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_ean13.h"
23
24 #include "xfa/fxbarcode/oned/BC_OnedEAN13Writer.h"
25
CBC_EAN13()26 CBC_EAN13::CBC_EAN13() : CBC_OneCode(new CBC_OnedEAN13Writer) {}
27
~CBC_EAN13()28 CBC_EAN13::~CBC_EAN13() {}
29
Preprocess(const CFX_WideStringC & contents)30 CFX_WideString CBC_EAN13::Preprocess(const CFX_WideStringC& contents) {
31 CFX_WideString encodeContents =
32 static_cast<CBC_OnedEAN13Writer*>(m_pBCWriter.get())
33 ->FilterContents(contents);
34 int32_t length = encodeContents.GetLength();
35 if (length <= 12) {
36 for (int32_t i = 0; i < 12 - length; i++)
37 encodeContents = FX_WCHAR('0') + encodeContents;
38
39 CFX_ByteString byteString = encodeContents.UTF8Encode();
40 int32_t checksum = static_cast<CBC_OnedEAN13Writer*>(m_pBCWriter.get())
41 ->CalcChecksum(byteString);
42 byteString += checksum - 0 + '0';
43 encodeContents = byteString.UTF8Decode();
44 }
45 if (length > 13)
46 encodeContents = encodeContents.Mid(0, 13);
47
48 return encodeContents;
49 }
50
Encode(const CFX_WideStringC & contents,bool isDevice,int32_t & e)51 bool CBC_EAN13::Encode(const CFX_WideStringC& contents,
52 bool isDevice,
53 int32_t& e) {
54 if (contents.IsEmpty()) {
55 e = BCExceptionNoContents;
56 return false;
57 }
58 BCFORMAT format = BCFORMAT_EAN_13;
59 int32_t outWidth = 0;
60 int32_t outHeight = 0;
61 CFX_WideString encodeContents = Preprocess(contents);
62 CFX_ByteString byteString = encodeContents.UTF8Encode();
63 m_renderContents = encodeContents;
64 uint8_t* data = static_cast<CBC_OnedEAN13Writer*>(m_pBCWriter.get())
65 ->Encode(byteString, format, outWidth, outHeight, e);
66 if (e != BCExceptionNO)
67 return false;
68 static_cast<CBC_OneDimWriter*>(m_pBCWriter.get())
69 ->RenderResult(encodeContents.AsStringC(), data, outWidth, isDevice, e);
70 FX_Free(data);
71 if (e != BCExceptionNO)
72 return false;
73 return true;
74 }
75
RenderDevice(CFX_RenderDevice * device,const CFX_Matrix * matrix,int32_t & e)76 bool CBC_EAN13::RenderDevice(CFX_RenderDevice* device,
77 const CFX_Matrix* matrix,
78 int32_t& e) {
79 static_cast<CBC_OneDimWriter*>(m_pBCWriter.get())
80 ->RenderDeviceResult(device, matrix, m_renderContents.AsStringC(), e);
81 if (e != BCExceptionNO)
82 return false;
83 return true;
84 }
85
RenderBitmap(CFX_DIBitmap * & pOutBitmap,int32_t & e)86 bool CBC_EAN13::RenderBitmap(CFX_DIBitmap*& pOutBitmap, int32_t& e) {
87 static_cast<CBC_OneDimWriter*>(m_pBCWriter.get())
88 ->RenderBitmapResult(pOutBitmap, m_renderContents.AsStringC(), e);
89 if (e != BCExceptionNO)
90 return false;
91 return true;
92 }
93
GetType()94 BC_TYPE CBC_EAN13::GetType() {
95 return BC_EAN13;
96 }
97