Color Color::FromHexString(String hexString)
{
Color forReturn;
bool isHex = false;
if (hexString[0] == '#')
{
hexString = hexString.substr(1);
isHex = true;
}
if ( (hexString.substr(0, 2) == "0x") || (hexString.substr(0, 2) == "0X") )
{
hexString = hexString.substr(2);
isHex = true;
}
if (isHex)
{
if ( (hexString.length() != 3) && (hexString.length() != 6) )
{
//invalid length, set to white
return Color();
}
if (hexString.length() == 3)
{
//expand to 6
String newString = "";
newString += hexString.substr(0,1) + hexString.substr(0,1);
newString += hexString.substr(1,1) + hexString.substr(1,1);
newString += hexString.substr(2,1) + hexString.substr(2,1);
hexString = newString;
}
String rString = hexString.substr(0,2);
String gString = hexString.substr(2,2);
String bString = hexString.substr(4,2);
int rInt = HexToInteger(rString);
int gInt = HexToInteger(gString);
int bInt = HexToInteger(bString);
forReturn.R = (float)rInt / 255.0f;
forReturn.G = (float)gInt / 255.0f;
forReturn.B = (float)bInt / 255.0f;
forReturn.A = 1.0f;
forReturn.ClampMe();
return forReturn;
}
else
{
// no support for other string-defined colors -- to white with you
return Color();
}
}
Color Color::FromInts(int r, int g, int b, int a, bool clamp)
{
Color forReturn;
forReturn.R = (float)r / 255.0f;
forReturn.G = (float)g / 255.0f;
forReturn.B = (float)b / 255.0f;
forReturn.A = (float)a / 255.0f;
if (clamp)
{
forReturn.ClampMe();
}
return forReturn;
}
