/**
* Get the bounding text box for a text string and an angle
*
* @param $text
* @param int $angle
*
* @throws Exception
* @return \Imagine\Image\BoxInterface
*/
public function getTextBox($text, $angle = 0)
{
if (empty($this->_font)) {
throw new Exception(Craft::t("No font properties have been set. Call Image::setFontProperties() first."));
}
return $this->_font->box($text, $angle);
}
/**
* Calculates size for bounding box of string written in given font.
*
* @param string $string
* @param FontInterface $font
*
* @return bool|Box Instance of Box object, false on error
*/
public static function calculateTextSize($string, FontInterface $font)
{
$imagine = Tygh::$app['image'];
if ($imagine instanceof \Imagine\Imagick\Imagine && class_exists('ImagickDraw')) {
$text = new \ImagickDraw();
$text->setFont($font->getFile());
if (version_compare(phpversion("imagick"), "3.0.2", ">=")) {
$text->setResolution(96, 96);
$text->setFontSize($font->getSize());
} else {
$text->setFontSize((int) ($font->getSize() * (96 / 72)));
}
$imagick = new \Imagick();
$info = $imagick->queryFontMetrics($text, $string);
$text->clear();
$text->destroy();
$imagick->clear();
$imagick->destroy();
return new Box($info['textWidth'], $info['textHeight']);
}
if ($imagine instanceof \Imagine\Gd\Imagine && function_exists('imagettfbbox')) {
$ttfbbox = imagettfbbox($font->getSize(), 0, $font->getFile(), $string);
return new Box(abs($ttfbbox[2]), abs($ttfbbox[7]));
}
return false;
}
private function getWidthOfSpaceChar(ImagineFont $font)
{
return $font->box(' ')->getWidth();
}
