Add stand alone path capabilities

Signed-off-by: Justin Georgi <justin.georgi@gmail.com>

includes/AnnotationHandler.php

@@ -131,33 +131,6 @@ class AnnotationHandler extends CodeContentHandler {
         $useCompass = '';
         if (isset($metadata['view'])) {
             $viewLabels = self::getCompassLabels($metadata['view']['direction'], $metadata['view']['rostral']);
-            /*
-            $attrCompass = array(
-                'id' => "compass{$svgID}",
-                'viewBox' => '0 0 100 100',
-                'preserveAspectRatio' => 'xMinYMin meet',
-                'refX' => 'left',
-                'refY' => 'top',
-                'style' => "font-family:'TeX Gyre DejaVu Math';font-size:11.686px;letter-spacing:0px;line-height:125%;text-align:center;text-anchor:middle;word-spacing:0px;"
-            );
-            $compass = array(
-                Html::openElement('symbol',$attrCompass)
-            );
-            $attrCompBack = array(
-                'cx' => '50',
-                'cy' => '50',
-                'r' => '50',
-                'style' => 'fill-opacity:.35;fill:#ffffff;'
-            );
-            array_push($compass,Html::rawElement('circle',$attrCompBack));
-            $attrCompBkArrow = array(
-                'd' => 'M 50,81.3 41.4,58.6 18.7,50 41.4,41.4 50,18.7 58.6,41.4 81.3,50 58.6,58.6 Z',
-                'style' => 'fill:#ffffff;stroke-width:1.5025'
-            );
-            array_push($compass, Html::rawElement('path',$attrCompBkArrow));
-
-            array_push($compass,Html::closeElement('symbol'));
-            */
             $rotate = $metadata['view']['rotate'] ?? 0;
             $textRotate = $rotate * -1;
             $elCompass = <<<comp
@@ -191,8 +164,9 @@ class AnnotationHandler extends CodeContentHandler {
             $useCompass = Html::rawElement('use', $attrCompass);
         }
 
-        if (isset($metadata['annotation'])) {
         $annotations = [];
+        $svgDefs = '';
+        if (isset($metadata['annotation'])) {
             $maskCircles = [];
             $leadLines = [];
             foreach($metadata['annotation'] as $label => $annot) {
@@ -249,7 +223,26 @@ class AnnotationHandler extends CodeContentHandler {
             $svgDefs = Html::rawElement('defs',array(),$markMask);
         }
 
-        return Html::rawElement('svg', $attrSvg, $svgDefs. $elCompass . $elBaseImg . implode($annotations) . $useCompass );
+        $paths = [];
+        if (isset($metadata['path'])) {
+            array_push($paths, Html::openElement('g',array('transform' => "scale( {$fixScale} )")));
+            foreach($metadata['path'] as $drawPath) {
+                if (isset($drawPath['d'])) {
+                    $pathColor = $drawPath['color'] ?? '#ff0000';
+                    $pathPattern = $drawPath['pattern'] ?? '2 1';
+                    $attrPath = array(
+                        'd' => $drawPath['d'],
+                        'fill' => 'none',
+                        'stroke-dasharray' => $pathPattern,
+                        'style' => "fill-opacity:.35;stroke-linejoin:bevel;stroke-width:.4;stroke:{$pathColor}"
+                    );
+                    array_push($paths,Html::rawElement('path',$attrPath));
+                }
+            }
+            array_push($paths,Html::closeElement('g'));
+        }
+
+        return Html::rawElement('svg', $attrSvg, $svgDefs. $elCompass . $elBaseImg . implode($annotations). implode($paths) . $useCompass );
     }
 
 	public function validateSave( Content $content, ValidationParams $validationParams ) {