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1 <?php 2 //============================================================+ 3 // File name : c128cobject.php 4 // Begin : 2002-07-31 5 // Last Update : 2004-12-29 6 // Author : Karim Mribti [[email protected]] 7 // : Sam Michaels [[email protected]] 8 // : Nicola Asuni [[email protected]] 9 // Version : 0.0.8a 2001-04-01 (original code) 10 // License : GNU LGPL (Lesser General Public License) 2.1 11 // http://www.gnu.org/copyleft/lesser.txt 12 // Source Code : http://www.mribti.com/barcode/ 13 // 14 // Description : Code 128-C Barcode Render Class for PHP using 15 // the GD graphics library. 16 // Code 128-C is numeric only and provides the 17 // most efficiency. 18 // 19 // NOTE: 20 // This version contains changes by Nicola Asuni: 21 // - porting to PHP5 22 // - code style and formatting 23 // - automatic php documentation in PhpDocumentor Style 24 // (www.phpdoc.org) 25 // - minor bug fixing 26 //============================================================+ 27 28 /** 29 * Code 128-C Barcode Render Class for PHP using the GD graphics library.<br> 30 * Code 128-C is numeric only and provides the most efficiency. 31 * @author Karim Mribti, Nicola Asuni 32 * @name BarcodeObject 33 * @package com.tecnick.tcpdf 34 * @version 0.0.8a 2001-04-01 (original code) 35 * @since 2001-03-25 36 * @license http://www.gnu.org/copyleft/lesser.html LGPL 37 */ 38 39 /** 40 * Code 128-C Barcode Render Class for PHP using the GD graphics library.<br> 41 * Code 128-C is numeric only and provides the most efficiency. 42 * @author Karim Mribti, Nicola Asuni 43 * @name BarcodeObject 44 * @package com.tecnick.tcpdf 45 * @version 0.0.8a 2001-04-01 (original code) 46 * @since 2001-03-25 47 * @license http://www.gnu.org/copyleft/lesser.html LGPL 48 */ 49 class C128CObject extends BarcodeObject { 50 51 /** 52 * Class Constructor. 53 * @param int $Width Image width in pixels. 54 * @param int $Height Image height in pixels. 55 * @param int $Style Barcode style. 56 * @param int $Value value to print on barcode. 57 */ 58 public function __construct($Width, $Height, $Style, $Value) { 59 parent::__construct($Width, $Height, $Style); 60 $this->mValue = $Value; 61 $this->mChars = array ( 62 "00", "01", "02", "03", "04", "05", "06", "07", "08", "09", 63 "10", "11", "12", "13", "14", "15", "16", "17", "18", "19", 64 "20", "21", "22", "23", "24", "25", "26", "27", "28", "29", 65 "30", "31", "32", "33", "34", "35", "36", "37", "38", "39", 66 "40", "41", "42", "43", "44", "45", "46", "47", "48", "49", 67 "50", "51", "52", "53", "54", "55", "56", "57", "58", "59", 68 "60", "61", "62", "63", "64", "65", "66", "67", "68", "69", 69 "70", "71", "72", "73", "74", "75", "76", "77", "78", "79", 70 "80", "81", "82", "83", "84", "85", "86", "87", "88", "89", 71 "90", "91", "92", "93", "94", "95", "96", "97", "98", "99", 72 ); 73 $this->mCharSet = array ( 74 "212222", /* 00 */ 75 "222122", /* 01 */ 76 "222221", /* 02 */ 77 "121223", /* 03 */ 78 "121322", /* 04 */ 79 "131222", /* 05 */ 80 "122213", /* 06 */ 81 "122312", /* 07 */ 82 "132212", /* 08 */ 83 "221213", /* 09 */ 84 "221312", /* 10 */ 85 "231212", /* 11 */ 86 "112232", /* 12 */ 87 "122132", /* 13 */ 88 "122231", /* 14 */ 89 "113222", /* 15 */ 90 "123122", /* 16 */ 91 "123221", /* 17 */ 92 "223211", /* 18 */ 93 "221132", /* 19 */ 94 "221231", /* 20 */ 95 "213212", /* 21 */ 96 "223112", /* 22 */ 97 "312131", /* 23 */ 98 "311222", /* 24 */ 99 "321122", /* 25 */ 100 "321221", /* 26 */ 101 "312212", /* 27 */ 102 "322112", /* 28 */ 103 "322211", /* 29 */ 104 "212123", /* 30 */ 105 "212321", /* 31 */ 106 "232121", /* 32 */ 107 "111323", /* 33 */ 108 "131123", /* 34 */ 109 "131321", /* 35 */ 110 "112313", /* 36 */ 111 "132113", /* 37 */ 112 "132311", /* 38 */ 113 "211313", /* 39 */ 114 "231113", /* 40 */ 115 "231311", /* 41 */ 116 "112133", /* 42 */ 117 "112331", /* 43 */ 118 "132131", /* 44 */ 119 "113123", /* 45 */ 120 "113321", /* 46 */ 121 "133121", /* 47 */ 122 "313121", /* 48 */ 123 "211331", /* 49 */ 124 "231131", /* 50 */ 125 "213113", /* 51 */ 126 "213311", /* 52 */ 127 "213131", /* 53 */ 128 "311123", /* 54 */ 129 "311321", /* 55 */ 130 "331121", /* 56 */ 131 "312113", /* 57 */ 132 "312311", /* 58 */ 133 "332111", /* 59 */ 134 "314111", /* 60 */ 135 "221411", /* 61 */ 136 "431111", /* 62 */ 137 "111224", /* 63 */ 138 "111422", /* 64 */ 139 "121124", /* 65 */ 140 "121421", /* 66 */ 141 "141122", /* 67 */ 142 "141221", /* 68 */ 143 "112214", /* 69 */ 144 "112412", /* 70 */ 145 "122114", /* 71 */ 146 "122411", /* 72 */ 147 "142112", /* 73 */ 148 "142211", /* 74 */ 149 "241211", /* 75 */ 150 "221114", /* 76 */ 151 "413111", /* 77 */ 152 "241112", /* 78 */ 153 "134111", /* 79 */ 154 "111242", /* 80 */ 155 "121142", /* 81 */ 156 "121241", /* 82 */ 157 "114212", /* 83 */ 158 "124112", /* 84 */ 159 "124211", /* 85 */ 160 "411212", /* 86 */ 161 "421112", /* 87 */ 162 "421211", /* 88 */ 163 "212141", /* 89 */ 164 "214121", /* 90 */ 165 "412121", /* 91 */ 166 "111143", /* 92 */ 167 "111341", /* 93 */ 168 "131141", /* 94 */ 169 "114113", /* 95 */ 170 "114311", /* 96 */ 171 "411113", /* 97 */ 172 "411311", /* 98 */ 173 "113141", /* 99 */ 174 ); 175 } 176 177 /** 178 * Returns the character index. 179 * @param char $char character. 180 * @return int character index or -1 in case of error. 181 * @access private 182 */ 183 private function GetCharIndex($char) { 184 for ($i=0;$i<100;$i++) { 185 if ($this->mChars[$i] == $char) { 186 return $i; 187 } 188 } 189 return -1; 190 } 191 192 /** 193 * Returns the bar size. 194 * @param int $xres Horizontal resolution. 195 * @param char $char Character. 196 * @return int barcode size. 197 * @access private 198 */ 199 private function GetBarSize($xres, $char) { 200 switch ($char) { 201 case '1': { 202 $cVal = BCD_C128_BAR_1; 203 break; 204 } 205 case '2': { 206 $cVal = BCD_C128_BAR_2; 207 break; 208 } 209 case '3': { 210 $cVal = BCD_C128_BAR_3; 211 break; 212 } 213 case '4': { 214 $cVal = BCD_C128_BAR_4; 215 break; 216 } 217 default: { 218 $cVal = 0; 219 } 220 } 221 return $cVal * $xres; 222 } 223 224 /** 225 * Returns barcode size. 226 * @param int $xres Horizontal resolution. 227 * @return barcode size. 228 * @access private 229 */ 230 private function GetSize($xres) { 231 $len = strlen($this->mValue); 232 233 if ($len == 0) { 234 $this->mError = "Null value"; 235 return false; 236 } 237 $ret = 0; 238 239 for ($i=0;$i<$len;$i++) { 240 if ((ord($this->mValue[$i])<48) || (ord($this->mValue[$i])>57)) { 241 $this->mError = "Code-128C is numeric only"; 242 return false; 243 } 244 } 245 246 if (($len%2) != 0) { 247 $this->mError = "The length of barcode value must be even. You must pad the number with zeros."; 248 return false; 249 } 250 251 for ($i=0;$i<$len;$i+=2) { 252 $id = $this->GetCharIndex($this->mValue[$i].$this->mValue[$i+1]); 253 $cset = $this->mCharSet[$id]; 254 $ret += $this->GetBarSize($xres, $cset[0]); 255 $ret += $this->GetBarSize($xres, $cset[1]); 256 $ret += $this->GetBarSize($xres, $cset[2]); 257 $ret += $this->GetBarSize($xres, $cset[3]); 258 $ret += $this->GetBarSize($xres, $cset[4]); 259 $ret += $this->GetBarSize($xres, $cset[5]); 260 } 261 /* length of Check character */ 262 $cset = $this->GetCheckCharValue(); 263 $CheckSize = 0; 264 for ($i=0;$i<6;$i++) { 265 $CheckSize += $this->GetBarSize($cset[$i], $xres); 266 } 267 268 $StartSize = 2*BCD_C128_BAR_2*$xres + 3*BCD_C128_BAR_1*$xres + BCD_C128_BAR_4*$xres; 269 $StopSize = 2*BCD_C128_BAR_2*$xres + 3*BCD_C128_BAR_1*$xres + 2*BCD_C128_BAR_3*$xres; 270 return $StartSize + $ret + $CheckSize + $StopSize; 271 } 272 273 /** 274 * Returns the check-char value. 275 * @return string. 276 * @access private 277 */ 278 private function GetCheckCharValue() { 279 $len = strlen($this->mValue); 280 $sum = 105; // 'C' type; 281 $m = 0; 282 for ($i=0;$i<$len;$i+=2) { 283 $m++; 284 $sum += $this->GetCharIndex($this->mValue[$i].$this->mValue[$i+1]) * $m; 285 } 286 $check = $sum % 103; 287 return $this->mCharSet[$check]; 288 } 289 290 /** 291 * Draws the start code. 292 * @param int $DrawPos Drawing position. 293 * @param int $yPos Vertical position. 294 * @param int $ySize Vertical size. 295 * @param int $xres Horizontal resolution. 296 * @return int drawing position. 297 * @access private 298 */ 299 private function DrawStart($DrawPos, $yPos, $ySize, $xres) { 300 /* Start code is '211232' */ 301 $this->DrawSingleBar($DrawPos, BCD_DEFAULT_MAR_Y1, $this->GetBarSize('2', $xres) , $ySize); 302 $DrawPos += $this->GetBarSize('2', $xres); 303 $DrawPos += $this->GetBarSize('1', $xres); 304 $this->DrawSingleBar($DrawPos, BCD_DEFAULT_MAR_Y1, $this->GetBarSize('1', $xres) , $ySize); 305 $DrawPos += $this->GetBarSize('1', $xres); 306 $DrawPos += $this->GetBarSize('2', $xres); 307 $this->DrawSingleBar($DrawPos, BCD_DEFAULT_MAR_Y1, $this->GetBarSize('3', $xres) , $ySize); 308 $DrawPos += $this->GetBarSize('3', $xres); 309 $DrawPos += $this->GetBarSize('2', $xres); 310 return $DrawPos; 311 } 312 313 /** 314 * Draws the stop code. 315 * @param int $DrawPos Drawing position. 316 * @param int $yPos Vertical position. 317 * @param int $ySize Vertical size. 318 * @param int $xres Horizontal resolution. 319 * @return int drawing position. 320 * @access private 321 */ 322 private function DrawStop($DrawPos, $yPos, $ySize, $xres) { 323 /* Stop code is '2331112' */ 324 $this->DrawSingleBar($DrawPos, BCD_DEFAULT_MAR_Y1, $this->GetBarSize('2', $xres) , $ySize); 325 $DrawPos += $this->GetBarSize('2', $xres); 326 $DrawPos += $this->GetBarSize('3', $xres); 327 $this->DrawSingleBar($DrawPos, BCD_DEFAULT_MAR_Y1, $this->GetBarSize('3', $xres) , $ySize); 328 $DrawPos += $this->GetBarSize('3', $xres); 329 $DrawPos += $this->GetBarSize('1', $xres); 330 $this->DrawSingleBar($DrawPos, BCD_DEFAULT_MAR_Y1, $this->GetBarSize('1', $xres) , $ySize); 331 $DrawPos += $this->GetBarSize('1', $xres); 332 $DrawPos += $this->GetBarSize('1', $xres); 333 $this->DrawSingleBar($DrawPos, BCD_DEFAULT_MAR_Y1, $this->GetBarSize('2', $xres) , $ySize); 334 $DrawPos += $this->GetBarSize('2', $xres); 335 return $DrawPos; 336 } 337 338 /** 339 * Draws the check-char code. 340 * @param int $DrawPos Drawing position. 341 * @param int $yPos Vertical position. 342 * @param int $ySize Vertical size. 343 * @param int $xres Horizontal resolution. 344 * @return int drawing position. 345 * @access private 346 */ 347 private function DrawCheckChar($DrawPos, $yPos, $ySize, $xres) { 348 $cset = $this->GetCheckCharValue(); 349 $this->DrawSingleBar($DrawPos, BCD_DEFAULT_MAR_Y1, $this->GetBarSize($cset[0], $xres) , $ySize); 350 $DrawPos += $this->GetBarSize($cset[0], $xres); 351 $DrawPos += $this->GetBarSize($cset[1], $xres); 352 $this->DrawSingleBar($DrawPos, BCD_DEFAULT_MAR_Y1, $this->GetBarSize($cset[2], $xres) , $ySize); 353 $DrawPos += $this->GetBarSize($cset[2], $xres); 354 $DrawPos += $this->GetBarSize($cset[3], $xres); 355 $this->DrawSingleBar($DrawPos, BCD_DEFAULT_MAR_Y1, $this->GetBarSize($cset[4], $xres) , $ySize); 356 $DrawPos += $this->GetBarSize($cset[4], $xres); 357 $DrawPos += $this->GetBarSize($cset[5], $xres); 358 return $DrawPos; 359 } 360 361 /** 362 * Draws the barcode object. 363 * @param int $xres Horizontal resolution. 364 * @return bool true in case of success. 365 */ 366 public function DrawObject($xres) { 367 $len = strlen($this->mValue); 368 if (($size = $this->GetSize($xres))==0) { 369 return false; 370 } 371 372 if ($this->mStyle & BCS_ALIGN_CENTER) $sPos = (integer)(($this->mWidth - $size ) / 2); 373 else if ($this->mStyle & BCS_ALIGN_RIGHT) $sPos = $this->mWidth - $size; 374 else $sPos = 0; 375 376 /* Total height of bar code -Bars only- */ 377 if ($this->mStyle & BCS_DRAW_TEXT) $ysize = $this->mHeight - BCD_DEFAULT_MAR_Y1 - BCD_DEFAULT_MAR_Y2 - $this->GetFontHeight($this->mFont); 378 else $ysize = $this->mHeight - BCD_DEFAULT_MAR_Y1 - BCD_DEFAULT_MAR_Y2; 379 380 /* Draw text */ 381 if ($this->mStyle & BCS_DRAW_TEXT) { 382 if ($this->mStyle & BCS_STRETCH_TEXT) { 383 for ($i=0;$i<$len;$i++) { 384 $this->DrawChar($this->mFont, $sPos+(2*BCD_C128_BAR_2*$xres + 3*BCD_C128_BAR_1*$xres + BCD_C128_BAR_4*$xres)+($size/$len)*$i, 385 $ysize + BCD_DEFAULT_MAR_Y1 + BCD_DEFAULT_TEXT_OFFSET, $this->mValue[$i]); 386 } 387 } else {/* Center */ 388 $text_width = $this->GetFontWidth($this->mFont) * strlen($this->mValue); 389 $this->DrawText($this->mFont, $sPos+(($size-$text_width)/2)+(2*BCD_C128_BAR_2*$xres + 3*BCD_C128_BAR_1*$xres + BCD_C128_BAR_4*$xres), 390 $ysize + BCD_DEFAULT_MAR_Y1 + BCD_DEFAULT_TEXT_OFFSET, $this->mValue); 391 } 392 } 393 394 $cPos = 0; 395 $DrawPos = $this->DrawStart($sPos, BCD_DEFAULT_MAR_Y1 , $ysize, $xres); 396 do { 397 $c = $this->GetCharIndex($this->mValue[$cPos].$this->mValue[$cPos+1]); 398 $cset = $this->mCharSet[$c]; 399 $this->DrawSingleBar($DrawPos, BCD_DEFAULT_MAR_Y1, $this->GetBarSize($cset[0], $xres) , $ysize); 400 $DrawPos += $this->GetBarSize($cset[0], $xres); 401 $DrawPos += $this->GetBarSize($cset[1], $xres); 402 $this->DrawSingleBar($DrawPos, BCD_DEFAULT_MAR_Y1, $this->GetBarSize($cset[2], $xres) , $ysize); 403 $DrawPos += $this->GetBarSize($cset[2], $xres); 404 $DrawPos += $this->GetBarSize($cset[3], $xres); 405 $this->DrawSingleBar($DrawPos, BCD_DEFAULT_MAR_Y1, $this->GetBarSize($cset[4], $xres) , $ysize); 406 $DrawPos += $this->GetBarSize($cset[4], $xres); 407 $DrawPos += $this->GetBarSize($cset[5], $xres); 408 $cPos += 2; 409 } while ($cPos<$len); 410 $DrawPos = $this->DrawCheckChar($DrawPos, BCD_DEFAULT_MAR_Y1 , $ysize, $xres); 411 $DrawPos = $this->DrawStop($DrawPos, BCD_DEFAULT_MAR_Y1 , $ysize, $xres); 412 return true; 413 } 414 } 415 416 //============================================================+ 417 // END OF FILE 418 //============================================================+ 419 ?>
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| Generated: Fri Nov 28 20:08:37 2014 | Cross-referenced by PHPXref 0.7.1 |