Module org.freedesktop.cairo

Package org.freedesktop.cairo

Interface RasterSourceCopyFunc

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 RasterSourceCopyFunc

RasterSourceCopyFunc is the type of function which is called when the pattern gets copied as a normal part of rendering.

Since:

1.12

Method Summary

Modifier and Type	Method	Description
Status	copy(RasterSource pattern, RasterSource other)	Called when the pattern gets copied as a normal part of rendering.
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, java.lang.foreign.MemorySegment).
default int	upcall(MemorySegment pattern, MemorySegment callbackData, MemorySegment other)	The callback that is executed by native code.

Method Details

copy

Status copy(RasterSource pattern,
 RasterSource other)

Called when the pattern gets copied as a normal part of rendering.

Parameters:

pattern - the pattern that was copied to

other - the pattern being used as the source for the copy

Returns:

Status.SUCCESS on success, or one of the Status error codes for failure.

Since:

1.12

upcall

default int upcall(MemorySegment pattern,
 MemorySegment callbackData,
 MemorySegment other)

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

Parameters:

pattern - the pattern being rendered from

callbackData - ignored

other - the pattern being used as the source for the copy

Returns:

Status.SUCCESS on success, or one of the Status error codes for failure.

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, 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