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Comparing rxvt-unicode/src/background.C (file contents):
Revision 1.161 by sf-exg, Thu Aug 11 08:39:10 2011 UTC vs.
Revision 1.219 by sf-exg, Thu May 24 16:17:33 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
58	if (original_asim)
59	safe_asimage_destroy (original_asim);
60	if (asv)
61	destroy_asvisual (asv, 0);
62	if (asimman)
63	destroy_image_manager (asimman, 0);
64	#endif
65
66	#ifdef HAVE_PIXBUF
67	if (pixbuf)
68	g_object_unref (pixbuf);
69	#endif
70
71	if (bg_pixmap)	63	if (bg_pixmap)
72	XFreePixmap (dpy, bg_pixmap);	64	XFreePixmap (dpy, bg_pixmap);
73	}	65	}
74		66
75	bool	67	bool
…		…
93	if (bg_flags & BG_IS_TRANSPARENT)	85	if (bg_flags & BG_IS_TRANSPARENT)
94	return true;	86	return true;
95	# endif	87	# endif
96		88
97	# ifdef BG_IMAGE_FROM_FILE	89	# ifdef BG_IMAGE_FROM_FILE
98	if (bg_flags & BG_IS_FROM_FILE)	90	if (bg_image.flags & IM_IS_SET)
99	{	91	{
100	if (bg_flags & BG_IS_SIZE_SENSITIVE)	92	if ((bg_image.flags & IM_IS_SIZE_SENSITIVE)
		93	|| bg_image.width () > szHint.width
		94	|| bg_image.height () > szHint.height)
101	return true;	95	return true;
102	}	96	}
103	# endif	97	# endif
104		98
105	return false;	99	return false;
…		…
112	if (bg_flags & BG_IS_TRANSPARENT)	106	if (bg_flags & BG_IS_TRANSPARENT)
113	return true;	107	return true;
114	# endif	108	# endif
115		109
116	# ifdef BG_IMAGE_FROM_FILE	110	# ifdef BG_IMAGE_FROM_FILE
117	if (bg_flags & BG_IS_FROM_FILE)	111	if (bg_image.flags & IM_IS_SET)
118	{	112	{
119	if (bg_flags & BG_ROOT_ALIGN)	113	if (bg_image.flags & IM_ROOT_ALIGN)
120	return true;	114	return true;
121	}	115	}
122	# endif	116	# endif
123		117
124	return false;	118	return false;
125	}	119	}
126		120
127	# ifdef BG_IMAGE_FROM_FILE	121	# 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	122	static inline int
163	make_align_position (int align, int window_size, int image_size)	123	make_align_position (int align, int window_size, int image_size)
164	{	124	{
165	int diff = window_size - image_size;
166	int smaller = min (image_size, window_size);
167
168	if (align >= 0 && align <= 100)	125	if (align >= 0 && align <= 100)
169	return diff * align / 100;	126	return lerp (0, window_size - image_size, align);
170	else if (align > 100 && align <= 200)	127	else if (align > 100)
171	return ((align - 100) * smaller / 100) + window_size - smaller;	128	return lerp (window_size - image_size, window_size, align - 100);
172	else if (align >= -100 && align < 0)	129	else
173	return ((align + 100) * smaller / 100) - image_size;	130	return lerp (-image_size, 0, align + 100);
174	return 0;
175	}	131	}
176		132
177	static inline int	133	static inline int
178	make_clip_rectangle (int pos, int size, int target_size, int &dst_pos, int &dst_size)	134	make_clip_rectangle (int pos, int size, int target_size, int &dst_pos, int &dst_size)
179	{	135	{
…		…
185	src_pos = -pos;	141	src_pos = -pos;
186	dst_pos = 0;	142	dst_pos = 0;
187	dst_size += pos;	143	dst_size += pos;
188	}	144	}
189		145
190	if (dst_pos + dst_size > target_size)
191	dst_size = target_size - dst_pos;	146	min_it (dst_size, target_size - dst_pos);
192	return src_pos;	147	return src_pos;
193	}	148	}
194		149
		150	static void
		151	parse_style (const char *style, int &x, int &y, unsigned int &w, unsigned int &h, uint8_t &flags)
		152	{
		153	if (!strcasecmp (style, "tiled"))
		154	{
		155	flags = IM_TILE;
		156	w = h = noScale;
		157	x = y = 0;
		158	}
		159	else if (!strcasecmp (style, "aspect-stretched"))
		160	{
		161	flags = IM_KEEP_ASPECT;
		162	w = h = windowScale;
		163	x = y = centerAlign;
		164	}
		165	else if (!strcasecmp (style, "stretched"))
		166	{
		167	flags = 0;
		168	w = h = windowScale;
		169	x = y = centerAlign;
		170	}
		171	else if (!strcasecmp (style, "centered"))
		172	{
		173	flags = 0;
		174	w = h = noScale;
		175	x = y = centerAlign;
		176	}
		177	else if (!strcasecmp (style, "root-tiled"))
		178	{
		179	flags = IM_TILE|IM_ROOT_ALIGN;
		180	w = h = noScale;
		181	x = y = 0;
		182	}
		183	}
		184
195	bool	185	bool
196	rxvt_term::bg_set_geometry (const char *geom, bool update)	186	rxvt_image::set_geometry (const char *geom, bool update)
197	{	187	{
198	bool changed = false;	188	bool changed = false;
199	int geom_flags = 0;	189	int geom_flags = 0;
200	int x = 0, y = 0;	190	int x = h_align;
		191	int y = v_align;
201	unsigned int w = 0, h = 0;	192	unsigned int w = h_scale;
202	unsigned int n;	193	unsigned int h = v_scale;
203	unsigned long new_flags = (bg_flags & (~BG_GEOMETRY_FLAGS));	194	uint8_t new_flags = 0;
204	const char *ops;
205		195
206	if (geom == NULL)	196	if (geom == NULL)
207	return false;	197	return false;
208		198
209	char str[256];	199	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	{	200	{
226	/* we have geometry string - let's handle it prior to applying ops */	201	char **arr = rxvt_strsplit (':', geom);
		202
		203	for (int i = 0; arr[i]; i++)
		204	{
		205	if (!strncasecmp (arr[i], "style=", 6))
		206	{
		207	parse_style (arr[i] + 6, x, y, w, h, new_flags);
		208	geom_flags = WidthValue|HeightValue|XValue|YValue;
		209	}
		210	else if (!strcasecmp (arr[i], "op=tile"))
		211	new_flags |= IM_TILE;
		212	else if (!strcasecmp (arr[i], "op=keep-aspect"))
		213	new_flags |= IM_KEEP_ASPECT;
		214	else if (!strcasecmp (arr[i], "op=root-align"))
		215	new_flags |= IM_ROOT_ALIGN;
		216
		217	// deprecated
		218	else if (!strcasecmp (arr[i], "tile"))
		219	{
		220	new_flags |= IM_TILE;
		221	w = h = noScale;
		222	geom_flags |= WidthValue|HeightValue;
		223	}
		224	else if (!strcasecmp (arr[i], "propscale"))
		225	{
		226	new_flags |= IM_KEEP_ASPECT;
		227	w = h = windowScale;
		228	geom_flags |= WidthValue|HeightValue;
		229	}
		230	else if (!strcasecmp (arr[i], "hscale"))
		231	{
		232	new_flags |= IM_TILE;
		233	w = windowScale;
		234	h = noScale;
		235	geom_flags |= WidthValue|HeightValue;
		236	}
		237	else if (!strcasecmp (arr[i], "vscale"))
		238	{
		239	new_flags |= IM_TILE;
		240	h = windowScale;
		241	w = noScale;
		242	geom_flags |= WidthValue|HeightValue;
		243	}
		244	else if (!strcasecmp (arr[i], "scale"))
		245	{
		246	w = h = windowScale;
		247	geom_flags |= WidthValue|HeightValue;
		248	}
		249	else if (!strcasecmp (arr[i], "auto"))
		250	{
		251	w = h = windowScale;
		252	x = y = centerAlign;
		253	geom_flags |= WidthValue|HeightValue|XValue|YValue;
		254	}
		255	else if (!strcasecmp (arr[i], "root"))
		256	{
		257	new_flags |= IM_TILE|IM_ROOT_ALIGN;
		258	w = h = noScale;
		259	geom_flags |= WidthValue|HeightValue;
		260	}
		261
		262	else
227	geom_flags = XParseGeometry (str, &x, &y, &w, &h);	263	geom_flags |= XParseGeometry (arr[i], &x, &y, &w, &h);
228	} /* done parsing geometry string */	264	} /* done parsing ops */
		265
		266	rxvt_free_strsplit (arr);
		267	}
		268
		269	new_flags |= flags & ~IM_GEOMETRY_FLAGS;
229		270
230	if (!update)	271	if (!update)
231	{	272	{
232	if (!(geom_flags & XValue))	273	if (!(geom_flags & XValue))
233	x = y = defaultAlign;	274	x = y = defaultAlign;
…		…
238	w = h = defaultScale;	279	w = h = defaultScale;
239	else if (!(geom_flags & HeightValue))	280	else if (!(geom_flags & HeightValue))
240	h = w;	281	h = w;
241	else if (!(geom_flags & WidthValue))	282	else if (!(geom_flags & WidthValue))
242	w = h;	283	w = h;
243
244	geom_flags |= WidthValue|HeightValue|XValue|YValue;
245	}
246
247	if (ops)
248	{	284	}
249	char **arr = rxvt_strsplit (':', ops + 1);
250		285
251	for (int i = 0; arr[i]; i++)	286	clamp_it (x, -100, 200);
252	{	287	clamp_it (y, -100, 200);
253	if (!strcasecmp (arr[i], "style=tiled"))
254	{
255	new_flags = BG_TILE;
256	w = h = noScale;
257	x = y = 0;
258	geom_flags = WidthValue|HeightValue|XValue|YValue;
259	}
260	else if (!strcasecmp (arr[i], "style=aspect-stretched"))
261	{
262	new_flags = BG_PROP_SCALE;
263	x = y = centerAlign;
264	geom_flags = XValue|YValue;
265	}
266	else if (!strcasecmp (arr[i], "style=stretched"))
267	{
268	new_flags = 0;
269	w = h = windowScale;
270	geom_flags = WidthValue|HeightValue;
271	}
272	else if (!strcasecmp (arr[i], "style=centered"))
273	{
274	new_flags = 0;
275	w = h = noScale;
276	x = y = centerAlign;
277	geom_flags = WidthValue|HeightValue|XValue|YValue;
278	}
279	else if (!strcasecmp (arr[i], "style=root-tiled"))
280	{
281	new_flags = BG_TILE|BG_ROOT_ALIGN;
282	w = h = noScale;
283	geom_flags = WidthValue|HeightValue;
284	}
285	else if (!strcasecmp (arr[i], "op=tile"))
286	new_flags |= BG_TILE;
287	else if (!strcasecmp (arr[i], "op=pscale"))
288	new_flags |= BG_PROP_SCALE;
289	else if (!strcasecmp (arr[i], "op=root"))
290	new_flags |= BG_ROOT_ALIGN;
291		288
292	// deprecated	289	if (flags != new_flags
293	else if (!strcasecmp (arr[i], "tile"))	290	|| h_scale != w
294	{	291	|| v_scale != h
295	new_flags |= BG_TILE;	292	|| h_align != x
296	w = h = noScale;	293	|| v_align != y)
297	geom_flags |= WidthValue|HeightValue;
298	}
299	else if (!strcasecmp (arr[i], "propscale"))
300	{
301	new_flags |= BG_PROP_SCALE;
302	}
303	else if (!strcasecmp (arr[i], "hscale"))
304	{
305	w = windowScale;
306	h = noScale;
307	geom_flags |= WidthValue|HeightValue;
308	}
309	else if (!strcasecmp (arr[i], "vscale"))
310	{
311	h = windowScale;
312	w = noScale;
313	geom_flags |= WidthValue|HeightValue;
314	}
315	else if (!strcasecmp (arr[i], "scale"))
316	{
317	w = h = windowScale;
318	geom_flags |= WidthValue|HeightValue;
319	}
320	else if (!strcasecmp (arr[i], "auto"))
321	{
322	w = h = windowScale;
323	x = y = centerAlign;
324	geom_flags |= WidthValue|HeightValue|XValue|YValue;
325	}
326	else if (!strcasecmp (arr[i], "root"))
327	{
328	new_flags |= BG_TILE|BG_ROOT_ALIGN;
329	w = h = noScale;
330	geom_flags |= WidthValue|HeightValue;
331	}
332	} /* done parsing ops */
333
334	rxvt_free_strsplit (arr);
335	}	294	{
336
337	if (check_set_scale_value (geom_flags, WidthValue, h_scale, w)) changed = true;
338	if (check_set_scale_value (geom_flags, HeightValue, v_scale, h)) changed = true;
339	if (check_set_align_value (geom_flags, XValue, h_align, x)) changed = true;
340	if (check_set_align_value (geom_flags, YValue, v_align, y)) changed = true;
341
342	if (new_flags != bg_flags)
343	{
344	bg_flags = new_flags;	295	flags = new_flags;
		296	h_scale = w;
		297	v_scale = h;
		298	h_align = x;
		299	v_align = y;
345	changed = true;	300	changed = true;
346	}	301	}
347		302
		303	if (!(flags & IM_TILE)
		304	|| h_scale || v_scale
		305	|| (!(flags & IM_ROOT_ALIGN) && (h_align || v_align)))
		306	flags |= IM_IS_SIZE_SENSITIVE;
		307	else
		308	flags &= ~IM_IS_SIZE_SENSITIVE;
		309
348	return changed;	310	return changed;
349	}	311	}
350		312
351	void	313	void
352	rxvt_term::get_image_geometry (int image_width, int image_height, int &w, int &h, int &x, int &y)	314	rxvt_term::get_image_geometry (rxvt_image &image, int &w, int &h, int &x, int &y)
353	{	315	{
		316	int image_width = image.width ();
		317	int image_height = image.height ();
354	int target_width = szHint.width;	318	int target_width = szHint.width;
355	int target_height = szHint.height;	319	int target_height = szHint.height;
		320	int h_scale = min (image.h_scale, 32767 * 100 / target_width);
		321	int v_scale = min (image.v_scale, 32767 * 100 / target_height);
356		322
357	if (bg_flags & BG_PROP_SCALE)	323	w = h_scale * target_width / 100;
		324	h = v_scale * target_height / 100;
		325
		326	if (image.flags & IM_KEEP_ASPECT)
358	{	327	{
359	float scale = (float)target_width / image_width;	328	float scale = (float)w / image_width;
360	min_it (scale, (float)target_height / image_height);	329	min_it (scale, (float)h / image_height);
361	w = image_width * scale + 0.5;	330	w = image_width * scale + 0.5;
362	h = image_height * scale + 0.5;	331	h = image_height * scale + 0.5;
363	}	332	}
364	else
365	{
366	w = h_scale * target_width / 100;
367	h = v_scale * target_height / 100;
368	}
369		333
370	if (!w) w = image_width;	334	if (!w) w = image_width;
371	if (!h) h = image_height;	335	if (!h) h = image_height;
372		336
373	if (bg_flags & BG_ROOT_ALIGN)	337	if (image.flags & IM_ROOT_ALIGN)
374	{	338	{
375	x = -target_x;	339	x = -target_x;
376	y = -target_y;	340	y = -target_y;
377	}	341	}
378	else	342	else
379	{	343	{
380	x = make_align_position (h_align, target_width, w);	344	x = make_align_position (image.h_align, target_width, w);
381	y = make_align_position (v_align, target_height, h);	345	y = make_align_position (image.v_align, target_height, h);
382	}
383
384	bg_flags &= ~BG_IS_SIZE_SENSITIVE;
385	if (!(bg_flags & BG_TILE)
386	|| (bg_flags & BG_PROP_SCALE) || h_scale || v_scale
387	|| (!(bg_flags & BG_ROOT_ALIGN) && (h_align || v_align))
388	|| w > target_width || h > target_height)
389	bg_flags |= BG_IS_SIZE_SENSITIVE;
390	}
391
392	# ifdef HAVE_AFTERIMAGE
393	bool
394	rxvt_term::render_image (unsigned long tr_flags)
395	{
396	init_asv ();
397
398	ASImage *background = NULL;
399	ARGB32 background_tint = TINT_LEAVE_SAME;
400
401	# ifdef ENABLE_TRANSPARENCY
402	if (tr_flags)
403	background = pixmap2ximage (asv, bg_pixmap, 0, 0, bg_pmap_width, bg_pmap_height, AllPlanes, 100);
404
405	if (tr_flags & BG_NEEDS_TINT)
406	{	346	}
407	ShadingInfo as_shade;	347	}
408	as_shade.shading = shade;
409		348
410	rgba c (rgba::MAX_CC,rgba::MAX_CC,rgba::MAX_CC);	349	# ifdef HAVE_PIXBUF
411	if (bg_flags & BG_TINT_SET)	350	bool
412	tint.get (c);	351	rxvt_term::pixbuf_to_pixmap (GdkPixbuf *pixbuf, Pixmap pixmap, GC gc,
413	as_shade.tintColor.red = c.r;	352	int src_x, int src_y, int dst_x, int dst_y,
414	as_shade.tintColor.green = c.g;	353	unsigned int width, unsigned int height, bool argb)
415	as_shade.tintColor.blue = c.b;	354	{
		355	XImage *ximage;
		356	char *line;
		357	int width_r, width_g, width_b, width_a;
		358	int sh_r, sh_g, sh_b, sh_a;
		359	uint32_t red_mask, green_mask, blue_mask, alpha_mask;
		360	int rowstride;
		361	int channels;
		362	unsigned char *row;
416		363
417	background_tint = shading2tint32 (&as_shade);	364	if (visual->c_class != TrueColor)
		365	return false;
		366
		367	if (argb)
418	}	368	{
419		369	red_mask = 0xff << 16;
420	if ((tr_flags & BG_NEEDS_BLUR) && background != NULL)	370	green_mask = 0xff << 8;
		371	blue_mask = 0xff;
		372	alpha_mask = 0xff << 24;
421	{	373	}
422	ASImage *tmp = blur_asimage_gauss (asv, background, h_blurRadius, v_blurRadius, 0xFFFFFFFF,	374	else
423	(original_asim == NULL || tint == TINT_LEAVE_SAME) ? ASA_XImage : ASA_ASImage,	375	{
424	100, ASIMAGE_QUALITY_DEFAULT);	376	red_mask = visual->red_mask;
		377	green_mask = visual->green_mask;
		378	blue_mask = visual->blue_mask;
		379	#if XRENDER
		380	XRenderPictFormat *format = XRenderFindVisualFormat (dpy, visual);
425	if (tmp)	381	if (format)
		382	alpha_mask = (uint32_t)format->direct.alphaMask << format->direct.alpha;
		383	else
		384	#endif
		385	alpha_mask = 0;
		386	}
		387
		388	width_r = ecb_popcount32 (red_mask);
		389	width_g = ecb_popcount32 (green_mask);
		390	width_b = ecb_popcount32 (blue_mask);
		391	width_a = ecb_popcount32 (alpha_mask);
		392
		393	if (width_r > 8 || width_g > 8 || width_b > 8 || width_a > 8)
		394	return false;
		395
		396	sh_r = ecb_ctz32 (red_mask);
		397	sh_g = ecb_ctz32 (green_mask);
		398	sh_b = ecb_ctz32 (blue_mask);
		399	sh_a = ecb_ctz32 (alpha_mask);
		400
		401	if (width > 32767 || height > 32767)
		402	return false;
		403
		404	ximage = XCreateImage (dpy, visual, argb ? 32 : depth, ZPixmap, 0, 0,
		405	width, height, 32, 0);
		406	if (!ximage)
		407	return false;
		408
		409	if (height > INT_MAX / ximage->bytes_per_line
		410	|| !(ximage->data = (char *)malloc (height * ximage->bytes_per_line)))
		411	{
		412	XDestroyImage (ximage);
		413	return false;
		414	}
		415
		416	ximage->byte_order = ecb_big_endian () ? MSBFirst : LSBFirst;
		417
		418	rowstride = gdk_pixbuf_get_rowstride (pixbuf);
		419	channels = gdk_pixbuf_get_n_channels (pixbuf);
		420	row = gdk_pixbuf_get_pixels (pixbuf) + src_y * rowstride + src_x * channels;
		421	line = ximage->data;
		422
		423	rgba c (0, 0, 0);
		424
		425	if (channels == 4 && alpha_mask == 0)
		426	{
		427	pix_colors[Color_bg].get (c);
		428	c.r >>= 8;
		429	c.g >>= 8;
		430	c.b >>= 8;
		431	}
		432
		433	for (int y = 0; y < height; y++)
		434	{
		435	for (int x = 0; x < width; x++)
		436	{
		437	unsigned char *pixel = row + x * channels;
		438	uint32_t value;
		439	unsigned char r, g, b, a;
		440
		441	if (channels == 4)
426	{	442	{
427	destroy_asimage (&background);	443	a = pixel[3];
428	background = tmp;	444	r = (pixel[0] * a + c.r * (0xff - a)) / 0xff;
		445	g = (pixel[1] * a + c.g * (0xff - a)) / 0xff;
		446	b = (pixel[2] * a + c.b * (0xff - a)) / 0xff;
		447	}
		448	else
		449	{
		450	a = 0xff;
		451	r = pixel[0];
		452	g = pixel[1];
		453	b = pixel[2];
		454	}
		455
		456	value = ((r >> (8 - width_r)) << sh_r)
		457	| ((g >> (8 - width_g)) << sh_g)
		458	| ((b >> (8 - width_b)) << sh_b)
		459	| ((a >> (8 - width_a)) << sh_a);
		460
		461	if (ximage->bits_per_pixel == 32)
		462	((uint32_t *)line)[x] = value;
		463	else
		464	XPutPixel (ximage, x, y, value);
429	}	465	}
430	}
431	# endif
432		466
433	ASImage *result = 0;	467	row += rowstride;
		468	line += ximage->bytes_per_line;
		469	}
		470
		471	XPutImage (dpy, pixmap, gc, ximage, 0, 0, dst_x, dst_y, width, height);
		472	XDestroyImage (ximage);
		473	return true;
		474	}
		475
		476	bool
		477	rxvt_term::render_image (rxvt_image &image)
		478	{
		479	GdkPixbuf *pixbuf = image.pixbuf;
		480	if (!pixbuf)
		481	return false;
		482
		483	bool need_blend = bg_flags & BG_IS_VALID;
		484
		485	if (need_blend
		486	&& !(bg_flags & BG_HAS_RENDER))
		487	return false;
		488
		489	GdkPixbuf *result;
		490
		491	int image_width = gdk_pixbuf_get_width (pixbuf);
		492	int image_height = gdk_pixbuf_get_height (pixbuf);
434		493
435	int target_width = szHint.width;	494	int target_width = szHint.width;
436	int target_height = szHint.height;	495	int target_height = szHint.height;
437	int new_pmap_width = target_width;	496	int new_pmap_width = target_width;
438	int new_pmap_height = target_height;	497	int new_pmap_height = target_height;
…		…
440	int x = 0;	499	int x = 0;
441	int y = 0;	500	int y = 0;
442	int w = 0;	501	int w = 0;
443	int h = 0;	502	int h = 0;
444		503
445	if (original_asim)	504	get_image_geometry (image, w, h, x, y);
446	get_image_geometry (original_asim->width, original_asim->height, w, h, x, y);
447		505
448	if (!original_asim	506	if (!(image.flags & IM_ROOT_ALIGN)
449	|| (!(bg_flags & BG_ROOT_ALIGN)
450	&& (x >= target_width	507	&& (x >= target_width
451	|| y >= target_height	508	|| y >= target_height
452	|| (x + w <= 0)	509	|| x + w <= 0
453	|| (y + h <= 0))))	510	|| y + h <= 0))
		511	return false;
		512
		513	result = pixbuf;
		514
		515	if (w != image_width
		516	|| h != image_height)
		517	{
		518	result = gdk_pixbuf_scale_simple (pixbuf,
		519	w, h,
		520	GDK_INTERP_BILINEAR);
454	{	521	}
455	if (background)
456	{
457	new_pmap_width = background->width;
458	new_pmap_height = background->height;
459	result = background;
460		522
461	if (background_tint != TINT_LEAVE_SAME)	523	if (!result)
		524	return false;
		525
		526	bool ret = false;
		527
		528	XGCValues gcv;
		529	GC gc;
		530	Pixmap tmp_pixmap;
		531
		532	image_width = gdk_pixbuf_get_width (result);
		533	image_height = gdk_pixbuf_get_height (result);
		534
		535	if (need_blend)
		536	tmp_pixmap = XCreatePixmap (dpy, vt, new_pmap_width, new_pmap_height, 32);
		537	else
		538	{
		539	if (image.flags & IM_TILE)
462	{	540	{
463	ASImage *tmp = tile_asimage (asv, background, 0, 0,	541	new_pmap_width = min (image_width, target_width);
464	target_width, target_height, background_tint,	542	new_pmap_height = min (image_height, target_height);
465	ASA_XImage, 100, ASIMAGE_QUALITY_DEFAULT);
466	if (tmp)
467	result = tmp;
468	}
469	}	543	}
470	else
471	new_pmap_width = new_pmap_height = 0;
472	}
473	else
474	{
475	result = original_asim;
476		544
477	if ((w != original_asim->width)
478	|| (h != original_asim->height))
479	{
480	result = scale_asimage (asv, original_asim,
481	w, h,
482	background ? ASA_ASImage : ASA_XImage,
483	100, ASIMAGE_QUALITY_DEFAULT);
484	}
485
486	if (background == NULL)
487	{
488	if (bg_flags & BG_TILE)
489	{
490	/* if tiling - pixmap has to be sized exactly as the image,
491	but there is no need to make it bigger than the window! */
492	new_pmap_width = min (result->width, target_width);
493	new_pmap_height = min (result->height, target_height);
494
495	/* we also need to tile our image in both directions */
496	ASImage *tmp = tile_asimage (asv, result,
497	(int)result->width - x,
498	(int)result->height - y,
499	new_pmap_width,
500	new_pmap_height,
501	TINT_LEAVE_SAME, ASA_XImage,
502	100, ASIMAGE_QUALITY_DEFAULT);
503	if (tmp)
504	{
505	if (result != original_asim)
506	destroy_asimage (&result);
507
508	result = tmp;
509	}
510	}
511	}
512	else
513	{
514	/* if blending background and image - pixmap has to be sized same as target window */
515	ASImageLayer *layers = create_image_layers (2);
516
517	layers[0].im = background;
518	layers[0].clip_width = target_width;
519	layers[0].clip_height = target_height;
520	layers[0].tint = background_tint;
521	layers[1].im = result;
522
523	if (bg_flags & BG_TILE)
524	{
525	/* tile horizontally */
526	while (x > 0) x -= (int)result->width;
527	layers[1].dst_x = x;
528	layers[1].clip_width = result->width+target_width;
529	}
530	else
531	{
532	/* clip horizontally */
533	layers[1].dst_x = x;
534	layers[1].clip_width = result->width;
535	}
536
537	if (bg_flags & BG_TILE)
538	{
539	while (y > 0) y -= (int)result->height;
540	layers[1].dst_y = y;
541	layers[1].clip_height = result->height + target_height;
542	}
543	else
544	{
545	layers[1].dst_y = y;
546	layers[1].clip_height = result->height;
547	}
548
549	if (rs[Rs_blendtype])
550	{
551	layers[1].merge_scanlines = blend_scanlines_name2func (rs[Rs_blendtype]);
552	if (layers[1].merge_scanlines == NULL)
553	layers[1].merge_scanlines = alphablend_scanlines;
554	}
555
556	ASImage *tmp = merge_layers (asv, layers, 2, target_width, target_height,
557	ASA_XImage, 0, ASIMAGE_QUALITY_DEFAULT);
558
559	if (tmp)
560	{
561	if (result != original_asim)
562	destroy_asimage (&result);
563
564	result = tmp;
565	}
566
567	free (layers);
568	}
569	}
570
571	bool ret = false;
572
573	if (result)
574	{
575	XGCValues gcv;
576	GC gc;
577
578	/* create Pixmap */
579	if (bg_pixmap == None	545	if (bg_pixmap == None
580	|| bg_pmap_width != new_pmap_width	546	|| bg_pmap_width != new_pmap_width
581	|| bg_pmap_height != new_pmap_height)	547	|| bg_pmap_height != new_pmap_height)
582	{	548	{
583	if (bg_pixmap)	549	if (bg_pixmap)
584	XFreePixmap (dpy, bg_pixmap);	550	XFreePixmap (dpy, bg_pixmap);
585	bg_pixmap = XCreatePixmap (dpy, vt, new_pmap_width, new_pmap_height, depth);	551	bg_pixmap = XCreatePixmap (dpy, vt, new_pmap_width, new_pmap_height, depth);
586	bg_pmap_width = new_pmap_width;	552	bg_pmap_width = new_pmap_width;
587	bg_pmap_height = new_pmap_height;	553	bg_pmap_height = new_pmap_height;
588	}	554	}
589	/* fill with background color (if result's not completely overlapping it) */
590	gcv.foreground = pix_colors[Color_bg];
591	gc = XCreateGC (dpy, vt, GCForeground, &gcv);
592		555
593	int src_x = 0, src_y = 0, dst_x = 0, dst_y = 0;
594	int dst_width = result->width, dst_height = result->height;
595	if (background == NULL)
596	{
597	if (!(bg_flags & BG_TILE))
598	{
599	src_x = make_clip_rectangle (x, result->width , new_pmap_width , dst_x, dst_width );
600	src_y = make_clip_rectangle (y, result->height, new_pmap_height, dst_y, dst_height);
601	}
602
603	if (dst_x > 0 || dst_y > 0
604	|| dst_x + dst_width < new_pmap_width
605	|| dst_y + dst_height < new_pmap_height)
606	XFillRectangle (dpy, bg_pixmap, gc, 0, 0, new_pmap_width, new_pmap_height);
607	}
608
609	/* put result on pixmap */
610	if (dst_x < new_pmap_width && dst_y < new_pmap_height)
611	asimage2drawable (asv, bg_pixmap, result, gc, src_x, src_y, dst_x, dst_y, dst_width, dst_height, True);
612
613	if (result != background && result != original_asim)
614	destroy_asimage (&result);
615
616	XFreeGC (dpy, gc);
617
618	ret = true;
619	}
620
621	if (background)
622	destroy_asimage (&background);
623
624	return ret;
625	}
626	# endif /* HAVE_AFTERIMAGE */
627
628	# ifdef HAVE_PIXBUF
629	bool
630	rxvt_term::pixbuf_to_pixmap (GdkPixbuf *pixbuf, Pixmap pixmap, GC gc,
631	int src_x, int src_y, int dst_x, int dst_y,
632	unsigned int width, unsigned int height)
633	{
634	XImage *ximage;
635	char *data, *line;
636	int bytes_per_pixel;
637	int width_r, width_g, width_b;
638	int sh_r, sh_g, sh_b;
639	int rowstride;
640	int channels;
641	unsigned char *row;
642
643	if (visual->c_class != TrueColor)
644	return false;
645
646	if (depth == 24 || depth == 32)
647	bytes_per_pixel = 4;
648	else if (depth == 15 || depth == 16)
649	bytes_per_pixel = 2;
650	else
651	return false;
652
653	width_r = ecb_popcount32 (visual->red_mask);
654	width_g = ecb_popcount32 (visual->green_mask);
655	width_b = ecb_popcount32 (visual->blue_mask);
656
657	if (width_r > 8 || width_g > 8 || width_b > 8)
658	return false;
659
660	sh_r = ecb_ctz32 (visual->red_mask);
661	sh_g = ecb_ctz32 (visual->green_mask);
662	sh_b = ecb_ctz32 (visual->blue_mask);
663
664	if (width > INT_MAX / height / bytes_per_pixel)
665	return false;
666
667	data = (char *)malloc (width * height * bytes_per_pixel);
668	if (!data)
669	return false;
670
671	ximage = XCreateImage (dpy, visual, depth, ZPixmap, 0, data,
672	width, height, bytes_per_pixel * 8, 0);
673	if (!ximage)
674	{
675	free (data);
676	return false;
677	}
678
679	ximage->byte_order = ecb_big_endian () ? MSBFirst : LSBFirst;
680
681	rowstride = gdk_pixbuf_get_rowstride (pixbuf);
682	channels = gdk_pixbuf_get_n_channels (pixbuf);
683	row = gdk_pixbuf_get_pixels (pixbuf) + src_y * rowstride + src_x * channels;
684	line = data;
685
686	for (int y = 0; y < height; y++)
687	{
688	for (int x = 0; x < width; x++)
689	{
690	unsigned char *pixel = row + x * channels;
691	uint32_t value;
692
693	value = ((pixel[0] >> (8 - width_r)) << sh_r)
694	| ((pixel[1] >> (8 - width_g)) << sh_g)
695	| ((pixel[2] >> (8 - width_b)) << sh_b);
696
697	if (bytes_per_pixel == 4)
698	((uint32_t *)line)[x] = value;
699	else
700	((uint16_t *)line)[x] = value;
701	}
702
703	row += rowstride;
704	line += ximage->bytes_per_line;
705	}
706
707	XPutImage (dpy, pixmap, gc, ximage, 0, 0, dst_x, dst_y, width, height);
708	XDestroyImage (ximage);
709	return true;
710	}
711
712	bool
713	rxvt_term::render_image (unsigned long tr_flags)
714	{
715	if (!pixbuf)
716	return false;
717
718	if (tr_flags
719	&& !(bg_flags & BG_HAS_RENDER))
720	return false;
721
722	GdkPixbuf *result;
723
724	int image_width = gdk_pixbuf_get_width (pixbuf);
725	int image_height = gdk_pixbuf_get_height (pixbuf);
726
727	int target_width = szHint.width;
728	int target_height = szHint.height;
729	int new_pmap_width = target_width;
730	int new_pmap_height = target_height;
731
732	int x = 0;
733	int y = 0;
734	int w = 0;
735	int h = 0;
736
737	get_image_geometry (image_width, image_height, w, h, x, y);
738
739	if (!(bg_flags & BG_ROOT_ALIGN)
740	&& (x >= target_width
741	|| y >= target_height
742	|| (x + w <= 0)
743	|| (y + h <= 0)))
744	return false;
745
746	result = pixbuf;
747
748	if ((w != image_width)
749	|| (h != image_height))
750	{
751	result = gdk_pixbuf_scale_simple (pixbuf,
752	w, h,
753	GDK_INTERP_BILINEAR);
754	}
755
756	if (!result)
757	return false;
758
759	bool ret = false;
760
761	XGCValues gcv;
762	GC gc;
763	Pixmap root_pmap;
764
765	image_width = gdk_pixbuf_get_width (result);
766	image_height = gdk_pixbuf_get_height (result);
767
768	if (tr_flags)
769	{
770	root_pmap = bg_pixmap;	556	tmp_pixmap = bg_pixmap;
771	bg_pixmap = None;
772	}
773	else
774	{
775	if (bg_flags & BG_TILE)
776	{
777	new_pmap_width = min (image_width, target_width);
778	new_pmap_height = min (image_height, target_height);
779	}
780	}
781
782	if (bg_pixmap == None
783	|| bg_pmap_width != new_pmap_width
784	|| bg_pmap_height != new_pmap_height)
785	{
786	if (bg_pixmap)
787	XFreePixmap (dpy, bg_pixmap);
788	bg_pixmap = XCreatePixmap (dpy, vt, new_pmap_width, new_pmap_height, depth);
789	bg_pmap_width = new_pmap_width;
790	bg_pmap_height = new_pmap_height;
791	}	557	}
792		558
793	gcv.foreground = pix_colors[Color_bg];	559	gcv.foreground = pix_colors[Color_bg];
794	gc = XCreateGC (dpy, vt, GCForeground, &gcv);	560	gc = XCreateGC (dpy, tmp_pixmap, GCForeground, &gcv);
795		561
796	if (gc)	562	if (gc)
797	{	563	{
798	if (bg_flags & BG_TILE)	564	if (image.flags & IM_TILE)
799	{	565	{
800	Pixmap tile = XCreatePixmap (dpy, vt, image_width, image_height, depth);	566	Pixmap tile = XCreatePixmap (dpy, vt, image_width, image_height, need_blend ? 32 : depth);
801	pixbuf_to_pixmap (result, tile, gc,	567	pixbuf_to_pixmap (result, tile, gc,
802	0, 0,	568	0, 0,
803	0, 0,	569	0, 0,
804	image_width, image_height);	570	image_width, image_height, need_blend);
805		571
806	gcv.tile = tile;	572	gcv.tile = tile;
807	gcv.fill_style = FillTiled;	573	gcv.fill_style = FillTiled;
808	gcv.ts_x_origin = x;	574	gcv.ts_x_origin = x;
809	gcv.ts_y_origin = y;	575	gcv.ts_y_origin = y;
810	XChangeGC (dpy, gc, GCFillStyle | GCTile | GCTileStipXOrigin | GCTileStipYOrigin, &gcv);	576	XChangeGC (dpy, gc, GCFillStyle | GCTile | GCTileStipXOrigin | GCTileStipYOrigin, &gcv);
811		577
812	XFillRectangle (dpy, bg_pixmap, gc, 0, 0, new_pmap_width, new_pmap_height);	578	XFillRectangle (dpy, tmp_pixmap, gc, 0, 0, new_pmap_width, new_pmap_height);
813	XFreePixmap (dpy, tile);	579	XFreePixmap (dpy, tile);
814	}	580	}
815	else	581	else
816	{	582	{
817	int src_x, src_y, dst_x, dst_y;	583	int src_x, src_y, dst_x, dst_y;
…		…
821	src_y = make_clip_rectangle (y, image_height, new_pmap_height, dst_y, dst_height);	587	src_y = make_clip_rectangle (y, image_height, new_pmap_height, dst_y, dst_height);
822		588
823	if (dst_x > 0 || dst_y > 0	589	if (dst_x > 0 || dst_y > 0
824	|| dst_x + dst_width < new_pmap_width	590	|| dst_x + dst_width < new_pmap_width
825	|| dst_y + dst_height < new_pmap_height)	591	|| dst_y + dst_height < new_pmap_height)
826	XFillRectangle (dpy, bg_pixmap, gc, 0, 0, new_pmap_width, new_pmap_height);	592	XFillRectangle (dpy, tmp_pixmap, gc, 0, 0, new_pmap_width, new_pmap_height);
827		593
828	if (dst_x < new_pmap_width && dst_y < new_pmap_height)	594	if (dst_x < new_pmap_width && dst_y < new_pmap_height)
829	pixbuf_to_pixmap (result, bg_pixmap, gc,	595	pixbuf_to_pixmap (result, tmp_pixmap, gc,
830	src_x, src_y,	596	src_x, src_y,
831	dst_x, dst_y,	597	dst_x, dst_y,
832	dst_width, dst_height);	598	dst_width, dst_height, need_blend);
833	}	599	}
834		600
835	#if XRENDER	601	#if XRENDER
836	if (tr_flags)	602	if (need_blend)
837	{	603	{
838	XRenderPictureAttributes pa;	604	XRenderPictFormat *argb_format = XRenderFindStandardFormat (dpy, PictStandardARGB32);
839
840	XRenderPictFormat *src_format = XRenderFindVisualFormat (dpy, visual);	605	XRenderPictFormat *format = XRenderFindVisualFormat (dpy, visual);
		606
841	Picture src = XRenderCreatePicture (dpy, root_pmap, src_format, 0, &pa);	607	Picture src = XRenderCreatePicture (dpy, tmp_pixmap, argb_format, 0, 0);
842		608
843	XRenderPictFormat *dst_format = XRenderFindVisualFormat (dpy, visual);
844	Picture dst = XRenderCreatePicture (dpy, bg_pixmap, dst_format, 0, &pa);	609	Picture dst = XRenderCreatePicture (dpy, bg_pixmap, format, 0, 0);
845		610
846	pa.repeat = True;	611	Picture mask = create_xrender_mask (dpy, vt, False, False);
847	Pixmap mask_pmap = XCreatePixmap (dpy, vt, 1, 1, 8);
848	XRenderPictFormat *mask_format = XRenderFindStandardFormat (dpy, PictStandardA8);
849	Picture mask = XRenderCreatePicture (dpy, mask_pmap, mask_format, CPRepeat, &pa);
850	XFreePixmap (dpy, mask_pmap);
851		612
852	XRenderColor mask_c;	613	XRenderColor mask_c;
853		614
854	mask_c.alpha = 0x8000;	615	mask_c.alpha = 0x8000;
855	mask_c.red = 0;	616	mask_c.red =
856	mask_c.green = 0;	617	mask_c.green =
857	mask_c.blue = 0;	618	mask_c.blue = 0;
858	XRenderFillRectangle (dpy, PictOpSrc, mask, &mask_c, 0, 0, 1, 1);	619	XRenderFillRectangle (dpy, PictOpSrc, mask, &mask_c, 0, 0, 1, 1);
		620
859	XRenderComposite (dpy, PictOpOver, src, mask, dst, 0, 0, 0, 0, 0, 0, target_width, target_height);	621	XRenderComposite (dpy, PictOpOver, src, mask, dst, 0, 0, 0, 0, 0, 0, target_width, target_height);
860		622
861	XRenderFreePicture (dpy, src);	623	XRenderFreePicture (dpy, src);
862	XRenderFreePicture (dpy, dst);	624	XRenderFreePicture (dpy, dst);
863	XRenderFreePicture (dpy, mask);	625	XRenderFreePicture (dpy, mask);
…		…
870	}	632	}
871		633
872	if (result != pixbuf)	634	if (result != pixbuf)
873	g_object_unref (result);	635	g_object_unref (result);
874		636
875	if (tr_flags)	637	if (need_blend)
876	XFreePixmap (dpy, root_pmap);	638	XFreePixmap (dpy, tmp_pixmap);
877		639
878	return ret;	640	return ret;
879	}	641	}
880	# endif /* HAVE_PIXBUF */	642	# endif /* HAVE_PIXBUF */
881		643
882	bool	644	bool
883	rxvt_term::bg_set_file (const char *file)	645	rxvt_image::set_file (const char *file)
884	{	646	{
885	if (!file || !*file)	647	if (!file || !*file)
886	return false;	648	return false;
887		649
		650	bool ret = false;
888	if (const char *p = strchr (file, ';'))	651	const char *p = strchr (file, ';');
		652
		653	if (p)
889	{	654	{
890	size_t len = p - file;	655	size_t len = p - file;
891	char *f = rxvt_temp_buf<char> (len + 1);	656	char *f = rxvt_temp_buf<char> (len + 1);
892	memcpy (f, file, len);	657	memcpy (f, file, len);
893	f[len] = '\0';	658	f[len] = '\0';
894	file = f;	659	file = f;
895	}	660	}
896		661
897	# ifdef HAVE_AFTERIMAGE
898	if (!asimman)
899	asimman = create_generic_imageman (rs[Rs_path]);
900	ASImage *image = get_asimage (asimman, file, 0xFFFFFFFF, 100);
901	if (image)
902	{
903	if (original_asim)
904	safe_asimage_destroy (original_asim);
905	original_asim = image;
906	bg_flags |= BG_IS_FROM_FILE | BG_CLIENT_RENDER;
907	return true;
908	}
909	# endif
910
911	# ifdef HAVE_PIXBUF	662	# ifdef HAVE_PIXBUF
912	GdkPixbuf *image = gdk_pixbuf_new_from_file (file, NULL);	663	GdkPixbuf *image = gdk_pixbuf_new_from_file (file, NULL);
913	if (image)	664	if (image)
914	{	665	{
915	if (pixbuf)	666	if (pixbuf)
916	g_object_unref (pixbuf);	667	g_object_unref (pixbuf);
917	pixbuf = image;	668	pixbuf = image;
918	bg_flags |= BG_IS_FROM_FILE;
919	return true;	669	ret = true;
920	}	670	}
921	# endif	671	# endif
922		672
		673	if (ret)
		674	{
		675	flags = IM_IS_SET | IM_IS_SIZE_SENSITIVE;
		676	h_scale = v_scale = defaultScale;
		677	h_align = v_align = defaultAlign;
		678
		679	if (p)
		680	set_geometry (p + 1);
		681	}
		682
923	return false;	683	return ret;
924	}	684	}
925		685
926	# endif /* BG_IMAGE_FROM_FILE */	686	# endif /* BG_IMAGE_FROM_FILE */
927		687
928	# ifdef ENABLE_TRANSPARENCY	688	# ifdef ENABLE_TRANSPARENCY
929	bool
930	rxvt_term::bg_set_transparent ()
931	{
932	if (!(bg_flags & BG_IS_TRANSPARENT))
933	{
934	bg_flags |= BG_IS_TRANSPARENT;
935	return true;
936	}
937
938	return false;
939	}
940
941	bool	689	bool
942	rxvt_term::bg_set_blur (const char *geom)	690	rxvt_term::bg_set_blur (const char *geom)
943	{	691	{
944	bool changed = false;	692	bool changed = false;
945	unsigned int hr, vr;	693	unsigned int hr, vr;
…		…
964	{	712	{
965	changed = true;	713	changed = true;
966	v_blurRadius = vr;	714	v_blurRadius = vr;
967	}	715	}
968		716
969	if (v_blurRadius == 0 && h_blurRadius == 0)
970	bg_flags &= ~BG_NEEDS_BLUR;
971	else
972	bg_flags |= BG_NEEDS_BLUR;
973
974	return changed;	717	return changed;
975	}	718	}
976		719
977	void	720	bool
978	rxvt_term::set_tint_shade_flags ()	721	rxvt_term::bg_set_tint (rxvt_color &new_tint)
979	{	722	{
980	rgba c (rgba::MAX_CC,rgba::MAX_CC,rgba::MAX_CC);	723	if (!(bg_flags & BG_TINT_SET) || tint != new_tint)
981	bool has_shade = shade != 100;	724	{
982		725	tint = new_tint;
983	bg_flags &= ~BG_TINT_FLAGS;	726	bg_flags |= BG_TINT_SET;
984		727
985	if (bg_flags & BG_TINT_SET)	728	rgba c;
986	{
987	tint.get (c);	729	tint.get (c);
988	if (!has_shade
989	&& (c.r <= 0x00ff || c.r >= 0xff00)	730	if ((c.r <= 0x00ff || c.r >= 0xff00)
990	&& (c.g <= 0x00ff || c.g >= 0xff00)	731	&& (c.g <= 0x00ff || c.g >= 0xff00)
991	&& (c.b <= 0x00ff || c.b >= 0xff00))	732	&& (c.b <= 0x00ff || c.b >= 0xff00))
992	bg_flags |= BG_TINT_BITAND;	733	bg_flags |= BG_TINT_BITAND;
993	}	734	else
994
995	if (has_shade || (bg_flags & BG_TINT_SET))
996	bg_flags |= BG_NEEDS_TINT;
997	}
998
999	bool
1000	rxvt_term::bg_set_tint (rxvt_color &new_tint)
1001	{
1002	if (!(bg_flags & BG_TINT_SET) || tint != new_tint)
1003	{
1004	tint = new_tint;
1005	bg_flags |= BG_TINT_SET;	735	bg_flags &= ~BG_TINT_BITAND;
1006	set_tint_shade_flags ();	736
1007	return true;	737	return true;
1008	}	738	}
1009		739
1010	return false;	740	return false;
1011	}	741	}
1012		742
1013	bool	743	bool
1014	rxvt_term::bg_set_shade (const char *shade_str)	744	rxvt_term::bg_set_shade (const char *shade_str)
1015	{	745	{
1016	int new_shade = (shade_str) ? atoi (shade_str) : 100;	746	int new_shade = atoi (shade_str);
1017		747
1018	clamp_it (new_shade, -100, 200);	748	clamp_it (new_shade, -100, 200);
1019	if (new_shade < 0)	749	if (new_shade < 0)
1020	new_shade = 200 - (100 + new_shade);	750	new_shade = 200 - (100 + new_shade);
1021		751
1022	if (new_shade != shade)	752	if (new_shade != shade)
1023	{	753	{
1024	shade = new_shade;	754	shade = new_shade;
1025	set_tint_shade_flags ();
1026	return true;	755	return true;
1027	}	756	}
1028		757
1029	return false;	758	return false;
1030	}	759	}
…		…
1051	params[i+2] = XDoubleToFixed (kernel[i] / sum);	780	params[i+2] = XDoubleToFixed (kernel[i] / sum);
1052	}	781	}
1053	#endif	782	#endif
1054		783
1055	bool	784	bool
1056	rxvt_term::blur_pixmap (Pixmap pixmap, Visual *visual, int width, int height)	785	rxvt_term::blur_pixmap (Pixmap pixmap, int width, int height)
1057	{	786	{
1058	bool ret = false;	787	bool ret = false;
1059	#if XRENDER	788	#if XRENDER
		789	if (!(bg_flags & BG_HAS_RENDER_CONV))
		790	return false;
		791
1060	int size = max (h_blurRadius, v_blurRadius) * 2 + 1;	792	int size = max (h_blurRadius, v_blurRadius) * 2 + 1;
1061	double *kernel = (double *)malloc (size * sizeof (double));	793	double *kernel = (double *)malloc (size * sizeof (double));
1062	XFixed *params = (XFixed *)malloc ((size + 2) * sizeof (XFixed));	794	XFixed *params = (XFixed *)malloc ((size + 2) * sizeof (XFixed));
1063		795
1064	XRenderPictureAttributes pa;	796	XRenderPictureAttributes pa;
1065	XRenderPictFormat *format = XRenderFindVisualFormat (dpy, visual);	797	XRenderPictFormat *format = XRenderFindVisualFormat (dpy, visual);
1066		798
		799	pa.repeat = RepeatPad;
1067	Picture src = XRenderCreatePicture (dpy, pixmap, format, 0, &pa);	800	Picture src = XRenderCreatePicture (dpy, pixmap, format, CPRepeat, &pa);
		801	Pixmap tmp = XCreatePixmap (dpy, pixmap, width, height, depth);
1068	Picture dst = XRenderCreatePicture (dpy, pixmap, format, 0, &pa);	802	Picture dst = XRenderCreatePicture (dpy, tmp, format, CPRepeat, &pa);
		803	XFreePixmap (dpy, tmp);
1069		804
1070	if (kernel && params)	805	if (kernel && params)
1071	{	806	{
1072	if (h_blurRadius)
1073	{
1074	size = h_blurRadius * 2 + 1;	807	size = h_blurRadius * 2 + 1;
1075	get_gaussian_kernel (h_blurRadius, size, kernel, params);	808	get_gaussian_kernel (h_blurRadius, size, kernel, params);
1076		809
1077	XRenderSetPictureFilter (dpy, src, FilterConvolution, params, size+2);	810	XRenderSetPictureFilter (dpy, src, FilterConvolution, params, size+2);
1078	XRenderComposite (dpy,	811	XRenderComposite (dpy,
1079	PictOpSrc,	812	PictOpSrc,
1080	src,	813	src,
1081	None,	814	None,
1082	dst,	815	dst,
1083	0, 0,	816	0, 0,
1084	0, 0,	817	0, 0,
1085	0, 0,	818	0, 0,
1086	width, height);	819	width, height);
1087	}
1088		820
1089	if (v_blurRadius)	821	::swap (src, dst);
1090	{	822
1091	size = v_blurRadius * 2 + 1;	823	size = v_blurRadius * 2 + 1;
1092	get_gaussian_kernel (v_blurRadius, size, kernel, params);	824	get_gaussian_kernel (v_blurRadius, size, kernel, params);
1093	::swap (params[0], params[1]);	825	::swap (params[0], params[1]);
1094		826
1095	XRenderSetPictureFilter (dpy, src, FilterConvolution, params, size+2);	827	XRenderSetPictureFilter (dpy, src, FilterConvolution, params, size+2);
1096	XRenderComposite (dpy,	828	XRenderComposite (dpy,
1097	PictOpSrc,	829	PictOpSrc,
1098	src,	830	src,
1099	None,	831	None,
1100	dst,	832	dst,
1101	0, 0,	833	0, 0,
1102	0, 0,	834	0, 0,
1103	0, 0,	835	0, 0,
1104	width, height);	836	width, height);
1105	}
1106		837
1107	ret = true;	838	ret = true;
1108	}	839	}
1109		840
1110	free (kernel);	841	free (kernel);
…		…
1114	#endif	845	#endif
1115	return ret;	846	return ret;
1116	}	847	}
1117		848
1118	bool	849	bool
1119	rxvt_term::tint_pixmap (Pixmap pixmap, Visual *visual, int width, int height)	850	rxvt_term::tint_pixmap (Pixmap pixmap, int width, int height)
1120	{	851	{
1121	bool ret = false;	852	bool ret = false;
1122		853
1123	if (bg_flags & BG_TINT_BITAND)	854	if (shade == 100 && (bg_flags & BG_TINT_BITAND))
1124	{	855	{
1125	XGCValues gcv;	856	XGCValues gcv;
1126	GC gc;	857	GC gc;
1127		858
1128	/* In this case we can tint image server-side getting significant	859	/* In this case we can tint image server-side getting significant
…		…
1137	XFillRectangle (dpy, pixmap, gc, 0, 0, width, height);	868	XFillRectangle (dpy, pixmap, gc, 0, 0, width, height);
1138	ret = true;	869	ret = true;
1139	XFreeGC (dpy, gc);	870	XFreeGC (dpy, gc);
1140	}	871	}
1141	}	872	}
1142	else
1143	{
1144	# if XRENDER	873	# if XRENDER
		874	else if (bg_flags & BG_HAS_RENDER)
		875	{
1145	rgba c (rgba::MAX_CC, rgba::MAX_CC, rgba::MAX_CC);	876	rgba c (rgba::MAX_CC, rgba::MAX_CC, rgba::MAX_CC);
1146		877
1147	if (bg_flags & BG_TINT_SET)	878	if (bg_flags & BG_TINT_SET)
1148	tint.get (c);	879	tint.get (c);
1149		880
…		…
1158	c.r = c.r * (200 - shade) / 100;	889	c.r = c.r * (200 - shade) / 100;
1159	c.g = c.g * (200 - shade) / 100;	890	c.g = c.g * (200 - shade) / 100;
1160	c.b = c.b * (200 - shade) / 100;	891	c.b = c.b * (200 - shade) / 100;
1161	}	892	}
1162		893
1163	XRenderPictFormat *solid_format = XRenderFindStandardFormat (dpy, PictStandardARGB32);
1164	XRenderPictFormat *format = XRenderFindVisualFormat (dpy, visual);	894	XRenderPictFormat *format = XRenderFindVisualFormat (dpy, visual);
1165	XRenderPictureAttributes pa;
1166		895
1167	Picture back_pic = XRenderCreatePicture (dpy, pixmap, format, 0, &pa);	896	Picture back_pic = XRenderCreatePicture (dpy, pixmap, format, 0, 0);
1168		897
1169	pa.repeat = True;	898	Picture overlay_pic = create_xrender_mask (dpy, pixmap, True, False);
1170		899
1171	Pixmap overlay_pmap = XCreatePixmap (dpy, pixmap, 1, 1, 32);	900	Picture mask_pic = create_xrender_mask (dpy, pixmap, True, True);
1172	Picture overlay_pic = XRenderCreatePicture (dpy, overlay_pmap, solid_format, CPRepeat, &pa);
1173	XFreePixmap (dpy, overlay_pmap);
1174
1175	pa.component_alpha = True;
1176	Pixmap mask_pmap = XCreatePixmap (dpy, pixmap, 1, 1, 32);
1177	Picture mask_pic = XRenderCreatePicture (dpy, mask_pmap, solid_format, CPRepeat | CPComponentAlpha, &pa);
1178	XFreePixmap (dpy, mask_pmap);
1179		901
1180	XRenderColor mask_c;	902	XRenderColor mask_c;
1181		903
1182	mask_c.alpha = 0xffff;	904	mask_c.alpha = 0xffff;
1183	mask_c.red =	905	mask_c.red =
…		…
1188	mask_c.alpha = 0;	910	mask_c.alpha = 0;
1189	mask_c.red = 0xffff - c.r;	911	mask_c.red = 0xffff - c.r;
1190	mask_c.green = 0xffff - c.g;	912	mask_c.green = 0xffff - c.g;
1191	mask_c.blue = 0xffff - c.b;	913	mask_c.blue = 0xffff - c.b;
1192	XRenderFillRectangle (dpy, PictOpSrc, mask_pic, &mask_c, 0, 0, 1, 1);	914	XRenderFillRectangle (dpy, PictOpSrc, mask_pic, &mask_c, 0, 0, 1, 1);
		915
1193	XRenderComposite (dpy, PictOpOver, overlay_pic, mask_pic, back_pic, 0, 0, 0, 0, 0, 0, width, height);	916	XRenderComposite (dpy, PictOpOver, overlay_pic, mask_pic, back_pic, 0, 0, 0, 0, 0, 0, width, height);
1194		917
1195	if (shade > 100)	918	if (shade > 100)
1196	{	919	{
1197	mask_c.red = mask_c.green = mask_c.blue = 0xffff * (shade - 100) / 100;
1198	mask_c.alpha = 0;	920	mask_c.alpha = 0;
		921	mask_c.red =
		922	mask_c.green =
		923	mask_c.blue = 0xffff * (shade - 100) / 100;
1199	XRenderFillRectangle (dpy, PictOpSrc, overlay_pic, &mask_c, 0, 0, 1, 1);	924	XRenderFillRectangle (dpy, PictOpSrc, overlay_pic, &mask_c, 0, 0, 1, 1);
1200		925
1201	XRenderComposite (dpy, PictOpOver, overlay_pic, None, back_pic, 0, 0, 0, 0, 0, 0, width, height);	926	XRenderComposite (dpy, PictOpOver, overlay_pic, None, back_pic, 0, 0, 0, 0, 0, 0, width, height);
1202	}	927	}
1203		928
1204	ret = true;	929	ret = true;
1205		930
1206	XRenderFreePicture (dpy, mask_pic);	931	XRenderFreePicture (dpy, mask_pic);
1207	XRenderFreePicture (dpy, overlay_pic);	932	XRenderFreePicture (dpy, overlay_pic);
1208	XRenderFreePicture (dpy, back_pic);	933	XRenderFreePicture (dpy, back_pic);
		934	}
1209	# endif	935	# endif
1210	}
1211		936
1212	return ret;	937	return ret;
1213	}	938	}
1214		939
1215	/*	940	/*
1216	* Builds a pixmap of the same size as the terminal window that contains	941	* Builds a pixmap of the same size as the terminal window that contains
1217	* the tiled portion of the root pixmap that is supposed to be covered by	942	* the tiled portion of the root pixmap that is supposed to be covered by
1218	* our window.	943	* our window.
1219	*/	944	*/
1220	unsigned long	945	bool
1221	rxvt_term::make_transparency_pixmap ()	946	rxvt_term::make_transparency_pixmap ()
1222	{	947	{
1223	unsigned long result = 0;	948	bool ret = false;
1224		949
1225	/* root dimensions may change from call to call - but Display structure should	950	/* root dimensions may change from call to call - but Display structure should
1226	* be always up-to-date, so let's use it :	951	* be always up-to-date, so let's use it :
1227	*/	952	*/
1228	int screen = display->screen;	953	int screen = display->screen;
…		…
1266	#if XRENDER	991	#if XRENDER
1267	if (bg_flags & BG_HAS_RENDER)	992	if (bg_flags & BG_HAS_RENDER)
1268	{	993	{
1269	recoded_root_pmap = XCreatePixmap (dpy, vt, root_pmap_width, root_pmap_height, depth);	994	recoded_root_pmap = XCreatePixmap (dpy, vt, root_pmap_width, root_pmap_height, depth);
1270		995
1271	XRenderPictureAttributes pa;
1272
1273	XRenderPictFormat *src_format = XRenderFindVisualFormat (dpy, DefaultVisual (dpy, screen));	996	XRenderPictFormat *src_format = XRenderFindVisualFormat (dpy, DefaultVisual (dpy, screen));
1274	Picture src = XRenderCreatePicture (dpy, root_pixmap, src_format, 0, &pa);	997	Picture src = XRenderCreatePicture (dpy, root_pixmap, src_format, 0, 0);
1275		998
1276	XRenderPictFormat *dst_format = XRenderFindVisualFormat (dpy, visual);	999	XRenderPictFormat *dst_format = XRenderFindVisualFormat (dpy, visual);
1277	Picture dst = XRenderCreatePicture (dpy, recoded_root_pmap, dst_format, 0, &pa);	1000	Picture dst = XRenderCreatePicture (dpy, recoded_root_pmap, dst_format, 0, 0);
1278		1001
1279	XRenderComposite (dpy, PictOpSrc, src, None, dst, 0, 0, 0, 0, 0, 0, root_pmap_width, root_pmap_height);	1002	XRenderComposite (dpy, PictOpSrc, src, None, dst, 0, 0, 0, 0, 0, 0, root_pmap_width, root_pmap_height);
1280		1003
1281	XRenderFreePicture (dpy, src);	1004	XRenderFreePicture (dpy, src);
1282	XRenderFreePicture (dpy, dst);	1005	XRenderFreePicture (dpy, dst);
…		…
1299	bg_pmap_width = window_width;	1022	bg_pmap_width = window_width;
1300	bg_pmap_height = window_height;	1023	bg_pmap_height = window_height;
1301	}	1024	}
1302		1025
1303	/* straightforward pixmap copy */	1026	/* straightforward pixmap copy */
1304	while (sx < 0) sx += root_width;	1027	while (sx < 0) sx += root_pmap_width;
1305	while (sy < 0) sy += root_height;	1028	while (sy < 0) sy += root_pmap_height;
1306		1029
1307	gcv.tile = recoded_root_pmap;	1030	gcv.tile = recoded_root_pmap;
1308	gcv.fill_style = FillTiled;	1031	gcv.fill_style = FillTiled;
1309	gcv.ts_x_origin = -sx;	1032	gcv.ts_x_origin = -sx;
1310	gcv.ts_y_origin = -sy;	1033	gcv.ts_y_origin = -sy;
1311	gc = XCreateGC (dpy, vt, GCFillStyle | GCTile | GCTileStipXOrigin | GCTileStipYOrigin, &gcv);	1034	gc = XCreateGC (dpy, vt, GCFillStyle | GCTile | GCTileStipXOrigin | GCTileStipYOrigin, &gcv);
1312		1035
1313	if (gc)	1036	if (gc)
1314	{	1037	{
1315	XFillRectangle (dpy, bg_pixmap, gc, 0, 0, window_width, window_height);	1038	XFillRectangle (dpy, bg_pixmap, gc, 0, 0, window_width, window_height);
1316	result |= BG_IS_VALID | (bg_flags & BG_EFFECTS_FLAGS);	1039	ret = true;
		1040	bool need_blur = h_blurRadius && v_blurRadius;
		1041	bool need_tint = shade != 100 || (bg_flags & BG_TINT_SET);
		1042
		1043	if (!(bg_flags & BG_CLIENT_RENDER))
		1044	{
		1045	if (need_blur)
		1046	{
		1047	if (blur_pixmap (bg_pixmap, window_width, window_height))
		1048	need_blur = false;
		1049	}
		1050	if (need_tint)
		1051	{
		1052	if (tint_pixmap (bg_pixmap, window_width, window_height))
		1053	need_tint = false;
		1054	}
		1055	if (need_tint)
		1056	{
		1057	XImage *ximage = XGetImage (dpy, bg_pixmap, 0, 0, bg_pmap_width, bg_pmap_height, AllPlanes, ZPixmap);
		1058	if (ximage)
		1059	{
		1060	/* our own client-side tinting */
		1061	tint_ximage (ximage);
		1062
		1063	XPutImage (dpy, bg_pixmap, gc, ximage, 0, 0, 0, 0, ximage->width, ximage->height);
		1064	XDestroyImage (ximage);
		1065	}
		1066	}
		1067	} /* server side rendering completed */
		1068
1317	XFreeGC (dpy, gc);	1069	XFreeGC (dpy, gc);
1318
1319	if (!(bg_flags & BG_CLIENT_RENDER))
1320	{
1321	if ((bg_flags & BG_NEEDS_BLUR)
1322	&& (bg_flags & BG_HAS_RENDER_CONV))
1323	{
1324	if (blur_pixmap (bg_pixmap, visual, window_width, window_height))
1325	result &= ~BG_NEEDS_BLUR;
1326	}
1327	if ((bg_flags & BG_NEEDS_TINT)
1328	&& (bg_flags & (BG_TINT_BITAND | BG_HAS_RENDER)))
1329	{
1330	if (tint_pixmap (bg_pixmap, visual, window_width, window_height))
1331	result &= ~BG_NEEDS_TINT;
1332	}
1333	} /* server side rendering completed */
1334	}	1070	}
1335		1071
1336	if (recoded_root_pmap != root_pixmap)	1072	if (recoded_root_pmap != root_pixmap)
1337	XFreePixmap (dpy, recoded_root_pmap);	1073	XFreePixmap (dpy, recoded_root_pmap);
1338		1074
1339	return result;	1075	return ret;
1340	}	1076	}
1341		1077
1342	void	1078	void
1343	rxvt_term::bg_set_root_pixmap ()	1079	rxvt_term::bg_set_root_pixmap ()
1344	{	1080	{
…		…
1348		1084
1349	root_pixmap = new_root_pixmap;	1085	root_pixmap = new_root_pixmap;
1350	}	1086	}
1351	# endif /* ENABLE_TRANSPARENCY */	1087	# endif /* ENABLE_TRANSPARENCY */
1352		1088
1353	#if defined(ENABLE_TRANSPARENCY) && !defined(HAVE_AFTERIMAGE)
1354	static void shade_ximage (Visual *visual, XImage *ximage, int shade, const rgba &c);
1355	# endif
1356
1357	bool	1089	bool
1358	rxvt_term::bg_render ()	1090	rxvt_term::bg_render ()
1359	{	1091	{
1360	unsigned long tr_flags = 0;
1361
1362	bg_invalidate ();	1092	bg_invalidate ();
1363	# ifdef ENABLE_TRANSPARENCY	1093	# ifdef ENABLE_TRANSPARENCY
1364	if (bg_flags & BG_IS_TRANSPARENT)	1094	if (bg_flags & BG_IS_TRANSPARENT)
1365	{	1095	{
1366	/* we need to re-generate transparency pixmap in that case ! */	1096	/* we need to re-generate transparency pixmap in that case ! */
1367	tr_flags = make_transparency_pixmap ();	1097	if (make_transparency_pixmap ())
1368	if (tr_flags == 0)
1369	return false;
1370	else if (!(tr_flags & BG_EFFECTS_FLAGS))
1371	bg_flags |= BG_IS_VALID;	1098	bg_flags |= BG_IS_VALID;
1372	}	1099	}
1373	# endif	1100	# endif
1374		1101
1375	# ifdef BG_IMAGE_FROM_FILE	1102	# ifdef BG_IMAGE_FROM_FILE
1376	if ((bg_flags & BG_IS_FROM_FILE)	1103	if (bg_image.flags & IM_IS_SET)
1377	|| (tr_flags & BG_EFFECTS_FLAGS))
1378	{	1104	{
1379	if (render_image (tr_flags))	1105	if (render_image (bg_image))
1380	bg_flags |= BG_IS_VALID;	1106	bg_flags |= BG_IS_VALID;
1381	}
1382	# endif
1383
1384	# if defined(ENABLE_TRANSPARENCY) && !defined(HAVE_AFTERIMAGE)
1385	XImage *result = NULL;
1386
1387	if (tr_flags && !(bg_flags & BG_IS_VALID))
1388	{
1389	result = XGetImage (dpy, bg_pixmap, 0, 0, bg_pmap_width, bg_pmap_height, AllPlanes, ZPixmap);
1390	}
1391
1392	if (result)
1393	{
1394	/* our own client-side tinting */
1395	if (tr_flags & BG_NEEDS_TINT)
1396	{
1397	rgba c (rgba::MAX_CC,rgba::MAX_CC,rgba::MAX_CC);
1398	if (bg_flags & BG_TINT_SET)
1399	tint.get (c);
1400	shade_ximage (DefaultVisual (dpy, display->screen), result, shade, c);
1401	}
1402
1403	GC gc = XCreateGC (dpy, vt, 0UL, NULL);
1404
1405	if (gc)
1406	{
1407	XPutImage (dpy, bg_pixmap, gc, result, 0, 0, 0, 0, result->width, result->height);
1408
1409	XFreeGC (dpy, gc);
1410	bg_flags |= BG_IS_VALID;
1411	}
1412
1413	XDestroyImage (result);
1414	}	1107	}
1415	# endif	1108	# endif
1416		1109
1417	if (!(bg_flags & BG_IS_VALID))	1110	if (!(bg_flags & BG_IS_VALID))
1418	{	1111	{
…		…
1455	#endif	1148	#endif
1456	}	1149	}
1457		1150
1458	#endif /* HAVE_BG_PIXMAP */	1151	#endif /* HAVE_BG_PIXMAP */
1459		1152
1460	#if defined(ENABLE_TRANSPARENCY) && !defined(HAVE_AFTERIMAGE)	1153	#ifdef ENABLE_TRANSPARENCY
1461	/* taken from aterm-0.4.2 */	1154	/* based on code from aterm-0.4.2 */
1462		1155
1463	static void	1156	static inline void
1464	shade_ximage (Visual *visual, XImage *ximage, int shade, const rgba &c)	1157	fill_lut (uint32_t *lookup, uint32_t mask, int sh, unsigned short low, unsigned short high)
1465	{	1158	{
		1159	for (int i = 0; i <= mask >> sh; i++)
		1160	{
		1161	uint32_t tmp;
		1162	tmp = i * high;
		1163	tmp += (mask >> sh) * low;
		1164	lookup[i] = (tmp / 0xffff) << sh;
		1165	}
		1166	}
		1167
		1168	void
		1169	rxvt_term::tint_ximage (XImage *ximage)
		1170	{
		1171	unsigned int size_r, size_g, size_b;
1466	int sh_r, sh_g, sh_b;	1172	int sh_r, sh_g, sh_b;
1467	uint32_t mask_r, mask_g, mask_b;	1173	uint32_t mask_r, mask_g, mask_b;
1468	uint32_t *lookup, *lookup_r, *lookup_g, *lookup_b;	1174	uint32_t *lookup, *lookup_r, *lookup_g, *lookup_b;
1469	rgba low;	1175	unsigned short low;
1470	rgba high;
1471	int i;
1472	int host_byte_order = ecb_big_endian () ? MSBFirst : LSBFirst;	1176	int host_byte_order = ecb_big_endian () ? MSBFirst : LSBFirst;
1473		1177
1474	if (visual->c_class != TrueColor || ximage->format != ZPixmap) return;	1178	if (visual->c_class != TrueColor || ximage->format != ZPixmap) return;
1475		1179
1476	/* for convenience */	1180	/* for convenience */
1477	mask_r = visual->red_mask;	1181	mask_r = visual->red_mask;
1478	mask_g = visual->green_mask;	1182	mask_g = visual->green_mask;
1479	mask_b = visual->blue_mask;	1183	mask_b = visual->blue_mask;
1480		1184
1481	/* boring lookup table pre-initialization */	1185	/* boring lookup table pre-initialization */
1482	switch (ximage->depth)	1186	sh_r = ecb_ctz32 (mask_r);
1483	{	1187	sh_g = ecb_ctz32 (mask_g);
1484	case 15:	1188	sh_b = ecb_ctz32 (mask_b);
1485	if ((mask_r != 0x7c00) ||	1189
1486	(mask_g != 0x03e0) ||	1190	size_r = mask_r >> sh_r;
1487	(mask_b != 0x001f))	1191	size_g = mask_g >> sh_g;
		1192	size_b = mask_b >> sh_b;
		1193
		1194	if (size_r++ > 255 || size_g++ > 255 || size_b++ > 255)
1488	return;	1195	return;
1489	lookup = (uint32_t *) malloc (sizeof (uint32_t)*(32+32+32));	1196
		1197	lookup = (uint32_t *)malloc (sizeof (uint32_t) * (size_r + size_g + size_b));
1490	lookup_r = lookup;	1198	lookup_r = lookup;
1491	lookup_g = lookup+32;	1199	lookup_g = lookup + size_r;
1492	lookup_b = lookup+32+32;	1200	lookup_b = lookup + size_r + size_g;
1493	sh_r = 10;	1201
1494	sh_g = 5;	1202	rgba c (rgba::MAX_CC, rgba::MAX_CC, rgba::MAX_CC);
1495	sh_b = 0;	1203
1496	break;	1204	if (bg_flags & BG_TINT_SET)
1497	case 16:	1205	tint.get (c);
1498	if ((mask_r != 0xf800) ||
1499	(mask_g != 0x07e0) ||
1500	(mask_b != 0x001f))
1501	return;
1502	lookup = (uint32_t *) malloc (sizeof (uint32_t)*(32+64+32));
1503	lookup_r = lookup;
1504	lookup_g = lookup+32;
1505	lookup_b = lookup+32+64;
1506	sh_r = 11;
1507	sh_g = 5;
1508	sh_b = 0;
1509	break;
1510	case 24:
1511	if ((mask_r != 0xff0000) ||
1512	(mask_g != 0x00ff00) ||
1513	(mask_b != 0x0000ff))
1514	return;
1515	lookup = (uint32_t *) malloc (sizeof (uint32_t)*(256+256+256));
1516	lookup_r = lookup;
1517	lookup_g = lookup+256;
1518	lookup_b = lookup+256+256;
1519	sh_r = 16;
1520	sh_g = 8;
1521	sh_b = 0;
1522	break;
1523	case 32:
1524	if ((mask_r != 0xff0000) ||
1525	(mask_g != 0x00ff00) ||
1526	(mask_b != 0x0000ff))
1527	return;
1528	lookup = (uint32_t *) malloc (sizeof (uint32_t)*(256+256+256));
1529	lookup_r = lookup;
1530	lookup_g = lookup+256;
1531	lookup_b = lookup+256+256;
1532	sh_r = 16;
1533	sh_g = 8;
1534	sh_b = 0;
1535	break;
1536	default:
1537	return; /* we do not support this color depth */
1538	}
1539		1206
1540	/* prepare limits for color transformation (each channel is handled separately) */	1207	/* prepare limits for color transformation (each channel is handled separately) */
1541	if (shade > 100)	1208	if (shade > 100)
1542	{	1209	{
1543	shade = 200 - shade;
1544
1545	high.r = c.r * shade / 100;
1546	high.g = c.g * shade / 100;
1547	high.b = c.b * shade / 100;
1548
1549	low.r = 65535 * (100 - shade) / 100;	1210	c.r = c.r * (200 - shade) / 100;
1550	low.g = 65535 * (100 - shade) / 100;	1211	c.g = c.g * (200 - shade) / 100;
1551	low.b = 65535 * (100 - shade) / 100;	1212	c.b = c.b * (200 - shade) / 100;
		1213
		1214	low = 0xffff * (shade - 100) / 100;
1552	}	1215	}
1553	else	1216	else
1554	{	1217	{
1555	high.r = c.r * shade / 100;	1218	c.r = c.r * shade / 100;
1556	high.g = c.g * shade / 100;	1219	c.g = c.g * shade / 100;
1557	high.b = c.b * shade / 100;	1220	c.b = c.b * shade / 100;
1558		1221
1559	low.r = low.g = low.b = 0;	1222	low = 0;
1560	}	1223	}
1561		1224
1562	/* fill our lookup tables */	1225	/* fill our lookup tables */
1563	for (i = 0; i <= mask_r>>sh_r; i++)	1226	fill_lut (lookup_r, mask_r, sh_r, low, c.r);
1564	{	1227	fill_lut (lookup_g, mask_g, sh_g, low, c.g);
1565	uint32_t tmp;	1228	fill_lut (lookup_b, mask_b, sh_b, low, c.b);
1566	tmp = i * high.r;
1567	tmp += (mask_r>>sh_r) * low.r;
1568	lookup_r[i] = (tmp/65535)<<sh_r;
1569	}
1570	for (i = 0; i <= mask_g>>sh_g; i++)
1571	{
1572	uint32_t tmp;
1573	tmp = i * high.g;
1574	tmp += (mask_g>>sh_g) * low.g;
1575	lookup_g[i] = (tmp/65535)<<sh_g;
1576	}
1577	for (i = 0; i <= mask_b>>sh_b; i++)
1578	{
1579	uint32_t tmp;
1580	tmp = i * high.b;
1581	tmp += (mask_b>>sh_b) * low.b;
1582	lookup_b[i] = (tmp/65535)<<sh_b;
1583	}
1584		1229
1585	/* apply table to input image (replacing colors by newly calculated ones) */	1230	/* apply table to input image (replacing colors by newly calculated ones) */
1586	if (ximage->bits_per_pixel == 32	1231	if (ximage->bits_per_pixel == 32
1587	&& (ximage->depth == 24 || ximage->depth == 32)
1588	&& ximage->byte_order == host_byte_order)	1232	&& ximage->byte_order == host_byte_order)
1589	{	1233	{
1590	uint32_t *p1, *pf, *p, *pl;	1234	char *line = ximage->data;
1591	p1 = (uint32_t *) ximage->data;
1592	pf = (uint32_t *) (ximage->data + ximage->height * ximage->bytes_per_line);
1593		1235
1594	while (p1 < pf)	1236	for (int y = 0; y < ximage->height; y++)
1595	{
1596	p = p1;
1597	pl = p1 + ximage->width;
1598	for (; p < pl; p++)
1599	{	1237	{
1600	*p = lookup_r[(*p & 0xff0000) >> 16] |	1238	uint32_t *p = (uint32_t *)line;
1601	lookup_g[(*p & 0x00ff00) >> 8] |	1239	for (int x = 0; x < ximage->width; x++)
1602	lookup_b[(*p & 0x0000ff)] |
1603	(*p & 0xff000000);
1604	}	1240	{
1605	p1 = (uint32_t *) ((char *) p1 + ximage->bytes_per_line);	1241	*p = lookup_r[(*p & mask_r) >> sh_r] |
		1242	lookup_g[(*p & mask_g) >> sh_g] |
		1243	lookup_b[(*p & mask_b) >> sh_b];
		1244	p++;
		1245	}
		1246	line += ximage->bytes_per_line;
1606	}	1247	}
1607	}	1248	}
1608	else	1249	else
1609	{	1250	{
1610	for (int y = 0; y < ximage->height; y++)	1251	for (int y = 0; y < ximage->height; y++)
…		…
1618	}	1259	}
1619	}	1260	}
1620		1261
1621	free (lookup);	1262	free (lookup);
1622	}	1263	}
1623	#endif /* defined(ENABLE_TRANSPARENCY) && !defined(HAVE_AFTERIMAGE) */	1264	#endif /* ENABLE_TRANSPARENCY */

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