From 6c8152f6b203e3199b66de27be027c301e7aa60e Mon Sep 17 00:00:00 2001
From: Xu Yuan <xu@informatik.hu-berlin.de>
Date: Sat, 1 Oct 2011 13:25:19 +0200
Subject: labels

---
 dev/pgf-pie-manual.tex |  4 ++++
 dev/pgf-pie.sty        | 12 ++++++++++--
 2 files changed, 14 insertions(+), 2 deletions(-)

diff --git a/dev/pgf-pie-manual.tex b/dev/pgf-pie-manual.tex
index f851bce..3933cb4 100644
--- a/dev/pgf-pie-manual.tex
+++ b/dev/pgf-pie-manual.tex
@@ -99,6 +99,10 @@ center of chart can be set by \texttt{pos}, default is \texttt{\{0,0\}}.
 
 \demo{radius}
 
+\subsection{Label}
+
+\demo[0.6]{before-after-number}
+
 \subsection{Color}
 \demo[0.6]{color}
 
diff --git a/dev/pgf-pie.sty b/dev/pgf-pie.sty
index 717be85..a9347ad 100644
--- a/dev/pgf-pie.sty
+++ b/dev/pgf-pie.sty
@@ -61,6 +61,12 @@ chart by using PGF/Tikz package.]
 \def\setstyle#1\pgfeov{\def\style{#1}}
 \pgfkeyslet{/style/.@cmd}{\setstyle}
 
+\def\setbeforenumber#1\pgfeov{\def\beforenumber{#1}}
+\pgfkeyslet{/before number/.@cmd}{\setbeforenumber}
+
+\def\setafternumber#1\pgfeov{\def\afternumber{#1}}
+\pgfkeyslet{/after number/.@cmd}{\setafternumber}
+
 \newcommand{\pie}[2][]
 {
   \pgfkeys{
@@ -68,7 +74,9 @@ chart by using PGF/Tikz package.]
     color={blue!60, cyan!60, yellow!60, orange!60, red!60},
     radius=3,
     pos={0,0},
-    style={thick}
+    style={thick},
+    before number=,
+    after number=\%,
   }
   \pgfkeys{#1}
 
@@ -102,7 +110,7 @@ chart by using PGF/Tikz package.]
 
     \pgfpie@slice{\thepgfpie@angleBegin/100*360}
     {\thepgfpie@angleEnd/100*360}
-    {\p\%}
+    {\beforenumber \p \afternumber}
     {\t}
     {\e}
     {\thecolor}
-- 
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