ImageFormat

6 Feb 20261 minute to read

Public enum for PDF image format.

// Load an existing PDF document
let document: PdfDocument = new PdfDocument(data);
// Initialize a new instance of the `PdfDataExtractor` class
let extractor: PdfDataExtractor = new PdfDataExtractor(document);
// Extract collection of `PdfEmbeddedImage` from the PDF document.
let imageInfoCollection: PdfEmbeddedImage[] = extractor.extractImages({ startPageIndex: 0, endPageIndex: document.pageCount - 1});
Gets the image format.
let imageInfo: PdfEmbeddedImage = imageInfoCollection[0];
let imageFormat: ImageFormat = imageInfo.ImageFormat;
// Destroy the documents
document.destroy();

• jpeg - Gets the Joint Photographic Experts Group (JPEG) image format.
• png - Gets the W3C Portable Network Graphics (PNG) image format.
• unknown - Specifies the unknown image type.