include/wx/gtk/dcclient.h

   1 /////////////////////////////////////////////////////////////////////////////
   2 // Name:        dcclient.h
   3 // Purpose:
   4 // Author:      Robert Roebling
   5 // Id:          $Id$
   6 // Copyright:   (c) 1998 Robert Roebling
   7 // Licence:     wxWindows licence
   8 /////////////////////////////////////////////////////////////////////////////
   9
  10 #ifndef __GTKDCCLIENTH__
  11 #define __GTKDCCLIENTH__
  12
  13 #include "wx/dc.h"
  14 #include "wx/region.h"
  15
  16 class WXDLLIMPEXP_CORE wxWindow;
  17
  18 //-----------------------------------------------------------------------------
  19 // wxWindowDC
  20 //-----------------------------------------------------------------------------
  21
  22 #if wxUSE_NEW_DC
  23 class WXDLLIMPEXP_CORE wxGTKWindowImplDC : public wxGTKImplDC
  24 #else
  25 #define wxGTKWindowImplDC wxWindowDC
  26 class WXDLLIMPEXP_CORE wxWindowDC : public wxDC
  27 #endif
  28 {
  29 public:
  30     wxGTKWindowImplDC();
  31     wxGTKWindowImplDC( wxWindow *win );
  32
  33     virtual ~wxGTKWindowImplDC();
  34
  35     virtual bool CanDrawBitmap() const { return true; }
  36     virtual bool CanGetTextExtent() const { return true; }
  37
  38 protected:
  39     virtual void DoGetSize(int *width, int *height) const;
  40     virtual bool DoFloodFill( wxCoord x, wxCoord y, const wxColour& col, int style=wxFLOOD_SURFACE );
  41     virtual bool DoGetPixel( wxCoord x1, wxCoord y1, wxColour *col ) const;
  42
  43     virtual void DoDrawLine( wxCoord x1, wxCoord y1, wxCoord x2, wxCoord y2 );
  44     virtual void DoCrossHair( wxCoord x, wxCoord y );
  45     virtual void DoDrawArc( wxCoord x1, wxCoord y1, wxCoord x2, wxCoord y2,
  46                             wxCoord xc, wxCoord yc );
  47     virtual void DoDrawEllipticArc( wxCoord x, wxCoord y, wxCoord width, wxCoord height,
  48                                     double sa, double ea );
  49     virtual void DoDrawPoint( wxCoord x, wxCoord y );
  50
  51     virtual void DoDrawLines(int n, wxPoint points[],
  52                              wxCoord xoffset, wxCoord yoffset);
  53     virtual void DoDrawPolygon(int n, wxPoint points[],
  54                                wxCoord xoffset, wxCoord yoffset,
  55                                int fillStyle = wxODDEVEN_RULE);
  56
  57     virtual void DoDrawRectangle( wxCoord x, wxCoord y, wxCoord width, wxCoord height );
  58     virtual void DoDrawRoundedRectangle( wxCoord x, wxCoord y, wxCoord width, wxCoord height, double radius = 20.0 );
  59     virtual void DoDrawEllipse( wxCoord x, wxCoord y, wxCoord width, wxCoord height );
  60
  61     virtual void DoDrawIcon( const wxIcon &icon, wxCoord x, wxCoord y );
  62     virtual void DoDrawBitmap( const wxBitmap &bitmap, wxCoord x, wxCoord y,
  63                                bool useMask = false );
  64
  65     virtual bool DoBlit( wxCoord xdest, wxCoord ydest, wxCoord width, wxCoord height,
  66                          wxDC *source, wxCoord xsrc, wxCoord ysrc,
  67                          int logical_func = wxCOPY, bool useMask = false, wxCoord xsrcMask = -1, wxCoord ysrcMask = -1 );
  68
  69     virtual void DoDrawText( const wxString &text, wxCoord x, wxCoord y );
  70     virtual void DoDrawRotatedText(const wxString& text, wxCoord x, wxCoord y,
  71                                    double angle);
  72     virtual void DoGetTextExtent( const wxString &string,
  73                                 wxCoord *width, wxCoord *height,
  74                                 wxCoord *descent = (wxCoord *) NULL,
  75                                 wxCoord *externalLeading = (wxCoord *) NULL,
  76                                 const wxFont *theFont = (wxFont *) NULL) const;
  77     virtual bool DoGetPartialTextExtents(const wxString& text, wxArrayInt& widths) const;
  78     virtual void DoSetClippingRegion( wxCoord x, wxCoord y, wxCoord width, wxCoord height );
  79     virtual void DoSetClippingRegionAsRegion( const wxRegion &region );
  80
  81
  82 public:
  83     virtual wxCoord GetCharWidth() const;
  84     virtual wxCoord GetCharHeight() const;
  85
  86     virtual void Clear();
  87
  88     virtual void SetFont( const wxFont &font );
  89     virtual void SetPen( const wxPen &pen );
  90     virtual void SetBrush( const wxBrush &brush );
  91     virtual void SetBackground( const wxBrush &brush );
  92     virtual void SetLogicalFunction( int function );
  93     virtual void SetTextForeground( const wxColour &col );
  94     virtual void SetTextBackground( const wxColour &col );
  95     virtual void SetBackgroundMode( int mode );
  96     virtual void SetPalette( const wxPalette& palette );
  97
  98     virtual void DestroyClippingRegion();
  99
 100     // Resolution in pixels per logical inch
 101     virtual wxSize GetPPI() const;
 102     virtual int GetDepth() const;
 103
 104     // overrriden here for RTL
 105     virtual void SetDeviceOrigin( wxCoord x, wxCoord y );
 106     virtual void SetAxisOrientation( bool xLeftRight, bool yBottomUp );
 107
 108 // protected:
 109     // implementation
 110     // --------------
 111
 112     GdkWindow    *m_window;
 113     GdkGC        *m_penGC;
 114     GdkGC        *m_brushGC;
 115     GdkGC        *m_textGC;
 116     GdkGC        *m_bgGC;
 117     GdkColormap  *m_cmap;
 118     bool          m_isMemDC;
 119     bool          m_isScreenDC;
 120     wxWindow     *m_owner;
 121     wxRegion      m_currentClippingRegion;
 122     wxRegion      m_paintClippingRegion;
 123
 124     // PangoContext stuff for GTK 2.0
 125     PangoContext *m_context;
 126     PangoLayout *m_layout;
 127     PangoFontDescription *m_fontdesc;
 128
 129     void SetUpDC();
 130     void Destroy();
 131
 132     virtual void ComputeScaleAndOrigin();
 133
 134     virtual GdkWindow *GetGDKWindow() const { return m_window; }
 135
 136 private:
 137     DECLARE_DYNAMIC_CLASS(wxGTKWindowImplDC)
 138 };
 139
 140 //-----------------------------------------------------------------------------
 141 // wxClientDC
 142 //-----------------------------------------------------------------------------
 143
 144 #if wxUSE_NEW_DC
 145 class WXDLLIMPEXP_CORE wxGTKClientImplDC : public wxGTKWindowImplDC
 146 #else
 147 #define wxGTKClientImplDC wxClientDC
 148 class WXDLLIMPEXP_CORE wxClientDC : public wxWindowDC
 149 #endif
 150 {
 151 public:
 152     wxGTKClientImplDC() { }
 153     wxGTKClientImplDC( wxWindow *win );
 154
 155 protected:
 156     virtual void DoGetSize(int *width, int *height) const;
 157
 158 private:
 159     DECLARE_DYNAMIC_CLASS(wxGTKClientImplDC)
 160 };
 161
 162 //-----------------------------------------------------------------------------
 163 // wxPaintDC
 164 //-----------------------------------------------------------------------------
 165
 166 #if wxUSE_NEW_DC
 167 class WXDLLIMPEXP_CORE wxGTKPaintImplDC : public wxGTKClientImplDC
 168 #else
 169 #define wxGTKPaintImplDC wxPaintDC
 170 class WXDLLIMPEXP_CORE wxPaintDC : public wxClientDC
 171 #endif
 172 {
 173 public:
 174     wxGTKPaintImplDC() { }
 175     wxGTKPaintImplDC( wxWindow *win );
 176
 177 private:
 178     DECLARE_DYNAMIC_CLASS(wxGTKPaintImplDC)
 179 };
 180
 181 #endif // __GTKDCCLIENTH__