Merge commit 'cd4070b1' as 'vendor/qr-code-zxing'

vendor/qr-code-zxing/.gitignore

+.DS_Store
+/.idea/
+/build/
+

vendor/qr-code-zxing/.travis.yml

+language: cpp
+script: mkdir build && cd build && cmake -G "Unix Makefiles" .. && make

vendor/qr-code-zxing/AUTHORS

+This project consists of contributions from several people, recognized here for convenience,
+in alphabetical order.
+
+Agustín Delgado (Servinform S.A.)
+Aitor Almeida (University of Deusto)
+Alasdair Mackintosh (Google)
+Alex Dupre
+Alexander Martin (Haase & Martin GmbH)
+Alexander Schmidt
+Anders Borg
+Andreas Pillath
+Andrew Walbran (Google)
+Andrey Sitnik
+Androida.hu / http://www.androida.hu/
+Antonio Manuel Benjumea (Servinform S.A.)
+Asier Iturralde
+Asmuri Anwar
+atereshchuk
+Betaminos
+Brian Brown (Google)
+Bruce Allen
+Chang Hyun Park
+Christian Brunschen (Google)
+Christoph Schulz (creatale GmbH)
+crowdin.net
+Daniel Switkin (Google)
+Dave MacLachlan (Google)
+David Phillip Oster (Google)
+David Albert (Bug Labs)
+David Olivier
+David Walker (Google)
+Diego Pierotto
+Dion Hardy
+drejc83
+Eduardo Castillejo (University of Deusto)
+Emanuele Aina
+Eric Kobrin (Velocitude)
+evansepdx
+Erik Barbara
+Francois B. (Google)
+Frank Yellin
+Fred Lin (Anobiit)
+gcstang
+Guenther Grau
+Guillaume Le Biller
+Hannes Erven
+Hartmut Neubauer (Schweers Informationstechnologie GmbH)
+hosigumayuugi
+hypest (Barcorama project)
+Ian W. Davis
+Isaac Potoczny-Jones
+Jacob Haynes (Google)
+Jeff Breidenbach (Google)
+Joan Montané (Softcatalà.cat)
+John Connolly (Bug Labs)
+Jonas Petersson (Prisjakt)
+Joseph Wain (Google)
+Juha Kuitunen
+Juho Mikkonen
+Jukka Nurmi
+jwicks
+Kamil Kaczmarczyk
+Kazuki Nishiura
+Kevin O'Sullivan (SITA)
+Kevin Xue (NetDragon Websoft Inc., China)
+Lachezar Dobrev
+Loránt Gerencsér
+Luiz Silva
+Luka Finžgar
+Łukasz Stefaniak
+Malte Starostik
+Manuel Kasten
+Marcelo
+Mateusz Jędrasik
+Matthew Schulkind (Google)
+Matt York (LifeMarks)
+mike32767
+mikej06
+Mohamad Fairol
+Morgan Courbet
+Nikolaos Ftylitakis
+Nikolaus Huber
+Olli
+Pablo Orduña (University of Deusto)
+Paul Hackenberger
+perennialmind
+Radu Silaghi
+Ralf Kistner
+Randy Shen (Acer)
+Rasmus Schrøder Sørensen
+Richard Hřivňák
+Romain Pechayre
+Roman Nurik (Google)
+Rustam Abdullaev
+Ryan Alford
+Sanford Squires
+Satoshi Kametaya
+Shachar Shemesh
+Sean Owen (Google)
+Shiyuan Guo / 郭世元
+ShumovichY
+Simon Flannery (Ericsson)
+Stephen Furlani
+Steven Parkes
+stoty74
+Suraj Supekar
+Sven Klinkhamer
+taku0
+techinstantdx
+Thomas Gerbet
+Tim Gernat
+v.anestis
+Vince Francis (LifeMarks)
+Wolfgang Jung
+Yakov Okshtein (Google)

vendor/qr-code-zxing/CMakeLists.txt

+cmake_minimum_required(VERSION 3.0)
+
+project(zxing)
+
+option(BUILD_TESTING "Enable generation of test targets" OFF)
+
+#set(CMAKE_LIBRARY_PATH /opt/local/lib ${CMAKE_LIBRARY_PATH})
+
+# Check for polluted source tree.
+# if(EXISTS ${CMAKE_SOURCE_DIR}/CMakeCache.txt OR
+#     EXISTS ${CMAKE_SOURCE_DIR}/CMakeFiles)
+#     message(FATAL_ERROR
+#         "Source directory is polluted:"
+#         "\n  * remove CMakeCache.txt"
+#         "\n  * remove CMakeFiles directory")
+# endif()
+
+# Suppress in-source builds.
+if(${CMAKE_SOURCE_DIR} STREQUAL ${CMAKE_BINARY_DIR})
+    message(FATAL_ERROR
+        "CMake generation is not allowed within the source directory:"
+        "\n  * mkdir build"
+        "\n  * cd build"
+        "\n  * Unix-like: cmake -G \"Unix Makefiles\" .."
+        "\n  * Windows: cmake -G \"Visual Studio 10\" ..")
+endif()
+
+# Adjust CMake's module path.
+list(APPEND CMAKE_MODULE_PATH ${CMAKE_SOURCE_DIR}/cmake/FindModules)
+
+# Suppress MSVC CRT warnings.
+if(MSVC)
+    add_definitions(-D_CRT_SECURE_NO_WARNINGS)
+    add_definitions(/Za)
+    add_definitions(/MP) # multi-core builds
+endif()
+
+include(source_files.cmake)
+
+if(WIN32)
+    include_directories(core/lib/win32)
+    set(CMAKE_DEBUG_POSTFIX -debug)
+else()
+    set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -std=c++11")
+endif()
+
+# OpenCV classes
+# find_package(OpenCV)
+# if(OpenCV_FOUND)
+#     list(APPEND LIBZXING_FILES
+#         opencv/src/zxing/MatSource.cpp
+#         opencv/src/zxing/MatSource.h
+#     )
+
+#     include_directories(${OpenCV_INCLUDE_DIRS})
+#     include_directories(opencv/src)
+# endif()
+
+include_directories(core/src)
+add_library(libzxing ${LIBZXING_FILES})
+set_target_properties(libzxing PROPERTIES PREFIX "")
+
+# find_package(Iconv)
+# if(ICONV_FOUND)
+#     include_directories(${ICONV_INCLUDE_DIR})
+#     target_link_libraries(libzxing ${ICONV_LIBRARIES})
+# else()
+add_definitions(-DNO_ICONV=1)
+# endif()
+
+# Add OpenCV cli executable
+# if(OpenCV_FOUND)
+#     file(GLOB_RECURSE OPENCV_ZXING_FILES
+#         "./opencv-cli/src/*.cpp"
+#         "./opencv-cli/src/*.h"
+#     )
+#     add_executable(zxing-cv ${OPENCV_ZXING_FILES})
+#     target_link_libraries(zxing-cv libzxing ${OpenCV_LIBRARIES})
+# endif()
+
+# Add cli executable.
+file(GLOB_RECURSE ZXING_FILES
+    "./cli/src/*.cpp"
+    "./cli/src/*.h"
+)
+
+link_directories(/usr/lib/)
+
+add_executable(zxing ${ZXING_FILES})
+target_link_libraries(zxing libzxing)
+
+install(TARGETS zxing libzxing EXPORT zxing-targets
+	LIBRARY DESTINATION lib
+	RUNTIME DESTINATION bin
+	ARCHIVE DESTINATION lib
+    INCLUDES DESTINATION include
+)
+
+install(EXPORT zxing-targets DESTINATION lib/zxing/cmake NAMESPACE zxing::)
+
+install(
+    DIRECTORY core/src/zxing/
+    DESTINATION include/zxing
+    FILES_MATCHING PATTERN "*.h"
+)
+
+# if(OpenCV_FOUND)
+#     install(
+#         DIRECTORY opencv/src/zxing/
+#         DESTINATION include/zxing
+#         FILES_MATCHING PATTERN "*.h"
+#     )
+# endif()
+
+configure_file(cmake/zxing-config.cmake.in zxing-config.cmake @ONLY)
+install(FILES ${CMAKE_BINARY_DIR}/zxing-config.cmake DESTINATION lib/zxing/cmake)
+
+# if(BUILD_TESTING)
+#     # Add testrunner executable.
+#     find_package(CPPUNIT)
+#     if(CPPUNIT_FOUND)
+#         file(GLOB_RECURSE TESTRUNNER_FILES
+#             "./core/tests/src/*.cpp"
+#             "./core/tests/src/*.h"
+#         )
+#         add_executable(testrunner ${TESTRUNNER_FILES})
+#         include_directories(${CPPUNIT_INCLUDE_DIR})
+#         target_link_libraries(testrunner libzxing  ${CPPUNIT_LIBRARIES})
+#     endif()
+# endif()

vendor/qr-code-zxing/NOTICE

+--------------------------------------------------------------------------------
+NOTICES FOR ISO C9x  compliant stdint.h for Microsoft Visual Studio
+--------------------------------------------------------------------------------
+
+Based on ISO/IEC 9899:TC2 Committee draft (May 6, 2005) WG14/N1124
+
+ Copyright (c) 2006-2008 Alexander Chemeris
+
+Redistribution and use in source and binary forms, with or without
+modification, are permitted provided that the following conditions are met:
+
+  1. Redistributions of source code must retain the above copyright notice,
+     this list of conditions and the following disclaimer.
+
+  2. Redistributions in binary form must reproduce the above copyright
+     notice, this list of conditions and the following disclaimer in the
+     documentation and/or other materials provided with the distribution.
+
+  3. The name of the author may be used to endorse or promote products
+     derived from this software without specific prior written permission.
+
+THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED
+WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
+MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO
+EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
+PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
+OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
+WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
+OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
+ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+--------------------------------------------------------------------------------
+NOTICES FOR LodePNG
+--------------------------------------------------------------------------------
+
+Copyright (c) 2005-2013 Lode Vandevenne
+
+This software is provided 'as-is', without any express or implied
+warranty. In no event will the authors be held liable for any damages
+arising from the use of this software.
+
+Permission is granted to anyone to use this software for any purpose,
+including commercial applications, and to alter it and redistribute it
+freely, subject to the following restrictions:
+
+    1. The origin of this software must not be misrepresented; you must not
+    claim that you wrote the original software. If you use this software
+    in a product, an acknowledgment in the product documentation would be
+    appreciated but is not required.
+
+    2. Altered source versions must be plainly marked as such, and must not be
+    misrepresented as being the original software.
+
+    3. This notice may not be removed or altered from any source
+    distribution.
+
+--------------------------------------------------------------------------------
+NOTICES FOR C++ Big Integer Library
+--------------------------------------------------------------------------------
+
+I, Matt McCutchen, the sole author of the original Big Integer
+Library, waive my copyright to it, placing it in the public domain.
+The library comes with absolutely no warranty.
+

vendor/qr-code-zxing/README.md

+# ZXing C++ Port
+
+[![Build Status](https://travis-ci.org/glassechidna/zxing-cpp.svg?branch=master)](https://travis-ci.org/glassechidna/zxing-cpp)
+
+[ZXing](https://github.com/zxing/zxing) is/was a Java library.
+
+At some point a complete C++ port/rewrite was created and maintained in the official [ZXing](https://github.com/zxing/zxing) repo. However, at the time of writing the C++ port is no longer maintained and has been removed from the official ZXing repo.
+
+This project was forked from the [last ZXing commit](https://github.com/zxing/zxing/commit/00f6340) to contain the C++ project, with the following exceptions
+
+ * scons (Python) build system has been deleted.
+ * Deleted black box tests, because they refer to a large test data in ZXing repo.
+ * Added appropriate copyright/licensing details (based on those in the ZXing repo).
+ * Updated README.md
+
+Removal of build systems was done to minimise maintenance burden.
+
+If tests and XCode projects (other than those produced automatically be CMake) are desired, then another repo should be created and this repo referenced as a submodule. 
+
+# Building using CMake
+
+CMake is a tool, that generates native makefiles and workspaces. It integrates well with a number of IDEs including Qt Creator and Visual Studio.
+
+Usage with CLion or Qt Creator:
+
+  1. Simply open `CMakeLists.txt` as a new project
+  2. Additional command line arguments can be specified (see below)
+
+Usage with Makefiles, Visual Studio, etc. (see `cmake --help` for a complete list of generators):
+
+  1. `mkdir build`
+  2. `cd` to `build`
+  3. Unix: run `cmake -G "Unix Makefiles" ..`
+  3. Windows: run `cmake -G "Visual Studio 10" ..`
+  
+You can switch between build modes by specifying:
+
+  - `-DCMAKE_BUILD_TYPE=Debug` or
+  - `-DCMAKE_BUILD_TYPE=Release`
+
+# OpenCV integration
+
+When build on a system where opencv is installed the open cv bridge classes and executable will be built too.
+
+# Development tips
+
+To profile the code (very useful to optimize the code):
+
+  1. Install Valgrind
+  2. Run `valgrind --tool=callgrind build/zxing - path/to/test/data/*.jpg > report.html`
+  3. Analyze output using KCachegrind

vendor/qr-code-zxing/cli/src/ImageReaderSource.cpp

+/*
+ *  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 "ImageReaderSource.h"
+#include <zxing/common/IllegalArgumentException.h>
+#include <iostream>
+#include <sstream>
+#include <cstdlib>
+#include <algorithm>
+#include "lodepng.h"
+#include "jpgd.h"
+
+using std::string;
+using std::ostringstream;
+using zxing::Ref;
+using zxing::ArrayRef;
+using zxing::LuminanceSource;
+
+inline char ImageReaderSource::convertPixel(char const* pixel_) const {
+  unsigned char const* pixel = (unsigned char const*)pixel_;
+  if (comps == 1 || comps == 2) {
+    // Gray or gray+alpha
+    return pixel[0];
+  } if (comps == 3 || comps == 4) {
+    // Red, Green, Blue, (Alpha)
+    // We assume 16 bit values here
+    // 0x200 = 1<<9, half an lsb of the result to force rounding
+    return (char)((306 * (int)pixel[0] + 601 * (int)pixel[1] +
+        117 * (int)pixel[2] + 0x200) >> 10);
+  } else {
+    throw zxing::IllegalArgumentException("Unexpected image depth");
+  }
+}
+
+ImageReaderSource::ImageReaderSource(ArrayRef<char> image_, int width, int height, int comps_)
+    : Super(width, height), image(image_), comps(comps_) {}
+
+Ref<LuminanceSource> ImageReaderSource::create(string const& filename) {
+  string extension = filename.substr(filename.find_last_of(".") + 1);
+  std::transform(extension.begin(), extension.end(), extension.begin(), ::tolower);
+  int width, height;
+  int comps = 0;
+  zxing::ArrayRef<char> image;
+  if (extension == "png") {
+    std::vector<unsigned char> out;
+
+    { unsigned w, h;
+      unsigned error = lodepng::decode(out, w, h, filename);
+      if (error) {
+        ostringstream msg;
+        msg << "Error while loading '" << lodepng_error_text(error) << "'";
+        throw zxing::IllegalArgumentException(msg.str().c_str());
+      }
+      width = w;
+      height = h;
+    }
+
+    comps = 4;
+    image = zxing::ArrayRef<char>(4 * width * height);
+    memcpy(&image[0], &out[0], image->size());
+  } else if (extension == "jpg" || extension == "jpeg") {
+    char *buffer = reinterpret_cast<char*>(jpgd::decompress_jpeg_image_from_file(
+        filename.c_str(), &width, &height, &comps, 4));
+    image = zxing::ArrayRef<char>(buffer, 4 * width * height);
+    free(buffer);
+  }
+  if (!image) {
+    ostringstream msg;
+    msg << "Loading \"" << filename << "\" failed.";
+    throw zxing::IllegalArgumentException(msg.str().c_str());
+  }
+
+  return Ref<LuminanceSource>(new ImageReaderSource(image, width, height, comps));
+}
+
+zxing::ArrayRef<char> ImageReaderSource::getRow(int y, zxing::ArrayRef<char> row) const {
+  const char* pixelRow = &image[0] + y * getWidth() * 4;
+  if (!row) {
+    row = zxing::ArrayRef<char>(getWidth());
+  }
+  for (int x = 0; x < getWidth(); x++) {
+    row[x] = convertPixel(pixelRow + (x * 4));
+  }
+  return row;
+}
+
+/** This is a more efficient implementation. */
+zxing::ArrayRef<char> ImageReaderSource::getMatrix() const {
+  const char* p = &image[0];
+  zxing::ArrayRef<char> matrix(getWidth() * getHeight());
+  char* m = &matrix[0];
+  for (int y = 0; y < getHeight(); y++) {
+    for (int x = 0; x < getWidth(); x++) {
+      *m = convertPixel(p);
+      m++;
+      p += 4;
+    }
+  }
+  return matrix;
+}

vendor/qr-code-zxing/cli/src/ImageReaderSource.h

+// -*- 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 <zxing/LuminanceSource.h>
+
+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(std::string const& filename);
+
+  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;
+};
+
+#endif /* __IMAGE_READER_SOURCE_H_ */

vendor/qr-code-zxing/cli/src/main.cpp

+// -*- mode:c++; tab-width:2; indent-tabs-mode:nil; c-basic-offset:2 -*-
+/*
+ *  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 <iostream>
+#include <fstream>
+#include <string>
+#include "ImageReaderSource.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 namespace std;
+using namespace zxing;
+using namespace zxing::multi;
+using namespace zxing::qrcode;
+
+namespace {
+
+bool more = false;
+bool test_mode = false;
+bool try_harder = false;
+bool search_multi = false;
+bool use_hybrid = false;
+bool use_global = false;
+bool verbose = false;
+
+}
+
+vector<Ref<Result> > decode(Ref<BinaryBitmap> image, DecodeHints hints) {
+  Ref<Reader> reader(new MultiFormatReader);
+  return vector<Ref<Result> >(1, reader->decode(image, hints));
+}
+
+vector<Ref<Result> > decode_multi(Ref<BinaryBitmap> image, DecodeHints hints) {
+  MultiFormatReader delegate;
+  GenericMultipleBarcodeReader reader(delegate);
+  return reader.decodeMultiple(image, hints);
+}
+
+int read_image(Ref<LuminanceSource> source, bool hybrid, string expected) {
+  vector<Ref<Result> > results;
+  string cell_result;
+  int res = -1;
+
+  try {
+    Ref<Binarizer> binarizer;
+    if (hybrid) {
+      binarizer = new HybridBinarizer(source);
+    } else {
+      binarizer = new GlobalHistogramBinarizer(source);
+    }
+
+    // we use default hint as QR code
+    // but it can alse decode barcode
+    // DecodeHints hints(DecodeHints::QR_CODE_HINT);
+    DecodeHints hints(DecodeHints::DEFAULT_HINT);
+    hints.setTryHarder(try_harder);
+    Ref<BinaryBitmap> binary(new BinaryBitmap(binarizer));
+    if (search_multi) {
+      results = decode_multi(binary, hints);
+    } else {
+      results = decode(binary, hints);
+    }
+    res = 0;
+  } catch (const ReaderException& e) {
+    cell_result = "zxing::ReaderException: " + string(e.what());
+    res = -2;
+  } catch (const zxing::IllegalArgumentException& e) {
+    cell_result = "zxing::IllegalArgumentException: " + string(e.what());
+    res = -3;
+  } catch (const zxing::Exception& e) {
+    cell_result = "zxing::Exception: " + string(e.what());
+    res = -4;
+  } catch (const std::exception& e) {
+    cell_result = "std::exception: " + string(e.what());
+    res = -5;
+  }
+
+  if (test_mode && results.size() == 1) {
+    std::string result = results[0]->getText()->getText();
+    if (expected.empty()) {
+      cout << "  Expected text or binary data for image missing." << endl
+           << "  Detected: " << result << endl;
+      res = -6;
+    } else {
+      if (expected.compare(result) != 0) {
+        cout << "  Expected: " << expected << endl
+             << "  Detected: " << result << endl;
+        cell_result = "data did not match";
+        res = -6;
+      }
+    }
+  }
+
+  if (res != 0 && (verbose || (use_global ^ use_hybrid))) {
+    cout << (hybrid ? "Hybrid" : "Global")
+         << " binarizer failed: " << cell_result << endl;
+  } else if (!test_mode) {
+    if (verbose) {
+      cout << (hybrid ? "Hybrid" : "Global")
+           << " binarizer succeeded: " << endl;
+    }
+    for (size_t i = 0; i < results.size(); i++) {
+      if (more) {
+        cout << "  Format: "
+             << BarcodeFormat::barcodeFormatNames[results[i]->getBarcodeFormat()]
+             << endl;
+        for (int j = 0; j < results[i]->getResultPoints()->size(); j++) {
+          cout << "  Point[" << j <<  "]: "
+               << results[i]->getResultPoints()[j]->getX() << " "
+               << results[i]->getResultPoints()[j]->getY() << endl;
+        }
+      }
+      if (verbose) {
+        cout << "    ";
+      }
+      cout << results[i]->getText()->getText() << endl;
+    }
+  }
+
+  return res;
+}
+
+// this is for testing perpose
+string read_expected(string imagefilename) {
+  string textfilename = imagefilename;
+  string::size_type dotpos = textfilename.rfind(".");
+
+  textfilename.replace(dotpos + 1, textfilename.length() - dotpos - 1, "txt");
+  ifstream textfile(textfilename.c_str(), ios::binary);
+  textfilename.replace(dotpos + 1, textfilename.length() - dotpos - 1, "bin");
+  ifstream binfile(textfilename.c_str(), ios::binary);
+  ifstream *file = 0;
+  if (textfile.is_open()) {
+    file = &textfile;
+  } else if (binfile.is_open()) {
+    file = &binfile;
+  } else {
+    return std::string();
+  }
+  file->seekg(0, ios_base::end);
+  size_t size = size_t(file->tellg());
+  file->seekg(0, ios_base::beg);
+
+  if (size == 0) {
+    return std::string();
+  }
+
+  char* data = new char[size + 1];
+  file->read(data, size);
+  data[size] = '\0';
+  string expected(data);
+  delete[] data;
+
+  return expected;
+}
+
+int main(int argc, char** argv) {
+  if (argc <= 1) {
+    cout << "Usage: " << argv[0] << " [OPTION]... <IMAGE>..." << endl
+         << "Read barcodes from each IMAGE file." << endl
+         << endl
+         << "Options:" << endl
+         << "  (-h|--hybrid)             use the hybrid binarizer (default)" << endl
+         << "  (-g|--global)             use the global binarizer" << endl
+         << "  (-v|--verbose)            chattier results printing" << endl
+         << "  --more                    display more information about the barcode" << endl
+         << "  --test-mode               compare IMAGEs against text files" << endl
+         << "  --try-harder              spend more time to try to find a barcode" << endl
+         << "  --search-multi            search for more than one bar code" << endl
+         << endl
+         << "Example usage:" << endl
+         << "  zxing --test-mode *.jpg" << endl
+         << endl;
+    return 1;
+  }
+
+  int total = 0;
+  int gonly = 0;
+  int honly = 0;
+  int both = 0;
+  int neither = 0;
+
+  for (int i = 1; i < argc; i++) {
+    string filename = argv[i];
+    if (filename.compare("--verbose") == 0 ||
+        filename.compare("-v") == 0) {
+      verbose = true;
+      continue;
+    }
+    if (filename.compare("--hybrid") == 0 ||
+        filename.compare("-h") == 0) {
+      use_hybrid = true;
+      continue;
+    }
+    if (filename.compare("--global") == 0 ||
+        filename.compare("-g") == 0) {
+      use_global = true;
+      continue;
+    }
+    if (filename.compare("--more") == 0) {
+      more = true;
+      continue;
+    }
+    if (filename.compare("--test-mode") == 0) {
+      test_mode = true;
+      continue;
+    }
+    if (filename.compare("--try-harder") == 0) {
+      try_harder = true;
+      continue;
+    }
+    if (filename.compare("--search-multi") == 0){
+      search_multi = true;
+      continue;
+    }
+
+    if (filename.length() > 3 &&
+        (filename.substr(filename.length() - 3, 3).compare("txt") == 0 ||
+         filename.substr(filename.length() - 3, 3).compare("bin") == 0)) {
+      continue;
+    }
+
+    if (!use_global && !use_hybrid) {
+      use_global = use_hybrid = true;
+    }
+
+    if (test_mode) {
+      cerr << "Testing: " << filename << endl;
+    }
+
+    Ref<LuminanceSource> source;
+    try {
+      source = ImageReaderSource::create(filename);
+    } catch (const zxing::IllegalArgumentException &e) {
+      cerr << e.what() << " (ignoring)" << endl;
+      continue;
+    }
+
+    string expected = read_expected(filename);
+
+    int gresult = 1;
+    int hresult = 1;
+    if (use_hybrid) {
+      hresult = read_image(source, true, expected);
+    }
+    if (use_global && (verbose || hresult != 0)) {
+      gresult = read_image(source, false, expected);
+      if (!verbose && gresult != 0) {
+        cout << "decoding failed" << endl;
+      }
+    }
+    gresult = gresult == 0;
+    hresult = hresult == 0;
+    gonly += gresult && !hresult;
+    honly += hresult && !gresult;
+    both += gresult && hresult;
+    neither += !gresult && !hresult;
+    total = total + 1;
+  }
+
+  if (test_mode) {
+    cout << endl
+         << "Summary:" << endl
+         << " " << total << " images tested total," << endl
+         << " " << (honly + both)  << " passed hybrid, " << (gonly + both)
+         << " passed global, " << both << " pass both, " << endl
+         << " " << honly << " passed only hybrid, " << gonly
+         << " passed only global, " << neither << " pass neither." << endl;
+  }
+
+  return 0;
+}

vendor/qr-code-zxing/cmake/FindModules/FindCPPUNIT.cmake

+#
+# Find the CppUnit includes and library
+#
+# This module defines
+# CPPUNIT_INCLUDE_DIR, where to find tiff.h, etc.
+# CPPUNIT_LIBRARIES, the libraries to link against to use CppUnit.
+# CPPUNIT_FOUND, If false, do not try to use CppUnit.
+
+# also defined, but not for general use are
+# CPPUNIT_LIBRARY, where to find the CppUnit library.
+# CPPUNIT_DEBUG_LIBRARY, where to find the CppUnit library in debug
+# mode.
+
+SET(CPPUNIT_FOUND "NO")
+
+FIND_PATH(CPPUNIT_INCLUDE_DIR cppunit/TestCase.h /usr/local/include /usr/include)
+
+# With Win32, important to have both
+IF(WIN32)
+  FIND_LIBRARY(CPPUNIT_LIBRARY cppunit
+               ${CPPUNIT_INCLUDE_DIR}/../lib
+               /usr/local/lib
+               /usr/lib)
+  FIND_LIBRARY(CPPUNIT_DEBUG_LIBRARY cppunitd
+               ${CPPUNIT_INCLUDE_DIR}/../lib
+               /usr/local/lib
+               /usr/lib)
+ELSE(WIN32)
+  # On unix system, debug and release have the same name
+  FIND_LIBRARY(CPPUNIT_LIBRARY cppunit
+               ${CPPUNIT_INCLUDE_DIR}/../lib
+               /usr/local/lib
+               /usr/lib)
+  FIND_LIBRARY(CPPUNIT_DEBUG_LIBRARY cppunit
+               ${CPPUNIT_INCLUDE_DIR}/../lib
+               /usr/local/lib
+               /usr/lib)
+ENDIF(WIN32)
+
+IF(CPPUNIT_INCLUDE_DIR)
+  IF(CPPUNIT_LIBRARY)
+    SET(CPPUNIT_FOUND "YES")
+    SET(CPPUNIT_LIBRARIES ${CPPUNIT_LIBRARY} ${CMAKE_DL_LIBS})
+    SET(CPPUNIT_DEBUG_LIBRARIES ${CPPUNIT_DEBUG_LIBRARY} ${CMAKE_DL_LIBS})
+  ELSE (CPPUNIT_LIBRARY)
+    IF (CPPUNIT_FIND_REQUIRED)
+      MESSAGE(SEND_ERROR "Could not find library CppUnit.")
+    ENDIF (CPPUNIT_FIND_REQUIRED)
+  ENDIF(CPPUNIT_LIBRARY)
+ELSE(CPPUNIT_INCLUDE_DIR)
+  IF (CPPUNIT_FIND_REQUIRED)
+    MESSAGE(SEND_ERROR "Could not find library CppUnit.")
+  ENDIF(CPPUNIT_FIND_REQUIRED)
+ENDIF(CPPUNIT_INCLUDE_DIR)

vendor/qr-code-zxing/cmake/FindModules/FindIconv.cmake

+function(_iconv_find)
+  if(ICONV_ROOT)
+    list(APPEND iconv_roots ${ICONV_ROOT})
+  else()
+    if(NOT "$ENV{ICONV_ROOT}" STREQUAL "")
+      file(TO_CMAKE_PATH "$ENV{ICONV_ROOT}" NATIVE_PATH)
+      list(APPEND iconv_roots "${NATIVE_PATH}")
+      set(ICONV_ROOT "${NATIVE_PATH}"
+        CACHE PATH "Location of the Iconv installation" FORCE)
+    endif()
+  endif()
+
+  list(APPEND iconv_library_suffixes "lib")
+  list(APPEND iconv_include_suffixes "include")
+
+  find_path(ICONV_INCLUDE_DIR
+    NAMES "iconv.h"
+    HINTS ${iconv_roots}
+    PATH_SUFFIXES ${iconv_include_suffixes}
+    DOC "Iconv include directory")
+  set(ICONV_INCLUDE_DIR "${ICONV_INCLUDE_DIR}" PARENT_SCOPE)
+
+  find_library(ICONV_LIBRARIES
+    NAMES
+      iconv
+      libiconv
+      libiconv2
+    HINTS ${iconv_roots}
+    PATH_SUFFIXES ${iconv_library_suffixes}
+    DOC "Iconv library")
+  set(ICONV_LIBRARIES "${ICONV_LIBRARIES}" PARENT_SCOPE)
+
+  if(ICONV_INCLUDE_DIR AND NOT ICONV_LIBRARIES)
+    include(CheckFunctionExists)
+    check_function_exists(iconv HAVE_ICONV_IN_LIBC)
+    if(HAVE_ICONV_IN_LIBC)
+      set(HAVE_ICONV_IN_LIBC "${HAVE_ICONV_IN_LIBC}" PARENT_SCOPE)
+      set(ICONV_LIBRARIES "integrated in standard library" PARENT_SCOPE)
+    endif()
+  endif()
+
+  if(ICONV_INCLUDE_DIR AND ICONV_LIBRARIES)
+    set(ICONV_FOUND ON PARENT_SCOPE)
+  endif()
+endfunction()
+
+_iconv_find()
+
+if(ICONV_FOUND)
+  if(NOT ICONV_FIND_QUIETLY)
+    message(STATUS "Found iconv library: ${ICONV_LIBRARY}")
+  endif()
+
+  if(HAVE_ICONV_IN_LIBC)
+    set(_lib_type INTERFACE)
+  else()
+    set(_lib_type UNKNOWN)
+  endif()
+
+  add_library(Iconv::Iconv ${_lib_type} IMPORTED)
+  set_target_properties(Iconv::Iconv PROPERTIES
+    INTERFACE_INCLUDE_DIRECTORIES "${ICONV_INCLUDE_DIR}")
+
+  if(NOT HAVE_ICONV_IN_LIBC)
+    set_target_properties(Iconv::Iconv PROPERTIES
+      IMPORTED_LOCATION "${ICONV_LIBRARIES}")
+  endif()
+
+  unset(_lib_type)
+else()
+  if(ICONV_FIND_REQUIRED)
+    message(FATAL_ERROR "Could NOT find iconv library")
+  endif()
+endif()
+
+mark_as_advanced(ICONV_LIBRARIES ICONV_INCLUDE_DIR)

vendor/qr-code-zxing/cmake/zxing-config.cmake.in

+include(${CMAKE_CURRENT_LIST_DIR}/zxing-targets.cmake)

vendor/qr-code-zxing/core/src/bigint/.gitignore

+*.o
+sample
+testsuite
+testsuite.expected
+testsuite.out
+testsuite.err

vendor/qr-code-zxing/core/src/bigint/BigInteger.hh

+#ifndef BIGINTEGER_H
+#define BIGINTEGER_H
+
+#include "BigUnsigned.hh"
+
+/* A BigInteger object represents a signed integer of size limited only by
+ * available memory.  BigUnsigneds support most mathematical operators and can
+ * be converted to and from most primitive integer types.
+ *
+ * A BigInteger is just an aggregate of a BigUnsigned and a sign.  (It is no
+ * longer derived from BigUnsigned because that led to harmful implicit
+ * conversions.) */
+class BigInteger {
+
+public:
+	typedef BigUnsigned::Blk Blk;
+	typedef BigUnsigned::Index Index;
+	typedef BigUnsigned::CmpRes CmpRes;
+	static const CmpRes
+		less    = BigUnsigned::less   ,
+		equal   = BigUnsigned::equal  ,
+		greater = BigUnsigned::greater;
+	// Enumeration for the sign of a BigInteger.
+	enum Sign { negative = -1, zero = 0, positive = 1 };
+
+protected:
+	Sign sign;
+	BigUnsigned mag;
+
+public:
+	// Constructs zero.
+	BigInteger() : sign(zero), mag() {}
+
+	// Copy constructor
+	BigInteger(const BigInteger &x) : sign(x.sign), mag(x.mag) {};
+
+	// Assignment operator
+	void operator=(const BigInteger &x);
+
+	// Constructor that copies from a given array of blocks with a sign.
+	BigInteger(const Blk *b, Index blen, Sign s);
+
+	// Nonnegative constructor that copies from a given array of blocks.
+	BigInteger(const Blk *b, Index blen) : mag(b, blen) {
+		sign = mag.isZero() ? zero : positive;
+	}
+
+	// Constructor from a BigUnsigned and a sign
+	BigInteger(const BigUnsigned &x, Sign s);
+
+	// Nonnegative constructor from a BigUnsigned
+	BigInteger(const BigUnsigned &x) : mag(x) {
+		sign = mag.isZero() ? zero : positive;
+	}
+
+	// Constructors from primitive integer types
+	BigInteger(unsigned long  x);
+	BigInteger(         long  x);
+	BigInteger(unsigned int   x);
+	BigInteger(         int   x);
+	BigInteger(unsigned short x);
+	BigInteger(         short x);
+
+	/* Converters to primitive integer types
+	 * The implicit conversion operators caused trouble, so these are now
+	 * named. */
+	unsigned long  toUnsignedLong () const;
+	long           toLong         () const;
+	unsigned int   toUnsignedInt  () const;
+	int            toInt          () const;
+	unsigned short toUnsignedShort() const;
+	short          toShort        () const;
+protected:
+	// Helper
+	template <class X> X convertToUnsignedPrimitive() const;
+	template <class X, class UX> X convertToSignedPrimitive() const;
+public:
+
+	// ACCESSORS
+	Sign getSign() const { return sign; }
+	/* The client can't do any harm by holding a read-only reference to the
+	 * magnitude. */
+	const BigUnsigned &getMagnitude() const { return mag; }
+
+	// Some accessors that go through to the magnitude
+	Index getLength() const { return mag.getLength(); }
+	Index getCapacity() const { return mag.getCapacity(); }
+	Blk getBlock(Index i) const { return mag.getBlock(i); }
+	bool isZero() const { return sign == zero; } // A bit special
+
+	// COMPARISONS
+
+	// Compares this to x like Perl's <=>
+	CmpRes compareTo(const BigInteger &x) const;
+
+	// Ordinary comparison operators
+	bool operator ==(const BigInteger &x) const {
+		return sign == x.sign && mag == x.mag;
+	}
+	bool operator !=(const BigInteger &x) const { return !operator ==(x); };
+	bool operator < (const BigInteger &x) const { return compareTo(x) == less   ; }
+	bool operator <=(const BigInteger &x) const { return compareTo(x) != greater; }
+	bool operator >=(const BigInteger &x) const { return compareTo(x) != less   ; }
+	bool operator > (const BigInteger &x) const { return compareTo(x) == greater; }
+
+	// OPERATORS -- See the discussion in BigUnsigned.hh.
+	void add     (const BigInteger &a, const BigInteger &b);
+	void subtract(const BigInteger &a, const BigInteger &b);
+	void multiply(const BigInteger &a, const BigInteger &b);
+	/* See the comment on BigUnsigned::divideWithRemainder.  Semantics
+	 * differ from those of primitive integers when negatives and/or zeros
+	 * are involved. */
+	void divideWithRemainder(const BigInteger &b, BigInteger &q);
+	void negate(const BigInteger &a);
+	
+	/* Bitwise operators are not provided for BigIntegers.  Use
+	 * getMagnitude to get the magnitude and operate on that instead. */
+
+	BigInteger operator +(const BigInteger &x) const;
+	BigInteger operator -(const BigInteger &x) const;
+	BigInteger operator *(const BigInteger &x) const;
+	BigInteger operator /(const BigInteger &x) const;
+	BigInteger operator %(const BigInteger &x) const;
+	BigInteger operator -() const;
+
+	void operator +=(const BigInteger &x);
+	void operator -=(const BigInteger &x);
+	void operator *=(const BigInteger &x);
+	void operator /=(const BigInteger &x);
+	void operator %=(const BigInteger &x);
+	void flipSign();
+
+	// INCREMENT/DECREMENT OPERATORS
+	void operator ++(   );
+	void operator ++(int);
+	void operator --(   );
+	void operator --(int);
+};
+
+// NORMAL OPERATORS
+/* These create an object to hold the result and invoke
+ * the appropriate put-here operation on it, passing
+ * this and x.  The new object is then returned. */
+inline BigInteger BigInteger::operator +(const BigInteger &x) const {
+	BigInteger ans;
+	ans.add(*this, x);
+	return ans;
+}
+inline BigInteger BigInteger::operator -(const BigInteger &x) const {
+	BigInteger ans;
+	ans.subtract(*this, x);
+	return ans;
+}
+inline BigInteger BigInteger::operator *(const BigInteger &x) const {
+	BigInteger ans;
+	ans.multiply(*this, x);
+	return ans;
+}
+inline BigInteger BigInteger::operator /(const BigInteger &x) const {
+	if (x.isZero()) throw "BigInteger::operator /: division by zero";
+	BigInteger q, r;
+	r = *this;
+	r.divideWithRemainder(x, q);
+	return q;
+}
+inline BigInteger BigInteger::operator %(const BigInteger &x) const {
+	if (x.isZero()) throw "BigInteger::operator %: division by zero";
+	BigInteger q, r;
+	r = *this;
+	r.divideWithRemainder(x, q);
+	return r;
+}
+inline BigInteger BigInteger::operator -() const {
+	BigInteger ans;
+	ans.negate(*this);
+	return ans;
+}
+
+/*
+ * ASSIGNMENT OPERATORS
+ * 
+ * Now the responsibility for making a temporary copy if necessary
+ * belongs to the put-here operations.  See Assignment Operators in
+ * BigUnsigned.hh.
+ */
+inline void BigInteger::operator +=(const BigInteger &x) {
+	add(*this, x);
+}
+inline void BigInteger::operator -=(const BigInteger &x) {
+	subtract(*this, x);
+}
+inline void BigInteger::operator *=(const BigInteger &x) {
+	multiply(*this, x);
+}
+inline void BigInteger::operator /=(const BigInteger &x) {
+	if (x.isZero()) throw "BigInteger::operator /=: division by zero";
+	/* The following technique is slightly faster than copying *this first
+	 * when x is large. */
+	BigInteger q;
+	divideWithRemainder(x, q);
+	// *this contains the remainder, but we overwrite it with the quotient.
+	*this = q;
+}
+inline void BigInteger::operator %=(const BigInteger &x) {
+	if (x.isZero()) throw "BigInteger::operator %=: division by zero";
+	BigInteger q;
+	// Mods *this by x.  Don't care about quotient left in q.
+	divideWithRemainder(x, q);
+}
+// This one is trivial
+inline void BigInteger::flipSign() {
+	sign = Sign(-sign);
+}
+
+#endif

vendor/qr-code-zxing/core/src/bigint/BigIntegerAlgorithms.cc

+#include "BigIntegerAlgorithms.hh"
+
+BigUnsigned gcd(BigUnsigned a, BigUnsigned b) {
+	BigUnsigned trash;
+	// Neat in-place alternating technique.
+	for (;;) {
+		if (b.isZero())
+			return a;
+		a.divideWithRemainder(b, trash);
+		if (a.isZero())
+			return b;
+		b.divideWithRemainder(a, trash);
+	}
+}
+
+void extendedEuclidean(BigInteger m, BigInteger n,
+		BigInteger &g, BigInteger &r, BigInteger &s) {
+	if (&g == &r || &g == &s || &r == &s)
+		throw "BigInteger extendedEuclidean: Outputs are aliased";
+	BigInteger r1(1), s1(0), r2(0), s2(1), q;
+	/* Invariants:
+	 * r1*m(orig) + s1*n(orig) == m(current)
+	 * r2*m(orig) + s2*n(orig) == n(current) */
+	for (;;) {
+		if (n.isZero()) {
+			r = r1; s = s1; g = m;
+			return;
+		}
+		// Subtract q times the second invariant from the first invariant.
+		m.divideWithRemainder(n, q);
+		r1 -= q*r2; s1 -= q*s2;
+
+		if (m.isZero()) {
+			r = r2; s = s2; g = n;
+			return;
+		}
+		// Subtract q times the first invariant from the second invariant.
+		n.divideWithRemainder(m, q);
+		r2 -= q*r1; s2 -= q*s1;
+	}
+}
+
+BigUnsigned modinv(const BigInteger &x, const BigUnsigned &n) {
+	BigInteger g, r, s;
+	extendedEuclidean(x, n, g, r, s);
+	if (g == 1)
+		// r*x + s*n == 1, so r*x === 1 (mod n), so r is the answer.
+		return (r % n).getMagnitude(); // (r % n) will be nonnegative
+	else
+		throw "BigInteger modinv: x and n have a common factor";
+}
+
+BigUnsigned modexp(const BigInteger &base, const BigUnsigned &exponent,
+		const BigUnsigned &modulus) {
+	BigUnsigned ans = 1, base2 = (base % modulus).getMagnitude();
+	BigUnsigned::Index i = exponent.bitLength();
+	// For each bit of the exponent, most to least significant...
+	while (i > 0) {
+		i--;
+		// Square.
+		ans *= ans;
+		ans %= modulus;
+		// And multiply if the bit is a 1.
+		if (exponent.getBit(i)) {
+			ans *= base2;
+			ans %= modulus;
+		}
+	}
+	return ans;
+}

vendor/qr-code-zxing/core/src/bigint/BigIntegerAlgorithms.hh

+#ifndef BIGINTEGERALGORITHMS_H
+#define BIGINTEGERALGORITHMS_H
+
+#include "BigInteger.hh"
+
+/* Some mathematical algorithms for big integers.
+ * This code is new and, as such, experimental. */
+
+// Returns the greatest common divisor of a and b.
+BigUnsigned gcd(BigUnsigned a, BigUnsigned b);
+
+/* Extended Euclidean algorithm.
+ * Given m and n, finds gcd g and numbers r, s such that r*m + s*n == g. */
+void extendedEuclidean(BigInteger m, BigInteger n,
+		BigInteger &g, BigInteger &r, BigInteger &s);
+
+/* Returns the multiplicative inverse of x modulo n, or throws an exception if
+ * they have a common factor. */
+BigUnsigned modinv(const BigInteger &x, const BigUnsigned &n);
+
+// Returns (base ^ exponent) % modulus.
+BigUnsigned modexp(const BigInteger &base, const BigUnsigned &exponent,
+		const BigUnsigned &modulus);
+
+#endif

vendor/qr-code-zxing/core/src/bigint/BigIntegerLibrary.hh

+// This header file includes all of the library header files.
+
+#include "NumberlikeArray.hh"
+#include "BigUnsigned.hh"
+#include "BigInteger.hh"
+#include "BigIntegerAlgorithms.hh"
+#include "BigUnsignedInABase.hh"
+#include "BigIntegerUtils.hh"

vendor/qr-code-zxing/core/src/win32/zxing/iconv.h

+#ifndef _LIBICONV_H
+#define _LIBICONV_H
+#include <stddef.h>
+#ifdef __cplusplus
+extern "C" {
+#endif
+typedef void* iconv_t;
+iconv_t iconv_open(const char *tocode, const char *fromcode);
+int iconv_close(iconv_t cd);
+size_t iconv(iconv_t cd, char **inbuf, size_t *inbytesleft, char **outbuf, size_t *outbytesleft);
+#ifdef __cplusplus
+}
+#endif
+#endif//_LIBICONV_H
\ No newline at end of file