WIP 2025-01-16 ConstructionConsent Rimo Plan

lib/Mapbox/StaticImageApi.php

@@ -11,6 +11,7 @@ class Mapbox_StaticImageApi {
         $size_y = $params["size_y"];
         $style = $params["style"];
         $pin = $params["pin"];
+        $paths = $params["paths"];
 
         $pin_part = "";
 
@@ -23,12 +24,50 @@ class Mapbox_StaticImageApi {
             $pin_color = $pin["color"];
             $pin_icon = $pin["icon"];
 
-            $pin_part .= "/pin-$pin_size";
+            $pin_part .= "pin-$pin_size";
             if($pin_icon) $pin_part .= "-$pin_icon";
             $pin_part .= "+$pin_color($pin_gps_long,$pin_gps_lat)";
         }
 
-        $url .= "$pin_part/$gps_long,$gps_lat,$zoom/{$size_x}x{$size_y}?access_token=$access_token";
+        $path_parts = [];
+        if(is_array($paths) && count($paths)) {
+            $path_stroke_width = $paths["line_width"];
+            $path_stroke_color = $paths["line_color"];
+            $path_stroke_opacity = $paths["line_opacity"];
+            $path_fill_color = $paths["line_fill_color"];
+            $path_fill_opacity = $paths["line_fill_opacity"];
+
+            foreach($paths["coords"] as $path) {
+                if(!is_array($path)) {
+                    mfLoghandler::singleton()->debug("path not array: ".print_r($path, true));
+                    continue;
+                }
+
+                $path_enc_polyline = self::encodeCoordArrayToPolyline($path);
+                if(!$path_enc_polyline) continue;
+
+                $path_parts[] = "path-$path_stroke_width+$path_stroke_color-$path_stroke_opacity+$path_fill_color-$path_fill_opacity($path_enc_polyline)";
+            }
+        }
+
+        // build url
+        $url_opt_parts = [];
+        if($pin_part) $url_opt_parts[] = $pin_part;
+
+        if(count($path_parts)) {
+            foreach($path_parts as $path_part) {
+                $url_opt_parts[] = $path_part;
+            }
+        }
+
+        if(is_array($url_opt_parts)) {
+            $url .= "/".implode(",", $url_opt_parts);
+        }
+
+        $url .= "/auto/{$size_x}x{$size_y}?access_token=$access_token";
+
+        mfLoghandler::singleton()->debug($url);
+        //exit;
 
         $ctx_opts = [
             'http' => [
@@ -47,4 +86,43 @@ class Mapbox_StaticImageApi {
         return $response;
 
     }
+
+    public static function encodeCoordArrayToPolyline($coords, $precision = 5) {
+        //if(!is_array($coords)) return false;
+
+        $points = [];
+        array_walk_recursive(
+            $coords,
+            function ($current) use (&$points) {
+                $points[] = $current;
+            }
+        );
+
+        mfLoghandler::singleton()->debug(__METHOD__.": flattened path: ".print_r($points, true));
+
+        $encodedString = '';
+        $index = 0;
+        $previous = array(0,0);
+        foreach ( $points as $number ) {
+            $number = (float)($number);
+            $number = (int)round($number * pow(10, $precision));
+            $diff = $number - $previous[$index % 2];
+            $previous[$index % 2] = $number;
+            $number = $diff;
+            $index++;
+            $number = ($number < 0) ? ~($number << 1) : ($number << 1);
+            $chunk = '';
+            while ( $number >= 0x20 ) {
+                $chunk .= chr((0x20 | ($number & 0x1f)) + 63);
+                $number >>= 5;
+            }
+            $chunk .= chr($number + 63);
+            $encodedString .= $chunk;
+        }
+
+        mfLoghandler::singleton()->debug(__METHOD__.": encoded polyline: $encodedString");
+
+
+        return str_replace("?", "%3f", $encodedString);
+    }
 }