private static void SnapMouseCanvasPoints(ShapeSnappingOption snappingOption, PointDouble startPoint, PointDouble endPoint, out PointDouble snappedStartPoint, out PointDouble snappedEndPoint)
{
switch (snappingOption)
{
case ShapeSnappingOption.None:
snappedStartPoint = startPoint;
snappedEndPoint = endPoint;
return;
case ShapeSnappingOption.RectangleCorners:
SnapMouseCanvasCoordinatesToRectangleCorners(startPoint, endPoint, out snappedStartPoint, out snappedEndPoint);
return;
case ShapeSnappingOption.PixelCenters:
snappedStartPoint = PointDouble.Truncate(startPoint) + new VectorDouble(0.5, 0.5);
snappedEndPoint = PointDouble.Truncate(endPoint) + new VectorDouble(0.5, 0.5);
return;
}
throw ExceptionUtil.InvalidEnumArgumentException <ShapeSnappingOption>(snappingOption, "snappingOption");
}
public ShapeOptions(ShapeConstraintOption constraint = 1, ShapeElideOption elide = 2, ShapeTransformOption transform = 2, ShapeSnappingOption snapping = 1)
{
this.Constraint = constraint;
this.Elide = elide;
this.Transform = transform;
this.Snapping = snapping;
}