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