// Token: 0x06006DC4 RID: 28100 RVA: 0x001F8BD8 File Offset: 0x001F6DD8
private void UpdatePointDistances(LassoSelectionBehavior.ElementCornerPoints elementPoints)
{
double num = elementPoints.UpperLeft.X - elementPoints.UpperRight.X;
if (num < 0.0)
{
num = -num;
}
double num2 = elementPoints.UpperLeft.Y - elementPoints.LowerLeft.Y;
if (num2 < 0.0)
{
num2 = -num2;
}
this._xDiff = num * 0.25;
if (this._xDiff > 50.0)
{
this._xDiff = 50.0;
}
else if (this._xDiff < 15.0)
{
this._xDiff = 15.0;
}
this._yDiff = num2 * 0.25;
if (this._yDiff > 50.0)
{
this._yDiff = 50.0;
return;
}
if (this._yDiff < 15.0)
{
this._yDiff = 15.0;
}
}
// Token: 0x06006DBD RID: 28093 RVA: 0x001F8814 File Offset: 0x001F6A14
private void HitTestElement(InkCanvasInnerCanvas parent, UIElement uiElement, List <UIElement> elementsToSelect)
{
LassoSelectionBehavior.ElementCornerPoints transformedElementCornerPoints = LassoSelectionBehavior.GetTransformedElementCornerPoints(parent, uiElement);
if (transformedElementCornerPoints.Set)
{
Point[] points = this.GeneratePointGrid(transformedElementCornerPoints);
if (this._lassoHelper.ArePointsInLasso(points, 60))
{
elementsToSelect.Add(uiElement);
}
}
}
// Token: 0x06006DBE RID: 28094 RVA: 0x001F8850 File Offset: 0x001F6A50
private static LassoSelectionBehavior.ElementCornerPoints GetTransformedElementCornerPoints(InkCanvasInnerCanvas canvas, UIElement childElement)
{
LassoSelectionBehavior.ElementCornerPoints result = default(LassoSelectionBehavior.ElementCornerPoints);
result.Set = false;
if (childElement.Visibility != Visibility.Visible)
{
return(result);
}
GeneralTransform generalTransform = childElement.TransformToAncestor(canvas);
generalTransform.TryTransform(new Point(0.0, 0.0), out result.UpperLeft);
generalTransform.TryTransform(new Point(childElement.RenderSize.Width, 0.0), out result.UpperRight);
generalTransform.TryTransform(new Point(0.0, childElement.RenderSize.Height), out result.LowerLeft);
generalTransform.TryTransform(new Point(childElement.RenderSize.Width, childElement.RenderSize.Height), out result.LowerRight);
result.Set = true;
return(result);
}
// Token: 0x06006DBF RID: 28095 RVA: 0x001F8930 File Offset: 0x001F6B30
private Point[] GeneratePointGrid(LassoSelectionBehavior.ElementCornerPoints elementPoints)
{
if (!elementPoints.Set)
{
return(new Point[0]);
}
ArrayList arrayList = new ArrayList();
this.UpdatePointDistances(elementPoints);
arrayList.Add(elementPoints.UpperLeft);
arrayList.Add(elementPoints.UpperRight);
this.FillInPoints(arrayList, elementPoints.UpperLeft, elementPoints.UpperRight);
arrayList.Add(elementPoints.LowerLeft);
arrayList.Add(elementPoints.LowerRight);
this.FillInPoints(arrayList, elementPoints.LowerLeft, elementPoints.LowerRight);
this.FillInGrid(arrayList, elementPoints.UpperLeft, elementPoints.UpperRight, elementPoints.LowerRight, elementPoints.LowerLeft);
Point[] array = new Point[arrayList.Count];
arrayList.CopyTo(array);
return(array);
}