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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 2010 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 "core/fxge/cfx_fxgedevice.h"
     24 #include "core/fxge/cfx_gemodule.h"
     25 #include "third_party/base/ptr_util.h"
     26 #include "xfa/fxbarcode/BC_Writer.h"
     27 #include "xfa/fxbarcode/oned/BC_OneDimWriter.h"
     28 #include "xfa/fxbarcode/oned/BC_OnedEAN13Writer.h"
     29 #include "xfa/fxbarcode/oned/BC_OnedUPCAWriter.h"
     30 
     31 CBC_OnedUPCAWriter::CBC_OnedUPCAWriter() {
     32   m_bLeftPadding = true;
     33   m_bRightPadding = true;
     34 }
     35 
     36 void CBC_OnedUPCAWriter::Init() {
     37   m_subWriter = pdfium::MakeUnique<CBC_OnedEAN13Writer>();
     38 }
     39 
     40 CBC_OnedUPCAWriter::~CBC_OnedUPCAWriter() {}
     41 
     42 bool CBC_OnedUPCAWriter::CheckContentValidity(const CFX_WideStringC& contents) {
     43   for (FX_STRSIZE i = 0; i < contents.GetLength(); ++i) {
     44     if (contents.GetAt(i) < '0' || contents.GetAt(i) > '9')
     45       return false;
     46   }
     47   return true;
     48 }
     49 
     50 CFX_WideString CBC_OnedUPCAWriter::FilterContents(
     51     const CFX_WideStringC& contents) {
     52   CFX_WideString filtercontents;
     53   FX_WCHAR ch;
     54   for (int32_t i = 0; i < contents.GetLength(); i++) {
     55     ch = contents.GetAt(i);
     56     if (ch > 175) {
     57       i++;
     58       continue;
     59     }
     60     if (ch >= '0' && ch <= '9') {
     61       filtercontents += ch;
     62     }
     63   }
     64   return filtercontents;
     65 }
     66 
     67 int32_t CBC_OnedUPCAWriter::CalcChecksum(const CFX_ByteString& contents) {
     68   int32_t odd = 0;
     69   int32_t even = 0;
     70   int32_t j = 1;
     71   for (int32_t i = contents.GetLength() - 1; i >= 0; i--) {
     72     if (j % 2) {
     73       odd += FXSYS_atoi(contents.Mid(i, 1).c_str());
     74     } else {
     75       even += FXSYS_atoi(contents.Mid(i, 1).c_str());
     76     }
     77     j++;
     78   }
     79   int32_t checksum = (odd * 3 + even) % 10;
     80   checksum = (10 - checksum) % 10;
     81   return (checksum);
     82 }
     83 
     84 uint8_t* CBC_OnedUPCAWriter::Encode(const CFX_ByteString& contents,
     85                                     BCFORMAT format,
     86                                     int32_t& outWidth,
     87                                     int32_t& outHeight,
     88                                     int32_t& e) {
     89   uint8_t* ret = Encode(contents, format, outWidth, outHeight, 0, e);
     90   if (e != BCExceptionNO)
     91     return nullptr;
     92   return ret;
     93 }
     94 
     95 uint8_t* CBC_OnedUPCAWriter::Encode(const CFX_ByteString& contents,
     96                                     BCFORMAT format,
     97                                     int32_t& outWidth,
     98                                     int32_t& outHeight,
     99                                     int32_t hints,
    100                                     int32_t& e) {
    101   if (format != BCFORMAT_UPC_A) {
    102     e = BCExceptionOnlyEncodeUPC_A;
    103     return nullptr;
    104   }
    105   CFX_ByteString toEAN13String = '0' + contents;
    106   m_iDataLenth = 13;
    107   uint8_t* ret = m_subWriter->Encode(toEAN13String, BCFORMAT_EAN_13, outWidth,
    108                                      outHeight, hints, e);
    109   if (e != BCExceptionNO)
    110     return nullptr;
    111   return ret;
    112 }
    113 
    114 uint8_t* CBC_OnedUPCAWriter::Encode(const CFX_ByteString& contents,
    115                                     int32_t& outLength,
    116                                     int32_t& e) {
    117   return nullptr;
    118 }
    119 
    120 void CBC_OnedUPCAWriter::ShowChars(const CFX_WideStringC& contents,
    121                                    CFX_DIBitmap* pOutBitmap,
    122                                    CFX_RenderDevice* device,
    123                                    const CFX_Matrix* matrix,
    124                                    int32_t barWidth,
    125                                    int32_t multiple,
    126                                    int32_t& e) {
    127   if (!device && !pOutBitmap) {
    128     e = BCExceptionIllegalArgument;
    129     return;
    130   }
    131 
    132   int32_t leftPadding = 7 * multiple;
    133   int32_t leftPosition = 10 * multiple + leftPadding;
    134   CFX_ByteString str = FX_UTF8Encode(contents);
    135   int32_t iLen = str.GetLength();
    136   FXTEXT_CHARPOS* pCharPos = FX_Alloc(FXTEXT_CHARPOS, iLen);
    137   FXSYS_memset(pCharPos, 0, sizeof(FXTEXT_CHARPOS) * iLen);
    138   CFX_ByteString tempStr = str.Mid(1, 5);
    139   FX_FLOAT strWidth = (FX_FLOAT)35 * multiple;
    140   FX_FLOAT blank = 0.0;
    141   CFX_FxgeDevice geBitmap;
    142   if (pOutBitmap)
    143     geBitmap.Attach(pOutBitmap, false, nullptr, false);
    144 
    145   iLen = tempStr.GetLength();
    146   int32_t iFontSize = (int32_t)fabs(m_fFontSize);
    147   int32_t iTextHeight = iFontSize + 1;
    148   if (!pOutBitmap) {
    149     CFX_Matrix matr(m_outputHScale, 0.0, 0.0, 1.0, 0.0, 0.0);
    150     CFX_FloatRect rect(
    151         (FX_FLOAT)leftPosition, (FX_FLOAT)(m_Height - iTextHeight),
    152         (FX_FLOAT)(leftPosition + strWidth - 0.5), (FX_FLOAT)m_Height);
    153     matr.Concat(*matrix);
    154     matr.TransformRect(rect);
    155     FX_RECT re = rect.GetOuterRect();
    156     device->FillRect(&re, m_backgroundColor);
    157     CFX_Matrix matr1(m_outputHScale, 0.0, 0.0, 1.0, 0.0, 0.0);
    158     CFX_FloatRect rect1(
    159         (FX_FLOAT)(leftPosition + 40 * multiple),
    160         (FX_FLOAT)(m_Height - iTextHeight),
    161         (FX_FLOAT)((leftPosition + 40 * multiple) + strWidth - 0.5),
    162         (FX_FLOAT)m_Height);
    163     matr1.Concat(*matrix);
    164     matr1.TransformRect(rect1);
    165     re = rect1.GetOuterRect();
    166     device->FillRect(&re, m_backgroundColor);
    167     FX_FLOAT strWidth1 = (FX_FLOAT)multiple * 7;
    168     CFX_Matrix matr2(m_outputHScale, 0.0, 0.0, 1.0, 0.0, 0.0);
    169     CFX_FloatRect rect2(0.0, (FX_FLOAT)(m_Height - iTextHeight),
    170                         (FX_FLOAT)strWidth1 - 1, (FX_FLOAT)m_Height);
    171     matr2.Concat(*matrix);
    172     matr2.TransformRect(rect2);
    173     re = rect2.GetOuterRect();
    174     device->FillRect(&re, m_backgroundColor);
    175     CFX_Matrix matr3(m_outputHScale, 0.0, 0.0, 1.0, 0.0, 0.0);
    176     CFX_FloatRect rect3(
    177         (FX_FLOAT)(leftPosition + 85 * multiple),
    178         (FX_FLOAT)(m_Height - iTextHeight),
    179         (FX_FLOAT)((leftPosition + 85 * multiple) + strWidth1 - 0.5),
    180         (FX_FLOAT)m_Height);
    181     matr3.Concat(*matrix);
    182     matr3.TransformRect(rect3);
    183     re = rect3.GetOuterRect();
    184     device->FillRect(&re, m_backgroundColor);
    185   }
    186   if (!pOutBitmap)
    187     strWidth = strWidth * m_outputHScale;
    188 
    189   CalcTextInfo(tempStr, pCharPos + 1, m_pFont, strWidth, iFontSize, blank);
    190   CFX_Matrix affine_matrix(1.0, 0.0, 0.0, -1.0, 0.0, (FX_FLOAT)iFontSize);
    191   CFX_FxgeDevice ge;
    192   if (pOutBitmap) {
    193     ge.Create((int)strWidth, iTextHeight, FXDIB_Argb, nullptr);
    194     ge.GetBitmap()->Clear(m_backgroundColor);
    195     ge.DrawNormalText(iLen, pCharPos + 1, m_pFont,
    196                       static_cast<FX_FLOAT>(iFontSize), &affine_matrix,
    197                       m_fontColor, FXTEXT_CLEARTYPE);
    198     geBitmap.SetDIBits(ge.GetBitmap(), leftPosition, m_Height - iTextHeight);
    199   } else {
    200     CFX_Matrix affine_matrix1(1.0, 0.0, 0.0, -1.0,
    201                               (FX_FLOAT)leftPosition * m_outputHScale,
    202                               (FX_FLOAT)(m_Height - iTextHeight + iFontSize));
    203     if (matrix) {
    204       affine_matrix1.Concat(*matrix);
    205     }
    206     device->DrawNormalText(iLen, pCharPos + 1, m_pFont,
    207                            static_cast<FX_FLOAT>(iFontSize), &affine_matrix1,
    208                            m_fontColor, FXTEXT_CLEARTYPE);
    209   }
    210   tempStr = str.Mid(6, 5);
    211   iLen = tempStr.GetLength();
    212   CalcTextInfo(tempStr, pCharPos + 6, m_pFont, strWidth, iFontSize, blank);
    213   if (pOutBitmap) {
    214     FX_RECT rect2(0, 0, (int)strWidth, iTextHeight);
    215     ge.FillRect(&rect2, m_backgroundColor);
    216     ge.DrawNormalText(iLen, pCharPos + 6, m_pFont,
    217                       static_cast<FX_FLOAT>(iFontSize), &affine_matrix,
    218                       m_fontColor, FXTEXT_CLEARTYPE);
    219     geBitmap.SetDIBits(ge.GetBitmap(), leftPosition + 40 * multiple,
    220                        m_Height - iTextHeight);
    221   } else {
    222     CFX_Matrix affine_matrix1(
    223         1.0, 0.0, 0.0, -1.0,
    224         (FX_FLOAT)(leftPosition + 40 * multiple) * m_outputHScale,
    225         (FX_FLOAT)(m_Height - iTextHeight + iFontSize));
    226     if (matrix) {
    227       affine_matrix1.Concat(*matrix);
    228     }
    229     device->DrawNormalText(iLen, pCharPos + 6, m_pFont,
    230                            static_cast<FX_FLOAT>(iFontSize), &affine_matrix1,
    231                            m_fontColor, FXTEXT_CLEARTYPE);
    232   }
    233   tempStr = str.Mid(0, 1);
    234   iLen = tempStr.GetLength();
    235   strWidth = (FX_FLOAT)multiple * 7;
    236   if (!pOutBitmap)
    237     strWidth = strWidth * m_outputHScale;
    238 
    239   CalcTextInfo(tempStr, pCharPos, m_pFont, strWidth, iFontSize, blank);
    240   if (pOutBitmap) {
    241     delete ge.GetBitmap();
    242     ge.Create((int)strWidth, iTextHeight, FXDIB_Argb, nullptr);
    243     ge.GetBitmap()->Clear(m_backgroundColor);
    244     ge.DrawNormalText(iLen, pCharPos, m_pFont, static_cast<FX_FLOAT>(iFontSize),
    245                       &affine_matrix, m_fontColor, FXTEXT_CLEARTYPE);
    246     geBitmap.SetDIBits(ge.GetBitmap(), 0, m_Height - iTextHeight);
    247   } else {
    248     CFX_Matrix affine_matrix1(1.0, 0.0, 0.0, -1.0, 0,
    249                               (FX_FLOAT)(m_Height - iTextHeight + iFontSize));
    250     if (matrix) {
    251       affine_matrix1.Concat(*matrix);
    252     }
    253     device->DrawNormalText(iLen, pCharPos, m_pFont,
    254                            static_cast<FX_FLOAT>(iFontSize), &affine_matrix1,
    255                            m_fontColor, FXTEXT_CLEARTYPE);
    256   }
    257   tempStr = str.Mid(11, 1);
    258   iLen = tempStr.GetLength();
    259   CalcTextInfo(tempStr, pCharPos + 11, m_pFont, strWidth, iFontSize, blank);
    260   if (pOutBitmap) {
    261     delete ge.GetBitmap();
    262     ge.Create((int)strWidth, iTextHeight, FXDIB_Argb, nullptr);
    263     ge.GetBitmap()->Clear(m_backgroundColor);
    264     ge.DrawNormalText(iLen, pCharPos + 11, m_pFont,
    265                       static_cast<FX_FLOAT>(iFontSize), &affine_matrix,
    266                       m_fontColor, FXTEXT_CLEARTYPE);
    267     geBitmap.SetDIBits(ge.GetBitmap(), leftPosition + 85 * multiple,
    268                        m_Height - iTextHeight);
    269   } else {
    270     CFX_Matrix affine_matrix1(
    271         1.0, 0.0, 0.0, -1.0,
    272         (FX_FLOAT)(leftPosition + 85 * multiple) * m_outputHScale,
    273         (FX_FLOAT)(m_Height - iTextHeight + iFontSize));
    274     if (matrix) {
    275       affine_matrix1.Concat(*matrix);
    276     }
    277     device->DrawNormalText(iLen, pCharPos + 11, m_pFont,
    278                            static_cast<FX_FLOAT>(iFontSize), &affine_matrix1,
    279                            m_fontColor, FXTEXT_CLEARTYPE);
    280   }
    281   FX_Free(pCharPos);
    282 }
    283 
    284 void CBC_OnedUPCAWriter::RenderResult(const CFX_WideStringC& contents,
    285                                       uint8_t* code,
    286                                       int32_t codeLength,
    287                                       bool isDevice,
    288                                       int32_t& e) {
    289   CBC_OneDimWriter::RenderResult(contents, code, codeLength, isDevice, e);
    290 }
    291