/// <summary>
/// Create a new color picker Option.
/// </summary>
/// <param name="fixedHeight">
/// Whether <c cref="Height">Height</c> should return the maximum possible height given the style, or the current height.
/// Older versions of GMCM do not support options dynamically updating height.
/// </param>
/// <param name="getValue">A function that returns the current value in the underlying configuration object</param>
/// <param name="setValue">A function that should save the given value to the underlying configuration object</param>
/// <param name="showAlpha">Whether a slider should be shown for setting the Alpha channel or not</param>
/// <param name="style">Specify which types of color picker to show</param>
public ColorPickerOption(bool fixedHeight, Func <Color> getValue, Action <Color> setValue, bool showAlpha = true, ColorPickerStyle style = 0)
{
FixedHeight = fixedHeight;
GetValue = getValue;
SetValue = setValue;
ShowAlpha = showAlpha;
currentValue = getValue();
if (style == ColorPickerStyle.Default)
{
style = ColorPickerStyle.AllStyles | ColorPickerStyle.ToggleChooser;
}
EffectiveStyle = style;
ShowStylePicker = (style.HasFlag(ColorPickerStyle.RadioChooser) || style.HasFlag(ColorPickerStyle.ToggleChooser)) &&
BitOperations.PopCount((uint)(style & ColorPickerStyle.AllStyles)) > 1;
Action <IconButton> styleButtonClick = style.HasFlag(ColorPickerStyle.ToggleChooser) ? IconButton.ToggleSelected : StyleButtonRadio;
bool defaultSelected = !style.HasFlag(ColorPickerStyle.RadioChooser);
RGBStyleButton = new IconButton(rgbStripe, null, "RGB", styleButtonClick, defaultSelected && style.HasFlag(ColorPickerStyle.RGBSliders));
HSVStyleButton = new IconButton(smallColorWheel, null, "HSV", styleButtonClick, defaultSelected && style.HasFlag(ColorPickerStyle.HSVColorWheel));
HSLStyleButton = new IconButton(smallColorWheel, null, "HSL", styleButtonClick, defaultSelected && style.HasFlag(ColorPickerStyle.HSLColorWheel));
StyleButtons = new List <IconButton>();
if (style.HasFlag(ColorPickerStyle.RGBSliders))
{
StyleButtons.Add(RGBStyleButton);
}
if (style.HasFlag(ColorPickerStyle.HSVColorWheel))
{
StyleButtons.Add(HSVStyleButton);
}
if (style.HasFlag(ColorPickerStyle.HSLColorWheel))
{
StyleButtons.Add(HSLStyleButton);
}
if (ShowStylePicker && style.HasFlag(ColorPickerStyle.RadioChooser))
{
StyleButtons[0].Selected = true;
}
sliderR = new ColorSlider((b) => new Color((int)b, 0, 0, 255), currentValue.R, (b) => { currentValue.R = b; RGBChanged(); });
sliderG = new ColorSlider((b) => new Color(0, (int)b, 0, 255), currentValue.G, (b) => { currentValue.G = b; RGBChanged(); });
sliderB = new ColorSlider((b) => new Color(0, 0, (int)b, 255), currentValue.B, (b) => { currentValue.B = b; RGBChanged(); });
sliderA = new ColorSlider((b) => new Color(0, 0, 0, (int)b), currentValue.A, (b) => { currentValue.A = b; });
hsvWheel = new ColorWheel((h, s) => ColorUtil.FromHSV(h, s, vSlider.Value), HSVWheelChanged, 150);
vSlider = new VerticalSlider((v) => ColorUtil.FromHSV(hsvWheel.HueRadians, hsvWheel.Saturation, v), VSliderChanged, 150);
hslWheel = new ColorWheel((h, s) => ColorUtil.FromHSL(h, s, lSlider.Value), HSLWheelChanged, 150);
lSlider = new VerticalSlider((v) => ColorUtil.FromHSL(hslWheel.HueRadians, hslWheel.Saturation, v), LSliderChanged, 150);
ResetHSVWheel();
ResetHSLWheel();
}
/// <summary>
/// Return the maxiumum height that this option can occupy.
/// </summary>
/// <returns>Height in pixels</returns>
public int Height()
{
int top = sliderSpacing;
if (ShowStylePicker)
{
int height = 0;
foreach (IconButton btn in StyleButtons)
{
height = Math.Max(height, btn.Height);
}
top += height + sliderSpacing;
}
if (ShowAlpha)
{
top += (ColorSlider.height + sliderSpacing);
}
if (FixedHeight)
{
if (EffectiveStyle.HasFlag(ColorPickerStyle.RadioChooser))
{
// showing at most one of these anyway.
int height = 0;
if (EffectiveStyle.HasFlag(ColorPickerStyle.RGBSliders))
{
height = Math.Max(height, 3 * (ColorSlider.height + sliderSpacing));
}
if (EffectiveStyle.HasFlag(ColorPickerStyle.HSVColorWheel))
{
height = Math.Max(height, hsvWheel.Height);
}
if (EffectiveStyle.HasFlag(ColorPickerStyle.HSLColorWheel))
{
height = Math.Max(height, hslWheel.Height);
}
top += height;
}
else
{
if (EffectiveStyle.HasFlag(ColorPickerStyle.RGBSliders))
{
top += 3 * (ColorSlider.height + sliderSpacing);
}
if (EffectiveStyle.HasFlag(ColorPickerStyle.HSVColorWheel) && EffectiveStyle.HasFlag(ColorPickerStyle.HSLColorWheel))
{
top = Math.Max(top, colorBoxOuterSize + sliderSpacing);
}
if (EffectiveStyle.HasFlag(ColorPickerStyle.HSVColorWheel) || EffectiveStyle.HasFlag(ColorPickerStyle.HSLColorWheel))
{
top += Math.Max(hsvWheel.Height, hslWheel.Height);
}
}
}
else
{
if (RGBStyleButton.Selected)
{
top += 3 * (ColorSlider.height + sliderSpacing);
}
if (HSVStyleButton.Selected && HSLStyleButton.Selected)
{
top = Math.Max(top, colorBoxOuterSize + sliderSpacing);
}
if (HSVStyleButton.Selected || HSLStyleButton.Selected)
{
top += Math.Max(hsvWheel.Height, hslWheel.Height);
}
top = Math.Max(top, colorBoxOuterSize + sliderSpacing);
}
return(top);
}