Package org.freedesktop.harfbuzz

Interface ReferenceTableFunc

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 ReferenceTableFunc
extends FunctionPointer

Functional interface declaration of the ReferenceTableFunc callback.

See Also:

• run(org.freedesktop.harfbuzz.Face, org.freedesktop.harfbuzz.Tag)

Method Summary

Modifier and Type	Method	Description
Blob	run(Face face, Tag tag)	Callback function for hb_face_create_for_tables().
default MemorySegment	toCallback(Arena arena)	Creates a native function pointer to the upcall(java.lang.foreign.MemorySegment, int, java.lang.foreign.MemorySegment) method.
default MemorySegment	upcall(MemorySegment face, int tag, MemorySegment userData)	The upcall method is called from native code.

Method Details

run

Blob run(Face face,
 Tag tag)

Callback function for hb_face_create_for_tables().

upcall

default MemorySegment upcall(MemorySegment face,
 int tag,
 MemorySegment userData)

The upcall method is called from native code. The parameters are marshaled and run(org.freedesktop.harfbuzz.Face, org.freedesktop.harfbuzz.Tag) is executed.

toCallback

default MemorySegment toCallback(Arena arena)

Creates a native function pointer to the upcall(java.lang.foreign.MemorySegment, int, 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