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