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image watermarking

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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...formats / Images / Working with metadata in PNG images Working...

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  2. Add Area Annotation to JPG using Java

    In this topic, you'll discover how to add area annotation to JPG using Java. It encompasses detailed steps and code example to insert area annotation to JPG in Java....Watermark Product Family GroupDocs.Merger...visual communication, enhancing images with annotations can greatly...

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  3. Working with XMP metadata | GroupDocs

    This article shows how to access XMP metadata in a file of any supported format....Watermark Product Solution GroupDocs...gets XMP properties of a PNG image and displays them on the screen...

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  4. Working with XMP metadata | GroupDocs

    Access, read, update, add custom packages, and remove XMP metadata using GroupDocs.Metadata for Python via .NET....Watermark Product Solution GroupDocs...gets XMP properties of a PNG image and displays them on the screen...

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  5. Add Text Watermark to PPTX using Java

    Discover how to add text watermark to PPTX using Java, all without needing any extra software installation. Plus, get code to insert text watermark to PPTX in Java....Watermark Product Family GroupDocs.Merger...Redaction Product Family Add Text Watermark to PPTX using Java When it...

    kb.groupdocs.com/watermark/java/add-text-waterm...
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  6. How to Sign PDF with Digital Signature using Java

    This short tutorial walks you through the process to sign a PDF with a digital signature using Java and provides the implementation of a digital signature in Java....Watermark Product Family GroupDocs.Merger...signature including background image, left position, the top position...

    kb.groupdocs.com/signature/java/how-to-sign-pdf...
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  7. How to Convert MHTML to JPG in C#

    This short post will show you how to convert MHTML to JPG in C# without using any third-party software, as well as how to build MHTML to JPG converter functionality....Watermark Product Family GroupDocs.Merger...convert options for the output image file. Moreover, MHTML file can...

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  8. Adding text watermarks | GroupDocs

    Add text watermarks to pages, worksheets, slides or frames using Python via .NET....Watermark Product Solution GroupDocs...GroupDocs.Watermark Product Family / GroupDocs.Watermark for Python...

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  9. Supported Document Formats | GroupDocs

    It supports DOCX, DOCM, DOC, DOT, DOTM, XLS, XLSX, PDF, PPT, JPG, PNG, HTML, EML and many more....Watermark Product Solution GroupDocs...OpenDocument Presentation , Tagged Image File Format (TIFF) Joint Photographic...

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  10. Composing signature with linear gradient brush ...

     This article explains how to fill signature background with linear gradient brush...Watermark Product Solution GroupDocs...SignatureImplementat = TextSignatureImpleme . Image }; // sign document to file...

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