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_code39.h"
23
24 #include <memory>
25
26 #include "core/fxcrt/fx_memory_wrappers.h"
27 #include "fxbarcode/oned/BC_OnedCode39Writer.h"
28 #include "third_party/base/ptr_util.h"
29
CBC_Code39()30 CBC_Code39::CBC_Code39()
31 : CBC_OneCode(pdfium::MakeUnique<CBC_OnedCode39Writer>()) {}
32
~CBC_Code39()33 CBC_Code39::~CBC_Code39() {}
34
Encode(WideStringView contents)35 bool CBC_Code39::Encode(WideStringView contents) {
36 if (contents.IsEmpty() || contents.GetLength() > kMaxInputLengthBytes)
37 return false;
38
39 BCFORMAT format = BCFORMAT_CODE_39;
40 int32_t outWidth = 0;
41 int32_t outHeight = 0;
42 auto* pWriter = GetOnedCode39Writer();
43 WideString filtercontents = pWriter->FilterContents(contents);
44 m_renderContents = pWriter->RenderTextContents(contents);
45 ByteString byteString = filtercontents.ToUTF8();
46 std::unique_ptr<uint8_t, FxFreeDeleter> data(
47 pWriter->Encode(byteString, format, outWidth, outHeight));
48 return data && pWriter->RenderResult(m_renderContents.AsStringView(),
49 data.get(), outWidth);
50 }
51
RenderDevice(CFX_RenderDevice * device,const CFX_Matrix * matrix)52 bool CBC_Code39::RenderDevice(CFX_RenderDevice* device,
53 const CFX_Matrix* matrix) {
54 auto* pWriter = GetOnedCode39Writer();
55 WideString renderCon;
56 if (!pWriter->encodedContents(m_renderContents.AsStringView(), &renderCon))
57 return false;
58 return pWriter->RenderDeviceResult(device, matrix, renderCon.AsStringView());
59 }
60
GetType()61 BC_TYPE CBC_Code39::GetType() {
62 return BC_CODE39;
63 }
64
GetOnedCode39Writer()65 CBC_OnedCode39Writer* CBC_Code39::GetOnedCode39Writer() {
66 return static_cast<CBC_OnedCode39Writer*>(m_pBCWriter.get());
67 }
68