This is the sample program that can see the decode result of barcode data on Watson IoT.

Dependencies:   AsciiFont DisplayApp GR-PEACH_video LCD_shield_config LWIPBP3595Interface_STA_for_mbed-os USBDevice

zxing_lib/ImageReaderSource.h

Committer:
Osamu Nakamura
Date:
2016-11-10
Revision:
1:67f8b5cfde75
Parent:
0:7d720671e6dc

File content as of revision 1:67f8b5cfde75:

// -*- mode:c++; tab-width:2; indent-tabs-mode:nil; c-basic-offset:2 -*-
#ifndef __IMAGE_READER_SOURCE_H_
#define __IMAGE_READER_SOURCE_H_
/*
 *  Copyright 2010-2011 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.
 */

#include "mbed.h"
#include <iostream>
#include <fstream>
#include <string>
#include <zxing/LuminanceSource.h>
#include <zxing/common/Counted.h>
#include <zxing/Binarizer.h>
#include <zxing/MultiFormatReader.h>
#include <zxing/Result.h>
#include <zxing/ReaderException.h>
#include <zxing/common/GlobalHistogramBinarizer.h>
#include <zxing/common/HybridBinarizer.h>
#include <exception>
#include <zxing/Exception.h>
#include <zxing/common/IllegalArgumentException.h>
#include <zxing/BinaryBitmap.h>
#include <zxing/DecodeHints.h>

#include <zxing/qrcode/QRCodeReader.h>
#include <zxing/multi/qrcode/QRCodeMultiReader.h>
#include <zxing/multi/ByQuadrantReader.h>
#include <zxing/multi/MultipleBarcodeReader.h>
#include <zxing/multi/GenericMultipleBarcodeReader.h>

using std::string;
using std::ostringstream;
using zxing::Ref;
using zxing::ArrayRef;
using zxing::LuminanceSource;

using namespace std;
using namespace zxing;
using namespace zxing::multi;
using namespace zxing::qrcode;


class ImageReaderSource : public zxing::LuminanceSource {
private:
  typedef LuminanceSource Super;

  const zxing::ArrayRef<char> image;
  const int comps;

  char convertPixel(const char* pixel) const;

public:
  static zxing::Ref<LuminanceSource> create(char* buf, int buf_size, int width, int height);

  ImageReaderSource(zxing::ArrayRef<char> image, int width, int height, int comps);

  zxing::ArrayRef<char> getRow(int y, zxing::ArrayRef<char> row) const;
  zxing::ArrayRef<char> getMatrix() const;
};

extern int ex_decode(uint8_t* buf, int buf_size, int width, int height, vector<Ref<Result> > * results);


#endif /* __IMAGE_READER_SOURCE_H_ */