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 #ifdef __GNUG__
  14 #pragma interface
  15 #endif
  16
  17 #include "wx/dc.h"
  18 #include "wx/window.h"
  19
  20 //-----------------------------------------------------------------------------
  21 // classes
  22 //-----------------------------------------------------------------------------
  23
  24 class wxWindowDC;
  25 class wxPaintDC;
  26 class wxClientDC;
  27
  28 //-----------------------------------------------------------------------------
  29 // wxWindowDC
  30 //-----------------------------------------------------------------------------
  31
  32 class wxWindowDC : public wxDC
  33 {
  34 public:
  35     wxWindowDC();
  36     wxWindowDC( wxWindow *win );
  37
  38     ~wxWindowDC();
  39
  40     virtual bool CanDrawBitmap() const { return TRUE; }
  41     virtual bool CanGetTextExtent() const { return TRUE; }
  42
  43 //protected:
  44     virtual void DoFloodFill( wxCoord x, wxCoord y, const wxColour& col, int style=wxFLOOD_SURFACE );
  45     virtual bool DoGetPixel( wxCoord x1, wxCoord y1, wxColour *col ) const;
  46
  47     virtual void DoDrawLine( wxCoord x1, wxCoord y1, wxCoord x2, wxCoord y2 );
  48     virtual void DoCrossHair( wxCoord x, wxCoord y );
  49     virtual void DoDrawArc( wxCoord x1, wxCoord y1, wxCoord x2, wxCoord y2,
  50                             wxCoord xc, wxCoord yc );
  51     virtual void DoDrawEllipticArc( wxCoord x, wxCoord y, wxCoord width, wxCoord height,
  52                                     double sa, double ea );
  53     virtual void DoDrawPoint( wxCoord x, wxCoord y );
  54
  55     virtual void DoDrawLines(int n, wxPoint points[],
  56                              wxCoord xoffset, wxCoord yoffset);
  57     virtual void DoDrawPolygon(int n, wxPoint points[],
  58                                wxCoord xoffset, wxCoord yoffset,
  59                                int fillStyle = wxODDEVEN_RULE);
  60
  61     virtual void DoDrawRectangle( wxCoord x, wxCoord y, wxCoord width, wxCoord height );
  62     virtual void DoDrawRoundedRectangle( wxCoord x, wxCoord y, wxCoord width, wxCoord height, double radius = 20.0 );
  63     virtual void DoDrawEllipse( wxCoord x, wxCoord y, wxCoord width, wxCoord height );
  64
  65     virtual void DoDrawIcon( const wxIcon &icon, wxCoord x, wxCoord y );
  66     virtual void DoDrawBitmap( const wxBitmap &bitmap, wxCoord x, wxCoord y,
  67                                bool useMask = FALSE );
  68
  69     virtual bool DoBlit( wxCoord xdest, wxCoord ydest, wxCoord width, wxCoord height,
  70                          wxDC *source, wxCoord xsrc, wxCoord ysrc,
  71                          int logical_func = wxCOPY, bool useMask = FALSE );
  72
  73     virtual void DoDrawText( const wxString &text, wxCoord x, wxCoord y );
  74     virtual void DoDrawRotatedText(const wxString& text, wxCoord x, wxCoord y,
  75                                    double angle);
  76     virtual void DoGetTextExtent( const wxString &string,
  77                                 wxCoord *width, wxCoord *height,
  78                                 wxCoord *descent = (wxCoord *) NULL,
  79                                 wxCoord *externalLeading = (wxCoord *) NULL,
  80                                 wxFont *theFont = (wxFont *) NULL) const;
  81     virtual wxCoord GetCharWidth() const;
  82     virtual wxCoord GetCharHeight() const;
  83
  84     virtual void Clear();
  85
  86     virtual void SetFont( const wxFont &font );
  87     virtual void SetPen( const wxPen &pen );
  88     virtual void SetBrush( const wxBrush &brush );
  89     virtual void SetBackground( const wxBrush &brush );
  90     virtual void SetLogicalFunction( int function );
  91     virtual void SetTextForeground( const wxColour &col );
  92     virtual void SetTextBackground( const wxColour &col );
  93     virtual void SetBackgroundMode( int mode );
  94     virtual void SetPalette( const wxPalette& palette );
  95
  96     virtual void DoSetClippingRegion( wxCoord x, wxCoord y, wxCoord width, wxCoord height );
  97     virtual void DestroyClippingRegion();
  98     virtual void DoSetClippingRegionAsRegion( const wxRegion &region  );
  99
 100 #if wxUSE_SPLINES
 101     virtual void DoDrawSpline( wxList *points );
 102 #endif
 103
 104     // Resolution in pixels per logical inch
 105     virtual wxSize GetPPI() const;
 106     virtual int GetDepth() const;
 107
 108     // implementation
 109     // --------------
 110
 111     GdkWindow    *m_window;
 112     GdkGC        *m_penGC;
 113     GdkGC        *m_brushGC;
 114     GdkGC        *m_textGC;
 115     GdkGC        *m_bgGC;
 116     GdkColormap  *m_cmap;
 117     bool          m_isMemDC;
 118     bool          m_isScreenDC;
 119     wxWindow     *m_owner;
 120     wxRegion      m_currentClippingRegion;
 121     wxRegion      m_paintClippingRegion;
 122 #ifdef __WXGTK20__
 123     PangoContext *m_context;
 124     PangoFontDescription *m_fontdesc;
 125 #endif
 126
 127     void SetUpDC();
 128     void Destroy();
 129     void ComputeScaleAndOrigin();
 130
 131     GdkWindow *GetWindow() { return m_window; }
 132
 133 private:
 134     DECLARE_DYNAMIC_CLASS(wxWindowDC)
 135 };
 136
 137 //-----------------------------------------------------------------------------
 138 // wxPaintDC
 139 //-----------------------------------------------------------------------------
 140
 141 class wxPaintDC : public wxWindowDC
 142 {
 143 public:
 144     wxPaintDC();
 145     wxPaintDC( wxWindow *win );
 146
 147 private:
 148     DECLARE_DYNAMIC_CLASS(wxPaintDC)
 149 };
 150
 151 //-----------------------------------------------------------------------------
 152 // wxClientDC
 153 //-----------------------------------------------------------------------------
 154
 155 class wxClientDC : public wxWindowDC
 156 {
 157 public:
 158     wxClientDC();
 159     wxClientDC( wxWindow *win );
 160
 161 private:
 162     DECLARE_DYNAMIC_CLASS(wxClientDC)
 163 };
 164
 165 #endif // __GTKDCCLIENTH__