|
private DrawGridLines ( Graphics g, |
||
| g | Graphics | The graphics surface on which to render. |
| axis | TODO | |
| orthogonalAxis | TODO | |
| a | List |
the list of world values to draw grid lines at. |
| horizontal | bool | true if want horizontal lines, false otherwise. |
| p | Pen | the pen to use to draw the grid lines. |
| return | void | |
private void DrawGridLines(
Graphics g, PhysicalAxis axis, PhysicalAxis orthogonalAxis,
List<double> a, bool horizontal, Pen p)
{
for (int i = 0; i < a.Count; ++i)
{
PointF p1 = axis.WorldToPhysical((double)a[i], true);
PointF p2 = p1;
PointF p3 = orthogonalAxis.PhysicalMax;
PointF p4 = orthogonalAxis.PhysicalMin;
if (horizontal)
{
p1.Y = p4.Y;
p2.Y = p3.Y;
}
else
{
p1.X = p4.X;
p2.X = p3.X;
}
// note: casting all drawing was necessary for sane display. why?
g.DrawLine(p, (int)p1.X, (int)p1.Y, (int)p2.X, (int)p2.Y);
}
}
