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/////////////////////////////////////////////////////////////////////////////
// Name: wx/msw/dcclient.h
// Purpose: wxClientDC class
// Author: Julian Smart
// Modified by:
// Created: 01/02/97
// Copyright: (c) Julian Smart
// Licence: wxWindows licence
/////////////////////////////////////////////////////////////////////////////
#ifndef _WX_DCCLIENT_H_
#define _WX_DCCLIENT_H_
// ----------------------------------------------------------------------------
// headers
// ----------------------------------------------------------------------------
#include "wx/dc.h"
#include "wx/msw/dc.h"
#include "wx/dcclient.h"
class wxPaintDCInfo;
// ----------------------------------------------------------------------------
// DC classes
// ----------------------------------------------------------------------------
class WXDLLIMPEXP_CORE wxWindowDCImpl : public wxMSWDCImpl
{
public:
// default ctor
wxWindowDCImpl( wxDC *owner );
// Create a DC corresponding to the whole window
wxWindowDCImpl( wxDC *owner, wxWindow *win );
virtual void DoGetSize(int *width, int *height) const;
protected:
// initialize the newly created DC
void InitDC();
DECLARE_CLASS(wxWindowDCImpl)
wxDECLARE_NO_COPY_CLASS(wxWindowDCImpl);
};
class WXDLLIMPEXP_CORE wxClientDCImpl : public wxWindowDCImpl
{
public:
// default ctor
wxClientDCImpl( wxDC *owner );
// Create a DC corresponding to the client area of the window
wxClientDCImpl( wxDC *owner, wxWindow *win );
virtual ~wxClientDCImpl();
virtual void DoGetSize(int *width, int *height) const;
protected:
void InitDC();
DECLARE_CLASS(wxClientDCImpl)
wxDECLARE_NO_COPY_CLASS(wxClientDCImpl);
};
class WXDLLIMPEXP_CORE wxPaintDCImpl : public wxClientDCImpl
{
public:
wxPaintDCImpl( wxDC *owner );
// Create a DC corresponding for painting the window in OnPaint()
wxPaintDCImpl( wxDC *owner, wxWindow *win );
virtual ~wxPaintDCImpl();
// find the entry for this DC in the cache (keyed by the window)
static WXHDC FindDCInCache(wxWindow* win);
// This must be called by the code handling WM_PAINT to remove the DC
// cached for this window for the duration of this message processing.
static void EndPaint(wxWindow *win);
protected:
// Find the DC for this window in the cache, return NULL if not found.
static wxPaintDCInfo *FindInCache(wxWindow* win);
DECLARE_CLASS(wxPaintDCImpl)
wxDECLARE_NO_COPY_CLASS(wxPaintDCImpl);
};
/*
* wxPaintDCEx
* This class is used when an application sends an HDC with the WM_PAINT
* message. It is used in HandlePaint and need not be used by an application.
*/
class WXDLLIMPEXP_CORE wxPaintDCEx : public wxPaintDC
{
public:
wxPaintDCEx(wxWindow *canvas, WXHDC dc);
DECLARE_CLASS(wxPaintDCEx)
wxDECLARE_NO_COPY_CLASS(wxPaintDCEx);
};
#endif
// _WX_DCCLIENT_H_
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