/**
* load all tiles
*
* @param array $leftUpCorner
* @param array $rightDownCorner
* @return array
*/
protected function _getTiles($leftUpCorner, $rightDownCorner)
{
$tiles = array();
$leftUpTilesNumber = $this->_tileSource->getTileNumbersFromCoordinates($leftUpCorner['lon'], $leftUpCorner['lat'], $this->_worldMap->getZoom());
$rightDownTilesNumber = $this->_tileSource->getTileNumbersFromCoordinates($rightDownCorner['lon'], $rightDownCorner['lat'], $this->_worldMap->getZoom());
$tilesGetter = new TilesGetter($leftUpTilesNumber, $rightDownTilesNumber, $this->_tileSource, $this->_worldMap);
$tilesGetter->startLoading();
while (!$tilesGetter->isLoaded()) {
//wating for finishing loading
}
return $tilesGetter->getTiles();
}
private function _createTileGettersTable()
{
$numberOfTilesToLoad = 0;
for ($y = $this->_leftUpTileNumbers['y']; $y <= $this->_rightDownTileNumbers['y']; $y++) {
$row = array();
$x = $this->_leftUpTileNumbers['x'];
while (true) {
$tileGetter = new StandardTileGetter($this->_tileSource, $x, $y, $this->_worldMap->getZoom());
$row[] = $tileGetter;
$numberOfTilesToLoad++;
if ($x == $this->_rightDownTileNumbers['x']) {
break;
}
$x++;
}
$this->_tileGetters[] = $row;
}
if ($numberOfTilesToLoad > self::$limitOfTiles) {
throw new WrongMapRequestDataException('Too many tiles to load');
}
}
protected function _run()
{
$this->_tile = $this->_tileSource->getTile($this->_tileNumbers['x'], $this->_tileNumbers['y'], $this->_worldMap->getZoom());
$this->_isLoaded = true;
}