private void RenderFill(Graphics g, Rectangle r, GraphicsPath path,
GradientFillColor fillColor, GradientFillType fillType, int angle, bool offset)
{
if (fillColor.Color2.IsEmpty)
fillType = GradientFillType.None;
switch (fillType)
{
case GradientFillType.Auto:
case GradientFillType.Angle:
if (offset == false)
angle += fillColor.GradientAngle;
using (Brush br = fillColor.GetBrush(r, angle))
{
if (br is LinearGradientBrush)
((LinearGradientBrush)br).WrapMode = WrapMode.TileFlipXY;
g.FillPath(br, path);
}
break;
case GradientFillType.StartToEnd:
using (Brush br = fillColor.GetBrush(r, 90 + angle))
{
if (br is LinearGradientBrush)
((LinearGradientBrush)br).WrapMode = WrapMode.TileFlipXY;
g.FillPath(br, path);
}
break;
case GradientFillType.HorizontalCenter:
if (r.Height >= 2)
r.Height /= 2;
using (LinearGradientBrush br = new
LinearGradientBrush(r, fillColor.Start, fillColor.End, 90 + angle))
{
br.WrapMode = WrapMode.TileFlipXY;
g.FillPath(br, path);
}
break;
case GradientFillType.VerticalCenter:
if (r.Width >= 2)
r.Width /= 2;
using (LinearGradientBrush br = new
LinearGradientBrush(r, fillColor.Start, fillColor.End, 0f + angle))
{
br.WrapMode = WrapMode.TileFlipXY;
g.FillPath(br, path);
}
break;
case GradientFillType.Center:
using (PathGradientBrush br = new PathGradientBrush(path))
{
if (offset == true && Scale is GaugeCircularScale)
br.CenterPoint = ((GaugeCircularScale)Scale).GetPoint((int) (r.Width * .45f), 180 + 45 + angle);
br.CenterColor = fillColor.Start;
br.SurroundColors = new Color[] { fillColor.End };
g.FillPath(br, path);
}
break;
default:
using (Brush br = new SolidBrush(fillColor.Start))
g.FillPath(br, path);
break;
}
}
private void RenderCapPathSytle1(Graphics g,
Rectangle r, GradientFillColor fillColor, GradientFillType fillType)
{
using (GraphicsPath path = new GraphicsPath())
{
path.AddEllipse(r);
RenderFill(g, r, path, fillColor, fillType, 0, true);
RenderBorder(g, path, fillColor);
}
}
private void RenderCapPathSytle2(Graphics g,
Rectangle r, GradientFillColor fillColor, GradientFillType fillType)
{
using (GraphicsPath path = new GraphicsPath())
{
path.AddEllipse(r);
RenderFill(g, r, path, fillColor, fillType, 0, true);
RenderBorder(g, path, fillColor);
path.Reset();
int angle = 180;
int outer = (int)(r.Width * GaugePointer.CapOuterBevel);
if (outer > 0)
{
r.Inflate(-outer, -outer);
if (r.Width >= 2)
{
path.AddEllipse(r);
RenderFill(g, r, path, fillColor, fillType, 180, true);
path.Reset();
angle = 0;
}
}
int inner = (int) (r.Width*GaugePointer.CapInnerBevel);
if (inner > 0)
{
r.Inflate(-inner, -inner);
if (r.Width >= 2)
{
path.AddEllipse(r);
RenderFill(g, r, path, fillColor, fillType, angle, true);
}
}
}
}
/// <summary>
/// Determines if the fillcolor is equal to the given one
/// </summary>
/// <param name="begin"></param>
/// <param name="end"></param>
/// <param name="angle"></param>
/// <param name="gradientFill"></param>
/// <param name="borderColor"></param>
/// <param name="borderWidth"></param>
/// <returns></returns>
public bool IsEqualTo(Color begin, Color end, float angle,
GradientFillType gradientFill, Color borderColor, int borderWidth)
{
return (Color1 == begin && End == end &&
GradientAngle == angle && GradientFillType == gradientFill &&
borderColor == BorderColor && borderWidth == BorderWidth);
}
