/// <summary>
/// Convert a hex string to a color.
/// </summary>
/// <param name="value"></param>
/// <param name="result"></param>
/// <returns></returns>
public static bool FromHex(String value, VoxelColor result)
{
Color parsed;
if (ColorUtility.TryParseHtmlString(value, out parsed))
{
result.Set(parsed);
return true;
}
else
{
return false;
}
}
/// <summary>
/// Parse a token, an empty value return 0.
/// </summary>
/// <param name="token"></param>
/// <param name="result"></param>
/// <returns></returns>
private void ParseHex(String token, VoxelColor result)
{
String toTest = token.Trim();
if (toTest.Equals("")) result.Set(0,0,0,0);
else
{
if (Regex.IsMatch(toTest, "^[0-9ABCDEF]{8}$"))
{
GUIColorPicker.FromHex(toTest, result);
}
else if (Regex.IsMatch(toTest, "^[0-9ABCDEF]{4}$"))
{
GUIColorPicker.FromHex(
Regex.Replace(toTest, "([0-9ABCDEF])", "${1}0"),
result
);
}
else
{
while (toTest.Length < 8) toTest += 0;
GUIColorPicker.FromHex(toTest, result);
}
}
}
/// <summary>
/// Commit RGB / HSL / A fields to the model.
/// </summary>
/// <param name="model"></param>
private void CommitOther(VoxelColor model)
{
if (this._rgbDirty)
{
model.Set(
this.Parse(this._red) / 255f,
this.Parse(this._green) / 255f,
this.Parse(this._blue) / 255f
);
this.PullHSL(model);
}
else if (this._hslDirty)
{
model.SetHSL(
this.Parse(this._hue) / 360f,
this.Parse(this._saturation) / 100f,
this.Parse(this._luminosity) / 100f
);
this.PullRGB(model);
}
if (this._alphaDirty)
{
model.A = this.Parse(this._alpha) / 100f;
}
this.PullHex(model);
}
/// <summary>
/// Get a color for a square texture (RGB mode).
/// </summary>
/// <param name="x">Coord of the color between 0f and 1f (absciss)</param>
/// <param name="y">Coord of the color between 0f and 1f (ordinates)</param>
/// <param name="result">Result, if instanciation is not required</param>
private void GetColorRGB(float x, float y, VoxelColor result)
{
switch (this._lockedAttr)
{
case GUIColorPicker.ColorAttr.Red:
result.Set(this._selectedColor.R, x, y);
break;
case GUIColorPicker.ColorAttr.Green:
result.Set(x, this._selectedColor.G, y);
break;
case GUIColorPicker.ColorAttr.Blue:
result.Set(x, y, this._selectedColor.B);
break;
default:
throw new ColorPickerMissConfigurationException("Invalid locked value for RGB mode : " + this._lockedAttr);
}
}