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wxBUFFER_DC_DEFAULT should be wxBUFFER_DC_OVERWRITE_BG, not PRESERVE

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git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@25654 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775
This commit is contained in:
Vadim Zeitlin
2004-02-08 18:54:04 +00:00
parent 461fb267e6
commit 74f4dabba9
1 changed files with 13 additions and 9 deletions
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22
include/wx/dcbuffer.h
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@@ -30,7 +30,7 @@ enum
// flags used by default // flags used by default
wxBUFFER_DC_DEFAULT = wxBUFFER_DC_PRESERVE_BG wxBUFFER_DC_DEFAULT = wxBUFFER_DC_OVERWRITE_BG
}; };
// ---------------------------------------------------------------------------- // ----------------------------------------------------------------------------
@@ -89,11 +89,15 @@ private:
} }
} }
// Without the existence of a wxNullDC, this must be // the underlying DC to which we copy everything drawn on this one in
// a pointer, else it could probably be a reference. // UnMask()
wxDC *m_dc; //
// NB: Without the existence of a wxNullDC, this must be a pointer, else it
// could probably be a reference.
wxDC *m_dc;
wxBitmap m_buffer; // the buffer (selected in this DC)
wxBitmap m_buffer;
DECLARE_NO_COPY_CLASS(wxBufferedDC) DECLARE_NO_COPY_CLASS(wxBufferedDC)
}; };
@@ -112,18 +116,18 @@ public:
wxBufferedPaintDC(wxWindow *window, int flags = wxBUFFER_DC_DEFAULT) wxBufferedPaintDC(wxWindow *window, int flags = wxBUFFER_DC_DEFAULT)
: m_paintdc(window) : m_paintdc(window)
{ {
Prepare(window);
Init(&m_paintdc, window->GetClientSize(), flags); Init(&m_paintdc, window->GetClientSize(), flags);
Prepare(window);
} }
// the bitmap must be valid here // the bitmap must be valid here
wxBufferedPaintDC(wxWindow *window, const wxBitmap& buffer) wxBufferedPaintDC(wxWindow *window, const wxBitmap& buffer)
: m_paintdc(window) : m_paintdc(window)
{ {
Prepare(window);
Init(&m_paintdc, buffer); Init(&m_paintdc, buffer);
Prepare(window);
} }
// default copy ctor ok. // default copy ctor ok.