Images Property (original) (raw)
Summary
Object that manages the raster and SVG image settings of the document.
Syntax
public DocumentImages getImages() Property Value
The DocumentImages object that manages the raster and SVG image settings of this LEADDocument.
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";
}