org.lwjgl.stb.STBIWriteCallbackI Maven / Gradle / Ivy

Go to download
/*
 * Copyright LWJGL. All rights reserved.
 * License terms: https://www.lwjgl.org/license
 * MACHINE GENERATED FILE, DO NOT EDIT
 */
package org.lwjgl.stb;

import org.lwjgl.system.*;
import org.lwjgl.system.libffi.*;

import static org.lwjgl.system.APIUtil.*;
import static org.lwjgl.system.MemoryUtil.*;
import static org.lwjgl.system.libffi.LibFFI.*;

/**
 * Instances of this interface may be used with the {@link STBImageWrite} {@code write_type_to_func} functions.
 * 
 * Type
 * 
 * 
 * void (*{@link #invoke}) (
 *     void *context,
 *     void *data,
 *     int size
 * )
 */
@FunctionalInterface
@NativeType("stbi_write_func *")
public interface STBIWriteCallbackI extends CallbackI {

    FFICIF CIF = apiCreateCIF(
        FFI_DEFAULT_ABI,
        ffi_type_void,
        ffi_type_pointer, ffi_type_pointer, ffi_type_sint32
    );

    @Override
    default FFICIF getCallInterface() { return CIF; }

    @Override
    default void callback(long ret, long args) {
        invoke(
            memGetAddress(memGetAddress(args)),
            memGetAddress(memGetAddress(args + POINTER_SIZE)),
            memGetInt(memGetAddress(args + 2 * POINTER_SIZE))
        );
    }

    /**
     * The {@code stbi_write_func} callback.
     *
     * @param context the context passed to the write function
     * @param data    the data to write
     * @param size    the number of bytes in {@code data}
     */
    void invoke(@NativeType("void *") long context, @NativeType("void *") long data, int size);

}