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