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Removed the SaveBG hack. The real incompatibility is that the MemoryDC

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is not automatically cleared to the BG colour of the window when a
temporary bitmap is used.

Inlined the rest of the methods, there really is no reason for them not
to be.  (will remove dcbuffer.cpp as soon as I figure out the bakefiles)

Do device to logical transforms in UnMask.


git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@25859 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775
This commit is contained in:
Ron Lee
2004-02-19 06:23:01 +00:00
parent ee65839881
commit dbd22c6a0e
2 changed files with 45 additions and 115 deletions
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63
src/generic/dcbuffer.cpp
View File

@@ -9,66 +9,3 @@
// Licence: wxWindows licence
/////////////////////////////////////////////////////////////////////////////
#if defined(__GNUG__) && !defined(NO_GCC_PRAGMA)
#pragma implementation "dcbuffer.h"
#endif
#include "wx/wxprec.h"
#ifdef __BORLANDC__
#pragma hdrstop
#endif
#ifndef WX_PRECOMP
#include "wx/window.h"
#endif
#include "wx/dcbuffer.h"
// ----------------------------------------------------------------------------
// Double buffering helper.
// ----------------------------------------------------------------------------
wxBufferedDC::wxBufferedDC(wxDC *dc, const wxBitmap& buffer)
: m_dc( dc ),
m_buffer( buffer )
{
UseBuffer();
}
wxBufferedDC::wxBufferedDC(wxDC *dc, const wxSize& area, int flags)
: m_dc( dc ),
m_buffer( area.GetWidth(), area.GetHeight() )
{
UseBuffer();
SaveBg(area, flags);
}
void wxBufferedDC::Init( wxDC *dc, const wxBitmap &buffer )
{
wxASSERT_MSG( m_dc == 0 && m_buffer == wxNullBitmap,
_T("wxBufferedDC already initialised") );
m_dc = dc;
m_buffer = buffer;
UseBuffer();
}
void wxBufferedDC::Init(wxDC *dc, const wxSize& area, int flags)
{
Init(dc, wxBitmap(area.GetWidth(), area.GetHeight()));
SaveBg(area, flags);
}
void wxBufferedDC::UnMask()
{
wxASSERT_MSG( m_dc != 0,
_T("No underlying DC associated with wxBufferedDC (anymore)") );
m_dc->Blit( 0, 0, m_buffer.GetWidth(), m_buffer.GetHeight(), this, 0, 0 );
m_dc = NULL;
}