1 // Copyright 2016 PDFium Authors. All rights reserved.
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 /*
7  * Copyright 2011 ZXing authors
8  *
9  * Licensed under the Apache License, Version 2.0 (the "License");
10  * you may not use this file except in compliance with the License.
11  * You may obtain a copy of the License at
12  *
13  *      http://www.apache.org/licenses/LICENSE-2.0
14  *
15  * Unless required by applicable law or agreed to in writing, software
16  * distributed under the License is distributed on an "AS IS" BASIS,
17  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
18  * See the License for the specific language governing permissions and
19  * limitations under the License.
20  */
21 
22 #include "fxbarcode/cbc_code128.h"
23 
24 #include <memory>
25 
26 #include "fxbarcode/oned/BC_OnedCode128Writer.h"
27 #include "third_party/base/ptr_util.h"
28 
CBC_Code128(BC_TYPE type)29 CBC_Code128::CBC_Code128(BC_TYPE type)
30     : CBC_OneCode(pdfium::MakeUnique<CBC_OnedCode128Writer>(type)) {}
31 
~CBC_Code128()32 CBC_Code128::~CBC_Code128() {}
33 
SetTextLocation(BC_TEXT_LOC location)34 bool CBC_Code128::SetTextLocation(BC_TEXT_LOC location) {
35   return GetOnedCode128Writer()->SetTextLocation(location);
36 }
37 
Encode(const WideStringView & contents)38 bool CBC_Code128::Encode(const WideStringView& contents) {
39   if (contents.IsEmpty())
40     return false;
41 
42   BCFORMAT format = BCFORMAT_CODE_128;
43   int32_t outWidth = 0;
44   int32_t outHeight = 0;
45   auto* pWriter = GetOnedCode128Writer();
46   WideString content(contents);
47   if (contents.GetLength() % 2 && pWriter->GetType() == BC_CODE128_C)
48     content += '0';
49 
50   WideString encodeContents = pWriter->FilterContents(content.AsStringView());
51   m_renderContents = encodeContents;
52   ByteString byteString = encodeContents.UTF8Encode();
53   std::unique_ptr<uint8_t, FxFreeDeleter> data(
54       pWriter->Encode(byteString, format, outWidth, outHeight));
55   if (!data)
56     return false;
57   return pWriter->RenderResult(encodeContents.AsStringView(), data.get(),
58                                outWidth);
59 }
60 
RenderDevice(CFX_RenderDevice * device,const CFX_Matrix * matrix)61 bool CBC_Code128::RenderDevice(CFX_RenderDevice* device,
62                                const CFX_Matrix* matrix) {
63   return GetOnedCode128Writer()->RenderDeviceResult(
64       device, matrix, m_renderContents.AsStringView());
65 }
66 
GetType()67 BC_TYPE CBC_Code128::GetType() {
68   return BC_CODE128;
69 }
70 
GetOnedCode128Writer()71 CBC_OnedCode128Writer* CBC_Code128::GetOnedCode128Writer() {
72   return static_cast<CBC_OnedCode128Writer*>(m_pBCWriter.get());
73 }
74