[wxWidgets.git] / include / wx / os2 / dc.h

/////////////////////////////////////////////////////////////////////////////
// Name:        dc.h
// Purpose:     wxDC class
// Author:      David Webster
// Modified by:
// Created:     08/26/99
// RCS-ID:      $Id$
// Copyright:   (c) David Webster
// Licence:     wxWindows licence
/////////////////////////////////////////////////////////////////////////////

#ifndef _WX_DC_H_
#define _WX_DC_H_

#include "wx/defs.h"

// ---------------------------------------------------------------------------
// macros
// ---------------------------------------------------------------------------

// Logical to device
// Absolute
#define XLOG2DEV(x) (x)
#define YLOG2DEV(y) (y)

// Relative
#define XLOG2DEVREL(x) (x)
#define YLOG2DEVREL(y) (y)

// Device to logical
// Absolute
#define XDEV2LOG(x) (x)

#define YDEV2LOG(y) (y)

// Relative
#define XDEV2LOGREL(x) (x)
#define YDEV2LOGREL(y) (y)

/*
 * Have the same macros as for XView but not for every operation:
 * just for calculating window/viewport extent (a better way of scaling).
 */

// Logical to device
// Absolute
#define MS_XLOG2DEV(x) LogicalToDevice(x)

#define MS_YLOG2DEV(y) LogicalToDevice(y)

// Relative
#define MS_XLOG2DEVREL(x) LogicalToDeviceXRel(x)
#define MS_YLOG2DEVREL(y) LogicalToDeviceYRel(y)

// Device to logical
// Absolute
#define MS_XDEV2LOG(x) DeviceToLogicalX(x)

#define MS_YDEV2LOG(y) DeviceToLogicalY(y)

// Relative
#define MS_XDEV2LOGREL(x) DeviceToLogicalXRel(x)
#define MS_YDEV2LOGREL(y) DeviceToLogicalYRel(y)

#define YSCALE(y) (yorigin - (y))

#define     wx_round(a)    (int)((a)+.5)

#if wxUSE_DC_CACHEING
/*
 * Cached blitting, maintaining a cache
 * of bitmaps required for transparent blitting
 * instead of constant creation/deletion
 */

class wxDCCacheEntry : public wxObject
{
public:
    wxDCCacheEntry( WXHBITMAP hBitmap
                   ,int       nWidth
                   ,int       nHeight
                   ,int       nDepth
                  );
    wxDCCacheEntry( HPS   hPS
                   ,int   nDepth
                  );
    virtual ~wxDCCacheEntry();

    WXHBITMAP                       m_hBitmap;
    HPS                             m_hPS;
    int                             m_nWidth;
    int                             m_nHeight;
    int                             m_nDepth;
}; // end of CLASS wxDCCacheEntry
#endif

class WXDLLEXPORT wxDC : public wxDCBase
{
    DECLARE_DYNAMIC_CLASS(wxDC)

public:
    wxDC(void);
    virtual ~wxDC();

    // implement base class pure virtuals
    // ----------------------------------

    virtual void Clear(void);

    virtual bool    StartDoc(const wxString& rsMessage);
    virtual void    EndDoc(void);

    virtual void    StartPage(void);
    virtual void    EndPage(void);

    virtual void    SetFont(const wxFont& rFont);
    virtual void    SetPen(const wxPen& rPen);
    virtual void    SetBrush(const wxBrush& rBrush);
    virtual void    SetBackground(const wxBrush& rBrush);
    virtual void    SetBackgroundMode(int nMode);
    virtual void    SetPalette(const wxPalette& rPalette);

    virtual void    DestroyClippingRegion(void);

    virtual wxCoord GetCharHeight(void) const;
    virtual wxCoord GetCharWidth(void) const;
    virtual void    DoGetTextExtent( const wxString& rsString
                                    ,wxCoord*        pX
                                    ,wxCoord*        pY
                                    ,wxCoord*        pDescent = NULL
                                    ,wxCoord*        pExternalLeading = NULL
                                    ,const wxFont*   pTheFont = NULL
                                   ) const;
    virtual bool    CanDrawBitmap(void) const;
    virtual bool    CanGetTextExtent(void) const;
    virtual int     GetDepth(void) const;
    virtual wxSize  GetPPI(void) const;

    virtual void    SetMapMode(int nMode);
    virtual void    SetUserScale( double dX
                                 ,double dY
                                );
    virtual void    SetLogicalScale( double dX
                                    ,double dY
                                   );
    virtual void    SetLogicalOrigin( wxCoord vX
                                     ,wxCoord vY
                                    );
    virtual void    SetDeviceOrigin( wxCoord vX
                                    ,wxCoord vY
                                   );
    virtual void    SetAxisOrientation( bool bXLeftRight
                                       ,bool bYBottomUp
                                      );
    virtual void    SetLogicalFunction(int nFunction);

    // implementation from now on
    // --------------------------

    virtual void    SetRop(WXHDC hCdc);
    virtual void    SelectOldObjects(WXHDC hDc);

    wxWindow*       GetWindow(void) const { return m_pCanvas; }
    void            SetWindow(wxWindow* pWin) { m_pCanvas = pWin; }

    WXHDC           GetHDC(void) const { return m_hDC; }
    void            SetHDC( WXHDC hDc
                           ,bool  bOwnsDC = FALSE
                          )
    {
        m_hDC = hDc;
        m_bOwnsDC = bOwnsDC;
    }

    HPS             GetHPS(void) const { return m_hPS; }
    void            SetHPS(HPS hPS)
    {
        m_hPS = hPS;
    }
    const wxBitmap& GetSelectedBitmap(void) const { return m_vSelectedBitmap; }
    wxBitmap&       GetSelectedBitmap(void) { return m_vSelectedBitmap; }

    void            UpdateClipBox();

#if wxUSE_DC_CACHEING
    static wxDCCacheEntry* FindBitmapInCache( HPS hPS
                                             ,int nWidth
                                             ,int nHeight
                                            );
    static wxDCCacheEntry* FindDCInCache( wxDCCacheEntry* pNotThis
                                         ,HPS             hPS
                                        );

    static void AddToBitmapCache(wxDCCacheEntry* pEntry);
    static void AddToDCCache(wxDCCacheEntry* pEntry);
    static void ClearCache(void);
#endif

protected:
    virtual bool DoFloodFill( wxCoord         vX
                             ,wxCoord         vY
                             ,const wxColour& rCol
                             ,int             nStyle = wxFLOOD_SURFACE
                            );

    virtual bool DoGetPixel( wxCoord   vX
                            ,wxCoord   vY
                            ,wxColour* pCol
                           ) const;

    virtual void DoDrawPoint( wxCoord vX
                             ,wxCoord vY
                            );
    virtual void DoDrawLine( wxCoord vX1
                            ,wxCoord vY1
                            ,wxCoord vX2
                            ,wxCoord vY2
                           );

    virtual void DoDrawArc( wxCoord vX1
                           ,wxCoord vY1
                           ,wxCoord vX2
                           ,wxCoord vY2
                           ,wxCoord vXc
                           ,wxCoord vYc
                          );
    virtual void DoDrawCheckMark( wxCoord vX
                                 ,wxCoord vY
                                 ,wxCoord vWidth
                                 ,wxCoord vHeight
                                );
    virtual void DoDrawEllipticArc( wxCoord vX
                                   ,wxCoord vY
                                   ,wxCoord vW
                                   ,wxCoord vH
                                   ,double  dSa
                                   ,double  dEa
                                  );

    virtual void DoDrawRectangle( wxCoord vX
                                 ,wxCoord vY
                                 ,wxCoord vWidth
                                 ,wxCoord vHeight
                                );
    virtual void DoDrawRoundedRectangle( wxCoord vX
                                        ,wxCoord vY
                                        ,wxCoord vWidth
                                        ,wxCoord vHeight
                                        ,double  dRadius
                                       );
    virtual void DoDrawEllipse( wxCoord vX
                               ,wxCoord vY
                               ,wxCoord vWidth
                               ,wxCoord vHeight
                              );

    virtual void DoCrossHair( wxCoord vX
                             ,wxCoord vY
                            );

    virtual void DoDrawIcon( const wxIcon& rIcon
                            ,wxCoord       vX
                            ,wxCoord       vY
                           );
    virtual void DoDrawBitmap( const wxBitmap& rBmp
                              ,wxCoord         vX
                              ,wxCoord         vY
                              ,bool            bUseMask = FALSE
                             );

    virtual void DoDrawText( const wxString& rsText
                            ,wxCoord         vX
                            ,wxCoord         vY
                           );
    virtual void DoDrawRotatedText( const wxString& rsText
                                   ,wxCoord         vX
                                   ,wxCoord         vY
                                   ,double          dAngle
                                  );

    virtual bool DoBlit( wxCoord vXdest
                        ,wxCoord vYdest
                        ,wxCoord vWidth
                        ,wxCoord vHeight
                        ,wxDC*   pSource
                        ,wxCoord vXsrc
                        ,wxCoord vYsrc
                        ,int     nRop = wxCOPY
                        ,bool    bUseMask = FALSE
                        ,wxCoord vXsrcMask = -1
                        ,wxCoord vYsrcMask = -1
                       );

    virtual void DoSetClippingRegionAsRegion(const wxRegion& rRegion);
    virtual void DoSetClippingRegion( wxCoord vX
                                     ,wxCoord vY
                                     ,wxCoord vWidth
                                     ,wxCoord vHeight
                                    );

    virtual void DoGetSize( int* pWidth
                           ,int* pHeight
                          ) const;
    virtual void DoGetSizeMM( int* pWidth
                             ,int* pHeight
                            ) const;

    virtual void DoDrawLines( int     n
                             ,wxPoint vaPoints[]
                             ,wxCoord vXoffset
                             ,wxCoord yYoffset
                            );
    virtual void DoDrawPolygon( int     n
                               ,wxPoint vaPoints[]
                               ,wxCoord vXoffset
                               ,wxCoord vYoffset
                               ,int     nFillStyle = wxODDEVEN_RULE
                              );

#if wxUSE_PALETTE
    void DoSelectPalette(bool bRealize = FALSE);
    void InitializePalette(void);
#endif // wxUSE_PALETTE

    //
    // common part of DoDrawText() and DoDrawRotatedText()
    //
    void DrawAnyText( const wxString& rsText
                     ,wxCoord         vX
                     ,wxCoord         vY
                    );

    // OS2-specific member variables ?? do we even need this under OS/2?
    int                             m_nWindowExtX;
    int                             m_nWindowExtY;

    //
    // the window associated with this DC (may be NULL)
    //
    wxWindow*                       m_pCanvas;
    wxBitmap                        m_vSelectedBitmap;

public:
    // PM specific stuff
    HPS                             m_hPS;
    HPS                             m_hOldPS;   // old hPS, if any
    bool                            m_bIsPaintTime;// True at Paint Time

    RECTL                           m_vRclPaint; // Bounding rectangle at Paint time etc.
    //
    // TRUE => DeleteDC() in dtor, FALSE => only ReleaseDC() it
    //
    bool                            m_bOwnsDC:1;

    //
    // our HDC
    //
    WXHDC                           m_hDC;

    //
    // Store all old GDI objects when do a SelectObject, so we can select them
    // back in (this unselecting user's objects) so we can safely delete the
    // DC.
    //
    WXHBITMAP                       m_hOldBitmap;
    WXHPEN                          m_hOldPen;
    WXHBRUSH                        m_hOldBrush;
    WXHFONT                         m_hOldFont;
    WXHPALETTE                      m_hOldPalette;

#if wxUSE_DC_CACHEING
    static wxList                   m_svBitmapCache;
    static wxList                   m_svDCCache;
#endif
}; // end of CLASS wxDC
#endif
    // _WX_DC_H_
Commit	Line	Data
0e320a79 DW	1	/////////////////////////////////////////////////////////////////////////////
	2	// Name: dc.h
	3	// Purpose: wxDC class
f0a56ab0	4	// Author: David Webster
0e320a79	5	// Modified by:
f0a56ab0	6	// Created: 08/26/99
0e320a79	7	// RCS-ID: $Id$
f0a56ab0	8	// Copyright: (c) David Webster
65571936	9	// Licence: wxWindows licence
0e320a79 DW	10	/////////////////////////////////////////////////////////////////////////////
	11
	12	#ifndef _WX_DC_H_
	13	#define _WX_DC_H_
	14
fb46a9a6	15	#include "wx/defs.h"
0e320a79	16
fb46a9a6 DW	17	// ---------------------------------------------------------------------------
	18	// macros
	19	// ---------------------------------------------------------------------------
	20
	21	// Logical to device
	22	// Absolute
	23	#define XLOG2DEV(x) (x)
	24	#define YLOG2DEV(y) (y)
	25
	26	// Relative
	27	#define XLOG2DEVREL(x) (x)
	28	#define YLOG2DEVREL(y) (y)
	29
	30	// Device to logical
	31	// Absolute
	32	#define XDEV2LOG(x) (x)
	33
	34	#define YDEV2LOG(y) (y)
	35
	36	// Relative
	37	#define XDEV2LOGREL(x) (x)
	38	#define YDEV2LOGREL(y) (y)
	39
	40	/*
	41	* Have the same macros as for XView but not for every operation:
	42	* just for calculating window/viewport extent (a better way of scaling).
	43	*/
	44
	45	// Logical to device
	46	// Absolute
	47	#define MS_XLOG2DEV(x) LogicalToDevice(x)
	48
	49	#define MS_YLOG2DEV(y) LogicalToDevice(y)
	50
	51	// Relative
	52	#define MS_XLOG2DEVREL(x) LogicalToDeviceXRel(x)
	53	#define MS_YLOG2DEVREL(y) LogicalToDeviceYRel(y)
	54
	55	// Device to logical
	56	// Absolute
	57	#define MS_XDEV2LOG(x) DeviceToLogicalX(x)
	58
	59	#define MS_YDEV2LOG(y) DeviceToLogicalY(y)
0e320a79	60
fb46a9a6 DW	61	// Relative
	62	#define MS_XDEV2LOGREL(x) DeviceToLogicalXRel(x)
	63	#define MS_YDEV2LOGREL(y) DeviceToLogicalYRel(y)
0e320a79	64
fb46a9a6	65	#define YSCALE(y) (yorigin - (y))
0e320a79	66
fb46a9a6	67	#define wx_round(a) (int)((a)+.5)
0e320a79	68
6835592c DW	69	#if wxUSE_DC_CACHEING
	70	/*
	71	* Cached blitting, maintaining a cache
	72	* of bitmaps required for transparent blitting
	73	* instead of constant creation/deletion
	74	*/
	75
	76	class wxDCCacheEntry : public wxObject
	77	{
	78	public:
	79	wxDCCacheEntry( WXHBITMAP hBitmap
	80	,int nWidth
	81	,int nHeight
	82	,int nDepth
	83	);
	84	wxDCCacheEntry( HPS hPS
	85	,int nDepth
	86	);
d3c7fc99	87	virtual ~wxDCCacheEntry();
6835592c DW	88
	89	WXHBITMAP m_hBitmap;
	90	HPS m_hPS;
	91	int m_nWidth;
	92	int m_nHeight;
	93	int m_nDepth;
	94	}; // end of CLASS wxDCCacheEntry
	95	#endif
	96
fb46a9a6	97	class WXDLLEXPORT wxDC : public wxDCBase
54da4255	98	{
fb46a9a6	99	DECLARE_DYNAMIC_CLASS(wxDC)
54da4255	100
fb46a9a6	101	public:
d7e1a322	102	wxDC(void);
d3c7fc99	103	virtual ~wxDC();
fb46a9a6 DW	104
	105	// implement base class pure virtuals
	106	// ----------------------------------
	107
f6bcfd97 BP	108	virtual void Clear(void);
	109
	110	virtual bool StartDoc(const wxString& rsMessage);
	111	virtual void EndDoc(void);
	112
	113	virtual void StartPage(void);
	114	virtual void EndPage(void);
	115
	116	virtual void SetFont(const wxFont& rFont);
	117	virtual void SetPen(const wxPen& rPen);
	118	virtual void SetBrush(const wxBrush& rBrush);
	119	virtual void SetBackground(const wxBrush& rBrush);
	120	virtual void SetBackgroundMode(int nMode);
	121	virtual void SetPalette(const wxPalette& rPalette);
	122
	123	virtual void DestroyClippingRegion(void);
	124
	125	virtual wxCoord GetCharHeight(void) const;
	126	virtual wxCoord GetCharWidth(void) const;
	127	virtual void DoGetTextExtent( const wxString& rsString
	128	,wxCoord* pX
	129	,wxCoord* pY
	130	,wxCoord* pDescent = NULL
	131	,wxCoord* pExternalLeading = NULL
951f68d0	132	,const wxFont* pTheFont = NULL
f6bcfd97 BP	133	) const;
	134	virtual bool CanDrawBitmap(void) const;
	135	virtual bool CanGetTextExtent(void) const;
	136	virtual int GetDepth(void) const;
	137	virtual wxSize GetPPI(void) const;
	138
	139	virtual void SetMapMode(int nMode);
	140	virtual void SetUserScale( double dX
	141	,double dY
	142	);
f6bcfd97 BP	143	virtual void SetLogicalScale( double dX
	144	,double dY
	145	);
	146	virtual void SetLogicalOrigin( wxCoord vX
	147	,wxCoord vY
	148	);
	149	virtual void SetDeviceOrigin( wxCoord vX
	150	,wxCoord vY
	151	);
	152	virtual void SetAxisOrientation( bool bXLeftRight
	153	,bool bYBottomUp
	154	);
	155	virtual void SetLogicalFunction(int nFunction);
1408104d	156
fb46a9a6 DW	157	// implementation from now on
fb46a9a6 DW	158	// --------------------------
54da4255	159
f6bcfd97 BP	160	virtual void SetRop(WXHDC hCdc);
f6bcfd97 BP	161	virtual void SelectOldObjects(WXHDC hDc);
ce44c50e	162
f6bcfd97 BP	163	wxWindow* GetWindow(void) const { return m_pCanvas; }
f6bcfd97 BP	164	void SetWindow(wxWindow* pWin) { m_pCanvas = pWin; }
ce44c50e	165
f6bcfd97 BP	166	WXHDC GetHDC(void) const { return m_hDC; }
	167	void SetHDC( WXHDC hDc
	168	,bool bOwnsDC = FALSE
	169	)
ce44c50e	170	{
f6bcfd97	171	m_hDC = hDc;
ce44c50e DW	172	m_bOwnsDC = bOwnsDC;
	173	}
	174
d8fcb5e8 DW	175	HPS GetHPS(void) const { return m_hPS; }
	176	void SetHPS(HPS hPS)
	177	{
d8fcb5e8 DW	178	m_hPS = hPS;
d8fcb5e8 DW	179	}
f6bcfd97 BP	180	const wxBitmap& GetSelectedBitmap(void) const { return m_vSelectedBitmap; }
	181	wxBitmap& GetSelectedBitmap(void) { return m_vSelectedBitmap; }
	182
210a651b DW	183	void UpdateClipBox();
210a651b DW	184
6835592c DW	185	#if wxUSE_DC_CACHEING
	186	static wxDCCacheEntry* FindBitmapInCache( HPS hPS
	187	,int nWidth
	188	,int nHeight
	189	);
	190	static wxDCCacheEntry* FindDCInCache( wxDCCacheEntry* pNotThis
	191	,HPS hPS
	192	);
	193
	194	static void AddToBitmapCache(wxDCCacheEntry* pEntry);
	195	static void AddToDCCache(wxDCCacheEntry* pEntry);
	196	static void ClearCache(void);
	197	#endif
	198
1408104d	199	protected:
1d0edc0f	200	virtual bool DoFloodFill( wxCoord vX
f6bcfd97 BP	201	,wxCoord vY
	202	,const wxColour& rCol
	203	,int nStyle = wxFLOOD_SURFACE
	204	);
	205
	206	virtual bool DoGetPixel( wxCoord vX
	207	,wxCoord vY
	208	,wxColour* pCol
	209	) const;
	210
	211	virtual void DoDrawPoint( wxCoord vX
	212	,wxCoord vY
	213	);
	214	virtual void DoDrawLine( wxCoord vX1
	215	,wxCoord vY1
	216	,wxCoord vX2
	217	,wxCoord vY2
	218	);
	219
	220	virtual void DoDrawArc( wxCoord vX1
	221	,wxCoord vY1
	222	,wxCoord vX2
	223	,wxCoord vY2
	224	,wxCoord vXc
	225	,wxCoord vYc
	226	);
	227	virtual void DoDrawCheckMark( wxCoord vX
	228	,wxCoord vY
	229	,wxCoord vWidth
	230	,wxCoord vHeight
	231	);
	232	virtual void DoDrawEllipticArc( wxCoord vX
	233	,wxCoord vY
	234	,wxCoord vW
	235	,wxCoord vH
	236	,double dSa
	237	,double dEa
	238	);
	239
	240	virtual void DoDrawRectangle( wxCoord vX
	241	,wxCoord vY
	242	,wxCoord vWidth
	243	,wxCoord vHeight
	244	);
	245	virtual void DoDrawRoundedRectangle( wxCoord vX
	246	,wxCoord vY
	247	,wxCoord vWidth
	248	,wxCoord vHeight
	249	,double dRadius
	250	);
	251	virtual void DoDrawEllipse( wxCoord vX
	252	,wxCoord vY
	253	,wxCoord vWidth
	254	,wxCoord vHeight
	255	);
	256
	257	virtual void DoCrossHair( wxCoord vX
	258	,wxCoord vY
	259	);
	260
	261	virtual void DoDrawIcon( const wxIcon& rIcon
	262	,wxCoord vX
	263	,wxCoord vY
	264	);
265	virtual void DoDrawBitmap( const wxBitmap& rBmp
266	,wxCoord vX
267	,wxCoord vY
268	,bool bUseMask = FALSE
269	);
270
271	virtual void DoDrawText( const wxString& rsText
272	,wxCoord vX
273	,wxCoord vY
274	);
275	virtual void DoDrawRotatedText( const wxString& rsText
276	,wxCoord vX
277	,wxCoord vY
278	,double dAngle
279	);
280
281	virtual bool DoBlit( wxCoord vXdest
282	,wxCoord vYdest
283	,wxCoord vWidth
284	,wxCoord vHeight
285	,wxDC* pSource
286	,wxCoord vXsrc
287	,wxCoord vYsrc
288	,int nRop = wxCOPY
289	,bool bUseMask = FALSE
6835592c DW	290	,wxCoord vXsrcMask = -1
6835592c DW	291	,wxCoord vYsrcMask = -1
f6bcfd97 BP	292	);
	293
	294	virtual void DoSetClippingRegionAsRegion(const wxRegion& rRegion);
	295	virtual void DoSetClippingRegion( wxCoord vX
	296	,wxCoord vY
	297	,wxCoord vWidth
	298	,wxCoord vHeight
	299	);
1408104d	300
f6bcfd97 BP	301	virtual void DoGetSize( int* pWidth
	302	,int* pHeight
	303	) const;
	304	virtual void DoGetSizeMM( int* pWidth
	305	,int* pHeight
	306	) const;
	307
	308	virtual void DoDrawLines( int n
	309	,wxPoint vaPoints[]
	310	,wxCoord vXoffset
	311	,wxCoord yYoffset
	312	);
	313	virtual void DoDrawPolygon( int n
	314	,wxPoint vaPoints[]
	315	,wxCoord vXoffset
	316	,wxCoord vYoffset
	317	,int nFillStyle = wxODDEVEN_RULE
	318	);
fb46a9a6	319
938aa9c4 DW	320	#if wxUSE_PALETTE
	321	void DoSelectPalette(bool bRealize = FALSE);
	322	void InitializePalette(void);
	323	#endif // wxUSE_PALETTE
fb46a9a6	324
f6bcfd97 BP	325	//
	326	// common part of DoDrawText() and DoDrawRotatedText()
	327	//
	328	void DrawAnyText( const wxString& rsText
	329	,wxCoord vX
	330	,wxCoord vY
	331	);
fb46a9a6	332
f6bcfd97 BP	333	// OS2-specific member variables ?? do we even need this under OS/2?
	334	int m_nWindowExtX;
	335	int m_nWindowExtY;
1408104d	336
f6bcfd97 BP	337	//
	338	// the window associated with this DC (may be NULL)
	339	//
	340	wxWindow* m_pCanvas;
	341	wxBitmap m_vSelectedBitmap;
1408104d	342
d7e1a322 DW	343	public:
	344	// PM specific stuff
	345	HPS m_hPS;
	346	HPS m_hOldPS; // old hPS, if any
	347	bool m_bIsPaintTime;// True at Paint Time
	348
	349	RECTL m_vRclPaint; // Bounding rectangle at Paint time etc.
f6bcfd97	350	//
fb46a9a6	351	// TRUE => DeleteDC() in dtor, FALSE => only ReleaseDC() it
f6bcfd97 BP	352	//
f6bcfd97 BP	353	bool m_bOwnsDC:1;
fb46a9a6	354
f6bcfd97	355	//
ac7fb818	356	// our HDC
f6bcfd97 BP	357	//
f6bcfd97 BP	358	WXHDC m_hDC;
1408104d	359
f6bcfd97	360	//
1408104d DW	361	// Store all old GDI objects when do a SelectObject, so we can select them
	362	// back in (this unselecting user's objects) so we can safely delete the
	363	// DC.
f6bcfd97 BP	364	//
	365	WXHBITMAP m_hOldBitmap;
	366	WXHPEN m_hOldPen;
	367	WXHBRUSH m_hOldBrush;
	368	WXHFONT m_hOldFont;
	369	WXHPALETTE m_hOldPalette;
6835592c DW	370
	371	#if wxUSE_DC_CACHEING
	372	static wxList m_svBitmapCache;
	373	static wxList m_svDCCache;
	374	#endif
	375	}; // end of CLASS wxDC
0e320a79 DW	376	#endif
0e320a79 DW	377	// _WX_DC_H_