From 989ae1ebc5f0ef926cf9104c269cbe5be9021090 Mon Sep 17 00:00:00 2001
From: Hajime Hoshi <hajimehoshi@gmail.com>
Date: Sun, 19 Jun 2016 05:14:02 +0900
Subject: [PATCH] ui: Fix deviceScale for mobiles

---
 internal/ui/ui_android.go | 2 +-
 internal/ui/ui_ios.go     | 4 ++--
 internal/ui/ui_linux.go   | 1 +
 internal/ui/ui_mobile.go  | 2 +-
 4 files changed, 5 insertions(+), 4 deletions(-)

diff --git a/internal/ui/ui_android.go b/internal/ui/ui_android.go
index 565c9a7a7..6ce7dd827 100644
--- a/internal/ui/ui_android.go
+++ b/internal/ui/ui_android.go
@@ -14,6 +14,6 @@
 
 package ui
 
-func deviceScale() int {
+func deviceScale() float64 {
 	return 1
 }
diff --git a/internal/ui/ui_ios.go b/internal/ui/ui_ios.go
index 52a059e70..ac34ecc9d 100644
--- a/internal/ui/ui_ios.go
+++ b/internal/ui/ui_ios.go
@@ -26,6 +26,6 @@ package ui
 // }
 import "C"
 
-func deviceScale() int {
-	return int(C.devicePixelRatio())
+func deviceScale() float64 {
+	return float64(C.devicePixelRatio())
 }
diff --git a/internal/ui/ui_linux.go b/internal/ui/ui_linux.go
index 373d29289..ab602eb32 100644
--- a/internal/ui/ui_linux.go
+++ b/internal/ui/ui_linux.go
@@ -13,6 +13,7 @@
 // limitations under the License.
 
 // +build !js
+// +build !android
 
 package ui
 
diff --git a/internal/ui/ui_mobile.go b/internal/ui/ui_mobile.go
index 38dd2752b..f842456d5 100644
--- a/internal/ui/ui_mobile.go
+++ b/internal/ui/ui_mobile.go
@@ -145,7 +145,7 @@ func (u *userInterface) ScreenScale() int {
 }
 
 func (u *userInterface) actualScreenScale() int {
-	return u.scale * deviceScale()
+	return u.scale * int(deviceScale())
 }
 
 func UpdateTouches(touches []Touch) {