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// Copyright 2014 The PDFium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
// Original code copyright 2014 Foxit Software Inc. http://www.foxitsoftware.com
// Original code is licensed as follows:
/*
* Copyright 2008 ZXing authors
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#include "fxbarcode/common/BC_CommonByteMatrix.h"
#include <algorithm>
#include <iterator>
#include <utility>
#include "core/fxcrt/check_op.h"
#include "core/fxcrt/data_vector.h"
CBC_CommonByteMatrix::CBC_CommonByteMatrix(size_t width, size_t height)
: m_width(width), m_height(height) {
static constexpr size_t kMaxBytes = 256 * 1024 * 1024; // 256 MB.
static constexpr uint8_t kDefaultFill = 0xff;
CHECK_LT(m_width, kMaxBytes / m_height);
m_bytes.resize(m_width * m_height, kDefaultFill);
}
CBC_CommonByteMatrix::~CBC_CommonByteMatrix() = default;
DataVector<uint8_t> CBC_CommonByteMatrix::TakeArray() {
return std::move(m_bytes);
}
uint8_t CBC_CommonByteMatrix::Get(size_t x, size_t y) const {
const size_t offset = y * m_width + x;
CHECK_LT(offset, m_bytes.size());
return m_bytes[offset];
}
void CBC_CommonByteMatrix::Set(size_t x, size_t y, uint8_t value) {
const size_t offset = y * m_width + x;
CHECK_LT(offset, m_bytes.size());
m_bytes[offset] = value;
}
void CBC_CommonByteMatrix::Fill(uint8_t value) {
std::fill(std::begin(m_bytes), std::end(m_bytes), value);
}