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<?php
/**
* Bitrix Framework
* @package bitrix
* @subpackage main
* @copyright 2001-2020 Bitrix
*/
namespace Bitrix\Main\File\Image;
use Bitrix\Main;
class TextWatermark extends Watermark
{
protected
$text,
$width,
$font,
$color,
$copyright = false,
$padding = 5;
/**
* TextWatermark constructor.
* @param string $text Text to show on an image.
* @param string $font Full path to a ttf font file.
* @param Color|null $color Text color.
*/
public function __construct($text, $font, Color $color = null)
{
parent::__construct();
$this->text = $text;
$this->font = $font;
if($color !== null)
{
$this->color = $color;
}
else
{
$this->color = new Color();
}
}
/**
* @return string
*/
public function getText()
{
return ($this->copyright? chr(169)." " : "").$this->text;
}
/**
* @return string UTF-8
*/
public function getUtfText()
{
$text = $this->getText();
$culture = Main\Context::getCurrent()->getCulture();
if($culture)
{
$text = Main\Text\Encoding::convertEncoding($text, $culture->getCharset(), "UTF-8");
}
return $text;
}
/**
* @param string $text
* @return TextWatermark
*/
public function setText($text)
{
$this->text = $text;
return $this;
}
/**
* @return int
*/
public function getWidth()
{
return $this->width;
}
/**
* @param int $width
* @return TextWatermark
*/
public function setWidth($width)
{
$this->width = (int)$width;
return $this;
}
/**
* @return string
*/
public function getFont()
{
return $this->font;
}
/**
* @param string $font
* @return TextWatermark
*/
public function setFont($font)
{
$this->font = $font;
return $this;
}
/**
* @return Color
*/
public function getColor(): Color
{
return $this->color;
}
/**
* @param Color $color
* @return TextWatermark
*/
public function setColor(Color $color)
{
$this->color = $color;
return $this;
}
/**
* @return bool
*/
public function isCopyright()
{
return $this->copyright;
}
/**
* @param bool $copyright
* @return TextWatermark
*/
public function setCopyright($copyright)
{
$this->copyright = (bool)$copyright;
return $this;
}
/**
* @inheritDoc
*/
public function getRatio()
{
if($this->ratio === null)
{
if($this->size == static::SIZE_BIG)
{
return 7;
}
if($this->size == static::SIZE_SMALL)
{
return 2;
}
//static::SIZE_MEDIUM
return 4;
}
return $this->ratio;
}
/**
* @param int $width
* @return float In pt.
*/
public function getFontSize($width)
{
$length = mb_strlen($this->getText());
$fontSize = $width * ($this->getRatio() / 100.0);
if(($fontSize * $length * 0.7) > $width)
{
$fontSize = $width / ($length * 0.7);
}
return $fontSize;
}
}