TpTrayUtility.Components.ShapeBoxControl.Draw C# (CSharp) Метод

		public void Draw(Graphics g, PointF offset, float zoom)
		{
			if (primitive == null)
				return;
						
			
			if (primitive.isResizeble())
			{
				const int shapePointCount = 8;
				for (int i = 0; i < shapePointCount; i++)
				{
					PointF nextPoint;
					if (i == shapePointCount - 1)
						nextPoint = points[0].Position;
					else
						nextPoint = points[i + 1].Position;

					int x0 = (int) (points[i].Position.X*zoom + offset.X);
					int y0 = (int) (points[i].Position.Y*zoom + offset.Y);
					int x1 = (int) (nextPoint.X*zoom + offset.X);
					int y1 = (int) (nextPoint.Y*zoom + offset.Y);
					g.DrawLine(Pens.LightGray, x0, y0, x1, y1);
				}

				using (Brush brush = new SolidBrush(Color.FromArgb(128, 0, 0, 0)))
				{
					foreach (ShapeBoxControlPoint p in points)
					{
						g.FillEllipse(brush,
						              new Rectangle((int) (p.Position.X*zoom + offset.X - 5), (int) (p.Position.Y*zoom + offset.Y) - 5, 10,
						                            10));
						g.DrawEllipse(Pens.LightGray,
						              new Rectangle((int) (p.Position.X*zoom + offset.X - 5), (int) (p.Position.Y*zoom + offset.Y) - 5, 10,
						                            10));
					}
				}
			}
			else
			{
				int x0 = (int) (shape.Left*zoom + offset.X);
				int y0 = (int) (shape.Top*zoom + offset.Y);
				int x1 = (int) (shape.Width*zoom);
				int y1 = (int) (shape.Height*zoom);

				g.DrawRectangle(Pens.LightGray, new Rectangle(x0, y0, x1, y1));
			}
		}

        // Do not remove this commented block. Written due research. More correct relocate behavior while zoom //Yury
        //if (e.Graphics.VisibleClipBounds.Width > canvas.X + canvas.Width && canvas.X < 0 && canvas.Width < e.Graphics.VisibleClipBounds.Width)
        //    canvas.X = 0;
        //if (e.Graphics.VisibleClipBounds.Width < canvas.X + canvas.Width && canvas.Width < e.Graphics.VisibleClipBounds.Width)
        //    canvas.X = (int)(e.Graphics.VisibleClipBounds.Width - canvas.Width);
        //if (e.Graphics.VisibleClipBounds.Height > canvas.Y + canvas.Height && canvas.Y < 0 && canvas.Height < e.Graphics.VisibleClipBounds.Height)
        //    canvas.Y = 0;
        //if (e.Graphics.VisibleClipBounds.Height < canvas.Y + canvas.Height && canvas.Height < e.Graphics.VisibleClipBounds.Height)
        //    canvas.Y = (int)(e.Graphics.VisibleClipBounds.Height - canvas.Height);

        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();
        }