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 #include "wx/dc.h"
  14 #include "wx/gtk/dc.h"
  15 #include "wx/dcclient.h"
  16 #include "wx/region.h"
  17
  18 class WXDLLIMPEXP_FWD_CORE wxWindow;
  19
  20 //-----------------------------------------------------------------------------
  21 // wxWindowDCImpl
  22 //-----------------------------------------------------------------------------
  23
  24 class WXDLLIMPEXP_CORE wxWindowDCImpl : public wxGTKDCImpl
  25 {
  26 public:
  27     wxWindowDCImpl( wxDC *owner );
  28     wxWindowDCImpl( wxDC *owner, wxWindow *win );
  29
  30     virtual ~wxWindowDCImpl();
  31
  32     virtual bool CanDrawBitmap() const { return true; }
  33     virtual bool CanGetTextExtent() const { return true; }
  34
  35 protected:
  36     virtual void DoGetSize(int *width, int *height) const;
  37     virtual bool DoFloodFill( wxCoord x, wxCoord y, const wxColour& col, int style=wxFLOOD_SURFACE );
  38     virtual bool DoGetPixel( wxCoord x1, wxCoord y1, wxColour *col ) const;
  39
  40     virtual void DoDrawLine( wxCoord x1, wxCoord y1, wxCoord x2, wxCoord y2 );
  41     virtual void DoCrossHair( wxCoord x, wxCoord y );
  42     virtual void DoDrawArc( wxCoord x1, wxCoord y1, wxCoord x2, wxCoord y2,
  43                             wxCoord xc, wxCoord yc );
  44     virtual void DoDrawEllipticArc( wxCoord x, wxCoord y, wxCoord width, wxCoord height,
  45                                     double sa, double ea );
  46     virtual void DoDrawPoint( wxCoord x, wxCoord y );
  47
  48     virtual void DoDrawLines(int n, wxPoint points[],
  49                              wxCoord xoffset, wxCoord yoffset);
  50     virtual void DoDrawPolygon(int n, wxPoint points[],
  51                                wxCoord xoffset, wxCoord yoffset,
  52                                int fillStyle = wxODDEVEN_RULE);
  53
  54     virtual void DoDrawRectangle( wxCoord x, wxCoord y, wxCoord width, wxCoord height );
  55     virtual void DoDrawRoundedRectangle( wxCoord x, wxCoord y, wxCoord width, wxCoord height, double radius = 20.0 );
  56     virtual void DoDrawEllipse( wxCoord x, wxCoord y, wxCoord width, wxCoord height );
  57
  58     virtual void DoDrawIcon( const wxIcon &icon, wxCoord x, wxCoord y );
  59     virtual void DoDrawBitmap( const wxBitmap &bitmap, wxCoord x, wxCoord y,
  60                                bool useMask = false );
  61
  62     virtual bool DoBlit( wxCoord xdest, wxCoord ydest, wxCoord width, wxCoord height,
  63                          wxDC *source, wxCoord xsrc, wxCoord ysrc,
  64                          int logical_func = wxCOPY, bool useMask = false, wxCoord xsrcMask = -1, wxCoord ysrcMask = -1 );
  65
  66     virtual void DoDrawText( const wxString &text, wxCoord x, wxCoord y );
  67     virtual void DoDrawRotatedText(const wxString& text, wxCoord x, wxCoord y,
  68                                    double angle);
  69     virtual void DoGetTextExtent( const wxString &string,
  70                                 wxCoord *width, wxCoord *height,
  71                                 wxCoord *descent = (wxCoord *) NULL,
  72                                 wxCoord *externalLeading = (wxCoord *) NULL,
  73                                 const wxFont *theFont = (wxFont *) NULL) const;
  74     virtual bool DoGetPartialTextExtents(const wxString& text, wxArrayInt& widths) const;
  75     virtual void DoSetClippingRegion( wxCoord x, wxCoord y, wxCoord width, wxCoord height );
  76     virtual void DoSetClippingRegionAsRegion( const wxRegion &region );
  77
  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( 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 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     DECLARE_ABSTRACT_CLASS(wxWindowDCImpl)
 133 };
 134
 135 //-----------------------------------------------------------------------------
 136 // wxClientDCImpl
 137 //-----------------------------------------------------------------------------
 138
 139 class WXDLLIMPEXP_CORE wxClientDCImpl : public wxWindowDCImpl
 140 {
 141 public:
 142     wxClientDCImpl( wxDC *owner );
 143     wxClientDCImpl( wxDC *owner, wxWindow *win );
 144
 145 protected:
 146     virtual void DoGetSize(int *width, int *height) const;
 147
 148 private:
 149     DECLARE_ABSTRACT_CLASS(wxClientDCImpl)
 150 };
 151
 152 //-----------------------------------------------------------------------------
 153 // wxPaintDCImpl
 154 //-----------------------------------------------------------------------------
 155
 156 class WXDLLIMPEXP_CORE wxPaintDCImpl : public wxClientDCImpl
 157 {
 158 public:
 159     wxPaintDCImpl( wxDC *owner );
 160     wxPaintDCImpl( wxDC *owner, wxWindow *win );
 161
 162 private:
 163     DECLARE_ABSTRACT_CLASS(wxPaintDCImpl)
 164 };
 165
 166 #endif
 167     // __GTKDCCLIENTH__
 168