From 7a39599074287030f48dadaf28552fb10ba54441 Mon Sep 17 00:00:00 2001
From: Gael Ribes <ribesg@gmail.com>
Date: Fri, 11 Dec 2015 11:54:05 +0100
Subject: [PATCH] Add Int.withAlpha to Helpers

Returns `0x55FF0000` with `0xFF0000.withAlpha(0x55)`
---
 dsl/static/src/common/Helpers.kt | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/dsl/static/src/common/Helpers.kt b/dsl/static/src/common/Helpers.kt
index 9c1597ba..af75104f 100644
--- a/dsl/static/src/common/Helpers.kt
+++ b/dsl/static/src/common/Helpers.kt
@@ -32,6 +32,10 @@ val Int.gray: Int
 val Int.opaque: Int
     get() = this or 0xff000000.toInt()
 
+fun Int.withAlpha(alpha: Int) {
+    require(alpha >= 0 && alpha <= 0xFF)
+    return this and 0x00FFFFFF or (alpha shl 24)
+}
 
 enum class ScreenSize {
     SMALL,
@@ -123,4 +127,4 @@ inline fun <T: Any> Fragment.configuration(
                 fromSdk, sdk, uiMode, nightMode, rightToLeft, smallestWidth)) init() else null
     }
     else null
-}
\ No newline at end of file
+}