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Comparing rxvt-unicode/src/background.C (file contents):
Revision 1.159 by sf-exg, Wed Aug 10 07:34:35 2011 UTC vs.
Revision 1.218 by sf-exg, Mon May 21 12:29:22 2012 UTC

…		…
3	*----------------------------------------------------------------------*	3	*----------------------------------------------------------------------*
4	*	4	*
5	* All portions of code are copyright by their respective author/s.	5	* All portions of code are copyright by their respective author/s.
6	* Copyright (c) 2005-2008 Marc Lehmann <schmorp@schmorp.de>	6	* Copyright (c) 2005-2008 Marc Lehmann <schmorp@schmorp.de>
7	* Copyright (c) 2007 Sasha Vasko <sasha@aftercode.net>	7	* Copyright (c) 2007 Sasha Vasko <sasha@aftercode.net>
8	* Copyright (c) 2010 Emanuele Giaquinta <e.giaquinta@glauco.it>	8	* Copyright (c) 2010-2012 Emanuele Giaquinta <e.giaquinta@glauco.it>
9	*	9	*
10	* This program is free software; you can redistribute it and/or modify	10	* This program is free software; you can redistribute it and/or modify
11	* it under the terms of the GNU General Public License as published by	11	* it under the terms of the GNU General Public License as published by
12	* the Free Software Foundation; either version 2 of the License, or	12	* the Free Software Foundation; either version 2 of the License, or
13	* (at your option) any later version.	13	* (at your option) any later version.
…		…
20	* You should have received a copy of the GNU General Public License	20	* You should have received a copy of the GNU General Public License
21	* along with this program; if not, write to the Free Software	21	* along with this program; if not, write to the Free Software
22	* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.	22	* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
23	*---------------------------------------------------------------------*/	23	*---------------------------------------------------------------------*/
24		24
25	#include <cmath>	25	#include <math.h>
26	#include "../config.h" /* NECESSARY */	26	#include "../config.h" /* NECESSARY */
27	#include "rxvt.h" /* NECESSARY */	27	#include "rxvt.h" /* NECESSARY */
28		28
29	#if XRENDER	29	#if XRENDER
30	# include <X11/extensions/Xrender.h>	30	# include <X11/extensions/Xrender.h>
…		…
32		32
33	#ifndef FilterConvolution	33	#ifndef FilterConvolution
34	#define FilterConvolution "convolution"	34	#define FilterConvolution "convolution"
35	#endif	35	#endif
36		36
37	/*	37	#ifndef RepeatPad
38	* Pixmap geometry string interpretation :	38	#define RepeatPad True
39	* Each geometry string contains zero or one scale/position	39	#endif
40	* adjustment and may optionally be followed by a colon and one or more
41	* colon-delimited pixmap operations.
42	* The following table shows the valid geometry strings and their
43	* effects on the background image :
44	*
45	* WxH+X+Y Set scaling to W% by H%, and position to X% by Y%.
46	* W and H are percentages of the terminal window size.
47	* X and Y are also percentages; e.g., +50+50 centers
48	* the image in the window.
49	*
50	* Pixmap Operations : (should be prepended by a colon)
51	* tile Tile image. Scaling/position modifiers above will affect
52	* the tile size and origin.
53	* propscale When scaling, scale proportionally. That is, maintain the
54	* proper aspect ratio for the image. Any portion of the
55	* background not covered by the image is filled with the
56	* current background color.
57	* 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	clamp_it (x, -100, 200);
259	{	280	clamp_it (y, -100, 200);
260	if (!strcasecmp (arr[i], "tile"))
261	{
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		281
275	geom_flags |= WidthValue|HeightValue;	282	if (flags != new_flags
276	}	283	|| h_scale != w
277	else if (!strcasecmp (arr[i], "center"))	284	|| v_scale != h
278	{	285	|| h_align != x
279	w = h = noScale;	286	|| v_align != y)
280	x = y = centerAlign;
281	geom_flags |= WidthValue|HeightValue|XValue|YValue;
282	}
283	else if (!strcasecmp (arr[i], "root"))
284	{
285	new_flags |= BG_TILE|BG_ROOT_ALIGN;
286	w = h = noScale;
287	geom_flags |= WidthValue|HeightValue;
288	}
289	} /* done parsing ops */
290
291	rxvt_free_strsplit (arr);
292	}	287	{
293
294	if (check_set_scale_value (geom_flags, WidthValue, h_scale, w)) changed = true;
295	if (check_set_scale_value (geom_flags, HeightValue, v_scale, h)) changed = true;
296	if (check_set_align_value (geom_flags, XValue, h_align, x)) changed = true;
297	if (check_set_align_value (geom_flags, YValue, v_align, y)) changed = true;
298
299	if (new_flags != bg_flags)
300	{
301	bg_flags = new_flags;	288	flags = new_flags;
		289	h_scale = w;
		290	v_scale = h;
		291	h_align = x;
		292	v_align = y;
302	changed = true;	293	changed = true;
303	}	294	}
304		295
		296	if (!(flags & IM_TILE)
		297	|| h_scale || v_scale
		298	|| (!(flags & IM_ROOT_ALIGN) && (h_align || v_align)))
		299	flags |= IM_IS_SIZE_SENSITIVE;
		300	else
		301	flags &= ~IM_IS_SIZE_SENSITIVE;
		302
305	return changed;	303	return changed;
306	}	304	}
307		305
308	void	306	void
309	rxvt_term::get_image_geometry (int image_width, int image_height, int &w, int &h, int &x, int &y)	307	rxvt_term::get_image_geometry (rxvt_image &image, int &w, int &h, int &x, int &y)
310	{	308	{
		309	int image_width = image.width ();
		310	int image_height = image.height ();
311	int target_width = szHint.width;	311	int target_width = szHint.width;
312	int target_height = szHint.height;	312	int target_height = szHint.height;
		313	int h_scale = min (image.h_scale, 32767 * 100 / target_width);
		314	int v_scale = min (image.v_scale, 32767 * 100 / target_height);
313		315
314	if (bg_flags & BG_PROP_SCALE)	316	w = h_scale * target_width / 100;
		317	h = v_scale * target_height / 100;
		318
		319	if (image.flags & IM_KEEP_ASPECT)
315	{	320	{
316	float scale = (float)target_width / image_width;	321	float scale = (float)w / image_width;
317	min_it (scale, (float)target_height / image_height);	322	min_it (scale, (float)h / image_height);
318	w = image_width * scale + 0.5;	323	w = image_width * scale + 0.5;
319	h = image_height * scale + 0.5;	324	h = image_height * scale + 0.5;
320	}	325	}
321	else
322	{
323	w = h_scale * target_width / 100;
324	h = v_scale * target_height / 100;
325	}
326		326
327	if (!w) w = image_width;	327	if (!w) w = image_width;
328	if (!h) h = image_height;	328	if (!h) h = image_height;
329		329
330	if (bg_flags & BG_ROOT_ALIGN)	330	if (image.flags & IM_ROOT_ALIGN)
331	{	331	{
332	x = -target_x;	332	x = -target_x;
333	y = -target_y;	333	y = -target_y;
334	}	334	}
335	else	335	else
336	{	336	{
337	x = make_align_position (h_align, target_width, w);	337	x = make_align_position (image.h_align, target_width, w);
338	y = make_align_position (v_align, target_height, h);	338	y = make_align_position (image.v_align, target_height, h);
339	}
340
341	bg_flags &= ~BG_IS_SIZE_SENSITIVE;
342	if (!(bg_flags & BG_TILE)
343	|| (bg_flags & BG_PROP_SCALE) || h_scale || v_scale
344	|| (!(bg_flags & BG_ROOT_ALIGN) && (h_align || v_align))
345	|| w > target_width || h > target_height)
346	bg_flags |= BG_IS_SIZE_SENSITIVE;
347	}
348
349	# ifdef HAVE_AFTERIMAGE
350	bool
351	rxvt_term::render_image (unsigned long tr_flags)
352	{
353	init_asv ();
354
355	ASImage *background = NULL;
356	ARGB32 background_tint = TINT_LEAVE_SAME;
357
358	# ifdef ENABLE_TRANSPARENCY
359	if (tr_flags)
360	background = pixmap2ximage (asv, bg_pixmap, 0, 0, bg_pmap_width, bg_pmap_height, AllPlanes, 100);
361
362	if (tr_flags & BG_NEEDS_TINT)
363	{	339	}
364	ShadingInfo as_shade;	340	}
365	as_shade.shading = shade;
366		341
367	rgba c (rgba::MAX_CC,rgba::MAX_CC,rgba::MAX_CC);	342	# ifdef HAVE_PIXBUF
368	if (bg_flags & BG_TINT_SET)	343	bool
369	tint.get (c);	344	rxvt_term::pixbuf_to_pixmap (GdkPixbuf *pixbuf, Pixmap pixmap, GC gc,
370	as_shade.tintColor.red = c.r;	345	int src_x, int src_y, int dst_x, int dst_y,
371	as_shade.tintColor.green = c.g;	346	unsigned int width, unsigned int height, bool argb)
372	as_shade.tintColor.blue = c.b;	347	{
		348	XImage *ximage;
		349	char *line;
		350	int width_r, width_g, width_b, width_a;
		351	int sh_r, sh_g, sh_b, sh_a;
		352	uint32_t red_mask, green_mask, blue_mask, alpha_mask;
		353	int rowstride;
		354	int channels;
		355	unsigned char *row;
373		356
374	background_tint = shading2tint32 (&as_shade);	357	if (visual->c_class != TrueColor)
		358	return false;
		359
		360	if (argb)
375	}	361	{
376		362	red_mask = 0xff << 16;
377	if ((tr_flags & BG_NEEDS_BLUR) && background != NULL)	363	green_mask = 0xff << 8;
		364	blue_mask = 0xff;
		365	alpha_mask = 0xff << 24;
378	{	366	}
379	ASImage *tmp = blur_asimage_gauss (asv, background, h_blurRadius, v_blurRadius, 0xFFFFFFFF,	367	else
380	(original_asim == NULL || tint == TINT_LEAVE_SAME) ? ASA_XImage : ASA_ASImage,	368	{
381	100, ASIMAGE_QUALITY_DEFAULT);	369	red_mask = visual->red_mask;
		370	green_mask = visual->green_mask;
		371	blue_mask = visual->blue_mask;
		372	#if XRENDER
		373	XRenderPictFormat *format = XRenderFindVisualFormat (dpy, visual);
382	if (tmp)	374	if (format)
		375	alpha_mask = (uint32_t)format->direct.alphaMask << format->direct.alpha;
		376	else
		377	#endif
		378	alpha_mask = 0;
		379	}
		380
		381	width_r = ecb_popcount32 (red_mask);
		382	width_g = ecb_popcount32 (green_mask);
		383	width_b = ecb_popcount32 (blue_mask);
		384	width_a = ecb_popcount32 (alpha_mask);
		385
		386	if (width_r > 8 || width_g > 8 || width_b > 8 || width_a > 8)
		387	return false;
		388
		389	sh_r = ecb_ctz32 (red_mask);
		390	sh_g = ecb_ctz32 (green_mask);
		391	sh_b = ecb_ctz32 (blue_mask);
		392	sh_a = ecb_ctz32 (alpha_mask);
		393
		394	if (width > 32767 || height > 32767)
		395	return false;
		396
		397	ximage = XCreateImage (dpy, visual, argb ? 32 : depth, ZPixmap, 0, 0,
		398	width, height, 32, 0);
		399	if (!ximage)
		400	return false;
		401
		402	if (height > INT_MAX / ximage->bytes_per_line
		403	|| !(ximage->data = (char *)malloc (height * ximage->bytes_per_line)))
		404	{
		405	XDestroyImage (ximage);
		406	return false;
		407	}
		408
		409	ximage->byte_order = ecb_big_endian () ? MSBFirst : LSBFirst;
		410
		411	rowstride = gdk_pixbuf_get_rowstride (pixbuf);
		412	channels = gdk_pixbuf_get_n_channels (pixbuf);
		413	row = gdk_pixbuf_get_pixels (pixbuf) + src_y * rowstride + src_x * channels;
		414	line = ximage->data;
		415
		416	rgba c (0, 0, 0);
		417
		418	if (channels == 4 && alpha_mask == 0)
		419	{
		420	pix_colors[Color_bg].get (c);
		421	c.r >>= 8;
		422	c.g >>= 8;
		423	c.b >>= 8;
		424	}
		425
		426	for (int y = 0; y < height; y++)
		427	{
		428	for (int x = 0; x < width; x++)
		429	{
		430	unsigned char *pixel = row + x * channels;
		431	uint32_t value;
		432	unsigned char r, g, b, a;
		433
		434	if (channels == 4)
383	{	435	{
384	destroy_asimage (&background);	436	a = pixel[3];
385	background = tmp;	437	r = (pixel[0] * a + c.r * (0xff - a)) / 0xff;
		438	g = (pixel[1] * a + c.g * (0xff - a)) / 0xff;
		439	b = (pixel[2] * a + c.b * (0xff - a)) / 0xff;
		440	}
		441	else
		442	{
		443	a = 0xff;
		444	r = pixel[0];
		445	g = pixel[1];
		446	b = pixel[2];
		447	}
		448
		449	value = ((r >> (8 - width_r)) << sh_r)
		450	| ((g >> (8 - width_g)) << sh_g)
		451	| ((b >> (8 - width_b)) << sh_b)
		452	| ((a >> (8 - width_a)) << sh_a);
		453
		454	if (ximage->bits_per_pixel == 32)
		455	((uint32_t *)line)[x] = value;
		456	else
		457	XPutPixel (ximage, x, y, value);
386	}	458	}
387	}
388	# endif
389		459
390	ASImage *result = 0;	460	row += rowstride;
		461	line += ximage->bytes_per_line;
		462	}
		463
		464	XPutImage (dpy, pixmap, gc, ximage, 0, 0, dst_x, dst_y, width, height);
		465	XDestroyImage (ximage);
		466	return true;
		467	}
		468
		469	bool
		470	rxvt_term::render_image (rxvt_image &image)
		471	{
		472	GdkPixbuf *pixbuf = image.pixbuf;
		473	if (!pixbuf)
		474	return false;
		475
		476	bool need_blend = bg_flags & BG_IS_VALID;
		477
		478	if (need_blend
		479	&& !(bg_flags & BG_HAS_RENDER))
		480	return false;
		481
		482	GdkPixbuf *result;
		483
		484	int image_width = gdk_pixbuf_get_width (pixbuf);
		485	int image_height = gdk_pixbuf_get_height (pixbuf);
391		486
392	int target_width = szHint.width;	487	int target_width = szHint.width;
393	int target_height = szHint.height;	488	int target_height = szHint.height;
394	int new_pmap_width = target_width;	489	int new_pmap_width = target_width;
395	int new_pmap_height = target_height;	490	int new_pmap_height = target_height;
…		…
397	int x = 0;	492	int x = 0;
398	int y = 0;	493	int y = 0;
399	int w = 0;	494	int w = 0;
400	int h = 0;	495	int h = 0;
401		496
402	if (original_asim)	497	get_image_geometry (image, w, h, x, y);
403	get_image_geometry (original_asim->width, original_asim->height, w, h, x, y);
404		498
405	if (!original_asim	499	if (!(image.flags & IM_ROOT_ALIGN)
406	|| (!(bg_flags & BG_ROOT_ALIGN)
407	&& (x >= target_width	500	&& (x >= target_width
408	|| y >= target_height	501	|| y >= target_height
409	|| (x + w <= 0)	502	|| x + w <= 0
410	|| (y + h <= 0))))	503	|| y + h <= 0))
		504	return false;
		505
		506	result = pixbuf;
		507
		508	if (w != image_width
		509	|| h != image_height)
		510	{
		511	result = gdk_pixbuf_scale_simple (pixbuf,
		512	w, h,
		513	GDK_INTERP_BILINEAR);
411	{	514	}
412	if (background)
413	{
414	new_pmap_width = background->width;
415	new_pmap_height = background->height;
416	result = background;
417		515
418	if (background_tint != TINT_LEAVE_SAME)	516	if (!result)
		517	return false;
		518
		519	bool ret = false;
		520
		521	XGCValues gcv;
		522	GC gc;
		523	Pixmap tmp_pixmap;
		524
		525	image_width = gdk_pixbuf_get_width (result);
		526	image_height = gdk_pixbuf_get_height (result);
		527
		528	if (need_blend)
		529	tmp_pixmap = XCreatePixmap (dpy, vt, new_pmap_width, new_pmap_height, 32);
		530	else
		531	{
		532	if (image.flags & IM_TILE)
419	{	533	{
420	ASImage *tmp = tile_asimage (asv, background, 0, 0,	534	new_pmap_width = min (image_width, target_width);
421	target_width, target_height, background_tint,	535	new_pmap_height = min (image_height, target_height);
422	ASA_XImage, 100, ASIMAGE_QUALITY_DEFAULT);
423	if (tmp)
424	result = tmp;
425	}
426	}	536	}
427	else
428	new_pmap_width = new_pmap_height = 0;
429	}
430	else
431	{
432	result = original_asim;
433		537
434	if ((w != original_asim->width)
435	|| (h != original_asim->height))
436	{
437	result = scale_asimage (asv, original_asim,
438	w, h,
439	background ? ASA_ASImage : ASA_XImage,
440	100, ASIMAGE_QUALITY_DEFAULT);
441	}
442
443	if (background == NULL)
444	{
445	if (bg_flags & BG_TILE)
446	{
447	/* if tiling - pixmap has to be sized exactly as the image,
448	but there is no need to make it bigger than the window! */
449	new_pmap_width = min (result->width, target_width);
450	new_pmap_height = min (result->height, target_height);
451
452	/* we also need to tile our image in both directions */
453	ASImage *tmp = tile_asimage (asv, result,
454	(int)result->width - x,
455	(int)result->height - y,
456	new_pmap_width,
457	new_pmap_height,
458	TINT_LEAVE_SAME, ASA_XImage,
459	100, ASIMAGE_QUALITY_DEFAULT);
460	if (tmp)
461	{
462	if (result != original_asim)
463	destroy_asimage (&result);
464
465	result = tmp;
466	}
467	}
468	}
469	else
470	{
471	/* if blending background and image - pixmap has to be sized same as target window */
472	ASImageLayer *layers = create_image_layers (2);
473
474	layers[0].im = background;
475	layers[0].clip_width = target_width;
476	layers[0].clip_height = target_height;
477	layers[0].tint = background_tint;
478	layers[1].im = result;
479
480	if (bg_flags & BG_TILE)
481	{
482	/* tile horizontally */
483	while (x > 0) x -= (int)result->width;
484	layers[1].dst_x = x;
485	layers[1].clip_width = result->width+target_width;
486	}
487	else
488	{
489	/* clip horizontally */
490	layers[1].dst_x = x;
491	layers[1].clip_width = result->width;
492	}
493
494	if (bg_flags & BG_TILE)
495	{
496	while (y > 0) y -= (int)result->height;
497	layers[1].dst_y = y;
498	layers[1].clip_height = result->height + target_height;
499	}
500	else
501	{
502	layers[1].dst_y = y;
503	layers[1].clip_height = result->height;
504	}
505
506	if (rs[Rs_blendtype])
507	{
508	layers[1].merge_scanlines = blend_scanlines_name2func (rs[Rs_blendtype]);
509	if (layers[1].merge_scanlines == NULL)
510	layers[1].merge_scanlines = alphablend_scanlines;
511	}
512
513	ASImage *tmp = merge_layers (asv, layers, 2, target_width, target_height,
514	ASA_XImage, 0, ASIMAGE_QUALITY_DEFAULT);
515
516	if (tmp)
517	{
518	if (result != original_asim)
519	destroy_asimage (&result);
520
521	result = tmp;
522	}
523
524	free (layers);
525	}
526	}
527
528	bool ret = false;
529
530	if (result)
531	{
532	XGCValues gcv;
533	GC gc;
534
535	/* create Pixmap */
536	if (bg_pixmap == None	538	if (bg_pixmap == None
537	|| bg_pmap_width != new_pmap_width	539	|| bg_pmap_width != new_pmap_width
538	|| bg_pmap_height != new_pmap_height)	540	|| bg_pmap_height != new_pmap_height)
539	{	541	{
540	if (bg_pixmap)	542	if (bg_pixmap)
541	XFreePixmap (dpy, bg_pixmap);	543	XFreePixmap (dpy, bg_pixmap);
542	bg_pixmap = XCreatePixmap (dpy, vt, new_pmap_width, new_pmap_height, depth);	544	bg_pixmap = XCreatePixmap (dpy, vt, new_pmap_width, new_pmap_height, depth);
543	bg_pmap_width = new_pmap_width;	545	bg_pmap_width = new_pmap_width;
544	bg_pmap_height = new_pmap_height;	546	bg_pmap_height = new_pmap_height;
545	}	547	}
546	/* fill with background color (if result's not completely overlapping it) */
547	gcv.foreground = pix_colors[Color_bg];
548	gc = XCreateGC (dpy, vt, GCForeground, &gcv);
549		548
550	int src_x = 0, src_y = 0, dst_x = 0, dst_y = 0;
551	int dst_width = result->width, dst_height = result->height;
552	if (background == NULL)
553	{
554	if (!(bg_flags & BG_TILE))
555	{
556	src_x = make_clip_rectangle (x, result->width , new_pmap_width , dst_x, dst_width );
557	src_y = make_clip_rectangle (y, result->height, new_pmap_height, dst_y, dst_height);
558	}
559
560	if (dst_x > 0 || dst_y > 0
561	|| dst_x + dst_width < new_pmap_width
562	|| dst_y + dst_height < new_pmap_height)
563	XFillRectangle (dpy, bg_pixmap, gc, 0, 0, new_pmap_width, new_pmap_height);
564	}
565
566	/* put result on pixmap */
567	if (dst_x < new_pmap_width && dst_y < new_pmap_height)
568	asimage2drawable (asv, bg_pixmap, result, gc, src_x, src_y, dst_x, dst_y, dst_width, dst_height, True);
569
570	if (result != background && result != original_asim)
571	destroy_asimage (&result);
572
573	XFreeGC (dpy, gc);
574
575	ret = true;
576	}
577
578	if (background)
579	destroy_asimage (&background);
580
581	return ret;
582	}
583	# endif /* HAVE_AFTERIMAGE */
584
585	# ifdef HAVE_PIXBUF
586	bool
587	rxvt_term::pixbuf_to_pixmap (GdkPixbuf *pixbuf, Pixmap pixmap, GC gc,
588	int src_x, int src_y, int dst_x, int dst_y,
589	unsigned int width, unsigned int height)
590	{
591	XImage *ximage;
592	char *data, *line;
593	int bytes_per_pixel;
594	int width_r, width_g, width_b;
595	int sh_r, sh_g, sh_b;
596	int rowstride;
597	int channels;
598	unsigned char *row;
599
600	if (visual->c_class != TrueColor)
601	return false;
602
603	if (depth == 24 || depth == 32)
604	bytes_per_pixel = 4;
605	else if (depth == 15 || depth == 16)
606	bytes_per_pixel = 2;
607	else
608	return false;
609
610	width_r = ecb_popcount32 (visual->red_mask);
611	width_g = ecb_popcount32 (visual->green_mask);
612	width_b = ecb_popcount32 (visual->blue_mask);
613
614	if (width_r > 8 || width_g > 8 || width_b > 8)
615	return false;
616
617	sh_r = ecb_ctz32 (visual->red_mask);
618	sh_g = ecb_ctz32 (visual->green_mask);
619	sh_b = ecb_ctz32 (visual->blue_mask);
620
621	if (width > INT_MAX / height / bytes_per_pixel)
622	return false;
623
624	data = (char *)malloc (width * height * bytes_per_pixel);
625	if (!data)
626	return false;
627
628	ximage = XCreateImage (dpy, visual, depth, ZPixmap, 0, data,
629	width, height, bytes_per_pixel * 8, 0);
630	if (!ximage)
631	{
632	free (data);
633	return false;
634	}
635
636	ximage->byte_order = ecb_big_endian () ? MSBFirst : LSBFirst;
637
638	rowstride = gdk_pixbuf_get_rowstride (pixbuf);
639	channels = gdk_pixbuf_get_n_channels (pixbuf);
640	row = gdk_pixbuf_get_pixels (pixbuf) + src_y * rowstride + src_x * channels;
641	line = data;
642
643	for (int y = 0; y < height; y++)
644	{
645	for (int x = 0; x < width; x++)
646	{
647	unsigned char *pixel = row + x * channels;
648	uint32_t value;
649
650	value = ((pixel[0] >> (8 - width_r)) << sh_r)
651	| ((pixel[1] >> (8 - width_g)) << sh_g)
652	| ((pixel[2] >> (8 - width_b)) << sh_b);
653
654	if (bytes_per_pixel == 4)
655	((uint32_t *)line)[x] = value;
656	else
657	((uint16_t *)line)[x] = value;
658	}
659
660	row += rowstride;
661	line += ximage->bytes_per_line;
662	}
663
664	XPutImage (dpy, pixmap, gc, ximage, 0, 0, dst_x, dst_y, width, height);
665	XDestroyImage (ximage);
666	return true;
667	}
668
669	bool
670	rxvt_term::render_image (unsigned long tr_flags)
671	{
672	if (!pixbuf)
673	return false;
674
675	if (tr_flags
676	&& !(bg_flags & BG_HAS_RENDER))
677	return false;
678
679	GdkPixbuf *result;
680
681	int image_width = gdk_pixbuf_get_width (pixbuf);
682	int image_height = gdk_pixbuf_get_height (pixbuf);
683
684	int target_width = szHint.width;
685	int target_height = szHint.height;
686	int new_pmap_width = target_width;
687	int new_pmap_height = target_height;
688
689	int x = 0;
690	int y = 0;
691	int w = 0;
692	int h = 0;
693
694	get_image_geometry (image_width, image_height, w, h, x, y);
695
696	if (!(bg_flags & BG_ROOT_ALIGN)
697	&& (x >= target_width
698	|| y >= target_height
699	|| (x + w <= 0)
700	|| (y + h <= 0)))
701	return false;
702
703	result = pixbuf;
704
705	if ((w != image_width)
706	|| (h != image_height))
707	{
708	result = gdk_pixbuf_scale_simple (pixbuf,
709	w, h,
710	GDK_INTERP_BILINEAR);
711	}
712
713	if (!result)
714	return false;
715
716	bool ret = false;
717
718	XGCValues gcv;
719	GC gc;
720	Pixmap root_pmap;
721
722	image_width = gdk_pixbuf_get_width (result);
723	image_height = gdk_pixbuf_get_height (result);
724
725	if (tr_flags)
726	{
727	root_pmap = bg_pixmap;	549	tmp_pixmap = bg_pixmap;
728	bg_pixmap = None;
729	}
730	else
731	{
732	if (bg_flags & BG_TILE)
733	{
734	new_pmap_width = min (image_width, target_width);
735	new_pmap_height = min (image_height, target_height);
736	}
737	}
738
739	if (bg_pixmap == None
740	|| bg_pmap_width != new_pmap_width
741	|| bg_pmap_height != new_pmap_height)
742	{
743	if (bg_pixmap)
744	XFreePixmap (dpy, bg_pixmap);
745	bg_pixmap = XCreatePixmap (dpy, vt, new_pmap_width, new_pmap_height, depth);
746	bg_pmap_width = new_pmap_width;
747	bg_pmap_height = new_pmap_height;
748	}	550	}
749		551
750	gcv.foreground = pix_colors[Color_bg];	552	gcv.foreground = pix_colors[Color_bg];
751	gc = XCreateGC (dpy, vt, GCForeground, &gcv);	553	gc = XCreateGC (dpy, tmp_pixmap, GCForeground, &gcv);
752		554
753	if (gc)	555	if (gc)
754	{	556	{
755	if (bg_flags & BG_TILE)	557	if (image.flags & IM_TILE)
756	{	558	{
757	Pixmap tile = XCreatePixmap (dpy, vt, image_width, image_height, depth);	559	Pixmap tile = XCreatePixmap (dpy, vt, image_width, image_height, need_blend ? 32 : depth);
758	pixbuf_to_pixmap (result, tile, gc,	560	pixbuf_to_pixmap (result, tile, gc,
759	0, 0,	561	0, 0,
760	0, 0,	562	0, 0,
761	image_width, image_height);	563	image_width, image_height, need_blend);
762		564
763	gcv.tile = tile;	565	gcv.tile = tile;
764	gcv.fill_style = FillTiled;	566	gcv.fill_style = FillTiled;
765	gcv.ts_x_origin = x;	567	gcv.ts_x_origin = x;
766	gcv.ts_y_origin = y;	568	gcv.ts_y_origin = y;
767	XChangeGC (dpy, gc, GCFillStyle | GCTile | GCTileStipXOrigin | GCTileStipYOrigin, &gcv);	569	XChangeGC (dpy, gc, GCFillStyle | GCTile | GCTileStipXOrigin | GCTileStipYOrigin, &gcv);
768		570
769	XFillRectangle (dpy, bg_pixmap, gc, 0, 0, new_pmap_width, new_pmap_height);	571	XFillRectangle (dpy, tmp_pixmap, gc, 0, 0, new_pmap_width, new_pmap_height);
770	XFreePixmap (dpy, tile);	572	XFreePixmap (dpy, tile);
771	}	573	}
772	else	574	else
773	{	575	{
774	int src_x, src_y, dst_x, dst_y;	576	int src_x, src_y, dst_x, dst_y;
…		…
778	src_y = make_clip_rectangle (y, image_height, new_pmap_height, dst_y, dst_height);	580	src_y = make_clip_rectangle (y, image_height, new_pmap_height, dst_y, dst_height);
779		581
780	if (dst_x > 0 || dst_y > 0	582	if (dst_x > 0 || dst_y > 0
781	|| dst_x + dst_width < new_pmap_width	583	|| dst_x + dst_width < new_pmap_width
782	|| dst_y + dst_height < new_pmap_height)	584	|| dst_y + dst_height < new_pmap_height)
783	XFillRectangle (dpy, bg_pixmap, gc, 0, 0, new_pmap_width, new_pmap_height);	585	XFillRectangle (dpy, tmp_pixmap, gc, 0, 0, new_pmap_width, new_pmap_height);
784		586
785	if (dst_x < new_pmap_width && dst_y < new_pmap_height)	587	if (dst_x < new_pmap_width && dst_y < new_pmap_height)
786	pixbuf_to_pixmap (result, bg_pixmap, gc,	588	pixbuf_to_pixmap (result, tmp_pixmap, gc,
787	src_x, src_y,	589	src_x, src_y,
788	dst_x, dst_y,	590	dst_x, dst_y,
789	dst_width, dst_height);	591	dst_width, dst_height, need_blend);
790	}	592	}
791		593
792	#if XRENDER	594	#if XRENDER
793	if (tr_flags)	595	if (need_blend)
794	{	596	{
795	XRenderPictureAttributes pa;	597	XRenderPictFormat *argb_format = XRenderFindStandardFormat (dpy, PictStandardARGB32);
796
797	XRenderPictFormat *src_format = XRenderFindVisualFormat (dpy, visual);	598	XRenderPictFormat *format = XRenderFindVisualFormat (dpy, visual);
		599
798	Picture src = XRenderCreatePicture (dpy, root_pmap, src_format, 0, &pa);	600	Picture src = XRenderCreatePicture (dpy, tmp_pixmap, argb_format, 0, 0);
799		601
800	XRenderPictFormat *dst_format = XRenderFindVisualFormat (dpy, visual);
801	Picture dst = XRenderCreatePicture (dpy, bg_pixmap, dst_format, 0, &pa);	602	Picture dst = XRenderCreatePicture (dpy, bg_pixmap, format, 0, 0);
802		603
803	pa.repeat = True;	604	Picture mask = create_xrender_mask (dpy, vt, False, False);
804	Pixmap mask_pmap = XCreatePixmap (dpy, vt, 1, 1, 8);
805	XRenderPictFormat *mask_format = XRenderFindStandardFormat (dpy, PictStandardA8);
806	Picture mask = XRenderCreatePicture (dpy, mask_pmap, mask_format, CPRepeat, &pa);
807	XFreePixmap (dpy, mask_pmap);
808		605
809	XRenderColor mask_c;	606	XRenderColor mask_c;
810		607
811	mask_c.alpha = 0x8000;	608	mask_c.alpha = 0x8000;
812	mask_c.red = 0;	609	mask_c.red =
813	mask_c.green = 0;	610	mask_c.green =
814	mask_c.blue = 0;	611	mask_c.blue = 0;
815	XRenderFillRectangle (dpy, PictOpSrc, mask, &mask_c, 0, 0, 1, 1);	612	XRenderFillRectangle (dpy, PictOpSrc, mask, &mask_c, 0, 0, 1, 1);
		613
816	XRenderComposite (dpy, PictOpOver, src, mask, dst, 0, 0, 0, 0, 0, 0, target_width, target_height);	614	XRenderComposite (dpy, PictOpOver, src, mask, dst, 0, 0, 0, 0, 0, 0, target_width, target_height);
817		615
818	XRenderFreePicture (dpy, src);	616	XRenderFreePicture (dpy, src);
819	XRenderFreePicture (dpy, dst);	617	XRenderFreePicture (dpy, dst);
820	XRenderFreePicture (dpy, mask);	618	XRenderFreePicture (dpy, mask);
…		…
827	}	625	}
828		626
829	if (result != pixbuf)	627	if (result != pixbuf)
830	g_object_unref (result);	628	g_object_unref (result);
831		629
832	if (tr_flags)	630	if (need_blend)
833	XFreePixmap (dpy, root_pmap);	631	XFreePixmap (dpy, tmp_pixmap);
834		632
835	return ret;	633	return ret;
836	}	634	}
837	# endif /* HAVE_PIXBUF */	635	# endif /* HAVE_PIXBUF */
838		636
839	bool	637	bool
840	rxvt_term::bg_set_file (const char *file)	638	rxvt_image::set_file (const char *file)
841	{	639	{
842	if (!file || !*file)	640	if (!file || !*file)
843	return false;	641	return false;
844		642
		643	bool ret = false;
845	if (const char *p = strchr (file, ';'))	644	const char *p = strchr (file, ';');
		645
		646	if (p)
846	{	647	{
847	size_t len = p - file;	648	size_t len = p - file;
848	char *f = rxvt_temp_buf<char> (len + 1);	649	char *f = rxvt_temp_buf<char> (len + 1);
849	memcpy (f, file, len);	650	memcpy (f, file, len);
850	f[len] = '\0';	651	f[len] = '\0';
851	file = f;	652	file = f;
852	}	653	}
853		654
854	# ifdef HAVE_AFTERIMAGE
855	if (!asimman)
856	asimman = create_generic_imageman (rs[Rs_path]);
857	ASImage *image = get_asimage (asimman, file, 0xFFFFFFFF, 100);
858	if (image)
859	{
860	if (original_asim)
861	safe_asimage_destroy (original_asim);
862	original_asim = image;
863	bg_flags |= BG_IS_FROM_FILE | BG_CLIENT_RENDER;
864	return true;
865	}
866	# endif
867
868	# ifdef HAVE_PIXBUF	655	# ifdef HAVE_PIXBUF
869	GdkPixbuf *image = gdk_pixbuf_new_from_file (file, NULL);	656	GdkPixbuf *image = gdk_pixbuf_new_from_file (file, NULL);
870	if (image)	657	if (image)
871	{	658	{
872	if (pixbuf)	659	if (pixbuf)
873	g_object_unref (pixbuf);	660	g_object_unref (pixbuf);
874	pixbuf = image;	661	pixbuf = image;
875	bg_flags |= BG_IS_FROM_FILE;
876	return true;	662	ret = true;
877	}	663	}
878	# endif	664	# endif
879		665
		666	if (ret)
		667	{
		668	flags = IM_IS_SET | IM_IS_SIZE_SENSITIVE;
		669	h_scale = v_scale = defaultScale;
		670	h_align = v_align = defaultAlign;
		671
		672	if (p)
		673	set_geometry (p + 1);
		674	}
		675
880	return false;	676	return ret;
881	}	677	}
882		678
883	# endif /* BG_IMAGE_FROM_FILE */	679	# endif /* BG_IMAGE_FROM_FILE */
884		680
885	# ifdef ENABLE_TRANSPARENCY	681	# ifdef ENABLE_TRANSPARENCY
886	bool
887	rxvt_term::bg_set_transparent ()
888	{
889	if (!(bg_flags & BG_IS_TRANSPARENT))
890	{
891	bg_flags |= BG_IS_TRANSPARENT;
892	return true;
893	}
894
895	return false;
896	}
897
898	bool	682	bool
899	rxvt_term::bg_set_blur (const char *geom)	683	rxvt_term::bg_set_blur (const char *geom)
900	{	684	{
901	bool changed = false;	685	bool changed = false;
902	unsigned int hr, vr;	686	unsigned int hr, vr;
…		…
921	{	705	{
922	changed = true;	706	changed = true;
923	v_blurRadius = vr;	707	v_blurRadius = vr;
924	}	708	}
925		709
926	if (v_blurRadius == 0 && h_blurRadius == 0)
927	bg_flags &= ~BG_NEEDS_BLUR;
928	else
929	bg_flags |= BG_NEEDS_BLUR;
930
931	return changed;	710	return changed;
932	}	711	}
933		712
934	void	713	bool
935	rxvt_term::set_tint_shade_flags ()	714	rxvt_term::bg_set_tint (rxvt_color &new_tint)
936	{	715	{
937	rgba c (rgba::MAX_CC,rgba::MAX_CC,rgba::MAX_CC);	716	if (!(bg_flags & BG_TINT_SET) || tint != new_tint)
938	bool has_shade = shade != 100;	717	{
939		718	tint = new_tint;
940	bg_flags &= ~BG_TINT_FLAGS;	719	bg_flags |= BG_TINT_SET;
941		720
942	if (bg_flags & BG_TINT_SET)	721	rgba c;
943	{
944	tint.get (c);	722	tint.get (c);
945	if (!has_shade
946	&& (c.r <= 0x00ff || c.r >= 0xff00)	723	if ((c.r <= 0x00ff || c.r >= 0xff00)
947	&& (c.g <= 0x00ff || c.g >= 0xff00)	724	&& (c.g <= 0x00ff || c.g >= 0xff00)
948	&& (c.b <= 0x00ff || c.b >= 0xff00))	725	&& (c.b <= 0x00ff || c.b >= 0xff00))
949	bg_flags |= BG_TINT_BITAND;	726	bg_flags |= BG_TINT_BITAND;
950	}	727	else
951
952	if (has_shade || (bg_flags & BG_TINT_SET))
953	bg_flags |= BG_NEEDS_TINT;
954	}
955
956	bool
957	rxvt_term::bg_set_tint (rxvt_color &new_tint)
958	{
959	if (!(bg_flags & BG_TINT_SET) || tint != new_tint)
960	{
961	tint = new_tint;
962	bg_flags |= BG_TINT_SET;	728	bg_flags &= ~BG_TINT_BITAND;
963	set_tint_shade_flags ();	729
964	return true;	730	return true;
965	}	731	}
966		732
967	return false;	733	return false;
968	}	734	}
969		735
970	bool	736	bool
971	rxvt_term::bg_set_shade (const char *shade_str)	737	rxvt_term::bg_set_shade (const char *shade_str)
972	{	738	{
973	int new_shade = (shade_str) ? atoi (shade_str) : 100;	739	int new_shade = atoi (shade_str);
974		740
975	clamp_it (new_shade, -100, 200);	741	clamp_it (new_shade, -100, 200);
976	if (new_shade < 0)	742	if (new_shade < 0)
977	new_shade = 200 - (100 + new_shade);	743	new_shade = 200 - (100 + new_shade);
978		744
979	if (new_shade != shade)	745	if (new_shade != shade)
980	{	746	{
981	shade = new_shade;	747	shade = new_shade;
982	set_tint_shade_flags ();
983	return true;	748	return true;
984	}	749	}
985		750
986	return false;	751	return false;
987	}	752	}
…		…
1008	params[i+2] = XDoubleToFixed (kernel[i] / sum);	773	params[i+2] = XDoubleToFixed (kernel[i] / sum);
1009	}	774	}
1010	#endif	775	#endif
1011		776
1012	bool	777	bool
1013	rxvt_term::blur_pixmap (Pixmap pixmap, Visual *visual, int width, int height)	778	rxvt_term::blur_pixmap (Pixmap pixmap, int width, int height)
1014	{	779	{
1015	bool ret = false;	780	bool ret = false;
1016	#if XRENDER	781	#if XRENDER
		782	if (!(bg_flags & BG_HAS_RENDER_CONV))
		783	return false;
		784
1017	int size = max (h_blurRadius, v_blurRadius) * 2 + 1;	785	int size = max (h_blurRadius, v_blurRadius) * 2 + 1;
1018	double *kernel = (double *)malloc (size * sizeof (double));	786	double *kernel = (double *)malloc (size * sizeof (double));
1019	XFixed *params = (XFixed *)malloc ((size + 2) * sizeof (XFixed));	787	XFixed *params = (XFixed *)malloc ((size + 2) * sizeof (XFixed));
1020		788
1021	XRenderPictureAttributes pa;	789	XRenderPictureAttributes pa;
1022	XRenderPictFormat *format = XRenderFindVisualFormat (dpy, visual);	790	XRenderPictFormat *format = XRenderFindVisualFormat (dpy, visual);
1023		791
		792	pa.repeat = RepeatPad;
1024	Picture src = XRenderCreatePicture (dpy, pixmap, format, 0, &pa);	793	Picture src = XRenderCreatePicture (dpy, pixmap, format, CPRepeat, &pa);
		794	Pixmap tmp = XCreatePixmap (dpy, pixmap, width, height, depth);
1025	Picture dst = XRenderCreatePicture (dpy, pixmap, format, 0, &pa);	795	Picture dst = XRenderCreatePicture (dpy, tmp, format, CPRepeat, &pa);
		796	XFreePixmap (dpy, tmp);
1026		797
1027	if (kernel && params)	798	if (kernel && params)
1028	{	799	{
1029	if (h_blurRadius)
1030	{
1031	size = h_blurRadius * 2 + 1;	800	size = h_blurRadius * 2 + 1;
1032	get_gaussian_kernel (h_blurRadius, size, kernel, params);	801	get_gaussian_kernel (h_blurRadius, size, kernel, params);
1033		802
1034	XRenderSetPictureFilter (dpy, src, FilterConvolution, params, size+2);	803	XRenderSetPictureFilter (dpy, src, FilterConvolution, params, size+2);
1035	XRenderComposite (dpy,	804	XRenderComposite (dpy,
1036	PictOpSrc,	805	PictOpSrc,
1037	src,	806	src,
1038	None,	807	None,
1039	dst,	808	dst,
1040	0, 0,	809	0, 0,
1041	0, 0,	810	0, 0,
1042	0, 0,	811	0, 0,
1043	width, height);	812	width, height);
1044	}
1045		813
1046	if (v_blurRadius)	814	::swap (src, dst);
1047	{	815
1048	size = v_blurRadius * 2 + 1;	816	size = v_blurRadius * 2 + 1;
1049	get_gaussian_kernel (v_blurRadius, size, kernel, params);	817	get_gaussian_kernel (v_blurRadius, size, kernel, params);
1050	::swap (params[0], params[1]);	818	::swap (params[0], params[1]);
1051		819
1052	XRenderSetPictureFilter (dpy, src, FilterConvolution, params, size+2);	820	XRenderSetPictureFilter (dpy, src, FilterConvolution, params, size+2);
1053	XRenderComposite (dpy,	821	XRenderComposite (dpy,
1054	PictOpSrc,	822	PictOpSrc,
1055	src,	823	src,
1056	None,	824	None,
1057	dst,	825	dst,
1058	0, 0,	826	0, 0,
1059	0, 0,	827	0, 0,
1060	0, 0,	828	0, 0,
1061	width, height);	829	width, height);
1062	}
1063		830
1064	ret = true;	831	ret = true;
1065	}	832	}
1066		833
1067	free (kernel);	834	free (kernel);
…		…
1071	#endif	838	#endif
1072	return ret;	839	return ret;
1073	}	840	}
1074		841
1075	bool	842	bool
1076	rxvt_term::tint_pixmap (Pixmap pixmap, Visual *visual, int width, int height)	843	rxvt_term::tint_pixmap (Pixmap pixmap, int width, int height)
1077	{	844	{
1078	bool ret = false;	845	bool ret = false;
1079		846
1080	if (bg_flags & BG_TINT_BITAND)	847	if (shade == 100 && (bg_flags & BG_TINT_BITAND))
1081	{	848	{
1082	XGCValues gcv;	849	XGCValues gcv;
1083	GC gc;	850	GC gc;
1084		851
1085	/* In this case we can tint image server-side getting significant	852	/* In this case we can tint image server-side getting significant
…		…
1094	XFillRectangle (dpy, pixmap, gc, 0, 0, width, height);	861	XFillRectangle (dpy, pixmap, gc, 0, 0, width, height);
1095	ret = true;	862	ret = true;
1096	XFreeGC (dpy, gc);	863	XFreeGC (dpy, gc);
1097	}	864	}
1098	}	865	}
1099	else
1100	{
1101	# if XRENDER	866	# if XRENDER
		867	else if (bg_flags & BG_HAS_RENDER)
		868	{
1102	rgba c (rgba::MAX_CC, rgba::MAX_CC, rgba::MAX_CC);	869	rgba c (rgba::MAX_CC, rgba::MAX_CC, rgba::MAX_CC);
1103		870
1104	if (bg_flags & BG_TINT_SET)	871	if (bg_flags & BG_TINT_SET)
1105	tint.get (c);	872	tint.get (c);
1106		873
…		…
1115	c.r = c.r * (200 - shade) / 100;	882	c.r = c.r * (200 - shade) / 100;
1116	c.g = c.g * (200 - shade) / 100;	883	c.g = c.g * (200 - shade) / 100;
1117	c.b = c.b * (200 - shade) / 100;	884	c.b = c.b * (200 - shade) / 100;
1118	}	885	}
1119		886
1120	XRenderPictFormat *solid_format = XRenderFindStandardFormat (dpy, PictStandardARGB32);
1121	XRenderPictFormat *format = XRenderFindVisualFormat (dpy, visual);	887	XRenderPictFormat *format = XRenderFindVisualFormat (dpy, visual);
1122	XRenderPictureAttributes pa;
1123		888
1124	Picture back_pic = XRenderCreatePicture (dpy, pixmap, format, 0, &pa);	889	Picture back_pic = XRenderCreatePicture (dpy, pixmap, format, 0, 0);
1125		890
1126	pa.repeat = True;	891	Picture overlay_pic = create_xrender_mask (dpy, pixmap, True, False);
1127		892
1128	Pixmap overlay_pmap = XCreatePixmap (dpy, pixmap, 1, 1, 32);	893	Picture mask_pic = create_xrender_mask (dpy, pixmap, True, True);
1129	Picture overlay_pic = XRenderCreatePicture (dpy, overlay_pmap, solid_format, CPRepeat, &pa);
1130	XFreePixmap (dpy, overlay_pmap);
1131
1132	pa.component_alpha = True;
1133	Pixmap mask_pmap = XCreatePixmap (dpy, pixmap, 1, 1, 32);
1134	Picture mask_pic = XRenderCreatePicture (dpy, mask_pmap, solid_format, CPRepeat | CPComponentAlpha, &pa);
1135	XFreePixmap (dpy, mask_pmap);
1136		894
1137	XRenderColor mask_c;	895	XRenderColor mask_c;
1138		896
1139	mask_c.alpha = 0xffff;	897	mask_c.alpha = 0xffff;
1140	mask_c.red =	898	mask_c.red =
…		…
1145	mask_c.alpha = 0;	903	mask_c.alpha = 0;
1146	mask_c.red = 0xffff - c.r;	904	mask_c.red = 0xffff - c.r;
1147	mask_c.green = 0xffff - c.g;	905	mask_c.green = 0xffff - c.g;
1148	mask_c.blue = 0xffff - c.b;	906	mask_c.blue = 0xffff - c.b;
1149	XRenderFillRectangle (dpy, PictOpSrc, mask_pic, &mask_c, 0, 0, 1, 1);	907	XRenderFillRectangle (dpy, PictOpSrc, mask_pic, &mask_c, 0, 0, 1, 1);
		908
1150	XRenderComposite (dpy, PictOpOver, overlay_pic, mask_pic, back_pic, 0, 0, 0, 0, 0, 0, width, height);	909	XRenderComposite (dpy, PictOpOver, overlay_pic, mask_pic, back_pic, 0, 0, 0, 0, 0, 0, width, height);
1151		910
1152	if (shade > 100)	911	if (shade > 100)
1153	{	912	{
1154	mask_c.red = mask_c.green = mask_c.blue = 0xffff * (shade - 100) / 100;
1155	mask_c.alpha = 0;	913	mask_c.alpha = 0;
		914	mask_c.red =
		915	mask_c.green =
		916	mask_c.blue = 0xffff * (shade - 100) / 100;
1156	XRenderFillRectangle (dpy, PictOpSrc, overlay_pic, &mask_c, 0, 0, 1, 1);	917	XRenderFillRectangle (dpy, PictOpSrc, overlay_pic, &mask_c, 0, 0, 1, 1);
1157		918
1158	XRenderComposite (dpy, PictOpOver, overlay_pic, None, back_pic, 0, 0, 0, 0, 0, 0, width, height);	919	XRenderComposite (dpy, PictOpOver, overlay_pic, None, back_pic, 0, 0, 0, 0, 0, 0, width, height);
1159	}	920	}
1160		921
1161	ret = true;	922	ret = true;
1162		923
1163	XRenderFreePicture (dpy, mask_pic);	924	XRenderFreePicture (dpy, mask_pic);
1164	XRenderFreePicture (dpy, overlay_pic);	925	XRenderFreePicture (dpy, overlay_pic);
1165	XRenderFreePicture (dpy, back_pic);	926	XRenderFreePicture (dpy, back_pic);
		927	}
1166	# endif	928	# endif
1167	}
1168		929
1169	return ret;	930	return ret;
1170	}	931	}
1171		932
1172	/*	933	/*
1173	* Builds a pixmap of the same size as the terminal window that contains	934	* Builds a pixmap of the same size as the terminal window that contains
1174	* the tiled portion of the root pixmap that is supposed to be covered by	935	* the tiled portion of the root pixmap that is supposed to be covered by
1175	* our window.	936	* our window.
1176	*/	937	*/
1177	unsigned long	938	bool
1178	rxvt_term::make_transparency_pixmap ()	939	rxvt_term::make_transparency_pixmap ()
1179	{	940	{
1180	unsigned long result = 0;	941	bool ret = false;
1181		942
1182	/* root dimensions may change from call to call - but Display structure should	943	/* root dimensions may change from call to call - but Display structure should
1183	* be always up-to-date, so let's use it :	944	* be always up-to-date, so let's use it :
1184	*/	945	*/
1185	int screen = display->screen;	946	int screen = display->screen;
…		…
1223	#if XRENDER	984	#if XRENDER
1224	if (bg_flags & BG_HAS_RENDER)	985	if (bg_flags & BG_HAS_RENDER)
1225	{	986	{
1226	recoded_root_pmap = XCreatePixmap (dpy, vt, root_pmap_width, root_pmap_height, depth);	987	recoded_root_pmap = XCreatePixmap (dpy, vt, root_pmap_width, root_pmap_height, depth);
1227		988
1228	XRenderPictureAttributes pa;
1229
1230	XRenderPictFormat *src_format = XRenderFindVisualFormat (dpy, DefaultVisual (dpy, screen));	989	XRenderPictFormat *src_format = XRenderFindVisualFormat (dpy, DefaultVisual (dpy, screen));
1231	Picture src = XRenderCreatePicture (dpy, root_pixmap, src_format, 0, &pa);	990	Picture src = XRenderCreatePicture (dpy, root_pixmap, src_format, 0, 0);
1232		991
1233	XRenderPictFormat *dst_format = XRenderFindVisualFormat (dpy, visual);	992	XRenderPictFormat *dst_format = XRenderFindVisualFormat (dpy, visual);
1234	Picture dst = XRenderCreatePicture (dpy, recoded_root_pmap, dst_format, 0, &pa);	993	Picture dst = XRenderCreatePicture (dpy, recoded_root_pmap, dst_format, 0, 0);
1235		994
1236	XRenderComposite (dpy, PictOpSrc, src, None, dst, 0, 0, 0, 0, 0, 0, root_pmap_width, root_pmap_height);	995	XRenderComposite (dpy, PictOpSrc, src, None, dst, 0, 0, 0, 0, 0, 0, root_pmap_width, root_pmap_height);
1237		996
1238	XRenderFreePicture (dpy, src);	997	XRenderFreePicture (dpy, src);
1239	XRenderFreePicture (dpy, dst);	998	XRenderFreePicture (dpy, dst);
…		…
1256	bg_pmap_width = window_width;	1015	bg_pmap_width = window_width;
1257	bg_pmap_height = window_height;	1016	bg_pmap_height = window_height;
1258	}	1017	}
1259		1018
1260	/* straightforward pixmap copy */	1019	/* straightforward pixmap copy */
1261	while (sx < 0) sx += root_width;	1020	while (sx < 0) sx += root_pmap_width;
1262	while (sy < 0) sy += root_height;	1021	while (sy < 0) sy += root_pmap_height;
1263		1022
1264	gcv.tile = recoded_root_pmap;	1023	gcv.tile = recoded_root_pmap;
1265	gcv.fill_style = FillTiled;	1024	gcv.fill_style = FillTiled;
1266	gcv.ts_x_origin = -sx;	1025	gcv.ts_x_origin = -sx;
1267	gcv.ts_y_origin = -sy;	1026	gcv.ts_y_origin = -sy;
1268	gc = XCreateGC (dpy, vt, GCFillStyle | GCTile | GCTileStipXOrigin | GCTileStipYOrigin, &gcv);	1027	gc = XCreateGC (dpy, vt, GCFillStyle | GCTile | GCTileStipXOrigin | GCTileStipYOrigin, &gcv);
1269		1028
1270	if (gc)	1029	if (gc)
1271	{	1030	{
1272	XFillRectangle (dpy, bg_pixmap, gc, 0, 0, window_width, window_height);	1031	XFillRectangle (dpy, bg_pixmap, gc, 0, 0, window_width, window_height);
1273	result |= BG_IS_VALID | (bg_flags & BG_EFFECTS_FLAGS);	1032	ret = true;
		1033	bool need_blur = h_blurRadius && v_blurRadius;
		1034	bool need_tint = shade != 100 || (bg_flags & BG_TINT_SET);
		1035
		1036	if (!(bg_flags & BG_CLIENT_RENDER))
		1037	{
		1038	if (need_blur)
		1039	{
		1040	if (blur_pixmap (bg_pixmap, window_width, window_height))
		1041	need_blur = false;
		1042	}
		1043	if (need_tint)
		1044	{
		1045	if (tint_pixmap (bg_pixmap, window_width, window_height))
		1046	need_tint = false;
		1047	}
		1048	if (need_tint)
		1049	{
		1050	XImage *ximage = XGetImage (dpy, bg_pixmap, 0, 0, bg_pmap_width, bg_pmap_height, AllPlanes, ZPixmap);
		1051	if (ximage)
		1052	{
		1053	/* our own client-side tinting */
		1054	tint_ximage (ximage);
		1055
		1056	XPutImage (dpy, bg_pixmap, gc, ximage, 0, 0, 0, 0, ximage->width, ximage->height);
		1057	XDestroyImage (ximage);
		1058	}
		1059	}
		1060	} /* server side rendering completed */
		1061
1274	XFreeGC (dpy, gc);	1062	XFreeGC (dpy, gc);
1275
1276	if (!(bg_flags & BG_CLIENT_RENDER))
1277	{
1278	if ((bg_flags & BG_NEEDS_BLUR)
1279	&& (bg_flags & BG_HAS_RENDER_CONV))
1280	{
1281	if (blur_pixmap (bg_pixmap, visual, window_width, window_height))
1282	result &= ~BG_NEEDS_BLUR;
1283	}
1284	if ((bg_flags & BG_NEEDS_TINT)
1285	&& (bg_flags & (BG_TINT_BITAND | BG_HAS_RENDER)))
1286	{
1287	if (tint_pixmap (bg_pixmap, visual, window_width, window_height))
1288	result &= ~BG_NEEDS_TINT;
1289	}
1290	} /* server side rendering completed */
1291	}	1063	}
1292		1064
1293	if (recoded_root_pmap != root_pixmap)	1065	if (recoded_root_pmap != root_pixmap)
1294	XFreePixmap (dpy, recoded_root_pmap);	1066	XFreePixmap (dpy, recoded_root_pmap);
1295		1067
1296	return result;	1068	return ret;
1297	}	1069	}
1298		1070
1299	void	1071	void
1300	rxvt_term::bg_set_root_pixmap ()	1072	rxvt_term::bg_set_root_pixmap ()
1301	{	1073	{
…		…
1305		1077
1306	root_pixmap = new_root_pixmap;	1078	root_pixmap = new_root_pixmap;
1307	}	1079	}
1308	# endif /* ENABLE_TRANSPARENCY */	1080	# endif /* ENABLE_TRANSPARENCY */
1309		1081
1310	#if defined(ENABLE_TRANSPARENCY) && !defined(HAVE_AFTERIMAGE)
1311	static void shade_ximage (Visual *visual, XImage *ximage, int shade, const rgba &c);
1312	# endif
1313
1314	bool	1082	bool
1315	rxvt_term::bg_render ()	1083	rxvt_term::bg_render ()
1316	{	1084	{
1317	unsigned long tr_flags = 0;
1318
1319	bg_invalidate ();	1085	bg_invalidate ();
1320	# ifdef ENABLE_TRANSPARENCY	1086	# ifdef ENABLE_TRANSPARENCY
1321	if (bg_flags & BG_IS_TRANSPARENT)	1087	if (bg_flags & BG_IS_TRANSPARENT)
1322	{	1088	{
1323	/* we need to re-generate transparency pixmap in that case ! */	1089	/* we need to re-generate transparency pixmap in that case ! */
1324	tr_flags = make_transparency_pixmap ();	1090	if (make_transparency_pixmap ())
1325	if (tr_flags == 0)
1326	return false;
1327	else if (!(tr_flags & BG_EFFECTS_FLAGS))
1328	bg_flags |= BG_IS_VALID;	1091	bg_flags |= BG_IS_VALID;
1329	}	1092	}
1330	# endif	1093	# endif
1331		1094
1332	# ifdef BG_IMAGE_FROM_FILE	1095	# ifdef BG_IMAGE_FROM_FILE
1333	if ((bg_flags & BG_IS_FROM_FILE)	1096	if (bg_image.flags & IM_IS_SET)
1334	|| (tr_flags & BG_EFFECTS_FLAGS))
1335	{	1097	{
1336	if (render_image (tr_flags))	1098	if (render_image (bg_image))
1337	bg_flags |= BG_IS_VALID;	1099	bg_flags |= BG_IS_VALID;
1338	}
1339	# endif
1340
1341	# if defined(ENABLE_TRANSPARENCY) && !defined(HAVE_AFTERIMAGE)
1342	XImage *result = NULL;
1343
1344	if (tr_flags && !(bg_flags & BG_IS_VALID))
1345	{
1346	result = XGetImage (dpy, bg_pixmap, 0, 0, bg_pmap_width, bg_pmap_height, AllPlanes, ZPixmap);
1347	}
1348
1349	if (result)
1350	{
1351	/* our own client-side tinting */
1352	if (tr_flags & BG_NEEDS_TINT)
1353	{
1354	rgba c (rgba::MAX_CC,rgba::MAX_CC,rgba::MAX_CC);
1355	if (bg_flags & BG_TINT_SET)
1356	tint.get (c);
1357	shade_ximage (DefaultVisual (dpy, display->screen), result, shade, c);
1358	}
1359
1360	GC gc = XCreateGC (dpy, vt, 0UL, NULL);
1361
1362	if (gc)
1363	{
1364	XPutImage (dpy, bg_pixmap, gc, result, 0, 0, 0, 0, result->width, result->height);
1365
1366	XFreeGC (dpy, gc);
1367	bg_flags |= BG_IS_VALID;
1368	}
1369
1370	XDestroyImage (result);
1371	}	1100	}
1372	# endif	1101	# endif
1373		1102
1374	if (!(bg_flags & BG_IS_VALID))	1103	if (!(bg_flags & BG_IS_VALID))
1375	{	1104	{
…		…
1412	#endif	1141	#endif
1413	}	1142	}
1414		1143
1415	#endif /* HAVE_BG_PIXMAP */	1144	#endif /* HAVE_BG_PIXMAP */
1416		1145
1417	#if defined(ENABLE_TRANSPARENCY) && !defined(HAVE_AFTERIMAGE)	1146	#ifdef ENABLE_TRANSPARENCY
1418	/* taken from aterm-0.4.2 */	1147	/* based on code from aterm-0.4.2 */
1419		1148
1420	static void	1149	static inline void
1421	shade_ximage (Visual *visual, XImage *ximage, int shade, const rgba &c)	1150	fill_lut (uint32_t *lookup, uint32_t mask, int sh, unsigned short low, unsigned short high)
1422	{	1151	{
		1152	for (int i = 0; i <= mask >> sh; i++)
		1153	{
		1154	uint32_t tmp;
		1155	tmp = i * high;
		1156	tmp += (mask >> sh) * low;
		1157	lookup[i] = (tmp / 0xffff) << sh;
		1158	}
		1159	}
		1160
		1161	void
		1162	rxvt_term::tint_ximage (XImage *ximage)
		1163	{
		1164	unsigned int size_r, size_g, size_b;
1423	int sh_r, sh_g, sh_b;	1165	int sh_r, sh_g, sh_b;
1424	uint32_t mask_r, mask_g, mask_b;	1166	uint32_t mask_r, mask_g, mask_b;
1425	uint32_t *lookup, *lookup_r, *lookup_g, *lookup_b;	1167	uint32_t *lookup, *lookup_r, *lookup_g, *lookup_b;
1426	rgba low;	1168	unsigned short low;
1427	rgba high;
1428	int i;
1429	int host_byte_order = ecb_big_endian () ? MSBFirst : LSBFirst;	1169	int host_byte_order = ecb_big_endian () ? MSBFirst : LSBFirst;
1430		1170
1431	if (visual->c_class != TrueColor || ximage->format != ZPixmap) return;	1171	if (visual->c_class != TrueColor || ximage->format != ZPixmap) return;
1432		1172
1433	/* for convenience */	1173	/* for convenience */
1434	mask_r = visual->red_mask;	1174	mask_r = visual->red_mask;
1435	mask_g = visual->green_mask;	1175	mask_g = visual->green_mask;
1436	mask_b = visual->blue_mask;	1176	mask_b = visual->blue_mask;
1437		1177
1438	/* boring lookup table pre-initialization */	1178	/* boring lookup table pre-initialization */
1439	switch (ximage->depth)	1179	sh_r = ecb_ctz32 (mask_r);
1440	{	1180	sh_g = ecb_ctz32 (mask_g);
1441	case 15:	1181	sh_b = ecb_ctz32 (mask_b);
1442	if ((mask_r != 0x7c00) ||	1182
1443	(mask_g != 0x03e0) ||	1183	size_r = mask_r >> sh_r;
1444	(mask_b != 0x001f))	1184	size_g = mask_g >> sh_g;
		1185	size_b = mask_b >> sh_b;
		1186
		1187	if (size_r++ > 255 || size_g++ > 255 || size_b++ > 255)
1445	return;	1188	return;
1446	lookup = (uint32_t *) malloc (sizeof (uint32_t)*(32+32+32));	1189
		1190	lookup = (uint32_t *)malloc (sizeof (uint32_t) * (size_r + size_g + size_b));
1447	lookup_r = lookup;	1191	lookup_r = lookup;
1448	lookup_g = lookup+32;	1192	lookup_g = lookup + size_r;
1449	lookup_b = lookup+32+32;	1193	lookup_b = lookup + size_r + size_g;
1450	sh_r = 10;	1194
1451	sh_g = 5;	1195	rgba c (rgba::MAX_CC, rgba::MAX_CC, rgba::MAX_CC);
1452	sh_b = 0;	1196
1453	break;	1197	if (bg_flags & BG_TINT_SET)
1454	case 16:	1198	tint.get (c);
1455	if ((mask_r != 0xf800) ||
1456	(mask_g != 0x07e0) ||
1457	(mask_b != 0x001f))
1458	return;
1459	lookup = (uint32_t *) malloc (sizeof (uint32_t)*(32+64+32));
1460	lookup_r = lookup;
1461	lookup_g = lookup+32;
1462	lookup_b = lookup+32+64;
1463	sh_r = 11;
1464	sh_g = 5;
1465	sh_b = 0;
1466	break;
1467	case 24:
1468	if ((mask_r != 0xff0000) ||
1469	(mask_g != 0x00ff00) ||
1470	(mask_b != 0x0000ff))
1471	return;
1472	lookup = (uint32_t *) malloc (sizeof (uint32_t)*(256+256+256));
1473	lookup_r = lookup;
1474	lookup_g = lookup+256;
1475	lookup_b = lookup+256+256;
1476	sh_r = 16;
1477	sh_g = 8;
1478	sh_b = 0;
1479	break;
1480	case 32:
1481	if ((mask_r != 0xff0000) ||
1482	(mask_g != 0x00ff00) ||
1483	(mask_b != 0x0000ff))
1484	return;
1485	lookup = (uint32_t *) malloc (sizeof (uint32_t)*(256+256+256));
1486	lookup_r = lookup;
1487	lookup_g = lookup+256;
1488	lookup_b = lookup+256+256;
1489	sh_r = 16;
1490	sh_g = 8;
1491	sh_b = 0;
1492	break;
1493	default:
1494	return; /* we do not support this color depth */
1495	}
1496		1199
1497	/* prepare limits for color transformation (each channel is handled separately) */	1200	/* prepare limits for color transformation (each channel is handled separately) */
1498	if (shade > 100)	1201	if (shade > 100)
1499	{	1202	{
1500	shade = 200 - shade;
1501
1502	high.r = c.r * shade / 100;
1503	high.g = c.g * shade / 100;
1504	high.b = c.b * shade / 100;
1505
1506	low.r = 65535 * (100 - shade) / 100;	1203	c.r = c.r * (200 - shade) / 100;
1507	low.g = 65535 * (100 - shade) / 100;	1204	c.g = c.g * (200 - shade) / 100;
1508	low.b = 65535 * (100 - shade) / 100;	1205	c.b = c.b * (200 - shade) / 100;
		1206
		1207	low = 0xffff * (shade - 100) / 100;
1509	}	1208	}
1510	else	1209	else
1511	{	1210	{
1512	high.r = c.r * shade / 100;	1211	c.r = c.r * shade / 100;
1513	high.g = c.g * shade / 100;	1212	c.g = c.g * shade / 100;
1514	high.b = c.b * shade / 100;	1213	c.b = c.b * shade / 100;
1515		1214
1516	low.r = low.g = low.b = 0;	1215	low = 0;
1517	}	1216	}
1518		1217
1519	/* fill our lookup tables */	1218	/* fill our lookup tables */
1520	for (i = 0; i <= mask_r>>sh_r; i++)	1219	fill_lut (lookup_r, mask_r, sh_r, low, c.r);
1521	{	1220	fill_lut (lookup_g, mask_g, sh_g, low, c.g);
1522	uint32_t tmp;	1221	fill_lut (lookup_b, mask_b, sh_b, low, c.b);
1523	tmp = i * high.r;
1524	tmp += (mask_r>>sh_r) * low.r;
1525	lookup_r[i] = (tmp/65535)<<sh_r;
1526	}
1527	for (i = 0; i <= mask_g>>sh_g; i++)
1528	{
1529	uint32_t tmp;
1530	tmp = i * high.g;
1531	tmp += (mask_g>>sh_g) * low.g;
1532	lookup_g[i] = (tmp/65535)<<sh_g;
1533	}
1534	for (i = 0; i <= mask_b>>sh_b; i++)
1535	{
1536	uint32_t tmp;
1537	tmp = i * high.b;
1538	tmp += (mask_b>>sh_b) * low.b;
1539	lookup_b[i] = (tmp/65535)<<sh_b;
1540	}
1541		1222
1542	/* apply table to input image (replacing colors by newly calculated ones) */	1223	/* apply table to input image (replacing colors by newly calculated ones) */
1543	if (ximage->bits_per_pixel == 32	1224	if (ximage->bits_per_pixel == 32
1544	&& (ximage->depth == 24 || ximage->depth == 32)
1545	&& ximage->byte_order == host_byte_order)	1225	&& ximage->byte_order == host_byte_order)
1546	{	1226	{
1547	uint32_t *p1, *pf, *p, *pl;	1227	char *line = ximage->data;
1548	p1 = (uint32_t *) ximage->data;
1549	pf = (uint32_t *) (ximage->data + ximage->height * ximage->bytes_per_line);
1550		1228
1551	while (p1 < pf)	1229	for (int y = 0; y < ximage->height; y++)
1552	{
1553	p = p1;
1554	pl = p1 + ximage->width;
1555	for (; p < pl; p++)
1556	{	1230	{
1557	*p = lookup_r[(*p & 0xff0000) >> 16] |	1231	uint32_t *p = (uint32_t *)line;
1558	lookup_g[(*p & 0x00ff00) >> 8] |	1232	for (int x = 0; x < ximage->width; x++)
1559	lookup_b[(*p & 0x0000ff)] |
1560	(*p & 0xff000000);
1561	}	1233	{
1562	p1 = (uint32_t *) ((char *) p1 + ximage->bytes_per_line);	1234	*p = lookup_r[(*p & mask_r) >> sh_r] |
		1235	lookup_g[(*p & mask_g) >> sh_g] |
		1236	lookup_b[(*p & mask_b) >> sh_b];
		1237	p++;
		1238	}
		1239	line += ximage->bytes_per_line;
1563	}	1240	}
1564	}	1241	}
1565	else	1242	else
1566	{	1243	{
1567	for (int y = 0; y < ximage->height; y++)	1244	for (int y = 0; y < ximage->height; y++)
…		…
1575	}	1252	}
1576	}	1253	}
1577		1254
1578	free (lookup);	1255	free (lookup);
1579	}	1256	}
1580	#endif /* defined(ENABLE_TRANSPARENCY) && !defined(HAVE_AFTERIMAGE) */	1257	#endif /* ENABLE_TRANSPARENCY */

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