Added percent unit support to previously missed attributes

Author: ssddanbrown

src/Svg/Document.php

@@ -101,6 +101,11 @@ public function getHeight()
         return $this->height;
     }
 
+    public function getDiagonal()
+    {
+        return sqrt(($this->width)**2 + ($this->height)**2) / sqrt(2);
+    }
+
     public function getDimensions() {
         $rootAttributes = null;
 

src/Svg/Tag/Circle.php

@@ -27,7 +27,8 @@ public function start($attributes)
             $this->cy = Style::convertSize($attributes['cy'], $height);
         }
         if (isset($attributes['r'])) {
-            $this->r = $attributes['r'];
+            $diagonal = $this->document->getDiagonal();
+            $this->r = Style::convertSize($attributes['r'], $diagonal);
         }
 
         $this->document->getSurface()->circle($this->cx, $this->cy, $this->r);

src/Svg/Tag/Ellipse.php

@@ -21,19 +21,20 @@ public function start($attributes)
     {
         parent::start($attributes);
 
+        $width = $this->document->getWidth();
+        $height = $this->document->getHeight();
+
         if (isset($attributes['cx'])) {
-            $width = $this->document->getWidth();
             $this->cx = Style::convertSize($attributes['cx'], $width);
         }
         if (isset($attributes['cy'])) {
-            $height = $this->document->getHeight();
             $this->cy = Style::convertSize($attributes['cy'], $height);
         }
         if (isset($attributes['rx'])) {
-            $this->rx = $attributes['rx'];
+            $this->rx = Style::convertSize($attributes['rx'], $width);
         }
         if (isset($attributes['ry'])) {
-            $this->ry = $attributes['ry'];
+            $this->ry = Style::convertSize($attributes['ry'], $height);
         }
 
         $this->document->getSurface()->ellipse($this->cx, $this->cy, $this->rx, $this->ry, 0, 0, 360, false);

src/Svg/Tag/Image.php

@@ -31,21 +31,21 @@ protected function before($attributes)
     public function start($attributes)
     {
         $height = $this->document->getHeight();
+        $width = $this->document->getWidth();
         $this->y = $height;
 
         if (isset($attributes['x'])) {
-            $width = $this->document->getWidth();
             $this->x = Style::convertSize($attributes['x'], $width);
         }
         if (isset($attributes['y'])) {
             $this->y = $height - Style::convertSize($attributes['y'], $height);
         }
 
         if (isset($attributes['width'])) {
-            $this->width = $attributes['width'];
+            $this->width = Style::convertSize($attributes['width'], $width);
         }
         if (isset($attributes['height'])) {
-            $this->height = $attributes['height'];
+            $this->height = Style::convertSize($attributes['height'], $height);
         }
 
         if (isset($attributes['xlink:href'])) {