check that the version of __sync_sub_and_fetch that returns a value is supported...

[wxWidgets.git] / src / mac / carbon / pen.cpp

diff --git a/src/mac/carbon/pen.cpp b/src/mac/carbon/pen.cpp
index 9812f009aa85d2d7836cdff60ecef09e2471fd71..7f0acfebe5349bf668a4bd69535537e51519fc6c 100644 (file)
--- a/src/mac/carbon/pen.cpp
+++ b/src/mac/carbon/pen.cpp
@@ -86,19 +86,24 @@ wxPen::wxPen(const wxBitmap& stipple, int Width)
     RealizeResource();
 }
 
-wxObjectRefData* wxPen::CreateRefData() const
+void wxPen::Unshare()
 {
-    return new wxPenRefData;
-}
-
-wxObjectRefData* wxPen::CloneRefData(const wxObjectRefData* data) const
-{
-    return new wxPenRefData(*wx_static_cast(const wxPenRefData*, data));
+    // Don't change shared data
+    if (!m_refData)
+    {
+        m_refData = new wxPenRefData();
+    }
+    else
+    {
+        wxPenRefData* ref = new wxPenRefData(*(wxPenRefData*)m_refData);
+        UnRef();
+        m_refData = ref;
+    }
 }
 
 void wxPen::SetColour(const wxColour& col)
 {
-    AllocExclusive();
+    Unshare();
 
     M_PENDATA->m_colour = col;
 
@@ -107,7 +112,7 @@ void wxPen::SetColour(const wxColour& col)
 
 void wxPen::SetColour(unsigned char r, unsigned char g, unsigned char b)
 {
-    AllocExclusive();
+    Unshare();
 
     M_PENDATA->m_colour.Set(r, g, b);
 
@@ -116,7 +121,7 @@ void wxPen::SetColour(unsigned char r, unsigned char g, unsigned char b)
 
 void wxPen::SetWidth(int Width)
 {
-    AllocExclusive();
+    Unshare();
 
     M_PENDATA->m_width = Width;
 
@@ -125,7 +130,7 @@ void wxPen::SetWidth(int Width)
 
 void wxPen::SetStyle(int Style)
 {
-    AllocExclusive();
+    Unshare();
 
     M_PENDATA->m_style = Style;
 
@@ -134,7 +139,7 @@ void wxPen::SetStyle(int Style)
 
 void wxPen::SetStipple(const wxBitmap& Stipple)
 {
-    AllocExclusive();
+    Unshare();
 
     M_PENDATA->m_stipple = Stipple;
     M_PENDATA->m_style = wxSTIPPLE;
@@ -144,7 +149,7 @@ void wxPen::SetStipple(const wxBitmap& Stipple)
 
 void wxPen::SetDashes(int nb_dashes, const wxDash *Dash)
 {
-    AllocExclusive();
+    Unshare();
 
     M_PENDATA->m_nbDash = nb_dashes;
     M_PENDATA->m_dash = (wxDash *)Dash;
@@ -154,7 +159,7 @@ void wxPen::SetDashes(int nb_dashes, const wxDash *Dash)
 
 void wxPen::SetJoin(int Join)
 {
-    AllocExclusive();
+    Unshare();
 
     M_PENDATA->m_join = Join;
 
@@ -163,7 +168,7 @@ void wxPen::SetJoin(int Join)
 
 void wxPen::SetCap(int Cap)
 {
-    AllocExclusive();
+    Unshare();
 
     M_PENDATA->m_cap = Cap;