culturered_client/PhotoDisplay/qzxing/CameraImageWrapper.h

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2024-09-07 03:34:44 +00:00
/*
* Copyright 2011 QZXing 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.
*/
#ifndef CAMERAIMAGE_H
#define CAMERAIMAGE_H
#include <QImage>
#include <QString>
#include <zxing/zxing/common/GreyscaleLuminanceSource.h>
using namespace zxing;
class CameraImageWrapper : public LuminanceSource
{
public:
CameraImageWrapper();
CameraImageWrapper(const QImage& sourceImage);
CameraImageWrapper(CameraImageWrapper& otherInstance);
~CameraImageWrapper();
static QSharedPointer<CameraImageWrapper> Factory(const QImage& image, int maxWidth=-1, int maxHeight=-1, bool smoothTransformation=false);
QSharedPointer<std::vector<QSharedPointer<std::vector<zxing::byte>> > > getOriginalImage();
QSharedPointer<GreyscaleLuminanceSource> getDelegate() { return delegate; }
QSharedPointer<std::vector<zxing::byte>> getRow(int y, QSharedPointer<std::vector<zxing::byte>> row) const;
QSharedPointer<std::vector<zxing::byte>> getMatrix() const;
bool isCropSupported() const;
QSharedPointer<LuminanceSource> crop(int left, int top, int width, int height) const;
bool isRotateSupported() const;
QSharedPointer<LuminanceSource> invert() const;
QSharedPointer<LuminanceSource> rotateCounterClockwise() const;
inline zxing::byte gray(const unsigned int r, const unsigned int g, const unsigned int b);
private:
QSharedPointer<std::vector<zxing::byte>> getRowP(int y, QSharedPointer<std::vector<zxing::byte>> row) const;
QSharedPointer<std::vector<zxing::byte>> getMatrixP() const;
void updateImageAsGrayscale(const QImage &origin);
QSharedPointer<GreyscaleLuminanceSource> delegate;
QSharedPointer<std::vector<QSharedPointer<std::vector<zxing::byte>>>> imageBytesPerRow;
QSharedPointer<std::vector<zxing::byte>> imageBytes;
static const zxing::byte B_TO_GREYSCALE[256];
static const zxing::byte G_TO_GREYSCALE[256];
static const zxing::byte R_TO_GREYSCALE[256];
};
#endif //CAMERAIMAGE_H