xref: /aosp_15_r20/external/pdfium/fxbarcode/pdf417/BC_PDF417BarcodeRow.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 2011 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/pdf417/BC_PDF417BarcodeRow.h"
24 
25 #include "core/fxcrt/span_util.h"
26 #include "third_party/base/check_op.h"
27 
CBC_BarcodeRow(size_t width)28 CBC_BarcodeRow::CBC_BarcodeRow(size_t width) : row_(width) {}
29 
30 CBC_BarcodeRow::~CBC_BarcodeRow() = default;
31 
AddBar(bool black,size_t width)32 void CBC_BarcodeRow::AddBar(bool black, size_t width) {
33   pdfium::span<uint8_t> available = row_.writable_span().subspan(offset_);
34   CHECK_LE(width, available.size());
35   fxcrt::spanset(available.first(width), black ? 1 : 0);
36   offset_ += width;
37 }
38