Refactoring EDIT_POINTS, part 1: separated functions that operate on EDIT_POINTS and EDIT_LINES.

pcbnew/tools/edit_points.cpp

@@ -83,9 +83,15 @@ EDIT_POINT* EDIT_POINTS::Previous( const EDIT_POINT& aPoint )
         }
     }
 
+    return NULL;
+}
+
+
+EDIT_LINE* EDIT_POINTS::Previous( const EDIT_LINE& aLine )
+{
     for( unsigned int i = 0; i < m_lines.size(); ++i )
     {
-        if( m_lines[i] == aPoint )
+        if( m_lines[i] == aLine )
         {
             if( i == 0 )
                 return &m_lines[m_lines.size() - 1];
@@ -111,9 +117,15 @@ EDIT_POINT* EDIT_POINTS::Next( const EDIT_POINT& aPoint )
         }
     }
 
+    return NULL;
+}
+
+
+EDIT_LINE* EDIT_POINTS::Next( const EDIT_LINE& aLine )
+{
     for( unsigned int i = 0; i < m_lines.size(); ++i )
     {
-        if( m_lines[i] == aPoint )
+        if( m_lines[i] == aLine )
         {
             if( i == m_lines.size() - 1 )
                 return &m_lines[0];

pcbnew/tools/edit_points.h

@@ -73,7 +73,7 @@ public:
     }
 
     /**
-     * Function GetX()
+     * Function GetY()
      *
      * Returns Y coordinate of an EDIT_POINT.
      */
@@ -356,6 +356,8 @@ public:
      */
     EDIT_POINT* Previous( const EDIT_POINT& aPoint );
 
+    EDIT_LINE* Previous( const EDIT_LINE& aLine );
+
     /**
      * Function Next()
      *
@@ -367,16 +369,28 @@ public:
      */
     EDIT_POINT* Next( const EDIT_POINT& aPoint );
 
-    EDIT_POINT& operator[]( unsigned int aIndex )
+    EDIT_LINE* Next( const EDIT_LINE& aLine );
+
+    EDIT_POINT& Point( unsigned int aIndex )
     {
         return m_points[aIndex];
     }
 
-    const EDIT_POINT& operator[]( unsigned int aIndex ) const
+    const EDIT_POINT& Point( unsigned int aIndex ) const
     {
         return m_points[aIndex];
     }
 
+    EDIT_LINE& Line( unsigned int aIndex )
+    {
+        return m_lines[aIndex];
+    }
+
+    const EDIT_LINE& Line( unsigned int aIndex ) const
+    {
+        return m_lines[aIndex];
+    }
+
     /**
      * Function Size()
      *