diff --git a/src/Image.php b/src/Image.php
index 517478a..2cb95a8 100644
--- a/src/Image.php
+++ b/src/Image.php
@@ -43,7 +43,7 @@ private function __construct($content, $format)
      */
     public function __toString()
     {
-        return $this->content;
+        return (string) $this->content;
     }
 
     /**
@@ -66,4 +66,5 @@ public function getFormat()
     {
         return $this->format;
     }
+
 }
diff --git a/src/Render/SvgFlatRender.php b/src/Render/SvgFlatRender.php
index 588fee3..cd031c7 100644
--- a/src/Render/SvgFlatRender.php
+++ b/src/Render/SvgFlatRender.php
@@ -24,7 +24,7 @@ class SvgFlatRender implements RenderInterface
 {
     const VENDOR_COLOR            = '#555';
     private $textSizeCalculator;
-
+/*
  private static $template  = <<<EOF
 <svg xmlns="http://www.w3.org/2000/svg" width="{{ totalWidth }}" height="20">
     <linearGradient id="b" x2="0" y2="100%">
@@ -48,6 +48,58 @@ class SvgFlatRender implements RenderInterface
 </svg>
 EOF;
 
+
+quasi ok
+ù    private static $template  = <<<EOF
+<svg xmlns="http://www.w3.org/2000/svg" width="{{ totalWidth }}" height="20">
+    <linearGradient id="smooth" x2="0" y2="100%">
+    <stop offset="0" stop-color="#bbb" stop-opacity=".1"/>
+    <stop offset="1" stop-opacity=".1"/>
+    </linearGradient>
+
+    <mask id="round">
+    <rect width="{{ totalWidth }}" height="20" rx="3" fill="{{ vendorColor }}"/>
+    </mask>
+
+    <g mask="url(#round)">
+    <rect width="{{ vendorWidth }}" height="20" fill="#fff"/>
+    <rect x="{{ vendorWidth }}" width="{{ valueWidth }}" height="20" fill="{{ valueColor }}"/>
+    <rect width="{{ totalWidth }}" height="20" fill="url(#smooth)"/>
+    </g>
+
+    <g fill="#fff" text-anchor="middle" font-family="DejaVu Sans,Verdana,Geneva,sans-serif" font-size="11">
+    <text x="{{ vendorStartPosition }}" y="15" fill="#010101" fill-opacity=".3">{{ vendor }}</text>
+        <text x="{{ vendorStartPosition }}" y="14">{{ vendor }}</text>
+        <text x="{{ valueStartPosition }}" y="15" fill="#010101" fill-opacity=".3">{{ value }}</text>
+        <text x="{{ valueStartPosition }}" y="14">{{ value }}</text>
+    </g>
+</svg>
+EOF;
+*/
+
+private static $template  = <<<EOF
+<svg xmlns="http://www.w3.org/2000/svg" width="{{ totalWidth }}" height="20">
+    <linearGradient id="b" x2="0" y2="100%">
+    <stop offset="0" stop-color="#bbb" stop-opacity=".1"/>
+    <stop offset="1" stop-opacity=".1"/>
+    </linearGradient>
+    <mask id="a">
+    <rect width="{{ totalWidth }}" height="20" rx="3" fill="#fff"/>
+    </mask>
+    <g mask="url(#a)">
+    <rect width="{{ vendorWidth }}" height="20" fill="#555"/>
+    <rect x="{{ vendorWidth }}" width="{{ valueWidth }}" height="20" fill="{{ valueColor }}"/>
+    <rect width="{{ totalWidth }}" height="20" fill="url(#b)"/>
+    </g>
+    <g fill="#fff" text-anchor="middle" font-family="DejaVu Sans,Verdana,Geneva,sans-serif" font-size="11">
+    <text x="{{ vendorStartPosition }}" y="15" fill="#010101" fill-opacity=".3">{{ vendor }}</text>
+    <text x="{{ vendorStartPosition }}" y="14">{{ vendor }}</text>
+    <text x="{{ valueStartPosition }}" y="15" fill="#010101" fill-opacity=".3">{{ value }}</text>
+    <text x="{{ valueStartPosition }}" y="14">{{ value }}</text>
+    </g>
+</svg>
+EOF;
+
     /**
      * Constructor.
      *
diff --git a/src/UI/Command.php b/src/UI/Command.php
index 8077797..be66dd6 100644
--- a/src/UI/Command.php
+++ b/src/UI/Command.php
@@ -96,14 +96,18 @@ protected function execute(InputInterface $input, OutputInterface $output)
 
     protected function flushImage(InputInterface $input, OutputInterface $output, $imageContent)
     {
-        $output->write($imageContent);
+        $output->write((string) $imageContent);
         $this->header = '';
     }
 
     protected function storeImage(InputInterface $input, OutputInterface $output, $path, $imageContent)
     {
         $this->printHeaderOnce($output);
-        $fp = fopen($path,"x"); // if file already exists warning is raised
+        try {
+            $fp = @fopen($path, "x");
+        } catch (\Exception $e) {
+            $fp = false;
+        }
 
         if (false == $fp) {
            throw new \Exception("Error on creating the file maybe file [$path] already exists?");
@@ -112,7 +116,7 @@ protected function storeImage(InputInterface $input, OutputInterface $output, $p
         if ($written <1 || $written != strlen($imageContent)) {
             throw new \Exception('Error on writing to file.');
         }
-        fclose($fp);
+        @fclose($fp);
 
         $output->write(sprintf('Image created at %s', $path));
     }