public void Draw(Graphics g, ColorHandler.RGB RGB)
{
// Given RGB values, calculate HSV and then update the screen.
this.g = g;
this.HSV = ColorHandler.RGBtoHSV(RGB);
CalcCoordsAndUpdate(this.HSV);
UpdateDisplay();
}
private void HandleRGBChange(object sender, System.EventArgs e)
{
// If the R, G, or B values change, use this
// code to update the HSV values and invalidate
// the color wheel (so it updates the pointers).
// Check the isInUpdate flag to avoid recursive events
// when you update the NumericUpdownControls.
if (!isInUpdate)
{
changeType = ChangeStyle.RGB;
RGB = new ColorHandler.RGB((int)numericUpDownRed.Value, (int)numericUpDownGreen.Value, (int)numericUpDownBlue.Value);
SetHSV(ColorHandler.RGBtoHSV(RGB));
this.OnColorChanged();
this.Invalidate();
}
}
private void textBoxHexColor_Leave(object sender, EventArgs e)
{
try
{
if (!isInUpdate)
{
Color c = ColorTranslator.FromHtml(textBoxHexColor.Text);
this.Color = c;
SetRGB(new ColorHandler.RGB(c.R, c.G, c.B));
SetHSV(ColorHandler.RGBtoHSV(RGB));
this.OnColorChanged();
this.Invalidate();
}
}
catch
{
textBoxHexColor.Text = "#" + Color.R.ToString("x").PadLeft(2, '0') + Color.G.ToString("x").PadLeft(2, '0') + Color.B.ToString("x").PadLeft(2, '0');
}
}