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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 "fxbarcode/qrcode/BC_QRCoderVersion.h"
     24 
     25 #include <memory>
     26 #include <vector>
     27 
     28 #include "fxbarcode/common/BC_CommonBitMatrix.h"
     29 #include "fxbarcode/qrcode/BC_QRCoderBitVector.h"
     30 #include "fxbarcode/qrcode/BC_QRCoderECBlocksData.h"
     31 #include "fxbarcode/qrcode/BC_QRCoderErrorCorrectionLevel.h"
     32 #include "fxbarcode/utils.h"
     33 #include "third_party/base/ptr_util.h"
     34 
     35 namespace {
     36 
     37 std::vector<std::unique_ptr<CBC_QRCoderVersion>>* g_VERSION = nullptr;
     38 
     39 }  // namespace
     40 
     41 CBC_QRCoderVersion::CBC_QRCoderVersion(int32_t versionNumber,
     42                                        const CBC_QRCoderECBlockData data[4])
     43     : m_versionNumber(versionNumber) {
     44   m_ecBlocksArray[0] = pdfium::MakeUnique<CBC_QRCoderECBlocks>(data[0]);
     45   m_ecBlocksArray[1] = pdfium::MakeUnique<CBC_QRCoderECBlocks>(data[1]);
     46   m_ecBlocksArray[2] = pdfium::MakeUnique<CBC_QRCoderECBlocks>(data[2]);
     47   m_ecBlocksArray[3] = pdfium::MakeUnique<CBC_QRCoderECBlocks>(data[3]);
     48   m_totalCodeWords = m_ecBlocksArray[0]->GetTotalDataCodeWords();
     49 }
     50 
     51 CBC_QRCoderVersion::~CBC_QRCoderVersion() {
     52 }
     53 
     54 // static
     55 void CBC_QRCoderVersion::Initialize() {
     56   g_VERSION = new std::vector<std::unique_ptr<CBC_QRCoderVersion>>();
     57 }
     58 
     59 // static
     60 void CBC_QRCoderVersion::Finalize() {
     61   delete g_VERSION;
     62   g_VERSION = nullptr;
     63 }
     64 
     65 // static
     66 const CBC_QRCoderVersion* CBC_QRCoderVersion::GetVersionForNumber(
     67     int32_t versionNumber) {
     68   if (g_VERSION->empty()) {
     69     for (int i = 0; i < kMaxVersion; ++i) {
     70       g_VERSION->push_back(
     71           pdfium::MakeUnique<CBC_QRCoderVersion>(i + 1, g_ECBData[i]));
     72     }
     73   }
     74   if (versionNumber < 1 || versionNumber > kMaxVersion)
     75     return nullptr;
     76   return (*g_VERSION)[versionNumber - 1].get();
     77 }
     78 
     79 // static
     80 void CBC_QRCoderVersion::Destroy() {
     81   g_VERSION->clear();
     82 }
     83 
     84 int32_t CBC_QRCoderVersion::GetVersionNumber() const {
     85   return m_versionNumber;
     86 }
     87 
     88 int32_t CBC_QRCoderVersion::GetTotalCodeWords() const {
     89   return m_totalCodeWords;
     90 }
     91 
     92 int32_t CBC_QRCoderVersion::GetDimensionForVersion() const {
     93   return 17 + 4 * m_versionNumber;
     94 }
     95 
     96 const CBC_QRCoderECBlocks* CBC_QRCoderVersion::GetECBlocksForLevel(
     97     const CBC_QRCoderErrorCorrectionLevel& ecLevel) const {
     98   return m_ecBlocksArray[ecLevel.Ordinal()].get();
     99 }
    100