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Comparing rxvt-unicode/src/background.C (file contents):
Revision 1.185 by sf-exg, Mon Dec 26 14:53:56 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 (rgba::MAX_CC,rgba::MAX_CC,rgba::MAX_CC);	352	# ifdef HAVE_PIXBUF
380	if (bg_flags & BG_TINT_SET)	353	bool
381	tint.get (c);	354	rxvt_term::pixbuf_to_pixmap (GdkPixbuf *pixbuf, Pixmap pixmap, GC gc,
382	as_shade.tintColor.red = c.r;	355	int src_x, int src_y, int dst_x, int dst_y,
383	as_shade.tintColor.green = c.g;	356	unsigned int width, unsigned int height, bool argb)
384	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;
385		366
386	background_tint = shading2tint32 (&as_shade);	367	if (visual->c_class != TrueColor)
		368	return false;
		369
		370	if (argb)
387	}	371	{
388		372	red_mask = 0xff << 16;
389	if ((tr_flags & BG_NEEDS_BLUR) && background != NULL)	373	green_mask = 0xff << 8;
		374	blue_mask = 0xff;
		375	alpha_mask = 0xff << 24;
390	{	376	}
391	ASImage *tmp = blur_asimage_gauss (asv, background, h_blurRadius, v_blurRadius, 0xFFFFFFFF,	377	else
392	ASA_XImage,	378	{
393	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);
394	if (tmp)	384	if (format)
395	{	385	alpha_mask = (uint32_t)format->direct.alphaMask << format->direct.alpha;
396	destroy_asimage (&background);	386	else
397	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++)
398	}	439	{
399	}	440	unsigned char *pixel = row + x * channels;
400	# endif	441	uint32_t value;
		442	unsigned char r, g, b, a;
401		443
402	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);
403		496
404	int target_width = szHint.width;	497	int target_width = szHint.width;
405	int target_height = szHint.height;	498	int target_height = szHint.height;
406	int new_pmap_width = target_width;	499	int new_pmap_width = target_width;
407	int new_pmap_height = target_height;	500	int new_pmap_height = target_height;
…		…
409	int x = 0;	502	int x = 0;
410	int y = 0;	503	int y = 0;
411	int w = 0;	504	int w = 0;
412	int h = 0;	505	int h = 0;
413		506
414	if (original_asim)	507	get_image_geometry (image, w, h, x, y);
415	get_image_geometry (original_asim->width, original_asim->height, w, h, x, y);
416		508
417	if (!original_asim	509	if (!(image.flags & IM_ROOT_ALIGN)
418	|| (!(bg_flags & BG_ROOT_ALIGN)
419	&& (x >= target_width	510	&& (x >= target_width
420	|| y >= target_height	511	|| y >= target_height
421	|| x + w <= 0	512	|| x + w <= 0
422	|| y + h <= 0)))	513	|| y + h <= 0))
423	{	514	return false;
424	if (background)
425	{
426	new_pmap_width = background->width;
427	new_pmap_height = background->height;
428	result = background;
429		515
430	if (background_tint != TINT_LEAVE_SAME)	516	result = pixbuf;
431	{	517
432	ASImage *tmp = tile_asimage (asv, background, 0, 0,	518	if (w != image_width
433	target_width, target_height, background_tint,	519	|| h != image_height)
434	ASA_XImage, 100, ASIMAGE_QUALITY_DEFAULT);
435	if (tmp)
436	result = tmp;
437	}
438	}
439	else
440	new_pmap_width = new_pmap_height = 0;
441	}	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);
442	else	540	else
443	{	541	{
444	result = original_asim;	542	// optimise bg pixmap size when tiling, but only if there are no
445		543	// other pixbufs to render. Otherwise, the bg pixmap size must
446	if (w != original_asim->width	544	// be equal to the window size.
447	|| h != original_asim->height)	545	if ((image.flags & IM_TILE)
448	{	546	&& image_vec.size () == 1)
449	result = scale_asimage (asv, original_asim,
450	w, h,
451	ASA_XImage,
452	100, ASIMAGE_QUALITY_DEFAULT);
453	}	547	{
454		548	new_pmap_width = min (image_width, target_width);
455	if (background == NULL)	549	new_pmap_height = min (image_height, target_height);
456	{	550	}
457	if (bg_flags & BG_TILE)
458	{
459	/* if tiling - pixmap has to be sized exactly as the image,
460	but there is no need to make it bigger than the window! */
461	new_pmap_width = min (result->width, target_width);
462	new_pmap_height = min (result->height, target_height);
463		551
464	/* we also need to tile our image in both directions */
465	ASImage *tmp = tile_asimage (asv, result,
466	(int)result->width - x,
467	(int)result->height - y,
468	new_pmap_width,
469	new_pmap_height,
470	TINT_LEAVE_SAME, ASA_XImage,
471	100, ASIMAGE_QUALITY_DEFAULT);
472	if (tmp)
473	{
474	if (result != original_asim)
475	destroy_asimage (&result);
476
477	result = tmp;
478	}
479	}
480	}
481	else
482	{
483	/* if blending background and image - pixmap has to be sized same as target window */
484	ASImageLayer *layers = create_image_layers (2);
485
486	layers[0].im = background;
487	layers[0].clip_width = target_width;
488	layers[0].clip_height = target_height;
489	layers[0].tint = background_tint;
490	layers[1].im = result;
491
492	if (bg_flags & BG_TILE)
493	{
494	/* tile horizontally */
495	while (x > 0) x -= (int)result->width;
496	layers[1].dst_x = x;
497	layers[1].clip_width = result->width+target_width;
498	}
499	else
500	{
501	/* clip horizontally */
502	layers[1].dst_x = x;
503	layers[1].clip_width = result->width;
504	}
505
506	if (bg_flags & BG_TILE)
507	{
508	while (y > 0) y -= (int)result->height;
509	layers[1].dst_y = y;
510	layers[1].clip_height = result->height + target_height;
511	}
512	else
513	{
514	layers[1].dst_y = y;
515	layers[1].clip_height = result->height;
516	}
517
518	if (rs[Rs_blendtype])
519	{
520	layers[1].merge_scanlines = blend_scanlines_name2func (rs[Rs_blendtype]);
521	if (layers[1].merge_scanlines == NULL)
522	layers[1].merge_scanlines = alphablend_scanlines;
523	}
524
525	ASImage *tmp = merge_layers (asv, layers, 2, target_width, target_height,
526	ASA_XImage, 0, ASIMAGE_QUALITY_DEFAULT);
527
528	if (tmp)
529	{
530	if (result != original_asim)
531	destroy_asimage (&result);
532
533	result = tmp;
534	}
535
536	free (layers);
537	}
538	}
539
540	bool ret = false;
541
542	if (result)
543	{
544	XGCValues gcv;
545	GC gc;
546
547	/* create Pixmap */
548	if (bg_pixmap == None	552	if (bg_pixmap == None
549	|| bg_pmap_width != new_pmap_width	553	|| bg_pmap_width != new_pmap_width
550	|| bg_pmap_height != new_pmap_height)	554	|| bg_pmap_height != new_pmap_height)
551	{	555	{
552	if (bg_pixmap)	556	if (bg_pixmap)
553	XFreePixmap (dpy, bg_pixmap);	557	XFreePixmap (dpy, bg_pixmap);
554	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);
555	bg_pmap_width = new_pmap_width;	559	bg_pmap_width = new_pmap_width;
556	bg_pmap_height = new_pmap_height;	560	bg_pmap_height = new_pmap_height;
557	}	561	}
558	/* fill with background color (if result's not completely overlapping it) */
559	gcv.foreground = pix_colors[Color_bg];
560	gc = XCreateGC (dpy, vt, GCForeground, &gcv);
561		562
562	int src_x = 0, src_y = 0, dst_x = 0, dst_y = 0;
563	int dst_width = result->width, dst_height = result->height;
564	if (background == NULL)
565	{
566	if (!(bg_flags & BG_TILE))
567	{
568	src_x = make_clip_rectangle (x, result->width , new_pmap_width , dst_x, dst_width );
569	src_y = make_clip_rectangle (y, result->height, new_pmap_height, dst_y, dst_height);
570	}
571
572	if (dst_x > 0 || dst_y > 0
573	|| dst_x + dst_width < new_pmap_width
574	|| dst_y + dst_height < new_pmap_height)
575	XFillRectangle (dpy, bg_pixmap, gc, 0, 0, new_pmap_width, new_pmap_height);
576	}
577
578	/* put result on pixmap */
579	if (dst_x < new_pmap_width && dst_y < new_pmap_height)
580	asimage2drawable (asv, bg_pixmap, result, gc, src_x, src_y, dst_x, dst_y, dst_width, dst_height, True);
581
582	if (result != background && result != original_asim)
583	destroy_asimage (&result);
584
585	XFreeGC (dpy, gc);
586
587	ret = true;
588	}
589
590	if (background)
591	destroy_asimage (&background);
592
593	return ret;
594	}
595	# endif /* HAVE_AFTERIMAGE */
596
597	# ifdef HAVE_PIXBUF
598	bool
599	rxvt_term::pixbuf_to_pixmap (GdkPixbuf *pixbuf, Pixmap pixmap, GC gc,
600	int src_x, int src_y, int dst_x, int dst_y,
601	unsigned int width, unsigned int height)
602	{
603	XImage *ximage;
604	char *data, *line;
605	int bytes_per_pixel;
606	int width_r, width_g, width_b;
607	int sh_r, sh_g, sh_b;
608	int rowstride;
609	int channels;
610	unsigned char *row;
611
612	if (visual->c_class != TrueColor)
613	return false;
614
615	if (depth == 24 || depth == 32)
616	bytes_per_pixel = 4;
617	else if (depth == 15 || depth == 16)
618	bytes_per_pixel = 2;
619	else
620	return false;
621
622	width_r = ecb_popcount32 (visual->red_mask);
623	width_g = ecb_popcount32 (visual->green_mask);
624	width_b = ecb_popcount32 (visual->blue_mask);
625
626	if (width_r > 8 || width_g > 8 || width_b > 8)
627	return false;
628
629	sh_r = ecb_ctz32 (visual->red_mask);
630	sh_g = ecb_ctz32 (visual->green_mask);
631	sh_b = ecb_ctz32 (visual->blue_mask);
632
633	if (width > INT_MAX / height / bytes_per_pixel)
634	return false;
635
636	data = (char *)malloc (width * height * bytes_per_pixel);
637	if (!data)
638	return false;
639
640	ximage = XCreateImage (dpy, visual, depth, ZPixmap, 0, data,
641	width, height, bytes_per_pixel * 8, 0);
642	if (!ximage)
643	{
644	free (data);
645	return false;
646	}
647
648	ximage->byte_order = ecb_big_endian () ? MSBFirst : LSBFirst;
649
650	rowstride = gdk_pixbuf_get_rowstride (pixbuf);
651	channels = gdk_pixbuf_get_n_channels (pixbuf);
652	row = gdk_pixbuf_get_pixels (pixbuf) + src_y * rowstride + src_x * channels;
653	line = data;
654
655	for (int y = 0; y < height; y++)
656	{
657	for (int x = 0; x < width; x++)
658	{
659	unsigned char *pixel = row + x * channels;
660	uint32_t value;
661
662	value = ((pixel[0] >> (8 - width_r)) << sh_r)
663	| ((pixel[1] >> (8 - width_g)) << sh_g)
664	| ((pixel[2] >> (8 - width_b)) << sh_b);
665
666	if (bytes_per_pixel == 4)
667	((uint32_t *)line)[x] = value;
668	else
669	((uint16_t *)line)[x] = value;
670	}
671
672	row += rowstride;
673	line += ximage->bytes_per_line;
674	}
675
676	XPutImage (dpy, pixmap, gc, ximage, 0, 0, dst_x, dst_y, width, height);
677	XDestroyImage (ximage);
678	return true;
679	}
680
681	bool
682	rxvt_term::render_image (unsigned long tr_flags)
683	{
684	if (!pixbuf)
685	return false;
686
687	if (tr_flags
688	&& !(bg_flags & BG_HAS_RENDER))
689	return false;
690
691	GdkPixbuf *result;
692
693	int image_width = gdk_pixbuf_get_width (pixbuf);
694	int image_height = gdk_pixbuf_get_height (pixbuf);
695
696	int target_width = szHint.width;
697	int target_height = szHint.height;
698	int new_pmap_width = target_width;
699	int new_pmap_height = target_height;
700
701	int x = 0;
702	int y = 0;
703	int w = 0;
704	int h = 0;
705
706	get_image_geometry (image_width, image_height, w, h, x, y);
707
708	if (!(bg_flags & BG_ROOT_ALIGN)
709	&& (x >= target_width
710	|| y >= target_height
711	|| x + w <= 0
712	|| y + h <= 0))
713	return false;
714
715	result = pixbuf;
716
717	if (w != image_width
718	|| h != image_height)
719	{
720	result = gdk_pixbuf_scale_simple (pixbuf,
721	w, h,
722	GDK_INTERP_BILINEAR);
723	}
724
725	if (!result)
726	return false;
727
728	bool ret = false;
729
730	XGCValues gcv;
731	GC gc;
732	Pixmap root_pmap;
733
734	image_width = gdk_pixbuf_get_width (result);
735	image_height = gdk_pixbuf_get_height (result);
736
737	if (tr_flags)
738	{
739	root_pmap = bg_pixmap;	563	tmp_pixmap = bg_pixmap;
740	bg_pixmap = None;
741	}
742	else
743	{
744	if (bg_flags & BG_TILE)
745	{
746	new_pmap_width = min (image_width, target_width);
747	new_pmap_height = min (image_height, target_height);
748	}
749	}
750
751	if (bg_pixmap == None
752	|| bg_pmap_width != new_pmap_width
753	|| bg_pmap_height != new_pmap_height)
754	{
755	if (bg_pixmap)
756	XFreePixmap (dpy, bg_pixmap);
757	bg_pixmap = XCreatePixmap (dpy, vt, new_pmap_width, new_pmap_height, depth);
758	bg_pmap_width = new_pmap_width;
759	bg_pmap_height = new_pmap_height;
760	}	564	}
761		565
762	gcv.foreground = pix_colors[Color_bg];	566	gcv.foreground = pix_colors[Color_bg];
763	gc = XCreateGC (dpy, vt, GCForeground, &gcv);	567	gc = XCreateGC (dpy, tmp_pixmap, GCForeground, &gcv);
764		568
765	if (gc)	569	if (gc)
766	{	570	{
767	if (bg_flags & BG_TILE)	571	if (image.flags & IM_TILE)
768	{	572	{
769	Pixmap tile = XCreatePixmap (dpy, vt, image_width, image_height, depth);	573	Pixmap tile = XCreatePixmap (dpy, vt, image_width, image_height, need_blend ? 32 : depth);
770	pixbuf_to_pixmap (result, tile, gc,	574	pixbuf_to_pixmap (result, tile, gc,
771	0, 0,	575	0, 0,
772	0, 0,	576	0, 0,
773	image_width, image_height);	577	image_width, image_height, need_blend);
774		578
775	gcv.tile = tile;	579	gcv.tile = tile;
776	gcv.fill_style = FillTiled;	580	gcv.fill_style = FillTiled;
777	gcv.ts_x_origin = x;	581	gcv.ts_x_origin = x;
778	gcv.ts_y_origin = y;	582	gcv.ts_y_origin = y;
779	XChangeGC (dpy, gc, GCFillStyle | GCTile | GCTileStipXOrigin | GCTileStipYOrigin, &gcv);	583	XChangeGC (dpy, gc, GCFillStyle | GCTile | GCTileStipXOrigin | GCTileStipYOrigin, &gcv);
780		584
781	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);
782	XFreePixmap (dpy, tile);	586	XFreePixmap (dpy, tile);
783	}	587	}
784	else	588	else
785	{	589	{
786	int src_x, src_y, dst_x, dst_y;	590	int src_x, src_y, dst_x, dst_y;
…		…
790	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);
791		595
792	if (dst_x > 0 || dst_y > 0	596	if (dst_x > 0 || dst_y > 0
793	|| dst_x + dst_width < new_pmap_width	597	|| dst_x + dst_width < new_pmap_width
794	|| dst_y + dst_height < new_pmap_height)	598	|| dst_y + dst_height < new_pmap_height)
795	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);
796		600
797	if (dst_x < new_pmap_width && dst_y < new_pmap_height)	601	if (dst_x < new_pmap_width && dst_y < new_pmap_height)
798	pixbuf_to_pixmap (result, bg_pixmap, gc,	602	pixbuf_to_pixmap (result, tmp_pixmap, gc,
799	src_x, src_y,	603	src_x, src_y,
800	dst_x, dst_y,	604	dst_x, dst_y,
801	dst_width, dst_height);	605	dst_width, dst_height, need_blend);
802	}	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);
803		612
804	#if XRENDER	613	#if XRENDER
805	if (tr_flags)	614	if (need_blend)
806	{	615	{
807	XRenderPictureAttributes pa;	616	XRenderPictFormat *argb_format = XRenderFindStandardFormat (dpy, PictStandardARGB32);
808
809	XRenderPictFormat *src_format = XRenderFindVisualFormat (dpy, visual);	617	XRenderPictFormat *format = XRenderFindVisualFormat (dpy, visual);
		618
810	Picture src = XRenderCreatePicture (dpy, root_pmap, src_format, 0, &pa);	619	Picture src = XRenderCreatePicture (dpy, tmp_pixmap, argb_format, 0, 0);
811		620
812	XRenderPictFormat *dst_format = XRenderFindVisualFormat (dpy, visual);
813	Picture dst = XRenderCreatePicture (dpy, bg_pixmap, dst_format, 0, &pa);	621	Picture dst = XRenderCreatePicture (dpy, bg_pixmap, format, 0, 0);
814		622
815	pa.repeat = True;	623	Picture mask = create_xrender_mask (dpy, vt, False, False);
816	Pixmap mask_pmap = XCreatePixmap (dpy, vt, 1, 1, 8);
817	XRenderPictFormat *mask_format = XRenderFindStandardFormat (dpy, PictStandardA8);
818	Picture mask = XRenderCreatePicture (dpy, mask_pmap, mask_format, CPRepeat, &pa);
819	XFreePixmap (dpy, mask_pmap);
820		624
821	XRenderColor mask_c;	625	XRenderColor mask_c;
822		626
823	mask_c.alpha = 0x8000;	627	mask_c.alpha = image.alpha;
824	mask_c.red = 0;	628	mask_c.red =
825	mask_c.green = 0;	629	mask_c.green =
826	mask_c.blue = 0;	630	mask_c.blue = 0;
827	XRenderFillRectangle (dpy, PictOpSrc, mask, &mask_c, 0, 0, 1, 1);	631	XRenderFillRectangle (dpy, PictOpSrc, mask, &mask_c, 0, 0, 1, 1);
		632
828	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);
829		634
830	XRenderFreePicture (dpy, src);	635	XRenderFreePicture (dpy, src);
831	XRenderFreePicture (dpy, dst);	636	XRenderFreePicture (dpy, dst);
832	XRenderFreePicture (dpy, mask);	637	XRenderFreePicture (dpy, mask);
…		…
839	}	644	}
840		645
841	if (result != pixbuf)	646	if (result != pixbuf)
842	g_object_unref (result);	647	g_object_unref (result);
843		648
844	if (tr_flags)	649	if (need_blend)
845	XFreePixmap (dpy, root_pmap);	650	XFreePixmap (dpy, tmp_pixmap);
846		651
847	return ret;	652	return ret;
848	}	653	}
849	# endif /* HAVE_PIXBUF */	654	# endif /* HAVE_PIXBUF */
850		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
851	bool	703	bool
852	rxvt_term::bg_set_file (const char *file)	704	rxvt_image::set_file_geometry (const char *file)
853	{	705	{
854	if (!file || !*file)	706	if (!file || !*file)
855	return false;	707	return false;
856		708
857	bool ret = false;
858	const char *p = strchr (file, ';');	709	const char *p = strchr (file, ';');
859		710
860	if (p)	711	if (p)
861	{	712	{
862	size_t len = p - file;	713	size_t len = p - file;
…		…
864	memcpy (f, file, len);	715	memcpy (f, file, len);
865	f[len] = '\0';	716	f[len] = '\0';
866	file = f;	717	file = f;
867	}	718	}
868		719
869	# ifdef HAVE_AFTERIMAGE	720	bool ret = set_file (file);
870	if (!asimman)	721	alpha = 0x8000;
871	asimman = create_generic_imageman (rs[Rs_path]);	722	if (ret)
872	ASImage *image = get_asimage (asimman, file, 0xFFFFFFFF, 100);	723	set_geometry (p ? p + 1 : "");
873	if (image)	724	return ret;
874	{	725	}
875	if (original_asim)	726
876	safe_asimage_destroy (original_asim);	727	bool
877	original_asim = image;	728	rxvt_image::set_file (const char *file)
878	bg_flags |= BG_IS_FROM_FILE | BG_CLIENT_RENDER;	729	{
879	ret = true;	730	bool ret = false;
880	}
881	# endif
882		731
883	# ifdef HAVE_PIXBUF	732	# ifdef HAVE_PIXBUF
884	GdkPixbuf *image = gdk_pixbuf_new_from_file (file, NULL);	733	GdkPixbuf *image = gdk_pixbuf_new_from_file (file, NULL);
885	if (image)	734	if (image)
886	{	735	{
887	if (pixbuf)	736	if (pixbuf)
888	g_object_unref (pixbuf);	737	g_object_unref (pixbuf);
889	pixbuf = image;	738	pixbuf = image;
890	bg_flags |= BG_IS_FROM_FILE;
891	ret = true;	739	ret = true;
892	}	740	}
893	# endif	741	# endif
894		742
895	if (ret)	743	if (ret)
896	{	744	flags |= IM_IS_SET;
897	if (p)
898	bg_set_geometry (p + 1);
899	else
900	bg_set_default_geometry ();
901	}
902		745
903	return ret;	746	return ret;
904	}	747	}
905		748
906	# endif /* BG_IMAGE_FROM_FILE */	749	# endif /* BG_IMAGE_FROM_FILE */
907		750
908	# ifdef ENABLE_TRANSPARENCY
909	bool	751	bool
910	rxvt_term::bg_set_transparent ()	752	image_effects::set_blur (const char *geom)
911	{
912	if (!(bg_flags & BG_IS_TRANSPARENT))
913	{
914	bg_flags |= BG_IS_TRANSPARENT;
915	return true;
916	}
917
918	return false;
919	}
920
921	bool
922	rxvt_term::bg_set_blur (const char *geom)
923	{	753	{
924	bool changed = false;	754	bool changed = false;
925	unsigned int hr, vr;	755	unsigned int hr, vr;
926	int junk;	756	int junk;
927	int geom_flags = XParseGeometry (geom, &junk, &junk, &hr, &vr);	757	int geom_flags = XParseGeometry (geom, &junk, &junk, &hr, &vr);
…		…
944	{	774	{
945	changed = true;	775	changed = true;
946	v_blurRadius = vr;	776	v_blurRadius = vr;
947	}	777	}
948		778
949	if (v_blurRadius == 0 && h_blurRadius == 0)
950	bg_flags &= ~BG_NEEDS_BLUR;
951	else
952	bg_flags |= BG_NEEDS_BLUR;
953
954	return changed;	779	return changed;
955	}	780	}
956		781
957	void
958	rxvt_term::set_tint_shade_flags ()
959	{
960	rgba c;
961	bool has_shade = shade != 100;
962
963	bg_flags &= ~BG_TINT_FLAGS;
964
965	if (bg_flags & BG_TINT_SET)
966	{
967	tint.get (c);
968	if (!has_shade
969	&& (c.r <= 0x00ff || c.r >= 0xff00)
970	&& (c.g <= 0x00ff || c.g >= 0xff00)
971	&& (c.b <= 0x00ff || c.b >= 0xff00))
972	bg_flags |= BG_TINT_BITAND;
973	}
974
975	if (has_shade || (bg_flags & BG_TINT_SET))
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 (!(bg_flags & BG_TINT_SET) || tint != new_tint)	785	if (!tint_set || tint != new_tint)
983	{	786	{
984	tint = new_tint;	787	tint = new_tint;
985	bg_flags |= BG_TINT_SET;	788	tint_set = true;
986	set_tint_shade_flags ();	789
987	return true;	790	return true;
988	}	791	}
989		792
990	return false;	793	return false;
991	}	794	}
992		795
993	bool	796	bool
994	rxvt_term::bg_set_shade (const char *shade_str)	797	image_effects::set_shade (const char *shade_str)
995	{	798	{
996	int new_shade = (shade_str) ? atoi (shade_str) : 100;	799	int new_shade = atoi (shade_str);
997		800
998	clamp_it (new_shade, -100, 200);	801	clamp_it (new_shade, -100, 200);
999	if (new_shade < 0)	802	if (new_shade < 0)
1000	new_shade = 200 - (100 + new_shade);	803	new_shade = 200 - (100 + new_shade);
1001		804
1002	if (new_shade != shade)	805	if (new_shade != shade)
1003	{	806	{
1004	shade = new_shade;	807	shade = new_shade;
1005	set_tint_shade_flags ();
1006	return true;	808	return true;
1007	}	809	}
1008		810
1009	return false;	811	return false;
1010	}	812	}
…		…
1031	params[i+2] = XDoubleToFixed (kernel[i] / sum);	833	params[i+2] = XDoubleToFixed (kernel[i] / sum);
1032	}	834	}
1033	#endif	835	#endif
1034		836
1035	bool	837	bool
1036	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)
1037	{	839	{
1038	bool ret = false;	840	bool ret = false;
1039	#if XRENDER	841	#if XRENDER
1040	if (!(bg_flags & BG_HAS_RENDER_CONV))	842	if (!(display->flags & DISPLAY_HAS_RENDER_CONV))
1041	return false;	843	return false;
1042		844
1043	int size = max (h_blurRadius, v_blurRadius) * 2 + 1;	845	int size = max (h_blurRadius, v_blurRadius) * 2 + 1;
1044	double *kernel = (double *)malloc (size * sizeof (double));	846	double *kernel = (double *)malloc (size * sizeof (double));
1045	XFixed *params = (XFixed *)malloc ((size + 2) * sizeof (XFixed));	847	XFixed *params = (XFixed *)malloc ((size + 2) * sizeof (XFixed));
1046		848
1047	XRenderPictureAttributes pa;	849	XRenderPictureAttributes pa;
1048	XRenderPictFormat *format = XRenderFindVisualFormat (dpy, visual);	850	XRenderPictFormat *format = argb ? XRenderFindStandardFormat (dpy, PictStandardARGB32)
		851	: XRenderFindVisualFormat (dpy, visual);
1049		852
		853	pa.repeat = RepeatPad;
1050	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);
1051	Picture dst = XRenderCreatePicture (dpy, pixmap, format, 0, &pa);	856	Picture dst = XRenderCreatePicture (dpy, tmp, format, CPRepeat, &pa);
		857	XFreePixmap (dpy, tmp);
1052		858
1053	if (kernel && params)	859	if (kernel && params)
1054	{	860	{
1055	if (h_blurRadius)
1056	{
1057	size = h_blurRadius * 2 + 1;	861	size = h_blurRadius * 2 + 1;
1058	get_gaussian_kernel (h_blurRadius, size, kernel, params);	862	get_gaussian_kernel (h_blurRadius, size, kernel, params);
1059		863
1060	XRenderSetPictureFilter (dpy, src, FilterConvolution, params, size+2);	864	XRenderSetPictureFilter (dpy, src, FilterConvolution, params, size+2);
1061	XRenderComposite (dpy,	865	XRenderComposite (dpy,
1062	PictOpSrc,	866	PictOpSrc,
1063	src,	867	src,
1064	None,	868	None,
1065	dst,	869	dst,
1066	0, 0,	870	0, 0,
1067	0, 0,	871	0, 0,
1068	0, 0,	872	0, 0,
1069	width, height);	873	width, height);
1070	}
1071		874
1072	if (v_blurRadius)	875	::swap (src, dst);
1073	{	876
1074	size = v_blurRadius * 2 + 1;	877	size = v_blurRadius * 2 + 1;
1075	get_gaussian_kernel (v_blurRadius, size, kernel, params);	878	get_gaussian_kernel (v_blurRadius, size, kernel, params);
1076	::swap (params[0], params[1]);	879	::swap (params[0], params[1]);
1077		880
1078	XRenderSetPictureFilter (dpy, src, FilterConvolution, params, size+2);	881	XRenderSetPictureFilter (dpy, src, FilterConvolution, params, size+2);
1079	XRenderComposite (dpy,	882	XRenderComposite (dpy,
1080	PictOpSrc,	883	PictOpSrc,
1081	src,	884	src,
1082	None,	885	None,
1083	dst,	886	dst,
1084	0, 0,	887	0, 0,
1085	0, 0,	888	0, 0,
1086	0, 0,	889	0, 0,
1087	width, height);	890	width, height);
1088	}
1089		891
1090	ret = true;	892	ret = true;
1091	}	893	}
1092		894
1093	free (kernel);	895	free (kernel);
…		…
1097	#endif	899	#endif
1098	return ret;	900	return ret;
1099	}	901	}
1100		902
1101	bool	903	bool
1102	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)
1103	{	905	{
1104	bool ret = false;	906	bool ret = false;
1105		907
1106	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))
1107	{	917	{
1108	XGCValues gcv;	918	XGCValues gcv;
1109	GC gc;	919	GC gc;
1110		920
1111	/* In this case we can tint image server-side getting significant	921	/* In this case we can tint image server-side getting significant
…		…
1121	ret = true;	931	ret = true;
1122	XFreeGC (dpy, gc);	932	XFreeGC (dpy, gc);
1123	}	933	}
1124	}	934	}
1125	# if XRENDER	935	# if XRENDER
1126	else if (bg_flags & BG_HAS_RENDER)	936	else if (display->flags & DISPLAY_HAS_RENDER)
1127	{	937	{
1128	rgba c (rgba::MAX_CC, rgba::MAX_CC, rgba::MAX_CC);
1129
1130	if (bg_flags & BG_TINT_SET)
1131	tint.get (c);
1132
1133	if (shade <= 100)	938	if (shade <= 100)
1134	{	939	{
1135	c.r = c.r * shade / 100;	940	c.r = c.r * shade / 100;
1136	c.g = c.g * shade / 100;	941	c.g = c.g * shade / 100;
1137	c.b = c.b * shade / 100;	942	c.b = c.b * shade / 100;
…		…
1141	c.r = c.r * (200 - shade) / 100;	946	c.r = c.r * (200 - shade) / 100;
1142	c.g = c.g * (200 - shade) / 100;	947	c.g = c.g * (200 - shade) / 100;
1143	c.b = c.b * (200 - shade) / 100;	948	c.b = c.b * (200 - shade) / 100;
1144	}	949	}
1145		950
1146	XRenderPictFormat *solid_format = XRenderFindStandardFormat (dpy, PictStandardARGB32);	951	XRenderPictFormat *format = argb ? XRenderFindStandardFormat (dpy, PictStandardARGB32)
1147	XRenderPictFormat *format = XRenderFindVisualFormat (dpy, visual);	952	: XRenderFindVisualFormat (dpy, visual);
1148	XRenderPictureAttributes pa;
1149		953
1150	Picture back_pic = XRenderCreatePicture (dpy, pixmap, format, 0, &pa);	954	Picture back_pic = XRenderCreatePicture (dpy, pixmap, format, 0, 0);
1151		955
1152	pa.repeat = True;	956	Picture overlay_pic = create_xrender_mask (dpy, pixmap, True, False);
1153		957
1154	Pixmap overlay_pmap = XCreatePixmap (dpy, pixmap, 1, 1, 32);	958	Picture mask_pic = create_xrender_mask (dpy, pixmap, True, True);
1155	Picture overlay_pic = XRenderCreatePicture (dpy, overlay_pmap, solid_format, CPRepeat, &pa);
1156	XFreePixmap (dpy, overlay_pmap);
1157
1158	pa.component_alpha = True;
1159	Pixmap mask_pmap = XCreatePixmap (dpy, pixmap, 1, 1, 32);
1160	Picture mask_pic = XRenderCreatePicture (dpy, mask_pmap, solid_format, CPRepeat | CPComponentAlpha, &pa);
1161	XFreePixmap (dpy, mask_pmap);
1162		959
1163	XRenderColor mask_c;	960	XRenderColor mask_c;
1164		961
1165	mask_c.alpha = 0xffff;	962	mask_c.alpha = 0xffff;
1166	mask_c.red =	963	mask_c.red =
…		…
1171	mask_c.alpha = 0;	968	mask_c.alpha = 0;
1172	mask_c.red = 0xffff - c.r;	969	mask_c.red = 0xffff - c.r;
1173	mask_c.green = 0xffff - c.g;	970	mask_c.green = 0xffff - c.g;
1174	mask_c.blue = 0xffff - c.b;	971	mask_c.blue = 0xffff - c.b;
1175	XRenderFillRectangle (dpy, PictOpSrc, mask_pic, &mask_c, 0, 0, 1, 1);	972	XRenderFillRectangle (dpy, PictOpSrc, mask_pic, &mask_c, 0, 0, 1, 1);
		973
1176	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);
1177		975
1178	if (shade > 100)	976	if (shade > 100)
1179	{	977	{
1180	mask_c.red = mask_c.green = mask_c.blue = 0xffff * (shade - 100) / 100;
1181	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;
1182	XRenderFillRectangle (dpy, PictOpSrc, overlay_pic, &mask_c, 0, 0, 1, 1);	982	XRenderFillRectangle (dpy, PictOpSrc, overlay_pic, &mask_c, 0, 0, 1, 1);
1183		983
1184	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);
1185	}	985	}
1186		986
…		…
1193	# endif	993	# endif
1194		994
1195	return ret;	995	return ret;
1196	}	996	}
1197		997
		998	# ifdef ENABLE_TRANSPARENCY
1198	/*	999	/*
1199	* 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
1200	* 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
1201	* our window.	1002	* our window.
1202	*/	1003	*/
1203	unsigned long	1004	bool
1204	rxvt_term::make_transparency_pixmap ()	1005	rxvt_term::render_root_image ()
1205	{	1006	{
1206	unsigned long result = 0;	1007	bool ret = false;
1207		1008
1208	/* 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
1209	* be always up-to-date, so let's use it :	1010	* be always up-to-date, so let's use it :
1210	*/	1011	*/
1211	int screen = display->screen;	1012	int screen = display->screen;
…		…
1245	Pixmap recoded_root_pmap = root_pixmap;	1046	Pixmap recoded_root_pmap = root_pixmap;
1246		1047
1247	if (root_pixmap != None && root_depth != depth)	1048	if (root_pixmap != None && root_depth != depth)
1248	{	1049	{
1249	#if XRENDER	1050	#if XRENDER
1250	if (bg_flags & BG_HAS_RENDER)	1051	if (display->flags & DISPLAY_HAS_RENDER)
1251	{	1052	{
1252	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);
1253		1054
1254	XRenderPictureAttributes pa;
1255
1256	XRenderPictFormat *src_format = XRenderFindVisualFormat (dpy, DefaultVisual (dpy, screen));	1055	XRenderPictFormat *src_format = XRenderFindVisualFormat (dpy, DefaultVisual (dpy, screen));
1257	Picture src = XRenderCreatePicture (dpy, root_pixmap, src_format, 0, &pa);	1056	Picture src = XRenderCreatePicture (dpy, root_pixmap, src_format, 0, 0);
1258		1057
1259	XRenderPictFormat *dst_format = XRenderFindVisualFormat (dpy, visual);	1058	XRenderPictFormat *dst_format = XRenderFindVisualFormat (dpy, visual);
1260	Picture dst = XRenderCreatePicture (dpy, recoded_root_pmap, dst_format, 0, &pa);	1059	Picture dst = XRenderCreatePicture (dpy, recoded_root_pmap, dst_format, 0, 0);
1261		1060
1262	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);
1263		1062
1264	XRenderFreePicture (dpy, src);	1063	XRenderFreePicture (dpy, src);
1265	XRenderFreePicture (dpy, dst);	1064	XRenderFreePicture (dpy, dst);
…		…
1294	gc = XCreateGC (dpy, vt, GCFillStyle | GCTile | GCTileStipXOrigin | GCTileStipYOrigin, &gcv);	1093	gc = XCreateGC (dpy, vt, GCFillStyle | GCTile | GCTileStipXOrigin | GCTileStipYOrigin, &gcv);
1295		1094
1296	if (gc)	1095	if (gc)
1297	{	1096	{
1298	XFillRectangle (dpy, bg_pixmap, gc, 0, 0, window_width, window_height);	1097	XFillRectangle (dpy, bg_pixmap, gc, 0, 0, window_width, window_height);
1299	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
1300	XFreeGC (dpy, gc);	1127	XFreeGC (dpy, gc);
1301
1302	if (!(bg_flags & BG_CLIENT_RENDER))
1303	{
1304	if (bg_flags & BG_NEEDS_BLUR)
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	{
1311	if (tint_pixmap (bg_pixmap, visual, window_width, window_height))
1312	result &= ~BG_NEEDS_TINT;
1313	}
1314	} /* server side rendering completed */
1315	}	1128	}
1316		1129
1317	if (recoded_root_pmap != root_pixmap)	1130	if (recoded_root_pmap != root_pixmap)
1318	XFreePixmap (dpy, recoded_root_pmap);	1131	XFreePixmap (dpy, recoded_root_pmap);
1319		1132
1320	return result;	1133	return ret;
1321	}	1134	}
1322		1135
1323	void	1136	void
1324	rxvt_term::bg_set_root_pixmap ()	1137	rxvt_term::bg_set_root_pixmap ()
1325	{	1138	{
…		…
1332	# endif /* ENABLE_TRANSPARENCY */	1145	# endif /* ENABLE_TRANSPARENCY */
1333		1146
1334	bool	1147	bool
1335	rxvt_term::bg_render ()	1148	rxvt_term::bg_render ()
1336	{	1149	{
1337	unsigned long tr_flags = 0;
1338
1339	bg_invalidate ();	1150	bg_invalidate ();
1340	# ifdef ENABLE_TRANSPARENCY	1151	# ifdef ENABLE_TRANSPARENCY
1341	if (bg_flags & BG_IS_TRANSPARENT)	1152	if (bg_flags & BG_IS_TRANSPARENT)
1342	{	1153	{
1343	/* we need to re-generate transparency pixmap in that case ! */	1154	/* we need to re-generate transparency pixmap in that case ! */
1344	tr_flags = make_transparency_pixmap ();	1155	if (render_root_image ())
1345	if (tr_flags == 0)
1346	return false;
1347	bg_flags |= BG_IS_VALID;	1156	bg_flags |= BG_IS_VALID;
1348	}	1157	}
1349	# endif	1158	# endif
1350		1159
1351	# ifdef BG_IMAGE_FROM_FILE	1160	# ifdef BG_IMAGE_FROM_FILE
1352	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++)
1353	|| (tr_flags & BG_EFFECTS_FLAGS))
1354	{	1162	{
1355	if (render_image (tr_flags))	1163	if (render_image (*bg_image))
1356	bg_flags |= BG_IS_VALID;	1164	bg_flags |= BG_IS_VALID;
1357	}
1358	# endif
1359
1360	# if defined(ENABLE_TRANSPARENCY) && !defined(HAVE_AFTERIMAGE)
1361	XImage *result = NULL;
1362
1363	if (tr_flags & BG_NEEDS_TINT)
1364	{
1365	result = XGetImage (dpy, bg_pixmap, 0, 0, bg_pmap_width, bg_pmap_height, AllPlanes, ZPixmap);
1366	}
1367
1368	if (result)
1369	{
1370	/* our own client-side tinting */
1371	//if (tr_flags & BG_NEEDS_TINT)
1372	if (1)
1373	tint_ximage (DefaultVisual (dpy, display->screen), result);
1374
1375	GC gc = XCreateGC (dpy, vt, 0UL, NULL);
1376
1377	if (gc)
1378	{
1379	XPutImage (dpy, bg_pixmap, gc, result, 0, 0, 0, 0, result->width, result->height);
1380
1381	XFreeGC (dpy, gc);
1382	}
1383
1384	XDestroyImage (result);
1385	}	1165	}
1386	# endif	1166	# endif
1387		1167
1388	if (!(bg_flags & BG_IS_VALID))	1168	if (!(bg_flags & BG_IS_VALID))
1389	{	1169	{
…		…
1403	}	1183	}
1404		1184
1405	void	1185	void
1406	rxvt_term::bg_init ()	1186	rxvt_term::bg_init ()
1407	{	1187	{
1408	#ifdef ENABLE_TRANSPARENCY	1188	#ifdef BG_IMAGE_FROM_FILE
1409	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 ();
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 (rgba::MAX_CC, rgba::MAX_CC, rgba::MAX_CC);	1268	rgba c (rgba::MAX_CC, rgba::MAX_CC, rgba::MAX_CC);
1522		1269
1523	if (bg_flags & BG_TINT_SET)	1270	if (tint_set)
1524	tint.get (c);	1271	tint.get (c);
1525		1272
1526	/* prepare limits for color transformation (each channel is handled separately) */	1273	/* prepare limits for color transformation (each channel is handled separately) */
1527	if (shade > 100)	1274	if (shade > 100)
1528	{	1275	{
…		…
1546	fill_lut (lookup_g, mask_g, sh_g, low, c.g);	1293	fill_lut (lookup_g, mask_g, sh_g, low, c.g);
1547	fill_lut (lookup_b, mask_b, sh_b, low, c.b);	1294	fill_lut (lookup_b, mask_b, sh_b, low, c.b);
1548		1295
1549	/* apply table to input image (replacing colors by newly calculated ones) */	1296	/* apply table to input image (replacing colors by newly calculated ones) */
1550	if (ximage->bits_per_pixel == 32	1297	if (ximage->bits_per_pixel == 32
1551	&& (ximage->depth == 24 || ximage->depth == 32)
1552	&& ximage->byte_order == host_byte_order)	1298	&& ximage->byte_order == host_byte_order)
1553	{	1299	{
1554	uint32_t *p1, *pf, *p, *pl;	1300	char *line = ximage->data;
1555	p1 = (uint32_t *) ximage->data;
1556	pf = (uint32_t *) (ximage->data + ximage->height * ximage->bytes_per_line);
1557		1301
1558	while (p1 < pf)	1302	for (int y = 0; y < ximage->height; y++)
1559	{	1303	{
1560	p = p1;	1304	uint32_t *p = (uint32_t *)line;
1561	pl = p1 + ximage->width;	1305	for (int x = 0; x < ximage->width; x++)
1562	for (; p < pl; p++)
1563	{	1306	{
1564	*p = lookup_r[(*p & 0xff0000) >> 16] |	1307	*p = lookup_r[(*p & mask_r) >> sh_r] |
1565	lookup_g[(*p & 0x00ff00) >> 8] |	1308	lookup_g[(*p & mask_g) >> sh_g] |
1566	lookup_b[(*p & 0x0000ff)] |	1309	lookup_b[(*p & mask_b) >> sh_b];
1567	(*p & 0xff000000);	1310	p++;
1568	}	1311	}
1569	p1 = (uint32_t *) ((char *) p1 + ximage->bytes_per_line);	1312	line += ximage->bytes_per_line;
1570	}	1313	}
1571	}	1314	}
1572	else	1315	else
1573	{	1316	{
1574	for (int y = 0; y < ximage->height; y++)	1317	for (int y = 0; y < ximage->height; y++)
…		…
1582	}	1325	}
1583	}	1326	}
1584		1327
1585	free (lookup);	1328	free (lookup);
1586	}	1329	}
1587	#endif /* defined(ENABLE_TRANSPARENCY) && !defined(HAVE_AFTERIMAGE) */	1330
		1331	#endif /* HAVE_BG_PIXMAP */

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