protected virtual void OnUIDragBegin(object sender, MouseEventArgs e)
{
if (!e.Handled && (e.Source is UIElement))
{
PointDouble mouseCenterPt = BrushToolBase <TDerived, TChanges, TUI> .GetMouseCenterPt(e.GetPosition(this.UI), base.CanvasView.CanvasHairWidth);
BrushInputPoint point = new BrushInputPoint(mouseCenterPt);
if ((this.State == TransactedToolState.Idle) && !this.mouseInputDrawingAgent.IsActive)
{
BrushInputPoint[] inputPoints = new BrushInputPoint[] { point };
TChanges initialChanges = this.CreateChanges(base.DrawingSettingsValues, inputPoints, e.RightButton);
base.BeginDrawing(this.mouseInputDrawingAgent, initialChanges);
}
}
}
protected static PointDouble GetMouseCenterPt(PointDouble mouseTopLeftPt, double hairWidth) => BrushToolBase <TDerived, TChanges, TUI> .GetMouseCoverageRect(mouseTopLeftPt, hairWidth).Center;
protected virtual void OnUIDragMove(object sender, MouseEventArgs e)
{
double canvasHairWidth;
if ((!e.Handled && (e.Source is UIElement)) && ((this.State == TransactedToolState.Drawing) && this.mouseInputDrawingAgent.IsActive))
{
IList <PointDouble> intermediatePoints = e.GetIntermediatePoints(this.UI);
canvasHairWidth = base.CanvasView.CanvasHairWidth;
IList <BrushInputPoint> inputPoints = intermediatePoints.Select <PointDouble, PointDouble>(pt => BrushToolBase <TDerived, TChanges, TUI> .GetMouseCenterPt(pt, canvasHairWidth)).Select <PointDouble, BrushInputPoint>(pt => new BrushInputPoint(pt));
TChanges changes = this.mouseInputDrawingAgent.TransactionToken.Changes;
TChanges local2 = this.CreateChanges(changes, inputPoints);
this.mouseInputDrawingAgent.TransactionToken.Changes = local2;
}
}
