MultiplyUsingByteToDoubleConv.cs

// srcColor:Color, destColor:Color

// We're converting everything to doubles [0,1.0], then performing multiply
// then converting back to byte
// These conversions are slow
var sr = Convert.ToDouble(srcColor.R) / 255.0;
var sg = Convert.ToDouble(srcColor.G) / 255.0;
var sb = Convert.ToDouble(srcColor.B) / 255.0;

var dr = Convert.ToDouble(destColor.R) / 255.0;
var dg = Convert.ToDouble(destColor.G) / 255.0;
var db = Convert.ToDouble(destColor.B) / 255.0;

var rr = sr * dr;
var rg = sg * dg;
var rb = sb * db;

// Ignore alpha for now, keep it at 1.0
var ba = 255;
var br = Convert.ToByte(rr * 255.0);
var bg = Convert.ToByte(rg * 255.0);
var bb = Convert.ToByte(rb * 255.0);