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