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File Content: `BCGLabel.php`

<?php
/**
 *--------------------------------------------------------------------
 *
 * Class for Label
 *
 *--------------------------------------------------------------------
 * Copyright (C) Jean-Sebastien Goupil
 * http://www.barcodephp.com
 */
include_once('BCGArgumentException.php');
include_once('BCGFontPhp.php');
include_once('BCGFontFile.php');

class BCGLabel {
    const POSITION_TOP = 0;
    const POSITION_RIGHT = 1;
    const POSITION_BOTTOM = 2;
    const POSITION_LEFT = 3;

    const ALIGN_LEFT = 0;
    const ALIGN_TOP = 0;
    const ALIGN_CENTER = 1;
    const ALIGN_RIGHT = 2;
    const ALIGN_BOTTOM = 2;

    private $font;
    private $text;
    private $position;
    private $alignment;
    private $offset;
    private $spacing;
    private $rotationAngle;
    private $backgroundColor;

    /**
     * Constructor.
     *
     * @param string $text
     * @param BCGFont $font
     * @param int $position
     * @param int $alignment
     */
    public function __construct($text = '', $font = null, $position = self::POSITION_BOTTOM, $alignment = self::ALIGN_CENTER) {
        $font = $font === null ? new BCGFontPhp(5) : $font;
        $this->setFont($font);
        $this->setText($text);
        $this->setPosition($position);
        $this->setAlignment($alignment);
        $this->setSpacing(4);
        $this->setOffset(0);
        $this->setRotationAngle(0);
        
        $this->setBackgroundColor(new BCGColor('white'));
    }

    /**
     * Gets the text.
     *
     * @return string
     */
    public function getText() {
        return $this->font->getText();
    }

    /**
     * Sets the text.
     *
     * @param string $text
     */
    public function setText($text) {
        $this->text = $text;
        $this->font->setText($this->text);
    }

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

    /**
     * Sets the font.
     *
     * @param BCGFont $font
     */
    public function setFont($font) {
        if ($font === null) {
            throw new BCGArgumentException('Font cannot be null.', 'font');
        }

        $this->font = clone $font;
        $this->font->setText($this->text);
        $this->font->setRotationAngle($this->rotationAngle);
        $this->font->setBackgroundColor($this->backgroundColor);
    }

    /**
     * Gets the text position for drawing.
     *
     * @return int
     */
    public function getPosition() {
        return $this->position;
    }

    /**
     * Sets the text position for drawing.
     *
     * @param int $position
     */
    public function setPosition($position) {
        $position = intval($position);
        if ($position !== self::POSITION_TOP && $position !== self::POSITION_RIGHT && $position !== self::POSITION_BOTTOM && $position !== self::POSITION_LEFT) {
            throw new BCGArgumentException('The text position must be one of a valid constant.', 'position');
        }

        $this->position = $position;
    }

    /**
     * Gets the text alignment for drawing.
     *
     * @return int
     */
    public function getAlignment() {
        return $this->alignment;
    }

    /**
     * Sets the text alignment for drawing.
     *
     * @param int $alignment
     */
    public function setAlignment($alignment) {
        $alignment = intval($alignment);
        if ($alignment !== self::ALIGN_LEFT && $alignment !== self::ALIGN_TOP && $alignment !== self::ALIGN_CENTER && $alignment !== self::ALIGN_RIGHT && $alignment !== self::ALIGN_BOTTOM) {
            throw new BCGArgumentException('The text alignment must be one of a valid constant.', 'alignment');
        }

        $this->alignment = $alignment;
    }

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

    /**
     * Sets the offset.
     *
     * @param int $offset
     */
    public function setOffset($offset) {
        $this->offset = intval($offset);
    }

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

    /**
     * Sets the spacing.
     *
     * @param int $spacing
     */
    public function setSpacing($spacing) {
        $this->spacing = max(0, intval($spacing));
    }

    /**
     * Gets the rotation angle in degree.
     *
     * @return float
     */
    public function getRotationAngle() {
        return $this->font->getRotationAngle();
    }

    /**
     * Sets the rotation angle in degree.
     *
     * @param int $rotationAngle
     */
    public function setRotationAngle($rotationAngle) {
        $this->rotationAngle = intval($rotationAngle);
        $this->font->setRotationAngle($this->rotationAngle);
    }

    /**
     * Gets the background color in case of rotation.
     *
     * @return BCGColor
     */
    public function getBackgroundColor($backgroundColor) {
        return $this->font->getBackgroundColor();
    }

    /**
     * Sets the background color in case of rotation.
     *
     * @param BCGColor $backgroundColor
     */
    public /*internal*/ function setBackgroundColor($backgroundColor) {
        $this->backgroundColor = $backgroundColor;
        $this->font->setBackgroundColor($this->backgroundColor);
    }

    /**
     * Gets the dimension taken by the label, including the spacing and offset.
     * [0]: width
     * [1]: height
     *
     * @return int[]
     */
    public function getDimension() {
        $w = 0;
        $h = 0;

        $dimension = $this->font->getDimension();
        $w = $dimension[0];
        $h = $dimension[1];
        
        if ($this->position === self::POSITION_TOP || $this->position === self::POSITION_BOTTOM) {
            $h += $this->spacing;
            $w += max(0, $this->offset);
        } else {
            $w += $this->spacing;
            $h += max(0, $this->offset);
        }

        return array($w, $h);
    }

    /**
     * Draws the text.
     * The coordinate passed are the positions of the barcode.
     * $x1 and $y1 represent the top left corner.
     * $x2 and $y2 represent the bottom right corner.
     *
     * @param resource $im
     * @param int $x1
     * @param int $y1
     * @param int $x2
     * @param int $y2
     */
    public /*internal*/ function draw($im, $x1, $y1, $x2, $y2) {
        $x = 0;
        $y = 0;

        $fontDimension = $this->font->getDimension();

        if ($this->position === self::POSITION_TOP || $this->position === self::POSITION_BOTTOM) {
            if ($this->position === self::POSITION_TOP) {
                $y = $y1 - $this->spacing - $fontDimension[1];
            } elseif ($this->position === self::POSITION_BOTTOM) {
                $y = $y2 + $this->spacing;
            }

            if ($this->alignment === self::ALIGN_CENTER) {
                $x = ($x2 - $x1) / 2 + $x1 - $fontDimension[0] / 2 + $this->offset;
            } elseif ($this->alignment === self::ALIGN_LEFT)  {
                $x = $x1 + $this->offset;
            } else {
                $x = $x2 + $this->offset - $fontDimension[0];
            }
        } else {
            if ($this->position === self::POSITION_LEFT) {
                $x = $x1 - $this->spacing - $fontDimension[0];
            } elseif ($this->position === self::POSITION_RIGHT) {
                $x = $x2 + $this->spacing;
            }

            if ($this->alignment === self::ALIGN_CENTER) {
                $y = ($y2 - $y1) / 2 + $y1 - $fontDimension[1] / 2 + $this->offset;
            } elseif ($this->alignment === self::ALIGN_TOP)  {
                $y = $y1 + $this->offset;
            } else {
                $y = $y2 + $this->offset - $fontDimension[1];
            }
        }
        
        $this->font->setText($this->text);
        $this->font->draw($im, 0, $x, $y);
    }
}

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
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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: BCGLabel.php

File Content: `BCGLabel.php`