[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
                  );
    ~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);
    ~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
                                    ,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    SetSystemScale( 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 DoGetClippingRegion( wxCoord* pX
                                     ,wxCoord* pY
                                     ,wxCoord* pWidth
                                     ,wxCoord* pHeight)
    {
        GetClippingBox( pX
                       ,pY
                       ,pWidth
                       ,pHeight
                      );
    }

    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	);
	87	~wxDCCacheEntry();
	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);
fb46a9a6 DW	103	~wxDC();
	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
	132	,wxFont* pTheFont = NULL
	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	);
	143	virtual void SetSystemScale( double dX
	144	,double dY
	145	);
	146	virtual void SetLogicalScale( double dX
	147	,double dY
	148	);
	149	virtual void SetLogicalOrigin( wxCoord vX
	150	,wxCoord vY
	151	);
	152	virtual void SetDeviceOrigin( wxCoord vX
	153	,wxCoord vY
	154	);
	155	virtual void SetAxisOrientation( bool bXLeftRight
	156	,bool bYBottomUp
	157	);
	158	virtual void SetLogicalFunction(int nFunction);
1408104d	159
fb46a9a6 DW	160	// implementation from now on
fb46a9a6 DW	161	// --------------------------
54da4255	162
f6bcfd97 BP	163	virtual void SetRop(WXHDC hCdc);
f6bcfd97 BP	164	virtual void SelectOldObjects(WXHDC hDc);
ce44c50e	165
f6bcfd97 BP	166	wxWindow* GetWindow(void) const { return m_pCanvas; }
f6bcfd97 BP	167	void SetWindow(wxWindow* pWin) { m_pCanvas = pWin; }
ce44c50e	168
f6bcfd97 BP	169	WXHDC GetHDC(void) const { return m_hDC; }
	170	void SetHDC( WXHDC hDc
	171	,bool bOwnsDC = FALSE
	172	)
ce44c50e	173	{
f6bcfd97	174	m_hDC = hDc;
ce44c50e DW	175	m_bOwnsDC = bOwnsDC;
	176	}
	177
d8fcb5e8 DW	178	HPS GetHPS(void) const { return m_hPS; }
	179	void SetHPS(HPS hPS)
	180	{
d8fcb5e8 DW	181	m_hPS = hPS;
d8fcb5e8 DW	182	}
f6bcfd97 BP	183	const wxBitmap& GetSelectedBitmap(void) const { return m_vSelectedBitmap; }
	184	wxBitmap& GetSelectedBitmap(void) { return m_vSelectedBitmap; }
	185
210a651b DW	186	void UpdateClipBox();
210a651b DW	187
6835592c DW	188	#if wxUSE_DC_CACHEING
	189	static wxDCCacheEntry* FindBitmapInCache( HPS hPS
	190	,int nWidth
	191	,int nHeight
	192	);
	193	static wxDCCacheEntry* FindDCInCache( wxDCCacheEntry* pNotThis
	194	,HPS hPS
	195	);
	196
	197	static void AddToBitmapCache(wxDCCacheEntry* pEntry);
	198	static void AddToDCCache(wxDCCacheEntry* pEntry);
	199	static void ClearCache(void);
	200	#endif
	201
1408104d	202	protected:
1d0edc0f	203	virtual bool DoFloodFill( wxCoord vX
f6bcfd97 BP	204	,wxCoord vY
	205	,const wxColour& rCol
	206	,int nStyle = wxFLOOD_SURFACE
	207	);
	208
	209	virtual bool DoGetPixel( wxCoord vX
	210	,wxCoord vY
	211	,wxColour* pCol
	212	) const;
	213
	214	virtual void DoDrawPoint( wxCoord vX
	215	,wxCoord vY
	216	);
	217	virtual void DoDrawLine( wxCoord vX1
	218	,wxCoord vY1
	219	,wxCoord vX2
	220	,wxCoord vY2
	221	);
	222
	223	virtual void DoDrawArc( wxCoord vX1
	224	,wxCoord vY1
	225	,wxCoord vX2
	226	,wxCoord vY2
	227	,wxCoord vXc
	228	,wxCoord vYc
	229	);
	230	virtual void DoDrawCheckMark( wxCoord vX
	231	,wxCoord vY
	232	,wxCoord vWidth
	233	,wxCoord vHeight
	234	);
	235	virtual void DoDrawEllipticArc( wxCoord vX
	236	,wxCoord vY
	237	,wxCoord vW
	238	,wxCoord vH
	239	,double dSa
	240	,double dEa
	241	);
	242
	243	virtual void DoDrawRectangle( wxCoord vX
	244	,wxCoord vY
	245	,wxCoord vWidth
	246	,wxCoord vHeight
	247	);
	248	virtual void DoDrawRoundedRectangle( wxCoord vX
	249	,wxCoord vY
	250	,wxCoord vWidth
	251	,wxCoord vHeight
	252	,double dRadius
	253	);
	254	virtual void DoDrawEllipse( wxCoord vX
	255	,wxCoord vY
	256	,wxCoord vWidth
	257	,wxCoord vHeight
	258	);
	259
	260	virtual void DoCrossHair( wxCoord vX
	261	,wxCoord vY
	262	);
	263
	264	virtual void DoDrawIcon( const wxIcon& rIcon
	265	,wxCoord vX
	266	,wxCoord vY
	267	);
268	virtual void DoDrawBitmap( const wxBitmap& rBmp
269	,wxCoord vX
270	,wxCoord vY
271	,bool bUseMask = FALSE
272	);
273
274	virtual void DoDrawText( const wxString& rsText
275	,wxCoord vX
276	,wxCoord vY
277	);
278	virtual void DoDrawRotatedText( const wxString& rsText
279	,wxCoord vX
280	,wxCoord vY
281	,double dAngle
282	);
283
284	virtual bool DoBlit( wxCoord vXdest
285	,wxCoord vYdest
286	,wxCoord vWidth
287	,wxCoord vHeight
288	,wxDC* pSource
289	,wxCoord vXsrc
290	,wxCoord vYsrc
291	,int nRop = wxCOPY
292	,bool bUseMask = FALSE
6835592c DW	293	,wxCoord vXsrcMask = -1
6835592c DW	294	,wxCoord vYsrcMask = -1
f6bcfd97 BP	295	);
	296
	297	virtual void DoSetClippingRegionAsRegion(const wxRegion& rRegion);
	298	virtual void DoSetClippingRegion( wxCoord vX
	299	,wxCoord vY
	300	,wxCoord vWidth
	301	,wxCoord vHeight
	302	);
	303	virtual void DoGetClippingRegion( wxCoord* pX
	304	,wxCoord* pY
	305	,wxCoord* pWidth
	306	,wxCoord* pHeight)
fb46a9a6	307	{
f6bcfd97 BP	308	GetClippingBox( pX
	309	,pY
	310	,pWidth
	311	,pHeight
	312	);
fb46a9a6	313	}
1408104d	314
f6bcfd97 BP	315	virtual void DoGetSize( int* pWidth
	316	,int* pHeight
	317	) const;
	318	virtual void DoGetSizeMM( int* pWidth
	319	,int* pHeight
	320	) const;
	321
	322	virtual void DoDrawLines( int n
	323	,wxPoint vaPoints[]
	324	,wxCoord vXoffset
	325	,wxCoord yYoffset
	326	);
	327	virtual void DoDrawPolygon( int n
	328	,wxPoint vaPoints[]
	329	,wxCoord vXoffset
	330	,wxCoord vYoffset
	331	,int nFillStyle = wxODDEVEN_RULE
	332	);
fb46a9a6	333
938aa9c4 DW	334	#if wxUSE_PALETTE
	335	void DoSelectPalette(bool bRealize = FALSE);
	336	void InitializePalette(void);
	337	#endif // wxUSE_PALETTE
fb46a9a6	338
f6bcfd97 BP	339	//
	340	// common part of DoDrawText() and DoDrawRotatedText()
	341	//
	342	void DrawAnyText( const wxString& rsText
	343	,wxCoord vX
	344	,wxCoord vY
	345	);
fb46a9a6	346
f6bcfd97 BP	347	// OS2-specific member variables ?? do we even need this under OS/2?
	348	int m_nWindowExtX;
	349	int m_nWindowExtY;
1408104d	350
f6bcfd97 BP	351	//
	352	// the window associated with this DC (may be NULL)
	353	//
	354	wxWindow* m_pCanvas;
	355	wxBitmap m_vSelectedBitmap;
1408104d	356
d7e1a322 DW	357	public:
	358	// PM specific stuff
	359	HPS m_hPS;
	360	HPS m_hOldPS; // old hPS, if any
	361	bool m_bIsPaintTime;// True at Paint Time
	362
	363	RECTL m_vRclPaint; // Bounding rectangle at Paint time etc.
f6bcfd97	364	//
fb46a9a6	365	// TRUE => DeleteDC() in dtor, FALSE => only ReleaseDC() it
f6bcfd97 BP	366	//
f6bcfd97 BP	367	bool m_bOwnsDC:1;
fb46a9a6	368
f6bcfd97	369	//
ac7fb818	370	// our HDC
f6bcfd97 BP	371	//
f6bcfd97 BP	372	WXHDC m_hDC;
1408104d	373
f6bcfd97	374	//
1408104d DW	375	// Store all old GDI objects when do a SelectObject, so we can select them
	376	// back in (this unselecting user's objects) so we can safely delete the
	377	// DC.
f6bcfd97 BP	378	//
	379	WXHBITMAP m_hOldBitmap;
	380	WXHPEN m_hOldPen;
	381	WXHBRUSH m_hOldBrush;
	382	WXHFONT m_hOldFont;
	383	WXHPALETTE m_hOldPalette;
6835592c DW	384
	385	#if wxUSE_DC_CACHEING
	386	static wxList m_svBitmapCache;
	387	static wxList m_svDCCache;
	388	#endif
	389	}; // end of CLASS wxDC
0e320a79 DW	390	#endif
0e320a79 DW	391	// _WX_DC_H_