Much WIP.

src/Canvas/Canvas.php

@@ -5,14 +5,25 @@ namespace StaticMapLite\Canvas;
 class Canvas
 {
     protected $image = null;
+
     protected $width = 0;
     protected $height = 0;
 
-    public function __construct(int $width, int $height)
+    protected $centerX = 0;
+    protected $centerY = 0;
+
+    protected $zoom = 0;
+
+    public function __construct(int $width, int $height, int $zoom, int $centerX, int $centerY)
     {
         $this->width = $width;
         $this->height = $height;
 
+        $this->zoom = $zoom;
+
+        $this->centerX = $centerX;
+        $this->centerY = $centerY;
+
         $this->image = imagecreatetruecolor($this->width, $this->height);
     }
 
@@ -20,4 +31,29 @@ class Canvas
     {
         return $this->image;
     }
+
+    public function getWidth(): int
+    {
+        return $this->width;
+    }
+
+    public function getHeight(): int
+    {
+        return $this->height;
+    }
+
+    public function getCenterX(): int
+    {
+        return $this->centerX;
+    }
+
+    public function getCenterY(): int
+    {
+        return $this->centerY;
+    }
+
+    public function getZoom(): int
+    {
+        return $this->zoom;
+    }
 }

src/ElementPrinter/Marker/MarkerPrinter.php

@@ -0,0 +1,118 @@
+<?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 $tileSize = 256;
+
+    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 = '';
+        $matches = false;
+
+        // check for marker type, get settings from markerPrototypes
+        if ($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) - $this->tileSize * ($canvas->getCenterY() - Util::lonToTile($this->marker->getLongitude(), $this->zoom)));
+        $destY = floor(($canvas->getHeight() / 2) - $this->tileSize * ($canvas->getCenterY() - Util::latToTile($this->marker->getLatitude(), $this->zoom)));
+
+        // copy shadow on basemap
+        if ($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));
+    }
+}

src/ElementPrinter/Polyline/PolylinePrinter.php

@@ -0,0 +1,67 @@
+<?php
+
+namespace StaticMapLite\ElementPrinter\Polyline;
+
+use StaticMapLite\Canvas\Canvas;
+use StaticMapLite\Element\Polyline\Polyline;
+use StaticMapLite\Util;
+
+class PolylinePrinter
+{
+    /** @var Polyline $polyline */
+    protected $polyline = null;
+
+    protected $tileSize = 256;
+
+    public function __construct()
+    {
+
+    }
+
+    public function setPolyline(Polyline $polyline): PolylinePrinter
+    {
+        $this->polyline = $polyline;
+
+        return $this;
+    }
+
+    public function paint(Canvas $canvas): PolylinePrinter
+    {
+        $polylineList = \Polyline::decode($this->polyline->getPolyline());
+
+        $sourceLatitude = null;
+        $sourceLongitude = null;
+        $destinationLatitude = null;
+        $destinationLongitude = null;
+
+        $color = imagecolorallocate($canvas->getImage(), $this->polyline->getColorRed(), $this->polyline->getColorGreen(), $this->polyline->getColorBlue());
+        imagesetthickness($canvas->getImage(), 5);
+        //imageantialias($this->image, true);
+
+        while (!empty($polylineList)) {
+            if (!$sourceLatitude) {
+                $sourceLatitude = array_shift($polylineList);
+            }
+
+            if (!$sourceLongitude) {
+                $sourceLongitude = array_shift($polylineList);
+            }
+
+            $sourceX = floor(($canvas->getWidth() / 2) - $this->tileSize * ($canvas->getCenterX() - Util::lonToTile($sourceLongitude, $canvas->getZoom())));
+            $sourceY = floor(($canvas->getHeight() / 2) - $this->tileSize * ($canvas->getCenterY() - Util::latToTile($sourceLatitude, $canvas->getZoom())));
+
+            $destinationLatitude = array_shift($polylineList);
+            $destinationLongitude = array_shift($polylineList);
+
+            $destinationX = floor(($canvas->getWidth() / 2) - $this->tileSize * ($canvas->getCenterX() - Util::lonToTile($destinationLongitude, $canvas->getZoom())));
+            $destinationY = floor(($canvas->getHeight() / 2) - $this->tileSize * ($canvas->getCenterY() - Util::latToTile($destinationLatitude, $canvas->getZoom())));
+
+            imageline($canvas->getImage() , $sourceX, $sourceY , $destinationX, $destinationY, $color);
+
+            $sourceLatitude = $destinationLatitude;
+            $sourceLongitude = $destinationLongitude;
+        }
+
+        return $this;
+    }
+}

src/Printer.php

@@ -5,6 +5,7 @@ namespace StaticMapLite;
 use StaticMapLite\Canvas\Canvas;
 use StaticMapLite\Element\Marker\Marker;
 use StaticMapLite\Element\Polyline\Polyline;
+use StaticMapLite\ElementPrinter\Polyline\PolylinePrinter;
 use StaticMapLite\TileResolver\CachedTileResolver;
 
 class Printer
@@ -26,39 +27,9 @@ class Printer
     ];
 
     protected $tileDefaultSrc = 'mapnik';
-    protected $markerBaseDir = '../images/markers';
     protected $osmLogo = '../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',
-        ),
-        // http://svn.openstreetmap.org/sites/other/StaticMap/symbols/0.png
-        'ojw' => array('regex' => '/^bullseye$/',
-            'extension' => '.png',
-            'shadow' => false,
-            'offsetImage' => '-20,-20',
-            'offsetShadow' => false,
-        ),
-    );
 
 
     protected $useTileCache = true;
@@ -157,7 +128,13 @@ class Printer
 
     public function createBaseMap()
     {
-        $this->canvas = new Canvas($this->width, $this->height);
+        $this->canvas = new Canvas(
+            $this->width,
+            $this->height,
+            $this->zoom,
+            $this->centerX,
+            $this->centerY
+        );
 
         $startX = floor($this->centerX - ($this->width / $this->tileSize) / 2);
         $startY = floor($this->centerY - ($this->height / $this->tileSize) / 2);
@@ -192,101 +169,21 @@ class Printer
     public function placeMarkers()
     {
         foreach ($this->markers as $marker) {
-            $markerFilename = '';
-            $markerShadow = '';
-            $matches = false;
 
-            // check for marker type, get settings from markerPrototypes
-            if ($marker->getMarkerType()) {
-                foreach ($this->markerPrototypes as $markerPrototype) {
-                    if (preg_match($markerPrototype['regex'], $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
-            $destX = floor(($this->width / 2) - $this->tileSize * ($this->centerX - Util::lonToTile($marker->getLongitude(), $this->zoom)));
-            $destY = floor(($this->height / 2) - $this->tileSize * ($this->centerY - Util::latToTile($marker->getLatitude(), $this->zoom)));
-
-            // copy shadow on basemap
-            if ($markerShadow && $markerShadowImg) {
-                imagecopy($this->canvas->getImage(), $markerShadowImg, $destX + intval($markerShadowOffsetX), $destY + intval($markerShadowOffsetY),
-                    0, 0, imagesx($markerShadowImg), imagesy($markerShadowImg));
-            }
-
-            // copy marker on basemap above shadow
-            imagecopy($this->canvas->getImage(), $markerImg, $destX + intval($markerImageOffsetX), $destY + intval($markerImageOffsetY),
-                0, 0, imagesx($markerImg), imagesy($markerImg));
         };
     }
 
     public function placePolylines()
     {
+        $printer = new PolylinePrinter();
+
         /** @var Polyline $polyline */
         foreach ($this->polylines as $polyline) {
-            $polylineList = \Polyline::decode($polyline->getPolyline());
+            $printer
-
+                ->setPolyline($polyline)
-            $sourceLatitude = null;
+                ->paint($this->canvas)
-            $sourceLongitude = null;
+            ;
-            $destinationLatitude = null;
-            $destinationLongitude = null;
-
-            $color = imagecolorallocate($this->canvas->getImage(), $polyline->getColorRed(), $polyline->getColorGreen(), $polyline->getColorBlue());
-            imagesetthickness($this->image, 5);
-            //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 - Util::lonToTile($sourceLongitude, $this->zoom)));
-                $sourceY = floor(($this->height / 2) - $this->tileSize * ($this->centerY - Util::latToTile($sourceLatitude, $this->zoom)));
-
-                $destinationLatitude = array_shift($polylineList);
-                $destinationLongitude = array_shift($polylineList);
-
-                $destinationX = floor(($this->width / 2) - $this->tileSize * ($this->centerX - Util::lonToTile($destinationLongitude, $this->zoom)));
-                $destinationY = floor(($this->height / 2) - $this->tileSize * ($this->centerY - Util::latToTile($destinationLatitude, $this->zoom)));
-
-                imageline($this->canvas->getImage() , $sourceX, $sourceY , $destinationX, $destinationY, $color);
-
-                $sourceLatitude = $destinationLatitude;
-                $sourceLongitude = $destinationLongitude;
-            }
         }
     }