// Copyright (C) 2003-2026, Foxit Software Inc..
// All Rights Reserved.
//
// http://www.foxitsoftware.com
//
// The following code is copyrighted and contains proprietary information and trade secrets of Foxit Software Inc..
// You cannot distribute any part of Foxit PDF SDK to any third party or general public,
// unless there is a separate license agreement with Foxit Software Inc. which explicitly grants you such rights.
//
// This file contains an example to demonstrate how to use Foxit PDF SDK to implement the conversion between OFD
// file and PDF file and to render OFD page.

using System;
using foxit.common;
using foxit.addon.conversion;
using foxit.addon.ofd;
using foxit.common.fxcrt;

namespace ofdCS
{
    class ofd
    {
        public static string output_path = "../output_files/ofd/";
        public static string input_path = "../input_files/ofd/";

        public static void Save2Image(foxit.common.Bitmap bitmap)
        {
            string save_name = output_path + "renderBitmap.bmp";
            // Add the bitmap to image and save the image.
            foxit.common.Image image = new foxit.common.Image();
            image.AddFrame(bitmap);
            image.SaveAs(save_name);
            System.GC.Collect();
        }

        static void Main(String[] args)
        {
            System.IO.Directory.CreateDirectory(output_path);
            // Initialize library
            string sn = "Rew1vB0TqoMIxX444UcpScARWdhgJpsJfzmyMLR32a0+EgrCjp2NaQ==";
            string key = "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";
            ErrorCode error_code = Library.Initialize(sn, key);
            if (error_code != ErrorCode.e_ErrSuccess)
            {
                Console.WriteLine("Library Initialize Error: {0}\n", error_code);
                return;
            }

            try
            {
                // "engine_path" is the path of ofd engine file. Please refer to Developer Guide for more details.
                string engine_path = "";

                if (engine_path == "")
                {
                    Console.WriteLine("engine_path is still empty. Please set it with a valid path to OFD engine path.");
                    return;
                }

                // Initialize OFD engine.
                error_code = Library.InitializeOFDEngine(engine_path);
                if (error_code != ErrorCode.e_ErrSuccess)
                {
                    switch (error_code)
                    {
                        case ErrorCode.e_ErrInvalidLicense:
                            Console.WriteLine("[Failed] OFD module is not contained in current Foxit PDF SDK keys.");
                            break;
                        default:
                            Console.WriteLine("Fail to initialize OFD engine. Error: " + error_code);
                            break;
                    }
                    return;
                }
                Console.WriteLine("OFD Engine is initialized.");

                String src_ofd_path = input_path + "wm_txttiled.ofd";
                String src_pdf_path = input_path + "test.pdf";
                String render_file_path = input_path + "content_flag.ofd";
                // Convert PDF document to OFD document, and convert OFD document to PDF document.
                using(OFDConvertParam convert_param = new OFDConvertParam())
                {
                    // Convert OFD document to PDF document.
                    foxit.addon.conversion.Convert.FromOFD(src_ofd_path, "", output_path + "ofd2pdf.pdf", convert_param);
                    // Convert PDF document to OFD document.
                    foxit.addon.conversion.Convert.ToOFD(src_pdf_path, "", output_path + "pdf2ofd.ofd", convert_param);
                }
                // Render OFD document to bitmap.
                using (OFDDoc doc = new OFDDoc(render_file_path, ""))
                {
                    using (OFDPage ofd_page = doc.GetPage(0))
                    {
                        // Get the size of the page.
                        float w = ofd_page.GetWidth();
                        float h = ofd_page.GetHeight();
                        using (Bitmap bitmap = new Bitmap((int)w, (int)h, Bitmap.DIBFormat.e_DIBArgb, System.IntPtr.Zero, 0))
                        {
                            // Get the display matrix of the page.
                            Matrix2D matrix_1 = ofd_page.GetDisplayMatrix(0, 0, (int)w, (int)h, Rotation.e_Rotation0);

                            OFDRenderer ofd_render = new OFDRenderer(bitmap);

                            Progressive progressive = ofd_render.StartRender(ofd_page, matrix_1);
                            // Add the bitmap to image and save the image.
                            Save2Image(bitmap);
                            ofd_page.Release();
                            doc.Release();
                        }
                    }
                }
                
                Library.ReleaseOFDEngine();
                Console.WriteLine("END: OFD demo.");
            }
            catch (System.Exception e)
            {
                Console.WriteLine(e.Message);
            }
            Library.Release();
        }
    }
}
