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Comparing rxvt-unicode/src/background.C (file contents):
Revision 1.164 by sf-exg, Sun Aug 14 22:01:25 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	*/
52		40
53	#ifdef HAVE_BG_PIXMAP	41	#ifdef HAVE_BG_PIXMAP
		42	# if XRENDER
		43	static Picture
		44	create_xrender_mask (Display *dpy, Drawable drawable, Bool argb, Bool component_alpha)
		45	{
		46	Pixmap pixmap = XCreatePixmap (dpy, drawable, 1, 1, argb ? 32 : 8);
		47
		48	XRenderPictFormat *format = XRenderFindStandardFormat (dpy, argb ? PictStandardARGB32 : PictStandardA8);
		49	XRenderPictureAttributes pa;
		50	pa.repeat = True;
		51	pa.component_alpha = component_alpha;
		52	Picture mask = XRenderCreatePicture (dpy, pixmap, format, CPRepeat | CPComponentAlpha, &pa);
		53
		54	XFreePixmap (dpy, pixmap);
		55
		56	return mask;
		57	}
		58	# endif
		59
54	void	60	void
55	rxvt_term::bg_destroy ()	61	rxvt_term::bg_destroy ()
56	{	62	{
57	#ifdef HAVE_AFTERIMAGE
58	if (original_asim)
59	safe_asimage_destroy (original_asim);
60	if (asv)
61	destroy_asvisual (asv, 0);
62	if (asimman)
63	destroy_image_manager (asimman, 0);
64	#endif
65
66	#ifdef HAVE_PIXBUF
67	if (pixbuf)
68	g_object_unref (pixbuf);
69	#endif
70
71	if (bg_pixmap)	63	if (bg_pixmap)
72	XFreePixmap (dpy, bg_pixmap);	64	XFreePixmap (dpy, bg_pixmap);
73	}	65	}
74		66
75	bool	67	bool
…		…
93	if (bg_flags & BG_IS_TRANSPARENT)	85	if (bg_flags & BG_IS_TRANSPARENT)
94	return true;	86	return true;
95	# endif	87	# endif
96		88
97	# ifdef BG_IMAGE_FROM_FILE	89	# ifdef BG_IMAGE_FROM_FILE
98	if (bg_flags & BG_IS_FROM_FILE)	90	if (bg_image.flags & IM_IS_SET)
99	{	91	{
100	if (bg_flags & BG_IS_SIZE_SENSITIVE)	92	if ((bg_image.flags & IM_IS_SIZE_SENSITIVE)
		93	|| bg_image.width () > szHint.width
		94	|| bg_image.height () > szHint.height)
101	return true;	95	return true;
102	}	96	}
103	# endif	97	# endif
104		98
105	return false;	99	return false;
…		…
112	if (bg_flags & BG_IS_TRANSPARENT)	106	if (bg_flags & BG_IS_TRANSPARENT)
113	return true;	107	return true;
114	# endif	108	# endif
115		109
116	# ifdef BG_IMAGE_FROM_FILE	110	# ifdef BG_IMAGE_FROM_FILE
117	if (bg_flags & BG_IS_FROM_FILE)	111	if (bg_image.flags & IM_IS_SET)
118	{	112	{
119	if (bg_flags & BG_ROOT_ALIGN)	113	if (bg_image.flags & IM_ROOT_ALIGN)
120	return true;	114	return true;
121	}	115	}
122	# endif	116	# endif
123		117
124	return false;	118	return false;
125	}	119	}
126		120
127	# ifdef BG_IMAGE_FROM_FILE	121	# ifdef BG_IMAGE_FROM_FILE
128	static inline bool
129	check_set_scale_value (int geom_flags, int flag, unsigned int &scale, unsigned int new_value)
130	{
131	if (geom_flags & flag)
132	{
133	if (new_value > 1000)
134	new_value = 1000;
135	if (new_value != scale)
136	{
137	scale = new_value;
138	return true;
139	}
140	}
141	return false;
142	}
143
144	static inline bool
145	check_set_align_value (int geom_flags, int flag, int &align, int new_value)
146	{
147	if (geom_flags & flag)
148	{
149	if (new_value < -100)
150	new_value = -100;
151	else if (new_value > 200)
152	new_value = 200;
153	if (new_value != align)
154	{
155	align = new_value;
156	return true;
157	}
158	}
159	return false;
160	}
161
162	static inline int	122	static inline int
163	make_align_position (int align, int window_size, int image_size)	123	make_align_position (int align, int window_size, int image_size)
164	{	124	{
165	int diff = window_size - image_size;
166	int smaller = min (image_size, window_size);
167
168	if (align >= 0 && align <= 100)	125	if (align >= 0 && align <= 100)
169	return diff * align / 100;	126	return lerp (0, window_size - image_size, align);
170	else if (align > 100 && align <= 200)	127	else if (align > 100)
171	return ((align - 100) * smaller / 100) + window_size - smaller;	128	return lerp (window_size - image_size, window_size, align - 100);
172	else if (align >= -100 && align < 0)	129	else
173	return ((align + 100) * smaller / 100) - image_size;	130	return lerp (-image_size, 0, align + 100);
174	return 0;
175	}	131	}
176		132
177	static inline int	133	static inline int
178	make_clip_rectangle (int pos, int size, int target_size, int &dst_pos, int &dst_size)	134	make_clip_rectangle (int pos, int size, int target_size, int &dst_pos, int &dst_size)
179	{	135	{
…		…
185	src_pos = -pos;	141	src_pos = -pos;
186	dst_pos = 0;	142	dst_pos = 0;
187	dst_size += pos;	143	dst_size += pos;
188	}	144	}
189		145
190	if (dst_pos + dst_size > target_size)
191	dst_size = target_size - dst_pos;	146	min_it (dst_size, target_size - dst_pos);
192	return src_pos;	147	return src_pos;
193	}	148	}
194		149
195	bool	150	bool
196	rxvt_term::bg_set_geometry (const char *geom, bool update)	151	rxvt_image::set_geometry (const char *geom, bool update)
197	{	152	{
198	bool changed = false;	153	bool changed = false;
199	int geom_flags = 0;	154	int geom_flags = 0;
200	int x = 0, y = 0;	155	int x = h_align;
		156	int y = v_align;
201	unsigned int w = 0, h = 0;	157	unsigned int w = h_scale;
202	unsigned long new_flags = (bg_flags & (~BG_GEOMETRY_FLAGS));	158	unsigned int h = v_scale;
		159	unsigned long new_flags = 0;
203		160
204	if (geom == NULL)	161	if (geom == NULL)
205	return false;	162	return false;
206		163
207	if (geom[0])	164	if (geom[0])
208	{	165	{
209	char **arr = rxvt_strsplit (':', geom);	166	char **arr = rxvt_strsplit (':', geom);
210		167
211	for (int i = 0; arr[i]; i++)	168	for (int i = 0; arr[i]; i++)
212	{	169	{
213	if (!strcasecmp (arr[i], "style=tiled"))	170	if (!strcasecmp (arr[i], "style=tiled"))
214	{	171	{
215	new_flags = BG_TILE;	172	new_flags = IM_TILE;
216	w = h = noScale;	173	w = h = noScale;
217	x = y = 0;	174	x = y = 0;
218	geom_flags = WidthValue|HeightValue|XValue|YValue;	175	geom_flags = WidthValue|HeightValue|XValue|YValue;
219	}	176	}
220	else if (!strcasecmp (arr[i], "style=aspect-stretched"))	177	else if (!strcasecmp (arr[i], "style=aspect-stretched"))
221	{	178	{
222	new_flags = BG_PROP_SCALE;	179	new_flags = IM_KEEP_ASPECT;
223	w = h = windowScale;	180	w = h = windowScale;
224	x = y = centerAlign;	181	x = y = centerAlign;
225	geom_flags = WidthValue|HeightValue|XValue|YValue;	182	geom_flags = WidthValue|HeightValue|XValue|YValue;
226	}	183	}
227	else if (!strcasecmp (arr[i], "style=stretched"))	184	else if (!strcasecmp (arr[i], "style=stretched"))
…		…
237	x = y = centerAlign;	194	x = y = centerAlign;
238	geom_flags = WidthValue|HeightValue|XValue|YValue;	195	geom_flags = WidthValue|HeightValue|XValue|YValue;
239	}	196	}
240	else if (!strcasecmp (arr[i], "style=root-tiled"))	197	else if (!strcasecmp (arr[i], "style=root-tiled"))
241	{	198	{
242	new_flags = BG_TILE|BG_ROOT_ALIGN;	199	new_flags = IM_TILE|IM_ROOT_ALIGN;
243	w = h = noScale;	200	w = h = noScale;
244	geom_flags = WidthValue|HeightValue;	201	geom_flags = WidthValue|HeightValue;
245	}	202	}
246	else if (!strcasecmp (arr[i], "op=tile"))	203	else if (!strcasecmp (arr[i], "op=tile"))
247	new_flags |= BG_TILE;	204	new_flags |= IM_TILE;
248	else if (!strcasecmp (arr[i], "op=pscale"))	205	else if (!strcasecmp (arr[i], "op=keep-aspect"))
249	new_flags |= BG_PROP_SCALE;	206	new_flags |= IM_KEEP_ASPECT;
250	else if (!strcasecmp (arr[i], "op=root"))	207	else if (!strcasecmp (arr[i], "op=root-align"))
251	new_flags |= BG_ROOT_ALIGN;	208	new_flags |= IM_ROOT_ALIGN;
252		209
253	// deprecated	210	// deprecated
254	else if (!strcasecmp (arr[i], "tile"))	211	else if (!strcasecmp (arr[i], "tile"))
255	{	212	{
256	new_flags |= BG_TILE;	213	new_flags |= IM_TILE;
257	w = h = noScale;	214	w = h = noScale;
258	geom_flags |= WidthValue|HeightValue;	215	geom_flags |= WidthValue|HeightValue;
259	}	216	}
260	else if (!strcasecmp (arr[i], "propscale"))	217	else if (!strcasecmp (arr[i], "propscale"))
261	{	218	{
262	new_flags |= BG_PROP_SCALE;	219	new_flags |= IM_KEEP_ASPECT;
		220	w = h = windowScale;
		221	geom_flags |= WidthValue|HeightValue;
263	}	222	}
264	else if (!strcasecmp (arr[i], "hscale"))	223	else if (!strcasecmp (arr[i], "hscale"))
265	{	224	{
266	new_flags |= BG_TILE;	225	new_flags |= IM_TILE;
267	w = windowScale;	226	w = windowScale;
268	h = noScale;	227	h = noScale;
269	geom_flags |= WidthValue|HeightValue;	228	geom_flags |= WidthValue|HeightValue;
270	}	229	}
271	else if (!strcasecmp (arr[i], "vscale"))	230	else if (!strcasecmp (arr[i], "vscale"))
272	{	231	{
273	new_flags |= BG_TILE;	232	new_flags |= IM_TILE;
274	h = windowScale;	233	h = windowScale;
275	w = noScale;	234	w = noScale;
276	geom_flags |= WidthValue|HeightValue;	235	geom_flags |= WidthValue|HeightValue;
277	}	236	}
278	else if (!strcasecmp (arr[i], "scale"))	237	else if (!strcasecmp (arr[i], "scale"))
…		…
286	x = y = centerAlign;	245	x = y = centerAlign;
287	geom_flags |= WidthValue|HeightValue|XValue|YValue;	246	geom_flags |= WidthValue|HeightValue|XValue|YValue;
288	}	247	}
289	else if (!strcasecmp (arr[i], "root"))	248	else if (!strcasecmp (arr[i], "root"))
290	{	249	{
291	new_flags |= BG_TILE|BG_ROOT_ALIGN;	250	new_flags |= IM_TILE|IM_ROOT_ALIGN;
292	w = h = noScale;	251	w = h = noScale;
293	geom_flags |= WidthValue|HeightValue;	252	geom_flags |= WidthValue|HeightValue;
294	}	253	}
295		254
296	else	255	else
297	geom_flags |= XParseGeometry (arr[i], &x, &y, &w, &h);	256	geom_flags |= XParseGeometry (arr[i], &x, &y, &w, &h);
298	} /* done parsing ops */	257	} /* done parsing ops */
299		258
300	rxvt_free_strsplit (arr);	259	rxvt_free_strsplit (arr);
301	}	260	}
		261
		262	new_flags |= flags & ~IM_GEOMETRY_FLAGS;
302		263
303	if (!update)	264	if (!update)
304	{	265	{
305	if (!(geom_flags & XValue))	266	if (!(geom_flags & XValue))
306	x = y = defaultAlign;	267	x = y = defaultAlign;
…		…
311	w = h = defaultScale;	272	w = h = defaultScale;
312	else if (!(geom_flags & HeightValue))	273	else if (!(geom_flags & HeightValue))
313	h = w;	274	h = w;
314	else if (!(geom_flags & WidthValue))	275	else if (!(geom_flags & WidthValue))
315	w = h;	276	w = h;
316
317	geom_flags |= WidthValue|HeightValue|XValue|YValue;
318	}
319
320	if (check_set_scale_value (geom_flags, WidthValue, h_scale, w)) changed = true;
321	if (check_set_scale_value (geom_flags, HeightValue, v_scale, h)) changed = true;
322	if (check_set_align_value (geom_flags, XValue, h_align, x)) changed = true;
323	if (check_set_align_value (geom_flags, YValue, v_align, y)) changed = true;
324
325	if (new_flags != bg_flags)
326	{	277	}
		278
		279	min_it (w, 1000);
		280	min_it (h, 1000);
		281	clamp_it (x, -100, 200);
		282	clamp_it (y, -100, 200);
		283
		284	if (flags != new_flags
		285	|| h_scale != w
		286	|| v_scale != h
		287	|| h_align != x
		288	|| v_align != y)
		289	{
327	bg_flags = new_flags;	290	flags = new_flags;
		291	h_scale = w;
		292	v_scale = h;
		293	h_align = x;
		294	v_align = y;
328	changed = true;	295	changed = true;
329	}	296	}
330		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
331	return changed;	305	return changed;
332	}	306	}
333		307
334	void	308	void
335	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)
336	{	310	{
		311	int image_width = image.width ();
		312	int image_height = image.height ();
337	int target_width = szHint.width;	313	int target_width = szHint.width;
338	int target_height = szHint.height;	314	int target_height = szHint.height;
339		315
340	w = h_scale * target_width / 100;	316	w = image.h_scale * target_width / 100;
341	h = v_scale * target_height / 100;	317	h = image.v_scale * target_height / 100;
342		318
343	if (bg_flags & BG_PROP_SCALE)	319	if (image.flags & IM_KEEP_ASPECT)
344	{	320	{
345	float scale = (float)w / image_width;	321	float scale = (float)w / image_width;
346	min_it (scale, (float)h / image_height);	322	min_it (scale, (float)h / image_height);
347	w = image_width * scale + 0.5;	323	w = image_width * scale + 0.5;
348	h = image_height * scale + 0.5;	324	h = image_height * scale + 0.5;
349	}	325	}
350		326
351	if (!w) w = image_width;	327	if (!w) w = image_width;
352	if (!h) h = image_height;	328	if (!h) h = image_height;
353		329
354	if (bg_flags & BG_ROOT_ALIGN)	330	if (image.flags & IM_ROOT_ALIGN)
355	{	331	{
356	x = -target_x;	332	x = -target_x;
357	y = -target_y;	333	y = -target_y;
358	}	334	}
359	else	335	else
360	{	336	{
361	x = make_align_position (h_align, target_width, w);	337	x = make_align_position (image.h_align, target_width, w);
362	y = make_align_position (v_align, target_height, h);	338	y = make_align_position (image.v_align, target_height, h);
363	}
364
365	bg_flags &= ~BG_IS_SIZE_SENSITIVE;
366	if (!(bg_flags & BG_TILE)
367	|| h_scale || v_scale
368	|| (!(bg_flags & BG_ROOT_ALIGN) && (h_align || v_align))
369	|| w > target_width || h > target_height)
370	bg_flags |= BG_IS_SIZE_SENSITIVE;
371	}
372
373	# ifdef HAVE_AFTERIMAGE
374	bool
375	rxvt_term::render_image (unsigned long tr_flags)
376	{
377	init_asv ();
378
379	ASImage *background = NULL;
380	ARGB32 background_tint = TINT_LEAVE_SAME;
381
382	# ifdef ENABLE_TRANSPARENCY
383	if (tr_flags)
384	background = pixmap2ximage (asv, bg_pixmap, 0, 0, bg_pmap_width, bg_pmap_height, AllPlanes, 100);
385
386	if (tr_flags & BG_NEEDS_TINT)
387	{	339	}
388	ShadingInfo as_shade;	340	}
389	as_shade.shading = shade;
390		341
391	rgba c (rgba::MAX_CC,rgba::MAX_CC,rgba::MAX_CC);	342	# ifdef HAVE_PIXBUF
392	if (bg_flags & BG_TINT_SET)	343	bool
393	tint.get (c);	344	rxvt_term::pixbuf_to_pixmap (GdkPixbuf *pixbuf, Pixmap pixmap, GC gc,
394	as_shade.tintColor.red = c.r;	345	int src_x, int src_y, int dst_x, int dst_y,
395	as_shade.tintColor.green = c.g;	346	unsigned int width, unsigned int height)
396	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;
397		356
398	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)))
399	}	391	{
400		392	XDestroyImage (ximage);
401	if ((tr_flags & BG_NEEDS_BLUR) && background != NULL)	393	return false;
402	{	394	}
403	ASImage *tmp = blur_asimage_gauss (asv, background, h_blurRadius, v_blurRadius, 0xFFFFFFFF,	395
404	(original_asim == NULL || tint == TINT_LEAVE_SAME) ? ASA_XImage : ASA_ASImage,	396	ximage->byte_order = ecb_big_endian () ? MSBFirst : LSBFirst;
405	100, ASIMAGE_QUALITY_DEFAULT);	397
406	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)
407	{	422	{
408	destroy_asimage (&background);	423	a = pixel[3];
409	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);
410	}	445	}
411	}
412	# endif
413		446
414	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);
415		471
416	int target_width = szHint.width;	472	int target_width = szHint.width;
417	int target_height = szHint.height;	473	int target_height = szHint.height;
418	int new_pmap_width = target_width;	474	int new_pmap_width = target_width;
419	int new_pmap_height = target_height;	475	int new_pmap_height = target_height;
…		…
421	int x = 0;	477	int x = 0;
422	int y = 0;	478	int y = 0;
423	int w = 0;	479	int w = 0;
424	int h = 0;	480	int h = 0;
425		481
426	if (original_asim)	482	get_image_geometry (image, w, h, x, y);
427	get_image_geometry (original_asim->width, original_asim->height, w, h, x, y);
428		483
429	if (!original_asim
430	|| (!(bg_flags & BG_ROOT_ALIGN)
431	&& (x >= target_width
432	|| y >= target_height
433	|| (x + w <= 0)
434	|| (y + h <= 0))))
435	{
436	if (background)
437	{
438	new_pmap_width = background->width;
439	new_pmap_height = background->height;
440	result = background;
441
442	if (background_tint != TINT_LEAVE_SAME)
443	{
444	ASImage *tmp = tile_asimage (asv, background, 0, 0,
445	target_width, target_height, background_tint,
446	ASA_XImage, 100, ASIMAGE_QUALITY_DEFAULT);
447	if (tmp)
448	result = tmp;
449	}
450	}
451	else
452	new_pmap_width = new_pmap_height = 0;
453	}
454	else
455	{
456	result = original_asim;
457
458	if ((w != original_asim->width)
459	|| (h != original_asim->height))
460	{
461	result = scale_asimage (asv, original_asim,
462	w, h,
463	background ? ASA_ASImage : ASA_XImage,
464	100, ASIMAGE_QUALITY_DEFAULT);
465	}
466
467	if (background == NULL)
468	{
469	if (bg_flags & BG_TILE)
470	{
471	/* if tiling - pixmap has to be sized exactly as the image,
472	but there is no need to make it bigger than the window! */
473	new_pmap_width = min (result->width, target_width);
474	new_pmap_height = min (result->height, target_height);
475
476	/* we also need to tile our image in both directions */
477	ASImage *tmp = tile_asimage (asv, result,
478	(int)result->width - x,
479	(int)result->height - y,
480	new_pmap_width,
481	new_pmap_height,
482	TINT_LEAVE_SAME, ASA_XImage,
483	100, ASIMAGE_QUALITY_DEFAULT);
484	if (tmp)
485	{
486	if (result != original_asim)
487	destroy_asimage (&result);
488
489	result = tmp;
490	}
491	}
492	}
493	else
494	{
495	/* if blending background and image - pixmap has to be sized same as target window */
496	ASImageLayer *layers = create_image_layers (2);
497
498	layers[0].im = background;
499	layers[0].clip_width = target_width;
500	layers[0].clip_height = target_height;
501	layers[0].tint = background_tint;
502	layers[1].im = result;
503
504	if (bg_flags & BG_TILE)
505	{
506	/* tile horizontally */
507	while (x > 0) x -= (int)result->width;
508	layers[1].dst_x = x;
509	layers[1].clip_width = result->width+target_width;
510	}
511	else
512	{
513	/* clip horizontally */
514	layers[1].dst_x = x;
515	layers[1].clip_width = result->width;
516	}
517
518	if (bg_flags & BG_TILE)
519	{
520	while (y > 0) y -= (int)result->height;
521	layers[1].dst_y = y;
522	layers[1].clip_height = result->height + target_height;
523	}
524	else
525	{
526	layers[1].dst_y = y;
527	layers[1].clip_height = result->height;
528	}
529
530	if (rs[Rs_blendtype])
531	{
532	layers[1].merge_scanlines = blend_scanlines_name2func (rs[Rs_blendtype]);
533	if (layers[1].merge_scanlines == NULL)
534	layers[1].merge_scanlines = alphablend_scanlines;
535	}
536
537	ASImage *tmp = merge_layers (asv, layers, 2, target_width, target_height,
538	ASA_XImage, 0, ASIMAGE_QUALITY_DEFAULT);
539
540	if (tmp)
541	{
542	if (result != original_asim)
543	destroy_asimage (&result);
544
545	result = tmp;
546	}
547
548	free (layers);
549	}
550	}
551
552	bool ret = false;
553
554	if (result)
555	{
556	XGCValues gcv;
557	GC gc;
558
559	/* create Pixmap */
560	if (bg_pixmap == None
561	|| bg_pmap_width != new_pmap_width
562	|| bg_pmap_height != new_pmap_height)
563	{
564	if (bg_pixmap)
565	XFreePixmap (dpy, bg_pixmap);
566	bg_pixmap = XCreatePixmap (dpy, vt, new_pmap_width, new_pmap_height, depth);
567	bg_pmap_width = new_pmap_width;
568	bg_pmap_height = new_pmap_height;
569	}
570	/* fill with background color (if result's not completely overlapping it) */
571	gcv.foreground = pix_colors[Color_bg];
572	gc = XCreateGC (dpy, vt, GCForeground, &gcv);
573
574	int src_x = 0, src_y = 0, dst_x = 0, dst_y = 0;
575	int dst_width = result->width, dst_height = result->height;
576	if (background == NULL)
577	{
578	if (!(bg_flags & BG_TILE))
579	{
580	src_x = make_clip_rectangle (x, result->width , new_pmap_width , dst_x, dst_width );
581	src_y = make_clip_rectangle (y, result->height, new_pmap_height, dst_y, dst_height);
582	}
583
584	if (dst_x > 0 || dst_y > 0
585	|| dst_x + dst_width < new_pmap_width
586	|| dst_y + dst_height < new_pmap_height)
587	XFillRectangle (dpy, bg_pixmap, gc, 0, 0, new_pmap_width, new_pmap_height);
588	}
589
590	/* put result on pixmap */
591	if (dst_x < new_pmap_width && dst_y < new_pmap_height)
592	asimage2drawable (asv, bg_pixmap, result, gc, src_x, src_y, dst_x, dst_y, dst_width, dst_height, True);
593
594	if (result != background && result != original_asim)
595	destroy_asimage (&result);
596
597	XFreeGC (dpy, gc);
598
599	ret = true;
600	}
601
602	if (background)
603	destroy_asimage (&background);
604
605	return ret;
606	}
607	# endif /* HAVE_AFTERIMAGE */
608
609	# ifdef HAVE_PIXBUF
610	bool
611	rxvt_term::pixbuf_to_pixmap (GdkPixbuf *pixbuf, Pixmap pixmap, GC gc,
612	int src_x, int src_y, int dst_x, int dst_y,
613	unsigned int width, unsigned int height)
614	{
615	XImage *ximage;
616	char *data, *line;
617	int bytes_per_pixel;
618	int width_r, width_g, width_b;
619	int sh_r, sh_g, sh_b;
620	int rowstride;
621	int channels;
622	unsigned char *row;
623
624	if (visual->c_class != TrueColor)
625	return false;
626
627	if (depth == 24 || depth == 32)
628	bytes_per_pixel = 4;
629	else if (depth == 15 || depth == 16)
630	bytes_per_pixel = 2;
631	else
632	return false;
633
634	width_r = ecb_popcount32 (visual->red_mask);
635	width_g = ecb_popcount32 (visual->green_mask);
636	width_b = ecb_popcount32 (visual->blue_mask);
637
638	if (width_r > 8 || width_g > 8 || width_b > 8)
639	return false;
640
641	sh_r = ecb_ctz32 (visual->red_mask);
642	sh_g = ecb_ctz32 (visual->green_mask);
643	sh_b = ecb_ctz32 (visual->blue_mask);
644
645	if (width > INT_MAX / height / bytes_per_pixel)
646	return false;
647
648	data = (char *)malloc (width * height * bytes_per_pixel);
649	if (!data)
650	return false;
651
652	ximage = XCreateImage (dpy, visual, depth, ZPixmap, 0, data,
653	width, height, bytes_per_pixel * 8, 0);
654	if (!ximage)
655	{
656	free (data);
657	return false;
658	}
659
660	ximage->byte_order = ecb_big_endian () ? MSBFirst : LSBFirst;
661
662	rowstride = gdk_pixbuf_get_rowstride (pixbuf);
663	channels = gdk_pixbuf_get_n_channels (pixbuf);
664	row = gdk_pixbuf_get_pixels (pixbuf) + src_y * rowstride + src_x * channels;
665	line = data;
666
667	for (int y = 0; y < height; y++)
668	{
669	for (int x = 0; x < width; x++)
670	{
671	unsigned char *pixel = row + x * channels;
672	uint32_t value;
673
674	value = ((pixel[0] >> (8 - width_r)) << sh_r)
675	| ((pixel[1] >> (8 - width_g)) << sh_g)
676	| ((pixel[2] >> (8 - width_b)) << sh_b);
677
678	if (bytes_per_pixel == 4)
679	((uint32_t *)line)[x] = value;
680	else
681	((uint16_t *)line)[x] = value;
682	}
683
684	row += rowstride;
685	line += ximage->bytes_per_line;
686	}
687
688	XPutImage (dpy, pixmap, gc, ximage, 0, 0, dst_x, dst_y, width, height);
689	XDestroyImage (ximage);
690	return true;
691	}
692
693	bool
694	rxvt_term::render_image (unsigned long tr_flags)
695	{
696	if (!pixbuf)
697	return false;
698
699	if (tr_flags
700	&& !(bg_flags & BG_HAS_RENDER))
701	return false;
702
703	GdkPixbuf *result;
704
705	int image_width = gdk_pixbuf_get_width (pixbuf);
706	int image_height = gdk_pixbuf_get_height (pixbuf);
707
708	int target_width = szHint.width;
709	int target_height = szHint.height;
710	int new_pmap_width = target_width;
711	int new_pmap_height = target_height;
712
713	int x = 0;
714	int y = 0;
715	int w = 0;
716	int h = 0;
717
718	get_image_geometry (image_width, image_height, w, h, x, y);
719
720	if (!(bg_flags & BG_ROOT_ALIGN)	484	if (!(image.flags & IM_ROOT_ALIGN)
721	&& (x >= target_width	485	&& (x >= target_width
722	|| y >= target_height	486	|| y >= target_height
723	|| (x + w <= 0)	487	|| x + w <= 0
724	|| (y + h <= 0)))	488	|| y + h <= 0))
725	return false;	489	return false;
726		490
727	result = pixbuf;	491	result = pixbuf;
728		492
729	if ((w != image_width)	493	if (w != image_width
730	|| (h != image_height))	494	|| h != image_height)
731	{	495	{
732	result = gdk_pixbuf_scale_simple (pixbuf,	496	result = gdk_pixbuf_scale_simple (pixbuf,
733	w, h,	497	w, h,
734	GDK_INTERP_BILINEAR);	498	GDK_INTERP_BILINEAR);
735	}	499	}
…		…
744	Pixmap root_pmap;	508	Pixmap root_pmap;
745		509
746	image_width = gdk_pixbuf_get_width (result);	510	image_width = gdk_pixbuf_get_width (result);
747	image_height = gdk_pixbuf_get_height (result);	511	image_height = gdk_pixbuf_get_height (result);
748		512
749	if (tr_flags)	513	if (transparent)
750	{	514	{
751	root_pmap = bg_pixmap;	515	root_pmap = bg_pixmap;
752	bg_pixmap = None;	516	bg_pixmap = None;
753	}	517	}
754	else	518	else
755	{	519	{
756	if (bg_flags & BG_TILE)	520	if (image.flags & IM_TILE)
757	{	521	{
758	new_pmap_width = min (image_width, target_width);	522	new_pmap_width = min (image_width, target_width);
759	new_pmap_height = min (image_height, target_height);	523	new_pmap_height = min (image_height, target_height);
760	}	524	}
761	}	525	}
…		…
774	gcv.foreground = pix_colors[Color_bg];	538	gcv.foreground = pix_colors[Color_bg];
775	gc = XCreateGC (dpy, vt, GCForeground, &gcv);	539	gc = XCreateGC (dpy, vt, GCForeground, &gcv);
776		540
777	if (gc)	541	if (gc)
778	{	542	{
779	if (bg_flags & BG_TILE)	543	if (image.flags & IM_TILE)
780	{	544	{
781	Pixmap tile = XCreatePixmap (dpy, vt, image_width, image_height, depth);	545	Pixmap tile = XCreatePixmap (dpy, vt, image_width, image_height, depth);
782	pixbuf_to_pixmap (result, tile, gc,	546	pixbuf_to_pixmap (result, tile, gc,
783	0, 0,	547	0, 0,
784	0, 0,	548	0, 0,
…		…
812	dst_x, dst_y,	576	dst_x, dst_y,
813	dst_width, dst_height);	577	dst_width, dst_height);
814	}	578	}
815		579
816	#if XRENDER	580	#if XRENDER
817	if (tr_flags)	581	if (transparent)
818	{	582	{
819	XRenderPictureAttributes pa;
820
821	XRenderPictFormat *src_format = XRenderFindVisualFormat (dpy, visual);	583	XRenderPictFormat *format = XRenderFindVisualFormat (dpy, visual);
		584
822	Picture src = XRenderCreatePicture (dpy, root_pmap, src_format, 0, &pa);	585	Picture src = XRenderCreatePicture (dpy, root_pmap, format, 0, 0);
823		586
824	XRenderPictFormat *dst_format = XRenderFindVisualFormat (dpy, visual);
825	Picture dst = XRenderCreatePicture (dpy, bg_pixmap, dst_format, 0, &pa);	587	Picture dst = XRenderCreatePicture (dpy, bg_pixmap, format, 0, 0);
826		588
827	pa.repeat = True;	589	Picture mask = create_xrender_mask (dpy, vt, False, False);
828	Pixmap mask_pmap = XCreatePixmap (dpy, vt, 1, 1, 8);
829	XRenderPictFormat *mask_format = XRenderFindStandardFormat (dpy, PictStandardA8);
830	Picture mask = XRenderCreatePicture (dpy, mask_pmap, mask_format, CPRepeat, &pa);
831	XFreePixmap (dpy, mask_pmap);
832		590
833	XRenderColor mask_c;	591	XRenderColor mask_c;
834		592
835	mask_c.alpha = 0x8000;	593	mask_c.alpha = 0x8000;
836	mask_c.red = 0;	594	mask_c.red =
837	mask_c.green = 0;	595	mask_c.green =
838	mask_c.blue = 0;	596	mask_c.blue = 0;
839	XRenderFillRectangle (dpy, PictOpSrc, mask, &mask_c, 0, 0, 1, 1);	597	XRenderFillRectangle (dpy, PictOpSrc, mask, &mask_c, 0, 0, 1, 1);
		598
840	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);
841		600
842	XRenderFreePicture (dpy, src);	601	XRenderFreePicture (dpy, src);
843	XRenderFreePicture (dpy, dst);	602	XRenderFreePicture (dpy, dst);
844	XRenderFreePicture (dpy, mask);	603	XRenderFreePicture (dpy, mask);
…		…
851	}	610	}
852		611
853	if (result != pixbuf)	612	if (result != pixbuf)
854	g_object_unref (result);	613	g_object_unref (result);
855		614
856	if (tr_flags)	615	if (transparent)
857	XFreePixmap (dpy, root_pmap);	616	XFreePixmap (dpy, root_pmap);
858		617
859	return ret;	618	return ret;
860	}	619	}
861	# endif /* HAVE_PIXBUF */	620	# endif /* HAVE_PIXBUF */
862		621
863	bool	622	bool
864	rxvt_term::bg_set_file (const char *file)	623	rxvt_image::set_file (const char *file)
865	{	624	{
866	if (!file || !*file)	625	if (!file || !*file)
867	return false;	626	return false;
868		627
		628	bool ret = false;
869	if (const char *p = strchr (file, ';'))	629	const char *p = strchr (file, ';');
		630
		631	if (p)
870	{	632	{
871	size_t len = p - file;	633	size_t len = p - file;
872	char *f = rxvt_temp_buf<char> (len + 1);	634	char *f = rxvt_temp_buf<char> (len + 1);
873	memcpy (f, file, len);	635	memcpy (f, file, len);
874	f[len] = '\0';	636	f[len] = '\0';
875	file = f;	637	file = f;
876	}	638	}
877		639
878	# ifdef HAVE_AFTERIMAGE
879	if (!asimman)
880	asimman = create_generic_imageman (rs[Rs_path]);
881	ASImage *image = get_asimage (asimman, file, 0xFFFFFFFF, 100);
882	if (image)
883	{
884	if (original_asim)
885	safe_asimage_destroy (original_asim);
886	original_asim = image;
887	bg_flags |= BG_IS_FROM_FILE | BG_CLIENT_RENDER;
888	return true;
889	}
890	# endif
891
892	# ifdef HAVE_PIXBUF	640	# ifdef HAVE_PIXBUF
893	GdkPixbuf *image = gdk_pixbuf_new_from_file (file, NULL);	641	GdkPixbuf *image = gdk_pixbuf_new_from_file (file, NULL);
894	if (image)	642	if (image)
895	{	643	{
896	if (pixbuf)	644	if (pixbuf)
897	g_object_unref (pixbuf);	645	g_object_unref (pixbuf);
898	pixbuf = image;	646	pixbuf = image;
899	bg_flags |= BG_IS_FROM_FILE;	647	flags |= IM_IS_SET;
900	return true;	648	ret = true;
901	}	649	}
902	# endif	650	# endif
903		651
		652	if (ret)
		653	{
		654	if (p)
		655	set_geometry (p + 1);
		656	else
		657	set_default_geometry ();
		658	}
		659
904	return false;	660	return ret;
905	}	661	}
906		662
907	# endif /* BG_IMAGE_FROM_FILE */	663	# endif /* BG_IMAGE_FROM_FILE */
908		664
909	# ifdef ENABLE_TRANSPARENCY	665	# ifdef ENABLE_TRANSPARENCY
910	bool
911	rxvt_term::bg_set_transparent ()
912	{
913	if (!(bg_flags & BG_IS_TRANSPARENT))
914	{
915	bg_flags |= BG_IS_TRANSPARENT;
916	return true;
917	}
918
919	return false;
920	}
921
922	bool	666	bool
923	rxvt_term::bg_set_blur (const char *geom)	667	rxvt_term::bg_set_blur (const char *geom)
924	{	668	{
925	bool changed = false;	669	bool changed = false;
926	unsigned int hr, vr;	670	unsigned int hr, vr;
…		…
945	{	689	{
946	changed = true;	690	changed = true;
947	v_blurRadius = vr;	691	v_blurRadius = vr;
948	}	692	}
949		693
950	if (v_blurRadius == 0 && h_blurRadius == 0)
951	bg_flags &= ~BG_NEEDS_BLUR;
952	else
953	bg_flags |= BG_NEEDS_BLUR;
954
955	return changed;	694	return changed;
956	}	695	}
957		696
958	void	697	bool
959	rxvt_term::set_tint_shade_flags ()	698	rxvt_term::bg_set_tint (rxvt_color &new_tint)
960	{	699	{
961	rgba c (rgba::MAX_CC,rgba::MAX_CC,rgba::MAX_CC);	700	if (!(bg_flags & BG_TINT_SET) || tint != new_tint)
962	bool has_shade = shade != 100;	701	{
963		702	tint = new_tint;
964	bg_flags &= ~BG_TINT_FLAGS;	703	bg_flags |= BG_TINT_SET;
965		704
966	if (bg_flags & BG_TINT_SET)	705	rgba c;
967	{
968	tint.get (c);	706	tint.get (c);
969	if (!has_shade
970	&& (c.r <= 0x00ff || c.r >= 0xff00)	707	if ((c.r <= 0x00ff || c.r >= 0xff00)
971	&& (c.g <= 0x00ff || c.g >= 0xff00)	708	&& (c.g <= 0x00ff || c.g >= 0xff00)
972	&& (c.b <= 0x00ff || c.b >= 0xff00))	709	&& (c.b <= 0x00ff || c.b >= 0xff00))
973	bg_flags |= BG_TINT_BITAND;	710	bg_flags |= BG_TINT_BITAND;
974	}	711	else
975
976	if (has_shade || (bg_flags & BG_TINT_SET))
977	bg_flags |= BG_NEEDS_TINT;
978	}
979
980	bool
981	rxvt_term::bg_set_tint (rxvt_color &new_tint)
982	{
983	if (!(bg_flags & BG_TINT_SET) || tint != new_tint)
984	{
985	tint = new_tint;
986	bg_flags |= BG_TINT_SET;	712	bg_flags &= ~BG_TINT_BITAND;
987	set_tint_shade_flags ();	713
988	return true;	714	return true;
989	}	715	}
990		716
991	return false;	717	return false;
992	}	718	}
993		719
994	bool	720	bool
995	rxvt_term::bg_set_shade (const char *shade_str)	721	rxvt_term::bg_set_shade (const char *shade_str)
996	{	722	{
997	int new_shade = (shade_str) ? atoi (shade_str) : 100;	723	int new_shade = atoi (shade_str);
998		724
999	clamp_it (new_shade, -100, 200);	725	clamp_it (new_shade, -100, 200);
1000	if (new_shade < 0)	726	if (new_shade < 0)
1001	new_shade = 200 - (100 + new_shade);	727	new_shade = 200 - (100 + new_shade);
1002		728
1003	if (new_shade != shade)	729	if (new_shade != shade)
1004	{	730	{
1005	shade = new_shade;	731	shade = new_shade;
1006	set_tint_shade_flags ();
1007	return true;	732	return true;
1008	}	733	}
1009		734
1010	return false;	735	return false;
1011	}	736	}
…		…
1032	params[i+2] = XDoubleToFixed (kernel[i] / sum);	757	params[i+2] = XDoubleToFixed (kernel[i] / sum);
1033	}	758	}
1034	#endif	759	#endif
1035		760
1036	bool	761	bool
1037	rxvt_term::blur_pixmap (Pixmap pixmap, Visual *visual, int width, int height)	762	rxvt_term::blur_pixmap (Pixmap pixmap, int width, int height)
1038	{	763	{
1039	bool ret = false;	764	bool ret = false;
1040	#if XRENDER	765	#if XRENDER
		766	if (!(bg_flags & BG_HAS_RENDER_CONV))
		767	return false;
		768
1041	int size = max (h_blurRadius, v_blurRadius) * 2 + 1;	769	int size = max (h_blurRadius, v_blurRadius) * 2 + 1;
1042	double *kernel = (double *)malloc (size * sizeof (double));	770	double *kernel = (double *)malloc (size * sizeof (double));
1043	XFixed *params = (XFixed *)malloc ((size + 2) * sizeof (XFixed));	771	XFixed *params = (XFixed *)malloc ((size + 2) * sizeof (XFixed));
1044		772
1045	XRenderPictureAttributes pa;	773	XRenderPictureAttributes pa;
1046	XRenderPictFormat *format = XRenderFindVisualFormat (dpy, visual);	774	XRenderPictFormat *format = XRenderFindVisualFormat (dpy, visual);
1047		775
		776	pa.repeat = RepeatPad;
1048	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);
1049	Picture dst = XRenderCreatePicture (dpy, pixmap, format, 0, &pa);	779	Picture dst = XRenderCreatePicture (dpy, tmp, format, CPRepeat, &pa);
		780	XFreePixmap (dpy, tmp);
1050		781
1051	if (kernel && params)	782	if (kernel && params)
1052	{	783	{
1053	if (h_blurRadius)
1054	{
1055	size = h_blurRadius * 2 + 1;	784	size = h_blurRadius * 2 + 1;
1056	get_gaussian_kernel (h_blurRadius, size, kernel, params);	785	get_gaussian_kernel (h_blurRadius, size, kernel, params);
1057		786
1058	XRenderSetPictureFilter (dpy, src, FilterConvolution, params, size+2);	787	XRenderSetPictureFilter (dpy, src, FilterConvolution, params, size+2);
1059	XRenderComposite (dpy,	788	XRenderComposite (dpy,
1060	PictOpSrc,	789	PictOpSrc,
1061	src,	790	src,
1062	None,	791	None,
1063	dst,	792	dst,
1064	0, 0,	793	0, 0,
1065	0, 0,	794	0, 0,
1066	0, 0,	795	0, 0,
1067	width, height);	796	width, height);
1068	}
1069		797
1070	if (v_blurRadius)	798	::swap (src, dst);
1071	{	799
1072	size = v_blurRadius * 2 + 1;	800	size = v_blurRadius * 2 + 1;
1073	get_gaussian_kernel (v_blurRadius, size, kernel, params);	801	get_gaussian_kernel (v_blurRadius, size, kernel, params);
1074	::swap (params[0], params[1]);	802	::swap (params[0], params[1]);
1075		803
1076	XRenderSetPictureFilter (dpy, src, FilterConvolution, params, size+2);	804	XRenderSetPictureFilter (dpy, src, FilterConvolution, params, size+2);
1077	XRenderComposite (dpy,	805	XRenderComposite (dpy,
1078	PictOpSrc,	806	PictOpSrc,
1079	src,	807	src,
1080	None,	808	None,
1081	dst,	809	dst,
1082	0, 0,	810	0, 0,
1083	0, 0,	811	0, 0,
1084	0, 0,	812	0, 0,
1085	width, height);	813	width, height);
1086	}
1087		814
1088	ret = true;	815	ret = true;
1089	}	816	}
1090		817
1091	free (kernel);	818	free (kernel);
…		…
1095	#endif	822	#endif
1096	return ret;	823	return ret;
1097	}	824	}
1098		825
1099	bool	826	bool
1100	rxvt_term::tint_pixmap (Pixmap pixmap, Visual *visual, int width, int height)	827	rxvt_term::tint_pixmap (Pixmap pixmap, int width, int height)
1101	{	828	{
1102	bool ret = false;	829	bool ret = false;
1103		830
1104	if (bg_flags & BG_TINT_BITAND)	831	if (shade == 100 && (bg_flags & BG_TINT_BITAND))
1105	{	832	{
1106	XGCValues gcv;	833	XGCValues gcv;
1107	GC gc;	834	GC gc;
1108		835
1109	/* In this case we can tint image server-side getting significant	836	/* In this case we can tint image server-side getting significant
…		…
1118	XFillRectangle (dpy, pixmap, gc, 0, 0, width, height);	845	XFillRectangle (dpy, pixmap, gc, 0, 0, width, height);
1119	ret = true;	846	ret = true;
1120	XFreeGC (dpy, gc);	847	XFreeGC (dpy, gc);
1121	}	848	}
1122	}	849	}
1123	else
1124	{
1125	# if XRENDER	850	# if XRENDER
		851	else if (bg_flags & BG_HAS_RENDER)
		852	{
1126	rgba c (rgba::MAX_CC, rgba::MAX_CC, rgba::MAX_CC);	853	rgba c (rgba::MAX_CC, rgba::MAX_CC, rgba::MAX_CC);
1127		854
1128	if (bg_flags & BG_TINT_SET)	855	if (bg_flags & BG_TINT_SET)
1129	tint.get (c);	856	tint.get (c);
1130		857
…		…
1139	c.r = c.r * (200 - shade) / 100;	866	c.r = c.r * (200 - shade) / 100;
1140	c.g = c.g * (200 - shade) / 100;	867	c.g = c.g * (200 - shade) / 100;
1141	c.b = c.b * (200 - shade) / 100;	868	c.b = c.b * (200 - shade) / 100;
1142	}	869	}
1143		870
1144	XRenderPictFormat *solid_format = XRenderFindStandardFormat (dpy, PictStandardARGB32);
1145	XRenderPictFormat *format = XRenderFindVisualFormat (dpy, visual);	871	XRenderPictFormat *format = XRenderFindVisualFormat (dpy, visual);
1146	XRenderPictureAttributes pa;
1147		872
1148	Picture back_pic = XRenderCreatePicture (dpy, pixmap, format, 0, &pa);	873	Picture back_pic = XRenderCreatePicture (dpy, pixmap, format, 0, 0);
1149		874
1150	pa.repeat = True;	875	Picture overlay_pic = create_xrender_mask (dpy, pixmap, True, False);
1151		876
1152	Pixmap overlay_pmap = XCreatePixmap (dpy, pixmap, 1, 1, 32);	877	Picture mask_pic = create_xrender_mask (dpy, pixmap, True, True);
1153	Picture overlay_pic = XRenderCreatePicture (dpy, overlay_pmap, solid_format, CPRepeat, &pa);
1154	XFreePixmap (dpy, overlay_pmap);
1155
1156	pa.component_alpha = True;
1157	Pixmap mask_pmap = XCreatePixmap (dpy, pixmap, 1, 1, 32);
1158	Picture mask_pic = XRenderCreatePicture (dpy, mask_pmap, solid_format, CPRepeat | CPComponentAlpha, &pa);
1159	XFreePixmap (dpy, mask_pmap);
1160		878
1161	XRenderColor mask_c;	879	XRenderColor mask_c;
1162		880
1163	mask_c.alpha = 0xffff;	881	mask_c.alpha = 0xffff;
1164	mask_c.red =	882	mask_c.red =
…		…
1169	mask_c.alpha = 0;	887	mask_c.alpha = 0;
1170	mask_c.red = 0xffff - c.r;	888	mask_c.red = 0xffff - c.r;
1171	mask_c.green = 0xffff - c.g;	889	mask_c.green = 0xffff - c.g;
1172	mask_c.blue = 0xffff - c.b;	890	mask_c.blue = 0xffff - c.b;
1173	XRenderFillRectangle (dpy, PictOpSrc, mask_pic, &mask_c, 0, 0, 1, 1);	891	XRenderFillRectangle (dpy, PictOpSrc, mask_pic, &mask_c, 0, 0, 1, 1);
		892
1174	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);
1175		894
1176	if (shade > 100)	895	if (shade > 100)
1177	{	896	{
1178	mask_c.red = mask_c.green = mask_c.blue = 0xffff * (shade - 100) / 100;
1179	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;
1180	XRenderFillRectangle (dpy, PictOpSrc, overlay_pic, &mask_c, 0, 0, 1, 1);	901	XRenderFillRectangle (dpy, PictOpSrc, overlay_pic, &mask_c, 0, 0, 1, 1);
1181		902
1182	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);
1183	}	904	}
1184		905
1185	ret = true;	906	ret = true;
1186		907
1187	XRenderFreePicture (dpy, mask_pic);	908	XRenderFreePicture (dpy, mask_pic);
1188	XRenderFreePicture (dpy, overlay_pic);	909	XRenderFreePicture (dpy, overlay_pic);
1189	XRenderFreePicture (dpy, back_pic);	910	XRenderFreePicture (dpy, back_pic);
		911	}
1190	# endif	912	# endif
1191	}
1192		913
1193	return ret;	914	return ret;
1194	}	915	}
1195		916
1196	/*	917	/*
1197	* 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
1198	* 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
1199	* our window.	920	* our window.
1200	*/	921	*/
1201	unsigned long	922	bool
1202	rxvt_term::make_transparency_pixmap ()	923	rxvt_term::make_transparency_pixmap ()
1203	{	924	{
1204	unsigned long result = 0;	925	bool ret = false;
1205		926
1206	/* 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
1207	* be always up-to-date, so let's use it :	928	* be always up-to-date, so let's use it :
1208	*/	929	*/
1209	int screen = display->screen;	930	int screen = display->screen;
…		…
1247	#if XRENDER	968	#if XRENDER
1248	if (bg_flags & BG_HAS_RENDER)	969	if (bg_flags & BG_HAS_RENDER)
1249	{	970	{
1250	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);
1251		972
1252	XRenderPictureAttributes pa;
1253
1254	XRenderPictFormat *src_format = XRenderFindVisualFormat (dpy, DefaultVisual (dpy, screen));	973	XRenderPictFormat *src_format = XRenderFindVisualFormat (dpy, DefaultVisual (dpy, screen));
1255	Picture src = XRenderCreatePicture (dpy, root_pixmap, src_format, 0, &pa);	974	Picture src = XRenderCreatePicture (dpy, root_pixmap, src_format, 0, 0);
1256		975
1257	XRenderPictFormat *dst_format = XRenderFindVisualFormat (dpy, visual);	976	XRenderPictFormat *dst_format = XRenderFindVisualFormat (dpy, visual);
1258	Picture dst = XRenderCreatePicture (dpy, recoded_root_pmap, dst_format, 0, &pa);	977	Picture dst = XRenderCreatePicture (dpy, recoded_root_pmap, dst_format, 0, 0);
1259		978
1260	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);
1261		980
1262	XRenderFreePicture (dpy, src);	981	XRenderFreePicture (dpy, src);
1263	XRenderFreePicture (dpy, dst);	982	XRenderFreePicture (dpy, dst);
…		…
1280	bg_pmap_width = window_width;	999	bg_pmap_width = window_width;
1281	bg_pmap_height = window_height;	1000	bg_pmap_height = window_height;
1282	}	1001	}
1283		1002
1284	/* straightforward pixmap copy */	1003	/* straightforward pixmap copy */
1285	while (sx < 0) sx += root_width;	1004	while (sx < 0) sx += root_pmap_width;
1286	while (sy < 0) sy += root_height;	1005	while (sy < 0) sy += root_pmap_height;
1287		1006
1288	gcv.tile = recoded_root_pmap;	1007	gcv.tile = recoded_root_pmap;
1289	gcv.fill_style = FillTiled;	1008	gcv.fill_style = FillTiled;
1290	gcv.ts_x_origin = -sx;	1009	gcv.ts_x_origin = -sx;
1291	gcv.ts_y_origin = -sy;	1010	gcv.ts_y_origin = -sy;
1292	gc = XCreateGC (dpy, vt, GCFillStyle | GCTile | GCTileStipXOrigin | GCTileStipYOrigin, &gcv);	1011	gc = XCreateGC (dpy, vt, GCFillStyle | GCTile | GCTileStipXOrigin | GCTileStipYOrigin, &gcv);
1293		1012
1294	if (gc)	1013	if (gc)
1295	{	1014	{
1296	XFillRectangle (dpy, bg_pixmap, gc, 0, 0, window_width, window_height);	1015	XFillRectangle (dpy, bg_pixmap, gc, 0, 0, window_width, window_height);
1297	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
1298	XFreeGC (dpy, gc);	1046	XFreeGC (dpy, gc);
1299
1300	if (!(bg_flags & BG_CLIENT_RENDER))
1301	{
1302	if ((bg_flags & BG_NEEDS_BLUR)
1303	&& (bg_flags & BG_HAS_RENDER_CONV))
1304	{
1305	if (blur_pixmap (bg_pixmap, visual, window_width, window_height))
1306	result &= ~BG_NEEDS_BLUR;
1307	}
1308	if ((bg_flags & BG_NEEDS_TINT)
1309	&& (bg_flags & (BG_TINT_BITAND | BG_HAS_RENDER)))
1310	{
1311	if (tint_pixmap (bg_pixmap, visual, window_width, window_height))
1312	result &= ~BG_NEEDS_TINT;
1313	}
1314	} /* server side rendering completed */
1315	}	1047	}
1316		1048
1317	if (recoded_root_pmap != root_pixmap)	1049	if (recoded_root_pmap != root_pixmap)
1318	XFreePixmap (dpy, recoded_root_pmap);	1050	XFreePixmap (dpy, recoded_root_pmap);
1319		1051
1320	return result;	1052	return ret;
1321	}	1053	}
1322		1054
1323	void	1055	void
1324	rxvt_term::bg_set_root_pixmap ()	1056	rxvt_term::bg_set_root_pixmap ()
1325	{	1057	{
…		…
1329		1061
1330	root_pixmap = new_root_pixmap;	1062	root_pixmap = new_root_pixmap;
1331	}	1063	}
1332	# endif /* ENABLE_TRANSPARENCY */	1064	# endif /* ENABLE_TRANSPARENCY */
1333		1065
1334	#if defined(ENABLE_TRANSPARENCY) && !defined(HAVE_AFTERIMAGE)
1335	static void shade_ximage (Visual *visual, XImage *ximage, int shade, const rgba &c);
1336	# endif
1337
1338	bool	1066	bool
1339	rxvt_term::bg_render ()	1067	rxvt_term::bg_render ()
1340	{	1068	{
1341	unsigned long tr_flags = 0;	1069	bool transparent = false;
1342		1070
1343	bg_invalidate ();	1071	bg_invalidate ();
1344	# ifdef ENABLE_TRANSPARENCY	1072	# ifdef ENABLE_TRANSPARENCY
1345	if (bg_flags & BG_IS_TRANSPARENT)	1073	if (bg_flags & BG_IS_TRANSPARENT)
1346	{	1074	{
1347	/* we need to re-generate transparency pixmap in that case ! */	1075	/* we need to re-generate transparency pixmap in that case ! */
1348	tr_flags = make_transparency_pixmap ();	1076	transparent = make_transparency_pixmap ();
1349	if (tr_flags == 0)	1077	if (transparent)
1350	return false;
1351	else if (!(tr_flags & BG_EFFECTS_FLAGS))
1352	bg_flags |= BG_IS_VALID;	1078	bg_flags |= BG_IS_VALID;
1353	}	1079	}
1354	# endif	1080	# endif
1355		1081
1356	# ifdef BG_IMAGE_FROM_FILE	1082	# ifdef BG_IMAGE_FROM_FILE
1357	if ((bg_flags & BG_IS_FROM_FILE)	1083	if (bg_image.flags & IM_IS_SET)
1358	|| (tr_flags & BG_EFFECTS_FLAGS))
1359	{	1084	{
1360	if (render_image (tr_flags))	1085	if (render_image (bg_image, transparent))
1361	bg_flags |= BG_IS_VALID;	1086	bg_flags |= BG_IS_VALID;
1362	}
1363	# endif
1364
1365	# if defined(ENABLE_TRANSPARENCY) && !defined(HAVE_AFTERIMAGE)
1366	XImage *result = NULL;
1367
1368	if (tr_flags && !(bg_flags & BG_IS_VALID))
1369	{
1370	result = XGetImage (dpy, bg_pixmap, 0, 0, bg_pmap_width, bg_pmap_height, AllPlanes, ZPixmap);
1371	}
1372
1373	if (result)
1374	{
1375	/* our own client-side tinting */
1376	if (tr_flags & BG_NEEDS_TINT)
1377	{
1378	rgba c (rgba::MAX_CC,rgba::MAX_CC,rgba::MAX_CC);
1379	if (bg_flags & BG_TINT_SET)
1380	tint.get (c);
1381	shade_ximage (DefaultVisual (dpy, display->screen), result, shade, c);
1382	}
1383
1384	GC gc = XCreateGC (dpy, vt, 0UL, NULL);
1385
1386	if (gc)
1387	{
1388	XPutImage (dpy, bg_pixmap, gc, result, 0, 0, 0, 0, result->width, result->height);
1389
1390	XFreeGC (dpy, gc);
1391	bg_flags |= BG_IS_VALID;
1392	}
1393
1394	XDestroyImage (result);
1395	}	1087	}
1396	# endif	1088	# endif
1397		1089
1398	if (!(bg_flags & BG_IS_VALID))	1090	if (!(bg_flags & BG_IS_VALID))
1399	{	1091	{
…		…
1436	#endif	1128	#endif
1437	}	1129	}
1438		1130
1439	#endif /* HAVE_BG_PIXMAP */	1131	#endif /* HAVE_BG_PIXMAP */
1440		1132
1441	#if defined(ENABLE_TRANSPARENCY) && !defined(HAVE_AFTERIMAGE)	1133	#ifdef ENABLE_TRANSPARENCY
1442	/* taken from aterm-0.4.2 */	1134	/* based on code from aterm-0.4.2 */
1443		1135
1444	static void	1136	static inline void
1445	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)
1446	{	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;
1447	int sh_r, sh_g, sh_b;	1152	int sh_r, sh_g, sh_b;
1448	uint32_t mask_r, mask_g, mask_b;	1153	uint32_t mask_r, mask_g, mask_b;
1449	uint32_t *lookup, *lookup_r, *lookup_g, *lookup_b;	1154	uint32_t *lookup, *lookup_r, *lookup_g, *lookup_b;
1450	rgba low;	1155	unsigned short low;
1451	rgba high;
1452	int i;
1453	int host_byte_order = ecb_big_endian () ? MSBFirst : LSBFirst;	1156	int host_byte_order = ecb_big_endian () ? MSBFirst : LSBFirst;
1454		1157
1455	if (visual->c_class != TrueColor || ximage->format != ZPixmap) return;	1158	if (visual->c_class != TrueColor || ximage->format != ZPixmap) return;
1456		1159
1457	/* for convenience */	1160	/* for convenience */
1458	mask_r = visual->red_mask;	1161	mask_r = visual->red_mask;
1459	mask_g = visual->green_mask;	1162	mask_g = visual->green_mask;
1460	mask_b = visual->blue_mask;	1163	mask_b = visual->blue_mask;
1461		1164
1462	/* boring lookup table pre-initialization */	1165	/* boring lookup table pre-initialization */
1463	switch (ximage->depth)	1166	sh_r = ecb_ctz32 (mask_r);
1464	{	1167	sh_g = ecb_ctz32 (mask_g);
1465	case 15:	1168	sh_b = ecb_ctz32 (mask_b);
1466	if ((mask_r != 0x7c00) ||	1169
1467	(mask_g != 0x03e0) ||	1170	size_r = mask_r >> sh_r;
1468	(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)
1469	return;	1175	return;
1470	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));
1471	lookup_r = lookup;	1178	lookup_r = lookup;
1472	lookup_g = lookup+32;	1179	lookup_g = lookup + size_r;
1473	lookup_b = lookup+32+32;	1180	lookup_b = lookup + size_r + size_g;
1474	sh_r = 10;	1181
1475	sh_g = 5;	1182	rgba c (rgba::MAX_CC, rgba::MAX_CC, rgba::MAX_CC);
1476	sh_b = 0;	1183
1477	break;	1184	if (bg_flags & BG_TINT_SET)
1478	case 16:	1185	tint.get (c);
1479	if ((mask_r != 0xf800) ||
1480	(mask_g != 0x07e0) ||
1481	(mask_b != 0x001f))
1482	return;
1483	lookup = (uint32_t *) malloc (sizeof (uint32_t)*(32+64+32));
1484	lookup_r = lookup;
1485	lookup_g = lookup+32;
1486	lookup_b = lookup+32+64;
1487	sh_r = 11;
1488	sh_g = 5;
1489	sh_b = 0;
1490	break;
1491	case 24:
1492	if ((mask_r != 0xff0000) ||
1493	(mask_g != 0x00ff00) ||
1494	(mask_b != 0x0000ff))
1495	return;
1496	lookup = (uint32_t *) malloc (sizeof (uint32_t)*(256+256+256));
1497	lookup_r = lookup;
1498	lookup_g = lookup+256;
1499	lookup_b = lookup+256+256;
1500	sh_r = 16;
1501	sh_g = 8;
1502	sh_b = 0;
1503	break;
1504	case 32:
1505	if ((mask_r != 0xff0000) ||
1506	(mask_g != 0x00ff00) ||
1507	(mask_b != 0x0000ff))
1508	return;
1509	lookup = (uint32_t *) malloc (sizeof (uint32_t)*(256+256+256));
1510	lookup_r = lookup;
1511	lookup_g = lookup+256;
1512	lookup_b = lookup+256+256;
1513	sh_r = 16;
1514	sh_g = 8;
1515	sh_b = 0;
1516	break;
1517	default:
1518	return; /* we do not support this color depth */
1519	}
1520		1186
1521	/* prepare limits for color transformation (each channel is handled separately) */	1187	/* prepare limits for color transformation (each channel is handled separately) */
1522	if (shade > 100)	1188	if (shade > 100)
1523	{	1189	{
1524	shade = 200 - shade;
1525
1526	high.r = c.r * shade / 100;
1527	high.g = c.g * shade / 100;
1528	high.b = c.b * shade / 100;
1529
1530	low.r = 65535 * (100 - shade) / 100;	1190	c.r = c.r * (200 - shade) / 100;
1531	low.g = 65535 * (100 - shade) / 100;	1191	c.g = c.g * (200 - shade) / 100;
1532	low.b = 65535 * (100 - shade) / 100;	1192	c.b = c.b * (200 - shade) / 100;
		1193
		1194	low = 0xffff * (shade - 100) / 100;
1533	}	1195	}
1534	else	1196	else
1535	{	1197	{
1536	high.r = c.r * shade / 100;	1198	c.r = c.r * shade / 100;
1537	high.g = c.g * shade / 100;	1199	c.g = c.g * shade / 100;
1538	high.b = c.b * shade / 100;	1200	c.b = c.b * shade / 100;
1539		1201
1540	low.r = low.g = low.b = 0;	1202	low = 0;
1541	}	1203	}
1542		1204
1543	/* fill our lookup tables */	1205	/* fill our lookup tables */
1544	for (i = 0; i <= mask_r>>sh_r; i++)	1206	fill_lut (lookup_r, mask_r, sh_r, low, c.r);
1545	{	1207	fill_lut (lookup_g, mask_g, sh_g, low, c.g);
1546	uint32_t tmp;	1208	fill_lut (lookup_b, mask_b, sh_b, low, c.b);
1547	tmp = i * high.r;
1548	tmp += (mask_r>>sh_r) * low.r;
1549	lookup_r[i] = (tmp/65535)<<sh_r;
1550	}
1551	for (i = 0; i <= mask_g>>sh_g; i++)
1552	{
1553	uint32_t tmp;
1554	tmp = i * high.g;
1555	tmp += (mask_g>>sh_g) * low.g;
1556	lookup_g[i] = (tmp/65535)<<sh_g;
1557	}
1558	for (i = 0; i <= mask_b>>sh_b; i++)
1559	{
1560	uint32_t tmp;
1561	tmp = i * high.b;
1562	tmp += (mask_b>>sh_b) * low.b;
1563	lookup_b[i] = (tmp/65535)<<sh_b;
1564	}
1565		1209
1566	/* apply table to input image (replacing colors by newly calculated ones) */	1210	/* apply table to input image (replacing colors by newly calculated ones) */
1567	if (ximage->bits_per_pixel == 32	1211	if (ximage->bits_per_pixel == 32
1568	&& (ximage->depth == 24 || ximage->depth == 32)
1569	&& ximage->byte_order == host_byte_order)	1212	&& ximage->byte_order == host_byte_order)
1570	{	1213	{
1571	uint32_t *p1, *pf, *p, *pl;	1214	char *line = ximage->data;
1572	p1 = (uint32_t *) ximage->data;
1573	pf = (uint32_t *) (ximage->data + ximage->height * ximage->bytes_per_line);
1574		1215
1575	while (p1 < pf)	1216	for (int y = 0; y < ximage->height; y++)
1576	{
1577	p = p1;
1578	pl = p1 + ximage->width;
1579	for (; p < pl; p++)
1580	{	1217	{
1581	*p = lookup_r[(*p & 0xff0000) >> 16] |	1218	uint32_t *p = (uint32_t *)line;
1582	lookup_g[(*p & 0x00ff00) >> 8] |	1219	for (int x = 0; x < ximage->width; x++)
1583	lookup_b[(*p & 0x0000ff)] |
1584	(*p & 0xff000000);
1585	}	1220	{
1586	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;
1587	}	1227	}
1588	}	1228	}
1589	else	1229	else
1590	{	1230	{
1591	for (int y = 0; y < ximage->height; y++)	1231	for (int y = 0; y < ximage->height; y++)
…		…
1599	}	1239	}
1600	}	1240	}
1601		1241
1602	free (lookup);	1242	free (lookup);
1603	}	1243	}
1604	#endif /* defined(ENABLE_TRANSPARENCY) && !defined(HAVE_AFTERIMAGE) */	1244	#endif /* ENABLE_TRANSPARENCY */

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