diff options
Diffstat (limited to 'fxbarcode/oned/BC_OnedEAN8Writer.cpp')
| -rw-r--r-- | fxbarcode/oned/BC_OnedEAN8Writer.cpp | 268 |
1 files changed, 268 insertions, 0 deletions
diff --git a/fxbarcode/oned/BC_OnedEAN8Writer.cpp b/fxbarcode/oned/BC_OnedEAN8Writer.cpp new file mode 100644 index 0000000000..5d1666da98 --- /dev/null +++ b/fxbarcode/oned/BC_OnedEAN8Writer.cpp @@ -0,0 +1,268 @@ +// 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 "fxbarcode/BC_Writer.h" +#include "fxbarcode/common/BC_CommonBitMatrix.h" +#include "fxbarcode/oned/BC_OneDimWriter.h" +#include "fxbarcode/oned/BC_OnedEAN8Writer.h" + +namespace { + +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}}; + +} // namespace + +CBC_OnedEAN8Writer::CBC_OnedEAN8Writer() { + m_iDataLenth = 8; + m_codeWidth = 3 + (7 * 4) + 5 + (7 * 4) + 3; +} +CBC_OnedEAN8Writer::~CBC_OnedEAN8Writer() {} +void CBC_OnedEAN8Writer::SetDataLength(int32_t length) { + m_iDataLenth = 8; +} +bool CBC_OnedEAN8Writer::SetTextLocation(BC_TEXT_LOC location) { + if (location == BC_TEXT_LOC_BELOWEMBED) { + m_locTextLoc = location; + return true; + } + return false; +} +bool CBC_OnedEAN8Writer::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_OnedEAN8Writer::FilterContents( + const CFX_WideStringC& contents) { + CFX_WideString filtercontents; + wchar_t 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_OnedEAN8Writer::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_OnedEAN8Writer::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); + if (e != BCExceptionNO) + return nullptr; + return ret; +} +uint8_t* CBC_OnedEAN8Writer::Encode(const CFX_ByteString& contents, + BCFORMAT format, + int32_t& outWidth, + int32_t& outHeight, + int32_t hints, + int32_t& e) { + if (format != BCFORMAT_EAN_8) { + e = BCExceptionOnlyEncodeEAN_8; + return nullptr; + } + uint8_t* ret = + CBC_OneDimWriter::Encode(contents, format, outWidth, outHeight, hints, e); + if (e != BCExceptionNO) + return nullptr; + return ret; +} +uint8_t* CBC_OnedEAN8Writer::Encode(const CFX_ByteString& contents, + int32_t& outLength, + int32_t& e) { + if (contents.GetLength() != 8) { + e = BCExceptionDigitLengthMustBe8; + return nullptr; + } + 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 = 0; i <= 3; i++) { + int32_t digit = FXSYS_atoi(contents.Mid(i, 1).c_str()); + pos += AppendPattern(result, pos, L_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 = 4; i <= 7; 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_OnedEAN8Writer::ShowChars( + const CFX_WideStringC& contents, + const CFX_RetainPtr<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 leftPosition = 3 * multiple; + CFX_ByteString str = FX_UTF8Encode(contents); + int32_t iLength = str.GetLength(); + FXTEXT_CHARPOS* pCharPos = FX_Alloc(FXTEXT_CHARPOS, iLength); + FXSYS_memset(pCharPos, 0, sizeof(FXTEXT_CHARPOS) * iLength); + CFX_ByteString tempStr = str.Mid(0, 4); + int32_t iLen = tempStr.GetLength(); + int32_t strWidth = 7 * multiple * 4; + float blank = 0.0; + CFX_FxgeDevice geBitmap; + if (pOutBitmap) + geBitmap.Attach(pOutBitmap, false, nullptr, false); + + int32_t iFontSize = (int32_t)fabs(m_fFontSize); + int32_t iTextHeight = iFontSize + 1; + if (!pOutBitmap) { + CFX_Matrix matr(m_outputHScale, 0.0, 0.0, 1.0, 0.0, 0.0); + CFX_FloatRect rect((float)leftPosition, (float)(m_Height - iTextHeight), + (float)(leftPosition + strWidth - 0.5), (float)m_Height); + matr.Concat(*matrix); + matr.TransformRect(rect); + FX_RECT re = rect.GetOuterRect(); + device->FillRect(&re, m_backgroundColor); + CFX_Matrix matr1(m_outputHScale, 0.0, 0.0, 1.0, 0.0, 0.0); + CFX_FloatRect rect1((float)(leftPosition + 33 * multiple), + (float)(m_Height - iTextHeight), + (float)(leftPosition + 33 * multiple + strWidth - 0.5), + (float)m_Height); + matr1.Concat(*matrix); + matr1.TransformRect(rect1); + re = rect1.GetOuterRect(); + device->FillRect(&re, m_backgroundColor); + } + if (!pOutBitmap) + strWidth = (int32_t)(strWidth * m_outputHScale); + + CalcTextInfo(tempStr, pCharPos, m_pFont, (float)strWidth, iFontSize, blank); + CFX_Matrix affine_matrix(1.0, 0.0, 0.0, -1.0, 0.0, (float)iFontSize); + CFX_FxgeDevice ge; + if (pOutBitmap) { + ge.Create(strWidth, iTextHeight, FXDIB_Argb, nullptr); + ge.GetBitmap()->Clear(m_backgroundColor); + ge.DrawNormalText(iLen, pCharPos, m_pFont, static_cast<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, + (float)leftPosition * m_outputHScale, + (float)(m_Height - iTextHeight + iFontSize)); + affine_matrix1.Concat(*matrix); + device->DrawNormalText(iLen, pCharPos, m_pFont, + static_cast<float>(iFontSize), &affine_matrix1, + m_fontColor, FXTEXT_CLEARTYPE); + } + tempStr = str.Mid(4, 4); + iLen = tempStr.GetLength(); + CalcTextInfo(tempStr, pCharPos + 4, m_pFont, (float)strWidth, iFontSize, + blank); + if (pOutBitmap) { + ge.Create(strWidth, iTextHeight, FXDIB_Argb, nullptr); + ge.GetBitmap()->Clear(m_backgroundColor); + ge.DrawNormalText(iLen, pCharPos + 4, m_pFont, + static_cast<float>(iFontSize), &affine_matrix, + m_fontColor, FXTEXT_CLEARTYPE); + geBitmap.SetDIBits(ge.GetBitmap(), leftPosition + 33 * multiple, + m_Height - iTextHeight); + } else { + CFX_Matrix affine_matrix1( + 1.0, 0.0, 0.0, -1.0, + (float)(leftPosition + 33 * multiple) * m_outputHScale, + (float)(m_Height - iTextHeight + iFontSize)); + if (matrix) { + affine_matrix1.Concat(*matrix); + } + device->DrawNormalText(iLen, pCharPos + 4, m_pFont, + static_cast<float>(iFontSize), &affine_matrix1, + m_fontColor, FXTEXT_CLEARTYPE); + } + FX_Free(pCharPos); +} + +void CBC_OnedEAN8Writer::RenderResult(const CFX_WideStringC& contents, + uint8_t* code, + int32_t codeLength, + bool isDevice, + int32_t& e) { + CBC_OneDimWriter::RenderResult(contents, code, codeLength, isDevice, e); +} |