void DrawLabel(string label, float value, Rect r)
{
Vector2 size = Styles.labelStyle.CalcSize(new GUIContent(label));
size.x += 2;
Vector2 posA = m_CurveEditor.DrawingToViewTransformPoint(new Vector2(value / m_MaxDistance.floatValue, 0));
Vector2 posB = m_CurveEditor.DrawingToViewTransformPoint(new Vector2(value / m_MaxDistance.floatValue, 1));
GUI.BeginGroup(r);
Color temp = Handles.color;
Handles.color = new Color(1, 0, 0, 0.3f);
Handles.DrawLine(new Vector3(posA.x, posA.y, 0), new Vector3(posB.x, posB.y, 0));
Handles.DrawLine(new Vector3(posA.x + 1, posA.y, 0), new Vector3(posB.x + 1, posB.y, 0));
Handles.color = temp;
GUI.Label(new Rect(Mathf.Floor(posB.x - size.x / 2), 2, size.x, 15), label, Styles.labelStyle);
GUI.EndGroup();
}