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Comparing rxvt-unicode/src/background.C (file contents):
Revision 1.160 by sf-exg, Thu Aug 11 08:37:17 2011 UTC vs.
Revision 1.223 by sf-exg, Sat May 26 08:55:27 2012 UTC

…		…
3	*----------------------------------------------------------------------*	3	*----------------------------------------------------------------------*
4	*	4	*
5	* All portions of code are copyright by their respective author/s.	5	* All portions of code are copyright by their respective author/s.
6	* Copyright (c) 2005-2008 Marc Lehmann <schmorp@schmorp.de>	6	* Copyright (c) 2005-2008 Marc Lehmann <schmorp@schmorp.de>
7	* Copyright (c) 2007 Sasha Vasko <sasha@aftercode.net>	7	* Copyright (c) 2007 Sasha Vasko <sasha@aftercode.net>
8	* Copyright (c) 2010 Emanuele Giaquinta <e.giaquinta@glauco.it>	8	* Copyright (c) 2010-2012 Emanuele Giaquinta <e.giaquinta@glauco.it>
9	*	9	*
10	* This program is free software; you can redistribute it and/or modify	10	* This program is free software; you can redistribute it and/or modify
11	* it under the terms of the GNU General Public License as published by	11	* it under the terms of the GNU General Public License as published by
12	* the Free Software Foundation; either version 2 of the License, or	12	* the Free Software Foundation; either version 2 of the License, or
13	* (at your option) any later version.	13	* (at your option) any later version.
…		…
20	* You should have received a copy of the GNU General Public License	20	* You should have received a copy of the GNU General Public License
21	* along with this program; if not, write to the Free Software	21	* along with this program; if not, write to the Free Software
22	* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.	22	* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
23	*---------------------------------------------------------------------*/	23	*---------------------------------------------------------------------*/
24		24
25	#include <cmath>	25	#include <math.h>
26	#include "../config.h" /* NECESSARY */	26	#include "../config.h" /* NECESSARY */
27	#include "rxvt.h" /* NECESSARY */	27	#include "rxvt.h" /* NECESSARY */
28		28
29	#if XRENDER	29	#if XRENDER
30	# include <X11/extensions/Xrender.h>	30	# include <X11/extensions/Xrender.h>
…		…
32		32
33	#ifndef FilterConvolution	33	#ifndef FilterConvolution
34	#define FilterConvolution "convolution"	34	#define FilterConvolution "convolution"
35	#endif	35	#endif
36		36
37	/*	37	#ifndef RepeatPad
38	* Pixmap geometry string interpretation :	38	#define RepeatPad True
39	* Each geometry string contains zero or one scale/position	39	#endif
40	* adjustment and may optionally be followed by a colon and one or more
41	* colon-delimited pixmap operations.
42	* The following table shows the valid geometry strings and their
43	* effects on the background image :
44	*
45	* WxH+X+Y Set scaling to W% by H%, and position to X% by Y%.
46	* W and H are percentages of the terminal window size.
47	* X and Y are also percentages; e.g., +50+50 centers
48	* the image in the window.
49	*
50	* Pixmap Operations : (should be prepended by a colon)
51	*/
52		40
53	#ifdef HAVE_BG_PIXMAP	41	#ifdef HAVE_BG_PIXMAP
		42	# if XRENDER
		43	static Picture
		44	create_xrender_mask (Display *dpy, Drawable drawable, Bool argb, Bool component_alpha)
		45	{
		46	Pixmap pixmap = XCreatePixmap (dpy, drawable, 1, 1, argb ? 32 : 8);
		47
		48	XRenderPictFormat *format = XRenderFindStandardFormat (dpy, argb ? PictStandardARGB32 : PictStandardA8);
		49	XRenderPictureAttributes pa;
		50	pa.repeat = True;
		51	pa.component_alpha = component_alpha;
		52	Picture mask = XRenderCreatePicture (dpy, pixmap, format, CPRepeat | CPComponentAlpha, &pa);
		53
		54	XFreePixmap (dpy, pixmap);
		55
		56	return mask;
		57	}
		58	# endif
		59
54	void	60	void
55	rxvt_term::bg_destroy ()	61	rxvt_term::bg_destroy ()
56	{	62	{
57	#ifdef HAVE_AFTERIMAGE	63	# ifdef BG_IMAGE_FROM_FILE
58	if (original_asim)	64	for (vector<rxvt_image>::iterator bg_image = image_vec.begin (); bg_image < image_vec.end (); bg_image++)
59	safe_asimage_destroy (original_asim);	65	bg_image->destroy ();
60	if (asv)
61	destroy_asvisual (asv, 0);
62	if (asimman)
63	destroy_image_manager (asimman, 0);
64	#endif	66	# endif
65
66	#ifdef HAVE_PIXBUF
67	if (pixbuf)
68	g_object_unref (pixbuf);
69	#endif
70		67
71	if (bg_pixmap)	68	if (bg_pixmap)
72	XFreePixmap (dpy, bg_pixmap);	69	XFreePixmap (dpy, bg_pixmap);
73	}	70	}
74		71
…		…
93	if (bg_flags & BG_IS_TRANSPARENT)	90	if (bg_flags & BG_IS_TRANSPARENT)
94	return true;	91	return true;
95	# endif	92	# endif
96		93
97	# ifdef BG_IMAGE_FROM_FILE	94	# ifdef BG_IMAGE_FROM_FILE
98	if (bg_flags & BG_IS_FROM_FILE)	95	for (vector<rxvt_image>::iterator bg_image = image_vec.begin (); bg_image < image_vec.end (); bg_image++)
99	{	96	{
100	if (bg_flags & BG_IS_SIZE_SENSITIVE)	97	if ((bg_image->flags & IM_IS_SIZE_SENSITIVE)
		98	|| bg_image->width () > szHint.width
		99	|| bg_image->height () > szHint.height)
101	return true;	100	return true;
102	}	101	}
103	# endif	102	# endif
104		103
105	return false;	104	return false;
…		…
112	if (bg_flags & BG_IS_TRANSPARENT)	111	if (bg_flags & BG_IS_TRANSPARENT)
113	return true;	112	return true;
114	# endif	113	# endif
115		114
116	# ifdef BG_IMAGE_FROM_FILE	115	# ifdef BG_IMAGE_FROM_FILE
117	if (bg_flags & BG_IS_FROM_FILE)	116	for (vector<rxvt_image>::iterator bg_image = image_vec.begin (); bg_image < image_vec.end (); bg_image++)
118	{	117	{
119	if (bg_flags & BG_ROOT_ALIGN)	118	if (bg_image->flags & IM_ROOT_ALIGN)
120	return true;	119	return true;
121	}	120	}
122	# endif	121	# endif
123		122
124	return false;	123	return false;
125	}	124	}
126		125
127	# ifdef BG_IMAGE_FROM_FILE	126	# ifdef BG_IMAGE_FROM_FILE
128	static inline bool
129	check_set_scale_value (int geom_flags, int flag, unsigned int &scale, unsigned int new_value)
130	{
131	if (geom_flags & flag)
132	{
133	if (new_value > 1000)
134	new_value = 1000;
135	if (new_value != scale)
136	{
137	scale = new_value;
138	return true;
139	}
140	}
141	return false;
142	}
143
144	static inline bool
145	check_set_align_value (int geom_flags, int flag, int &align, int new_value)
146	{
147	if (geom_flags & flag)
148	{
149	if (new_value < -100)
150	new_value = -100;
151	else if (new_value > 200)
152	new_value = 200;
153	if (new_value != align)
154	{
155	align = new_value;
156	return true;
157	}
158	}
159	return false;
160	}
161
162	static inline int	127	static inline int
163	make_align_position (int align, int window_size, int image_size)	128	make_align_position (int align, int window_size, int image_size)
164	{	129	{
165	int diff = window_size - image_size;
166	int smaller = min (image_size, window_size);
167
168	if (align >= 0 && align <= 100)	130	if (align >= 0 && align <= 100)
169	return diff * align / 100;	131	return lerp (0, window_size - image_size, align);
170	else if (align > 100 && align <= 200)	132	else if (align > 100)
171	return ((align - 100) * smaller / 100) + window_size - smaller;	133	return lerp (window_size - image_size, window_size, align - 100);
172	else if (align >= -100 && align < 0)	134	else
173	return ((align + 100) * smaller / 100) - image_size;	135	return lerp (-image_size, 0, align + 100);
174	return 0;
175	}	136	}
176		137
177	static inline int	138	static inline int
178	make_clip_rectangle (int pos, int size, int target_size, int &dst_pos, int &dst_size)	139	make_clip_rectangle (int pos, int size, int target_size, int &dst_pos, int &dst_size)
179	{	140	{
…		…
185	src_pos = -pos;	146	src_pos = -pos;
186	dst_pos = 0;	147	dst_pos = 0;
187	dst_size += pos;	148	dst_size += pos;
188	}	149	}
189		150
190	if (dst_pos + dst_size > target_size)
191	dst_size = target_size - dst_pos;	151	min_it (dst_size, target_size - dst_pos);
192	return src_pos;	152	return src_pos;
193	}	153	}
194		154
		155	static void
		156	parse_style (const char *style, int &x, int &y, unsigned int &w, unsigned int &h, uint8_t &flags)
		157	{
		158	if (!strcasecmp (style, "tiled"))
		159	{
		160	flags = IM_TILE;
		161	w = h = noScale;
		162	x = y = 0;
		163	}
		164	else if (!strcasecmp (style, "aspect-stretched"))
		165	{
		166	flags = IM_KEEP_ASPECT;
		167	w = h = windowScale;
		168	x = y = centerAlign;
		169	}
		170	else if (!strcasecmp (style, "stretched"))
		171	{
		172	flags = 0;
		173	w = h = windowScale;
		174	x = y = centerAlign;
		175	}
		176	else if (!strcasecmp (style, "centered"))
		177	{
		178	flags = 0;
		179	w = h = noScale;
		180	x = y = centerAlign;
		181	}
		182	else if (!strcasecmp (style, "root-tiled"))
		183	{
		184	flags = IM_TILE|IM_ROOT_ALIGN;
		185	w = h = noScale;
		186	x = y = 0;
		187	}
		188	}
		189
195	bool	190	bool
196	rxvt_term::bg_set_geometry (const char *geom, bool update)	191	rxvt_image::set_geometry (const char *geom, bool update)
197	{	192	{
198	bool changed = false;	193	bool changed = false;
199	int geom_flags = 0;	194	int geom_flags = 0;
200	int x = 0, y = 0;	195	int x = h_align;
		196	int y = v_align;
201	unsigned int w = 0, h = 0;	197	unsigned int w = h_scale;
202	unsigned int n;	198	unsigned int h = v_scale;
203	unsigned long new_flags = (bg_flags & (~BG_GEOMETRY_FLAGS));	199	uint8_t new_flags = 0;
204	const char *ops;
205		200
206	if (geom == NULL)	201	if (geom == NULL)
207	return false;	202	return false;
208		203
209	char str[256];	204	if (geom[0])
210
211	ops = strchr (geom, ':');
212	if (ops == NULL)
213	n = strlen (geom);
214	else
215	n = ops - geom;
216
217	if (n >= sizeof (str))
218	return false;
219
220	memcpy (str, geom, n);
221	str[n] = '\0';
222	rxvt_strtrim (str);
223
224	if (str[0])
225	{	205	{
226	/* 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
227	geom_flags = XParseGeometry (str, &x, &y, &w, &h);	268	geom_flags |= XParseGeometry (arr[i], &x, &y, &w, &h);
228	} /* done parsing geometry string */	269	} /* done parsing ops */
		270
		271	rxvt_free_strsplit (arr);
		272	}
		273
		274	new_flags |= flags & ~IM_GEOMETRY_FLAGS;
229		275
230	if (!update)	276	if (!update)
231	{	277	{
232	if (!(geom_flags & XValue))	278	if (!(geom_flags & XValue))
233	x = y = defaultAlign;	279	x = y = defaultAlign;
…		…
238	w = h = defaultScale;	284	w = h = defaultScale;
239	else if (!(geom_flags & HeightValue))	285	else if (!(geom_flags & HeightValue))
240	h = w;	286	h = w;
241	else if (!(geom_flags & WidthValue))	287	else if (!(geom_flags & WidthValue))
242	w = h;	288	w = h;
243
244	geom_flags |= WidthValue|HeightValue|XValue|YValue;
245	}
246
247	if (ops)
248	{	289	}
249	char **arr = rxvt_strsplit (':', ops + 1);
250		290
251	for (int i = 0; arr[i]; i++)	291	clamp_it (x, -100, 200);
252	{	292	clamp_it (y, -100, 200);
253	if (!strcasecmp (arr[i], "style=tiled"))
254	{
255	new_flags = BG_TILE;
256	w = h = noScale;
257	x = y = 0;
258	geom_flags = WidthValue|HeightValue|XValue|YValue;
259	}
260	else if (!strcasecmp (arr[i], "style=aspect-stretched"))
261	{
262	new_flags = BG_PROP_SCALE;
263	x = y = centerAlign;
264	geom_flags = XValue|YValue;
265	}
266	else if (!strcasecmp (arr[i], "style=stretched"))
267	{
268	new_flags = 0;
269	w = h = windowScale;
270	geom_flags = WidthValue|HeightValue;
271	}
272	else if (!strcasecmp (arr[i], "style=centered"))
273	{
274	new_flags = 0;
275	w = h = noScale;
276	x = y = centerAlign;
277	geom_flags = WidthValue|HeightValue|XValue|YValue;
278	}
279	else if (!strcasecmp (arr[i], "style=root-tiled"))
280	{
281	new_flags = BG_TILE|BG_ROOT_ALIGN;
282	w = h = noScale;
283	geom_flags = WidthValue|HeightValue;
284	}
285	else if (!strcasecmp (arr[i], "op=tile"))
286	new_flags |= BG_TILE;
287	else if (!strcasecmp (arr[i], "op=pscale"))
288	new_flags |= BG_PROP_SCALE;
289	else if (!strcasecmp (arr[i], "op=root"))
290	new_flags |= BG_ROOT_ALIGN;
291		293
292	// deprecated	294	if (flags != new_flags
293	else if (!strcasecmp (arr[i], "tile"))	295	|| h_scale != w
294	{	296	|| v_scale != h
295	new_flags |= BG_TILE;	297	|| h_align != x
296	w = h = noScale;	298	|| v_align != y)
297	geom_flags |= WidthValue|HeightValue;
298	}
299	else if (!strcasecmp (arr[i], "propscale"))
300	{
301	new_flags |= BG_PROP_SCALE;
302	}
303	else if (!strcasecmp (arr[i], "scale"))
304	{
305	if (h == 0) h = windowScale;
306	if (w == 0) w = windowScale;
307
308	geom_flags |= WidthValue|HeightValue;
309	}
310	else if (!strcasecmp (arr[i], "root"))
311	{
312	new_flags |= BG_TILE|BG_ROOT_ALIGN;
313	w = h = noScale;
314	geom_flags |= WidthValue|HeightValue;
315	}
316	} /* done parsing ops */
317
318	rxvt_free_strsplit (arr);
319	}	299	{
320
321	if (check_set_scale_value (geom_flags, WidthValue, h_scale, w)) changed = true;
322	if (check_set_scale_value (geom_flags, HeightValue, v_scale, h)) changed = true;
323	if (check_set_align_value (geom_flags, XValue, h_align, x)) changed = true;
324	if (check_set_align_value (geom_flags, YValue, v_align, y)) changed = true;
325
326	if (new_flags != bg_flags)
327	{
328	bg_flags = new_flags;	300	flags = new_flags;
		301	h_scale = w;
		302	v_scale = h;
		303	h_align = x;
		304	v_align = y;
329	changed = true;	305	changed = true;
330	}	306	}
331		307
		308	if (!(flags & IM_TILE)
		309	|| h_scale || v_scale
		310	|| (!(flags & IM_ROOT_ALIGN) && (h_align || v_align)))
		311	flags |= IM_IS_SIZE_SENSITIVE;
		312	else
		313	flags &= ~IM_IS_SIZE_SENSITIVE;
		314
332	return changed;	315	return changed;
333	}	316	}
334		317
335	void	318	void
336	rxvt_term::get_image_geometry (int image_width, int image_height, int &w, int &h, int &x, int &y)	319	rxvt_term::get_image_geometry (rxvt_image &image, int &w, int &h, int &x, int &y)
337	{	320	{
		321	int image_width = image.width ();
		322	int image_height = image.height ();
338	int target_width = szHint.width;	323	int target_width = szHint.width;
339	int target_height = szHint.height;	324	int target_height = szHint.height;
		325	int h_scale = min (image.h_scale, 32767 * 100 / target_width);
		326	int v_scale = min (image.v_scale, 32767 * 100 / target_height);
340		327
341	if (bg_flags & BG_PROP_SCALE)	328	w = h_scale * target_width / 100;
		329	h = v_scale * target_height / 100;
		330
		331	if (image.flags & IM_KEEP_ASPECT)
342	{	332	{
343	float scale = (float)target_width / image_width;	333	float scale = (float)w / image_width;
344	min_it (scale, (float)target_height / image_height);	334	min_it (scale, (float)h / image_height);
345	w = image_width * scale + 0.5;	335	w = image_width * scale + 0.5;
346	h = image_height * scale + 0.5;	336	h = image_height * scale + 0.5;
347	}	337	}
348	else
349	{
350	w = h_scale * target_width / 100;
351	h = v_scale * target_height / 100;
352	}
353		338
354	if (!w) w = image_width;	339	if (!w) w = image_width;
355	if (!h) h = image_height;	340	if (!h) h = image_height;
356		341
357	if (bg_flags & BG_ROOT_ALIGN)	342	if (image.flags & IM_ROOT_ALIGN)
358	{	343	{
359	x = -target_x;	344	x = -target_x;
360	y = -target_y;	345	y = -target_y;
361	}	346	}
362	else	347	else
363	{	348	{
364	x = make_align_position (h_align, target_width, w);	349	x = make_align_position (image.h_align, target_width, w);
365	y = make_align_position (v_align, target_height, h);	350	y = make_align_position (image.v_align, target_height, h);
366	}
367
368	bg_flags &= ~BG_IS_SIZE_SENSITIVE;
369	if (!(bg_flags & BG_TILE)
370	|| (bg_flags & BG_PROP_SCALE) || h_scale || v_scale
371	|| (!(bg_flags & BG_ROOT_ALIGN) && (h_align || v_align))
372	|| w > target_width || h > target_height)
373	bg_flags |= BG_IS_SIZE_SENSITIVE;
374	}
375
376	# ifdef HAVE_AFTERIMAGE
377	bool
378	rxvt_term::render_image (unsigned long tr_flags)
379	{
380	init_asv ();
381
382	ASImage *background = NULL;
383	ARGB32 background_tint = TINT_LEAVE_SAME;
384
385	# ifdef ENABLE_TRANSPARENCY
386	if (tr_flags)
387	background = pixmap2ximage (asv, bg_pixmap, 0, 0, bg_pmap_width, bg_pmap_height, AllPlanes, 100);
388
389	if (tr_flags & BG_NEEDS_TINT)
390	{	351	}
391	ShadingInfo as_shade;	352	}
392	as_shade.shading = shade;
393		353
394	rgba c (rgba::MAX_CC,rgba::MAX_CC,rgba::MAX_CC);	354	# ifdef HAVE_PIXBUF
395	if (bg_flags & BG_TINT_SET)	355	bool
396	tint.get (c);	356	rxvt_term::pixbuf_to_pixmap (GdkPixbuf *pixbuf, Pixmap pixmap, GC gc,
397	as_shade.tintColor.red = c.r;	357	int src_x, int src_y, int dst_x, int dst_y,
398	as_shade.tintColor.green = c.g;	358	unsigned int width, unsigned int height, bool argb)
399	as_shade.tintColor.blue = c.b;	359	{
		360	XImage *ximage;
		361	char *line;
		362	int width_r, width_g, width_b, width_a;
		363	int sh_r, sh_g, sh_b, sh_a;
		364	uint32_t red_mask, green_mask, blue_mask, alpha_mask;
		365	int rowstride;
		366	int channels;
		367	unsigned char *row;
400		368
401	background_tint = shading2tint32 (&as_shade);	369	if (visual->c_class != TrueColor)
		370	return false;
		371
		372	if (argb)
402	}	373	{
403		374	red_mask = 0xff << 16;
404	if ((tr_flags & BG_NEEDS_BLUR) && background != NULL)	375	green_mask = 0xff << 8;
		376	blue_mask = 0xff;
		377	alpha_mask = 0xff << 24;
405	{	378	}
406	ASImage *tmp = blur_asimage_gauss (asv, background, h_blurRadius, v_blurRadius, 0xFFFFFFFF,	379	else
407	(original_asim == NULL || tint == TINT_LEAVE_SAME) ? ASA_XImage : ASA_ASImage,	380	{
408	100, ASIMAGE_QUALITY_DEFAULT);	381	red_mask = visual->red_mask;
		382	green_mask = visual->green_mask;
		383	blue_mask = visual->blue_mask;
		384	#if XRENDER
		385	XRenderPictFormat *format = XRenderFindVisualFormat (dpy, visual);
409	if (tmp)	386	if (format)
		387	alpha_mask = (uint32_t)format->direct.alphaMask << format->direct.alpha;
		388	else
		389	#endif
		390	alpha_mask = 0;
		391	}
		392
		393	width_r = ecb_popcount32 (red_mask);
		394	width_g = ecb_popcount32 (green_mask);
		395	width_b = ecb_popcount32 (blue_mask);
		396	width_a = ecb_popcount32 (alpha_mask);
		397
		398	if (width_r > 8 || width_g > 8 || width_b > 8 || width_a > 8)
		399	return false;
		400
		401	sh_r = ecb_ctz32 (red_mask);
		402	sh_g = ecb_ctz32 (green_mask);
		403	sh_b = ecb_ctz32 (blue_mask);
		404	sh_a = ecb_ctz32 (alpha_mask);
		405
		406	if (width > 32767 || height > 32767)
		407	return false;
		408
		409	ximage = XCreateImage (dpy, visual, argb ? 32 : depth, ZPixmap, 0, 0,
		410	width, height, 32, 0);
		411	if (!ximage)
		412	return false;
		413
		414	if (height > INT_MAX / ximage->bytes_per_line
		415	|| !(ximage->data = (char *)malloc (height * ximage->bytes_per_line)))
		416	{
		417	XDestroyImage (ximage);
		418	return false;
		419	}
		420
		421	ximage->byte_order = ecb_big_endian () ? MSBFirst : LSBFirst;
		422
		423	rowstride = gdk_pixbuf_get_rowstride (pixbuf);
		424	channels = gdk_pixbuf_get_n_channels (pixbuf);
		425	row = gdk_pixbuf_get_pixels (pixbuf) + src_y * rowstride + src_x * channels;
		426	line = ximage->data;
		427
		428	rgba c (0, 0, 0);
		429
		430	if (channels == 4 && alpha_mask == 0)
		431	{
		432	pix_colors[Color_bg].get (c);
		433	c.r >>= 8;
		434	c.g >>= 8;
		435	c.b >>= 8;
		436	}
		437
		438	for (int y = 0; y < height; y++)
		439	{
		440	for (int x = 0; x < width; x++)
		441	{
		442	unsigned char *pixel = row + x * channels;
		443	uint32_t value;
		444	unsigned char r, g, b, a;
		445
		446	if (channels == 4)
410	{	447	{
411	destroy_asimage (&background);	448	a = pixel[3];
412	background = tmp;	449	r = (pixel[0] * a + c.r * (0xff - a)) / 0xff;
		450	g = (pixel[1] * a + c.g * (0xff - a)) / 0xff;
		451	b = (pixel[2] * a + c.b * (0xff - a)) / 0xff;
		452	}
		453	else
		454	{
		455	a = 0xff;
		456	r = pixel[0];
		457	g = pixel[1];
		458	b = pixel[2];
		459	}
		460
		461	value = ((r >> (8 - width_r)) << sh_r)
		462	| ((g >> (8 - width_g)) << sh_g)
		463	| ((b >> (8 - width_b)) << sh_b)
		464	| ((a >> (8 - width_a)) << sh_a);
		465
		466	if (ximage->bits_per_pixel == 32)
		467	((uint32_t *)line)[x] = value;
		468	else
		469	XPutPixel (ximage, x, y, value);
413	}	470	}
414	}
415	# endif
416		471
417	ASImage *result = 0;	472	row += rowstride;
		473	line += ximage->bytes_per_line;
		474	}
		475
		476	XPutImage (dpy, pixmap, gc, ximage, 0, 0, dst_x, dst_y, width, height);
		477	XDestroyImage (ximage);
		478	return true;
		479	}
		480
		481	bool
		482	rxvt_term::render_image (rxvt_image &image)
		483	{
		484	GdkPixbuf *pixbuf = image.pixbuf;
		485	if (!pixbuf)
		486	return false;
		487
		488	bool need_blend = bg_flags & BG_IS_VALID;
		489
		490	if (need_blend
		491	&& !(bg_flags & BG_HAS_RENDER))
		492	return false;
		493
		494	GdkPixbuf *result;
		495
		496	int image_width = gdk_pixbuf_get_width (pixbuf);
		497	int image_height = gdk_pixbuf_get_height (pixbuf);
418		498
419	int target_width = szHint.width;	499	int target_width = szHint.width;
420	int target_height = szHint.height;	500	int target_height = szHint.height;
421	int new_pmap_width = target_width;	501	int new_pmap_width = target_width;
422	int new_pmap_height = target_height;	502	int new_pmap_height = target_height;
…		…
424	int x = 0;	504	int x = 0;
425	int y = 0;	505	int y = 0;
426	int w = 0;	506	int w = 0;
427	int h = 0;	507	int h = 0;
428		508
429	if (original_asim)	509	get_image_geometry (image, w, h, x, y);
430	get_image_geometry (original_asim->width, original_asim->height, w, h, x, y);
431		510
432	if (!original_asim	511	if (!(image.flags & IM_ROOT_ALIGN)
433	|| (!(bg_flags & BG_ROOT_ALIGN)
434	&& (x >= target_width	512	&& (x >= target_width
435	|| y >= target_height	513	|| y >= target_height
436	|| (x + w <= 0)	514	|| x + w <= 0
437	|| (y + h <= 0))))	515	|| y + h <= 0))
		516	return false;
		517
		518	result = pixbuf;
		519
		520	if (w != image_width
		521	|| h != image_height)
		522	{
		523	result = gdk_pixbuf_scale_simple (pixbuf,
		524	w, h,
		525	GDK_INTERP_BILINEAR);
438	{	526	}
439	if (background)
440	{
441	new_pmap_width = background->width;
442	new_pmap_height = background->height;
443	result = background;
444		527
445	if (background_tint != TINT_LEAVE_SAME)	528	if (!result)
		529	return false;
		530
		531	bool ret = false;
		532
		533	XGCValues gcv;
		534	GC gc;
		535	Pixmap tmp_pixmap;
		536
		537	image_width = gdk_pixbuf_get_width (result);
		538	image_height = gdk_pixbuf_get_height (result);
		539
		540	if (need_blend)
		541	tmp_pixmap = XCreatePixmap (dpy, vt, new_pmap_width, new_pmap_height, 32);
		542	else
		543	{
		544	// optimise bg pixmap size when tiling, but only if there are no
		545	// other pixbufs to render. Otherwise, the bg pixmap size must
		546	// be equal to the window size.
		547	if ((image.flags & IM_TILE)
		548	&& image_vec.size () == 1)
446	{	549	{
447	ASImage *tmp = tile_asimage (asv, background, 0, 0,	550	new_pmap_width = min (image_width, target_width);
448	target_width, target_height, background_tint,	551	new_pmap_height = min (image_height, target_height);
449	ASA_XImage, 100, ASIMAGE_QUALITY_DEFAULT);
450	if (tmp)
451	result = tmp;
452	}
453	}	552	}
454	else
455	new_pmap_width = new_pmap_height = 0;
456	}
457	else
458	{
459	result = original_asim;
460		553
461	if ((w != original_asim->width)
462	|| (h != original_asim->height))
463	{
464	result = scale_asimage (asv, original_asim,
465	w, h,
466	background ? ASA_ASImage : ASA_XImage,
467	100, ASIMAGE_QUALITY_DEFAULT);
468	}
469
470	if (background == NULL)
471	{
472	if (bg_flags & BG_TILE)
473	{
474	/* if tiling - pixmap has to be sized exactly as the image,
475	but there is no need to make it bigger than the window! */
476	new_pmap_width = min (result->width, target_width);
477	new_pmap_height = min (result->height, target_height);
478
479	/* we also need to tile our image in both directions */
480	ASImage *tmp = tile_asimage (asv, result,
481	(int)result->width - x,
482	(int)result->height - y,
483	new_pmap_width,
484	new_pmap_height,
485	TINT_LEAVE_SAME, ASA_XImage,
486	100, ASIMAGE_QUALITY_DEFAULT);
487	if (tmp)
488	{
489	if (result != original_asim)
490	destroy_asimage (&result);
491
492	result = tmp;
493	}
494	}
495	}
496	else
497	{
498	/* if blending background and image - pixmap has to be sized same as target window */
499	ASImageLayer *layers = create_image_layers (2);
500
501	layers[0].im = background;
502	layers[0].clip_width = target_width;
503	layers[0].clip_height = target_height;
504	layers[0].tint = background_tint;
505	layers[1].im = result;
506
507	if (bg_flags & BG_TILE)
508	{
509	/* tile horizontally */
510	while (x > 0) x -= (int)result->width;
511	layers[1].dst_x = x;
512	layers[1].clip_width = result->width+target_width;
513	}
514	else
515	{
516	/* clip horizontally */
517	layers[1].dst_x = x;
518	layers[1].clip_width = result->width;
519	}
520
521	if (bg_flags & BG_TILE)
522	{
523	while (y > 0) y -= (int)result->height;
524	layers[1].dst_y = y;
525	layers[1].clip_height = result->height + target_height;
526	}
527	else
528	{
529	layers[1].dst_y = y;
530	layers[1].clip_height = result->height;
531	}
532
533	if (rs[Rs_blendtype])
534	{
535	layers[1].merge_scanlines = blend_scanlines_name2func (rs[Rs_blendtype]);
536	if (layers[1].merge_scanlines == NULL)
537	layers[1].merge_scanlines = alphablend_scanlines;
538	}
539
540	ASImage *tmp = merge_layers (asv, layers, 2, target_width, target_height,
541	ASA_XImage, 0, ASIMAGE_QUALITY_DEFAULT);
542
543	if (tmp)
544	{
545	if (result != original_asim)
546	destroy_asimage (&result);
547
548	result = tmp;
549	}
550
551	free (layers);
552	}
553	}
554
555	bool ret = false;
556
557	if (result)
558	{
559	XGCValues gcv;
560	GC gc;
561
562	/* create Pixmap */
563	if (bg_pixmap == None	554	if (bg_pixmap == None
564	|| bg_pmap_width != new_pmap_width	555	|| bg_pmap_width != new_pmap_width
565	|| bg_pmap_height != new_pmap_height)	556	|| bg_pmap_height != new_pmap_height)
566	{	557	{
567	if (bg_pixmap)	558	if (bg_pixmap)
568	XFreePixmap (dpy, bg_pixmap);	559	XFreePixmap (dpy, bg_pixmap);
569	bg_pixmap = XCreatePixmap (dpy, vt, new_pmap_width, new_pmap_height, depth);	560	bg_pixmap = XCreatePixmap (dpy, vt, new_pmap_width, new_pmap_height, depth);
570	bg_pmap_width = new_pmap_width;	561	bg_pmap_width = new_pmap_width;
571	bg_pmap_height = new_pmap_height;	562	bg_pmap_height = new_pmap_height;
572	}	563	}
573	/* fill with background color (if result's not completely overlapping it) */
574	gcv.foreground = pix_colors[Color_bg];
575	gc = XCreateGC (dpy, vt, GCForeground, &gcv);
576		564
577	int src_x = 0, src_y = 0, dst_x = 0, dst_y = 0;
578	int dst_width = result->width, dst_height = result->height;
579	if (background == NULL)
580	{
581	if (!(bg_flags & BG_TILE))
582	{
583	src_x = make_clip_rectangle (x, result->width , new_pmap_width , dst_x, dst_width );
584	src_y = make_clip_rectangle (y, result->height, new_pmap_height, dst_y, dst_height);
585	}
586
587	if (dst_x > 0 || dst_y > 0
588	|| dst_x + dst_width < new_pmap_width
589	|| dst_y + dst_height < new_pmap_height)
590	XFillRectangle (dpy, bg_pixmap, gc, 0, 0, new_pmap_width, new_pmap_height);
591	}
592
593	/* put result on pixmap */
594	if (dst_x < new_pmap_width && dst_y < new_pmap_height)
595	asimage2drawable (asv, bg_pixmap, result, gc, src_x, src_y, dst_x, dst_y, dst_width, dst_height, True);
596
597	if (result != background && result != original_asim)
598	destroy_asimage (&result);
599
600	XFreeGC (dpy, gc);
601
602	ret = true;
603	}
604
605	if (background)
606	destroy_asimage (&background);
607
608	return ret;
609	}
610	# endif /* HAVE_AFTERIMAGE */
611
612	# ifdef HAVE_PIXBUF
613	bool
614	rxvt_term::pixbuf_to_pixmap (GdkPixbuf *pixbuf, Pixmap pixmap, GC gc,
615	int src_x, int src_y, int dst_x, int dst_y,
616	unsigned int width, unsigned int height)
617	{
618	XImage *ximage;
619	char *data, *line;
620	int bytes_per_pixel;
621	int width_r, width_g, width_b;
622	int sh_r, sh_g, sh_b;
623	int rowstride;
624	int channels;
625	unsigned char *row;
626
627	if (visual->c_class != TrueColor)
628	return false;
629
630	if (depth == 24 || depth == 32)
631	bytes_per_pixel = 4;
632	else if (depth == 15 || depth == 16)
633	bytes_per_pixel = 2;
634	else
635	return false;
636
637	width_r = ecb_popcount32 (visual->red_mask);
638	width_g = ecb_popcount32 (visual->green_mask);
639	width_b = ecb_popcount32 (visual->blue_mask);
640
641	if (width_r > 8 || width_g > 8 || width_b > 8)
642	return false;
643
644	sh_r = ecb_ctz32 (visual->red_mask);
645	sh_g = ecb_ctz32 (visual->green_mask);
646	sh_b = ecb_ctz32 (visual->blue_mask);
647
648	if (width > INT_MAX / height / bytes_per_pixel)
649	return false;
650
651	data = (char *)malloc (width * height * bytes_per_pixel);
652	if (!data)
653	return false;
654
655	ximage = XCreateImage (dpy, visual, depth, ZPixmap, 0, data,
656	width, height, bytes_per_pixel * 8, 0);
657	if (!ximage)
658	{
659	free (data);
660	return false;
661	}
662
663	ximage->byte_order = ecb_big_endian () ? MSBFirst : LSBFirst;
664
665	rowstride = gdk_pixbuf_get_rowstride (pixbuf);
666	channels = gdk_pixbuf_get_n_channels (pixbuf);
667	row = gdk_pixbuf_get_pixels (pixbuf) + src_y * rowstride + src_x * channels;
668	line = data;
669
670	for (int y = 0; y < height; y++)
671	{
672	for (int x = 0; x < width; x++)
673	{
674	unsigned char *pixel = row + x * channels;
675	uint32_t value;
676
677	value = ((pixel[0] >> (8 - width_r)) << sh_r)
678	| ((pixel[1] >> (8 - width_g)) << sh_g)
679	| ((pixel[2] >> (8 - width_b)) << sh_b);
680
681	if (bytes_per_pixel == 4)
682	((uint32_t *)line)[x] = value;
683	else
684	((uint16_t *)line)[x] = value;
685	}
686
687	row += rowstride;
688	line += ximage->bytes_per_line;
689	}
690
691	XPutImage (dpy, pixmap, gc, ximage, 0, 0, dst_x, dst_y, width, height);
692	XDestroyImage (ximage);
693	return true;
694	}
695
696	bool
697	rxvt_term::render_image (unsigned long tr_flags)
698	{
699	if (!pixbuf)
700	return false;
701
702	if (tr_flags
703	&& !(bg_flags & BG_HAS_RENDER))
704	return false;
705
706	GdkPixbuf *result;
707
708	int image_width = gdk_pixbuf_get_width (pixbuf);
709	int image_height = gdk_pixbuf_get_height (pixbuf);
710
711	int target_width = szHint.width;
712	int target_height = szHint.height;
713	int new_pmap_width = target_width;
714	int new_pmap_height = target_height;
715
716	int x = 0;
717	int y = 0;
718	int w = 0;
719	int h = 0;
720
721	get_image_geometry (image_width, image_height, w, h, x, y);
722
723	if (!(bg_flags & BG_ROOT_ALIGN)
724	&& (x >= target_width
725	|| y >= target_height
726	|| (x + w <= 0)
727	|| (y + h <= 0)))
728	return false;
729
730	result = pixbuf;
731
732	if ((w != image_width)
733	|| (h != image_height))
734	{
735	result = gdk_pixbuf_scale_simple (pixbuf,
736	w, h,
737	GDK_INTERP_BILINEAR);
738	}
739
740	if (!result)
741	return false;
742
743	bool ret = false;
744
745	XGCValues gcv;
746	GC gc;
747	Pixmap root_pmap;
748
749	image_width = gdk_pixbuf_get_width (result);
750	image_height = gdk_pixbuf_get_height (result);
751
752	if (tr_flags)
753	{
754	root_pmap = bg_pixmap;	565	tmp_pixmap = bg_pixmap;
755	bg_pixmap = None;
756	}
757	else
758	{
759	if (bg_flags & BG_TILE)
760	{
761	new_pmap_width = min (image_width, target_width);
762	new_pmap_height = min (image_height, target_height);
763	}
764	}
765
766	if (bg_pixmap == None
767	|| bg_pmap_width != new_pmap_width
768	|| bg_pmap_height != new_pmap_height)
769	{
770	if (bg_pixmap)
771	XFreePixmap (dpy, bg_pixmap);
772	bg_pixmap = XCreatePixmap (dpy, vt, new_pmap_width, new_pmap_height, depth);
773	bg_pmap_width = new_pmap_width;
774	bg_pmap_height = new_pmap_height;
775	}	566	}
776		567
777	gcv.foreground = pix_colors[Color_bg];	568	gcv.foreground = pix_colors[Color_bg];
778	gc = XCreateGC (dpy, vt, GCForeground, &gcv);	569	gc = XCreateGC (dpy, tmp_pixmap, GCForeground, &gcv);
779		570
780	if (gc)	571	if (gc)
781	{	572	{
782	if (bg_flags & BG_TILE)	573	if (image.flags & IM_TILE)
783	{	574	{
784	Pixmap tile = XCreatePixmap (dpy, vt, image_width, image_height, depth);	575	Pixmap tile = XCreatePixmap (dpy, vt, image_width, image_height, need_blend ? 32 : depth);
785	pixbuf_to_pixmap (result, tile, gc,	576	pixbuf_to_pixmap (result, tile, gc,
786	0, 0,	577	0, 0,
787	0, 0,	578	0, 0,
788	image_width, image_height);	579	image_width, image_height, need_blend);
789		580
790	gcv.tile = tile;	581	gcv.tile = tile;
791	gcv.fill_style = FillTiled;	582	gcv.fill_style = FillTiled;
792	gcv.ts_x_origin = x;	583	gcv.ts_x_origin = x;
793	gcv.ts_y_origin = y;	584	gcv.ts_y_origin = y;
794	XChangeGC (dpy, gc, GCFillStyle | GCTile | GCTileStipXOrigin | GCTileStipYOrigin, &gcv);	585	XChangeGC (dpy, gc, GCFillStyle | GCTile | GCTileStipXOrigin | GCTileStipYOrigin, &gcv);
795		586
796	XFillRectangle (dpy, bg_pixmap, gc, 0, 0, new_pmap_width, new_pmap_height);	587	XFillRectangle (dpy, tmp_pixmap, gc, 0, 0, new_pmap_width, new_pmap_height);
797	XFreePixmap (dpy, tile);	588	XFreePixmap (dpy, tile);
798	}	589	}
799	else	590	else
800	{	591	{
801	int src_x, src_y, dst_x, dst_y;	592	int src_x, src_y, dst_x, dst_y;
…		…
805	src_y = make_clip_rectangle (y, image_height, new_pmap_height, dst_y, dst_height);	596	src_y = make_clip_rectangle (y, image_height, new_pmap_height, dst_y, dst_height);
806		597
807	if (dst_x > 0 || dst_y > 0	598	if (dst_x > 0 || dst_y > 0
808	|| dst_x + dst_width < new_pmap_width	599	|| dst_x + dst_width < new_pmap_width
809	|| dst_y + dst_height < new_pmap_height)	600	|| dst_y + dst_height < new_pmap_height)
810	XFillRectangle (dpy, bg_pixmap, gc, 0, 0, new_pmap_width, new_pmap_height);	601	XFillRectangle (dpy, tmp_pixmap, gc, 0, 0, new_pmap_width, new_pmap_height);
811		602
812	if (dst_x < new_pmap_width && dst_y < new_pmap_height)	603	if (dst_x < new_pmap_width && dst_y < new_pmap_height)
813	pixbuf_to_pixmap (result, bg_pixmap, gc,	604	pixbuf_to_pixmap (result, tmp_pixmap, gc,
814	src_x, src_y,	605	src_x, src_y,
815	dst_x, dst_y,	606	dst_x, dst_y,
816	dst_width, dst_height);	607	dst_width, dst_height, need_blend);
817	}	608	}
818		609
819	#if XRENDER	610	#if XRENDER
820	if (tr_flags)	611	if (need_blend)
821	{	612	{
822	XRenderPictureAttributes pa;	613	XRenderPictFormat *argb_format = XRenderFindStandardFormat (dpy, PictStandardARGB32);
823
824	XRenderPictFormat *src_format = XRenderFindVisualFormat (dpy, visual);	614	XRenderPictFormat *format = XRenderFindVisualFormat (dpy, visual);
		615
825	Picture src = XRenderCreatePicture (dpy, root_pmap, src_format, 0, &pa);	616	Picture src = XRenderCreatePicture (dpy, tmp_pixmap, argb_format, 0, 0);
826		617
827	XRenderPictFormat *dst_format = XRenderFindVisualFormat (dpy, visual);
828	Picture dst = XRenderCreatePicture (dpy, bg_pixmap, dst_format, 0, &pa);	618	Picture dst = XRenderCreatePicture (dpy, bg_pixmap, format, 0, 0);
829		619
830	pa.repeat = True;	620	Picture mask = create_xrender_mask (dpy, vt, False, False);
831	Pixmap mask_pmap = XCreatePixmap (dpy, vt, 1, 1, 8);
832	XRenderPictFormat *mask_format = XRenderFindStandardFormat (dpy, PictStandardA8);
833	Picture mask = XRenderCreatePicture (dpy, mask_pmap, mask_format, CPRepeat, &pa);
834	XFreePixmap (dpy, mask_pmap);
835		621
836	XRenderColor mask_c;	622	XRenderColor mask_c;
837		623
838	mask_c.alpha = 0x8000;	624	mask_c.alpha = image.alpha;
839	mask_c.red = 0;	625	mask_c.red =
840	mask_c.green = 0;	626	mask_c.green =
841	mask_c.blue = 0;	627	mask_c.blue = 0;
842	XRenderFillRectangle (dpy, PictOpSrc, mask, &mask_c, 0, 0, 1, 1);	628	XRenderFillRectangle (dpy, PictOpSrc, mask, &mask_c, 0, 0, 1, 1);
		629
843	XRenderComposite (dpy, PictOpOver, src, mask, dst, 0, 0, 0, 0, 0, 0, target_width, target_height);	630	XRenderComposite (dpy, PictOpOver, src, mask, dst, 0, 0, 0, 0, 0, 0, target_width, target_height);
844		631
845	XRenderFreePicture (dpy, src);	632	XRenderFreePicture (dpy, src);
846	XRenderFreePicture (dpy, dst);	633	XRenderFreePicture (dpy, dst);
847	XRenderFreePicture (dpy, mask);	634	XRenderFreePicture (dpy, mask);
…		…
854	}	641	}
855		642
856	if (result != pixbuf)	643	if (result != pixbuf)
857	g_object_unref (result);	644	g_object_unref (result);
858		645
859	if (tr_flags)	646	if (need_blend)
860	XFreePixmap (dpy, root_pmap);	647	XFreePixmap (dpy, tmp_pixmap);
861		648
862	return ret;	649	return ret;
863	}	650	}
864	# endif /* HAVE_PIXBUF */	651	# endif /* HAVE_PIXBUF */
865		652
		653	# ifndef NO_RESOURCES
		654	static int
		655	rxvt_define_image (XrmDatabase *database ecb_unused,
		656	XrmBindingList bindings ecb_unused,
		657	XrmQuarkList quarks,
		658	XrmRepresentation *type ecb_unused,
		659	XrmValue *value,
		660	XPointer closure ecb_unused)
		661	{
		662	int size;
		663
		664	for (size = 0; quarks[size] != NULLQUARK; size++)
		665	;
		666
		667	if (size >= 2)
		668	{
		669	int id = strtol (XrmQuarkToString (quarks[size-2]), 0, 0);
		670	if (id >= 1)
		671	GET_R->parse_image (id, XrmQuarkToString (quarks[size-1]), (char *)value->addr);
		672	}
		673	return False;
		674	}
		675
		676	void
		677	rxvt_term::parse_image (int id, const char *type, const char *arg)
		678	{
		679	if (image_vec.size () < id + 1)
		680	image_vec.resize (id + 1);
		681
		682	rxvt_image *image = &image_vec[id];
		683	}
		684	# endif
		685
		686	rxvt_image::rxvt_image ()
		687	{
		688	alpha =
		689	flags =
		690	h_scale =
		691	v_scale =
		692	h_align =
		693	v_align = 0;
		694
		695	# ifdef HAVE_PIXBUF
		696	pixbuf = 0;
		697	# endif
		698	}
		699
866	bool	700	bool
867	rxvt_term::bg_set_file (const char *file)	701	rxvt_image::set_file_geometry (const char *file)
868	{	702	{
869	if (!file || !*file)	703	if (!file || !*file)
870	return false;	704	return false;
871		705
872	if (const char *p = strchr (file, ';'))	706	const char *p = strchr (file, ';');
		707
		708	if (p)
873	{	709	{
874	size_t len = p - file;	710	size_t len = p - file;
875	char *f = rxvt_temp_buf<char> (len + 1);	711	char *f = rxvt_temp_buf<char> (len + 1);
876	memcpy (f, file, len);	712	memcpy (f, file, len);
877	f[len] = '\0';	713	f[len] = '\0';
878	file = f;	714	file = f;
879	}	715	}
880		716
881	# ifdef HAVE_AFTERIMAGE	717	bool ret = set_file (file);
882	if (!asimman)	718	alpha = 0x8000;
883	asimman = create_generic_imageman (rs[Rs_path]);	719	if (ret && p)
884	ASImage *image = get_asimage (asimman, file, 0xFFFFFFFF, 100);	720	set_geometry (p + 1);
885	if (image)	721	return ret;
886	{	722	}
887	if (original_asim)	723
888	safe_asimage_destroy (original_asim);	724	bool
889	original_asim = image;	725	rxvt_image::set_file (const char *file)
890	bg_flags |= BG_IS_FROM_FILE | BG_CLIENT_RENDER;	726	{
891	return true;	727	bool ret = false;
892	}
893	# endif
894		728
895	# ifdef HAVE_PIXBUF	729	# ifdef HAVE_PIXBUF
896	GdkPixbuf *image = gdk_pixbuf_new_from_file (file, NULL);	730	GdkPixbuf *image = gdk_pixbuf_new_from_file (file, NULL);
897	if (image)	731	if (image)
898	{	732	{
899	if (pixbuf)	733	if (pixbuf)
900	g_object_unref (pixbuf);	734	g_object_unref (pixbuf);
901	pixbuf = image;	735	pixbuf = image;
902	bg_flags |= BG_IS_FROM_FILE;
903	return true;	736	ret = true;
904	}	737	}
905	# endif	738	# endif
906		739
		740	if (ret)
		741	{
		742	alpha = 0xffff;
		743	flags = IM_IS_SET | IM_IS_SIZE_SENSITIVE;
		744	h_scale = v_scale = defaultScale;
		745	h_align = v_align = defaultAlign;
		746	}
		747
907	return false;	748	return ret;
908	}	749	}
909		750
910	# endif /* BG_IMAGE_FROM_FILE */	751	# endif /* BG_IMAGE_FROM_FILE */
911		752
912	# ifdef ENABLE_TRANSPARENCY	753	# ifdef ENABLE_TRANSPARENCY
913	bool
914	rxvt_term::bg_set_transparent ()
915	{
916	if (!(bg_flags & BG_IS_TRANSPARENT))
917	{
918	bg_flags |= BG_IS_TRANSPARENT;
919	return true;
920	}
921
922	return false;
923	}
924
925	bool	754	bool
926	rxvt_term::bg_set_blur (const char *geom)	755	rxvt_term::bg_set_blur (const char *geom)
927	{	756	{
928	bool changed = false;	757	bool changed = false;
929	unsigned int hr, vr;	758	unsigned int hr, vr;
…		…
948	{	777	{
949	changed = true;	778	changed = true;
950	v_blurRadius = vr;	779	v_blurRadius = vr;
951	}	780	}
952		781
953	if (v_blurRadius == 0 && h_blurRadius == 0)
954	bg_flags &= ~BG_NEEDS_BLUR;
955	else
956	bg_flags |= BG_NEEDS_BLUR;
957
958	return changed;	782	return changed;
959	}	783	}
960		784
961	void	785	bool
962	rxvt_term::set_tint_shade_flags ()	786	rxvt_term::bg_set_tint (rxvt_color &new_tint)
963	{	787	{
964	rgba c (rgba::MAX_CC,rgba::MAX_CC,rgba::MAX_CC);	788	if (!(bg_flags & BG_TINT_SET) || tint != new_tint)
965	bool has_shade = shade != 100;	789	{
966		790	tint = new_tint;
967	bg_flags &= ~BG_TINT_FLAGS;	791	bg_flags |= BG_TINT_SET;
968		792
969	if (bg_flags & BG_TINT_SET)	793	rgba c;
970	{
971	tint.get (c);	794	tint.get (c);
972	if (!has_shade
973	&& (c.r <= 0x00ff || c.r >= 0xff00)	795	if ((c.r <= 0x00ff || c.r >= 0xff00)
974	&& (c.g <= 0x00ff || c.g >= 0xff00)	796	&& (c.g <= 0x00ff || c.g >= 0xff00)
975	&& (c.b <= 0x00ff || c.b >= 0xff00))	797	&& (c.b <= 0x00ff || c.b >= 0xff00))
976	bg_flags |= BG_TINT_BITAND;	798	bg_flags |= BG_TINT_BITAND;
977	}	799	else
978
979	if (has_shade || (bg_flags & BG_TINT_SET))
980	bg_flags |= BG_NEEDS_TINT;
981	}
982
983	bool
984	rxvt_term::bg_set_tint (rxvt_color &new_tint)
985	{
986	if (!(bg_flags & BG_TINT_SET) || tint != new_tint)
987	{
988	tint = new_tint;
989	bg_flags |= BG_TINT_SET;	800	bg_flags &= ~BG_TINT_BITAND;
990	set_tint_shade_flags ();	801
991	return true;	802	return true;
992	}	803	}
993		804
994	return false;	805	return false;
995	}	806	}
996		807
997	bool	808	bool
998	rxvt_term::bg_set_shade (const char *shade_str)	809	rxvt_term::bg_set_shade (const char *shade_str)
999	{	810	{
1000	int new_shade = (shade_str) ? atoi (shade_str) : 100;	811	int new_shade = atoi (shade_str);
1001		812
1002	clamp_it (new_shade, -100, 200);	813	clamp_it (new_shade, -100, 200);
1003	if (new_shade < 0)	814	if (new_shade < 0)
1004	new_shade = 200 - (100 + new_shade);	815	new_shade = 200 - (100 + new_shade);
1005		816
1006	if (new_shade != shade)	817	if (new_shade != shade)
1007	{	818	{
1008	shade = new_shade;	819	shade = new_shade;
1009	set_tint_shade_flags ();
1010	return true;	820	return true;
1011	}	821	}
1012		822
1013	return false;	823	return false;
1014	}	824	}
…		…
1035	params[i+2] = XDoubleToFixed (kernel[i] / sum);	845	params[i+2] = XDoubleToFixed (kernel[i] / sum);
1036	}	846	}
1037	#endif	847	#endif
1038		848
1039	bool	849	bool
1040	rxvt_term::blur_pixmap (Pixmap pixmap, Visual *visual, int width, int height)	850	rxvt_term::blur_pixmap (Pixmap pixmap, int width, int height)
1041	{	851	{
1042	bool ret = false;	852	bool ret = false;
1043	#if XRENDER	853	#if XRENDER
		854	if (!(bg_flags & BG_HAS_RENDER_CONV))
		855	return false;
		856
1044	int size = max (h_blurRadius, v_blurRadius) * 2 + 1;	857	int size = max (h_blurRadius, v_blurRadius) * 2 + 1;
1045	double *kernel = (double *)malloc (size * sizeof (double));	858	double *kernel = (double *)malloc (size * sizeof (double));
1046	XFixed *params = (XFixed *)malloc ((size + 2) * sizeof (XFixed));	859	XFixed *params = (XFixed *)malloc ((size + 2) * sizeof (XFixed));
1047		860
1048	XRenderPictureAttributes pa;	861	XRenderPictureAttributes pa;
1049	XRenderPictFormat *format = XRenderFindVisualFormat (dpy, visual);	862	XRenderPictFormat *format = XRenderFindVisualFormat (dpy, visual);
1050		863
		864	pa.repeat = RepeatPad;
1051	Picture src = XRenderCreatePicture (dpy, pixmap, format, 0, &pa);	865	Picture src = XRenderCreatePicture (dpy, pixmap, format, CPRepeat, &pa);
		866	Pixmap tmp = XCreatePixmap (dpy, pixmap, width, height, depth);
1052	Picture dst = XRenderCreatePicture (dpy, pixmap, format, 0, &pa);	867	Picture dst = XRenderCreatePicture (dpy, tmp, format, CPRepeat, &pa);
		868	XFreePixmap (dpy, tmp);
1053		869
1054	if (kernel && params)	870	if (kernel && params)
1055	{	871	{
1056	if (h_blurRadius)
1057	{
1058	size = h_blurRadius * 2 + 1;	872	size = h_blurRadius * 2 + 1;
1059	get_gaussian_kernel (h_blurRadius, size, kernel, params);	873	get_gaussian_kernel (h_blurRadius, size, kernel, params);
1060		874
1061	XRenderSetPictureFilter (dpy, src, FilterConvolution, params, size+2);	875	XRenderSetPictureFilter (dpy, src, FilterConvolution, params, size+2);
1062	XRenderComposite (dpy,	876	XRenderComposite (dpy,
1063	PictOpSrc,	877	PictOpSrc,
1064	src,	878	src,
1065	None,	879	None,
1066	dst,	880	dst,
1067	0, 0,	881	0, 0,
1068	0, 0,	882	0, 0,
1069	0, 0,	883	0, 0,
1070	width, height);	884	width, height);
1071	}
1072		885
1073	if (v_blurRadius)	886	::swap (src, dst);
1074	{	887
1075	size = v_blurRadius * 2 + 1;	888	size = v_blurRadius * 2 + 1;
1076	get_gaussian_kernel (v_blurRadius, size, kernel, params);	889	get_gaussian_kernel (v_blurRadius, size, kernel, params);
1077	::swap (params[0], params[1]);	890	::swap (params[0], params[1]);
1078		891
1079	XRenderSetPictureFilter (dpy, src, FilterConvolution, params, size+2);	892	XRenderSetPictureFilter (dpy, src, FilterConvolution, params, size+2);
1080	XRenderComposite (dpy,	893	XRenderComposite (dpy,
1081	PictOpSrc,	894	PictOpSrc,
1082	src,	895	src,
1083	None,	896	None,
1084	dst,	897	dst,
1085	0, 0,	898	0, 0,
1086	0, 0,	899	0, 0,
1087	0, 0,	900	0, 0,
1088	width, height);	901	width, height);
1089	}
1090		902
1091	ret = true;	903	ret = true;
1092	}	904	}
1093		905
1094	free (kernel);	906	free (kernel);
…		…
1098	#endif	910	#endif
1099	return ret;	911	return ret;
1100	}	912	}
1101		913
1102	bool	914	bool
1103	rxvt_term::tint_pixmap (Pixmap pixmap, Visual *visual, int width, int height)	915	rxvt_term::tint_pixmap (Pixmap pixmap, int width, int height)
1104	{	916	{
1105	bool ret = false;	917	bool ret = false;
1106		918
1107	if (bg_flags & BG_TINT_BITAND)	919	if (shade == 100 && (bg_flags & BG_TINT_BITAND))
1108	{	920	{
1109	XGCValues gcv;	921	XGCValues gcv;
1110	GC gc;	922	GC gc;
1111		923
1112	/* In this case we can tint image server-side getting significant	924	/* In this case we can tint image server-side getting significant
…		…
1121	XFillRectangle (dpy, pixmap, gc, 0, 0, width, height);	933	XFillRectangle (dpy, pixmap, gc, 0, 0, width, height);
1122	ret = true;	934	ret = true;
1123	XFreeGC (dpy, gc);	935	XFreeGC (dpy, gc);
1124	}	936	}
1125	}	937	}
1126	else
1127	{
1128	# if XRENDER	938	# if XRENDER
		939	else if (bg_flags & BG_HAS_RENDER)
		940	{
1129	rgba c (rgba::MAX_CC, rgba::MAX_CC, rgba::MAX_CC);	941	rgba c (rgba::MAX_CC, rgba::MAX_CC, rgba::MAX_CC);
1130		942
1131	if (bg_flags & BG_TINT_SET)	943	if (bg_flags & BG_TINT_SET)
1132	tint.get (c);	944	tint.get (c);
1133		945
…		…
1142	c.r = c.r * (200 - shade) / 100;	954	c.r = c.r * (200 - shade) / 100;
1143	c.g = c.g * (200 - shade) / 100;	955	c.g = c.g * (200 - shade) / 100;
1144	c.b = c.b * (200 - shade) / 100;	956	c.b = c.b * (200 - shade) / 100;
1145	}	957	}
1146		958
1147	XRenderPictFormat *solid_format = XRenderFindStandardFormat (dpy, PictStandardARGB32);
1148	XRenderPictFormat *format = XRenderFindVisualFormat (dpy, visual);	959	XRenderPictFormat *format = XRenderFindVisualFormat (dpy, visual);
1149	XRenderPictureAttributes pa;
1150		960
1151	Picture back_pic = XRenderCreatePicture (dpy, pixmap, format, 0, &pa);	961	Picture back_pic = XRenderCreatePicture (dpy, pixmap, format, 0, 0);
1152		962
1153	pa.repeat = True;	963	Picture overlay_pic = create_xrender_mask (dpy, pixmap, True, False);
1154		964
1155	Pixmap overlay_pmap = XCreatePixmap (dpy, pixmap, 1, 1, 32);	965	Picture mask_pic = create_xrender_mask (dpy, pixmap, True, True);
1156	Picture overlay_pic = XRenderCreatePicture (dpy, overlay_pmap, solid_format, CPRepeat, &pa);
1157	XFreePixmap (dpy, overlay_pmap);
1158
1159	pa.component_alpha = True;
1160	Pixmap mask_pmap = XCreatePixmap (dpy, pixmap, 1, 1, 32);
1161	Picture mask_pic = XRenderCreatePicture (dpy, mask_pmap, solid_format, CPRepeat | CPComponentAlpha, &pa);
1162	XFreePixmap (dpy, mask_pmap);
1163		966
1164	XRenderColor mask_c;	967	XRenderColor mask_c;
1165		968
1166	mask_c.alpha = 0xffff;	969	mask_c.alpha = 0xffff;
1167	mask_c.red =	970	mask_c.red =
…		…
1172	mask_c.alpha = 0;	975	mask_c.alpha = 0;
1173	mask_c.red = 0xffff - c.r;	976	mask_c.red = 0xffff - c.r;
1174	mask_c.green = 0xffff - c.g;	977	mask_c.green = 0xffff - c.g;
1175	mask_c.blue = 0xffff - c.b;	978	mask_c.blue = 0xffff - c.b;
1176	XRenderFillRectangle (dpy, PictOpSrc, mask_pic, &mask_c, 0, 0, 1, 1);	979	XRenderFillRectangle (dpy, PictOpSrc, mask_pic, &mask_c, 0, 0, 1, 1);
		980
1177	XRenderComposite (dpy, PictOpOver, overlay_pic, mask_pic, back_pic, 0, 0, 0, 0, 0, 0, width, height);	981	XRenderComposite (dpy, PictOpOver, overlay_pic, mask_pic, back_pic, 0, 0, 0, 0, 0, 0, width, height);
1178		982
1179	if (shade > 100)	983	if (shade > 100)
1180	{	984	{
1181	mask_c.red = mask_c.green = mask_c.blue = 0xffff * (shade - 100) / 100;
1182	mask_c.alpha = 0;	985	mask_c.alpha = 0;
		986	mask_c.red =
		987	mask_c.green =
		988	mask_c.blue = 0xffff * (shade - 100) / 100;
1183	XRenderFillRectangle (dpy, PictOpSrc, overlay_pic, &mask_c, 0, 0, 1, 1);	989	XRenderFillRectangle (dpy, PictOpSrc, overlay_pic, &mask_c, 0, 0, 1, 1);
1184		990
1185	XRenderComposite (dpy, PictOpOver, overlay_pic, None, back_pic, 0, 0, 0, 0, 0, 0, width, height);	991	XRenderComposite (dpy, PictOpOver, overlay_pic, None, back_pic, 0, 0, 0, 0, 0, 0, width, height);
1186	}	992	}
1187		993
1188	ret = true;	994	ret = true;
1189		995
1190	XRenderFreePicture (dpy, mask_pic);	996	XRenderFreePicture (dpy, mask_pic);
1191	XRenderFreePicture (dpy, overlay_pic);	997	XRenderFreePicture (dpy, overlay_pic);
1192	XRenderFreePicture (dpy, back_pic);	998	XRenderFreePicture (dpy, back_pic);
		999	}
1193	# endif	1000	# endif
1194	}
1195		1001
1196	return ret;	1002	return ret;
1197	}	1003	}
1198		1004
1199	/*	1005	/*
1200	* Builds a pixmap of the same size as the terminal window that contains	1006	* Builds a pixmap of the same size as the terminal window that contains
1201	* the tiled portion of the root pixmap that is supposed to be covered by	1007	* the tiled portion of the root pixmap that is supposed to be covered by
1202	* our window.	1008	* our window.
1203	*/	1009	*/
1204	unsigned long	1010	bool
1205	rxvt_term::make_transparency_pixmap ()	1011	rxvt_term::make_transparency_pixmap ()
1206	{	1012	{
1207	unsigned long result = 0;	1013	bool ret = false;
1208		1014
1209	/* root dimensions may change from call to call - but Display structure should	1015	/* root dimensions may change from call to call - but Display structure should
1210	* be always up-to-date, so let's use it :	1016	* be always up-to-date, so let's use it :
1211	*/	1017	*/
1212	int screen = display->screen;	1018	int screen = display->screen;
…		…
1250	#if XRENDER	1056	#if XRENDER
1251	if (bg_flags & BG_HAS_RENDER)	1057	if (bg_flags & BG_HAS_RENDER)
1252	{	1058	{
1253	recoded_root_pmap = XCreatePixmap (dpy, vt, root_pmap_width, root_pmap_height, depth);	1059	recoded_root_pmap = XCreatePixmap (dpy, vt, root_pmap_width, root_pmap_height, depth);
1254		1060
1255	XRenderPictureAttributes pa;
1256
1257	XRenderPictFormat *src_format = XRenderFindVisualFormat (dpy, DefaultVisual (dpy, screen));	1061	XRenderPictFormat *src_format = XRenderFindVisualFormat (dpy, DefaultVisual (dpy, screen));
1258	Picture src = XRenderCreatePicture (dpy, root_pixmap, src_format, 0, &pa);	1062	Picture src = XRenderCreatePicture (dpy, root_pixmap, src_format, 0, 0);
1259		1063
1260	XRenderPictFormat *dst_format = XRenderFindVisualFormat (dpy, visual);	1064	XRenderPictFormat *dst_format = XRenderFindVisualFormat (dpy, visual);
1261	Picture dst = XRenderCreatePicture (dpy, recoded_root_pmap, dst_format, 0, &pa);	1065	Picture dst = XRenderCreatePicture (dpy, recoded_root_pmap, dst_format, 0, 0);
1262		1066
1263	XRenderComposite (dpy, PictOpSrc, src, None, dst, 0, 0, 0, 0, 0, 0, root_pmap_width, root_pmap_height);	1067	XRenderComposite (dpy, PictOpSrc, src, None, dst, 0, 0, 0, 0, 0, 0, root_pmap_width, root_pmap_height);
1264		1068
1265	XRenderFreePicture (dpy, src);	1069	XRenderFreePicture (dpy, src);
1266	XRenderFreePicture (dpy, dst);	1070	XRenderFreePicture (dpy, dst);
…		…
1283	bg_pmap_width = window_width;	1087	bg_pmap_width = window_width;
1284	bg_pmap_height = window_height;	1088	bg_pmap_height = window_height;
1285	}	1089	}
1286		1090
1287	/* straightforward pixmap copy */	1091	/* straightforward pixmap copy */
1288	while (sx < 0) sx += root_width;	1092	while (sx < 0) sx += root_pmap_width;
1289	while (sy < 0) sy += root_height;	1093	while (sy < 0) sy += root_pmap_height;
1290		1094
1291	gcv.tile = recoded_root_pmap;	1095	gcv.tile = recoded_root_pmap;
1292	gcv.fill_style = FillTiled;	1096	gcv.fill_style = FillTiled;
1293	gcv.ts_x_origin = -sx;	1097	gcv.ts_x_origin = -sx;
1294	gcv.ts_y_origin = -sy;	1098	gcv.ts_y_origin = -sy;
1295	gc = XCreateGC (dpy, vt, GCFillStyle | GCTile | GCTileStipXOrigin | GCTileStipYOrigin, &gcv);	1099	gc = XCreateGC (dpy, vt, GCFillStyle | GCTile | GCTileStipXOrigin | GCTileStipYOrigin, &gcv);
1296		1100
1297	if (gc)	1101	if (gc)
1298	{	1102	{
1299	XFillRectangle (dpy, bg_pixmap, gc, 0, 0, window_width, window_height);	1103	XFillRectangle (dpy, bg_pixmap, gc, 0, 0, window_width, window_height);
1300	result |= BG_IS_VALID | (bg_flags & BG_EFFECTS_FLAGS);	1104	ret = true;
1301	XFreeGC (dpy, gc);	1105	bool need_blur = h_blurRadius && v_blurRadius;
		1106	bool need_tint = shade != 100 || (bg_flags & BG_TINT_SET);
1302		1107
1303	if (!(bg_flags & BG_CLIENT_RENDER))	1108	if (!(bg_flags & BG_CLIENT_RENDER))
1304	{	1109	{
1305	if ((bg_flags & BG_NEEDS_BLUR)	1110	if (need_blur)
1306	&& (bg_flags & BG_HAS_RENDER_CONV))
1307	{	1111	{
1308	if (blur_pixmap (bg_pixmap, visual, window_width, window_height))	1112	if (blur_pixmap (bg_pixmap, window_width, window_height))
1309	result &= ~BG_NEEDS_BLUR;	1113	need_blur = false;
1310	}	1114	}
1311	if ((bg_flags & BG_NEEDS_TINT)	1115	if (need_tint)
1312	&& (bg_flags & (BG_TINT_BITAND | BG_HAS_RENDER)))
1313	{	1116	{
1314	if (tint_pixmap (bg_pixmap, visual, window_width, window_height))	1117	if (tint_pixmap (bg_pixmap, window_width, window_height))
1315	result &= ~BG_NEEDS_TINT;	1118	need_tint = false;
		1119	}
		1120	if (need_tint)
		1121	{
		1122	XImage *ximage = XGetImage (dpy, bg_pixmap, 0, 0, bg_pmap_width, bg_pmap_height, AllPlanes, ZPixmap);
		1123	if (ximage)
		1124	{
		1125	/* our own client-side tinting */
		1126	tint_ximage (ximage);
		1127
		1128	XPutImage (dpy, bg_pixmap, gc, ximage, 0, 0, 0, 0, ximage->width, ximage->height);
		1129	XDestroyImage (ximage);
		1130	}
1316	}	1131	}
1317	} /* server side rendering completed */	1132	} /* server side rendering completed */
		1133
		1134	XFreeGC (dpy, gc);
1318	}	1135	}
1319		1136
1320	if (recoded_root_pmap != root_pixmap)	1137	if (recoded_root_pmap != root_pixmap)
1321	XFreePixmap (dpy, recoded_root_pmap);	1138	XFreePixmap (dpy, recoded_root_pmap);
1322		1139
1323	return result;	1140	return ret;
1324	}	1141	}
1325		1142
1326	void	1143	void
1327	rxvt_term::bg_set_root_pixmap ()	1144	rxvt_term::bg_set_root_pixmap ()
1328	{	1145	{
…		…
1332		1149
1333	root_pixmap = new_root_pixmap;	1150	root_pixmap = new_root_pixmap;
1334	}	1151	}
1335	# endif /* ENABLE_TRANSPARENCY */	1152	# endif /* ENABLE_TRANSPARENCY */
1336		1153
1337	#if defined(ENABLE_TRANSPARENCY) && !defined(HAVE_AFTERIMAGE)
1338	static void shade_ximage (Visual *visual, XImage *ximage, int shade, const rgba &c);
1339	# endif
1340
1341	bool	1154	bool
1342	rxvt_term::bg_render ()	1155	rxvt_term::bg_render ()
1343	{	1156	{
1344	unsigned long tr_flags = 0;
1345
1346	bg_invalidate ();	1157	bg_invalidate ();
1347	# ifdef ENABLE_TRANSPARENCY	1158	# ifdef ENABLE_TRANSPARENCY
1348	if (bg_flags & BG_IS_TRANSPARENT)	1159	if (bg_flags & BG_IS_TRANSPARENT)
1349	{	1160	{
1350	/* we need to re-generate transparency pixmap in that case ! */	1161	/* we need to re-generate transparency pixmap in that case ! */
1351	tr_flags = make_transparency_pixmap ();	1162	if (make_transparency_pixmap ())
1352	if (tr_flags == 0)
1353	return false;
1354	else if (!(tr_flags & BG_EFFECTS_FLAGS))
1355	bg_flags |= BG_IS_VALID;	1163	bg_flags |= BG_IS_VALID;
1356	}	1164	}
1357	# endif	1165	# endif
1358		1166
1359	# ifdef BG_IMAGE_FROM_FILE	1167	# ifdef BG_IMAGE_FROM_FILE
1360	if ((bg_flags & BG_IS_FROM_FILE)	1168	for (vector<rxvt_image>::iterator bg_image = image_vec.begin (); bg_image < image_vec.end (); bg_image++)
1361	|| (tr_flags & BG_EFFECTS_FLAGS))
1362	{	1169	{
1363	if (render_image (tr_flags))	1170	if (render_image (*bg_image))
1364	bg_flags |= BG_IS_VALID;	1171	bg_flags |= BG_IS_VALID;
1365	}
1366	# endif
1367
1368	# if defined(ENABLE_TRANSPARENCY) && !defined(HAVE_AFTERIMAGE)
1369	XImage *result = NULL;
1370
1371	if (tr_flags && !(bg_flags & BG_IS_VALID))
1372	{
1373	result = XGetImage (dpy, bg_pixmap, 0, 0, bg_pmap_width, bg_pmap_height, AllPlanes, ZPixmap);
1374	}
1375
1376	if (result)
1377	{
1378	/* our own client-side tinting */
1379	if (tr_flags & BG_NEEDS_TINT)
1380	{
1381	rgba c (rgba::MAX_CC,rgba::MAX_CC,rgba::MAX_CC);
1382	if (bg_flags & BG_TINT_SET)
1383	tint.get (c);
1384	shade_ximage (DefaultVisual (dpy, display->screen), result, shade, c);
1385	}
1386
1387	GC gc = XCreateGC (dpy, vt, 0UL, NULL);
1388
1389	if (gc)
1390	{
1391	XPutImage (dpy, bg_pixmap, gc, result, 0, 0, 0, 0, result->width, result->height);
1392
1393	XFreeGC (dpy, gc);
1394	bg_flags |= BG_IS_VALID;
1395	}
1396
1397	XDestroyImage (result);
1398	}	1172	}
1399	# endif	1173	# endif
1400		1174
1401	if (!(bg_flags & BG_IS_VALID))	1175	if (!(bg_flags & BG_IS_VALID))
1402	{	1176	{
…		…
1435	bg_flags |= BG_HAS_RENDER_CONV;	1209	bg_flags |= BG_HAS_RENDER_CONV;
1436		1210
1437	XFree (filters);	1211	XFree (filters);
1438	}	1212	}
1439	#endif	1213	#endif
		1214
		1215	#ifdef BG_IMAGE_FROM_FILE
		1216	if (rs[Rs_backgroundPixmap])
		1217	{
		1218	rxvt_image *image = new_image ();
		1219	if (!image->set_file_geometry (rs[Rs_backgroundPixmap]))
		1220	image_vec.pop_back ();
		1221	}
		1222
		1223	# ifndef NO_RESOURCES
		1224	find_resources ("image", "Image", XrmEnumAllLevels, rxvt_define_image);
		1225	vector<rxvt_image>::iterator bg_image = image_vec.begin ();
		1226	while (bg_image != image_vec.end ())
		1227	{
		1228	if (!(bg_image->flags & IM_IS_SET))
		1229	bg_image = image_vec.erase (bg_image);
		1230	else
		1231	bg_image++;
		1232	}
		1233	# endif
		1234
		1235	if (image_vec.size () > 0
		1236	&& !bg_window_position_sensitive ())
		1237	update_background ();
		1238	#endif
1440	}	1239	}
1441		1240
1442	#endif /* HAVE_BG_PIXMAP */	1241	#endif /* HAVE_BG_PIXMAP */
1443		1242
1444	#if defined(ENABLE_TRANSPARENCY) && !defined(HAVE_AFTERIMAGE)	1243	#ifdef ENABLE_TRANSPARENCY
1445	/* taken from aterm-0.4.2 */	1244	/* based on code from aterm-0.4.2 */
1446		1245
1447	static void	1246	static inline void
1448	shade_ximage (Visual *visual, XImage *ximage, int shade, const rgba &c)	1247	fill_lut (uint32_t *lookup, uint32_t mask, int sh, unsigned short low, unsigned short high)
1449	{	1248	{
		1249	for (int i = 0; i <= mask >> sh; i++)
		1250	{
		1251	uint32_t tmp;
		1252	tmp = i * high;
		1253	tmp += (mask >> sh) * low;
		1254	lookup[i] = (tmp / 0xffff) << sh;
		1255	}
		1256	}
		1257
		1258	void
		1259	rxvt_term::tint_ximage (XImage *ximage)
		1260	{
		1261	unsigned int size_r, size_g, size_b;
1450	int sh_r, sh_g, sh_b;	1262	int sh_r, sh_g, sh_b;
1451	uint32_t mask_r, mask_g, mask_b;	1263	uint32_t mask_r, mask_g, mask_b;
1452	uint32_t *lookup, *lookup_r, *lookup_g, *lookup_b;	1264	uint32_t *lookup, *lookup_r, *lookup_g, *lookup_b;
1453	rgba low;	1265	unsigned short low;
1454	rgba high;
1455	int i;
1456	int host_byte_order = ecb_big_endian () ? MSBFirst : LSBFirst;	1266	int host_byte_order = ecb_big_endian () ? MSBFirst : LSBFirst;
1457		1267
1458	if (visual->c_class != TrueColor || ximage->format != ZPixmap) return;	1268	if (visual->c_class != TrueColor || ximage->format != ZPixmap) return;
1459		1269
1460	/* for convenience */	1270	/* for convenience */
1461	mask_r = visual->red_mask;	1271	mask_r = visual->red_mask;
1462	mask_g = visual->green_mask;	1272	mask_g = visual->green_mask;
1463	mask_b = visual->blue_mask;	1273	mask_b = visual->blue_mask;
1464		1274
1465	/* boring lookup table pre-initialization */	1275	/* boring lookup table pre-initialization */
1466	switch (ximage->depth)	1276	sh_r = ecb_ctz32 (mask_r);
1467	{	1277	sh_g = ecb_ctz32 (mask_g);
1468	case 15:	1278	sh_b = ecb_ctz32 (mask_b);
1469	if ((mask_r != 0x7c00) ||	1279
1470	(mask_g != 0x03e0) ||	1280	size_r = mask_r >> sh_r;
1471	(mask_b != 0x001f))	1281	size_g = mask_g >> sh_g;
		1282	size_b = mask_b >> sh_b;
		1283
		1284	if (size_r++ > 255 || size_g++ > 255 || size_b++ > 255)
1472	return;	1285	return;
1473	lookup = (uint32_t *) malloc (sizeof (uint32_t)*(32+32+32));	1286
		1287	lookup = (uint32_t *)malloc (sizeof (uint32_t) * (size_r + size_g + size_b));
1474	lookup_r = lookup;	1288	lookup_r = lookup;
1475	lookup_g = lookup+32;	1289	lookup_g = lookup + size_r;
1476	lookup_b = lookup+32+32;	1290	lookup_b = lookup + size_r + size_g;
1477	sh_r = 10;	1291
1478	sh_g = 5;	1292	rgba c (rgba::MAX_CC, rgba::MAX_CC, rgba::MAX_CC);
1479	sh_b = 0;	1293
1480	break;	1294	if (bg_flags & BG_TINT_SET)
1481	case 16:	1295	tint.get (c);
1482	if ((mask_r != 0xf800) ||
1483	(mask_g != 0x07e0) ||
1484	(mask_b != 0x001f))
1485	return;
1486	lookup = (uint32_t *) malloc (sizeof (uint32_t)*(32+64+32));
1487	lookup_r = lookup;
1488	lookup_g = lookup+32;
1489	lookup_b = lookup+32+64;
1490	sh_r = 11;
1491	sh_g = 5;
1492	sh_b = 0;
1493	break;
1494	case 24:
1495	if ((mask_r != 0xff0000) ||
1496	(mask_g != 0x00ff00) ||
1497	(mask_b != 0x0000ff))
1498	return;
1499	lookup = (uint32_t *) malloc (sizeof (uint32_t)*(256+256+256));
1500	lookup_r = lookup;
1501	lookup_g = lookup+256;
1502	lookup_b = lookup+256+256;
1503	sh_r = 16;
1504	sh_g = 8;
1505	sh_b = 0;
1506	break;
1507	case 32:
1508	if ((mask_r != 0xff0000) ||
1509	(mask_g != 0x00ff00) ||
1510	(mask_b != 0x0000ff))
1511	return;
1512	lookup = (uint32_t *) malloc (sizeof (uint32_t)*(256+256+256));
1513	lookup_r = lookup;
1514	lookup_g = lookup+256;
1515	lookup_b = lookup+256+256;
1516	sh_r = 16;
1517	sh_g = 8;
1518	sh_b = 0;
1519	break;
1520	default:
1521	return; /* we do not support this color depth */
1522	}
1523		1296
1524	/* prepare limits for color transformation (each channel is handled separately) */	1297	/* prepare limits for color transformation (each channel is handled separately) */
1525	if (shade > 100)	1298	if (shade > 100)
1526	{	1299	{
1527	shade = 200 - shade;
1528
1529	high.r = c.r * shade / 100;
1530	high.g = c.g * shade / 100;
1531	high.b = c.b * shade / 100;
1532
1533	low.r = 65535 * (100 - shade) / 100;	1300	c.r = c.r * (200 - shade) / 100;
1534	low.g = 65535 * (100 - shade) / 100;	1301	c.g = c.g * (200 - shade) / 100;
1535	low.b = 65535 * (100 - shade) / 100;	1302	c.b = c.b * (200 - shade) / 100;
		1303
		1304	low = 0xffff * (shade - 100) / 100;
1536	}	1305	}
1537	else	1306	else
1538	{	1307	{
1539	high.r = c.r * shade / 100;	1308	c.r = c.r * shade / 100;
1540	high.g = c.g * shade / 100;	1309	c.g = c.g * shade / 100;
1541	high.b = c.b * shade / 100;	1310	c.b = c.b * shade / 100;
1542		1311
1543	low.r = low.g = low.b = 0;	1312	low = 0;
1544	}	1313	}
1545		1314
1546	/* fill our lookup tables */	1315	/* fill our lookup tables */
1547	for (i = 0; i <= mask_r>>sh_r; i++)	1316	fill_lut (lookup_r, mask_r, sh_r, low, c.r);
1548	{	1317	fill_lut (lookup_g, mask_g, sh_g, low, c.g);
1549	uint32_t tmp;	1318	fill_lut (lookup_b, mask_b, sh_b, low, c.b);
1550	tmp = i * high.r;
1551	tmp += (mask_r>>sh_r) * low.r;
1552	lookup_r[i] = (tmp/65535)<<sh_r;
1553	}
1554	for (i = 0; i <= mask_g>>sh_g; i++)
1555	{
1556	uint32_t tmp;
1557	tmp = i * high.g;
1558	tmp += (mask_g>>sh_g) * low.g;
1559	lookup_g[i] = (tmp/65535)<<sh_g;
1560	}
1561	for (i = 0; i <= mask_b>>sh_b; i++)
1562	{
1563	uint32_t tmp;
1564	tmp = i * high.b;
1565	tmp += (mask_b>>sh_b) * low.b;
1566	lookup_b[i] = (tmp/65535)<<sh_b;
1567	}
1568		1319
1569	/* apply table to input image (replacing colors by newly calculated ones) */	1320	/* apply table to input image (replacing colors by newly calculated ones) */
1570	if (ximage->bits_per_pixel == 32	1321	if (ximage->bits_per_pixel == 32
1571	&& (ximage->depth == 24 || ximage->depth == 32)
1572	&& ximage->byte_order == host_byte_order)	1322	&& ximage->byte_order == host_byte_order)
1573	{	1323	{
1574	uint32_t *p1, *pf, *p, *pl;	1324	char *line = ximage->data;
1575	p1 = (uint32_t *) ximage->data;
1576	pf = (uint32_t *) (ximage->data + ximage->height * ximage->bytes_per_line);
1577		1325
1578	while (p1 < pf)	1326	for (int y = 0; y < ximage->height; y++)
1579	{	1327	{
1580	p = p1;	1328	uint32_t *p = (uint32_t *)line;
1581	pl = p1 + ximage->width;	1329	for (int x = 0; x < ximage->width; x++)
1582	for (; p < pl; p++)
1583	{	1330	{
1584	*p = lookup_r[(*p & 0xff0000) >> 16] |	1331	*p = lookup_r[(*p & mask_r) >> sh_r] |
1585	lookup_g[(*p & 0x00ff00) >> 8] |	1332	lookup_g[(*p & mask_g) >> sh_g] |
1586	lookup_b[(*p & 0x0000ff)] |	1333	lookup_b[(*p & mask_b) >> sh_b];
1587	(*p & 0xff000000);	1334	p++;
1588	}	1335	}
1589	p1 = (uint32_t *) ((char *) p1 + ximage->bytes_per_line);	1336	line += ximage->bytes_per_line;
1590	}	1337	}
1591	}	1338	}
1592	else	1339	else
1593	{	1340	{
1594	for (int y = 0; y < ximage->height; y++)	1341	for (int y = 0; y < ximage->height; y++)
…		…
1602	}	1349	}
1603	}	1350	}
1604		1351
1605	free (lookup);	1352	free (lookup);
1606	}	1353	}
1607	#endif /* defined(ENABLE_TRANSPARENCY) && !defined(HAVE_AFTERIMAGE) */	1354	#endif /* ENABLE_TRANSPARENCY */

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