public void IndexingTest()
{
// Arrange
FileStream pngStream = new FileStream("half.png", FileMode.Open, FileAccess.Read);
int[] indexes = new int[] { 0, 1, 12, 37, 56, 132, 200 };
// Act
var image = new Bitmap(pngStream);
TempDoubleImageFormat test3d = new TempDoubleImageFormat(ReadTo3DDoubles(image));
TempDoubleImageFormat test1d = new TempDoubleImageFormat(ReadTo1DDoubles(image), image.Width, image.Height, 3);
// Assert
for (int x = 0; x < indexes.Length; x++)
{
for (int y = 0; y < indexes.Length; y++)
{
double[] pixel3d = test3d.GetPixelChannels(x, y);
double[] pixel1d = test1d.GetPixelChannels(x, y);
CollectionAssert.AreEqual(pixel3d, pixel1d, $"Pixels at {x} x {y} should be equal");
}
}
}
public void CheckThatRawContentWorks()
{
// Arrange
FileStream pngStream = new FileStream("half.png", FileMode.Open, FileAccess.Read);
// Act
var image = new Bitmap(pngStream);
double[] doubles1d = ReadTo1DDoubles(image);
TempDoubleImageFormat test1d_1 = new TempDoubleImageFormat(doubles1d, image.Width, image.Height, 3, createCopy: true);
// Assert
Assert.Greater(doubles1d.Length, 1000, "There should be some bytes in image data");
CollectionAssert.AreEqual(doubles1d, test1d_1.GetRawContent());
}
/// <summary>
/// Constructor for temp double image format
/// </summary>
/// <param name="input">Existing TempDoubleImageFormat</param>
public TempDoubleImageFormat(TempDoubleImageFormat input)
{
if (input.content1d != null)
{
this.content1d = input.content1d;
this.content3d = null;
}
else
{
this.content3d = input.content3d;
this.content1d = null;
}
this.width = input.width;
this.height = input.height;
this.channelsPerPixel = input.channelsPerPixel;
}
public void LoadTest1d()
{
// Arrange
FileStream pngStream = new FileStream("half.png", FileMode.Open, FileAccess.Read);
// Act
var image = new Bitmap(pngStream);
Color firstColor = image.GetPixel(0, 0);
TempDoubleImageFormat test = new TempDoubleImageFormat(ReadTo1DDoubles(image), image.Width, image.Height, 3);
double[] firstPixel = test.GetPixelChannels(0, 0);
// Assert
Assert.AreEqual(firstColor.R / byteMax, firstPixel[0]);
Assert.AreEqual(firstColor.G / byteMax, firstPixel[1]);
Assert.AreEqual(firstColor.B / byteMax, firstPixel[2]);
}
public void CheckThat1dCopyWorks()
{
// Arrange
FileStream pngStream = new FileStream("half.png", FileMode.Open, FileAccess.Read);
// Act
var image = new Bitmap(pngStream);
double[] doubles1d = ReadTo1DDoubles(image);
TempDoubleImageFormat test1d_1 = new TempDoubleImageFormat(doubles1d, image.Width, image.Height, 3, createCopy: false);
TempDoubleImageFormat test1d_2 = new TempDoubleImageFormat(doubles1d, image.Width, image.Height, 3, createCopy: true);
doubles1d[0] = 0.0;
double[] firstPixel1 = test1d_1.GetPixelChannels(0, 0);
double[] firstPixel2 = test1d_2.GetPixelChannels(0, 0);
// Assert
Assert.AreEqual(0.0, firstPixel1[0]);
Assert.AreNotEqual(0.0, firstPixel2[0]);
}
