doc: add QPdfDocumentRenderOptions::scaledClipRect and scaledSize

Amends 4f5f0705

.

Change-Id: I62563f5be367e8139dc4cdf12866c65f55a576b5
Reviewed-by: Shawn Rutledge <shawn.rutledge@qt.io>

src/pdf/qpdfdocumentrenderoptions.qdoc

@@ -86,6 +86,40 @@ QT_BEGIN_NAMESPACE
     \sa renderFlags()
 */
 
+/*!
+    \fn QRect QPdfDocumentRenderOptions::scaledClipRect() const
+
+    Returns the rectangular region to be clipped from the page after having
+    been scaled to \l scaledSize().
+
+    \sa setScaledClipRect()
+*/
+
+/*!
+    \fn void QPdfDocumentRenderOptions::setScaledClipRect(QRect rect)
+
+    Sets the region \a rect to be clipped from the page after having been
+    scaled to \l scaledSize().
+
+    \sa scaledClipRect()
+*/
+
+/*!
+    \fn QRect QPdfDocumentRenderOptions::scaledSize() const
+
+    Returns the \a size of the page to be rendered, in pixels.
+
+    \sa setScaledSize()
+*/
+
+/*!
+    \fn void QPdfDocumentRenderOptions::setScaledSize(QSize size)
+
+    Sets the \a size of the page to be rendered, in pixels.
+
+    \sa scaledSize()
+*/
+
 /*!
     \fn bool operator!=(QPdfDocumentRenderOptions lhs, QPdfDocumentRenderOptions rhs)
     \relates QPdfDocumentRenderOptions