X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/54da4255a20216b070ec044ae2b8af75e9f2681f..0555b2a0a3c509687e7fc5aeb160f5171b7e6311:/include/wx/os2/dc.h diff --git a/include/wx/os2/dc.h b/include/wx/os2/dc.h index ce3e9998d1..dfe7c050a5 100644 --- a/include/wx/os2/dc.h +++ b/include/wx/os2/dc.h @@ -1,374 +1,408 @@ ///////////////////////////////////////////////////////////////////////////// -// Name: dc.h +// Name: wx/os2/dc.h // Purpose: wxDC class -// Author: AUTHOR +// Author: David Webster // Modified by: -// Created: ??/??/98 +// Created: 08/26/99 // RCS-ID: $Id$ -// Copyright: (c) AUTHOR -// Licence: wxWindows licence +// Copyright: (c) David Webster +// Licence: wxWindows licence ///////////////////////////////////////////////////////////////////////////// #ifndef _WX_DC_H_ #define _WX_DC_H_ -#ifdef __GNUG__ -#pragma interface "dc.h" -#endif +#include "wx/defs.h" +#include "wx/dc.h" -#include "wx/pen.h" -#include "wx/brush.h" -#include "wx/icon.h" -#include "wx/font.h" -#include "wx/gdicmn.h" - -//----------------------------------------------------------------------------- -// constants -//----------------------------------------------------------------------------- - -#ifndef MM_TEXT -#define MM_TEXT 0 -#define MM_ISOTROPIC 1 -#define MM_ANISOTROPIC 2 -#define MM_LOMETRIC 3 -#define MM_HIMETRIC 4 -#define MM_TWIPS 5 -#define MM_POINTS 6 -#define MM_METRIC 7 -#endif +// --------------------------------------------------------------------------- +// macros +// --------------------------------------------------------------------------- -//----------------------------------------------------------------------------- -// global variables -//----------------------------------------------------------------------------- +// Logical to device +// Absolute +#define XLOG2DEV(x) (x) +#define YLOG2DEV(y) (y) -extern int wxPageNumber; +// Relative +#define XLOG2DEVREL(x) (x) +#define YLOG2DEVREL(y) (y) -//----------------------------------------------------------------------------- -// wxDC -//----------------------------------------------------------------------------- +// Device to logical +// Absolute +#define XDEV2LOG(x) (x) -class WXDLLEXPORT wxDC: public wxObject -{ - DECLARE_ABSTRACT_CLASS(wxDC) +#define YDEV2LOG(y) (y) - public: +// Relative +#define XDEV2LOGREL(x) (x) +#define YDEV2LOGREL(y) (y) - wxDC(void); - ~wxDC(void); - - void BeginDrawing(void) {}; - void EndDrawing(void) {}; - - virtual bool Ok(void) const { return m_ok; }; +/* + * Have the same macros as for XView but not for every operation: + * just for calculating window/viewport extent (a better way of scaling). + */ - virtual void FloodFill( long x1, long y1, const wxColour& col, int style=wxFLOOD_SURFACE ) = 0; - inline void FloodFill(const wxPoint& pt, const wxColour& col, int style=wxFLOOD_SURFACE) - { - FloodFill(pt.x, pt.y, col, style); - } +// Logical to device +// Absolute +#define MS_XLOG2DEV(x) LogicalToDevice(x) - virtual bool GetPixel( long x1, long y1, wxColour *col ) const = 0; - inline bool GetPixel(const wxPoint& pt, wxColour *col) const - { - return GetPixel(pt.x, pt.y, col); - } +#define MS_YLOG2DEV(y) LogicalToDevice(y) - virtual void DrawLine( long x1, long y1, long x2, long y2 ) = 0; - inline void DrawLine(const wxPoint& pt1, const wxPoint& pt2) - { - DrawLine(pt1.x, pt1.y, pt2.x, pt2.y); - } +// Relative +#define MS_XLOG2DEVREL(x) LogicalToDeviceXRel(x) +#define MS_YLOG2DEVREL(y) LogicalToDeviceYRel(y) - virtual void CrossHair( long x, long y ) = 0; - inline void CrossHair(const wxPoint& pt) - { - CrossHair(pt.x, pt.y); - } +// Device to logical +// Absolute +#define MS_XDEV2LOG(x) DeviceToLogicalX(x) - virtual void DrawArc( long x1, long y1, long x2, long y2, long xc, long yc ) = 0; - inline void DrawArc(const wxPoint& pt1, const wxPoint& pt2, const wxPoint& centre) - { - DrawArc(pt1.x, pt1.y, pt2.x, pt2.y, centre.x, centre.y); - } +#define MS_YDEV2LOG(y) DeviceToLogicalY(y) - virtual void DrawEllipticArc( long x, long y, long width, long height, double sa, double ea ) = 0; - virtual void DrawEllipticArc (const wxPoint& pt, const wxSize& sz, double sa, double ea) - { - DrawEllipticArc(pt.x, pt.y, sz.x, sz.y, sa, ea); - } +// Relative +#define MS_XDEV2LOGREL(x) DeviceToLogicalXRel(x) +#define MS_YDEV2LOGREL(y) DeviceToLogicalYRel(y) - virtual void DrawPoint( long x, long y ) = 0; - virtual void DrawPoint( wxPoint& point ); - - virtual void DrawLines( int n, wxPoint points[], long xoffset = 0, long yoffset = 0 ) = 0; - virtual void DrawLines( wxList *points, long xoffset = 0, long yoffset = 0 ); - virtual void DrawPolygon( int n, wxPoint points[], long xoffset = 0, long yoffset = 0, - int fillStyle=wxODDEVEN_RULE ) = 0; - virtual void DrawPolygon( wxList *lines, long xoffset = 0, long yoffset = 0, - int fillStyle=wxODDEVEN_RULE ); - - virtual void DrawRectangle( long x, long y, long width, long height ) = 0; - inline void DrawRectangle(const wxPoint& pt, const wxSize& sz) - { - DrawRectangle(pt.x, pt.y, sz.x, sz.y); - } - inline void DrawRectangle(const wxRect& rect) - { - DrawRectangle(rect.x, rect.y, rect.width, rect.height); - } - virtual void DrawRoundedRectangle( long x, long y, long width, long height, double radius = 20.0 ) = 0; - inline void DrawRoundedRectangle(const wxPoint& pt, const wxSize& sz, double radius = 20.0) - { - DrawRoundedRectangle(pt.x, pt.y, sz.x, sz.y, radius); - } - inline void DrawRoundedRectangle(const wxRect& rect, double radius = 20.0) - { - DrawRoundedRectangle(rect.x, rect.y, rect.width, rect.height, radius); - } +#define YSCALE(y) (yorigin - (y)) - virtual void DrawEllipse( long x, long y, long width, long height ) = 0; - inline void DrawEllipse(const wxPoint& pt, const wxSize& sz) - { - DrawEllipse(pt.x, pt.y, sz.x, sz.y); - } - inline void DrawEllipse(const wxRect& rect) - { - DrawEllipse(rect.x, rect.y, rect.width, rect.height); - } +#define wx_round(a) (int)((a)+.5) - virtual void DrawSpline( long x1, long y1, long x2, long y2, long x3, long y3 ); - virtual void DrawSpline( wxList *points ) = 0; - virtual void DrawSpline( int n, wxPoint points[] ); - - virtual bool CanDrawBitmap(void) const = 0; +#if wxUSE_DC_CACHEING +/* + * Cached blitting, maintaining a cache + * of bitmaps required for transparent blitting + * instead of constant creation/deletion + */ - virtual void DrawIcon( const wxIcon &icon, long x, long y, bool useMask=FALSE ); - inline void DrawIcon(const wxIcon& icon, const wxPoint& pt) +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(); + + virtual bool StartDoc(const wxString& rsMessage); + virtual void EndDoc(); + + virtual void StartPage(); + virtual void EndPage(); + + 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(); + + virtual wxCoord GetCharHeight() const; + virtual wxCoord GetCharWidth() const; + + virtual bool CanDrawBitmap() const; + virtual bool CanGetTextExtent() const; + virtual int GetDepth() const; + virtual wxSize GetPPI() const; + + virtual void SetMapMode(wxMappingMode 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(wxRasterOperationMode nFunction); + + // implementation from now on + // -------------------------- + + virtual void SetRop(WXHDC hCdc); + virtual void SelectOldObjects(WXHDC hDc); + + wxWindow* GetWindow() const { return m_pCanvas; } + void SetWindow(wxWindow* pWin) { m_pCanvas = pWin; } + + WXHDC GetHDC() const { return m_hDC; } + void SetHDC( WXHDC hDc + ,bool bOwnsDC = FALSE + ) { - DrawIcon(icon, pt.x, pt.y); + m_hDC = hDc; + m_bOwnsDC = bOwnsDC; } - // TODO DrawBitmap is not always the same as DrawIcon, especially if bitmaps and - // icons are implemented differently. - void DrawBitmap( const wxBitmap &bmp, long x, long y, bool useMask=FALSE ) - { DrawIcon( *((wxIcon*)(&bmp)), x, y, useMask ); } - - virtual bool Blit( long xdest, long ydest, long width, long height, - wxDC *source, long xsrc, long ysrc, int logical_func = wxCOPY, bool useMask=FALSE ) = 0; - inline bool Blit(const wxPoint& destPt, const wxSize& sz, - wxDC *source, const wxPoint& srcPt, int rop = wxCOPY, bool useMask = FALSE) + HPS GetHPS() const { return m_hPS; } + void SetHPS(HPS hPS) { - return Blit(destPt.x, destPt.y, sz.x, sz.y, source, srcPt.x, srcPt.y, rop, useMask); + m_hPS = hPS; } + const wxBitmap& GetSelectedBitmap() const { return m_vSelectedBitmap; } + wxBitmap& GetSelectedBitmap() { 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(); +#endif - virtual void DrawText( const wxString &text, long x, long y, bool use16 = FALSE ) = 0; - inline void DrawText(const wxString& text, const wxPoint& pt, bool use16bit = FALSE) +protected: + void Init() { - DrawText(text, pt.x, pt.y, use16bit); + 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); } - virtual bool CanGetTextExtent(void) const = 0; - virtual void GetTextExtent( const wxString &string, long *width, long *height, - long *descent = NULL, long *externalLeading = NULL, - wxFont *theFont = NULL, bool use16 = FALSE ) = 0; - virtual long GetCharWidth(void) = 0; - virtual long GetCharHeight(void) = 0; - - virtual void Clear(void) = 0; - - virtual void SetFont( const wxFont &font ) = 0; - virtual wxFont& GetFont(void) const { return (wxFont&) m_font; }; - - virtual void SetPen( const wxPen &pen ) = 0; - virtual wxPen& GetPen(void) const { return (wxPen&) m_pen; }; - - virtual void SetBrush( const wxBrush &brush ) = 0; - virtual wxBrush& GetBrush(void) const { return (wxBrush&) m_brush; }; - - virtual void SetBackground( const wxBrush &brush ) = 0; - virtual wxBrush& GetBackground(void) const { return (wxBrush&) m_backgroundBrush; }; - - virtual void SetLogicalFunction( int function ) = 0; - virtual int GetLogicalFunction(void) const { return m_logicalFunction; }; - - virtual void SetTextForeground( const wxColour &col ); - virtual void SetTextBackground( const wxColour &col ); - virtual wxColour& GetTextBackground(void) const { return (wxColour&)m_textBackgroundColour; }; - virtual wxColour& GetTextForeground(void) const { return (wxColour&)m_textForegroundColour; }; - - virtual void SetBackgroundMode( int mode ) = 0; - virtual int GetBackgroundMode(void) const { return m_backgroundMode; }; - - virtual void SetPalette( const wxPalette& palette ) = 0; - void SetColourMap( const wxPalette& palette ) { SetPalette(palette); }; - - // the first two must be overridden and called - virtual void SetClippingRegion( long x, long y, long width, long height ); - virtual void DestroyClippingRegion(void); - virtual void GetClippingBox( long *x, long *y, long *width, long *height ) const; - - virtual inline long MinX(void) const { return m_minX; } - virtual inline long MaxX(void) const { return m_maxX; } - virtual inline long MinY(void) const { return m_minY; } - virtual inline long MaxY(void) const { return m_maxY; } - - virtual void GetSize( int* width, int* height ) const; - inline wxSize GetSize(void) const { int w, h; GetSize(&w, &h); return wxSize(w, h); } - virtual void GetSizeMM( long* width, long* height ) const; - - virtual bool StartDoc( const wxString& WXUNUSED(message) ) { return TRUE; }; - virtual void EndDoc(void) {}; - virtual void StartPage(void) {}; - virtual void EndPage(void) {}; - - virtual void SetMapMode( int mode ); - virtual int GetMapMode(void) const { return m_mappingMode; }; - - virtual void SetUserScale( double x, double y ); - virtual void GetUserScale( double *x, double *y ); - virtual void SetLogicalScale( double x, double y ); - virtual void GetLogicalScale( double *x, double *y ); - - virtual void SetLogicalOrigin( long x, long y ); - virtual void GetLogicalOrigin( long *x, long *y ); - virtual void SetDeviceOrigin( long x, long y ); - virtual void GetDeviceOrigin( long *x, long *y ); - virtual void SetInternalDeviceOrigin( long x, long y ); - virtual void GetInternalDeviceOrigin( long *x, long *y ); - - virtual void SetAxisOrientation( bool xLeftRight, bool yBottomUp ); - - virtual void SetOptimization( bool WXUNUSED(optimize) ) {}; - virtual bool GetOptimization(void) { return m_optimize; }; - - virtual long DeviceToLogicalX(long x) const; - virtual long DeviceToLogicalY(long y) const; - virtual long DeviceToLogicalXRel(long x) const; - virtual long DeviceToLogicalYRel(long y) const; - virtual long LogicalToDeviceX(long x) const; - virtual long LogicalToDeviceY(long y) const; - virtual long LogicalToDeviceXRel(long x) const; - virtual long LogicalToDeviceYRel(long y) const; - - public: - - void CalcBoundingBox( long x, long y ); - void ComputeScaleAndOrigin(void); - - long XDEV2LOG(long x) const - { - long new_x = x - m_deviceOriginX; - if (new_x > 0) - return (long)((double)(new_x) / m_scaleX + 0.5) * m_signX + m_logicalOriginX; - else - return (long)((double)(new_x) / m_scaleX - 0.5) * m_signX + m_logicalOriginX; - } - long XDEV2LOGREL(long x) const - { - if (x > 0) - return (long)((double)(x) / m_scaleX + 0.5); - else - return (long)((double)(x) / m_scaleX - 0.5); - } - long YDEV2LOG(long y) const - { - long new_y = y - m_deviceOriginY; - if (new_y > 0) - return (long)((double)(new_y) / m_scaleY + 0.5) * m_signY + m_logicalOriginY; - else - return (long)((double)(new_y) / m_scaleY - 0.5) * m_signY + m_logicalOriginY; - } - long YDEV2LOGREL(long y) const - { - if (y > 0) - return (long)((double)(y) / m_scaleY + 0.5); - else - return (long)((double)(y) / m_scaleY - 0.5); - } - long XLOG2DEV(long x) const - { - long new_x = x - m_logicalOriginX; - if (new_x > 0) - return (long)((double)(new_x) * m_scaleX + 0.5) * m_signX + m_deviceOriginX; - else - return (long)((double)(new_x) * m_scaleX - 0.5) * m_signX + m_deviceOriginX; - } - long XLOG2DEVREL(long x) const - { - if (x > 0) - return (long)((double)(x) * m_scaleX + 0.5); - else - return (long)((double)(x) * m_scaleX - 0.5); - } - long YLOG2DEV(long y) const - { - long new_y = y - m_logicalOriginY; - if (new_y > 0) - return (long)((double)(new_y) * m_scaleY + 0.5) * m_signY + m_deviceOriginY; - else - return (long)((double)(new_y) * m_scaleY - 0.5) * m_signY + m_deviceOriginY; - } - long YLOG2DEVREL(long y) const - { - if (y > 0) - return (long)((double)(y) * m_scaleY + 0.5); - else - return (long)((double)(y) * m_scaleY - 0.5); - } - - public: - - bool m_ok; - bool m_colour; - - // not sure, what these mean - bool m_clipping; // Is clipping on right now ? - bool m_isInteractive; // Is GetPixel possible ? - bool m_autoSetting; // wxMSW only ? - bool m_dontDelete; // wxMSW only ? - bool m_optimize; // wxMSW only ? - wxString m_filename; // Not sure where this belongs. - - wxPen m_pen; - wxBrush m_brush; - wxBrush m_backgroundBrush; - wxColour m_textForegroundColour; - wxColour m_textBackgroundColour; - wxFont m_font; - - int m_logicalFunction; - int m_backgroundMode; - int m_textAlignment; // gone in wxWin 2.0 ? - - int m_mappingMode; - - // not sure what for, but 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; - - long m_internalDeviceOriginX,m_internalDeviceOriginY; // If un-scrolled is non-zero or - // d.o. changes with scrolling. - // Set using SetInternalDeviceOrigin(). - - long m_externalDeviceOriginX,m_externalDeviceOriginY; // To be set by external classes - // such as wxScrolledWindow - // using SetDeviceOrigin() - - long m_deviceOriginX,m_deviceOriginY; // Sum of the two above. - - long m_logicalOriginX,m_logicalOriginY; // User defined. - - double m_scaleX,m_scaleY; - double m_logicalScaleX,m_logicalScaleY; - double m_userScaleX,m_userScaleY; - long m_signX,m_signY; - - bool m_needComputeScaleX,m_needComputeScaleY; // not yet used - - float m_scaleFactor; // wxPSDC wants to have this. Will disappear. - - long m_clipX1,m_clipY1,m_clipX2,m_clipY2; - long m_minX,m_maxX,m_minY,m_maxY; -}; - + // 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 + ,wxFloodFillStyle 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 + ,wxRasterOperationMode nRop = wxCOPY + ,bool bUseMask = FALSE + ,wxCoord vXsrcMask = -1 + ,wxCoord vYsrcMask = -1 + ); + + virtual void DoSetClippingRegion( wxCoord vX + ,wxCoord vY + ,wxCoord vWidth + ,wxCoord vHeight + ); + virtual void DoSetDeviceClippingRegion(const wxRegion& rRegion); + + 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 + ,wxPolygonFillMode nFillStyle = wxODDEVEN_RULE + ); + +#if wxUSE_PALETTE + void DoSelectPalette(bool bRealize = FALSE); + void InitializePalette(); +#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_