Zoom Operations

Zoom operations for a PDF View.

Topics

Zooming in a PDF View

- zoomIn:

Zooms in by increasing the scaling factor.

canZoomIn

Returns a Boolean value indicating whether the user can magnify the view and zoom in.

- zoomOut:

Zooms out by decreasing the scaling factor.

canZoomOut

Returns a Boolean value indicating whether the user can view an expanded area and zoom out.

See Also

Scaling the View

scaleFactor

The current scale factor for the view.

scaleFactorForSizeToFit

The "size to fit" scale factor that autoScales would use for scaling the current document and layout.

maxScaleFactor

The maximum scaling factor for the PDF document.

minScaleFactor

The minimum scaling factor for the PDF document.

autoScales

A Boolean value indicating whether autoscaling is set.

- rowSizeForPage:

Returns the size needed to display a row of the current document page.