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Comparing rxvt-unicode/src/background.C (file contents):
Revision 1.163 by sf-exg, Sat Aug 13 09:05:44 2011 UTC vs.
Revision 1.230 by sf-exg, Sun Jun 3 15:50:22 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	# ifdef BG_IMAGE_FROM_FILE
58	if (original_asim)	64	for (vector<rxvt_image>::iterator bg_image = image_vec.begin (); bg_image < image_vec.end (); bg_image++)
59	safe_asimage_destroy (original_asim);	65	bg_image->destroy ();
60	if (asv)
61	destroy_asvisual (asv, 0);
62	if (asimman)
63	destroy_image_manager (asimman, 0);
64	#endif	66	# endif
65
66	#ifdef HAVE_PIXBUF
67	if (pixbuf)
68	g_object_unref (pixbuf);
69	#endif
70		67
71	if (bg_pixmap)	68	if (bg_pixmap)
72	XFreePixmap (dpy, bg_pixmap);	69	XFreePixmap (dpy, bg_pixmap);
73	}	70	}
74		71
…		…
93	if (bg_flags & BG_IS_TRANSPARENT)	90	if (bg_flags & BG_IS_TRANSPARENT)
94	return true;	91	return true;
95	# endif	92	# endif
96		93
97	# ifdef BG_IMAGE_FROM_FILE	94	# ifdef BG_IMAGE_FROM_FILE
98	if (bg_flags & BG_IS_FROM_FILE)	95	for (vector<rxvt_image>::iterator bg_image = image_vec.begin (); bg_image < image_vec.end (); bg_image++)
99	{	96	{
100	if (bg_flags & BG_IS_SIZE_SENSITIVE)	97	if ((bg_image->flags & IM_IS_SIZE_SENSITIVE)
		98	|| bg_image->width () > szHint.width
		99	|| bg_image->height () > szHint.height)
101	return true;	100	return true;
102	}	101	}
103	# endif	102	# endif
104		103
105	return false;	104	return false;
…		…
112	if (bg_flags & BG_IS_TRANSPARENT)	111	if (bg_flags & BG_IS_TRANSPARENT)
113	return true;	112	return true;
114	# endif	113	# endif
115		114
116	# ifdef BG_IMAGE_FROM_FILE	115	# ifdef BG_IMAGE_FROM_FILE
117	if (bg_flags & BG_IS_FROM_FILE)	116	for (vector<rxvt_image>::iterator bg_image = image_vec.begin (); bg_image < image_vec.end (); bg_image++)
118	{	117	{
119	if (bg_flags & BG_ROOT_ALIGN)	118	if (bg_image->flags & IM_ROOT_ALIGN)
120	return true;	119	return true;
121	}	120	}
122	# endif	121	# endif
123		122
124	return false;	123	return false;
125	}	124	}
126		125
127	# ifdef BG_IMAGE_FROM_FILE	126	# ifdef 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	127	static inline int
163	make_align_position (int align, int window_size, int image_size)	128	make_align_position (int align, int window_size, int image_size)
164	{	129	{
165	int diff = window_size - image_size;
166	int smaller = min (image_size, window_size);
167
168	if (align >= 0 && align <= 100)	130	if (align >= 0 && align <= 100)
169	return diff * align / 100;	131	return lerp (0, window_size - image_size, align);
170	else if (align > 100 && align <= 200)	132	else if (align > 100)
171	return ((align - 100) * smaller / 100) + window_size - smaller;	133	return lerp (window_size - image_size, window_size, align - 100);
172	else if (align >= -100 && align < 0)	134	else
173	return ((align + 100) * smaller / 100) - image_size;	135	return lerp (-image_size, 0, align + 100);
174	return 0;
175	}	136	}
176		137
177	static inline int	138	static inline int
178	make_clip_rectangle (int pos, int size, int target_size, int &dst_pos, int &dst_size)	139	make_clip_rectangle (int pos, int size, int target_size, int &dst_pos, int &dst_size)
179	{	140	{
…		…
185	src_pos = -pos;	146	src_pos = -pos;
186	dst_pos = 0;	147	dst_pos = 0;
187	dst_size += pos;	148	dst_size += pos;
188	}	149	}
189		150
190	if (dst_pos + dst_size > target_size)
191	dst_size = target_size - dst_pos;	151	min_it (dst_size, target_size - dst_pos);
192	return src_pos;	152	return src_pos;
193	}	153	}
194		154
		155	static void
		156	parse_style (const char *style, int &x, int &y, unsigned int &w, unsigned int &h, uint8_t &flags)
		157	{
		158	if (!strcasecmp (style, "tiled"))
		159	{
		160	flags = IM_TILE;
		161	w = h = noScale;
		162	x = y = 0;
		163	}
		164	else if (!strcasecmp (style, "aspect-stretched"))
		165	{
		166	flags = IM_KEEP_ASPECT;
		167	w = h = windowScale;
		168	x = y = centerAlign;
		169	}
		170	else if (!strcasecmp (style, "stretched"))
		171	{
		172	flags = 0;
		173	w = h = windowScale;
		174	x = y = centerAlign;
		175	}
		176	else if (!strcasecmp (style, "centered"))
		177	{
		178	flags = 0;
		179	w = h = noScale;
		180	x = y = centerAlign;
		181	}
		182	else if (!strcasecmp (style, "root-tiled"))
		183	{
		184	flags = IM_TILE|IM_ROOT_ALIGN;
		185	w = h = noScale;
		186	x = y = 0;
		187	}
		188	}
		189
195	bool	190	bool
196	rxvt_term::bg_set_geometry (const char *geom, bool update)	191	rxvt_image::set_geometry (const char *geom, bool update)
197	{	192	{
198	bool changed = false;	193	bool changed = false;
199	int geom_flags = 0;	194	int geom_flags = 0;
200	int x = 0, y = 0;	195	int x = h_align;
		196	int y = v_align;
201	unsigned int w = 0, h = 0;	197	unsigned int w = h_scale;
202	unsigned long new_flags = (bg_flags & (~BG_GEOMETRY_FLAGS));	198	unsigned int h = v_scale;
		199	uint8_t new_flags = 0;
203		200
204	if (geom == NULL)	201	if (geom == NULL)
205	return false;	202	return false;
206		203
207	if (geom[0])	204	if (geom[0])
208	{	205	{
209	char **arr = rxvt_strsplit (':', geom);	206	char **arr = rxvt_strsplit (':', geom);
210		207
211	for (int i = 0; arr[i]; i++)	208	for (int i = 0; arr[i]; i++)
212	{	209	{
213	if (!strcasecmp (arr[i], "style=tiled"))	210	if (!strncasecmp (arr[i], "style=", 6))
214	{	211	{
215	new_flags = BG_TILE;	212	parse_style (arr[i] + 6, x, y, w, h, new_flags);
216	w = h = noScale;
217	x = y = 0;
218	geom_flags = WidthValue|HeightValue|XValue|YValue;	213	geom_flags = WidthValue|HeightValue|XValue|YValue;
219	}	214	}
220	else if (!strcasecmp (arr[i], "style=aspect-stretched"))
221	{
222	new_flags = BG_PROP_SCALE;
223	x = y = centerAlign;
224	geom_flags = XValue|YValue;
225	}
226	else if (!strcasecmp (arr[i], "style=stretched"))
227	{
228	new_flags = 0;
229	w = h = windowScale;
230	geom_flags = WidthValue|HeightValue;
231	}
232	else if (!strcasecmp (arr[i], "style=centered"))
233	{
234	new_flags = 0;
235	w = h = noScale;
236	x = y = centerAlign;
237	geom_flags = WidthValue|HeightValue|XValue|YValue;
238	}
239	else if (!strcasecmp (arr[i], "style=root-tiled"))
240	{
241	new_flags = BG_TILE|BG_ROOT_ALIGN;
242	w = h = noScale;
243	geom_flags = WidthValue|HeightValue;
244	}
245	else if (!strcasecmp (arr[i], "op=tile"))	215	else if (!strcasecmp (arr[i], "op=tile"))
246	new_flags |= BG_TILE;	216	new_flags |= IM_TILE;
247	else if (!strcasecmp (arr[i], "op=pscale"))	217	else if (!strcasecmp (arr[i], "op=keep-aspect"))
248	new_flags |= BG_PROP_SCALE;	218	new_flags |= IM_KEEP_ASPECT;
249	else if (!strcasecmp (arr[i], "op=root"))	219	else if (!strcasecmp (arr[i], "op=root-align"))
250	new_flags |= BG_ROOT_ALIGN;	220	new_flags |= IM_ROOT_ALIGN;
251		221
252	// deprecated	222	// deprecated
253	else if (!strcasecmp (arr[i], "tile"))	223	else if (!strcasecmp (arr[i], "tile"))
254	{	224	{
255	new_flags |= BG_TILE;	225	new_flags |= IM_TILE;
256	w = h = noScale;	226	w = h = noScale;
257	geom_flags |= WidthValue|HeightValue;	227	geom_flags |= WidthValue|HeightValue;
258	}	228	}
259	else if (!strcasecmp (arr[i], "propscale"))	229	else if (!strcasecmp (arr[i], "propscale"))
260	{	230	{
261	new_flags |= BG_PROP_SCALE;	231	new_flags |= IM_KEEP_ASPECT;
		232	w = h = windowScale;
		233	geom_flags |= WidthValue|HeightValue;
262	}	234	}
263	else if (!strcasecmp (arr[i], "hscale"))	235	else if (!strcasecmp (arr[i], "hscale"))
264	{	236	{
265	new_flags |= BG_TILE;	237	new_flags |= IM_TILE;
266	w = windowScale;	238	w = windowScale;
267	h = noScale;	239	h = noScale;
268	geom_flags |= WidthValue|HeightValue;	240	geom_flags |= WidthValue|HeightValue;
269	}	241	}
270	else if (!strcasecmp (arr[i], "vscale"))	242	else if (!strcasecmp (arr[i], "vscale"))
271	{	243	{
272	new_flags |= BG_TILE;	244	new_flags |= IM_TILE;
273	h = windowScale;	245	h = windowScale;
274	w = noScale;	246	w = noScale;
275	geom_flags |= WidthValue|HeightValue;	247	geom_flags |= WidthValue|HeightValue;
276	}	248	}
277	else if (!strcasecmp (arr[i], "scale"))	249	else if (!strcasecmp (arr[i], "scale"))
…		…
285	x = y = centerAlign;	257	x = y = centerAlign;
286	geom_flags |= WidthValue|HeightValue|XValue|YValue;	258	geom_flags |= WidthValue|HeightValue|XValue|YValue;
287	}	259	}
288	else if (!strcasecmp (arr[i], "root"))	260	else if (!strcasecmp (arr[i], "root"))
289	{	261	{
290	new_flags |= BG_TILE|BG_ROOT_ALIGN;	262	new_flags |= IM_TILE|IM_ROOT_ALIGN;
291	w = h = noScale;	263	w = h = noScale;
292	geom_flags |= WidthValue|HeightValue;	264	geom_flags |= WidthValue|HeightValue;
293	}	265	}
294		266
295	else	267	else
296	geom_flags |= XParseGeometry (arr[i], &x, &y, &w, &h);	268	geom_flags |= XParseGeometry (arr[i], &x, &y, &w, &h);
297	} /* done parsing ops */	269	} /* done parsing ops */
298		270
299	rxvt_free_strsplit (arr);	271	rxvt_free_strsplit (arr);
300	}	272	}
		273
		274	new_flags |= flags & ~IM_GEOMETRY_FLAGS;
301		275
302	if (!update)	276	if (!update)
303	{	277	{
304	if (!(geom_flags & XValue))	278	if (!(geom_flags & XValue))
305	x = y = defaultAlign;	279	x = y = defaultAlign;
…		…
310	w = h = defaultScale;	284	w = h = defaultScale;
311	else if (!(geom_flags & HeightValue))	285	else if (!(geom_flags & HeightValue))
312	h = w;	286	h = w;
313	else if (!(geom_flags & WidthValue))	287	else if (!(geom_flags & WidthValue))
314	w = h;	288	w = h;
315
316	geom_flags |= WidthValue|HeightValue|XValue|YValue;
317	}
318
319	if (check_set_scale_value (geom_flags, WidthValue, h_scale, w)) changed = true;
320	if (check_set_scale_value (geom_flags, HeightValue, v_scale, h)) changed = true;
321	if (check_set_align_value (geom_flags, XValue, h_align, x)) changed = true;
322	if (check_set_align_value (geom_flags, YValue, v_align, y)) changed = true;
323
324	if (new_flags != bg_flags)
325	{	289	}
		290
		291	clamp_it (x, -100, 200);
		292	clamp_it (y, -100, 200);
		293
		294	if (flags != new_flags
		295	|| h_scale != w
		296	|| v_scale != h
		297	|| h_align != x
		298	|| v_align != y)
		299	{
326	bg_flags = new_flags;	300	flags = new_flags;
		301	h_scale = w;
		302	v_scale = h;
		303	h_align = x;
		304	v_align = y;
327	changed = true;	305	changed = true;
328	}	306	}
329		307
		308	if (is_size_sensitive ())
		309	flags |= IM_IS_SIZE_SENSITIVE;
		310	else
		311	flags &= ~IM_IS_SIZE_SENSITIVE;
		312
330	return changed;	313	return changed;
331	}	314	}
332		315
333	void	316	void
334	rxvt_term::get_image_geometry (int image_width, int image_height, int &w, int &h, int &x, int &y)	317	rxvt_term::get_image_geometry (rxvt_image &image, int &w, int &h, int &x, int &y)
335	{	318	{
		319	int image_width = image.width ();
		320	int image_height = image.height ();
336	int target_width = szHint.width;	321	int target_width = szHint.width;
337	int target_height = szHint.height;	322	int target_height = szHint.height;
		323	int h_scale = min (image.h_scale, 32767 * 100 / target_width);
		324	int v_scale = min (image.v_scale, 32767 * 100 / target_height);
338		325
339	if (bg_flags & BG_PROP_SCALE)	326	w = h_scale * target_width / 100;
		327	h = v_scale * target_height / 100;
		328
		329	if (image.flags & IM_KEEP_ASPECT)
340	{	330	{
341	float scale = (float)target_width / image_width;	331	float scale = (float)w / image_width;
342	min_it (scale, (float)target_height / image_height);	332	min_it (scale, (float)h / image_height);
343	w = image_width * scale + 0.5;	333	w = image_width * scale + 0.5;
344	h = image_height * scale + 0.5;	334	h = image_height * scale + 0.5;
345	}	335	}
346	else
347	{
348	w = h_scale * target_width / 100;
349	h = v_scale * target_height / 100;
350	}
351		336
352	if (!w) w = image_width;	337	if (!w) w = image_width;
353	if (!h) h = image_height;	338	if (!h) h = image_height;
354		339
355	if (bg_flags & BG_ROOT_ALIGN)	340	if (image.flags & IM_ROOT_ALIGN)
356	{	341	{
357	x = -target_x;	342	x = -target_x;
358	y = -target_y;	343	y = -target_y;
359	}	344	}
360	else	345	else
361	{	346	{
362	x = make_align_position (h_align, target_width, w);	347	x = make_align_position (image.h_align, target_width, w);
363	y = make_align_position (v_align, target_height, h);	348	y = make_align_position (image.v_align, target_height, h);
364	}
365
366	bg_flags &= ~BG_IS_SIZE_SENSITIVE;
367	if (!(bg_flags & BG_TILE)
368	|| (bg_flags & BG_PROP_SCALE) || h_scale || v_scale
369	|| (!(bg_flags & BG_ROOT_ALIGN) && (h_align || v_align))
370	|| w > target_width || h > target_height)
371	bg_flags |= BG_IS_SIZE_SENSITIVE;
372	}
373
374	# ifdef HAVE_AFTERIMAGE
375	bool
376	rxvt_term::render_image (unsigned long tr_flags)
377	{
378	init_asv ();
379
380	ASImage *background = NULL;
381	ARGB32 background_tint = TINT_LEAVE_SAME;
382
383	# ifdef ENABLE_TRANSPARENCY
384	if (tr_flags)
385	background = pixmap2ximage (asv, bg_pixmap, 0, 0, bg_pmap_width, bg_pmap_height, AllPlanes, 100);
386
387	if (tr_flags & BG_NEEDS_TINT)
388	{	349	}
389	ShadingInfo as_shade;	350	}
390	as_shade.shading = shade;
391		351
392	rgba c (rgba::MAX_CC,rgba::MAX_CC,rgba::MAX_CC);	352	# ifdef HAVE_PIXBUF
393	if (bg_flags & BG_TINT_SET)	353	bool
394	tint.get (c);	354	rxvt_term::pixbuf_to_pixmap (GdkPixbuf *pixbuf, Pixmap pixmap, GC gc,
395	as_shade.tintColor.red = c.r;	355	int src_x, int src_y, int dst_x, int dst_y,
396	as_shade.tintColor.green = c.g;	356	unsigned int width, unsigned int height, bool argb)
397	as_shade.tintColor.blue = c.b;	357	{
		358	XImage *ximage;
		359	char *line;
		360	int width_r, width_g, width_b, width_a;
		361	int sh_r, sh_g, sh_b, sh_a;
		362	uint32_t red_mask, green_mask, blue_mask, alpha_mask;
		363	int rowstride;
		364	int channels;
		365	unsigned char *row;
398		366
399	background_tint = shading2tint32 (&as_shade);	367	if (visual->c_class != TrueColor)
		368	return false;
		369
		370	if (argb)
400	}	371	{
401		372	red_mask = 0xff << 16;
402	if ((tr_flags & BG_NEEDS_BLUR) && background != NULL)	373	green_mask = 0xff << 8;
		374	blue_mask = 0xff;
		375	alpha_mask = 0xff << 24;
403	{	376	}
404	ASImage *tmp = blur_asimage_gauss (asv, background, h_blurRadius, v_blurRadius, 0xFFFFFFFF,	377	else
405	(original_asim == NULL || tint == TINT_LEAVE_SAME) ? ASA_XImage : ASA_ASImage,	378	{
406	100, ASIMAGE_QUALITY_DEFAULT);	379	red_mask = visual->red_mask;
		380	green_mask = visual->green_mask;
		381	blue_mask = visual->blue_mask;
		382	#if XRENDER
		383	XRenderPictFormat *format = XRenderFindVisualFormat (dpy, visual);
407	if (tmp)	384	if (format)
408	{	385	alpha_mask = (uint32_t)format->direct.alphaMask << format->direct.alpha;
409	destroy_asimage (&background);	386	else
410	background = tmp;	387	#endif
		388	alpha_mask = 0;
		389	}
		390
		391	width_r = ecb_popcount32 (red_mask);
		392	width_g = ecb_popcount32 (green_mask);
		393	width_b = ecb_popcount32 (blue_mask);
		394	width_a = ecb_popcount32 (alpha_mask);
		395
		396	if (width_r > 8 || width_g > 8 || width_b > 8 || width_a > 8)
		397	return false;
		398
		399	sh_r = ecb_ctz32 (red_mask);
		400	sh_g = ecb_ctz32 (green_mask);
		401	sh_b = ecb_ctz32 (blue_mask);
		402	sh_a = ecb_ctz32 (alpha_mask);
		403
		404	if (width > 32767 || height > 32767)
		405	return false;
		406
		407	ximage = XCreateImage (dpy, visual, argb ? 32 : depth, ZPixmap, 0, 0,
		408	width, height, 32, 0);
		409	if (!ximage)
		410	return false;
		411
		412	if (height > INT_MAX / ximage->bytes_per_line
		413	|| !(ximage->data = (char *)malloc (height * ximage->bytes_per_line)))
		414	{
		415	XDestroyImage (ximage);
		416	return false;
		417	}
		418
		419	ximage->byte_order = ecb_big_endian () ? MSBFirst : LSBFirst;
		420
		421	rowstride = gdk_pixbuf_get_rowstride (pixbuf);
		422	channels = gdk_pixbuf_get_n_channels (pixbuf);
		423	row = gdk_pixbuf_get_pixels (pixbuf) + src_y * rowstride + src_x * channels;
		424	line = ximage->data;
		425
		426	rgba c (0, 0, 0);
		427
		428	if (channels == 4 && alpha_mask == 0)
		429	{
		430	pix_colors[Color_bg].get (c);
		431	c.r >>= 8;
		432	c.g >>= 8;
		433	c.b >>= 8;
		434	}
		435
		436	for (int y = 0; y < height; y++)
		437	{
		438	for (int x = 0; x < width; x++)
411	}	439	{
412	}	440	unsigned char *pixel = row + x * channels;
413	# endif	441	uint32_t value;
		442	unsigned char r, g, b, a;
414		443
415	ASImage *result = 0;	444	if (channels == 4)
		445	{
		446	a = pixel[3];
		447	r = (pixel[0] * a + c.r * (0xff - a)) / 0xff;
		448	g = (pixel[1] * a + c.g * (0xff - a)) / 0xff;
		449	b = (pixel[2] * a + c.b * (0xff - a)) / 0xff;
		450	}
		451	else
		452	{
		453	a = 0xff;
		454	r = pixel[0];
		455	g = pixel[1];
		456	b = pixel[2];
		457	}
		458
		459	value = ((r >> (8 - width_r)) << sh_r)
		460	| ((g >> (8 - width_g)) << sh_g)
		461	| ((b >> (8 - width_b)) << sh_b)
		462	| ((a >> (8 - width_a)) << sh_a);
		463
		464	if (ximage->bits_per_pixel == 32)
		465	((uint32_t *)line)[x] = value;
		466	else
		467	XPutPixel (ximage, x, y, value);
		468	}
		469
		470	row += rowstride;
		471	line += ximage->bytes_per_line;
		472	}
		473
		474	XPutImage (dpy, pixmap, gc, ximage, 0, 0, dst_x, dst_y, width, height);
		475	XDestroyImage (ximage);
		476	return true;
		477	}
		478
		479	bool
		480	rxvt_term::render_image (rxvt_image &image)
		481	{
		482	GdkPixbuf *pixbuf = image.pixbuf;
		483	if (!pixbuf)
		484	return false;
		485
		486	bool need_blend = bg_flags & BG_IS_VALID;
		487
		488	if (need_blend
		489	&& !(display->flags & DISPLAY_HAS_RENDER))
		490	return false;
		491
		492	GdkPixbuf *result;
		493
		494	int image_width = gdk_pixbuf_get_width (pixbuf);
		495	int image_height = gdk_pixbuf_get_height (pixbuf);
416		496
417	int target_width = szHint.width;	497	int target_width = szHint.width;
418	int target_height = szHint.height;	498	int target_height = szHint.height;
419	int new_pmap_width = target_width;	499	int new_pmap_width = target_width;
420	int new_pmap_height = target_height;	500	int new_pmap_height = target_height;
…		…
422	int x = 0;	502	int x = 0;
423	int y = 0;	503	int y = 0;
424	int w = 0;	504	int w = 0;
425	int h = 0;	505	int h = 0;
426		506
427	if (original_asim)	507	get_image_geometry (image, w, h, x, y);
428	get_image_geometry (original_asim->width, original_asim->height, w, h, x, y);
429		508
430	if (!original_asim	509	if (!(image.flags & IM_ROOT_ALIGN)
431	|| (!(bg_flags & BG_ROOT_ALIGN)
432	&& (x >= target_width	510	&& (x >= target_width
433	|| y >= target_height	511	|| y >= target_height
434	|| (x + w <= 0)	512	|| x + w <= 0
435	|| (y + h <= 0))))	513	|| y + h <= 0))
436	{	514	return false;
437	if (background)
438	{
439	new_pmap_width = background->width;
440	new_pmap_height = background->height;
441	result = background;
442		515
443	if (background_tint != TINT_LEAVE_SAME)	516	result = pixbuf;
444	{	517
445	ASImage *tmp = tile_asimage (asv, background, 0, 0,	518	if (w != image_width
446	target_width, target_height, background_tint,	519	|| h != image_height)
447	ASA_XImage, 100, ASIMAGE_QUALITY_DEFAULT);
448	if (tmp)
449	result = tmp;
450	}
451	}
452	else
453	new_pmap_width = new_pmap_height = 0;
454	}	520	{
		521	result = gdk_pixbuf_scale_simple (pixbuf,
		522	w, h,
		523	GDK_INTERP_BILINEAR);
		524	}
		525
		526	if (!result)
		527	return false;
		528
		529	bool ret = false;
		530
		531	XGCValues gcv;
		532	GC gc;
		533	Pixmap tmp_pixmap;
		534
		535	image_width = gdk_pixbuf_get_width (result);
		536	image_height = gdk_pixbuf_get_height (result);
		537
		538	if (need_blend)
		539	tmp_pixmap = XCreatePixmap (dpy, vt, new_pmap_width, new_pmap_height, 32);
455	else	540	else
456	{	541	{
457	result = original_asim;	542	// optimise bg pixmap size when tiling, but only if there are no
458		543	// other pixbufs to render. Otherwise, the bg pixmap size must
459	if ((w != original_asim->width)	544	// be equal to the window size.
460	|| (h != original_asim->height))	545	if ((image.flags & IM_TILE)
461	{	546	&& image_vec.size () == 1)
462	result = scale_asimage (asv, original_asim,
463	w, h,
464	background ? ASA_ASImage : ASA_XImage,
465	100, ASIMAGE_QUALITY_DEFAULT);
466	}	547	{
467		548	new_pmap_width = min (image_width, target_width);
468	if (background == NULL)	549	new_pmap_height = min (image_height, target_height);
469	{	550	}
470	if (bg_flags & BG_TILE)
471	{
472	/* if tiling - pixmap has to be sized exactly as the image,
473	but there is no need to make it bigger than the window! */
474	new_pmap_width = min (result->width, target_width);
475	new_pmap_height = min (result->height, target_height);
476		551
477	/* we also need to tile our image in both directions */
478	ASImage *tmp = tile_asimage (asv, result,
479	(int)result->width - x,
480	(int)result->height - y,
481	new_pmap_width,
482	new_pmap_height,
483	TINT_LEAVE_SAME, ASA_XImage,
484	100, ASIMAGE_QUALITY_DEFAULT);
485	if (tmp)
486	{
487	if (result != original_asim)
488	destroy_asimage (&result);
489
490	result = tmp;
491	}
492	}
493	}
494	else
495	{
496	/* if blending background and image - pixmap has to be sized same as target window */
497	ASImageLayer *layers = create_image_layers (2);
498
499	layers[0].im = background;
500	layers[0].clip_width = target_width;
501	layers[0].clip_height = target_height;
502	layers[0].tint = background_tint;
503	layers[1].im = result;
504
505	if (bg_flags & BG_TILE)
506	{
507	/* tile horizontally */
508	while (x > 0) x -= (int)result->width;
509	layers[1].dst_x = x;
510	layers[1].clip_width = result->width+target_width;
511	}
512	else
513	{
514	/* clip horizontally */
515	layers[1].dst_x = x;
516	layers[1].clip_width = result->width;
517	}
518
519	if (bg_flags & BG_TILE)
520	{
521	while (y > 0) y -= (int)result->height;
522	layers[1].dst_y = y;
523	layers[1].clip_height = result->height + target_height;
524	}
525	else
526	{
527	layers[1].dst_y = y;
528	layers[1].clip_height = result->height;
529	}
530
531	if (rs[Rs_blendtype])
532	{
533	layers[1].merge_scanlines = blend_scanlines_name2func (rs[Rs_blendtype]);
534	if (layers[1].merge_scanlines == NULL)
535	layers[1].merge_scanlines = alphablend_scanlines;
536	}
537
538	ASImage *tmp = merge_layers (asv, layers, 2, target_width, target_height,
539	ASA_XImage, 0, ASIMAGE_QUALITY_DEFAULT);
540
541	if (tmp)
542	{
543	if (result != original_asim)
544	destroy_asimage (&result);
545
546	result = tmp;
547	}
548
549	free (layers);
550	}
551	}
552
553	bool ret = false;
554
555	if (result)
556	{
557	XGCValues gcv;
558	GC gc;
559
560	/* create Pixmap */
561	if (bg_pixmap == None	552	if (bg_pixmap == None
562	|| bg_pmap_width != new_pmap_width	553	|| bg_pmap_width != new_pmap_width
563	|| bg_pmap_height != new_pmap_height)	554	|| bg_pmap_height != new_pmap_height)
564	{	555	{
565	if (bg_pixmap)	556	if (bg_pixmap)
566	XFreePixmap (dpy, bg_pixmap);	557	XFreePixmap (dpy, bg_pixmap);
567	bg_pixmap = XCreatePixmap (dpy, vt, new_pmap_width, new_pmap_height, depth);	558	bg_pixmap = XCreatePixmap (dpy, vt, new_pmap_width, new_pmap_height, depth);
568	bg_pmap_width = new_pmap_width;	559	bg_pmap_width = new_pmap_width;
569	bg_pmap_height = new_pmap_height;	560	bg_pmap_height = new_pmap_height;
570	}	561	}
571	/* fill with background color (if result's not completely overlapping it) */
572	gcv.foreground = pix_colors[Color_bg];
573	gc = XCreateGC (dpy, vt, GCForeground, &gcv);
574		562
575	int src_x = 0, src_y = 0, dst_x = 0, dst_y = 0;
576	int dst_width = result->width, dst_height = result->height;
577	if (background == NULL)
578	{
579	if (!(bg_flags & BG_TILE))
580	{
581	src_x = make_clip_rectangle (x, result->width , new_pmap_width , dst_x, dst_width );
582	src_y = make_clip_rectangle (y, result->height, new_pmap_height, dst_y, dst_height);
583	}
584
585	if (dst_x > 0 || dst_y > 0
586	|| dst_x + dst_width < new_pmap_width
587	|| dst_y + dst_height < new_pmap_height)
588	XFillRectangle (dpy, bg_pixmap, gc, 0, 0, new_pmap_width, new_pmap_height);
589	}
590
591	/* put result on pixmap */
592	if (dst_x < new_pmap_width && dst_y < new_pmap_height)
593	asimage2drawable (asv, bg_pixmap, result, gc, src_x, src_y, dst_x, dst_y, dst_width, dst_height, True);
594
595	if (result != background && result != original_asim)
596	destroy_asimage (&result);
597
598	XFreeGC (dpy, gc);
599
600	ret = true;
601	}
602
603	if (background)
604	destroy_asimage (&background);
605
606	return ret;
607	}
608	# endif /* HAVE_AFTERIMAGE */
609
610	# ifdef HAVE_PIXBUF
611	bool
612	rxvt_term::pixbuf_to_pixmap (GdkPixbuf *pixbuf, Pixmap pixmap, GC gc,
613	int src_x, int src_y, int dst_x, int dst_y,
614	unsigned int width, unsigned int height)
615	{
616	XImage *ximage;
617	char *data, *line;
618	int bytes_per_pixel;
619	int width_r, width_g, width_b;
620	int sh_r, sh_g, sh_b;
621	int rowstride;
622	int channels;
623	unsigned char *row;
624
625	if (visual->c_class != TrueColor)
626	return false;
627
628	if (depth == 24 || depth == 32)
629	bytes_per_pixel = 4;
630	else if (depth == 15 || depth == 16)
631	bytes_per_pixel = 2;
632	else
633	return false;
634
635	width_r = ecb_popcount32 (visual->red_mask);
636	width_g = ecb_popcount32 (visual->green_mask);
637	width_b = ecb_popcount32 (visual->blue_mask);
638
639	if (width_r > 8 || width_g > 8 || width_b > 8)
640	return false;
641
642	sh_r = ecb_ctz32 (visual->red_mask);
643	sh_g = ecb_ctz32 (visual->green_mask);
644	sh_b = ecb_ctz32 (visual->blue_mask);
645
646	if (width > INT_MAX / height / bytes_per_pixel)
647	return false;
648
649	data = (char *)malloc (width * height * bytes_per_pixel);
650	if (!data)
651	return false;
652
653	ximage = XCreateImage (dpy, visual, depth, ZPixmap, 0, data,
654	width, height, bytes_per_pixel * 8, 0);
655	if (!ximage)
656	{
657	free (data);
658	return false;
659	}
660
661	ximage->byte_order = ecb_big_endian () ? MSBFirst : LSBFirst;
662
663	rowstride = gdk_pixbuf_get_rowstride (pixbuf);
664	channels = gdk_pixbuf_get_n_channels (pixbuf);
665	row = gdk_pixbuf_get_pixels (pixbuf) + src_y * rowstride + src_x * channels;
666	line = data;
667
668	for (int y = 0; y < height; y++)
669	{
670	for (int x = 0; x < width; x++)
671	{
672	unsigned char *pixel = row + x * channels;
673	uint32_t value;
674
675	value = ((pixel[0] >> (8 - width_r)) << sh_r)
676	| ((pixel[1] >> (8 - width_g)) << sh_g)
677	| ((pixel[2] >> (8 - width_b)) << sh_b);
678
679	if (bytes_per_pixel == 4)
680	((uint32_t *)line)[x] = value;
681	else
682	((uint16_t *)line)[x] = value;
683	}
684
685	row += rowstride;
686	line += ximage->bytes_per_line;
687	}
688
689	XPutImage (dpy, pixmap, gc, ximage, 0, 0, dst_x, dst_y, width, height);
690	XDestroyImage (ximage);
691	return true;
692	}
693
694	bool
695	rxvt_term::render_image (unsigned long tr_flags)
696	{
697	if (!pixbuf)
698	return false;
699
700	if (tr_flags
701	&& !(bg_flags & BG_HAS_RENDER))
702	return false;
703
704	GdkPixbuf *result;
705
706	int image_width = gdk_pixbuf_get_width (pixbuf);
707	int image_height = gdk_pixbuf_get_height (pixbuf);
708
709	int target_width = szHint.width;
710	int target_height = szHint.height;
711	int new_pmap_width = target_width;
712	int new_pmap_height = target_height;
713
714	int x = 0;
715	int y = 0;
716	int w = 0;
717	int h = 0;
718
719	get_image_geometry (image_width, image_height, w, h, x, y);
720
721	if (!(bg_flags & BG_ROOT_ALIGN)
722	&& (x >= target_width
723	|| y >= target_height
724	|| (x + w <= 0)
725	|| (y + h <= 0)))
726	return false;
727
728	result = pixbuf;
729
730	if ((w != image_width)
731	|| (h != image_height))
732	{
733	result = gdk_pixbuf_scale_simple (pixbuf,
734	w, h,
735	GDK_INTERP_BILINEAR);
736	}
737
738	if (!result)
739	return false;
740
741	bool ret = false;
742
743	XGCValues gcv;
744	GC gc;
745	Pixmap root_pmap;
746
747	image_width = gdk_pixbuf_get_width (result);
748	image_height = gdk_pixbuf_get_height (result);
749
750	if (tr_flags)
751	{
752	root_pmap = bg_pixmap;	563	tmp_pixmap = bg_pixmap;
753	bg_pixmap = None;
754	}
755	else
756	{
757	if (bg_flags & BG_TILE)
758	{
759	new_pmap_width = min (image_width, target_width);
760	new_pmap_height = min (image_height, target_height);
761	}
762	}
763
764	if (bg_pixmap == None
765	|| bg_pmap_width != new_pmap_width
766	|| bg_pmap_height != new_pmap_height)
767	{
768	if (bg_pixmap)
769	XFreePixmap (dpy, bg_pixmap);
770	bg_pixmap = XCreatePixmap (dpy, vt, new_pmap_width, new_pmap_height, depth);
771	bg_pmap_width = new_pmap_width;
772	bg_pmap_height = new_pmap_height;
773	}	564	}
774		565
775	gcv.foreground = pix_colors[Color_bg];	566	gcv.foreground = pix_colors[Color_bg];
776	gc = XCreateGC (dpy, vt, GCForeground, &gcv);	567	gc = XCreateGC (dpy, tmp_pixmap, GCForeground, &gcv);
777		568
778	if (gc)	569	if (gc)
779	{	570	{
780	if (bg_flags & BG_TILE)	571	if (image.flags & IM_TILE)
781	{	572	{
782	Pixmap tile = XCreatePixmap (dpy, vt, image_width, image_height, depth);	573	Pixmap tile = XCreatePixmap (dpy, vt, image_width, image_height, need_blend ? 32 : depth);
783	pixbuf_to_pixmap (result, tile, gc,	574	pixbuf_to_pixmap (result, tile, gc,
784	0, 0,	575	0, 0,
785	0, 0,	576	0, 0,
786	image_width, image_height);	577	image_width, image_height, need_blend);
787		578
788	gcv.tile = tile;	579	gcv.tile = tile;
789	gcv.fill_style = FillTiled;	580	gcv.fill_style = FillTiled;
790	gcv.ts_x_origin = x;	581	gcv.ts_x_origin = x;
791	gcv.ts_y_origin = y;	582	gcv.ts_y_origin = y;
792	XChangeGC (dpy, gc, GCFillStyle | GCTile | GCTileStipXOrigin | GCTileStipYOrigin, &gcv);	583	XChangeGC (dpy, gc, GCFillStyle | GCTile | GCTileStipXOrigin | GCTileStipYOrigin, &gcv);
793		584
794	XFillRectangle (dpy, bg_pixmap, gc, 0, 0, new_pmap_width, new_pmap_height);	585	XFillRectangle (dpy, tmp_pixmap, gc, 0, 0, new_pmap_width, new_pmap_height);
795	XFreePixmap (dpy, tile);	586	XFreePixmap (dpy, tile);
796	}	587	}
797	else	588	else
798	{	589	{
799	int src_x, src_y, dst_x, dst_y;	590	int src_x, src_y, dst_x, dst_y;
…		…
803	src_y = make_clip_rectangle (y, image_height, new_pmap_height, dst_y, dst_height);	594	src_y = make_clip_rectangle (y, image_height, new_pmap_height, dst_y, dst_height);
804		595
805	if (dst_x > 0 || dst_y > 0	596	if (dst_x > 0 || dst_y > 0
806	|| dst_x + dst_width < new_pmap_width	597	|| dst_x + dst_width < new_pmap_width
807	|| dst_y + dst_height < new_pmap_height)	598	|| dst_y + dst_height < new_pmap_height)
808	XFillRectangle (dpy, bg_pixmap, gc, 0, 0, new_pmap_width, new_pmap_height);	599	XFillRectangle (dpy, tmp_pixmap, gc, 0, 0, new_pmap_width, new_pmap_height);
809		600
810	if (dst_x < new_pmap_width && dst_y < new_pmap_height)	601	if (dst_x < new_pmap_width && dst_y < new_pmap_height)
811	pixbuf_to_pixmap (result, bg_pixmap, gc,	602	pixbuf_to_pixmap (result, tmp_pixmap, gc,
812	src_x, src_y,	603	src_x, src_y,
813	dst_x, dst_y,	604	dst_x, dst_y,
814	dst_width, dst_height);	605	dst_width, dst_height, need_blend);
815	}	606	}
		607
		608	if (image.need_blur ())
		609	blur_pixmap (tmp_pixmap, new_pmap_width, new_pmap_height, need_blend, image.h_blurRadius, image.v_blurRadius);
		610	if (image.need_tint ())
		611	tint_pixmap (tmp_pixmap, new_pmap_width, new_pmap_height, need_blend, image.tint, image.tint_set, image.shade);
816		612
817	#if XRENDER	613	#if XRENDER
818	if (tr_flags)	614	if (need_blend)
819	{	615	{
820	XRenderPictureAttributes pa;	616	XRenderPictFormat *argb_format = XRenderFindStandardFormat (dpy, PictStandardARGB32);
821
822	XRenderPictFormat *src_format = XRenderFindVisualFormat (dpy, visual);	617	XRenderPictFormat *format = XRenderFindVisualFormat (dpy, visual);
		618
823	Picture src = XRenderCreatePicture (dpy, root_pmap, src_format, 0, &pa);	619	Picture src = XRenderCreatePicture (dpy, tmp_pixmap, argb_format, 0, 0);
824		620
825	XRenderPictFormat *dst_format = XRenderFindVisualFormat (dpy, visual);
826	Picture dst = XRenderCreatePicture (dpy, bg_pixmap, dst_format, 0, &pa);	621	Picture dst = XRenderCreatePicture (dpy, bg_pixmap, format, 0, 0);
827		622
828	pa.repeat = True;	623	Picture mask = create_xrender_mask (dpy, vt, False, False);
829	Pixmap mask_pmap = XCreatePixmap (dpy, vt, 1, 1, 8);
830	XRenderPictFormat *mask_format = XRenderFindStandardFormat (dpy, PictStandardA8);
831	Picture mask = XRenderCreatePicture (dpy, mask_pmap, mask_format, CPRepeat, &pa);
832	XFreePixmap (dpy, mask_pmap);
833		624
834	XRenderColor mask_c;	625	XRenderColor mask_c;
835		626
836	mask_c.alpha = 0x8000;	627	mask_c.alpha = image.alpha;
837	mask_c.red = 0;	628	mask_c.red =
838	mask_c.green = 0;	629	mask_c.green =
839	mask_c.blue = 0;	630	mask_c.blue = 0;
840	XRenderFillRectangle (dpy, PictOpSrc, mask, &mask_c, 0, 0, 1, 1);	631	XRenderFillRectangle (dpy, PictOpSrc, mask, &mask_c, 0, 0, 1, 1);
		632
841	XRenderComposite (dpy, PictOpOver, src, mask, dst, 0, 0, 0, 0, 0, 0, target_width, target_height);	633	XRenderComposite (dpy, PictOpOver, src, mask, dst, 0, 0, 0, 0, 0, 0, target_width, target_height);
842		634
843	XRenderFreePicture (dpy, src);	635	XRenderFreePicture (dpy, src);
844	XRenderFreePicture (dpy, dst);	636	XRenderFreePicture (dpy, dst);
845	XRenderFreePicture (dpy, mask);	637	XRenderFreePicture (dpy, mask);
…		…
852	}	644	}
853		645
854	if (result != pixbuf)	646	if (result != pixbuf)
855	g_object_unref (result);	647	g_object_unref (result);
856		648
857	if (tr_flags)	649	if (need_blend)
858	XFreePixmap (dpy, root_pmap);	650	XFreePixmap (dpy, tmp_pixmap);
859		651
860	return ret;	652	return ret;
861	}	653	}
862	# endif /* HAVE_PIXBUF */	654	# endif /* HAVE_PIXBUF */
863		655
		656	# ifndef NO_RESOURCES
		657	static int
		658	rxvt_define_image (XrmDatabase *database ecb_unused,
		659	XrmBindingList bindings ecb_unused,
		660	XrmQuarkList quarks,
		661	XrmRepresentation *type ecb_unused,
		662	XrmValue *value,
		663	XPointer closure ecb_unused)
		664	{
		665	int size;
		666
		667	for (size = 0; quarks[size] != NULLQUARK; size++)
		668	;
		669
		670	if (size >= 2)
		671	{
		672	int id = strtol (XrmQuarkToString (quarks[size-2]), 0, 0);
		673	if (id >= 1)
		674	GET_R->parse_image (id, XrmQuarkToString (quarks[size-1]), (char *)value->addr);
		675	}
		676	return False;
		677	}
		678	# endif
		679
		680	void
		681	rxvt_term::parse_image (int id, const char *type, const char *arg)
		682	{
		683	if (image_vec.size () < id + 1)
		684	image_vec.resize (id + 1);
		685
		686	rxvt_image *image = &image_vec[id];
		687	}
		688
		689	rxvt_image::rxvt_image ()
		690	{
		691	alpha = 0xffff;
		692	flags = 0;
		693	h_scale =
		694	v_scale = defaultScale;
		695	h_align =
		696	v_align = defaultAlign;
		697
		698	# ifdef HAVE_PIXBUF
		699	pixbuf = 0;
		700	# endif
		701	}
		702
864	bool	703	bool
865	rxvt_term::bg_set_file (const char *file)	704	rxvt_image::set_file_geometry (const char *file)
866	{	705	{
867	if (!file || !*file)	706	if (!file || !*file)
868	return false;	707	return false;
869		708
870	if (const char *p = strchr (file, ';'))	709	const char *p = strchr (file, ';');
		710
		711	if (p)
871	{	712	{
872	size_t len = p - file;	713	size_t len = p - file;
873	char *f = rxvt_temp_buf<char> (len + 1);	714	char *f = rxvt_temp_buf<char> (len + 1);
874	memcpy (f, file, len);	715	memcpy (f, file, len);
875	f[len] = '\0';	716	f[len] = '\0';
876	file = f;	717	file = f;
877	}	718	}
878		719
879	# ifdef HAVE_AFTERIMAGE	720	bool ret = set_file (file);
880	if (!asimman)	721	alpha = 0x8000;
881	asimman = create_generic_imageman (rs[Rs_path]);	722	if (ret)
882	ASImage *image = get_asimage (asimman, file, 0xFFFFFFFF, 100);	723	set_geometry (p ? p + 1 : "");
883	if (image)	724	return ret;
884	{	725	}
885	if (original_asim)	726
886	safe_asimage_destroy (original_asim);	727	bool
887	original_asim = image;	728	rxvt_image::set_file (const char *file)
888	bg_flags |= BG_IS_FROM_FILE | BG_CLIENT_RENDER;	729	{
889	return true;	730	bool ret = false;
890	}
891	# endif
892		731
893	# ifdef HAVE_PIXBUF	732	# ifdef HAVE_PIXBUF
894	GdkPixbuf *image = gdk_pixbuf_new_from_file (file, NULL);	733	GdkPixbuf *image = gdk_pixbuf_new_from_file (file, NULL);
895	if (image)	734	if (image)
896	{	735	{
897	if (pixbuf)	736	if (pixbuf)
898	g_object_unref (pixbuf);	737	g_object_unref (pixbuf);
899	pixbuf = image;	738	pixbuf = image;
900	bg_flags |= BG_IS_FROM_FILE;
901	return true;	739	ret = true;
902	}	740	}
903	# endif	741	# endif
904		742
		743	if (ret)
		744	flags |= IM_IS_SET;
		745
905	return false;	746	return ret;
906	}	747	}
907		748
908	# endif /* BG_IMAGE_FROM_FILE */	749	# endif /* BG_IMAGE_FROM_FILE */
909		750
910	# ifdef ENABLE_TRANSPARENCY
911	bool	751	bool
912	rxvt_term::bg_set_transparent ()	752	image_effects::set_blur (const char *geom)
913	{
914	if (!(bg_flags & BG_IS_TRANSPARENT))
915	{
916	bg_flags |= BG_IS_TRANSPARENT;
917	return true;
918	}
919
920	return false;
921	}
922
923	bool
924	rxvt_term::bg_set_blur (const char *geom)
925	{	753	{
926	bool changed = false;	754	bool changed = false;
927	unsigned int hr, vr;	755	unsigned int hr, vr;
928	int junk;	756	int junk;
929	int geom_flags = XParseGeometry (geom, &junk, &junk, &hr, &vr);	757	int geom_flags = XParseGeometry (geom, &junk, &junk, &hr, &vr);
…		…
946	{	774	{
947	changed = true;	775	changed = true;
948	v_blurRadius = vr;	776	v_blurRadius = vr;
949	}	777	}
950		778
951	if (v_blurRadius == 0 && h_blurRadius == 0)
952	bg_flags &= ~BG_NEEDS_BLUR;
953	else
954	bg_flags |= BG_NEEDS_BLUR;
955
956	return changed;	779	return changed;
957	}	780	}
958		781
959	void
960	rxvt_term::set_tint_shade_flags ()
961	{
962	rgba c (rgba::MAX_CC,rgba::MAX_CC,rgba::MAX_CC);
963	bool has_shade = shade != 100;
964
965	bg_flags &= ~BG_TINT_FLAGS;
966
967	if (bg_flags & BG_TINT_SET)
968	{
969	tint.get (c);
970	if (!has_shade
971	&& (c.r <= 0x00ff || c.r >= 0xff00)
972	&& (c.g <= 0x00ff || c.g >= 0xff00)
973	&& (c.b <= 0x00ff || c.b >= 0xff00))
974	bg_flags |= BG_TINT_BITAND;
975	}
976
977	if (has_shade || (bg_flags & BG_TINT_SET))
978	bg_flags |= BG_NEEDS_TINT;
979	}
980
981	bool	782	bool
982	rxvt_term::bg_set_tint (rxvt_color &new_tint)	783	image_effects::set_tint (const rxvt_color &new_tint)
983	{	784	{
984	if (!(bg_flags & BG_TINT_SET) || tint != new_tint)	785	if (!tint_set || tint != new_tint)
985	{	786	{
986	tint = new_tint;	787	tint = new_tint;
987	bg_flags |= BG_TINT_SET;	788	tint_set = true;
988	set_tint_shade_flags ();	789
989	return true;	790	return true;
990	}	791	}
991		792
992	return false;	793	return false;
993	}	794	}
994		795
995	bool	796	bool
996	rxvt_term::bg_set_shade (const char *shade_str)	797	image_effects::set_shade (const char *shade_str)
997	{	798	{
998	int new_shade = (shade_str) ? atoi (shade_str) : 100;	799	int new_shade = atoi (shade_str);
999		800
1000	clamp_it (new_shade, -100, 200);	801	clamp_it (new_shade, -100, 200);
1001	if (new_shade < 0)	802	if (new_shade < 0)
1002	new_shade = 200 - (100 + new_shade);	803	new_shade = 200 - (100 + new_shade);
1003		804
1004	if (new_shade != shade)	805	if (new_shade != shade)
1005	{	806	{
1006	shade = new_shade;	807	shade = new_shade;
1007	set_tint_shade_flags ();
1008	return true;	808	return true;
1009	}	809	}
1010		810
1011	return false;	811	return false;
1012	}	812	}
…		…
1033	params[i+2] = XDoubleToFixed (kernel[i] / sum);	833	params[i+2] = XDoubleToFixed (kernel[i] / sum);
1034	}	834	}
1035	#endif	835	#endif
1036		836
1037	bool	837	bool
1038	rxvt_term::blur_pixmap (Pixmap pixmap, Visual *visual, int width, int height)	838	rxvt_term::blur_pixmap (Pixmap pixmap, int width, int height, bool argb, int h_blurRadius, int v_blurRadius)
1039	{	839	{
1040	bool ret = false;	840	bool ret = false;
1041	#if XRENDER	841	#if XRENDER
		842	if (!(display->flags & DISPLAY_HAS_RENDER_CONV))
		843	return false;
		844
1042	int size = max (h_blurRadius, v_blurRadius) * 2 + 1;	845	int size = max (h_blurRadius, v_blurRadius) * 2 + 1;
1043	double *kernel = (double *)malloc (size * sizeof (double));	846	double *kernel = (double *)malloc (size * sizeof (double));
1044	XFixed *params = (XFixed *)malloc ((size + 2) * sizeof (XFixed));	847	XFixed *params = (XFixed *)malloc ((size + 2) * sizeof (XFixed));
1045		848
1046	XRenderPictureAttributes pa;	849	XRenderPictureAttributes pa;
1047	XRenderPictFormat *format = XRenderFindVisualFormat (dpy, visual);	850	XRenderPictFormat *format = argb ? XRenderFindStandardFormat (dpy, PictStandardARGB32)
		851	: XRenderFindVisualFormat (dpy, visual);
1048		852
		853	pa.repeat = RepeatPad;
1049	Picture src = XRenderCreatePicture (dpy, pixmap, format, 0, &pa);	854	Picture src = XRenderCreatePicture (dpy, pixmap, format, CPRepeat, &pa);
		855	Pixmap tmp = XCreatePixmap (dpy, pixmap, width, height, depth);
1050	Picture dst = XRenderCreatePicture (dpy, pixmap, format, 0, &pa);	856	Picture dst = XRenderCreatePicture (dpy, tmp, format, CPRepeat, &pa);
		857	XFreePixmap (dpy, tmp);
1051		858
1052	if (kernel && params)	859	if (kernel && params)
1053	{	860	{
1054	if (h_blurRadius)
1055	{
1056	size = h_blurRadius * 2 + 1;	861	size = h_blurRadius * 2 + 1;
1057	get_gaussian_kernel (h_blurRadius, size, kernel, params);	862	get_gaussian_kernel (h_blurRadius, size, kernel, params);
1058		863
1059	XRenderSetPictureFilter (dpy, src, FilterConvolution, params, size+2);	864	XRenderSetPictureFilter (dpy, src, FilterConvolution, params, size+2);
1060	XRenderComposite (dpy,	865	XRenderComposite (dpy,
1061	PictOpSrc,	866	PictOpSrc,
1062	src,	867	src,
1063	None,	868	None,
1064	dst,	869	dst,
1065	0, 0,	870	0, 0,
1066	0, 0,	871	0, 0,
1067	0, 0,	872	0, 0,
1068	width, height);	873	width, height);
1069	}
1070		874
1071	if (v_blurRadius)	875	::swap (src, dst);
1072	{	876
1073	size = v_blurRadius * 2 + 1;	877	size = v_blurRadius * 2 + 1;
1074	get_gaussian_kernel (v_blurRadius, size, kernel, params);	878	get_gaussian_kernel (v_blurRadius, size, kernel, params);
1075	::swap (params[0], params[1]);	879	::swap (params[0], params[1]);
1076		880
1077	XRenderSetPictureFilter (dpy, src, FilterConvolution, params, size+2);	881	XRenderSetPictureFilter (dpy, src, FilterConvolution, params, size+2);
1078	XRenderComposite (dpy,	882	XRenderComposite (dpy,
1079	PictOpSrc,	883	PictOpSrc,
1080	src,	884	src,
1081	None,	885	None,
1082	dst,	886	dst,
1083	0, 0,	887	0, 0,
1084	0, 0,	888	0, 0,
1085	0, 0,	889	0, 0,
1086	width, height);	890	width, height);
1087	}
1088		891
1089	ret = true;	892	ret = true;
1090	}	893	}
1091		894
1092	free (kernel);	895	free (kernel);
…		…
1096	#endif	899	#endif
1097	return ret;	900	return ret;
1098	}	901	}
1099		902
1100	bool	903	bool
1101	rxvt_term::tint_pixmap (Pixmap pixmap, Visual *visual, int width, int height)	904	rxvt_term::tint_pixmap (Pixmap pixmap, int width, int height, bool argb, rxvt_color &tint, bool tint_set, int shade)
1102	{	905	{
1103	bool ret = false;	906	bool ret = false;
1104		907
1105	if (bg_flags & BG_TINT_BITAND)	908	rgba c (rgba::MAX_CC, rgba::MAX_CC, rgba::MAX_CC);
		909
		910	if (tint_set)
		911	tint.get (c);
		912
		913	if (shade == 100
		914	&& (c.r <= 0x00ff || c.r >= 0xff00)
		915	&& (c.g <= 0x00ff || c.g >= 0xff00)
		916	&& (c.b <= 0x00ff || c.b >= 0xff00))
1106	{	917	{
1107	XGCValues gcv;	918	XGCValues gcv;
1108	GC gc;	919	GC gc;
1109		920
1110	/* In this case we can tint image server-side getting significant	921	/* In this case we can tint image server-side getting significant
…		…
1119	XFillRectangle (dpy, pixmap, gc, 0, 0, width, height);	930	XFillRectangle (dpy, pixmap, gc, 0, 0, width, height);
1120	ret = true;	931	ret = true;
1121	XFreeGC (dpy, gc);	932	XFreeGC (dpy, gc);
1122	}	933	}
1123	}	934	}
1124	else
1125	{
1126	# if XRENDER	935	# if XRENDER
1127	rgba c (rgba::MAX_CC, rgba::MAX_CC, rgba::MAX_CC);	936	else if (display->flags & DISPLAY_HAS_RENDER)
1128		937	{
1129	if (bg_flags & BG_TINT_SET)
1130	tint.get (c);
1131
1132	if (shade <= 100)	938	if (shade <= 100)
1133	{	939	{
1134	c.r = c.r * shade / 100;	940	c.r = c.r * shade / 100;
1135	c.g = c.g * shade / 100;	941	c.g = c.g * shade / 100;
1136	c.b = c.b * shade / 100;	942	c.b = c.b * shade / 100;
…		…
1140	c.r = c.r * (200 - shade) / 100;	946	c.r = c.r * (200 - shade) / 100;
1141	c.g = c.g * (200 - shade) / 100;	947	c.g = c.g * (200 - shade) / 100;
1142	c.b = c.b * (200 - shade) / 100;	948	c.b = c.b * (200 - shade) / 100;
1143	}	949	}
1144		950
1145	XRenderPictFormat *solid_format = XRenderFindStandardFormat (dpy, PictStandardARGB32);	951	XRenderPictFormat *format = argb ? XRenderFindStandardFormat (dpy, PictStandardARGB32)
1146	XRenderPictFormat *format = XRenderFindVisualFormat (dpy, visual);	952	: XRenderFindVisualFormat (dpy, visual);
1147	XRenderPictureAttributes pa;
1148		953
1149	Picture back_pic = XRenderCreatePicture (dpy, pixmap, format, 0, &pa);	954	Picture back_pic = XRenderCreatePicture (dpy, pixmap, format, 0, 0);
1150		955
1151	pa.repeat = True;	956	Picture overlay_pic = create_xrender_mask (dpy, pixmap, True, False);
1152		957
1153	Pixmap overlay_pmap = XCreatePixmap (dpy, pixmap, 1, 1, 32);	958	Picture mask_pic = create_xrender_mask (dpy, pixmap, True, True);
1154	Picture overlay_pic = XRenderCreatePicture (dpy, overlay_pmap, solid_format, CPRepeat, &pa);
1155	XFreePixmap (dpy, overlay_pmap);
1156
1157	pa.component_alpha = True;
1158	Pixmap mask_pmap = XCreatePixmap (dpy, pixmap, 1, 1, 32);
1159	Picture mask_pic = XRenderCreatePicture (dpy, mask_pmap, solid_format, CPRepeat | CPComponentAlpha, &pa);
1160	XFreePixmap (dpy, mask_pmap);
1161		959
1162	XRenderColor mask_c;	960	XRenderColor mask_c;
1163		961
1164	mask_c.alpha = 0xffff;	962	mask_c.alpha = 0xffff;
1165	mask_c.red =	963	mask_c.red =
…		…
1170	mask_c.alpha = 0;	968	mask_c.alpha = 0;
1171	mask_c.red = 0xffff - c.r;	969	mask_c.red = 0xffff - c.r;
1172	mask_c.green = 0xffff - c.g;	970	mask_c.green = 0xffff - c.g;
1173	mask_c.blue = 0xffff - c.b;	971	mask_c.blue = 0xffff - c.b;
1174	XRenderFillRectangle (dpy, PictOpSrc, mask_pic, &mask_c, 0, 0, 1, 1);	972	XRenderFillRectangle (dpy, PictOpSrc, mask_pic, &mask_c, 0, 0, 1, 1);
		973
1175	XRenderComposite (dpy, PictOpOver, overlay_pic, mask_pic, back_pic, 0, 0, 0, 0, 0, 0, width, height);	974	XRenderComposite (dpy, PictOpOver, overlay_pic, mask_pic, back_pic, 0, 0, 0, 0, 0, 0, width, height);
1176		975
1177	if (shade > 100)	976	if (shade > 100)
1178	{	977	{
1179	mask_c.red = mask_c.green = mask_c.blue = 0xffff * (shade - 100) / 100;
1180	mask_c.alpha = 0;	978	mask_c.alpha = 0;
		979	mask_c.red =
		980	mask_c.green =
		981	mask_c.blue = 0xffff * (shade - 100) / 100;
1181	XRenderFillRectangle (dpy, PictOpSrc, overlay_pic, &mask_c, 0, 0, 1, 1);	982	XRenderFillRectangle (dpy, PictOpSrc, overlay_pic, &mask_c, 0, 0, 1, 1);
1182		983
1183	XRenderComposite (dpy, PictOpOver, overlay_pic, None, back_pic, 0, 0, 0, 0, 0, 0, width, height);	984	XRenderComposite (dpy, PictOpOver, overlay_pic, None, back_pic, 0, 0, 0, 0, 0, 0, width, height);
1184	}	985	}
1185		986
1186	ret = true;	987	ret = true;
1187		988
1188	XRenderFreePicture (dpy, mask_pic);	989	XRenderFreePicture (dpy, mask_pic);
1189	XRenderFreePicture (dpy, overlay_pic);	990	XRenderFreePicture (dpy, overlay_pic);
1190	XRenderFreePicture (dpy, back_pic);	991	XRenderFreePicture (dpy, back_pic);
		992	}
1191	# endif	993	# endif
1192	}
1193		994
1194	return ret;	995	return ret;
1195	}	996	}
1196		997
		998	# ifdef ENABLE_TRANSPARENCY
1197	/*	999	/*
1198	* Builds a pixmap of the same size as the terminal window that contains	1000	* Builds a pixmap of the same size as the terminal window that contains
1199	* the tiled portion of the root pixmap that is supposed to be covered by	1001	* the tiled portion of the root pixmap that is supposed to be covered by
1200	* our window.	1002	* our window.
1201	*/	1003	*/
1202	unsigned long	1004	bool
1203	rxvt_term::make_transparency_pixmap ()	1005	rxvt_term::render_root_image ()
1204	{	1006	{
1205	unsigned long result = 0;	1007	bool ret = false;
1206		1008
1207	/* root dimensions may change from call to call - but Display structure should	1009	/* root dimensions may change from call to call - but Display structure should
1208	* be always up-to-date, so let's use it :	1010	* be always up-to-date, so let's use it :
1209	*/	1011	*/
1210	int screen = display->screen;	1012	int screen = display->screen;
…		…
1244	Pixmap recoded_root_pmap = root_pixmap;	1046	Pixmap recoded_root_pmap = root_pixmap;
1245		1047
1246	if (root_pixmap != None && root_depth != depth)	1048	if (root_pixmap != None && root_depth != depth)
1247	{	1049	{
1248	#if XRENDER	1050	#if XRENDER
1249	if (bg_flags & BG_HAS_RENDER)	1051	if (display->flags & DISPLAY_HAS_RENDER)
1250	{	1052	{
1251	recoded_root_pmap = XCreatePixmap (dpy, vt, root_pmap_width, root_pmap_height, depth);	1053	recoded_root_pmap = XCreatePixmap (dpy, vt, root_pmap_width, root_pmap_height, depth);
1252		1054
1253	XRenderPictureAttributes pa;
1254
1255	XRenderPictFormat *src_format = XRenderFindVisualFormat (dpy, DefaultVisual (dpy, screen));	1055	XRenderPictFormat *src_format = XRenderFindVisualFormat (dpy, DefaultVisual (dpy, screen));
1256	Picture src = XRenderCreatePicture (dpy, root_pixmap, src_format, 0, &pa);	1056	Picture src = XRenderCreatePicture (dpy, root_pixmap, src_format, 0, 0);
1257		1057
1258	XRenderPictFormat *dst_format = XRenderFindVisualFormat (dpy, visual);	1058	XRenderPictFormat *dst_format = XRenderFindVisualFormat (dpy, visual);
1259	Picture dst = XRenderCreatePicture (dpy, recoded_root_pmap, dst_format, 0, &pa);	1059	Picture dst = XRenderCreatePicture (dpy, recoded_root_pmap, dst_format, 0, 0);
1260		1060
1261	XRenderComposite (dpy, PictOpSrc, src, None, dst, 0, 0, 0, 0, 0, 0, root_pmap_width, root_pmap_height);	1061	XRenderComposite (dpy, PictOpSrc, src, None, dst, 0, 0, 0, 0, 0, 0, root_pmap_width, root_pmap_height);
1262		1062
1263	XRenderFreePicture (dpy, src);	1063	XRenderFreePicture (dpy, src);
1264	XRenderFreePicture (dpy, dst);	1064	XRenderFreePicture (dpy, dst);
…		…
1281	bg_pmap_width = window_width;	1081	bg_pmap_width = window_width;
1282	bg_pmap_height = window_height;	1082	bg_pmap_height = window_height;
1283	}	1083	}
1284		1084
1285	/* straightforward pixmap copy */	1085	/* straightforward pixmap copy */
1286	while (sx < 0) sx += root_width;	1086	while (sx < 0) sx += root_pmap_width;
1287	while (sy < 0) sy += root_height;	1087	while (sy < 0) sy += root_pmap_height;
1288		1088
1289	gcv.tile = recoded_root_pmap;	1089	gcv.tile = recoded_root_pmap;
1290	gcv.fill_style = FillTiled;	1090	gcv.fill_style = FillTiled;
1291	gcv.ts_x_origin = -sx;	1091	gcv.ts_x_origin = -sx;
1292	gcv.ts_y_origin = -sy;	1092	gcv.ts_y_origin = -sy;
1293	gc = XCreateGC (dpy, vt, GCFillStyle | GCTile | GCTileStipXOrigin | GCTileStipYOrigin, &gcv);	1093	gc = XCreateGC (dpy, vt, GCFillStyle | GCTile | GCTileStipXOrigin | GCTileStipYOrigin, &gcv);
1294		1094
1295	if (gc)	1095	if (gc)
1296	{	1096	{
1297	XFillRectangle (dpy, bg_pixmap, gc, 0, 0, window_width, window_height);	1097	XFillRectangle (dpy, bg_pixmap, gc, 0, 0, window_width, window_height);
1298	result |= BG_IS_VALID | (bg_flags & BG_EFFECTS_FLAGS);	1098	ret = true;
		1099	bool need_blur = root_effects.need_blur ();
		1100	bool need_tint = root_effects.need_tint ();
		1101
		1102	if (need_blur)
		1103	{
		1104	if (blur_pixmap (bg_pixmap, window_width, window_height, false,
		1105	root_effects.h_blurRadius, root_effects.v_blurRadius))
		1106	need_blur = false;
		1107	}
		1108	if (need_tint)
		1109	{
		1110	if (tint_pixmap (bg_pixmap, window_width, window_height, false,
		1111	root_effects.tint, root_effects.tint_set, root_effects.shade))
		1112	need_tint = false;
		1113	}
		1114	if (need_tint)
		1115	{
		1116	XImage *ximage = XGetImage (dpy, bg_pixmap, 0, 0, bg_pmap_width, bg_pmap_height, AllPlanes, ZPixmap);
		1117	if (ximage)
		1118	{
		1119	/* our own client-side tinting */
		1120	tint_ximage (ximage, root_effects.tint, root_effects.tint_set, root_effects.shade);
		1121
		1122	XPutImage (dpy, bg_pixmap, gc, ximage, 0, 0, 0, 0, ximage->width, ximage->height);
		1123	XDestroyImage (ximage);
		1124	}
		1125	}
		1126
1299	XFreeGC (dpy, gc);	1127	XFreeGC (dpy, gc);
1300
1301	if (!(bg_flags & BG_CLIENT_RENDER))
1302	{
1303	if ((bg_flags & BG_NEEDS_BLUR)
1304	&& (bg_flags & BG_HAS_RENDER_CONV))
1305	{
1306	if (blur_pixmap (bg_pixmap, visual, window_width, window_height))
1307	result &= ~BG_NEEDS_BLUR;
1308	}
1309	if ((bg_flags & BG_NEEDS_TINT)
1310	&& (bg_flags & (BG_TINT_BITAND | BG_HAS_RENDER)))
1311	{
1312	if (tint_pixmap (bg_pixmap, visual, window_width, window_height))
1313	result &= ~BG_NEEDS_TINT;
1314	}
1315	} /* server side rendering completed */
1316	}	1128	}
1317		1129
1318	if (recoded_root_pmap != root_pixmap)	1130	if (recoded_root_pmap != root_pixmap)
1319	XFreePixmap (dpy, recoded_root_pmap);	1131	XFreePixmap (dpy, recoded_root_pmap);
1320		1132
1321	return result;	1133	return ret;
1322	}	1134	}
1323		1135
1324	void	1136	void
1325	rxvt_term::bg_set_root_pixmap ()	1137	rxvt_term::bg_set_root_pixmap ()
1326	{	1138	{
…		…
1330		1142
1331	root_pixmap = new_root_pixmap;	1143	root_pixmap = new_root_pixmap;
1332	}	1144	}
1333	# endif /* ENABLE_TRANSPARENCY */	1145	# endif /* ENABLE_TRANSPARENCY */
1334		1146
1335	#if defined(ENABLE_TRANSPARENCY) && !defined(HAVE_AFTERIMAGE)
1336	static void shade_ximage (Visual *visual, XImage *ximage, int shade, const rgba &c);
1337	# endif
1338
1339	bool	1147	bool
1340	rxvt_term::bg_render ()	1148	rxvt_term::bg_render ()
1341	{	1149	{
1342	unsigned long tr_flags = 0;
1343
1344	bg_invalidate ();	1150	bg_invalidate ();
1345	# ifdef ENABLE_TRANSPARENCY	1151	# ifdef ENABLE_TRANSPARENCY
1346	if (bg_flags & BG_IS_TRANSPARENT)	1152	if (bg_flags & BG_IS_TRANSPARENT)
1347	{	1153	{
1348	/* we need to re-generate transparency pixmap in that case ! */	1154	/* we need to re-generate transparency pixmap in that case ! */
1349	tr_flags = make_transparency_pixmap ();	1155	if (render_root_image ())
1350	if (tr_flags == 0)
1351	return false;
1352	else if (!(tr_flags & BG_EFFECTS_FLAGS))
1353	bg_flags |= BG_IS_VALID;	1156	bg_flags |= BG_IS_VALID;
1354	}	1157	}
1355	# endif	1158	# endif
1356		1159
1357	# ifdef BG_IMAGE_FROM_FILE	1160	# ifdef BG_IMAGE_FROM_FILE
1358	if ((bg_flags & BG_IS_FROM_FILE)	1161	for (vector<rxvt_image>::iterator bg_image = image_vec.begin (); bg_image < image_vec.end (); bg_image++)
1359	|| (tr_flags & BG_EFFECTS_FLAGS))
1360	{	1162	{
1361	if (render_image (tr_flags))	1163	if (render_image (*bg_image))
1362	bg_flags |= BG_IS_VALID;	1164	bg_flags |= BG_IS_VALID;
1363	}
1364	# endif
1365
1366	# if defined(ENABLE_TRANSPARENCY) && !defined(HAVE_AFTERIMAGE)
1367	XImage *result = NULL;
1368
1369	if (tr_flags && !(bg_flags & BG_IS_VALID))
1370	{
1371	result = XGetImage (dpy, bg_pixmap, 0, 0, bg_pmap_width, bg_pmap_height, AllPlanes, ZPixmap);
1372	}
1373
1374	if (result)
1375	{
1376	/* our own client-side tinting */
1377	if (tr_flags & BG_NEEDS_TINT)
1378	{
1379	rgba c (rgba::MAX_CC,rgba::MAX_CC,rgba::MAX_CC);
1380	if (bg_flags & BG_TINT_SET)
1381	tint.get (c);
1382	shade_ximage (DefaultVisual (dpy, display->screen), result, shade, c);
1383	}
1384
1385	GC gc = XCreateGC (dpy, vt, 0UL, NULL);
1386
1387	if (gc)
1388	{
1389	XPutImage (dpy, bg_pixmap, gc, result, 0, 0, 0, 0, result->width, result->height);
1390
1391	XFreeGC (dpy, gc);
1392	bg_flags |= BG_IS_VALID;
1393	}
1394
1395	XDestroyImage (result);
1396	}	1165	}
1397	# endif	1166	# endif
1398		1167
1399	if (!(bg_flags & BG_IS_VALID))	1168	if (!(bg_flags & BG_IS_VALID))
1400	{	1169	{
…		…
1414	}	1183	}
1415		1184
1416	void	1185	void
1417	rxvt_term::bg_init ()	1186	rxvt_term::bg_init ()
1418	{	1187	{
1419	#ifdef ENABLE_TRANSPARENCY	1188	#ifdef BG_IMAGE_FROM_FILE
1420	shade = 100;	1189	if (rs[Rs_backgroundPixmap])
		1190	{
		1191	rxvt_image *image = new_image ();
		1192	if (!image->set_file_geometry (rs[Rs_backgroundPixmap]))
		1193	image_vec.pop_back ();
		1194	}
		1195
		1196	# ifndef NO_RESOURCES
		1197	find_resources ("image", "Image", XrmEnumAllLevels, rxvt_define_image);
		1198	# endif
		1199
		1200	vector<rxvt_image>::iterator bg_image = image_vec.begin ();
		1201	while (bg_image != image_vec.end ())
		1202	{
		1203	if (!(bg_image->flags & IM_IS_SET))
		1204	bg_image = image_vec.erase (bg_image);
		1205	else
		1206	{
		1207	if (bg_image->is_size_sensitive ())
		1208	bg_image->flags |= IM_IS_SIZE_SENSITIVE;
		1209
		1210	bg_image++;
		1211	}
		1212	}
		1213
		1214	if (image_vec.size () > 0
		1215	&& !bg_window_position_sensitive ())
		1216	update_background ();
1421	#endif	1217	#endif
1422
1423	bg_flags &= ~(BG_HAS_RENDER | BG_HAS_RENDER_CONV);
1424	#if XRENDER
1425	int major, minor;
1426	if (XRenderQueryVersion (dpy, &major, &minor))
1427	bg_flags |= BG_HAS_RENDER;
1428	XFilters *filters = XRenderQueryFilters (dpy, vt);
1429	if (filters)
1430	{
1431	for (int i = 0; i < filters->nfilter; i++)
1432	if (!strcmp (filters->filter[i], FilterConvolution))
1433	bg_flags |= BG_HAS_RENDER_CONV;
1434
1435	XFree (filters);
1436	}
1437	#endif
1438	}	1218	}
1439		1219
1440	#endif /* HAVE_BG_PIXMAP */
1441
1442	#if defined(ENABLE_TRANSPARENCY) && !defined(HAVE_AFTERIMAGE)
1443	/* taken from aterm-0.4.2 */	1220	/* based on code from aterm-0.4.2 */
1444		1221
1445	static void	1222	static inline void
1446	shade_ximage (Visual *visual, XImage *ximage, int shade, const rgba &c)	1223	fill_lut (uint32_t *lookup, uint32_t mask, int sh, unsigned short low, unsigned short high)
1447	{	1224	{
		1225	for (int i = 0; i <= mask >> sh; i++)
		1226	{
		1227	uint32_t tmp;
		1228	tmp = i * high;
		1229	tmp += (mask >> sh) * low;
		1230	lookup[i] = (tmp / 0xffff) << sh;
		1231	}
		1232	}
		1233
		1234	void
		1235	rxvt_term::tint_ximage (XImage *ximage, rxvt_color &tint, bool tint_set, int shade)
		1236	{
		1237	unsigned int size_r, size_g, size_b;
1448	int sh_r, sh_g, sh_b;	1238	int sh_r, sh_g, sh_b;
1449	uint32_t mask_r, mask_g, mask_b;	1239	uint32_t mask_r, mask_g, mask_b;
1450	uint32_t *lookup, *lookup_r, *lookup_g, *lookup_b;	1240	uint32_t *lookup, *lookup_r, *lookup_g, *lookup_b;
1451	rgba low;	1241	unsigned short low;
1452	rgba high;
1453	int i;
1454	int host_byte_order = ecb_big_endian () ? MSBFirst : LSBFirst;	1242	int host_byte_order = ecb_big_endian () ? MSBFirst : LSBFirst;
1455		1243
1456	if (visual->c_class != TrueColor || ximage->format != ZPixmap) return;	1244	if (visual->c_class != TrueColor || ximage->format != ZPixmap) return;
1457		1245
1458	/* for convenience */	1246	/* for convenience */
1459	mask_r = visual->red_mask;	1247	mask_r = visual->red_mask;
1460	mask_g = visual->green_mask;	1248	mask_g = visual->green_mask;
1461	mask_b = visual->blue_mask;	1249	mask_b = visual->blue_mask;
1462		1250
1463	/* boring lookup table pre-initialization */	1251	/* boring lookup table pre-initialization */
1464	switch (ximage->depth)	1252	sh_r = ecb_ctz32 (mask_r);
1465	{	1253	sh_g = ecb_ctz32 (mask_g);
1466	case 15:	1254	sh_b = ecb_ctz32 (mask_b);
1467	if ((mask_r != 0x7c00) ||	1255
1468	(mask_g != 0x03e0) ||	1256	size_r = mask_r >> sh_r;
1469	(mask_b != 0x001f))	1257	size_g = mask_g >> sh_g;
		1258	size_b = mask_b >> sh_b;
		1259
		1260	if (size_r++ > 255 || size_g++ > 255 || size_b++ > 255)
1470	return;	1261	return;
1471	lookup = (uint32_t *) malloc (sizeof (uint32_t)*(32+32+32));	1262
		1263	lookup = (uint32_t *)malloc (sizeof (uint32_t) * (size_r + size_g + size_b));
1472	lookup_r = lookup;	1264	lookup_r = lookup;
1473	lookup_g = lookup+32;	1265	lookup_g = lookup + size_r;
1474	lookup_b = lookup+32+32;	1266	lookup_b = lookup + size_r + size_g;
1475	sh_r = 10;	1267
1476	sh_g = 5;	1268	rgba c (rgba::MAX_CC, rgba::MAX_CC, rgba::MAX_CC);
1477	sh_b = 0;	1269
1478	break;	1270	if (tint_set)
1479	case 16:	1271	tint.get (c);
1480	if ((mask_r != 0xf800) ||
1481	(mask_g != 0x07e0) ||
1482	(mask_b != 0x001f))
1483	return;
1484	lookup = (uint32_t *) malloc (sizeof (uint32_t)*(32+64+32));
1485	lookup_r = lookup;
1486	lookup_g = lookup+32;
1487	lookup_b = lookup+32+64;
1488	sh_r = 11;
1489	sh_g = 5;
1490	sh_b = 0;
1491	break;
1492	case 24:
1493	if ((mask_r != 0xff0000) ||
1494	(mask_g != 0x00ff00) ||
1495	(mask_b != 0x0000ff))
1496	return;
1497	lookup = (uint32_t *) malloc (sizeof (uint32_t)*(256+256+256));
1498	lookup_r = lookup;
1499	lookup_g = lookup+256;
1500	lookup_b = lookup+256+256;
1501	sh_r = 16;
1502	sh_g = 8;
1503	sh_b = 0;
1504	break;
1505	case 32:
1506	if ((mask_r != 0xff0000) ||
1507	(mask_g != 0x00ff00) ||
1508	(mask_b != 0x0000ff))
1509	return;
1510	lookup = (uint32_t *) malloc (sizeof (uint32_t)*(256+256+256));
1511	lookup_r = lookup;
1512	lookup_g = lookup+256;
1513	lookup_b = lookup+256+256;
1514	sh_r = 16;
1515	sh_g = 8;
1516	sh_b = 0;
1517	break;
1518	default:
1519	return; /* we do not support this color depth */
1520	}
1521		1272
1522	/* prepare limits for color transformation (each channel is handled separately) */	1273	/* prepare limits for color transformation (each channel is handled separately) */
1523	if (shade > 100)	1274	if (shade > 100)
1524	{	1275	{
1525	shade = 200 - shade;
1526
1527	high.r = c.r * shade / 100;
1528	high.g = c.g * shade / 100;
1529	high.b = c.b * shade / 100;
1530
1531	low.r = 65535 * (100 - shade) / 100;	1276	c.r = c.r * (200 - shade) / 100;
1532	low.g = 65535 * (100 - shade) / 100;	1277	c.g = c.g * (200 - shade) / 100;
1533	low.b = 65535 * (100 - shade) / 100;	1278	c.b = c.b * (200 - shade) / 100;
		1279
		1280	low = 0xffff * (shade - 100) / 100;
1534	}	1281	}
1535	else	1282	else
1536	{	1283	{
1537	high.r = c.r * shade / 100;	1284	c.r = c.r * shade / 100;
1538	high.g = c.g * shade / 100;	1285	c.g = c.g * shade / 100;
1539	high.b = c.b * shade / 100;	1286	c.b = c.b * shade / 100;
1540		1287
1541	low.r = low.g = low.b = 0;	1288	low = 0;
1542	}	1289	}
1543		1290
1544	/* fill our lookup tables */	1291	/* fill our lookup tables */
1545	for (i = 0; i <= mask_r>>sh_r; i++)	1292	fill_lut (lookup_r, mask_r, sh_r, low, c.r);
1546	{	1293	fill_lut (lookup_g, mask_g, sh_g, low, c.g);
1547	uint32_t tmp;	1294	fill_lut (lookup_b, mask_b, sh_b, low, c.b);
1548	tmp = i * high.r;
1549	tmp += (mask_r>>sh_r) * low.r;
1550	lookup_r[i] = (tmp/65535)<<sh_r;
1551	}
1552	for (i = 0; i <= mask_g>>sh_g; i++)
1553	{
1554	uint32_t tmp;
1555	tmp = i * high.g;
1556	tmp += (mask_g>>sh_g) * low.g;
1557	lookup_g[i] = (tmp/65535)<<sh_g;
1558	}
1559	for (i = 0; i <= mask_b>>sh_b; i++)
1560	{
1561	uint32_t tmp;
1562	tmp = i * high.b;
1563	tmp += (mask_b>>sh_b) * low.b;
1564	lookup_b[i] = (tmp/65535)<<sh_b;
1565	}
1566		1295
1567	/* apply table to input image (replacing colors by newly calculated ones) */	1296	/* apply table to input image (replacing colors by newly calculated ones) */
1568	if (ximage->bits_per_pixel == 32	1297	if (ximage->bits_per_pixel == 32
1569	&& (ximage->depth == 24 || ximage->depth == 32)
1570	&& ximage->byte_order == host_byte_order)	1298	&& ximage->byte_order == host_byte_order)
1571	{	1299	{
1572	uint32_t *p1, *pf, *p, *pl;	1300	char *line = ximage->data;
1573	p1 = (uint32_t *) ximage->data;
1574	pf = (uint32_t *) (ximage->data + ximage->height * ximage->bytes_per_line);
1575		1301
1576	while (p1 < pf)	1302	for (int y = 0; y < ximage->height; y++)
1577	{	1303	{
1578	p = p1;	1304	uint32_t *p = (uint32_t *)line;
1579	pl = p1 + ximage->width;	1305	for (int x = 0; x < ximage->width; x++)
1580	for (; p < pl; p++)
1581	{	1306	{
1582	*p = lookup_r[(*p & 0xff0000) >> 16] |	1307	*p = lookup_r[(*p & mask_r) >> sh_r] |
1583	lookup_g[(*p & 0x00ff00) >> 8] |	1308	lookup_g[(*p & mask_g) >> sh_g] |
1584	lookup_b[(*p & 0x0000ff)] |	1309	lookup_b[(*p & mask_b) >> sh_b];
1585	(*p & 0xff000000);	1310	p++;
1586	}	1311	}
1587	p1 = (uint32_t *) ((char *) p1 + ximage->bytes_per_line);	1312	line += ximage->bytes_per_line;
1588	}	1313	}
1589	}	1314	}
1590	else	1315	else
1591	{	1316	{
1592	for (int y = 0; y < ximage->height; y++)	1317	for (int y = 0; y < ximage->height; y++)
…		…
1600	}	1325	}
1601	}	1326	}
1602		1327
1603	free (lookup);	1328	free (lookup);
1604	}	1329	}
1605	#endif /* defined(ENABLE_TRANSPARENCY) && !defined(HAVE_AFTERIMAGE) */	1330
		1331	#endif /* HAVE_BG_PIXMAP */

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