/// <summary>
/// Access value at pixel
/// </summary>
/// <param name="pixel">Pixel</param>
/// <returns>Value at pixel</returns>
public T this[System.Drawing.Point pixel] {
get {
return(_data[IndexHelper.ArrayIndexFromPixel(pixel, _size)]);
}
set {
_data[IndexHelper.ArrayIndexFromPixel(pixel, _size)] = value;
}
}
/// <summary>
/// Test was set previously.
/// </summary>
/// <remarks>Uses comparison with default(T).</remarks>
/// <param name="pixel">Pixel</param>
/// <returns>True if pixel-value was set previously</returns>
public bool IsSet(System.Drawing.Point pixel)
{
return(!EqualityComparer <T> .Default.Equals(
_data[IndexHelper.ArrayIndexFromPixel(pixel, _size)],
default(T)));
}