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_FWD_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
  31
  32 #if wxUSE_NEW_DC
  33     wxGTKWindowImplDC( wxDC *owner );
  34     wxGTKWindowImplDC( wxDC *owner, wxWindow *win );
  35 #else
  36     wxWindowDC();
  37     wxWindowDC( wxWindow *win );
  38 #endif
  39
  40     virtual ~wxGTKWindowImplDC();
  41
  42     virtual bool CanDrawBitmap() const { return true; }
  43     virtual bool CanGetTextExtent() const { return true; }
  44
  45 protected:
  46     virtual void DoGetSize(int *width, int *height) const;
  47     virtual bool DoFloodFill( wxCoord x, wxCoord y, const wxColour& col, int style=wxFLOOD_SURFACE );
  48     virtual bool DoGetPixel( wxCoord x1, wxCoord y1, wxColour *col ) const;
  49
  50     virtual void DoDrawLine( wxCoord x1, wxCoord y1, wxCoord x2, wxCoord y2 );
  51     virtual void DoCrossHair( wxCoord x, wxCoord y );
  52     virtual void DoDrawArc( wxCoord x1, wxCoord y1, wxCoord x2, wxCoord y2,
  53                             wxCoord xc, wxCoord yc );
  54     virtual void DoDrawEllipticArc( wxCoord x, wxCoord y, wxCoord width, wxCoord height,
  55                                     double sa, double ea );
  56     virtual void DoDrawPoint( wxCoord x, wxCoord y );
  57
  58     virtual void DoDrawLines(int n, wxPoint points[],
  59                              wxCoord xoffset, wxCoord yoffset);
  60     virtual void DoDrawPolygon(int n, wxPoint points[],
  61                                wxCoord xoffset, wxCoord yoffset,
  62                                int fillStyle = wxODDEVEN_RULE);
  63
  64     virtual void DoDrawRectangle( wxCoord x, wxCoord y, wxCoord width, wxCoord height );
  65     virtual void DoDrawRoundedRectangle( wxCoord x, wxCoord y, wxCoord width, wxCoord height, double radius = 20.0 );
  66     virtual void DoDrawEllipse( wxCoord x, wxCoord y, wxCoord width, wxCoord height );
  67
  68     virtual void DoDrawIcon( const wxIcon &icon, wxCoord x, wxCoord y );
  69     virtual void DoDrawBitmap( const wxBitmap &bitmap, wxCoord x, wxCoord y,
  70                                bool useMask = false );
  71
  72     virtual bool DoBlit( wxCoord xdest, wxCoord ydest, wxCoord width, wxCoord height,
  73                          wxDC *source, wxCoord xsrc, wxCoord ysrc,
  74                          int logical_func = wxCOPY, bool useMask = false, wxCoord xsrcMask = -1, wxCoord ysrcMask = -1 );
  75
  76     virtual void DoDrawText( const wxString &text, wxCoord x, wxCoord y );
  77     virtual void DoDrawRotatedText(const wxString& text, wxCoord x, wxCoord y,
  78                                    double angle);
  79     virtual void DoGetTextExtent( const wxString &string,
  80                                 wxCoord *width, wxCoord *height,
  81                                 wxCoord *descent = (wxCoord *) NULL,
  82                                 wxCoord *externalLeading = (wxCoord *) NULL,
  83                                 const wxFont *theFont = (wxFont *) NULL) const;
  84     virtual bool DoGetPartialTextExtents(const wxString& text, wxArrayInt& widths) const;
  85     virtual void DoSetClippingRegion( wxCoord x, wxCoord y, wxCoord width, wxCoord height );
  86     virtual void DoSetClippingRegionAsRegion( const wxRegion &region );
  87
  88
  89 public:
  90     virtual wxCoord GetCharWidth() const;
  91     virtual wxCoord GetCharHeight() const;
  92
  93     virtual void Clear();
  94
  95     virtual void SetFont( const wxFont &font );
  96     virtual void SetPen( const wxPen &pen );
  97     virtual void SetBrush( const wxBrush &brush );
  98     virtual void SetBackground( const wxBrush &brush );
  99     virtual void SetLogicalFunction( int function );
 100     virtual void SetTextForeground( const wxColour &col );
 101     virtual void SetTextBackground( const wxColour &col );
 102     virtual void SetBackgroundMode( int mode );
 103     virtual void SetPalette( const wxPalette& palette );
 104
 105     virtual void DestroyClippingRegion();
 106
 107     // Resolution in pixels per logical inch
 108     virtual wxSize GetPPI() const;
 109     virtual int GetDepth() const;
 110
 111     // overrriden here for RTL
 112     virtual void SetDeviceOrigin( wxCoord x, wxCoord y );
 113     virtual void SetAxisOrientation( bool xLeftRight, bool yBottomUp );
 114
 115 // protected:
 116     // implementation
 117     // --------------
 118
 119     GdkWindow    *m_window;
 120     GdkGC        *m_penGC;
 121     GdkGC        *m_brushGC;
 122     GdkGC        *m_textGC;
 123     GdkGC        *m_bgGC;
 124     GdkColormap  *m_cmap;
 125     bool          m_isScreenDC;
 126     wxWindow     *m_owningWindow;
 127     wxRegion      m_currentClippingRegion;
 128     wxRegion      m_paintClippingRegion;
 129
 130     // PangoContext stuff for GTK 2.0
 131     PangoContext *m_context;
 132     PangoLayout *m_layout;
 133     PangoFontDescription *m_fontdesc;
 134
 135     void SetUpDC( bool ismem = false );
 136     void Destroy();
 137
 138     virtual void ComputeScaleAndOrigin();
 139
 140     virtual GdkWindow *GetGDKWindow() const { return m_window; }
 141
 142 private:
 143     DECLARE_ABSTRACT_CLASS(wxGTKWindowImplDC)
 144 };
 145
 146 //-----------------------------------------------------------------------------
 147 // wxClientDC
 148 //-----------------------------------------------------------------------------
 149
 150 #if wxUSE_NEW_DC
 151 class WXDLLIMPEXP_CORE wxGTKClientImplDC : public wxGTKWindowImplDC
 152 #else
 153 #define wxGTKClientImplDC wxClientDC
 154 class WXDLLIMPEXP_CORE wxClientDC : public wxWindowDC
 155 #endif
 156 {
 157 public:
 158
 159 #if wxUSE_NEW_DC
 160     wxGTKClientImplDC( wxDC *owner );
 161     wxGTKClientImplDC( wxDC *owner, wxWindow *win );
 162 #else
 163     wxClientDC();
 164     wxClientDC( wxWindow *win );
 165 #endif
 166
 167 protected:
 168     virtual void DoGetSize(int *width, int *height) const;
 169
 170 private:
 171     DECLARE_ABSTRACT_CLASS(wxGTKClientImplDC)
 172 };
 173
 174 //-----------------------------------------------------------------------------
 175 // wxPaintDC
 176 //-----------------------------------------------------------------------------
 177
 178 #if wxUSE_NEW_DC
 179 class WXDLLIMPEXP_CORE wxGTKPaintImplDC : public wxGTKClientImplDC
 180 #else
 181 #define wxGTKPaintImplDC wxPaintDC
 182 class WXDLLIMPEXP_CORE wxPaintDC : public wxClientDC
 183 #endif
 184 {
 185 public:
 186
 187 #if wxUSE_NEW_DC
 188     wxGTKPaintImplDC( wxDC *owner );
 189     wxGTKPaintImplDC( wxDC *owner, wxWindow *win );
 190 #else
 191     wxPaintDC();
 192     wxPaintDC( wxWindow *win );
 193 #endif
 194
 195 private:
 196     DECLARE_ABSTRACT_CLASS(wxGTKPaintImplDC)
 197 };
 198
 199 #endif // __GTKDCCLIENTH__