private CodeX <Distance> MyCoderX(LayoutX x, LayoutY y)
{
return(new CodeX <Distance>
{
Cx = Distance.FromMeter(GeoEu.Length(x.Lx, y.Ly)),
});
}
/// <summary>
/// マウスWheelイベント
/// </summary>
/// <param name="e"></param>
public void OnMouseWheel(MouseState e)
{
if (e.Attr.Equals(_trigger))
{
// 選択ペーンの描画領域の中心をズームのセンターの設定
var _posDown = new ScreenPos
{
X = e.Pane.GetPaneRect().LT.X + e.Pos.X - e.Pane.GetPaneRect().LT.X,
Y = e.Pane.GetPaneRect().LT.Y + e.Pos.Y - e.Pane.GetPaneRect().LT.Y
};
var _scrollDown = (ScreenPos)Pane.Scroll.Clone();
var _zoomDown = (XyBase)Pane.Zoom.Clone();
var vol = (int)(GeoEu.Length(Pane.Zoom.X, Pane.Zoom.Y) / 1000 * e.Delta.Y * 0.1);
// 画面の拡大/縮小
XyBase zoomNow;
if (_isX && !_isY)
{
zoomNow = Pane.Zoom + XyBase.FromInt(vol, 0); // ズーム値の算出
}
else if (!_isX && _isY)
{
zoomNow = Pane.Zoom + XyBase.FromInt(0, vol); // ズーム値の算出
}
else
{
zoomNow = Pane.Zoom + vol; // ズーム値の算出
}
// ズーム値を規定範囲内に収める
if (zoomNow.X > 4000)
{
zoomNow.X = 4000;
}
if (zoomNow.Y > 4000)
{
zoomNow.Y = 4000;
}
if (zoomNow.X < 5)
{
zoomNow.X = 5;
}
if (zoomNow.Y < 5)
{
zoomNow.Y = 5;
}
Pane.Zoom = (XyBase)zoomNow.Clone(); // ズーム値の反映
// クリックした位置を基準にしてズームするように画面をスクロールする。
var ZoomRatioX = (double)zoomNow.X / _zoomDown.X; // X方向のズーム率の算出
var ZoomRatioY = (double)zoomNow.Y / _zoomDown.Y; // Y方向のズーム率の算出
var beforeDownPos = _posDown - _scrollDown - e.Pane.GetPaneRect().LT; //
var afterDownPos = ScreenPos.FromInt((int)(ZoomRatioX * beforeDownPos.X), (int)(ZoomRatioY * beforeDownPos.Y));
if (_noscrollmove.value == false)
{
Pane.Scroll = _scrollDown - (afterDownPos - beforeDownPos);
}
else
{
_noscrollmove.value = false;
}
Pane.Invalidate(null);
}
else
{
OnMouseUp(e);
}
}
/// <summary>
/// selection score
/// </summary>
/// <param name="pane"></param>
/// <param name="pos"></param>
/// <returns></returns>
public float SelectingScore(IDrawArea pane, ScreenPos pos)
{
var s1 = GetScreenPos(pane);
return((float)GeoEu.Length(s1.X.Sx, s1.Y.Sy, pos.X.Sx, pos.Y.Sy) / DotR);
}