From c53b6af33e37be0f4732a7fbe8e7b9deed279b87 Mon Sep 17 00:00:00 2001
From: Johannes Wendel <j_wendel14@cs.uni-kl.de>
Date: Thu, 8 Nov 2018 18:25:10 +0100
Subject: [PATCH] changed display write method

---
 FlippR-Driver/src/output/Display.cpp | 19 ++++++++-----------
 1 file changed, 8 insertions(+), 11 deletions(-)

diff --git a/FlippR-Driver/src/output/Display.cpp b/FlippR-Driver/src/output/Display.cpp
index c834736..deb0484 100644
--- a/FlippR-Driver/src/output/Display.cpp
+++ b/FlippR-Driver/src/output/Display.cpp
@@ -31,10 +31,6 @@ template<int DigitCount>
 void Display<DigitCount>::write_score(int score)
 {
   auto score_string = std::to_string(score);
-  if (score_string.length() > DigitCount)
-  {
-    CLOG(DEBUG, OUTPUT_LOGGER) << "Score too long for display";
-  }
 
   auto score_c_string = this->fit_string(score_string).c_str();
 
@@ -44,15 +40,16 @@ void Display<DigitCount>::write_score(int score)
 template<int DigitCount>
 std::string Display<DigitCount>::fit_string(std::string& score_string)
 {
-    auto score_length = score_string.length();
-    for (int i = 0; i < DigitCount; i++)
-    {
-        score_string = " " + score_string;
-    }
-
-    score_length = score_string.length();
+  auto score_length = score_string.length();
 
+  if (score_length > DigitCount)
+  {
+    CLOG(DEBUG, OUTPUT_LOGGER) << "Score too long for display";
     return score_string.substr(score_length-DigitCount, score_length);
+  }
+
+  score_string.insert(0, DigitCount-score_length, ' ');
+  return score_string;
 }
 
 template<int DigitCount>