DocumentPages Class (original) (raw)

Syntax

public class DocumentPages extends LeadCollection<DocumentPage> 
class DocumentPages(LeadCollection): 

Example

using Leadtools; using Leadtools.Caching; using Leadtools.Document; public void DocumentExample() { var cache = GetCache(); var policy = new CacheItemPolicy(); policy.AbsoluteExpiration = DateTime.Now + new TimeSpan(0, 0, 1); policy.SlidingExpiration = new TimeSpan(0, 0, 1); var options = new LoadDocumentOptions(); options.CachePolicy = policy; options.Cache = cache; if(options.Cache == null) { options.Cache = DocumentFactory.Cache; } string documentId = null; using (var document = DocumentFactory.LoadFromFile(Path.Combine(LEAD_VARS.ImagesDir, "Leadtools.pdf"), options)) { document.GetDocumentFileName(); document.IsReadOnly = false; document.AutoDeleteFromCache = false; // DocumentImages reference document.Images.DefaultBitsPerPixel = 24; Console.WriteLine(document.Images.IsResolutionsSupported); Console.WriteLine(document.Images.IsSvgSupported); // Check if the document has a stream in memory if (document.HasStream) { // Get the document stream document.GetDocumentStream(); } // Indicate whether the document is using the cache or not Console.WriteLine(document.HasCache); //Indicate if the document was downloaded Console.WriteLine(document.IsDownloaded); // Gets a value that determines whether the document structure is supported Console.WriteLine(document.IsStructureSupported); // Output metadata values (DocumentMetadata reference) Console.WriteLine(document.Metadata.Values.Count); // Get the Mime type of the document Console.WriteLine(document.MimeType); // Parse document structure data (DocumentStructure reference) foreach(DocumentBookmark bookmark in document.Structure.Bookmarks) { bookmark.Title = null; bookmark.FontStyles = DocumentFontStyles.Normal; document.Structure.Bookmarks.Add(bookmark); Console.WriteLine(bookmark.Children); Console.WriteLine(bookmark.Target); Console.WriteLine(document.Structure.Bookmarks.Count); Console.WriteLine(document.Structure.IsParsed); Console.WriteLine(document.Structure.ParseBookmarks); } document.Structure.Parse(); // Get the document URI Console.WriteLine(document.Uri); // Get each DocumentPage object (DocumentPage & DocumentPages reference) foreach (DocumentPage page in document.Pages) { // Get the page as a raster image at the specified resolution page.GetImage(0); // Get the page as an Svg with specified options page.GetSvg(null); // Flip this page horizontally page.Reverse(); // Use this method to add an array of links for this page page.SetLinks(null); page.IsLinksModified = false; page.Resolution = 0; page.ViewPerspective = RasterViewPerspective.TopLeft; page.SetLinks(page.GetLinks()); Console.WriteLine($"Page Number: {page.PageNumber}, Original PageNumber: {page.OriginalPageNumber}, Size of the page: {page.Size}"); } PrintOutDocumentInfo(document); documentId = document.DocumentId; document.SaveToCache(); } System.Threading.Thread.Sleep(2000); var loadFromCacheOptions = new LoadFromCacheOptions(); loadFromCacheOptions.Cache = cache; loadFromCacheOptions.DocumentId = documentId; using (var document = DocumentFactory.LoadFromCache(loadFromCacheOptions)) { if (null == document) { Console.WriteLine("Cached document was expired and deleted!"); } } } static class LEAD_VARS { public const string ImagesDir = @"C:\LEADTOOLS22\Resources\Images"; }