Module org.freedesktop.cairo

Package org.freedesktop.cairo

Interface RasterSourceFinishFunc

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 interface RasterSourceFinishFunc

RasterSourceFinishFunc is the type of function which is called when the pattern (or a copy thereof) is no longer required.

Since:

1.12

Method Summary

Modifier and Type	Method	Description
void	finish(RasterSource pattern)	Called when the pattern (or a copy thereof) is no longer required.
default MemorySegment	toCallback(Arena arena)	Generates an upcall stub, a C function pointer that will call upcall(java.lang.foreign.MemorySegment, java.lang.foreign.MemorySegment).
default void	upcall(MemorySegment pattern, MemorySegment callbackData)	The callback that is executed by native code.

Method Details

finish

void finish(RasterSource pattern)

Called when the pattern (or a copy thereof) is no longer required.

Parameters:

pattern - the pattern being rendered from

Since:

1.12

upcall

default void upcall(MemorySegment pattern,
 MemorySegment callbackData)

The callback that is executed by native code. This method marshals the parameters and calls finish(RasterSource).

Parameters:

pattern - the pattern being rendered from

callbackData - ignored

Since:

1.12

toCallback

default MemorySegment toCallback(Arena arena)

Generates an upcall stub, a C function pointer that will call upcall(java.lang.foreign.MemorySegment, java.lang.foreign.MemorySegment).

Parameters:

arena - the arena in which the upcall stub will be allocated

Returns:

the function pointer of the upcall stub

Since:

1.12