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<?php |
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namespace tinymeng\code\Gateways\barcode; |
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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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* Copyright (C) Jean-Sebastien Goupil |
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* http://www.barcodephp.com |
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*/ |
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class BCGLabel { |
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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 BCGFont $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 BCGFontPhp(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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$this->setBackgroundColor(new BCGColor('white')); |
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$this->setForegroundColor(new BCGColor('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 BCGFont |
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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 BCGFont $font |
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*/ |
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public function setFont($font) { |
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if ($font === null) { |
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throw new BCGArgumentException('Font cannot be null.', 'font'); |
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} |
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$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 && $position !== self::POSITION_LEFT) { |
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throw new BCGArgumentException('The text position must be one of a valid constant.', 'position'); |
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} |
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$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 && $alignment !== self::ALIGN_BOTTOM) { |
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throw new BCGArgumentException('The text alignment must be one of a valid constant.', 'alignment'); |
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} |
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$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 BCGColor |
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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 BCGColor $backgroundColor |
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*/ |
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public /*internal*/ function setBackgroundColor($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 BCGColor |
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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 BCGColor $foregroundColor |
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*/ |
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public function setForegroundColor($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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