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Added wxMemoryDC::SelectObjectAsSource() and make SelectObject() unshare

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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
This commit is contained in:
Vadim Zeitlin
2006-10-30 19:41:46 +00:00
parent d2a93a2af3
commit fea35690f1
28 changed files with 185 additions and 148 deletions
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8
include/wx/os2/dcmemory.h
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@@ -14,18 +14,20 @@
#include "wx/dcclient.h"
class WXDLLEXPORT wxMemoryDC: public wxDC
class WXDLLEXPORT wxMemoryDC: public wxDC, public wxMemoryDCBase
{
public:
wxMemoryDC( const wxBitmap& bitmap = wxNullBitmap );
wxMemoryDC() { CreateCompatible(NULL); Init(); }
wxMemoryDC(wxBitmap& bitmap) { CreateCompatible(NULL); Init(); SelectObject(bitmap); }
wxMemoryDC(wxDC* pDC); // Create compatible DC
virtual void SelectObject(const wxBitmap& rBitmap);
protected:
// override some base class virtuals
virtual void DoGetSize( int* pWidth
,int* pHeight
) const;
virtual void DoSelect(const wxBitmap& bitmap);
// create DC compatible with the given one or screen if dc == NULL
bool CreateCompatible(wxDC* pDC);