func (t *textureImpl) Release() {
t.releasedMu.Lock()
released := t.released
t.released = true
t.releasedMu.Unlock()
if released {
return
}
render.FreePicture(t.s.xc, t.xp)
xproto.FreePixmap(t.s.xc, t.xm)
}
func icon2md5(xid xproto.Window) []byte {
pixmap, _ := xproto.NewPixmapId(TrayXU.Conn())
defer xproto.FreePixmap(TrayXU.Conn(), pixmap)
if err := composite.NameWindowPixmapChecked(TrayXU.Conn(), xid, pixmap).Check(); err != nil {
logger.Warning("NameWindowPixmap failed:", err, xid)
return nil
}
im, err := xgraphics.NewDrawable(TrayXU, xproto.Drawable(pixmap))
if err != nil {
logger.Warning("Create xgraphics.Image failed:", err, pixmap)
return nil
}
buf := bytes.NewBuffer(nil)
im.WritePng(buf)
hasher := md5.New()
hasher.Write(buf.Bytes())
return hasher.Sum(nil)
}
// Destroy frees the pixmap resource being used by this image.
// It should be called whenever the image will no longer be drawn or painted.
func (im *Image) Destroy() {
if im.Pixmap != 0 {
xproto.FreePixmap(im.X.Conn(), im.Pixmap)
im.Pixmap = 0
}
}
// FreePixmap is a convenience function for destroying a pixmap resource
// on the X server.
// If you're using an xgraphics.Image value, then its Destroy method will call
// this for you.
func FreePixmap(X *xgbutil.XUtil, pixid xproto.Pixmap) {
xproto.FreePixmap(X.Conn(), pixid)
}