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

Comparing rxvt-unicode/src/background.C (file contents):
Revision 1.2 by sasha, Wed Sep 12 21:06:08 2007 UTC vs.
Revision 1.234 by sf-exg, Thu Jun 7 09:21:18 2012 UTC

…		…
1	/----------------------------------------------------------------------	1	/----------------------------------------------------------------------
2	* File: background.C - former xmp.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) 2010-2012 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;
96	#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		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);
105		53
106	bool	54	XFreePixmap (dpy, pixmap);
107	bgPixmap_t::window_size_sensitive ()	55
108	{	56	return mask;
109	# ifdef BG_IMAGE_FROM_FILE	57	}
110	# ifdef HAVE_AFTERIMAGE
111	if (original_asim != NULL)
112	# endif
113	{
114	if (h_scale != 0 \|\| v_scale != 0
115	\|\| h_align != 0 \|\| v_align != 0)
116	return true;
117	}
118	# endif	58	# endif
		59
		60	void
		61	rxvt_term::bg_destroy ()
		62	{
		63	# if BG_IMAGE_FROM_FILE
		64	fimage.destroy ();
		65	# endif
		66
		67	if (bg_pixmap)
		68	XFreePixmap (dpy, bg_pixmap);
		69	}
		70
		71	bool
		72	rxvt_term::bg_set_position (int x, int y)
		73	{
		74
		75	if (target_x != x
		76	\|\| target_y != y)
		77	{
		78	target_x = x;
		79	target_y = y;
		80	return true;
		81	}
		82	return false;
		83	}
		84
		85	bool
		86	rxvt_term::bg_window_size_sensitive ()
		87	{
119	# ifdef ENABLE_TRANSPARENCY	88	# if ENABLE_TRANSPARENCY
120	if (flags & isTransparent)	89	if (bg_flags & BG_IS_TRANSPARENT)
121	return true;	90	return true;
122	# endif	91	# endif
		92
		93	# if BG_IMAGE_FROM_FILE
		94	if (fimage.flags & IM_IS_SET)
		95	{
		96	if ((fimage.flags & IM_IS_SIZE_SENSITIVE)
		97	\|\| fimage.width () > szHint.width
		98	\|\| fimage.height () > szHint.height)
		99	return true;
		100	}
		101	# endif
		102
123	return false;	103	return false;
124	}	104	}
125		105
126	bool bgPixmap_t::need_client_side_rendering ()	106	bool
		107	rxvt_term::bg_window_position_sensitive ()
127	{	108	{
128	# ifdef HAVE_AFTERIMAGE	109	# if ENABLE_TRANSPARENCY
129	if (original_asim != NULL)	110	if (bg_flags & BG_IS_TRANSPARENT)
130	return true;	111	return true;
131	# endif	112	# endif
132	# ifdef ENABLE_TRANSPARENCY	113
133	if (flags & isTransparent)	114	# if BG_IMAGE_FROM_FILE
		115	if (fimage.flags & IM_IS_SET)
134	{	116	{
135	if (((flags & blurNeeded) && !(flags & blurServerSide))	117	if (fimage.flags & IM_ROOT_ALIGN)
136	\|\| ((flags & tintNeeded) && !(flags & tintServerSide)))
137	return true;	118	return true;
138	}	119	}
139	# endif	120	# endif
		121
140	return false;	122	return false;
141	}	123	}
142		124
143	# ifdef BG_IMAGE_FROM_FILE	125	# if BG_IMAGE_FROM_FILE
144	static inline bool
145	check_set_scale_value (int geom_flags, int flag, unsigned int &scale, unsigned int new_value)
146	{
147	if (geom_flags & flag)
148	{
149	if (new_value > 1000)
150	new_value = 1000;
151	if (new_value != scale)
152	{
153	scale = new_value;
154	return true;
155	}
156	}
157	return false;
158	}
159
160	static inline bool
161	check_set_align_value (int geom_flags, int flag, int &align, int new_value)
162	{
163	if (geom_flags & flag)
164	{
165	if (new_value < -100)
166	new_value = -100;
167	else if (new_value > 200)
168	new_value = 200;
169	if (new_value != align)
170	{
171	align = new_value;
172	return true;
173	}
174	}
175	return false;
176	}
177
178	static inline int	126	static inline int
179	make_align_position (int align, int window_size, int image_size)	127	make_align_position (int align, int window_size, int image_size)
180	{	128	{
181	int diff = window_size - image_size;
182	int smaller = MIN (image_size,window_size);
183
184	if (align >= 0 && align <= 50)	129	if (align >= 0 && align <= 100)
185	return diff * align / 100;	130	return lerp (0, window_size - image_size, align);
186	else if (align > 50 && align <= 100)
187	return window_size - image_size - diff * (100 - align) / 100;
188	else if (align > 100 && align <= 200 )
189	return ((align - 100) * smaller / 100) + window_size - smaller;
190	else if (align > -100 && align < 0)	131	else if (align > 100)
191	return ((align + 100) * smaller / 100) - image_size;	132	return lerp (window_size - image_size, window_size, align - 100);
192	return 0;	133	else
		134	return lerp (-image_size, 0, align + 100);
193	}	135	}
194		136
195	static inline int	137	static inline int
196	make_clip_rectangle (int pos, int size, int target_size, int &dst_pos, int &dst_size)	138	make_clip_rectangle (int pos, int size, int target_size, int &dst_pos, int &dst_size)
197	{	139	{
198	int src_pos = 0;	140	int src_pos = 0;
199	dst_pos = 0;	141	dst_pos = pos;
200	dst_size = size;	142	dst_size = size;
201	if (pos < 0 && size > target_size)	143	if (pos < 0)
202	{	144	{
203	src_pos = -pos;	145	src_pos = -pos;
		146	dst_pos = 0;
204	dst_size += pos;	147	dst_size += pos;
205	}	148	}
206	else if (pos > 0)
207	dst_pos = pos;
208		149
209	if (dst_pos + dst_size > target_size)
210	dst_size = target_size - dst_pos;	150	min_it (dst_size, target_size - dst_pos);
211	return src_pos;	151	return src_pos;
212	}	152	}
213		153
214	bool	154	static void
215	bgPixmap_t::set_geometry (const char *geom)	155	parse_style (const char *style, int &x, int &y, unsigned int &w, unsigned int &h, uint8_t &flags)
216	{	156	{
		157	if (!strcasecmp (style, "tiled"))
		158	{
		159	flags = IM_TILE;
		160	w = h = noScale;
		161	x = y = 0;
		162	}
		163	else if (!strcasecmp (style, "aspect-stretched"))
		164	{
		165	flags = IM_KEEP_ASPECT;
		166	w = h = windowScale;
		167	x = y = centerAlign;
		168	}
		169	else if (!strcasecmp (style, "stretched"))
		170	{
		171	flags = 0;
		172	w = h = windowScale;
		173	x = y = centerAlign;
		174	}
		175	else if (!strcasecmp (style, "centered"))
		176	{
		177	flags = 0;
		178	w = h = noScale;
		179	x = y = centerAlign;
		180	}
		181	else if (!strcasecmp (style, "root-tiled"))
		182	{
		183	flags = IM_TILE\|IM_ROOT_ALIGN;
		184	w = h = noScale;
		185	x = y = 0;
		186	}
		187	}
		188
		189	bool
		190	rxvt_image::set_geometry (const char *geom, bool update)
		191	{
		192	bool changed = false;
217	int geom_flags = 0, changed = 0;	193	int geom_flags = 0;
218	int x = 0, y = 0;	194	int x = h_align;
		195	int y = v_align;
219	unsigned int w = 0, h = 0;	196	unsigned int w = h_scale;
220	unsigned int n;	197	unsigned int h = v_scale;
221	unsigned long new_flags = (flags & (~geometryFlags));	198	uint8_t new_flags = 0;
222	char *p;
223	# define MAXLEN_GEOM 256 /* could be longer then regular geometry string */
224		199
225	if (geom == NULL)	200	if (geom == NULL)
226	return false;	201	return false;
227		202
228	char str[MAXLEN_GEOM];	203	if (geom[0])
		204	{
		205	char **arr = rxvt_strsplit (':', geom);
229		206
230	while (isspace(*geom)) ++geom;	207	for (int i = 0; arr[i]; i++)
231	if ((p = strchr (geom, ';')) == NULL)	208	{
232	p = strchr (geom, '\0');	209	if (!strncasecmp (arr[i], "style=", 6))
		210	{
		211	parse_style (arr[i] + 6, x, y, w, h, new_flags);
		212	geom_flags = WidthValue\|HeightValue\|XValue\|YValue;
		213	}
		214	else if (!strcasecmp (arr[i], "op=tile"))
		215	new_flags \|= IM_TILE;
		216	else if (!strcasecmp (arr[i], "op=keep-aspect"))
		217	new_flags \|= IM_KEEP_ASPECT;
		218	else if (!strcasecmp (arr[i], "op=root-align"))
		219	new_flags \|= IM_ROOT_ALIGN;
233		220
234	n = (p - geom);	221	// deprecated
235	if (n < MAXLEN_GEOM)	222	else if (!strcasecmp (arr[i], "tile"))
		223	{
		224	new_flags \|= IM_TILE;
		225	w = h = noScale;
		226	geom_flags \|= WidthValue\|HeightValue;
		227	}
		228	else if (!strcasecmp (arr[i], "propscale"))
		229	{
		230	new_flags \|= IM_KEEP_ASPECT;
		231	w = h = windowScale;
		232	geom_flags \|= WidthValue\|HeightValue;
		233	}
		234	else if (!strcasecmp (arr[i], "hscale"))
		235	{
		236	new_flags \|= IM_TILE;
		237	w = windowScale;
		238	h = noScale;
		239	geom_flags \|= WidthValue\|HeightValue;
		240	}
		241	else if (!strcasecmp (arr[i], "vscale"))
		242	{
		243	new_flags \|= IM_TILE;
		244	h = windowScale;
		245	w = noScale;
		246	geom_flags \|= WidthValue\|HeightValue;
		247	}
		248	else if (!strcasecmp (arr[i], "scale"))
		249	{
		250	w = h = windowScale;
		251	geom_flags \|= WidthValue\|HeightValue;
		252	}
		253	else if (!strcasecmp (arr[i], "auto"))
		254	{
		255	w = h = windowScale;
		256	x = y = centerAlign;
		257	geom_flags \|= WidthValue\|HeightValue\|XValue\|YValue;
		258	}
		259	else if (!strcasecmp (arr[i], "root"))
		260	{
		261	new_flags \|= IM_TILE\|IM_ROOT_ALIGN;
		262	w = h = noScale;
		263	geom_flags \|= WidthValue\|HeightValue;
		264	}
		265
		266	else
		267	geom_flags \|= XParseGeometry (arr[i], &x, &y, &w, &h);
		268	} /* done parsing ops */
		269
		270	rxvt_free_strsplit (arr);
236	{	271	}
237	char *ops;
238	new_flags \|= geometrySet;
239		272
240	strncpy (str, geom, n);	273	new_flags \|= flags & ~IM_GEOMETRY_FLAGS;
241	str[n] = '\0';	274
242	if (str[0] == ':')	275	if (!update)
243	ops = &str[0];	276	{
244	else if (str[0] != 'x' && str[0] != 'X' && isalpha(str[0]))	277	if (!(geom_flags & XValue))
245	ops = &str[0];	278	x = y = defaultAlign;
		279	else if (!(geom_flags & YValue))
		280	y = x;
		281
		282	if (!(geom_flags & (WidthValue\|HeightValue)))
		283	w = h = defaultScale;
		284	else if (!(geom_flags & HeightValue))
		285	h = w;
		286	else if (!(geom_flags & WidthValue))
		287	w = h;
		288	}
		289
		290	clamp_it (x, -100, 200);
		291	clamp_it (y, -100, 200);
		292
		293	if (flags != new_flags
		294	\|\| h_scale != w
		295	\|\| v_scale != h
		296	\|\| h_align != x
		297	\|\| v_align != y)
		298	{
		299	flags = new_flags;
		300	h_scale = w;
		301	v_scale = h;
		302	h_align = x;
		303	v_align = y;
		304	changed = true;
		305	}
		306
		307	if (is_size_sensitive ())
		308	flags \|= IM_IS_SIZE_SENSITIVE;
		309	else
		310	flags &= ~IM_IS_SIZE_SENSITIVE;
		311
		312	return changed;
		313	}
		314
		315	void
		316	rxvt_term::get_image_geometry (rxvt_image &image, int &w, int &h, int &x, int &y)
		317	{
		318	int image_width = image.width ();
		319	int image_height = image.height ();
		320	int target_width = szHint.width;
		321	int target_height = szHint.height;
		322	int h_scale = min (image.h_scale, 32767 * 100 / target_width);
		323	int v_scale = min (image.v_scale, 32767 * 100 / target_height);
		324
		325	w = h_scale * target_width / 100;
		326	h = v_scale * target_height / 100;
		327
		328	if (image.flags & IM_KEEP_ASPECT)
		329	{
		330	float scale = (float)w / image_width;
		331	min_it (scale, (float)h / image_height);
		332	w = image_width * scale + 0.5;
		333	h = image_height * scale + 0.5;
		334	}
		335
		336	if (!w) w = image_width;
		337	if (!h) h = image_height;
		338
		339	if (image.flags & IM_ROOT_ALIGN)
		340	{
		341	x = -target_x;
		342	y = -target_y;
		343	}
		344	else
		345	{
		346	x = make_align_position (image.h_align, target_width, w);
		347	y = make_align_position (image.v_align, target_height, h);
		348	}
		349	}
		350
		351	# if HAVE_PIXBUF
		352	bool
		353	rxvt_term::pixbuf_to_pixmap (GdkPixbuf *pixbuf, Pixmap pixmap, GC gc,
		354	int src_x, int src_y, int dst_x, int dst_y,
		355	unsigned int width, unsigned int height, bool argb)
		356	{
		357	XImage *ximage;
		358	char *line;
		359	int width_r, width_g, width_b, width_a;
		360	int sh_r, sh_g, sh_b, sh_a;
		361	uint32_t red_mask, green_mask, blue_mask, alpha_mask;
		362	int rowstride;
		363	int channels;
		364	unsigned char *row;
		365
		366	if (visual->c_class != TrueColor)
		367	return false;
		368
		369	if (argb)
		370	{
		371	red_mask = 0xff << 16;
		372	green_mask = 0xff << 8;
		373	blue_mask = 0xff;
		374	alpha_mask = 0xff << 24;
		375	}
		376	else
		377	{
		378	red_mask = visual->red_mask;
		379	green_mask = visual->green_mask;
		380	blue_mask = visual->blue_mask;
		381	#if XRENDER
		382	XRenderPictFormat *format = XRenderFindVisualFormat (dpy, visual);
		383	if (format)
		384	alpha_mask = (uint32_t)format->direct.alphaMask << format->direct.alpha;
246	else	385	else
		386	#endif
		387	alpha_mask = 0;
		388	}
		389
		390	width_r = ecb_popcount32 (red_mask);
		391	width_g = ecb_popcount32 (green_mask);
		392	width_b = ecb_popcount32 (blue_mask);
		393	width_a = ecb_popcount32 (alpha_mask);
		394
		395	if (width_r > 8 \|\| width_g > 8 \|\| width_b > 8 \|\| width_a > 8)
		396	return false;
		397
		398	sh_r = ecb_ctz32 (red_mask);
		399	sh_g = ecb_ctz32 (green_mask);
		400	sh_b = ecb_ctz32 (blue_mask);
		401	sh_a = ecb_ctz32 (alpha_mask);
		402
		403	if (width > 32767 \|\| height > 32767)
		404	return false;
		405
		406	ximage = XCreateImage (dpy, visual, argb ? 32 : depth, ZPixmap, 0, 0,
		407	width, height, 32, 0);
		408	if (!ximage)
		409	return false;
		410
		411	if (height > INT_MAX / ximage->bytes_per_line
		412	\|\| !(ximage->data = (char )malloc (height ximage->bytes_per_line)))
		413	{
		414	XDestroyImage (ximage);
		415	return false;
		416	}
		417
		418	ximage->byte_order = ecb_big_endian () ? MSBFirst : LSBFirst;
		419
		420	rowstride = gdk_pixbuf_get_rowstride (pixbuf);
		421	channels = gdk_pixbuf_get_n_channels (pixbuf);
		422	row = gdk_pixbuf_get_pixels (pixbuf) + src_y * rowstride + src_x * channels;
		423	line = ximage->data;
		424
		425	rgba c (0, 0, 0);
		426
		427	if (channels == 4 && alpha_mask == 0)
		428	{
		429	pix_colors[Color_bg].get (c);
		430	c.r >>= 8;
		431	c.g >>= 8;
		432	c.b >>= 8;
		433	}
		434
		435	for (int y = 0; y < height; y++)
		436	{
		437	for (int x = 0; x < width; x++)
247	{	438	{
248	char *tmp;	439	unsigned char pixel = row + x channels;
249	ops = strchr (str, ':');	440	uint32_t value;
250	if (ops != NULL)	441	unsigned char r, g, b, a;
		442
		443	if (channels == 4)
251	{	444	{
252	for (tmp = ops-1; tmp >= str && isspace(*tmp); --tmp);
253	*(++tmp) = '\0';
254	if (ops == tmp) ++ops;
255	}
256	}
257
258	if (ops > str \|\| ops == NULL)
259	{
260	/* we have geometry string - let's handle it prior to applying ops */
261	geom_flags = XParseGeometry (str, &x, &y, &w, &h);
262
263	if ((geom_flags & XValue) && !(geom_flags & YValue))
264	{
265	y = x;	445	a = pixel[3];
266	geom_flags \|= YValue;	446	r = (pixel[0] * a + c.r * (0xff - a)) / 0xff;
267	}	447	g = (pixel[1] * a + c.g * (0xff - a)) / 0xff;
268		448	b = (pixel[2] * a + c.b * (0xff - a)) / 0xff;
269	if (flags & geometrySet)
270	{/* new geometry is an adjustment to the old one ! */
271	if ((geom_flags & WidthValue) && (geom_flags & HeightValue))
272	{
273	if (w == 0 && h != 0)
274	{
275	w = h_scale;
276	h = (v_scale * h) / 100;
277	}
278	else if (h == 0 && w != 0)
279	{
280	w = (h_scale * w) / 100;
281	h = v_scale;
282	}
283	}
284	if (geom_flags & XValue)
285	{
286	if (str[0] != '=')
287	{
288	y += v_align;
289	x += h_align;
290	}
291	}
292	}
293	else /* setting up geometry from scratch */
294	{
295	if (!(geom_flags & XValue))
296	{/* use default geometry - centered */
297	x = y = defaultAlign;
298	}
299	else if (!(geom_flags & YValue))
300	y = x;
301
302	if ((geom_flags & (WidthValue\|HeightValue)) == 0)
303	{/* use default geometry - scaled */
304	w = h = defaultScale;
305	}
306	else if (geom_flags & WidthValue)
307	{
308	if (!(geom_flags & HeightValue))
309	h = w;
310	}
311	else
312	w = h;
313	}
314	} /* done parsing geometry string */
315	else if (!(flags & geometrySet))
316	{ /* default geometry - scaled and centered */
317	x = y = defaultAlign;
318	w = h = defaultScale;
319	}
320
321	if (!(flags & geometrySet))
322	geom_flags \|= WidthValue\|HeightValue\|XValue\|YValue;
323
324	if (ops)
325	{
326	while (*ops)
327	{
328	while (ops == ':' \|\| isspace(ops)) ++ops;
329	# define CHECK_GEOM_OPS(op_str) (strncasecmp (ops, (op_str), sizeof(op_str)-1) == 0)
330	if (CHECK_GEOM_OPS("tile"))
331	{
332	w = h = 0;
333	geom_flags \|= WidthValue\|HeightValue;
334	}
335	else if (CHECK_GEOM_OPS("propscale"))
336	{
337	if (w == 0 && h == 0)
338	{
339	w = 100;
340	geom_flags \|= WidthValue;
341	}
342	new_flags \|= propScale;
343	}
344	else if (CHECK_GEOM_OPS("hscale"))
345	{
346	if (w == 0)
347	w = 100;
348	h = 0;
349	geom_flags \|= WidthValue\|HeightValue;
350	}
351	else if (CHECK_GEOM_OPS("vscale"))
352	{
353	if (h == 0)
354	h = 100;
355	w = 0;
356	geom_flags \|= WidthValue\|HeightValue;
357	}
358	else if (CHECK_GEOM_OPS("scale"))
359	{
360	if (h == 0)
361	h = 100;
362	if (w == 0)
363	w = 100;
364	geom_flags \|= WidthValue\|HeightValue;
365	}
366	else if (CHECK_GEOM_OPS("auto"))
367	{
368	w = h = 100;
369	x = y = 50;
370	geom_flags \|= WidthValue\|HeightValue\|XValue\|YValue;
371	}
372	# undef CHECK_GEOM_OPS
373	while (ops != ':' && ops != '\0') ++ops;
374	} /* done parsing ops */
375	}
376
377	if (check_set_scale_value (geom_flags, WidthValue, h_scale, w))
378	++changed;
379	if (check_set_scale_value (geom_flags, HeightValue, v_scale, h))
380	++changed;
381	if (check_set_align_value (geom_flags, XValue, h_align, x))
382	++changed;
383	if (check_set_align_value (geom_flags, YValue, v_align, y))
384	++changed;
385	}
386
387	if (new_flags != flags)
388	{
389	flags = new_flags;
390	changed++;
391	}
392	//fprintf( stderr, "flags = %lX, scale = %ux%u, align=%+d%+d\n",
393	// flags, h_scale, v_scale, h_align, v_align);
394	return (changed > 0);
395	}
396
397	# ifdef HAVE_AFTERIMAGE
398	bool
399	bgPixmap_t::render_asim (ASImage *background, ARGB32 background_tint)
400	{
401	if (target == NULL)
402	return false;
403
404	int target_width = (int)target->szHint.width;
405	int target_height = (int)target->szHint.height;
406	int new_pmap_width = target_width, new_pmap_height = target_height;
407	ASImage *result = NULL;
408
409	int x = 0;
410	int y = 0;
411	int w = h_scale * target_width / 100;
412	int h = v_scale * target_height / 100;
413
414	TIMING_TEST_START (asim);
415
416	if (original_asim)
417	{
418	x = make_align_position (h_align, target_width, w > 0 ? w : (int)original_asim->width);
419	y = make_align_position (v_align, target_height, h > 0 ? h : (int)original_asim->height);
420	}
421
422	if (original_asim == NULL
423	\|\| x >= target_width
424	\|\| y >= target_height
425	\|\| (w > 0 && x + w <= 0)
426	\|\| (h > 0 && y + h <= 0))
427	{
428	if (background)
429	{
430	new_pmap_width = background->width;
431	new_pmap_height = background->height;
432	result = background;
433	if (background_tint != TINT_LEAVE_SAME)
434	{
435	ASImage* tmp = tile_asimage (target->asv, background, 0, 0,
436	target_width, target_height, background_tint,
437	ASA_XImage, 100, ASIMAGE_QUALITY_DEFAULT);
438	if (tmp)
439	result = tmp;
440	}
441	}
442	else
443	new_pmap_width = new_pmap_height = 0;
444	}
445	else
446	{
447	result = original_asim;
448	if ((w > 0 && w != original_asim->width)
449	\|\| (h > 0 && h != original_asim->height))
450	{
451	result = scale_asimage (target->asv, original_asim,
452	w > 0 ? w : original_asim->width,
453	h > 0 ? h : original_asim->height,
454	background ? ASA_ASImage : ASA_XImage,
455	100, ASIMAGE_QUALITY_DEFAULT);
456	}
457	if (background == NULL)
458	{/* if tiling - pixmap has to be sized exactly as the image */
459	if (h_scale == 0)
460	new_pmap_width = result->width;
461	if (v_scale == 0)
462	new_pmap_height = result->height;
463	/* we also need to tile our image in one or both directions */
464	if (h_scale == 0 \|\| v_scale == 0)
465	{
466	ASImage *tmp = tile_asimage (target->asv, result,
467	(h_scale > 0) ? 0 : (int)result->width - x,
468	(v_scale > 0) ? 0 : (int)result->height - y,
469	result->width, result->height,
470	TINT_LEAVE_SAME, ASA_XImage,
471	100, ASIMAGE_QUALITY_DEFAULT);
472	if (tmp)
473	{
474	if (result != original_asim)
475	destroy_asimage (&result);
476	result = tmp;
477	}
478	}
479	}
480	else
481	{/* if blending background and image - pixmap has to be sized same as target window */
482	ASImageLayer *layers = create_image_layers (2);
483	ASImage *merged_im = NULL;
484
485	layers[0].im = background;
486	layers[0].clip_width = target_width;
487	layers[0].clip_height = target_height;
488	layers[0].tint = background_tint;
489	layers[1].im = result;
490	if (w <= 0)
491	{/* tile horizontally */
492	while (x > 0) x -= (int)result->width;
493	layers[1].dst_x = x;
494	layers[1].clip_width = result->width+target_width;
495	}
496	else
497	{/* clip horizontally */
498	layers[1].dst_x = x;
499	layers[1].clip_width = result->width;
500	}
501	if (h <= 0)
502	{
503	while (y > 0) y -= (int)result->height;
504	layers[1].dst_y = y;
505	layers[1].clip_height = result->height + target_height;
506	}	449	}
507	else	450	else
508	{	451	{
509	layers[1].dst_y = y;	452	a = 0xff;
510	layers[1].clip_height = result->height;	453	r = pixel[0];
		454	g = pixel[1];
		455	b = pixel[2];
511	}	456	}
512	if (target->rs[Rs_blendtype])	457
513	{	458	value = ((r >> (8 - width_r)) << sh_r)
514	layers[1].merge_scanlines = blend_scanlines_name2func (target->rs[Rs_blendtype]);	459	\| ((g >> (8 - width_g)) << sh_g)
515	if (layers[1].merge_scanlines == NULL)	460	\| ((b >> (8 - width_b)) << sh_b)
516	layers[1].merge_scanlines = alphablend_scanlines;	461	\| ((a >> (8 - width_a)) << sh_a);
		462
		463	if (ximage->bits_per_pixel == 32)
		464	((uint32_t *)line)[x] = value;
		465	else
		466	XPutPixel (ximage, x, y, value);
517	}	467	}
518	ASImage *tmp = merge_layers (target->asv, layers, 2, target_width, target_height,	468
519	ASA_XImage, 0, ASIMAGE_QUALITY_DEFAULT);	469	row += rowstride;
520	if (tmp)	470	line += ximage->bytes_per_line;
521	{	471	}
522	if (result != original_asim)	472
523	destroy_asimage (&result);	473	XPutImage (dpy, pixmap, gc, ximage, 0, 0, dst_x, dst_y, width, height);
524	result = tmp;	474	XDestroyImage (ximage);
525	}	475	return true;
526	free (layers);	476	}
		477
		478	bool
		479	rxvt_term::render_image (rxvt_image &image)
		480	{
		481	GdkPixbuf *pixbuf = image.pixbuf;
		482	if (!pixbuf)
		483	return false;
		484
		485	bool need_blend = bg_flags & BG_IS_VALID;
		486
		487	if (need_blend
		488	&& !(display->flags & DISPLAY_HAS_RENDER))
		489	return false;
		490
		491	GdkPixbuf *result;
		492
		493	int image_width = gdk_pixbuf_get_width (pixbuf);
		494	int image_height = gdk_pixbuf_get_height (pixbuf);
		495
		496	int target_width = szHint.width;
		497	int target_height = szHint.height;
		498	int new_pmap_width = target_width;
		499	int new_pmap_height = target_height;
		500
		501	int x = 0;
		502	int y = 0;
		503	int w = 0;
		504	int h = 0;
		505
		506	get_image_geometry (image, w, h, x, y);
		507
		508	if (!(image.flags & IM_ROOT_ALIGN)
		509	&& (x >= target_width
		510	\|\| y >= target_height
		511	\|\| x + w <= 0
		512	\|\| y + h <= 0))
		513	return false;
		514
		515	result = pixbuf;
		516
		517	if (w != image_width
		518	\|\| h != image_height)
		519	{
		520	result = gdk_pixbuf_scale_simple (pixbuf,
		521	w, h,
		522	GDK_INTERP_BILINEAR);
		523	}
		524
		525	if (!result)
		526	return false;
		527
		528	bool ret = false;
		529
		530	XGCValues gcv;
		531	GC gc;
		532	Pixmap tmp_pixmap;
		533
		534	image_width = gdk_pixbuf_get_width (result);
		535	image_height = gdk_pixbuf_get_height (result);
		536
		537	if (need_blend)
		538	tmp_pixmap = XCreatePixmap (dpy, vt, new_pmap_width, new_pmap_height, 32);
		539	else
		540	{
		541	if (image.flags & IM_TILE)
527	}	542	{
528	}	543	new_pmap_width = min (image_width, target_width);
529	TIMING_TEST_PRINT_RESULT (asim);	544	new_pmap_height = min (image_height, target_height);
		545	}
530		546
531	if (pixmap)	547	if (bg_pixmap == None
532	{
533	if (result == NULL
534	\|\| pmap_width != new_pmap_width	548	\|\| bg_pmap_width != new_pmap_width
535	\|\| pmap_height != new_pmap_height	549	\|\| bg_pmap_height != new_pmap_height)
536	\|\| pmap_depth != target->depth)
537	{
538	XFreePixmap (target->dpy, pixmap);
539	pixmap = None;
540	}	550	{
541	}	551	if (bg_pixmap)
542		552	XFreePixmap (dpy, bg_pixmap);
543	if (result)
544	{
545	XGCValues gcv;
546	GC gc;
547
548	/* create Pixmap */
549	if (pixmap == None)
550	{
551	pixmap = XCreatePixmap (target->dpy, target->vt, new_pmap_width, new_pmap_height, target->depth);	553	bg_pixmap = XCreatePixmap (dpy, vt, new_pmap_width, new_pmap_height, depth);
552	pmap_width = new_pmap_width;	554	bg_pmap_width = new_pmap_width;
553	pmap_height = new_pmap_height;	555	bg_pmap_height = new_pmap_height;
554	pmap_depth = target->depth;
555	}
556	/* fill with background color ( if result's not completely overlapping it)*/
557	gcv.foreground = target->pix_colors[Color_bg];
558	gc = XCreateGC (target->dpy, target->vt, GCForeground, &gcv);
559
560	int src_x = 0, src_y = 0, dst_x = 0, dst_y = 0;
561	int dst_width = result->width, dst_height = result->height;
562	if (background == NULL)
563	{	556	}
564	if (h_scale > 0)	557
		558	tmp_pixmap = bg_pixmap;
		559	}
		560
		561	gcv.foreground = pix_colors[Color_bg];
		562	gc = XCreateGC (dpy, tmp_pixmap, GCForeground, &gcv);
		563
		564	if (gc)
		565	{
		566	if (image.flags & IM_TILE)
		567	{
		568	Pixmap tile = XCreatePixmap (dpy, vt, image_width, image_height, need_blend ? 32 : depth);
		569	pixbuf_to_pixmap (result, tile, gc,
		570	0, 0,
		571	0, 0,
		572	image_width, image_height, need_blend);
		573
		574	gcv.tile = tile;
		575	gcv.fill_style = FillTiled;
		576	gcv.ts_x_origin = x;
		577	gcv.ts_y_origin = y;
		578	XChangeGC (dpy, gc, GCFillStyle \| GCTile \| GCTileStipXOrigin \| GCTileStipYOrigin, &gcv);
		579
		580	XFillRectangle (dpy, tmp_pixmap, gc, 0, 0, new_pmap_width, new_pmap_height);
		581	XFreePixmap (dpy, tile);
		582	}
		583	else
		584	{
		585	int src_x, src_y, dst_x, dst_y;
		586	int dst_width, dst_height;
		587
565	src_x = make_clip_rectangle (x, result->width, new_pmap_width, dst_x, dst_width);	588	src_x = make_clip_rectangle (x, image_width , new_pmap_width , dst_x, dst_width );
566	if (v_scale > 0)
567	src_y = make_clip_rectangle (y, result->height, new_pmap_height, dst_y, dst_height);	589	src_y = make_clip_rectangle (y, image_height, new_pmap_height, dst_y, dst_height);
568		590
569	if (dst_x > 0 \|\| dst_y > 0	591	if (dst_x > 0 \|\| dst_y > 0
570	\|\| dst_x + dst_width < new_pmap_width	592	\|\| dst_x + dst_width < new_pmap_width
571	\|\| dst_y + dst_height < new_pmap_height)	593	\|\| dst_y + dst_height < new_pmap_height)
572	{
573	XFillRectangle (target->dpy, pixmap, gc, 0, 0, new_pmap_width, new_pmap_height);	594	XFillRectangle (dpy, tmp_pixmap, gc, 0, 0, new_pmap_width, new_pmap_height);
574	}
575	}
576		595
577	/* put result on pixmap */
578	if (dst_x < new_pmap_width && dst_y < new_pmap_height)	596	if (dst_x < new_pmap_width && dst_y < new_pmap_height)
579	asimage2drawable (target->asv, pixmap, result, gc, src_x, src_y, dst_x, dst_y, dst_width, dst_height, True);	597	pixbuf_to_pixmap (result, tmp_pixmap, gc,
580		598	src_x, src_y,
581	if (result != background && result != original_asim)	599	dst_x, dst_y,
582	destroy_asimage (&result);	600	dst_width, dst_height, need_blend);
583
584	XFreeGC (target->dpy, gc);
585	TIMING_TEST_PRINT_RESULT (asim);
586	}
587
588	return true;
589	}
590	# endif /* HAVE_AFTERIMAGE */
591
592	bool
593	bgPixmap_t::set_file (const char *file)
594	{
595	char *f;
596
597	assert (file != NULL);
598
599	if (*file != '\0')
600	{
601	# ifdef HAVE_AFTERIMAGE
602	if (target->asimman == NULL)
603	target->asimman = create_generic_imageman (target->rs[Rs_path]);
604	if ((f = strchr (file, ';')) == NULL)
605	original_asim = get_asimage (target->asimman, file, 0xFFFFFFFF, 100);
606	else
607	{	601	}
608	size_t len = f - file;	602
609	f = (char *)malloc (len + 1);	603	if (image.need_blur ())
610	strncpy (f, file, len);	604	blur_pixmap (tmp_pixmap, new_pmap_width, new_pmap_height, need_blend, image.h_blurRadius, image.v_blurRadius);
611	f[len] = '\0';	605	if (image.need_tint ())
612	original_asim = get_asimage (target->asimman, f, 0xFFFFFFFF, 100);	606	tint_pixmap (tmp_pixmap, new_pmap_width, new_pmap_height, need_blend, image.tint, image.tint_set, image.shade);
613	free (f);	607
		608	#if XRENDER
		609	if (need_blend)
614	}	610	{
615	return (original_asim != NULL);	611	XRenderPictFormat *argb_format = XRenderFindStandardFormat (dpy, PictStandardARGB32);
		612	XRenderPictFormat *format = XRenderFindVisualFormat (dpy, visual);
		613
		614	Picture src = XRenderCreatePicture (dpy, tmp_pixmap, argb_format, 0, 0);
		615
		616	Picture dst = XRenderCreatePicture (dpy, bg_pixmap, format, 0, 0);
		617
		618	Picture mask = create_xrender_mask (dpy, vt, False, False);
		619
		620	XRenderColor mask_c;
		621
		622	mask_c.alpha = image.alpha;
		623	mask_c.red =
		624	mask_c.green =
		625	mask_c.blue = 0;
		626	XRenderFillRectangle (dpy, PictOpSrc, mask, &mask_c, 0, 0, 1, 1);
		627
		628	XRenderComposite (dpy, PictOpOver, src, mask, dst, 0, 0, 0, 0, 0, 0, target_width, target_height);
		629
		630	XRenderFreePicture (dpy, src);
		631	XRenderFreePicture (dpy, dst);
		632	XRenderFreePicture (dpy, mask);
		633	}
		634	#endif
		635
		636	XFreeGC (dpy, gc);
		637
		638	ret = true;
		639	}
		640
		641	if (result != pixbuf)
		642	g_object_unref (result);
		643
		644	if (need_blend)
		645	XFreePixmap (dpy, tmp_pixmap);
		646
		647	return ret;
		648	}
		649	# endif /* HAVE_PIXBUF */
		650
		651	rxvt_image::rxvt_image ()
		652	{
		653	alpha = 0xffff;
		654	flags = 0;
		655	h_scale =
		656	v_scale = defaultScale;
		657	h_align =
		658	v_align = defaultAlign;
		659
		660	# if HAVE_PIXBUF
		661	pixbuf = 0;
616	# endif	662	# endif
617	}	663	}
		664
		665	bool
		666	rxvt_image::set_file_geometry (const char *file)
		667	{
		668	if (!file \|\| !*file)
618	return false;	669	return false;
619	}
620		670
		671	const char *p = strchr (file, ';');
		672
		673	if (p)
		674	{
		675	size_t len = p - file;
		676	char *f = rxvt_temp_buf<char> (len + 1);
		677	memcpy (f, file, len);
		678	f[len] = '\0';
		679	file = f;
		680	}
		681
		682	bool ret = set_file (file);
		683	alpha = 0x8000;
		684	if (ret)
		685	set_geometry (p ? p + 1 : "");
		686	return ret;
		687	}
		688
		689	bool
		690	rxvt_image::set_file (const char *file)
		691	{
		692	bool ret = false;
		693
		694	# if HAVE_PIXBUF
		695	GdkPixbuf *image = gdk_pixbuf_new_from_file (file, NULL);
		696	if (image)
		697	{
		698	if (pixbuf)
		699	g_object_unref (pixbuf);
		700	pixbuf = image;
		701	ret = true;
		702	}
		703	# endif
		704
		705	if (ret)
		706	flags \|= IM_IS_SET;
		707
		708	return ret;
		709	}
		710
621	# endif /* BG_IMAGE_FROM_FILE */	711	# endif /* BG_IMAGE_FROM_FILE */
622		712
623	# ifdef ENABLE_TRANSPARENCY
624	bool	713	bool
625	bgPixmap_t::set_transparent ()
626	{
627	if (!(flags & isTransparent))
628	{
629	flags \|= isTransparent;
630	return true;
631	}
632	return false;
633	}
634
635	bool
636	bgPixmap_t::set_blur_radius (const char *geom)	714	image_effects::set_blur (const char *geom)
637	{	715	{
638	int changed = 0;	716	bool changed = false;
639	unsigned int hr, vr;	717	unsigned int hr, vr;
640	int junk;	718	int junk;
641	int geom_flags = XParseGeometry (geom, &junk, &junk, &hr, &vr);	719	int geom_flags = XParseGeometry (geom, &junk, &junk, &hr, &vr);
642		720
643	if (!(geom_flags&WidthValue))	721	if (!(geom_flags & WidthValue))
644	hr = 1;	722	hr = 1;
645	if (!(geom_flags&HeightValue))	723	if (!(geom_flags & HeightValue))
646	vr = hr;	724	vr = hr;
647		725
		726	min_it (hr, 128);
		727	min_it (vr, 128);
		728
648	if (h_blurRadius != hr)	729	if (h_blurRadius != hr)
649	{	730	{
650	++changed;	731	changed = true;
651	h_blurRadius = hr;	732	h_blurRadius = hr;
652	}	733	}
653		734
654	if (v_blurRadius != vr)	735	if (v_blurRadius != vr)
655	{	736	{
656	++changed;	737	changed = true;
657	v_blurRadius = vr;	738	v_blurRadius = vr;
658	}	739	}
659
660	if (v_blurRadius == 0 && h_blurRadius == 0)
661	flags &= ~blurNeeded;
662	else
663	flags \|= blurNeeded;
664		740
665	return (changed>0);	741	return changed;
666	}	742	}
667		743
668	static inline unsigned long	744	bool
669	compute_tint_shade_flags (rxvt_color *tint, int shade)	745	image_effects::set_tint (const rxvt_color &new_tint)
670	{	746	{
671	unsigned long flags = 0;	747	if (!tint_set \|\| tint != new_tint)
672	rgba c (rgba::MAX_CC,rgba::MAX_CC,rgba::MAX_CC);
673
674	if (tint)
675	{
676	tint->get (c);
677	# define IS_COMPONENT_WHOLESOME(cmp) ((cmp) <= 0x000700 \|\| (cmp) >= 0x00f700)
678	if (IS_COMPONENT_WHOLESOME (c.r)
679	&& IS_COMPONENT_WHOLESOME (c.g)
680	&& IS_COMPONENT_WHOLESOME (c.b))
681	flags \|= bgPixmap_t::tintWholesome;
682	# undef IS_COMPONENT_WHOLESOME
683	}
684
685	if ((shade > 0 && shade < 100) \|\| (shade > 100 && shade < 200))
686	flags \|= bgPixmap_t::tintNeeded;
687	else if (tint)
688	{
689	if ((c.r > 0x000700 \|\| c.g > 0x000700 \|\| c.b > 0x000700)
690	&& (c.r < 0x00f700 \|\| c.g < 0x00f700 \|\| c.b < 0x00f700))
691	{
692	flags \|= bgPixmap_t::tintNeeded;
693	}
694	}
695		748	{
696	if (flags & bgPixmap_t::tintNeeded)	749	tint = new_tint;
		750	tint_set = true;
		751
		752	return true;
697	{	753	}
698	if (flags & bgPixmap_t::tintWholesome)	754
699	flags \|= bgPixmap_t::tintServerSide;	755	return false;
700	#if XFT	756	}
701	flags \|= bgPixmap_t::tintServerSide;	757
		758	bool
		759	image_effects::set_shade (const char *shade_str)
		760	{
		761	int new_shade = atoi (shade_str);
		762
		763	clamp_it (new_shade, -100, 200);
		764	if (new_shade < 0)
		765	new_shade = 200 - (100 + new_shade);
		766
		767	if (new_shade != shade)
		768	{
		769	shade = new_shade;
		770	return true;
		771	}
		772
		773	return false;
		774	}
		775
		776	#if XRENDER
		777	static void
		778	get_gaussian_kernel (int radius, int width, double kernel, XFixed params)
		779	{
		780	double sigma = radius / 2.0;
		781	double scale = sqrt (2.0 * M_PI) * sigma;
		782	double sum = 0.0;
		783
		784	for (int i = 0; i < width; i++)
		785	{
		786	double x = i - width / 2;
		787	kernel[i] = exp (-(x * x) / (2.0 * sigma * sigma)) / scale;
		788	sum += kernel[i];
		789	}
		790
		791	params[0] = XDoubleToFixed (width);
		792	params[1] = XDoubleToFixed (1);
		793
		794	for (int i = 0; i < width; i++)
		795	params[i+2] = XDoubleToFixed (kernel[i] / sum);
		796	}
702	#endif	797	#endif
703	}
704		798
705	return flags;
706	}
707
708	bool	799	bool
709	bgPixmap_t::set_tint (rxvt_color &new_tint)	800	rxvt_term::blur_pixmap (Pixmap pixmap, int width, int height, bool argb, int h_blurRadius, int v_blurRadius)
710	{	801	{
711	if (tint != new_tint)	802	bool ret = false;
712	{	803	#if XRENDER
713	unsigned long new_flags = compute_tint_shade_flags (&new_tint, shade);	804	if (!(display->flags & DISPLAY_HAS_RENDER_CONV))
714	tint = new_tint;
715	flags = (flags & ~tintFlags) \| new_flags \| tintSet;
716	return true;
717	}
718	return false;	805	return false;
719	}
720		806
721	bool	807	int size = max (h_blurRadius, v_blurRadius) * 2 + 1;
722	bgPixmap_t::unset_tint ()	808	double kernel = (double )malloc (size * sizeof (double));
723	{	809	XFixed params = (XFixed )malloc ((size + 2) * sizeof (XFixed));
724	unsigned long new_flags = compute_tint_shade_flags (NULL, shade);
725		810
726	if (new_flags != (flags & tintFlags))	811	XRenderPictureAttributes pa;
		812	XRenderPictFormat *format = argb ? XRenderFindStandardFormat (dpy, PictStandardARGB32)
		813	: XRenderFindVisualFormat (dpy, visual);
		814
		815	pa.repeat = RepeatPad;
		816	Picture src = XRenderCreatePicture (dpy, pixmap, format, CPRepeat, &pa);
		817	Pixmap tmp = XCreatePixmap (dpy, pixmap, width, height, depth);
		818	Picture dst = XRenderCreatePicture (dpy, tmp, format, CPRepeat, &pa);
		819	XFreePixmap (dpy, tmp);
		820
		821	if (kernel && params)
727	{	822	{
728	flags = (flags&~tintFlags)\|new_flags;	823	size = h_blurRadius * 2 + 1;
		824	get_gaussian_kernel (h_blurRadius, size, kernel, params);
		825
		826	XRenderSetPictureFilter (dpy, src, FilterConvolution, params, size+2);
		827	XRenderComposite (dpy,
		828	PictOpSrc,
		829	src,
		830	None,
		831	dst,
		832	0, 0,
		833	0, 0,
		834	0, 0,
		835	width, height);
		836
		837	::swap (src, dst);
		838
		839	size = v_blurRadius * 2 + 1;
		840	get_gaussian_kernel (v_blurRadius, size, kernel, params);
		841	::swap (params[0], params[1]);
		842
		843	XRenderSetPictureFilter (dpy, src, FilterConvolution, params, size+2);
		844	XRenderComposite (dpy,
		845	PictOpSrc,
		846	src,
		847	None,
		848	dst,
		849	0, 0,
		850	0, 0,
		851	0, 0,
		852	width, height);
		853
729	return true;	854	ret = true;
730	}	855	}
		856
		857	free (kernel);
		858	free (params);
		859	XRenderFreePicture (dpy, src);
		860	XRenderFreePicture (dpy, dst);
		861	#endif
731	return false;	862	return ret;
732	}	863	}
733		864
734	bool	865	bool
735	bgPixmap_t::set_shade (const char *shade_str)	866	rxvt_term::tint_pixmap (Pixmap pixmap, int width, int height, bool argb, rxvt_color &tint, bool tint_set, int shade)
736	{	867	{
737	int new_shade = (shade_str) ? atoi (shade_str) : 0;	868	bool ret = false;
738		869
		870	rgba c (rgba::MAX_CC, rgba::MAX_CC, rgba::MAX_CC);
		871
		872	if (tint_set)
		873	tint.get (c);
		874
739	if (new_shade == 100)	875	if (shade == 100
740	new_shade = 0;	876	&& (c.r <= 0x00ff \|\| c.r >= 0xff00)
		877	&& (c.g <= 0x00ff \|\| c.g >= 0xff00)
		878	&& (c.b <= 0x00ff \|\| c.b >= 0xff00))
		879	{
		880	XGCValues gcv;
		881	GC gc;
741		882
742	if (new_shade != shade)	883	/* In this case we can tint image server-side getting significant
		884	* performance improvements, as we eliminate XImage transfer
		885	*/
		886	gcv.foreground = Pixel (tint);
		887	gcv.function = GXand;
		888	gcv.fill_style = FillSolid;
		889	gc = XCreateGC (dpy, pixmap, GCFillStyle \| GCForeground \| GCFunction, &gcv);
		890	if (gc)
		891	{
		892	XFillRectangle (dpy, pixmap, gc, 0, 0, width, height);
		893	ret = true;
		894	XFreeGC (dpy, gc);
		895	}
743	{	896	}
744	unsigned long new_flags = compute_tint_shade_flags ((flags & tintSet) ? &tint : NULL, new_shade);	897	# if XRENDER
745	shade = new_shade;	898	else if (display->flags & DISPLAY_HAS_RENDER)
746	flags = (flags & ~tintFlags) \| new_flags;	899	{
		900	if (shade <= 100)
		901	{
		902	c.r = c.r * shade / 100;
		903	c.g = c.g * shade / 100;
		904	c.b = c.b * shade / 100;
		905	}
		906	else
		907	{
		908	c.r = c.r * (200 - shade) / 100;
		909	c.g = c.g * (200 - shade) / 100;
		910	c.b = c.b * (200 - shade) / 100;
		911	}
		912
		913	XRenderPictFormat *format = argb ? XRenderFindStandardFormat (dpy, PictStandardARGB32)
		914	: XRenderFindVisualFormat (dpy, visual);
		915
		916	Picture back_pic = XRenderCreatePicture (dpy, pixmap, format, 0, 0);
		917
		918	Picture overlay_pic = create_xrender_mask (dpy, pixmap, True, False);
		919
		920	Picture mask_pic = create_xrender_mask (dpy, pixmap, True, True);
		921
		922	XRenderColor mask_c;
		923
		924	mask_c.alpha = 0xffff;
		925	mask_c.red =
		926	mask_c.green =
		927	mask_c.blue = 0;
		928	XRenderFillRectangle (dpy, PictOpSrc, overlay_pic, &mask_c, 0, 0, 1, 1);
		929
		930	mask_c.alpha = 0;
		931	mask_c.red = 0xffff - c.r;
		932	mask_c.green = 0xffff - c.g;
		933	mask_c.blue = 0xffff - c.b;
		934	XRenderFillRectangle (dpy, PictOpSrc, mask_pic, &mask_c, 0, 0, 1, 1);
		935
		936	XRenderComposite (dpy, PictOpOver, overlay_pic, mask_pic, back_pic, 0, 0, 0, 0, 0, 0, width, height);
		937
		938	if (shade > 100)
		939	{
		940	mask_c.alpha = 0;
		941	mask_c.red =
		942	mask_c.green =
		943	mask_c.blue = 0xffff * (shade - 100) / 100;
		944	XRenderFillRectangle (dpy, PictOpSrc, overlay_pic, &mask_c, 0, 0, 1, 1);
		945
		946	XRenderComposite (dpy, PictOpOver, overlay_pic, None, back_pic, 0, 0, 0, 0, 0, 0, width, height);
		947	}
		948
747	return true;	949	ret = true;
		950
		951	XRenderFreePicture (dpy, mask_pic);
		952	XRenderFreePicture (dpy, overlay_pic);
		953	XRenderFreePicture (dpy, back_pic);
748	}	954	}
		955	# endif
		956
749	return false;	957	return ret;
750	}	958	}
751		959
752	/* make_transparency_pixmap()	960	# if ENABLE_TRANSPARENCY
753	* Builds a pixmap sized the same as terminal window, with depth same as the root window	961	/*
		962	* Builds a pixmap of the same size as the terminal window that contains
754	* that pixmap contains tiled portion of the root pixmap that is supposed to be covered by	963	* the tiled portion of the root pixmap that is supposed to be covered by
755	* our window.	964	* our window.
756	*/	965	*/
757	unsigned long	966	bool
758	bgPixmap_t::make_transparency_pixmap ()	967	rxvt_term::render_root_image ()
759	{	968	{
760	unsigned long result = 0;	969	bool ret = false;
761		970
762	if (target == NULL)
763	return 0;
764
765	/* root dimentions may change from call to call - but Display structure should	971	/* root dimensions may change from call to call - but Display structure should
766	* be always up-to-date, so let's use it :	972	* be always up-to-date, so let's use it :
767	*/	973	*/
768	Window root = target->display->root;
769	int screen = target->display->screen;	974	int screen = display->screen;
770	Display *dpy = target->dpy;	975	int root_depth = DefaultDepth (dpy, screen);
771	int root_width = DisplayWidth (dpy, screen);	976	int root_width = DisplayWidth (dpy, screen);
772	int root_height = DisplayHeight (dpy, screen);	977	int root_height = DisplayHeight (dpy, screen);
773	unsigned int root_pmap_width, root_pmap_height;	978	unsigned int root_pmap_width, root_pmap_height;
774	int window_width = target->szHint.width;	979	int window_width = szHint.width;
775	int window_height = target->szHint.height;	980	int window_height = szHint.height;
776	int sx, sy;	981	int sx, sy;
777	XGCValues gcv;	982	XGCValues gcv;
		983	GC gc;
778		984
779	TIMING_TEST_START (tp);	985	sx = target_x;
780	target->get_window_origin (sx, sy);	986	sy = target_y;
781		987
782	/* check if we are outside of the visible part of the virtual screen : */	988	/* check if we are outside of the visible part of the virtual screen : */
783	if (sx + window_width <= 0 \|\| sy + window_height <= 0	989	if (sx + window_width <= 0 \|\| sy + window_height <= 0
784	\|\| sx >= root_width \|\| sy >= root_height)	990	\|\| sx >= root_width \|\| sy >= root_height)
785	return 0;	991	return 0;
786		992
		993	// validate root pixmap and get its size
787	if (root_pixmap != None)	994	if (root_pixmap != None)
788	{/* we want to validate the pixmap and get it's size at the same time : */	995	{
		996	Window wdummy;
789	int junk;	997	int idummy;
790	unsigned int ujunk;	998	unsigned int udummy;
791	/* root pixmap may be bad - allow a error */	999
792	target->allowedxerror = -1;	1000	allowedxerror = -1;
793		1001
794	if (!XGetGeometry (dpy, root_pixmap, &root, &junk, &junk, &root_pmap_width, &root_pmap_height, &ujunk, &ujunk))	1002	if (!XGetGeometry (dpy, root_pixmap, &wdummy, &idummy, &idummy, &root_pmap_width, &root_pmap_height, &udummy, &udummy))
795	root_pixmap = None;	1003	root_pixmap = None;
796		1004
797	target->allowedxerror = 0;	1005	allowedxerror = 0;
		1006	}
		1007
		1008	Pixmap recoded_root_pmap = root_pixmap;
		1009
		1010	if (root_pixmap != None && root_depth != depth)
798	}	1011	{
		1012	#if XRENDER
		1013	if (display->flags & DISPLAY_HAS_RENDER)
		1014	{
		1015	recoded_root_pmap = XCreatePixmap (dpy, vt, root_pmap_width, root_pmap_height, depth);
799		1016
800	Pixmap tiled_root_pmap = XCreatePixmap (dpy, root, window_width, window_height, root_depth);	1017	XRenderPictFormat *src_format = XRenderFindVisualFormat (dpy, DefaultVisual (dpy, screen));
801	GC gc = NULL;	1018	Picture src = XRenderCreatePicture (dpy, root_pixmap, src_format, 0, 0);
802		1019
803	if (tiled_root_pmap == None) /* something really bad happened - abort */	1020	XRenderPictFormat *dst_format = XRenderFindVisualFormat (dpy, visual);
		1021	Picture dst = XRenderCreatePicture (dpy, recoded_root_pmap, dst_format, 0, 0);
		1022
		1023	XRenderComposite (dpy, PictOpSrc, src, None, dst, 0, 0, 0, 0, 0, 0, root_pmap_width, root_pmap_height);
		1024
		1025	XRenderFreePicture (dpy, src);
		1026	XRenderFreePicture (dpy, dst);
		1027	}
		1028	else
		1029	#endif
		1030	recoded_root_pmap = None;
		1031	}
		1032
		1033	if (recoded_root_pmap == None)
804	return 0;	1034	return 0;
805		1035
806	if (root_pixmap == None)	1036	if (bg_pixmap == None
807	{ /* use tricks to obtain the root background image :*/	1037	\|\| bg_pmap_width != window_width
808	/* we want to create Overrideredirect window overlapping out window	1038	\|\| bg_pmap_height != window_height)
809	with background type of Parent Relative and then grab it */	1039	{
810	XSetWindowAttributes attr;	1040	if (bg_pixmap)
811	Window src;	1041	XFreePixmap (dpy, bg_pixmap);
812	bool success = false;	1042	bg_pixmap = XCreatePixmap (dpy, vt, window_width, window_height, depth);
		1043	bg_pmap_width = window_width;
		1044	bg_pmap_height = window_height;
		1045	}
813		1046
814	attr.background_pixmap = ParentRelative;	1047	/* straightforward pixmap copy */
815	attr.backing_store = Always;	1048	while (sx < 0) sx += root_pmap_width;
816	attr.event_mask = ExposureMask;	1049	while (sy < 0) sy += root_pmap_height;
817	attr.override_redirect = True;
818	src = XCreateWindow (dpy, root, sx, sy, window_width, window_height, 0,
819	CopyFromParent, CopyFromParent, CopyFromParent,
820	CWBackPixmap\|CWBackingStore\|CWOverrideRedirect\|CWEventMask,
821	&attr);
822		1050
823	if (src != None)	1051	gcv.tile = recoded_root_pmap;
		1052	gcv.fill_style = FillTiled;
		1053	gcv.ts_x_origin = -sx;
		1054	gcv.ts_y_origin = -sy;
		1055	gc = XCreateGC (dpy, vt, GCFillStyle \| GCTile \| GCTileStipXOrigin \| GCTileStipYOrigin, &gcv);
		1056
		1057	if (gc)
		1058	{
		1059	XFillRectangle (dpy, bg_pixmap, gc, 0, 0, window_width, window_height);
		1060	ret = true;
		1061	bool need_blur = root_effects.need_blur ();
		1062	bool need_tint = root_effects.need_tint ();
		1063
		1064	if (need_blur)
		1065	{
		1066	if (blur_pixmap (bg_pixmap, window_width, window_height, false,
		1067	root_effects.h_blurRadius, root_effects.v_blurRadius))
		1068	need_blur = false;
824	{	1069	}
825	XEvent event;	1070	if (need_tint)
826	int ev_count = 0;	1071	{
827	XGrabServer (dpy);	1072	if (tint_pixmap (bg_pixmap, window_width, window_height, false,
828	XMapRaised (dpy, src);	1073	root_effects.tint, root_effects.tint_set, root_effects.shade))
829	XSync (dpy, False);	1074	need_tint = false;
830		1075	}
831	/* XSync should get window where it's properly exposed,	1076	if (need_tint)
832	* but to be on the safe side - let's check for the actuall event to arrive : */	1077	{
833	while (XCheckWindowEvent (dpy, src, ExposureMask, &event))	1078	XImage *ximage = XGetImage (dpy, bg_pixmap, 0, 0, bg_pmap_width, bg_pmap_height, AllPlanes, ZPixmap);
834	++ev_count;
835
836	if (ev_count > 0);
837	{ /* hooray! - we can grab the image! */
838	gc = XCreateGC (dpy, root, 0, NULL);
839	if (gc)	1079	if (ximage)
840	{	1080	{
841	XCopyArea (dpy, src, tiled_root_pmap, gc, 0, 0, window_width, window_height, 0, 0);	1081	/* our own client-side tinting */
842	success = true;	1082	tint_ximage (ximage, root_effects.tint, root_effects.tint_set, root_effects.shade);
843	}	1083
		1084	XPutImage (dpy, bg_pixmap, gc, ximage, 0, 0, 0, 0, ximage->width, ximage->height);
		1085	XDestroyImage (ximage);
844	}	1086	}
845	XDestroyWindow (dpy, src);
846	XUngrabServer (dpy);
847	//fprintf (stderr, "%s:%d: ev_count = %d\n", __FUNCTION__, __LINE__, ev_count);
848	}
849
850	if (!success)
851	{
852	XFreePixmap (dpy, tiled_root_pmap);
853	tiled_root_pmap = None;
854	}	1087	}
855	else
856	result \|= transpPmapTiled;
857	}
858	else
859	{/* strightforward pixmap copy */
860	gcv.tile = root_pixmap;
861	gcv.fill_style = FillTiled;
862		1088
863	while (sx < 0) sx += (int)window_width;
864	while (sy < 0) sy += (int)window_height;
865
866	gcv.ts_x_origin = -sx;
867	gcv.ts_y_origin = -sy;
868	gc = XCreateGC (dpy, root, GCFillStyle \| GCTile \| GCTileStipXOrigin \| GCTileStipYOrigin, &gcv);
869
870	if (gc)
871	{
872	XFillRectangle (dpy, tiled_root_pmap, gc, 0, 0, window_width, window_height);
873	result \|= transpPmapTiled;
874	}
875	}
876	TIMING_TEST_PRINT_RESULT (tp);
877
878	if (tiled_root_pmap != None)
879	{
880	if (!need_client_side_rendering ())
881	{
882	if ((flags & tintNeeded))
883	{
884	if (flags & tintWholesome)
885	{
886	/* In this case we can tint image server-side getting significant
887	* performance improvements, as we eliminate XImage transfer
888	*/
889	gcv.foreground = Pixel (tint);
890	gcv.function = GXand;
891	gcv.fill_style = FillSolid;
892	if (gc)
893	XChangeGC (dpy, gc, GCFillStyle \| GCForeground \| GCFunction, &gcv);
894	else
895	gc = XCreateGC (dpy, root, GCFillStyle \| GCForeground \| GCFunction, &gcv);
896	if (gc)
897	{
898	XFillRectangle (dpy, tiled_root_pmap, gc, 0, 0, window_width, window_height);
899	result \|= transpPmapTinted;
900	}
901	}
902	else
903	{
904	# if XFT
905	Picture back_pic = 0;
906	rgba c (rgba::MAX_CC,rgba::MAX_CC,rgba::MAX_CC);
907
908	if (flags & tintSet)
909	tint.get (c);
910
911	if (shade > 0 && shade < 100)
912	{
913	c.r = (c.r * shade) / 100;
914	c.g = (c.g * shade) / 100;
915	c.b = (c.b * shade) / 100;
916	}
917	else if( shade > 100 && shade < 200)
918	{
919	c.r = (c.r * (200 - shade)) / 100;
920	c.g = (c.g * (200 - shade)) / 100;
921	c.b = (c.b * (200 - shade)) / 100;
922	}
923
924	XRenderPictFormat pf;
925	pf.type = PictTypeDirect;
926	pf.depth = 32;
927	pf.direct.redMask = 0xff;
928	pf.direct.greenMask = 0xff;
929	pf.direct.blueMask = 0xff;
930	pf.direct.alphaMask = 0xff;
931
932	XRenderPictFormat *solid_format = XRenderFindFormat (dpy,
933	(PictFormatType\|
934	PictFormatDepth\|
935	PictFormatRedMask\|
936	PictFormatGreenMask\|
937	PictFormatBlueMask\|
938	PictFormatAlphaMask),
939	&pf,
940	0);
941	XRenderPictFormat *root_format = XRenderFindVisualFormat (dpy, DefaultVisualOfScreen (ScreenOfDisplay (dpy, target->display->screen)));
942	XRenderPictureAttributes pa ;
943
944	back_pic = XRenderCreatePicture (dpy, tiled_root_pmap, root_format, 0, &pa);
945
946	pa.repeat = True;
947
948	Pixmap overlay_pmap = XCreatePixmap (dpy, root, 1, 1, 32);
949	Picture overlay_pic = XRenderCreatePicture (dpy, overlay_pmap, solid_format, CPRepeat, &pa);
950	XFreePixmap (dpy, overlay_pmap);
951
952	pa.component_alpha = True;
953	Pixmap mask_pmap = XCreatePixmap (dpy, root, 1, 1, 32);
954	Picture mask_pic = XRenderCreatePicture (dpy, mask_pmap, solid_format, CPRepeat\|CPComponentAlpha, &pa);
955	XFreePixmap (dpy, mask_pmap);
956
957	if (mask_pic && overlay_pic && back_pic)
958	{
959	XRenderColor mask_c;
960
961	memset (&mask_c, (shade > 100) ? 0xFF : 0x0, sizeof (mask_c));
962	mask_c.alpha = 0xffff;
963	XRenderFillRectangle (dpy, PictOpSrc, overlay_pic, &mask_c, 0, 0, 1, 1);
964	memset (&mask_c, 0x0, sizeof (mask_c));
965	mask_c.alpha = 0;
966
967	if (c.r == c.b && c.b == c.g) /* pure shading */
968	{
969	mask_c.red = mask_c.green = mask_c.blue = 0xffff - c.r;
970	XRenderFillRectangle (dpy, PictOpSrc, mask_pic, &mask_c, 0, 0, 1, 1);
971	XRenderComposite (dpy, PictOpOver, overlay_pic, mask_pic, back_pic, 0, 0, 0, 0, 0, 0, window_width, window_height);
972	}
973	else
974	{
975	mask_c.red = 0xffff - c.r;
976	XRenderFillRectangle (dpy, PictOpSrc, mask_pic, &mask_c, 0, 0, 1, 1);
977	XRenderComposite (dpy, PictOpOver, overlay_pic, mask_pic, back_pic, 0, 0, 0, 0, 0, 0, window_width, window_height);
978	mask_c.red = 0;
979	mask_c.green = 0xffff - c.g;
980	XRenderFillRectangle (dpy, PictOpSrc, mask_pic, &mask_c, 0, 0, 1, 1);
981	XRenderComposite (dpy, PictOpOver, overlay_pic, mask_pic, back_pic, 0, 0, 0, 0, 0, 0, window_width, window_height);
982	mask_c.green = 0;
983	mask_c.blue = 0xffff - c.b;
984	XRenderFillRectangle (dpy, PictOpSrc, mask_pic, &mask_c, 0, 0, 1, 1);
985	XRenderComposite (dpy, PictOpOver, overlay_pic, mask_pic, back_pic, 0, 0, 0, 0, 0, 0, window_width, window_height);
986	}
987	result \|= transpPmapTinted;
988	}
989	XRenderFreePicture (dpy, mask_pic);
990	XRenderFreePicture (dpy, overlay_pic);
991	XRenderFreePicture (dpy, back_pic);
992	# if DO_TIMING_TEST
993	XSync (dpy, False);
994	# endif
995	# endif
996	}
997	}
998	} /* server side rendering completed */
999
1000	if (pixmap)
1001	XFreePixmap (dpy, pixmap);
1002
1003	pixmap = tiled_root_pmap;
1004	pmap_width = window_width;
1005	pmap_height = window_height;
1006	pmap_depth = root_depth;
1007	}
1008
1009	if (gc)
1010	XFreeGC (dpy, gc);	1089	XFreeGC (dpy, gc);
1011
1012	TIMING_TEST_PRINT_RESULT (tp);
1013		1090	}
		1091
		1092	if (recoded_root_pmap != root_pixmap)
		1093	XFreePixmap (dpy, recoded_root_pmap);
		1094
1014	return result;	1095	return ret;
1015	}	1096	}
1016		1097
1017	bool	1098	void
1018	bgPixmap_t::set_root_pixmap ()	1099	rxvt_term::bg_set_root_pixmap ()
1019	{	1100	{
1020	Pixmap new_root_pixmap = None;
1021
1022	new_root_pixmap = target->get_pixmap_property (XA_XROOTPMAP_ID);	1101	Pixmap new_root_pixmap = display->get_pixmap_property (xa[XA_XROOTPMAP_ID]);
1023	if (new_root_pixmap == None)	1102	if (new_root_pixmap == None)
1024	new_root_pixmap = target->get_pixmap_property (XA_ESETROOT_PMAP_ID);	1103	new_root_pixmap = display->get_pixmap_property (xa[XA_ESETROOT_PMAP_ID]);
1025		1104
1026	if (new_root_pixmap != root_pixmap)
1027	{
1028	root_pixmap = new_root_pixmap;	1105	root_pixmap = new_root_pixmap;
1029	return true;
1030	}
1031	return false;
1032	}	1106	}
1033	# endif /* ENABLE_TRANSPARENCY */	1107	# endif /* ENABLE_TRANSPARENCY */
1034		1108
1035	# ifndef HAVE_AFTERIMAGE	1109	void
1036	static void ShadeXImage(rxvt_term term, XImage srcImage, int shade, int rm, int gm, int bm);	1110	rxvt_term::bg_render ()
		1111	{
		1112	bg_invalidate ();
		1113	# if ENABLE_TRANSPARENCY
		1114	if (bg_flags & BG_IS_TRANSPARENT)
		1115	{
		1116	/* we need to re-generate transparency pixmap in that case ! */
		1117	if (render_root_image ())
		1118	bg_flags \|= BG_IS_VALID;
		1119	}
1037	# endif	1120	# endif
1038		1121
1039		1122	# if BG_IMAGE_FROM_FILE
1040	bool	1123	if (fimage.flags & IM_IS_SET)
1041	bgPixmap_t::render ()
1042	{
1043	unsigned long background_flags = 0;
1044
1045	if (target == NULL)
1046	return false;
1047
1048	invalidate();
1049	# ifdef ENABLE_TRANSPARENCY
1050	if (flags & isTransparent)
1051	{	1124	{
1052	/* we need to re-generate transparency pixmap in that case ! */	1125	if (render_image (fimage))
1053	background_flags = make_transparency_pixmap ();	1126	bg_flags \|= BG_IS_VALID;
1054	if (background_flags == 0)
1055	return false;
1056	else if ((background_flags & transpTransformations) == (flags & transpTransformations)
1057	&& pmap_depth == target->depth)
1058	flags = flags & ~isInvalid;
1059	}	1127	}
1060	# endif	1128	# endif
1061		1129
1062	XImage *result = NULL;	1130	if (!(bg_flags & BG_IS_VALID))
1063	# ifdef HAVE_AFTERIMAGE
1064	if (original_asim
1065	\|\| (background_flags & transpTransformations) != (flags & transpTransformations))
1066	{
1067	ASImage *background = NULL;
1068	ARGB32 as_tint = TINT_LEAVE_SAME;
1069	if (background_flags)
1070	background = pixmap2ximage (target->asv, pixmap, 0, 0, pmap_width, pmap_height, AllPlanes, 100);
1071
1072	# ifdef ENABLE_TRANSPARENCY
1073	if (!(background_flags & transpPmapTinted) && (flags & tintNeeded))
1074	{
1075	ShadingInfo as_shade;
1076	as_shade.shading = (shade == 0) ? 100 : shade;
1077
1078	rgba c (rgba::MAX_CC,rgba::MAX_CC,rgba::MAX_CC);
1079	if (flags & tintSet)
1080	tint.get (c);
1081	as_shade.tintColor.red = c.r;
1082	as_shade.tintColor.green = c.g;
1083	as_shade.tintColor.blue = c.b;
1084
1085	as_tint = shading2tint32 (&as_shade);
1086	}
1087	if (!(background_flags & transpPmapBlured) && (flags & blurNeeded) && background != NULL)
1088	{
1089	ASImage* tmp = blur_asimage_gauss (target->asv, background, h_blurRadius, v_blurRadius, 0xFFFFFFFF,
1090	(original_asim == NULL \|\| tint == TINT_LEAVE_SAME)?ASA_XImage:ASA_ASImage,
1091	100, ASIMAGE_QUALITY_DEFAULT);
1092	if (tmp)
1093	{
1094	destroy_asimage (&background);
1095	background = tmp;
1096	}
1097	}
1098	# endif
1099
1100	if (render_asim (background, as_tint))
1101	flags = flags & ~isInvalid;
1102	if (background)
1103	destroy_asimage (&background);
1104	}	1131	{
1105	else if (background_flags && pmap_depth != target->depth)
1106	{
1107	result = XGetImage (target->dpy, pixmap, 0, 0, pmap_width, pmap_height, AllPlanes, ZPixmap);
1108	}
1109	# else /* our own client-side tinting */
1110	if (background_flags && (flags & isInvalid))
1111	{
1112	result = XGetImage (target->dpy, pixmap, 0, 0, pmap_width, pmap_height, AllPlanes, ZPixmap);
1113	if (result != NULL && !(background_flags & transpPmapTinted) && (flags & tintNeeded))
1114	{
1115	rgba c (rgba::MAX_CC,rgba::MAX_CC,rgba::MAX_CC);
1116	if (flags & tintSet)
1117	tint.get (c);
1118	ShadeXImage (target, result, shade, c.r, c.g, c.b);
1119	}
1120	}
1121	# endif /* HAVE_AFTERIMAGE */
1122
1123	if (result != NULL)
1124	{
1125	GC gc = XCreateGC (target->dpy, target->vt, 0UL, NULL);
1126	if (gc)
1127	{
1128	if (/pmap_depth != target->depth &&/ pixmap != None)
1129	{
1130	XFreePixmap (target->dpy, pixmap);
1131	pixmap = None;
1132	}
1133	if (pixmap == None)
1134	{
1135	pixmap = XCreatePixmap (target->dpy, target->vt, result->width, result->height, target->depth);
1136	pmap_width = result->width;
1137	pmap_height = result->height;
1138	pmap_depth = target->depth;
1139	}
1140	if (pmap_depth != result->depth)
1141	{ /* Bad Match error will ensue ! stupid X !!!! */
1142	if( result->depth == 24 && pmap_depth == 32)
1143	result->depth = 32;
1144	else if( result->depth == 32 && pmap_depth == 24)
1145	result->depth = 24;
1146	else
1147	{
1148	/* TODO: implement image recoding */
1149	}
1150	}
1151	if (pmap_depth == result->depth)
1152	XPutImage (target->dpy, pixmap, gc, result, 0, 0, 0, 0, result->width, result->height);
1153	XFreeGC (target->dpy, gc);
1154	flags = flags & ~isInvalid;
1155	}
1156	XDestroyImage (result);
1157	}
1158
1159	if (flags & isInvalid)
1160	{
1161	if (pixmap != None)	1132	if (bg_pixmap != None)
1162	{	1133	{
1163	XFreePixmap (target->dpy, pixmap);	1134	XFreePixmap (dpy, bg_pixmap);
1164	pixmap = None;	1135	bg_pixmap = None;
1165	}
1166	}
1167
1168	apply ();
1169
1170	return true;
1171	}
1172
1173	bool
1174	bgPixmap_t::set_target (rxvt_term *new_target)
1175	{
1176	if (new_target)
1177	if (target != new_target)
1178	{
1179	target = new_target;
1180	# ifdef ENABLE_TRANSPARENCY
1181	root_depth = DefaultDepthOfScreen (ScreenOfDisplay (target->dpy, target->display->screen));
1182	# endif
1183	return true;
1184	}	1136	}
1185	return false;	1137	}
		1138
		1139	scr_recolour (false);
		1140	bg_flags \|= BG_NEEDS_REFRESH;
		1141
		1142	bg_valid_since = ev::now ();
1186	}	1143	}
1187		1144
1188	void	1145	void
1189	bgPixmap_t::apply()	1146	rxvt_term::bg_init ()
1190	{	1147	{
1191	if (target)	1148	#if BG_IMAGE_FROM_FILE
		1149	if (rs[Rs_backgroundPixmap])
		1150	{
		1151	if (fimage.set_file_geometry (rs[Rs_backgroundPixmap])
		1152	&& !bg_window_position_sensitive ())
		1153	update_background ();
1192	{	1154	}
1193	flags &= ~isVtOrigin;
1194	if (pixmap != None)
1195	{ /* set target's background to pixmap */
1196	# ifdef ENABLE_TRANSPARENCY
1197	if (flags & isTransparent)
1198	{
1199	XSetWindowBackgroundPixmap (target->dpy, target->parent[0], pixmap);
1200	XSetWindowBackgroundPixmap (target->dpy, target->vt, ParentRelative);
1201	# if HAVE_SCROLLBARS
1202	if (target->scrollBar.win)
1203	XSetWindowBackgroundPixmap (target->dpy, target->scrollBar.win, ParentRelative);
1204	# endif
1205	}
1206	else
1207	# endif	1155	#endif
1208	{
1209	flags \|= isVtOrigin;
1210	/* force old pixmap dereference in case it was transparent before :*/
1211	XSetWindowBackground (target->dpy, target->parent[0], target->pix_colors[Color_border]);
1212	XSetWindowBackgroundPixmap (target->dpy, target->vt, pixmap);
1213	/* do we also need to set scrollbar's background here ? */
1214	# if HAVE_SCROLLBARS
1215	if (target->scrollBar.win)
1216	XSetWindowBackground (target->dpy, target->scrollBar.win, target->pix_colors[Color_border]);
1217	# endif
1218	}
1219	}
1220	else
1221	{ /* set target background to a pixel */
1222	XSetWindowBackground (target->dpy, target->parent[0], target->pix_colors[Color_border]);
1223	XSetWindowBackground (target->dpy, target->vt, target->pix_colors[Color_bg]);
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
1231	/* don't want Expose on the parent */
1232	XClearArea (target->dpy, target->parent[0], 0, 0, 0, 0, False);
1233	/* do want Expose on the vt, so we get refreshed properly */
1234	XClearArea (target->dpy, target->vt, 0, 0, 0, 0, True);
1235
1236	# if HAVE_SCROLLBARS
1237	if (target->scrollBar.win)
1238	{
1239	target->scrollBar.setIdle ();
1240	target->scrollbar_show (0);
1241	}
1242	# endif
1243	}
1244	}	1156	}
1245		1157
1246	#endif /* HAVE_BG_PIXMAP */
1247
1248	#if defined(ENABLE_TRANSPARENCY) && !defined(HAVE_AFTERIMAGE)
1249	/* taken from aterm-0.4.2 */	1158	/* based on code from aterm-0.4.2 */
1250		1159
1251	typedef uint32_t RUINT32T;
1252
1253	static void	1160	static inline void
1254	ShadeXImage(rxvt_term term, XImage srcImage, int shade, int rm, int gm, int bm)	1161	fill_lut (uint32_t *lookup, uint32_t mask, int sh, unsigned short low, unsigned short high)
1255	{	1162	{
		1163	for (int i = 0; i <= mask >> sh; i++)
		1164	{
		1165	uint32_t tmp;
		1166	tmp = i * high;
		1167	tmp += (mask >> sh) * low;
		1168	lookup[i] = (tmp / 0xffff) << sh;
		1169	}
		1170	}
		1171
		1172	void
		1173	rxvt_term::tint_ximage (XImage *ximage, rxvt_color &tint, bool tint_set, int shade)
		1174	{
		1175	unsigned int size_r, size_g, size_b;
1256	int sh_r, sh_g, sh_b;	1176	int sh_r, sh_g, sh_b;
1257	RUINT32T mask_r, mask_g, mask_b;	1177	uint32_t mask_r, mask_g, mask_b;
1258	RUINT32T lookup, lookup_r, lookup_g, lookup_b;	1178	uint32_t lookup, lookup_r, lookup_g, lookup_b;
1259	unsigned int lower_lim_r, lower_lim_g, lower_lim_b;	1179	unsigned short low;
1260	unsigned int upper_lim_r, upper_lim_g, upper_lim_b;	1180	int host_byte_order = ecb_big_endian () ? MSBFirst : LSBFirst;
1261	int i;
1262		1181
1263	Visual *visual = term->visual;
1264
1265	if (visual->c_class != TrueColor \|\| srcImage->format != ZPixmap) return ;	1182	if (visual->c_class != TrueColor \|\| ximage->format != ZPixmap) return;
1266
1267	if (shade == 0)
1268	shade = 100;
1269		1183
1270	/* for convenience */	1184	/* for convenience */
1271	mask_r = visual->red_mask;	1185	mask_r = visual->red_mask;
1272	mask_g = visual->green_mask;	1186	mask_g = visual->green_mask;
1273	mask_b = visual->blue_mask;	1187	mask_b = visual->blue_mask;
1274		1188
1275	/* boring lookup table pre-initialization */	1189	/* boring lookup table pre-initialization */
1276	switch (srcImage->bits_per_pixel) {	1190	sh_r = ecb_ctz32 (mask_r);
1277	case 15:	1191	sh_g = ecb_ctz32 (mask_g);
1278	if ((mask_r != 0x7c00) \|\|	1192	sh_b = ecb_ctz32 (mask_b);
1279	(mask_g != 0x03e0) \|\|	1193
1280	(mask_b != 0x001f))	1194	size_r = mask_r >> sh_r;
		1195	size_g = mask_g >> sh_g;
		1196	size_b = mask_b >> sh_b;
		1197
		1198	if (size_r++ > 255 \|\| size_g++ > 255 \|\| size_b++ > 255)
1281	return;	1199	return;
1282	lookup = (RUINT32T ) malloc (sizeof (RUINT32T)(32+32+32));	1200
		1201	lookup = (uint32_t )malloc (sizeof (uint32_t) (size_r + size_g + size_b));
1283	lookup_r = lookup;	1202	lookup_r = lookup;
1284	lookup_g = lookup+32;	1203	lookup_g = lookup + size_r;
1285	lookup_b = lookup+32+32;	1204	lookup_b = lookup + size_r + size_g;
1286	sh_r = 10;	1205
1287	sh_g = 5;	1206	rgba c (rgba::MAX_CC, rgba::MAX_CC, rgba::MAX_CC);
1288	sh_b = 0;	1207
1289	break;	1208	if (tint_set)
1290	case 16:	1209	tint.get (c);
1291	if ((mask_r != 0xf800) \|\|
1292	(mask_g != 0x07e0) \|\|
1293	(mask_b != 0x001f))
1294	return;
1295	lookup = (RUINT32T ) malloc (sizeof (RUINT32T)(32+64+32));
1296	lookup_r = lookup;
1297	lookup_g = lookup+32;
1298	lookup_b = lookup+32+64;
1299	sh_r = 11;
1300	sh_g = 5;
1301	sh_b = 0;
1302	break;
1303	case 24:
1304	if ((mask_r != 0xff0000) \|\|
1305	(mask_g != 0x00ff00) \|\|
1306	(mask_b != 0x0000ff))
1307	return;
1308	lookup = (RUINT32T ) malloc (sizeof (RUINT32T)(256+256+256));
1309	lookup_r = lookup;
1310	lookup_g = lookup+256;
1311	lookup_b = lookup+256+256;
1312	sh_r = 16;
1313	sh_g = 8;
1314	sh_b = 0;
1315	break;
1316	case 32:
1317	if ((mask_r != 0xff0000) \|\|
1318	(mask_g != 0x00ff00) \|\|
1319	(mask_b != 0x0000ff))
1320	return;
1321	lookup = (RUINT32T ) malloc (sizeof (RUINT32T)(256+256+256));
1322	lookup_r = lookup;
1323	lookup_g = lookup+256;
1324	lookup_b = lookup+256+256;
1325	sh_r = 16;
1326	sh_g = 8;
1327	sh_b = 0;
1328	break;
1329	default:
1330	return; /* we do not support this color depth */
1331	}
1332		1210
1333	/* prepare limits for color transformation (each channel is handled separately) */	1211	/* prepare limits for color transformation (each channel is handled separately) */
1334	if (shade < 0) {	1212	if (shade > 100)
1335	shade = -shade;
1336	if (shade < 0) shade = 0;
1337	if (shade > 100) shade = 100;
1338
1339	lower_lim_r = 65535-rm;
1340	lower_lim_g = 65535-gm;
1341	lower_lim_b = 65535-bm;
1342
1343	lower_lim_r = 65535-(unsigned int)(((RUINT32T)lower_lim_r)*((RUINT32T)shade)/100);
1344	lower_lim_g = 65535-(unsigned int)(((RUINT32T)lower_lim_g)*((RUINT32T)shade)/100);
1345	lower_lim_b = 65535-(unsigned int)(((RUINT32T)lower_lim_b)*((RUINT32T)shade)/100);
1346
1347	upper_lim_r = upper_lim_g = upper_lim_b = 65535;
1348	} else {
1349	if (shade < 0) shade = 0;
1350	if (shade > 100) shade = 100;
1351
1352	lower_lim_r = lower_lim_g = lower_lim_b = 0;
1353
1354	upper_lim_r = (unsigned int)((((RUINT32T)rm)*((RUINT32T)shade))/100);
1355	upper_lim_g = (unsigned int)((((RUINT32T)gm)*((RUINT32T)shade))/100);
1356	upper_lim_b = (unsigned int)((((RUINT32T)bm)*((RUINT32T)shade))/100);
1357	}
1358
1359	/* switch red and blue bytes if necessary, we need it for some weird XServers like XFree86 3.3.3.1 */
1360	if ((srcImage->bits_per_pixel == 24) && (mask_r >= 0xFF0000 ))
1361	{	1213	{
1362	unsigned int tmp;	1214	c.r = c.r * (200 - shade) / 100;
		1215	c.g = c.g * (200 - shade) / 100;
		1216	c.b = c.b * (200 - shade) / 100;
1363		1217
1364	tmp = lower_lim_r;	1218	low = 0xffff * (shade - 100) / 100;
1365	lower_lim_r = lower_lim_b;
1366	lower_lim_b = tmp;
1367
1368	tmp = upper_lim_r;
1369	upper_lim_r = upper_lim_b;
1370	upper_lim_b = tmp;
1371	}	1219	}
		1220	else
		1221	{
		1222	c.r = c.r * shade / 100;
		1223	c.g = c.g * shade / 100;
		1224	c.b = c.b * shade / 100;
		1225
		1226	low = 0;
		1227	}
1372		1228
1373	/* fill our lookup tables */	1229	/* fill our lookup tables */
1374	for (i = 0; i <= mask_r>>sh_r; i++)	1230	fill_lut (lookup_r, mask_r, sh_r, low, c.r);
1375	{	1231	fill_lut (lookup_g, mask_g, sh_g, low, c.g);
1376	RUINT32T tmp;	1232	fill_lut (lookup_b, mask_b, sh_b, low, c.b);
1377	tmp = ((RUINT32T)i)*((RUINT32T)(upper_lim_r-lower_lim_r));
1378	tmp += ((RUINT32T)(mask_r>>sh_r))*((RUINT32T)lower_lim_r);
1379	lookup_r[i] = (tmp/65535)<<sh_r;
1380	}
1381	for (i = 0; i <= mask_g>>sh_g; i++)
1382	{
1383	RUINT32T tmp;
1384	tmp = ((RUINT32T)i)*((RUINT32T)(upper_lim_g-lower_lim_g));
1385	tmp += ((RUINT32T)(mask_g>>sh_g))*((RUINT32T)lower_lim_g);
1386	lookup_g[i] = (tmp/65535)<<sh_g;
1387	}
1388	for (i = 0; i <= mask_b>>sh_b; i++)
1389	{
1390	RUINT32T tmp;
1391	tmp = ((RUINT32T)i)*((RUINT32T)(upper_lim_b-lower_lim_b));
1392	tmp += ((RUINT32T)(mask_b>>sh_b))*((RUINT32T)lower_lim_b);
1393	lookup_b[i] = (tmp/65535)<<sh_b;
1394	}
1395		1233
1396	/* apply table to input image (replacing colors by newly calculated ones) */	1234	/* apply table to input image (replacing colors by newly calculated ones) */
1397	switch (srcImage->bits_per_pixel)	1235	if (ximage->bits_per_pixel == 32
		1236	&& ximage->byte_order == host_byte_order)
1398	{	1237	{
1399	case 15:	1238	char *line = ximage->data;
1400	{	1239
1401	unsigned short p1, pf, p, pl;	1240	for (int y = 0; y < ximage->height; y++)
1402	p1 = (unsigned short *) srcImage->data;
1403	pf = (unsigned short ) (srcImage->data + srcImage->height srcImage->bytes_per_line);
1404	while (p1 < pf)
1405	{	1241	{
1406	p = p1;	1242	uint32_t p = (uint32_t )line;
1407	pl = p1 + srcImage->width;	1243	for (int x = 0; x < ximage->width; x++)
1408	for (; p < pl; p++)	1244	{
		1245	p = lookup_r[(p & mask_r) >> sh_r] \|
		1246	lookup_g[(*p & mask_g) >> sh_g] \|
		1247	lookup_b[(*p & mask_b) >> sh_b];
		1248	p++;
		1249	}
		1250	line += ximage->bytes_per_line;
		1251	}
		1252	}
		1253	else
		1254	{
		1255	for (int y = 0; y < ximage->height; y++)
		1256	for (int x = 0; x < ximage->width; x++)
1409	{	1257	{
1410	p = lookup_r[(p & 0x7c00)>>10] \|	1258	unsigned long pixel = XGetPixel (ximage, x, y);
1411	lookup_g[(*p & 0x03e0)>> 5] \|	1259	pixel = lookup_r[(pixel & mask_r) >> sh_r] \|
1412	lookup_b[(*p & 0x001f)];	1260	lookup_g[(pixel & mask_g) >> sh_g] \|
		1261	lookup_b[(pixel & mask_b) >> sh_b];
		1262	XPutPixel (ximage, x, y, pixel);
1413	}	1263	}
1414	p1 = (unsigned short ) ((char ) p1 + srcImage->bytes_per_line);
1415	}	1264	}
1416	break;
1417	}
1418	case 16:
1419	{
1420	unsigned short p1, pf, p, pl;
1421	p1 = (unsigned short *) srcImage->data;
1422	pf = (unsigned short ) (srcImage->data + srcImage->height srcImage->bytes_per_line);
1423	while (p1 < pf)
1424	{
1425	p = p1;
1426	pl = p1 + srcImage->width;
1427	for (; p < pl; p++)
1428	{
1429	p = lookup_r[(p & 0xf800)>>11] \|
1430	lookup_g[(*p & 0x07e0)>> 5] \|
1431	lookup_b[(*p & 0x001f)];
1432	}
1433	p1 = (unsigned short ) ((char ) p1 + srcImage->bytes_per_line);
1434	}
1435	break;
1436	}
1437	case 24:
1438	{
1439	unsigned char p1, pf, p, pl;
1440	p1 = (unsigned char *) srcImage->data;
1441	pf = (unsigned char ) (srcImage->data + srcImage->height srcImage->bytes_per_line);
1442	while (p1 < pf)
1443	{
1444	p = p1;
1445	pl = p1 + srcImage->width * 3;
1446	for (; p < pl; p += 3)
1447	{
1448	p[0] = lookup_r[(p[0] & 0xff0000)>>16];
1449	p[1] = lookup_r[(p[1] & 0x00ff00)>> 8];
1450	p[2] = lookup_r[(p[2] & 0x0000ff)];
1451	}
1452	p1 = (unsigned char ) ((char ) p1 + srcImage->bytes_per_line);
1453	}
1454	break;
1455	}
1456	case 32:
1457	{
1458	RUINT32T p1, pf, p, pl;
1459	p1 = (RUINT32T *) srcImage->data;
1460	pf = (RUINT32T ) (srcImage->data + srcImage->height srcImage->bytes_per_line);
1461
1462	while (p1 < pf)
1463	{
1464	p = p1;
1465	pl = p1 + srcImage->width;
1466	for (; p < pl; p++)
1467	{
1468	p = lookup_r[(p & 0xff0000)>>16] \|
1469	lookup_g[(*p & 0x00ff00)>> 8] \|
1470	lookup_b[(*p & 0x0000ff)] \|
1471	(*p & ~0xffffff);
1472	}
1473	p1 = (RUINT32T ) ((char ) p1 + srcImage->bytes_per_line);
1474	}
1475	break;
1476	}
1477	}
1478		1265
1479	free (lookup);	1266	free (lookup);
1480	}	1267	}
1481	#endif /* defined(ENABLE_TRANSPARENCY) && !defined(HAVE_AFTERIMAGE) */	1268
		1269	#endif /* HAVE_BG_PIXMAP */

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Comparing rxvt-unicode/src/background.C (file contents): Revision 1.2 by sasha, Wed Sep 12 21:06:08 2007 UTC vs. Revision 1.234 by sf-exg, Thu Jun 7 09:21:18 2012 UTC

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Comparing rxvt-unicode/src/background.C (file contents):
Revision 1.2 by sasha, Wed Sep 12 21:06:08 2007 UTC vs.
Revision 1.234 by sf-exg, Thu Jun 7 09:21:18 2012 UTC