public GPolygon(GCanvas gCanvas, PointCollection points, [Optional] Point Position, [Optional] Point origin) : base(gCanvas)
{
///Set shape properties
Shape = Polygon = new Polygon();
Points = points;
this.Position = Position;
if (origin == default(Point))
{
// origin = Points.FirstOrDefault();
}
else
{
Origin = origin;
}
//Set polygon Properties
if (Position != default(Point))
{
var left = Position.X - Origin.X;
var top = Position.Y - Origin.Y;
Polygon.Margin = new Thickness(left, top, 0, 0);
}
Polygon.HorizontalAlignment = HorizontalAlignment.Left;
Polygon.VerticalAlignment = VerticalAlignment.Center;
}
public GeometryEngine()
{
Shapes = new Dictionary <string, List <GShape> >()
{
{ "Points", new List <GShape>() },
{ "Lines", new List <GShape>() },
};
GCanvas = new GCanvas();
}
public GShape(GCanvas gCanvas)
{
GCanvas = gCanvas;
Thickness = new Thickness(101, -11, 362, 250);
Visibility = Visibility.Visible;
Stroke = Brushes.Black;
StrokeThickness = 1;
Fill = Brushes.Red;
//
Id = GeometryEngine.Id;
GeometryEngine.Id++;
}
public GText(GCanvas gCanvas, Point insertionPoint, double size, string text) : base(gCanvas)
{
TextBlock = new TextBlock();
Text = text;
Size = size; //default size =5
// defaults;
Size = 5;
ForegroundColor = Brushes.Black;
InsertionPoint = insertionPoint;
BackgroundColor = Brushes.Transparent;
TextBlock.RenderTransform = new TransformGroup();
TextBlock.FontWeight = FontWeights.Normal;
}
public GLine(GCanvas gCanvas, Point2D startPoint, Point2D endPoint) : base(gCanvas)
{
this.startPoint = startPoint;
this.endPoint = endPoint;
Shape = Line = new Line();
Line.X1 = StartPoint.X /*Scale*/;
Line.Y1 = StartPoint.Y;
//
Line.X2 = EndPoint.X /*Scale*/;
Line.Y2 = EndPoint.Y;
//Add this Shape to Canvas
Line.RenderTransform = new TransformGroup();
}
public GTriangle(GCanvas gCanvas, Point top, double sideLength) : base(gCanvas)
{
Top = top;
SideLength = sideLength * Scale;
Right = new Point(top.X + SideLength, top.Y + SideLength);
Left = new Point(top.X - SideLength, top.Y + SideLength);
if (Points == null)
{
Points = new PointCollection();
}
//add point to the polygon Points Collection
Points.Add(Top);
Points.Add(Right);
Points.Add(Left);
}
public GCircle(GCanvas gCanvas, Point position, double radius) : base(gCanvas)
{
//set shape
Shape = Circle = new Ellipse();
//set shape specific property
Position = position;
Radius = radius * Scale;
//
Circle.Height = Radius;
Circle.Width = Radius;
var left = Position.X - (Radius / 2);
var top = Position.Y - (Radius / 2);
Circle.Margin = new Thickness(left, top, 0, 0);
Fill = Brushes.Transparent;
Circle.RenderTransform = new TransformGroup();
}
public GRectangle(GCanvas gCanvas, double width, double height, Point position) : base(gCanvas)
{
Width = width;
Height = height;
Position = position;
//
Shape = Rectangle = new Rectangle();
Rectangle.Width = Width;
Rectangle.Height = Height;
Rectangle.RadiusX = RadiusX;
Rectangle.RadiusY = RadiusY;
var left = Position.X - (Width / 2);
var top = Position.Y - (Height / 2);
Rectangle.Margin = new Thickness(left, top, 0, 0);
Fill = Brushes.Transparent;
//Add this Shape to Canvas
}
public Arrow(GCanvas gCanvas, Point2D insertionPoint, double length) : base(gCanvas)
{
GCanvas = gCanvas;
InsertionPoint = insertionPoint;
Length = length;
HeadHeight = 5;
var body = new GLine(GCanvas, InsertionPoint, new Point2D(InsertionPoint.X, InsertionPoint.Y + Length));
var headRightLine = new GLine(GCanvas, InsertionPoint, new Point2D(InsertionPoint.X + HeadHeight, InsertionPoint.Y + HeadHeight));
var headLeftLine = new GLine(GCanvas, InsertionPoint, new Point2D(InsertionPoint.X - HeadHeight, InsertionPoint.Y + HeadHeight));
Lines = new List <GLine>()
{
body,
headRightLine,
headLeftLine
};
foreach (var line in Lines)
{
line.Line.RenderTransform = new TransformGroup();
}
}
public GText(GCanvas gCanvas, Point insertionPoint, string text) : this(gCanvas, insertionPoint, 5, text)
{
}
public GPolygon(GCanvas gCanvas) : this(gCanvas, new PointCollection(), default(Point), default(Point))
{
}