// render all the objects in a page in PDF
        private void ProcessPage(Pages pgs, IEnumerable items)
        {
            foreach (PageItem pi in items)
            {
                if (pi.SI.BackgroundImage != null)
                {       // put out any background image
                    PageImage bgImg = pi.SI.BackgroundImage;
                    //					elements.AddImage(images, i.Name, content.objectNum, i.SI, i.ImgFormat,
                    //						pi.X, pi.Y, pi.W, pi.H, i.ImageData,i.SamplesW, i.SamplesH, null);


                    //Duc Phan modified 10 Dec, 2007 to support on background image
                    float imW     = RSize.PointsFromPixels(pgs.G, bgImg.SamplesW);
                    float imH     = RSize.PointsFromPixels(pgs.G, bgImg.SamplesH);
                    int   repeatX = 0;
                    int   repeatY = 0;
                    float itemW   = pi.W - (pi.SI.PaddingLeft + pi.SI.PaddingRight);
                    float itemH   = pi.H - (pi.SI.PaddingTop + pi.SI.PaddingBottom);
                    switch (bgImg.Repeat)
                    {
                    case ImageRepeat.Repeat:
                        repeatX = (int)Math.Floor(itemW / imW);
                        repeatY = (int)Math.Floor(itemH / imH);
                        break;

                    case ImageRepeat.RepeatX:
                        repeatX = (int)Math.Floor(itemW / imW);
                        repeatY = 1;
                        break;

                    case ImageRepeat.RepeatY:
                        repeatY = (int)Math.Floor(itemH / imH);
                        repeatX = 1;
                        break;

                    case ImageRepeat.NoRepeat:
                    default:
                        repeatX = repeatY = 1;
                        break;
                    }

                    //make sure the image is drawn at least 1 times
                    repeatX = Math.Max(repeatX, 1);
                    repeatY = Math.Max(repeatY, 1);

                    float currX  = pi.X + pi.SI.PaddingLeft;
                    float currY  = pi.Y + pi.SI.PaddingTop;
                    float startX = currX;
                    float startY = currY;
                    for (int i = 0; i < repeatX; i++)
                    {
                        for (int j = 0; j < repeatY; j++)
                        {
                            currX = startX + i * imW;
                            currY = startY + j * imH;
                            elements.AddImage(images, bgImg.Name,
                                              content.objectNum, bgImg.SI, bgImg.ImgFormat,
                                              currX, currY, imW, imH, RectangleF.Empty, bgImg.ImageData, bgImg.SamplesW, bgImg.SamplesH, null, pi.Tooltip);
                        }
                    }
                }

                if (pi is PageTextHtml)
                {
                    PageTextHtml pth = pi as PageTextHtml;
                    pth.Build(pgs.G);
                    ProcessPage(pgs, pth);
                    continue;
                }

                if (pi is PageText)
                {
                    PageText pt = pi as PageText;
                    float[]  textwidth;
                    string[] sa = MeasureString(pt, pgs.G, out textwidth);
                    elements.AddText(pt.X, pt.Y, pt.H, pt.W, sa, pt.SI,
                                     fonts, textwidth, pt.CanGrow, pt.HyperLink, pt.NoClip, pt.Tooltip);
                    if (pt.Bookmark != null)
                    {
                        outline.Bookmarks.Add(new PdfOutlineEntry(anchor, page.objectNum, pt.Bookmark, pt.X, elements.PageSize.yHeight - pt.Y));
                    }
                    continue;
                }

                if (pi is PageLine)
                {
                    PageLine pl = pi as PageLine;
                    elements.AddLine(pl.X, pl.Y, pl.X2, pl.Y2, pl.SI);
                    continue;
                }

                if (pi is PageEllipse)
                {
                    PageEllipse pe = pi as PageEllipse;
                    elements.AddEllipse(pe.X, pe.Y, pe.H, pe.W, pe.SI, pe.HyperLink);
                    continue;
                }



                if (pi is PageImage)
                {
                    //PageImage i = pi as PageImage;
                    //float x = i.X + i.SI.PaddingLeft;
                    //float y = i.Y + i.SI.PaddingTop;
                    //float w = i.W - i.SI.PaddingLeft - i.SI.PaddingRight;
                    //float h = i.H - i.SI.PaddingTop - i.SI.PaddingBottom;
                    //elements.AddImage(images, i.Name, content.objectNum, i.SI, i.ImgFormat,
                    //    x, y, w, h, i.ImageData,i.SamplesW, i.SamplesH, i.HyperLink);
                    //continue;
                    PageImage i = pi as PageImage;

                    //Duc Phan added 20 Dec, 2007 to support sized image
                    RectangleF r2 = new RectangleF(i.X + i.SI.PaddingLeft, i.Y + i.SI.PaddingTop, i.W - i.SI.PaddingLeft - i.SI.PaddingRight, i.H - i.SI.PaddingTop - i.SI.PaddingBottom);

                    RectangleF adjustedRect;   // work rectangle
                    RectangleF clipRect = RectangleF.Empty;
                    switch (i.Sizing)
                    {
                    case ImageSizingEnum.AutoSize:
                        adjustedRect = new RectangleF(r2.Left, r2.Top,
                                                      r2.Width, r2.Height);
                        break;

                    case ImageSizingEnum.Clip:
                        adjustedRect = new RectangleF(r2.Left, r2.Top,
                                                      RSize.PointsFromPixels(pgs.G, i.SamplesW), RSize.PointsFromPixels(pgs.G, i.SamplesH));
                        clipRect = new RectangleF(r2.Left, r2.Top,
                                                  r2.Width, r2.Height);
                        break;

                    case ImageSizingEnum.FitProportional:
                        float height;
                        float width;
                        float ratioIm = (float)i.SamplesH / i.SamplesW;
                        float ratioR  = r2.Height / r2.Width;
                        height = r2.Height;
                        width  = r2.Width;
                        if (ratioIm > ratioR)
                        {       // this means the rectangle width must be corrected
                            width = height * (1 / ratioIm);
                        }
                        else if (ratioIm < ratioR)
                        {       // this means the rectangle height must be corrected
                            height = width * ratioIm;
                        }
                        adjustedRect = new RectangleF(r2.X, r2.Y, width, height);
                        break;

                    case ImageSizingEnum.Fit:
                    default:
                        adjustedRect = r2;
                        break;
                    }
                    if (i.ImgFormat == System.Drawing.Imaging.ImageFormat.Wmf || i.ImgFormat == System.Drawing.Imaging.ImageFormat.Emf)
                    {
                        //We dont want to add it - its already been broken down into page items;
                    }
                    else
                    {
                        elements.AddImage(images, i.Name, content.objectNum, i.SI, i.ImgFormat,
                                          adjustedRect.X, adjustedRect.Y, adjustedRect.Width, adjustedRect.Height, clipRect, i.ImageData, i.SamplesW, i.SamplesH, i.HyperLink, i.Tooltip);
                    }
                    continue;
                }

                if (pi is PageRectangle)
                {
                    PageRectangle pr = pi as PageRectangle;
                    elements.AddRectangle(pr.X, pr.Y, pr.H, pr.W, pi.SI, pi.HyperLink, patterns, pi.Tooltip);
                    continue;
                }
                if (pi is PagePie)
                {   // TODO
                    PagePie pp = pi as PagePie;
                    // elements.AddPie(pr.X, pr.Y, pr.H, pr.W, pi.SI, pi.HyperLink, patterns, pi.Tooltip);
                    continue;
                }
                if (pi is PagePolygon)
                {
                    PagePolygon ppo = pi as PagePolygon;
                    elements.AddPolygon(ppo.Points, pi.SI, pi.HyperLink, patterns);
                    continue;
                }
                if (pi is PageCurve)
                {
                    PageCurve pc = pi as PageCurve;

                    elements.AddCurve(pc.Points, pi.SI);
                    continue;
                }
            }
        }
 private void ProcessHtml(PageTextHtml pth, System.Drawing.Graphics g)
 {
     pth.Build(g);            // Builds the subobjects that make up the html
     this.ProcessPage(g, pth);
 }
 private void ProcessHtml(PageTextHtml pth, Graphics g, RectangleF clipRect, bool bHitList)
 {
     pth.Build(g);				// Builds the subobjects that make up the html
     this.ProcessPage(g, pth, clipRect, bHitList);
 }
 private void ProcessHtml(PageTextHtml pth, System.Drawing.Graphics g)
 {
     pth.Build(g);            // Builds the subobjects that make up the html 
     this.ProcessPage(g, pth);
 }