public void ClampedColor_MultiplySaturationBy2ToOverSaturateThenDivideBy2_ReturnsOriginalColor()
{
var sourceColor = HexRgbUtil.HexStringToColor("2b6ca2", "rrggbb");
var color = new ClampedColor(sourceColor);
color.Saturation *= 2;
Console.WriteLine(color.ToString());
color.Saturation /= 2;
Console.WriteLine(color.ToString());
Assert.That(color.Saturation, Is.EqualTo(0.5).Within(0.0000001));
}
public void Color_ClampingManuallyOverSaturatedColor_ReturnsUnchangedHue()
{
var sourceColor = HexRgbUtil.HexStringToColor("2b6ca2", "rrggbb");
var color = new Color(sourceColor);
color.Saturation *= 2;
Console.WriteLine(color.ToString());
color.ClampExceedingColors();
Console.WriteLine(color.ToString());
Assert.That(color.Hue, Is.EqualTo(sourceColor.Hue).Within(0.000001));
}
public void Color_MultiplySaturationBy2ToOverSaturateThenDivideBy2_ReturnsOriginalColor()
{
var sourceColor = HexRgbUtil.HexStringToColor("2b6ca2", "rrggbb");
var color = new Color(sourceColor);
color.Saturation *= 2;
Console.WriteLine(color.ToString());
color.Saturation /= 2;
Console.WriteLine(color.ToString());
Assert.True(color.Equals(sourceColor));
}
/// <summary>
/// Converts RGB hex string to Color. Applies padding to short strings by the color scheme padding rules.
/// </summary>
/// <param name="rgbString"></param>
/// <param name="formats"></param>
/// <returns></returns>
/// <exception cref="Exception"></exception>
public static Color PaddableHexStringToColor(string rgbString, IEnumerable <PaddableHexFormat> formats)
{
foreach (var format in formats)
{
string rgbHexFormat = format.HexFormat;
if (format.Padding != null && format.Padding.Length != format.HexFormat.Length)
{
throw new Exception("RGB hex string misconfiguration: " + format.HexFormat + " with padding " +
format.Padding);
}
if (HexRgbUtil.IsValidHexString(rgbString) && rgbString.Length <= rgbHexFormat.Length)
{
if (rgbString.Length < rgbHexFormat.Length)
{
if (format.PaddingDirection == PaddingDirection.Left ||
format.PaddingDirection == PaddingDirection.Right)
{
switch (format.PaddingDirection)
{
case PaddingDirection.Left:
rgbString = rgbString.PadLeft(format.Padding);
break;
case PaddingDirection.Right:
rgbString = rgbString.PadRight(format.Padding);
break;
}
}
}
if (rgbString.Length == rgbHexFormat.Length)
{
return(HexRgbUtil.HexStringToColor(rgbString, rgbHexFormat));
}
}
}
throw new Exception("Invalid color string: " + rgbString);
}
