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Comparing rxvt-unicode/src/background.C (file contents):
Revision 1.162 by sf-exg, Thu Aug 11 12:27:26 2011 UTC vs.
Revision 1.235 by sf-exg, Thu Jun 7 09:34:51 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	*/
52		40
53	#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
54	void	60	void
55	rxvt_term::bg_destroy ()	61	rxvt_term::bg_destroy ()
56	{	62	{
57	#ifdef HAVE_AFTERIMAGE	63	# if BG_IMAGE_FROM_FILE
58	if (original_asim)	64	fimage.destroy ();
59	safe_asimage_destroy (original_asim);
60	if (asv)
61	destroy_asvisual (asv, 0);
62	if (asimman)
63	destroy_image_manager (asimman, 0);
64	#endif	65	# endif
65
66	#ifdef HAVE_PIXBUF
67	if (pixbuf)
68	g_object_unref (pixbuf);
69	#endif
70		66
71	if (bg_pixmap)	67	if (bg_pixmap)
72	XFreePixmap (dpy, bg_pixmap);	68	XFreePixmap (dpy, bg_pixmap);
73	}	69	}
74		70
…		…
87	}	83	}
88		84
89	bool	85	bool
90	rxvt_term::bg_window_size_sensitive ()	86	rxvt_term::bg_window_size_sensitive ()
91	{	87	{
92	# ifdef ENABLE_TRANSPARENCY	88	# if ENABLE_TRANSPARENCY
93	if (bg_flags & BG_IS_TRANSPARENT)	89	if (bg_flags & BG_IS_TRANSPARENT)
94	return true;	90	return true;
95	# endif	91	# endif
96		92
97	# ifdef BG_IMAGE_FROM_FILE	93	# if BG_IMAGE_FROM_FILE
98	if (bg_flags & BG_IS_FROM_FILE)	94	if (fimage.flags & IM_IS_SET)
99	{	95	{
100	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)
101	return true;	99	return true;
102	}	100	}
103	# endif	101	# endif
104		102
105	return false;	103	return false;
106	}	104	}
107		105
108	bool	106	bool
109	rxvt_term::bg_window_position_sensitive ()	107	rxvt_term::bg_window_position_sensitive ()
110	{	108	{
111	# ifdef ENABLE_TRANSPARENCY	109	# if ENABLE_TRANSPARENCY
112	if (bg_flags & BG_IS_TRANSPARENT)	110	if (bg_flags & BG_IS_TRANSPARENT)
113	return true;	111	return true;
114	# endif	112	# endif
115		113
116	# ifdef BG_IMAGE_FROM_FILE	114	# if BG_IMAGE_FROM_FILE
117	if (bg_flags & BG_IS_FROM_FILE)	115	if (fimage.flags & IM_IS_SET)
118	{	116	{
119	if (bg_flags & BG_ROOT_ALIGN)	117	if (fimage.flags & IM_ROOT_ALIGN)
120	return true;	118	return true;
121	}	119	}
122	# endif	120	# endif
123		121
124	return false;	122	return false;
125	}	123	}
126		124
127	# ifdef BG_IMAGE_FROM_FILE	125	# if BG_IMAGE_FROM_FILE
128	static inline bool
129	check_set_scale_value (int geom_flags, int flag, unsigned int &scale, unsigned int new_value)
130	{
131	if (geom_flags & flag)
132	{
133	if (new_value > 1000)
134	new_value = 1000;
135	if (new_value != scale)
136	{
137	scale = new_value;
138	return true;
139	}
140	}
141	return false;
142	}
143
144	static inline bool
145	check_set_align_value (int geom_flags, int flag, int &align, int new_value)
146	{
147	if (geom_flags & flag)
148	{
149	if (new_value < -100)
150	new_value = -100;
151	else if (new_value > 200)
152	new_value = 200;
153	if (new_value != align)
154	{
155	align = new_value;
156	return true;
157	}
158	}
159	return false;
160	}
161
162	static inline int	126	static inline int
163	make_align_position (int align, int window_size, int image_size)	127	make_align_position (int align, int window_size, int image_size)
164	{	128	{
165	int diff = window_size - image_size;
166	int smaller = min (image_size, window_size);
167
168	if (align >= 0 && align <= 100)	129	if (align >= 0 && align <= 100)
169	return diff * align / 100;	130	return lerp (0, window_size - image_size, align);
170	else if (align > 100 && align <= 200)	131	else if (align > 100)
171	return ((align - 100) * smaller / 100) + window_size - smaller;	132	return lerp (window_size - image_size, window_size, align - 100);
172	else if (align >= -100 && align < 0)	133	else
173	return ((align + 100) * smaller / 100) - image_size;	134	return lerp (-image_size, 0, align + 100);
174	return 0;
175	}	135	}
176		136
177	static inline int	137	static inline int
178	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)
179	{	139	{
…		…
185	src_pos = -pos;	145	src_pos = -pos;
186	dst_pos = 0;	146	dst_pos = 0;
187	dst_size += pos;	147	dst_size += pos;
188	}	148	}
189		149
190	if (dst_pos + dst_size > target_size)
191	dst_size = target_size - dst_pos;	150	min_it (dst_size, target_size - dst_pos);
192	return src_pos;	151	return src_pos;
193	}	152	}
194		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
195	bool	189	bool
196	rxvt_term::bg_set_geometry (const char *geom, bool update)	190	rxvt_image::set_geometry (const char *geom, bool update)
197	{	191	{
198	bool changed = false;	192	bool changed = false;
199	int geom_flags = 0;	193	int geom_flags = 0;
200	int x = 0, y = 0;	194	int x = h_align;
		195	int y = v_align;
201	unsigned int w = 0, h = 0;	196	unsigned int w = h_scale;
202	unsigned int n;	197	unsigned int h = v_scale;
203	unsigned long new_flags = (bg_flags & (~BG_GEOMETRY_FLAGS));	198	uint8_t new_flags = 0;
204	const char *ops;
205		199
206	if (geom == NULL)	200	if (geom == NULL)
207	return false;	201	return false;
208		202
209	char str[256];	203	if (geom[0])
210
211	ops = strchr (geom, ':');
212	if (ops == NULL)
213	n = strlen (geom);
214	else
215	n = ops - geom;
216
217	if (n >= sizeof (str))
218	return false;
219
220	memcpy (str, geom, n);
221	str[n] = '\0';
222	rxvt_strtrim (str);
223
224	if (str[0])
225	{
226	/* we have geometry string - let's handle it prior to applying ops */
227	geom_flags = XParseGeometry (str, &x, &y, &w, &h);
228	} /* done parsing geometry string */
229
230	if (!update)
231	{
232	if (!(geom_flags & XValue))
233	x = y = defaultAlign;
234	else if (!(geom_flags & YValue))
235	y = x;
236
237	if (!(geom_flags & (WidthValue|HeightValue)))
238	w = h = defaultScale;
239	else if (!(geom_flags & HeightValue))
240	h = w;
241	else if (!(geom_flags & WidthValue))
242	w = h;
243
244	geom_flags |= WidthValue|HeightValue|XValue|YValue;
245	}	204	{
246
247	if (ops)
248	{
249	char **arr = rxvt_strsplit (':', ops + 1);	205	char **arr = rxvt_strsplit (':', geom);
250		206
251	for (int i = 0; arr[i]; i++)	207	for (int i = 0; arr[i]; i++)
252	{	208	{
253	if (!strcasecmp (arr[i], "style=tiled"))	209	if (!strncasecmp (arr[i], "style=", 6))
254	{	210	{
255	new_flags = BG_TILE;	211	parse_style (arr[i] + 6, x, y, w, h, new_flags);
256	w = h = noScale;
257	x = y = 0;
258	geom_flags = WidthValue|HeightValue|XValue|YValue;	212	geom_flags = WidthValue|HeightValue|XValue|YValue;
259	}	213	}
260	else if (!strcasecmp (arr[i], "style=aspect-stretched"))
261	{
262	new_flags = BG_PROP_SCALE;
263	x = y = centerAlign;
264	geom_flags = XValue|YValue;
265	}
266	else if (!strcasecmp (arr[i], "style=stretched"))
267	{
268	new_flags = 0;
269	w = h = windowScale;
270	geom_flags = WidthValue|HeightValue;
271	}
272	else if (!strcasecmp (arr[i], "style=centered"))
273	{
274	new_flags = 0;
275	w = h = noScale;
276	x = y = centerAlign;
277	geom_flags = WidthValue|HeightValue|XValue|YValue;
278	}
279	else if (!strcasecmp (arr[i], "style=root-tiled"))
280	{
281	new_flags = BG_TILE|BG_ROOT_ALIGN;
282	w = h = noScale;
283	geom_flags = WidthValue|HeightValue;
284	}
285	else if (!strcasecmp (arr[i], "op=tile"))	214	else if (!strcasecmp (arr[i], "op=tile"))
286	new_flags |= BG_TILE;	215	new_flags |= IM_TILE;
287	else if (!strcasecmp (arr[i], "op=pscale"))	216	else if (!strcasecmp (arr[i], "op=keep-aspect"))
288	new_flags |= BG_PROP_SCALE;	217	new_flags |= IM_KEEP_ASPECT;
289	else if (!strcasecmp (arr[i], "op=root"))	218	else if (!strcasecmp (arr[i], "op=root-align"))
290	new_flags |= BG_ROOT_ALIGN;	219	new_flags |= IM_ROOT_ALIGN;
291		220
292	// deprecated	221	// deprecated
293	else if (!strcasecmp (arr[i], "tile"))	222	else if (!strcasecmp (arr[i], "tile"))
294	{	223	{
295	new_flags |= BG_TILE;	224	new_flags |= IM_TILE;
296	w = h = noScale;	225	w = h = noScale;
297	geom_flags |= WidthValue|HeightValue;	226	geom_flags |= WidthValue|HeightValue;
298	}	227	}
299	else if (!strcasecmp (arr[i], "propscale"))	228	else if (!strcasecmp (arr[i], "propscale"))
300	{	229	{
301	new_flags |= BG_PROP_SCALE;	230	new_flags |= IM_KEEP_ASPECT;
		231	w = h = windowScale;
		232	geom_flags |= WidthValue|HeightValue;
302	}	233	}
303	else if (!strcasecmp (arr[i], "hscale"))	234	else if (!strcasecmp (arr[i], "hscale"))
304	{	235	{
305	new_flags |= BG_TILE;	236	new_flags |= IM_TILE;
306	w = windowScale;	237	w = windowScale;
307	h = noScale;	238	h = noScale;
308	geom_flags |= WidthValue|HeightValue;	239	geom_flags |= WidthValue|HeightValue;
309	}	240	}
310	else if (!strcasecmp (arr[i], "vscale"))	241	else if (!strcasecmp (arr[i], "vscale"))
311	{	242	{
312	new_flags |= BG_TILE;	243	new_flags |= IM_TILE;
313	h = windowScale;	244	h = windowScale;
314	w = noScale;	245	w = noScale;
315	geom_flags |= WidthValue|HeightValue;	246	geom_flags |= WidthValue|HeightValue;
316	}	247	}
317	else if (!strcasecmp (arr[i], "scale"))	248	else if (!strcasecmp (arr[i], "scale"))
…		…
325	x = y = centerAlign;	256	x = y = centerAlign;
326	geom_flags |= WidthValue|HeightValue|XValue|YValue;	257	geom_flags |= WidthValue|HeightValue|XValue|YValue;
327	}	258	}
328	else if (!strcasecmp (arr[i], "root"))	259	else if (!strcasecmp (arr[i], "root"))
329	{	260	{
330	new_flags |= BG_TILE|BG_ROOT_ALIGN;	261	new_flags |= IM_TILE|IM_ROOT_ALIGN;
331	w = h = noScale;	262	w = h = noScale;
332	geom_flags |= WidthValue|HeightValue;	263	geom_flags |= WidthValue|HeightValue;
333	}	264	}
		265
		266	else
		267	geom_flags |= XParseGeometry (arr[i], &x, &y, &w, &h);
334	} /* done parsing ops */	268	} /* done parsing ops */
335		269
336	rxvt_free_strsplit (arr);	270	rxvt_free_strsplit (arr);
337	}	271	}
338		272
339	if (check_set_scale_value (geom_flags, WidthValue, h_scale, w)) changed = true;	273	new_flags |= flags & ~IM_GEOMETRY_FLAGS;
340	if (check_set_scale_value (geom_flags, HeightValue, v_scale, h)) changed = true;
341	if (check_set_align_value (geom_flags, XValue, h_align, x)) changed = true;
342	if (check_set_align_value (geom_flags, YValue, v_align, y)) changed = true;
343		274
344	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;
345	{	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	{
346	bg_flags = new_flags;	299	flags = new_flags;
		300	h_scale = w;
		301	v_scale = h;
		302	h_align = x;
		303	v_align = y;
347	changed = true;	304	changed = true;
348	}	305	}
349		306
		307	if (is_size_sensitive ())
		308	flags |= IM_IS_SIZE_SENSITIVE;
		309	else
		310	flags &= ~IM_IS_SIZE_SENSITIVE;
		311
350	return changed;	312	return changed;
351	}	313	}
352		314
353	void	315	void
354	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)
355	{	317	{
		318	int image_width = image.width ();
		319	int image_height = image.height ();
356	int target_width = szHint.width;	320	int target_width = szHint.width;
357	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);
358		324
359	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)
360	{	329	{
361	float scale = (float)target_width / image_width;	330	float scale = (float)w / image_width;
362	min_it (scale, (float)target_height / image_height);	331	min_it (scale, (float)h / image_height);
363	w = image_width * scale + 0.5;	332	w = image_width * scale + 0.5;
364	h = image_height * scale + 0.5;	333	h = image_height * scale + 0.5;
365	}	334	}
366	else
367	{
368	w = h_scale * target_width / 100;
369	h = v_scale * target_height / 100;
370	}
371		335
372	if (!w) w = image_width;	336	if (!w) w = image_width;
373	if (!h) h = image_height;	337	if (!h) h = image_height;
374		338
375	if (bg_flags & BG_ROOT_ALIGN)	339	if (image.flags & IM_ROOT_ALIGN)
376	{	340	{
377	x = -target_x;	341	x = -target_x;
378	y = -target_y;	342	y = -target_y;
379	}	343	}
380	else	344	else
381	{	345	{
382	x = make_align_position (h_align, target_width, w);	346	x = make_align_position (image.h_align, target_width, w);
383	y = make_align_position (v_align, target_height, h);	347	y = make_align_position (image.v_align, target_height, h);
384	}
385
386	bg_flags &= ~BG_IS_SIZE_SENSITIVE;
387	if (!(bg_flags & BG_TILE)
388	|| (bg_flags & BG_PROP_SCALE) || h_scale || v_scale
389	|| (!(bg_flags & BG_ROOT_ALIGN) && (h_align || v_align))
390	|| w > target_width || h > target_height)
391	bg_flags |= BG_IS_SIZE_SENSITIVE;
392	}
393
394	# ifdef HAVE_AFTERIMAGE
395	bool
396	rxvt_term::render_image (unsigned long tr_flags)
397	{
398	init_asv ();
399
400	ASImage *background = NULL;
401	ARGB32 background_tint = TINT_LEAVE_SAME;
402
403	# ifdef ENABLE_TRANSPARENCY
404	if (tr_flags)
405	background = pixmap2ximage (asv, bg_pixmap, 0, 0, bg_pmap_width, bg_pmap_height, AllPlanes, 100);
406
407	if (tr_flags & BG_NEEDS_TINT)
408	{	348	}
409	ShadingInfo as_shade;	349	}
410	as_shade.shading = shade;
411		350
412	rgba c (rgba::MAX_CC,rgba::MAX_CC,rgba::MAX_CC);	351	# if HAVE_PIXBUF
413	if (bg_flags & BG_TINT_SET)	352	bool
414	tint.get (c);	353	rxvt_term::pixbuf_to_pixmap (GdkPixbuf *pixbuf, Pixmap pixmap, GC gc,
415	as_shade.tintColor.red = c.r;	354	int src_x, int src_y, int dst_x, int dst_y,
416	as_shade.tintColor.green = c.g;	355	unsigned int width, unsigned int height, bool argb)
417	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;
418		365
419	background_tint = shading2tint32 (&as_shade);	366	if (visual->c_class != TrueColor)
		367	return false;
		368
		369	if (argb)
420	}	370	{
421		371	red_mask = 0xff << 16;
422	if ((tr_flags & BG_NEEDS_BLUR) && background != NULL)	372	green_mask = 0xff << 8;
		373	blue_mask = 0xff;
		374	alpha_mask = 0xff << 24;
423	{	375	}
424	ASImage *tmp = blur_asimage_gauss (asv, background, h_blurRadius, v_blurRadius, 0xFFFFFFFF,	376	else
425	(original_asim == NULL || tint == TINT_LEAVE_SAME) ? ASA_XImage : ASA_ASImage,	377	{
426	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);
427	if (tmp)	383	if (format)
428	{	384	alpha_mask = (uint32_t)format->direct.alphaMask << format->direct.alpha;
429	destroy_asimage (&background);	385	else
430	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++)
431	}	438	{
432	}	439	unsigned char *pixel = row + x * channels;
433	# endif	440	uint32_t value;
		441	unsigned char r, g, b, a;
434		442
435	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);
436		495
437	int target_width = szHint.width;	496	int target_width = szHint.width;
438	int target_height = szHint.height;	497	int target_height = szHint.height;
439	int new_pmap_width = target_width;	498	int new_pmap_width = target_width;
440	int new_pmap_height = target_height;	499	int new_pmap_height = target_height;
…		…
442	int x = 0;	501	int x = 0;
443	int y = 0;	502	int y = 0;
444	int w = 0;	503	int w = 0;
445	int h = 0;	504	int h = 0;
446		505
447	if (original_asim)	506	get_image_geometry (image, w, h, x, y);
448	get_image_geometry (original_asim->width, original_asim->height, w, h, x, y);
449		507
450	if (!original_asim	508	if (!(image.flags & IM_ROOT_ALIGN)
451	|| (!(bg_flags & BG_ROOT_ALIGN)
452	&& (x >= target_width	509	&& (x >= target_width
453	|| y >= target_height	510	|| y >= target_height
454	|| (x + w <= 0)	511	|| x + w <= 0
455	|| (y + h <= 0))))	512	|| y + h <= 0))
456	{	513	return false;
457	if (background)
458	{
459	new_pmap_width = background->width;
460	new_pmap_height = background->height;
461	result = background;
462		514
463	if (background_tint != TINT_LEAVE_SAME)	515	result = pixbuf;
464	{	516
465	ASImage *tmp = tile_asimage (asv, background, 0, 0,	517	if (w != image_width
466	target_width, target_height, background_tint,	518	|| h != image_height)
467	ASA_XImage, 100, ASIMAGE_QUALITY_DEFAULT);
468	if (tmp)
469	result = tmp;
470	}
471	}
472	else
473	new_pmap_width = new_pmap_height = 0;
474	}	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);
475	else	539	else
476	{	540	{
477	result = original_asim;	541	if (image.flags & IM_TILE)
478
479	if ((w != original_asim->width)
480	|| (h != original_asim->height))
481	{
482	result = scale_asimage (asv, original_asim,
483	w, h,
484	background ? ASA_ASImage : ASA_XImage,
485	100, ASIMAGE_QUALITY_DEFAULT);
486	}	542	{
487		543	new_pmap_width = min (image_width, target_width);
488	if (background == NULL)	544	new_pmap_height = min (image_height, target_height);
489	{	545	}
490	if (bg_flags & BG_TILE)
491	{
492	/* if tiling - pixmap has to be sized exactly as the image,
493	but there is no need to make it bigger than the window! */
494	new_pmap_width = min (result->width, target_width);
495	new_pmap_height = min (result->height, target_height);
496		546
497	/* we also need to tile our image in both directions */
498	ASImage *tmp = tile_asimage (asv, result,
499	(int)result->width - x,
500	(int)result->height - y,
501	new_pmap_width,
502	new_pmap_height,
503	TINT_LEAVE_SAME, ASA_XImage,
504	100, ASIMAGE_QUALITY_DEFAULT);
505	if (tmp)
506	{
507	if (result != original_asim)
508	destroy_asimage (&result);
509
510	result = tmp;
511	}
512	}
513	}
514	else
515	{
516	/* if blending background and image - pixmap has to be sized same as target window */
517	ASImageLayer *layers = create_image_layers (2);
518
519	layers[0].im = background;
520	layers[0].clip_width = target_width;
521	layers[0].clip_height = target_height;
522	layers[0].tint = background_tint;
523	layers[1].im = result;
524
525	if (bg_flags & BG_TILE)
526	{
527	/* tile horizontally */
528	while (x > 0) x -= (int)result->width;
529	layers[1].dst_x = x;
530	layers[1].clip_width = result->width+target_width;
531	}
532	else
533	{
534	/* clip horizontally */
535	layers[1].dst_x = x;
536	layers[1].clip_width = result->width;
537	}
538
539	if (bg_flags & BG_TILE)
540	{
541	while (y > 0) y -= (int)result->height;
542	layers[1].dst_y = y;
543	layers[1].clip_height = result->height + target_height;
544	}
545	else
546	{
547	layers[1].dst_y = y;
548	layers[1].clip_height = result->height;
549	}
550
551	if (rs[Rs_blendtype])
552	{
553	layers[1].merge_scanlines = blend_scanlines_name2func (rs[Rs_blendtype]);
554	if (layers[1].merge_scanlines == NULL)
555	layers[1].merge_scanlines = alphablend_scanlines;
556	}
557
558	ASImage *tmp = merge_layers (asv, layers, 2, target_width, target_height,
559	ASA_XImage, 0, ASIMAGE_QUALITY_DEFAULT);
560
561	if (tmp)
562	{
563	if (result != original_asim)
564	destroy_asimage (&result);
565
566	result = tmp;
567	}
568
569	free (layers);
570	}
571	}
572
573	bool ret = false;
574
575	if (result)
576	{
577	XGCValues gcv;
578	GC gc;
579
580	/* create Pixmap */
581	if (bg_pixmap == None	547	if (bg_pixmap == None
582	|| bg_pmap_width != new_pmap_width	548	|| bg_pmap_width != new_pmap_width
583	|| bg_pmap_height != new_pmap_height)	549	|| bg_pmap_height != new_pmap_height)
584	{	550	{
585	if (bg_pixmap)	551	if (bg_pixmap)
586	XFreePixmap (dpy, bg_pixmap);	552	XFreePixmap (dpy, bg_pixmap);
587	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);
588	bg_pmap_width = new_pmap_width;	554	bg_pmap_width = new_pmap_width;
589	bg_pmap_height = new_pmap_height;	555	bg_pmap_height = new_pmap_height;
590	}	556	}
591	/* fill with background color (if result's not completely overlapping it) */
592	gcv.foreground = pix_colors[Color_bg];
593	gc = XCreateGC (dpy, vt, GCForeground, &gcv);
594		557
595	int src_x = 0, src_y = 0, dst_x = 0, dst_y = 0;
596	int dst_width = result->width, dst_height = result->height;
597	if (background == NULL)
598	{
599	if (!(bg_flags & BG_TILE))
600	{
601	src_x = make_clip_rectangle (x, result->width , new_pmap_width , dst_x, dst_width );
602	src_y = make_clip_rectangle (y, result->height, new_pmap_height, dst_y, dst_height);
603	}
604
605	if (dst_x > 0 || dst_y > 0
606	|| dst_x + dst_width < new_pmap_width
607	|| dst_y + dst_height < new_pmap_height)
608	XFillRectangle (dpy, bg_pixmap, gc, 0, 0, new_pmap_width, new_pmap_height);
609	}
610
611	/* put result on pixmap */
612	if (dst_x < new_pmap_width && dst_y < new_pmap_height)
613	asimage2drawable (asv, bg_pixmap, result, gc, src_x, src_y, dst_x, dst_y, dst_width, dst_height, True);
614
615	if (result != background && result != original_asim)
616	destroy_asimage (&result);
617
618	XFreeGC (dpy, gc);
619
620	ret = true;
621	}
622
623	if (background)
624	destroy_asimage (&background);
625
626	return ret;
627	}
628	# endif /* HAVE_AFTERIMAGE */
629
630	# ifdef HAVE_PIXBUF
631	bool
632	rxvt_term::pixbuf_to_pixmap (GdkPixbuf *pixbuf, Pixmap pixmap, GC gc,
633	int src_x, int src_y, int dst_x, int dst_y,
634	unsigned int width, unsigned int height)
635	{
636	XImage *ximage;
637	char *data, *line;
638	int bytes_per_pixel;
639	int width_r, width_g, width_b;
640	int sh_r, sh_g, sh_b;
641	int rowstride;
642	int channels;
643	unsigned char *row;
644
645	if (visual->c_class != TrueColor)
646	return false;
647
648	if (depth == 24 || depth == 32)
649	bytes_per_pixel = 4;
650	else if (depth == 15 || depth == 16)
651	bytes_per_pixel = 2;
652	else
653	return false;
654
655	width_r = ecb_popcount32 (visual->red_mask);
656	width_g = ecb_popcount32 (visual->green_mask);
657	width_b = ecb_popcount32 (visual->blue_mask);
658
659	if (width_r > 8 || width_g > 8 || width_b > 8)
660	return false;
661
662	sh_r = ecb_ctz32 (visual->red_mask);
663	sh_g = ecb_ctz32 (visual->green_mask);
664	sh_b = ecb_ctz32 (visual->blue_mask);
665
666	if (width > INT_MAX / height / bytes_per_pixel)
667	return false;
668
669	data = (char *)malloc (width * height * bytes_per_pixel);
670	if (!data)
671	return false;
672
673	ximage = XCreateImage (dpy, visual, depth, ZPixmap, 0, data,
674	width, height, bytes_per_pixel * 8, 0);
675	if (!ximage)
676	{
677	free (data);
678	return false;
679	}
680
681	ximage->byte_order = ecb_big_endian () ? MSBFirst : LSBFirst;
682
683	rowstride = gdk_pixbuf_get_rowstride (pixbuf);
684	channels = gdk_pixbuf_get_n_channels (pixbuf);
685	row = gdk_pixbuf_get_pixels (pixbuf) + src_y * rowstride + src_x * channels;
686	line = data;
687
688	for (int y = 0; y < height; y++)
689	{
690	for (int x = 0; x < width; x++)
691	{
692	unsigned char *pixel = row + x * channels;
693	uint32_t value;
694
695	value = ((pixel[0] >> (8 - width_r)) << sh_r)
696	| ((pixel[1] >> (8 - width_g)) << sh_g)
697	| ((pixel[2] >> (8 - width_b)) << sh_b);
698
699	if (bytes_per_pixel == 4)
700	((uint32_t *)line)[x] = value;
701	else
702	((uint16_t *)line)[x] = value;
703	}
704
705	row += rowstride;
706	line += ximage->bytes_per_line;
707	}
708
709	XPutImage (dpy, pixmap, gc, ximage, 0, 0, dst_x, dst_y, width, height);
710	XDestroyImage (ximage);
711	return true;
712	}
713
714	bool
715	rxvt_term::render_image (unsigned long tr_flags)
716	{
717	if (!pixbuf)
718	return false;
719
720	if (tr_flags
721	&& !(bg_flags & BG_HAS_RENDER))
722	return false;
723
724	GdkPixbuf *result;
725
726	int image_width = gdk_pixbuf_get_width (pixbuf);
727	int image_height = gdk_pixbuf_get_height (pixbuf);
728
729	int target_width = szHint.width;
730	int target_height = szHint.height;
731	int new_pmap_width = target_width;
732	int new_pmap_height = target_height;
733
734	int x = 0;
735	int y = 0;
736	int w = 0;
737	int h = 0;
738
739	get_image_geometry (image_width, image_height, w, h, x, y);
740
741	if (!(bg_flags & BG_ROOT_ALIGN)
742	&& (x >= target_width
743	|| y >= target_height
744	|| (x + w <= 0)
745	|| (y + h <= 0)))
746	return false;
747
748	result = pixbuf;
749
750	if ((w != image_width)
751	|| (h != image_height))
752	{
753	result = gdk_pixbuf_scale_simple (pixbuf,
754	w, h,
755	GDK_INTERP_BILINEAR);
756	}
757
758	if (!result)
759	return false;
760
761	bool ret = false;
762
763	XGCValues gcv;
764	GC gc;
765	Pixmap root_pmap;
766
767	image_width = gdk_pixbuf_get_width (result);
768	image_height = gdk_pixbuf_get_height (result);
769
770	if (tr_flags)
771	{
772	root_pmap = bg_pixmap;	558	tmp_pixmap = bg_pixmap;
773	bg_pixmap = None;
774	}
775	else
776	{
777	if (bg_flags & BG_TILE)
778	{
779	new_pmap_width = min (image_width, target_width);
780	new_pmap_height = min (image_height, target_height);
781	}
782	}
783
784	if (bg_pixmap == None
785	|| bg_pmap_width != new_pmap_width
786	|| bg_pmap_height != new_pmap_height)
787	{
788	if (bg_pixmap)
789	XFreePixmap (dpy, bg_pixmap);
790	bg_pixmap = XCreatePixmap (dpy, vt, new_pmap_width, new_pmap_height, depth);
791	bg_pmap_width = new_pmap_width;
792	bg_pmap_height = new_pmap_height;
793	}	559	}
794		560
795	gcv.foreground = pix_colors[Color_bg];	561	gcv.foreground = pix_colors[Color_bg];
796	gc = XCreateGC (dpy, vt, GCForeground, &gcv);	562	gc = XCreateGC (dpy, tmp_pixmap, GCForeground, &gcv);
797		563
798	if (gc)	564	if (gc)
799	{	565	{
800	if (bg_flags & BG_TILE)	566	if (image.flags & IM_TILE)
801	{	567	{
802	Pixmap tile = XCreatePixmap (dpy, vt, image_width, image_height, depth);	568	Pixmap tile = XCreatePixmap (dpy, vt, image_width, image_height, need_blend ? 32 : depth);
803	pixbuf_to_pixmap (result, tile, gc,	569	pixbuf_to_pixmap (result, tile, gc,
804	0, 0,	570	0, 0,
805	0, 0,	571	0, 0,
806	image_width, image_height);	572	image_width, image_height, need_blend);
807		573
808	gcv.tile = tile;	574	gcv.tile = tile;
809	gcv.fill_style = FillTiled;	575	gcv.fill_style = FillTiled;
810	gcv.ts_x_origin = x;	576	gcv.ts_x_origin = x;
811	gcv.ts_y_origin = y;	577	gcv.ts_y_origin = y;
812	XChangeGC (dpy, gc, GCFillStyle | GCTile | GCTileStipXOrigin | GCTileStipYOrigin, &gcv);	578	XChangeGC (dpy, gc, GCFillStyle | GCTile | GCTileStipXOrigin | GCTileStipYOrigin, &gcv);
813		579
814	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);
815	XFreePixmap (dpy, tile);	581	XFreePixmap (dpy, tile);
816	}	582	}
817	else	583	else
818	{	584	{
819	int src_x, src_y, dst_x, dst_y;	585	int src_x, src_y, dst_x, dst_y;
…		…
823	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);
824		590
825	if (dst_x > 0 || dst_y > 0	591	if (dst_x > 0 || dst_y > 0
826	|| dst_x + dst_width < new_pmap_width	592	|| dst_x + dst_width < new_pmap_width
827	|| dst_y + dst_height < new_pmap_height)	593	|| dst_y + dst_height < new_pmap_height)
828	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);
829		595
830	if (dst_x < new_pmap_width && dst_y < new_pmap_height)	596	if (dst_x < new_pmap_width && dst_y < new_pmap_height)
831	pixbuf_to_pixmap (result, bg_pixmap, gc,	597	pixbuf_to_pixmap (result, tmp_pixmap, gc,
832	src_x, src_y,	598	src_x, src_y,
833	dst_x, dst_y,	599	dst_x, dst_y,
834	dst_width, dst_height);	600	dst_width, dst_height, need_blend);
835	}	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);
836		607
837	#if XRENDER	608	#if XRENDER
838	if (tr_flags)	609	if (need_blend)
839	{	610	{
840	XRenderPictureAttributes pa;	611	XRenderPictFormat *argb_format = XRenderFindStandardFormat (dpy, PictStandardARGB32);
841
842	XRenderPictFormat *src_format = XRenderFindVisualFormat (dpy, visual);	612	XRenderPictFormat *format = XRenderFindVisualFormat (dpy, visual);
		613
843	Picture src = XRenderCreatePicture (dpy, root_pmap, src_format, 0, &pa);	614	Picture src = XRenderCreatePicture (dpy, tmp_pixmap, argb_format, 0, 0);
844		615
845	XRenderPictFormat *dst_format = XRenderFindVisualFormat (dpy, visual);
846	Picture dst = XRenderCreatePicture (dpy, bg_pixmap, dst_format, 0, &pa);	616	Picture dst = XRenderCreatePicture (dpy, bg_pixmap, format, 0, 0);
847		617
848	pa.repeat = True;	618	Picture mask = create_xrender_mask (dpy, vt, False, False);
849	Pixmap mask_pmap = XCreatePixmap (dpy, vt, 1, 1, 8);
850	XRenderPictFormat *mask_format = XRenderFindStandardFormat (dpy, PictStandardA8);
851	Picture mask = XRenderCreatePicture (dpy, mask_pmap, mask_format, CPRepeat, &pa);
852	XFreePixmap (dpy, mask_pmap);
853		619
854	XRenderColor mask_c;	620	XRenderColor mask_c;
855		621
856	mask_c.alpha = 0x8000;	622	mask_c.alpha = image.alpha;
857	mask_c.red = 0;	623	mask_c.red =
858	mask_c.green = 0;	624	mask_c.green =
859	mask_c.blue = 0;	625	mask_c.blue = 0;
860	XRenderFillRectangle (dpy, PictOpSrc, mask, &mask_c, 0, 0, 1, 1);	626	XRenderFillRectangle (dpy, PictOpSrc, mask, &mask_c, 0, 0, 1, 1);
		627
861	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);
862		629
863	XRenderFreePicture (dpy, src);	630	XRenderFreePicture (dpy, src);
864	XRenderFreePicture (dpy, dst);	631	XRenderFreePicture (dpy, dst);
865	XRenderFreePicture (dpy, mask);	632	XRenderFreePicture (dpy, mask);
…		…
872	}	639	}
873		640
874	if (result != pixbuf)	641	if (result != pixbuf)
875	g_object_unref (result);	642	g_object_unref (result);
876		643
877	if (tr_flags)	644	if (need_blend)
878	XFreePixmap (dpy, root_pmap);	645	XFreePixmap (dpy, tmp_pixmap);
879		646
880	return ret;	647	return ret;
881	}	648	}
882	# endif /* HAVE_PIXBUF */	649	# endif /* HAVE_PIXBUF */
883		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
884	bool	665	bool
885	rxvt_term::bg_set_file (const char *file)	666	rxvt_image::set_file_geometry (const char *file)
886	{	667	{
887	if (!file || !*file)	668	if (!file || !*file)
888	return false;	669	return false;
889		670
890	if (const char *p = strchr (file, ';'))	671	const char *p = strchr (file, ';');
		672
		673	if (p)
891	{	674	{
892	size_t len = p - file;	675	size_t len = p - file;
893	char *f = rxvt_temp_buf<char> (len + 1);	676	char *f = rxvt_temp_buf<char> (len + 1);
894	memcpy (f, file, len);	677	memcpy (f, file, len);
895	f[len] = '\0';	678	f[len] = '\0';
896	file = f;	679	file = f;
897	}	680	}
898		681
899	# ifdef HAVE_AFTERIMAGE	682	bool ret = set_file (file);
900	if (!asimman)	683	alpha = 0x8000;
901	asimman = create_generic_imageman (rs[Rs_path]);	684	if (ret)
902	ASImage *image = get_asimage (asimman, file, 0xFFFFFFFF, 100);	685	set_geometry (p ? p + 1 : "");
903	if (image)	686	return ret;
904	{	687	}
905	if (original_asim)
906	safe_asimage_destroy (original_asim);
907	original_asim = image;
908	bg_flags |= BG_IS_FROM_FILE | BG_CLIENT_RENDER;
909	return true;
910	}
911	# endif
912		688
		689	bool
		690	rxvt_image::set_file (const char *file)
		691	{
		692	bool ret = false;
		693
913	# ifdef HAVE_PIXBUF	694	# if HAVE_PIXBUF
914	GdkPixbuf *image = gdk_pixbuf_new_from_file (file, NULL);	695	GdkPixbuf *image = gdk_pixbuf_new_from_file (file, NULL);
915	if (image)	696	if (image)
916	{	697	{
917	if (pixbuf)	698	if (pixbuf)
918	g_object_unref (pixbuf);	699	g_object_unref (pixbuf);
919	pixbuf = image;	700	pixbuf = image;
920	bg_flags |= BG_IS_FROM_FILE;
921	return true;	701	ret = true;
922	}	702	}
923	# endif	703	# endif
924		704
		705	if (ret)
		706	flags |= IM_IS_SET;
		707
925	return false;	708	return ret;
926	}	709	}
927		710
928	# endif /* BG_IMAGE_FROM_FILE */	711	# endif /* BG_IMAGE_FROM_FILE */
929		712
930	# ifdef ENABLE_TRANSPARENCY
931	bool	713	bool
932	rxvt_term::bg_set_transparent ()	714	image_effects::set_blur (const char *geom)
933	{
934	if (!(bg_flags & BG_IS_TRANSPARENT))
935	{
936	bg_flags |= BG_IS_TRANSPARENT;
937	return true;
938	}
939
940	return false;
941	}
942
943	bool
944	rxvt_term::bg_set_blur (const char *geom)
945	{	715	{
946	bool changed = false;	716	bool changed = false;
947	unsigned int hr, vr;	717	unsigned int hr, vr;
948	int junk;	718	int junk;
949	int geom_flags = XParseGeometry (geom, &junk, &junk, &hr, &vr);	719	int geom_flags = XParseGeometry (geom, &junk, &junk, &hr, &vr);
…		…
966	{	736	{
967	changed = true;	737	changed = true;
968	v_blurRadius = vr;	738	v_blurRadius = vr;
969	}	739	}
970		740
971	if (v_blurRadius == 0 && h_blurRadius == 0)
972	bg_flags &= ~BG_NEEDS_BLUR;
973	else
974	bg_flags |= BG_NEEDS_BLUR;
975
976	return changed;	741	return changed;
977	}	742	}
978		743
979	void
980	rxvt_term::set_tint_shade_flags ()
981	{
982	rgba c (rgba::MAX_CC,rgba::MAX_CC,rgba::MAX_CC);
983	bool has_shade = shade != 100;
984
985	bg_flags &= ~BG_TINT_FLAGS;
986
987	if (bg_flags & BG_TINT_SET)
988	{
989	tint.get (c);
990	if (!has_shade
991	&& (c.r <= 0x00ff || c.r >= 0xff00)
992	&& (c.g <= 0x00ff || c.g >= 0xff00)
993	&& (c.b <= 0x00ff || c.b >= 0xff00))
994	bg_flags |= BG_TINT_BITAND;
995	}
996
997	if (has_shade || (bg_flags & BG_TINT_SET))
998	bg_flags |= BG_NEEDS_TINT;
999	}
1000
1001	bool	744	bool
1002	rxvt_term::bg_set_tint (rxvt_color &new_tint)	745	image_effects::set_tint (const rxvt_color &new_tint)
1003	{	746	{
1004	if (!(bg_flags & BG_TINT_SET) || tint != new_tint)	747	if (!tint_set || tint != new_tint)
1005	{	748	{
1006	tint = new_tint;	749	tint = new_tint;
1007	bg_flags |= BG_TINT_SET;	750	tint_set = true;
1008	set_tint_shade_flags ();	751
1009	return true;	752	return true;
1010	}	753	}
1011		754
1012	return false;	755	return false;
1013	}	756	}
1014		757
1015	bool	758	bool
1016	rxvt_term::bg_set_shade (const char *shade_str)	759	image_effects::set_shade (const char *shade_str)
1017	{	760	{
1018	int new_shade = (shade_str) ? atoi (shade_str) : 100;	761	int new_shade = atoi (shade_str);
1019		762
1020	clamp_it (new_shade, -100, 200);	763	clamp_it (new_shade, -100, 200);
1021	if (new_shade < 0)	764	if (new_shade < 0)
1022	new_shade = 200 - (100 + new_shade);	765	new_shade = 200 - (100 + new_shade);
1023		766
1024	if (new_shade != shade)	767	if (new_shade != shade)
1025	{	768	{
1026	shade = new_shade;	769	shade = new_shade;
1027	set_tint_shade_flags ();
1028	return true;	770	return true;
1029	}	771	}
1030		772
1031	return false;	773	return false;
1032	}	774	}
…		…
1053	params[i+2] = XDoubleToFixed (kernel[i] / sum);	795	params[i+2] = XDoubleToFixed (kernel[i] / sum);
1054	}	796	}
1055	#endif	797	#endif
1056		798
1057	bool	799	bool
1058	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)
1059	{	801	{
1060	bool ret = false;	802	bool ret = false;
1061	#if XRENDER	803	#if XRENDER
		804	if (!(display->flags & DISPLAY_HAS_RENDER_CONV))
		805	return false;
		806
1062	int size = max (h_blurRadius, v_blurRadius) * 2 + 1;	807	int size = max (h_blurRadius, v_blurRadius) * 2 + 1;
1063	double *kernel = (double *)malloc (size * sizeof (double));	808	double *kernel = (double *)malloc (size * sizeof (double));
1064	XFixed *params = (XFixed *)malloc ((size + 2) * sizeof (XFixed));	809	XFixed *params = (XFixed *)malloc ((size + 2) * sizeof (XFixed));
1065		810
1066	XRenderPictureAttributes pa;	811	XRenderPictureAttributes pa;
1067	XRenderPictFormat *format = XRenderFindVisualFormat (dpy, visual);	812	XRenderPictFormat *format = argb ? XRenderFindStandardFormat (dpy, PictStandardARGB32)
		813	: XRenderFindVisualFormat (dpy, visual);
1068		814
		815	pa.repeat = RepeatPad;
1069	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);
1070	Picture dst = XRenderCreatePicture (dpy, pixmap, format, 0, &pa);	818	Picture dst = XRenderCreatePicture (dpy, tmp, format, CPRepeat, &pa);
		819	XFreePixmap (dpy, tmp);
1071		820
1072	if (kernel && params)	821	if (kernel && params)
1073	{	822	{
1074	if (h_blurRadius)
1075	{
1076	size = h_blurRadius * 2 + 1;	823	size = h_blurRadius * 2 + 1;
1077	get_gaussian_kernel (h_blurRadius, size, kernel, params);	824	get_gaussian_kernel (h_blurRadius, size, kernel, params);
1078		825
1079	XRenderSetPictureFilter (dpy, src, FilterConvolution, params, size+2);	826	XRenderSetPictureFilter (dpy, src, FilterConvolution, params, size+2);
1080	XRenderComposite (dpy,	827	XRenderComposite (dpy,
1081	PictOpSrc,	828	PictOpSrc,
1082	src,	829	src,
1083	None,	830	None,
1084	dst,	831	dst,
1085	0, 0,	832	0, 0,
1086	0, 0,	833	0, 0,
1087	0, 0,	834	0, 0,
1088	width, height);	835	width, height);
1089	}
1090		836
1091	if (v_blurRadius)	837	::swap (src, dst);
1092	{	838
1093	size = v_blurRadius * 2 + 1;	839	size = v_blurRadius * 2 + 1;
1094	get_gaussian_kernel (v_blurRadius, size, kernel, params);	840	get_gaussian_kernel (v_blurRadius, size, kernel, params);
1095	::swap (params[0], params[1]);	841	::swap (params[0], params[1]);
1096		842
1097	XRenderSetPictureFilter (dpy, src, FilterConvolution, params, size+2);	843	XRenderSetPictureFilter (dpy, src, FilterConvolution, params, size+2);
1098	XRenderComposite (dpy,	844	XRenderComposite (dpy,
1099	PictOpSrc,	845	PictOpSrc,
1100	src,	846	src,
1101	None,	847	None,
1102	dst,	848	dst,
1103	0, 0,	849	0, 0,
1104	0, 0,	850	0, 0,
1105	0, 0,	851	0, 0,
1106	width, height);	852	width, height);
1107	}
1108		853
1109	ret = true;	854	ret = true;
1110	}	855	}
1111		856
1112	free (kernel);	857	free (kernel);
…		…
1116	#endif	861	#endif
1117	return ret;	862	return ret;
1118	}	863	}
1119		864
1120	bool	865	bool
1121	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)
1122	{	867	{
1123	bool ret = false;	868	bool ret = false;
1124		869
1125	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))
1126	{	879	{
1127	XGCValues gcv;	880	XGCValues gcv;
1128	GC gc;	881	GC gc;
1129		882
1130	/* In this case we can tint image server-side getting significant	883	/* In this case we can tint image server-side getting significant
…		…
1139	XFillRectangle (dpy, pixmap, gc, 0, 0, width, height);	892	XFillRectangle (dpy, pixmap, gc, 0, 0, width, height);
1140	ret = true;	893	ret = true;
1141	XFreeGC (dpy, gc);	894	XFreeGC (dpy, gc);
1142	}	895	}
1143	}	896	}
1144	else
1145	{
1146	# if XRENDER	897	# if XRENDER
1147	rgba c (rgba::MAX_CC, rgba::MAX_CC, rgba::MAX_CC);	898	else if (display->flags & DISPLAY_HAS_RENDER)
1148		899	{
1149	if (bg_flags & BG_TINT_SET)
1150	tint.get (c);
1151
1152	if (shade <= 100)	900	if (shade <= 100)
1153	{	901	{
1154	c.r = c.r * shade / 100;	902	c.r = c.r * shade / 100;
1155	c.g = c.g * shade / 100;	903	c.g = c.g * shade / 100;
1156	c.b = c.b * shade / 100;	904	c.b = c.b * shade / 100;
…		…
1160	c.r = c.r * (200 - shade) / 100;	908	c.r = c.r * (200 - shade) / 100;
1161	c.g = c.g * (200 - shade) / 100;	909	c.g = c.g * (200 - shade) / 100;
1162	c.b = c.b * (200 - shade) / 100;	910	c.b = c.b * (200 - shade) / 100;
1163	}	911	}
1164		912
1165	XRenderPictFormat *solid_format = XRenderFindStandardFormat (dpy, PictStandardARGB32);	913	XRenderPictFormat *format = argb ? XRenderFindStandardFormat (dpy, PictStandardARGB32)
1166	XRenderPictFormat *format = XRenderFindVisualFormat (dpy, visual);	914	: XRenderFindVisualFormat (dpy, visual);
1167	XRenderPictureAttributes pa;
1168		915
1169	Picture back_pic = XRenderCreatePicture (dpy, pixmap, format, 0, &pa);	916	Picture back_pic = XRenderCreatePicture (dpy, pixmap, format, 0, 0);
1170		917
1171	pa.repeat = True;	918	Picture overlay_pic = create_xrender_mask (dpy, pixmap, True, False);
1172		919
1173	Pixmap overlay_pmap = XCreatePixmap (dpy, pixmap, 1, 1, 32);	920	Picture mask_pic = create_xrender_mask (dpy, pixmap, True, True);
1174	Picture overlay_pic = XRenderCreatePicture (dpy, overlay_pmap, solid_format, CPRepeat, &pa);
1175	XFreePixmap (dpy, overlay_pmap);
1176
1177	pa.component_alpha = True;
1178	Pixmap mask_pmap = XCreatePixmap (dpy, pixmap, 1, 1, 32);
1179	Picture mask_pic = XRenderCreatePicture (dpy, mask_pmap, solid_format, CPRepeat | CPComponentAlpha, &pa);
1180	XFreePixmap (dpy, mask_pmap);
1181		921
1182	XRenderColor mask_c;	922	XRenderColor mask_c;
1183		923
1184	mask_c.alpha = 0xffff;	924	mask_c.alpha = 0xffff;
1185	mask_c.red =	925	mask_c.red =
…		…
1190	mask_c.alpha = 0;	930	mask_c.alpha = 0;
1191	mask_c.red = 0xffff - c.r;	931	mask_c.red = 0xffff - c.r;
1192	mask_c.green = 0xffff - c.g;	932	mask_c.green = 0xffff - c.g;
1193	mask_c.blue = 0xffff - c.b;	933	mask_c.blue = 0xffff - c.b;
1194	XRenderFillRectangle (dpy, PictOpSrc, mask_pic, &mask_c, 0, 0, 1, 1);	934	XRenderFillRectangle (dpy, PictOpSrc, mask_pic, &mask_c, 0, 0, 1, 1);
		935
1195	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);
1196		937
1197	if (shade > 100)	938	if (shade > 100)
1198	{	939	{
1199	mask_c.red = mask_c.green = mask_c.blue = 0xffff * (shade - 100) / 100;
1200	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;
1201	XRenderFillRectangle (dpy, PictOpSrc, overlay_pic, &mask_c, 0, 0, 1, 1);	944	XRenderFillRectangle (dpy, PictOpSrc, overlay_pic, &mask_c, 0, 0, 1, 1);
1202		945
1203	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);
1204	}	947	}
1205		948
1206	ret = true;	949	ret = true;
1207		950
1208	XRenderFreePicture (dpy, mask_pic);	951	XRenderFreePicture (dpy, mask_pic);
1209	XRenderFreePicture (dpy, overlay_pic);	952	XRenderFreePicture (dpy, overlay_pic);
1210	XRenderFreePicture (dpy, back_pic);	953	XRenderFreePicture (dpy, back_pic);
		954	}
1211	# endif	955	# endif
1212	}
1213		956
1214	return ret;	957	return ret;
1215	}	958	}
1216		959
		960	# if ENABLE_TRANSPARENCY
1217	/*	961	/*
1218	* 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
1219	* 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
1220	* our window.	964	* our window.
1221	*/	965	*/
1222	unsigned long	966	bool
1223	rxvt_term::make_transparency_pixmap ()	967	rxvt_term::render_root_image ()
1224	{	968	{
1225	unsigned long result = 0;	969	bool ret = false;
1226		970
1227	/* 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
1228	* be always up-to-date, so let's use it :	972	* be always up-to-date, so let's use it :
1229	*/	973	*/
1230	int screen = display->screen;	974	int screen = display->screen;
…		…
1264	Pixmap recoded_root_pmap = root_pixmap;	1008	Pixmap recoded_root_pmap = root_pixmap;
1265		1009
1266	if (root_pixmap != None && root_depth != depth)	1010	if (root_pixmap != None && root_depth != depth)
1267	{	1011	{
1268	#if XRENDER	1012	#if XRENDER
1269	if (bg_flags & BG_HAS_RENDER)	1013	if (display->flags & DISPLAY_HAS_RENDER)
1270	{	1014	{
1271	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);
1272		1016
1273	XRenderPictureAttributes pa;
1274
1275	XRenderPictFormat *src_format = XRenderFindVisualFormat (dpy, DefaultVisual (dpy, screen));	1017	XRenderPictFormat *src_format = XRenderFindVisualFormat (dpy, DefaultVisual (dpy, screen));
1276	Picture src = XRenderCreatePicture (dpy, root_pixmap, src_format, 0, &pa);	1018	Picture src = XRenderCreatePicture (dpy, root_pixmap, src_format, 0, 0);
1277		1019
1278	XRenderPictFormat *dst_format = XRenderFindVisualFormat (dpy, visual);	1020	XRenderPictFormat *dst_format = XRenderFindVisualFormat (dpy, visual);
1279	Picture dst = XRenderCreatePicture (dpy, recoded_root_pmap, dst_format, 0, &pa);	1021	Picture dst = XRenderCreatePicture (dpy, recoded_root_pmap, dst_format, 0, 0);
1280		1022
1281	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);
1282		1024
1283	XRenderFreePicture (dpy, src);	1025	XRenderFreePicture (dpy, src);
1284	XRenderFreePicture (dpy, dst);	1026	XRenderFreePicture (dpy, dst);
…		…
1301	bg_pmap_width = window_width;	1043	bg_pmap_width = window_width;
1302	bg_pmap_height = window_height;	1044	bg_pmap_height = window_height;
1303	}	1045	}
1304		1046
1305	/* straightforward pixmap copy */	1047	/* straightforward pixmap copy */
1306	while (sx < 0) sx += root_width;	1048	while (sx < 0) sx += root_pmap_width;
1307	while (sy < 0) sy += root_height;	1049	while (sy < 0) sy += root_pmap_height;
1308		1050
1309	gcv.tile = recoded_root_pmap;	1051	gcv.tile = recoded_root_pmap;
1310	gcv.fill_style = FillTiled;	1052	gcv.fill_style = FillTiled;
1311	gcv.ts_x_origin = -sx;	1053	gcv.ts_x_origin = -sx;
1312	gcv.ts_y_origin = -sy;	1054	gcv.ts_y_origin = -sy;
1313	gc = XCreateGC (dpy, vt, GCFillStyle | GCTile | GCTileStipXOrigin | GCTileStipYOrigin, &gcv);	1055	gc = XCreateGC (dpy, vt, GCFillStyle | GCTile | GCTileStipXOrigin | GCTileStipYOrigin, &gcv);
1314		1056
1315	if (gc)	1057	if (gc)
1316	{	1058	{
1317	XFillRectangle (dpy, bg_pixmap, gc, 0, 0, window_width, window_height);	1059	XFillRectangle (dpy, bg_pixmap, gc, 0, 0, window_width, window_height);
1318	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
1319	XFreeGC (dpy, gc);	1089	XFreeGC (dpy, gc);
1320
1321	if (!(bg_flags & BG_CLIENT_RENDER))
1322	{
1323	if ((bg_flags & BG_NEEDS_BLUR)
1324	&& (bg_flags & BG_HAS_RENDER_CONV))
1325	{
1326	if (blur_pixmap (bg_pixmap, visual, window_width, window_height))
1327	result &= ~BG_NEEDS_BLUR;
1328	}
1329	if ((bg_flags & BG_NEEDS_TINT)
1330	&& (bg_flags & (BG_TINT_BITAND | BG_HAS_RENDER)))
1331	{
1332	if (tint_pixmap (bg_pixmap, visual, window_width, window_height))
1333	result &= ~BG_NEEDS_TINT;
1334	}
1335	} /* server side rendering completed */
1336	}	1090	}
1337		1091
1338	if (recoded_root_pmap != root_pixmap)	1092	if (recoded_root_pmap != root_pixmap)
1339	XFreePixmap (dpy, recoded_root_pmap);	1093	XFreePixmap (dpy, recoded_root_pmap);
1340		1094
1341	return result;	1095	return ret;
1342	}	1096	}
1343		1097
1344	void	1098	void
1345	rxvt_term::bg_set_root_pixmap ()	1099	rxvt_term::bg_set_root_pixmap ()
1346	{	1100	{
1347	Pixmap new_root_pixmap = get_pixmap_property (xa[XA_XROOTPMAP_ID]);	1101	Pixmap new_root_pixmap = display->get_pixmap_property (xa[XA_XROOTPMAP_ID]);
1348	if (new_root_pixmap == None)	1102	if (new_root_pixmap == None)
1349	new_root_pixmap = get_pixmap_property (xa[XA_ESETROOT_PMAP_ID]);	1103	new_root_pixmap = display->get_pixmap_property (xa[XA_ESETROOT_PMAP_ID]);
1350		1104
1351	root_pixmap = new_root_pixmap;	1105	root_pixmap = new_root_pixmap;
1352	}	1106	}
1353	# endif /* ENABLE_TRANSPARENCY */	1107	# endif /* ENABLE_TRANSPARENCY */
1354		1108
1355	#if defined(ENABLE_TRANSPARENCY) && !defined(HAVE_AFTERIMAGE)	1109	void
1356	static void shade_ximage (Visual *visual, XImage *ximage, int shade, const rgba &c);	1110	rxvt_term::bg_render ()
		1111	{
		1112	if (bg_flags & BG_INHIBIT_RENDER)
		1113	return;
		1114
		1115	bg_invalidate ();
		1116	# if ENABLE_TRANSPARENCY
		1117	if (bg_flags & BG_IS_TRANSPARENT)
		1118	{
		1119	/* we need to re-generate transparency pixmap in that case ! */
		1120	if (render_root_image ())
		1121	bg_flags |= BG_IS_VALID;
		1122	}
1357	# endif	1123	# endif
1358		1124
1359	bool	1125	# if BG_IMAGE_FROM_FILE
1360	rxvt_term::bg_render ()	1126	if (fimage.flags & IM_IS_SET)
1361	{
1362	unsigned long tr_flags = 0;
1363
1364	bg_invalidate ();
1365	# ifdef ENABLE_TRANSPARENCY
1366	if (bg_flags & BG_IS_TRANSPARENT)
1367	{	1127	{
1368	/* we need to re-generate transparency pixmap in that case ! */	1128	if (render_image (fimage))
1369	tr_flags = make_transparency_pixmap ();
1370	if (tr_flags == 0)
1371	return false;
1372	else if (!(tr_flags & BG_EFFECTS_FLAGS))
1373	bg_flags |= BG_IS_VALID;	1129	bg_flags |= BG_IS_VALID;
1374	}
1375	# endif
1376
1377	# ifdef BG_IMAGE_FROM_FILE
1378	if ((bg_flags & BG_IS_FROM_FILE)
1379	|| (tr_flags & BG_EFFECTS_FLAGS))
1380	{
1381	if (render_image (tr_flags))
1382	bg_flags |= BG_IS_VALID;
1383	}
1384	# endif
1385
1386	# if defined(ENABLE_TRANSPARENCY) && !defined(HAVE_AFTERIMAGE)
1387	XImage *result = NULL;
1388
1389	if (tr_flags && !(bg_flags & BG_IS_VALID))
1390	{
1391	result = XGetImage (dpy, bg_pixmap, 0, 0, bg_pmap_width, bg_pmap_height, AllPlanes, ZPixmap);
1392	}
1393
1394	if (result)
1395	{
1396	/* our own client-side tinting */
1397	if (tr_flags & BG_NEEDS_TINT)
1398	{
1399	rgba c (rgba::MAX_CC,rgba::MAX_CC,rgba::MAX_CC);
1400	if (bg_flags & BG_TINT_SET)
1401	tint.get (c);
1402	shade_ximage (DefaultVisual (dpy, display->screen), result, shade, c);
1403	}
1404
1405	GC gc = XCreateGC (dpy, vt, 0UL, NULL);
1406
1407	if (gc)
1408	{
1409	XPutImage (dpy, bg_pixmap, gc, result, 0, 0, 0, 0, result->width, result->height);
1410
1411	XFreeGC (dpy, gc);
1412	bg_flags |= BG_IS_VALID;
1413	}
1414
1415	XDestroyImage (result);
1416	}	1130	}
1417	# endif	1131	# endif
1418		1132
1419	if (!(bg_flags & BG_IS_VALID))	1133	if (!(bg_flags & BG_IS_VALID))
1420	{	1134	{
…		…
1427		1141
1428	scr_recolour (false);	1142	scr_recolour (false);
1429	bg_flags |= BG_NEEDS_REFRESH;	1143	bg_flags |= BG_NEEDS_REFRESH;
1430		1144
1431	bg_valid_since = ev::now ();	1145	bg_valid_since = ev::now ();
1432
1433	return true;
1434	}	1146	}
1435		1147
1436	void	1148	void
1437	rxvt_term::bg_init ()	1149	rxvt_term::bg_init ()
1438	{	1150	{
1439	#ifdef ENABLE_TRANSPARENCY	1151	#if BG_IMAGE_FROM_FILE
1440	shade = 100;	1152	if (rs[Rs_backgroundPixmap])
		1153	{
		1154	if (fimage.set_file_geometry (rs[Rs_backgroundPixmap])
		1155	&& !bg_window_position_sensitive ())
		1156	update_background ();
		1157	}
1441	#endif	1158	#endif
1442
1443	bg_flags &= ~(BG_HAS_RENDER | BG_HAS_RENDER_CONV);
1444	#if XRENDER
1445	int major, minor;
1446	if (XRenderQueryVersion (dpy, &major, &minor))
1447	bg_flags |= BG_HAS_RENDER;
1448	XFilters *filters = XRenderQueryFilters (dpy, vt);
1449	if (filters)
1450	{
1451	for (int i = 0; i < filters->nfilter; i++)
1452	if (!strcmp (filters->filter[i], FilterConvolution))
1453	bg_flags |= BG_HAS_RENDER_CONV;
1454
1455	XFree (filters);
1456	}
1457	#endif
1458	}	1159	}
1459		1160
1460	#endif /* HAVE_BG_PIXMAP */
1461
1462	#if defined(ENABLE_TRANSPARENCY) && !defined(HAVE_AFTERIMAGE)
1463	/* taken from aterm-0.4.2 */	1161	/* based on code from aterm-0.4.2 */
1464		1162
1465	static void	1163	static inline void
1466	shade_ximage (Visual *visual, XImage *ximage, int shade, const rgba &c)	1164	fill_lut (uint32_t *lookup, uint32_t mask, int sh, unsigned short low, unsigned short high)
1467	{	1165	{
		1166	for (int i = 0; i <= mask >> sh; i++)
		1167	{
		1168	uint32_t tmp;
		1169	tmp = i * high;
		1170	tmp += (mask >> sh) * low;
		1171	lookup[i] = (tmp / 0xffff) << sh;
		1172	}
		1173	}
		1174
		1175	void
		1176	rxvt_term::tint_ximage (XImage *ximage, rxvt_color &tint, bool tint_set, int shade)
		1177	{
		1178	unsigned int size_r, size_g, size_b;
1468	int sh_r, sh_g, sh_b;	1179	int sh_r, sh_g, sh_b;
1469	uint32_t mask_r, mask_g, mask_b;	1180	uint32_t mask_r, mask_g, mask_b;
1470	uint32_t *lookup, *lookup_r, *lookup_g, *lookup_b;	1181	uint32_t *lookup, *lookup_r, *lookup_g, *lookup_b;
1471	rgba low;	1182	unsigned short low;
1472	rgba high;
1473	int i;
1474	int host_byte_order = ecb_big_endian () ? MSBFirst : LSBFirst;	1183	int host_byte_order = ecb_big_endian () ? MSBFirst : LSBFirst;
1475		1184
1476	if (visual->c_class != TrueColor || ximage->format != ZPixmap) return;	1185	if (visual->c_class != TrueColor || ximage->format != ZPixmap) return;
1477		1186
1478	/* for convenience */	1187	/* for convenience */
1479	mask_r = visual->red_mask;	1188	mask_r = visual->red_mask;
1480	mask_g = visual->green_mask;	1189	mask_g = visual->green_mask;
1481	mask_b = visual->blue_mask;	1190	mask_b = visual->blue_mask;
1482		1191
1483	/* boring lookup table pre-initialization */	1192	/* boring lookup table pre-initialization */
1484	switch (ximage->depth)	1193	sh_r = ecb_ctz32 (mask_r);
1485	{	1194	sh_g = ecb_ctz32 (mask_g);
1486	case 15:	1195	sh_b = ecb_ctz32 (mask_b);
1487	if ((mask_r != 0x7c00) ||	1196
1488	(mask_g != 0x03e0) ||	1197	size_r = mask_r >> sh_r;
1489	(mask_b != 0x001f))	1198	size_g = mask_g >> sh_g;
		1199	size_b = mask_b >> sh_b;
		1200
		1201	if (size_r++ > 255 || size_g++ > 255 || size_b++ > 255)
1490	return;	1202	return;
1491	lookup = (uint32_t *) malloc (sizeof (uint32_t)*(32+32+32));	1203
		1204	lookup = (uint32_t *)malloc (sizeof (uint32_t) * (size_r + size_g + size_b));
1492	lookup_r = lookup;	1205	lookup_r = lookup;
1493	lookup_g = lookup+32;	1206	lookup_g = lookup + size_r;
1494	lookup_b = lookup+32+32;	1207	lookup_b = lookup + size_r + size_g;
1495	sh_r = 10;	1208
1496	sh_g = 5;	1209	rgba c (rgba::MAX_CC, rgba::MAX_CC, rgba::MAX_CC);
1497	sh_b = 0;	1210
1498	break;	1211	if (tint_set)
1499	case 16:	1212	tint.get (c);
1500	if ((mask_r != 0xf800) ||
1501	(mask_g != 0x07e0) ||
1502	(mask_b != 0x001f))
1503	return;
1504	lookup = (uint32_t *) malloc (sizeof (uint32_t)*(32+64+32));
1505	lookup_r = lookup;
1506	lookup_g = lookup+32;
1507	lookup_b = lookup+32+64;
1508	sh_r = 11;
1509	sh_g = 5;
1510	sh_b = 0;
1511	break;
1512	case 24:
1513	if ((mask_r != 0xff0000) ||
1514	(mask_g != 0x00ff00) ||
1515	(mask_b != 0x0000ff))
1516	return;
1517	lookup = (uint32_t *) malloc (sizeof (uint32_t)*(256+256+256));
1518	lookup_r = lookup;
1519	lookup_g = lookup+256;
1520	lookup_b = lookup+256+256;
1521	sh_r = 16;
1522	sh_g = 8;
1523	sh_b = 0;
1524	break;
1525	case 32:
1526	if ((mask_r != 0xff0000) ||
1527	(mask_g != 0x00ff00) ||
1528	(mask_b != 0x0000ff))
1529	return;
1530	lookup = (uint32_t *) malloc (sizeof (uint32_t)*(256+256+256));
1531	lookup_r = lookup;
1532	lookup_g = lookup+256;
1533	lookup_b = lookup+256+256;
1534	sh_r = 16;
1535	sh_g = 8;
1536	sh_b = 0;
1537	break;
1538	default:
1539	return; /* we do not support this color depth */
1540	}
1541		1213
1542	/* prepare limits for color transformation (each channel is handled separately) */	1214	/* prepare limits for color transformation (each channel is handled separately) */
1543	if (shade > 100)	1215	if (shade > 100)
1544	{	1216	{
1545	shade = 200 - shade;
1546
1547	high.r = c.r * shade / 100;
1548	high.g = c.g * shade / 100;
1549	high.b = c.b * shade / 100;
1550
1551	low.r = 65535 * (100 - shade) / 100;	1217	c.r = c.r * (200 - shade) / 100;
1552	low.g = 65535 * (100 - shade) / 100;	1218	c.g = c.g * (200 - shade) / 100;
1553	low.b = 65535 * (100 - shade) / 100;	1219	c.b = c.b * (200 - shade) / 100;
		1220
		1221	low = 0xffff * (shade - 100) / 100;
1554	}	1222	}
1555	else	1223	else
1556	{	1224	{
1557	high.r = c.r * shade / 100;	1225	c.r = c.r * shade / 100;
1558	high.g = c.g * shade / 100;	1226	c.g = c.g * shade / 100;
1559	high.b = c.b * shade / 100;	1227	c.b = c.b * shade / 100;
1560		1228
1561	low.r = low.g = low.b = 0;	1229	low = 0;
1562	}	1230	}
1563		1231
1564	/* fill our lookup tables */	1232	/* fill our lookup tables */
1565	for (i = 0; i <= mask_r>>sh_r; i++)	1233	fill_lut (lookup_r, mask_r, sh_r, low, c.r);
1566	{	1234	fill_lut (lookup_g, mask_g, sh_g, low, c.g);
1567	uint32_t tmp;	1235	fill_lut (lookup_b, mask_b, sh_b, low, c.b);
1568	tmp = i * high.r;
1569	tmp += (mask_r>>sh_r) * low.r;
1570	lookup_r[i] = (tmp/65535)<<sh_r;
1571	}
1572	for (i = 0; i <= mask_g>>sh_g; i++)
1573	{
1574	uint32_t tmp;
1575	tmp = i * high.g;
1576	tmp += (mask_g>>sh_g) * low.g;
1577	lookup_g[i] = (tmp/65535)<<sh_g;
1578	}
1579	for (i = 0; i <= mask_b>>sh_b; i++)
1580	{
1581	uint32_t tmp;
1582	tmp = i * high.b;
1583	tmp += (mask_b>>sh_b) * low.b;
1584	lookup_b[i] = (tmp/65535)<<sh_b;
1585	}
1586		1236
1587	/* apply table to input image (replacing colors by newly calculated ones) */	1237	/* apply table to input image (replacing colors by newly calculated ones) */
1588	if (ximage->bits_per_pixel == 32	1238	if (ximage->bits_per_pixel == 32
1589	&& (ximage->depth == 24 || ximage->depth == 32)
1590	&& ximage->byte_order == host_byte_order)	1239	&& ximage->byte_order == host_byte_order)
1591	{	1240	{
1592	uint32_t *p1, *pf, *p, *pl;	1241	char *line = ximage->data;
1593	p1 = (uint32_t *) ximage->data;
1594	pf = (uint32_t *) (ximage->data + ximage->height * ximage->bytes_per_line);
1595		1242
1596	while (p1 < pf)	1243	for (int y = 0; y < ximage->height; y++)
1597	{	1244	{
1598	p = p1;	1245	uint32_t *p = (uint32_t *)line;
1599	pl = p1 + ximage->width;	1246	for (int x = 0; x < ximage->width; x++)
1600	for (; p < pl; p++)
1601	{	1247	{
1602	*p = lookup_r[(*p & 0xff0000) >> 16] |	1248	*p = lookup_r[(*p & mask_r) >> sh_r] |
1603	lookup_g[(*p & 0x00ff00) >> 8] |	1249	lookup_g[(*p & mask_g) >> sh_g] |
1604	lookup_b[(*p & 0x0000ff)] |	1250	lookup_b[(*p & mask_b) >> sh_b];
1605	(*p & 0xff000000);	1251	p++;
1606	}	1252	}
1607	p1 = (uint32_t *) ((char *) p1 + ximage->bytes_per_line);	1253	line += ximage->bytes_per_line;
1608	}	1254	}
1609	}	1255	}
1610	else	1256	else
1611	{	1257	{
1612	for (int y = 0; y < ximage->height; y++)	1258	for (int y = 0; y < ximage->height; y++)
…		…
1620	}	1266	}
1621	}	1267	}
1622		1268
1623	free (lookup);	1269	free (lookup);
1624	}	1270	}
1625	#endif /* defined(ENABLE_TRANSPARENCY) && !defined(HAVE_AFTERIMAGE) */	1271
		1272	#endif /* HAVE_BG_PIXMAP */

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