/////////////////////////////////////////////////////////////////////////////
-// Name: dcmemory.cpp
+// Name: src/msw/dcmemory.cpp
// Purpose: wxMemoryDC class
// Author: Julian Smart
// Modified by:
// Created: 01/02/97
// RCS-ID: $Id$
-// Copyright: (c) Julian Smart and Markus Holzem
+// Copyright: (c) Julian Smart
// Licence: wxWindows licence
/////////////////////////////////////////////////////////////////////////////
// headers
// ----------------------------------------------------------------------------
-#ifdef __GNUG__
- #pragma implementation "dcmemory.h"
-#endif
-
// For compilers that support precompilation, includes "wx.h".
#include "wx/wxprec.h"
#pragma hdrstop
#endif
+#include "wx/dcmemory.h"
+#include "wx/msw/dcmemory.h"
+
#ifndef WX_PRECOMP
#include "wx/utils.h"
#include "wx/log.h"
#include "wx/msw/private.h"
-#include "wx/dcmemory.h"
-
// ----------------------------------------------------------------------------
-// wxWin macros
+// wxMemoryDCImpl
// ----------------------------------------------------------------------------
-IMPLEMENT_DYNAMIC_CLASS(wxMemoryDC, wxDC)
-
-// ============================================================================
-// implementation
-// ============================================================================
-
-// ----------------------------------------------------------------------------
-// wxMemoryDC
-// ----------------------------------------------------------------------------
+IMPLEMENT_ABSTRACT_CLASS(wxMemoryDCImpl, wxMSWDCImpl)
-wxMemoryDC::wxMemoryDC()
+wxMemoryDCImpl::wxMemoryDCImpl( wxMemoryDC *owner )
+ : wxMSWDCImpl( owner )
{
- CreateCompatible(NULL);
+ CreateCompatible(NULL);
+ Init();
+}
- Init();
+wxMemoryDCImpl::wxMemoryDCImpl( wxMemoryDC *owner, wxBitmap& bitmap )
+ : wxMSWDCImpl( owner )
+{
+ CreateCompatible(NULL);
+ Init();
+ DoSelect(bitmap);
}
-wxMemoryDC::wxMemoryDC(wxDC *dc)
+wxMemoryDCImpl::wxMemoryDCImpl( wxMemoryDC *owner, wxDC *dc )
+ : wxMSWDCImpl( owner )
{
wxCHECK_RET( dc, _T("NULL dc in wxMemoryDC ctor") );
- dc->BeginDrawing();
-
CreateCompatible(dc);
- dc->EndDrawing();
-
Init();
}
-void wxMemoryDC::Init()
+void wxMemoryDCImpl::Init()
{
if ( m_ok )
{
}
}
-bool wxMemoryDC::CreateCompatible(wxDC *dc)
+bool wxMemoryDCImpl::CreateCompatible(wxDC *dc)
{
- m_hDC = (WXHDC)::CreateCompatibleDC(dc ? GetHdcOf(*dc) : NULL);
+ wxDCImpl *impl = dc ? dc->GetImpl() : NULL ;
+ wxMSWDCImpl *msw_impl = wxDynamicCast( impl, wxMSWDCImpl );
+ if ( dc && !msw_impl)
+ {
+ m_ok = false;
+ return false;
+ }
+
+ m_hDC = (WXHDC)::CreateCompatibleDC(dc ? GetHdcOf(*msw_impl) : NULL);
// as we created the DC, we must delete it in the dtor
- m_bOwnsDC = TRUE;
+ m_bOwnsDC = true;
m_ok = m_hDC != 0;
return m_ok;
}
-void wxMemoryDC::SelectObject(const wxBitmap& bitmap)
+void wxMemoryDCImpl::DoSelect( const wxBitmap& bitmap )
{
// select old bitmap out of the device context
if ( m_oldBitmap )
}
// check for whether the bitmap is already selected into a device context
- wxCHECK_RET( !bitmap.GetSelectedInto() ||
- (bitmap.GetSelectedInto() == this),
- wxT("Bitmap is selected in another wxMemoryDC, delete the first wxMemoryDC or use SelectObject(NULL)") );
+ wxASSERT_MSG( !bitmap.GetSelectedInto() ||
+ (bitmap.GetSelectedInto() == GetOwner()),
+ wxT("Bitmap is selected in another wxMemoryDC, delete the first wxMemoryDC or use SelectObject(NULL)") );
m_selectedBitmap = bitmap;
WXHBITMAP hBmp = m_selectedBitmap.GetHBITMAP();
if ( !hBmp )
return;
- m_selectedBitmap.SetSelectedInto(this);
+ m_selectedBitmap.SetSelectedInto(GetOwner());
hBmp = (WXHBITMAP)::SelectObject(GetHdc(), (HBITMAP)hBmp);
if ( !hBmp )
}
}
-void wxMemoryDC::DoGetSize(int *width, int *height) const
+void wxMemoryDCImpl::DoGetSize(int *width, int *height) const
{
if ( m_selectedBitmap.Ok() )
{
#endif // wxUSE_MEMORY_DC_DRAW_RECTANGLE
-void wxMemoryDC::DoDrawRectangle(wxCoord x, wxCoord y, wxCoord width, wxCoord height)
+void wxMemoryDCImpl::DoDrawRectangle(wxCoord x, wxCoord y, wxCoord width, wxCoord height)
{
// Set this to 1 to work around an apparent video driver bug
// (visible with e.g. 70x70 rectangle on a memory DC; see Drawing sample)
else
#endif // wxUSE_MEMORY_DC_DRAW_RECTANGLE
{
- wxDC::DoDrawRectangle(x, y, width, height);
+ wxMSWDCImpl::DoDrawRectangle(x, y, width, height);
}
}
-