private StackPanel CreateChildren(int items, double yOffset)
{
StackPanel panel = CreateHorizontalStackPanel();
float half = items / 2.0f;
for (int j = 1; j <= items; j++)
{
double xOffset = (j - half - .5) * ColorSize;
double distance = CalculateDistance(xOffset, yOffset);
float angle = (float)CalculateAngle(xOffset, yOffset);
Color color;
if (ColorSize * ColorBrightnessSteps >= distance)
{
color = ColorSpace.ConvertHsvToRgb(angle, CalculateStep(ColorBrightnessSteps, distance), 1);
}
else
{
double max = (ColorBrightnessSteps + ColorDarknessSteps + 1) * ColorSize;
distance = max - distance;
color = ColorSpace.ConvertHsvToRgb(angle, 1, CalculateStep(ColorDarknessSteps + 1, distance));
}
panel.Children.Add(CreateRectangle(color));
}
return(panel);
}
private Color GetColor()
{
double yComponent = 1 - (m_sampleY / ColorFieldHeight);
double xComponent = m_sampleX / ColorFieldWidth;
double hueComponent = (m_huePos / RainbowHeight) * 360;
return(ColorSpace.ConvertHsvToRgb(hueComponent, xComponent, yComponent));
}
private Color GetColor()
{
var yComponent = 1 - (m_sampleY / ColorFieldHeight);
var xComponent = m_sampleX / ColorFieldWidth;
var hueComponent = (m_huePos / RainbowHeight) * 360;
var result = ColorSpace.ConvertHsvToRgb(hueComponent, xComponent, yComponent);
result.A = (byte)(m_alpha / TransparencyFieldWidth * 255);
return(result);
}
private void UpdateSample()
{
_fromMovement = true;
SetSampleLocation();
var saturation = (float)(_position.X / SelectedHueColor.ActualWidth);
var value = (float)(1 - (_position.Y / SelectedHueColor.ActualHeight));
if (!_adjustingColor)
{
ColorChanging(ColorSpace.ConvertHsvToRgb(ColorSlider.Color.GetHue(), saturation, value));
}
_fromMovement = false;
}
public void RgbHsvConversion()
{
ColorSpace cs = new ColorSpace();
for (int r = 0; r < 255; r += 5)
{
for (int g = 0; g < 255; g += 5)
{
for (int b = 0; b < 255; b += 5)
{
Color c1 = Color.FromArgb(255, (byte)r, (byte)g, (byte)b);
HSV tmpHSL = cs.ConvertRgbToHsv(c1);
Color c2 = cs.ConvertHsvToRgb(tmpHSL.Hue, tmpHSL.Saturation, tmpHSL.Value);
Assert.AreEqual(c1.R, c2.R);
Assert.AreEqual(c1.G, c2.G);
Assert.AreEqual(c1.B, c2.B);
Assert.AreEqual(c1.A, c2.A);
}
}
}
}
