public void ConvertTest2()
{
// Create a matrix representation
// of a 4x4 image with a inner 2x2
// square drawn in the middle
double[,] pixels =
{
{ 0, 0, 0, 0 },
{ 0, 1, 1, 0 },
{ 0, 1, 1, 0 },
{ 0, 0, 0, 0 },
};
// Create the converter to convert the matrix to a image
var conv = new MatrixToBitmapSource();
// Declare a bitmap source and store the pixels on it
BitmapSource image; conv.Convert(pixels, out image);
var conv2 = new MatrixToImage();
Bitmap image2; conv2.Convert(pixels, out image2);
Assert.AreEqual(pixels, image.ToMatrix(0));
Assert.AreEqual(pixels, image2.ToMatrix(0));
Assert.AreEqual(PixelFormats.Gray32Float, image.Format);
Assert.AreEqual(System.Drawing.Imaging.PixelFormat.Format8bppIndexed, image2.PixelFormat);
}
public void ConvertTest2()
{
// Load a test image
BitmapSource sourceImage = TestTools.GetImage("image1.bmp");
// Make sure values are binary
sourceImage = new Threshold().Apply(sourceImage);
// Create the converters
var imageToMatrix = new BitmapSourceToMatrix();
var matrixToImage = new MatrixToBitmapSource();
// Convert to matrix
double[,] matrix; // initialization is not needed
imageToMatrix.Convert(sourceImage, out matrix);
// Revert to image
BitmapSource resultImage; // initialization is not needed
matrixToImage.Convert(matrix, out resultImage);
Assert.AreEqual(PixelFormats.Gray32Float, resultImage.Format);
UnmanagedImage img1 = sourceImage.ToUnmanagedImage();
UnmanagedImage img2 = resultImage.ToUnmanagedImage();
List <IntPoint> p1 = img1.CollectActivePixels();
List <IntPoint> p2 = img2.CollectActivePixels();
bool equals = new HashSet <IntPoint>(p1).SetEquals(p2);
Assert.IsTrue(equals);
}
public void ConvertTest1()
{
var target = new MatrixToBitmapSource();
double[,] pixels =
{
{ 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 }, // 0
{ 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 }, // 1
{ 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 0, 0 }, // 2
{ 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 }, // 3
{ 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 }, // 4
{ 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 }, // 5
{ 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 }, // 6
{ 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 }, // 7
{ 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 }, // 8
{ 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 }, // 9
{ 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 }, // 10
{ 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 }, // 11new Bitmap(Properties
{ 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 }, // 12
{ 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 0, 0 }, // 13
{ 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 }, // 14
{ 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 }, // 15
};
BitmapSource imageActual = pixels.ToBitmapSource();
double[,] actual = imageActual.ToMatrix(0);
BitmapSource imageSourceExpected = TestTools.GetImage("image1.bmp");
Bitmap imageExpected = imageSourceExpected.ToBitmap();
new Threshold().ApplyInPlace(imageExpected);
new Invert().ApplyInPlace(imageExpected);
double[,] expected = imageExpected.ToMatrix(0);
for (int i = 0; i < pixels.GetLength(0); i++)
{
for (int j = 0; j < pixels.GetLength(1); j++)
{
Assert.AreEqual(actual[i, j], expected[i, j]);
}
}
}
public void ConvertTest()
{
var target = new MatrixToBitmapSource();
byte[,] input =
{
{ 0, 0, 0 },
{ 0, 128, 0 },
{ 0, 0, 128 },
};
UnmanagedImage bitmap = input.ToBitmapSource().ToUnmanagedImage();
var pixels = bitmap.CollectActivePixels();
Assert.AreEqual(2, pixels.Count);
Assert.IsTrue(pixels.Contains(new IntPoint(1, 1)));
Assert.IsTrue(pixels.Contains(new IntPoint(2, 2)));
}
