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/barcode.h"
24 #include "xfa/src/fxbarcode/BC_Writer.h"
25 #include "xfa/src/fxbarcode/BC_Reader.h"
26 #include "xfa/src/fxbarcode/common/BC_CommonBitMatrix.h"
27 #include "BC_OneDReader.h"
28 #include "BC_OneDimWriter.h"
29 #include "BC_OneDimReader.h"
30 #include "BC_OnedEAN8Writer.h"
CBC_OnedEAN8Writer()31 CBC_OnedEAN8Writer::CBC_OnedEAN8Writer() {
32 m_iDataLenth = 8;
33 m_codeWidth = 3 + (7 * 4) + 5 + (7 * 4) + 3;
34 }
~CBC_OnedEAN8Writer()35 CBC_OnedEAN8Writer::~CBC_OnedEAN8Writer() {}
SetDataLength(int32_t length)36 void CBC_OnedEAN8Writer::SetDataLength(int32_t length) {
37 m_iDataLenth = 8;
38 }
SetTextLocation(BC_TEXT_LOC location)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 }
CheckContentValidity(const CFX_WideStringC & contents)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 }
FilterContents(const CFX_WideStringC & contents)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 }
CalcChecksum(const CFX_ByteString & contents)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 }
Encode(const CFX_ByteString & contents,BCFORMAT format,int32_t & outWidth,int32_t & outHeight,int32_t & e)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 }
Encode(const CFX_ByteString & contents,BCFORMAT format,int32_t & outWidth,int32_t & outHeight,int32_t hints,int32_t & e)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 }
Encode(const CFX_ByteString & contents,int32_t & outLength,int32_t & e)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 }
ShowChars(const CFX_WideStringC & contents,CFX_DIBitmap * pOutBitmap,CFX_RenderDevice * device,const CFX_Matrix * matrix,int32_t barWidth,int32_t multiple,int32_t & e)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 != NULL) {
183 geBitmap.Attach(pOutBitmap);
184 }
185 FX_FLOAT charsWidth = 0;
186 int32_t iFontSize = (int32_t)fabs(m_fFontSize);
187 int32_t iTextHeight = iFontSize + 1;
188 if (pOutBitmap == NULL) {
189 CFX_Matrix matr(m_outputHScale, 0.0, 0.0, 1.0, 0.0, 0.0);
190 CFX_FloatRect rect(
191 (FX_FLOAT)leftPosition, (FX_FLOAT)(m_Height - iTextHeight),
192 (FX_FLOAT)(leftPosition + strWidth - 0.5), (FX_FLOAT)m_Height);
193 matr.Concat(*matrix);
194 matr.TransformRect(rect);
195 FX_RECT re = rect.GetOutterRect();
196 device->FillRect(&re, m_backgroundColor);
197 CFX_Matrix matr1(m_outputHScale, 0.0, 0.0, 1.0, 0.0, 0.0);
198 CFX_FloatRect rect1(
199 (FX_FLOAT)(leftPosition + 33 * multiple),
200 (FX_FLOAT)(m_Height - iTextHeight),
201 (FX_FLOAT)(leftPosition + 33 * multiple + strWidth - 0.5),
202 (FX_FLOAT)m_Height);
203 matr1.Concat(*matrix);
204 matr1.TransformRect(rect1);
205 re = rect1.GetOutterRect();
206 device->FillRect(&re, m_backgroundColor);
207 }
208 if (pOutBitmap == NULL) {
209 strWidth = (int32_t)(strWidth * m_outputHScale);
210 }
211 CalcTextInfo(tempStr, pCharPos, m_pFont, (FX_FLOAT)strWidth, iFontSize,
212 blank);
213 CFX_Matrix affine_matrix(1.0, 0.0, 0.0, -1.0, 0.0, (FX_FLOAT)iFontSize);
214 CFX_FxgeDevice ge;
215 if (pOutBitmap != NULL) {
216 delete ge.GetBitmap();
217 ge.Create(strWidth, iTextHeight, FXDIB_Argb);
218 ge.GetBitmap()->Clear(m_backgroundColor);
219 ge.DrawNormalText(iLen, pCharPos, m_pFont,
220 CFX_GEModule::Get()->GetFontCache(), (FX_FLOAT)iFontSize,
221 (CFX_Matrix*)&affine_matrix, m_fontColor,
222 FXTEXT_CLEARTYPE);
223 geBitmap.SetDIBits(ge.GetBitmap(), leftPosition, m_Height - iTextHeight);
224 } else {
225 CFX_Matrix affine_matrix1(1.0, 0.0, 0.0, -1.0,
226 (FX_FLOAT)leftPosition * m_outputHScale,
227 (FX_FLOAT)(m_Height - iTextHeight + iFontSize));
228 affine_matrix1.Concat(*matrix);
229 device->DrawNormalText(iLen, pCharPos, m_pFont,
230 CFX_GEModule::Get()->GetFontCache(),
231 (FX_FLOAT)iFontSize, (CFX_Matrix*)&affine_matrix1,
232 m_fontColor, FXTEXT_CLEARTYPE);
233 }
234 tempStr = str.Mid(4, 4);
235 iLen = tempStr.GetLength();
236 charsWidth = 0.0f;
237 CalcTextInfo(tempStr, pCharPos + 4, m_pFont, (FX_FLOAT)strWidth, iFontSize,
238 blank);
239 if (pOutBitmap != NULL) {
240 delete ge.GetBitmap();
241 ge.Create(strWidth, iTextHeight, FXDIB_Argb);
242 ge.GetBitmap()->Clear(m_backgroundColor);
243 ge.DrawNormalText(iLen, pCharPos + 4, m_pFont,
244 CFX_GEModule::Get()->GetFontCache(), (FX_FLOAT)iFontSize,
245 (CFX_Matrix*)&affine_matrix, m_fontColor,
246 FXTEXT_CLEARTYPE);
247 geBitmap.SetDIBits(ge.GetBitmap(), leftPosition + 33 * multiple,
248 m_Height - iTextHeight);
249 } else {
250 CFX_Matrix affine_matrix1(
251 1.0, 0.0, 0.0, -1.0,
252 (FX_FLOAT)(leftPosition + 33 * multiple) * m_outputHScale,
253 (FX_FLOAT)(m_Height - iTextHeight + iFontSize));
254 if (matrix != NULL) {
255 affine_matrix1.Concat(*matrix);
256 }
257 device->DrawNormalText(iLen, pCharPos + 4, m_pFont,
258 CFX_GEModule::Get()->GetFontCache(),
259 (FX_FLOAT)iFontSize, (CFX_Matrix*)&affine_matrix1,
260 m_fontColor, FXTEXT_CLEARTYPE);
261 }
262 FX_Free(pCharPos);
263 }
RenderResult(const CFX_WideStringC & contents,uint8_t * code,int32_t codeLength,FX_BOOL isDevice,int32_t & e)264 void CBC_OnedEAN8Writer::RenderResult(const CFX_WideStringC& contents,
265 uint8_t* code,
266 int32_t codeLength,
267 FX_BOOL isDevice,
268 int32_t& e) {
269 CBC_OneDimWriter::RenderResult(contents, code, codeLength, isDevice, e);
270 }
271