PageViewOverlay

```
public interface PageViewOverlay
```
An interface to allow developers to draw additional content on top of the PDFPageView. If QPDFViewerView#setPageViewOverlay() has been called with an instance of this interface, the instance's onDraw method will be called after each PDFPageView finishes drawing.

All Methods Instance Methods Abstract Methods
Modifier and Type	Method and Description
`void`	`onDraw(PDFPageView view, Canvas canvas)` Implement this method to draw custom content on top of the PDFPageView.

Interface PageViewOverlay