include/wx/x11/dcclient.h

   1 /////////////////////////////////////////////////////////////////////////////
   2 // Name:        wx/x11/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 #include "wx/dc.h"
  16 #include "wx/dcclient.h"
  17 #include "wx/x11/dc.h"
  18 #include "wx/region.h"
  19
  20 // -----------------------------------------------------------------------------
  21 // fwd declarations
  22 // -----------------------------------------------------------------------------
  23
  24 class WXDLLIMPEXP_FWD_CORE wxWindow;
  25
  26 //-----------------------------------------------------------------------------
  27 // wxWindowDCImpl
  28 //-----------------------------------------------------------------------------
  29
  30 class WXDLLIMPEXP_CORE wxWindowDCImpl : public wxX11DCImpl
  31 {
  32 public:
  33     wxWindowDCImpl( wxDC *owner );
  34     wxWindowDCImpl( wxDC *owner, wxWindow *win );
  35
  36     virtual ~wxWindowDCImpl();
  37
  38     virtual bool CanDrawBitmap() const { return true; }
  39     virtual bool CanGetTextExtent() const { return true; }
  40
  41 protected:
  42     virtual void DoGetSize(int *width, int *height) const;
  43     virtual bool DoFloodFill( wxCoord x, wxCoord y, const wxColour& col,
  44                               wxFloodFillStyle style = wxFLOOD_SURFACE );
  45     virtual bool DoGetPixel( wxCoord x, wxCoord y, wxColour *col ) const;
  46
  47     virtual void DoDrawPoint(wxCoord x, wxCoord y);
  48     virtual void DoDrawLine(wxCoord x1, wxCoord y1, wxCoord x2, wxCoord y2);
  49
  50     virtual void DoDrawIcon( const wxIcon &icon, wxCoord x, wxCoord y );
  51     virtual void DoDrawBitmap( const wxBitmap &bitmap, wxCoord x, wxCoord y,
  52                                bool useMask = false );
  53
  54     virtual void DoDrawArc(wxCoord x1, wxCoord y1,
  55         wxCoord x2, wxCoord y2,
  56         wxCoord xc, wxCoord yc);
  57     virtual void DoDrawEllipticArc(wxCoord x, wxCoord y, wxCoord w, wxCoord h,
  58         double sa, double ea);
  59
  60     virtual void DoDrawRectangle(wxCoord x, wxCoord y, wxCoord width, wxCoord height);
  61     virtual void DoDrawRoundedRectangle(wxCoord x, wxCoord y,
  62         wxCoord width, wxCoord height,
  63         double radius);
  64     virtual void DoDrawEllipse(wxCoord x, wxCoord y, wxCoord width, wxCoord height);
  65
  66     virtual void DoCrossHair(wxCoord x, wxCoord y);
  67
  68     virtual void DoDrawText(const wxString& text, wxCoord x, wxCoord y);
  69     virtual void DoDrawRotatedText(const wxString &text, wxCoord x, wxCoord y, double angle);
  70
  71     virtual bool DoBlit(wxCoord xdest, wxCoord ydest, wxCoord width, wxCoord height,
  72         wxDC *source, wxCoord xsrc, wxCoord ysrc,
  73         wxRasterOperationMode rop = wxCOPY, bool useMask = false,
  74         wxCoord xsrcMask = -1, wxCoord ysrcMask = -1);
  75
  76     virtual void DoSetClippingRegion(wxCoord x, wxCoord y,
  77         wxCoord width, wxCoord height);
  78     virtual void DoSetDeviceClippingRegion(const wxRegion& region);
  79
  80     virtual void DoDrawLines(int n, wxPoint points[],
  81         wxCoord xoffset, wxCoord yoffset);
  82     virtual void DoDrawPolygon(int n, wxPoint points[],
  83         wxCoord xoffset, wxCoord yoffset,
  84         wxPolygonFillMode fillStyle = wxODDEVEN_RULE);
  85
  86
  87 public:
  88     virtual void Clear();
  89
  90     virtual void SetFont(const wxFont& font);
  91     virtual void SetPen(const wxPen& pen);
  92     virtual void SetBrush(const wxBrush& brush);
  93     virtual void SetBackground(const wxBrush& brush);
  94     virtual void SetBackgroundMode(int mode);
  95     virtual void SetPalette(const wxPalette& palette);
  96     virtual void SetLogicalFunction( wxRasterOperationMode function );
  97
  98     virtual void SetTextForeground(const wxColour& colour);
  99     virtual void SetTextBackground(const wxColour& colour);
 100
 101     virtual wxCoord GetCharHeight() const;
 102     virtual wxCoord GetCharWidth() const;
 103
 104     virtual int GetDepth() const;
 105     virtual wxSize GetPPI() const;
 106
 107     virtual void DestroyClippingRegion();
 108     WXWindow GetX11Window() const { return m_x11window; }
 109
 110     virtual void ComputeScaleAndOrigin();
 111
 112 protected:
 113     // implementation
 114     // --------------
 115     virtual void DoGetTextExtent(const wxString& string,
 116         wxCoord *x, wxCoord *y,
 117         wxCoord *descent = NULL,
 118         wxCoord *externalLeading = NULL,
 119         const wxFont *theFont = NULL) const;
 120
 121     void Init();
 122
 123     WXDisplay    *m_display;
 124     WXWindow      m_x11window;
 125     WXGC          m_penGC;
 126     WXGC          m_brushGC;
 127     WXGC          m_textGC;
 128     WXGC          m_bgGC;
 129     WXColormap    m_cmap;
 130     bool          m_isMemDC;
 131     bool          m_isScreenDC;
 132     wxRegion      m_currentClippingRegion;
 133     wxRegion      m_paintClippingRegion;
 134
 135 #if wxUSE_UNICODE
 136     PangoContext *m_context;
 137     PangoFontDescription *m_fontdesc;
 138 #endif
 139
 140     void SetUpDC();
 141     void Destroy();
 142
 143 private:
 144     DECLARE_CLASS(wxWindowDCImpl)
 145 };
 146
 147 //-----------------------------------------------------------------------------
 148 // wxClientDC
 149 //-----------------------------------------------------------------------------
 150
 151 class WXDLLIMPEXP_CORE wxClientDCImpl : public wxWindowDCImpl
 152 {
 153 public:
 154     wxClientDCImpl( wxDC *owner ) : wxWindowDCImpl( owner ) { }
 155     wxClientDCImpl( wxDC *owner, wxWindow *win );
 156
 157 protected:
 158     virtual void DoGetSize(int *width, int *height) const;
 159
 160 private:
 161     DECLARE_CLASS(wxClientDCImpl)
 162 };
 163
 164 //-----------------------------------------------------------------------------
 165 // wxPaintDC
 166 //-----------------------------------------------------------------------------
 167
 168 class WXDLLIMPEXP_CORE wxPaintDCImpl : public wxClientDCImpl
 169 {
 170 public:
 171     wxPaintDCImpl( wxDC *owner ) : wxClientDCImpl( owner ) { }
 172     wxPaintDCImpl( wxDC *owner, wxWindow *win );
 173
 174 private:
 175     DECLARE_CLASS(wxPaintDCImpl)
 176 };
 177
 178 #endif
 179 // _WX_DCCLIENT_H_