The Rotation enum represents different rotation angles for a page in the GroupDocs.Viewer component. It provides a set of predefined rotation options that can be used to specify the rotation angle for rendering a page in various document viewing or conversion scenarios.
Example usage:
PdfViewOptions pdfViewOptions = new PdfViewOptions();
pdfViewOptions.rotatePage(1, Rotation.ON_90_DEGREE);
pdfViewOptions.rotatePage(2, Rotation.ON_180_DEGREE);
try (Viewer viewer = new Viewer("document.docx")) {
viewer.view(pdfViewOptions);
// Use the viewer object for further operations
}