protected override void DrawInternal(IRenderContext2D context, IEnumerable<Point> centers, IPen2D pen, IBrush2D brush)
{
double halfWidth = Width / 2;
double halfHeight = Height / 2;
foreach (var center in centers)
{
double top = center.Y - halfHeight;
double bottom = center.Y + halfHeight;
double left = center.X - halfWidth;
double right = center.X + halfWidth;
// x0
//
//x1 x2
var points = new[]
{
new Point(right,top),
new Point(right,bottom),
new Point(left,bottom),
new Point(right,top)
};
context.FillPolygon(brush, points);
context.DrawLines(pen, points);
}
}
protected override void DrawInternal(IRenderContext2D context, IEnumerable<Point> centers, IPen2D pen, IBrush2D brush)
{
float width2 = (float)(Width * 0.5);
float height2 = (float)(Height * 0.5);
foreach (var center in centers)
{
double top = center.Y - height2;
double bottom = center.Y + height2;
double left = center.X - width2;
double right = center.X + width2;
var diamondPoints = new[]
{
// Points drawn like this:
//
// x0 (x4 in same location as x0)
//
// x3 x1
//
// x2
new Point(center.X, top), // x0
new Point(right, center.Y), // x1
new Point(center.X, bottom), // x2
new Point(left, center.Y), // x3
new Point(center.X, top), // x4 == x0
};
context.FillPolygon(brush, diamondPoints);
context.DrawLines(pen, diamondPoints);
}
}
