1 files changed, 49 insertions, 0 deletions
diff --git a/library/Graphite/Web/Widget/InlineGraphImage.php b/library/Graphite/Web/Widget/InlineGraphImage.php
new file mode 100644
index 0000000..881384d
--- /dev/null
+++ b/library/Graphite/Web/Widget/InlineGraphImage.php
@@ -0,0 +1,49 @@
+<?php
+
+namespace Icinga\Module\Graphite\Web\Widget;
+
+use Icinga\Module\Graphite\Graphing\Chart;
+use Icinga\Web\Widget\AbstractWidget;
+
+class InlineGraphImage extends AbstractWidget
+{
+    /**
+     * The image to be rendered
+     *
+     * @var GraphImage
+     */
+    protected $image;
+
+    /**
+     * The rendered <img>
+     *
+     * @var string|null
+     */
+    protected $rendered;
+
+    /**
+     * Constructor
+     *
+     * @param   Chart   $chart  The chart to be rendered
+     */
+    public function __construct(Chart $chart)
+    {
+        $this->image = new GraphImage($chart);
+    }
+
+    /**
+     * Render the graph lazily
+     *
+     * @return string
+     */
+    public function render()
+    {
+        if ($this->rendered === null) {
+            $this->rendered = '<img src="data:image/png;base64,'
+                . implode("\n", str_split(base64_encode($this->image->render()), 76))
+                . '">';
+        }
+
+        return $this->rendered;
+    }
+}