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  1. Working with metadata in PNG images | GroupDocs

    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.getPngPackage Read the PNG metadata properties advanced_usage.managing_metadata_for_specific_formats.image.png.PngReadTextChunks try (Metadata metadata = new Metadata(Constants.InputPng)) { PngRootPackage root = metadata.getRootPackageGeneric(); for (PngTextChunk chunk : root.getPngPackage().getTextChunks()) { System.out.println(chunk.getKeyword()); System.out.println(chunk.getText()); if (chunk instanceof PngCompressedTextChunk) { PngCompressedTextChunk compressedChunk = (PngCompressedTextChunk) chunk; System....Watermark Product Solution GroupDocs...to view and edit metadata of PDF, DOC, DOCX, PPT, PPTX, XLS, XLSX...

    docs.groupdocs.com/metadata/java/working-with-m...
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  2. Handling MPEG audio metadata | GroupDocs

    This article explains how the The GroupDocs.Metadata API allows reading some common MPEG audio properties from MP3 files....Watermark Product Solution GroupDocs...to view and edit metadata of PDF, DOC, DOCX, PPT, PPTX, XLS, XLSX...

    docs.groupdocs.com/metadata/java/handling-mpeg-...
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  3. Verify Digital signatures in the document | Gro...

    This topic explains how to verify digital electronic signatures with GroupDocs.Signature API....Watermark Product Solution GroupDocs...filePath = Constants . SAMPLE_PDF_SIGNED ; // Initialize Signature...

    docs.groupdocs.com/signature/nodejs-java/verify...
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  4. Advanced search for Digital signatures | GroupDocs

     This article explains how to make advanced search for digital electronic signatures with GroupDocs.Signature API....Watermark Product Solution GroupDocs...signature = new Signature ( "signed.pdf" ); DigitalSearchOptions options...

    docs.groupdocs.com/signature/java/advanced-sear...
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  5. Search for QR-Code e-signatures | GroupDocs

    This article explains how to search for QR-code electronic signatures with GroupDocs.Signature API....Watermark Product Solution GroupDocs...signature = new Signature ( "sample.pdf" ); QrCodeSearchOptions options...

    docs.groupdocs.com/signature/java/search-for-qr...
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  6. Extend supported extensions list | GroupDocs

    This article explains the method which can be used when for some reason files have non-standard extensions or if its format is supported, but not pre-configured....Watermark Product Solution GroupDocs...save_options . rasterize_to_pdf = True save_options . redacted_file_suffix...

    docs.groupdocs.com/redaction/python-net/extend-...
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  7. Verify QR-code signatures in the document | Gro...

    This topic explains how to verify QR-code electronic signatures with GroupDocs.Signature API....Watermark Product Solution GroupDocs...signature = new Signature ( "sample.pdf" ); QrCodeVerifyOptions options...

    docs.groupdocs.com/signature/java/verify-qr-cod...
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  8. Advanced search for Form Field signatures | Gro...

     This article explains how to provide advanced search for Form Field electronic signatures with GroupDocs.Signature API....Watermark Product Solution GroupDocs...signature = new Signature ( "signed.pdf" ); FormFieldSearchOptio options...

    docs.groupdocs.com/signature/java/advanced-sear...
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  9. Get the format family and the additional inform...

    This article explains how to get the format family and the additional information using Java with GroupDocs.Viewer for Java....Watermark Product Solution GroupDocs...collection of folders (see ); PDF documents - a flag that indicates...

    docs.groupdocs.com/viewer/java/how-to-get-file-...
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  10. Showcases | GroupDocs

    Code examples and live demonstrations of GroupDocs.Editor for Python via .NET...Watermark Product Solution GroupDocs...document formats, including DOCX, PDF, XLSX, PPTX, and more. It’s a...

    docs.groupdocs.com/editor/python-net/showcases/
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