static string OverlayColor(string color1, string color2)
{
Colorer.StringToARGB(color1, out byte alpha1, out byte red1, out byte green1, out byte blue1);
Colorer.StringToARGB(color2, out byte alpha2, out byte red2, out byte green2, out byte blue2);
red1 = (byte)((red1 * alpha1 / 255) + (red2 * alpha2 * (255 - alpha1) / (255 * 255)));
green1 = (byte)((green1 * alpha1 / 255) + (green2 * alpha2 * (255 - alpha1) / (255 * 255)));
blue1 = (byte)((blue1 * alpha1 / 255) + (blue2 * alpha2 * (255 - alpha1) / (255 * 255)));
alpha1 = (byte)(alpha1 + (alpha2 * (255 - alpha1) / 255));
return(Colorer.ARGBToString(alpha1, red1, green1, blue1));
}
static string AddColor(string color1, string color2)
{
Colorer.StringToARGB(color1, out var alpha1, out var red1, out var green1, out var blue1);
Colorer.StringToARGB(color2, out var alpha2, out var red2, out var green2, out var blue2);
alpha1 = (byte)Math.Max(0, Math.Min(alpha1 + alpha2, 255));
red1 = (byte)Math.Max(0, Math.Min(red1 + red2, 255));
green1 = (byte)Math.Max(0, Math.Min(green1 + green2, 255));
blue1 = (byte)Math.Max(0, Math.Min(blue1 + blue2, 255));
return(Colorer.ARGBToString(alpha1, red1, green1, blue1));
}
static string AdjustColor(string color, double multiplier, bool doAlpha, bool doRed, bool doGreen, bool doBlue)
{
Colorer.StringToARGB(color, out var alpha, out var red, out var green, out var blue);
if (doAlpha)
{
alpha = (byte)Math.Max(0, Math.Min((int)(alpha * multiplier + 0.5), 255));
}
if (doRed)
{
red = (byte)Math.Max(0, Math.Min((int)(red * multiplier + 0.5), 255));
}
if (doGreen)
{
green = (byte)Math.Max(0, Math.Min((int)(green * multiplier + 0.5), 255));
}
if (doBlue)
{
blue = (byte)Math.Max(0, Math.Min((int)(blue * multiplier + 0.5), 255));
}
return(Colorer.ARGBToString(alpha, red, green, blue));
}
public object Convert(object[] values, Type targetType, object parameter, CultureInfo culture) => Colorer.ARGBToString((byte)values[0], (byte)values[1], (byte)values[2], (byte)values[3]);
public void ColorerTest()
{
// StringToString
Assert.AreEqual(Colorer.StringToString("a"), "ffaaaaaa");
Assert.AreEqual(Colorer.StringToString("AB"), "ffababab");
Assert.AreEqual(Colorer.StringToString("cD0"), "ffccdd00");
Assert.AreEqual(Colorer.StringToString("C0DE"), "cc00ddee");
try { Colorer.StringToString("ad0be"); Assert.Fail(); } catch { }
Assert.AreEqual(Colorer.StringToString("dEc0dE"), "ffdec0de");
try { Colorer.StringToString("dec0ded"); Assert.Fail(); } catch { }
Assert.AreEqual(Colorer.StringToString("F00dFaCe"), "f00dface");
try { Colorer.StringToString("coder"); Assert.Fail(); } catch { }
try { Colorer.StringToString("deadbeeff00d"); Assert.Fail(); } catch { }
// StringToValue
Assert.AreEqual(Colorer.StringToValue("a"), 0xffaaaaaa);
Assert.AreEqual(Colorer.StringToValue("AB"), 0xffababab);
Assert.AreEqual(Colorer.StringToValue("cD0"), 0xffccdd00);
Assert.AreEqual(Colorer.StringToValue("C0DE"), 0xcc00ddee);
try { Colorer.StringToValue("ad0be"); Assert.Fail(); } catch { }
Assert.AreEqual(Colorer.StringToValue("dEc0dE"), 0xffdec0de);
try { Colorer.StringToValue("dec0ded"); Assert.Fail(); } catch { }
Assert.AreEqual(Colorer.StringToValue("F00dFaCe"), 0xf00dface);
try { Colorer.StringToValue("coder"); Assert.Fail(); } catch { }
try { Colorer.StringToValue("deadbeeff00d"); Assert.Fail(); } catch { }
// ValueToString
Assert.AreEqual(Colorer.ValueToString(0xffaaaaaa), "ffaaaaaa");
Assert.AreEqual(Colorer.ValueToString(0xffababab), "ffababab");
Assert.AreEqual(Colorer.ValueToString(0xffccdd00), "ffccdd00");
Assert.AreEqual(Colorer.ValueToString(0xcc00ddee), "cc00ddee");
Assert.AreEqual(Colorer.ValueToString(0xffdec0de), "ffdec0de");
Assert.AreEqual(Colorer.ValueToString(0xf00dface), "f00dface");
// ValueToARGB
ValueToARGB(0xffaaaaaa, 0xff, 0xaa, 0xaa, 0xaa);
ValueToARGB(0xffababab, 0xff, 0xab, 0xab, 0xab);
ValueToARGB(0xffccdd00, 0xff, 0xcc, 0xdd, 0x00);
ValueToARGB(0xcc00ddee, 0xcc, 0x00, 0xdd, 0xee);
ValueToARGB(0xffdec0de, 0xff, 0xde, 0xc0, 0xde);
ValueToARGB(0xf00dface, 0xf0, 0x0d, 0xfa, 0xce);
// StringToARGB
StringToARGB("a", 0xff, 0xaa, 0xaa, 0xaa);
StringToARGB("AB", 0xff, 0xab, 0xab, 0xab);
StringToARGB("cD0", 0xff, 0xcc, 0xdd, 0x00);
StringToARGB("C0DE", 0xcc, 0x00, 0xdd, 0xee);
try { StringToARGB("ad0be", 0, 0, 0, 0); Assert.Fail(); } catch { }
StringToARGB("dEc0dE", 0xff, 0xde, 0xc0, 0xde);
try { StringToARGB("dec0ded", 0, 0, 0, 0); Assert.Fail(); } catch { }
StringToARGB("F00dFaCe", 0xf0, 0x0d, 0xfa, 0xce);
try { StringToARGB("coder", 0, 0, 0, 0); Assert.Fail(); } catch { }
try { StringToARGB("deadbeeff00d", 0, 0, 0, 0); Assert.Fail(); } catch { }
// ARGBToString
Assert.AreEqual(Colorer.ARGBToString(0xff, 0xaa, 0xaa, 0xaa), "ffaaaaaa");
Assert.AreEqual(Colorer.ARGBToString(0xff, 0xab, 0xab, 0xab), "ffababab");
Assert.AreEqual(Colorer.ARGBToString(0xff, 0xcc, 0xdd, 0x00), "ffccdd00");
Assert.AreEqual(Colorer.ARGBToString(0xcc, 0x00, 0xdd, 0xee), "cc00ddee");
Assert.AreEqual(Colorer.ARGBToString(0xff, 0xde, 0xc0, 0xde), "ffdec0de");
Assert.AreEqual(Colorer.ARGBToString(0xf0, 0x0d, 0xfa, 0xce), "f00dface");
// ARGBToValue
Assert.AreEqual(Colorer.ARGBToValue(0xff, 0xaa, 0xaa, 0xaa), 0xffaaaaaa);
Assert.AreEqual(Colorer.ARGBToValue(0xff, 0xab, 0xab, 0xab), 0xffababab);
Assert.AreEqual(Colorer.ARGBToValue(0xff, 0xcc, 0xdd, 0x00), 0xffccdd00);
Assert.AreEqual(Colorer.ARGBToValue(0xcc, 0x00, 0xdd, 0xee), 0xcc00ddee);
Assert.AreEqual(Colorer.ARGBToValue(0xff, 0xde, 0xc0, 0xde), 0xffdec0de);
Assert.AreEqual(Colorer.ARGBToValue(0xf0, 0x0d, 0xfa, 0xce), 0xf00dface);
}