wxWidgets/include/wx/msw/dcclient.h
2003-03-17 10:34:04 +00:00

105 lines
2.5 KiB
C++

/////////////////////////////////////////////////////////////////////////////
// Name: dcclient.h
// Purpose: wxClientDC class
// Author: Julian Smart
// Modified by:
// Created: 01/02/97
// RCS-ID: $Id$
// Copyright: (c) Julian Smart
// Licence: wxWindows licence
/////////////////////////////////////////////////////////////////////////////
#ifndef _WX_DCCLIENT_H_
#define _WX_DCCLIENT_H_
// ----------------------------------------------------------------------------
// headers
// ----------------------------------------------------------------------------
#ifdef __GNUG__
#pragma interface "dcclient.h"
#endif
#include "wx/dc.h"
#include "wx/dynarray.h"
// ----------------------------------------------------------------------------
// array types
// ----------------------------------------------------------------------------
// this one if used by wxPaintDC only
struct WXDLLEXPORT wxPaintDCInfo;
WX_DECLARE_EXPORTED_OBJARRAY(wxPaintDCInfo, wxArrayDCInfo);
// ----------------------------------------------------------------------------
// DC classes
// ----------------------------------------------------------------------------
class WXDLLEXPORT wxWindowDC : public wxDC
{
public:
// default ctor
wxWindowDC();
// Create a DC corresponding to the whole window
wxWindowDC(wxWindow *win);
protected:
// intiialize the newly created DC
void InitDC();
// override some base class virtuals
virtual void DoGetSize(int *width, int *height) const;
private:
DECLARE_DYNAMIC_CLASS(wxWindowDC)
};
class WXDLLEXPORT wxClientDC : public wxWindowDC
{
public:
// default ctor
wxClientDC();
// Create a DC corresponding to the client area of the window
wxClientDC(wxWindow *win);
virtual ~wxClientDC();
protected:
void InitDC();
// override some base class virtuals
virtual void DoGetSize(int *width, int *height) const;
private:
DECLARE_DYNAMIC_CLASS(wxClientDC)
};
class WXDLLEXPORT wxPaintDC : public wxClientDC
{
public:
wxPaintDC();
// Create a DC corresponding for painting the window in OnPaint()
wxPaintDC(wxWindow *win);
virtual ~wxPaintDC();
// find the entry for this DC in the cache (keyed by the window)
static WXHDC FindDCInCache(wxWindow* win);
protected:
static wxArrayDCInfo ms_cache;
// find the entry for this DC in the cache (keyed by the window)
wxPaintDCInfo *FindInCache(size_t *index = NULL) const;
private:
DECLARE_DYNAMIC_CLASS(wxPaintDC)
};
#endif
// _WX_DCCLIENT_H_