private Color GetInterpolationColorByHeatValue(double heatValue, HeatMapPaletteColorPoint frontColorPoint, HeatMapPaletteColorPoint backColorPoint)
{
double offsetDifference = (heatValue - frontColorPoint.Offset) / (backColorPoint.Offset - frontColorPoint.Offset);
byte colorR = (byte)(frontColorPoint.Color.R + (backColorPoint.Color.R - frontColorPoint.Color.R) * offsetDifference);
byte colorG = (byte)(frontColorPoint.Color.G + (backColorPoint.Color.G - frontColorPoint.Color.G) * offsetDifference);
byte colorB = (byte)(frontColorPoint.Color.B + (backColorPoint.Color.B - frontColorPoint.Color.B) * offsetDifference);
return(Color.FromRgb(colorR, colorG, colorB));
}
private bool IsHeatValueBetweenTwoColorPoints(double heatValue, HeatMapPaletteColorPoint frontColorPoint, HeatMapPaletteColorPoint backColorPoint)
{
return(frontColorPoint.Offset <= heatValue && backColorPoint.Offset >= heatValue);
}