private void drawLine(int city1, int city2)
{
intPair p1 = problem.positions[city1];
intPair p2 = problem.positions[city2];
g.DrawLine(Pens.Blue, (float)(p1.x * xStretch) + nodeSize/2, (float)(p1.y * yStretch) + nodeSize/2,
(float)(p2.x * xStretch) + nodeSize / 2, (float)(p2.y * yStretch) + nodeSize / 2);
}
private void drawNode(int city)
{
intPair p = problem.positions[city];
if (showNumbers)
{
g.DrawRectangle(Pens.Black, (float)(p.x * xStretch), (float)(p.y * yStretch), 2, 2);
g.DrawString(city.ToString(), new Font("Arial", 15), Brushes.Blue, new PointF(
(float)(p.x * xStretch) - nodeSize, (float)(p.y * yStretch) - nodeSize));
}
else
g.DrawRectangle(Pens.Black, (float)(p.x * xStretch), (float)(p.y * yStretch), nodeSize, nodeSize);
}
private void fillNode(int city, Color c)
{
intPair p = problem.positions[city];
g.FillRectangle(new SolidBrush(c), (float)(p.x * xStretch), (float)(p.y * yStretch), nodeSize, nodeSize);
g.DrawRectangle(Pens.Black, (float)(p.x * xStretch), (float)(p.y * yStretch), nodeSize, nodeSize);
}
