-#!/usr/bin/php5-cgi
+#!/usr/bin/php-cgi
<?php
/**
- * staticMapLite 0.03
- * modded for RRZE settings -unrz191 2012-06-10
+ * staticMapLite 0.3.1
*
* Copyright 2009 Gerhard Koch
+ * modded for RRZE settings - unrz191 2012 + 2016-06-02
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
*
* @author Gerhard Koch <gerhard.koch AT ymail.com>
*
- * 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();
-
-?>
projects / osmrrze.git / commitdiff