From beb0d2a243c7613cefc0f88f2fa11b3543f7cab5 Mon Sep 17 00:00:00 2001 From: Michael Meier Date: Thu, 2 Jun 2016 17:35:56 +0200 Subject: [PATCH] update to new upstream version --- cgis/staticmap.php | 693 ++++++++++++++++++++++++--------------------- 1 file changed, 372 insertions(+), 321 deletions(-) diff --git a/cgis/staticmap.php b/cgis/staticmap.php index a721c3e..d8317db 100755 --- a/cgis/staticmap.php +++ b/cgis/staticmap.php @@ -1,11 +1,11 @@ -#!/usr/bin/php5-cgi +#!/usr/bin/php-cgi * - * USAGE: + * USAGE: * * staticmap.php?center=40.714728,-73.998672&zoom=14&size=512x512&maptype=mapnik&markers=40.702147,-74.015794,blues|40.711614,-74.012318,greeng|40.718217,-73.998284,redc * - */ + */ error_reporting(0); -ini_set('display_errors','off'); +ini_set('display_errors', 'off'); -Class staticMapLite { +Class staticMapLite +{ - protected $maxWidth = 2048; - protected $maxHeight = 2048; + protected $maxWidth = 2048; + protected $maxHeight = 2048; - protected $tileSize = 256; - protected $tileSrcUrl = array( 'osmorg' => 'http://osm.rrze.fau.de/tiles/{Z}/{X}/{Y}.png', + protected $tileSize = 256; + protected $tileSrcUrl = array( 'osmorg' => 'http://osm.rrze.fau.de/tiles/{Z}/{X}/{Y}.png', 'osmde' => 'http://osm.rrze.fau.de/osmde/{Z}/{X}/{Y}.png', 'osmorglowzoom' => 'http://osm.rrze.fau.de/lowzoom/{Z}/{X}/{Y}.png', 'luftbilderl' => 'http://osm.rrze.fau.de/luftbilderl/{Z}/{X}/{Y}.png' - ); - - protected $tileDefaultSrc = 'osmde'; - protected $markerBaseDir = '/var/www/staticmaplite/images/markers'; - protected $osmLogo = '/var/www/staticmaplite/images/osm_logo.png'; - - protected $markerPrototypes = array(// found at http://www.mapito.net/map-marker-icons.html - 'lighblue' => array('regex'=>'/^lightblue([0-9]+)$/', - 'extension'=>'.png', - 'shadow'=>false, - 'offsetImage'=>'0,-19', - 'offsetShadow'=>false - ), - // openlayers std markers - 'ol-marker'=> array('regex'=>'/^ol-marker(|-blue|-gold|-green)+$/', - 'extension'=>'.png', - 'shadow'=>'../marker_shadow.png', - 'offsetImage'=>'-10,-25', - 'offsetShadow'=>'-1,-13' - ), - // taken from http://www.visual-case.it/cgi-bin/vc/GMapsIcons.pl - 'ylw'=> array('regex'=>'/^(pink|purple|red|ltblu|ylw)-pushpin$/', - 'extension'=>'.png', - 'shadow'=>'../marker_shadow.png', - 'offsetImage'=>'-10,-32', - 'offsetShadow'=>'-1,-13' - ) - - ); - - - - # No point in caching - our source is localhost - protected $useTileCache = false; - protected $tileCacheBaseDir = 'cache/tiles'; - - protected $useMapCache = false; - protected $mapCacheBaseDir = 'cache/maps'; - protected $mapCacheID = ''; - protected $mapCacheFile = ''; - protected $mapCacheExtension = 'png'; - - protected $zoom, $lat, $lon, $width, $height, $markers, $image, $maptype; - protected $centerX, $centerY, $offsetX, $offsetY; - - public function __construct(){ - $this->zoom = 0; - $this->lat = 0; - $this->lon = 0; - $this->width = 500; - $this->height = 350; - $this->markers = array(); - $this->maptype = $this->tileDefaultSrc; - } - - public function parseParams(){ - global $_GET; - - // get zoom from GET paramter - $this->zoom = $_GET['zoom']?intval($_GET['zoom']):0; - if($this->zoom>18)$this->zoom = 18; - - // get lat and lon from GET paramter - list($this->lat,$this->lon) = split(',',$_GET['center']); - $this->lat = floatval($this->lat); - $this->lon = floatval($this->lon); - - // get zoom from GET paramter - if($_GET['size']){ - list($this->width, $this->height) = split('x',$_GET['size']); - $this->width = intval($this->width); - if($this->width > $this->maxWidth) $this->width = $this->maxWidth; - $this->height = intval($this->height); - if($this->height > $this->maxHeight) $this->height = $this->maxHeight; - } - if($_GET['markers']){ - $markers = split('%7C|\|',$_GET['markers']); - foreach($markers as $marker){ - list($markerLat, $markerLon, $markerType) = split(',',$marker); - $markerLat = floatval($markerLat); - $markerLon = floatval($markerLon); - $markerType = basename($markerType); - $this->markers[] = array('lat'=>$markerLat, 'lon'=>$markerLon, 'type'=>$markerType); - } - - } - if($_GET['maptype']){ - if(array_key_exists($_GET['maptype'],$this->tileSrcUrl)) $this->maptype = $_GET['maptype']; - } - } - - public function lonToTile($long, $zoom){ - return (($long + 180) / 360) * pow(2, $zoom); - } - - public function latToTile($lat, $zoom){ - return (1 - log(tan($lat * pi()/180) + 1 / cos($lat* pi()/180)) / pi()) /2 * pow(2, $zoom); - } - - public function initCoords(){ - $this->centerX = $this->lonToTile($this->lon, $this->zoom); - $this->centerY = $this->latToTile($this->lat, $this->zoom); - $this->offsetX = floor((floor($this->centerX)-$this->centerX)*$this->tileSize); - $this->offsetY = floor((floor($this->centerY)-$this->centerY)*$this->tileSize); - } - - public function createBaseMap(){ - $this->image = imagecreatetruecolor($this->width, $this->height); - $startX = floor($this->centerX-($this->width/$this->tileSize)/2); - $startY = floor($this->centerY-($this->height/$this->tileSize)/2); - $endX = ceil($this->centerX+($this->width/$this->tileSize)/2); - $endY = ceil($this->centerY+($this->height/$this->tileSize)/2); - $this->offsetX = -floor(($this->centerX-floor($this->centerX))*$this->tileSize); - $this->offsetY = -floor(($this->centerY-floor($this->centerY))*$this->tileSize); - $this->offsetX += floor($this->width/2); - $this->offsetY += floor($this->height/2); - $this->offsetX += floor($startX-floor($this->centerX))*$this->tileSize; - $this->offsetY += floor($startY-floor($this->centerY))*$this->tileSize; - - for($x=$startX; $x<=$endX; $x++){ - for($y=$startY; $y<=$endY; $y++){ - $url = str_replace(array('{Z}','{X}','{Y}'),array($this->zoom, $x, $y), $this->tileSrcUrl[$this->maptype]); - $tileData = $this->fetchTile($url); - if($tileData){ - $tileImage = imagecreatefromstring($tileData); - } else { - $tileImage = imagecreate($this->tileSize,$this->tileSize); - $color = imagecolorallocate($tileImage, 255, 255, 255); - @imagestring($tileImage,1,127,127,'err',$color); - } - $destX = ($x-$startX)*$this->tileSize+$this->offsetX; - $destY = ($y-$startY)*$this->tileSize+$this->offsetY; - imagecopy($this->image, $tileImage, $destX, $destY, 0, 0, $this->tileSize, $this->tileSize); - } - } - } - - - public function placeMarkers(){ - // loop thru marker array - foreach($this->markers as $marker){ - // set some local variables - $markerLat = $marker['lat']; - $markerLon = $marker['lon']; - $markerType = $marker['type']; - // clear variables from previous loops - $markerFilename = ''; - $markerShadow = ''; - $matches = false; - // check for marker type, get settings from markerPrototypes - if($markerType){ - foreach($this->markerPrototypes as $markerPrototype){ - if(preg_match($markerPrototype['regex'],$markerType,$matches)){ - $markerFilename = $matches[0].$markerPrototype['extension']; - if($markerPrototype['offsetImage']){ - list($markerImageOffsetX, $markerImageOffsetY) = split(",",$markerPrototype['offsetImage']); - } - $markerShadow = $markerPrototype['shadow']; - if($markerShadow){ - list($markerShadowOffsetX, $markerShadowOffsetY) = split(",",$markerPrototype['offsetShadow']); - } - } - } - } - - // check required files or set default - if($markerFilename == '' || !file_exists($this->markerBaseDir.'/'.$markerFilename)){ - $markerIndex++; - $markerFilename = 'lightblue'.$markerIndex.'.png'; - $markerImageOffsetX = 0; - $markerImageOffsetY = -19; } - - // create img resource - if(file_exists($this->markerBaseDir.'/'.$markerFilename)){ - $markerImg = imagecreatefrompng($this->markerBaseDir.'/'.$markerFilename); - } else { - $markerImg = imagecreatefrompng($this->markerBaseDir.'/lightblue1.png'); - } - - // check for shadow + create shadow recource - if($markerShadow && file_exists($this->markerBaseDir.'/'.$markerShadow)){ - $markerShadowImg = imagecreatefrompng($this->markerBaseDir.'/'.$markerShadow); - } - - // calc position - $destX = floor(($this->width/2)-$this->tileSize*($this->centerX-$this->lonToTile($markerLon, $this->zoom))); - $destY = floor(($this->height/2)-$this->tileSize*($this->centerY-$this->latToTile($markerLat, $this->zoom))); - - // copy shadow on basemap - if($markerShadow && $markerShadowImg){ - imagecopy($this->image, $markerShadowImg, $destX+intval($markerShadowOffsetX), $destY+intval($markerShadowOffsetY), - 0, 0, imagesx($markerShadowImg), imagesy($markerShadowImg)); - } - - // copy marker on basemap above shadow - imagecopy($this->image, $markerImg, $destX+intval($markerImageOffsetX), $destY+intval($markerImageOffsetY), - 0, 0, imagesx($markerImg), imagesy($markerImg)); - - }; -} - - - - public function tileUrlToFilename($url){ - return $this->tileCacheBaseDir."/".str_replace(array('http://'),'',$url); - } - - public function checkTileCache($url){ - $filename = $this->tileUrlToFilename($url); - if(file_exists($filename)){ - return file_get_contents($filename); - } - } - - public function checkMapCache(){ - $this->mapCacheID = md5($this->serializeParams()); - $filename = $this->mapCacheIDToFilename(); - if(file_exists($filename)) return true; - } - - public function serializeParams(){ - return join("&",array($this->zoom,$this->lat,$this->lon,$this->width,$this->height, serialize($this->markers),$this->maptype)); - } - - public function mapCacheIDToFilename(){ - if(!$this->mapCacheFile){ - $this->mapCacheFile = $this->mapCacheBaseDir."/".$this->maptype."/".$this->zoom."/cache_".substr($this->mapCacheID,0,2)."/".substr($this->mapCacheID,2,2)."/".substr($this->mapCacheID,4); - } - return $this->mapCacheFile.".".$this->mapCacheExtension; - } - - - - public function mkdir_recursive($pathname, $mode){ - is_dir(dirname($pathname)) || $this->mkdir_recursive(dirname($pathname), $mode); - return is_dir($pathname) || @mkdir($pathname, $mode); - } - public function writeTileToCache($url, $data){ - $filename = $this->tileUrlToFilename($url); - $this->mkdir_recursive(dirname($filename),0777); - file_put_contents($filename, $data); - } - - public function fetchTile($url){ - if($this->useTileCache && ($cached = $this->checkTileCache($url))) return $cached; - $ch = curl_init(); - curl_setopt($ch, CURLOPT_RETURNTRANSFER, 1); - curl_setopt($ch, CURLOPT_USERAGENT, "Mozilla/4.0"); - curl_setopt($ch, CURLOPT_URL, $url); - $tile = curl_exec($ch); - curl_close($ch); - if($tile && $this->useTileCache){ - $this->writeTileToCache($url,$tile); - } - return $tile; - - } - - public function copyrightNotice(){ - $logoImg = imagecreatefrompng($this->osmLogo); - imagecopy($this->image, $logoImg, imagesx($this->image)-imagesx($logoImg), imagesy($this->image)-imagesy($logoImg), 0, 0, imagesx($logoImg), imagesy($logoImg)); - - } - - public function sendHeader(){ - header('Content-Type: image/png'); - $expires = 60*60*24*14; - header("Pragma: public"); - header("Cache-Control: maxage=".$expires); - header('Expires: ' . gmdate('D, d M Y H:i:s', time()+$expires) . ' GMT'); - } - - public function makeMap(){ - $this->initCoords(); - $this->createBaseMap(); - if(count($this->markers))$this->placeMarkers(); - if($this->osmLogo) $this->copyrightNotice(); - } - - public function showMap(){ - $this->parseParams(); - if($this->useMapCache){ - // use map cache, so check cache for map - if(!$this->checkMapCache()){ - // map is not in cache, needs to be build - $this->makeMap(); - $this->mkdir_recursive(dirname($this->mapCacheIDToFilename()),0777); - imagepng($this->image,$this->mapCacheIDToFilename(),9); - $this->sendHeader(); - if(file_exists($this->mapCacheIDToFilename())){ - return file_get_contents($this->mapCacheIDToFilename()); - } else { - return imagepng($this->image); - } - } else { - // map is in cache - $this->sendHeader(); - return file_get_contents($this->mapCacheIDToFilename()); - } - - } else { - // no cache, make map, send headers and deliver png - $this->makeMap(); - $this->sendHeader(); - return imagepng($this->image); - - } - } + ); + + protected $tileDefaultSrc = 'osmde'; + protected $markerBaseDir = '/var/www/staticmaplite/images/markers'; + protected $osmLogo = '/var/www/staticmaplite/images/osm_logo.png'; + + protected $markerPrototypes = array(// found at http://www.mapito.net/map-marker-icons.html + 'lighblue' => array('regex'=>'/^lightblue([0-9]+)$/', + 'extension'=>'.png', + 'shadow'=>false, + 'offsetImage'=>'0,-19', + 'offsetShadow'=>false + ), + // openlayers std markers + 'ol-marker'=> array('regex'=>'/^ol-marker(|-blue|-gold|-green)+$/', + 'extension'=>'.png', + 'shadow'=>'../marker_shadow.png', + 'offsetImage'=>'-10,-25', + 'offsetShadow'=>'-1,-13' + ), + // taken from http://www.visual-case.it/cgi-bin/vc/GMapsIcons.pl + 'ylw'=> array('regex'=>'/^(pink|purple|red|ltblu|ylw)-pushpin$/', + 'extension'=>'.png', + 'shadow'=>'../marker_shadow.png', + 'offsetImage'=>'-10,-32', + 'offsetShadow'=>'-1,-13' + ) + + ); + + + + # No point in caching - our source is localhost + protected $useTileCache = false; + protected $tileCacheBaseDir = 'cache/tiles'; + + protected $useMapCache = false; + protected $mapCacheBaseDir = 'cache/maps'; + protected $mapCacheID = ''; + protected $mapCacheFile = ''; + protected $mapCacheExtension = 'png'; + + + protected $zoom, $lat, $lon, $width, $height, $markers, $image, $maptype; + protected $centerX, $centerY, $offsetX, $offsetY; + + public function __construct() + { + $this->zoom = 0; + $this->lat = 0; + $this->lon = 0; + $this->width = 500; + $this->height = 350; + $this->markers = array(); + $this->maptype = $this->tileDefaultSrc; + } + + public function parseParams() + { + global $_GET; + + if (!empty($_GET['show'])) { + $this->parseOjwParams(); + } + else { + $this->parseLiteParams(); + } + } + + public function parseLiteParams() + { + // get zoom from GET paramter + $this->zoom = $_GET['zoom'] ? intval($_GET['zoom']) : 0; + if ($this->zoom > 18) $this->zoom = 18; + + // get lat and lon from GET paramter + list($this->lat, $this->lon) = explode(',', $_GET['center']); + $this->lat = floatval($this->lat); + $this->lon = floatval($this->lon); + + // get size from GET paramter + if ($_GET['size']) { + list($this->width, $this->height) = explode('x', $_GET['size']); + $this->width = intval($this->width); + if ($this->width > $this->maxWidth) $this->width = $this->maxWidth; + $this->height = intval($this->height); + if ($this->height > $this->maxHeight) $this->height = $this->maxHeight; + } + if (!empty($_GET['markers'])) { + $markers = explode('|', $_GET['markers']); + foreach ($markers as $marker) { + list($markerLat, $markerLon, $markerType) = explode(',', $marker); + $markerLat = floatval($markerLat); + $markerLon = floatval($markerLon); + $markerType = basename($markerType); + $this->markers[] = array('lat' => $markerLat, 'lon' => $markerLon, 'type' => $markerType); + } + + } + if ($_GET['maptype']) { + if (array_key_exists($_GET['maptype'], $this->tileSrcUrl)) $this->maptype = $_GET['maptype']; + } + } + + public function parseOjwParams() + { + $this->lat = floatval($_GET['lat']); + $this->lon = floatval($_GET['lon']); + $this->zoom = intval($_GET['z']); + + $this->width = intval($_GET['w']); + if ($this->width > $this->maxWidth) $this->width = $this->maxWidth; + $this->height = intval($_GET['h']); + if ($this->height > $this->maxHeight) $this->height = $this->maxHeight; + + + if (!empty($_GET['mlat0'])) { + $markerLat = floatval($_GET['mlat0']); + if (!empty($_GET['mlon0'])) { + $markerLon = floatval($_GET['mlon0']); + $this->markers[] = array('lat' => $markerLat, 'lon' => $markerLon, 'type' => "bullseye"); + } + } + } + + public function lonToTile($long, $zoom) + { + return (($long + 180) / 360) * pow(2, $zoom); + } + + public function latToTile($lat, $zoom) + { + return (1 - log(tan($lat * pi() / 180) + 1 / cos($lat * pi() / 180)) / pi()) / 2 * pow(2, $zoom); + } + + public function initCoords() + { + $this->centerX = $this->lonToTile($this->lon, $this->zoom); + $this->centerY = $this->latToTile($this->lat, $this->zoom); + $this->offsetX = floor((floor($this->centerX) - $this->centerX) * $this->tileSize); + $this->offsetY = floor((floor($this->centerY) - $this->centerY) * $this->tileSize); + } + + public function createBaseMap() + { + $this->image = imagecreatetruecolor($this->width, $this->height); + $startX = floor($this->centerX - ($this->width / $this->tileSize) / 2); + $startY = floor($this->centerY - ($this->height / $this->tileSize) / 2); + $endX = ceil($this->centerX + ($this->width / $this->tileSize) / 2); + $endY = ceil($this->centerY + ($this->height / $this->tileSize) / 2); + $this->offsetX = -floor(($this->centerX - floor($this->centerX)) * $this->tileSize); + $this->offsetY = -floor(($this->centerY - floor($this->centerY)) * $this->tileSize); + $this->offsetX += floor($this->width / 2); + $this->offsetY += floor($this->height / 2); + $this->offsetX += floor($startX - floor($this->centerX)) * $this->tileSize; + $this->offsetY += floor($startY - floor($this->centerY)) * $this->tileSize; + + for ($x = $startX; $x <= $endX; $x++) { + for ($y = $startY; $y <= $endY; $y++) { + $url = str_replace(array('{Z}', '{X}', '{Y}'), array($this->zoom, $x, $y), $this->tileSrcUrl[$this->maptype]); + $tileData = $this->fetchTile($url); + if ($tileData) { + $tileImage = imagecreatefromstring($tileData); + } else { + $tileImage = imagecreate($this->tileSize, $this->tileSize); + $color = imagecolorallocate($tileImage, 255, 255, 255); + @imagestring($tileImage, 1, 127, 127, 'err', $color); + } + $destX = ($x - $startX) * $this->tileSize + $this->offsetX; + $destY = ($y - $startY) * $this->tileSize + $this->offsetY; + imagecopy($this->image, $tileImage, $destX, $destY, 0, 0, $this->tileSize, $this->tileSize); + } + } + } + + + public function placeMarkers() + { + // loop thru marker array + foreach ($this->markers as $marker) { + // set some local variables + $markerLat = $marker['lat']; + $markerLon = $marker['lon']; + $markerType = $marker['type']; + // clear variables from previous loops + $markerFilename = ''; + $markerShadow = ''; + $matches = false; + // check for marker type, get settings from markerPrototypes + if ($markerType) { + foreach ($this->markerPrototypes as $markerPrototype) { + if (preg_match($markerPrototype['regex'], $markerType, $matches)) { + $markerFilename = $matches[0] . $markerPrototype['extension']; + if ($markerPrototype['offsetImage']) { + list($markerImageOffsetX, $markerImageOffsetY) = explode(",", $markerPrototype['offsetImage']); + } + $markerShadow = $markerPrototype['shadow']; + if ($markerShadow) { + list($markerShadowOffsetX, $markerShadowOffsetY) = explode(",", $markerPrototype['offsetShadow']); + } + } + + } + } + + // check required files or set default + if ($markerFilename == '' || !file_exists($this->markerBaseDir . '/' . $markerFilename)) { + $markerIndex++; + $markerFilename = 'lightblue' . $markerIndex . '.png'; + $markerImageOffsetX = 0; + $markerImageOffsetY = -19; + } + + // create img resource + if (file_exists($this->markerBaseDir . '/' . $markerFilename)) { + $markerImg = imagecreatefrompng($this->markerBaseDir . '/' . $markerFilename); + } else { + $markerImg = imagecreatefrompng($this->markerBaseDir . '/lightblue1.png'); + } + + // check for shadow + create shadow recource + if ($markerShadow && file_exists($this->markerBaseDir . '/' . $markerShadow)) { + $markerShadowImg = imagecreatefrompng($this->markerBaseDir . '/' . $markerShadow); + } + + // calc position + $destX = floor(($this->width / 2) - $this->tileSize * ($this->centerX - $this->lonToTile($markerLon, $this->zoom))); + $destY = floor(($this->height / 2) - $this->tileSize * ($this->centerY - $this->latToTile($markerLat, $this->zoom))); + + // copy shadow on basemap + if ($markerShadow && $markerShadowImg) { + imagecopy($this->image, $markerShadowImg, $destX + intval($markerShadowOffsetX), $destY + intval($markerShadowOffsetY), + 0, 0, imagesx($markerShadowImg), imagesy($markerShadowImg)); + } + + // copy marker on basemap above shadow + imagecopy($this->image, $markerImg, $destX + intval($markerImageOffsetX), $destY + intval($markerImageOffsetY), + 0, 0, imagesx($markerImg), imagesy($markerImg)); + + }; + } + + + public function tileUrlToFilename($url) + { + return $this->tileCacheBaseDir . "/" . str_replace(array('http://'), '', $url); + } + + public function checkTileCache($url) + { + $filename = $this->tileUrlToFilename($url); + if (file_exists($filename)) { + return file_get_contents($filename); + } + } + + public function checkMapCache() + { + $this->mapCacheID = md5($this->serializeParams()); + $filename = $this->mapCacheIDToFilename(); + if (file_exists($filename)) return true; + } + + public function serializeParams() + { + return join("&", array($this->zoom, $this->lat, $this->lon, $this->width, $this->height, serialize($this->markers), $this->maptype)); + } + + public function mapCacheIDToFilename() + { + if (!$this->mapCacheFile) { + $this->mapCacheFile = $this->mapCacheBaseDir . "/" . $this->maptype . "/" . $this->zoom . "/cache_" . substr($this->mapCacheID, 0, 2) . "/" . substr($this->mapCacheID, 2, 2) . "/" . substr($this->mapCacheID, 4); + } + return $this->mapCacheFile . "." . $this->mapCacheExtension; + } + + + public function mkdir_recursive($pathname, $mode) + { + is_dir(dirname($pathname)) || $this->mkdir_recursive(dirname($pathname), $mode); + return is_dir($pathname) || @mkdir($pathname, $mode); + } + + public function writeTileToCache($url, $data) + { + $filename = $this->tileUrlToFilename($url); + $this->mkdir_recursive(dirname($filename), 0777); + file_put_contents($filename, $data); + } + + public function fetchTile($url) + { + if ($this->useTileCache && ($cached = $this->checkTileCache($url))) return $cached; + $ch = curl_init(); + curl_setopt($ch, CURLOPT_RETURNTRANSFER, 1); + curl_setopt($ch, CURLOPT_USERAGENT, "Mozilla/4.0"); + curl_setopt($ch, CURLOPT_URL, $url); + $tile = curl_exec($ch); + curl_close($ch); + if ($tile && $this->useTileCache) { + $this->writeTileToCache($url, $tile); + } + return $tile; + + } + + public function copyrightNotice() + { + $logoImg = imagecreatefrompng($this->osmLogo); + imagecopy($this->image, $logoImg, imagesx($this->image) - imagesx($logoImg), imagesy($this->image) - imagesy($logoImg), 0, 0, imagesx($logoImg), imagesy($logoImg)); + + } + + public function sendHeader() + { + header('Content-Type: image/png'); + $expires = 60 * 60 * 24 * 14; + header("Pragma: public"); + header("Cache-Control: maxage=" . $expires); + header('Expires: ' . gmdate('D, d M Y H:i:s', time() + $expires) . ' GMT'); + } + + public function makeMap() + { + $this->initCoords(); + $this->createBaseMap(); + if (count($this->markers)) $this->placeMarkers(); + if ($this->osmLogo) $this->copyrightNotice(); + } + + public function showMap() + { + $this->parseParams(); + if ($this->useMapCache) { + // use map cache, so check cache for map + if (!$this->checkMapCache()) { + // map is not in cache, needs to be build + $this->makeMap(); + $this->mkdir_recursive(dirname($this->mapCacheIDToFilename()), 0777); + imagepng($this->image, $this->mapCacheIDToFilename(), 9); + $this->sendHeader(); + if (file_exists($this->mapCacheIDToFilename())) { + return file_get_contents($this->mapCacheIDToFilename()); + } else { + return imagepng($this->image); + } + } else { + // map is in cache + $this->sendHeader(); + return file_get_contents($this->mapCacheIDToFilename()); + } + + } else { + // no cache, make map, send headers and deliver png + $this->makeMap(); + $this->sendHeader(); + return imagepng($this->image); + + } + } } $map = new staticMapLite(); print $map->showMap(); - -?> -- 2.25.1