public void TestSetTo()
{
var image = new ImageArray(new byte[] { 1, 2, 3, 4 }, 2, 2);
var roi = image.ExtractRoi(new Int32Rect(0, 1, 2, 1));
roi.SetTo(0);
Assert.AreEqual(0, image.At(0, 1));
Assert.AreEqual(0, image.At(1, 1));
}
public void TestGetPixels()
{
var blue = new ImageArray(new byte[] { 1, 2, 3, 4 }, 2, 2);
var green = new ImageArray(new byte[] { 5, 6, 7, 8 }, 2, 2);
var red = new ImageArray(new byte[] { 11, 12, 13, 14 }, 2, 2);
var image = blue.Merge(green, red);
var pixels = image.CopyPixels();
Assert.AreEqual(12, pixels.Length);
Assert.AreEqual(blue.At(0, 0), pixels[0]);
Assert.AreEqual(green.At(0, 0), pixels[1]);
Assert.AreEqual(red.At(0, 0), pixels[2]);
}
private byte[] Resize(ImageArray someImage, int newWidth, int newHeight)
{
byte[] newBytes = new byte[newWidth * newHeight];
for (int column = 0; column < newWidth; column++)
{
for (int row = 0; row < newHeight; row++)
{
var originalX = Math.Floor((someImage.Columns / (double)newWidth) * column);
var originalY = Math.Floor((someImage.Rows / (double)newHeight) * row);
newBytes[row * newWidth + column] = someImage.At((int)originalX, (int)originalY);
}
}
return(newBytes);
}
