QRErrorCorrectionLevel.cpp Example File

 // -*- mode:c++; tab-width:2; indent-tabs-mode:nil; c-basic-offset:2 -*-
 /*
  *  ErrorCorrectionLevel.cpp
  *  zxing
  *
  *  Created by Christian Brunschen on 15/05/2008.
  *  Copyright 2008-2011 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/qrcode/ErrorCorrectionLevel.h>

 using std::string;

 namespace zxing {
 namespace qrcode {

 ErrorCorrectionLevel::ErrorCorrectionLevel(int inOrdinal,
                                            int bits,
                                            char const* name) :
     ordinal_(inOrdinal), bits_(bits), name_(name)
 {}

 ErrorCorrectionLevel::ErrorCorrectionLevel(const ErrorCorrectionLevel &other) :
     ordinal_(other.ordinal()), bits_(other.bits()), name_(other.name())
 {}

 int ErrorCorrectionLevel::ordinal() const {
   return ordinal_;
 }

 int ErrorCorrectionLevel::bits() const {
   return bits_;
 }

 string const& ErrorCorrectionLevel::name() const {
   return name_;
 }

 ErrorCorrectionLevel::operator string const& () const {
   return name_;
 }

 ErrorCorrectionLevel& ErrorCorrectionLevel::forBits(int bits) {
   if (bits < 0 || bits >= N_LEVELS) {
     throw ReaderException("Ellegal error correction level bits");
   }
   return *FOR_BITS[bits];
 }

   ErrorCorrectionLevel ErrorCorrectionLevel::L(0, 0x01, "L");
   ErrorCorrectionLevel ErrorCorrectionLevel::M(1, 0x00, "M");
   ErrorCorrectionLevel ErrorCorrectionLevel::Q(2, 0x03, "Q");
   ErrorCorrectionLevel ErrorCorrectionLevel::H(3, 0x02, "H");
 ErrorCorrectionLevel *ErrorCorrectionLevel::FOR_BITS[] = { &M, &L, &H, &Q };
 int ErrorCorrectionLevel::N_LEVELS = 4;

 }
 }