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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....Signature Product Solution GroupDocs...Upgrade an Order Support Docs API Reference Live Demos Free Support...
This article shows how to extract data (text, images, PDF forms) from ZIP-archived Documents with GroupDocs.Parser....Signature Product Solution GroupDocs...Upgrade an Order Support Docs API Reference Live Demos Free Support...
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This article describes how to generate a preview for any slide in an existing PowerPoint presentation in SVG format using GroupDocs.Editor for Node.js and Java....Signature Product Solution GroupDocs...Upgrade an Order Support Docs API Reference Live Demos Free Support...
This article explains how to create an instance of the EditableDocument class from HTML files from disk or from HTML markup with resources using GroupDocs.Editor for Node.js via Java Api....Signature Product Solution GroupDocs...Upgrade an Order Support Docs API Reference Live Demos Free Support...
Learn how to perform phrase search in Documents using C#. Discover techniques to search Documents by phrases in C# and streamline your Document search processes....Find Answers by API GroupDocs.Total Product Family GroupDocs...Product Family GroupDocs.Signature Product Family GroupDocs.Metadata...
Follow the instructions on this page to configure the license and find out the restrictions when using GroupDocs.Parser for Python via .NET without a license (Evaluation Limitations)...Signature Product Solution GroupDocs...Upgrade an Order Support Docs API Reference Live Demos Free Support...
Easily discover how to scan QR Code from PNG using C# without need for additional software installations along with code example to extract QR Code from PNG in C#....Find Answers by API GroupDocs.Total Product Family GroupDocs...Product Family GroupDocs.Signature Product Family GroupDocs.Metadata...