Package org.gnome.pango

Interface FontsetForeachFunc

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 FontsetForeachFunc
extends FunctionPointer

Functional interface declaration of the FontsetForeachFunc callback.

See Also:

• run(org.gnome.pango.Fontset, org.gnome.pango.Font)

Method Summary

Modifier and Type	Method	Description
boolean	run(Fontset fontset, Font font)	Callback used when enumerating fonts in a fontset.
default MemorySegment	toCallback(Arena arena)	Creates a native function pointer to the upcall(java.lang.foreign.MemorySegment, java.lang.foreign.MemorySegment, java.lang.foreign.MemorySegment) method.
default int	upcall(MemorySegment fontset, MemorySegment font, MemorySegment userData)	The upcall method is called from native code.

Method Details

run

boolean run(Fontset fontset,
 Font font)

Callback used when enumerating fonts in a fontset.

See Fontset.foreach(org.gnome.pango.FontsetForeachFunc).

Since:

1.4

upcall

default int upcall(MemorySegment fontset,
 MemorySegment font,
 MemorySegment userData)

The upcall method is called from native code. The parameters are marshaled and run(org.gnome.pango.Fontset, org.gnome.pango.Font) is executed.

toCallback

default MemorySegment toCallback(Arena arena)

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

Specified by:

toCallback in interface FunctionPointer

Parameters:

arena - the arena in which the function pointer is allocated

Returns:

the native function pointer