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Comparing rxvt-unicode/src/background.C (file contents):
Revision 1.161 by sf-exg, Thu Aug 11 08:39:10 2011 UTC vs.
Revision 1.222 by sf-exg, Sat May 26 08:10:25 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	{
226	/* we have geometry string - let's handle it prior to applying ops */
227	geom_flags = XParseGeometry (str, &x, &y, &w, &h);
228	} /* done parsing geometry string */
229
230	if (!update)
231	{
232	if (!(geom_flags & XValue))
233	x = y = defaultAlign;
234	else if (!(geom_flags & YValue))
235	y = x;
236
237	if (!(geom_flags & (WidthValue|HeightValue)))
238	w = h = defaultScale;
239	else if (!(geom_flags & HeightValue))
240	h = w;
241	else if (!(geom_flags & WidthValue))
242	w = h;
243
244	geom_flags |= WidthValue|HeightValue|XValue|YValue;
245	}	205	{
246
247	if (ops)
248	{
249	char **arr = rxvt_strsplit (':', ops + 1);	206	char **arr = rxvt_strsplit (':', geom);
250		207
251	for (int i = 0; arr[i]; i++)	208	for (int i = 0; arr[i]; i++)
252	{	209	{
253	if (!strcasecmp (arr[i], "style=tiled"))	210	if (!strncasecmp (arr[i], "style=", 6))
254	{	211	{
255	new_flags = BG_TILE;	212	parse_style (arr[i] + 6, x, y, w, h, new_flags);
256	w = h = noScale;
257	x = y = 0;
258	geom_flags = WidthValue|HeightValue|XValue|YValue;	213	geom_flags = WidthValue|HeightValue|XValue|YValue;
259	}	214	}
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"))	215	else if (!strcasecmp (arr[i], "op=tile"))
286	new_flags |= BG_TILE;	216	new_flags |= IM_TILE;
287	else if (!strcasecmp (arr[i], "op=pscale"))	217	else if (!strcasecmp (arr[i], "op=keep-aspect"))
288	new_flags |= BG_PROP_SCALE;	218	new_flags |= IM_KEEP_ASPECT;
289	else if (!strcasecmp (arr[i], "op=root"))	219	else if (!strcasecmp (arr[i], "op=root-align"))
290	new_flags |= BG_ROOT_ALIGN;	220	new_flags |= IM_ROOT_ALIGN;
291		221
292	// deprecated	222	// deprecated
293	else if (!strcasecmp (arr[i], "tile"))	223	else if (!strcasecmp (arr[i], "tile"))
294	{	224	{
295	new_flags |= BG_TILE;	225	new_flags |= IM_TILE;
296	w = h = noScale;	226	w = h = noScale;
297	geom_flags |= WidthValue|HeightValue;	227	geom_flags |= WidthValue|HeightValue;
298	}	228	}
299	else if (!strcasecmp (arr[i], "propscale"))	229	else if (!strcasecmp (arr[i], "propscale"))
300	{	230	{
301	new_flags |= BG_PROP_SCALE;	231	new_flags |= IM_KEEP_ASPECT;
		232	w = h = windowScale;
		233	geom_flags |= WidthValue|HeightValue;
302	}	234	}
303	else if (!strcasecmp (arr[i], "hscale"))	235	else if (!strcasecmp (arr[i], "hscale"))
304	{	236	{
		237	new_flags |= IM_TILE;
305	w = windowScale;	238	w = windowScale;
306	h = noScale;	239	h = noScale;
307	geom_flags |= WidthValue|HeightValue;	240	geom_flags |= WidthValue|HeightValue;
308	}	241	}
309	else if (!strcasecmp (arr[i], "vscale"))	242	else if (!strcasecmp (arr[i], "vscale"))
310	{	243	{
		244	new_flags |= IM_TILE;
311	h = windowScale;	245	h = windowScale;
312	w = noScale;	246	w = noScale;
313	geom_flags |= WidthValue|HeightValue;	247	geom_flags |= WidthValue|HeightValue;
314	}	248	}
315	else if (!strcasecmp (arr[i], "scale"))	249	else if (!strcasecmp (arr[i], "scale"))
…		…
323	x = y = centerAlign;	257	x = y = centerAlign;
324	geom_flags |= WidthValue|HeightValue|XValue|YValue;	258	geom_flags |= WidthValue|HeightValue|XValue|YValue;
325	}	259	}
326	else if (!strcasecmp (arr[i], "root"))	260	else if (!strcasecmp (arr[i], "root"))
327	{	261	{
328	new_flags |= BG_TILE|BG_ROOT_ALIGN;	262	new_flags |= IM_TILE|IM_ROOT_ALIGN;
329	w = h = noScale;	263	w = h = noScale;
330	geom_flags |= WidthValue|HeightValue;	264	geom_flags |= WidthValue|HeightValue;
331	}	265	}
		266
		267	else
		268	geom_flags |= XParseGeometry (arr[i], &x, &y, &w, &h);
332	} /* done parsing ops */	269	} /* done parsing ops */
333		270
334	rxvt_free_strsplit (arr);	271	rxvt_free_strsplit (arr);
335	}	272	}
336		273
337	if (check_set_scale_value (geom_flags, WidthValue, h_scale, w)) changed = true;	274	new_flags |= flags & ~IM_GEOMETRY_FLAGS;
338	if (check_set_scale_value (geom_flags, HeightValue, v_scale, h)) changed = true;
339	if (check_set_align_value (geom_flags, XValue, h_align, x)) changed = true;
340	if (check_set_align_value (geom_flags, YValue, v_align, y)) changed = true;
341		275
342	if (new_flags != bg_flags)	276	if (!update)
		277	{
		278	if (!(geom_flags & XValue))
		279	x = y = defaultAlign;
		280	else if (!(geom_flags & YValue))
		281	y = x;
		282
		283	if (!(geom_flags & (WidthValue|HeightValue)))
		284	w = h = defaultScale;
		285	else if (!(geom_flags & HeightValue))
		286	h = w;
		287	else if (!(geom_flags & WidthValue))
		288	w = h;
343	{	289	}
		290
		291	clamp_it (x, -100, 200);
		292	clamp_it (y, -100, 200);
		293
		294	if (flags != new_flags
		295	|| h_scale != w
		296	|| v_scale != h
		297	|| h_align != x
		298	|| v_align != y)
		299	{
344	bg_flags = new_flags;	300	flags = new_flags;
		301	h_scale = w;
		302	v_scale = h;
		303	h_align = x;
		304	v_align = y;
345	changed = true;	305	changed = true;
346	}	306	}
347		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
348	return changed;	315	return changed;
349	}	316	}
350		317
351	void	318	void
352	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)
353	{	320	{
		321	int image_width = image.width ();
		322	int image_height = image.height ();
354	int target_width = szHint.width;	323	int target_width = szHint.width;
355	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);
356		327
357	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)
358	{	332	{
359	float scale = (float)target_width / image_width;	333	float scale = (float)w / image_width;
360	min_it (scale, (float)target_height / image_height);	334	min_it (scale, (float)h / image_height);
361	w = image_width * scale + 0.5;	335	w = image_width * scale + 0.5;
362	h = image_height * scale + 0.5;	336	h = image_height * scale + 0.5;
363	}	337	}
364	else
365	{
366	w = h_scale * target_width / 100;
367	h = v_scale * target_height / 100;
368	}
369		338
370	if (!w) w = image_width;	339	if (!w) w = image_width;
371	if (!h) h = image_height;	340	if (!h) h = image_height;
372		341
373	if (bg_flags & BG_ROOT_ALIGN)	342	if (image.flags & IM_ROOT_ALIGN)
374	{	343	{
375	x = -target_x;	344	x = -target_x;
376	y = -target_y;	345	y = -target_y;
377	}	346	}
378	else	347	else
379	{	348	{
380	x = make_align_position (h_align, target_width, w);	349	x = make_align_position (image.h_align, target_width, w);
381	y = make_align_position (v_align, target_height, h);	350	y = make_align_position (image.v_align, target_height, h);
382	}
383
384	bg_flags &= ~BG_IS_SIZE_SENSITIVE;
385	if (!(bg_flags & BG_TILE)
386	|| (bg_flags & BG_PROP_SCALE) || h_scale || v_scale
387	|| (!(bg_flags & BG_ROOT_ALIGN) && (h_align || v_align))
388	|| w > target_width || h > target_height)
389	bg_flags |= BG_IS_SIZE_SENSITIVE;
390	}
391
392	# ifdef HAVE_AFTERIMAGE
393	bool
394	rxvt_term::render_image (unsigned long tr_flags)
395	{
396	init_asv ();
397
398	ASImage *background = NULL;
399	ARGB32 background_tint = TINT_LEAVE_SAME;
400
401	# ifdef ENABLE_TRANSPARENCY
402	if (tr_flags)
403	background = pixmap2ximage (asv, bg_pixmap, 0, 0, bg_pmap_width, bg_pmap_height, AllPlanes, 100);
404
405	if (tr_flags & BG_NEEDS_TINT)
406	{	351	}
407	ShadingInfo as_shade;	352	}
408	as_shade.shading = shade;
409		353
410	rgba c (rgba::MAX_CC,rgba::MAX_CC,rgba::MAX_CC);	354	# ifdef HAVE_PIXBUF
411	if (bg_flags & BG_TINT_SET)	355	bool
412	tint.get (c);	356	rxvt_term::pixbuf_to_pixmap (GdkPixbuf *pixbuf, Pixmap pixmap, GC gc,
413	as_shade.tintColor.red = c.r;	357	int src_x, int src_y, int dst_x, int dst_y,
414	as_shade.tintColor.green = c.g;	358	unsigned int width, unsigned int height, bool argb)
415	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;
416		368
417	background_tint = shading2tint32 (&as_shade);	369	if (visual->c_class != TrueColor)
		370	return false;
		371
		372	if (argb)
418	}	373	{
419		374	red_mask = 0xff << 16;
420	if ((tr_flags & BG_NEEDS_BLUR) && background != NULL)	375	green_mask = 0xff << 8;
		376	blue_mask = 0xff;
		377	alpha_mask = 0xff << 24;
421	{	378	}
422	ASImage *tmp = blur_asimage_gauss (asv, background, h_blurRadius, v_blurRadius, 0xFFFFFFFF,	379	else
423	(original_asim == NULL || tint == TINT_LEAVE_SAME) ? ASA_XImage : ASA_ASImage,	380	{
424	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);
425	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)
426	{	447	{
427	destroy_asimage (&background);	448	a = pixel[3];
428	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);
429	}	470	}
430	}
431	# endif
432		471
433	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);
434		498
435	int target_width = szHint.width;	499	int target_width = szHint.width;
436	int target_height = szHint.height;	500	int target_height = szHint.height;
437	int new_pmap_width = target_width;	501	int new_pmap_width = target_width;
438	int new_pmap_height = target_height;	502	int new_pmap_height = target_height;
…		…
440	int x = 0;	504	int x = 0;
441	int y = 0;	505	int y = 0;
442	int w = 0;	506	int w = 0;
443	int h = 0;	507	int h = 0;
444		508
445	if (original_asim)	509	get_image_geometry (image, w, h, x, y);
446	get_image_geometry (original_asim->width, original_asim->height, w, h, x, y);
447		510
448	if (!original_asim	511	if (!(image.flags & IM_ROOT_ALIGN)
449	|| (!(bg_flags & BG_ROOT_ALIGN)
450	&& (x >= target_width	512	&& (x >= target_width
451	|| y >= target_height	513	|| y >= target_height
452	|| (x + w <= 0)	514	|| x + w <= 0
453	|| (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);
454	{	526	}
455	if (background)
456	{
457	new_pmap_width = background->width;
458	new_pmap_height = background->height;
459	result = background;
460		527
461	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)
462	{	549	{
463	ASImage *tmp = tile_asimage (asv, background, 0, 0,	550	new_pmap_width = min (image_width, target_width);
464	target_width, target_height, background_tint,	551	new_pmap_height = min (image_height, target_height);
465	ASA_XImage, 100, ASIMAGE_QUALITY_DEFAULT);
466	if (tmp)
467	result = tmp;
468	}
469	}	552	}
470	else
471	new_pmap_width = new_pmap_height = 0;
472	}
473	else
474	{
475	result = original_asim;
476		553
477	if ((w != original_asim->width)
478	|| (h != original_asim->height))
479	{
480	result = scale_asimage (asv, original_asim,
481	w, h,
482	background ? ASA_ASImage : ASA_XImage,
483	100, ASIMAGE_QUALITY_DEFAULT);
484	}
485
486	if (background == NULL)
487	{
488	if (bg_flags & BG_TILE)
489	{
490	/* if tiling - pixmap has to be sized exactly as the image,
491	but there is no need to make it bigger than the window! */
492	new_pmap_width = min (result->width, target_width);
493	new_pmap_height = min (result->height, target_height);
494
495	/* we also need to tile our image in both directions */
496	ASImage *tmp = tile_asimage (asv, result,
497	(int)result->width - x,
498	(int)result->height - y,
499	new_pmap_width,
500	new_pmap_height,
501	TINT_LEAVE_SAME, ASA_XImage,
502	100, ASIMAGE_QUALITY_DEFAULT);
503	if (tmp)
504	{
505	if (result != original_asim)
506	destroy_asimage (&result);
507
508	result = tmp;
509	}
510	}
511	}
512	else
513	{
514	/* if blending background and image - pixmap has to be sized same as target window */
515	ASImageLayer *layers = create_image_layers (2);
516
517	layers[0].im = background;
518	layers[0].clip_width = target_width;
519	layers[0].clip_height = target_height;
520	layers[0].tint = background_tint;
521	layers[1].im = result;
522
523	if (bg_flags & BG_TILE)
524	{
525	/* tile horizontally */
526	while (x > 0) x -= (int)result->width;
527	layers[1].dst_x = x;
528	layers[1].clip_width = result->width+target_width;
529	}
530	else
531	{
532	/* clip horizontally */
533	layers[1].dst_x = x;
534	layers[1].clip_width = result->width;
535	}
536
537	if (bg_flags & BG_TILE)
538	{
539	while (y > 0) y -= (int)result->height;
540	layers[1].dst_y = y;
541	layers[1].clip_height = result->height + target_height;
542	}
543	else
544	{
545	layers[1].dst_y = y;
546	layers[1].clip_height = result->height;
547	}
548
549	if (rs[Rs_blendtype])
550	{
551	layers[1].merge_scanlines = blend_scanlines_name2func (rs[Rs_blendtype]);
552	if (layers[1].merge_scanlines == NULL)
553	layers[1].merge_scanlines = alphablend_scanlines;
554	}
555
556	ASImage *tmp = merge_layers (asv, layers, 2, target_width, target_height,
557	ASA_XImage, 0, ASIMAGE_QUALITY_DEFAULT);
558
559	if (tmp)
560	{
561	if (result != original_asim)
562	destroy_asimage (&result);
563
564	result = tmp;
565	}
566
567	free (layers);
568	}
569	}
570
571	bool ret = false;
572
573	if (result)
574	{
575	XGCValues gcv;
576	GC gc;
577
578	/* create Pixmap */
579	if (bg_pixmap == None	554	if (bg_pixmap == None
580	|| bg_pmap_width != new_pmap_width	555	|| bg_pmap_width != new_pmap_width
581	|| bg_pmap_height != new_pmap_height)	556	|| bg_pmap_height != new_pmap_height)
582	{	557	{
583	if (bg_pixmap)	558	if (bg_pixmap)
584	XFreePixmap (dpy, bg_pixmap);	559	XFreePixmap (dpy, bg_pixmap);
585	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);
586	bg_pmap_width = new_pmap_width;	561	bg_pmap_width = new_pmap_width;
587	bg_pmap_height = new_pmap_height;	562	bg_pmap_height = new_pmap_height;
588	}	563	}
589	/* fill with background color (if result's not completely overlapping it) */
590	gcv.foreground = pix_colors[Color_bg];
591	gc = XCreateGC (dpy, vt, GCForeground, &gcv);
592		564
593	int src_x = 0, src_y = 0, dst_x = 0, dst_y = 0;
594	int dst_width = result->width, dst_height = result->height;
595	if (background == NULL)
596	{
597	if (!(bg_flags & BG_TILE))
598	{
599	src_x = make_clip_rectangle (x, result->width , new_pmap_width , dst_x, dst_width );
600	src_y = make_clip_rectangle (y, result->height, new_pmap_height, dst_y, dst_height);
601	}
602
603	if (dst_x > 0 || dst_y > 0
604	|| dst_x + dst_width < new_pmap_width
605	|| dst_y + dst_height < new_pmap_height)
606	XFillRectangle (dpy, bg_pixmap, gc, 0, 0, new_pmap_width, new_pmap_height);
607	}
608
609	/* put result on pixmap */
610	if (dst_x < new_pmap_width && dst_y < new_pmap_height)
611	asimage2drawable (asv, bg_pixmap, result, gc, src_x, src_y, dst_x, dst_y, dst_width, dst_height, True);
612
613	if (result != background && result != original_asim)
614	destroy_asimage (&result);
615
616	XFreeGC (dpy, gc);
617
618	ret = true;
619	}
620
621	if (background)
622	destroy_asimage (&background);
623
624	return ret;
625	}
626	# endif /* HAVE_AFTERIMAGE */
627
628	# ifdef HAVE_PIXBUF
629	bool
630	rxvt_term::pixbuf_to_pixmap (GdkPixbuf *pixbuf, Pixmap pixmap, GC gc,
631	int src_x, int src_y, int dst_x, int dst_y,
632	unsigned int width, unsigned int height)
633	{
634	XImage *ximage;
635	char *data, *line;
636	int bytes_per_pixel;
637	int width_r, width_g, width_b;
638	int sh_r, sh_g, sh_b;
639	int rowstride;
640	int channels;
641	unsigned char *row;
642
643	if (visual->c_class != TrueColor)
644	return false;
645
646	if (depth == 24 || depth == 32)
647	bytes_per_pixel = 4;
648	else if (depth == 15 || depth == 16)
649	bytes_per_pixel = 2;
650	else
651	return false;
652
653	width_r = ecb_popcount32 (visual->red_mask);
654	width_g = ecb_popcount32 (visual->green_mask);
655	width_b = ecb_popcount32 (visual->blue_mask);
656
657	if (width_r > 8 || width_g > 8 || width_b > 8)
658	return false;
659
660	sh_r = ecb_ctz32 (visual->red_mask);
661	sh_g = ecb_ctz32 (visual->green_mask);
662	sh_b = ecb_ctz32 (visual->blue_mask);
663
664	if (width > INT_MAX / height / bytes_per_pixel)
665	return false;
666
667	data = (char *)malloc (width * height * bytes_per_pixel);
668	if (!data)
669	return false;
670
671	ximage = XCreateImage (dpy, visual, depth, ZPixmap, 0, data,
672	width, height, bytes_per_pixel * 8, 0);
673	if (!ximage)
674	{
675	free (data);
676	return false;
677	}
678
679	ximage->byte_order = ecb_big_endian () ? MSBFirst : LSBFirst;
680
681	rowstride = gdk_pixbuf_get_rowstride (pixbuf);
682	channels = gdk_pixbuf_get_n_channels (pixbuf);
683	row = gdk_pixbuf_get_pixels (pixbuf) + src_y * rowstride + src_x * channels;
684	line = data;
685
686	for (int y = 0; y < height; y++)
687	{
688	for (int x = 0; x < width; x++)
689	{
690	unsigned char *pixel = row + x * channels;
691	uint32_t value;
692
693	value = ((pixel[0] >> (8 - width_r)) << sh_r)
694	| ((pixel[1] >> (8 - width_g)) << sh_g)
695	| ((pixel[2] >> (8 - width_b)) << sh_b);
696
697	if (bytes_per_pixel == 4)
698	((uint32_t *)line)[x] = value;
699	else
700	((uint16_t *)line)[x] = value;
701	}
702
703	row += rowstride;
704	line += ximage->bytes_per_line;
705	}
706
707	XPutImage (dpy, pixmap, gc, ximage, 0, 0, dst_x, dst_y, width, height);
708	XDestroyImage (ximage);
709	return true;
710	}
711
712	bool
713	rxvt_term::render_image (unsigned long tr_flags)
714	{
715	if (!pixbuf)
716	return false;
717
718	if (tr_flags
719	&& !(bg_flags & BG_HAS_RENDER))
720	return false;
721
722	GdkPixbuf *result;
723
724	int image_width = gdk_pixbuf_get_width (pixbuf);
725	int image_height = gdk_pixbuf_get_height (pixbuf);
726
727	int target_width = szHint.width;
728	int target_height = szHint.height;
729	int new_pmap_width = target_width;
730	int new_pmap_height = target_height;
731
732	int x = 0;
733	int y = 0;
734	int w = 0;
735	int h = 0;
736
737	get_image_geometry (image_width, image_height, w, h, x, y);
738
739	if (!(bg_flags & BG_ROOT_ALIGN)
740	&& (x >= target_width
741	|| y >= target_height
742	|| (x + w <= 0)
743	|| (y + h <= 0)))
744	return false;
745
746	result = pixbuf;
747
748	if ((w != image_width)
749	|| (h != image_height))
750	{
751	result = gdk_pixbuf_scale_simple (pixbuf,
752	w, h,
753	GDK_INTERP_BILINEAR);
754	}
755
756	if (!result)
757	return false;
758
759	bool ret = false;
760
761	XGCValues gcv;
762	GC gc;
763	Pixmap root_pmap;
764
765	image_width = gdk_pixbuf_get_width (result);
766	image_height = gdk_pixbuf_get_height (result);
767
768	if (tr_flags)
769	{
770	root_pmap = bg_pixmap;	565	tmp_pixmap = bg_pixmap;
771	bg_pixmap = None;
772	}
773	else
774	{
775	if (bg_flags & BG_TILE)
776	{
777	new_pmap_width = min (image_width, target_width);
778	new_pmap_height = min (image_height, target_height);
779	}
780	}
781
782	if (bg_pixmap == None
783	|| bg_pmap_width != new_pmap_width
784	|| bg_pmap_height != new_pmap_height)
785	{
786	if (bg_pixmap)
787	XFreePixmap (dpy, bg_pixmap);
788	bg_pixmap = XCreatePixmap (dpy, vt, new_pmap_width, new_pmap_height, depth);
789	bg_pmap_width = new_pmap_width;
790	bg_pmap_height = new_pmap_height;
791	}	566	}
792		567
793	gcv.foreground = pix_colors[Color_bg];	568	gcv.foreground = pix_colors[Color_bg];
794	gc = XCreateGC (dpy, vt, GCForeground, &gcv);	569	gc = XCreateGC (dpy, tmp_pixmap, GCForeground, &gcv);
795		570
796	if (gc)	571	if (gc)
797	{	572	{
798	if (bg_flags & BG_TILE)	573	if (image.flags & IM_TILE)
799	{	574	{
800	Pixmap tile = XCreatePixmap (dpy, vt, image_width, image_height, depth);	575	Pixmap tile = XCreatePixmap (dpy, vt, image_width, image_height, need_blend ? 32 : depth);
801	pixbuf_to_pixmap (result, tile, gc,	576	pixbuf_to_pixmap (result, tile, gc,
802	0, 0,	577	0, 0,
803	0, 0,	578	0, 0,
804	image_width, image_height);	579	image_width, image_height, need_blend);
805		580
806	gcv.tile = tile;	581	gcv.tile = tile;
807	gcv.fill_style = FillTiled;	582	gcv.fill_style = FillTiled;
808	gcv.ts_x_origin = x;	583	gcv.ts_x_origin = x;
809	gcv.ts_y_origin = y;	584	gcv.ts_y_origin = y;
810	XChangeGC (dpy, gc, GCFillStyle | GCTile | GCTileStipXOrigin | GCTileStipYOrigin, &gcv);	585	XChangeGC (dpy, gc, GCFillStyle | GCTile | GCTileStipXOrigin | GCTileStipYOrigin, &gcv);
811		586
812	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);
813	XFreePixmap (dpy, tile);	588	XFreePixmap (dpy, tile);
814	}	589	}
815	else	590	else
816	{	591	{
817	int src_x, src_y, dst_x, dst_y;	592	int src_x, src_y, dst_x, dst_y;
…		…
821	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);
822		597
823	if (dst_x > 0 || dst_y > 0	598	if (dst_x > 0 || dst_y > 0
824	|| dst_x + dst_width < new_pmap_width	599	|| dst_x + dst_width < new_pmap_width
825	|| dst_y + dst_height < new_pmap_height)	600	|| dst_y + dst_height < new_pmap_height)
826	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);
827		602
828	if (dst_x < new_pmap_width && dst_y < new_pmap_height)	603	if (dst_x < new_pmap_width && dst_y < new_pmap_height)
829	pixbuf_to_pixmap (result, bg_pixmap, gc,	604	pixbuf_to_pixmap (result, tmp_pixmap, gc,
830	src_x, src_y,	605	src_x, src_y,
831	dst_x, dst_y,	606	dst_x, dst_y,
832	dst_width, dst_height);	607	dst_width, dst_height, need_blend);
833	}	608	}
834		609
835	#if XRENDER	610	#if XRENDER
836	if (tr_flags)	611	if (need_blend)
837	{	612	{
838	XRenderPictureAttributes pa;	613	XRenderPictFormat *argb_format = XRenderFindStandardFormat (dpy, PictStandardARGB32);
839
840	XRenderPictFormat *src_format = XRenderFindVisualFormat (dpy, visual);	614	XRenderPictFormat *format = XRenderFindVisualFormat (dpy, visual);
		615
841	Picture src = XRenderCreatePicture (dpy, root_pmap, src_format, 0, &pa);	616	Picture src = XRenderCreatePicture (dpy, tmp_pixmap, argb_format, 0, 0);
842		617
843	XRenderPictFormat *dst_format = XRenderFindVisualFormat (dpy, visual);
844	Picture dst = XRenderCreatePicture (dpy, bg_pixmap, dst_format, 0, &pa);	618	Picture dst = XRenderCreatePicture (dpy, bg_pixmap, format, 0, 0);
845		619
846	pa.repeat = True;	620	Picture mask = create_xrender_mask (dpy, vt, False, False);
847	Pixmap mask_pmap = XCreatePixmap (dpy, vt, 1, 1, 8);
848	XRenderPictFormat *mask_format = XRenderFindStandardFormat (dpy, PictStandardA8);
849	Picture mask = XRenderCreatePicture (dpy, mask_pmap, mask_format, CPRepeat, &pa);
850	XFreePixmap (dpy, mask_pmap);
851		621
852	XRenderColor mask_c;	622	XRenderColor mask_c;
853		623
854	mask_c.alpha = 0x8000;	624	mask_c.alpha = gdk_pixbuf_get_has_alpha (image.pixbuf) ? 0xffff : image.alpha;
855	mask_c.red = 0;	625	mask_c.red =
856	mask_c.green = 0;	626	mask_c.green =
857	mask_c.blue = 0;	627	mask_c.blue = 0;
858	XRenderFillRectangle (dpy, PictOpSrc, mask, &mask_c, 0, 0, 1, 1);	628	XRenderFillRectangle (dpy, PictOpSrc, mask, &mask_c, 0, 0, 1, 1);
		629
859	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);
860		631
861	XRenderFreePicture (dpy, src);	632	XRenderFreePicture (dpy, src);
862	XRenderFreePicture (dpy, dst);	633	XRenderFreePicture (dpy, dst);
863	XRenderFreePicture (dpy, mask);	634	XRenderFreePicture (dpy, mask);
…		…
870	}	641	}
871		642
872	if (result != pixbuf)	643	if (result != pixbuf)
873	g_object_unref (result);	644	g_object_unref (result);
874		645
875	if (tr_flags)	646	if (need_blend)
876	XFreePixmap (dpy, root_pmap);	647	XFreePixmap (dpy, tmp_pixmap);
877		648
878	return ret;	649	return ret;
879	}	650	}
880	# endif /* HAVE_PIXBUF */	651	# endif /* HAVE_PIXBUF */
881		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
882	bool	700	bool
883	rxvt_term::bg_set_file (const char *file)	701	rxvt_image::set_file_geometry (const char *file)
884	{	702	{
885	if (!file || !*file)	703	if (!file || !*file)
886	return false;	704	return false;
887		705
888	if (const char *p = strchr (file, ';'))	706	const char *p = strchr (file, ';');
		707
		708	if (p)
889	{	709	{
890	size_t len = p - file;	710	size_t len = p - file;
891	char *f = rxvt_temp_buf<char> (len + 1);	711	char *f = rxvt_temp_buf<char> (len + 1);
892	memcpy (f, file, len);	712	memcpy (f, file, len);
893	f[len] = '\0';	713	f[len] = '\0';
894	file = f;	714	file = f;
895	}	715	}
896		716
897	# ifdef HAVE_AFTERIMAGE	717	bool ret = set_file (file);
898	if (!asimman)	718	alpha = 0x8000;
899	asimman = create_generic_imageman (rs[Rs_path]);	719	if (ret && p)
900	ASImage *image = get_asimage (asimman, file, 0xFFFFFFFF, 100);	720	set_geometry (p + 1);
901	if (image)	721	return ret;
902	{	722	}
903	if (original_asim)	723
904	safe_asimage_destroy (original_asim);	724	bool
905	original_asim = image;	725	rxvt_image::set_file (const char *file)
906	bg_flags |= BG_IS_FROM_FILE | BG_CLIENT_RENDER;	726	{
907	return true;	727	bool ret = false;
908	}
909	# endif
910		728
911	# ifdef HAVE_PIXBUF	729	# ifdef HAVE_PIXBUF
912	GdkPixbuf *image = gdk_pixbuf_new_from_file (file, NULL);	730	GdkPixbuf *image = gdk_pixbuf_new_from_file (file, NULL);
913	if (image)	731	if (image)
914	{	732	{
915	if (pixbuf)	733	if (pixbuf)
916	g_object_unref (pixbuf);	734	g_object_unref (pixbuf);
917	pixbuf = image;	735	pixbuf = image;
918	bg_flags |= BG_IS_FROM_FILE;
919	return true;	736	ret = true;
920	}	737	}
921	# endif	738	# endif
922		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
923	return false;	748	return ret;
924	}	749	}
925		750
926	# endif /* BG_IMAGE_FROM_FILE */	751	# endif /* BG_IMAGE_FROM_FILE */
927		752
928	# ifdef ENABLE_TRANSPARENCY	753	# ifdef ENABLE_TRANSPARENCY
929	bool
930	rxvt_term::bg_set_transparent ()
931	{
932	if (!(bg_flags & BG_IS_TRANSPARENT))
933	{
934	bg_flags |= BG_IS_TRANSPARENT;
935	return true;
936	}
937
938	return false;
939	}
940
941	bool	754	bool
942	rxvt_term::bg_set_blur (const char *geom)	755	rxvt_term::bg_set_blur (const char *geom)
943	{	756	{
944	bool changed = false;	757	bool changed = false;
945	unsigned int hr, vr;	758	unsigned int hr, vr;
…		…
964	{	777	{
965	changed = true;	778	changed = true;
966	v_blurRadius = vr;	779	v_blurRadius = vr;
967	}	780	}
968		781
969	if (v_blurRadius == 0 && h_blurRadius == 0)
970	bg_flags &= ~BG_NEEDS_BLUR;
971	else
972	bg_flags |= BG_NEEDS_BLUR;
973
974	return changed;	782	return changed;
975	}	783	}
976		784
977	void	785	bool
978	rxvt_term::set_tint_shade_flags ()	786	rxvt_term::bg_set_tint (rxvt_color &new_tint)
979	{	787	{
980	rgba c (rgba::MAX_CC,rgba::MAX_CC,rgba::MAX_CC);	788	if (!(bg_flags & BG_TINT_SET) || tint != new_tint)
981	bool has_shade = shade != 100;	789	{
982		790	tint = new_tint;
983	bg_flags &= ~BG_TINT_FLAGS;	791	bg_flags |= BG_TINT_SET;
984		792
985	if (bg_flags & BG_TINT_SET)	793	rgba c;
986	{
987	tint.get (c);	794	tint.get (c);
988	if (!has_shade
989	&& (c.r <= 0x00ff || c.r >= 0xff00)	795	if ((c.r <= 0x00ff || c.r >= 0xff00)
990	&& (c.g <= 0x00ff || c.g >= 0xff00)	796	&& (c.g <= 0x00ff || c.g >= 0xff00)
991	&& (c.b <= 0x00ff || c.b >= 0xff00))	797	&& (c.b <= 0x00ff || c.b >= 0xff00))
992	bg_flags |= BG_TINT_BITAND;	798	bg_flags |= BG_TINT_BITAND;
993	}	799	else
994
995	if (has_shade || (bg_flags & BG_TINT_SET))
996	bg_flags |= BG_NEEDS_TINT;
997	}
998
999	bool
1000	rxvt_term::bg_set_tint (rxvt_color &new_tint)
1001	{
1002	if (!(bg_flags & BG_TINT_SET) || tint != new_tint)
1003	{
1004	tint = new_tint;
1005	bg_flags |= BG_TINT_SET;	800	bg_flags &= ~BG_TINT_BITAND;
1006	set_tint_shade_flags ();	801
1007	return true;	802	return true;
1008	}	803	}
1009		804
1010	return false;	805	return false;
1011	}	806	}
1012		807
1013	bool	808	bool
1014	rxvt_term::bg_set_shade (const char *shade_str)	809	rxvt_term::bg_set_shade (const char *shade_str)
1015	{	810	{
1016	int new_shade = (shade_str) ? atoi (shade_str) : 100;	811	int new_shade = atoi (shade_str);
1017		812
1018	clamp_it (new_shade, -100, 200);	813	clamp_it (new_shade, -100, 200);
1019	if (new_shade < 0)	814	if (new_shade < 0)
1020	new_shade = 200 - (100 + new_shade);	815	new_shade = 200 - (100 + new_shade);
1021		816
1022	if (new_shade != shade)	817	if (new_shade != shade)
1023	{	818	{
1024	shade = new_shade;	819	shade = new_shade;
1025	set_tint_shade_flags ();
1026	return true;	820	return true;
1027	}	821	}
1028		822
1029	return false;	823	return false;
1030	}	824	}
…		…
1051	params[i+2] = XDoubleToFixed (kernel[i] / sum);	845	params[i+2] = XDoubleToFixed (kernel[i] / sum);
1052	}	846	}
1053	#endif	847	#endif
1054		848
1055	bool	849	bool
1056	rxvt_term::blur_pixmap (Pixmap pixmap, Visual *visual, int width, int height)	850	rxvt_term::blur_pixmap (Pixmap pixmap, int width, int height)
1057	{	851	{
1058	bool ret = false;	852	bool ret = false;
1059	#if XRENDER	853	#if XRENDER
		854	if (!(bg_flags & BG_HAS_RENDER_CONV))
		855	return false;
		856
1060	int size = max (h_blurRadius, v_blurRadius) * 2 + 1;	857	int size = max (h_blurRadius, v_blurRadius) * 2 + 1;
1061	double *kernel = (double *)malloc (size * sizeof (double));	858	double *kernel = (double *)malloc (size * sizeof (double));
1062	XFixed *params = (XFixed *)malloc ((size + 2) * sizeof (XFixed));	859	XFixed *params = (XFixed *)malloc ((size + 2) * sizeof (XFixed));
1063		860
1064	XRenderPictureAttributes pa;	861	XRenderPictureAttributes pa;
1065	XRenderPictFormat *format = XRenderFindVisualFormat (dpy, visual);	862	XRenderPictFormat *format = XRenderFindVisualFormat (dpy, visual);
1066		863
		864	pa.repeat = RepeatPad;
1067	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);
1068	Picture dst = XRenderCreatePicture (dpy, pixmap, format, 0, &pa);	867	Picture dst = XRenderCreatePicture (dpy, tmp, format, CPRepeat, &pa);
		868	XFreePixmap (dpy, tmp);
1069		869
1070	if (kernel && params)	870	if (kernel && params)
1071	{	871	{
1072	if (h_blurRadius)
1073	{
1074	size = h_blurRadius * 2 + 1;	872	size = h_blurRadius * 2 + 1;
1075	get_gaussian_kernel (h_blurRadius, size, kernel, params);	873	get_gaussian_kernel (h_blurRadius, size, kernel, params);
1076		874
1077	XRenderSetPictureFilter (dpy, src, FilterConvolution, params, size+2);	875	XRenderSetPictureFilter (dpy, src, FilterConvolution, params, size+2);
1078	XRenderComposite (dpy,	876	XRenderComposite (dpy,
1079	PictOpSrc,	877	PictOpSrc,
1080	src,	878	src,
1081	None,	879	None,
1082	dst,	880	dst,
1083	0, 0,	881	0, 0,
1084	0, 0,	882	0, 0,
1085	0, 0,	883	0, 0,
1086	width, height);	884	width, height);
1087	}
1088		885
1089	if (v_blurRadius)	886	::swap (src, dst);
1090	{	887
1091	size = v_blurRadius * 2 + 1;	888	size = v_blurRadius * 2 + 1;
1092	get_gaussian_kernel (v_blurRadius, size, kernel, params);	889	get_gaussian_kernel (v_blurRadius, size, kernel, params);
1093	::swap (params[0], params[1]);	890	::swap (params[0], params[1]);
1094		891
1095	XRenderSetPictureFilter (dpy, src, FilterConvolution, params, size+2);	892	XRenderSetPictureFilter (dpy, src, FilterConvolution, params, size+2);
1096	XRenderComposite (dpy,	893	XRenderComposite (dpy,
1097	PictOpSrc,	894	PictOpSrc,
1098	src,	895	src,
1099	None,	896	None,
1100	dst,	897	dst,
1101	0, 0,	898	0, 0,
1102	0, 0,	899	0, 0,
1103	0, 0,	900	0, 0,
1104	width, height);	901	width, height);
1105	}
1106		902
1107	ret = true;	903	ret = true;
1108	}	904	}
1109		905
1110	free (kernel);	906	free (kernel);
…		…
1114	#endif	910	#endif
1115	return ret;	911	return ret;
1116	}	912	}
1117		913
1118	bool	914	bool
1119	rxvt_term::tint_pixmap (Pixmap pixmap, Visual *visual, int width, int height)	915	rxvt_term::tint_pixmap (Pixmap pixmap, int width, int height)
1120	{	916	{
1121	bool ret = false;	917	bool ret = false;
1122		918
1123	if (bg_flags & BG_TINT_BITAND)	919	if (shade == 100 && (bg_flags & BG_TINT_BITAND))
1124	{	920	{
1125	XGCValues gcv;	921	XGCValues gcv;
1126	GC gc;	922	GC gc;
1127		923
1128	/* In this case we can tint image server-side getting significant	924	/* In this case we can tint image server-side getting significant
…		…
1137	XFillRectangle (dpy, pixmap, gc, 0, 0, width, height);	933	XFillRectangle (dpy, pixmap, gc, 0, 0, width, height);
1138	ret = true;	934	ret = true;
1139	XFreeGC (dpy, gc);	935	XFreeGC (dpy, gc);
1140	}	936	}
1141	}	937	}
1142	else
1143	{
1144	# if XRENDER	938	# if XRENDER
		939	else if (bg_flags & BG_HAS_RENDER)
		940	{
1145	rgba c (rgba::MAX_CC, rgba::MAX_CC, rgba::MAX_CC);	941	rgba c (rgba::MAX_CC, rgba::MAX_CC, rgba::MAX_CC);
1146		942
1147	if (bg_flags & BG_TINT_SET)	943	if (bg_flags & BG_TINT_SET)
1148	tint.get (c);	944	tint.get (c);
1149		945
…		…
1158	c.r = c.r * (200 - shade) / 100;	954	c.r = c.r * (200 - shade) / 100;
1159	c.g = c.g * (200 - shade) / 100;	955	c.g = c.g * (200 - shade) / 100;
1160	c.b = c.b * (200 - shade) / 100;	956	c.b = c.b * (200 - shade) / 100;
1161	}	957	}
1162		958
1163	XRenderPictFormat *solid_format = XRenderFindStandardFormat (dpy, PictStandardARGB32);
1164	XRenderPictFormat *format = XRenderFindVisualFormat (dpy, visual);	959	XRenderPictFormat *format = XRenderFindVisualFormat (dpy, visual);
1165	XRenderPictureAttributes pa;
1166		960
1167	Picture back_pic = XRenderCreatePicture (dpy, pixmap, format, 0, &pa);	961	Picture back_pic = XRenderCreatePicture (dpy, pixmap, format, 0, 0);
1168		962
1169	pa.repeat = True;	963	Picture overlay_pic = create_xrender_mask (dpy, pixmap, True, False);
1170		964
1171	Pixmap overlay_pmap = XCreatePixmap (dpy, pixmap, 1, 1, 32);	965	Picture mask_pic = create_xrender_mask (dpy, pixmap, True, True);
1172	Picture overlay_pic = XRenderCreatePicture (dpy, overlay_pmap, solid_format, CPRepeat, &pa);
1173	XFreePixmap (dpy, overlay_pmap);
1174
1175	pa.component_alpha = True;
1176	Pixmap mask_pmap = XCreatePixmap (dpy, pixmap, 1, 1, 32);
1177	Picture mask_pic = XRenderCreatePicture (dpy, mask_pmap, solid_format, CPRepeat | CPComponentAlpha, &pa);
1178	XFreePixmap (dpy, mask_pmap);
1179		966
1180	XRenderColor mask_c;	967	XRenderColor mask_c;
1181		968
1182	mask_c.alpha = 0xffff;	969	mask_c.alpha = 0xffff;
1183	mask_c.red =	970	mask_c.red =
…		…
1188	mask_c.alpha = 0;	975	mask_c.alpha = 0;
1189	mask_c.red = 0xffff - c.r;	976	mask_c.red = 0xffff - c.r;
1190	mask_c.green = 0xffff - c.g;	977	mask_c.green = 0xffff - c.g;
1191	mask_c.blue = 0xffff - c.b;	978	mask_c.blue = 0xffff - c.b;
1192	XRenderFillRectangle (dpy, PictOpSrc, mask_pic, &mask_c, 0, 0, 1, 1);	979	XRenderFillRectangle (dpy, PictOpSrc, mask_pic, &mask_c, 0, 0, 1, 1);
		980
1193	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);
1194		982
1195	if (shade > 100)	983	if (shade > 100)
1196	{	984	{
1197	mask_c.red = mask_c.green = mask_c.blue = 0xffff * (shade - 100) / 100;
1198	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;
1199	XRenderFillRectangle (dpy, PictOpSrc, overlay_pic, &mask_c, 0, 0, 1, 1);	989	XRenderFillRectangle (dpy, PictOpSrc, overlay_pic, &mask_c, 0, 0, 1, 1);
1200		990
1201	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);
1202	}	992	}
1203		993
1204	ret = true;	994	ret = true;
1205		995
1206	XRenderFreePicture (dpy, mask_pic);	996	XRenderFreePicture (dpy, mask_pic);
1207	XRenderFreePicture (dpy, overlay_pic);	997	XRenderFreePicture (dpy, overlay_pic);
1208	XRenderFreePicture (dpy, back_pic);	998	XRenderFreePicture (dpy, back_pic);
		999	}
1209	# endif	1000	# endif
1210	}
1211		1001
1212	return ret;	1002	return ret;
1213	}	1003	}
1214		1004
1215	/*	1005	/*
1216	* 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
1217	* 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
1218	* our window.	1008	* our window.
1219	*/	1009	*/
1220	unsigned long	1010	bool
1221	rxvt_term::make_transparency_pixmap ()	1011	rxvt_term::make_transparency_pixmap ()
1222	{	1012	{
1223	unsigned long result = 0;	1013	bool ret = false;
1224		1014
1225	/* 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
1226	* be always up-to-date, so let's use it :	1016	* be always up-to-date, so let's use it :
1227	*/	1017	*/
1228	int screen = display->screen;	1018	int screen = display->screen;
…		…
1266	#if XRENDER	1056	#if XRENDER
1267	if (bg_flags & BG_HAS_RENDER)	1057	if (bg_flags & BG_HAS_RENDER)
1268	{	1058	{
1269	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);
1270		1060
1271	XRenderPictureAttributes pa;
1272
1273	XRenderPictFormat *src_format = XRenderFindVisualFormat (dpy, DefaultVisual (dpy, screen));	1061	XRenderPictFormat *src_format = XRenderFindVisualFormat (dpy, DefaultVisual (dpy, screen));
1274	Picture src = XRenderCreatePicture (dpy, root_pixmap, src_format, 0, &pa);	1062	Picture src = XRenderCreatePicture (dpy, root_pixmap, src_format, 0, 0);
1275		1063
1276	XRenderPictFormat *dst_format = XRenderFindVisualFormat (dpy, visual);	1064	XRenderPictFormat *dst_format = XRenderFindVisualFormat (dpy, visual);
1277	Picture dst = XRenderCreatePicture (dpy, recoded_root_pmap, dst_format, 0, &pa);	1065	Picture dst = XRenderCreatePicture (dpy, recoded_root_pmap, dst_format, 0, 0);
1278		1066
1279	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);
1280		1068
1281	XRenderFreePicture (dpy, src);	1069	XRenderFreePicture (dpy, src);
1282	XRenderFreePicture (dpy, dst);	1070	XRenderFreePicture (dpy, dst);
…		…
1299	bg_pmap_width = window_width;	1087	bg_pmap_width = window_width;
1300	bg_pmap_height = window_height;	1088	bg_pmap_height = window_height;
1301	}	1089	}
1302		1090
1303	/* straightforward pixmap copy */	1091	/* straightforward pixmap copy */
1304	while (sx < 0) sx += root_width;	1092	while (sx < 0) sx += root_pmap_width;
1305	while (sy < 0) sy += root_height;	1093	while (sy < 0) sy += root_pmap_height;
1306		1094
1307	gcv.tile = recoded_root_pmap;	1095	gcv.tile = recoded_root_pmap;
1308	gcv.fill_style = FillTiled;	1096	gcv.fill_style = FillTiled;
1309	gcv.ts_x_origin = -sx;	1097	gcv.ts_x_origin = -sx;
1310	gcv.ts_y_origin = -sy;	1098	gcv.ts_y_origin = -sy;
1311	gc = XCreateGC (dpy, vt, GCFillStyle | GCTile | GCTileStipXOrigin | GCTileStipYOrigin, &gcv);	1099	gc = XCreateGC (dpy, vt, GCFillStyle | GCTile | GCTileStipXOrigin | GCTileStipYOrigin, &gcv);
1312		1100
1313	if (gc)	1101	if (gc)
1314	{	1102	{
1315	XFillRectangle (dpy, bg_pixmap, gc, 0, 0, window_width, window_height);	1103	XFillRectangle (dpy, bg_pixmap, gc, 0, 0, window_width, window_height);
1316	result |= BG_IS_VALID | (bg_flags & BG_EFFECTS_FLAGS);	1104	ret = true;
1317	XFreeGC (dpy, gc);	1105	bool need_blur = h_blurRadius && v_blurRadius;
		1106	bool need_tint = shade != 100 || (bg_flags & BG_TINT_SET);
1318		1107
1319	if (!(bg_flags & BG_CLIENT_RENDER))	1108	if (!(bg_flags & BG_CLIENT_RENDER))
1320	{	1109	{
1321	if ((bg_flags & BG_NEEDS_BLUR)	1110	if (need_blur)
1322	&& (bg_flags & BG_HAS_RENDER_CONV))
1323	{	1111	{
1324	if (blur_pixmap (bg_pixmap, visual, window_width, window_height))	1112	if (blur_pixmap (bg_pixmap, window_width, window_height))
1325	result &= ~BG_NEEDS_BLUR;	1113	need_blur = false;
1326	}	1114	}
1327	if ((bg_flags & BG_NEEDS_TINT)	1115	if (need_tint)
1328	&& (bg_flags & (BG_TINT_BITAND | BG_HAS_RENDER)))
1329	{	1116	{
1330	if (tint_pixmap (bg_pixmap, visual, window_width, window_height))	1117	if (tint_pixmap (bg_pixmap, window_width, window_height))
1331	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	}
1332	}	1131	}
1333	} /* server side rendering completed */	1132	} /* server side rendering completed */
		1133
		1134	XFreeGC (dpy, gc);
1334	}	1135	}
1335		1136
1336	if (recoded_root_pmap != root_pixmap)	1137	if (recoded_root_pmap != root_pixmap)
1337	XFreePixmap (dpy, recoded_root_pmap);	1138	XFreePixmap (dpy, recoded_root_pmap);
1338		1139
1339	return result;	1140	return ret;
1340	}	1141	}
1341		1142
1342	void	1143	void
1343	rxvt_term::bg_set_root_pixmap ()	1144	rxvt_term::bg_set_root_pixmap ()
1344	{	1145	{
…		…
1348		1149
1349	root_pixmap = new_root_pixmap;	1150	root_pixmap = new_root_pixmap;
1350	}	1151	}
1351	# endif /* ENABLE_TRANSPARENCY */	1152	# endif /* ENABLE_TRANSPARENCY */
1352		1153
1353	#if defined(ENABLE_TRANSPARENCY) && !defined(HAVE_AFTERIMAGE)
1354	static void shade_ximage (Visual *visual, XImage *ximage, int shade, const rgba &c);
1355	# endif
1356
1357	bool	1154	bool
1358	rxvt_term::bg_render ()	1155	rxvt_term::bg_render ()
1359	{	1156	{
1360	unsigned long tr_flags = 0;
1361
1362	bg_invalidate ();	1157	bg_invalidate ();
1363	# ifdef ENABLE_TRANSPARENCY	1158	# ifdef ENABLE_TRANSPARENCY
1364	if (bg_flags & BG_IS_TRANSPARENT)	1159	if (bg_flags & BG_IS_TRANSPARENT)
1365	{	1160	{
1366	/* we need to re-generate transparency pixmap in that case ! */	1161	/* we need to re-generate transparency pixmap in that case ! */
1367	tr_flags = make_transparency_pixmap ();	1162	if (make_transparency_pixmap ())
1368	if (tr_flags == 0)
1369	return false;
1370	else if (!(tr_flags & BG_EFFECTS_FLAGS))
1371	bg_flags |= BG_IS_VALID;	1163	bg_flags |= BG_IS_VALID;
1372	}	1164	}
1373	# endif	1165	# endif
1374		1166
1375	# ifdef BG_IMAGE_FROM_FILE	1167	# ifdef BG_IMAGE_FROM_FILE
1376	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++)
1377	|| (tr_flags & BG_EFFECTS_FLAGS))
1378	{	1169	{
1379	if (render_image (tr_flags))	1170	if (render_image (*bg_image))
1380	bg_flags |= BG_IS_VALID;	1171	bg_flags |= BG_IS_VALID;
1381	}
1382	# endif
1383
1384	# if defined(ENABLE_TRANSPARENCY) && !defined(HAVE_AFTERIMAGE)
1385	XImage *result = NULL;
1386
1387	if (tr_flags && !(bg_flags & BG_IS_VALID))
1388	{
1389	result = XGetImage (dpy, bg_pixmap, 0, 0, bg_pmap_width, bg_pmap_height, AllPlanes, ZPixmap);
1390	}
1391
1392	if (result)
1393	{
1394	/* our own client-side tinting */
1395	if (tr_flags & BG_NEEDS_TINT)
1396	{
1397	rgba c (rgba::MAX_CC,rgba::MAX_CC,rgba::MAX_CC);
1398	if (bg_flags & BG_TINT_SET)
1399	tint.get (c);
1400	shade_ximage (DefaultVisual (dpy, display->screen), result, shade, c);
1401	}
1402
1403	GC gc = XCreateGC (dpy, vt, 0UL, NULL);
1404
1405	if (gc)
1406	{
1407	XPutImage (dpy, bg_pixmap, gc, result, 0, 0, 0, 0, result->width, result->height);
1408
1409	XFreeGC (dpy, gc);
1410	bg_flags |= BG_IS_VALID;
1411	}
1412
1413	XDestroyImage (result);
1414	}	1172	}
1415	# endif	1173	# endif
1416		1174
1417	if (!(bg_flags & BG_IS_VALID))	1175	if (!(bg_flags & BG_IS_VALID))
1418	{	1176	{
…		…
1451	bg_flags |= BG_HAS_RENDER_CONV;	1209	bg_flags |= BG_HAS_RENDER_CONV;
1452		1210
1453	XFree (filters);	1211	XFree (filters);
1454	}	1212	}
1455	#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
1456	}	1239	}
1457		1240
1458	#endif /* HAVE_BG_PIXMAP */	1241	#endif /* HAVE_BG_PIXMAP */
1459		1242
1460	#if defined(ENABLE_TRANSPARENCY) && !defined(HAVE_AFTERIMAGE)	1243	#ifdef ENABLE_TRANSPARENCY
1461	/* taken from aterm-0.4.2 */	1244	/* based on code from aterm-0.4.2 */
1462		1245
1463	static void	1246	static inline void
1464	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)
1465	{	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;
1466	int sh_r, sh_g, sh_b;	1262	int sh_r, sh_g, sh_b;
1467	uint32_t mask_r, mask_g, mask_b;	1263	uint32_t mask_r, mask_g, mask_b;
1468	uint32_t *lookup, *lookup_r, *lookup_g, *lookup_b;	1264	uint32_t *lookup, *lookup_r, *lookup_g, *lookup_b;
1469	rgba low;	1265	unsigned short low;
1470	rgba high;
1471	int i;
1472	int host_byte_order = ecb_big_endian () ? MSBFirst : LSBFirst;	1266	int host_byte_order = ecb_big_endian () ? MSBFirst : LSBFirst;
1473		1267
1474	if (visual->c_class != TrueColor || ximage->format != ZPixmap) return;	1268	if (visual->c_class != TrueColor || ximage->format != ZPixmap) return;
1475		1269
1476	/* for convenience */	1270	/* for convenience */
1477	mask_r = visual->red_mask;	1271	mask_r = visual->red_mask;
1478	mask_g = visual->green_mask;	1272	mask_g = visual->green_mask;
1479	mask_b = visual->blue_mask;	1273	mask_b = visual->blue_mask;
1480		1274
1481	/* boring lookup table pre-initialization */	1275	/* boring lookup table pre-initialization */
1482	switch (ximage->depth)	1276	sh_r = ecb_ctz32 (mask_r);
1483	{	1277	sh_g = ecb_ctz32 (mask_g);
1484	case 15:	1278	sh_b = ecb_ctz32 (mask_b);
1485	if ((mask_r != 0x7c00) ||	1279
1486	(mask_g != 0x03e0) ||	1280	size_r = mask_r >> sh_r;
1487	(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)
1488	return;	1285	return;
1489	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));
1490	lookup_r = lookup;	1288	lookup_r = lookup;
1491	lookup_g = lookup+32;	1289	lookup_g = lookup + size_r;
1492	lookup_b = lookup+32+32;	1290	lookup_b = lookup + size_r + size_g;
1493	sh_r = 10;	1291
1494	sh_g = 5;	1292	rgba c (rgba::MAX_CC, rgba::MAX_CC, rgba::MAX_CC);
1495	sh_b = 0;	1293
1496	break;	1294	if (bg_flags & BG_TINT_SET)
1497	case 16:	1295	tint.get (c);
1498	if ((mask_r != 0xf800) ||
1499	(mask_g != 0x07e0) ||
1500	(mask_b != 0x001f))
1501	return;
1502	lookup = (uint32_t *) malloc (sizeof (uint32_t)*(32+64+32));
1503	lookup_r = lookup;
1504	lookup_g = lookup+32;
1505	lookup_b = lookup+32+64;
1506	sh_r = 11;
1507	sh_g = 5;
1508	sh_b = 0;
1509	break;
1510	case 24:
1511	if ((mask_r != 0xff0000) ||
1512	(mask_g != 0x00ff00) ||
1513	(mask_b != 0x0000ff))
1514	return;
1515	lookup = (uint32_t *) malloc (sizeof (uint32_t)*(256+256+256));
1516	lookup_r = lookup;
1517	lookup_g = lookup+256;
1518	lookup_b = lookup+256+256;
1519	sh_r = 16;
1520	sh_g = 8;
1521	sh_b = 0;
1522	break;
1523	case 32:
1524	if ((mask_r != 0xff0000) ||
1525	(mask_g != 0x00ff00) ||
1526	(mask_b != 0x0000ff))
1527	return;
1528	lookup = (uint32_t *) malloc (sizeof (uint32_t)*(256+256+256));
1529	lookup_r = lookup;
1530	lookup_g = lookup+256;
1531	lookup_b = lookup+256+256;
1532	sh_r = 16;
1533	sh_g = 8;
1534	sh_b = 0;
1535	break;
1536	default:
1537	return; /* we do not support this color depth */
1538	}
1539		1296
1540	/* prepare limits for color transformation (each channel is handled separately) */	1297	/* prepare limits for color transformation (each channel is handled separately) */
1541	if (shade > 100)	1298	if (shade > 100)
1542	{	1299	{
1543	shade = 200 - shade;
1544
1545	high.r = c.r * shade / 100;
1546	high.g = c.g * shade / 100;
1547	high.b = c.b * shade / 100;
1548
1549	low.r = 65535 * (100 - shade) / 100;	1300	c.r = c.r * (200 - shade) / 100;
1550	low.g = 65535 * (100 - shade) / 100;	1301	c.g = c.g * (200 - shade) / 100;
1551	low.b = 65535 * (100 - shade) / 100;	1302	c.b = c.b * (200 - shade) / 100;
		1303
		1304	low = 0xffff * (shade - 100) / 100;
1552	}	1305	}
1553	else	1306	else
1554	{	1307	{
1555	high.r = c.r * shade / 100;	1308	c.r = c.r * shade / 100;
1556	high.g = c.g * shade / 100;	1309	c.g = c.g * shade / 100;
1557	high.b = c.b * shade / 100;	1310	c.b = c.b * shade / 100;
1558		1311
1559	low.r = low.g = low.b = 0;	1312	low = 0;
1560	}	1313	}
1561		1314
1562	/* fill our lookup tables */	1315	/* fill our lookup tables */
1563	for (i = 0; i <= mask_r>>sh_r; i++)	1316	fill_lut (lookup_r, mask_r, sh_r, low, c.r);
1564	{	1317	fill_lut (lookup_g, mask_g, sh_g, low, c.g);
1565	uint32_t tmp;	1318	fill_lut (lookup_b, mask_b, sh_b, low, c.b);
1566	tmp = i * high.r;
1567	tmp += (mask_r>>sh_r) * low.r;
1568	lookup_r[i] = (tmp/65535)<<sh_r;
1569	}
1570	for (i = 0; i <= mask_g>>sh_g; i++)
1571	{
1572	uint32_t tmp;
1573	tmp = i * high.g;
1574	tmp += (mask_g>>sh_g) * low.g;
1575	lookup_g[i] = (tmp/65535)<<sh_g;
1576	}
1577	for (i = 0; i <= mask_b>>sh_b; i++)
1578	{
1579	uint32_t tmp;
1580	tmp = i * high.b;
1581	tmp += (mask_b>>sh_b) * low.b;
1582	lookup_b[i] = (tmp/65535)<<sh_b;
1583	}
1584		1319
1585	/* apply table to input image (replacing colors by newly calculated ones) */	1320	/* apply table to input image (replacing colors by newly calculated ones) */
1586	if (ximage->bits_per_pixel == 32	1321	if (ximage->bits_per_pixel == 32
1587	&& (ximage->depth == 24 || ximage->depth == 32)
1588	&& ximage->byte_order == host_byte_order)	1322	&& ximage->byte_order == host_byte_order)
1589	{	1323	{
1590	uint32_t *p1, *pf, *p, *pl;	1324	char *line = ximage->data;
1591	p1 = (uint32_t *) ximage->data;
1592	pf = (uint32_t *) (ximage->data + ximage->height * ximage->bytes_per_line);
1593		1325
1594	while (p1 < pf)	1326	for (int y = 0; y < ximage->height; y++)
1595	{	1327	{
1596	p = p1;	1328	uint32_t *p = (uint32_t *)line;
1597	pl = p1 + ximage->width;	1329	for (int x = 0; x < ximage->width; x++)
1598	for (; p < pl; p++)
1599	{	1330	{
1600	*p = lookup_r[(*p & 0xff0000) >> 16] |	1331	*p = lookup_r[(*p & mask_r) >> sh_r] |
1601	lookup_g[(*p & 0x00ff00) >> 8] |	1332	lookup_g[(*p & mask_g) >> sh_g] |
1602	lookup_b[(*p & 0x0000ff)] |	1333	lookup_b[(*p & mask_b) >> sh_b];
1603	(*p & 0xff000000);	1334	p++;
1604	}	1335	}
1605	p1 = (uint32_t *) ((char *) p1 + ximage->bytes_per_line);	1336	line += ximage->bytes_per_line;
1606	}	1337	}
1607	}	1338	}
1608	else	1339	else
1609	{	1340	{
1610	for (int y = 0; y < ximage->height; y++)	1341	for (int y = 0; y < ximage->height; y++)
…		…
1618	}	1349	}
1619	}	1350	}
1620		1351
1621	free (lookup);	1352	free (lookup);
1622	}	1353	}
1623	#endif /* defined(ENABLE_TRANSPARENCY) && !defined(HAVE_AFTERIMAGE) */	1354	#endif /* ENABLE_TRANSPARENCY */

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