/// <summary>
/// Gets the fourth element color.
/// </summary>
/// <param name="state">Palette value should be applicable to this state.</param>
/// <returns>Color value.</returns>
public Color GetElementColor4(PaletteState state)
{
if (Color4 != Color.Empty)
return Color4;
else
return _inheritElementColor.GetElementColor4(state);
}
/// <summary>
/// Gets the fourth color for the element.
/// </summary>
/// <param name="state">Palette value should be applicable to this state.</param>
/// <returns>Color value.</returns>
public override Color GetElementColor4(PaletteState state)
{
if (Apply)
{
Color ret = _primary.GetElementColor4(Override ? OverrideState : state);
if (ret == Color.Empty)
{
ret = _backup.GetElementColor4(state);
}
return(ret);
}
else
{
return(_backup.GetElementColor4(state));
}
}
/// <summary>
/// Gets the fourth element color.
/// </summary>
/// <param name="state">Palette value should be applicable to this state.</param>
/// <returns>Color value.</returns>
public Color GetElementColor4(PaletteState state)
{
if (Color4 != Color.Empty)
{
return(Color4);
}
else
{
return(_inheritElementColor.GetElementColor4(state));
}
}
/// <summary>
/// Draw the track bar position glyph.
/// </summary>
/// <param name="context">Render context.</param>
/// <param name="state">Element state.</param>
/// <param name="elementPalette">Source of palette colors.</param>
/// <param name="drawRect">Drawing rectangle that should contain the track.</param>
/// <param name="orientation">Drawing orientation.</param>
/// <param name="tickStyle">Tick marks that surround the position.</param>
public override void DrawTrackPositionGlyph(RenderContext context,
PaletteState state,
IPaletteElementColor elementPalette,
Rectangle drawRect,
Orientation orientation,
TickStyle tickStyle)
{
GraphicsPath outside = null;
GraphicsPath border = null;
GraphicsPath inside = null;
if (orientation == Orientation.Horizontal)
{
switch (tickStyle)
{
case TickStyle.None:
case TickStyle.Both:
CreatePositionPathsBoth(drawRect, ref outside, ref border, ref inside);
break;
case TickStyle.TopLeft:
CreatePositionPathsTop(drawRect, ref outside, ref border, ref inside);
break;
case TickStyle.BottomRight:
CreatePositionPathsBottom(drawRect, ref outside, ref border, ref inside);
break;
}
}
else
{
switch (tickStyle)
{
case TickStyle.None:
case TickStyle.Both:
CreatePositionPathsBoth(drawRect, ref outside, ref border, ref inside);
break;
case TickStyle.TopLeft:
CreatePositionPathsLeft(drawRect, ref outside, ref border, ref inside);
break;
case TickStyle.BottomRight:
CreatePositionPathsRight(drawRect, ref outside, ref border, ref inside);
break;
}
}
if ((outside != null) && (border != null) && (inside != null))
{
using (AntiAlias aa = new AntiAlias(context.Graphics))
{
using(Pen outsidePen = new Pen(elementPalette.GetElementColor1(state)),
borderPen = new Pen(elementPalette.GetElementColor2(state)))
{
context.Graphics.DrawPath(outsidePen, outside);
using(SolidBrush insideBrush = new SolidBrush(elementPalette.GetElementColor3(state)))
context.Graphics.FillPath(insideBrush, border);
context.Graphics.DrawPath(borderPen, border);
using (LinearGradientBrush innerBrush = new LinearGradientBrush(inside.GetBounds(),
elementPalette.GetElementColor4(state),
elementPalette.GetElementColor5(state),
90f))
{
context.Graphics.FillPath(innerBrush, inside);
}
}
}
outside.Dispose();
border.Dispose();
inside.Dispose();
}
}
