• Home
  • Line#
  • Scopes#
  • Navigate#
  • Raw
  • Download
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 
CBC_QRCoderVersion(int32_t versionNumber,const CBC_QRCoderECBlockData data[4])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 
~CBC_QRCoderVersion()51 CBC_QRCoderVersion::~CBC_QRCoderVersion() {
52 }
53 
54 // static
Initialize()55 void CBC_QRCoderVersion::Initialize() {
56   g_VERSION = new std::vector<std::unique_ptr<CBC_QRCoderVersion>>();
57 }
58 
59 // static
Finalize()60 void CBC_QRCoderVersion::Finalize() {
61   delete g_VERSION;
62   g_VERSION = nullptr;
63 }
64 
65 // static
GetVersionForNumber(int32_t versionNumber)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
Destroy()80 void CBC_QRCoderVersion::Destroy() {
81   g_VERSION->clear();
82 }
83 
GetVersionNumber() const84 int32_t CBC_QRCoderVersion::GetVersionNumber() const {
85   return m_versionNumber;
86 }
87 
GetTotalCodeWords() const88 int32_t CBC_QRCoderVersion::GetTotalCodeWords() const {
89   return m_totalCodeWords;
90 }
91 
GetDimensionForVersion() const92 int32_t CBC_QRCoderVersion::GetDimensionForVersion() const {
93   return 17 + 4 * m_versionNumber;
94 }
95 
GetECBlocksForLevel(const CBC_QRCoderErrorCorrectionLevel & ecLevel) const96 const CBC_QRCoderECBlocks* CBC_QRCoderVersion::GetECBlocksForLevel(
97     const CBC_QRCoderErrorCorrectionLevel& ecLevel) const {
98   return m_ecBlocksArray[ecLevel.Ordinal()].get();
99 }
100