public void paint(ref System.Drawing.Graphics canvas, ref ViewPort vp, bool polygonOutline = false)
{
int point_r = 5; // Point radius
Point p = new Point();
int n_points = 0;
float line_width_k = (100 / (canvas.DpiX / 25.4f)) * vp.projection_scale; // Line width coefficient. (S52 docs says :"The coordinates are within the range of 0 to 32767 units. Each unit represents 0.01 mm")
foreach (var geom in geometry)
{
int transparency = (4 - geom.transparency) * 64;
transparency = Math.Min(transparency, 255);
transparency = Math.Max(0, transparency);
var color = Color.FromArgb(transparency, Style.S52colors[geom.color]);
Pen pen = new Pen(color, geom.penWidth * line_width_k);
switch (geom.type)
{
case GeometryType.LINE:
if (geom.points.Count() < 2)
{
continue;
}
n_points = geom.points.Count();
var projPnts = new Point[n_points];
for (int i = 0; i < n_points; i++)
{
projPnts[i] = vp.project(geom.points[i]);
}
canvas.DrawLines(pen, projPnts);
break;
case GeometryType.CIRCLE:
var circle = geom as HCircle;
p = vp.project(circle.points[0]);
var radius = circle.radius * vp.projection_scale;
if (circle.filled)
{
canvas.FillEllipse(new SolidBrush(color), p.X - radius, p.Y - radius, radius * 2, radius * 2);
}
else
{
canvas.DrawEllipse(pen, p.X - radius, p.Y - radius, radius * 2, radius * 2);
}
break;
case GeometryType.POINT:
p = vp.project(geom.points[0]);
int size = (int)(geom.penWidth * line_width_k);
canvas.FillRectangle(new SolidBrush(color), p.X - size / 2, p.Y - size / 2, size, size);
break;
case GeometryType.POLYGON:
if (geom.points.Count() < 2)
{
continue;
}
n_points = geom.points.Count();
projPnts = new Point[n_points];
for (int i = 0; i < n_points; i++)
{
projPnts[i] = vp.project(geom.points[i]);
}
canvas.FillPolygon(new SolidBrush(color), projPnts);
if (polygonOutline)
{
canvas.DrawPolygon(pen, projPnts);
}
break;
}
}
foreach (var geom in geometry)
{
if (!geom.selected)
{
continue;
}
switch (geom.type)
{
case GeometryType.LINE:
n_points = geom.points.Count();
var projPnts = new Point[n_points];
for (int i = 0; i < n_points; i++)
{
projPnts[i] = vp.project(geom.points[i]);
}
if (n_points > 1)
{
canvas.DrawLines(new Pen(Color.Red), projPnts);
}
for (int i = 0; i < n_points; i++)
{
canvas.DrawEllipse(new Pen(Color.Red), projPnts[i].X - point_r, projPnts[i].Y - point_r, point_r * 2, point_r * 2);
}
break;
case GeometryType.CIRCLE:
var circle = geom as HCircle;
p = vp.project(circle.points[0]);
var radius = circle.radius * vp.projection_scale;
canvas.DrawEllipse(new Pen(Color.Red), p.X - radius, p.Y - radius, radius * 2, radius * 2);
canvas.DrawEllipse(new Pen(Color.Red), p.X - point_r, p.Y - point_r, point_r * 2, point_r * 2);
break;
case GeometryType.POINT:
p = vp.project(geom.points[0]);
canvas.DrawEllipse(new Pen(Color.Red), p.X - point_r, p.Y - point_r, point_r * 2, point_r * 2);
break;
case GeometryType.POLYGON:
n_points = geom.points.Count();
projPnts = new Point[n_points];
for (int i = 0; i < n_points; i++)
{
projPnts[i] = vp.project(geom.points[i]);
}
if (n_points > 1)
{
canvas.DrawLines(new Pen(Color.Red), projPnts);
}
for (int i = 0; i < n_points; i++)
{
canvas.DrawEllipse(new Pen(Color.Red), projPnts[i].X - point_r, projPnts[i].Y - point_r, point_r * 2, point_r * 2);
}
break;
}
}
}
