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 // Copyright:   (c) Julian Smart
   8 // Licence:     wxWindows licence
   9 /////////////////////////////////////////////////////////////////////////////
  10
  11 #ifndef _WX_DCCLIENT_H_
  12 #define _WX_DCCLIENT_H_
  13
  14 #include "wx/dc.h"
  15 #include "wx/dcclient.h"
  16 #include "wx/x11/dc.h"
  17 #include "wx/region.h"
  18
  19 // -----------------------------------------------------------------------------
  20 // fwd declarations
  21 // -----------------------------------------------------------------------------
  22
  23 class WXDLLIMPEXP_FWD_CORE wxWindow;
  24
  25 //-----------------------------------------------------------------------------
  26 // wxWindowDCImpl
  27 //-----------------------------------------------------------------------------
  28
  29 class WXDLLIMPEXP_CORE wxWindowDCImpl : public wxX11DCImpl
  30 {
  31 public:
  32     wxWindowDCImpl( wxDC *owner );
  33     wxWindowDCImpl( wxDC *owner, wxWindow *win );
  34
  35     virtual ~wxWindowDCImpl();
  36
  37     virtual bool CanDrawBitmap() const { return true; }
  38     virtual bool CanGetTextExtent() const { return true; }
  39
  40 protected:
  41     virtual void DoGetSize(int *width, int *height) const;
  42     virtual bool DoFloodFill( wxCoord x, wxCoord y, const wxColour& col,
  43                               wxFloodFillStyle 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         wxRasterOperationMode rop = wxCOPY, bool useMask = false,
  73         wxCoord xsrcMask = -1, wxCoord ysrcMask = -1);
  74
  75     virtual void DoSetClippingRegion(wxCoord x, wxCoord y,
  76         wxCoord width, wxCoord height);
  77     virtual void DoSetDeviceClippingRegion(const wxRegion& region);
  78
  79     virtual void DoDrawLines(int n, const wxPoint points[],
  80         wxCoord xoffset, wxCoord yoffset);
  81     virtual void DoDrawPolygon(int n, const wxPoint points[],
  82         wxCoord xoffset, wxCoord yoffset,
  83         wxPolygonFillMode fillStyle = wxODDEVEN_RULE);
  84
  85
  86 public:
  87     virtual void Clear();
  88
  89     virtual void SetFont(const wxFont& font);
  90     virtual void SetPen(const wxPen& pen);
  91     virtual void SetBrush(const wxBrush& brush);
  92     virtual void SetBackground(const wxBrush& brush);
  93     virtual void SetBackgroundMode(int mode);
  94     virtual void SetPalette(const wxPalette& palette);
  95     virtual void SetLogicalFunction( wxRasterOperationMode function );
  96
  97     virtual void SetTextForeground(const wxColour& colour);
  98     virtual void SetTextBackground(const wxColour& colour);
  99
 100     virtual wxCoord GetCharHeight() const;
 101     virtual wxCoord GetCharWidth() const;
 102
 103     virtual int GetDepth() const;
 104     virtual wxSize GetPPI() const;
 105
 106     virtual void DestroyClippingRegion();
 107     WXWindow GetX11Window() const { return m_x11window; }
 108
 109     virtual void ComputeScaleAndOrigin();
 110
 111 protected:
 112     // implementation
 113     // --------------
 114     virtual void DoGetTextExtent(const wxString& string,
 115         wxCoord *x, wxCoord *y,
 116         wxCoord *descent = NULL,
 117         wxCoord *externalLeading = NULL,
 118         const wxFont *theFont = NULL) const;
 119
 120     void Init();
 121
 122     WXDisplay    *m_display;
 123     WXWindow      m_x11window;
 124     WXGC          m_penGC;
 125     WXGC          m_brushGC;
 126     WXGC          m_textGC;
 127     WXGC          m_bgGC;
 128     WXColormap    m_cmap;
 129     bool          m_isMemDC;
 130     bool          m_isScreenDC;
 131     wxRegion      m_currentClippingRegion;
 132     wxRegion      m_paintClippingRegion;
 133
 134 #if wxUSE_UNICODE
 135     PangoContext *m_context;
 136     PangoFontDescription *m_fontdesc;
 137 #endif
 138
 139     void SetUpDC();
 140     void Destroy();
 141
 142 private:
 143     DECLARE_CLASS(wxWindowDCImpl)
 144 };
 145
 146 //-----------------------------------------------------------------------------
 147 // wxClientDC
 148 //-----------------------------------------------------------------------------
 149
 150 class WXDLLIMPEXP_CORE wxClientDCImpl : public wxWindowDCImpl
 151 {
 152 public:
 153     wxClientDCImpl( wxDC *owner ) : wxWindowDCImpl( owner ) { }
 154     wxClientDCImpl( wxDC *owner, wxWindow *win );
 155
 156 protected:
 157     virtual void DoGetSize(int *width, int *height) const;
 158
 159 private:
 160     DECLARE_CLASS(wxClientDCImpl)
 161 };
 162
 163 //-----------------------------------------------------------------------------
 164 // wxPaintDC
 165 //-----------------------------------------------------------------------------
 166
 167 class WXDLLIMPEXP_CORE wxPaintDCImpl : public wxClientDCImpl
 168 {
 169 public:
 170     wxPaintDCImpl( wxDC *owner ) : wxClientDCImpl( owner ) { }
 171     wxPaintDCImpl( wxDC *owner, wxWindow *win );
 172
 173 private:
 174     DECLARE_CLASS(wxPaintDCImpl)
 175 };
 176
 177 #endif
 178 // _WX_DCCLIENT_H_