public ControlButton(ushort x, ushort y, uint resId, ButtonIds id, byte flag, ResMan pResMan, byte[] screenBuf, ISystem system) { _x = x; _y = y; _id = id; _flag = flag; _resId = resId; _resMan = pResMan; _frameIdx = 0; _resMan.ResOpen(_resId); FrameHeader tmp = new FrameHeader(_resMan.FetchFrame(_resMan.FetchRes(_resId), 0)); _width = _resMan.ReadUInt16(tmp.width); _width = (ushort)((_width > Screen.SCREEN_WIDTH) ? Screen.SCREEN_WIDTH : _width); _height = _resMan.ReadUInt16(tmp.height); if ((x == 0) && (y == 0)) { // center the frame (used for panels); _x = (ushort)((((640 - _width) / 2) < 0) ? 0 : ((640 - _width) / 2)); _y = (ushort)((((480 - _height) / 2) < 0) ? 0 : ((480 - _height) / 2)); } _dstBuf = new ByteAccess(screenBuf, _y * Screen.SCREEN_WIDTH + _x); _system = system; }