Package org.gnome.pango

Interface AttrDataCopyFunc

All Superinterfaces:

FunctionPointer

Functional Interface:

This is a functional interface and can therefore be used as the assignment target for a lambda expression or method reference.

@FunctionalInterface
@Generated("io.github.jwharm.JavaGI")
public interface AttrDataCopyFunc
extends FunctionPointer

Functional interface declaration of the AttrDataCopyFunc callback.

See Also:

• run()

Method Summary

Modifier and Type	Method	Description
MemorySegment	run()	Type of a function that can duplicate user data for an attribute.
default MemorySegment	toCallback(Arena arena)	Creates a native function pointer to the upcall(java.lang.foreign.MemorySegment) method.
default MemorySegment	upcall(MemorySegment userData)	The upcall method is called from native code.

Method Details

run

MemorySegment run()

Type of a function that can duplicate user data for an attribute.

upcall

default MemorySegment upcall(MemorySegment userData)

The upcall method is called from native code. The parameters are marshaled and run() is executed.

toCallback

default MemorySegment toCallback(Arena arena)

Creates a native function pointer to the upcall(java.lang.foreign.MemorySegment) method.

Specified by:

toCallback in interface FunctionPointer

Parameters:

arena - the function pointer will be allocated in this arena

Returns:

the native function pointer