Rotate pages

Apryse SDK allows you to rotate pages within a document.

Android

Rotating PDF pages in Android

You can rotate pages in a document using the UI component or programmatically with the Xamarin.Android API.

UI Component The rotate pages dialog allows you to rotate pages with a graphical interface in the document viewer.

API guide You can programmatically rotate pages in documents.

iOS

Rotating PDF pages in iOS

To rotate a page in a PDF document.

PDFDoc doc = new PDFDoc(filename);

// Rotate the first page 90 degrees clockwise.
Page page = doc.GetPage(1);
Page.Rotate originalRotation = page.GetRotation();
Page.Rotate rotation;
switch (originalRotation)
{
  case Page.Rotate.e_0:   rotation = Page.Rotate.e_90;  break;
  case Page.Rotate.e_90:  rotation = Page.Rotate.e_180; break;
  case Page.Rotate.e_180: rotation = Page.Rotate.e_270; break;
  case Page.Rotate.e_270: rotation = Page.Rotate.e_0;   break;
  default:                rotation = Page.Rotate.e_0;   break;
}
page.SetRotation(rotation);

About rotating pages

A page can be rotated clockwise, by 90 degrees, when displayed or printed. The Page.GetRotation() method returns the Page.Rotate enum specifying the current rotation. Similarly, Page.SetRotation() sets the current rotation.