using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using System.Windows.Forms;

namespace SE12Graphics
{

    public partial class GraphicsForm : Form
    {
        public GraphicsForm()
        {
            InitializeComponent();
        }

        private void pnlCanvas_Paint(object sender, PaintEventArgs e)
        {
            int ribbe = 50;
            int zijde = 50;
            int canvasBreedte = pnlCanvas.ClientRectangle.Width;
            int canvasHoogte = pnlCanvas.ClientRectangle.Height;
            int y = canvasHoogte - ribbe - 1;
            int x = canvasBreedte - zijde - 1;

            Graphics g = e.Graphics;
            Pen dikkerePen = new Pen(Color.Black, 3);
            g.FillRectangle(Brushes.Yellow, (canvasBreedte / 2) - 50, (canvasHoogte / 2) - 50, 100, 100);
            g.DrawEllipse(Pens.Blue, 0, 0, 75, 75);
            g.DrawEllipse(Pens.Red, canvasBreedte - 76, 0, 75, 75);
            g.DrawEllipse(Pens.Green, canvasBreedte - 76, canvasHoogte - 76, 75, 75);
            g.DrawEllipse(Pens.Purple, 0, canvasHoogte - 76, 75, 75);
            g.DrawLine(dikkerePen, 0, 0, canvasBreedte, canvasHoogte);
            g.DrawLine(dikkerePen, 0, canvasHoogte, canvasBreedte, 0);
        }

        private void pnlCanvas_MouseMove(object sender, MouseEventArgs e)
        {
            lblX.Text = e.X.ToString();
            lblY.Text = e.Y.ToString();
        }

        private void pnlCanvas_Resize(object sender, EventArgs e)
        {
            Refresh();
        }

        private void pnlCanvas_MouseDown_1(object sender, MouseEventArgs e)
        {
            Graphics g = pnlCanvas.CreateGraphics();
            g.DrawEllipse(Pens.Blue, e.X, e.Y, 75, 75);
        }
    }
}