/// <summary>
/// Initializes a new instance of the SnapshotHistgramVerifier class, with the tolerance histogram curve initialized to the specified tolerance value.
/// </summary>
/// <param name="tolerance">The tolerance Histogram to use for verification.</param>
public SnapshotHistogramVerifier(Histogram tolerance)
{
this.Tolerance = tolerance;
}
/// <summary>
/// Verifies a diffed image based on the number of pixels of a given brightness per color.
/// A tolerance Histogram curve can be created from an XML file, produced from a reference image, or manually created for use as a tolerance.
/// </summary>
/// <param name="image">The actual Snapshot to be verified.</param>
/// <returns>A VerificationResult enumeration value based on the image, the expected color, and the tolerance.</returns>
public override VerificationResult Verify(Snapshot image)
{
Histogram actual = Histogram.FromSnapshot(image);
return((actual.IsLessThan(Tolerance)) ? VerificationResult.Pass : VerificationResult.Fail);
}
/// <summary>
/// Initializes a new instance of the SnapshotHistgramVerifier class, with the tolerance histogram curve initialized to zero tolerance for non-black values.
/// </summary>
public SnapshotHistogramVerifier()
{
Tolerance = new Histogram();
}
