public override void Render(Graphics g)
{
var colorRect = new Rectangle(0, (Slider.Height / 2) - 3, Slider.Width - 6, 4);
Color c1 = new ColorManager.HSVColor(CurrentColor.HSV.H, 0, CurrentColor.HSV.V).ToColor();
Color c2 = new ColorManager.HSVColor(CurrentColor.HSV.H, 100, CurrentColor.HSV.V).ToColor();
var brush = new LinearGradientBrush(colorRect, c1, c2, LinearGradientMode.Horizontal);
//Draw color
g.FillRectangle(brush, colorRect);
//Draw border
g.DrawRectangle(Pens.Black, colorRect);
DrawThumb(g);
}
public override void Render(Graphics g)
{
var colorRect = new Rectangle(0, (Slider.Height / 2) - 3, Slider.Width - 6, 4);
Color c1 = new ColorManager.HSVColor(CurrentColor.HSV.H, 0, CurrentColor.HSV.V).ToColor();
Color c2 = new ColorManager.HSVColor(CurrentColor.HSV.H, 100, CurrentColor.HSV.V).ToColor();
var brush = new LinearGradientBrush(colorRect, c1, c2, LinearGradientMode.Horizontal);
//Draw color
g.FillRectangle(brush, colorRect);
//Draw border
g.DrawRectangle(Pens.Black, colorRect);
DrawThumb(g);
}
public static Bitmap ColorWheel(int size, int width, int multisampling)
{
if (width < 1 || size < 1)
return null;
int m = multisampling;
size = size * m;
width = width * m;
using (var b = new Bitmap(size, size))
{
using (Graphics g = Graphics.FromImage(b))
{
g.Clear(Color.Transparent);
var rect = new Rectangle(0, 0, size - m, size - m);
using (var wheel_path = new GraphicsPath())
{
wheel_path.AddEllipse(rect);
wheel_path.Flatten();
int num_pts = (wheel_path.PointCount - 1);
var surround_colors = new Color[wheel_path.PointCount];
for (int i = 0; i < wheel_path.PointCount; i++)
surround_colors[i] = new ColorManager.HSVColor((short) ((double) i / num_pts * 360), 100, 100).ToColor();
using (var brush = new PathGradientBrush(wheel_path))
{
brush.CenterColor = SystemColors.Window;
brush.SurroundColors = surround_colors;
brush.FocusScales = new PointF(100.0f, 100.0f);
g.FillEllipse(brush, rect);
}
using (var brush = new SolidBrush(Color.White))
g.FillEllipse(brush, new Rectangle(width, width, size - width * 2, size - width * 2));
//replace all the white with color.transparent :)
b.MakeTransparent(Color.White);
}
}
return ColorPickUtil.ResizeImage(b, size / m);
}
}
