ViewVC Help

View File | Revision Log | Show Annotations | Download File

/cvs/rxvt-unicode/src/background.C

Comparing rxvt-unicode/src/background.C (file contents):
Revision 1.171 by sf-exg, Sun Aug 21 14:38:39 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_PROP_SCALE;
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=pscale"))	216	else if (!strcasecmp (arr[i], "op=keep-aspect"))
233	new_flags |= BG_PROP_SCALE;	217	new_flags |= IM_KEEP_ASPECT;
234	else if (!strcasecmp (arr[i], "op=root"))	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_PROP_SCALE;	230	new_flags |= IM_KEEP_ASPECT;
		231	w = h = windowScale;
		232	geom_flags |= WidthValue|HeightValue;
247	}	233	}
248	else if (!strcasecmp (arr[i], "hscale"))	234	else if (!strcasecmp (arr[i], "hscale"))
249	{	235	{
250	new_flags |= BG_TILE;	236	new_flags |= IM_TILE;
251	w = windowScale;	237	w = windowScale;
252	h = noScale;	238	h = noScale;
253	geom_flags |= WidthValue|HeightValue;	239	geom_flags |= WidthValue|HeightValue;
254	}	240	}
255	else if (!strcasecmp (arr[i], "vscale"))	241	else if (!strcasecmp (arr[i], "vscale"))
256	{	242	{
257	new_flags |= BG_TILE;	243	new_flags |= IM_TILE;
258	h = windowScale;	244	h = windowScale;
259	w = noScale;	245	w = noScale;
260	geom_flags |= WidthValue|HeightValue;	246	geom_flags |= WidthValue|HeightValue;
261	}	247	}
262	else if (!strcasecmp (arr[i], "scale"))	248	else if (!strcasecmp (arr[i], "scale"))
…		…
270	x = y = centerAlign;	256	x = y = centerAlign;
271	geom_flags |= WidthValue|HeightValue|XValue|YValue;	257	geom_flags |= WidthValue|HeightValue|XValue|YValue;
272	}	258	}
273	else if (!strcasecmp (arr[i], "root"))	259	else if (!strcasecmp (arr[i], "root"))
274	{	260	{
275	new_flags |= BG_TILE|BG_ROOT_ALIGN;	261	new_flags |= IM_TILE|IM_ROOT_ALIGN;
276	w = h = noScale;	262	w = h = noScale;
277	geom_flags |= WidthValue|HeightValue;	263	geom_flags |= WidthValue|HeightValue;
278	}	264	}
279		265
280	else	266	else
281	geom_flags |= XParseGeometry (arr[i], &x, &y, &w, &h);	267	geom_flags |= XParseGeometry (arr[i], &x, &y, &w, &h);
282	} /* done parsing ops */	268	} /* done parsing ops */
283		269
284	rxvt_free_strsplit (arr);	270	rxvt_free_strsplit (arr);
285	}	271	}
		272
		273	new_flags |= flags & ~IM_GEOMETRY_FLAGS;
286		274
287	if (!update)	275	if (!update)
288	{	276	{
289	if (!(geom_flags & XValue))	277	if (!(geom_flags & XValue))
290	x = y = defaultAlign;	278	x = y = defaultAlign;
…		…
295	w = h = defaultScale;	283	w = h = defaultScale;
296	else if (!(geom_flags & HeightValue))	284	else if (!(geom_flags & HeightValue))
297	h = w;	285	h = w;
298	else if (!(geom_flags & WidthValue))	286	else if (!(geom_flags & WidthValue))
299	w = h;	287	w = h;
300
301	geom_flags |= WidthValue|HeightValue|XValue|YValue;
302	}
303
304	if (check_set_scale_value (geom_flags, WidthValue, h_scale, w)) changed = true;
305	if (check_set_scale_value (geom_flags, HeightValue, v_scale, h)) changed = true;
306	if (check_set_align_value (geom_flags, XValue, h_align, x)) changed = true;
307	if (check_set_align_value (geom_flags, YValue, v_align, y)) changed = true;
308
309	if (new_flags != bg_flags)
310	{	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	{
311	bg_flags = new_flags;	299	flags = new_flags;
		300	h_scale = w;
		301	v_scale = h;
		302	h_align = x;
		303	v_align = y;
312	changed = true;	304	changed = true;
313	}	305	}
314		306
		307	if (is_size_sensitive ())
		308	flags |= IM_IS_SIZE_SENSITIVE;
		309	else
		310	flags &= ~IM_IS_SIZE_SENSITIVE;
		311
315	return changed;	312	return changed;
316	}	313	}
317		314
318	void	315	void
319	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)
320	{	317	{
		318	int image_width = image.width ();
		319	int image_height = image.height ();
321	int target_width = szHint.width;	320	int target_width = szHint.width;
322	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);
323		324
324	w = h_scale * target_width / 100;	325	w = h_scale * target_width / 100;
325	h = v_scale * target_height / 100;	326	h = v_scale * target_height / 100;
326		327
327	if (bg_flags & BG_PROP_SCALE)	328	if (image.flags & IM_KEEP_ASPECT)
328	{	329	{
329	float scale = (float)w / image_width;	330	float scale = (float)w / image_width;
330	min_it (scale, (float)h / image_height);	331	min_it (scale, (float)h / image_height);
331	w = image_width * scale + 0.5;	332	w = image_width * scale + 0.5;
332	h = image_height * scale + 0.5;	333	h = image_height * scale + 0.5;
333	}	334	}
334		335
335	if (!w) w = image_width;	336	if (!w) w = image_width;
336	if (!h) h = image_height;	337	if (!h) h = image_height;
337		338
338	if (bg_flags & BG_ROOT_ALIGN)	339	if (image.flags & IM_ROOT_ALIGN)
339	{	340	{
340	x = -target_x;	341	x = -target_x;
341	y = -target_y;	342	y = -target_y;
342	}	343	}
343	else	344	else
344	{	345	{
345	x = make_align_position (h_align, target_width, w);	346	x = make_align_position (image.h_align, target_width, w);
346	y = make_align_position (v_align, target_height, h);	347	y = make_align_position (image.v_align, target_height, h);
347	}
348
349	bg_flags &= ~BG_IS_SIZE_SENSITIVE;
350	if (!(bg_flags & BG_TILE)
351	|| h_scale || v_scale
352	|| (!(bg_flags & BG_ROOT_ALIGN) && (h_align || v_align))
353	|| w > target_width || h > target_height)
354	bg_flags |= BG_IS_SIZE_SENSITIVE;
355	}
356
357	# ifdef HAVE_AFTERIMAGE
358	bool
359	rxvt_term::render_image (unsigned long tr_flags)
360	{
361	init_asv ();
362
363	ASImage *background = NULL;
364	ARGB32 background_tint = TINT_LEAVE_SAME;
365
366	# ifdef ENABLE_TRANSPARENCY
367	if (tr_flags)
368	background = pixmap2ximage (asv, bg_pixmap, 0, 0, bg_pmap_width, bg_pmap_height, AllPlanes, 100);
369
370	if (tr_flags & BG_NEEDS_TINT)
371	{	348	}
372	ShadingInfo as_shade;	349	}
373	as_shade.shading = shade;
374		350
375	rgba c (rgba::MAX_CC,rgba::MAX_CC,rgba::MAX_CC);	351	# if HAVE_PIXBUF
376	if (bg_flags & BG_TINT_SET)	352	bool
377	tint.get (c);	353	rxvt_term::pixbuf_to_pixmap (GdkPixbuf *pixbuf, Pixmap pixmap, GC gc,
378	as_shade.tintColor.red = c.r;	354	int src_x, int src_y, int dst_x, int dst_y,
379	as_shade.tintColor.green = c.g;	355	unsigned int width, unsigned int height, bool argb)
380	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;
381		365
382	background_tint = shading2tint32 (&as_shade);	366	if (visual->c_class != TrueColor)
		367	return false;
		368
		369	if (argb)
383	}	370	{
384		371	red_mask = 0xff << 16;
385	if ((tr_flags & BG_NEEDS_BLUR) && background != NULL)	372	green_mask = 0xff << 8;
		373	blue_mask = 0xff;
		374	alpha_mask = 0xff << 24;
386	{	375	}
387	ASImage *tmp = blur_asimage_gauss (asv, background, h_blurRadius, v_blurRadius, 0xFFFFFFFF,	376	else
388	ASA_XImage,	377	{
389	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);
390	if (tmp)	383	if (format)
391	{	384	alpha_mask = (uint32_t)format->direct.alphaMask << format->direct.alpha;
392	destroy_asimage (&background);	385	else
393	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++)
394	}	438	{
395	}	439	unsigned char *pixel = row + x * channels;
396	# endif	440	uint32_t value;
		441	unsigned char r, g, b, a;
397		442
398	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);
399		495
400	int target_width = szHint.width;	496	int target_width = szHint.width;
401	int target_height = szHint.height;	497	int target_height = szHint.height;
402	int new_pmap_width = target_width;	498	int new_pmap_width = target_width;
403	int new_pmap_height = target_height;	499	int new_pmap_height = target_height;
…		…
405	int x = 0;	501	int x = 0;
406	int y = 0;	502	int y = 0;
407	int w = 0;	503	int w = 0;
408	int h = 0;	504	int h = 0;
409		505
410	if (original_asim)	506	get_image_geometry (image, w, h, x, y);
411	get_image_geometry (original_asim->width, original_asim->height, w, h, x, y);
412		507
413	if (!original_asim	508	if (!(image.flags & IM_ROOT_ALIGN)
414	|| (!(bg_flags & BG_ROOT_ALIGN)
415	&& (x >= target_width	509	&& (x >= target_width
416	|| y >= target_height	510	|| y >= target_height
417	|| (x + w <= 0)	511	|| x + w <= 0
418	|| (y + h <= 0))))	512	|| y + h <= 0))
419	{	513	return false;
420	if (background)
421	{
422	new_pmap_width = background->width;
423	new_pmap_height = background->height;
424	result = background;
425		514
426	if (background_tint != TINT_LEAVE_SAME)	515	result = pixbuf;
427	{	516
428	ASImage *tmp = tile_asimage (asv, background, 0, 0,	517	if (w != image_width
429	target_width, target_height, background_tint,	518	|| h != image_height)
430	ASA_XImage, 100, ASIMAGE_QUALITY_DEFAULT);
431	if (tmp)
432	result = tmp;
433	}
434	}
435	else
436	new_pmap_width = new_pmap_height = 0;
437	}	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);
438	else	539	else
439	{	540	{
440	result = original_asim;	541	if (image.flags & IM_TILE)
441
442	if ((w != original_asim->width)
443	|| (h != original_asim->height))
444	{
445	result = scale_asimage (asv, original_asim,
446	w, h,
447	ASA_XImage,
448	100, ASIMAGE_QUALITY_DEFAULT);
449	}	542	{
450		543	new_pmap_width = min (image_width, target_width);
451	if (background == NULL)	544	new_pmap_height = min (image_height, target_height);
452	{	545	}
453	if (bg_flags & BG_TILE)
454	{
455	/* if tiling - pixmap has to be sized exactly as the image,
456	but there is no need to make it bigger than the window! */
457	new_pmap_width = min (result->width, target_width);
458	new_pmap_height = min (result->height, target_height);
459		546
460	/* we also need to tile our image in both directions */
461	ASImage *tmp = tile_asimage (asv, result,
462	(int)result->width - x,
463	(int)result->height - y,
464	new_pmap_width,
465	new_pmap_height,
466	TINT_LEAVE_SAME, ASA_XImage,
467	100, ASIMAGE_QUALITY_DEFAULT);
468	if (tmp)
469	{
470	if (result != original_asim)
471	destroy_asimage (&result);
472
473	result = tmp;
474	}
475	}
476	}
477	else
478	{
479	/* if blending background and image - pixmap has to be sized same as target window */
480	ASImageLayer *layers = create_image_layers (2);
481
482	layers[0].im = background;
483	layers[0].clip_width = target_width;
484	layers[0].clip_height = target_height;
485	layers[0].tint = background_tint;
486	layers[1].im = result;
487
488	if (bg_flags & BG_TILE)
489	{
490	/* tile horizontally */
491	while (x > 0) x -= (int)result->width;
492	layers[1].dst_x = x;
493	layers[1].clip_width = result->width+target_width;
494	}
495	else
496	{
497	/* clip horizontally */
498	layers[1].dst_x = x;
499	layers[1].clip_width = result->width;
500	}
501
502	if (bg_flags & BG_TILE)
503	{
504	while (y > 0) y -= (int)result->height;
505	layers[1].dst_y = y;
506	layers[1].clip_height = result->height + target_height;
507	}
508	else
509	{
510	layers[1].dst_y = y;
511	layers[1].clip_height = result->height;
512	}
513
514	if (rs[Rs_blendtype])
515	{
516	layers[1].merge_scanlines = blend_scanlines_name2func (rs[Rs_blendtype]);
517	if (layers[1].merge_scanlines == NULL)
518	layers[1].merge_scanlines = alphablend_scanlines;
519	}
520
521	ASImage *tmp = merge_layers (asv, layers, 2, target_width, target_height,
522	ASA_XImage, 0, ASIMAGE_QUALITY_DEFAULT);
523
524	if (tmp)
525	{
526	if (result != original_asim)
527	destroy_asimage (&result);
528
529	result = tmp;
530	}
531
532	free (layers);
533	}
534	}
535
536	bool ret = false;
537
538	if (result)
539	{
540	XGCValues gcv;
541	GC gc;
542
543	/* create Pixmap */
544	if (bg_pixmap == None	547	if (bg_pixmap == None
545	|| bg_pmap_width != new_pmap_width	548	|| bg_pmap_width != new_pmap_width
546	|| bg_pmap_height != new_pmap_height)	549	|| bg_pmap_height != new_pmap_height)
547	{	550	{
548	if (bg_pixmap)	551	if (bg_pixmap)
549	XFreePixmap (dpy, bg_pixmap);	552	XFreePixmap (dpy, bg_pixmap);
550	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);
551	bg_pmap_width = new_pmap_width;	554	bg_pmap_width = new_pmap_width;
552	bg_pmap_height = new_pmap_height;	555	bg_pmap_height = new_pmap_height;
553	}	556	}
554	/* fill with background color (if result's not completely overlapping it) */
555	gcv.foreground = pix_colors[Color_bg];
556	gc = XCreateGC (dpy, vt, GCForeground, &gcv);
557		557
558	int src_x = 0, src_y = 0, dst_x = 0, dst_y = 0;
559	int dst_width = result->width, dst_height = result->height;
560	if (background == NULL)
561	{
562	if (!(bg_flags & BG_TILE))
563	{
564	src_x = make_clip_rectangle (x, result->width , new_pmap_width , dst_x, dst_width );
565	src_y = make_clip_rectangle (y, result->height, new_pmap_height, dst_y, dst_height);
566	}
567
568	if (dst_x > 0 || dst_y > 0
569	|| dst_x + dst_width < new_pmap_width
570	|| dst_y + dst_height < new_pmap_height)
571	XFillRectangle (dpy, bg_pixmap, gc, 0, 0, new_pmap_width, new_pmap_height);
572	}
573
574	/* put result on pixmap */
575	if (dst_x < new_pmap_width && dst_y < new_pmap_height)
576	asimage2drawable (asv, bg_pixmap, result, gc, src_x, src_y, dst_x, dst_y, dst_width, dst_height, True);
577
578	if (result != background && result != original_asim)
579	destroy_asimage (&result);
580
581	XFreeGC (dpy, gc);
582
583	ret = true;
584	}
585
586	if (background)
587	destroy_asimage (&background);
588
589	return ret;
590	}
591	# endif /* HAVE_AFTERIMAGE */
592
593	# ifdef HAVE_PIXBUF
594	bool
595	rxvt_term::pixbuf_to_pixmap (GdkPixbuf *pixbuf, Pixmap pixmap, GC gc,
596	int src_x, int src_y, int dst_x, int dst_y,
597	unsigned int width, unsigned int height)
598	{
599	XImage *ximage;
600	char *data, *line;
601	int bytes_per_pixel;
602	int width_r, width_g, width_b;
603	int sh_r, sh_g, sh_b;
604	int rowstride;
605	int channels;
606	unsigned char *row;
607
608	if (visual->c_class != TrueColor)
609	return false;
610
611	if (depth == 24 || depth == 32)
612	bytes_per_pixel = 4;
613	else if (depth == 15 || depth == 16)
614	bytes_per_pixel = 2;
615	else
616	return false;
617
618	width_r = ecb_popcount32 (visual->red_mask);
619	width_g = ecb_popcount32 (visual->green_mask);
620	width_b = ecb_popcount32 (visual->blue_mask);
621
622	if (width_r > 8 || width_g > 8 || width_b > 8)
623	return false;
624
625	sh_r = ecb_ctz32 (visual->red_mask);
626	sh_g = ecb_ctz32 (visual->green_mask);
627	sh_b = ecb_ctz32 (visual->blue_mask);
628
629	if (width > INT_MAX / height / bytes_per_pixel)
630	return false;
631
632	data = (char *)malloc (width * height * bytes_per_pixel);
633	if (!data)
634	return false;
635
636	ximage = XCreateImage (dpy, visual, depth, ZPixmap, 0, data,
637	width, height, bytes_per_pixel * 8, 0);
638	if (!ximage)
639	{
640	free (data);
641	return false;
642	}
643
644	ximage->byte_order = ecb_big_endian () ? MSBFirst : LSBFirst;
645
646	rowstride = gdk_pixbuf_get_rowstride (pixbuf);
647	channels = gdk_pixbuf_get_n_channels (pixbuf);
648	row = gdk_pixbuf_get_pixels (pixbuf) + src_y * rowstride + src_x * channels;
649	line = data;
650
651	for (int y = 0; y < height; y++)
652	{
653	for (int x = 0; x < width; x++)
654	{
655	unsigned char *pixel = row + x * channels;
656	uint32_t value;
657
658	value = ((pixel[0] >> (8 - width_r)) << sh_r)
659	| ((pixel[1] >> (8 - width_g)) << sh_g)
660	| ((pixel[2] >> (8 - width_b)) << sh_b);
661
662	if (bytes_per_pixel == 4)
663	((uint32_t *)line)[x] = value;
664	else
665	((uint16_t *)line)[x] = value;
666	}
667
668	row += rowstride;
669	line += ximage->bytes_per_line;
670	}
671
672	XPutImage (dpy, pixmap, gc, ximage, 0, 0, dst_x, dst_y, width, height);
673	XDestroyImage (ximage);
674	return true;
675	}
676
677	bool
678	rxvt_term::render_image (unsigned long tr_flags)
679	{
680	if (!pixbuf)
681	return false;
682
683	if (tr_flags
684	&& !(bg_flags & BG_HAS_RENDER))
685	return false;
686
687	GdkPixbuf *result;
688
689	int image_width = gdk_pixbuf_get_width (pixbuf);
690	int image_height = gdk_pixbuf_get_height (pixbuf);
691
692	int target_width = szHint.width;
693	int target_height = szHint.height;
694	int new_pmap_width = target_width;
695	int new_pmap_height = target_height;
696
697	int x = 0;
698	int y = 0;
699	int w = 0;
700	int h = 0;
701
702	get_image_geometry (image_width, image_height, w, h, x, y);
703
704	if (!(bg_flags & BG_ROOT_ALIGN)
705	&& (x >= target_width
706	|| y >= target_height
707	|| (x + w <= 0)
708	|| (y + h <= 0)))
709	return false;
710
711	result = pixbuf;
712
713	if ((w != image_width)
714	|| (h != image_height))
715	{
716	result = gdk_pixbuf_scale_simple (pixbuf,
717	w, h,
718	GDK_INTERP_BILINEAR);
719	}
720
721	if (!result)
722	return false;
723
724	bool ret = false;
725
726	XGCValues gcv;
727	GC gc;
728	Pixmap root_pmap;
729
730	image_width = gdk_pixbuf_get_width (result);
731	image_height = gdk_pixbuf_get_height (result);
732
733	if (tr_flags)
734	{
735	root_pmap = bg_pixmap;	558	tmp_pixmap = bg_pixmap;
736	bg_pixmap = None;
737	}
738	else
739	{
740	if (bg_flags & BG_TILE)
741	{
742	new_pmap_width = min (image_width, target_width);
743	new_pmap_height = min (image_height, target_height);
744	}
745	}
746
747	if (bg_pixmap == None
748	|| bg_pmap_width != new_pmap_width
749	|| bg_pmap_height != new_pmap_height)
750	{
751	if (bg_pixmap)
752	XFreePixmap (dpy, bg_pixmap);
753	bg_pixmap = XCreatePixmap (dpy, vt, new_pmap_width, new_pmap_height, depth);
754	bg_pmap_width = new_pmap_width;
755	bg_pmap_height = new_pmap_height;
756	}	559	}
757		560
758	gcv.foreground = pix_colors[Color_bg];	561	gcv.foreground = pix_colors[Color_bg];
759	gc = XCreateGC (dpy, vt, GCForeground, &gcv);	562	gc = XCreateGC (dpy, tmp_pixmap, GCForeground, &gcv);
760		563
761	if (gc)	564	if (gc)
762	{	565	{
763	if (bg_flags & BG_TILE)	566	if (image.flags & IM_TILE)
764	{	567	{
765	Pixmap tile = XCreatePixmap (dpy, vt, image_width, image_height, depth);	568	Pixmap tile = XCreatePixmap (dpy, vt, image_width, image_height, need_blend ? 32 : depth);
766	pixbuf_to_pixmap (result, tile, gc,	569	pixbuf_to_pixmap (result, tile, gc,
767	0, 0,	570	0, 0,
768	0, 0,	571	0, 0,
769	image_width, image_height);	572	image_width, image_height, need_blend);
770		573
771	gcv.tile = tile;	574	gcv.tile = tile;
772	gcv.fill_style = FillTiled;	575	gcv.fill_style = FillTiled;
773	gcv.ts_x_origin = x;	576	gcv.ts_x_origin = x;
774	gcv.ts_y_origin = y;	577	gcv.ts_y_origin = y;
775	XChangeGC (dpy, gc, GCFillStyle | GCTile | GCTileStipXOrigin | GCTileStipYOrigin, &gcv);	578	XChangeGC (dpy, gc, GCFillStyle | GCTile | GCTileStipXOrigin | GCTileStipYOrigin, &gcv);
776		579
777	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);
778	XFreePixmap (dpy, tile);	581	XFreePixmap (dpy, tile);
779	}	582	}
780	else	583	else
781	{	584	{
782	int src_x, src_y, dst_x, dst_y;	585	int src_x, src_y, dst_x, dst_y;
…		…
786	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);
787		590
788	if (dst_x > 0 || dst_y > 0	591	if (dst_x > 0 || dst_y > 0
789	|| dst_x + dst_width < new_pmap_width	592	|| dst_x + dst_width < new_pmap_width
790	|| dst_y + dst_height < new_pmap_height)	593	|| dst_y + dst_height < new_pmap_height)
791	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);
792		595
793	if (dst_x < new_pmap_width && dst_y < new_pmap_height)	596	if (dst_x < new_pmap_width && dst_y < new_pmap_height)
794	pixbuf_to_pixmap (result, bg_pixmap, gc,	597	pixbuf_to_pixmap (result, tmp_pixmap, gc,
795	src_x, src_y,	598	src_x, src_y,
796	dst_x, dst_y,	599	dst_x, dst_y,
797	dst_width, dst_height);	600	dst_width, dst_height, need_blend);
798	}	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);
799		607
800	#if XRENDER	608	#if XRENDER
801	if (tr_flags)	609	if (need_blend)
802	{	610	{
803	XRenderPictureAttributes pa;	611	XRenderPictFormat *argb_format = XRenderFindStandardFormat (dpy, PictStandardARGB32);
804
805	XRenderPictFormat *src_format = XRenderFindVisualFormat (dpy, visual);	612	XRenderPictFormat *format = XRenderFindVisualFormat (dpy, visual);
		613
806	Picture src = XRenderCreatePicture (dpy, root_pmap, src_format, 0, &pa);	614	Picture src = XRenderCreatePicture (dpy, tmp_pixmap, argb_format, 0, 0);
807		615
808	XRenderPictFormat *dst_format = XRenderFindVisualFormat (dpy, visual);
809	Picture dst = XRenderCreatePicture (dpy, bg_pixmap, dst_format, 0, &pa);	616	Picture dst = XRenderCreatePicture (dpy, bg_pixmap, format, 0, 0);
810		617
811	pa.repeat = True;	618	Picture mask = create_xrender_mask (dpy, vt, False, False);
812	Pixmap mask_pmap = XCreatePixmap (dpy, vt, 1, 1, 8);
813	XRenderPictFormat *mask_format = XRenderFindStandardFormat (dpy, PictStandardA8);
814	Picture mask = XRenderCreatePicture (dpy, mask_pmap, mask_format, CPRepeat, &pa);
815	XFreePixmap (dpy, mask_pmap);
816		619
817	XRenderColor mask_c;	620	XRenderColor mask_c;
818		621
819	mask_c.alpha = 0x8000;	622	mask_c.alpha = image.alpha;
820	mask_c.red = 0;	623	mask_c.red =
821	mask_c.green = 0;	624	mask_c.green =
822	mask_c.blue = 0;	625	mask_c.blue = 0;
823	XRenderFillRectangle (dpy, PictOpSrc, mask, &mask_c, 0, 0, 1, 1);	626	XRenderFillRectangle (dpy, PictOpSrc, mask, &mask_c, 0, 0, 1, 1);
		627
824	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);
825		629
826	XRenderFreePicture (dpy, src);	630	XRenderFreePicture (dpy, src);
827	XRenderFreePicture (dpy, dst);	631	XRenderFreePicture (dpy, dst);
828	XRenderFreePicture (dpy, mask);	632	XRenderFreePicture (dpy, mask);
…		…
835	}	639	}
836		640
837	if (result != pixbuf)	641	if (result != pixbuf)
838	g_object_unref (result);	642	g_object_unref (result);
839		643
840	if (tr_flags)	644	if (need_blend)
841	XFreePixmap (dpy, root_pmap);	645	XFreePixmap (dpy, tmp_pixmap);
842		646
843	return ret;	647	return ret;
844	}	648	}
845	# endif /* HAVE_PIXBUF */	649	# endif /* HAVE_PIXBUF */
846		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
847	bool	665	bool
848	rxvt_term::bg_set_file (const char *file)	666	rxvt_image::set_file_geometry (const char *file)
849	{	667	{
850	if (!file || !*file)	668	if (!file || !*file)
851	return false;	669	return false;
852		670
853	bool ret = false;
854	const char *p = strchr (file, ';');	671	const char *p = strchr (file, ';');
855		672
856	if (p)	673	if (p)
857	{	674	{
858	size_t len = p - file;	675	size_t len = p - file;
…		…
860	memcpy (f, file, len);	677	memcpy (f, file, len);
861	f[len] = '\0';	678	f[len] = '\0';
862	file = f;	679	file = f;
863	}	680	}
864		681
865	# ifdef HAVE_AFTERIMAGE	682	bool ret = set_file (file);
866	if (!asimman)	683	alpha = 0x8000;
867	asimman = create_generic_imageman (rs[Rs_path]);	684	if (ret)
868	ASImage *image = get_asimage (asimman, file, 0xFFFFFFFF, 100);	685	set_geometry (p ? p + 1 : "");
869	if (image)	686	return ret;
870	{	687	}
871	if (original_asim)
872	safe_asimage_destroy (original_asim);
873	original_asim = image;
874	bg_flags |= BG_IS_FROM_FILE | BG_CLIENT_RENDER;
875	ret = true;
876	}
877	# endif
878		688
		689	bool
		690	rxvt_image::set_file (const char *file)
		691	{
		692	bool ret = false;
		693
879	# ifdef HAVE_PIXBUF	694	# if HAVE_PIXBUF
880	GdkPixbuf *image = gdk_pixbuf_new_from_file (file, NULL);	695	GdkPixbuf *image = gdk_pixbuf_new_from_file (file, NULL);
881	if (image)	696	if (image)
882	{	697	{
883	if (pixbuf)	698	if (pixbuf)
884	g_object_unref (pixbuf);	699	g_object_unref (pixbuf);
885	pixbuf = image;	700	pixbuf = image;
886	bg_flags |= BG_IS_FROM_FILE;
887	ret = true;	701	ret = true;
888	}	702	}
889	# endif	703	# endif
890		704
891	if (ret)	705	if (ret)
892	{	706	flags |= IM_IS_SET;
893	if (p)
894	bg_set_geometry (p + 1);
895	else
896	bg_set_default_geometry ();
897	}
898		707
899	return ret;	708	return ret;
900	}	709	}
901		710
902	# endif /* BG_IMAGE_FROM_FILE */	711	# endif /* BG_IMAGE_FROM_FILE */
903		712
904	# ifdef ENABLE_TRANSPARENCY
905	bool	713	bool
906	rxvt_term::bg_set_transparent ()	714	image_effects::set_blur (const char *geom)
907	{
908	if (!(bg_flags & BG_IS_TRANSPARENT))
909	{
910	bg_flags |= BG_IS_TRANSPARENT;
911	return true;
912	}
913
914	return false;
915	}
916
917	bool
918	rxvt_term::bg_set_blur (const char *geom)
919	{	715	{
920	bool changed = false;	716	bool changed = false;
921	unsigned int hr, vr;	717	unsigned int hr, vr;
922	int junk;	718	int junk;
923	int geom_flags = XParseGeometry (geom, &junk, &junk, &hr, &vr);	719	int geom_flags = XParseGeometry (geom, &junk, &junk, &hr, &vr);
…		…
940	{	736	{
941	changed = true;	737	changed = true;
942	v_blurRadius = vr;	738	v_blurRadius = vr;
943	}	739	}
944		740
945	if (v_blurRadius == 0 && h_blurRadius == 0)
946	bg_flags &= ~BG_NEEDS_BLUR;
947	else
948	bg_flags |= BG_NEEDS_BLUR;
949
950	return changed;	741	return changed;
951	}	742	}
952		743
953	void
954	rxvt_term::set_tint_shade_flags ()
955	{
956	rgba c (rgba::MAX_CC,rgba::MAX_CC,rgba::MAX_CC);
957	bool has_shade = shade != 100;
958
959	bg_flags &= ~BG_TINT_FLAGS;
960
961	if (bg_flags & BG_TINT_SET)
962	{
963	tint.get (c);
964	if (!has_shade
965	&& (c.r <= 0x00ff || c.r >= 0xff00)
966	&& (c.g <= 0x00ff || c.g >= 0xff00)
967	&& (c.b <= 0x00ff || c.b >= 0xff00))
968	bg_flags |= BG_TINT_BITAND;
969	}
970
971	if (has_shade || (bg_flags & BG_TINT_SET))
972	bg_flags |= BG_NEEDS_TINT;
973	}
974
975	bool	744	bool
976	rxvt_term::bg_set_tint (rxvt_color &new_tint)	745	image_effects::set_tint (const rxvt_color &new_tint)
977	{	746	{
978	if (!(bg_flags & BG_TINT_SET) || tint != new_tint)	747	if (!tint_set || tint != new_tint)
979	{	748	{
980	tint = new_tint;	749	tint = new_tint;
981	bg_flags |= BG_TINT_SET;	750	tint_set = true;
982	set_tint_shade_flags ();	751
983	return true;	752	return true;
984	}	753	}
985		754
986	return false;	755	return false;
987	}	756	}
988		757
989	bool	758	bool
990	rxvt_term::bg_set_shade (const char *shade_str)	759	image_effects::set_shade (const char *shade_str)
991	{	760	{
992	int new_shade = (shade_str) ? atoi (shade_str) : 100;	761	int new_shade = atoi (shade_str);
993		762
994	clamp_it (new_shade, -100, 200);	763	clamp_it (new_shade, -100, 200);
995	if (new_shade < 0)	764	if (new_shade < 0)
996	new_shade = 200 - (100 + new_shade);	765	new_shade = 200 - (100 + new_shade);
997		766
998	if (new_shade != shade)	767	if (new_shade != shade)
999	{	768	{
1000	shade = new_shade;	769	shade = new_shade;
1001	set_tint_shade_flags ();
1002	return true;	770	return true;
1003	}	771	}
1004		772
1005	return false;	773	return false;
1006	}	774	}
…		…
1027	params[i+2] = XDoubleToFixed (kernel[i] / sum);	795	params[i+2] = XDoubleToFixed (kernel[i] / sum);
1028	}	796	}
1029	#endif	797	#endif
1030		798
1031	bool	799	bool
1032	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)
1033	{	801	{
1034	bool ret = false;	802	bool ret = false;
1035	#if XRENDER	803	#if XRENDER
		804	if (!(display->flags & DISPLAY_HAS_RENDER_CONV))
		805	return false;
		806
1036	int size = max (h_blurRadius, v_blurRadius) * 2 + 1;	807	int size = max (h_blurRadius, v_blurRadius) * 2 + 1;
1037	double *kernel = (double *)malloc (size * sizeof (double));	808	double *kernel = (double *)malloc (size * sizeof (double));
1038	XFixed *params = (XFixed *)malloc ((size + 2) * sizeof (XFixed));	809	XFixed *params = (XFixed *)malloc ((size + 2) * sizeof (XFixed));
1039		810
1040	XRenderPictureAttributes pa;	811	XRenderPictureAttributes pa;
1041	XRenderPictFormat *format = XRenderFindVisualFormat (dpy, visual);	812	XRenderPictFormat *format = argb ? XRenderFindStandardFormat (dpy, PictStandardARGB32)
		813	: XRenderFindVisualFormat (dpy, visual);
1042		814
		815	pa.repeat = RepeatPad;
1043	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);
1044	Picture dst = XRenderCreatePicture (dpy, pixmap, format, 0, &pa);	818	Picture dst = XRenderCreatePicture (dpy, tmp, format, CPRepeat, &pa);
		819	XFreePixmap (dpy, tmp);
1045		820
1046	if (kernel && params)	821	if (kernel && params)
1047	{	822	{
1048	if (h_blurRadius)
1049	{
1050	size = h_blurRadius * 2 + 1;	823	size = h_blurRadius * 2 + 1;
1051	get_gaussian_kernel (h_blurRadius, size, kernel, params);	824	get_gaussian_kernel (h_blurRadius, size, kernel, params);
1052		825
1053	XRenderSetPictureFilter (dpy, src, FilterConvolution, params, size+2);	826	XRenderSetPictureFilter (dpy, src, FilterConvolution, params, size+2);
1054	XRenderComposite (dpy,	827	XRenderComposite (dpy,
1055	PictOpSrc,	828	PictOpSrc,
1056	src,	829	src,
1057	None,	830	None,
1058	dst,	831	dst,
1059	0, 0,	832	0, 0,
1060	0, 0,	833	0, 0,
1061	0, 0,	834	0, 0,
1062	width, height);	835	width, height);
1063	}
1064		836
1065	if (v_blurRadius)	837	::swap (src, dst);
1066	{	838
1067	size = v_blurRadius * 2 + 1;	839	size = v_blurRadius * 2 + 1;
1068	get_gaussian_kernel (v_blurRadius, size, kernel, params);	840	get_gaussian_kernel (v_blurRadius, size, kernel, params);
1069	::swap (params[0], params[1]);	841	::swap (params[0], params[1]);
1070		842
1071	XRenderSetPictureFilter (dpy, src, FilterConvolution, params, size+2);	843	XRenderSetPictureFilter (dpy, src, FilterConvolution, params, size+2);
1072	XRenderComposite (dpy,	844	XRenderComposite (dpy,
1073	PictOpSrc,	845	PictOpSrc,
1074	src,	846	src,
1075	None,	847	None,
1076	dst,	848	dst,
1077	0, 0,	849	0, 0,
1078	0, 0,	850	0, 0,
1079	0, 0,	851	0, 0,
1080	width, height);	852	width, height);
1081	}
1082		853
1083	ret = true;	854	ret = true;
1084	}	855	}
1085		856
1086	free (kernel);	857	free (kernel);
…		…
1090	#endif	861	#endif
1091	return ret;	862	return ret;
1092	}	863	}
1093		864
1094	bool	865	bool
1095	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)
1096	{	867	{
1097	bool ret = false;	868	bool ret = false;
1098		869
1099	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))
1100	{	879	{
1101	XGCValues gcv;	880	XGCValues gcv;
1102	GC gc;	881	GC gc;
1103		882
1104	/* In this case we can tint image server-side getting significant	883	/* In this case we can tint image server-side getting significant
…		…
1113	XFillRectangle (dpy, pixmap, gc, 0, 0, width, height);	892	XFillRectangle (dpy, pixmap, gc, 0, 0, width, height);
1114	ret = true;	893	ret = true;
1115	XFreeGC (dpy, gc);	894	XFreeGC (dpy, gc);
1116	}	895	}
1117	}	896	}
1118	else
1119	{
1120	# if XRENDER	897	# if XRENDER
1121	rgba c (rgba::MAX_CC, rgba::MAX_CC, rgba::MAX_CC);	898	else if (display->flags & DISPLAY_HAS_RENDER)
1122		899	{
1123	if (bg_flags & BG_TINT_SET)
1124	tint.get (c);
1125
1126	if (shade <= 100)	900	if (shade <= 100)
1127	{	901	{
1128	c.r = c.r * shade / 100;	902	c.r = c.r * shade / 100;
1129	c.g = c.g * shade / 100;	903	c.g = c.g * shade / 100;
1130	c.b = c.b * shade / 100;	904	c.b = c.b * shade / 100;
…		…
1134	c.r = c.r * (200 - shade) / 100;	908	c.r = c.r * (200 - shade) / 100;
1135	c.g = c.g * (200 - shade) / 100;	909	c.g = c.g * (200 - shade) / 100;
1136	c.b = c.b * (200 - shade) / 100;	910	c.b = c.b * (200 - shade) / 100;
1137	}	911	}
1138		912
1139	XRenderPictFormat *solid_format = XRenderFindStandardFormat (dpy, PictStandardARGB32);	913	XRenderPictFormat *format = argb ? XRenderFindStandardFormat (dpy, PictStandardARGB32)
1140	XRenderPictFormat *format = XRenderFindVisualFormat (dpy, visual);	914	: XRenderFindVisualFormat (dpy, visual);
1141	XRenderPictureAttributes pa;
1142		915
1143	Picture back_pic = XRenderCreatePicture (dpy, pixmap, format, 0, &pa);	916	Picture back_pic = XRenderCreatePicture (dpy, pixmap, format, 0, 0);
1144		917
1145	pa.repeat = True;	918	Picture overlay_pic = create_xrender_mask (dpy, pixmap, True, False);
1146		919
1147	Pixmap overlay_pmap = XCreatePixmap (dpy, pixmap, 1, 1, 32);	920	Picture mask_pic = create_xrender_mask (dpy, pixmap, True, True);
1148	Picture overlay_pic = XRenderCreatePicture (dpy, overlay_pmap, solid_format, CPRepeat, &pa);
1149	XFreePixmap (dpy, overlay_pmap);
1150
1151	pa.component_alpha = True;
1152	Pixmap mask_pmap = XCreatePixmap (dpy, pixmap, 1, 1, 32);
1153	Picture mask_pic = XRenderCreatePicture (dpy, mask_pmap, solid_format, CPRepeat | CPComponentAlpha, &pa);
1154	XFreePixmap (dpy, mask_pmap);
1155		921
1156	XRenderColor mask_c;	922	XRenderColor mask_c;
1157		923
1158	mask_c.alpha = 0xffff;	924	mask_c.alpha = 0xffff;
1159	mask_c.red =	925	mask_c.red =
…		…
1164	mask_c.alpha = 0;	930	mask_c.alpha = 0;
1165	mask_c.red = 0xffff - c.r;	931	mask_c.red = 0xffff - c.r;
1166	mask_c.green = 0xffff - c.g;	932	mask_c.green = 0xffff - c.g;
1167	mask_c.blue = 0xffff - c.b;	933	mask_c.blue = 0xffff - c.b;
1168	XRenderFillRectangle (dpy, PictOpSrc, mask_pic, &mask_c, 0, 0, 1, 1);	934	XRenderFillRectangle (dpy, PictOpSrc, mask_pic, &mask_c, 0, 0, 1, 1);
		935
1169	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);
1170		937
1171	if (shade > 100)	938	if (shade > 100)
1172	{	939	{
1173	mask_c.red = mask_c.green = mask_c.blue = 0xffff * (shade - 100) / 100;
1174	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;
1175	XRenderFillRectangle (dpy, PictOpSrc, overlay_pic, &mask_c, 0, 0, 1, 1);	944	XRenderFillRectangle (dpy, PictOpSrc, overlay_pic, &mask_c, 0, 0, 1, 1);
1176		945
1177	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);
1178	}	947	}
1179		948
1180	ret = true;	949	ret = true;
1181		950
1182	XRenderFreePicture (dpy, mask_pic);	951	XRenderFreePicture (dpy, mask_pic);
1183	XRenderFreePicture (dpy, overlay_pic);	952	XRenderFreePicture (dpy, overlay_pic);
1184	XRenderFreePicture (dpy, back_pic);	953	XRenderFreePicture (dpy, back_pic);
		954	}
1185	# endif	955	# endif
1186	}
1187		956
1188	return ret;	957	return ret;
1189	}	958	}
1190		959
		960	# if ENABLE_TRANSPARENCY
1191	/*	961	/*
1192	* 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
1193	* 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
1194	* our window.	964	* our window.
1195	*/	965	*/
1196	unsigned long	966	bool
1197	rxvt_term::make_transparency_pixmap ()	967	rxvt_term::render_root_image ()
1198	{	968	{
1199	unsigned long result = 0;	969	bool ret = false;
1200		970
1201	/* 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
1202	* be always up-to-date, so let's use it :	972	* be always up-to-date, so let's use it :
1203	*/	973	*/
1204	int screen = display->screen;	974	int screen = display->screen;
…		…
1238	Pixmap recoded_root_pmap = root_pixmap;	1008	Pixmap recoded_root_pmap = root_pixmap;
1239		1009
1240	if (root_pixmap != None && root_depth != depth)	1010	if (root_pixmap != None && root_depth != depth)
1241	{	1011	{
1242	#if XRENDER	1012	#if XRENDER
1243	if (bg_flags & BG_HAS_RENDER)	1013	if (display->flags & DISPLAY_HAS_RENDER)
1244	{	1014	{
1245	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);
1246		1016
1247	XRenderPictureAttributes pa;
1248
1249	XRenderPictFormat *src_format = XRenderFindVisualFormat (dpy, DefaultVisual (dpy, screen));	1017	XRenderPictFormat *src_format = XRenderFindVisualFormat (dpy, DefaultVisual (dpy, screen));
1250	Picture src = XRenderCreatePicture (dpy, root_pixmap, src_format, 0, &pa);	1018	Picture src = XRenderCreatePicture (dpy, root_pixmap, src_format, 0, 0);
1251		1019
1252	XRenderPictFormat *dst_format = XRenderFindVisualFormat (dpy, visual);	1020	XRenderPictFormat *dst_format = XRenderFindVisualFormat (dpy, visual);
1253	Picture dst = XRenderCreatePicture (dpy, recoded_root_pmap, dst_format, 0, &pa);	1021	Picture dst = XRenderCreatePicture (dpy, recoded_root_pmap, dst_format, 0, 0);
1254		1022
1255	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);
1256		1024
1257	XRenderFreePicture (dpy, src);	1025	XRenderFreePicture (dpy, src);
1258	XRenderFreePicture (dpy, dst);	1026	XRenderFreePicture (dpy, dst);
…		…
1275	bg_pmap_width = window_width;	1043	bg_pmap_width = window_width;
1276	bg_pmap_height = window_height;	1044	bg_pmap_height = window_height;
1277	}	1045	}
1278		1046
1279	/* straightforward pixmap copy */	1047	/* straightforward pixmap copy */
1280	while (sx < 0) sx += root_width;	1048	while (sx < 0) sx += root_pmap_width;
1281	while (sy < 0) sy += root_height;	1049	while (sy < 0) sy += root_pmap_height;
1282		1050
1283	gcv.tile = recoded_root_pmap;	1051	gcv.tile = recoded_root_pmap;
1284	gcv.fill_style = FillTiled;	1052	gcv.fill_style = FillTiled;
1285	gcv.ts_x_origin = -sx;	1053	gcv.ts_x_origin = -sx;
1286	gcv.ts_y_origin = -sy;	1054	gcv.ts_y_origin = -sy;
1287	gc = XCreateGC (dpy, vt, GCFillStyle | GCTile | GCTileStipXOrigin | GCTileStipYOrigin, &gcv);	1055	gc = XCreateGC (dpy, vt, GCFillStyle | GCTile | GCTileStipXOrigin | GCTileStipYOrigin, &gcv);
1288		1056
1289	if (gc)	1057	if (gc)
1290	{	1058	{
1291	XFillRectangle (dpy, bg_pixmap, gc, 0, 0, window_width, window_height);	1059	XFillRectangle (dpy, bg_pixmap, gc, 0, 0, window_width, window_height);
1292	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
1293	XFreeGC (dpy, gc);	1089	XFreeGC (dpy, gc);
1294
1295	if (!(bg_flags & BG_CLIENT_RENDER))
1296	{
1297	if ((bg_flags & BG_NEEDS_BLUR)
1298	&& (bg_flags & BG_HAS_RENDER_CONV))
1299	{
1300	if (blur_pixmap (bg_pixmap, visual, window_width, window_height))
1301	result &= ~BG_NEEDS_BLUR;
1302	}
1303	if ((bg_flags & BG_NEEDS_TINT)
1304	&& (bg_flags & (BG_TINT_BITAND | BG_HAS_RENDER)))
1305	{
1306	if (tint_pixmap (bg_pixmap, visual, window_width, window_height))
1307	result &= ~BG_NEEDS_TINT;
1308	}
1309	} /* server side rendering completed */
1310	}	1090	}
1311		1091
1312	if (recoded_root_pmap != root_pixmap)	1092	if (recoded_root_pmap != root_pixmap)
1313	XFreePixmap (dpy, recoded_root_pmap);	1093	XFreePixmap (dpy, recoded_root_pmap);
1314		1094
1315	return result;	1095	return ret;
1316	}	1096	}
1317		1097
1318	void	1098	void
1319	rxvt_term::bg_set_root_pixmap ()	1099	rxvt_term::bg_set_root_pixmap ()
1320	{	1100	{
1321	Pixmap new_root_pixmap = get_pixmap_property (xa[XA_XROOTPMAP_ID]);	1101	Pixmap new_root_pixmap = display->get_pixmap_property (xa[XA_XROOTPMAP_ID]);
1322	if (new_root_pixmap == None)	1102	if (new_root_pixmap == None)
1323	new_root_pixmap = get_pixmap_property (xa[XA_ESETROOT_PMAP_ID]);	1103	new_root_pixmap = display->get_pixmap_property (xa[XA_ESETROOT_PMAP_ID]);
1324		1104
1325	root_pixmap = new_root_pixmap;	1105	root_pixmap = new_root_pixmap;
1326	}	1106	}
1327	# endif /* ENABLE_TRANSPARENCY */	1107	# endif /* ENABLE_TRANSPARENCY */
1328		1108
1329	#if defined(ENABLE_TRANSPARENCY) && !defined(HAVE_AFTERIMAGE)	1109	void
1330	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	}
1331	# endif	1120	# endif
1332		1121
1333	bool
1334	rxvt_term::bg_render ()
1335	{
1336	unsigned long tr_flags = 0;
1337
1338	bg_invalidate ();
1339	# ifdef ENABLE_TRANSPARENCY
1340	if (bg_flags & BG_IS_TRANSPARENT)
1341	{
1342	/* we need to re-generate transparency pixmap in that case ! */
1343	tr_flags = make_transparency_pixmap ();
1344	if (tr_flags == 0)
1345	return false;
1346	bg_flags |= BG_IS_VALID;
1347	}
1348	# endif
1349
1350	# ifdef BG_IMAGE_FROM_FILE	1122	# if BG_IMAGE_FROM_FILE
1351	if ((bg_flags & BG_IS_FROM_FILE)	1123	if (fimage.flags & IM_IS_SET)
1352	|| (tr_flags & BG_EFFECTS_FLAGS))
1353	{	1124	{
1354	if (render_image (tr_flags))	1125	if (render_image (fimage))
1355	bg_flags |= BG_IS_VALID;	1126	bg_flags |= BG_IS_VALID;
1356	}
1357	# endif
1358
1359	# if defined(ENABLE_TRANSPARENCY) && !defined(HAVE_AFTERIMAGE)
1360	XImage *result = NULL;
1361
1362	if (tr_flags & BG_NEEDS_TINT)
1363	{
1364	result = XGetImage (dpy, bg_pixmap, 0, 0, bg_pmap_width, bg_pmap_height, AllPlanes, ZPixmap);
1365	}
1366
1367	if (result)
1368	{
1369	/* our own client-side tinting */
1370	//if (tr_flags & BG_NEEDS_TINT)
1371	if (1)
1372	{
1373	rgba c (rgba::MAX_CC,rgba::MAX_CC,rgba::MAX_CC);
1374	if (bg_flags & BG_TINT_SET)
1375	tint.get (c);
1376	shade_ximage (DefaultVisual (dpy, display->screen), result, shade, c);
1377	}
1378
1379	GC gc = XCreateGC (dpy, vt, 0UL, NULL);
1380
1381	if (gc)
1382	{
1383	XPutImage (dpy, bg_pixmap, gc, result, 0, 0, 0, 0, result->width, result->height);
1384
1385	XFreeGC (dpy, gc);
1386	}
1387
1388	XDestroyImage (result);
1389	}	1127	}
1390	# endif	1128	# endif
1391		1129
1392	if (!(bg_flags & BG_IS_VALID))	1130	if (!(bg_flags & BG_IS_VALID))
1393	{	1131	{
…		…
1400		1138
1401	scr_recolour (false);	1139	scr_recolour (false);
1402	bg_flags |= BG_NEEDS_REFRESH;	1140	bg_flags |= BG_NEEDS_REFRESH;
1403		1141
1404	bg_valid_since = ev::now ();	1142	bg_valid_since = ev::now ();
1405
1406	return true;
1407	}	1143	}
1408		1144
1409	void	1145	void
1410	rxvt_term::bg_init ()	1146	rxvt_term::bg_init ()
1411	{	1147	{
1412	#ifdef ENABLE_TRANSPARENCY	1148	#if BG_IMAGE_FROM_FILE
1413	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	}
1414	#endif	1155	#endif
1415
1416	bg_flags &= ~(BG_HAS_RENDER | BG_HAS_RENDER_CONV);
1417	#if XRENDER
1418	int major, minor;
1419	if (XRenderQueryVersion (dpy, &major, &minor))
1420	bg_flags |= BG_HAS_RENDER;
1421	XFilters *filters = XRenderQueryFilters (dpy, vt);
1422	if (filters)
1423	{
1424	for (int i = 0; i < filters->nfilter; i++)
1425	if (!strcmp (filters->filter[i], FilterConvolution))
1426	bg_flags |= BG_HAS_RENDER_CONV;
1427
1428	XFree (filters);
1429	}
1430	#endif
1431	}	1156	}
1432		1157
1433	#endif /* HAVE_BG_PIXMAP */
1434
1435	#if defined(ENABLE_TRANSPARENCY) && !defined(HAVE_AFTERIMAGE)
1436	/* based on code from aterm-0.4.2 */	1158	/* based on code from aterm-0.4.2 */
1437		1159
1438	static void	1160	static inline void
1439	shade_ximage (Visual *visual, XImage *ximage, int shade, const rgba &c)	1161	fill_lut (uint32_t *lookup, uint32_t mask, int sh, unsigned short low, unsigned short high)
1440	{	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;
1441	int sh_r, sh_g, sh_b;	1176	int sh_r, sh_g, sh_b;
1442	uint32_t mask_r, mask_g, mask_b;	1177	uint32_t mask_r, mask_g, mask_b;
1443	uint32_t *lookup, *lookup_r, *lookup_g, *lookup_b;	1178	uint32_t *lookup, *lookup_r, *lookup_g, *lookup_b;
1444	rgba low;	1179	unsigned short low;
1445	rgba high;
1446	int i;
1447	int host_byte_order = ecb_big_endian () ? MSBFirst : LSBFirst;	1180	int host_byte_order = ecb_big_endian () ? MSBFirst : LSBFirst;
1448		1181
1449	if (visual->c_class != TrueColor || ximage->format != ZPixmap) return;	1182	if (visual->c_class != TrueColor || ximage->format != ZPixmap) return;
1450		1183
1451	/* for convenience */	1184	/* for convenience */
1452	mask_r = visual->red_mask;	1185	mask_r = visual->red_mask;
1453	mask_g = visual->green_mask;	1186	mask_g = visual->green_mask;
1454	mask_b = visual->blue_mask;	1187	mask_b = visual->blue_mask;
1455		1188
1456	/* boring lookup table pre-initialization */	1189	/* boring lookup table pre-initialization */
1457	switch (ximage->depth)	1190	sh_r = ecb_ctz32 (mask_r);
1458	{	1191	sh_g = ecb_ctz32 (mask_g);
1459	case 15:	1192	sh_b = ecb_ctz32 (mask_b);
1460	if ((mask_r != 0x7c00) ||	1193
1461	(mask_g != 0x03e0) ||	1194	size_r = mask_r >> sh_r;
1462	(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)
1463	return;	1199	return;
1464	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));
1465	lookup_r = lookup;	1202	lookup_r = lookup;
1466	lookup_g = lookup+32;	1203	lookup_g = lookup + size_r;
1467	lookup_b = lookup+32+32;	1204	lookup_b = lookup + size_r + size_g;
1468	sh_r = 10;	1205
1469	sh_g = 5;	1206	rgba c (rgba::MAX_CC, rgba::MAX_CC, rgba::MAX_CC);
1470	sh_b = 0;	1207
1471	break;	1208	if (tint_set)
1472	case 16:	1209	tint.get (c);
1473	if ((mask_r != 0xf800) ||
1474	(mask_g != 0x07e0) ||
1475	(mask_b != 0x001f))
1476	return;
1477	lookup = (uint32_t *) malloc (sizeof (uint32_t)*(32+64+32));
1478	lookup_r = lookup;
1479	lookup_g = lookup+32;
1480	lookup_b = lookup+32+64;
1481	sh_r = 11;
1482	sh_g = 5;
1483	sh_b = 0;
1484	break;
1485	case 24:
1486	if ((mask_r != 0xff0000) ||
1487	(mask_g != 0x00ff00) ||
1488	(mask_b != 0x0000ff))
1489	return;
1490	lookup = (uint32_t *) malloc (sizeof (uint32_t)*(256+256+256));
1491	lookup_r = lookup;
1492	lookup_g = lookup+256;
1493	lookup_b = lookup+256+256;
1494	sh_r = 16;
1495	sh_g = 8;
1496	sh_b = 0;
1497	break;
1498	case 32:
1499	if ((mask_r != 0xff0000) ||
1500	(mask_g != 0x00ff00) ||
1501	(mask_b != 0x0000ff))
1502	return;
1503	lookup = (uint32_t *) malloc (sizeof (uint32_t)*(256+256+256));
1504	lookup_r = lookup;
1505	lookup_g = lookup+256;
1506	lookup_b = lookup+256+256;
1507	sh_r = 16;
1508	sh_g = 8;
1509	sh_b = 0;
1510	break;
1511	default:
1512	return; /* we do not support this color depth */
1513	}
1514		1210
1515	/* prepare limits for color transformation (each channel is handled separately) */	1211	/* prepare limits for color transformation (each channel is handled separately) */
1516	if (shade > 100)	1212	if (shade > 100)
1517	{	1213	{
1518	shade = 200 - shade;
1519
1520	high.r = c.r * shade / 100;
1521	high.g = c.g * shade / 100;
1522	high.b = c.b * shade / 100;
1523
1524	low.r = 65535 * (100 - shade) / 100;	1214	c.r = c.r * (200 - shade) / 100;
1525	low.g = 65535 * (100 - shade) / 100;	1215	c.g = c.g * (200 - shade) / 100;
1526	low.b = 65535 * (100 - shade) / 100;	1216	c.b = c.b * (200 - shade) / 100;
		1217
		1218	low = 0xffff * (shade - 100) / 100;
1527	}	1219	}
1528	else	1220	else
1529	{	1221	{
1530	high.r = c.r * shade / 100;	1222	c.r = c.r * shade / 100;
1531	high.g = c.g * shade / 100;	1223	c.g = c.g * shade / 100;
1532	high.b = c.b * shade / 100;	1224	c.b = c.b * shade / 100;
1533		1225
1534	low.r = low.g = low.b = 0;	1226	low = 0;
1535	}	1227	}
1536		1228
1537	/* fill our lookup tables */	1229	/* fill our lookup tables */
1538	for (i = 0; i <= mask_r>>sh_r; i++)	1230	fill_lut (lookup_r, mask_r, sh_r, low, c.r);
1539	{	1231	fill_lut (lookup_g, mask_g, sh_g, low, c.g);
1540	uint32_t tmp;	1232	fill_lut (lookup_b, mask_b, sh_b, low, c.b);
1541	tmp = i * high.r;
1542	tmp += (mask_r>>sh_r) * low.r;
1543	lookup_r[i] = (tmp/65535)<<sh_r;
1544	}
1545	for (i = 0; i <= mask_g>>sh_g; i++)
1546	{
1547	uint32_t tmp;
1548	tmp = i * high.g;
1549	tmp += (mask_g>>sh_g) * low.g;
1550	lookup_g[i] = (tmp/65535)<<sh_g;
1551	}
1552	for (i = 0; i <= mask_b>>sh_b; i++)
1553	{
1554	uint32_t tmp;
1555	tmp = i * high.b;
1556	tmp += (mask_b>>sh_b) * low.b;
1557	lookup_b[i] = (tmp/65535)<<sh_b;
1558	}
1559		1233
1560	/* apply table to input image (replacing colors by newly calculated ones) */	1234	/* apply table to input image (replacing colors by newly calculated ones) */
1561	if (ximage->bits_per_pixel == 32	1235	if (ximage->bits_per_pixel == 32
1562	&& (ximage->depth == 24 || ximage->depth == 32)
1563	&& ximage->byte_order == host_byte_order)	1236	&& ximage->byte_order == host_byte_order)
1564	{	1237	{
1565	uint32_t *p1, *pf, *p, *pl;	1238	char *line = ximage->data;
1566	p1 = (uint32_t *) ximage->data;
1567	pf = (uint32_t *) (ximage->data + ximage->height * ximage->bytes_per_line);
1568		1239
1569	while (p1 < pf)	1240	for (int y = 0; y < ximage->height; y++)
1570	{	1241	{
1571	p = p1;	1242	uint32_t *p = (uint32_t *)line;
1572	pl = p1 + ximage->width;	1243	for (int x = 0; x < ximage->width; x++)
1573	for (; p < pl; p++)
1574	{	1244	{
1575	*p = lookup_r[(*p & 0xff0000) >> 16] |	1245	*p = lookup_r[(*p & mask_r) >> sh_r] |
1576	lookup_g[(*p & 0x00ff00) >> 8] |	1246	lookup_g[(*p & mask_g) >> sh_g] |
1577	lookup_b[(*p & 0x0000ff)] |	1247	lookup_b[(*p & mask_b) >> sh_b];
1578	(*p & 0xff000000);	1248	p++;
1579	}	1249	}
1580	p1 = (uint32_t *) ((char *) p1 + ximage->bytes_per_line);	1250	line += ximage->bytes_per_line;
1581	}	1251	}
1582	}	1252	}
1583	else	1253	else
1584	{	1254	{
1585	for (int y = 0; y < ximage->height; y++)	1255	for (int y = 0; y < ximage->height; y++)
…		…
1593	}	1263	}
1594	}	1264	}
1595		1265
1596	free (lookup);	1266	free (lookup);
1597	}	1267	}
1598	#endif /* defined(ENABLE_TRANSPARENCY) && !defined(HAVE_AFTERIMAGE) */	1268
		1269	#endif /* HAVE_BG_PIXMAP */

Diff Legend

–	Removed lines
+	Added lines
<	Changed lines
>	Changed lines