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Guides
Rotate pages

Rotating a PDF page in C++

To rotate a page in a PDF document.

PDFDoc doc(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::e_0:   rotation = Page::e_90;  break;
  case Page::e_90:  rotation = Page::e_180; break;
  case Page::e_180: rotation = Page::e_270; break;
  case Page::e_270: rotation = Page::e_0;   break;
  default:          rotation = Page::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.

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