private void UpdateFromHSL()
{
double hue = (double)GetInt(hueTextBox);
double sat = (double)GetInt(satTextBox) / satmax;
double lum = (double)GetInt(lumTextBox) / lummax;
hslColor = new HSColor(hue, sat, lum);
rgbColor = hslColor.ToRGB(ColorSpace.HSL);
SetRGBTextBoxes();
SetGraphics();
SetColorPanel();
}
private void UpdateFromLumMouse(MouseEventArgs e)
{
double newLum = Math.Max(Math.Min(1.0, Y2Lum(e.Y + lumMouseOffset)), 0.0);
hslColor = new HSColor(hslColor.Hue, hslColor.Sat, newLum);
rgbColor = hslColor.ToRGB(ColorSpace.HSL);
SetRGBTextBoxes();
SetHSLTextBoxes();
SetColorPanel();
lumPanel.Invalidate();
ClearLumMarker();
}
private void UpdateFromBitmapMouse(MouseEventArgs e)
{
// Calc cartesian coords
int x = e.X - bmMid.X;
int y = bmMid.Y - e.Y;
int rad = (int)Math.Round(Math.Sqrt(x * x + y * y));
double hue = Math.Atan2(y, x) * RadToAngle;
if (hue < 0)
{
hue = 360 + hue;
}
// If rad is greater than bmRad, then must recalc bmX,bmY so that
// they stay within the circle
if (rad > bmRad)
{
double radRatio = (double)bmRad / (double)rad;
bmX = (int)Math.Floor(x * radRatio) + bmMid.X;
bmY = bmMid.Y - (int)Math.Floor(y * radRatio);
rad = bmRad;
}
else
{
bmX = e.X;
bmY = e.Y;
}
double sat = rad / (double)bmRad;
hslColor = new HSColor(hue, sat, hslColor.Val);
rgbColor = hslColor.ToRGB(ColorSpace.HSL);
SetRGBTextBoxes();
SetHSLTextBoxes();
SetColorPanel();
bitmapPanel.Invalidate();
lumPanel.Invalidate();
ClearLumMarker();
}