Package org.gnome.gdkpixbuf

Interface PixbufLoader.AreaPreparedCallback

All Superinterfaces:

FunctionPointer

Enclosing class:

PixbufLoader

Functional Interface:

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

@FunctionalInterface
public static interface PixbufLoader.AreaPreparedCallback
extends FunctionPointer

Functional interface declaration of the AreaPreparedCallback callback.

See Also:

• run()

Method Summary

Modifier and Type	Method	Description
void	run()	This signal is emitted when the pixbuf loader has allocated the pixbuf in the desired size.
default MemorySegment	toCallback(Arena arena)	Creates a native function pointer to the upcall(java.lang.foreign.MemorySegment) method.
default void	upcall(MemorySegment sourcePixbufLoader)	The upcall method is called from native code.

Method Details

run

void run()

This signal is emitted when the pixbuf loader has allocated the pixbuf in the desired size.

After this signal is emitted, applications can call gdk_pixbuf_loader_get_pixbuf() to fetch the partially-loaded pixbuf.

upcall

default void upcall(MemorySegment sourcePixbufLoader)

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