Load document of specific format Leave feedback
The constructors Watermarker(String) and Watermarker(InputStream) can load a document of any supported format. When you’re loading a document, GroupDocs.Watermark automatically detects its type and creates an instance of the appropriate class. If document format is not supported, constructor throws UnsupportedFileTypeException. If you need specify the format of a document to load, you can use constructors with LoadOptions parameter.
The following examle demonstrates how to create a watermarker for the Spreadsheet document:
advanced_usage.loading_documents.LoadingDocumentOfSpecificFormat
// Specify an absolute or relative path to your document. Ex: "C:\\Docs\\spreadsheet.xlsx"
String filePath = "spreadsheet.xlsx";
SpreadsheetLoadOptions loadOptions = new SpreadsheetLoadOptions();
Watermarker watermarker = new Watermarker(filePath, loadOptions);
// use watermarker methods to manage watermarks in the Spreadsheet document
TextWatermark watermark = new TextWatermark("Test watermark", new Font("Arial", 12));
watermarker.add(watermark);
watermarker.save("spreadsheet.xlsx");
watermarker.close();
Any supported format family has the specific LoadOptions descendant:
| Format | LoadOptions descendant |
|---|---|
| Diagram | DiagramLoadOptions |
| EmailLoadOptions | |
| Image | ImageLoadOptions |
| GifImage | GifImageLoadOptions |
| TiffImage | TiffImageLoadOptions |
| PdfLoadOptions | |
| Presentation | PresentationLoadOptions |
| Spreadsheet | SpreadsheetLoadOptions |
| WordProcessing | WordProcessingLoadOptions |
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