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Comparing rxvt-unicode/src/background.C (file contents):
Revision 1.162 by sf-exg, Thu Aug 11 12:27:26 2011 UTC vs.
Revision 1.221 by sf-exg, Fri May 25 09:27:35 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	{
305	new_flags |= BG_TILE;	237	new_flags |= IM_TILE;
306	w = windowScale;	238	w = windowScale;
307	h = noScale;	239	h = noScale;
308	geom_flags |= WidthValue|HeightValue;	240	geom_flags |= WidthValue|HeightValue;
309	}	241	}
310	else if (!strcasecmp (arr[i], "vscale"))	242	else if (!strcasecmp (arr[i], "vscale"))
311	{	243	{
312	new_flags |= BG_TILE;	244	new_flags |= IM_TILE;
313	h = windowScale;	245	h = windowScale;
314	w = noScale;	246	w = noScale;
315	geom_flags |= WidthValue|HeightValue;	247	geom_flags |= WidthValue|HeightValue;
316	}	248	}
317	else if (!strcasecmp (arr[i], "scale"))	249	else if (!strcasecmp (arr[i], "scale"))
…		…
325	x = y = centerAlign;	257	x = y = centerAlign;
326	geom_flags |= WidthValue|HeightValue|XValue|YValue;	258	geom_flags |= WidthValue|HeightValue|XValue|YValue;
327	}	259	}
328	else if (!strcasecmp (arr[i], "root"))	260	else if (!strcasecmp (arr[i], "root"))
329	{	261	{
330	new_flags |= BG_TILE|BG_ROOT_ALIGN;	262	new_flags |= IM_TILE|IM_ROOT_ALIGN;
331	w = h = noScale;	263	w = h = noScale;
332	geom_flags |= WidthValue|HeightValue;	264	geom_flags |= WidthValue|HeightValue;
333	}	265	}
		266
		267	else
		268	geom_flags |= XParseGeometry (arr[i], &x, &y, &w, &h);
334	} /* done parsing ops */	269	} /* done parsing ops */
335		270
336	rxvt_free_strsplit (arr);	271	rxvt_free_strsplit (arr);
337	}	272	}
338		273
339	if (check_set_scale_value (geom_flags, WidthValue, h_scale, w)) changed = true;	274	new_flags |= flags & ~IM_GEOMETRY_FLAGS;
340	if (check_set_scale_value (geom_flags, HeightValue, v_scale, h)) changed = true;
341	if (check_set_align_value (geom_flags, XValue, h_align, x)) changed = true;
342	if (check_set_align_value (geom_flags, YValue, v_align, y)) changed = true;
343		275
344	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;
345	{	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	{
346	bg_flags = new_flags;	300	flags = new_flags;
		301	h_scale = w;
		302	v_scale = h;
		303	h_align = x;
		304	v_align = y;
347	changed = true;	305	changed = true;
348	}	306	}
349		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
350	return changed;	315	return changed;
351	}	316	}
352		317
353	void	318	void
354	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)
355	{	320	{
		321	int image_width = image.width ();
		322	int image_height = image.height ();
356	int target_width = szHint.width;	323	int target_width = szHint.width;
357	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);
358		327
359	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)
360	{	332	{
361	float scale = (float)target_width / image_width;	333	float scale = (float)w / image_width;
362	min_it (scale, (float)target_height / image_height);	334	min_it (scale, (float)h / image_height);
363	w = image_width * scale + 0.5;	335	w = image_width * scale + 0.5;
364	h = image_height * scale + 0.5;	336	h = image_height * scale + 0.5;
365	}	337	}
366	else
367	{
368	w = h_scale * target_width / 100;
369	h = v_scale * target_height / 100;
370	}
371		338
372	if (!w) w = image_width;	339	if (!w) w = image_width;
373	if (!h) h = image_height;	340	if (!h) h = image_height;
374		341
375	if (bg_flags & BG_ROOT_ALIGN)	342	if (image.flags & IM_ROOT_ALIGN)
376	{	343	{
377	x = -target_x;	344	x = -target_x;
378	y = -target_y;	345	y = -target_y;
379	}	346	}
380	else	347	else
381	{	348	{
382	x = make_align_position (h_align, target_width, w);	349	x = make_align_position (image.h_align, target_width, w);
383	y = make_align_position (v_align, target_height, h);	350	y = make_align_position (image.v_align, target_height, h);
384	}
385
386	bg_flags &= ~BG_IS_SIZE_SENSITIVE;
387	if (!(bg_flags & BG_TILE)
388	|| (bg_flags & BG_PROP_SCALE) || h_scale || v_scale
389	|| (!(bg_flags & BG_ROOT_ALIGN) && (h_align || v_align))
390	|| w > target_width || h > target_height)
391	bg_flags |= BG_IS_SIZE_SENSITIVE;
392	}
393
394	# ifdef HAVE_AFTERIMAGE
395	bool
396	rxvt_term::render_image (unsigned long tr_flags)
397	{
398	init_asv ();
399
400	ASImage *background = NULL;
401	ARGB32 background_tint = TINT_LEAVE_SAME;
402
403	# ifdef ENABLE_TRANSPARENCY
404	if (tr_flags)
405	background = pixmap2ximage (asv, bg_pixmap, 0, 0, bg_pmap_width, bg_pmap_height, AllPlanes, 100);
406
407	if (tr_flags & BG_NEEDS_TINT)
408	{	351	}
409	ShadingInfo as_shade;	352	}
410	as_shade.shading = shade;
411		353
412	rgba c (rgba::MAX_CC,rgba::MAX_CC,rgba::MAX_CC);	354	# ifdef HAVE_PIXBUF
413	if (bg_flags & BG_TINT_SET)	355	bool
414	tint.get (c);	356	rxvt_term::pixbuf_to_pixmap (GdkPixbuf *pixbuf, Pixmap pixmap, GC gc,
415	as_shade.tintColor.red = c.r;	357	int src_x, int src_y, int dst_x, int dst_y,
416	as_shade.tintColor.green = c.g;	358	unsigned int width, unsigned int height, bool argb)
417	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;
418		368
419	background_tint = shading2tint32 (&as_shade);	369	if (visual->c_class != TrueColor)
		370	return false;
		371
		372	if (argb)
420	}	373	{
421		374	red_mask = 0xff << 16;
422	if ((tr_flags & BG_NEEDS_BLUR) && background != NULL)	375	green_mask = 0xff << 8;
		376	blue_mask = 0xff;
		377	alpha_mask = 0xff << 24;
423	{	378	}
424	ASImage *tmp = blur_asimage_gauss (asv, background, h_blurRadius, v_blurRadius, 0xFFFFFFFF,	379	else
425	(original_asim == NULL || tint == TINT_LEAVE_SAME) ? ASA_XImage : ASA_ASImage,	380	{
426	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);
427	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)
428	{	447	{
429	destroy_asimage (&background);	448	a = pixel[3];
430	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);
431	}	470	}
432	}
433	# endif
434		471
435	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);
436		498
437	int target_width = szHint.width;	499	int target_width = szHint.width;
438	int target_height = szHint.height;	500	int target_height = szHint.height;
439	int new_pmap_width = target_width;	501	int new_pmap_width = target_width;
440	int new_pmap_height = target_height;	502	int new_pmap_height = target_height;
…		…
442	int x = 0;	504	int x = 0;
443	int y = 0;	505	int y = 0;
444	int w = 0;	506	int w = 0;
445	int h = 0;	507	int h = 0;
446		508
447	if (original_asim)	509	get_image_geometry (image, w, h, x, y);
448	get_image_geometry (original_asim->width, original_asim->height, w, h, x, y);
449		510
450	if (!original_asim	511	if (!(image.flags & IM_ROOT_ALIGN)
451	|| (!(bg_flags & BG_ROOT_ALIGN)
452	&& (x >= target_width	512	&& (x >= target_width
453	|| y >= target_height	513	|| y >= target_height
454	|| (x + w <= 0)	514	|| x + w <= 0
455	|| (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);
456	{	526	}
457	if (background)
458	{
459	new_pmap_width = background->width;
460	new_pmap_height = background->height;
461	result = background;
462		527
463	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)
464	{	549	{
465	ASImage *tmp = tile_asimage (asv, background, 0, 0,	550	new_pmap_width = min (image_width, target_width);
466	target_width, target_height, background_tint,	551	new_pmap_height = min (image_height, target_height);
467	ASA_XImage, 100, ASIMAGE_QUALITY_DEFAULT);
468	if (tmp)
469	result = tmp;
470	}
471	}	552	}
472	else
473	new_pmap_width = new_pmap_height = 0;
474	}
475	else
476	{
477	result = original_asim;
478		553
479	if ((w != original_asim->width)
480	|| (h != original_asim->height))
481	{
482	result = scale_asimage (asv, original_asim,
483	w, h,
484	background ? ASA_ASImage : ASA_XImage,
485	100, ASIMAGE_QUALITY_DEFAULT);
486	}
487
488	if (background == NULL)
489	{
490	if (bg_flags & BG_TILE)
491	{
492	/* if tiling - pixmap has to be sized exactly as the image,
493	but there is no need to make it bigger than the window! */
494	new_pmap_width = min (result->width, target_width);
495	new_pmap_height = min (result->height, target_height);
496
497	/* we also need to tile our image in both directions */
498	ASImage *tmp = tile_asimage (asv, result,
499	(int)result->width - x,
500	(int)result->height - y,
501	new_pmap_width,
502	new_pmap_height,
503	TINT_LEAVE_SAME, ASA_XImage,
504	100, ASIMAGE_QUALITY_DEFAULT);
505	if (tmp)
506	{
507	if (result != original_asim)
508	destroy_asimage (&result);
509
510	result = tmp;
511	}
512	}
513	}
514	else
515	{
516	/* if blending background and image - pixmap has to be sized same as target window */
517	ASImageLayer *layers = create_image_layers (2);
518
519	layers[0].im = background;
520	layers[0].clip_width = target_width;
521	layers[0].clip_height = target_height;
522	layers[0].tint = background_tint;
523	layers[1].im = result;
524
525	if (bg_flags & BG_TILE)
526	{
527	/* tile horizontally */
528	while (x > 0) x -= (int)result->width;
529	layers[1].dst_x = x;
530	layers[1].clip_width = result->width+target_width;
531	}
532	else
533	{
534	/* clip horizontally */
535	layers[1].dst_x = x;
536	layers[1].clip_width = result->width;
537	}
538
539	if (bg_flags & BG_TILE)
540	{
541	while (y > 0) y -= (int)result->height;
542	layers[1].dst_y = y;
543	layers[1].clip_height = result->height + target_height;
544	}
545	else
546	{
547	layers[1].dst_y = y;
548	layers[1].clip_height = result->height;
549	}
550
551	if (rs[Rs_blendtype])
552	{
553	layers[1].merge_scanlines = blend_scanlines_name2func (rs[Rs_blendtype]);
554	if (layers[1].merge_scanlines == NULL)
555	layers[1].merge_scanlines = alphablend_scanlines;
556	}
557
558	ASImage *tmp = merge_layers (asv, layers, 2, target_width, target_height,
559	ASA_XImage, 0, ASIMAGE_QUALITY_DEFAULT);
560
561	if (tmp)
562	{
563	if (result != original_asim)
564	destroy_asimage (&result);
565
566	result = tmp;
567	}
568
569	free (layers);
570	}
571	}
572
573	bool ret = false;
574
575	if (result)
576	{
577	XGCValues gcv;
578	GC gc;
579
580	/* create Pixmap */
581	if (bg_pixmap == None	554	if (bg_pixmap == None
582	|| bg_pmap_width != new_pmap_width	555	|| bg_pmap_width != new_pmap_width
583	|| bg_pmap_height != new_pmap_height)	556	|| bg_pmap_height != new_pmap_height)
584	{	557	{
585	if (bg_pixmap)	558	if (bg_pixmap)
586	XFreePixmap (dpy, bg_pixmap);	559	XFreePixmap (dpy, bg_pixmap);
587	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);
588	bg_pmap_width = new_pmap_width;	561	bg_pmap_width = new_pmap_width;
589	bg_pmap_height = new_pmap_height;	562	bg_pmap_height = new_pmap_height;
590	}	563	}
591	/* fill with background color (if result's not completely overlapping it) */
592	gcv.foreground = pix_colors[Color_bg];
593	gc = XCreateGC (dpy, vt, GCForeground, &gcv);
594		564
595	int src_x = 0, src_y = 0, dst_x = 0, dst_y = 0;
596	int dst_width = result->width, dst_height = result->height;
597	if (background == NULL)
598	{
599	if (!(bg_flags & BG_TILE))
600	{
601	src_x = make_clip_rectangle (x, result->width , new_pmap_width , dst_x, dst_width );
602	src_y = make_clip_rectangle (y, result->height, new_pmap_height, dst_y, dst_height);
603	}
604
605	if (dst_x > 0 || dst_y > 0
606	|| dst_x + dst_width < new_pmap_width
607	|| dst_y + dst_height < new_pmap_height)
608	XFillRectangle (dpy, bg_pixmap, gc, 0, 0, new_pmap_width, new_pmap_height);
609	}
610
611	/* put result on pixmap */
612	if (dst_x < new_pmap_width && dst_y < new_pmap_height)
613	asimage2drawable (asv, bg_pixmap, result, gc, src_x, src_y, dst_x, dst_y, dst_width, dst_height, True);
614
615	if (result != background && result != original_asim)
616	destroy_asimage (&result);
617
618	XFreeGC (dpy, gc);
619
620	ret = true;
621	}
622
623	if (background)
624	destroy_asimage (&background);
625
626	return ret;
627	}
628	# endif /* HAVE_AFTERIMAGE */
629
630	# ifdef HAVE_PIXBUF
631	bool
632	rxvt_term::pixbuf_to_pixmap (GdkPixbuf *pixbuf, Pixmap pixmap, GC gc,
633	int src_x, int src_y, int dst_x, int dst_y,
634	unsigned int width, unsigned int height)
635	{
636	XImage *ximage;
637	char *data, *line;
638	int bytes_per_pixel;
639	int width_r, width_g, width_b;
640	int sh_r, sh_g, sh_b;
641	int rowstride;
642	int channels;
643	unsigned char *row;
644
645	if (visual->c_class != TrueColor)
646	return false;
647
648	if (depth == 24 || depth == 32)
649	bytes_per_pixel = 4;
650	else if (depth == 15 || depth == 16)
651	bytes_per_pixel = 2;
652	else
653	return false;
654
655	width_r = ecb_popcount32 (visual->red_mask);
656	width_g = ecb_popcount32 (visual->green_mask);
657	width_b = ecb_popcount32 (visual->blue_mask);
658
659	if (width_r > 8 || width_g > 8 || width_b > 8)
660	return false;
661
662	sh_r = ecb_ctz32 (visual->red_mask);
663	sh_g = ecb_ctz32 (visual->green_mask);
664	sh_b = ecb_ctz32 (visual->blue_mask);
665
666	if (width > INT_MAX / height / bytes_per_pixel)
667	return false;
668
669	data = (char *)malloc (width * height * bytes_per_pixel);
670	if (!data)
671	return false;
672
673	ximage = XCreateImage (dpy, visual, depth, ZPixmap, 0, data,
674	width, height, bytes_per_pixel * 8, 0);
675	if (!ximage)
676	{
677	free (data);
678	return false;
679	}
680
681	ximage->byte_order = ecb_big_endian () ? MSBFirst : LSBFirst;
682
683	rowstride = gdk_pixbuf_get_rowstride (pixbuf);
684	channels = gdk_pixbuf_get_n_channels (pixbuf);
685	row = gdk_pixbuf_get_pixels (pixbuf) + src_y * rowstride + src_x * channels;
686	line = data;
687
688	for (int y = 0; y < height; y++)
689	{
690	for (int x = 0; x < width; x++)
691	{
692	unsigned char *pixel = row + x * channels;
693	uint32_t value;
694
695	value = ((pixel[0] >> (8 - width_r)) << sh_r)
696	| ((pixel[1] >> (8 - width_g)) << sh_g)
697	| ((pixel[2] >> (8 - width_b)) << sh_b);
698
699	if (bytes_per_pixel == 4)
700	((uint32_t *)line)[x] = value;
701	else
702	((uint16_t *)line)[x] = value;
703	}
704
705	row += rowstride;
706	line += ximage->bytes_per_line;
707	}
708
709	XPutImage (dpy, pixmap, gc, ximage, 0, 0, dst_x, dst_y, width, height);
710	XDestroyImage (ximage);
711	return true;
712	}
713
714	bool
715	rxvt_term::render_image (unsigned long tr_flags)
716	{
717	if (!pixbuf)
718	return false;
719
720	if (tr_flags
721	&& !(bg_flags & BG_HAS_RENDER))
722	return false;
723
724	GdkPixbuf *result;
725
726	int image_width = gdk_pixbuf_get_width (pixbuf);
727	int image_height = gdk_pixbuf_get_height (pixbuf);
728
729	int target_width = szHint.width;
730	int target_height = szHint.height;
731	int new_pmap_width = target_width;
732	int new_pmap_height = target_height;
733
734	int x = 0;
735	int y = 0;
736	int w = 0;
737	int h = 0;
738
739	get_image_geometry (image_width, image_height, w, h, x, y);
740
741	if (!(bg_flags & BG_ROOT_ALIGN)
742	&& (x >= target_width
743	|| y >= target_height
744	|| (x + w <= 0)
745	|| (y + h <= 0)))
746	return false;
747
748	result = pixbuf;
749
750	if ((w != image_width)
751	|| (h != image_height))
752	{
753	result = gdk_pixbuf_scale_simple (pixbuf,
754	w, h,
755	GDK_INTERP_BILINEAR);
756	}
757
758	if (!result)
759	return false;
760
761	bool ret = false;
762
763	XGCValues gcv;
764	GC gc;
765	Pixmap root_pmap;
766
767	image_width = gdk_pixbuf_get_width (result);
768	image_height = gdk_pixbuf_get_height (result);
769
770	if (tr_flags)
771	{
772	root_pmap = bg_pixmap;	565	tmp_pixmap = bg_pixmap;
773	bg_pixmap = None;
774	}
775	else
776	{
777	if (bg_flags & BG_TILE)
778	{
779	new_pmap_width = min (image_width, target_width);
780	new_pmap_height = min (image_height, target_height);
781	}
782	}
783
784	if (bg_pixmap == None
785	|| bg_pmap_width != new_pmap_width
786	|| bg_pmap_height != new_pmap_height)
787	{
788	if (bg_pixmap)
789	XFreePixmap (dpy, bg_pixmap);
790	bg_pixmap = XCreatePixmap (dpy, vt, new_pmap_width, new_pmap_height, depth);
791	bg_pmap_width = new_pmap_width;
792	bg_pmap_height = new_pmap_height;
793	}	566	}
794		567
795	gcv.foreground = pix_colors[Color_bg];	568	gcv.foreground = pix_colors[Color_bg];
796	gc = XCreateGC (dpy, vt, GCForeground, &gcv);	569	gc = XCreateGC (dpy, tmp_pixmap, GCForeground, &gcv);
797		570
798	if (gc)	571	if (gc)
799	{	572	{
800	if (bg_flags & BG_TILE)	573	if (image.flags & IM_TILE)
801	{	574	{
802	Pixmap tile = XCreatePixmap (dpy, vt, image_width, image_height, depth);	575	Pixmap tile = XCreatePixmap (dpy, vt, image_width, image_height, need_blend ? 32 : depth);
803	pixbuf_to_pixmap (result, tile, gc,	576	pixbuf_to_pixmap (result, tile, gc,
804	0, 0,	577	0, 0,
805	0, 0,	578	0, 0,
806	image_width, image_height);	579	image_width, image_height, need_blend);
807		580
808	gcv.tile = tile;	581	gcv.tile = tile;
809	gcv.fill_style = FillTiled;	582	gcv.fill_style = FillTiled;
810	gcv.ts_x_origin = x;	583	gcv.ts_x_origin = x;
811	gcv.ts_y_origin = y;	584	gcv.ts_y_origin = y;
812	XChangeGC (dpy, gc, GCFillStyle | GCTile | GCTileStipXOrigin | GCTileStipYOrigin, &gcv);	585	XChangeGC (dpy, gc, GCFillStyle | GCTile | GCTileStipXOrigin | GCTileStipYOrigin, &gcv);
813		586
814	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);
815	XFreePixmap (dpy, tile);	588	XFreePixmap (dpy, tile);
816	}	589	}
817	else	590	else
818	{	591	{
819	int src_x, src_y, dst_x, dst_y;	592	int src_x, src_y, dst_x, dst_y;
…		…
823	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);
824		597
825	if (dst_x > 0 || dst_y > 0	598	if (dst_x > 0 || dst_y > 0
826	|| dst_x + dst_width < new_pmap_width	599	|| dst_x + dst_width < new_pmap_width
827	|| dst_y + dst_height < new_pmap_height)	600	|| dst_y + dst_height < new_pmap_height)
828	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);
829		602
830	if (dst_x < new_pmap_width && dst_y < new_pmap_height)	603	if (dst_x < new_pmap_width && dst_y < new_pmap_height)
831	pixbuf_to_pixmap (result, bg_pixmap, gc,	604	pixbuf_to_pixmap (result, tmp_pixmap, gc,
832	src_x, src_y,	605	src_x, src_y,
833	dst_x, dst_y,	606	dst_x, dst_y,
834	dst_width, dst_height);	607	dst_width, dst_height, need_blend);
835	}	608	}
836		609
837	#if XRENDER	610	#if XRENDER
838	if (tr_flags)	611	if (need_blend)
839	{	612	{
840	XRenderPictureAttributes pa;	613	XRenderPictFormat *argb_format = XRenderFindStandardFormat (dpy, PictStandardARGB32);
841
842	XRenderPictFormat *src_format = XRenderFindVisualFormat (dpy, visual);	614	XRenderPictFormat *format = XRenderFindVisualFormat (dpy, visual);
		615
843	Picture src = XRenderCreatePicture (dpy, root_pmap, src_format, 0, &pa);	616	Picture src = XRenderCreatePicture (dpy, tmp_pixmap, argb_format, 0, 0);
844		617
845	XRenderPictFormat *dst_format = XRenderFindVisualFormat (dpy, visual);
846	Picture dst = XRenderCreatePicture (dpy, bg_pixmap, dst_format, 0, &pa);	618	Picture dst = XRenderCreatePicture (dpy, bg_pixmap, format, 0, 0);
847		619
848	pa.repeat = True;	620	Picture mask = create_xrender_mask (dpy, vt, False, False);
849	Pixmap mask_pmap = XCreatePixmap (dpy, vt, 1, 1, 8);
850	XRenderPictFormat *mask_format = XRenderFindStandardFormat (dpy, PictStandardA8);
851	Picture mask = XRenderCreatePicture (dpy, mask_pmap, mask_format, CPRepeat, &pa);
852	XFreePixmap (dpy, mask_pmap);
853		621
854	XRenderColor mask_c;	622	XRenderColor mask_c;
855		623
856	mask_c.alpha = 0x8000;	624	mask_c.alpha = gdk_pixbuf_get_has_alpha (image.pixbuf) ? 0xffff : image.alpha;
857	mask_c.red = 0;	625	mask_c.red =
858	mask_c.green = 0;	626	mask_c.green =
859	mask_c.blue = 0;	627	mask_c.blue = 0;
860	XRenderFillRectangle (dpy, PictOpSrc, mask, &mask_c, 0, 0, 1, 1);	628	XRenderFillRectangle (dpy, PictOpSrc, mask, &mask_c, 0, 0, 1, 1);
		629
861	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);
862		631
863	XRenderFreePicture (dpy, src);	632	XRenderFreePicture (dpy, src);
864	XRenderFreePicture (dpy, dst);	633	XRenderFreePicture (dpy, dst);
865	XRenderFreePicture (dpy, mask);	634	XRenderFreePicture (dpy, mask);
…		…
872	}	641	}
873		642
874	if (result != pixbuf)	643	if (result != pixbuf)
875	g_object_unref (result);	644	g_object_unref (result);
876		645
877	if (tr_flags)	646	if (need_blend)
878	XFreePixmap (dpy, root_pmap);	647	XFreePixmap (dpy, tmp_pixmap);
879		648
880	return ret;	649	return ret;
881	}	650	}
882	# endif /* HAVE_PIXBUF */	651	# endif /* HAVE_PIXBUF */
883		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	rxvt_image *image;
		680
		681	for (image = image_vec.begin (); image < image_vec.end (); image++)
		682	if (image->id == id)
		683	break;
		684
		685	if (image == image_vec.end ())
		686	{
		687	image = new_image ();
		688	image->id = id;
		689	}
		690	}
		691	# endif
		692
		693	rxvt_image::rxvt_image ()
		694	{
		695	id =
		696	alpha =
		697	flags =
		698	h_scale =
		699	v_scale =
		700	h_align =
		701	v_align = 0;
		702
		703	# ifdef HAVE_PIXBUF
		704	pixbuf = 0;
		705	# endif
		706	}
		707
884	bool	708	bool
885	rxvt_term::bg_set_file (const char *file)	709	rxvt_image::set_file_geometry (const char *file)
886	{	710	{
887	if (!file || !*file)	711	if (!file || !*file)
888	return false;	712	return false;
889		713
890	if (const char *p = strchr (file, ';'))	714	const char *p = strchr (file, ';');
		715
		716	if (p)
891	{	717	{
892	size_t len = p - file;	718	size_t len = p - file;
893	char *f = rxvt_temp_buf<char> (len + 1);	719	char *f = rxvt_temp_buf<char> (len + 1);
894	memcpy (f, file, len);	720	memcpy (f, file, len);
895	f[len] = '\0';	721	f[len] = '\0';
896	file = f;	722	file = f;
897	}	723	}
898		724
899	# ifdef HAVE_AFTERIMAGE	725	bool ret = set_file (file);
900	if (!asimman)	726	alpha = 0x8000;
901	asimman = create_generic_imageman (rs[Rs_path]);	727	if (ret && p)
902	ASImage *image = get_asimage (asimman, file, 0xFFFFFFFF, 100);	728	set_geometry (p + 1);
903	if (image)	729	return ret;
904	{	730	}
905	if (original_asim)	731
906	safe_asimage_destroy (original_asim);	732	bool
907	original_asim = image;	733	rxvt_image::set_file (const char *file)
908	bg_flags |= BG_IS_FROM_FILE | BG_CLIENT_RENDER;	734	{
909	return true;	735	bool ret = false;
910	}
911	# endif
912		736
913	# ifdef HAVE_PIXBUF	737	# ifdef HAVE_PIXBUF
914	GdkPixbuf *image = gdk_pixbuf_new_from_file (file, NULL);	738	GdkPixbuf *image = gdk_pixbuf_new_from_file (file, NULL);
915	if (image)	739	if (image)
916	{	740	{
917	if (pixbuf)	741	if (pixbuf)
918	g_object_unref (pixbuf);	742	g_object_unref (pixbuf);
919	pixbuf = image;	743	pixbuf = image;
920	bg_flags |= BG_IS_FROM_FILE;
921	return true;	744	ret = true;
922	}	745	}
923	# endif	746	# endif
924		747
		748	if (ret)
		749	{
		750	alpha = 0xffff;
		751	flags = IM_IS_SET | IM_IS_SIZE_SENSITIVE;
		752	h_scale = v_scale = defaultScale;
		753	h_align = v_align = defaultAlign;
		754	}
		755
925	return false;	756	return ret;
926	}	757	}
927		758
928	# endif /* BG_IMAGE_FROM_FILE */	759	# endif /* BG_IMAGE_FROM_FILE */
929		760
930	# ifdef ENABLE_TRANSPARENCY	761	# ifdef ENABLE_TRANSPARENCY
931	bool
932	rxvt_term::bg_set_transparent ()
933	{
934	if (!(bg_flags & BG_IS_TRANSPARENT))
935	{
936	bg_flags |= BG_IS_TRANSPARENT;
937	return true;
938	}
939
940	return false;
941	}
942
943	bool	762	bool
944	rxvt_term::bg_set_blur (const char *geom)	763	rxvt_term::bg_set_blur (const char *geom)
945	{	764	{
946	bool changed = false;	765	bool changed = false;
947	unsigned int hr, vr;	766	unsigned int hr, vr;
…		…
966	{	785	{
967	changed = true;	786	changed = true;
968	v_blurRadius = vr;	787	v_blurRadius = vr;
969	}	788	}
970		789
971	if (v_blurRadius == 0 && h_blurRadius == 0)
972	bg_flags &= ~BG_NEEDS_BLUR;
973	else
974	bg_flags |= BG_NEEDS_BLUR;
975
976	return changed;	790	return changed;
977	}	791	}
978		792
979	void	793	bool
980	rxvt_term::set_tint_shade_flags ()	794	rxvt_term::bg_set_tint (rxvt_color &new_tint)
981	{	795	{
982	rgba c (rgba::MAX_CC,rgba::MAX_CC,rgba::MAX_CC);	796	if (!(bg_flags & BG_TINT_SET) || tint != new_tint)
983	bool has_shade = shade != 100;	797	{
984		798	tint = new_tint;
985	bg_flags &= ~BG_TINT_FLAGS;	799	bg_flags |= BG_TINT_SET;
986		800
987	if (bg_flags & BG_TINT_SET)	801	rgba c;
988	{
989	tint.get (c);	802	tint.get (c);
990	if (!has_shade
991	&& (c.r <= 0x00ff || c.r >= 0xff00)	803	if ((c.r <= 0x00ff || c.r >= 0xff00)
992	&& (c.g <= 0x00ff || c.g >= 0xff00)	804	&& (c.g <= 0x00ff || c.g >= 0xff00)
993	&& (c.b <= 0x00ff || c.b >= 0xff00))	805	&& (c.b <= 0x00ff || c.b >= 0xff00))
994	bg_flags |= BG_TINT_BITAND;	806	bg_flags |= BG_TINT_BITAND;
995	}	807	else
996
997	if (has_shade || (bg_flags & BG_TINT_SET))
998	bg_flags |= BG_NEEDS_TINT;
999	}
1000
1001	bool
1002	rxvt_term::bg_set_tint (rxvt_color &new_tint)
1003	{
1004	if (!(bg_flags & BG_TINT_SET) || tint != new_tint)
1005	{
1006	tint = new_tint;
1007	bg_flags |= BG_TINT_SET;	808	bg_flags &= ~BG_TINT_BITAND;
1008	set_tint_shade_flags ();	809
1009	return true;	810	return true;
1010	}	811	}
1011		812
1012	return false;	813	return false;
1013	}	814	}
1014		815
1015	bool	816	bool
1016	rxvt_term::bg_set_shade (const char *shade_str)	817	rxvt_term::bg_set_shade (const char *shade_str)
1017	{	818	{
1018	int new_shade = (shade_str) ? atoi (shade_str) : 100;	819	int new_shade = atoi (shade_str);
1019		820
1020	clamp_it (new_shade, -100, 200);	821	clamp_it (new_shade, -100, 200);
1021	if (new_shade < 0)	822	if (new_shade < 0)
1022	new_shade = 200 - (100 + new_shade);	823	new_shade = 200 - (100 + new_shade);
1023		824
1024	if (new_shade != shade)	825	if (new_shade != shade)
1025	{	826	{
1026	shade = new_shade;	827	shade = new_shade;
1027	set_tint_shade_flags ();
1028	return true;	828	return true;
1029	}	829	}
1030		830
1031	return false;	831	return false;
1032	}	832	}
…		…
1053	params[i+2] = XDoubleToFixed (kernel[i] / sum);	853	params[i+2] = XDoubleToFixed (kernel[i] / sum);
1054	}	854	}
1055	#endif	855	#endif
1056		856
1057	bool	857	bool
1058	rxvt_term::blur_pixmap (Pixmap pixmap, Visual *visual, int width, int height)	858	rxvt_term::blur_pixmap (Pixmap pixmap, int width, int height)
1059	{	859	{
1060	bool ret = false;	860	bool ret = false;
1061	#if XRENDER	861	#if XRENDER
		862	if (!(bg_flags & BG_HAS_RENDER_CONV))
		863	return false;
		864
1062	int size = max (h_blurRadius, v_blurRadius) * 2 + 1;	865	int size = max (h_blurRadius, v_blurRadius) * 2 + 1;
1063	double *kernel = (double *)malloc (size * sizeof (double));	866	double *kernel = (double *)malloc (size * sizeof (double));
1064	XFixed *params = (XFixed *)malloc ((size + 2) * sizeof (XFixed));	867	XFixed *params = (XFixed *)malloc ((size + 2) * sizeof (XFixed));
1065		868
1066	XRenderPictureAttributes pa;	869	XRenderPictureAttributes pa;
1067	XRenderPictFormat *format = XRenderFindVisualFormat (dpy, visual);	870	XRenderPictFormat *format = XRenderFindVisualFormat (dpy, visual);
1068		871
		872	pa.repeat = RepeatPad;
1069	Picture src = XRenderCreatePicture (dpy, pixmap, format, 0, &pa);	873	Picture src = XRenderCreatePicture (dpy, pixmap, format, CPRepeat, &pa);
		874	Pixmap tmp = XCreatePixmap (dpy, pixmap, width, height, depth);
1070	Picture dst = XRenderCreatePicture (dpy, pixmap, format, 0, &pa);	875	Picture dst = XRenderCreatePicture (dpy, tmp, format, CPRepeat, &pa);
		876	XFreePixmap (dpy, tmp);
1071		877
1072	if (kernel && params)	878	if (kernel && params)
1073	{	879	{
1074	if (h_blurRadius)
1075	{
1076	size = h_blurRadius * 2 + 1;	880	size = h_blurRadius * 2 + 1;
1077	get_gaussian_kernel (h_blurRadius, size, kernel, params);	881	get_gaussian_kernel (h_blurRadius, size, kernel, params);
1078		882
1079	XRenderSetPictureFilter (dpy, src, FilterConvolution, params, size+2);	883	XRenderSetPictureFilter (dpy, src, FilterConvolution, params, size+2);
1080	XRenderComposite (dpy,	884	XRenderComposite (dpy,
1081	PictOpSrc,	885	PictOpSrc,
1082	src,	886	src,
1083	None,	887	None,
1084	dst,	888	dst,
1085	0, 0,	889	0, 0,
1086	0, 0,	890	0, 0,
1087	0, 0,	891	0, 0,
1088	width, height);	892	width, height);
1089	}
1090		893
1091	if (v_blurRadius)	894	::swap (src, dst);
1092	{	895
1093	size = v_blurRadius * 2 + 1;	896	size = v_blurRadius * 2 + 1;
1094	get_gaussian_kernel (v_blurRadius, size, kernel, params);	897	get_gaussian_kernel (v_blurRadius, size, kernel, params);
1095	::swap (params[0], params[1]);	898	::swap (params[0], params[1]);
1096		899
1097	XRenderSetPictureFilter (dpy, src, FilterConvolution, params, size+2);	900	XRenderSetPictureFilter (dpy, src, FilterConvolution, params, size+2);
1098	XRenderComposite (dpy,	901	XRenderComposite (dpy,
1099	PictOpSrc,	902	PictOpSrc,
1100	src,	903	src,
1101	None,	904	None,
1102	dst,	905	dst,
1103	0, 0,	906	0, 0,
1104	0, 0,	907	0, 0,
1105	0, 0,	908	0, 0,
1106	width, height);	909	width, height);
1107	}
1108		910
1109	ret = true;	911	ret = true;
1110	}	912	}
1111		913
1112	free (kernel);	914	free (kernel);
…		…
1116	#endif	918	#endif
1117	return ret;	919	return ret;
1118	}	920	}
1119		921
1120	bool	922	bool
1121	rxvt_term::tint_pixmap (Pixmap pixmap, Visual *visual, int width, int height)	923	rxvt_term::tint_pixmap (Pixmap pixmap, int width, int height)
1122	{	924	{
1123	bool ret = false;	925	bool ret = false;
1124		926
1125	if (bg_flags & BG_TINT_BITAND)	927	if (shade == 100 && (bg_flags & BG_TINT_BITAND))
1126	{	928	{
1127	XGCValues gcv;	929	XGCValues gcv;
1128	GC gc;	930	GC gc;
1129		931
1130	/* In this case we can tint image server-side getting significant	932	/* In this case we can tint image server-side getting significant
…		…
1139	XFillRectangle (dpy, pixmap, gc, 0, 0, width, height);	941	XFillRectangle (dpy, pixmap, gc, 0, 0, width, height);
1140	ret = true;	942	ret = true;
1141	XFreeGC (dpy, gc);	943	XFreeGC (dpy, gc);
1142	}	944	}
1143	}	945	}
1144	else
1145	{
1146	# if XRENDER	946	# if XRENDER
		947	else if (bg_flags & BG_HAS_RENDER)
		948	{
1147	rgba c (rgba::MAX_CC, rgba::MAX_CC, rgba::MAX_CC);	949	rgba c (rgba::MAX_CC, rgba::MAX_CC, rgba::MAX_CC);
1148		950
1149	if (bg_flags & BG_TINT_SET)	951	if (bg_flags & BG_TINT_SET)
1150	tint.get (c);	952	tint.get (c);
1151		953
…		…
1160	c.r = c.r * (200 - shade) / 100;	962	c.r = c.r * (200 - shade) / 100;
1161	c.g = c.g * (200 - shade) / 100;	963	c.g = c.g * (200 - shade) / 100;
1162	c.b = c.b * (200 - shade) / 100;	964	c.b = c.b * (200 - shade) / 100;
1163	}	965	}
1164		966
1165	XRenderPictFormat *solid_format = XRenderFindStandardFormat (dpy, PictStandardARGB32);
1166	XRenderPictFormat *format = XRenderFindVisualFormat (dpy, visual);	967	XRenderPictFormat *format = XRenderFindVisualFormat (dpy, visual);
1167	XRenderPictureAttributes pa;
1168		968
1169	Picture back_pic = XRenderCreatePicture (dpy, pixmap, format, 0, &pa);	969	Picture back_pic = XRenderCreatePicture (dpy, pixmap, format, 0, 0);
1170		970
1171	pa.repeat = True;	971	Picture overlay_pic = create_xrender_mask (dpy, pixmap, True, False);
1172		972
1173	Pixmap overlay_pmap = XCreatePixmap (dpy, pixmap, 1, 1, 32);	973	Picture mask_pic = create_xrender_mask (dpy, pixmap, True, True);
1174	Picture overlay_pic = XRenderCreatePicture (dpy, overlay_pmap, solid_format, CPRepeat, &pa);
1175	XFreePixmap (dpy, overlay_pmap);
1176
1177	pa.component_alpha = True;
1178	Pixmap mask_pmap = XCreatePixmap (dpy, pixmap, 1, 1, 32);
1179	Picture mask_pic = XRenderCreatePicture (dpy, mask_pmap, solid_format, CPRepeat | CPComponentAlpha, &pa);
1180	XFreePixmap (dpy, mask_pmap);
1181		974
1182	XRenderColor mask_c;	975	XRenderColor mask_c;
1183		976
1184	mask_c.alpha = 0xffff;	977	mask_c.alpha = 0xffff;
1185	mask_c.red =	978	mask_c.red =
…		…
1190	mask_c.alpha = 0;	983	mask_c.alpha = 0;
1191	mask_c.red = 0xffff - c.r;	984	mask_c.red = 0xffff - c.r;
1192	mask_c.green = 0xffff - c.g;	985	mask_c.green = 0xffff - c.g;
1193	mask_c.blue = 0xffff - c.b;	986	mask_c.blue = 0xffff - c.b;
1194	XRenderFillRectangle (dpy, PictOpSrc, mask_pic, &mask_c, 0, 0, 1, 1);	987	XRenderFillRectangle (dpy, PictOpSrc, mask_pic, &mask_c, 0, 0, 1, 1);
		988
1195	XRenderComposite (dpy, PictOpOver, overlay_pic, mask_pic, back_pic, 0, 0, 0, 0, 0, 0, width, height);	989	XRenderComposite (dpy, PictOpOver, overlay_pic, mask_pic, back_pic, 0, 0, 0, 0, 0, 0, width, height);
1196		990
1197	if (shade > 100)	991	if (shade > 100)
1198	{	992	{
1199	mask_c.red = mask_c.green = mask_c.blue = 0xffff * (shade - 100) / 100;
1200	mask_c.alpha = 0;	993	mask_c.alpha = 0;
		994	mask_c.red =
		995	mask_c.green =
		996	mask_c.blue = 0xffff * (shade - 100) / 100;
1201	XRenderFillRectangle (dpy, PictOpSrc, overlay_pic, &mask_c, 0, 0, 1, 1);	997	XRenderFillRectangle (dpy, PictOpSrc, overlay_pic, &mask_c, 0, 0, 1, 1);
1202		998
1203	XRenderComposite (dpy, PictOpOver, overlay_pic, None, back_pic, 0, 0, 0, 0, 0, 0, width, height);	999	XRenderComposite (dpy, PictOpOver, overlay_pic, None, back_pic, 0, 0, 0, 0, 0, 0, width, height);
1204	}	1000	}
1205		1001
1206	ret = true;	1002	ret = true;
1207		1003
1208	XRenderFreePicture (dpy, mask_pic);	1004	XRenderFreePicture (dpy, mask_pic);
1209	XRenderFreePicture (dpy, overlay_pic);	1005	XRenderFreePicture (dpy, overlay_pic);
1210	XRenderFreePicture (dpy, back_pic);	1006	XRenderFreePicture (dpy, back_pic);
		1007	}
1211	# endif	1008	# endif
1212	}
1213		1009
1214	return ret;	1010	return ret;
1215	}	1011	}
1216		1012
1217	/*	1013	/*
1218	* Builds a pixmap of the same size as the terminal window that contains	1014	* Builds a pixmap of the same size as the terminal window that contains
1219	* the tiled portion of the root pixmap that is supposed to be covered by	1015	* the tiled portion of the root pixmap that is supposed to be covered by
1220	* our window.	1016	* our window.
1221	*/	1017	*/
1222	unsigned long	1018	bool
1223	rxvt_term::make_transparency_pixmap ()	1019	rxvt_term::make_transparency_pixmap ()
1224	{	1020	{
1225	unsigned long result = 0;	1021	bool ret = false;
1226		1022
1227	/* root dimensions may change from call to call - but Display structure should	1023	/* root dimensions may change from call to call - but Display structure should
1228	* be always up-to-date, so let's use it :	1024	* be always up-to-date, so let's use it :
1229	*/	1025	*/
1230	int screen = display->screen;	1026	int screen = display->screen;
…		…
1268	#if XRENDER	1064	#if XRENDER
1269	if (bg_flags & BG_HAS_RENDER)	1065	if (bg_flags & BG_HAS_RENDER)
1270	{	1066	{
1271	recoded_root_pmap = XCreatePixmap (dpy, vt, root_pmap_width, root_pmap_height, depth);	1067	recoded_root_pmap = XCreatePixmap (dpy, vt, root_pmap_width, root_pmap_height, depth);
1272		1068
1273	XRenderPictureAttributes pa;
1274
1275	XRenderPictFormat *src_format = XRenderFindVisualFormat (dpy, DefaultVisual (dpy, screen));	1069	XRenderPictFormat *src_format = XRenderFindVisualFormat (dpy, DefaultVisual (dpy, screen));
1276	Picture src = XRenderCreatePicture (dpy, root_pixmap, src_format, 0, &pa);	1070	Picture src = XRenderCreatePicture (dpy, root_pixmap, src_format, 0, 0);
1277		1071
1278	XRenderPictFormat *dst_format = XRenderFindVisualFormat (dpy, visual);	1072	XRenderPictFormat *dst_format = XRenderFindVisualFormat (dpy, visual);
1279	Picture dst = XRenderCreatePicture (dpy, recoded_root_pmap, dst_format, 0, &pa);	1073	Picture dst = XRenderCreatePicture (dpy, recoded_root_pmap, dst_format, 0, 0);
1280		1074
1281	XRenderComposite (dpy, PictOpSrc, src, None, dst, 0, 0, 0, 0, 0, 0, root_pmap_width, root_pmap_height);	1075	XRenderComposite (dpy, PictOpSrc, src, None, dst, 0, 0, 0, 0, 0, 0, root_pmap_width, root_pmap_height);
1282		1076
1283	XRenderFreePicture (dpy, src);	1077	XRenderFreePicture (dpy, src);
1284	XRenderFreePicture (dpy, dst);	1078	XRenderFreePicture (dpy, dst);
…		…
1301	bg_pmap_width = window_width;	1095	bg_pmap_width = window_width;
1302	bg_pmap_height = window_height;	1096	bg_pmap_height = window_height;
1303	}	1097	}
1304		1098
1305	/* straightforward pixmap copy */	1099	/* straightforward pixmap copy */
1306	while (sx < 0) sx += root_width;	1100	while (sx < 0) sx += root_pmap_width;
1307	while (sy < 0) sy += root_height;	1101	while (sy < 0) sy += root_pmap_height;
1308		1102
1309	gcv.tile = recoded_root_pmap;	1103	gcv.tile = recoded_root_pmap;
1310	gcv.fill_style = FillTiled;	1104	gcv.fill_style = FillTiled;
1311	gcv.ts_x_origin = -sx;	1105	gcv.ts_x_origin = -sx;
1312	gcv.ts_y_origin = -sy;	1106	gcv.ts_y_origin = -sy;
1313	gc = XCreateGC (dpy, vt, GCFillStyle | GCTile | GCTileStipXOrigin | GCTileStipYOrigin, &gcv);	1107	gc = XCreateGC (dpy, vt, GCFillStyle | GCTile | GCTileStipXOrigin | GCTileStipYOrigin, &gcv);
1314		1108
1315	if (gc)	1109	if (gc)
1316	{	1110	{
1317	XFillRectangle (dpy, bg_pixmap, gc, 0, 0, window_width, window_height);	1111	XFillRectangle (dpy, bg_pixmap, gc, 0, 0, window_width, window_height);
1318	result |= BG_IS_VALID | (bg_flags & BG_EFFECTS_FLAGS);	1112	ret = true;
1319	XFreeGC (dpy, gc);	1113	bool need_blur = h_blurRadius && v_blurRadius;
		1114	bool need_tint = shade != 100 || (bg_flags & BG_TINT_SET);
1320		1115
1321	if (!(bg_flags & BG_CLIENT_RENDER))	1116	if (!(bg_flags & BG_CLIENT_RENDER))
1322	{	1117	{
1323	if ((bg_flags & BG_NEEDS_BLUR)	1118	if (need_blur)
1324	&& (bg_flags & BG_HAS_RENDER_CONV))
1325	{	1119	{
1326	if (blur_pixmap (bg_pixmap, visual, window_width, window_height))	1120	if (blur_pixmap (bg_pixmap, window_width, window_height))
1327	result &= ~BG_NEEDS_BLUR;	1121	need_blur = false;
1328	}	1122	}
1329	if ((bg_flags & BG_NEEDS_TINT)	1123	if (need_tint)
1330	&& (bg_flags & (BG_TINT_BITAND | BG_HAS_RENDER)))
1331	{	1124	{
1332	if (tint_pixmap (bg_pixmap, visual, window_width, window_height))	1125	if (tint_pixmap (bg_pixmap, window_width, window_height))
1333	result &= ~BG_NEEDS_TINT;	1126	need_tint = false;
		1127	}
		1128	if (need_tint)
		1129	{
		1130	XImage *ximage = XGetImage (dpy, bg_pixmap, 0, 0, bg_pmap_width, bg_pmap_height, AllPlanes, ZPixmap);
		1131	if (ximage)
		1132	{
		1133	/* our own client-side tinting */
		1134	tint_ximage (ximage);
		1135
		1136	XPutImage (dpy, bg_pixmap, gc, ximage, 0, 0, 0, 0, ximage->width, ximage->height);
		1137	XDestroyImage (ximage);
		1138	}
1334	}	1139	}
1335	} /* server side rendering completed */	1140	} /* server side rendering completed */
		1141
		1142	XFreeGC (dpy, gc);
1336	}	1143	}
1337		1144
1338	if (recoded_root_pmap != root_pixmap)	1145	if (recoded_root_pmap != root_pixmap)
1339	XFreePixmap (dpy, recoded_root_pmap);	1146	XFreePixmap (dpy, recoded_root_pmap);
1340		1147
1341	return result;	1148	return ret;
1342	}	1149	}
1343		1150
1344	void	1151	void
1345	rxvt_term::bg_set_root_pixmap ()	1152	rxvt_term::bg_set_root_pixmap ()
1346	{	1153	{
…		…
1350		1157
1351	root_pixmap = new_root_pixmap;	1158	root_pixmap = new_root_pixmap;
1352	}	1159	}
1353	# endif /* ENABLE_TRANSPARENCY */	1160	# endif /* ENABLE_TRANSPARENCY */
1354		1161
1355	#if defined(ENABLE_TRANSPARENCY) && !defined(HAVE_AFTERIMAGE)
1356	static void shade_ximage (Visual *visual, XImage *ximage, int shade, const rgba &c);
1357	# endif
1358
1359	bool	1162	bool
1360	rxvt_term::bg_render ()	1163	rxvt_term::bg_render ()
1361	{	1164	{
1362	unsigned long tr_flags = 0;
1363
1364	bg_invalidate ();	1165	bg_invalidate ();
1365	# ifdef ENABLE_TRANSPARENCY	1166	# ifdef ENABLE_TRANSPARENCY
1366	if (bg_flags & BG_IS_TRANSPARENT)	1167	if (bg_flags & BG_IS_TRANSPARENT)
1367	{	1168	{
1368	/* we need to re-generate transparency pixmap in that case ! */	1169	/* we need to re-generate transparency pixmap in that case ! */
1369	tr_flags = make_transparency_pixmap ();	1170	if (make_transparency_pixmap ())
1370	if (tr_flags == 0)
1371	return false;
1372	else if (!(tr_flags & BG_EFFECTS_FLAGS))
1373	bg_flags |= BG_IS_VALID;	1171	bg_flags |= BG_IS_VALID;
1374	}	1172	}
1375	# endif	1173	# endif
1376		1174
1377	# ifdef BG_IMAGE_FROM_FILE	1175	# ifdef BG_IMAGE_FROM_FILE
1378	if ((bg_flags & BG_IS_FROM_FILE)	1176	for (vector<rxvt_image>::iterator bg_image = image_vec.begin (); bg_image < image_vec.end (); bg_image++)
1379	|| (tr_flags & BG_EFFECTS_FLAGS))
1380	{	1177	{
1381	if (render_image (tr_flags))	1178	if (render_image (*bg_image))
1382	bg_flags |= BG_IS_VALID;	1179	bg_flags |= BG_IS_VALID;
1383	}
1384	# endif
1385
1386	# if defined(ENABLE_TRANSPARENCY) && !defined(HAVE_AFTERIMAGE)
1387	XImage *result = NULL;
1388
1389	if (tr_flags && !(bg_flags & BG_IS_VALID))
1390	{
1391	result = XGetImage (dpy, bg_pixmap, 0, 0, bg_pmap_width, bg_pmap_height, AllPlanes, ZPixmap);
1392	}
1393
1394	if (result)
1395	{
1396	/* our own client-side tinting */
1397	if (tr_flags & BG_NEEDS_TINT)
1398	{
1399	rgba c (rgba::MAX_CC,rgba::MAX_CC,rgba::MAX_CC);
1400	if (bg_flags & BG_TINT_SET)
1401	tint.get (c);
1402	shade_ximage (DefaultVisual (dpy, display->screen), result, shade, c);
1403	}
1404
1405	GC gc = XCreateGC (dpy, vt, 0UL, NULL);
1406
1407	if (gc)
1408	{
1409	XPutImage (dpy, bg_pixmap, gc, result, 0, 0, 0, 0, result->width, result->height);
1410
1411	XFreeGC (dpy, gc);
1412	bg_flags |= BG_IS_VALID;
1413	}
1414
1415	XDestroyImage (result);
1416	}	1180	}
1417	# endif	1181	# endif
1418		1182
1419	if (!(bg_flags & BG_IS_VALID))	1183	if (!(bg_flags & BG_IS_VALID))
1420	{	1184	{
…		…
1453	bg_flags |= BG_HAS_RENDER_CONV;	1217	bg_flags |= BG_HAS_RENDER_CONV;
1454		1218
1455	XFree (filters);	1219	XFree (filters);
1456	}	1220	}
1457	#endif	1221	#endif
		1222
		1223	#ifdef BG_IMAGE_FROM_FILE
		1224	if (rs[Rs_backgroundPixmap])
		1225	{
		1226	rxvt_image *image = new_image ();
		1227	if (!image->set_file_geometry (rs[Rs_backgroundPixmap]))
		1228	image_vec.pop_back ();
		1229	}
		1230
		1231	# ifndef NO_RESOURCES
		1232	find_resources ("image", "Image", XrmEnumAllLevels, rxvt_define_image);
		1233	vector<rxvt_image>::iterator bg_image = image_vec.begin ();
		1234	while (bg_image != image_vec.end ())
		1235	{
		1236	if (!(bg_image->flags & IM_IS_SET))
		1237	bg_image = image_vec.erase (bg_image);
		1238	else
		1239	bg_image++;
		1240	}
		1241	# endif
		1242
		1243	if (image_vec.size () > 0
		1244	&& !bg_window_position_sensitive ())
		1245	update_background ();
		1246	#endif
1458	}	1247	}
1459		1248
1460	#endif /* HAVE_BG_PIXMAP */	1249	#endif /* HAVE_BG_PIXMAP */
1461		1250
1462	#if defined(ENABLE_TRANSPARENCY) && !defined(HAVE_AFTERIMAGE)	1251	#ifdef ENABLE_TRANSPARENCY
1463	/* taken from aterm-0.4.2 */	1252	/* based on code from aterm-0.4.2 */
1464		1253
1465	static void	1254	static inline void
1466	shade_ximage (Visual *visual, XImage *ximage, int shade, const rgba &c)	1255	fill_lut (uint32_t *lookup, uint32_t mask, int sh, unsigned short low, unsigned short high)
1467	{	1256	{
		1257	for (int i = 0; i <= mask >> sh; i++)
		1258	{
		1259	uint32_t tmp;
		1260	tmp = i * high;
		1261	tmp += (mask >> sh) * low;
		1262	lookup[i] = (tmp / 0xffff) << sh;
		1263	}
		1264	}
		1265
		1266	void
		1267	rxvt_term::tint_ximage (XImage *ximage)
		1268	{
		1269	unsigned int size_r, size_g, size_b;
1468	int sh_r, sh_g, sh_b;	1270	int sh_r, sh_g, sh_b;
1469	uint32_t mask_r, mask_g, mask_b;	1271	uint32_t mask_r, mask_g, mask_b;
1470	uint32_t *lookup, *lookup_r, *lookup_g, *lookup_b;	1272	uint32_t *lookup, *lookup_r, *lookup_g, *lookup_b;
1471	rgba low;	1273	unsigned short low;
1472	rgba high;
1473	int i;
1474	int host_byte_order = ecb_big_endian () ? MSBFirst : LSBFirst;	1274	int host_byte_order = ecb_big_endian () ? MSBFirst : LSBFirst;
1475		1275
1476	if (visual->c_class != TrueColor || ximage->format != ZPixmap) return;	1276	if (visual->c_class != TrueColor || ximage->format != ZPixmap) return;
1477		1277
1478	/* for convenience */	1278	/* for convenience */
1479	mask_r = visual->red_mask;	1279	mask_r = visual->red_mask;
1480	mask_g = visual->green_mask;	1280	mask_g = visual->green_mask;
1481	mask_b = visual->blue_mask;	1281	mask_b = visual->blue_mask;
1482		1282
1483	/* boring lookup table pre-initialization */	1283	/* boring lookup table pre-initialization */
1484	switch (ximage->depth)	1284	sh_r = ecb_ctz32 (mask_r);
1485	{	1285	sh_g = ecb_ctz32 (mask_g);
1486	case 15:	1286	sh_b = ecb_ctz32 (mask_b);
1487	if ((mask_r != 0x7c00) ||	1287
1488	(mask_g != 0x03e0) ||	1288	size_r = mask_r >> sh_r;
1489	(mask_b != 0x001f))	1289	size_g = mask_g >> sh_g;
		1290	size_b = mask_b >> sh_b;
		1291
		1292	if (size_r++ > 255 || size_g++ > 255 || size_b++ > 255)
1490	return;	1293	return;
1491	lookup = (uint32_t *) malloc (sizeof (uint32_t)*(32+32+32));	1294
		1295	lookup = (uint32_t *)malloc (sizeof (uint32_t) * (size_r + size_g + size_b));
1492	lookup_r = lookup;	1296	lookup_r = lookup;
1493	lookup_g = lookup+32;	1297	lookup_g = lookup + size_r;
1494	lookup_b = lookup+32+32;	1298	lookup_b = lookup + size_r + size_g;
1495	sh_r = 10;	1299
1496	sh_g = 5;	1300	rgba c (rgba::MAX_CC, rgba::MAX_CC, rgba::MAX_CC);
1497	sh_b = 0;	1301
1498	break;	1302	if (bg_flags & BG_TINT_SET)
1499	case 16:	1303	tint.get (c);
1500	if ((mask_r != 0xf800) ||
1501	(mask_g != 0x07e0) ||
1502	(mask_b != 0x001f))
1503	return;
1504	lookup = (uint32_t *) malloc (sizeof (uint32_t)*(32+64+32));
1505	lookup_r = lookup;
1506	lookup_g = lookup+32;
1507	lookup_b = lookup+32+64;
1508	sh_r = 11;
1509	sh_g = 5;
1510	sh_b = 0;
1511	break;
1512	case 24:
1513	if ((mask_r != 0xff0000) ||
1514	(mask_g != 0x00ff00) ||
1515	(mask_b != 0x0000ff))
1516	return;
1517	lookup = (uint32_t *) malloc (sizeof (uint32_t)*(256+256+256));
1518	lookup_r = lookup;
1519	lookup_g = lookup+256;
1520	lookup_b = lookup+256+256;
1521	sh_r = 16;
1522	sh_g = 8;
1523	sh_b = 0;
1524	break;
1525	case 32:
1526	if ((mask_r != 0xff0000) ||
1527	(mask_g != 0x00ff00) ||
1528	(mask_b != 0x0000ff))
1529	return;
1530	lookup = (uint32_t *) malloc (sizeof (uint32_t)*(256+256+256));
1531	lookup_r = lookup;
1532	lookup_g = lookup+256;
1533	lookup_b = lookup+256+256;
1534	sh_r = 16;
1535	sh_g = 8;
1536	sh_b = 0;
1537	break;
1538	default:
1539	return; /* we do not support this color depth */
1540	}
1541		1304
1542	/* prepare limits for color transformation (each channel is handled separately) */	1305	/* prepare limits for color transformation (each channel is handled separately) */
1543	if (shade > 100)	1306	if (shade > 100)
1544	{	1307	{
1545	shade = 200 - shade;
1546
1547	high.r = c.r * shade / 100;
1548	high.g = c.g * shade / 100;
1549	high.b = c.b * shade / 100;
1550
1551	low.r = 65535 * (100 - shade) / 100;	1308	c.r = c.r * (200 - shade) / 100;
1552	low.g = 65535 * (100 - shade) / 100;	1309	c.g = c.g * (200 - shade) / 100;
1553	low.b = 65535 * (100 - shade) / 100;	1310	c.b = c.b * (200 - shade) / 100;
		1311
		1312	low = 0xffff * (shade - 100) / 100;
1554	}	1313	}
1555	else	1314	else
1556	{	1315	{
1557	high.r = c.r * shade / 100;	1316	c.r = c.r * shade / 100;
1558	high.g = c.g * shade / 100;	1317	c.g = c.g * shade / 100;
1559	high.b = c.b * shade / 100;	1318	c.b = c.b * shade / 100;
1560		1319
1561	low.r = low.g = low.b = 0;	1320	low = 0;
1562	}	1321	}
1563		1322
1564	/* fill our lookup tables */	1323	/* fill our lookup tables */
1565	for (i = 0; i <= mask_r>>sh_r; i++)	1324	fill_lut (lookup_r, mask_r, sh_r, low, c.r);
1566	{	1325	fill_lut (lookup_g, mask_g, sh_g, low, c.g);
1567	uint32_t tmp;	1326	fill_lut (lookup_b, mask_b, sh_b, low, c.b);
1568	tmp = i * high.r;
1569	tmp += (mask_r>>sh_r) * low.r;
1570	lookup_r[i] = (tmp/65535)<<sh_r;
1571	}
1572	for (i = 0; i <= mask_g>>sh_g; i++)
1573	{
1574	uint32_t tmp;
1575	tmp = i * high.g;
1576	tmp += (mask_g>>sh_g) * low.g;
1577	lookup_g[i] = (tmp/65535)<<sh_g;
1578	}
1579	for (i = 0; i <= mask_b>>sh_b; i++)
1580	{
1581	uint32_t tmp;
1582	tmp = i * high.b;
1583	tmp += (mask_b>>sh_b) * low.b;
1584	lookup_b[i] = (tmp/65535)<<sh_b;
1585	}
1586		1327
1587	/* apply table to input image (replacing colors by newly calculated ones) */	1328	/* apply table to input image (replacing colors by newly calculated ones) */
1588	if (ximage->bits_per_pixel == 32	1329	if (ximage->bits_per_pixel == 32
1589	&& (ximage->depth == 24 || ximage->depth == 32)
1590	&& ximage->byte_order == host_byte_order)	1330	&& ximage->byte_order == host_byte_order)
1591	{	1331	{
1592	uint32_t *p1, *pf, *p, *pl;	1332	char *line = ximage->data;
1593	p1 = (uint32_t *) ximage->data;
1594	pf = (uint32_t *) (ximage->data + ximage->height * ximage->bytes_per_line);
1595		1333
1596	while (p1 < pf)	1334	for (int y = 0; y < ximage->height; y++)
1597	{	1335	{
1598	p = p1;	1336	uint32_t *p = (uint32_t *)line;
1599	pl = p1 + ximage->width;	1337	for (int x = 0; x < ximage->width; x++)
1600	for (; p < pl; p++)
1601	{	1338	{
1602	*p = lookup_r[(*p & 0xff0000) >> 16] |	1339	*p = lookup_r[(*p & mask_r) >> sh_r] |
1603	lookup_g[(*p & 0x00ff00) >> 8] |	1340	lookup_g[(*p & mask_g) >> sh_g] |
1604	lookup_b[(*p & 0x0000ff)] |	1341	lookup_b[(*p & mask_b) >> sh_b];
1605	(*p & 0xff000000);	1342	p++;
1606	}	1343	}
1607	p1 = (uint32_t *) ((char *) p1 + ximage->bytes_per_line);	1344	line += ximage->bytes_per_line;
1608	}	1345	}
1609	}	1346	}
1610	else	1347	else
1611	{	1348	{
1612	for (int y = 0; y < ximage->height; y++)	1349	for (int y = 0; y < ximage->height; y++)
…		…
1620	}	1357	}
1621	}	1358	}
1622		1359
1623	free (lookup);	1360	free (lookup);
1624	}	1361	}
1625	#endif /* defined(ENABLE_TRANSPARENCY) && !defined(HAVE_AFTERIMAGE) */	1362	#endif /* ENABLE_TRANSPARENCY */

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