public void ConvertColors(Color original, Color expectedGrey)
{
// arrange
// act
var grey = _greyScaleConvertor.ToGreyscale(original);
// assert
Assert.AreEqual(expectedGrey, grey);
}
public Tile GetTile(
Bitmap source,
int tileRowIndex,
int tileColIndex,
int tileWidth,
int tileHeight,
Color defaultBackgroundColour)
{
var tile = new Color[tileHeight, tileWidth];
var offsetStartY = tileRowIndex * tileWidth;
var offsetStartX = tileColIndex * tileHeight;
// vertical
for (var rowIndex = 0; rowIndex < tileHeight; rowIndex++)
{
// horizontal
for (var colIndex = 0; colIndex < tileWidth; colIndex++)
{
var pixelX = offsetStartX + colIndex;
var pixelY = offsetStartY + rowIndex;
if (pixelX < source.Width && pixelY < source.Height)
{
var sourceColor = source.GetPixel(pixelX, pixelY);
var greyscale = _colorConvertor.ToGreyscale(sourceColor);
tile[rowIndex, colIndex] = greyscale;
}
else
{
tile[rowIndex, colIndex] = defaultBackgroundColour;
}
}
}
return(new Tile()
{
Data = tile
});
}