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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 2011 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_CommonBitMatrix.h" | |
| 26 #include "include/BC_OneDimWriter.h" | |
| 27 CBC_OneDimWriter::CBC_OneDimWriter() | |
| 28 { | |
| 29 m_locTextLoc = BC_TEXT_LOC_BELOWEMBED; | |
| 30 m_bPrintChecksum = TRUE; | |
| 31 m_iDataLenth = 0; | |
| 32 m_bCalcChecksum = FALSE; | |
| 33 m_pFont = NULL; | |
| 34 m_fFontSize = 10;
; | |
| 35 m_iFontStyle = 0; | |
| 36 m_fontColor = 0xff000000; | |
| 37 m_iContentLen = 0; | |
| 38 m_bLeftPadding = FALSE; | |
| 39 m_bRightPadding = FALSE; | |
| 40 m_output = NULL; | |
| 41 } | |
| 42 CBC_OneDimWriter::~CBC_OneDimWriter() | |
| 43 { | |
| 44 if (m_output != NULL) { | |
| 45 delete m_output; | |
| 46 m_output = NULL; | |
| 47 } | |
| 48 } | |
| 49 void CBC_OneDimWriter::SetPrintChecksum(FX_BOOL checksum) | |
| 50 { | |
| 51 m_bPrintChecksum = checksum; | |
| 52 } | |
| 53 void CBC_OneDimWriter::SetDataLength(FX_INT32 length) | |
| 54 { | |
| 55 m_iDataLenth = length; | |
| 56 } | |
| 57 void CBC_OneDimWriter::SetCalcChecksum(FX_INT32 state) | |
| 58 { | |
| 59 m_bCalcChecksum = state; | |
| 60 } | |
| 61 FX_BOOL CBC_OneDimWriter::SetFont(CFX_Font * cFont) | |
| 62 { | |
| 63 if (cFont == NULL) { | |
| 64 return FALSE; | |
| 65 } | |
| 66 m_pFont = cFont; | |
| 67 return TRUE; | |
| 68 } | |
| 69 void CBC_OneDimWriter::SetFontSize(FX_FLOAT size) | |
| 70 { | |
| 71 m_fFontSize = size; | |
| 72 } | |
| 73 void CBC_OneDimWriter::SetFontStyle(FX_INT32 style) | |
| 74 { | |
| 75 m_iFontStyle = style; | |
| 76 } | |
| 77 void CBC_OneDimWriter::SetFontColor(FX_ARGB color) | |
| 78 { | |
| 79 m_fontColor = color; | |
| 80 } | |
| 81 FX_WCHAR CBC_OneDimWriter::Upper(FX_WCHAR ch) | |
| 82 { | |
| 83 if(ch >= 'a' && ch <= 'z') { | |
| 84 ch = ch - ('a' - 'A'); | |
| 85 } | |
| 86 return ch; | |
| 87 } | |
| 88 FX_BYTE* CBC_OneDimWriter::Encode(const CFX_ByteString &contents, BCFORMAT forma
t, | |
| 89 FX_INT32 &outWidth, FX_INT32 &outHeight, FX_IN
T32 hints, FX_INT32 &e) | |
| 90 { | |
| 91 FX_BYTE *ret = NULL; | |
| 92 outHeight = 1; | |
| 93 if (m_Width >= 20) { | |
| 94 ret = Encode(contents, outWidth, e); | |
| 95 } else { | |
| 96 ret = Encode(contents, outWidth, e); | |
| 97 } | |
| 98 BC_EXCEPTION_CHECK_ReturnValue(e, NULL); | |
| 99 return ret; | |
| 100 } | |
| 101 FX_BYTE *CBC_OneDimWriter::Encode(const CFX_ByteString &contents, BCFORMAT forma
t, | |
| 102 FX_INT32 &outWidth, FX_INT32 &outHeight, FX_IN
T32 &e) | |
| 103 { | |
| 104 FX_BYTE *ret = Encode(contents, format, outWidth, outHeight, 0, e); | |
| 105 BC_EXCEPTION_CHECK_ReturnValue(e, NULL); | |
| 106 return ret; | |
| 107 } | |
| 108 FX_INT32 CBC_OneDimWriter::AppendPattern(FX_BYTE* target, FX_INT32 pos, const FX
_INT32* pattern , FX_INT32 patternLength, FX_INT32 startColor, FX_INT32 &e) | |
| 109 { | |
| 110 if (startColor != 0 && startColor != 1) { | |
| 111 e = BCExceptionValueMustBeEither0or1; | |
| 112 return 0; | |
| 113 } | |
| 114 FX_BYTE color = (FX_BYTE) startColor; | |
| 115 FX_INT32 numAdded = 0; | |
| 116 for (FX_INT32 i = 0; i < patternLength; i++) { | |
| 117 for (FX_INT32 j = 0; j < pattern[i]; j++) { | |
| 118 target[pos] = color; | |
| 119 pos += 1; | |
| 120 numAdded += 1; | |
| 121 } | |
| 122 color ^= 1; | |
| 123 } | |
| 124 return numAdded; | |
| 125 } | |
| 126 void CBC_OneDimWriter::CalcTextInfo(const CFX_ByteString &text, FXTEXT_CHARPOS *
charPos, CFX_Font *cFont, FX_FLOAT geWidth, FX_INT32 fontSize, FX_FLOAT &charsLe
n) | |
| 127 { | |
| 128 #ifdef FXFM_ENCODING_NONE | |
| 129 IFX_FontEncodingEx* encoding = FX_CreateFontEncodingEx(cFont); | |
| 130 #else | |
| 131 IFX_FontEncoding * encoding = FXGE_CreateUnicodeEncoding(cFont); | |
| 132 #endif | |
| 133 FX_INT32 length = text.GetLength(); | |
| 134 FX_DWORD *pCharCode = FX_Alloc(FX_DWORD, text.GetLength()); | |
| 135 FX_FLOAT charWidth = 0; | |
| 136 for (FX_INT32 j = 0; j < text.GetLength(); j++) { | |
| 137 pCharCode[j] = encoding->CharCodeFromUnicode(text[j]); | |
| 138 FX_INT32 glyp_code = encoding->GlyphFromCharCode(pCharCode[j]); | |
| 139 FX_INT32 glyp_value = cFont->GetGlyphWidth(glyp_code); | |
| 140 FX_FLOAT temp = (FX_FLOAT)((glyp_value) * fontSize / 1000.0); | |
| 141 charWidth += temp; | |
| 142 } | |
| 143 charsLen = charWidth; | |
| 144 FX_FLOAT leftPositon = (FX_FLOAT)(geWidth - charsLen) / 2.0f; | |
| 145 if (leftPositon < 0 && geWidth == 0) { | |
| 146 leftPositon = 0; | |
| 147 } | |
| 148 FX_FLOAT penX = 0.0; | |
| 149 FX_FLOAT penY = (FX_FLOAT)FXSYS_abs(cFont->GetDescent()) * (FX_FLOAT)fontSiz
e / 1000.0f; | |
| 150 FX_FLOAT left = leftPositon; | |
| 151 FX_FLOAT top = 0.0; | |
| 152 charPos[0].m_OriginX = penX + left; | |
| 153 charPos[0].m_OriginY = penY + top; | |
| 154 charPos[0].m_GlyphIndex = encoding->GlyphFromCharCode(pCharCode[0]); | |
| 155 charPos[0].m_FontCharWidth = cFont->GetGlyphWidth(charPos[0].m_GlyphIndex); | |
| 156 #if _FXM_PLATFORM_ == _FXM_PLATFORM_APPLE_ | |
| 157 charPos[0].m_ExtGID = charPos[0].m_GlyphIndex; | |
| 158 #endif | |
| 159 penX += (FX_FLOAT)(charPos[0].m_FontCharWidth) * (FX_FLOAT)fontSize / 1000.0
f; | |
| 160 for (FX_INT32 i = 1; i < length; i++) { | |
| 161 charPos[i].m_OriginX = penX + left; | |
| 162 charPos[i].m_OriginY = penY + top; | |
| 163 charPos[i].m_GlyphIndex = encoding->GlyphFromCharCode(pCharCode[i]); | |
| 164 charPos[i].m_FontCharWidth = cFont->GetGlyphWidth(charPos[i].m_GlyphInde
x); | |
| 165 #if _FXM_PLATFORM_ == _FXM_PLATFORM_APPLE_ | |
| 166 charPos[i].m_ExtGID = charPos[i].m_GlyphIndex; | |
| 167 #endif | |
| 168 penX += (FX_FLOAT)(charPos[i].m_FontCharWidth) * (FX_FLOAT)fontSize / 10
00.0f; | |
| 169 } | |
| 170 FX_Free (pCharCode); | |
| 171 delete encoding; | |
| 172 encoding = NULL; | |
| 173 } | |
| 174 void CBC_OneDimWriter::ShowDeviceChars(CFX_RenderDevice *device, const CFX_Matri
x* matrix, const CFX_ByteString str, FX_FLOAT geWidth, FXTEXT_CHARPOS* pCharPos,
FX_FLOAT locX, FX_FLOAT locY, FX_INT32 barWidth) | |
| 175 { | |
| 176 FX_INT32 iFontSize = (FX_INT32)fabs(m_fFontSize); | |
| 177 FX_INT32 iTextHeight = iFontSize + 1; | |
| 178 CFX_FloatRect rect((FX_FLOAT)locX, (FX_FLOAT)locY, (FX_FLOAT)(locX + geWidth
), (FX_FLOAT)(locY + iTextHeight)); | |
| 179 if (geWidth != m_Width) { | |
| 180 rect.right -= 1; | |
| 181 } | |
| 182 matrix->TransformRect(rect); | |
| 183 FX_RECT re = rect.GetOutterRect(); | |
| 184 device->FillRect(&re, m_backgroundColor); | |
| 185 CFX_Matrix affine_matrix(1.0, 0.0, 0.0, -1.0, (FX_FLOAT)locX, (FX_FLOAT)(loc
Y + iFontSize)); | |
| 186 if (matrix != NULL) { | |
| 187 affine_matrix.Concat(*matrix); | |
| 188 } | |
| 189 FX_BOOL ret = device->DrawNormalText(str.GetLength(), | |
| 190 pCharPos, | |
| 191 m_pFont, | |
| 192 CFX_GEModule::Get()->GetFontCache(), | |
| 193 (FX_FLOAT)iFontSize, | |
| 194 (CFX_AffineMatrix *) &affine_matrix, | |
| 195 m_fontColor, FXTEXT_CLEARTYPE); | |
| 196 } | |
| 197 void CBC_OneDimWriter::ShowBitmapChars(CFX_DIBitmap *pOutBitmap, const CFX_ByteS
tring str, FX_FLOAT geWidth, FXTEXT_CHARPOS* pCharPos, FX_FLOAT locX, FX_FLOAT l
ocY, FX_INT32 barWidth) | |
| 198 { | |
| 199 FX_INT32 iFontSize = (FX_INT32)fabs(m_fFontSize); | |
| 200 FX_INT32 iTextHeight = iFontSize + 1; | |
| 201 CFX_FxgeDevice ge; | |
| 202 ge.Create((int)geWidth, iTextHeight , m_colorSpace); | |
| 203 FX_RECT geRect(0, 0, (int)geWidth, iTextHeight); | |
| 204 ge.FillRect(&geRect, m_backgroundColor); | |
| 205 CFX_AffineMatrix affine_matrix(1.0, 0.0, 0.0, -1.0, 0.0, (FX_FLOAT)iFontSize
); | |
| 206 FX_BOOL ret = ge.DrawNormalText(str.GetLength(), | |
| 207 pCharPos, | |
| 208 m_pFont, | |
| 209 CFX_GEModule::Get()->GetFontCache(), | |
| 210 (FX_FLOAT)iFontSize, | |
| 211 (CFX_AffineMatrix *) &affine_matrix, | |
| 212 m_fontColor, FXTEXT_CLEARTYPE); | |
| 213 CFX_FxgeDevice geBitmap; | |
| 214 geBitmap.Attach(pOutBitmap); | |
| 215 geBitmap.SetDIBits(ge.GetBitmap(), (int)locX, (int)locY); | |
| 216 } | |
| 217 void CBC_OneDimWriter::ShowChars(FX_WSTR contents, CFX_DIBitmap *pOutBitmap, CFX
_RenderDevice *device, const CFX_Matrix* matrix, FX_INT32 barWidth, FX_INT32 mul
tiple, FX_INT32 &e) | |
| 218 { | |
| 219 if (device == NULL && pOutBitmap == NULL) { | |
| 220 e = BCExceptionIllegalArgument; | |
| 221 return; | |
| 222 } | |
| 223 if (m_pFont == NULL) { | |
| 224 e = BCExceptionNullPointer; | |
| 225 return; | |
| 226 } | |
| 227 CFX_ByteString str = FX_UTF8Encode(contents); | |
| 228 FX_INT32 iLen = str.GetLength(); | |
| 229 FXTEXT_CHARPOS* pCharPos = FX_Alloc(FXTEXT_CHARPOS, iLen); | |
| 230 if (!pCharPos) { | |
| 231 return; | |
| 232 } | |
| 233 FXSYS_memset32(pCharPos, 0, sizeof(FXTEXT_CHARPOS) * iLen); | |
| 234 FX_FLOAT charsLen = 0; | |
| 235 FX_FLOAT geWidth = 0; | |
| 236 if ( m_locTextLoc == BC_TEXT_LOC_ABOVEEMBED || | |
| 237 m_locTextLoc == BC_TEXT_LOC_BELOWEMBED ) { | |
| 238 geWidth = 0; | |
| 239 } else if ( m_locTextLoc == BC_TEXT_LOC_ABOVE || | |
| 240 m_locTextLoc == BC_TEXT_LOC_BELOW ) { | |
| 241 geWidth = (FX_FLOAT)barWidth; | |
| 242 } | |
| 243 FX_INT32 iFontSize = (FX_INT32)fabs(m_fFontSize); | |
| 244 FX_INT32 iTextHeight = iFontSize + 1; | |
| 245 CalcTextInfo(str, pCharPos, m_pFont, geWidth, iFontSize, charsLen); | |
| 246 if (charsLen < 1) { | |
| 247 return; | |
| 248 } | |
| 249 FX_INT32 locX = 0; | |
| 250 FX_INT32 locY = 0; | |
| 251 switch (m_locTextLoc) { | |
| 252 case BC_TEXT_LOC_ABOVEEMBED: | |
| 253 locX = (FX_INT32)(barWidth - charsLen) / 2; | |
| 254 locY = 0; | |
| 255 geWidth = charsLen; | |
| 256 break; | |
| 257 case BC_TEXT_LOC_ABOVE: | |
| 258 locX = 0; | |
| 259 locY = 0; | |
| 260 geWidth = (FX_FLOAT)barWidth; | |
| 261 break; | |
| 262 case BC_TEXT_LOC_BELOWEMBED: | |
| 263 locX = (FX_INT32)(barWidth - charsLen) / 2; | |
| 264 locY = m_Height - iTextHeight; | |
| 265 geWidth = charsLen; | |
| 266 break; | |
| 267 case BC_TEXT_LOC_BELOW: | |
| 268 default: | |
| 269 locX = 0; | |
| 270 locY = m_Height - iTextHeight; | |
| 271 geWidth = (FX_FLOAT)barWidth; | |
| 272 break; | |
| 273 } | |
| 274 if (device != NULL) { | |
| 275 ShowDeviceChars(device, matrix, str, geWidth, pCharPos, (FX_FLOAT)locX,
(FX_FLOAT)locY, barWidth); | |
| 276 } else { | |
| 277 ShowBitmapChars(pOutBitmap, str, geWidth, pCharPos, (FX_FLOAT)locX, (FX_
FLOAT)locY, barWidth); | |
| 278 } | |
| 279 FX_Free(pCharPos); | |
| 280 } | |
| 281 void CBC_OneDimWriter::RenderBitmapResult(CFX_DIBitmap *&pOutBitmap, FX_WSTR con
tents, FX_INT32 &e) | |
| 282 { | |
| 283 if (m_output == NULL) { | |
| 284 BC_EXCEPTION_CHECK_ReturnVoid(e); | |
| 285 } | |
| 286 pOutBitmap = CreateDIBitmap(m_output->GetWidth(), m_output->GetHeight()); | |
| 287 pOutBitmap->Clear(m_backgroundColor); | |
| 288 if (!pOutBitmap) { | |
| 289 e = BCExceptionFailToCreateBitmap; | |
| 290 return; | |
| 291 } | |
| 292 for (FX_INT32 x = 0; x < m_output->GetWidth(); x++) { | |
| 293 for (FX_INT32 y = 0; y < m_output->GetHeight(); y++) { | |
| 294 if (m_output->Get(x, y)) { | |
| 295 pOutBitmap->SetPixel(x, y, m_barColor); | |
| 296 } | |
| 297 } | |
| 298 } | |
| 299 FX_INT32 i = 0; | |
| 300 for (; i < contents.GetLength(); i++) | |
| 301 if (contents.GetAt(i) != ' ') { | |
| 302 break; | |
| 303 } | |
| 304 if (m_locTextLoc != BC_TEXT_LOC_NONE && i < contents.GetLength()) { | |
| 305 ShowChars(contents, pOutBitmap, NULL, NULL, m_barWidth, m_multiple, e); | |
| 306 BC_EXCEPTION_CHECK_ReturnVoid(e); | |
| 307 } | |
| 308 CFX_DIBitmap * pStretchBitmap = pOutBitmap->StretchTo(m_Width, m_Height); | |
| 309 if (pOutBitmap) { | |
| 310 delete pOutBitmap; | |
| 311 } | |
| 312 pOutBitmap = pStretchBitmap; | |
| 313 } | |
| 314 void CBC_OneDimWriter::RenderDeviceResult(CFX_RenderDevice* device, const CFX_Ma
trix* matrix, FX_WSTR contents, FX_INT32 &e) | |
| 315 { | |
| 316 if (m_output == NULL) { | |
| 317 BC_EXCEPTION_CHECK_ReturnVoid(e); | |
| 318 } | |
| 319 CFX_GraphStateData stateData; | |
| 320 CFX_PathData path; | |
| 321 path.AppendRect(0, 0, (FX_FLOAT)m_Width, (FX_FLOAT)m_Height); | |
| 322 device->DrawPath(&path, matrix, &stateData, m_backgroundColor, m_backgroundC
olor, FXFILL_ALTERNATE); | |
| 323 CFX_Matrix matri(m_outputHScale, 0.0, 0.0, (FX_FLOAT)m_Height, 0.0, 0.0); | |
| 324 matri.Concat(*matrix); | |
| 325 for (FX_INT32 x = 0; x < m_output->GetWidth(); x++) { | |
| 326 for (FX_INT32 y = 0; y < m_output->GetHeight(); y++) { | |
| 327 CFX_PathData rect; | |
| 328 rect.AppendRect((FX_FLOAT)x, (FX_FLOAT)y, (FX_FLOAT)(x + 1), (FX_FLO
AT)(y + 1)); | |
| 329 CFX_GraphStateData stateData; | |
| 330 if (m_output->Get(x, y)) { | |
| 331 device->DrawPath(&rect, &matri, &stateData, m_barColor, 0, FXFIL
L_WINDING); | |
| 332 } | |
| 333 } | |
| 334 } | |
| 335 FX_INT32 i = 0; | |
| 336 for (; i < contents.GetLength(); i++) | |
| 337 if (contents.GetAt(i) != ' ') { | |
| 338 break; | |
| 339 } | |
| 340 if (m_locTextLoc != BC_TEXT_LOC_NONE && i < contents.GetLength()) { | |
| 341 ShowChars(contents, NULL, device, matrix, m_barWidth, m_multiple, e); | |
| 342 BC_EXCEPTION_CHECK_ReturnVoid(e); | |
| 343 } | |
| 344 } | |
| 345 void CBC_OneDimWriter::RenderResult(FX_WSTR contents, FX_BYTE* code, FX_INT32 co
deLength, FX_BOOL isDevice, FX_INT32 &e) | |
| 346 { | |
| 347 if (codeLength < 1) { | |
| 348 BC_EXCEPTION_CHECK_ReturnVoid(e); | |
| 349 } | |
| 350 if (m_ModuleHeight < 20.0) { | |
| 351 m_ModuleHeight = 20; | |
| 352 } | |
| 353 FX_INT32 codeOldLength = codeLength; | |
| 354 FX_INT32 leftPadding = 0; | |
| 355 FX_INT32 rightPadding = 0; | |
| 356 if (m_bLeftPadding) { | |
| 357 leftPadding = 7; | |
| 358 } | |
| 359 if (m_bRightPadding) { | |
| 360 rightPadding = 7; | |
| 361 } | |
| 362 codeLength += leftPadding; | |
| 363 codeLength += rightPadding; | |
| 364 m_outputHScale = 1.0; | |
| 365 if (m_Width > 0) { | |
| 366 m_outputHScale = (FX_FLOAT)m_Width / (FX_FLOAT)codeLength; | |
| 367 } | |
| 368 if (!isDevice) { | |
| 369 m_outputHScale = FX_MAX(m_outputHScale, m_ModuleWidth); | |
| 370 } | |
| 371 FX_FLOAT dataLengthScale = 1.0; | |
| 372 if (m_iDataLenth > 0 && contents.GetLength() != 0) { | |
| 373 dataLengthScale = FX_FLOAT(contents.GetLength()) / FX_FLOAT(m_iDataLenth
); | |
| 374 } | |
| 375 if (m_iDataLenth > 0 && contents.GetLength() == 0) { | |
| 376 dataLengthScale = FX_FLOAT(1) / FX_FLOAT(m_iDataLenth); | |
| 377 } | |
| 378 m_multiple = 1; | |
| 379 if (!isDevice) { | |
| 380 m_multiple = (FX_INT32)ceil(m_outputHScale * dataLengthScale); | |
| 381 } | |
| 382 FX_INT32 outputHeight = 1; | |
| 383 if (!isDevice) { | |
| 384 if (m_Height == 0) { | |
| 385 outputHeight = FX_MAX(20, m_ModuleHeight); | |
| 386 } else { | |
| 387 outputHeight = m_Height; | |
| 388 } | |
| 389 } | |
| 390 FX_INT32 outputWidth = codeLength; | |
| 391 if (!isDevice) { | |
| 392 outputWidth = (FX_INT32)(codeLength * m_multiple / dataLengthScale); | |
| 393 } | |
| 394 m_barWidth = m_Width; | |
| 395 if (!isDevice) { | |
| 396 m_barWidth = codeLength * m_multiple; | |
| 397 } | |
| 398 m_output = FX_NEW CBC_CommonBitMatrix; | |
| 399 m_output->Init(outputWidth, outputHeight); | |
| 400 FX_INT32 outputX = leftPadding * m_multiple; | |
| 401 for (FX_INT32 inputX = 0; inputX < codeOldLength; inputX++) { | |
| 402 if (code[inputX] == 1) { | |
| 403 if (outputX >= outputWidth ) { | |
| 404 break; | |
| 405 } | |
| 406 if (outputX + m_multiple > outputWidth && outputWidth - outputX > 0)
{ | |
| 407 m_output->SetRegion(outputX, 0, outputWidth - outputX , outputHe
ight, e); | |
| 408 break; | |
| 409 } | |
| 410 m_output->SetRegion(outputX, 0, m_multiple, outputHeight, e); | |
| 411 BC_EXCEPTION_CHECK_ReturnVoid(e); | |
| 412 } | |
| 413 outputX += m_multiple; | |
| 414 } | |
| 415 } | |
| OLD | NEW |
|---|
Chromium Code Reviews
Issue 842043002:
Organize barcode codes into modules. (Closed)
Base URL: https://pdfium.googlesource.com/pdfium.git@xfa