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 "xfa/fxbarcode/cbc_upca.h"
23
24 #include "xfa/fxbarcode/oned/BC_OnedUPCAWriter.h"
25
CBC_UPCA()26 CBC_UPCA::CBC_UPCA() : CBC_OneCode(new CBC_OnedUPCAWriter) {}
27
~CBC_UPCA()28 CBC_UPCA::~CBC_UPCA() {}
29
Preprocess(const CFX_WideStringC & contents)30 CFX_WideString CBC_UPCA::Preprocess(const CFX_WideStringC& contents) {
31 CBC_OnedUPCAWriter* pWriter =
32 static_cast<CBC_OnedUPCAWriter*>(m_pBCWriter.get());
33 CFX_WideString encodeContents = pWriter->FilterContents(contents);
34 int32_t length = encodeContents.GetLength();
35 if (length <= 11) {
36 for (int32_t i = 0; i < 11 - length; i++)
37 encodeContents = FX_WCHAR('0') + encodeContents;
38
39 CFX_ByteString byteString = encodeContents.UTF8Encode();
40 int32_t checksum = pWriter->CalcChecksum(byteString);
41 byteString += checksum - 0 + '0';
42 encodeContents = byteString.UTF8Decode();
43 }
44 if (length > 12)
45 encodeContents = encodeContents.Mid(0, 12);
46
47 return encodeContents;
48 }
49
Encode(const CFX_WideStringC & contents,bool isDevice,int32_t & e)50 bool CBC_UPCA::Encode(const CFX_WideStringC& contents,
51 bool isDevice,
52 int32_t& e) {
53 if (contents.IsEmpty()) {
54 e = BCExceptionNoContents;
55 return false;
56 }
57 BCFORMAT format = BCFORMAT_UPC_A;
58 int32_t outWidth = 0;
59 int32_t outHeight = 0;
60 CFX_WideString encodeContents = Preprocess(contents);
61 CFX_ByteString byteString = encodeContents.UTF8Encode();
62 m_renderContents = encodeContents;
63
64 CBC_OnedUPCAWriter* pWriter =
65 static_cast<CBC_OnedUPCAWriter*>(m_pBCWriter.get());
66
67 pWriter->Init();
68 uint8_t* data = pWriter->Encode(byteString, format, outWidth, outHeight, e);
69 if (e != BCExceptionNO)
70 return false;
71 pWriter->RenderResult(encodeContents.AsStringC(), data, outWidth, isDevice,
72 e);
73 FX_Free(data);
74 if (e != BCExceptionNO)
75 return false;
76 return true;
77 }
78
RenderDevice(CFX_RenderDevice * device,const CFX_Matrix * matrix,int32_t & e)79 bool CBC_UPCA::RenderDevice(CFX_RenderDevice* device,
80 const CFX_Matrix* matrix,
81 int32_t& e) {
82 static_cast<CBC_OneDimWriter*>(m_pBCWriter.get())
83 ->RenderDeviceResult(device, matrix, m_renderContents.AsStringC(), e);
84 if (e != BCExceptionNO)
85 return false;
86 return true;
87 }
88
RenderBitmap(CFX_DIBitmap * & pOutBitmap,int32_t & e)89 bool CBC_UPCA::RenderBitmap(CFX_DIBitmap*& pOutBitmap, int32_t& e) {
90 static_cast<CBC_OneDimWriter*>(m_pBCWriter.get())
91 ->RenderBitmapResult(pOutBitmap, m_renderContents.AsStringC(), e);
92 if (e != BCExceptionNO)
93 return false;
94 return true;
95 }
96
GetType()97 BC_TYPE CBC_UPCA::GetType() {
98 return BC_UPCA;
99 }
100