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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 1.231 by sf-exg, Sun Jun 3 17:48:28 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 (is_size_sensitive ())
		309	flags |= IM_IS_SIZE_SENSITIVE;
		310	else
		311	flags &= ~IM_IS_SIZE_SENSITIVE;
		312
348	return changed;	313	return changed;
349	}	314	}
350		315
351	void	316	void
352	rxvt_term::get_image_geometry (int image_width, int image_height, int &w, int &h, int &x, int &y)	317	rxvt_term::get_image_geometry (rxvt_image &image, int &w, int &h, int &x, int &y)
353	{	318	{
		319	int image_width = image.width ();
		320	int image_height = image.height ();
354	int target_width = szHint.width;	321	int target_width = szHint.width;
355	int target_height = szHint.height;	322	int target_height = szHint.height;
		323	int h_scale = min (image.h_scale, 32767 * 100 / target_width);
		324	int v_scale = min (image.v_scale, 32767 * 100 / target_height);
356		325
357	if (bg_flags & BG_PROP_SCALE)	326	w = h_scale * target_width / 100;
		327	h = v_scale * target_height / 100;
		328
		329	if (image.flags & IM_KEEP_ASPECT)
358	{	330	{
359	float scale = (float)target_width / image_width;	331	float scale = (float)w / image_width;
360	min_it (scale, (float)target_height / image_height);	332	min_it (scale, (float)h / image_height);
361	w = image_width * scale + 0.5;	333	w = image_width * scale + 0.5;
362	h = image_height * scale + 0.5;	334	h = image_height * scale + 0.5;
363	}	335	}
364	else
365	{
366	w = h_scale * target_width / 100;
367	h = v_scale * target_height / 100;
368	}
369		336
370	if (!w) w = image_width;	337	if (!w) w = image_width;
371	if (!h) h = image_height;	338	if (!h) h = image_height;
372		339
373	if (bg_flags & BG_ROOT_ALIGN)	340	if (image.flags & IM_ROOT_ALIGN)
374	{	341	{
375	x = -target_x;	342	x = -target_x;
376	y = -target_y;	343	y = -target_y;
377	}	344	}
378	else	345	else
379	{	346	{
380	x = make_align_position (h_align, target_width, w);	347	x = make_align_position (image.h_align, target_width, w);
381	y = make_align_position (v_align, target_height, h);	348	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	{	349	}
407	ShadingInfo as_shade;	350	}
408	as_shade.shading = shade;
409		351
410	rgba c (rgba::MAX_CC,rgba::MAX_CC,rgba::MAX_CC);	352	# ifdef HAVE_PIXBUF
411	if (bg_flags & BG_TINT_SET)	353	bool
412	tint.get (c);	354	rxvt_term::pixbuf_to_pixmap (GdkPixbuf *pixbuf, Pixmap pixmap, GC gc,
413	as_shade.tintColor.red = c.r;	355	int src_x, int src_y, int dst_x, int dst_y,
414	as_shade.tintColor.green = c.g;	356	unsigned int width, unsigned int height, bool argb)
415	as_shade.tintColor.blue = c.b;	357	{
		358	XImage *ximage;
		359	char *line;
		360	int width_r, width_g, width_b, width_a;
		361	int sh_r, sh_g, sh_b, sh_a;
		362	uint32_t red_mask, green_mask, blue_mask, alpha_mask;
		363	int rowstride;
		364	int channels;
		365	unsigned char *row;
416		366
417	background_tint = shading2tint32 (&as_shade);	367	if (visual->c_class != TrueColor)
		368	return false;
		369
		370	if (argb)
418	}	371	{
419		372	red_mask = 0xff << 16;
420	if ((tr_flags & BG_NEEDS_BLUR) && background != NULL)	373	green_mask = 0xff << 8;
		374	blue_mask = 0xff;
		375	alpha_mask = 0xff << 24;
421	{	376	}
422	ASImage *tmp = blur_asimage_gauss (asv, background, h_blurRadius, v_blurRadius, 0xFFFFFFFF,	377	else
423	(original_asim == NULL || tint == TINT_LEAVE_SAME) ? ASA_XImage : ASA_ASImage,	378	{
424	100, ASIMAGE_QUALITY_DEFAULT);	379	red_mask = visual->red_mask;
		380	green_mask = visual->green_mask;
		381	blue_mask = visual->blue_mask;
		382	#if XRENDER
		383	XRenderPictFormat *format = XRenderFindVisualFormat (dpy, visual);
425	if (tmp)	384	if (format)
426	{	385	alpha_mask = (uint32_t)format->direct.alphaMask << format->direct.alpha;
427	destroy_asimage (&background);	386	else
428	background = tmp;	387	#endif
		388	alpha_mask = 0;
		389	}
		390
		391	width_r = ecb_popcount32 (red_mask);
		392	width_g = ecb_popcount32 (green_mask);
		393	width_b = ecb_popcount32 (blue_mask);
		394	width_a = ecb_popcount32 (alpha_mask);
		395
		396	if (width_r > 8 || width_g > 8 || width_b > 8 || width_a > 8)
		397	return false;
		398
		399	sh_r = ecb_ctz32 (red_mask);
		400	sh_g = ecb_ctz32 (green_mask);
		401	sh_b = ecb_ctz32 (blue_mask);
		402	sh_a = ecb_ctz32 (alpha_mask);
		403
		404	if (width > 32767 || height > 32767)
		405	return false;
		406
		407	ximage = XCreateImage (dpy, visual, argb ? 32 : depth, ZPixmap, 0, 0,
		408	width, height, 32, 0);
		409	if (!ximage)
		410	return false;
		411
		412	if (height > INT_MAX / ximage->bytes_per_line
		413	|| !(ximage->data = (char *)malloc (height * ximage->bytes_per_line)))
		414	{
		415	XDestroyImage (ximage);
		416	return false;
		417	}
		418
		419	ximage->byte_order = ecb_big_endian () ? MSBFirst : LSBFirst;
		420
		421	rowstride = gdk_pixbuf_get_rowstride (pixbuf);
		422	channels = gdk_pixbuf_get_n_channels (pixbuf);
		423	row = gdk_pixbuf_get_pixels (pixbuf) + src_y * rowstride + src_x * channels;
		424	line = ximage->data;
		425
		426	rgba c (0, 0, 0);
		427
		428	if (channels == 4 && alpha_mask == 0)
		429	{
		430	pix_colors[Color_bg].get (c);
		431	c.r >>= 8;
		432	c.g >>= 8;
		433	c.b >>= 8;
		434	}
		435
		436	for (int y = 0; y < height; y++)
		437	{
		438	for (int x = 0; x < width; x++)
429	}	439	{
430	}	440	unsigned char *pixel = row + x * channels;
431	# endif	441	uint32_t value;
		442	unsigned char r, g, b, a;
432		443
433	ASImage *result = 0;	444	if (channels == 4)
		445	{
		446	a = pixel[3];
		447	r = (pixel[0] * a + c.r * (0xff - a)) / 0xff;
		448	g = (pixel[1] * a + c.g * (0xff - a)) / 0xff;
		449	b = (pixel[2] * a + c.b * (0xff - a)) / 0xff;
		450	}
		451	else
		452	{
		453	a = 0xff;
		454	r = pixel[0];
		455	g = pixel[1];
		456	b = pixel[2];
		457	}
		458
		459	value = ((r >> (8 - width_r)) << sh_r)
		460	| ((g >> (8 - width_g)) << sh_g)
		461	| ((b >> (8 - width_b)) << sh_b)
		462	| ((a >> (8 - width_a)) << sh_a);
		463
		464	if (ximage->bits_per_pixel == 32)
		465	((uint32_t *)line)[x] = value;
		466	else
		467	XPutPixel (ximage, x, y, value);
		468	}
		469
		470	row += rowstride;
		471	line += ximage->bytes_per_line;
		472	}
		473
		474	XPutImage (dpy, pixmap, gc, ximage, 0, 0, dst_x, dst_y, width, height);
		475	XDestroyImage (ximage);
		476	return true;
		477	}
		478
		479	bool
		480	rxvt_term::render_image (rxvt_image &image)
		481	{
		482	GdkPixbuf *pixbuf = image.pixbuf;
		483	if (!pixbuf)
		484	return false;
		485
		486	bool need_blend = bg_flags & BG_IS_VALID;
		487
		488	if (need_blend
		489	&& !(display->flags & DISPLAY_HAS_RENDER))
		490	return false;
		491
		492	GdkPixbuf *result;
		493
		494	int image_width = gdk_pixbuf_get_width (pixbuf);
		495	int image_height = gdk_pixbuf_get_height (pixbuf);
434		496
435	int target_width = szHint.width;	497	int target_width = szHint.width;
436	int target_height = szHint.height;	498	int target_height = szHint.height;
437	int new_pmap_width = target_width;	499	int new_pmap_width = target_width;
438	int new_pmap_height = target_height;	500	int new_pmap_height = target_height;
…		…
440	int x = 0;	502	int x = 0;
441	int y = 0;	503	int y = 0;
442	int w = 0;	504	int w = 0;
443	int h = 0;	505	int h = 0;
444		506
445	if (original_asim)	507	get_image_geometry (image, w, h, x, y);
446	get_image_geometry (original_asim->width, original_asim->height, w, h, x, y);
447		508
448	if (!original_asim	509	if (!(image.flags & IM_ROOT_ALIGN)
449	|| (!(bg_flags & BG_ROOT_ALIGN)
450	&& (x >= target_width	510	&& (x >= target_width
451	|| y >= target_height	511	|| y >= target_height
452	|| (x + w <= 0)	512	|| x + w <= 0
453	|| (y + h <= 0))))	513	|| y + h <= 0))
454	{	514	return false;
455	if (background)
456	{
457	new_pmap_width = background->width;
458	new_pmap_height = background->height;
459	result = background;
460		515
461	if (background_tint != TINT_LEAVE_SAME)	516	result = pixbuf;
462	{	517
463	ASImage *tmp = tile_asimage (asv, background, 0, 0,	518	if (w != image_width
464	target_width, target_height, background_tint,	519	|| h != image_height)
465	ASA_XImage, 100, ASIMAGE_QUALITY_DEFAULT);
466	if (tmp)
467	result = tmp;
468	}
469	}
470	else
471	new_pmap_width = new_pmap_height = 0;
472	}	520	{
		521	result = gdk_pixbuf_scale_simple (pixbuf,
		522	w, h,
		523	GDK_INTERP_BILINEAR);
		524	}
		525
		526	if (!result)
		527	return false;
		528
		529	bool ret = false;
		530
		531	XGCValues gcv;
		532	GC gc;
		533	Pixmap tmp_pixmap;
		534
		535	image_width = gdk_pixbuf_get_width (result);
		536	image_height = gdk_pixbuf_get_height (result);
		537
		538	if (need_blend)
		539	tmp_pixmap = XCreatePixmap (dpy, vt, new_pmap_width, new_pmap_height, 32);
473	else	540	else
474	{	541	{
475	result = original_asim;	542	// optimise bg pixmap size when tiling, but only if there are no
476		543	// other pixbufs to render. Otherwise, the bg pixmap size must
477	if ((w != original_asim->width)	544	// be equal to the window size.
478	|| (h != original_asim->height))	545	if ((image.flags & IM_TILE)
479	{	546	&& image_vec.size () == 1)
480	result = scale_asimage (asv, original_asim,
481	w, h,
482	background ? ASA_ASImage : ASA_XImage,
483	100, ASIMAGE_QUALITY_DEFAULT);
484	}	547	{
485		548	new_pmap_width = min (image_width, target_width);
486	if (background == NULL)	549	new_pmap_height = min (image_height, target_height);
487	{	550	}
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		551
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	552	if (bg_pixmap == None
580	|| bg_pmap_width != new_pmap_width	553	|| bg_pmap_width != new_pmap_width
581	|| bg_pmap_height != new_pmap_height)	554	|| bg_pmap_height != new_pmap_height)
582	{	555	{
583	if (bg_pixmap)	556	if (bg_pixmap)
584	XFreePixmap (dpy, bg_pixmap);	557	XFreePixmap (dpy, bg_pixmap);
585	bg_pixmap = XCreatePixmap (dpy, vt, new_pmap_width, new_pmap_height, depth);	558	bg_pixmap = XCreatePixmap (dpy, vt, new_pmap_width, new_pmap_height, depth);
586	bg_pmap_width = new_pmap_width;	559	bg_pmap_width = new_pmap_width;
587	bg_pmap_height = new_pmap_height;	560	bg_pmap_height = new_pmap_height;
588	}	561	}
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		562
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;	563	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	}	564	}
792		565
793	gcv.foreground = pix_colors[Color_bg];	566	gcv.foreground = pix_colors[Color_bg];
794	gc = XCreateGC (dpy, vt, GCForeground, &gcv);	567	gc = XCreateGC (dpy, tmp_pixmap, GCForeground, &gcv);
795		568
796	if (gc)	569	if (gc)
797	{	570	{
798	if (bg_flags & BG_TILE)	571	if (image.flags & IM_TILE)
799	{	572	{
800	Pixmap tile = XCreatePixmap (dpy, vt, image_width, image_height, depth);	573	Pixmap tile = XCreatePixmap (dpy, vt, image_width, image_height, need_blend ? 32 : depth);
801	pixbuf_to_pixmap (result, tile, gc,	574	pixbuf_to_pixmap (result, tile, gc,
802	0, 0,	575	0, 0,
803	0, 0,	576	0, 0,
804	image_width, image_height);	577	image_width, image_height, need_blend);
805		578
806	gcv.tile = tile;	579	gcv.tile = tile;
807	gcv.fill_style = FillTiled;	580	gcv.fill_style = FillTiled;
808	gcv.ts_x_origin = x;	581	gcv.ts_x_origin = x;
809	gcv.ts_y_origin = y;	582	gcv.ts_y_origin = y;
810	XChangeGC (dpy, gc, GCFillStyle | GCTile | GCTileStipXOrigin | GCTileStipYOrigin, &gcv);	583	XChangeGC (dpy, gc, GCFillStyle | GCTile | GCTileStipXOrigin | GCTileStipYOrigin, &gcv);
811		584
812	XFillRectangle (dpy, bg_pixmap, gc, 0, 0, new_pmap_width, new_pmap_height);	585	XFillRectangle (dpy, tmp_pixmap, gc, 0, 0, new_pmap_width, new_pmap_height);
813	XFreePixmap (dpy, tile);	586	XFreePixmap (dpy, tile);
814	}	587	}
815	else	588	else
816	{	589	{
817	int src_x, src_y, dst_x, dst_y;	590	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);	594	src_y = make_clip_rectangle (y, image_height, new_pmap_height, dst_y, dst_height);
822		595
823	if (dst_x > 0 || dst_y > 0	596	if (dst_x > 0 || dst_y > 0
824	|| dst_x + dst_width < new_pmap_width	597	|| dst_x + dst_width < new_pmap_width
825	|| dst_y + dst_height < new_pmap_height)	598	|| dst_y + dst_height < new_pmap_height)
826	XFillRectangle (dpy, bg_pixmap, gc, 0, 0, new_pmap_width, new_pmap_height);	599	XFillRectangle (dpy, tmp_pixmap, gc, 0, 0, new_pmap_width, new_pmap_height);
827		600
828	if (dst_x < new_pmap_width && dst_y < new_pmap_height)	601	if (dst_x < new_pmap_width && dst_y < new_pmap_height)
829	pixbuf_to_pixmap (result, bg_pixmap, gc,	602	pixbuf_to_pixmap (result, tmp_pixmap, gc,
830	src_x, src_y,	603	src_x, src_y,
831	dst_x, dst_y,	604	dst_x, dst_y,
832	dst_width, dst_height);	605	dst_width, dst_height, need_blend);
833	}	606	}
		607
		608	if (image.need_blur ())
		609	blur_pixmap (tmp_pixmap, new_pmap_width, new_pmap_height, need_blend, image.h_blurRadius, image.v_blurRadius);
		610	if (image.need_tint ())
		611	tint_pixmap (tmp_pixmap, new_pmap_width, new_pmap_height, need_blend, image.tint, image.tint_set, image.shade);
834		612
835	#if XRENDER	613	#if XRENDER
836	if (tr_flags)	614	if (need_blend)
837	{	615	{
838	XRenderPictureAttributes pa;	616	XRenderPictFormat *argb_format = XRenderFindStandardFormat (dpy, PictStandardARGB32);
839
840	XRenderPictFormat *src_format = XRenderFindVisualFormat (dpy, visual);	617	XRenderPictFormat *format = XRenderFindVisualFormat (dpy, visual);
		618
841	Picture src = XRenderCreatePicture (dpy, root_pmap, src_format, 0, &pa);	619	Picture src = XRenderCreatePicture (dpy, tmp_pixmap, argb_format, 0, 0);
842		620
843	XRenderPictFormat *dst_format = XRenderFindVisualFormat (dpy, visual);
844	Picture dst = XRenderCreatePicture (dpy, bg_pixmap, dst_format, 0, &pa);	621	Picture dst = XRenderCreatePicture (dpy, bg_pixmap, format, 0, 0);
845		622
846	pa.repeat = True;	623	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		624
852	XRenderColor mask_c;	625	XRenderColor mask_c;
853		626
854	mask_c.alpha = 0x8000;	627	mask_c.alpha = image.alpha;
855	mask_c.red = 0;	628	mask_c.red =
856	mask_c.green = 0;	629	mask_c.green =
857	mask_c.blue = 0;	630	mask_c.blue = 0;
858	XRenderFillRectangle (dpy, PictOpSrc, mask, &mask_c, 0, 0, 1, 1);	631	XRenderFillRectangle (dpy, PictOpSrc, mask, &mask_c, 0, 0, 1, 1);
		632
859	XRenderComposite (dpy, PictOpOver, src, mask, dst, 0, 0, 0, 0, 0, 0, target_width, target_height);	633	XRenderComposite (dpy, PictOpOver, src, mask, dst, 0, 0, 0, 0, 0, 0, target_width, target_height);
860		634
861	XRenderFreePicture (dpy, src);	635	XRenderFreePicture (dpy, src);
862	XRenderFreePicture (dpy, dst);	636	XRenderFreePicture (dpy, dst);
863	XRenderFreePicture (dpy, mask);	637	XRenderFreePicture (dpy, mask);
…		…
870	}	644	}
871		645
872	if (result != pixbuf)	646	if (result != pixbuf)
873	g_object_unref (result);	647	g_object_unref (result);
874		648
875	if (tr_flags)	649	if (need_blend)
876	XFreePixmap (dpy, root_pmap);	650	XFreePixmap (dpy, tmp_pixmap);
877		651
878	return ret;	652	return ret;
879	}	653	}
880	# endif /* HAVE_PIXBUF */	654	# endif /* HAVE_PIXBUF */
881		655
		656	# ifndef NO_RESOURCES
		657	static int
		658	rxvt_define_image (XrmDatabase *database ecb_unused,
		659	XrmBindingList bindings ecb_unused,
		660	XrmQuarkList quarks,
		661	XrmRepresentation *type ecb_unused,
		662	XrmValue *value,
		663	XPointer closure ecb_unused)
		664	{
		665	int size;
		666
		667	for (size = 0; quarks[size] != NULLQUARK; size++)
		668	;
		669
		670	if (size >= 2)
		671	{
		672	int id = strtol (XrmQuarkToString (quarks[size-2]), 0, 0);
		673	if (id >= 1)
		674	GET_R->parse_image (id, XrmQuarkToString (quarks[size-1]), (char *)value->addr);
		675	}
		676	return False;
		677	}
		678	# endif
		679
		680	void
		681	rxvt_term::parse_image (int id, const char *type, const char *arg)
		682	{
		683	if (image_vec.size () < id + 1)
		684	image_vec.resize (id + 1);
		685
		686	rxvt_image *image = &image_vec[id];
		687	}
		688
		689	rxvt_image::rxvt_image ()
		690	{
		691	alpha = 0xffff;
		692	flags = 0;
		693	h_scale =
		694	v_scale = defaultScale;
		695	h_align =
		696	v_align = defaultAlign;
		697
		698	# ifdef HAVE_PIXBUF
		699	pixbuf = 0;
		700	# endif
		701	}
		702
882	bool	703	bool
883	rxvt_term::bg_set_file (const char *file)	704	rxvt_image::set_file_geometry (const char *file)
884	{	705	{
885	if (!file || !*file)	706	if (!file || !*file)
886	return false;	707	return false;
887		708
888	if (const char *p = strchr (file, ';'))	709	const char *p = strchr (file, ';');
		710
		711	if (p)
889	{	712	{
890	size_t len = p - file;	713	size_t len = p - file;
891	char *f = rxvt_temp_buf<char> (len + 1);	714	char *f = rxvt_temp_buf<char> (len + 1);
892	memcpy (f, file, len);	715	memcpy (f, file, len);
893	f[len] = '\0';	716	f[len] = '\0';
894	file = f;	717	file = f;
895	}	718	}
896		719
897	# ifdef HAVE_AFTERIMAGE	720	bool ret = set_file (file);
898	if (!asimman)	721	alpha = 0x8000;
899	asimman = create_generic_imageman (rs[Rs_path]);	722	if (ret)
900	ASImage *image = get_asimage (asimman, file, 0xFFFFFFFF, 100);	723	set_geometry (p ? p + 1 : "");
901	if (image)	724	return ret;
902	{	725	}
903	if (original_asim)	726
904	safe_asimage_destroy (original_asim);	727	bool
905	original_asim = image;	728	rxvt_image::set_file (const char *file)
906	bg_flags |= BG_IS_FROM_FILE | BG_CLIENT_RENDER;	729	{
907	return true;	730	bool ret = false;
908	}
909	# endif
910		731
911	# ifdef HAVE_PIXBUF	732	# ifdef HAVE_PIXBUF
912	GdkPixbuf *image = gdk_pixbuf_new_from_file (file, NULL);	733	GdkPixbuf *image = gdk_pixbuf_new_from_file (file, NULL);
913	if (image)	734	if (image)
914	{	735	{
915	if (pixbuf)	736	if (pixbuf)
916	g_object_unref (pixbuf);	737	g_object_unref (pixbuf);
917	pixbuf = image;	738	pixbuf = image;
918	bg_flags |= BG_IS_FROM_FILE;
919	return true;	739	ret = true;
920	}	740	}
921	# endif	741	# endif
922		742
		743	if (ret)
		744	flags |= IM_IS_SET;
		745
923	return false;	746	return ret;
924	}	747	}
925		748
926	# endif /* BG_IMAGE_FROM_FILE */	749	# endif /* BG_IMAGE_FROM_FILE */
927		750
928	# ifdef ENABLE_TRANSPARENCY
929	bool	751	bool
930	rxvt_term::bg_set_transparent ()	752	image_effects::set_blur (const char *geom)
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
942	rxvt_term::bg_set_blur (const char *geom)
943	{	753	{
944	bool changed = false;	754	bool changed = false;
945	unsigned int hr, vr;	755	unsigned int hr, vr;
946	int junk;	756	int junk;
947	int geom_flags = XParseGeometry (geom, &junk, &junk, &hr, &vr);	757	int geom_flags = XParseGeometry (geom, &junk, &junk, &hr, &vr);
…		…
964	{	774	{
965	changed = true;	775	changed = true;
966	v_blurRadius = vr;	776	v_blurRadius = vr;
967	}	777	}
968		778
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;	779	return changed;
975	}	780	}
976		781
977	void
978	rxvt_term::set_tint_shade_flags ()
979	{
980	rgba c (rgba::MAX_CC,rgba::MAX_CC,rgba::MAX_CC);
981	bool has_shade = shade != 100;
982
983	bg_flags &= ~BG_TINT_FLAGS;
984
985	if (bg_flags & BG_TINT_SET)
986	{
987	tint.get (c);
988	if (!has_shade
989	&& (c.r <= 0x00ff || c.r >= 0xff00)
990	&& (c.g <= 0x00ff || c.g >= 0xff00)
991	&& (c.b <= 0x00ff || c.b >= 0xff00))
992	bg_flags |= BG_TINT_BITAND;
993	}
994
995	if (has_shade || (bg_flags & BG_TINT_SET))
996	bg_flags |= BG_NEEDS_TINT;
997	}
998
999	bool	782	bool
1000	rxvt_term::bg_set_tint (rxvt_color &new_tint)	783	image_effects::set_tint (const rxvt_color &new_tint)
1001	{	784	{
1002	if (!(bg_flags & BG_TINT_SET) || tint != new_tint)	785	if (!tint_set || tint != new_tint)
1003	{	786	{
1004	tint = new_tint;	787	tint = new_tint;
1005	bg_flags |= BG_TINT_SET;	788	tint_set = true;
1006	set_tint_shade_flags ();	789
1007	return true;	790	return true;
1008	}	791	}
1009		792
1010	return false;	793	return false;
1011	}	794	}
1012		795
1013	bool	796	bool
1014	rxvt_term::bg_set_shade (const char *shade_str)	797	image_effects::set_shade (const char *shade_str)
1015	{	798	{
1016	int new_shade = (shade_str) ? atoi (shade_str) : 100;	799	int new_shade = atoi (shade_str);
1017		800
1018	clamp_it (new_shade, -100, 200);	801	clamp_it (new_shade, -100, 200);
1019	if (new_shade < 0)	802	if (new_shade < 0)
1020	new_shade = 200 - (100 + new_shade);	803	new_shade = 200 - (100 + new_shade);
1021		804
1022	if (new_shade != shade)	805	if (new_shade != shade)
1023	{	806	{
1024	shade = new_shade;	807	shade = new_shade;
1025	set_tint_shade_flags ();
1026	return true;	808	return true;
1027	}	809	}
1028		810
1029	return false;	811	return false;
1030	}	812	}
…		…
1051	params[i+2] = XDoubleToFixed (kernel[i] / sum);	833	params[i+2] = XDoubleToFixed (kernel[i] / sum);
1052	}	834	}
1053	#endif	835	#endif
1054		836
1055	bool	837	bool
1056	rxvt_term::blur_pixmap (Pixmap pixmap, Visual *visual, int width, int height)	838	rxvt_term::blur_pixmap (Pixmap pixmap, int width, int height, bool argb, int h_blurRadius, int v_blurRadius)
1057	{	839	{
1058	bool ret = false;	840	bool ret = false;
1059	#if XRENDER	841	#if XRENDER
		842	if (!(display->flags & DISPLAY_HAS_RENDER_CONV))
		843	return false;
		844
1060	int size = max (h_blurRadius, v_blurRadius) * 2 + 1;	845	int size = max (h_blurRadius, v_blurRadius) * 2 + 1;
1061	double *kernel = (double *)malloc (size * sizeof (double));	846	double *kernel = (double *)malloc (size * sizeof (double));
1062	XFixed *params = (XFixed *)malloc ((size + 2) * sizeof (XFixed));	847	XFixed *params = (XFixed *)malloc ((size + 2) * sizeof (XFixed));
1063		848
1064	XRenderPictureAttributes pa;	849	XRenderPictureAttributes pa;
1065	XRenderPictFormat *format = XRenderFindVisualFormat (dpy, visual);	850	XRenderPictFormat *format = argb ? XRenderFindStandardFormat (dpy, PictStandardARGB32)
		851	: XRenderFindVisualFormat (dpy, visual);
1066		852
		853	pa.repeat = RepeatPad;
1067	Picture src = XRenderCreatePicture (dpy, pixmap, format, 0, &pa);	854	Picture src = XRenderCreatePicture (dpy, pixmap, format, CPRepeat, &pa);
		855	Pixmap tmp = XCreatePixmap (dpy, pixmap, width, height, depth);
1068	Picture dst = XRenderCreatePicture (dpy, pixmap, format, 0, &pa);	856	Picture dst = XRenderCreatePicture (dpy, tmp, format, CPRepeat, &pa);
		857	XFreePixmap (dpy, tmp);
1069		858
1070	if (kernel && params)	859	if (kernel && params)
1071	{	860	{
1072	if (h_blurRadius)
1073	{
1074	size = h_blurRadius * 2 + 1;	861	size = h_blurRadius * 2 + 1;
1075	get_gaussian_kernel (h_blurRadius, size, kernel, params);	862	get_gaussian_kernel (h_blurRadius, size, kernel, params);
1076		863
1077	XRenderSetPictureFilter (dpy, src, FilterConvolution, params, size+2);	864	XRenderSetPictureFilter (dpy, src, FilterConvolution, params, size+2);
1078	XRenderComposite (dpy,	865	XRenderComposite (dpy,
1079	PictOpSrc,	866	PictOpSrc,
1080	src,	867	src,
1081	None,	868	None,
1082	dst,	869	dst,
1083	0, 0,	870	0, 0,
1084	0, 0,	871	0, 0,
1085	0, 0,	872	0, 0,
1086	width, height);	873	width, height);
1087	}
1088		874
1089	if (v_blurRadius)	875	::swap (src, dst);
1090	{	876
1091	size = v_blurRadius * 2 + 1;	877	size = v_blurRadius * 2 + 1;
1092	get_gaussian_kernel (v_blurRadius, size, kernel, params);	878	get_gaussian_kernel (v_blurRadius, size, kernel, params);
1093	::swap (params[0], params[1]);	879	::swap (params[0], params[1]);
1094		880
1095	XRenderSetPictureFilter (dpy, src, FilterConvolution, params, size+2);	881	XRenderSetPictureFilter (dpy, src, FilterConvolution, params, size+2);
1096	XRenderComposite (dpy,	882	XRenderComposite (dpy,
1097	PictOpSrc,	883	PictOpSrc,
1098	src,	884	src,
1099	None,	885	None,
1100	dst,	886	dst,
1101	0, 0,	887	0, 0,
1102	0, 0,	888	0, 0,
1103	0, 0,	889	0, 0,
1104	width, height);	890	width, height);
1105	}
1106		891
1107	ret = true;	892	ret = true;
1108	}	893	}
1109		894
1110	free (kernel);	895	free (kernel);
…		…
1114	#endif	899	#endif
1115	return ret;	900	return ret;
1116	}	901	}
1117		902
1118	bool	903	bool
1119	rxvt_term::tint_pixmap (Pixmap pixmap, Visual *visual, int width, int height)	904	rxvt_term::tint_pixmap (Pixmap pixmap, int width, int height, bool argb, rxvt_color &tint, bool tint_set, int shade)
1120	{	905	{
1121	bool ret = false;	906	bool ret = false;
1122		907
1123	if (bg_flags & BG_TINT_BITAND)	908	rgba c (rgba::MAX_CC, rgba::MAX_CC, rgba::MAX_CC);
		909
		910	if (tint_set)
		911	tint.get (c);
		912
		913	if (shade == 100
		914	&& (c.r <= 0x00ff || c.r >= 0xff00)
		915	&& (c.g <= 0x00ff || c.g >= 0xff00)
		916	&& (c.b <= 0x00ff || c.b >= 0xff00))
1124	{	917	{
1125	XGCValues gcv;	918	XGCValues gcv;
1126	GC gc;	919	GC gc;
1127		920
1128	/* In this case we can tint image server-side getting significant	921	/* In this case we can tint image server-side getting significant
…		…
1137	XFillRectangle (dpy, pixmap, gc, 0, 0, width, height);	930	XFillRectangle (dpy, pixmap, gc, 0, 0, width, height);
1138	ret = true;	931	ret = true;
1139	XFreeGC (dpy, gc);	932	XFreeGC (dpy, gc);
1140	}	933	}
1141	}	934	}
1142	else
1143	{
1144	# if XRENDER	935	# if XRENDER
1145	rgba c (rgba::MAX_CC, rgba::MAX_CC, rgba::MAX_CC);	936	else if (display->flags & DISPLAY_HAS_RENDER)
1146		937	{
1147	if (bg_flags & BG_TINT_SET)
1148	tint.get (c);
1149
1150	if (shade <= 100)	938	if (shade <= 100)
1151	{	939	{
1152	c.r = c.r * shade / 100;	940	c.r = c.r * shade / 100;
1153	c.g = c.g * shade / 100;	941	c.g = c.g * shade / 100;
1154	c.b = c.b * shade / 100;	942	c.b = c.b * shade / 100;
…		…
1158	c.r = c.r * (200 - shade) / 100;	946	c.r = c.r * (200 - shade) / 100;
1159	c.g = c.g * (200 - shade) / 100;	947	c.g = c.g * (200 - shade) / 100;
1160	c.b = c.b * (200 - shade) / 100;	948	c.b = c.b * (200 - shade) / 100;
1161	}	949	}
1162		950
1163	XRenderPictFormat *solid_format = XRenderFindStandardFormat (dpy, PictStandardARGB32);	951	XRenderPictFormat *format = argb ? XRenderFindStandardFormat (dpy, PictStandardARGB32)
1164	XRenderPictFormat *format = XRenderFindVisualFormat (dpy, visual);	952	: XRenderFindVisualFormat (dpy, visual);
1165	XRenderPictureAttributes pa;
1166		953
1167	Picture back_pic = XRenderCreatePicture (dpy, pixmap, format, 0, &pa);	954	Picture back_pic = XRenderCreatePicture (dpy, pixmap, format, 0, 0);
1168		955
1169	pa.repeat = True;	956	Picture overlay_pic = create_xrender_mask (dpy, pixmap, True, False);
1170		957
1171	Pixmap overlay_pmap = XCreatePixmap (dpy, pixmap, 1, 1, 32);	958	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		959
1180	XRenderColor mask_c;	960	XRenderColor mask_c;
1181		961
1182	mask_c.alpha = 0xffff;	962	mask_c.alpha = 0xffff;
1183	mask_c.red =	963	mask_c.red =
…		…
1188	mask_c.alpha = 0;	968	mask_c.alpha = 0;
1189	mask_c.red = 0xffff - c.r;	969	mask_c.red = 0xffff - c.r;
1190	mask_c.green = 0xffff - c.g;	970	mask_c.green = 0xffff - c.g;
1191	mask_c.blue = 0xffff - c.b;	971	mask_c.blue = 0xffff - c.b;
1192	XRenderFillRectangle (dpy, PictOpSrc, mask_pic, &mask_c, 0, 0, 1, 1);	972	XRenderFillRectangle (dpy, PictOpSrc, mask_pic, &mask_c, 0, 0, 1, 1);
		973
1193	XRenderComposite (dpy, PictOpOver, overlay_pic, mask_pic, back_pic, 0, 0, 0, 0, 0, 0, width, height);	974	XRenderComposite (dpy, PictOpOver, overlay_pic, mask_pic, back_pic, 0, 0, 0, 0, 0, 0, width, height);
1194		975
1195	if (shade > 100)	976	if (shade > 100)
1196	{	977	{
1197	mask_c.red = mask_c.green = mask_c.blue = 0xffff * (shade - 100) / 100;
1198	mask_c.alpha = 0;	978	mask_c.alpha = 0;
		979	mask_c.red =
		980	mask_c.green =
		981	mask_c.blue = 0xffff * (shade - 100) / 100;
1199	XRenderFillRectangle (dpy, PictOpSrc, overlay_pic, &mask_c, 0, 0, 1, 1);	982	XRenderFillRectangle (dpy, PictOpSrc, overlay_pic, &mask_c, 0, 0, 1, 1);
1200		983
1201	XRenderComposite (dpy, PictOpOver, overlay_pic, None, back_pic, 0, 0, 0, 0, 0, 0, width, height);	984	XRenderComposite (dpy, PictOpOver, overlay_pic, None, back_pic, 0, 0, 0, 0, 0, 0, width, height);
1202	}	985	}
1203		986
1204	ret = true;	987	ret = true;
1205		988
1206	XRenderFreePicture (dpy, mask_pic);	989	XRenderFreePicture (dpy, mask_pic);
1207	XRenderFreePicture (dpy, overlay_pic);	990	XRenderFreePicture (dpy, overlay_pic);
1208	XRenderFreePicture (dpy, back_pic);	991	XRenderFreePicture (dpy, back_pic);
		992	}
1209	# endif	993	# endif
1210	}
1211		994
1212	return ret;	995	return ret;
1213	}	996	}
1214		997
		998	# ifdef ENABLE_TRANSPARENCY
1215	/*	999	/*
1216	* Builds a pixmap of the same size as the terminal window that contains	1000	* Builds a pixmap of the same size as the terminal window that contains
1217	* the tiled portion of the root pixmap that is supposed to be covered by	1001	* the tiled portion of the root pixmap that is supposed to be covered by
1218	* our window.	1002	* our window.
1219	*/	1003	*/
1220	unsigned long	1004	bool
1221	rxvt_term::make_transparency_pixmap ()	1005	rxvt_term::render_root_image ()
1222	{	1006	{
1223	unsigned long result = 0;	1007	bool ret = false;
1224		1008
1225	/* root dimensions may change from call to call - but Display structure should	1009	/* root dimensions may change from call to call - but Display structure should
1226	* be always up-to-date, so let's use it :	1010	* be always up-to-date, so let's use it :
1227	*/	1011	*/
1228	int screen = display->screen;	1012	int screen = display->screen;
…		…
1262	Pixmap recoded_root_pmap = root_pixmap;	1046	Pixmap recoded_root_pmap = root_pixmap;
1263		1047
1264	if (root_pixmap != None && root_depth != depth)	1048	if (root_pixmap != None && root_depth != depth)
1265	{	1049	{
1266	#if XRENDER	1050	#if XRENDER
1267	if (bg_flags & BG_HAS_RENDER)	1051	if (display->flags & DISPLAY_HAS_RENDER)
1268	{	1052	{
1269	recoded_root_pmap = XCreatePixmap (dpy, vt, root_pmap_width, root_pmap_height, depth);	1053	recoded_root_pmap = XCreatePixmap (dpy, vt, root_pmap_width, root_pmap_height, depth);
1270		1054
1271	XRenderPictureAttributes pa;
1272
1273	XRenderPictFormat *src_format = XRenderFindVisualFormat (dpy, DefaultVisual (dpy, screen));	1055	XRenderPictFormat *src_format = XRenderFindVisualFormat (dpy, DefaultVisual (dpy, screen));
1274	Picture src = XRenderCreatePicture (dpy, root_pixmap, src_format, 0, &pa);	1056	Picture src = XRenderCreatePicture (dpy, root_pixmap, src_format, 0, 0);
1275		1057
1276	XRenderPictFormat *dst_format = XRenderFindVisualFormat (dpy, visual);	1058	XRenderPictFormat *dst_format = XRenderFindVisualFormat (dpy, visual);
1277	Picture dst = XRenderCreatePicture (dpy, recoded_root_pmap, dst_format, 0, &pa);	1059	Picture dst = XRenderCreatePicture (dpy, recoded_root_pmap, dst_format, 0, 0);
1278		1060
1279	XRenderComposite (dpy, PictOpSrc, src, None, dst, 0, 0, 0, 0, 0, 0, root_pmap_width, root_pmap_height);	1061	XRenderComposite (dpy, PictOpSrc, src, None, dst, 0, 0, 0, 0, 0, 0, root_pmap_width, root_pmap_height);
1280		1062
1281	XRenderFreePicture (dpy, src);	1063	XRenderFreePicture (dpy, src);
1282	XRenderFreePicture (dpy, dst);	1064	XRenderFreePicture (dpy, dst);
…		…
1299	bg_pmap_width = window_width;	1081	bg_pmap_width = window_width;
1300	bg_pmap_height = window_height;	1082	bg_pmap_height = window_height;
1301	}	1083	}
1302		1084
1303	/* straightforward pixmap copy */	1085	/* straightforward pixmap copy */
1304	while (sx < 0) sx += root_width;	1086	while (sx < 0) sx += root_pmap_width;
1305	while (sy < 0) sy += root_height;	1087	while (sy < 0) sy += root_pmap_height;
1306		1088
1307	gcv.tile = recoded_root_pmap;	1089	gcv.tile = recoded_root_pmap;
1308	gcv.fill_style = FillTiled;	1090	gcv.fill_style = FillTiled;
1309	gcv.ts_x_origin = -sx;	1091	gcv.ts_x_origin = -sx;
1310	gcv.ts_y_origin = -sy;	1092	gcv.ts_y_origin = -sy;
1311	gc = XCreateGC (dpy, vt, GCFillStyle | GCTile | GCTileStipXOrigin | GCTileStipYOrigin, &gcv);	1093	gc = XCreateGC (dpy, vt, GCFillStyle | GCTile | GCTileStipXOrigin | GCTileStipYOrigin, &gcv);
1312		1094
1313	if (gc)	1095	if (gc)
1314	{	1096	{
1315	XFillRectangle (dpy, bg_pixmap, gc, 0, 0, window_width, window_height);	1097	XFillRectangle (dpy, bg_pixmap, gc, 0, 0, window_width, window_height);
1316	result |= BG_IS_VALID | (bg_flags & BG_EFFECTS_FLAGS);	1098	ret = true;
		1099	bool need_blur = root_effects.need_blur ();
		1100	bool need_tint = root_effects.need_tint ();
		1101
		1102	if (need_blur)
		1103	{
		1104	if (blur_pixmap (bg_pixmap, window_width, window_height, false,
		1105	root_effects.h_blurRadius, root_effects.v_blurRadius))
		1106	need_blur = false;
		1107	}
		1108	if (need_tint)
		1109	{
		1110	if (tint_pixmap (bg_pixmap, window_width, window_height, false,
		1111	root_effects.tint, root_effects.tint_set, root_effects.shade))
		1112	need_tint = false;
		1113	}
		1114	if (need_tint)
		1115	{
		1116	XImage *ximage = XGetImage (dpy, bg_pixmap, 0, 0, bg_pmap_width, bg_pmap_height, AllPlanes, ZPixmap);
		1117	if (ximage)
		1118	{
		1119	/* our own client-side tinting */
		1120	tint_ximage (ximage, root_effects.tint, root_effects.tint_set, root_effects.shade);
		1121
		1122	XPutImage (dpy, bg_pixmap, gc, ximage, 0, 0, 0, 0, ximage->width, ximage->height);
		1123	XDestroyImage (ximage);
		1124	}
		1125	}
		1126
1317	XFreeGC (dpy, gc);	1127	XFreeGC (dpy, gc);
1318
1319	if (!(bg_flags & BG_CLIENT_RENDER))
1320	{
1321	if ((bg_flags & BG_NEEDS_BLUR)
1322	&& (bg_flags & BG_HAS_RENDER_CONV))
1323	{
1324	if (blur_pixmap (bg_pixmap, visual, window_width, window_height))
1325	result &= ~BG_NEEDS_BLUR;
1326	}
1327	if ((bg_flags & BG_NEEDS_TINT)
1328	&& (bg_flags & (BG_TINT_BITAND | BG_HAS_RENDER)))
1329	{
1330	if (tint_pixmap (bg_pixmap, visual, window_width, window_height))
1331	result &= ~BG_NEEDS_TINT;
1332	}
1333	} /* server side rendering completed */
1334	}	1128	}
1335		1129
1336	if (recoded_root_pmap != root_pixmap)	1130	if (recoded_root_pmap != root_pixmap)
1337	XFreePixmap (dpy, recoded_root_pmap);	1131	XFreePixmap (dpy, recoded_root_pmap);
1338		1132
1339	return result;	1133	return ret;
1340	}	1134	}
1341		1135
1342	void	1136	void
1343	rxvt_term::bg_set_root_pixmap ()	1137	rxvt_term::bg_set_root_pixmap ()
1344	{	1138	{
1345	Pixmap new_root_pixmap = get_pixmap_property (xa[XA_XROOTPMAP_ID]);	1139	Pixmap new_root_pixmap = display->get_pixmap_property (xa[XA_XROOTPMAP_ID]);
1346	if (new_root_pixmap == None)	1140	if (new_root_pixmap == None)
1347	new_root_pixmap = get_pixmap_property (xa[XA_ESETROOT_PMAP_ID]);	1141	new_root_pixmap = display->get_pixmap_property (xa[XA_ESETROOT_PMAP_ID]);
1348		1142
1349	root_pixmap = new_root_pixmap;	1143	root_pixmap = new_root_pixmap;
1350	}	1144	}
1351	# endif /* ENABLE_TRANSPARENCY */	1145	# endif /* ENABLE_TRANSPARENCY */
1352		1146
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	1147	bool
1358	rxvt_term::bg_render ()	1148	rxvt_term::bg_render ()
1359	{	1149	{
1360	unsigned long tr_flags = 0;
1361
1362	bg_invalidate ();	1150	bg_invalidate ();
1363	# ifdef ENABLE_TRANSPARENCY	1151	# ifdef ENABLE_TRANSPARENCY
1364	if (bg_flags & BG_IS_TRANSPARENT)	1152	if (bg_flags & BG_IS_TRANSPARENT)
1365	{	1153	{
1366	/* we need to re-generate transparency pixmap in that case ! */	1154	/* we need to re-generate transparency pixmap in that case ! */
1367	tr_flags = make_transparency_pixmap ();	1155	if (render_root_image ())
1368	if (tr_flags == 0)
1369	return false;
1370	else if (!(tr_flags & BG_EFFECTS_FLAGS))
1371	bg_flags |= BG_IS_VALID;	1156	bg_flags |= BG_IS_VALID;
1372	}	1157	}
1373	# endif	1158	# endif
1374		1159
1375	# ifdef BG_IMAGE_FROM_FILE	1160	# ifdef BG_IMAGE_FROM_FILE
1376	if ((bg_flags & BG_IS_FROM_FILE)	1161	for (vector<rxvt_image>::iterator bg_image = image_vec.begin (); bg_image < image_vec.end (); bg_image++)
1377	|| (tr_flags & BG_EFFECTS_FLAGS))
1378	{	1162	{
1379	if (render_image (tr_flags))	1163	if (render_image (*bg_image))
1380	bg_flags |= BG_IS_VALID;	1164	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	}	1165	}
1415	# endif	1166	# endif
1416		1167
1417	if (!(bg_flags & BG_IS_VALID))	1168	if (!(bg_flags & BG_IS_VALID))
1418	{	1169	{
…		…
1432	}	1183	}
1433		1184
1434	void	1185	void
1435	rxvt_term::bg_init ()	1186	rxvt_term::bg_init ()
1436	{	1187	{
1437	#ifdef ENABLE_TRANSPARENCY	1188	#ifdef BG_IMAGE_FROM_FILE
1438	shade = 100;	1189	if (rs[Rs_backgroundPixmap])
		1190	{
		1191	rxvt_image *image = new_image ();
		1192	if (!image->set_file_geometry (rs[Rs_backgroundPixmap]))
		1193	image_vec.pop_back ();
		1194	}
		1195
		1196	# ifndef NO_RESOURCES
		1197	find_resources ("image", "Image", XrmEnumAllLevels, rxvt_define_image);
		1198	# endif
		1199
		1200	vector<rxvt_image>::iterator bg_image = image_vec.begin ();
		1201	while (bg_image != image_vec.end ())
		1202	{
		1203	if (!(bg_image->flags & IM_IS_SET))
		1204	bg_image = image_vec.erase (bg_image);
		1205	else
		1206	{
		1207	if (bg_image->is_size_sensitive ())
		1208	bg_image->flags |= IM_IS_SIZE_SENSITIVE;
		1209
		1210	bg_image++;
		1211	}
		1212	}
		1213
		1214	if (image_vec.size () > 0
		1215	&& !bg_window_position_sensitive ())
		1216	update_background ();
1439	#endif	1217	#endif
1440
1441	bg_flags &= ~(BG_HAS_RENDER | BG_HAS_RENDER_CONV);
1442	#if XRENDER
1443	int major, minor;
1444	if (XRenderQueryVersion (dpy, &major, &minor))
1445	bg_flags |= BG_HAS_RENDER;
1446	XFilters *filters = XRenderQueryFilters (dpy, vt);
1447	if (filters)
1448	{
1449	for (int i = 0; i < filters->nfilter; i++)
1450	if (!strcmp (filters->filter[i], FilterConvolution))
1451	bg_flags |= BG_HAS_RENDER_CONV;
1452
1453	XFree (filters);
1454	}
1455	#endif
1456	}	1218	}
1457		1219
1458	#endif /* HAVE_BG_PIXMAP */
1459
1460	#if defined(ENABLE_TRANSPARENCY) && !defined(HAVE_AFTERIMAGE)
1461	/* taken from aterm-0.4.2 */	1220	/* based on code from aterm-0.4.2 */
1462		1221
1463	static void	1222	static inline void
1464	shade_ximage (Visual *visual, XImage *ximage, int shade, const rgba &c)	1223	fill_lut (uint32_t *lookup, uint32_t mask, int sh, unsigned short low, unsigned short high)
1465	{	1224	{
		1225	for (int i = 0; i <= mask >> sh; i++)
		1226	{
		1227	uint32_t tmp;
		1228	tmp = i * high;
		1229	tmp += (mask >> sh) * low;
		1230	lookup[i] = (tmp / 0xffff) << sh;
		1231	}
		1232	}
		1233
		1234	void
		1235	rxvt_term::tint_ximage (XImage *ximage, rxvt_color &tint, bool tint_set, int shade)
		1236	{
		1237	unsigned int size_r, size_g, size_b;
1466	int sh_r, sh_g, sh_b;	1238	int sh_r, sh_g, sh_b;
1467	uint32_t mask_r, mask_g, mask_b;	1239	uint32_t mask_r, mask_g, mask_b;
1468	uint32_t *lookup, *lookup_r, *lookup_g, *lookup_b;	1240	uint32_t *lookup, *lookup_r, *lookup_g, *lookup_b;
1469	rgba low;	1241	unsigned short low;
1470	rgba high;
1471	int i;
1472	int host_byte_order = ecb_big_endian () ? MSBFirst : LSBFirst;	1242	int host_byte_order = ecb_big_endian () ? MSBFirst : LSBFirst;
1473		1243
1474	if (visual->c_class != TrueColor || ximage->format != ZPixmap) return;	1244	if (visual->c_class != TrueColor || ximage->format != ZPixmap) return;
1475		1245
1476	/* for convenience */	1246	/* for convenience */
1477	mask_r = visual->red_mask;	1247	mask_r = visual->red_mask;
1478	mask_g = visual->green_mask;	1248	mask_g = visual->green_mask;
1479	mask_b = visual->blue_mask;	1249	mask_b = visual->blue_mask;
1480		1250
1481	/* boring lookup table pre-initialization */	1251	/* boring lookup table pre-initialization */
1482	switch (ximage->depth)	1252	sh_r = ecb_ctz32 (mask_r);
1483	{	1253	sh_g = ecb_ctz32 (mask_g);
1484	case 15:	1254	sh_b = ecb_ctz32 (mask_b);
1485	if ((mask_r != 0x7c00) ||	1255
1486	(mask_g != 0x03e0) ||	1256	size_r = mask_r >> sh_r;
1487	(mask_b != 0x001f))	1257	size_g = mask_g >> sh_g;
		1258	size_b = mask_b >> sh_b;
		1259
		1260	if (size_r++ > 255 || size_g++ > 255 || size_b++ > 255)
1488	return;	1261	return;
1489	lookup = (uint32_t *) malloc (sizeof (uint32_t)*(32+32+32));	1262
		1263	lookup = (uint32_t *)malloc (sizeof (uint32_t) * (size_r + size_g + size_b));
1490	lookup_r = lookup;	1264	lookup_r = lookup;
1491	lookup_g = lookup+32;	1265	lookup_g = lookup + size_r;
1492	lookup_b = lookup+32+32;	1266	lookup_b = lookup + size_r + size_g;
1493	sh_r = 10;	1267
1494	sh_g = 5;	1268	rgba c (rgba::MAX_CC, rgba::MAX_CC, rgba::MAX_CC);
1495	sh_b = 0;	1269
1496	break;	1270	if (tint_set)
1497	case 16:	1271	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		1272
1540	/* prepare limits for color transformation (each channel is handled separately) */	1273	/* prepare limits for color transformation (each channel is handled separately) */
1541	if (shade > 100)	1274	if (shade > 100)
1542	{	1275	{
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;	1276	c.r = c.r * (200 - shade) / 100;
1550	low.g = 65535 * (100 - shade) / 100;	1277	c.g = c.g * (200 - shade) / 100;
1551	low.b = 65535 * (100 - shade) / 100;	1278	c.b = c.b * (200 - shade) / 100;
		1279
		1280	low = 0xffff * (shade - 100) / 100;
1552	}	1281	}
1553	else	1282	else
1554	{	1283	{
1555	high.r = c.r * shade / 100;	1284	c.r = c.r * shade / 100;
1556	high.g = c.g * shade / 100;	1285	c.g = c.g * shade / 100;
1557	high.b = c.b * shade / 100;	1286	c.b = c.b * shade / 100;
1558		1287
1559	low.r = low.g = low.b = 0;	1288	low = 0;
1560	}	1289	}
1561		1290
1562	/* fill our lookup tables */	1291	/* fill our lookup tables */
1563	for (i = 0; i <= mask_r>>sh_r; i++)	1292	fill_lut (lookup_r, mask_r, sh_r, low, c.r);
1564	{	1293	fill_lut (lookup_g, mask_g, sh_g, low, c.g);
1565	uint32_t tmp;	1294	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		1295
1585	/* apply table to input image (replacing colors by newly calculated ones) */	1296	/* apply table to input image (replacing colors by newly calculated ones) */
1586	if (ximage->bits_per_pixel == 32	1297	if (ximage->bits_per_pixel == 32
1587	&& (ximage->depth == 24 || ximage->depth == 32)
1588	&& ximage->byte_order == host_byte_order)	1298	&& ximage->byte_order == host_byte_order)
1589	{	1299	{
1590	uint32_t *p1, *pf, *p, *pl;	1300	char *line = ximage->data;
1591	p1 = (uint32_t *) ximage->data;
1592	pf = (uint32_t *) (ximage->data + ximage->height * ximage->bytes_per_line);
1593		1301
1594	while (p1 < pf)	1302	for (int y = 0; y < ximage->height; y++)
1595	{	1303	{
1596	p = p1;	1304	uint32_t *p = (uint32_t *)line;
1597	pl = p1 + ximage->width;	1305	for (int x = 0; x < ximage->width; x++)
1598	for (; p < pl; p++)
1599	{	1306	{
1600	*p = lookup_r[(*p & 0xff0000) >> 16] |	1307	*p = lookup_r[(*p & mask_r) >> sh_r] |
1601	lookup_g[(*p & 0x00ff00) >> 8] |	1308	lookup_g[(*p & mask_g) >> sh_g] |
1602	lookup_b[(*p & 0x0000ff)] |	1309	lookup_b[(*p & mask_b) >> sh_b];
1603	(*p & 0xff000000);	1310	p++;
1604	}	1311	}
1605	p1 = (uint32_t *) ((char *) p1 + ximage->bytes_per_line);	1312	line += ximage->bytes_per_line;
1606	}	1313	}
1607	}	1314	}
1608	else	1315	else
1609	{	1316	{
1610	for (int y = 0; y < ximage->height; y++)	1317	for (int y = 0; y < ximage->height; y++)
…		…
1618	}	1325	}
1619	}	1326	}
1620		1327
1621	free (lookup);	1328	free (lookup);
1622	}	1329	}
1623	#endif /* defined(ENABLE_TRANSPARENCY) && !defined(HAVE_AFTERIMAGE) */	1330
		1331	#endif /* HAVE_BG_PIXMAP */

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