STR #1381: added optional "precision" argument when writing floats or doubles to a Preferences file.

git-svn-id: file:///fltk/svn/fltk/branches/branch-1.1@5330 ea41ed52-d2ee-0310-a9c1-e6b18d33e121

1 files changed, 24 insertions, 0 deletions

diff --git a/src/Fl_Preferences.cxx b/src/Fl_Preferences.cxx
index dbcb79ca4..1478db154 100644
--- a/src/Fl_Preferences.cxx
+++ b/src/Fl_Preferences.cxx
@@ -247,6 +247,19 @@ char Fl_Preferences::set( const char *key, float value )
 {
   sprintf( nameBuffer, "%g", value );
   node->set( key, nameBuffer );
+  float v1 = atof(nameBuffer);
+  return 1;
+}
+
+
+/**
+ * set an entry (name/value pair)
+ */
+char Fl_Preferences::set( const char *key, float value, int precision )
+{
+  sprintf( nameBuffer, "%.*g", precision, value );
+  node->set( key, nameBuffer );
+  float v1 = atof(nameBuffer);
   return 1;
 }
 
@@ -273,6 +286,17 @@ char Fl_Preferences::set( const char *key, double value )
 }
 
 
+/**
+ * set an entry (name/value pair)
+ */
+char Fl_Preferences::set( const char *key, double value, int precision )
+{
+  sprintf( nameBuffer, "%*g", precision, value );
+  node->set( key, nameBuffer );
+  return 1;
+}
+
+
 // remove control sequences from a string
 static char *decodeText( const char *src )
 {