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....Navigation Products GroupDocs.Total Product Family GroupDocs.Viewer Product...Solution GroupDocs.Annotation Product Solution GroupDocs.Conversion...
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Note This feature is only compatible with GroupDocs.Assembly for .NET 16.12.0 or later releases. Note The code uses some of the objects defined in The Business Layer. Using Tables of Word Processing Documents as Data Sources Following classes are added in GroupDocs.Assembly.Data namespace:
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GroupDocs.Parser provides the functionality to extract data from EPUB e-books. Also CHM and FB2 formats are supported.
The following table provides the list of supported formats:
Format Description CHM Compiled HTML Help File EPUB Digital E-Book File Format FB2 FictionBook 2.0 File More resources GitHub examples You may easily run the code above and see the feature in action in our GitHub examples:
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