[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"
#include "wx/dc.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

// this is an ABC: use one of the derived classes to create a DC associated
// with a window, screen, printer and so on
class WXDLLIMPEXP_CORE wxPMDCImpl : public wxDCImpl
{
    DECLARE_DYNAMIC_CLASS(wxDC)

public:
    wxPMDCImpl(wxDC *owner, WXHDC hDC);
    virtual ~wxPMDCImpl();

    // 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 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:
    void Init()
    {
	m_pCanvas      = NULL;
	m_hOldBitmap   = 0;
	m_hOldPen      = 0;
	m_hOldBrush    = 0;
	m_hOldFont     = 0;
#if wxUSE_PALETTE
        m_hOldPalette  = 0;
#endif // wxUSE_PALETTE

	m_bOwnsDC      = false;
	m_hDC          = 0;
	m_hOldPS       = NULL;
	m_hPS          = NULL;
	m_bIsPaintTime = false; // True at Paint Time

	m_pen.SetColour(*wxBLACK);
	m_brush.SetColour(*wxWHITE);
    }

    // create an uninitialized DC: this should be only used by the derived
    // classes
    wxPMDCImpl( wxDC *owner ) : wxDCImpl( owner ) { Init(); }

public:
    virtual void    DoGetTextExtent( const wxString& rsString
                                    ,wxCoord*        pX
                                    ,wxCoord*        pY
                                    ,wxCoord*        pDescent = NULL
                                    ,wxCoord*        pExternalLeading = NULL
                                    ,const wxFont*   pTheFont = NULL
                                   ) const;
    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

protected:
    //
    // 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"
2c24e7ad	16	#include "wx/dc.h"
0e320a79	17
fb46a9a6 DW	18	// ---------------------------------------------------------------------------
	19	// macros
	20	// ---------------------------------------------------------------------------
	21
	22	// Logical to device
	23	// Absolute
	24	#define XLOG2DEV(x) (x)
	25	#define YLOG2DEV(y) (y)
	26
	27	// Relative
	28	#define XLOG2DEVREL(x) (x)
	29	#define YLOG2DEVREL(y) (y)
	30
	31	// Device to logical
	32	// Absolute
	33	#define XDEV2LOG(x) (x)
	34
	35	#define YDEV2LOG(y) (y)
	36
	37	// Relative
	38	#define XDEV2LOGREL(x) (x)
	39	#define YDEV2LOGREL(y) (y)
	40
	41	/*
	42	* Have the same macros as for XView but not for every operation:
	43	* just for calculating window/viewport extent (a better way of scaling).
	44	*/
	45
	46	// Logical to device
	47	// Absolute
	48	#define MS_XLOG2DEV(x) LogicalToDevice(x)
	49
	50	#define MS_YLOG2DEV(y) LogicalToDevice(y)
	51
	52	// Relative
	53	#define MS_XLOG2DEVREL(x) LogicalToDeviceXRel(x)
	54	#define MS_YLOG2DEVREL(y) LogicalToDeviceYRel(y)
	55
	56	// Device to logical
	57	// Absolute
	58	#define MS_XDEV2LOG(x) DeviceToLogicalX(x)
	59
	60	#define MS_YDEV2LOG(y) DeviceToLogicalY(y)
0e320a79	61
fb46a9a6 DW	62	// Relative
	63	#define MS_XDEV2LOGREL(x) DeviceToLogicalXRel(x)
	64	#define MS_YDEV2LOGREL(y) DeviceToLogicalYRel(y)
0e320a79	65
fb46a9a6	66	#define YSCALE(y) (yorigin - (y))
0e320a79	67
fb46a9a6	68	#define wx_round(a) (int)((a)+.5)
0e320a79	69
6835592c DW	70	#if wxUSE_DC_CACHEING
	71	/*
	72	* Cached blitting, maintaining a cache
	73	* of bitmaps required for transparent blitting
	74	* instead of constant creation/deletion
	75	*/
	76
	77	class wxDCCacheEntry : public wxObject
	78	{
	79	public:
	80	wxDCCacheEntry( WXHBITMAP hBitmap
	81	,int nWidth
	82	,int nHeight
	83	,int nDepth
	84	);
	85	wxDCCacheEntry( HPS hPS
	86	,int nDepth
	87	);
d3c7fc99	88	virtual ~wxDCCacheEntry();
6835592c DW	89
	90	WXHBITMAP m_hBitmap;
	91	HPS m_hPS;
	92	int m_nWidth;
	93	int m_nHeight;
	94	int m_nDepth;
	95	}; // end of CLASS wxDCCacheEntry
	96	#endif
	97
2c24e7ad SN	98	// this is an ABC: use one of the derived classes to create a DC associated
2c24e7ad SN	99	// with a window, screen, printer and so on
53a2db12	100	class WXDLLIMPEXP_CORE wxPMDCImpl : public wxDCImpl
54da4255	101	{
fb46a9a6	102	DECLARE_DYNAMIC_CLASS(wxDC)
54da4255	103
fb46a9a6	104	public:
2c24e7ad SN	105	wxPMDCImpl(wxDC *owner, WXHDC hDC);
2c24e7ad SN	106	virtual ~wxPMDCImpl();
fb46a9a6 DW	107
	108	// implement base class pure virtuals
	109	// ----------------------------------
	110
f6bcfd97 BP	111	virtual void Clear(void);
	112
	113	virtual bool StartDoc(const wxString& rsMessage);
	114	virtual void EndDoc(void);
	115
	116	virtual void StartPage(void);
	117	virtual void EndPage(void);
	118
	119	virtual void SetFont(const wxFont& rFont);
	120	virtual void SetPen(const wxPen& rPen);
	121	virtual void SetBrush(const wxBrush& rBrush);
	122	virtual void SetBackground(const wxBrush& rBrush);
	123	virtual void SetBackgroundMode(int nMode);
	124	virtual void SetPalette(const wxPalette& rPalette);
	125
	126	virtual void DestroyClippingRegion(void);
	127
	128	virtual wxCoord GetCharHeight(void) const;
	129	virtual wxCoord GetCharWidth(void) const;
2c24e7ad	130
f6bcfd97 BP	131	virtual bool CanDrawBitmap(void) const;
	132	virtual bool CanGetTextExtent(void) const;
	133	virtual int GetDepth(void) const;
	134	virtual wxSize GetPPI(void) const;
	135
	136	virtual void SetMapMode(int nMode);
	137	virtual void SetUserScale( double dX
	138	,double dY
	139	);
f6bcfd97 BP	140	virtual void SetLogicalScale( double dX
	141	,double dY
	142	);
	143	virtual void SetLogicalOrigin( wxCoord vX
	144	,wxCoord vY
	145	);
	146	virtual void SetDeviceOrigin( wxCoord vX
	147	,wxCoord vY
	148	);
	149	virtual void SetAxisOrientation( bool bXLeftRight
	150	,bool bYBottomUp
	151	);
	152	virtual void SetLogicalFunction(int nFunction);
1408104d	153
fb46a9a6 DW	154	// implementation from now on
fb46a9a6 DW	155	// --------------------------
54da4255	156
f6bcfd97 BP	157	virtual void SetRop(WXHDC hCdc);
f6bcfd97 BP	158	virtual void SelectOldObjects(WXHDC hDc);
ce44c50e	159
f6bcfd97 BP	160	wxWindow* GetWindow(void) const { return m_pCanvas; }
f6bcfd97 BP	161	void SetWindow(wxWindow* pWin) { m_pCanvas = pWin; }
ce44c50e	162
f6bcfd97 BP	163	WXHDC GetHDC(void) const { return m_hDC; }
	164	void SetHDC( WXHDC hDc
	165	,bool bOwnsDC = FALSE
	166	)
ce44c50e	167	{
f6bcfd97	168	m_hDC = hDc;
ce44c50e DW	169	m_bOwnsDC = bOwnsDC;
	170	}
	171
d8fcb5e8 DW	172	HPS GetHPS(void) const { return m_hPS; }
	173	void SetHPS(HPS hPS)
	174	{
d8fcb5e8 DW	175	m_hPS = hPS;
d8fcb5e8 DW	176	}
f6bcfd97 BP	177	const wxBitmap& GetSelectedBitmap(void) const { return m_vSelectedBitmap; }
	178	wxBitmap& GetSelectedBitmap(void) { return m_vSelectedBitmap; }
	179
210a651b DW	180	void UpdateClipBox();
210a651b DW	181
6835592c DW	182	#if wxUSE_DC_CACHEING
	183	static wxDCCacheEntry* FindBitmapInCache( HPS hPS
	184	,int nWidth
	185	,int nHeight
	186	);
	187	static wxDCCacheEntry* FindDCInCache( wxDCCacheEntry* pNotThis
	188	,HPS hPS
	189	);
	190
	191	static void AddToBitmapCache(wxDCCacheEntry* pEntry);
	192	static void AddToDCCache(wxDCCacheEntry* pEntry);
	193	static void ClearCache(void);
	194	#endif
	195
1408104d	196	protected:
2c24e7ad SN	197	void Init()
	198	{
	199	m_pCanvas = NULL;
	200	m_hOldBitmap = 0;
	201	m_hOldPen = 0;
	202	m_hOldBrush = 0;
	203	m_hOldFont = 0;
	204	#if wxUSE_PALETTE
	205	m_hOldPalette = 0;
	206	#endif // wxUSE_PALETTE
	207
	208	m_bOwnsDC = false;
	209	m_hDC = 0;
	210	m_hOldPS = NULL;
	211	m_hPS = NULL;
	212	m_bIsPaintTime = false; // True at Paint Time
	213
	214	m_pen.SetColour(*wxBLACK);
	215	m_brush.SetColour(*wxWHITE);
	216	}
	217
	218	// create an uninitialized DC: this should be only used by the derived
	219	// classes
	220	wxPMDCImpl( wxDC *owner ) : wxDCImpl( owner ) { Init(); }
	221
	222	public:
	223	virtual void DoGetTextExtent( const wxString& rsString
	224	,wxCoord* pX
	225	,wxCoord* pY
	226	,wxCoord* pDescent = NULL
	227	,wxCoord* pExternalLeading = NULL
	228	,const wxFont* pTheFont = NULL
	229	) const;
1d0edc0f	230	virtual bool DoFloodFill( wxCoord vX
f6bcfd97 BP	231	,wxCoord vY
	232	,const wxColour& rCol
	233	,int nStyle = wxFLOOD_SURFACE
	234	);
	235
	236	virtual bool DoGetPixel( wxCoord vX
	237	,wxCoord vY
	238	,wxColour* pCol
	239	) const;
	240
	241	virtual void DoDrawPoint( wxCoord vX
	242	,wxCoord vY
	243	);
	244	virtual void DoDrawLine( wxCoord vX1
	245	,wxCoord vY1
	246	,wxCoord vX2
	247	,wxCoord vY2
	248	);
	249
	250	virtual void DoDrawArc( wxCoord vX1
	251	,wxCoord vY1
	252	,wxCoord vX2
	253	,wxCoord vY2
	254	,wxCoord vXc
	255	,wxCoord vYc
	256	);
	257	virtual void DoDrawCheckMark( wxCoord vX
	258	,wxCoord vY
	259	,wxCoord vWidth
	260	,wxCoord vHeight
	261	);
	262	virtual void DoDrawEllipticArc( wxCoord vX
	263	,wxCoord vY
	264	,wxCoord vW
	265	,wxCoord vH
	266	,double dSa
	267	,double dEa
	268	);
	269
	270	virtual void DoDrawRectangle( wxCoord vX
	271	,wxCoord vY
	272	,wxCoord vWidth
	273	,wxCoord vHeight
	274	);
	275	virtual void DoDrawRoundedRectangle( wxCoord vX
	276	,wxCoord vY
	277	,wxCoord vWidth
	278	,wxCoord vHeight
	279	,double dRadius
	280	);
	281	virtual void DoDrawEllipse( wxCoord vX
	282	,wxCoord vY
	283	,wxCoord vWidth
	284	,wxCoord vHeight
	285	);
	286
	287	virtual void DoCrossHair( wxCoord vX
	288	,wxCoord vY
	289	);
	290
	291	virtual void DoDrawIcon( const wxIcon& rIcon
	292	,wxCoord vX
	293	,wxCoord vY
	294	);
295	virtual void DoDrawBitmap( const wxBitmap& rBmp
296	,wxCoord vX
297	,wxCoord vY
298	,bool bUseMask = FALSE
299	);
300
301	virtual void DoDrawText( const wxString& rsText
302	,wxCoord vX
303	,wxCoord vY
304	);
305	virtual void DoDrawRotatedText( const wxString& rsText
306	,wxCoord vX
307	,wxCoord vY
308	,double dAngle
309	);
310
311	virtual bool DoBlit( wxCoord vXdest
312	,wxCoord vYdest
313	,wxCoord vWidth
314	,wxCoord vHeight
315	,wxDC* pSource
316	,wxCoord vXsrc
317	,wxCoord vYsrc
318	,int nRop = wxCOPY
319	,bool bUseMask = FALSE
6835592c DW	320	,wxCoord vXsrcMask = -1
6835592c DW	321	,wxCoord vYsrcMask = -1
f6bcfd97 BP	322	);
	323
	324	virtual void DoSetClippingRegionAsRegion(const wxRegion& rRegion);
	325	virtual void DoSetClippingRegion( wxCoord vX
	326	,wxCoord vY
	327	,wxCoord vWidth
	328	,wxCoord vHeight
	329	);
1408104d	330
f6bcfd97 BP	331	virtual void DoGetSize( int* pWidth
	332	,int* pHeight
	333	) const;
	334	virtual void DoGetSizeMM( int* pWidth
	335	,int* pHeight
	336	) const;
	337
	338	virtual void DoDrawLines( int n
	339	,wxPoint vaPoints[]
	340	,wxCoord vXoffset
	341	,wxCoord yYoffset
	342	);
	343	virtual void DoDrawPolygon( int n
	344	,wxPoint vaPoints[]
	345	,wxCoord vXoffset
	346	,wxCoord vYoffset
	347	,int nFillStyle = wxODDEVEN_RULE
	348	);
fb46a9a6	349
938aa9c4 DW	350	#if wxUSE_PALETTE
	351	void DoSelectPalette(bool bRealize = FALSE);
	352	void InitializePalette(void);
	353	#endif // wxUSE_PALETTE
fb46a9a6	354
2c24e7ad	355	protected:
f6bcfd97 BP	356	//
	357	// common part of DoDrawText() and DoDrawRotatedText()
	358	//
	359	void DrawAnyText( const wxString& rsText
	360	,wxCoord vX
	361	,wxCoord vY
	362	);
fb46a9a6	363
f6bcfd97 BP	364	// OS2-specific member variables ?? do we even need this under OS/2?
	365	int m_nWindowExtX;
	366	int m_nWindowExtY;
1408104d	367
f6bcfd97 BP	368	//
	369	// the window associated with this DC (may be NULL)
	370	//
	371	wxWindow* m_pCanvas;
	372	wxBitmap m_vSelectedBitmap;
1408104d	373
d7e1a322 DW	374	public:
	375	// PM specific stuff
	376	HPS m_hPS;
	377	HPS m_hOldPS; // old hPS, if any
	378	bool m_bIsPaintTime;// True at Paint Time
	379
	380	RECTL m_vRclPaint; // Bounding rectangle at Paint time etc.
f6bcfd97	381	//
fb46a9a6	382	// TRUE => DeleteDC() in dtor, FALSE => only ReleaseDC() it
f6bcfd97 BP	383	//
f6bcfd97 BP	384	bool m_bOwnsDC:1;
fb46a9a6	385
f6bcfd97	386	//
ac7fb818	387	// our HDC
f6bcfd97 BP	388	//
f6bcfd97 BP	389	WXHDC m_hDC;
1408104d	390
f6bcfd97	391	//
1408104d DW	392	// Store all old GDI objects when do a SelectObject, so we can select them
	393	// back in (this unselecting user's objects) so we can safely delete the
	394	// DC.
f6bcfd97 BP	395	//
	396	WXHBITMAP m_hOldBitmap;
	397	WXHPEN m_hOldPen;
	398	WXHBRUSH m_hOldBrush;
	399	WXHFONT m_hOldFont;
	400	WXHPALETTE m_hOldPalette;
6835592c DW	401
	402	#if wxUSE_DC_CACHEING
	403	static wxList m_svBitmapCache;
	404	static wxList m_svDCCache;
	405	#endif
	406	}; // end of CLASS wxDC
0e320a79 DW	407	#endif
0e320a79 DW	408	// _WX_DC_H_