public void TestRectangleF2DOutsideTransforms()
{
RectangleF2D rectangle = new RectangleF2D(0, 0, 1, 1);
double[] converted = rectangle.TransformFrom(100, 100, false, false,
new double[] { -100, -100 });
Assert.AreEqual(2, converted.Length);
Assert.AreEqual(-1, converted [0]);
Assert.AreEqual(-1, converted [1]);
double[] convertedBack = rectangle.TransformTo(100, 100, false, false,
converted);
Assert.AreEqual(2, convertedBack.Length);
Assert.AreEqual(-100, convertedBack [0]);
Assert.AreEqual(-100, convertedBack [1]);
}
public void TestRectangleF2DOverlaps()
{
double delta = 0.00001;
RectangleF2D rectangle = new RectangleF2D(1, 1, System.Math.Sqrt(2) * 2,
System.Math.Sqrt(2) * 2, 45);
double[] converted = rectangle.TransformFrom(100, 100, false, false,
new double[] { 25, 75 });
Assert.AreEqual(2, converted.Length);
Assert.AreEqual(3, converted[0], delta);
Assert.AreEqual(2, converted[1], delta);
double[] convertedBack = rectangle.TransformTo(100, 100, false, false,
converted);
Assert.AreEqual(2, convertedBack.Length);
Assert.AreEqual(25, convertedBack[0], delta);
Assert.AreEqual(75, convertedBack[1], delta);
Assert.IsFalse(rectangle.Overlaps(new BoxF2D(5, 3, 6, 4)));
Assert.IsTrue(rectangle.Overlaps(new BoxF2D(3.5, 1.5, 4.5, 2.5)));
Assert.IsTrue(rectangle.Overlaps(new BoxF2D(2, 0.5, 3, 1.5)));
Assert.IsTrue(rectangle.Overlaps(new BoxF2D(0, -2, 4, 6)));
Assert.IsTrue(rectangle.Overlaps(new BoxF2D(4, -2, 6, 4)));
Assert.IsTrue(rectangle.Overlaps(new BoxF2D(1.5, -2, 2.5, 4)));
}
/// <summary>
/// Returns the coordinates represented by the given pixel in the given viewport.
/// </summary>
/// <param name="pixelX"></param>
/// <param name="pixelY"></param>
/// <param name="pixelsWidth"></param>
/// <param name="pixelsHeight"></param>
/// <returns></returns>
public double[] FromViewPort(double pixelsWidth, double pixelsHeight, double pixelX, double pixelY)
{ // assumed that the coordinate system of the viewport starts at (0,0) in the topleft corner and increases to
return(_rectangle.TransformFrom(pixelsWidth, pixelsHeight, _invertX, _invertY, pixelX, pixelY));
}
public void TestRectangleF2DNoDirection()
{
RectangleF2D rectangle = new RectangleF2D(0, 0, 1, 1);
Assert.AreEqual(0, rectangle.BottomLeft[0]);
Assert.AreEqual(0, rectangle.BottomLeft[1]);
Assert.AreEqual(1, rectangle.BottomRight[0]);
Assert.AreEqual(0, rectangle.BottomRight[1]);
Assert.AreEqual(0, rectangle.TopLeft[0]);
Assert.AreEqual(1, rectangle.TopLeft[1]);
Assert.AreEqual(1, rectangle.TopRight[0]);
Assert.AreEqual(1, rectangle.TopRight[1]);
Assert.AreEqual(0, rectangle.Angle.Value);
BoxF2D box = rectangle.BoundingBox;
Assert.AreEqual(0, box.Min[0]);
Assert.AreEqual(0, box.Min[1]);
Assert.AreEqual(1, box.Max[0]);
Assert.AreEqual(1, box.Max[1]);
Assert.IsTrue(rectangle.Contains(0.25, 0.75));
Assert.IsFalse(rectangle.Contains(1.2, 0.25));
Assert.IsFalse(rectangle.Contains(0.25, 1.2));
Assert.IsTrue(rectangle.Contains(new PointF2D(0.25, 0.75)));
Assert.IsFalse(rectangle.Contains(new PointF2D(1.2, 0.25)));
Assert.IsFalse(rectangle.Contains(new PointF2D(0.25, 1.2)));
Assert.AreEqual(1, rectangle.Distance(new PointF2D(2, 0)));
Assert.AreEqual(0, rectangle.Distance(new PointF2D(1, 0)));
Assert.AreEqual(1, rectangle.Distance(new PointF2D(0, 2)));
Assert.AreEqual(0, rectangle.Distance(new PointF2D(0, 1)));
Assert.AreEqual(1, rectangle.Distance(new PointF2D(-1, 0.5)));
Assert.AreEqual(0, rectangle.Distance(new PointF2D(0, 0.5)));
Assert.AreEqual(1, rectangle.Height);
Assert.AreEqual(1, rectangle.Width);
double[] converted = rectangle.TransformFrom(100, 100, false, false,
new double[] { 25, 75 });
Assert.AreEqual(2, converted.Length);
Assert.AreEqual(0.25, converted [0]);
Assert.AreEqual(0.75, converted [1]);
double[] convertedBack = rectangle.TransformTo(100, 100, false, false,
converted);
Assert.AreEqual(2, convertedBack.Length);
Assert.AreEqual(25, convertedBack [0]);
Assert.AreEqual(75, convertedBack [1]);
converted = rectangle.TransformFrom(100, 100, false, true,
new double[] { 25, 75 });
Assert.AreEqual(2, converted.Length);
Assert.AreEqual(0.25, converted [0]);
Assert.AreEqual(0.25, converted [1]);
convertedBack = rectangle.TransformTo(100, 100, false, false,
converted);
Assert.AreEqual(2, convertedBack.Length);
Assert.AreEqual(25, convertedBack [0]);
Assert.AreEqual(25, convertedBack [1]);
converted = rectangle.TransformFrom(100, 100, true, false,
new double[] { 25, 75 });
Assert.AreEqual(2, converted.Length);
Assert.AreEqual(0.75, converted [0]);
Assert.AreEqual(0.75, converted [1]);
convertedBack = rectangle.TransformTo(100, 100, false, false,
converted);
Assert.AreEqual(2, convertedBack.Length);
Assert.AreEqual(75, convertedBack [0]);
Assert.AreEqual(75, convertedBack [1]);
converted = rectangle.TransformFrom(100, 100, true, true,
new double[] { 25, 75 });
Assert.AreEqual(2, converted.Length);
Assert.AreEqual(0.75, converted [0]);
Assert.AreEqual(0.25, converted [1]);
convertedBack = rectangle.TransformTo(100, 100, false, false,
converted);
Assert.AreEqual(2, convertedBack.Length);
Assert.AreEqual(75, convertedBack [0]);
Assert.AreEqual(25, convertedBack [1]);
}
public void TestRectangleF2DDirection()
{
double delta = 0.00001;
RectangleF2D rectangle = new RectangleF2D(1, 1, System.Math.Sqrt(2) * 2,
System.Math.Sqrt(2) * 2, 45);
Assert.AreEqual(45, rectangle.Angle.Value, delta);
double[] converted = rectangle.TransformFrom(100, 100, false, false,
new double[] { 25, 75 });
Assert.AreEqual(2, converted.Length);
Assert.AreEqual(3, converted [0], delta);
Assert.AreEqual(2, converted [1], delta);
double[] convertedBack = rectangle.TransformTo(100, 100, false, false,
converted);
Assert.AreEqual(2, convertedBack.Length);
Assert.AreEqual(25, convertedBack [0], delta);
Assert.AreEqual(75, convertedBack [1], delta);
converted = rectangle.TransformFrom(100, 100, true, false,
new double[] { 25, 75 });
Assert.AreEqual(2, converted.Length);
Assert.AreEqual(4, converted [0], delta);
Assert.AreEqual(1, converted [1], delta);
convertedBack = rectangle.TransformTo(100, 100, true, false,
converted);
Assert.AreEqual(2, convertedBack.Length);
Assert.AreEqual(25, convertedBack [0], delta);
Assert.AreEqual(75, convertedBack [1], delta);
converted = rectangle.TransformFrom(100, 100, false, true,
new double[] { 25, 75 });
Assert.AreEqual(2, converted.Length);
Assert.AreEqual(2, converted [0], delta);
Assert.AreEqual(1, converted [1], delta);
convertedBack = rectangle.TransformTo(100, 100, false, true,
converted);
Assert.AreEqual(2, convertedBack.Length);
Assert.AreEqual(25, convertedBack [0], delta);
Assert.AreEqual(75, convertedBack [1], delta);
converted = rectangle.TransformFrom(100, 100, true, true,
new double[] { 25, 75 });
Assert.AreEqual(2, converted.Length);
Assert.AreEqual(3, converted [0], delta);
Assert.AreEqual(0, converted [1], delta);
convertedBack = rectangle.TransformTo(100, 100, true, true,
converted);
Assert.AreEqual(2, convertedBack.Length);
Assert.AreEqual(25, convertedBack [0], delta);
Assert.AreEqual(75, convertedBack [1], delta);
rectangle = new RectangleF2D(new PointF2D(1, 1), System.Math.Sqrt(2) * 2,
System.Math.Sqrt(2) * 2, new VectorF2D(1, 1));
converted = rectangle.TransformFrom(100, 100, false, false,
new double[] { 25, 75 });
Assert.AreEqual(2, converted.Length);
Assert.AreEqual(3, converted[0], delta);
Assert.AreEqual(2, converted[1], delta);
convertedBack = rectangle.TransformTo(100, 100, false, false,
converted);
Assert.AreEqual(2, convertedBack.Length);
Assert.AreEqual(25, convertedBack[0], delta);
Assert.AreEqual(75, convertedBack[1], delta);
converted = rectangle.TransformFrom(100, 100, true, false,
new double[] { 25, 75 });
Assert.AreEqual(2, converted.Length);
Assert.AreEqual(4, converted[0], delta);
Assert.AreEqual(1, converted[1], delta);
convertedBack = rectangle.TransformTo(100, 100, true, false,
converted);
Assert.AreEqual(2, convertedBack.Length);
Assert.AreEqual(25, convertedBack[0], delta);
Assert.AreEqual(75, convertedBack[1], delta);
converted = rectangle.TransformFrom(100, 100, false, true,
new double[] { 25, 75 });
Assert.AreEqual(2, converted.Length);
Assert.AreEqual(2, converted[0], delta);
Assert.AreEqual(1, converted[1], delta);
convertedBack = rectangle.TransformTo(100, 100, false, true,
converted);
Assert.AreEqual(2, convertedBack.Length);
Assert.AreEqual(25, convertedBack[0], delta);
Assert.AreEqual(75, convertedBack[1], delta);
converted = rectangle.TransformFrom(100, 100, true, true,
new double[] { 25, 75 });
Assert.AreEqual(2, converted.Length);
Assert.AreEqual(3, converted[0], delta);
Assert.AreEqual(0, converted[1], delta);
convertedBack = rectangle.TransformTo(100, 100, true, true,
converted);
Assert.AreEqual(2, convertedBack.Length);
Assert.AreEqual(25, convertedBack[0], delta);
Assert.AreEqual(75, convertedBack[1], delta);
}