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Comparing rxvt-unicode/src/background.C (file contents):
Revision 1.147 by root, Mon Feb 21 07:40:59 2011 UTC vs.
Revision 1.218 by sf-exg, Mon May 21 12:29:22 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	* tile Tile image. Scaling/position modifiers above will affect
52	* the tile size and origin.
53	* propscale When scaling, scale proportionally. That is, maintain the
54	* proper aspect ratio for the image. Any portion of the
55	* background not covered by the image is filled with the
56	* current background color.
57	* hscale Scale horizontally, tile vertically ?
58	* vscale Tile horizontally, scale vertically ?
59	* scale Scale both up and down
60	* auto Same as 100x100+50+50
61	*/
62		40
63	#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
64	void	60	void
65	rxvt_term::bg_destroy ()	61	rxvt_term::bg_destroy ()
66	{	62	{
67	#ifdef HAVE_AFTERIMAGE
68	if (original_asim)
69	safe_asimage_destroy (original_asim);
70	if (asv)
71	destroy_asvisual (asv, 0);
72	if (asimman)
73	destroy_image_manager (asimman, 0);
74	#endif
75
76	#ifdef HAVE_PIXBUF
77	if (pixbuf)
78	g_object_unref (pixbuf);
79	#endif
80
81	if (bg_pixmap)	63	if (bg_pixmap)
82	XFreePixmap (dpy, bg_pixmap);	64	XFreePixmap (dpy, bg_pixmap);
83	}	65	}
84		66
85	bool	67	bool
…		…
103	if (bg_flags & BG_IS_TRANSPARENT)	85	if (bg_flags & BG_IS_TRANSPARENT)
104	return true;	86	return true;
105	# endif	87	# endif
106		88
107	# ifdef BG_IMAGE_FROM_FILE	89	# ifdef BG_IMAGE_FROM_FILE
108	if (bg_flags & BG_IS_FROM_FILE)	90	if (bg_image.flags & IM_IS_SET)
109	{	91	{
110	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)
111	return true;	95	return true;
112	}	96	}
113	# endif	97	# endif
114		98
115	return false;	99	return false;
…		…
122	if (bg_flags & BG_IS_TRANSPARENT)	106	if (bg_flags & BG_IS_TRANSPARENT)
123	return true;	107	return true;
124	# endif	108	# endif
125		109
126	# ifdef BG_IMAGE_FROM_FILE	110	# ifdef BG_IMAGE_FROM_FILE
127	if (bg_flags & BG_IS_FROM_FILE)	111	if (bg_image.flags & IM_IS_SET)
128	{	112	{
129	if (bg_flags & BG_ROOT_ALIGN)	113	if (bg_image.flags & IM_ROOT_ALIGN)
130	return true;	114	return true;
131	}	115	}
132	# endif	116	# endif
133		117
134	return false;	118	return false;
135	}	119	}
136		120
137	# ifdef BG_IMAGE_FROM_FILE	121	# ifdef BG_IMAGE_FROM_FILE
138	static inline bool
139	check_set_scale_value (int geom_flags, int flag, unsigned int &scale, unsigned int new_value)
140	{
141	if (geom_flags & flag)
142	{
143	if (new_value > 1000)
144	new_value = 1000;
145	if (new_value != scale)
146	{
147	scale = new_value;
148	return true;
149	}
150	}
151	return false;
152	}
153
154	static inline bool
155	check_set_align_value (int geom_flags, int flag, int &align, int new_value)
156	{
157	if (geom_flags & flag)
158	{
159	if (new_value < -100)
160	new_value = -100;
161	else if (new_value > 200)
162	new_value = 200;
163	if (new_value != align)
164	{
165	align = new_value;
166	return true;
167	}
168	}
169	return false;
170	}
171
172	static inline int	122	static inline int
173	make_align_position (int align, int window_size, int image_size)	123	make_align_position (int align, int window_size, int image_size)
174	{	124	{
175	int diff = window_size - image_size;
176	int smaller = min (image_size, window_size);
177
178	if (align >= 0 && align <= 100)	125	if (align >= 0 && align <= 100)
179	return diff * align / 100;	126	return lerp (0, window_size - image_size, align);
180	else if (align > 100 && align <= 200)	127	else if (align > 100)
181	return ((align - 100) * smaller / 100) + window_size - smaller;	128	return lerp (window_size - image_size, window_size, align - 100);
182	else if (align >= -100 && align < 0)	129	else
183	return ((align + 100) * smaller / 100) - image_size;	130	return lerp (-image_size, 0, align + 100);
184	return 0;
185	}	131	}
186		132
187	static inline int	133	static inline int
188	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)
189	{	135	{
…		…
195	src_pos = -pos;	141	src_pos = -pos;
196	dst_pos = 0;	142	dst_pos = 0;
197	dst_size += pos;	143	dst_size += pos;
198	}	144	}
199		145
200	if (dst_pos + dst_size > target_size)
201	dst_size = target_size - dst_pos;	146	min_it (dst_size, target_size - dst_pos);
202	return src_pos;	147	return src_pos;
203	}	148	}
204		149
205	bool	150	bool
206	rxvt_term::bg_set_geometry (const char *geom, bool update)	151	rxvt_image::set_geometry (const char *geom, bool update)
207	{	152	{
208	bool changed = false;	153	bool changed = false;
209	int geom_flags = 0;	154	int geom_flags = 0;
210	int x = 0, y = 0;	155	int x = h_align;
		156	int y = v_align;
211	unsigned int w = 0, h = 0;	157	unsigned int w = h_scale;
212	unsigned int n;	158	unsigned int h = v_scale;
213	unsigned long new_flags = (bg_flags & (~BG_GEOMETRY_FLAGS));	159	unsigned long new_flags = 0;
214	const char *ops;
215		160
216	if (geom == NULL)	161	if (geom == NULL)
217	return false;	162	return false;
218		163
219	char str[256];	164	if (geom[0])
220
221	ops = strchr (geom, ':');
222	if (ops == NULL)
223	n = strlen (geom);
224	else
225	n = ops - geom;
226
227	if (n >= sizeof (str))
228	return false;
229
230	memcpy (str, geom, n);
231	str[n] = '\0';
232	rxvt_strtrim (str);
233
234	if (str[0])
235	{	165	{
236	/* we have geometry string - let's handle it prior to applying ops */	166	char **arr = rxvt_strsplit (':', geom);
		167
		168	for (int i = 0; arr[i]; i++)
		169	{
		170	if (!strcasecmp (arr[i], "style=tiled"))
		171	{
		172	new_flags = IM_TILE;
		173	w = h = noScale;
		174	x = y = 0;
		175	geom_flags = WidthValue|HeightValue|XValue|YValue;
		176	}
		177	else if (!strcasecmp (arr[i], "style=aspect-stretched"))
		178	{
		179	new_flags = IM_KEEP_ASPECT;
		180	w = h = windowScale;
		181	x = y = centerAlign;
		182	geom_flags = WidthValue|HeightValue|XValue|YValue;
		183	}
		184	else if (!strcasecmp (arr[i], "style=stretched"))
		185	{
		186	new_flags = 0;
		187	w = h = windowScale;
		188	geom_flags = WidthValue|HeightValue;
		189	}
		190	else if (!strcasecmp (arr[i], "style=centered"))
		191	{
		192	new_flags = 0;
		193	w = h = noScale;
		194	x = y = centerAlign;
		195	geom_flags = WidthValue|HeightValue|XValue|YValue;
		196	}
		197	else if (!strcasecmp (arr[i], "style=root-tiled"))
		198	{
		199	new_flags = IM_TILE|IM_ROOT_ALIGN;
		200	w = h = noScale;
		201	geom_flags = WidthValue|HeightValue;
		202	}
		203	else if (!strcasecmp (arr[i], "op=tile"))
		204	new_flags |= IM_TILE;
		205	else if (!strcasecmp (arr[i], "op=keep-aspect"))
		206	new_flags |= IM_KEEP_ASPECT;
		207	else if (!strcasecmp (arr[i], "op=root-align"))
		208	new_flags |= IM_ROOT_ALIGN;
		209
		210	// deprecated
		211	else if (!strcasecmp (arr[i], "tile"))
		212	{
		213	new_flags |= IM_TILE;
		214	w = h = noScale;
		215	geom_flags |= WidthValue|HeightValue;
		216	}
		217	else if (!strcasecmp (arr[i], "propscale"))
		218	{
		219	new_flags |= IM_KEEP_ASPECT;
		220	w = h = windowScale;
		221	geom_flags |= WidthValue|HeightValue;
		222	}
		223	else if (!strcasecmp (arr[i], "hscale"))
		224	{
		225	new_flags |= IM_TILE;
		226	w = windowScale;
		227	h = noScale;
		228	geom_flags |= WidthValue|HeightValue;
		229	}
		230	else if (!strcasecmp (arr[i], "vscale"))
		231	{
		232	new_flags |= IM_TILE;
		233	h = windowScale;
		234	w = noScale;
		235	geom_flags |= WidthValue|HeightValue;
		236	}
		237	else if (!strcasecmp (arr[i], "scale"))
		238	{
		239	w = h = windowScale;
		240	geom_flags |= WidthValue|HeightValue;
		241	}
		242	else if (!strcasecmp (arr[i], "auto"))
		243	{
		244	w = h = windowScale;
		245	x = y = centerAlign;
		246	geom_flags |= WidthValue|HeightValue|XValue|YValue;
		247	}
		248	else if (!strcasecmp (arr[i], "root"))
		249	{
		250	new_flags |= IM_TILE|IM_ROOT_ALIGN;
		251	w = h = noScale;
		252	geom_flags |= WidthValue|HeightValue;
		253	}
		254
		255	else
237	geom_flags = XParseGeometry (str, &x, &y, &w, &h);	256	geom_flags |= XParseGeometry (arr[i], &x, &y, &w, &h);
238	} /* done parsing geometry string */	257	} /* done parsing ops */
		258
		259	rxvt_free_strsplit (arr);
		260	}
		261
		262	new_flags |= flags & ~IM_GEOMETRY_FLAGS;
239		263
240	if (!update)	264	if (!update)
241	{	265	{
242	if (!(geom_flags & XValue))	266	if (!(geom_flags & XValue))
243	x = y = defaultAlign;	267	x = y = defaultAlign;
…		…
248	w = h = defaultScale;	272	w = h = defaultScale;
249	else if (!(geom_flags & HeightValue))	273	else if (!(geom_flags & HeightValue))
250	h = w;	274	h = w;
251	else if (!(geom_flags & WidthValue))	275	else if (!(geom_flags & WidthValue))
252	w = h;	276	w = h;
253
254	geom_flags |= WidthValue|HeightValue|XValue|YValue;
255	}
256
257	if (ops)
258	{	277	}
259	char **arr = rxvt_strsplit (':', ops + 1);
260		278
261	for (int i = 0; arr[i]; i++)	279	clamp_it (x, -100, 200);
262	{	280	clamp_it (y, -100, 200);
263	if (!strcasecmp (arr[i], "tile"))
264	{
265	w = h = noScale;
266	geom_flags |= WidthValue|HeightValue;
267	}
268	else if (!strcasecmp (arr[i], "propscale"))
269	{
270	new_flags |= BG_PROP_SCALE;
271	}
272	else if (!strcasecmp (arr[i], "hscale"))
273	{
274	if (w == 0) w = windowScale;
275		281
276	h = noScale;	282	if (flags != new_flags
277	geom_flags |= WidthValue|HeightValue;	283	|| h_scale != w
278	}	284	|| v_scale != h
279	else if (!strcasecmp (arr[i], "vscale"))	285	|| h_align != x
280	{	286	|| v_align != y)
281	if (h == 0) h = windowScale;
282
283	w = noScale;
284	geom_flags |= WidthValue|HeightValue;
285	}
286	else if (!strcasecmp (arr[i], "scale"))
287	{
288	if (h == 0) h = windowScale;
289	if (w == 0) w = windowScale;
290
291	geom_flags |= WidthValue|HeightValue;
292	}
293	else if (!strcasecmp (arr[i], "auto"))
294	{
295	w = h = windowScale;
296	x = y = centerAlign;
297	geom_flags |= WidthValue|HeightValue|XValue|YValue;
298	}
299	else if (!strcasecmp (arr[i], "root"))
300	{
301	new_flags |= BG_ROOT_ALIGN;
302	w = h = noScale;
303	geom_flags |= WidthValue|HeightValue;
304	}
305	} /* done parsing ops */
306
307	rxvt_free_strsplit (arr);
308	}	287	{
309
310	if (check_set_scale_value (geom_flags, WidthValue, h_scale, w)) changed = true;
311	if (check_set_scale_value (geom_flags, HeightValue, v_scale, h)) changed = true;
312	if (check_set_align_value (geom_flags, XValue, h_align, x)) changed = true;
313	if (check_set_align_value (geom_flags, YValue, v_align, y)) changed = true;
314
315	if (new_flags != bg_flags)
316	{
317	bg_flags = new_flags;	288	flags = new_flags;
		289	h_scale = w;
		290	v_scale = h;
		291	h_align = x;
		292	v_align = y;
318	changed = true;	293	changed = true;
319	}	294	}
320		295
		296	if (!(flags & IM_TILE)
		297	|| h_scale || v_scale
		298	|| (!(flags & IM_ROOT_ALIGN) && (h_align || v_align)))
		299	flags |= IM_IS_SIZE_SENSITIVE;
		300	else
		301	flags &= ~IM_IS_SIZE_SENSITIVE;
		302
321	return changed;	303	return changed;
322	}	304	}
323		305
324	void	306	void
325	rxvt_term::get_image_geometry (int image_width, int image_height, int &w, int &h, int &x, int &y)	307	rxvt_term::get_image_geometry (rxvt_image &image, int &w, int &h, int &x, int &y)
326	{	308	{
		309	int image_width = image.width ();
		310	int image_height = image.height ();
327	int target_width = szHint.width;	311	int target_width = szHint.width;
328	int target_height = szHint.height;	312	int target_height = szHint.height;
		313	int h_scale = min (image.h_scale, 32767 * 100 / target_width);
		314	int v_scale = min (image.v_scale, 32767 * 100 / target_height);
329		315
330	if (bg_flags & BG_PROP_SCALE)	316	w = h_scale * target_width / 100;
		317	h = v_scale * target_height / 100;
		318
		319	if (image.flags & IM_KEEP_ASPECT)
331	{	320	{
332	float scale = (float)target_width / image_width;	321	float scale = (float)w / image_width;
333	min_it (scale, (float)target_height / image_height);	322	min_it (scale, (float)h / image_height);
334	w = image_width * scale + 0.5;	323	w = image_width * scale + 0.5;
335	h = image_height * scale + 0.5;	324	h = image_height * scale + 0.5;
336	}	325	}
337	else
338	{
339	w = h_scale * target_width / 100;
340	h = v_scale * target_height / 100;
341	}
342		326
343	if (!w) w = image_width;	327	if (!w) w = image_width;
344	if (!h) h = image_height;	328	if (!h) h = image_height;
345		329
346	if (bg_flags & BG_ROOT_ALIGN)	330	if (image.flags & IM_ROOT_ALIGN)
347	{	331	{
348	x = -target_x;	332	x = -target_x;
349	y = -target_y;	333	y = -target_y;
350	}	334	}
351	else	335	else
352	{	336	{
353	x = make_align_position (h_align, target_width, w);	337	x = make_align_position (image.h_align, target_width, w);
354	y = make_align_position (v_align, target_height, h);	338	y = make_align_position (image.v_align, target_height, h);
355	}
356
357	bg_flags &= ~BG_IS_SIZE_SENSITIVE;
358	if ((bg_flags & BG_PROP_SCALE) || h_scale || v_scale
359	|| (!(bg_flags & BG_ROOT_ALIGN) && (h_align || v_align))
360	|| w > target_width || h > target_height)
361	bg_flags |= BG_IS_SIZE_SENSITIVE;
362	}
363
364	# ifdef HAVE_AFTERIMAGE
365	bool
366	rxvt_term::render_image (unsigned long tr_flags)
367	{
368	init_asv ();
369
370	ASImage *background = NULL;
371	ARGB32 background_tint = TINT_LEAVE_SAME;
372
373	# ifdef ENABLE_TRANSPARENCY
374	if (tr_flags)
375	background = pixmap2ximage (asv, bg_pixmap, 0, 0, bg_pmap_width, bg_pmap_height, AllPlanes, 100);
376
377	if (tr_flags & BG_NEEDS_TINT)
378	{	339	}
379	ShadingInfo as_shade;	340	}
380	as_shade.shading = shade;
381		341
382	rgba c (rgba::MAX_CC,rgba::MAX_CC,rgba::MAX_CC);	342	# ifdef HAVE_PIXBUF
383	if (bg_flags & BG_TINT_SET)	343	bool
384	tint.get (c);	344	rxvt_term::pixbuf_to_pixmap (GdkPixbuf *pixbuf, Pixmap pixmap, GC gc,
385	as_shade.tintColor.red = c.r;	345	int src_x, int src_y, int dst_x, int dst_y,
386	as_shade.tintColor.green = c.g;	346	unsigned int width, unsigned int height, bool argb)
387	as_shade.tintColor.blue = c.b;	347	{
		348	XImage *ximage;
		349	char *line;
		350	int width_r, width_g, width_b, width_a;
		351	int sh_r, sh_g, sh_b, sh_a;
		352	uint32_t red_mask, green_mask, blue_mask, alpha_mask;
		353	int rowstride;
		354	int channels;
		355	unsigned char *row;
388		356
389	background_tint = shading2tint32 (&as_shade);	357	if (visual->c_class != TrueColor)
		358	return false;
		359
		360	if (argb)
390	}	361	{
391		362	red_mask = 0xff << 16;
392	if ((tr_flags & BG_NEEDS_BLUR) && background != NULL)	363	green_mask = 0xff << 8;
		364	blue_mask = 0xff;
		365	alpha_mask = 0xff << 24;
393	{	366	}
394	ASImage *tmp = blur_asimage_gauss (asv, background, h_blurRadius, v_blurRadius, 0xFFFFFFFF,	367	else
395	(original_asim == NULL || tint == TINT_LEAVE_SAME) ? ASA_XImage : ASA_ASImage,	368	{
396	100, ASIMAGE_QUALITY_DEFAULT);	369	red_mask = visual->red_mask;
		370	green_mask = visual->green_mask;
		371	blue_mask = visual->blue_mask;
		372	#if XRENDER
		373	XRenderPictFormat *format = XRenderFindVisualFormat (dpy, visual);
397	if (tmp)	374	if (format)
		375	alpha_mask = (uint32_t)format->direct.alphaMask << format->direct.alpha;
		376	else
		377	#endif
		378	alpha_mask = 0;
		379	}
		380
		381	width_r = ecb_popcount32 (red_mask);
		382	width_g = ecb_popcount32 (green_mask);
		383	width_b = ecb_popcount32 (blue_mask);
		384	width_a = ecb_popcount32 (alpha_mask);
		385
		386	if (width_r > 8 || width_g > 8 || width_b > 8 || width_a > 8)
		387	return false;
		388
		389	sh_r = ecb_ctz32 (red_mask);
		390	sh_g = ecb_ctz32 (green_mask);
		391	sh_b = ecb_ctz32 (blue_mask);
		392	sh_a = ecb_ctz32 (alpha_mask);
		393
		394	if (width > 32767 || height > 32767)
		395	return false;
		396
		397	ximage = XCreateImage (dpy, visual, argb ? 32 : depth, ZPixmap, 0, 0,
		398	width, height, 32, 0);
		399	if (!ximage)
		400	return false;
		401
		402	if (height > INT_MAX / ximage->bytes_per_line
		403	|| !(ximage->data = (char *)malloc (height * ximage->bytes_per_line)))
		404	{
		405	XDestroyImage (ximage);
		406	return false;
		407	}
		408
		409	ximage->byte_order = ecb_big_endian () ? MSBFirst : LSBFirst;
		410
		411	rowstride = gdk_pixbuf_get_rowstride (pixbuf);
		412	channels = gdk_pixbuf_get_n_channels (pixbuf);
		413	row = gdk_pixbuf_get_pixels (pixbuf) + src_y * rowstride + src_x * channels;
		414	line = ximage->data;
		415
		416	rgba c (0, 0, 0);
		417
		418	if (channels == 4 && alpha_mask == 0)
		419	{
		420	pix_colors[Color_bg].get (c);
		421	c.r >>= 8;
		422	c.g >>= 8;
		423	c.b >>= 8;
		424	}
		425
		426	for (int y = 0; y < height; y++)
		427	{
		428	for (int x = 0; x < width; x++)
		429	{
		430	unsigned char *pixel = row + x * channels;
		431	uint32_t value;
		432	unsigned char r, g, b, a;
		433
		434	if (channels == 4)
398	{	435	{
399	destroy_asimage (&background);	436	a = pixel[3];
400	background = tmp;	437	r = (pixel[0] * a + c.r * (0xff - a)) / 0xff;
		438	g = (pixel[1] * a + c.g * (0xff - a)) / 0xff;
		439	b = (pixel[2] * a + c.b * (0xff - a)) / 0xff;
		440	}
		441	else
		442	{
		443	a = 0xff;
		444	r = pixel[0];
		445	g = pixel[1];
		446	b = pixel[2];
		447	}
		448
		449	value = ((r >> (8 - width_r)) << sh_r)
		450	| ((g >> (8 - width_g)) << sh_g)
		451	| ((b >> (8 - width_b)) << sh_b)
		452	| ((a >> (8 - width_a)) << sh_a);
		453
		454	if (ximage->bits_per_pixel == 32)
		455	((uint32_t *)line)[x] = value;
		456	else
		457	XPutPixel (ximage, x, y, value);
401	}	458	}
402	}
403	# endif
404		459
405	ASImage *result = 0;	460	row += rowstride;
		461	line += ximage->bytes_per_line;
		462	}
		463
		464	XPutImage (dpy, pixmap, gc, ximage, 0, 0, dst_x, dst_y, width, height);
		465	XDestroyImage (ximage);
		466	return true;
		467	}
		468
		469	bool
		470	rxvt_term::render_image (rxvt_image &image)
		471	{
		472	GdkPixbuf *pixbuf = image.pixbuf;
		473	if (!pixbuf)
		474	return false;
		475
		476	bool need_blend = bg_flags & BG_IS_VALID;
		477
		478	if (need_blend
		479	&& !(bg_flags & BG_HAS_RENDER))
		480	return false;
		481
		482	GdkPixbuf *result;
		483
		484	int image_width = gdk_pixbuf_get_width (pixbuf);
		485	int image_height = gdk_pixbuf_get_height (pixbuf);
406		486
407	int target_width = szHint.width;	487	int target_width = szHint.width;
408	int target_height = szHint.height;	488	int target_height = szHint.height;
409	int new_pmap_width = target_width;	489	int new_pmap_width = target_width;
410	int new_pmap_height = target_height;	490	int new_pmap_height = target_height;
…		…
412	int x = 0;	492	int x = 0;
413	int y = 0;	493	int y = 0;
414	int w = 0;	494	int w = 0;
415	int h = 0;	495	int h = 0;
416		496
417	if (original_asim)	497	get_image_geometry (image, w, h, x, y);
418	get_image_geometry (original_asim->width, original_asim->height, w, h, x, y);
419		498
420	if (!original_asim	499	if (!(image.flags & IM_ROOT_ALIGN)
421	|| (!(bg_flags & BG_ROOT_ALIGN)
422	&& (x >= target_width	500	&& (x >= target_width
423	|| y >= target_height	501	|| y >= target_height
424	|| (x + w <= 0)	502	|| x + w <= 0
425	|| (y + h <= 0))))	503	|| y + h <= 0))
		504	return false;
		505
		506	result = pixbuf;
		507
		508	if (w != image_width
		509	|| h != image_height)
		510	{
		511	result = gdk_pixbuf_scale_simple (pixbuf,
		512	w, h,
		513	GDK_INTERP_BILINEAR);
426	{	514	}
427	if (background)
428	{
429	new_pmap_width = background->width;
430	new_pmap_height = background->height;
431	result = background;
432		515
433	if (background_tint != TINT_LEAVE_SAME)	516	if (!result)
		517	return false;
		518
		519	bool ret = false;
		520
		521	XGCValues gcv;
		522	GC gc;
		523	Pixmap tmp_pixmap;
		524
		525	image_width = gdk_pixbuf_get_width (result);
		526	image_height = gdk_pixbuf_get_height (result);
		527
		528	if (need_blend)
		529	tmp_pixmap = XCreatePixmap (dpy, vt, new_pmap_width, new_pmap_height, 32);
		530	else
		531	{
		532	if (image.flags & IM_TILE)
434	{	533	{
435	ASImage *tmp = tile_asimage (asv, background, 0, 0,	534	new_pmap_width = min (image_width, target_width);
436	target_width, target_height, background_tint,	535	new_pmap_height = min (image_height, target_height);
437	ASA_XImage, 100, ASIMAGE_QUALITY_DEFAULT);
438	if (tmp)
439	result = tmp;
440	}
441	}	536	}
442	else
443	new_pmap_width = new_pmap_height = 0;
444	}
445	else
446	{
447	result = original_asim;
448		537
449	if ((w != original_asim->width)
450	|| (h != original_asim->height))
451	{
452	result = scale_asimage (asv, original_asim,
453	w, h,
454	background ? ASA_ASImage : ASA_XImage,
455	100, ASIMAGE_QUALITY_DEFAULT);
456	}
457
458	if (background == NULL)
459	{
460	if (h_scale == 0 || v_scale == 0)
461	{
462	/* if tiling - pixmap has to be sized exactly as the image,
463	but there is no need to make it bigger than the window! */
464	new_pmap_width = min (result->width, target_width);
465	new_pmap_height = min (result->height, target_height);
466
467	/* we also need to tile our image in both directions */
468	ASImage *tmp = tile_asimage (asv, result,
469	(int)result->width - x,
470	(int)result->height - y,
471	new_pmap_width,
472	new_pmap_height,
473	TINT_LEAVE_SAME, ASA_XImage,
474	100, ASIMAGE_QUALITY_DEFAULT);
475	if (tmp)
476	{
477	if (result != original_asim)
478	destroy_asimage (&result);
479
480	result = tmp;
481	}
482	}
483	}
484	else
485	{
486	/* if blending background and image - pixmap has to be sized same as target window */
487	ASImageLayer *layers = create_image_layers (2);
488
489	layers[0].im = background;
490	layers[0].clip_width = target_width;
491	layers[0].clip_height = target_height;
492	layers[0].tint = background_tint;
493	layers[1].im = result;
494
495	if (h_scale == 0 || v_scale == 0)
496	{
497	/* tile horizontally */
498	while (x > 0) x -= (int)result->width;
499	layers[1].dst_x = x;
500	layers[1].clip_width = result->width+target_width;
501	}
502	else
503	{
504	/* clip horizontally */
505	layers[1].dst_x = x;
506	layers[1].clip_width = result->width;
507	}
508
509	if (h_scale == 0 || v_scale == 0)
510	{
511	while (y > 0) y -= (int)result->height;
512	layers[1].dst_y = y;
513	layers[1].clip_height = result->height + target_height;
514	}
515	else
516	{
517	layers[1].dst_y = y;
518	layers[1].clip_height = result->height;
519	}
520
521	if (rs[Rs_blendtype])
522	{
523	layers[1].merge_scanlines = blend_scanlines_name2func (rs[Rs_blendtype]);
524	if (layers[1].merge_scanlines == NULL)
525	layers[1].merge_scanlines = alphablend_scanlines;
526	}
527
528	ASImage *tmp = merge_layers (asv, layers, 2, target_width, target_height,
529	ASA_XImage, 0, ASIMAGE_QUALITY_DEFAULT);
530
531	if (tmp)
532	{
533	if (result != original_asim)
534	destroy_asimage (&result);
535
536	result = tmp;
537	}
538
539	free (layers);
540	}
541	}
542
543	bool ret = false;
544
545	if (result)
546	{
547	XGCValues gcv;
548	GC gc;
549
550	/* create Pixmap */
551	if (bg_pixmap == None	538	if (bg_pixmap == None
552	|| bg_pmap_width != new_pmap_width	539	|| bg_pmap_width != new_pmap_width
553	|| bg_pmap_height != new_pmap_height)	540	|| bg_pmap_height != new_pmap_height)
554	{	541	{
555	if (bg_pixmap)	542	if (bg_pixmap)
556	XFreePixmap (dpy, bg_pixmap);	543	XFreePixmap (dpy, bg_pixmap);
557	bg_pixmap = XCreatePixmap (dpy, vt, new_pmap_width, new_pmap_height, depth);	544	bg_pixmap = XCreatePixmap (dpy, vt, new_pmap_width, new_pmap_height, depth);
558	bg_pmap_width = new_pmap_width;	545	bg_pmap_width = new_pmap_width;
559	bg_pmap_height = new_pmap_height;	546	bg_pmap_height = new_pmap_height;
560	}	547	}
561	/* fill with background color (if result's not completely overlapping it) */	548
		549	tmp_pixmap = bg_pixmap;
		550	}
		551
562	gcv.foreground = pix_colors[Color_bg];	552	gcv.foreground = pix_colors[Color_bg];
563	gc = XCreateGC (dpy, vt, GCForeground, &gcv);	553	gc = XCreateGC (dpy, tmp_pixmap, GCForeground, &gcv);
564		554
565	int src_x = 0, src_y = 0, dst_x = 0, dst_y = 0;	555	if (gc)
566	int dst_width = result->width, dst_height = result->height;	556	{
567	if (background == NULL)	557	if (image.flags & IM_TILE)
568	{
569	if (!(h_scale == 0 || v_scale == 0))
570	{
571	src_x = make_clip_rectangle (x, result->width , new_pmap_width , dst_x, dst_width );
572	src_y = make_clip_rectangle (y, result->height, new_pmap_height, dst_y, dst_height);
573	}
574
575	if (dst_x > 0 || dst_y > 0
576	|| dst_x + dst_width < new_pmap_width
577	|| dst_y + dst_height < new_pmap_height)
578	XFillRectangle (dpy, bg_pixmap, gc, 0, 0, new_pmap_width, new_pmap_height);
579	}	558	{
580
581	/* put result on pixmap */
582	if (dst_x < new_pmap_width && dst_y < new_pmap_height)
583	asimage2drawable (asv, bg_pixmap, result, gc, src_x, src_y, dst_x, dst_y, dst_width, dst_height, True);
584
585	if (result != background && result != original_asim)
586	destroy_asimage (&result);
587
588	XFreeGC (dpy, gc);
589
590	ret = true;
591	}
592
593	if (background)
594	destroy_asimage (&background);
595
596	return ret;
597	}
598	# endif /* HAVE_AFTERIMAGE */
599
600	# ifdef HAVE_PIXBUF
601	bool
602	rxvt_term::pixbuf_to_pixmap (GdkPixbuf *pixbuf, Pixmap pixmap, GC gc,
603	int src_x, int src_y, int dst_x, int dst_y,
604	unsigned int width, unsigned int height)
605	{
606	XImage *ximage;
607	char *data, *line;
608	int bytes_per_pixel;
609	int width_r, width_g, width_b;
610	int sh_r, sh_g, sh_b;
611	int rowstride;
612	int channels;
613	unsigned char *row;
614
615	if (visual->c_class != TrueColor)
616	return false;
617
618	if (depth == 24 || depth == 32)
619	bytes_per_pixel = 4;
620	else if (depth == 15 || depth == 16)
621	bytes_per_pixel = 2;
622	else
623	return false;
624
625	width_r = rxvt_popcount (visual->red_mask);
626	width_g = rxvt_popcount (visual->green_mask);
627	width_b = rxvt_popcount (visual->blue_mask);
628
629	if (width_r > 8 || width_g > 8 || width_b > 8)
630	return false;
631
632	sh_r = rxvt_ctz (visual->red_mask);
633	sh_g = rxvt_ctz (visual->green_mask);
634	sh_b = rxvt_ctz (visual->blue_mask);
635
636	if (width > INT_MAX / height / bytes_per_pixel)
637	return false;
638
639	data = (char *)malloc (width * height * bytes_per_pixel);
640	if (!data)
641	return false;
642
643	ximage = XCreateImage (dpy, visual, depth, ZPixmap, 0, data,
644	width, height, bytes_per_pixel * 8, 0);
645	if (!ximage)
646	{
647	free (data);
648	return false;
649	}
650
651	ximage->byte_order = byteorder::big_endian () ? MSBFirst : LSBFirst;
652
653	rowstride = gdk_pixbuf_get_rowstride (pixbuf);
654	channels = gdk_pixbuf_get_n_channels (pixbuf);
655	row = gdk_pixbuf_get_pixels (pixbuf) + src_y * rowstride + src_x * channels;
656	line = data;
657
658	for (int y = 0; y < height; y++)
659	{
660	for (int x = 0; x < width; x++)
661	{
662	unsigned char *pixel = row + x * channels;
663	uint32_t value;
664
665	value = ((pixel[0] >> (8 - width_r)) << sh_r)
666	| ((pixel[1] >> (8 - width_g)) << sh_g)
667	| ((pixel[2] >> (8 - width_b)) << sh_b);
668
669	if (bytes_per_pixel == 4)
670	((uint32_t *)line)[x] = value;
671	else
672	((uint16_t *)line)[x] = value;
673	}
674
675	row += rowstride;
676	line += ximage->bytes_per_line;
677	}
678
679	XPutImage (dpy, pixmap, gc, ximage, 0, 0, dst_x, dst_y, width, height);
680	XDestroyImage (ximage);
681	return true;
682	}
683
684	bool
685	rxvt_term::render_image (unsigned long tr_flags)
686	{
687	if (!pixbuf)
688	return false;
689
690	if (tr_flags
691	&& !(bg_flags & BG_HAS_RENDER))
692	return false;
693
694	GdkPixbuf *result;
695
696	int image_width = gdk_pixbuf_get_width (pixbuf);
697	int image_height = gdk_pixbuf_get_height (pixbuf);
698
699	int target_width = szHint.width;
700	int target_height = szHint.height;
701	int new_pmap_width = target_width;
702	int new_pmap_height = target_height;
703
704	int x = 0;
705	int y = 0;
706	int w = 0;
707	int h = 0;
708
709	get_image_geometry (image_width, image_height, w, h, x, y);
710
711	if (!(bg_flags & BG_ROOT_ALIGN)
712	&& (x >= target_width
713	|| y >= target_height
714	|| (x + w <= 0)
715	|| (y + h <= 0)))
716	return false;
717
718	result = pixbuf;
719
720	if ((w != image_width)
721	|| (h != image_height))
722	{
723	result = gdk_pixbuf_scale_simple (pixbuf,
724	w, h,
725	GDK_INTERP_BILINEAR);
726	}
727
728	bool ret = false;
729
730	if (result)
731	{
732	XGCValues gcv;
733	GC gc;
734	Pixmap root_pmap;
735
736	image_width = gdk_pixbuf_get_width (result);
737	image_height = gdk_pixbuf_get_height (result);
738
739	if (tr_flags)
740	{
741	root_pmap = bg_pixmap;
742	bg_pixmap = None;
743	}
744	else
745	{
746	if (h_scale == 0 || v_scale == 0)
747	{
748	new_pmap_width = min (image_width, target_width);
749	new_pmap_height = min (image_height, target_height);
750	}
751	}
752
753	if (bg_pixmap == None
754	|| bg_pmap_width != new_pmap_width
755	|| bg_pmap_height != new_pmap_height)
756	{
757	if (bg_pixmap)
758	XFreePixmap (dpy, bg_pixmap);
759	bg_pixmap = XCreatePixmap (dpy, vt, new_pmap_width, new_pmap_height, depth);
760	bg_pmap_width = new_pmap_width;
761	bg_pmap_height = new_pmap_height;
762	}
763
764	gcv.foreground = pix_colors[Color_bg];
765	gc = XCreateGC (dpy, vt, GCForeground, &gcv);
766
767	if (h_scale == 0 || v_scale == 0)
768	{
769	Pixmap tile = XCreatePixmap (dpy, vt, image_width, image_height, depth);	559	Pixmap tile = XCreatePixmap (dpy, vt, image_width, image_height, need_blend ? 32 : depth);
770	pixbuf_to_pixmap (result, tile, gc,	560	pixbuf_to_pixmap (result, tile, gc,
771	0, 0,	561	0, 0,
772	0, 0,	562	0, 0,
773	image_width, image_height);	563	image_width, image_height, need_blend);
774		564
775	gcv.tile = tile;	565	gcv.tile = tile;
776	gcv.fill_style = FillTiled;	566	gcv.fill_style = FillTiled;
777	gcv.ts_x_origin = x;	567	gcv.ts_x_origin = x;
778	gcv.ts_y_origin = y;	568	gcv.ts_y_origin = y;
779	XChangeGC (dpy, gc, GCFillStyle | GCTile | GCTileStipXOrigin | GCTileStipYOrigin, &gcv);	569	XChangeGC (dpy, gc, GCFillStyle | GCTile | GCTileStipXOrigin | GCTileStipYOrigin, &gcv);
780		570
781	XFillRectangle (dpy, bg_pixmap, gc, 0, 0, new_pmap_width, new_pmap_height);	571	XFillRectangle (dpy, tmp_pixmap, gc, 0, 0, new_pmap_width, new_pmap_height);
782	XFreePixmap (dpy, tile);	572	XFreePixmap (dpy, tile);
783	}	573	}
784	else	574	else
785	{	575	{
786	int src_x, src_y, dst_x, dst_y;	576	int src_x, src_y, dst_x, dst_y;
…		…
790	src_y = make_clip_rectangle (y, image_height, new_pmap_height, dst_y, dst_height);	580	src_y = make_clip_rectangle (y, image_height, new_pmap_height, dst_y, dst_height);
791		581
792	if (dst_x > 0 || dst_y > 0	582	if (dst_x > 0 || dst_y > 0
793	|| dst_x + dst_width < new_pmap_width	583	|| dst_x + dst_width < new_pmap_width
794	|| dst_y + dst_height < new_pmap_height)	584	|| dst_y + dst_height < new_pmap_height)
795	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);
796		586
797	if (dst_x < new_pmap_width && dst_y < new_pmap_height)	587	if (dst_x < new_pmap_width && dst_y < new_pmap_height)
798	pixbuf_to_pixmap (result, bg_pixmap, gc,	588	pixbuf_to_pixmap (result, tmp_pixmap, gc,
799	src_x, src_y,	589	src_x, src_y,
800	dst_x, dst_y,	590	dst_x, dst_y,
801	dst_width, dst_height);	591	dst_width, dst_height, need_blend);
802	}	592	}
803		593
804	#if XRENDER	594	#if XRENDER
805	if (tr_flags)	595	if (need_blend)
806	{	596	{
807	XRenderPictureAttributes pa;	597	XRenderPictFormat *argb_format = XRenderFindStandardFormat (dpy, PictStandardARGB32);
808
809	XRenderPictFormat *src_format = XRenderFindVisualFormat (dpy, visual);	598	XRenderPictFormat *format = XRenderFindVisualFormat (dpy, visual);
		599
810	Picture src = XRenderCreatePicture (dpy, root_pmap, src_format, 0, &pa);	600	Picture src = XRenderCreatePicture (dpy, tmp_pixmap, argb_format, 0, 0);
811		601
812	XRenderPictFormat *dst_format = XRenderFindVisualFormat (dpy, visual);
813	Picture dst = XRenderCreatePicture (dpy, bg_pixmap, dst_format, 0, &pa);	602	Picture dst = XRenderCreatePicture (dpy, bg_pixmap, format, 0, 0);
814		603
815	pa.repeat = True;	604	Picture mask = create_xrender_mask (dpy, vt, False, False);
816	Pixmap mask_pmap = XCreatePixmap (dpy, vt, 1, 1, 8);
817	XRenderPictFormat *mask_format = XRenderFindStandardFormat (dpy, PictStandardA8);
818	Picture mask = XRenderCreatePicture (dpy, mask_pmap, mask_format, CPRepeat, &pa);
819	XFreePixmap (dpy, mask_pmap);
820		605
821	if (src && dst && mask)
822	{
823	XRenderColor mask_c;	606	XRenderColor mask_c;
824		607
825	mask_c.alpha = 0x8000;	608	mask_c.alpha = 0x8000;
826	mask_c.red = 0;	609	mask_c.red =
827	mask_c.green = 0;	610	mask_c.green =
828	mask_c.blue = 0;	611	mask_c.blue = 0;
829	XRenderFillRectangle (dpy, PictOpSrc, mask, &mask_c, 0, 0, 1, 1);	612	XRenderFillRectangle (dpy, PictOpSrc, mask, &mask_c, 0, 0, 1, 1);
		613
830	XRenderComposite (dpy, PictOpOver, src, mask, dst, 0, 0, 0, 0, 0, 0, target_width, target_height);	614	XRenderComposite (dpy, PictOpOver, src, mask, dst, 0, 0, 0, 0, 0, 0, target_width, target_height);
831	}
832		615
833	XRenderFreePicture (dpy, src);	616	XRenderFreePicture (dpy, src);
834	XRenderFreePicture (dpy, dst);	617	XRenderFreePicture (dpy, dst);
835	XRenderFreePicture (dpy, mask);	618	XRenderFreePicture (dpy, mask);
836
837	XFreePixmap (dpy, root_pmap);
838	}	619	}
839	#endif	620	#endif
840		621
841	if (result != pixbuf)
842	g_object_unref (result);
843
844	XFreeGC (dpy, gc);	622	XFreeGC (dpy, gc);
845		623
846	ret = true;	624	ret = true;
847	}	625	}
848		626
		627	if (result != pixbuf)
		628	g_object_unref (result);
		629
		630	if (need_blend)
		631	XFreePixmap (dpy, tmp_pixmap);
		632
849	return ret;	633	return ret;
850	}	634	}
851	# endif /* HAVE_PIXBUF */	635	# endif /* HAVE_PIXBUF */
852		636
853	bool	637	bool
854	rxvt_term::bg_set_file (const char *file)	638	rxvt_image::set_file (const char *file)
855	{	639	{
856	if (!file || !*file)	640	if (!file || !*file)
857	return false;	641	return false;
858		642
		643	bool ret = false;
859	if (const char *p = strchr (file, ';'))	644	const char *p = strchr (file, ';');
		645
		646	if (p)
860	{	647	{
861	size_t len = p - file;	648	size_t len = p - file;
862	char *f = rxvt_temp_buf<char> (len + 1);	649	char *f = rxvt_temp_buf<char> (len + 1);
863	memcpy (f, file, len);	650	memcpy (f, file, len);
864	f[len] = '\0';	651	f[len] = '\0';
865	file = f;	652	file = f;
866	}	653	}
867		654
868	# ifdef HAVE_AFTERIMAGE
869	if (!asimman)
870	asimman = create_generic_imageman (rs[Rs_path]);
871	ASImage *image = get_asimage (asimman, file, 0xFFFFFFFF, 100);
872	if (image)
873	{
874	if (original_asim)
875	safe_asimage_destroy (original_asim);
876	original_asim = image;
877	bg_flags |= BG_IS_FROM_FILE | BG_CLIENT_RENDER;
878	return true;
879	}
880	# endif
881
882	# ifdef HAVE_PIXBUF	655	# ifdef HAVE_PIXBUF
883	GdkPixbuf *image = gdk_pixbuf_new_from_file (file, NULL);	656	GdkPixbuf *image = gdk_pixbuf_new_from_file (file, NULL);
884	if (image)	657	if (image)
885	{	658	{
886	if (pixbuf)	659	if (pixbuf)
887	g_object_unref (pixbuf);	660	g_object_unref (pixbuf);
888	pixbuf = image;	661	pixbuf = image;
889	bg_flags |= BG_IS_FROM_FILE;
890	return true;	662	ret = true;
891	}	663	}
892	# endif	664	# endif
893		665
		666	if (ret)
		667	{
		668	flags = IM_IS_SET | IM_IS_SIZE_SENSITIVE;
		669	h_scale = v_scale = defaultScale;
		670	h_align = v_align = defaultAlign;
		671
		672	if (p)
		673	set_geometry (p + 1);
		674	}
		675
894	return false;	676	return ret;
895	}	677	}
896		678
897	# endif /* BG_IMAGE_FROM_FILE */	679	# endif /* BG_IMAGE_FROM_FILE */
898		680
899	# ifdef ENABLE_TRANSPARENCY	681	# ifdef ENABLE_TRANSPARENCY
900	bool
901	rxvt_term::bg_set_transparent ()
902	{
903	if (!(bg_flags & BG_IS_TRANSPARENT))
904	{
905	bg_flags |= BG_IS_TRANSPARENT;
906	return true;
907	}
908
909	return false;
910	}
911
912	bool	682	bool
913	rxvt_term::bg_set_blur (const char *geom)	683	rxvt_term::bg_set_blur (const char *geom)
914	{	684	{
915	bool changed = false;	685	bool changed = false;
916	unsigned int hr, vr;	686	unsigned int hr, vr;
…		…
935	{	705	{
936	changed = true;	706	changed = true;
937	v_blurRadius = vr;	707	v_blurRadius = vr;
938	}	708	}
939		709
940	if (v_blurRadius == 0 && h_blurRadius == 0)
941	bg_flags &= ~BG_NEEDS_BLUR;
942	else
943	bg_flags |= BG_NEEDS_BLUR;
944
945	return changed;	710	return changed;
946	}	711	}
947		712
948	void	713	bool
949	rxvt_term::set_tint_shade_flags ()	714	rxvt_term::bg_set_tint (rxvt_color &new_tint)
950	{	715	{
951	rgba c (rgba::MAX_CC,rgba::MAX_CC,rgba::MAX_CC);	716	if (!(bg_flags & BG_TINT_SET) || tint != new_tint)
952	bool has_shade = shade != 100;	717	{
953		718	tint = new_tint;
954	bg_flags &= ~BG_TINT_FLAGS;	719	bg_flags |= BG_TINT_SET;
955		720
956	if (bg_flags & BG_TINT_SET)	721	rgba c;
957	{
958	tint.get (c);	722	tint.get (c);
959	if (!has_shade
960	&& (c.r <= 0x00ff || c.r >= 0xff00)	723	if ((c.r <= 0x00ff || c.r >= 0xff00)
961	&& (c.g <= 0x00ff || c.g >= 0xff00)	724	&& (c.g <= 0x00ff || c.g >= 0xff00)
962	&& (c.b <= 0x00ff || c.b >= 0xff00))	725	&& (c.b <= 0x00ff || c.b >= 0xff00))
963	bg_flags |= BG_TINT_BITAND;	726	bg_flags |= BG_TINT_BITAND;
964	}	727	else
965
966	if (has_shade || (bg_flags & BG_TINT_SET))
967	bg_flags |= BG_NEEDS_TINT;
968	}
969
970	bool
971	rxvt_term::bg_set_tint (rxvt_color &new_tint)
972	{
973	if (!(bg_flags & BG_TINT_SET) || tint != new_tint)
974	{
975	tint = new_tint;
976	bg_flags |= BG_TINT_SET;	728	bg_flags &= ~BG_TINT_BITAND;
977	set_tint_shade_flags ();	729
978	return true;	730	return true;
979	}	731	}
980		732
981	return false;	733	return false;
982	}	734	}
983		735
984	bool	736	bool
985	rxvt_term::bg_set_shade (const char *shade_str)	737	rxvt_term::bg_set_shade (const char *shade_str)
986	{	738	{
987	int new_shade = (shade_str) ? atoi (shade_str) : 100;	739	int new_shade = atoi (shade_str);
988		740
989	clamp_it (new_shade, -100, 200);	741	clamp_it (new_shade, -100, 200);
990	if (new_shade < 0)	742	if (new_shade < 0)
991	new_shade = 200 - (100 + new_shade);	743	new_shade = 200 - (100 + new_shade);
992		744
993	if (new_shade != shade)	745	if (new_shade != shade)
994	{	746	{
995	shade = new_shade;	747	shade = new_shade;
996	set_tint_shade_flags ();
997	return true;	748	return true;
998	}	749	}
999		750
1000	return false;	751	return false;
1001	}	752	}
…		…
1022	params[i+2] = XDoubleToFixed (kernel[i] / sum);	773	params[i+2] = XDoubleToFixed (kernel[i] / sum);
1023	}	774	}
1024	#endif	775	#endif
1025		776
1026	bool	777	bool
1027	rxvt_term::blur_pixmap (Pixmap pixmap, Visual *visual, int width, int height)	778	rxvt_term::blur_pixmap (Pixmap pixmap, int width, int height)
1028	{	779	{
1029	bool ret = false;	780	bool ret = false;
1030	#if XRENDER	781	#if XRENDER
		782	if (!(bg_flags & BG_HAS_RENDER_CONV))
		783	return false;
		784
1031	int size = max (h_blurRadius, v_blurRadius) * 2 + 1;	785	int size = max (h_blurRadius, v_blurRadius) * 2 + 1;
1032	double *kernel = (double *)malloc (size * sizeof (double));	786	double *kernel = (double *)malloc (size * sizeof (double));
1033	XFixed *params = (XFixed *)malloc ((size + 2) * sizeof (XFixed));	787	XFixed *params = (XFixed *)malloc ((size + 2) * sizeof (XFixed));
1034		788
1035	XRenderPictureAttributes pa;	789	XRenderPictureAttributes pa;
1036	XRenderPictFormat *format = XRenderFindVisualFormat (dpy, visual);	790	XRenderPictFormat *format = XRenderFindVisualFormat (dpy, visual);
1037		791
		792	pa.repeat = RepeatPad;
1038	Picture src = XRenderCreatePicture (dpy, pixmap, format, 0, &pa);	793	Picture src = XRenderCreatePicture (dpy, pixmap, format, CPRepeat, &pa);
		794	Pixmap tmp = XCreatePixmap (dpy, pixmap, width, height, depth);
1039	Picture dst = XRenderCreatePicture (dpy, pixmap, format, 0, &pa);	795	Picture dst = XRenderCreatePicture (dpy, tmp, format, CPRepeat, &pa);
		796	XFreePixmap (dpy, tmp);
1040		797
1041	if (kernel && params && src && dst)	798	if (kernel && params)
1042	{	799	{
1043	if (h_blurRadius)
1044	{
1045	size = h_blurRadius * 2 + 1;	800	size = h_blurRadius * 2 + 1;
1046	get_gaussian_kernel (h_blurRadius, size, kernel, params);	801	get_gaussian_kernel (h_blurRadius, size, kernel, params);
1047		802
1048	XRenderSetPictureFilter (dpy, src, FilterConvolution, params, size+2);	803	XRenderSetPictureFilter (dpy, src, FilterConvolution, params, size+2);
1049	XRenderComposite (dpy,	804	XRenderComposite (dpy,
1050	PictOpSrc,	805	PictOpSrc,
1051	src,	806	src,
1052	None,	807	None,
1053	dst,	808	dst,
1054	0, 0,	809	0, 0,
1055	0, 0,	810	0, 0,
1056	0, 0,	811	0, 0,
1057	width, height);	812	width, height);
1058	}
1059		813
1060	if (v_blurRadius)	814	::swap (src, dst);
1061	{	815
1062	size = v_blurRadius * 2 + 1;	816	size = v_blurRadius * 2 + 1;
1063	get_gaussian_kernel (v_blurRadius, size, kernel, params);	817	get_gaussian_kernel (v_blurRadius, size, kernel, params);
1064	::swap (params[0], params[1]);	818	::swap (params[0], params[1]);
1065		819
1066	XRenderSetPictureFilter (dpy, src, FilterConvolution, params, size+2);	820	XRenderSetPictureFilter (dpy, src, FilterConvolution, params, size+2);
1067	XRenderComposite (dpy,	821	XRenderComposite (dpy,
1068	PictOpSrc,	822	PictOpSrc,
1069	src,	823	src,
1070	None,	824	None,
1071	dst,	825	dst,
1072	0, 0,	826	0, 0,
1073	0, 0,	827	0, 0,
1074	0, 0,	828	0, 0,
1075	width, height);	829	width, height);
1076	}
1077		830
1078	ret = true;	831	ret = true;
1079	}	832	}
1080		833
1081	free (kernel);	834	free (kernel);
…		…
1085	#endif	838	#endif
1086	return ret;	839	return ret;
1087	}	840	}
1088		841
1089	bool	842	bool
1090	rxvt_term::tint_pixmap (Pixmap pixmap, Visual *visual, int width, int height)	843	rxvt_term::tint_pixmap (Pixmap pixmap, int width, int height)
1091	{	844	{
1092	bool ret = false;	845	bool ret = false;
1093		846
1094	if (bg_flags & BG_TINT_BITAND)	847	if (shade == 100 && (bg_flags & BG_TINT_BITAND))
1095	{	848	{
1096	XGCValues gcv;	849	XGCValues gcv;
1097	GC gc;	850	GC gc;
1098		851
1099	/* In this case we can tint image server-side getting significant	852	/* In this case we can tint image server-side getting significant
…		…
1108	XFillRectangle (dpy, pixmap, gc, 0, 0, width, height);	861	XFillRectangle (dpy, pixmap, gc, 0, 0, width, height);
1109	ret = true;	862	ret = true;
1110	XFreeGC (dpy, gc);	863	XFreeGC (dpy, gc);
1111	}	864	}
1112	}	865	}
1113	else
1114	{
1115	# if XRENDER	866	# if XRENDER
		867	else if (bg_flags & BG_HAS_RENDER)
		868	{
1116	rgba c (rgba::MAX_CC,rgba::MAX_CC,rgba::MAX_CC);	869	rgba c (rgba::MAX_CC, rgba::MAX_CC, rgba::MAX_CC);
1117		870
1118	if (bg_flags & BG_TINT_SET)	871	if (bg_flags & BG_TINT_SET)
1119	tint.get (c);	872	tint.get (c);
1120		873
1121	if (shade <= 100)	874	if (shade <= 100)
1122	{	875	{
1123	c.r = (c.r * shade) / 100;	876	c.r = c.r * shade / 100;
1124	c.g = (c.g * shade) / 100;	877	c.g = c.g * shade / 100;
1125	c.b = (c.b * shade) / 100;	878	c.b = c.b * shade / 100;
1126	}	879	}
1127	else	880	else
1128	{	881	{
1129	c.r = (c.r * (200 - shade)) / 100;	882	c.r = c.r * (200 - shade) / 100;
1130	c.g = (c.g * (200 - shade)) / 100;	883	c.g = c.g * (200 - shade) / 100;
1131	c.b = (c.b * (200 - shade)) / 100;	884	c.b = c.b * (200 - shade) / 100;
1132	}	885	}
1133		886
1134	XRenderPictFormat *solid_format = XRenderFindStandardFormat (dpy, PictStandardARGB32);
1135	XRenderPictFormat *format = XRenderFindVisualFormat (dpy, visual);	887	XRenderPictFormat *format = XRenderFindVisualFormat (dpy, visual);
1136	XRenderPictureAttributes pa;
1137		888
1138	Picture back_pic = XRenderCreatePicture (dpy, pixmap, format, 0, &pa);	889	Picture back_pic = XRenderCreatePicture (dpy, pixmap, format, 0, 0);
1139		890
1140	pa.repeat = True;	891	Picture overlay_pic = create_xrender_mask (dpy, pixmap, True, False);
1141		892
1142	Pixmap overlay_pmap = XCreatePixmap (dpy, pixmap, 1, 1, 32);	893	Picture mask_pic = create_xrender_mask (dpy, pixmap, True, True);
1143	Picture overlay_pic = XRenderCreatePicture (dpy, overlay_pmap, solid_format, CPRepeat, &pa);
1144	XFreePixmap (dpy, overlay_pmap);
1145		894
1146	pa.component_alpha = True;
1147	Pixmap mask_pmap = XCreatePixmap (dpy, pixmap, 1, 1, 32);
1148	Picture mask_pic = XRenderCreatePicture (dpy, mask_pmap, solid_format, CPRepeat|CPComponentAlpha, &pa);
1149	XFreePixmap (dpy, mask_pmap);
1150
1151	if (mask_pic && overlay_pic && back_pic)
1152	{
1153	XRenderColor mask_c;	895	XRenderColor mask_c;
1154		896
1155	mask_c.red = mask_c.green = mask_c.blue = 0;
1156	mask_c.alpha = 0xffff;	897	mask_c.alpha = 0xffff;
		898	mask_c.red =
		899	mask_c.green =
		900	mask_c.blue = 0;
		901	XRenderFillRectangle (dpy, PictOpSrc, overlay_pic, &mask_c, 0, 0, 1, 1);
		902
		903	mask_c.alpha = 0;
		904	mask_c.red = 0xffff - c.r;
		905	mask_c.green = 0xffff - c.g;
		906	mask_c.blue = 0xffff - c.b;
		907	XRenderFillRectangle (dpy, PictOpSrc, mask_pic, &mask_c, 0, 0, 1, 1);
		908
		909	XRenderComposite (dpy, PictOpOver, overlay_pic, mask_pic, back_pic, 0, 0, 0, 0, 0, 0, width, height);
		910
		911	if (shade > 100)
		912	{
		913	mask_c.alpha = 0;
		914	mask_c.red =
		915	mask_c.green =
		916	mask_c.blue = 0xffff * (shade - 100) / 100;
1157	XRenderFillRectangle (dpy, PictOpSrc, overlay_pic, &mask_c, 0, 0, 1, 1);	917	XRenderFillRectangle (dpy, PictOpSrc, overlay_pic, &mask_c, 0, 0, 1, 1);
1158		918
1159	mask_c.alpha = 0;
1160	mask_c.red = 0xffff - c.r;
1161	mask_c.green = 0xffff - c.g;
1162	mask_c.blue = 0xffff - c.b;
1163	XRenderFillRectangle (dpy, PictOpSrc, mask_pic, &mask_c, 0, 0, 1, 1);
1164	XRenderComposite (dpy, PictOpOver, overlay_pic, mask_pic, back_pic, 0, 0, 0, 0, 0, 0, width, height);
1165
1166	if (shade > 100)
1167	{
1168	mask_c.red = mask_c.green = mask_c.blue = 0xffff * (shade - 100) / 100;
1169	mask_c.alpha = 0;
1170	XRenderFillRectangle (dpy, PictOpSrc, overlay_pic, &mask_c, 0, 0, 1, 1);
1171
1172	XRenderComposite (dpy, PictOpOver, overlay_pic, None, back_pic, 0, 0, 0, 0, 0, 0, width, height);	919	XRenderComposite (dpy, PictOpOver, overlay_pic, None, back_pic, 0, 0, 0, 0, 0, 0, width, height);
1173	}
1174
1175	ret = true;
1176	}	920	}
		921
		922	ret = true;
1177		923
1178	XRenderFreePicture (dpy, mask_pic);	924	XRenderFreePicture (dpy, mask_pic);
1179	XRenderFreePicture (dpy, overlay_pic);	925	XRenderFreePicture (dpy, overlay_pic);
1180	XRenderFreePicture (dpy, back_pic);	926	XRenderFreePicture (dpy, back_pic);
		927	}
1181	# endif	928	# endif
1182	}
1183		929
1184	return ret;	930	return ret;
1185	}	931	}
1186		932
1187	/* make_transparency_pixmap()	933	/*
1188	* Builds a pixmap of the same size as the terminal window that contains	934	* Builds a pixmap of the same size as the terminal window that contains
1189	* the tiled portion of the root pixmap that is supposed to be covered by	935	* the tiled portion of the root pixmap that is supposed to be covered by
1190	* our window.	936	* our window.
1191	*/	937	*/
1192	unsigned long	938	bool
1193	rxvt_term::make_transparency_pixmap ()	939	rxvt_term::make_transparency_pixmap ()
1194	{	940	{
1195	unsigned long result = 0;	941	bool ret = false;
1196		942
1197	/* root dimensions may change from call to call - but Display structure should	943	/* root dimensions may change from call to call - but Display structure should
1198	* be always up-to-date, so let's use it :	944	* be always up-to-date, so let's use it :
1199	*/	945	*/
1200	int screen = display->screen;	946	int screen = display->screen;
…		…
1236	if (root_pixmap != None && root_depth != depth)	982	if (root_pixmap != None && root_depth != depth)
1237	{	983	{
1238	#if XRENDER	984	#if XRENDER
1239	if (bg_flags & BG_HAS_RENDER)	985	if (bg_flags & BG_HAS_RENDER)
1240	{	986	{
1241	XRenderPictureAttributes pa;	987	recoded_root_pmap = XCreatePixmap (dpy, vt, root_pmap_width, root_pmap_height, depth);
1242		988
1243	XRenderPictFormat *src_format = XRenderFindVisualFormat (dpy, DefaultVisual (dpy, screen));	989	XRenderPictFormat *src_format = XRenderFindVisualFormat (dpy, DefaultVisual (dpy, screen));
1244	Picture src = XRenderCreatePicture (dpy, root_pixmap, src_format, 0, &pa);	990	Picture src = XRenderCreatePicture (dpy, root_pixmap, src_format, 0, 0);
1245		991
1246	recoded_root_pmap = XCreatePixmap (dpy, vt, root_pmap_width, root_pmap_height, depth);
1247	XRenderPictFormat *dst_format = XRenderFindVisualFormat (dpy, visual);	992	XRenderPictFormat *dst_format = XRenderFindVisualFormat (dpy, visual);
1248	Picture dst = XRenderCreatePicture (dpy, recoded_root_pmap, dst_format, 0, &pa);	993	Picture dst = XRenderCreatePicture (dpy, recoded_root_pmap, dst_format, 0, 0);
1249		994
1250	if (src && dst)
1251	XRenderComposite (dpy, PictOpSrc, src, None, dst, 0, 0, 0, 0, 0, 0, root_pmap_width, root_pmap_height);	995	XRenderComposite (dpy, PictOpSrc, src, None, dst, 0, 0, 0, 0, 0, 0, root_pmap_width, root_pmap_height);
1252	else
1253	{
1254	XFreePixmap (dpy, recoded_root_pmap);
1255	root_pixmap = None;
1256	}
1257		996
1258	XRenderFreePicture (dpy, src);	997	XRenderFreePicture (dpy, src);
1259	XRenderFreePicture (dpy, dst);	998	XRenderFreePicture (dpy, dst);
1260	}	999	}
1261	else	1000	else
1262	#endif	1001	#endif
1263	root_pixmap = None;	1002	recoded_root_pmap = None;
1264	}	1003	}
1265		1004
1266	if (root_pixmap == None)	1005	if (recoded_root_pmap == None)
1267	return 0;	1006	return 0;
1268		1007
1269	if (bg_pixmap == None	1008	if (bg_pixmap == None
1270	|| bg_pmap_width != window_width	1009	|| bg_pmap_width != window_width
1271	|| bg_pmap_height != window_height)	1010	|| bg_pmap_height != window_height)
…		…
1275	bg_pixmap = XCreatePixmap (dpy, vt, window_width, window_height, depth);	1014	bg_pixmap = XCreatePixmap (dpy, vt, window_width, window_height, depth);
1276	bg_pmap_width = window_width;	1015	bg_pmap_width = window_width;
1277	bg_pmap_height = window_height;	1016	bg_pmap_height = window_height;
1278	}	1017	}
1279		1018
1280	if (bg_pixmap == None)
1281	return 0;
1282
1283	/* straightforward pixmap copy */	1019	/* straightforward pixmap copy */
1284	while (sx < 0) sx += (int)root_width;	1020	while (sx < 0) sx += root_pmap_width;
1285	while (sy < 0) sy += (int)root_height;	1021	while (sy < 0) sy += root_pmap_height;
1286		1022
1287	gcv.tile = recoded_root_pmap;	1023	gcv.tile = recoded_root_pmap;
1288	gcv.fill_style = FillTiled;	1024	gcv.fill_style = FillTiled;
1289	gcv.ts_x_origin = -sx;	1025	gcv.ts_x_origin = -sx;
1290	gcv.ts_y_origin = -sy;	1026	gcv.ts_y_origin = -sy;
1291	gc = XCreateGC (dpy, vt, GCFillStyle | GCTile | GCTileStipXOrigin | GCTileStipYOrigin, &gcv);	1027	gc = XCreateGC (dpy, vt, GCFillStyle | GCTile | GCTileStipXOrigin | GCTileStipYOrigin, &gcv);
1292		1028
1293	if (gc)	1029	if (gc)
1294	{	1030	{
1295	XFillRectangle (dpy, bg_pixmap, gc, 0, 0, window_width, window_height);	1031	XFillRectangle (dpy, bg_pixmap, gc, 0, 0, window_width, window_height);
1296	result |= BG_IS_VALID | (bg_flags & BG_EFFECTS_FLAGS);	1032	ret = true;
		1033	bool need_blur = h_blurRadius && v_blurRadius;
		1034	bool need_tint = shade != 100 || (bg_flags & BG_TINT_SET);
		1035
		1036	if (!(bg_flags & BG_CLIENT_RENDER))
		1037	{
		1038	if (need_blur)
		1039	{
		1040	if (blur_pixmap (bg_pixmap, window_width, window_height))
		1041	need_blur = false;
		1042	}
		1043	if (need_tint)
		1044	{
		1045	if (tint_pixmap (bg_pixmap, window_width, window_height))
		1046	need_tint = false;
		1047	}
		1048	if (need_tint)
		1049	{
		1050	XImage *ximage = XGetImage (dpy, bg_pixmap, 0, 0, bg_pmap_width, bg_pmap_height, AllPlanes, ZPixmap);
		1051	if (ximage)
		1052	{
		1053	/* our own client-side tinting */
		1054	tint_ximage (ximage);
		1055
		1056	XPutImage (dpy, bg_pixmap, gc, ximage, 0, 0, 0, 0, ximage->width, ximage->height);
		1057	XDestroyImage (ximage);
		1058	}
		1059	}
		1060	} /* server side rendering completed */
		1061
1297	XFreeGC (dpy, gc);	1062	XFreeGC (dpy, gc);
1298
1299	if (!(bg_flags & BG_CLIENT_RENDER))
1300	{
1301	if ((bg_flags & BG_NEEDS_BLUR)
1302	&& (bg_flags & BG_HAS_RENDER_CONV))
1303	{
1304	if (blur_pixmap (bg_pixmap, visual, window_width, window_height))
1305	result &= ~BG_NEEDS_BLUR;
1306	}
1307	if ((bg_flags & BG_NEEDS_TINT)
1308	&& (bg_flags & (BG_TINT_BITAND | BG_HAS_RENDER)))
1309	{
1310	if (tint_pixmap (bg_pixmap, visual, window_width, window_height))
1311	result &= ~BG_NEEDS_TINT;
1312	}
1313	} /* server side rendering completed */
1314	}	1063	}
1315		1064
1316	if (recoded_root_pmap != root_pixmap)	1065	if (recoded_root_pmap != root_pixmap)
1317	XFreePixmap (dpy, recoded_root_pmap);	1066	XFreePixmap (dpy, recoded_root_pmap);
1318		1067
1319	return result;	1068	return ret;
1320	}	1069	}
1321		1070
1322	void	1071	void
1323	rxvt_term::bg_set_root_pixmap ()	1072	rxvt_term::bg_set_root_pixmap ()
1324	{	1073	{
…		…
1328		1077
1329	root_pixmap = new_root_pixmap;	1078	root_pixmap = new_root_pixmap;
1330	}	1079	}
1331	# endif /* ENABLE_TRANSPARENCY */	1080	# endif /* ENABLE_TRANSPARENCY */
1332		1081
1333	#if defined(ENABLE_TRANSPARENCY) && !defined(HAVE_AFTERIMAGE)
1334	static void shade_ximage (Visual *visual, XImage *ximage, int shade, const rgba &c);
1335	# endif
1336
1337	bool	1082	bool
1338	rxvt_term::bg_render ()	1083	rxvt_term::bg_render ()
1339	{	1084	{
1340	unsigned long tr_flags = 0;
1341
1342	bg_invalidate ();	1085	bg_invalidate ();
1343	# ifdef ENABLE_TRANSPARENCY	1086	# ifdef ENABLE_TRANSPARENCY
1344	if (bg_flags & BG_IS_TRANSPARENT)	1087	if (bg_flags & BG_IS_TRANSPARENT)
1345	{	1088	{
1346	/* we need to re-generate transparency pixmap in that case ! */	1089	/* we need to re-generate transparency pixmap in that case ! */
1347	tr_flags = make_transparency_pixmap ();	1090	if (make_transparency_pixmap ())
1348	if (tr_flags == 0)
1349	return false;
1350	else if (!(tr_flags & BG_EFFECTS_FLAGS))
1351	bg_flags |= BG_IS_VALID;	1091	bg_flags |= BG_IS_VALID;
1352	}	1092	}
1353	# endif	1093	# endif
1354		1094
1355	# ifdef BG_IMAGE_FROM_FILE	1095	# ifdef BG_IMAGE_FROM_FILE
1356	if ((bg_flags & BG_IS_FROM_FILE)	1096	if (bg_image.flags & IM_IS_SET)
1357	|| (tr_flags & BG_EFFECTS_FLAGS))
1358	{	1097	{
1359	if (render_image (tr_flags))	1098	if (render_image (bg_image))
1360	bg_flags |= BG_IS_VALID;	1099	bg_flags |= BG_IS_VALID;
1361	}
1362	# endif
1363
1364	# if defined(ENABLE_TRANSPARENCY) && !defined(HAVE_AFTERIMAGE)
1365	XImage *result = NULL;
1366
1367	if (tr_flags && !(bg_flags & BG_IS_VALID))
1368	{
1369	result = XGetImage (dpy, bg_pixmap, 0, 0, bg_pmap_width, bg_pmap_height, AllPlanes, ZPixmap);
1370	}
1371
1372	if (result)
1373	{
1374	/* our own client-side tinting */
1375	if (tr_flags & BG_NEEDS_TINT)
1376	{
1377	rgba c (rgba::MAX_CC,rgba::MAX_CC,rgba::MAX_CC);
1378	if (bg_flags & BG_TINT_SET)
1379	tint.get (c);
1380	shade_ximage (DefaultVisual (dpy, display->screen), result, shade, c);
1381	}
1382
1383	GC gc = XCreateGC (dpy, vt, 0UL, NULL);
1384
1385	if (gc)
1386	{
1387	XPutImage (dpy, bg_pixmap, gc, result, 0, 0, 0, 0, result->width, result->height);
1388
1389	XFreeGC (dpy, gc);
1390	bg_flags |= BG_IS_VALID;
1391	}
1392
1393	XDestroyImage (result);
1394	}	1100	}
1395	# endif	1101	# endif
1396		1102
1397	if (!(bg_flags & BG_IS_VALID))	1103	if (!(bg_flags & BG_IS_VALID))
1398	{	1104	{
…		…
1435	#endif	1141	#endif
1436	}	1142	}
1437		1143
1438	#endif /* HAVE_BG_PIXMAP */	1144	#endif /* HAVE_BG_PIXMAP */
1439		1145
1440	#if defined(ENABLE_TRANSPARENCY) && !defined(HAVE_AFTERIMAGE)	1146	#ifdef ENABLE_TRANSPARENCY
1441	/* taken from aterm-0.4.2 */	1147	/* based on code from aterm-0.4.2 */
1442		1148
1443	static void	1149	static inline void
1444	shade_ximage (Visual *visual, XImage *ximage, int shade, const rgba &c)	1150	fill_lut (uint32_t *lookup, uint32_t mask, int sh, unsigned short low, unsigned short high)
1445	{	1151	{
		1152	for (int i = 0; i <= mask >> sh; i++)
		1153	{
		1154	uint32_t tmp;
		1155	tmp = i * high;
		1156	tmp += (mask >> sh) * low;
		1157	lookup[i] = (tmp / 0xffff) << sh;
		1158	}
		1159	}
		1160
		1161	void
		1162	rxvt_term::tint_ximage (XImage *ximage)
		1163	{
		1164	unsigned int size_r, size_g, size_b;
1446	int sh_r, sh_g, sh_b;	1165	int sh_r, sh_g, sh_b;
1447	uint32_t mask_r, mask_g, mask_b;	1166	uint32_t mask_r, mask_g, mask_b;
1448	uint32_t *lookup, *lookup_r, *lookup_g, *lookup_b;	1167	uint32_t *lookup, *lookup_r, *lookup_g, *lookup_b;
1449	rgba low;	1168	unsigned short low;
1450	rgba high;
1451	int i;
1452	int host_byte_order = byteorder::big_endian () ? MSBFirst : LSBFirst;	1169	int host_byte_order = ecb_big_endian () ? MSBFirst : LSBFirst;
1453		1170
1454	if (visual->c_class != TrueColor || ximage->format != ZPixmap) return;	1171	if (visual->c_class != TrueColor || ximage->format != ZPixmap) return;
1455		1172
1456	/* for convenience */	1173	/* for convenience */
1457	mask_r = visual->red_mask;	1174	mask_r = visual->red_mask;
1458	mask_g = visual->green_mask;	1175	mask_g = visual->green_mask;
1459	mask_b = visual->blue_mask;	1176	mask_b = visual->blue_mask;
1460		1177
1461	/* boring lookup table pre-initialization */	1178	/* boring lookup table pre-initialization */
1462	switch (ximage->depth)	1179	sh_r = ecb_ctz32 (mask_r);
1463	{	1180	sh_g = ecb_ctz32 (mask_g);
1464	case 15:	1181	sh_b = ecb_ctz32 (mask_b);
1465	if ((mask_r != 0x7c00) ||	1182
1466	(mask_g != 0x03e0) ||	1183	size_r = mask_r >> sh_r;
1467	(mask_b != 0x001f))	1184	size_g = mask_g >> sh_g;
		1185	size_b = mask_b >> sh_b;
		1186
		1187	if (size_r++ > 255 || size_g++ > 255 || size_b++ > 255)
1468	return;	1188	return;
1469	lookup = (uint32_t *) malloc (sizeof (uint32_t)*(32+32+32));	1189
		1190	lookup = (uint32_t *)malloc (sizeof (uint32_t) * (size_r + size_g + size_b));
1470	lookup_r = lookup;	1191	lookup_r = lookup;
1471	lookup_g = lookup+32;	1192	lookup_g = lookup + size_r;
1472	lookup_b = lookup+32+32;	1193	lookup_b = lookup + size_r + size_g;
1473	sh_r = 10;	1194
1474	sh_g = 5;	1195	rgba c (rgba::MAX_CC, rgba::MAX_CC, rgba::MAX_CC);
1475	sh_b = 0;	1196
1476	break;	1197	if (bg_flags & BG_TINT_SET)
1477	case 16:	1198	tint.get (c);
1478	if ((mask_r != 0xf800) ||
1479	(mask_g != 0x07e0) ||
1480	(mask_b != 0x001f))
1481	return;
1482	lookup = (uint32_t *) malloc (sizeof (uint32_t)*(32+64+32));
1483	lookup_r = lookup;
1484	lookup_g = lookup+32;
1485	lookup_b = lookup+32+64;
1486	sh_r = 11;
1487	sh_g = 5;
1488	sh_b = 0;
1489	break;
1490	case 24:
1491	if ((mask_r != 0xff0000) ||
1492	(mask_g != 0x00ff00) ||
1493	(mask_b != 0x0000ff))
1494	return;
1495	lookup = (uint32_t *) malloc (sizeof (uint32_t)*(256+256+256));
1496	lookup_r = lookup;
1497	lookup_g = lookup+256;
1498	lookup_b = lookup+256+256;
1499	sh_r = 16;
1500	sh_g = 8;
1501	sh_b = 0;
1502	break;
1503	case 32:
1504	if ((mask_r != 0xff0000) ||
1505	(mask_g != 0x00ff00) ||
1506	(mask_b != 0x0000ff))
1507	return;
1508	lookup = (uint32_t *) malloc (sizeof (uint32_t)*(256+256+256));
1509	lookup_r = lookup;
1510	lookup_g = lookup+256;
1511	lookup_b = lookup+256+256;
1512	sh_r = 16;
1513	sh_g = 8;
1514	sh_b = 0;
1515	break;
1516	default:
1517	return; /* we do not support this color depth */
1518	}
1519		1199
1520	/* prepare limits for color transformation (each channel is handled separately) */	1200	/* prepare limits for color transformation (each channel is handled separately) */
1521	if (shade > 100)	1201	if (shade > 100)
1522	{	1202	{
1523	shade = 200 - shade;
1524
1525	high.r = c.r * shade / 100;
1526	high.g = c.g * shade / 100;
1527	high.b = c.b * shade / 100;
1528
1529	low.r = 65535 * (100 - shade) / 100;	1203	c.r = c.r * (200 - shade) / 100;
1530	low.g = 65535 * (100 - shade) / 100;	1204	c.g = c.g * (200 - shade) / 100;
1531	low.b = 65535 * (100 - shade) / 100;	1205	c.b = c.b * (200 - shade) / 100;
		1206
		1207	low = 0xffff * (shade - 100) / 100;
1532	}	1208	}
1533	else	1209	else
1534	{	1210	{
1535	high.r = c.r * shade / 100;	1211	c.r = c.r * shade / 100;
1536	high.g = c.g * shade / 100;	1212	c.g = c.g * shade / 100;
1537	high.b = c.b * shade / 100;	1213	c.b = c.b * shade / 100;
1538		1214
1539	low.r = low.g = low.b = 0;	1215	low = 0;
1540	}	1216	}
1541		1217
1542	/* fill our lookup tables */	1218	/* fill our lookup tables */
1543	for (i = 0; i <= mask_r>>sh_r; i++)	1219	fill_lut (lookup_r, mask_r, sh_r, low, c.r);
1544	{	1220	fill_lut (lookup_g, mask_g, sh_g, low, c.g);
1545	uint32_t tmp;	1221	fill_lut (lookup_b, mask_b, sh_b, low, c.b);
1546	tmp = i * high.r;
1547	tmp += (mask_r>>sh_r) * low.r;
1548	lookup_r[i] = (tmp/65535)<<sh_r;
1549	}
1550	for (i = 0; i <= mask_g>>sh_g; i++)
1551	{
1552	uint32_t tmp;
1553	tmp = i * high.g;
1554	tmp += (mask_g>>sh_g) * low.g;
1555	lookup_g[i] = (tmp/65535)<<sh_g;
1556	}
1557	for (i = 0; i <= mask_b>>sh_b; i++)
1558	{
1559	uint32_t tmp;
1560	tmp = i * high.b;
1561	tmp += (mask_b>>sh_b) * low.b;
1562	lookup_b[i] = (tmp/65535)<<sh_b;
1563	}
1564		1222
1565	/* apply table to input image (replacing colors by newly calculated ones) */	1223	/* apply table to input image (replacing colors by newly calculated ones) */
1566	if (ximage->bits_per_pixel == 32	1224	if (ximage->bits_per_pixel == 32
1567	&& (ximage->depth == 24 || ximage->depth == 32)
1568	&& ximage->byte_order == host_byte_order)	1225	&& ximage->byte_order == host_byte_order)
1569	{	1226	{
1570	uint32_t *p1, *pf, *p, *pl;	1227	char *line = ximage->data;
1571	p1 = (uint32_t *) ximage->data;
1572	pf = (uint32_t *) (ximage->data + ximage->height * ximage->bytes_per_line);
1573		1228
1574	while (p1 < pf)	1229	for (int y = 0; y < ximage->height; y++)
1575	{
1576	p = p1;
1577	pl = p1 + ximage->width;
1578	for (; p < pl; p++)
1579	{	1230	{
1580	*p = lookup_r[(*p & 0xff0000) >> 16] |	1231	uint32_t *p = (uint32_t *)line;
1581	lookup_g[(*p & 0x00ff00) >> 8] |	1232	for (int x = 0; x < ximage->width; x++)
1582	lookup_b[(*p & 0x0000ff)] |
1583	(*p & 0xff000000);
1584	}	1233	{
1585	p1 = (uint32_t *) ((char *) p1 + ximage->bytes_per_line);	1234	*p = lookup_r[(*p & mask_r) >> sh_r] |
		1235	lookup_g[(*p & mask_g) >> sh_g] |
		1236	lookup_b[(*p & mask_b) >> sh_b];
		1237	p++;
		1238	}
		1239	line += ximage->bytes_per_line;
1586	}	1240	}
1587	}	1241	}
1588	else	1242	else
1589	{	1243	{
1590	for (int y = 0; y < ximage->height; y++)	1244	for (int y = 0; y < ximage->height; y++)
…		…
1598	}	1252	}
1599	}	1253	}
1600		1254
1601	free (lookup);	1255	free (lookup);
1602	}	1256	}
1603	#endif /* defined(ENABLE_TRANSPARENCY) && !defined(HAVE_AFTERIMAGE) */	1257	#endif /* ENABLE_TRANSPARENCY */

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