--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/templates/status.svg	Wed Jun 15 20:53:22 2016 +0800
@@ -0,0 +1,25 @@
+<svg xmlns="http://www.w3.org/2000/svg" width="{{ width }}" height="{{ height }}">
+  <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="{{ width }}" height="{{ height }}" rx="3" fill="#fff"/>
+  </mask>
+  <g mask="url(#a)">
+    {% set accx = 0 %}
+    {% for c, w, x, t in parts %}
+      <path fill="{{ c }}" d="M{{ accx }} 0h{{ w }}v{{ height }}H{{ accx }}z"/>
+      {% set accx += w %}
+    {% end %}
+    <path fill="url(#b)" d="M0 0h{{ width }}v{{ height }}H0z"/>
+  </g>
+  <g fill="#fff" text-anchor="middle" font-family="DejaVu Sans,Verdana,Geneva,sans-serif" font-size="11">
+    {% set accx = 0 %}
+    {% for c, w, x, t in parts %}
+      <text x="{{ accx + x }}" y="15" fill="#010101" fill-opacity=".3">{{ t }}</text>
+      <text x="{{ accx + x }}" y="14">{{ t }}</text>
+      {% set accx += w %}
+    {% end %}
+  </g>
+</svg>

--- a/viewer.py	Wed Jun 15 20:50:33 2016 +0800
+++ b/viewer.py	Wed Jun 15 20:53:22 2016 +0800
@@ -69,12 +69,37 @@
         self.render('check.html', project=project, check=check, lines=lines)
 
 
+class StatusHandler(BaseHandler):
+    def get(self, domain, user, name):
+        project = Project.select().where(
+            Project.domain == domain,
+            Project.user == (user if user != '-' else None),
+            Project.name == name).get()
+        check = Check.get(project=project)
+        parts = [('#555', 30, 14.5, 'lint')]
+        if not check.success:
+            parts.append(('#777', 62, 30.5, 'unknown'))
+        elif check.errors or check.warnings:
+            if check.errors:
+                w = 7 + 6 * len(str(check.errors)) + 7
+                parts.append(('#da314b', w, w / 2 - 0.5, check.errors))
+            if check.warnings:
+                w = 7 + 6 * len(str(check.warnings)) + 7
+                parts.append(('#faa732', w, w / 2 - 0.5, check.warnings))
+        else:
+            parts.append(('#8cc14c', 40, 19.5, 'none'))
+        width = sum(p[1] for p in parts)
+        self.set_header('Content-Type', 'image/svg+xml; charset=utf-8')
+        self.render('status.svg', width=width, parts=parts, height=20)
+
+
 class CandolintViewer(Application):
     def __init__(self):
         handlers = [
             URLSpec(r'/', IndexHandler),
             URLSpec(r'/([.a-z0-9_-]+)/([^/]+)/([^/]+)', ProjectHandler),
             URLSpec(r'/([.a-z0-9_-]+)/([^/]+)/([^/]+)/([\d]+|latest)', CheckHandler),
+            URLSpec(r'/([.a-z0-9_-]+)/([^/]+)/([^/]+)/status\.svg', StatusHandler),
         ]
         settings = dict(
             static_path=rel('static'),