/**
* Removes a diagram object from the grid
* @param string $id Id of the diagram object
* @return null
*/
public function removeDiagramObject($id)
{
$object = $this->getDiagramObject($id);
$dimension = $object->getDimension();
$cellsX = ceil($dimension->getWidth() / $this->cellDimension->getWidth());
$cellsY = ceil($dimension->getHeight() / $this->cellDimension->getHeight());
for ($i = 0; $i < $cellsX; $i++) {
$loopX = $i + $x;
for ($j = 0; $j < $cellsY; $j++) {
unset($this->grid[$loopX][$loopY]);
}
}
$object->setGridPoint(null);
$object->setGridDimension(null);
unset($this->objects[$id]);
}
/**
* Fills a ellipse on the image
* @param Point $center Point of the ellipse center
* @param Dimension $dimension Dimension of the ellipse
* @param Color $color
* @return null
*/
public function fillEllipse(Point $center, Dimension $dimension, Color $color)
{
$color = $this->allocateColor($color);
$x = $center->getX();
$y = $center->getY();
$width = $dimension->getWidth();
$height = $dimension->getHeight();
imageFilledEllipse($this->resource, $x, $y, $width, $height, $color);
}