include/wx/gtk1/dcclient.h

   1 /////////////////////////////////////////////////////////////////////////////
   2 // Name:        wx/gtk1/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/gtk1/dc.h"
  14 #include "wx/window.h"
  15
  16 //-----------------------------------------------------------------------------
  17 // classes
  18 //-----------------------------------------------------------------------------
  19
  20 class WXDLLIMPEXP_FWD_CORE wxWindowDCImpl;
  21 class WXDLLIMPEXP_FWD_CORE wxPaintDCImpl;
  22 class WXDLLIMPEXP_FWD_CORE wxClientDCImpl;
  23
  24 //-----------------------------------------------------------------------------
  25 // wxWindowDCImpl
  26 //-----------------------------------------------------------------------------
  27
  28 class WXDLLIMPEXP_CORE wxWindowDCImpl : public wxGTKDCImpl
  29 {
  30 public:
  31     wxWindowDCImpl(wxDC *owner);
  32     wxWindowDCImpl(wxDC *owner, wxWindow *win);
  33
  34     virtual ~wxWindowDCImpl();
  35
  36     virtual bool CanDrawBitmap() const { return true; }
  37     virtual bool CanGetTextExtent() const { return true; }
  38
  39 protected:
  40     virtual void DoGetSize(int *width, int *height) const;
  41     virtual bool DoFloodFill( wxCoord x, wxCoord y, const wxColour& col, wxFloodFillStyle style=wxFLOOD_SURFACE );
  42     virtual bool DoGetPixel( wxCoord x1, wxCoord y1, wxColour *col ) const;
  43
  44     virtual void DoDrawLine( wxCoord x1, wxCoord y1, wxCoord x2, wxCoord y2 );
  45     virtual void DoCrossHair( wxCoord x, wxCoord y );
  46     virtual void DoDrawArc( wxCoord x1, wxCoord y1, wxCoord x2, wxCoord y2,
  47                             wxCoord xc, wxCoord yc );
  48     virtual void DoDrawEllipticArc( wxCoord x, wxCoord y, wxCoord width, wxCoord height,
  49                                     double sa, double ea );
  50     virtual void DoDrawPoint( wxCoord x, wxCoord y );
  51
  52     virtual void DoDrawLines(int n, wxPoint points[],
  53                              wxCoord xoffset, wxCoord yoffset);
  54     virtual void DoDrawPolygon(int n, wxPoint points[],
  55                                wxCoord xoffset, wxCoord yoffset,
  56                                wxPolygonFillMode fillStyle = wxODDEVEN_RULE);
  57
  58     virtual void DoDrawRectangle( wxCoord x, wxCoord y, wxCoord width, wxCoord height );
  59     virtual void DoDrawRoundedRectangle( wxCoord x, wxCoord y, wxCoord width, wxCoord height, double radius = 20.0 );
  60     virtual void DoDrawEllipse( wxCoord x, wxCoord y, wxCoord width, wxCoord height );
  61
  62     virtual void DoDrawIcon( const wxIcon &icon, wxCoord x, wxCoord y );
  63     virtual void DoDrawBitmap( const wxBitmap &bitmap, wxCoord x, wxCoord y,
  64                                bool useMask = false );
  65
  66     virtual bool DoBlit( wxCoord xdest, wxCoord ydest, wxCoord width, wxCoord height,
  67                          wxDC *source, wxCoord xsrc, wxCoord ysrc,
  68                          wxRasterOperationMode logical_func = wxCOPY, bool useMask = false,
  69                          wxCoord xsrcMask = -1, wxCoord ysrcMask = -1 );
  70
  71     virtual void DoDrawText( const wxString &text, wxCoord x, wxCoord y );
  72     virtual void DoDrawRotatedText(const wxString& text, wxCoord x, wxCoord y,
  73                                    double angle);
  74     virtual void DoGetTextExtent( const wxString &string,
  75                                 wxCoord *width, wxCoord *height,
  76                                 wxCoord *descent = (wxCoord *) NULL,
  77                                 wxCoord *externalLeading = (wxCoord *) NULL,
  78                                 const wxFont *theFont = (wxFont *) NULL) const;
  79
  80 public:
  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( wxRasterOperationMode 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 DoSetDeviceClippingRegion( const wxRegion &region );
  99
 100     // Resolution in pixels per logical inch
 101     virtual wxSize GetPPI() const;
 102     virtual int GetDepth() const;
 103
 104     virtual GdkWindow* GetGDKWindow() const { return m_window; }
 105
 106     // implementation
 107     // --------------
 108
 109     GdkWindow    *m_window;
 110     GdkGC        *m_penGC;
 111     GdkGC        *m_brushGC;
 112     GdkGC        *m_textGC;
 113     GdkGC        *m_bgGC;
 114     GdkColormap  *m_cmap;
 115     bool          m_isMemDC;
 116     bool          m_isScreenDC;
 117     wxWindow     *m_owner;
 118     wxRegion      m_currentClippingRegion;
 119     wxRegion      m_paintClippingRegion;
 120
 121     void SetUpDC();
 122     void Destroy();
 123     virtual void ComputeScaleAndOrigin();
 124
 125     GdkWindow *GetWindow() { return m_window; }
 126
 127 private:
 128     DECLARE_DYNAMIC_CLASS(wxWindowDCImpl)
 129 };
 130
 131 //-----------------------------------------------------------------------------
 132 // wxClientDCImpl
 133 //-----------------------------------------------------------------------------
 134
 135 class WXDLLIMPEXP_CORE wxClientDCImpl : public wxWindowDCImpl
 136 {
 137 public:
 138     wxClientDCImpl(wxDC *owner) : wxWindowDCImpl(owner) { }
 139     wxClientDCImpl(wxDC *owner, wxWindow *win);
 140
 141 protected:
 142     virtual void DoGetSize(int *width, int *height) const;
 143
 144 private:
 145     DECLARE_DYNAMIC_CLASS(wxClientDCImpl)
 146 };
 147
 148 //-----------------------------------------------------------------------------
 149 // wxPaintDCImpl
 150 //-----------------------------------------------------------------------------
 151
 152 class WXDLLIMPEXP_CORE wxPaintDCImpl : public wxClientDCImpl
 153 {
 154 public:
 155     wxPaintDCImpl(wxDC *owner) : wxClientDCImpl(owner) { }
 156     wxPaintDCImpl(wxDC *owner, wxWindow *win);
 157
 158 private:
 159     DECLARE_DYNAMIC_CLASS(wxPaintDCImpl)
 160 };
 161
 162 #endif // __GTKDCCLIENTH__