]> Dogcows Code - chaz/openbox/blob - render/mask.c
kill all enter events on a desktop switch
[chaz/openbox] / render / mask.c
1 #include "mask.h"
2 #include "../kernel/openbox.h"
3
4 pixmap_mask *pixmap_mask_new(int w, int h, char *data)
5 {
6 pixmap_mask *m = g_new(pixmap_mask, 1);
7 m->w = w;
8 m->h = h;
9 m->mask = XCreateBitmapFromData(ob_display, ob_root, data, w, h);
10 return m;
11 }
12
13 void pixmap_mask_free(pixmap_mask *m)
14 {
15 XFreePixmap(ob_display, m->mask);
16 g_free(m);
17 }
18
19 void mask_draw(Pixmap p, TextureMask *m, int width, int height)
20 {
21 int x, y;
22 if (m->mask == None) return; // no mask given
23
24 // set the clip region
25 x = (width - m->mask->w) / 2;
26 y = (height - m->mask->h) / 2;
27 XSetClipMask(ob_display, m->color->gc, m->mask->mask);
28 XSetClipOrigin(ob_display, m->color->gc, x, y);
29
30 // fill in the clipped region
31 XFillRectangle(ob_display, p, m->color->gc, x, y,
32 x + m->mask->w, y + m->mask->h);
33
34 // unset the clip region
35 XSetClipMask(ob_display, m->color->gc, None);
36 XSetClipOrigin(ob_display, m->color->gc, 0, 0);
37 }
This page took 0.033906 seconds and 4 git commands to generate.