private void btnUpdateRGB_Click(object sender, RoutedEventArgs e)
{
SetOutOfGamut(false);
double r = double.Parse(txtR.Text);
double g = double.Parse(txtG.Text);
double b = double.Parse(txtB.Text);
RGBColour rgb = RGBColour.FromRGB(r, g, b);
XYZColour xyzcColour = ColourUtil.RGBtoXYZ(rgb);
xyYColour xyYCol = xyYColour.FromXYZ(xyzcColour);
txtXYZ_X.Text = xyzcColour.X.ToString();
txtXYZ_Y.Text = xyzcColour.Y.ToString();
txtXYZ_Z.Text = xyzcColour.Z.ToString();
txtxyY_x.Text = xyYCol.x.ToString();
txtxyY_y.Text = xyYCol.y.ToString();
txtxyY_Y.Text = xyYCol.Y.ToString();
Color newColourForRectangle = Color.FromRgb((byte)r, (byte)g, (byte)b);
SolidColorBrush brush = new SolidColorBrush(newColourForRectangle);
rectColour.Fill = brush;
}
private void btnUpdatexyY_Click(object sender, RoutedEventArgs e)
{
SetOutOfGamut(false);
double x = double.Parse(txtxyY_x.Text);
double y = double.Parse(txtxyY_y.Text);
double Y = double.Parse(txtxyY_Y.Text);
xyYColour xyYCol = xyYColour.FromxyY(x, y, Y);
XYZColour xyzColour = xyYCol.ToXYZColour();
RGBColour rgbColour = ColourUtil.XYZTosRGB(xyzColour);
txtR.Text = rgbColour.R.ToString();
txtG.Text = rgbColour.G.ToString();
txtB.Text = rgbColour.B.ToString();
txtXYZ_X.Text = xyzColour.X.ToString();
txtXYZ_Y.Text = xyzColour.Y.ToString();
txtXYZ_Z.Text = xyzColour.Z.ToString();
Color newColourForRectangle = Color.FromRgb((byte)rgbColour.R, (byte)rgbColour.G, (byte)rgbColour.B);
SolidColorBrush brush = new SolidColorBrush(newColourForRectangle);
rectColour.Fill = brush;
SetOutOfGamut(rgbColour.OutOfGamut);
}
private Color GetColorFromXYY(xyYColour xyy)
{
XYZColour xyz = xyy.ToXYZColour();
RGBColour rgb = ColourUtil.XYZTosRGB(xyz);
Color color = Color.FromRgb((byte)rgb.R, (byte)rgb.G, (byte)rgb.B);
return(color);
}
private bool IsOutOfGamut(xyYColour xyy)
{
double x = Math.Round(xyy.x, 5, MidpointRounding.ToEven);
double y = Math.Round(xyy.y, 5, MidpointRounding.ToEven);
xyYColour temp = xyYColour.FromxyY(x, y, xyy.Y);
XYZColour xyz = temp.ToXYZColour();
RGBColour rgb = ColourUtil.XYZTosRGB(xyz);
return(rgb.OutOfGamut);
}
private Color GetColorFromXYY(xyYColour xyy)
{
double x = Math.Round(xyy.x, 5, MidpointRounding.ToEven);
double y = Math.Round(xyy.y, 5, MidpointRounding.ToEven);
xyYColour temp = xyYColour.FromxyY(x, y, xyy.Y);
XYZColour xyz = temp.ToXYZColour();
RGBColour rgb = ColourUtil.XYZTosRGB(xyz);
Color color = Color.FromArgb(0, (byte)rgb.R, (byte)rgb.G, (byte)rgb.B);
return(color);
}
public static double GetWeight(RGBColour rgbColourSource, RGBColour rgbColourCompare, ObserverData observerData)
{
XYZColour xyzColSource = ColourUtil.RGBtoXYZ(rgbColourSource);
xyYColour colAsxyYSource = xyYColour.FromXYZ(xyzColSource);
XYZColour xyzColCompare = ColourUtil.RGBtoXYZ(rgbColourCompare);
xyYColour colAsxyYCompare = xyYColour.FromXYZ(xyzColCompare);
//****Do calc****
double angle = ColourUtil.CalcAngle(colAsxyYSource.x, colAsxyYSource.y, colAsxyYCompare.x, colAsxyYCompare.y);
xyYColour closestObserverSample = GetClosestXy(colAsxyYSource, observerData);
//NEW BRANCH: Get 3 closest xy colours
ColourAngleSet angleSet = observerData.ColourData[closestObserverSample];
return(GetWeightingFactor(closestObserverSample, angle, angleSet, observerData));
}
public static double GetWeight2(RGBColour rgbColourSource, RGBColour rgbColourCompare, ObserverData observerData)
{
XYZColour xyzColSource = ColourUtil.RGBtoXYZ(rgbColourSource);
xyYColour colAsxyYSource = xyYColour.FromXYZ(xyzColSource);
XYZColour xyzColCompare = ColourUtil.RGBtoXYZ(rgbColourCompare);
xyYColour colAsxyYCompare = xyYColour.FromXYZ(xyzColCompare);
//****Do calc****
double angle = ColourUtil.CalcAngle(colAsxyYSource.x, colAsxyYSource.y, colAsxyYCompare.x, colAsxyYCompare.y);
//NEW BRANCH: Get 3 closest xy colours
IEnumerable <xyYColour> closest3 = Interpolation.GetThreeClosestColours(colAsxyYSource, observerData);
double influenceA, influenceB, influenceC;
xyYColour pA = closest3.ElementAt(0);
xyYColour pB = closest3.ElementAt(1);
xyYColour pC = closest3.ElementAt(2);
Interpolation.GetInfluence(colAsxyYSource, pA, pB, pC, out influenceA, out influenceB, out influenceC);
xyYColour colourAtAngleA = GetClosestAngleColour(observerData.ColourData[pA], angle);
xyYColour colourAtAngleB = GetClosestAngleColour(observerData.ColourData[pB], angle);
xyYColour colourAtAngleC = GetClosestAngleColour(observerData.ColourData[pC], angle);
double distanceA = ColourUtil.Delta3D(pA.x, pA.y, 0, colourAtAngleA.x, colourAtAngleA.y, 0, 8);
double distanceB = ColourUtil.Delta3D(pB.x, pB.y, 0, colourAtAngleB.x, colourAtAngleB.y, 0, 8);
double distanceC = ColourUtil.Delta3D(pC.x, pC.y, 0, colourAtAngleC.x, colourAtAngleC.y, 0, 8);
double interpolatedDistance = Interpolation.GetInterpolatedDistance(distanceA, distanceB, distanceC, influenceA,
influenceB, influenceC);
return(GetWeightingFactor2(interpolatedDistance, observerData));
}
