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修复旋转放大后 画线的问题

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艾竹
2023-02-11 10:03:06 +08:00
parent a928ae1ddd
commit 86082cb788
5 changed files with 308 additions and 11 deletions
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24
AIStudio.Wpf.DiagramDesigner/Helpers/PointHelper.cs
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@@ -1,13 +1,14 @@
using AIStudio.Wpf.DiagramDesigner.Geometrys;
using System;
using AIStudio.Wpf.DiagramDesigner.Geometrys;
namespace AIStudio.Wpf.DiagramDesigner
{
public class PointHelper
{
public static PointBase GetPointForConnector(FullyCreatedConnectorInfo connector)
public static PointBase GetPointForConnector(FullyCreatedConnectorInfo connector, bool middle = false)
{
PointBase point = new PointBase();
if (connector == null)
if (connector == null || connector.DataItem == null)
{
return point;
}
@@ -19,7 +20,7 @@ namespace AIStudio.Wpf.DiagramDesigner
}
else if (connector.IsPortless)
{
point = connector.DataItem?.GetBounds().Center?? connector.MiddlePosition;
point = connector.DataItem.MiddlePosition;
}
else
{
@@ -54,7 +55,20 @@ namespace AIStudio.Wpf.DiagramDesigner
break;
}
}
return point;
if (middle)
{
point.X = point.X + connector.ConnectorWidth / 2;
point.Y = point.Y + connector.ConnectorHeight / 2;
}
//旋转后的坐标
var newX = (point.X - connector.DataItem.MiddlePosition.X) * Math.Cos(connector.DataItem.Angle * Math.PI / 180) - (point.Y - connector.DataItem.MiddlePosition.Y) * Math.Sin(connector.DataItem.Angle * Math.PI / 180) + connector.DataItem.MiddlePosition.X;
var newY = (point.Y - connector.DataItem.MiddlePosition.Y) * Math.Cos(connector.DataItem.Angle * Math.PI / 180) - (point.X - connector.DataItem.MiddlePosition.X) * Math.Sin(connector.DataItem.Angle * Math.PI / 180) + connector.DataItem.MiddlePosition.Y;
//放大缩小后的坐标
newX = (newX - connector.DataItem.MiddlePosition.X) * connector.DataItem.ScaleX + connector.DataItem.MiddlePosition.X;
newY = (newY - connector.DataItem.MiddlePosition.Y) * connector.DataItem.ScaleY + connector.DataItem.MiddlePosition.Y;
return new PointBase(newX, newY);
}