public void then_should_return_cmyk_version_of_rgba_color_given_red()
{
// Arrange
var rgbaColor = RgbaColor.FromRgba(0xff, 0x0, 0x0);
// Act
var cmyk = (CmykColor)rgbaColor;
// Assert
Assert.That(cmyk.C, Is.EqualTo(0));
Assert.That(cmyk.M, Is.EqualTo(100));
Assert.That(cmyk.Y, Is.EqualTo(100));
Assert.That(cmyk.K, Is.EqualTo(0));
}
public void then_should_return_hsla_version_of_rgba_color_given_red()
{
// Arrange
var rgbaColor = RgbaColor.FromRgba(0xff, 0x0, 0x0);
// Act
var hslaColor = (HslaColor)rgbaColor;
// Assert
Assert.That(hslaColor.H, Is.EqualTo(0));
Assert.That(hslaColor.S, Is.EqualTo(1.0f));
Assert.That(hslaColor.L, Is.EqualTo(.5f));
Assert.That(hslaColor.A, Is.EqualTo(1.0f));
}
public RgbaColor GetRgbaPixel(Point pixelPosition)
{
RgbaColor rgbaColor;
if (this.IsGrayscale)
{
byte gray = this.DisplayImageData[pixelPosition.Y, pixelPosition.X, 0];
rgbaColor = RgbaColor.FromRgba(gray, gray, gray);
}
else
{
rgbaColor = RgbaColor.FromRgba(
this.DisplayImageData[pixelPosition.Y, pixelPosition.X, 0],
this.DisplayImageData[pixelPosition.Y, pixelPosition.X, 1],
this.DisplayImageData[pixelPosition.Y, pixelPosition.X, 2]);
}
return(rgbaColor);
}
