C# XGraphics.RotateTransform方法代码示例

    /// <summary>
    /// Demonstrates the use of XGraphics.Transform.
    /// </summary>
    public override void RenderPage(XGraphics gfx)
    {
      //gfx.Clear(this.properties.General.BackColor.Color);
      base.RenderPage(gfx);

      gfx.DrawLine(XPens.MediumSlateBlue, 0, 0, 150, 200);
      gfx.DrawPolygon(properties.Pen1.Pen, GetPentagram(75, new PointF(150, 200)));

      Matrix matrix = new Matrix();
      //matrix.Scale(2f, 1.5f);
      //matrix.Translate(-200, -400);
      //matrix.Rotate(45);
      //matrix.Translate(200, 400);
      //gfx.Transform = matrix;
      //gfx.TranslateTransform(50, 30);

#if true
      gfx.TranslateTransform(30, 40, XMatrixOrder.Prepend);
      gfx.ScaleTransform(2.0f, 2.0f, XMatrixOrder.Prepend);
      gfx.RotateTransform(15, XMatrixOrder.Prepend);
#else
      gfx.TranslateTransform(30, 40, XMatrixOrder.Append);
      gfx.ScaleTransform(2.0f, 2.0f, XMatrixOrder.Append);
      gfx.RotateTransform(15, XMatrixOrder.Append);
#endif
      bool id = matrix.IsIdentity;
      matrix.Scale(2.0f, 2.0f, MatrixOrder.Prepend);
      //matrix.Translate(30, -50);
      matrix.Rotate(15, MatrixOrder.Prepend);
      //Matrix mtx = gfx.Transform.ToGdiMatrix();
      //gfx.Transform = matrix;

      gfx.DrawLine(XPens.MediumSlateBlue, 0, 0, 150, 200);
      gfx.DrawPolygon(properties.Pen2.Pen, GetPentagram(75, new PointF(150, 200)));
    }

    /// <summary>
    /// Demonstrates the use of XGraphics.Transform.
    /// </summary>
    public override void RenderPage(XGraphics gfx)
    {
      base.RenderPage(gfx);

      //XGraphicsState state = gfx.Save();

      gfx.Save();
      gfx.IntersectClip(new XRect(20, 20, 300, 500));
      gfx.DrawRectangle(XBrushes.Yellow, 0, 0, gfx.PageSize.Width, gfx.PageSize.Height);
      gfx.Restore();

      gfx.Save();
      gfx.IntersectClip(new XRect(100, 200, 300, 500));
      gfx.DrawRectangle(XBrushes.LightBlue, 0, 0, gfx.PageSize.Width, gfx.PageSize.Height);

      gfx.DrawLine(XPens.MediumSlateBlue, 0, 0, 150, 200);
      gfx.DrawPolygon(properties.Pen1.Pen, GetPentagram(75, new PointF(150, 200)));


      Matrix matrix = new Matrix();
      //matrix.Scale(2f, 1.5f);
      //matrix.Translate(-200, -400);
      //matrix.Rotate(45);
      //matrix.Translate(200, 400);
      //gfx.Transform = matrix;
      //gfx.TranslateTransform(50, 30);

#if true
      gfx.TranslateTransform(30, 40, XMatrixOrder.Prepend);
      gfx.ScaleTransform(2.0f, 2.0f, XMatrixOrder.Prepend);
      gfx.RotateTransform(15, XMatrixOrder.Prepend);
#else
      gfx.TranslateTransform(30, 40, XMatrixOrder.Append);
      gfx.ScaleTransform(2.0f, 2.0f, XMatrixOrder.Append);
      gfx.RotateTransform(15, XMatrixOrder.Append);
#endif
      bool id = matrix.IsIdentity;
      matrix.Scale(2.0f, 2.0f, MatrixOrder.Prepend);
      //matrix.Translate(30, -50);
      matrix.Rotate(15, MatrixOrder.Prepend);
      //Matrix mtx = gfx.Transform.ToGdiMatrix();
      //gfx.Transform = matrix;

      gfx.DrawLine(XPens.MediumSlateBlue, 0, 0, 150, 200);
      gfx.DrawPolygon(properties.Pen2.Pen, GetPentagram(75, new PointF(150, 200)));

      gfx.Restore();

      gfx.DrawLine(XPens.Red, 0, 0, 1000, 1000);

      gfx.DrawPolygon(XPens.SandyBrown, GetPentagram(75, new PointF(150, 200)));

    }

    /// <summary>
    /// Demonstrates the use of XGraphics.DrawImage.
    /// </summary>
    public override void RenderPage(XGraphics gfx)
    {
      base.RenderPage(gfx);

      XImage image = XImage.FromFile(@"..\..\images\Test (OS2).bmp");  

      double dx = gfx.PageSize.Width;
      double dy = gfx.PageSize.Height;

#if true
      gfx.TranslateTransform(dx / 2, dy / 2);
      gfx.RotateTransform(-60);
      gfx.TranslateTransform(-dx / 2, -dy / 2);
#endif

      gfx.DrawImage(image, (dx - image.PixelWidth) / 2, (dy - image.PixelHeight) / 2, image.PixelWidth, image.PixelHeight);
    }

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

      XImage image = XImage.FromFile(@"..\..\..\..\samples\PDFs\SomeLayout.pdf");

      double dx = gfx.PageSize.Width;
      double dy = gfx.PageSize.Height;

#if true
      gfx.TranslateTransform(dx / 2, dy / 2);
      gfx.RotateTransform(-25);
      gfx.TranslateTransform(-dx / 2, -dy / 2);
#endif

      gfx.DrawImage(image, (dx - image.PixelWidth) / 2, (dy - image.PixelHeight) / 2, image.PixelWidth, image.PixelHeight);
    }

        private static void RenderToGraphics(Render.RenderContext ctx, int rot, float translateX, float translateY, XGraphics graphics)
        {
            graphics.TranslateTransform(translateX, translateY);
            graphics.RotateTransform(rot * 90);

            using (Maps.Rendering.RenderUtil.SaveState(graphics))
            {

                if (ctx.clipPath != null)
                {
                    XMatrix m = ctx.ImageSpaceToWorldSpace;
                    graphics.MultiplyTransform(m);
                    graphics.IntersectClip(ctx.clipPath);
                    m.Invert();
                    graphics.MultiplyTransform(m);
                }

                ctx.graphics = graphics;
                Maps.Rendering.Render.RenderTile(ctx);
            }


            if (ctx.border && ctx.clipPath != null)
            {
                using (Maps.Rendering.RenderUtil.SaveState(graphics))
                {
                    // Render border in world space
                    XMatrix m = ctx.ImageSpaceToWorldSpace;
                    graphics.MultiplyTransform(m);
                    XPen pen = new XPen(ctx.styles.imageBorderColor, 0.2f);

                    // PdfSharp can't ExcludeClip so we take advantage of the fact that we know 
                    // the path starts on the left edge and proceeds clockwise. We extend the 
                    // path with a counterclockwise border around it, then use that to exclude 
                    // the original path's region for rendering the border.
                    ctx.clipPath.Flatten();
                    RectangleF bounds = PathUtil.Bounds(ctx.clipPath);
                    bounds.Inflate(2 * (float)pen.Width, 2 * (float)pen.Width);
                    List<byte> types = new List<byte>(ctx.clipPath.Internals.GdiPath.PathTypes);
                    List<PointF> points = new List<PointF>(ctx.clipPath.Internals.GdiPath.PathPoints);

                    PointF key = points[0];
                    points.Add(new PointF(bounds.Left, key.Y)); types.Add(1);
                    points.Add(new PointF(bounds.Left, bounds.Bottom)); types.Add(1);
                    points.Add(new PointF(bounds.Right, bounds.Bottom)); types.Add(1);
                    points.Add(new PointF(bounds.Right, bounds.Top)); types.Add(1);
                    points.Add(new PointF(bounds.Left, bounds.Top)); types.Add(1);
                    points.Add(new PointF(bounds.Left, key.Y)); types.Add(1);
                    points.Add(new PointF(key.X, key.Y)); types.Add(1);

                    XGraphicsPath path = new XGraphicsPath(points.ToArray(), types.ToArray(), XFillMode.Winding);
                    graphics.IntersectClip(path);
                    graphics.DrawPath(pen, ctx.clipPath);
                }
            }
        }

        /// <summary>
        /// Draws a PNG image with transparency.
        /// </summary>
        public void DrawPngRotated(XGraphics gfx, int number, XImage pngImage)
        {
            //BeginBox(gfx, number, "DrawImage (PNG)");

            XImage image = pngImage;

            //const double dx = 250, dy = 140;

            //double width = image.PixelWidth * 72 / image.HorizontalResolution;
            //double height = image.PixelHeight * 72 / image.HorizontalResolution;

            //gfx.DrawImage(image, (dx - width) / 2, (dy - height) / 2, width, height);

            const double dx = 250, dy = 140;

            gfx.TranslateTransform(dx / 2, dy / 2);
            gfx.ScaleTransform(0.7);
            gfx.RotateTransform(-25);
            gfx.TranslateTransform(-dx / 2, -dy / 2);

            double width = image.PixelWidth * 72 / image.HorizontalResolution;
            double height = image.PixelHeight * 72 / image.HorizontalResolution;

            gfx.DrawImage(image, 0, 0, width, height);
            //gfx.DrawImage(image, 0, 0, width, height);

            //EndBox(gfx);
        }

    void DrawSecondHand(XGraphics gfx, XPen pen)
    {
      XGraphicsState gs = gfx.Save();

      gfx.RotateTransform(360 * Time.Second / 60 + 6 * Time.Millisecond / 1000);

      gfx.DrawEllipse(new XSolidBrush(pen.Color), -15, -15, 30, 30);
      gfx.DrawLine(pen, 0, 40, 0, -800);
      gfx.Restore(gs);
    }

    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);
    }

 void DrawHourHand(XGraphics gfx, XPen pen, XBrush brush)
 {
   XGraphicsState gs = gfx.Save();
   gfx.RotateTransform(360 * Time.Hour / 12 + 30 * Time.Minute / 60);
   gfx.DrawPolygon(pen, brush,
     new XPoint[]{new XPoint(0,  150), new XPoint(100, 0), 
                  new XPoint(0, -600), new XPoint(-100, 0)},
     XFillMode.Winding);
   gfx.Restore(gs);
 }

    void DrawMinuteHand(XGraphics gfx, XPen pen, XBrush brush)
    {
      XGraphicsState gs = gfx.Save();
      gfx.RotateTransform(360 * Time.Minute / 60 + 6 * Time.Second / 60);

      gfx.DrawPolygon(pen, brush,
        new XPoint[]{new XPoint(0,  200), new XPoint(50, 0),
                     new XPoint(0, -800), new XPoint(-50, 0)},
        XFillMode.Winding);
      gfx.Restore(gs);
    }

//.........这里部分代码省略.........
      // Create an XGraphics object for drawing the contents of the form.
      XGraphics formGfx = XGraphics.FromForm(form);

      // Draw a large transparent rectangle to visualize the area the form occupies
      XColor back = XColors.Orange;
      back.A = 0.2;
      XSolidBrush brush = new XSolidBrush(back);
      formGfx.DrawRectangle(brush, -10000, -10000, 20000, 20000);


      // On a form you can draw...

      //// ... text
      //formGfx.DrawString("Text, Graphics, Images, and Forms", new XFont("Verdana", 10, XFontStyle.Regular), XBrushes.Navy, 3, 0, XStringFormat.TopLeft);
      //XPen pen = XPens.LightBlue.Clone();
      //pen.Width = 2.5;

      // ... graphics like Bézier curves
      //formGfx.DrawBeziers(pen, XPoint.ParsePoints("30,120 80,20, 100,140 175,33.3"));

      //// ... raster images like GIF files
      //XGraphicsState state = formGfx.Save();
      //formGfx.RotateAtTransform(17, new XPoint(30, 30));
      //formGfx.DrawImage(XImage.FromFile("../../../../XGraphicsLab/images/Test.gif"), 20, 20);
      //formGfx.Restore(state);

      //// ... and forms like XPdfForm objects
      //state = formGfx.Save();
      //formGfx.RotateAtTransform(-8, new XPoint(165, 115));
      //formGfx.DrawImage(XPdfForm.FromFile("../../../../PDFs/SomeLayout.pdf"), new XRect(140, 80, 50, 50 * Math.Sqrt(2)));
      //formGfx.Restore(state);

      // When you finished drawing on the form, dispose the XGraphic object.
      formGfx.Dispose();


      // Step 2: Draw the XPdfForm on your PDF page like an image

      // Draw the form on the page of the document in its original size
      gfx.DrawImage(form, 20, 50);

#if true_
      // Draw it stretched
      gfx.DrawImage(form, 300, 100, 250, 40);

      // Draw and rotate it
      int d = 25;
      for (int idx = 0; idx < 360; idx += d)
      {
        gfx.DrawImage(form, 300, 480, 200, 200);
        gfx.RotateAtTransform(d, new XPoint(300, 480));
      }
#endif

      //// Save the document...
      //string filename = "XForms.pdf";
      //document.Save(filename);
      //// ...and start a viewer.
      //Process.Start(filename);
#else
      //base.RenderPage(gfx);

      int cx = 300;
      int cy = 240;
      XForm form;
      //if (gfx.PdfPage == null)
        form = new XForm(gfx, cx, cy);
      //else
      //  form = new XForm(gfx.PdfPage.Owner, cx, cy);

      double dx = gfx.PageSize.Width;
      double dy = gfx.PageSize.Height;

      XGraphics formgfx = XGraphics.FromForm(form);
      XSolidBrush brush = new XSolidBrush(XColor.FromArgb(128, 0, 255, 255));
      formgfx.DrawRectangle(brush, -1000, -1000, 2000, 2000);
      formgfx.DrawLine(XPens.Red, 0, 0, cx, cy);
      formgfx.DrawLine(XPens.Red, cx, 0, 0, cy);

      XFont font = new XFont("Times", 16, XFontStyle.BoldItalic);
      formgfx.DrawString("Text", font, XBrushes.DarkOrange, 0, 0, XStringFormats.TopLeft);
      formgfx.DrawString("Text", font, XBrushes.DarkOrange, new XRect(0, 0, cx, cy), XStringFormats.Center);

      // Required to finish drawing the form. Both cases are correct.
#if true
      formgfx.Dispose();
#else
      form.DrawingFinished();
#endif
      gfx.DrawImage(form, 50, 50);

#if true_
      gfx.TranslateTransform(dx / 2, dy / 2);
      gfx.RotateTransform(-25);
      gfx.TranslateTransform(-dx / 2, -dy / 2);

      gfx.DrawImage(form, (dx - form.Width) / 2, (dy - form.Height) / 2, form.Width, form.Height);
#endif
#endif
    }

    /// <summary>
    /// Draws an image transformed.
    /// </summary>
    void DrawImageRotated(XGraphics gfx, int number)
    {
      BeginBox(gfx, number, "DrawImage (rotated)");

      XImage image = XImage.FromFile(jpegSamplePath);

      const double dx = 250, dy = 140;

      gfx.TranslateTransform(dx / 2, dy / 2);
      gfx.ScaleTransform(0.7);
      gfx.RotateTransform(-25);
      gfx.TranslateTransform(-dx / 2, -dy / 2);

      //XMatrix matrix = new XMatrix();  //XMatrix.Identity;

      double width = image.PixelWidth * 72 / image.HorizontalResolution;
      double height = image.PixelHeight * 72 / image.HorizontalResolution;

      gfx.DrawImage(image, (dx - width) / 2, 0, width, height);

      EndBox(gfx);
    }

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

      XPoint[] origins = new XPoint[] 
      { 
        new XPoint(100, 200), new XPoint(300, 200), 
        new XPoint(100, 400), new XPoint(300, 400),
        new XPoint(100, 600), new XPoint(350, 600),
      };
      XPoint origin;
      XGraphicsState state;
      float length = 100;

      // Not transformed
      origin = origins[0];
      DrawAxes(gfx, XPens.Black, origin, length);
      gfx.DrawString(this.properties.Font1.Text, this.properties.Font1.Font, this.properties.Font1.Brush, origin);

      // Translation
      state = gfx.Save();
      origin = origins[1];
      DrawAxes(gfx, XPens.Black, origin, length);
      gfx.TranslateTransform(20, -30);
      DrawAxes(gfx, XPens.DarkGray, origin, length);
      gfx.DrawString(this.properties.Font1.Text, this.properties.Font1.Font, this.properties.Font1.Brush, origin);
      gfx.Restore(state);

      // Translation
      state = gfx.Save();
      origin = origins[2];
      DrawAxes(gfx, XPens.Black, origin, length);
      gfx.TranslateTransform(20, -30);
      DrawAxes(gfx, XPens.DarkGray, origin, length);
      gfx.DrawString(this.properties.Font1.Text, this.properties.Font1.Font, this.properties.Font1.Brush, origin);
      gfx.Restore(state);

      //// Scaling
      //state = gfx.Save();
      //origin = origins[2];
      //DrawAxes(gfx, XPens.Black, origin, length);
      //gfx.TranslateTransform(origin.X, origin.Y);
      //gfx.ScaleTransform(1.3, 1.5);
      //DrawAxes(gfx, XPens.DarkGray, new XPoint(), length);
      //gfx.DrawString(this.properties.Font1.Text, this.properties.Font1.Font, this.properties.Font1.Brush, 0, 0);
      //gfx.Restore(state);

      // Rotation
      state = gfx.Save();
      origin = origins[3];  
      DrawAxes(gfx, XPens.Black, origin, length);
      gfx.TranslateTransform(origin.X, origin.Y);
      gfx.RotateTransform(-45);
      DrawAxes(gfx, XPens.DarkGray, new XPoint(), length);
      gfx.DrawString(this.properties.Font1.Text, this.properties.Font1.Font, this.properties.Font1.Brush, 0 , 0);
      gfx.Restore(state);

      // Skewing (or shearing)
      state = gfx.Save();
      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 XPoint(), length);
      gfx.DrawString(this.properties.Font1.Text, this.properties.Font1.Font, this.properties.Font1.Brush, 0 , 0);
      gfx.Restore(state);

      // Reflection
      state = gfx.Save();
      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 XPoint(), length);
      gfx.DrawString(this.properties.Font1.Text, this.properties.Font1.Font, this.properties.Font1.Brush, 0 , 0);
      gfx.Restore(state);
    }

    /// <summary>
    /// Demonstrates the use of XGraphics.Transform.
    /// </summary>
    public override void RenderPage(XGraphics gfx)
    {
      XGraphicsState state1, state2;
      base.RenderPage(gfx);

      state1 = gfx.Save();  // Level 1
      gfx.TranslateTransform(20, 50);
      gfx.DrawLine(XPens.Blue, 0, 0, 10, 10);
      gfx.Restore(state1);

      state1 = gfx.Save();  // Level 2
      gfx.TranslateTransform(220, 50);
      gfx.DrawLine(XPens.Blue, 0, 0, 10, 10);
      XGraphicsPath clipPath = new XGraphicsPath();
      clipPath.AddPie(0, 10, 150, 100, -50, 100);
      gfx.IntersectClip(clipPath);
      gfx.DrawRectangle(XBrushes.LightYellow, 0, 0, 1000, 1000);

      state2 = gfx.Save();  // Level 3
      gfx.ScaleTransform(10);
      gfx.DrawLine(XPens.Red, 1, 1, 10, 10);

      //gfx.ResetClip();
      gfx.Restore(state2);  // Level 2

      gfx.DrawLine(XPens.Red, 1, 1, 10, 10);

      gfx.Restore(state1);

#if true_

      gfx.SetClip(new XRect(20, 20, 300, 500));
      gfx.DrawRectangle(XBrushes.Yellow, 0, 0, gfx.PageSize.Width, gfx.PageSize.Height);

      gfx.SetClip(new XRect(100, 200, 300, 500), XCombineMode.Intersect);
      gfx.DrawRectangle(XBrushes.LightBlue, 0, 0, gfx.PageSize.Width, gfx.PageSize.Height);

      gfx.DrawLine(XPens.MediumSlateBlue, 0, 0, 150, 200);
      gfx.DrawPolygon(properties.Pen1.Pen, GetPentagram(75, new PointF(150, 200)));


      Matrix matrix = new Matrix();
      //matrix.Scale(2f, 1.5f);
      //matrix.Translate(-200, -400);
      //matrix.Rotate(45);
      //matrix.Translate(200, 400);
      //gfx.Transform = matrix;
      //gfx.TranslateTransform(50, 30);

#if true
      gfx.TranslateTransform(30, 40, XMatrixOrder.Prepend);
      gfx.ScaleTransform(2.0f, 2.0f, XMatrixOrder.Prepend);
      gfx.RotateTransform(15, XMatrixOrder.Prepend);
#else
      gfx.TranslateTransform(30, 40, XMatrixOrder.Append);
      gfx.ScaleTransform(2.0f, 2.0f, XMatrixOrder.Append);
      gfx.RotateTransform(15, XMatrixOrder.Append);
#endif
      bool id = matrix.IsIdentity;
      matrix.Scale(2.0f, 2.0f, MatrixOrder.Prepend);
      //matrix.Translate(30, -50);
      matrix.Rotate(15, MatrixOrder.Prepend);
      Matrix mtx = gfx.Transform.ToMatrix();
      //gfx.Transform = matrix;

      gfx.DrawLine(XPens.MediumSlateBlue, 0, 0, 150, 200);
      gfx.DrawPolygon(properties.Pen2.Pen, GetPentagram(75, new PointF(150, 200)));

      gfx.ResetClip();

      gfx.DrawLine(XPens.Red, 0, 0, 1000, 1000);

      gfx.DrawPolygon(XPens.SandyBrown, GetPentagram(75, new PointF(150, 200)));
#endif
    }

        static void watermarkprint(XGraphics gfx, PdfPage page, XFont font)
        {
            string watermark = "TestME";

            // Get the size (in point) of the text
            XSize size = gfx.MeasureString(watermark, font);

            // Define a rotation transformation at the center of the page
            gfx.TranslateTransform(page.Width / 2, page.Height / 2);
            gfx.RotateTransform(-Math.Atan(page.Height / page.Width) * 180 / Math.PI);
            gfx.TranslateTransform(-page.Width / 2, -page.Height / 2);

            // Create a string format
            XStringFormat format = new XStringFormat();
            format.Alignment = XStringAlignment.Near;
            format.LineAlignment = XLineAlignment.Near;

            // Create a dimmed red brush
            XBrush brush = new XSolidBrush(XColor.FromArgb(60, 128, 125, 123));

            // Draw the string
            gfx.DrawString(watermark, font, brush,
              new XPoint((page.Width - size.Width) / 2, (page.Height - size.Height) / 2),
              format);
        }