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File Content: `BCGBarcode1D.php`

<?php
/**
 *--------------------------------------------------------------------
 *
 * Holds all type of barcodes for 1D generation
 *
 *--------------------------------------------------------------------
 * Copyright (C) Jean-Sebastien Goupil
 * http://www.barcodephp.com
 */
include_once('BCGArgumentException.php');
include_once('BCGBarcode.php');
include_once('BCGFontPhp.php');
include_once('BCGFontFile.php');

abstract class BCGBarcode1D extends BCGBarcode {
    const SIZE_SPACING_FONT = 5;

    const AUTO_LABEL = '##!!AUTO_LABEL!!##';

    protected $thickness;       // int
    protected $keys, $code;     // string[]
    protected $positionX;       // int
    protected $textfont;        // BCGFont
    protected $text;            // string
    protected $checksumValue;   // int or int[]
    protected $displayChecksum; // bool
    protected $label;           // Label
    protected $defaultLabel;    // BCGLabel

    /**
     * Constructor.
     */
    protected function __construct() {
        parent::__construct();

        $this->setThickness(30);

        $this->defaultLabel = new BCGLabel();
        $this->defaultLabel->setPosition(BCGLabel::POSITION_BOTTOM);
        $this->setLabel(self::AUTO_LABEL);
        $this->setFont(new BCGFontPhp(5));

        $this->text = '';
        $this->checksumValue = false;
    }

    /**
     * Gets the thickness.
     *
     * @return int
     */
    public function getThickness() {
        return $this->thickness;
    }

    /**
     * Sets the thickness.
     *
     * @param int $thickness
     */
    public function setThickness($thickness) {
        $this->thickness = intval($thickness);
        if ($this->thickness <= 0) {
            throw new BCGArgumentException('The thickness must be larger than 0.', 'thickness');
        }
    }

    /**
     * Gets the label.
     * If the label was set to BCGBarcode1D::AUTO_LABEL, the label will display the value from the text parsed.
     *
     * @return string
     */
    public function getLabel() {
        $label = $this->label;
        if ($this->label === self::AUTO_LABEL) {
            $label = $this->text;
            if ($this->displayChecksum === true && ($checksum = $this->processChecksum()) !== false) {
                $label .= $checksum;
            }
        }

        return $label;
    }

    /**
     * Sets the label.
     * You can use BCGBarcode::AUTO_LABEL to have the label automatically written based on the parsed text.
     *
     * @param string $label
     */
    public function setLabel($label) {
        $this->label = $label;
    }

    /**
     * Gets the font.
     *
     * @return BCGFont
     */
    public function getFont() {
        return $this->font;
    }

    /**
     * Sets the font.
     *
     * @param mixed $font BCGFont or int
     */
    public function setFont($font) {
        if (is_int($font)) {
            if ($font === 0) {
                $font = null;
            } else {
                $font = new BCGFontPhp($font);
            }
        }

        $this->font = $font;
    }

    /**
     * Parses the text before displaying it.
     *
     * @param mixed $text
     */
    public function parse($text) {
        $this->text = $text;
        $this->checksumValue = false; // Reset checksumValue
        $this->validate();

        parent::parse($text);

        $this->addDefaultLabel();
    }

    /**
     * Gets the checksum of a Barcode.
     * If no checksum is available, return FALSE.
     *
     * @return string
     */
    public function getChecksum() {
        return $this->processChecksum();
    }

    /**
     * Sets if the checksum is displayed with the label or not.
     * The checksum must be activated in some case to make this variable effective.
     *
     * @param boolean $displayChecksum
     */
    public function setDisplayChecksum($displayChecksum) {
        $this->displayChecksum = (bool)$displayChecksum;
    }

    /**
     * Adds the default label.
     */
    protected function addDefaultLabel() {
        $label = $this->getLabel();
        $font = $this->font;
        if ($label !== null && $label !== '' && $font !== null && $this->defaultLabel !== null) {
            $this->defaultLabel->setText($label);
            $this->defaultLabel->setFont($font);
            $this->addLabel($this->defaultLabel);
        }
    }

    /**
     * Validates the input
     */
    protected function validate() {
        // No validation in the abstract class.
    }

    /**
     * Returns the index in $keys (useful for checksum).
     *
     * @param mixed $var
     * @return mixed
     */
    protected function findIndex($var) {
        return array_search($var, $this->keys);
    }

    /**
     * Returns the code of the char (useful for drawing bars).
     *
     * @param mixed $var
     * @return string
     */
    protected function findCode($var) {
        return $this->code[$this->findIndex($var)];
    }

    /**
     * Draws all chars thanks to $code. if $start is true, the line begins by a space.
     * if $start is false, the line begins by a bar.
     *
     * @param resource $im
     * @param string $code
     * @param boolean $startBar
     */
    protected function drawChar($im, $code, $startBar = true) {
        $colors = array(BCGBarcode::COLOR_FG, BCGBarcode::COLOR_BG);
        $currentColor = $startBar ? 0 : 1;
        $c = strlen($code);
        for ($i = 0; $i < $c; $i++) {
            for ($j = 0; $j < intval($code[$i]) + 1; $j++) {
                $this->drawSingleBar($im, $colors[$currentColor]);
                $this->nextX();
            }

            $currentColor = ($currentColor + 1) % 2;
        }
    }

    /**
     * Draws a Bar of $color depending of the resolution.
     *
     * @param resource $img
     * @param int $color
     */
    protected function drawSingleBar($im, $color) {
        $this->drawFilledRectangle($im, $this->positionX, 0, $this->positionX, $this->thickness - 1, $color);
    }

    /**
     * Moving the pointer right to write a bar.
     */
    protected function nextX() {
        $this->positionX++;
    }

    /**
     * Method that saves FALSE into the checksumValue. This means no checksum
     * but this method should be overriden when needed.
     */
    protected function calculateChecksum() {
        $this->checksumValue = false;
    }

    /**
     * Returns FALSE because there is no checksum. This method should be
     * overriden to return correctly the checksum in string with checksumValue.
     *
     * @return string
     */
    protected function processChecksum() {
        return false;
    }
}
?>

Name	Size	Permission
drawer	---	0755
BCGArgumentException.php	600 bytes	0644
BCGBarcode.php	14444 bytes	0644
BCGBarcode1D.php	6631 bytes	0644
BCGColor.php	4175 bytes	0644
BCGDrawException.php	486 bytes	0644
BCGDrawing.php	6287 bytes	0644
BCGFont.php	728 bytes	0644
BCGFontFile.php	4849 bytes	0644
BCGFontPhp.php	3451 bytes	0644
BCGLabel.php	7901 bytes	0644
BCGParseException.php	604 bytes	0644
BCGcodabar.barcode.php	3740 bytes	0644
BCGcode11.barcode.php	5234 bytes	0644
BCGcode128.barcode.php	29097 bytes	0644
BCGcode39.barcode.php	5677 bytes	0644
BCGcode39extended.barcode.php	6290 bytes	0644
BCGcode93.barcode.php	9600 bytes	0644
BCGean13.barcode.php	9895 bytes	0644
BCGean8.barcode.php	7411 bytes	0644
BCGgs1128.barcode.php	25845 bytes	0644
BCGi25.barcode.php	5708 bytes	0644
BCGintelligentmail.barcode.php	28550 bytes	0644
BCGisbn.barcode.php	5304 bytes	0644
BCGmsi.barcode.php	5206 bytes	0644
BCGothercode.barcode.php	1834 bytes	0644
BCGpostnet.barcode.php	3758 bytes	0644
BCGs25.barcode.php	4765 bytes	0644
BCGupca.barcode.php	5143 bytes	0644
BCGupce.barcode.php	11973 bytes	0644
BCGupcext2.barcode.php	3670 bytes	0644
BCGupcext5.barcode.php	5736 bytes	0644
JoinDraw.php	5878 bytes	0644

File Content: BCGBarcode1D.php

File Content: `BCGBarcode1D.php`