From 9545c2594ea4adab1223e61c75b1d3f5a2531c5f Mon Sep 17 00:00:00 2001
From: Petr Sloup <slouppetr@gmail.com>
Date: Fri, 14 Apr 2017 12:04:36 +0200
Subject: [PATCH] Handle `scale` in query-based static endpoint

---
 src/serve_rendered.js | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/src/serve_rendered.js b/src/serve_rendered.js
index a916ad1..0bab838 100644
--- a/src/serve_rendered.js
+++ b/src/serve_rendered.js
@@ -620,6 +620,11 @@ module.exports = function(options, repo, params, id, dataResolver) {
       req.params.maxy = bbox[3];
       req.params.width = req.query.width || '256';
       req.params.height = req.query.height || '256';
+      if (req.query.scale) {
+        req.params.width /= req.query.scale;
+        req.params.height /= req.query.scale;
+        req.params.scale = '@' + req.query.scale;
+      }
 
       return serveBounds(req, res, next);
     });