/**
* concatenate tiles to one map
*
* @param array $tiles
* @return Map
*/
protected function _concatenateTiles($tiles)
{
$height = count($tiles) * $this->_tileSource->getTileWidth();
$width = count($tiles[0]) * $this->_tileSource->getTileHeight();
$imageHandler = $this->_tileSource->getImageHandler();
$mapImage = $imageHandler->createImage($width, $height);
$y = 0;
$firstTile = $tiles[0][0];
foreach ($tiles as $rowKey => $row) {
$x = 0;
foreach ($row as $tileKey => $tile) {
imagecopy($mapImage, $tile->getImage(), $x, $y, 0, 0, $this->_tileSource->getTileWidth(), $this->_tileSource->getTileHeight());
$x += $this->_tileSource->getTileWidth();
}
$y += $this->_tileSource->getTileHeight();
}
$map = new Map($mapImage);
$leftUp = $firstTile->getLeftUpCorner();
$map->setLeftUpCorner($leftUp['lon'], $leftUp['lat']);
$map->setWorldMap($this->_worldMap);
$map->setImageHandler($this->_tileSource->getImageHandler());
return $map;
}
