PdfSharp.Xps.Rendering.PdfContentWriter.BeginContent C# (CSharp) Méthode

    public void BeginContent(bool hacks4softmask)
    {
      if (!this.contentInitialized)
      {
        //this.defaultViewMatrix = new XMatrix();  //XMatrix.Identity;
        //// Take TrimBox into account
        double pageHeight = Size.Height;
        //XPoint trimOffset = new XPoint();
        //if (this.page != null && this.page.TrimMargins.AreSet)
        //{
        //  pageHeight += this.page.TrimMargins.Top.Point + this.page.TrimMargins.Bottom.Point;
        //  trimOffset = new XPoint(this.page.TrimMargins.Left.Point, this.page.TrimMargins.Top.Point);
        //}

        //if (this.page != null && this.page.Elements.GetInteger("/Rotate") == 90)  // HACK for InDesign flyer
        //{
        //  defaultViewMatrix.RotatePrepend(90);
        //  defaultViewMatrix.ScalePrepend(1, -1);
        //}
        //else
        //{
        //  // Recall that the value of Height depends on Orientation.

        // Flip page horizontaly and mirror text.
        XMatrix defaultViewMatrix = new XMatrix();
        if (!hacks4softmask)
        {
          defaultViewMatrix.TranslatePrepend(0, pageHeight);
          defaultViewMatrix.ScalePrepend(0.75, -0.75);
        }
        //if (!trimOffset.IsEmpty)
        //{
        //  Debug.Assert(this.gfx.PageUnit == XGraphicsUnit.Point, "With TrimMargins set the page units must be Point. Ohter cases nyi.");
        //  defaultViewMatrix.TranslatePrepend(trimOffset.x, trimOffset.y);
        //}

        // Save initial graphic state
        WriteSaveState("BeginContent", null);
        // Set page transformation
        WriteRenderTransform(defaultViewMatrix);
        this.graphicsState.DefaultPageTransform = defaultViewMatrix;
        MultiplyTransform(defaultViewMatrix);
        if (!hacks4softmask)
          WriteLiteral("-100 Tz\n");
        this.contentInitialized = true;
      }
    }
    bool contentInitialized;

        void RealizeVisualBrush(VisualBrush brush, ref XForm xform)
        {
            //Debug.Assert(xform != null);

            xform = new XForm(writer.Owner, new XRect(brush.Viewbox.X * 3 / 4, brush.Viewbox.Y * 3 / 4, brush.Viewbox.Width * 3 / 4, brush.Viewbox.Height * 3 / 4));

            Visual           visual     = brush.Visual;
            PdfContentWriter formWriter = new PdfContentWriter(writer.Context, xform, RenderMode.Default);


            //formWriter.Size = brush.Viewport.Size;
            formWriter.BeginContent(false);
            formWriter.WriteElement(visual);
            formWriter.EndContent();
        }