private static void Test_Values(ConvolveMatrix matrix)
{
Assert.AreEqual(0.0, matrix.GetValue(0, 0));
Assert.AreEqual(1.0, matrix.GetValue(1, 0));
Assert.AreEqual(2.0, matrix.GetValue(2, 0));
Assert.AreEqual(0.1, matrix.GetValue(0, 1));
Assert.AreEqual(1.1, matrix.GetValue(1, 1));
Assert.AreEqual(2.1, matrix.GetValue(2, 1));
Assert.AreEqual(0.2, matrix.GetValue(0, 2));
Assert.AreEqual(1.2, matrix.GetValue(1, 2));
Assert.AreEqual(2.2, matrix.GetValue(2, 2));
}
public void Test_Constructor()
{
ExceptionAssert.Throws<ArgumentException>(delegate ()
{
new ConvolveMatrix(-1);
});
ExceptionAssert.Throws<ArgumentException>(delegate ()
{
new ConvolveMatrix(6);
});
new ConvolveMatrix(1);
ExceptionAssert.Throws<ArgumentException>(delegate ()
{
new ConvolveMatrix(2, 1.0);
});
ConvolveMatrix matrix = new ConvolveMatrix(3,
0.0, 1.0, 2.0,
0.1, 1.1, 2.1,
0.2, 1.2, 2.2);
Test_Values(matrix);
ExceptionAssert.Throws<ArgumentException>(delegate ()
{
new ConvolveMatrix(2, null);
});
matrix = new ConvolveMatrix(3, new double[]
{
0.0, 1.0, 2.0,
0.1, 1.1, 2.1,
0.2, 1.2, 2.2
});
Test_Values(matrix);
}
public void Test_Convolve()
{
using (MagickImage image = new MagickImage("xc:", 1, 1))
{
image.BorderColor = MagickColors.Black;
image.Border(5);
Assert.AreEqual(11, image.Width);
Assert.AreEqual(11, image.Height);
ConvolveMatrix matrix = new ConvolveMatrix(3, 0, 0.5, 0, 0.5, 1, 0.5, 0, 0.5, 0);
image.Convolve(matrix);
MagickColor gray = new MagickColor("#800080008000");
ColorAssert.AreEqual(MagickColors.Black, image, 4, 4);
ColorAssert.AreEqual(gray, image, 5, 4);
ColorAssert.AreEqual(MagickColors.Black, image, 6, 4);
ColorAssert.AreEqual(gray, image, 4, 5);
ColorAssert.AreEqual(MagickColors.White, image, 5, 5);
ColorAssert.AreEqual(gray, image, 6, 5);
ColorAssert.AreEqual(MagickColors.Black, image, 4, 6);
ColorAssert.AreEqual(gray, image, 5, 6);
ColorAssert.AreEqual(MagickColors.Black, image, 6, 6);
}
}
