///////////////////////////////////////////////////////////////////////////// // Name: dc.h // Purpose: wxDC class // Author: AUTHOR // Modified by: // Created: ??/??/98 // RCS-ID: $Id$ // Copyright: (c) AUTHOR // Licence: wxWindows licence ///////////////////////////////////////////////////////////////////////////// #ifndef _WX_DC_H_ #define _WX_DC_H_ #ifdef __GNUG__ #pragma interface "dc.h" #endif #include "wx/pen.h" #include "wx/brush.h" #include "wx/icon.h" #include "wx/font.h" #include "wx/gdicmn.h" #include "wx/mac/aga.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 //----------------------------------------------------------------------------- // global variables //----------------------------------------------------------------------------- extern int wxPageNumber; //----------------------------------------------------------------------------- // wxDC //----------------------------------------------------------------------------- class WXDLLEXPORT wxDC: public wxDCBase { DECLARE_DYNAMIC_CLASS(wxDC) public: wxDC(); ~wxDC(); // implement base class pure virtuals // ---------------------------------- virtual void Clear(); virtual bool StartDoc( const wxString& WXUNUSED(message) ) { return TRUE; }; virtual void EndDoc(void) {}; virtual void StartPage(void) {}; virtual void EndPage(void) {}; 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 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 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 void SetTextForeground(const wxColour& colour) ; virtual void SetTextBackground(const wxColour& colour) ; // // /* void BeginDrawing(void) {}; void EndDrawing(void) {}; virtual bool Ok(void) const { return m_ok; }; virtual void FloodFill( long x1, long y1, const wxColour& col, int style=wxFLOOD_SURFACE ); inline void FloodFill(const wxPoint& pt, const wxColour& col, int style=wxFLOOD_SURFACE) { FloodFill(pt.x, pt.y, col, style); } virtual bool GetPixel( long x1, long y1, wxColour *col ) const ; inline bool GetPixel(const wxPoint& pt, wxColour *col) const { return GetPixel(pt.x, pt.y, col); } virtual void DrawLine( long x1, long y1, long x2, long y2 ); inline void DrawLine(const wxPoint& pt1, const wxPoint& pt2) { DrawLine(pt1.x, pt1.y, pt2.x, pt2.y); } virtual void CrossHair( long x, long y ); inline void CrossHair(const wxPoint& pt) { CrossHair(pt.x, pt.y); } virtual void DrawArc( long x1, long y1, long x2, long y2, long xc, long yc ); 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); } virtual void DrawEllipticArc( long x, long y, long width, long height, double sa, double ea ); virtual void DrawEllipticArc (const wxPoint& pt, const wxSize& sz, double sa, double ea) { DrawEllipticArc(pt.x, pt.y, sz.x, sz.y, sa, ea); } virtual void DrawPoint( long x, long y ); virtual void DrawPoint( wxPoint& point ); virtual void DrawLines( int n, wxPoint points[], long xoffset = 0, long yoffset = 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 ); 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 ); 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 ); 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); } virtual void DrawEllipse( long x, long y, long width, long height ); 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); } virtual void DrawSpline( long x1, long y1, long x2, long y2, long x3, long y3 ); virtual void DrawSpline( wxList *points ); virtual void DrawSpline( int n, wxPoint points[] ); virtual bool CanDrawBitmap(void) const ; virtual void DrawIcon( const wxIcon &icon, long x, long y, bool useMask=FALSE ); inline void DrawIcon(const wxIcon& icon, const wxPoint& pt) { DrawIcon(icon, pt.x, pt.y); } void DrawBitmap( const wxBitmap &bmp, long x, long y, bool useMask=FALSE ) ; virtual bool Blit( long xdest, long ydest, long width, long height, wxDC *source, long xsrc, long ysrc, int logical_func = wxCOPY, bool useMask=FALSE ); inline bool Blit(const wxPoint& destPt, const wxSize& sz, wxDC *source, const wxPoint& srcPt, int rop = wxCOPY, bool useMask = FALSE) { return Blit(destPt.x, destPt.y, sz.x, sz.y, source, srcPt.x, srcPt.y, rop, useMask); } virtual void DrawText( const wxString &text, long x, long y, bool use16 = FALSE ); inline void DrawText(const wxString& text, const wxPoint& pt, bool use16bit = FALSE) { DrawText(text, pt.x, pt.y, use16bit); } virtual bool CanGetTextExtent(void) const ; virtual void GetTextExtent( const wxString &string, int *width, int *height, int *descent = NULL, int *externalLeading = NULL, wxFont *theFont = NULL, bool use16 = FALSE ) const ; virtual wxCoord GetCharWidth(void) const; virtual wxCoord GetCharHeight(void) const; virtual void Clear(void); virtual void SetFont( const wxFont &font ); virtual wxFont& GetFont(void) const { return (wxFont&) m_font; }; virtual void SetPen( const wxPen &pen ); virtual wxPen& GetPen(void) const { return (wxPen&) m_pen; }; virtual void SetBrush( const wxBrush &brush ); virtual wxBrush& GetBrush(void) const { return (wxBrush&) m_brush; }; virtual void SetBackground( const wxBrush &brush ); virtual wxBrush& GetBackground(void) const { return (wxBrush&) m_backgroundBrush; }; virtual void SetLogicalFunction( int function ); 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 ); virtual int GetBackgroundMode(void) const { return m_backgroundMode; }; virtual void SetPalette( const wxPalette& palette ); void SetColourMap( const wxPalette& palette ) { SetPalette(palette); }; // the first two must be overridden and called virtual void SetClippingRegion( wxCoord x, wxCoord y, wxCoord width, wxCoord height ); virtual void SetClippingRegion( const wxRect& rect ); virtual void DestroyClippingRegion(void); virtual void GetClippingBox( wxCoord *x, wxCoord *y, wxCoord *width, wxCoord *height ) const; virtual void GetClippingBox( long *x, long *y, long *width, long *height ) const; virtual void GetClippingBox(wxRect& rect) 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 int GetMapMode(void) const { return m_mappingMode; }; virtual void GetUserScale( double *x, double *y ); virtual void GetLogicalScale( double *x, double *y ); virtual void GetLogicalOrigin( 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 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; void CalcBoundingBox( long x, long y ); */ void ComputeScaleAndOrigin(void); public: wxCoord XDEV2LOG(wxCoord x) const { long new_x = x - m_deviceOriginX; if (new_x > 0) return (wxCoord)((double)(new_x) / m_scaleX + 0.5) * m_signX + m_logicalOriginX; else return (wxCoord)((double)(new_x) / m_scaleX - 0.5) * m_signX + m_logicalOriginX; } wxCoord XDEV2LOGREL(wxCoord x) const { if (x > 0) return (wxCoord)((double)(x) / m_scaleX + 0.5); else return (wxCoord)((double)(x) / m_scaleX - 0.5); } wxCoord YDEV2LOG(wxCoord y) const { long new_y = y - m_deviceOriginY; if (new_y > 0) return (wxCoord)((double)(new_y) / m_scaleY + 0.5) * m_signY + m_logicalOriginY; else return (wxCoord)((double)(new_y) / m_scaleY - 0.5) * m_signY + m_logicalOriginY; } wxCoord YDEV2LOGREL(wxCoord y) const { if (y > 0) return (wxCoord)((double)(y) / m_scaleY + 0.5); else return (wxCoord)((double)(y) / m_scaleY - 0.5); } wxCoord XLOG2DEV(wxCoord x) const { long new_x = x - m_logicalOriginX; if (new_x > 0) return (wxCoord)((double)(new_x) * m_scaleX + 0.5) * m_signX + m_deviceOriginX; else return (wxCoord)((double)(new_x) * m_scaleX - 0.5) * m_signX + m_deviceOriginX; } wxCoord XLOG2DEVREL(wxCoord x) const { if (x > 0) return (wxCoord)((double)(x) * m_scaleX + 0.5); else return (wxCoord)((double)(x) * m_scaleX - 0.5); } wxCoord YLOG2DEV(wxCoord y) const { long new_y = y - m_logicalOriginY; if (new_y > 0) return (wxCoord)((double)(new_y) * m_scaleY + 0.5) * m_signY + m_deviceOriginY; else return (wxCoord)((double)(new_y) * m_scaleY - 0.5) * m_signY + m_deviceOriginY; } wxCoord YLOG2DEVREL(wxCoord y) const { if (y > 0) return (wxCoord)((double)(y) * m_scaleY + 0.5); else return (wxCoord)((double)(y) * m_scaleY - 0.5); } // 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 void DoDrawRotatedText(const wxString& text, wxCoord x, wxCoord y, double angle); 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) { GetClippingBox(x, y, width, height); } 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); // public: //begin wxmac double m_mm_to_pix_x,m_mm_to_pix_y; bool m_needComputeScaleX,m_needComputeScaleY; // not yet used 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() GrafPtr m_macPort ; GWorldPtr m_macMask ; // in order to preserve the const inheritance of the virtual functions, we have to // use mutable variables starting from CWPro 5 void MacInstallFont() const ; void MacInstallPen() const ; void MacInstallBrush() const ; mutable bool m_macFontInstalled ; mutable bool m_macPenInstalled ; mutable bool m_macBrushInstalled ; mutable long m_macPortId ; GrafPtr m_macOrigPort ; Rect m_macClipRect ; Point m_macLocalOrigin ; mutable AGAPortHelper m_macPortHelper ; void MacSetupPort() const ; void MacVerifySetup() const { if ( m_macPortId != m_macCurrentPortId ) MacSetupPort() ; } static void MacInvalidateSetup() { m_macCurrentPortId++ ; } static long m_macCurrentPortId ; }; #endif // _WX_DC_H_