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Comparing rxvt-unicode/src/background.C (file contents):
Revision 1.11 by sasha, Wed Nov 14 22:25:41 2007 UTC vs.
Revision 1.208 by sf-exg, Fri May 11 08:16:58 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) 1997 Carsten Haitzler <raster@zip.com.au>
7	* Copyright (c) 1997,1998 Oezguer Kesim <kesim@math.fu-berlin.de>
8	* Copyright (c) 1998-2001 Geoff Wing <gcw@pobox.com>
9	* Copyright (c) 2005-2006 Marc Lehmann <pcg@goof.com>	6	* Copyright (c) 2005-2008 Marc Lehmann <schmorp@schmorp.de>
10	* 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>
11	*	9	*
12	* 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
13	* 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
14	* the Free Software Foundation; either version 2 of the License, or	12	* the Free Software Foundation; either version 2 of the License, or
15	* (at your option) any later version.	13	* (at your option) any later version.
…		…
22	* 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
23	* along with this program; if not, write to the Free Software	21	* along with this program; if not, write to the Free Software
24	* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.	22	* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
25	*---------------------------------------------------------------------*/	23	*---------------------------------------------------------------------*/
26		24
		25	#include <math.h>
27	#include "../config.h" /* NECESSARY */	26	#include "../config.h" /* NECESSARY */
28	#include "rxvt.h" /* NECESSARY */	27	#include "rxvt.h" /* NECESSARY */
29		28
30	#define DO_TIMING_TEST 0	29	#if XRENDER
31		30	# include <X11/extensions/Xrender.h>
32	#if DO_TIMING_TEST
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{ struct timeval tv;gettimeofday (&tv, NULL); tv.tv_sec -= (timing_test_##id##_stv).tv_sec;\
39	fprintf (stderr, "%s: %s: %d: elapsed %ld usec\n", #id, __FILE__, __LINE__,\
40	tv.tv_sec * 1000000 + tv.tv_usec - (timing_test_##id##_stv).tv_usec);}while (0)
41
42	#else
43	#define TIMING_TEST_START(id) do{}while (0)
44	#define TIMING_TEST_PRINT_RESULT(id) do{}while (0)
45	#endif	31	#endif
46		32
47	/*	33	#ifndef FilterConvolution
48	* Pixmap geometry string interpretation :	34	#define FilterConvolution "convolution"
49	* Each geometry string contains zero or one scale/position	35	#endif
50	* adjustment and may optionally be followed by a colon and one or more	36
51	* colon-delimited pixmap operations.	37	#ifndef RepeatPad
52	* The following table shows the valid geometry strings and their	38	#define RepeatPad True
53	* affects on the background image :	39	#endif
54	*
55	* WxH+X+Y Set scaling to W% by H%, and position to X% by Y%.
56	* W and H are percentages of the terminal window size.
57	* X and Y are also percentages; e.g., +50+50 centers
58	* the image in the window.
59	* WxH+X Assumes Y == X
60	* WxH Assumes Y == X == 50 (centers the image)
61	* W+X+Y Assumes H == W
62	* W+X Assumes H == W and Y == X
63	* W Assumes H == W and Y == X == 50
64	*
65	* Adjusting position only :
66	* =+X+Y Set position to X% by Y% (absolute).
67	* =+X Set position to X% by X%.
68	* +X+Y Adjust position horizontally X% and vertically Y%
69	* from current position (relative).
70	* +X Adjust position horizontally X% and vertically X%
71	* from current position.
72	*
73	* Adjusting scale only :
74	* Wx0 Multiply horizontal scaling factor by W%
75	* 0xH Multiply vertical scaling factor by H%
76	* 0x0 No scaling (show image at normal size).
77	*
78	* Pixmap Operations : (should be prepended by a colon)
79	* tile Tile image. Scaling/position modifiers above will affect
80	* the tile size and origin.
81	* propscale When scaling, scale proportionally. That is, maintain the
82	* proper aspect ratio for the image. Any portion of the
83	* background not covered by the image is filled with the
84	* current background color.
85	* hscale Scale horizontally, tile vertically ?
86	* vscale Tile horizontally, scale vertically ?
87	* scale Scale both up and down
88	* auto Same as 100x100+50+50
89	*/
90		40
91	#ifdef HAVE_BG_PIXMAP	41	#ifdef HAVE_BG_PIXMAP
92	bgPixmap_t::bgPixmap_t()	42	# if XRENDER
		43	static Picture
		44	create_xrender_mask (Display *dpy, Drawable drawable, Bool argb, Bool component_alpha)
93	{	45	{
94	#ifdef HAVE_AFTERIMAGE	46	Pixmap pixmap = XCreatePixmap (dpy, drawable, 1, 1, argb ? 32 : 8);
95	original_asim = NULL;	47
		48	XRenderPictFormat *format = XRenderFindStandardFormat (dpy, argb ? PictStandardARGB32 : PictStandardA8);
		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);
96	#endif	66	#endif
97	#ifdef BG_IMAGE_FROM_FILE
98	h_scale = v_scale = 0;
99	h_align = v_align = 0;
100	#endif
101	flags = 0;
102	pixmap = None;
103	}
104		67
105	bgPixmap_t::~bgPixmap_t()	68	if (bg_pixmap)
106	{
107	#ifdef HAVE_AFTERIMAGE
108	if (original_asim)
109	safe_asimage_destroy (original_asim);
110	#endif
111	if (pixmap && target)
112	XFreePixmap (target->dpy, pixmap);	69	XFreePixmap (dpy, bg_pixmap);
113	}	70	}
114		71
115	bool	72	bool
116	bgPixmap_t::window_size_sensitive ()	73	rxvt_term::bg_set_position (int x, int y)
117	{	74	{
118	# ifdef BG_IMAGE_FROM_FILE	75
119	# ifdef HAVE_AFTERIMAGE	76	if (target_x != x
120	if (original_asim != NULL)	77	|| target_y != y)
121	# endif
122	{	78	{
123	if (h_scale != 0 || v_scale != 0	79	target_x = x;
124	|| h_align != 0 || v_align != 0)	80	target_y = y;
125	return true;	81	return true;
126	}	82	}
127	# endif	83	return false;
		84	}
		85
		86	bool
		87	rxvt_term::bg_window_size_sensitive ()
		88	{
128	# ifdef ENABLE_TRANSPARENCY	89	# ifdef ENABLE_TRANSPARENCY
129	if (flags & isTransparent)	90	if (bg_flags & BG_IS_TRANSPARENT)
130	return true;	91	return true;
131	# endif	92	# endif
		93
		94	# ifdef BG_IMAGE_FROM_FILE
		95	if (bg_flags & BG_IS_FROM_FILE)
		96	{
		97	if (bg_flags & BG_IS_SIZE_SENSITIVE)
		98	return true;
		99	}
		100	# endif
		101
132	return false;	102	return false;
133	}	103	}
134		104
135	bool bgPixmap_t::need_client_side_rendering ()	105	bool
		106	rxvt_term::bg_window_position_sensitive ()
136	{	107	{
137	# ifdef HAVE_AFTERIMAGE	108	# ifdef ENABLE_TRANSPARENCY
138	if (original_asim != NULL)	109	if (bg_flags & BG_IS_TRANSPARENT)
139	return true;	110	return true;
140	# endif	111	# endif
141	# ifdef ENABLE_TRANSPARENCY	112
142	if (flags & isTransparent)	113	# ifdef BG_IMAGE_FROM_FILE
		114	if (bg_flags & BG_IS_FROM_FILE)
143	{	115	{
144	# ifdef HAVE_AFTERIMAGE // can't blur without libAI anyways	116	if (bg_flags & BG_ROOT_ALIGN)
145	if ((flags & blurNeeded) && !(flags & blurServerSide))
146	return true;	117	return true;
147	# endif
148	if ((flags & tintNeeded) && !(flags & tintServerSide))
149	return true;
150	}	118	}
151	# endif	119	# endif
		120
152	return false;	121	return false;
153	}	122	}
154		123
155	# ifdef BG_IMAGE_FROM_FILE	124	# ifdef BG_IMAGE_FROM_FILE
156	static inline bool
157	check_set_scale_value (int geom_flags, int flag, unsigned int &scale, unsigned int new_value)
158	{
159	if (geom_flags & flag)
160	{
161	if (new_value > 1000)
162	new_value = 1000;
163	if (new_value != scale)
164	{
165	scale = new_value;
166	return true;
167	}
168	}
169	return false;
170	}
171
172	static inline bool
173	check_set_align_value (int geom_flags, int flag, int &align, int new_value)
174	{
175	if (geom_flags & flag)
176	{
177	if (new_value < -100)
178	new_value = -100;
179	else if (new_value > 200)
180	new_value = 200;
181	if (new_value != align)
182	{
183	align = new_value;
184	return true;
185	}
186	}
187	return false;
188	}
189
190	static inline int	125	static inline int
191	make_align_position (int align, int window_size, int image_size)	126	make_align_position (int align, int window_size, int image_size)
192	{	127	{
193	int diff = window_size - image_size;
194	int smaller = MIN (image_size,window_size);
195
196	if (align >= 0 && align <= 50)	128	if (align >= 0 && align <= 100)
197	return diff * align / 100;	129	return lerp (0, window_size - image_size, align);
198	else if (align > 50 && align <= 100)
199	return window_size - image_size - diff * (100 - align) / 100;
200	else if (align > 100 && align <= 200 )
201	return ((align - 100) * smaller / 100) + window_size - smaller;
202	else if (align > -100 && align < 0)	130	else if (align > 100)
203	return ((align + 100) * smaller / 100) - image_size;	131	return lerp (window_size - image_size, window_size, align - 100);
204	return 0;	132	else
		133	return lerp (-image_size, 0, align + 100);
205	}	134	}
206		135
207	static inline int	136	static inline int
208	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)
209	{	138	{
210	int src_pos = 0;	139	int src_pos = 0;
211	dst_pos = 0;	140	dst_pos = pos;
212	dst_size = size;	141	dst_size = size;
213	if (pos < 0 && size > target_size)	142	if (pos < 0)
214	{	143	{
215	src_pos = -pos;	144	src_pos = -pos;
		145	dst_pos = 0;
216	dst_size += pos;	146	dst_size += pos;
217	}	147	}
218	else if (pos > 0)
219	dst_pos = pos;
220		148
221	if (dst_pos + dst_size > target_size)
222	dst_size = target_size - dst_pos;	149	min_it (dst_size, target_size - dst_pos);
223	return src_pos;	150	return src_pos;
224	}	151	}
225		152
226	bool	153	bool
227	bgPixmap_t::set_geometry (const char *geom)	154	rxvt_term::bg_set_geometry (const char *geom, bool update)
228	{	155	{
		156	bool changed = false;
229	int geom_flags = 0, changed = 0;	157	int geom_flags = 0;
230	int x = 0, y = 0;	158	int x = h_align;
		159	int y = v_align;
231	unsigned int w = 0, h = 0;	160	unsigned int w = h_scale;
232	unsigned int n;	161	unsigned int h = v_scale;
233	unsigned long new_flags = (flags & (~geometryFlags));	162	unsigned long new_flags = 0;
234	char *p;
235	# define MAXLEN_GEOM 256 /* could be longer then regular geometry string */
236		163
237	if (geom == NULL)	164	if (geom == NULL)
238	return false;	165	return false;
239		166
240	char str[MAXLEN_GEOM];	167	if (geom[0])
		168	{
		169	char **arr = rxvt_strsplit (':', geom);
241		170
242	while (isspace(*geom)) ++geom;	171	for (int i = 0; arr[i]; i++)
243	if ((p = strchr (geom, ';')) == NULL)	172	{
244	p = strchr (geom, '\0');	173	if (!strcasecmp (arr[i], "style=tiled"))
		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;
245		212
246	n = (p - geom);	213	// deprecated
247	if (n < MAXLEN_GEOM)	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);
248	{	263	}
249	char *ops;
250	new_flags |= geometrySet;
251		264
252	strncpy (str, geom, n);	265	new_flags |= bg_flags & ~BG_GEOMETRY_FLAGS;
253	str[n] = '\0';	266
254	if (str[0] == ':')	267	if (!update)
255	ops = &str[0];	268	{
256	else if (str[0] != 'x' && str[0] != 'X' && isalpha(str[0]))	269	if (!(geom_flags & XValue))
257	ops = &str[0];	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;
		455	}
		456
		457	row += rowstride;
		458	line += ximage->bytes_per_line;
		459	}
		460
		461	XPutImage (dpy, pixmap, gc, ximage, 0, 0, dst_x, dst_y, width, height);
		462	XDestroyImage (ximage);
		463	return true;
		464	}
		465
		466	bool
		467	rxvt_term::render_image (bool transparent)
		468	{
		469	if (!pixbuf)
		470	return false;
		471
		472	if (transparent
		473	&& !(bg_flags & BG_HAS_RENDER))
		474	return false;
		475
		476	GdkPixbuf *result;
		477
		478	int image_width = gdk_pixbuf_get_width (pixbuf);
		479	int image_height = gdk_pixbuf_get_height (pixbuf);
		480
		481	int target_width = szHint.width;
		482	int target_height = szHint.height;
		483	int new_pmap_width = target_width;
		484	int new_pmap_height = target_height;
		485
		486	int x = 0;
		487	int y = 0;
		488	int w = 0;
		489	int h = 0;
		490
		491	get_image_geometry (image_width, image_height, w, h, x, y);
		492
		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);
		508	}
		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)
		530	{
		531	new_pmap_width = min (image_width, target_width);
		532	new_pmap_height = min (image_height, target_height);
		533	}
		534	}
		535
		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)
		553	{
		554	Pixmap tile = XCreatePixmap (dpy, vt, image_width, image_height, depth);
		555	pixbuf_to_pixmap (result, tile, gc,
		556	0, 0,
		557	0, 0,
		558	image_width, image_height);
		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);
		568	}
258	else	569	else
259	{	570	{
260	char *tmp;
261	ops = strchr (str, ':');
262	if (ops != NULL)
263	{
264	for (tmp = ops-1; tmp >= str && isspace(*tmp); --tmp);
265	*(++tmp) = '\0';
266	if (ops == tmp) ++ops;
267	}
268	}
269
270	if (ops > str || ops == NULL)
271	{
272	/* we have geometry string - let's handle it prior to applying ops */
273	geom_flags = XParseGeometry (str, &x, &y, &w, &h);
274
275	if ((geom_flags & XValue) && !(geom_flags & YValue))
276	{
277	y = x;
278	geom_flags |= YValue;
279	}
280
281	if (flags & geometrySet)
282	{/* new geometry is an adjustment to the old one ! */
283	if ((geom_flags & WidthValue) && (geom_flags & HeightValue))
284	{
285	if (w == 0 && h != 0)
286	{
287	w = h_scale;
288	h = (v_scale * h) / 100;
289	}
290	else if (h == 0 && w != 0)
291	{
292	w = (h_scale * w) / 100;
293	h = v_scale;
294	}
295	}
296	if (geom_flags & XValue)
297	{
298	if (str[0] != '=')
299	{
300	y += v_align;
301	x += h_align;
302	}
303	}
304	}
305	else /* setting up geometry from scratch */
306	{
307	if (!(geom_flags & XValue))
308	{/* use default geometry - centered */
309	x = y = defaultAlign;
310	}
311	else if (!(geom_flags & YValue))
312	y = x;
313
314	if ((geom_flags & (WidthValue|HeightValue)) == 0)
315	{/* use default geometry - scaled */
316	w = h = defaultScale;
317	}
318	else if (geom_flags & WidthValue)
319	{
320	if (!(geom_flags & HeightValue))
321	h = w;
322	}
323	else
324	w = h;
325	}
326	} /* done parsing geometry string */
327	else if (!(flags & geometrySet))
328	{ /* default geometry - scaled and centered */
329	x = y = defaultAlign;
330	w = h = defaultScale;
331	}
332
333	if (!(flags & geometrySet))
334	geom_flags |= WidthValue|HeightValue|XValue|YValue;
335
336	if (ops)
337	{
338	while (*ops)
339	{
340	while (*ops == ':' || isspace(*ops)) ++ops;
341	# define CHECK_GEOM_OPS(op_str) (strncasecmp (ops, (op_str), sizeof(op_str)-1) == 0)
342	if (CHECK_GEOM_OPS("tile"))
343	{
344	w = h = 0;
345	geom_flags |= WidthValue|HeightValue;
346	}
347	else if (CHECK_GEOM_OPS("propscale"))
348	{
349	if (w == 0 && h == 0)
350	{
351	w = 100;
352	geom_flags |= WidthValue;
353	}
354	new_flags |= propScale;
355	}
356	else if (CHECK_GEOM_OPS("hscale"))
357	{
358	if (w == 0)
359	w = 100;
360	h = 0;
361	geom_flags |= WidthValue|HeightValue;
362	}
363	else if (CHECK_GEOM_OPS("vscale"))
364	{
365	if (h == 0)
366	h = 100;
367	w = 0;
368	geom_flags |= WidthValue|HeightValue;
369	}
370	else if (CHECK_GEOM_OPS("scale"))
371	{
372	if (h == 0)
373	h = 100;
374	if (w == 0)
375	w = 100;
376	geom_flags |= WidthValue|HeightValue;
377	}
378	else if (CHECK_GEOM_OPS("auto"))
379	{
380	w = h = 100;
381	x = y = 50;
382	geom_flags |= WidthValue|HeightValue|XValue|YValue;
383	}
384	# undef CHECK_GEOM_OPS
385	while (*ops != ':' && *ops != '\0') ++ops;
386	} /* done parsing ops */
387	}
388
389	if (check_set_scale_value (geom_flags, WidthValue, h_scale, w))
390	++changed;
391	if (check_set_scale_value (geom_flags, HeightValue, v_scale, h))
392	++changed;
393	if (check_set_align_value (geom_flags, XValue, h_align, x))
394	++changed;
395	if (check_set_align_value (geom_flags, YValue, v_align, y))
396	++changed;
397	}
398
399	if (new_flags != flags)
400	{
401	flags = new_flags;
402	changed++;
403	}
404	//fprintf( stderr, "flags = %lX, scale = %ux%u, align=%+d%+d\n",
405	// flags, h_scale, v_scale, h_align, v_align);
406	return (changed > 0);
407	}
408
409	# ifdef HAVE_AFTERIMAGE
410	bool
411	bgPixmap_t::render_asim (ASImage *background, ARGB32 background_tint)
412	{
413	if (target == NULL)
414	return false;
415
416	int target_width = (int)target->szHint.width;
417	int target_height = (int)target->szHint.height;
418	int new_pmap_width = target_width, new_pmap_height = target_height;
419	ASImage *result = NULL;
420
421	int x = 0;
422	int y = 0;
423	int w = h_scale * target_width / 100;
424	int h = v_scale * target_height / 100;
425
426	TIMING_TEST_START (asim);
427
428	if (original_asim)
429	{
430	x = make_align_position (h_align, target_width, w > 0 ? w : (int)original_asim->width);
431	y = make_align_position (v_align, target_height, h > 0 ? h : (int)original_asim->height);
432	}
433
434	if (original_asim == NULL
435	|| x >= target_width
436	|| y >= target_height
437	|| (w > 0 && x + w <= 0)
438	|| (h > 0 && y + h <= 0))
439	{
440	if (background)
441	{
442	new_pmap_width = background->width;
443	new_pmap_height = background->height;
444	result = background;
445	if (background_tint != TINT_LEAVE_SAME)
446	{
447	ASImage* tmp = tile_asimage (target->asv, background, 0, 0,
448	target_width, target_height, background_tint,
449	ASA_XImage, 100, ASIMAGE_QUALITY_DEFAULT);
450	if (tmp)
451	result = tmp;
452	}
453	}
454	else
455	new_pmap_width = new_pmap_height = 0;
456	}
457	else
458	{
459	result = original_asim;
460	if ((w > 0 && w != original_asim->width)
461	|| (h > 0 && h != original_asim->height))
462	{
463	result = scale_asimage (target->asv, original_asim,
464	w > 0 ? w : original_asim->width,
465	h > 0 ? h : original_asim->height,
466	background ? ASA_ASImage : ASA_XImage,
467	100, ASIMAGE_QUALITY_DEFAULT);
468	}
469	if (background == NULL)
470	{/* if tiling - pixmap has to be sized exactly as the image */
471	if (h_scale == 0)
472	new_pmap_width = result->width;
473	if (v_scale == 0)
474	new_pmap_height = result->height;
475	/* we also need to tile our image in one or both directions */
476	if (h_scale == 0 || v_scale == 0)
477	{
478	ASImage *tmp = tile_asimage (target->asv, result,
479	(h_scale > 0) ? 0 : (int)result->width - x,
480	(v_scale > 0) ? 0 : (int)result->height - y,
481	result->width, result->height,
482	TINT_LEAVE_SAME, ASA_XImage,
483	100, ASIMAGE_QUALITY_DEFAULT);
484	if (tmp)
485	{
486	if (result != original_asim)
487	destroy_asimage (&result);
488	result = tmp;
489	}
490	}
491	}
492	else
493	{/* if blending background and image - pixmap has to be sized same as target window */
494	ASImageLayer *layers = create_image_layers (2);
495	ASImage *merged_im = NULL;
496
497	layers[0].im = background;
498	layers[0].clip_width = target_width;
499	layers[0].clip_height = target_height;
500	layers[0].tint = background_tint;
501	layers[1].im = result;
502	if (w <= 0)
503	{/* tile horizontally */
504	while (x > 0) x -= (int)result->width;
505	layers[1].dst_x = x;
506	layers[1].clip_width = result->width+target_width;
507	}
508	else
509	{/* clip horizontally */
510	layers[1].dst_x = x;
511	layers[1].clip_width = result->width;
512	}
513	if (h <= 0)
514	{
515	while (y > 0) y -= (int)result->height;
516	layers[1].dst_y = y;
517	layers[1].clip_height = result->height + target_height;
518	}
519	else
520	{
521	layers[1].dst_y = y;
522	layers[1].clip_height = result->height;
523	}
524	if (target->rs[Rs_blendtype])
525	{
526	layers[1].merge_scanlines = blend_scanlines_name2func (target->rs[Rs_blendtype]);
527	if (layers[1].merge_scanlines == NULL)
528	layers[1].merge_scanlines = alphablend_scanlines;
529	}
530	ASImage *tmp = merge_layers (target->asv, layers, 2, target_width, target_height,
531	ASA_XImage, 0, ASIMAGE_QUALITY_DEFAULT);
532	if (tmp)
533	{
534	if (result != original_asim)
535	destroy_asimage (&result);
536	result = tmp;
537	}
538	free (layers);
539	}
540	}
541	TIMING_TEST_PRINT_RESULT (asim);
542
543	if (pixmap)
544	{
545	if (result == NULL
546	|| pmap_width != new_pmap_width
547	|| pmap_height != new_pmap_height
548	|| pmap_depth != target->depth)
549	{
550	XFreePixmap (target->dpy, pixmap);
551	pixmap = None;
552	}
553	}
554
555	if (result)
556	{
557	XGCValues gcv;
558	GC gc;
559
560	/* create Pixmap */
561	if (pixmap == None)
562	{
563	pixmap = XCreatePixmap (target->dpy, target->vt, new_pmap_width, new_pmap_height, target->depth);
564	pmap_width = new_pmap_width;
565	pmap_height = new_pmap_height;
566	pmap_depth = target->depth;
567	}
568	/* fill with background color ( if result's not completely overlapping it)*/
569	gcv.foreground = target->pix_colors[Color_bg];
570	gc = XCreateGC (target->dpy, target->vt, GCForeground, &gcv);
571
572	int src_x = 0, src_y = 0, dst_x = 0, dst_y = 0;	571	int src_x, src_y, dst_x, dst_y;
573	int dst_width = result->width, dst_height = result->height;	572	int dst_width, dst_height;
574	if (background == NULL)	573
575	{
576	if (h_scale > 0)
577	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 );
578	if (v_scale > 0)
579	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);
580		576
581	if (dst_x > 0 || dst_y > 0	577	if (dst_x > 0 || dst_y > 0
582	|| dst_x + dst_width < new_pmap_width	578	|| dst_x + dst_width < new_pmap_width
583	|| dst_y + dst_height < new_pmap_height)	579	|| dst_y + dst_height < new_pmap_height)
584	{
585	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);
586	}	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);
587	}	587	}
588		588
589	/* put result on pixmap */	589	#if XRENDER
590	if (dst_x < new_pmap_width && dst_y < new_pmap_height)	590	if (transparent)
591	asimage2drawable (target->asv, pixmap, result, gc, src_x, src_y, dst_x, dst_y, dst_width, dst_height, True);	591	{
		592	XRenderPictFormat *format = XRenderFindVisualFormat (dpy, visual);
592		593
593	if (result != background && result != original_asim)	594	Picture src = XRenderCreatePicture (dpy, root_pmap, format, 0, 0);
594	destroy_asimage (&result);
595		595
		596	Picture dst = XRenderCreatePicture (dpy, bg_pixmap, format, 0, 0);
		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);
		613	}
		614	#endif
		615
596	XFreeGC (target->dpy, gc);	616	XFreeGC (dpy, gc);
597	TIMING_TEST_PRINT_RESULT (asim);
598	}
599		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
600	return true;	627	return ret;
601	}	628	}
602	# endif /* HAVE_AFTERIMAGE */	629	# endif /* HAVE_PIXBUF */
603		630
604	bool	631	bool
605	bgPixmap_t::set_file (const char *file)	632	rxvt_term::bg_set_file (const char *file)
606	{	633	{
607	char *f;	634	if (!file || !*file)
		635	return false;
608		636
609	assert (file != NULL);	637	bool ret = false;
		638	const char *p = strchr (file, ';');
610		639
611	if (*file != '\0')	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;
612	{	647	}
613	# ifdef HAVE_AFTERIMAGE	648
614	if (target->asimman == NULL)	649	# ifdef HAVE_PIXBUF
615	target->asimman = create_generic_imageman (target->rs[Rs_path]);	650	GdkPixbuf *image = gdk_pixbuf_new_from_file (file, NULL);
616	if ((f = strchr (file, ';')) == NULL)	651	if (image)
617	original_asim = get_asimage (target->asimman, file, 0xFFFFFFFF, 100);	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);
618	else	665	else
619	{	666	bg_set_default_geometry ();
620	size_t len = f - file;	667	}
621	f = (char *)malloc (len + 1);	668
622	strncpy (f, file, len);	669	return ret;
623	f[len] = '\0';	670	}
624	original_asim = get_asimage (target->asimman, f, 0xFFFFFFFF, 100);	671
625	free (f);	672	# endif /* BG_IMAGE_FROM_FILE */
626	}	673
627	return (original_asim != NULL);	674	# ifdef ENABLE_TRANSPARENCY
628	# endif	675	bool
		676	rxvt_term::bg_set_transparent ()
		677	{
		678	if (!(bg_flags & BG_IS_TRANSPARENT))
629	}	679	{
		680	bg_flags |= BG_IS_TRANSPARENT;
		681	return true;
		682	}
		683
630	return false;	684	return false;
631	}	685	}
632		686
633	# endif /* BG_IMAGE_FROM_FILE */
634
635	# ifdef ENABLE_TRANSPARENCY
636	bool	687	bool
637	bgPixmap_t::set_transparent ()	688	rxvt_term::bg_set_blur (const char *geom)
638	{	689	{
639	if (!(flags & isTransparent))	690	bool changed = false;
640	{
641	flags |= isTransparent;
642	return true;
643	}
644	return false;
645	}
646
647	bool
648	bgPixmap_t::set_blur_radius (const char *geom)
649	{
650	int changed = 0;
651	unsigned int hr, vr;	691	unsigned int hr, vr;
652	int junk;	692	int junk;
653	int geom_flags = XParseGeometry (geom, &junk, &junk, &hr, &vr);	693	int geom_flags = XParseGeometry (geom, &junk, &junk, &hr, &vr);
654		694
655	if (!(geom_flags&WidthValue))	695	if (!(geom_flags & WidthValue))
656	hr = 1;	696	hr = 1;
657	if (!(geom_flags&HeightValue))	697	if (!(geom_flags & HeightValue))
658	vr = hr;	698	vr = hr;
659		699
		700	min_it (hr, 128);
		701	min_it (vr, 128);
		702
660	if (h_blurRadius != hr)	703	if (h_blurRadius != hr)
661	{	704	{
662	++changed;	705	changed = true;
663	h_blurRadius = hr;	706	h_blurRadius = hr;
664	}	707	}
665		708
666	if (v_blurRadius != vr)	709	if (v_blurRadius != vr)
667	{	710	{
668	++changed;	711	changed = true;
669	v_blurRadius = vr;	712	v_blurRadius = vr;
670	}	713	}
671		714
672	if (v_blurRadius == 0 && h_blurRadius == 0)	715	if (h_blurRadius && v_blurRadius)
673	flags &= ~blurNeeded;	716	bg_flags |= BG_NEEDS_BLUR;
674	else	717	else
675	flags |= blurNeeded;	718	bg_flags &= ~BG_NEEDS_BLUR;
676		719
677	return (changed>0);	720	return changed;
678	}	721	}
679		722
680	static inline unsigned long	723	void
681	compute_tint_shade_flags (rxvt_color *tint, int shade)	724	rxvt_term::set_tint_shade_flags ()
682	{	725	{
683	unsigned long flags = 0;	726	if (shade != 100 || (bg_flags & BG_TINT_SET))
		727	bg_flags |= BG_NEEDS_TINT;
		728	else
		729	bg_flags &= ~BG_NEEDS_TINT;
		730	}
		731
		732	bool
		733	rxvt_term::bg_set_tint (rxvt_color &new_tint)
		734	{
		735	if (!(bg_flags & BG_TINT_SET) || tint != new_tint)
		736	{
		737	tint = new_tint;
		738	bg_flags |= BG_TINT_SET;
		739
		740	rgba c;
		741	tint.get (c);
		742	if ((c.r <= 0x00ff || c.r >= 0xff00)
		743	&& (c.g <= 0x00ff || c.g >= 0xff00)
		744	&& (c.b <= 0x00ff || c.b >= 0xff00))
		745	bg_flags |= BG_TINT_BITAND;
		746	else
		747	bg_flags &= ~BG_TINT_BITAND;
		748
		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	}
		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);
		885	}
		886	}
		887	# if XRENDER
		888	else if (bg_flags & BG_HAS_RENDER)
		889	{
684	rgba c (rgba::MAX_CC,rgba::MAX_CC,rgba::MAX_CC);	890	rgba c (rgba::MAX_CC, rgba::MAX_CC, rgba::MAX_CC);
685	bool has_shade = (shade > 0 && shade < 100) || (shade > 100 && shade < 200);
686		891
687	if (tint)	892	if (bg_flags & BG_TINT_SET)
688	{
689	tint->get (c);	893	tint.get (c);
690	# define IS_COMPONENT_WHOLESOME(cmp) ((cmp) <= 0x000700 || (cmp) >= 0x00f700)
691	if (!has_shade && IS_COMPONENT_WHOLESOME (c.r)
692	&& IS_COMPONENT_WHOLESOME (c.g)
693	&& IS_COMPONENT_WHOLESOME (c.b))
694	flags |= bgPixmap_t::tintWholesome;
695	# undef IS_COMPONENT_WHOLESOME
696	}
697		894
698	if (has_shade)	895	if (shade <= 100)
699	flags |= bgPixmap_t::tintNeeded;
700	else if (tint)
701	{
702	if ((c.r > 0x000700 || c.g > 0x000700 || c.b > 0x000700)
703	&& (c.r < 0x00f700 || c.g < 0x00f700 || c.b < 0x00f700))
704	{	896	{
705	flags |= bgPixmap_t::tintNeeded;	897	c.r = c.r * shade / 100;
		898	c.g = c.g * shade / 100;
		899	c.b = c.b * shade / 100;
706	}	900	}
707	}
708
709	if (flags & bgPixmap_t::tintNeeded)
710	{
711	if (flags & bgPixmap_t::tintWholesome)
712	flags |= bgPixmap_t::tintServerSide;
713	else	901	else
714	{	902	{
715	#if XFT	903	c.r = c.r * (200 - shade) / 100;
716	flags |= bgPixmap_t::tintServerSide;	904	c.g = c.g * (200 - shade) / 100;
717	#endif	905	c.b = c.b * (200 - shade) / 100;
718	}	906	}
719	}
720		907
721	return flags;	908	XRenderPictFormat *format = XRenderFindVisualFormat (dpy, visual);
722	}
723		909
724	bool	910	Picture back_pic = XRenderCreatePicture (dpy, pixmap, format, 0, 0);
725	bgPixmap_t::set_tint (rxvt_color &new_tint)	911
726	{	912	Picture overlay_pic = create_xrender_mask (dpy, pixmap, True, False);
727	if (tint != new_tint)	913
728	{	914	Picture mask_pic = create_xrender_mask (dpy, pixmap, True, True);
729	unsigned long new_flags = compute_tint_shade_flags (&new_tint, shade);	915
730	tint = new_tint;	916	XRenderColor mask_c;
731	flags = (flags & ~tintFlags) | new_flags | tintSet;	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
732	return true;	943	ret = true;
733	}
734	return false;
735	}
736		944
737	bool	945	XRenderFreePicture (dpy, mask_pic);
738	bgPixmap_t::unset_tint ()	946	XRenderFreePicture (dpy, overlay_pic);
739	{	947	XRenderFreePicture (dpy, back_pic);
740	unsigned long new_flags = compute_tint_shade_flags (NULL, shade);
741
742	if (new_flags != (flags & tintFlags))
743	{	948	}
744	flags = (flags&~tintFlags)|new_flags;	949	# endif
745	return true;	950
746	}
747	return false;	951	return ret;
748	}	952	}
749		953
750	bool	954	/*
751	bgPixmap_t::set_shade (const char *shade_str)	955	* Builds a pixmap of the same size as the terminal window that contains
752	{
753	int new_shade = (shade_str) ? atoi (shade_str) : 0;
754
755	if (new_shade < 0 && new_shade > -100)
756	new_shade = 200 - (100 + new_shade);
757	else if (new_shade == 100)
758	new_shade = 0;
759
760	if (new_shade != shade)
761	{
762	unsigned long new_flags = compute_tint_shade_flags ((flags & tintSet) ? &tint : NULL, new_shade);
763	shade = new_shade;
764	flags = (flags & (~tintFlags | tintSet)) | new_flags;
765	return true;
766	}
767	return false;
768	}
769
770	/* make_transparency_pixmap()
771	* Builds a pixmap sized the same as terminal window, with depth same as the root window
772	* 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
773	* our window.	957	* our window.
774	*/	958	*/
775	unsigned long	959	bool
776	bgPixmap_t::make_transparency_pixmap ()	960	rxvt_term::make_transparency_pixmap ()
777	{	961	{
778	unsigned long result = 0;	962	bool ret = false;
779		963
780	if (target == NULL)
781	return 0;
782
783	/* root dimentions may change from call to call - but Display structure should	964	/* root dimensions may change from call to call - but Display structure should
784	* be always up-to-date, so let's use it :	965	* be always up-to-date, so let's use it :
785	*/	966	*/
786	Window root = target->display->root;
787	int screen = target->display->screen;	967	int screen = display->screen;
788	Display *dpy = target->dpy;	968	int root_depth = DefaultDepth (dpy, screen);
789	int root_width = DisplayWidth (dpy, screen);	969	int root_width = DisplayWidth (dpy, screen);
790	int root_height = DisplayHeight (dpy, screen);	970	int root_height = DisplayHeight (dpy, screen);
791	unsigned int root_pmap_width, root_pmap_height;	971	unsigned int root_pmap_width, root_pmap_height;
792	int window_width = target->szHint.width;	972	int window_width = szHint.width;
793	int window_height = target->szHint.height;	973	int window_height = szHint.height;
794	int sx, sy;	974	int sx, sy;
795	XGCValues gcv;	975	XGCValues gcv;
		976	GC gc;
796		977
797	TIMING_TEST_START (tp);	978	sx = target_x;
798	target->get_window_origin (sx, sy);	979	sy = target_y;
799		980
800	/* 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 : */
801	if (sx + window_width <= 0 || sy + window_height <= 0	982	if (sx + window_width <= 0 || sy + window_height <= 0
802	|| sx >= root_width || sy >= root_height)	983	|| sx >= root_width || sy >= root_height)
803	return 0;	984	return 0;
804		985
		986	// validate root pixmap and get its size
805	if (root_pixmap != None)	987	if (root_pixmap != None)
806	{/* we want to validate the pixmap and get it's size at the same time : */	988	{
		989	Window wdummy;
807	int junk;	990	int idummy;
808	unsigned int ujunk;	991	unsigned int udummy;
809	/* root pixmap may be bad - allow a error */	992
810	target->allowedxerror = -1;	993	allowedxerror = -1;
811		994
812	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))
813	root_pixmap = None;	996	root_pixmap = None;
814		997
815	target->allowedxerror = 0;	998	allowedxerror = 0;
		999	}
		1000
		1001	Pixmap recoded_root_pmap = root_pixmap;
		1002
		1003	if (root_pixmap != None && root_depth != depth)
816	}	1004	{
817		1005	#if XRENDER
818	Pixmap tiled_root_pmap = XCreatePixmap (dpy, root, window_width, window_height, root_depth);	1006	if (bg_flags & BG_HAS_RENDER)
819	GC gc = NULL;
820
821	if (tiled_root_pmap == None) /* something really bad happened - abort */
822	return 0;
823
824	if (root_pixmap == None)
825	{ /* use tricks to obtain the root background image :*/
826	/* we want to create Overrideredirect window overlapping out window
827	with background type of Parent Relative and then grab it */
828	XSetWindowAttributes attr;
829	Window src;
830	bool success = false;
831
832	attr.background_pixmap = ParentRelative;
833	attr.backing_store = Always;
834	attr.event_mask = ExposureMask;
835	attr.override_redirect = True;
836	src = XCreateWindow (dpy, root, sx, sy, window_width, window_height, 0,
837	CopyFromParent, CopyFromParent, CopyFromParent,
838	CWBackPixmap|CWBackingStore|CWOverrideRedirect|CWEventMask,
839	&attr);
840
841	if (src != None)
842	{	1007	{
843	XEvent event;	1008	recoded_root_pmap = XCreatePixmap (dpy, vt, root_pmap_width, root_pmap_height, depth);
844	int ev_count = 0;
845	XGrabServer (dpy);
846	XMapRaised (dpy, src);
847	XSync (dpy, False);
848		1009
849	/* XSync should get window where it's properly exposed,	1010	XRenderPictFormat *src_format = XRenderFindVisualFormat (dpy, DefaultVisual (dpy, screen));
850	* but to be on the safe side - let's check for the actuall event to arrive : */	1011	Picture src = XRenderCreatePicture (dpy, root_pixmap, src_format, 0, 0);
851	while (XCheckWindowEvent (dpy, src, ExposureMask, &event))
852	++ev_count;
853		1012
854	if (ev_count > 0);
855	{ /* hooray! - we can grab the image! */
856	gc = XCreateGC (dpy, root, 0, NULL);
857	if (gc)
858	{
859	XCopyArea (dpy, src, tiled_root_pmap, gc, 0, 0, window_width, window_height, 0, 0);
860	success = true;
861	}
862	}
863	XDestroyWindow (dpy, src);
864	XUngrabServer (dpy);
865	//fprintf (stderr, "%s:%d: ev_count = %d\n", __FUNCTION__, __LINE__, ev_count);
866	}
867
868	if (!success)
869	{
870	XFreePixmap (dpy, tiled_root_pmap);
871	tiled_root_pmap = None;
872	}
873	else
874	result |= transpPmapTiled;
875	}
876	else
877	{/* strightforward pixmap copy */
878	gcv.tile = root_pixmap;
879	gcv.fill_style = FillTiled;
880
881	while (sx < 0) sx += (int)root_width;
882	while (sy < 0) sy += (int)root_height;
883
884	gcv.ts_x_origin = -sx;
885	gcv.ts_y_origin = -sy;
886	gc = XCreateGC (dpy, root, GCFillStyle | GCTile | GCTileStipXOrigin | GCTileStipYOrigin, &gcv);
887
888	if (gc)
889	{
890	XFillRectangle (dpy, tiled_root_pmap, gc, 0, 0, window_width, window_height);
891	result |= transpPmapTiled;
892	}
893	}
894	TIMING_TEST_PRINT_RESULT (tp);
895
896	if (tiled_root_pmap != None)
897	{
898	if (!need_client_side_rendering ())
899	{
900	if ((flags & tintNeeded))
901	{
902	if (flags & tintWholesome)
903	{
904	/* In this case we can tint image server-side getting significant
905	* performance improvements, as we eliminate XImage transfer
906	*/
907	gcv.foreground = Pixel (tint);
908	gcv.function = GXand;
909	gcv.fill_style = FillSolid;
910	if (gc)
911	XChangeGC (dpy, gc, GCFillStyle | GCForeground | GCFunction, &gcv);
912	else
913	gc = XCreateGC (dpy, root, GCFillStyle | GCForeground | GCFunction, &gcv);
914	if (gc)
915	{
916	XFillRectangle (dpy, tiled_root_pmap, gc, 0, 0, window_width, window_height);
917	result |= transpPmapTinted;
918	}
919	}
920	else
921	{
922	# if XFT
923	Picture back_pic = 0;
924	rgba c (rgba::MAX_CC,rgba::MAX_CC,rgba::MAX_CC);
925
926	if (flags & tintSet)
927	tint.get (c);
928
929	if (shade > 0 && shade < 100)
930	{
931	c.r = (c.r * shade) / 100;
932	c.g = (c.g * shade) / 100;
933	c.b = (c.b * shade) / 100;
934	}
935	else if( shade > 100 && shade < 200)
936	{
937	c.r = (c.r * (200 - shade)) / 100;
938	c.g = (c.g * (200 - shade)) / 100;
939	c.b = (c.b * (200 - shade)) / 100;
940	}
941
942	XRenderPictFormat pf;
943	pf.type = PictTypeDirect;
944	pf.depth = 32;
945	pf.direct.redMask = 0xff;
946	pf.direct.greenMask = 0xff;
947	pf.direct.blueMask = 0xff;
948	pf.direct.alphaMask = 0xff;
949
950	XRenderPictFormat *solid_format = XRenderFindFormat (dpy,	1013	XRenderPictFormat *dst_format = XRenderFindVisualFormat (dpy, visual);
951	(PictFormatType|
952	PictFormatDepth|
953	PictFormatRedMask|
954	PictFormatGreenMask|
955	PictFormatBlueMask|
956	PictFormatAlphaMask),
957	&pf,
958	0);
959	XRenderPictFormat *root_format = XRenderFindVisualFormat (dpy, DefaultVisualOfScreen (ScreenOfDisplay (dpy, target->display->screen)));
960	XRenderPictureAttributes pa ;
961
962	back_pic = XRenderCreatePicture (dpy, tiled_root_pmap, root_format, 0, &pa);	1014	Picture dst = XRenderCreatePicture (dpy, recoded_root_pmap, dst_format, 0, 0);
963		1015
964	pa.repeat = True;	1016	XRenderComposite (dpy, PictOpSrc, src, None, dst, 0, 0, 0, 0, 0, 0, root_pmap_width, root_pmap_height);
965		1017
966	Pixmap overlay_pmap = XCreatePixmap (dpy, root, 1, 1, 32);
967	Picture overlay_pic = XRenderCreatePicture (dpy, overlay_pmap, solid_format, CPRepeat, &pa);
968	XFreePixmap (dpy, overlay_pmap);
969
970	pa.component_alpha = True;
971	Pixmap mask_pmap = XCreatePixmap (dpy, root, 1, 1, 32);
972	Picture mask_pic = XRenderCreatePicture (dpy, mask_pmap, solid_format, CPRepeat|CPComponentAlpha, &pa);
973	XFreePixmap (dpy, mask_pmap);
974
975	if (mask_pic && overlay_pic && back_pic)
976	{
977	XRenderColor mask_c;
978
979	memset (&mask_c, (shade > 100) ? 0xFF : 0x0, sizeof (mask_c));
980	mask_c.alpha = 0xffff;
981	XRenderFillRectangle (dpy, PictOpSrc, overlay_pic, &mask_c, 0, 0, 1, 1);
982
983	mask_c.alpha = 0;
984	mask_c.red = 0xffff - c.r;
985	mask_c.green = 0xffff - c.g;
986	mask_c.blue = 0xffff - c.b;
987	XRenderFillRectangle (dpy, PictOpSrc, mask_pic, &mask_c, 0, 0, 1, 1);
988	XRenderComposite (dpy, PictOpOver, overlay_pic, mask_pic, back_pic, 0, 0, 0, 0, 0, 0, window_width, window_height);
989	result |= transpPmapTinted;
990	}
991	XRenderFreePicture (dpy, mask_pic);	1018	XRenderFreePicture (dpy, src);
992	XRenderFreePicture (dpy, overlay_pic);
993	XRenderFreePicture (dpy, back_pic);	1019	XRenderFreePicture (dpy, dst);
994	# if DO_TIMING_TEST
995	XSync (dpy, False);
996	# endif
997	# endif
998	}
999	}
1000	} /* server side rendering completed */
1001
1002	if (pixmap)
1003	XFreePixmap (dpy, pixmap);
1004
1005	pixmap = tiled_root_pmap;
1006	pmap_width = window_width;
1007	pmap_height = window_height;
1008	pmap_depth = root_depth;
1009	}
1010
1011	if (gc)
1012	XFreeGC (dpy, gc);
1013
1014	TIMING_TEST_PRINT_RESULT (tp);
1015
1016	return result;
1017	}
1018
1019	bool
1020	bgPixmap_t::set_root_pixmap ()
1021	{
1022	Pixmap new_root_pixmap = None;
1023
1024	new_root_pixmap = target->get_pixmap_property (XA_XROOTPMAP_ID);
1025	if (new_root_pixmap == None)
1026	new_root_pixmap = target->get_pixmap_property (XA_ESETROOT_PMAP_ID);
1027
1028	if (new_root_pixmap != root_pixmap)
1029	{
1030	root_pixmap = new_root_pixmap;
1031	return true;
1032	}
1033	return false;
1034	}
1035	# endif /* ENABLE_TRANSPARENCY */
1036
1037	# ifndef HAVE_AFTERIMAGE
1038	static void ShadeXImage(rxvt_term *term, XImage* srcImage, int shade, int rm, int gm, int bm);
1039	# endif
1040
1041
1042	bool
1043	bgPixmap_t::render ()
1044	{
1045	unsigned long background_flags = 0;
1046
1047	if (target == NULL)
1048	return false;
1049
1050	TIMING_TEST_START (tp);
1051
1052	invalidate();
1053	# ifdef ENABLE_TRANSPARENCY
1054	if (flags & isTransparent)
1055	{
1056	/* we need to re-generate transparency pixmap in that case ! */
1057	background_flags = make_transparency_pixmap ();
1058	if (background_flags == 0)
1059	return false;
1060	else if ((background_flags & transpTransformations) == (flags & transpTransformations)
1061	&& pmap_depth == target->depth)
1062	flags = flags & ~isInvalid;
1063	}
1064	# endif
1065
1066	XImage *result = NULL;
1067	# ifdef HAVE_AFTERIMAGE
1068	if (original_asim
1069	|| (background_flags & transpTransformations) != (flags & transpTransformations))
1070	{
1071	ASImage *background = NULL;
1072	ARGB32 as_tint = TINT_LEAVE_SAME;
1073	if (background_flags)
1074	background = pixmap2ximage (target->asv, pixmap, 0, 0, pmap_width, pmap_height, AllPlanes, 100);
1075
1076	# ifdef ENABLE_TRANSPARENCY
1077	if (!(background_flags & transpPmapTinted) && (flags & tintNeeded))
1078	{
1079	ShadingInfo as_shade;
1080	as_shade.shading = (shade == 0) ? 100 : shade;
1081
1082	rgba c (rgba::MAX_CC,rgba::MAX_CC,rgba::MAX_CC);
1083	if (flags & tintSet)
1084	tint.get (c);
1085	as_shade.tintColor.red = c.r;
1086	as_shade.tintColor.green = c.g;
1087	as_shade.tintColor.blue = c.b;
1088
1089	as_tint = shading2tint32 (&as_shade);
1090	}
1091	if (!(background_flags & transpPmapBlured) && (flags & blurNeeded) && background != NULL)
1092	{
1093	ASImage* tmp = blur_asimage_gauss (target->asv, background, h_blurRadius, v_blurRadius, 0xFFFFFFFF,
1094	(original_asim == NULL || tint == TINT_LEAVE_SAME)?ASA_XImage:ASA_ASImage,
1095	100, ASIMAGE_QUALITY_DEFAULT);
1096	if (tmp)
1097	{
1098	destroy_asimage (&background);
1099	background = tmp;
1100	}
1101	}
1102	# endif
1103
1104	if (render_asim (background, as_tint))
1105	flags = flags & ~isInvalid;
1106	if (background)
1107	destroy_asimage (&background);
1108	}
1109	else if (background_flags && pmap_depth != target->depth)
1110	{
1111	result = XGetImage (target->dpy, pixmap, 0, 0, pmap_width, pmap_height, AllPlanes, ZPixmap);
1112	}
1113
1114	# elif !XFT /* our own client-side tinting */
1115
1116	/* ATTENTION: We ASSUME that XFT will let us do all the tinting neccessary server-side.
1117	This may need to be changed in need_client_side_rendering() logic is altered !!! */
1118
1119	if (background_flags && (flags & isInvalid))
1120	{
1121	result = XGetImage (target->dpy, pixmap, 0, 0, pmap_width, pmap_height, AllPlanes, ZPixmap);
1122	if (result != NULL && !(background_flags & transpPmapTinted) && (flags & tintNeeded))
1123	{
1124	rgba c (rgba::MAX_CC,rgba::MAX_CC,rgba::MAX_CC);
1125	if (flags & tintSet)
1126	tint.get (c);
1127	ShadeXImage (target, result, shade, c.r, c.g, c.b);
1128	}
1129	}
1130	# endif /* HAVE_AFTERIMAGE */
1131
1132	if (result != NULL)
1133	{
1134	GC gc = XCreateGC (target->dpy, target->vt, 0UL, NULL);
1135	if (gc)
1136	{
1137	if (/*pmap_depth != target->depth &&*/ pixmap != None)
1138	{
1139	XFreePixmap (target->dpy, pixmap);
1140	pixmap = None;
1141	}
1142	if (pixmap == None)
1143	{
1144	pixmap = XCreatePixmap (target->dpy, target->vt, result->width, result->height, target->depth);
1145	pmap_width = result->width;
1146	pmap_height = result->height;
1147	pmap_depth = target->depth;
1148	}
1149	if (pmap_depth != result->depth)
1150	{ /* Bad Match error will ensue ! stupid X !!!! */
1151	if( result->depth == 24 && pmap_depth == 32)
1152	result->depth = 32;
1153	else if( result->depth == 32 && pmap_depth == 24)
1154	result->depth = 24;
1155	else
1156	{
1157	/* TODO: implement image recoding */
1158	}
1159	}
1160	if (pmap_depth == result->depth)
1161	XPutImage (target->dpy, pixmap, gc, result, 0, 0, 0, 0, result->width, result->height);
1162	XFreeGC (target->dpy, gc);
1163	flags = flags & ~isInvalid;
1164	}
1165	XDestroyImage (result);
1166	}
1167
1168	if (flags & isInvalid)
1169	{
1170	if (pixmap != None)
1171	{
1172	XFreePixmap (target->dpy, pixmap);
1173	pixmap = None;
1174	}
1175	}
1176
1177	apply ();
1178
1179	TIMING_TEST_PRINT_RESULT (tp);
1180
1181	return true;
1182	}
1183
1184	bool
1185	bgPixmap_t::set_target (rxvt_term *new_target)
1186	{
1187	if (new_target)
1188	if (target != new_target)
1189	{
1190	target = new_target;
1191	# ifdef ENABLE_TRANSPARENCY
1192	root_depth = DefaultDepthOfScreen (ScreenOfDisplay (target->dpy, target->display->screen));
1193	# endif
1194	return true;
1195	}
1196	return false;
1197	}
1198
1199	void
1200	bgPixmap_t::apply()
1201	{
1202	if (target)
1203	{
1204	flags &= ~isVtOrigin;
1205	if (pixmap != None)
1206	{ /* set target's background to pixmap */
1207	# ifdef ENABLE_TRANSPARENCY
1208	if (flags & isTransparent)
1209	{
1210	XSetWindowBackgroundPixmap (target->dpy, target->parent[0], pixmap);
1211	XSetWindowBackgroundPixmap (target->dpy, target->vt, ParentRelative);
1212	# if HAVE_SCROLLBARS
1213	if (target->scrollBar.win)
1214	XSetWindowBackgroundPixmap (target->dpy, target->scrollBar.win, ParentRelative);
1215	# endif
1216	}
1217	else
1218	# endif
1219	{
1220	flags |= isVtOrigin;
1221	/* force old pixmap dereference in case it was transparent before :*/
1222	XSetWindowBackground (target->dpy, target->parent[0], target->pix_colors[Color_border]);
1223	XSetWindowBackgroundPixmap (target->dpy, target->vt, pixmap);
1224	/* do we also need to set scrollbar's background here ? */
1225	# if HAVE_SCROLLBARS
1226	if (target->scrollBar.win)
1227	XSetWindowBackground (target->dpy, target->scrollBar.win, target->pix_colors[Color_border]);
1228	# endif
1229	}
1230	}	1020	}
1231	else	1021	else
1232	{ /* set target background to a pixel */	1022	#endif
1233	XSetWindowBackground (target->dpy, target->parent[0], target->pix_colors[Color_border]);	1023	recoded_root_pmap = None;
1234	XSetWindowBackground (target->dpy, target->vt, target->pix_colors[Color_bg]);	1024	}
1235	/* do we also need to set scrollbar's background here ? */	1025
1236	# if HAVE_SCROLLBARS	1026	if (recoded_root_pmap == None)
1237	if (target->scrollBar.win)	1027	return 0;
1238	XSetWindowBackground (target->dpy, target->scrollBar.win, target->pix_colors[Color_border]);	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)
		1059	{
		1060	if (blur_pixmap (bg_pixmap, visual, window_width, window_height, depth))
		1061	tr_flags &= ~BG_NEEDS_BLUR;
		1062	}
		1063	if (bg_flags & BG_NEEDS_TINT)
		1064	{
		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	}
1239	# endif	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;
1240	}	1132	}
1241	/* don't want Expose on the parent or vt. It is better to use	1133	}
1242	scr_touch or we get a great deal of flicker otherwise: */
1243	XClearWindow (target->dpy, target->parent[0]);
1244		1134
1245	# if HAVE_SCROLLBARS	1135	scr_recolour (false);
1246	if (target->scrollBar.win)	1136	bg_flags |= BG_NEEDS_REFRESH;
1247	{	1137
1248	target->scrollBar.setIdle ();	1138	bg_valid_since = ev::now ();
1249	target->scrollbar_show (0);	1139
1250	}	1140	return true;
		1141	}
		1142
		1143	void
		1144	rxvt_term::bg_init ()
		1145	{
		1146	#ifdef ENABLE_TRANSPARENCY
		1147	shade = 100;
1251	# endif	1148	#endif
1252		1149
1253	target->want_refresh = 1;	1150	bg_flags &= ~(BG_HAS_RENDER | BG_HAS_RENDER_CONV);
1254	flags |= hasChanged;	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)
1255	}	1157	{
1256	}	1158	for (int i = 0; i < filters->nfilter; i++)
		1159	if (!strcmp (filters->filter[i], FilterConvolution))
		1160	bg_flags |= BG_HAS_RENDER_CONV;
1257		1161
		1162	XFree (filters);
		1163	}
		1164	#endif
		1165	}
		1166
1258	#endif /* HAVE_BG_PIXMAP */	1167	#endif /* HAVE_BG_PIXMAP */
1259		1168
1260	#if defined(ENABLE_TRANSPARENCY) && !defined(HAVE_AFTERIMAGE) && !XFT	1169	#ifdef ENABLE_TRANSPARENCY
1261	/* taken from aterm-0.4.2 */	1170	/* based on code from aterm-0.4.2 */
1262		1171
1263	typedef uint32_t RUINT32T;
1264
1265	static void	1172	static inline void
1266	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)
		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)
1267	{	1186	{
1268	int sh_r, sh_g, sh_b;	1187	int sh_r, sh_g, sh_b;
1269	RUINT32T mask_r, mask_g, mask_b;	1188	uint32_t mask_r, mask_g, mask_b;
1270	RUINT32T *lookup, *lookup_r, *lookup_g, *lookup_b;	1189	uint32_t *lookup, *lookup_r, *lookup_g, *lookup_b;
1271	unsigned int lower_lim_r, lower_lim_g, lower_lim_b;	1190	unsigned short low;
1272	unsigned int upper_lim_r, upper_lim_g, upper_lim_b;	1191	int host_byte_order = ecb_big_endian () ? MSBFirst : LSBFirst;
1273	int i;
1274		1192
1275	Visual *visual = term->visual;
1276
1277	if (visual->c_class != TrueColor || srcImage->format != ZPixmap) return ;	1193	if (visual->c_class != TrueColor || ximage->format != ZPixmap) return;
1278
1279	if (shade == 0)
1280	shade = 100;
1281		1194
1282	/* for convenience */	1195	/* for convenience */
1283	mask_r = visual->red_mask;	1196	mask_r = visual->red_mask;
1284	mask_g = visual->green_mask;	1197	mask_g = visual->green_mask;
1285	mask_b = visual->blue_mask;	1198	mask_b = visual->blue_mask;
1286		1199
1287	/* boring lookup table pre-initialization */	1200	/* boring lookup table pre-initialization */
1288	switch (srcImage->bits_per_pixel) {	1201	switch (ximage->depth)
		1202	{
1289	case 15:	1203	case 15:
1290	if ((mask_r != 0x7c00) ||	1204	if ((mask_r != 0x7c00) ||
1291	(mask_g != 0x03e0) ||	1205	(mask_g != 0x03e0) ||
1292	(mask_b != 0x001f))	1206	(mask_b != 0x001f))
1293	return;	1207	return;
1294	lookup = (RUINT32T *) malloc (sizeof (RUINT32T)*(32+32+32));	1208	lookup = (uint32_t *) malloc (sizeof (uint32_t)*(32+32+32));
1295	lookup_r = lookup;	1209	lookup_r = lookup;
1296	lookup_g = lookup+32;	1210	lookup_g = lookup+32;
1297	lookup_b = lookup+32+32;	1211	lookup_b = lookup+32+32;
1298	sh_r = 10;	1212	sh_r = 10;
1299	sh_g = 5;	1213	sh_g = 5;
1300	sh_b = 0;	1214	sh_b = 0;
1301	break;	1215	break;
1302	case 16:	1216	case 16:
1303	if ((mask_r != 0xf800) ||	1217	if ((mask_r != 0xf800) ||
1304	(mask_g != 0x07e0) ||	1218	(mask_g != 0x07e0) ||
1305	(mask_b != 0x001f))	1219	(mask_b != 0x001f))
1306	return;	1220	return;
1307	lookup = (RUINT32T *) malloc (sizeof (RUINT32T)*(32+64+32));	1221	lookup = (uint32_t *) malloc (sizeof (uint32_t)*(32+64+32));
1308	lookup_r = lookup;	1222	lookup_r = lookup;
1309	lookup_g = lookup+32;	1223	lookup_g = lookup+32;
1310	lookup_b = lookup+32+64;	1224	lookup_b = lookup+32+64;
1311	sh_r = 11;	1225	sh_r = 11;
1312	sh_g = 5;	1226	sh_g = 5;
1313	sh_b = 0;	1227	sh_b = 0;
1314	break;	1228	break;
1315	case 24:	1229	case 24:
1316	if ((mask_r != 0xff0000) ||	1230	if ((mask_r != 0xff0000) ||
1317	(mask_g != 0x00ff00) ||	1231	(mask_g != 0x00ff00) ||
1318	(mask_b != 0x0000ff))	1232	(mask_b != 0x0000ff))
1319	return;	1233	return;
1320	lookup = (RUINT32T *) malloc (sizeof (RUINT32T)*(256+256+256));	1234	lookup = (uint32_t *) malloc (sizeof (uint32_t)*(256+256+256));
1321	lookup_r = lookup;	1235	lookup_r = lookup;
1322	lookup_g = lookup+256;	1236	lookup_g = lookup+256;
1323	lookup_b = lookup+256+256;	1237	lookup_b = lookup+256+256;
1324	sh_r = 16;	1238	sh_r = 16;
1325	sh_g = 8;	1239	sh_g = 8;
1326	sh_b = 0;	1240	sh_b = 0;
1327	break;	1241	break;
1328	case 32:	1242	case 32:
1329	if ((mask_r != 0xff0000) ||	1243	if ((mask_r != 0xff0000) ||
1330	(mask_g != 0x00ff00) ||	1244	(mask_g != 0x00ff00) ||
1331	(mask_b != 0x0000ff))	1245	(mask_b != 0x0000ff))
1332	return;	1246	return;
1333	lookup = (RUINT32T *) malloc (sizeof (RUINT32T)*(256+256+256));	1247	lookup = (uint32_t *) malloc (sizeof (uint32_t)*(256+256+256));
1334	lookup_r = lookup;	1248	lookup_r = lookup;
1335	lookup_g = lookup+256;	1249	lookup_g = lookup+256;
1336	lookup_b = lookup+256+256;	1250	lookup_b = lookup+256+256;
1337	sh_r = 16;	1251	sh_r = 16;
1338	sh_g = 8;	1252	sh_g = 8;
1339	sh_b = 0;	1253	sh_b = 0;
1340	break;	1254	break;
1341	default:	1255	default:
1342	return; /* we do not support this color depth */	1256	return; /* we do not support this color depth */
1343	}	1257	}
		1258
		1259	rgba c (rgba::MAX_CC, rgba::MAX_CC, rgba::MAX_CC);
		1260
		1261	if (bg_flags & BG_TINT_SET)
		1262	tint.get (c);
1344		1263
1345	/* prepare limits for color transformation (each channel is handled separately) */	1264	/* prepare limits for color transformation (each channel is handled separately) */
1346	if (shade < 0) {	1265	if (shade > 100)
1347	shade = -shade;
1348	if (shade < 0) shade = 0;
1349	if (shade > 100) shade = 100;
1350
1351	lower_lim_r = 65535-rm;
1352	lower_lim_g = 65535-gm;
1353	lower_lim_b = 65535-bm;
1354
1355	lower_lim_r = 65535-(unsigned int)(((RUINT32T)lower_lim_r)*((RUINT32T)shade)/100);
1356	lower_lim_g = 65535-(unsigned int)(((RUINT32T)lower_lim_g)*((RUINT32T)shade)/100);
1357	lower_lim_b = 65535-(unsigned int)(((RUINT32T)lower_lim_b)*((RUINT32T)shade)/100);
1358
1359	upper_lim_r = upper_lim_g = upper_lim_b = 65535;
1360	} else {
1361	if (shade < 0) shade = 0;
1362	if (shade > 100) shade = 100;
1363
1364	lower_lim_r = lower_lim_g = lower_lim_b = 0;
1365
1366	upper_lim_r = (unsigned int)((((RUINT32T)rm)*((RUINT32T)shade))/100);
1367	upper_lim_g = (unsigned int)((((RUINT32T)gm)*((RUINT32T)shade))/100);
1368	upper_lim_b = (unsigned int)((((RUINT32T)bm)*((RUINT32T)shade))/100);
1369	}
1370
1371	/* switch red and blue bytes if necessary, we need it for some weird XServers like XFree86 3.3.3.1 */
1372	if ((srcImage->bits_per_pixel == 24) && (mask_r >= 0xFF0000 ))
1373	{	1266	{
1374	unsigned int tmp;	1267	c.r = c.r * (200 - shade) / 100;
		1268	c.g = c.g * (200 - shade) / 100;
		1269	c.b = c.b * (200 - shade) / 100;
1375		1270
1376	tmp = lower_lim_r;	1271	low = 0xffff * (shade - 100) / 100;
1377	lower_lim_r = lower_lim_b;
1378	lower_lim_b = tmp;
1379
1380	tmp = upper_lim_r;
1381	upper_lim_r = upper_lim_b;
1382	upper_lim_b = tmp;
1383	}	1272	}
		1273	else
		1274	{
		1275	c.r = c.r * shade / 100;
		1276	c.g = c.g * shade / 100;
		1277	c.b = c.b * shade / 100;
		1278
		1279	low = 0;
		1280	}
1384		1281
1385	/* fill our lookup tables */	1282	/* fill our lookup tables */
1386	for (i = 0; i <= mask_r>>sh_r; i++)	1283	fill_lut (lookup_r, mask_r, sh_r, low, c.r);
1387	{	1284	fill_lut (lookup_g, mask_g, sh_g, low, c.g);
1388	RUINT32T tmp;	1285	fill_lut (lookup_b, mask_b, sh_b, low, c.b);
1389	tmp = ((RUINT32T)i)*((RUINT32T)(upper_lim_r-lower_lim_r));
1390	tmp += ((RUINT32T)(mask_r>>sh_r))*((RUINT32T)lower_lim_r);
1391	lookup_r[i] = (tmp/65535)<<sh_r;
1392	}
1393	for (i = 0; i <= mask_g>>sh_g; i++)
1394	{
1395	RUINT32T tmp;
1396	tmp = ((RUINT32T)i)*((RUINT32T)(upper_lim_g-lower_lim_g));
1397	tmp += ((RUINT32T)(mask_g>>sh_g))*((RUINT32T)lower_lim_g);
1398	lookup_g[i] = (tmp/65535)<<sh_g;
1399	}
1400	for (i = 0; i <= mask_b>>sh_b; i++)
1401	{
1402	RUINT32T tmp;
1403	tmp = ((RUINT32T)i)*((RUINT32T)(upper_lim_b-lower_lim_b));
1404	tmp += ((RUINT32T)(mask_b>>sh_b))*((RUINT32T)lower_lim_b);
1405	lookup_b[i] = (tmp/65535)<<sh_b;
1406	}
1407		1286
1408	/* apply table to input image (replacing colors by newly calculated ones) */	1287	/* apply table to input image (replacing colors by newly calculated ones) */
1409	switch (srcImage->bits_per_pixel)	1288	if (ximage->bits_per_pixel == 32
1410	{	1289	&& (ximage->depth == 24 || ximage->depth == 32)
1411	case 15:	1290	&& ximage->byte_order == host_byte_order)
1412	{
1413	unsigned short *p1, *pf, *p, *pl;
1414	p1 = (unsigned short *) srcImage->data;
1415	pf = (unsigned short *) (srcImage->data + srcImage->height * srcImage->bytes_per_line);
1416	while (p1 < pf)
1417	{	1291	{
1418	p = p1;	1292	char *line = ximage->data;
1419	pl = p1 + srcImage->width;	1293
1420	for (; p < pl; p++)	1294	for (int y = 0; y < ximage->height; y++)
1421	{	1295	{
		1296	uint32_t *p = (uint32_t *)line;
		1297	for (int x = 0; x < ximage->width; x++)
		1298	{
1422	*p = lookup_r[(*p & 0x7c00)>>10] |	1299	*p = lookup_r[(*p & 0xff0000) >> 16] |
1423	lookup_g[(*p & 0x03e0)>> 5] |	1300	lookup_g[(*p & 0x00ff00) >> 8] |
1424	lookup_b[(*p & 0x001f)];	1301	lookup_b[(*p & 0x0000ff)] |
		1302	(*p & 0xff000000);
		1303	p++;
		1304	}
		1305	line += ximage->bytes_per_line;
1425	}	1306	}
1426	p1 = (unsigned short *) ((char *) p1 + srcImage->bytes_per_line);
1427	}	1307	}
1428	break;	1308	else
1429	}
1430	case 16:
1431	{
1432	unsigned short *p1, *pf, *p, *pl;
1433	p1 = (unsigned short *) srcImage->data;
1434	pf = (unsigned short *) (srcImage->data + srcImage->height * srcImage->bytes_per_line);
1435	while (p1 < pf)
1436	{	1309	{
1437	p = p1;	1310	for (int y = 0; y < ximage->height; y++)
1438	pl = p1 + srcImage->width;	1311	for (int x = 0; x < ximage->width; x++)
1439	for (; p < pl; p++)
1440	{	1312	{
1441	*p = lookup_r[(*p & 0xf800)>>11] |	1313	unsigned long pixel = XGetPixel (ximage, x, y);
1442	lookup_g[(*p & 0x07e0)>> 5] |	1314	pixel = lookup_r[(pixel & mask_r) >> sh_r] |
1443	lookup_b[(*p & 0x001f)];	1315	lookup_g[(pixel & mask_g) >> sh_g] |
		1316	lookup_b[(pixel & mask_b) >> sh_b];
		1317	XPutPixel (ximage, x, y, pixel);
1444	}	1318	}
1445	p1 = (unsigned short *) ((char *) p1 + srcImage->bytes_per_line);
1446	}	1319	}
1447	break;
1448	}
1449	case 24:
1450	{
1451	unsigned char *p1, *pf, *p, *pl;
1452	p1 = (unsigned char *) srcImage->data;
1453	pf = (unsigned char *) (srcImage->data + srcImage->height * srcImage->bytes_per_line);
1454	while (p1 < pf)
1455	{
1456	p = p1;
1457	pl = p1 + srcImage->width * 3;
1458	for (; p < pl; p += 3)
1459	{
1460	p[0] = lookup_r[(p[0] & 0xff0000)>>16];
1461	p[1] = lookup_r[(p[1] & 0x00ff00)>> 8];
1462	p[2] = lookup_r[(p[2] & 0x0000ff)];
1463	}
1464	p1 = (unsigned char *) ((char *) p1 + srcImage->bytes_per_line);
1465	}
1466	break;
1467	}
1468	case 32:
1469	{
1470	RUINT32T *p1, *pf, *p, *pl;
1471	p1 = (RUINT32T *) srcImage->data;
1472	pf = (RUINT32T *) (srcImage->data + srcImage->height * srcImage->bytes_per_line);
1473
1474	while (p1 < pf)
1475	{
1476	p = p1;
1477	pl = p1 + srcImage->width;
1478	for (; p < pl; p++)
1479	{
1480	*p = lookup_r[(*p & 0xff0000)>>16] |
1481	lookup_g[(*p & 0x00ff00)>> 8] |
1482	lookup_b[(*p & 0x0000ff)] |
1483	(*p & ~0xffffff);
1484	}
1485	p1 = (RUINT32T *) ((char *) p1 + srcImage->bytes_per_line);
1486	}
1487	break;
1488	}
1489	}
1490		1320
1491	free (lookup);	1321	free (lookup);
1492	}	1322	}
1493	#endif /* defined(ENABLE_TRANSPARENCY) && !defined(HAVE_AFTERIMAGE) */	1323	#endif /* ENABLE_TRANSPARENCY */

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