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[wxWidgets.git] / src / msw / brush.cpp

diff --git a/src/msw/brush.cpp b/src/msw/brush.cpp
index f9043c2e1d9ffee2d86d92815f09298f9391de27..3f31a36166b2f300b837cb5e4d8ce5c3f1af6cae 100644 (file)
--- a/src/msw/brush.cpp
+++ b/src/msw/brush.cpp
@@ -40,7 +40,14 @@ IMPLEMENT_DYNAMIC_CLASS(wxBrush, wxGDIObject)
 wxBrushRefData::wxBrushRefData(void)
 {
   m_style = wxSOLID;
-//  m_stipple = NULL ;
+  m_hBrush = 0;
+}
+
+wxBrushRefData::wxBrushRefData(const wxBrushRefData& data)
+{
+  m_style = data.m_style;
+  m_stipple = data.m_stipple;
+  m_colour = data.m_colour;
   m_hBrush = 0;
 }
 
@@ -186,77 +193,69 @@ bool wxBrush::FreeResource(bool force)
   else return FALSE;
 }
 
-/*
-bool wxBrush::UseResource(void)
+bool wxBrush::IsFree(void)
 {
-  IncrementResourceUsage();
-  return TRUE;
+  return (M_BRUSHDATA && (M_BRUSHDATA->m_hBrush == 0));
 }
 
-bool wxBrush::ReleaseResource(void)
+void wxBrush::Unshare()
 {
-  DecrementResourceUsage();
-  return TRUE;
+       // Don't change shared data
+       if (!m_refData)
+    {
+               m_refData = new wxBrushRefData();
+       }
+    else
+    {
+               wxBrushRefData* ref = new wxBrushRefData(*(wxBrushRefData*)m_refData);
+               UnRef();
+               m_refData = ref;
+       }
 }
-*/
 
-bool wxBrush::IsFree(void)
-{
-  return (M_BRUSHDATA && (M_BRUSHDATA->m_hBrush == 0));
-}
 
 void wxBrush::SetColour(const wxColour& col)
 {
-  if ( !M_BRUSHDATA )
-       m_refData = new wxBrushRefData;
+    Unshare();
 
-  M_BRUSHDATA->m_colour = col;
+    M_BRUSHDATA->m_colour = col;
 
-  if (FreeResource())
     RealizeResource();
 }
 
 void wxBrush::SetColour(const wxString& col)
 {
-  if ( !M_BRUSHDATA )
-       m_refData = new wxBrushRefData;
+    Unshare();
 
-  M_BRUSHDATA->m_colour = col;
+    M_BRUSHDATA->m_colour = col;
 
-  if (FreeResource())
     RealizeResource();
 }
 
 void wxBrush::SetColour(const unsigned char r, const unsigned char g, const unsigned char b)
 {
-  if ( !M_BRUSHDATA )
-       m_refData = new wxBrushRefData;
+    Unshare();
 
-  M_BRUSHDATA->m_colour.Set(r, g, b);
+    M_BRUSHDATA->m_colour.Set(r, g, b);
 
-  if (FreeResource())
     RealizeResource();
 }
 
 void wxBrush::SetStyle(int Style)
 {
-  if ( !M_BRUSHDATA )
-       m_refData = new wxBrushRefData;
+    Unshare();
 
-  M_BRUSHDATA->m_style = Style;
+    M_BRUSHDATA->m_style = Style;
 
-  if (FreeResource())
     RealizeResource();
 }
 
 void wxBrush::SetStipple(const wxBitmap& Stipple)
 {
-  if ( !M_BRUSHDATA )
-       m_refData = new wxBrushRefData;
+    Unshare();
 
-  M_BRUSHDATA->m_stipple = Stipple;
+    M_BRUSHDATA->m_stipple = Stipple;
 
-  if (FreeResource())
     RealizeResource();
 }