kumarashishg | 826308d | 2023-06-23 13:21:22 +0000 | [diff] [blame] | 1 | // Copyright 2014 The PDFium Authors |
Philip P. Moltmann | d904c1e | 2018-03-19 09:26:45 -0700 | [diff] [blame] | 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 2009 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 "fxbarcode/oned/BC_OnedEAN8Writer.h" |
| 24 | |
kumarashishg | 826308d | 2023-06-23 13:21:22 +0000 | [diff] [blame] | 25 | #include <math.h> |
| 26 | |
Philip P. Moltmann | d904c1e | 2018-03-19 09:26:45 -0700 | [diff] [blame] | 27 | #include <algorithm> |
Philip P. Moltmann | d904c1e | 2018-03-19 09:26:45 -0700 | [diff] [blame] | 28 | #include <memory> |
| 29 | #include <vector> |
| 30 | |
| 31 | #include "core/fxcrt/fx_extension.h" |
Haibo Huang | 49cc930 | 2020-04-27 16:14:24 -0700 | [diff] [blame] | 32 | #include "core/fxcrt/fx_memory_wrappers.h" |
Philip P. Moltmann | d904c1e | 2018-03-19 09:26:45 -0700 | [diff] [blame] | 33 | #include "core/fxge/cfx_defaultrenderdevice.h" |
Haibo Huang | 49cc930 | 2020-04-27 16:14:24 -0700 | [diff] [blame] | 34 | #include "core/fxge/text_char_pos.h" |
Philip P. Moltmann | d904c1e | 2018-03-19 09:26:45 -0700 | [diff] [blame] | 35 | #include "fxbarcode/BC_Writer.h" |
| 36 | #include "fxbarcode/common/BC_CommonBitMatrix.h" |
| 37 | #include "fxbarcode/oned/BC_OneDimWriter.h" |
| 38 | #include "fxbarcode/oned/BC_OnedEANChecksum.h" |
| 39 | |
| 40 | namespace { |
| 41 | |
kumarashishg | 826308d | 2023-06-23 13:21:22 +0000 | [diff] [blame] | 42 | const uint8_t kOnedEAN8StartPattern[3] = {1, 1, 1}; |
| 43 | const uint8_t kOnedEAN8MiddlePattern[5] = {1, 1, 1, 1, 1}; |
| 44 | const uint8_t kOnedEAN8LPattern[10][4] = { |
Philip P. Moltmann | d904c1e | 2018-03-19 09:26:45 -0700 | [diff] [blame] | 45 | {3, 2, 1, 1}, {2, 2, 2, 1}, {2, 1, 2, 2}, {1, 4, 1, 1}, {1, 1, 3, 2}, |
| 46 | {1, 2, 3, 1}, {1, 1, 1, 4}, {1, 3, 1, 2}, {1, 2, 1, 3}, {3, 1, 1, 2}}; |
| 47 | |
| 48 | } // namespace |
| 49 | |
| 50 | CBC_OnedEAN8Writer::CBC_OnedEAN8Writer() { |
| 51 | m_iDataLenth = 8; |
Philip P. Moltmann | d904c1e | 2018-03-19 09:26:45 -0700 | [diff] [blame] | 52 | } |
| 53 | |
Haibo Huang | 49cc930 | 2020-04-27 16:14:24 -0700 | [diff] [blame] | 54 | CBC_OnedEAN8Writer::~CBC_OnedEAN8Writer() = default; |
Philip P. Moltmann | d904c1e | 2018-03-19 09:26:45 -0700 | [diff] [blame] | 55 | |
| 56 | void CBC_OnedEAN8Writer::SetDataLength(int32_t length) { |
| 57 | m_iDataLenth = 8; |
| 58 | } |
| 59 | |
kumarashishg | 826308d | 2023-06-23 13:21:22 +0000 | [diff] [blame] | 60 | void CBC_OnedEAN8Writer::SetTextLocation(BC_TEXT_LOC location) { |
| 61 | if (location == BC_TEXT_LOC::kBelowEmbed) |
Philip P. Moltmann | d904c1e | 2018-03-19 09:26:45 -0700 | [diff] [blame] | 62 | m_locTextLoc = location; |
Philip P. Moltmann | d904c1e | 2018-03-19 09:26:45 -0700 | [diff] [blame] | 63 | } |
| 64 | |
Haibo Huang | 49cc930 | 2020-04-27 16:14:24 -0700 | [diff] [blame] | 65 | bool CBC_OnedEAN8Writer::CheckContentValidity(WideStringView contents) { |
kumarashishg | 826308d | 2023-06-23 13:21:22 +0000 | [diff] [blame] | 66 | return HasValidContentSize(contents) && |
| 67 | std::all_of(contents.begin(), contents.end(), |
Haibo Huang | 49cc930 | 2020-04-27 16:14:24 -0700 | [diff] [blame] | 68 | [](wchar_t c) { return FXSYS_IsDecimalDigit(c); }); |
Philip P. Moltmann | d904c1e | 2018-03-19 09:26:45 -0700 | [diff] [blame] | 69 | } |
| 70 | |
Haibo Huang | 49cc930 | 2020-04-27 16:14:24 -0700 | [diff] [blame] | 71 | WideString CBC_OnedEAN8Writer::FilterContents(WideStringView contents) { |
Philip P. Moltmann | d904c1e | 2018-03-19 09:26:45 -0700 | [diff] [blame] | 72 | WideString filtercontents; |
Haibo Huang | 49cc930 | 2020-04-27 16:14:24 -0700 | [diff] [blame] | 73 | filtercontents.Reserve(contents.GetLength()); |
Philip P. Moltmann | d904c1e | 2018-03-19 09:26:45 -0700 | [diff] [blame] | 74 | wchar_t ch; |
| 75 | for (size_t i = 0; i < contents.GetLength(); i++) { |
| 76 | ch = contents[i]; |
| 77 | if (ch > 175) { |
| 78 | i++; |
| 79 | continue; |
| 80 | } |
Haibo Huang | 49cc930 | 2020-04-27 16:14:24 -0700 | [diff] [blame] | 81 | if (FXSYS_IsDecimalDigit(ch)) |
Philip P. Moltmann | d904c1e | 2018-03-19 09:26:45 -0700 | [diff] [blame] | 82 | filtercontents += ch; |
Philip P. Moltmann | d904c1e | 2018-03-19 09:26:45 -0700 | [diff] [blame] | 83 | } |
| 84 | return filtercontents; |
| 85 | } |
| 86 | |
| 87 | int32_t CBC_OnedEAN8Writer::CalcChecksum(const ByteString& contents) { |
| 88 | return EANCalcChecksum(contents); |
| 89 | } |
| 90 | |
kumarashishg | 826308d | 2023-06-23 13:21:22 +0000 | [diff] [blame] | 91 | DataVector<uint8_t> CBC_OnedEAN8Writer::Encode(const ByteString& contents) { |
Philip P. Moltmann | d904c1e | 2018-03-19 09:26:45 -0700 | [diff] [blame] | 92 | if (contents.GetLength() != 8) |
kumarashishg | 826308d | 2023-06-23 13:21:22 +0000 | [diff] [blame] | 93 | return {}; |
Philip P. Moltmann | d904c1e | 2018-03-19 09:26:45 -0700 | [diff] [blame] | 94 | |
kumarashishg | 826308d | 2023-06-23 13:21:22 +0000 | [diff] [blame] | 95 | DataVector<uint8_t> result(m_codeWidth); |
| 96 | auto result_span = pdfium::make_span(result); |
| 97 | result_span = AppendPattern(result_span, kOnedEAN8StartPattern, true); |
Philip P. Moltmann | d904c1e | 2018-03-19 09:26:45 -0700 | [diff] [blame] | 98 | |
kumarashishg | 826308d | 2023-06-23 13:21:22 +0000 | [diff] [blame] | 99 | for (int i = 0; i <= 3; i++) { |
Philip P. Moltmann | d904c1e | 2018-03-19 09:26:45 -0700 | [diff] [blame] | 100 | int32_t digit = FXSYS_DecimalCharToInt(contents[i]); |
kumarashishg | 826308d | 2023-06-23 13:21:22 +0000 | [diff] [blame] | 101 | result_span = AppendPattern(result_span, kOnedEAN8LPattern[digit], false); |
Philip P. Moltmann | d904c1e | 2018-03-19 09:26:45 -0700 | [diff] [blame] | 102 | } |
kumarashishg | 826308d | 2023-06-23 13:21:22 +0000 | [diff] [blame] | 103 | result_span = AppendPattern(result_span, kOnedEAN8MiddlePattern, false); |
Philip P. Moltmann | d904c1e | 2018-03-19 09:26:45 -0700 | [diff] [blame] | 104 | |
kumarashishg | 826308d | 2023-06-23 13:21:22 +0000 | [diff] [blame] | 105 | for (int i = 4; i <= 7; i++) { |
Philip P. Moltmann | d904c1e | 2018-03-19 09:26:45 -0700 | [diff] [blame] | 106 | int32_t digit = FXSYS_DecimalCharToInt(contents[i]); |
kumarashishg | 826308d | 2023-06-23 13:21:22 +0000 | [diff] [blame] | 107 | result_span = AppendPattern(result_span, kOnedEAN8LPattern[digit], true); |
Philip P. Moltmann | d904c1e | 2018-03-19 09:26:45 -0700 | [diff] [blame] | 108 | } |
kumarashishg | 826308d | 2023-06-23 13:21:22 +0000 | [diff] [blame] | 109 | AppendPattern(result_span, kOnedEAN8StartPattern, true); |
| 110 | return result; |
Philip P. Moltmann | d904c1e | 2018-03-19 09:26:45 -0700 | [diff] [blame] | 111 | } |
| 112 | |
Haibo Huang | 49cc930 | 2020-04-27 16:14:24 -0700 | [diff] [blame] | 113 | bool CBC_OnedEAN8Writer::ShowChars(WideStringView contents, |
Philip P. Moltmann | d904c1e | 2018-03-19 09:26:45 -0700 | [diff] [blame] | 114 | CFX_RenderDevice* device, |
kumarashishg | 826308d | 2023-06-23 13:21:22 +0000 | [diff] [blame] | 115 | const CFX_Matrix& matrix, |
| 116 | int32_t barWidth) { |
Philip P. Moltmann | d904c1e | 2018-03-19 09:26:45 -0700 | [diff] [blame] | 117 | if (!device) |
| 118 | return false; |
| 119 | |
kumarashishg | 826308d | 2023-06-23 13:21:22 +0000 | [diff] [blame] | 120 | constexpr float kLeftPosition = 3.0f; |
Philip P. Moltmann | d904c1e | 2018-03-19 09:26:45 -0700 | [diff] [blame] | 121 | ByteString str = FX_UTF8Encode(contents); |
| 122 | size_t iLength = str.GetLength(); |
Haibo Huang | 49cc930 | 2020-04-27 16:14:24 -0700 | [diff] [blame] | 123 | std::vector<TextCharPos> charpos(iLength); |
| 124 | ByteString tempStr = str.First(4); |
Philip P. Moltmann | d904c1e | 2018-03-19 09:26:45 -0700 | [diff] [blame] | 125 | size_t iLen = tempStr.GetLength(); |
kumarashishg | 826308d | 2023-06-23 13:21:22 +0000 | [diff] [blame] | 126 | constexpr int32_t kWidth = 28; |
| 127 | float blank = 0.0f; |
Philip P. Moltmann | d904c1e | 2018-03-19 09:26:45 -0700 | [diff] [blame] | 128 | |
kumarashishg | 826308d | 2023-06-23 13:21:22 +0000 | [diff] [blame] | 129 | int32_t iFontSize = static_cast<int32_t>(fabs(m_fFontSize)); |
Philip P. Moltmann | d904c1e | 2018-03-19 09:26:45 -0700 | [diff] [blame] | 130 | int32_t iTextHeight = iFontSize + 1; |
| 131 | |
| 132 | CFX_Matrix matr(m_outputHScale, 0.0, 0.0, 1.0, 0.0, 0.0); |
kumarashishg | 826308d | 2023-06-23 13:21:22 +0000 | [diff] [blame] | 133 | CFX_FloatRect rect(kLeftPosition, (float)(m_Height - iTextHeight), |
| 134 | kLeftPosition + kWidth - 0.5, (float)m_Height); |
| 135 | matr.Concat(matrix); |
Philip P. Moltmann | d904c1e | 2018-03-19 09:26:45 -0700 | [diff] [blame] | 136 | FX_RECT re = matr.TransformRect(rect).GetOuterRect(); |
Haibo Huang | 49cc930 | 2020-04-27 16:14:24 -0700 | [diff] [blame] | 137 | device->FillRect(re, kBackgroundColor); |
Philip P. Moltmann | d904c1e | 2018-03-19 09:26:45 -0700 | [diff] [blame] | 138 | CFX_Matrix matr1(m_outputHScale, 0.0, 0.0, 1.0, 0.0, 0.0); |
kumarashishg | 826308d | 2023-06-23 13:21:22 +0000 | [diff] [blame] | 139 | CFX_FloatRect rect1(kLeftPosition + 33, (float)(m_Height - iTextHeight), |
| 140 | kLeftPosition + 33 + kWidth - 0.5, (float)m_Height); |
| 141 | matr1.Concat(matrix); |
Philip P. Moltmann | d904c1e | 2018-03-19 09:26:45 -0700 | [diff] [blame] | 142 | re = matr1.TransformRect(rect1).GetOuterRect(); |
Haibo Huang | 49cc930 | 2020-04-27 16:14:24 -0700 | [diff] [blame] | 143 | device->FillRect(re, kBackgroundColor); |
kumarashishg | 826308d | 2023-06-23 13:21:22 +0000 | [diff] [blame] | 144 | int32_t strWidth = static_cast<int32_t>(kWidth * m_outputHScale); |
Philip P. Moltmann | d904c1e | 2018-03-19 09:26:45 -0700 | [diff] [blame] | 145 | |
kumarashishg | 826308d | 2023-06-23 13:21:22 +0000 | [diff] [blame] | 146 | CalcTextInfo(tempStr, charpos.data(), m_pFont, (float)strWidth, iFontSize, |
| 147 | blank); |
Philip P. Moltmann | d904c1e | 2018-03-19 09:26:45 -0700 | [diff] [blame] | 148 | { |
| 149 | CFX_Matrix affine_matrix1(1.0, 0.0, 0.0, -1.0, |
kumarashishg | 826308d | 2023-06-23 13:21:22 +0000 | [diff] [blame] | 150 | kLeftPosition * m_outputHScale, |
Philip P. Moltmann | d904c1e | 2018-03-19 09:26:45 -0700 | [diff] [blame] | 151 | (float)(m_Height - iTextHeight + iFontSize)); |
kumarashishg | 826308d | 2023-06-23 13:21:22 +0000 | [diff] [blame] | 152 | affine_matrix1.Concat(matrix); |
| 153 | device->DrawNormalText(pdfium::make_span(charpos).first(iLen), m_pFont, |
Haibo Huang | 49cc930 | 2020-04-27 16:14:24 -0700 | [diff] [blame] | 154 | static_cast<float>(iFontSize), affine_matrix1, |
kumarashishg | 826308d | 2023-06-23 13:21:22 +0000 | [diff] [blame] | 155 | m_fontColor, GetTextRenderOptions()); |
Philip P. Moltmann | d904c1e | 2018-03-19 09:26:45 -0700 | [diff] [blame] | 156 | } |
Haibo Huang | 49cc930 | 2020-04-27 16:14:24 -0700 | [diff] [blame] | 157 | tempStr = str.Substr(4, 4); |
Philip P. Moltmann | d904c1e | 2018-03-19 09:26:45 -0700 | [diff] [blame] | 158 | iLen = tempStr.GetLength(); |
kumarashishg | 826308d | 2023-06-23 13:21:22 +0000 | [diff] [blame] | 159 | CalcTextInfo(tempStr, &charpos[4], m_pFont, (float)strWidth, iFontSize, |
Philip P. Moltmann | d904c1e | 2018-03-19 09:26:45 -0700 | [diff] [blame] | 160 | blank); |
| 161 | { |
kumarashishg | 826308d | 2023-06-23 13:21:22 +0000 | [diff] [blame] | 162 | CFX_Matrix affine_matrix1(1.0, 0.0, 0.0, -1.0, |
| 163 | (kLeftPosition + 33) * m_outputHScale, |
| 164 | (float)(m_Height - iTextHeight + iFontSize)); |
| 165 | affine_matrix1.Concat(matrix); |
| 166 | device->DrawNormalText(pdfium::make_span(charpos).subspan(4, iLen), m_pFont, |
Haibo Huang | 49cc930 | 2020-04-27 16:14:24 -0700 | [diff] [blame] | 167 | static_cast<float>(iFontSize), affine_matrix1, |
kumarashishg | 826308d | 2023-06-23 13:21:22 +0000 | [diff] [blame] | 168 | m_fontColor, GetTextRenderOptions()); |
Philip P. Moltmann | d904c1e | 2018-03-19 09:26:45 -0700 | [diff] [blame] | 169 | } |
| 170 | return true; |
| 171 | } |