include/wx/motif/dcclient.h

   1 /////////////////////////////////////////////////////////////////////////////
   2 // Name:        dcclient.h
   3 // Purpose:     wxClientDC, wxPaintDC and wxWindowDC classes
   4 // Author:      Julian Smart
   5 // Modified by:
   6 // Created:     17/09/98
   7 // RCS-ID:      $Id$
   8 // Copyright:   (c) Julian Smart
   9 // Licence:     wxWindows licence
  10 /////////////////////////////////////////////////////////////////////////////
  11
  12 #ifndef _WX_DCCLIENT_H_
  13 #define _WX_DCCLIENT_H_
  14
  15 #ifdef __GNUG__
  16 #pragma interface "dcclient.h"
  17 #endif
  18
  19 #include "wx/dc.h"
  20
  21 //-----------------------------------------------------------------------------
  22 // classes
  23 //-----------------------------------------------------------------------------
  24
  25 class WXDLLEXPORT wxWindowDC;
  26 class WXDLLEXPORT wxWindow;
  27
  28 // Under Windows, wxClientDC, wxPaintDC and wxWindowDC are implemented differently.
  29 // On many platforms, however, they will be the same.
  30
  31 //-----------------------------------------------------------------------------
  32 // wxWindowDC
  33 //-----------------------------------------------------------------------------
  34
  35 class WXDLLEXPORT wxWindowDC: public wxDC
  36 {
  37   DECLARE_DYNAMIC_CLASS(wxWindowDC)
  38
  39   public:
  40
  41     wxWindowDC(void);
  42     wxWindowDC( wxWindow *win );
  43
  44     ~wxWindowDC(void);
  45
  46     virtual void FloodFill( long x1, long y1, const wxColour& col, int style=wxFLOOD_SURFACE );
  47     virtual bool GetPixel( long x1, long y1, wxColour *col ) const;
  48
  49     virtual void DrawLine( long x1, long y1, long x2, long y2 );
  50     virtual void CrossHair( long x, long y );
  51     virtual void DrawArc( long x1, long y1, long x2, long y2, long xc, long yc );
  52     virtual void DrawEllipticArc( long x, long y, long width, long height, double sa, double ea );
  53     virtual void DrawPoint( long x, long y );
  54
  55     virtual void DrawLines( int n, wxPoint points[], long xoffset = 0, long yoffset = 0 );
  56     virtual void DrawLines( wxList *points, long xoffset = 0, long yoffset = 0 );
  57     virtual void DrawPolygon( int n, wxPoint points[], long xoffset = 0, long yoffset = 0,
  58                               int fillStyle=wxODDEVEN_RULE );
  59     virtual void DrawPolygon( wxList *lines, long xoffset = 0, long yoffset = 0,
  60                               int fillStyle=wxODDEVEN_RULE );
  61
  62     virtual void DrawRectangle( long x, long y, long width, long height );
  63     virtual void DrawRoundedRectangle( long x, long y, long width, long height, double radius = 20.0 );
  64     virtual void DrawEllipse( long x, long y, long width, long height );
  65
  66     virtual bool CanDrawBitmap(void) const;
  67     virtual void DrawIcon( const wxIcon &icon, long x, long y);
  68     virtual bool Blit( long xdest, long ydest, long width, long height,
  69        wxDC *source, long xsrc, long ysrc, int logical_func = wxCOPY, bool useMask=FALSE );
  70
  71     virtual void DrawText( const wxString &text, long x, long y, bool use16 = FALSE );
  72     virtual bool CanGetTextExtent(void) const;
  73     virtual void GetTextExtent( const wxString &string, long *width, long *height,
  74                      long *descent = NULL, long *externalLeading = NULL,
  75                      wxFont *theFont = NULL, bool use16 = FALSE );
  76     virtual long GetCharWidth(void);
  77     virtual long GetCharHeight(void);
  78
  79     virtual void Clear(void);
  80     virtual void Clear(const wxRect& rect);
  81
  82     virtual void SetFont( const wxFont &font );
  83     virtual void SetPen( const wxPen &pen );
  84     virtual void SetBrush( const wxBrush &brush );
  85     virtual void SetBackground( const wxBrush &brush );
  86     virtual void SetLogicalFunction( int function );
  87     virtual void SetTextForeground( const wxColour &col );
  88     virtual void SetTextBackground( const wxColour &col );
  89     virtual void SetBackgroundMode( int mode );
  90     virtual void SetPalette( const wxPalette& palette );
  91
  92     virtual void SetClippingRegion( long x, long y, long width, long height );
  93     virtual void SetClippingRegion( const wxRegion& region );
  94     virtual void DestroyClippingRegion(void);
  95
  96     virtual void DrawSpline( wxList *points );
  97
  98     // Motif-specific
  99     void SetDCClipping (); // Helper function for setting clipping
 100
 101     inline WXGC GetGC() const { return m_gc; }
 102     inline WXDisplay* GetDisplay() const { return m_display; }
 103     inline bool GetAutoSetting() const { return m_autoSetting; }
 104     inline void SetAutoSetting(bool flag) { m_autoSetting = flag; }
 105
 106 protected:
 107     WXGC         m_gc;
 108     WXGC         m_gcBacking;
 109     WXDisplay*   m_display;
 110     wxWindow*    m_window;
 111     WXRegion     m_currentRegion; // Current clipping region (incl. paint clip region)
 112     WXRegion     m_userRegion;    // User-defined clipping region
 113     WXPixmap     m_pixmap;        // Pixmap for drawing on
 114
 115     // Not sure if we'll need all of these
 116     int          m_backgroundPixel;
 117     wxColour     m_currentColour;
 118 //    int          m_currentBkMode;
 119     int          m_currentPenWidth ;
 120     int          m_currentPenJoin ;
 121     int          m_currentPenCap ;
 122     int          m_currentPenDashCount ;
 123     char*        m_currentPenDash ;
 124     wxBitmap     m_currentStipple ;
 125     int          m_currentStyle ;
 126     int          m_currentFill ;
 127     int          m_autoSetting ; // See comment in dcclient.cpp
 128     WXFont       m_oldFont;
 129 };
 130
 131 class WXDLLEXPORT wxPaintDC: public wxWindowDC
 132 {
 133   DECLARE_DYNAMIC_CLASS(wxPaintDC)
 134 public:
 135   wxPaintDC() {}
 136   wxPaintDC(wxWindow* win);
 137   ~wxPaintDC();
 138 };
 139
 140 class WXDLLEXPORT wxClientDC: public wxWindowDC
 141 {
 142   DECLARE_DYNAMIC_CLASS(wxClientDC)
 143 public:
 144   wxClientDC() {}
 145   wxClientDC(wxWindow* win): wxWindowDC(win) {}
 146 };
 147
 148 #endif
 149     // _WX_DCCLIENT_H_