CommonTools/ColorPickerCtrl/ColorPickerCtrl.cs

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using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Drawing;
using System.Drawing.Drawing2D;
using System.Data;
using System.Text;
using System.Windows.Forms;
using System.Reflection;

namespace CommonTools
{
	public partial class ColorPickerCtrl : UserControl
	{
		Color m_selectedColor = Color.AntiqueWhite;
		public Color SelectedColor
		{
			get { return Color.FromArgb((int)Math.Floor(255f*m_opacity), m_selectedColor);; }
			set
			{
				m_opacity = (float)value.A / 255f;
				value = Color.FromArgb(255, value);
				m_colorWheel.SelectedColor = value;
				if (m_colorTable.ColorExist(value) == false)
					m_colorTable.SetCustomColor(value);
				m_colorTable.SelectedItem = value;
				m_opacitySlider.Percent = m_opacity;
			}
		}
		public ColorPickerCtrl()
		{
			InitializeComponent();

			List<Color> colors = new List<Color>();
			float step = 100/8;
			for (float x = 0; x <= 100; x += step)
			{
				float v = 255 * x/100;
				colors.Add(Color.FromArgb(255, (int)v, (int)v, (int)v));
			}
			colors.Add(Color.White);

			colors.Add(Color.FromArgb(255, 255, 000, 000));
			colors.Add(Color.FromArgb(255, 255, 255, 000));
			colors.Add(Color.FromArgb(255, 000, 255, 000));
			colors.Add(Color.FromArgb(255, 000, 255, 255));
			colors.Add(Color.FromArgb(255, 000, 000, 255));
			colors.Add(Color.FromArgb(255, 255, 000, 255));

			int cols = 16;
			int rows = 3;
			float cnt = (rows * cols);
			float huestep = 360 / cnt;
			float hue = 0;
			while (hue < 360)
			{
				colors.Add(new HSLColor(hue, 1, 0.5).Color);
				hue += huestep;
			}
			hue = 0;