public DefaultCreateInteractor(
DxfEntity entity,
ITransaction transaction,
IControlPointCollection controlPoints)
: base(entity)
{
this.itransaction_0 = transaction;
this.itransaction_0.Completed += new EventHandler(this.itransaction_0_Completed);
this.icontrolPointCollection_0 = controlPoints;
}
private int method_1(InteractionContext context, WW.Math.Point2D mousePosition)
{
double tolerance = 0.5 * context.EditHandleSize;
int num = -1;
IControlPointCollection interactionControlPoints = this.Entity.InteractionControlPoints;
Matrix4D matrix4D = context.ProjectionTransform * this.Entity.Transform;
for (int index = 0; index < interactionControlPoints.Count; ++index)
{
if (WW.Math.Point2D.AreApproxEqual((WW.Math.Point2D)matrix4D.Transform(interactionControlPoints.Get(index)), mousePosition, tolerance))
{
num = index;
break;
}
}
return(num);
}
public override void Draw(
PaintEventArgs e,
GraphicsHelper graphicsHelper,
InteractionContext context)
{
base.Draw(e, graphicsHelper, context);
IControlPointCollection controlPoints = this.Interactor.ControlPoints;
Matrix4D matrix4D1 = context.ProjectionTransform * this.Interactor.Entity.Transform;
for (int index = 0; index < controlPoints.Count; ++index)
{
graphicsHelper.DrawEditHandle(e.Graphics, graphicsHelper.DefaultPen, matrix4D1.TransformTo2D(controlPoints.Get(index)));
}
DxfEntity.Interactor interactor = this.Interactor;
if (!interactor.MouseWcsPosition.HasValue)
{
return;
}
Matrix4D matrix4D2 = context.ProjectionTransform * this.Interactor.Entity.Transform;
graphicsHelper.DrawEditHandle(e.Graphics, interactor.PositionIsSnapped ? graphicsHelper.HighlightPen : graphicsHelper.DefaultPen, matrix4D2.TransformTo2D(interactor.MouseWcsPosition.Value));
}
public static bool IsInPolygon(IControlPointCollection pts2Test, IControlPointCollection polyPts)
{
PointF[] pts = new PointF[polyPts.Count];
for (int i = 0; i < polyPts.Count; i++)
{
var pt3D = polyPts.Get(i);
pts[i] = new PointF((float)pt3D.X, (float)pt3D.Y);
}
bool isInside = false;
for (int i = 0; i < pts2Test.Count; i++)
{
var pt3D = pts2Test.Get(i);
PointF ptF = new PointF((float)pt3D.X, (float)pt3D.Y);
if (IsInPolygon(pts, ptF))
{
isInside = true;
break;
}
}
return isInside;
}
public override void Draw(
PaintEventArgs e,
GraphicsHelper graphicsHelper,
InteractionContext context)
{
base.Draw(e, graphicsHelper, context);
IControlPointCollection controlPoints = this.Interactor.ControlPoints;
Matrix4D matrix4D = context.ProjectionTransform * this.Interactor.Entity.Transform;
for (int index = 0; index < controlPoints.Count; ++index)
{
WW.Math.Point2D position = matrix4D.TransformTo2D(controlPoints.Get(index));
switch (controlPoints.GetDisplayType(index))
{
case PointDisplayType.Default:
int x = (int)System.Math.Round(position.X);
int y = (int)System.Math.Round(position.Y);
Class735.smethod_3(e.Graphics, graphicsHelper.DefaultPen.Color, x, y);
break;
case PointDisplayType.EditHandle:
GdiDrawUtil.DrawEditHandle(e.Graphics, graphicsHelper.DefaultPen, position, context.EditHandleSize);
break;
case PointDisplayType.CrossHair:
int num1 = (int)System.Math.Round(position.X);
int num2 = (int)System.Math.Round(position.Y);
int x1 = (int)System.Math.Round((double)num1 - 0.5 * context.CrossHairSize);
int y1 = (int)System.Math.Round((double)num2 - 0.5 * context.CrossHairSize);
int x2 = (int)System.Math.Round((double)num1 + 0.5 * context.CrossHairSize);
int y2 = (int)System.Math.Round((double)num2 + 0.5 * context.CrossHairSize);
e.Graphics.DrawLine(graphicsHelper.DefaultPen, x1, num2, x2, num2);
e.Graphics.DrawLine(graphicsHelper.DefaultPen, num1, y1, num1, y2);
break;
}
}
}
