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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 1.228 by sf-exg, Thu May 31 20:23:51 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 (is_size_sensitive ())
		309	flags |= IM_IS_SIZE_SENSITIVE;
		310	else
		311	flags &= ~IM_IS_SIZE_SENSITIVE;
		312
350	return changed;	313	return changed;
351	}	314	}
352		315
353	void	316	void
354	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)
355	{	318	{
		319	int image_width = image.width ();
		320	int image_height = image.height ();
356	int target_width = szHint.width;	321	int target_width = szHint.width;
357	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);
358		325
359	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)
360	{	330	{
361	float scale = (float)target_width / image_width;	331	float scale = (float)w / image_width;
362	min_it (scale, (float)target_height / image_height);	332	min_it (scale, (float)h / image_height);
363	w = image_width * scale + 0.5;	333	w = image_width * scale + 0.5;
364	h = image_height * scale + 0.5;	334	h = image_height * scale + 0.5;
365	}	335	}
366	else
367	{
368	w = h_scale * target_width / 100;
369	h = v_scale * target_height / 100;
370	}
371		336
372	if (!w) w = image_width;	337	if (!w) w = image_width;
373	if (!h) h = image_height;	338	if (!h) h = image_height;
374		339
375	if (bg_flags & BG_ROOT_ALIGN)	340	if (image.flags & IM_ROOT_ALIGN)
376	{	341	{
377	x = -target_x;	342	x = -target_x;
378	y = -target_y;	343	y = -target_y;
379	}	344	}
380	else	345	else
381	{	346	{
382	x = make_align_position (h_align, target_width, w);	347	x = make_align_position (image.h_align, target_width, w);
383	y = make_align_position (v_align, target_height, h);	348	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	{	349	}
409	ShadingInfo as_shade;	350	}
410	as_shade.shading = shade;
411		351
412	rgba c (rgba::MAX_CC,rgba::MAX_CC,rgba::MAX_CC);	352	# ifdef HAVE_PIXBUF
413	if (bg_flags & BG_TINT_SET)	353	bool
414	tint.get (c);	354	rxvt_term::pixbuf_to_pixmap (GdkPixbuf *pixbuf, Pixmap pixmap, GC gc,
415	as_shade.tintColor.red = c.r;	355	int src_x, int src_y, int dst_x, int dst_y,
416	as_shade.tintColor.green = c.g;	356	unsigned int width, unsigned int height, bool argb)
417	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;
418		366
419	background_tint = shading2tint32 (&as_shade);	367	if (visual->c_class != TrueColor)
		368	return false;
		369
		370	if (argb)
420	}	371	{
421		372	red_mask = 0xff << 16;
422	if ((tr_flags & BG_NEEDS_BLUR) && background != NULL)	373	green_mask = 0xff << 8;
		374	blue_mask = 0xff;
		375	alpha_mask = 0xff << 24;
423	{	376	}
424	ASImage *tmp = blur_asimage_gauss (asv, background, h_blurRadius, v_blurRadius, 0xFFFFFFFF,	377	else
425	(original_asim == NULL || tint == TINT_LEAVE_SAME) ? ASA_XImage : ASA_ASImage,	378	{
426	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);
427	if (tmp)	384	if (format)
428	{	385	alpha_mask = (uint32_t)format->direct.alphaMask << format->direct.alpha;
429	destroy_asimage (&background);	386	else
430	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++)
431	}	439	{
432	}	440	unsigned char *pixel = row + x * channels;
433	# endif	441	uint32_t value;
		442	unsigned char r, g, b, a;
434		443
435	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	&& !(bg_flags & BG_HAS_RENDER))
		490	return false;
		491
		492	GdkPixbuf *result;
		493
		494	int image_width = gdk_pixbuf_get_width (pixbuf);
		495	int image_height = gdk_pixbuf_get_height (pixbuf);
436		496
437	int target_width = szHint.width;	497	int target_width = szHint.width;
438	int target_height = szHint.height;	498	int target_height = szHint.height;
439	int new_pmap_width = target_width;	499	int new_pmap_width = target_width;
440	int new_pmap_height = target_height;	500	int new_pmap_height = target_height;
…		…
442	int x = 0;	502	int x = 0;
443	int y = 0;	503	int y = 0;
444	int w = 0;	504	int w = 0;
445	int h = 0;	505	int h = 0;
446		506
447	if (original_asim)	507	get_image_geometry (image, w, h, x, y);
448	get_image_geometry (original_asim->width, original_asim->height, w, h, x, y);
449		508
450	if (!original_asim	509	if (!(image.flags & IM_ROOT_ALIGN)
451	|| (!(bg_flags & BG_ROOT_ALIGN)
452	&& (x >= target_width	510	&& (x >= target_width
453	|| y >= target_height	511	|| y >= target_height
454	|| (x + w <= 0)	512	|| x + w <= 0
455	|| (y + h <= 0))))	513	|| y + h <= 0))
456	{	514	return false;
457	if (background)
458	{
459	new_pmap_width = background->width;
460	new_pmap_height = background->height;
461	result = background;
462		515
463	if (background_tint != TINT_LEAVE_SAME)	516	result = pixbuf;
464	{	517
465	ASImage *tmp = tile_asimage (asv, background, 0, 0,	518	if (w != image_width
466	target_width, target_height, background_tint,	519	|| h != image_height)
467	ASA_XImage, 100, ASIMAGE_QUALITY_DEFAULT);
468	if (tmp)
469	result = tmp;
470	}
471	}
472	else
473	new_pmap_width = new_pmap_height = 0;
474	}	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);
475	else	540	else
476	{	541	{
477	result = original_asim;	542	// optimise bg pixmap size when tiling, but only if there are no
478		543	// other pixbufs to render. Otherwise, the bg pixmap size must
479	if ((w != original_asim->width)	544	// be equal to the window size.
480	|| (h != original_asim->height))	545	if ((image.flags & IM_TILE)
481	{	546	&& image_vec.size () == 1)
482	result = scale_asimage (asv, original_asim,
483	w, h,
484	background ? ASA_ASImage : ASA_XImage,
485	100, ASIMAGE_QUALITY_DEFAULT);
486	}	547	{
487		548	new_pmap_width = min (image_width, target_width);
488	if (background == NULL)	549	new_pmap_height = min (image_height, target_height);
489	{	550	}
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		551
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	552	if (bg_pixmap == None
582	|| bg_pmap_width != new_pmap_width	553	|| bg_pmap_width != new_pmap_width
583	|| bg_pmap_height != new_pmap_height)	554	|| bg_pmap_height != new_pmap_height)
584	{	555	{
585	if (bg_pixmap)	556	if (bg_pixmap)
586	XFreePixmap (dpy, bg_pixmap);	557	XFreePixmap (dpy, bg_pixmap);
587	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);
588	bg_pmap_width = new_pmap_width;	559	bg_pmap_width = new_pmap_width;
589	bg_pmap_height = new_pmap_height;	560	bg_pmap_height = new_pmap_height;
590	}	561	}
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		562
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;	563	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	}	564	}
794		565
795	gcv.foreground = pix_colors[Color_bg];	566	gcv.foreground = pix_colors[Color_bg];
796	gc = XCreateGC (dpy, vt, GCForeground, &gcv);	567	gc = XCreateGC (dpy, tmp_pixmap, GCForeground, &gcv);
797		568
798	if (gc)	569	if (gc)
799	{	570	{
800	if (bg_flags & BG_TILE)	571	if (image.flags & IM_TILE)
801	{	572	{
802	Pixmap tile = XCreatePixmap (dpy, vt, image_width, image_height, depth);	573	Pixmap tile = XCreatePixmap (dpy, vt, image_width, image_height, need_blend ? 32 : depth);
803	pixbuf_to_pixmap (result, tile, gc,	574	pixbuf_to_pixmap (result, tile, gc,
804	0, 0,	575	0, 0,
805	0, 0,	576	0, 0,
806	image_width, image_height);	577	image_width, image_height, need_blend);
807		578
808	gcv.tile = tile;	579	gcv.tile = tile;
809	gcv.fill_style = FillTiled;	580	gcv.fill_style = FillTiled;
810	gcv.ts_x_origin = x;	581	gcv.ts_x_origin = x;
811	gcv.ts_y_origin = y;	582	gcv.ts_y_origin = y;
812	XChangeGC (dpy, gc, GCFillStyle | GCTile | GCTileStipXOrigin | GCTileStipYOrigin, &gcv);	583	XChangeGC (dpy, gc, GCFillStyle | GCTile | GCTileStipXOrigin | GCTileStipYOrigin, &gcv);
813		584
814	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);
815	XFreePixmap (dpy, tile);	586	XFreePixmap (dpy, tile);
816	}	587	}
817	else	588	else
818	{	589	{
819	int src_x, src_y, dst_x, dst_y;	590	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);	594	src_y = make_clip_rectangle (y, image_height, new_pmap_height, dst_y, dst_height);
824		595
825	if (dst_x > 0 || dst_y > 0	596	if (dst_x > 0 || dst_y > 0
826	|| dst_x + dst_width < new_pmap_width	597	|| dst_x + dst_width < new_pmap_width
827	|| dst_y + dst_height < new_pmap_height)	598	|| dst_y + dst_height < new_pmap_height)
828	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);
829		600
830	if (dst_x < new_pmap_width && dst_y < new_pmap_height)	601	if (dst_x < new_pmap_width && dst_y < new_pmap_height)
831	pixbuf_to_pixmap (result, bg_pixmap, gc,	602	pixbuf_to_pixmap (result, tmp_pixmap, gc,
832	src_x, src_y,	603	src_x, src_y,
833	dst_x, dst_y,	604	dst_x, dst_y,
834	dst_width, dst_height);	605	dst_width, dst_height, need_blend);
835	}	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);
836		612
837	#if XRENDER	613	#if XRENDER
838	if (tr_flags)	614	if (need_blend)
839	{	615	{
840	XRenderPictureAttributes pa;	616	XRenderPictFormat *argb_format = XRenderFindStandardFormat (dpy, PictStandardARGB32);
841
842	XRenderPictFormat *src_format = XRenderFindVisualFormat (dpy, visual);	617	XRenderPictFormat *format = XRenderFindVisualFormat (dpy, visual);
		618
843	Picture src = XRenderCreatePicture (dpy, root_pmap, src_format, 0, &pa);	619	Picture src = XRenderCreatePicture (dpy, tmp_pixmap, argb_format, 0, 0);
844		620
845	XRenderPictFormat *dst_format = XRenderFindVisualFormat (dpy, visual);
846	Picture dst = XRenderCreatePicture (dpy, bg_pixmap, dst_format, 0, &pa);	621	Picture dst = XRenderCreatePicture (dpy, bg_pixmap, format, 0, 0);
847		622
848	pa.repeat = True;	623	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		624
854	XRenderColor mask_c;	625	XRenderColor mask_c;
855		626
856	mask_c.alpha = 0x8000;	627	mask_c.alpha = image.alpha;
857	mask_c.red = 0;	628	mask_c.red =
858	mask_c.green = 0;	629	mask_c.green =
859	mask_c.blue = 0;	630	mask_c.blue = 0;
860	XRenderFillRectangle (dpy, PictOpSrc, mask, &mask_c, 0, 0, 1, 1);	631	XRenderFillRectangle (dpy, PictOpSrc, mask, &mask_c, 0, 0, 1, 1);
		632
861	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);
862		634
863	XRenderFreePicture (dpy, src);	635	XRenderFreePicture (dpy, src);
864	XRenderFreePicture (dpy, dst);	636	XRenderFreePicture (dpy, dst);
865	XRenderFreePicture (dpy, mask);	637	XRenderFreePicture (dpy, mask);
…		…
872	}	644	}
873		645
874	if (result != pixbuf)	646	if (result != pixbuf)
875	g_object_unref (result);	647	g_object_unref (result);
876		648
877	if (tr_flags)	649	if (need_blend)
878	XFreePixmap (dpy, root_pmap);	650	XFreePixmap (dpy, tmp_pixmap);
879		651
880	return ret;	652	return ret;
881	}	653	}
882	# endif /* HAVE_PIXBUF */	654	# endif /* HAVE_PIXBUF */
883		655
		656	# ifndef NO_RESOURCES
		657	static int
		658	rxvt_define_image (XrmDatabase *database ecb_unused,
		659	XrmBindingList bindings ecb_unused,
		660	XrmQuarkList quarks,
		661	XrmRepresentation *type ecb_unused,
		662	XrmValue *value,
		663	XPointer closure ecb_unused)
		664	{
		665	int size;
		666
		667	for (size = 0; quarks[size] != NULLQUARK; size++)
		668	;
		669
		670	if (size >= 2)
		671	{
		672	int id = strtol (XrmQuarkToString (quarks[size-2]), 0, 0);
		673	if (id >= 1)
		674	GET_R->parse_image (id, XrmQuarkToString (quarks[size-1]), (char *)value->addr);
		675	}
		676	return False;
		677	}
		678
		679	void
		680	rxvt_term::parse_image (int id, const char *type, const char *arg)
		681	{
		682	if (image_vec.size () < id + 1)
		683	image_vec.resize (id + 1);
		684
		685	rxvt_image *image = &image_vec[id];
		686	}
		687	# endif
		688
		689	rxvt_image::rxvt_image ()
		690	{
		691	alpha = 0xffff;
		692	flags = 0;
		693	h_scale =
		694	v_scale = defaultScale;
		695	h_align =
		696	v_align = defaultAlign;
		697
		698	# ifdef HAVE_PIXBUF
		699	pixbuf = 0;
		700	# endif
		701	}
		702
884	bool	703	bool
885	rxvt_term::bg_set_file (const char *file)	704	rxvt_image::set_file_geometry (const char *file)
886	{	705	{
887	if (!file || !*file)	706	if (!file || !*file)
888	return false;	707	return false;
889		708
890	if (const char *p = strchr (file, ';'))	709	const char *p = strchr (file, ';');
		710
		711	if (p)
891	{	712	{
892	size_t len = p - file;	713	size_t len = p - file;
893	char *f = rxvt_temp_buf<char> (len + 1);	714	char *f = rxvt_temp_buf<char> (len + 1);
894	memcpy (f, file, len);	715	memcpy (f, file, len);
895	f[len] = '\0';	716	f[len] = '\0';
896	file = f;	717	file = f;
897	}	718	}
898		719
899	# ifdef HAVE_AFTERIMAGE	720	bool ret = set_file (file);
900	if (!asimman)	721	alpha = 0x8000;
901	asimman = create_generic_imageman (rs[Rs_path]);	722	if (ret)
902	ASImage *image = get_asimage (asimman, file, 0xFFFFFFFF, 100);	723	set_geometry (p ? p + 1 : "");
903	if (image)	724	return ret;
904	{	725	}
905	if (original_asim)	726
906	safe_asimage_destroy (original_asim);	727	bool
907	original_asim = image;	728	rxvt_image::set_file (const char *file)
908	bg_flags |= BG_IS_FROM_FILE | BG_CLIENT_RENDER;	729	{
909	return true;	730	bool ret = false;
910	}
911	# endif
912		731
913	# ifdef HAVE_PIXBUF	732	# ifdef HAVE_PIXBUF
914	GdkPixbuf *image = gdk_pixbuf_new_from_file (file, NULL);	733	GdkPixbuf *image = gdk_pixbuf_new_from_file (file, NULL);
915	if (image)	734	if (image)
916	{	735	{
917	if (pixbuf)	736	if (pixbuf)
918	g_object_unref (pixbuf);	737	g_object_unref (pixbuf);
919	pixbuf = image;	738	pixbuf = image;
920	bg_flags |= BG_IS_FROM_FILE;
921	return true;	739	ret = true;
922	}	740	}
923	# endif	741	# endif
924		742
		743	if (ret)
		744	flags |= IM_IS_SET;
		745
925	return false;	746	return ret;
926	}	747	}
927		748
928	# endif /* BG_IMAGE_FROM_FILE */	749	# endif /* BG_IMAGE_FROM_FILE */
929		750
930	# ifdef ENABLE_TRANSPARENCY
931	bool	751	bool
932	rxvt_term::bg_set_transparent ()	752	image_effects::set_blur (const char *geom)
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
944	rxvt_term::bg_set_blur (const char *geom)
945	{	753	{
946	bool changed = false;	754	bool changed = false;
947	unsigned int hr, vr;	755	unsigned int hr, vr;
948	int junk;	756	int junk;
949	int geom_flags = XParseGeometry (geom, &junk, &junk, &hr, &vr);	757	int geom_flags = XParseGeometry (geom, &junk, &junk, &hr, &vr);
…		…
966	{	774	{
967	changed = true;	775	changed = true;
968	v_blurRadius = vr;	776	v_blurRadius = vr;
969	}	777	}
970		778
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;	779	return changed;
977	}	780	}
978		781
979	void
980	rxvt_term::set_tint_shade_flags ()
981	{
982	rgba c (rgba::MAX_CC,rgba::MAX_CC,rgba::MAX_CC);
983	bool has_shade = shade != 100;
984
985	bg_flags &= ~BG_TINT_FLAGS;
986
987	if (bg_flags & BG_TINT_SET)
988	{
989	tint.get (c);
990	if (!has_shade
991	&& (c.r <= 0x00ff || c.r >= 0xff00)
992	&& (c.g <= 0x00ff || c.g >= 0xff00)
993	&& (c.b <= 0x00ff || c.b >= 0xff00))
994	bg_flags |= BG_TINT_BITAND;
995	}
996
997	if (has_shade || (bg_flags & BG_TINT_SET))
998	bg_flags |= BG_NEEDS_TINT;
999	}
1000
1001	bool	782	bool
1002	rxvt_term::bg_set_tint (rxvt_color &new_tint)	783	image_effects::set_tint (const rxvt_color &new_tint)
1003	{	784	{
1004	if (!(bg_flags & BG_TINT_SET) || tint != new_tint)	785	if (!tint_set || tint != new_tint)
1005	{	786	{
1006	tint = new_tint;	787	tint = new_tint;
1007	bg_flags |= BG_TINT_SET;	788	tint_set = true;
1008	set_tint_shade_flags ();	789
1009	return true;	790	return true;
1010	}	791	}
1011		792
1012	return false;	793	return false;
1013	}	794	}
1014		795
1015	bool	796	bool
1016	rxvt_term::bg_set_shade (const char *shade_str)	797	image_effects::set_shade (const char *shade_str)
1017	{	798	{
1018	int new_shade = (shade_str) ? atoi (shade_str) : 100;	799	int new_shade = atoi (shade_str);
1019		800
1020	clamp_it (new_shade, -100, 200);	801	clamp_it (new_shade, -100, 200);
1021	if (new_shade < 0)	802	if (new_shade < 0)
1022	new_shade = 200 - (100 + new_shade);	803	new_shade = 200 - (100 + new_shade);
1023		804
1024	if (new_shade != shade)	805	if (new_shade != shade)
1025	{	806	{
1026	shade = new_shade;	807	shade = new_shade;
1027	set_tint_shade_flags ();
1028	return true;	808	return true;
1029	}	809	}
1030		810
1031	return false;	811	return false;
1032	}	812	}
…		…
1053	params[i+2] = XDoubleToFixed (kernel[i] / sum);	833	params[i+2] = XDoubleToFixed (kernel[i] / sum);
1054	}	834	}
1055	#endif	835	#endif
1056		836
1057	bool	837	bool
1058	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)
1059	{	839	{
1060	bool ret = false;	840	bool ret = false;
1061	#if XRENDER	841	#if XRENDER
		842	if (!(bg_flags & BG_HAS_RENDER_CONV))
		843	return false;
		844
1062	int size = max (h_blurRadius, v_blurRadius) * 2 + 1;	845	int size = max (h_blurRadius, v_blurRadius) * 2 + 1;
1063	double *kernel = (double *)malloc (size * sizeof (double));	846	double *kernel = (double *)malloc (size * sizeof (double));
1064	XFixed *params = (XFixed *)malloc ((size + 2) * sizeof (XFixed));	847	XFixed *params = (XFixed *)malloc ((size + 2) * sizeof (XFixed));
1065		848
1066	XRenderPictureAttributes pa;	849	XRenderPictureAttributes pa;
1067	XRenderPictFormat *format = XRenderFindVisualFormat (dpy, visual);	850	XRenderPictFormat *format = argb ? XRenderFindStandardFormat (dpy, PictStandardARGB32)
		851	: XRenderFindVisualFormat (dpy, visual);
1068		852
		853	pa.repeat = RepeatPad;
1069	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);
1070	Picture dst = XRenderCreatePicture (dpy, pixmap, format, 0, &pa);	856	Picture dst = XRenderCreatePicture (dpy, tmp, format, CPRepeat, &pa);
		857	XFreePixmap (dpy, tmp);
1071		858
1072	if (kernel && params)	859	if (kernel && params)
1073	{	860	{
1074	if (h_blurRadius)
1075	{
1076	size = h_blurRadius * 2 + 1;	861	size = h_blurRadius * 2 + 1;
1077	get_gaussian_kernel (h_blurRadius, size, kernel, params);	862	get_gaussian_kernel (h_blurRadius, size, kernel, params);
1078		863
1079	XRenderSetPictureFilter (dpy, src, FilterConvolution, params, size+2);	864	XRenderSetPictureFilter (dpy, src, FilterConvolution, params, size+2);
1080	XRenderComposite (dpy,	865	XRenderComposite (dpy,
1081	PictOpSrc,	866	PictOpSrc,
1082	src,	867	src,
1083	None,	868	None,
1084	dst,	869	dst,
1085	0, 0,	870	0, 0,
1086	0, 0,	871	0, 0,
1087	0, 0,	872	0, 0,
1088	width, height);	873	width, height);
1089	}
1090		874
1091	if (v_blurRadius)	875	::swap (src, dst);
1092	{	876
1093	size = v_blurRadius * 2 + 1;	877	size = v_blurRadius * 2 + 1;
1094	get_gaussian_kernel (v_blurRadius, size, kernel, params);	878	get_gaussian_kernel (v_blurRadius, size, kernel, params);
1095	::swap (params[0], params[1]);	879	::swap (params[0], params[1]);
1096		880
1097	XRenderSetPictureFilter (dpy, src, FilterConvolution, params, size+2);	881	XRenderSetPictureFilter (dpy, src, FilterConvolution, params, size+2);
1098	XRenderComposite (dpy,	882	XRenderComposite (dpy,
1099	PictOpSrc,	883	PictOpSrc,
1100	src,	884	src,
1101	None,	885	None,
1102	dst,	886	dst,
1103	0, 0,	887	0, 0,
1104	0, 0,	888	0, 0,
1105	0, 0,	889	0, 0,
1106	width, height);	890	width, height);
1107	}
1108		891
1109	ret = true;	892	ret = true;
1110	}	893	}
1111		894
1112	free (kernel);	895	free (kernel);
…		…
1116	#endif	899	#endif
1117	return ret;	900	return ret;
1118	}	901	}
1119		902
1120	bool	903	bool
1121	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)
1122	{	905	{
1123	bool ret = false;	906	bool ret = false;
1124		907
1125	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))
1126	{	917	{
1127	XGCValues gcv;	918	XGCValues gcv;
1128	GC gc;	919	GC gc;
1129		920
1130	/* In this case we can tint image server-side getting significant	921	/* In this case we can tint image server-side getting significant
…		…
1139	XFillRectangle (dpy, pixmap, gc, 0, 0, width, height);	930	XFillRectangle (dpy, pixmap, gc, 0, 0, width, height);
1140	ret = true;	931	ret = true;
1141	XFreeGC (dpy, gc);	932	XFreeGC (dpy, gc);
1142	}	933	}
1143	}	934	}
1144	else
1145	{
1146	# if XRENDER	935	# if XRENDER
1147	rgba c (rgba::MAX_CC, rgba::MAX_CC, rgba::MAX_CC);	936	else if (bg_flags & BG_HAS_RENDER)
1148		937	{
1149	if (bg_flags & BG_TINT_SET)
1150	tint.get (c);
1151
1152	if (shade <= 100)	938	if (shade <= 100)
1153	{	939	{
1154	c.r = c.r * shade / 100;	940	c.r = c.r * shade / 100;
1155	c.g = c.g * shade / 100;	941	c.g = c.g * shade / 100;
1156	c.b = c.b * shade / 100;	942	c.b = c.b * shade / 100;
…		…
1160	c.r = c.r * (200 - shade) / 100;	946	c.r = c.r * (200 - shade) / 100;
1161	c.g = c.g * (200 - shade) / 100;	947	c.g = c.g * (200 - shade) / 100;
1162	c.b = c.b * (200 - shade) / 100;	948	c.b = c.b * (200 - shade) / 100;
1163	}	949	}
1164		950
1165	XRenderPictFormat *solid_format = XRenderFindStandardFormat (dpy, PictStandardARGB32);	951	XRenderPictFormat *format = argb ? XRenderFindStandardFormat (dpy, PictStandardARGB32)
1166	XRenderPictFormat *format = XRenderFindVisualFormat (dpy, visual);	952	: XRenderFindVisualFormat (dpy, visual);
1167	XRenderPictureAttributes pa;
1168		953
1169	Picture back_pic = XRenderCreatePicture (dpy, pixmap, format, 0, &pa);	954	Picture back_pic = XRenderCreatePicture (dpy, pixmap, format, 0, 0);
1170		955
1171	pa.repeat = True;	956	Picture overlay_pic = create_xrender_mask (dpy, pixmap, True, False);
1172		957
1173	Pixmap overlay_pmap = XCreatePixmap (dpy, pixmap, 1, 1, 32);	958	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		959
1182	XRenderColor mask_c;	960	XRenderColor mask_c;
1183		961
1184	mask_c.alpha = 0xffff;	962	mask_c.alpha = 0xffff;
1185	mask_c.red =	963	mask_c.red =
…		…
1190	mask_c.alpha = 0;	968	mask_c.alpha = 0;
1191	mask_c.red = 0xffff - c.r;	969	mask_c.red = 0xffff - c.r;
1192	mask_c.green = 0xffff - c.g;	970	mask_c.green = 0xffff - c.g;
1193	mask_c.blue = 0xffff - c.b;	971	mask_c.blue = 0xffff - c.b;
1194	XRenderFillRectangle (dpy, PictOpSrc, mask_pic, &mask_c, 0, 0, 1, 1);	972	XRenderFillRectangle (dpy, PictOpSrc, mask_pic, &mask_c, 0, 0, 1, 1);
		973
1195	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);
1196		975
1197	if (shade > 100)	976	if (shade > 100)
1198	{	977	{
1199	mask_c.red = mask_c.green = mask_c.blue = 0xffff * (shade - 100) / 100;
1200	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;
1201	XRenderFillRectangle (dpy, PictOpSrc, overlay_pic, &mask_c, 0, 0, 1, 1);	982	XRenderFillRectangle (dpy, PictOpSrc, overlay_pic, &mask_c, 0, 0, 1, 1);
1202		983
1203	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);
1204	}	985	}
1205		986
1206	ret = true;	987	ret = true;
1207		988
1208	XRenderFreePicture (dpy, mask_pic);	989	XRenderFreePicture (dpy, mask_pic);
1209	XRenderFreePicture (dpy, overlay_pic);	990	XRenderFreePicture (dpy, overlay_pic);
1210	XRenderFreePicture (dpy, back_pic);	991	XRenderFreePicture (dpy, back_pic);
		992	}
1211	# endif	993	# endif
1212	}
1213		994
1214	return ret;	995	return ret;
1215	}	996	}
1216		997
		998	# ifdef ENABLE_TRANSPARENCY
1217	/*	999	/*
1218	* 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
1219	* 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
1220	* our window.	1002	* our window.
1221	*/	1003	*/
1222	unsigned long	1004	bool
1223	rxvt_term::make_transparency_pixmap ()	1005	rxvt_term::render_root_image ()
1224	{	1006	{
1225	unsigned long result = 0;	1007	bool ret = false;
1226		1008
1227	/* 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
1228	* be always up-to-date, so let's use it :	1010	* be always up-to-date, so let's use it :
1229	*/	1011	*/
1230	int screen = display->screen;	1012	int screen = display->screen;
…		…
1268	#if XRENDER	1050	#if XRENDER
1269	if (bg_flags & BG_HAS_RENDER)	1051	if (bg_flags & BG_HAS_RENDER)
1270	{	1052	{
1271	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);
1272		1054
1273	XRenderPictureAttributes pa;
1274
1275	XRenderPictFormat *src_format = XRenderFindVisualFormat (dpy, DefaultVisual (dpy, screen));	1055	XRenderPictFormat *src_format = XRenderFindVisualFormat (dpy, DefaultVisual (dpy, screen));
1276	Picture src = XRenderCreatePicture (dpy, root_pixmap, src_format, 0, &pa);	1056	Picture src = XRenderCreatePicture (dpy, root_pixmap, src_format, 0, 0);
1277		1057
1278	XRenderPictFormat *dst_format = XRenderFindVisualFormat (dpy, visual);	1058	XRenderPictFormat *dst_format = XRenderFindVisualFormat (dpy, visual);
1279	Picture dst = XRenderCreatePicture (dpy, recoded_root_pmap, dst_format, 0, &pa);	1059	Picture dst = XRenderCreatePicture (dpy, recoded_root_pmap, dst_format, 0, 0);
1280		1060
1281	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);
1282		1062
1283	XRenderFreePicture (dpy, src);	1063	XRenderFreePicture (dpy, src);
1284	XRenderFreePicture (dpy, dst);	1064	XRenderFreePicture (dpy, dst);
…		…
1301	bg_pmap_width = window_width;	1081	bg_pmap_width = window_width;
1302	bg_pmap_height = window_height;	1082	bg_pmap_height = window_height;
1303	}	1083	}
1304		1084
1305	/* straightforward pixmap copy */	1085	/* straightforward pixmap copy */
1306	while (sx < 0) sx += root_width;	1086	while (sx < 0) sx += root_pmap_width;
1307	while (sy < 0) sy += root_height;	1087	while (sy < 0) sy += root_pmap_height;
1308		1088
1309	gcv.tile = recoded_root_pmap;	1089	gcv.tile = recoded_root_pmap;
1310	gcv.fill_style = FillTiled;	1090	gcv.fill_style = FillTiled;
1311	gcv.ts_x_origin = -sx;	1091	gcv.ts_x_origin = -sx;
1312	gcv.ts_y_origin = -sy;	1092	gcv.ts_y_origin = -sy;
1313	gc = XCreateGC (dpy, vt, GCFillStyle | GCTile | GCTileStipXOrigin | GCTileStipYOrigin, &gcv);	1093	gc = XCreateGC (dpy, vt, GCFillStyle | GCTile | GCTileStipXOrigin | GCTileStipYOrigin, &gcv);
1314		1094
1315	if (gc)	1095	if (gc)
1316	{	1096	{
1317	XFillRectangle (dpy, bg_pixmap, gc, 0, 0, window_width, window_height);	1097	XFillRectangle (dpy, bg_pixmap, gc, 0, 0, window_width, window_height);
1318	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
1319	XFreeGC (dpy, gc);	1127	XFreeGC (dpy, gc);
1320
1321	if (!(bg_flags & BG_CLIENT_RENDER))
1322	{
1323	if ((bg_flags & BG_NEEDS_BLUR)
1324	&& (bg_flags & BG_HAS_RENDER_CONV))
1325	{
1326	if (blur_pixmap (bg_pixmap, visual, window_width, window_height))
1327	result &= ~BG_NEEDS_BLUR;
1328	}
1329	if ((bg_flags & BG_NEEDS_TINT)
1330	&& (bg_flags & (BG_TINT_BITAND | BG_HAS_RENDER)))
1331	{
1332	if (tint_pixmap (bg_pixmap, visual, window_width, window_height))
1333	result &= ~BG_NEEDS_TINT;
1334	}
1335	} /* server side rendering completed */
1336	}	1128	}
1337		1129
1338	if (recoded_root_pmap != root_pixmap)	1130	if (recoded_root_pmap != root_pixmap)
1339	XFreePixmap (dpy, recoded_root_pmap);	1131	XFreePixmap (dpy, recoded_root_pmap);
1340		1132
1341	return result;	1133	return ret;
1342	}	1134	}
1343		1135
1344	void	1136	void
1345	rxvt_term::bg_set_root_pixmap ()	1137	rxvt_term::bg_set_root_pixmap ()
1346	{	1138	{
…		…
1350		1142
1351	root_pixmap = new_root_pixmap;	1143	root_pixmap = new_root_pixmap;
1352	}	1144	}
1353	# endif /* ENABLE_TRANSPARENCY */	1145	# endif /* ENABLE_TRANSPARENCY */
1354		1146
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	1147	bool
1360	rxvt_term::bg_render ()	1148	rxvt_term::bg_render ()
1361	{	1149	{
1362	unsigned long tr_flags = 0;
1363
1364	bg_invalidate ();	1150	bg_invalidate ();
1365	# ifdef ENABLE_TRANSPARENCY	1151	# ifdef ENABLE_TRANSPARENCY
1366	if (bg_flags & BG_IS_TRANSPARENT)	1152	if (bg_flags & BG_IS_TRANSPARENT)
1367	{	1153	{
1368	/* we need to re-generate transparency pixmap in that case ! */	1154	/* we need to re-generate transparency pixmap in that case ! */
1369	tr_flags = make_transparency_pixmap ();	1155	if (render_root_image ())
1370	if (tr_flags == 0)
1371	return false;
1372	else if (!(tr_flags & BG_EFFECTS_FLAGS))
1373	bg_flags |= BG_IS_VALID;	1156	bg_flags |= BG_IS_VALID;
1374	}	1157	}
1375	# endif	1158	# endif
1376		1159
1377	# ifdef BG_IMAGE_FROM_FILE	1160	# ifdef BG_IMAGE_FROM_FILE
1378	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++)
1379	|| (tr_flags & BG_EFFECTS_FLAGS))
1380	{	1162	{
1381	if (render_image (tr_flags))	1163	if (render_image (*bg_image))
1382	bg_flags |= BG_IS_VALID;	1164	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	}	1165	}
1417	# endif	1166	# endif
1418		1167
1419	if (!(bg_flags & BG_IS_VALID))	1168	if (!(bg_flags & BG_IS_VALID))
1420	{	1169	{
…		…
1434	}	1183	}
1435		1184
1436	void	1185	void
1437	rxvt_term::bg_init ()	1186	rxvt_term::bg_init ()
1438	{	1187	{
1439	#ifdef ENABLE_TRANSPARENCY
1440	shade = 100;
1441	#endif
1442
1443	bg_flags &= ~(BG_HAS_RENDER | BG_HAS_RENDER_CONV);	1188	bg_flags &= ~(BG_HAS_RENDER | BG_HAS_RENDER_CONV);
1444	#if XRENDER	1189	#if XRENDER
1445	int major, minor;	1190	int major, minor;
1446	if (XRenderQueryVersion (dpy, &major, &minor))	1191	if (XRenderQueryVersion (dpy, &major, &minor))
1447	bg_flags |= BG_HAS_RENDER;	1192	bg_flags |= BG_HAS_RENDER;
…		…
1453	bg_flags |= BG_HAS_RENDER_CONV;	1198	bg_flags |= BG_HAS_RENDER_CONV;
1454		1199
1455	XFree (filters);	1200	XFree (filters);
1456	}	1201	}
1457	#endif	1202	#endif
1458	}
1459		1203
1460	#endif /* HAVE_BG_PIXMAP */	1204	#ifdef BG_IMAGE_FROM_FILE
		1205	if (rs[Rs_backgroundPixmap])
		1206	{
		1207	rxvt_image *image = new_image ();
		1208	if (!image->set_file_geometry (rs[Rs_backgroundPixmap]))
		1209	image_vec.pop_back ();
		1210	}
1461		1211
1462	#if defined(ENABLE_TRANSPARENCY) && !defined(HAVE_AFTERIMAGE)	1212	# ifndef NO_RESOURCES
		1213	find_resources ("image", "Image", XrmEnumAllLevels, rxvt_define_image);
		1214	vector<rxvt_image>::iterator bg_image = image_vec.begin ();
		1215	while (bg_image != image_vec.end ())
		1216	{
		1217	if (!(bg_image->flags & IM_IS_SET))
		1218	bg_image = image_vec.erase (bg_image);
		1219	else
		1220	{
		1221	if (bg_image->is_size_sensitive ())
		1222	bg_image->flags |= IM_IS_SIZE_SENSITIVE;
		1223
		1224	bg_image++;
		1225	}
		1226	}
		1227	# endif
		1228
		1229	if (image_vec.size () > 0
		1230	&& !bg_window_position_sensitive ())
		1231	update_background ();
		1232	#endif
		1233	}
		1234
1463	/* taken from aterm-0.4.2 */	1235	/* based on code from aterm-0.4.2 */
1464		1236
1465	static void	1237	static inline void
1466	shade_ximage (Visual *visual, XImage *ximage, int shade, const rgba &c)	1238	fill_lut (uint32_t *lookup, uint32_t mask, int sh, unsigned short low, unsigned short high)
1467	{	1239	{
		1240	for (int i = 0; i <= mask >> sh; i++)
		1241	{
		1242	uint32_t tmp;
		1243	tmp = i * high;
		1244	tmp += (mask >> sh) * low;
		1245	lookup[i] = (tmp / 0xffff) << sh;
		1246	}
		1247	}
		1248
		1249	void
		1250	rxvt_term::tint_ximage (XImage *ximage, rxvt_color &tint, bool tint_set, int shade)
		1251	{
		1252	unsigned int size_r, size_g, size_b;
1468	int sh_r, sh_g, sh_b;	1253	int sh_r, sh_g, sh_b;
1469	uint32_t mask_r, mask_g, mask_b;	1254	uint32_t mask_r, mask_g, mask_b;
1470	uint32_t *lookup, *lookup_r, *lookup_g, *lookup_b;	1255	uint32_t *lookup, *lookup_r, *lookup_g, *lookup_b;
1471	rgba low;	1256	unsigned short low;
1472	rgba high;
1473	int i;
1474	int host_byte_order = ecb_big_endian () ? MSBFirst : LSBFirst;	1257	int host_byte_order = ecb_big_endian () ? MSBFirst : LSBFirst;
1475		1258
1476	if (visual->c_class != TrueColor || ximage->format != ZPixmap) return;	1259	if (visual->c_class != TrueColor || ximage->format != ZPixmap) return;
1477		1260
1478	/* for convenience */	1261	/* for convenience */
1479	mask_r = visual->red_mask;	1262	mask_r = visual->red_mask;
1480	mask_g = visual->green_mask;	1263	mask_g = visual->green_mask;
1481	mask_b = visual->blue_mask;	1264	mask_b = visual->blue_mask;
1482		1265
1483	/* boring lookup table pre-initialization */	1266	/* boring lookup table pre-initialization */
1484	switch (ximage->depth)	1267	sh_r = ecb_ctz32 (mask_r);
1485	{	1268	sh_g = ecb_ctz32 (mask_g);
1486	case 15:	1269	sh_b = ecb_ctz32 (mask_b);
1487	if ((mask_r != 0x7c00) ||	1270
1488	(mask_g != 0x03e0) ||	1271	size_r = mask_r >> sh_r;
1489	(mask_b != 0x001f))	1272	size_g = mask_g >> sh_g;
		1273	size_b = mask_b >> sh_b;
		1274
		1275	if (size_r++ > 255 || size_g++ > 255 || size_b++ > 255)
1490	return;	1276	return;
1491	lookup = (uint32_t *) malloc (sizeof (uint32_t)*(32+32+32));	1277
		1278	lookup = (uint32_t *)malloc (sizeof (uint32_t) * (size_r + size_g + size_b));
1492	lookup_r = lookup;	1279	lookup_r = lookup;
1493	lookup_g = lookup+32;	1280	lookup_g = lookup + size_r;
1494	lookup_b = lookup+32+32;	1281	lookup_b = lookup + size_r + size_g;
1495	sh_r = 10;	1282
1496	sh_g = 5;	1283	rgba c (rgba::MAX_CC, rgba::MAX_CC, rgba::MAX_CC);
1497	sh_b = 0;	1284
1498	break;	1285	if (tint_set)
1499	case 16:	1286	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		1287
1542	/* prepare limits for color transformation (each channel is handled separately) */	1288	/* prepare limits for color transformation (each channel is handled separately) */
1543	if (shade > 100)	1289	if (shade > 100)
1544	{	1290	{
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;	1291	c.r = c.r * (200 - shade) / 100;
1552	low.g = 65535 * (100 - shade) / 100;	1292	c.g = c.g * (200 - shade) / 100;
1553	low.b = 65535 * (100 - shade) / 100;	1293	c.b = c.b * (200 - shade) / 100;
		1294
		1295	low = 0xffff * (shade - 100) / 100;
1554	}	1296	}
1555	else	1297	else
1556	{	1298	{
1557	high.r = c.r * shade / 100;	1299	c.r = c.r * shade / 100;
1558	high.g = c.g * shade / 100;	1300	c.g = c.g * shade / 100;
1559	high.b = c.b * shade / 100;	1301	c.b = c.b * shade / 100;
1560		1302
1561	low.r = low.g = low.b = 0;	1303	low = 0;
1562	}	1304	}
1563		1305
1564	/* fill our lookup tables */	1306	/* fill our lookup tables */
1565	for (i = 0; i <= mask_r>>sh_r; i++)	1307	fill_lut (lookup_r, mask_r, sh_r, low, c.r);
1566	{	1308	fill_lut (lookup_g, mask_g, sh_g, low, c.g);
1567	uint32_t tmp;	1309	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		1310
1587	/* apply table to input image (replacing colors by newly calculated ones) */	1311	/* apply table to input image (replacing colors by newly calculated ones) */
1588	if (ximage->bits_per_pixel == 32	1312	if (ximage->bits_per_pixel == 32
1589	&& (ximage->depth == 24 || ximage->depth == 32)
1590	&& ximage->byte_order == host_byte_order)	1313	&& ximage->byte_order == host_byte_order)
1591	{	1314	{
1592	uint32_t *p1, *pf, *p, *pl;	1315	char *line = ximage->data;
1593	p1 = (uint32_t *) ximage->data;
1594	pf = (uint32_t *) (ximage->data + ximage->height * ximage->bytes_per_line);
1595		1316
1596	while (p1 < pf)	1317	for (int y = 0; y < ximage->height; y++)
1597	{	1318	{
1598	p = p1;	1319	uint32_t *p = (uint32_t *)line;
1599	pl = p1 + ximage->width;	1320	for (int x = 0; x < ximage->width; x++)
1600	for (; p < pl; p++)
1601	{	1321	{
1602	*p = lookup_r[(*p & 0xff0000) >> 16] |	1322	*p = lookup_r[(*p & mask_r) >> sh_r] |
1603	lookup_g[(*p & 0x00ff00) >> 8] |	1323	lookup_g[(*p & mask_g) >> sh_g] |
1604	lookup_b[(*p & 0x0000ff)] |	1324	lookup_b[(*p & mask_b) >> sh_b];
1605	(*p & 0xff000000);	1325	p++;
1606	}	1326	}
1607	p1 = (uint32_t *) ((char *) p1 + ximage->bytes_per_line);	1327	line += ximage->bytes_per_line;
1608	}	1328	}
1609	}	1329	}
1610	else	1330	else
1611	{	1331	{
1612	for (int y = 0; y < ximage->height; y++)	1332	for (int y = 0; y < ximage->height; y++)
…		…
1620	}	1340	}
1621	}	1341	}
1622		1342
1623	free (lookup);	1343	free (lookup);
1624	}	1344	}
1625	#endif /* defined(ENABLE_TRANSPARENCY) && !defined(HAVE_AFTERIMAGE) */	1345
		1346	#endif /* HAVE_BG_PIXMAP */

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