include/wx/gtk/dcclient.h

   1 /////////////////////////////////////////////////////////////////////////////
   2 // Name:        wx/gtk/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 _WX_GTKDCCLIENT_H_
  11 #define _WX_GTKDCCLIENT_H_
  12
  13 #include "wx/gtk/dc.h"
  14 #include "wx/dcclient.h"
  15 #include "wx/region.h"
  16
  17 class WXDLLIMPEXP_FWD_CORE wxWindow;
  18
  19 //-----------------------------------------------------------------------------
  20 // wxWindowDCImpl
  21 //-----------------------------------------------------------------------------
  22
  23 class WXDLLIMPEXP_CORE wxWindowDCImpl : public wxGTKDCImpl
  24 {
  25 public:
  26     wxWindowDCImpl( wxDC *owner );
  27     wxWindowDCImpl( wxDC *owner, wxWindow *win );
  28
  29     virtual ~wxWindowDCImpl();
  30
  31     virtual bool CanDrawBitmap() const { return true; }
  32     virtual bool CanGetTextExtent() const { return true; }
  33
  34     virtual void DoGetSize(int *width, int *height) const;
  35     virtual bool DoFloodFill( wxCoord x, wxCoord y, const wxColour& col,
  36                               wxFloodFillStyle style=wxFLOOD_SURFACE );
  37     virtual bool DoGetPixel( wxCoord x1, wxCoord y1, wxColour *col ) const;
  38
  39     virtual void DoDrawLine( wxCoord x1, wxCoord y1, wxCoord x2, wxCoord y2 );
  40     virtual void DoCrossHair( wxCoord x, wxCoord y );
  41     virtual void DoDrawArc( wxCoord x1, wxCoord y1, wxCoord x2, wxCoord y2,
  42                             wxCoord xc, wxCoord yc );
  43     virtual void DoDrawEllipticArc( wxCoord x, wxCoord y, wxCoord width, wxCoord height,
  44                                     double sa, double ea );
  45     virtual void DoDrawPoint( wxCoord x, wxCoord y );
  46
  47     virtual void DoDrawLines(int n, wxPoint points[],
  48                              wxCoord xoffset, wxCoord yoffset);
  49     virtual void DoDrawPolygon(int n, wxPoint points[],
  50                                wxCoord xoffset, wxCoord yoffset,
  51                                wxPolygonFillMode fillStyle = wxODDEVEN_RULE);
  52
  53     virtual void DoDrawRectangle( wxCoord x, wxCoord y, wxCoord width, wxCoord height );
  54     virtual void DoDrawRoundedRectangle( wxCoord x, wxCoord y, wxCoord width, wxCoord height, double radius = 20.0 );
  55     virtual void DoDrawEllipse( wxCoord x, wxCoord y, wxCoord width, wxCoord height );
  56
  57     virtual void DoDrawIcon( const wxIcon &icon, wxCoord x, wxCoord y );
  58     virtual void DoDrawBitmap( const wxBitmap &bitmap, wxCoord x, wxCoord y,
  59                                bool useMask = false );
  60
  61     virtual bool DoBlit( wxCoord xdest, wxCoord ydest,
  62                          wxCoord width, wxCoord height,
  63                          wxDC *source, wxCoord xsrc, wxCoord ysrc,
  64                          wxRasterOperationMode logical_func = wxCOPY,
  65                          bool useMask = false,
  66                          wxCoord xsrcMask = -1, wxCoord ysrcMask = -1 );
  67
  68     virtual void DoDrawText( const wxString &text, wxCoord x, wxCoord y );
  69     virtual void DoDrawRotatedText(const wxString& text, wxCoord x, wxCoord y,
  70                                    double angle);
  71     virtual void DoGetTextExtent( const wxString &string,
  72                                 wxCoord *width, wxCoord *height,
  73                                 wxCoord *descent = NULL,
  74                                 wxCoord *externalLeading = NULL,
  75                                 const wxFont *theFont = NULL) const;
  76     virtual bool DoGetPartialTextExtents(const wxString& text, wxArrayInt& widths) const;
  77     virtual void DoSetClippingRegion( wxCoord x, wxCoord y, wxCoord width, wxCoord height );
  78     virtual void DoSetDeviceClippingRegion( const wxRegion &region );
  79
  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 DestroyClippingRegion();
  96
  97     // Resolution in pixels per logical inch
  98     virtual wxSize GetPPI() const;
  99     virtual int GetDepth() const;
 100
 101     // overrriden here for RTL
 102     virtual void SetDeviceOrigin( wxCoord x, wxCoord y );
 103     virtual void SetAxisOrientation( bool xLeftRight, bool yBottomUp );
 104
 105 // protected:
 106     // implementation
 107     // --------------
 108
 109     GdkWindow    *m_gdkwindow;
 110     GdkGC        *m_penGC;
 111     GdkGC        *m_brushGC;
 112     GdkGC        *m_textGC;
 113     GdkGC        *m_bgGC;
 114     GdkColormap  *m_cmap;
 115     bool          m_isScreenDC;
 116     wxRegion      m_currentClippingRegion;
 117     wxRegion      m_paintClippingRegion;
 118
 119     // PangoContext stuff for GTK 2.0
 120     PangoContext *m_context;
 121     PangoLayout *m_layout;
 122     PangoFontDescription *m_fontdesc;
 123
 124     void SetUpDC( bool ismem = false );
 125     void Destroy();
 126
 127     virtual void ComputeScaleAndOrigin();
 128
 129     virtual GdkWindow *GetGDKWindow() const { return m_gdkwindow; }
 130
 131 private:
 132     void DrawingSetup(GdkGC*& gc, bool& originChanged);
 133     GdkPixmap* MonoToColor(GdkPixmap* monoPixmap, int x, int y, int w, int h) const;
 134
 135     DECLARE_ABSTRACT_CLASS(wxWindowDCImpl)
 136 };
 137
 138 //-----------------------------------------------------------------------------
 139 // wxClientDCImpl
 140 //-----------------------------------------------------------------------------
 141
 142 class WXDLLIMPEXP_CORE wxClientDCImpl : public wxWindowDCImpl
 143 {
 144 public:
 145     wxClientDCImpl( wxDC *owner );
 146     wxClientDCImpl( wxDC *owner, wxWindow *win );
 147
 148     virtual void DoGetSize(int *width, int *height) const;
 149
 150     DECLARE_ABSTRACT_CLASS(wxClientDCImpl)
 151 };
 152
 153 //-----------------------------------------------------------------------------
 154 // wxPaintDCImpl
 155 //-----------------------------------------------------------------------------
 156
 157 class WXDLLIMPEXP_CORE wxPaintDCImpl : public wxClientDCImpl
 158 {
 159 public:
 160     wxPaintDCImpl( wxDC *owner );
 161     wxPaintDCImpl( wxDC *owner, wxWindow *win );
 162
 163     DECLARE_ABSTRACT_CLASS(wxPaintDCImpl)
 164 };
 165
 166 #endif // _WX_GTKDCCLIENT_H_