initial source commit

2013-02-01 12:35:28 +11:00
parent 543a005d31
commit 0a93429800
1103 changed files with 285609 additions and 0 deletions
@@ -0,0 +1,49 @@
+using iTextSharp.text;
+using iTextSharp.text.pdf;
+
+namespace Disco.BI.DocumentTemplateBI
+{
+    public static class Utilities
+    {
+        public static System.IO.Stream JoinPdfs(params System.IO.Stream[] Pdfs)
+        {
+            if (Pdfs.Length == 0)
+                throw new System.ArgumentNullException("Pdfs");
+
+            // Only One PDF - Possible Reference Bug v's Memory/Speed (Returning Param Memory Stream)
+            if (Pdfs.Length == 1)
+                return Pdfs[0];
+
+            // Join Pdfs
+            System.IO.MemoryStream msBuilder = new System.IO.MemoryStream();
+            
+            Document pdfDoc = new Document();
+            PdfCopy pdfCopy = new PdfCopy(pdfDoc, msBuilder);
+            pdfDoc.Open();
+            pdfCopy.CloseStream = false;
+
+            for (int i = 0; i < Pdfs.Length; i++)
+            {
+                System.IO.Stream pdf = Pdfs[i];
+                PdfReader pdfReader = new PdfReader(pdf);
+
+                for (int indexPage = 1; indexPage <= pdfReader.NumberOfPages; indexPage++)
+                {
+                    iTextSharp.text.Rectangle pageSize = pdfReader.GetPageSizeWithRotation(indexPage);
+                    PdfImportedPage page = pdfCopy.GetImportedPage(pdfReader, indexPage);
+                    pdfDoc.SetPageSize(pageSize);
+                    pdfDoc.NewPage();
+                    pdfCopy.AddPage(page);
+                }
+
+                pdfReader.Close();
+            }
+
+            pdfDoc.Close();
+            pdfCopy.Close();
+            msBuilder.Position = 0;
+
+            return msBuilder;
+        }
+    }
+}