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staticmaplite
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Merge 1b5547a29a into 601f3f684a

This commit is contained in:
gliden 2016-05-24 20:06:25 +00:00
parent 601f3f684a 1b5547a29a
commit 60c166a2d0
1 changed files with 23 additions and 30 deletions
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53
staticmap.php
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@ -33,6 +33,7 @@ Class staticMapLite
protected $maxWidth = 1024;
protected $maxHeight = 1024;
protected $maxtiles = 0;
protected $tileSize = 256;
protected $tileSrcUrl = array('mapnik' => 'http://tile.openstreetmap.org/{Z}/{X}/{Y}.png',
@ -185,6 +186,10 @@ Class staticMapLite
$this->offsetY = floor((floor($this->centerY) - $this->centerY) * $this->tileSize);
}
public function normalizeTileCoord($position){
return ($position < 0) ? $this->maxtiles + $position : $position%$this->maxtiles;
}
public function createBaseMap()
{
$this->image = imagecreatetruecolor($this->width, $this->height);
@ -198,10 +203,11 @@ Class staticMapLite
$this->offsetY += floor($this->height / 2);
$this->offsetX += floor($startX - floor($this->centerX)) * $this->tileSize;
$this->offsetY += floor($startY - floor($this->centerY)) * $this->tileSize;
$this->maxtiles = sqrt(pow(2,(2*$this->zoom)));
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]);
$url = str_replace(array('{Z}', '{X}', '{Y}'), array($this->zoom, $this->normalizeTileCoord($x), $y), $this->tileSrcUrl[$this->maptype]);
$tileData = $this->fetchTile($url);
if ($tileData) {
$tileImage = imagecreatefromstring($tileData);
@ -215,6 +221,8 @@ Class staticMapLite
imagecopy($this->image, $tileImage, $destX, $destY, 0, 0, $this->tileSize, $this->tileSize);
}
}
$this->mkdir_recursive(dirname($this->mapCacheIDToFilename()), 0777);
imagepng($this->image, $this->mapCacheIDToFilename(), 9);
}
@ -307,7 +315,7 @@ Class staticMapLite
public function serializeParams()
{
return join("&", array($this->zoom, $this->lat, $this->lon, $this->width, $this->height, serialize($this->markers), $this->maptype));
return join("&", array($this->zoom, $this->lat, $this->lon, $this->width, $this->height, $this->maptype));
}
public function mapCacheIDToFilename()
@ -367,7 +375,15 @@ Class staticMapLite
public function makeMap()
{
$this->initCoords();
$this->createBaseMap();
if ($this->useMapCache){
if($this->checkMapCache()){
$this->image = imagecreatefrompng($this->mapCacheIDToFilename());
} else{
$this->createBaseMap();
}
} else{
$this->createBaseMap();
}
if (count($this->markers)) $this->placeMarkers();
if ($this->osmLogo) $this->copyrightNotice();
}
@ -375,32 +391,9 @@ Class staticMapLite
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);
}
$this->makeMap();
$this->sendHeader();
return imagepng($this->image);
}
}