To extract a text from Microsoft Office PowerPoint presentations getText and getText(int) method is used. These methods allow to extract a text from the entire presentation or a text from the selected slide.
Here are the steps to extract a text from Microsoft Office PowerPoint presentations:
Instantiate Parser object for the initial presentation; Call getText method and obtain TextReader object; Read a text from reader. Warning getText method returns null value if text extraction isn’t supported for the document....Total Product Family GroupDocs.Viewer Product Solution GroupDocs...
In this article, you will learn how to convert an image file to text or PDF using OCR with GroupDocs.Conversion for Java....Total Product Family GroupDocs.Viewer Product Solution GroupDocs...
Why To Migrate? Here are the key reasons to use the new updated API provided by GroupDocs.Parser for Java since version 19.11:
Parser class is introduced as a single entry point to extract data from the document. Data extraction was unified for all data types. The overall document related classes were unified to common. Product architecture was redesigned from scratch in order to simplify passing options and classes to manipulate data....Total Product Family GroupDocs.Viewer Product Solution GroupDocs...
This article explains how to search for embedded electronic signatures with custom serialization in QR-code electronic signatures. This topic contains example of custom serialization, class definition and search for serialized objects in the QR-codes with GroupDocs.Signature....Total Product Family GroupDocs.Viewer Product Solution GroupDocs...
This article explains how to search for embedded electronic signatures with custom encryption in document metadata. This topic contains example of custom encryption, class definition and search for encrypted objects in the document metadata with GroupDocs.Signature....Total Product Family GroupDocs.Viewer Product Solution GroupDocs...
Learn this article and check how to load and convert Microsoft Excel and Open Document spreadsheets with advanced options using GroupDocs.Conversion for Java API....Total Product Family GroupDocs.Viewer Product Solution GroupDocs...
This article explains how to merge arbitrary pages from different documents into a single PDF, DOCX, Excel or PowerPoint document using GroupDocs.Merger for Java....Total Product Family GroupDocs.Viewer Product Solution GroupDocs...
This article shows how to access IPTC metadata in a file of any supported format....Total Product Family GroupDocs.Viewer Product Solution GroupDocs...
Following code snippet shows how to add text watermark to a document. If the document consists of multiple parts (pages, worksheets, slides, frames etc), the watermark will be added to all of them.
advanced_usage.adding_text_watermarks.AddTextWatermark
// Specify an absolute or relative path to your image. Ex: "C:\\Docs\\image.png" Watermarker watermarker = new Watermarker("image.png"); // Initialize the font to be used for watermark Font font = new Font("Arial", 19, FontStyle.Bold | FontStyle.Italic); // Create the watermark object TextWatermark watermark = new TextWatermark("Test watermark", font); // Set watermark properties watermark....Total Product Family GroupDocs.Viewer Product Solution GroupDocs...