public void Black_is_transformed_to_first_color_In_byte_array()
{
Color c1 = Color.FromArgb(unchecked ((int)0xFF_FF_FF_00));
Color c2 = Color.FromArgb(unchecked ((int)0xFF_00_FF_00));
var transformation = new ColorSchemeTransformation(c1.ToHsv(), c2.ToHsv());
var rgbValues = new byte[] { 0x00, 0x00, 0x00, 0xFF };
transformation.Transform(rgbValues, 0);
var expectedTransformed = new byte[] { 0xFF, 0xFF, 0x00, 0xFF };
Assert.That(rgbValues, Is.EquivalentTo(expectedTransformed));
}
public void Brightness_adaptation_Interpolates_hue_saturation_and_value(
[Values(0f, 0.5f, 1f)] float v,
[Values(90f)] float c1h,
[Values(-30f, 30f)] float dh)
{
HsvColor c1 = new HsvColor(c1h, 1f, 1f);
HsvColor c2 = new HsvColor(c1h + dh, 1f, 1f);
var transformation = new ColorSchemeTransformation(c1, c2);
var sourceColor = new HsvColor(0, 0, v);
var resultColor = transformation.Transform(sourceColor);
Assert.That(resultColor.H, Is.EqualTo(c1.H + v * (c2.H - c1.H)).Within(0.01f));
Assert.That(resultColor.S, Is.EqualTo(c1.S + v * (c2.S - c1.S)).Within(0.01f));
Assert.That(resultColor.V, Is.EqualTo(c1.V + v * (c2.V - c1.V)).Within(0.01f));
}