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_codabar.h"
23 
24 #include <memory>
25 
26 #include "fxbarcode/oned/BC_OnedCodaBarWriter.h"
27 #include "third_party/base/ptr_util.h"
28 
CBC_Codabar()29 CBC_Codabar::CBC_Codabar()
30     : CBC_OneCode(pdfium::MakeUnique<CBC_OnedCodaBarWriter>()) {}
31 
~CBC_Codabar()32 CBC_Codabar::~CBC_Codabar() {}
33 
SetStartChar(char start)34 bool CBC_Codabar::SetStartChar(char start) {
35   return GetOnedCodaBarWriter()->SetStartChar(start);
36 }
37 
SetEndChar(char end)38 bool CBC_Codabar::SetEndChar(char end) {
39   return GetOnedCodaBarWriter()->SetEndChar(end);
40 }
41 
SetTextLocation(BC_TEXT_LOC location)42 bool CBC_Codabar::SetTextLocation(BC_TEXT_LOC location) {
43   return GetOnedCodaBarWriter()->SetTextLocation(location);
44 }
45 
SetWideNarrowRatio(int8_t ratio)46 bool CBC_Codabar::SetWideNarrowRatio(int8_t ratio) {
47   return GetOnedCodaBarWriter()->SetWideNarrowRatio(ratio);
48 }
49 
Encode(const WideStringView & contents)50 bool CBC_Codabar::Encode(const WideStringView& contents) {
51   if (contents.IsEmpty())
52     return false;
53 
54   BCFORMAT format = BCFORMAT_CODABAR;
55   int32_t outWidth = 0;
56   int32_t outHeight = 0;
57   WideString filtercontents = GetOnedCodaBarWriter()->FilterContents(contents);
58   ByteString byteString = filtercontents.UTF8Encode();
59   m_renderContents = filtercontents;
60   auto* pWriter = GetOnedCodaBarWriter();
61   std::unique_ptr<uint8_t, FxFreeDeleter> data(
62       pWriter->Encode(byteString, format, outWidth, outHeight));
63   if (!data)
64     return false;
65 
66   return pWriter->RenderResult(filtercontents.AsStringView(), data.get(),
67                                outWidth);
68 }
69 
RenderDevice(CFX_RenderDevice * device,const CFX_Matrix * matrix)70 bool CBC_Codabar::RenderDevice(CFX_RenderDevice* device,
71                                const CFX_Matrix* matrix) {
72   auto* pWriter = GetOnedCodaBarWriter();
73   WideString renderCon =
74       pWriter->encodedContents(m_renderContents.AsStringView());
75   return pWriter->RenderDeviceResult(device, matrix, renderCon.AsStringView());
76 }
77 
GetType()78 BC_TYPE CBC_Codabar::GetType() {
79   return BC_CODABAR;
80 }
81 
GetOnedCodaBarWriter()82 CBC_OnedCodaBarWriter* CBC_Codabar::GetOnedCodaBarWriter() {
83   return static_cast<CBC_OnedCodaBarWriter*>(m_pBCWriter.get());
84 }
85