core/Test/Applications/Base64/Form1.cs

/*
 * Copyright (C) Ascensio System SIA, 2009-2026
 *
 * This program is a free software product. You can redistribute it and/or
 * modify it under the terms of the GNU Affero General Public License (AGPL)
 * version 3 as published by the Free Software Foundation, together with the
 * additional terms provided in the LICENSE file.
 *
 * This program is distributed WITHOUT ANY WARRANTY; without even the implied
 * warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. For
 * details, see the GNU AGPL at: https://www.gnu.org/licenses/agpl-3.0.html
 *
 * You can contact Ascensio System SIA by email at info@onlyoffice.com
 * or by postal mail at 20A-6 Ernesta Birznieka-Upisha Street, Riga,
 * LV-1050, Latvia, European Union.
 *
 * The interactive user interfaces in modified versions of the Program
 * are required to display Appropriate Legal Notices in accordance with
 * Section 5 of the GNU AGPL version 3.
 *
 * No trademark rights are granted under this License.
 *
 * All non-code elements of the Product, including illustrations,
 * icon sets, and technical writing content, are licensed under the
 * Creative Commons Attribution-ShareAlike 4.0 International License:
 * https://creativecommons.org/licenses/by-sa/4.0/legalcode
 *
 * This license applies only to such non-code elements and does not
 * modify or replace the licensing terms applicable to the Program's
 * source code, which remains licensed under the GNU Affero General
 * Public License v3.
 *
 * SPDX-License-Identifier: AGPL-3.0-only
 */
using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Linq;
using System.Text;
using System.Windows.Forms;
using System.IO;
//using Microsoft.Office.Interop.Word;

namespace WindowsFormsApplication1
{
    public partial class Form1 : Form
    {
        public Form1()
        {
            InitializeComponent();

            /*
            object paramSourceDocPath = @"C:\Users\Oleg.Korshul\Downloads\eu.docx";
            string paramExportFilePath = @"C:\DEST\Test.pdf";
            WdExportFormat paramExportFormat = WdExportFormat.wdExportFormatPDF;
            bool paramOpenAfterExport = false;
            WdExportOptimizeFor paramExportOptimizeFor =
                WdExportOptimizeFor.wdExportOptimizeForOnScreen;
            WdExportRange paramExportRange = WdExportRange.wdExportAllDocument;
            int paramStartPage = 0;
            int paramEndPage = 0;
            WdExportItem paramExportItem = WdExportItem.wdExportDocumentWithMarkup;
            bool paramIncludeDocProps = true;
            bool paramKeepIRM = true;
            WdExportCreateBookmarks paramCreateBookmarks =
                WdExportCreateBookmarks.wdExportCreateWordBookmarks;
            bool paramDocStructureTags = true;
            bool paramBitmapMissingFonts = true;
            bool paramUseISO19005_1 = false;
            object paramMissing = Type.Missing;

            ApplicationClass wordApplication = new ApplicationClass();
            Document wordDocument = null;

            try
            {
                // Open the source document.
                wordDocument = wordApplication.Documents.Open(
                    ref paramSourceDocPath, ref paramMissing, ref paramMissing,
                    ref paramMissing, ref paramMissing, ref paramMissing,
                    ref paramMissing, ref paramMissing, ref paramMissing,
                    ref paramMissing, ref paramMissing, ref paramMissing,
                    ref paramMissing, ref paramMissing, ref paramMissing,
                    ref paramMissing);

                // Export it in the specified format.
                if (wordDocument != null)
                    wordDocument.ExportAsFixedFormat(paramExportFilePath,
                        paramExportFormat, paramOpenAfterExport,
                        paramExportOptimizeFor, paramExportRange, paramStartPage,
                        paramEndPage, paramExportItem, paramIncludeDocProps,
                        paramKeepIRM, paramCreateBookmarks, paramDocStructureTags,
                        paramBitmapMissingFonts, paramUseISO19005_1,
                        ref paramMissing);
            }
            catch (Exception ex)
            {
                // Respond to the error
            }
            finally
            {
                // Close and release the Document object.
                if (wordDocument != null)
                {
                    wordDocument.Close(ref paramMissing, ref paramMissing,
                        ref paramMissing);
                    wordDocument = null;
                }

                // Quit Word and release the ApplicationClass object.
                if (wordApplication != null)
                {
                    wordApplication.Quit(ref paramMissing, ref paramMissing,
                        ref paramMissing);
                    wordApplication = null;
                }

                GC.Collect();
                GC.WaitForPendingFinalizers();
                GC.Collect();
                GC.WaitForPendingFinalizers();
            }
            */
        }

        private void button1_Click(object sender, EventArgs e)
        {
            if (openFileDialog1.ShowDialog() != DialogResult.OK)
                return;

            textBox1.Text = openFileDialog1.FileName;

            using (FileStream fsSource = new FileStream(textBox1.Text, FileMode.Open, FileAccess.Read))
            {
                // Read the source file into a byte array.
                byte[] bytes = new byte[fsSource.Length];
                int numBytesToRead = (int)fsSource.Length;
                int numBytesRead = 0;
                while (numBytesToRead > 0)
                {
                    // Read may return anything from 0 to numBytesToRead.
                    int n = fsSource.Read(bytes, numBytesRead, numBytesToRead);

                    // Break when the end of the file is reached.
                    if (n == 0)
                        break;

                    numBytesRead += n;
                    numBytesToRead -= n;
                }
                numBytesToRead = bytes.Length;

                //textBox2.Text = Convert.ToBase64String(bytes, Base64FormattingOptions.None);
                string s = "static const unsigned char c_res[" + Convert.ToString(bytes.Length) + "] = {";
                int nLen = bytes.Length;
                for (int i = 0; i < nLen; i++)
                {
                    s += Convert.ToString(bytes[i]);
                    if (i != (nLen - 1))
                        s += ",";
                }
                s += "};";
                textBox2.Text = s;
            }            
        }

        private void button2_Click(object sender, EventArgs e)
        {
            byte[] resBinary = Convert.FromBase64String(textBox2.Text);
            StreamWriter oW = new StreamWriter("E:\\123.bin");
            oW.BaseStream.Write(resBinary, 0, resBinary.Length);
            oW.Close();
        }
    }
}