staticmaplite/src/ElementPrinter/Marker/MarkerPrinter.php

121 lines
4.5 KiB
PHP

<?php
namespace StaticMapLite\ElementPrinter\Marker;
use StaticMapLite\Canvas\Canvas;
use StaticMapLite\Element\Marker\Marker;
use StaticMapLite\Util;
class MarkerPrinter
{
/** @var Marker $marker */
protected $marker = null;
protected $markerBaseDir = '../images/markers';
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',
),
// http://svn.openstreetmap.org/sites/other/StaticMap/symbols/0.png
'ojw' => array('regex' => '/^bullseye$/',
'extension' => '.png',
'shadow' => false,
'offsetImage' => '-20,-20',
'offsetShadow' => false,
),
);
public function __construct()
{
}
public function setMarker(Marker $marker): MarkerPrinter
{
$this->marker = $marker;
return $this;
}
public function paint(Canvas $canvas): MarkerPrinter
{
$markerFilename = '';
$markerShadow = '';
$matches = false;
$markerIndex = 0;
// check for marker type, get settings from markerPrototypes
if ($this->marker->getMarkerType()) {
foreach ($this->markerPrototypes as $markerPrototype) {
if (preg_match($markerPrototype['regex'], $this->marker->getMarkerType(), $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
$destX = floor(($canvas->getWidth() / 2) - $canvas->getTileSize() * ($canvas->getCenterX() - Util::lonToTile($this->marker->getLongitude(), $canvas->getZoom())));
$destY = floor(($canvas->getHeight() / 2) - $canvas->getTileSize() * ($canvas->getCenterY() - Util::latToTile($this->marker->getLatitude(), $canvas->getZoom())));
// copy shadow on basemap
if ($markerShadow && $markerShadowImg) {
imagecopy($canvas->getImage(), $markerShadowImg, $destX + intval($markerShadowOffsetX), $destY + intval($markerShadowOffsetY),
0, 0, imagesx($markerShadowImg), imagesy($markerShadowImg));
}
// copy marker on basemap above shadow
imagecopy($canvas->getImage(), $markerImg, $destX + intval($markerImageOffsetX), $destY + intval($markerImageOffsetY),
0, 0, imagesx($markerImg), imagesy($markerImg));
return $this;
}
}