PdfSharp.Drawing.XGraphics.EndContainer C# (CSharp) Method

    public void EndContainer(XGraphicsContainer container)
    {
      if (container == null)
        throw new ArgumentNullException("container");

      this.gsStack.Restore(container.InternalState);
#if GDI
      if (this.targetContext == XGraphicTargetContext.GDI)
        this.gfx.Restore(container.GdiState);
#endif
#if WPF
      // nothing to do
#endif
      this.transform = container.InternalState.Transform;

      if (this.renderer != null)
        this.renderer.EndContainer(container);
    }

    public override void RenderPage(XGraphics gfx)
    {
      base.RenderPage(gfx);

      PointF[] origins = new PointF[] 
      { 
        new PointF(100, 200), new PointF(300, 200), 
        new PointF(100, 400), new PointF(300, 400),
        new PointF(100, 600), new PointF(350, 600),
      };
      PointF origin;
      XGraphicsContainer container;
      float length = 100;

      // Not transformed
      origin = origins[0];
      DrawAxes(gfx, XPens.Black, origin, length);
      gfx.DrawString(this.properties.Font2.Text, this.properties.Font2.Font, this.properties.Font2.Brush, origin);

      // Translation
      container = gfx.BeginContainer(new RectangleF(10, 10, 1, 1), new RectangleF(0, 0, 1, 1), XGraphicsUnit.Point);
      origin = origins[1];
      DrawAxes(gfx, XPens.Black, origin, length);
      gfx.TranslateTransform(20, -30);
      DrawAxes(gfx, XPens.DarkGray, origin, length);
      gfx.DrawString(this.properties.Font2.Text, this.properties.Font2.Font, this.properties.Font2.Brush, origin);
      gfx.EndContainer(container);

      // Scaling
      container = gfx.BeginContainer(new RectangleF(0, 0, 1, 1), new RectangleF(0, 0, 1, 1), XGraphicsUnit.Point);
      origin = origins[2];
      DrawAxes(gfx, XPens.Black, origin, length);
      gfx.TranslateTransform(origin.X, origin.Y);
      gfx.ScaleTransform(1.3f, 1.5f);
      DrawAxes(gfx, XPens.DarkGray, new PointF(), length);
      gfx.DrawString(this.properties.Font2.Text, this.properties.Font2.Font, this.properties.Font2.Brush, 0, 0);
      gfx.EndContainer(container);

      // Rotation
      container = gfx.BeginContainer(new RectangleF(0, 0, 1, 1), new RectangleF(0, 0, 1, 1), XGraphicsUnit.Point);
      origin = origins[3];  
      DrawAxes(gfx, XPens.Black, origin, length);
      gfx.TranslateTransform(origin.X, origin.Y);
      gfx.RotateTransform(-45);
      DrawAxes(gfx, XPens.DarkGray, new PointF(), length);
      gfx.DrawString(this.properties.Font2.Text, this.properties.Font2.Font, this.properties.Font2.Brush, 0 , 0);
      gfx.EndContainer(container);

      // Skewing (or shearing)
      container = gfx.BeginContainer(new RectangleF(0, 0, 1, 1), new RectangleF(0, 0, 1, 1), XGraphicsUnit.Point);
      origin = origins[4];  
      DrawAxes(gfx, XPens.Black, origin, length);
      gfx.TranslateTransform(origin.X, origin.Y);
      gfx.MultiplyTransform(new Matrix(1, -0.3f, -0.4f, 1, 0, 0));
      DrawAxes(gfx, XPens.DarkGray, new PointF(), length);
      gfx.DrawString(this.properties.Font2.Text, this.properties.Font2.Font, this.properties.Font2.Brush, 0 , 0);
      gfx.EndContainer(container);

      // Reflection
      container = gfx.BeginContainer(new RectangleF(0, 0, 1, 1), new RectangleF(0, 0, 1, 1), XGraphicsUnit.Point);
      origin = origins[5];  
      DrawAxes(gfx, XPens.Black, origin, length);
      gfx.TranslateTransform(origin.X, origin.Y);
      gfx.MultiplyTransform(new Matrix(-1, 0, 0, -1, 0, 0));
      DrawAxes(gfx, XPens.DarkGray, new PointF(), length);
      gfx.DrawString(this.properties.Font2.Text, this.properties.Font2.Font, this.properties.Font2.Brush, 0 , 0);
      gfx.EndContainer(container);
    }