public void GenerateRandomPixels_ShouldGeneratePixles_ListOfPixelsWithCertainLength()
{
//Arrange
PixelHandler pixelHandler = new PixelHandler();
int heightOfImage = pixelHandler.HeightOfImage;
int widthOfImage = pixelHandler.WidthOfImage;
int totalLength = heightOfImage * widthOfImage;
List <Color> listOfRandomPixels = new List <Color>();
//Act
listOfRandomPixels = pixelHandler.GenerateRandomPixels();
//Assert
Assert.AreEqual(totalLength, listOfRandomPixels.Count);
}
public void PerPixelInArea(Rectangle area, PixelHandler pixelHandler)
{
if (area.X + area.Width > PixelWidth)
{
throw new ArgumentException($"Requested Rectangle {area} does not fit into the bounds of the bitmap width {PixelWidth}");
}
if (area.Y + area.Height > PixelHeight)
{
throw new ArgumentException($"Requested Rectangle {area} does not fit into the bounds of the bitmap height {PixelHeight}");
}
var pixelExtractor = PixelColorExtractor.Create(PixelFormat);
int pixelWidth = area.X;
int pixelHeight = area.Y;
int pixelFinalWidth = (area.X + area.Width);
int byteIndex = PixelXYToByteIndex(area.X, area.Y);
int byteFinalIndex = PixelXYToByteIndex(0, area.Y + area.Height);
int A = 255;
int R = 255;
int G = 255;
int B = 255;
while (byteIndex < byteFinalIndex)
{
pixelExtractor.ExtractPixelBytesToColor(RawPixelBytes, byteIndex, ref A, ref R, ref G, ref B);
pixelHandler?.Invoke(pixelWidth - area.X, pixelHeight - area.Y, A, R, G, B);
pixelWidth++;
if (pixelWidth >= pixelFinalWidth)
{
pixelWidth = area.X;
pixelHeight++;
}
byteIndex = PixelXYToByteIndex(pixelWidth, pixelHeight);
A = 255;
R = 255;
G = 255;
B = 255;
}
}
public void SortPixelsByHue_SortPixelsInAscendingOrder_SortedPixels()
{
//Arrange
List <Color> listOfPixelsToBeSorted = new List <Color>();
List <Color> listOfPixelsExpected = new List <Color>();
List <Color> listOfPixelsActual = new List <Color>();
listOfPixelsToBeSorted.Add(Color.FromArgb(100, 0, 255, 255));
listOfPixelsToBeSorted.Add(Color.FromArgb(100, 0, 255, 0));
listOfPixelsToBeSorted.Add(Color.FromArgb(100, 0, 0, 255));
listOfPixelsToBeSorted.Add(Color.FromArgb(100, 255, 191, 0));
listOfPixelsToBeSorted.Add(Color.FromArgb(100, 255, 64, 0));
listOfPixelsToBeSorted.Add(Color.FromArgb(100, 64, 0, 255));
listOfPixelsToBeSorted.Add(Color.FromArgb(100, 0, 255, 64));
listOfPixelsToBeSorted.Add(Color.FromArgb(100, 0, 255, 128));
listOfPixelsToBeSorted.Add(Color.FromArgb(100, 0, 128, 255));
listOfPixelsToBeSorted.Add(Color.FromArgb(100, 191, 255, 0));
listOfPixelsExpected.Add(Color.FromArgb(100, 255, 64, 0));
listOfPixelsExpected.Add(Color.FromArgb(100, 255, 191, 0));
listOfPixelsExpected.Add(Color.FromArgb(100, 191, 255, 0));
listOfPixelsExpected.Add(Color.FromArgb(100, 0, 255, 0));
listOfPixelsExpected.Add(Color.FromArgb(100, 0, 255, 64));
listOfPixelsExpected.Add(Color.FromArgb(100, 0, 255, 128));
listOfPixelsExpected.Add(Color.FromArgb(100, 0, 255, 255));
listOfPixelsExpected.Add(Color.FromArgb(100, 0, 128, 255));
listOfPixelsExpected.Add(Color.FromArgb(100, 0, 0, 255));
listOfPixelsExpected.Add(Color.FromArgb(100, 64, 0, 255));
PixelHandler pixelHandler = new PixelHandler();
//Act
listOfPixelsActual = pixelHandler.SortPixelsByHue(listOfPixelsToBeSorted);
//Assert
CollectionAssert.AreEqual(listOfPixelsExpected, listOfPixelsActual);
}
public void PerPixel(PixelHandler pixelHandler)
{
PerPixelInArea(new Rectangle(0, 0, PixelWidth, PixelHeight), pixelHandler);
}
