QRMode.cpp Example File

 // -*- mode:c++; tab-width:2; indent-tabs-mode:nil; c-basic-offset:2 -*-
 /*
  *  Mode.cpp
  *  zxing
  *
  *  Created by Christian Brunschen on 19/05/2008.
  *  Copyright 2008 ZXing authors All rights reserved.
  *
  * 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/ZXing.h>
 #include <zxing/qrcode/decoder/Mode.h>
 #include <zxing/common/Counted.h>
 #include <zxing/ReaderException.h>
 #include <zxing/qrcode/Version.h>
 #include <sstream>

 using zxing::qrcode::Mode;
 using std::ostringstream;

 // VC++
 using zxing::qrcode::Version;

 Mode Mode::TERMINATOR(0, 0, 0, 0x00, "TERMINATOR");
 Mode Mode::NUMERIC(10, 12, 14, 0x01, "NUMERIC");
 Mode Mode::ALPHANUMERIC(9, 11, 13, 0x02, "ALPHANUMERIC");
 Mode Mode::STRUCTURED_APPEND(0, 0, 0, 0x03, "STRUCTURED_APPEND");
 Mode Mode::BYTE(8, 16, 16, 0x04, "BYTE");
 Mode Mode::ECI(0, 0, 0, 0x07, "ECI");
 Mode Mode::KANJI(8, 10, 12, 0x08, "KANJI");
 Mode Mode::FNC1_FIRST_POSITION(0, 0, 0, 0x05, "FNC1_FIRST_POSITION");
 Mode Mode::FNC1_SECOND_POSITION(0, 0, 0, 0x09, "FNC1_SECOND_POSITION");
 Mode Mode::HANZI(8, 10, 12, 0x0D, "HANZI");

 Mode::Mode() :
     characterCountBitsForVersions0To9_(0),
     characterCountBitsForVersions10To26_(0),
     characterCountBitsForVersions27AndHigher_(0),
     bits_(0),
     name_("")
 {}

 Mode::Mode(int cbv0_9, int cbv10_26, int cbv27, int bits, char const* name) :
     characterCountBitsForVersions0To9_(cbv0_9), characterCountBitsForVersions10To26_(cbv10_26),
     characterCountBitsForVersions27AndHigher_(cbv27), bits_(bits), name_(name)
 {
 }

 Mode::Mode(const zxing::qrcode::Mode &mode)
 {
     characterCountBitsForVersions0To9_ = mode.characterCountBitsForVersions0To9_;
     characterCountBitsForVersions10To26_ = mode.characterCountBitsForVersions10To26_;
     characterCountBitsForVersions27AndHigher_ = mode.characterCountBitsForVersions27AndHigher_;
     bits_ = mode.bits_;
     name_ = mode.name_;
 }

 Mode& Mode::forBits(int bits) {
     switch (bits) {
     case 0x0:
         return TERMINATOR;
     case 0x1:
         return NUMERIC;
     case 0x2:
         return ALPHANUMERIC;
     case 0x3:
         return STRUCTURED_APPEND;
     case 0x4:
         return BYTE;
     case 0x5:
         return FNC1_FIRST_POSITION;
     case 0x7:
         return ECI;
     case 0x8:
         return KANJI;
     case 0x9:
         return FNC1_SECOND_POSITION;
     case 0xD:
         // 0xD is defined in GBT 18284-2000, may not be supported in foreign country
         return HANZI;
     default:
         ostringstream s;
         s << "Illegal mode bits: " << bits;
         throw ReaderException(s.str().c_str());
     }
 }

 int Mode::getCharacterCountBits(const Version *version) const
 {
     int number = version->getVersionNumber();
     if (number <= 9) {
         return characterCountBitsForVersions0To9_;
     } else if (number <= 26) {
         return characterCountBitsForVersions10To26_;
     } else {
         return characterCountBitsForVersions27AndHigher_;
     }
 }

 bool Mode::operator==(const Mode& other)
 {
     return ( characterCountBitsForVersions0To9_ == other.characterCountBitsForVersions0To9_
             && characterCountBitsForVersions10To26_ == other.characterCountBitsForVersions10To26_
             && characterCountBitsForVersions27AndHigher_ == other.characterCountBitsForVersions27AndHigher_
             && name_ == other.name_
              && bits_ == other.bits_ );
 }

 bool Mode::operator!=(const zxing::qrcode::Mode &other)
 {
     return !(operator==(other));
 }