/// <summary>Renders a triangle.</summary>
/// <param name="graphics">The graphics to draw on.</param>
/// <param name="rectangle">The button rectangle.</param>
/// <param name="color">The color.</param>
/// <param name="direction">The direction.</param>
public static void RenderTriangle(Graphics graphics, Rectangle rectangle, Color color, Alignment.Vertical direction)
{
var points = new Point[3];
switch (direction)
{
case Alignment.Vertical.Up:
{
points[0].X = rectangle.X + (rectangle.Width / 2);
points[0].Y = rectangle.Y;
points[1].X = rectangle.X;
points[1].Y = rectangle.Y + rectangle.Height;
points[2].X = rectangle.X + rectangle.Width;
points[2].Y = rectangle.Y + rectangle.Height;
break;
}
case Alignment.Vertical.Down:
{
points[0].X = rectangle.X;
points[0].Y = rectangle.Y;
points[1].X = rectangle.X + rectangle.Width;
points[1].Y = rectangle.Y;
points[2].X = rectangle.X + (rectangle.Width / 2);
points[2].Y = rectangle.Y + rectangle.Height;
break;
}
default:
{
throw new ArgumentOutOfRangeException(nameof(direction), direction, null);
}
}
graphics.SmoothingMode = SmoothingMode.HighQuality;
graphics.FillPolygon(new SolidBrush(color), points);
}
/// <summary>Renders a triangle image.</summary>
/// <param name="graphics">The specified graphics to draw on.</param>
/// <param name="color">The color.</param>
/// <param name="image">The image.</param>
/// <param name="rectangle">The rectangle.</param>
/// <param name="direction">The direction.</param>
public static void RenderTriangleImage(Graphics graphics, Color color, Image image, Rectangle rectangle, Alignment.Vertical direction)
{
if (image != null)
{
// TODO: Flip image based on direction.
graphics.DrawImage(image, rectangle);
}
else
{
RenderTriangle(graphics, rectangle, color, direction);
}
}
/// <summary>Renders a triangle.</summary>
/// <param name="graphics">The specified graphics to draw on.</param>
/// <param name="color">The color.</param>
/// <param name="disabled">The disabled.</param>
/// <param name="enabled">The enabled.</param>
/// <param name="image">The image.</param>
/// <param name="rectangle">The rectangle.</param>
/// <param name="direction">The direction.</param>
public static void RenderTriangle(Graphics graphics, Color color, Color disabled, bool enabled, Image image, Rectangle rectangle, Alignment.Vertical direction)
{
if (image != null)
{
graphics.DrawImage(image, rectangle);
}
else
{
Color colorState = enabled ? color : disabled;
RenderTriangle(graphics, rectangle, colorState, direction);
}
}
