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     virtual void DoFloodFill( wxCoord x, wxCoord y, const wxColour& col, int style=wxFLOOD_SURFACE );
  44     virtual bool DoGetPixel( wxCoord x1, wxCoord y1, wxColour *col ) const;
  45
  46     virtual void DoDrawLine( wxCoord x1, wxCoord y1, wxCoord x2, wxCoord y2 );
  47     virtual void DoCrossHair( wxCoord x, wxCoord y );
  48     virtual void DoDrawArc( wxCoord x1, wxCoord y1, wxCoord x2, wxCoord y2,
  49                             wxCoord xc, wxCoord yc );
  50     virtual void DoDrawEllipticArc( wxCoord x, wxCoord y, wxCoord width, wxCoord height,
  51                                     double sa, double ea );
  52     virtual void DoDrawPoint( wxCoord x, wxCoord y );
  53
  54     virtual void DoDrawLines(int n, wxPoint points[],
  55                              wxCoord xoffset, wxCoord yoffset);
  56     virtual void DoDrawPolygon(int n, wxPoint points[],
  57                                wxCoord xoffset, wxCoord yoffset,
  58                                int fillStyle = wxODDEVEN_RULE);
  59
  60     virtual void DoDrawRectangle( wxCoord x, wxCoord y, wxCoord width, wxCoord height );
  61     virtual void DoDrawRoundedRectangle( wxCoord x, wxCoord y, wxCoord width, wxCoord height, double radius = 20.0 );
  62     virtual void DoDrawEllipse( wxCoord x, wxCoord y, wxCoord width, wxCoord height );
  63
  64     virtual void DoDrawIcon( const wxIcon &icon, wxCoord x, wxCoord y );
  65     virtual void DoDrawBitmap( const wxBitmap &bitmap, wxCoord x, wxCoord y,
  66                                bool useMask = FALSE );
  67
  68     virtual bool DoBlit( wxCoord xdest, wxCoord ydest, wxCoord width, wxCoord height,
  69                          wxDC *source, wxCoord xsrc, wxCoord ysrc,
  70                          int logical_func = wxCOPY, bool useMask = FALSE );
  71
  72     virtual void DoDrawText( const wxString &text, wxCoord x, wxCoord y );
  73     virtual void DoGetTextExtent( const wxString &string,
  74                                 wxCoord *width, wxCoord *height,
  75                                 wxCoord *descent = (wxCoord *) NULL,
  76                                 wxCoord *externalLeading = (wxCoord *) NULL,
  77                                 wxFont *theFont = (wxFont *) NULL) const;
  78     virtual wxCoord GetCharWidth() const;
  79     virtual wxCoord GetCharHeight() const;
  80
  81     virtual void Clear();
  82
  83     virtual void SetFont( const wxFont &font );
  84     virtual void SetPen( const wxPen &pen );
  85     virtual void SetBrush( const wxBrush &brush );
  86     virtual void SetBackground( const wxBrush &brush );
  87     virtual void SetLogicalFunction( int function );
  88     virtual void SetTextForeground( const wxColour &col );
  89     virtual void SetTextBackground( const wxColour &col );
  90     virtual void SetBackgroundMode( int mode );
  91     virtual void SetPalette( const wxPalette& palette );
  92
  93     virtual void DoSetClippingRegion( wxCoord x, wxCoord y, wxCoord width, wxCoord height );
  94     virtual void DestroyClippingRegion();
  95     virtual void DoSetClippingRegionAsRegion( const wxRegion &region  );
  96
  97 #if wxUSE_SPLINES
  98     virtual void DoDrawSpline( wxList *points );
  99 #endif
 100
 101     // Resolution in pixels per logical inch
 102     virtual wxSize GetPPI() const;
 103     virtual int GetDepth() const;
 104
 105     // implementation
 106     // --------------
 107
 108     GdkWindow    *m_window;
 109     GdkGC        *m_penGC;
 110     GdkGC        *m_brushGC;
 111     GdkGC        *m_textGC;
 112     GdkGC        *m_bgGC;
 113     GdkColormap  *m_cmap;
 114     bool          m_isMemDC;
 115     wxWindow     *m_owner;
 116
 117     void SetUpDC();
 118     void Destroy();
 119     void ComputeScaleAndOrigin();
 120
 121     GdkWindow *GetWindow() { return m_window; }
 122
 123 private:
 124     DECLARE_DYNAMIC_CLASS(wxWindowDC)
 125 };
 126
 127 //-----------------------------------------------------------------------------
 128 // wxPaintDC
 129 //-----------------------------------------------------------------------------
 130
 131 class wxPaintDC : public wxWindowDC
 132 {
 133 public:
 134     wxPaintDC();
 135     wxPaintDC( wxWindow *win );
 136
 137 private:
 138     DECLARE_DYNAMIC_CLASS(wxPaintDC)
 139 };
 140
 141 //-----------------------------------------------------------------------------
 142 // wxClientDC
 143 //-----------------------------------------------------------------------------
 144
 145 class wxClientDC : public wxWindowDC
 146 {
 147 public:
 148     wxClientDC();
 149     wxClientDC( wxWindow *win );
 150
 151 private:
 152     DECLARE_DYNAMIC_CLASS(wxClientDC)
 153 };
 154
 155 #endif // __GTKDCCLIENTH__