Merge pull request #2 from calderacc/polylines

Polylines

composer.json

@@ -18,5 +18,7 @@
         }
     },
     "minimum-stability": "stable",
-    "require": {}
+    "require": {
+        "emcconville/google-map-polyline-encoding-tool": "^1.3"
+    }
 }

composer.lock

@@ -0,0 +1,63 @@
+{
+    "_readme": [
+        "This file locks the dependencies of your project to a known state",
+        "Read more about it at https://getcomposer.org/doc/01-basic-usage.md#composer-lock-the-lock-file",
+        "This file is @generated automatically"
+    ],
+    "content-hash": "d182917c77cf8a8483700b6913cd7277",
+    "packages": [
+        {
+            "name": "emcconville/google-map-polyline-encoding-tool",
+            "version": "v1.3",
+            "source": {
+                "type": "git",
+                "url": "https://github.com/emcconville/google-map-polyline-encoding-tool.git",
+                "reference": "dbf3816936620b88f0fc4000fddd94b5ce13eadb"
+            },
+            "dist": {
+                "type": "zip",
+                "url": "https://api.github.com/repos/emcconville/google-map-polyline-encoding-tool/zipball/dbf3816936620b88f0fc4000fddd94b5ce13eadb",
+                "reference": "dbf3816936620b88f0fc4000fddd94b5ce13eadb",
+                "shasum": ""
+            },
+            "require": {
+                "php": ">=5.3"
+            },
+            "require-dev": {
+                "phpunit/phpunit": "4.1.*",
+                "satooshi/php-coveralls": "dev-master",
+                "squizlabs/php_codesniffer": "2.0.0a2"
+            },
+            "type": "library",
+            "autoload": {
+                "files": [
+                    "src/Polyline.php"
+                ]
+            },
+            "notification-url": "https://packagist.org/downloads/",
+            "license": [
+                "GNU"
+            ],
+            "authors": [
+                {
+                    "name": "Eric McConville",
+                    "email": "emcconville@emcconville.com"
+                }
+            ],
+            "description": "A simple class to handle polyline-encoding for Google Maps",
+            "keywords": [
+                "google",
+                "maps"
+            ],
+            "time": "2016-04-05T01:18:39+00:00"
+        }
+    ],
+    "packages-dev": [],
+    "aliases": [],
+    "minimum-stability": "stable",
+    "stability-flags": [],
+    "prefer-stable": false,
+    "prefer-lowest": false,
+    "platform": [],
+    "platform-dev": []
+}

src/staticMapLite.php

@@ -52,13 +52,13 @@ class staticMapLite
     protected $useTileCache = true;
     protected $tileCacheBaseDir = '../cache/tiles';
 
-    protected $useMapCache = true;
+    protected $useMapCache = false;
     protected $mapCacheBaseDir = '../cache/maps';
     protected $mapCacheID = '';
     protected $mapCacheFile = '';
     protected $mapCacheExtension = 'png';
 
-    protected $zoom, $lat, $lon, $width, $height, $markers, $image, $maptype;
+    protected $zoom, $lat, $lon, $width, $height, $markers, $polylines, $image, $maptype;
     protected $centerX, $centerY, $offsetX, $offsetY;
 
     public function __construct()
@@ -114,6 +114,10 @@ class staticMapLite
             }
 
         }
+        if (!empty($_GET['polylines'])) {
+            list($polylineString, $colorRed, $colorGreen, $colorBlue) = explode(',', $_GET['polylines']);
+            $this->polylines[] = array('polyline' => $polylineString, 'colorRed' => $colorRed, 'colorGreen' => $colorGreen, 'colorBlue' => $colorBlue);
+        }
         if ($_GET['maptype']) {
             if (array_key_exists($_GET['maptype'], $this->tileSrcUrl)) $this->maptype = $_GET['maptype'];
         }
@@ -257,6 +261,52 @@ class staticMapLite
         };
     }
 
+    public function placePolylines()
+    {
+        // loop thru marker array
+        foreach ($this->polylines as $polyline) {
+            // set some local variables
+            $polylineString = $polyline['polyline'];
+            $colorRed = $polyline['colorRed'];
+            $colorGreen = $polyline['colorGreen'];
+            $colorBlue = $polyline['colorBlue'];
+
+            $polylineList = \Polyline::decode($polylineString);
+
+            $sourceLatitude = null;
+            $sourceLongitude = null;
+            $destinationLatitude = null;
+            $destinationLongitude = null;
+
+            $color = imagecolorallocate($this->image, $colorRed, $colorGreen, $colorBlue);
+            imagesetthickness($this->image, 3);
+            //imageantialias($this->image, true);
+
+            while (!empty($polylineList)) {
+                if (!$sourceLatitude) {
+                    $sourceLatitude = array_shift($polylineList);
+                }
+
+                if (!$sourceLongitude) {
+                    $sourceLongitude = array_shift($polylineList);
+                }
+
+                $sourceX = floor(($this->width / 2) - $this->tileSize * ($this->centerX - $this->lonToTile($sourceLongitude, $this->zoom)));
+                $sourceY = floor(($this->height / 2) - $this->tileSize * ($this->centerY - $this->latToTile($sourceLatitude, $this->zoom)));
+
+                $destinationLatitude = array_shift($polylineList);
+                $destinationLongitude = array_shift($polylineList);
+
+                $destinationX = floor(($this->width / 2) - $this->tileSize * ($this->centerX - $this->lonToTile($destinationLongitude, $this->zoom)));
+                $destinationY = floor(($this->height / 2) - $this->tileSize * ($this->centerY - $this->latToTile($destinationLatitude, $this->zoom)));
+
+                imageline($this->image , $sourceX, $sourceY , $destinationX, $destinationY, $color);
+
+                $sourceLatitude = $destinationLatitude;
+                $sourceLongitude = $destinationLongitude;
+            }
+        }
+    }
 
     public function tileUrlToFilename($url)
     {
@@ -342,6 +392,7 @@ class staticMapLite
         $this->initCoords();
         $this->createBaseMap();
         if (count($this->markers)) $this->placeMarkers();
+        if (count($this->polylines)) $this->placePolylines();
         if ($this->osmLogo) $this->copyrightNotice();
     }
 

web/info.php

@@ -0,0 +1,7 @@
+<?php
+/**
+ * Created by PhpStorm.
+ * User: maltehuebner
+ * Date: 26.05.17
+ * Time: 15:09
+ */