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 2008 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 #include "fxbarcode/common/BC_CommonByteMatrix.h"
23
24 #include <algorithm>
25 #include <iterator>
26 #include <utility>
27
28 #include "core/fxcrt/data_vector.h"
29 #include "third_party/base/check_op.h"
30
CBC_CommonByteMatrix(size_t width,size_t height)31 CBC_CommonByteMatrix::CBC_CommonByteMatrix(size_t width, size_t height)
32 : m_width(width), m_height(height) {
33 static constexpr size_t kMaxBytes = 256 * 1024 * 1024; // 256 MB.
34 static constexpr uint8_t kDefaultFill = 0xff;
35 CHECK_LT(m_width, kMaxBytes / m_height);
36 m_bytes.resize(m_width * m_height, kDefaultFill);
37 }
38
39 CBC_CommonByteMatrix::~CBC_CommonByteMatrix() = default;
40
TakeArray()41 DataVector<uint8_t> CBC_CommonByteMatrix::TakeArray() {
42 return std::move(m_bytes);
43 }
44
Get(size_t x,size_t y) const45 uint8_t CBC_CommonByteMatrix::Get(size_t x, size_t y) const {
46 const size_t offset = y * m_width + x;
47 CHECK_LT(offset, m_bytes.size());
48 return m_bytes[offset];
49 }
50
Set(size_t x,size_t y,uint8_t value)51 void CBC_CommonByteMatrix::Set(size_t x, size_t y, uint8_t value) {
52 const size_t offset = y * m_width + x;
53 CHECK_LT(offset, m_bytes.size());
54 m_bytes[offset] = value;
55 }
56
Fill(uint8_t value)57 void CBC_CommonByteMatrix::Fill(uint8_t value) {
58 std::fill(std::begin(m_bytes), std::end(m_bytes), value);
59 }
60