1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
|
/*
* $Id$
*
* Copyright © 2003 Keith Packard
*
* Permission to use, copy, modify, distribute, and sell this software and its
* documentation for any purpose is hereby granted without fee, provided that
* the above copyright notice appear in all copies and that both that
* copyright notice and this permission notice appear in supporting
* documentation, and that the name of Keith Packard not be used in
* advertising or publicity pertaining to distribution of the software without
* specific, written prior permission. Keith Packard makes no
* representations about the suitability of this software for any purpose. It
* is provided "as is" without express or implied warranty.
*
* KEITH PACKARD DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE,
* INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO
* EVENT SHALL KEITH PACKARD BE LIABLE FOR ANY SPECIAL, INDIRECT OR
* CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE,
* DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER
* TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
* PERFORMANCE OF THIS SOFTWARE.
*/
#include "findargb.h"
Visual *
find_argb_visual (Display *dpy, int scr)
{
XVisualInfo *xvi;
XVisualInfo template;
int nvi;
int i;
XRenderPictFormat *format;
Visual *visual;
template.screen = scr;
template.depth = 32;
template.class = TrueColor;
xvi = XGetVisualInfo (dpy,
VisualScreenMask |
VisualDepthMask |
VisualClassMask,
&template,
&nvi);
if (!xvi)
return 0;
visual = 0;
for (i = 0; i < nvi; i++)
{
format = XRenderFindVisualFormat (dpy, xvi[i].visual);
if (format->type == PictTypeDirect && format->direct.alphaMask)
{
visual = xvi[i].visual;
break;
}
}
XFree (xvi);
return visual;
}
|
