internal double CalculateAngle(Point startPoint,
Point endPoint,
Constants.LineDirection direction)
{
var geoStartPoint = new Geometry.Shapes.Point(startPoint.X,
startPoint.Y);
var geoEndPoint = new Geometry.Shapes.Point(endPoint.X,
endPoint.Y);
var line = new Line(geoStartPoint,
geoEndPoint,
direction);
return line.AngleToXAxis.Degrees;
}
public void CalculateIsLargeArcReturnsFalseForCounterClockwiseAndStartTest()
{
var circle = new Circle(10.0,
10.0,
10);
var startPoint = new Geometry.Shapes.Point(20.0,
10.0);
var endPoint = new Geometry.Shapes.Point(0.0,
10.0);
var segment = new TurnCircleArcSegment(circle,
Constants.TurnDirection.Counterclockwise,
Constants.CircleOrigin.Start,
startPoint,
endPoint);
Assert.False(m_Helper.CalculateIsLargeArc(segment));
}
public void SegmentToArcSegmentForTurnDirectionCounterClockwiseCaseOneTest()
{
var helper = new PathSegmentHelper(new GeometryPointToWindowsPointConverter());
var circle = new Circle(new Geometry.Shapes.Point(350.0,
490.0),
30.0);
var startPoint = new Geometry.Shapes.Point(327.639320225002,
510.0);
var endPoint = new Geometry.Shapes.Point(350.0,
520.0);
var segment = new TurnCircleArcSegment(circle,
Constants.TurnDirection.Counterclockwise,
Constants.CircleOrigin.Finish,
startPoint,
endPoint);
ArcSegment actual = helper.SegmentToArcSegment(segment);
Assert.AreEqual(new Point(400,
1430),
actual.Point,
"Point");
Assert.AreEqual(new Size(30.0,
30.0),
actual.Size,
"Size");
Assert.AreEqual(SweepDirection.Counterclockwise,
actual.SweepDirection,
"SweepDirection");
Assert.True(actual.IsLargeArc,
"IsLargeArc");
}
public void SegmentToArcSegmentForTurnDirectionCounterClockwiseTest()
{
var circle = new Circle(10.0,
10.0,
10);
var startPoint = new Geometry.Shapes.Point(20.0,
10.0);
var endPoint = new Geometry.Shapes.Point(0.0,
10.0);
var segment = new TurnCircleArcSegment(circle,
Constants.TurnDirection.Counterclockwise,
Constants.CircleOrigin.Start,
startPoint,
endPoint);
ArcSegment actual = m_Helper.SegmentToArcSegment(segment);
Assert.AreEqual(m_Point,
actual.Point,
"Point");
Assert.AreEqual(new Size(10.0,
10.0),
actual.Size,
"Size");
Assert.AreEqual(SweepDirection.Counterclockwise,
actual.SweepDirection,
"SweepDirection");
Assert.False(actual.IsLargeArc,
"IsLargeArc");
}
public void PointRelativeToOriginTest()
{
var point = new Geometry.Shapes.Point(10.0,
10.0);
Point actual = m_Helper.PointRelativeToOrigin(point);
Assert.AreEqual(m_Point,
actual);
}
