include/wx/motif/dcclient.h

   1 /////////////////////////////////////////////////////////////////////////////
   2 // Name:        wx/motif/dcclient.h
   3 // Purpose:     wxClientDCImpl, wxPaintDCImpl and wxWindowDCImpl classes
   4 // Author:      Julian Smart
   5 // Modified by:
   6 // Created:     17/09/98
   7 // RCS-ID:      $Id$
   8 // Copyright:   (c) Julian Smart
   9 // Licence:     wxWindows licence
  10 /////////////////////////////////////////////////////////////////////////////
  11
  12 #ifndef _WX_DCCLIENT_H_
  13 #define _WX_DCCLIENT_H_
  14
  15 #include "wx/motif/dc.h"
  16
  17 class WXDLLIMPEXP_FWD_CORE wxWindow;
  18
  19 //-----------------------------------------------------------------------------
  20 // wxWindowDCImpl
  21 //-----------------------------------------------------------------------------
  22
  23 class WXDLLIMPEXP_CORE wxWindowDCImpl : public wxMotifDCImpl
  24 {
  25 public:
  26     wxWindowDCImpl(wxDC *owner);
  27     wxWindowDCImpl(wxDC *owner, wxWindow *win);
  28
  29     virtual ~wxWindowDCImpl();
  30
  31     // TODO this function is Motif-only for now - should it go into base class?
  32     void Clear(const wxRect& rect);
  33
  34     // implement base class pure virtuals
  35     // ----------------------------------
  36
  37     virtual void Clear();
  38
  39     virtual void SetFont(const wxFont& font);
  40     virtual void SetPen(const wxPen& pen);
  41     virtual void SetBrush(const wxBrush& brush);
  42     virtual void SetBackground(const wxBrush& brush);
  43     virtual void SetBackgroundMode(int mode);
  44     virtual void SetPalette(const wxPalette& palette);
  45     virtual void SetLogicalFunction( int function );
  46
  47     virtual void SetTextForeground(const wxColour& colour);
  48     virtual void SetTextBackground(const wxColour& colour);
  49
  50     virtual wxCoord GetCharHeight() const;
  51     virtual wxCoord GetCharWidth() const;
  52     virtual void DoGetTextExtent(const wxString& string,
  53         wxCoord *x, wxCoord *y,
  54         wxCoord *descent = NULL,
  55         wxCoord *externalLeading = NULL,
  56         const wxFont *theFont = NULL) const;
  57
  58     virtual bool CanDrawBitmap() const;
  59     virtual bool CanGetTextExtent() const;
  60
  61     virtual int GetDepth() const;
  62     virtual wxSize GetPPI() const;
  63
  64     virtual void DestroyClippingRegion();
  65
  66     // Helper function for setting clipping
  67     void SetDCClipping(WXRegion region);
  68
  69     // implementation from now on
  70     // --------------------------
  71
  72     WXGC GetGC() const { return m_gc; }
  73     WXGC GetBackingGC() const { return m_gcBacking; }
  74     WXDisplay* GetDisplay() const { return m_display; }
  75     bool GetAutoSetting() const { return (m_autoSetting != 0); } // See comment in dcclient.cpp
  76     void SetAutoSetting(bool flag) { m_autoSetting = flag; }
  77
  78 protected:
  79     // note that this function will call colour.SetPixel,
  80     // and will do one of curCol = colour, curCol = wxWHITE, curCol = wxBLACK
  81     // roundToWhite has an effect for monochrome display only
  82     // if roundToWhite == true then the colour will be set to white unless
  83     // it is RGB 0x000000;if roundToWhite == true the colour wull be set to
  84     // black unless it id RGB 0xffffff
  85     WXPixel CalculatePixel(wxColour& colour, wxColour& curCol,
  86                            bool roundToWhite) const;
  87     // sets the foreground pixel taking into account the
  88     // currently selected logical operation
  89     void SetForegroundPixelWithLogicalFunction(WXPixel pixel);
  90
  91     virtual bool DoFloodFill(wxCoord x, wxCoord y, const wxColour& col,
  92         int style = wxFLOOD_SURFACE);
  93
  94     virtual bool DoGetPixel(wxCoord x, wxCoord y, wxColour *col) const;
  95
  96     virtual void DoDrawPoint(wxCoord x, wxCoord y);
  97     virtual void DoDrawLine(wxCoord x1, wxCoord y1, wxCoord x2, wxCoord y2);
  98
  99     virtual void DoDrawArc(wxCoord x1, wxCoord y1,
 100         wxCoord x2, wxCoord y2,
 101         wxCoord xc, wxCoord yc);
 102     virtual void DoDrawEllipticArc(wxCoord x, wxCoord y, wxCoord w, wxCoord h,
 103         double sa, double ea);
 104
 105     virtual void DoDrawRectangle(wxCoord x, wxCoord y, wxCoord width, wxCoord height);
 106     virtual void DoDrawRoundedRectangle(wxCoord x, wxCoord y,
 107         wxCoord width, wxCoord height,
 108         double radius);
 109     virtual void DoDrawEllipse(wxCoord x, wxCoord y, wxCoord width, wxCoord height);
 110
 111     virtual void DoCrossHair(wxCoord x, wxCoord y);
 112
 113     virtual void DoDrawText(const wxString& text, wxCoord x, wxCoord y);
 114     virtual void DoDrawRotatedText(const wxString &text, wxCoord x, wxCoord y, double angle);
 115
 116     virtual bool DoBlit(wxCoord xdest, wxCoord ydest, wxCoord width, wxCoord height,
 117         wxDC *source, wxCoord xsrc, wxCoord ysrc,
 118         int rop = wxCOPY, bool useMask = false, wxCoord xsrcMask = -1, wxCoord ysrcMask = -1);
 119
 120     virtual void DoSetClippingRegionAsRegion(const wxRegion& region);
 121     virtual void DoSetClippingRegion(wxCoord x, wxCoord y,
 122         wxCoord width, wxCoord height);
 123
 124     virtual void DoDrawLines(int n, wxPoint points[],
 125         wxCoord xoffset, wxCoord yoffset);
 126     virtual void DoDrawPolygon(int n, wxPoint points[],
 127         wxCoord xoffset, wxCoord yoffset,
 128         int fillStyle = wxODDEVEN_RULE);
 129
 130     void DoGetSize( int *width, int *height ) const;
 131
 132     // common part of constructors
 133     void Init();
 134
 135     WXGC         m_gc;
 136     WXGC         m_gcBacking;
 137     WXDisplay*   m_display;
 138     wxWindow*    m_window;
 139     // Pixmap for drawing on
 140     WXPixmap     m_pixmap;
 141     // Last clipping region set on th GC, this is the combination
 142     // of paint clipping region and all user-defined clipping regions
 143     WXRegion     m_clipRegion;
 144
 145     // Not sure if we'll need all of these
 146     WXPixel      m_backgroundPixel;
 147     wxColour     m_currentColour;
 148     int          m_currentPenWidth ;
 149     int          m_currentPenJoin ;
 150     int          m_currentPenCap ;
 151     int          m_currentPenDashCount ;
 152     wxX11Dash*   m_currentPenDash ;
 153     wxBitmap     m_currentStipple ;
 154     int          m_currentStyle ;
 155     int          m_currentFill ;
 156     int          m_autoSetting ; // See comment in dcclient.cpp
 157
 158     DECLARE_DYNAMIC_CLASS(wxWindowDCImpl)
 159 };
 160
 161 class WXDLLIMPEXP_CORE wxPaintDCImpl: public wxWindowDCImpl
 162 {
 163 public:
 164     wxPaintDCImpl(wxDC *owner) : wxWindowDCImpl(owner) { }
 165     wxPaintDCImpl(wxDC *owner, wxWindow* win);
 166
 167     virtual ~wxPaintDCImpl();
 168
 169     DECLARE_DYNAMIC_CLASS(wxPaintDCImpl)
 170 };
 171
 172 class WXDLLIMPEXP_CORE wxClientDCImpl: public wxWindowDCImpl
 173 {
 174 public:
 175     wxClientDCImpl(wxDC *owner) : wxWindowDCImpl(owner) { }
 176     wxClientDCImpl(wxDC *owner, wxWindow* win)
 177         : wxWindowDCImpl(owner, win) { }
 178
 179     DECLARE_DYNAMIC_CLASS(wxClientDCImpl)
 180 };
 181
 182 #endif // _WX_DCCLIENT_H_