TpTrayUtility.Components.ImageViewPort.OnPaint C# (CSharp) Method

		protected override void OnPaint(PaintEventArgs e)
		{
			e.Graphics.SmoothingMode = SmoothingMode.AntiAlias;

			//e.Graphics.DrawString(string.Format("x:{0} y:{1}", _offsetX, _offsetY), new Font("Arial", 12), new SolidBrush(Color.White), 300, 300);
			//e.Graphics.DrawString(string.Format("X:{0} Y:{1} Width:{2} Height:{3}", _scrollAreaWidth, _scrollAreaHeight, AutoScrollPosition.X, AutoScrollPosition.Y), new Font("Arial", 12), new SolidBrush(Color.White), 40, 40);
			//e.Graphics.DrawString(string.Format("x:{0} y:{1}", MousePosition.X, MousePosition.Y), new Font("Arial", 12), new SolidBrush(Color.White), 40, 40);

			RectangleF canvas = GetCanvas();
			AutoScrollMinSize = new Size((int)(canvas.Width), (int)(canvas.Height));
			UpdateBounds();
			AutoScrollMargin = new Size();
			if (canvas.Width <= ClientSize.Width && canvas.Height <= ClientSize.Height)
			{
				AutoScrollPosition = new Point(0, 0);
				AutoScroll = false;
				HorizontalScroll.Visible = false;
				VerticalScroll.Visible = false;
				HScroll = false;
				VScroll = false;
			}
			else
			{
				AutoScroll = true;
			}
			
			e.Graphics.TranslateTransform(AutoScrollPosition.X, AutoScrollPosition.Y);
			canvas = GetCanvas();
			
			_currentDelta = GetDeltaForCanvas(canvas);
			PointF offset = PictureOffset;

			canvas.Offset(offset);

			var delta = _currentDelta;

			using (Brush br = new SolidBrush(CustomBackColor))
			{
				e.Graphics.FillRectangle(br, new RectangleF(canvas.X + delta.X, canvas.Y + delta.Y, canvas.Width, canvas.Height));
			}
			
			foreach (var primitive in _allPainting)
			{
				DrawPrimitive(primitive, e.Graphics, _zoom, new PointF(offset.X + delta.X, offset.Y + delta.Y));
			}

			if (_currentPrimitive != null)
			{
				DrawPrimitive(_currentPrimitive, e.Graphics, _zoom, new PointF(offset.X + delta.X, offset.Y + delta.Y));
			}

			if (_shapeControl.Primitive != null)
			{
				_shapeControl.Primitive = _shapeControl.Primitive;
				_shapeControl.Draw(e.Graphics, new PointF(offset.X + delta.X, offset.Y + delta.Y), _zoom);
			}

			var property = FindPorpertyControl();
			if (property != null)
			{
				property.Zoom = (int) (_zoom*100);
			}

			NormalizeEx();
			
			UpdatePropertyControlPosition();
			
		}