public string ToWebColorString()
{
return(ColorRGB.ToWebColorString(this._r, this._g, this._b));
}
public ColorRGB(uint rgb)
{
ColorRGB.GetRGBBytes(rgb, out this._r, out this._g, out this._b);
}
/// <summary>
///
/// </summary>
/// <example>
/// Sample usage:
///
/// System.Drawing.Color c;
/// bool result = TryParseRGBWebColorString("#ffffff", ref c);
/// if (result)
/// {
/// //it was correctly parsed
/// }
/// else
/// {
/// //it was not correctly parsed
/// }
///
/// </example>
/// <param name="webcolor"></param>
///<returns></returns>
public static ColorRGB?TryParseWebColor(string webcolor)
{
// fail if string is null
if (webcolor == null)
{
return(null);
}
// fail if string is empty
if (webcolor.Length < 1)
{
return(null);
}
// clean any leading or trailing whitespace
webcolor = webcolor.Trim();
// fail if string is empty
if (webcolor.Length < 1)
{
return(null);
}
// strip leading # if it is there
while (webcolor.StartsWith("#"))
{
webcolor = webcolor.Substring(1);
}
// clean any leading or trailing whitespace
webcolor = webcolor.Trim();
// fail if string is empty
if (webcolor.Length < 1)
{
return(null);
}
// fail if string doesn't have exactly 6 digits
if (webcolor.Length != 6)
{
return(null);
}
int current_color;
bool result = int.TryParse(webcolor, NumberStyles.HexNumber, null, out current_color);
if (!result)
{
// fail if parsing didn't work
return(null);
}
// at this point parsing worked
// the integer value is converted directly to an rgb value
var the_color = new ColorRGB(current_color);
return(the_color);
}
private bool Equals(ColorRGB other)
{
return(this._r == other._r && this._g == other._g && this._b == other._b);
}
private bool Equals(ColorRGB other)
{
return (this._r == other._r && this._g == other._g && this._b == other._b);
}
/// <summary>
///
/// </summary>
/// <example>
/// Sample usage:
///
/// System.Drawing.Color c;
/// bool result = TryParseRGBWebColorString("#ffffff", ref c);
/// if (result)
/// {
/// //it was correctly parsed
/// }
/// else
/// {
/// //it was not correctly parsed
/// }
///
/// </example>
/// <param name="webcolor"></param>
///<returns></returns>
public static ColorRGB? TryParseWebColor(string webcolor)
{
// fail if string is null
if (webcolor == null)
{
return null;
}
// fail if string is empty
if (webcolor.Length < 1)
{
return null;
}
// clean any leading or trailing whitespace
webcolor = webcolor.Trim();
// fail if string is empty
if (webcolor.Length < 1)
{
return null;
}
// strip leading # if it is there
while (webcolor.StartsWith("#"))
{
webcolor = webcolor.Substring(1);
}
// clean any leading or trailing whitespace
webcolor = webcolor.Trim();
// fail if string is empty
if (webcolor.Length < 1)
{
return null;
}
// fail if string doesn't have exactly 6 digits
if (webcolor.Length != 6)
{
return null;
}
int current_color;
bool result = int.TryParse(webcolor, NumberStyles.HexNumber, null, out current_color);
if (!result)
{
// fail if parsing didn't work
return null;
}
// at this point parsing worked
// the integer value is converted directly to an rgb value
var the_color = new ColorRGB(current_color);
return the_color;
}
