C# System.Drawing.Drawing2D.GraphicsPath.AddEllipse方法代码示例

        public frmLogin()
        {
            InitializeComponent();

            foreach (Button btn in this.Controls.OfType<Button>())
            {//this will controll all button inside form
                btn.FlatStyle = FlatStyle.Standard;
                btn.ForeColor = Color.Black;
                btn.BackColor = Color.White;
                
            }
            foreach (TextBox txtbox in this.Controls.OfType<TextBox>())
            {//this will controll all textbox inside form
                txtbox.BorderStyle = BorderStyle.None;
                
            }

            //background
            this.BackgroundImage = Properties.Resources.bg;
            this.BackgroundImageLayout = ImageLayout.Stretch;
            System.Drawing.Drawing2D.GraphicsPath gp = new System.Drawing.Drawing2D.GraphicsPath();
            gp.AddEllipse(0, 0, pictureBox1.Width - 3, pictureBox1.Height - 3);
            Region rg = new Region(gp);
            pictureBox1.Region = rg;
        }

 //Chnage Facing Direction CFD
 private void btnCFD_Paint(object sender, PaintEventArgs e)
 {
     System.Drawing.Drawing2D.GraphicsPath myGraphicsPath = new System.Drawing.Drawing2D.GraphicsPath();
        myGraphicsPath.AddEllipse(new Rectangle(0, 0, 100, 100));
        btnCFD.Size = new System.Drawing.Size(100, 100);
        btnCFD.Region = new Region(myGraphicsPath);
 }

        public Form1()
        {
            InitializeComponent();
            saveLogs("InitializeComponent");
            cookies = ReadCookiesFromDisk("cookies.dat");

            if ((!check()) && (Properties.Settings.Default.email != "") && (Properties.Settings.Default.password != ""))
            {
                if (!auth())
                    resultLabel.Text = "Error authentication";
            }

            Microsoft.Win32.RegistryKey readKey = Microsoft.Win32.Registry.LocalMachine.OpenSubKey("SOFTWARE\\ETS2MP");
            if (readKey != null)
            {
                regInstallLocation  = (string)readKey.GetValue("InstallLocation");
                regInstallDir       = (string)readKey.GetValue("InstallDir");
            }
            else
            {
                saveLogs("Game not found!");
            }

            System.Drawing.Drawing2D.GraphicsPath Button_Path = new System.Drawing.Drawing2D.GraphicsPath();
            Button_Path.AddEllipse(0, 0, btnPlay.Width, btnPlay.Height);
            System.Drawing.Region Button_Region = new System.Drawing.Region(Button_Path);
            this.btnPlay.Region = Button_Region;
        }

        public BBControl(int X, int Y, int dx, int dy)
        {
            InitializeComponent();
            this.Location = new Point(X, Y);
            Random rannd = new Random();
            this.dx = dx;
            this.dy = dy;
            while (dy == 0)
            {
                this.dy = rannd.Next(-50, 50);
            }
            while (dx == 0)
            {
                this.dx = rannd.Next(-50, 50);
            }
            Color color = Color.FromArgb(rannd.Next(255), rannd.Next(255), rannd.Next(255));
            while (color == Color.White)
            {
                color = Color.FromArgb(rannd.Next(255), rannd.Next(255), rannd.Next(255));
            }
            this.BackColor = color;
            this.Width = 2 * rannd.Next(2, 25);
            this.Height = this.Width;

            System.Drawing.Drawing2D.GraphicsPath Button_Path = new System.Drawing.Drawing2D.GraphicsPath();

            Button_Path.AddEllipse(0, 0, this.Width, this.Height);

            Region Button_Region = new Region(Button_Path);

            this.Region = Button_Region;

            thread = new Thread(DoWork);
            thread.Start();
        }

 private void frmLogginpass_Load(object sender, EventArgs e)
 {
     lblUsuario.Text = nombreUser;
     System.Drawing.Drawing2D.GraphicsPath gp = new System.Drawing.Drawing2D.GraphicsPath();
     gp.AddEllipse(0, 0, pbImgPerfil.Width - 3, pbImgPerfil.Height - 3);
     Region rg = new Region(gp);
     pbImgPerfil.Region = rg;
 }

 protected override void OnPaint(PaintEventArgs pevent)
 {
     this.Size = new Size(50, 50);
     System.Drawing.Drawing2D.GraphicsPath aCircle = new System.Drawing.Drawing2D.GraphicsPath();
     aCircle.AddEllipse(new System.Drawing.RectangleF(0, 0, 50, 50));
     this.Region = new Region(aCircle);
     base.OnPaint(pevent); 
 }

 private void frmLogin_Load(object sender, EventArgs e)
 {
     //Creating circle path
     FillRoleCombo();
     System.Drawing.Drawing2D.GraphicsPath path = new System.Drawing.Drawing2D.GraphicsPath();
     path.AddEllipse(0, 0, 400, 400);
     this.Region = new Region(path);
    
    
 }

        public BBControl(int X, int Y, int dx, int dy, int width, int height)
        {
            InitializeComponent();
            this.Location = new Point(X, Y);
            this.dx = dx;
            this.dy = dy;
            this.BackColor = Color.Black;
            this.Width = width;
            this.Height = height;

            System.Drawing.Drawing2D.GraphicsPath Button_Path = new System.Drawing.Drawing2D.GraphicsPath();

            Button_Path.AddEllipse(0, 0, this.Width, this.Height);

            Region Button_Region = new Region(Button_Path);

            this.Region = Button_Region;
        }

        private void modifyFormDesign() {

            foreach (Button btn in this.Controls.OfType<Button>())
            {//this will controll all button inside form
                btn.FlatStyle = FlatStyle.Standard;
                btn.ForeColor = Color.Black;
                btn.BackColor = Color.White;
                btn.Cursor = Cursors.Hand;
            }
            foreach (TextBox txtbox in this.Controls.OfType<TextBox>())
            {//this will controll all textbox inside form
                txtbox.BorderStyle = BorderStyle.None;

            }

            //background
            this.BackgroundImage = Properties.Resources.bg;
            this.BackgroundImageLayout = ImageLayout.Stretch;
            System.Drawing.Drawing2D.GraphicsPath gp = new System.Drawing.Drawing2D.GraphicsPath();
            gp.AddEllipse(0, 0, pictureBox1.Width, pictureBox1.Height);
            
            Region rg = new Region(gp);
            //pictureBox1.Region = rg;
        }

        /// <summary>
        /// aktualisiert das Feld nodeGraphics
        /// </summary>
        private void UpdateNodeGraphics()
        {
            if ((position != null) && (inSlope != null) && (outSlope != null))
                {
                // Linien zu den Stützpunkten
                _nodeGraphics[0] = new System.Drawing.Drawing2D.GraphicsPath(new PointF[] { inSlopeAbs, position }, new byte[] { 1, 1 });
                _nodeGraphics[1] = new System.Drawing.Drawing2D.GraphicsPath(new PointF[] { outSlopeAbs, position }, new byte[] { 1, 1 });

                // Stützpunkte
                System.Drawing.Drawing2D.GraphicsPath inPoint = new System.Drawing.Drawing2D.GraphicsPath();
                inPoint.AddEllipse(inSlopeRect);
                _nodeGraphics[2] = inPoint;

                System.Drawing.Drawing2D.GraphicsPath outPoint = new System.Drawing.Drawing2D.GraphicsPath();
                // wir versuchen ein Dreieck zu zeichnen *lol*
                Vector2 dir = outSlope.Normalized;
                outPoint.AddPolygon(
                    new PointF[] {
                        (6*dir) + outSlopeAbs,
                        (6*dir.RotateCounterClockwise(Math.PI * 2 / 3)) + outSlopeAbs,
                        (6*dir.RotateCounterClockwise(Math.PI * 4 / 3)) + outSlopeAbs,
                        (6*dir) + outSlopeAbs
                    });
                _nodeGraphics[3] = outPoint;
                }
        }

 protected override void OnPaint(System.Windows.Forms.PaintEventArgs e)
 {
     System.Drawing.Drawing2D.GraphicsPath shape = new System.Drawing.Drawing2D.GraphicsPath();
     shape.AddEllipse(0, 0, this.Width, this.Height);
     this.Region = new System.Drawing.Region(shape);
 }

            // コンストラクタ
            public Node(string value)
            {
                //値の設定
                this.Value = value;

                //コントロール(ノード)の設定
                this.button = new System.Windows.Forms.Button();
                this.button.Size = new Size(70, 70);
                System.Drawing.Drawing2D.GraphicsPath path = new System.Drawing.Drawing2D.GraphicsPath();
                path.AddEllipse(new Rectangle(10, 10, radius, radius));
                this.button.Region = new Region(path);
                this.button.BackColor = Color.White;
                this.button.Text = value;
                this.button.Font = new Font("Arial", 15, FontStyle.Bold);
                //円の描写
                Bitmap canvas = new Bitmap(this.button.Width, this.button.Height);
                Pen p = new Pen(Color.Black, 5);
                Graphics g = Graphics.FromImage(canvas);
                g.DrawEllipse(p, 10, 10, 50, 50);
                g.Dispose();
                this.button.Image = canvas;
            }

 protected override void GeneratePath()
 {
     _Path = new System.Drawing.Drawing2D.GraphicsPath();
     _Path.AddEllipse(new Rectangle(this.Location, this.Size));
 }

        public void roundOver(float playerCoordinateX, float playerCoordinateY, float radius, Graphics g, Rectangle ClientRectangle)
        {
            var circle = new System.Drawing.Drawing2D.GraphicsPath();
            circle.AddEllipse(playerCoordinateX, playerCoordinateY, radius, radius);

            g.SetClip(circle, System.Drawing.Drawing2D.CombineMode.Exclude);

            Brush brush = new SolidBrush(Color.FromArgb(30, Color.Black));
            g.FillRectangle(brush, 0, 0, currentView.backgroundImg.Width, currentView.backgroundImg.Height);

            // Image gameover = Resourses.gameover;
            //  g.DrawImage(gameover, ClientRectangle, this.currentScene.backgroundImg.Width / 2, this.currentScene.backgroundImg.Height/ 2,gameover.Width,gameover.Height);
        }

 //Rename Button
 private void btnRename_Paint(object sender, PaintEventArgs e)
 {
     //Instantiate a new instance of the GraphicsPath class.
     System.Drawing.Drawing2D.GraphicsPath myGraphicsPath = new
     System.Drawing.Drawing2D.GraphicsPath();
     myGraphicsPath.AddEllipse(new Rectangle(0, 0, 100, 100));
     //Set the control's Region property to the instance
     //of the GraphicsPath class you created above.
     btnRename.Size = new System.Drawing.Size(100, 100);
     btnRename.Region = new Region(myGraphicsPath);
 }