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- <?php
-
- include_once('BCGParseException.php');
- include_once('BCGBarcode1D.php');
-
- class BCGcodabar extends BCGBarcode1D {
-
-
- public function __construct() {
- parent::__construct();
-
- $this->keys = array('0', '1', '2', '3', '4', '5', '6', '7', '8', '9', '-', '$', ':', '/', '.', '+', 'A', 'B', 'C', 'D');
- $this->code = array(
- '00000110',
- '00001100',
- '00010010',
- '11000000',
- '00100100',
- '10000100',
- '01000010',
- '01001000',
- '01100000',
- '10010000',
- '00011000',
- '00110000',
- '10001010',
- '10100010',
- '10101000',
- '00111110',
- '00110100',
- '01010010',
- '00010110',
- '00011100'
- );
- }
-
-
-
- public function parse($text) {
- parent::parse(strtoupper($text));
- }
-
-
-
- public function draw($im) {
- $c = strlen($this->text);
- for ($i = 0; $i < $c; $i++) {
- $this->drawChar($im, $this->findCode($this->text[$i]), true);
- }
-
- $this->drawText($im, 0, 0, $this->positionX, $this->thickness);
- }
-
-
-
- public function getDimension($w, $h) {
- $textLength = 0;
- $c = strlen($this->text);
- for ($i = 0; $i < $c; $i++) {
- $index = $this->findIndex($this->text[$i]);
- if ($index !== false) {
- $textLength += 8;
- $textLength += substr_count($this->code[$index], '1');
- }
- }
-
- $w += $textLength;
- $h += $this->thickness;
- return parent::getDimension($w, $h);
- }
-
-
-
- protected function validate() {
- $c = strlen($this->text);
- if ($c === 0) {
- throw new BCGParseException('codabar', 'No data has been entered.');
- }
-
-
- for ($i = 0; $i < $c; $i++) {
- if (array_search($this->text[$i], $this->keys) === false) {
- throw new BCGParseException('codabar', 'The character \'' . $this->text[$i] . '\' is not allowed.');
- }
- }
-
-
- if ($c == 0 || ($this->text[0] !== 'A' && $this->text[0] !== 'B' && $this->text[0] !== 'C' && $this->text[0] !== 'D')) {
- throw new BCGParseException('codabar', 'The text must start by the character A, B, C, or D.');
- }
-
-
- $c2 = $c - 1;
- if ($c2 === 0 || ($this->text[$c2] !== 'A' && $this->text[$c2] !== 'B' && $this->text[$c2] !== 'C' && $this->text[$c2] !== 'D')) {
- throw new BCGParseException('codabar', 'The text must end by the character A, B, C, or D.');
- }
-
- parent::validate();
- }
- }
- ?>
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