Mercurial > hgrepos > Python2 > PyMuPDF

annotate mupdf-source/thirdparty/zxing-cpp/core/src/Barcode.cpp @ 21:2f43e400f144

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Provide an "all" target to build both the sdist and the wheel
author Franz Glasner <fzglas.hg@dom66.de>
date Fri, 19 Sep 2025 10:28:53 +0200
parents b50eed0cc0ef
children
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1 /*
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2 * Copyright 2016 Nu-book Inc.
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3 * Copyright 2016 ZXing authors
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4 */
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5 // SPDX-License-Identifier: Apache-2.0
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7 #include "Barcode.h"
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8
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9 #include "DecoderResult.h"
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10 #include "DetectorResult.h"
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11 #include "ZXAlgorithms.h"
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13 #ifdef ZXING_EXPERIMENTAL_API
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14 #include "BitMatrix.h"
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16 #ifdef ZXING_USE_ZINT
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17 #include <zint.h>
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18 void zint_symbol_deleter::operator()(zint_symbol* p) const noexcept
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19 {
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20 ZBarcode_Delete(p);
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21 }
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22 #else
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23 struct zint_symbol {};
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24 void zint_symbol_deleter::operator()(zint_symbol*) const noexcept {}
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25 #endif
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27 #endif
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29 #include <cmath>
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30 #include <list>
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31 #include <map>
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32 #include <utility>
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34 namespace ZXing {
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35
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36 Result::Result(const std::string& text, int y, int xStart, int xStop, BarcodeFormat format, SymbologyIdentifier si, Error error, bool readerInit)
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37 : _content({ByteArray(text)}, si),
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38 _error(error),
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39 _position(Line(y, xStart, xStop)),
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40 _format(format),
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41 _readerInit(readerInit)
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42 {}
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43
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44 Result::Result(DecoderResult&& decodeResult, DetectorResult&& detectorResult, BarcodeFormat format)
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45 : _content(std::move(decodeResult).content()),
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46 _error(std::move(decodeResult).error()),
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47 _position(std::move(detectorResult).position()),
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48 _sai(decodeResult.structuredAppend()),
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49 _format(format),
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50 _lineCount(decodeResult.lineCount()),
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51 _isMirrored(decodeResult.isMirrored()),
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52 _readerInit(decodeResult.readerInit())
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53 #ifdef ZXING_EXPERIMENTAL_API
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54 , _symbol(std::make_shared<BitMatrix>(std::move(detectorResult).bits()))
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55 #endif
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56 {
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57 if (decodeResult.versionNumber())
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58 snprintf(_version, 4, "%d", decodeResult.versionNumber());
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59 snprintf(_ecLevel, 4, "%s", decodeResult.ecLevel().data());
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60
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61 // TODO: add type opaque and code specific 'extra data'? (see DecoderResult::extra())
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62 }
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64 Result::Result(DecoderResult&& decodeResult, Position&& position, BarcodeFormat format)
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65 : Result(std::move(decodeResult), {{}, std::move(position)}, format)
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66 {}
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68 bool Result::isValid() const
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69 {
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70 return format() != BarcodeFormat::None && !_content.bytes.empty() && !error();
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71 }
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73 const ByteArray& Result::bytes() const
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74 {
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75 return _content.bytes;
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76 }
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78 ByteArray Result::bytesECI() const
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79 {
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80 return _content.bytesECI();
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81 }
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82
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83 std::string Result::text(TextMode mode) const
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84 {
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85 return _content.text(mode);
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86 }
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87
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88 std::string Result::text() const
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89 {
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90 return text(_readerOpts.textMode());
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91 }
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93 std::string Result::ecLevel() const
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94 {
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95 return _ecLevel;
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96 }
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97
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98 ContentType Result::contentType() const
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99 {
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100 return _content.type();
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101 }
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102
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parents:
diff changeset
103 bool Result::hasECI() const
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104 {
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parents:
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105 return _content.hasECI;
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106 }
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107
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parents:
diff changeset
108 int Result::orientation() const
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109 {
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Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
110 constexpr auto std_numbers_pi_v = 3.14159265358979323846; // TODO: c++20 <numbers>
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Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
111 return narrow_cast<int>(std::lround(_position.orientation() * 180 / std_numbers_pi_v));
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112 }
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parents:
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113
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parents:
diff changeset
114 std::string Result::symbologyIdentifier() const
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115 {
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Franz Glasner <fzglas.hg@dom66.de>
parents:
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116 return _content.symbology.toString();
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117 }
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118
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parents:
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119 int Result::sequenceSize() const
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120 {
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Franz Glasner <fzglas.hg@dom66.de>
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121 return _sai.count;
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122 }
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123
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parents:
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124 int Result::sequenceIndex() const
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125 {
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126 return _sai.index;
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127 }
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128
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parents:
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129 std::string Result::sequenceId() const
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130 {
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131 return _sai.id;
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132 }
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133
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Franz Glasner <fzglas.hg@dom66.de>
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134 std::string Result::version() const
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135 {
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parents:
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136 return _version;
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137 }
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parents:
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138
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Franz Glasner <fzglas.hg@dom66.de>
parents:
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139 Result& Result::setReaderOptions(const ReaderOptions& opts)
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140 {
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Franz Glasner <fzglas.hg@dom66.de>
parents:
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141 if (opts.characterSet() != CharacterSet::Unknown)
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Franz Glasner <fzglas.hg@dom66.de>
parents:
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142 _content.defaultCharset = opts.characterSet();
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Franz Glasner <fzglas.hg@dom66.de>
parents:
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143 _readerOpts = opts;
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Franz Glasner <fzglas.hg@dom66.de>
parents:
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144 return *this;
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145 }
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146
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Franz Glasner <fzglas.hg@dom66.de>
parents:
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147 #ifdef ZXING_EXPERIMENTAL_API
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Franz Glasner <fzglas.hg@dom66.de>
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148 void Result::symbol(BitMatrix&& bits)
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149 {
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150 bits.flipAll();
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151 _symbol = std::make_shared<BitMatrix>(std::move(bits));
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152 }
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153
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parents:
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154 ImageView Result::symbol() const
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parents:
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155 {
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parents:
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156 return {_symbol->row(0).begin(), _symbol->width(), _symbol->height(), ImageFormat::Lum};
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parents:
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157 }
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parents:
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158
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parents:
diff changeset
159 void Result::zint(unique_zint_symbol&& z)
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parents:
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160 {
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Franz Glasner <fzglas.hg@dom66.de>
parents:
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161 _zint = std::shared_ptr(std::move(z));
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162 }
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Franz Glasner <fzglas.hg@dom66.de>
parents:
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163 #endif
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164
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Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
165 bool Result::operator==(const Result& o) const
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parents:
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166 {
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Franz Glasner <fzglas.hg@dom66.de>
parents:
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167 // handle case where both are MatrixCodes first
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Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
168 if (!BarcodeFormats(BarcodeFormat::LinearCodes).testFlags(format() | o.format())) {
b50eed0cc0ef ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
169 if (format() != o.format() || (bytes() != o.bytes() && isValid() && o.isValid()))
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Franz Glasner <fzglas.hg@dom66.de>
parents:
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170 return false;
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parents:
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171
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Franz Glasner <fzglas.hg@dom66.de>
parents:
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172 // check for equal position if both are valid with equal bytes or at least one is in error
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Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
173 return IsInside(Center(o.position()), position());
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parents:
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174 }
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parents:
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175
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Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
176 if (format() != o.format() || bytes() != o.bytes() || error() != o.error())
b50eed0cc0ef ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4.
Franz Glasner <fzglas.hg@dom66.de>
parents:
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177 return false;
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parents:
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178
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parents:
diff changeset
179 if (orientation() != o.orientation())
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parents:
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180 return false;
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parents:
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181
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Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
182 if (lineCount() > 1 && o.lineCount() > 1)
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Franz Glasner <fzglas.hg@dom66.de>
parents:
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183 return HaveIntersectingBoundingBoxes(o.position(), position());
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parents:
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184
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parents:
diff changeset
185 // the following code is only meant for this or other lineCount == 1
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Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
186 assert(lineCount() == 1 || o.lineCount() == 1);
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parents:
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187
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parents:
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188 // sl == single line, ml = multi line
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Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
189 const auto& sl = lineCount() == 1 ? *this : o;
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Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
190 const auto& ml = lineCount() == 1 ? o : *this;
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parents:
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191
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parents:
diff changeset
192 // If one line is less than half the length of the other away from the
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Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
193 // latter, we consider it to belong to the same symbol.
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Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
194 // Additionally, both need to have roughly the same length (see #367).
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Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
195 auto dTop = maxAbsComponent(ml.position().topLeft() - sl.position().topLeft());
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Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
196 auto dBot = maxAbsComponent(ml.position().bottomLeft() - sl.position().topLeft());
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Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
197 auto slLength = maxAbsComponent(sl.position().topLeft() - sl.position().bottomRight());
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Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
198 bool isHorizontal = sl.position().topLeft().y == sl.position().bottomRight().y;
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Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
199 // Measure the multi line length in the same direction as the single line one (not diagonaly)
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Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
200 // to make sure overly tall symbols don't get segmented (see #769).
b50eed0cc0ef ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
201 auto mlLength = isHorizontal ? std::abs(ml.position().topLeft().x - ml.position().bottomRight().x)
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Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
202 : std::abs(ml.position().topLeft().y - ml.position().bottomRight().y);
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Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
203
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204 return std::min(dTop, dBot) < slLength / 2 && std::abs(slLength - mlLength) < slLength / 5;
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205 }
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206
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207 Barcode MergeStructuredAppendSequence(const Barcodes& barcodes)
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208 {
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209 if (barcodes.empty())
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210 return {};
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211
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212 std::list<Barcode> allBarcodes(barcodes.begin(), barcodes.end());
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213 allBarcodes.sort([](const Barcode& r1, const Barcode& r2) { return r1.sequenceIndex() < r2.sequenceIndex(); });
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214
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215 Barcode res = allBarcodes.front();
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216 for (auto i = std::next(allBarcodes.begin()); i != allBarcodes.end(); ++i)
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217 res._content.append(i->_content);
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218
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219 res._position = {};
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220 res._sai.index = -1;
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221
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222 if (allBarcodes.back().sequenceSize() != Size(allBarcodes) ||
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223 !std::all_of(allBarcodes.begin(), allBarcodes.end(),
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224 [&](Barcode& it) { return it.sequenceId() == allBarcodes.front().sequenceId(); }))
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225 res._error = FormatError("sequenceIDs not matching during structured append sequence merging");
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226
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227 return res;
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228 }
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229
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230 Barcodes MergeStructuredAppendSequences(const Barcodes& barcodes)
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231 {
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232 std::map<std::string, Barcodes> sas;
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233 for (auto& barcode : barcodes) {
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234 if (barcode.isPartOfSequence())
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235 sas[barcode.sequenceId()].push_back(barcode);
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236 }
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237
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238 Barcodes res;
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239 for (auto& [id, seq] : sas) {
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240 auto barcode = MergeStructuredAppendSequence(seq);
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241 if (barcode.isValid())
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242 res.push_back(std::move(barcode));
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243 }
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244
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245 return res;
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246 }
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247
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248 } // namespace ZXing