include/wx/gtk1/dcclient.h

   1 /////////////////////////////////////////////////////////////////////////////
   2 // Name:        wx/gtk1/dcclient.h
   3 // Purpose:
   4 // Author:      Robert Roebling
   5 // Copyright:   (c) 1998 Robert Roebling
   6 // Licence:     wxWindows licence
   7 /////////////////////////////////////////////////////////////////////////////
   8
   9 #ifndef __GTKDCCLIENTH__
  10 #define __GTKDCCLIENTH__
  11
  12 #include "wx/gtk1/dc.h"
  13 #include "wx/window.h"
  14
  15 //-----------------------------------------------------------------------------
  16 // classes
  17 //-----------------------------------------------------------------------------
  18
  19 class WXDLLIMPEXP_FWD_CORE wxWindowDCImpl;
  20 class WXDLLIMPEXP_FWD_CORE wxPaintDCImpl;
  21 class WXDLLIMPEXP_FWD_CORE wxClientDCImpl;
  22
  23 //-----------------------------------------------------------------------------
  24 // wxWindowDCImpl
  25 //-----------------------------------------------------------------------------
  26
  27 class WXDLLIMPEXP_CORE wxWindowDCImpl : public wxGTKDCImpl
  28 {
  29 public:
  30     wxWindowDCImpl(wxDC *owner);
  31     wxWindowDCImpl(wxDC *owner, wxWindow *win);
  32
  33     virtual ~wxWindowDCImpl();
  34
  35     virtual bool CanDrawBitmap() const { return true; }
  36     virtual bool CanGetTextExtent() const { return true; }
  37
  38 protected:
  39     virtual void DoGetSize(int *width, int *height) const;
  40     virtual bool DoFloodFill( wxCoord x, wxCoord y, const wxColour& col, wxFloodFillStyle style=wxFLOOD_SURFACE );
  41     virtual bool DoGetPixel( wxCoord x1, wxCoord y1, wxColour *col ) const;
  42
  43     virtual void DoDrawLine( wxCoord x1, wxCoord y1, wxCoord x2, wxCoord y2 );
  44     virtual void DoCrossHair( wxCoord x, wxCoord y );
  45     virtual void DoDrawArc( wxCoord x1, wxCoord y1, wxCoord x2, wxCoord y2,
  46                             wxCoord xc, wxCoord yc );
  47     virtual void DoDrawEllipticArc( wxCoord x, wxCoord y, wxCoord width, wxCoord height,
  48                                     double sa, double ea );
  49     virtual void DoDrawPoint( wxCoord x, wxCoord y );
  50
  51     virtual void DoDrawLines(int n, const wxPoint points[],
  52                              wxCoord xoffset, wxCoord yoffset);
  53     virtual void DoDrawPolygon(int n, const wxPoint points[],
  54                                wxCoord xoffset, wxCoord yoffset,
  55                                wxPolygonFillMode fillStyle = wxODDEVEN_RULE);
  56
  57     virtual void DoDrawRectangle( wxCoord x, wxCoord y, wxCoord width, wxCoord height );
  58     virtual void DoDrawRoundedRectangle( wxCoord x, wxCoord y, wxCoord width, wxCoord height, double radius = 20.0 );
  59     virtual void DoDrawEllipse( wxCoord x, wxCoord y, wxCoord width, wxCoord height );
  60
  61     virtual void DoDrawIcon( const wxIcon &icon, wxCoord x, wxCoord y );
  62     virtual void DoDrawBitmap( const wxBitmap &bitmap, wxCoord x, wxCoord y,
  63                                bool useMask = false );
  64
  65     virtual bool DoBlit( wxCoord xdest, wxCoord ydest, wxCoord width, wxCoord height,
  66                          wxDC *source, wxCoord xsrc, wxCoord ysrc,
  67                          wxRasterOperationMode logical_func = wxCOPY, bool useMask = false,
  68                          wxCoord xsrcMask = -1, wxCoord ysrcMask = -1 );
  69
  70     virtual void DoDrawText( const wxString &text, wxCoord x, wxCoord y );
  71     virtual void DoDrawRotatedText(const wxString& text, wxCoord x, wxCoord y,
  72                                    double angle);
  73     virtual void DoGetTextExtent( const wxString &string,
  74                                 wxCoord *width, wxCoord *height,
  75                                 wxCoord *descent = NULL,
  76                                 wxCoord *externalLeading = NULL,
  77                                 const wxFont *theFont = NULL) const;
  78
  79 public:
  80     virtual wxCoord GetCharWidth() const;
  81     virtual wxCoord 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( wxRasterOperationMode 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( wxCoord x, wxCoord y, wxCoord width, wxCoord height );
  96     virtual void DestroyClippingRegion();
  97     virtual void DoSetDeviceClippingRegion( const wxRegion &region );
  98
  99     // Resolution in pixels per logical inch
 100     virtual wxSize GetPPI() const;
 101     virtual int GetDepth() const;
 102
 103     virtual GdkWindow* GetGDKWindow() const { return m_window; }
 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     bool          m_isScreenDC;
 116     wxWindow     *m_owner;
 117     wxRegion      m_currentClippingRegion;
 118     wxRegion      m_paintClippingRegion;
 119
 120     void SetUpDC();
 121     void Destroy();
 122     virtual void ComputeScaleAndOrigin();
 123
 124     GdkWindow *GetWindow() { return m_window; }
 125
 126 private:
 127     DECLARE_DYNAMIC_CLASS(wxWindowDCImpl)
 128 };
 129
 130 //-----------------------------------------------------------------------------
 131 // wxClientDCImpl
 132 //-----------------------------------------------------------------------------
 133
 134 class WXDLLIMPEXP_CORE wxClientDCImpl : public wxWindowDCImpl
 135 {
 136 public:
 137     wxClientDCImpl(wxDC *owner) : wxWindowDCImpl(owner) { }
 138     wxClientDCImpl(wxDC *owner, wxWindow *win);
 139
 140 protected:
 141     virtual void DoGetSize(int *width, int *height) const;
 142
 143 private:
 144     DECLARE_DYNAMIC_CLASS(wxClientDCImpl)
 145 };
 146
 147 //-----------------------------------------------------------------------------
 148 // wxPaintDCImpl
 149 //-----------------------------------------------------------------------------
 150
 151 class WXDLLIMPEXP_CORE wxPaintDCImpl : public wxClientDCImpl
 152 {
 153 public:
 154     wxPaintDCImpl(wxDC *owner) : wxClientDCImpl(owner) { }
 155     wxPaintDCImpl(wxDC *owner, wxWindow *win);
 156
 157 private:
 158     DECLARE_DYNAMIC_CLASS(wxPaintDCImpl)
 159 };
 160
 161 #endif // __GTKDCCLIENTH__