[HttpGet("Flatten/{doConvertCircles:bool}")] // GET /api/Editor/Flatten/false
public IActionResult Flatten(bool doConvertCircles)
{
var drawModel = HttpContext.Session.GetObjectFromJson <DrawModel>("DrawModel");
if (drawModel != null)
{
drawModel.SortStartStopSegments();
drawModel.GroupIntoSegments();
foreach (var segment in drawModel.GroupedSegments)
{
// if a segment contain a element that isn't
// polyline, convert first
var shapePoints = new List <PointF>();
foreach (var shape in segment)
{
if (shape.GetType() == typeof(DrawModel.DrawArc))
{
var a = shape as DrawModel.DrawArc;
// convert to polyline
var centerX = a.Center.X;
var centerY = a.Center.Y;
var radius = a.Radius;
var startAngle = a.StartAngle;
var endAngle = a.EndAngle;
var isClockwise = a.IsClockwise;
var points = Transformation.RenderArc(centerX, centerY, radius, startAngle, endAngle, isClockwise);
Transformation.AddAvoidDuplicates(shapePoints, points);
// and remove arc
drawModel.Arcs.Remove(a);
}
if (shape.GetType() == typeof(DrawModel.DrawLine))
{
var l = shape as DrawModel.DrawLine;
var startPoint = l.StartPoint.PointF;
var endPoint = l.EndPoint.PointF;
Transformation.AddAvoidDuplicates(shapePoints, startPoint, endPoint);
// and remove line
drawModel.Lines.Remove(l);
}
}
// add as separate polylines
var polyline = new DrawModel.DrawPolyline(shapePoints);
drawModel.Polylines.Add(polyline);
}
// converting circles
if (doConvertCircles)
{
for (int i = drawModel.Circles.Count - 1; i >= 0; i--)
{
var c = drawModel.Circles.ElementAt(i);
var cx = c.Center.X;
var cy = c.Center.Y;
var r = c.Radius;
var points = Transformation.RenderCircle(cx, cy, r);
// add as separate polylines
var polyline = new DrawModel.DrawPolyline(points);
drawModel.Polylines.Add(polyline);
// and remove circle
drawModel.Circles.Remove(c);
}
}
// update model
HttpContext.Session.SetObjectAsJson("DrawModel", drawModel);
}
else
{
_logger.LogError("Flatten unsuccessfull!");
return(BadRequest());
}
return(Ok());
}