From 5148b67eacbdc7ff506c496441058907cc59bb1f Mon Sep 17 00:00:00 2001
From: Matt Brubeck <mbrubeck@limpet.net>
Date: Mon, 2 Jun 2014 09:42:08 -0700
Subject: [PATCH] Default to 1 dppx in headless mode

---
 src/components/main/compositing/compositor.rs | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/src/components/main/compositing/compositor.rs b/src/components/main/compositing/compositor.rs
index c7a820acc1c..c16e5a64001 100644
--- a/src/components/main/compositing/compositor.rs
+++ b/src/components/main/compositing/compositor.rs
@@ -127,8 +127,12 @@ impl IOCompositor {
 
         let hidpi_factor = match opts.device_pixels_per_px {
             Some(dppx) => dppx,
-            None => window.hidpi_factor(),
+            None => match opts.output_file {
+                Some(_) => 1.0,
+                None => window.hidpi_factor(),
+            }
         };
+
         root_layer.common.borrow_mut().set_transform(identity().scale(hidpi_factor, hidpi_factor, 1f32));
 
         IOCompositor {