public void Draw(SpriteBatch spr, Rectangle bounds, Color color)
{
if (spr == null)
{
throw new ArgumentNullException(nameof(spr));
}
Point pos = bounds.Location;
Point size = bounds.Size;
if (size.X < 0)
{
size.X = 0;
}
if (size.Y < 0)
{
size.Y = 0;
}
int minWidth = TopLeft.Region.Width + TopRight.Region.Width;
int innerWidth = size.X - minWidth;
if (innerWidth < 0)
{
innerWidth = 0;
}
int minHeight = TopLeft.Region.Height + BottomLeft.Region.Height;
int innerHeight = size.Y - minHeight;
if (innerHeight < 0)
{
innerHeight = 0;
}
// Top left.
TopLeft.Draw(spr, pos, color);
//// Top center.
if (innerWidth != 0)
{
TopCenter.Draw(spr, new Rectangle(pos + new Point(TopLeft.Region.Width, 0), new Point(innerWidth, TopCenter.Region.Height)), color);
}
//// Top right.
TopRight.Draw(spr, pos + new Point(TopLeft.Region.Width + innerWidth, 0), color);
// Center left.
if (innerHeight != 0)
{
CenterLeft.Draw(spr, new Rectangle(pos + new Point(0, TopLeft.Region.Height), new Point(TopLeft.Region.Width, innerHeight)), color);
}
// Center.
if (innerWidth != 0 && innerHeight != 0)
{
Center.Draw(spr, new Rectangle(pos + TopLeft.Region.Size, new Point(innerWidth, innerHeight)), color);
}
// Center right.
if (innerHeight != 0)
{
CenterRight.Draw(spr, new Rectangle(pos + new Point(TopLeft.Region.Width + innerWidth, TopLeft.Region.Height), new Point(CenterRight.Region.Width, innerHeight)), color);
}
// Bottom left.
BottomLeft.Draw(spr, pos + new Point(0, TopLeft.Region.Height + innerHeight), color);
// Bottom center.
if (innerWidth != 0)
{
BottomCenter.Draw(spr, new Rectangle(pos + new Point(TopLeft.Region.Width, TopLeft.Region.Height + innerHeight), new Point(innerWidth, BottomCenter.Region.Height)), color);
}
// Bottom right.
BottomRight.Draw(spr, pos + new Point(innerWidth, innerHeight) + TopLeft.Region.Size, color);
}