//====== private static methods
private static void DrawRectangle(TextCanvas canvas, Rectangle rect, bool isFrame)
{
if (rect.Size.HasNoArea)
{
return;
}
var backColor = isFrame ? Color16.White : Color16.Black;
var cell = new TextCell(' ', Color16.Black, backColor);
canvas.HLine(rect.TopLeft, rect.Size.Width, cell);
canvas.HLine(rect.BottomLeft, rect.Size.Width, cell);
canvas.VLine(rect.TopLeft, rect.Size.Height, cell);
canvas.VLine(rect.TopRight, rect.Size.Height, cell);
}
