| // Copyright 2014 PDFium Authors. All rights reserved. |
| // Use of this source code is governed by a BSD-style license that can be |
| // found in the LICENSE file. |
| |
| // Original code copyright 2014 Foxit Software Inc. http://www.foxitsoftware.com |
| // Original code is licensed as follows: |
| /* |
| * Copyright 2009 ZXing authors |
| * |
| * Licensed under the Apache License, Version 2.0 (the "License"); |
| * you may not use this file except in compliance with the License. |
| * You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| |
| #include "core/fxge/cfx_fxgedevice.h" |
| #include "core/fxge/cfx_gemodule.h" |
| #include "xfa/fxbarcode/BC_Writer.h" |
| #include "xfa/fxbarcode/oned/BC_OneDimWriter.h" |
| #include "xfa/fxbarcode/oned/BC_OnedEAN13Writer.h" |
| |
| namespace { |
| |
| const int32_t FIRST_DIGIT_ENCODINGS[10] = {0x00, 0x0B, 0x0D, 0xE, 0x13, |
| 0x19, 0x1C, 0x15, 0x16, 0x1A}; |
| const int32_t START_END_PATTERN[3] = {1, 1, 1}; |
| const int32_t MIDDLE_PATTERN[5] = {1, 1, 1, 1, 1}; |
| const int32_t L_PATTERNS[10][4] = { |
| {3, 2, 1, 1}, {2, 2, 2, 1}, {2, 1, 2, 2}, {1, 4, 1, 1}, {1, 1, 3, 2}, |
| {1, 2, 3, 1}, {1, 1, 1, 4}, {1, 3, 1, 2}, {1, 2, 1, 3}, {3, 1, 1, 2}}; |
| const int32_t L_AND_G_PATTERNS[20][4] = { |
| {3, 2, 1, 1}, {2, 2, 2, 1}, {2, 1, 2, 2}, {1, 4, 1, 1}, {1, 1, 3, 2}, |
| {1, 2, 3, 1}, {1, 1, 1, 4}, {1, 3, 1, 2}, {1, 2, 1, 3}, {3, 1, 1, 2}, |
| {1, 1, 2, 3}, {1, 2, 2, 2}, {2, 2, 1, 2}, {1, 1, 4, 1}, {2, 3, 1, 1}, |
| {1, 3, 2, 1}, {4, 1, 1, 1}, {2, 1, 3, 1}, {3, 1, 2, 1}, {2, 1, 1, 3}}; |
| |
| } // namespace |
| |
| CBC_OnedEAN13Writer::CBC_OnedEAN13Writer() { |
| m_bLeftPadding = true; |
| m_codeWidth = 3 + (7 * 6) + 5 + (7 * 6) + 3; |
| } |
| CBC_OnedEAN13Writer::~CBC_OnedEAN13Writer() {} |
| bool CBC_OnedEAN13Writer::CheckContentValidity( |
| const CFX_WideStringC& contents) { |
| for (int32_t i = 0; i < contents.GetLength(); i++) { |
| if (contents.GetAt(i) >= '0' && contents.GetAt(i) <= '9') { |
| continue; |
| } else { |
| return false; |
| } |
| } |
| return true; |
| } |
| CFX_WideString CBC_OnedEAN13Writer::FilterContents( |
| const CFX_WideStringC& contents) { |
| CFX_WideString filtercontents; |
| FX_WCHAR ch; |
| for (int32_t i = 0; i < contents.GetLength(); i++) { |
| ch = contents.GetAt(i); |
| if (ch > 175) { |
| i++; |
| continue; |
| } |
| if (ch >= '0' && ch <= '9') { |
| filtercontents += ch; |
| } |
| } |
| return filtercontents; |
| } |
| int32_t CBC_OnedEAN13Writer::CalcChecksum(const CFX_ByteString& contents) { |
| int32_t odd = 0; |
| int32_t even = 0; |
| int32_t j = 1; |
| for (int32_t i = contents.GetLength() - 1; i >= 0; i--) { |
| if (j % 2) { |
| odd += FXSYS_atoi(contents.Mid(i, 1).c_str()); |
| } else { |
| even += FXSYS_atoi(contents.Mid(i, 1).c_str()); |
| } |
| j++; |
| } |
| int32_t checksum = (odd * 3 + even) % 10; |
| checksum = (10 - checksum) % 10; |
| return (checksum); |
| } |
| uint8_t* CBC_OnedEAN13Writer::Encode(const CFX_ByteString& contents, |
| BCFORMAT format, |
| int32_t& outWidth, |
| int32_t& outHeight, |
| int32_t& e) { |
| uint8_t* ret = Encode(contents, format, outWidth, outHeight, 0, e); |
| BC_EXCEPTION_CHECK_ReturnValue(e, nullptr); |
| return ret; |
| } |
| uint8_t* CBC_OnedEAN13Writer::Encode(const CFX_ByteString& contents, |
| BCFORMAT format, |
| int32_t& outWidth, |
| int32_t& outHeight, |
| int32_t hints, |
| int32_t& e) { |
| if (format != BCFORMAT_EAN_13) { |
| e = BCExceptionOnlyEncodeEAN_13; |
| } |
| uint8_t* ret = |
| CBC_OneDimWriter::Encode(contents, format, outWidth, outHeight, hints, e); |
| BC_EXCEPTION_CHECK_ReturnValue(e, nullptr); |
| return ret; |
| } |
| uint8_t* CBC_OnedEAN13Writer::Encode(const CFX_ByteString& contents, |
| int32_t& outLength, |
| int32_t& e) { |
| if (contents.GetLength() != 13) { |
| e = BCExceptionDigitLengthShould13; |
| return nullptr; |
| } |
| m_iDataLenth = 13; |
| int32_t firstDigit = FXSYS_atoi(contents.Mid(0, 1).c_str()); |
| int32_t parities = FIRST_DIGIT_ENCODINGS[firstDigit]; |
| outLength = m_codeWidth; |
| uint8_t* result = FX_Alloc(uint8_t, m_codeWidth); |
| int32_t pos = 0; |
| pos += AppendPattern(result, pos, START_END_PATTERN, 3, 1, e); |
| if (e != BCExceptionNO) { |
| FX_Free(result); |
| return nullptr; |
| } |
| int32_t i = 0; |
| for (i = 1; i <= 6; i++) { |
| int32_t digit = FXSYS_atoi(contents.Mid(i, 1).c_str()); |
| if ((parities >> (6 - i) & 1) == 1) { |
| digit += 10; |
| } |
| pos += AppendPattern(result, pos, L_AND_G_PATTERNS[digit], 4, 0, e); |
| if (e != BCExceptionNO) { |
| FX_Free(result); |
| return nullptr; |
| } |
| } |
| pos += AppendPattern(result, pos, MIDDLE_PATTERN, 5, 0, e); |
| if (e != BCExceptionNO) { |
| FX_Free(result); |
| return nullptr; |
| } |
| for (i = 7; i <= 12; i++) { |
| int32_t digit = FXSYS_atoi(contents.Mid(i, 1).c_str()); |
| pos += AppendPattern(result, pos, L_PATTERNS[digit], 4, 1, e); |
| if (e != BCExceptionNO) { |
| FX_Free(result); |
| return nullptr; |
| } |
| } |
| pos += AppendPattern(result, pos, START_END_PATTERN, 3, 1, e); |
| if (e != BCExceptionNO) { |
| FX_Free(result); |
| return nullptr; |
| } |
| return result; |
| } |
| |
| void CBC_OnedEAN13Writer::ShowChars(const CFX_WideStringC& contents, |
| CFX_DIBitmap* pOutBitmap, |
| CFX_RenderDevice* device, |
| const CFX_Matrix* matrix, |
| int32_t barWidth, |
| int32_t multiple, |
| int32_t& e) { |
| if (!device && !pOutBitmap) { |
| e = BCExceptionIllegalArgument; |
| return; |
| } |
| int32_t leftPadding = 7 * multiple; |
| int32_t leftPosition = 3 * multiple + leftPadding; |
| CFX_ByteString str = FX_UTF8Encode(contents); |
| int32_t iLen = str.GetLength(); |
| FXTEXT_CHARPOS* pCharPos = FX_Alloc(FXTEXT_CHARPOS, iLen); |
| FXSYS_memset(pCharPos, 0, sizeof(FXTEXT_CHARPOS) * iLen); |
| CFX_FxgeDevice geBitmap; |
| if (pOutBitmap) |
| geBitmap.Attach(pOutBitmap, false, nullptr, false); |
| |
| int32_t iFontSize = (int32_t)fabs(m_fFontSize); |
| int32_t iTextHeight = iFontSize + 1; |
| CFX_ByteString tempStr = str.Mid(1, 6); |
| int32_t strWidth = multiple * 42; |
| if (!pOutBitmap) { |
| CFX_Matrix matr(m_outputHScale, 0.0, 0.0, 1.0, 0.0, 0.0); |
| CFX_FloatRect rect( |
| (FX_FLOAT)leftPosition, (FX_FLOAT)(m_Height - iTextHeight), |
| (FX_FLOAT)(leftPosition + strWidth - 0.5), (FX_FLOAT)m_Height); |
| matr.Concat(*matrix); |
| matr.TransformRect(rect); |
| FX_RECT re = rect.GetOuterRect(); |
| device->FillRect(&re, m_backgroundColor); |
| 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); |
| CFX_Matrix matr1(m_outputHScale, 0.0, 0.0, 1.0, 0.0, 0.0); |
| matr1.Concat(*matrix); |
| matr1.TransformRect(rect1); |
| re = rect1.GetOuterRect(); |
| device->FillRect(&re, m_backgroundColor); |
| int32_t strWidth1 = multiple * 7; |
| CFX_Matrix matr2(m_outputHScale, 0.0f, 0.0f, 1.0f, 0.0f, 0.0f); |
| CFX_FloatRect rect2(0.0f, (FX_FLOAT)(m_Height - iTextHeight), |
| (FX_FLOAT)strWidth1 - 0.5f, (FX_FLOAT)m_Height); |
| matr2.Concat(*matrix); |
| matr2.TransformRect(rect2); |
| re = rect2.GetOuterRect(); |
| device->FillRect(&re, m_backgroundColor); |
| } |
| FX_FLOAT blank = 0.0; |
| iLen = tempStr.GetLength(); |
| if (!pOutBitmap) { |
| strWidth = (int32_t)(strWidth * m_outputHScale); |
| } |
| CalcTextInfo(tempStr, pCharPos + 1, m_pFont, (FX_FLOAT)strWidth, iFontSize, |
| blank); |
| CFX_Matrix affine_matrix(1.0, 0.0, 0.0, -1.0, 0.0, (FX_FLOAT)iFontSize); |
| CFX_FxgeDevice ge; |
| if (pOutBitmap) { |
| ge.Create(strWidth, iTextHeight, FXDIB_Argb, nullptr); |
| FX_RECT rect(0, 0, strWidth, iTextHeight); |
| ge.FillRect(&rect, m_backgroundColor); |
| ge.DrawNormalText(iLen, pCharPos + 1, m_pFont, (FX_FLOAT)iFontSize, |
| &affine_matrix, m_fontColor, FXTEXT_CLEARTYPE); |
| geBitmap.SetDIBits(ge.GetBitmap(), leftPosition, m_Height - iTextHeight); |
| } else { |
| CFX_Matrix affine_matrix1(1.0, 0.0, 0.0, -1.0, |
| (FX_FLOAT)leftPosition * m_outputHScale, |
| (FX_FLOAT)(m_Height - iTextHeight) + iFontSize); |
| if (matrix) { |
| affine_matrix1.Concat(*matrix); |
| } |
| device->DrawNormalText(iLen, pCharPos + 1, m_pFont, (FX_FLOAT)iFontSize, |
| &affine_matrix1, m_fontColor, FXTEXT_CLEARTYPE); |
| } |
| tempStr = str.Mid(7, 6); |
| iLen = tempStr.GetLength(); |
| CalcTextInfo(tempStr, pCharPos + 7, m_pFont, (FX_FLOAT)strWidth, iFontSize, |
| blank); |
| if (pOutBitmap) { |
| FX_RECT rect1(0, 0, strWidth, iTextHeight); |
| ge.FillRect(&rect1, m_backgroundColor); |
| ge.DrawNormalText(iLen, pCharPos + 7, m_pFont, (FX_FLOAT)iFontSize, |
| &affine_matrix, m_fontColor, FXTEXT_CLEARTYPE); |
| geBitmap.SetDIBits(ge.GetBitmap(), leftPosition + 47 * multiple, |
| m_Height - iTextHeight); |
| } else { |
| CFX_Matrix affine_matrix1( |
| 1.0, 0.0, 0.0, -1.0, |
| (FX_FLOAT)(leftPosition + 47 * multiple) * m_outputHScale, |
| (FX_FLOAT)(m_Height - iTextHeight + iFontSize)); |
| if (matrix) { |
| affine_matrix1.Concat(*matrix); |
| } |
| device->DrawNormalText(iLen, pCharPos + 7, m_pFont, (FX_FLOAT)iFontSize, |
| &affine_matrix1, m_fontColor, FXTEXT_CLEARTYPE); |
| } |
| tempStr = str.Mid(0, 1); |
| iLen = tempStr.GetLength(); |
| strWidth = multiple * 7; |
| if (!pOutBitmap) |
| strWidth = (int32_t)(strWidth * m_outputHScale); |
| |
| CalcTextInfo(tempStr, pCharPos, m_pFont, (FX_FLOAT)strWidth, iFontSize, |
| blank); |
| if (pOutBitmap) { |
| delete ge.GetBitmap(); |
| ge.Create(strWidth, iTextHeight, FXDIB_Argb, nullptr); |
| ge.GetBitmap()->Clear(m_backgroundColor); |
| ge.DrawNormalText(iLen, pCharPos, m_pFont, (FX_FLOAT)iFontSize, |
| &affine_matrix, m_fontColor, FXTEXT_CLEARTYPE); |
| geBitmap.SetDIBits(ge.GetBitmap(), 0, m_Height - iTextHeight); |
| } else { |
| CFX_Matrix affine_matrix1(1.0, 0.0, 0.0, -1.0, 0.0, |
| (FX_FLOAT)(m_Height - iTextHeight + iFontSize)); |
| if (matrix) { |
| affine_matrix1.Concat(*matrix); |
| } |
| device->DrawNormalText(iLen, pCharPos, m_pFont, (FX_FLOAT)iFontSize, |
| &affine_matrix1, m_fontColor, FXTEXT_CLEARTYPE); |
| } |
| FX_Free(pCharPos); |
| } |
| |
| void CBC_OnedEAN13Writer::RenderResult(const CFX_WideStringC& contents, |
| uint8_t* code, |
| int32_t codeLength, |
| bool isDevice, |
| int32_t& e) { |
| CBC_OneDimWriter::RenderResult(contents, code, codeLength, isDevice, e); |
| } |
