public MainForm()
{
InitializeComponent();
DrawObjects = new List <Shape>();
UserColor = Color.Black;
LineWidth = 1;
ShapeType = 0;
AlgorithmType = 0;
StartPoint = new Point(0, 0);
EndPoint = new Point(0, 0);
//init drawing objects
DrawingObjects = new Shape[8];
DrawingObjects[0] = new Line(new Point(0, 0), new Point(0, 0), Color.Black, LineWidth);
DrawingObjects[1] = new Circle(new Point(0, 0), new Point(0, 0), Color.Black, LineWidth);
DrawingObjects[2] = new Ellipse(new Point(0, 0), new Point(0, 0), Color.Black, LineWidth);
DrawingObjects[3] = new Triangle(new Point(0, 0), new Point(0, 0), Color.Black, LineWidth);
DrawingObjects[4] = new Objects.Rectangle(new Point(0, 0), new Point(0, 0), Color.Black, LineWidth);
DrawingObjects[5] = new EquilateralPolygon(new Point(0, 0), new Point(0, 0), Color.Black, 5, LineWidth);
DrawingObjects[6] = new EquilateralPolygon(new Point(0, 0), new Point(0, 0), Color.Black, 6, LineWidth);
DrawingObjects[7] = new Polygon(new Point(0, 0), new Point(0, 0), Color.Black, LineWidth);
Status = "Drawing line";
lbStatus.Text = Status;
IsStopTimer = false;
btnColorTable.BackColor = UserColor;
IsDrawing = false;
RenderContextProvider_Height = openGLControl.OpenGL.RenderContextProvider.Height;
}
private void openGLControl_MouseUp(object sender, MouseEventArgs e)
{
if (e.Button == MouseButtons.Left && ShapeType != 7)
{
EndPoint = e.Location;
EndPoint.Y = RenderContextProvider_Height - EndPoint.Y;
DrawingObjects[ShapeType].Completed = true;
IsDrawing = false;
//drawing real-time when move mouse
switch (ShapeType)
{
case 0:
DrawObjects.Add(DrawingObjects[ShapeType]);
DrawingObjects[ShapeType] = new Line(new Point(0, 0), new Point(0, 0), Color.Black, LineWidth);
break;
case 1:
Circle circle = new Circle(StartPoint, EndPoint, UserColor, LineWidth);
DrawObjects.Add(circle);
break;
case 2:
Ellipse ellipse = new Ellipse(StartPoint, EndPoint, UserColor, LineWidth);
DrawObjects.Add(ellipse);
break;
case 3:
DrawObjects.Add(DrawingObjects[ShapeType]);
DrawingObjects[ShapeType] = new Triangle(new Point(0, 0), new Point(0, 0), Color.Black, LineWidth);
break;
case 4:
DrawObjects.Add(DrawingObjects[ShapeType]);
DrawingObjects[ShapeType] = new Objects.Rectangle(new Point(0, 0), new Point(0, 0), Color.Black, LineWidth);
break;
case 5:
DrawObjects.Add(DrawingObjects[ShapeType]);
DrawingObjects[ShapeType] = new Objects.EquilateralPolygon(new Point(0, 0), new Point(0, 0), Color.Black, 5, LineWidth);
break;
case 6:
DrawObjects.Add(DrawingObjects[ShapeType]);
DrawingObjects[ShapeType] = new Objects.EquilateralPolygon(new Point(0, 0), new Point(0, 0), Color.Black, 6, LineWidth);
break;
default:
break;
}
}
if (ShapeType == 7)
{
EndPoint = e.Location;
EndPoint.Y = RenderContextProvider_Height - EndPoint.Y;
DrawingObjects[ShapeType].StartPoint = EndPoint;
if (e.Button == MouseButtons.Right)
{
DrawingObjects[ShapeType].Completed = true;
DrawObjects.Add(DrawingObjects[ShapeType]);
DrawingObjects[ShapeType] = new Polygon(new Point(0, 0), new Point(0, 0), Color.Black, LineWidth);
}
}
}
