public void SetPoints(ScenePoint p1, ScenePoint p2, ScenePoint p3, ScenePoint p4)
{
_points[0] = p1;
_points[1] = p2;
_points[2] = p3;
_points[3] = p4;
}
public void Draw(ScenePoint origin, Graphics drawing)
{
foreach (var figure in _childFigures)
{
figure.Draw(origin, drawing);
}
}
public void Move(ScenePoint vector)
{
foreach (var figure in _childFigures)
{
figure.Move(vector);
}
}
public void Draw(ScenePoint origin, Graphics drawing)
{
using (var pen = new Pen(Color.Blue))
{
drawing.DrawLine(
pen,
(float)(_p1.X - origin.X),
(float)(_p1.Y - origin.Y),
(float)(_p2.X - origin.X),
(float)(_p2.Y - origin.Y));
drawing.DrawLine(
pen,
(float)(_p2.X - origin.X),
(float)(_p2.Y - origin.Y),
(float)(_p3.X - origin.X),
(float)(_p3.Y - origin.Y));
drawing.DrawLine(
pen,
(float)(_p3.X - origin.X),
(float)(_p3.Y - origin.Y),
(float)(_p4.X - origin.X),
(float)(_p4.Y - origin.Y));
drawing.DrawLine(
pen,
(float)(_p4.X - origin.X),
(float)(_p4.Y - origin.Y),
(float)(_p1.X - origin.X),
(float)(_p1.Y - origin.Y));
}
}
public static void Move(ScenePoint vector, ref ScenePoint[] points)
{
for (var i = 0; i < points.Length; i++)
{
points[i].X += vector.X;
points[i].Y += vector.Y;
}
}
//Ñopy constructor
public RectangleFigure(ScenePoint p1, ScenePoint p2, ScenePoint p3, ScenePoint p4)
{
_p1 = p1;
_p2 = p2;
_p3 = p3;
_p4 = p4;
SetPoints(_p1, _p2, _p3, _p4);
}
public object Clone()
{
var center = new ScenePoint {
X = _center.X, Y = _center.Y
};
var clone = new CircleFigure(center, _radius);
return(clone);
}
public void Draw(ScenePoint origin, Graphics drawing)
{
using (var pen = new Pen(Color.Green))
{
drawing.DrawEllipse(
pen,
(int)(_center.X - _radius - origin.X),
(int)(_center.Y - _radius - origin.Y),
(int)(_radius * 2),
(int)(_radius * 2));
}
}
public RectangleFigure(ScenePoint p1, ScenePoint p2)
{
_p1 = p1;
_p2 = new ScenePoint {
X = p2.X, Y = p1.Y
};
_p3 = p2;
_p4 = new ScenePoint {
X = p1.X, Y = p2.Y
};
SetPoints(_p1, _p2, _p3, _p4);
}
public static void RotateFigure(double angle, ScenePoint centerFigure, ref ScenePoint[] points)
{
var rad = (Math.PI / 180) * angle;
for (var i = 0; i < points.Length; i++)
{
var X = points[i].X;
var Y = points[i].Y;
points[i].X = centerFigure.X + (X - centerFigure.X) * Math.Cos(rad) - (Y - centerFigure.Y) * Math.Sin(rad);
points[i].Y = centerFigure.Y + (X - centerFigure.X) * Math.Sin(rad) + (Y - centerFigure.Y) * Math.Cos(rad);
}
}
public void AppendLine(string line)
{
var match = RecognizeRegex.Match(line);
if (match.Success)
{
line = match.ToString();
_name = Regex.Match(line, name).ToString().Trim();
line = line.Remove(0, _name.Length).Trim();
var coordinate = new double[2, 2];
var i = 0;
foreach (var coordinateMatch in Regex.Matches(line, point))
{
var j = 0;
foreach (var valueCoordinate in Regex.Matches(coordinateMatch.ToString(), @"-?\d{1,}"))
{
if (valueCoordinate.ToString().Length > 1 && valueCoordinate.ToString()[0] == '0')
{
throw new BadFormatException();
}
coordinate[i, j] = double.Parse(valueCoordinate.ToString());
j++;
}
i++;
}
var p1 = new ScenePoint {
X = coordinate[0, 0], Y = coordinate[0, 1]
};
var p2 = new ScenePoint {
X = coordinate[1, 0], Y = coordinate[1, 1]
};
if (Math.Abs(p1.X - p2.X) < Eps || Math.Abs(p1.Y - p2.Y) < Eps)
{
throw new BadRectanglePoint();
}
_rectangle = new RectangleFigure(p1, p2);
}
else
{
throw new BadFormatException();
}
}
public void Reflect(ReflectOrientation orientation)
{
SceneRectangle circumscribingRectangle = CalculateCircumscribingRectangle();
var pointSceneCenter = new ScenePoint
{
X = (circumscribingRectangle.Vertex1.X + circumscribingRectangle.Vertex2.X) / 2.0,
Y = (circumscribingRectangle.Vertex1.Y + circumscribingRectangle.Vertex2.Y) / 2.0
};
foreach (var figure in _childFigures)
{
var points = figure.Points;
GeneralMethodsFigure.ReflectFigure(orientation, pointSceneCenter, ref points);
figure.Points = points;
}
}
public object Clone()
{
var points = new ScenePoint[_points.Length];
var i = 0;
foreach (var point in _points)
{
points[i] = new ScenePoint {
X = point.X, Y = point.Y
};
i++;
}
var clone = new PolygonFigure(points);
return(clone);
}
public void AppendLine(string line)
{
var match = RecognizeRegex.Match(line);
if (match.Success)
{
line = match.ToString();
_name = Regex.Match(line, name).ToString().Trim();
line = line.Remove(0, _name.Length).Trim();
var coordinateMatch = Regex.Match(line, point);
var coordinate = new double[2];
var i = 0;
foreach (var valueCoordinate in Regex.Matches(coordinateMatch.ToString(), @"-?\d{1,}"))
{
if (valueCoordinate.ToString().Length > 1 && valueCoordinate.ToString()[0] == '0')
{
throw new BadFormatException();
}
coordinate[i] = double.Parse(valueCoordinate.ToString());
i++;
}
line = line.Remove(0, coordinateMatch.ToString().Length);
var radius = double.Parse(Regex.Match(line, @"-?\d{1,}").ToString());
if (radius <= 0)
{
throw new BadCircleRadius();
}
var p = new ScenePoint {
X = coordinate[0], Y = coordinate[1]
};
_circle = new CircleFigure(p, radius);
}
else
{
throw new BadFormatException();
}
}
/* Return new Rectangle with the same points as the current one. */
public object Clone()
{
var p1 = new ScenePoint {
X = _p1.X, Y = _p1.Y
};
var p2 = new ScenePoint {
X = _p2.X, Y = _p2.Y
};
var p3 = new ScenePoint {
X = _p3.X, Y = _p3.Y
};
var p4 = new ScenePoint {
X = _p4.X, Y = _p4.Y
};
var clone = new RectangleFigure(p1, p2, p3, p4);
return(clone);
}
public static void ReflectFigure(ReflectOrientation orientation, ScenePoint centerFigure, ref ScenePoint[] points)
{
if (orientation == ReflectOrientation.Vertical)
{
for (var i = 0; i < points.Length; i++)
{
points[i].X += (centerFigure.X - points[i].X) * 2;
}
}
if (orientation == ReflectOrientation.Horizontal)
{
for (var i = 0; i < points.Length; i++)
{
points[i].Y += (centerFigure.Y - points[i].Y) * 2;
}
}
}
private static bool IsSegmentsIntersect(ScenePoint a, ScenePoint b, ScenePoint c, ScenePoint d)
{
if (Math.Abs(b.X - c.X) < Eps && Math.Abs(b.Y - c.Y) < Eps)
{
var k1 = (b.X - a.X) / (b.Y - a.Y);
var k2 = (d.X - c.X) / (d.Y - c.Y);
if (k1 != k2)
{
return(false);
}
}
return(Intersect(a.X, b.X, c.X, d.X) &&
Intersect(a.Y, b.Y, c.Y, d.Y) &&
OrientedAreaTriangle(a, b, c) * OrientedAreaTriangle(a, b, d) <= Eps &&
OrientedAreaTriangle(c, d, a) * OrientedAreaTriangle(c, d, b) <= Eps);
}
public void Draw(ScenePoint origin, Graphics drawing)
{
using (var pen = new Pen(Color.DarkOrchid))
{
for (var i = 0; i < _points.Length; i++)
{
ScenePoint firstPoint = _points[i];
ScenePoint secondPoint = i >= _points.Length - 1 ? _points.First() : _points[i + 1];
drawing.DrawLine(
pen,
(float)(firstPoint.X - origin.X),
(float)(firstPoint.Y - origin.Y),
(float)(secondPoint.X - origin.X),
(float)(secondPoint.Y - origin.Y));
}
}
}
private bool EqualScenePoints(ScenePoint scenePoint1, ScenePoint scenePoint2)
{
double Eps = 1e-10;
return((Math.Abs(scenePoint1.X - scenePoint2.X) < Eps && Math.Abs(scenePoint1.Y - scenePoint2.Y) < Eps) ? true : false);
}
public void Move(ScenePoint vector)
{
GeneralMethodsFigure.Move(vector, ref _points);
_center = _points[0];
}
public CircleFigure(ScenePoint center, double radius)
{
_center = center;
_radius = radius;
_points[0] = _center;
}
public MoveCommand(string name, ScenePoint vector)
{
_name = name;
_vector = vector;
}
/* Move all the points of current rectangle. */
public void Move(ScenePoint vector)
{
GeneralMethodsFigure.Move(vector, ref _points);
SetP(_points);
}
public void AppendLine(string line)
{
var matchStart = RecognizeRegexStart.Match(line);
var matchCoordinate = RecognizeRegexCoordinate.Match(line);
var matchEnd = RecognizeRegexEnd.Match(line);
if (matchStart.Success)
{
line = line.Remove(matchStart.Index, matchStart.Length);
_name = line.Trim();
}
else if (matchCoordinate.Success)
{
var coordinate = new double[2];
var i = 0;
foreach (var valueCoordinate in Regex.Matches(matchCoordinate.ToString(), @"-?\d{1,}"))
{
if (valueCoordinate.ToString().Length > 1 && valueCoordinate.ToString()[0] == '0')
{
throw new BadFormatException();
}
coordinate[i] = double.Parse(valueCoordinate.ToString());
i++;
}
var coord = new ScenePoint {
X = coordinate[0], Y = coordinate[1]
};
//Check for a match with a point in the polygon
for (var j = 0; j < _coordinatePolygon.Count; j++)
{
if (Math.Abs(_coordinatePolygon[j].X - coord.X) < Eps && Math.Abs(_coordinatePolygon[j].Y - coord.Y) < Eps)
{
throw new BadPolygonPoint();
}
}
//Self-healing check
if (_coordinatePolygon.Count >= 2)
{
for (var j = 0; j < _coordinatePolygon.Count - 1; j++)
{
if (IsSegmentsIntersect(_coordinatePolygon[j], _coordinatePolygon[j + 1],
_coordinatePolygon[_coordinatePolygon.Count - 1], coord))
{
throw new BadPolygonPoint();
}
}
}
_coordinatePolygon.Add(coord);
}
else if (matchEnd.Success)
{
if (_coordinatePolygon.Count < 3)
{
throw new BadPolygonPointNumber();
}
var coordinates = new ScenePoint[_coordinatePolygon.Count];
for (var i = 0; i < coordinates.Length; i++)
{
coordinates[i] = _coordinatePolygon[i];
}
_endPoligon = true;
_polygon = new PolygonFigure(coordinates);
}
else
{
throw new BadFormatException();
}
}
private static double OrientedAreaTriangle(ScenePoint a, ScenePoint b, ScenePoint c)
{
return(((b.X - a.X) * (c.Y - a.Y)) - ((b.Y - a.Y) * (c.X - a.X)));
}