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staticmaplite
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marker prototypes with offset + shadow 

git-svn-id: http://svn.code.sf.net/p/staticmaplite/code@5 3c7674d3-d6c2-4d0e-87b7-95661b9333b9
This commit is contained in:
rac98 2009-10-15 13:36:01 +00:00
parent eda405aafe
commit 919770b1dd
1 changed files with 71 additions and 12 deletions
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83
staticmap.php
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@ -1,7 +1,7 @@
<?php
/**
* staticMapLite 0.02
* staticMapLite 0.03
*
* Copyright 2009 Gerhard Koch
*
@ -42,11 +42,27 @@ Class staticMapLite {
protected $tileDefaultSrc = 'mapnik';
protected $markerBaseDir = 'images/markers';
protected $osmLogo = 'images/osm_logo.png';
protected $markerPrototypes = array('lighblue' => array('regex'=>'/^lightblue([0-9]+)$/',
'extension'=>'.png',
'shadow'=>false,
'offsetImage'=>'0,-19',
'offsetShadow'=>false
),
'ol-marker'=> array('regex'=>'/^ol-marker(|-blue|-gold|-green)+$/',
'extension'=>'ol-marker{1}.png',
'shadow'=>'../marker_shadow.png',
'offsetImage'=>'-10,-25',
'offsetShadow'=>'-1,-13'
)
);
protected $useTileCache = true;
protected $tileCacheBaseDir = 'cache/tiles';
protected $useMapCache = true;
protected $useMapCache = false;
protected $mapCacheBaseDir = 'cache/maps';
protected $mapCacheID = '';
protected $mapCacheFile = '';
@ -88,11 +104,11 @@ Class staticMapLite {
if($_GET['markers']){
$markers = split('%7C|\|',$_GET['markers']);
foreach($markers as $marker){
list($markerLat, $markerLon, $markerImage) = split(',',$marker);
list($markerLat, $markerLon, $markerType) = split(',',$marker);
$markerLat = floatval($markerLat);
$markerLon = floatval($markerLon);
$markerImage = basename($markerImage);
$this->markers[] = array('lat'=>$markerLat, 'lon'=>$markerLon, 'image'=>$markerImage);
$markerType = basename($markerType);
$this->markers[] = array('lat'=>$markerLat, 'lon'=>$markerLon, 'type'=>$markerType);
}
}
@ -142,22 +158,65 @@ Class staticMapLite {
public function placeMarkers(){
// loop thru marker array
foreach($this->markers as $marker){
// set some local variables
$markerLat = $marker['lat'];
$markerLon = $marker['lon'];
$markerImage = $marker['image'];
$markerIndex++;
$markerFilename = $markerImage?(file_exists($this->markerBaseDir.'/'.$markerImage.".png")?$markerImage:'lightblue'.$markerIndex):'lightblue'.$markerIndex;
if(file_exists($this->markerBaseDir.'/'.$markerFilename.".png")){
$markerImg = imagecreatefrompng($this->markerBaseDir.'/'.$markerFilename.".png");
$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(!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)));
$destY = $destY - imagesy($markerImg);
imagecopy($this->image, $markerImg, $destX, $destY, 0, 0, imagesx($markerImg), imagesy($markerImg));
// copy shadow on basemap
if($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));
};
}