void Image::Data::SysRelease()
{
    if(picture) {
        if(Xdisplay) XRenderFreePicture(Xdisplay, picture);
        ResCount -= !paintonly;
        picture = 0;
    }
    if(picture8) {
        if (Xdisplay) XRenderFreePicture(Xdisplay, picture8);