322 lines
No EOL
8.7 KiB
PHP
322 lines
No EOL
8.7 KiB
PHP
<?php
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/**
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*--------------------------------------------------------------------
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*
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* Class for Label
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*
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*--------------------------------------------------------------------
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* @author Akhtar Khan <er.akhtarkhan@gmail.com>
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* @link http://www.codeitnow.in
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* @package https://github.com/codeitnowin/barcode-generator
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*/
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namespace CodeItNow\BarcodeBundle\Generator;
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use CodeItNow\BarcodeBundle\Generator\CINArgumentException;
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use CodeItNow\BarcodeBundle\Generator\CINFontPhp;
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use CodeItNow\BarcodeBundle\Generator\CINFontFile;
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class CINLabel {
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const POSITION_TOP = 0;
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const POSITION_RIGHT = 1;
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const POSITION_BOTTOM = 2;
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const POSITION_LEFT = 3;
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const ALIGN_LEFT = 0;
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const ALIGN_TOP = 0;
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const ALIGN_CENTER = 1;
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const ALIGN_RIGHT = 2;
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const ALIGN_BOTTOM = 2;
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private $font;
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private $text;
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private $position;
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private $alignment;
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private $offset;
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private $spacing;
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private $rotationAngle;
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private $backgroundColor;
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private $foregroundColor;
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/**
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* Constructor.
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*
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* @param string $text
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* @param CINFont $font
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* @param int $position
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* @param int $alignment
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*/
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public function __construct($text = '', $font = null, $position = self::POSITION_BOTTOM, $alignment = self::ALIGN_CENTER) {
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$font = $font === null ? new CINFontPhp(5) : $font;
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$this->setFont($font);
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$this->setText($text);
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$this->setPosition($position);
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$this->setAlignment($alignment);
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$this->setSpacing(4);
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$this->setOffset(0);
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$this->setRotationAngle(0);
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$this->setBackgroundColor(new CINColor('white'));
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$this->setForegroundColor(new CINColor('black'));
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}
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/**
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* Gets the text.
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*
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* @return string
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*/
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public function getText() {
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return $this->font->getText();
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}
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/**
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* Sets the text.
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*
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* @param string $text
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*/
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public function setText($text) {
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$this->text = $text;
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$this->font->setText($this->text);
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}
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/**
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* Gets the font.
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*
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* @return CINFont
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*/
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public function getFont() {
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return $this->font;
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}
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/**
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* Sets the font.
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*
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* @param CINFont $font
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*/
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public function setFont($font) {
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if ($font === null) {
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throw new CINArgumentException('Font cannot be null.', 'font');
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}
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$this->font = clone $font;
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$this->font->setText($this->text);
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$this->font->setRotationAngle($this->rotationAngle);
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$this->font->setBackgroundColor($this->backgroundColor);
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$this->font->setForegroundColor($this->foregroundColor);
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}
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/**
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* Gets the text position for drawing.
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*
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* @return int
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*/
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public function getPosition() {
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return $this->position;
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}
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/**
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* Sets the text position for drawing.
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*
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* @param int $position
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*/
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public function setPosition($position) {
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$position = intval($position);
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if ($position !== self::POSITION_TOP && $position !== self::POSITION_RIGHT && $position !== self::POSITION_BOTTOM && $position !== self::POSITION_LEFT) {
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throw new CINArgumentException('The text position must be one of a valid constant.', 'position');
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}
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$this->position = $position;
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}
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/**
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* Gets the text alignment for drawing.
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*
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* @return int
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*/
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public function getAlignment() {
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return $this->alignment;
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}
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/**
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* Sets the text alignment for drawing.
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*
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* @param int $alignment
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*/
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public function setAlignment($alignment) {
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$alignment = intval($alignment);
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if ($alignment !== self::ALIGN_LEFT && $alignment !== self::ALIGN_TOP && $alignment !== self::ALIGN_CENTER && $alignment !== self::ALIGN_RIGHT && $alignment !== self::ALIGN_BOTTOM) {
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throw new CINArgumentException('The text alignment must be one of a valid constant.', 'alignment');
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}
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$this->alignment = $alignment;
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}
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/**
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* Gets the offset.
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*
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* @return int
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*/
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public function getOffset() {
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return $this->offset;
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}
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/**
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* Sets the offset.
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*
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* @param int $offset
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*/
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public function setOffset($offset) {
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$this->offset = intval($offset);
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}
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/**
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* Gets the spacing.
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*
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* @return int
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*/
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public function getSpacing() {
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return $this->spacing;
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}
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/**
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* Sets the spacing.
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*
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* @param int $spacing
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*/
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public function setSpacing($spacing) {
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$this->spacing = max(0, intval($spacing));
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}
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/**
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* Gets the rotation angle in degree.
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*
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* @return int
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*/
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public function getRotationAngle() {
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return $this->font->getRotationAngle();
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}
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/**
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* Sets the rotation angle in degree.
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*
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* @param int $rotationAngle
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*/
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public function setRotationAngle($rotationAngle) {
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$this->rotationAngle = intval($rotationAngle);
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$this->font->setRotationAngle($this->rotationAngle);
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}
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/**
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* Gets the background color in case of rotation.
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*
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* @return CINColor
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*/
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public function getBackgroundColor() {
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return $this->backgroundColor;
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}
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/**
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* Sets the background color in case of rotation.
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*
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* @param CINColor $backgroundColor
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*/
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public /*internal*/ function setBackgroundColor($backgroundColor) {
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$this->backgroundColor = $backgroundColor;
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$this->font->setBackgroundColor($this->backgroundColor);
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}
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/**
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* Gets the foreground color.
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*
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* @return CINColor
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*/
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public function getForegroundColor() {
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return $this->font->getForegroundColor();
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}
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/**
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* Sets the foreground color.
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*
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* @param CINColor $foregroundColor
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*/
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public function setForegroundColor($foregroundColor) {
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$this->foregroundColor = $foregroundColor;
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$this->font->setForegroundColor($this->foregroundColor);
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}
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/**
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* Gets the dimension taken by the label, including the spacing and offset.
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* [0]: width
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* [1]: height
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*
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* @return int[]
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*/
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public function getDimension() {
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$w = 0;
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$h = 0;
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$dimension = $this->font->getDimension();
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$w = $dimension[0];
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$h = $dimension[1];
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if ($this->position === self::POSITION_TOP || $this->position === self::POSITION_BOTTOM) {
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$h += $this->spacing;
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$w += max(0, $this->offset);
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} else {
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$w += $this->spacing;
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$h += max(0, $this->offset);
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}
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return array($w, $h);
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}
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/**
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* Draws the text.
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* The coordinate passed are the positions of the barcode.
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* $x1 and $y1 represent the top left corner.
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* $x2 and $y2 represent the bottom right corner.
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*
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* @param resource $im
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* @param int $x1
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* @param int $y1
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* @param int $x2
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* @param int $y2
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*/
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public /*internal*/ function draw($im, $x1, $y1, $x2, $y2) {
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$x = 0;
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$y = 0;
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$fontDimension = $this->font->getDimension();
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if ($this->position === self::POSITION_TOP || $this->position === self::POSITION_BOTTOM) {
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if ($this->position === self::POSITION_TOP) {
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$y = $y1 - $this->spacing - $fontDimension[1];
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} elseif ($this->position === self::POSITION_BOTTOM) {
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$y = $y2 + $this->spacing;
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}
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if ($this->alignment === self::ALIGN_CENTER) {
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$x = ($x2 - $x1) / 2 + $x1 - $fontDimension[0] / 2 + $this->offset;
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} elseif ($this->alignment === self::ALIGN_LEFT) {
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$x = $x1 + $this->offset;
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} else {
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$x = $x2 + $this->offset - $fontDimension[0];
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}
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} else {
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if ($this->position === self::POSITION_LEFT) {
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$x = $x1 - $this->spacing - $fontDimension[0];
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} elseif ($this->position === self::POSITION_RIGHT) {
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$x = $x2 + $this->spacing;
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}
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if ($this->alignment === self::ALIGN_CENTER) {
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$y = ($y2 - $y1) / 2 + $y1 - $fontDimension[1] / 2 + $this->offset;
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} elseif ($this->alignment === self::ALIGN_TOP) {
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$y = $y1 + $this->offset;
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} else {
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$y = $y2 + $this->offset - $fontDimension[1];
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}
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}
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$this->font->setText($this->text);
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$this->font->draw($im, $x, $y);
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}
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}
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?>
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