protected override void OnBackColorChanged(EventArgs e)
{
base.OnBackColorChanged(e);
Color BackgroundColor;
if (BackColor.Equals(Color.Transparent))
{
if (Parent != null)
{
BackgroundColor = Parent.BackColor;
}
else
{
BackgroundColor = Color.White;
}
}
else
{
BackgroundColor = BackColor;
}
// Get the hue of the background color
float hue = BackgroundColor.GetHue();
float saturation = BackgroundColor.GetSaturation();
float bright = BackgroundColor.GetBrightness();
float alpha = BackgroundColor.A;
// Get a value which is darker or lighter
CircleEdge = DoubleBufferedControl.ColorFromAhsb(220, hue, saturation, bright * 0.2f);
CircleBack = DoubleBufferedControl.ColorFromAhsb(190, hue, saturation, bright * 0.4f);
CircleCenter = DoubleBufferedControl.ColorFromAhsb(210, hue, saturation, bright * 0.7f);
CircleBright = DoubleBufferedControl.ColorFromAhsb(250, hue, saturation, bright * 1.0f);
#region Draw the faded edge of the circle to give spherical depth
GlassShadowColorBlend.Colors = new Color[] { CircleEdge, CircleBack, CircleCenter, CircleCenter };
GlassShadowColorBlend.Positions = new float[] { 0.00F, 0.25f, 0.7f, 1.0f };
#endregion
#region Set the colors of the reflection
// If the background color is black, make the class reflection white
if (BackgroundColor.Equals(Color.Black))
{
float WhiteHue = Color.White.GetHue();
float WhiteSaturation = Color.White.GetSaturation();
float WhiteBright = Color.White.GetBrightness();
CircleCenter = DoubleBufferedControl.ColorFromAhsb(210, WhiteHue, WhiteSaturation, WhiteBright * 0.7f);
CircleBright = DoubleBufferedControl.ColorFromAhsb(250, WhiteHue, WhiteSaturation, WhiteBright * 1.0f);
GlassReflectionColorBlend.Colors = new Color[] { CircleBright, Color.FromArgb(200, CircleCenter), Color.FromArgb(10, CircleCenter), Color.Transparent };
}
else
{
Color NearWhite = DoubleBufferedControl.ColorFromAhsb(255, hue, saturation, 1.0f);
GlassReflectionColorBlend.Colors = new Color[] { NearWhite, Color.FromArgb(200, CircleCenter), Color.FromArgb(10, CircleCenter), Color.Transparent };
}
GlassReflectionColorBlend.Positions = new float[] { 0F, 0.15f, 0.35F, 1.0f };
MakeBrushes();
#endregion
}