/*
 * Copyright 2013 ZXing authors
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

#import "ZXLuminanceSource.h"

/**
 * A wrapper implementation of ZXLuminanceSource which inverts the luminances it returns -- black becomes
 * white and vice versa, and each value becomes (255-value).
 */
@interface ZXInvertedLuminanceSource : ZXLuminanceSource

- (id)initWithDelegate:(ZXLuminanceSource *)delegate;

@end