/**
* Constructor
*
* @param string $path Path to image
* @param UnitConverter $unitConverter Converter that converts image's size from pixels to standard unit
*/
public function __construct($path, UnitConverter $unitConverter = null)
{
$this->path = $path;
$this->unitConverter = $unitConverter;
if (!$this->pathExists($path) || ($data = @getimagesize($path)) === false) {
throw InvalidResourceException::invalidImageException($path);
}
$this->type = $data[2];
$this->width = $unitConverter ? $unitConverter->convertUnit($data[0], UnitConverter::UNIT_PIXEL) : $data[0];
$this->height = $unitConverter ? $unitConverter->convertUnit($data[1], UnitConverter::UNIT_PIXEL) : $data[1];
}
private function getPointsWithPositionCorrection(UnitConverter $converter, Boundary $boundary)
{
$points = array();
$xSignMatrix = array(-1, 1, 1, -1, -1);
$ySignMatrix = array(1, 1, -1, -1, 1);
$position = $converter->convertUnit($this->position);
foreach ($boundary->getPoints() as $index => $point) {
$xSign = isset($xSignMatrix[$index]) ? $xSignMatrix[$index] : 1;
$ySign = isset($ySignMatrix[$index]) ? $ySignMatrix[$index] : 1;
$points[$index] = array($point->getX() + $position * $xSign, $point->getY() + $position * $ySign);
}
return $points;
}
private function convertPercentageDimension(UnitConverter $converter, Node $node, $width, $height)
{
$width = $converter->convertPercentageValue($width, $this->getWidth($node));
$height = $converter->convertPercentageValue($height, $this->getHeight($node));
return array($width, $height);
}
