//// This code is part of Document Solutions for PDF .NET demos.// Copyright (c) MESCIUS inc. All rights reserved.//using System.IO;using System.Collections.Generic;using GrapeCity.Documents.Pdf;using GrapeCity.Documents.Drawing;
namespace DsPdfWeb.Demos{    // Shows how to create a PDF document from images, with each image representing a full document page.    public class ImagesToPdf    {        public int CreatePDF(Stream stream)        {            var doc = new GcPdfDocument();
            // Load the page images from the Resources/ImagesBis folder:            var pageImages = new List<(string FileName, Image Image)>();            foreach (var fname in Directory.GetFiles(Path.Combine("Resources", "ImagesBis"), "Wetlands-page*.png", SearchOption.TopDirectoryOnly))                pageImages.Add((Path.GetFileName(fname), Image.FromFile(fname)));
            // Optional: sort the page images by file name:            pageImages.Sort((a, b) => string.Compare(a.FileName, b.FileName));
            // Align images to the top-left corner without scaling, cropping, or tiling, while preserving aspect ratio:            var align = new ImageAlign(ImageAlignHorz.Left, ImageAlignVert.Top, false, false, true, false, false);
            // Add one page per image and draw the image on the page:            foreach (var pageImage in pageImages)            {                var page = doc.Pages.Add();                page.Graphics.DrawImage(pageImage.Image, page.Bounds, null, align);            }
            // Done:            doc.Save(stream);            return doc.Pages.Count;        }    }}