X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/004fd0c8834ca526d335a9294322d9def17ef8a9..11e3c6ef36393fb5863ea2f9601d8facd73acb12:/include/wx/os2/dc.h?ds=sidebyside diff --git a/include/wx/os2/dc.h b/include/wx/os2/dc.h index 434082c111..98af509457 100644 --- a/include/wx/os2/dc.h +++ b/include/wx/os2/dc.h @@ -1,5 +1,5 @@ ///////////////////////////////////////////////////////////////////////////// -// Name: dc.h +// Name: wx/os2/dc.h // Purpose: wxDC class // Author: David Webster // Modified by: @@ -67,157 +67,342 @@ #define wx_round(a) (int)((a)+.5) -class WXDLLEXPORT wxDC : public wxDCBase +#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: - wxDC(); - ~wxDC(); + wxPMDCImpl(wxDC *owner, WXHDC hDC); + virtual ~wxPMDCImpl(); // implement base class pure virtuals // ---------------------------------- virtual void Clear(); - virtual bool StartDoc(const wxString& message); - virtual void EndDoc(); + virtual bool StartDoc(const wxString& rsMessage); + virtual void EndDoc(); - virtual void StartPage(); - virtual void EndPage(); + virtual void StartPage(); + virtual void EndPage(); - virtual void SetFont(const wxFont& font); - virtual void SetPen(const wxPen& pen); - virtual void SetBrush(const wxBrush& brush); - virtual void SetBackground(const wxBrush& brush); - virtual void SetBackgroundMode(int mode); - virtual void SetPalette(const wxPalette& palette); + 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 void DestroyClippingRegion(); virtual wxCoord GetCharHeight() const; virtual wxCoord GetCharWidth() const; - virtual void DoGetTextExtent(const wxString& string, - wxCoord *x, wxCoord *y, - wxCoord *descent = NULL, - wxCoord *externalLeading = NULL, - wxFont *theFont = NULL) const; - - virtual bool CanDrawBitmap() const; - virtual bool CanGetTextExtent() const; - virtual int GetDepth() const; - virtual wxSize GetPPI() const; - - virtual void SetMapMode(int mode); - virtual void SetUserScale(double x, double y); - virtual void SetSystemScale(double x, double y); - virtual void SetLogicalScale(double x, double y); - virtual void SetLogicalOrigin(wxCoord x, wxCoord y); - virtual void SetDeviceOrigin(wxCoord x, wxCoord y); - virtual void SetAxisOrientation(bool xLeftRight, bool yBottomUp); - virtual void SetLogicalFunction(int function); + + 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 cdc); - virtual void DoClipping(WXHDC cdc); - virtual void SelectOldObjects(WXHDC dc); + virtual void SetRop(WXHDC hCdc); + virtual void SelectOldObjects(WXHDC hDc); - wxWindow *GetWindow() const { return m_canvas; } - void SetWindow(wxWindow *win) { m_canvas = win; } + wxWindow* GetWindow() const { return m_pCanvas; } + void SetWindow(wxWindow* pWin) { m_pCanvas = pWin; } - WXHDC GetHDC() const { return m_hDC; } - void SetHDC(WXHDC dc, bool bOwnsDC = FALSE) + WXHDC GetHDC() const { return m_hDC; } + void SetHDC( WXHDC hDc + ,bool bOwnsDC = FALSE + ) { - m_hDC = dc; + m_hDC = hDc; m_bOwnsDC = bOwnsDC; } -protected: - virtual void DoFloodFill(wxCoord x, wxCoord y, const wxColour& col, - int style = wxFLOOD_SURFACE); - - virtual bool DoGetPixel(wxCoord x, wxCoord y, wxColour *col) const; - - virtual void DoDrawPoint(wxCoord x, wxCoord y); - virtual void DoDrawLine(wxCoord x1, wxCoord y1, wxCoord x2, wxCoord y2); - - virtual void DoDrawArc(wxCoord x1, wxCoord y1, - wxCoord x2, wxCoord y2, - wxCoord xc, wxCoord yc); - virtual void DoDrawEllipticArc(wxCoord x, wxCoord y, wxCoord w, wxCoord h, - double sa, double ea); - - virtual void DoDrawRectangle(wxCoord x, wxCoord y, wxCoord width, wxCoord height); - virtual void DoDrawRoundedRectangle(wxCoord x, wxCoord y, - wxCoord width, wxCoord height, - double radius); - virtual void DoDrawEllipse(wxCoord x, wxCoord y, wxCoord width, wxCoord height); - - virtual void DoCrossHair(wxCoord x, wxCoord y); - - virtual void DoDrawIcon(const wxIcon& icon, wxCoord x, wxCoord y); - virtual void DoDrawBitmap(const wxBitmap &bmp, wxCoord x, wxCoord y, - bool useMask = FALSE); - - virtual void DoDrawText(const wxString& text, wxCoord x, wxCoord y); - - virtual bool DoBlit(wxCoord xdest, wxCoord ydest, wxCoord width, wxCoord height, - wxDC *source, wxCoord xsrc, wxCoord ysrc, - int rop = wxCOPY, bool useMask = FALSE); - - // this is gnarly - we can't even call this function DoSetClippingRegion() - // because of virtual function hiding - virtual void DoSetClippingRegionAsRegion(const wxRegion& region); - virtual void DoSetClippingRegion(wxCoord x, wxCoord y, - wxCoord width, wxCoord height); - virtual void DoGetClippingRegion(wxCoord *x, wxCoord *y, - wxCoord *width, wxCoord *height) + HPS GetHPS() const { return m_hPS; } + void SetHPS(HPS hPS) { - GetClippingBox(x, y, width, height); + 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 DoGetSize(int *width, int *height) const; - virtual void DoGetSizeMM(int* width, int* height) const; - - virtual void DoDrawLines(int n, wxPoint points[], - wxCoord xoffset, wxCoord yoffset); - virtual void DoDrawPolygon(int n, wxPoint points[], - wxCoord xoffset, wxCoord yoffset, - int fillStyle = wxODDEVEN_RULE); +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); + } -#if wxUSE_SPLINES - virtual void DoDrawSpline(wxList *points); -#endif // wxUSE_SPLINES + // create an uninitialized DC: this should be only used by the derived + // classes + wxPMDCImpl( wxDC *owner ) : wxDCImpl( owner ) { Init(); } - // OS2-specific member variables - int m_windowExtX; - int m_windowExtY; +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 + ,const wxPoint vaPoints[] + ,wxCoord vXoffset + ,wxCoord yYoffset + ); + virtual void DoDrawPolygon( int n + ,const 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_canvas; + // + wxWindow* m_pCanvas; + wxBitmap m_vSelectedBitmap; - wxBitmap m_selectedBitmap; +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; + // + bool m_bOwnsDC:1; - // our HDC and its usage count: we only free it when the usage count drops - // to 0 - WXHDC m_hDC; - int m_hDCCount; + // + // 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_oldBitmap; - WXHPEN m_oldPen; - WXHBRUSH m_oldBrush; - WXHFONT m_oldFont; - WXHPALETTE m_oldPalette; - - float m_scaleFactor; // wxPSDC wants to have this. Will disappear. -}; + // + 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_