/// <summary>
/// Draws this control in the style hue.
/// </summary>
/// <param name="map">The map to update.</param>
private void DrawStyleHue(ref ColorMap map)
{
var hslStart = new HSL();
var hslEnd = new HSL();
hslStart.H = this.hsl.H;
hslEnd.H = this.hsl.H;
hslStart.S = 0;
hslEnd.S = 1;
for (var y = 0; y < map.Height; y++)
{
hslStart.L = (float)y / map.Height;
hslEnd.L = hslStart.L;
var rgbStart = AdobeColors.HSLToRGB(hslStart);
var rgbEnd = AdobeColors.HSLToRGB(hslEnd);
for (var x = 0; x < map.Width; x++)
{
var lerpValue = 1 - (x / (float)map.Width);
// System.Diagnostics.Debug.WriteLine(lerpValue);
var rgbValue = AdobeColors.Lerp(rgbStart, rgbEnd, lerpValue);
map.Set(x, y, rgbValue);
}
}
}
/// <summary>
/// Draws this control in the style saturation.
/// </summary>
/// <param name="map">The map to update.</param>
private void DrawStyleSaturation(ref ColorMap map)
{
var hslStart = new HSL();
var hslEnd = new HSL();
hslStart.S = this.hsl.S;
hslEnd.S = this.hsl.S;
hslStart.L = 1.0;
hslEnd.L = 0.0;
for (var x = 0; x < map.Width; x++)
{
for (var y = 0; y < map.Height; y++)
{
// Calculate Hue at this line (Saturation and Luminance are constant)
hslStart.H = (double)x / map.Width;
hslEnd.H = hslStart.H;
var rgbStart = AdobeColors.HSLToRGB(hslStart);
var rgbEnd = AdobeColors.HSLToRGB(hslEnd);
var lerpValue = y / map.Height;
var rgbValue = AdobeColors.Lerp(rgbStart, rgbEnd, lerpValue);
map.Set(x, y, rgbValue);
}
}
}