//// This code is part of Document Solutions for PDF .NET demos.// Copyright (c) MESCIUS inc. All rights reserved.//using System.IO;using System.Drawing;using GrapeCity.Documents.Pdf;using GrapeCity.Documents.Text;
namespace DsPdfWeb.Demos{    // This example shows how to load a password protected PDF and get its page count and page sizes.    // For reference, the loaded PDF is protected with the owner password 'owner' and user password 'user'.    public class NoPassGetPageInfo    {        public int CreatePDF(Stream stream)        {            using var fs = File.OpenRead(Path.Combine("Resources", "PDFs", "Wetlands-password-user.pdf"));            // Set up DecryptionOptions to allow loading password protected PDFs without password:            var dopt = new DecryptionOptions() { ThrowExceptionIfInvalidPassword = false };            var docSrc = new GcPdfDocument();            docSrc.Load(fs, dopt);
            // The PDF to hold the results:            var doc = new GcPdfDocument();            var page = doc.NewPage();            // Set up a TextLayout to format the results:            var tl = page.Graphics.CreateTextLayout();            tl.DefaultFormat.Font = StandardFonts.Courier;            tl.DefaultFormat.FontSize = 14;            tl.MaxWidth = doc.PageSize.Width;            tl.MaxHeight = doc.PageSize.Height;            tl.MarginAll = tl.Resolution;            var captionFmt = new TextFormat(tl.DefaultFormat) { Font = StandardFonts.CourierBold };
            // Get and print some of the source PDF stats:            tl.AppendLine($"The source PDF contains {docSrc.Pages.Count} page(s).", captionFmt);            foreach (var pg in  docSrc.Pages)            {                tl.AppendLine($"  Page at index {pg.Index}:", captionFmt);                var sz = pg.GetRenderSize();                tl.AppendLine($"    Page size is {sz.Width}x{sz.Height}.");                tl.AppendLine($"    Page has {(pg.Landscape ? "landscape" : "portrait")} orientation.");                tl.AppendLine($"    Page paper kind is '{pg.PaperKind}'.");            }
            // Render the results:            tl.PerformLayout(true);            while (true)            {                var splitResult = tl.Split(null, out TextLayout rest);                page.Graphics.DrawTextLayout(tl, PointF.Empty);                if (splitResult != SplitResult.Split)                    break;                tl = rest;                tl.MarginTop = tl.Resolution;                page = doc.Pages.Add();            }
            // Done:            doc.Save(stream);            return doc.Pages.Count;        }    }}