height; y++)
1741	for (int x = 0; x < srcImage->width; x++)	1333	for (int x = 0; x < ximage->width; x++)
1742	{	1334	{
1743	unsigned long pixel = XGetPixel (srcImage, x, y);	1335	unsigned long pixel = XGetPixel (ximage, x, y);
1744	pixel = lookup_r[(pixel & mask_r) >> sh_r] \|	1336	pixel = lookup_r[(pixel & mask_r) >> sh_r] \|
1745	lookup_g[(pixel & mask_g) >> sh_g] \|	1337	lookup_g[(pixel & mask_g) >> sh_g] \|
1746	lookup_b[(pixel & mask_b) >> sh_b];	1338	lookup_b[(pixel & mask_b) >> sh_b];
1747	XPutPixel (srcImage, x, y, pixel);	1339	XPutPixel (ximage, x, y, pixel);
1748	}	1340	}
1749	}	1341	}
1750		1342
1751	free (lookup);	1343	free (lookup);
1752	}	1344	}
1753	#endif /* defined(ENABLE_TRANSPARENCY) && !defined(HAVE_AFTERIMAGE) */	1345
		1346	#endif /* HAVE_BG_PIXMAP */

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Comparing rxvt-unicode/src/background.C (file contents): Revision 1.101 by sf-exg, Sun Oct 31 08:28:04 2010 UTC vs. Revision 1.228 by sf-exg, Thu May 31 20:23:51 2012 UTC

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Comparing rxvt-unicode/src/background.C (file contents):
Revision 1.101 by sf-exg, Sun Oct 31 08:28:04 2010 UTC vs.
Revision 1.228 by sf-exg, Thu May 31 20:23:51 2012 UTC