PSPDFEraseOverlayDataSource
Objective-C
@protocol PSPDFEraseOverlayDataSource <NSObject>
Swift
protocol EraseOverlayDataSource : NSObjectProtocol
Specifies how the eraser overlay should look and behave.
-
The current zoom scale, for sharp rendering while zoomed in
Declaration
Objective-C
- (CGFloat)zoomScaleForEraseOverlay:(nonnull PSPDFEraseOverlay *)overlay;
Swift
func zoomScale(for overlay: EraseOverlay) -> CGFloat