| // 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 2010 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 "fxbarcode/oned/BC_OnedUPCAWriter.h" |
| |
| #include <algorithm> |
| #include <vector> |
| |
| #include "core/fxcrt/fx_extension.h" |
| #include "core/fxge/cfx_defaultrenderdevice.h" |
| #include "core/fxge/text_char_pos.h" |
| #include "fxbarcode/BC_Writer.h" |
| #include "fxbarcode/oned/BC_OneDimWriter.h" |
| #include "fxbarcode/oned/BC_OnedEAN13Writer.h" |
| |
| CBC_OnedUPCAWriter::CBC_OnedUPCAWriter() { |
| m_bLeftPadding = true; |
| m_bRightPadding = true; |
| } |
| |
| CBC_OnedUPCAWriter::~CBC_OnedUPCAWriter() = default; |
| |
| bool CBC_OnedUPCAWriter::CheckContentValidity(WideStringView contents) { |
| return HasValidContentSize(contents) && |
| std::all_of(contents.begin(), contents.end(), |
| [](wchar_t c) { return FXSYS_IsDecimalDigit(c); }); |
| } |
| |
| WideString CBC_OnedUPCAWriter::FilterContents(WideStringView contents) { |
| WideString filtercontents; |
| filtercontents.Reserve(contents.GetLength()); |
| wchar_t ch; |
| for (size_t i = 0; i < contents.GetLength(); i++) { |
| ch = contents[i]; |
| if (ch > 175) { |
| i++; |
| continue; |
| } |
| if (FXSYS_IsDecimalDigit(ch)) |
| filtercontents += ch; |
| } |
| return filtercontents; |
| } |
| |
| void CBC_OnedUPCAWriter::InitEANWriter() { |
| m_subWriter = std::make_unique<CBC_OnedEAN13Writer>(); |
| } |
| |
| int32_t CBC_OnedUPCAWriter::CalcChecksum(const ByteString& contents) { |
| int32_t odd = 0; |
| int32_t even = 0; |
| size_t j = 1; |
| for (size_t i = contents.GetLength(); i > 0; i--) { |
| if (j % 2) { |
| odd += FXSYS_DecimalCharToInt(contents[i - 1]); |
| } else { |
| even += FXSYS_DecimalCharToInt(contents[i - 1]); |
| } |
| j++; |
| } |
| int32_t checksum = (odd * 3 + even) % 10; |
| checksum = (10 - checksum) % 10; |
| return checksum; |
| } |
| |
| uint8_t* CBC_OnedUPCAWriter::EncodeWithHint(const ByteString& contents, |
| BCFORMAT format, |
| int32_t& outWidth, |
| int32_t& outHeight, |
| int32_t hints) { |
| if (format != BCFORMAT_UPC_A) |
| return nullptr; |
| |
| ByteString toEAN13String = '0' + contents; |
| m_iDataLenth = 13; |
| return m_subWriter->EncodeWithHint(toEAN13String, BCFORMAT_EAN_13, outWidth, |
| outHeight, hints); |
| } |
| |
| uint8_t* CBC_OnedUPCAWriter::EncodeImpl(const ByteString& contents, |
| int32_t& outLength) { |
| return nullptr; |
| } |
| |
| bool CBC_OnedUPCAWriter::ShowChars(WideStringView contents, |
| CFX_RenderDevice* device, |
| const CFX_Matrix* matrix, |
| int32_t barWidth, |
| int32_t multiple) { |
| if (!device) |
| return false; |
| |
| int32_t leftPadding = 7 * multiple; |
| int32_t leftPosition = 10 * multiple + leftPadding; |
| ByteString str = FX_UTF8Encode(contents); |
| size_t length = str.GetLength(); |
| std::vector<TextCharPos> charpos(length); |
| ByteString tempStr = str.Substr(1, 5); |
| float strWidth = (float)35 * multiple; |
| float blank = 0.0; |
| |
| length = tempStr.GetLength(); |
| int32_t iFontSize = static_cast<int32_t>(fabs(m_fFontSize)); |
| int32_t iTextHeight = iFontSize + 1; |
| |
| 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); |
| FX_RECT re = matr.TransformRect(rect).GetOuterRect(); |
| device->FillRect(re, kBackgroundColor); |
| CFX_Matrix matr1(m_outputHScale, 0.0, 0.0, 1.0, 0.0, 0.0); |
| CFX_FloatRect rect1((float)(leftPosition + 40 * multiple), |
| (float)(m_Height - iTextHeight), |
| (float)((leftPosition + 40 * multiple) + strWidth - 0.5), |
| (float)m_Height); |
| matr1.Concat(*matrix); |
| re = matr1.TransformRect(rect1).GetOuterRect(); |
| device->FillRect(re, kBackgroundColor); |
| float strWidth1 = (float)multiple * 7; |
| CFX_Matrix matr2(m_outputHScale, 0.0, 0.0, 1.0, 0.0, 0.0); |
| CFX_FloatRect rect2(0.0, (float)(m_Height - iTextHeight), |
| (float)strWidth1 - 1, (float)m_Height); |
| matr2.Concat(*matrix); |
| re = matr2.TransformRect(rect2).GetOuterRect(); |
| device->FillRect(re, kBackgroundColor); |
| CFX_Matrix matr3(m_outputHScale, 0.0, 0.0, 1.0, 0.0, 0.0); |
| CFX_FloatRect rect3((float)(leftPosition + 85 * multiple), |
| (float)(m_Height - iTextHeight), |
| (float)((leftPosition + 85 * multiple) + strWidth1 - 0.5), |
| (float)m_Height); |
| matr3.Concat(*matrix); |
| re = matr3.TransformRect(rect3).GetOuterRect(); |
| device->FillRect(re, kBackgroundColor); |
| strWidth = strWidth * m_outputHScale; |
| |
| CalcTextInfo(tempStr, &charpos[1], m_pFont.Get(), strWidth, iFontSize, blank); |
| { |
| CFX_Matrix affine_matrix1(1.0, 0.0, 0.0, -1.0, |
| (float)leftPosition * m_outputHScale, |
| (float)(m_Height - iTextHeight + iFontSize)); |
| if (matrix) |
| affine_matrix1.Concat(*matrix); |
| device->DrawNormalText(length, &charpos[1], m_pFont.Get(), |
| static_cast<float>(iFontSize), affine_matrix1, |
| m_fontColor, GetTextRenderOptions()); |
| } |
| tempStr = str.Substr(6, 5); |
| length = tempStr.GetLength(); |
| CalcTextInfo(tempStr, &charpos[6], m_pFont.Get(), strWidth, iFontSize, blank); |
| { |
| CFX_Matrix affine_matrix1( |
| 1.0, 0.0, 0.0, -1.0, |
| (float)(leftPosition + 40 * multiple) * m_outputHScale, |
| (float)(m_Height - iTextHeight + iFontSize)); |
| if (matrix) |
| affine_matrix1.Concat(*matrix); |
| device->DrawNormalText(length, &charpos[6], m_pFont.Get(), |
| static_cast<float>(iFontSize), affine_matrix1, |
| m_fontColor, GetTextRenderOptions()); |
| } |
| tempStr = str.First(1); |
| length = tempStr.GetLength(); |
| strWidth = (float)multiple * 7; |
| strWidth = strWidth * m_outputHScale; |
| |
| CalcTextInfo(tempStr, charpos.data(), m_pFont.Get(), strWidth, iFontSize, |
| blank); |
| { |
| CFX_Matrix affine_matrix1(1.0, 0.0, 0.0, -1.0, 0, |
| (float)(m_Height - iTextHeight + iFontSize)); |
| if (matrix) |
| affine_matrix1.Concat(*matrix); |
| device->DrawNormalText(length, charpos.data(), m_pFont.Get(), |
| static_cast<float>(iFontSize), affine_matrix1, |
| m_fontColor, GetTextRenderOptions()); |
| } |
| tempStr = str.Substr(11, 1); |
| length = tempStr.GetLength(); |
| CalcTextInfo(tempStr, &charpos[11], m_pFont.Get(), strWidth, iFontSize, |
| blank); |
| { |
| CFX_Matrix affine_matrix1( |
| 1.0, 0.0, 0.0, -1.0, |
| (float)(leftPosition + 85 * multiple) * m_outputHScale, |
| (float)(m_Height - iTextHeight + iFontSize)); |
| if (matrix) |
| affine_matrix1.Concat(*matrix); |
| device->DrawNormalText(length, &charpos[11], m_pFont.Get(), |
| static_cast<float>(iFontSize), affine_matrix1, |
| m_fontColor, GetTextRenderOptions()); |
| } |
| return true; |
| } |