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<?php
namespace Intervention\Image;
abstract class AbstractFont
{
/**
* Text to be written
*
* @var String
*/
public $text;
/**
* Text size in pixels
*
* @var int
*/
public $size = 12;
/**
* Color of the text
*
* @var mixed
*/
public $color = '000000';
/**
* Rotation angle of the text
*
* @var int
*/
public $angle = 0;
/**
* Horizontal alignment of the text
*
* @var String
*/
public $align;
/**
* Vertical alignment of the text
*
* @var String
*/
public $valign;
/**
* Space between text characters
*
* @var float
*/
public $kerning = 0;
/**
* Path to TTF or GD library internal font file of the text
*
* @var mixed
*/
public $file;
/**
* Draws font to given image on given position
*
* @param Image $image
* @param int $posx
* @param int $posy
* @return boolean
*/
abstract public function applyToImage(Image $image, $posx = 0, $posy = 0);
/**
* Calculates bounding box of current font setting
*
* @return array
*/
abstract public function getBoxSize();
/**
* Create a new instance of Font
*
* @param String $text Text to be written
*/
public function __construct($text = null)
{
$this->text = $text;
}
/**
* Set text to be written
*
* @param String $text
* @return self
*/
public function text($text)
{
$this->text = $text;
return $this;
}
/**
* Get text to be written
*
* @return String
*/
public function getText()
{
return $this->text;
}
/**
* Set font size in pixels
*
* @param int $size
* @return self
*/
public function size($size)
{
$this->size = $size;
return $this;
}
/**
* Get font size in pixels
*
* @return int
*/
public function getSize()
{
return $this->size;
}
/**
* Set color of text to be written
*
* @param mixed $color
* @return self
*/
public function color($color)
{
$this->color = $color;
return $this;
}
/**
* Get color of text
*
* @return mixed
*/
public function getColor()
{
return $this->color;
}
/**
* Set rotation angle of text
*
* @param int $angle
* @return self
*/
public function angle($angle)
{
$this->angle = $angle;
return $this;
}
/**
* Get rotation angle of text
*
* @return int
*/
public function getAngle()
{
return $this->angle;
}
/**
* Set horizontal text alignment
*
* @param string $align
* @return self
*/
public function align($align)
{
$this->align = $align;
return $this;
}
/**
* Get horizontal text alignment
*
* @return string
*/
public function getAlign()
{
return $this->align;
}
/**
* Set vertical text alignment
*
* @param string $valign
* @return self
*/
public function valign($valign)
{
$this->valign = $valign;
return $this;
}
/**
* Get vertical text alignment
*
* @return string
*/
public function getValign()
{
return $this->valign;
}
/**
* Set text kerning
*
* @param string $kerning
* @return void
*/
public function kerning($kerning)
{
$this->kerning = $kerning;
}
/**
* Get kerning
*
* @return float
*/
public function getKerning()
{
return $this->kerning;
}
/**
* Set path to font file
*
* @param string $file
* @return self
*/
public function file($file)
{
$this->file = $file;
return $this;
}
/**
* Get path to font file
*
* @return string
*/
public function getFile()
{
return $this->file;
}
/**
* Checks if current font has access to an applicable font file
*
* @return boolean
*/
protected function hasApplicableFontFile()
{
if (is_string($this->file)) {
return file_exists($this->file);
}
return false;
}
/**
* Counts lines of text to be written
*
* @return int
*/
public function countLines()
{
return count(explode(PHP_EOL, $this->text));
}
}
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