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Comparing rxvt-unicode/src/background.C (file contents):
Revision 1.40 by sf-exg, Sat Aug 21 09:25:31 2010 UTC vs.
Revision 1.209 by sf-exg, Fri May 11 12:21:22 2012 UTC

1	/*----------------------------------------------------------------------*	1	/*----------------------------------------------------------------------*
2	* File: background.C - former xpm.C	2	* File: background.C - former xpm.C
3	*----------------------------------------------------------------------*	3	*----------------------------------------------------------------------*
4	*	4	*
5	* All portions of code are copyright by their respective author/s.	5	* All portions of code are copyright by their respective author/s.
6	* Copyright (c) 2005-2008 Marc Lehmann <pcg@goof.com>	6	* Copyright (c) 2005-2008 Marc Lehmann <schmorp@schmorp.de>
7	* Copyright (c) 2007 Sasha Vasko <sasha@aftercode.net>	7	* Copyright (c) 2007 Sasha Vasko <sasha@aftercode.net>
		8	* Copyright (c) 2010-2012 Emanuele Giaquinta <e.giaquinta@glauco.it>
8	*	9	*
9	* This program is free software; you can redistribute it and/or modify	10	* This program is free software; you can redistribute it and/or modify
10	* it under the terms of the GNU General Public License as published by	11	* it under the terms of the GNU General Public License as published by
11	* the Free Software Foundation; either version 2 of the License, or	12	* the Free Software Foundation; either version 2 of the License, or
12	* (at your option) any later version.	13	* (at your option) any later version.
…		…
19	* You should have received a copy of the GNU General Public License	20	* You should have received a copy of the GNU General Public License
20	* along with this program; if not, write to the Free Software	21	* along with this program; if not, write to the Free Software
21	* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.	22	* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
22	*---------------------------------------------------------------------*/	23	*---------------------------------------------------------------------*/
23		24
		25	#include <math.h>
24	#include "../config.h" /* NECESSARY */	26	#include "../config.h" /* NECESSARY */
25	#include "rxvt.h" /* NECESSARY */	27	#include "rxvt.h" /* NECESSARY */
26		28
27	#define DO_TIMING_TEST 0	29	#if XRENDER
28		30	# include <X11/extensions/Xrender.h>
29	#if DO_TIMING_TEST
30	# include <sys/time.h>
31	#define TIMING_TEST_START(id) \
32	struct timeval timing_test_##id##_stv; \
33	gettimeofday (&timing_test_##id##_stv, NULL);
34
35	#define TIMING_TEST_PRINT_RESULT(id) \
36	do { \
37	struct timeval tv; \
38	gettimeofday (&tv, NULL); \
39	tv.tv_sec -= (timing_test_##id##_stv).tv_sec; \
40	fprintf (stderr, "%s: %s: %d: elapsed %ld usec\n", #id, __FILE__, __LINE__, \
41	tv.tv_sec * 1000000 + tv.tv_usec - (timing_test_##id##_stv).tv_usec); \
42	} while (0)
43
44	#else
45	#define TIMING_TEST_START(id) do {} while (0)
46	#define TIMING_TEST_PRINT_RESULT(id) do {} while (0)
47	#endif	31	#endif
48		32
49	/*	33	#ifndef FilterConvolution
50	* Pixmap geometry string interpretation :	34	#define FilterConvolution "convolution"
51	* Each geometry string contains zero or one scale/position	35	#endif
52	* adjustment and may optionally be followed by a colon and one or more	36
53	* colon-delimited pixmap operations.	37	#ifndef RepeatPad
54	* The following table shows the valid geometry strings and their	38	#define RepeatPad True
55	* affects 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	}
		58	# endif
		59
		60	void
		61	rxvt_term::bg_destroy ()
		62	{
		63	#ifdef HAVE_PIXBUF
		64	if (pixbuf)
		65	g_object_unref (pixbuf);
100	#endif	66	#endif
101	#ifdef BG_IMAGE_FROM_FILE
102	h_scale = v_scale = 0;
103	h_align = v_align = 0;
104	#endif
105	flags = 0;
106	pixmap = None;
107	valid_since = invalid_since = 0;
108	target = 0;
109	}
110		67
111	void	68	if (bg_pixmap)
112	bgPixmap_t::destroy ()
113	{
114	#ifdef HAVE_AFTERIMAGE
115	if (original_asim)
116	safe_asimage_destroy (original_asim);
117	#endif
118
119	if (pixmap && target)
120	XFreePixmap (target->dpy, pixmap);	69	XFreePixmap (dpy, bg_pixmap);
121	}	70	}
122		71
123	bool	72	bool
124	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 ()
125	{	88	{
126	# ifdef ENABLE_TRANSPARENCY	89	# ifdef ENABLE_TRANSPARENCY
127	if (flags & isTransparent)	90	if (bg_flags & BG_IS_TRANSPARENT)
128	return true;	91	return true;
129	# endif	92	# endif
130		93
131	# ifdef BG_IMAGE_FROM_FILE	94	# ifdef BG_IMAGE_FROM_FILE
132	# ifdef HAVE_AFTERIMAGE	95	if (bg_flags & BG_IS_FROM_FILE)
133	if (original_asim)
134	# endif
135	{	96	{
136	if (h_scale != 0 || v_scale != 0	97	if (bg_flags & BG_IS_SIZE_SENSITIVE)
137	|| h_align != 0 || v_align != 0)
138	return true;	98	return true;
139	}	99	}
140	# endif	100	# endif
141		101
142	return false;	102	return false;
143	}	103	}
144		104
145	bool	105	bool
146	bgPixmap_t::window_position_sensitive ()	106	rxvt_term::bg_window_position_sensitive ()
147	{	107	{
148	# ifdef ENABLE_TRANSPARENCY	108	# ifdef ENABLE_TRANSPARENCY
149	if (flags & isTransparent)	109	if (bg_flags & BG_IS_TRANSPARENT)
150	return true;	110	return true;
151	# endif	111	# endif
152		112
153	# ifdef BG_IMAGE_FROM_FILE	113	# ifdef BG_IMAGE_FROM_FILE
154	# ifdef HAVE_AFTERIMAGE	114	if (bg_flags & BG_IS_FROM_FILE)
155	if (original_asim)
156	# endif
157	{	115	{
158	if (h_align == rootAlign || v_align == rootAlign)	116	if (bg_flags & BG_ROOT_ALIGN)
159	return true;	117	return true;
160	}	118	}
161	# endif	119	# endif
162		120
163	return false;	121	return false;
164	};
165
166	bool bgPixmap_t::need_client_side_rendering ()
167	{
168	# ifdef HAVE_AFTERIMAGE
169	if (original_asim)
170	return true;
171	# endif
172	# ifdef ENABLE_TRANSPARENCY
173	if (flags & isTransparent)
174	{
175	# ifdef HAVE_AFTERIMAGE // can't blur without libAI anyways
176	if ((flags & blurNeeded) && !(flags & blurServerSide))
177	return true;
178	# endif
179	if ((flags & tintNeeded) && !(flags & tintServerSide))
180	return true;
181	}
182	# endif
183	return false;
184	}	122	}
185		123
186	# ifdef BG_IMAGE_FROM_FILE	124	# ifdef BG_IMAGE_FROM_FILE
187	static inline bool
188	check_set_scale_value (int geom_flags, int flag, unsigned int &scale, unsigned int new_value)
189	{
190	if (geom_flags & flag)
191	{
192	if (new_value > 1000)
193	new_value = 1000;
194	if (new_value != scale)
195	{
196	scale = new_value;
197	return true;
198	}
199	}
200	return false;
201	}
202
203	static inline bool
204	check_set_align_value (int geom_flags, int flag, int &align, int new_value)
205	{
206	if (geom_flags & flag)
207	{
208	if (new_value != bgPixmap_t::rootAlign)
209	{
210	if (new_value < -100)
211	new_value = -100;
212	else if (new_value > 200)
213	new_value = 200;
214	}
215	if (new_value != align)
216	{
217	align = new_value;
218	return true;
219	}
220	}
221	return false;
222	}
223
224	static inline int	125	static inline int
225	make_align_position (int align, int window_size, int image_size)	126	make_align_position (int align, int window_size, int image_size)
226	{	127	{
227	int diff = window_size - image_size;
228	int smaller = MIN (image_size,window_size);
229
230	if (align >= 0 && align <= 50)	128	if (align >= 0 && align <= 100)
231	return diff * align / 100;	129	return lerp (0, window_size - image_size, align);
232	else if (align > 50 && align <= 100)
233	return window_size - image_size - diff * (100 - align) / 100;
234	else if (align > 100 && align <= 200 )
235	return ((align - 100) * smaller / 100) + window_size - smaller;
236	else if (align > -100 && align < 0)	130	else if (align > 100)
237	return ((align + 100) * smaller / 100) - image_size;	131	return lerp (window_size - image_size, window_size, align - 100);
238	return 0;	132	else
		133	return lerp (-image_size, 0, align + 100);
239	}	134	}
240		135
241	static inline int	136	static inline int
242	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)
243	{	138	{
244	int src_pos = 0;	139	int src_pos = 0;
245	dst_pos = 0;	140	dst_pos = pos;
246	dst_size = size;	141	dst_size = size;
247	if (pos < 0 && size > target_size)	142	if (pos < 0)
248	{	143	{
249	src_pos = -pos;	144	src_pos = -pos;
		145	dst_pos = 0;
250	dst_size += pos;	146	dst_size += pos;
251	}	147	}
252	else if (pos > 0)
253	dst_pos = pos;
254		148
255	if (dst_pos + dst_size > target_size)
256	dst_size = target_size - dst_pos;	149	min_it (dst_size, target_size - dst_pos);
257	return src_pos;	150	return src_pos;
258	}	151	}
259		152
260	bool	153	bool
261	bgPixmap_t::set_geometry (const char *geom)	154	rxvt_term::bg_set_geometry (const char *geom, bool update)
262	{	155	{
		156	bool changed = false;
263	int geom_flags = 0, changed = 0;	157	int geom_flags = 0;
264	int x = 0, y = 0;	158	int x = h_align;
		159	int y = v_align;
265	unsigned int w = 0, h = 0;	160	unsigned int w = h_scale;
266	unsigned int n;	161	unsigned int h = v_scale;
267	unsigned long new_flags = (flags & (~geometryFlags));	162	unsigned long new_flags = 0;
268	const char *p;
269	# define MAXLEN_GEOM 256 /* could be longer than regular geometry string */
270		163
271	if (geom == NULL)	164	if (geom == NULL)
272	return false;	165	return false;
273		166
274	char str[MAXLEN_GEOM];	167	if (geom[0])
275
276	while (isspace(*geom)) ++geom;
277	if ((p = strchr (geom, ';')) == NULL)
278	p = strchr (geom, '\0');
279
280	n = (p - geom);
281	if (n < MAXLEN_GEOM)
282	{	168	{
283	char *ops;	169	char **arr = rxvt_strsplit (':', geom);
284	new_flags |= geometrySet;
285		170
286	memcpy (str, geom, n);	171	for (int i = 0; arr[i]; i++)
287	str[n] = '\0';
288	if (str[0] == ':')
289	ops = &str[0];
290	else if (str[0] != 'x' && str[0] != 'X' && isalpha(str[0]))
291	ops = &str[0];
292	else
293	{
294	char *tmp;
295	ops = strchr (str, ':');
296	if (ops != NULL)
297	{	172	{
298	for (tmp = ops-1; tmp >= str && isspace(*tmp); --tmp);	173	if (!strcasecmp (arr[i], "style=tiled"))
299	*(++tmp) = '\0';
300	if (ops == tmp) ++ops;
301	}	174	{
		175	new_flags = BG_TILE;
		176	w = h = noScale;
		177	x = y = 0;
		178	geom_flags = WidthValue|HeightValue|XValue|YValue;
		179	}
		180	else if (!strcasecmp (arr[i], "style=aspect-stretched"))
		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;
		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;
		218	geom_flags |= WidthValue|HeightValue;
		219	}
		220	else if (!strcasecmp (arr[i], "propscale"))
		221	{
		222	new_flags |= BG_KEEP_ASPECT;
		223	w = h = windowScale;
		224	geom_flags |= WidthValue|HeightValue;
		225	}
		226	else if (!strcasecmp (arr[i], "hscale"))
		227	{
		228	new_flags |= BG_TILE;
		229	w = windowScale;
		230	h = noScale;
		231	geom_flags |= WidthValue|HeightValue;
		232	}
		233	else if (!strcasecmp (arr[i], "vscale"))
		234	{
		235	new_flags |= BG_TILE;
		236	h = windowScale;
		237	w = noScale;
		238	geom_flags |= WidthValue|HeightValue;
		239	}
		240	else if (!strcasecmp (arr[i], "scale"))
		241	{
		242	w = h = windowScale;
		243	geom_flags |= WidthValue|HeightValue;
		244	}
		245	else if (!strcasecmp (arr[i], "auto"))
		246	{
		247	w = h = windowScale;
		248	x = y = centerAlign;
		249	geom_flags |= WidthValue|HeightValue|XValue|YValue;
		250	}
		251	else if (!strcasecmp (arr[i], "root"))
		252	{
		253	new_flags |= BG_TILE|BG_ROOT_ALIGN;
		254	w = h = noScale;
		255	geom_flags |= WidthValue|HeightValue;
		256	}
		257
		258	else
		259	geom_flags |= XParseGeometry (arr[i], &x, &y, &w, &h);
		260	} /* done parsing ops */
		261
		262	rxvt_free_strsplit (arr);
		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	{
		293	bg_flags = new_flags;
		294	h_scale = w;
		295	v_scale = h;
		296	h_align = x;
		297	v_align = y;
		298	changed = true;
		299	}
		300
		301	return changed;
		302	}
		303
		304	void
		305	rxvt_term::get_image_geometry (int image_width, int image_height, int &w, int &h, int &x, int &y)
		306	{
		307	int target_width = szHint.width;
		308	int target_height = szHint.height;
		309
		310	w = h_scale * target_width / 100;
		311	h = v_scale * target_height / 100;
		312
		313	if (bg_flags & BG_KEEP_ASPECT)
		314	{
		315	float scale = (float)w / image_width;
		316	min_it (scale, (float)h / image_height);
		317	w = image_width * scale + 0.5;
		318	h = image_height * scale + 0.5;
		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	}
		329	else
		330	{
		331	x = make_align_position (h_align, target_width, w);
		332	y = make_align_position (v_align, target_height, h);
		333	}
		334
		335	if (!(bg_flags & BG_TILE)
		336	|| h_scale || v_scale
		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;
		340	else
		341	bg_flags &= ~BG_IS_SIZE_SENSITIVE;
		342	}
		343
		344	# ifdef HAVE_PIXBUF
		345	bool
		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)
		349	{
		350	XImage *ximage;
		351	char *data, *line;
		352	int bytes_per_pixel;
		353	int width_r, width_g, width_b, width_a;
		354	int sh_r, sh_g, sh_b, sh_a;
		355	uint32_t alpha_mask;
		356	int rowstride;
		357	int channels;
		358	unsigned char *row;
		359
		360	if (visual->c_class != TrueColor)
		361	return false;
		362
		363	#if XRENDER
		364	XRenderPictFormat *format = XRenderFindVisualFormat (dpy, visual);
		365	if (format)
		366	alpha_mask = (uint32_t)format->direct.alphaMask << format->direct.alpha;
		367	else
		368	#endif
		369	alpha_mask = 0;
		370
		371	if (depth == 24 || depth == 32)
		372	bytes_per_pixel = 4;
		373	else if (depth == 15 || depth == 16)
		374	bytes_per_pixel = 2;
		375	else
		376	return false;
		377
		378	width_r = ecb_popcount32 (visual->red_mask);
		379	width_g = ecb_popcount32 (visual->green_mask);
		380	width_b = ecb_popcount32 (visual->blue_mask);
		381	width_a = ecb_popcount32 (alpha_mask);
		382
		383	if (width_r > 8 || width_g > 8 || width_b > 8 || width_a > 8)
		384	return false;
		385
		386	sh_r = ecb_ctz32 (visual->red_mask);
		387	sh_g = ecb_ctz32 (visual->green_mask);
		388	sh_b = ecb_ctz32 (visual->blue_mask);
		389	sh_a = ecb_ctz32 (alpha_mask);
		390
		391	if (width > INT_MAX / height / bytes_per_pixel)
		392	return false;
		393
		394	data = (char *)malloc (width * height * bytes_per_pixel);
		395	if (!data)
		396	return false;
		397
		398	ximage = XCreateImage (dpy, visual, depth, ZPixmap, 0, data,
		399	width, height, bytes_per_pixel * 8, 0);
		400	if (!ximage)
		401	{
		402	free (data);
		403	return false;
		404	}
		405
		406	ximage->byte_order = ecb_big_endian () ? MSBFirst : LSBFirst;
		407
		408	rowstride = gdk_pixbuf_get_rowstride (pixbuf);
		409	channels = gdk_pixbuf_get_n_channels (pixbuf);
		410	row = gdk_pixbuf_get_pixels (pixbuf) + src_y * rowstride + src_x * channels;
		411	line = data;
		412
		413	rgba c (0, 0, 0);
		414
		415	if (channels == 4 && alpha_mask == 0)
		416	{
		417	pix_colors[Color_bg].get (c);
		418	c.r >>= 8;
		419	c.g >>= 8;
		420	c.b >>= 8;
		421	}
		422
		423	for (int y = 0; y < height; y++)
		424	{
		425	for (int x = 0; x < width; x++)
		426	{
		427	unsigned char *pixel = row + x * channels;
		428	uint32_t value;
		429	unsigned char r, g, b, a;
		430
		431	if (channels == 4)
		432	{
		433	a = pixel[3];
		434	r = (pixel[0] * a + c.r * (0xff - a)) / 0xff;
		435	g = (pixel[1] * a + c.g * (0xff - a)) / 0xff;
		436	b = (pixel[2] * a + c.b * (0xff - a)) / 0xff;
		437	}
		438	else
		439	{
		440	a = 0xff;
		441	r = pixel[0];
		442	g = pixel[1];
		443	b = pixel[2];
		444	}
		445
		446	value = ((r >> (8 - width_r)) << sh_r)
		447	| ((g >> (8 - width_g)) << sh_g)
		448	| ((b >> (8 - width_b)) << sh_b)
		449	| ((a >> (8 - width_a)) << sh_a);
		450
		451	if (bytes_per_pixel == 4)
		452	((uint32_t *)line)[x] = value;
		453	else
		454	((uint16_t *)line)[x] = value;
302	}	455	}
303		456
304	if (ops > str || ops == NULL)	457	row += rowstride;
305	{	458	line += ximage->bytes_per_line;
306	/* we have geometry string - let's handle it prior to applying ops */
307	geom_flags = XParseGeometry (str, &x, &y, &w, &h);
308
309	if ((geom_flags & XValue) && !(geom_flags & YValue))
310	{
311	y = x;
312	geom_flags |= YValue;
313	}
314
315	if (flags & geometrySet)
316	{
317	/* new geometry is an adjustment to the old one ! */
318	if ((geom_flags & WidthValue) && (geom_flags & HeightValue))
319	{
320	if (w == 0 && h != 0)
321	{
322	w = h_scale;
323	h = (v_scale * h) / 100;
324	}
325	else if (h == 0 && w != 0)
326	{
327	w = (h_scale * w) / 100;
328	h = v_scale;
329	}
330	}
331	if (geom_flags & XValue)
332	{
333	if (str[0] != '=')
334	{
335	y += v_align;
336	x += h_align;
337	}
338	}
339	}
340	else /* setting up geometry from scratch */
341	{
342	if (!(geom_flags & XValue))
343	{
344	/* use default geometry - centered */
345	x = y = defaultAlign;
346	}
347	else if (!(geom_flags & YValue))
348	y = x;
349
350	if ((geom_flags & (WidthValue|HeightValue)) == 0)
351	{
352	/* use default geometry - scaled */
353	w = h = defaultScale;
354	}
355	else if (geom_flags & WidthValue)
356	{
357	if (!(geom_flags & HeightValue))
358	h = w;
359	}
360	else
361	w = h;
362	}
363	} /* done parsing geometry string */
364	else if (!(flags & geometrySet))
365	{
366	/* default geometry - scaled and centered */
367	x = y = defaultAlign;
368	w = h = defaultScale;
369	}
370
371	if (!(flags & geometrySet))
372	geom_flags |= WidthValue|HeightValue|XValue|YValue;
373
374	if (ops)
375	{
376	while (*ops)
377	{
378	while (*ops == ':' || isspace(*ops)) ++ops;
379
380	# define CHECK_GEOM_OPS(op_str) (strncasecmp (ops, (op_str), sizeof (op_str) - 1) == 0)
381	if (CHECK_GEOM_OPS ("tile"))
382	{
383	w = h = noScale;
384	geom_flags |= WidthValue|HeightValue;
385	}
386	else if (CHECK_GEOM_OPS ("propscale"))
387	{
388	if (w == 0 && h == 0)
389	{
390	w = windowScale;
391	geom_flags |= WidthValue;
392	}
393	new_flags |= propScale;
394	}
395	else if (CHECK_GEOM_OPS ("hscale"))
396	{
397	if (w == 0) w = windowScale;
398
399	h = noScale;
400	geom_flags |= WidthValue|HeightValue;
401	}
402	else if (CHECK_GEOM_OPS ("vscale"))
403	{
404	if (h == 0) h = windowScale;
405
406	w = noScale;
407	geom_flags |= WidthValue|HeightValue;
408	}
409	else if (CHECK_GEOM_OPS ("scale"))
410	{
411	if (h == 0) h = windowScale;
412	if (w == 0) w = windowScale;
413
414	geom_flags |= WidthValue|HeightValue;
415	}
416	else if (CHECK_GEOM_OPS ("auto"))
417	{
418	w = h = windowScale;
419	x = y = centerAlign;
420	geom_flags |= WidthValue|HeightValue|XValue|YValue;
421	}
422	else if (CHECK_GEOM_OPS ("root"))
423	{
424	w = h = noScale;
425	x = y = rootAlign;
426	geom_flags |= WidthValue|HeightValue|XValue|YValue;
427	}
428	# undef CHECK_GEOM_OPS
429
430	while (*ops != ':' && *ops != '\0') ++ops;
431	} /* done parsing ops */
432	}
433
434	if (check_set_scale_value (geom_flags, WidthValue, h_scale, w)) ++changed;
435	if (check_set_scale_value (geom_flags, HeightValue, v_scale, h)) ++changed;
436	if (check_set_align_value (geom_flags, XValue, h_align, x)) ++changed;
437	if (check_set_align_value (geom_flags, YValue, v_align, y)) ++changed;
438	}
439
440	if (new_flags != flags)
441	{	459	}
442	flags = new_flags;
443	changed++;
444	}
445		460
446	//fprintf (stderr, "flags = %lX, scale = %ux%u, align=%+d%+d\n",	461	XPutImage (dpy, pixmap, gc, ximage, 0, 0, dst_x, dst_y, width, height);
447	// flags, h_scale, v_scale, h_align, v_align);	462	XDestroyImage (ximage);
448	return (changed > 0);	463	return true;
449	}	464	}
450		465
451	# ifdef HAVE_AFTERIMAGE
452	bool	466	bool
453	bgPixmap_t::render_asim (ASImage *background, ARGB32 background_tint)	467	rxvt_term::render_image (bool transparent)
454	{	468	{
455	if (target == NULL)	469	if (!pixbuf)
456	return false;	470	return false;
457		471
458	target->init_asv ();	472	if (transparent
		473	&& !(bg_flags & BG_HAS_RENDER))
		474	return false;
459		475
460	ASImage *result = 0;	476	GdkPixbuf *result;
461		477
		478	int image_width = gdk_pixbuf_get_width (pixbuf);
		479	int image_height = gdk_pixbuf_get_height (pixbuf);
		480
462	int target_width = target->szHint.width;	481	int target_width = szHint.width;
463	int target_height = target->szHint.height;	482	int target_height = szHint.height;
464	int new_pmap_width = target_width;	483	int new_pmap_width = target_width;
465	int new_pmap_height = target_height;	484	int new_pmap_height = target_height;
466		485
467	int x = 0;	486	int x = 0;
468	int y = 0;	487	int y = 0;
469	int w = h_scale * target_width / 100;	488	int w = 0;
470	int h = v_scale * target_height / 100;	489	int h = 0;
471		490
472	TIMING_TEST_START (asim);	491	get_image_geometry (image_width, image_height, w, h, x, y);
473		492
474	if (original_asim)	493	if (!(bg_flags & BG_ROOT_ALIGN)
		494	&& (x >= target_width
		495	|| y >= target_height
		496	|| x + w <= 0
		497	|| y + h <= 0))
		498	return false;
		499
		500	result = pixbuf;
		501
		502	if (w != image_width
		503	|| h != image_height)
		504	{
		505	result = gdk_pixbuf_scale_simple (pixbuf,
		506	w, h,
		507	GDK_INTERP_BILINEAR);
475	{	508	}
476	if (h_align == rootAlign || v_align == rootAlign)	509
		510	if (!result)
		511	return false;
		512
		513	bool ret = false;
		514
		515	XGCValues gcv;
		516	GC gc;
		517	Pixmap root_pmap;
		518
		519	image_width = gdk_pixbuf_get_width (result);
		520	image_height = gdk_pixbuf_get_height (result);
		521
		522	if (transparent)
		523	{
		524	root_pmap = bg_pixmap;
		525	bg_pixmap = None;
		526	}
		527	else
		528	{
		529	if (bg_flags & BG_TILE)
477	{	530	{
478	target->get_window_origin(x, y);	531	new_pmap_width = min (image_width, target_width);
479	x = -x;	532	new_pmap_height = min (image_height, target_height);
480	y = -y;
481	}	533	}
482
483	if (h_align != rootAlign)
484	x = make_align_position (h_align, target_width, w > 0 ? w : (int)original_asim->width);
485
486	if (v_align != rootAlign)
487	y = make_align_position (v_align, target_height, h > 0 ? h : (int)original_asim->height);
488	}
489
490	if (!original_asim
491	|| x >= target_width
492	|| y >= target_height
493	|| (w > 0 && x + w <= 0)
494	|| (h > 0 && y + h <= 0))
495	{	534	}
496	if (background)
497	{
498	new_pmap_width = background->width;
499	new_pmap_height = background->height;
500	result = background;
501		535
502	if (background_tint != TINT_LEAVE_SAME)	536	if (bg_pixmap == None
		537	|| bg_pmap_width != new_pmap_width
		538	|| bg_pmap_height != new_pmap_height)
		539	{
		540	if (bg_pixmap)
		541	XFreePixmap (dpy, bg_pixmap);
		542	bg_pixmap = XCreatePixmap (dpy, vt, new_pmap_width, new_pmap_height, depth);
		543	bg_pmap_width = new_pmap_width;
		544	bg_pmap_height = new_pmap_height;
		545	}
		546
		547	gcv.foreground = pix_colors[Color_bg];
		548	gc = XCreateGC (dpy, vt, GCForeground, &gcv);
		549
		550	if (gc)
		551	{
		552	if (bg_flags & BG_TILE)
503	{	553	{
504	ASImage *tmp = tile_asimage (target->asv, background, 0, 0,	554	Pixmap tile = XCreatePixmap (dpy, vt, image_width, image_height, depth);
505	target_width, target_height, background_tint,	555	pixbuf_to_pixmap (result, tile, gc,
506	ASA_XImage, 100, ASIMAGE_QUALITY_DEFAULT);	556	0, 0,
507	if (tmp)	557	0, 0,
508	result = tmp;	558	image_width, image_height);
509	}	559
		560	gcv.tile = tile;
		561	gcv.fill_style = FillTiled;
		562	gcv.ts_x_origin = x;
		563	gcv.ts_y_origin = y;
		564	XChangeGC (dpy, gc, GCFillStyle | GCTile | GCTileStipXOrigin | GCTileStipYOrigin, &gcv);
		565
		566	XFillRectangle (dpy, bg_pixmap, gc, 0, 0, new_pmap_width, new_pmap_height);
		567	XFreePixmap (dpy, tile);
510	}	568	}
511	else	569	else
512	new_pmap_width = new_pmap_height = 0;
513	}
514	else
515	{
516	result = original_asim;
517
518	if ((w > 0 && w != original_asim->width)
519	|| (h > 0 && h != original_asim->height))
520	{
521	result = scale_asimage (target->asv, original_asim,
522	w > 0 ? w : original_asim->width,
523	h > 0 ? h : original_asim->height,
524	background ? ASA_ASImage : ASA_XImage,
525	100, ASIMAGE_QUALITY_DEFAULT);
526	}	570	{
527
528	if (background == NULL)
529	{
530	/* if tiling - pixmap has to be sized exactly as the image,
531	but there is no need to make it bigger than the window! */
532	if (h_scale == 0)
533	new_pmap_width = min (result->width, target_width);
534	if (v_scale == 0)
535	new_pmap_height = min (result->height, target_height);
536	/* we also need to tile our image in one or both directions */
537	if (h_scale == 0 || v_scale == 0)
538	{
539	ASImage *tmp = tile_asimage (target->asv, result,
540	(h_scale > 0) ? 0 : (int)result->width - x,
541	(v_scale > 0) ? 0 : (int)result->height - y,
542	new_pmap_width,
543	new_pmap_height,
544	TINT_LEAVE_SAME, ASA_XImage,
545	100, ASIMAGE_QUALITY_DEFAULT);
546	if (tmp)
547	{
548	if (result != original_asim)
549	destroy_asimage (&result);
550
551	result = tmp;
552	}
553	}
554	}
555	else
556	{
557	/* if blending background and image - pixmap has to be sized same as target window */
558	ASImageLayer *layers = create_image_layers (2);
559	ASImage *merged_im = NULL;
560
561	layers[0].im = background;
562	layers[0].clip_width = target_width;
563	layers[0].clip_height = target_height;
564	layers[0].tint = background_tint;
565	layers[1].im = result;
566
567	if (w <= 0)
568	{
569	/* tile horizontally */
570	while (x > 0) x -= (int)result->width;
571	layers[1].dst_x = x;
572	layers[1].clip_width = result->width+target_width;
573	}
574	else
575	{
576	/* clip horizontally */
577	layers[1].dst_x = x;
578	layers[1].clip_width = result->width;
579	}
580
581	if (h <= 0)
582	{
583	while (y > 0) y -= (int)result->height;
584	layers[1].dst_y = y;
585	layers[1].clip_height = result->height + target_height;
586	}
587	else
588	{
589	layers[1].dst_y = y;
590	layers[1].clip_height = result->height;
591	}
592
593	if (target->rs[Rs_blendtype])
594	{
595	layers[1].merge_scanlines = blend_scanlines_name2func (target->rs[Rs_blendtype]);
596	if (layers[1].merge_scanlines == NULL)
597	layers[1].merge_scanlines = alphablend_scanlines;
598	}
599
600	ASImage *tmp = merge_layers (target->asv, layers, 2, target_width, target_height,
601	ASA_XImage, 0, ASIMAGE_QUALITY_DEFAULT);
602
603	if (tmp)
604	{
605	if (result != original_asim)
606	destroy_asimage (&result);
607
608	result = tmp;
609	}
610
611	free (layers);
612	}
613	}
614	TIMING_TEST_PRINT_RESULT (asim);
615
616	if (pixmap)
617	{
618	if (result == NULL
619	|| pmap_width != new_pmap_width
620	|| pmap_height != new_pmap_height
621	|| pmap_depth != target->depth)
622	{
623	XFreePixmap (target->dpy, pixmap);
624	pixmap = None;
625	}
626	}
627
628	if (result)
629	{
630	XGCValues gcv;
631	GC gc;
632
633	/* create Pixmap */
634	if (pixmap == None)
635	{
636	pixmap = XCreatePixmap (target->dpy, target->vt, new_pmap_width, new_pmap_height, target->depth);
637	pmap_width = new_pmap_width;
638	pmap_height = new_pmap_height;
639	pmap_depth = target->depth;
640	}
641	/* fill with background color ( if result's not completely overlapping it)*/
642	gcv.foreground = target->pix_colors[Color_bg];
643	gc = XCreateGC (target->dpy, target->vt, GCForeground, &gcv);
644
645	int src_x = 0, src_y = 0, dst_x = 0, dst_y = 0;	571	int src_x, src_y, dst_x, dst_y;
646	int dst_width = result->width, dst_height = result->height;	572	int dst_width, dst_height;
647	if (background == NULL)	573
648	{
649	if (h_scale > 0) src_x = make_clip_rectangle (x, result->width , new_pmap_width , dst_x, dst_width );	574	src_x = make_clip_rectangle (x, image_width , new_pmap_width , dst_x, dst_width );
650	if (v_scale > 0) src_y = make_clip_rectangle (y, result->height, new_pmap_height, dst_y, dst_height);	575	src_y = make_clip_rectangle (y, image_height, new_pmap_height, dst_y, dst_height);
651		576
652	if (dst_x > 0 || dst_y > 0	577	if (dst_x > 0 || dst_y > 0
653	|| dst_x + dst_width < new_pmap_width	578	|| dst_x + dst_width < new_pmap_width
654	|| dst_y + dst_height < new_pmap_height)	579	|| dst_y + dst_height < new_pmap_height)
655	XFillRectangle (target->dpy, pixmap, gc, 0, 0, new_pmap_width, new_pmap_height);	580	XFillRectangle (dpy, bg_pixmap, gc, 0, 0, new_pmap_width, new_pmap_height);
		581
		582	if (dst_x < new_pmap_width && dst_y < new_pmap_height)
		583	pixbuf_to_pixmap (result, bg_pixmap, gc,
		584	src_x, src_y,
		585	dst_x, dst_y,
		586	dst_width, dst_height);
656	}	587	}
657		588
658	/* put result on pixmap */	589	#if XRENDER
659	if (dst_x < new_pmap_width && dst_y < new_pmap_height)	590	if (transparent)
660	asimage2drawable (target->asv, pixmap, result, gc, src_x, src_y, dst_x, dst_y, dst_width, dst_height, True);
661
662	if (result != background && result != original_asim)
663	destroy_asimage (&result);
664
665	XFreeGC (target->dpy, gc);
666	TIMING_TEST_PRINT_RESULT (asim);
667	}
668
669	return true;
670	}
671	# endif /* HAVE_AFTERIMAGE */
672
673	bool
674	bgPixmap_t::set_file (const char *file)
675	{
676	assert (file);
677
678	if (*file)
679	{
680	# ifdef HAVE_AFTERIMAGE
681	if (!target->asimman)
682	target->asimman = create_generic_imageman (target->rs[Rs_path]);
683
684	if (const char *p = strchr (file, ';'))
685	{	591	{
686	size_t len = p - file;	592	XRenderPictFormat *format = XRenderFindVisualFormat (dpy, visual);
687	char *f = (char *)malloc (len + 1);	593
688	memcpy (f, file, len);	594	Picture src = XRenderCreatePicture (dpy, root_pmap, format, 0, 0);
689	f[len] = '\0';	595
690	original_asim = get_asimage (target->asimman, f, 0xFFFFFFFF, 100);	596	Picture dst = XRenderCreatePicture (dpy, bg_pixmap, format, 0, 0);
691	free (f);	597
		598	Picture mask = create_xrender_mask (dpy, vt, False, False);
		599
		600	XRenderColor mask_c;
		601
		602	mask_c.alpha = 0x8000;
		603	mask_c.red =
		604	mask_c.green =
		605	mask_c.blue = 0;
		606	XRenderFillRectangle (dpy, PictOpSrc, mask, &mask_c, 0, 0, 1, 1);
		607
		608	XRenderComposite (dpy, PictOpOver, src, mask, dst, 0, 0, 0, 0, 0, 0, target_width, target_height);
		609
		610	XRenderFreePicture (dpy, src);
		611	XRenderFreePicture (dpy, dst);
		612	XRenderFreePicture (dpy, mask);
692	}	613	}
		614	#endif
		615
		616	XFreeGC (dpy, gc);
		617
		618	ret = true;
		619	}
		620
		621	if (result != pixbuf)
		622	g_object_unref (result);
		623
		624	if (transparent)
		625	XFreePixmap (dpy, root_pmap);
		626
		627	return ret;
		628	}
		629	# endif /* HAVE_PIXBUF */
		630
		631	bool
		632	rxvt_term::bg_set_file (const char *file)
		633	{
		634	if (!file || !*file)
		635	return false;
		636
		637	bool ret = false;
		638	const char *p = strchr (file, ';');
		639
		640	if (p)
		641	{
		642	size_t len = p - file;
		643	char *f = rxvt_temp_buf<char> (len + 1);
		644	memcpy (f, file, len);
		645	f[len] = '\0';
		646	file = f;
		647	}
		648
		649	# ifdef HAVE_PIXBUF
		650	GdkPixbuf *image = gdk_pixbuf_new_from_file (file, NULL);
		651	if (image)
		652	{
		653	if (pixbuf)
		654	g_object_unref (pixbuf);
		655	pixbuf = image;
		656	bg_flags |= BG_IS_FROM_FILE;
		657	ret = true;
		658	}
		659	# endif
		660
		661	if (ret)
		662	{
		663	if (p)
		664	bg_set_geometry (p + 1);
693	else	665	else
694	original_asim = get_asimage (target->asimman, file, 0xFFFFFFFF, 100);	666	bg_set_default_geometry ();
		667	}
695		668
696	return original_asim;	669	return ret;
697	# endif	670	}
		671
		672	# endif /* BG_IMAGE_FROM_FILE */
		673
		674	# ifdef ENABLE_TRANSPARENCY
		675	bool
		676	rxvt_term::bg_set_transparent ()
		677	{
		678	if (!(bg_flags & BG_IS_TRANSPARENT))
		679	{
		680	bg_flags |= BG_IS_TRANSPARENT;
		681	return true;
698	}	682	}
699		683
700	return false;	684	return false;
701	}	685	}
702		686
703	# endif /* BG_IMAGE_FROM_FILE */
704
705	# ifdef ENABLE_TRANSPARENCY
706	bool	687	bool
707	bgPixmap_t::set_transparent ()	688	rxvt_term::bg_set_blur (const char *geom)
708	{	689	{
709	if (!(flags & isTransparent))	690	bool changed = false;
710	{
711	flags |= isTransparent;
712	return true;
713	}
714
715	return false;
716	}
717
718	bool
719	bgPixmap_t::set_blur_radius (const char *geom)
720	{
721	int changed = 0;
722	unsigned int hr, vr;	691	unsigned int hr, vr;
723	int junk;	692	int junk;
724	int geom_flags = XParseGeometry (geom, &junk, &junk, &hr, &vr);	693	int geom_flags = XParseGeometry (geom, &junk, &junk, &hr, &vr);
725		694
726	if (!(geom_flags&WidthValue))	695	if (!(geom_flags & WidthValue))
727	hr = 1;	696	hr = 1;
728	if (!(geom_flags&HeightValue))	697	if (!(geom_flags & HeightValue))
729	vr = hr;	698	vr = hr;
730		699
		700	min_it (hr, 128);
		701	min_it (vr, 128);
		702
731	if (h_blurRadius != hr)	703	if (h_blurRadius != hr)
732	{	704	{
733	++changed;	705	changed = true;
734	h_blurRadius = hr;	706	h_blurRadius = hr;
735	}	707	}
736		708
737	if (v_blurRadius != vr)	709	if (v_blurRadius != vr)
738	{	710	{
739	++changed;	711	changed = true;
740	v_blurRadius = vr;	712	v_blurRadius = vr;
741	}	713	}
742		714
743	if (v_blurRadius == 0 && h_blurRadius == 0)	715	if (h_blurRadius && v_blurRadius)
744	flags &= ~blurNeeded;	716	bg_flags |= BG_NEEDS_BLUR;
745	else	717	else
746	flags |= blurNeeded;	718	bg_flags &= ~BG_NEEDS_BLUR;
747		719
748	return (changed>0);	720	return changed;
749	}	721	}
750		722
751	static inline unsigned long	723	void
752	compute_tint_shade_flags (rxvt_color *tint, int shade)	724	rxvt_term::set_tint_shade_flags ()
753	{	725	{
754	unsigned long flags = 0;	726	if (shade != 100 || (bg_flags & BG_TINT_SET))
755	rgba c (rgba::MAX_CC,rgba::MAX_CC,rgba::MAX_CC);	727	bg_flags |= BG_NEEDS_TINT;
756	bool has_shade = (shade > 0 && shade < 100) || (shade > 100 && shade < 200);	728	else
		729	bg_flags &= ~BG_NEEDS_TINT;
		730	}
757		731
758	if (tint)	732	bool
		733	rxvt_term::bg_set_tint (rxvt_color &new_tint)
		734	{
		735	if (!(bg_flags & BG_TINT_SET) || tint != new_tint)
759	{	736	{
		737	tint = new_tint;
		738	bg_flags |= BG_TINT_SET;
		739
		740	rgba c;
760	tint->get (c);	741	tint.get (c);
761	# define IS_COMPONENT_WHOLESOME(cmp) ((cmp) <= 0x000700 || (cmp) >= 0x00f700)	742	if ((c.r <= 0x00ff || c.r >= 0xff00)
762	if (!has_shade && IS_COMPONENT_WHOLESOME (c.r)	743	&& (c.g <= 0x00ff || c.g >= 0xff00)
763	&& IS_COMPONENT_WHOLESOME (c.g)	744	&& (c.b <= 0x00ff || c.b >= 0xff00))
764	&& IS_COMPONENT_WHOLESOME (c.b))	745	bg_flags |= BG_TINT_BITAND;
765	flags |= bgPixmap_t::tintWholesome;
766	# undef IS_COMPONENT_WHOLESOME
767	}
768
769	if (has_shade)
770	flags |= bgPixmap_t::tintNeeded;
771	else if (tint)
772	{
773	if ((c.r > 0x000700 || c.g > 0x000700 || c.b > 0x000700)
774	&& (c.r < 0x00f700 || c.g < 0x00f700 || c.b < 0x00f700))
775	{
776	flags |= bgPixmap_t::tintNeeded;
777	}
778	}
779
780	if (flags & bgPixmap_t::tintNeeded)
781	{
782	if (flags & bgPixmap_t::tintWholesome)
783	flags |= bgPixmap_t::tintServerSide;
784	else	746	else
785	{	747	bg_flags &= ~BG_TINT_BITAND;
786	#if XFT	748
787	flags |= bgPixmap_t::tintServerSide;	749	set_tint_shade_flags ();
		750	return true;
		751	}
		752
		753	return false;
		754	}
		755
		756	bool
		757	rxvt_term::bg_set_shade (const char *shade_str)
		758	{
		759	int new_shade = atoi (shade_str);
		760
		761	clamp_it (new_shade, -100, 200);
		762	if (new_shade < 0)
		763	new_shade = 200 - (100 + new_shade);
		764
		765	if (new_shade != shade)
		766	{
		767	shade = new_shade;
		768	set_tint_shade_flags ();
		769	return true;
		770	}
		771
		772	return false;
		773	}
		774
		775	#if XRENDER
		776	static void
		777	get_gaussian_kernel (int radius, int width, double *kernel, XFixed *params)
		778	{
		779	double sigma = radius / 2.0;
		780	double scale = sqrt (2.0 * M_PI) * sigma;
		781	double sum = 0.0;
		782
		783	for (int i = 0; i < width; i++)
		784	{
		785	double x = i - width / 2;
		786	kernel[i] = exp (-(x * x) / (2.0 * sigma * sigma)) / scale;
		787	sum += kernel[i];
		788	}
		789
		790	params[0] = XDoubleToFixed (width);
		791	params[1] = XDoubleToFixed (1);
		792
		793	for (int i = 0; i < width; i++)
		794	params[i+2] = XDoubleToFixed (kernel[i] / sum);
		795	}
788	#endif	796	#endif
		797
		798	bool
		799	rxvt_term::blur_pixmap (Pixmap pixmap, Visual *visual, int width, int height, int depth)
		800	{
		801	bool ret = false;
		802	#if XRENDER
		803	if (!(bg_flags & BG_HAS_RENDER_CONV))
		804	return false;
		805
		806	int size = max (h_blurRadius, v_blurRadius) * 2 + 1;
		807	double *kernel = (double *)malloc (size * sizeof (double));
		808	XFixed *params = (XFixed *)malloc ((size + 2) * sizeof (XFixed));
		809
		810	XRenderPictureAttributes pa;
		811	XRenderPictFormat *format = XRenderFindVisualFormat (dpy, visual);
		812
		813	pa.repeat = RepeatPad;
		814	Picture src = XRenderCreatePicture (dpy, pixmap, format, CPRepeat, &pa);
		815	Pixmap tmp = XCreatePixmap (dpy, pixmap, width, height, depth);
		816	Picture dst = XRenderCreatePicture (dpy, tmp, format, CPRepeat, &pa);
		817	XFreePixmap (dpy, tmp);
		818
		819	if (kernel && params)
		820	{
		821	size = h_blurRadius * 2 + 1;
		822	get_gaussian_kernel (h_blurRadius, size, kernel, params);
		823
		824	XRenderSetPictureFilter (dpy, src, FilterConvolution, params, size+2);
		825	XRenderComposite (dpy,
		826	PictOpSrc,
		827	src,
		828	None,
		829	dst,
		830	0, 0,
		831	0, 0,
		832	0, 0,
		833	width, height);
		834
		835	::swap (src, dst);
		836
		837	size = v_blurRadius * 2 + 1;
		838	get_gaussian_kernel (v_blurRadius, size, kernel, params);
		839	::swap (params[0], params[1]);
		840
		841	XRenderSetPictureFilter (dpy, src, FilterConvolution, params, size+2);
		842	XRenderComposite (dpy,
		843	PictOpSrc,
		844	src,
		845	None,
		846	dst,
		847	0, 0,
		848	0, 0,
		849	0, 0,
		850	width, height);
		851
		852	ret = true;
		853	}
		854
		855	free (kernel);
		856	free (params);
		857	XRenderFreePicture (dpy, src);
		858	XRenderFreePicture (dpy, dst);
		859	#endif
		860	return ret;
		861	}
		862
		863	bool
		864	rxvt_term::tint_pixmap (Pixmap pixmap, Visual *visual, int width, int height)
		865	{
		866	bool ret = false;
		867
		868	if (shade == 100 && (bg_flags & BG_TINT_BITAND))
		869	{
		870	XGCValues gcv;
		871	GC gc;
		872
		873	/* In this case we can tint image server-side getting significant
		874	* performance improvements, as we eliminate XImage transfer
		875	*/
		876	gcv.foreground = Pixel (tint);
		877	gcv.function = GXand;
		878	gcv.fill_style = FillSolid;
		879	gc = XCreateGC (dpy, pixmap, GCFillStyle | GCForeground | GCFunction, &gcv);
		880	if (gc)
		881	{
		882	XFillRectangle (dpy, pixmap, gc, 0, 0, width, height);
		883	ret = true;
		884	XFreeGC (dpy, gc);
789	}	885	}
790	}	886	}
791		887	# if XRENDER
792	return flags;	888	else if (bg_flags & BG_HAS_RENDER)
793	}
794
795	bool
796	bgPixmap_t::set_tint (rxvt_color &new_tint)
797	{
798	if (tint != new_tint)
799	{	889	{
800	unsigned long new_flags = compute_tint_shade_flags (&new_tint, shade);	890	rgba c (rgba::MAX_CC, rgba::MAX_CC, rgba::MAX_CC);
801	tint = new_tint;	891
802	flags = (flags & ~tintFlags) | new_flags | tintSet;	892	if (bg_flags & BG_TINT_SET)
		893	tint.get (c);
		894
		895	if (shade <= 100)
		896	{
		897	c.r = c.r * shade / 100;
		898	c.g = c.g * shade / 100;
		899	c.b = c.b * shade / 100;
		900	}
		901	else
		902	{
		903	c.r = c.r * (200 - shade) / 100;
		904	c.g = c.g * (200 - shade) / 100;
		905	c.b = c.b * (200 - shade) / 100;
		906	}
		907
		908	XRenderPictFormat *format = XRenderFindVisualFormat (dpy, visual);
		909
		910	Picture back_pic = XRenderCreatePicture (dpy, pixmap, format, 0, 0);
		911
		912	Picture overlay_pic = create_xrender_mask (dpy, pixmap, True, False);
		913
		914	Picture mask_pic = create_xrender_mask (dpy, pixmap, True, True);
		915
		916	XRenderColor mask_c;
		917
		918	mask_c.alpha = 0xffff;
		919	mask_c.red =
		920	mask_c.green =
		921	mask_c.blue = 0;
		922	XRenderFillRectangle (dpy, PictOpSrc, overlay_pic, &mask_c, 0, 0, 1, 1);
		923
		924	mask_c.alpha = 0;
		925	mask_c.red = 0xffff - c.r;
		926	mask_c.green = 0xffff - c.g;
		927	mask_c.blue = 0xffff - c.b;
		928	XRenderFillRectangle (dpy, PictOpSrc, mask_pic, &mask_c, 0, 0, 1, 1);
		929
		930	XRenderComposite (dpy, PictOpOver, overlay_pic, mask_pic, back_pic, 0, 0, 0, 0, 0, 0, width, height);
		931
		932	if (shade > 100)
		933	{
		934	mask_c.alpha = 0;
		935	mask_c.red =
		936	mask_c.green =
		937	mask_c.blue = 0xffff * (shade - 100) / 100;
		938	XRenderFillRectangle (dpy, PictOpSrc, overlay_pic, &mask_c, 0, 0, 1, 1);
		939
		940	XRenderComposite (dpy, PictOpOver, overlay_pic, None, back_pic, 0, 0, 0, 0, 0, 0, width, height);
		941	}
		942
803	return true;	943	ret = true;
804	}
805		944
806	return false;	945	XRenderFreePicture (dpy, mask_pic);
807	}	946	XRenderFreePicture (dpy, overlay_pic);
808		947	XRenderFreePicture (dpy, back_pic);
809	bool
810	bgPixmap_t::unset_tint ()
811	{
812	unsigned long new_flags = compute_tint_shade_flags (NULL, shade);
813
814	if (new_flags != (flags & tintFlags))
815	{	948	}
816	flags = (flags&~tintFlags)|new_flags;	949	# endif
817	return true;
818	}
819		950
820	return false;	951	return ret;
821	}	952	}
822		953
823	bool	954	/*
824	bgPixmap_t::set_shade (const char *shade_str)	955	* Builds a pixmap of the same size as the terminal window that contains
825	{
826	int new_shade = (shade_str) ? atoi (shade_str) : 0;
827
828	if (new_shade < 0 && new_shade > -100)
829	new_shade = 200 - (100 + new_shade);
830	else if (new_shade == 100)
831	new_shade = 0;
832
833	if (new_shade != shade)
834	{
835	unsigned long new_flags = compute_tint_shade_flags ((flags & tintSet) ? &tint : NULL, new_shade);
836	shade = new_shade;
837	flags = (flags & (~tintFlags | tintSet)) | new_flags;
838	return true;
839	}
840
841	return false;
842	}
843
844	/* make_transparency_pixmap()
845	* Builds a pixmap sized the same as terminal window, with depth same as the root window
846	* that pixmap contains tiled portion of the root pixmap that is supposed to be covered by	956	* the tiled portion of the root pixmap that is supposed to be covered by
847	* our window.	957	* our window.
848	*/	958	*/
849	unsigned long	959	bool
850	bgPixmap_t::make_transparency_pixmap ()	960	rxvt_term::make_transparency_pixmap ()
851	{	961	{
852	unsigned long result = 0;	962	bool ret = false;
853
854	if (target == NULL)
855	return 0;
856		963
857	/* root dimensions may change from call to call - but Display structure should	964	/* root dimensions may change from call to call - but Display structure should
858	* be always up-to-date, so let's use it :	965	* be always up-to-date, so let's use it :
859	*/	966	*/
860	Window root = target->display->root;
861	int screen = target->display->screen;	967	int screen = display->screen;
862	Display *dpy = target->dpy;	968	int root_depth = DefaultDepth (dpy, screen);
863	int root_width = DisplayWidth (dpy, screen);	969	int root_width = DisplayWidth (dpy, screen);
864	int root_height = DisplayHeight (dpy, screen);	970	int root_height = DisplayHeight (dpy, screen);
865	unsigned int root_pmap_width, root_pmap_height;	971	unsigned int root_pmap_width, root_pmap_height;
866	int window_width = target->szHint.width;	972	int window_width = szHint.width;
867	int window_height = target->szHint.height;	973	int window_height = szHint.height;
868	int sx, sy;	974	int sx, sy;
869	XGCValues gcv;	975	XGCValues gcv;
		976	GC gc;
870		977
871	TIMING_TEST_START (tp);	978	sx = target_x;
872	target->get_window_origin (sx, sy);	979	sy = target_y;
873		980
874	/* check if we are outside of the visible part of the virtual screen : */	981	/* check if we are outside of the visible part of the virtual screen : */
875	if (sx + window_width <= 0 || sy + window_height <= 0	982	if (sx + window_width <= 0 || sy + window_height <= 0
876	|| sx >= root_width || sy >= root_height)	983	|| sx >= root_width || sy >= root_height)
877	return 0;	984	return 0;
878		985
		986	// validate root pixmap and get its size
879	if (root_pixmap != None)	987	if (root_pixmap != None)
880	{	988	{
881	/* we want to validate the pixmap and get it's size at the same time : */	989	Window wdummy;
882	int junk;	990	int idummy;
883	unsigned int ujunk;	991	unsigned int udummy;
884	/* root pixmap may be bad - allow a error */	992
885	target->allowedxerror = -1;	993	allowedxerror = -1;
886		994
887	if (!XGetGeometry (dpy, root_pixmap, &root, &junk, &junk, &root_pmap_width, &root_pmap_height, &ujunk, &ujunk))	995	if (!XGetGeometry (dpy, root_pixmap, &wdummy, &idummy, &idummy, &root_pmap_width, &root_pmap_height, &udummy, &udummy))
888	root_pixmap = None;	996	root_pixmap = None;
889		997
890	target->allowedxerror = 0;	998	allowedxerror = 0;
891	}
892
893	Pixmap tiled_root_pmap = XCreatePixmap (dpy, root, window_width, window_height, root_depth);
894	GC gc = NULL;
895
896	if (tiled_root_pmap == None) /* something really bad happened - abort */
897	return 0;
898
899	if (root_pixmap == None)
900	{	999	}
901	/* use tricks to obtain the root background image :*/
902	/* we want to create Overrideredirect window overlapping out window
903	with background type of Parent Relative and then grab it */
904	XSetWindowAttributes attr;
905	Window src;
906	bool success = false;
907		1000
908	attr.background_pixmap = ParentRelative;	1001	Pixmap recoded_root_pmap = root_pixmap;
909	attr.backing_store = Always;
910	attr.event_mask = ExposureMask;
911	attr.override_redirect = True;
912	src = XCreateWindow (dpy, root, sx, sy, window_width, window_height, 0,
913	CopyFromParent, CopyFromParent, CopyFromParent,
914	CWBackPixmap|CWBackingStore|CWOverrideRedirect|CWEventMask,
915	&attr);
916		1002
917	if (src != None)	1003	if (root_pixmap != None && root_depth != depth)
918	{	1004	{
919	XEvent event;	1005	#if XRENDER
920	int ev_count = 0;	1006	if (bg_flags & BG_HAS_RENDER)
921	XGrabServer (dpy);
922	XMapRaised (dpy, src);
923	XSync (dpy, False);
924
925	/* XSync should get window where it's properly exposed,
926	* but to be on the safe side - let's check for the actual event to arrive : */
927	while (XCheckWindowEvent (dpy, src, ExposureMask, &event))
928	++ev_count;
929
930	if (ev_count > 0);
931	{
932	/* hooray! - we can grab the image! */
933	gc = XCreateGC (dpy, root, 0, NULL);
934	if (gc)
935	{
936	XCopyArea (dpy, src, tiled_root_pmap, gc, 0, 0, window_width, window_height, 0, 0);
937	success = true;
938	}
939	}
940
941	XDestroyWindow (dpy, src);
942	XUngrabServer (dpy);
943	//fprintf (stderr, "%s:%d: ev_count = %d\n", __FUNCTION__, __LINE__, ev_count);
944	}
945
946	if (!success)
947	{	1007	{
948	XFreePixmap (dpy, tiled_root_pmap);	1008	recoded_root_pmap = XCreatePixmap (dpy, vt, root_pmap_width, root_pmap_height, depth);
949	tiled_root_pmap = None;
950	}
951	else
952	result |= transpPmapTiled;
953	}
954	else
955	{
956	/* straightforward pixmap copy */
957	gcv.tile = root_pixmap;
958	gcv.fill_style = FillTiled;
959		1009
960	while (sx < 0) sx += (int)root_width;	1010	XRenderPictFormat *src_format = XRenderFindVisualFormat (dpy, DefaultVisual (dpy, screen));
961	while (sy < 0) sy += (int)root_height;	1011	Picture src = XRenderCreatePicture (dpy, root_pixmap, src_format, 0, 0);
962		1012
963	gcv.ts_x_origin = -sx;
964	gcv.ts_y_origin = -sy;
965	gc = XCreateGC (dpy, root, GCFillStyle | GCTile | GCTileStipXOrigin | GCTileStipYOrigin, &gcv);
966
967	if (gc)
968	{
969	XFillRectangle (dpy, tiled_root_pmap, gc, 0, 0, window_width, window_height);
970	result |= transpPmapTiled;
971	}
972	}
973	TIMING_TEST_PRINT_RESULT (tp);
974
975	if (tiled_root_pmap != None)
976	{
977	if (!need_client_side_rendering ())
978	{
979	if ((flags & tintNeeded))
980	{
981	if (flags & tintWholesome)
982	{
983	/* In this case we can tint image server-side getting significant
984	* performance improvements, as we eliminate XImage transfer
985	*/
986	gcv.foreground = Pixel (tint);
987	gcv.function = GXand;
988	gcv.fill_style = FillSolid;
989	if (gc)
990	XChangeGC (dpy, gc, GCFillStyle | GCForeground | GCFunction, &gcv);
991	else
992	gc = XCreateGC (dpy, root, GCFillStyle | GCForeground | GCFunction, &gcv);
993	if (gc)
994	{
995	XFillRectangle (dpy, tiled_root_pmap, gc, 0, 0, window_width, window_height);
996	result |= transpPmapTinted;
997	}
998	}
999	else
1000	{
1001	# if XFT
1002	Picture back_pic = 0;
1003	rgba c (rgba::MAX_CC,rgba::MAX_CC,rgba::MAX_CC);
1004
1005	if (flags & tintSet)
1006	tint.get (c);
1007
1008	if (shade > 0 && shade < 100)
1009	{
1010	c.r = (c.r * shade) / 100;
1011	c.g = (c.g * shade) / 100;
1012	c.b = (c.b * shade) / 100;
1013	}
1014	else if (shade > 100 && shade < 200)
1015	{
1016	c.r = (c.r * (200 - shade)) / 100;
1017	c.g = (c.g * (200 - shade)) / 100;
1018	c.b = (c.b * (200 - shade)) / 100;
1019	}
1020
1021	XRenderPictFormat pf;
1022	pf.type = PictTypeDirect;
1023	pf.depth = 32;
1024	pf.direct.redMask = 0xff;
1025	pf.direct.greenMask = 0xff;
1026	pf.direct.blueMask = 0xff;
1027	pf.direct.alphaMask = 0xff;
1028
1029	XRenderPictFormat *solid_format = XRenderFindFormat (dpy,	1013	XRenderPictFormat *dst_format = XRenderFindVisualFormat (dpy, visual);
1030	(PictFormatType|
1031	PictFormatDepth|
1032	PictFormatRedMask|
1033	PictFormatGreenMask|
1034	PictFormatBlueMask|
1035	PictFormatAlphaMask),
1036	&pf,
1037	0);
1038	XRenderPictFormat *root_format = XRenderFindVisualFormat (dpy, DefaultVisualOfScreen (ScreenOfDisplay (dpy, target->display->screen)));
1039	XRenderPictureAttributes pa ;
1040
1041	back_pic = XRenderCreatePicture (dpy, tiled_root_pmap, root_format, 0, &pa);	1014	Picture dst = XRenderCreatePicture (dpy, recoded_root_pmap, dst_format, 0, 0);
1042		1015
1043	pa.repeat = True;	1016	XRenderComposite (dpy, PictOpSrc, src, None, dst, 0, 0, 0, 0, 0, 0, root_pmap_width, root_pmap_height);
1044		1017
1045	Pixmap overlay_pmap = XCreatePixmap (dpy, root, 1, 1, 32);
1046	Picture overlay_pic = XRenderCreatePicture (dpy, overlay_pmap, solid_format, CPRepeat, &pa);
1047	XFreePixmap (dpy, overlay_pmap);
1048
1049	pa.component_alpha = True;
1050	Pixmap mask_pmap = XCreatePixmap (dpy, root, 1, 1, 32);
1051	Picture mask_pic = XRenderCreatePicture (dpy, mask_pmap, solid_format, CPRepeat|CPComponentAlpha, &pa);
1052	XFreePixmap (dpy, mask_pmap);
1053
1054	if (mask_pic && overlay_pic && back_pic)
1055	{
1056	XRenderColor mask_c;
1057
1058	memset (&mask_c, (shade > 100) ? 0xFF : 0x0, sizeof (mask_c));
1059	mask_c.alpha = 0xffff;
1060	XRenderFillRectangle (dpy, PictOpSrc, overlay_pic, &mask_c, 0, 0, 1, 1);
1061
1062	mask_c.alpha = 0;
1063	mask_c.red = 0xffff - c.r;
1064	mask_c.green = 0xffff - c.g;
1065	mask_c.blue = 0xffff - c.b;
1066	XRenderFillRectangle (dpy, PictOpSrc, mask_pic, &mask_c, 0, 0, 1, 1);
1067	XRenderComposite (dpy, PictOpOver, overlay_pic, mask_pic, back_pic, 0, 0, 0, 0, 0, 0, window_width, window_height);
1068	result |= transpPmapTinted;
1069	}
1070
1071	XRenderFreePicture (dpy, mask_pic);	1018	XRenderFreePicture (dpy, src);
1072	XRenderFreePicture (dpy, overlay_pic);
1073	XRenderFreePicture (dpy, back_pic);	1019	XRenderFreePicture (dpy, dst);
1074	# if DO_TIMING_TEST
1075	XSync (dpy, False);
1076	# endif
1077	# endif
1078	}
1079	}
1080	} /* server side rendering completed */
1081
1082	if (pixmap)
1083	XFreePixmap (dpy, pixmap);
1084
1085	pixmap = tiled_root_pmap;
1086	pmap_width = window_width;
1087	pmap_height = window_height;
1088	pmap_depth = root_depth;
1089	}
1090
1091	if (gc)
1092	XFreeGC (dpy, gc);
1093
1094	TIMING_TEST_PRINT_RESULT (tp);
1095
1096	return result;
1097	}
1098
1099	bool
1100	bgPixmap_t::set_root_pixmap ()
1101	{
1102	Pixmap new_root_pixmap = target->get_pixmap_property (XA_XROOTPMAP_ID);
1103	if (new_root_pixmap == None)
1104	new_root_pixmap = target->get_pixmap_property (XA_ESETROOT_PMAP_ID);
1105
1106	if (new_root_pixmap != root_pixmap)
1107	{
1108	root_pixmap = new_root_pixmap;
1109	return true;
1110	}
1111
1112	return false;
1113	}
1114	# endif /* ENABLE_TRANSPARENCY */
1115
1116	# ifndef HAVE_AFTERIMAGE
1117	static void ShadeXImage(rxvt_term *term, XImage *srcImage, int shade, int rm, int gm, int bm);
1118	# endif
1119
1120	bool
1121	bgPixmap_t::render ()
1122	{
1123	unsigned long background_flags = 0;
1124
1125	if (target == NULL)
1126	return false;
1127
1128	TIMING_TEST_START (tp);
1129
1130	invalidate ();
1131	# ifdef ENABLE_TRANSPARENCY
1132	if (flags & isTransparent)
1133	{
1134	/* we need to re-generate transparency pixmap in that case ! */
1135	background_flags = make_transparency_pixmap ();
1136	if (background_flags == 0)
1137	return false;
1138	else if ((background_flags & transpTransformations) == (flags & transpTransformations)
1139	&& pmap_depth == target->depth)
1140	flags = flags & ~isInvalid;
1141	}
1142	# endif
1143
1144	XImage *result = NULL;
1145	# ifdef HAVE_AFTERIMAGE
1146	if (original_asim
1147	|| (background_flags & transpTransformations) != (flags & transpTransformations))
1148	{
1149	target->init_asv ();
1150
1151	ASImage *background = NULL;
1152	ARGB32 as_tint = TINT_LEAVE_SAME;
1153	if (background_flags)
1154	background = pixmap2ximage (target->asv, pixmap, 0, 0, pmap_width, pmap_height, AllPlanes, 100);
1155
1156	# ifdef ENABLE_TRANSPARENCY
1157	if (!(background_flags & transpPmapTinted) && (flags & tintNeeded))
1158	{
1159	ShadingInfo as_shade;
1160	as_shade.shading = (shade == 0) ? 100 : shade;
1161
1162	rgba c (rgba::MAX_CC,rgba::MAX_CC,rgba::MAX_CC);
1163	if (flags & tintSet)
1164	tint.get (c);
1165	as_shade.tintColor.red = c.r;
1166	as_shade.tintColor.green = c.g;
1167	as_shade.tintColor.blue = c.b;
1168
1169	as_tint = shading2tint32 (&as_shade);
1170	}
1171
1172	if (!(background_flags & transpPmapBlured) && (flags & blurNeeded) && background != NULL)
1173	{
1174	ASImage *tmp = blur_asimage_gauss (target->asv, background, h_blurRadius, v_blurRadius, 0xFFFFFFFF,
1175	(original_asim == NULL || tint == TINT_LEAVE_SAME)?ASA_XImage:ASA_ASImage,
1176	100, ASIMAGE_QUALITY_DEFAULT);
1177	if (tmp)
1178	{
1179	destroy_asimage (&background);
1180	background = tmp;
1181	}
1182	}
1183	# endif
1184
1185	if (render_asim (background, as_tint))
1186	flags = flags & ~isInvalid;
1187	if (background)
1188	destroy_asimage (&background);
1189	}
1190	else if (background_flags && pmap_depth != target->depth)
1191	result = XGetImage (target->dpy, pixmap, 0, 0, pmap_width, pmap_height, AllPlanes, ZPixmap);
1192
1193	# elif !XFT /* our own client-side tinting */
1194
1195	/* ATTENTION: We ASSUME that XFT will let us do all the tinting necessary server-side.
1196	This may need to be changed in need_client_side_rendering() logic is altered !!! */
1197
1198	if (background_flags && (flags & isInvalid))
1199	{
1200	result = XGetImage (target->dpy, pixmap, 0, 0, pmap_width, pmap_height, AllPlanes, ZPixmap);
1201
1202	if (result != NULL && !(background_flags & transpPmapTinted) && (flags & tintNeeded))
1203	{
1204	rgba c (rgba::MAX_CC,rgba::MAX_CC,rgba::MAX_CC);
1205	if (flags & tintSet)
1206	tint.get (c);
1207	ShadeXImage (target, result, shade, c.r, c.g, c.b);
1208	}
1209	}
1210	# endif /* HAVE_AFTERIMAGE */
1211
1212	if (result)
1213	{
1214	GC gc = XCreateGC (target->dpy, target->vt, 0UL, NULL);
1215
1216	if (gc)
1217	{
1218	if (/*pmap_depth != target->depth &&*/ pixmap != None)
1219	{
1220	XFreePixmap (target->dpy, pixmap);
1221	pixmap = None;
1222	}
1223
1224	if (pixmap == None)
1225	{
1226	pixmap = XCreatePixmap (target->dpy, target->vt, result->width, result->height, target->depth);
1227	pmap_width = result->width;
1228	pmap_height = result->height;
1229	pmap_depth = target->depth;
1230	}
1231
1232	if (pmap_depth != result->depth)
1233	{
1234	/* Bad Match error will ensue ! stupid X !!!! */
1235	if (result->depth == 24 && pmap_depth == 32)
1236	result->depth = 32;
1237	else if (result->depth == 32 && pmap_depth == 24)
1238	result->depth = 24;
1239	else
1240	{
1241	/* TODO: implement image recoding */
1242	}
1243	}
1244
1245	if (pmap_depth == result->depth)
1246	XPutImage (target->dpy, pixmap, gc, result, 0, 0, 0, 0, result->width, result->height);
1247
1248	XFreeGC (target->dpy, gc);
1249	flags = flags & ~isInvalid;
1250	}
1251
1252	XDestroyImage (result);
1253	}
1254
1255	if (flags & isInvalid)
1256	{
1257	if (pixmap != None)
1258	{
1259	XFreePixmap (target->dpy, pixmap);
1260	pixmap = None;
1261	}
1262	}
1263
1264	apply ();
1265
1266	XSync (target->dpy, False);
1267	valid_since = ev::now ();
1268
1269	TIMING_TEST_PRINT_RESULT (tp);
1270
1271	return true;
1272	}
1273
1274	bool
1275	bgPixmap_t::set_target (rxvt_term *new_target)
1276	{
1277	if (new_target)
1278	if (target != new_target)
1279	{
1280	target = new_target;
1281	# ifdef ENABLE_TRANSPARENCY
1282	root_depth = DefaultDepthOfScreen (ScreenOfDisplay (target->dpy, target->display->screen));
1283	# endif
1284	return true;
1285	}
1286
1287	return false;
1288	}
1289
1290	void
1291	bgPixmap_t::apply ()
1292	{
1293	if (target)
1294	{
1295	flags &= ~isVtOrigin;
1296
1297	if (pixmap != None)
1298	{
1299	/* set target's background to pixmap */
1300	# ifdef ENABLE_TRANSPARENCY
1301	if (flags & isTransparent)
1302	{
1303	XSetWindowBackgroundPixmap (target->dpy, target->parent[0], pixmap);
1304	XSetWindowBackgroundPixmap (target->dpy, target->vt, ParentRelative);
1305
1306	if (target->scrollBar.win)
1307	XSetWindowBackgroundPixmap (target->dpy, target->scrollBar.win, ParentRelative);
1308	}
1309	else
1310	# endif
1311	{
1312	flags |= isVtOrigin;
1313	/* force old pixmap dereference in case it was transparent before :*/
1314	XSetWindowBackground (target->dpy, target->parent[0], target->pix_colors[Color_border]);
1315	XSetWindowBackgroundPixmap (target->dpy, target->vt, pixmap);
1316	/* do we also need to set scrollbar's background here ? */
1317
1318	if (target->scrollBar.win)
1319	XSetWindowBackground (target->dpy, target->scrollBar.win, target->pix_colors[Color_border]);
1320	}
1321	}	1020	}
1322	else	1021	else
		1022	#endif
		1023	recoded_root_pmap = None;
		1024	}
		1025
		1026	if (recoded_root_pmap == None)
		1027	return 0;
		1028
		1029	if (bg_pixmap == None
		1030	|| bg_pmap_width != window_width
		1031	|| bg_pmap_height != window_height)
		1032	{
		1033	if (bg_pixmap)
		1034	XFreePixmap (dpy, bg_pixmap);
		1035	bg_pixmap = XCreatePixmap (dpy, vt, window_width, window_height, depth);
		1036	bg_pmap_width = window_width;
		1037	bg_pmap_height = window_height;
		1038	}
		1039
		1040	/* straightforward pixmap copy */
		1041	while (sx < 0) sx += root_pmap_width;
		1042	while (sy < 0) sy += root_pmap_height;
		1043
		1044	gcv.tile = recoded_root_pmap;
		1045	gcv.fill_style = FillTiled;
		1046	gcv.ts_x_origin = -sx;
		1047	gcv.ts_y_origin = -sy;
		1048	gc = XCreateGC (dpy, vt, GCFillStyle | GCTile | GCTileStipXOrigin | GCTileStipYOrigin, &gcv);
		1049
		1050	if (gc)
		1051	{
		1052	XFillRectangle (dpy, bg_pixmap, gc, 0, 0, window_width, window_height);
		1053	ret = true;
		1054	unsigned long tr_flags = bg_flags & BG_EFFECTS_FLAGS;
		1055
		1056	if (!(bg_flags & BG_CLIENT_RENDER))
		1057	{
		1058	if (bg_flags & BG_NEEDS_BLUR)
1323	{	1059	{
1324	/* set target background to a pixel */	1060	if (blur_pixmap (bg_pixmap, visual, window_width, window_height, depth))
1325	XSetWindowBackground (target->dpy, target->parent[0], target->pix_colors[Color_border]);	1061	tr_flags &= ~BG_NEEDS_BLUR;
1326	XSetWindowBackground (target->dpy, target->vt, target->pix_colors[Color_bg]);	1062	}
1327	/* do we also need to set scrollbar's background here ? */	1063	if (bg_flags & BG_NEEDS_TINT)
1328	if (target->scrollBar.win)	1064	{
1329	XSetWindowBackground (target->dpy, target->scrollBar.win, target->pix_colors[Color_border]);	1065	if (tint_pixmap (bg_pixmap, visual, window_width, window_height))
		1066	tr_flags &= ~BG_NEEDS_TINT;
		1067	}
		1068	if (tr_flags & BG_NEEDS_TINT)
		1069	{
		1070	XImage *ximage = XGetImage (dpy, bg_pixmap, 0, 0, bg_pmap_width, bg_pmap_height, AllPlanes, ZPixmap);
		1071	if (ximage)
		1072	{
		1073	/* our own client-side tinting */
		1074	tint_ximage (DefaultVisual (dpy, display->screen), ximage);
		1075
		1076	XPutImage (dpy, bg_pixmap, gc, ximage, 0, 0, 0, 0, ximage->width, ximage->height);
		1077	XDestroyImage (ximage);
		1078	}
		1079	}
		1080	} /* server side rendering completed */
		1081
		1082	XFreeGC (dpy, gc);
		1083	}
		1084
		1085	if (recoded_root_pmap != root_pixmap)
		1086	XFreePixmap (dpy, recoded_root_pmap);
		1087
		1088	return ret;
		1089	}
		1090
		1091	void
		1092	rxvt_term::bg_set_root_pixmap ()
		1093	{
		1094	Pixmap new_root_pixmap = get_pixmap_property (xa[XA_XROOTPMAP_ID]);
		1095	if (new_root_pixmap == None)
		1096	new_root_pixmap = get_pixmap_property (xa[XA_ESETROOT_PMAP_ID]);
		1097
		1098	root_pixmap = new_root_pixmap;
		1099	}
		1100	# endif /* ENABLE_TRANSPARENCY */
		1101
		1102	bool
		1103	rxvt_term::bg_render ()
		1104	{
		1105	bool transparent = false;
		1106
		1107	bg_invalidate ();
		1108	# ifdef ENABLE_TRANSPARENCY
		1109	if (bg_flags & BG_IS_TRANSPARENT)
		1110	{
		1111	/* we need to re-generate transparency pixmap in that case ! */
		1112	transparent = make_transparency_pixmap ();
		1113	if (transparent)
		1114	bg_flags |= BG_IS_VALID;
		1115	}
		1116	# endif
		1117
		1118	# ifdef BG_IMAGE_FROM_FILE
		1119	if (bg_flags & BG_IS_FROM_FILE)
		1120	{
		1121	if (render_image (transparent))
		1122	bg_flags |= BG_IS_VALID;
		1123	}
		1124	# endif
		1125
		1126	if (!(bg_flags & BG_IS_VALID))
		1127	{
		1128	if (bg_pixmap != None)
		1129	{
		1130	XFreePixmap (dpy, bg_pixmap);
		1131	bg_pixmap = None;
1330	}	1132	}
		1133	}
1331		1134
1332	/* don't want Expose on the parent or vt. It is better to use	1135	scr_recolour (false);
1333	scr_touch or we get a great deal of flicker otherwise: */	1136	bg_flags |= BG_NEEDS_REFRESH;
1334	XClearWindow (target->dpy, target->parent[0]);
1335		1137
1336	if (target->scrollBar.state && target->scrollBar.win)	1138	bg_valid_since = ev::now ();
1337	{
1338	target->scrollBar.state = STATE_IDLE;
1339	target->scrollBar.show (0);
1340	}
1341		1139
1342	target->want_refresh = 1;	1140	return true;
1343	flags |= hasChanged;	1141	}
		1142
		1143	void
		1144	rxvt_term::bg_init ()
		1145	{
		1146	#ifdef ENABLE_TRANSPARENCY
		1147	shade = 100;
		1148	#endif
		1149
		1150	bg_flags &= ~(BG_HAS_RENDER | BG_HAS_RENDER_CONV);
		1151	#if XRENDER
		1152	int major, minor;
		1153	if (XRenderQueryVersion (dpy, &major, &minor))
		1154	bg_flags |= BG_HAS_RENDER;
		1155	XFilters *filters = XRenderQueryFilters (dpy, vt);
		1156	if (filters)
1344	}	1157	{
		1158	for (int i = 0; i < filters->nfilter; i++)
		1159	if (!strcmp (filters->filter[i], FilterConvolution))
		1160	bg_flags |= BG_HAS_RENDER_CONV;
		1161
		1162	XFree (filters);
		1163	}
		1164	#endif
1345	}	1165	}
1346		1166
1347	#endif /* HAVE_BG_PIXMAP */	1167	#endif /* HAVE_BG_PIXMAP */
1348		1168
1349	#if defined(ENABLE_TRANSPARENCY) && !defined(HAVE_AFTERIMAGE) && !XFT	1169	#ifdef ENABLE_TRANSPARENCY
1350	/* taken from aterm-0.4.2 */	1170	/* based on code from aterm-0.4.2 */
1351		1171
1352	typedef uint32_t RUINT32T;
1353
1354	static void	1172	static inline void
1355	ShadeXImage(rxvt_term *term, XImage *srcImage, int shade, int rm, int gm, int bm)	1173	fill_lut (uint32_t *lookup, uint32_t mask, int sh, unsigned short low, unsigned short high)
1356	{	1174	{
		1175	for (int i = 0; i <= mask >> sh; i++)
		1176	{
		1177	uint32_t tmp;
		1178	tmp = i * high;
		1179	tmp += (mask >> sh) * low;
		1180	lookup[i] = (tmp / 0xffff) << sh;
		1181	}
		1182	}
		1183
		1184	void
		1185	rxvt_term::tint_ximage (Visual *visual, XImage *ximage)
		1186	{
		1187	unsigned int size_r, size_g, size_b;
1357	int sh_r, sh_g, sh_b;	1188	int sh_r, sh_g, sh_b;
1358	RUINT32T mask_r, mask_g, mask_b;	1189	uint32_t mask_r, mask_g, mask_b;
1359	RUINT32T *lookup, *lookup_r, *lookup_g, *lookup_b;	1190	uint32_t *lookup, *lookup_r, *lookup_g, *lookup_b;
1360	unsigned int lower_lim_r, lower_lim_g, lower_lim_b;	1191	unsigned short low;
1361	unsigned int upper_lim_r, upper_lim_g, upper_lim_b;	1192	int host_byte_order = ecb_big_endian () ? MSBFirst : LSBFirst;
1362	int i;
1363		1193
1364	Visual *visual = term->visual;
1365
1366	if (visual->c_class != TrueColor || srcImage->format != ZPixmap) return ;	1194	if (visual->c_class != TrueColor || ximage->format != ZPixmap) return;
1367
1368	if (shade == 0)
1369	shade = 100;
1370		1195
1371	/* for convenience */	1196	/* for convenience */
1372	mask_r = visual->red_mask;	1197	mask_r = visual->red_mask;
1373	mask_g = visual->green_mask;	1198	mask_g = visual->green_mask;
1374	mask_b = visual->blue_mask;	1199	mask_b = visual->blue_mask;
1375		1200
1376	/* boring lookup table pre-initialization */	1201	/* boring lookup table pre-initialization */
1377	switch (srcImage->bits_per_pixel) {	1202	sh_r = ecb_ctz32 (mask_r);
1378	case 15:	1203	sh_g = ecb_ctz32 (mask_g);
1379	if ((mask_r != 0x7c00) ||	1204	sh_b = ecb_ctz32 (mask_b);
1380	(mask_g != 0x03e0) ||	1205
1381	(mask_b != 0x001f))	1206	size_r = mask_r >> sh_r;
		1207	size_g = mask_g >> sh_g;
		1208	size_b = mask_b >> sh_b;
		1209
		1210	if (size_r++ > 255 || size_g++ > 255 || size_b++ > 255)
1382	return;	1211	return;
1383	lookup = (RUINT32T *) malloc (sizeof (RUINT32T)*(32+32+32));	1212
		1213	lookup = (uint32_t *)malloc (sizeof (uint32_t) * (size_r + size_g + size_b));
1384	lookup_r = lookup;	1214	lookup_r = lookup;
1385	lookup_g = lookup+32;	1215	lookup_g = lookup + size_r;
1386	lookup_b = lookup+32+32;	1216	lookup_b = lookup + size_r + size_g;
1387	sh_r = 10;	1217
1388	sh_g = 5;	1218	rgba c (rgba::MAX_CC, rgba::MAX_CC, rgba::MAX_CC);
1389	sh_b = 0;	1219
1390	break;	1220	if (bg_flags & BG_TINT_SET)
1391	case 16:	1221	tint.get (c);
1392	if ((mask_r != 0xf800) ||
1393	(mask_g != 0x07e0) ||
1394	(mask_b != 0x001f))
1395	return;
1396	lookup = (RUINT32T *) malloc (sizeof (RUINT32T)*(32+64+32));
1397	lookup_r = lookup;
1398	lookup_g = lookup+32;
1399	lookup_b = lookup+32+64;
1400	sh_r = 11;
1401	sh_g = 5;
1402	sh_b = 0;
1403	break;
1404	case 24:
1405	if ((mask_r != 0xff0000) ||
1406	(mask_g != 0x00ff00) ||
1407	(mask_b != 0x0000ff))
1408	return;
1409	lookup = (RUINT32T *) malloc (sizeof (RUINT32T)*(256+256+256));
1410	lookup_r = lookup;
1411	lookup_g = lookup+256;
1412	lookup_b = lookup+256+256;
1413	sh_r = 16;
1414	sh_g = 8;
1415	sh_b = 0;
1416	break;
1417	case 32:
1418	if ((mask_r != 0xff0000) ||
1419	(mask_g != 0x00ff00) ||
1420	(mask_b != 0x0000ff))
1421	return;
1422	lookup = (RUINT32T *) malloc (sizeof (RUINT32T)*(256+256+256));
1423	lookup_r = lookup;
1424	lookup_g = lookup+256;
1425	lookup_b = lookup+256+256;
1426	sh_r = 16;
1427	sh_g = 8;
1428	sh_b = 0;
1429	break;
1430	default:
1431	return; /* we do not support this color depth */
1432	}
1433		1222
1434	/* prepare limits for color transformation (each channel is handled separately) */	1223	/* prepare limits for color transformation (each channel is handled separately) */
1435	if (shade < 0) {	1224	if (shade > 100)
1436	shade = -shade;
1437	if (shade < 0) shade = 0;
1438	if (shade > 100) shade = 100;
1439
1440	lower_lim_r = 65535-rm;
1441	lower_lim_g = 65535-gm;
1442	lower_lim_b = 65535-bm;
1443
1444	lower_lim_r = 65535-(unsigned int)(((RUINT32T)lower_lim_r)*((RUINT32T)shade)/100);
1445	lower_lim_g = 65535-(unsigned int)(((RUINT32T)lower_lim_g)*((RUINT32T)shade)/100);
1446	lower_lim_b = 65535-(unsigned int)(((RUINT32T)lower_lim_b)*((RUINT32T)shade)/100);
1447
1448	upper_lim_r = upper_lim_g = upper_lim_b = 65535;
1449	} else {
1450	if (shade < 0) shade = 0;
1451	if (shade > 100) shade = 100;
1452
1453	lower_lim_r = lower_lim_g = lower_lim_b = 0;
1454
1455	upper_lim_r = (unsigned int)((((RUINT32T)rm)*((RUINT32T)shade))/100);
1456	upper_lim_g = (unsigned int)((((RUINT32T)gm)*((RUINT32T)shade))/100);
1457	upper_lim_b = (unsigned int)((((RUINT32T)bm)*((RUINT32T)shade))/100);
1458	}
1459
1460	/* switch red and blue bytes if necessary, we need it for some weird XServers like XFree86 3.3.3.1 */
1461	if ((srcImage->bits_per_pixel == 24) && (mask_r >= 0xFF0000 ))
1462	{	1225	{
1463	unsigned int tmp;	1226	c.r = c.r * (200 - shade) / 100;
		1227	c.g = c.g * (200 - shade) / 100;
		1228	c.b = c.b * (200 - shade) / 100;
1464		1229
1465	tmp = lower_lim_r;	1230	low = 0xffff * (shade - 100) / 100;
1466	lower_lim_r = lower_lim_b;
1467	lower_lim_b = tmp;
1468
1469	tmp = upper_lim_r;
1470	upper_lim_r = upper_lim_b;
1471	upper_lim_b = tmp;
1472	}	1231	}
		1232	else
		1233	{
		1234	c.r = c.r * shade / 100;
		1235	c.g = c.g * shade / 100;
		1236	c.b = c.b * shade / 100;
		1237
		1238	low = 0;
		1239	}
1473		1240
1474	/* fill our lookup tables */	1241	/* fill our lookup tables */
1475	for (i = 0; i <= mask_r>>sh_r; i++)	1242	fill_lut (lookup_r, mask_r, sh_r, low, c.r);
1476	{	1243	fill_lut (lookup_g, mask_g, sh_g, low, c.g);
1477	RUINT32T tmp;	1244	fill_lut (lookup_b, mask_b, sh_b, low, c.b);
1478	tmp = ((RUINT32T)i)*((RUINT32T)(upper_lim_r-lower_lim_r));
1479	tmp += ((RUINT32T)(mask_r>>sh_r))*((RUINT32T)lower_lim_r);
1480	lookup_r[i] = (tmp/65535)<<sh_r;
1481	}
1482	for (i = 0; i <= mask_g>>sh_g; i++)
1483	{
1484	RUINT32T tmp;
1485	tmp = ((RUINT32T)i)*((RUINT32T)(upper_lim_g-lower_lim_g));
1486	tmp += ((RUINT32T)(mask_g>>sh_g))*((RUINT32T)lower_lim_g);
1487	lookup_g[i] = (tmp/65535)<<sh_g;
1488	}
1489	for (i = 0; i <= mask_b>>sh_b; i++)
1490	{
1491	RUINT32T tmp;
1492	tmp = ((RUINT32T)i)*((RUINT32T)(upper_lim_b-lower_lim_b));
1493	tmp += ((RUINT32T)(mask_b>>sh_b))*((RUINT32T)lower_lim_b);
1494	lookup_b[i] = (tmp/65535)<<sh_b;
1495	}
1496		1245
1497	/* apply table to input image (replacing colors by newly calculated ones) */	1246	/* apply table to input image (replacing colors by newly calculated ones) */
1498	switch (srcImage->bits_per_pixel)	1247	if (ximage->bits_per_pixel == 32
		1248	&& ximage->byte_order == host_byte_order)
1499	{	1249	{
1500	case 15:	1250	char *line = ximage->data;
1501	{	1251
1502	unsigned short *p1, *pf, *p, *pl;	1252	for (int y = 0; y < ximage->height; y++)
1503	p1 = (unsigned short *) srcImage->data;
1504	pf = (unsigned short *) (srcImage->data + srcImage->height * srcImage->bytes_per_line);
1505	while (p1 < pf)
1506	{	1253	{
1507	p = p1;	1254	uint32_t *p = (uint32_t *)line;
1508	pl = p1 + srcImage->width;	1255	for (int x = 0; x < ximage->width; x++)
1509	for (; p < pl; p++)
1510	{	1256	{
1511	*p = lookup_r[(*p & 0x7c00)>>10] |	1257	*p = lookup_r[(*p & mask_r) >> sh_r] |
1512	lookup_g[(*p & 0x03e0)>> 5] |	1258	lookup_g[(*p & mask_g) >> sh_g] |
1513	lookup_b[(*p & 0x001f)];	1259	lookup_b[(*p & mask_b) >> sh_b];
		1260	p++;
		1261	}
		1262	line += ximage->bytes_per_line;
1514	}	1263	}
1515	p1 = (unsigned short *) ((char *) p1 + srcImage->bytes_per_line);
1516	}	1264	}
1517	break;	1265	else
1518	}
1519	case 16:
1520	{
1521	unsigned short *p1, *pf, *p, *pl;
1522	p1 = (unsigned short *) srcImage->data;
1523	pf = (unsigned short *) (srcImage->data + srcImage->height * srcImage->bytes_per_line);
1524	while (p1 < pf)
1525	{	1266	{
1526	p = p1;	1267	for (int y = 0; y < ximage->height; y++)
1527	pl = p1 + srcImage->width;	1268	for (int x = 0; x < ximage->width; x++)
1528	for (; p < pl; p++)
1529	{	1269	{
1530	*p = lookup_r[(*p & 0xf800)>>11] |	1270	unsigned long pixel = XGetPixel (ximage, x, y);
1531	lookup_g[(*p & 0x07e0)>> 5] |	1271	pixel = lookup_r[(pixel & mask_r) >> sh_r] |
1532	lookup_b[(*p & 0x001f)];	1272	lookup_g[(pixel & mask_g) >> sh_g] |
		1273	lookup_b[(pixel & mask_b) >> sh_b];
		1274	XPutPixel (ximage, x, y, pixel);
1533	}	1275	}
1534	p1 = (unsigned short *) ((char *) p1 + srcImage->bytes_per_line);
1535	}	1276	}
1536	break;
1537	}
1538	case 24:
1539	{
1540	unsigned char *p1, *pf, *p, *pl;
1541	p1 = (unsigned char *) srcImage->data;
1542	pf = (unsigned char *) (srcImage->data + srcImage->height * srcImage->bytes_per_line);
1543	while (p1 < pf)
1544	{
1545	p = p1;
1546	pl = p1 + srcImage->width * 3;
1547	for (; p < pl; p += 3)
1548	{
1549	p[0] = lookup_r[(p[0] & 0xff0000)>>16];
1550	p[1] = lookup_r[(p[1] & 0x00ff00)>> 8];
1551	p[2] = lookup_r[(p[2] & 0x0000ff)];
1552	}
1553	p1 = (unsigned char *) ((char *) p1 + srcImage->bytes_per_line);
1554	}
1555	break;
1556	}
1557	case 32:
1558	{
1559	RUINT32T *p1, *pf, *p, *pl;
1560	p1 = (RUINT32T *) srcImage->data;
1561	pf = (RUINT32T *) (srcImage->data + srcImage->height * srcImage->bytes_per_line);
1562
1563	while (p1 < pf)
1564	{
1565	p = p1;
1566	pl = p1 + srcImage->width;
1567	for (; p < pl; p++)
1568	{
1569	*p = lookup_r[(*p & 0xff0000)>>16] |
1570	lookup_g[(*p & 0x00ff00)>> 8] |
1571	lookup_b[(*p & 0x0000ff)] |
1572	(*p & ~0xffffff);
1573	}
1574	p1 = (RUINT32T *) ((char *) p1 + srcImage->bytes_per_line);
1575	}
1576	break;
1577	}
1578	}
1579		1277
1580	free (lookup);	1278	free (lookup);
1581	}	1279	}
1582	#endif /* defined(ENABLE_TRANSPARENCY) && !defined(HAVE_AFTERIMAGE) */	1280	#endif /* ENABLE_TRANSPARENCY */

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