private void onCalculateClick(object sender, RoutedEventArgs e)
{
tb_output.Text = "";
canvas.Children.Clear();
canvas.Visibility = Visibility.Visible;
int circleRadius;
int borderDistance;
int circleDistance;
int height;
try
{
circleRadius = Convert.ToInt32(tb_radius.Text);
borderDistance = Convert.ToInt32(tb_border_distance.Text);
circleDistance = Convert.ToInt32(tb_circle_distance.Text);
height = Convert.ToInt32(tb_height.Text);
}
catch (Exception ex)
{
tb_output.Text = ex.Message;
return;
}
if (height > PackingCircles.width)
{
tb_output.Text = "Width has to be greater than height for optimal solution.";
return;
}
canvas.Width = PackingCircles.width;
canvas.Height = height;
List <PackingCircles.Circle> circles;
try
{
circles = PackingCircles.Calculate(
circleRadius,
circleDistance,
borderDistance,
height);
} catch (Exception ex) {
tb_output.Text = ex.Message;
return;
}
tb_output.Text += "Number of circles: " + circles.Count.ToString() + "\n";
tb_output.Text += "Coordinates:\n";
foreach (PackingCircles.Circle c in circles)
{
Ellipse ellipse = createEllipse(c, height);
tb_output.Text += c.ToString() + "\n";
canvas.Children.Add(ellipse);
}
}
public void TestIsSpaceTrue()
{
int[] radius = { 10, 0, 5, 100, 20, 40, 50 };
int y = 300;
PackingCircles.borderDistance = 50;
PointF[] circleCenter =
{
new PointF(60, 60),
new PointF(450, 250),
new PointF(445, 65),
new PointF(150, 150),
new PointF(430, 230),
new PointF(410, 210),
new PointF(400, 200)
};
for (int i = 0; i < radius.Length; i++)
{
PackingCircles.radius = radius[i];
PackingCircles.distanceBetweenCircles = 0;
PackingCircles.height = y;
PackingCircles.Circle circle = new PackingCircles.Circle(
PackingCircles.radius,
PackingCircles.distanceBetweenCircles,
circleCenter[i]);
bool result = PackingCircles.IsSpace(circle);
Assert.IsTrue(result);
}
}
public void TestIsSpaceFalse()
{
int[] radius = { 10, 0, 5, 100, 20, 40, 50 };
int y = 300;
PointF[] circleCenter =
{
new PointF(0, 0),
new PointF(501, 301),
new PointF(496, 15),
new PointF(120, 220),
new PointF(480, 300),
new PointF(460, 261),
new PointF(510, 250)
};
for (int i = 0; i < radius.Length; i++)
{
PackingCircles.radius = radius[i];
PackingCircles.distanceBetweenCircles = 0;
PackingCircles.height = y;
PackingCircles.Circle circle = new PackingCircles.Circle(
PackingCircles.radius,
PackingCircles.distanceBetweenCircles,
circleCenter[i]);
bool result = PackingCircles.IsSpace(circle);
Assert.IsFalse(result);
}
}
public void TestGetTriangleHeightFloat()
{
float distanceFloat = 10.60F;
double result = PackingCircles.GetTriangleHeight(distanceFloat);
Assert.IsNotNull(result);
Assert.AreEqual(9, result);
}
public void TestGetTriangleHeightInt()
{
int distanceInt = 10;
double result = PackingCircles.GetTriangleHeight(distanceInt);
Assert.IsNotNull(result);
Assert.AreEqual(8, result);
}
public void TestGetNextCircleFirstRowFirstCircleNoSpace()
{
PackingCircles.radius = 380;
PackingCircles.distanceBetweenCircles = 0;
PackingCircles.height = 400;
PackingCircles.borderDistance = 50;
PackingCircles.Circle result = PackingCircles.GetNextCircle(null);
Assert.IsNull(result);
}
public void TestGetTriangleHeightDoubleNegativeAndZero()
{
double negativeDistance = -10;
double zeroDistance = 0;
double resultNegative = PackingCircles.GetTriangleHeight(negativeDistance);
double resultZero = PackingCircles.GetTriangleHeight(zeroDistance);
Assert.IsNotNull(resultNegative);
Assert.IsNotNull(resultZero);
Assert.AreEqual(0, resultNegative);
Assert.AreEqual(0, resultZero);
}
public void TestGetNextCircleFirstRowFirstCircleHasSpace()
{
PackingCircles.radius = 10;
PackingCircles.distanceBetweenCircles = 0;
PackingCircles.height = 400;
PackingCircles.borderDistance = 50;
PackingCircles.Circle expected = new PackingCircles.Circle(
PackingCircles.radius = 10,
PackingCircles.distanceBetweenCircles = 0,
new PointF(60, 60));
PackingCircles.Circle result = PackingCircles.GetNextCircle(null);
Assert.AreEqual(expected, result);
}
