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      1 // Copyright 2014 PDFium Authors. All rights reserved.
      2 // Use of this source code is governed by a BSD-style license that can be
      3 // found in the LICENSE file.
      4 
      5 // Original code copyright 2014 Foxit Software Inc. http://www.foxitsoftware.com
      6 // Original code is licensed as follows:
      7 /*
      8  * Copyright 2007 ZXing authors
      9  *
     10  * Licensed under the Apache License, Version 2.0 (the "License");
     11  * you may not use this file except in compliance with the License.
     12  * You may obtain a copy of the License at
     13  *
     14  *      http://www.apache.org/licenses/LICENSE-2.0
     15  *
     16  * Unless required by applicable law or agreed to in writing, software
     17  * distributed under the License is distributed on an "AS IS" BASIS,
     18  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
     19  * See the License for the specific language governing permissions and
     20  * limitations under the License.
     21  */
     22 
     23 #include "xfa/fxbarcode/qrcode/BC_QRCoderErrorCorrectionLevel.h"
     24 
     25 CBC_QRCoderErrorCorrectionLevel* CBC_QRCoderErrorCorrectionLevel::L = nullptr;
     26 CBC_QRCoderErrorCorrectionLevel* CBC_QRCoderErrorCorrectionLevel::M = nullptr;
     27 CBC_QRCoderErrorCorrectionLevel* CBC_QRCoderErrorCorrectionLevel::Q = nullptr;
     28 CBC_QRCoderErrorCorrectionLevel* CBC_QRCoderErrorCorrectionLevel::H = nullptr;
     29 
     30 CBC_QRCoderErrorCorrectionLevel::CBC_QRCoderErrorCorrectionLevel(
     31     int32_t ordinal,
     32     int32_t bits,
     33     const FX_CHAR* name)
     34     : m_ordinal(ordinal), m_bits(bits), m_name(name) {}
     35 
     36 CBC_QRCoderErrorCorrectionLevel::~CBC_QRCoderErrorCorrectionLevel() {}
     37 
     38 void CBC_QRCoderErrorCorrectionLevel::Initialize() {
     39   L = new CBC_QRCoderErrorCorrectionLevel(0, 0x01, "L");
     40   M = new CBC_QRCoderErrorCorrectionLevel(1, 0x00, "M");
     41   Q = new CBC_QRCoderErrorCorrectionLevel(2, 0x03, "Q");
     42   H = new CBC_QRCoderErrorCorrectionLevel(3, 0x02, "H");
     43 }
     44 
     45 void CBC_QRCoderErrorCorrectionLevel::Finalize() {
     46   delete L;
     47   delete M;
     48   delete Q;
     49   delete H;
     50 }
     51 
     52 CBC_QRCoderErrorCorrectionLevel* CBC_QRCoderErrorCorrectionLevel::ForBits(
     53     int32_t bits) {
     54   switch (bits) {
     55     case 0x00:
     56       return M;
     57     case 0x01:
     58       return L;
     59     case 0x02:
     60       return H;
     61     case 0x03:
     62       return Q;
     63     default:
     64       return nullptr;
     65   }
     66 }
     67 void CBC_QRCoderErrorCorrectionLevel::Destroy() {
     68   if (L) {
     69     delete CBC_QRCoderErrorCorrectionLevel::L;
     70     L = nullptr;
     71   }
     72   if (M) {
     73     delete CBC_QRCoderErrorCorrectionLevel::M;
     74     M = nullptr;
     75   }
     76   if (H) {
     77     delete CBC_QRCoderErrorCorrectionLevel::H;
     78     H = nullptr;
     79   }
     80   if (Q) {
     81     delete CBC_QRCoderErrorCorrectionLevel::Q;
     82     Q = nullptr;
     83   }
     84 }
     85