Package org.gnome.gdkpixbuf

Interface PixbufModuleSaveCallbackFunc

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 PixbufModuleSaveCallbackFunc
extends FunctionPointer

Functional interface declaration of the PixbufModuleSaveCallbackFunc callback.

See Also:

• run(org.gnome.gdkpixbuf.Pixbuf, java.lang.String[], java.lang.String[])

Method Summary

Modifier and Type	Method	Description
boolean	run(Pixbuf pixbuf, @Nullable String[] optionKeys, @Nullable String[] optionValues)	Saves a GdkPixbuf by calling the provided function.
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, java.lang.foreign.MemorySegment, java.lang.foreign.MemorySegment, java.lang.foreign.MemorySegment) method.
default int	upcall(MemorySegment saveFunc, MemorySegment userData, MemorySegment pixbuf, MemorySegment optionKeys, MemorySegment optionValues, MemorySegment _gerrorPointer)	The upcall method is called from native code.

Method Details

run

boolean run(Pixbuf pixbuf,
 @Nullable
 @Nullable String[] optionKeys,
 @Nullable
 @Nullable String[] optionValues)
     throws GErrorException

Saves a GdkPixbuf by calling the provided function.

The optional option_keys and option_values arrays contain the keys and values (in the same order) for attributes to be saved alongside the image data.

Throws:

GErrorException

upcall

default int upcall(MemorySegment saveFunc,
 MemorySegment userData,
 MemorySegment pixbuf,
 MemorySegment optionKeys,
 MemorySegment optionValues,
 MemorySegment _gerrorPointer)

The upcall method is called from native code. The parameters are marshaled and run(org.gnome.gdkpixbuf.Pixbuf, java.lang.String[], java.lang.String[]) 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, java.lang.foreign.MemorySegment, java.lang.foreign.MemorySegment, 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