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System requirements, supported platforms, and environment setup for GroupDocs.Conversion for Node.js via Java. No Microsoft Office or other third‑party software is required....Annotation Product Solution GroupDocs...Product Solution GroupDocs.Comparison Product Solution GroupDocs...
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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....Annotation Product Solution GroupDocs...Product Solution GroupDocs.Comparison Product Solution GroupDocs...
This article explains how the The GroupDocs.Metadata API allows reading some common MPEG audio properties from MP3 files....Annotation Product Solution GroupDocs...Product Solution GroupDocs.Comparison Product Solution GroupDocs...
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