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Comparing rxvt-unicode/src/background.C (file contents):
Revision 1.155 by sf-exg, Mon May 30 18:39:02 2011 UTC vs.
Revision 1.214 by sf-exg, Thu May 17 10:18:32 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	min_it (w, 1000);
262	{	280	min_it (h, 1000);
263	if (!strcasecmp (arr[i], "tile"))	281	clamp_it (x, -100, 200);
264	{	282	clamp_it (y, -100, 200);
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		283
276	h = noScale;	284	if (flags != new_flags
277	geom_flags |= WidthValue|HeightValue;	285	|| h_scale != w
278	}	286	|| v_scale != h
279	else if (!strcasecmp (arr[i], "vscale"))	287	|| h_align != x
280	{	288	|| 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	}	289	{
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;	290	flags = new_flags;
		291	h_scale = w;
		292	v_scale = h;
		293	h_align = x;
		294	v_align = y;
318	changed = true;	295	changed = true;
319	}	296	}
320		297
		298	if (!(flags & IM_TILE)
		299	|| h_scale || v_scale
		300	|| (!(flags & IM_ROOT_ALIGN) && (h_align || v_align)))
		301	flags |= IM_IS_SIZE_SENSITIVE;
		302	else
		303	flags &= ~IM_IS_SIZE_SENSITIVE;
		304
321	return changed;	305	return changed;
322	}	306	}
323		307
324	void	308	void
325	rxvt_term::get_image_geometry (int image_width, int image_height, int &w, int &h, int &x, int &y)	309	rxvt_term::get_image_geometry (rxvt_image &image, int &w, int &h, int &x, int &y)
326	{	310	{
		311	int image_width = image.width ();
		312	int image_height = image.height ();
327	int target_width = szHint.width;	313	int target_width = szHint.width;
328	int target_height = szHint.height;	314	int target_height = szHint.height;
329		315
330	if (bg_flags & BG_PROP_SCALE)	316	w = image.h_scale * target_width / 100;
		317	h = image.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)
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 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 XRENDER
		361	XRenderPictFormat *format = XRenderFindVisualFormat (dpy, visual);
		362	if (format)
		363	alpha_mask = (uint32_t)format->direct.alphaMask << format->direct.alpha;
		364	else
		365	#endif
		366	alpha_mask = 0;
		367
		368	width_r = ecb_popcount32 (visual->red_mask);
		369	width_g = ecb_popcount32 (visual->green_mask);
		370	width_b = ecb_popcount32 (visual->blue_mask);
		371	width_a = ecb_popcount32 (alpha_mask);
		372
		373	if (width_r > 8 || width_g > 8 || width_b > 8 || width_a > 8)
		374	return false;
		375
		376	sh_r = ecb_ctz32 (visual->red_mask);
		377	sh_g = ecb_ctz32 (visual->green_mask);
		378	sh_b = ecb_ctz32 (visual->blue_mask);
		379	sh_a = ecb_ctz32 (alpha_mask);
		380
		381	if (width > 32767 || height > 32767)
		382	return false;
		383
		384	ximage = XCreateImage (dpy, visual, depth, ZPixmap, 0, 0,
		385	width, height, 32, 0);
		386	if (!ximage)
		387	return false;
		388
		389	if (height > INT_MAX / ximage->bytes_per_line
		390	|| !(ximage->data = (char *)malloc (height * ximage->bytes_per_line)))
390	}	391	{
391		392	XDestroyImage (ximage);
392	if ((tr_flags & BG_NEEDS_BLUR) && background != NULL)	393	return false;
393	{	394	}
394	ASImage *tmp = blur_asimage_gauss (asv, background, h_blurRadius, v_blurRadius, 0xFFFFFFFF,	395
395	(original_asim == NULL || tint == TINT_LEAVE_SAME) ? ASA_XImage : ASA_ASImage,	396	ximage->byte_order = ecb_big_endian () ? MSBFirst : LSBFirst;
396	100, ASIMAGE_QUALITY_DEFAULT);	397
397	if (tmp)	398	rowstride = gdk_pixbuf_get_rowstride (pixbuf);
		399	channels = gdk_pixbuf_get_n_channels (pixbuf);
		400	row = gdk_pixbuf_get_pixels (pixbuf) + src_y * rowstride + src_x * channels;
		401	line = ximage->data;
		402
		403	rgba c (0, 0, 0);
		404
		405	if (channels == 4 && alpha_mask == 0)
		406	{
		407	pix_colors[Color_bg].get (c);
		408	c.r >>= 8;
		409	c.g >>= 8;
		410	c.b >>= 8;
		411	}
		412
		413	for (int y = 0; y < height; y++)
		414	{
		415	for (int x = 0; x < width; x++)
		416	{
		417	unsigned char *pixel = row + x * channels;
		418	uint32_t value;
		419	unsigned char r, g, b, a;
		420
		421	if (channels == 4)
398	{	422	{
399	destroy_asimage (&background);	423	a = pixel[3];
400	background = tmp;	424	r = (pixel[0] * a + c.r * (0xff - a)) / 0xff;
		425	g = (pixel[1] * a + c.g * (0xff - a)) / 0xff;
		426	b = (pixel[2] * a + c.b * (0xff - a)) / 0xff;
		427	}
		428	else
		429	{
		430	a = 0xff;
		431	r = pixel[0];
		432	g = pixel[1];
		433	b = pixel[2];
		434	}
		435
		436	value = ((r >> (8 - width_r)) << sh_r)
		437	| ((g >> (8 - width_g)) << sh_g)
		438	| ((b >> (8 - width_b)) << sh_b)
		439	| ((a >> (8 - width_a)) << sh_a);
		440
		441	if (ximage->bits_per_pixel == 32)
		442	((uint32_t *)line)[x] = value;
		443	else
		444	XPutPixel (ximage, x, y, value);
401	}	445	}
402	}
403	# endif
404		446
405	ASImage *result = 0;	447	row += rowstride;
		448	line += ximage->bytes_per_line;
		449	}
		450
		451	XPutImage (dpy, pixmap, gc, ximage, 0, 0, dst_x, dst_y, width, height);
		452	XDestroyImage (ximage);
		453	return true;
		454	}
		455
		456	bool
		457	rxvt_term::render_image (rxvt_image &image, bool transparent)
		458	{
		459	GdkPixbuf *pixbuf = image.pixbuf;
		460	if (!pixbuf)
		461	return false;
		462
		463	if (transparent
		464	&& !(bg_flags & BG_HAS_RENDER))
		465	return false;
		466
		467	GdkPixbuf *result;
		468
		469	int image_width = gdk_pixbuf_get_width (pixbuf);
		470	int image_height = gdk_pixbuf_get_height (pixbuf);
406		471
407	int target_width = szHint.width;	472	int target_width = szHint.width;
408	int target_height = szHint.height;	473	int target_height = szHint.height;
409	int new_pmap_width = target_width;	474	int new_pmap_width = target_width;
410	int new_pmap_height = target_height;	475	int new_pmap_height = target_height;
…		…
412	int x = 0;	477	int x = 0;
413	int y = 0;	478	int y = 0;
414	int w = 0;	479	int w = 0;
415	int h = 0;	480	int h = 0;
416		481
417	if (original_asim)	482	get_image_geometry (image, w, h, x, y);
418	get_image_geometry (original_asim->width, original_asim->height, w, h, x, y);
419		483
420	if (!original_asim
421	|| (!(bg_flags & BG_ROOT_ALIGN)
422	&& (x >= target_width
423	|| y >= target_height
424	|| (x + w <= 0)
425	|| (y + h <= 0))))
426	{
427	if (background)
428	{
429	new_pmap_width = background->width;
430	new_pmap_height = background->height;
431	result = background;
432
433	if (background_tint != TINT_LEAVE_SAME)
434	{
435	ASImage *tmp = tile_asimage (asv, background, 0, 0,
436	target_width, target_height, background_tint,
437	ASA_XImage, 100, ASIMAGE_QUALITY_DEFAULT);
438	if (tmp)
439	result = tmp;
440	}
441	}
442	else
443	new_pmap_width = new_pmap_height = 0;
444	}
445	else
446	{
447	result = original_asim;
448
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
552	|| bg_pmap_width != new_pmap_width
553	|| bg_pmap_height != new_pmap_height)
554	{
555	if (bg_pixmap)
556	XFreePixmap (dpy, bg_pixmap);
557	bg_pixmap = XCreatePixmap (dpy, vt, new_pmap_width, new_pmap_height, depth);
558	bg_pmap_width = new_pmap_width;
559	bg_pmap_height = new_pmap_height;
560	}
561	/* fill with background color (if result's not completely overlapping it) */
562	gcv.foreground = pix_colors[Color_bg];
563	gc = XCreateGC (dpy, vt, GCForeground, &gcv);
564
565	int src_x = 0, src_y = 0, dst_x = 0, dst_y = 0;
566	int dst_width = result->width, dst_height = result->height;
567	if (background == NULL)
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	}
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 = ecb_popcount32 (visual->red_mask);
626	width_g = ecb_popcount32 (visual->green_mask);
627	width_b = ecb_popcount32 (visual->blue_mask);
628
629	if (width_r > 8 || width_g > 8 || width_b > 8)
630	return false;
631
632	sh_r = ecb_ctz32 (visual->red_mask);
633	sh_g = ecb_ctz32 (visual->green_mask);
634	sh_b = ecb_ctz32 (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 = ecb_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)	484	if (!(image.flags & IM_ROOT_ALIGN)
712	&& (x >= target_width	485	&& (x >= target_width
713	|| y >= target_height	486	|| y >= target_height
714	|| (x + w <= 0)	487	|| x + w <= 0
715	|| (y + h <= 0)))	488	|| y + h <= 0))
716	return false;	489	return false;
717		490
718	result = pixbuf;	491	result = pixbuf;
719		492
720	if ((w != image_width)	493	if (w != image_width
721	|| (h != image_height))	494	|| h != image_height)
722	{	495	{
723	result = gdk_pixbuf_scale_simple (pixbuf,	496	result = gdk_pixbuf_scale_simple (pixbuf,
724	w, h,	497	w, h,
725	GDK_INTERP_BILINEAR);	498	GDK_INTERP_BILINEAR);
726	}	499	}
…		…
735	Pixmap root_pmap;	508	Pixmap root_pmap;
736		509
737	image_width = gdk_pixbuf_get_width (result);	510	image_width = gdk_pixbuf_get_width (result);
738	image_height = gdk_pixbuf_get_height (result);	511	image_height = gdk_pixbuf_get_height (result);
739		512
740	if (tr_flags)	513	if (transparent)
741	{	514	{
742	root_pmap = bg_pixmap;	515	root_pmap = bg_pixmap;
743	bg_pixmap = None;	516	bg_pixmap = None;
744	}	517	}
745	else	518	else
746	{	519	{
747	if (h_scale == 0 || v_scale == 0)	520	if (image.flags & IM_TILE)
748	{	521	{
749	new_pmap_width = min (image_width, target_width);	522	new_pmap_width = min (image_width, target_width);
750	new_pmap_height = min (image_height, target_height);	523	new_pmap_height = min (image_height, target_height);
751	}	524	}
752	}	525	}
…		…
765	gcv.foreground = pix_colors[Color_bg];	538	gcv.foreground = pix_colors[Color_bg];
766	gc = XCreateGC (dpy, vt, GCForeground, &gcv);	539	gc = XCreateGC (dpy, vt, GCForeground, &gcv);
767		540
768	if (gc)	541	if (gc)
769	{	542	{
770	if (h_scale == 0 || v_scale == 0)	543	if (image.flags & IM_TILE)
771	{	544	{
772	Pixmap tile = XCreatePixmap (dpy, vt, image_width, image_height, depth);	545	Pixmap tile = XCreatePixmap (dpy, vt, image_width, image_height, depth);
773	pixbuf_to_pixmap (result, tile, gc,	546	pixbuf_to_pixmap (result, tile, gc,
774	0, 0,	547	0, 0,
775	0, 0,	548	0, 0,
…		…
803	dst_x, dst_y,	576	dst_x, dst_y,
804	dst_width, dst_height);	577	dst_width, dst_height);
805	}	578	}
806		579
807	#if XRENDER	580	#if XRENDER
808	if (tr_flags)	581	if (transparent)
809	{	582	{
810	XRenderPictureAttributes pa;
811
812	XRenderPictFormat *src_format = XRenderFindVisualFormat (dpy, visual);	583	XRenderPictFormat *format = XRenderFindVisualFormat (dpy, visual);
		584
813	Picture src = XRenderCreatePicture (dpy, root_pmap, src_format, 0, &pa);	585	Picture src = XRenderCreatePicture (dpy, root_pmap, format, 0, 0);
814		586
815	XRenderPictFormat *dst_format = XRenderFindVisualFormat (dpy, visual);
816	Picture dst = XRenderCreatePicture (dpy, bg_pixmap, dst_format, 0, &pa);	587	Picture dst = XRenderCreatePicture (dpy, bg_pixmap, format, 0, 0);
817		588
818	pa.repeat = True;	589	Picture mask = create_xrender_mask (dpy, vt, False, False);
819	Pixmap mask_pmap = XCreatePixmap (dpy, vt, 1, 1, 8);
820	XRenderPictFormat *mask_format = XRenderFindStandardFormat (dpy, PictStandardA8);
821	Picture mask = XRenderCreatePicture (dpy, mask_pmap, mask_format, CPRepeat, &pa);
822	XFreePixmap (dpy, mask_pmap);
823		590
824	XRenderColor mask_c;	591	XRenderColor mask_c;
825		592
826	mask_c.alpha = 0x8000;	593	mask_c.alpha = 0x8000;
827	mask_c.red = 0;	594	mask_c.red =
828	mask_c.green = 0;	595	mask_c.green =
829	mask_c.blue = 0;	596	mask_c.blue = 0;
830	XRenderFillRectangle (dpy, PictOpSrc, mask, &mask_c, 0, 0, 1, 1);	597	XRenderFillRectangle (dpy, PictOpSrc, mask, &mask_c, 0, 0, 1, 1);
		598
831	XRenderComposite (dpy, PictOpOver, src, mask, dst, 0, 0, 0, 0, 0, 0, target_width, target_height);	599	XRenderComposite (dpy, PictOpOver, src, mask, dst, 0, 0, 0, 0, 0, 0, target_width, target_height);
832		600
833	XRenderFreePicture (dpy, src);	601	XRenderFreePicture (dpy, src);
834	XRenderFreePicture (dpy, dst);	602	XRenderFreePicture (dpy, dst);
835	XRenderFreePicture (dpy, mask);	603	XRenderFreePicture (dpy, mask);
…		…
842	}	610	}
843		611
844	if (result != pixbuf)	612	if (result != pixbuf)
845	g_object_unref (result);	613	g_object_unref (result);
846		614
847	if (tr_flags)	615	if (transparent)
848	XFreePixmap (dpy, root_pmap);	616	XFreePixmap (dpy, root_pmap);
849		617
850	return ret;	618	return ret;
851	}	619	}
852	# endif /* HAVE_PIXBUF */	620	# endif /* HAVE_PIXBUF */
853		621
854	bool	622	bool
855	rxvt_term::bg_set_file (const char *file)	623	rxvt_image::set_file (const char *file)
856	{	624	{
857	if (!file || !*file)	625	if (!file || !*file)
858	return false;	626	return false;
859		627
		628	bool ret = false;
860	if (const char *p = strchr (file, ';'))	629	const char *p = strchr (file, ';');
		630
		631	if (p)
861	{	632	{
862	size_t len = p - file;	633	size_t len = p - file;
863	char *f = rxvt_temp_buf<char> (len + 1);	634	char *f = rxvt_temp_buf<char> (len + 1);
864	memcpy (f, file, len);	635	memcpy (f, file, len);
865	f[len] = '\0';	636	f[len] = '\0';
866	file = f;	637	file = f;
867	}	638	}
868		639
869	# ifdef HAVE_AFTERIMAGE
870	if (!asimman)
871	asimman = create_generic_imageman (rs[Rs_path]);
872	ASImage *image = get_asimage (asimman, file, 0xFFFFFFFF, 100);
873	if (image)
874	{
875	if (original_asim)
876	safe_asimage_destroy (original_asim);
877	original_asim = image;
878	bg_flags |= BG_IS_FROM_FILE | BG_CLIENT_RENDER;
879	return true;
880	}
881	# endif
882
883	# ifdef HAVE_PIXBUF	640	# ifdef HAVE_PIXBUF
884	GdkPixbuf *image = gdk_pixbuf_new_from_file (file, NULL);	641	GdkPixbuf *image = gdk_pixbuf_new_from_file (file, NULL);
885	if (image)	642	if (image)
886	{	643	{
887	if (pixbuf)	644	if (pixbuf)
888	g_object_unref (pixbuf);	645	g_object_unref (pixbuf);
889	pixbuf = image;	646	pixbuf = image;
890	bg_flags |= BG_IS_FROM_FILE;	647	flags |= IM_IS_SET;
891	return true;	648	ret = true;
892	}	649	}
893	# endif	650	# endif
894		651
		652	if (ret)
		653	{
		654	if (p)
		655	set_geometry (p + 1);
		656	else
		657	set_default_geometry ();
		658	}
		659
895	return false;	660	return ret;
896	}	661	}
897		662
898	# endif /* BG_IMAGE_FROM_FILE */	663	# endif /* BG_IMAGE_FROM_FILE */
899		664
900	# ifdef ENABLE_TRANSPARENCY	665	# ifdef ENABLE_TRANSPARENCY
901	bool
902	rxvt_term::bg_set_transparent ()
903	{
904	if (!(bg_flags & BG_IS_TRANSPARENT))
905	{
906	bg_flags |= BG_IS_TRANSPARENT;
907	return true;
908	}
909
910	return false;
911	}
912
913	bool	666	bool
914	rxvt_term::bg_set_blur (const char *geom)	667	rxvt_term::bg_set_blur (const char *geom)
915	{	668	{
916	bool changed = false;	669	bool changed = false;
917	unsigned int hr, vr;	670	unsigned int hr, vr;
…		…
936	{	689	{
937	changed = true;	690	changed = true;
938	v_blurRadius = vr;	691	v_blurRadius = vr;
939	}	692	}
940		693
941	if (v_blurRadius == 0 && h_blurRadius == 0)
942	bg_flags &= ~BG_NEEDS_BLUR;
943	else
944	bg_flags |= BG_NEEDS_BLUR;
945
946	return changed;	694	return changed;
947	}	695	}
948		696
949	void	697	bool
950	rxvt_term::set_tint_shade_flags ()	698	rxvt_term::bg_set_tint (rxvt_color &new_tint)
951	{	699	{
952	rgba c (rgba::MAX_CC,rgba::MAX_CC,rgba::MAX_CC);	700	if (!(bg_flags & BG_TINT_SET) || tint != new_tint)
953	bool has_shade = shade != 100;	701	{
954		702	tint = new_tint;
955	bg_flags &= ~BG_TINT_FLAGS;	703	bg_flags |= BG_TINT_SET;
956		704
957	if (bg_flags & BG_TINT_SET)	705	rgba c;
958	{
959	tint.get (c);	706	tint.get (c);
960	if (!has_shade
961	&& (c.r <= 0x00ff || c.r >= 0xff00)	707	if ((c.r <= 0x00ff || c.r >= 0xff00)
962	&& (c.g <= 0x00ff || c.g >= 0xff00)	708	&& (c.g <= 0x00ff || c.g >= 0xff00)
963	&& (c.b <= 0x00ff || c.b >= 0xff00))	709	&& (c.b <= 0x00ff || c.b >= 0xff00))
964	bg_flags |= BG_TINT_BITAND;	710	bg_flags |= BG_TINT_BITAND;
965	}	711	else
966
967	if (has_shade || (bg_flags & BG_TINT_SET))
968	bg_flags |= BG_NEEDS_TINT;
969	}
970
971	bool
972	rxvt_term::bg_set_tint (rxvt_color &new_tint)
973	{
974	if (!(bg_flags & BG_TINT_SET) || tint != new_tint)
975	{
976	tint = new_tint;
977	bg_flags |= BG_TINT_SET;	712	bg_flags &= ~BG_TINT_BITAND;
978	set_tint_shade_flags ();	713
979	return true;	714	return true;
980	}	715	}
981		716
982	return false;	717	return false;
983	}	718	}
984		719
985	bool	720	bool
986	rxvt_term::bg_set_shade (const char *shade_str)	721	rxvt_term::bg_set_shade (const char *shade_str)
987	{	722	{
988	int new_shade = (shade_str) ? atoi (shade_str) : 100;	723	int new_shade = atoi (shade_str);
989		724
990	clamp_it (new_shade, -100, 200);	725	clamp_it (new_shade, -100, 200);
991	if (new_shade < 0)	726	if (new_shade < 0)
992	new_shade = 200 - (100 + new_shade);	727	new_shade = 200 - (100 + new_shade);
993		728
994	if (new_shade != shade)	729	if (new_shade != shade)
995	{	730	{
996	shade = new_shade;	731	shade = new_shade;
997	set_tint_shade_flags ();
998	return true;	732	return true;
999	}	733	}
1000		734
1001	return false;	735	return false;
1002	}	736	}
…		…
1023	params[i+2] = XDoubleToFixed (kernel[i] / sum);	757	params[i+2] = XDoubleToFixed (kernel[i] / sum);
1024	}	758	}
1025	#endif	759	#endif
1026		760
1027	bool	761	bool
1028	rxvt_term::blur_pixmap (Pixmap pixmap, Visual *visual, int width, int height)	762	rxvt_term::blur_pixmap (Pixmap pixmap, int width, int height)
1029	{	763	{
1030	bool ret = false;	764	bool ret = false;
1031	#if XRENDER	765	#if XRENDER
		766	if (!(bg_flags & BG_HAS_RENDER_CONV))
		767	return false;
		768
1032	int size = max (h_blurRadius, v_blurRadius) * 2 + 1;	769	int size = max (h_blurRadius, v_blurRadius) * 2 + 1;
1033	double *kernel = (double *)malloc (size * sizeof (double));	770	double *kernel = (double *)malloc (size * sizeof (double));
1034	XFixed *params = (XFixed *)malloc ((size + 2) * sizeof (XFixed));	771	XFixed *params = (XFixed *)malloc ((size + 2) * sizeof (XFixed));
1035		772
1036	XRenderPictureAttributes pa;	773	XRenderPictureAttributes pa;
1037	XRenderPictFormat *format = XRenderFindVisualFormat (dpy, visual);	774	XRenderPictFormat *format = XRenderFindVisualFormat (dpy, visual);
1038		775
		776	pa.repeat = RepeatPad;
1039	Picture src = XRenderCreatePicture (dpy, pixmap, format, 0, &pa);	777	Picture src = XRenderCreatePicture (dpy, pixmap, format, CPRepeat, &pa);
		778	Pixmap tmp = XCreatePixmap (dpy, pixmap, width, height, depth);
1040	Picture dst = XRenderCreatePicture (dpy, pixmap, format, 0, &pa);	779	Picture dst = XRenderCreatePicture (dpy, tmp, format, CPRepeat, &pa);
		780	XFreePixmap (dpy, tmp);
1041		781
1042	if (kernel && params)	782	if (kernel && params)
1043	{	783	{
1044	if (h_blurRadius)
1045	{
1046	size = h_blurRadius * 2 + 1;	784	size = h_blurRadius * 2 + 1;
1047	get_gaussian_kernel (h_blurRadius, size, kernel, params);	785	get_gaussian_kernel (h_blurRadius, size, kernel, params);
1048		786
1049	XRenderSetPictureFilter (dpy, src, FilterConvolution, params, size+2);	787	XRenderSetPictureFilter (dpy, src, FilterConvolution, params, size+2);
1050	XRenderComposite (dpy,	788	XRenderComposite (dpy,
1051	PictOpSrc,	789	PictOpSrc,
1052	src,	790	src,
1053	None,	791	None,
1054	dst,	792	dst,
1055	0, 0,	793	0, 0,
1056	0, 0,	794	0, 0,
1057	0, 0,	795	0, 0,
1058	width, height);	796	width, height);
1059	}
1060		797
1061	if (v_blurRadius)	798	::swap (src, dst);
1062	{	799
1063	size = v_blurRadius * 2 + 1;	800	size = v_blurRadius * 2 + 1;
1064	get_gaussian_kernel (v_blurRadius, size, kernel, params);	801	get_gaussian_kernel (v_blurRadius, size, kernel, params);
1065	::swap (params[0], params[1]);	802	::swap (params[0], params[1]);
1066		803
1067	XRenderSetPictureFilter (dpy, src, FilterConvolution, params, size+2);	804	XRenderSetPictureFilter (dpy, src, FilterConvolution, params, size+2);
1068	XRenderComposite (dpy,	805	XRenderComposite (dpy,
1069	PictOpSrc,	806	PictOpSrc,
1070	src,	807	src,
1071	None,	808	None,
1072	dst,	809	dst,
1073	0, 0,	810	0, 0,
1074	0, 0,	811	0, 0,
1075	0, 0,	812	0, 0,
1076	width, height);	813	width, height);
1077	}
1078		814
1079	ret = true;	815	ret = true;
1080	}	816	}
1081		817
1082	free (kernel);	818	free (kernel);
…		…
1086	#endif	822	#endif
1087	return ret;	823	return ret;
1088	}	824	}
1089		825
1090	bool	826	bool
1091	rxvt_term::tint_pixmap (Pixmap pixmap, Visual *visual, int width, int height)	827	rxvt_term::tint_pixmap (Pixmap pixmap, int width, int height)
1092	{	828	{
1093	bool ret = false;	829	bool ret = false;
1094		830
1095	if (bg_flags & BG_TINT_BITAND)	831	if (shade == 100 && (bg_flags & BG_TINT_BITAND))
1096	{	832	{
1097	XGCValues gcv;	833	XGCValues gcv;
1098	GC gc;	834	GC gc;
1099		835
1100	/* In this case we can tint image server-side getting significant	836	/* In this case we can tint image server-side getting significant
…		…
1109	XFillRectangle (dpy, pixmap, gc, 0, 0, width, height);	845	XFillRectangle (dpy, pixmap, gc, 0, 0, width, height);
1110	ret = true;	846	ret = true;
1111	XFreeGC (dpy, gc);	847	XFreeGC (dpy, gc);
1112	}	848	}
1113	}	849	}
1114	else
1115	{
1116	# if XRENDER	850	# if XRENDER
		851	else if (bg_flags & BG_HAS_RENDER)
		852	{
1117	rgba c (rgba::MAX_CC, rgba::MAX_CC, rgba::MAX_CC);	853	rgba c (rgba::MAX_CC, rgba::MAX_CC, rgba::MAX_CC);
1118		854
1119	if (bg_flags & BG_TINT_SET)	855	if (bg_flags & BG_TINT_SET)
1120	tint.get (c);	856	tint.get (c);
1121		857
…		…
1130	c.r = c.r * (200 - shade) / 100;	866	c.r = c.r * (200 - shade) / 100;
1131	c.g = c.g * (200 - shade) / 100;	867	c.g = c.g * (200 - shade) / 100;
1132	c.b = c.b * (200 - shade) / 100;	868	c.b = c.b * (200 - shade) / 100;
1133	}	869	}
1134		870
1135	XRenderPictFormat *solid_format = XRenderFindStandardFormat (dpy, PictStandardARGB32);
1136	XRenderPictFormat *format = XRenderFindVisualFormat (dpy, visual);	871	XRenderPictFormat *format = XRenderFindVisualFormat (dpy, visual);
1137	XRenderPictureAttributes pa;
1138		872
1139	Picture back_pic = XRenderCreatePicture (dpy, pixmap, format, 0, &pa);	873	Picture back_pic = XRenderCreatePicture (dpy, pixmap, format, 0, 0);
1140		874
1141	pa.repeat = True;	875	Picture overlay_pic = create_xrender_mask (dpy, pixmap, True, False);
1142		876
1143	Pixmap overlay_pmap = XCreatePixmap (dpy, pixmap, 1, 1, 32);	877	Picture mask_pic = create_xrender_mask (dpy, pixmap, True, True);
1144	Picture overlay_pic = XRenderCreatePicture (dpy, overlay_pmap, solid_format, CPRepeat, &pa);
1145	XFreePixmap (dpy, overlay_pmap);
1146
1147	pa.component_alpha = True;
1148	Pixmap mask_pmap = XCreatePixmap (dpy, pixmap, 1, 1, 32);
1149	Picture mask_pic = XRenderCreatePicture (dpy, mask_pmap, solid_format, CPRepeat | CPComponentAlpha, &pa);
1150	XFreePixmap (dpy, mask_pmap);
1151		878
1152	XRenderColor mask_c;	879	XRenderColor mask_c;
1153		880
1154	mask_c.alpha = 0xffff;	881	mask_c.alpha = 0xffff;
1155	mask_c.red =	882	mask_c.red =
…		…
1160	mask_c.alpha = 0;	887	mask_c.alpha = 0;
1161	mask_c.red = 0xffff - c.r;	888	mask_c.red = 0xffff - c.r;
1162	mask_c.green = 0xffff - c.g;	889	mask_c.green = 0xffff - c.g;
1163	mask_c.blue = 0xffff - c.b;	890	mask_c.blue = 0xffff - c.b;
1164	XRenderFillRectangle (dpy, PictOpSrc, mask_pic, &mask_c, 0, 0, 1, 1);	891	XRenderFillRectangle (dpy, PictOpSrc, mask_pic, &mask_c, 0, 0, 1, 1);
		892
1165	XRenderComposite (dpy, PictOpOver, overlay_pic, mask_pic, back_pic, 0, 0, 0, 0, 0, 0, width, height);	893	XRenderComposite (dpy, PictOpOver, overlay_pic, mask_pic, back_pic, 0, 0, 0, 0, 0, 0, width, height);
1166		894
1167	if (shade > 100)	895	if (shade > 100)
1168	{	896	{
1169	mask_c.red = mask_c.green = mask_c.blue = 0xffff * (shade - 100) / 100;
1170	mask_c.alpha = 0;	897	mask_c.alpha = 0;
		898	mask_c.red =
		899	mask_c.green =
		900	mask_c.blue = 0xffff * (shade - 100) / 100;
1171	XRenderFillRectangle (dpy, PictOpSrc, overlay_pic, &mask_c, 0, 0, 1, 1);	901	XRenderFillRectangle (dpy, PictOpSrc, overlay_pic, &mask_c, 0, 0, 1, 1);
1172		902
1173	XRenderComposite (dpy, PictOpOver, overlay_pic, None, back_pic, 0, 0, 0, 0, 0, 0, width, height);	903	XRenderComposite (dpy, PictOpOver, overlay_pic, None, back_pic, 0, 0, 0, 0, 0, 0, width, height);
1174	}	904	}
1175		905
1176	ret = true;	906	ret = true;
1177		907
1178	XRenderFreePicture (dpy, mask_pic);	908	XRenderFreePicture (dpy, mask_pic);
1179	XRenderFreePicture (dpy, overlay_pic);	909	XRenderFreePicture (dpy, overlay_pic);
1180	XRenderFreePicture (dpy, back_pic);	910	XRenderFreePicture (dpy, back_pic);
		911	}
1181	# endif	912	# endif
1182	}
1183		913
1184	return ret;	914	return ret;
1185	}	915	}
1186		916
1187	/*	917	/*
1188	* Builds a pixmap of the same size as the terminal window that contains	918	* 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	919	* the tiled portion of the root pixmap that is supposed to be covered by
1190	* our window.	920	* our window.
1191	*/	921	*/
1192	unsigned long	922	bool
1193	rxvt_term::make_transparency_pixmap ()	923	rxvt_term::make_transparency_pixmap ()
1194	{	924	{
1195	unsigned long result = 0;	925	bool ret = false;
1196		926
1197	/* root dimensions may change from call to call - but Display structure should	927	/* root dimensions may change from call to call - but Display structure should
1198	* be always up-to-date, so let's use it :	928	* be always up-to-date, so let's use it :
1199	*/	929	*/
1200	int screen = display->screen;	930	int screen = display->screen;
…		…
1238	#if XRENDER	968	#if XRENDER
1239	if (bg_flags & BG_HAS_RENDER)	969	if (bg_flags & BG_HAS_RENDER)
1240	{	970	{
1241	recoded_root_pmap = XCreatePixmap (dpy, vt, root_pmap_width, root_pmap_height, depth);	971	recoded_root_pmap = XCreatePixmap (dpy, vt, root_pmap_width, root_pmap_height, depth);
1242		972
1243	XRenderPictureAttributes pa;
1244
1245	XRenderPictFormat *src_format = XRenderFindVisualFormat (dpy, DefaultVisual (dpy, screen));	973	XRenderPictFormat *src_format = XRenderFindVisualFormat (dpy, DefaultVisual (dpy, screen));
1246	Picture src = XRenderCreatePicture (dpy, root_pixmap, src_format, 0, &pa);	974	Picture src = XRenderCreatePicture (dpy, root_pixmap, src_format, 0, 0);
1247		975
1248	XRenderPictFormat *dst_format = XRenderFindVisualFormat (dpy, visual);	976	XRenderPictFormat *dst_format = XRenderFindVisualFormat (dpy, visual);
1249	Picture dst = XRenderCreatePicture (dpy, recoded_root_pmap, dst_format, 0, &pa);	977	Picture dst = XRenderCreatePicture (dpy, recoded_root_pmap, dst_format, 0, 0);
1250		978
1251	XRenderComposite (dpy, PictOpSrc, src, None, dst, 0, 0, 0, 0, 0, 0, root_pmap_width, root_pmap_height);	979	XRenderComposite (dpy, PictOpSrc, src, None, dst, 0, 0, 0, 0, 0, 0, root_pmap_width, root_pmap_height);
1252		980
1253	XRenderFreePicture (dpy, src);	981	XRenderFreePicture (dpy, src);
1254	XRenderFreePicture (dpy, dst);	982	XRenderFreePicture (dpy, dst);
…		…
1271	bg_pmap_width = window_width;	999	bg_pmap_width = window_width;
1272	bg_pmap_height = window_height;	1000	bg_pmap_height = window_height;
1273	}	1001	}
1274		1002
1275	/* straightforward pixmap copy */	1003	/* straightforward pixmap copy */
1276	while (sx < 0) sx += root_width;	1004	while (sx < 0) sx += root_pmap_width;
1277	while (sy < 0) sy += root_height;	1005	while (sy < 0) sy += root_pmap_height;
1278		1006
1279	gcv.tile = recoded_root_pmap;	1007	gcv.tile = recoded_root_pmap;
1280	gcv.fill_style = FillTiled;	1008	gcv.fill_style = FillTiled;
1281	gcv.ts_x_origin = -sx;	1009	gcv.ts_x_origin = -sx;
1282	gcv.ts_y_origin = -sy;	1010	gcv.ts_y_origin = -sy;
1283	gc = XCreateGC (dpy, vt, GCFillStyle | GCTile | GCTileStipXOrigin | GCTileStipYOrigin, &gcv);	1011	gc = XCreateGC (dpy, vt, GCFillStyle | GCTile | GCTileStipXOrigin | GCTileStipYOrigin, &gcv);
1284		1012
1285	if (gc)	1013	if (gc)
1286	{	1014	{
1287	XFillRectangle (dpy, bg_pixmap, gc, 0, 0, window_width, window_height);	1015	XFillRectangle (dpy, bg_pixmap, gc, 0, 0, window_width, window_height);
1288	result |= BG_IS_VALID | (bg_flags & BG_EFFECTS_FLAGS);	1016	ret = true;
		1017	bool need_blur = h_blurRadius && v_blurRadius;
		1018	bool need_tint = shade != 100 || (bg_flags & BG_TINT_SET);
		1019
		1020	if (!(bg_flags & BG_CLIENT_RENDER))
		1021	{
		1022	if (need_blur)
		1023	{
		1024	if (blur_pixmap (bg_pixmap, window_width, window_height))
		1025	need_blur = false;
		1026	}
		1027	if (need_tint)
		1028	{
		1029	if (tint_pixmap (bg_pixmap, window_width, window_height))
		1030	need_tint = false;
		1031	}
		1032	if (need_tint)
		1033	{
		1034	XImage *ximage = XGetImage (dpy, bg_pixmap, 0, 0, bg_pmap_width, bg_pmap_height, AllPlanes, ZPixmap);
		1035	if (ximage)
		1036	{
		1037	/* our own client-side tinting */
		1038	tint_ximage (ximage);
		1039
		1040	XPutImage (dpy, bg_pixmap, gc, ximage, 0, 0, 0, 0, ximage->width, ximage->height);
		1041	XDestroyImage (ximage);
		1042	}
		1043	}
		1044	} /* server side rendering completed */
		1045
1289	XFreeGC (dpy, gc);	1046	XFreeGC (dpy, gc);
1290
1291	if (!(bg_flags & BG_CLIENT_RENDER))
1292	{
1293	if ((bg_flags & BG_NEEDS_BLUR)
1294	&& (bg_flags & BG_HAS_RENDER_CONV))
1295	{
1296	if (blur_pixmap (bg_pixmap, visual, window_width, window_height))
1297	result &= ~BG_NEEDS_BLUR;
1298	}
1299	if ((bg_flags & BG_NEEDS_TINT)
1300	&& (bg_flags & (BG_TINT_BITAND | BG_HAS_RENDER)))
1301	{
1302	if (tint_pixmap (bg_pixmap, visual, window_width, window_height))
1303	result &= ~BG_NEEDS_TINT;
1304	}
1305	} /* server side rendering completed */
1306	}	1047	}
1307		1048
1308	if (recoded_root_pmap != root_pixmap)	1049	if (recoded_root_pmap != root_pixmap)
1309	XFreePixmap (dpy, recoded_root_pmap);	1050	XFreePixmap (dpy, recoded_root_pmap);
1310		1051
1311	return result;	1052	return ret;
1312	}	1053	}
1313		1054
1314	void	1055	void
1315	rxvt_term::bg_set_root_pixmap ()	1056	rxvt_term::bg_set_root_pixmap ()
1316	{	1057	{
…		…
1320		1061
1321	root_pixmap = new_root_pixmap;	1062	root_pixmap = new_root_pixmap;
1322	}	1063	}
1323	# endif /* ENABLE_TRANSPARENCY */	1064	# endif /* ENABLE_TRANSPARENCY */
1324		1065
1325	#if defined(ENABLE_TRANSPARENCY) && !defined(HAVE_AFTERIMAGE)
1326	static void shade_ximage (Visual *visual, XImage *ximage, int shade, const rgba &c);
1327	# endif
1328
1329	bool	1066	bool
1330	rxvt_term::bg_render ()	1067	rxvt_term::bg_render ()
1331	{	1068	{
1332	unsigned long tr_flags = 0;	1069	bool transparent = false;
1333		1070
1334	bg_invalidate ();	1071	bg_invalidate ();
1335	# ifdef ENABLE_TRANSPARENCY	1072	# ifdef ENABLE_TRANSPARENCY
1336	if (bg_flags & BG_IS_TRANSPARENT)	1073	if (bg_flags & BG_IS_TRANSPARENT)
1337	{	1074	{
1338	/* we need to re-generate transparency pixmap in that case ! */	1075	/* we need to re-generate transparency pixmap in that case ! */
1339	tr_flags = make_transparency_pixmap ();	1076	transparent = make_transparency_pixmap ();
1340	if (tr_flags == 0)	1077	if (transparent)
1341	return false;
1342	else if (!(tr_flags & BG_EFFECTS_FLAGS))
1343	bg_flags |= BG_IS_VALID;	1078	bg_flags |= BG_IS_VALID;
1344	}	1079	}
1345	# endif	1080	# endif
1346		1081
1347	# ifdef BG_IMAGE_FROM_FILE	1082	# ifdef BG_IMAGE_FROM_FILE
1348	if ((bg_flags & BG_IS_FROM_FILE)	1083	if (bg_image.flags & IM_IS_SET)
1349	|| (tr_flags & BG_EFFECTS_FLAGS))
1350	{	1084	{
1351	if (render_image (tr_flags))	1085	if (render_image (bg_image, transparent))
1352	bg_flags |= BG_IS_VALID;	1086	bg_flags |= BG_IS_VALID;
1353	}
1354	# endif
1355
1356	# if defined(ENABLE_TRANSPARENCY) && !defined(HAVE_AFTERIMAGE)
1357	XImage *result = NULL;
1358
1359	if (tr_flags && !(bg_flags & BG_IS_VALID))
1360	{
1361	result = XGetImage (dpy, bg_pixmap, 0, 0, bg_pmap_width, bg_pmap_height, AllPlanes, ZPixmap);
1362	}
1363
1364	if (result)
1365	{
1366	/* our own client-side tinting */
1367	if (tr_flags & BG_NEEDS_TINT)
1368	{
1369	rgba c (rgba::MAX_CC,rgba::MAX_CC,rgba::MAX_CC);
1370	if (bg_flags & BG_TINT_SET)
1371	tint.get (c);
1372	shade_ximage (DefaultVisual (dpy, display->screen), result, shade, c);
1373	}
1374
1375	GC gc = XCreateGC (dpy, vt, 0UL, NULL);
1376
1377	if (gc)
1378	{
1379	XPutImage (dpy, bg_pixmap, gc, result, 0, 0, 0, 0, result->width, result->height);
1380
1381	XFreeGC (dpy, gc);
1382	bg_flags |= BG_IS_VALID;
1383	}
1384
1385	XDestroyImage (result);
1386	}	1087	}
1387	# endif	1088	# endif
1388		1089
1389	if (!(bg_flags & BG_IS_VALID))	1090	if (!(bg_flags & BG_IS_VALID))
1390	{	1091	{
…		…
1427	#endif	1128	#endif
1428	}	1129	}
1429		1130
1430	#endif /* HAVE_BG_PIXMAP */	1131	#endif /* HAVE_BG_PIXMAP */
1431		1132
1432	#if defined(ENABLE_TRANSPARENCY) && !defined(HAVE_AFTERIMAGE)	1133	#ifdef ENABLE_TRANSPARENCY
1433	/* taken from aterm-0.4.2 */	1134	/* based on code from aterm-0.4.2 */
1434		1135
1435	static void	1136	static inline void
1436	shade_ximage (Visual *visual, XImage *ximage, int shade, const rgba &c)	1137	fill_lut (uint32_t *lookup, uint32_t mask, int sh, unsigned short low, unsigned short high)
1437	{	1138	{
		1139	for (int i = 0; i <= mask >> sh; i++)
		1140	{
		1141	uint32_t tmp;
		1142	tmp = i * high;
		1143	tmp += (mask >> sh) * low;
		1144	lookup[i] = (tmp / 0xffff) << sh;
		1145	}
		1146	}
		1147
		1148	void
		1149	rxvt_term::tint_ximage (XImage *ximage)
		1150	{
		1151	unsigned int size_r, size_g, size_b;
1438	int sh_r, sh_g, sh_b;	1152	int sh_r, sh_g, sh_b;
1439	uint32_t mask_r, mask_g, mask_b;	1153	uint32_t mask_r, mask_g, mask_b;
1440	uint32_t *lookup, *lookup_r, *lookup_g, *lookup_b;	1154	uint32_t *lookup, *lookup_r, *lookup_g, *lookup_b;
1441	rgba low;	1155	unsigned short low;
1442	rgba high;
1443	int i;
1444	int host_byte_order = ecb_big_endian () ? MSBFirst : LSBFirst;	1156	int host_byte_order = ecb_big_endian () ? MSBFirst : LSBFirst;
1445		1157
1446	if (visual->c_class != TrueColor || ximage->format != ZPixmap) return;	1158	if (visual->c_class != TrueColor || ximage->format != ZPixmap) return;
1447		1159
1448	/* for convenience */	1160	/* for convenience */
1449	mask_r = visual->red_mask;	1161	mask_r = visual->red_mask;
1450	mask_g = visual->green_mask;	1162	mask_g = visual->green_mask;
1451	mask_b = visual->blue_mask;	1163	mask_b = visual->blue_mask;
1452		1164
1453	/* boring lookup table pre-initialization */	1165	/* boring lookup table pre-initialization */
1454	switch (ximage->depth)	1166	sh_r = ecb_ctz32 (mask_r);
1455	{	1167	sh_g = ecb_ctz32 (mask_g);
1456	case 15:	1168	sh_b = ecb_ctz32 (mask_b);
1457	if ((mask_r != 0x7c00) ||	1169
1458	(mask_g != 0x03e0) ||	1170	size_r = mask_r >> sh_r;
1459	(mask_b != 0x001f))	1171	size_g = mask_g >> sh_g;
		1172	size_b = mask_b >> sh_b;
		1173
		1174	if (size_r++ > 255 || size_g++ > 255 || size_b++ > 255)
1460	return;	1175	return;
1461	lookup = (uint32_t *) malloc (sizeof (uint32_t)*(32+32+32));	1176
		1177	lookup = (uint32_t *)malloc (sizeof (uint32_t) * (size_r + size_g + size_b));
1462	lookup_r = lookup;	1178	lookup_r = lookup;
1463	lookup_g = lookup+32;	1179	lookup_g = lookup + size_r;
1464	lookup_b = lookup+32+32;	1180	lookup_b = lookup + size_r + size_g;
1465	sh_r = 10;	1181
1466	sh_g = 5;	1182	rgba c (rgba::MAX_CC, rgba::MAX_CC, rgba::MAX_CC);
1467	sh_b = 0;	1183
1468	break;	1184	if (bg_flags & BG_TINT_SET)
1469	case 16:	1185	tint.get (c);
1470	if ((mask_r != 0xf800) ||
1471	(mask_g != 0x07e0) ||
1472	(mask_b != 0x001f))
1473	return;
1474	lookup = (uint32_t *) malloc (sizeof (uint32_t)*(32+64+32));
1475	lookup_r = lookup;
1476	lookup_g = lookup+32;
1477	lookup_b = lookup+32+64;
1478	sh_r = 11;
1479	sh_g = 5;
1480	sh_b = 0;
1481	break;
1482	case 24:
1483	if ((mask_r != 0xff0000) ||
1484	(mask_g != 0x00ff00) ||
1485	(mask_b != 0x0000ff))
1486	return;
1487	lookup = (uint32_t *) malloc (sizeof (uint32_t)*(256+256+256));
1488	lookup_r = lookup;
1489	lookup_g = lookup+256;
1490	lookup_b = lookup+256+256;
1491	sh_r = 16;
1492	sh_g = 8;
1493	sh_b = 0;
1494	break;
1495	case 32:
1496	if ((mask_r != 0xff0000) ||
1497	(mask_g != 0x00ff00) ||
1498	(mask_b != 0x0000ff))
1499	return;
1500	lookup = (uint32_t *) malloc (sizeof (uint32_t)*(256+256+256));
1501	lookup_r = lookup;
1502	lookup_g = lookup+256;
1503	lookup_b = lookup+256+256;
1504	sh_r = 16;
1505	sh_g = 8;
1506	sh_b = 0;
1507	break;
1508	default:
1509	return; /* we do not support this color depth */
1510	}
1511		1186
1512	/* prepare limits for color transformation (each channel is handled separately) */	1187	/* prepare limits for color transformation (each channel is handled separately) */
1513	if (shade > 100)	1188	if (shade > 100)
1514	{	1189	{
1515	shade = 200 - shade;
1516
1517	high.r = c.r * shade / 100;
1518	high.g = c.g * shade / 100;
1519	high.b = c.b * shade / 100;
1520
1521	low.r = 65535 * (100 - shade) / 100;	1190	c.r = c.r * (200 - shade) / 100;
1522	low.g = 65535 * (100 - shade) / 100;	1191	c.g = c.g * (200 - shade) / 100;
1523	low.b = 65535 * (100 - shade) / 100;	1192	c.b = c.b * (200 - shade) / 100;
		1193
		1194	low = 0xffff * (shade - 100) / 100;
1524	}	1195	}
1525	else	1196	else
1526	{	1197	{
1527	high.r = c.r * shade / 100;	1198	c.r = c.r * shade / 100;
1528	high.g = c.g * shade / 100;	1199	c.g = c.g * shade / 100;
1529	high.b = c.b * shade / 100;	1200	c.b = c.b * shade / 100;
1530		1201
1531	low.r = low.g = low.b = 0;	1202	low = 0;
1532	}	1203	}
1533		1204
1534	/* fill our lookup tables */	1205	/* fill our lookup tables */
1535	for (i = 0; i <= mask_r>>sh_r; i++)	1206	fill_lut (lookup_r, mask_r, sh_r, low, c.r);
1536	{	1207	fill_lut (lookup_g, mask_g, sh_g, low, c.g);
1537	uint32_t tmp;	1208	fill_lut (lookup_b, mask_b, sh_b, low, c.b);
1538	tmp = i * high.r;
1539	tmp += (mask_r>>sh_r) * low.r;
1540	lookup_r[i] = (tmp/65535)<<sh_r;
1541	}
1542	for (i = 0; i <= mask_g>>sh_g; i++)
1543	{
1544	uint32_t tmp;
1545	tmp = i * high.g;
1546	tmp += (mask_g>>sh_g) * low.g;
1547	lookup_g[i] = (tmp/65535)<<sh_g;
1548	}
1549	for (i = 0; i <= mask_b>>sh_b; i++)
1550	{
1551	uint32_t tmp;
1552	tmp = i * high.b;
1553	tmp += (mask_b>>sh_b) * low.b;
1554	lookup_b[i] = (tmp/65535)<<sh_b;
1555	}
1556		1209
1557	/* apply table to input image (replacing colors by newly calculated ones) */	1210	/* apply table to input image (replacing colors by newly calculated ones) */
1558	if (ximage->bits_per_pixel == 32	1211	if (ximage->bits_per_pixel == 32
1559	&& (ximage->depth == 24 || ximage->depth == 32)
1560	&& ximage->byte_order == host_byte_order)	1212	&& ximage->byte_order == host_byte_order)
1561	{	1213	{
1562	uint32_t *p1, *pf, *p, *pl;	1214	char *line = ximage->data;
1563	p1 = (uint32_t *) ximage->data;
1564	pf = (uint32_t *) (ximage->data + ximage->height * ximage->bytes_per_line);
1565		1215
1566	while (p1 < pf)	1216	for (int y = 0; y < ximage->height; y++)
1567	{
1568	p = p1;
1569	pl = p1 + ximage->width;
1570	for (; p < pl; p++)
1571	{	1217	{
1572	*p = lookup_r[(*p & 0xff0000) >> 16] |	1218	uint32_t *p = (uint32_t *)line;
1573	lookup_g[(*p & 0x00ff00) >> 8] |	1219	for (int x = 0; x < ximage->width; x++)
1574	lookup_b[(*p & 0x0000ff)] |
1575	(*p & 0xff000000);
1576	}	1220	{
1577	p1 = (uint32_t *) ((char *) p1 + ximage->bytes_per_line);	1221	*p = lookup_r[(*p & mask_r) >> sh_r] |
		1222	lookup_g[(*p & mask_g) >> sh_g] |
		1223	lookup_b[(*p & mask_b) >> sh_b];
		1224	p++;
		1225	}
		1226	line += ximage->bytes_per_line;
1578	}	1227	}
1579	}	1228	}
1580	else	1229	else
1581	{	1230	{
1582	for (int y = 0; y < ximage->height; y++)	1231	for (int y = 0; y < ximage->height; y++)
…		…
1590	}	1239	}
1591	}	1240	}
1592		1241
1593	free (lookup);	1242	free (lookup);
1594	}	1243	}
1595	#endif /* defined(ENABLE_TRANSPARENCY) && !defined(HAVE_AFTERIMAGE) */	1244	#endif /* ENABLE_TRANSPARENCY */

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