void IDrawable.Draw(Graphics gr, DrawParams ps)
{
if (ps.IsPreview)
{
return;
}
using (var font = new Font("Lucida Console", 8))
using (var brush = new SolidBrush(ps.ServiceLineColor))
{
var sf = (StringFormat)StringFormat.GenericTypographic.Clone();
sf.Alignment = StringAlignment.Center;
sf.FormatFlags |= StringFormatFlags.NoWrap;
//horiz
var points = Grid.Nodes.Select(n => n.OriginalLocation.X).Distinct().OrderBy(x => x).ToArray();
for (int i = 0; i < points.Length - 1; i++)
{
var size = points[i + 1] - points[i];
var text = $"{Math.Round(size):0.}";
if (size >= 40)
{
text += "px";
}
var rect = new RectangleF(points[i], 0, size, 20);
var ts = gr.MeasureString(text, font);
if (ts.Width > rect.Width)
{
using (var f = new Font("Lucida Console", 6))
gr.DrawString(text, f, brush, rect, sf);
}
else
{
gr.DrawString(text, font, brush, rect, sf);
}
}
//vert
points = Grid.Nodes.Select(n => n.OriginalLocation.Y).Distinct().OrderBy(y => y).ToArray();
for (int i = 0; i < points.Length - 1; i++)
{
var size = points[i + 1] - points[i];
var text = $"{Math.Round(size):0.}";
if (size >= 40)
{
text += "px";
}
var loc = new PointF(0, points[i]);
var rect = new RectangleF(-size, 0, size, 20);
GraphicsState state = gr.Save();
gr.RotateTransform(-90, MatrixOrder.Append);
gr.TranslateTransform(loc.X, loc.Y, MatrixOrder.Append);
var ts = gr.MeasureString(text, font);
if (ts.Width > rect.Width)
{
using (var f = new Font("Lucida Console", 6))
gr.DrawString(text, f, brush, rect, sf);
}
else
{
gr.DrawString(text, font, brush, rect, sf);
}
gr.Restore(state);
}
}
}
