PTAnnotationRefreshCustomAppearanceHandler


@interface PTAnnotationRefreshCustomAppearanceHandler
    : NSObject <PTAnnotationRefreshAppearanceHandler>

An abstract base class for annotation refresh appearance handlers that generate a custom PDF appearance for annotations.

-init
Initializes a PTAnnotationRefreshCustomAppearanceHandler instance.
Declaration
Objective-C

- (nonnull instancetype)init;
Swift

init()
Return Value

An initialized PTAnnotationRefreshCustomAppearanceHandler instance.

SubclassingHooks


                    
                    
                    -generateCustomAppearanceForAnnotation:withOptions:userInfo:

Generates a custom PDF appearance for the specified annotation.

Note

The default implementation of this method returns nil.

Declaration

Objective-C

- (nullable PTObj *)
    generateCustomAppearanceForAnnotation:(nonnull PTAnnot *)annotation
                              withOptions:
                                  (nullable PTRefreshOptions *)refreshOptions
                                 userInfo:
                                     (nullable NSDictionary<
                                         PTAnnotationRefreshAppearanceUserInfoKey,
                                         id> *)userInfo;

Swift

func generateCustomAppearance(forAnnotation annotation: PTAnnot, with refreshOptions: PTRefreshOptions?, userInfo: [PTAnnotationRefreshAppearanceUserInfoKey : Any]? = nil) -> PTObj?

Parameters

`annotation`	The PDF annotation for which to generate an appearance.
`refreshOptions`	The refresh options to use, or `nil`
`userInfo`	A dictionary containing additional information, or `nil`

Return Value

The generated custom PDF appearance for the annotation, or nil if an appearance could not be created.