X-Git-Url: http://source.jalview.org/gitweb/?a=blobdiff_plain;f=src%2Fjalview%2Futil%2FFormat.java;h=712198547eb03dc64ec003455aa957410866310c;hb=cd06f45d5fedf6fcc87c0d77aa6c2b1fb6ea7a46;hp=89d5a5c0152d8f3ff84b9c298455ba930ca726b9;hpb=a45774ee31d9f35d4eff46d54d7deab719afb092;p=jalview.git

diff --git a/src/jalview/util/Format.java b/src/jalview/util/Format.java
index 89d5a5c..7121985 100755
--- a/src/jalview/util/Format.java
+++ b/src/jalview/util/Format.java
@@ -1,19 +1,22 @@
 /*
- * Jalview - A Sequence Alignment Editor and Viewer (Version 2.7)
- * Copyright (C) 2011 J Procter, AM Waterhouse, G Barton, M Clamp, S Searle
+ * Jalview - A Sequence Alignment Editor and Viewer ($$Version-Rel$$)
+ * Copyright (C) $$Year-Rel$$ The Jalview Authors
  * 
  * This file is part of Jalview.
  * 
  * Jalview is free software: you can redistribute it and/or
  * modify it under the terms of the GNU General Public License 
- * as published by the Free Software Foundation, either version 3 of the License, or (at your option) any later version.
- * 
+ * as published by the Free Software Foundation, either version 3
+ * of the License, or (at your option) any later version.
+ *  
  * Jalview is distributed in the hope that it will be useful, but 
  * WITHOUT ANY WARRANTY; without even the implied warranty 
  * of MERCHANTABILITY or FITNESS FOR A PARTICULAR 
  * PURPOSE.  See the GNU General Public License for more details.
  * 
- * You should have received a copy of the GNU General Public License along with Jalview.  If not, see <http://www.gnu.org/licenses/>.
+ * You should have received a copy of the GNU General Public License
+ * along with Jalview.  If not, see <http://www.gnu.org/licenses/>.
+ * The Jalview Authors are detailed in the 'AUTHORS' file.
  */
 /**
  * A class for formatting numbers that follows printf conventions.
@@ -51,6 +54,8 @@ public class Format
 
   private char fmt; // one of cdeEfgGiosxXos
 
+  private final String formatString;
+
   /**
    * Creates a new Format object.
    * 
@@ -59,6 +64,7 @@ public class Format
    */
   public Format(String s)
   {
+    formatString = s;
     width = 0;
     precision = -1;
     pre = "";
@@ -619,7 +625,7 @@ public class Format
   /**
    * Formats a character into a string (like sprintf in C)
    * 
-   * @param x
+   * @param debounceTrap
    *          the value to format
    * @return the formatted string
    */
@@ -638,7 +644,7 @@ public class Format
   /**
    * Formats a string into a larger string (like sprintf in C)
    * 
-   * @param x
+   * @param debounceTrap
    *          the value to format
    * @return the formatted string
    */
@@ -935,4 +941,35 @@ public class Format
 
     return f + p.substring(p.length() - 3, p.length());
   }
+
+  @Override
+  public String toString()
+  {
+    return formatString;
+  }
+
+  /**
+   * Bespoke method to format percentage float value to the specified number of
+   * decimal places. Avoids use of general-purpose format parsers as a
+   * processing hotspot.
+   * 
+   * @param sb
+   * @param value
+   * @param dp
+   */
+  public static void appendPercentage(StringBuilder sb, float value, int dp)
+  {
+    sb.append((int) value);
+    if (dp > 0)
+    {
+      sb.append(".");
+      while (dp > 0)
+      {
+        value = value - (int) value;
+        value *= 10;
+        sb.append((int) value);
+        dp--;
+      }
+    }
+  }
 }