private Brush CreateRainbowBrush(LinearGaugeBar bar)
{
LinearGradientBrush linearGradientBrush = new LinearGradientBrush(bar.BoundingRectangle, Color.Black, Color.Black, bar.Owner.Vertical ? 90f : 180f, false);
ColorBlend colorBlend = new ColorBlend();
colorBlend.Positions = new float[9];
int num1 = 0;
for (float num2 = 0.0f; (double)num2 <= 1.0; num2 += 0.125f)
{
colorBlend.Positions[num1++] = num2;
}
colorBlend.Colors = new Color[9]
{
Color.Red,
Color.Orange,
Color.Yellow,
Color.Green,
Color.LightBlue,
Color.Blue,
Color.Indigo,
Color.Violet,
Color.Red
};
linearGradientBrush.InterpolationColors = colorBlend;
return((Brush)linearGradientBrush);
}
public Brush CreateBrush(GaugeVisualElement owner, GaugeBrushType type)
{
LinearGaugeBar bar = owner as LinearGaugeBar;
if (bar == null)
{
return((Brush)null);
}
switch (type)
{
case GaugeBrushType.Other:
return((Brush)null);
case GaugeBrushType.Rainbow:
case GaugeBrushType.Rainbow2:
case GaugeBrushType.Rainbow3:
return(this.CreateRainbowBrush(bar));
case GaugeBrushType.Gradient:
if (bar.BackColor == bar.BackColor2)
{
return((Brush) new SolidBrush(bar.BackColor));
}
return((Brush) new LinearGradientBrush(bar.Path.GetBounds(), bar.BackColor, bar.BackColor2, 90f));
default:
return((Brush)null);
}
}