IS_HATCH macro replaced with wxBrush::IsHatch() + source and docs little cleaning.

git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@30819 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775

include/wx/cocoa/brush.h

@@ -6,7 +6,7 @@
 // Created:     2003/07/03
 // RCS-ID:      $Id$
 // Copyright:   (c) 2003 David Elliott
-// Licence:   	wxWindows licence
+// Licence:     wxWindows licence
 /////////////////////////////////////////////////////////////////////////////
 
 #ifndef __WX_COCOA_BRUSH_H__
@@ -59,6 +59,9 @@ public:
     int GetStyle() const;
     wxBitmap *GetStipple() const;
 
+    bool IsHatch() const
+        { return (GetStyle()>=wxBDIAGONAL_HATCH) && (GetStyle()<=wxVERTICAL_HATCH); }
+
     virtual bool Ok() const
     {   return (m_refData != NULL); }