Added wxMemoryDC::SelectObjectAsSource() and make SelectObject() unshare
the bitmap to ensure that no other bitmaps are modified; also remove some code duplication by introducing wxMemoryDCBase (patch 1580745) git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@42755 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775
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@@ -23,8 +23,7 @@
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IMPLEMENT_DYNAMIC_CLASS(wxMemoryDC,wxWindowDC)
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wxMemoryDC::wxMemoryDC( const wxBitmap& bitmap )
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: wxWindowDC()
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void wxMemoryDC::Init()
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{
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m_ok = false;
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@@ -32,27 +31,19 @@ wxMemoryDC::wxMemoryDC( const wxBitmap& bitmap )
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int screen = DefaultScreen( wxGlobalDisplay() );
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m_cmap = (WXColormap) DefaultColormap( wxGlobalDisplay(), screen );
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if ( bitmap.IsOk() )
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SelectObject(bitmap);
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}
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wxMemoryDC::wxMemoryDC( wxDC *WXUNUSED(dc) )
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: wxWindowDC()
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{
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m_ok = false;
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m_display = (WXDisplay *) wxGlobalDisplay();
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int screen = DefaultScreen( wxGlobalDisplay() );
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m_cmap = (WXColormap) DefaultColormap( wxGlobalDisplay(), screen );
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Init();
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}
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wxMemoryDC::~wxMemoryDC()
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{
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}
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void wxMemoryDC::SelectObject( const wxBitmap& bitmap )
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void wxMemoryDC::DoSelect( const wxBitmap& bitmap )
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{
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Destroy();
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