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Comparing rxvt-unicode/src/background.C (file contents):
Revision 1.156 by sf-exg, Tue Aug 9 18:41:31 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	/*	37	#ifndef RepeatPad
38	* Pixmap geometry string interpretation :	38	#define RepeatPad True
39	* Each geometry string contains zero or one scale/position	39	#endif
40	* adjustment and may optionally be followed by a colon and one or more
41	* colon-delimited pixmap operations.
42	* The following table shows the valid geometry strings and their
43	* effects on the background image :
44	*
45	* WxH+X+Y Set scaling to W% by H%, and position to X% by Y%.
46	* W and H are percentages of the terminal window size.
47	* X and Y are also percentages; e.g., +50+50 centers
48	* the image in the window.
49	*
50	* Pixmap Operations : (should be prepended by a colon)
51	* tile Tile image. Scaling/position modifiers above will affect
52	* the tile size and origin.
53	* propscale When scaling, scale proportionally. That is, maintain the
54	* proper aspect ratio for the image. Any portion of the
55	* background not covered by the image is filled with the
56	* current background color.
57	* hscale Scale horizontally, tile vertically ?
58	* vscale Tile horizontally, scale vertically ?
59	* scale Scale both up and down
60	* auto Same as 100x100+50+50
61	*/
62		40
63	#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
64	void	60	void
65	rxvt_term::bg_destroy ()	61	rxvt_term::bg_destroy ()
66	{	62	{
67	#ifdef HAVE_AFTERIMAGE	63	# if BG_IMAGE_FROM_FILE
68	if (original_asim)	64	fimage.destroy ();
69	safe_asimage_destroy (original_asim);
70	if (asv)
71	destroy_asvisual (asv, 0);
72	if (asimman)
73	destroy_image_manager (asimman, 0);
74	#endif	65	# endif
75
76	#ifdef HAVE_PIXBUF
77	if (pixbuf)
78	g_object_unref (pixbuf);
79	#endif
80		66
81	if (bg_pixmap)	67	if (bg_pixmap)
82	XFreePixmap (dpy, bg_pixmap);	68	XFreePixmap (dpy, bg_pixmap);
83	}	69	}
84		70
…		…
97	}	83	}
98		84
99	bool	85	bool
100	rxvt_term::bg_window_size_sensitive ()	86	rxvt_term::bg_window_size_sensitive ()
101	{	87	{
102	# ifdef ENABLE_TRANSPARENCY	88	# if ENABLE_TRANSPARENCY
103	if (bg_flags & BG_IS_TRANSPARENT)	89	if (bg_flags & BG_IS_TRANSPARENT)
104	return true;	90	return true;
105	# endif	91	# endif
106		92
107	# ifdef BG_IMAGE_FROM_FILE	93	# if BG_IMAGE_FROM_FILE
108	if (bg_flags & BG_IS_FROM_FILE)	94	if (fimage.flags & IM_IS_SET)
109	{	95	{
110	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)
111	return true;	99	return true;
112	}	100	}
113	# endif	101	# endif
114		102
115	return false;	103	return false;
116	}	104	}
117		105
118	bool	106	bool
119	rxvt_term::bg_window_position_sensitive ()	107	rxvt_term::bg_window_position_sensitive ()
120	{	108	{
121	# ifdef ENABLE_TRANSPARENCY	109	# if ENABLE_TRANSPARENCY
122	if (bg_flags & BG_IS_TRANSPARENT)	110	if (bg_flags & BG_IS_TRANSPARENT)
123	return true;	111	return true;
124	# endif	112	# endif
125		113
126	# ifdef BG_IMAGE_FROM_FILE	114	# if BG_IMAGE_FROM_FILE
127	if (bg_flags & BG_IS_FROM_FILE)	115	if (fimage.flags & IM_IS_SET)
128	{	116	{
129	if (bg_flags & BG_ROOT_ALIGN)	117	if (fimage.flags & IM_ROOT_ALIGN)
130	return true;	118	return true;
131	}	119	}
132	# endif	120	# endif
133		121
134	return false;	122	return false;
135	}	123	}
136		124
137	# ifdef BG_IMAGE_FROM_FILE	125	# if BG_IMAGE_FROM_FILE
138	static inline bool
139	check_set_scale_value (int geom_flags, int flag, unsigned int &scale, unsigned int new_value)
140	{
141	if (geom_flags & flag)
142	{
143	if (new_value > 1000)
144	new_value = 1000;
145	if (new_value != scale)
146	{
147	scale = new_value;
148	return true;
149	}
150	}
151	return false;
152	}
153
154	static inline bool
155	check_set_align_value (int geom_flags, int flag, int &align, int new_value)
156	{
157	if (geom_flags & flag)
158	{
159	if (new_value < -100)
160	new_value = -100;
161	else if (new_value > 200)
162	new_value = 200;
163	if (new_value != align)
164	{
165	align = new_value;
166	return true;
167	}
168	}
169	return false;
170	}
171
172	static inline int	126	static inline int
173	make_align_position (int align, int window_size, int image_size)	127	make_align_position (int align, int window_size, int image_size)
174	{	128	{
175	int diff = window_size - image_size;
176	int smaller = min (image_size, window_size);
177
178	if (align >= 0 && align <= 100)	129	if (align >= 0 && align <= 100)
179	return diff * align / 100;	130	return lerp (0, window_size - image_size, align);
180	else if (align > 100 && align <= 200)	131	else if (align > 100)
181	return ((align - 100) * smaller / 100) + window_size - smaller;	132	return lerp (window_size - image_size, window_size, align - 100);
182	else if (align >= -100 && align < 0)	133	else
183	return ((align + 100) * smaller / 100) - image_size;	134	return lerp (-image_size, 0, align + 100);
184	return 0;
185	}	135	}
186		136
187	static inline int	137	static inline int
188	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)
189	{	139	{
…		…
195	src_pos = -pos;	145	src_pos = -pos;
196	dst_pos = 0;	146	dst_pos = 0;
197	dst_size += pos;	147	dst_size += pos;
198	}	148	}
199		149
200	if (dst_pos + dst_size > target_size)
201	dst_size = target_size - dst_pos;	150	min_it (dst_size, target_size - dst_pos);
202	return src_pos;	151	return src_pos;
203	}	152	}
204		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
205	bool	189	bool
206	rxvt_term::bg_set_geometry (const char *geom, bool update)	190	rxvt_image::set_geometry (const char *geom, bool update)
207	{	191	{
208	bool changed = false;	192	bool changed = false;
209	int geom_flags = 0;	193	int geom_flags = 0;
210	int x = 0, y = 0;	194	int x = h_align;
		195	int y = v_align;
211	unsigned int w = 0, h = 0;	196	unsigned int w = h_scale;
212	unsigned int n;	197	unsigned int h = v_scale;
213	unsigned long new_flags = (bg_flags & (~BG_GEOMETRY_FLAGS));	198	uint8_t new_flags = 0;
214	const char *ops;
215		199
216	if (geom == NULL)	200	if (geom == NULL)
217	return false;	201	return false;
218		202
219	char str[256];	203	if (geom[0])
220
221	ops = strchr (geom, ':');
222	if (ops == NULL)
223	n = strlen (geom);
224	else
225	n = ops - geom;
226
227	if (n >= sizeof (str))
228	return false;
229
230	memcpy (str, geom, n);
231	str[n] = '\0';
232	rxvt_strtrim (str);
233
234	if (str[0])
235	{
236	/* we have geometry string - let's handle it prior to applying ops */
237	geom_flags = XParseGeometry (str, &x, &y, &w, &h);
238	} /* done parsing geometry string */
239
240	if (!update)
241	{
242	if (!(geom_flags & XValue))
243	x = y = defaultAlign;
244	else if (!(geom_flags & YValue))
245	y = x;
246
247	if (!(geom_flags & (WidthValue|HeightValue)))
248	w = h = defaultScale;
249	else if (!(geom_flags & HeightValue))
250	h = w;
251	else if (!(geom_flags & WidthValue))
252	w = h;
253
254	geom_flags |= WidthValue|HeightValue|XValue|YValue;
255	}	204	{
256
257	if (ops)
258	{
259	char **arr = rxvt_strsplit (':', ops + 1);	205	char **arr = rxvt_strsplit (':', geom);
260		206
261	for (int i = 0; arr[i]; i++)	207	for (int i = 0; arr[i]; i++)
262	{	208	{
263	if (!strcasecmp (arr[i], "tile"))	209	if (!strncasecmp (arr[i], "style=", 6))
264	{	210	{
		211	parse_style (arr[i] + 6, x, y, w, h, new_flags);
		212	geom_flags = WidthValue|HeightValue|XValue|YValue;
		213	}
		214	else if (!strcasecmp (arr[i], "op=tile"))
		215	new_flags |= IM_TILE;
		216	else if (!strcasecmp (arr[i], "op=keep-aspect"))
		217	new_flags |= IM_KEEP_ASPECT;
		218	else if (!strcasecmp (arr[i], "op=root-align"))
		219	new_flags |= IM_ROOT_ALIGN;
		220
		221	// deprecated
		222	else if (!strcasecmp (arr[i], "tile"))
		223	{
265	new_flags |= BG_TILE;	224	new_flags |= IM_TILE;
266	w = h = noScale;	225	w = h = noScale;
267	geom_flags |= WidthValue|HeightValue;	226	geom_flags |= WidthValue|HeightValue;
268	}	227	}
269	else if (!strcasecmp (arr[i], "propscale"))	228	else if (!strcasecmp (arr[i], "propscale"))
270	{	229	{
271	new_flags |= BG_PROP_SCALE;	230	new_flags |= IM_KEEP_ASPECT;
		231	w = h = windowScale;
		232	geom_flags |= WidthValue|HeightValue;
272	}	233	}
273	else if (!strcasecmp (arr[i], "hscale"))	234	else if (!strcasecmp (arr[i], "hscale"))
274	{	235	{
		236	new_flags |= IM_TILE;
275	if (w == 0) w = windowScale;	237	w = windowScale;
276
277	h = noScale;	238	h = noScale;
278	geom_flags |= WidthValue|HeightValue;	239	geom_flags |= WidthValue|HeightValue;
279	}	240	}
280	else if (!strcasecmp (arr[i], "vscale"))	241	else if (!strcasecmp (arr[i], "vscale"))
281	{	242	{
		243	new_flags |= IM_TILE;
282	if (h == 0) h = windowScale;	244	h = windowScale;
283
284	w = noScale;	245	w = noScale;
285	geom_flags |= WidthValue|HeightValue;	246	geom_flags |= WidthValue|HeightValue;
286	}	247	}
287	else if (!strcasecmp (arr[i], "scale"))	248	else if (!strcasecmp (arr[i], "scale"))
288	{	249	{
289	if (h == 0) h = windowScale;
290	if (w == 0) w = windowScale;	250	w = h = windowScale;
291
292	geom_flags |= WidthValue|HeightValue;	251	geom_flags |= WidthValue|HeightValue;
293	}	252	}
294	else if (!strcasecmp (arr[i], "auto"))	253	else if (!strcasecmp (arr[i], "auto"))
295	{	254	{
296	w = h = windowScale;	255	w = h = windowScale;
297	x = y = centerAlign;	256	x = y = centerAlign;
298	geom_flags |= WidthValue|HeightValue|XValue|YValue;	257	geom_flags |= WidthValue|HeightValue|XValue|YValue;
299	}	258	}
300	else if (!strcasecmp (arr[i], "root"))	259	else if (!strcasecmp (arr[i], "root"))
301	{	260	{
302	new_flags |= BG_TILE|BG_ROOT_ALIGN;	261	new_flags |= IM_TILE|IM_ROOT_ALIGN;
303	w = h = noScale;	262	w = h = noScale;
304	geom_flags |= WidthValue|HeightValue;	263	geom_flags |= WidthValue|HeightValue;
305	}	264	}
		265
		266	else
		267	geom_flags |= XParseGeometry (arr[i], &x, &y, &w, &h);
306	} /* done parsing ops */	268	} /* done parsing ops */
307		269
308	rxvt_free_strsplit (arr);	270	rxvt_free_strsplit (arr);
309	}	271	}
310		272
311	if (check_set_scale_value (geom_flags, WidthValue, h_scale, w)) changed = true;	273	new_flags |= flags & ~IM_GEOMETRY_FLAGS;
312	if (check_set_scale_value (geom_flags, HeightValue, v_scale, h)) changed = true;
313	if (check_set_align_value (geom_flags, XValue, h_align, x)) changed = true;
314	if (check_set_align_value (geom_flags, YValue, v_align, y)) changed = true;
315		274
316	if (new_flags != bg_flags)	275	if (!update)
		276	{
		277	if (!(geom_flags & XValue))
		278	x = y = defaultAlign;
		279	else if (!(geom_flags & YValue))
		280	y = x;
		281
		282	if (!(geom_flags & (WidthValue|HeightValue)))
		283	w = h = defaultScale;
		284	else if (!(geom_flags & HeightValue))
		285	h = w;
		286	else if (!(geom_flags & WidthValue))
		287	w = h;
317	{	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	{
318	bg_flags = new_flags;	299	flags = new_flags;
		300	h_scale = w;
		301	v_scale = h;
		302	h_align = x;
		303	v_align = y;
319	changed = true;	304	changed = true;
320	}	305	}
321		306
		307	if (is_size_sensitive ())
		308	flags |= IM_IS_SIZE_SENSITIVE;
		309	else
		310	flags &= ~IM_IS_SIZE_SENSITIVE;
		311
322	return changed;	312	return changed;
323	}	313	}
324		314
325	void	315	void
326	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)
327	{	317	{
		318	int image_width = image.width ();
		319	int image_height = image.height ();
328	int target_width = szHint.width;	320	int target_width = szHint.width;
329	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);
330		324
331	if (bg_flags & BG_PROP_SCALE)	325	w = h_scale * target_width / 100;
		326	h = v_scale * target_height / 100;
		327
		328	if (image.flags & IM_KEEP_ASPECT)
332	{	329	{
333	float scale = (float)target_width / image_width;	330	float scale = (float)w / image_width;
334	min_it (scale, (float)target_height / image_height);	331	min_it (scale, (float)h / image_height);
335	w = image_width * scale + 0.5;	332	w = image_width * scale + 0.5;
336	h = image_height * scale + 0.5;	333	h = image_height * scale + 0.5;
337	}	334	}
338	else
339	{
340	w = h_scale * target_width / 100;
341	h = v_scale * target_height / 100;
342	}
343		335
344	if (!w) w = image_width;	336	if (!w) w = image_width;
345	if (!h) h = image_height;	337	if (!h) h = image_height;
346		338
347	if (bg_flags & BG_ROOT_ALIGN)	339	if (image.flags & IM_ROOT_ALIGN)
348	{	340	{
349	x = -target_x;	341	x = -target_x;
350	y = -target_y;	342	y = -target_y;
351	}	343	}
352	else	344	else
353	{	345	{
354	x = make_align_position (h_align, target_width, w);	346	x = make_align_position (image.h_align, target_width, w);
355	y = make_align_position (v_align, target_height, h);	347	y = make_align_position (image.v_align, target_height, h);
356	}
357
358	bg_flags &= ~BG_IS_SIZE_SENSITIVE;
359	if (!(bg_flags & BG_TILE)
360	|| (bg_flags & BG_PROP_SCALE) || h_scale || v_scale
361	|| (!(bg_flags & BG_ROOT_ALIGN) && (h_align || v_align))
362	|| w > target_width || h > target_height)
363	bg_flags |= BG_IS_SIZE_SENSITIVE;
364	}
365
366	# ifdef HAVE_AFTERIMAGE
367	bool
368	rxvt_term::render_image (unsigned long tr_flags)
369	{
370	init_asv ();
371
372	ASImage *background = NULL;
373	ARGB32 background_tint = TINT_LEAVE_SAME;
374
375	# ifdef ENABLE_TRANSPARENCY
376	if (tr_flags)
377	background = pixmap2ximage (asv, bg_pixmap, 0, 0, bg_pmap_width, bg_pmap_height, AllPlanes, 100);
378
379	if (tr_flags & BG_NEEDS_TINT)
380	{	348	}
381	ShadingInfo as_shade;	349	}
382	as_shade.shading = shade;
383		350
384	rgba c (rgba::MAX_CC,rgba::MAX_CC,rgba::MAX_CC);	351	# if HAVE_PIXBUF
385	if (bg_flags & BG_TINT_SET)	352	bool
386	tint.get (c);	353	rxvt_term::pixbuf_to_pixmap (GdkPixbuf *pixbuf, Pixmap pixmap, GC gc,
387	as_shade.tintColor.red = c.r;	354	int src_x, int src_y, int dst_x, int dst_y,
388	as_shade.tintColor.green = c.g;	355	unsigned int width, unsigned int height, bool argb)
389	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;
390		365
391	background_tint = shading2tint32 (&as_shade);	366	if (visual->c_class != TrueColor)
		367	return false;
		368
		369	if (argb)
392	}	370	{
393		371	red_mask = 0xff << 16;
394	if ((tr_flags & BG_NEEDS_BLUR) && background != NULL)	372	green_mask = 0xff << 8;
		373	blue_mask = 0xff;
		374	alpha_mask = 0xff << 24;
395	{	375	}
396	ASImage *tmp = blur_asimage_gauss (asv, background, h_blurRadius, v_blurRadius, 0xFFFFFFFF,	376	else
397	(original_asim == NULL || tint == TINT_LEAVE_SAME) ? ASA_XImage : ASA_ASImage,	377	{
398	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);
399	if (tmp)	383	if (format)
400	{	384	alpha_mask = (uint32_t)format->direct.alphaMask << format->direct.alpha;
401	destroy_asimage (&background);	385	else
402	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++)
403	}	438	{
404	}	439	unsigned char *pixel = row + x * channels;
405	# endif	440	uint32_t value;
		441	unsigned char r, g, b, a;
406		442
407	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);
408		495
409	int target_width = szHint.width;	496	int target_width = szHint.width;
410	int target_height = szHint.height;	497	int target_height = szHint.height;
411	int new_pmap_width = target_width;	498	int new_pmap_width = target_width;
412	int new_pmap_height = target_height;	499	int new_pmap_height = target_height;
…		…
414	int x = 0;	501	int x = 0;
415	int y = 0;	502	int y = 0;
416	int w = 0;	503	int w = 0;
417	int h = 0;	504	int h = 0;
418		505
419	if (original_asim)	506	get_image_geometry (image, w, h, x, y);
420	get_image_geometry (original_asim->width, original_asim->height, w, h, x, y);
421		507
422	if (!original_asim	508	if (!(image.flags & IM_ROOT_ALIGN)
423	|| (!(bg_flags & BG_ROOT_ALIGN)
424	&& (x >= target_width	509	&& (x >= target_width
425	|| y >= target_height	510	|| y >= target_height
426	|| (x + w <= 0)	511	|| x + w <= 0
427	|| (y + h <= 0))))	512	|| y + h <= 0))
428	{	513	return false;
429	if (background)
430	{
431	new_pmap_width = background->width;
432	new_pmap_height = background->height;
433	result = background;
434		514
435	if (background_tint != TINT_LEAVE_SAME)	515	result = pixbuf;
436	{	516
437	ASImage *tmp = tile_asimage (asv, background, 0, 0,	517	if (w != image_width
438	target_width, target_height, background_tint,	518	|| h != image_height)
439	ASA_XImage, 100, ASIMAGE_QUALITY_DEFAULT);
440	if (tmp)
441	result = tmp;
442	}
443	}
444	else
445	new_pmap_width = new_pmap_height = 0;
446	}	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);
447	else	539	else
448	{	540	{
449	result = original_asim;	541	if (image.flags & IM_TILE)
450
451	if ((w != original_asim->width)
452	|| (h != original_asim->height))
453	{
454	result = scale_asimage (asv, original_asim,
455	w, h,
456	background ? ASA_ASImage : ASA_XImage,
457	100, ASIMAGE_QUALITY_DEFAULT);
458	}	542	{
459		543	new_pmap_width = min (image_width, target_width);
460	if (background == NULL)	544	new_pmap_height = min (image_height, target_height);
461	{	545	}
462	if (bg_flags & BG_TILE)
463	{
464	/* if tiling - pixmap has to be sized exactly as the image,
465	but there is no need to make it bigger than the window! */
466	new_pmap_width = min (result->width, target_width);
467	new_pmap_height = min (result->height, target_height);
468		546
469	/* we also need to tile our image in both directions */
470	ASImage *tmp = tile_asimage (asv, result,
471	(int)result->width - x,
472	(int)result->height - y,
473	new_pmap_width,
474	new_pmap_height,
475	TINT_LEAVE_SAME, ASA_XImage,
476	100, ASIMAGE_QUALITY_DEFAULT);
477	if (tmp)
478	{
479	if (result != original_asim)
480	destroy_asimage (&result);
481
482	result = tmp;
483	}
484	}
485	}
486	else
487	{
488	/* if blending background and image - pixmap has to be sized same as target window */
489	ASImageLayer *layers = create_image_layers (2);
490
491	layers[0].im = background;
492	layers[0].clip_width = target_width;
493	layers[0].clip_height = target_height;
494	layers[0].tint = background_tint;
495	layers[1].im = result;
496
497	if (bg_flags & BG_TILE)
498	{
499	/* tile horizontally */
500	while (x > 0) x -= (int)result->width;
501	layers[1].dst_x = x;
502	layers[1].clip_width = result->width+target_width;
503	}
504	else
505	{
506	/* clip horizontally */
507	layers[1].dst_x = x;
508	layers[1].clip_width = result->width;
509	}
510
511	if (bg_flags & BG_TILE)
512	{
513	while (y > 0) y -= (int)result->height;
514	layers[1].dst_y = y;
515	layers[1].clip_height = result->height + target_height;
516	}
517	else
518	{
519	layers[1].dst_y = y;
520	layers[1].clip_height = result->height;
521	}
522
523	if (rs[Rs_blendtype])
524	{
525	layers[1].merge_scanlines = blend_scanlines_name2func (rs[Rs_blendtype]);
526	if (layers[1].merge_scanlines == NULL)
527	layers[1].merge_scanlines = alphablend_scanlines;
528	}
529
530	ASImage *tmp = merge_layers (asv, layers, 2, target_width, target_height,
531	ASA_XImage, 0, ASIMAGE_QUALITY_DEFAULT);
532
533	if (tmp)
534	{
535	if (result != original_asim)
536	destroy_asimage (&result);
537
538	result = tmp;
539	}
540
541	free (layers);
542	}
543	}
544
545	bool ret = false;
546
547	if (result)
548	{
549	XGCValues gcv;
550	GC gc;
551
552	/* create Pixmap */
553	if (bg_pixmap == None	547	if (bg_pixmap == None
554	|| bg_pmap_width != new_pmap_width	548	|| bg_pmap_width != new_pmap_width
555	|| bg_pmap_height != new_pmap_height)	549	|| bg_pmap_height != new_pmap_height)
556	{	550	{
557	if (bg_pixmap)	551	if (bg_pixmap)
558	XFreePixmap (dpy, bg_pixmap);	552	XFreePixmap (dpy, bg_pixmap);
559	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);
560	bg_pmap_width = new_pmap_width;	554	bg_pmap_width = new_pmap_width;
561	bg_pmap_height = new_pmap_height;	555	bg_pmap_height = new_pmap_height;
562	}	556	}
563	/* fill with background color (if result's not completely overlapping it) */
564	gcv.foreground = pix_colors[Color_bg];
565	gc = XCreateGC (dpy, vt, GCForeground, &gcv);
566		557
567	int src_x = 0, src_y = 0, dst_x = 0, dst_y = 0;
568	int dst_width = result->width, dst_height = result->height;
569	if (background == NULL)
570	{
571	if (!(bg_flags & BG_TILE))
572	{
573	src_x = make_clip_rectangle (x, result->width , new_pmap_width , dst_x, dst_width );
574	src_y = make_clip_rectangle (y, result->height, new_pmap_height, dst_y, dst_height);
575	}
576
577	if (dst_x > 0 || dst_y > 0
578	|| dst_x + dst_width < new_pmap_width
579	|| dst_y + dst_height < new_pmap_height)
580	XFillRectangle (dpy, bg_pixmap, gc, 0, 0, new_pmap_width, new_pmap_height);
581	}
582
583	/* put result on pixmap */
584	if (dst_x < new_pmap_width && dst_y < new_pmap_height)
585	asimage2drawable (asv, bg_pixmap, result, gc, src_x, src_y, dst_x, dst_y, dst_width, dst_height, True);
586
587	if (result != background && result != original_asim)
588	destroy_asimage (&result);
589
590	XFreeGC (dpy, gc);
591
592	ret = true;
593	}
594
595	if (background)
596	destroy_asimage (&background);
597
598	return ret;
599	}
600	# endif /* HAVE_AFTERIMAGE */
601
602	# ifdef HAVE_PIXBUF
603	bool
604	rxvt_term::pixbuf_to_pixmap (GdkPixbuf *pixbuf, Pixmap pixmap, GC gc,
605	int src_x, int src_y, int dst_x, int dst_y,
606	unsigned int width, unsigned int height)
607	{
608	XImage *ximage;
609	char *data, *line;
610	int bytes_per_pixel;
611	int width_r, width_g, width_b;
612	int sh_r, sh_g, sh_b;
613	int rowstride;
614	int channels;
615	unsigned char *row;
616
617	if (visual->c_class != TrueColor)
618	return false;
619
620	if (depth == 24 || depth == 32)
621	bytes_per_pixel = 4;
622	else if (depth == 15 || depth == 16)
623	bytes_per_pixel = 2;
624	else
625	return false;
626
627	width_r = ecb_popcount32 (visual->red_mask);
628	width_g = ecb_popcount32 (visual->green_mask);
629	width_b = ecb_popcount32 (visual->blue_mask);
630
631	if (width_r > 8 || width_g > 8 || width_b > 8)
632	return false;
633
634	sh_r = ecb_ctz32 (visual->red_mask);
635	sh_g = ecb_ctz32 (visual->green_mask);
636	sh_b = ecb_ctz32 (visual->blue_mask);
637
638	if (width > INT_MAX / height / bytes_per_pixel)
639	return false;
640
641	data = (char *)malloc (width * height * bytes_per_pixel);
642	if (!data)
643	return false;
644
645	ximage = XCreateImage (dpy, visual, depth, ZPixmap, 0, data,
646	width, height, bytes_per_pixel * 8, 0);
647	if (!ximage)
648	{
649	free (data);
650	return false;
651	}
652
653	ximage->byte_order = ecb_big_endian () ? MSBFirst : LSBFirst;
654
655	rowstride = gdk_pixbuf_get_rowstride (pixbuf);
656	channels = gdk_pixbuf_get_n_channels (pixbuf);
657	row = gdk_pixbuf_get_pixels (pixbuf) + src_y * rowstride + src_x * channels;
658	line = data;
659
660	for (int y = 0; y < height; y++)
661	{
662	for (int x = 0; x < width; x++)
663	{
664	unsigned char *pixel = row + x * channels;
665	uint32_t value;
666
667	value = ((pixel[0] >> (8 - width_r)) << sh_r)
668	| ((pixel[1] >> (8 - width_g)) << sh_g)
669	| ((pixel[2] >> (8 - width_b)) << sh_b);
670
671	if (bytes_per_pixel == 4)
672	((uint32_t *)line)[x] = value;
673	else
674	((uint16_t *)line)[x] = value;
675	}
676
677	row += rowstride;
678	line += ximage->bytes_per_line;
679	}
680
681	XPutImage (dpy, pixmap, gc, ximage, 0, 0, dst_x, dst_y, width, height);
682	XDestroyImage (ximage);
683	return true;
684	}
685
686	bool
687	rxvt_term::render_image (unsigned long tr_flags)
688	{
689	if (!pixbuf)
690	return false;
691
692	if (tr_flags
693	&& !(bg_flags & BG_HAS_RENDER))
694	return false;
695
696	GdkPixbuf *result;
697
698	int image_width = gdk_pixbuf_get_width (pixbuf);
699	int image_height = gdk_pixbuf_get_height (pixbuf);
700
701	int target_width = szHint.width;
702	int target_height = szHint.height;
703	int new_pmap_width = target_width;
704	int new_pmap_height = target_height;
705
706	int x = 0;
707	int y = 0;
708	int w = 0;
709	int h = 0;
710
711	get_image_geometry (image_width, image_height, w, h, x, y);
712
713	if (!(bg_flags & BG_ROOT_ALIGN)
714	&& (x >= target_width
715	|| y >= target_height
716	|| (x + w <= 0)
717	|| (y + h <= 0)))
718	return false;
719
720	result = pixbuf;
721
722	if ((w != image_width)
723	|| (h != image_height))
724	{
725	result = gdk_pixbuf_scale_simple (pixbuf,
726	w, h,
727	GDK_INTERP_BILINEAR);
728	}
729
730	if (!result)
731	return false;
732
733	bool ret = false;
734
735	XGCValues gcv;
736	GC gc;
737	Pixmap root_pmap;
738
739	image_width = gdk_pixbuf_get_width (result);
740	image_height = gdk_pixbuf_get_height (result);
741
742	if (tr_flags)
743	{
744	root_pmap = bg_pixmap;	558	tmp_pixmap = bg_pixmap;
745	bg_pixmap = None;
746	}
747	else
748	{
749	if (bg_flags & BG_TILE)
750	{
751	new_pmap_width = min (image_width, target_width);
752	new_pmap_height = min (image_height, target_height);
753	}
754	}
755
756	if (bg_pixmap == None
757	|| bg_pmap_width != new_pmap_width
758	|| bg_pmap_height != new_pmap_height)
759	{
760	if (bg_pixmap)
761	XFreePixmap (dpy, bg_pixmap);
762	bg_pixmap = XCreatePixmap (dpy, vt, new_pmap_width, new_pmap_height, depth);
763	bg_pmap_width = new_pmap_width;
764	bg_pmap_height = new_pmap_height;
765	}	559	}
766		560
767	gcv.foreground = pix_colors[Color_bg];	561	gcv.foreground = pix_colors[Color_bg];
768	gc = XCreateGC (dpy, vt, GCForeground, &gcv);	562	gc = XCreateGC (dpy, tmp_pixmap, GCForeground, &gcv);
769		563
770	if (gc)	564	if (gc)
771	{	565	{
772	if (bg_flags & BG_TILE)	566	if (image.flags & IM_TILE)
773	{	567	{
774	Pixmap tile = XCreatePixmap (dpy, vt, image_width, image_height, depth);	568	Pixmap tile = XCreatePixmap (dpy, vt, image_width, image_height, need_blend ? 32 : depth);
775	pixbuf_to_pixmap (result, tile, gc,	569	pixbuf_to_pixmap (result, tile, gc,
776	0, 0,	570	0, 0,
777	0, 0,	571	0, 0,
778	image_width, image_height);	572	image_width, image_height, need_blend);
779		573
780	gcv.tile = tile;	574	gcv.tile = tile;
781	gcv.fill_style = FillTiled;	575	gcv.fill_style = FillTiled;
782	gcv.ts_x_origin = x;	576	gcv.ts_x_origin = x;
783	gcv.ts_y_origin = y;	577	gcv.ts_y_origin = y;
784	XChangeGC (dpy, gc, GCFillStyle | GCTile | GCTileStipXOrigin | GCTileStipYOrigin, &gcv);	578	XChangeGC (dpy, gc, GCFillStyle | GCTile | GCTileStipXOrigin | GCTileStipYOrigin, &gcv);
785		579
786	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);
787	XFreePixmap (dpy, tile);	581	XFreePixmap (dpy, tile);
788	}	582	}
789	else	583	else
790	{	584	{
791	int src_x, src_y, dst_x, dst_y;	585	int src_x, src_y, dst_x, dst_y;
…		…
795	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);
796		590
797	if (dst_x > 0 || dst_y > 0	591	if (dst_x > 0 || dst_y > 0
798	|| dst_x + dst_width < new_pmap_width	592	|| dst_x + dst_width < new_pmap_width
799	|| dst_y + dst_height < new_pmap_height)	593	|| dst_y + dst_height < new_pmap_height)
800	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);
801		595
802	if (dst_x < new_pmap_width && dst_y < new_pmap_height)	596	if (dst_x < new_pmap_width && dst_y < new_pmap_height)
803	pixbuf_to_pixmap (result, bg_pixmap, gc,	597	pixbuf_to_pixmap (result, tmp_pixmap, gc,
804	src_x, src_y,	598	src_x, src_y,
805	dst_x, dst_y,	599	dst_x, dst_y,
806	dst_width, dst_height);	600	dst_width, dst_height, need_blend);
807	}	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);
808		607
809	#if XRENDER	608	#if XRENDER
810	if (tr_flags)	609	if (need_blend)
811	{	610	{
812	XRenderPictureAttributes pa;	611	XRenderPictFormat *argb_format = XRenderFindStandardFormat (dpy, PictStandardARGB32);
813
814	XRenderPictFormat *src_format = XRenderFindVisualFormat (dpy, visual);	612	XRenderPictFormat *format = XRenderFindVisualFormat (dpy, visual);
		613
815	Picture src = XRenderCreatePicture (dpy, root_pmap, src_format, 0, &pa);	614	Picture src = XRenderCreatePicture (dpy, tmp_pixmap, argb_format, 0, 0);
816		615
817	XRenderPictFormat *dst_format = XRenderFindVisualFormat (dpy, visual);
818	Picture dst = XRenderCreatePicture (dpy, bg_pixmap, dst_format, 0, &pa);	616	Picture dst = XRenderCreatePicture (dpy, bg_pixmap, format, 0, 0);
819		617
820	pa.repeat = True;	618	Picture mask = create_xrender_mask (dpy, vt, False, False);
821	Pixmap mask_pmap = XCreatePixmap (dpy, vt, 1, 1, 8);
822	XRenderPictFormat *mask_format = XRenderFindStandardFormat (dpy, PictStandardA8);
823	Picture mask = XRenderCreatePicture (dpy, mask_pmap, mask_format, CPRepeat, &pa);
824	XFreePixmap (dpy, mask_pmap);
825		619
826	XRenderColor mask_c;	620	XRenderColor mask_c;
827		621
828	mask_c.alpha = 0x8000;	622	mask_c.alpha = image.alpha;
829	mask_c.red = 0;	623	mask_c.red =
830	mask_c.green = 0;	624	mask_c.green =
831	mask_c.blue = 0;	625	mask_c.blue = 0;
832	XRenderFillRectangle (dpy, PictOpSrc, mask, &mask_c, 0, 0, 1, 1);	626	XRenderFillRectangle (dpy, PictOpSrc, mask, &mask_c, 0, 0, 1, 1);
		627
833	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);
834		629
835	XRenderFreePicture (dpy, src);	630	XRenderFreePicture (dpy, src);
836	XRenderFreePicture (dpy, dst);	631	XRenderFreePicture (dpy, dst);
837	XRenderFreePicture (dpy, mask);	632	XRenderFreePicture (dpy, mask);
…		…
844	}	639	}
845		640
846	if (result != pixbuf)	641	if (result != pixbuf)
847	g_object_unref (result);	642	g_object_unref (result);
848		643
849	if (tr_flags)	644	if (need_blend)
850	XFreePixmap (dpy, root_pmap);	645	XFreePixmap (dpy, tmp_pixmap);
851		646
852	return ret;	647	return ret;
853	}	648	}
854	# endif /* HAVE_PIXBUF */	649	# endif /* HAVE_PIXBUF */
855		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
856	bool	665	bool
857	rxvt_term::bg_set_file (const char *file)	666	rxvt_image::set_file_geometry (const char *file)
858	{	667	{
859	if (!file || !*file)	668	if (!file || !*file)
860	return false;	669	return false;
861		670
862	if (const char *p = strchr (file, ';'))	671	const char *p = strchr (file, ';');
		672
		673	if (p)
863	{	674	{
864	size_t len = p - file;	675	size_t len = p - file;
865	char *f = rxvt_temp_buf<char> (len + 1);	676	char *f = rxvt_temp_buf<char> (len + 1);
866	memcpy (f, file, len);	677	memcpy (f, file, len);
867	f[len] = '\0';	678	f[len] = '\0';
868	file = f;	679	file = f;
869	}	680	}
870		681
871	# ifdef HAVE_AFTERIMAGE	682	bool ret = set_file (file);
872	if (!asimman)	683	alpha = 0x8000;
873	asimman = create_generic_imageman (rs[Rs_path]);	684	if (ret)
874	ASImage *image = get_asimage (asimman, file, 0xFFFFFFFF, 100);	685	set_geometry (p ? p + 1 : "");
875	if (image)	686	return ret;
876	{	687	}
877	if (original_asim)
878	safe_asimage_destroy (original_asim);
879	original_asim = image;
880	bg_flags |= BG_IS_FROM_FILE | BG_CLIENT_RENDER;
881	return true;
882	}
883	# endif
884		688
		689	bool
		690	rxvt_image::set_file (const char *file)
		691	{
		692	bool ret = false;
		693
885	# ifdef HAVE_PIXBUF	694	# if HAVE_PIXBUF
886	GdkPixbuf *image = gdk_pixbuf_new_from_file (file, NULL);	695	GdkPixbuf *image = gdk_pixbuf_new_from_file (file, NULL);
887	if (image)	696	if (image)
888	{	697	{
889	if (pixbuf)	698	if (pixbuf)
890	g_object_unref (pixbuf);	699	g_object_unref (pixbuf);
891	pixbuf = image;	700	pixbuf = image;
892	bg_flags |= BG_IS_FROM_FILE;
893	return true;	701	ret = true;
894	}	702	}
895	# endif	703	# endif
896		704
		705	if (ret)
		706	flags |= IM_IS_SET;
		707
897	return false;	708	return ret;
898	}	709	}
899		710
900	# endif /* BG_IMAGE_FROM_FILE */	711	# endif /* BG_IMAGE_FROM_FILE */
901		712
902	# ifdef ENABLE_TRANSPARENCY
903	bool	713	bool
904	rxvt_term::bg_set_transparent ()	714	image_effects::set_blur (const char *geom)
905	{
906	if (!(bg_flags & BG_IS_TRANSPARENT))
907	{
908	bg_flags |= BG_IS_TRANSPARENT;
909	return true;
910	}
911
912	return false;
913	}
914
915	bool
916	rxvt_term::bg_set_blur (const char *geom)
917	{	715	{
918	bool changed = false;	716	bool changed = false;
919	unsigned int hr, vr;	717	unsigned int hr, vr;
920	int junk;	718	int junk;
921	int geom_flags = XParseGeometry (geom, &junk, &junk, &hr, &vr);	719	int geom_flags = XParseGeometry (geom, &junk, &junk, &hr, &vr);
…		…
938	{	736	{
939	changed = true;	737	changed = true;
940	v_blurRadius = vr;	738	v_blurRadius = vr;
941	}	739	}
942		740
943	if (v_blurRadius == 0 && h_blurRadius == 0)
944	bg_flags &= ~BG_NEEDS_BLUR;
945	else
946	bg_flags |= BG_NEEDS_BLUR;
947
948	return changed;	741	return changed;
949	}	742	}
950		743
951	void
952	rxvt_term::set_tint_shade_flags ()
953	{
954	rgba c (rgba::MAX_CC,rgba::MAX_CC,rgba::MAX_CC);
955	bool has_shade = shade != 100;
956
957	bg_flags &= ~BG_TINT_FLAGS;
958
959	if (bg_flags & BG_TINT_SET)
960	{
961	tint.get (c);
962	if (!has_shade
963	&& (c.r <= 0x00ff || c.r >= 0xff00)
964	&& (c.g <= 0x00ff || c.g >= 0xff00)
965	&& (c.b <= 0x00ff || c.b >= 0xff00))
966	bg_flags |= BG_TINT_BITAND;
967	}
968
969	if (has_shade || (bg_flags & BG_TINT_SET))
970	bg_flags |= BG_NEEDS_TINT;
971	}
972
973	bool	744	bool
974	rxvt_term::bg_set_tint (rxvt_color &new_tint)	745	image_effects::set_tint (const rxvt_color &new_tint)
975	{	746	{
976	if (!(bg_flags & BG_TINT_SET) || tint != new_tint)	747	if (!tint_set || tint != new_tint)
977	{	748	{
978	tint = new_tint;	749	tint = new_tint;
979	bg_flags |= BG_TINT_SET;	750	tint_set = true;
980	set_tint_shade_flags ();	751
981	return true;	752	return true;
982	}	753	}
983		754
984	return false;	755	return false;
985	}	756	}
986		757
987	bool	758	bool
988	rxvt_term::bg_set_shade (const char *shade_str)	759	image_effects::set_shade (const char *shade_str)
989	{	760	{
990	int new_shade = (shade_str) ? atoi (shade_str) : 100;	761	int new_shade = atoi (shade_str);
991		762
992	clamp_it (new_shade, -100, 200);	763	clamp_it (new_shade, -100, 200);
993	if (new_shade < 0)	764	if (new_shade < 0)
994	new_shade = 200 - (100 + new_shade);	765	new_shade = 200 - (100 + new_shade);
995		766
996	if (new_shade != shade)	767	if (new_shade != shade)
997	{	768	{
998	shade = new_shade;	769	shade = new_shade;
999	set_tint_shade_flags ();
1000	return true;	770	return true;
1001	}	771	}
1002		772
1003	return false;	773	return false;
1004	}	774	}
…		…
1025	params[i+2] = XDoubleToFixed (kernel[i] / sum);	795	params[i+2] = XDoubleToFixed (kernel[i] / sum);
1026	}	796	}
1027	#endif	797	#endif
1028		798
1029	bool	799	bool
1030	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)
1031	{	801	{
1032	bool ret = false;	802	bool ret = false;
1033	#if XRENDER	803	#if XRENDER
		804	if (!(display->flags & DISPLAY_HAS_RENDER_CONV))
		805	return false;
		806
1034	int size = max (h_blurRadius, v_blurRadius) * 2 + 1;	807	int size = max (h_blurRadius, v_blurRadius) * 2 + 1;
1035	double *kernel = (double *)malloc (size * sizeof (double));	808	double *kernel = (double *)malloc (size * sizeof (double));
1036	XFixed *params = (XFixed *)malloc ((size + 2) * sizeof (XFixed));	809	XFixed *params = (XFixed *)malloc ((size + 2) * sizeof (XFixed));
1037		810
1038	XRenderPictureAttributes pa;	811	XRenderPictureAttributes pa;
1039	XRenderPictFormat *format = XRenderFindVisualFormat (dpy, visual);	812	XRenderPictFormat *format = argb ? XRenderFindStandardFormat (dpy, PictStandardARGB32)
		813	: XRenderFindVisualFormat (dpy, visual);
1040		814
		815	pa.repeat = RepeatPad;
1041	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);
1042	Picture dst = XRenderCreatePicture (dpy, pixmap, format, 0, &pa);	818	Picture dst = XRenderCreatePicture (dpy, tmp, format, CPRepeat, &pa);
		819	XFreePixmap (dpy, tmp);
1043		820
1044	if (kernel && params)	821	if (kernel && params)
1045	{	822	{
1046	if (h_blurRadius)
1047	{
1048	size = h_blurRadius * 2 + 1;	823	size = h_blurRadius * 2 + 1;
1049	get_gaussian_kernel (h_blurRadius, size, kernel, params);	824	get_gaussian_kernel (h_blurRadius, size, kernel, params);
1050		825
1051	XRenderSetPictureFilter (dpy, src, FilterConvolution, params, size+2);	826	XRenderSetPictureFilter (dpy, src, FilterConvolution, params, size+2);
1052	XRenderComposite (dpy,	827	XRenderComposite (dpy,
1053	PictOpSrc,	828	PictOpSrc,
1054	src,	829	src,
1055	None,	830	None,
1056	dst,	831	dst,
1057	0, 0,	832	0, 0,
1058	0, 0,	833	0, 0,
1059	0, 0,	834	0, 0,
1060	width, height);	835	width, height);
1061	}
1062		836
1063	if (v_blurRadius)	837	::swap (src, dst);
1064	{	838
1065	size = v_blurRadius * 2 + 1;	839	size = v_blurRadius * 2 + 1;
1066	get_gaussian_kernel (v_blurRadius, size, kernel, params);	840	get_gaussian_kernel (v_blurRadius, size, kernel, params);
1067	::swap (params[0], params[1]);	841	::swap (params[0], params[1]);
1068		842
1069	XRenderSetPictureFilter (dpy, src, FilterConvolution, params, size+2);	843	XRenderSetPictureFilter (dpy, src, FilterConvolution, params, size+2);
1070	XRenderComposite (dpy,	844	XRenderComposite (dpy,
1071	PictOpSrc,	845	PictOpSrc,
1072	src,	846	src,
1073	None,	847	None,
1074	dst,	848	dst,
1075	0, 0,	849	0, 0,
1076	0, 0,	850	0, 0,
1077	0, 0,	851	0, 0,
1078	width, height);	852	width, height);
1079	}
1080		853
1081	ret = true;	854	ret = true;
1082	}	855	}
1083		856
1084	free (kernel);	857	free (kernel);
…		…
1088	#endif	861	#endif
1089	return ret;	862	return ret;
1090	}	863	}
1091		864
1092	bool	865	bool
1093	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)
1094	{	867	{
1095	bool ret = false;	868	bool ret = false;
1096		869
1097	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))
1098	{	879	{
1099	XGCValues gcv;	880	XGCValues gcv;
1100	GC gc;	881	GC gc;
1101		882
1102	/* In this case we can tint image server-side getting significant	883	/* In this case we can tint image server-side getting significant
…		…
1111	XFillRectangle (dpy, pixmap, gc, 0, 0, width, height);	892	XFillRectangle (dpy, pixmap, gc, 0, 0, width, height);
1112	ret = true;	893	ret = true;
1113	XFreeGC (dpy, gc);	894	XFreeGC (dpy, gc);
1114	}	895	}
1115	}	896	}
1116	else
1117	{
1118	# if XRENDER	897	# if XRENDER
1119	rgba c (rgba::MAX_CC, rgba::MAX_CC, rgba::MAX_CC);	898	else if (display->flags & DISPLAY_HAS_RENDER)
1120		899	{
1121	if (bg_flags & BG_TINT_SET)
1122	tint.get (c);
1123
1124	if (shade <= 100)	900	if (shade <= 100)
1125	{	901	{
1126	c.r = c.r * shade / 100;	902	c.r = c.r * shade / 100;
1127	c.g = c.g * shade / 100;	903	c.g = c.g * shade / 100;
1128	c.b = c.b * shade / 100;	904	c.b = c.b * shade / 100;
…		…
1132	c.r = c.r * (200 - shade) / 100;	908	c.r = c.r * (200 - shade) / 100;
1133	c.g = c.g * (200 - shade) / 100;	909	c.g = c.g * (200 - shade) / 100;
1134	c.b = c.b * (200 - shade) / 100;	910	c.b = c.b * (200 - shade) / 100;
1135	}	911	}
1136		912
1137	XRenderPictFormat *solid_format = XRenderFindStandardFormat (dpy, PictStandardARGB32);	913	XRenderPictFormat *format = argb ? XRenderFindStandardFormat (dpy, PictStandardARGB32)
1138	XRenderPictFormat *format = XRenderFindVisualFormat (dpy, visual);	914	: XRenderFindVisualFormat (dpy, visual);
1139	XRenderPictureAttributes pa;
1140		915
1141	Picture back_pic = XRenderCreatePicture (dpy, pixmap, format, 0, &pa);	916	Picture back_pic = XRenderCreatePicture (dpy, pixmap, format, 0, 0);
1142		917
1143	pa.repeat = True;	918	Picture overlay_pic = create_xrender_mask (dpy, pixmap, True, False);
1144		919
1145	Pixmap overlay_pmap = XCreatePixmap (dpy, pixmap, 1, 1, 32);	920	Picture mask_pic = create_xrender_mask (dpy, pixmap, True, True);
1146	Picture overlay_pic = XRenderCreatePicture (dpy, overlay_pmap, solid_format, CPRepeat, &pa);
1147	XFreePixmap (dpy, overlay_pmap);
1148
1149	pa.component_alpha = True;
1150	Pixmap mask_pmap = XCreatePixmap (dpy, pixmap, 1, 1, 32);
1151	Picture mask_pic = XRenderCreatePicture (dpy, mask_pmap, solid_format, CPRepeat | CPComponentAlpha, &pa);
1152	XFreePixmap (dpy, mask_pmap);
1153		921
1154	XRenderColor mask_c;	922	XRenderColor mask_c;
1155		923
1156	mask_c.alpha = 0xffff;	924	mask_c.alpha = 0xffff;
1157	mask_c.red =	925	mask_c.red =
…		…
1162	mask_c.alpha = 0;	930	mask_c.alpha = 0;
1163	mask_c.red = 0xffff - c.r;	931	mask_c.red = 0xffff - c.r;
1164	mask_c.green = 0xffff - c.g;	932	mask_c.green = 0xffff - c.g;
1165	mask_c.blue = 0xffff - c.b;	933	mask_c.blue = 0xffff - c.b;
1166	XRenderFillRectangle (dpy, PictOpSrc, mask_pic, &mask_c, 0, 0, 1, 1);	934	XRenderFillRectangle (dpy, PictOpSrc, mask_pic, &mask_c, 0, 0, 1, 1);
		935
1167	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);
1168		937
1169	if (shade > 100)	938	if (shade > 100)
1170	{	939	{
1171	mask_c.red = mask_c.green = mask_c.blue = 0xffff * (shade - 100) / 100;
1172	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;
1173	XRenderFillRectangle (dpy, PictOpSrc, overlay_pic, &mask_c, 0, 0, 1, 1);	944	XRenderFillRectangle (dpy, PictOpSrc, overlay_pic, &mask_c, 0, 0, 1, 1);
1174		945
1175	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);
1176	}	947	}
1177		948
1178	ret = true;	949	ret = true;
1179		950
1180	XRenderFreePicture (dpy, mask_pic);	951	XRenderFreePicture (dpy, mask_pic);
1181	XRenderFreePicture (dpy, overlay_pic);	952	XRenderFreePicture (dpy, overlay_pic);
1182	XRenderFreePicture (dpy, back_pic);	953	XRenderFreePicture (dpy, back_pic);
		954	}
1183	# endif	955	# endif
1184	}
1185		956
1186	return ret;	957	return ret;
1187	}	958	}
1188		959
		960	# if ENABLE_TRANSPARENCY
1189	/*	961	/*
1190	* 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
1191	* 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
1192	* our window.	964	* our window.
1193	*/	965	*/
1194	unsigned long	966	bool
1195	rxvt_term::make_transparency_pixmap ()	967	rxvt_term::render_root_image ()
1196	{	968	{
1197	unsigned long result = 0;	969	bool ret = false;
1198		970
1199	/* 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
1200	* be always up-to-date, so let's use it :	972	* be always up-to-date, so let's use it :
1201	*/	973	*/
1202	int screen = display->screen;	974	int screen = display->screen;
…		…
1236	Pixmap recoded_root_pmap = root_pixmap;	1008	Pixmap recoded_root_pmap = root_pixmap;
1237		1009
1238	if (root_pixmap != None && root_depth != depth)	1010	if (root_pixmap != None && root_depth != depth)
1239	{	1011	{
1240	#if XRENDER	1012	#if XRENDER
1241	if (bg_flags & BG_HAS_RENDER)	1013	if (display->flags & DISPLAY_HAS_RENDER)
1242	{	1014	{
1243	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);
1244		1016
1245	XRenderPictureAttributes pa;
1246
1247	XRenderPictFormat *src_format = XRenderFindVisualFormat (dpy, DefaultVisual (dpy, screen));	1017	XRenderPictFormat *src_format = XRenderFindVisualFormat (dpy, DefaultVisual (dpy, screen));
1248	Picture src = XRenderCreatePicture (dpy, root_pixmap, src_format, 0, &pa);	1018	Picture src = XRenderCreatePicture (dpy, root_pixmap, src_format, 0, 0);
1249		1019
1250	XRenderPictFormat *dst_format = XRenderFindVisualFormat (dpy, visual);	1020	XRenderPictFormat *dst_format = XRenderFindVisualFormat (dpy, visual);
1251	Picture dst = XRenderCreatePicture (dpy, recoded_root_pmap, dst_format, 0, &pa);	1021	Picture dst = XRenderCreatePicture (dpy, recoded_root_pmap, dst_format, 0, 0);
1252		1022
1253	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);
1254		1024
1255	XRenderFreePicture (dpy, src);	1025	XRenderFreePicture (dpy, src);
1256	XRenderFreePicture (dpy, dst);	1026	XRenderFreePicture (dpy, dst);
…		…
1273	bg_pmap_width = window_width;	1043	bg_pmap_width = window_width;
1274	bg_pmap_height = window_height;	1044	bg_pmap_height = window_height;
1275	}	1045	}
1276		1046
1277	/* straightforward pixmap copy */	1047	/* straightforward pixmap copy */
1278	while (sx < 0) sx += root_width;	1048	while (sx < 0) sx += root_pmap_width;
1279	while (sy < 0) sy += root_height;	1049	while (sy < 0) sy += root_pmap_height;
1280		1050
1281	gcv.tile = recoded_root_pmap;	1051	gcv.tile = recoded_root_pmap;
1282	gcv.fill_style = FillTiled;	1052	gcv.fill_style = FillTiled;
1283	gcv.ts_x_origin = -sx;	1053	gcv.ts_x_origin = -sx;
1284	gcv.ts_y_origin = -sy;	1054	gcv.ts_y_origin = -sy;
1285	gc = XCreateGC (dpy, vt, GCFillStyle | GCTile | GCTileStipXOrigin | GCTileStipYOrigin, &gcv);	1055	gc = XCreateGC (dpy, vt, GCFillStyle | GCTile | GCTileStipXOrigin | GCTileStipYOrigin, &gcv);
1286		1056
1287	if (gc)	1057	if (gc)
1288	{	1058	{
1289	XFillRectangle (dpy, bg_pixmap, gc, 0, 0, window_width, window_height);	1059	XFillRectangle (dpy, bg_pixmap, gc, 0, 0, window_width, window_height);
1290	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
1291	XFreeGC (dpy, gc);	1089	XFreeGC (dpy, gc);
1292
1293	if (!(bg_flags & BG_CLIENT_RENDER))
1294	{
1295	if ((bg_flags & BG_NEEDS_BLUR)
1296	&& (bg_flags & BG_HAS_RENDER_CONV))
1297	{
1298	if (blur_pixmap (bg_pixmap, visual, window_width, window_height))
1299	result &= ~BG_NEEDS_BLUR;
1300	}
1301	if ((bg_flags & BG_NEEDS_TINT)
1302	&& (bg_flags & (BG_TINT_BITAND | BG_HAS_RENDER)))
1303	{
1304	if (tint_pixmap (bg_pixmap, visual, window_width, window_height))
1305	result &= ~BG_NEEDS_TINT;
1306	}
1307	} /* server side rendering completed */
1308	}	1090	}
1309		1091
1310	if (recoded_root_pmap != root_pixmap)	1092	if (recoded_root_pmap != root_pixmap)
1311	XFreePixmap (dpy, recoded_root_pmap);	1093	XFreePixmap (dpy, recoded_root_pmap);
1312		1094
1313	return result;	1095	return ret;
1314	}	1096	}
1315		1097
1316	void	1098	void
1317	rxvt_term::bg_set_root_pixmap ()	1099	rxvt_term::bg_set_root_pixmap ()
1318	{	1100	{
1319	Pixmap new_root_pixmap = get_pixmap_property (xa[XA_XROOTPMAP_ID]);	1101	Pixmap new_root_pixmap = display->get_pixmap_property (xa[XA_XROOTPMAP_ID]);
1320	if (new_root_pixmap == None)	1102	if (new_root_pixmap == None)
1321	new_root_pixmap = get_pixmap_property (xa[XA_ESETROOT_PMAP_ID]);	1103	new_root_pixmap = display->get_pixmap_property (xa[XA_ESETROOT_PMAP_ID]);
1322		1104
1323	root_pixmap = new_root_pixmap;	1105	root_pixmap = new_root_pixmap;
1324	}	1106	}
1325	# endif /* ENABLE_TRANSPARENCY */	1107	# endif /* ENABLE_TRANSPARENCY */
1326		1108
1327	#if defined(ENABLE_TRANSPARENCY) && !defined(HAVE_AFTERIMAGE)	1109	void
1328	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	}
1329	# endif	1120	# endif
1330		1121
1331	bool	1122	# if BG_IMAGE_FROM_FILE
1332	rxvt_term::bg_render ()	1123	if (fimage.flags & IM_IS_SET)
1333	{
1334	unsigned long tr_flags = 0;
1335
1336	bg_invalidate ();
1337	# ifdef ENABLE_TRANSPARENCY
1338	if (bg_flags & BG_IS_TRANSPARENT)
1339	{	1124	{
1340	/* we need to re-generate transparency pixmap in that case ! */	1125	if (render_image (fimage))
1341	tr_flags = make_transparency_pixmap ();
1342	if (tr_flags == 0)
1343	return false;
1344	else if (!(tr_flags & BG_EFFECTS_FLAGS))
1345	bg_flags |= BG_IS_VALID;	1126	bg_flags |= BG_IS_VALID;
1346	}
1347	# endif
1348
1349	# ifdef BG_IMAGE_FROM_FILE
1350	if ((bg_flags & BG_IS_FROM_FILE)
1351	|| (tr_flags & BG_EFFECTS_FLAGS))
1352	{
1353	if (render_image (tr_flags))
1354	bg_flags |= BG_IS_VALID;
1355	}
1356	# endif
1357
1358	# if defined(ENABLE_TRANSPARENCY) && !defined(HAVE_AFTERIMAGE)
1359	XImage *result = NULL;
1360
1361	if (tr_flags && !(bg_flags & BG_IS_VALID))
1362	{
1363	result = XGetImage (dpy, bg_pixmap, 0, 0, bg_pmap_width, bg_pmap_height, AllPlanes, ZPixmap);
1364	}
1365
1366	if (result)
1367	{
1368	/* our own client-side tinting */
1369	if (tr_flags & BG_NEEDS_TINT)
1370	{
1371	rgba c (rgba::MAX_CC,rgba::MAX_CC,rgba::MAX_CC);
1372	if (bg_flags & BG_TINT_SET)
1373	tint.get (c);
1374	shade_ximage (DefaultVisual (dpy, display->screen), result, shade, c);
1375	}
1376
1377	GC gc = XCreateGC (dpy, vt, 0UL, NULL);
1378
1379	if (gc)
1380	{
1381	XPutImage (dpy, bg_pixmap, gc, result, 0, 0, 0, 0, result->width, result->height);
1382
1383	XFreeGC (dpy, gc);
1384	bg_flags |= BG_IS_VALID;
1385	}
1386
1387	XDestroyImage (result);
1388	}	1127	}
1389	# endif	1128	# endif
1390		1129
1391	if (!(bg_flags & BG_IS_VALID))	1130	if (!(bg_flags & BG_IS_VALID))
1392	{	1131	{
…		…
1399		1138
1400	scr_recolour (false);	1139	scr_recolour (false);
1401	bg_flags |= BG_NEEDS_REFRESH;	1140	bg_flags |= BG_NEEDS_REFRESH;
1402		1141
1403	bg_valid_since = ev::now ();	1142	bg_valid_since = ev::now ();
1404
1405	return true;
1406	}	1143	}
1407		1144
1408	void	1145	void
1409	rxvt_term::bg_init ()	1146	rxvt_term::bg_init ()
1410	{	1147	{
1411	#ifdef ENABLE_TRANSPARENCY	1148	#if BG_IMAGE_FROM_FILE
1412	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	}
1413	#endif	1155	#endif
1414
1415	bg_flags &= ~(BG_HAS_RENDER | BG_HAS_RENDER_CONV);
1416	#if XRENDER
1417	int major, minor;
1418	if (XRenderQueryVersion (dpy, &major, &minor))
1419	bg_flags |= BG_HAS_RENDER;
1420	XFilters *filters = XRenderQueryFilters (dpy, vt);
1421	if (filters)
1422	{
1423	for (int i = 0; i < filters->nfilter; i++)
1424	if (!strcmp (filters->filter[i], FilterConvolution))
1425	bg_flags |= BG_HAS_RENDER_CONV;
1426
1427	XFree (filters);
1428	}
1429	#endif
1430	}	1156	}
1431		1157
1432	#endif /* HAVE_BG_PIXMAP */
1433
1434	#if defined(ENABLE_TRANSPARENCY) && !defined(HAVE_AFTERIMAGE)
1435	/* taken from aterm-0.4.2 */	1158	/* based on code from aterm-0.4.2 */
1436		1159
1437	static void	1160	static inline void
1438	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)
1439	{	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;
1440	int sh_r, sh_g, sh_b;	1176	int sh_r, sh_g, sh_b;
1441	uint32_t mask_r, mask_g, mask_b;	1177	uint32_t mask_r, mask_g, mask_b;
1442	uint32_t *lookup, *lookup_r, *lookup_g, *lookup_b;	1178	uint32_t *lookup, *lookup_r, *lookup_g, *lookup_b;
1443	rgba low;	1179	unsigned short low;
1444	rgba high;
1445	int i;
1446	int host_byte_order = ecb_big_endian () ? MSBFirst : LSBFirst;	1180	int host_byte_order = ecb_big_endian () ? MSBFirst : LSBFirst;
1447		1181
1448	if (visual->c_class != TrueColor || ximage->format != ZPixmap) return;	1182	if (visual->c_class != TrueColor || ximage->format != ZPixmap) return;
1449		1183
1450	/* for convenience */	1184	/* for convenience */
1451	mask_r = visual->red_mask;	1185	mask_r = visual->red_mask;
1452	mask_g = visual->green_mask;	1186	mask_g = visual->green_mask;
1453	mask_b = visual->blue_mask;	1187	mask_b = visual->blue_mask;
1454		1188
1455	/* boring lookup table pre-initialization */	1189	/* boring lookup table pre-initialization */
1456	switch (ximage->depth)	1190	sh_r = ecb_ctz32 (mask_r);
1457	{	1191	sh_g = ecb_ctz32 (mask_g);
1458	case 15:	1192	sh_b = ecb_ctz32 (mask_b);
1459	if ((mask_r != 0x7c00) ||	1193
1460	(mask_g != 0x03e0) ||	1194	size_r = mask_r >> sh_r;
1461	(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)
1462	return;	1199	return;
1463	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));
1464	lookup_r = lookup;	1202	lookup_r = lookup;
1465	lookup_g = lookup+32;	1203	lookup_g = lookup + size_r;
1466	lookup_b = lookup+32+32;	1204	lookup_b = lookup + size_r + size_g;
1467	sh_r = 10;	1205
1468	sh_g = 5;	1206	rgba c (rgba::MAX_CC, rgba::MAX_CC, rgba::MAX_CC);
1469	sh_b = 0;	1207
1470	break;	1208	if (tint_set)
1471	case 16:	1209	tint.get (c);
1472	if ((mask_r != 0xf800) ||
1473	(mask_g != 0x07e0) ||
1474	(mask_b != 0x001f))
1475	return;
1476	lookup = (uint32_t *) malloc (sizeof (uint32_t)*(32+64+32));
1477	lookup_r = lookup;
1478	lookup_g = lookup+32;
1479	lookup_b = lookup+32+64;
1480	sh_r = 11;
1481	sh_g = 5;
1482	sh_b = 0;
1483	break;
1484	case 24:
1485	if ((mask_r != 0xff0000) ||
1486	(mask_g != 0x00ff00) ||
1487	(mask_b != 0x0000ff))
1488	return;
1489	lookup = (uint32_t *) malloc (sizeof (uint32_t)*(256+256+256));
1490	lookup_r = lookup;
1491	lookup_g = lookup+256;
1492	lookup_b = lookup+256+256;
1493	sh_r = 16;
1494	sh_g = 8;
1495	sh_b = 0;
1496	break;
1497	case 32:
1498	if ((mask_r != 0xff0000) ||
1499	(mask_g != 0x00ff00) ||
1500	(mask_b != 0x0000ff))
1501	return;
1502	lookup = (uint32_t *) malloc (sizeof (uint32_t)*(256+256+256));
1503	lookup_r = lookup;
1504	lookup_g = lookup+256;
1505	lookup_b = lookup+256+256;
1506	sh_r = 16;
1507	sh_g = 8;
1508	sh_b = 0;
1509	break;
1510	default:
1511	return; /* we do not support this color depth */
1512	}
1513		1210
1514	/* prepare limits for color transformation (each channel is handled separately) */	1211	/* prepare limits for color transformation (each channel is handled separately) */
1515	if (shade > 100)	1212	if (shade > 100)
1516	{	1213	{
1517	shade = 200 - shade;
1518
1519	high.r = c.r * shade / 100;
1520	high.g = c.g * shade / 100;
1521	high.b = c.b * shade / 100;
1522
1523	low.r = 65535 * (100 - shade) / 100;	1214	c.r = c.r * (200 - shade) / 100;
1524	low.g = 65535 * (100 - shade) / 100;	1215	c.g = c.g * (200 - shade) / 100;
1525	low.b = 65535 * (100 - shade) / 100;	1216	c.b = c.b * (200 - shade) / 100;
		1217
		1218	low = 0xffff * (shade - 100) / 100;
1526	}	1219	}
1527	else	1220	else
1528	{	1221	{
1529	high.r = c.r * shade / 100;	1222	c.r = c.r * shade / 100;
1530	high.g = c.g * shade / 100;	1223	c.g = c.g * shade / 100;
1531	high.b = c.b * shade / 100;	1224	c.b = c.b * shade / 100;
1532		1225
1533	low.r = low.g = low.b = 0;	1226	low = 0;
1534	}	1227	}
1535		1228
1536	/* fill our lookup tables */	1229	/* fill our lookup tables */
1537	for (i = 0; i <= mask_r>>sh_r; i++)	1230	fill_lut (lookup_r, mask_r, sh_r, low, c.r);
1538	{	1231	fill_lut (lookup_g, mask_g, sh_g, low, c.g);
1539	uint32_t tmp;	1232	fill_lut (lookup_b, mask_b, sh_b, low, c.b);
1540	tmp = i * high.r;
1541	tmp += (mask_r>>sh_r) * low.r;
1542	lookup_r[i] = (tmp/65535)<<sh_r;
1543	}
1544	for (i = 0; i <= mask_g>>sh_g; i++)
1545	{
1546	uint32_t tmp;
1547	tmp = i * high.g;
1548	tmp += (mask_g>>sh_g) * low.g;
1549	lookup_g[i] = (tmp/65535)<<sh_g;
1550	}
1551	for (i = 0; i <= mask_b>>sh_b; i++)
1552	{
1553	uint32_t tmp;
1554	tmp = i * high.b;
1555	tmp += (mask_b>>sh_b) * low.b;
1556	lookup_b[i] = (tmp/65535)<<sh_b;
1557	}
1558		1233
1559	/* apply table to input image (replacing colors by newly calculated ones) */	1234	/* apply table to input image (replacing colors by newly calculated ones) */
1560	if (ximage->bits_per_pixel == 32	1235	if (ximage->bits_per_pixel == 32
1561	&& (ximage->depth == 24 || ximage->depth == 32)
1562	&& ximage->byte_order == host_byte_order)	1236	&& ximage->byte_order == host_byte_order)
1563	{	1237	{
1564	uint32_t *p1, *pf, *p, *pl;	1238	char *line = ximage->data;
1565	p1 = (uint32_t *) ximage->data;
1566	pf = (uint32_t *) (ximage->data + ximage->height * ximage->bytes_per_line);
1567		1239
1568	while (p1 < pf)	1240	for (int y = 0; y < ximage->height; y++)
1569	{	1241	{
1570	p = p1;	1242	uint32_t *p = (uint32_t *)line;
1571	pl = p1 + ximage->width;	1243	for (int x = 0; x < ximage->width; x++)
1572	for (; p < pl; p++)
1573	{	1244	{
1574	*p = lookup_r[(*p & 0xff0000) >> 16] |	1245	*p = lookup_r[(*p & mask_r) >> sh_r] |
1575	lookup_g[(*p & 0x00ff00) >> 8] |	1246	lookup_g[(*p & mask_g) >> sh_g] |
1576	lookup_b[(*p & 0x0000ff)] |	1247	lookup_b[(*p & mask_b) >> sh_b];
1577	(*p & 0xff000000);	1248	p++;
1578	}	1249	}
1579	p1 = (uint32_t *) ((char *) p1 + ximage->bytes_per_line);	1250	line += ximage->bytes_per_line;
1580	}	1251	}
1581	}	1252	}
1582	else	1253	else
1583	{	1254	{
1584	for (int y = 0; y < ximage->height; y++)	1255	for (int y = 0; y < ximage->height; y++)
…		…
1592	}	1263	}
1593	}	1264	}
1594		1265
1595	free (lookup);	1266	free (lookup);
1596	}	1267	}
1597	#endif /* defined(ENABLE_TRANSPARENCY) && !defined(HAVE_AFTERIMAGE) */	1268
		1269	#endif /* HAVE_BG_PIXMAP */

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