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Comparing rxvt-unicode/src/background.C (file contents):
Revision 1.159 by sf-exg, Wed Aug 10 07:34:35 2011 UTC vs.
Revision 1.226 by sf-exg, Thu May 31 05:53:46 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], "center"))	296	|| v_scale != h
278	{	297	|| h_align != x
279	w = h = noScale;	298	|| v_align != y)
280	x = y = centerAlign;
281	geom_flags |= WidthValue|HeightValue|XValue|YValue;
282	}
283	else if (!strcasecmp (arr[i], "root"))
284	{
285	new_flags |= BG_TILE|BG_ROOT_ALIGN;
286	w = h = noScale;
287	geom_flags |= WidthValue|HeightValue;
288	}
289	} /* done parsing ops */
290
291	rxvt_free_strsplit (arr);
292	}	299	{
293
294	if (check_set_scale_value (geom_flags, WidthValue, h_scale, w)) changed = true;
295	if (check_set_scale_value (geom_flags, HeightValue, v_scale, h)) changed = true;
296	if (check_set_align_value (geom_flags, XValue, h_align, x)) changed = true;
297	if (check_set_align_value (geom_flags, YValue, v_align, y)) changed = true;
298
299	if (new_flags != bg_flags)
300	{
301	bg_flags = new_flags;	300	flags = new_flags;
		301	h_scale = w;
		302	v_scale = h;
		303	h_align = x;
		304	v_align = y;
302	changed = true;	305	changed = true;
303	}	306	}
304		307
		308	if (is_size_sensitive ())
		309	flags |= IM_IS_SIZE_SENSITIVE;
		310	else
		311	flags &= ~IM_IS_SIZE_SENSITIVE;
		312
305	return changed;	313	return changed;
306	}	314	}
307		315
308	void	316	void
309	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)
310	{	318	{
		319	int image_width = image.width ();
		320	int image_height = image.height ();
311	int target_width = szHint.width;	321	int target_width = szHint.width;
312	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);
313		325
314	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)
315	{	330	{
316	float scale = (float)target_width / image_width;	331	float scale = (float)w / image_width;
317	min_it (scale, (float)target_height / image_height);	332	min_it (scale, (float)h / image_height);
318	w = image_width * scale + 0.5;	333	w = image_width * scale + 0.5;
319	h = image_height * scale + 0.5;	334	h = image_height * scale + 0.5;
320	}	335	}
321	else
322	{
323	w = h_scale * target_width / 100;
324	h = v_scale * target_height / 100;
325	}
326		336
327	if (!w) w = image_width;	337	if (!w) w = image_width;
328	if (!h) h = image_height;	338	if (!h) h = image_height;
329		339
330	if (bg_flags & BG_ROOT_ALIGN)	340	if (image.flags & IM_ROOT_ALIGN)
331	{	341	{
332	x = -target_x;	342	x = -target_x;
333	y = -target_y;	343	y = -target_y;
334	}	344	}
335	else	345	else
336	{	346	{
337	x = make_align_position (h_align, target_width, w);	347	x = make_align_position (image.h_align, target_width, w);
338	y = make_align_position (v_align, target_height, h);	348	y = make_align_position (image.v_align, target_height, h);
339	}
340
341	bg_flags &= ~BG_IS_SIZE_SENSITIVE;
342	if (!(bg_flags & BG_TILE)
343	|| (bg_flags & BG_PROP_SCALE) || h_scale || v_scale
344	|| (!(bg_flags & BG_ROOT_ALIGN) && (h_align || v_align))
345	|| w > target_width || h > target_height)
346	bg_flags |= BG_IS_SIZE_SENSITIVE;
347	}
348
349	# ifdef HAVE_AFTERIMAGE
350	bool
351	rxvt_term::render_image (unsigned long tr_flags)
352	{
353	init_asv ();
354
355	ASImage *background = NULL;
356	ARGB32 background_tint = TINT_LEAVE_SAME;
357
358	# ifdef ENABLE_TRANSPARENCY
359	if (tr_flags)
360	background = pixmap2ximage (asv, bg_pixmap, 0, 0, bg_pmap_width, bg_pmap_height, AllPlanes, 100);
361
362	if (tr_flags & BG_NEEDS_TINT)
363	{	349	}
364	ShadingInfo as_shade;	350	}
365	as_shade.shading = shade;
366		351
367	rgba c (rgba::MAX_CC,rgba::MAX_CC,rgba::MAX_CC);	352	# ifdef HAVE_PIXBUF
368	if (bg_flags & BG_TINT_SET)	353	bool
369	tint.get (c);	354	rxvt_term::pixbuf_to_pixmap (GdkPixbuf *pixbuf, Pixmap pixmap, GC gc,
370	as_shade.tintColor.red = c.r;	355	int src_x, int src_y, int dst_x, int dst_y,
371	as_shade.tintColor.green = c.g;	356	unsigned int width, unsigned int height, bool argb)
372	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;
373		366
374	background_tint = shading2tint32 (&as_shade);	367	if (visual->c_class != TrueColor)
		368	return false;
		369
		370	if (argb)
375	}	371	{
376		372	red_mask = 0xff << 16;
377	if ((tr_flags & BG_NEEDS_BLUR) && background != NULL)	373	green_mask = 0xff << 8;
		374	blue_mask = 0xff;
		375	alpha_mask = 0xff << 24;
378	{	376	}
379	ASImage *tmp = blur_asimage_gauss (asv, background, h_blurRadius, v_blurRadius, 0xFFFFFFFF,	377	else
380	(original_asim == NULL || tint == TINT_LEAVE_SAME) ? ASA_XImage : ASA_ASImage,	378	{
381	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);
382	if (tmp)	384	if (format)
		385	alpha_mask = (uint32_t)format->direct.alphaMask << format->direct.alpha;
		386	else
		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++)
		439	{
		440	unsigned char *pixel = row + x * channels;
		441	uint32_t value;
		442	unsigned char r, g, b, a;
		443
		444	if (channels == 4)
383	{	445	{
384	destroy_asimage (&background);	446	a = pixel[3];
385	background = tmp;	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);
386	}	468	}
387	}
388	# endif
389		469
390	ASImage *result = 0;	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	&& !(bg_flags & BG_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);
391		496
392	int target_width = szHint.width;	497	int target_width = szHint.width;
393	int target_height = szHint.height;	498	int target_height = szHint.height;
394	int new_pmap_width = target_width;	499	int new_pmap_width = target_width;
395	int new_pmap_height = target_height;	500	int new_pmap_height = target_height;
…		…
397	int x = 0;	502	int x = 0;
398	int y = 0;	503	int y = 0;
399	int w = 0;	504	int w = 0;
400	int h = 0;	505	int h = 0;
401		506
402	if (original_asim)	507	get_image_geometry (image, w, h, x, y);
403	get_image_geometry (original_asim->width, original_asim->height, w, h, x, y);
404		508
405	if (!original_asim	509	if (!(image.flags & IM_ROOT_ALIGN)
406	|| (!(bg_flags & BG_ROOT_ALIGN)
407	&& (x >= target_width	510	&& (x >= target_width
408	|| y >= target_height	511	|| y >= target_height
409	|| (x + w <= 0)	512	|| x + w <= 0
410	|| (y + h <= 0))))	513	|| y + h <= 0))
		514	return false;
		515
		516	result = pixbuf;
		517
		518	if (w != image_width
		519	|| h != image_height)
		520	{
		521	result = gdk_pixbuf_scale_simple (pixbuf,
		522	w, h,
		523	GDK_INTERP_BILINEAR);
411	{	524	}
412	if (background)
413	{
414	new_pmap_width = background->width;
415	new_pmap_height = background->height;
416	result = background;
417		525
418	if (background_tint != TINT_LEAVE_SAME)	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);
		540	else
		541	{
		542	// optimise bg pixmap size when tiling, but only if there are no
		543	// other pixbufs to render. Otherwise, the bg pixmap size must
		544	// be equal to the window size.
		545	if ((image.flags & IM_TILE)
		546	&& image_vec.size () == 1)
419	{	547	{
420	ASImage *tmp = tile_asimage (asv, background, 0, 0,	548	new_pmap_width = min (image_width, target_width);
421	target_width, target_height, background_tint,	549	new_pmap_height = min (image_height, target_height);
422	ASA_XImage, 100, ASIMAGE_QUALITY_DEFAULT);
423	if (tmp)
424	result = tmp;
425	}
426	}	550	}
427	else
428	new_pmap_width = new_pmap_height = 0;
429	}
430	else
431	{
432	result = original_asim;
433		551
434	if ((w != original_asim->width)
435	|| (h != original_asim->height))
436	{
437	result = scale_asimage (asv, original_asim,
438	w, h,
439	background ? ASA_ASImage : ASA_XImage,
440	100, ASIMAGE_QUALITY_DEFAULT);
441	}
442
443	if (background == NULL)
444	{
445	if (bg_flags & BG_TILE)
446	{
447	/* if tiling - pixmap has to be sized exactly as the image,
448	but there is no need to make it bigger than the window! */
449	new_pmap_width = min (result->width, target_width);
450	new_pmap_height = min (result->height, target_height);
451
452	/* we also need to tile our image in both directions */
453	ASImage *tmp = tile_asimage (asv, result,
454	(int)result->width - x,
455	(int)result->height - y,
456	new_pmap_width,
457	new_pmap_height,
458	TINT_LEAVE_SAME, ASA_XImage,
459	100, ASIMAGE_QUALITY_DEFAULT);
460	if (tmp)
461	{
462	if (result != original_asim)
463	destroy_asimage (&result);
464
465	result = tmp;
466	}
467	}
468	}
469	else
470	{
471	/* if blending background and image - pixmap has to be sized same as target window */
472	ASImageLayer *layers = create_image_layers (2);
473
474	layers[0].im = background;
475	layers[0].clip_width = target_width;
476	layers[0].clip_height = target_height;
477	layers[0].tint = background_tint;
478	layers[1].im = result;
479
480	if (bg_flags & BG_TILE)
481	{
482	/* tile horizontally */
483	while (x > 0) x -= (int)result->width;
484	layers[1].dst_x = x;
485	layers[1].clip_width = result->width+target_width;
486	}
487	else
488	{
489	/* clip horizontally */
490	layers[1].dst_x = x;
491	layers[1].clip_width = result->width;
492	}
493
494	if (bg_flags & BG_TILE)
495	{
496	while (y > 0) y -= (int)result->height;
497	layers[1].dst_y = y;
498	layers[1].clip_height = result->height + target_height;
499	}
500	else
501	{
502	layers[1].dst_y = y;
503	layers[1].clip_height = result->height;
504	}
505
506	if (rs[Rs_blendtype])
507	{
508	layers[1].merge_scanlines = blend_scanlines_name2func (rs[Rs_blendtype]);
509	if (layers[1].merge_scanlines == NULL)
510	layers[1].merge_scanlines = alphablend_scanlines;
511	}
512
513	ASImage *tmp = merge_layers (asv, layers, 2, target_width, target_height,
514	ASA_XImage, 0, ASIMAGE_QUALITY_DEFAULT);
515
516	if (tmp)
517	{
518	if (result != original_asim)
519	destroy_asimage (&result);
520
521	result = tmp;
522	}
523
524	free (layers);
525	}
526	}
527
528	bool ret = false;
529
530	if (result)
531	{
532	XGCValues gcv;
533	GC gc;
534
535	/* create Pixmap */
536	if (bg_pixmap == None	552	if (bg_pixmap == None
537	|| bg_pmap_width != new_pmap_width	553	|| bg_pmap_width != new_pmap_width
538	|| bg_pmap_height != new_pmap_height)	554	|| bg_pmap_height != new_pmap_height)
539	{	555	{
540	if (bg_pixmap)	556	if (bg_pixmap)
541	XFreePixmap (dpy, bg_pixmap);	557	XFreePixmap (dpy, bg_pixmap);
542	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);
543	bg_pmap_width = new_pmap_width;	559	bg_pmap_width = new_pmap_width;
544	bg_pmap_height = new_pmap_height;	560	bg_pmap_height = new_pmap_height;
545	}	561	}
546	/* fill with background color (if result's not completely overlapping it) */
547	gcv.foreground = pix_colors[Color_bg];
548	gc = XCreateGC (dpy, vt, GCForeground, &gcv);
549		562
550	int src_x = 0, src_y = 0, dst_x = 0, dst_y = 0;
551	int dst_width = result->width, dst_height = result->height;
552	if (background == NULL)
553	{
554	if (!(bg_flags & BG_TILE))
555	{
556	src_x = make_clip_rectangle (x, result->width , new_pmap_width , dst_x, dst_width );
557	src_y = make_clip_rectangle (y, result->height, new_pmap_height, dst_y, dst_height);
558	}
559
560	if (dst_x > 0 || dst_y > 0
561	|| dst_x + dst_width < new_pmap_width
562	|| dst_y + dst_height < new_pmap_height)
563	XFillRectangle (dpy, bg_pixmap, gc, 0, 0, new_pmap_width, new_pmap_height);
564	}
565
566	/* put result on pixmap */
567	if (dst_x < new_pmap_width && dst_y < new_pmap_height)
568	asimage2drawable (asv, bg_pixmap, result, gc, src_x, src_y, dst_x, dst_y, dst_width, dst_height, True);
569
570	if (result != background && result != original_asim)
571	destroy_asimage (&result);
572
573	XFreeGC (dpy, gc);
574
575	ret = true;
576	}
577
578	if (background)
579	destroy_asimage (&background);
580
581	return ret;
582	}
583	# endif /* HAVE_AFTERIMAGE */
584
585	# ifdef HAVE_PIXBUF
586	bool
587	rxvt_term::pixbuf_to_pixmap (GdkPixbuf *pixbuf, Pixmap pixmap, GC gc,
588	int src_x, int src_y, int dst_x, int dst_y,
589	unsigned int width, unsigned int height)
590	{
591	XImage *ximage;
592	char *data, *line;
593	int bytes_per_pixel;
594	int width_r, width_g, width_b;
595	int sh_r, sh_g, sh_b;
596	int rowstride;
597	int channels;
598	unsigned char *row;
599
600	if (visual->c_class != TrueColor)
601	return false;
602
603	if (depth == 24 || depth == 32)
604	bytes_per_pixel = 4;
605	else if (depth == 15 || depth == 16)
606	bytes_per_pixel = 2;
607	else
608	return false;
609
610	width_r = ecb_popcount32 (visual->red_mask);
611	width_g = ecb_popcount32 (visual->green_mask);
612	width_b = ecb_popcount32 (visual->blue_mask);
613
614	if (width_r > 8 || width_g > 8 || width_b > 8)
615	return false;
616
617	sh_r = ecb_ctz32 (visual->red_mask);
618	sh_g = ecb_ctz32 (visual->green_mask);
619	sh_b = ecb_ctz32 (visual->blue_mask);
620
621	if (width > INT_MAX / height / bytes_per_pixel)
622	return false;
623
624	data = (char *)malloc (width * height * bytes_per_pixel);
625	if (!data)
626	return false;
627
628	ximage = XCreateImage (dpy, visual, depth, ZPixmap, 0, data,
629	width, height, bytes_per_pixel * 8, 0);
630	if (!ximage)
631	{
632	free (data);
633	return false;
634	}
635
636	ximage->byte_order = ecb_big_endian () ? MSBFirst : LSBFirst;
637
638	rowstride = gdk_pixbuf_get_rowstride (pixbuf);
639	channels = gdk_pixbuf_get_n_channels (pixbuf);
640	row = gdk_pixbuf_get_pixels (pixbuf) + src_y * rowstride + src_x * channels;
641	line = data;
642
643	for (int y = 0; y < height; y++)
644	{
645	for (int x = 0; x < width; x++)
646	{
647	unsigned char *pixel = row + x * channels;
648	uint32_t value;
649
650	value = ((pixel[0] >> (8 - width_r)) << sh_r)
651	| ((pixel[1] >> (8 - width_g)) << sh_g)
652	| ((pixel[2] >> (8 - width_b)) << sh_b);
653
654	if (bytes_per_pixel == 4)
655	((uint32_t *)line)[x] = value;
656	else
657	((uint16_t *)line)[x] = value;
658	}
659
660	row += rowstride;
661	line += ximage->bytes_per_line;
662	}
663
664	XPutImage (dpy, pixmap, gc, ximage, 0, 0, dst_x, dst_y, width, height);
665	XDestroyImage (ximage);
666	return true;
667	}
668
669	bool
670	rxvt_term::render_image (unsigned long tr_flags)
671	{
672	if (!pixbuf)
673	return false;
674
675	if (tr_flags
676	&& !(bg_flags & BG_HAS_RENDER))
677	return false;
678
679	GdkPixbuf *result;
680
681	int image_width = gdk_pixbuf_get_width (pixbuf);
682	int image_height = gdk_pixbuf_get_height (pixbuf);
683
684	int target_width = szHint.width;
685	int target_height = szHint.height;
686	int new_pmap_width = target_width;
687	int new_pmap_height = target_height;
688
689	int x = 0;
690	int y = 0;
691	int w = 0;
692	int h = 0;
693
694	get_image_geometry (image_width, image_height, w, h, x, y);
695
696	if (!(bg_flags & BG_ROOT_ALIGN)
697	&& (x >= target_width
698	|| y >= target_height
699	|| (x + w <= 0)
700	|| (y + h <= 0)))
701	return false;
702
703	result = pixbuf;
704
705	if ((w != image_width)
706	|| (h != image_height))
707	{
708	result = gdk_pixbuf_scale_simple (pixbuf,
709	w, h,
710	GDK_INTERP_BILINEAR);
711	}
712
713	if (!result)
714	return false;
715
716	bool ret = false;
717
718	XGCValues gcv;
719	GC gc;
720	Pixmap root_pmap;
721
722	image_width = gdk_pixbuf_get_width (result);
723	image_height = gdk_pixbuf_get_height (result);
724
725	if (tr_flags)
726	{
727	root_pmap = bg_pixmap;	563	tmp_pixmap = bg_pixmap;
728	bg_pixmap = None;
729	}
730	else
731	{
732	if (bg_flags & BG_TILE)
733	{
734	new_pmap_width = min (image_width, target_width);
735	new_pmap_height = min (image_height, target_height);
736	}
737	}
738
739	if (bg_pixmap == None
740	|| bg_pmap_width != new_pmap_width
741	|| bg_pmap_height != new_pmap_height)
742	{
743	if (bg_pixmap)
744	XFreePixmap (dpy, bg_pixmap);
745	bg_pixmap = XCreatePixmap (dpy, vt, new_pmap_width, new_pmap_height, depth);
746	bg_pmap_width = new_pmap_width;
747	bg_pmap_height = new_pmap_height;
748	}	564	}
749		565
750	gcv.foreground = pix_colors[Color_bg];	566	gcv.foreground = pix_colors[Color_bg];
751	gc = XCreateGC (dpy, vt, GCForeground, &gcv);	567	gc = XCreateGC (dpy, tmp_pixmap, GCForeground, &gcv);
752		568
753	if (gc)	569	if (gc)
754	{	570	{
755	if (bg_flags & BG_TILE)	571	if (image.flags & IM_TILE)
756	{	572	{
757	Pixmap tile = XCreatePixmap (dpy, vt, image_width, image_height, depth);	573	Pixmap tile = XCreatePixmap (dpy, vt, image_width, image_height, need_blend ? 32 : depth);
758	pixbuf_to_pixmap (result, tile, gc,	574	pixbuf_to_pixmap (result, tile, gc,
759	0, 0,	575	0, 0,
760	0, 0,	576	0, 0,
761	image_width, image_height);	577	image_width, image_height, need_blend);
762		578
763	gcv.tile = tile;	579	gcv.tile = tile;
764	gcv.fill_style = FillTiled;	580	gcv.fill_style = FillTiled;
765	gcv.ts_x_origin = x;	581	gcv.ts_x_origin = x;
766	gcv.ts_y_origin = y;	582	gcv.ts_y_origin = y;
767	XChangeGC (dpy, gc, GCFillStyle | GCTile | GCTileStipXOrigin | GCTileStipYOrigin, &gcv);	583	XChangeGC (dpy, gc, GCFillStyle | GCTile | GCTileStipXOrigin | GCTileStipYOrigin, &gcv);
768		584
769	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);
770	XFreePixmap (dpy, tile);	586	XFreePixmap (dpy, tile);
771	}	587	}
772	else	588	else
773	{	589	{
774	int src_x, src_y, dst_x, dst_y;	590	int src_x, src_y, dst_x, dst_y;
…		…
778	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);
779		595
780	if (dst_x > 0 || dst_y > 0	596	if (dst_x > 0 || dst_y > 0
781	|| dst_x + dst_width < new_pmap_width	597	|| dst_x + dst_width < new_pmap_width
782	|| dst_y + dst_height < new_pmap_height)	598	|| dst_y + dst_height < new_pmap_height)
783	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);
784		600
785	if (dst_x < new_pmap_width && dst_y < new_pmap_height)	601	if (dst_x < new_pmap_width && dst_y < new_pmap_height)
786	pixbuf_to_pixmap (result, bg_pixmap, gc,	602	pixbuf_to_pixmap (result, tmp_pixmap, gc,
787	src_x, src_y,	603	src_x, src_y,
788	dst_x, dst_y,	604	dst_x, dst_y,
789	dst_width, dst_height);	605	dst_width, dst_height, need_blend);
790	}	606	}
791		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);
		612
792	#if XRENDER	613	#if XRENDER
793	if (tr_flags)	614	if (need_blend)
794	{	615	{
795	XRenderPictureAttributes pa;	616	XRenderPictFormat *argb_format = XRenderFindStandardFormat (dpy, PictStandardARGB32);
796
797	XRenderPictFormat *src_format = XRenderFindVisualFormat (dpy, visual);	617	XRenderPictFormat *format = XRenderFindVisualFormat (dpy, visual);
		618
798	Picture src = XRenderCreatePicture (dpy, root_pmap, src_format, 0, &pa);	619	Picture src = XRenderCreatePicture (dpy, tmp_pixmap, argb_format, 0, 0);
799		620
800	XRenderPictFormat *dst_format = XRenderFindVisualFormat (dpy, visual);
801	Picture dst = XRenderCreatePicture (dpy, bg_pixmap, dst_format, 0, &pa);	621	Picture dst = XRenderCreatePicture (dpy, bg_pixmap, format, 0, 0);
802		622
803	pa.repeat = True;	623	Picture mask = create_xrender_mask (dpy, vt, False, False);
804	Pixmap mask_pmap = XCreatePixmap (dpy, vt, 1, 1, 8);
805	XRenderPictFormat *mask_format = XRenderFindStandardFormat (dpy, PictStandardA8);
806	Picture mask = XRenderCreatePicture (dpy, mask_pmap, mask_format, CPRepeat, &pa);
807	XFreePixmap (dpy, mask_pmap);
808		624
809	XRenderColor mask_c;	625	XRenderColor mask_c;
810		626
811	mask_c.alpha = 0x8000;	627	mask_c.alpha = image.alpha;
812	mask_c.red = 0;	628	mask_c.red =
813	mask_c.green = 0;	629	mask_c.green =
814	mask_c.blue = 0;	630	mask_c.blue = 0;
815	XRenderFillRectangle (dpy, PictOpSrc, mask, &mask_c, 0, 0, 1, 1);	631	XRenderFillRectangle (dpy, PictOpSrc, mask, &mask_c, 0, 0, 1, 1);
		632
816	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);
817		634
818	XRenderFreePicture (dpy, src);	635	XRenderFreePicture (dpy, src);
819	XRenderFreePicture (dpy, dst);	636	XRenderFreePicture (dpy, dst);
820	XRenderFreePicture (dpy, mask);	637	XRenderFreePicture (dpy, mask);
…		…
827	}	644	}
828		645
829	if (result != pixbuf)	646	if (result != pixbuf)
830	g_object_unref (result);	647	g_object_unref (result);
831		648
832	if (tr_flags)	649	if (need_blend)
833	XFreePixmap (dpy, root_pmap);	650	XFreePixmap (dpy, tmp_pixmap);
834		651
835	return ret;	652	return ret;
836	}	653	}
837	# endif /* HAVE_PIXBUF */	654	# endif /* HAVE_PIXBUF */
838		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
		679	void
		680	rxvt_term::parse_image (int id, const char *type, const char *arg)
		681	{
		682	if (image_vec.size () < id + 1)
		683	image_vec.resize (id + 1);
		684
		685	rxvt_image *image = &image_vec[id];
		686	}
		687	# endif
		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
839	bool	703	bool
840	rxvt_term::bg_set_file (const char *file)	704	rxvt_image::set_file_geometry (const char *file)
841	{	705	{
842	if (!file || !*file)	706	if (!file || !*file)
843	return false;	707	return false;
844		708
845	if (const char *p = strchr (file, ';'))	709	const char *p = strchr (file, ';');
		710
		711	if (p)
846	{	712	{
847	size_t len = p - file;	713	size_t len = p - file;
848	char *f = rxvt_temp_buf<char> (len + 1);	714	char *f = rxvt_temp_buf<char> (len + 1);
849	memcpy (f, file, len);	715	memcpy (f, file, len);
850	f[len] = '\0';	716	f[len] = '\0';
851	file = f;	717	file = f;
852	}	718	}
853		719
854	# ifdef HAVE_AFTERIMAGE	720	bool ret = set_file (file);
855	if (!asimman)	721	alpha = 0x8000;
856	asimman = create_generic_imageman (rs[Rs_path]);	722	if (ret)
857	ASImage *image = get_asimage (asimman, file, 0xFFFFFFFF, 100);	723	set_geometry (p ? p + 1 : "");
858	if (image)	724	return ret;
859	{	725	}
860	if (original_asim)	726
861	safe_asimage_destroy (original_asim);	727	bool
862	original_asim = image;	728	rxvt_image::set_file (const char *file)
863	bg_flags |= BG_IS_FROM_FILE | BG_CLIENT_RENDER;	729	{
864	return true;	730	bool ret = false;
865	}
866	# endif
867		731
868	# ifdef HAVE_PIXBUF	732	# ifdef HAVE_PIXBUF
869	GdkPixbuf *image = gdk_pixbuf_new_from_file (file, NULL);	733	GdkPixbuf *image = gdk_pixbuf_new_from_file (file, NULL);
870	if (image)	734	if (image)
871	{	735	{
872	if (pixbuf)	736	if (pixbuf)
873	g_object_unref (pixbuf);	737	g_object_unref (pixbuf);
874	pixbuf = image;	738	pixbuf = image;
875	bg_flags |= BG_IS_FROM_FILE;
876	return true;	739	ret = true;
877	}	740	}
878	# endif	741	# endif
879		742
		743	if (ret)
		744	flags |= IM_IS_SET;
		745
880	return false;	746	return ret;
881	}	747	}
882		748
883	# endif /* BG_IMAGE_FROM_FILE */	749	# endif /* BG_IMAGE_FROM_FILE */
884		750
885	# ifdef ENABLE_TRANSPARENCY
886	bool	751	bool
887	rxvt_term::bg_set_transparent ()	752	image_effects::set_blur (const char *geom)
888	{
889	if (!(bg_flags & BG_IS_TRANSPARENT))
890	{
891	bg_flags |= BG_IS_TRANSPARENT;
892	return true;
893	}
894
895	return false;
896	}
897
898	bool
899	rxvt_term::bg_set_blur (const char *geom)
900	{	753	{
901	bool changed = false;	754	bool changed = false;
902	unsigned int hr, vr;	755	unsigned int hr, vr;
903	int junk;	756	int junk;
904	int geom_flags = XParseGeometry (geom, &junk, &junk, &hr, &vr);	757	int geom_flags = XParseGeometry (geom, &junk, &junk, &hr, &vr);
…		…
921	{	774	{
922	changed = true;	775	changed = true;
923	v_blurRadius = vr;	776	v_blurRadius = vr;
924	}	777	}
925		778
926	if (v_blurRadius == 0 && h_blurRadius == 0)
927	bg_flags &= ~BG_NEEDS_BLUR;
928	else
929	bg_flags |= BG_NEEDS_BLUR;
930
931	return changed;	779	return changed;
932	}	780	}
933		781
934	void
935	rxvt_term::set_tint_shade_flags ()
936	{
937	rgba c (rgba::MAX_CC,rgba::MAX_CC,rgba::MAX_CC);
938	bool has_shade = shade != 100;
939
940	bg_flags &= ~BG_TINT_FLAGS;
941
942	if (bg_flags & BG_TINT_SET)
943	{
944	tint.get (c);
945	if (!has_shade
946	&& (c.r <= 0x00ff || c.r >= 0xff00)
947	&& (c.g <= 0x00ff || c.g >= 0xff00)
948	&& (c.b <= 0x00ff || c.b >= 0xff00))
949	bg_flags |= BG_TINT_BITAND;
950	}
951
952	if (has_shade || (bg_flags & BG_TINT_SET))
953	bg_flags |= BG_NEEDS_TINT;
954	}
955
956	bool	782	bool
957	rxvt_term::bg_set_tint (rxvt_color &new_tint)	783	image_effects::set_tint (const rxvt_color &new_tint)
958	{	784	{
959	if (!(bg_flags & BG_TINT_SET) || tint != new_tint)	785	if (!tint_set || tint != new_tint)
960	{	786	{
961	tint = new_tint;	787	tint = new_tint;
962	bg_flags |= BG_TINT_SET;	788	tint_set = true;
963	set_tint_shade_flags ();	789
964	return true;	790	return true;
965	}	791	}
966		792
967	return false;	793	return false;
968	}	794	}
969		795
970	bool	796	bool
971	rxvt_term::bg_set_shade (const char *shade_str)	797	image_effects::set_shade (const char *shade_str)
972	{	798	{
973	int new_shade = (shade_str) ? atoi (shade_str) : 100;	799	int new_shade = atoi (shade_str);
974		800
975	clamp_it (new_shade, -100, 200);	801	clamp_it (new_shade, -100, 200);
976	if (new_shade < 0)	802	if (new_shade < 0)
977	new_shade = 200 - (100 + new_shade);	803	new_shade = 200 - (100 + new_shade);
978		804
979	if (new_shade != shade)	805	if (new_shade != shade)
980	{	806	{
981	shade = new_shade;	807	shade = new_shade;
982	set_tint_shade_flags ();
983	return true;	808	return true;
984	}	809	}
985		810
986	return false;	811	return false;
987	}	812	}
…		…
1008	params[i+2] = XDoubleToFixed (kernel[i] / sum);	833	params[i+2] = XDoubleToFixed (kernel[i] / sum);
1009	}	834	}
1010	#endif	835	#endif
1011		836
1012	bool	837	bool
1013	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)
1014	{	839	{
1015	bool ret = false;	840	bool ret = false;
1016	#if XRENDER	841	#if XRENDER
		842	if (!(bg_flags & BG_HAS_RENDER_CONV))
		843	return false;
		844
1017	int size = max (h_blurRadius, v_blurRadius) * 2 + 1;	845	int size = max (h_blurRadius, v_blurRadius) * 2 + 1;
1018	double *kernel = (double *)malloc (size * sizeof (double));	846	double *kernel = (double *)malloc (size * sizeof (double));
1019	XFixed *params = (XFixed *)malloc ((size + 2) * sizeof (XFixed));	847	XFixed *params = (XFixed *)malloc ((size + 2) * sizeof (XFixed));
1020		848
1021	XRenderPictureAttributes pa;	849	XRenderPictureAttributes pa;
1022	XRenderPictFormat *format = XRenderFindVisualFormat (dpy, visual);	850	XRenderPictFormat *format = argb ? XRenderFindStandardFormat (dpy, PictStandardARGB32)
		851	: XRenderFindVisualFormat (dpy, visual);
1023		852
		853	pa.repeat = RepeatPad;
1024	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);
1025	Picture dst = XRenderCreatePicture (dpy, pixmap, format, 0, &pa);	856	Picture dst = XRenderCreatePicture (dpy, tmp, format, CPRepeat, &pa);
		857	XFreePixmap (dpy, tmp);
1026		858
1027	if (kernel && params)	859	if (kernel && params)
1028	{	860	{
1029	if (h_blurRadius)
1030	{
1031	size = h_blurRadius * 2 + 1;	861	size = h_blurRadius * 2 + 1;
1032	get_gaussian_kernel (h_blurRadius, size, kernel, params);	862	get_gaussian_kernel (h_blurRadius, size, kernel, params);
1033		863
1034	XRenderSetPictureFilter (dpy, src, FilterConvolution, params, size+2);	864	XRenderSetPictureFilter (dpy, src, FilterConvolution, params, size+2);
1035	XRenderComposite (dpy,	865	XRenderComposite (dpy,
1036	PictOpSrc,	866	PictOpSrc,
1037	src,	867	src,
1038	None,	868	None,
1039	dst,	869	dst,
1040	0, 0,	870	0, 0,
1041	0, 0,	871	0, 0,
1042	0, 0,	872	0, 0,
1043	width, height);	873	width, height);
1044	}
1045		874
1046	if (v_blurRadius)	875	::swap (src, dst);
1047	{	876
1048	size = v_blurRadius * 2 + 1;	877	size = v_blurRadius * 2 + 1;
1049	get_gaussian_kernel (v_blurRadius, size, kernel, params);	878	get_gaussian_kernel (v_blurRadius, size, kernel, params);
1050	::swap (params[0], params[1]);	879	::swap (params[0], params[1]);
1051		880
1052	XRenderSetPictureFilter (dpy, src, FilterConvolution, params, size+2);	881	XRenderSetPictureFilter (dpy, src, FilterConvolution, params, size+2);
1053	XRenderComposite (dpy,	882	XRenderComposite (dpy,
1054	PictOpSrc,	883	PictOpSrc,
1055	src,	884	src,
1056	None,	885	None,
1057	dst,	886	dst,
1058	0, 0,	887	0, 0,
1059	0, 0,	888	0, 0,
1060	0, 0,	889	0, 0,
1061	width, height);	890	width, height);
1062	}
1063		891
1064	ret = true;	892	ret = true;
1065	}	893	}
1066		894
1067	free (kernel);	895	free (kernel);
…		…
1071	#endif	899	#endif
1072	return ret;	900	return ret;
1073	}	901	}
1074		902
1075	bool	903	bool
1076	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)
1077	{	905	{
1078	bool ret = false;	906	bool ret = false;
1079		907
1080	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))
1081	{	917	{
1082	XGCValues gcv;	918	XGCValues gcv;
1083	GC gc;	919	GC gc;
1084		920
1085	/* In this case we can tint image server-side getting significant	921	/* In this case we can tint image server-side getting significant
…		…
1094	XFillRectangle (dpy, pixmap, gc, 0, 0, width, height);	930	XFillRectangle (dpy, pixmap, gc, 0, 0, width, height);
1095	ret = true;	931	ret = true;
1096	XFreeGC (dpy, gc);	932	XFreeGC (dpy, gc);
1097	}	933	}
1098	}	934	}
1099	else
1100	{
1101	# if XRENDER	935	# if XRENDER
1102	rgba c (rgba::MAX_CC, rgba::MAX_CC, rgba::MAX_CC);	936	else if (bg_flags & BG_HAS_RENDER)
1103		937	{
1104	if (bg_flags & BG_TINT_SET)
1105	tint.get (c);
1106
1107	if (shade <= 100)	938	if (shade <= 100)
1108	{	939	{
1109	c.r = c.r * shade / 100;	940	c.r = c.r * shade / 100;
1110	c.g = c.g * shade / 100;	941	c.g = c.g * shade / 100;
1111	c.b = c.b * shade / 100;	942	c.b = c.b * shade / 100;
…		…
1115	c.r = c.r * (200 - shade) / 100;	946	c.r = c.r * (200 - shade) / 100;
1116	c.g = c.g * (200 - shade) / 100;	947	c.g = c.g * (200 - shade) / 100;
1117	c.b = c.b * (200 - shade) / 100;	948	c.b = c.b * (200 - shade) / 100;
1118	}	949	}
1119		950
1120	XRenderPictFormat *solid_format = XRenderFindStandardFormat (dpy, PictStandardARGB32);	951	XRenderPictFormat *format = argb ? XRenderFindStandardFormat (dpy, PictStandardARGB32)
1121	XRenderPictFormat *format = XRenderFindVisualFormat (dpy, visual);	952	: XRenderFindVisualFormat (dpy, visual);
1122	XRenderPictureAttributes pa;
1123		953
1124	Picture back_pic = XRenderCreatePicture (dpy, pixmap, format, 0, &pa);	954	Picture back_pic = XRenderCreatePicture (dpy, pixmap, format, 0, 0);
1125		955
1126	pa.repeat = True;	956	Picture overlay_pic = create_xrender_mask (dpy, pixmap, True, False);
1127		957
1128	Pixmap overlay_pmap = XCreatePixmap (dpy, pixmap, 1, 1, 32);	958	Picture mask_pic = create_xrender_mask (dpy, pixmap, True, True);
1129	Picture overlay_pic = XRenderCreatePicture (dpy, overlay_pmap, solid_format, CPRepeat, &pa);
1130	XFreePixmap (dpy, overlay_pmap);
1131
1132	pa.component_alpha = True;
1133	Pixmap mask_pmap = XCreatePixmap (dpy, pixmap, 1, 1, 32);
1134	Picture mask_pic = XRenderCreatePicture (dpy, mask_pmap, solid_format, CPRepeat | CPComponentAlpha, &pa);
1135	XFreePixmap (dpy, mask_pmap);
1136		959
1137	XRenderColor mask_c;	960	XRenderColor mask_c;
1138		961
1139	mask_c.alpha = 0xffff;	962	mask_c.alpha = 0xffff;
1140	mask_c.red =	963	mask_c.red =
…		…
1145	mask_c.alpha = 0;	968	mask_c.alpha = 0;
1146	mask_c.red = 0xffff - c.r;	969	mask_c.red = 0xffff - c.r;
1147	mask_c.green = 0xffff - c.g;	970	mask_c.green = 0xffff - c.g;
1148	mask_c.blue = 0xffff - c.b;	971	mask_c.blue = 0xffff - c.b;
1149	XRenderFillRectangle (dpy, PictOpSrc, mask_pic, &mask_c, 0, 0, 1, 1);	972	XRenderFillRectangle (dpy, PictOpSrc, mask_pic, &mask_c, 0, 0, 1, 1);
		973
1150	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);
1151		975
1152	if (shade > 100)	976	if (shade > 100)
1153	{	977	{
1154	mask_c.red = mask_c.green = mask_c.blue = 0xffff * (shade - 100) / 100;
1155	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;
1156	XRenderFillRectangle (dpy, PictOpSrc, overlay_pic, &mask_c, 0, 0, 1, 1);	982	XRenderFillRectangle (dpy, PictOpSrc, overlay_pic, &mask_c, 0, 0, 1, 1);
1157		983
1158	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);
1159	}	985	}
1160		986
1161	ret = true;	987	ret = true;
1162		988
1163	XRenderFreePicture (dpy, mask_pic);	989	XRenderFreePicture (dpy, mask_pic);
1164	XRenderFreePicture (dpy, overlay_pic);	990	XRenderFreePicture (dpy, overlay_pic);
1165	XRenderFreePicture (dpy, back_pic);	991	XRenderFreePicture (dpy, back_pic);
		992	}
1166	# endif	993	# endif
1167	}
1168		994
1169	return ret;	995	return ret;
1170	}	996	}
1171		997
		998	# ifdef ENABLE_TRANSPARENCY
1172	/*	999	/*
1173	* 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
1174	* 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
1175	* our window.	1002	* our window.
1176	*/	1003	*/
1177	unsigned long	1004	bool
1178	rxvt_term::make_transparency_pixmap ()	1005	rxvt_term::make_transparency_pixmap ()
1179	{	1006	{
1180	unsigned long result = 0;	1007	bool ret = false;
1181		1008
1182	/* 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
1183	* be always up-to-date, so let's use it :	1010	* be always up-to-date, so let's use it :
1184	*/	1011	*/
1185	int screen = display->screen;	1012	int screen = display->screen;
…		…
1223	#if XRENDER	1050	#if XRENDER
1224	if (bg_flags & BG_HAS_RENDER)	1051	if (bg_flags & BG_HAS_RENDER)
1225	{	1052	{
1226	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);
1227		1054
1228	XRenderPictureAttributes pa;
1229
1230	XRenderPictFormat *src_format = XRenderFindVisualFormat (dpy, DefaultVisual (dpy, screen));	1055	XRenderPictFormat *src_format = XRenderFindVisualFormat (dpy, DefaultVisual (dpy, screen));
1231	Picture src = XRenderCreatePicture (dpy, root_pixmap, src_format, 0, &pa);	1056	Picture src = XRenderCreatePicture (dpy, root_pixmap, src_format, 0, 0);
1232		1057
1233	XRenderPictFormat *dst_format = XRenderFindVisualFormat (dpy, visual);	1058	XRenderPictFormat *dst_format = XRenderFindVisualFormat (dpy, visual);
1234	Picture dst = XRenderCreatePicture (dpy, recoded_root_pmap, dst_format, 0, &pa);	1059	Picture dst = XRenderCreatePicture (dpy, recoded_root_pmap, dst_format, 0, 0);
1235		1060
1236	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);
1237		1062
1238	XRenderFreePicture (dpy, src);	1063	XRenderFreePicture (dpy, src);
1239	XRenderFreePicture (dpy, dst);	1064	XRenderFreePicture (dpy, dst);
…		…
1256	bg_pmap_width = window_width;	1081	bg_pmap_width = window_width;
1257	bg_pmap_height = window_height;	1082	bg_pmap_height = window_height;
1258	}	1083	}
1259		1084
1260	/* straightforward pixmap copy */	1085	/* straightforward pixmap copy */
1261	while (sx < 0) sx += root_width;	1086	while (sx < 0) sx += root_pmap_width;
1262	while (sy < 0) sy += root_height;	1087	while (sy < 0) sy += root_pmap_height;
1263		1088
1264	gcv.tile = recoded_root_pmap;	1089	gcv.tile = recoded_root_pmap;
1265	gcv.fill_style = FillTiled;	1090	gcv.fill_style = FillTiled;
1266	gcv.ts_x_origin = -sx;	1091	gcv.ts_x_origin = -sx;
1267	gcv.ts_y_origin = -sy;	1092	gcv.ts_y_origin = -sy;
1268	gc = XCreateGC (dpy, vt, GCFillStyle | GCTile | GCTileStipXOrigin | GCTileStipYOrigin, &gcv);	1093	gc = XCreateGC (dpy, vt, GCFillStyle | GCTile | GCTileStipXOrigin | GCTileStipYOrigin, &gcv);
1269		1094
1270	if (gc)	1095	if (gc)
1271	{	1096	{
1272	XFillRectangle (dpy, bg_pixmap, gc, 0, 0, window_width, window_height);	1097	XFillRectangle (dpy, bg_pixmap, gc, 0, 0, window_width, window_height);
1273	result |= BG_IS_VALID | (bg_flags & BG_EFFECTS_FLAGS);	1098	ret = true;
1274	XFreeGC (dpy, gc);	1099	bool need_blur = root_effects.need_blur ();
		1100	bool need_tint = root_effects.need_tint ();
1275		1101
1276	if (!(bg_flags & BG_CLIENT_RENDER))	1102	if (!(bg_flags & BG_CLIENT_RENDER))
1277	{	1103	{
1278	if ((bg_flags & BG_NEEDS_BLUR)	1104	if (need_blur)
1279	&& (bg_flags & BG_HAS_RENDER_CONV))
1280	{	1105	{
1281	if (blur_pixmap (bg_pixmap, visual, window_width, window_height))	1106	if (blur_pixmap (bg_pixmap, window_width, window_height, false,
1282	result &= ~BG_NEEDS_BLUR;	1107	root_effects.h_blurRadius, root_effects.v_blurRadius))
		1108	need_blur = false;
1283	}	1109	}
1284	if ((bg_flags & BG_NEEDS_TINT)	1110	if (need_tint)
1285	&& (bg_flags & (BG_TINT_BITAND | BG_HAS_RENDER)))
1286	{	1111	{
1287	if (tint_pixmap (bg_pixmap, visual, window_width, window_height))	1112	if (tint_pixmap (bg_pixmap, window_width, window_height, false,
1288	result &= ~BG_NEEDS_TINT;	1113	root_effects.tint, root_effects.tint_set, root_effects.shade))
		1114	need_tint = false;
		1115	}
		1116	if (need_tint)
		1117	{
		1118	XImage *ximage = XGetImage (dpy, bg_pixmap, 0, 0, bg_pmap_width, bg_pmap_height, AllPlanes, ZPixmap);
		1119	if (ximage)
		1120	{
		1121	/* our own client-side tinting */
		1122	tint_ximage (ximage, root_effects.tint, root_effects.tint_set, root_effects.shade);
		1123
		1124	XPutImage (dpy, bg_pixmap, gc, ximage, 0, 0, 0, 0, ximage->width, ximage->height);
		1125	XDestroyImage (ximage);
		1126	}
1289	}	1127	}
1290	} /* server side rendering completed */	1128	} /* server side rendering completed */
		1129
		1130	XFreeGC (dpy, gc);
1291	}	1131	}
1292		1132
1293	if (recoded_root_pmap != root_pixmap)	1133	if (recoded_root_pmap != root_pixmap)
1294	XFreePixmap (dpy, recoded_root_pmap);	1134	XFreePixmap (dpy, recoded_root_pmap);
1295		1135
1296	return result;	1136	return ret;
1297	}	1137	}
1298		1138
1299	void	1139	void
1300	rxvt_term::bg_set_root_pixmap ()	1140	rxvt_term::bg_set_root_pixmap ()
1301	{	1141	{
…		…
1305		1145
1306	root_pixmap = new_root_pixmap;	1146	root_pixmap = new_root_pixmap;
1307	}	1147	}
1308	# endif /* ENABLE_TRANSPARENCY */	1148	# endif /* ENABLE_TRANSPARENCY */
1309		1149
1310	#if defined(ENABLE_TRANSPARENCY) && !defined(HAVE_AFTERIMAGE)
1311	static void shade_ximage (Visual *visual, XImage *ximage, int shade, const rgba &c);
1312	# endif
1313
1314	bool	1150	bool
1315	rxvt_term::bg_render ()	1151	rxvt_term::bg_render ()
1316	{	1152	{
1317	unsigned long tr_flags = 0;
1318
1319	bg_invalidate ();	1153	bg_invalidate ();
1320	# ifdef ENABLE_TRANSPARENCY	1154	# ifdef ENABLE_TRANSPARENCY
1321	if (bg_flags & BG_IS_TRANSPARENT)	1155	if (bg_flags & BG_IS_TRANSPARENT)
1322	{	1156	{
1323	/* we need to re-generate transparency pixmap in that case ! */	1157	/* we need to re-generate transparency pixmap in that case ! */
1324	tr_flags = make_transparency_pixmap ();	1158	if (make_transparency_pixmap ())
1325	if (tr_flags == 0)
1326	return false;
1327	else if (!(tr_flags & BG_EFFECTS_FLAGS))
1328	bg_flags |= BG_IS_VALID;	1159	bg_flags |= BG_IS_VALID;
1329	}	1160	}
1330	# endif	1161	# endif
1331		1162
1332	# ifdef BG_IMAGE_FROM_FILE	1163	# ifdef BG_IMAGE_FROM_FILE
1333	if ((bg_flags & BG_IS_FROM_FILE)	1164	for (vector<rxvt_image>::iterator bg_image = image_vec.begin (); bg_image < image_vec.end (); bg_image++)
1334	|| (tr_flags & BG_EFFECTS_FLAGS))
1335	{	1165	{
1336	if (render_image (tr_flags))	1166	if (render_image (*bg_image))
1337	bg_flags |= BG_IS_VALID;	1167	bg_flags |= BG_IS_VALID;
1338	}
1339	# endif
1340
1341	# if defined(ENABLE_TRANSPARENCY) && !defined(HAVE_AFTERIMAGE)
1342	XImage *result = NULL;
1343
1344	if (tr_flags && !(bg_flags & BG_IS_VALID))
1345	{
1346	result = XGetImage (dpy, bg_pixmap, 0, 0, bg_pmap_width, bg_pmap_height, AllPlanes, ZPixmap);
1347	}
1348
1349	if (result)
1350	{
1351	/* our own client-side tinting */
1352	if (tr_flags & BG_NEEDS_TINT)
1353	{
1354	rgba c (rgba::MAX_CC,rgba::MAX_CC,rgba::MAX_CC);
1355	if (bg_flags & BG_TINT_SET)
1356	tint.get (c);
1357	shade_ximage (DefaultVisual (dpy, display->screen), result, shade, c);
1358	}
1359
1360	GC gc = XCreateGC (dpy, vt, 0UL, NULL);
1361
1362	if (gc)
1363	{
1364	XPutImage (dpy, bg_pixmap, gc, result, 0, 0, 0, 0, result->width, result->height);
1365
1366	XFreeGC (dpy, gc);
1367	bg_flags |= BG_IS_VALID;
1368	}
1369
1370	XDestroyImage (result);
1371	}	1168	}
1372	# endif	1169	# endif
1373		1170
1374	if (!(bg_flags & BG_IS_VALID))	1171	if (!(bg_flags & BG_IS_VALID))
1375	{	1172	{
…		…
1389	}	1186	}
1390		1187
1391	void	1188	void
1392	rxvt_term::bg_init ()	1189	rxvt_term::bg_init ()
1393	{	1190	{
1394	#ifdef ENABLE_TRANSPARENCY
1395	shade = 100;
1396	#endif
1397
1398	bg_flags &= ~(BG_HAS_RENDER | BG_HAS_RENDER_CONV);	1191	bg_flags &= ~(BG_HAS_RENDER | BG_HAS_RENDER_CONV);
1399	#if XRENDER	1192	#if XRENDER
1400	int major, minor;	1193	int major, minor;
1401	if (XRenderQueryVersion (dpy, &major, &minor))	1194	if (XRenderQueryVersion (dpy, &major, &minor))
1402	bg_flags |= BG_HAS_RENDER;	1195	bg_flags |= BG_HAS_RENDER;
…		…
1408	bg_flags |= BG_HAS_RENDER_CONV;	1201	bg_flags |= BG_HAS_RENDER_CONV;
1409		1202
1410	XFree (filters);	1203	XFree (filters);
1411	}	1204	}
1412	#endif	1205	#endif
1413	}
1414		1206
1415	#endif /* HAVE_BG_PIXMAP */	1207	#ifdef BG_IMAGE_FROM_FILE
		1208	if (rs[Rs_backgroundPixmap])
		1209	{
		1210	rxvt_image *image = new_image ();
		1211	if (!image->set_file_geometry (rs[Rs_backgroundPixmap]))
		1212	image_vec.pop_back ();
		1213	}
1416		1214
1417	#if defined(ENABLE_TRANSPARENCY) && !defined(HAVE_AFTERIMAGE)	1215	# ifndef NO_RESOURCES
		1216	find_resources ("image", "Image", XrmEnumAllLevels, rxvt_define_image);
		1217	vector<rxvt_image>::iterator bg_image = image_vec.begin ();
		1218	while (bg_image != image_vec.end ())
		1219	{
		1220	if (!(bg_image->flags & IM_IS_SET))
		1221	bg_image = image_vec.erase (bg_image);
		1222	else
		1223	{
		1224	if (bg_image->is_size_sensitive ())
		1225	bg_image->flags |= IM_IS_SIZE_SENSITIVE;
		1226
		1227	bg_image++;
		1228	}
		1229	}
		1230	# endif
		1231
		1232	if (image_vec.size () > 0
		1233	&& !bg_window_position_sensitive ())
		1234	update_background ();
		1235	#endif
		1236	}
		1237
1418	/* taken from aterm-0.4.2 */	1238	/* based on code from aterm-0.4.2 */
1419		1239
1420	static void	1240	static inline void
1421	shade_ximage (Visual *visual, XImage *ximage, int shade, const rgba &c)	1241	fill_lut (uint32_t *lookup, uint32_t mask, int sh, unsigned short low, unsigned short high)
1422	{	1242	{
		1243	for (int i = 0; i <= mask >> sh; i++)
		1244	{
		1245	uint32_t tmp;
		1246	tmp = i * high;
		1247	tmp += (mask >> sh) * low;
		1248	lookup[i] = (tmp / 0xffff) << sh;
		1249	}
		1250	}
		1251
		1252	void
		1253	rxvt_term::tint_ximage (XImage *ximage, rxvt_color &tint, bool tint_set, int shade)
		1254	{
		1255	unsigned int size_r, size_g, size_b;
1423	int sh_r, sh_g, sh_b;	1256	int sh_r, sh_g, sh_b;
1424	uint32_t mask_r, mask_g, mask_b;	1257	uint32_t mask_r, mask_g, mask_b;
1425	uint32_t *lookup, *lookup_r, *lookup_g, *lookup_b;	1258	uint32_t *lookup, *lookup_r, *lookup_g, *lookup_b;
1426	rgba low;	1259	unsigned short low;
1427	rgba high;
1428	int i;
1429	int host_byte_order = ecb_big_endian () ? MSBFirst : LSBFirst;	1260	int host_byte_order = ecb_big_endian () ? MSBFirst : LSBFirst;
1430		1261
1431	if (visual->c_class != TrueColor || ximage->format != ZPixmap) return;	1262	if (visual->c_class != TrueColor || ximage->format != ZPixmap) return;
1432		1263
1433	/* for convenience */	1264	/* for convenience */
1434	mask_r = visual->red_mask;	1265	mask_r = visual->red_mask;
1435	mask_g = visual->green_mask;	1266	mask_g = visual->green_mask;
1436	mask_b = visual->blue_mask;	1267	mask_b = visual->blue_mask;
1437		1268
1438	/* boring lookup table pre-initialization */	1269	/* boring lookup table pre-initialization */
1439	switch (ximage->depth)	1270	sh_r = ecb_ctz32 (mask_r);
1440	{	1271	sh_g = ecb_ctz32 (mask_g);
1441	case 15:	1272	sh_b = ecb_ctz32 (mask_b);
1442	if ((mask_r != 0x7c00) ||	1273
1443	(mask_g != 0x03e0) ||	1274	size_r = mask_r >> sh_r;
1444	(mask_b != 0x001f))	1275	size_g = mask_g >> sh_g;
		1276	size_b = mask_b >> sh_b;
		1277
		1278	if (size_r++ > 255 || size_g++ > 255 || size_b++ > 255)
1445	return;	1279	return;
1446	lookup = (uint32_t *) malloc (sizeof (uint32_t)*(32+32+32));	1280
		1281	lookup = (uint32_t *)malloc (sizeof (uint32_t) * (size_r + size_g + size_b));
1447	lookup_r = lookup;	1282	lookup_r = lookup;
1448	lookup_g = lookup+32;	1283	lookup_g = lookup + size_r;
1449	lookup_b = lookup+32+32;	1284	lookup_b = lookup + size_r + size_g;
1450	sh_r = 10;	1285
1451	sh_g = 5;	1286	rgba c (rgba::MAX_CC, rgba::MAX_CC, rgba::MAX_CC);
1452	sh_b = 0;	1287
1453	break;	1288	if (tint_set)
1454	case 16:	1289	tint.get (c);
1455	if ((mask_r != 0xf800) ||
1456	(mask_g != 0x07e0) ||
1457	(mask_b != 0x001f))
1458	return;
1459	lookup = (uint32_t *) malloc (sizeof (uint32_t)*(32+64+32));
1460	lookup_r = lookup;
1461	lookup_g = lookup+32;
1462	lookup_b = lookup+32+64;
1463	sh_r = 11;
1464	sh_g = 5;
1465	sh_b = 0;
1466	break;
1467	case 24:
1468	if ((mask_r != 0xff0000) ||
1469	(mask_g != 0x00ff00) ||
1470	(mask_b != 0x0000ff))
1471	return;
1472	lookup = (uint32_t *) malloc (sizeof (uint32_t)*(256+256+256));
1473	lookup_r = lookup;
1474	lookup_g = lookup+256;
1475	lookup_b = lookup+256+256;
1476	sh_r = 16;
1477	sh_g = 8;
1478	sh_b = 0;
1479	break;
1480	case 32:
1481	if ((mask_r != 0xff0000) ||
1482	(mask_g != 0x00ff00) ||
1483	(mask_b != 0x0000ff))
1484	return;
1485	lookup = (uint32_t *) malloc (sizeof (uint32_t)*(256+256+256));
1486	lookup_r = lookup;
1487	lookup_g = lookup+256;
1488	lookup_b = lookup+256+256;
1489	sh_r = 16;
1490	sh_g = 8;
1491	sh_b = 0;
1492	break;
1493	default:
1494	return; /* we do not support this color depth */
1495	}
1496		1290
1497	/* prepare limits for color transformation (each channel is handled separately) */	1291	/* prepare limits for color transformation (each channel is handled separately) */
1498	if (shade > 100)	1292	if (shade > 100)
1499	{	1293	{
1500	shade = 200 - shade;
1501
1502	high.r = c.r * shade / 100;
1503	high.g = c.g * shade / 100;
1504	high.b = c.b * shade / 100;
1505
1506	low.r = 65535 * (100 - shade) / 100;	1294	c.r = c.r * (200 - shade) / 100;
1507	low.g = 65535 * (100 - shade) / 100;	1295	c.g = c.g * (200 - shade) / 100;
1508	low.b = 65535 * (100 - shade) / 100;	1296	c.b = c.b * (200 - shade) / 100;
		1297
		1298	low = 0xffff * (shade - 100) / 100;
1509	}	1299	}
1510	else	1300	else
1511	{	1301	{
1512	high.r = c.r * shade / 100;	1302	c.r = c.r * shade / 100;
1513	high.g = c.g * shade / 100;	1303	c.g = c.g * shade / 100;
1514	high.b = c.b * shade / 100;	1304	c.b = c.b * shade / 100;
1515		1305
1516	low.r = low.g = low.b = 0;	1306	low = 0;
1517	}	1307	}
1518		1308
1519	/* fill our lookup tables */	1309	/* fill our lookup tables */
1520	for (i = 0; i <= mask_r>>sh_r; i++)	1310	fill_lut (lookup_r, mask_r, sh_r, low, c.r);
1521	{	1311	fill_lut (lookup_g, mask_g, sh_g, low, c.g);
1522	uint32_t tmp;	1312	fill_lut (lookup_b, mask_b, sh_b, low, c.b);
1523	tmp = i * high.r;
1524	tmp += (mask_r>>sh_r) * low.r;
1525	lookup_r[i] = (tmp/65535)<<sh_r;
1526	}
1527	for (i = 0; i <= mask_g>>sh_g; i++)
1528	{
1529	uint32_t tmp;
1530	tmp = i * high.g;
1531	tmp += (mask_g>>sh_g) * low.g;
1532	lookup_g[i] = (tmp/65535)<<sh_g;
1533	}
1534	for (i = 0; i <= mask_b>>sh_b; i++)
1535	{
1536	uint32_t tmp;
1537	tmp = i * high.b;
1538	tmp += (mask_b>>sh_b) * low.b;
1539	lookup_b[i] = (tmp/65535)<<sh_b;
1540	}
1541		1313
1542	/* apply table to input image (replacing colors by newly calculated ones) */	1314	/* apply table to input image (replacing colors by newly calculated ones) */
1543	if (ximage->bits_per_pixel == 32	1315	if (ximage->bits_per_pixel == 32
1544	&& (ximage->depth == 24 || ximage->depth == 32)
1545	&& ximage->byte_order == host_byte_order)	1316	&& ximage->byte_order == host_byte_order)
1546	{	1317	{
1547	uint32_t *p1, *pf, *p, *pl;	1318	char *line = ximage->data;
1548	p1 = (uint32_t *) ximage->data;
1549	pf = (uint32_t *) (ximage->data + ximage->height * ximage->bytes_per_line);
1550		1319
1551	while (p1 < pf)	1320	for (int y = 0; y < ximage->height; y++)
1552	{	1321	{
1553	p = p1;	1322	uint32_t *p = (uint32_t *)line;
1554	pl = p1 + ximage->width;	1323	for (int x = 0; x < ximage->width; x++)
1555	for (; p < pl; p++)
1556	{	1324	{
1557	*p = lookup_r[(*p & 0xff0000) >> 16] |	1325	*p = lookup_r[(*p & mask_r) >> sh_r] |
1558	lookup_g[(*p & 0x00ff00) >> 8] |	1326	lookup_g[(*p & mask_g) >> sh_g] |
1559	lookup_b[(*p & 0x0000ff)] |	1327	lookup_b[(*p & mask_b) >> sh_b];
1560	(*p & 0xff000000);	1328	p++;
1561	}	1329	}
1562	p1 = (uint32_t *) ((char *) p1 + ximage->bytes_per_line);	1330	line += ximage->bytes_per_line;
1563	}	1331	}
1564	}	1332	}
1565	else	1333	else
1566	{	1334	{
1567	for (int y = 0; y < ximage->height; y++)	1335	for (int y = 0; y < ximage->height; y++)
…		…
1575	}	1343	}
1576	}	1344	}
1577		1345
1578	free (lookup);	1346	free (lookup);
1579	}	1347	}
1580	#endif /* defined(ENABLE_TRANSPARENCY) && !defined(HAVE_AFTERIMAGE) */	1348
		1349	#endif /* HAVE_BG_PIXMAP */

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