Reading PNG metadata properties The GroupDocs.Metadata API supports extracting format-specific information from PNG images.
The following are the steps to read the native PNG metadata.
Load a PNG image Get the root metadata package Extract the native metadata package using PngRootPackage.PngPackage Read the PNG metadata properties AdvancedUsage.ManagingMetadataForSpecificFormats.Image.Png.PngReadTextChunks
using (Metadata metadata = new Metadata(Constants.InputPng)) { var root = metadata.GetRootPackage(); foreach (var chunk in root.PngPackage.TextChunks) { Console.WriteLine(chunk.Keyword); Console.WriteLine(chunk.Text); var compressedChunk = chunk as PngCompressedTextChunk; if (compressedChunk !...Assembly Product Solution GroupDocs...
The page describes how to remove annotations from document when collaborate, edit and annotate documents using GroupDocs.Annotation for .NET....Assembly Product Solution GroupDocs...
This code snippet demonstrates how to extract information about known properties that can be encountered in a particular package.
Load a file to examine Get a collection of PropertyDescriptor instances for any desired metadata package Iterate through the extracted descriptors advanced_usage.GettingKnownPropertyDescriptors
JavaScript const metadata = new groupdocs.metadata.Metadata("input.doc"); var root = metadata.getRootPackageGeneric(); var descriptors = root.getDocumentProperties().getKnowPropertyDescriptors(); for(var i=0;iAssembly Product Solution GroupDocs...
Reading FLV header properties The GroupDocs.Metadata API supports extracting format-specific information from the FLV file header.
The following are the steps to read the header of an FLV file.
Load an FLV video Get the root metadata package Extract the native metadata package using the FlvRootPackage.getHeader method Read the FLV header properties advanced_usage.managing_metadata_for_specific_formats.video.flv.FlvReadHeaderProperties
try (Metadata metadata = new Metadata(Constants.InputFlv)) { FlvRootPackage root = metadata.getRootPackageGeneric(); System.out.println(root.getHeader().getVersion()); System.out.println(root.getHeader().hasAudioTags()); System.out.println(root.getHeader().hasVideoTags()); System.out.println(root.getHeader().getTypeFlags()); } Working with XMP metadata GroupDocs....Assembly Product Solution GroupDocs...
The page describes how to load PDF, Word, Excel, PowerPoint documents from Azure Blob storage when using GroupDocs.Annotation for .NET....Assembly Product Solution GroupDocs...
Learn how to minify HTML and CSS when rendering of documents into HTML and make your HTML documents load faster with GroupDocs.Viewer....Assembly Product Solution GroupDocs...