xref: /aosp_15_r20/external/pdfium/fxbarcode/qrcode/BC_QRCoderVersion.cpp (revision 3ac0a46f773bac49fa9476ec2b1cf3f8da5ec3a4)
1 // Copyright 2014 The PDFium Authors
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 
33 namespace {
34 
35 std::vector<std::unique_ptr<CBC_QRCoderVersion>>* g_VERSION = nullptr;
36 
37 }  // namespace
38 
CBC_QRCoderVersion(int32_t versionNumber,const CBC_QRCoderECBlockData data[4])39 CBC_QRCoderVersion::CBC_QRCoderVersion(int32_t versionNumber,
40                                        const CBC_QRCoderECBlockData data[4])
41     : m_versionNumber(versionNumber) {
42   m_ecBlocksArray[0] = std::make_unique<CBC_QRCoderECBlocks>(data[0]);
43   m_ecBlocksArray[1] = std::make_unique<CBC_QRCoderECBlocks>(data[1]);
44   m_ecBlocksArray[2] = std::make_unique<CBC_QRCoderECBlocks>(data[2]);
45   m_ecBlocksArray[3] = std::make_unique<CBC_QRCoderECBlocks>(data[3]);
46   m_totalCodeWords = m_ecBlocksArray[0]->GetTotalDataCodeWords();
47 }
48 
49 CBC_QRCoderVersion::~CBC_QRCoderVersion() = default;
50 
51 // static
Initialize()52 void CBC_QRCoderVersion::Initialize() {
53   g_VERSION = new std::vector<std::unique_ptr<CBC_QRCoderVersion>>();
54 }
55 
56 // static
Finalize()57 void CBC_QRCoderVersion::Finalize() {
58   delete g_VERSION;
59   g_VERSION = nullptr;
60 }
61 
62 // static
GetVersionForNumber(int32_t versionNumber)63 const CBC_QRCoderVersion* CBC_QRCoderVersion::GetVersionForNumber(
64     int32_t versionNumber) {
65   if (g_VERSION->empty()) {
66     for (int i = 0; i < kMaxVersion; ++i) {
67       g_VERSION->push_back(
68           std::make_unique<CBC_QRCoderVersion>(i + 1, fxbarcode::kECBData[i]));
69     }
70   }
71   if (versionNumber < 1 || versionNumber > kMaxVersion)
72     return nullptr;
73   return (*g_VERSION)[versionNumber - 1].get();
74 }
75 
GetVersionNumber() const76 int32_t CBC_QRCoderVersion::GetVersionNumber() const {
77   return m_versionNumber;
78 }
79 
GetTotalCodeWords() const80 int32_t CBC_QRCoderVersion::GetTotalCodeWords() const {
81   return m_totalCodeWords;
82 }
83 
GetDimensionForVersion() const84 int32_t CBC_QRCoderVersion::GetDimensionForVersion() const {
85   return 17 + 4 * m_versionNumber;
86 }
87 
GetECBlocksForLevel(const CBC_QRCoderErrorCorrectionLevel & ecLevel) const88 const CBC_QRCoderECBlocks* CBC_QRCoderVersion::GetECBlocksForLevel(
89     const CBC_QRCoderErrorCorrectionLevel& ecLevel) const {
90   return m_ecBlocksArray[ecLevel.Ordinal()].get();
91 }
92