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Comparing rxvt-unicode/src/background.C (file contents):
Revision 1.182 by sf-exg, Sun Dec 25 17:01:21 2011 UTC vs.
Revision 1.234 by sf-exg, Thu Jun 7 09:21:18 2012 UTC

…		…
3	*----------------------------------------------------------------------*	3	*----------------------------------------------------------------------*
4	*	4	*
5	* All portions of code are copyright by their respective author/s.	5	* All portions of code are copyright by their respective author/s.
6	* Copyright (c) 2005-2008 Marc Lehmann <schmorp@schmorp.de>	6	* Copyright (c) 2005-2008 Marc Lehmann <schmorp@schmorp.de>
7	* Copyright (c) 2007 Sasha Vasko <sasha@aftercode.net>	7	* Copyright (c) 2007 Sasha Vasko <sasha@aftercode.net>
8	* Copyright (c) 2010 Emanuele Giaquinta <e.giaquinta@glauco.it>	8	* Copyright (c) 2010-2012 Emanuele Giaquinta <e.giaquinta@glauco.it>
9	*	9	*
10	* This program is free software; you can redistribute it and/or modify	10	* This program is free software; you can redistribute it and/or modify
11	* it under the terms of the GNU General Public License as published by	11	* it under the terms of the GNU General Public License as published by
12	* the Free Software Foundation; either version 2 of the License, or	12	* the Free Software Foundation; either version 2 of the License, or
13	* (at your option) any later version.	13	* (at your option) any later version.
…		…
20	* You should have received a copy of the GNU General Public License	20	* You should have received a copy of the GNU General Public License
21	* along with this program; if not, write to the Free Software	21	* along with this program; if not, write to the Free Software
22	* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.	22	* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
23	*---------------------------------------------------------------------*/	23	*---------------------------------------------------------------------*/
24		24
25	#include <cmath>	25	#include <math.h>
26	#include "../config.h" /* NECESSARY */	26	#include "../config.h" /* NECESSARY */
27	#include "rxvt.h" /* NECESSARY */	27	#include "rxvt.h" /* NECESSARY */
28		28
29	#if XRENDER	29	#if XRENDER
30	# include <X11/extensions/Xrender.h>	30	# include <X11/extensions/Xrender.h>
…		…
32		32
33	#ifndef FilterConvolution	33	#ifndef FilterConvolution
34	#define FilterConvolution "convolution"	34	#define FilterConvolution "convolution"
35	#endif	35	#endif
36		36
		37	#ifndef RepeatPad
		38	#define RepeatPad True
		39	#endif
		40
37	#ifdef HAVE_BG_PIXMAP	41	#ifdef HAVE_BG_PIXMAP
		42	# if XRENDER
		43	static Picture
		44	create_xrender_mask (Display *dpy, Drawable drawable, Bool argb, Bool component_alpha)
		45	{
		46	Pixmap pixmap = XCreatePixmap (dpy, drawable, 1, 1, argb ? 32 : 8);
		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
38	void	60	void
39	rxvt_term::bg_destroy ()	61	rxvt_term::bg_destroy ()
40	{	62	{
41	#ifdef HAVE_AFTERIMAGE	63	# if BG_IMAGE_FROM_FILE
42	if (original_asim)	64	fimage.destroy ();
43	safe_asimage_destroy (original_asim);
44	if (asv)
45	destroy_asvisual (asv, 0);
46	if (asimman)
47	destroy_image_manager (asimman, 0);
48	#endif	65	# endif
49
50	#ifdef HAVE_PIXBUF
51	if (pixbuf)
52	g_object_unref (pixbuf);
53	#endif
54		66
55	if (bg_pixmap)	67	if (bg_pixmap)
56	XFreePixmap (dpy, bg_pixmap);	68	XFreePixmap (dpy, bg_pixmap);
57	}	69	}
58		70
…		…
71	}	83	}
72		84
73	bool	85	bool
74	rxvt_term::bg_window_size_sensitive ()	86	rxvt_term::bg_window_size_sensitive ()
75	{	87	{
76	# ifdef ENABLE_TRANSPARENCY	88	# if ENABLE_TRANSPARENCY
77	if (bg_flags & BG_IS_TRANSPARENT)	89	if (bg_flags & BG_IS_TRANSPARENT)
78	return true;	90	return true;
79	# endif	91	# endif
80		92
81	# ifdef BG_IMAGE_FROM_FILE	93	# if BG_IMAGE_FROM_FILE
82	if (bg_flags & BG_IS_FROM_FILE)	94	if (fimage.flags & IM_IS_SET)
83	{	95	{
84	if (bg_flags & BG_IS_SIZE_SENSITIVE)	96	if ((fimage.flags & IM_IS_SIZE_SENSITIVE)
		97	|| fimage.width () > szHint.width
		98	|| fimage.height () > szHint.height)
85	return true;	99	return true;
86	}	100	}
87	# endif	101	# endif
88		102
89	return false;	103	return false;
90	}	104	}
91		105
92	bool	106	bool
93	rxvt_term::bg_window_position_sensitive ()	107	rxvt_term::bg_window_position_sensitive ()
94	{	108	{
95	# ifdef ENABLE_TRANSPARENCY	109	# if ENABLE_TRANSPARENCY
96	if (bg_flags & BG_IS_TRANSPARENT)	110	if (bg_flags & BG_IS_TRANSPARENT)
97	return true;	111	return true;
98	# endif	112	# endif
99		113
100	# ifdef BG_IMAGE_FROM_FILE	114	# if BG_IMAGE_FROM_FILE
101	if (bg_flags & BG_IS_FROM_FILE)	115	if (fimage.flags & IM_IS_SET)
102	{	116	{
103	if (bg_flags & BG_ROOT_ALIGN)	117	if (fimage.flags & IM_ROOT_ALIGN)
104	return true;	118	return true;
105	}	119	}
106	# endif	120	# endif
107		121
108	return false;	122	return false;
109	}	123	}
110		124
111	# ifdef BG_IMAGE_FROM_FILE	125	# if BG_IMAGE_FROM_FILE
112	static inline bool
113	check_set_scale_value (int geom_flags, int flag, unsigned int &scale, unsigned int new_value)
114	{
115	if (geom_flags & flag)
116	{
117	if (new_value > 1000)
118	new_value = 1000;
119	if (new_value != scale)
120	{
121	scale = new_value;
122	return true;
123	}
124	}
125	return false;
126	}
127
128	static inline bool
129	check_set_align_value (int geom_flags, int flag, int &align, int new_value)
130	{
131	if (geom_flags & flag)
132	{
133	if (new_value < -100)
134	new_value = -100;
135	else if (new_value > 200)
136	new_value = 200;
137	if (new_value != align)
138	{
139	align = new_value;
140	return true;
141	}
142	}
143	return false;
144	}
145
146	static inline int	126	static inline int
147	make_align_position (int align, int window_size, int image_size)	127	make_align_position (int align, int window_size, int image_size)
148	{	128	{
149	int diff = window_size - image_size;
150	int smaller = min (image_size, window_size);
151
152	if (align >= 0 && align <= 100)	129	if (align >= 0 && align <= 100)
153	return diff * align / 100;	130	return lerp (0, window_size - image_size, align);
154	else if (align > 100 && align <= 200)	131	else if (align > 100)
155	return (align - 100) * smaller / 100 + window_size - smaller;	132	return lerp (window_size - image_size, window_size, align - 100);
156	else if (align >= -100 && align < 0)	133	else
157	return (align + 100) * smaller / 100 - image_size;	134	return lerp (-image_size, 0, align + 100);
158	return 0;
159	}	135	}
160		136
161	static inline int	137	static inline int
162	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)
163	{	139	{
…		…
169	src_pos = -pos;	145	src_pos = -pos;
170	dst_pos = 0;	146	dst_pos = 0;
171	dst_size += pos;	147	dst_size += pos;
172	}	148	}
173		149
174	if (dst_pos + dst_size > target_size)
175	dst_size = target_size - dst_pos;	150	min_it (dst_size, target_size - dst_pos);
176	return src_pos;	151	return src_pos;
177	}	152	}
178		153
		154	static void
		155	parse_style (const char *style, int &x, int &y, unsigned int &w, unsigned int &h, uint8_t &flags)
		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
179	bool	189	bool
180	rxvt_term::bg_set_geometry (const char *geom, bool update)	190	rxvt_image::set_geometry (const char *geom, bool update)
181	{	191	{
182	bool changed = false;	192	bool changed = false;
183	int geom_flags = 0;	193	int geom_flags = 0;
184	int x = 0, y = 0;	194	int x = h_align;
		195	int y = v_align;
185	unsigned int w = 0, h = 0;	196	unsigned int w = h_scale;
186	unsigned long new_flags = bg_flags & ~BG_GEOMETRY_FLAGS;	197	unsigned int h = v_scale;
		198	uint8_t new_flags = 0;
187		199
188	if (geom == NULL)	200	if (geom == NULL)
189	return false;	201	return false;
190		202
191	if (geom[0])	203	if (geom[0])
192	{	204	{
193	char **arr = rxvt_strsplit (':', geom);	205	char **arr = rxvt_strsplit (':', geom);
194		206
195	for (int i = 0; arr[i]; i++)	207	for (int i = 0; arr[i]; i++)
196	{	208	{
197	if (!strcasecmp (arr[i], "style=tiled"))	209	if (!strncasecmp (arr[i], "style=", 6))
198	{	210	{
199	new_flags = BG_TILE;	211	parse_style (arr[i] + 6, x, y, w, h, new_flags);
200	w = h = noScale;
201	x = y = 0;
202	geom_flags = WidthValue|HeightValue|XValue|YValue;	212	geom_flags = WidthValue|HeightValue|XValue|YValue;
203	}	213	}
204	else if (!strcasecmp (arr[i], "style=aspect-stretched"))
205	{
206	new_flags = BG_KEEP_ASPECT;
207	w = h = windowScale;
208	x = y = centerAlign;
209	geom_flags = WidthValue|HeightValue|XValue|YValue;
210	}
211	else if (!strcasecmp (arr[i], "style=stretched"))
212	{
213	new_flags = 0;
214	w = h = windowScale;
215	geom_flags = WidthValue|HeightValue;
216	}
217	else if (!strcasecmp (arr[i], "style=centered"))
218	{
219	new_flags = 0;
220	w = h = noScale;
221	x = y = centerAlign;
222	geom_flags = WidthValue|HeightValue|XValue|YValue;
223	}
224	else if (!strcasecmp (arr[i], "style=root-tiled"))
225	{
226	new_flags = BG_TILE|BG_ROOT_ALIGN;
227	w = h = noScale;
228	geom_flags = WidthValue|HeightValue;
229	}
230	else if (!strcasecmp (arr[i], "op=tile"))	214	else if (!strcasecmp (arr[i], "op=tile"))
231	new_flags |= BG_TILE;	215	new_flags |= IM_TILE;
232	else if (!strcasecmp (arr[i], "op=keep-aspect"))	216	else if (!strcasecmp (arr[i], "op=keep-aspect"))
233	new_flags |= BG_KEEP_ASPECT;	217	new_flags |= IM_KEEP_ASPECT;
234	else if (!strcasecmp (arr[i], "op=root-align"))	218	else if (!strcasecmp (arr[i], "op=root-align"))
235	new_flags |= BG_ROOT_ALIGN;	219	new_flags |= IM_ROOT_ALIGN;
236		220
237	// deprecated	221	// deprecated
238	else if (!strcasecmp (arr[i], "tile"))	222	else if (!strcasecmp (arr[i], "tile"))
239	{	223	{
240	new_flags |= BG_TILE;	224	new_flags |= IM_TILE;
241	w = h = noScale;	225	w = h = noScale;
242	geom_flags |= WidthValue|HeightValue;	226	geom_flags |= WidthValue|HeightValue;
243	}	227	}
244	else if (!strcasecmp (arr[i], "propscale"))	228	else if (!strcasecmp (arr[i], "propscale"))
245	{	229	{
246	new_flags |= BG_KEEP_ASPECT;	230	new_flags |= IM_KEEP_ASPECT;
247	w = h = windowScale;	231	w = h = windowScale;
248	geom_flags |= WidthValue|HeightValue;	232	geom_flags |= WidthValue|HeightValue;
249	}	233	}
250	else if (!strcasecmp (arr[i], "hscale"))	234	else if (!strcasecmp (arr[i], "hscale"))
251	{	235	{
252	new_flags |= BG_TILE;	236	new_flags |= IM_TILE;
253	w = windowScale;	237	w = windowScale;
254	h = noScale;	238	h = noScale;
255	geom_flags |= WidthValue|HeightValue;	239	geom_flags |= WidthValue|HeightValue;
256	}	240	}
257	else if (!strcasecmp (arr[i], "vscale"))	241	else if (!strcasecmp (arr[i], "vscale"))
258	{	242	{
259	new_flags |= BG_TILE;	243	new_flags |= IM_TILE;
260	h = windowScale;	244	h = windowScale;
261	w = noScale;	245	w = noScale;
262	geom_flags |= WidthValue|HeightValue;	246	geom_flags |= WidthValue|HeightValue;
263	}	247	}
264	else if (!strcasecmp (arr[i], "scale"))	248	else if (!strcasecmp (arr[i], "scale"))
…		…
272	x = y = centerAlign;	256	x = y = centerAlign;
273	geom_flags |= WidthValue|HeightValue|XValue|YValue;	257	geom_flags |= WidthValue|HeightValue|XValue|YValue;
274	}	258	}
275	else if (!strcasecmp (arr[i], "root"))	259	else if (!strcasecmp (arr[i], "root"))
276	{	260	{
277	new_flags |= BG_TILE|BG_ROOT_ALIGN;	261	new_flags |= IM_TILE|IM_ROOT_ALIGN;
278	w = h = noScale;	262	w = h = noScale;
279	geom_flags |= WidthValue|HeightValue;	263	geom_flags |= WidthValue|HeightValue;
280	}	264	}
281		265
282	else	266	else
283	geom_flags |= XParseGeometry (arr[i], &x, &y, &w, &h);	267	geom_flags |= XParseGeometry (arr[i], &x, &y, &w, &h);
284	} /* done parsing ops */	268	} /* done parsing ops */
285		269
286	rxvt_free_strsplit (arr);	270	rxvt_free_strsplit (arr);
287	}	271	}
		272
		273	new_flags |= flags & ~IM_GEOMETRY_FLAGS;
288		274
289	if (!update)	275	if (!update)
290	{	276	{
291	if (!(geom_flags & XValue))	277	if (!(geom_flags & XValue))
292	x = y = defaultAlign;	278	x = y = defaultAlign;
…		…
297	w = h = defaultScale;	283	w = h = defaultScale;
298	else if (!(geom_flags & HeightValue))	284	else if (!(geom_flags & HeightValue))
299	h = w;	285	h = w;
300	else if (!(geom_flags & WidthValue))	286	else if (!(geom_flags & WidthValue))
301	w = h;	287	w = h;
302
303	geom_flags |= WidthValue|HeightValue|XValue|YValue;
304	}
305
306	if (check_set_scale_value (geom_flags, WidthValue, h_scale, w)) changed = true;
307	if (check_set_scale_value (geom_flags, HeightValue, v_scale, h)) changed = true;
308	if (check_set_align_value (geom_flags, XValue, h_align, x)) changed = true;
309	if (check_set_align_value (geom_flags, YValue, v_align, y)) changed = true;
310
311	if (new_flags != bg_flags)
312	{	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	{
313	bg_flags = new_flags;	299	flags = new_flags;
		300	h_scale = w;
		301	v_scale = h;
		302	h_align = x;
		303	v_align = y;
314	changed = true;	304	changed = true;
315	}	305	}
316		306
		307	if (is_size_sensitive ())
		308	flags |= IM_IS_SIZE_SENSITIVE;
		309	else
		310	flags &= ~IM_IS_SIZE_SENSITIVE;
		311
317	return changed;	312	return changed;
318	}	313	}
319		314
320	void	315	void
321	rxvt_term::get_image_geometry (int image_width, int image_height, int &w, int &h, int &x, int &y)	316	rxvt_term::get_image_geometry (rxvt_image &image, int &w, int &h, int &x, int &y)
322	{	317	{
		318	int image_width = image.width ();
		319	int image_height = image.height ();
323	int target_width = szHint.width;	320	int target_width = szHint.width;
324	int target_height = szHint.height;	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);
325		324
326	w = h_scale * target_width / 100;	325	w = h_scale * target_width / 100;
327	h = v_scale * target_height / 100;	326	h = v_scale * target_height / 100;
328		327
329	if (bg_flags & BG_KEEP_ASPECT)	328	if (image.flags & IM_KEEP_ASPECT)
330	{	329	{
331	float scale = (float)w / image_width;	330	float scale = (float)w / image_width;
332	min_it (scale, (float)h / image_height);	331	min_it (scale, (float)h / image_height);
333	w = image_width * scale + 0.5;	332	w = image_width * scale + 0.5;
334	h = image_height * scale + 0.5;	333	h = image_height * scale + 0.5;
335	}	334	}
336		335
337	if (!w) w = image_width;	336	if (!w) w = image_width;
338	if (!h) h = image_height;	337	if (!h) h = image_height;
339		338
340	if (bg_flags & BG_ROOT_ALIGN)	339	if (image.flags & IM_ROOT_ALIGN)
341	{	340	{
342	x = -target_x;	341	x = -target_x;
343	y = -target_y;	342	y = -target_y;
344	}	343	}
345	else	344	else
346	{	345	{
347	x = make_align_position (h_align, target_width, w);	346	x = make_align_position (image.h_align, target_width, w);
348	y = make_align_position (v_align, target_height, h);	347	y = make_align_position (image.v_align, target_height, h);
349	}
350
351	bg_flags &= ~BG_IS_SIZE_SENSITIVE;
352	if (!(bg_flags & BG_TILE)
353	|| h_scale || v_scale
354	|| (!(bg_flags & BG_ROOT_ALIGN) && (h_align || v_align))
355	|| w > target_width || h > target_height)
356	bg_flags |= BG_IS_SIZE_SENSITIVE;
357	}
358
359	# ifdef HAVE_AFTERIMAGE
360	bool
361	rxvt_term::render_image (unsigned long tr_flags)
362	{
363	init_asv ();
364
365	ASImage *background = NULL;
366	ARGB32 background_tint = TINT_LEAVE_SAME;
367
368	# ifdef ENABLE_TRANSPARENCY
369	if (tr_flags)
370	background = pixmap2ximage (asv, bg_pixmap, 0, 0, bg_pmap_width, bg_pmap_height, AllPlanes, 100);
371
372	if (tr_flags & BG_NEEDS_TINT)
373	{	348	}
374	ShadingInfo as_shade;	349	}
375	as_shade.shading = shade;
376		350
377	rgba c (rgba::MAX_CC,rgba::MAX_CC,rgba::MAX_CC);	351	# if HAVE_PIXBUF
378	if (bg_flags & BG_TINT_SET)	352	bool
379	tint.get (c);	353	rxvt_term::pixbuf_to_pixmap (GdkPixbuf *pixbuf, Pixmap pixmap, GC gc,
380	as_shade.tintColor.red = c.r;	354	int src_x, int src_y, int dst_x, int dst_y,
381	as_shade.tintColor.green = c.g;	355	unsigned int width, unsigned int height, bool argb)
382	as_shade.tintColor.blue = c.b;	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;
383		365
384	background_tint = shading2tint32 (&as_shade);	366	if (visual->c_class != TrueColor)
		367	return false;
		368
		369	if (argb)
385	}	370	{
386		371	red_mask = 0xff << 16;
387	if ((tr_flags & BG_NEEDS_BLUR) && background != NULL)	372	green_mask = 0xff << 8;
		373	blue_mask = 0xff;
		374	alpha_mask = 0xff << 24;
388	{	375	}
389	ASImage *tmp = blur_asimage_gauss (asv, background, h_blurRadius, v_blurRadius, 0xFFFFFFFF,	376	else
390	ASA_XImage,	377	{
391	100, ASIMAGE_QUALITY_DEFAULT);	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);
392	if (tmp)	383	if (format)
393	{	384	alpha_mask = (uint32_t)format->direct.alphaMask << format->direct.alpha;
394	destroy_asimage (&background);	385	else
395	background = tmp;	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++)
396	}	438	{
397	}	439	unsigned char *pixel = row + x * channels;
398	# endif	440	uint32_t value;
		441	unsigned char r, g, b, a;
399		442
400	ASImage *result = 0;	443	if (channels == 4)
		444	{
		445	a = pixel[3];
		446	r = (pixel[0] * a + c.r * (0xff - a)) / 0xff;
		447	g = (pixel[1] * a + c.g * (0xff - a)) / 0xff;
		448	b = (pixel[2] * a + c.b * (0xff - a)) / 0xff;
		449	}
		450	else
		451	{
		452	a = 0xff;
		453	r = pixel[0];
		454	g = pixel[1];
		455	b = pixel[2];
		456	}
		457
		458	value = ((r >> (8 - width_r)) << sh_r)
		459	| ((g >> (8 - width_g)) << sh_g)
		460	| ((b >> (8 - width_b)) << sh_b)
		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);
		467	}
		468
		469	row += rowstride;
		470	line += ximage->bytes_per_line;
		471	}
		472
		473	XPutImage (dpy, pixmap, gc, ximage, 0, 0, dst_x, dst_y, width, height);
		474	XDestroyImage (ximage);
		475	return true;
		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);
401		495
402	int target_width = szHint.width;	496	int target_width = szHint.width;
403	int target_height = szHint.height;	497	int target_height = szHint.height;
404	int new_pmap_width = target_width;	498	int new_pmap_width = target_width;
405	int new_pmap_height = target_height;	499	int new_pmap_height = target_height;
…		…
407	int x = 0;	501	int x = 0;
408	int y = 0;	502	int y = 0;
409	int w = 0;	503	int w = 0;
410	int h = 0;	504	int h = 0;
411		505
412	if (original_asim)	506	get_image_geometry (image, w, h, x, y);
413	get_image_geometry (original_asim->width, original_asim->height, w, h, x, y);
414		507
415	if (!original_asim	508	if (!(image.flags & IM_ROOT_ALIGN)
416	|| (!(bg_flags & BG_ROOT_ALIGN)
417	&& (x >= target_width	509	&& (x >= target_width
418	|| y >= target_height	510	|| y >= target_height
419	|| x + w <= 0	511	|| x + w <= 0
420	|| y + h <= 0)))	512	|| y + h <= 0))
421	{	513	return false;
422	if (background)
423	{
424	new_pmap_width = background->width;
425	new_pmap_height = background->height;
426	result = background;
427		514
428	if (background_tint != TINT_LEAVE_SAME)	515	result = pixbuf;
429	{	516
430	ASImage *tmp = tile_asimage (asv, background, 0, 0,	517	if (w != image_width
431	target_width, target_height, background_tint,	518	|| h != image_height)
432	ASA_XImage, 100, ASIMAGE_QUALITY_DEFAULT);
433	if (tmp)
434	result = tmp;
435	}
436	}
437	else
438	new_pmap_width = new_pmap_height = 0;
439	}	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);
440	else	539	else
441	{	540	{
442	result = original_asim;	541	if (image.flags & IM_TILE)
443
444	if (w != original_asim->width
445	|| h != original_asim->height)
446	{
447	result = scale_asimage (asv, original_asim,
448	w, h,
449	ASA_XImage,
450	100, ASIMAGE_QUALITY_DEFAULT);
451	}	542	{
452		543	new_pmap_width = min (image_width, target_width);
453	if (background == NULL)	544	new_pmap_height = min (image_height, target_height);
454	{	545	}
455	if (bg_flags & BG_TILE)
456	{
457	/* if tiling - pixmap has to be sized exactly as the image,
458	but there is no need to make it bigger than the window! */
459	new_pmap_width = min (result->width, target_width);
460	new_pmap_height = min (result->height, target_height);
461		546
462	/* we also need to tile our image in both directions */
463	ASImage *tmp = tile_asimage (asv, result,
464	(int)result->width - x,
465	(int)result->height - y,
466	new_pmap_width,
467	new_pmap_height,
468	TINT_LEAVE_SAME, ASA_XImage,
469	100, ASIMAGE_QUALITY_DEFAULT);
470	if (tmp)
471	{
472	if (result != original_asim)
473	destroy_asimage (&result);
474
475	result = tmp;
476	}
477	}
478	}
479	else
480	{
481	/* if blending background and image - pixmap has to be sized same as target window */
482	ASImageLayer *layers = create_image_layers (2);
483
484	layers[0].im = background;
485	layers[0].clip_width = target_width;
486	layers[0].clip_height = target_height;
487	layers[0].tint = background_tint;
488	layers[1].im = result;
489
490	if (bg_flags & BG_TILE)
491	{
492	/* tile horizontally */
493	while (x > 0) x -= (int)result->width;
494	layers[1].dst_x = x;
495	layers[1].clip_width = result->width+target_width;
496	}
497	else
498	{
499	/* clip horizontally */
500	layers[1].dst_x = x;
501	layers[1].clip_width = result->width;
502	}
503
504	if (bg_flags & BG_TILE)
505	{
506	while (y > 0) y -= (int)result->height;
507	layers[1].dst_y = y;
508	layers[1].clip_height = result->height + target_height;
509	}
510	else
511	{
512	layers[1].dst_y = y;
513	layers[1].clip_height = result->height;
514	}
515
516	if (rs[Rs_blendtype])
517	{
518	layers[1].merge_scanlines = blend_scanlines_name2func (rs[Rs_blendtype]);
519	if (layers[1].merge_scanlines == NULL)
520	layers[1].merge_scanlines = alphablend_scanlines;
521	}
522
523	ASImage *tmp = merge_layers (asv, layers, 2, target_width, target_height,
524	ASA_XImage, 0, ASIMAGE_QUALITY_DEFAULT);
525
526	if (tmp)
527	{
528	if (result != original_asim)
529	destroy_asimage (&result);
530
531	result = tmp;
532	}
533
534	free (layers);
535	}
536	}
537
538	bool ret = false;
539
540	if (result)
541	{
542	XGCValues gcv;
543	GC gc;
544
545	/* create Pixmap */
546	if (bg_pixmap == None	547	if (bg_pixmap == None
547	|| bg_pmap_width != new_pmap_width	548	|| bg_pmap_width != new_pmap_width
548	|| bg_pmap_height != new_pmap_height)	549	|| bg_pmap_height != new_pmap_height)
549	{	550	{
550	if (bg_pixmap)	551	if (bg_pixmap)
551	XFreePixmap (dpy, bg_pixmap);	552	XFreePixmap (dpy, bg_pixmap);
552	bg_pixmap = XCreatePixmap (dpy, vt, new_pmap_width, new_pmap_height, depth);	553	bg_pixmap = XCreatePixmap (dpy, vt, new_pmap_width, new_pmap_height, depth);
553	bg_pmap_width = new_pmap_width;	554	bg_pmap_width = new_pmap_width;
554	bg_pmap_height = new_pmap_height;	555	bg_pmap_height = new_pmap_height;
555	}	556	}
556	/* fill with background color (if result's not completely overlapping it) */
557	gcv.foreground = pix_colors[Color_bg];
558	gc = XCreateGC (dpy, vt, GCForeground, &gcv);
559		557
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	{
564	if (!(bg_flags & BG_TILE))
565	{
566	src_x = make_clip_rectangle (x, result->width , new_pmap_width , dst_x, dst_width );
567	src_y = make_clip_rectangle (y, result->height, new_pmap_height, dst_y, dst_height);
568	}
569
570	if (dst_x > 0 || dst_y > 0
571	|| dst_x + dst_width < new_pmap_width
572	|| dst_y + dst_height < new_pmap_height)
573	XFillRectangle (dpy, bg_pixmap, gc, 0, 0, new_pmap_width, new_pmap_height);
574	}
575
576	/* put result on pixmap */
577	if (dst_x < new_pmap_width && dst_y < new_pmap_height)
578	asimage2drawable (asv, bg_pixmap, result, gc, src_x, src_y, dst_x, dst_y, dst_width, dst_height, True);
579
580	if (result != background && result != original_asim)
581	destroy_asimage (&result);
582
583	XFreeGC (dpy, gc);
584
585	ret = true;
586	}
587
588	if (background)
589	destroy_asimage (&background);
590
591	return ret;
592	}
593	# endif /* HAVE_AFTERIMAGE */
594
595	# ifdef HAVE_PIXBUF
596	bool
597	rxvt_term::pixbuf_to_pixmap (GdkPixbuf *pixbuf, Pixmap pixmap, GC gc,
598	int src_x, int src_y, int dst_x, int dst_y,
599	unsigned int width, unsigned int height)
600	{
601	XImage *ximage;
602	char *data, *line;
603	int bytes_per_pixel;
604	int width_r, width_g, width_b;
605	int sh_r, sh_g, sh_b;
606	int rowstride;
607	int channels;
608	unsigned char *row;
609
610	if (visual->c_class != TrueColor)
611	return false;
612
613	if (depth == 24 || depth == 32)
614	bytes_per_pixel = 4;
615	else if (depth == 15 || depth == 16)
616	bytes_per_pixel = 2;
617	else
618	return false;
619
620	width_r = ecb_popcount32 (visual->red_mask);
621	width_g = ecb_popcount32 (visual->green_mask);
622	width_b = ecb_popcount32 (visual->blue_mask);
623
624	if (width_r > 8 || width_g > 8 || width_b > 8)
625	return false;
626
627	sh_r = ecb_ctz32 (visual->red_mask);
628	sh_g = ecb_ctz32 (visual->green_mask);
629	sh_b = ecb_ctz32 (visual->blue_mask);
630
631	if (width > INT_MAX / height / bytes_per_pixel)
632	return false;
633
634	data = (char *)malloc (width * height * bytes_per_pixel);
635	if (!data)
636	return false;
637
638	ximage = XCreateImage (dpy, visual, depth, ZPixmap, 0, data,
639	width, height, bytes_per_pixel * 8, 0);
640	if (!ximage)
641	{
642	free (data);
643	return false;
644	}
645
646	ximage->byte_order = ecb_big_endian () ? MSBFirst : LSBFirst;
647
648	rowstride = gdk_pixbuf_get_rowstride (pixbuf);
649	channels = gdk_pixbuf_get_n_channels (pixbuf);
650	row = gdk_pixbuf_get_pixels (pixbuf) + src_y * rowstride + src_x * channels;
651	line = data;
652
653	for (int y = 0; y < height; y++)
654	{
655	for (int x = 0; x < width; x++)
656	{
657	unsigned char *pixel = row + x * channels;
658	uint32_t value;
659
660	value = ((pixel[0] >> (8 - width_r)) << sh_r)
661	| ((pixel[1] >> (8 - width_g)) << sh_g)
662	| ((pixel[2] >> (8 - width_b)) << sh_b);
663
664	if (bytes_per_pixel == 4)
665	((uint32_t *)line)[x] = value;
666	else
667	((uint16_t *)line)[x] = value;
668	}
669
670	row += rowstride;
671	line += ximage->bytes_per_line;
672	}
673
674	XPutImage (dpy, pixmap, gc, ximage, 0, 0, dst_x, dst_y, width, height);
675	XDestroyImage (ximage);
676	return true;
677	}
678
679	bool
680	rxvt_term::render_image (unsigned long tr_flags)
681	{
682	if (!pixbuf)
683	return false;
684
685	if (tr_flags
686	&& !(bg_flags & BG_HAS_RENDER))
687	return false;
688
689	GdkPixbuf *result;
690
691	int image_width = gdk_pixbuf_get_width (pixbuf);
692	int image_height = gdk_pixbuf_get_height (pixbuf);
693
694	int target_width = szHint.width;
695	int target_height = szHint.height;
696	int new_pmap_width = target_width;
697	int new_pmap_height = target_height;
698
699	int x = 0;
700	int y = 0;
701	int w = 0;
702	int h = 0;
703
704	get_image_geometry (image_width, image_height, w, h, x, y);
705
706	if (!(bg_flags & BG_ROOT_ALIGN)
707	&& (x >= target_width
708	|| y >= target_height
709	|| x + w <= 0
710	|| y + h <= 0))
711	return false;
712
713	result = pixbuf;
714
715	if (w != image_width
716	|| h != image_height)
717	{
718	result = gdk_pixbuf_scale_simple (pixbuf,
719	w, h,
720	GDK_INTERP_BILINEAR);
721	}
722
723	if (!result)
724	return false;
725
726	bool ret = false;
727
728	XGCValues gcv;
729	GC gc;
730	Pixmap root_pmap;
731
732	image_width = gdk_pixbuf_get_width (result);
733	image_height = gdk_pixbuf_get_height (result);
734
735	if (tr_flags)
736	{
737	root_pmap = bg_pixmap;	558	tmp_pixmap = bg_pixmap;
738	bg_pixmap = None;
739	}
740	else
741	{
742	if (bg_flags & BG_TILE)
743	{
744	new_pmap_width = min (image_width, target_width);
745	new_pmap_height = min (image_height, target_height);
746	}
747	}
748
749	if (bg_pixmap == None
750	|| bg_pmap_width != new_pmap_width
751	|| bg_pmap_height != new_pmap_height)
752	{
753	if (bg_pixmap)
754	XFreePixmap (dpy, bg_pixmap);
755	bg_pixmap = XCreatePixmap (dpy, vt, new_pmap_width, new_pmap_height, depth);
756	bg_pmap_width = new_pmap_width;
757	bg_pmap_height = new_pmap_height;
758	}	559	}
759		560
760	gcv.foreground = pix_colors[Color_bg];	561	gcv.foreground = pix_colors[Color_bg];
761	gc = XCreateGC (dpy, vt, GCForeground, &gcv);	562	gc = XCreateGC (dpy, tmp_pixmap, GCForeground, &gcv);
762		563
763	if (gc)	564	if (gc)
764	{	565	{
765	if (bg_flags & BG_TILE)	566	if (image.flags & IM_TILE)
766	{	567	{
767	Pixmap tile = XCreatePixmap (dpy, vt, image_width, image_height, depth);	568	Pixmap tile = XCreatePixmap (dpy, vt, image_width, image_height, need_blend ? 32 : depth);
768	pixbuf_to_pixmap (result, tile, gc,	569	pixbuf_to_pixmap (result, tile, gc,
769	0, 0,	570	0, 0,
770	0, 0,	571	0, 0,
771	image_width, image_height);	572	image_width, image_height, need_blend);
772		573
773	gcv.tile = tile;	574	gcv.tile = tile;
774	gcv.fill_style = FillTiled;	575	gcv.fill_style = FillTiled;
775	gcv.ts_x_origin = x;	576	gcv.ts_x_origin = x;
776	gcv.ts_y_origin = y;	577	gcv.ts_y_origin = y;
777	XChangeGC (dpy, gc, GCFillStyle | GCTile | GCTileStipXOrigin | GCTileStipYOrigin, &gcv);	578	XChangeGC (dpy, gc, GCFillStyle | GCTile | GCTileStipXOrigin | GCTileStipYOrigin, &gcv);
778		579
779	XFillRectangle (dpy, bg_pixmap, gc, 0, 0, new_pmap_width, new_pmap_height);	580	XFillRectangle (dpy, tmp_pixmap, gc, 0, 0, new_pmap_width, new_pmap_height);
780	XFreePixmap (dpy, tile);	581	XFreePixmap (dpy, tile);
781	}	582	}
782	else	583	else
783	{	584	{
784	int src_x, src_y, dst_x, dst_y;	585	int src_x, src_y, dst_x, dst_y;
…		…
788	src_y = make_clip_rectangle (y, image_height, new_pmap_height, dst_y, dst_height);	589	src_y = make_clip_rectangle (y, image_height, new_pmap_height, dst_y, dst_height);
789		590
790	if (dst_x > 0 || dst_y > 0	591	if (dst_x > 0 || dst_y > 0
791	|| dst_x + dst_width < new_pmap_width	592	|| dst_x + dst_width < new_pmap_width
792	|| dst_y + dst_height < new_pmap_height)	593	|| dst_y + dst_height < new_pmap_height)
793	XFillRectangle (dpy, bg_pixmap, gc, 0, 0, new_pmap_width, new_pmap_height);	594	XFillRectangle (dpy, tmp_pixmap, gc, 0, 0, new_pmap_width, new_pmap_height);
794		595
795	if (dst_x < new_pmap_width && dst_y < new_pmap_height)	596	if (dst_x < new_pmap_width && dst_y < new_pmap_height)
796	pixbuf_to_pixmap (result, bg_pixmap, gc,	597	pixbuf_to_pixmap (result, tmp_pixmap, gc,
797	src_x, src_y,	598	src_x, src_y,
798	dst_x, dst_y,	599	dst_x, dst_y,
799	dst_width, dst_height);	600	dst_width, dst_height, need_blend);
800	}	601	}
		602
		603	if (image.need_blur ())
		604	blur_pixmap (tmp_pixmap, new_pmap_width, new_pmap_height, need_blend, image.h_blurRadius, image.v_blurRadius);
		605	if (image.need_tint ())
		606	tint_pixmap (tmp_pixmap, new_pmap_width, new_pmap_height, need_blend, image.tint, image.tint_set, image.shade);
801		607
802	#if XRENDER	608	#if XRENDER
803	if (tr_flags)	609	if (need_blend)
804	{	610	{
805	XRenderPictureAttributes pa;	611	XRenderPictFormat *argb_format = XRenderFindStandardFormat (dpy, PictStandardARGB32);
806
807	XRenderPictFormat *src_format = XRenderFindVisualFormat (dpy, visual);	612	XRenderPictFormat *format = XRenderFindVisualFormat (dpy, visual);
		613
808	Picture src = XRenderCreatePicture (dpy, root_pmap, src_format, 0, &pa);	614	Picture src = XRenderCreatePicture (dpy, tmp_pixmap, argb_format, 0, 0);
809		615
810	XRenderPictFormat *dst_format = XRenderFindVisualFormat (dpy, visual);
811	Picture dst = XRenderCreatePicture (dpy, bg_pixmap, dst_format, 0, &pa);	616	Picture dst = XRenderCreatePicture (dpy, bg_pixmap, format, 0, 0);
812		617
813	pa.repeat = True;	618	Picture mask = create_xrender_mask (dpy, vt, False, False);
814	Pixmap mask_pmap = XCreatePixmap (dpy, vt, 1, 1, 8);
815	XRenderPictFormat *mask_format = XRenderFindStandardFormat (dpy, PictStandardA8);
816	Picture mask = XRenderCreatePicture (dpy, mask_pmap, mask_format, CPRepeat, &pa);
817	XFreePixmap (dpy, mask_pmap);
818		619
819	XRenderColor mask_c;	620	XRenderColor mask_c;
820		621
821	mask_c.alpha = 0x8000;	622	mask_c.alpha = image.alpha;
822	mask_c.red = 0;	623	mask_c.red =
823	mask_c.green = 0;	624	mask_c.green =
824	mask_c.blue = 0;	625	mask_c.blue = 0;
825	XRenderFillRectangle (dpy, PictOpSrc, mask, &mask_c, 0, 0, 1, 1);	626	XRenderFillRectangle (dpy, PictOpSrc, mask, &mask_c, 0, 0, 1, 1);
		627
826	XRenderComposite (dpy, PictOpOver, src, mask, dst, 0, 0, 0, 0, 0, 0, target_width, target_height);	628	XRenderComposite (dpy, PictOpOver, src, mask, dst, 0, 0, 0, 0, 0, 0, target_width, target_height);
827		629
828	XRenderFreePicture (dpy, src);	630	XRenderFreePicture (dpy, src);
829	XRenderFreePicture (dpy, dst);	631	XRenderFreePicture (dpy, dst);
830	XRenderFreePicture (dpy, mask);	632	XRenderFreePicture (dpy, mask);
…		…
837	}	639	}
838		640
839	if (result != pixbuf)	641	if (result != pixbuf)
840	g_object_unref (result);	642	g_object_unref (result);
841		643
842	if (tr_flags)	644	if (need_blend)
843	XFreePixmap (dpy, root_pmap);	645	XFreePixmap (dpy, tmp_pixmap);
844		646
845	return ret;	647	return ret;
846	}	648	}
847	# endif /* HAVE_PIXBUF */	649	# endif /* HAVE_PIXBUF */
848		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;
		662	# endif
		663	}
		664
849	bool	665	bool
850	rxvt_term::bg_set_file (const char *file)	666	rxvt_image::set_file_geometry (const char *file)
851	{	667	{
852	if (!file || !*file)	668	if (!file || !*file)
853	return false;	669	return false;
854		670
855	bool ret = false;
856	const char *p = strchr (file, ';');	671	const char *p = strchr (file, ';');
857		672
858	if (p)	673	if (p)
859	{	674	{
860	size_t len = p - file;	675	size_t len = p - file;
…		…
862	memcpy (f, file, len);	677	memcpy (f, file, len);
863	f[len] = '\0';	678	f[len] = '\0';
864	file = f;	679	file = f;
865	}	680	}
866		681
867	# ifdef HAVE_AFTERIMAGE	682	bool ret = set_file (file);
868	if (!asimman)	683	alpha = 0x8000;
869	asimman = create_generic_imageman (rs[Rs_path]);	684	if (ret)
870	ASImage *image = get_asimage (asimman, file, 0xFFFFFFFF, 100);	685	set_geometry (p ? p + 1 : "");
871	if (image)	686	return ret;
872	{	687	}
873	if (original_asim)
874	safe_asimage_destroy (original_asim);
875	original_asim = image;
876	bg_flags |= BG_IS_FROM_FILE | BG_CLIENT_RENDER;
877	ret = true;
878	}
879	# endif
880		688
		689	bool
		690	rxvt_image::set_file (const char *file)
		691	{
		692	bool ret = false;
		693
881	# ifdef HAVE_PIXBUF	694	# if HAVE_PIXBUF
882	GdkPixbuf *image = gdk_pixbuf_new_from_file (file, NULL);	695	GdkPixbuf *image = gdk_pixbuf_new_from_file (file, NULL);
883	if (image)	696	if (image)
884	{	697	{
885	if (pixbuf)	698	if (pixbuf)
886	g_object_unref (pixbuf);	699	g_object_unref (pixbuf);
887	pixbuf = image;	700	pixbuf = image;
888	bg_flags |= BG_IS_FROM_FILE;
889	ret = true;	701	ret = true;
890	}	702	}
891	# endif	703	# endif
892		704
893	if (ret)	705	if (ret)
894	{	706	flags |= IM_IS_SET;
895	if (p)
896	bg_set_geometry (p + 1);
897	else
898	bg_set_default_geometry ();
899	}
900		707
901	return ret;	708	return ret;
902	}	709	}
903		710
904	# endif /* BG_IMAGE_FROM_FILE */	711	# endif /* BG_IMAGE_FROM_FILE */
905		712
906	# ifdef ENABLE_TRANSPARENCY
907	bool	713	bool
908	rxvt_term::bg_set_transparent ()	714	image_effects::set_blur (const char *geom)
909	{
910	if (!(bg_flags & BG_IS_TRANSPARENT))
911	{
912	bg_flags |= BG_IS_TRANSPARENT;
913	return true;
914	}
915
916	return false;
917	}
918
919	bool
920	rxvt_term::bg_set_blur (const char *geom)
921	{	715	{
922	bool changed = false;	716	bool changed = false;
923	unsigned int hr, vr;	717	unsigned int hr, vr;
924	int junk;	718	int junk;
925	int geom_flags = XParseGeometry (geom, &junk, &junk, &hr, &vr);	719	int geom_flags = XParseGeometry (geom, &junk, &junk, &hr, &vr);
…		…
942	{	736	{
943	changed = true;	737	changed = true;
944	v_blurRadius = vr;	738	v_blurRadius = vr;
945	}	739	}
946		740
947	if (v_blurRadius == 0 && h_blurRadius == 0)
948	bg_flags &= ~BG_NEEDS_BLUR;
949	else
950	bg_flags |= BG_NEEDS_BLUR;
951
952	return changed;	741	return changed;
953	}	742	}
954		743
955	void
956	rxvt_term::set_tint_shade_flags ()
957	{
958	rgba c;
959	bool has_shade = shade != 100;
960
961	bg_flags &= ~BG_TINT_FLAGS;
962
963	if (bg_flags & BG_TINT_SET)
964	{
965	tint.get (c);
966	if (!has_shade
967	&& (c.r <= 0x00ff || c.r >= 0xff00)
968	&& (c.g <= 0x00ff || c.g >= 0xff00)
969	&& (c.b <= 0x00ff || c.b >= 0xff00))
970	bg_flags |= BG_TINT_BITAND;
971	}
972
973	if (has_shade || (bg_flags & BG_TINT_SET))
974	bg_flags |= BG_NEEDS_TINT;
975	}
976
977	bool	744	bool
978	rxvt_term::bg_set_tint (rxvt_color &new_tint)	745	image_effects::set_tint (const rxvt_color &new_tint)
979	{	746	{
980	if (!(bg_flags & BG_TINT_SET) || tint != new_tint)	747	if (!tint_set || tint != new_tint)
981	{	748	{
982	tint = new_tint;	749	tint = new_tint;
983	bg_flags |= BG_TINT_SET;	750	tint_set = true;
984	set_tint_shade_flags ();	751
985	return true;	752	return true;
986	}	753	}
987		754
988	return false;	755	return false;
989	}	756	}
990		757
991	bool	758	bool
992	rxvt_term::bg_set_shade (const char *shade_str)	759	image_effects::set_shade (const char *shade_str)
993	{	760	{
994	int new_shade = (shade_str) ? atoi (shade_str) : 100;	761	int new_shade = atoi (shade_str);
995		762
996	clamp_it (new_shade, -100, 200);	763	clamp_it (new_shade, -100, 200);
997	if (new_shade < 0)	764	if (new_shade < 0)
998	new_shade = 200 - (100 + new_shade);	765	new_shade = 200 - (100 + new_shade);
999		766
1000	if (new_shade != shade)	767	if (new_shade != shade)
1001	{	768	{
1002	shade = new_shade;	769	shade = new_shade;
1003	set_tint_shade_flags ();
1004	return true;	770	return true;
1005	}	771	}
1006		772
1007	return false;	773	return false;
1008	}	774	}
…		…
1029	params[i+2] = XDoubleToFixed (kernel[i] / sum);	795	params[i+2] = XDoubleToFixed (kernel[i] / sum);
1030	}	796	}
1031	#endif	797	#endif
1032		798
1033	bool	799	bool
1034	rxvt_term::blur_pixmap (Pixmap pixmap, Visual *visual, int width, int height)	800	rxvt_term::blur_pixmap (Pixmap pixmap, int width, int height, bool argb, int h_blurRadius, int v_blurRadius)
1035	{	801	{
1036	bool ret = false;	802	bool ret = false;
1037	#if XRENDER	803	#if XRENDER
1038	if (!(bg_flags & BG_HAS_RENDER_CONV))	804	if (!(display->flags & DISPLAY_HAS_RENDER_CONV))
1039	return false;	805	return false;
1040		806
1041	int size = max (h_blurRadius, v_blurRadius) * 2 + 1;	807	int size = max (h_blurRadius, v_blurRadius) * 2 + 1;
1042	double *kernel = (double *)malloc (size * sizeof (double));	808	double *kernel = (double *)malloc (size * sizeof (double));
1043	XFixed *params = (XFixed *)malloc ((size + 2) * sizeof (XFixed));	809	XFixed *params = (XFixed *)malloc ((size + 2) * sizeof (XFixed));
1044		810
1045	XRenderPictureAttributes pa;	811	XRenderPictureAttributes pa;
1046	XRenderPictFormat *format = XRenderFindVisualFormat (dpy, visual);	812	XRenderPictFormat *format = argb ? XRenderFindStandardFormat (dpy, PictStandardARGB32)
		813	: XRenderFindVisualFormat (dpy, visual);
1047		814
		815	pa.repeat = RepeatPad;
1048	Picture src = XRenderCreatePicture (dpy, pixmap, format, 0, &pa);	816	Picture src = XRenderCreatePicture (dpy, pixmap, format, CPRepeat, &pa);
		817	Pixmap tmp = XCreatePixmap (dpy, pixmap, width, height, depth);
1049	Picture dst = XRenderCreatePicture (dpy, pixmap, format, 0, &pa);	818	Picture dst = XRenderCreatePicture (dpy, tmp, format, CPRepeat, &pa);
		819	XFreePixmap (dpy, tmp);
1050		820
1051	if (kernel && params)	821	if (kernel && params)
1052	{	822	{
1053	if (h_blurRadius)
1054	{
1055	size = h_blurRadius * 2 + 1;	823	size = h_blurRadius * 2 + 1;
1056	get_gaussian_kernel (h_blurRadius, size, kernel, params);	824	get_gaussian_kernel (h_blurRadius, size, kernel, params);
1057		825
1058	XRenderSetPictureFilter (dpy, src, FilterConvolution, params, size+2);	826	XRenderSetPictureFilter (dpy, src, FilterConvolution, params, size+2);
1059	XRenderComposite (dpy,	827	XRenderComposite (dpy,
1060	PictOpSrc,	828	PictOpSrc,
1061	src,	829	src,
1062	None,	830	None,
1063	dst,	831	dst,
1064	0, 0,	832	0, 0,
1065	0, 0,	833	0, 0,
1066	0, 0,	834	0, 0,
1067	width, height);	835	width, height);
1068	}
1069		836
1070	if (v_blurRadius)	837	::swap (src, dst);
1071	{	838
1072	size = v_blurRadius * 2 + 1;	839	size = v_blurRadius * 2 + 1;
1073	get_gaussian_kernel (v_blurRadius, size, kernel, params);	840	get_gaussian_kernel (v_blurRadius, size, kernel, params);
1074	::swap (params[0], params[1]);	841	::swap (params[0], params[1]);
1075		842
1076	XRenderSetPictureFilter (dpy, src, FilterConvolution, params, size+2);	843	XRenderSetPictureFilter (dpy, src, FilterConvolution, params, size+2);
1077	XRenderComposite (dpy,	844	XRenderComposite (dpy,
1078	PictOpSrc,	845	PictOpSrc,
1079	src,	846	src,
1080	None,	847	None,
1081	dst,	848	dst,
1082	0, 0,	849	0, 0,
1083	0, 0,	850	0, 0,
1084	0, 0,	851	0, 0,
1085	width, height);	852	width, height);
1086	}
1087		853
1088	ret = true;	854	ret = true;
1089	}	855	}
1090		856
1091	free (kernel);	857	free (kernel);
…		…
1095	#endif	861	#endif
1096	return ret;	862	return ret;
1097	}	863	}
1098		864
1099	bool	865	bool
1100	rxvt_term::tint_pixmap (Pixmap pixmap, Visual *visual, int width, int height)	866	rxvt_term::tint_pixmap (Pixmap pixmap, int width, int height, bool argb, rxvt_color &tint, bool tint_set, int shade)
1101	{	867	{
1102	bool ret = false;	868	bool ret = false;
1103		869
1104	if (bg_flags & BG_TINT_BITAND)	870	rgba c (rgba::MAX_CC, rgba::MAX_CC, rgba::MAX_CC);
		871
		872	if (tint_set)
		873	tint.get (c);
		874
		875	if (shade == 100
		876	&& (c.r <= 0x00ff || c.r >= 0xff00)
		877	&& (c.g <= 0x00ff || c.g >= 0xff00)
		878	&& (c.b <= 0x00ff || c.b >= 0xff00))
1105	{	879	{
1106	XGCValues gcv;	880	XGCValues gcv;
1107	GC gc;	881	GC gc;
1108		882
1109	/* In this case we can tint image server-side getting significant	883	/* In this case we can tint image server-side getting significant
…		…
1119	ret = true;	893	ret = true;
1120	XFreeGC (dpy, gc);	894	XFreeGC (dpy, gc);
1121	}	895	}
1122	}	896	}
1123	# if XRENDER	897	# if XRENDER
1124	else if (bg_flags & BG_HAS_RENDER)	898	else if (display->flags & DISPLAY_HAS_RENDER)
1125	{	899	{
1126	rgba c (rgba::MAX_CC, rgba::MAX_CC, rgba::MAX_CC);
1127
1128	if (bg_flags & BG_TINT_SET)
1129	tint.get (c);
1130
1131	if (shade <= 100)	900	if (shade <= 100)
1132	{	901	{
1133	c.r = c.r * shade / 100;	902	c.r = c.r * shade / 100;
1134	c.g = c.g * shade / 100;	903	c.g = c.g * shade / 100;
1135	c.b = c.b * shade / 100;	904	c.b = c.b * shade / 100;
…		…
1139	c.r = c.r * (200 - shade) / 100;	908	c.r = c.r * (200 - shade) / 100;
1140	c.g = c.g * (200 - shade) / 100;	909	c.g = c.g * (200 - shade) / 100;
1141	c.b = c.b * (200 - shade) / 100;	910	c.b = c.b * (200 - shade) / 100;
1142	}	911	}
1143		912
1144	XRenderPictFormat *solid_format = XRenderFindStandardFormat (dpy, PictStandardARGB32);	913	XRenderPictFormat *format = argb ? XRenderFindStandardFormat (dpy, PictStandardARGB32)
1145	XRenderPictFormat *format = XRenderFindVisualFormat (dpy, visual);	914	: XRenderFindVisualFormat (dpy, visual);
1146	XRenderPictureAttributes pa;
1147		915
1148	Picture back_pic = XRenderCreatePicture (dpy, pixmap, format, 0, &pa);	916	Picture back_pic = XRenderCreatePicture (dpy, pixmap, format, 0, 0);
1149		917
1150	pa.repeat = True;	918	Picture overlay_pic = create_xrender_mask (dpy, pixmap, True, False);
1151		919
1152	Pixmap overlay_pmap = XCreatePixmap (dpy, pixmap, 1, 1, 32);	920	Picture mask_pic = create_xrender_mask (dpy, pixmap, True, True);
1153	Picture overlay_pic = XRenderCreatePicture (dpy, overlay_pmap, solid_format, CPRepeat, &pa);
1154	XFreePixmap (dpy, overlay_pmap);
1155
1156	pa.component_alpha = True;
1157	Pixmap mask_pmap = XCreatePixmap (dpy, pixmap, 1, 1, 32);
1158	Picture mask_pic = XRenderCreatePicture (dpy, mask_pmap, solid_format, CPRepeat | CPComponentAlpha, &pa);
1159	XFreePixmap (dpy, mask_pmap);
1160		921
1161	XRenderColor mask_c;	922	XRenderColor mask_c;
1162		923
1163	mask_c.alpha = 0xffff;	924	mask_c.alpha = 0xffff;
1164	mask_c.red =	925	mask_c.red =
…		…
1169	mask_c.alpha = 0;	930	mask_c.alpha = 0;
1170	mask_c.red = 0xffff - c.r;	931	mask_c.red = 0xffff - c.r;
1171	mask_c.green = 0xffff - c.g;	932	mask_c.green = 0xffff - c.g;
1172	mask_c.blue = 0xffff - c.b;	933	mask_c.blue = 0xffff - c.b;
1173	XRenderFillRectangle (dpy, PictOpSrc, mask_pic, &mask_c, 0, 0, 1, 1);	934	XRenderFillRectangle (dpy, PictOpSrc, mask_pic, &mask_c, 0, 0, 1, 1);
		935
1174	XRenderComposite (dpy, PictOpOver, overlay_pic, mask_pic, back_pic, 0, 0, 0, 0, 0, 0, width, height);	936	XRenderComposite (dpy, PictOpOver, overlay_pic, mask_pic, back_pic, 0, 0, 0, 0, 0, 0, width, height);
1175		937
1176	if (shade > 100)	938	if (shade > 100)
1177	{	939	{
1178	mask_c.red = mask_c.green = mask_c.blue = 0xffff * (shade - 100) / 100;
1179	mask_c.alpha = 0;	940	mask_c.alpha = 0;
		941	mask_c.red =
		942	mask_c.green =
		943	mask_c.blue = 0xffff * (shade - 100) / 100;
1180	XRenderFillRectangle (dpy, PictOpSrc, overlay_pic, &mask_c, 0, 0, 1, 1);	944	XRenderFillRectangle (dpy, PictOpSrc, overlay_pic, &mask_c, 0, 0, 1, 1);
1181		945
1182	XRenderComposite (dpy, PictOpOver, overlay_pic, None, back_pic, 0, 0, 0, 0, 0, 0, width, height);	946	XRenderComposite (dpy, PictOpOver, overlay_pic, None, back_pic, 0, 0, 0, 0, 0, 0, width, height);
1183	}	947	}
1184		948
…		…
1191	# endif	955	# endif
1192		956
1193	return ret;	957	return ret;
1194	}	958	}
1195		959
		960	# if ENABLE_TRANSPARENCY
1196	/*	961	/*
1197	* Builds a pixmap of the same size as the terminal window that contains	962	* Builds a pixmap of the same size as the terminal window that contains
1198	* the 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
1199	* our window.	964	* our window.
1200	*/	965	*/
1201	unsigned long	966	bool
1202	rxvt_term::make_transparency_pixmap ()	967	rxvt_term::render_root_image ()
1203	{	968	{
1204	unsigned long result = 0;	969	bool ret = false;
1205		970
1206	/* root dimensions may change from call to call - but Display structure should	971	/* root dimensions may change from call to call - but Display structure should
1207	* be always up-to-date, so let's use it :	972	* be always up-to-date, so let's use it :
1208	*/	973	*/
1209	int screen = display->screen;	974	int screen = display->screen;
…		…
1243	Pixmap recoded_root_pmap = root_pixmap;	1008	Pixmap recoded_root_pmap = root_pixmap;
1244		1009
1245	if (root_pixmap != None && root_depth != depth)	1010	if (root_pixmap != None && root_depth != depth)
1246	{	1011	{
1247	#if XRENDER	1012	#if XRENDER
1248	if (bg_flags & BG_HAS_RENDER)	1013	if (display->flags & DISPLAY_HAS_RENDER)
1249	{	1014	{
1250	recoded_root_pmap = XCreatePixmap (dpy, vt, root_pmap_width, root_pmap_height, depth);	1015	recoded_root_pmap = XCreatePixmap (dpy, vt, root_pmap_width, root_pmap_height, depth);
1251		1016
1252	XRenderPictureAttributes pa;
1253
1254	XRenderPictFormat *src_format = XRenderFindVisualFormat (dpy, DefaultVisual (dpy, screen));	1017	XRenderPictFormat *src_format = XRenderFindVisualFormat (dpy, DefaultVisual (dpy, screen));
1255	Picture src = XRenderCreatePicture (dpy, root_pixmap, src_format, 0, &pa);	1018	Picture src = XRenderCreatePicture (dpy, root_pixmap, src_format, 0, 0);
1256		1019
1257	XRenderPictFormat *dst_format = XRenderFindVisualFormat (dpy, visual);	1020	XRenderPictFormat *dst_format = XRenderFindVisualFormat (dpy, visual);
1258	Picture dst = XRenderCreatePicture (dpy, recoded_root_pmap, dst_format, 0, &pa);	1021	Picture dst = XRenderCreatePicture (dpy, recoded_root_pmap, dst_format, 0, 0);
1259		1022
1260	XRenderComposite (dpy, PictOpSrc, src, None, dst, 0, 0, 0, 0, 0, 0, root_pmap_width, root_pmap_height);	1023	XRenderComposite (dpy, PictOpSrc, src, None, dst, 0, 0, 0, 0, 0, 0, root_pmap_width, root_pmap_height);
1261		1024
1262	XRenderFreePicture (dpy, src);	1025	XRenderFreePicture (dpy, src);
1263	XRenderFreePicture (dpy, dst);	1026	XRenderFreePicture (dpy, dst);
…		…
1292	gc = XCreateGC (dpy, vt, GCFillStyle | GCTile | GCTileStipXOrigin | GCTileStipYOrigin, &gcv);	1055	gc = XCreateGC (dpy, vt, GCFillStyle | GCTile | GCTileStipXOrigin | GCTileStipYOrigin, &gcv);
1293		1056
1294	if (gc)	1057	if (gc)
1295	{	1058	{
1296	XFillRectangle (dpy, bg_pixmap, gc, 0, 0, window_width, window_height);	1059	XFillRectangle (dpy, bg_pixmap, gc, 0, 0, window_width, window_height);
1297	result |= BG_IS_VALID | (bg_flags & BG_EFFECTS_FLAGS);	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;
		1069	}
		1070	if (need_tint)
		1071	{
		1072	if (tint_pixmap (bg_pixmap, window_width, window_height, false,
		1073	root_effects.tint, root_effects.tint_set, root_effects.shade))
		1074	need_tint = false;
		1075	}
		1076	if (need_tint)
		1077	{
		1078	XImage *ximage = XGetImage (dpy, bg_pixmap, 0, 0, bg_pmap_width, bg_pmap_height, AllPlanes, ZPixmap);
		1079	if (ximage)
		1080	{
		1081	/* our own client-side tinting */
		1082	tint_ximage (ximage, root_effects.tint, root_effects.tint_set, root_effects.shade);
		1083
		1084	XPutImage (dpy, bg_pixmap, gc, ximage, 0, 0, 0, 0, ximage->width, ximage->height);
		1085	XDestroyImage (ximage);
		1086	}
		1087	}
		1088
1298	XFreeGC (dpy, gc);	1089	XFreeGC (dpy, gc);
1299
1300	if (!(bg_flags & BG_CLIENT_RENDER))
1301	{
1302	if (bg_flags & BG_NEEDS_BLUR)
1303	{
1304	if (blur_pixmap (bg_pixmap, visual, window_width, window_height))
1305	result &= ~BG_NEEDS_BLUR;
1306	}
1307	if (bg_flags & BG_NEEDS_TINT)
1308	{
1309	if (tint_pixmap (bg_pixmap, visual, window_width, window_height))
1310	result &= ~BG_NEEDS_TINT;
1311	}
1312	} /* server side rendering completed */
1313	}	1090	}
1314		1091
1315	if (recoded_root_pmap != root_pixmap)	1092	if (recoded_root_pmap != root_pixmap)
1316	XFreePixmap (dpy, recoded_root_pmap);	1093	XFreePixmap (dpy, recoded_root_pmap);
1317		1094
1318	return result;	1095	return ret;
1319	}	1096	}
1320		1097
1321	void	1098	void
1322	rxvt_term::bg_set_root_pixmap ()	1099	rxvt_term::bg_set_root_pixmap ()
1323	{	1100	{
1324	Pixmap new_root_pixmap = get_pixmap_property (xa[XA_XROOTPMAP_ID]);	1101	Pixmap new_root_pixmap = display->get_pixmap_property (xa[XA_XROOTPMAP_ID]);
1325	if (new_root_pixmap == None)	1102	if (new_root_pixmap == None)
1326	new_root_pixmap = get_pixmap_property (xa[XA_ESETROOT_PMAP_ID]);	1103	new_root_pixmap = display->get_pixmap_property (xa[XA_ESETROOT_PMAP_ID]);
1327		1104
1328	root_pixmap = new_root_pixmap;	1105	root_pixmap = new_root_pixmap;
1329	}	1106	}
1330	# endif /* ENABLE_TRANSPARENCY */	1107	# endif /* ENABLE_TRANSPARENCY */
1331		1108
1332	#if defined(ENABLE_TRANSPARENCY) && !defined(HAVE_AFTERIMAGE)	1109	void
1333	static void shade_ximage (Visual *visual, XImage *ximage, int shade, const rgba &c);	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	}
1334	# endif	1120	# endif
1335		1121
1336	bool
1337	rxvt_term::bg_render ()
1338	{
1339	unsigned long tr_flags = 0;
1340
1341	bg_invalidate ();
1342	# ifdef ENABLE_TRANSPARENCY
1343	if (bg_flags & BG_IS_TRANSPARENT)
1344	{
1345	/* we need to re-generate transparency pixmap in that case ! */
1346	tr_flags = make_transparency_pixmap ();
1347	if (tr_flags == 0)
1348	return false;
1349	bg_flags |= BG_IS_VALID;
1350	}
1351	# endif
1352
1353	# ifdef BG_IMAGE_FROM_FILE	1122	# if BG_IMAGE_FROM_FILE
1354	if ((bg_flags & BG_IS_FROM_FILE)	1123	if (fimage.flags & IM_IS_SET)
1355	|| (tr_flags & BG_EFFECTS_FLAGS))
1356	{	1124	{
1357	if (render_image (tr_flags))	1125	if (render_image (fimage))
1358	bg_flags |= BG_IS_VALID;	1126	bg_flags |= BG_IS_VALID;
1359	}
1360	# endif
1361
1362	# if defined(ENABLE_TRANSPARENCY) && !defined(HAVE_AFTERIMAGE)
1363	XImage *result = NULL;
1364
1365	if (tr_flags & BG_NEEDS_TINT)
1366	{
1367	result = XGetImage (dpy, bg_pixmap, 0, 0, bg_pmap_width, bg_pmap_height, AllPlanes, ZPixmap);
1368	}
1369
1370	if (result)
1371	{
1372	/* our own client-side tinting */
1373	//if (tr_flags & BG_NEEDS_TINT)
1374	if (1)
1375	{
1376	rgba c (rgba::MAX_CC,rgba::MAX_CC,rgba::MAX_CC);
1377	if (bg_flags & BG_TINT_SET)
1378	tint.get (c);
1379	shade_ximage (DefaultVisual (dpy, display->screen), result, shade, c);
1380	}
1381
1382	GC gc = XCreateGC (dpy, vt, 0UL, NULL);
1383
1384	if (gc)
1385	{
1386	XPutImage (dpy, bg_pixmap, gc, result, 0, 0, 0, 0, result->width, result->height);
1387
1388	XFreeGC (dpy, gc);
1389	}
1390
1391	XDestroyImage (result);
1392	}	1127	}
1393	# endif	1128	# endif
1394		1129
1395	if (!(bg_flags & BG_IS_VALID))	1130	if (!(bg_flags & BG_IS_VALID))
1396	{	1131	{
…		…
1403		1138
1404	scr_recolour (false);	1139	scr_recolour (false);
1405	bg_flags |= BG_NEEDS_REFRESH;	1140	bg_flags |= BG_NEEDS_REFRESH;
1406		1141
1407	bg_valid_since = ev::now ();	1142	bg_valid_since = ev::now ();
1408
1409	return true;
1410	}	1143	}
1411		1144
1412	void	1145	void
1413	rxvt_term::bg_init ()	1146	rxvt_term::bg_init ()
1414	{	1147	{
1415	#ifdef ENABLE_TRANSPARENCY	1148	#if BG_IMAGE_FROM_FILE
1416	shade = 100;	1149	if (rs[Rs_backgroundPixmap])
		1150	{
		1151	if (fimage.set_file_geometry (rs[Rs_backgroundPixmap])
		1152	&& !bg_window_position_sensitive ())
		1153	update_background ();
		1154	}
1417	#endif	1155	#endif
1418
1419	bg_flags &= ~(BG_HAS_RENDER | BG_HAS_RENDER_CONV);
1420	#if XRENDER
1421	int major, minor;
1422	if (XRenderQueryVersion (dpy, &major, &minor))
1423	bg_flags |= BG_HAS_RENDER;
1424	XFilters *filters = XRenderQueryFilters (dpy, vt);
1425	if (filters)
1426	{
1427	for (int i = 0; i < filters->nfilter; i++)
1428	if (!strcmp (filters->filter[i], FilterConvolution))
1429	bg_flags |= BG_HAS_RENDER_CONV;
1430
1431	XFree (filters);
1432	}
1433	#endif
1434	}	1156	}
1435		1157
1436	#endif /* HAVE_BG_PIXMAP */
1437
1438	#if defined(ENABLE_TRANSPARENCY) && !defined(HAVE_AFTERIMAGE)
1439	/* based on code from aterm-0.4.2 */	1158	/* based on code from aterm-0.4.2 */
1440		1159
1441	static inline void	1160	static inline void
1442	fill_lut (uint32_t *lookup, uint32_t mask, int sh, unsigned short low, unsigned short high)	1161	fill_lut (uint32_t *lookup, uint32_t mask, int sh, unsigned short low, unsigned short high)
1443	{	1162	{
…		…
1448	tmp += (mask >> sh) * low;	1167	tmp += (mask >> sh) * low;
1449	lookup[i] = (tmp / 0xffff) << sh;	1168	lookup[i] = (tmp / 0xffff) << sh;
1450	}	1169	}
1451	}	1170	}
1452		1171
1453	static void	1172	void
1454	shade_ximage (Visual *visual, XImage *ximage, int shade, const rgba &c)	1173	rxvt_term::tint_ximage (XImage *ximage, rxvt_color &tint, bool tint_set, int shade)
1455	{	1174	{
		1175	unsigned int size_r, size_g, size_b;
1456	int sh_r, sh_g, sh_b;	1176	int sh_r, sh_g, sh_b;
1457	uint32_t mask_r, mask_g, mask_b;	1177	uint32_t mask_r, mask_g, mask_b;
1458	uint32_t *lookup, *lookup_r, *lookup_g, *lookup_b;	1178	uint32_t *lookup, *lookup_r, *lookup_g, *lookup_b;
1459	unsigned short low;	1179	unsigned short low;
1460	rgba high;
1461	int host_byte_order = ecb_big_endian () ? MSBFirst : LSBFirst;	1180	int host_byte_order = ecb_big_endian () ? MSBFirst : LSBFirst;
1462		1181
1463	if (visual->c_class != TrueColor || ximage->format != ZPixmap) return;	1182	if (visual->c_class != TrueColor || ximage->format != ZPixmap) return;
1464		1183
1465	/* for convenience */	1184	/* for convenience */
1466	mask_r = visual->red_mask;	1185	mask_r = visual->red_mask;
1467	mask_g = visual->green_mask;	1186	mask_g = visual->green_mask;
1468	mask_b = visual->blue_mask;	1187	mask_b = visual->blue_mask;
1469		1188
1470	/* boring lookup table pre-initialization */	1189	/* boring lookup table pre-initialization */
1471	switch (ximage->depth)	1190	sh_r = ecb_ctz32 (mask_r);
1472	{	1191	sh_g = ecb_ctz32 (mask_g);
1473	case 15:	1192	sh_b = ecb_ctz32 (mask_b);
1474	if ((mask_r != 0x7c00) ||	1193
1475	(mask_g != 0x03e0) ||	1194	size_r = mask_r >> sh_r;
1476	(mask_b != 0x001f))	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)
1477	return;	1199	return;
1478	lookup = (uint32_t *) malloc (sizeof (uint32_t)*(32+32+32));	1200
		1201	lookup = (uint32_t *)malloc (sizeof (uint32_t) * (size_r + size_g + size_b));
1479	lookup_r = lookup;	1202	lookup_r = lookup;
1480	lookup_g = lookup+32;	1203	lookup_g = lookup + size_r;
1481	lookup_b = lookup+32+32;	1204	lookup_b = lookup + size_r + size_g;
1482	sh_r = 10;	1205
1483	sh_g = 5;	1206	rgba c (rgba::MAX_CC, rgba::MAX_CC, rgba::MAX_CC);
1484	sh_b = 0;	1207
1485	break;	1208	if (tint_set)
1486	case 16:	1209	tint.get (c);
1487	if ((mask_r != 0xf800) ||
1488	(mask_g != 0x07e0) ||
1489	(mask_b != 0x001f))
1490	return;
1491	lookup = (uint32_t *) malloc (sizeof (uint32_t)*(32+64+32));
1492	lookup_r = lookup;
1493	lookup_g = lookup+32;
1494	lookup_b = lookup+32+64;
1495	sh_r = 11;
1496	sh_g = 5;
1497	sh_b = 0;
1498	break;
1499	case 24:
1500	if ((mask_r != 0xff0000) ||
1501	(mask_g != 0x00ff00) ||
1502	(mask_b != 0x0000ff))
1503	return;
1504	lookup = (uint32_t *) malloc (sizeof (uint32_t)*(256+256+256));
1505	lookup_r = lookup;
1506	lookup_g = lookup+256;
1507	lookup_b = lookup+256+256;
1508	sh_r = 16;
1509	sh_g = 8;
1510	sh_b = 0;
1511	break;
1512	case 32:
1513	if ((mask_r != 0xff0000) ||
1514	(mask_g != 0x00ff00) ||
1515	(mask_b != 0x0000ff))
1516	return;
1517	lookup = (uint32_t *) malloc (sizeof (uint32_t)*(256+256+256));
1518	lookup_r = lookup;
1519	lookup_g = lookup+256;
1520	lookup_b = lookup+256+256;
1521	sh_r = 16;
1522	sh_g = 8;
1523	sh_b = 0;
1524	break;
1525	default:
1526	return; /* we do not support this color depth */
1527	}
1528		1210
1529	/* prepare limits for color transformation (each channel is handled separately) */	1211	/* prepare limits for color transformation (each channel is handled separately) */
1530	if (shade > 100)	1212	if (shade > 100)
1531	{	1213	{
1532	shade = 200 - shade;	1214	c.r = c.r * (200 - shade) / 100;
		1215	c.g = c.g * (200 - shade) / 100;
		1216	c.b = c.b * (200 - shade) / 100;
1533		1217
1534	high.r = c.r * shade / 100;
1535	high.g = c.g * shade / 100;
1536	high.b = c.b * shade / 100;
1537
1538	low = 0xffff * (100 - shade) / 100;	1218	low = 0xffff * (shade - 100) / 100;
1539	}	1219	}
1540	else	1220	else
1541	{	1221	{
1542	high.r = c.r * shade / 100;	1222	c.r = c.r * shade / 100;
1543	high.g = c.g * shade / 100;	1223	c.g = c.g * shade / 100;
1544	high.b = c.b * shade / 100;	1224	c.b = c.b * shade / 100;
1545		1225
1546	low = 0;	1226	low = 0;
1547	}	1227	}
1548		1228
1549	/* fill our lookup tables */	1229	/* fill our lookup tables */
1550	fill_lut (lookup_r, mask_r, sh_r, low, high.r);	1230	fill_lut (lookup_r, mask_r, sh_r, low, c.r);
1551	fill_lut (lookup_g, mask_g, sh_g, low, high.g);	1231	fill_lut (lookup_g, mask_g, sh_g, low, c.g);
1552	fill_lut (lookup_b, mask_b, sh_b, low, high.b);	1232	fill_lut (lookup_b, mask_b, sh_b, low, c.b);
1553		1233
1554	/* apply table to input image (replacing colors by newly calculated ones) */	1234	/* apply table to input image (replacing colors by newly calculated ones) */
1555	if (ximage->bits_per_pixel == 32	1235	if (ximage->bits_per_pixel == 32
1556	&& (ximage->depth == 24 || ximage->depth == 32)
1557	&& ximage->byte_order == host_byte_order)	1236	&& ximage->byte_order == host_byte_order)
1558	{	1237	{
1559	uint32_t *p1, *pf, *p, *pl;	1238	char *line = ximage->data;
1560	p1 = (uint32_t *) ximage->data;
1561	pf = (uint32_t *) (ximage->data + ximage->height * ximage->bytes_per_line);
1562		1239
1563	while (p1 < pf)	1240	for (int y = 0; y < ximage->height; y++)
1564	{	1241	{
1565	p = p1;	1242	uint32_t *p = (uint32_t *)line;
1566	pl = p1 + ximage->width;	1243	for (int x = 0; x < ximage->width; x++)
1567	for (; p < pl; p++)
1568	{	1244	{
1569	*p = lookup_r[(*p & 0xff0000) >> 16] |	1245	*p = lookup_r[(*p & mask_r) >> sh_r] |
1570	lookup_g[(*p & 0x00ff00) >> 8] |	1246	lookup_g[(*p & mask_g) >> sh_g] |
1571	lookup_b[(*p & 0x0000ff)] |	1247	lookup_b[(*p & mask_b) >> sh_b];
1572	(*p & 0xff000000);	1248	p++;
1573	}	1249	}
1574	p1 = (uint32_t *) ((char *) p1 + ximage->bytes_per_line);	1250	line += ximage->bytes_per_line;
1575	}	1251	}
1576	}	1252	}
1577	else	1253	else
1578	{	1254	{
1579	for (int y = 0; y < ximage->height; y++)	1255	for (int y = 0; y < ximage->height; y++)
…		…
1587	}	1263	}
1588	}	1264	}
1589		1265
1590	free (lookup);	1266	free (lookup);
1591	}	1267	}
1592	#endif /* defined(ENABLE_TRANSPARENCY) && !defined(HAVE_AFTERIMAGE) */	1268
		1269	#endif /* HAVE_BG_PIXMAP */

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