This is similar to the existing wxDCTextColourChanger ctor not changing colour and is useful in the same kind of situations: when the font may or not be changed. git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@62382 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775
		
			
				
	
	
		
			1414 lines
		
	
	
		
			49 KiB
		
	
	
	
		
			C++
		
	
	
	
	
	
			
		
		
	
	
			1414 lines
		
	
	
		
			49 KiB
		
	
	
	
		
			C++
		
	
	
	
	
	
/////////////////////////////////////////////////////////////////////////////
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// Name:        wx/dc.h
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// Purpose:     wxDC class
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// Author:      Vadim Zeitlin
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// Modified by:
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// Created:     05/25/99
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// RCS-ID:      $Id$
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// Copyright:   (c) wxWidgets team
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// Licence:     wxWindows licence
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/////////////////////////////////////////////////////////////////////////////
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#ifndef _WX_DC_H_BASE_
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#define _WX_DC_H_BASE_
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// ----------------------------------------------------------------------------
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// headers which we must include here
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// ----------------------------------------------------------------------------
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#include "wx/object.h"          // the base class
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#include "wx/intl.h"            // for wxLayoutDirection
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#include "wx/cursor.h"          // we have member variables of these classes
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#include "wx/font.h"            // so we can't do without them
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#include "wx/colour.h"
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#include "wx/bitmap.h"          // for wxNullBitmap
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#include "wx/brush.h"
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#include "wx/pen.h"
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#include "wx/palette.h"
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#include "wx/dynarray.h"
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#include "wx/math.h"
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#include "wx/image.h"
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#include "wx/cmndata.h"
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#define wxUSE_NEW_DC 1
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class WXDLLIMPEXP_FWD_CORE wxDC;
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class WXDLLIMPEXP_FWD_CORE wxClientDC;
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class WXDLLIMPEXP_FWD_CORE wxPaintDC;
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class WXDLLIMPEXP_FWD_CORE wxWindowDC;
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class WXDLLIMPEXP_FWD_CORE wxScreenDC;
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class WXDLLIMPEXP_FWD_CORE wxMemoryDC;
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class WXDLLIMPEXP_FWD_CORE wxPrinterDC;
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class WXDLLIMPEXP_FWD_CORE wxPrintData;
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//  Logical ops
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enum wxRasterOperationMode
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{
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    wxCLEAR,       // 0
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    wxXOR,         // src XOR dst
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    wxINVERT,      // NOT dst
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    wxOR_REVERSE,  // src OR (NOT dst)
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    wxAND_REVERSE, // src AND (NOT dst)
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    wxCOPY,        // src
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    wxAND,         // src AND dst
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    wxAND_INVERT,  // (NOT src) AND dst
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    wxNO_OP,       // dst
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    wxNOR,         // (NOT src) AND (NOT dst)
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    wxEQUIV,       // (NOT src) XOR dst
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    wxSRC_INVERT,  // (NOT src)
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    wxOR_INVERT,   // (NOT src) OR dst
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    wxNAND,        // (NOT src) OR (NOT dst)
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    wxOR,          // src OR dst
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    wxSET          // 1
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#if WXWIN_COMPATIBILITY_2_8
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    ,wxROP_BLACK = wxCLEAR,
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    wxBLIT_BLACKNESS = wxCLEAR,
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    wxROP_XORPEN = wxXOR,
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    wxBLIT_SRCINVERT = wxXOR,
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    wxROP_NOT = wxINVERT,
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    wxBLIT_DSTINVERT = wxINVERT,
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    wxROP_MERGEPENNOT = wxOR_REVERSE,
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    wxBLIT_00DD0228 = wxOR_REVERSE,
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    wxROP_MASKPENNOT = wxAND_REVERSE,
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    wxBLIT_SRCERASE = wxAND_REVERSE,
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    wxROP_COPYPEN = wxCOPY,
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    wxBLIT_SRCCOPY = wxCOPY,
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    wxROP_MASKPEN = wxAND,
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    wxBLIT_SRCAND = wxAND,
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    wxROP_MASKNOTPEN = wxAND_INVERT,
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    wxBLIT_00220326 = wxAND_INVERT,
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    wxROP_NOP = wxNO_OP,
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    wxBLIT_00AA0029 = wxNO_OP,
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    wxROP_NOTMERGEPEN = wxNOR,
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    wxBLIT_NOTSRCERASE = wxNOR,
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    wxROP_NOTXORPEN = wxEQUIV,
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    wxBLIT_00990066 = wxEQUIV,
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    wxROP_NOTCOPYPEN = wxSRC_INVERT,
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    wxBLIT_NOTSCRCOPY = wxSRC_INVERT,
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    wxROP_MERGENOTPEN = wxOR_INVERT,
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    wxBLIT_MERGEPAINT = wxOR_INVERT,
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    wxROP_NOTMASKPEN = wxNAND,
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    wxBLIT_007700E6 = wxNAND,
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    wxROP_MERGEPEN = wxOR,
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    wxBLIT_SRCPAINT = wxOR,
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    wxROP_WHITE = wxSET,
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    wxBLIT_WHITENESS = wxSET
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#endif //WXWIN_COMPATIBILITY_2_8
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};
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//  Flood styles
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enum wxFloodFillStyle
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{
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    wxFLOOD_SURFACE = 1,
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    wxFLOOD_BORDER
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};
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//  Mapping modes
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enum wxMappingMode
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{
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    wxMM_TEXT = 1,
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    wxMM_METRIC,
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    wxMM_LOMETRIC,
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    wxMM_TWIPS,
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    wxMM_POINTS
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};
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#if WXWIN_COMPATIBILITY_2_8
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//-----------------------------------------------------------------------------
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// wxDrawObject helper class
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//-----------------------------------------------------------------------------
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class WXDLLIMPEXP_CORE wxDrawObject
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{
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public:
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    wxDEPRECATED_CONSTRUCTOR(wxDrawObject)()
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        : m_isBBoxValid(false)
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        , m_minX(0), m_minY(0), m_maxX(0), m_maxY(0)
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    { }
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    virtual ~wxDrawObject() { }
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    virtual void Draw(wxDC&) const { }
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    virtual void CalcBoundingBox(wxCoord x, wxCoord y)
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    {
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      if ( m_isBBoxValid )
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      {
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         if ( x < m_minX ) m_minX = x;
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         if ( y < m_minY ) m_minY = y;
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         if ( x > m_maxX ) m_maxX = x;
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         if ( y > m_maxY ) m_maxY = y;
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      }
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      else
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      {
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         m_isBBoxValid = true;
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         m_minX = x;
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         m_minY = y;
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         m_maxX = x;
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         m_maxY = y;
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      }
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    }
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    void ResetBoundingBox()
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    {
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        m_isBBoxValid = false;
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        m_minX = m_maxX = m_minY = m_maxY = 0;
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    }
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    // Get the final bounding box of the PostScript or Metafile picture.
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    wxCoord MinX() const { return m_minX; }
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    wxCoord MaxX() const { return m_maxX; }
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    wxCoord MinY() const { return m_minY; }
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    wxCoord MaxY() const { return m_maxY; }
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    //to define the type of object for derived objects
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    virtual int GetType()=0;
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protected:
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    //for boundingbox calculation
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    bool m_isBBoxValid:1;
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    //for boundingbox calculation
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    wxCoord m_minX, m_minY, m_maxX, m_maxY;
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};
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#endif // WXWIN_COMPATIBILITY_2_8
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//-----------------------------------------------------------------------------
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// wxDCFactory
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//-----------------------------------------------------------------------------
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class WXDLLIMPEXP_FWD_CORE wxDCImpl;
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class WXDLLIMPEXP_CORE wxDCFactory
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{
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public:
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    wxDCFactory() {}
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    virtual ~wxDCFactory() {}
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    virtual wxDCImpl* CreateWindowDC( wxWindowDC *owner, wxWindow *window ) = 0;
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    virtual wxDCImpl* CreateClientDC( wxClientDC *owner, wxWindow *window ) = 0;
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    virtual wxDCImpl* CreatePaintDC( wxPaintDC *owner, wxWindow *window ) = 0;
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    virtual wxDCImpl* CreateMemoryDC( wxMemoryDC *owner ) = 0;
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    virtual wxDCImpl* CreateMemoryDC( wxMemoryDC *owner, wxBitmap &bitmap ) = 0;
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    virtual wxDCImpl* CreateMemoryDC( wxMemoryDC *owner, wxDC *dc ) = 0;
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    virtual wxDCImpl* CreateScreenDC( wxScreenDC *owner ) = 0;
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#if wxUSE_PRINTING_ARCHITECTURE
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    virtual wxDCImpl* CreatePrinterDC( wxPrinterDC *owner, const wxPrintData &data  ) = 0;
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#endif
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    static void Set(wxDCFactory *factory);
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    static wxDCFactory *Get();
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private:
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    static wxDCFactory *m_factory;
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};
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//-----------------------------------------------------------------------------
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// wxNativeDCFactory
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//-----------------------------------------------------------------------------
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class WXDLLIMPEXP_CORE wxNativeDCFactory: public wxDCFactory
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{
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public:
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    wxNativeDCFactory() {}
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    virtual wxDCImpl* CreateWindowDC( wxWindowDC *owner, wxWindow *window );
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    virtual wxDCImpl* CreateClientDC( wxClientDC *owner, wxWindow *window );
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    virtual wxDCImpl* CreatePaintDC( wxPaintDC *owner, wxWindow *window );
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    virtual wxDCImpl* CreateMemoryDC( wxMemoryDC *owner );
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    virtual wxDCImpl* CreateMemoryDC( wxMemoryDC *owner, wxBitmap &bitmap );
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    virtual wxDCImpl* CreateMemoryDC( wxMemoryDC *owner, wxDC *dc );
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    virtual wxDCImpl* CreateScreenDC( wxScreenDC *owner );
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#if wxUSE_PRINTING_ARCHITECTURE
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    virtual wxDCImpl* CreatePrinterDC( wxPrinterDC *owner, const wxPrintData &data  );
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#endif
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};
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//-----------------------------------------------------------------------------
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// wxDCImpl
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//-----------------------------------------------------------------------------
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class WXDLLIMPEXP_CORE wxDCImpl: public wxObject
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{
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public:
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    wxDCImpl( wxDC *owner );
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    virtual ~wxDCImpl();
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    wxDC *GetOwner() const { return m_owner; }
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    wxWindow* GetWindow() const { return m_window; }
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    virtual bool IsOk() const { return m_ok; }
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    // query capabilities
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    virtual bool CanDrawBitmap() const = 0;
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    virtual bool CanGetTextExtent() const = 0;
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    // get Cairo context
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    virtual void* GetCairoContext() const
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    {
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        return NULL;
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    }
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    // query dimension, colour deps, resolution
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    virtual void DoGetSize(int *width, int *height) const = 0;
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    void GetSize(int *width, int *height) const
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    {
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        DoGetSize(width, height);
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        return ;
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    }
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    wxSize GetSize() const
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    {
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        int w, h;
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        DoGetSize(&w, &h);
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        return wxSize(w, h);
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    }
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    virtual void DoGetSizeMM(int* width, int* height) const = 0;
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    virtual int GetDepth() const = 0;
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    virtual wxSize GetPPI() const = 0;
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    // Right-To-Left (RTL) modes
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    virtual void SetLayoutDirection(wxLayoutDirection WXUNUSED(dir)) { }
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    virtual wxLayoutDirection GetLayoutDirection() const  { return wxLayout_Default; }
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    // page and document
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    virtual bool StartDoc(const wxString& WXUNUSED(message)) { return true; }
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    virtual void EndDoc() { }
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    virtual void StartPage() { }
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    virtual void EndPage() { }
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    // flushing the content of this dc immediately eg onto screen
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    virtual void Flush() { }
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    // bounding box
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    virtual void CalcBoundingBox(wxCoord x, wxCoord y)
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    {
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      if ( m_isBBoxValid )
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      {
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         if ( x < m_minX ) m_minX = x;
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         if ( y < m_minY ) m_minY = y;
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         if ( x > m_maxX ) m_maxX = x;
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         if ( y > m_maxY ) m_maxY = y;
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      }
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      else
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      {
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         m_isBBoxValid = true;
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         m_minX = x;
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         m_minY = y;
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         m_maxX = x;
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         m_maxY = y;
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      }
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    }
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    void ResetBoundingBox()
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    {
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        m_isBBoxValid = false;
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        m_minX = m_maxX = m_minY = m_maxY = 0;
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    }
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    wxCoord MinX() const { return m_minX; }
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    wxCoord MaxX() const { return m_maxX; }
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    wxCoord MinY() const { return m_minY; }
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    wxCoord MaxY() const { return m_maxY; }
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    // setters and getters
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    virtual void SetFont(const wxFont& font) = 0;
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    virtual const wxFont& GetFont() const { return m_font; }
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    virtual void SetPen(const wxPen& pen) = 0;
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    virtual const wxPen& GetPen() const { return m_pen; }
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    virtual void SetBrush(const wxBrush& brush) = 0;
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    virtual const wxBrush& GetBrush() const { return m_brush; }
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    virtual void SetBackground(const wxBrush& brush) = 0;
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    virtual const wxBrush& GetBackground() const { return m_backgroundBrush; }
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    virtual void SetBackgroundMode(int mode) = 0;
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    virtual int GetBackgroundMode() const { return m_backgroundMode; }
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    virtual void SetTextForeground(const wxColour& colour)
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        { m_textForegroundColour = colour; }
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    virtual const wxColour& GetTextForeground() const
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        { return m_textForegroundColour; }
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    virtual void SetTextBackground(const wxColour& colour)
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        { m_textBackgroundColour = colour; }
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    virtual const wxColour& GetTextBackground() const
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        { return m_textBackgroundColour; }
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#if wxUSE_PALETTE
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    virtual void SetPalette(const wxPalette& palette) = 0;
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#endif // wxUSE_PALETTE
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    // inherit the DC attributes (font and colours) from the given window
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    //
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    // this is called automatically when a window, client or paint DC is
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    // created
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    virtual void InheritAttributes(wxWindow *win);
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    // logical functions
 | 
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    virtual void SetLogicalFunction(wxRasterOperationMode function) = 0;
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    virtual wxRasterOperationMode GetLogicalFunction() const
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                                      { return m_logicalFunction; }
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						|
    // text measurement
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    virtual wxCoord GetCharHeight() const = 0;
 | 
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    virtual wxCoord GetCharWidth() const = 0;
 | 
						|
    virtual void DoGetTextExtent(const wxString& string,
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                                 wxCoord *x, wxCoord *y,
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                                 wxCoord *descent = NULL,
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						|
                                 wxCoord *externalLeading = NULL,
 | 
						|
                                 const wxFont *theFont = NULL) const = 0;
 | 
						|
    virtual void GetMultiLineTextExtent(const wxString& string,
 | 
						|
                                        wxCoord *width,
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						|
                                        wxCoord *height,
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						|
                                        wxCoord *heightLine = NULL,
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                                        const wxFont *font = NULL) const;
 | 
						|
    virtual bool DoGetPartialTextExtents(const wxString& text, wxArrayInt& widths) const;
 | 
						|
 | 
						|
    // clearing
 | 
						|
 | 
						|
    virtual void Clear() = 0;
 | 
						|
 | 
						|
    // clipping
 | 
						|
 | 
						|
    virtual void DoSetClippingRegion(wxCoord x, wxCoord y,
 | 
						|
                                     wxCoord width, wxCoord height) = 0;
 | 
						|
 | 
						|
    // NB: this function works with device coordinates, not the logical ones!
 | 
						|
    virtual void DoSetDeviceClippingRegion(const wxRegion& region) = 0;
 | 
						|
 | 
						|
    virtual void DoGetClippingBox(wxCoord *x, wxCoord *y,
 | 
						|
                                  wxCoord *w, wxCoord *h) const
 | 
						|
    {
 | 
						|
        if ( x )
 | 
						|
            *x = m_clipX1;
 | 
						|
        if ( y )
 | 
						|
            *y = m_clipY1;
 | 
						|
        if ( w )
 | 
						|
            *w = m_clipX2 - m_clipX1;
 | 
						|
        if ( h )
 | 
						|
            *h = m_clipY2 - m_clipY1;
 | 
						|
    }
 | 
						|
 | 
						|
    virtual void DestroyClippingRegion() { ResetClipping(); }
 | 
						|
 | 
						|
 | 
						|
    // coordinates conversions and transforms
 | 
						|
 | 
						|
    virtual wxCoord DeviceToLogicalX(wxCoord x) const;
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						|
    virtual wxCoord DeviceToLogicalY(wxCoord y) const;
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						|
    virtual wxCoord DeviceToLogicalXRel(wxCoord x) const;
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						|
    virtual wxCoord DeviceToLogicalYRel(wxCoord y) const;
 | 
						|
    virtual wxCoord LogicalToDeviceX(wxCoord x) const;
 | 
						|
    virtual wxCoord LogicalToDeviceY(wxCoord y) const;
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						|
    virtual wxCoord LogicalToDeviceXRel(wxCoord x) const;
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						|
    virtual wxCoord LogicalToDeviceYRel(wxCoord y) const;
 | 
						|
 | 
						|
    virtual void SetMapMode(wxMappingMode mode);
 | 
						|
    virtual wxMappingMode GetMapMode() const { return m_mappingMode; }
 | 
						|
 | 
						|
    virtual void SetUserScale(double x, double y);
 | 
						|
    virtual void GetUserScale(double *x, double *y) const
 | 
						|
    {
 | 
						|
        if ( x ) *x = m_userScaleX;
 | 
						|
        if ( y ) *y = m_userScaleY;
 | 
						|
    }
 | 
						|
 | 
						|
    virtual void SetLogicalScale(double x, double y);
 | 
						|
    virtual void GetLogicalScale(double *x, double *y)
 | 
						|
    {
 | 
						|
        if ( x ) *x = m_logicalScaleX;
 | 
						|
        if ( y ) *y = m_logicalScaleY;
 | 
						|
    }
 | 
						|
 | 
						|
    virtual void SetLogicalOrigin(wxCoord x, wxCoord y);
 | 
						|
    virtual void DoGetLogicalOrigin(wxCoord *x, wxCoord *y) const
 | 
						|
    {
 | 
						|
        if ( x ) *x = m_logicalOriginX;
 | 
						|
        if ( y ) *y = m_logicalOriginY;
 | 
						|
    }
 | 
						|
 | 
						|
    virtual void SetDeviceOrigin(wxCoord x, wxCoord y);
 | 
						|
    virtual void DoGetDeviceOrigin(wxCoord *x, wxCoord *y) const
 | 
						|
    {
 | 
						|
        if ( x ) *x = m_deviceOriginX;
 | 
						|
        if ( y ) *y = m_deviceOriginY;
 | 
						|
    }
 | 
						|
 | 
						|
    virtual void SetDeviceLocalOrigin( wxCoord x, wxCoord y );
 | 
						|
 | 
						|
    virtual void ComputeScaleAndOrigin();
 | 
						|
 | 
						|
    // this needs to overidden if the axis is inverted
 | 
						|
    virtual void SetAxisOrientation(bool xLeftRight, bool yBottomUp);
 | 
						|
 | 
						|
    // ---------------------------------------------------------
 | 
						|
    // the actual drawing API
 | 
						|
 | 
						|
    virtual bool DoFloodFill(wxCoord x, wxCoord y, const wxColour& col,
 | 
						|
                             wxFloodFillStyle style = wxFLOOD_SURFACE) = 0;
 | 
						|
 | 
						|
    virtual void DoGradientFillLinear(const wxRect& rect,
 | 
						|
                                      const wxColour& initialColour,
 | 
						|
                                      const wxColour& destColour,
 | 
						|
                                      wxDirection nDirection = wxEAST);
 | 
						|
 | 
						|
    virtual void DoGradientFillConcentric(const wxRect& rect,
 | 
						|
                                        const wxColour& initialColour,
 | 
						|
                                        const wxColour& destColour,
 | 
						|
                                        const wxPoint& circleCenter);
 | 
						|
 | 
						|
    virtual bool DoGetPixel(wxCoord x, wxCoord y, wxColour *col) const = 0;
 | 
						|
 | 
						|
    virtual void DoDrawPoint(wxCoord x, wxCoord y) = 0;
 | 
						|
    virtual void DoDrawLine(wxCoord x1, wxCoord y1, wxCoord x2, wxCoord y2) = 0;
 | 
						|
 | 
						|
    virtual void DoDrawArc(wxCoord x1, wxCoord y1,
 | 
						|
                           wxCoord x2, wxCoord y2,
 | 
						|
                           wxCoord xc, wxCoord yc) = 0;
 | 
						|
    virtual void DoDrawCheckMark(wxCoord x, wxCoord y,
 | 
						|
                                 wxCoord width, wxCoord height);
 | 
						|
    virtual void DoDrawEllipticArc(wxCoord x, wxCoord y, wxCoord w, wxCoord h,
 | 
						|
                                   double sa, double ea) = 0;
 | 
						|
 | 
						|
    virtual void DoDrawRectangle(wxCoord x, wxCoord y, wxCoord width, wxCoord height) = 0;
 | 
						|
    virtual void DoDrawRoundedRectangle(wxCoord x, wxCoord y,
 | 
						|
                                        wxCoord width, wxCoord height,
 | 
						|
                                        double radius) = 0;
 | 
						|
    virtual void DoDrawEllipse(wxCoord x, wxCoord y,
 | 
						|
                               wxCoord width, wxCoord height) = 0;
 | 
						|
 | 
						|
    virtual void DoCrossHair(wxCoord x, wxCoord y) = 0;
 | 
						|
 | 
						|
    virtual void DoDrawIcon(const wxIcon& icon, wxCoord x, wxCoord y) = 0;
 | 
						|
    virtual void DoDrawBitmap(const wxBitmap &bmp, wxCoord x, wxCoord y,
 | 
						|
                              bool useMask = false) = 0;
 | 
						|
 | 
						|
    virtual void DoDrawText(const wxString& text, wxCoord x, wxCoord y) = 0;
 | 
						|
    virtual void DoDrawRotatedText(const wxString& text,
 | 
						|
                                   wxCoord x, wxCoord y, double angle) = 0;
 | 
						|
 | 
						|
    virtual bool DoBlit(wxCoord xdest, wxCoord ydest,
 | 
						|
                        wxCoord width, wxCoord height,
 | 
						|
                        wxDC *source,
 | 
						|
                        wxCoord xsrc, wxCoord ysrc,
 | 
						|
                        wxRasterOperationMode rop = wxCOPY,
 | 
						|
                        bool useMask = false,
 | 
						|
                        wxCoord xsrcMask = wxDefaultCoord,
 | 
						|
                        wxCoord ysrcMask = wxDefaultCoord) = 0;
 | 
						|
 | 
						|
    virtual bool DoStretchBlit(wxCoord xdest, wxCoord ydest,
 | 
						|
                               wxCoord dstWidth, wxCoord dstHeight,
 | 
						|
                               wxDC *source,
 | 
						|
                               wxCoord xsrc, wxCoord ysrc,
 | 
						|
                               wxCoord srcWidth, wxCoord srcHeight,
 | 
						|
                               wxRasterOperationMode rop = wxCOPY,
 | 
						|
                               bool useMask = false,
 | 
						|
                               wxCoord xsrcMask = wxDefaultCoord,
 | 
						|
                               wxCoord ysrcMask = wxDefaultCoord);
 | 
						|
 | 
						|
    virtual wxBitmap DoGetAsBitmap(const wxRect *WXUNUSED(subrect)) const
 | 
						|
        { return wxNullBitmap; }
 | 
						|
 | 
						|
 | 
						|
    virtual void DoDrawLines(int n, wxPoint points[],
 | 
						|
                             wxCoord xoffset, wxCoord yoffset ) = 0;
 | 
						|
    virtual void DrawLines(const wxPointList *list,
 | 
						|
                           wxCoord xoffset, wxCoord yoffset );
 | 
						|
 | 
						|
    virtual void DoDrawPolygon(int n, wxPoint points[],
 | 
						|
                           wxCoord xoffset, wxCoord yoffset,
 | 
						|
                           wxPolygonFillMode fillStyle = wxODDEVEN_RULE) = 0;
 | 
						|
    virtual void DoDrawPolyPolygon(int n, int count[], wxPoint points[],
 | 
						|
                               wxCoord xoffset, wxCoord yoffset,
 | 
						|
                               wxPolygonFillMode fillStyle);
 | 
						|
    void DrawPolygon(const wxPointList *list,
 | 
						|
                     wxCoord xoffset, wxCoord yoffset,
 | 
						|
                     wxPolygonFillMode fillStyle );
 | 
						|
 | 
						|
 | 
						|
#if wxUSE_SPLINES
 | 
						|
    void DrawSpline(wxCoord x1, wxCoord y1,
 | 
						|
                            wxCoord x2, wxCoord y2,
 | 
						|
                            wxCoord x3, wxCoord y3);
 | 
						|
    void DrawSpline(int n, wxPoint points[]);
 | 
						|
    void DrawSpline(const wxPointList *points) { DoDrawSpline(points); }
 | 
						|
 | 
						|
    virtual void DoDrawSpline(const wxPointList *points);
 | 
						|
#endif
 | 
						|
 | 
						|
    // ---------------------------------------------------------
 | 
						|
    // wxMemoryDC Impl API
 | 
						|
 | 
						|
    virtual void DoSelect(const wxBitmap& WXUNUSED(bmp))
 | 
						|
       { }
 | 
						|
 | 
						|
    virtual const wxBitmap& GetSelectedBitmap() const
 | 
						|
        { return wxNullBitmap; }
 | 
						|
    virtual wxBitmap& GetSelectedBitmap()
 | 
						|
        { return wxNullBitmap; }
 | 
						|
 | 
						|
    // ---------------------------------------------------------
 | 
						|
    // wxPrinterDC Impl API
 | 
						|
 | 
						|
    virtual wxRect GetPaperRect() const
 | 
						|
        { int w = 0; int h = 0; DoGetSize( &w, &h ); return wxRect(0,0,w,h); }
 | 
						|
 | 
						|
    virtual int GetResolution() const
 | 
						|
        { return -1; }
 | 
						|
 | 
						|
private:
 | 
						|
    wxDC       *m_owner;
 | 
						|
 | 
						|
protected:
 | 
						|
    // unset clipping variables (after clipping region was destroyed)
 | 
						|
    void ResetClipping()
 | 
						|
    {
 | 
						|
        m_clipping = false;
 | 
						|
 | 
						|
        m_clipX1 = m_clipX2 = m_clipY1 = m_clipY2 = 0;
 | 
						|
    }
 | 
						|
 | 
						|
#ifdef __WXWINCE__
 | 
						|
    //! Generic method to draw ellipses, circles and arcs with current pen and brush.
 | 
						|
    /*! \param x Upper left corner of bounding box.
 | 
						|
     *  \param y Upper left corner of bounding box.
 | 
						|
     *  \param w Width of bounding box.
 | 
						|
     *  \param h Height of bounding box.
 | 
						|
     *  \param sa Starting angle of arc
 | 
						|
     *            (counterclockwise, start at 3 o'clock, 360 is full circle).
 | 
						|
     *  \param ea Ending angle of arc.
 | 
						|
     *  \param angle Rotation angle, the Arc will be rotated after
 | 
						|
     *               calculating begin and end.
 | 
						|
     */
 | 
						|
    void DrawEllipticArcRot( wxCoord x, wxCoord y,
 | 
						|
                             wxCoord width, wxCoord height,
 | 
						|
                             double sa = 0, double ea = 0, double angle = 0 )
 | 
						|
    { DoDrawEllipticArcRot( x, y, width, height, sa, ea, angle ); }
 | 
						|
 | 
						|
    void DrawEllipticArcRot( const wxPoint& pt,
 | 
						|
                             const wxSize& sz,
 | 
						|
                             double sa = 0, double ea = 0, double angle = 0 )
 | 
						|
    { DoDrawEllipticArcRot( pt.x, pt.y, sz.x, sz.y, sa, ea, angle ); }
 | 
						|
 | 
						|
    void DrawEllipticArcRot( const wxRect& rect,
 | 
						|
                             double sa = 0, double ea = 0, double angle = 0 )
 | 
						|
    { DoDrawEllipticArcRot( rect.x, rect.y, rect.width, rect.height, sa, ea, angle ); }
 | 
						|
 | 
						|
    virtual void DoDrawEllipticArcRot( wxCoord x, wxCoord y,
 | 
						|
                                       wxCoord w, wxCoord h,
 | 
						|
                                       double sa = 0, double ea = 0, double angle = 0 );
 | 
						|
 | 
						|
    //! Rotates points around center.
 | 
						|
    /*! This is a quite straight method, it calculates in pixels
 | 
						|
     *  and so it produces rounding errors.
 | 
						|
     *  \param points The points inside will be rotated.
 | 
						|
     *  \param angle Rotating angle (counterclockwise, start at 3 o'clock, 360 is full circle).
 | 
						|
     *  \param center Center of rotation.
 | 
						|
     */
 | 
						|
    void Rotate( wxPointList* points, double angle, wxPoint center = wxPoint(0,0) );
 | 
						|
 | 
						|
    // used by DrawEllipticArcRot
 | 
						|
    // Careful: wxList gets filled with points you have to delete later.
 | 
						|
    void CalculateEllipticPoints( wxPointList* points,
 | 
						|
                                  wxCoord xStart, wxCoord yStart,
 | 
						|
                                  wxCoord w, wxCoord h,
 | 
						|
                                  double sa, double ea );
 | 
						|
#endif // __WXWINCE__
 | 
						|
 | 
						|
    // returns adjustment factor for converting wxFont "point size"; in wx
 | 
						|
    // it is point size on screen and needs to be multiplied by this value
 | 
						|
    // for rendering on higher-resolution DCs such as printer ones
 | 
						|
    static float GetFontPointSizeAdjustment(float dpi);
 | 
						|
 | 
						|
    // window on which the DC draws or NULL
 | 
						|
    wxWindow   *m_window;
 | 
						|
 | 
						|
    // flags
 | 
						|
    bool m_colour:1;
 | 
						|
    bool m_ok:1;
 | 
						|
    bool m_clipping:1;
 | 
						|
    bool m_isInteractive:1;
 | 
						|
    bool m_isBBoxValid:1;
 | 
						|
 | 
						|
    // coordinate system variables
 | 
						|
 | 
						|
    wxCoord m_logicalOriginX, m_logicalOriginY;
 | 
						|
    wxCoord m_deviceOriginX, m_deviceOriginY;           // Usually 0,0, can be change by user
 | 
						|
 | 
						|
    wxCoord m_deviceLocalOriginX, m_deviceLocalOriginY; // non-zero if native top-left corner
 | 
						|
                                                        // is not at 0,0. This was the case under
 | 
						|
                                                        // Mac's GrafPorts (coordinate system
 | 
						|
                                                        // used toplevel window's origin) and
 | 
						|
                                                        // e.g. for Postscript, where the native
 | 
						|
                                                        // origin in the bottom left corner.
 | 
						|
    double m_logicalScaleX, m_logicalScaleY;
 | 
						|
    double m_userScaleX, m_userScaleY;
 | 
						|
    double m_scaleX, m_scaleY;  // calculated from logical scale and user scale
 | 
						|
 | 
						|
    int m_signX, m_signY;  // Used by SetAxisOrientation() to invert the axes
 | 
						|
 | 
						|
    // what is a mm on a screen you don't know the size of?
 | 
						|
    double       m_mm_to_pix_x,
 | 
						|
                 m_mm_to_pix_y;
 | 
						|
 | 
						|
    // bounding and clipping boxes
 | 
						|
    wxCoord m_minX, m_minY, m_maxX, m_maxY;
 | 
						|
    wxCoord m_clipX1, m_clipY1, m_clipX2, m_clipY2;
 | 
						|
 | 
						|
    wxRasterOperationMode m_logicalFunction;
 | 
						|
    int m_backgroundMode;
 | 
						|
    wxMappingMode m_mappingMode;
 | 
						|
 | 
						|
    wxPen             m_pen;
 | 
						|
    wxBrush           m_brush;
 | 
						|
    wxBrush           m_backgroundBrush;
 | 
						|
    wxColour          m_textForegroundColour;
 | 
						|
    wxColour          m_textBackgroundColour;
 | 
						|
    wxFont            m_font;
 | 
						|
 | 
						|
#if wxUSE_PALETTE
 | 
						|
    wxPalette         m_palette;
 | 
						|
    bool              m_hasCustomPalette;
 | 
						|
#endif // wxUSE_PALETTE
 | 
						|
 | 
						|
private:
 | 
						|
    DECLARE_ABSTRACT_CLASS(wxDCImpl)
 | 
						|
};
 | 
						|
 | 
						|
 | 
						|
class WXDLLIMPEXP_CORE wxDC : public wxObject
 | 
						|
{
 | 
						|
public:
 | 
						|
    // copy attributes (font, colours and writing direction) from another DC
 | 
						|
    void CopyAttributes(const wxDC& dc);
 | 
						|
 | 
						|
    virtual ~wxDC() { delete m_pimpl; }
 | 
						|
 | 
						|
    wxDCImpl *GetImpl()
 | 
						|
        { return m_pimpl; }
 | 
						|
    const wxDCImpl *GetImpl() const
 | 
						|
        { return m_pimpl; }
 | 
						|
 | 
						|
    wxWindow *GetWindow() const
 | 
						|
        { return m_pimpl->GetWindow(); }
 | 
						|
 | 
						|
    bool IsOk() const
 | 
						|
        { return m_pimpl && m_pimpl->IsOk(); }
 | 
						|
 | 
						|
    // query capabilities
 | 
						|
 | 
						|
    bool CanDrawBitmap() const
 | 
						|
        { return m_pimpl->CanDrawBitmap(); }
 | 
						|
    bool CanGetTextExtent() const
 | 
						|
        { return m_pimpl->CanGetTextExtent(); }
 | 
						|
 | 
						|
    // query dimension, colour deps, resolution
 | 
						|
 | 
						|
    void GetSize(int *width, int *height) const
 | 
						|
        { m_pimpl->DoGetSize(width, height); }
 | 
						|
    wxSize GetSize() const
 | 
						|
        { return m_pimpl->GetSize(); }
 | 
						|
 | 
						|
    void GetSizeMM(int* width, int* height) const
 | 
						|
        { m_pimpl->DoGetSizeMM(width, height); }
 | 
						|
    wxSize GetSizeMM() const
 | 
						|
    {
 | 
						|
        int w, h;
 | 
						|
        m_pimpl->DoGetSizeMM(&w, &h);
 | 
						|
        return wxSize(w, h);
 | 
						|
    }
 | 
						|
 | 
						|
    int GetDepth() const
 | 
						|
        { return m_pimpl->GetDepth(); }
 | 
						|
    wxSize GetPPI() const
 | 
						|
        { return m_pimpl->GetPPI(); }
 | 
						|
 | 
						|
    virtual int GetResolution() const
 | 
						|
        { return m_pimpl->GetResolution(); }
 | 
						|
 | 
						|
    // Right-To-Left (RTL) modes
 | 
						|
 | 
						|
    void SetLayoutDirection(wxLayoutDirection dir)
 | 
						|
        { m_pimpl->SetLayoutDirection( dir ); }
 | 
						|
    wxLayoutDirection GetLayoutDirection() const
 | 
						|
        { return m_pimpl->GetLayoutDirection(); }
 | 
						|
 | 
						|
    // page and document
 | 
						|
 | 
						|
    bool StartDoc(const wxString& message)
 | 
						|
        { return m_pimpl->StartDoc(message); }
 | 
						|
    void EndDoc()
 | 
						|
        { m_pimpl->EndDoc(); }
 | 
						|
 | 
						|
    void StartPage()
 | 
						|
        { m_pimpl->StartPage(); }
 | 
						|
    void EndPage()
 | 
						|
        { m_pimpl->EndPage(); }
 | 
						|
 | 
						|
    // bounding box
 | 
						|
 | 
						|
    void CalcBoundingBox(wxCoord x, wxCoord y)
 | 
						|
        { m_pimpl->CalcBoundingBox(x,y); }
 | 
						|
    void ResetBoundingBox()
 | 
						|
        { m_pimpl->ResetBoundingBox(); }
 | 
						|
 | 
						|
    wxCoord MinX() const
 | 
						|
        { return m_pimpl->MinX(); }
 | 
						|
    wxCoord MaxX() const
 | 
						|
        { return m_pimpl->MaxX(); }
 | 
						|
    wxCoord MinY() const
 | 
						|
        { return m_pimpl->MinY(); }
 | 
						|
    wxCoord MaxY() const
 | 
						|
        { return m_pimpl->MaxY(); }
 | 
						|
 | 
						|
    // setters and getters
 | 
						|
 | 
						|
    void SetFont(const wxFont& font)
 | 
						|
        { m_pimpl->SetFont( font ); }
 | 
						|
    const wxFont&   GetFont() const
 | 
						|
        { return m_pimpl->GetFont(); }
 | 
						|
 | 
						|
    void SetPen(const wxPen& pen)
 | 
						|
        { m_pimpl->SetPen( pen ); }
 | 
						|
    const wxPen&    GetPen() const
 | 
						|
        { return m_pimpl->GetPen(); }
 | 
						|
 | 
						|
    void SetBrush(const wxBrush& brush)
 | 
						|
        { m_pimpl->SetBrush( brush ); }
 | 
						|
    const wxBrush&  GetBrush() const
 | 
						|
        { return m_pimpl->GetBrush(); }
 | 
						|
 | 
						|
    void SetBackground(const wxBrush& brush)
 | 
						|
        { m_pimpl->SetBackground( brush ); }
 | 
						|
    const wxBrush&  GetBackground() const
 | 
						|
        { return m_pimpl->GetBackground(); }
 | 
						|
 | 
						|
    void SetBackgroundMode(int mode)
 | 
						|
        { m_pimpl->SetBackgroundMode( mode ); }
 | 
						|
    int GetBackgroundMode() const
 | 
						|
        { return m_pimpl->GetBackgroundMode(); }
 | 
						|
 | 
						|
    void SetTextForeground(const wxColour& colour)
 | 
						|
        { m_pimpl->SetTextForeground(colour); }
 | 
						|
    const wxColour& GetTextForeground() const
 | 
						|
        { return m_pimpl->GetTextForeground(); }
 | 
						|
 | 
						|
    void SetTextBackground(const wxColour& colour)
 | 
						|
        { m_pimpl->SetTextBackground(colour); }
 | 
						|
    const wxColour& GetTextBackground() const
 | 
						|
        { return m_pimpl->GetTextBackground(); }
 | 
						|
 | 
						|
#if wxUSE_PALETTE
 | 
						|
    void SetPalette(const wxPalette& palette)
 | 
						|
        { m_pimpl->SetPalette(palette); }
 | 
						|
#endif // wxUSE_PALETTE
 | 
						|
 | 
						|
    // logical functions
 | 
						|
 | 
						|
    void SetLogicalFunction(wxRasterOperationMode function)
 | 
						|
        { m_pimpl->SetLogicalFunction(function); }
 | 
						|
    wxRasterOperationMode GetLogicalFunction() const
 | 
						|
        { return m_pimpl->GetLogicalFunction(); }
 | 
						|
 | 
						|
    // text measurement
 | 
						|
 | 
						|
    wxCoord GetCharHeight() const
 | 
						|
        { return m_pimpl->GetCharHeight(); }
 | 
						|
    wxCoord GetCharWidth() const
 | 
						|
        { return m_pimpl->GetCharWidth(); }
 | 
						|
 | 
						|
    void GetTextExtent(const wxString& string,
 | 
						|
                       wxCoord *x, wxCoord *y,
 | 
						|
                       wxCoord *descent = NULL,
 | 
						|
                       wxCoord *externalLeading = NULL,
 | 
						|
                       const wxFont *theFont = NULL) const
 | 
						|
        { m_pimpl->DoGetTextExtent(string, x, y, descent, externalLeading, theFont); }
 | 
						|
 | 
						|
    wxSize GetTextExtent(const wxString& string) const
 | 
						|
    {
 | 
						|
        wxCoord w, h;
 | 
						|
        m_pimpl->DoGetTextExtent(string, &w, &h);
 | 
						|
        return wxSize(w, h);
 | 
						|
    }
 | 
						|
 | 
						|
    void GetMultiLineTextExtent(const wxString& string,
 | 
						|
                                        wxCoord *width,
 | 
						|
                                        wxCoord *height,
 | 
						|
                                        wxCoord *heightLine = NULL,
 | 
						|
                                        const wxFont *font = NULL) const
 | 
						|
        { m_pimpl->GetMultiLineTextExtent( string, width, height, heightLine, font ); }
 | 
						|
 | 
						|
    wxSize GetMultiLineTextExtent(const wxString& string) const
 | 
						|
    {
 | 
						|
        wxCoord w, h;
 | 
						|
        m_pimpl->GetMultiLineTextExtent(string, &w, &h);
 | 
						|
        return wxSize(w, h);
 | 
						|
    }
 | 
						|
 | 
						|
    bool GetPartialTextExtents(const wxString& text, wxArrayInt& widths) const
 | 
						|
        { return m_pimpl->DoGetPartialTextExtents(text, widths); }
 | 
						|
 | 
						|
    // clearing
 | 
						|
 | 
						|
    void Clear()
 | 
						|
        { m_pimpl->Clear(); }
 | 
						|
 | 
						|
    // clipping
 | 
						|
 | 
						|
    void SetClippingRegion(wxCoord x, wxCoord y, wxCoord width, wxCoord height)
 | 
						|
        { m_pimpl->DoSetClippingRegion(x, y, width, height); }
 | 
						|
    void SetClippingRegion(const wxPoint& pt, const wxSize& sz)
 | 
						|
        { m_pimpl->DoSetClippingRegion(pt.x, pt.y, sz.x, sz.y); }
 | 
						|
    void SetClippingRegion(const wxRect& rect)
 | 
						|
        { m_pimpl->DoSetClippingRegion(rect.x, rect.y, rect.width, rect.height); }
 | 
						|
 | 
						|
    // unlike the functions above, the coordinates of the region used in this
 | 
						|
    // one are in device coordinates, not the logical ones
 | 
						|
    void SetDeviceClippingRegion(const wxRegion& region)
 | 
						|
        { m_pimpl->DoSetDeviceClippingRegion(region); }
 | 
						|
 | 
						|
    // this function is deprecated because its name is confusing: you may
 | 
						|
    // expect it to work with logical coordinates but, in fact, it does exactly
 | 
						|
    // the same thing as SetDeviceClippingRegion()
 | 
						|
    //
 | 
						|
    // please review the code using it and either replace it with calls to
 | 
						|
    // SetDeviceClippingRegion() or correct it if it was [wrongly] passing
 | 
						|
    // logical coordinates to this function
 | 
						|
    wxDEPRECATED_INLINE(void SetClippingRegion(const wxRegion& region),
 | 
						|
                        SetDeviceClippingRegion(region); )
 | 
						|
 | 
						|
    void DestroyClippingRegion()
 | 
						|
        { m_pimpl->DestroyClippingRegion(); }
 | 
						|
 | 
						|
    void GetClippingBox(wxCoord *x, wxCoord *y, wxCoord *w, wxCoord *h) const
 | 
						|
        { m_pimpl->DoGetClippingBox(x, y, w, h); }
 | 
						|
    void GetClippingBox(wxRect& rect) const
 | 
						|
        { m_pimpl->DoGetClippingBox(&rect.x, &rect.y, &rect.width, &rect.height); }
 | 
						|
 | 
						|
    // coordinates conversions and transforms
 | 
						|
 | 
						|
    wxCoord DeviceToLogicalX(wxCoord x) const
 | 
						|
        { return m_pimpl->DeviceToLogicalX(x); }
 | 
						|
    wxCoord DeviceToLogicalY(wxCoord y) const
 | 
						|
        { return m_pimpl->DeviceToLogicalY(y); }
 | 
						|
    wxCoord DeviceToLogicalXRel(wxCoord x) const
 | 
						|
        { return m_pimpl->DeviceToLogicalXRel(x); }
 | 
						|
    wxCoord DeviceToLogicalYRel(wxCoord y) const
 | 
						|
        { return m_pimpl->DeviceToLogicalYRel(y); }
 | 
						|
    wxCoord LogicalToDeviceX(wxCoord x) const
 | 
						|
        { return m_pimpl->LogicalToDeviceX(x); }
 | 
						|
    wxCoord LogicalToDeviceY(wxCoord y) const
 | 
						|
        { return m_pimpl->LogicalToDeviceY(y); }
 | 
						|
    wxCoord LogicalToDeviceXRel(wxCoord x) const
 | 
						|
        { return m_pimpl->LogicalToDeviceXRel(x); }
 | 
						|
    wxCoord LogicalToDeviceYRel(wxCoord y) const
 | 
						|
        { return m_pimpl->LogicalToDeviceYRel(y); }
 | 
						|
 | 
						|
    void SetMapMode(wxMappingMode mode)
 | 
						|
        { m_pimpl->SetMapMode(mode); }
 | 
						|
    wxMappingMode GetMapMode() const
 | 
						|
        { return m_pimpl->GetMapMode(); }
 | 
						|
 | 
						|
    void SetUserScale(double x, double y)
 | 
						|
        { m_pimpl->SetUserScale(x,y); }
 | 
						|
    void GetUserScale(double *x, double *y) const
 | 
						|
        { m_pimpl->GetUserScale( x, y ); }
 | 
						|
 | 
						|
    void SetLogicalScale(double x, double y)
 | 
						|
        { m_pimpl->SetLogicalScale( x, y ); }
 | 
						|
    void GetLogicalScale(double *x, double *y)
 | 
						|
        { m_pimpl->GetLogicalScale( x, y ); }
 | 
						|
 | 
						|
    void SetLogicalOrigin(wxCoord x, wxCoord y)
 | 
						|
        { m_pimpl->SetLogicalOrigin(x,y); }
 | 
						|
    void GetLogicalOrigin(wxCoord *x, wxCoord *y) const
 | 
						|
        { m_pimpl->DoGetLogicalOrigin(x, y); }
 | 
						|
    wxPoint GetLogicalOrigin() const
 | 
						|
        { wxCoord x, y; m_pimpl->DoGetLogicalOrigin(&x, &y); return wxPoint(x, y); }
 | 
						|
 | 
						|
    void SetDeviceOrigin(wxCoord x, wxCoord y)
 | 
						|
        { m_pimpl->SetDeviceOrigin( x, y); }
 | 
						|
    void GetDeviceOrigin(wxCoord *x, wxCoord *y) const
 | 
						|
        { m_pimpl->DoGetDeviceOrigin(x, y); }
 | 
						|
    wxPoint GetDeviceOrigin() const
 | 
						|
        { wxCoord x, y; m_pimpl->DoGetDeviceOrigin(&x, &y); return wxPoint(x, y); }
 | 
						|
 | 
						|
    void SetAxisOrientation(bool xLeftRight, bool yBottomUp)
 | 
						|
        { m_pimpl->SetAxisOrientation(xLeftRight, yBottomUp); }
 | 
						|
 | 
						|
    // mostly internal
 | 
						|
    void SetDeviceLocalOrigin( wxCoord x, wxCoord y )
 | 
						|
        { m_pimpl->SetDeviceLocalOrigin( x, y ); }
 | 
						|
 | 
						|
 | 
						|
    // -----------------------------------------------
 | 
						|
    // the actual drawing API
 | 
						|
 | 
						|
    bool FloodFill(wxCoord x, wxCoord y, const wxColour& col,
 | 
						|
                   wxFloodFillStyle style = wxFLOOD_SURFACE)
 | 
						|
        { return m_pimpl->DoFloodFill(x, y, col, style); }
 | 
						|
    bool FloodFill(const wxPoint& pt, const wxColour& col,
 | 
						|
                   wxFloodFillStyle style = wxFLOOD_SURFACE)
 | 
						|
        { return m_pimpl->DoFloodFill(pt.x, pt.y, col, style); }
 | 
						|
 | 
						|
    // fill the area specified by rect with a radial gradient, starting from
 | 
						|
    // initialColour in the centre of the cercle and fading to destColour.
 | 
						|
    void GradientFillConcentric(const wxRect& rect,
 | 
						|
                                const wxColour& initialColour,
 | 
						|
                                const wxColour& destColour)
 | 
						|
        { m_pimpl->DoGradientFillConcentric( rect, initialColour, destColour,
 | 
						|
                                             wxPoint(rect.GetWidth() / 2,
 | 
						|
                                                     rect.GetHeight() / 2)); }
 | 
						|
 | 
						|
    void GradientFillConcentric(const wxRect& rect,
 | 
						|
                                const wxColour& initialColour,
 | 
						|
                                const wxColour& destColour,
 | 
						|
                                const wxPoint& circleCenter)
 | 
						|
        { m_pimpl->DoGradientFillConcentric(rect, initialColour, destColour, circleCenter); }
 | 
						|
 | 
						|
    // fill the area specified by rect with a linear gradient
 | 
						|
    void GradientFillLinear(const wxRect& rect,
 | 
						|
                            const wxColour& initialColour,
 | 
						|
                            const wxColour& destColour,
 | 
						|
                            wxDirection nDirection = wxEAST)
 | 
						|
        { m_pimpl->DoGradientFillLinear(rect, initialColour, destColour, nDirection); }
 | 
						|
 | 
						|
    bool GetPixel(wxCoord x, wxCoord y, wxColour *col) const
 | 
						|
        { return m_pimpl->DoGetPixel(x, y, col); }
 | 
						|
    bool GetPixel(const wxPoint& pt, wxColour *col) const
 | 
						|
        { return m_pimpl->DoGetPixel(pt.x, pt.y, col); }
 | 
						|
 | 
						|
    void DrawLine(wxCoord x1, wxCoord y1, wxCoord x2, wxCoord y2)
 | 
						|
        { m_pimpl->DoDrawLine(x1, y1, x2, y2); }
 | 
						|
    void DrawLine(const wxPoint& pt1, const wxPoint& pt2)
 | 
						|
        { m_pimpl->DoDrawLine(pt1.x, pt1.y, pt2.x, pt2.y); }
 | 
						|
 | 
						|
    void CrossHair(wxCoord x, wxCoord y)
 | 
						|
        { m_pimpl->DoCrossHair(x, y); }
 | 
						|
    void CrossHair(const wxPoint& pt)
 | 
						|
        { m_pimpl->DoCrossHair(pt.x, pt.y); }
 | 
						|
 | 
						|
    void DrawArc(wxCoord x1, wxCoord y1, wxCoord x2, wxCoord y2,
 | 
						|
                 wxCoord xc, wxCoord yc)
 | 
						|
        { m_pimpl->DoDrawArc(x1, y1, x2, y2, xc, yc); }
 | 
						|
    void DrawArc(const wxPoint& pt1, const wxPoint& pt2, const wxPoint& centre)
 | 
						|
        { m_pimpl->DoDrawArc(pt1.x, pt1.y, pt2.x, pt2.y, centre.x, centre.y); }
 | 
						|
 | 
						|
    void DrawCheckMark(wxCoord x, wxCoord y,
 | 
						|
                       wxCoord width, wxCoord height)
 | 
						|
        { m_pimpl->DoDrawCheckMark(x, y, width, height); }
 | 
						|
    void DrawCheckMark(const wxRect& rect)
 | 
						|
        { m_pimpl->DoDrawCheckMark(rect.x, rect.y, rect.width, rect.height); }
 | 
						|
 | 
						|
    void DrawEllipticArc(wxCoord x, wxCoord y, wxCoord w, wxCoord h,
 | 
						|
                         double sa, double ea)
 | 
						|
        { m_pimpl->DoDrawEllipticArc(x, y, w, h, sa, ea); }
 | 
						|
    void DrawEllipticArc(const wxPoint& pt, const wxSize& sz,
 | 
						|
                         double sa, double ea)
 | 
						|
        { m_pimpl->DoDrawEllipticArc(pt.x, pt.y, sz.x, sz.y, sa, ea); }
 | 
						|
 | 
						|
    void DrawPoint(wxCoord x, wxCoord y)
 | 
						|
        { m_pimpl->DoDrawPoint(x, y); }
 | 
						|
    void DrawPoint(const wxPoint& pt)
 | 
						|
        { m_pimpl->DoDrawPoint(pt.x, pt.y); }
 | 
						|
 | 
						|
    void DrawLines(int n, wxPoint points[],
 | 
						|
                   wxCoord xoffset = 0, wxCoord yoffset = 0)
 | 
						|
        { m_pimpl->DoDrawLines(n, points, xoffset, yoffset); }
 | 
						|
    void DrawLines(const wxPointList *list,
 | 
						|
                   wxCoord xoffset = 0, wxCoord yoffset = 0)
 | 
						|
        { m_pimpl->DrawLines( list, xoffset, yoffset ); }
 | 
						|
#if WXWIN_COMPATIBILITY_2_8
 | 
						|
    wxDEPRECATED( void DrawLines(const wxList *list,
 | 
						|
                                 wxCoord xoffset = 0, wxCoord yoffset = 0) );
 | 
						|
#endif  // WXWIN_COMPATIBILITY_2_8
 | 
						|
 | 
						|
    void DrawPolygon(int n, wxPoint points[],
 | 
						|
                     wxCoord xoffset = 0, wxCoord yoffset = 0,
 | 
						|
                     wxPolygonFillMode fillStyle = wxODDEVEN_RULE)
 | 
						|
        { m_pimpl->DoDrawPolygon(n, points, xoffset, yoffset, fillStyle); }
 | 
						|
    void DrawPolygon(const wxPointList *list,
 | 
						|
                     wxCoord xoffset = 0, wxCoord yoffset = 0,
 | 
						|
                     wxPolygonFillMode fillStyle = wxODDEVEN_RULE)
 | 
						|
        { m_pimpl->DrawPolygon( list, xoffset, yoffset, fillStyle ); }
 | 
						|
    void DrawPolyPolygon(int n, int count[], wxPoint points[],
 | 
						|
                         wxCoord xoffset = 0, wxCoord yoffset = 0,
 | 
						|
                         wxPolygonFillMode fillStyle = wxODDEVEN_RULE)
 | 
						|
        { m_pimpl->DoDrawPolyPolygon(n, count, points, xoffset, yoffset, fillStyle); }
 | 
						|
#if WXWIN_COMPATIBILITY_2_8
 | 
						|
    wxDEPRECATED( void DrawPolygon(const wxList *list,
 | 
						|
                     wxCoord xoffset = 0, wxCoord yoffset = 0,
 | 
						|
                     wxPolygonFillMode fillStyle = wxODDEVEN_RULE) );
 | 
						|
#endif  // WXWIN_COMPATIBILITY_2_8
 | 
						|
 | 
						|
    void DrawRectangle(wxCoord x, wxCoord y, wxCoord width, wxCoord height)
 | 
						|
        { m_pimpl->DoDrawRectangle(x, y, width, height); }
 | 
						|
    void DrawRectangle(const wxPoint& pt, const wxSize& sz)
 | 
						|
        { m_pimpl->DoDrawRectangle(pt.x, pt.y, sz.x, sz.y); }
 | 
						|
    void DrawRectangle(const wxRect& rect)
 | 
						|
        { m_pimpl->DoDrawRectangle(rect.x, rect.y, rect.width, rect.height); }
 | 
						|
 | 
						|
    void DrawRoundedRectangle(wxCoord x, wxCoord y, wxCoord width, wxCoord height,
 | 
						|
                              double radius)
 | 
						|
        { m_pimpl->DoDrawRoundedRectangle(x, y, width, height, radius); }
 | 
						|
    void DrawRoundedRectangle(const wxPoint& pt, const wxSize& sz,
 | 
						|
                             double radius)
 | 
						|
        { m_pimpl->DoDrawRoundedRectangle(pt.x, pt.y, sz.x, sz.y, radius); }
 | 
						|
    void DrawRoundedRectangle(const wxRect& r, double radius)
 | 
						|
        { m_pimpl->DoDrawRoundedRectangle(r.x, r.y, r.width, r.height, radius); }
 | 
						|
 | 
						|
    void DrawCircle(wxCoord x, wxCoord y, wxCoord radius)
 | 
						|
        { m_pimpl->DoDrawEllipse(x - radius, y - radius, 2*radius, 2*radius); }
 | 
						|
    void DrawCircle(const wxPoint& pt, wxCoord radius)
 | 
						|
        { m_pimpl->DoDrawEllipse(pt.x - radius, pt.y - radius, 2*radius, 2*radius); }
 | 
						|
 | 
						|
    void DrawEllipse(wxCoord x, wxCoord y, wxCoord width, wxCoord height)
 | 
						|
        { m_pimpl->DoDrawEllipse(x, y, width, height); }
 | 
						|
    void DrawEllipse(const wxPoint& pt, const wxSize& sz)
 | 
						|
        { m_pimpl->DoDrawEllipse(pt.x, pt.y, sz.x, sz.y); }
 | 
						|
    void DrawEllipse(const wxRect& rect)
 | 
						|
        { m_pimpl->DoDrawEllipse(rect.x, rect.y, rect.width, rect.height); }
 | 
						|
 | 
						|
    void DrawIcon(const wxIcon& icon, wxCoord x, wxCoord y)
 | 
						|
        { m_pimpl->DoDrawIcon(icon, x, y); }
 | 
						|
    void DrawIcon(const wxIcon& icon, const wxPoint& pt)
 | 
						|
        { m_pimpl->DoDrawIcon(icon, pt.x, pt.y); }
 | 
						|
 | 
						|
    void DrawBitmap(const wxBitmap &bmp, wxCoord x, wxCoord y,
 | 
						|
                    bool useMask = false)
 | 
						|
        { m_pimpl->DoDrawBitmap(bmp, x, y, useMask); }
 | 
						|
    void DrawBitmap(const wxBitmap &bmp, const wxPoint& pt,
 | 
						|
                    bool useMask = false)
 | 
						|
        { m_pimpl->DoDrawBitmap(bmp, pt.x, pt.y, useMask); }
 | 
						|
 | 
						|
    void DrawText(const wxString& text, wxCoord x, wxCoord y)
 | 
						|
        { m_pimpl->DoDrawText(text, x, y); }
 | 
						|
    void DrawText(const wxString& text, const wxPoint& pt)
 | 
						|
        { m_pimpl->DoDrawText(text, pt.x, pt.y); }
 | 
						|
 | 
						|
    void DrawRotatedText(const wxString& text, wxCoord x, wxCoord y, double angle)
 | 
						|
        { m_pimpl->DoDrawRotatedText(text, x, y, angle); }
 | 
						|
    void DrawRotatedText(const wxString& text, const wxPoint& pt, double angle)
 | 
						|
        { m_pimpl->DoDrawRotatedText(text, pt.x, pt.y, angle); }
 | 
						|
 | 
						|
    // this version puts both optional bitmap and the text into the given
 | 
						|
    // rectangle and aligns is as specified by alignment parameter; it also
 | 
						|
    // will emphasize the character with the given index if it is != -1 and
 | 
						|
    // return the bounding rectangle if required
 | 
						|
    void DrawLabel(const wxString& text,
 | 
						|
                           const wxBitmap& image,
 | 
						|
                           const wxRect& rect,
 | 
						|
                           int alignment = wxALIGN_LEFT | wxALIGN_TOP,
 | 
						|
                           int indexAccel = -1,
 | 
						|
                           wxRect *rectBounding = NULL);
 | 
						|
 | 
						|
    void DrawLabel(const wxString& text, const wxRect& rect,
 | 
						|
                   int alignment = wxALIGN_LEFT | wxALIGN_TOP,
 | 
						|
                   int indexAccel = -1)
 | 
						|
        { DrawLabel(text, wxNullBitmap, rect, alignment, indexAccel); }
 | 
						|
 | 
						|
    bool Blit(wxCoord xdest, wxCoord ydest, wxCoord width, wxCoord height,
 | 
						|
              wxDC *source, wxCoord xsrc, wxCoord ysrc,
 | 
						|
              wxRasterOperationMode rop = wxCOPY, bool useMask = false,
 | 
						|
              wxCoord xsrcMask = wxDefaultCoord, wxCoord ysrcMask = wxDefaultCoord)
 | 
						|
    {
 | 
						|
        return m_pimpl->DoBlit(xdest, ydest, width, height,
 | 
						|
                      source, xsrc, ysrc, rop, useMask, xsrcMask, ysrcMask);
 | 
						|
    }
 | 
						|
    bool Blit(const wxPoint& destPt, const wxSize& sz,
 | 
						|
              wxDC *source, const wxPoint& srcPt,
 | 
						|
              wxRasterOperationMode rop = wxCOPY, bool useMask = false,
 | 
						|
              const wxPoint& srcPtMask = wxDefaultPosition)
 | 
						|
    {
 | 
						|
        return m_pimpl->DoBlit(destPt.x, destPt.y, sz.x, sz.y,
 | 
						|
                      source, srcPt.x, srcPt.y, rop, useMask, srcPtMask.x, srcPtMask.y);
 | 
						|
    }
 | 
						|
 | 
						|
    bool StretchBlit(wxCoord dstX, wxCoord dstY,
 | 
						|
                     wxCoord dstWidth, wxCoord dstHeight,
 | 
						|
                     wxDC *source,
 | 
						|
                     wxCoord srcX, wxCoord srcY,
 | 
						|
                     wxCoord srcWidth, wxCoord srcHeight,
 | 
						|
                     wxRasterOperationMode rop = wxCOPY, bool useMask = false,
 | 
						|
                     wxCoord srcMaskX = wxDefaultCoord, wxCoord srcMaskY = wxDefaultCoord)
 | 
						|
    {
 | 
						|
        return m_pimpl->DoStretchBlit(dstX, dstY, dstWidth, dstHeight,
 | 
						|
                      source, srcX, srcY, srcWidth, srcHeight, rop, useMask, srcMaskX, srcMaskY);
 | 
						|
    }
 | 
						|
    bool StretchBlit(const wxPoint& dstPt, const wxSize& dstSize,
 | 
						|
                     wxDC *source, const wxPoint& srcPt, const wxSize& srcSize,
 | 
						|
                     wxRasterOperationMode rop = wxCOPY, bool useMask = false,
 | 
						|
                     const wxPoint& srcMaskPt = wxDefaultPosition)
 | 
						|
    {
 | 
						|
        return m_pimpl->DoStretchBlit(dstPt.x, dstPt.y, dstSize.x, dstSize.y,
 | 
						|
                      source, srcPt.x, srcPt.y, srcSize.x, srcSize.y, rop, useMask, srcMaskPt.x, srcMaskPt.y);
 | 
						|
    }
 | 
						|
 | 
						|
    wxBitmap GetAsBitmap(const wxRect *subrect = (const wxRect *) NULL) const
 | 
						|
    {
 | 
						|
        return m_pimpl->DoGetAsBitmap(subrect);
 | 
						|
    }
 | 
						|
 | 
						|
#if wxUSE_SPLINES
 | 
						|
    void DrawSpline(wxCoord x1, wxCoord y1,
 | 
						|
                    wxCoord x2, wxCoord y2,
 | 
						|
                    wxCoord x3, wxCoord y3)
 | 
						|
        { m_pimpl->DrawSpline(x1,y1,x2,y2,x3,y3); }
 | 
						|
    void DrawSpline(int n, wxPoint points[])
 | 
						|
        { m_pimpl->DrawSpline(n,points); }
 | 
						|
    void DrawSpline(const wxPointList *points)
 | 
						|
        { m_pimpl->DrawSpline(points); }
 | 
						|
#endif // wxUSE_SPLINES
 | 
						|
 | 
						|
 | 
						|
#if WXWIN_COMPATIBILITY_2_8
 | 
						|
    // for compatibility with the old code when wxCoord was long everywhere
 | 
						|
    wxDEPRECATED( void GetTextExtent(const wxString& string,
 | 
						|
                       long *x, long *y,
 | 
						|
                       long *descent = NULL,
 | 
						|
                       long *externalLeading = NULL,
 | 
						|
                       const wxFont *theFont = NULL) const );
 | 
						|
    wxDEPRECATED( void GetLogicalOrigin(long *x, long *y) const );
 | 
						|
    wxDEPRECATED( void GetDeviceOrigin(long *x, long *y) const );
 | 
						|
    wxDEPRECATED( void GetClippingBox(long *x, long *y, long *w, long *h) const );
 | 
						|
 | 
						|
    wxDEPRECATED( void DrawObject(wxDrawObject* drawobject) );
 | 
						|
#endif  // WXWIN_COMPATIBILITY_2_8
 | 
						|
 | 
						|
#ifdef __WXMSW__
 | 
						|
    // GetHDC() is the simplest way to retrieve an HDC From a wxDC but only
 | 
						|
    // works if this wxDC is GDI-based and fails for GDI+ contexts (and
 | 
						|
    // anything else without HDC, e.g. wxPostScriptDC)
 | 
						|
    WXHDC GetHDC() const;
 | 
						|
 | 
						|
    // don't use these methods manually, use GetTempHDC() instead
 | 
						|
    virtual WXHDC AcquireHDC() { return GetHDC(); }
 | 
						|
    virtual void ReleaseHDC(WXHDC WXUNUSED(hdc)) { }
 | 
						|
 | 
						|
    // helper class holding the result of GetTempHDC() with std::auto_ptr<>-like
 | 
						|
    // semantics, i.e. it is moved when copied
 | 
						|
    class TempHDC
 | 
						|
    {
 | 
						|
    public:
 | 
						|
        TempHDC(wxDC& dc)
 | 
						|
            : m_dc(dc),
 | 
						|
              m_hdc(dc.AcquireHDC())
 | 
						|
        {
 | 
						|
        }
 | 
						|
 | 
						|
        TempHDC(const TempHDC& thdc)
 | 
						|
            : m_dc(thdc.m_dc),
 | 
						|
              m_hdc(thdc.m_hdc)
 | 
						|
        {
 | 
						|
            const_cast<TempHDC&>(thdc).m_hdc = 0;
 | 
						|
        }
 | 
						|
 | 
						|
        ~TempHDC()
 | 
						|
        {
 | 
						|
            if ( m_hdc )
 | 
						|
                m_dc.ReleaseHDC(m_hdc);
 | 
						|
        }
 | 
						|
 | 
						|
        WXHDC GetHDC() const { return m_hdc; }
 | 
						|
 | 
						|
    private:
 | 
						|
        wxDC& m_dc;
 | 
						|
        WXHDC m_hdc;
 | 
						|
 | 
						|
        wxDECLARE_NO_ASSIGN_CLASS(TempHDC);
 | 
						|
    };
 | 
						|
 | 
						|
    // GetTempHDC() also works for wxGCDC (but still not for wxPostScriptDC &c)
 | 
						|
    TempHDC GetTempHDC() { return TempHDC(*this); }
 | 
						|
#endif // __WXMSW__
 | 
						|
 | 
						|
protected:
 | 
						|
    // ctor takes ownership of the pointer
 | 
						|
    wxDC(wxDCImpl *pimpl) : m_pimpl(pimpl) { }
 | 
						|
 | 
						|
    wxDCImpl * const m_pimpl;
 | 
						|
 | 
						|
private:
 | 
						|
    DECLARE_ABSTRACT_CLASS(wxDC)
 | 
						|
    wxDECLARE_NO_COPY_CLASS(wxDC);
 | 
						|
};
 | 
						|
 | 
						|
// ----------------------------------------------------------------------------
 | 
						|
// helper class: you can use it to temporarily change the DC text colour and
 | 
						|
// restore it automatically when the object goes out of scope
 | 
						|
// ----------------------------------------------------------------------------
 | 
						|
 | 
						|
class WXDLLIMPEXP_CORE wxDCTextColourChanger
 | 
						|
{
 | 
						|
public:
 | 
						|
    wxDCTextColourChanger(wxDC& dc) : m_dc(dc), m_colFgOld() { }
 | 
						|
 | 
						|
    wxDCTextColourChanger(wxDC& dc, const wxColour& col) : m_dc(dc)
 | 
						|
    {
 | 
						|
        Set(col);
 | 
						|
    }
 | 
						|
 | 
						|
    ~wxDCTextColourChanger()
 | 
						|
    {
 | 
						|
        if ( m_colFgOld.Ok() )
 | 
						|
            m_dc.SetTextForeground(m_colFgOld);
 | 
						|
    }
 | 
						|
 | 
						|
    void Set(const wxColour& col)
 | 
						|
    {
 | 
						|
        if ( !m_colFgOld.Ok() )
 | 
						|
            m_colFgOld = m_dc.GetTextForeground();
 | 
						|
        m_dc.SetTextForeground(col);
 | 
						|
    }
 | 
						|
 | 
						|
private:
 | 
						|
    wxDC& m_dc;
 | 
						|
 | 
						|
    wxColour m_colFgOld;
 | 
						|
 | 
						|
    wxDECLARE_NO_COPY_CLASS(wxDCTextColourChanger);
 | 
						|
};
 | 
						|
 | 
						|
// ----------------------------------------------------------------------------
 | 
						|
// helper class: you can use it to temporarily change the DC pen and
 | 
						|
// restore it automatically when the object goes out of scope
 | 
						|
// ----------------------------------------------------------------------------
 | 
						|
 | 
						|
class WXDLLIMPEXP_CORE wxDCPenChanger
 | 
						|
{
 | 
						|
public:
 | 
						|
    wxDCPenChanger(wxDC& dc, const wxPen& pen) : m_dc(dc), m_penOld(dc.GetPen())
 | 
						|
    {
 | 
						|
        m_dc.SetPen(pen);
 | 
						|
    }
 | 
						|
 | 
						|
    ~wxDCPenChanger()
 | 
						|
    {
 | 
						|
        if ( m_penOld.Ok() )
 | 
						|
            m_dc.SetPen(m_penOld);
 | 
						|
    }
 | 
						|
 | 
						|
private:
 | 
						|
    wxDC& m_dc;
 | 
						|
 | 
						|
    wxPen m_penOld;
 | 
						|
 | 
						|
    wxDECLARE_NO_COPY_CLASS(wxDCPenChanger);
 | 
						|
};
 | 
						|
 | 
						|
// ----------------------------------------------------------------------------
 | 
						|
// helper class: you can use it to temporarily change the DC brush and
 | 
						|
// restore it automatically when the object goes out of scope
 | 
						|
// ----------------------------------------------------------------------------
 | 
						|
 | 
						|
class WXDLLIMPEXP_CORE wxDCBrushChanger
 | 
						|
{
 | 
						|
public:
 | 
						|
    wxDCBrushChanger(wxDC& dc, const wxBrush& brush) : m_dc(dc), m_brushOld(dc.GetBrush())
 | 
						|
    {
 | 
						|
        m_dc.SetBrush(brush);
 | 
						|
    }
 | 
						|
 | 
						|
    ~wxDCBrushChanger()
 | 
						|
    {
 | 
						|
        if ( m_brushOld.Ok() )
 | 
						|
            m_dc.SetBrush(m_brushOld);
 | 
						|
    }
 | 
						|
 | 
						|
private:
 | 
						|
    wxDC& m_dc;
 | 
						|
 | 
						|
    wxBrush m_brushOld;
 | 
						|
 | 
						|
    wxDECLARE_NO_COPY_CLASS(wxDCBrushChanger);
 | 
						|
};
 | 
						|
 | 
						|
// ----------------------------------------------------------------------------
 | 
						|
// another small helper class: sets the clipping region in its ctor and
 | 
						|
// destroys it in the dtor
 | 
						|
// ----------------------------------------------------------------------------
 | 
						|
 | 
						|
class WXDLLIMPEXP_CORE wxDCClipper
 | 
						|
{
 | 
						|
public:
 | 
						|
    wxDCClipper(wxDC& dc, const wxRegion& r) : m_dc(dc)
 | 
						|
        { dc.SetClippingRegion(r.GetBox()); }
 | 
						|
    wxDCClipper(wxDC& dc, const wxRect& r) : m_dc(dc)
 | 
						|
        { dc.SetClippingRegion(r.x, r.y, r.width, r.height); }
 | 
						|
    wxDCClipper(wxDC& dc, wxCoord x, wxCoord y, wxCoord w, wxCoord h) : m_dc(dc)
 | 
						|
        { dc.SetClippingRegion(x, y, w, h); }
 | 
						|
 | 
						|
    ~wxDCClipper() { m_dc.DestroyClippingRegion(); }
 | 
						|
 | 
						|
private:
 | 
						|
    wxDC& m_dc;
 | 
						|
 | 
						|
    wxDECLARE_NO_COPY_CLASS(wxDCClipper);
 | 
						|
};
 | 
						|
 | 
						|
// ----------------------------------------------------------------------------
 | 
						|
// helper class: you can use it to temporarily change the DC font and
 | 
						|
// restore it automatically when the object goes out of scope
 | 
						|
// ----------------------------------------------------------------------------
 | 
						|
 | 
						|
class WXDLLIMPEXP_CORE wxDCFontChanger
 | 
						|
{
 | 
						|
public:
 | 
						|
    wxDCFontChanger(wxDC& dc)
 | 
						|
        : m_dc(dc), m_fontOld()
 | 
						|
    {
 | 
						|
    }
 | 
						|
 | 
						|
    wxDCFontChanger(wxDC& dc, const wxFont& font)
 | 
						|
        : m_dc(dc), m_fontOld(dc.GetFont())
 | 
						|
    {
 | 
						|
        m_dc.SetFont(font);
 | 
						|
    }
 | 
						|
 | 
						|
    void Set(const wxFont& font)
 | 
						|
    {
 | 
						|
        if ( !m_fontOld.Ok() )
 | 
						|
            m_fontOld = m_dc.GetFont();
 | 
						|
        m_dc.SetFont(font);
 | 
						|
    }
 | 
						|
 | 
						|
    ~wxDCFontChanger()
 | 
						|
    {
 | 
						|
        if ( m_fontOld.Ok() )
 | 
						|
            m_dc.SetFont(m_fontOld);
 | 
						|
    }
 | 
						|
 | 
						|
private:
 | 
						|
    wxDC& m_dc;
 | 
						|
 | 
						|
    wxFont m_fontOld;
 | 
						|
 | 
						|
    wxDECLARE_NO_COPY_CLASS(wxDCFontChanger);
 | 
						|
};
 | 
						|
 | 
						|
 | 
						|
#endif // _WX_DC_H_BASE_
 |