Let's learn how to lock PDF files with password protection using C#. Change the existing password or remove it to unlock the PDF files using .NET API....discussed adding text and image watermarks to the documents to avoid...unlock documents, we will use GroupDocs.Merger for .NET . This API...
This article explains how to search for encrypted electronic signatures in the document metadata. This topic contains example of using standard encryption, serialization, class definition and search for embedded objects in the document metadata with Groupdocs.Signature....Navigation Products GroupDocs.Total Product Family GroupDocs.Viewer Product...Solution GroupDocs.Annotation Product Solution GroupDocs.Conversion...
Reading BMP header properties The Groupdocs.Metadata API supports extracting format-specific information from BMP file headers.
The following are the steps to read the header of a BMP file.
Load a BMP image Get the root metadata package Extract the native metadata package using the BmpRootPackage.getBmpHeader method Read the BMP header properties advanced_usage.managing_metadata_for_specific_formats.image.bmp.BmpReadHeaderProperties
try (Metadata metadata = new Metadata(Constants.InputBmp)) { BmpRootPackage root = metadata.getRootPackageGeneric(); System.out.println(root.getBmpHeader().getBitsPerPixel()); System.out.println(root.getBmpHeader().getColorsImportant()); System.out.println(root.getBmpHeader().getHeaderSize()); System.out.println(root.getBmpHeader().getImageSize()); System.out.println(root.getBmpHeader().getPlanes()); } More resources GitHub examples You may easily run the code above and see the feature in action in our GitHub examples:...Navigation Products GroupDocs.Total Product Family GroupDocs.Viewer Product...Solution GroupDocs.Annotation Product Solution GroupDocs.Conversion...
Protect PDF documents when rendering documents using Groupdocs.Viewer for Java...Navigation Products GroupDocs.Total Product Family GroupDocs.Viewer Product...Solution GroupDocs.Annotation Product Solution GroupDocs.Conversion...
Reading DICOM metadata properties The Groupdocs.Metadata API supports extracting format-specific information from DICOM images.
The following are the steps to read the native DICOM metadata.
Load a DICOM image Get the root metadata package Extract the native metadata package using the DicomRootPackage.getDicomPackage method Read the DICOM metadata properties examples.advanced_usage.managing_metadata_for_specific_formats.image.dicom.DicomReadNativeMetadataProperties
try (Metadata metadata = new Metadata(Constants.InputDicom)) { DicomRootPackage root = metadata.getRootPackageGeneric(); if (root.getDicomPackage() != null) { System.out.println(root.getDicomPackage().getBitsAllocated()); System.out.println(root.getDicomPackage().getReds()); System.out.println(root.getDicomPackage().getGreens()); System.out.println(root.getDicomPackage().getBlues()); System....Navigation Products GroupDocs.Total Product Family GroupDocs.Viewer Product...Solution GroupDocs.Annotation Product Solution GroupDocs.Conversion...
The following example demonstrates how to load a file from a local disk.
advanced_usage.loading_files.LoadFromLocalDisk
JavaScript try { const metadata = new Groupdocs.metadata.Metadata("input.one"); } More resources Advanced usage topics To learn more about library features and get familiar how to manage metadata and more, please refer to theadvanced usage section.
GitHub examples You may easily run the code above and see the feature in action in our GitHub examples:
Groupdocs.Metadata for ....Navigation Products GroupDocs.Total Product Family GroupDocs.Viewer Product...Solution GroupDocs.Annotation Product Solution GroupDocs.Conversion...
This article explains how to specify encoding when loading documents with Groupdocs.Viewer within your Java applications....Navigation Products GroupDocs.Total Product Family GroupDocs.Viewer Product...Solution GroupDocs.Annotation Product Solution GroupDocs.Conversion...
Learn how to exclude system pre-installed fonts from HTML markup to reduce rendered document size when rendering documents using Groupdocs.Viewer for Java....Navigation Products GroupDocs.Total Product Family GroupDocs.Viewer Product...Solution GroupDocs.Annotation Product Solution GroupDocs.Conversion...
Groupdocs.Redaction allows you to load password-protected documents and load documents from different sources.
For more details please refer to the following guides:...Navigation Products GroupDocs.Total Product Family GroupDocs.Viewer Product...Solution GroupDocs.Annotation Product Solution GroupDocs.Conversion...