C# PointF类代码示例

        public static void WriteDefaultFaceCalculation(PointF[] shape)
        {
            var calculatedFaceAlignment = GetFaceCalculationsFromShape(shape);
            using (var db = new GrimacizerContext(GrimacizerContext.ConnectionString))
            {
                var faceCalculations = db.FaceCalculations.FirstOrDefault();

                faceCalculations._0_TamplaStanga = calculatedFaceAlignment._0_TamplaStanga;
                faceCalculations._1_TamplaDreapta = calculatedFaceAlignment._1_TamplaDreapta;
                faceCalculations._2_Barbie = calculatedFaceAlignment._2_Barbie;
                faceCalculations._3_SpranceanaDreapta = calculatedFaceAlignment._3_SpranceanaDreapta;
                faceCalculations._4_ArieOchiStang = calculatedFaceAlignment._4_ArieOchiStang;
                faceCalculations._5_ArieOchiDrept = calculatedFaceAlignment._5_ArieOchiDrept;
                faceCalculations._6_MarimeOchiStang = calculatedFaceAlignment._6_MarimeOchiStang;
                faceCalculations._7_MarimeOchiDrept = calculatedFaceAlignment._7_MarimeOchiDrept;
                faceCalculations._8_InaltimeGura = calculatedFaceAlignment._8_InaltimeGura;
                faceCalculations._9_Unghi_60_67 = calculatedFaceAlignment._9_Unghi_60_67;
                faceCalculations._10_Unghi_64_65 = calculatedFaceAlignment._10_Unghi_64_65;
                faceCalculations._11_LungimeGuraExterior = calculatedFaceAlignment._11_LungimeGuraExterior;
                faceCalculations._12_UnghiNasStanga = calculatedFaceAlignment._12_UnghiNasStanga;
                faceCalculations._13_UnghiNasDreapta = calculatedFaceAlignment._13_UnghiNasDreapta;
                faceCalculations._14_ArieFata = calculatedFaceAlignment._14_ArieFata;
                faceCalculations._15_ArieGura = calculatedFaceAlignment._15_ArieGura;

                db.SubmitChanges();
            }
        }

 public static float Angle(PointF pt1, PointF pt2)
 {
     if (pt1 == pt2)
         return 0.0F;
     else
         return (float) (Math.Atan2(pt2.Y - pt1.Y, pt2.X - pt1.X) * 360.0 / (Math.PI * 2));
 }

    public static Point closestPointOfPolyline(Point[] polyline, Point pt)
    {
        PointF[] Ptsf = PointsToPointsF(polyline);
        PointF Ptf = PointToPointF (pt);

        double distanceClosest = Double.PositiveInfinity;
        PointF closestPoint = new PointF();

        for(int x=0; x< Ptsf.Length-1; x++)
        {
            PointF closest;
            double dist = FindDistanceToSegment(Ptf,
                                                Ptsf[x],
                                                Ptsf[x+1],
                                                out closest);

            if(dist < distanceClosest)
            {
                distanceClosest = dist;
                closestPoint = closest;
            }
        }

        return PointFToPoint (closestPoint);
    }

 public override bool Overlaps(RectangleShape rect, PointF offset)
 {
     // Two rectangles, A and B, overlap iff one of the corners of B is contained in A or if A is completely contained within B.
     PointF a1 = new PointF(-rect.Width / 2 + offset.X, -rect.Height / 2 + offset.Y);
     bool overlaps = (a1.X >= -width / 2) && (a1.X <= width / 2) && (a1.Y >= -height / 2) && (a1.Y <= height / 2);
     if (!overlaps)
     {
         PointF a2 = new PointF(rect.Width / 2 + offset.X, -rect.Height / 2 + offset.Y);
         overlaps = (a2.X >= -width / 2) && (a2.X <= width / 2) && (a2.Y >= -height / 2) && (a2.Y <= height / 2);
         if (!overlaps)
         {
             PointF a3 = new PointF(rect.Width / 2 + offset.X, rect.Height / 2 + offset.Y);
             overlaps = (a3.X >= -width / 2) && (a3.X <= width / 2) && (a3.Y >= -height / 2) && (a3.Y <= height / 2);
             if (!overlaps)
             {
                 PointF a4 = new PointF(-rect.Width / 2 + offset.X, rect.Height / 2 + offset.Y);
                 overlaps = (a4.X >= -width / 2) && (a4.X <= width / 2) && (a4.Y >= -height / 2) && (a4.Y <= height / 2);
                 if (!overlaps)
                 {
                     overlaps = (-width / 2 >= a1.X) && (-width / 2 <= a2.X) && (-height / 2 >= a1.Y) && (-height / 2 <= a3.Y);
                 }
             }
         }
     }
     return overlaps;
 }

 public RotationParameters(float rotateX, float rotateY, float rotateZ)
 {
     m_rotateX = rotateX;
     m_rotateY = rotateY;
     m_rotateZ = rotateZ;
     m_rotationCenter = new PointF(0.5f, 0.5f);
 }

        /// <summary>
        /// Initializes a new instance of the <see cref="CustomBody"/> class.
        /// </summary>
        public CustomBody()
        {
            _clippedEdges = FrameEdges.None;

            _handLeftConfidence = TrackingConfidence.Low;
            _handLeftState = HandState.Unknown;
            _handRightConfidence = TrackingConfidence.Low;
            _handRightState = HandState.Unknown;
            _isDisposed = false;
            _isRestricted = false;
            _isTracked = false;

            _joints = new Dictionary<JointType, IJoint>();
            _jointOrientations = new Dictionary<JointType, IJointOrientation>();
            foreach (var jointType in CustomJointType.AllJoints)
            {
                _joints.Add(jointType, new CustomJoint(jointType));
                _jointOrientations.Add(jointType, new CustomJointOrientation(jointType));
            }

            _lean = new PointF();

            _leanTrackingState = TrackingState.NotTracked;
            _trackingId = ulong.MaxValue;
            _hasMappedDepthPositions = false;
            _hasMappedColorPositions = false;
        }

	static bool Method (PointF f)
	{
		Console.WriteLine ("Method with PointF arg: {0} {1}", f.fa, f.fb);
		if (f.fa != 100 || f.fb != 200)
			return false;
		return true;
	}

    private static PointF RotateAndFindNewDimensions(PointF point, float angle)
    {
        using (Matrix matrix = new Matrix())
        {
            PointF[] points = new PointF[] {
                    new PointF(0f, 0f),
                    new PointF(0f, point.Y),
                    new PointF(point.X, 0f),
                    new PointF(point.X, point.Y)
                };

            matrix.Rotate(angle);
            matrix.TransformPoints(points);
            float minX = points[0].X;
            float maxX = minX;
            float minY = points[0].Y;
            float maxY = minY;
            for (int i = 1; i < 4; i++)
            {
                minX = Math.Min(minX, points[i].X);
                maxX = Math.Max(maxX, points[i].X);
                minY = Math.Min(minY, points[i].Y);
                maxY = Math.Max(maxY, points[i].Y);
            }

            return new PointF(maxX - minX, maxY - minY);
        }
    }

    public  Bitmap generateTicket(string ticketType, string start, string destination, string price)
    {
        
       //Orte der verschiedenen Textboxen auf dem Ticket:
        Point StartLine1 = new Point(0,100);
        Point EndLine1 = new Point(960, 100);
        Point StartLine2 = new Point(0, 700);
        Point EndLine2 = new Point(960, 700);
        PointF logoLocation = new PointF(150,20);
        PointF fromLocation = new PointF(40,300);
        PointF toLocation = new PointF(40,500);
        PointF totalLocation = new PointF(40,750);
        PointF ticketTypeLocation = new PointF(40, 150);
        PointF startLocation = new PointF(40, 400);
        PointF destinationLocation = new PointF(40, 600);
        PointF priceLocation = new PointF(500, 750);

        //string imageFilePath = "C:\\Users\\kuehnle\\Documents\\TestWebsite\\NewTestTicket.bmp";

        
        Bitmap tempBmp = new Bitmap(960,900);

        //auf das neu erstellte Bitmap draufzeichnen:
        using (Graphics g = Graphics.FromImage(tempBmp))
        {

            g.Clear(Color.White);
            g.DrawLine(new Pen(Brushes.Black,10), StartLine1, EndLine1);
            g.DrawLine(new Pen(Brushes.Black,10), StartLine2, EndLine2);
            
            using (Font arialFont = new Font("Arial", 40,FontStyle.Bold))
            {

                g.DrawString("Jakarta Commuter Train", arialFont, Brushes.Black, logoLocation);
               
                g.DrawString(ticketType, arialFont, Brushes.Black, ticketTypeLocation);
                

            }
            using (Font arialFont = new Font("Arial", 40, FontStyle.Underline))
            {
                g.DrawString("From:", arialFont, Brushes.Black, fromLocation);
                g.DrawString("To:", arialFont, Brushes.Black, toLocation);
            }
            using (Font arialFont = new Font("Arial", 40, FontStyle.Regular))
            {
                g.DrawString("Total:", arialFont, Brushes.Black, totalLocation);
                g.DrawString(start, arialFont, Brushes.Black, startLocation);
                g.DrawString(destination, arialFont, Brushes.Black, destinationLocation);
                g.DrawString(price, arialFont, Brushes.Black, priceLocation);
            }
        }
        //Farbtiefe auf 1 reduzieren:
        Bitmap ticket = tempBmp.Clone(new Rectangle(0, 0, tempBmp.Width, tempBmp.Height),PixelFormat.Format1bppIndexed);
        
        //ticket.Save(imageFilePath,System.Drawing.Imaging.ImageFormat.Bmp);
        //ticket.Dispose();
        return ticket;

    }

	// Constructors.
	public RectangleF(PointF location, SizeF size)
			{
				x = location.X;
				y = location.Y;
				width = size.Width;
				height = size.Height;
			}

        public MWLocation(float[] _points)
        {

            points = new PointF[4];

            for (int i = 0; i < 4; i++)
            {
                points[i] = new PointF();
                points[i].x = _points[i * 2];
                points[i].y = _points[i * 2 + 1];
            }
            p1 = new PointF();
            p2 = new PointF();
            p3 = new PointF();
            p4 = new PointF();

            p1.x = _points[0];
            p1.y = _points[1];
            p2.x = _points[2];
            p2.y = _points[3];
            p3.x = _points[4];
            p3.y = _points[5];
            p4.x = _points[6];
            p4.y = _points[7];
        }

        public void NonDefaultConstructorTest(float x, float y)
        {
            PointF p1 = new PointF(x, y);

            Assert.Equal(x, p1.X);
            Assert.Equal(y, p1.Y);
        }

		public SimulationView (Context context, SensorManager sensorManager, IWindowManager window)
			: base (context)
		{
			Bounds = new PointF ();

			// Get an accelorometer sensor
			sensor_manager = sensorManager;
			accel_sensor = sensor_manager.GetDefaultSensor (SensorType.Accelerometer);

			// Calculate screen size and dpi
			var metrics = new DisplayMetrics ();
			window.DefaultDisplay.GetMetrics (metrics);

			meters_to_pixels_x = metrics.Xdpi / 0.0254f;
			meters_to_pixels_y = metrics.Ydpi / 0.0254f;

			// Rescale the ball so it's about 0.5 cm on screen
			var ball = BitmapFactory.DecodeResource (Resources, Resource.Drawable.Ball);
			var dest_w = (int)(BALL_DIAMETER * meters_to_pixels_x + 0.5f);
			var dest_h = (int)(BALL_DIAMETER * meters_to_pixels_y + 0.5f);
			ball_bitmap = Bitmap.CreateScaledBitmap (ball, dest_w, dest_h, true);

			// Load the wood background texture
			var opts = new BitmapFactory.Options ();
			opts.InDither = true;
			opts.InPreferredConfig = Bitmap.Config.Rgb565;
			wood_bitmap = BitmapFactory.DecodeResource (Resources, Resource.Drawable.Wood, opts);
			wood_bitmap2 = BitmapFactory.DecodeResource (Resources, Resource.Drawable.Wood, opts);

			display = window.DefaultDisplay;
			particles = new ParticleSystem (this);
		}

 public void AddLines(PointF[] points)
 {
     for (int index = 0; index < points.Length; ++index)
     {
         AddLine(points[index]);
     }
 }

	public static void Main(string[] args)
	{	
		Graphics.DrawImageAbort imageCallback;
		Bitmap outbmp = new Bitmap (300, 300);				
		Bitmap bmp = new Bitmap("../../Test/System.Drawing/bitmaps/almogaver24bits.bmp");
		Graphics dc = Graphics.FromImage (outbmp);        
		
		ImageAttributes imageAttr = new ImageAttributes();
		
		/* Simple image drawing */		
		dc.DrawImage(bmp, 0,0);				
				
		/* Drawing using points */
		PointF ulCorner = new PointF(150.0F, 0.0F);
		PointF urCorner = new PointF(350.0F, 0.0F);
		PointF llCorner = new PointF(200.0F, 150.0F);
		RectangleF srcRect = new Rectangle (0,0,100,100);		
		PointF[] destPara = {ulCorner, urCorner, llCorner};	
		imageCallback =  new Graphics.DrawImageAbort(DrawImageCallback);		
		dc.DrawImage (bmp, destPara, srcRect, GraphicsUnit.Pixel, imageAttr, imageCallback);
	
		/* Using rectangles */	
		RectangleF destRect = new Rectangle (10,200,100,100);
		RectangleF srcRect2 = new Rectangle (50,50,100,100);		
		dc.DrawImage (bmp, destRect, srcRect2, GraphicsUnit.Pixel);		
		
		/* Simple image drawing with with scaling*/		
		dc.DrawImage(bmp, 200,200, 75, 75);				
		
		outbmp.Save("drawimage.bmp", ImageFormat.Bmp);				
		
	}