wb.getDataSorter().getSortColumns().add(0, new String[]
{"12345","Argentina", "Area", "Chile", "Capital","USA","Ecuador","Guyana"}
); wb.getDataSorter().sort(wb.getWorksheets().get(0).getRange().get("A1:A8"));

Presentation presentation1 =new Presentation();
presentation1.loadFromFile(inputFile_1);
Presentation presentation2 =new Presentation();
presentation2.loadFromFile(inputFile_2);
presentation1.isSlideSizeAutoFit(true);
ILayout layout = presentation1.getSlides().get(0).getLayout();
presentation1.getSlides().append(presentation2.getSlides().get(0),layout);
presentation1.saveToFile(outputFile, FileFormat.PPTX_2013);

byte[] bytes=ppt.saveToOneSVG();
try(java.io.FileOutputStream stream = new java.io.FileOutputStream(outputFile)){
    stream.write(bytes);
}

//Note:At present, in order to ensure the validity of the output tagged PDF file, it is necessary to add the valid license of Spire.PDF for .net to remove the red warning watermark.

//Spire.License.LicenseProvider.SetLicenseKey("valid license key");

//Create a pdf document
PdfDocument doc = new PdfDocument();

//Add page
doc.Pages.Add();

//Set tab order
doc.Pages[0].SetTabOrder(TabOrder.Structure);

//Create PdfTaggedContent
PdfTaggedContent taggedContent = new PdfTaggedContent(doc);
taggedContent.SetLanguage("en-US");
taggedContent.SetTitle("test");

//Set font
PdfTrueTypeFont font = new PdfTrueTypeFont(new System.Drawing.Font("Times New Roman", 10), true);
PdfSolidBrush brush = new PdfSolidBrush(Color.Black);

//Append elements
PdfStructureElement article = taggedContent.StructureTreeRoot.AppendChildElement(PdfStandardStructTypes.Document);
PdfStructureElement paragraph1 = article.AppendChildElement(PdfStandardStructTypes.Paragraph);
PdfStructureElement span1 = paragraph1.AppendChildElement(PdfStandardStructTypes.Span);
span1.BeginMarkedContent(doc.Pages[0]);

PdfStringFormat format = new PdfStringFormat(PdfTextAlignment.Justify);
doc.Pages[0].Canvas.DrawString("Spire.PDF for .NET is a professional PDF API applied to creating, writing, editing, handling and reading PDF files.",
font, brush, new Rectangle(40, 0, 480, 80), format);
span1.EndMarkedContent(doc.Pages[0]);

PdfStructureElement paragraph2 = article.AppendChildElement(PdfStandardStructTypes.Paragraph);
paragraph2.BeginMarkedContent(doc.Pages[0]); doc.Pages[0].Canvas.DrawString("Spire.PDF for .NET can be applied to easily convert Text, Image, SVG, HTML to PDF and convert PDF to Excel with C#/VB.NET in high quality.",
font, brush, new Rectangle(40, 80, 480, 60), format);
paragraph2.EndMarkedContent(doc.Pages[0]);

PdfStructureElement figure1 = article.AppendChildElement(PdfStandardStructTypes.Figure);
//Set Alternate text 
figure1.Alt = "replacement text1";
figure1.BeginMarkedContent(doc.Pages[0], null);
PdfImage image = PdfImage.FromFile(@"E-logo.png");
doc.Pages[0].Canvas.DrawImage(image, new PointF(40, 200), new SizeF(100, 100));
figure1.EndMarkedContent(doc.Pages[0]);

PdfStructureElement figure2 = article.AppendChildElement(PdfStandardStructTypes.Figure);
//Set Alternate text
figure2.Alt = "replacement text2";
figure2.BeginMarkedContent(doc.Pages[0], null);
  doc.Pages[0].Canvas.DrawRectangle(PdfPens.Black, new Rectangle(300, 200, 100, 100));
figure2.EndMarkedContent(doc.Pages[0]);

//Save to file
String result = "CreateTaggedFile_result.pdf";
doc.SaveToFile(result);
doc.Close();

//Note:At present, in order to ensure the validity of the output PDF/UA file, it is necessary to add the valid license of Spire.PDF for .net to remove the red warning watermark.
//Spire.License.LicenseProvider.SetLicenseKey("valid license key");

//Create a pdf document
PdfDocument doc = new PdfDocument();

//Add page
doc.Pages.Add();

//Set tab order
doc.Pages[0].SetTabOrder(TabOrder.Structure);

//Create PdfTaggedContent
PdfTaggedContent taggedContent = new PdfTaggedContent(doc);
taggedContent.SetLanguage("en-US");
taggedContent.SetTitle("test");

//Set PDF/UA1 identification
taggedContent.SetPdfUA1Identification();

//Set font
PdfTrueTypeFont font = new PdfTrueTypeFont(new System.Drawing.Font("Times New Roman", 10), true);
PdfSolidBrush brush = new PdfSolidBrush(Color.Black);

//Append elements
PdfStructureElement article = taggedContent.StructureTreeRoot.AppendChildElement(PdfStandardStructTypes.Document);
PdfStructureElement paragraph1 = article.AppendChildElement(PdfStandardStructTypes.Paragraph);
PdfStructureElement span1 = paragraph1.AppendChildElement(PdfStandardStructTypes.Span);
span1.BeginMarkedContent(doc.Pages[0]);

PdfStringFormat format = new PdfStringFormat(PdfTextAlignment.Justify);
doc.Pages[0].Canvas.DrawString("Spire.PDF for .NET is a professional PDF API applied to creating, writing, editing, handling and reading PDF files.",
font, brush, new Rectangle(40, 0, 480, 80), format);
span1.EndMarkedContent(doc.Pages[0]);

PdfStructureElement paragraph2 = article.AppendChildElement(PdfStandardStructTypes.Paragraph);
paragraph2.BeginMarkedContent(doc.Pages[0]);
doc.Pages[0].Canvas.DrawString("Spire.PDF for .NET can be applied to easily convert Text, Image, SVG, HTML to PDF and convert PDF to Excel with C#/VB.NET in high quality.",
font, brush, new Rectangle(40, 80, 480, 60), format);
paragraph2.EndMarkedContent(doc.Pages[0]);

PdfStructureElement figure1 = article.AppendChildElement(PdfStandardStructTypes.Figure);
//Set Alternate text 
figure1.Alt = "replacement text1";
figure1.BeginMarkedContent(doc.Pages[0], null);
PdfImage image = PdfImage.FromFile(@"E-logo.png");
doc.Pages[0].Canvas.DrawImage(image, new PointF(40, 200), new SizeF(100, 100));
figure1.EndMarkedContent(doc.Pages[0]);

PdfStructureElement figure2 = article.AppendChildElement(PdfStandardStructTypes.Figure);
//Set Alternate text
figure2.Alt = "replacement text2";
figure2.BeginMarkedContent(doc.Pages[0], null);
  doc.Pages[0].Canvas.DrawRectangle(PdfPens.Black, new Rectangle(300, 200, 100, 100));
figure2.EndMarkedContent(doc.Pages[0]);

//Save to file
String result = "CreatePDFUAFile_result.pdf";
doc.SaveToFile(result);
doc.Close();

ExportTableOptions options = new ExportTableOptions();
options.KeepDataFormat = false;
DataTable table = sheet.ExportDataTable(1, 1, sheet.LastDataRow, sheet.LastDataColumn, options);

SlidePicture slidePicture =    (SlidePicture)presentation.Slides[0].Shapes[0];
slidePicture.Crop(float x, float y, float   width, float height);

presentation.Slides[0].Shapes[0].InsertPicture(Stream stream)

  public void CreateWaterFall(Presentation ppt)
  {
      IChart chart = ppt.Slides[0].Shapes.AppendChart(ChartType.WaterFall, new RectangleF(50, 50, 500, 400), false);
      chart.ChartData[0, 1].Text = "Series 1";
      string[] categories = { "Category 1", "Category 2", "Category 3", "Category 4", "Category 5", "Category 6", "Category 7" };
      for (int i = 0; i < categories.Length; i++)
      {
          chart.ChartData[i + 1, 0].Text = categories[i];
      }
      double[] values = { 100, 20, 50, -40, 130, -60, 70 };
      for (int i = 0; i < values.Length; i++)
      {
          chart.ChartData[i + 1, 1].NumberValue = values[i];
      }
      chart.Series.SeriesLabel = chart.ChartData[0, 1, 0, 1];
      chart.Categories.CategoryLabels = chart.ChartData[1, 0, categories.Length, 0];
      chart.Series[0].Values = chart.ChartData[1, 1, values.Length, 1];

      ChartDataPoint chartDataPoint = new ChartDataPoint(chart.Series[0]);
      chartDataPoint.Index = 2;
      chartDataPoint.SetAsTotal = true;
      chart.Series[0].DataPoints.Add(chartDataPoint);
      ChartDataPoint chartDataPoint2 = new ChartDataPoint(chart.Series[0]);
      chartDataPoint2.Index = 5;
      chartDataPoint2.SetAsTotal = true;
      chart.Series[0].DataPoints.Add(chartDataPoint2);
      chart.Series[0].ShowConnectorLines = true;
      chart.Series[0].DataLabels.LabelValueVisible = true;
      chart.ChartLegend.Position = ChartLegendPositionType.Right;
      chart.ChartTitle.TextProperties.Text = "WaterFall";
  }
  public void CreateTreeMap(Presentation ppt)
  {
      IChart chart = ppt.Slides[0].Shapes.AppendChart(ChartType.TreeMap, new RectangleF(50, 50, 500, 400), false);
      chart.ChartData[0, 3].Text = "Series 1";

      string[,] categories = {{"Branch 1","Stem 1","Leaf 1"},{"Branch 1","Stem 1","Leaf 2"},{"Branch 1","Stem 1", "Leaf 3"},
           {"Branch 1","Stem 2","Leaf 4"},{"Branch 1","Stem 2","Leaf 5"},{"Branch 1","Stem 2","Leaf 6"},{"Branch 1","Stem 2","Leaf 7"},
           {"Branch 2","Stem 3","Leaf 8"},{"Branch 2","Stem 3","Leaf 9"},{"Branch 2","Stem 4","Leaf 10"},{"Branch 2","Stem 4","Leaf 11"},
           {"Branch 2","Stem 5","Leaf 12"},{"Branch 3","Stem 5","Leaf 13"},{"Branch 3","Stem 6","Leaf 14"},{"Branch 3","Stem 6","Leaf 15"}};

      for (int i = 0; i < 15; i++)
      {
          for (int j = 0; j < 3; j++)
              chart.ChartData[i + 1, j].Text = categories[i, j];
      }
      double[] values = { 17, 23, 48, 22, 76, 54, 77, 26, 44, 63, 10, 15, 48, 15, 51 };
      for (int i = 0; i < values.Length; i++)
      {
          chart.ChartData[i + 1, 3].NumberValue = values[i];
      }
      chart.Series.SeriesLabel = chart.ChartData[0, 3, 0, 3];
      chart.Categories.CategoryLabels = chart.ChartData[1, 0, values.Length, 2];
      chart.Series[0].Values = chart.ChartData[1, 3, values.Length, 3];

      chart.Series[0].DataLabels.CategoryNameVisible = true;
      chart.Series[0].TreeMapLabelOption = TreeMapLabelOption.Banner;
      chart.ChartTitle.TextProperties.Text = "TreeMap";

      chart.HasLegend = true;
      chart.ChartLegend.Position = ChartLegendPositionType.Top;
  }
  public void CreateSunBurs(Presentation ppt)
  {
      IChart chart = ppt.Slides[0].Shapes.AppendChart(ChartType.SunBurst, new RectangleF(50, 50, 500, 400), false);
      chart.ChartData[0, 3].Text = "Series 1";

      string[,] categories = {{"Branch 1","Stem 1","Leaf 1"},{"Branch 1","Stem 1","Leaf 2"},{"Branch 1","Stem 1", "Leaf 3"},
           {"Branch 1","Stem 2","Leaf 4"},{"Branch 1","Stem 2","Leaf 5"},{"Branch 1","Leaf 6",null},{"Branch 1","Leaf 7", null},
           {"Branch 2","Stem 3","Leaf 8"},{"Branch 2","Leaf 9",null},{"Branch 2","Stem 4","Leaf 10"},{"Branch 2","Stem 4","Leaf 11"},
           {"Branch 2","Stem 5","Leaf 12"},{"Branch 3","Stem 5","Leaf 13"},{"Branch 3","Stem 6","Leaf 14"},{"Branch 3","Leaf 15",null}};

      for (int i = 0; i < 15; i++)
      {
          for (int j = 0; j < 3; j++)
              chart.ChartData[i + 1, j].Value = categories[i, j];
      }
      double[] values = { 17, 23, 48, 22, 76, 54, 77, 26, 44, 63, 10, 15, 48, 15, 51 };
      for (int i = 0; i < values.Length; i++)
      {
          chart.ChartData[i + 1, 3].NumberValue = values[i];
      }
      chart.Series.SeriesLabel = chart.ChartData[0, 3, 0, 3];
      chart.Categories.CategoryLabels = chart.ChartData[1, 0, values.Length, 2];
      chart.Series[0].Values = chart.ChartData[1, 3, values.Length, 3];

      chart.Series[0].DataLabels.CategoryNameVisible = true;

      chart.ChartTitle.TextProperties.Text = "SunBurst";

      chart.HasLegend = true;
      chart.ChartLegend.Position = ChartLegendPositionType.Top;
  }
  public void CreatePareto(Presentation ppt)
  {
      IChart chart = ppt.Slides[0].Shapes.AppendChart(ChartType.Pareto, new RectangleF(50, 50, 500, 400), false);

      chart.ChartData[0, 1].Text = "Series 1";

      string[] categories = { "Category 1", "Category 2", "Category 4", "Category 3", "Category 4", "Category 2", "Category 1",
          "Category 1", "Category 3", "Category 2", "Category 4", "Category 2", "Category 3",
          "Category 1", "Category 3", "Category 2", "Category 4", "Category 1", "Category 1",
          "Category 3", "Category 2", "Category 4", "Category 1", "Category 1", "Category 3",
          "Category 2", "Category 4", "Category 1"};
      for (int i = 0; i < categories.Length; i++)
      {
          chart.ChartData[i + 1, 0].Text = categories[i];
      }

      double[] values = { 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1 };
      for (int i = 0; i < values.Length; i++)
      {
          chart.ChartData[i + 1, 1].NumberValue = values[i];
      }
      chart.Series.SeriesLabel = chart.ChartData[0, 1, 0, 1];
      chart.Categories.CategoryLabels = chart.ChartData[1, 0, categories.Length, 0];
      chart.Series[0].Values = chart.ChartData[1, 1, values.Length, 1];

      chart.PrimaryCategoryAxis.IsBinningByCategory = true;

      chart.Series[1].Line.FillFormat.FillType = FillFormatType.Solid;
      chart.Series[1].Line.FillFormat.SolidFillColor.Color = Color.Red;

      chart.ChartTitle.TextProperties.Text = "Pareto";

      chart.HasLegend = true;
      chart.ChartLegend.Position = ChartLegendPositionType.Bottom;
  }
  public void CreateHistogram(Presentation ppt)
  {
      IChart chart = ppt.Slides[0].Shapes.AppendChart(ChartType.Histogram, new RectangleF(50, 50, 500, 400), false);
      chart.ChartData[0, 0].Text = "Series 1";
      double[] values = { 1, 1, 1, 3, 3, 3, 3, 5, 5, 5, 8, 8, 8, 9, 9, 9, 12, 12, 13, 13, 17, 17, 17, 19,
          19, 19, 25, 25, 25, 25, 25, 25, 25, 25, 29, 29, 29, 29, 32, 32, 33, 33, 35, 35, 41, 41, 44, 45, 49, 49 };

      for (int i = 0; i < values.Length; i++)
      {
          chart.ChartData[i + 1, 1].NumberValue = values[i];
      }
      chart.Series.SeriesLabel = chart.ChartData[0, 0, 0, 0];
      chart.Series[0].Values = chart.ChartData[1, 0, values.Length, 0];

      chart.PrimaryCategoryAxis.NumberOfBins = 7;

      chart.PrimaryCategoryAxis.GapWidth = 20;

      chart.ChartTitle.TextProperties.Text = "Histogram";

      chart.ChartLegend.Position = ChartLegendPositionType.Bottom;
  }
  public void CreateBoxAndWhisker(Presentation ppt)
  {
      IChart chart = ppt.Slides[0].Shapes.AppendChart(ChartType.BoxAndWhisker, new RectangleF(50, 50, 500, 400), false);
      string[] seriesLabel = { "Series 1", "Series 2", "Series 3" };


      for (int i = 0; i < seriesLabel.Length; i++)
      {

          chart.ChartData[0, i + 1].Text = "Series 1";
      }
      string[] categories = {"Category 1", "Category 1", "Category 1", "Category 1", "Category 1", "Category 1", "Category 1",
           "Category 2", "Category 2", "Category 2", "Category 2", "Category 2", "Category 2",
           "Category 3", "Category 3", "Category 3", "Category 3", "Category 3"};
      for (int i = 0; i < categories.Length; i++)
      {
          chart.ChartData[i + 1, 0].Text = categories[i];
      }
      double[,] values = new double[18, 3]{{-7,-3,-24},{-10,1,11},{-28,-6,34},{47,2,-21},{35,17,22},{-22,15,19},{17,-11,25},
                       {-30,18,25},{49,22,56},{37,22,15},{-55,25,31},{14,18,22},{18,-22,36},{-45,25,-17},
                       {-33,18,22},{18,2,-23},{-33,-22,10},{10,19,22}};

      for (int i = 0; i < seriesLabel.Length; i++)
      {
          for (int j = 0; j < categories.Length; j++)
          {
              chart.ChartData[j + 1, i + 1].NumberValue = values[j, i];
          }
      }
      chart.Series.SeriesLabel = chart.ChartData[0, 1, 0, seriesLabel.Length];
      chart.Categories.CategoryLabels = chart.ChartData[1, 0, categories.Length, 0];

      chart.Series[0].Values = chart.ChartData[1, 1, categories.Length, 1];
      chart.Series[1].Values = chart.ChartData[1, 2, categories.Length, 2];
      chart.Series[2].Values = chart.ChartData[1, 3, categories.Length, 3];

      chart.Series[0].ShowInnerPoints = false;
      chart.Series[0].ShowOutlierPoints = true;
      chart.Series[0].ShowMeanMarkers = true;
      chart.Series[0].ShowMeanLine = true;
      chart.Series[0].QuartileCalculationType = QuartileCalculation.ExclusiveMedian;

      chart.Series[1].ShowInnerPoints = false;
      chart.Series[1].ShowOutlierPoints = true;
      chart.Series[1].ShowMeanMarkers = true;
      chart.Series[1].ShowMeanLine = true;
      chart.Series[1].QuartileCalculationType = QuartileCalculation.InclusiveMedian;

      chart.Series[2].ShowInnerPoints = false;
      chart.Series[2].ShowOutlierPoints = true;
      chart.Series[2].ShowMeanMarkers = true;
      chart.Series[2].ShowMeanLine = true;
      chart.Series[2].QuartileCalculationType = QuartileCalculation.ExclusiveMedian;

      chart.HasLegend = true;
      chart.ChartTitle.TextProperties.Text = "BoxAndWhisker";
      chart.ChartLegend.Position = ChartLegendPositionType.Top;
  }

//Note:At present, in order to ensure the validity of the output tagged PDF file, it is necessary to add the valid license of Spire.PDF for .net to remove the red warning watermark.

//Spire.License.LicenseProvider.SetLicenseKey("valid license key");

//Create a pdf document
PdfDocument doc = new PdfDocument();

//Add page
doc.Pages.Add();

//Set tab order
doc.Pages[0].SetTabOrder(TabOrder.Structure);

//Create PdfTaggedContent
PdfTaggedContent taggedContent = new PdfTaggedContent(doc);
taggedContent.SetLanguage("en-US");
taggedContent.SetTitle("test");

//Set font
PdfTrueTypeFont font = new PdfTrueTypeFont(new System.Drawing.Font("Times New Roman", 10), true);
PdfSolidBrush brush = new PdfSolidBrush(Color.Black);

//Append elements
PdfStructureElement article = taggedContent.StructureTreeRoot.AppendChildElement(PdfStandardStructTypes.Document);
PdfStructureElement paragraph1 = article.AppendChildElement(PdfStandardStructTypes.Paragraph);
PdfStructureElement span1 = paragraph1.AppendChildElement(PdfStandardStructTypes.Span);
span1.BeginMarkedContent(doc.Pages[0]);

PdfStringFormat format = new PdfStringFormat(PdfTextAlignment.Justify);
doc.Pages[0].Canvas.DrawString("Spire.PDF for .NET is a professional PDF API applied to creating, writing, editing, handling and reading PDF files.",
font, brush, new Rectangle(40, 0, 480, 80), format);
span1.EndMarkedContent(doc.Pages[0]);

PdfStructureElement paragraph2 = article.AppendChildElement(PdfStandardStructTypes.Paragraph);
paragraph2.BeginMarkedContent(doc.Pages[0]); doc.Pages[0].Canvas.DrawString("Spire.PDF for .NET can be applied to easily convert Text, Image, SVG, HTML to PDF and convert PDF to Excel with C#/VB.NET in high quality.",
font, brush, new Rectangle(40, 80, 480, 60), format);
paragraph2.EndMarkedContent(doc.Pages[0]);

PdfStructureElement figure1 = article.AppendChildElement(PdfStandardStructTypes.Figure);
//Set Alternate text 
figure1.Alt = "replacement text1";
figure1.BeginMarkedContent(doc.Pages[0], null);
PdfImage image = PdfImage.FromFile(@"E-logo.png");
doc.Pages[0].Canvas.DrawImage(image, new PointF(40, 200), new SizeF(100, 100));
figure1.EndMarkedContent(doc.Pages[0]);

PdfStructureElement figure2 = article.AppendChildElement(PdfStandardStructTypes.Figure);
//Set Alternate text
figure2.Alt = "replacement text2";
figure2.BeginMarkedContent(doc.Pages[0], null);
  doc.Pages[0].Canvas.DrawRectangle(PdfPens.Black, new Rectangle(300, 200, 100, 100));
figure2.EndMarkedContent(doc.Pages[0]);

//Save to file
String result = "CreateTaggedFile_result.pdf";
doc.SaveToFile(result);
doc.Close();

//Note:At present, in order to ensure the validity of the output PDF/UA file, it is necessary to add the valid license of Spire.PDF for .net to remove the red warning watermark.
//Spire.License.LicenseProvider.SetLicenseKey("valid license key");

//Create a pdf document
PdfDocument doc = new PdfDocument();

//Add page
doc.Pages.Add();

//Set tab order
doc.Pages[0].SetTabOrder(TabOrder.Structure);

//Create PdfTaggedContent
PdfTaggedContent taggedContent = new PdfTaggedContent(doc);
taggedContent.SetLanguage("en-US");
taggedContent.SetTitle("test");

//Set PDF/UA1 identification
taggedContent.SetPdfUA1Identification();

//Set font
PdfTrueTypeFont font = new PdfTrueTypeFont(new System.Drawing.Font("Times New Roman", 10), true);
PdfSolidBrush brush = new PdfSolidBrush(Color.Black);

//Append elements
PdfStructureElement article = taggedContent.StructureTreeRoot.AppendChildElement(PdfStandardStructTypes.Document);
PdfStructureElement paragraph1 = article.AppendChildElement(PdfStandardStructTypes.Paragraph);
PdfStructureElement span1 = paragraph1.AppendChildElement(PdfStandardStructTypes.Span);
span1.BeginMarkedContent(doc.Pages[0]);

PdfStringFormat format = new PdfStringFormat(PdfTextAlignment.Justify);
doc.Pages[0].Canvas.DrawString("Spire.PDF for .NET is a professional PDF API applied to creating, writing, editing, handling and reading PDF files.",
font, brush, new Rectangle(40, 0, 480, 80), format);
span1.EndMarkedContent(doc.Pages[0]);

PdfStructureElement paragraph2 = article.AppendChildElement(PdfStandardStructTypes.Paragraph);
paragraph2.BeginMarkedContent(doc.Pages[0]);
doc.Pages[0].Canvas.DrawString("Spire.PDF for .NET can be applied to easily convert Text, Image, SVG, HTML to PDF and convert PDF to Excel with C#/VB.NET in high quality.",
font, brush, new Rectangle(40, 80, 480, 60), format);
paragraph2.EndMarkedContent(doc.Pages[0]);

PdfStructureElement figure1 = article.AppendChildElement(PdfStandardStructTypes.Figure);
//Set Alternate text 
figure1.Alt = "replacement text1";
figure1.BeginMarkedContent(doc.Pages[0], null);
PdfImage image = PdfImage.FromFile(@"E-logo.png");
doc.Pages[0].Canvas.DrawImage(image, new PointF(40, 200), new SizeF(100, 100));
figure1.EndMarkedContent(doc.Pages[0]);

PdfStructureElement figure2 = article.AppendChildElement(PdfStandardStructTypes.Figure);
//Set Alternate text
figure2.Alt = "replacement text2";
figure2.BeginMarkedContent(doc.Pages[0], null);
  doc.Pages[0].Canvas.DrawRectangle(PdfPens.Black, new Rectangle(300, 200, 100, 100));
figure2.EndMarkedContent(doc.Pages[0]);

//Save to file
String result = "CreatePDFUAFile_result.pdf";
doc.SaveToFile(result);
doc.Close();

Presentation presentation1 =new Presentation();
presentation1.loadFromFile(inputFile_1);
Presentation presentation2 =new Presentation();
presentation2.loadFromFile(inputFile_2);
presentation1.isSlideSizeAutoFit(true);
ILayout layout = presentation1.getSlides().get(0).getLayout();
presentation1.getSlides().append(presentation2.getSlides().get(0),layout);
presentation1.saveToFile(outputFile, FileFormat.PPTX_2013);

byte[] bytes=ppt.saveToOneSVG();
try(java.io.FileOutputStream stream = new java.io.FileOutputStream(outputFile)){
    stream.write(bytes);
}