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1 // Copyright 2014 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 // Original code is licensed as follows: | |
7 /* | |
8 * Copyright 2009 ZXing authors | |
9 * | |
10 * Licensed under the Apache License, Version 2.0 (the "License"); | |
11 * you may not use this file except in compliance with the License. | |
12 * You may obtain a copy of the License at | |
13 * | |
14 * http://www.apache.org/licenses/LICENSE-2.0 | |
15 * | |
16 * Unless required by applicable law or agreed to in writing, software | |
17 * distributed under the License is distributed on an "AS IS" BASIS, | |
18 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. | |
19 * See the License for the specific language governing permissions and | |
20 * limitations under the License. | |
21 */ | |
22 | |
23 #include "xfa/src/fxbarcode/BC_Reader.h" | |
24 #include "xfa/src/fxbarcode/BC_Writer.h" | |
25 #include "xfa/src/fxbarcode/common/BC_CommonBitMatrix.h" | |
26 #include "xfa/src/fxbarcode/oned/BC_OneDReader.h" | |
27 #include "xfa/src/fxbarcode/oned/BC_OneDimReader.h" | |
28 #include "xfa/src/fxbarcode/oned/BC_OneDimWriter.h" | |
29 #include "xfa/src/fxbarcode/oned/BC_OnedEAN8Writer.h" | |
30 | |
31 CBC_OnedEAN8Writer::CBC_OnedEAN8Writer() { | |
32 m_iDataLenth = 8; | |
33 m_codeWidth = 3 + (7 * 4) + 5 + (7 * 4) + 3; | |
34 } | |
35 CBC_OnedEAN8Writer::~CBC_OnedEAN8Writer() {} | |
36 void CBC_OnedEAN8Writer::SetDataLength(int32_t length) { | |
37 m_iDataLenth = 8; | |
38 } | |
39 FX_BOOL CBC_OnedEAN8Writer::SetTextLocation(BC_TEXT_LOC location) { | |
40 if (location == BC_TEXT_LOC_BELOWEMBED) { | |
41 m_locTextLoc = location; | |
42 return TRUE; | |
43 } | |
44 return FALSE; | |
45 } | |
46 FX_BOOL CBC_OnedEAN8Writer::CheckContentValidity( | |
47 const CFX_WideStringC& contents) { | |
48 for (int32_t i = 0; i < contents.GetLength(); i++) { | |
49 if (contents.GetAt(i) >= '0' && contents.GetAt(i) <= '9') { | |
50 continue; | |
51 } else { | |
52 return FALSE; | |
53 } | |
54 } | |
55 return TRUE; | |
56 } | |
57 CFX_WideString CBC_OnedEAN8Writer::FilterContents( | |
58 const CFX_WideStringC& contents) { | |
59 CFX_WideString filtercontents; | |
60 FX_WCHAR ch; | |
61 for (int32_t i = 0; i < contents.GetLength(); i++) { | |
62 ch = contents.GetAt(i); | |
63 if (ch > 175) { | |
64 i++; | |
65 continue; | |
66 } | |
67 if (ch >= '0' && ch <= '9') { | |
68 filtercontents += ch; | |
69 } | |
70 } | |
71 return filtercontents; | |
72 } | |
73 int32_t CBC_OnedEAN8Writer::CalcChecksum(const CFX_ByteString& contents) { | |
74 int32_t odd = 0; | |
75 int32_t even = 0; | |
76 int32_t j = 1; | |
77 for (int32_t i = contents.GetLength() - 1; i >= 0; i--) { | |
78 if (j % 2) { | |
79 odd += FXSYS_atoi(contents.Mid(i, 1)); | |
80 } else { | |
81 even += FXSYS_atoi(contents.Mid(i, 1)); | |
82 } | |
83 j++; | |
84 } | |
85 int32_t checksum = (odd * 3 + even) % 10; | |
86 checksum = (10 - checksum) % 10; | |
87 return (checksum); | |
88 } | |
89 uint8_t* CBC_OnedEAN8Writer::Encode(const CFX_ByteString& contents, | |
90 BCFORMAT format, | |
91 int32_t& outWidth, | |
92 int32_t& outHeight, | |
93 int32_t& e) { | |
94 uint8_t* ret = Encode(contents, format, outWidth, outHeight, 0, e); | |
95 BC_EXCEPTION_CHECK_ReturnValue(e, NULL); | |
96 return ret; | |
97 } | |
98 uint8_t* CBC_OnedEAN8Writer::Encode(const CFX_ByteString& contents, | |
99 BCFORMAT format, | |
100 int32_t& outWidth, | |
101 int32_t& outHeight, | |
102 int32_t hints, | |
103 int32_t& e) { | |
104 if (format != BCFORMAT_EAN_8) { | |
105 e = BCExceptionOnlyEncodeEAN_8; | |
106 return NULL; | |
107 } | |
108 uint8_t* ret = | |
109 CBC_OneDimWriter::Encode(contents, format, outWidth, outHeight, hints, e); | |
110 BC_EXCEPTION_CHECK_ReturnValue(e, NULL); | |
111 return ret; | |
112 } | |
113 uint8_t* CBC_OnedEAN8Writer::Encode(const CFX_ByteString& contents, | |
114 int32_t& outLength, | |
115 int32_t& e) { | |
116 if (contents.GetLength() != 8) { | |
117 e = BCExceptionDigitLengthMustBe8; | |
118 return NULL; | |
119 } | |
120 outLength = m_codeWidth; | |
121 uint8_t* result = FX_Alloc(uint8_t, m_codeWidth); | |
122 int32_t pos = 0; | |
123 pos += | |
124 AppendPattern(result, pos, CBC_OneDimReader::START_END_PATTERN, 3, 1, e); | |
125 if (e != BCExceptionNO) { | |
126 FX_Free(result); | |
127 return NULL; | |
128 } | |
129 int32_t i = 0; | |
130 for (i = 0; i <= 3; i++) { | |
131 int32_t digit = FXSYS_atoi(contents.Mid(i, 1)); | |
132 pos += AppendPattern(result, pos, CBC_OneDimReader::L_PATTERNS[digit], 4, 0, | |
133 e); | |
134 if (e != BCExceptionNO) { | |
135 FX_Free(result); | |
136 return NULL; | |
137 } | |
138 } | |
139 pos += AppendPattern(result, pos, CBC_OneDimReader::MIDDLE_PATTERN, 5, 0, e); | |
140 if (e != BCExceptionNO) { | |
141 FX_Free(result); | |
142 return NULL; | |
143 } | |
144 for (i = 4; i <= 7; i++) { | |
145 int32_t digit = FXSYS_atoi(contents.Mid(i, 1)); | |
146 pos += AppendPattern(result, pos, CBC_OneDimReader::L_PATTERNS[digit], 4, 1, | |
147 e); | |
148 if (e != BCExceptionNO) { | |
149 FX_Free(result); | |
150 return NULL; | |
151 } | |
152 } | |
153 pos += | |
154 AppendPattern(result, pos, CBC_OneDimReader::START_END_PATTERN, 3, 1, e); | |
155 if (e != BCExceptionNO) { | |
156 FX_Free(result); | |
157 return NULL; | |
158 } | |
159 return result; | |
160 } | |
161 void CBC_OnedEAN8Writer::ShowChars(const CFX_WideStringC& contents, | |
162 CFX_DIBitmap* pOutBitmap, | |
163 CFX_RenderDevice* device, | |
164 const CFX_Matrix* matrix, | |
165 int32_t barWidth, | |
166 int32_t multiple, | |
167 int32_t& e) { | |
168 if (device == NULL && pOutBitmap == NULL) { | |
169 e = BCExceptionIllegalArgument; | |
170 return; | |
171 } | |
172 int32_t leftPosition = 3 * multiple; | |
173 CFX_ByteString str = FX_UTF8Encode(contents); | |
174 int32_t iLength = str.GetLength(); | |
175 FXTEXT_CHARPOS* pCharPos = FX_Alloc(FXTEXT_CHARPOS, iLength); | |
176 FXSYS_memset(pCharPos, 0, sizeof(FXTEXT_CHARPOS) * iLength); | |
177 CFX_ByteString tempStr = str.Mid(0, 4); | |
178 int32_t iLen = tempStr.GetLength(); | |
179 int32_t strWidth = 7 * multiple * 4; | |
180 FX_FLOAT blank = 0.0; | |
181 CFX_FxgeDevice geBitmap; | |
182 if (pOutBitmap) { | |
183 geBitmap.Attach(pOutBitmap); | |
184 } | |
185 int32_t iFontSize = (int32_t)fabs(m_fFontSize); | |
186 int32_t iTextHeight = iFontSize + 1; | |
187 if (pOutBitmap == NULL) { | |
188 CFX_Matrix matr(m_outputHScale, 0.0, 0.0, 1.0, 0.0, 0.0); | |
189 CFX_FloatRect rect( | |
190 (FX_FLOAT)leftPosition, (FX_FLOAT)(m_Height - iTextHeight), | |
191 (FX_FLOAT)(leftPosition + strWidth - 0.5), (FX_FLOAT)m_Height); | |
192 matr.Concat(*matrix); | |
193 matr.TransformRect(rect); | |
194 FX_RECT re = rect.GetOutterRect(); | |
195 device->FillRect(&re, m_backgroundColor); | |
196 CFX_Matrix matr1(m_outputHScale, 0.0, 0.0, 1.0, 0.0, 0.0); | |
197 CFX_FloatRect rect1( | |
198 (FX_FLOAT)(leftPosition + 33 * multiple), | |
199 (FX_FLOAT)(m_Height - iTextHeight), | |
200 (FX_FLOAT)(leftPosition + 33 * multiple + strWidth - 0.5), | |
201 (FX_FLOAT)m_Height); | |
202 matr1.Concat(*matrix); | |
203 matr1.TransformRect(rect1); | |
204 re = rect1.GetOutterRect(); | |
205 device->FillRect(&re, m_backgroundColor); | |
206 } | |
207 if (pOutBitmap == NULL) { | |
208 strWidth = (int32_t)(strWidth * m_outputHScale); | |
209 } | |
210 CalcTextInfo(tempStr, pCharPos, m_pFont, (FX_FLOAT)strWidth, iFontSize, | |
211 blank); | |
212 CFX_Matrix affine_matrix(1.0, 0.0, 0.0, -1.0, 0.0, (FX_FLOAT)iFontSize); | |
213 CFX_FxgeDevice ge; | |
214 if (pOutBitmap) { | |
215 delete ge.GetBitmap(); | |
216 ge.Create(strWidth, iTextHeight, FXDIB_Argb); | |
217 ge.GetBitmap()->Clear(m_backgroundColor); | |
218 ge.DrawNormalText(iLen, pCharPos, m_pFont, | |
219 CFX_GEModule::Get()->GetFontCache(), (FX_FLOAT)iFontSize, | |
220 (CFX_Matrix*)&affine_matrix, m_fontColor, | |
221 FXTEXT_CLEARTYPE); | |
222 geBitmap.SetDIBits(ge.GetBitmap(), leftPosition, m_Height - iTextHeight); | |
223 } else { | |
224 CFX_Matrix affine_matrix1(1.0, 0.0, 0.0, -1.0, | |
225 (FX_FLOAT)leftPosition * m_outputHScale, | |
226 (FX_FLOAT)(m_Height - iTextHeight + iFontSize)); | |
227 affine_matrix1.Concat(*matrix); | |
228 device->DrawNormalText(iLen, pCharPos, m_pFont, | |
229 CFX_GEModule::Get()->GetFontCache(), | |
230 (FX_FLOAT)iFontSize, (CFX_Matrix*)&affine_matrix1, | |
231 m_fontColor, FXTEXT_CLEARTYPE); | |
232 } | |
233 tempStr = str.Mid(4, 4); | |
234 iLen = tempStr.GetLength(); | |
235 CalcTextInfo(tempStr, pCharPos + 4, m_pFont, (FX_FLOAT)strWidth, iFontSize, | |
236 blank); | |
237 if (pOutBitmap) { | |
238 delete ge.GetBitmap(); | |
239 ge.Create(strWidth, iTextHeight, FXDIB_Argb); | |
240 ge.GetBitmap()->Clear(m_backgroundColor); | |
241 ge.DrawNormalText(iLen, pCharPos + 4, m_pFont, | |
242 CFX_GEModule::Get()->GetFontCache(), (FX_FLOAT)iFontSize, | |
243 (CFX_Matrix*)&affine_matrix, m_fontColor, | |
244 FXTEXT_CLEARTYPE); | |
245 geBitmap.SetDIBits(ge.GetBitmap(), leftPosition + 33 * multiple, | |
246 m_Height - iTextHeight); | |
247 } else { | |
248 CFX_Matrix affine_matrix1( | |
249 1.0, 0.0, 0.0, -1.0, | |
250 (FX_FLOAT)(leftPosition + 33 * multiple) * m_outputHScale, | |
251 (FX_FLOAT)(m_Height - iTextHeight + iFontSize)); | |
252 if (matrix) { | |
253 affine_matrix1.Concat(*matrix); | |
254 } | |
255 device->DrawNormalText(iLen, pCharPos + 4, m_pFont, | |
256 CFX_GEModule::Get()->GetFontCache(), | |
257 (FX_FLOAT)iFontSize, (CFX_Matrix*)&affine_matrix1, | |
258 m_fontColor, FXTEXT_CLEARTYPE); | |
259 } | |
260 FX_Free(pCharPos); | |
261 } | |
262 void CBC_OnedEAN8Writer::RenderResult(const CFX_WideStringC& contents, | |
263 uint8_t* code, | |
264 int32_t codeLength, | |
265 FX_BOOL isDevice, | |
266 int32_t& e) { | |
267 CBC_OneDimWriter::RenderResult(contents, code, codeLength, isDevice, e); | |
268 } | |
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