xref: /aosp_15_r20/external/pdfium/fxbarcode/qrcode/BC_QRCoderBitVector.h (revision 3ac0a46f773bac49fa9476ec2b1cf3f8da5ec3a4)
1*3ac0a46fSAndroid Build Coastguard Worker // Copyright 2014 The PDFium Authors
2*3ac0a46fSAndroid Build Coastguard Worker // Use of this source code is governed by a BSD-style license that can be
3*3ac0a46fSAndroid Build Coastguard Worker // found in the LICENSE file.
4*3ac0a46fSAndroid Build Coastguard Worker 
5*3ac0a46fSAndroid Build Coastguard Worker // Original code copyright 2014 Foxit Software Inc. http://www.foxitsoftware.com
6*3ac0a46fSAndroid Build Coastguard Worker 
7*3ac0a46fSAndroid Build Coastguard Worker #ifndef FXBARCODE_QRCODE_BC_QRCODERBITVECTOR_H_
8*3ac0a46fSAndroid Build Coastguard Worker #define FXBARCODE_QRCODE_BC_QRCODERBITVECTOR_H_
9*3ac0a46fSAndroid Build Coastguard Worker 
10*3ac0a46fSAndroid Build Coastguard Worker #include <stddef.h>
11*3ac0a46fSAndroid Build Coastguard Worker #include <stdint.h>
12*3ac0a46fSAndroid Build Coastguard Worker 
13*3ac0a46fSAndroid Build Coastguard Worker #include "core/fxcrt/data_vector.h"
14*3ac0a46fSAndroid Build Coastguard Worker #include "third_party/base/containers/span.h"
15*3ac0a46fSAndroid Build Coastguard Worker 
16*3ac0a46fSAndroid Build Coastguard Worker class CBC_QRCoderBitVector {
17*3ac0a46fSAndroid Build Coastguard Worker  public:
18*3ac0a46fSAndroid Build Coastguard Worker   CBC_QRCoderBitVector();
19*3ac0a46fSAndroid Build Coastguard Worker   ~CBC_QRCoderBitVector();
20*3ac0a46fSAndroid Build Coastguard Worker 
21*3ac0a46fSAndroid Build Coastguard Worker   pdfium::span<const uint8_t> GetArray() const;
22*3ac0a46fSAndroid Build Coastguard Worker   int32_t At(size_t index) const;
23*3ac0a46fSAndroid Build Coastguard Worker   size_t Size() const;
24*3ac0a46fSAndroid Build Coastguard Worker   size_t sizeInBytes() const;
25*3ac0a46fSAndroid Build Coastguard Worker 
26*3ac0a46fSAndroid Build Coastguard Worker   void AppendBit(int32_t bit);
27*3ac0a46fSAndroid Build Coastguard Worker   void AppendBits(int32_t value, int32_t numBits);
28*3ac0a46fSAndroid Build Coastguard Worker   void AppendBitVector(const CBC_QRCoderBitVector* bits);
29*3ac0a46fSAndroid Build Coastguard Worker   bool XOR(const CBC_QRCoderBitVector* other);
30*3ac0a46fSAndroid Build Coastguard Worker 
31*3ac0a46fSAndroid Build Coastguard Worker  private:
32*3ac0a46fSAndroid Build Coastguard Worker   void AppendByte(int8_t value);
33*3ac0a46fSAndroid Build Coastguard Worker 
34*3ac0a46fSAndroid Build Coastguard Worker   size_t m_sizeInBits = 0;
35*3ac0a46fSAndroid Build Coastguard Worker   DataVector<uint8_t> m_array;
36*3ac0a46fSAndroid Build Coastguard Worker };
37*3ac0a46fSAndroid Build Coastguard Worker 
38*3ac0a46fSAndroid Build Coastguard Worker #endif  // FXBARCODE_QRCODE_BC_QRCODERBITVECTOR_H_
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