/// <summary>
/// Creates a colour from a string, Returns black when an error occurs
/// String can be int the form (i)(i a)(r g b)(r g b a) OR a prenamed color string
/// </summary>
/// <param name="s">String to parse</param>
/// <returns></returns>
public static hColor fromString(string s)
{
try
{
string[] elements = s.Trim().Replace(" ", " ").Split(" ".ToCharArray());
float c;
if (s.IndexOfAny(".".ToCharArray()) != -1)
{
//floating point information string
switch (elements.Length)
{
case 0:
return(hColor.fromRGB(0, 0, 0));
case 1:
c = float.Parse(elements[0]);
return(hColor.fromRGB(c, c, c));
case 2:
//assume c c c a (intensity + opacity)
c = float.Parse(elements[0]);
return(hColor.fromRGBA(c, c, c, float.Parse(elements[1])));
case 3:
return(hColor.fromRGB(float.Parse(elements[0]), float.Parse(elements[1]), float.Parse(elements[2])));
default:
//four or more
return(hColor.fromRGBA(float.Parse(elements[0]), float.Parse(elements[1]), float.Parse(elements[2]), float.Parse(elements[2])));
}
}
else
{
//integer(0-255) or named string
QColor col = QColor.fromString(s);
return((hColor)col);
}
}
catch
{
return(QColor.fromRGB(0, 0, 0));
}
}
/// <summary>
/// Creates a new qColour
/// </summary>
/// <param name="red">0-255</param>
/// <param name="green">0-255</param>
/// <param name="blue">0-255</param>
/// <param name="alpha">0-255 (0=transparent, 255=solid)</param>
/// <returns></returns>
public static hColor fromRGBA(int red, int green, int blue, int alpha)
{
return((hColor)QColor.fromRGBA(red, green, blue, alpha));
}
/// <summary>
/// Creates a new qColour
/// </summary>
/// <param name="red">0-255</param>
/// <param name="green">0-255</param>
/// <param name="blue">0-255</param>
/// <returns></returns>
public static hColor fromRGB(int red, int green, int blue)
{
return((hColor)QColor.fromRGB(red, green, blue));
}