12f190b09c
git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@22472 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775
108 lines
2.8 KiB
C++
108 lines
2.8 KiB
C++
/////////////////////////////////////////////////////////////////////////////
|
|
// Name: wx/dcbuffer.h
|
|
// Purpose: wxBufferedDC class
|
|
// Author: Ron Lee <ron@debian.org>
|
|
// Modified by:
|
|
// Created: 16/03/02
|
|
// RCS-ID: $Id$
|
|
// Copyright: (c) Ron Lee
|
|
// Licence: wxWindows licence
|
|
/////////////////////////////////////////////////////////////////////////////
|
|
|
|
#ifndef _WX_DCBUFFER_H_
|
|
#define _WX_DCBUFFER_H_
|
|
|
|
#if defined(__GNUG__) && !defined(__APPLE__)
|
|
#pragma interface "dcbuffer.h"
|
|
#endif
|
|
|
|
#include "wx/dcmemory.h"
|
|
#include "wx/dcclient.h"
|
|
|
|
|
|
// ==============================================================
|
|
// Double buffering helper.
|
|
// --------------------------------------------------------------
|
|
|
|
class WXDLLIMPEXP_ADV wxBufferedDC : public wxMemoryDC
|
|
{
|
|
private:
|
|
|
|
// Without the existence of a wxNullDC, this must be
|
|
// a pointer, else it could probably be a reference.
|
|
|
|
wxDC *m_dc;
|
|
wxBitmap m_buffer;
|
|
|
|
public:
|
|
|
|
// Default ctor, must subsequently call Init for
|
|
// two stage construction.
|
|
|
|
wxBufferedDC()
|
|
: m_dc( 0 )
|
|
{}
|
|
|
|
// Construct a wxBufferedDC using a user supplied buffer.
|
|
|
|
wxBufferedDC( wxDC *dc, const wxBitmap &buffer );
|
|
|
|
// Construct a wxBufferedDC with an internal buffer of 'area'
|
|
// (where area is usually something like the size of the window
|
|
// being buffered)
|
|
|
|
wxBufferedDC( wxDC *dc, const wxSize &area );
|
|
|
|
// default copy ctor ok.
|
|
|
|
// The usually desired action in the dtor is to blit the buffer.
|
|
|
|
~wxBufferedDC();
|
|
|
|
// These reimplement the actions of the ctors for
|
|
// two stage creation, but are not used by the ctors
|
|
// themselves to save a few cpu cycles.
|
|
|
|
void Init( wxDC *dc, const wxBitmap &bitmap );
|
|
void Init( wxDC *dc, const wxSize &area );
|
|
|
|
// Blits the buffer to the dc, and detaches the dc from
|
|
// the buffer. Usually called in the dtor or by the dtor
|
|
// of derived classes if the BufferedDC must blit before
|
|
// the derived class (which may own the dc it's blitting
|
|
// to) is destroyed.
|
|
|
|
void UnMask();
|
|
|
|
DECLARE_NO_COPY_CLASS(wxBufferedDC)
|
|
};
|
|
|
|
|
|
// ==============================================================
|
|
// Double buffered PaintDC.
|
|
// --------------------------------------------------------------
|
|
|
|
// Creates a double buffered wxPaintDC, optionally allowing the
|
|
// user to specify their own buffer to use.
|
|
|
|
class WXDLLIMPEXP_ADV wxBufferedPaintDC : public wxBufferedDC
|
|
{
|
|
private:
|
|
|
|
wxPaintDC m_paintdc;
|
|
|
|
public:
|
|
|
|
wxBufferedPaintDC( wxWindow *window, const wxBitmap &buffer = wxNullBitmap );
|
|
|
|
// default copy ctor ok.
|
|
|
|
~wxBufferedPaintDC();
|
|
|
|
DECLARE_NO_COPY_CLASS(wxBufferedPaintDC)
|
|
};
|
|
|
|
|
|
#endif // _WX_DCBUFFER_H_
|
|
|