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Comparing rxvt-unicode/src/background.C (file contents):
Revision 1.158 by sf-exg, Wed Aug 10 07:28:36 2011 UTC vs.
Revision 1.230 by sf-exg, Sun Jun 3 15:50:22 2012 UTC

…		…
3	*----------------------------------------------------------------------*	3	*----------------------------------------------------------------------*
4	*	4	*
5	* All portions of code are copyright by their respective author/s.	5	* All portions of code are copyright by their respective author/s.
6	* Copyright (c) 2005-2008 Marc Lehmann <schmorp@schmorp.de>	6	* Copyright (c) 2005-2008 Marc Lehmann <schmorp@schmorp.de>
7	* Copyright (c) 2007 Sasha Vasko <sasha@aftercode.net>	7	* Copyright (c) 2007 Sasha Vasko <sasha@aftercode.net>
8	* Copyright (c) 2010 Emanuele Giaquinta <e.giaquinta@glauco.it>	8	* Copyright (c) 2010-2012 Emanuele Giaquinta <e.giaquinta@glauco.it>
9	*	9	*
10	* This program is free software; you can redistribute it and/or modify	10	* This program is free software; you can redistribute it and/or modify
11	* it under the terms of the GNU General Public License as published by	11	* it under the terms of the GNU General Public License as published by
12	* the Free Software Foundation; either version 2 of the License, or	12	* the Free Software Foundation; either version 2 of the License, or
13	* (at your option) any later version.	13	* (at your option) any later version.
…		…
20	* You should have received a copy of the GNU General Public License	20	* You should have received a copy of the GNU General Public License
21	* along with this program; if not, write to the Free Software	21	* along with this program; if not, write to the Free Software
22	* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.	22	* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
23	*---------------------------------------------------------------------*/	23	*---------------------------------------------------------------------*/
24		24
25	#include <cmath>	25	#include <math.h>
26	#include "../config.h" /* NECESSARY */	26	#include "../config.h" /* NECESSARY */
27	#include "rxvt.h" /* NECESSARY */	27	#include "rxvt.h" /* NECESSARY */
28		28
29	#if XRENDER	29	#if XRENDER
30	# include <X11/extensions/Xrender.h>	30	# include <X11/extensions/Xrender.h>
…		…
32		32
33	#ifndef FilterConvolution	33	#ifndef FilterConvolution
34	#define FilterConvolution "convolution"	34	#define FilterConvolution "convolution"
35	#endif	35	#endif
36		36
37	/*	37	#ifndef RepeatPad
38	* Pixmap geometry string interpretation :	38	#define RepeatPad True
39	* Each geometry string contains zero or one scale/position	39	#endif
40	* adjustment and may optionally be followed by a colon and one or more
41	* colon-delimited pixmap operations.
42	* The following table shows the valid geometry strings and their
43	* effects on the background image :
44	*
45	* WxH+X+Y Set scaling to W% by H%, and position to X% by Y%.
46	* W and H are percentages of the terminal window size.
47	* X and Y are also percentages; e.g., +50+50 centers
48	* the image in the window.
49	*
50	* Pixmap Operations : (should be prepended by a colon)
51	* tile Tile image. Scaling/position modifiers above will affect
52	* the tile size and origin.
53	* propscale When scaling, scale proportionally. That is, maintain the
54	* proper aspect ratio for the image. Any portion of the
55	* background not covered by the image is filled with the
56	* current background color.
57	* scale Scale both up and down
58	*/
59		40
60	#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
61	void	60	void
62	rxvt_term::bg_destroy ()	61	rxvt_term::bg_destroy ()
63	{	62	{
64	#ifdef HAVE_AFTERIMAGE	63	# ifdef BG_IMAGE_FROM_FILE
65	if (original_asim)	64	for (vector<rxvt_image>::iterator bg_image = image_vec.begin (); bg_image < image_vec.end (); bg_image++)
66	safe_asimage_destroy (original_asim);	65	bg_image->destroy ();
67	if (asv)
68	destroy_asvisual (asv, 0);
69	if (asimman)
70	destroy_image_manager (asimman, 0);
71	#endif	66	# endif
72
73	#ifdef HAVE_PIXBUF
74	if (pixbuf)
75	g_object_unref (pixbuf);
76	#endif
77		67
78	if (bg_pixmap)	68	if (bg_pixmap)
79	XFreePixmap (dpy, bg_pixmap);	69	XFreePixmap (dpy, bg_pixmap);
80	}	70	}
81		71
…		…
100	if (bg_flags & BG_IS_TRANSPARENT)	90	if (bg_flags & BG_IS_TRANSPARENT)
101	return true;	91	return true;
102	# endif	92	# endif
103		93
104	# ifdef BG_IMAGE_FROM_FILE	94	# ifdef BG_IMAGE_FROM_FILE
105	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++)
106	{	96	{
107	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)
108	return true;	100	return true;
109	}	101	}
110	# endif	102	# endif
111		103
112	return false;	104	return false;
…		…
119	if (bg_flags & BG_IS_TRANSPARENT)	111	if (bg_flags & BG_IS_TRANSPARENT)
120	return true;	112	return true;
121	# endif	113	# endif
122		114
123	# ifdef BG_IMAGE_FROM_FILE	115	# ifdef BG_IMAGE_FROM_FILE
124	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++)
125	{	117	{
126	if (bg_flags & BG_ROOT_ALIGN)	118	if (bg_image->flags & IM_ROOT_ALIGN)
127	return true;	119	return true;
128	}	120	}
129	# endif	121	# endif
130		122
131	return false;	123	return false;
132	}	124	}
133		125
134	# ifdef BG_IMAGE_FROM_FILE	126	# ifdef BG_IMAGE_FROM_FILE
135	static inline bool
136	check_set_scale_value (int geom_flags, int flag, unsigned int &scale, unsigned int new_value)
137	{
138	if (geom_flags & flag)
139	{
140	if (new_value > 1000)
141	new_value = 1000;
142	if (new_value != scale)
143	{
144	scale = new_value;
145	return true;
146	}
147	}
148	return false;
149	}
150
151	static inline bool
152	check_set_align_value (int geom_flags, int flag, int &align, int new_value)
153	{
154	if (geom_flags & flag)
155	{
156	if (new_value < -100)
157	new_value = -100;
158	else if (new_value > 200)
159	new_value = 200;
160	if (new_value != align)
161	{
162	align = new_value;
163	return true;
164	}
165	}
166	return false;
167	}
168
169	static inline int	127	static inline int
170	make_align_position (int align, int window_size, int image_size)	128	make_align_position (int align, int window_size, int image_size)
171	{	129	{
172	int diff = window_size - image_size;
173	int smaller = min (image_size, window_size);
174
175	if (align >= 0 && align <= 100)	130	if (align >= 0 && align <= 100)
176	return diff * align / 100;	131	return lerp (0, window_size - image_size, align);
177	else if (align > 100 && align <= 200)	132	else if (align > 100)
178	return ((align - 100) * smaller / 100) + window_size - smaller;	133	return lerp (window_size - image_size, window_size, align - 100);
179	else if (align >= -100 && align < 0)	134	else
180	return ((align + 100) * smaller / 100) - image_size;	135	return lerp (-image_size, 0, align + 100);
181	return 0;
182	}	136	}
183		137
184	static inline int	138	static inline int
185	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)
186	{	140	{
…		…
192	src_pos = -pos;	146	src_pos = -pos;
193	dst_pos = 0;	147	dst_pos = 0;
194	dst_size += pos;	148	dst_size += pos;
195	}	149	}
196		150
197	if (dst_pos + dst_size > target_size)
198	dst_size = target_size - dst_pos;	151	min_it (dst_size, target_size - dst_pos);
199	return src_pos;	152	return src_pos;
200	}	153	}
201		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
202	bool	190	bool
203	rxvt_term::bg_set_geometry (const char *geom, bool update)	191	rxvt_image::set_geometry (const char *geom, bool update)
204	{	192	{
205	bool changed = false;	193	bool changed = false;
206	int geom_flags = 0;	194	int geom_flags = 0;
207	int x = 0, y = 0;	195	int x = h_align;
		196	int y = v_align;
208	unsigned int w = 0, h = 0;	197	unsigned int w = h_scale;
209	unsigned int n;	198	unsigned int h = v_scale;
210	unsigned long new_flags = (bg_flags & (~BG_GEOMETRY_FLAGS));	199	uint8_t new_flags = 0;
211	const char *ops;
212		200
213	if (geom == NULL)	201	if (geom == NULL)
214	return false;	202	return false;
215		203
216	char str[256];	204	if (geom[0])
217
218	ops = strchr (geom, ':');
219	if (ops == NULL)
220	n = strlen (geom);
221	else
222	n = ops - geom;
223
224	if (n >= sizeof (str))
225	return false;
226
227	memcpy (str, geom, n);
228	str[n] = '\0';
229	rxvt_strtrim (str);
230
231	if (str[0])
232	{	205	{
233	/* we have geometry string - let's handle it prior to applying ops */	206	char **arr = rxvt_strsplit (':', geom);
		207
		208	for (int i = 0; arr[i]; i++)
		209	{
		210	if (!strncasecmp (arr[i], "style=", 6))
		211	{
		212	parse_style (arr[i] + 6, x, y, w, h, new_flags);
		213	geom_flags = WidthValue|HeightValue|XValue|YValue;
		214	}
		215	else if (!strcasecmp (arr[i], "op=tile"))
		216	new_flags |= IM_TILE;
		217	else if (!strcasecmp (arr[i], "op=keep-aspect"))
		218	new_flags |= IM_KEEP_ASPECT;
		219	else if (!strcasecmp (arr[i], "op=root-align"))
		220	new_flags |= IM_ROOT_ALIGN;
		221
		222	// deprecated
		223	else if (!strcasecmp (arr[i], "tile"))
		224	{
		225	new_flags |= IM_TILE;
		226	w = h = noScale;
		227	geom_flags |= WidthValue|HeightValue;
		228	}
		229	else if (!strcasecmp (arr[i], "propscale"))
		230	{
		231	new_flags |= IM_KEEP_ASPECT;
		232	w = h = windowScale;
		233	geom_flags |= WidthValue|HeightValue;
		234	}
		235	else if (!strcasecmp (arr[i], "hscale"))
		236	{
		237	new_flags |= IM_TILE;
		238	w = windowScale;
		239	h = noScale;
		240	geom_flags |= WidthValue|HeightValue;
		241	}
		242	else if (!strcasecmp (arr[i], "vscale"))
		243	{
		244	new_flags |= IM_TILE;
		245	h = windowScale;
		246	w = noScale;
		247	geom_flags |= WidthValue|HeightValue;
		248	}
		249	else if (!strcasecmp (arr[i], "scale"))
		250	{
		251	w = h = windowScale;
		252	geom_flags |= WidthValue|HeightValue;
		253	}
		254	else if (!strcasecmp (arr[i], "auto"))
		255	{
		256	w = h = windowScale;
		257	x = y = centerAlign;
		258	geom_flags |= WidthValue|HeightValue|XValue|YValue;
		259	}
		260	else if (!strcasecmp (arr[i], "root"))
		261	{
		262	new_flags |= IM_TILE|IM_ROOT_ALIGN;
		263	w = h = noScale;
		264	geom_flags |= WidthValue|HeightValue;
		265	}
		266
		267	else
234	geom_flags = XParseGeometry (str, &x, &y, &w, &h);	268	geom_flags |= XParseGeometry (arr[i], &x, &y, &w, &h);
235	} /* done parsing geometry string */	269	} /* done parsing ops */
		270
		271	rxvt_free_strsplit (arr);
		272	}
		273
		274	new_flags |= flags & ~IM_GEOMETRY_FLAGS;
236		275
237	if (!update)	276	if (!update)
238	{	277	{
239	if (!(geom_flags & XValue))	278	if (!(geom_flags & XValue))
240	x = y = defaultAlign;	279	x = y = defaultAlign;
…		…
245	w = h = defaultScale;	284	w = h = defaultScale;
246	else if (!(geom_flags & HeightValue))	285	else if (!(geom_flags & HeightValue))
247	h = w;	286	h = w;
248	else if (!(geom_flags & WidthValue))	287	else if (!(geom_flags & WidthValue))
249	w = h;	288	w = h;
250
251	geom_flags |= WidthValue|HeightValue|XValue|YValue;
252	}
253
254	if (ops)
255	{	289	}
256	char **arr = rxvt_strsplit (':', ops + 1);
257		290
258	for (int i = 0; arr[i]; i++)	291	clamp_it (x, -100, 200);
259	{	292	clamp_it (y, -100, 200);
260	if (!strcasecmp (arr[i], "tile"))
261	{
262	new_flags |= BG_TILE;
263	w = h = noScale;
264	geom_flags |= WidthValue|HeightValue;
265	}
266	else if (!strcasecmp (arr[i], "propscale"))
267	{
268	new_flags |= BG_PROP_SCALE;
269	}
270	else if (!strcasecmp (arr[i], "scale"))
271	{
272	if (h == 0) h = windowScale;
273	if (w == 0) w = windowScale;
274		293
275	geom_flags |= WidthValue|HeightValue;	294	if (flags != new_flags
276	}	295	|| h_scale != w
277	else if (!strcasecmp (arr[i], "root"))	296	|| v_scale != h
278	{	297	|| h_align != x
279	new_flags |= BG_TILE|BG_ROOT_ALIGN;	298	|| v_align != y)
280	w = h = noScale;
281	geom_flags |= WidthValue|HeightValue;
282	}
283	} /* done parsing ops */
284
285	rxvt_free_strsplit (arr);
286	}	299	{
287
288	if (check_set_scale_value (geom_flags, WidthValue, h_scale, w)) changed = true;
289	if (check_set_scale_value (geom_flags, HeightValue, v_scale, h)) changed = true;
290	if (check_set_align_value (geom_flags, XValue, h_align, x)) changed = true;
291	if (check_set_align_value (geom_flags, YValue, v_align, y)) changed = true;
292
293	if (new_flags != bg_flags)
294	{
295	bg_flags = new_flags;	300	flags = new_flags;
		301	h_scale = w;
		302	v_scale = h;
		303	h_align = x;
		304	v_align = y;
296	changed = true;	305	changed = true;
297	}	306	}
298		307
		308	if (is_size_sensitive ())
		309	flags |= IM_IS_SIZE_SENSITIVE;
		310	else
		311	flags &= ~IM_IS_SIZE_SENSITIVE;
		312
299	return changed;	313	return changed;
300	}	314	}
301		315
302	void	316	void
303	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)
304	{	318	{
		319	int image_width = image.width ();
		320	int image_height = image.height ();
305	int target_width = szHint.width;	321	int target_width = szHint.width;
306	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);
307		325
308	if (bg_flags & BG_PROP_SCALE)	326	w = h_scale * target_width / 100;
		327	h = v_scale * target_height / 100;
		328
		329	if (image.flags & IM_KEEP_ASPECT)
309	{	330	{
310	float scale = (float)target_width / image_width;	331	float scale = (float)w / image_width;
311	min_it (scale, (float)target_height / image_height);	332	min_it (scale, (float)h / image_height);
312	w = image_width * scale + 0.5;	333	w = image_width * scale + 0.5;
313	h = image_height * scale + 0.5;	334	h = image_height * scale + 0.5;
314	}	335	}
315	else
316	{
317	w = h_scale * target_width / 100;
318	h = v_scale * target_height / 100;
319	}
320		336
321	if (!w) w = image_width;	337	if (!w) w = image_width;
322	if (!h) h = image_height;	338	if (!h) h = image_height;
323		339
324	if (bg_flags & BG_ROOT_ALIGN)	340	if (image.flags & IM_ROOT_ALIGN)
325	{	341	{
326	x = -target_x;	342	x = -target_x;
327	y = -target_y;	343	y = -target_y;
328	}	344	}
329	else	345	else
330	{	346	{
331	x = make_align_position (h_align, target_width, w);	347	x = make_align_position (image.h_align, target_width, w);
332	y = make_align_position (v_align, target_height, h);	348	y = make_align_position (image.v_align, target_height, h);
333	}
334
335	bg_flags &= ~BG_IS_SIZE_SENSITIVE;
336	if (!(bg_flags & BG_TILE)
337	|| (bg_flags & BG_PROP_SCALE) || h_scale || v_scale
338	|| (!(bg_flags & BG_ROOT_ALIGN) && (h_align || v_align))
339	|| w > target_width || h > target_height)
340	bg_flags |= BG_IS_SIZE_SENSITIVE;
341	}
342
343	# ifdef HAVE_AFTERIMAGE
344	bool
345	rxvt_term::render_image (unsigned long tr_flags)
346	{
347	init_asv ();
348
349	ASImage *background = NULL;
350	ARGB32 background_tint = TINT_LEAVE_SAME;
351
352	# ifdef ENABLE_TRANSPARENCY
353	if (tr_flags)
354	background = pixmap2ximage (asv, bg_pixmap, 0, 0, bg_pmap_width, bg_pmap_height, AllPlanes, 100);
355
356	if (tr_flags & BG_NEEDS_TINT)
357	{	349	}
358	ShadingInfo as_shade;	350	}
359	as_shade.shading = shade;
360		351
361	rgba c (rgba::MAX_CC,rgba::MAX_CC,rgba::MAX_CC);	352	# ifdef HAVE_PIXBUF
362	if (bg_flags & BG_TINT_SET)	353	bool
363	tint.get (c);	354	rxvt_term::pixbuf_to_pixmap (GdkPixbuf *pixbuf, Pixmap pixmap, GC gc,
364	as_shade.tintColor.red = c.r;	355	int src_x, int src_y, int dst_x, int dst_y,
365	as_shade.tintColor.green = c.g;	356	unsigned int width, unsigned int height, bool argb)
366	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;
367		366
368	background_tint = shading2tint32 (&as_shade);	367	if (visual->c_class != TrueColor)
		368	return false;
		369
		370	if (argb)
369	}	371	{
370		372	red_mask = 0xff << 16;
371	if ((tr_flags & BG_NEEDS_BLUR) && background != NULL)	373	green_mask = 0xff << 8;
		374	blue_mask = 0xff;
		375	alpha_mask = 0xff << 24;
372	{	376	}
373	ASImage *tmp = blur_asimage_gauss (asv, background, h_blurRadius, v_blurRadius, 0xFFFFFFFF,	377	else
374	(original_asim == NULL || tint == TINT_LEAVE_SAME) ? ASA_XImage : ASA_ASImage,	378	{
375	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);
376	if (tmp)	384	if (format)
377	{	385	alpha_mask = (uint32_t)format->direct.alphaMask << format->direct.alpha;
378	destroy_asimage (&background);	386	else
379	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++)
380	}	439	{
381	}	440	unsigned char *pixel = row + x * channels;
382	# endif	441	uint32_t value;
		442	unsigned char r, g, b, a;
383		443
384	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);
385		496
386	int target_width = szHint.width;	497	int target_width = szHint.width;
387	int target_height = szHint.height;	498	int target_height = szHint.height;
388	int new_pmap_width = target_width;	499	int new_pmap_width = target_width;
389	int new_pmap_height = target_height;	500	int new_pmap_height = target_height;
…		…
391	int x = 0;	502	int x = 0;
392	int y = 0;	503	int y = 0;
393	int w = 0;	504	int w = 0;
394	int h = 0;	505	int h = 0;
395		506
396	if (original_asim)	507	get_image_geometry (image, w, h, x, y);
397	get_image_geometry (original_asim->width, original_asim->height, w, h, x, y);
398		508
399	if (!original_asim	509	if (!(image.flags & IM_ROOT_ALIGN)
400	|| (!(bg_flags & BG_ROOT_ALIGN)
401	&& (x >= target_width	510	&& (x >= target_width
402	|| y >= target_height	511	|| y >= target_height
403	|| (x + w <= 0)	512	|| x + w <= 0
404	|| (y + h <= 0))))	513	|| y + h <= 0))
405	{	514	return false;
406	if (background)
407	{
408	new_pmap_width = background->width;
409	new_pmap_height = background->height;
410	result = background;
411		515
412	if (background_tint != TINT_LEAVE_SAME)	516	result = pixbuf;
413	{	517
414	ASImage *tmp = tile_asimage (asv, background, 0, 0,	518	if (w != image_width
415	target_width, target_height, background_tint,	519	|| h != image_height)
416	ASA_XImage, 100, ASIMAGE_QUALITY_DEFAULT);
417	if (tmp)
418	result = tmp;
419	}
420	}
421	else
422	new_pmap_width = new_pmap_height = 0;
423	}	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);
424	else	540	else
425	{	541	{
426	result = original_asim;	542	// optimise bg pixmap size when tiling, but only if there are no
427		543	// other pixbufs to render. Otherwise, the bg pixmap size must
428	if ((w != original_asim->width)	544	// be equal to the window size.
429	|| (h != original_asim->height))	545	if ((image.flags & IM_TILE)
430	{	546	&& image_vec.size () == 1)
431	result = scale_asimage (asv, original_asim,
432	w, h,
433	background ? ASA_ASImage : ASA_XImage,
434	100, ASIMAGE_QUALITY_DEFAULT);
435	}	547	{
436		548	new_pmap_width = min (image_width, target_width);
437	if (background == NULL)	549	new_pmap_height = min (image_height, target_height);
438	{	550	}
439	if (bg_flags & BG_TILE)
440	{
441	/* if tiling - pixmap has to be sized exactly as the image,
442	but there is no need to make it bigger than the window! */
443	new_pmap_width = min (result->width, target_width);
444	new_pmap_height = min (result->height, target_height);
445		551
446	/* we also need to tile our image in both directions */
447	ASImage *tmp = tile_asimage (asv, result,
448	(int)result->width - x,
449	(int)result->height - y,
450	new_pmap_width,
451	new_pmap_height,
452	TINT_LEAVE_SAME, ASA_XImage,
453	100, ASIMAGE_QUALITY_DEFAULT);
454	if (tmp)
455	{
456	if (result != original_asim)
457	destroy_asimage (&result);
458
459	result = tmp;
460	}
461	}
462	}
463	else
464	{
465	/* if blending background and image - pixmap has to be sized same as target window */
466	ASImageLayer *layers = create_image_layers (2);
467
468	layers[0].im = background;
469	layers[0].clip_width = target_width;
470	layers[0].clip_height = target_height;
471	layers[0].tint = background_tint;
472	layers[1].im = result;
473
474	if (bg_flags & BG_TILE)
475	{
476	/* tile horizontally */
477	while (x > 0) x -= (int)result->width;
478	layers[1].dst_x = x;
479	layers[1].clip_width = result->width+target_width;
480	}
481	else
482	{
483	/* clip horizontally */
484	layers[1].dst_x = x;
485	layers[1].clip_width = result->width;
486	}
487
488	if (bg_flags & BG_TILE)
489	{
490	while (y > 0) y -= (int)result->height;
491	layers[1].dst_y = y;
492	layers[1].clip_height = result->height + target_height;
493	}
494	else
495	{
496	layers[1].dst_y = y;
497	layers[1].clip_height = result->height;
498	}
499
500	if (rs[Rs_blendtype])
501	{
502	layers[1].merge_scanlines = blend_scanlines_name2func (rs[Rs_blendtype]);
503	if (layers[1].merge_scanlines == NULL)
504	layers[1].merge_scanlines = alphablend_scanlines;
505	}
506
507	ASImage *tmp = merge_layers (asv, layers, 2, target_width, target_height,
508	ASA_XImage, 0, ASIMAGE_QUALITY_DEFAULT);
509
510	if (tmp)
511	{
512	if (result != original_asim)
513	destroy_asimage (&result);
514
515	result = tmp;
516	}
517
518	free (layers);
519	}
520	}
521
522	bool ret = false;
523
524	if (result)
525	{
526	XGCValues gcv;
527	GC gc;
528
529	/* create Pixmap */
530	if (bg_pixmap == None	552	if (bg_pixmap == None
531	|| bg_pmap_width != new_pmap_width	553	|| bg_pmap_width != new_pmap_width
532	|| bg_pmap_height != new_pmap_height)	554	|| bg_pmap_height != new_pmap_height)
533	{	555	{
534	if (bg_pixmap)	556	if (bg_pixmap)
535	XFreePixmap (dpy, bg_pixmap);	557	XFreePixmap (dpy, bg_pixmap);
536	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);
537	bg_pmap_width = new_pmap_width;	559	bg_pmap_width = new_pmap_width;
538	bg_pmap_height = new_pmap_height;	560	bg_pmap_height = new_pmap_height;
539	}	561	}
540	/* fill with background color (if result's not completely overlapping it) */
541	gcv.foreground = pix_colors[Color_bg];
542	gc = XCreateGC (dpy, vt, GCForeground, &gcv);
543		562
544	int src_x = 0, src_y = 0, dst_x = 0, dst_y = 0;
545	int dst_width = result->width, dst_height = result->height;
546	if (background == NULL)
547	{
548	if (!(bg_flags & BG_TILE))
549	{
550	src_x = make_clip_rectangle (x, result->width , new_pmap_width , dst_x, dst_width );
551	src_y = make_clip_rectangle (y, result->height, new_pmap_height, dst_y, dst_height);
552	}
553
554	if (dst_x > 0 || dst_y > 0
555	|| dst_x + dst_width < new_pmap_width
556	|| dst_y + dst_height < new_pmap_height)
557	XFillRectangle (dpy, bg_pixmap, gc, 0, 0, new_pmap_width, new_pmap_height);
558	}
559
560	/* put result on pixmap */
561	if (dst_x < new_pmap_width && dst_y < new_pmap_height)
562	asimage2drawable (asv, bg_pixmap, result, gc, src_x, src_y, dst_x, dst_y, dst_width, dst_height, True);
563
564	if (result != background && result != original_asim)
565	destroy_asimage (&result);
566
567	XFreeGC (dpy, gc);
568
569	ret = true;
570	}
571
572	if (background)
573	destroy_asimage (&background);
574
575	return ret;
576	}
577	# endif /* HAVE_AFTERIMAGE */
578
579	# ifdef HAVE_PIXBUF
580	bool
581	rxvt_term::pixbuf_to_pixmap (GdkPixbuf *pixbuf, Pixmap pixmap, GC gc,
582	int src_x, int src_y, int dst_x, int dst_y,
583	unsigned int width, unsigned int height)
584	{
585	XImage *ximage;
586	char *data, *line;
587	int bytes_per_pixel;
588	int width_r, width_g, width_b;
589	int sh_r, sh_g, sh_b;
590	int rowstride;
591	int channels;
592	unsigned char *row;
593
594	if (visual->c_class != TrueColor)
595	return false;
596
597	if (depth == 24 || depth == 32)
598	bytes_per_pixel = 4;
599	else if (depth == 15 || depth == 16)
600	bytes_per_pixel = 2;
601	else
602	return false;
603
604	width_r = ecb_popcount32 (visual->red_mask);
605	width_g = ecb_popcount32 (visual->green_mask);
606	width_b = ecb_popcount32 (visual->blue_mask);
607
608	if (width_r > 8 || width_g > 8 || width_b > 8)
609	return false;
610
611	sh_r = ecb_ctz32 (visual->red_mask);
612	sh_g = ecb_ctz32 (visual->green_mask);
613	sh_b = ecb_ctz32 (visual->blue_mask);
614
615	if (width > INT_MAX / height / bytes_per_pixel)
616	return false;
617
618	data = (char *)malloc (width * height * bytes_per_pixel);
619	if (!data)
620	return false;
621
622	ximage = XCreateImage (dpy, visual, depth, ZPixmap, 0, data,
623	width, height, bytes_per_pixel * 8, 0);
624	if (!ximage)
625	{
626	free (data);
627	return false;
628	}
629
630	ximage->byte_order = ecb_big_endian () ? MSBFirst : LSBFirst;
631
632	rowstride = gdk_pixbuf_get_rowstride (pixbuf);
633	channels = gdk_pixbuf_get_n_channels (pixbuf);
634	row = gdk_pixbuf_get_pixels (pixbuf) + src_y * rowstride + src_x * channels;
635	line = data;
636
637	for (int y = 0; y < height; y++)
638	{
639	for (int x = 0; x < width; x++)
640	{
641	unsigned char *pixel = row + x * channels;
642	uint32_t value;
643
644	value = ((pixel[0] >> (8 - width_r)) << sh_r)
645	| ((pixel[1] >> (8 - width_g)) << sh_g)
646	| ((pixel[2] >> (8 - width_b)) << sh_b);
647
648	if (bytes_per_pixel == 4)
649	((uint32_t *)line)[x] = value;
650	else
651	((uint16_t *)line)[x] = value;
652	}
653
654	row += rowstride;
655	line += ximage->bytes_per_line;
656	}
657
658	XPutImage (dpy, pixmap, gc, ximage, 0, 0, dst_x, dst_y, width, height);
659	XDestroyImage (ximage);
660	return true;
661	}
662
663	bool
664	rxvt_term::render_image (unsigned long tr_flags)
665	{
666	if (!pixbuf)
667	return false;
668
669	if (tr_flags
670	&& !(bg_flags & BG_HAS_RENDER))
671	return false;
672
673	GdkPixbuf *result;
674
675	int image_width = gdk_pixbuf_get_width (pixbuf);
676	int image_height = gdk_pixbuf_get_height (pixbuf);
677
678	int target_width = szHint.width;
679	int target_height = szHint.height;
680	int new_pmap_width = target_width;
681	int new_pmap_height = target_height;
682
683	int x = 0;
684	int y = 0;
685	int w = 0;
686	int h = 0;
687
688	get_image_geometry (image_width, image_height, w, h, x, y);
689
690	if (!(bg_flags & BG_ROOT_ALIGN)
691	&& (x >= target_width
692	|| y >= target_height
693	|| (x + w <= 0)
694	|| (y + h <= 0)))
695	return false;
696
697	result = pixbuf;
698
699	if ((w != image_width)
700	|| (h != image_height))
701	{
702	result = gdk_pixbuf_scale_simple (pixbuf,
703	w, h,
704	GDK_INTERP_BILINEAR);
705	}
706
707	if (!result)
708	return false;
709
710	bool ret = false;
711
712	XGCValues gcv;
713	GC gc;
714	Pixmap root_pmap;
715
716	image_width = gdk_pixbuf_get_width (result);
717	image_height = gdk_pixbuf_get_height (result);
718
719	if (tr_flags)
720	{
721	root_pmap = bg_pixmap;	563	tmp_pixmap = bg_pixmap;
722	bg_pixmap = None;
723	}
724	else
725	{
726	if (bg_flags & BG_TILE)
727	{
728	new_pmap_width = min (image_width, target_width);
729	new_pmap_height = min (image_height, target_height);
730	}
731	}
732
733	if (bg_pixmap == None
734	|| bg_pmap_width != new_pmap_width
735	|| bg_pmap_height != new_pmap_height)
736	{
737	if (bg_pixmap)
738	XFreePixmap (dpy, bg_pixmap);
739	bg_pixmap = XCreatePixmap (dpy, vt, new_pmap_width, new_pmap_height, depth);
740	bg_pmap_width = new_pmap_width;
741	bg_pmap_height = new_pmap_height;
742	}	564	}
743		565
744	gcv.foreground = pix_colors[Color_bg];	566	gcv.foreground = pix_colors[Color_bg];
745	gc = XCreateGC (dpy, vt, GCForeground, &gcv);	567	gc = XCreateGC (dpy, tmp_pixmap, GCForeground, &gcv);
746		568
747	if (gc)	569	if (gc)
748	{	570	{
749	if (bg_flags & BG_TILE)	571	if (image.flags & IM_TILE)
750	{	572	{
751	Pixmap tile = XCreatePixmap (dpy, vt, image_width, image_height, depth);	573	Pixmap tile = XCreatePixmap (dpy, vt, image_width, image_height, need_blend ? 32 : depth);
752	pixbuf_to_pixmap (result, tile, gc,	574	pixbuf_to_pixmap (result, tile, gc,
753	0, 0,	575	0, 0,
754	0, 0,	576	0, 0,
755	image_width, image_height);	577	image_width, image_height, need_blend);
756		578
757	gcv.tile = tile;	579	gcv.tile = tile;
758	gcv.fill_style = FillTiled;	580	gcv.fill_style = FillTiled;
759	gcv.ts_x_origin = x;	581	gcv.ts_x_origin = x;
760	gcv.ts_y_origin = y;	582	gcv.ts_y_origin = y;
761	XChangeGC (dpy, gc, GCFillStyle | GCTile | GCTileStipXOrigin | GCTileStipYOrigin, &gcv);	583	XChangeGC (dpy, gc, GCFillStyle | GCTile | GCTileStipXOrigin | GCTileStipYOrigin, &gcv);
762		584
763	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);
764	XFreePixmap (dpy, tile);	586	XFreePixmap (dpy, tile);
765	}	587	}
766	else	588	else
767	{	589	{
768	int src_x, src_y, dst_x, dst_y;	590	int src_x, src_y, dst_x, dst_y;
…		…
772	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);
773		595
774	if (dst_x > 0 || dst_y > 0	596	if (dst_x > 0 || dst_y > 0
775	|| dst_x + dst_width < new_pmap_width	597	|| dst_x + dst_width < new_pmap_width
776	|| dst_y + dst_height < new_pmap_height)	598	|| dst_y + dst_height < new_pmap_height)
777	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);
778		600
779	if (dst_x < new_pmap_width && dst_y < new_pmap_height)	601	if (dst_x < new_pmap_width && dst_y < new_pmap_height)
780	pixbuf_to_pixmap (result, bg_pixmap, gc,	602	pixbuf_to_pixmap (result, tmp_pixmap, gc,
781	src_x, src_y,	603	src_x, src_y,
782	dst_x, dst_y,	604	dst_x, dst_y,
783	dst_width, dst_height);	605	dst_width, dst_height, need_blend);
784	}	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);
785		612
786	#if XRENDER	613	#if XRENDER
787	if (tr_flags)	614	if (need_blend)
788	{	615	{
789	XRenderPictureAttributes pa;	616	XRenderPictFormat *argb_format = XRenderFindStandardFormat (dpy, PictStandardARGB32);
790
791	XRenderPictFormat *src_format = XRenderFindVisualFormat (dpy, visual);	617	XRenderPictFormat *format = XRenderFindVisualFormat (dpy, visual);
		618
792	Picture src = XRenderCreatePicture (dpy, root_pmap, src_format, 0, &pa);	619	Picture src = XRenderCreatePicture (dpy, tmp_pixmap, argb_format, 0, 0);
793		620
794	XRenderPictFormat *dst_format = XRenderFindVisualFormat (dpy, visual);
795	Picture dst = XRenderCreatePicture (dpy, bg_pixmap, dst_format, 0, &pa);	621	Picture dst = XRenderCreatePicture (dpy, bg_pixmap, format, 0, 0);
796		622
797	pa.repeat = True;	623	Picture mask = create_xrender_mask (dpy, vt, False, False);
798	Pixmap mask_pmap = XCreatePixmap (dpy, vt, 1, 1, 8);
799	XRenderPictFormat *mask_format = XRenderFindStandardFormat (dpy, PictStandardA8);
800	Picture mask = XRenderCreatePicture (dpy, mask_pmap, mask_format, CPRepeat, &pa);
801	XFreePixmap (dpy, mask_pmap);
802		624
803	XRenderColor mask_c;	625	XRenderColor mask_c;
804		626
805	mask_c.alpha = 0x8000;	627	mask_c.alpha = image.alpha;
806	mask_c.red = 0;	628	mask_c.red =
807	mask_c.green = 0;	629	mask_c.green =
808	mask_c.blue = 0;	630	mask_c.blue = 0;
809	XRenderFillRectangle (dpy, PictOpSrc, mask, &mask_c, 0, 0, 1, 1);	631	XRenderFillRectangle (dpy, PictOpSrc, mask, &mask_c, 0, 0, 1, 1);
		632
810	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);
811		634
812	XRenderFreePicture (dpy, src);	635	XRenderFreePicture (dpy, src);
813	XRenderFreePicture (dpy, dst);	636	XRenderFreePicture (dpy, dst);
814	XRenderFreePicture (dpy, mask);	637	XRenderFreePicture (dpy, mask);
…		…
821	}	644	}
822		645
823	if (result != pixbuf)	646	if (result != pixbuf)
824	g_object_unref (result);	647	g_object_unref (result);
825		648
826	if (tr_flags)	649	if (need_blend)
827	XFreePixmap (dpy, root_pmap);	650	XFreePixmap (dpy, tmp_pixmap);
828		651
829	return ret;	652	return ret;
830	}	653	}
831	# endif /* HAVE_PIXBUF */	654	# endif /* HAVE_PIXBUF */
832		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
833	bool	703	bool
834	rxvt_term::bg_set_file (const char *file)	704	rxvt_image::set_file_geometry (const char *file)
835	{	705	{
836	if (!file || !*file)	706	if (!file || !*file)
837	return false;	707	return false;
838		708
839	if (const char *p = strchr (file, ';'))	709	const char *p = strchr (file, ';');
		710
		711	if (p)
840	{	712	{
841	size_t len = p - file;	713	size_t len = p - file;
842	char *f = rxvt_temp_buf<char> (len + 1);	714	char *f = rxvt_temp_buf<char> (len + 1);
843	memcpy (f, file, len);	715	memcpy (f, file, len);
844	f[len] = '\0';	716	f[len] = '\0';
845	file = f;	717	file = f;
846	}	718	}
847		719
848	# ifdef HAVE_AFTERIMAGE	720	bool ret = set_file (file);
849	if (!asimman)	721	alpha = 0x8000;
850	asimman = create_generic_imageman (rs[Rs_path]);	722	if (ret)
851	ASImage *image = get_asimage (asimman, file, 0xFFFFFFFF, 100);	723	set_geometry (p ? p + 1 : "");
852	if (image)	724	return ret;
853	{	725	}
854	if (original_asim)	726
855	safe_asimage_destroy (original_asim);	727	bool
856	original_asim = image;	728	rxvt_image::set_file (const char *file)
857	bg_flags |= BG_IS_FROM_FILE | BG_CLIENT_RENDER;	729	{
858	return true;	730	bool ret = false;
859	}
860	# endif
861		731
862	# ifdef HAVE_PIXBUF	732	# ifdef HAVE_PIXBUF
863	GdkPixbuf *image = gdk_pixbuf_new_from_file (file, NULL);	733	GdkPixbuf *image = gdk_pixbuf_new_from_file (file, NULL);
864	if (image)	734	if (image)
865	{	735	{
866	if (pixbuf)	736	if (pixbuf)
867	g_object_unref (pixbuf);	737	g_object_unref (pixbuf);
868	pixbuf = image;	738	pixbuf = image;
869	bg_flags |= BG_IS_FROM_FILE;
870	return true;	739	ret = true;
871	}	740	}
872	# endif	741	# endif
873		742
		743	if (ret)
		744	flags |= IM_IS_SET;
		745
874	return false;	746	return ret;
875	}	747	}
876		748
877	# endif /* BG_IMAGE_FROM_FILE */	749	# endif /* BG_IMAGE_FROM_FILE */
878		750
879	# ifdef ENABLE_TRANSPARENCY
880	bool	751	bool
881	rxvt_term::bg_set_transparent ()	752	image_effects::set_blur (const char *geom)
882	{
883	if (!(bg_flags & BG_IS_TRANSPARENT))
884	{
885	bg_flags |= BG_IS_TRANSPARENT;
886	return true;
887	}
888
889	return false;
890	}
891
892	bool
893	rxvt_term::bg_set_blur (const char *geom)
894	{	753	{
895	bool changed = false;	754	bool changed = false;
896	unsigned int hr, vr;	755	unsigned int hr, vr;
897	int junk;	756	int junk;
898	int geom_flags = XParseGeometry (geom, &junk, &junk, &hr, &vr);	757	int geom_flags = XParseGeometry (geom, &junk, &junk, &hr, &vr);
…		…
915	{	774	{
916	changed = true;	775	changed = true;
917	v_blurRadius = vr;	776	v_blurRadius = vr;
918	}	777	}
919		778
920	if (v_blurRadius == 0 && h_blurRadius == 0)
921	bg_flags &= ~BG_NEEDS_BLUR;
922	else
923	bg_flags |= BG_NEEDS_BLUR;
924
925	return changed;	779	return changed;
926	}	780	}
927		781
928	void
929	rxvt_term::set_tint_shade_flags ()
930	{
931	rgba c (rgba::MAX_CC,rgba::MAX_CC,rgba::MAX_CC);
932	bool has_shade = shade != 100;
933
934	bg_flags &= ~BG_TINT_FLAGS;
935
936	if (bg_flags & BG_TINT_SET)
937	{
938	tint.get (c);
939	if (!has_shade
940	&& (c.r <= 0x00ff || c.r >= 0xff00)
941	&& (c.g <= 0x00ff || c.g >= 0xff00)
942	&& (c.b <= 0x00ff || c.b >= 0xff00))
943	bg_flags |= BG_TINT_BITAND;
944	}
945
946	if (has_shade || (bg_flags & BG_TINT_SET))
947	bg_flags |= BG_NEEDS_TINT;
948	}
949
950	bool	782	bool
951	rxvt_term::bg_set_tint (rxvt_color &new_tint)	783	image_effects::set_tint (const rxvt_color &new_tint)
952	{	784	{
953	if (!(bg_flags & BG_TINT_SET) || tint != new_tint)	785	if (!tint_set || tint != new_tint)
954	{	786	{
955	tint = new_tint;	787	tint = new_tint;
956	bg_flags |= BG_TINT_SET;	788	tint_set = true;
957	set_tint_shade_flags ();	789
958	return true;	790	return true;
959	}	791	}
960		792
961	return false;	793	return false;
962	}	794	}
963		795
964	bool	796	bool
965	rxvt_term::bg_set_shade (const char *shade_str)	797	image_effects::set_shade (const char *shade_str)
966	{	798	{
967	int new_shade = (shade_str) ? atoi (shade_str) : 100;	799	int new_shade = atoi (shade_str);
968		800
969	clamp_it (new_shade, -100, 200);	801	clamp_it (new_shade, -100, 200);
970	if (new_shade < 0)	802	if (new_shade < 0)
971	new_shade = 200 - (100 + new_shade);	803	new_shade = 200 - (100 + new_shade);
972		804
973	if (new_shade != shade)	805	if (new_shade != shade)
974	{	806	{
975	shade = new_shade;	807	shade = new_shade;
976	set_tint_shade_flags ();
977	return true;	808	return true;
978	}	809	}
979		810
980	return false;	811	return false;
981	}	812	}
…		…
1002	params[i+2] = XDoubleToFixed (kernel[i] / sum);	833	params[i+2] = XDoubleToFixed (kernel[i] / sum);
1003	}	834	}
1004	#endif	835	#endif
1005		836
1006	bool	837	bool
1007	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)
1008	{	839	{
1009	bool ret = false;	840	bool ret = false;
1010	#if XRENDER	841	#if XRENDER
		842	if (!(display->flags & DISPLAY_HAS_RENDER_CONV))
		843	return false;
		844
1011	int size = max (h_blurRadius, v_blurRadius) * 2 + 1;	845	int size = max (h_blurRadius, v_blurRadius) * 2 + 1;
1012	double *kernel = (double *)malloc (size * sizeof (double));	846	double *kernel = (double *)malloc (size * sizeof (double));
1013	XFixed *params = (XFixed *)malloc ((size + 2) * sizeof (XFixed));	847	XFixed *params = (XFixed *)malloc ((size + 2) * sizeof (XFixed));
1014		848
1015	XRenderPictureAttributes pa;	849	XRenderPictureAttributes pa;
1016	XRenderPictFormat *format = XRenderFindVisualFormat (dpy, visual);	850	XRenderPictFormat *format = argb ? XRenderFindStandardFormat (dpy, PictStandardARGB32)
		851	: XRenderFindVisualFormat (dpy, visual);
1017		852
		853	pa.repeat = RepeatPad;
1018	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);
1019	Picture dst = XRenderCreatePicture (dpy, pixmap, format, 0, &pa);	856	Picture dst = XRenderCreatePicture (dpy, tmp, format, CPRepeat, &pa);
		857	XFreePixmap (dpy, tmp);
1020		858
1021	if (kernel && params)	859	if (kernel && params)
1022	{	860	{
1023	if (h_blurRadius)
1024	{
1025	size = h_blurRadius * 2 + 1;	861	size = h_blurRadius * 2 + 1;
1026	get_gaussian_kernel (h_blurRadius, size, kernel, params);	862	get_gaussian_kernel (h_blurRadius, size, kernel, params);
1027		863
1028	XRenderSetPictureFilter (dpy, src, FilterConvolution, params, size+2);	864	XRenderSetPictureFilter (dpy, src, FilterConvolution, params, size+2);
1029	XRenderComposite (dpy,	865	XRenderComposite (dpy,
1030	PictOpSrc,	866	PictOpSrc,
1031	src,	867	src,
1032	None,	868	None,
1033	dst,	869	dst,
1034	0, 0,	870	0, 0,
1035	0, 0,	871	0, 0,
1036	0, 0,	872	0, 0,
1037	width, height);	873	width, height);
1038	}
1039		874
1040	if (v_blurRadius)	875	::swap (src, dst);
1041	{	876
1042	size = v_blurRadius * 2 + 1;	877	size = v_blurRadius * 2 + 1;
1043	get_gaussian_kernel (v_blurRadius, size, kernel, params);	878	get_gaussian_kernel (v_blurRadius, size, kernel, params);
1044	::swap (params[0], params[1]);	879	::swap (params[0], params[1]);
1045		880
1046	XRenderSetPictureFilter (dpy, src, FilterConvolution, params, size+2);	881	XRenderSetPictureFilter (dpy, src, FilterConvolution, params, size+2);
1047	XRenderComposite (dpy,	882	XRenderComposite (dpy,
1048	PictOpSrc,	883	PictOpSrc,
1049	src,	884	src,
1050	None,	885	None,
1051	dst,	886	dst,
1052	0, 0,	887	0, 0,
1053	0, 0,	888	0, 0,
1054	0, 0,	889	0, 0,
1055	width, height);	890	width, height);
1056	}
1057		891
1058	ret = true;	892	ret = true;
1059	}	893	}
1060		894
1061	free (kernel);	895	free (kernel);
…		…
1065	#endif	899	#endif
1066	return ret;	900	return ret;
1067	}	901	}
1068		902
1069	bool	903	bool
1070	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)
1071	{	905	{
1072	bool ret = false;	906	bool ret = false;
1073		907
1074	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))
1075	{	917	{
1076	XGCValues gcv;	918	XGCValues gcv;
1077	GC gc;	919	GC gc;
1078		920
1079	/* In this case we can tint image server-side getting significant	921	/* In this case we can tint image server-side getting significant
…		…
1088	XFillRectangle (dpy, pixmap, gc, 0, 0, width, height);	930	XFillRectangle (dpy, pixmap, gc, 0, 0, width, height);
1089	ret = true;	931	ret = true;
1090	XFreeGC (dpy, gc);	932	XFreeGC (dpy, gc);
1091	}	933	}
1092	}	934	}
1093	else
1094	{
1095	# if XRENDER	935	# if XRENDER
1096	rgba c (rgba::MAX_CC, rgba::MAX_CC, rgba::MAX_CC);	936	else if (display->flags & DISPLAY_HAS_RENDER)
1097		937	{
1098	if (bg_flags & BG_TINT_SET)
1099	tint.get (c);
1100
1101	if (shade <= 100)	938	if (shade <= 100)
1102	{	939	{
1103	c.r = c.r * shade / 100;	940	c.r = c.r * shade / 100;
1104	c.g = c.g * shade / 100;	941	c.g = c.g * shade / 100;
1105	c.b = c.b * shade / 100;	942	c.b = c.b * shade / 100;
…		…
1109	c.r = c.r * (200 - shade) / 100;	946	c.r = c.r * (200 - shade) / 100;
1110	c.g = c.g * (200 - shade) / 100;	947	c.g = c.g * (200 - shade) / 100;
1111	c.b = c.b * (200 - shade) / 100;	948	c.b = c.b * (200 - shade) / 100;
1112	}	949	}
1113		950
1114	XRenderPictFormat *solid_format = XRenderFindStandardFormat (dpy, PictStandardARGB32);	951	XRenderPictFormat *format = argb ? XRenderFindStandardFormat (dpy, PictStandardARGB32)
1115	XRenderPictFormat *format = XRenderFindVisualFormat (dpy, visual);	952	: XRenderFindVisualFormat (dpy, visual);
1116	XRenderPictureAttributes pa;
1117		953
1118	Picture back_pic = XRenderCreatePicture (dpy, pixmap, format, 0, &pa);	954	Picture back_pic = XRenderCreatePicture (dpy, pixmap, format, 0, 0);
1119		955
1120	pa.repeat = True;	956	Picture overlay_pic = create_xrender_mask (dpy, pixmap, True, False);
1121		957
1122	Pixmap overlay_pmap = XCreatePixmap (dpy, pixmap, 1, 1, 32);	958	Picture mask_pic = create_xrender_mask (dpy, pixmap, True, True);
1123	Picture overlay_pic = XRenderCreatePicture (dpy, overlay_pmap, solid_format, CPRepeat, &pa);
1124	XFreePixmap (dpy, overlay_pmap);
1125
1126	pa.component_alpha = True;
1127	Pixmap mask_pmap = XCreatePixmap (dpy, pixmap, 1, 1, 32);
1128	Picture mask_pic = XRenderCreatePicture (dpy, mask_pmap, solid_format, CPRepeat | CPComponentAlpha, &pa);
1129	XFreePixmap (dpy, mask_pmap);
1130		959
1131	XRenderColor mask_c;	960	XRenderColor mask_c;
1132		961
1133	mask_c.alpha = 0xffff;	962	mask_c.alpha = 0xffff;
1134	mask_c.red =	963	mask_c.red =
…		…
1139	mask_c.alpha = 0;	968	mask_c.alpha = 0;
1140	mask_c.red = 0xffff - c.r;	969	mask_c.red = 0xffff - c.r;
1141	mask_c.green = 0xffff - c.g;	970	mask_c.green = 0xffff - c.g;
1142	mask_c.blue = 0xffff - c.b;	971	mask_c.blue = 0xffff - c.b;
1143	XRenderFillRectangle (dpy, PictOpSrc, mask_pic, &mask_c, 0, 0, 1, 1);	972	XRenderFillRectangle (dpy, PictOpSrc, mask_pic, &mask_c, 0, 0, 1, 1);
		973
1144	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);
1145		975
1146	if (shade > 100)	976	if (shade > 100)
1147	{	977	{
1148	mask_c.red = mask_c.green = mask_c.blue = 0xffff * (shade - 100) / 100;
1149	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;
1150	XRenderFillRectangle (dpy, PictOpSrc, overlay_pic, &mask_c, 0, 0, 1, 1);	982	XRenderFillRectangle (dpy, PictOpSrc, overlay_pic, &mask_c, 0, 0, 1, 1);
1151		983
1152	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);
1153	}	985	}
1154		986
1155	ret = true;	987	ret = true;
1156		988
1157	XRenderFreePicture (dpy, mask_pic);	989	XRenderFreePicture (dpy, mask_pic);
1158	XRenderFreePicture (dpy, overlay_pic);	990	XRenderFreePicture (dpy, overlay_pic);
1159	XRenderFreePicture (dpy, back_pic);	991	XRenderFreePicture (dpy, back_pic);
		992	}
1160	# endif	993	# endif
1161	}
1162		994
1163	return ret;	995	return ret;
1164	}	996	}
1165		997
		998	# ifdef ENABLE_TRANSPARENCY
1166	/*	999	/*
1167	* 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
1168	* 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
1169	* our window.	1002	* our window.
1170	*/	1003	*/
1171	unsigned long	1004	bool
1172	rxvt_term::make_transparency_pixmap ()	1005	rxvt_term::render_root_image ()
1173	{	1006	{
1174	unsigned long result = 0;	1007	bool ret = false;
1175		1008
1176	/* 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
1177	* be always up-to-date, so let's use it :	1010	* be always up-to-date, so let's use it :
1178	*/	1011	*/
1179	int screen = display->screen;	1012	int screen = display->screen;
…		…
1213	Pixmap recoded_root_pmap = root_pixmap;	1046	Pixmap recoded_root_pmap = root_pixmap;
1214		1047
1215	if (root_pixmap != None && root_depth != depth)	1048	if (root_pixmap != None && root_depth != depth)
1216	{	1049	{
1217	#if XRENDER	1050	#if XRENDER
1218	if (bg_flags & BG_HAS_RENDER)	1051	if (display->flags & DISPLAY_HAS_RENDER)
1219	{	1052	{
1220	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);
1221		1054
1222	XRenderPictureAttributes pa;
1223
1224	XRenderPictFormat *src_format = XRenderFindVisualFormat (dpy, DefaultVisual (dpy, screen));	1055	XRenderPictFormat *src_format = XRenderFindVisualFormat (dpy, DefaultVisual (dpy, screen));
1225	Picture src = XRenderCreatePicture (dpy, root_pixmap, src_format, 0, &pa);	1056	Picture src = XRenderCreatePicture (dpy, root_pixmap, src_format, 0, 0);
1226		1057
1227	XRenderPictFormat *dst_format = XRenderFindVisualFormat (dpy, visual);	1058	XRenderPictFormat *dst_format = XRenderFindVisualFormat (dpy, visual);
1228	Picture dst = XRenderCreatePicture (dpy, recoded_root_pmap, dst_format, 0, &pa);	1059	Picture dst = XRenderCreatePicture (dpy, recoded_root_pmap, dst_format, 0, 0);
1229		1060
1230	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);
1231		1062
1232	XRenderFreePicture (dpy, src);	1063	XRenderFreePicture (dpy, src);
1233	XRenderFreePicture (dpy, dst);	1064	XRenderFreePicture (dpy, dst);
…		…
1250	bg_pmap_width = window_width;	1081	bg_pmap_width = window_width;
1251	bg_pmap_height = window_height;	1082	bg_pmap_height = window_height;
1252	}	1083	}
1253		1084
1254	/* straightforward pixmap copy */	1085	/* straightforward pixmap copy */
1255	while (sx < 0) sx += root_width;	1086	while (sx < 0) sx += root_pmap_width;
1256	while (sy < 0) sy += root_height;	1087	while (sy < 0) sy += root_pmap_height;
1257		1088
1258	gcv.tile = recoded_root_pmap;	1089	gcv.tile = recoded_root_pmap;
1259	gcv.fill_style = FillTiled;	1090	gcv.fill_style = FillTiled;
1260	gcv.ts_x_origin = -sx;	1091	gcv.ts_x_origin = -sx;
1261	gcv.ts_y_origin = -sy;	1092	gcv.ts_y_origin = -sy;
1262	gc = XCreateGC (dpy, vt, GCFillStyle | GCTile | GCTileStipXOrigin | GCTileStipYOrigin, &gcv);	1093	gc = XCreateGC (dpy, vt, GCFillStyle | GCTile | GCTileStipXOrigin | GCTileStipYOrigin, &gcv);
1263		1094
1264	if (gc)	1095	if (gc)
1265	{	1096	{
1266	XFillRectangle (dpy, bg_pixmap, gc, 0, 0, window_width, window_height);	1097	XFillRectangle (dpy, bg_pixmap, gc, 0, 0, window_width, window_height);
1267	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
1268	XFreeGC (dpy, gc);	1127	XFreeGC (dpy, gc);
1269
1270	if (!(bg_flags & BG_CLIENT_RENDER))
1271	{
1272	if ((bg_flags & BG_NEEDS_BLUR)
1273	&& (bg_flags & BG_HAS_RENDER_CONV))
1274	{
1275	if (blur_pixmap (bg_pixmap, visual, window_width, window_height))
1276	result &= ~BG_NEEDS_BLUR;
1277	}
1278	if ((bg_flags & BG_NEEDS_TINT)
1279	&& (bg_flags & (BG_TINT_BITAND | BG_HAS_RENDER)))
1280	{
1281	if (tint_pixmap (bg_pixmap, visual, window_width, window_height))
1282	result &= ~BG_NEEDS_TINT;
1283	}
1284	} /* server side rendering completed */
1285	}	1128	}
1286		1129
1287	if (recoded_root_pmap != root_pixmap)	1130	if (recoded_root_pmap != root_pixmap)
1288	XFreePixmap (dpy, recoded_root_pmap);	1131	XFreePixmap (dpy, recoded_root_pmap);
1289		1132
1290	return result;	1133	return ret;
1291	}	1134	}
1292		1135
1293	void	1136	void
1294	rxvt_term::bg_set_root_pixmap ()	1137	rxvt_term::bg_set_root_pixmap ()
1295	{	1138	{
…		…
1299		1142
1300	root_pixmap = new_root_pixmap;	1143	root_pixmap = new_root_pixmap;
1301	}	1144	}
1302	# endif /* ENABLE_TRANSPARENCY */	1145	# endif /* ENABLE_TRANSPARENCY */
1303		1146
1304	#if defined(ENABLE_TRANSPARENCY) && !defined(HAVE_AFTERIMAGE)
1305	static void shade_ximage (Visual *visual, XImage *ximage, int shade, const rgba &c);
1306	# endif
1307
1308	bool	1147	bool
1309	rxvt_term::bg_render ()	1148	rxvt_term::bg_render ()
1310	{	1149	{
1311	unsigned long tr_flags = 0;
1312
1313	bg_invalidate ();	1150	bg_invalidate ();
1314	# ifdef ENABLE_TRANSPARENCY	1151	# ifdef ENABLE_TRANSPARENCY
1315	if (bg_flags & BG_IS_TRANSPARENT)	1152	if (bg_flags & BG_IS_TRANSPARENT)
1316	{	1153	{
1317	/* we need to re-generate transparency pixmap in that case ! */	1154	/* we need to re-generate transparency pixmap in that case ! */
1318	tr_flags = make_transparency_pixmap ();	1155	if (render_root_image ())
1319	if (tr_flags == 0)
1320	return false;
1321	else if (!(tr_flags & BG_EFFECTS_FLAGS))
1322	bg_flags |= BG_IS_VALID;	1156	bg_flags |= BG_IS_VALID;
1323	}	1157	}
1324	# endif	1158	# endif
1325		1159
1326	# ifdef BG_IMAGE_FROM_FILE	1160	# ifdef BG_IMAGE_FROM_FILE
1327	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++)
1328	|| (tr_flags & BG_EFFECTS_FLAGS))
1329	{	1162	{
1330	if (render_image (tr_flags))	1163	if (render_image (*bg_image))
1331	bg_flags |= BG_IS_VALID;	1164	bg_flags |= BG_IS_VALID;
1332	}
1333	# endif
1334
1335	# if defined(ENABLE_TRANSPARENCY) && !defined(HAVE_AFTERIMAGE)
1336	XImage *result = NULL;
1337
1338	if (tr_flags && !(bg_flags & BG_IS_VALID))
1339	{
1340	result = XGetImage (dpy, bg_pixmap, 0, 0, bg_pmap_width, bg_pmap_height, AllPlanes, ZPixmap);
1341	}
1342
1343	if (result)
1344	{
1345	/* our own client-side tinting */
1346	if (tr_flags & BG_NEEDS_TINT)
1347	{
1348	rgba c (rgba::MAX_CC,rgba::MAX_CC,rgba::MAX_CC);
1349	if (bg_flags & BG_TINT_SET)
1350	tint.get (c);
1351	shade_ximage (DefaultVisual (dpy, display->screen), result, shade, c);
1352	}
1353
1354	GC gc = XCreateGC (dpy, vt, 0UL, NULL);
1355
1356	if (gc)
1357	{
1358	XPutImage (dpy, bg_pixmap, gc, result, 0, 0, 0, 0, result->width, result->height);
1359
1360	XFreeGC (dpy, gc);
1361	bg_flags |= BG_IS_VALID;
1362	}
1363
1364	XDestroyImage (result);
1365	}	1165	}
1366	# endif	1166	# endif
1367		1167
1368	if (!(bg_flags & BG_IS_VALID))	1168	if (!(bg_flags & BG_IS_VALID))
1369	{	1169	{
…		…
1383	}	1183	}
1384		1184
1385	void	1185	void
1386	rxvt_term::bg_init ()	1186	rxvt_term::bg_init ()
1387	{	1187	{
1388	#ifdef ENABLE_TRANSPARENCY	1188	#ifdef BG_IMAGE_FROM_FILE
1389	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 ();
1390	#endif	1217	#endif
1391
1392	bg_flags &= ~(BG_HAS_RENDER | BG_HAS_RENDER_CONV);
1393	#if XRENDER
1394	int major, minor;
1395	if (XRenderQueryVersion (dpy, &major, &minor))
1396	bg_flags |= BG_HAS_RENDER;
1397	XFilters *filters = XRenderQueryFilters (dpy, vt);
1398	if (filters)
1399	{
1400	for (int i = 0; i < filters->nfilter; i++)
1401	if (!strcmp (filters->filter[i], FilterConvolution))
1402	bg_flags |= BG_HAS_RENDER_CONV;
1403
1404	XFree (filters);
1405	}
1406	#endif
1407	}	1218	}
1408		1219
1409	#endif /* HAVE_BG_PIXMAP */
1410
1411	#if defined(ENABLE_TRANSPARENCY) && !defined(HAVE_AFTERIMAGE)
1412	/* taken from aterm-0.4.2 */	1220	/* based on code from aterm-0.4.2 */
1413		1221
1414	static void	1222	static inline void
1415	shade_ximage (Visual *visual, XImage *ximage, int shade, const rgba &c)	1223	fill_lut (uint32_t *lookup, uint32_t mask, int sh, unsigned short low, unsigned short high)
1416	{	1224	{
		1225	for (int i = 0; i <= mask >> sh; i++)
		1226	{
		1227	uint32_t tmp;
		1228	tmp = i * high;
		1229	tmp += (mask >> sh) * low;
		1230	lookup[i] = (tmp / 0xffff) << sh;
		1231	}
		1232	}
		1233
		1234	void
		1235	rxvt_term::tint_ximage (XImage *ximage, rxvt_color &tint, bool tint_set, int shade)
		1236	{
		1237	unsigned int size_r, size_g, size_b;
1417	int sh_r, sh_g, sh_b;	1238	int sh_r, sh_g, sh_b;
1418	uint32_t mask_r, mask_g, mask_b;	1239	uint32_t mask_r, mask_g, mask_b;
1419	uint32_t *lookup, *lookup_r, *lookup_g, *lookup_b;	1240	uint32_t *lookup, *lookup_r, *lookup_g, *lookup_b;
1420	rgba low;	1241	unsigned short low;
1421	rgba high;
1422	int i;
1423	int host_byte_order = ecb_big_endian () ? MSBFirst : LSBFirst;	1242	int host_byte_order = ecb_big_endian () ? MSBFirst : LSBFirst;
1424		1243
1425	if (visual->c_class != TrueColor || ximage->format != ZPixmap) return;	1244	if (visual->c_class != TrueColor || ximage->format != ZPixmap) return;
1426		1245
1427	/* for convenience */	1246	/* for convenience */
1428	mask_r = visual->red_mask;	1247	mask_r = visual->red_mask;
1429	mask_g = visual->green_mask;	1248	mask_g = visual->green_mask;
1430	mask_b = visual->blue_mask;	1249	mask_b = visual->blue_mask;
1431		1250
1432	/* boring lookup table pre-initialization */	1251	/* boring lookup table pre-initialization */
1433	switch (ximage->depth)	1252	sh_r = ecb_ctz32 (mask_r);
1434	{	1253	sh_g = ecb_ctz32 (mask_g);
1435	case 15:	1254	sh_b = ecb_ctz32 (mask_b);
1436	if ((mask_r != 0x7c00) ||	1255
1437	(mask_g != 0x03e0) ||	1256	size_r = mask_r >> sh_r;
1438	(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)
1439	return;	1261	return;
1440	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));
1441	lookup_r = lookup;	1264	lookup_r = lookup;
1442	lookup_g = lookup+32;	1265	lookup_g = lookup + size_r;
1443	lookup_b = lookup+32+32;	1266	lookup_b = lookup + size_r + size_g;
1444	sh_r = 10;	1267
1445	sh_g = 5;	1268	rgba c (rgba::MAX_CC, rgba::MAX_CC, rgba::MAX_CC);
1446	sh_b = 0;	1269
1447	break;	1270	if (tint_set)
1448	case 16:	1271	tint.get (c);
1449	if ((mask_r != 0xf800) ||
1450	(mask_g != 0x07e0) ||
1451	(mask_b != 0x001f))
1452	return;
1453	lookup = (uint32_t *) malloc (sizeof (uint32_t)*(32+64+32));
1454	lookup_r = lookup;
1455	lookup_g = lookup+32;
1456	lookup_b = lookup+32+64;
1457	sh_r = 11;
1458	sh_g = 5;
1459	sh_b = 0;
1460	break;
1461	case 24:
1462	if ((mask_r != 0xff0000) ||
1463	(mask_g != 0x00ff00) ||
1464	(mask_b != 0x0000ff))
1465	return;
1466	lookup = (uint32_t *) malloc (sizeof (uint32_t)*(256+256+256));
1467	lookup_r = lookup;
1468	lookup_g = lookup+256;
1469	lookup_b = lookup+256+256;
1470	sh_r = 16;
1471	sh_g = 8;
1472	sh_b = 0;
1473	break;
1474	case 32:
1475	if ((mask_r != 0xff0000) ||
1476	(mask_g != 0x00ff00) ||
1477	(mask_b != 0x0000ff))
1478	return;
1479	lookup = (uint32_t *) malloc (sizeof (uint32_t)*(256+256+256));
1480	lookup_r = lookup;
1481	lookup_g = lookup+256;
1482	lookup_b = lookup+256+256;
1483	sh_r = 16;
1484	sh_g = 8;
1485	sh_b = 0;
1486	break;
1487	default:
1488	return; /* we do not support this color depth */
1489	}
1490		1272
1491	/* prepare limits for color transformation (each channel is handled separately) */	1273	/* prepare limits for color transformation (each channel is handled separately) */
1492	if (shade > 100)	1274	if (shade > 100)
1493	{	1275	{
1494	shade = 200 - shade;
1495
1496	high.r = c.r * shade / 100;
1497	high.g = c.g * shade / 100;
1498	high.b = c.b * shade / 100;
1499
1500	low.r = 65535 * (100 - shade) / 100;	1276	c.r = c.r * (200 - shade) / 100;
1501	low.g = 65535 * (100 - shade) / 100;	1277	c.g = c.g * (200 - shade) / 100;
1502	low.b = 65535 * (100 - shade) / 100;	1278	c.b = c.b * (200 - shade) / 100;
		1279
		1280	low = 0xffff * (shade - 100) / 100;
1503	}	1281	}
1504	else	1282	else
1505	{	1283	{
1506	high.r = c.r * shade / 100;	1284	c.r = c.r * shade / 100;
1507	high.g = c.g * shade / 100;	1285	c.g = c.g * shade / 100;
1508	high.b = c.b * shade / 100;	1286	c.b = c.b * shade / 100;
1509		1287
1510	low.r = low.g = low.b = 0;	1288	low = 0;
1511	}	1289	}
1512		1290
1513	/* fill our lookup tables */	1291	/* fill our lookup tables */
1514	for (i = 0; i <= mask_r>>sh_r; i++)	1292	fill_lut (lookup_r, mask_r, sh_r, low, c.r);
1515	{	1293	fill_lut (lookup_g, mask_g, sh_g, low, c.g);
1516	uint32_t tmp;	1294	fill_lut (lookup_b, mask_b, sh_b, low, c.b);
1517	tmp = i * high.r;
1518	tmp += (mask_r>>sh_r) * low.r;
1519	lookup_r[i] = (tmp/65535)<<sh_r;
1520	}
1521	for (i = 0; i <= mask_g>>sh_g; i++)
1522	{
1523	uint32_t tmp;
1524	tmp = i * high.g;
1525	tmp += (mask_g>>sh_g) * low.g;
1526	lookup_g[i] = (tmp/65535)<<sh_g;
1527	}
1528	for (i = 0; i <= mask_b>>sh_b; i++)
1529	{
1530	uint32_t tmp;
1531	tmp = i * high.b;
1532	tmp += (mask_b>>sh_b) * low.b;
1533	lookup_b[i] = (tmp/65535)<<sh_b;
1534	}
1535		1295
1536	/* apply table to input image (replacing colors by newly calculated ones) */	1296	/* apply table to input image (replacing colors by newly calculated ones) */
1537	if (ximage->bits_per_pixel == 32	1297	if (ximage->bits_per_pixel == 32
1538	&& (ximage->depth == 24 || ximage->depth == 32)
1539	&& ximage->byte_order == host_byte_order)	1298	&& ximage->byte_order == host_byte_order)
1540	{	1299	{
1541	uint32_t *p1, *pf, *p, *pl;	1300	char *line = ximage->data;
1542	p1 = (uint32_t *) ximage->data;
1543	pf = (uint32_t *) (ximage->data + ximage->height * ximage->bytes_per_line);
1544		1301
1545	while (p1 < pf)	1302	for (int y = 0; y < ximage->height; y++)
1546	{	1303	{
1547	p = p1;	1304	uint32_t *p = (uint32_t *)line;
1548	pl = p1 + ximage->width;	1305	for (int x = 0; x < ximage->width; x++)
1549	for (; p < pl; p++)
1550	{	1306	{
1551	*p = lookup_r[(*p & 0xff0000) >> 16] |	1307	*p = lookup_r[(*p & mask_r) >> sh_r] |
1552	lookup_g[(*p & 0x00ff00) >> 8] |	1308	lookup_g[(*p & mask_g) >> sh_g] |
1553	lookup_b[(*p & 0x0000ff)] |	1309	lookup_b[(*p & mask_b) >> sh_b];
1554	(*p & 0xff000000);	1310	p++;
1555	}	1311	}
1556	p1 = (uint32_t *) ((char *) p1 + ximage->bytes_per_line);	1312	line += ximage->bytes_per_line;
1557	}	1313	}
1558	}	1314	}
1559	else	1315	else
1560	{	1316	{
1561	for (int y = 0; y < ximage->height; y++)	1317	for (int y = 0; y < ximage->height; y++)
…		…
1569	}	1325	}
1570	}	1326	}
1571		1327
1572	free (lookup);	1328	free (lookup);
1573	}	1329	}
1574	#endif /* defined(ENABLE_TRANSPARENCY) && !defined(HAVE_AFTERIMAGE) */	1330
		1331	#endif /* HAVE_BG_PIXMAP */

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