/**
* Adjusts the font size of the Drawer object to fit a text in the desired width
* @param $text
* @param Drawer $drawer
* @param $width
* @return Drawer
* @throws UnsupportedMethodException
*/
public function adjustFontSize($text, Drawer $drawer, $width)
{
if (!$this->resource instanceof ImageWritableInterface) {
throw new UnsupportedMethodException("This method is not supported by the ImageResource in use.");
}
$fontSize = 0;
$metrics['width'] = 0;
while ($metrics['width'] <= $width) {
$drawer->setFontSize($fontSize);
$metrics = $this->resource->getTextGeometry($text, $drawer);
$fontSize++;
}
return $drawer;
}
/**
* Translates the Drawer object to a ImagickDraw
* @param Drawer $drawer
* @return \ImagickDraw
*/
public function getImagickDraw(Drawer $drawer)
{
$imdraw = new \ImagickDraw();
$imdraw->setFont($drawer->getFont());
$imdraw->setFillColor($drawer->getFontColor());
$imdraw->setFontSize($drawer->getFontSize());
$imdraw->setTextAlignment($drawer->getTextAlign());
return $imdraw;
}
/**
* {@inheritdoc}
*/
public function annotate($text, $coordX, $coordY, $angle, Drawer $drawer)
{
$color = GDPixel::load($drawer->getFontColor(), $this->getResource());
return imagettftext($this->getResource(), $this->getFontSize($drawer), $angle, $coordX, $coordY, $color, $drawer->getFont(), $text);
}
