From 9d0e5beaa7ac0e0e44feab7221797ac113c592f1 Mon Sep 17 00:00:00 2001
From: omar <omarcornut@gmail.com>
Date: Wed, 26 Jul 2017 14:35:50 +0800
Subject: [PATCH] GetColorU32(ImGuiCol): avoid using GImGui twice since some
 implementation make it a TLS-ish variable with non-trivial accessors.

---
 imgui.cpp | 8 +++++---
 1 file changed, 5 insertions(+), 3 deletions(-)

diff --git a/imgui.cpp b/imgui.cpp
index e8a7a7f5..cf5b3238 100644
--- a/imgui.cpp
+++ b/imgui.cpp
@@ -1241,15 +1241,17 @@ ImU32 ImGui::ColorConvertFloat4ToU32(const ImVec4& in)
 
 ImU32 ImGui::GetColorU32(ImGuiCol idx, float alpha_mul)  
 { 
-    ImVec4 c = GImGui->Style.Colors[idx]; 
-    c.w *= GImGui->Style.Alpha * alpha_mul; 
+    ImGuiStyle& style = GImGui->Style;
+    ImVec4 c = style.Colors[idx]; 
+    c.w *= style.Alpha * alpha_mul; 
     return ColorConvertFloat4ToU32(c); 
 }
 
 ImU32 ImGui::GetColorU32(const ImVec4& col)
 { 
+    ImGuiStyle& style = GImGui->Style;
     ImVec4 c = col; 
-    c.w *= GImGui->Style.Alpha; 
+    c.w *= style.Alpha; 
     return ColorConvertFloat4ToU32(c); 
 }