1 #ifndef __LUMINANCESOURCE_H__
2 #define __LUMINANCESOURCE_H__
7 * Copyright 2010 ZXing authors All rights reserved.
9 * Licensed under the Apache License, Version 2.0 (the "License");
10 * you may not use this file except in compliance with the License.
11 * You may obtain a copy of the License at
13 * http://www.apache.org/licenses/LICENSE-2.0
15 * Unless required by applicable law or agreed to in writing, software
16 * distributed under the License is distributed on an "AS IS" BASIS,
17 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
18 * See the License for the specific language governing permissions and
19 * limitations under the License.
22 #include <zxing/common/Counted.h>
27 class LuminanceSource : public Counted {
30 virtual ~LuminanceSource();
32 virtual int getWidth() const = 0;
33 virtual int getHeight() const = 0;
35 // Callers take ownership of the returned memory and must call delete [] on it themselves.
36 virtual unsigned char* getRow(int y, unsigned char* row) = 0;
37 virtual unsigned char* getMatrix() = 0;
39 virtual bool isCropSupported() const;
40 virtual Ref<LuminanceSource> crop(int left, int top, int width, int height);
42 virtual bool isRotateSupported() const;
43 virtual Ref<LuminanceSource> rotateCounterClockwise();
49 #endif /* LUMINANCESOURCE_H_ */