pixmap_mask *m = g_new(pixmap_mask, 1);
m->w = w;
m->h = h;
+ /* round up to nearest byte */
+ m->data = g_memdup(data, (w * h + 7) / 8);
m->mask = XCreateBitmapFromData(ob_display, ob_root, data, w, h);
return m;
}
void pixmap_mask_free(pixmap_mask *m)
{
XFreePixmap(ob_display, m->mask);
+ g_free(m->data);
g_free(m);
}
-void mask_draw(Pixmap p, TextureMask *m, int width, int height)
+void mask_draw(Pixmap p, TextureMask *m, Rect *position)
{
int x, y;
- if (m->mask == None) return; // no mask given
+ if (m->mask == None) return; /* no mask given */
+
+ /* set the clip region */
+ x = position->x + (position->width - m->mask->w) / 2;
+ y = position->y + (position->height - m->mask->h) / 2;
+
+ if (x < 0) x = 0;
+ if (y < 0) y = 0;
- // set the clip region
- x = (width - m->mask->w) / 2;
- y = (height - m->mask->h) / 2;
XSetClipMask(ob_display, m->color->gc, m->mask->mask);
XSetClipOrigin(ob_display, m->color->gc, x, y);
- // fill in the clipped region
+ /* fill in the clipped region */
XFillRectangle(ob_display, p, m->color->gc, x, y,
x + m->mask->w, y + m->mask->h);
- // unset the clip region
+ /* unset the clip region */
XSetClipMask(ob_display, m->color->gc, None);
XSetClipOrigin(ob_display, m->color->gc, 0, 0);
}
+
+pixmap_mask *pixmap_mask_copy(pixmap_mask *src)
+{
+ pixmap_mask *m = g_new(pixmap_mask, 1);
+ m->w = src->w;
+ m->h = src->h;
+ /* round up to nearest byte */
+ m->data = g_memdup(src->data, (src->w * src->h + 7) / 8);
+ m->mask = XCreateBitmapFromData(ob_display, ob_root, m->data, m->w, m->h);
+ return m;
+}