no changes, just update the copyright in the header

[wxWidgets.git] / include / wx / dcbuffer.h

diff --git a/include/wx/dcbuffer.h b/include/wx/dcbuffer.h
index 0f4e896d9fe8aa4c3609ed11dabc7eb6e0afcfc3..991fdaad39e16493bd7ae7c47ac909ff6dbd0346 100644 (file)
--- a/include/wx/dcbuffer.h
+++ b/include/wx/dcbuffer.h
@@ -37,7 +37,11 @@
 // does not prepare the window DC
 #define wxBUFFER_CLIENT_AREA        0x02
 
-class WXDLLEXPORT wxBufferedDC : public wxMemoryDC
+// Set when not using specific buffer bitmap. Note that this
+// is private style and not returned by GetStyle.
+#define wxBUFFER_USES_SHARED_BUFFER 0x04
+
+class WXDLLIMPEXP_CORE wxBufferedDC : public wxMemoryDC
 {
 public:
     // Default ctor, must subsequently call Init for two stage construction.
@@ -98,25 +102,11 @@ public:
     // Usually called in the dtor or by the dtor of derived classes if the
     // BufferedDC must blit before the derived class (which may own the dc it's
     // blitting to) is destroyed.
-    void UnMask()
-    {
-        wxCHECK_RET( m_dc, _T("no underlying wxDC?") );
-        wxASSERT_MSG( m_buffer && m_buffer->IsOk(), _T("invalid backing store") );
-
-        wxCoord x = 0,
-                y = 0;
-
-        if ( m_style & wxBUFFER_CLIENT_AREA )
-            GetDeviceOrigin(&x, &y);
-
-        m_dc->Blit(0, 0, m_buffer->GetWidth(), m_buffer->GetHeight(),
-                   this, -x, -y );
-        m_dc = NULL;
-    }
+    void UnMask();
 
     // Set and get the style
     void SetStyle(int style) { m_style = style; }
-    int GetStyle() const { return m_style; }
+    int GetStyle() const { return m_style & ~wxBUFFER_USES_SHARED_BUFFER; }
 
 private:
     // common part of Init()s
@@ -149,7 +139,7 @@ private:
     int m_style;
 
     DECLARE_DYNAMIC_CLASS(wxBufferedDC)
-    DECLARE_NO_COPY_CLASS(wxBufferedDC)
+    wxDECLARE_NO_COPY_CLASS(wxBufferedDC);
 };
 
 
@@ -159,7 +149,7 @@ private:
 
 // Creates a double buffered wxPaintDC, optionally allowing the
 // user to specify their own buffer to use.
-class WXDLLEXPORT wxBufferedPaintDC : public wxBufferedDC
+class WXDLLIMPEXP_CORE wxBufferedPaintDC : public wxBufferedDC
 {
 public:
     // If no bitmap is supplied by the user, a temporary one will be created.
@@ -209,7 +199,7 @@ private:
     wxPaintDC m_paintdc;
 
     DECLARE_ABSTRACT_CLASS(wxBufferedPaintDC)
-    DECLARE_NO_COPY_CLASS(wxBufferedPaintDC)
+    wxDECLARE_NO_COPY_CLASS(wxBufferedPaintDC);
 };
 
 
@@ -229,7 +219,7 @@ private:
 
 #ifdef __WXDEBUG__
 
-class wxAutoBufferedPaintDC : public wxAutoBufferedPaintDCBase
+class WXDLLIMPEXP_CORE wxAutoBufferedPaintDC : public wxAutoBufferedPaintDCBase
 {
 public:
 
@@ -251,7 +241,7 @@ private:
                       wxT("and also, if needed, paint the background manually in the paint event handler."));
     }
 
-    DECLARE_NO_COPY_CLASS(wxAutoBufferedPaintDC)
+    wxDECLARE_NO_COPY_CLASS(wxAutoBufferedPaintDC);
 };
 
 #else // !__WXDEBUG__