private void UpdateSample(int xPos, int yPos)
{
if (m_colorSample == null)
{
return;
}
if (xPos < 0 || xPos > m_colorSample.Width)
{
return;
}
if (yPos < 0 || yPos > m_colorSample.Height)
{
return;
}
m_sampleSelector.SetValue(Canvas.LeftProperty, xPos - (m_sampleSelector.Height / 2));
m_sampleSelector.SetValue(Canvas.TopProperty, yPos - (m_sampleSelector.Height / 2));
float yComponent = 1 - (float)(yPos / m_colorSample.Height);
float xComponent = (float)(xPos / m_colorSample.Width);
this.SelectedColor = m_colorSpace.ConvertHsvToRgb(m_selectedHue, xComponent, yComponent);
m_selectedColorView.Fill = new SolidColorBrush(this.SelectedColor);
m_hexValue.Text = m_colorSpace.GetHexCode(this.SelectedColor);
if (ColorSelected != null)
{
ColorSelected(this.SelectedColor);
}
}
private Color GetColor()
{
double yComponent = 1 - (m_sampleY / m_colorSample.Height);
double xComponent = m_sampleX / m_colorSample.Width;
double hueComponent = (m_huePos / m_hueMonitor.Height) * 360;
return(m_colorSpace.ConvertHsvToRgb(hueComponent, xComponent, yComponent));
}
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);
}
}