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1 <?php 2 //============================================================+ 3 // File name : c128bobject.php 4 // Begin : 2002-07-31 5 // Last Update : 2004-12-29 6 // Author : Karim Mribti [[email protected]] 7 // Version : 0.0.8a 2001-04-01 (original code) 8 // License : GNU LGPL (Lesser General Public License) 2.1 9 // http://www.gnu.org/copyleft/lesser.txt 10 // Source Code : http://www.mribti.com/barcode/ 11 // 12 // Description : Code 128-B Barcode Render Class for PHP using 13 // the GD graphics library. 14 // Code 128-B is a continuous, multilevel and full 15 // ASCII code. 16 // 17 // NOTE: 18 // This version contains changes by Nicola Asuni: 19 // - porting to PHP5 20 // - code style and formatting 21 // - automatic php documentation in PhpDocumentor Style 22 // (www.phpdoc.org) 23 // - minor bug fixing 24 //============================================================+ 25 26 /** 27 * Code 128-B Barcode Render Class for PHP using the GD graphics library.<br> 28 * Code 128-B is a continuous, multilevel and full ASCII code. 29 * @author Karim Mribti, Nicola Asuni 30 * @name BarcodeObject 31 * @package com.tecnick.tcpdf 32 * @version 0.0.8a 2001-04-01 (original code) 33 * @since 2001-03-25 34 * @license http://www.gnu.org/copyleft/lesser.html LGPL 35 */ 36 37 /** 38 * Code 128-B Barcode Render Class for PHP using the GD graphics library.<br> 39 * Code 128-B is a continuous, multilevel and full ASCII code. 40 * @author Karim Mribti, Nicola Asuni 41 * @name BarcodeObject 42 * @package com.tecnick.tcpdf 43 * @version 0.0.8a 2001-04-01 (original code) 44 * @since 2001-03-25 45 * @license http://www.gnu.org/copyleft/lesser.html LGPL 46 */ 47 class C128BObject extends BarcodeObject { 48 49 /** 50 * Class Constructor. 51 * @param int $Width Image width in pixels. 52 * @param int $Height Image height in pixels. 53 * @param int $Style Barcode style. 54 * @param int $Value value to print on barcode. 55 */ 56 public function __construct($Width, $Height, $Style, $Value) { 57 parent::__construct($Width, $Height, $Style); 58 $this->mValue = $Value; 59 $this->mChars = " !\"#$%&'()*+�-./0123456789:;<=>?@ABCDEFGHIJKLMNOPQRSTUVWXYZ[\\]^_`abcdefghijklmnopqrstuvwxyz{ }~"; 60 $this->mCharSet = array ( 61 "212222", /* 00 */ 62 "222122", /* 01 */ 63 "222221", /* 02 */ 64 "121223", /* 03 */ 65 "121322", /* 04 */ 66 "131222", /* 05 */ 67 "122213", /* 06 */ 68 "122312", /* 07 */ 69 "132212", /* 08 */ 70 "221213", /* 09 */ 71 "221312", /* 10 */ 72 "231212", /* 11 */ 73 "112232", /* 12 */ 74 "122132", /* 13 */ 75 "122231", /* 14 */ 76 "113222", /* 15 */ 77 "123122", /* 16 */ 78 "123221", /* 17 */ 79 "223211", /* 18 */ 80 "221132", /* 19 */ 81 "221231", /* 20 */ 82 "213212", /* 21 */ 83 "223112", /* 22 */ 84 "312131", /* 23 */ 85 "311222", /* 24 */ 86 "321122", /* 25 */ 87 "321221", /* 26 */ 88 "312212", /* 27 */ 89 "322112", /* 28 */ 90 "322211", /* 29 */ 91 "212123", /* 30 */ 92 "212321", /* 31 */ 93 "232121", /* 32 */ 94 "111323", /* 33 */ 95 "131123", /* 34 */ 96 "131321", /* 35 */ 97 "112313", /* 36 */ 98 "132113", /* 37 */ 99 "132311", /* 38 */ 100 "211313", /* 39 */ 101 "231113", /* 40 */ 102 "231311", /* 41 */ 103 "112133", /* 42 */ 104 "112331", /* 43 */ 105 "132131", /* 44 */ 106 "113123", /* 45 */ 107 "113321", /* 46 */ 108 "133121", /* 47 */ 109 "313121", /* 48 */ 110 "211331", /* 49 */ 111 "231131", /* 50 */ 112 "213113", /* 51 */ 113 "213311", /* 52 */ 114 "213131", /* 53 */ 115 "311123", /* 54 */ 116 "311321", /* 55 */ 117 "331121", /* 56 */ 118 "312113", /* 57 */ 119 "312311", /* 58 */ 120 "332111", /* 59 */ 121 "314111", /* 60 */ 122 "221411", /* 61 */ 123 "431111", /* 62 */ 124 "111224", /* 63 */ 125 "111422", /* 64 */ 126 "121124", /* 65 */ 127 "121421", /* 66 */ 128 "141122", /* 67 */ 129 "141221", /* 68 */ 130 "112214", /* 69 */ 131 "112412", /* 70 */ 132 "122114", /* 71 */ 133 "122411", /* 72 */ 134 "142112", /* 73 */ 135 "142211", /* 74 */ 136 "241211", /* 75 */ 137 "221114", /* 76 */ 138 "413111", /* 77 */ 139 "241112", /* 78 */ 140 "134111", /* 79 */ 141 "111242", /* 80 */ 142 "121142", /* 81 */ 143 "121241", /* 82 */ 144 "114212", /* 83 */ 145 "124112", /* 84 */ 146 "124211", /* 85 */ 147 "411212", /* 86 */ 148 "421112", /* 87 */ 149 "421211", /* 88 */ 150 "212141", /* 89 */ 151 "214121", /* 90 */ 152 "412121", /* 91 */ 153 "111143", /* 92 */ 154 "111341", /* 93 */ 155 "131141", /* 94 */ 156 "114113", /* 95 */ 157 "114311", /* 96 */ 158 "411113", /* 97 */ 159 "411311", /* 98 */ 160 "113141", /* 99 */ 161 "114131", /* 100 */ 162 "311141", /* 101 */ 163 "411131" /* 102 */ 164 ); 165 } 166 167 /** 168 * Returns the character index. 169 * @param char $char character. 170 * @return int character index or -1 in case of error. 171 * @access private 172 */ 173 private function GetCharIndex($char) { 174 for ($i=0;$i<95;$i++) { 175 if ($this->mChars[$i] == $char) { 176 return $i; 177 } 178 } 179 return -1; 180 } 181 182 /** 183 * Returns the bar size. 184 * @param int $xres Horizontal resolution. 185 * @param char $char Character. 186 * @return int barcode size. 187 * @access private 188 */ 189 private function GetBarSize($xres, $char) { 190 switch ($char) { 191 case '1': { 192 $cVal = BCD_C128_BAR_1; 193 break; 194 } 195 case '2': { 196 $cVal = BCD_C128_BAR_2; 197 break; 198 } 199 case '3': { 200 $cVal = BCD_C128_BAR_3; 201 break; 202 } 203 case '4': { 204 $cVal = BCD_C128_BAR_4; 205 break; 206 } 207 default: { 208 $cVal = 0; 209 } 210 } 211 return $cVal * $xres; 212 } 213 214 /** 215 * Returns barcode size. 216 * @param int $xres Horizontal resolution. 217 * @return barcode size. 218 * @access private 219 */ 220 private function GetSize($xres) { 221 $len = strlen($this->mValue); 222 223 if ($len == 0) { 224 $this->mError = "Null value"; 225 return false; 226 } 227 $ret = 0; 228 for ($i=0;$i<$len;$i++) { 229 if (($id = $this->GetCharIndex($this->mValue[$i])) == -1) { 230 $this->mError = "C128B not include the char '".$this->mValue[$i]."'"; 231 return false; 232 } else { 233 $cset = $this->mCharSet[$id]; 234 $ret += $this->GetBarSize($xres, $cset[0]); 235 $ret += $this->GetBarSize($xres, $cset[1]); 236 $ret += $this->GetBarSize($xres, $cset[2]); 237 $ret += $this->GetBarSize($xres, $cset[3]); 238 $ret += $this->GetBarSize($xres, $cset[4]); 239 $ret += $this->GetBarSize($xres, $cset[5]); 240 } 241 } 242 /* length of Check character */ 243 $cset = $this->GetCheckCharValue(); 244 $CheckSize = 0; 245 for ($i=0;$i<6;$i++) { 246 $CheckSize += $this->GetBarSize($cset[$i], $xres); 247 } 248 249 $StartSize = 2*BCD_C128_BAR_2*$xres + 3*BCD_C128_BAR_1*$xres + BCD_C128_BAR_4*$xres; 250 $StopSize = 2*BCD_C128_BAR_2*$xres + 3*BCD_C128_BAR_1*$xres + 2*BCD_C128_BAR_3*$xres; 251 252 return $StartSize + $ret + $CheckSize + $StopSize; 253 } 254 255 /** 256 * Returns the check-char value. 257 * @return string. 258 * @access private 259 */ 260 private function GetCheckCharValue() { 261 $len = strlen($this->mValue); 262 $sum = 104; // 'B' type; 263 for ($i=0;$i<$len;$i++) { 264 $sum += $this->GetCharIndex($this->mValue[$i]) * ($i+1); 265 } 266 $check = $sum % 103; 267 return $this->mCharSet[$check]; 268 } 269 270 /** 271 * Draws the start code. 272 * @param int $DrawPos Drawing position. 273 * @param int $yPos Vertical position. 274 * @param int $ySize Vertical size. 275 * @param int $xres Horizontal resolution. 276 * @return int drawing position. 277 * @access private 278 */ 279 private function DrawStart($DrawPos, $yPos, $ySize, $xres) { 280 /* Start code is '211214' */ 281 $this->DrawSingleBar($DrawPos, BCD_DEFAULT_MAR_Y1, $this->GetBarSize('2', $xres), $ySize); 282 $DrawPos += $this->GetBarSize('2', $xres); 283 $DrawPos += $this->GetBarSize('1', $xres); 284 $this->DrawSingleBar($DrawPos, BCD_DEFAULT_MAR_Y1, $this->GetBarSize('1', $xres), $ySize); 285 $DrawPos += $this->GetBarSize('1', $xres); 286 $DrawPos += $this->GetBarSize('2', $xres); 287 $this->DrawSingleBar($DrawPos, BCD_DEFAULT_MAR_Y1, $this->GetBarSize('1', $xres), $ySize); 288 $DrawPos += $this->GetBarSize('1', $xres); 289 $DrawPos += $this->GetBarSize('4', $xres); 290 return $DrawPos; 291 } 292 293 /** 294 * Draws the stop code. 295 * @param int $DrawPos Drawing position. 296 * @param int $yPos Vertical position. 297 * @param int $ySize Vertical size. 298 * @param int $xres Horizontal resolution. 299 * @return int drawing position. 300 * @access private 301 */ 302 private function DrawStop($DrawPos, $yPos, $ySize, $xres) { 303 /* Stop code is '2331112' */ 304 $this->DrawSingleBar($DrawPos, BCD_DEFAULT_MAR_Y1, $this->GetBarSize('2', $xres) , $ySize); 305 $DrawPos += $this->GetBarSize('2', $xres); 306 $DrawPos += $this->GetBarSize('3', $xres); 307 $this->DrawSingleBar($DrawPos, BCD_DEFAULT_MAR_Y1, $this->GetBarSize('3', $xres) , $ySize); 308 $DrawPos += $this->GetBarSize('3', $xres); 309 $DrawPos += $this->GetBarSize('1', $xres); 310 $this->DrawSingleBar($DrawPos, BCD_DEFAULT_MAR_Y1, $this->GetBarSize('1', $xres) , $ySize); 311 $DrawPos += $this->GetBarSize('1', $xres); 312 $DrawPos += $this->GetBarSize('1', $xres); 313 $this->DrawSingleBar($DrawPos, BCD_DEFAULT_MAR_Y1, $this->GetBarSize('2', $xres) , $ySize); 314 $DrawPos += $this->GetBarSize('2', $xres); 315 return $DrawPos; 316 } 317 318 /** 319 * Draws the check-char code. 320 * @param int $DrawPos Drawing position. 321 * @param int $yPos Vertical position. 322 * @param int $ySize Vertical size. 323 * @param int $xres Horizontal resolution. 324 * @return int drawing position. 325 * @access private 326 */ 327 private function DrawCheckChar($DrawPos, $yPos, $ySize, $xres) { 328 $cset = $this->GetCheckCharValue(); 329 $this->DrawSingleBar($DrawPos, BCD_DEFAULT_MAR_Y1, $this->GetBarSize($cset[0], $xres) , $ySize); 330 $DrawPos += $this->GetBarSize($cset[0], $xres); 331 $DrawPos += $this->GetBarSize($cset[1], $xres); 332 $this->DrawSingleBar($DrawPos, BCD_DEFAULT_MAR_Y1, $this->GetBarSize($cset[2], $xres) , $ySize); 333 $DrawPos += $this->GetBarSize($cset[2], $xres); 334 $DrawPos += $this->GetBarSize($cset[3], $xres); 335 $this->DrawSingleBar($DrawPos, BCD_DEFAULT_MAR_Y1, $this->GetBarSize($cset[4], $xres) , $ySize); 336 $DrawPos += $this->GetBarSize($cset[4], $xres); 337 $DrawPos += $this->GetBarSize($cset[5], $xres); 338 return $DrawPos; 339 } 340 341 /** 342 * Draws the barcode object. 343 * @param int $xres Horizontal resolution. 344 * @return bool true in case of success. 345 */ 346 public function DrawObject($xres) { 347 $len = strlen($this->mValue); 348 if (($size = $this->GetSize($xres))==0) { 349 return false; 350 } 351 352 if ($this->mStyle & BCS_ALIGN_CENTER) $sPos = (integer)(($this->mWidth - $size ) / 2); 353 else if ($this->mStyle & BCS_ALIGN_RIGHT) $sPos = $this->mWidth - $size; 354 else $sPos = 0; 355 356 /* Total height of bar code -Bars only- */ 357 if ($this->mStyle & BCS_DRAW_TEXT) $ysize = $this->mHeight - BCD_DEFAULT_MAR_Y1 - BCD_DEFAULT_MAR_Y2 - $this->GetFontHeight($this->mFont); 358 else $ysize = $this->mHeight - BCD_DEFAULT_MAR_Y1 - BCD_DEFAULT_MAR_Y2; 359 360 /* Draw text */ 361 if ($this->mStyle & BCS_DRAW_TEXT) { 362 if ($this->mStyle & BCS_STRETCH_TEXT) { 363 for ($i=0;$i<$len;$i++) { 364 $this->DrawChar($this->mFont, $sPos+(2*BCD_C128_BAR_2*$xres + 3*BCD_C128_BAR_1*$xres + BCD_C128_BAR_4*$xres)+($size/$len)*$i, 365 $ysize + BCD_DEFAULT_MAR_Y1 + BCD_DEFAULT_TEXT_OFFSET, $this->mValue[$i]); 366 } 367 } else {/* Center */ 368 $text_width = $this->GetFontWidth($this->mFont) * strlen($this->mValue); 369 $this->DrawText($this->mFont, $sPos+(($size-$text_width)/2)+(2*BCD_C128_BAR_2*$xres + 3*BCD_C128_BAR_1*$xres + BCD_C128_BAR_4*$xres), 370 $ysize + BCD_DEFAULT_MAR_Y1 + BCD_DEFAULT_TEXT_OFFSET, $this->mValue); 371 } 372 } 373 374 $cPos = 0; 375 $DrawPos = $this->DrawStart($sPos, BCD_DEFAULT_MAR_Y1 , $ysize, $xres); 376 do { 377 $c = $this->GetCharIndex($this->mValue[$cPos]); 378 $cset = $this->mCharSet[$c]; 379 $this->DrawSingleBar($DrawPos, BCD_DEFAULT_MAR_Y1, $this->GetBarSize($cset[0], $xres) , $ysize); 380 $DrawPos += $this->GetBarSize($cset[0], $xres); 381 $DrawPos += $this->GetBarSize($cset[1], $xres); 382 $this->DrawSingleBar($DrawPos, BCD_DEFAULT_MAR_Y1, $this->GetBarSize($cset[2], $xres) , $ysize); 383 $DrawPos += $this->GetBarSize($cset[2], $xres); 384 $DrawPos += $this->GetBarSize($cset[3], $xres); 385 $this->DrawSingleBar($DrawPos, BCD_DEFAULT_MAR_Y1, $this->GetBarSize($cset[4], $xres) , $ysize); 386 $DrawPos += $this->GetBarSize($cset[4], $xres); 387 $DrawPos += $this->GetBarSize($cset[5], $xres); 388 $cPos++; 389 } while ($cPos<$len); 390 $DrawPos = $this->DrawCheckChar($DrawPos, BCD_DEFAULT_MAR_Y1 , $ysize, $xres); 391 $DrawPos = $this->DrawStop($DrawPos, BCD_DEFAULT_MAR_Y1 , $ysize, $xres); 392 return true; 393 } 394 } 395 396 //============================================================+ 397 // END OF FILE 398 //============================================================+ 399 ?>
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| Generated: Fri Nov 28 20:08:37 2014 | Cross-referenced by PHPXref 0.7.1 |