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 !... You are welcome to view and edit metadata of PDF, DOC...
Not all metadata properties extracted from a file are marked with tags. Some file formats and metadata standards allow adding fully custom properties that can’t be properly tagged by the library since their purpose is not clearly defined in the appropriate format/standard specification. In such cases, you can use the name of the property to locate and remove it. The following example demonstrates some advanced usage scenarios of the GroupDocs.Metadata search engine allowing to remove metadata properties.... You are welcome to view and edit metadata of PDF, DOC...
We are happy to release GroupDocs.Metadata for .NET API to work with metadata associated with various document and image formats. The API facilitates the user with simple syntax, easy to use methods and few lines of code to perform metadata operations. It provides the support of many popular document and image formats and the number is going to increase in next release.
Why GroupDocs.Metadata Is Developed? Metadata is structured information that is used to contain important business information of different resources....basic metadata operation (i-e view, add, modify, remove) for a...
Not all metadata properties extracted from a file are marked with tags. Some file formats and metadata standards allow adding fully custom properties that can’t be properly tagged by the library since their purpose is not clearly defined in the appropriate format/standard specification. In such cases, you can use the name of the property to locate and remove it. The following example demonstrates some advanced usage scenarios of the GroupDocs.Metadata search engine allowing to remove metadata properties.... You are welcome to view and edit metadata of PDF, DOC...
Great news for all reViewers! We’ve introduced the new GroupDocs Annotation user interface to make your document annotation process easier and faster. With these new enhanced UI and features, you are now able to annotate and collaborate on documents quickly. GroupDocs Annotation is a service that lets you perform document collaboration easily. You and your colleagues can annotate documents and perform document collaboration in real time. You can make suggestions or add the required comments online at the same time, which makes the reView process much faster.... You can view comment summary, comment details...
The SetProperties method is used to update or add metadata. You can easily add metadata to photos, pdfs or you can update or add data to mp3 files.... You are welcome to view and edit metadata of PDF, DOC...
Using the GroupDocs.Metadata search engine you can extract desired metadata properties from files of different types. You don’t need to worry about the exact file format and metadata standards it can deal with. The same code will work for all supported formats in the same way. Most commonly used metadata properties are marked with tags that allow searching them across all supported files in various metadata packages. All tags defined in GroupDocs.... You are welcome to view and edit metadata of PDF, DOC...
You are welcome to View and edit metadata of PDF, DOC, DOCX, PPT, PPTX, XLS, XLSX, emails, images and more.... You are welcome to view and edit metadata of PDF, DOC...