include/wx/dcsvg.h

   1 /////////////////////////////////////////////////////////////////////////////
   2 // Name:        wx/dcsvg.h
   3 // Purpose:     wxSVGFileDC
   4 // Author:      Chris Elliott
   5 // Modified by:
   6 // Created:
   7 // Copyright:   (c) Chris Elliott
   8 // RCS-ID:      $Id$
   9 // Licence:     wxWindows licence
  10 /////////////////////////////////////////////////////////////////////////////
  11
  12 #ifndef _WX_DCSVG_H_
  13 #define _WX_DCSVG_H_
  14
  15 #include "wx/string.h"
  16 #include "wx/dc.h"
  17
  18 #if wxUSE_SVG
  19
  20 #define wxSVGVersion wxT("v0100")
  21
  22 #ifdef __BORLANDC__
  23 #pragma warn -8008
  24 #pragma warn -8066
  25 #endif
  26
  27 class WXDLLIMPEXP_FWD_BASE wxFileOutputStream;
  28
  29 class WXDLLIMPEXP_CORE wxSVGFileDC : public wxDC
  30 {
  31 public:
  32     wxSVGFileDC (wxString f);
  33     wxSVGFileDC (wxString f, int Width, int Height);
  34     wxSVGFileDC (wxString f, int Width, int Height, float dpi);
  35
  36     virtual ~wxSVGFileDC();
  37
  38     virtual bool CanDrawBitmap() const { return true; }
  39     virtual bool CanGetTextExtent() const { return true; }
  40
  41     virtual int GetDepth() const
  42     {
  43         wxFAIL_MSG(wxT("wxSVGFILEDC::GetDepth Call not implemented"));
  44         return -1;
  45     }
  46
  47     virtual void Clear()
  48     {
  49         wxFAIL_MSG(wxT("wxSVGFILEDC::Clear() Call not implemented \nNot sensible for an output file?"));
  50     }
  51
  52     virtual void DestroyClippingRegion()
  53     {
  54         wxFAIL_MSG(wxT("wxSVGFILEDC::void Call not yet implemented"));
  55     }
  56
  57     virtual wxCoord GetCharHeight() const;
  58     virtual wxCoord GetCharWidth() const;
  59
  60     virtual void SetClippingRegion(wxCoord WXUNUSED(x), wxCoord WXUNUSED(y),
  61                                    wxCoord WXUNUSED(w), wxCoord WXUNUSED(h))
  62     {
  63         wxFAIL_MSG(wxT("wxSVGFILEDC::SetClippingRegion not implemented"));
  64     }
  65
  66     virtual void SetPalette(const wxPalette&  WXUNUSED(palette))
  67     {
  68         wxFAIL_MSG(wxT("wxSVGFILEDC::SetPalette not implemented"));
  69     }
  70
  71     virtual void GetClippingBox(wxCoord *WXUNUSED(x), wxCoord *WXUNUSED(y),
  72                                 wxCoord *WXUNUSED(w), wxCoord *WXUNUSED(h))
  73     {
  74         wxFAIL_MSG(wxT("wxSVGFILEDC::GetClippingBox not implemented"));
  75     }
  76
  77     virtual void SetLogicalFunction(int WXUNUSED(function))
  78     {
  79         wxFAIL_MSG(wxT("wxSVGFILEDC::SetLogicalFunction Call not implemented"));
  80     }
  81
  82     virtual int GetLogicalFunction() const
  83     {
  84         wxFAIL_MSG(wxT("wxSVGFILEDC::GetLogicalFunction() not implemented"));
  85         return -1;
  86     }
  87
  88     virtual void SetBackground( const wxBrush &brush );
  89     virtual void SetBackgroundMode( int mode );
  90     virtual void SetBrush(const wxBrush& brush);
  91     virtual void SetFont(const wxFont& font);
  92     virtual void SetPen(const wxPen& pen);
  93
  94     virtual bool IsOk() const {return m_OK;}
  95
  96     virtual void SetMapMode( int mode );
  97     virtual void SetUserScale( double x, double y );
  98     virtual void SetLogicalScale( double x, double y );
  99     virtual void SetLogicalOrigin( wxCoord x, wxCoord y );
 100     virtual void SetDeviceOrigin( wxCoord x, wxCoord y );
 101     virtual void SetAxisOrientation( bool xLeftRight, bool yBottomUp );
 102
 103 private:
 104    virtual bool DoGetPixel(wxCoord, wxCoord, wxColour *) const
 105    {
 106        wxFAIL_MSG(wxT("wxSVGFILEDC::DoGetPixel Call not implemented"));
 107        return true;
 108    }
 109
 110    virtual bool DoBlit(wxCoord, wxCoord, wxCoord, wxCoord, wxDC *,
 111                        wxCoord, wxCoord, int = wxCOPY,
 112                        bool = 0, int = -1, int = -1);
 113
 114    virtual void DoCrossHair(wxCoord, wxCoord)
 115    {
 116        wxFAIL_MSG(wxT("wxSVGFILEDC::CrossHair Call not implemented"));
 117    }
 118
 119    virtual void DoDrawArc(wxCoord, wxCoord, wxCoord, wxCoord, wxCoord, wxCoord);
 120
 121    virtual void DoDrawBitmap(const wxBitmap &, wxCoord, wxCoord, bool = 0);
 122
 123    virtual void DoDrawCheckMark(wxCoord x, wxCoord y, wxCoord w, wxCoord h);
 124
 125    virtual void DoDrawEllipse(wxCoord x, wxCoord y, wxCoord w, wxCoord h);
 126
 127    virtual void DoDrawEllipticArc(wxCoord x, wxCoord y, wxCoord w, wxCoord h,
 128                                   double sa, double ea);
 129
 130    virtual void DoDrawIcon(const wxIcon &, wxCoord, wxCoord);
 131
 132    virtual void DoDrawLine (wxCoord x1, wxCoord y1, wxCoord x2, wxCoord y2);
 133
 134    virtual void DoDrawLines(int n, wxPoint points[],
 135                             wxCoord xoffset = 0, wxCoord yoffset = 0);
 136
 137    virtual void DoDrawPoint(wxCoord, wxCoord);
 138
 139    virtual void DoDrawPolygon(int n, wxPoint points[], wxCoord xoffset, wxCoord yoffset,int fillStyle);
 140
 141    virtual void DoDrawRectangle(wxCoord x, wxCoord y, wxCoord w, wxCoord h);
 142
 143    virtual void DoDrawRotatedText(const wxString& text, wxCoord x, wxCoord y,
 144                                   double angle);
 145
 146    virtual void DoDrawRoundedRectangle(wxCoord x, wxCoord y,
 147                                        wxCoord w, wxCoord h,
 148                                        double radius = 20) ;
 149
 150    virtual void DoDrawText(const wxString& text, wxCoord x, wxCoord y);
 151
 152    virtual bool DoFloodFill(wxCoord WXUNUSED(x), wxCoord WXUNUSED(y),
 153                             const wxColour& WXUNUSED(col),
 154                             int WXUNUSED(style) = wxFLOOD_SURFACE)
 155    {
 156        wxFAIL_MSG(wxT("wxSVGFILEDC::DoFloodFill Call not implemented"));
 157        return false;
 158    }
 159
 160    virtual void DoGetSize(int * x, int *y) const
 161    {
 162        if ( x )
 163            *x = m_width;
 164        if ( y )
 165            *y = m_height;
 166    }
 167
 168    virtual void DoGetTextExtent(const wxString& string, wxCoord *w, wxCoord *h,
 169                                 wxCoord *descent = NULL,
 170                                 wxCoord *externalLeading = NULL,
 171                                 const wxFont *font = NULL) const;
 172
 173    virtual void DoSetClippingRegionAsRegion(const wxRegion& WXUNUSED(region))
 174    {
 175        wxFAIL_MSG(wxT("wxSVGFILEDC::DoSetClippingRegionAsRegion Call not yet implemented"));
 176    }
 177
 178    void Init (wxString f, int Width, int Height, float dpi);
 179
 180    void NewGraphics();
 181
 182    void write( const wxString &s );
 183
 184 private:
 185    wxFileOutputStream *m_outfile;
 186    wxString            m_filename;
 187    int                 m_sub_images; // number of png format images we have
 188    bool                m_OK;
 189    bool                m_graphics_changed;
 190    int                 m_width, m_height;
 191
 192 private:
 193    DECLARE_ABSTRACT_CLASS(wxSVGFileDC)
 194 };
 195
 196 #endif // wxUSE_SVG
 197
 198 #endif // _WX_DCSVG_H_