コード例 #1
0
        static void Main(string[] args)
        {
            PDFNet.Initialize();

            // Relative path to the folder containing test files.
            string input_path  = "../../TestFiles/";
            string output_path = "../../TestFiles/Output/";

            try
            {
                Console.WriteLine("-------------------------------------------------");
                Console.WriteLine("Opening the input pdf...");
                using (PDFDoc in_doc = new PDFDoc(input_path + "newsletter.pdf"))
                {
                    in_doc.InitSecurityHandler();

                    // Create a list of pages to import from one PDF document to another.
                    ArrayList import_list = new ArrayList();
                    for (PageIterator itr = in_doc.GetPageIterator(); itr.HasNext(); itr.Next())
                    {
                        import_list.Add(itr.Current());
                    }

                    using (PDFDoc new_doc = new PDFDoc())                     //  Create a new document
                        using (ElementBuilder builder = new ElementBuilder())
                            using (ElementWriter writer = new ElementWriter())
                            {
                                ArrayList imported_pages = new_doc.ImportPages(import_list);

                                // Paper dimension for A3 format in points. Because one inch has
                                // 72 points, 11.69 inch 72 = 841.69 points
                                Rect   media_box = new Rect(0, 0, 1190.88, 841.69);
                                double mid_point = media_box.Width() / 2;

                                for (int i = 0; i < imported_pages.Count; ++i)
                                {
                                    // Create a blank new A3 page and place on it two pages from the input document.
                                    Page new_page = new_doc.PageCreate(media_box);
                                    writer.Begin(new_page);

                                    // Place the first page
                                    Page    src_page = (Page)imported_pages[i];
                                    Element element  = builder.CreateForm(src_page);

                                    double sc_x  = mid_point / src_page.GetPageWidth();
                                    double sc_y  = media_box.Height() / src_page.GetPageHeight();
                                    double scale = Math.Min(sc_x, sc_y);
                                    element.GetGState().SetTransform(scale, 0, 0, scale, 0, 0);
                                    writer.WritePlacedElement(element);

                                    // Place the second page
                                    ++i;
                                    if (i < imported_pages.Count)
                                    {
                                        src_page = (Page)imported_pages[i];
                                        element  = builder.CreateForm(src_page);
                                        sc_x     = mid_point / src_page.GetPageWidth();
                                        sc_y     = media_box.Height() / src_page.GetPageHeight();
                                        scale    = Math.Min(sc_x, sc_y);
                                        element.GetGState().SetTransform(scale, 0, 0, scale, mid_point, 0);
                                        writer.WritePlacedElement(element);
                                    }

                                    writer.End();
                                    new_doc.PagePushBack(new_page);
                                }
                                new_doc.Save(output_path + "newsletter_booklet.pdf", SDFDoc.SaveOptions.e_linearized);
                                Console.WriteLine("Done. Result saved in newsletter_booklet.pdf...");
                            }
                }
            }
            catch (Exception e)
            {
                Console.WriteLine("Exception caught:\n{0}", e);
            }
        }
コード例 #2
0
        static void Main(string[] args)
        {
            PDFNet.Initialize();

            // Relative path to the folder containing test files.
            string input_path  = "../../TestFiles/";
            string output_path = "../../TestFiles/Output/";

            // Sample 1 - Split a PDF document into multiple pages
            try
            {
                Console.WriteLine("_______________________________________________");
                Console.WriteLine("Sample 1 - Split a PDF document into multiple pages...");
                Console.WriteLine("Opening the input pdf...");

                using (PDFDoc in_doc = new PDFDoc(input_path + "newsletter.pdf"))
                {
                    in_doc.InitSecurityHandler();

                    int page_num = in_doc.GetPageCount();
                    for (int i = 1; i <= page_num; ++i)
                    {
                        using (PDFDoc new_doc = new PDFDoc())
                        {
                            new_doc.InsertPages(0, in_doc, i, i, PDFDoc.InsertFlag.e_none);
                            new_doc.Save(output_path + "newsletter_split_page_" + i + ".pdf", SDFDoc.SaveOptions.e_remove_unused);
                            Console.WriteLine("Done. Result saved in newsletter_split_page_" + i + ".pdf");
                        }
                    }
                }
            }
            catch (Exception e)
            {
                Console.WriteLine("Exception caught:\n{0}", e);
            }

            // Sample 2 - Merge several PDF documents into one
            try
            {
                Console.WriteLine("_______________________________________________");
                Console.WriteLine("Sample 2 - Merge several PDF documents into one...");

                using (PDFDoc new_doc = new PDFDoc())
                {
                    new_doc.InitSecurityHandler();
                    int page_num = 15;
                    for (int i = 1; i <= page_num; ++i)
                    {
                        Console.WriteLine("Opening newsletter_split_page_" + i + ".pdf");
                        using (PDFDoc in_doc = new PDFDoc(output_path + "newsletter_split_page_" + i + ".pdf"))
                        {
                            new_doc.InsertPages(i, in_doc, 1, in_doc.GetPageCount(), PDFDoc.InsertFlag.e_none);
                        }
                    }
                    new_doc.Save(output_path + "newsletter_merge_pages.pdf", SDFDoc.SaveOptions.e_remove_unused);
                }
                Console.WriteLine("Done. Result saved in newsletter_merge_pages.pdf");
            }
            catch (Exception e)
            {
                Console.WriteLine("Exception caught:\n{0}", e);
            }


            // Sample 3 - Delete every second page
            try
            {
                Console.WriteLine("_______________________________________________");
                Console.WriteLine("Sample 3 - Delete every second page...");
                Console.WriteLine("Opening the input pdf...");

                using (PDFDoc in_doc = new PDFDoc(input_path + "newsletter.pdf"))
                {
                    in_doc.InitSecurityHandler();

                    int          page_num = in_doc.GetPageCount();
                    PageIterator itr;
                    while (page_num >= 1)
                    {
                        itr = in_doc.GetPageIterator(page_num);
                        in_doc.PageRemove(itr);
                        page_num -= 2;
                    }

                    in_doc.Save(output_path + "newsletter_page_remove.pdf", 0);
                }
                Console.WriteLine("Done. Result saved in newsletter_page_remove.pdf...");
            }
            catch (Exception e)
            {
                Console.WriteLine("Exception caught:\n{0}", e);
            }

            // Sample 4 - Inserts a page from one document at different
            // locations within another document
            try
            {
                Console.WriteLine("_______________________________________________");
                Console.WriteLine("Sample 4 - Insert a page at different locations...");
                Console.WriteLine("Opening the input pdf...");

                using (PDFDoc in1_doc = new PDFDoc(input_path + "newsletter.pdf"))
                    using (PDFDoc in2_doc = new PDFDoc(input_path + "fish.pdf"))
                    {
                        in1_doc.InitSecurityHandler();
                        in2_doc.InitSecurityHandler();

                        Page         src_page = in2_doc.GetPage(1);
                        PageIterator dst_page = in1_doc.GetPageIterator(1);
                        int          page_num = 1;
                        while (dst_page.HasNext())
                        {
                            if (page_num++ % 3 == 0)
                            {
                                in1_doc.PageInsert(dst_page, src_page);
                            }
                            dst_page.Next();
                        }

                        in1_doc.Save(output_path + "newsletter_page_insert.pdf", 0);
                        Console.WriteLine("Done. Result saved in newsletter_page_insert.pdf...");
                    }
            }
            catch (Exception e)
            {
                Console.WriteLine("Exception caught:\n{0}", e);
            }

            // Sample 5 - Replicate pages within a single document
            try
            {
                Console.WriteLine("_______________________________________________");
                Console.WriteLine("Sample 5 - Replicate pages within a single document...");
                Console.WriteLine("Opening the input pdf...");
                using (PDFDoc doc = new PDFDoc(input_path + "newsletter.pdf"))
                {
                    doc.InitSecurityHandler();

                    // Replicate the cover page three times (copy page #1 and place it before the
                    // seventh page in the document page sequence)
                    Page         cover = doc.GetPage(1);
                    PageIterator p7    = doc.GetPageIterator(7);
                    doc.PageInsert(p7, cover);
                    doc.PageInsert(p7, cover);
                    doc.PageInsert(p7, cover);

                    // Replicate the cover page two more times by placing it before and after
                    // existing pages.
                    doc.PagePushFront(cover);
                    doc.PagePushBack(cover);

                    doc.Save(output_path + "newsletter_page_clone.pdf", 0);
                    Console.WriteLine("Done. Result saved in newsletter_page_clone.pdf...");
                }
            }
            catch (Exception e)
            {
                Console.WriteLine("Exception caught:\n{0}", e);
            }

            // Sample 6 - Use ImportPages() in order to copy multiple pages at once
            // in order to preserve shared resources between pages (e.g. images, fonts,
            // colorspaces, etc.)
            try
            {
                Console.WriteLine("_______________________________________________");
                Console.WriteLine("Sample 6 - Preserving shared resources using ImportPages...");
                Console.WriteLine("Opening the input pdf...");
                using (PDFDoc in_doc = new PDFDoc(input_path + "newsletter.pdf"))
                {
                    in_doc.InitSecurityHandler();
                    using (PDFDoc new_doc = new PDFDoc())
                    {
                        ArrayList copy_pages = new ArrayList();
                        for (PageIterator itr = in_doc.GetPageIterator(); itr.HasNext(); itr.Next())
                        {
                            copy_pages.Add(itr.Current());
                        }

                        ArrayList imported_pages = new_doc.ImportPages(copy_pages);
                        for (int i = 0; i != imported_pages.Count; ++i)
                        {
                            new_doc.PagePushFront((Page)imported_pages[i]);                             // Order pages in reverse order.
                            // Use PagePushBack() if you would like to preserve the same order.
                        }

                        new_doc.Save(output_path + "newsletter_import_pages.pdf", 0);
                        Console.WriteLine("Done. Result saved in newsletter_import_pages.pdf...");
                        Console.WriteLine();
                        Console.WriteLine("Note that the output file size is less than half the size");
                        Console.WriteLine("of the file produced using individual page copy operations");
                        Console.WriteLine("between two documents");
                    }
                }
            }
            catch (Exception e)
            {
                Console.WriteLine("Exception caught:\n{0}", e);
            }
        }