/**
* Places a text on top of the current image, for writing text using relative positioning. To
* overwrite the current Drawer settings, create a custom Drawer object and use the setDrawer()
* method before.
*
* @param string $text Text to be written.
* @param int $place_constant One of the Imanee:IM_POS constants.
* @param int $fitWidth If a positive value is provided, will change the font size to
* fit the text in this width.
* @param int $fontSize The font size. Defaults to the current font size defined in the
* Drawer.
*
* @return $this
*
* @throws UnsupportedMethodException
*/
public function placeText($text, $place_constant = Imanee::IM_POS_TOP_LEFT, $fitWidth = 0, $fontSize = 0)
{
if (!$this->resource instanceof ImageWritableInterface) {
throw new UnsupportedMethodException("This method is not supported by the ImageResource in use.");
}
if ($fontSize) {
$this->getDrawer()->setFontSize($fontSize);
}
if ($fitWidth > 0) {
$this->setDrawer($this->adjustFontSize($text, $this->getDrawer(), $fitWidth));
}
list($coordX, $coordY) = PixelMath::getPlacementCoordinates($this->resource->getTextGeometry($text, $this->getDrawer()), $this->getSize(), $place_constant);
$this->resource->annotate($text, $coordX, $coordY + $this->resource->getFontSize($this->getDrawer()), 0, $this->getDrawer());
return $this;
}
