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Comparing rxvt-unicode/src/background.C (file contents):
Revision 1.149 by sf-exg, Sat Apr 30 13:11:34 2011 UTC vs.
Revision 1.217 by sf-exg, Sun May 20 16:34:42 2012 UTC

…		…
3	*----------------------------------------------------------------------*	3	*----------------------------------------------------------------------*
4	*	4	*
5	* All portions of code are copyright by their respective author/s.	5	* All portions of code are copyright by their respective author/s.
6	* Copyright (c) 2005-2008 Marc Lehmann <schmorp@schmorp.de>	6	* Copyright (c) 2005-2008 Marc Lehmann <schmorp@schmorp.de>
7	* Copyright (c) 2007 Sasha Vasko <sasha@aftercode.net>	7	* Copyright (c) 2007 Sasha Vasko <sasha@aftercode.net>
8	* Copyright (c) 2010 Emanuele Giaquinta <e.giaquinta@glauco.it>	8	* Copyright (c) 2010-2012 Emanuele Giaquinta <e.giaquinta@glauco.it>
9	*	9	*
10	* This program is free software; you can redistribute it and/or modify	10	* This program is free software; you can redistribute it and/or modify
11	* it under the terms of the GNU General Public License as published by	11	* it under the terms of the GNU General Public License as published by
12	* the Free Software Foundation; either version 2 of the License, or	12	* the Free Software Foundation; either version 2 of the License, or
13	* (at your option) any later version.	13	* (at your option) any later version.
…		…
20	* You should have received a copy of the GNU General Public License	20	* You should have received a copy of the GNU General Public License
21	* along with this program; if not, write to the Free Software	21	* along with this program; if not, write to the Free Software
22	* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.	22	* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
23	*---------------------------------------------------------------------*/	23	*---------------------------------------------------------------------*/
24		24
25	#include <cmath>	25	#include <math.h>
26	#include "../config.h" /* NECESSARY */	26	#include "../config.h" /* NECESSARY */
27	#include "rxvt.h" /* NECESSARY */	27	#include "rxvt.h" /* NECESSARY */
28		28
29	#if XRENDER	29	#if XRENDER
30	# include <X11/extensions/Xrender.h>	30	# include <X11/extensions/Xrender.h>
…		…
32		32
33	#ifndef FilterConvolution	33	#ifndef FilterConvolution
34	#define FilterConvolution "convolution"	34	#define FilterConvolution "convolution"
35	#endif	35	#endif
36		36
37	/*	37	#ifndef RepeatPad
38	* Pixmap geometry string interpretation :	38	#define RepeatPad True
39	* Each geometry string contains zero or one scale/position	39	#endif
40	* adjustment and may optionally be followed by a colon and one or more
41	* colon-delimited pixmap operations.
42	* The following table shows the valid geometry strings and their
43	* effects on the background image :
44	*
45	* WxH+X+Y Set scaling to W% by H%, and position to X% by Y%.
46	* W and H are percentages of the terminal window size.
47	* X and Y are also percentages; e.g., +50+50 centers
48	* the image in the window.
49	*
50	* Pixmap Operations : (should be prepended by a colon)
51	* tile Tile image. Scaling/position modifiers above will affect
52	* the tile size and origin.
53	* propscale When scaling, scale proportionally. That is, maintain the
54	* proper aspect ratio for the image. Any portion of the
55	* background not covered by the image is filled with the
56	* current background color.
57	* hscale Scale horizontally, tile vertically ?
58	* vscale Tile horizontally, scale vertically ?
59	* scale Scale both up and down
60	* auto Same as 100x100+50+50
61	*/
62		40
63	#ifdef HAVE_BG_PIXMAP	41	#ifdef HAVE_BG_PIXMAP
		42	# if XRENDER
		43	static Picture
		44	create_xrender_mask (Display *dpy, Drawable drawable, Bool argb, Bool component_alpha)
		45	{
		46	Pixmap pixmap = XCreatePixmap (dpy, drawable, 1, 1, argb ? 32 : 8);
		47
		48	XRenderPictFormat *format = XRenderFindStandardFormat (dpy, argb ? PictStandardARGB32 : PictStandardA8);
		49	XRenderPictureAttributes pa;
		50	pa.repeat = True;
		51	pa.component_alpha = component_alpha;
		52	Picture mask = XRenderCreatePicture (dpy, pixmap, format, CPRepeat | CPComponentAlpha, &pa);
		53
		54	XFreePixmap (dpy, pixmap);
		55
		56	return mask;
		57	}
		58	# endif
		59
64	void	60	void
65	rxvt_term::bg_destroy ()	61	rxvt_term::bg_destroy ()
66	{	62	{
67	#ifdef HAVE_AFTERIMAGE
68	if (original_asim)
69	safe_asimage_destroy (original_asim);
70	if (asv)
71	destroy_asvisual (asv, 0);
72	if (asimman)
73	destroy_image_manager (asimman, 0);
74	#endif
75
76	#ifdef HAVE_PIXBUF
77	if (pixbuf)
78	g_object_unref (pixbuf);
79	#endif
80
81	if (bg_pixmap)	63	if (bg_pixmap)
82	XFreePixmap (dpy, bg_pixmap);	64	XFreePixmap (dpy, bg_pixmap);
83	}	65	}
84		66
85	bool	67	bool
…		…
103	if (bg_flags & BG_IS_TRANSPARENT)	85	if (bg_flags & BG_IS_TRANSPARENT)
104	return true;	86	return true;
105	# endif	87	# endif
106		88
107	# ifdef BG_IMAGE_FROM_FILE	89	# ifdef BG_IMAGE_FROM_FILE
108	if (bg_flags & BG_IS_FROM_FILE)	90	if (bg_image.flags & IM_IS_SET)
109	{	91	{
110	if (bg_flags & BG_IS_SIZE_SENSITIVE)	92	if ((bg_image.flags & IM_IS_SIZE_SENSITIVE)
		93	|| bg_image.width () > szHint.width
		94	|| bg_image.height () > szHint.height)
111	return true;	95	return true;
112	}	96	}
113	# endif	97	# endif
114		98
115	return false;	99	return false;
…		…
122	if (bg_flags & BG_IS_TRANSPARENT)	106	if (bg_flags & BG_IS_TRANSPARENT)
123	return true;	107	return true;
124	# endif	108	# endif
125		109
126	# ifdef BG_IMAGE_FROM_FILE	110	# ifdef BG_IMAGE_FROM_FILE
127	if (bg_flags & BG_IS_FROM_FILE)	111	if (bg_image.flags & IM_IS_SET)
128	{	112	{
129	if (bg_flags & BG_ROOT_ALIGN)	113	if (bg_image.flags & IM_ROOT_ALIGN)
130	return true;	114	return true;
131	}	115	}
132	# endif	116	# endif
133		117
134	return false;	118	return false;
135	}	119	}
136		120
137	# ifdef BG_IMAGE_FROM_FILE	121	# ifdef BG_IMAGE_FROM_FILE
138	static inline bool
139	check_set_scale_value (int geom_flags, int flag, unsigned int &scale, unsigned int new_value)
140	{
141	if (geom_flags & flag)
142	{
143	if (new_value > 1000)
144	new_value = 1000;
145	if (new_value != scale)
146	{
147	scale = new_value;
148	return true;
149	}
150	}
151	return false;
152	}
153
154	static inline bool
155	check_set_align_value (int geom_flags, int flag, int &align, int new_value)
156	{
157	if (geom_flags & flag)
158	{
159	if (new_value < -100)
160	new_value = -100;
161	else if (new_value > 200)
162	new_value = 200;
163	if (new_value != align)
164	{
165	align = new_value;
166	return true;
167	}
168	}
169	return false;
170	}
171
172	static inline int	122	static inline int
173	make_align_position (int align, int window_size, int image_size)	123	make_align_position (int align, int window_size, int image_size)
174	{	124	{
175	int diff = window_size - image_size;
176	int smaller = min (image_size, window_size);
177
178	if (align >= 0 && align <= 100)	125	if (align >= 0 && align <= 100)
179	return diff * align / 100;	126	return lerp (0, window_size - image_size, align);
180	else if (align > 100 && align <= 200)	127	else if (align > 100)
181	return ((align - 100) * smaller / 100) + window_size - smaller;	128	return lerp (window_size - image_size, window_size, align - 100);
182	else if (align >= -100 && align < 0)	129	else
183	return ((align + 100) * smaller / 100) - image_size;	130	return lerp (-image_size, 0, align + 100);
184	return 0;
185	}	131	}
186		132
187	static inline int	133	static inline int
188	make_clip_rectangle (int pos, int size, int target_size, int &dst_pos, int &dst_size)	134	make_clip_rectangle (int pos, int size, int target_size, int &dst_pos, int &dst_size)
189	{	135	{
…		…
195	src_pos = -pos;	141	src_pos = -pos;
196	dst_pos = 0;	142	dst_pos = 0;
197	dst_size += pos;	143	dst_size += pos;
198	}	144	}
199		145
200	if (dst_pos + dst_size > target_size)
201	dst_size = target_size - dst_pos;	146	min_it (dst_size, target_size - dst_pos);
202	return src_pos;	147	return src_pos;
203	}	148	}
204		149
205	bool	150	bool
206	rxvt_term::bg_set_geometry (const char *geom, bool update)	151	rxvt_image::set_geometry (const char *geom, bool update)
207	{	152	{
208	bool changed = false;	153	bool changed = false;
209	int geom_flags = 0;	154	int geom_flags = 0;
210	int x = 0, y = 0;	155	int x = h_align;
		156	int y = v_align;
211	unsigned int w = 0, h = 0;	157	unsigned int w = h_scale;
212	unsigned int n;	158	unsigned int h = v_scale;
213	unsigned long new_flags = (bg_flags & (~BG_GEOMETRY_FLAGS));	159	unsigned long new_flags = 0;
214	const char *ops;
215		160
216	if (geom == NULL)	161	if (geom == NULL)
217	return false;	162	return false;
218		163
219	char str[256];	164	if (geom[0])
220
221	ops = strchr (geom, ':');
222	if (ops == NULL)
223	n = strlen (geom);
224	else
225	n = ops - geom;
226
227	if (n >= sizeof (str))
228	return false;
229
230	memcpy (str, geom, n);
231	str[n] = '\0';
232	rxvt_strtrim (str);
233
234	if (str[0])
235	{	165	{
236	/* we have geometry string - let's handle it prior to applying ops */	166	char **arr = rxvt_strsplit (':', geom);
		167
		168	for (int i = 0; arr[i]; i++)
		169	{
		170	if (!strcasecmp (arr[i], "style=tiled"))
		171	{
		172	new_flags = IM_TILE;
		173	w = h = noScale;
		174	x = y = 0;
		175	geom_flags = WidthValue|HeightValue|XValue|YValue;
		176	}
		177	else if (!strcasecmp (arr[i], "style=aspect-stretched"))
		178	{
		179	new_flags = IM_KEEP_ASPECT;
		180	w = h = windowScale;
		181	x = y = centerAlign;
		182	geom_flags = WidthValue|HeightValue|XValue|YValue;
		183	}
		184	else if (!strcasecmp (arr[i], "style=stretched"))
		185	{
		186	new_flags = 0;
		187	w = h = windowScale;
		188	geom_flags = WidthValue|HeightValue;
		189	}
		190	else if (!strcasecmp (arr[i], "style=centered"))
		191	{
		192	new_flags = 0;
		193	w = h = noScale;
		194	x = y = centerAlign;
		195	geom_flags = WidthValue|HeightValue|XValue|YValue;
		196	}
		197	else if (!strcasecmp (arr[i], "style=root-tiled"))
		198	{
		199	new_flags = IM_TILE|IM_ROOT_ALIGN;
		200	w = h = noScale;
		201	geom_flags = WidthValue|HeightValue;
		202	}
		203	else if (!strcasecmp (arr[i], "op=tile"))
		204	new_flags |= IM_TILE;
		205	else if (!strcasecmp (arr[i], "op=keep-aspect"))
		206	new_flags |= IM_KEEP_ASPECT;
		207	else if (!strcasecmp (arr[i], "op=root-align"))
		208	new_flags |= IM_ROOT_ALIGN;
		209
		210	// deprecated
		211	else if (!strcasecmp (arr[i], "tile"))
		212	{
		213	new_flags |= IM_TILE;
		214	w = h = noScale;
		215	geom_flags |= WidthValue|HeightValue;
		216	}
		217	else if (!strcasecmp (arr[i], "propscale"))
		218	{
		219	new_flags |= IM_KEEP_ASPECT;
		220	w = h = windowScale;
		221	geom_flags |= WidthValue|HeightValue;
		222	}
		223	else if (!strcasecmp (arr[i], "hscale"))
		224	{
		225	new_flags |= IM_TILE;
		226	w = windowScale;
		227	h = noScale;
		228	geom_flags |= WidthValue|HeightValue;
		229	}
		230	else if (!strcasecmp (arr[i], "vscale"))
		231	{
		232	new_flags |= IM_TILE;
		233	h = windowScale;
		234	w = noScale;
		235	geom_flags |= WidthValue|HeightValue;
		236	}
		237	else if (!strcasecmp (arr[i], "scale"))
		238	{
		239	w = h = windowScale;
		240	geom_flags |= WidthValue|HeightValue;
		241	}
		242	else if (!strcasecmp (arr[i], "auto"))
		243	{
		244	w = h = windowScale;
		245	x = y = centerAlign;
		246	geom_flags |= WidthValue|HeightValue|XValue|YValue;
		247	}
		248	else if (!strcasecmp (arr[i], "root"))
		249	{
		250	new_flags |= IM_TILE|IM_ROOT_ALIGN;
		251	w = h = noScale;
		252	geom_flags |= WidthValue|HeightValue;
		253	}
		254
		255	else
237	geom_flags = XParseGeometry (str, &x, &y, &w, &h);	256	geom_flags |= XParseGeometry (arr[i], &x, &y, &w, &h);
238	} /* done parsing geometry string */	257	} /* done parsing ops */
		258
		259	rxvt_free_strsplit (arr);
		260	}
		261
		262	new_flags |= flags & ~IM_GEOMETRY_FLAGS;
239		263
240	if (!update)	264	if (!update)
241	{	265	{
242	if (!(geom_flags & XValue))	266	if (!(geom_flags & XValue))
243	x = y = defaultAlign;	267	x = y = defaultAlign;
…		…
248	w = h = defaultScale;	272	w = h = defaultScale;
249	else if (!(geom_flags & HeightValue))	273	else if (!(geom_flags & HeightValue))
250	h = w;	274	h = w;
251	else if (!(geom_flags & WidthValue))	275	else if (!(geom_flags & WidthValue))
252	w = h;	276	w = h;
253
254	geom_flags |= WidthValue|HeightValue|XValue|YValue;
255	}
256
257	if (ops)
258	{	277	}
259	char **arr = rxvt_strsplit (':', ops + 1);
260		278
261	for (int i = 0; arr[i]; i++)	279	clamp_it (x, -100, 200);
262	{	280	clamp_it (y, -100, 200);
263	if (!strcasecmp (arr[i], "tile"))
264	{
265	w = h = noScale;
266	geom_flags |= WidthValue|HeightValue;
267	}
268	else if (!strcasecmp (arr[i], "propscale"))
269	{
270	new_flags |= BG_PROP_SCALE;
271	}
272	else if (!strcasecmp (arr[i], "hscale"))
273	{
274	if (w == 0) w = windowScale;
275		281
276	h = noScale;	282	if (flags != new_flags
277	geom_flags |= WidthValue|HeightValue;	283	|| h_scale != w
278	}	284	|| v_scale != h
279	else if (!strcasecmp (arr[i], "vscale"))	285	|| h_align != x
280	{	286	|| v_align != y)
281	if (h == 0) h = windowScale;
282
283	w = noScale;
284	geom_flags |= WidthValue|HeightValue;
285	}
286	else if (!strcasecmp (arr[i], "scale"))
287	{
288	if (h == 0) h = windowScale;
289	if (w == 0) w = windowScale;
290
291	geom_flags |= WidthValue|HeightValue;
292	}
293	else if (!strcasecmp (arr[i], "auto"))
294	{
295	w = h = windowScale;
296	x = y = centerAlign;
297	geom_flags |= WidthValue|HeightValue|XValue|YValue;
298	}
299	else if (!strcasecmp (arr[i], "root"))
300	{
301	new_flags |= BG_ROOT_ALIGN;
302	w = h = noScale;
303	geom_flags |= WidthValue|HeightValue;
304	}
305	} /* done parsing ops */
306
307	rxvt_free_strsplit (arr);
308	}	287	{
309
310	if (check_set_scale_value (geom_flags, WidthValue, h_scale, w)) changed = true;
311	if (check_set_scale_value (geom_flags, HeightValue, v_scale, h)) changed = true;
312	if (check_set_align_value (geom_flags, XValue, h_align, x)) changed = true;
313	if (check_set_align_value (geom_flags, YValue, v_align, y)) changed = true;
314
315	if (new_flags != bg_flags)
316	{
317	bg_flags = new_flags;	288	flags = new_flags;
		289	h_scale = w;
		290	v_scale = h;
		291	h_align = x;
		292	v_align = y;
318	changed = true;	293	changed = true;
319	}	294	}
320		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
321	return changed;	303	return changed;
322	}	304	}
323		305
324	void	306	void
325	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)
326	{	308	{
		309	int image_width = image.width ();
		310	int image_height = image.height ();
327	int target_width = szHint.width;	311	int target_width = szHint.width;
328	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);
329		315
330	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)
331	{	320	{
332	float scale = (float)target_width / image_width;	321	float scale = (float)w / image_width;
333	min_it (scale, (float)target_height / image_height);	322	min_it (scale, (float)h / image_height);
334	w = image_width * scale + 0.5;	323	w = image_width * scale + 0.5;
335	h = image_height * scale + 0.5;	324	h = image_height * scale + 0.5;
336	}	325	}
337	else
338	{
339	w = h_scale * target_width / 100;
340	h = v_scale * target_height / 100;
341	}
342		326
343	if (!w) w = image_width;	327	if (!w) w = image_width;
344	if (!h) h = image_height;	328	if (!h) h = image_height;
345		329
346	if (bg_flags & BG_ROOT_ALIGN)	330	if (image.flags & IM_ROOT_ALIGN)
347	{	331	{
348	x = -target_x;	332	x = -target_x;
349	y = -target_y;	333	y = -target_y;
350	}	334	}
351	else	335	else
352	{	336	{
353	x = make_align_position (h_align, target_width, w);	337	x = make_align_position (image.h_align, target_width, w);
354	y = make_align_position (v_align, target_height, h);	338	y = make_align_position (image.v_align, target_height, h);
355	}
356
357	bg_flags &= ~BG_IS_SIZE_SENSITIVE;
358	if ((bg_flags & BG_PROP_SCALE) || h_scale || v_scale
359	|| (!(bg_flags & BG_ROOT_ALIGN) && (h_align || v_align))
360	|| w > target_width || h > target_height)
361	bg_flags |= BG_IS_SIZE_SENSITIVE;
362	}
363
364	# ifdef HAVE_AFTERIMAGE
365	bool
366	rxvt_term::render_image (unsigned long tr_flags)
367	{
368	init_asv ();
369
370	ASImage *background = NULL;
371	ARGB32 background_tint = TINT_LEAVE_SAME;
372
373	# ifdef ENABLE_TRANSPARENCY
374	if (tr_flags)
375	background = pixmap2ximage (asv, bg_pixmap, 0, 0, bg_pmap_width, bg_pmap_height, AllPlanes, 100);
376
377	if (tr_flags & BG_NEEDS_TINT)
378	{	339	}
379	ShadingInfo as_shade;	340	}
380	as_shade.shading = shade;
381		341
382	rgba c (rgba::MAX_CC,rgba::MAX_CC,rgba::MAX_CC);	342	# ifdef HAVE_PIXBUF
383	if (bg_flags & BG_TINT_SET)	343	bool
384	tint.get (c);	344	rxvt_term::pixbuf_to_pixmap (GdkPixbuf *pixbuf, Pixmap pixmap, GC gc,
385	as_shade.tintColor.red = c.r;	345	int src_x, int src_y, int dst_x, int dst_y,
386	as_shade.tintColor.green = c.g;	346	unsigned int width, unsigned int height)
387	as_shade.tintColor.blue = c.b;	347	{
		348	XImage *ximage;
		349	char *line;
		350	int width_r, width_g, width_b, width_a;
		351	int sh_r, sh_g, sh_b, sh_a;
		352	uint32_t alpha_mask;
		353	int rowstride;
		354	int channels;
		355	unsigned char *row;
388		356
389	background_tint = shading2tint32 (&as_shade);	357	if (visual->c_class != TrueColor)
		358	return false;
		359
		360	#if XRENDER
		361	XRenderPictFormat *format = XRenderFindVisualFormat (dpy, visual);
		362	if (format)
		363	alpha_mask = (uint32_t)format->direct.alphaMask << format->direct.alpha;
		364	else
		365	#endif
		366	alpha_mask = 0;
		367
		368	width_r = ecb_popcount32 (visual->red_mask);
		369	width_g = ecb_popcount32 (visual->green_mask);
		370	width_b = ecb_popcount32 (visual->blue_mask);
		371	width_a = ecb_popcount32 (alpha_mask);
		372
		373	if (width_r > 8 || width_g > 8 || width_b > 8 || width_a > 8)
		374	return false;
		375
		376	sh_r = ecb_ctz32 (visual->red_mask);
		377	sh_g = ecb_ctz32 (visual->green_mask);
		378	sh_b = ecb_ctz32 (visual->blue_mask);
		379	sh_a = ecb_ctz32 (alpha_mask);
		380
		381	if (width > 32767 || height > 32767)
		382	return false;
		383
		384	ximage = XCreateImage (dpy, visual, depth, ZPixmap, 0, 0,
		385	width, height, 32, 0);
		386	if (!ximage)
		387	return false;
		388
		389	if (height > INT_MAX / ximage->bytes_per_line
		390	|| !(ximage->data = (char *)malloc (height * ximage->bytes_per_line)))
390	}	391	{
391		392	XDestroyImage (ximage);
392	if ((tr_flags & BG_NEEDS_BLUR) && background != NULL)	393	return false;
393	{	394	}
394	ASImage *tmp = blur_asimage_gauss (asv, background, h_blurRadius, v_blurRadius, 0xFFFFFFFF,	395
395	(original_asim == NULL || tint == TINT_LEAVE_SAME) ? ASA_XImage : ASA_ASImage,	396	ximage->byte_order = ecb_big_endian () ? MSBFirst : LSBFirst;
396	100, ASIMAGE_QUALITY_DEFAULT);	397
397	if (tmp)	398	rowstride = gdk_pixbuf_get_rowstride (pixbuf);
		399	channels = gdk_pixbuf_get_n_channels (pixbuf);
		400	row = gdk_pixbuf_get_pixels (pixbuf) + src_y * rowstride + src_x * channels;
		401	line = ximage->data;
		402
		403	rgba c (0, 0, 0);
		404
		405	if (channels == 4 && alpha_mask == 0)
		406	{
		407	pix_colors[Color_bg].get (c);
		408	c.r >>= 8;
		409	c.g >>= 8;
		410	c.b >>= 8;
		411	}
		412
		413	for (int y = 0; y < height; y++)
		414	{
		415	for (int x = 0; x < width; x++)
		416	{
		417	unsigned char *pixel = row + x * channels;
		418	uint32_t value;
		419	unsigned char r, g, b, a;
		420
		421	if (channels == 4)
398	{	422	{
399	destroy_asimage (&background);	423	a = pixel[3];
400	background = tmp;	424	r = (pixel[0] * a + c.r * (0xff - a)) / 0xff;
		425	g = (pixel[1] * a + c.g * (0xff - a)) / 0xff;
		426	b = (pixel[2] * a + c.b * (0xff - a)) / 0xff;
		427	}
		428	else
		429	{
		430	a = 0xff;
		431	r = pixel[0];
		432	g = pixel[1];
		433	b = pixel[2];
		434	}
		435
		436	value = ((r >> (8 - width_r)) << sh_r)
		437	| ((g >> (8 - width_g)) << sh_g)
		438	| ((b >> (8 - width_b)) << sh_b)
		439	| ((a >> (8 - width_a)) << sh_a);
		440
		441	if (ximage->bits_per_pixel == 32)
		442	((uint32_t *)line)[x] = value;
		443	else
		444	XPutPixel (ximage, x, y, value);
401	}	445	}
402	}
403	# endif
404		446
405	ASImage *result = 0;	447	row += rowstride;
		448	line += ximage->bytes_per_line;
		449	}
		450
		451	XPutImage (dpy, pixmap, gc, ximage, 0, 0, dst_x, dst_y, width, height);
		452	XDestroyImage (ximage);
		453	return true;
		454	}
		455
		456	bool
		457	rxvt_term::render_image (rxvt_image &image)
		458	{
		459	GdkPixbuf *pixbuf = image.pixbuf;
		460	if (!pixbuf)
		461	return false;
		462
		463	bool need_blend = bg_flags & BG_IS_VALID;
		464
		465	if (need_blend
		466	&& !(bg_flags & BG_HAS_RENDER))
		467	return false;
		468
		469	GdkPixbuf *result;
		470
		471	int image_width = gdk_pixbuf_get_width (pixbuf);
		472	int image_height = gdk_pixbuf_get_height (pixbuf);
406		473
407	int target_width = szHint.width;	474	int target_width = szHint.width;
408	int target_height = szHint.height;	475	int target_height = szHint.height;
409	int new_pmap_width = target_width;	476	int new_pmap_width = target_width;
410	int new_pmap_height = target_height;	477	int new_pmap_height = target_height;
…		…
412	int x = 0;	479	int x = 0;
413	int y = 0;	480	int y = 0;
414	int w = 0;	481	int w = 0;
415	int h = 0;	482	int h = 0;
416		483
417	if (original_asim)	484	get_image_geometry (image, w, h, x, y);
418	get_image_geometry (original_asim->width, original_asim->height, w, h, x, y);
419		485
420	if (!original_asim
421	|| (!(bg_flags & BG_ROOT_ALIGN)
422	&& (x >= target_width
423	|| y >= target_height
424	|| (x + w <= 0)
425	|| (y + h <= 0))))
426	{
427	if (background)
428	{
429	new_pmap_width = background->width;
430	new_pmap_height = background->height;
431	result = background;
432
433	if (background_tint != TINT_LEAVE_SAME)
434	{
435	ASImage *tmp = tile_asimage (asv, background, 0, 0,
436	target_width, target_height, background_tint,
437	ASA_XImage, 100, ASIMAGE_QUALITY_DEFAULT);
438	if (tmp)
439	result = tmp;
440	}
441	}
442	else
443	new_pmap_width = new_pmap_height = 0;
444	}
445	else
446	{
447	result = original_asim;
448
449	if ((w != original_asim->width)
450	|| (h != original_asim->height))
451	{
452	result = scale_asimage (asv, original_asim,
453	w, h,
454	background ? ASA_ASImage : ASA_XImage,
455	100, ASIMAGE_QUALITY_DEFAULT);
456	}
457
458	if (background == NULL)
459	{
460	if (h_scale == 0 || v_scale == 0)
461	{
462	/* if tiling - pixmap has to be sized exactly as the image,
463	but there is no need to make it bigger than the window! */
464	new_pmap_width = min (result->width, target_width);
465	new_pmap_height = min (result->height, target_height);
466
467	/* we also need to tile our image in both directions */
468	ASImage *tmp = tile_asimage (asv, result,
469	(int)result->width - x,
470	(int)result->height - y,
471	new_pmap_width,
472	new_pmap_height,
473	TINT_LEAVE_SAME, ASA_XImage,
474	100, ASIMAGE_QUALITY_DEFAULT);
475	if (tmp)
476	{
477	if (result != original_asim)
478	destroy_asimage (&result);
479
480	result = tmp;
481	}
482	}
483	}
484	else
485	{
486	/* if blending background and image - pixmap has to be sized same as target window */
487	ASImageLayer *layers = create_image_layers (2);
488
489	layers[0].im = background;
490	layers[0].clip_width = target_width;
491	layers[0].clip_height = target_height;
492	layers[0].tint = background_tint;
493	layers[1].im = result;
494
495	if (h_scale == 0 || v_scale == 0)
496	{
497	/* tile horizontally */
498	while (x > 0) x -= (int)result->width;
499	layers[1].dst_x = x;
500	layers[1].clip_width = result->width+target_width;
501	}
502	else
503	{
504	/* clip horizontally */
505	layers[1].dst_x = x;
506	layers[1].clip_width = result->width;
507	}
508
509	if (h_scale == 0 || v_scale == 0)
510	{
511	while (y > 0) y -= (int)result->height;
512	layers[1].dst_y = y;
513	layers[1].clip_height = result->height + target_height;
514	}
515	else
516	{
517	layers[1].dst_y = y;
518	layers[1].clip_height = result->height;
519	}
520
521	if (rs[Rs_blendtype])
522	{
523	layers[1].merge_scanlines = blend_scanlines_name2func (rs[Rs_blendtype]);
524	if (layers[1].merge_scanlines == NULL)
525	layers[1].merge_scanlines = alphablend_scanlines;
526	}
527
528	ASImage *tmp = merge_layers (asv, layers, 2, target_width, target_height,
529	ASA_XImage, 0, ASIMAGE_QUALITY_DEFAULT);
530
531	if (tmp)
532	{
533	if (result != original_asim)
534	destroy_asimage (&result);
535
536	result = tmp;
537	}
538
539	free (layers);
540	}
541	}
542
543	bool ret = false;
544
545	if (result)
546	{
547	XGCValues gcv;
548	GC gc;
549
550	/* create Pixmap */
551	if (bg_pixmap == None
552	|| bg_pmap_width != new_pmap_width
553	|| bg_pmap_height != new_pmap_height)
554	{
555	if (bg_pixmap)
556	XFreePixmap (dpy, bg_pixmap);
557	bg_pixmap = XCreatePixmap (dpy, vt, new_pmap_width, new_pmap_height, depth);
558	bg_pmap_width = new_pmap_width;
559	bg_pmap_height = new_pmap_height;
560	}
561	/* fill with background color (if result's not completely overlapping it) */
562	gcv.foreground = pix_colors[Color_bg];
563	gc = XCreateGC (dpy, vt, GCForeground, &gcv);
564
565	int src_x = 0, src_y = 0, dst_x = 0, dst_y = 0;
566	int dst_width = result->width, dst_height = result->height;
567	if (background == NULL)
568	{
569	if (!(h_scale == 0 || v_scale == 0))
570	{
571	src_x = make_clip_rectangle (x, result->width , new_pmap_width , dst_x, dst_width );
572	src_y = make_clip_rectangle (y, result->height, new_pmap_height, dst_y, dst_height);
573	}
574
575	if (dst_x > 0 || dst_y > 0
576	|| dst_x + dst_width < new_pmap_width
577	|| dst_y + dst_height < new_pmap_height)
578	XFillRectangle (dpy, bg_pixmap, gc, 0, 0, new_pmap_width, new_pmap_height);
579	}
580
581	/* put result on pixmap */
582	if (dst_x < new_pmap_width && dst_y < new_pmap_height)
583	asimage2drawable (asv, bg_pixmap, result, gc, src_x, src_y, dst_x, dst_y, dst_width, dst_height, True);
584
585	if (result != background && result != original_asim)
586	destroy_asimage (&result);
587
588	XFreeGC (dpy, gc);
589
590	ret = true;
591	}
592
593	if (background)
594	destroy_asimage (&background);
595
596	return ret;
597	}
598	# endif /* HAVE_AFTERIMAGE */
599
600	# ifdef HAVE_PIXBUF
601	bool
602	rxvt_term::pixbuf_to_pixmap (GdkPixbuf *pixbuf, Pixmap pixmap, GC gc,
603	int src_x, int src_y, int dst_x, int dst_y,
604	unsigned int width, unsigned int height)
605	{
606	XImage *ximage;
607	char *data, *line;
608	int bytes_per_pixel;
609	int width_r, width_g, width_b;
610	int sh_r, sh_g, sh_b;
611	int rowstride;
612	int channels;
613	unsigned char *row;
614
615	if (visual->c_class != TrueColor)
616	return false;
617
618	if (depth == 24 || depth == 32)
619	bytes_per_pixel = 4;
620	else if (depth == 15 || depth == 16)
621	bytes_per_pixel = 2;
622	else
623	return false;
624
625	width_r = rxvt_popcount (visual->red_mask);
626	width_g = rxvt_popcount (visual->green_mask);
627	width_b = rxvt_popcount (visual->blue_mask);
628
629	if (width_r > 8 || width_g > 8 || width_b > 8)
630	return false;
631
632	sh_r = rxvt_ctz (visual->red_mask);
633	sh_g = rxvt_ctz (visual->green_mask);
634	sh_b = rxvt_ctz (visual->blue_mask);
635
636	if (width > INT_MAX / height / bytes_per_pixel)
637	return false;
638
639	data = (char *)malloc (width * height * bytes_per_pixel);
640	if (!data)
641	return false;
642
643	ximage = XCreateImage (dpy, visual, depth, ZPixmap, 0, data,
644	width, height, bytes_per_pixel * 8, 0);
645	if (!ximage)
646	{
647	free (data);
648	return false;
649	}
650
651	ximage->byte_order = byteorder::big_endian () ? MSBFirst : LSBFirst;
652
653	rowstride = gdk_pixbuf_get_rowstride (pixbuf);
654	channels = gdk_pixbuf_get_n_channels (pixbuf);
655	row = gdk_pixbuf_get_pixels (pixbuf) + src_y * rowstride + src_x * channels;
656	line = data;
657
658	for (int y = 0; y < height; y++)
659	{
660	for (int x = 0; x < width; x++)
661	{
662	unsigned char *pixel = row + x * channels;
663	uint32_t value;
664
665	value = ((pixel[0] >> (8 - width_r)) << sh_r)
666	| ((pixel[1] >> (8 - width_g)) << sh_g)
667	| ((pixel[2] >> (8 - width_b)) << sh_b);
668
669	if (bytes_per_pixel == 4)
670	((uint32_t *)line)[x] = value;
671	else
672	((uint16_t *)line)[x] = value;
673	}
674
675	row += rowstride;
676	line += ximage->bytes_per_line;
677	}
678
679	XPutImage (dpy, pixmap, gc, ximage, 0, 0, dst_x, dst_y, width, height);
680	XDestroyImage (ximage);
681	return true;
682	}
683
684	bool
685	rxvt_term::render_image (unsigned long tr_flags)
686	{
687	if (!pixbuf)
688	return false;
689
690	if (tr_flags
691	&& !(bg_flags & BG_HAS_RENDER))
692	return false;
693
694	GdkPixbuf *result;
695
696	int image_width = gdk_pixbuf_get_width (pixbuf);
697	int image_height = gdk_pixbuf_get_height (pixbuf);
698
699	int target_width = szHint.width;
700	int target_height = szHint.height;
701	int new_pmap_width = target_width;
702	int new_pmap_height = target_height;
703
704	int x = 0;
705	int y = 0;
706	int w = 0;
707	int h = 0;
708
709	get_image_geometry (image_width, image_height, w, h, x, y);
710
711	if (!(bg_flags & BG_ROOT_ALIGN)	486	if (!(image.flags & IM_ROOT_ALIGN)
712	&& (x >= target_width	487	&& (x >= target_width
713	|| y >= target_height	488	|| y >= target_height
714	|| (x + w <= 0)	489	|| x + w <= 0
715	|| (y + h <= 0)))	490	|| y + h <= 0))
716	return false;	491	return false;
717		492
718	result = pixbuf;	493	result = pixbuf;
719		494
720	if ((w != image_width)	495	if (w != image_width
721	|| (h != image_height))	496	|| h != image_height)
722	{	497	{
723	result = gdk_pixbuf_scale_simple (pixbuf,	498	result = gdk_pixbuf_scale_simple (pixbuf,
724	w, h,	499	w, h,
725	GDK_INTERP_BILINEAR);	500	GDK_INTERP_BILINEAR);
726	}	501	}
727		502
		503	if (!result)
		504	return false;
		505
728	bool ret = false;	506	bool ret = false;
729		507
730	if (result)
731	{
732	XGCValues gcv;	508	XGCValues gcv;
733	GC gc;	509	GC gc;
734	Pixmap root_pmap;	510	Pixmap tmp_pixmap;
735		511
736	image_width = gdk_pixbuf_get_width (result);	512	image_width = gdk_pixbuf_get_width (result);
737	image_height = gdk_pixbuf_get_height (result);	513	image_height = gdk_pixbuf_get_height (result);
738		514
739	if (tr_flags)	515	if (need_blend)
740	{	516	{
741	root_pmap = bg_pixmap;	517	tmp_pixmap = bg_pixmap;
742	bg_pixmap = None;	518	bg_pixmap = None;
		519	}
		520	else
		521	{
		522	if (image.flags & IM_TILE)
		523	{
		524	new_pmap_width = min (image_width, target_width);
		525	new_pmap_height = min (image_height, target_height);
743	}	526	}
744	else	527	}
745	{
746	if (h_scale == 0 || v_scale == 0)
747	{
748	new_pmap_width = min (image_width, target_width);
749	new_pmap_height = min (image_height, target_height);
750	}
751	}
752		528
753	if (bg_pixmap == None	529	if (bg_pixmap == None
754	|| bg_pmap_width != new_pmap_width	530	|| bg_pmap_width != new_pmap_width
755	|| bg_pmap_height != new_pmap_height)	531	|| bg_pmap_height != new_pmap_height)
756	{	532	{
757	if (bg_pixmap)	533	if (bg_pixmap)
758	XFreePixmap (dpy, bg_pixmap);	534	XFreePixmap (dpy, bg_pixmap);
759	bg_pixmap = XCreatePixmap (dpy, vt, new_pmap_width, new_pmap_height, depth);	535	bg_pixmap = XCreatePixmap (dpy, vt, new_pmap_width, new_pmap_height, depth);
760	bg_pmap_width = new_pmap_width;	536	bg_pmap_width = new_pmap_width;
761	bg_pmap_height = new_pmap_height;	537	bg_pmap_height = new_pmap_height;
762	}	538	}
763		539
764	gcv.foreground = pix_colors[Color_bg];	540	gcv.foreground = pix_colors[Color_bg];
765	gc = XCreateGC (dpy, vt, GCForeground, &gcv);	541	gc = XCreateGC (dpy, vt, GCForeground, &gcv);
766		542
767	if (h_scale == 0 || v_scale == 0)	543	if (gc)
		544	{
		545	if (image.flags & IM_TILE)
768	{	546	{
769	Pixmap tile = XCreatePixmap (dpy, vt, image_width, image_height, depth);	547	Pixmap tile = XCreatePixmap (dpy, vt, image_width, image_height, depth);
770	pixbuf_to_pixmap (result, tile, gc,	548	pixbuf_to_pixmap (result, tile, gc,
771	0, 0,	549	0, 0,
772	0, 0,	550	0, 0,
…		…
800	dst_x, dst_y,	578	dst_x, dst_y,
801	dst_width, dst_height);	579	dst_width, dst_height);
802	}	580	}
803		581
804	#if XRENDER	582	#if XRENDER
805	if (tr_flags)	583	if (need_blend)
806	{	584	{
807	XRenderPictureAttributes pa;
808
809	XRenderPictFormat *src_format = XRenderFindVisualFormat (dpy, visual);	585	XRenderPictFormat *format = XRenderFindVisualFormat (dpy, visual);
		586
810	Picture src = XRenderCreatePicture (dpy, root_pmap, src_format, 0, &pa);	587	Picture src = XRenderCreatePicture (dpy, tmp_pixmap, format, 0, 0);
811		588
812	XRenderPictFormat *dst_format = XRenderFindVisualFormat (dpy, visual);
813	Picture dst = XRenderCreatePicture (dpy, bg_pixmap, dst_format, 0, &pa);	589	Picture dst = XRenderCreatePicture (dpy, bg_pixmap, format, 0, 0);
814		590
815	pa.repeat = True;	591	Picture mask = create_xrender_mask (dpy, vt, False, False);
816	Pixmap mask_pmap = XCreatePixmap (dpy, vt, 1, 1, 8);
817	XRenderPictFormat *mask_format = XRenderFindStandardFormat (dpy, PictStandardA8);
818	Picture mask = XRenderCreatePicture (dpy, mask_pmap, mask_format, CPRepeat, &pa);
819	XFreePixmap (dpy, mask_pmap);
820		592
821	if (src && dst && mask)
822	{
823	XRenderColor mask_c;	593	XRenderColor mask_c;
824		594
825	mask_c.alpha = 0x8000;	595	mask_c.alpha = 0x8000;
826	mask_c.red = 0;	596	mask_c.red =
827	mask_c.green = 0;	597	mask_c.green =
828	mask_c.blue = 0;	598	mask_c.blue = 0;
829	XRenderFillRectangle (dpy, PictOpSrc, mask, &mask_c, 0, 0, 1, 1);	599	XRenderFillRectangle (dpy, PictOpSrc, mask, &mask_c, 0, 0, 1, 1);
		600
830	XRenderComposite (dpy, PictOpOver, src, mask, dst, 0, 0, 0, 0, 0, 0, target_width, target_height);	601	XRenderComposite (dpy, PictOpOver, src, mask, dst, 0, 0, 0, 0, 0, 0, target_width, target_height);
831	}
832		602
833	XRenderFreePicture (dpy, src);	603	XRenderFreePicture (dpy, src);
834	XRenderFreePicture (dpy, dst);	604	XRenderFreePicture (dpy, dst);
835	XRenderFreePicture (dpy, mask);	605	XRenderFreePicture (dpy, mask);
836
837	XFreePixmap (dpy, root_pmap);
838	}	606	}
839	#endif	607	#endif
840		608
841	if (result != pixbuf)
842	g_object_unref (result);
843
844	XFreeGC (dpy, gc);	609	XFreeGC (dpy, gc);
845		610
846	ret = true;	611	ret = true;
847	}	612	}
848		613
		614	if (result != pixbuf)
		615	g_object_unref (result);
		616
		617	if (need_blend)
		618	XFreePixmap (dpy, tmp_pixmap);
		619
849	return ret;	620	return ret;
850	}	621	}
851	# endif /* HAVE_PIXBUF */	622	# endif /* HAVE_PIXBUF */
852		623
853	bool	624	bool
854	rxvt_term::bg_set_file (const char *file)	625	rxvt_image::set_file (const char *file)
855	{	626	{
856	if (!file || !*file)	627	if (!file || !*file)
857	return false;	628	return false;
858		629
		630	bool ret = false;
859	if (const char *p = strchr (file, ';'))	631	const char *p = strchr (file, ';');
		632
		633	if (p)
860	{	634	{
861	size_t len = p - file;	635	size_t len = p - file;
862	char *f = rxvt_temp_buf<char> (len + 1);	636	char *f = rxvt_temp_buf<char> (len + 1);
863	memcpy (f, file, len);	637	memcpy (f, file, len);
864	f[len] = '\0';	638	f[len] = '\0';
865	file = f;	639	file = f;
866	}	640	}
867		641
868	# ifdef HAVE_AFTERIMAGE
869	if (!asimman)
870	asimman = create_generic_imageman (rs[Rs_path]);
871	ASImage *image = get_asimage (asimman, file, 0xFFFFFFFF, 100);
872	if (image)
873	{
874	if (original_asim)
875	safe_asimage_destroy (original_asim);
876	original_asim = image;
877	bg_flags |= BG_IS_FROM_FILE | BG_CLIENT_RENDER;
878	return true;
879	}
880	# endif
881
882	# ifdef HAVE_PIXBUF	642	# ifdef HAVE_PIXBUF
883	GdkPixbuf *image = gdk_pixbuf_new_from_file (file, NULL);	643	GdkPixbuf *image = gdk_pixbuf_new_from_file (file, NULL);
884	if (image)	644	if (image)
885	{	645	{
886	if (pixbuf)	646	if (pixbuf)
887	g_object_unref (pixbuf);	647	g_object_unref (pixbuf);
888	pixbuf = image;	648	pixbuf = image;
889	bg_flags |= BG_IS_FROM_FILE;
890	return true;	649	ret = true;
891	}	650	}
892	# endif	651	# endif
893		652
		653	if (ret)
		654	{
		655	flags = IM_IS_SET | IM_IS_SIZE_SENSITIVE;
		656	h_scale = v_scale = defaultScale;
		657	h_align = v_align = defaultAlign;
		658
		659	if (p)
		660	set_geometry (p + 1);
		661	}
		662
894	return false;	663	return ret;
895	}	664	}
896		665
897	# endif /* BG_IMAGE_FROM_FILE */	666	# endif /* BG_IMAGE_FROM_FILE */
898		667
899	# ifdef ENABLE_TRANSPARENCY	668	# ifdef ENABLE_TRANSPARENCY
900	bool
901	rxvt_term::bg_set_transparent ()
902	{
903	if (!(bg_flags & BG_IS_TRANSPARENT))
904	{
905	bg_flags |= BG_IS_TRANSPARENT;
906	return true;
907	}
908
909	return false;
910	}
911
912	bool	669	bool
913	rxvt_term::bg_set_blur (const char *geom)	670	rxvt_term::bg_set_blur (const char *geom)
914	{	671	{
915	bool changed = false;	672	bool changed = false;
916	unsigned int hr, vr;	673	unsigned int hr, vr;
…		…
935	{	692	{
936	changed = true;	693	changed = true;
937	v_blurRadius = vr;	694	v_blurRadius = vr;
938	}	695	}
939		696
940	if (v_blurRadius == 0 && h_blurRadius == 0)
941	bg_flags &= ~BG_NEEDS_BLUR;
942	else
943	bg_flags |= BG_NEEDS_BLUR;
944
945	return changed;	697	return changed;
946	}	698	}
947		699
948	void	700	bool
949	rxvt_term::set_tint_shade_flags ()	701	rxvt_term::bg_set_tint (rxvt_color &new_tint)
950	{	702	{
951	rgba c (rgba::MAX_CC,rgba::MAX_CC,rgba::MAX_CC);	703	if (!(bg_flags & BG_TINT_SET) || tint != new_tint)
952	bool has_shade = shade != 100;	704	{
953		705	tint = new_tint;
954	bg_flags &= ~BG_TINT_FLAGS;	706	bg_flags |= BG_TINT_SET;
955		707
956	if (bg_flags & BG_TINT_SET)	708	rgba c;
957	{
958	tint.get (c);	709	tint.get (c);
959	if (!has_shade
960	&& (c.r <= 0x00ff || c.r >= 0xff00)	710	if ((c.r <= 0x00ff || c.r >= 0xff00)
961	&& (c.g <= 0x00ff || c.g >= 0xff00)	711	&& (c.g <= 0x00ff || c.g >= 0xff00)
962	&& (c.b <= 0x00ff || c.b >= 0xff00))	712	&& (c.b <= 0x00ff || c.b >= 0xff00))
963	bg_flags |= BG_TINT_BITAND;	713	bg_flags |= BG_TINT_BITAND;
964	}	714	else
965
966	if (has_shade || (bg_flags & BG_TINT_SET))
967	bg_flags |= BG_NEEDS_TINT;
968	}
969
970	bool
971	rxvt_term::bg_set_tint (rxvt_color &new_tint)
972	{
973	if (!(bg_flags & BG_TINT_SET) || tint != new_tint)
974	{
975	tint = new_tint;
976	bg_flags |= BG_TINT_SET;	715	bg_flags &= ~BG_TINT_BITAND;
977	set_tint_shade_flags ();	716
978	return true;	717	return true;
979	}	718	}
980		719
981	return false;	720	return false;
982	}	721	}
983		722
984	bool	723	bool
985	rxvt_term::bg_set_shade (const char *shade_str)	724	rxvt_term::bg_set_shade (const char *shade_str)
986	{	725	{
987	int new_shade = (shade_str) ? atoi (shade_str) : 100;	726	int new_shade = atoi (shade_str);
988		727
989	clamp_it (new_shade, -100, 200);	728	clamp_it (new_shade, -100, 200);
990	if (new_shade < 0)	729	if (new_shade < 0)
991	new_shade = 200 - (100 + new_shade);	730	new_shade = 200 - (100 + new_shade);
992		731
993	if (new_shade != shade)	732	if (new_shade != shade)
994	{	733	{
995	shade = new_shade;	734	shade = new_shade;
996	set_tint_shade_flags ();
997	return true;	735	return true;
998	}	736	}
999		737
1000	return false;	738	return false;
1001	}	739	}
…		…
1022	params[i+2] = XDoubleToFixed (kernel[i] / sum);	760	params[i+2] = XDoubleToFixed (kernel[i] / sum);
1023	}	761	}
1024	#endif	762	#endif
1025		763
1026	bool	764	bool
1027	rxvt_term::blur_pixmap (Pixmap pixmap, Visual *visual, int width, int height)	765	rxvt_term::blur_pixmap (Pixmap pixmap, int width, int height)
1028	{	766	{
1029	bool ret = false;	767	bool ret = false;
1030	#if XRENDER	768	#if XRENDER
		769	if (!(bg_flags & BG_HAS_RENDER_CONV))
		770	return false;
		771
1031	int size = max (h_blurRadius, v_blurRadius) * 2 + 1;	772	int size = max (h_blurRadius, v_blurRadius) * 2 + 1;
1032	double *kernel = (double *)malloc (size * sizeof (double));	773	double *kernel = (double *)malloc (size * sizeof (double));
1033	XFixed *params = (XFixed *)malloc ((size + 2) * sizeof (XFixed));	774	XFixed *params = (XFixed *)malloc ((size + 2) * sizeof (XFixed));
1034		775
1035	XRenderPictureAttributes pa;	776	XRenderPictureAttributes pa;
1036	XRenderPictFormat *format = XRenderFindVisualFormat (dpy, visual);	777	XRenderPictFormat *format = XRenderFindVisualFormat (dpy, visual);
1037		778
		779	pa.repeat = RepeatPad;
1038	Picture src = XRenderCreatePicture (dpy, pixmap, format, 0, &pa);	780	Picture src = XRenderCreatePicture (dpy, pixmap, format, CPRepeat, &pa);
		781	Pixmap tmp = XCreatePixmap (dpy, pixmap, width, height, depth);
1039	Picture dst = XRenderCreatePicture (dpy, pixmap, format, 0, &pa);	782	Picture dst = XRenderCreatePicture (dpy, tmp, format, CPRepeat, &pa);
		783	XFreePixmap (dpy, tmp);
1040		784
1041	if (kernel && params && src && dst)	785	if (kernel && params)
1042	{	786	{
1043	if (h_blurRadius)
1044	{
1045	size = h_blurRadius * 2 + 1;	787	size = h_blurRadius * 2 + 1;
1046	get_gaussian_kernel (h_blurRadius, size, kernel, params);	788	get_gaussian_kernel (h_blurRadius, size, kernel, params);
1047		789
1048	XRenderSetPictureFilter (dpy, src, FilterConvolution, params, size+2);	790	XRenderSetPictureFilter (dpy, src, FilterConvolution, params, size+2);
1049	XRenderComposite (dpy,	791	XRenderComposite (dpy,
1050	PictOpSrc,	792	PictOpSrc,
1051	src,	793	src,
1052	None,	794	None,
1053	dst,	795	dst,
1054	0, 0,	796	0, 0,
1055	0, 0,	797	0, 0,
1056	0, 0,	798	0, 0,
1057	width, height);	799	width, height);
1058	}
1059		800
1060	if (v_blurRadius)	801	::swap (src, dst);
1061	{	802
1062	size = v_blurRadius * 2 + 1;	803	size = v_blurRadius * 2 + 1;
1063	get_gaussian_kernel (v_blurRadius, size, kernel, params);	804	get_gaussian_kernel (v_blurRadius, size, kernel, params);
1064	::swap (params[0], params[1]);	805	::swap (params[0], params[1]);
1065		806
1066	XRenderSetPictureFilter (dpy, src, FilterConvolution, params, size+2);	807	XRenderSetPictureFilter (dpy, src, FilterConvolution, params, size+2);
1067	XRenderComposite (dpy,	808	XRenderComposite (dpy,
1068	PictOpSrc,	809	PictOpSrc,
1069	src,	810	src,
1070	None,	811	None,
1071	dst,	812	dst,
1072	0, 0,	813	0, 0,
1073	0, 0,	814	0, 0,
1074	0, 0,	815	0, 0,
1075	width, height);	816	width, height);
1076	}
1077		817
1078	ret = true;	818	ret = true;
1079	}	819	}
1080		820
1081	free (kernel);	821	free (kernel);
…		…
1085	#endif	825	#endif
1086	return ret;	826	return ret;
1087	}	827	}
1088		828
1089	bool	829	bool
1090	rxvt_term::tint_pixmap (Pixmap pixmap, Visual *visual, int width, int height)	830	rxvt_term::tint_pixmap (Pixmap pixmap, int width, int height)
1091	{	831	{
1092	bool ret = false;	832	bool ret = false;
1093		833
1094	if (bg_flags & BG_TINT_BITAND)	834	if (shade == 100 && (bg_flags & BG_TINT_BITAND))
1095	{	835	{
1096	XGCValues gcv;	836	XGCValues gcv;
1097	GC gc;	837	GC gc;
1098		838
1099	/* In this case we can tint image server-side getting significant	839	/* In this case we can tint image server-side getting significant
…		…
1108	XFillRectangle (dpy, pixmap, gc, 0, 0, width, height);	848	XFillRectangle (dpy, pixmap, gc, 0, 0, width, height);
1109	ret = true;	849	ret = true;
1110	XFreeGC (dpy, gc);	850	XFreeGC (dpy, gc);
1111	}	851	}
1112	}	852	}
1113	else
1114	{
1115	# if XRENDER	853	# if XRENDER
		854	else if (bg_flags & BG_HAS_RENDER)
		855	{
1116	rgba c (rgba::MAX_CC, rgba::MAX_CC, rgba::MAX_CC);	856	rgba c (rgba::MAX_CC, rgba::MAX_CC, rgba::MAX_CC);
1117		857
1118	if (bg_flags & BG_TINT_SET)	858	if (bg_flags & BG_TINT_SET)
1119	tint.get (c);	859	tint.get (c);
1120		860
…		…
1129	c.r = c.r * (200 - shade) / 100;	869	c.r = c.r * (200 - shade) / 100;
1130	c.g = c.g * (200 - shade) / 100;	870	c.g = c.g * (200 - shade) / 100;
1131	c.b = c.b * (200 - shade) / 100;	871	c.b = c.b * (200 - shade) / 100;
1132	}	872	}
1133		873
1134	XRenderPictFormat *solid_format = XRenderFindStandardFormat (dpy, PictStandardARGB32);
1135	XRenderPictFormat *format = XRenderFindVisualFormat (dpy, visual);	874	XRenderPictFormat *format = XRenderFindVisualFormat (dpy, visual);
1136	XRenderPictureAttributes pa;
1137		875
1138	Picture back_pic = XRenderCreatePicture (dpy, pixmap, format, 0, &pa);	876	Picture back_pic = XRenderCreatePicture (dpy, pixmap, format, 0, 0);
1139		877
1140	pa.repeat = True;	878	Picture overlay_pic = create_xrender_mask (dpy, pixmap, True, False);
1141		879
1142	Pixmap overlay_pmap = XCreatePixmap (dpy, pixmap, 1, 1, 32);	880	Picture mask_pic = create_xrender_mask (dpy, pixmap, True, True);
1143	Picture overlay_pic = XRenderCreatePicture (dpy, overlay_pmap, solid_format, CPRepeat, &pa);
1144	XFreePixmap (dpy, overlay_pmap);
1145		881
1146	pa.component_alpha = True;
1147	Pixmap mask_pmap = XCreatePixmap (dpy, pixmap, 1, 1, 32);
1148	Picture mask_pic = XRenderCreatePicture (dpy, mask_pmap, solid_format, CPRepeat | CPComponentAlpha, &pa);
1149	XFreePixmap (dpy, mask_pmap);
1150
1151	if (mask_pic && overlay_pic && back_pic)
1152	{
1153	XRenderColor mask_c;	882	XRenderColor mask_c;
1154		883
1155	mask_c.alpha = 0xffff;	884	mask_c.alpha = 0xffff;
		885	mask_c.red =
		886	mask_c.green =
		887	mask_c.blue = 0;
		888	XRenderFillRectangle (dpy, PictOpSrc, overlay_pic, &mask_c, 0, 0, 1, 1);
		889
		890	mask_c.alpha = 0;
		891	mask_c.red = 0xffff - c.r;
		892	mask_c.green = 0xffff - c.g;
		893	mask_c.blue = 0xffff - c.b;
		894	XRenderFillRectangle (dpy, PictOpSrc, mask_pic, &mask_c, 0, 0, 1, 1);
		895
		896	XRenderComposite (dpy, PictOpOver, overlay_pic, mask_pic, back_pic, 0, 0, 0, 0, 0, 0, width, height);
		897
		898	if (shade > 100)
		899	{
		900	mask_c.alpha = 0;
1156	mask_c.red =	901	mask_c.red =
1157	mask_c.green =	902	mask_c.green =
1158	mask_c.blue = 0;	903	mask_c.blue = 0xffff * (shade - 100) / 100;
1159	XRenderFillRectangle (dpy, PictOpSrc, overlay_pic, &mask_c, 0, 0, 1, 1);	904	XRenderFillRectangle (dpy, PictOpSrc, overlay_pic, &mask_c, 0, 0, 1, 1);
1160		905
1161	mask_c.alpha = 0;
1162	mask_c.red = 0xffff - c.r;
1163	mask_c.green = 0xffff - c.g;
1164	mask_c.blue = 0xffff - c.b;
1165	XRenderFillRectangle (dpy, PictOpSrc, mask_pic, &mask_c, 0, 0, 1, 1);
1166	XRenderComposite (dpy, PictOpOver, overlay_pic, mask_pic, back_pic, 0, 0, 0, 0, 0, 0, width, height);
1167
1168	if (shade > 100)
1169	{
1170	mask_c.red = mask_c.green = mask_c.blue = 0xffff * (shade - 100) / 100;
1171	mask_c.alpha = 0;
1172	XRenderFillRectangle (dpy, PictOpSrc, overlay_pic, &mask_c, 0, 0, 1, 1);
1173
1174	XRenderComposite (dpy, PictOpOver, overlay_pic, None, back_pic, 0, 0, 0, 0, 0, 0, width, height);	906	XRenderComposite (dpy, PictOpOver, overlay_pic, None, back_pic, 0, 0, 0, 0, 0, 0, width, height);
1175	}
1176
1177	ret = true;
1178	}	907	}
		908
		909	ret = true;
1179		910
1180	XRenderFreePicture (dpy, mask_pic);	911	XRenderFreePicture (dpy, mask_pic);
1181	XRenderFreePicture (dpy, overlay_pic);	912	XRenderFreePicture (dpy, overlay_pic);
1182	XRenderFreePicture (dpy, back_pic);	913	XRenderFreePicture (dpy, back_pic);
		914	}
1183	# endif	915	# endif
1184	}
1185		916
1186	return ret;	917	return ret;
1187	}	918	}
1188		919
1189	/*	920	/*
1190	* Builds a pixmap of the same size as the terminal window that contains	921	* Builds a pixmap of the same size as the terminal window that contains
1191	* the tiled portion of the root pixmap that is supposed to be covered by	922	* the tiled portion of the root pixmap that is supposed to be covered by
1192	* our window.	923	* our window.
1193	*/	924	*/
1194	unsigned long	925	bool
1195	rxvt_term::make_transparency_pixmap ()	926	rxvt_term::make_transparency_pixmap ()
1196	{	927	{
1197	unsigned long result = 0;	928	bool ret = false;
1198		929
1199	/* root dimensions may change from call to call - but Display structure should	930	/* root dimensions may change from call to call - but Display structure should
1200	* be always up-to-date, so let's use it :	931	* be always up-to-date, so let's use it :
1201	*/	932	*/
1202	int screen = display->screen;	933	int screen = display->screen;
…		…
1238	if (root_pixmap != None && root_depth != depth)	969	if (root_pixmap != None && root_depth != depth)
1239	{	970	{
1240	#if XRENDER	971	#if XRENDER
1241	if (bg_flags & BG_HAS_RENDER)	972	if (bg_flags & BG_HAS_RENDER)
1242	{	973	{
1243	XRenderPictureAttributes pa;	974	recoded_root_pmap = XCreatePixmap (dpy, vt, root_pmap_width, root_pmap_height, depth);
1244		975
1245	XRenderPictFormat *src_format = XRenderFindVisualFormat (dpy, DefaultVisual (dpy, screen));	976	XRenderPictFormat *src_format = XRenderFindVisualFormat (dpy, DefaultVisual (dpy, screen));
1246	Picture src = XRenderCreatePicture (dpy, root_pixmap, src_format, 0, &pa);	977	Picture src = XRenderCreatePicture (dpy, root_pixmap, src_format, 0, 0);
1247		978
1248	recoded_root_pmap = XCreatePixmap (dpy, vt, root_pmap_width, root_pmap_height, depth);
1249	XRenderPictFormat *dst_format = XRenderFindVisualFormat (dpy, visual);	979	XRenderPictFormat *dst_format = XRenderFindVisualFormat (dpy, visual);
1250	Picture dst = XRenderCreatePicture (dpy, recoded_root_pmap, dst_format, 0, &pa);	980	Picture dst = XRenderCreatePicture (dpy, recoded_root_pmap, dst_format, 0, 0);
1251		981
1252	if (src && dst)
1253	XRenderComposite (dpy, PictOpSrc, src, None, dst, 0, 0, 0, 0, 0, 0, root_pmap_width, root_pmap_height);	982	XRenderComposite (dpy, PictOpSrc, src, None, dst, 0, 0, 0, 0, 0, 0, root_pmap_width, root_pmap_height);
1254	else
1255	{
1256	XFreePixmap (dpy, recoded_root_pmap);
1257	root_pixmap = None;
1258	}
1259		983
1260	XRenderFreePicture (dpy, src);	984	XRenderFreePicture (dpy, src);
1261	XRenderFreePicture (dpy, dst);	985	XRenderFreePicture (dpy, dst);
1262	}	986	}
1263	else	987	else
1264	#endif	988	#endif
1265	root_pixmap = None;	989	recoded_root_pmap = None;
1266	}	990	}
1267		991
1268	if (root_pixmap == None)	992	if (recoded_root_pmap == None)
1269	return 0;	993	return 0;
1270		994
1271	if (bg_pixmap == None	995	if (bg_pixmap == None
1272	|| bg_pmap_width != window_width	996	|| bg_pmap_width != window_width
1273	|| bg_pmap_height != window_height)	997	|| bg_pmap_height != window_height)
…		…
1277	bg_pixmap = XCreatePixmap (dpy, vt, window_width, window_height, depth);	1001	bg_pixmap = XCreatePixmap (dpy, vt, window_width, window_height, depth);
1278	bg_pmap_width = window_width;	1002	bg_pmap_width = window_width;
1279	bg_pmap_height = window_height;	1003	bg_pmap_height = window_height;
1280	}	1004	}
1281		1005
1282	if (bg_pixmap == None)
1283	return 0;
1284
1285	/* straightforward pixmap copy */	1006	/* straightforward pixmap copy */
1286	while (sx < 0) sx += (int)root_width;	1007	while (sx < 0) sx += root_pmap_width;
1287	while (sy < 0) sy += (int)root_height;	1008	while (sy < 0) sy += root_pmap_height;
1288		1009
1289	gcv.tile = recoded_root_pmap;	1010	gcv.tile = recoded_root_pmap;
1290	gcv.fill_style = FillTiled;	1011	gcv.fill_style = FillTiled;
1291	gcv.ts_x_origin = -sx;	1012	gcv.ts_x_origin = -sx;
1292	gcv.ts_y_origin = -sy;	1013	gcv.ts_y_origin = -sy;
1293	gc = XCreateGC (dpy, vt, GCFillStyle | GCTile | GCTileStipXOrigin | GCTileStipYOrigin, &gcv);	1014	gc = XCreateGC (dpy, vt, GCFillStyle | GCTile | GCTileStipXOrigin | GCTileStipYOrigin, &gcv);
1294		1015
1295	if (gc)	1016	if (gc)
1296	{	1017	{
1297	XFillRectangle (dpy, bg_pixmap, gc, 0, 0, window_width, window_height);	1018	XFillRectangle (dpy, bg_pixmap, gc, 0, 0, window_width, window_height);
1298	result |= BG_IS_VALID | (bg_flags & BG_EFFECTS_FLAGS);	1019	ret = true;
		1020	bool need_blur = h_blurRadius && v_blurRadius;
		1021	bool need_tint = shade != 100 || (bg_flags & BG_TINT_SET);
		1022
		1023	if (!(bg_flags & BG_CLIENT_RENDER))
		1024	{
		1025	if (need_blur)
		1026	{
		1027	if (blur_pixmap (bg_pixmap, window_width, window_height))
		1028	need_blur = false;
		1029	}
		1030	if (need_tint)
		1031	{
		1032	if (tint_pixmap (bg_pixmap, window_width, window_height))
		1033	need_tint = false;
		1034	}
		1035	if (need_tint)
		1036	{
		1037	XImage *ximage = XGetImage (dpy, bg_pixmap, 0, 0, bg_pmap_width, bg_pmap_height, AllPlanes, ZPixmap);
		1038	if (ximage)
		1039	{
		1040	/* our own client-side tinting */
		1041	tint_ximage (ximage);
		1042
		1043	XPutImage (dpy, bg_pixmap, gc, ximage, 0, 0, 0, 0, ximage->width, ximage->height);
		1044	XDestroyImage (ximage);
		1045	}
		1046	}
		1047	} /* server side rendering completed */
		1048
1299	XFreeGC (dpy, gc);	1049	XFreeGC (dpy, gc);
1300
1301	if (!(bg_flags & BG_CLIENT_RENDER))
1302	{
1303	if ((bg_flags & BG_NEEDS_BLUR)
1304	&& (bg_flags & BG_HAS_RENDER_CONV))
1305	{
1306	if (blur_pixmap (bg_pixmap, visual, window_width, window_height))
1307	result &= ~BG_NEEDS_BLUR;
1308	}
1309	if ((bg_flags & BG_NEEDS_TINT)
1310	&& (bg_flags & (BG_TINT_BITAND | BG_HAS_RENDER)))
1311	{
1312	if (tint_pixmap (bg_pixmap, visual, window_width, window_height))
1313	result &= ~BG_NEEDS_TINT;
1314	}
1315	} /* server side rendering completed */
1316	}	1050	}
1317		1051
1318	if (recoded_root_pmap != root_pixmap)	1052	if (recoded_root_pmap != root_pixmap)
1319	XFreePixmap (dpy, recoded_root_pmap);	1053	XFreePixmap (dpy, recoded_root_pmap);
1320		1054
1321	return result;	1055	return ret;
1322	}	1056	}
1323		1057
1324	void	1058	void
1325	rxvt_term::bg_set_root_pixmap ()	1059	rxvt_term::bg_set_root_pixmap ()
1326	{	1060	{
…		…
1330		1064
1331	root_pixmap = new_root_pixmap;	1065	root_pixmap = new_root_pixmap;
1332	}	1066	}
1333	# endif /* ENABLE_TRANSPARENCY */	1067	# endif /* ENABLE_TRANSPARENCY */
1334		1068
1335	#if defined(ENABLE_TRANSPARENCY) && !defined(HAVE_AFTERIMAGE)
1336	static void shade_ximage (Visual *visual, XImage *ximage, int shade, const rgba &c);
1337	# endif
1338
1339	bool	1069	bool
1340	rxvt_term::bg_render ()	1070	rxvt_term::bg_render ()
1341	{	1071	{
1342	unsigned long tr_flags = 0;
1343
1344	bg_invalidate ();	1072	bg_invalidate ();
1345	# ifdef ENABLE_TRANSPARENCY	1073	# ifdef ENABLE_TRANSPARENCY
1346	if (bg_flags & BG_IS_TRANSPARENT)	1074	if (bg_flags & BG_IS_TRANSPARENT)
1347	{	1075	{
1348	/* we need to re-generate transparency pixmap in that case ! */	1076	/* we need to re-generate transparency pixmap in that case ! */
1349	tr_flags = make_transparency_pixmap ();	1077	if (make_transparency_pixmap ())
1350	if (tr_flags == 0)
1351	return false;
1352	else if (!(tr_flags & BG_EFFECTS_FLAGS))
1353	bg_flags |= BG_IS_VALID;	1078	bg_flags |= BG_IS_VALID;
1354	}	1079	}
1355	# endif	1080	# endif
1356		1081
1357	# ifdef BG_IMAGE_FROM_FILE	1082	# ifdef BG_IMAGE_FROM_FILE
1358	if ((bg_flags & BG_IS_FROM_FILE)	1083	if (bg_image.flags & IM_IS_SET)
1359	|| (tr_flags & BG_EFFECTS_FLAGS))
1360	{	1084	{
1361	if (render_image (tr_flags))	1085	if (render_image (bg_image))
1362	bg_flags |= BG_IS_VALID;	1086	bg_flags |= BG_IS_VALID;
1363	}
1364	# endif
1365
1366	# if defined(ENABLE_TRANSPARENCY) && !defined(HAVE_AFTERIMAGE)
1367	XImage *result = NULL;
1368
1369	if (tr_flags && !(bg_flags & BG_IS_VALID))
1370	{
1371	result = XGetImage (dpy, bg_pixmap, 0, 0, bg_pmap_width, bg_pmap_height, AllPlanes, ZPixmap);
1372	}
1373
1374	if (result)
1375	{
1376	/* our own client-side tinting */
1377	if (tr_flags & BG_NEEDS_TINT)
1378	{
1379	rgba c (rgba::MAX_CC,rgba::MAX_CC,rgba::MAX_CC);
1380	if (bg_flags & BG_TINT_SET)
1381	tint.get (c);
1382	shade_ximage (DefaultVisual (dpy, display->screen), result, shade, c);
1383	}
1384
1385	GC gc = XCreateGC (dpy, vt, 0UL, NULL);
1386
1387	if (gc)
1388	{
1389	XPutImage (dpy, bg_pixmap, gc, result, 0, 0, 0, 0, result->width, result->height);
1390
1391	XFreeGC (dpy, gc);
1392	bg_flags |= BG_IS_VALID;
1393	}
1394
1395	XDestroyImage (result);
1396	}	1087	}
1397	# endif	1088	# endif
1398		1089
1399	if (!(bg_flags & BG_IS_VALID))	1090	if (!(bg_flags & BG_IS_VALID))
1400	{	1091	{
…		…
1437	#endif	1128	#endif
1438	}	1129	}
1439		1130
1440	#endif /* HAVE_BG_PIXMAP */	1131	#endif /* HAVE_BG_PIXMAP */
1441		1132
1442	#if defined(ENABLE_TRANSPARENCY) && !defined(HAVE_AFTERIMAGE)	1133	#ifdef ENABLE_TRANSPARENCY
1443	/* taken from aterm-0.4.2 */	1134	/* based on code from aterm-0.4.2 */
1444		1135
1445	static void	1136	static inline void
1446	shade_ximage (Visual *visual, XImage *ximage, int shade, const rgba &c)	1137	fill_lut (uint32_t *lookup, uint32_t mask, int sh, unsigned short low, unsigned short high)
1447	{	1138	{
		1139	for (int i = 0; i <= mask >> sh; i++)
		1140	{
		1141	uint32_t tmp;
		1142	tmp = i * high;
		1143	tmp += (mask >> sh) * low;
		1144	lookup[i] = (tmp / 0xffff) << sh;
		1145	}
		1146	}
		1147
		1148	void
		1149	rxvt_term::tint_ximage (XImage *ximage)
		1150	{
		1151	unsigned int size_r, size_g, size_b;
1448	int sh_r, sh_g, sh_b;	1152	int sh_r, sh_g, sh_b;
1449	uint32_t mask_r, mask_g, mask_b;	1153	uint32_t mask_r, mask_g, mask_b;
1450	uint32_t *lookup, *lookup_r, *lookup_g, *lookup_b;	1154	uint32_t *lookup, *lookup_r, *lookup_g, *lookup_b;
1451	rgba low;	1155	unsigned short low;
1452	rgba high;
1453	int i;
1454	int host_byte_order = byteorder::big_endian () ? MSBFirst : LSBFirst;	1156	int host_byte_order = ecb_big_endian () ? MSBFirst : LSBFirst;
1455		1157
1456	if (visual->c_class != TrueColor || ximage->format != ZPixmap) return;	1158	if (visual->c_class != TrueColor || ximage->format != ZPixmap) return;
1457		1159
1458	/* for convenience */	1160	/* for convenience */
1459	mask_r = visual->red_mask;	1161	mask_r = visual->red_mask;
1460	mask_g = visual->green_mask;	1162	mask_g = visual->green_mask;
1461	mask_b = visual->blue_mask;	1163	mask_b = visual->blue_mask;
1462		1164
1463	/* boring lookup table pre-initialization */	1165	/* boring lookup table pre-initialization */
1464	switch (ximage->depth)	1166	sh_r = ecb_ctz32 (mask_r);
1465	{	1167	sh_g = ecb_ctz32 (mask_g);
1466	case 15:	1168	sh_b = ecb_ctz32 (mask_b);
1467	if ((mask_r != 0x7c00) ||	1169
1468	(mask_g != 0x03e0) ||	1170	size_r = mask_r >> sh_r;
1469	(mask_b != 0x001f))	1171	size_g = mask_g >> sh_g;
		1172	size_b = mask_b >> sh_b;
		1173
		1174	if (size_r++ > 255 || size_g++ > 255 || size_b++ > 255)
1470	return;	1175	return;
1471	lookup = (uint32_t *) malloc (sizeof (uint32_t)*(32+32+32));	1176
		1177	lookup = (uint32_t *)malloc (sizeof (uint32_t) * (size_r + size_g + size_b));
1472	lookup_r = lookup;	1178	lookup_r = lookup;
1473	lookup_g = lookup+32;	1179	lookup_g = lookup + size_r;
1474	lookup_b = lookup+32+32;	1180	lookup_b = lookup + size_r + size_g;
1475	sh_r = 10;	1181
1476	sh_g = 5;	1182	rgba c (rgba::MAX_CC, rgba::MAX_CC, rgba::MAX_CC);
1477	sh_b = 0;	1183
1478	break;	1184	if (bg_flags & BG_TINT_SET)
1479	case 16:	1185	tint.get (c);
1480	if ((mask_r != 0xf800) ||
1481	(mask_g != 0x07e0) ||
1482	(mask_b != 0x001f))
1483	return;
1484	lookup = (uint32_t *) malloc (sizeof (uint32_t)*(32+64+32));
1485	lookup_r = lookup;
1486	lookup_g = lookup+32;
1487	lookup_b = lookup+32+64;
1488	sh_r = 11;
1489	sh_g = 5;
1490	sh_b = 0;
1491	break;
1492	case 24:
1493	if ((mask_r != 0xff0000) ||
1494	(mask_g != 0x00ff00) ||
1495	(mask_b != 0x0000ff))
1496	return;
1497	lookup = (uint32_t *) malloc (sizeof (uint32_t)*(256+256+256));
1498	lookup_r = lookup;
1499	lookup_g = lookup+256;
1500	lookup_b = lookup+256+256;
1501	sh_r = 16;
1502	sh_g = 8;
1503	sh_b = 0;
1504	break;
1505	case 32:
1506	if ((mask_r != 0xff0000) ||
1507	(mask_g != 0x00ff00) ||
1508	(mask_b != 0x0000ff))
1509	return;
1510	lookup = (uint32_t *) malloc (sizeof (uint32_t)*(256+256+256));
1511	lookup_r = lookup;
1512	lookup_g = lookup+256;
1513	lookup_b = lookup+256+256;
1514	sh_r = 16;
1515	sh_g = 8;
1516	sh_b = 0;
1517	break;
1518	default:
1519	return; /* we do not support this color depth */
1520	}
1521		1186
1522	/* prepare limits for color transformation (each channel is handled separately) */	1187	/* prepare limits for color transformation (each channel is handled separately) */
1523	if (shade > 100)	1188	if (shade > 100)
1524	{	1189	{
1525	shade = 200 - shade;
1526
1527	high.r = c.r * shade / 100;
1528	high.g = c.g * shade / 100;
1529	high.b = c.b * shade / 100;
1530
1531	low.r = 65535 * (100 - shade) / 100;	1190	c.r = c.r * (200 - shade) / 100;
1532	low.g = 65535 * (100 - shade) / 100;	1191	c.g = c.g * (200 - shade) / 100;
1533	low.b = 65535 * (100 - shade) / 100;	1192	c.b = c.b * (200 - shade) / 100;
		1193
		1194	low = 0xffff * (shade - 100) / 100;
1534	}	1195	}
1535	else	1196	else
1536	{	1197	{
1537	high.r = c.r * shade / 100;	1198	c.r = c.r * shade / 100;
1538	high.g = c.g * shade / 100;	1199	c.g = c.g * shade / 100;
1539	high.b = c.b * shade / 100;	1200	c.b = c.b * shade / 100;
1540		1201
1541	low.r = low.g = low.b = 0;	1202	low = 0;
1542	}	1203	}
1543		1204
1544	/* fill our lookup tables */	1205	/* fill our lookup tables */
1545	for (i = 0; i <= mask_r>>sh_r; i++)	1206	fill_lut (lookup_r, mask_r, sh_r, low, c.r);
1546	{	1207	fill_lut (lookup_g, mask_g, sh_g, low, c.g);
1547	uint32_t tmp;	1208	fill_lut (lookup_b, mask_b, sh_b, low, c.b);
1548	tmp = i * high.r;
1549	tmp += (mask_r>>sh_r) * low.r;
1550	lookup_r[i] = (tmp/65535)<<sh_r;
1551	}
1552	for (i = 0; i <= mask_g>>sh_g; i++)
1553	{
1554	uint32_t tmp;
1555	tmp = i * high.g;
1556	tmp += (mask_g>>sh_g) * low.g;
1557	lookup_g[i] = (tmp/65535)<<sh_g;
1558	}
1559	for (i = 0; i <= mask_b>>sh_b; i++)
1560	{
1561	uint32_t tmp;
1562	tmp = i * high.b;
1563	tmp += (mask_b>>sh_b) * low.b;
1564	lookup_b[i] = (tmp/65535)<<sh_b;
1565	}
1566		1209
1567	/* apply table to input image (replacing colors by newly calculated ones) */	1210	/* apply table to input image (replacing colors by newly calculated ones) */
1568	if (ximage->bits_per_pixel == 32	1211	if (ximage->bits_per_pixel == 32
1569	&& (ximage->depth == 24 || ximage->depth == 32)
1570	&& ximage->byte_order == host_byte_order)	1212	&& ximage->byte_order == host_byte_order)
1571	{	1213	{
1572	uint32_t *p1, *pf, *p, *pl;	1214	char *line = ximage->data;
1573	p1 = (uint32_t *) ximage->data;
1574	pf = (uint32_t *) (ximage->data + ximage->height * ximage->bytes_per_line);
1575		1215
1576	while (p1 < pf)	1216	for (int y = 0; y < ximage->height; y++)
1577	{
1578	p = p1;
1579	pl = p1 + ximage->width;
1580	for (; p < pl; p++)
1581	{	1217	{
1582	*p = lookup_r[(*p & 0xff0000) >> 16] |	1218	uint32_t *p = (uint32_t *)line;
1583	lookup_g[(*p & 0x00ff00) >> 8] |	1219	for (int x = 0; x < ximage->width; x++)
1584	lookup_b[(*p & 0x0000ff)] |
1585	(*p & 0xff000000);
1586	}	1220	{
1587	p1 = (uint32_t *) ((char *) p1 + ximage->bytes_per_line);	1221	*p = lookup_r[(*p & mask_r) >> sh_r] |
		1222	lookup_g[(*p & mask_g) >> sh_g] |
		1223	lookup_b[(*p & mask_b) >> sh_b];
		1224	p++;
		1225	}
		1226	line += ximage->bytes_per_line;
1588	}	1227	}
1589	}	1228	}
1590	else	1229	else
1591	{	1230	{
1592	for (int y = 0; y < ximage->height; y++)	1231	for (int y = 0; y < ximage->height; y++)
…		…
1600	}	1239	}
1601	}	1240	}
1602		1241
1603	free (lookup);	1242	free (lookup);
1604	}	1243	}
1605	#endif /* defined(ENABLE_TRANSPARENCY) && !defined(HAVE_AFTERIMAGE) */	1244	#endif /* ENABLE_TRANSPARENCY */

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