將圖像導出為pdf時出現問題

Question

m有一個網格：companysnapshot ..該網格被導出到磁盤，然后再次從磁盤獲取並導出到pdf。 下面的代碼工作正常，並且已完成圖像導出。 債務問題是..

->從UI保存的圖像是黑色背景..當導出的圖像在白色背景中更改時（可能是轉換為png）

->我想在pdf頁面中對齊圖像的坐標

有沒有辦法增加圖像或pdf頁面的寬度。 一位新手...如果有人對此進行編碼，這將很有幫助。

 private void PrepareDocument(RadDocument document)
    {
        document.SectionDefaultPageOrientation = PageOrientation.Landscape;
        document.LayoutMode = DocumentLayoutMode.Paged;
        document.Measure(RadDocument.MAX_DOCUMENT_SIZE);
        document.Arrange(new RectangleF(PointF.Empty, document.DesiredSize));
    }

圖表文檔部分：

private void CreateChartDocumentPart(RadDocument document, Grid whGrid, Grid companysnapshot, Grid chartgridimage)
    {
        Telerik.Windows.Documents.Model.Section section = new Telerik.Windows.Documents.Model.Section();

        Telerik.Windows.Documents.Model.Paragraph paragraph = new Telerik.Windows.Documents.Model.Paragraph();

        Telerik.Windows.Documents.Model.Span span1;

        using (MemoryStream ms = new MemoryStream())
        {
            companysnapshot.Measure(new System.Windows.Size(double.PositiveInfinity, double.PositiveInfinity));
            int companywidth = (int)Math.Round(companysnapshot.ActualWidth);
            int companyheight = (int)Math.Round(companysnapshot.ActualHeight);
            companywidth = companywidth == 0 ? 1 : companywidth;
            companyheight = companyheight == 0 ? 1 : companyheight;
            RenderTargetBitmap rtbmp = new RenderTargetBitmap(companywidth, companyheight, 96d, 96d, PixelFormats.Default);
            rtbmp.Render(companysnapshot);
            BmpBitmapEncoder encoder = new BmpBitmapEncoder();
            encoder.Frames.Add(BitmapFrame.Create(rtbmp));
            FileStream fs1 = File.Create(@"C:\Users\Admin\Desktop\Chart12xx.bmp");
            encoder.Save(fs1);
            fs1.Close();
         //   this.ExportPNGToImage(chart, ms);

            paragraph.LeftIndent = 0;
            paragraph.RightIndent = 0.0;
            FileStream ss = File.Open(@"C:\Users\Admin\Desktop\Chart12xx.bmp", FileMode.Open);
            ImageInline image = new ImageInline(ss, new Size(companywidth, companyheight), "bmp");
            paragraph.FlowDirection = FlowDirection.LeftToRight;
            paragraph.Inlines.Add(image);
            ss.Close();
            //Span spacespan = new Span("  ");
            //paragraph.Inlines.Add(spacespan);
        }

        try
        {
            section1.Blocks.Add(paragraph);
            document.Sections.Add(section1);
        }
        catch (Exception)
        {
        }

      //  paragraph.Inlines.Add(new Span(FormattingSymbolLayoutBox.LINE_BREAK));

    }

Answer 1

通過從telerik導出切換到itextsharp進行pdf導出，解決了問題。