/// <summary>
/// 一時的ポイント移動を反映しエッジ描画更新。
/// </summary>
public void RedrawEdge(PointInf removedPoint, PointInf addedPoint)
{
foreach (var e in mEdgeList)
{
PointInf p1 = null;
if (e.fromPointIdx == removedPoint.Idx)
{
p1 = addedPoint;
}
else
{
p1 = mPP.FindPointByIdx(e.fromPointIdx, PointProc.FindPointMode.FindAll);
}
PointInf p2 = null;
if (e.toPointIdx == removedPoint.Idx)
{
p2 = addedPoint;
}
else
{
p2 = mPP.FindPointByIdx(e.toPointIdx, PointProc.FindPointMode.FindAll);
}
mDP.mCanvas.Children.Remove(e.line);
e.line = null;
mDP.mCanvas.Children.Remove(e.arrow);
e.arrow = null;
var l = DrawUtil.NewLine(p1.xy, p2.xy, mDP.mBrush);
e.line = l;
var poly = NewArrowPoly(p1.xy, p2.xy, mDP.mBrush);
e.arrow = poly;
mDP.mCanvas.Children.Add(l);
mDP.mCanvas.Children.Add(poly);
}
}
/// <summary>
/// すべてのエッジを再描画する。
/// �@既存エッジをキャンバスから削除。
/// �A新しいエッジを作成。
/// �B新エッジをキャンバスに追加。
/// </summary>
public void RedrawAllEdges()
{
foreach (var e in mEdgeList)
{
var p1 = mPP.FindPointByIdx(e.fromPointIdx, PointProc.FindPointMode.FindAll);
var p2 = mPP.FindPointByIdx(e.toPointIdx, PointProc.FindPointMode.FindAll);
mDP.mCanvas.Children.Remove(e.line);
e.line = null;
mDP.mCanvas.Children.Remove(e.arrow);
e.arrow = null;
var l = DrawUtil.NewLine(p1.xy, p2.xy, mDP.mBrush);
e.line = l;
var poly = NewArrowPoly(p1.xy, p2.xy, mDP.mBrush);
e.arrow = poly;
mDP.mCanvas.Children.Add(l);
mDP.mCanvas.Children.Add(poly);
}
}
private void RedrawGrid()
{
foreach (var p in mGridLines)
{
mCanvas.Children.Remove(p);
}
mGridLines.Clear();
for (int x = 0; x < mCanvas.ActualWidth; x += mDP.mGridSz)
{
var p = DrawUtil.NewLine(new WWVectorD2(x, 0), new WWVectorD2(x, mCanvas.ActualHeight), mDP.mGridBrush);
Canvas.SetZIndex(p, mDP.Z_Grid);
mCanvas.Children.Add(p);
mGridLines.Add(p);
}
for (int y = 0; y < mCanvas.ActualHeight; y += mDP.mGridSz)
{
var p = DrawUtil.NewLine(new WWVectorD2(0, y), new WWVectorD2(mCanvas.ActualWidth, y), mDP.mGridBrush);
Canvas.SetZIndex(p, mDP.Z_Grid);
mCanvas.Children.Add(p);
mGridLines.Add(p);
}
}
