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6
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1 <?php
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2
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3 /*
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4 * (c) Jeroen van den Enden <info@endroid.nl>
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5 *
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6 * This source file is subject to the MIT license that is bundled
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7 * with this source code in the file LICENSE.
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8 */
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9
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10 namespace Endroid\QrCode;
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11
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12 use Endroid\QrCode\Exceptions\DataDoesntExistsException;
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13 use Endroid\QrCode\Exceptions\FreeTypeLibraryMissingException;
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14 use Endroid\QrCode\Exceptions\ImageFunctionFailedException;
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15 use Endroid\QrCode\Exceptions\VersionTooLargeException;
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16 use Endroid\QrCode\Exceptions\ImageSizeTooLargeException;
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17 use Endroid\QrCode\Exceptions\ImageFunctionUnknownException;
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18 use ReflectionFunction;
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19
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20 /**
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21 * Generate QR Code.
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22 */
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23 class QrCode
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24 {
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25 /** @const int Error Correction Level Low (7%) */
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26 const LEVEL_LOW = 1;
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27
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28 /** @const int Error Correction Level Medium (15%) */
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29 const LEVEL_MEDIUM = 0;
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30
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31 /** @const int Error Correction Level Quartile (25%) */
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32 const LEVEL_QUARTILE = 3;
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33
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34 /** @const int Error Correction Level High (30%) */
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35 const LEVEL_HIGH = 2;
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36
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37 /** @const string Image type png */
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38 const IMAGE_TYPE_PNG = 'png';
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39
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40 /** @const string Image type gif */
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41 const IMAGE_TYPE_GIF = 'gif';
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42
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43 /** @const string Image type jpeg */
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44 const IMAGE_TYPE_JPEG = 'jpeg';
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45
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46 /** @const string Image type wbmp */
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47 const IMAGE_TYPE_WBMP = 'wbmp';
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48
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49 /** @const int Horizontal label alignment to the center of image */
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50 const LABEL_HALIGN_CENTER = 0;
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51
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52 /** @const int Horizontal label alignment to the left side of image */
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53 const LABEL_HALIGN_LEFT = 1;
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54
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55 /** @const int Horizontal label alignment to the left border of QR Code */
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56 const LABEL_HALIGN_LEFT_BORDER = 2;
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57
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58 /** @const int Horizontal label alignment to the left side of QR Code */
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59 const LABEL_HALIGN_LEFT_CODE = 3;
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60
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61 /** @const int Horizontal label alignment to the right side of image */
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62 const LABEL_HALIGN_RIGHT = 4;
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63
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64 /** @const int Horizontal label alignment to the right border of QR Code */
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65 const LABEL_HALIGN_RIGHT_BORDER = 5;
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66
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67 /** @const int Horizontal label alignment to the right side of QR Code */
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68 const LABEL_HALIGN_RIGHT_CODE = 6;
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69
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70 /** @const int Vertical label alignment to the top */
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71 const LABEL_VALIGN_TOP = 1;
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72
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73 /** @const int Vertical label alignment to the top and hide border */
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74 const LABEL_VALIGN_TOP_NO_BORDER = 2;
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75
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76 /** @const int Vertical label alignment to the middle*/
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77 const LABEL_VALIGN_MIDDLE = 3;
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78
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79 /** @const int Vertical label alignment to the bottom */
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80 const LABEL_VALIGN_BOTTOM = 4;
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81
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82 /** @var string */
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83 protected $logo = null;
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84
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85 protected $logo_size = 48;
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86
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87 /** @var string */
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88 protected $text = '';
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89
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90 /** @var int */
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91 protected $size = 0;
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92
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93 /** @var int */
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94 protected $padding = 16;
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95
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96 /** @var bool */
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97 protected $draw_quiet_zone = false;
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98
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99 /** @var bool */
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100 protected $draw_border = false;
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101
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102 /** @var array */
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103 protected $color_foreground = array('r' => 0, 'g' => 0, 'b' => 0, 'a' => 0);
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104
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105 /** @var array */
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106 protected $color_background = array('r' => 255, 'g' => 255, 'b' => 255, 'a' => 0);
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107
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108 /** @var string */
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109 protected $label = '';
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110
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111 /** @var int */
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112 protected $label_font_size = 16;
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113
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114 /** @var string */
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115 protected $label_font_path = '';
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116
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117 /** @var int */
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118 protected $label_halign = self::LABEL_HALIGN_CENTER;
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119
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120 /** @var int */
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121 protected $label_valign = self::LABEL_VALIGN_MIDDLE;
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122
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123 /** @var resource */
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124 protected $image = null;
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125
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126 /** @var int */
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127 protected $version;
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128
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129 /** @var int */
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130 protected $error_correction = self::LEVEL_MEDIUM;
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131
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132 /** @var array */
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133 protected $error_corrections_available = array(
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134 self::LEVEL_LOW,
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135 self::LEVEL_MEDIUM,
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136 self::LEVEL_QUARTILE,
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137 self::LEVEL_HIGH,
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138 );
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139
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140 /** @var int */
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141 protected $module_size;
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142
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143 /** @var string */
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144 protected $image_type = self::IMAGE_TYPE_PNG;
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145
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146 /** @var array */
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147 protected $image_types_available = array(
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148 self::IMAGE_TYPE_GIF,
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149 self::IMAGE_TYPE_PNG,
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150 self::IMAGE_TYPE_JPEG,
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151 self::IMAGE_TYPE_WBMP,
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152 );
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153
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154 /** @var string */
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155 protected $image_path;
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156
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157 /** @var string */
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158 protected $path;
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159
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160 /** @var int */
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161 protected $structure_append_n;
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162
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163 /** @var int */
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164 protected $structure_append_m;
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165
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166 /** @var int */
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167 protected $structure_append_parity;
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168
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169 /** @var string */
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170 protected $structure_append_original_data;
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171
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172 /**
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173 * Class constructor.
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174 *
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175 * @param string $text
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176 */
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177 public function __construct($text = '')
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178 {
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179 $this->setPath(__DIR__.'/../assets/data');
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180 $this->setImagePath(__DIR__.'/../assets/image');
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181 $this->setLabelFontPath(__DIR__.'/../assets/font/opensans.ttf');
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182 $this->setText($text);
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183 }
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184
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185 /**
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186 * Set structure append.
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187 *
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188 * @param int $n
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189 * @param int $m
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190 * @param int $parity Parity
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191 * @param string $original_data Original data
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192 *
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193 * @return QrCode
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194 */
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195 public function setStructureAppend($n, $m, $parity, $original_data)
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196 {
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197 $this->structure_append_n = $n;
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198 $this->structure_append_m = $m;
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199 $this->structure_append_parity = $parity;
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200 $this->structure_append_original_data = $original_data;
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201
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202 return $this;
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203 }
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204
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205 /**
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206 * Set QR Code version.
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207 *
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208 * @param int $version QR Code version
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209 *
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210 * @return QrCode
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211 */
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212 public function setVersion($version)
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213 {
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214 if ($version <= 40 && $version >= 0) {
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215 $this->version = $version;
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216 }
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217
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218 return $this;
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219 }
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220
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221 /**
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222 * Return QR Code version.
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223 *
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224 * @return int
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225 */
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226 public function getVersion()
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227 {
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228 return $this->version;
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229 }
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230
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231 /**
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232 * Set QR Code error correction level.
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233 *
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234 * @param mixed $error_correction Error Correction Level
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235 *
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236 * @return QrCode
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237 */
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238 public function setErrorCorrection($error_correction)
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239 {
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240 if (!is_numeric($error_correction)) {
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241 $level_constant = 'Endroid\QrCode\QrCode::LEVEL_'.strtoupper($error_correction);
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242 $error_correction = constant($level_constant);
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243 }
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244
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245 if (in_array($error_correction, $this->error_corrections_available)) {
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246 $this->error_correction = $error_correction;
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247 }
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248
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249 return $this;
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250 }
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251
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252 /**
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253 * Return QR Code error correction level.
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254 *
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255 * @return int
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256 */
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257 public function getErrorCorrection()
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258 {
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259 return $this->error_correction;
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260 }
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261
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262 /**
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263 * Set QR Code module size.
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264 *
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265 * @param int $module_size Module size
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266 *
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267 * @return QrCode
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268 */
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269 public function setModuleSize($module_size)
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270 {
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271 $this->module_size = $module_size;
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272
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273 return $this;
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274 }
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275
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276 /**
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277 * Return QR Code module size.
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278 *
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279 * @return int
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280 */
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281 public function getModuleSize()
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282 {
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283 return $this->module_size;
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284 }
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285
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286 /**
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287 * Set image type for rendering.
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288 *
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289 * @param string $image_type Image type
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290 *
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291 * @return QrCode
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292 */
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293 public function setImageType($image_type)
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294 {
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295 if (in_array($image_type, $this->image_types_available)) {
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296 $this->image_type = $image_type;
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297 }
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298
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299 return $this;
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300 }
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301
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302 /**
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303 * Return image type for rendering.
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304 *
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305 * @return string
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306 */
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307 public function getImageType()
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308 {
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309 return $this->image_type;
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310 }
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311
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312 /**
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313 * Set image type for rendering via extension.
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314 *
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315 * @param string $extension Image extension
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316 *
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317 * @return QrCode
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318 */
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319 public function setExtension($extension)
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320 {
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321 if ($extension == 'jpg') {
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322 $this->setImageType('jpeg');
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323 } else {
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324 $this->setImageType($extension);
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325 }
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326
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327 return $this;
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328 }
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329
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330 /**
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331 * Set path to the images directory.
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332 *
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333 * @param string $image_path Image directory
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334 *
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335 * @return QrCode
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336 */
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337 public function setImagePath($image_path)
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338 {
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339 $this->image_path = $image_path;
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340
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341 return $this;
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342 }
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343
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344 /**
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345 * Return path to the images directory.
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346 *
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347 * @return string
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348 */
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349 public function getImagePath()
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350 {
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351 return $this->image_path;
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352 }
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353
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354 /**
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355 * Set path to the data directory.
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356 *
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357 * @param string $path Data directory
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358 *
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359 * @return QrCode
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360 */
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361 public function setPath($path)
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362 {
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363 $this->path = $path;
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364
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365 return $this;
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366 }
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367
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368 /**
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369 * Return path to the data directory.
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370 *
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371 * @return string
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372 */
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373 public function getPath()
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374 {
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375 return $this->path;
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376 }
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377
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378 /**
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379 * Set logo in QR Code.
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380 *
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381 * @param string $logo Logo Path
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382 *
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383 * @throws Exceptions\DataDoesntExistsException
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384 *
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385 * @return QrCode
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386 */
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387 public function setLogo($logo)
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388 {
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389 if (!file_exists($logo)) {
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390 throw new DataDoesntExistsException("$logo file does not exist");
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391 }
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392
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393 $this->logo = $logo;
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394
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395 return $this;
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396 }
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397
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398 /**
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399 * Set logo size in QR Code(default 48).
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400 *
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401 * @param int $logo_size Logo Size
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402 *
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403 * @return QrCode
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404 */
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405 public function setLogoSize($logo_size)
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406 {
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407 $this->logo_size = $logo_size;
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408
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409 return $this;
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410 }
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411
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412 /**
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413 * Set text to hide in QR Code.
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414 *
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415 * @param string $text Text to hide
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416 *
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417 * @return QrCode
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418 */
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419 public function setText($text)
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420 {
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421 $this->text = $text;
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422
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423 return $this;
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424 }
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425
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426 /**
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427 * Return text that will be hid in QR Code.
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428 *
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429 * @return string
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430 */
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431 public function getText()
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432 {
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433 return $this->text;
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434 }
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435
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436 /**
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437 * Set QR Code size (width).
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438 *
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439 * @param int $size Width of the QR Code
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440 *
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441 * @return QrCode
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442 */
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443 public function setSize($size)
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444 {
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445 $this->size = $size;
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446
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447 return $this;
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448 }
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449
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450 /**
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451 * Return QR Code size (width).
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452 *
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453 * @return int
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454 */
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455 public function getSize()
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456 {
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457 return $this->size;
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458 }
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459
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460 /**
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461 * Set padding around the QR Code.
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462 *
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463 * @param int $padding Padding around QR Code
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464 *
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465 * @return QrCode
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466 */
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467 public function setPadding($padding)
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468 {
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469 $this->padding = $padding;
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470
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471 return $this;
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472 }
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473
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474 /**
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475 * Return padding around the QR Code.
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476 *
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477 * @return int
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478 */
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479 public function getPadding()
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480 {
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481 return $this->padding;
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482 }
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483
|
|
|
484 /**
|
|
|
485 * Set draw required four-module wide margin.
|
|
|
486 *
|
|
|
487 * @param bool $draw_quiet_zone State of required four-module wide margin drawing
|
|
|
488 *
|
|
|
489 * @return QrCode
|
|
|
490 */
|
|
|
491 public function setDrawQuietZone($draw_quiet_zone)
|
|
|
492 {
|
|
|
493 $this->draw_quiet_zone = $draw_quiet_zone;
|
|
|
494
|
|
|
495 return $this;
|
|
|
496 }
|
|
|
497
|
|
|
498 /**
|
|
|
499 * Return draw required four-module wide margin.
|
|
|
500 *
|
|
|
501 * @return bool
|
|
|
502 */
|
|
|
503 public function getDrawQuietZone()
|
|
|
504 {
|
|
|
505 return $this->draw_quiet_zone;
|
|
|
506 }
|
|
|
507
|
|
|
508 /**
|
|
|
509 * Set draw border around QR Code.
|
|
|
510 *
|
|
|
511 * @param bool $draw_border State of border drawing
|
|
|
512 *
|
|
|
513 * @return QrCode
|
|
|
514 */
|
|
|
515 public function setDrawBorder($draw_border)
|
|
|
516 {
|
|
|
517 $this->draw_border = $draw_border;
|
|
|
518
|
|
|
519 return $this;
|
|
|
520 }
|
|
|
521
|
|
|
522 /**
|
|
|
523 * Return draw border around QR Code.
|
|
|
524 *
|
|
|
525 * @return bool
|
|
|
526 */
|
|
|
527 public function getDrawBorder()
|
|
|
528 {
|
|
|
529 return $this->draw_border;
|
|
|
530 }
|
|
|
531
|
|
|
532 /**
|
|
|
533 * Set QR Code label (text).
|
|
|
534 *
|
|
|
535 * @param int|string $label Label to print under QR code
|
|
|
536 *
|
|
|
537 * @return QrCode
|
|
|
538 */
|
|
|
539 public function setLabel($label)
|
|
|
540 {
|
|
|
541 $this->label = $label;
|
|
|
542
|
|
|
543 return $this;
|
|
|
544 }
|
|
|
545
|
|
|
546 /**
|
|
|
547 * Return QR Code label (text).
|
|
|
548 *
|
|
|
549 * @return string
|
|
|
550 */
|
|
|
551 public function getLabel()
|
|
|
552 {
|
|
|
553 return $this->label;
|
|
|
554 }
|
|
|
555
|
|
|
556 /**
|
|
|
557 * Set QR Code label font size.
|
|
|
558 *
|
|
|
559 * @param int $label_font_size Font size of the QR code label
|
|
|
560 *
|
|
|
561 * @return QrCode
|
|
|
562 */
|
|
|
563 public function setLabelFontSize($label_font_size)
|
|
|
564 {
|
|
|
565 $this->label_font_size = $label_font_size;
|
|
|
566
|
|
|
567 return $this;
|
|
|
568 }
|
|
|
569
|
|
|
570 /**
|
|
|
571 * Return QR Code label font size.
|
|
|
572 *
|
|
|
573 * @return int
|
|
|
574 */
|
|
|
575 public function getLabelFontSize()
|
|
|
576 {
|
|
|
577 return $this->label_font_size;
|
|
|
578 }
|
|
|
579
|
|
|
580 /**
|
|
|
581 * Set QR Code label font path.
|
|
|
582 *
|
|
|
583 * @param int $label_font_path Path to the QR Code label's TTF font file
|
|
|
584 *
|
|
|
585 * @return QrCode
|
|
|
586 */
|
|
|
587 public function setLabelFontPath($label_font_path)
|
|
|
588 {
|
|
|
589 $this->label_font_path = $label_font_path;
|
|
|
590
|
|
|
591 return $this;
|
|
|
592 }
|
|
|
593
|
|
|
594 /**
|
|
|
595 * Return path to the QR Code label's TTF font file.
|
|
|
596 *
|
|
|
597 * @return string
|
|
|
598 */
|
|
|
599 public function getLabelFontPath()
|
|
|
600 {
|
|
|
601 return $this->label_font_path;
|
|
|
602 }
|
|
|
603
|
|
|
604 /**
|
|
|
605 * Set label horizontal alignment.
|
|
|
606 *
|
|
|
607 * @param int $label_halign Label horizontal alignment
|
|
|
608 *
|
|
|
609 * @return QrCode
|
|
|
610 */
|
|
|
611 public function setLabelHalign($label_halign)
|
|
|
612 {
|
|
|
613 $this->label_halign = $label_halign;
|
|
|
614
|
|
|
615 return $this;
|
|
|
616 }
|
|
|
617
|
|
|
618 /**
|
|
|
619 * Return label horizontal alignment.
|
|
|
620 *
|
|
|
621 * @return int
|
|
|
622 */
|
|
|
623 public function getLabelHalign()
|
|
|
624 {
|
|
|
625 return $this->label_halign;
|
|
|
626 }
|
|
|
627
|
|
|
628 /**
|
|
|
629 * Set label vertical alignment.
|
|
|
630 *
|
|
|
631 * @param int $label_valign Label vertical alignment
|
|
|
632 *
|
|
|
633 * @return QrCode
|
|
|
634 */
|
|
|
635 public function setLabelValign($label_valign)
|
|
|
636 {
|
|
|
637 $this->label_valign = $label_valign;
|
|
|
638
|
|
|
639 return $this;
|
|
|
640 }
|
|
|
641
|
|
|
642 /**
|
|
|
643 * Return label vertical alignment.
|
|
|
644 *
|
|
|
645 * @return int
|
|
|
646 */
|
|
|
647 public function getLabelValign()
|
|
|
648 {
|
|
|
649 return $this->label_valign;
|
|
|
650 }
|
|
|
651
|
|
|
652 /**
|
|
|
653 * Set foreground color of the QR Code.
|
|
|
654 *
|
|
|
655 * @param array $color_foreground RGB color
|
|
|
656 *
|
|
|
657 * @return QrCode
|
|
|
658 */
|
|
|
659 public function setForegroundColor($color_foreground)
|
|
|
660 {
|
|
|
661 if (!isset($color_foreground['a'])) {
|
|
|
662 $color_foreground['a'] = 0;
|
|
|
663 }
|
|
|
664
|
|
|
665 $this->color_foreground = $color_foreground;
|
|
|
666
|
|
|
667 return $this;
|
|
|
668 }
|
|
|
669
|
|
|
670 /**
|
|
|
671 * Return foreground color of the QR Code.
|
|
|
672 *
|
|
|
673 * @return array
|
|
|
674 */
|
|
|
675 public function getForegroundColor()
|
|
|
676 {
|
|
|
677 return $this->color_foreground;
|
|
|
678 }
|
|
|
679
|
|
|
680 /**
|
|
|
681 * Set background color of the QR Code.
|
|
|
682 *
|
|
|
683 * @param array $color_background RGB color
|
|
|
684 *
|
|
|
685 * @return QrCode
|
|
|
686 */
|
|
|
687 public function setBackgroundColor($color_background)
|
|
|
688 {
|
|
|
689 if (!isset($color_background['a'])) {
|
|
|
690 $color_background['a'] = 0;
|
|
|
691 }
|
|
|
692
|
|
|
693 $this->color_background = $color_background;
|
|
|
694
|
|
|
695 return $this;
|
|
|
696 }
|
|
|
697
|
|
|
698 /**
|
|
|
699 * Return background color of the QR Code.
|
|
|
700 *
|
|
|
701 * @return array
|
|
|
702 */
|
|
|
703 public function getBackgroundColor()
|
|
|
704 {
|
|
|
705 return $this->color_background;
|
|
|
706 }
|
|
|
707
|
|
|
708 /**
|
|
|
709 * Return the image resource.
|
|
|
710 *
|
|
|
711 * @return resource
|
|
|
712 */
|
|
|
713 public function getImage()
|
|
|
714 {
|
|
|
715 if (empty($this->image)) {
|
|
|
716 $this->create();
|
|
|
717 }
|
|
|
718
|
|
|
719 return $this->image;
|
|
|
720 }
|
|
|
721
|
|
|
722 /**
|
|
|
723 * Return the data URI.
|
|
|
724 *
|
|
|
725 * @return string
|
|
|
726 */
|
|
|
727 public function getDataUri()
|
|
|
728 {
|
|
|
729 if (empty($this->image)) {
|
|
|
730 $this->create();
|
|
|
731 }
|
|
|
732
|
|
|
733 ob_start();
|
|
|
734 call_user_func('image'.$this->image_type, $this->image);
|
|
|
735 $contents = ob_get_clean();
|
|
|
736
|
|
|
737 return 'data:image/'.$this->image_type.';base64,'.base64_encode($contents);
|
|
|
738 }
|
|
|
739
|
|
|
740 /**
|
|
|
741 * Render the QR Code then save it to given file name.
|
|
|
742 *
|
|
|
743 * @param string $filename File name of the QR Code
|
|
|
744 *
|
|
|
745 * @return QrCode
|
|
|
746 */
|
|
|
747 public function save($filename)
|
|
|
748 {
|
|
|
749 $this->render($filename);
|
|
|
750
|
|
|
751 return $this;
|
|
|
752 }
|
|
|
753
|
|
|
754 /**
|
|
|
755 * Render the QR Code then save it to given file name or
|
|
|
756 * output it to the browser when file name omitted.
|
|
|
757 *
|
|
|
758 * @param null|string $filename File name of the QR Code
|
|
|
759 * @param null|string $format Format of the file (png, jpeg, jpg, gif, wbmp)
|
|
|
760 *
|
|
|
761 * @throws ImageFunctionUnknownException
|
|
|
762 * @throws ImageFunctionFailedException
|
|
|
763 *
|
|
|
764 * @return QrCode
|
|
|
765 */
|
|
|
766 public function render($filename = null, $format = 'png')
|
|
|
767 {
|
|
|
768 $this->create();
|
|
|
769
|
|
|
770 if ($format == 'jpg') {
|
|
|
771 $format = 'jpeg';
|
|
|
772 }
|
|
|
773
|
|
|
774 if (!in_array($format, $this->image_types_available)) {
|
|
|
775 $format = $this->image_type;
|
|
|
776 }
|
|
|
777
|
|
|
778 if (!function_exists('image'.$format)) {
|
|
|
779 throw new ImageFunctionUnknownException('QRCode: function image'.$format.' does not exists.');
|
|
|
780 }
|
|
|
781
|
|
|
782 if ($filename === null) {
|
|
|
783 $success = call_user_func('image'.$format, $this->image);
|
|
|
784 } else {
|
|
|
785 $success = call_user_func_array('image'.$format, array($this->image, $filename));
|
|
|
786 }
|
|
|
787
|
|
|
788 if ($success === false) {
|
|
|
789 throw new ImageFunctionFailedException('QRCode: function image'.$format.' failed.');
|
|
|
790 }
|
|
|
791
|
|
|
792 return $this;
|
|
|
793 }
|
|
|
794
|
|
|
795 /**
|
|
|
796 * Create QR Code and return its content.
|
|
|
797 *
|
|
|
798 * @param string|null $format Image type (gif, png, wbmp, jpeg)
|
|
|
799 *
|
|
|
800 * @throws ImageFunctionUnknownException
|
|
|
801 * @throws ImageFunctionFailedException
|
|
|
802 *
|
|
|
803 * @return string
|
|
|
804 */
|
|
|
805 public function get($format = null)
|
|
|
806 {
|
|
|
807 $this->create();
|
|
|
808
|
|
|
809 if ($format == 'jpg') {
|
|
|
810 $format = 'jpeg';
|
|
|
811 }
|
|
|
812
|
|
|
813 if (!in_array($format, $this->image_types_available)) {
|
|
|
814 $format = $this->image_type;
|
|
|
815 }
|
|
|
816
|
|
|
817 if (!function_exists('image'.$format)) {
|
|
|
818 throw new ImageFunctionUnknownException('QRCode: function image'.$format.' does not exists.');
|
|
|
819 }
|
|
|
820
|
|
|
821 ob_start();
|
|
|
822 $success = call_user_func('image'.$format, $this->image);
|
|
|
823
|
|
|
824 if ($success === false) {
|
|
|
825 throw new ImageFunctionFailedException('QRCode: function image'.$format.' failed.');
|
|
|
826 }
|
|
|
827
|
|
|
828 $content = ob_get_clean();
|
|
|
829
|
|
|
830 return $content;
|
|
|
831 }
|
|
|
832
|
|
|
833 /**
|
|
|
834 * Create the image.
|
|
|
835 *
|
|
|
836 * @throws Exceptions\DataDoesntExistsException
|
|
|
837 * @throws Exceptions\VersionTooLargeException
|
|
|
838 * @throws Exceptions\ImageSizeTooLargeException
|
|
|
839 * @throws \OverflowException
|
|
|
840 */
|
|
|
841 public function create()
|
|
|
842 {
|
|
|
843 $image_path = $this->image_path;
|
|
|
844 $path = $this->path;
|
|
|
845
|
|
|
846 $version_ul = 40;
|
|
|
847
|
|
|
848 $qrcode_data_string = $this->text;//Previously from $_GET["d"];
|
|
|
849
|
|
|
850 $qrcode_error_correct = $this->error_correction;//Previously from $_GET["e"];
|
|
|
851 $qrcode_module_size = $this->module_size;//Previously from $_GET["s"];
|
|
|
852 $qrcode_version = $this->version;//Previously from $_GET["v"];
|
|
|
853 $qrcode_image_type = $this->image_type;//Previously from $_GET["t"];
|
|
|
854
|
|
|
855 $qrcode_structureappend_n = $this->structure_append_n;//Previously from $_GET["n"];
|
|
|
856 $qrcode_structureappend_m = $this->structure_append_m;//Previously from $_GET["m"];
|
|
|
857 $qrcode_structureappend_parity = $this->structure_append_parity;//Previously from $_GET["p"];
|
|
|
858 $qrcode_structureappend_originaldata = $this->structure_append_original_data;//Previously from $_GET["o"];
|
|
|
859
|
|
|
860 if ($qrcode_module_size > 0) {
|
|
|
861 } else {
|
|
|
862 if ($qrcode_image_type == 'jpeg') {
|
|
|
863 $qrcode_module_size = 8;
|
|
|
864 } else {
|
|
|
865 $qrcode_module_size = 4;
|
|
|
866 }
|
|
|
867 }
|
|
|
868 $data_length = strlen($qrcode_data_string);
|
|
|
869 if ($data_length <= 0) {
|
|
|
870 throw new DataDoesntExistsException('QRCode: data does not exist.');
|
|
|
871 }
|
|
|
872 $data_counter = 0;
|
|
|
873 if ($qrcode_structureappend_n > 1
|
|
|
874 && $qrcode_structureappend_n <= 16
|
|
|
875 && $qrcode_structureappend_m > 0
|
|
|
876 && $qrcode_structureappend_m <= 16) {
|
|
|
877 $data_value[0] = 3;
|
|
|
878 $data_bits[0] = 4;
|
|
|
879
|
|
|
880 $data_value[1] = $qrcode_structureappend_m - 1;
|
|
|
881 $data_bits[1] = 4;
|
|
|
882
|
|
|
883 $data_value[2] = $qrcode_structureappend_n - 1;
|
|
|
884 $data_bits[2] = 4;
|
|
|
885
|
|
|
886 $originaldata_length = strlen($qrcode_structureappend_originaldata);
|
|
|
887 if ($originaldata_length > 1) {
|
|
|
888 $qrcode_structureappend_parity = 0;
|
|
|
889 $i = 0;
|
|
|
890 while ($i < $originaldata_length) {
|
|
|
891 $qrcode_structureappend_parity = ($qrcode_structureappend_parity ^ ord(substr($qrcode_structureappend_originaldata, $i, 1)));
|
|
|
892 ++$i;
|
|
|
893 }
|
|
|
894 }
|
|
|
895
|
|
|
896 $data_value[3] = $qrcode_structureappend_parity;
|
|
|
897 $data_bits[3] = 8;
|
|
|
898
|
|
|
899 $data_counter = 4;
|
|
|
900 }
|
|
|
901
|
|
|
902 $data_bits[$data_counter] = 4;
|
|
|
903
|
|
|
904 /* --- determine encode mode */
|
|
|
905
|
|
|
906 if (preg_match('/[^0-9]/', $qrcode_data_string) != 0) {
|
|
|
907 if (preg_match("/[^0-9A-Z \$\*\%\+\.\/\:\-]/", $qrcode_data_string) != 0) {
|
|
|
908 /* --- 8bit byte mode */
|
|
|
909
|
|
|
910 $codeword_num_plus = array(0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
|
|
|
911 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8,
|
|
|
912 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, );
|
|
|
913
|
|
|
914 $data_value[$data_counter] = 4;
|
|
|
915 ++$data_counter;
|
|
|
916 $data_value[$data_counter] = $data_length;
|
|
|
917 $data_bits[$data_counter] = 8; /* #version 1-9 */
|
|
|
918 $codeword_num_counter_value = $data_counter;
|
|
|
919
|
|
|
920 ++$data_counter;
|
|
|
921 $i = 0;
|
|
|
922 while ($i < $data_length) {
|
|
|
923 $data_value[$data_counter] = ord(substr($qrcode_data_string, $i, 1));
|
|
|
924 $data_bits[$data_counter] = 8;
|
|
|
925 ++$data_counter;
|
|
|
926 ++$i;
|
|
|
927 }
|
|
|
928 } else {
|
|
|
929 /* ---- alphanumeric mode */
|
|
|
930
|
|
|
931 $codeword_num_plus = array(0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
|
|
|
932 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
|
|
|
933 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, );
|
|
|
934
|
|
|
935 $data_value[$data_counter] = 2;
|
|
|
936 ++$data_counter;
|
|
|
937 $data_value[$data_counter] = $data_length;
|
|
|
938 $data_bits[$data_counter] = 9; /* #version 1-9 */
|
|
|
939 $codeword_num_counter_value = $data_counter;
|
|
|
940
|
|
|
941 $alphanumeric_character_hash = array('0' => 0, '1' => 1, '2' => 2, '3' => 3, '4' => 4,
|
|
|
942 '5' => 5, '6' => 6, '7' => 7, '8' => 8, '9' => 9, 'A' => 10, 'B' => 11, 'C' => 12, 'D' => 13, 'E' => 14,
|
|
|
943 'F' => 15, 'G' => 16, 'H' => 17, 'I' => 18, 'J' => 19, 'K' => 20, 'L' => 21, 'M' => 22, 'N' => 23,
|
|
|
944 'O' => 24, 'P' => 25, 'Q' => 26, 'R' => 27, 'S' => 28, 'T' => 29, 'U' => 30, 'V' => 31,
|
|
|
945 'W' => 32, 'X' => 33, 'Y' => 34, 'Z' => 35, ' ' => 36, '$' => 37, '%' => 38, '*' => 39,
|
|
|
946 '+' => 40, '-' => 41, '.' => 42, '/' => 43, ':' => 44, );
|
|
|
947
|
|
|
948 $i = 0;
|
|
|
949 ++$data_counter;
|
|
|
950 while ($i < $data_length) {
|
|
|
951 if (($i % 2) == 0) {
|
|
|
952 $data_value[$data_counter] = $alphanumeric_character_hash[substr($qrcode_data_string, $i, 1)];
|
|
|
953 $data_bits[$data_counter] = 6;
|
|
|
954 } else {
|
|
|
955 $data_value[$data_counter] = $data_value[$data_counter] * 45 + $alphanumeric_character_hash[substr($qrcode_data_string, $i, 1)];
|
|
|
956 $data_bits[$data_counter] = 11;
|
|
|
957 ++$data_counter;
|
|
|
958 }
|
|
|
959 ++$i;
|
|
|
960 }
|
|
|
961 }
|
|
|
962 } else {
|
|
|
963 /* ---- numeric mode */
|
|
|
964
|
|
|
965 $codeword_num_plus = array(0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
|
|
|
966 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
|
|
|
967 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, );
|
|
|
968
|
|
|
969 $data_value[$data_counter] = 1;
|
|
|
970 ++$data_counter;
|
|
|
971 $data_value[$data_counter] = $data_length;
|
|
|
972 $data_bits[$data_counter] = 10; /* #version 1-9 */
|
|
|
973 $codeword_num_counter_value = $data_counter;
|
|
|
974
|
|
|
975 $i = 0;
|
|
|
976 ++$data_counter;
|
|
|
977 while ($i < $data_length) {
|
|
|
978 if (($i % 3) == 0) {
|
|
|
979 $data_value[$data_counter] = substr($qrcode_data_string, $i, 1);
|
|
|
980 $data_bits[$data_counter] = 4;
|
|
|
981 } else {
|
|
|
982 $data_value[$data_counter] = $data_value[$data_counter] * 10 + substr($qrcode_data_string, $i, 1);
|
|
|
983 if (($i % 3) == 1) {
|
|
|
984 $data_bits[$data_counter] = 7;
|
|
|
985 } else {
|
|
|
986 $data_bits[$data_counter] = 10;
|
|
|
987 ++$data_counter;
|
|
|
988 }
|
|
|
989 }
|
|
|
990 ++$i;
|
|
|
991 }
|
|
|
992 }
|
|
|
993 if (array_key_exists($data_counter, $data_bits) && $data_bits[$data_counter] > 0) {
|
|
|
994 ++$data_counter;
|
|
|
995 }
|
|
|
996 $i = 0;
|
|
|
997 $total_data_bits = 0;
|
|
|
998 while ($i < $data_counter) {
|
|
|
999 $total_data_bits += $data_bits[$i];
|
|
|
1000 ++$i;
|
|
|
1001 }
|
|
|
1002
|
|
|
1003 $ecc_character_hash = array('L' => '1',
|
|
|
1004 'l' => '1',
|
|
|
1005 'M' => '0',
|
|
|
1006 'm' => '0',
|
|
|
1007 'Q' => '3',
|
|
|
1008 'q' => '3',
|
|
|
1009 'H' => '2',
|
|
|
1010 'h' => '2', );
|
|
|
1011
|
|
|
1012 if (!is_numeric($qrcode_error_correct)) {
|
|
|
1013 $ec = @$ecc_character_hash[$qrcode_error_correct];
|
|
|
1014 } else {
|
|
|
1015 $ec = $qrcode_error_correct;
|
|
|
1016 }
|
|
|
1017
|
|
|
1018 if (!$ec) {
|
|
|
1019 $ec = 0;
|
|
|
1020 }
|
|
|
1021
|
|
|
1022 $max_data_bits = 0;
|
|
|
1023
|
|
|
1024 $max_data_bits_array = array(
|
|
|
1025 0, 128, 224, 352, 512, 688, 864, 992, 1232, 1456, 1728,
|
|
|
1026 2032, 2320, 2672, 2920, 3320, 3624, 4056, 4504, 5016, 5352,
|
|
|
1027 5712, 6256, 6880, 7312, 8000, 8496, 9024, 9544, 10136, 10984,
|
|
|
1028 11640, 12328, 13048, 13800, 14496, 15312, 15936, 16816, 17728, 18672,
|
|
|
1029
|
|
|
1030 152, 272, 440, 640, 864, 1088, 1248, 1552, 1856, 2192,
|
|
|
1031 2592, 2960, 3424, 3688, 4184, 4712, 5176, 5768, 6360, 6888,
|
|
|
1032 7456, 8048, 8752, 9392, 10208, 10960, 11744, 12248, 13048, 13880,
|
|
|
1033 14744, 15640, 16568, 17528, 18448, 19472, 20528, 21616, 22496, 23648,
|
|
|
1034
|
|
|
1035 72, 128, 208, 288, 368, 480, 528, 688, 800, 976,
|
|
|
1036 1120, 1264, 1440, 1576, 1784, 2024, 2264, 2504, 2728, 3080,
|
|
|
1037 3248, 3536, 3712, 4112, 4304, 4768, 5024, 5288, 5608, 5960,
|
|
|
1038 6344, 6760, 7208, 7688, 7888, 8432, 8768, 9136, 9776, 10208,
|
|
|
1039
|
|
|
1040 104, 176, 272, 384, 496, 608, 704, 880, 1056, 1232,
|
|
|
1041 1440, 1648, 1952, 2088, 2360, 2600, 2936, 3176, 3560, 3880,
|
|
|
1042 4096, 4544, 4912, 5312, 5744, 6032, 6464, 6968, 7288, 7880,
|
|
|
1043 8264, 8920, 9368, 9848, 10288, 10832, 11408, 12016, 12656, 13328,
|
|
|
1044 );
|
|
|
1045 if (!is_numeric($qrcode_version)) {
|
|
|
1046 $qrcode_version = 0;
|
|
|
1047 }
|
|
|
1048 if (!$qrcode_version) {
|
|
|
1049 /* #--- auto version select */
|
|
|
1050 $i = 1 + 40 * $ec;
|
|
|
1051 $j = $i + 39;
|
|
|
1052 $qrcode_version = 1;
|
|
|
1053 while ($i <= $j) {
|
|
|
1054 if (($max_data_bits_array[$i]) >= $total_data_bits + $codeword_num_plus[$qrcode_version]) {
|
|
|
1055 $max_data_bits = $max_data_bits_array[$i];
|
|
|
1056 break;
|
|
|
1057 }
|
|
|
1058 ++$i;
|
|
|
1059 ++$qrcode_version;
|
|
|
1060 }
|
|
|
1061 } else {
|
|
|
1062 $max_data_bits = $max_data_bits_array[$qrcode_version + 40 * $ec];
|
|
|
1063 }
|
|
|
1064 if ($qrcode_version > $version_ul) {
|
|
|
1065 throw new VersionTooLargeException('QRCode : version too large');
|
|
|
1066 }
|
|
|
1067
|
|
|
1068 $total_data_bits += $codeword_num_plus[$qrcode_version];
|
|
|
1069 $data_bits[$codeword_num_counter_value] += $codeword_num_plus[$qrcode_version];
|
|
|
1070
|
|
|
1071 $max_codewords_array = array(0, 26, 44, 70, 100, 134, 172, 196, 242,
|
|
|
1072 292, 346, 404, 466, 532, 581, 655, 733, 815, 901, 991, 1085, 1156,
|
|
|
1073 1258, 1364, 1474, 1588, 1706, 1828, 1921, 2051, 2185, 2323, 2465,
|
|
|
1074 2611, 2761, 2876, 3034, 3196, 3362, 3532, 3706, );
|
|
|
1075
|
|
|
1076 $max_codewords = $max_codewords_array[$qrcode_version];
|
|
|
1077 $max_modules_1side = 17 + ($qrcode_version << 2);
|
|
|
1078
|
|
|
1079 $matrix_remain_bit = array(0, 0, 7, 7, 7, 7, 7, 0, 0, 0, 0, 0, 0, 0, 3, 3, 3, 3, 3, 3, 3,
|
|
|
1080 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 0, 0, 0, 0, 0, 0, );
|
|
|
1081
|
|
|
1082 /* ---- read version ECC data file */
|
|
|
1083
|
|
|
1084 $byte_num = $matrix_remain_bit[$qrcode_version] + ($max_codewords << 3);
|
|
|
1085 $filename = $path.'/qrv'.$qrcode_version.'_'.$ec.'.dat';
|
|
|
1086 $fp1 = fopen($filename, 'rb');
|
|
|
1087 $matx = fread($fp1, $byte_num);
|
|
|
1088 $maty = fread($fp1, $byte_num);
|
|
|
1089 $masks = fread($fp1, $byte_num);
|
|
|
1090 $fi_x = fread($fp1, 15);
|
|
|
1091 $fi_y = fread($fp1, 15);
|
|
|
1092 $rs_ecc_codewords = ord(fread($fp1, 1));
|
|
|
1093 $rso = fread($fp1, 128);
|
|
|
1094 fclose($fp1);
|
|
|
1095
|
|
|
1096 $matrix_x_array = unpack('C*', $matx);
|
|
|
1097 $matrix_y_array = unpack('C*', $maty);
|
|
|
1098 $mask_array = unpack('C*', $masks);
|
|
|
1099
|
|
|
1100 $rs_block_order = unpack('C*', $rso);
|
|
|
1101
|
|
|
1102 $format_information_x2 = unpack('C*', $fi_x);
|
|
|
1103 $format_information_y2 = unpack('C*', $fi_y);
|
|
|
1104
|
|
|
1105 $format_information_x1 = array(0, 1, 2, 3, 4, 5, 7, 8, 8, 8, 8, 8, 8, 8, 8);
|
|
|
1106 $format_information_y1 = array(8, 8, 8, 8, 8, 8, 8, 8, 7, 5, 4, 3, 2, 1, 0);
|
|
|
1107
|
|
|
1108 $max_data_codewords = ($max_data_bits >> 3);
|
|
|
1109
|
|
|
1110 $filename = $path.'/rsc'.$rs_ecc_codewords.'.dat';
|
|
|
1111 $fp0 = fopen($filename, 'rb');
|
|
|
1112 $i = 0;
|
|
|
1113 $rs_cal_table_array = array();
|
|
|
1114 while ($i < 256) {
|
|
|
1115 $rs_cal_table_array[$i] = fread($fp0, $rs_ecc_codewords);
|
|
|
1116 ++$i;
|
|
|
1117 }
|
|
|
1118 fclose($fp0);
|
|
|
1119
|
|
|
1120 /* --- set terminator */
|
|
|
1121
|
|
|
1122 if ($total_data_bits <= $max_data_bits - 4) {
|
|
|
1123 $data_value[$data_counter] = 0;
|
|
|
1124 $data_bits[$data_counter] = 4;
|
|
|
1125 } else {
|
|
|
1126 if ($total_data_bits < $max_data_bits) {
|
|
|
1127 $data_value[$data_counter] = 0;
|
|
|
1128 $data_bits[$data_counter] = $max_data_bits - $total_data_bits;
|
|
|
1129 } else {
|
|
|
1130 if ($total_data_bits > $max_data_bits) {
|
|
|
1131 throw new \OverflowException('QRCode: overflow error');
|
|
|
1132 }
|
|
|
1133 }
|
|
|
1134 }
|
|
|
1135
|
|
|
1136 /* ----divide data by 8bit */
|
|
|
1137
|
|
|
1138 $i = 0;
|
|
|
1139 $codewords_counter = 0;
|
|
|
1140 $codewords[0] = 0;
|
|
|
1141 $remaining_bits = 8;
|
|
|
1142
|
|
|
1143 while ($i <= $data_counter) {
|
|
|
1144 $buffer = @$data_value[$i];
|
|
|
1145 $buffer_bits = @$data_bits[$i];
|
|
|
1146
|
|
|
1147 $flag = 1;
|
|
|
1148 while ($flag) {
|
|
|
1149 if ($remaining_bits > $buffer_bits) {
|
|
|
1150 $codewords[$codewords_counter] = ((@$codewords[$codewords_counter] << $buffer_bits) | $buffer);
|
|
|
1151 $remaining_bits -= $buffer_bits;
|
|
|
1152 $flag = 0;
|
|
|
1153 } else {
|
|
|
1154 $buffer_bits -= $remaining_bits;
|
|
|
1155 $codewords[$codewords_counter] = (($codewords[$codewords_counter] << $remaining_bits) | ($buffer >> $buffer_bits));
|
|
|
1156
|
|
|
1157 if ($buffer_bits == 0) {
|
|
|
1158 $flag = 0;
|
|
|
1159 } else {
|
|
|
1160 $buffer = ($buffer & ((1 << $buffer_bits) - 1));
|
|
|
1161 $flag = 1;
|
|
|
1162 }
|
|
|
1163
|
|
|
1164 ++$codewords_counter;
|
|
|
1165 if ($codewords_counter < $max_data_codewords - 1) {
|
|
|
1166 $codewords[$codewords_counter] = 0;
|
|
|
1167 }
|
|
|
1168 $remaining_bits = 8;
|
|
|
1169 }
|
|
|
1170 }
|
|
|
1171 ++$i;
|
|
|
1172 }
|
|
|
1173 if ($remaining_bits != 8) {
|
|
|
1174 $codewords[$codewords_counter] = $codewords[$codewords_counter] << $remaining_bits;
|
|
|
1175 } else {
|
|
|
1176 --$codewords_counter;
|
|
|
1177 }
|
|
|
1178
|
|
|
1179 /* ---- set padding character */
|
|
|
1180
|
|
|
1181 if ($codewords_counter < $max_data_codewords - 1) {
|
|
|
1182 $flag = 1;
|
|
|
1183 while ($codewords_counter < $max_data_codewords - 1) {
|
|
|
1184 ++$codewords_counter;
|
|
|
1185 if ($flag == 1) {
|
|
|
1186 $codewords[$codewords_counter] = 236;
|
|
|
1187 } else {
|
|
|
1188 $codewords[$codewords_counter] = 17;
|
|
|
1189 }
|
|
|
1190 $flag = $flag * (-1);
|
|
|
1191 }
|
|
|
1192 }
|
|
|
1193
|
|
|
1194 /* ---- RS-ECC prepare */
|
|
|
1195
|
|
|
1196 $i = 0;
|
|
|
1197 $j = 0;
|
|
|
1198 $rs_block_number = 0;
|
|
|
1199 $rs_temp[0] = '';
|
|
|
1200
|
|
|
1201 while ($i < $max_data_codewords) {
|
|
|
1202 $rs_temp[$rs_block_number] .= chr($codewords[$i]);
|
|
|
1203 ++$j;
|
|
|
1204
|
|
|
1205 if ($j >= $rs_block_order[$rs_block_number + 1] - $rs_ecc_codewords) {
|
|
|
1206 $j = 0;
|
|
|
1207 ++$rs_block_number;
|
|
|
1208 $rs_temp[$rs_block_number] = '';
|
|
|
1209 }
|
|
|
1210 ++$i;
|
|
|
1211 }
|
|
|
1212
|
|
|
1213 /*
|
|
|
1214 #
|
|
|
1215 # RS-ECC main
|
|
|
1216 #
|
|
|
1217 */
|
|
|
1218
|
|
|
1219 $rs_block_number = 0;
|
|
|
1220 $rs_block_order_num = count($rs_block_order);
|
|
|
1221
|
|
|
1222 while ($rs_block_number < $rs_block_order_num) {
|
|
|
1223 $rs_codewords = $rs_block_order[$rs_block_number + 1];
|
|
|
1224 $rs_data_codewords = $rs_codewords - $rs_ecc_codewords;
|
|
|
1225
|
|
|
1226 $rstemp = $rs_temp[$rs_block_number].str_repeat(chr(0), $rs_ecc_codewords);
|
|
|
1227 $padding_data = str_repeat(chr(0), $rs_data_codewords);
|
|
|
1228
|
|
|
1229 $j = $rs_data_codewords;
|
|
|
1230 while ($j > 0) {
|
|
|
1231 $first = ord(substr($rstemp, 0, 1));
|
|
|
1232
|
|
|
1233 if ($first) {
|
|
|
1234 $left_chr = substr($rstemp, 1);
|
|
|
1235 $cal = $rs_cal_table_array[$first].$padding_data;
|
|
|
1236 $rstemp = $left_chr ^ $cal;
|
|
|
1237 } else {
|
|
|
1238 $rstemp = substr($rstemp, 1);
|
|
|
1239 }
|
|
|
1240
|
|
|
1241 --$j;
|
|
|
1242 }
|
|
|
1243
|
|
|
1244 $codewords = array_merge($codewords, unpack('C*', $rstemp));
|
|
|
1245
|
|
|
1246 ++$rs_block_number;
|
|
|
1247 }
|
|
|
1248
|
|
|
1249 /* ---- flash matrix */
|
|
|
1250 $matrix_content = array();
|
|
|
1251 $i = 0;
|
|
|
1252 while ($i < $max_modules_1side) {
|
|
|
1253 $j = 0;
|
|
|
1254 while ($j < $max_modules_1side) {
|
|
|
1255 $matrix_content[$j][$i] = 0;
|
|
|
1256 ++$j;
|
|
|
1257 }
|
|
|
1258 ++$i;
|
|
|
1259 }
|
|
|
1260
|
|
|
1261 /* --- attach data */
|
|
|
1262
|
|
|
1263 $i = 0;
|
|
|
1264 while ($i < $max_codewords) {
|
|
|
1265 $codeword_i = $codewords[$i];
|
|
|
1266 $j = 8;
|
|
|
1267 while ($j >= 1) {
|
|
|
1268 $codeword_bits_number = ($i << 3) + $j;
|
|
|
1269 $matrix_content[ $matrix_x_array[$codeword_bits_number] ][ $matrix_y_array[$codeword_bits_number] ] = ((255 * ($codeword_i & 1)) ^ $mask_array[$codeword_bits_number]);
|
|
|
1270 $codeword_i = $codeword_i >> 1;
|
|
|
1271 --$j;
|
|
|
1272 }
|
|
|
1273 ++$i;
|
|
|
1274 }
|
|
|
1275
|
|
|
1276 $matrix_remain = $matrix_remain_bit[$qrcode_version];
|
|
|
1277 while ($matrix_remain) {
|
|
|
1278 $remain_bit_temp = $matrix_remain + ($max_codewords << 3);
|
|
|
1279 $matrix_content[ $matrix_x_array[$remain_bit_temp] ][ $matrix_y_array[$remain_bit_temp] ] = (255 ^ $mask_array[$remain_bit_temp]);
|
|
|
1280 --$matrix_remain;
|
|
|
1281 }
|
|
|
1282
|
|
|
1283 #--- mask select
|
|
|
1284
|
|
|
1285 $min_demerit_score = 0;
|
|
|
1286 $hor_master = '';
|
|
|
1287 $ver_master = '';
|
|
|
1288 $k = 0;
|
|
|
1289 while ($k < $max_modules_1side) {
|
|
|
1290 $l = 0;
|
|
|
1291 while ($l < $max_modules_1side) {
|
|
|
1292 $hor_master = $hor_master.chr($matrix_content[$l][$k]);
|
|
|
1293 $ver_master = $ver_master.chr($matrix_content[$k][$l]);
|
|
|
1294 ++$l;
|
|
|
1295 }
|
|
|
1296 ++$k;
|
|
|
1297 }
|
|
|
1298 $i = 0;
|
|
|
1299 $all_matrix = $max_modules_1side * $max_modules_1side;
|
|
|
1300 $mask_number = 0;
|
|
|
1301 while ($i < 8) {
|
|
|
1302 $demerit_n1 = 0;
|
|
|
1303 $ptn_temp = array();
|
|
|
1304 $bit = 1 << $i;
|
|
|
1305 $bit_r = (~$bit) & 255;
|
|
|
1306 $bit_mask = str_repeat(chr($bit), $all_matrix);
|
|
|
1307 $hor = $hor_master & $bit_mask;
|
|
|
1308 $ver = $ver_master & $bit_mask;
|
|
|
1309
|
|
|
1310 $ver_shift1 = $ver.str_repeat(chr(170), $max_modules_1side);
|
|
|
1311 $ver_shift2 = str_repeat(chr(170), $max_modules_1side).$ver;
|
|
|
1312 $ver_shift1_0 = $ver.str_repeat(chr(0), $max_modules_1side);
|
|
|
1313 $ver_shift2_0 = str_repeat(chr(0), $max_modules_1side).$ver;
|
|
|
1314 $ver_or = chunk_split(~($ver_shift1 | $ver_shift2), $max_modules_1side, chr(170));
|
|
|
1315 $ver_and = chunk_split(~($ver_shift1_0 & $ver_shift2_0), $max_modules_1side, chr(170));
|
|
|
1316
|
|
|
1317 $hor = chunk_split(~$hor, $max_modules_1side, chr(170));
|
|
|
1318 $ver = chunk_split(~$ver, $max_modules_1side, chr(170));
|
|
|
1319 $hor = $hor.chr(170).$ver;
|
|
|
1320
|
|
|
1321 $n1_search = '/'.str_repeat(chr(255), 5).'+|'.str_repeat(chr($bit_r), 5).'+/';
|
|
|
1322 $n3_search = chr($bit_r).chr(255).chr($bit_r).chr($bit_r).chr($bit_r).chr(255).chr($bit_r);
|
|
|
1323
|
|
|
1324 $demerit_n3 = substr_count($hor, $n3_search) * 40;
|
|
|
1325 $demerit_n4 = floor(abs(((100 * (substr_count($ver, chr($bit_r)) / ($byte_num))) - 50) / 5)) * 10;
|
|
|
1326
|
|
|
1327 $n2_search1 = '/'.chr($bit_r).chr($bit_r).'+/';
|
|
|
1328 $n2_search2 = '/'.chr(255).chr(255).'+/';
|
|
|
1329 $demerit_n2 = 0;
|
|
|
1330 preg_match_all($n2_search1, $ver_and, $ptn_temp);
|
|
|
1331 foreach ($ptn_temp[0] as $str_temp) {
|
|
|
1332 $demerit_n2 += (strlen($str_temp) - 1);
|
|
|
1333 }
|
|
|
1334 $ptn_temp = array();
|
|
|
1335 preg_match_all($n2_search2, $ver_or, $ptn_temp);
|
|
|
1336 foreach ($ptn_temp[0] as $str_temp) {
|
|
|
1337 $demerit_n2 += (strlen($str_temp) - 1);
|
|
|
1338 }
|
|
|
1339 $demerit_n2 *= 3;
|
|
|
1340
|
|
|
1341 $ptn_temp = array();
|
|
|
1342
|
|
|
1343 preg_match_all($n1_search, $hor, $ptn_temp);
|
|
|
1344 foreach ($ptn_temp[0] as $str_temp) {
|
|
|
1345 $demerit_n1 += (strlen($str_temp) - 2);
|
|
|
1346 }
|
|
|
1347
|
|
|
1348 $demerit_score = $demerit_n1 + $demerit_n2 + $demerit_n3 + $demerit_n4;
|
|
|
1349
|
|
|
1350 if ($demerit_score <= $min_demerit_score || $i == 0) {
|
|
|
1351 $mask_number = $i;
|
|
|
1352 $min_demerit_score = $demerit_score;
|
|
|
1353 }
|
|
|
1354
|
|
|
1355 ++$i;
|
|
|
1356 }
|
|
|
1357
|
|
|
1358 $mask_content = 1 << $mask_number;
|
|
|
1359
|
|
|
1360 # --- format information
|
|
|
1361
|
|
|
1362 $format_information_value = (($ec << 3) | $mask_number);
|
|
|
1363 $format_information_array = array('101010000010010', '101000100100101',
|
|
|
1364 '101111001111100', '101101101001011', '100010111111001', '100000011001110',
|
|
|
1365 '100111110010111', '100101010100000', '111011111000100', '111001011110011',
|
|
|
1366 '111110110101010', '111100010011101', '110011000101111', '110001100011000',
|
|
|
1367 '110110001000001', '110100101110110', '001011010001001', '001001110111110',
|
|
|
1368 '001110011100111', '001100111010000', '000011101100010', '000001001010101',
|
|
|
1369 '000110100001100', '000100000111011', '011010101011111', '011000001101000',
|
|
|
1370 '011111100110001', '011101000000110', '010010010110100', '010000110000011',
|
|
|
1371 '010111011011010', '010101111101101', );
|
|
|
1372 $i = 0;
|
|
|
1373 while ($i < 15) {
|
|
|
1374 $content = substr($format_information_array[$format_information_value], $i, 1);
|
|
|
1375
|
|
|
1376 $matrix_content[$format_information_x1[$i]][$format_information_y1[$i]] = $content * 255;
|
|
|
1377 $matrix_content[$format_information_x2[$i + 1]][$format_information_y2[$i + 1]] = $content * 255;
|
|
|
1378 ++$i;
|
|
|
1379 }
|
|
|
1380
|
|
|
1381 $mib = $max_modules_1side + 8;
|
|
|
1382
|
|
|
1383 if ($this->size == 0) {
|
|
|
1384 $this->size = $mib * $qrcode_module_size;
|
|
|
1385 if ($this->size > 1480) {
|
|
|
1386 throw new ImageSizeTooLargeException('QRCode: image size too large');
|
|
|
1387 }
|
|
|
1388 }
|
|
|
1389
|
|
|
1390 $image_width = $this->size + $this->padding * 2;
|
|
|
1391 $image_height = $this->size + $this->padding * 2;
|
|
|
1392
|
|
|
1393 if (!empty($this->label)) {
|
|
|
1394 if (!function_exists('imagettfbbox')) {
|
|
|
1395 throw new FreeTypeLibraryMissingException('QRCode: missing function "imagettfbbox". Did you install the FreeType library?');
|
|
|
1396 }
|
|
|
1397 $font_box = imagettfbbox($this->label_font_size, 0, $this->label_font_path, $this->label);
|
|
|
1398 $label_width = (int) $font_box[2] - (int) $font_box[0];
|
|
|
1399 $label_height = (int) $font_box[0] - (int) $font_box[7];
|
|
|
1400
|
|
|
1401 if ($this->label_valign == self::LABEL_VALIGN_MIDDLE) {
|
|
|
1402 $image_height += $label_height + $this->padding;
|
|
|
1403 } else {
|
|
|
1404 $image_height += $label_height;
|
|
|
1405 }
|
|
|
1406 }
|
|
|
1407
|
|
|
1408 $output_image = imagecreate($image_width, $image_height);
|
|
|
1409 imagecolorallocate($output_image, 255, 255, 255);
|
|
|
1410
|
|
|
1411 $image_path = $image_path.'/qrv'.$qrcode_version.'.png';
|
|
|
1412
|
|
|
1413 $base_image = imagecreatefrompng($image_path);
|
|
|
1414 $code_size = $this->size;
|
|
|
1415 $module_size = function ($size = 1) use ($code_size, $base_image) {
|
|
|
1416 return round($code_size / imagesx($base_image) * $size);
|
|
|
1417 };
|
|
|
1418
|
|
|
1419 $col[1] = imagecolorallocate($base_image, 0, 0, 0);
|
|
|
1420 $col[0] = imagecolorallocate($base_image, 255, 255, 255);
|
|
|
1421
|
|
|
1422 $i = 4;
|
|
|
1423 $mxe = 4 + $max_modules_1side;
|
|
|
1424 $ii = 0;
|
|
|
1425 while ($i < $mxe) {
|
|
|
1426 $j = 4;
|
|
|
1427 $jj = 0;
|
|
|
1428 while ($j < $mxe) {
|
|
|
1429 if ($matrix_content[$ii][$jj] & $mask_content) {
|
|
|
1430 imagesetpixel($base_image, $i, $j, $col[1]);
|
|
|
1431 }
|
|
|
1432 ++$j;
|
|
|
1433 ++$jj;
|
|
|
1434 }
|
|
|
1435 ++$i;
|
|
|
1436 ++$ii;
|
|
|
1437 }
|
|
|
1438
|
|
|
1439 if ($this->draw_quiet_zone == true) {
|
|
|
1440 imagecopyresampled($output_image, $base_image, $this->padding, $this->padding, 0, 0, $this->size, $this->size, $mib, $mib);
|
|
|
1441 } else {
|
|
|
1442 imagecopyresampled($output_image, $base_image, $this->padding, $this->padding, 4, 4, $this->size, $this->size, $mib - 8, $mib - 8);
|
|
|
1443 }
|
|
|
1444
|
|
|
1445 if ($this->draw_border == true) {
|
|
|
1446 $border_width = $this->padding;
|
|
|
1447 $border_height = $this->size + $this->padding - 1;
|
|
|
1448 $border_color = imagecolorallocate($output_image, 0, 0, 0);
|
|
|
1449 imagerectangle($output_image, $border_width, $border_width, $border_height, $border_height, $border_color);
|
|
|
1450 }
|
|
|
1451
|
|
|
1452 if (!empty($this->label)) {
|
|
|
1453 // Label horizontal alignment
|
|
|
1454 switch ($this->label_halign) {
|
|
|
1455 case self::LABEL_HALIGN_LEFT:
|
|
|
1456 $font_x = 0;
|
|
|
1457 break;
|
|
|
1458
|
|
|
1459 case self::LABEL_HALIGN_LEFT_BORDER:
|
|
|
1460 $font_x = $this->padding;
|
|
|
1461 break;
|
|
|
1462
|
|
|
1463 case self::LABEL_HALIGN_LEFT_CODE:
|
|
|
1464 if ($this->draw_quiet_zone == true) {
|
|
|
1465 $font_x = $this->padding + $module_size(4);
|
|
|
1466 } else {
|
|
|
1467 $font_x = $this->padding;
|
|
|
1468 }
|
|
|
1469 break;
|
|
|
1470
|
|
|
1471 case self::LABEL_HALIGN_RIGHT:
|
|
|
1472 $font_x = $this->size + ($this->padding * 2) - $label_width;
|
|
|
1473 break;
|
|
|
1474
|
|
|
1475 case self::LABEL_HALIGN_RIGHT_BORDER:
|
|
|
1476 $font_x = $this->size + $this->padding - $label_width;
|
|
|
1477 break;
|
|
|
1478
|
|
|
1479 case self::LABEL_HALIGN_RIGHT_CODE:
|
|
|
1480 if ($this->draw_quiet_zone == true) {
|
|
|
1481 $font_x = $this->size + $this->padding - $label_width - $module_size(4);
|
|
|
1482 } else {
|
|
|
1483 $font_x = $this->size + $this->padding - $label_width;
|
|
|
1484 }
|
|
|
1485 break;
|
|
|
1486
|
|
|
1487 default:
|
|
|
1488 $font_x = floor($image_width - $label_width) / 2;
|
|
|
1489 }
|
|
|
1490
|
|
|
1491 // Label vertical alignment
|
|
|
1492 switch ($this->label_valign) {
|
|
|
1493 case self::LABEL_VALIGN_TOP_NO_BORDER:
|
|
|
1494 $font_y = $image_height - $this->padding - 1;
|
|
|
1495 break;
|
|
|
1496
|
|
|
1497 case self::LABEL_VALIGN_BOTTOM:
|
|
|
1498 $font_y = $image_height;
|
|
|
1499 break;
|
|
|
1500
|
|
|
1501 default:
|
|
|
1502 $font_y = $image_height - $this->padding;
|
|
|
1503 }
|
|
|
1504
|
|
|
1505 $label_bg_x1 = $font_x - $module_size(2);
|
|
|
1506 $label_bg_y1 = $font_y - $label_height;
|
|
|
1507 $label_bg_x2 = $font_x + $label_width + $module_size(2);
|
|
|
1508 $label_bg_y2 = $font_y;
|
|
|
1509
|
|
|
1510 $color = imagecolorallocate($output_image, 0, 0, 0);
|
|
|
1511 $label_bg_color = imagecolorallocate($output_image, 255, 255, 255);
|
|
|
1512
|
|
|
1513 imagefilledrectangle($output_image, $label_bg_x1, $label_bg_y1, $label_bg_x2, $label_bg_y2, $label_bg_color);
|
|
|
1514 imagettftext($output_image, $this->label_font_size, 0, $font_x, $font_y, $color, $this->label_font_path, $this->label);
|
|
|
1515 }
|
|
|
1516
|
|
|
1517 $imagecolorset_function = new ReflectionFunction('imagecolorset');
|
|
|
1518 $allow_alpha = $imagecolorset_function->getNumberOfParameters() == 6;
|
|
|
1519
|
|
|
1520 if ($this->color_background != null) {
|
|
|
1521 $index = imagecolorclosest($output_image, 255, 255, 255);
|
|
|
1522 if ($allow_alpha) {
|
|
|
1523 imagecolorset($output_image, $index, $this->color_background['r'], $this->color_background['g'], $this->color_background['b'], $this->color_background['a']);
|
|
|
1524 } else {
|
|
|
1525 imagecolorset($output_image, $index, $this->color_background['r'], $this->color_background['g'], $this->color_background['b']);
|
|
|
1526 }
|
|
|
1527 }
|
|
|
1528
|
|
|
1529 if ($this->color_foreground != null) {
|
|
|
1530 $index = imagecolorclosest($output_image, 0, 0, 0);
|
|
|
1531 if ($allow_alpha) {
|
|
|
1532 imagecolorset($output_image, $index, $this->color_foreground['r'], $this->color_foreground['g'], $this->color_foreground['b'], $this->color_foreground['a']);
|
|
|
1533 } else {
|
|
|
1534 imagecolorset($output_image, $index, $this->color_foreground['r'], $this->color_foreground['g'], $this->color_foreground['b']);
|
|
|
1535 }
|
|
|
1536 }
|
|
|
1537
|
|
|
1538 if (!empty($this->logo)) {
|
|
|
1539 $output_image_org = $output_image;
|
|
|
1540 $output_image = imagecreatetruecolor($image_width, $image_height);
|
|
|
1541 imagecopy($output_image, $output_image_org, 0, 0, 0, 0, $image_width, $image_height);
|
|
|
1542
|
|
|
1543 $logo_image = call_user_func('imagecreatefrom'.$this->image_type, $this->logo);
|
|
|
1544 if (!$logo_image) {
|
|
|
1545 throw new ImageFunctionFailedException('imagecreatefrom'.$this->image_type.' '.$this->logo.' failed');
|
|
|
1546 }
|
|
|
1547 $src_w = imagesx($logo_image);
|
|
|
1548 $src_h = imagesy($logo_image);
|
|
|
1549
|
|
|
1550 $dst_x = ($image_width - $this->logo_size) / 2;
|
|
|
1551 $dst_y = ($this->size + $this->padding * 2 - $this->logo_size) / 2;
|
|
|
1552
|
|
|
1553 $successful = imagecopyresampled($output_image, $logo_image, $dst_x, $dst_y, 0, 0, $this->logo_size, $this->logo_size, $src_w, $src_h);
|
|
|
1554 if (!$successful) {
|
|
|
1555 throw new ImageFunctionFailedException('add logo [image'.$this->format.'] failed.');
|
|
|
1556 }
|
|
|
1557 imagedestroy($logo_image);
|
|
|
1558 }
|
|
|
1559 $this->image = $output_image;
|
|
|
1560 }
|
|
|
1561 }
|
