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extraction

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  1. Working with metadata in PNG images | Documenta...

    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....Metadata API supports extracting format-specific information...the root metadata package Extract the native metadata package...

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  2. 如何在 Java 中从 HTML 中提取文本

    本文介绍了在 Java 中从 HTML 中提取文本的分步过程，以及如何使用这些步骤来开发 Java 从 HTML 中获取文本应用程序。...您将学习如何设置环境以及如何将这些步骤转化为编写代码以实现 Java extract Text from HTML 应用程序。让我们查看逐步说明以及使用...最后，从阅读器中读取文本并显示 通过使用上述要点可以帮助您快速创建 extract Text from HTML Java 功能。第一步使您能够从...

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  3. Comment extraire des images d'Excel en Java

    Apprenez rapidement le flux de travail pour extraire des images d'Excel en Java et développez l'application d'analyse pour obtenir des images d'Excel en utilisant Java en quelques lignes de code....développer la fonctionnalité d’extraction d’images du document Excel...avons publié un article sur l’extraction de texte d’un fichier Markdown...

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  4. 用 Java 处理 JPEG、PNG、TIFF 和 WebP 图像的 EXIF 数据

    在 Java 中操作图像的 EXIF 元数据。使用 Java API 以编程方式提取、更新、添加或删除 JPG/JPEG、PNG、WebP 或其他图像的 EXIF 数据。... // Extract EXIF Data Package Information...getExifPackage() != null) { // Extract EXIF Package ExifPackage exifPackage...

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  5. Traverse a whole metadata tree | Documentation

    This article explains that the GroupDocs.Metadata represents any loaded file as a tree consisting of metadata properties and nested metadata packages. You can easily iterate through the metadata tree...access to all properties extracted from a document, video, image...of the whole metadata tree extracted from the file Use any algorithm...

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  6. Extrahujte obrázky z dokumentů PDF v C# pomocí ...

    Naučte se extrahovat obrázky ze souborů PDF pomocí C# ve vašich aplikacích .NET. Extrahujte obrázky ze souborů PDF nebo z jakékoli konkrétní stránky pomocí rozhraní .NET API....WriteLine("Images extraction isn't supported"); return;...Console.WriteLine("Images extraction isn't supported"); return;...

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  7. Working with OpenType fonts | Documentation

    OpenType is a format for scalable computer fonts. It was built on its predecessor TrueType, retaining TrueType’s basic structure and adding many intricate data structures for prescribing typographic behavior. Note Please find more information on the OpenType format here: https://en.wikipedia.org/wiki/OpenType. Reading OpenType metadata The GroupDocs.Metadata API supports extracting format-specific information from OpenType font files. The following are the steps to read the header of an OpenType file. Load an OpenType font file Get the root metadata package Extract the native metadata package using the OpenTypeRootPackage....Metadata API supports extracting format-specific information...the root metadata package Extract the native metadata package...

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  8. Extraia imagens de documentos PDF em C# usando ...

    Aprenda a extrair imagens de arquivos PDF usando C# em seus aplicativos .NET. Extraia imagens de arquivos PDF ou de qualquer página específica usando a API .NET....WriteLine("Images extraction isn't supported"); return;...Console.WriteLine("Images extraction isn't supported"); return;...

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  9. Working with ZIP archives | Documentation

    Get ZIP format metadata The API allows detecting ZIP archives and reading format metadata. The following steps are needed to be followed: Load a ZIP archive Get the root metadata package Extract the native metadata package using ZipRootPackage.ZipPackage Read the ZIP archive properties Loop through ZipPackage.Files to extract information about archived files The following code snippet shows how to get metadata from a ZIP archive. AdvancedUsage.ManagingMetadataForSpecificFormats.Archive.ZipReadNativeMetadataProperties Encoding encoding = Encoding....the root metadata package Extract the native metadata package...properties Loop through to extract information about archived...

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  10. Parse PDF Forms in Java on GroupDocs Blog | Doc...

    Parse PDF Forms in Java on GroupDocs Blog | Document Automation Solutions for .NET & Java Developers Recent content in Parse PDF Forms in Java on GroupDocs Blog | Document Automation Solutions for ......Java d'analyse et d'extraction de données qui permet d'analyser...

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