public ColorControl()
{
InitializeComponent();
GradientService.InstantiateConstantObjects();
using (Graphics graphics = Graphics.FromImage(_huGraphic))
{
graphics.PixelOffsetMode = PixelOffsetMode.Half;
var rect = new Rectangle(0, 0, _huGraphic.Width, _huGraphic.Height);
using (var brush = new LinearGradientBrush(rect,
Color.Transparent,
Color.Transparent,
LinearGradientMode.Vertical))
{
var blend = new ColorBlend();
blend.Colors = GradientService._colors;
blend.Positions = GradientService._positions;
brush.InterpolationColors = blend;
graphics.FillRectangle(brush, rect);
}
}
}
void DrawField(Graphics graphics)
{
switch (_csc.Cisco.DisplayCharacter)
{
// _csc is ColorSpaceControlHSL
case 'H': GradientService.DrawField_hue(graphics, _slidecol); break;
case 'S': GradientService.DrawField_sat(graphics, _ciscoval); break;
case 'L': GradientService.DrawField_lit(graphics, _ciscoval); break;
// _csc is ColorSpaceControlRGB
case 'R': GradientService.DrawField_r(graphics, _ciscoval); break;
case 'G': GradientService.DrawField_g(graphics, _ciscoval); break;
case 'B': GradientService.DrawField_b(graphics, _ciscoval); break;
}
}