private void Draw(Bitmap bitmap, GeometryShader2D shader, Matrix4x4 transform)
{
var geometries = new List <IMarkGeometry>();
var border = (MarkGeometryRectangle)Boundary.Clone();
border.Stroke = Color.White;
border.Transform(transform);
geometries.Add(border);
// apply transformation to geometries
foreach (var line in Segments)
{
var geometry = ((IMarkGeometry)line.Clone());
geometry.Transform(transform);
geometries.Add(geometry);
}
// draw used cells in red
shader.Draw(
bitmap,
geometries
);
if (ChildrenExists)
{
NorthWest.Draw(bitmap, shader, transform);
NorthEast.Draw(bitmap, shader, transform);
SouthWest.Draw(bitmap, shader, transform);
SouthEast.Draw(bitmap, shader, transform);
}
}
public void Draw(Graphics graphics)
{
Pen pen = Pens.Black;
graphics.DrawRectangle(pen, Bounds);
if (Point != null)
{
Point.Draw(graphics);
}
if (NorthWest != null)
{
NorthWest.Draw(graphics);
}
if (NorthEast != null)
{
NorthEast.Draw(graphics);
}
if (SouthWest != null)
{
SouthWest.Draw(graphics);
}
if (SouthEast != null)
{
SouthEast.Draw(graphics);
}
}