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Comparing rxvt-unicode/src/background.C (file contents):
Revision 1.158 by sf-exg, Wed Aug 10 07:28:36 2011 UTC vs.
Revision 1.216 by sf-exg, Sun May 20 16:23:42 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	* scale Scale both up and down
58	*/
59		40
60	#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
61	void	60	void
62	rxvt_term::bg_destroy ()	61	rxvt_term::bg_destroy ()
63	{	62	{
64	#ifdef HAVE_AFTERIMAGE
65	if (original_asim)
66	safe_asimage_destroy (original_asim);
67	if (asv)
68	destroy_asvisual (asv, 0);
69	if (asimman)
70	destroy_image_manager (asimman, 0);
71	#endif
72
73	#ifdef HAVE_PIXBUF
74	if (pixbuf)
75	g_object_unref (pixbuf);
76	#endif
77
78	if (bg_pixmap)	63	if (bg_pixmap)
79	XFreePixmap (dpy, bg_pixmap);	64	XFreePixmap (dpy, bg_pixmap);
80	}	65	}
81		66
82	bool	67	bool
…		…
100	if (bg_flags & BG_IS_TRANSPARENT)	85	if (bg_flags & BG_IS_TRANSPARENT)
101	return true;	86	return true;
102	# endif	87	# endif
103		88
104	# ifdef BG_IMAGE_FROM_FILE	89	# ifdef BG_IMAGE_FROM_FILE
105	if (bg_flags & BG_IS_FROM_FILE)	90	if (bg_image.flags & IM_IS_SET)
106	{	91	{
107	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)
108	return true;	95	return true;
109	}	96	}
110	# endif	97	# endif
111		98
112	return false;	99	return false;
…		…
119	if (bg_flags & BG_IS_TRANSPARENT)	106	if (bg_flags & BG_IS_TRANSPARENT)
120	return true;	107	return true;
121	# endif	108	# endif
122		109
123	# ifdef BG_IMAGE_FROM_FILE	110	# ifdef BG_IMAGE_FROM_FILE
124	if (bg_flags & BG_IS_FROM_FILE)	111	if (bg_image.flags & IM_IS_SET)
125	{	112	{
126	if (bg_flags & BG_ROOT_ALIGN)	113	if (bg_image.flags & IM_ROOT_ALIGN)
127	return true;	114	return true;
128	}	115	}
129	# endif	116	# endif
130		117
131	return false;	118	return false;
132	}	119	}
133		120
134	# ifdef BG_IMAGE_FROM_FILE	121	# ifdef BG_IMAGE_FROM_FILE
135	static inline bool
136	check_set_scale_value (int geom_flags, int flag, unsigned int &scale, unsigned int new_value)
137	{
138	if (geom_flags & flag)
139	{
140	if (new_value > 1000)
141	new_value = 1000;
142	if (new_value != scale)
143	{
144	scale = new_value;
145	return true;
146	}
147	}
148	return false;
149	}
150
151	static inline bool
152	check_set_align_value (int geom_flags, int flag, int &align, int new_value)
153	{
154	if (geom_flags & flag)
155	{
156	if (new_value < -100)
157	new_value = -100;
158	else if (new_value > 200)
159	new_value = 200;
160	if (new_value != align)
161	{
162	align = new_value;
163	return true;
164	}
165	}
166	return false;
167	}
168
169	static inline int	122	static inline int
170	make_align_position (int align, int window_size, int image_size)	123	make_align_position (int align, int window_size, int image_size)
171	{	124	{
172	int diff = window_size - image_size;
173	int smaller = min (image_size, window_size);
174
175	if (align >= 0 && align <= 100)	125	if (align >= 0 && align <= 100)
176	return diff * align / 100;	126	return lerp (0, window_size - image_size, align);
177	else if (align > 100 && align <= 200)	127	else if (align > 100)
178	return ((align - 100) * smaller / 100) + window_size - smaller;	128	return lerp (window_size - image_size, window_size, align - 100);
179	else if (align >= -100 && align < 0)	129	else
180	return ((align + 100) * smaller / 100) - image_size;	130	return lerp (-image_size, 0, align + 100);
181	return 0;
182	}	131	}
183		132
184	static inline int	133	static inline int
185	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)
186	{	135	{
…		…
192	src_pos = -pos;	141	src_pos = -pos;
193	dst_pos = 0;	142	dst_pos = 0;
194	dst_size += pos;	143	dst_size += pos;
195	}	144	}
196		145
197	if (dst_pos + dst_size > target_size)
198	dst_size = target_size - dst_pos;	146	min_it (dst_size, target_size - dst_pos);
199	return src_pos;	147	return src_pos;
200	}	148	}
201		149
202	bool	150	bool
203	rxvt_term::bg_set_geometry (const char *geom, bool update)	151	rxvt_image::set_geometry (const char *geom, bool update)
204	{	152	{
205	bool changed = false;	153	bool changed = false;
206	int geom_flags = 0;	154	int geom_flags = 0;
207	int x = 0, y = 0;	155	int x = h_align;
		156	int y = v_align;
208	unsigned int w = 0, h = 0;	157	unsigned int w = h_scale;
209	unsigned int n;	158	unsigned int h = v_scale;
210	unsigned long new_flags = (bg_flags & (~BG_GEOMETRY_FLAGS));	159	unsigned long new_flags = 0;
211	const char *ops;
212		160
213	if (geom == NULL)	161	if (geom == NULL)
214	return false;	162	return false;
215		163
216	char str[256];	164	if (geom[0])
217
218	ops = strchr (geom, ':');
219	if (ops == NULL)
220	n = strlen (geom);
221	else
222	n = ops - geom;
223
224	if (n >= sizeof (str))
225	return false;
226
227	memcpy (str, geom, n);
228	str[n] = '\0';
229	rxvt_strtrim (str);
230
231	if (str[0])
232	{	165	{
233	/* 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
234	geom_flags = XParseGeometry (str, &x, &y, &w, &h);	256	geom_flags |= XParseGeometry (arr[i], &x, &y, &w, &h);
235	} /* done parsing geometry string */	257	} /* done parsing ops */
		258
		259	rxvt_free_strsplit (arr);
		260	}
		261
		262	new_flags |= flags & ~IM_GEOMETRY_FLAGS;
236		263
237	if (!update)	264	if (!update)
238	{	265	{
239	if (!(geom_flags & XValue))	266	if (!(geom_flags & XValue))
240	x = y = defaultAlign;	267	x = y = defaultAlign;
…		…
245	w = h = defaultScale;	272	w = h = defaultScale;
246	else if (!(geom_flags & HeightValue))	273	else if (!(geom_flags & HeightValue))
247	h = w;	274	h = w;
248	else if (!(geom_flags & WidthValue))	275	else if (!(geom_flags & WidthValue))
249	w = h;	276	w = h;
250
251	geom_flags |= WidthValue|HeightValue|XValue|YValue;
252	}
253
254	if (ops)
255	{	277	}
256	char **arr = rxvt_strsplit (':', ops + 1);
257		278
258	for (int i = 0; arr[i]; i++)	279	min_it (w, 1000);
259	{	280	min_it (h, 1000);
260	if (!strcasecmp (arr[i], "tile"))	281	clamp_it (x, -100, 200);
261	{	282	clamp_it (y, -100, 200);
262	new_flags |= BG_TILE;
263	w = h = noScale;
264	geom_flags |= WidthValue|HeightValue;
265	}
266	else if (!strcasecmp (arr[i], "propscale"))
267	{
268	new_flags |= BG_PROP_SCALE;
269	}
270	else if (!strcasecmp (arr[i], "scale"))
271	{
272	if (h == 0) h = windowScale;
273	if (w == 0) w = windowScale;
274		283
275	geom_flags |= WidthValue|HeightValue;	284	if (flags != new_flags
276	}	285	|| h_scale != w
277	else if (!strcasecmp (arr[i], "root"))	286	|| v_scale != h
278	{	287	|| h_align != x
279	new_flags |= BG_TILE|BG_ROOT_ALIGN;	288	|| v_align != y)
280	w = h = noScale;
281	geom_flags |= WidthValue|HeightValue;
282	}
283	} /* done parsing ops */
284
285	rxvt_free_strsplit (arr);
286	}	289	{
287
288	if (check_set_scale_value (geom_flags, WidthValue, h_scale, w)) changed = true;
289	if (check_set_scale_value (geom_flags, HeightValue, v_scale, h)) changed = true;
290	if (check_set_align_value (geom_flags, XValue, h_align, x)) changed = true;
291	if (check_set_align_value (geom_flags, YValue, v_align, y)) changed = true;
292
293	if (new_flags != bg_flags)
294	{
295	bg_flags = new_flags;	290	flags = new_flags;
		291	h_scale = w;
		292	v_scale = h;
		293	h_align = x;
		294	v_align = y;
296	changed = true;	295	changed = true;
297	}	296	}
298		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
299	return changed;	305	return changed;
300	}	306	}
301		307
302	void	308	void
303	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)
304	{	310	{
		311	int image_width = image.width ();
		312	int image_height = image.height ();
305	int target_width = szHint.width;	313	int target_width = szHint.width;
306	int target_height = szHint.height;	314	int target_height = szHint.height;
307		315
308	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)
309	{	320	{
310	float scale = (float)target_width / image_width;	321	float scale = (float)w / image_width;
311	min_it (scale, (float)target_height / image_height);	322	min_it (scale, (float)h / image_height);
312	w = image_width * scale + 0.5;	323	w = image_width * scale + 0.5;
313	h = image_height * scale + 0.5;	324	h = image_height * scale + 0.5;
314	}	325	}
315	else
316	{
317	w = h_scale * target_width / 100;
318	h = v_scale * target_height / 100;
319	}
320		326
321	if (!w) w = image_width;	327	if (!w) w = image_width;
322	if (!h) h = image_height;	328	if (!h) h = image_height;
323		329
324	if (bg_flags & BG_ROOT_ALIGN)	330	if (image.flags & IM_ROOT_ALIGN)
325	{	331	{
326	x = -target_x;	332	x = -target_x;
327	y = -target_y;	333	y = -target_y;
328	}	334	}
329	else	335	else
330	{	336	{
331	x = make_align_position (h_align, target_width, w);	337	x = make_align_position (image.h_align, target_width, w);
332	y = make_align_position (v_align, target_height, h);	338	y = make_align_position (image.v_align, target_height, h);
333	}
334
335	bg_flags &= ~BG_IS_SIZE_SENSITIVE;
336	if (!(bg_flags & BG_TILE)
337	|| (bg_flags & BG_PROP_SCALE) || h_scale || v_scale
338	|| (!(bg_flags & BG_ROOT_ALIGN) && (h_align || v_align))
339	|| w > target_width || h > target_height)
340	bg_flags |= BG_IS_SIZE_SENSITIVE;
341	}
342
343	# ifdef HAVE_AFTERIMAGE
344	bool
345	rxvt_term::render_image (unsigned long tr_flags)
346	{
347	init_asv ();
348
349	ASImage *background = NULL;
350	ARGB32 background_tint = TINT_LEAVE_SAME;
351
352	# ifdef ENABLE_TRANSPARENCY
353	if (tr_flags)
354	background = pixmap2ximage (asv, bg_pixmap, 0, 0, bg_pmap_width, bg_pmap_height, AllPlanes, 100);
355
356	if (tr_flags & BG_NEEDS_TINT)
357	{	339	}
358	ShadingInfo as_shade;	340	}
359	as_shade.shading = shade;
360		341
361	rgba c (rgba::MAX_CC,rgba::MAX_CC,rgba::MAX_CC);	342	# ifdef HAVE_PIXBUF
362	if (bg_flags & BG_TINT_SET)	343	bool
363	tint.get (c);	344	rxvt_term::pixbuf_to_pixmap (GdkPixbuf *pixbuf, Pixmap pixmap, GC gc,
364	as_shade.tintColor.red = c.r;	345	int src_x, int src_y, int dst_x, int dst_y,
365	as_shade.tintColor.green = c.g;	346	unsigned int width, unsigned int height)
366	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;
367		356
368	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)))
369	}	391	{
370		392	XDestroyImage (ximage);
371	if ((tr_flags & BG_NEEDS_BLUR) && background != NULL)	393	return false;
372	{	394	}
373	ASImage *tmp = blur_asimage_gauss (asv, background, h_blurRadius, v_blurRadius, 0xFFFFFFFF,	395
374	(original_asim == NULL || tint == TINT_LEAVE_SAME) ? ASA_XImage : ASA_ASImage,	396	ximage->byte_order = ecb_big_endian () ? MSBFirst : LSBFirst;
375	100, ASIMAGE_QUALITY_DEFAULT);	397
376	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)
377	{	422	{
378	destroy_asimage (&background);	423	a = pixel[3];
379	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);
380	}	445	}
381	}
382	# endif
383		446
384	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)
		458	{
		459	GdkPixbuf *pixbuf = image.pixbuf;
		460	if (!pixbuf)
		461	return false;
		462
		463	bool need_blend = bg_flags & BG_IS_VALID;
		464
		465	if (need_blend
		466	&& !(bg_flags & BG_HAS_RENDER))
		467	return false;
		468
		469	GdkPixbuf *result;
		470
		471	int image_width = gdk_pixbuf_get_width (pixbuf);
		472	int image_height = gdk_pixbuf_get_height (pixbuf);
385		473
386	int target_width = szHint.width;	474	int target_width = szHint.width;
387	int target_height = szHint.height;	475	int target_height = szHint.height;
388	int new_pmap_width = target_width;	476	int new_pmap_width = target_width;
389	int new_pmap_height = target_height;	477	int new_pmap_height = target_height;
…		…
391	int x = 0;	479	int x = 0;
392	int y = 0;	480	int y = 0;
393	int w = 0;	481	int w = 0;
394	int h = 0;	482	int h = 0;
395		483
396	if (original_asim)	484	get_image_geometry (image, w, h, x, y);
397	get_image_geometry (original_asim->width, original_asim->height, w, h, x, y);
398		485
399	if (!original_asim
400	|| (!(bg_flags & BG_ROOT_ALIGN)
401	&& (x >= target_width
402	|| y >= target_height
403	|| (x + w <= 0)
404	|| (y + h <= 0))))
405	{
406	if (background)
407	{
408	new_pmap_width = background->width;
409	new_pmap_height = background->height;
410	result = background;
411
412	if (background_tint != TINT_LEAVE_SAME)
413	{
414	ASImage *tmp = tile_asimage (asv, background, 0, 0,
415	target_width, target_height, background_tint,
416	ASA_XImage, 100, ASIMAGE_QUALITY_DEFAULT);
417	if (tmp)
418	result = tmp;
419	}
420	}
421	else
422	new_pmap_width = new_pmap_height = 0;
423	}
424	else
425	{
426	result = original_asim;
427
428	if ((w != original_asim->width)
429	|| (h != original_asim->height))
430	{
431	result = scale_asimage (asv, original_asim,
432	w, h,
433	background ? ASA_ASImage : ASA_XImage,
434	100, ASIMAGE_QUALITY_DEFAULT);
435	}
436
437	if (background == NULL)
438	{
439	if (bg_flags & BG_TILE)
440	{
441	/* if tiling - pixmap has to be sized exactly as the image,
442	but there is no need to make it bigger than the window! */
443	new_pmap_width = min (result->width, target_width);
444	new_pmap_height = min (result->height, target_height);
445
446	/* we also need to tile our image in both directions */
447	ASImage *tmp = tile_asimage (asv, result,
448	(int)result->width - x,
449	(int)result->height - y,
450	new_pmap_width,
451	new_pmap_height,
452	TINT_LEAVE_SAME, ASA_XImage,
453	100, ASIMAGE_QUALITY_DEFAULT);
454	if (tmp)
455	{
456	if (result != original_asim)
457	destroy_asimage (&result);
458
459	result = tmp;
460	}
461	}
462	}
463	else
464	{
465	/* if blending background and image - pixmap has to be sized same as target window */
466	ASImageLayer *layers = create_image_layers (2);
467
468	layers[0].im = background;
469	layers[0].clip_width = target_width;
470	layers[0].clip_height = target_height;
471	layers[0].tint = background_tint;
472	layers[1].im = result;
473
474	if (bg_flags & BG_TILE)
475	{
476	/* tile horizontally */
477	while (x > 0) x -= (int)result->width;
478	layers[1].dst_x = x;
479	layers[1].clip_width = result->width+target_width;
480	}
481	else
482	{
483	/* clip horizontally */
484	layers[1].dst_x = x;
485	layers[1].clip_width = result->width;
486	}
487
488	if (bg_flags & BG_TILE)
489	{
490	while (y > 0) y -= (int)result->height;
491	layers[1].dst_y = y;
492	layers[1].clip_height = result->height + target_height;
493	}
494	else
495	{
496	layers[1].dst_y = y;
497	layers[1].clip_height = result->height;
498	}
499
500	if (rs[Rs_blendtype])
501	{
502	layers[1].merge_scanlines = blend_scanlines_name2func (rs[Rs_blendtype]);
503	if (layers[1].merge_scanlines == NULL)
504	layers[1].merge_scanlines = alphablend_scanlines;
505	}
506
507	ASImage *tmp = merge_layers (asv, layers, 2, target_width, target_height,
508	ASA_XImage, 0, ASIMAGE_QUALITY_DEFAULT);
509
510	if (tmp)
511	{
512	if (result != original_asim)
513	destroy_asimage (&result);
514
515	result = tmp;
516	}
517
518	free (layers);
519	}
520	}
521
522	bool ret = false;
523
524	if (result)
525	{
526	XGCValues gcv;
527	GC gc;
528
529	/* create Pixmap */
530	if (bg_pixmap == None
531	|| bg_pmap_width != new_pmap_width
532	|| bg_pmap_height != new_pmap_height)
533	{
534	if (bg_pixmap)
535	XFreePixmap (dpy, bg_pixmap);
536	bg_pixmap = XCreatePixmap (dpy, vt, new_pmap_width, new_pmap_height, depth);
537	bg_pmap_width = new_pmap_width;
538	bg_pmap_height = new_pmap_height;
539	}
540	/* fill with background color (if result's not completely overlapping it) */
541	gcv.foreground = pix_colors[Color_bg];
542	gc = XCreateGC (dpy, vt, GCForeground, &gcv);
543
544	int src_x = 0, src_y = 0, dst_x = 0, dst_y = 0;
545	int dst_width = result->width, dst_height = result->height;
546	if (background == NULL)
547	{
548	if (!(bg_flags & BG_TILE))
549	{
550	src_x = make_clip_rectangle (x, result->width , new_pmap_width , dst_x, dst_width );
551	src_y = make_clip_rectangle (y, result->height, new_pmap_height, dst_y, dst_height);
552	}
553
554	if (dst_x > 0 || dst_y > 0
555	|| dst_x + dst_width < new_pmap_width
556	|| dst_y + dst_height < new_pmap_height)
557	XFillRectangle (dpy, bg_pixmap, gc, 0, 0, new_pmap_width, new_pmap_height);
558	}
559
560	/* put result on pixmap */
561	if (dst_x < new_pmap_width && dst_y < new_pmap_height)
562	asimage2drawable (asv, bg_pixmap, result, gc, src_x, src_y, dst_x, dst_y, dst_width, dst_height, True);
563
564	if (result != background && result != original_asim)
565	destroy_asimage (&result);
566
567	XFreeGC (dpy, gc);
568
569	ret = true;
570	}
571
572	if (background)
573	destroy_asimage (&background);
574
575	return ret;
576	}
577	# endif /* HAVE_AFTERIMAGE */
578
579	# ifdef HAVE_PIXBUF
580	bool
581	rxvt_term::pixbuf_to_pixmap (GdkPixbuf *pixbuf, Pixmap pixmap, GC gc,
582	int src_x, int src_y, int dst_x, int dst_y,
583	unsigned int width, unsigned int height)
584	{
585	XImage *ximage;
586	char *data, *line;
587	int bytes_per_pixel;
588	int width_r, width_g, width_b;
589	int sh_r, sh_g, sh_b;
590	int rowstride;
591	int channels;
592	unsigned char *row;
593
594	if (visual->c_class != TrueColor)
595	return false;
596
597	if (depth == 24 || depth == 32)
598	bytes_per_pixel = 4;
599	else if (depth == 15 || depth == 16)
600	bytes_per_pixel = 2;
601	else
602	return false;
603
604	width_r = ecb_popcount32 (visual->red_mask);
605	width_g = ecb_popcount32 (visual->green_mask);
606	width_b = ecb_popcount32 (visual->blue_mask);
607
608	if (width_r > 8 || width_g > 8 || width_b > 8)
609	return false;
610
611	sh_r = ecb_ctz32 (visual->red_mask);
612	sh_g = ecb_ctz32 (visual->green_mask);
613	sh_b = ecb_ctz32 (visual->blue_mask);
614
615	if (width > INT_MAX / height / bytes_per_pixel)
616	return false;
617
618	data = (char *)malloc (width * height * bytes_per_pixel);
619	if (!data)
620	return false;
621
622	ximage = XCreateImage (dpy, visual, depth, ZPixmap, 0, data,
623	width, height, bytes_per_pixel * 8, 0);
624	if (!ximage)
625	{
626	free (data);
627	return false;
628	}
629
630	ximage->byte_order = ecb_big_endian () ? MSBFirst : LSBFirst;
631
632	rowstride = gdk_pixbuf_get_rowstride (pixbuf);
633	channels = gdk_pixbuf_get_n_channels (pixbuf);
634	row = gdk_pixbuf_get_pixels (pixbuf) + src_y * rowstride + src_x * channels;
635	line = data;
636
637	for (int y = 0; y < height; y++)
638	{
639	for (int x = 0; x < width; x++)
640	{
641	unsigned char *pixel = row + x * channels;
642	uint32_t value;
643
644	value = ((pixel[0] >> (8 - width_r)) << sh_r)
645	| ((pixel[1] >> (8 - width_g)) << sh_g)
646	| ((pixel[2] >> (8 - width_b)) << sh_b);
647
648	if (bytes_per_pixel == 4)
649	((uint32_t *)line)[x] = value;
650	else
651	((uint16_t *)line)[x] = value;
652	}
653
654	row += rowstride;
655	line += ximage->bytes_per_line;
656	}
657
658	XPutImage (dpy, pixmap, gc, ximage, 0, 0, dst_x, dst_y, width, height);
659	XDestroyImage (ximage);
660	return true;
661	}
662
663	bool
664	rxvt_term::render_image (unsigned long tr_flags)
665	{
666	if (!pixbuf)
667	return false;
668
669	if (tr_flags
670	&& !(bg_flags & BG_HAS_RENDER))
671	return false;
672
673	GdkPixbuf *result;
674
675	int image_width = gdk_pixbuf_get_width (pixbuf);
676	int image_height = gdk_pixbuf_get_height (pixbuf);
677
678	int target_width = szHint.width;
679	int target_height = szHint.height;
680	int new_pmap_width = target_width;
681	int new_pmap_height = target_height;
682
683	int x = 0;
684	int y = 0;
685	int w = 0;
686	int h = 0;
687
688	get_image_geometry (image_width, image_height, w, h, x, y);
689
690	if (!(bg_flags & BG_ROOT_ALIGN)	486	if (!(image.flags & IM_ROOT_ALIGN)
691	&& (x >= target_width	487	&& (x >= target_width
692	|| y >= target_height	488	|| y >= target_height
693	|| (x + w <= 0)	489	|| x + w <= 0
694	|| (y + h <= 0)))	490	|| y + h <= 0))
695	return false;	491	return false;
696		492
697	result = pixbuf;	493	result = pixbuf;
698		494
699	if ((w != image_width)	495	if (w != image_width
700	|| (h != image_height))	496	|| h != image_height)
701	{	497	{
702	result = gdk_pixbuf_scale_simple (pixbuf,	498	result = gdk_pixbuf_scale_simple (pixbuf,
703	w, h,	499	w, h,
704	GDK_INTERP_BILINEAR);	500	GDK_INTERP_BILINEAR);
705	}	501	}
…		…
709		505
710	bool ret = false;	506	bool ret = false;
711		507
712	XGCValues gcv;	508	XGCValues gcv;
713	GC gc;	509	GC gc;
714	Pixmap root_pmap;	510	Pixmap tmp_pixmap;
715		511
716	image_width = gdk_pixbuf_get_width (result);	512	image_width = gdk_pixbuf_get_width (result);
717	image_height = gdk_pixbuf_get_height (result);	513	image_height = gdk_pixbuf_get_height (result);
718		514
719	if (tr_flags)	515	if (need_blend)
720	{	516	{
721	root_pmap = bg_pixmap;	517	tmp_pixmap = bg_pixmap;
722	bg_pixmap = None;	518	bg_pixmap = None;
723	}	519	}
724	else	520	else
725	{	521	{
726	if (bg_flags & BG_TILE)	522	if (image.flags & IM_TILE)
727	{	523	{
728	new_pmap_width = min (image_width, target_width);	524	new_pmap_width = min (image_width, target_width);
729	new_pmap_height = min (image_height, target_height);	525	new_pmap_height = min (image_height, target_height);
730	}	526	}
731	}	527	}
…		…
744	gcv.foreground = pix_colors[Color_bg];	540	gcv.foreground = pix_colors[Color_bg];
745	gc = XCreateGC (dpy, vt, GCForeground, &gcv);	541	gc = XCreateGC (dpy, vt, GCForeground, &gcv);
746		542
747	if (gc)	543	if (gc)
748	{	544	{
749	if (bg_flags & BG_TILE)	545	if (image.flags & IM_TILE)
750	{	546	{
751	Pixmap tile = XCreatePixmap (dpy, vt, image_width, image_height, depth);	547	Pixmap tile = XCreatePixmap (dpy, vt, image_width, image_height, depth);
752	pixbuf_to_pixmap (result, tile, gc,	548	pixbuf_to_pixmap (result, tile, gc,
753	0, 0,	549	0, 0,
754	0, 0,	550	0, 0,
…		…
782	dst_x, dst_y,	578	dst_x, dst_y,
783	dst_width, dst_height);	579	dst_width, dst_height);
784	}	580	}
785		581
786	#if XRENDER	582	#if XRENDER
787	if (tr_flags)	583	if (need_blend)
788	{	584	{
789	XRenderPictureAttributes pa;
790
791	XRenderPictFormat *src_format = XRenderFindVisualFormat (dpy, visual);	585	XRenderPictFormat *format = XRenderFindVisualFormat (dpy, visual);
		586
792	Picture src = XRenderCreatePicture (dpy, root_pmap, src_format, 0, &pa);	587	Picture src = XRenderCreatePicture (dpy, tmp_pixmap, format, 0, 0);
793		588
794	XRenderPictFormat *dst_format = XRenderFindVisualFormat (dpy, visual);
795	Picture dst = XRenderCreatePicture (dpy, bg_pixmap, dst_format, 0, &pa);	589	Picture dst = XRenderCreatePicture (dpy, bg_pixmap, format, 0, 0);
796		590
797	pa.repeat = True;	591	Picture mask = create_xrender_mask (dpy, vt, False, False);
798	Pixmap mask_pmap = XCreatePixmap (dpy, vt, 1, 1, 8);
799	XRenderPictFormat *mask_format = XRenderFindStandardFormat (dpy, PictStandardA8);
800	Picture mask = XRenderCreatePicture (dpy, mask_pmap, mask_format, CPRepeat, &pa);
801	XFreePixmap (dpy, mask_pmap);
802		592
803	XRenderColor mask_c;	593	XRenderColor mask_c;
804		594
805	mask_c.alpha = 0x8000;	595	mask_c.alpha = 0x8000;
806	mask_c.red = 0;	596	mask_c.red =
807	mask_c.green = 0;	597	mask_c.green =
808	mask_c.blue = 0;	598	mask_c.blue = 0;
809	XRenderFillRectangle (dpy, PictOpSrc, mask, &mask_c, 0, 0, 1, 1);	599	XRenderFillRectangle (dpy, PictOpSrc, mask, &mask_c, 0, 0, 1, 1);
		600
810	XRenderComposite (dpy, PictOpOver, src, mask, dst, 0, 0, 0, 0, 0, 0, target_width, target_height);	601	XRenderComposite (dpy, PictOpOver, src, mask, dst, 0, 0, 0, 0, 0, 0, target_width, target_height);
811		602
812	XRenderFreePicture (dpy, src);	603	XRenderFreePicture (dpy, src);
813	XRenderFreePicture (dpy, dst);	604	XRenderFreePicture (dpy, dst);
814	XRenderFreePicture (dpy, mask);	605	XRenderFreePicture (dpy, mask);
…		…
821	}	612	}
822		613
823	if (result != pixbuf)	614	if (result != pixbuf)
824	g_object_unref (result);	615	g_object_unref (result);
825		616
826	if (tr_flags)	617	if (need_blend)
827	XFreePixmap (dpy, root_pmap);	618	XFreePixmap (dpy, tmp_pixmap);
828		619
829	return ret;	620	return ret;
830	}	621	}
831	# endif /* HAVE_PIXBUF */	622	# endif /* HAVE_PIXBUF */
832		623
833	bool	624	bool
834	rxvt_term::bg_set_file (const char *file)	625	rxvt_image::set_file (const char *file)
835	{	626	{
836	if (!file || !*file)	627	if (!file || !*file)
837	return false;	628	return false;
838		629
		630	bool ret = false;
839	if (const char *p = strchr (file, ';'))	631	const char *p = strchr (file, ';');
		632
		633	if (p)
840	{	634	{
841	size_t len = p - file;	635	size_t len = p - file;
842	char *f = rxvt_temp_buf<char> (len + 1);	636	char *f = rxvt_temp_buf<char> (len + 1);
843	memcpy (f, file, len);	637	memcpy (f, file, len);
844	f[len] = '\0';	638	f[len] = '\0';
845	file = f;	639	file = f;
846	}	640	}
847		641
848	# ifdef HAVE_AFTERIMAGE
849	if (!asimman)
850	asimman = create_generic_imageman (rs[Rs_path]);
851	ASImage *image = get_asimage (asimman, file, 0xFFFFFFFF, 100);
852	if (image)
853	{
854	if (original_asim)
855	safe_asimage_destroy (original_asim);
856	original_asim = image;
857	bg_flags |= BG_IS_FROM_FILE | BG_CLIENT_RENDER;
858	return true;
859	}
860	# endif
861
862	# ifdef HAVE_PIXBUF	642	# ifdef HAVE_PIXBUF
863	GdkPixbuf *image = gdk_pixbuf_new_from_file (file, NULL);	643	GdkPixbuf *image = gdk_pixbuf_new_from_file (file, NULL);
864	if (image)	644	if (image)
865	{	645	{
866	if (pixbuf)	646	if (pixbuf)
867	g_object_unref (pixbuf);	647	g_object_unref (pixbuf);
868	pixbuf = image;	648	pixbuf = image;
869	bg_flags |= BG_IS_FROM_FILE;
870	return true;	649	ret = true;
871	}	650	}
872	# endif	651	# endif
873		652
		653	if (ret)
		654	{
		655	flags = IM_IS_SET | IM_IS_SIZE_SENSITIVE;
		656	h_scale = v_scale = defaultScale;
		657	h_align = v_align = defaultAlign;
		658
		659	if (p)
		660	set_geometry (p + 1);
		661	}
		662
874	return false;	663	return ret;
875	}	664	}
876		665
877	# endif /* BG_IMAGE_FROM_FILE */	666	# endif /* BG_IMAGE_FROM_FILE */
878		667
879	# ifdef ENABLE_TRANSPARENCY	668	# ifdef ENABLE_TRANSPARENCY
880	bool
881	rxvt_term::bg_set_transparent ()
882	{
883	if (!(bg_flags & BG_IS_TRANSPARENT))
884	{
885	bg_flags |= BG_IS_TRANSPARENT;
886	return true;
887	}
888
889	return false;
890	}
891
892	bool	669	bool
893	rxvt_term::bg_set_blur (const char *geom)	670	rxvt_term::bg_set_blur (const char *geom)
894	{	671	{
895	bool changed = false;	672	bool changed = false;
896	unsigned int hr, vr;	673	unsigned int hr, vr;
…		…
915	{	692	{
916	changed = true;	693	changed = true;
917	v_blurRadius = vr;	694	v_blurRadius = vr;
918	}	695	}
919		696
920	if (v_blurRadius == 0 && h_blurRadius == 0)
921	bg_flags &= ~BG_NEEDS_BLUR;
922	else
923	bg_flags |= BG_NEEDS_BLUR;
924
925	return changed;	697	return changed;
926	}	698	}
927		699
928	void	700	bool
929	rxvt_term::set_tint_shade_flags ()	701	rxvt_term::bg_set_tint (rxvt_color &new_tint)
930	{	702	{
931	rgba c (rgba::MAX_CC,rgba::MAX_CC,rgba::MAX_CC);	703	if (!(bg_flags & BG_TINT_SET) || tint != new_tint)
932	bool has_shade = shade != 100;	704	{
933		705	tint = new_tint;
934	bg_flags &= ~BG_TINT_FLAGS;	706	bg_flags |= BG_TINT_SET;
935		707
936	if (bg_flags & BG_TINT_SET)	708	rgba c;
937	{
938	tint.get (c);	709	tint.get (c);
939	if (!has_shade
940	&& (c.r <= 0x00ff || c.r >= 0xff00)	710	if ((c.r <= 0x00ff || c.r >= 0xff00)
941	&& (c.g <= 0x00ff || c.g >= 0xff00)	711	&& (c.g <= 0x00ff || c.g >= 0xff00)
942	&& (c.b <= 0x00ff || c.b >= 0xff00))	712	&& (c.b <= 0x00ff || c.b >= 0xff00))
943	bg_flags |= BG_TINT_BITAND;	713	bg_flags |= BG_TINT_BITAND;
944	}	714	else
945
946	if (has_shade || (bg_flags & BG_TINT_SET))
947	bg_flags |= BG_NEEDS_TINT;
948	}
949
950	bool
951	rxvt_term::bg_set_tint (rxvt_color &new_tint)
952	{
953	if (!(bg_flags & BG_TINT_SET) || tint != new_tint)
954	{
955	tint = new_tint;
956	bg_flags |= BG_TINT_SET;	715	bg_flags &= ~BG_TINT_BITAND;
957	set_tint_shade_flags ();	716
958	return true;	717	return true;
959	}	718	}
960		719
961	return false;	720	return false;
962	}	721	}
963		722
964	bool	723	bool
965	rxvt_term::bg_set_shade (const char *shade_str)	724	rxvt_term::bg_set_shade (const char *shade_str)
966	{	725	{
967	int new_shade = (shade_str) ? atoi (shade_str) : 100;	726	int new_shade = atoi (shade_str);
968		727
969	clamp_it (new_shade, -100, 200);	728	clamp_it (new_shade, -100, 200);
970	if (new_shade < 0)	729	if (new_shade < 0)
971	new_shade = 200 - (100 + new_shade);	730	new_shade = 200 - (100 + new_shade);
972		731
973	if (new_shade != shade)	732	if (new_shade != shade)
974	{	733	{
975	shade = new_shade;	734	shade = new_shade;
976	set_tint_shade_flags ();
977	return true;	735	return true;
978	}	736	}
979		737
980	return false;	738	return false;
981	}	739	}
…		…
1002	params[i+2] = XDoubleToFixed (kernel[i] / sum);	760	params[i+2] = XDoubleToFixed (kernel[i] / sum);
1003	}	761	}
1004	#endif	762	#endif
1005		763
1006	bool	764	bool
1007	rxvt_term::blur_pixmap (Pixmap pixmap, Visual *visual, int width, int height)	765	rxvt_term::blur_pixmap (Pixmap pixmap, int width, int height)
1008	{	766	{
1009	bool ret = false;	767	bool ret = false;
1010	#if XRENDER	768	#if XRENDER
		769	if (!(bg_flags & BG_HAS_RENDER_CONV))
		770	return false;
		771
1011	int size = max (h_blurRadius, v_blurRadius) * 2 + 1;	772	int size = max (h_blurRadius, v_blurRadius) * 2 + 1;
1012	double *kernel = (double *)malloc (size * sizeof (double));	773	double *kernel = (double *)malloc (size * sizeof (double));
1013	XFixed *params = (XFixed *)malloc ((size + 2) * sizeof (XFixed));	774	XFixed *params = (XFixed *)malloc ((size + 2) * sizeof (XFixed));
1014		775
1015	XRenderPictureAttributes pa;	776	XRenderPictureAttributes pa;
1016	XRenderPictFormat *format = XRenderFindVisualFormat (dpy, visual);	777	XRenderPictFormat *format = XRenderFindVisualFormat (dpy, visual);
1017		778
		779	pa.repeat = RepeatPad;
1018	Picture src = XRenderCreatePicture (dpy, pixmap, format, 0, &pa);	780	Picture src = XRenderCreatePicture (dpy, pixmap, format, CPRepeat, &pa);
		781	Pixmap tmp = XCreatePixmap (dpy, pixmap, width, height, depth);
1019	Picture dst = XRenderCreatePicture (dpy, pixmap, format, 0, &pa);	782	Picture dst = XRenderCreatePicture (dpy, tmp, format, CPRepeat, &pa);
		783	XFreePixmap (dpy, tmp);
1020		784
1021	if (kernel && params)	785	if (kernel && params)
1022	{	786	{
1023	if (h_blurRadius)
1024	{
1025	size = h_blurRadius * 2 + 1;	787	size = h_blurRadius * 2 + 1;
1026	get_gaussian_kernel (h_blurRadius, size, kernel, params);	788	get_gaussian_kernel (h_blurRadius, size, kernel, params);
1027		789
1028	XRenderSetPictureFilter (dpy, src, FilterConvolution, params, size+2);	790	XRenderSetPictureFilter (dpy, src, FilterConvolution, params, size+2);
1029	XRenderComposite (dpy,	791	XRenderComposite (dpy,
1030	PictOpSrc,	792	PictOpSrc,
1031	src,	793	src,
1032	None,	794	None,
1033	dst,	795	dst,
1034	0, 0,	796	0, 0,
1035	0, 0,	797	0, 0,
1036	0, 0,	798	0, 0,
1037	width, height);	799	width, height);
1038	}
1039		800
1040	if (v_blurRadius)	801	::swap (src, dst);
1041	{	802
1042	size = v_blurRadius * 2 + 1;	803	size = v_blurRadius * 2 + 1;
1043	get_gaussian_kernel (v_blurRadius, size, kernel, params);	804	get_gaussian_kernel (v_blurRadius, size, kernel, params);
1044	::swap (params[0], params[1]);	805	::swap (params[0], params[1]);
1045		806
1046	XRenderSetPictureFilter (dpy, src, FilterConvolution, params, size+2);	807	XRenderSetPictureFilter (dpy, src, FilterConvolution, params, size+2);
1047	XRenderComposite (dpy,	808	XRenderComposite (dpy,
1048	PictOpSrc,	809	PictOpSrc,
1049	src,	810	src,
1050	None,	811	None,
1051	dst,	812	dst,
1052	0, 0,	813	0, 0,
1053	0, 0,	814	0, 0,
1054	0, 0,	815	0, 0,
1055	width, height);	816	width, height);
1056	}
1057		817
1058	ret = true;	818	ret = true;
1059	}	819	}
1060		820
1061	free (kernel);	821	free (kernel);
…		…
1065	#endif	825	#endif
1066	return ret;	826	return ret;
1067	}	827	}
1068		828
1069	bool	829	bool
1070	rxvt_term::tint_pixmap (Pixmap pixmap, Visual *visual, int width, int height)	830	rxvt_term::tint_pixmap (Pixmap pixmap, int width, int height)
1071	{	831	{
1072	bool ret = false;	832	bool ret = false;
1073		833
1074	if (bg_flags & BG_TINT_BITAND)	834	if (shade == 100 && (bg_flags & BG_TINT_BITAND))
1075	{	835	{
1076	XGCValues gcv;	836	XGCValues gcv;
1077	GC gc;	837	GC gc;
1078		838
1079	/* In this case we can tint image server-side getting significant	839	/* In this case we can tint image server-side getting significant
…		…
1088	XFillRectangle (dpy, pixmap, gc, 0, 0, width, height);	848	XFillRectangle (dpy, pixmap, gc, 0, 0, width, height);
1089	ret = true;	849	ret = true;
1090	XFreeGC (dpy, gc);	850	XFreeGC (dpy, gc);
1091	}	851	}
1092	}	852	}
1093	else
1094	{
1095	# if XRENDER	853	# if XRENDER
		854	else if (bg_flags & BG_HAS_RENDER)
		855	{
1096	rgba c (rgba::MAX_CC, rgba::MAX_CC, rgba::MAX_CC);	856	rgba c (rgba::MAX_CC, rgba::MAX_CC, rgba::MAX_CC);
1097		857
1098	if (bg_flags & BG_TINT_SET)	858	if (bg_flags & BG_TINT_SET)
1099	tint.get (c);	859	tint.get (c);
1100		860
…		…
1109	c.r = c.r * (200 - shade) / 100;	869	c.r = c.r * (200 - shade) / 100;
1110	c.g = c.g * (200 - shade) / 100;	870	c.g = c.g * (200 - shade) / 100;
1111	c.b = c.b * (200 - shade) / 100;	871	c.b = c.b * (200 - shade) / 100;
1112	}	872	}
1113		873
1114	XRenderPictFormat *solid_format = XRenderFindStandardFormat (dpy, PictStandardARGB32);
1115	XRenderPictFormat *format = XRenderFindVisualFormat (dpy, visual);	874	XRenderPictFormat *format = XRenderFindVisualFormat (dpy, visual);
1116	XRenderPictureAttributes pa;
1117		875
1118	Picture back_pic = XRenderCreatePicture (dpy, pixmap, format, 0, &pa);	876	Picture back_pic = XRenderCreatePicture (dpy, pixmap, format, 0, 0);
1119		877
1120	pa.repeat = True;	878	Picture overlay_pic = create_xrender_mask (dpy, pixmap, True, False);
1121		879
1122	Pixmap overlay_pmap = XCreatePixmap (dpy, pixmap, 1, 1, 32);	880	Picture mask_pic = create_xrender_mask (dpy, pixmap, True, True);
1123	Picture overlay_pic = XRenderCreatePicture (dpy, overlay_pmap, solid_format, CPRepeat, &pa);
1124	XFreePixmap (dpy, overlay_pmap);
1125
1126	pa.component_alpha = True;
1127	Pixmap mask_pmap = XCreatePixmap (dpy, pixmap, 1, 1, 32);
1128	Picture mask_pic = XRenderCreatePicture (dpy, mask_pmap, solid_format, CPRepeat | CPComponentAlpha, &pa);
1129	XFreePixmap (dpy, mask_pmap);
1130		881
1131	XRenderColor mask_c;	882	XRenderColor mask_c;
1132		883
1133	mask_c.alpha = 0xffff;	884	mask_c.alpha = 0xffff;
1134	mask_c.red =	885	mask_c.red =
…		…
1139	mask_c.alpha = 0;	890	mask_c.alpha = 0;
1140	mask_c.red = 0xffff - c.r;	891	mask_c.red = 0xffff - c.r;
1141	mask_c.green = 0xffff - c.g;	892	mask_c.green = 0xffff - c.g;
1142	mask_c.blue = 0xffff - c.b;	893	mask_c.blue = 0xffff - c.b;
1143	XRenderFillRectangle (dpy, PictOpSrc, mask_pic, &mask_c, 0, 0, 1, 1);	894	XRenderFillRectangle (dpy, PictOpSrc, mask_pic, &mask_c, 0, 0, 1, 1);
		895
1144	XRenderComposite (dpy, PictOpOver, overlay_pic, mask_pic, back_pic, 0, 0, 0, 0, 0, 0, width, height);	896	XRenderComposite (dpy, PictOpOver, overlay_pic, mask_pic, back_pic, 0, 0, 0, 0, 0, 0, width, height);
1145		897
1146	if (shade > 100)	898	if (shade > 100)
1147	{	899	{
1148	mask_c.red = mask_c.green = mask_c.blue = 0xffff * (shade - 100) / 100;
1149	mask_c.alpha = 0;	900	mask_c.alpha = 0;
		901	mask_c.red =
		902	mask_c.green =
		903	mask_c.blue = 0xffff * (shade - 100) / 100;
1150	XRenderFillRectangle (dpy, PictOpSrc, overlay_pic, &mask_c, 0, 0, 1, 1);	904	XRenderFillRectangle (dpy, PictOpSrc, overlay_pic, &mask_c, 0, 0, 1, 1);
1151		905
1152	XRenderComposite (dpy, PictOpOver, overlay_pic, None, back_pic, 0, 0, 0, 0, 0, 0, width, height);	906	XRenderComposite (dpy, PictOpOver, overlay_pic, None, back_pic, 0, 0, 0, 0, 0, 0, width, height);
1153	}	907	}
1154		908
1155	ret = true;	909	ret = true;
1156		910
1157	XRenderFreePicture (dpy, mask_pic);	911	XRenderFreePicture (dpy, mask_pic);
1158	XRenderFreePicture (dpy, overlay_pic);	912	XRenderFreePicture (dpy, overlay_pic);
1159	XRenderFreePicture (dpy, back_pic);	913	XRenderFreePicture (dpy, back_pic);
		914	}
1160	# endif	915	# endif
1161	}
1162		916
1163	return ret;	917	return ret;
1164	}	918	}
1165		919
1166	/*	920	/*
1167	* Builds a pixmap of the same size as the terminal window that contains	921	* Builds a pixmap of the same size as the terminal window that contains
1168	* the tiled portion of the root pixmap that is supposed to be covered by	922	* the tiled portion of the root pixmap that is supposed to be covered by
1169	* our window.	923	* our window.
1170	*/	924	*/
1171	unsigned long	925	bool
1172	rxvt_term::make_transparency_pixmap ()	926	rxvt_term::make_transparency_pixmap ()
1173	{	927	{
1174	unsigned long result = 0;	928	bool ret = false;
1175		929
1176	/* root dimensions may change from call to call - but Display structure should	930	/* root dimensions may change from call to call - but Display structure should
1177	* be always up-to-date, so let's use it :	931	* be always up-to-date, so let's use it :
1178	*/	932	*/
1179	int screen = display->screen;	933	int screen = display->screen;
…		…
1217	#if XRENDER	971	#if XRENDER
1218	if (bg_flags & BG_HAS_RENDER)	972	if (bg_flags & BG_HAS_RENDER)
1219	{	973	{
1220	recoded_root_pmap = XCreatePixmap (dpy, vt, root_pmap_width, root_pmap_height, depth);	974	recoded_root_pmap = XCreatePixmap (dpy, vt, root_pmap_width, root_pmap_height, depth);
1221		975
1222	XRenderPictureAttributes pa;
1223
1224	XRenderPictFormat *src_format = XRenderFindVisualFormat (dpy, DefaultVisual (dpy, screen));	976	XRenderPictFormat *src_format = XRenderFindVisualFormat (dpy, DefaultVisual (dpy, screen));
1225	Picture src = XRenderCreatePicture (dpy, root_pixmap, src_format, 0, &pa);	977	Picture src = XRenderCreatePicture (dpy, root_pixmap, src_format, 0, 0);
1226		978
1227	XRenderPictFormat *dst_format = XRenderFindVisualFormat (dpy, visual);	979	XRenderPictFormat *dst_format = XRenderFindVisualFormat (dpy, visual);
1228	Picture dst = XRenderCreatePicture (dpy, recoded_root_pmap, dst_format, 0, &pa);	980	Picture dst = XRenderCreatePicture (dpy, recoded_root_pmap, dst_format, 0, 0);
1229		981
1230	XRenderComposite (dpy, PictOpSrc, src, None, dst, 0, 0, 0, 0, 0, 0, root_pmap_width, root_pmap_height);	982	XRenderComposite (dpy, PictOpSrc, src, None, dst, 0, 0, 0, 0, 0, 0, root_pmap_width, root_pmap_height);
1231		983
1232	XRenderFreePicture (dpy, src);	984	XRenderFreePicture (dpy, src);
1233	XRenderFreePicture (dpy, dst);	985	XRenderFreePicture (dpy, dst);
…		…
1250	bg_pmap_width = window_width;	1002	bg_pmap_width = window_width;
1251	bg_pmap_height = window_height;	1003	bg_pmap_height = window_height;
1252	}	1004	}
1253		1005
1254	/* straightforward pixmap copy */	1006	/* straightforward pixmap copy */
1255	while (sx < 0) sx += root_width;	1007	while (sx < 0) sx += root_pmap_width;
1256	while (sy < 0) sy += root_height;	1008	while (sy < 0) sy += root_pmap_height;
1257		1009
1258	gcv.tile = recoded_root_pmap;	1010	gcv.tile = recoded_root_pmap;
1259	gcv.fill_style = FillTiled;	1011	gcv.fill_style = FillTiled;
1260	gcv.ts_x_origin = -sx;	1012	gcv.ts_x_origin = -sx;
1261	gcv.ts_y_origin = -sy;	1013	gcv.ts_y_origin = -sy;
1262	gc = XCreateGC (dpy, vt, GCFillStyle | GCTile | GCTileStipXOrigin | GCTileStipYOrigin, &gcv);	1014	gc = XCreateGC (dpy, vt, GCFillStyle | GCTile | GCTileStipXOrigin | GCTileStipYOrigin, &gcv);
1263		1015
1264	if (gc)	1016	if (gc)
1265	{	1017	{
1266	XFillRectangle (dpy, bg_pixmap, gc, 0, 0, window_width, window_height);	1018	XFillRectangle (dpy, bg_pixmap, gc, 0, 0, window_width, window_height);
1267	result |= BG_IS_VALID | (bg_flags & BG_EFFECTS_FLAGS);	1019	ret = true;
		1020	bool need_blur = h_blurRadius && v_blurRadius;
		1021	bool need_tint = shade != 100 || (bg_flags & BG_TINT_SET);
		1022
		1023	if (!(bg_flags & BG_CLIENT_RENDER))
		1024	{
		1025	if (need_blur)
		1026	{
		1027	if (blur_pixmap (bg_pixmap, window_width, window_height))
		1028	need_blur = false;
		1029	}
		1030	if (need_tint)
		1031	{
		1032	if (tint_pixmap (bg_pixmap, window_width, window_height))
		1033	need_tint = false;
		1034	}
		1035	if (need_tint)
		1036	{
		1037	XImage *ximage = XGetImage (dpy, bg_pixmap, 0, 0, bg_pmap_width, bg_pmap_height, AllPlanes, ZPixmap);
		1038	if (ximage)
		1039	{
		1040	/* our own client-side tinting */
		1041	tint_ximage (ximage);
		1042
		1043	XPutImage (dpy, bg_pixmap, gc, ximage, 0, 0, 0, 0, ximage->width, ximage->height);
		1044	XDestroyImage (ximage);
		1045	}
		1046	}
		1047	} /* server side rendering completed */
		1048
1268	XFreeGC (dpy, gc);	1049	XFreeGC (dpy, gc);
1269
1270	if (!(bg_flags & BG_CLIENT_RENDER))
1271	{
1272	if ((bg_flags & BG_NEEDS_BLUR)
1273	&& (bg_flags & BG_HAS_RENDER_CONV))
1274	{
1275	if (blur_pixmap (bg_pixmap, visual, window_width, window_height))
1276	result &= ~BG_NEEDS_BLUR;
1277	}
1278	if ((bg_flags & BG_NEEDS_TINT)
1279	&& (bg_flags & (BG_TINT_BITAND | BG_HAS_RENDER)))
1280	{
1281	if (tint_pixmap (bg_pixmap, visual, window_width, window_height))
1282	result &= ~BG_NEEDS_TINT;
1283	}
1284	} /* server side rendering completed */
1285	}	1050	}
1286		1051
1287	if (recoded_root_pmap != root_pixmap)	1052	if (recoded_root_pmap != root_pixmap)
1288	XFreePixmap (dpy, recoded_root_pmap);	1053	XFreePixmap (dpy, recoded_root_pmap);
1289		1054
1290	return result;	1055	return ret;
1291	}	1056	}
1292		1057
1293	void	1058	void
1294	rxvt_term::bg_set_root_pixmap ()	1059	rxvt_term::bg_set_root_pixmap ()
1295	{	1060	{
…		…
1299		1064
1300	root_pixmap = new_root_pixmap;	1065	root_pixmap = new_root_pixmap;
1301	}	1066	}
1302	# endif /* ENABLE_TRANSPARENCY */	1067	# endif /* ENABLE_TRANSPARENCY */
1303		1068
1304	#if defined(ENABLE_TRANSPARENCY) && !defined(HAVE_AFTERIMAGE)
1305	static void shade_ximage (Visual *visual, XImage *ximage, int shade, const rgba &c);
1306	# endif
1307
1308	bool	1069	bool
1309	rxvt_term::bg_render ()	1070	rxvt_term::bg_render ()
1310	{	1071	{
1311	unsigned long tr_flags = 0;
1312
1313	bg_invalidate ();	1072	bg_invalidate ();
1314	# ifdef ENABLE_TRANSPARENCY	1073	# ifdef ENABLE_TRANSPARENCY
1315	if (bg_flags & BG_IS_TRANSPARENT)	1074	if (bg_flags & BG_IS_TRANSPARENT)
1316	{	1075	{
1317	/* we need to re-generate transparency pixmap in that case ! */	1076	/* we need to re-generate transparency pixmap in that case ! */
1318	tr_flags = make_transparency_pixmap ();	1077	if (make_transparency_pixmap ())
1319	if (tr_flags == 0)
1320	return false;
1321	else if (!(tr_flags & BG_EFFECTS_FLAGS))
1322	bg_flags |= BG_IS_VALID;	1078	bg_flags |= BG_IS_VALID;
1323	}	1079	}
1324	# endif	1080	# endif
1325		1081
1326	# ifdef BG_IMAGE_FROM_FILE	1082	# ifdef BG_IMAGE_FROM_FILE
1327	if ((bg_flags & BG_IS_FROM_FILE)	1083	if (bg_image.flags & IM_IS_SET)
1328	|| (tr_flags & BG_EFFECTS_FLAGS))
1329	{	1084	{
1330	if (render_image (tr_flags))	1085	if (render_image (bg_image))
1331	bg_flags |= BG_IS_VALID;	1086	bg_flags |= BG_IS_VALID;
1332	}
1333	# endif
1334
1335	# if defined(ENABLE_TRANSPARENCY) && !defined(HAVE_AFTERIMAGE)
1336	XImage *result = NULL;
1337
1338	if (tr_flags && !(bg_flags & BG_IS_VALID))
1339	{
1340	result = XGetImage (dpy, bg_pixmap, 0, 0, bg_pmap_width, bg_pmap_height, AllPlanes, ZPixmap);
1341	}
1342
1343	if (result)
1344	{
1345	/* our own client-side tinting */
1346	if (tr_flags & BG_NEEDS_TINT)
1347	{
1348	rgba c (rgba::MAX_CC,rgba::MAX_CC,rgba::MAX_CC);
1349	if (bg_flags & BG_TINT_SET)
1350	tint.get (c);
1351	shade_ximage (DefaultVisual (dpy, display->screen), result, shade, c);
1352	}
1353
1354	GC gc = XCreateGC (dpy, vt, 0UL, NULL);
1355
1356	if (gc)
1357	{
1358	XPutImage (dpy, bg_pixmap, gc, result, 0, 0, 0, 0, result->width, result->height);
1359
1360	XFreeGC (dpy, gc);
1361	bg_flags |= BG_IS_VALID;
1362	}
1363
1364	XDestroyImage (result);
1365	}	1087	}
1366	# endif	1088	# endif
1367		1089
1368	if (!(bg_flags & BG_IS_VALID))	1090	if (!(bg_flags & BG_IS_VALID))
1369	{	1091	{
…		…
1406	#endif	1128	#endif
1407	}	1129	}
1408		1130
1409	#endif /* HAVE_BG_PIXMAP */	1131	#endif /* HAVE_BG_PIXMAP */
1410		1132
1411	#if defined(ENABLE_TRANSPARENCY) && !defined(HAVE_AFTERIMAGE)	1133	#ifdef ENABLE_TRANSPARENCY
1412	/* taken from aterm-0.4.2 */	1134	/* based on code from aterm-0.4.2 */
1413		1135
1414	static void	1136	static inline void
1415	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)
1416	{	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;
1417	int sh_r, sh_g, sh_b;	1152	int sh_r, sh_g, sh_b;
1418	uint32_t mask_r, mask_g, mask_b;	1153	uint32_t mask_r, mask_g, mask_b;
1419	uint32_t *lookup, *lookup_r, *lookup_g, *lookup_b;	1154	uint32_t *lookup, *lookup_r, *lookup_g, *lookup_b;
1420	rgba low;	1155	unsigned short low;
1421	rgba high;
1422	int i;
1423	int host_byte_order = ecb_big_endian () ? MSBFirst : LSBFirst;	1156	int host_byte_order = ecb_big_endian () ? MSBFirst : LSBFirst;
1424		1157
1425	if (visual->c_class != TrueColor || ximage->format != ZPixmap) return;	1158	if (visual->c_class != TrueColor || ximage->format != ZPixmap) return;
1426		1159
1427	/* for convenience */	1160	/* for convenience */
1428	mask_r = visual->red_mask;	1161	mask_r = visual->red_mask;
1429	mask_g = visual->green_mask;	1162	mask_g = visual->green_mask;
1430	mask_b = visual->blue_mask;	1163	mask_b = visual->blue_mask;
1431		1164
1432	/* boring lookup table pre-initialization */	1165	/* boring lookup table pre-initialization */
1433	switch (ximage->depth)	1166	sh_r = ecb_ctz32 (mask_r);
1434	{	1167	sh_g = ecb_ctz32 (mask_g);
1435	case 15:	1168	sh_b = ecb_ctz32 (mask_b);
1436	if ((mask_r != 0x7c00) ||	1169
1437	(mask_g != 0x03e0) ||	1170	size_r = mask_r >> sh_r;
1438	(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)
1439	return;	1175	return;
1440	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));
1441	lookup_r = lookup;	1178	lookup_r = lookup;
1442	lookup_g = lookup+32;	1179	lookup_g = lookup + size_r;
1443	lookup_b = lookup+32+32;	1180	lookup_b = lookup + size_r + size_g;
1444	sh_r = 10;	1181
1445	sh_g = 5;	1182	rgba c (rgba::MAX_CC, rgba::MAX_CC, rgba::MAX_CC);
1446	sh_b = 0;	1183
1447	break;	1184	if (bg_flags & BG_TINT_SET)
1448	case 16:	1185	tint.get (c);
1449	if ((mask_r != 0xf800) ||
1450	(mask_g != 0x07e0) ||
1451	(mask_b != 0x001f))
1452	return;
1453	lookup = (uint32_t *) malloc (sizeof (uint32_t)*(32+64+32));
1454	lookup_r = lookup;
1455	lookup_g = lookup+32;
1456	lookup_b = lookup+32+64;
1457	sh_r = 11;
1458	sh_g = 5;
1459	sh_b = 0;
1460	break;
1461	case 24:
1462	if ((mask_r != 0xff0000) ||
1463	(mask_g != 0x00ff00) ||
1464	(mask_b != 0x0000ff))
1465	return;
1466	lookup = (uint32_t *) malloc (sizeof (uint32_t)*(256+256+256));
1467	lookup_r = lookup;
1468	lookup_g = lookup+256;
1469	lookup_b = lookup+256+256;
1470	sh_r = 16;
1471	sh_g = 8;
1472	sh_b = 0;
1473	break;
1474	case 32:
1475	if ((mask_r != 0xff0000) ||
1476	(mask_g != 0x00ff00) ||
1477	(mask_b != 0x0000ff))
1478	return;
1479	lookup = (uint32_t *) malloc (sizeof (uint32_t)*(256+256+256));
1480	lookup_r = lookup;
1481	lookup_g = lookup+256;
1482	lookup_b = lookup+256+256;
1483	sh_r = 16;
1484	sh_g = 8;
1485	sh_b = 0;
1486	break;
1487	default:
1488	return; /* we do not support this color depth */
1489	}
1490		1186
1491	/* prepare limits for color transformation (each channel is handled separately) */	1187	/* prepare limits for color transformation (each channel is handled separately) */
1492	if (shade > 100)	1188	if (shade > 100)
1493	{	1189	{
1494	shade = 200 - shade;
1495
1496	high.r = c.r * shade / 100;
1497	high.g = c.g * shade / 100;
1498	high.b = c.b * shade / 100;
1499
1500	low.r = 65535 * (100 - shade) / 100;	1190	c.r = c.r * (200 - shade) / 100;
1501	low.g = 65535 * (100 - shade) / 100;	1191	c.g = c.g * (200 - shade) / 100;
1502	low.b = 65535 * (100 - shade) / 100;	1192	c.b = c.b * (200 - shade) / 100;
		1193
		1194	low = 0xffff * (shade - 100) / 100;
1503	}	1195	}
1504	else	1196	else
1505	{	1197	{
1506	high.r = c.r * shade / 100;	1198	c.r = c.r * shade / 100;
1507	high.g = c.g * shade / 100;	1199	c.g = c.g * shade / 100;
1508	high.b = c.b * shade / 100;	1200	c.b = c.b * shade / 100;
1509		1201
1510	low.r = low.g = low.b = 0;	1202	low = 0;
1511	}	1203	}
1512		1204
1513	/* fill our lookup tables */	1205	/* fill our lookup tables */
1514	for (i = 0; i <= mask_r>>sh_r; i++)	1206	fill_lut (lookup_r, mask_r, sh_r, low, c.r);
1515	{	1207	fill_lut (lookup_g, mask_g, sh_g, low, c.g);
1516	uint32_t tmp;	1208	fill_lut (lookup_b, mask_b, sh_b, low, c.b);
1517	tmp = i * high.r;
1518	tmp += (mask_r>>sh_r) * low.r;
1519	lookup_r[i] = (tmp/65535)<<sh_r;
1520	}
1521	for (i = 0; i <= mask_g>>sh_g; i++)
1522	{
1523	uint32_t tmp;
1524	tmp = i * high.g;
1525	tmp += (mask_g>>sh_g) * low.g;
1526	lookup_g[i] = (tmp/65535)<<sh_g;
1527	}
1528	for (i = 0; i <= mask_b>>sh_b; i++)
1529	{
1530	uint32_t tmp;
1531	tmp = i * high.b;
1532	tmp += (mask_b>>sh_b) * low.b;
1533	lookup_b[i] = (tmp/65535)<<sh_b;
1534	}
1535		1209
1536	/* apply table to input image (replacing colors by newly calculated ones) */	1210	/* apply table to input image (replacing colors by newly calculated ones) */
1537	if (ximage->bits_per_pixel == 32	1211	if (ximage->bits_per_pixel == 32
1538	&& (ximage->depth == 24 || ximage->depth == 32)
1539	&& ximage->byte_order == host_byte_order)	1212	&& ximage->byte_order == host_byte_order)
1540	{	1213	{
1541	uint32_t *p1, *pf, *p, *pl;	1214	char *line = ximage->data;
1542	p1 = (uint32_t *) ximage->data;
1543	pf = (uint32_t *) (ximage->data + ximage->height * ximage->bytes_per_line);
1544		1215
1545	while (p1 < pf)	1216	for (int y = 0; y < ximage->height; y++)
1546	{
1547	p = p1;
1548	pl = p1 + ximage->width;
1549	for (; p < pl; p++)
1550	{	1217	{
1551	*p = lookup_r[(*p & 0xff0000) >> 16] |	1218	uint32_t *p = (uint32_t *)line;
1552	lookup_g[(*p & 0x00ff00) >> 8] |	1219	for (int x = 0; x < ximage->width; x++)
1553	lookup_b[(*p & 0x0000ff)] |
1554	(*p & 0xff000000);
1555	}	1220	{
1556	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;
1557	}	1227	}
1558	}	1228	}
1559	else	1229	else
1560	{	1230	{
1561	for (int y = 0; y < ximage->height; y++)	1231	for (int y = 0; y < ximage->height; y++)
…		…
1569	}	1239	}
1570	}	1240	}
1571		1241
1572	free (lookup);	1242	free (lookup);
1573	}	1243	}
1574	#endif /* defined(ENABLE_TRANSPARENCY) && !defined(HAVE_AFTERIMAGE) */	1244	#endif /* ENABLE_TRANSPARENCY */

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