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Comparing rxvt-unicode/src/background.C (file contents):
Revision 1.158 by sf-exg, Wed Aug 10 07:28:36 2011 UTC vs.
Revision 1.218 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], "root"))	284	|| v_scale != h
278	{	285	|| h_align != x
279	new_flags |= BG_TILE|BG_ROOT_ALIGN;	286	|| v_align != y)
280	w = h = noScale;
281	geom_flags |= WidthValue|HeightValue;
282	}
283	} /* done parsing ops */
284
285	rxvt_free_strsplit (arr);
286	}	287	{
287
288	if (check_set_scale_value (geom_flags, WidthValue, h_scale, w)) changed = true;
289	if (check_set_scale_value (geom_flags, HeightValue, v_scale, h)) changed = true;
290	if (check_set_align_value (geom_flags, XValue, h_align, x)) changed = true;
291	if (check_set_align_value (geom_flags, YValue, v_align, y)) changed = true;
292
293	if (new_flags != bg_flags)
294	{
295	bg_flags = new_flags;	288	flags = new_flags;
		289	h_scale = w;
		290	v_scale = h;
		291	h_align = x;
		292	v_align = y;
296	changed = true;	293	changed = true;
297	}	294	}
298		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
299	return changed;	303	return changed;
300	}	304	}
301		305
302	void	306	void
303	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)
304	{	308	{
		309	int image_width = image.width ();
		310	int image_height = image.height ();
305	int target_width = szHint.width;	311	int target_width = szHint.width;
306	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);
307		315
308	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)
309	{	320	{
310	float scale = (float)target_width / image_width;	321	float scale = (float)w / image_width;
311	min_it (scale, (float)target_height / image_height);	322	min_it (scale, (float)h / image_height);
312	w = image_width * scale + 0.5;	323	w = image_width * scale + 0.5;
313	h = image_height * scale + 0.5;	324	h = image_height * scale + 0.5;
314	}	325	}
315	else
316	{
317	w = h_scale * target_width / 100;
318	h = v_scale * target_height / 100;
319	}
320		326
321	if (!w) w = image_width;	327	if (!w) w = image_width;
322	if (!h) h = image_height;	328	if (!h) h = image_height;
323		329
324	if (bg_flags & BG_ROOT_ALIGN)	330	if (image.flags & IM_ROOT_ALIGN)
325	{	331	{
326	x = -target_x;	332	x = -target_x;
327	y = -target_y;	333	y = -target_y;
328	}	334	}
329	else	335	else
330	{	336	{
331	x = make_align_position (h_align, target_width, w);	337	x = make_align_position (image.h_align, target_width, w);
332	y = make_align_position (v_align, target_height, h);	338	y = make_align_position (image.v_align, target_height, h);
333	}
334
335	bg_flags &= ~BG_IS_SIZE_SENSITIVE;
336	if (!(bg_flags & BG_TILE)
337	|| (bg_flags & BG_PROP_SCALE) || h_scale || v_scale
338	|| (!(bg_flags & BG_ROOT_ALIGN) && (h_align || v_align))
339	|| w > target_width || h > target_height)
340	bg_flags |= BG_IS_SIZE_SENSITIVE;
341	}
342
343	# ifdef HAVE_AFTERIMAGE
344	bool
345	rxvt_term::render_image (unsigned long tr_flags)
346	{
347	init_asv ();
348
349	ASImage *background = NULL;
350	ARGB32 background_tint = TINT_LEAVE_SAME;
351
352	# ifdef ENABLE_TRANSPARENCY
353	if (tr_flags)
354	background = pixmap2ximage (asv, bg_pixmap, 0, 0, bg_pmap_width, bg_pmap_height, AllPlanes, 100);
355
356	if (tr_flags & BG_NEEDS_TINT)
357	{	339	}
358	ShadingInfo as_shade;	340	}
359	as_shade.shading = shade;
360		341
361	rgba c (rgba::MAX_CC,rgba::MAX_CC,rgba::MAX_CC);	342	# ifdef HAVE_PIXBUF
362	if (bg_flags & BG_TINT_SET)	343	bool
363	tint.get (c);	344	rxvt_term::pixbuf_to_pixmap (GdkPixbuf *pixbuf, Pixmap pixmap, GC gc,
364	as_shade.tintColor.red = c.r;	345	int src_x, int src_y, int dst_x, int dst_y,
365	as_shade.tintColor.green = c.g;	346	unsigned int width, unsigned int height, bool argb)
366	as_shade.tintColor.blue = c.b;	347	{
		348	XImage *ximage;
		349	char *line;
		350	int width_r, width_g, width_b, width_a;
		351	int sh_r, sh_g, sh_b, sh_a;
		352	uint32_t red_mask, green_mask, blue_mask, alpha_mask;
		353	int rowstride;
		354	int channels;
		355	unsigned char *row;
367		356
368	background_tint = shading2tint32 (&as_shade);	357	if (visual->c_class != TrueColor)
		358	return false;
		359
		360	if (argb)
369	}	361	{
370		362	red_mask = 0xff << 16;
371	if ((tr_flags & BG_NEEDS_BLUR) && background != NULL)	363	green_mask = 0xff << 8;
		364	blue_mask = 0xff;
		365	alpha_mask = 0xff << 24;
372	{	366	}
373	ASImage *tmp = blur_asimage_gauss (asv, background, h_blurRadius, v_blurRadius, 0xFFFFFFFF,	367	else
374	(original_asim == NULL || tint == TINT_LEAVE_SAME) ? ASA_XImage : ASA_ASImage,	368	{
375	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);
376	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)
377	{	435	{
378	destroy_asimage (&background);	436	a = pixel[3];
379	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);
380	}	458	}
381	}
382	# endif
383		459
384	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);
385		486
386	int target_width = szHint.width;	487	int target_width = szHint.width;
387	int target_height = szHint.height;	488	int target_height = szHint.height;
388	int new_pmap_width = target_width;	489	int new_pmap_width = target_width;
389	int new_pmap_height = target_height;	490	int new_pmap_height = target_height;
…		…
391	int x = 0;	492	int x = 0;
392	int y = 0;	493	int y = 0;
393	int w = 0;	494	int w = 0;
394	int h = 0;	495	int h = 0;
395		496
396	if (original_asim)	497	get_image_geometry (image, w, h, x, y);
397	get_image_geometry (original_asim->width, original_asim->height, w, h, x, y);
398		498
399	if (!original_asim	499	if (!(image.flags & IM_ROOT_ALIGN)
400	|| (!(bg_flags & BG_ROOT_ALIGN)
401	&& (x >= target_width	500	&& (x >= target_width
402	|| y >= target_height	501	|| y >= target_height
403	|| (x + w <= 0)	502	|| x + w <= 0
404	|| (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);
405	{	514	}
406	if (background)
407	{
408	new_pmap_width = background->width;
409	new_pmap_height = background->height;
410	result = background;
411		515
412	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)
413	{	533	{
414	ASImage *tmp = tile_asimage (asv, background, 0, 0,	534	new_pmap_width = min (image_width, target_width);
415	target_width, target_height, background_tint,	535	new_pmap_height = min (image_height, target_height);
416	ASA_XImage, 100, ASIMAGE_QUALITY_DEFAULT);
417	if (tmp)
418	result = tmp;
419	}
420	}	536	}
421	else
422	new_pmap_width = new_pmap_height = 0;
423	}
424	else
425	{
426	result = original_asim;
427		537
428	if ((w != original_asim->width)
429	|| (h != original_asim->height))
430	{
431	result = scale_asimage (asv, original_asim,
432	w, h,
433	background ? ASA_ASImage : ASA_XImage,
434	100, ASIMAGE_QUALITY_DEFAULT);
435	}
436
437	if (background == NULL)
438	{
439	if (bg_flags & BG_TILE)
440	{
441	/* if tiling - pixmap has to be sized exactly as the image,
442	but there is no need to make it bigger than the window! */
443	new_pmap_width = min (result->width, target_width);
444	new_pmap_height = min (result->height, target_height);
445
446	/* we also need to tile our image in both directions */
447	ASImage *tmp = tile_asimage (asv, result,
448	(int)result->width - x,
449	(int)result->height - y,
450	new_pmap_width,
451	new_pmap_height,
452	TINT_LEAVE_SAME, ASA_XImage,
453	100, ASIMAGE_QUALITY_DEFAULT);
454	if (tmp)
455	{
456	if (result != original_asim)
457	destroy_asimage (&result);
458
459	result = tmp;
460	}
461	}
462	}
463	else
464	{
465	/* if blending background and image - pixmap has to be sized same as target window */
466	ASImageLayer *layers = create_image_layers (2);
467
468	layers[0].im = background;
469	layers[0].clip_width = target_width;
470	layers[0].clip_height = target_height;
471	layers[0].tint = background_tint;
472	layers[1].im = result;
473
474	if (bg_flags & BG_TILE)
475	{
476	/* tile horizontally */
477	while (x > 0) x -= (int)result->width;
478	layers[1].dst_x = x;
479	layers[1].clip_width = result->width+target_width;
480	}
481	else
482	{
483	/* clip horizontally */
484	layers[1].dst_x = x;
485	layers[1].clip_width = result->width;
486	}
487
488	if (bg_flags & BG_TILE)
489	{
490	while (y > 0) y -= (int)result->height;
491	layers[1].dst_y = y;
492	layers[1].clip_height = result->height + target_height;
493	}
494	else
495	{
496	layers[1].dst_y = y;
497	layers[1].clip_height = result->height;
498	}
499
500	if (rs[Rs_blendtype])
501	{
502	layers[1].merge_scanlines = blend_scanlines_name2func (rs[Rs_blendtype]);
503	if (layers[1].merge_scanlines == NULL)
504	layers[1].merge_scanlines = alphablend_scanlines;
505	}
506
507	ASImage *tmp = merge_layers (asv, layers, 2, target_width, target_height,
508	ASA_XImage, 0, ASIMAGE_QUALITY_DEFAULT);
509
510	if (tmp)
511	{
512	if (result != original_asim)
513	destroy_asimage (&result);
514
515	result = tmp;
516	}
517
518	free (layers);
519	}
520	}
521
522	bool ret = false;
523
524	if (result)
525	{
526	XGCValues gcv;
527	GC gc;
528
529	/* create Pixmap */
530	if (bg_pixmap == None	538	if (bg_pixmap == None
531	|| bg_pmap_width != new_pmap_width	539	|| bg_pmap_width != new_pmap_width
532	|| bg_pmap_height != new_pmap_height)	540	|| bg_pmap_height != new_pmap_height)
533	{	541	{
534	if (bg_pixmap)	542	if (bg_pixmap)
535	XFreePixmap (dpy, bg_pixmap);	543	XFreePixmap (dpy, bg_pixmap);
536	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);
537	bg_pmap_width = new_pmap_width;	545	bg_pmap_width = new_pmap_width;
538	bg_pmap_height = new_pmap_height;	546	bg_pmap_height = new_pmap_height;
539	}	547	}
540	/* fill with background color (if result's not completely overlapping it) */
541	gcv.foreground = pix_colors[Color_bg];
542	gc = XCreateGC (dpy, vt, GCForeground, &gcv);
543		548
544	int src_x = 0, src_y = 0, dst_x = 0, dst_y = 0;
545	int dst_width = result->width, dst_height = result->height;
546	if (background == NULL)
547	{
548	if (!(bg_flags & BG_TILE))
549	{
550	src_x = make_clip_rectangle (x, result->width , new_pmap_width , dst_x, dst_width );
551	src_y = make_clip_rectangle (y, result->height, new_pmap_height, dst_y, dst_height);
552	}
553
554	if (dst_x > 0 || dst_y > 0
555	|| dst_x + dst_width < new_pmap_width
556	|| dst_y + dst_height < new_pmap_height)
557	XFillRectangle (dpy, bg_pixmap, gc, 0, 0, new_pmap_width, new_pmap_height);
558	}
559
560	/* put result on pixmap */
561	if (dst_x < new_pmap_width && dst_y < new_pmap_height)
562	asimage2drawable (asv, bg_pixmap, result, gc, src_x, src_y, dst_x, dst_y, dst_width, dst_height, True);
563
564	if (result != background && result != original_asim)
565	destroy_asimage (&result);
566
567	XFreeGC (dpy, gc);
568
569	ret = true;
570	}
571
572	if (background)
573	destroy_asimage (&background);
574
575	return ret;
576	}
577	# endif /* HAVE_AFTERIMAGE */
578
579	# ifdef HAVE_PIXBUF
580	bool
581	rxvt_term::pixbuf_to_pixmap (GdkPixbuf *pixbuf, Pixmap pixmap, GC gc,
582	int src_x, int src_y, int dst_x, int dst_y,
583	unsigned int width, unsigned int height)
584	{
585	XImage *ximage;
586	char *data, *line;
587	int bytes_per_pixel;
588	int width_r, width_g, width_b;
589	int sh_r, sh_g, sh_b;
590	int rowstride;
591	int channels;
592	unsigned char *row;
593
594	if (visual->c_class != TrueColor)
595	return false;
596
597	if (depth == 24 || depth == 32)
598	bytes_per_pixel = 4;
599	else if (depth == 15 || depth == 16)
600	bytes_per_pixel = 2;
601	else
602	return false;
603
604	width_r = ecb_popcount32 (visual->red_mask);
605	width_g = ecb_popcount32 (visual->green_mask);
606	width_b = ecb_popcount32 (visual->blue_mask);
607
608	if (width_r > 8 || width_g > 8 || width_b > 8)
609	return false;
610
611	sh_r = ecb_ctz32 (visual->red_mask);
612	sh_g = ecb_ctz32 (visual->green_mask);
613	sh_b = ecb_ctz32 (visual->blue_mask);
614
615	if (width > INT_MAX / height / bytes_per_pixel)
616	return false;
617
618	data = (char *)malloc (width * height * bytes_per_pixel);
619	if (!data)
620	return false;
621
622	ximage = XCreateImage (dpy, visual, depth, ZPixmap, 0, data,
623	width, height, bytes_per_pixel * 8, 0);
624	if (!ximage)
625	{
626	free (data);
627	return false;
628	}
629
630	ximage->byte_order = ecb_big_endian () ? MSBFirst : LSBFirst;
631
632	rowstride = gdk_pixbuf_get_rowstride (pixbuf);
633	channels = gdk_pixbuf_get_n_channels (pixbuf);
634	row = gdk_pixbuf_get_pixels (pixbuf) + src_y * rowstride + src_x * channels;
635	line = data;
636
637	for (int y = 0; y < height; y++)
638	{
639	for (int x = 0; x < width; x++)
640	{
641	unsigned char *pixel = row + x * channels;
642	uint32_t value;
643
644	value = ((pixel[0] >> (8 - width_r)) << sh_r)
645	| ((pixel[1] >> (8 - width_g)) << sh_g)
646	| ((pixel[2] >> (8 - width_b)) << sh_b);
647
648	if (bytes_per_pixel == 4)
649	((uint32_t *)line)[x] = value;
650	else
651	((uint16_t *)line)[x] = value;
652	}
653
654	row += rowstride;
655	line += ximage->bytes_per_line;
656	}
657
658	XPutImage (dpy, pixmap, gc, ximage, 0, 0, dst_x, dst_y, width, height);
659	XDestroyImage (ximage);
660	return true;
661	}
662
663	bool
664	rxvt_term::render_image (unsigned long tr_flags)
665	{
666	if (!pixbuf)
667	return false;
668
669	if (tr_flags
670	&& !(bg_flags & BG_HAS_RENDER))
671	return false;
672
673	GdkPixbuf *result;
674
675	int image_width = gdk_pixbuf_get_width (pixbuf);
676	int image_height = gdk_pixbuf_get_height (pixbuf);
677
678	int target_width = szHint.width;
679	int target_height = szHint.height;
680	int new_pmap_width = target_width;
681	int new_pmap_height = target_height;
682
683	int x = 0;
684	int y = 0;
685	int w = 0;
686	int h = 0;
687
688	get_image_geometry (image_width, image_height, w, h, x, y);
689
690	if (!(bg_flags & BG_ROOT_ALIGN)
691	&& (x >= target_width
692	|| y >= target_height
693	|| (x + w <= 0)
694	|| (y + h <= 0)))
695	return false;
696
697	result = pixbuf;
698
699	if ((w != image_width)
700	|| (h != image_height))
701	{
702	result = gdk_pixbuf_scale_simple (pixbuf,
703	w, h,
704	GDK_INTERP_BILINEAR);
705	}
706
707	if (!result)
708	return false;
709
710	bool ret = false;
711
712	XGCValues gcv;
713	GC gc;
714	Pixmap root_pmap;
715
716	image_width = gdk_pixbuf_get_width (result);
717	image_height = gdk_pixbuf_get_height (result);
718
719	if (tr_flags)
720	{
721	root_pmap = bg_pixmap;	549	tmp_pixmap = bg_pixmap;
722	bg_pixmap = None;
723	}
724	else
725	{
726	if (bg_flags & BG_TILE)
727	{
728	new_pmap_width = min (image_width, target_width);
729	new_pmap_height = min (image_height, target_height);
730	}
731	}
732
733	if (bg_pixmap == None
734	|| bg_pmap_width != new_pmap_width
735	|| bg_pmap_height != new_pmap_height)
736	{
737	if (bg_pixmap)
738	XFreePixmap (dpy, bg_pixmap);
739	bg_pixmap = XCreatePixmap (dpy, vt, new_pmap_width, new_pmap_height, depth);
740	bg_pmap_width = new_pmap_width;
741	bg_pmap_height = new_pmap_height;
742	}	550	}
743		551
744	gcv.foreground = pix_colors[Color_bg];	552	gcv.foreground = pix_colors[Color_bg];
745	gc = XCreateGC (dpy, vt, GCForeground, &gcv);	553	gc = XCreateGC (dpy, tmp_pixmap, GCForeground, &gcv);
746		554
747	if (gc)	555	if (gc)
748	{	556	{
749	if (bg_flags & BG_TILE)	557	if (image.flags & IM_TILE)
750	{	558	{
751	Pixmap tile = XCreatePixmap (dpy, vt, image_width, image_height, depth);	559	Pixmap tile = XCreatePixmap (dpy, vt, image_width, image_height, need_blend ? 32 : depth);
752	pixbuf_to_pixmap (result, tile, gc,	560	pixbuf_to_pixmap (result, tile, gc,
753	0, 0,	561	0, 0,
754	0, 0,	562	0, 0,
755	image_width, image_height);	563	image_width, image_height, need_blend);
756		564
757	gcv.tile = tile;	565	gcv.tile = tile;
758	gcv.fill_style = FillTiled;	566	gcv.fill_style = FillTiled;
759	gcv.ts_x_origin = x;	567	gcv.ts_x_origin = x;
760	gcv.ts_y_origin = y;	568	gcv.ts_y_origin = y;
761	XChangeGC (dpy, gc, GCFillStyle | GCTile | GCTileStipXOrigin | GCTileStipYOrigin, &gcv);	569	XChangeGC (dpy, gc, GCFillStyle | GCTile | GCTileStipXOrigin | GCTileStipYOrigin, &gcv);
762		570
763	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);
764	XFreePixmap (dpy, tile);	572	XFreePixmap (dpy, tile);
765	}	573	}
766	else	574	else
767	{	575	{
768	int src_x, src_y, dst_x, dst_y;	576	int src_x, src_y, dst_x, dst_y;
…		…
772	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);
773		581
774	if (dst_x > 0 || dst_y > 0	582	if (dst_x > 0 || dst_y > 0
775	|| dst_x + dst_width < new_pmap_width	583	|| dst_x + dst_width < new_pmap_width
776	|| dst_y + dst_height < new_pmap_height)	584	|| dst_y + dst_height < new_pmap_height)
777	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);
778		586
779	if (dst_x < new_pmap_width && dst_y < new_pmap_height)	587	if (dst_x < new_pmap_width && dst_y < new_pmap_height)
780	pixbuf_to_pixmap (result, bg_pixmap, gc,	588	pixbuf_to_pixmap (result, tmp_pixmap, gc,
781	src_x, src_y,	589	src_x, src_y,
782	dst_x, dst_y,	590	dst_x, dst_y,
783	dst_width, dst_height);	591	dst_width, dst_height, need_blend);
784	}	592	}
785		593
786	#if XRENDER	594	#if XRENDER
787	if (tr_flags)	595	if (need_blend)
788	{	596	{
789	XRenderPictureAttributes pa;	597	XRenderPictFormat *argb_format = XRenderFindStandardFormat (dpy, PictStandardARGB32);
790
791	XRenderPictFormat *src_format = XRenderFindVisualFormat (dpy, visual);	598	XRenderPictFormat *format = XRenderFindVisualFormat (dpy, visual);
		599
792	Picture src = XRenderCreatePicture (dpy, root_pmap, src_format, 0, &pa);	600	Picture src = XRenderCreatePicture (dpy, tmp_pixmap, argb_format, 0, 0);
793		601
794	XRenderPictFormat *dst_format = XRenderFindVisualFormat (dpy, visual);
795	Picture dst = XRenderCreatePicture (dpy, bg_pixmap, dst_format, 0, &pa);	602	Picture dst = XRenderCreatePicture (dpy, bg_pixmap, format, 0, 0);
796		603
797	pa.repeat = True;	604	Picture mask = create_xrender_mask (dpy, vt, False, False);
798	Pixmap mask_pmap = XCreatePixmap (dpy, vt, 1, 1, 8);
799	XRenderPictFormat *mask_format = XRenderFindStandardFormat (dpy, PictStandardA8);
800	Picture mask = XRenderCreatePicture (dpy, mask_pmap, mask_format, CPRepeat, &pa);
801	XFreePixmap (dpy, mask_pmap);
802		605
803	XRenderColor mask_c;	606	XRenderColor mask_c;
804		607
805	mask_c.alpha = 0x8000;	608	mask_c.alpha = 0x8000;
806	mask_c.red = 0;	609	mask_c.red =
807	mask_c.green = 0;	610	mask_c.green =
808	mask_c.blue = 0;	611	mask_c.blue = 0;
809	XRenderFillRectangle (dpy, PictOpSrc, mask, &mask_c, 0, 0, 1, 1);	612	XRenderFillRectangle (dpy, PictOpSrc, mask, &mask_c, 0, 0, 1, 1);
		613
810	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);
811		615
812	XRenderFreePicture (dpy, src);	616	XRenderFreePicture (dpy, src);
813	XRenderFreePicture (dpy, dst);	617	XRenderFreePicture (dpy, dst);
814	XRenderFreePicture (dpy, mask);	618	XRenderFreePicture (dpy, mask);
…		…
821	}	625	}
822		626
823	if (result != pixbuf)	627	if (result != pixbuf)
824	g_object_unref (result);	628	g_object_unref (result);
825		629
826	if (tr_flags)	630	if (need_blend)
827	XFreePixmap (dpy, root_pmap);	631	XFreePixmap (dpy, tmp_pixmap);
828		632
829	return ret;	633	return ret;
830	}	634	}
831	# endif /* HAVE_PIXBUF */	635	# endif /* HAVE_PIXBUF */
832		636
833	bool	637	bool
834	rxvt_term::bg_set_file (const char *file)	638	rxvt_image::set_file (const char *file)
835	{	639	{
836	if (!file || !*file)	640	if (!file || !*file)
837	return false;	641	return false;
838		642
		643	bool ret = false;
839	if (const char *p = strchr (file, ';'))	644	const char *p = strchr (file, ';');
		645
		646	if (p)
840	{	647	{
841	size_t len = p - file;	648	size_t len = p - file;
842	char *f = rxvt_temp_buf<char> (len + 1);	649	char *f = rxvt_temp_buf<char> (len + 1);
843	memcpy (f, file, len);	650	memcpy (f, file, len);
844	f[len] = '\0';	651	f[len] = '\0';
845	file = f;	652	file = f;
846	}	653	}
847		654
848	# ifdef HAVE_AFTERIMAGE
849	if (!asimman)
850	asimman = create_generic_imageman (rs[Rs_path]);
851	ASImage *image = get_asimage (asimman, file, 0xFFFFFFFF, 100);
852	if (image)
853	{
854	if (original_asim)
855	safe_asimage_destroy (original_asim);
856	original_asim = image;
857	bg_flags |= BG_IS_FROM_FILE | BG_CLIENT_RENDER;
858	return true;
859	}
860	# endif
861
862	# ifdef HAVE_PIXBUF	655	# ifdef HAVE_PIXBUF
863	GdkPixbuf *image = gdk_pixbuf_new_from_file (file, NULL);	656	GdkPixbuf *image = gdk_pixbuf_new_from_file (file, NULL);
864	if (image)	657	if (image)
865	{	658	{
866	if (pixbuf)	659	if (pixbuf)
867	g_object_unref (pixbuf);	660	g_object_unref (pixbuf);
868	pixbuf = image;	661	pixbuf = image;
869	bg_flags |= BG_IS_FROM_FILE;
870	return true;	662	ret = true;
871	}	663	}
872	# endif	664	# endif
873		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
874	return false;	676	return ret;
875	}	677	}
876		678
877	# endif /* BG_IMAGE_FROM_FILE */	679	# endif /* BG_IMAGE_FROM_FILE */
878		680
879	# ifdef ENABLE_TRANSPARENCY	681	# ifdef ENABLE_TRANSPARENCY
880	bool
881	rxvt_term::bg_set_transparent ()
882	{
883	if (!(bg_flags & BG_IS_TRANSPARENT))
884	{
885	bg_flags |= BG_IS_TRANSPARENT;
886	return true;
887	}
888
889	return false;
890	}
891
892	bool	682	bool
893	rxvt_term::bg_set_blur (const char *geom)	683	rxvt_term::bg_set_blur (const char *geom)
894	{	684	{
895	bool changed = false;	685	bool changed = false;
896	unsigned int hr, vr;	686	unsigned int hr, vr;
…		…
915	{	705	{
916	changed = true;	706	changed = true;
917	v_blurRadius = vr;	707	v_blurRadius = vr;
918	}	708	}
919		709
920	if (v_blurRadius == 0 && h_blurRadius == 0)
921	bg_flags &= ~BG_NEEDS_BLUR;
922	else
923	bg_flags |= BG_NEEDS_BLUR;
924
925	return changed;	710	return changed;
926	}	711	}
927		712
928	void	713	bool
929	rxvt_term::set_tint_shade_flags ()	714	rxvt_term::bg_set_tint (rxvt_color &new_tint)
930	{	715	{
931	rgba c (rgba::MAX_CC,rgba::MAX_CC,rgba::MAX_CC);	716	if (!(bg_flags & BG_TINT_SET) || tint != new_tint)
932	bool has_shade = shade != 100;	717	{
933		718	tint = new_tint;
934	bg_flags &= ~BG_TINT_FLAGS;	719	bg_flags |= BG_TINT_SET;
935		720
936	if (bg_flags & BG_TINT_SET)	721	rgba c;
937	{
938	tint.get (c);	722	tint.get (c);
939	if (!has_shade
940	&& (c.r <= 0x00ff || c.r >= 0xff00)	723	if ((c.r <= 0x00ff || c.r >= 0xff00)
941	&& (c.g <= 0x00ff || c.g >= 0xff00)	724	&& (c.g <= 0x00ff || c.g >= 0xff00)
942	&& (c.b <= 0x00ff || c.b >= 0xff00))	725	&& (c.b <= 0x00ff || c.b >= 0xff00))
943	bg_flags |= BG_TINT_BITAND;	726	bg_flags |= BG_TINT_BITAND;
944	}	727	else
945
946	if (has_shade || (bg_flags & BG_TINT_SET))
947	bg_flags |= BG_NEEDS_TINT;
948	}
949
950	bool
951	rxvt_term::bg_set_tint (rxvt_color &new_tint)
952	{
953	if (!(bg_flags & BG_TINT_SET) || tint != new_tint)
954	{
955	tint = new_tint;
956	bg_flags |= BG_TINT_SET;	728	bg_flags &= ~BG_TINT_BITAND;
957	set_tint_shade_flags ();	729
958	return true;	730	return true;
959	}	731	}
960		732
961	return false;	733	return false;
962	}	734	}
963		735
964	bool	736	bool
965	rxvt_term::bg_set_shade (const char *shade_str)	737	rxvt_term::bg_set_shade (const char *shade_str)
966	{	738	{
967	int new_shade = (shade_str) ? atoi (shade_str) : 100;	739	int new_shade = atoi (shade_str);
968		740
969	clamp_it (new_shade, -100, 200);	741	clamp_it (new_shade, -100, 200);
970	if (new_shade < 0)	742	if (new_shade < 0)
971	new_shade = 200 - (100 + new_shade);	743	new_shade = 200 - (100 + new_shade);
972		744
973	if (new_shade != shade)	745	if (new_shade != shade)
974	{	746	{
975	shade = new_shade;	747	shade = new_shade;
976	set_tint_shade_flags ();
977	return true;	748	return true;
978	}	749	}
979		750
980	return false;	751	return false;
981	}	752	}
…		…
1002	params[i+2] = XDoubleToFixed (kernel[i] / sum);	773	params[i+2] = XDoubleToFixed (kernel[i] / sum);
1003	}	774	}
1004	#endif	775	#endif
1005		776
1006	bool	777	bool
1007	rxvt_term::blur_pixmap (Pixmap pixmap, Visual *visual, int width, int height)	778	rxvt_term::blur_pixmap (Pixmap pixmap, int width, int height)
1008	{	779	{
1009	bool ret = false;	780	bool ret = false;
1010	#if XRENDER	781	#if XRENDER
		782	if (!(bg_flags & BG_HAS_RENDER_CONV))
		783	return false;
		784
1011	int size = max (h_blurRadius, v_blurRadius) * 2 + 1;	785	int size = max (h_blurRadius, v_blurRadius) * 2 + 1;
1012	double *kernel = (double *)malloc (size * sizeof (double));	786	double *kernel = (double *)malloc (size * sizeof (double));
1013	XFixed *params = (XFixed *)malloc ((size + 2) * sizeof (XFixed));	787	XFixed *params = (XFixed *)malloc ((size + 2) * sizeof (XFixed));
1014		788
1015	XRenderPictureAttributes pa;	789	XRenderPictureAttributes pa;
1016	XRenderPictFormat *format = XRenderFindVisualFormat (dpy, visual);	790	XRenderPictFormat *format = XRenderFindVisualFormat (dpy, visual);
1017		791
		792	pa.repeat = RepeatPad;
1018	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);
1019	Picture dst = XRenderCreatePicture (dpy, pixmap, format, 0, &pa);	795	Picture dst = XRenderCreatePicture (dpy, tmp, format, CPRepeat, &pa);
		796	XFreePixmap (dpy, tmp);
1020		797
1021	if (kernel && params)	798	if (kernel && params)
1022	{	799	{
1023	if (h_blurRadius)
1024	{
1025	size = h_blurRadius * 2 + 1;	800	size = h_blurRadius * 2 + 1;
1026	get_gaussian_kernel (h_blurRadius, size, kernel, params);	801	get_gaussian_kernel (h_blurRadius, size, kernel, params);
1027		802
1028	XRenderSetPictureFilter (dpy, src, FilterConvolution, params, size+2);	803	XRenderSetPictureFilter (dpy, src, FilterConvolution, params, size+2);
1029	XRenderComposite (dpy,	804	XRenderComposite (dpy,
1030	PictOpSrc,	805	PictOpSrc,
1031	src,	806	src,
1032	None,	807	None,
1033	dst,	808	dst,
1034	0, 0,	809	0, 0,
1035	0, 0,	810	0, 0,
1036	0, 0,	811	0, 0,
1037	width, height);	812	width, height);
1038	}
1039		813
1040	if (v_blurRadius)	814	::swap (src, dst);
1041	{	815
1042	size = v_blurRadius * 2 + 1;	816	size = v_blurRadius * 2 + 1;
1043	get_gaussian_kernel (v_blurRadius, size, kernel, params);	817	get_gaussian_kernel (v_blurRadius, size, kernel, params);
1044	::swap (params[0], params[1]);	818	::swap (params[0], params[1]);
1045		819
1046	XRenderSetPictureFilter (dpy, src, FilterConvolution, params, size+2);	820	XRenderSetPictureFilter (dpy, src, FilterConvolution, params, size+2);
1047	XRenderComposite (dpy,	821	XRenderComposite (dpy,
1048	PictOpSrc,	822	PictOpSrc,
1049	src,	823	src,
1050	None,	824	None,
1051	dst,	825	dst,
1052	0, 0,	826	0, 0,
1053	0, 0,	827	0, 0,
1054	0, 0,	828	0, 0,
1055	width, height);	829	width, height);
1056	}
1057		830
1058	ret = true;	831	ret = true;
1059	}	832	}
1060		833
1061	free (kernel);	834	free (kernel);
…		…
1065	#endif	838	#endif
1066	return ret;	839	return ret;
1067	}	840	}
1068		841
1069	bool	842	bool
1070	rxvt_term::tint_pixmap (Pixmap pixmap, Visual *visual, int width, int height)	843	rxvt_term::tint_pixmap (Pixmap pixmap, int width, int height)
1071	{	844	{
1072	bool ret = false;	845	bool ret = false;
1073		846
1074	if (bg_flags & BG_TINT_BITAND)	847	if (shade == 100 && (bg_flags & BG_TINT_BITAND))
1075	{	848	{
1076	XGCValues gcv;	849	XGCValues gcv;
1077	GC gc;	850	GC gc;
1078		851
1079	/* In this case we can tint image server-side getting significant	852	/* In this case we can tint image server-side getting significant
…		…
1088	XFillRectangle (dpy, pixmap, gc, 0, 0, width, height);	861	XFillRectangle (dpy, pixmap, gc, 0, 0, width, height);
1089	ret = true;	862	ret = true;
1090	XFreeGC (dpy, gc);	863	XFreeGC (dpy, gc);
1091	}	864	}
1092	}	865	}
1093	else
1094	{
1095	# if XRENDER	866	# if XRENDER
		867	else if (bg_flags & BG_HAS_RENDER)
		868	{
1096	rgba c (rgba::MAX_CC, rgba::MAX_CC, rgba::MAX_CC);	869	rgba c (rgba::MAX_CC, rgba::MAX_CC, rgba::MAX_CC);
1097		870
1098	if (bg_flags & BG_TINT_SET)	871	if (bg_flags & BG_TINT_SET)
1099	tint.get (c);	872	tint.get (c);
1100		873
…		…
1109	c.r = c.r * (200 - shade) / 100;	882	c.r = c.r * (200 - shade) / 100;
1110	c.g = c.g * (200 - shade) / 100;	883	c.g = c.g * (200 - shade) / 100;
1111	c.b = c.b * (200 - shade) / 100;	884	c.b = c.b * (200 - shade) / 100;
1112	}	885	}
1113		886
1114	XRenderPictFormat *solid_format = XRenderFindStandardFormat (dpy, PictStandardARGB32);
1115	XRenderPictFormat *format = XRenderFindVisualFormat (dpy, visual);	887	XRenderPictFormat *format = XRenderFindVisualFormat (dpy, visual);
1116	XRenderPictureAttributes pa;
1117		888
1118	Picture back_pic = XRenderCreatePicture (dpy, pixmap, format, 0, &pa);	889	Picture back_pic = XRenderCreatePicture (dpy, pixmap, format, 0, 0);
1119		890
1120	pa.repeat = True;	891	Picture overlay_pic = create_xrender_mask (dpy, pixmap, True, False);
1121		892
1122	Pixmap overlay_pmap = XCreatePixmap (dpy, pixmap, 1, 1, 32);	893	Picture mask_pic = create_xrender_mask (dpy, pixmap, True, True);
1123	Picture overlay_pic = XRenderCreatePicture (dpy, overlay_pmap, solid_format, CPRepeat, &pa);
1124	XFreePixmap (dpy, overlay_pmap);
1125
1126	pa.component_alpha = True;
1127	Pixmap mask_pmap = XCreatePixmap (dpy, pixmap, 1, 1, 32);
1128	Picture mask_pic = XRenderCreatePicture (dpy, mask_pmap, solid_format, CPRepeat | CPComponentAlpha, &pa);
1129	XFreePixmap (dpy, mask_pmap);
1130		894
1131	XRenderColor mask_c;	895	XRenderColor mask_c;
1132		896
1133	mask_c.alpha = 0xffff;	897	mask_c.alpha = 0xffff;
1134	mask_c.red =	898	mask_c.red =
…		…
1139	mask_c.alpha = 0;	903	mask_c.alpha = 0;
1140	mask_c.red = 0xffff - c.r;	904	mask_c.red = 0xffff - c.r;
1141	mask_c.green = 0xffff - c.g;	905	mask_c.green = 0xffff - c.g;
1142	mask_c.blue = 0xffff - c.b;	906	mask_c.blue = 0xffff - c.b;
1143	XRenderFillRectangle (dpy, PictOpSrc, mask_pic, &mask_c, 0, 0, 1, 1);	907	XRenderFillRectangle (dpy, PictOpSrc, mask_pic, &mask_c, 0, 0, 1, 1);
		908
1144	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);
1145		910
1146	if (shade > 100)	911	if (shade > 100)
1147	{	912	{
1148	mask_c.red = mask_c.green = mask_c.blue = 0xffff * (shade - 100) / 100;
1149	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;
1150	XRenderFillRectangle (dpy, PictOpSrc, overlay_pic, &mask_c, 0, 0, 1, 1);	917	XRenderFillRectangle (dpy, PictOpSrc, overlay_pic, &mask_c, 0, 0, 1, 1);
1151		918
1152	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);
1153	}	920	}
1154		921
1155	ret = true;	922	ret = true;
1156		923
1157	XRenderFreePicture (dpy, mask_pic);	924	XRenderFreePicture (dpy, mask_pic);
1158	XRenderFreePicture (dpy, overlay_pic);	925	XRenderFreePicture (dpy, overlay_pic);
1159	XRenderFreePicture (dpy, back_pic);	926	XRenderFreePicture (dpy, back_pic);
		927	}
1160	# endif	928	# endif
1161	}
1162		929
1163	return ret;	930	return ret;
1164	}	931	}
1165		932
1166	/*	933	/*
1167	* 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
1168	* 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
1169	* our window.	936	* our window.
1170	*/	937	*/
1171	unsigned long	938	bool
1172	rxvt_term::make_transparency_pixmap ()	939	rxvt_term::make_transparency_pixmap ()
1173	{	940	{
1174	unsigned long result = 0;	941	bool ret = false;
1175		942
1176	/* 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
1177	* be always up-to-date, so let's use it :	944	* be always up-to-date, so let's use it :
1178	*/	945	*/
1179	int screen = display->screen;	946	int screen = display->screen;
…		…
1217	#if XRENDER	984	#if XRENDER
1218	if (bg_flags & BG_HAS_RENDER)	985	if (bg_flags & BG_HAS_RENDER)
1219	{	986	{
1220	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);
1221		988
1222	XRenderPictureAttributes pa;
1223
1224	XRenderPictFormat *src_format = XRenderFindVisualFormat (dpy, DefaultVisual (dpy, screen));	989	XRenderPictFormat *src_format = XRenderFindVisualFormat (dpy, DefaultVisual (dpy, screen));
1225	Picture src = XRenderCreatePicture (dpy, root_pixmap, src_format, 0, &pa);	990	Picture src = XRenderCreatePicture (dpy, root_pixmap, src_format, 0, 0);
1226		991
1227	XRenderPictFormat *dst_format = XRenderFindVisualFormat (dpy, visual);	992	XRenderPictFormat *dst_format = XRenderFindVisualFormat (dpy, visual);
1228	Picture dst = XRenderCreatePicture (dpy, recoded_root_pmap, dst_format, 0, &pa);	993	Picture dst = XRenderCreatePicture (dpy, recoded_root_pmap, dst_format, 0, 0);
1229		994
1230	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);
1231		996
1232	XRenderFreePicture (dpy, src);	997	XRenderFreePicture (dpy, src);
1233	XRenderFreePicture (dpy, dst);	998	XRenderFreePicture (dpy, dst);
…		…
1250	bg_pmap_width = window_width;	1015	bg_pmap_width = window_width;
1251	bg_pmap_height = window_height;	1016	bg_pmap_height = window_height;
1252	}	1017	}
1253		1018
1254	/* straightforward pixmap copy */	1019	/* straightforward pixmap copy */
1255	while (sx < 0) sx += root_width;	1020	while (sx < 0) sx += root_pmap_width;
1256	while (sy < 0) sy += root_height;	1021	while (sy < 0) sy += root_pmap_height;
1257		1022
1258	gcv.tile = recoded_root_pmap;	1023	gcv.tile = recoded_root_pmap;
1259	gcv.fill_style = FillTiled;	1024	gcv.fill_style = FillTiled;
1260	gcv.ts_x_origin = -sx;	1025	gcv.ts_x_origin = -sx;
1261	gcv.ts_y_origin = -sy;	1026	gcv.ts_y_origin = -sy;
1262	gc = XCreateGC (dpy, vt, GCFillStyle | GCTile | GCTileStipXOrigin | GCTileStipYOrigin, &gcv);	1027	gc = XCreateGC (dpy, vt, GCFillStyle | GCTile | GCTileStipXOrigin | GCTileStipYOrigin, &gcv);
1263		1028
1264	if (gc)	1029	if (gc)
1265	{	1030	{
1266	XFillRectangle (dpy, bg_pixmap, gc, 0, 0, window_width, window_height);	1031	XFillRectangle (dpy, bg_pixmap, gc, 0, 0, window_width, window_height);
1267	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
1268	XFreeGC (dpy, gc);	1062	XFreeGC (dpy, gc);
1269
1270	if (!(bg_flags & BG_CLIENT_RENDER))
1271	{
1272	if ((bg_flags & BG_NEEDS_BLUR)
1273	&& (bg_flags & BG_HAS_RENDER_CONV))
1274	{
1275	if (blur_pixmap (bg_pixmap, visual, window_width, window_height))
1276	result &= ~BG_NEEDS_BLUR;
1277	}
1278	if ((bg_flags & BG_NEEDS_TINT)
1279	&& (bg_flags & (BG_TINT_BITAND | BG_HAS_RENDER)))
1280	{
1281	if (tint_pixmap (bg_pixmap, visual, window_width, window_height))
1282	result &= ~BG_NEEDS_TINT;
1283	}
1284	} /* server side rendering completed */
1285	}	1063	}
1286		1064
1287	if (recoded_root_pmap != root_pixmap)	1065	if (recoded_root_pmap != root_pixmap)
1288	XFreePixmap (dpy, recoded_root_pmap);	1066	XFreePixmap (dpy, recoded_root_pmap);
1289		1067
1290	return result;	1068	return ret;
1291	}	1069	}
1292		1070
1293	void	1071	void
1294	rxvt_term::bg_set_root_pixmap ()	1072	rxvt_term::bg_set_root_pixmap ()
1295	{	1073	{
…		…
1299		1077
1300	root_pixmap = new_root_pixmap;	1078	root_pixmap = new_root_pixmap;
1301	}	1079	}
1302	# endif /* ENABLE_TRANSPARENCY */	1080	# endif /* ENABLE_TRANSPARENCY */
1303		1081
1304	#if defined(ENABLE_TRANSPARENCY) && !defined(HAVE_AFTERIMAGE)
1305	static void shade_ximage (Visual *visual, XImage *ximage, int shade, const rgba &c);
1306	# endif
1307
1308	bool	1082	bool
1309	rxvt_term::bg_render ()	1083	rxvt_term::bg_render ()
1310	{	1084	{
1311	unsigned long tr_flags = 0;
1312
1313	bg_invalidate ();	1085	bg_invalidate ();
1314	# ifdef ENABLE_TRANSPARENCY	1086	# ifdef ENABLE_TRANSPARENCY
1315	if (bg_flags & BG_IS_TRANSPARENT)	1087	if (bg_flags & BG_IS_TRANSPARENT)
1316	{	1088	{
1317	/* we need to re-generate transparency pixmap in that case ! */	1089	/* we need to re-generate transparency pixmap in that case ! */
1318	tr_flags = make_transparency_pixmap ();	1090	if (make_transparency_pixmap ())
1319	if (tr_flags == 0)
1320	return false;
1321	else if (!(tr_flags & BG_EFFECTS_FLAGS))
1322	bg_flags |= BG_IS_VALID;	1091	bg_flags |= BG_IS_VALID;
1323	}	1092	}
1324	# endif	1093	# endif
1325		1094
1326	# ifdef BG_IMAGE_FROM_FILE	1095	# ifdef BG_IMAGE_FROM_FILE
1327	if ((bg_flags & BG_IS_FROM_FILE)	1096	if (bg_image.flags & IM_IS_SET)
1328	|| (tr_flags & BG_EFFECTS_FLAGS))
1329	{	1097	{
1330	if (render_image (tr_flags))	1098	if (render_image (bg_image))
1331	bg_flags |= BG_IS_VALID;	1099	bg_flags |= BG_IS_VALID;
1332	}
1333	# endif
1334
1335	# if defined(ENABLE_TRANSPARENCY) && !defined(HAVE_AFTERIMAGE)
1336	XImage *result = NULL;
1337
1338	if (tr_flags && !(bg_flags & BG_IS_VALID))
1339	{
1340	result = XGetImage (dpy, bg_pixmap, 0, 0, bg_pmap_width, bg_pmap_height, AllPlanes, ZPixmap);
1341	}
1342
1343	if (result)
1344	{
1345	/* our own client-side tinting */
1346	if (tr_flags & BG_NEEDS_TINT)
1347	{
1348	rgba c (rgba::MAX_CC,rgba::MAX_CC,rgba::MAX_CC);
1349	if (bg_flags & BG_TINT_SET)
1350	tint.get (c);
1351	shade_ximage (DefaultVisual (dpy, display->screen), result, shade, c);
1352	}
1353
1354	GC gc = XCreateGC (dpy, vt, 0UL, NULL);
1355
1356	if (gc)
1357	{
1358	XPutImage (dpy, bg_pixmap, gc, result, 0, 0, 0, 0, result->width, result->height);
1359
1360	XFreeGC (dpy, gc);
1361	bg_flags |= BG_IS_VALID;
1362	}
1363
1364	XDestroyImage (result);
1365	}	1100	}
1366	# endif	1101	# endif
1367		1102
1368	if (!(bg_flags & BG_IS_VALID))	1103	if (!(bg_flags & BG_IS_VALID))
1369	{	1104	{
…		…
1406	#endif	1141	#endif
1407	}	1142	}
1408		1143
1409	#endif /* HAVE_BG_PIXMAP */	1144	#endif /* HAVE_BG_PIXMAP */
1410		1145
1411	#if defined(ENABLE_TRANSPARENCY) && !defined(HAVE_AFTERIMAGE)	1146	#ifdef ENABLE_TRANSPARENCY
1412	/* taken from aterm-0.4.2 */	1147	/* based on code from aterm-0.4.2 */
1413		1148
1414	static void	1149	static inline void
1415	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)
1416	{	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;
1417	int sh_r, sh_g, sh_b;	1165	int sh_r, sh_g, sh_b;
1418	uint32_t mask_r, mask_g, mask_b;	1166	uint32_t mask_r, mask_g, mask_b;
1419	uint32_t *lookup, *lookup_r, *lookup_g, *lookup_b;	1167	uint32_t *lookup, *lookup_r, *lookup_g, *lookup_b;
1420	rgba low;	1168	unsigned short low;
1421	rgba high;
1422	int i;
1423	int host_byte_order = ecb_big_endian () ? MSBFirst : LSBFirst;	1169	int host_byte_order = ecb_big_endian () ? MSBFirst : LSBFirst;
1424		1170
1425	if (visual->c_class != TrueColor || ximage->format != ZPixmap) return;	1171	if (visual->c_class != TrueColor || ximage->format != ZPixmap) return;
1426		1172
1427	/* for convenience */	1173	/* for convenience */
1428	mask_r = visual->red_mask;	1174	mask_r = visual->red_mask;
1429	mask_g = visual->green_mask;	1175	mask_g = visual->green_mask;
1430	mask_b = visual->blue_mask;	1176	mask_b = visual->blue_mask;
1431		1177
1432	/* boring lookup table pre-initialization */	1178	/* boring lookup table pre-initialization */
1433	switch (ximage->depth)	1179	sh_r = ecb_ctz32 (mask_r);
1434	{	1180	sh_g = ecb_ctz32 (mask_g);
1435	case 15:	1181	sh_b = ecb_ctz32 (mask_b);
1436	if ((mask_r != 0x7c00) ||	1182
1437	(mask_g != 0x03e0) ||	1183	size_r = mask_r >> sh_r;
1438	(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)
1439	return;	1188	return;
1440	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));
1441	lookup_r = lookup;	1191	lookup_r = lookup;
1442	lookup_g = lookup+32;	1192	lookup_g = lookup + size_r;
1443	lookup_b = lookup+32+32;	1193	lookup_b = lookup + size_r + size_g;
1444	sh_r = 10;	1194
1445	sh_g = 5;	1195	rgba c (rgba::MAX_CC, rgba::MAX_CC, rgba::MAX_CC);
1446	sh_b = 0;	1196
1447	break;	1197	if (bg_flags & BG_TINT_SET)
1448	case 16:	1198	tint.get (c);
1449	if ((mask_r != 0xf800) ||
1450	(mask_g != 0x07e0) ||
1451	(mask_b != 0x001f))
1452	return;
1453	lookup = (uint32_t *) malloc (sizeof (uint32_t)*(32+64+32));
1454	lookup_r = lookup;
1455	lookup_g = lookup+32;
1456	lookup_b = lookup+32+64;
1457	sh_r = 11;
1458	sh_g = 5;
1459	sh_b = 0;
1460	break;
1461	case 24:
1462	if ((mask_r != 0xff0000) ||
1463	(mask_g != 0x00ff00) ||
1464	(mask_b != 0x0000ff))
1465	return;
1466	lookup = (uint32_t *) malloc (sizeof (uint32_t)*(256+256+256));
1467	lookup_r = lookup;
1468	lookup_g = lookup+256;
1469	lookup_b = lookup+256+256;
1470	sh_r = 16;
1471	sh_g = 8;
1472	sh_b = 0;
1473	break;
1474	case 32:
1475	if ((mask_r != 0xff0000) ||
1476	(mask_g != 0x00ff00) ||
1477	(mask_b != 0x0000ff))
1478	return;
1479	lookup = (uint32_t *) malloc (sizeof (uint32_t)*(256+256+256));
1480	lookup_r = lookup;
1481	lookup_g = lookup+256;
1482	lookup_b = lookup+256+256;
1483	sh_r = 16;
1484	sh_g = 8;
1485	sh_b = 0;
1486	break;
1487	default:
1488	return; /* we do not support this color depth */
1489	}
1490		1199
1491	/* prepare limits for color transformation (each channel is handled separately) */	1200	/* prepare limits for color transformation (each channel is handled separately) */
1492	if (shade > 100)	1201	if (shade > 100)
1493	{	1202	{
1494	shade = 200 - shade;
1495
1496	high.r = c.r * shade / 100;
1497	high.g = c.g * shade / 100;
1498	high.b = c.b * shade / 100;
1499
1500	low.r = 65535 * (100 - shade) / 100;	1203	c.r = c.r * (200 - shade) / 100;
1501	low.g = 65535 * (100 - shade) / 100;	1204	c.g = c.g * (200 - shade) / 100;
1502	low.b = 65535 * (100 - shade) / 100;	1205	c.b = c.b * (200 - shade) / 100;
		1206
		1207	low = 0xffff * (shade - 100) / 100;
1503	}	1208	}
1504	else	1209	else
1505	{	1210	{
1506	high.r = c.r * shade / 100;	1211	c.r = c.r * shade / 100;
1507	high.g = c.g * shade / 100;	1212	c.g = c.g * shade / 100;
1508	high.b = c.b * shade / 100;	1213	c.b = c.b * shade / 100;
1509		1214
1510	low.r = low.g = low.b = 0;	1215	low = 0;
1511	}	1216	}
1512		1217
1513	/* fill our lookup tables */	1218	/* fill our lookup tables */
1514	for (i = 0; i <= mask_r>>sh_r; i++)	1219	fill_lut (lookup_r, mask_r, sh_r, low, c.r);
1515	{	1220	fill_lut (lookup_g, mask_g, sh_g, low, c.g);
1516	uint32_t tmp;	1221	fill_lut (lookup_b, mask_b, sh_b, low, c.b);
1517	tmp = i * high.r;
1518	tmp += (mask_r>>sh_r) * low.r;
1519	lookup_r[i] = (tmp/65535)<<sh_r;
1520	}
1521	for (i = 0; i <= mask_g>>sh_g; i++)
1522	{
1523	uint32_t tmp;
1524	tmp = i * high.g;
1525	tmp += (mask_g>>sh_g) * low.g;
1526	lookup_g[i] = (tmp/65535)<<sh_g;
1527	}
1528	for (i = 0; i <= mask_b>>sh_b; i++)
1529	{
1530	uint32_t tmp;
1531	tmp = i * high.b;
1532	tmp += (mask_b>>sh_b) * low.b;
1533	lookup_b[i] = (tmp/65535)<<sh_b;
1534	}
1535		1222
1536	/* apply table to input image (replacing colors by newly calculated ones) */	1223	/* apply table to input image (replacing colors by newly calculated ones) */
1537	if (ximage->bits_per_pixel == 32	1224	if (ximage->bits_per_pixel == 32
1538	&& (ximage->depth == 24 || ximage->depth == 32)
1539	&& ximage->byte_order == host_byte_order)	1225	&& ximage->byte_order == host_byte_order)
1540	{	1226	{
1541	uint32_t *p1, *pf, *p, *pl;	1227	char *line = ximage->data;
1542	p1 = (uint32_t *) ximage->data;
1543	pf = (uint32_t *) (ximage->data + ximage->height * ximage->bytes_per_line);
1544		1228
1545	while (p1 < pf)	1229	for (int y = 0; y < ximage->height; y++)
1546	{
1547	p = p1;
1548	pl = p1 + ximage->width;
1549	for (; p < pl; p++)
1550	{	1230	{
1551	*p = lookup_r[(*p & 0xff0000) >> 16] |	1231	uint32_t *p = (uint32_t *)line;
1552	lookup_g[(*p & 0x00ff00) >> 8] |	1232	for (int x = 0; x < ximage->width; x++)
1553	lookup_b[(*p & 0x0000ff)] |
1554	(*p & 0xff000000);
1555	}	1233	{
1556	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;
1557	}	1240	}
1558	}	1241	}
1559	else	1242	else
1560	{	1243	{
1561	for (int y = 0; y < ximage->height; y++)	1244	for (int y = 0; y < ximage->height; y++)
…		…
1569	}	1252	}
1570	}	1253	}
1571		1254
1572	free (lookup);	1255	free (lookup);
1573	}	1256	}
1574	#endif /* defined(ENABLE_TRANSPARENCY) && !defined(HAVE_AFTERIMAGE) */	1257	#endif /* ENABLE_TRANSPARENCY */

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