1. added support for bitmaps with alpha channel

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

diff --git a/include/wx/dcbuffer.h b/include/wx/dcbuffer.h
index b29469ce2ac57b1067ec9c5c393c925ac6831b22..1b5d728020bb0c062c7034d91b6e5f92e97bfcdb 100644 (file)
--- a/include/wx/dcbuffer.h
+++ b/include/wx/dcbuffer.h
@@ -20,7 +20,7 @@
 // Double buffering helper.
 // ----------------------------------------------------------------------------
 
-class WXDLLIMPEXP_ADV wxBufferedDC : public wxMemoryDC
+class wxBufferedDC : public wxMemoryDC
 {
 public:
     // Default ctor, must subsequently call Init for two stage construction.
@@ -81,9 +81,9 @@ public:
         wxASSERT_MSG( m_dc != 0,
                       _T("No underlying DC associated with wxBufferedDC (anymore)") );
 
-        m_dc->Blit( m_dc->DeviceToLogicalX(0), m_dc->DeviceToLogicalY(0),
+        m_dc->Blit( 0, 0,
                     m_buffer.GetWidth(), m_buffer.GetHeight(), this,
-                    DeviceToLogicalX(0), DeviceToLogicalY(0) );
+                    0, 0 );
         m_dc = NULL;
     }
 
@@ -116,13 +116,15 @@ private:
 
 // Creates a double buffered wxPaintDC, optionally allowing the
 // user to specify their own buffer to use.
-class WXDLLIMPEXP_ADV wxBufferedPaintDC : public wxBufferedDC
+class wxBufferedPaintDC : public wxBufferedDC
 {
 public:
     // If no bitmap is supplied by the user, a temporary one wil; be created.
     wxBufferedPaintDC(wxWindow *window, const wxBitmap& buffer = wxNullBitmap)
         : m_paintdc(window)
     {
+        window->PrepareDC( m_paintdc );
+        
         if( buffer != wxNullBitmap )
             Init(&m_paintdc, buffer);
         else