From cc748aed97fecd2ec20b0f0ce19fd07ede81d279 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Jan=20M=C3=BCller?= <j.mueller@vr.rwth-aachen.de>
Date: Wed, 25 Jul 2018 15:24:32 +0200
Subject: [PATCH] change GetColor parameter to size_t

#470
---
 library/phx/resources/types/lookup_table.cpp | 2 +-
 library/phx/resources/types/lookup_table.hpp | 2 +-
 2 files changed, 2 insertions(+), 2 deletions(-)

diff --git a/library/phx/resources/types/lookup_table.cpp b/library/phx/resources/types/lookup_table.cpp
index 2d27c03f..7cf2b13b 100644
--- a/library/phx/resources/types/lookup_table.cpp
+++ b/library/phx/resources/types/lookup_table.cpp
@@ -40,7 +40,7 @@ void LookupTable::Generate(int num_colors) {
         transfer_function_.Interpolate(min_key_ + i * step));
   }
 }
-glm::vec4 LookupTable::GetColor(int index) const {
+glm::vec4 LookupTable::GetColor(std::size_t index) const {
   return lookup_table_.at(index);
 }
 
diff --git a/library/phx/resources/types/lookup_table.hpp b/library/phx/resources/types/lookup_table.hpp
index ac02752c..b3498ff9 100644
--- a/library/phx/resources/types/lookup_table.hpp
+++ b/library/phx/resources/types/lookup_table.hpp
@@ -45,7 +45,7 @@ class PHOENIX_EXPORT LookupTable {
   ~LookupTable() = default;
 
   std::size_t GetIndex(float key) const;
-  glm::vec4 GetColor(int index) const;
+  glm::vec4 GetColor(std::size_t index) const;
   std::size_t GetSize() const;
 
   std::unique_ptr<gl::texture_1d> GetTexture1D() const;
-- 
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