5 * Created by Ralf Kistner on 16/10/2009.
6 * Copyright 2008 ZXing authors All rights reserved.
8 * Licensed under the Apache License, Version 2.0 (the "License");
9 * you may not use this file except in compliance with the License.
10 * You may obtain a copy of the License at
12 * http://www.apache.org/licenses/LICENSE-2.0
14 * Unless required by applicable law or agreed to in writing, software
15 * distributed under the License is distributed on an "AS IS" BASIS,
16 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
17 * See the License for the specific language governing permissions and
18 * limitations under the License.
21 #ifndef LUMINANCESOURCE_H_
22 #define LUMINANCESOURCE_H_
24 #include <zxing/common/Counted.h>
29 class LuminanceSource : public Counted {
32 virtual ~LuminanceSource();
34 virtual int getWidth() const = 0;
35 virtual int getHeight() const = 0;
37 virtual unsigned char* getRow(int y, unsigned char* row) = 0;
38 virtual unsigned char* getMatrix();
40 virtual bool isCropSupported() const;
41 virtual Ref<LuminanceSource> crop(int left, int top, int width, int height);
43 virtual bool isRotateSupported() const;
44 virtual Ref<LuminanceSource> rotateCounterClockwise();
50 #endif /* LUMINANCESOURCE_H_ */