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Comparing rxvt-unicode/src/background.C (file contents):
Revision 1.187 by sf-exg, Wed Dec 28 13:13:33 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	#ifndef RepeatPad
		38	#define RepeatPad True
		39	#endif
		40
37	#ifdef HAVE_BG_PIXMAP	41	#ifdef HAVE_BG_PIXMAP
		42	# if XRENDER
		43	static Picture
		44	create_xrender_mask (Display *dpy, Drawable drawable, Bool argb, Bool component_alpha)
		45	{
		46	Pixmap pixmap = XCreatePixmap (dpy, drawable, 1, 1, argb ? 32 : 8);
		47
		48	XRenderPictFormat *format = XRenderFindStandardFormat (dpy, argb ? PictStandardARGB32 : PictStandardA8);
		49	XRenderPictureAttributes pa;
		50	pa.repeat = True;
		51	pa.component_alpha = component_alpha;
		52	Picture mask = XRenderCreatePicture (dpy, pixmap, format, CPRepeat | CPComponentAlpha, &pa);
		53
		54	XFreePixmap (dpy, pixmap);
		55
		56	return mask;
		57	}
		58	# endif
		59
38	void	60	void
39	rxvt_term::bg_destroy ()	61	rxvt_term::bg_destroy ()
40	{	62	{
41	#ifdef HAVE_AFTERIMAGE	63	# ifdef BG_IMAGE_FROM_FILE
42	if (original_asim)	64	for (vector<rxvt_image>::iterator bg_image = image_vec.begin (); bg_image < image_vec.end (); bg_image++)
43	safe_asimage_destroy (original_asim);	65	bg_image->destroy ();
44	if (asv)
45	destroy_asvisual (asv, 0);
46	if (asimman)
47	destroy_image_manager (asimman, 0);
48	#endif	66	# endif
49
50	#ifdef HAVE_PIXBUF
51	if (pixbuf)
52	g_object_unref (pixbuf);
53	#endif
54		67
55	if (bg_pixmap)	68	if (bg_pixmap)
56	XFreePixmap (dpy, bg_pixmap);	69	XFreePixmap (dpy, bg_pixmap);
57	}	70	}
58		71
…		…
77	if (bg_flags & BG_IS_TRANSPARENT)	90	if (bg_flags & BG_IS_TRANSPARENT)
78	return true;	91	return true;
79	# endif	92	# endif
80		93
81	# ifdef BG_IMAGE_FROM_FILE	94	# ifdef BG_IMAGE_FROM_FILE
82	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++)
83	{	96	{
84	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)
85	return true;	100	return true;
86	}	101	}
87	# endif	102	# endif
88		103
89	return false;	104	return false;
…		…
96	if (bg_flags & BG_IS_TRANSPARENT)	111	if (bg_flags & BG_IS_TRANSPARENT)
97	return true;	112	return true;
98	# endif	113	# endif
99		114
100	# ifdef BG_IMAGE_FROM_FILE	115	# ifdef BG_IMAGE_FROM_FILE
101	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++)
102	{	117	{
103	if (bg_flags & BG_ROOT_ALIGN)	118	if (bg_image->flags & IM_ROOT_ALIGN)
104	return true;	119	return true;
105	}	120	}
106	# endif	121	# endif
107		122
108	return false;	123	return false;
109	}	124	}
110		125
111	# ifdef BG_IMAGE_FROM_FILE	126	# ifdef BG_IMAGE_FROM_FILE
112	static inline bool
113	check_set_scale_value (int geom_flags, int flag, unsigned int &scale, unsigned int new_value)
114	{
115	if (geom_flags & flag)
116	{
117	if (new_value > 1000)
118	new_value = 1000;
119	if (new_value != scale)
120	{
121	scale = new_value;
122	return true;
123	}
124	}
125	return false;
126	}
127
128	static inline bool
129	check_set_align_value (int geom_flags, int flag, int &align, int new_value)
130	{
131	if (geom_flags & flag)
132	{
133	if (new_value < -100)
134	new_value = -100;
135	else if (new_value > 200)
136	new_value = 200;
137	if (new_value != align)
138	{
139	align = new_value;
140	return true;
141	}
142	}
143	return false;
144	}
145
146	static inline int	127	static inline int
147	make_align_position (int align, int window_size, int image_size)	128	make_align_position (int align, int window_size, int image_size)
148	{	129	{
149	int diff = window_size - image_size;
150	int smaller = min (image_size, window_size);
151
152	if (align >= 0 && align <= 100)	130	if (align >= 0 && align <= 100)
153	return diff * align / 100;	131	return lerp (0, window_size - image_size, align);
154	else if (align > 100 && align <= 200)	132	else if (align > 100)
155	return (align - 100) * smaller / 100 + window_size - smaller;	133	return lerp (window_size - image_size, window_size, align - 100);
156	else if (align >= -100 && align < 0)	134	else
157	return (align + 100) * smaller / 100 - image_size;	135	return lerp (-image_size, 0, align + 100);
158	return 0;
159	}	136	}
160		137
161	static inline int	138	static inline int
162	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)
163	{	140	{
…		…
169	src_pos = -pos;	146	src_pos = -pos;
170	dst_pos = 0;	147	dst_pos = 0;
171	dst_size += pos;	148	dst_size += pos;
172	}	149	}
173		150
174	if (dst_pos + dst_size > target_size)
175	dst_size = target_size - dst_pos;	151	min_it (dst_size, target_size - dst_pos);
176	return src_pos;	152	return src_pos;
177	}	153	}
178		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
179	bool	190	bool
180	rxvt_term::bg_set_geometry (const char *geom, bool update)	191	rxvt_image::set_geometry (const char *geom, bool update)
181	{	192	{
182	bool changed = false;	193	bool changed = false;
183	int geom_flags = 0;	194	int geom_flags = 0;
184	int x = 0, y = 0;	195	int x = h_align;
		196	int y = v_align;
185	unsigned int w = 0, h = 0;	197	unsigned int w = h_scale;
186	unsigned long new_flags = 0;	198	unsigned int h = v_scale;
		199	uint8_t new_flags = 0;
187		200
188	if (geom == NULL)	201	if (geom == NULL)
189	return false;	202	return false;
190		203
191	if (geom[0])	204	if (geom[0])
192	{	205	{
193	char **arr = rxvt_strsplit (':', geom);	206	char **arr = rxvt_strsplit (':', geom);
194		207
195	for (int i = 0; arr[i]; i++)	208	for (int i = 0; arr[i]; i++)
196	{	209	{
197	if (!strcasecmp (arr[i], "style=tiled"))	210	if (!strncasecmp (arr[i], "style=", 6))
198	{	211	{
199	new_flags = BG_TILE;	212	parse_style (arr[i] + 6, x, y, w, h, new_flags);
200	w = h = noScale;
201	x = y = 0;
202	geom_flags = WidthValue|HeightValue|XValue|YValue;	213	geom_flags = WidthValue|HeightValue|XValue|YValue;
203	}	214	}
204	else if (!strcasecmp (arr[i], "style=aspect-stretched"))
205	{
206	new_flags = BG_KEEP_ASPECT;
207	w = h = windowScale;
208	x = y = centerAlign;
209	geom_flags = WidthValue|HeightValue|XValue|YValue;
210	}
211	else if (!strcasecmp (arr[i], "style=stretched"))
212	{
213	new_flags = 0;
214	w = h = windowScale;
215	geom_flags = WidthValue|HeightValue;
216	}
217	else if (!strcasecmp (arr[i], "style=centered"))
218	{
219	new_flags = 0;
220	w = h = noScale;
221	x = y = centerAlign;
222	geom_flags = WidthValue|HeightValue|XValue|YValue;
223	}
224	else if (!strcasecmp (arr[i], "style=root-tiled"))
225	{
226	new_flags = BG_TILE|BG_ROOT_ALIGN;
227	w = h = noScale;
228	geom_flags = WidthValue|HeightValue;
229	}
230	else if (!strcasecmp (arr[i], "op=tile"))	215	else if (!strcasecmp (arr[i], "op=tile"))
231	new_flags |= BG_TILE;	216	new_flags |= IM_TILE;
232	else if (!strcasecmp (arr[i], "op=keep-aspect"))	217	else if (!strcasecmp (arr[i], "op=keep-aspect"))
233	new_flags |= BG_KEEP_ASPECT;	218	new_flags |= IM_KEEP_ASPECT;
234	else if (!strcasecmp (arr[i], "op=root-align"))	219	else if (!strcasecmp (arr[i], "op=root-align"))
235	new_flags |= BG_ROOT_ALIGN;	220	new_flags |= IM_ROOT_ALIGN;
236		221
237	// deprecated	222	// deprecated
238	else if (!strcasecmp (arr[i], "tile"))	223	else if (!strcasecmp (arr[i], "tile"))
239	{	224	{
240	new_flags |= BG_TILE;	225	new_flags |= IM_TILE;
241	w = h = noScale;	226	w = h = noScale;
242	geom_flags |= WidthValue|HeightValue;	227	geom_flags |= WidthValue|HeightValue;
243	}	228	}
244	else if (!strcasecmp (arr[i], "propscale"))	229	else if (!strcasecmp (arr[i], "propscale"))
245	{	230	{
246	new_flags |= BG_KEEP_ASPECT;	231	new_flags |= IM_KEEP_ASPECT;
247	w = h = windowScale;	232	w = h = windowScale;
248	geom_flags |= WidthValue|HeightValue;	233	geom_flags |= WidthValue|HeightValue;
249	}	234	}
250	else if (!strcasecmp (arr[i], "hscale"))	235	else if (!strcasecmp (arr[i], "hscale"))
251	{	236	{
252	new_flags |= BG_TILE;	237	new_flags |= IM_TILE;
253	w = windowScale;	238	w = windowScale;
254	h = noScale;	239	h = noScale;
255	geom_flags |= WidthValue|HeightValue;	240	geom_flags |= WidthValue|HeightValue;
256	}	241	}
257	else if (!strcasecmp (arr[i], "vscale"))	242	else if (!strcasecmp (arr[i], "vscale"))
258	{	243	{
259	new_flags |= BG_TILE;	244	new_flags |= IM_TILE;
260	h = windowScale;	245	h = windowScale;
261	w = noScale;	246	w = noScale;
262	geom_flags |= WidthValue|HeightValue;	247	geom_flags |= WidthValue|HeightValue;
263	}	248	}
264	else if (!strcasecmp (arr[i], "scale"))	249	else if (!strcasecmp (arr[i], "scale"))
…		…
272	x = y = centerAlign;	257	x = y = centerAlign;
273	geom_flags |= WidthValue|HeightValue|XValue|YValue;	258	geom_flags |= WidthValue|HeightValue|XValue|YValue;
274	}	259	}
275	else if (!strcasecmp (arr[i], "root"))	260	else if (!strcasecmp (arr[i], "root"))
276	{	261	{
277	new_flags |= BG_TILE|BG_ROOT_ALIGN;	262	new_flags |= IM_TILE|IM_ROOT_ALIGN;
278	w = h = noScale;	263	w = h = noScale;
279	geom_flags |= WidthValue|HeightValue;	264	geom_flags |= WidthValue|HeightValue;
280	}	265	}
281		266
282	else	267	else
…		…
284	} /* done parsing ops */	269	} /* done parsing ops */
285		270
286	rxvt_free_strsplit (arr);	271	rxvt_free_strsplit (arr);
287	}	272	}
288		273
289	new_flags |= bg_flags & ~BG_GEOMETRY_FLAGS;	274	new_flags |= flags & ~IM_GEOMETRY_FLAGS;
290		275
291	if (!update)	276	if (!update)
292	{	277	{
293	if (!(geom_flags & XValue))	278	if (!(geom_flags & XValue))
294	x = y = defaultAlign;	279	x = y = defaultAlign;
…		…
299	w = h = defaultScale;	284	w = h = defaultScale;
300	else if (!(geom_flags & HeightValue))	285	else if (!(geom_flags & HeightValue))
301	h = w;	286	h = w;
302	else if (!(geom_flags & WidthValue))	287	else if (!(geom_flags & WidthValue))
303	w = h;	288	w = h;
304
305	geom_flags |= WidthValue|HeightValue|XValue|YValue;
306	}
307
308	if (check_set_scale_value (geom_flags, WidthValue, h_scale, w)) changed = true;
309	if (check_set_scale_value (geom_flags, HeightValue, v_scale, h)) changed = true;
310	if (check_set_align_value (geom_flags, XValue, h_align, x)) changed = true;
311	if (check_set_align_value (geom_flags, YValue, v_align, y)) changed = true;
312
313	if (new_flags != bg_flags)
314	{	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	{
315	bg_flags = new_flags;	300	flags = new_flags;
		301	h_scale = w;
		302	v_scale = h;
		303	h_align = x;
		304	v_align = y;
316	changed = true;	305	changed = true;
317	}	306	}
318		307
		308	if (is_size_sensitive ())
		309	flags |= IM_IS_SIZE_SENSITIVE;
		310	else
		311	flags &= ~IM_IS_SIZE_SENSITIVE;
		312
319	return changed;	313	return changed;
320	}	314	}
321		315
322	void	316	void
323	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)
324	{	318	{
		319	int image_width = image.width ();
		320	int image_height = image.height ();
325	int target_width = szHint.width;	321	int target_width = szHint.width;
326	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);
327		325
328	w = h_scale * target_width / 100;	326	w = h_scale * target_width / 100;
329	h = v_scale * target_height / 100;	327	h = v_scale * target_height / 100;
330		328
331	if (bg_flags & BG_KEEP_ASPECT)	329	if (image.flags & IM_KEEP_ASPECT)
332	{	330	{
333	float scale = (float)w / image_width;	331	float scale = (float)w / image_width;
334	min_it (scale, (float)h / image_height);	332	min_it (scale, (float)h / image_height);
335	w = image_width * scale + 0.5;	333	w = image_width * scale + 0.5;
336	h = image_height * scale + 0.5;	334	h = image_height * scale + 0.5;
337	}	335	}
338		336
339	if (!w) w = image_width;	337	if (!w) w = image_width;
340	if (!h) h = image_height;	338	if (!h) h = image_height;
341		339
342	if (bg_flags & BG_ROOT_ALIGN)	340	if (image.flags & IM_ROOT_ALIGN)
343	{	341	{
344	x = -target_x;	342	x = -target_x;
345	y = -target_y;	343	y = -target_y;
346	}	344	}
347	else	345	else
348	{	346	{
349	x = make_align_position (h_align, target_width, w);	347	x = make_align_position (image.h_align, target_width, w);
350	y = make_align_position (v_align, target_height, h);	348	y = make_align_position (image.v_align, target_height, h);
351	}
352
353	bg_flags &= ~BG_IS_SIZE_SENSITIVE;
354	if (!(bg_flags & BG_TILE)
355	|| h_scale || v_scale
356	|| (!(bg_flags & BG_ROOT_ALIGN) && (h_align || v_align))
357	|| w > target_width || h > target_height)
358	bg_flags |= BG_IS_SIZE_SENSITIVE;
359	}
360
361	# ifdef HAVE_AFTERIMAGE
362	bool
363	rxvt_term::render_image (unsigned long tr_flags)
364	{
365	init_asv ();
366
367	ASImage *background = NULL;
368	ARGB32 background_tint = TINT_LEAVE_SAME;
369
370	# ifdef ENABLE_TRANSPARENCY
371	if (tr_flags)
372	background = pixmap2ximage (asv, bg_pixmap, 0, 0, bg_pmap_width, bg_pmap_height, AllPlanes, 100);
373
374	if (tr_flags & BG_NEEDS_TINT)
375	{	349	}
376	ShadingInfo as_shade;	350	}
377	as_shade.shading = shade;
378		351
379	rgba c;	352	# ifdef HAVE_PIXBUF
380	tint.get (c);	353	bool
381	as_shade.tintColor.red = c.r;	354	rxvt_term::pixbuf_to_pixmap (GdkPixbuf *pixbuf, Pixmap pixmap, GC gc,
382	as_shade.tintColor.green = c.g;	355	int src_x, int src_y, int dst_x, int dst_y,
383	as_shade.tintColor.blue = c.b;	356	unsigned int width, unsigned int height, bool argb)
		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;
384		366
385	background_tint = shading2tint32 (&as_shade);	367	if (visual->c_class != TrueColor)
		368	return false;
		369
		370	if (argb)
386	}	371	{
387		372	red_mask = 0xff << 16;
388	if ((tr_flags & BG_NEEDS_BLUR) && background != NULL)	373	green_mask = 0xff << 8;
		374	blue_mask = 0xff;
		375	alpha_mask = 0xff << 24;
389	{	376	}
390	ASImage *tmp = blur_asimage_gauss (asv, background, h_blurRadius, v_blurRadius, 0xFFFFFFFF,	377	else
391	ASA_XImage,	378	{
392	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);
393	if (tmp)	384	if (format)
394	{	385	alpha_mask = (uint32_t)format->direct.alphaMask << format->direct.alpha;
395	destroy_asimage (&background);	386	else
396	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++)
397	}	439	{
398	}	440	unsigned char *pixel = row + x * channels;
399	# endif	441	uint32_t value;
		442	unsigned char r, g, b, a;
400		443
401	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);
402		496
403	int target_width = szHint.width;	497	int target_width = szHint.width;
404	int target_height = szHint.height;	498	int target_height = szHint.height;
405	int new_pmap_width = target_width;	499	int new_pmap_width = target_width;
406	int new_pmap_height = target_height;	500	int new_pmap_height = target_height;
…		…
408	int x = 0;	502	int x = 0;
409	int y = 0;	503	int y = 0;
410	int w = 0;	504	int w = 0;
411	int h = 0;	505	int h = 0;
412		506
413	if (original_asim)	507	get_image_geometry (image, w, h, x, y);
414	get_image_geometry (original_asim->width, original_asim->height, w, h, x, y);
415		508
416	if (!original_asim	509	if (!(image.flags & IM_ROOT_ALIGN)
417	|| (!(bg_flags & BG_ROOT_ALIGN)
418	&& (x >= target_width	510	&& (x >= target_width
419	|| y >= target_height	511	|| y >= target_height
420	|| x + w <= 0	512	|| x + w <= 0
421	|| y + h <= 0)))	513	|| y + h <= 0))
422	{	514	return false;
423	if (background)
424	{
425	new_pmap_width = background->width;
426	new_pmap_height = background->height;
427	result = background;
428		515
429	if (background_tint != TINT_LEAVE_SAME)	516	result = pixbuf;
430	{	517
431	ASImage *tmp = tile_asimage (asv, background, 0, 0,	518	if (w != image_width
432	target_width, target_height, background_tint,	519	|| h != image_height)
433	ASA_XImage, 100, ASIMAGE_QUALITY_DEFAULT);
434	if (tmp)
435	result = tmp;
436	}
437	}
438	else
439	new_pmap_width = new_pmap_height = 0;
440	}	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);
441	else	540	else
442	{	541	{
443	result = original_asim;	542	// optimise bg pixmap size when tiling, but only if there are no
444		543	// other pixbufs to render. Otherwise, the bg pixmap size must
445	if (w != original_asim->width	544	// be equal to the window size.
446	|| h != original_asim->height)	545	if ((image.flags & IM_TILE)
447	{	546	&& image_vec.size () == 1)
448	result = scale_asimage (asv, original_asim,
449	w, h,
450	ASA_XImage,
451	100, ASIMAGE_QUALITY_DEFAULT);
452	}	547	{
453		548	new_pmap_width = min (image_width, target_width);
454	if (background == NULL)	549	new_pmap_height = min (image_height, target_height);
455	{	550	}
456	if (bg_flags & BG_TILE)
457	{
458	/* if tiling - pixmap has to be sized exactly as the image,
459	but there is no need to make it bigger than the window! */
460	new_pmap_width = min (result->width, target_width);
461	new_pmap_height = min (result->height, target_height);
462		551
463	/* we also need to tile our image in both directions */
464	ASImage *tmp = tile_asimage (asv, result,
465	(int)result->width - x,
466	(int)result->height - y,
467	new_pmap_width,
468	new_pmap_height,
469	TINT_LEAVE_SAME, ASA_XImage,
470	100, ASIMAGE_QUALITY_DEFAULT);
471	if (tmp)
472	{
473	if (result != original_asim)
474	destroy_asimage (&result);
475
476	result = tmp;
477	}
478	}
479	}
480	else
481	{
482	/* if blending background and image - pixmap has to be sized same as target window */
483	ASImageLayer *layers = create_image_layers (2);
484
485	layers[0].im = background;
486	layers[0].clip_width = target_width;
487	layers[0].clip_height = target_height;
488	layers[0].tint = background_tint;
489	layers[1].im = result;
490
491	if (bg_flags & BG_TILE)
492	{
493	/* tile horizontally */
494	while (x > 0) x -= (int)result->width;
495	layers[1].dst_x = x;
496	layers[1].clip_width = result->width+target_width;
497	}
498	else
499	{
500	/* clip horizontally */
501	layers[1].dst_x = x;
502	layers[1].clip_width = result->width;
503	}
504
505	if (bg_flags & BG_TILE)
506	{
507	while (y > 0) y -= (int)result->height;
508	layers[1].dst_y = y;
509	layers[1].clip_height = result->height + target_height;
510	}
511	else
512	{
513	layers[1].dst_y = y;
514	layers[1].clip_height = result->height;
515	}
516
517	if (rs[Rs_blendtype])
518	{
519	layers[1].merge_scanlines = blend_scanlines_name2func (rs[Rs_blendtype]);
520	if (layers[1].merge_scanlines == NULL)
521	layers[1].merge_scanlines = alphablend_scanlines;
522	}
523
524	ASImage *tmp = merge_layers (asv, layers, 2, target_width, target_height,
525	ASA_XImage, 0, ASIMAGE_QUALITY_DEFAULT);
526
527	if (tmp)
528	{
529	if (result != original_asim)
530	destroy_asimage (&result);
531
532	result = tmp;
533	}
534
535	free (layers);
536	}
537	}
538
539	bool ret = false;
540
541	if (result)
542	{
543	XGCValues gcv;
544	GC gc;
545
546	/* create Pixmap */
547	if (bg_pixmap == None	552	if (bg_pixmap == None
548	|| bg_pmap_width != new_pmap_width	553	|| bg_pmap_width != new_pmap_width
549	|| bg_pmap_height != new_pmap_height)	554	|| bg_pmap_height != new_pmap_height)
550	{	555	{
551	if (bg_pixmap)	556	if (bg_pixmap)
552	XFreePixmap (dpy, bg_pixmap);	557	XFreePixmap (dpy, bg_pixmap);
553	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);
554	bg_pmap_width = new_pmap_width;	559	bg_pmap_width = new_pmap_width;
555	bg_pmap_height = new_pmap_height;	560	bg_pmap_height = new_pmap_height;
556	}	561	}
557	/* fill with background color (if result's not completely overlapping it) */
558	gcv.foreground = pix_colors[Color_bg];
559	gc = XCreateGC (dpy, vt, GCForeground, &gcv);
560		562
561	int src_x = 0, src_y = 0, dst_x = 0, dst_y = 0;
562	int dst_width = result->width, dst_height = result->height;
563	if (background == NULL)
564	{
565	if (!(bg_flags & BG_TILE))
566	{
567	src_x = make_clip_rectangle (x, result->width , new_pmap_width , dst_x, dst_width );
568	src_y = make_clip_rectangle (y, result->height, new_pmap_height, dst_y, dst_height);
569	}
570
571	if (dst_x > 0 || dst_y > 0
572	|| dst_x + dst_width < new_pmap_width
573	|| dst_y + dst_height < new_pmap_height)
574	XFillRectangle (dpy, bg_pixmap, gc, 0, 0, new_pmap_width, new_pmap_height);
575	}
576
577	/* put result on pixmap */
578	if (dst_x < new_pmap_width && dst_y < new_pmap_height)
579	asimage2drawable (asv, bg_pixmap, result, gc, src_x, src_y, dst_x, dst_y, dst_width, dst_height, True);
580
581	if (result != background && result != original_asim)
582	destroy_asimage (&result);
583
584	XFreeGC (dpy, gc);
585
586	ret = true;
587	}
588
589	if (background)
590	destroy_asimage (&background);
591
592	return ret;
593	}
594	# endif /* HAVE_AFTERIMAGE */
595
596	# ifdef HAVE_PIXBUF
597	bool
598	rxvt_term::pixbuf_to_pixmap (GdkPixbuf *pixbuf, Pixmap pixmap, GC gc,
599	int src_x, int src_y, int dst_x, int dst_y,
600	unsigned int width, unsigned int height)
601	{
602	XImage *ximage;
603	char *data, *line;
604	int bytes_per_pixel;
605	int width_r, width_g, width_b;
606	int sh_r, sh_g, sh_b;
607	int rowstride;
608	int channels;
609	unsigned char *row;
610
611	if (visual->c_class != TrueColor)
612	return false;
613
614	if (depth == 24 || depth == 32)
615	bytes_per_pixel = 4;
616	else if (depth == 15 || depth == 16)
617	bytes_per_pixel = 2;
618	else
619	return false;
620
621	width_r = ecb_popcount32 (visual->red_mask);
622	width_g = ecb_popcount32 (visual->green_mask);
623	width_b = ecb_popcount32 (visual->blue_mask);
624
625	if (width_r > 8 || width_g > 8 || width_b > 8)
626	return false;
627
628	sh_r = ecb_ctz32 (visual->red_mask);
629	sh_g = ecb_ctz32 (visual->green_mask);
630	sh_b = ecb_ctz32 (visual->blue_mask);
631
632	if (width > INT_MAX / height / bytes_per_pixel)
633	return false;
634
635	data = (char *)malloc (width * height * bytes_per_pixel);
636	if (!data)
637	return false;
638
639	ximage = XCreateImage (dpy, visual, depth, ZPixmap, 0, data,
640	width, height, bytes_per_pixel * 8, 0);
641	if (!ximage)
642	{
643	free (data);
644	return false;
645	}
646
647	ximage->byte_order = ecb_big_endian () ? MSBFirst : LSBFirst;
648
649	rowstride = gdk_pixbuf_get_rowstride (pixbuf);
650	channels = gdk_pixbuf_get_n_channels (pixbuf);
651	row = gdk_pixbuf_get_pixels (pixbuf) + src_y * rowstride + src_x * channels;
652	line = data;
653
654	for (int y = 0; y < height; y++)
655	{
656	for (int x = 0; x < width; x++)
657	{
658	unsigned char *pixel = row + x * channels;
659	uint32_t value;
660
661	value = ((pixel[0] >> (8 - width_r)) << sh_r)
662	| ((pixel[1] >> (8 - width_g)) << sh_g)
663	| ((pixel[2] >> (8 - width_b)) << sh_b);
664
665	if (bytes_per_pixel == 4)
666	((uint32_t *)line)[x] = value;
667	else
668	((uint16_t *)line)[x] = value;
669	}
670
671	row += rowstride;
672	line += ximage->bytes_per_line;
673	}
674
675	XPutImage (dpy, pixmap, gc, ximage, 0, 0, dst_x, dst_y, width, height);
676	XDestroyImage (ximage);
677	return true;
678	}
679
680	bool
681	rxvt_term::render_image (unsigned long tr_flags)
682	{
683	if (!pixbuf)
684	return false;
685
686	if (tr_flags
687	&& !(bg_flags & BG_HAS_RENDER))
688	return false;
689
690	GdkPixbuf *result;
691
692	int image_width = gdk_pixbuf_get_width (pixbuf);
693	int image_height = gdk_pixbuf_get_height (pixbuf);
694
695	int target_width = szHint.width;
696	int target_height = szHint.height;
697	int new_pmap_width = target_width;
698	int new_pmap_height = target_height;
699
700	int x = 0;
701	int y = 0;
702	int w = 0;
703	int h = 0;
704
705	get_image_geometry (image_width, image_height, w, h, x, y);
706
707	if (!(bg_flags & BG_ROOT_ALIGN)
708	&& (x >= target_width
709	|| y >= target_height
710	|| x + w <= 0
711	|| y + h <= 0))
712	return false;
713
714	result = pixbuf;
715
716	if (w != image_width
717	|| h != image_height)
718	{
719	result = gdk_pixbuf_scale_simple (pixbuf,
720	w, h,
721	GDK_INTERP_BILINEAR);
722	}
723
724	if (!result)
725	return false;
726
727	bool ret = false;
728
729	XGCValues gcv;
730	GC gc;
731	Pixmap root_pmap;
732
733	image_width = gdk_pixbuf_get_width (result);
734	image_height = gdk_pixbuf_get_height (result);
735
736	if (tr_flags)
737	{
738	root_pmap = bg_pixmap;	563	tmp_pixmap = bg_pixmap;
739	bg_pixmap = None;
740	}
741	else
742	{
743	if (bg_flags & BG_TILE)
744	{
745	new_pmap_width = min (image_width, target_width);
746	new_pmap_height = min (image_height, target_height);
747	}
748	}
749
750	if (bg_pixmap == None
751	|| bg_pmap_width != new_pmap_width
752	|| bg_pmap_height != new_pmap_height)
753	{
754	if (bg_pixmap)
755	XFreePixmap (dpy, bg_pixmap);
756	bg_pixmap = XCreatePixmap (dpy, vt, new_pmap_width, new_pmap_height, depth);
757	bg_pmap_width = new_pmap_width;
758	bg_pmap_height = new_pmap_height;
759	}	564	}
760		565
761	gcv.foreground = pix_colors[Color_bg];	566	gcv.foreground = pix_colors[Color_bg];
762	gc = XCreateGC (dpy, vt, GCForeground, &gcv);	567	gc = XCreateGC (dpy, tmp_pixmap, GCForeground, &gcv);
763		568
764	if (gc)	569	if (gc)
765	{	570	{
766	if (bg_flags & BG_TILE)	571	if (image.flags & IM_TILE)
767	{	572	{
768	Pixmap tile = XCreatePixmap (dpy, vt, image_width, image_height, depth);	573	Pixmap tile = XCreatePixmap (dpy, vt, image_width, image_height, need_blend ? 32 : depth);
769	pixbuf_to_pixmap (result, tile, gc,	574	pixbuf_to_pixmap (result, tile, gc,
770	0, 0,	575	0, 0,
771	0, 0,	576	0, 0,
772	image_width, image_height);	577	image_width, image_height, need_blend);
773		578
774	gcv.tile = tile;	579	gcv.tile = tile;
775	gcv.fill_style = FillTiled;	580	gcv.fill_style = FillTiled;
776	gcv.ts_x_origin = x;	581	gcv.ts_x_origin = x;
777	gcv.ts_y_origin = y;	582	gcv.ts_y_origin = y;
778	XChangeGC (dpy, gc, GCFillStyle | GCTile | GCTileStipXOrigin | GCTileStipYOrigin, &gcv);	583	XChangeGC (dpy, gc, GCFillStyle | GCTile | GCTileStipXOrigin | GCTileStipYOrigin, &gcv);
779		584
780	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);
781	XFreePixmap (dpy, tile);	586	XFreePixmap (dpy, tile);
782	}	587	}
783	else	588	else
784	{	589	{
785	int src_x, src_y, dst_x, dst_y;	590	int src_x, src_y, dst_x, dst_y;
…		…
789	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);
790		595
791	if (dst_x > 0 || dst_y > 0	596	if (dst_x > 0 || dst_y > 0
792	|| dst_x + dst_width < new_pmap_width	597	|| dst_x + dst_width < new_pmap_width
793	|| dst_y + dst_height < new_pmap_height)	598	|| dst_y + dst_height < new_pmap_height)
794	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);
795		600
796	if (dst_x < new_pmap_width && dst_y < new_pmap_height)	601	if (dst_x < new_pmap_width && dst_y < new_pmap_height)
797	pixbuf_to_pixmap (result, bg_pixmap, gc,	602	pixbuf_to_pixmap (result, tmp_pixmap, gc,
798	src_x, src_y,	603	src_x, src_y,
799	dst_x, dst_y,	604	dst_x, dst_y,
800	dst_width, dst_height);	605	dst_width, dst_height, need_blend);
801	}	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);
802		612
803	#if XRENDER	613	#if XRENDER
804	if (tr_flags)	614	if (need_blend)
805	{	615	{
806	XRenderPictureAttributes pa;	616	XRenderPictFormat *argb_format = XRenderFindStandardFormat (dpy, PictStandardARGB32);
807
808	XRenderPictFormat *src_format = XRenderFindVisualFormat (dpy, visual);	617	XRenderPictFormat *format = XRenderFindVisualFormat (dpy, visual);
		618
809	Picture src = XRenderCreatePicture (dpy, root_pmap, src_format, 0, &pa);	619	Picture src = XRenderCreatePicture (dpy, tmp_pixmap, argb_format, 0, 0);
810		620
811	XRenderPictFormat *dst_format = XRenderFindVisualFormat (dpy, visual);
812	Picture dst = XRenderCreatePicture (dpy, bg_pixmap, dst_format, 0, &pa);	621	Picture dst = XRenderCreatePicture (dpy, bg_pixmap, format, 0, 0);
813		622
814	pa.repeat = True;	623	Picture mask = create_xrender_mask (dpy, vt, False, False);
815	Pixmap mask_pmap = XCreatePixmap (dpy, vt, 1, 1, 8);
816	XRenderPictFormat *mask_format = XRenderFindStandardFormat (dpy, PictStandardA8);
817	Picture mask = XRenderCreatePicture (dpy, mask_pmap, mask_format, CPRepeat, &pa);
818	XFreePixmap (dpy, mask_pmap);
819		624
820	XRenderColor mask_c;	625	XRenderColor mask_c;
821		626
822	mask_c.alpha = 0x8000;	627	mask_c.alpha = image.alpha;
823	mask_c.red = 0;	628	mask_c.red =
824	mask_c.green = 0;	629	mask_c.green =
825	mask_c.blue = 0;	630	mask_c.blue = 0;
826	XRenderFillRectangle (dpy, PictOpSrc, mask, &mask_c, 0, 0, 1, 1);	631	XRenderFillRectangle (dpy, PictOpSrc, mask, &mask_c, 0, 0, 1, 1);
		632
827	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);
828		634
829	XRenderFreePicture (dpy, src);	635	XRenderFreePicture (dpy, src);
830	XRenderFreePicture (dpy, dst);	636	XRenderFreePicture (dpy, dst);
831	XRenderFreePicture (dpy, mask);	637	XRenderFreePicture (dpy, mask);
…		…
838	}	644	}
839		645
840	if (result != pixbuf)	646	if (result != pixbuf)
841	g_object_unref (result);	647	g_object_unref (result);
842		648
843	if (tr_flags)	649	if (need_blend)
844	XFreePixmap (dpy, root_pmap);	650	XFreePixmap (dpy, tmp_pixmap);
845		651
846	return ret;	652	return ret;
847	}	653	}
848	# endif /* HAVE_PIXBUF */	654	# endif /* HAVE_PIXBUF */
849		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
850	bool	703	bool
851	rxvt_term::bg_set_file (const char *file)	704	rxvt_image::set_file_geometry (const char *file)
852	{	705	{
853	if (!file || !*file)	706	if (!file || !*file)
854	return false;	707	return false;
855		708
856	bool ret = false;
857	const char *p = strchr (file, ';');	709	const char *p = strchr (file, ';');
858		710
859	if (p)	711	if (p)
860	{	712	{
861	size_t len = p - file;	713	size_t len = p - file;
…		…
863	memcpy (f, file, len);	715	memcpy (f, file, len);
864	f[len] = '\0';	716	f[len] = '\0';
865	file = f;	717	file = f;
866	}	718	}
867		719
868	# ifdef HAVE_AFTERIMAGE	720	bool ret = set_file (file);
869	if (!asimman)	721	alpha = 0x8000;
870	asimman = create_generic_imageman (rs[Rs_path]);	722	if (ret)
871	ASImage *image = get_asimage (asimman, file, 0xFFFFFFFF, 100);	723	set_geometry (p ? p + 1 : "");
872	if (image)	724	return ret;
873	{	725	}
874	if (original_asim)	726
875	safe_asimage_destroy (original_asim);	727	bool
876	original_asim = image;	728	rxvt_image::set_file (const char *file)
877	bg_flags |= BG_IS_FROM_FILE | BG_CLIENT_RENDER;	729	{
878	ret = true;	730	bool ret = false;
879	}
880	# endif
881		731
882	# ifdef HAVE_PIXBUF	732	# ifdef HAVE_PIXBUF
883	GdkPixbuf *image = gdk_pixbuf_new_from_file (file, NULL);	733	GdkPixbuf *image = gdk_pixbuf_new_from_file (file, NULL);
884	if (image)	734	if (image)
885	{	735	{
886	if (pixbuf)	736	if (pixbuf)
887	g_object_unref (pixbuf);	737	g_object_unref (pixbuf);
888	pixbuf = image;	738	pixbuf = image;
889	bg_flags |= BG_IS_FROM_FILE;
890	ret = true;	739	ret = true;
891	}	740	}
892	# endif	741	# endif
893		742
894	if (ret)	743	if (ret)
895	{	744	flags |= IM_IS_SET;
896	if (p)
897	bg_set_geometry (p + 1);
898	else
899	bg_set_default_geometry ();
900	}
901		745
902	return ret;	746	return ret;
903	}	747	}
904		748
905	# endif /* BG_IMAGE_FROM_FILE */	749	# endif /* BG_IMAGE_FROM_FILE */
906		750
907	# ifdef ENABLE_TRANSPARENCY
908	bool	751	bool
909	rxvt_term::bg_set_transparent ()	752	image_effects::set_blur (const char *geom)
910	{
911	if (!(bg_flags & BG_IS_TRANSPARENT))
912	{
913	bg_flags |= BG_IS_TRANSPARENT;
914	return true;
915	}
916
917	return false;
918	}
919
920	bool
921	rxvt_term::bg_set_blur (const char *geom)
922	{	753	{
923	bool changed = false;	754	bool changed = false;
924	unsigned int hr, vr;	755	unsigned int hr, vr;
925	int junk;	756	int junk;
926	int geom_flags = XParseGeometry (geom, &junk, &junk, &hr, &vr);	757	int geom_flags = XParseGeometry (geom, &junk, &junk, &hr, &vr);
…		…
943	{	774	{
944	changed = true;	775	changed = true;
945	v_blurRadius = vr;	776	v_blurRadius = vr;
946	}	777	}
947		778
948	if (v_blurRadius == 0 && h_blurRadius == 0)
949	bg_flags &= ~BG_NEEDS_BLUR;
950	else
951	bg_flags |= BG_NEEDS_BLUR;
952
953	return changed;	779	return changed;
954	}	780	}
955		781
956	void
957	rxvt_term::set_tint_shade_flags ()
958	{
959	rgba c;
960	bool has_shade = shade != 100;
961
962	bg_flags &= ~BG_TINT_FLAGS;
963
964	tint.get (c);
965
966	if (!has_shade
967	&& (c.r <= 0x00ff || c.r >= 0xff00)
968	&& (c.g <= 0x00ff || c.g >= 0xff00)
969	&& (c.b <= 0x00ff || c.b >= 0xff00))
970	bg_flags |= BG_TINT_BITAND;
971
972	if (has_shade
973	|| c.r < 0xff00
974	|| c.g < 0xff00
975	|| c.b < 0xff00)
976	bg_flags |= BG_NEEDS_TINT;
977	}
978
979	bool	782	bool
980	rxvt_term::bg_set_tint (rxvt_color &new_tint)	783	image_effects::set_tint (const rxvt_color &new_tint)
981	{	784	{
982	if (tint != new_tint)	785	if (!tint_set || tint != new_tint)
983	{	786	{
984	tint = new_tint;	787	tint = new_tint;
985	set_tint_shade_flags ();	788	tint_set = true;
		789
986	return true;	790	return true;
987	}	791	}
988		792
989	return false;	793	return false;
990	}	794	}
991		795
992	bool	796	bool
993	rxvt_term::bg_set_shade (const char *shade_str)	797	image_effects::set_shade (const char *shade_str)
994	{	798	{
995	int new_shade = atoi (shade_str);	799	int new_shade = atoi (shade_str);
996		800
997	clamp_it (new_shade, -100, 200);	801	clamp_it (new_shade, -100, 200);
998	if (new_shade < 0)	802	if (new_shade < 0)
999	new_shade = 200 - (100 + new_shade);	803	new_shade = 200 - (100 + new_shade);
1000		804
1001	if (new_shade != shade)	805	if (new_shade != shade)
1002	{	806	{
1003	shade = new_shade;	807	shade = new_shade;
1004	set_tint_shade_flags ();
1005	return true;	808	return true;
1006	}	809	}
1007		810
1008	return false;	811	return false;
1009	}	812	}
…		…
1030	params[i+2] = XDoubleToFixed (kernel[i] / sum);	833	params[i+2] = XDoubleToFixed (kernel[i] / sum);
1031	}	834	}
1032	#endif	835	#endif
1033		836
1034	bool	837	bool
1035	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)
1036	{	839	{
1037	bool ret = false;	840	bool ret = false;
1038	#if XRENDER	841	#if XRENDER
1039	if (!(bg_flags & BG_HAS_RENDER_CONV))	842	if (!(display->flags & DISPLAY_HAS_RENDER_CONV))
1040	return false;	843	return false;
1041		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
…		…
1120	ret = true;	931	ret = true;
1121	XFreeGC (dpy, gc);	932	XFreeGC (dpy, gc);
1122	}	933	}
1123	}	934	}
1124	# if XRENDER	935	# if XRENDER
1125	else if (bg_flags & BG_HAS_RENDER)	936	else if (display->flags & DISPLAY_HAS_RENDER)
1126	{	937	{
1127	rgba c;
1128
1129	tint.get (c);
1130
1131	if (shade <= 100)	938	if (shade <= 100)
1132	{	939	{
1133	c.r = c.r * shade / 100;	940	c.r = c.r * shade / 100;
1134	c.g = c.g * shade / 100;	941	c.g = c.g * shade / 100;
1135	c.b = c.b * shade / 100;	942	c.b = c.b * shade / 100;
…		…
1139	c.r = c.r * (200 - shade) / 100;	946	c.r = c.r * (200 - shade) / 100;
1140	c.g = c.g * (200 - shade) / 100;	947	c.g = c.g * (200 - shade) / 100;
1141	c.b = c.b * (200 - shade) / 100;	948	c.b = c.b * (200 - shade) / 100;
1142	}	949	}
1143		950
1144	XRenderPictFormat *solid_format = XRenderFindStandardFormat (dpy, PictStandardARGB32);	951	XRenderPictFormat *format = argb ? XRenderFindStandardFormat (dpy, PictStandardARGB32)
1145	XRenderPictFormat *format = XRenderFindVisualFormat (dpy, visual);	952	: XRenderFindVisualFormat (dpy, visual);
1146	XRenderPictureAttributes pa;
1147		953
1148	Picture back_pic = XRenderCreatePicture (dpy, pixmap, format, 0, &pa);	954	Picture back_pic = XRenderCreatePicture (dpy, pixmap, format, 0, 0);
1149		955
1150	pa.repeat = True;	956	Picture overlay_pic = create_xrender_mask (dpy, pixmap, True, False);
1151		957
1152	Pixmap overlay_pmap = XCreatePixmap (dpy, pixmap, 1, 1, 32);	958	Picture mask_pic = create_xrender_mask (dpy, pixmap, True, True);
1153	Picture overlay_pic = XRenderCreatePicture (dpy, overlay_pmap, solid_format, CPRepeat, &pa);
1154	XFreePixmap (dpy, overlay_pmap);
1155
1156	pa.component_alpha = True;
1157	Pixmap mask_pmap = XCreatePixmap (dpy, pixmap, 1, 1, 32);
1158	Picture mask_pic = XRenderCreatePicture (dpy, mask_pmap, solid_format, CPRepeat | CPComponentAlpha, &pa);
1159	XFreePixmap (dpy, mask_pmap);
1160		959
1161	XRenderColor mask_c;	960	XRenderColor mask_c;
1162		961
1163	mask_c.alpha = 0xffff;	962	mask_c.alpha = 0xffff;
1164	mask_c.red =	963	mask_c.red =
…		…
1169	mask_c.alpha = 0;	968	mask_c.alpha = 0;
1170	mask_c.red = 0xffff - c.r;	969	mask_c.red = 0xffff - c.r;
1171	mask_c.green = 0xffff - c.g;	970	mask_c.green = 0xffff - c.g;
1172	mask_c.blue = 0xffff - c.b;	971	mask_c.blue = 0xffff - c.b;
1173	XRenderFillRectangle (dpy, PictOpSrc, mask_pic, &mask_c, 0, 0, 1, 1);	972	XRenderFillRectangle (dpy, PictOpSrc, mask_pic, &mask_c, 0, 0, 1, 1);
		973
1174	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);
1175		975
1176	if (shade > 100)	976	if (shade > 100)
1177	{	977	{
1178	mask_c.red = mask_c.green = mask_c.blue = 0xffff * (shade - 100) / 100;
1179	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;
1180	XRenderFillRectangle (dpy, PictOpSrc, overlay_pic, &mask_c, 0, 0, 1, 1);	982	XRenderFillRectangle (dpy, PictOpSrc, overlay_pic, &mask_c, 0, 0, 1, 1);
1181		983
1182	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);
1183	}	985	}
1184		986
…		…
1191	# endif	993	# endif
1192		994
1193	return ret;	995	return ret;
1194	}	996	}
1195		997
		998	# ifdef ENABLE_TRANSPARENCY
1196	/*	999	/*
1197	* 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
1198	* 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
1199	* our window.	1002	* our window.
1200	*/	1003	*/
1201	unsigned long	1004	bool
1202	rxvt_term::make_transparency_pixmap ()	1005	rxvt_term::render_root_image ()
1203	{	1006	{
1204	unsigned long result = 0;	1007	bool ret = false;
1205		1008
1206	/* 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
1207	* be always up-to-date, so let's use it :	1010	* be always up-to-date, so let's use it :
1208	*/	1011	*/
1209	int screen = display->screen;	1012	int screen = display->screen;
…		…
1243	Pixmap recoded_root_pmap = root_pixmap;	1046	Pixmap recoded_root_pmap = root_pixmap;
1244		1047
1245	if (root_pixmap != None && root_depth != depth)	1048	if (root_pixmap != None && root_depth != depth)
1246	{	1049	{
1247	#if XRENDER	1050	#if XRENDER
1248	if (bg_flags & BG_HAS_RENDER)	1051	if (display->flags & DISPLAY_HAS_RENDER)
1249	{	1052	{
1250	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);
1251		1054
1252	XRenderPictureAttributes pa;
1253
1254	XRenderPictFormat *src_format = XRenderFindVisualFormat (dpy, DefaultVisual (dpy, screen));	1055	XRenderPictFormat *src_format = XRenderFindVisualFormat (dpy, DefaultVisual (dpy, screen));
1255	Picture src = XRenderCreatePicture (dpy, root_pixmap, src_format, 0, &pa);	1056	Picture src = XRenderCreatePicture (dpy, root_pixmap, src_format, 0, 0);
1256		1057
1257	XRenderPictFormat *dst_format = XRenderFindVisualFormat (dpy, visual);	1058	XRenderPictFormat *dst_format = XRenderFindVisualFormat (dpy, visual);
1258	Picture dst = XRenderCreatePicture (dpy, recoded_root_pmap, dst_format, 0, &pa);	1059	Picture dst = XRenderCreatePicture (dpy, recoded_root_pmap, dst_format, 0, 0);
1259		1060
1260	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);
1261		1062
1262	XRenderFreePicture (dpy, src);	1063	XRenderFreePicture (dpy, src);
1263	XRenderFreePicture (dpy, dst);	1064	XRenderFreePicture (dpy, dst);
…		…
1292	gc = XCreateGC (dpy, vt, GCFillStyle | GCTile | GCTileStipXOrigin | GCTileStipYOrigin, &gcv);	1093	gc = XCreateGC (dpy, vt, GCFillStyle | GCTile | GCTileStipXOrigin | GCTileStipYOrigin, &gcv);
1293		1094
1294	if (gc)	1095	if (gc)
1295	{	1096	{
1296	XFillRectangle (dpy, bg_pixmap, gc, 0, 0, window_width, window_height);	1097	XFillRectangle (dpy, bg_pixmap, gc, 0, 0, window_width, window_height);
1297	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
1298	XFreeGC (dpy, gc);	1127	XFreeGC (dpy, gc);
1299
1300	if (!(bg_flags & BG_CLIENT_RENDER))
1301	{
1302	if (bg_flags & BG_NEEDS_BLUR)
1303	{
1304	if (blur_pixmap (bg_pixmap, visual, window_width, window_height))
1305	result &= ~BG_NEEDS_BLUR;
1306	}
1307	if (bg_flags & BG_NEEDS_TINT)
1308	{
1309	if (tint_pixmap (bg_pixmap, visual, window_width, window_height))
1310	result &= ~BG_NEEDS_TINT;
1311	}
1312	} /* server side rendering completed */
1313	}	1128	}
1314		1129
1315	if (recoded_root_pmap != root_pixmap)	1130	if (recoded_root_pmap != root_pixmap)
1316	XFreePixmap (dpy, recoded_root_pmap);	1131	XFreePixmap (dpy, recoded_root_pmap);
1317		1132
1318	return result;	1133	return ret;
1319	}	1134	}
1320		1135
1321	void	1136	void
1322	rxvt_term::bg_set_root_pixmap ()	1137	rxvt_term::bg_set_root_pixmap ()
1323	{	1138	{
…		…
1330	# endif /* ENABLE_TRANSPARENCY */	1145	# endif /* ENABLE_TRANSPARENCY */
1331		1146
1332	bool	1147	bool
1333	rxvt_term::bg_render ()	1148	rxvt_term::bg_render ()
1334	{	1149	{
1335	unsigned long tr_flags = 0;
1336
1337	bg_invalidate ();	1150	bg_invalidate ();
1338	# ifdef ENABLE_TRANSPARENCY	1151	# ifdef ENABLE_TRANSPARENCY
1339	if (bg_flags & BG_IS_TRANSPARENT)	1152	if (bg_flags & BG_IS_TRANSPARENT)
1340	{	1153	{
1341	/* we need to re-generate transparency pixmap in that case ! */	1154	/* we need to re-generate transparency pixmap in that case ! */
1342	tr_flags = make_transparency_pixmap ();	1155	if (render_root_image ())
1343	if (tr_flags == 0)
1344	return false;
1345	bg_flags |= BG_IS_VALID;	1156	bg_flags |= BG_IS_VALID;
1346	}	1157	}
1347	# endif	1158	# endif
1348		1159
1349	# ifdef BG_IMAGE_FROM_FILE	1160	# ifdef BG_IMAGE_FROM_FILE
1350	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++)
1351	|| (tr_flags & BG_EFFECTS_FLAGS))
1352	{	1162	{
1353	if (render_image (tr_flags))	1163	if (render_image (*bg_image))
1354	bg_flags |= BG_IS_VALID;	1164	bg_flags |= BG_IS_VALID;
1355	}
1356	# endif
1357
1358	# if defined(ENABLE_TRANSPARENCY) && !defined(HAVE_AFTERIMAGE)
1359	XImage *result = NULL;
1360
1361	if (tr_flags & BG_NEEDS_TINT)
1362	{
1363	result = XGetImage (dpy, bg_pixmap, 0, 0, bg_pmap_width, bg_pmap_height, AllPlanes, ZPixmap);
1364	}
1365
1366	if (result)
1367	{
1368	/* our own client-side tinting */
1369	//if (tr_flags & BG_NEEDS_TINT)
1370	if (1)
1371	tint_ximage (DefaultVisual (dpy, display->screen), result);
1372
1373	GC gc = XCreateGC (dpy, vt, 0UL, NULL);
1374
1375	if (gc)
1376	{
1377	XPutImage (dpy, bg_pixmap, gc, result, 0, 0, 0, 0, result->width, result->height);
1378
1379	XFreeGC (dpy, gc);
1380	}
1381
1382	XDestroyImage (result);
1383	}	1165	}
1384	# endif	1166	# endif
1385		1167
1386	if (!(bg_flags & BG_IS_VALID))	1168	if (!(bg_flags & BG_IS_VALID))
1387	{	1169	{
…		…
1401	}	1183	}
1402		1184
1403	void	1185	void
1404	rxvt_term::bg_init ()	1186	rxvt_term::bg_init ()
1405	{	1187	{
1406	#ifdef ENABLE_TRANSPARENCY	1188	#ifdef BG_IMAGE_FROM_FILE
1407	rgba c (rgba::MAX_CC, rgba::MAX_CC, rgba::MAX_CC);	1189	if (rs[Rs_backgroundPixmap])
1408	tint.set (this, c);	1190	{
1409	shade = 100;	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 ();
1410	#endif	1217	#endif
1411
1412	bg_flags &= ~(BG_HAS_RENDER | BG_HAS_RENDER_CONV);
1413	#if XRENDER
1414	int major, minor;
1415	if (XRenderQueryVersion (dpy, &major, &minor))
1416	bg_flags |= BG_HAS_RENDER;
1417	XFilters *filters = XRenderQueryFilters (dpy, vt);
1418	if (filters)
1419	{
1420	for (int i = 0; i < filters->nfilter; i++)
1421	if (!strcmp (filters->filter[i], FilterConvolution))
1422	bg_flags |= BG_HAS_RENDER_CONV;
1423
1424	XFree (filters);
1425	}
1426	#endif
1427	}	1218	}
1428		1219
1429	#endif /* HAVE_BG_PIXMAP */
1430
1431	#if defined(ENABLE_TRANSPARENCY) && !defined(HAVE_AFTERIMAGE)
1432	/* based on code from aterm-0.4.2 */	1220	/* based on code from aterm-0.4.2 */
1433		1221
1434	static inline void	1222	static inline void
1435	fill_lut (uint32_t *lookup, uint32_t mask, int sh, unsigned short low, unsigned short high)	1223	fill_lut (uint32_t *lookup, uint32_t mask, int sh, unsigned short low, unsigned short high)
1436	{	1224	{
…		…
1442	lookup[i] = (tmp / 0xffff) << sh;	1230	lookup[i] = (tmp / 0xffff) << sh;
1443	}	1231	}
1444	}	1232	}
1445		1233
1446	void	1234	void
1447	rxvt_term::tint_ximage (Visual *visual, XImage *ximage)	1235	rxvt_term::tint_ximage (XImage *ximage, rxvt_color &tint, bool tint_set, int shade)
1448	{	1236	{
		1237	unsigned int size_r, size_g, size_b;
1449	int sh_r, sh_g, sh_b;	1238	int sh_r, sh_g, sh_b;
1450	uint32_t mask_r, mask_g, mask_b;	1239	uint32_t mask_r, mask_g, mask_b;
1451	uint32_t *lookup, *lookup_r, *lookup_g, *lookup_b;	1240	uint32_t *lookup, *lookup_r, *lookup_g, *lookup_b;
1452	unsigned short low;	1241	unsigned short low;
1453	int host_byte_order = ecb_big_endian () ? MSBFirst : LSBFirst;	1242	int host_byte_order = ecb_big_endian () ? MSBFirst : LSBFirst;
…		…
1458	mask_r = visual->red_mask;	1247	mask_r = visual->red_mask;
1459	mask_g = visual->green_mask;	1248	mask_g = visual->green_mask;
1460	mask_b = visual->blue_mask;	1249	mask_b = visual->blue_mask;
1461		1250
1462	/* boring lookup table pre-initialization */	1251	/* boring lookup table pre-initialization */
1463	switch (ximage->depth)	1252	sh_r = ecb_ctz32 (mask_r);
1464	{	1253	sh_g = ecb_ctz32 (mask_g);
1465	case 15:	1254	sh_b = ecb_ctz32 (mask_b);
1466	if ((mask_r != 0x7c00) ||	1255
1467	(mask_g != 0x03e0) ||	1256	size_r = mask_r >> sh_r;
1468	(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)
1469	return;	1261	return;
1470	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));
1471	lookup_r = lookup;	1264	lookup_r = lookup;
1472	lookup_g = lookup+32;	1265	lookup_g = lookup + size_r;
1473	lookup_b = lookup+32+32;	1266	lookup_b = lookup + size_r + size_g;
1474	sh_r = 10;
1475	sh_g = 5;
1476	sh_b = 0;
1477	break;
1478	case 16:
1479	if ((mask_r != 0xf800) ||
1480	(mask_g != 0x07e0) ||
1481	(mask_b != 0x001f))
1482	return;
1483	lookup = (uint32_t *) malloc (sizeof (uint32_t)*(32+64+32));
1484	lookup_r = lookup;
1485	lookup_g = lookup+32;
1486	lookup_b = lookup+32+64;
1487	sh_r = 11;
1488	sh_g = 5;
1489	sh_b = 0;
1490	break;
1491	case 24:
1492	if ((mask_r != 0xff0000) ||
1493	(mask_g != 0x00ff00) ||
1494	(mask_b != 0x0000ff))
1495	return;
1496	lookup = (uint32_t *) malloc (sizeof (uint32_t)*(256+256+256));
1497	lookup_r = lookup;
1498	lookup_g = lookup+256;
1499	lookup_b = lookup+256+256;
1500	sh_r = 16;
1501	sh_g = 8;
1502	sh_b = 0;
1503	break;
1504	case 32:
1505	if ((mask_r != 0xff0000) ||
1506	(mask_g != 0x00ff00) ||
1507	(mask_b != 0x0000ff))
1508	return;
1509	lookup = (uint32_t *) malloc (sizeof (uint32_t)*(256+256+256));
1510	lookup_r = lookup;
1511	lookup_g = lookup+256;
1512	lookup_b = lookup+256+256;
1513	sh_r = 16;
1514	sh_g = 8;
1515	sh_b = 0;
1516	break;
1517	default:
1518	return; /* we do not support this color depth */
1519	}
1520		1267
1521	rgba c;	1268	rgba c (rgba::MAX_CC, rgba::MAX_CC, rgba::MAX_CC);
1522		1269
		1270	if (tint_set)
1523	tint.get (c);	1271	tint.get (c);
1524		1272
1525	/* prepare limits for color transformation (each channel is handled separately) */	1273	/* prepare limits for color transformation (each channel is handled separately) */
1526	if (shade > 100)	1274	if (shade > 100)
1527	{	1275	{
1528	c.r = c.r * (200 - shade) / 100;	1276	c.r = c.r * (200 - shade) / 100;
…		…
1545	fill_lut (lookup_g, mask_g, sh_g, low, c.g);	1293	fill_lut (lookup_g, mask_g, sh_g, low, c.g);
1546	fill_lut (lookup_b, mask_b, sh_b, low, c.b);	1294	fill_lut (lookup_b, mask_b, sh_b, low, c.b);
1547		1295
1548	/* apply table to input image (replacing colors by newly calculated ones) */	1296	/* apply table to input image (replacing colors by newly calculated ones) */
1549	if (ximage->bits_per_pixel == 32	1297	if (ximage->bits_per_pixel == 32
1550	&& (ximage->depth == 24 || ximage->depth == 32)
1551	&& ximage->byte_order == host_byte_order)	1298	&& ximage->byte_order == host_byte_order)
1552	{	1299	{
1553	uint32_t *p1, *pf, *p, *pl;	1300	char *line = ximage->data;
1554	p1 = (uint32_t *) ximage->data;
1555	pf = (uint32_t *) (ximage->data + ximage->height * ximage->bytes_per_line);
1556		1301
1557	while (p1 < pf)	1302	for (int y = 0; y < ximage->height; y++)
1558	{	1303	{
1559	p = p1;	1304	uint32_t *p = (uint32_t *)line;
1560	pl = p1 + ximage->width;	1305	for (int x = 0; x < ximage->width; x++)
1561	for (; p < pl; p++)
1562	{	1306	{
1563	*p = lookup_r[(*p & 0xff0000) >> 16] |	1307	*p = lookup_r[(*p & mask_r) >> sh_r] |
1564	lookup_g[(*p & 0x00ff00) >> 8] |	1308	lookup_g[(*p & mask_g) >> sh_g] |
1565	lookup_b[(*p & 0x0000ff)] |	1309	lookup_b[(*p & mask_b) >> sh_b];
1566	(*p & 0xff000000);	1310	p++;
1567	}	1311	}
1568	p1 = (uint32_t *) ((char *) p1 + ximage->bytes_per_line);	1312	line += ximage->bytes_per_line;
1569	}	1313	}
1570	}	1314	}
1571	else	1315	else
1572	{	1316	{
1573	for (int y = 0; y < ximage->height; y++)	1317	for (int y = 0; y < ximage->height; y++)
…		…
1581	}	1325	}
1582	}	1326	}
1583		1327
1584	free (lookup);	1328	free (lookup);
1585	}	1329	}
1586	#endif /* defined(ENABLE_TRANSPARENCY) && !defined(HAVE_AFTERIMAGE) */	1330
		1331	#endif /* HAVE_BG_PIXMAP */

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