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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 "barcode.h" | |
| 24 #include "include/BC_Writer.h" | |
| 25 #include "include/BC_Reader.h" | |
| 26 #include "include/BC_OneDReader.h" | |
| 27 #include "include/BC_OneDimReader.h" | |
| 28 #include "include/BC_OneDimWriter.h" | |
| 29 #include "include/BC_OnedEAN13Reader.h" | |
| 30 #include "include/BC_OnedEAN13Writer.h" | |
| 31 CBC_OnedEAN13Writer::CBC_OnedEAN13Writer() | |
| 32 { | |
| 33 m_bLeftPadding = TRUE; | |
| 34 m_codeWidth = 3 + | |
| 35 (7 * 6) + | |
| 36 5 + | |
| 37 (7 * 6) + | |
| 38 3; | |
| 39 } | |
| 40 CBC_OnedEAN13Writer::~CBC_OnedEAN13Writer() | |
| 41 { | |
| 42 } | |
| 43 FX_BOOL CBC_OnedEAN13Writer::CheckContentValidity(FX_WSTR contents) | |
| 44 { | |
| 45 for (FX_INT32 i = 0; i < contents.GetLength(); i++) { | |
| 46 if (contents.GetAt(i) >= '0' && contents.GetAt(i) <= '9') { | |
| 47 continue; | |
| 48 } else { | |
| 49 return FALSE; | |
| 50 } | |
| 51 } | |
| 52 return TRUE; | |
| 53 } | |
| 54 CFX_WideString CBC_OnedEAN13Writer::FilterContents(FX_WSTR contents) | |
| 55 { | |
| 56 CFX_WideString filtercontents; | |
| 57 FX_WCHAR ch; | |
| 58 for (FX_INT32 i = 0; i < contents.GetLength(); i++) { | |
| 59 ch = contents.GetAt(i); | |
| 60 if(ch > 175) { | |
| 61 i++; | |
| 62 continue; | |
| 63 } | |
| 64 if (ch >= '0' && ch <= '9') { | |
| 65 filtercontents += ch; | |
| 66 } | |
| 67 } | |
| 68 return filtercontents; | |
| 69 } | |
| 70 FX_INT32 CBC_OnedEAN13Writer::CalcChecksum(const CFX_ByteString &contents) | |
| 71 { | |
| 72 FX_INT32 odd = 0; | |
| 73 FX_INT32 even = 0; | |
| 74 FX_INT32 j = 1; | |
| 75 for(FX_INT32 i = contents.GetLength() - 1; i >= 0; i--) { | |
| 76 if(j % 2) { | |
| 77 odd += FXSYS_atoi(contents.Mid(i, 1)); | |
| 78 } else { | |
| 79 even += FXSYS_atoi(contents.Mid(i, 1)); | |
| 80 } | |
| 81 j++; | |
| 82 } | |
| 83 FX_INT32 checksum = (odd * 3 + even) % 10; | |
| 84 checksum = (10 - checksum) % 10; | |
| 85 return (checksum); | |
| 86 } | |
| 87 FX_BYTE *CBC_OnedEAN13Writer::Encode(const CFX_ByteString &contents, BCFORMAT fo
rmat, FX_INT32 &outWidth, FX_INT32 &outHeight, FX_INT32 &e) | |
| 88 { | |
| 89 FX_BYTE *ret = Encode(contents, format, outWidth, outHeight, 0, e); | |
| 90 BC_EXCEPTION_CHECK_ReturnValue(e, NULL); | |
| 91 return ret; | |
| 92 } | |
| 93 FX_BYTE *CBC_OnedEAN13Writer::Encode(const CFX_ByteString &contents, BCFORMAT fo
rmat, FX_INT32 &outWidth, FX_INT32 &outHeight, FX_INT32 hints, FX_INT32 &e) | |
| 94 { | |
| 95 if(format != BCFORMAT_EAN_13) { | |
| 96 e = BCExceptionOnlyEncodeEAN_13; | |
| 97 } | |
| 98 FX_BYTE *ret = CBC_OneDimWriter::Encode(contents, format, outWidth, outHeigh
t, hints, e); | |
| 99 BC_EXCEPTION_CHECK_ReturnValue(e, NULL); | |
| 100 return ret; | |
| 101 } | |
| 102 FX_BYTE *CBC_OnedEAN13Writer::Encode(const CFX_ByteString &contents, FX_INT32 &o
utLength, FX_INT32 &e) | |
| 103 { | |
| 104 if (contents.GetLength() != 13) { | |
| 105 e = BCExceptionDigitLengthShould13; | |
| 106 return NULL; | |
| 107 } | |
| 108 m_iDataLenth = 13; | |
| 109 FX_INT32 firstDigit = FXSYS_atoi(contents.Mid(0, 1)); | |
| 110 FX_INT32 parities = CBC_OnedEAN13Reader::FIRST_DIGIT_ENCODINGS[firstDigit]; | |
| 111 outLength = m_codeWidth; | |
| 112 FX_BYTE *result = FX_Alloc(FX_BYTE, m_codeWidth); | |
| 113 FX_INT32 pos = 0; | |
| 114 pos += AppendPattern(result, pos, CBC_OneDimReader::START_END_PATTERN, 3, 1,
e); | |
| 115 if (e != BCExceptionNO) { | |
| 116 FX_Free (result); | |
| 117 return NULL; | |
| 118 } | |
| 119 FX_INT32 i = 0; | |
| 120 for ( i = 1; i <= 6; i++) { | |
| 121 FX_INT32 digit = FXSYS_atoi(contents.Mid(i, 1)); | |
| 122 if ((parities >> (6 - i) & 1) == 1) { | |
| 123 digit += 10; | |
| 124 } | |
| 125 pos += AppendPattern(result, pos, CBC_OneDimReader::L_AND_G_PATTERNS[dig
it], 4, 0, e); | |
| 126 if (e != BCExceptionNO) { | |
| 127 FX_Free (result); | |
| 128 return NULL; | |
| 129 } | |
| 130 } | |
| 131 pos += AppendPattern(result, pos, CBC_OneDimReader::MIDDLE_PATTERN, 5, 0, e)
; | |
| 132 if (e != BCExceptionNO) { | |
| 133 FX_Free (result); | |
| 134 return NULL; | |
| 135 } | |
| 136 for (i = 7; i <= 12; i++) { | |
| 137 FX_INT32 digit = FXSYS_atoi(contents.Mid(i, 1)); | |
| 138 pos += AppendPattern(result, pos, CBC_OneDimReader::L_PATTERNS[digit], 4
, 1, e); | |
| 139 if (e != BCExceptionNO) { | |
| 140 FX_Free (result); | |
| 141 return NULL; | |
| 142 } | |
| 143 } | |
| 144 pos += AppendPattern(result, pos, CBC_OneDimReader::START_END_PATTERN, 3, 1,
e); | |
| 145 if (e != BCExceptionNO) { | |
| 146 FX_Free (result); | |
| 147 return NULL; | |
| 148 } | |
| 149 return result; | |
| 150 } | |
| 151 void CBC_OnedEAN13Writer::ShowChars(FX_WSTR contents, CFX_DIBitmap *pOutBitmap,
CFX_RenderDevice* device, const CFX_Matrix* matrix, FX_INT32 barWidth, FX_INT32
multiple, FX_INT32 &e) | |
| 152 { | |
| 153 if (device == NULL && pOutBitmap == NULL) { | |
| 154 e = BCExceptionIllegalArgument; | |
| 155 return; | |
| 156 } | |
| 157 FX_INT32 leftPadding = 7 * multiple; | |
| 158 FX_INT32 leftPosition = 3 * multiple + leftPadding; | |
| 159 CFX_ByteString str = FX_UTF8Encode(contents); | |
| 160 FX_INT32 iLen = str.GetLength(); | |
| 161 FXTEXT_CHARPOS* pCharPos = FX_Alloc(FXTEXT_CHARPOS, iLen); | |
| 162 if (!pCharPos) { | |
| 163 return; | |
| 164 } | |
| 165 FXSYS_memset32(pCharPos, 0, sizeof(FXTEXT_CHARPOS) * iLen); | |
| 166 CFX_FxgeDevice geBitmap; | |
| 167 if (pOutBitmap != NULL) { | |
| 168 geBitmap.Attach(pOutBitmap); | |
| 169 } | |
| 170 FX_INT32 iFontSize = (FX_INT32)fabs(m_fFontSize); | |
| 171 FX_INT32 iTextHeight = iFontSize + 1; | |
| 172 CFX_ByteString tempStr = str.Mid(1, 6); | |
| 173 FX_INT32 strWidth = multiple * 42; | |
| 174 if (pOutBitmap == NULL) { | |
| 175 CFX_Matrix matr(m_outputHScale, 0.0, 0.0, 1.0, 0.0, 0.0); | |
| 176 CFX_FloatRect rect((FX_FLOAT)leftPosition, (FX_FLOAT)(m_Height - iTextHe
ight), (FX_FLOAT)(leftPosition + strWidth - 0.5), (FX_FLOAT)m_Height); | |
| 177 matr.Concat(*matrix); | |
| 178 matr.TransformRect(rect); | |
| 179 FX_RECT re = rect.GetOutterRect(); | |
| 180 device->FillRect(&re, m_backgroundColor); | |
| 181 CFX_FloatRect rect1((FX_FLOAT)(leftPosition + 47 * multiple), (FX_FLOAT)
(m_Height - iTextHeight), (FX_FLOAT)(leftPosition + 47 * multiple + strWidth - 0
.5), (FX_FLOAT)m_Height); | |
| 182 CFX_Matrix matr1(m_outputHScale, 0.0, 0.0, 1.0, 0.0, 0.0); | |
| 183 matr1.Concat(*matrix); | |
| 184 matr1.TransformRect(rect1); | |
| 185 re = rect1.GetOutterRect(); | |
| 186 device->FillRect(&re, m_backgroundColor); | |
| 187 FX_INT32 strWidth1 = multiple * 7; | |
| 188 CFX_Matrix matr2(m_outputHScale, 0.0f, 0.0f, 1.0f, 0.0f, 0.0f); | |
| 189 CFX_FloatRect rect2(0.0f, (FX_FLOAT)(m_Height - iTextHeight), (FX_FLOAT)
strWidth1 - 0.5f, (FX_FLOAT)m_Height); | |
| 190 matr2.Concat(*matrix); | |
| 191 matr2.TransformRect(rect2); | |
| 192 re = rect2.GetOutterRect(); | |
| 193 device->FillRect(&re, m_backgroundColor); | |
| 194 } | |
| 195 FX_FLOAT blank = 0.0; | |
| 196 FX_FLOAT charsWidth = 0; | |
| 197 iLen = tempStr.GetLength(); | |
| 198 if (pOutBitmap == NULL) { | |
| 199 strWidth = (FX_INT32)(strWidth * m_outputHScale); | |
| 200 } | |
| 201 CalcTextInfo(tempStr, pCharPos + 1, m_pFont, (FX_FLOAT)strWidth, iFontSize,
blank); | |
| 202 CFX_AffineMatrix affine_matrix(1.0, 0.0, 0.0, -1.0, 0.0, (FX_FLOAT)iFontSize
); | |
| 203 CFX_FxgeDevice ge; | |
| 204 if (pOutBitmap != NULL) { | |
| 205 ge.Create(strWidth, iTextHeight, FXDIB_Argb); | |
| 206 FX_RECT rect(0, 0, strWidth, iTextHeight); | |
| 207 ge.FillRect(&rect, m_backgroundColor); | |
| 208 ge.DrawNormalText(iLen, | |
| 209 pCharPos + 1, | |
| 210 m_pFont, | |
| 211 CFX_GEModule::Get()->GetFontCache(), | |
| 212 (FX_FLOAT)iFontSize , | |
| 213 (CFX_AffineMatrix *) &affine_matrix, | |
| 214 m_fontColor, FXTEXT_CLEARTYPE); | |
| 215 geBitmap.SetDIBits(ge.GetBitmap(), leftPosition, m_Height - iTextHeight)
; | |
| 216 } else { | |
| 217 CFX_AffineMatrix affine_matrix1(1.0, 0.0, 0.0, -1.0, (FX_FLOAT)leftPosit
ion * m_outputHScale, (FX_FLOAT)(m_Height - iTextHeight) + iFontSize); | |
| 218 if (matrix != NULL) { | |
| 219 affine_matrix1.Concat(*matrix); | |
| 220 } | |
| 221 device->DrawNormalText(iLen, | |
| 222 pCharPos + 1, | |
| 223 m_pFont, | |
| 224 CFX_GEModule::Get()->GetFontCache(), | |
| 225 (FX_FLOAT)iFontSize , | |
| 226 (CFX_AffineMatrix *) &affine_matrix1, | |
| 227 m_fontColor, FXTEXT_CLEARTYPE); | |
| 228 } | |
| 229 tempStr = str.Mid(7, 6); | |
| 230 iLen = tempStr.GetLength(); | |
| 231 charsWidth = 0.0f; | |
| 232 CalcTextInfo(tempStr, pCharPos + 7, m_pFont, (FX_FLOAT)strWidth, iFontSize,
blank); | |
| 233 if(pOutBitmap != NULL) { | |
| 234 FX_RECT rect1(0, 0, strWidth, iTextHeight); | |
| 235 ge.FillRect(&rect1, m_backgroundColor); | |
| 236 ge.DrawNormalText(iLen, | |
| 237 pCharPos + 7, | |
| 238 m_pFont, | |
| 239 CFX_GEModule::Get()->GetFontCache(), | |
| 240 (FX_FLOAT)iFontSize , | |
| 241 (CFX_AffineMatrix *) &affine_matrix, | |
| 242 m_fontColor, FXTEXT_CLEARTYPE); | |
| 243 geBitmap.SetDIBits(ge.GetBitmap(), leftPosition + 47 * multiple, m_Heigh
t - iTextHeight); | |
| 244 } else { | |
| 245 CFX_AffineMatrix affine_matrix1(1.0, 0.0, 0.0, -1.0, (FX_FLOAT)(leftPosi
tion + 47 * multiple) * m_outputHScale, (FX_FLOAT)(m_Height - iTextHeight + iFon
tSize)); | |
| 246 if (matrix != NULL) { | |
| 247 affine_matrix1.Concat(*matrix); | |
| 248 } | |
| 249 device->DrawNormalText(iLen, | |
| 250 pCharPos + 7, | |
| 251 m_pFont, | |
| 252 CFX_GEModule::Get()->GetFontCache(), | |
| 253 (FX_FLOAT)iFontSize , | |
| 254 (CFX_AffineMatrix *) &affine_matrix1, | |
| 255 m_fontColor, FXTEXT_CLEARTYPE); | |
| 256 } | |
| 257 tempStr = str.Mid(0, 1); | |
| 258 iLen = tempStr.GetLength(); | |
| 259 strWidth = multiple * 7; | |
| 260 if (pOutBitmap == NULL) { | |
| 261 strWidth = (FX_INT32)(strWidth * m_outputHScale); | |
| 262 } | |
| 263 CalcTextInfo(tempStr, pCharPos, m_pFont, (FX_FLOAT)strWidth, iFontSize, blan
k); | |
| 264 if(pOutBitmap != NULL) { | |
| 265 delete ge.GetBitmap(); | |
| 266 ge.Create(strWidth, iTextHeight, FXDIB_Argb); | |
| 267 ge.GetBitmap()->Clear(m_backgroundColor); | |
| 268 ge.DrawNormalText(iLen, | |
| 269 pCharPos, | |
| 270 m_pFont, | |
| 271 CFX_GEModule::Get()->GetFontCache(), | |
| 272 (FX_FLOAT)iFontSize , | |
| 273 (CFX_AffineMatrix *) &affine_matrix, | |
| 274 m_fontColor, FXTEXT_CLEARTYPE); | |
| 275 geBitmap.SetDIBits(ge.GetBitmap(), 0, m_Height - iTextHeight); | |
| 276 } else { | |
| 277 CFX_AffineMatrix affine_matrix1(1.0, 0.0, 0.0, -1.0, 0.0, (FX_FLOAT)(m_H
eight - iTextHeight + iFontSize)); | |
| 278 if (matrix != NULL) { | |
| 279 affine_matrix1.Concat(*matrix); | |
| 280 } | |
| 281 device->DrawNormalText(iLen, | |
| 282 pCharPos, | |
| 283 m_pFont, | |
| 284 CFX_GEModule::Get()->GetFontCache(), | |
| 285 (FX_FLOAT)iFontSize , | |
| 286 (CFX_AffineMatrix *) &affine_matrix1, | |
| 287 m_fontColor, FXTEXT_CLEARTYPE); | |
| 288 } | |
| 289 FX_Free(pCharPos); | |
| 290 } | |
| 291 void CBC_OnedEAN13Writer::RenderResult(FX_WSTR contents, FX_BYTE* code, FX_INT32
codeLength, FX_BOOL isDevice, FX_INT32 &e) | |
| 292 { | |
| 293 CBC_OneDimWriter::RenderResult(contents, code, codeLength, isDevice, e); | |
| 294 } | |
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Chromium Code Reviews
Issue 842043002:
Organize barcode codes into modules. (Closed)
Base URL: https://pdfium.googlesource.com/pdfium.git@xfa