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
  30
  31 #if wxUSE_NEW_DC
  32 class WXDLLIMPEXP_FWD_BASE wxSVGFileDC;
  33
  34 class WXDLLIMPEXP_CORE wxSVGFileDCImpl : public wxDCImpl
  35 #else
  36 #define wxSVGFileDCImpl wxSVGFileDC
  37 class WXDLLIMPEXP_CORE wxSVGFileDC : public wxDC
  38 #endif
  39 {
  40 public:
  41
  42 #if wxUSE_NEW_DC
  43     wxSVGFileDCImpl( wxSVGFileDC *owner, const wxString &filename,
  44                      int width=320, int height=240, double dpi=72.0 );
  45 #else
  46     wxSVGFileDC( const wxString &filename,
  47                  int width=320, int height=240, double dpi=72.0 );
  48 #endif
  49
  50     virtual ~wxSVGFileDCImpl();
  51
  52     bool IsOk() const { return m_OK; }
  53
  54     virtual bool CanDrawBitmap() const { return true; }
  55     virtual bool CanGetTextExtent() const { return true; }
  56
  57     virtual int GetDepth() const
  58     {
  59         wxFAIL_MSG(wxT("wxSVGFILEDC::GetDepth Call not implemented"));
  60         return -1;
  61     }
  62
  63     virtual void Clear()
  64     {
  65         wxFAIL_MSG(wxT("wxSVGFILEDC::Clear() Call not implemented \nNot sensible for an output file?"));
  66     }
  67
  68     virtual void DestroyClippingRegion()
  69     {
  70         wxFAIL_MSG(wxT("wxSVGFILEDC::void Call not yet implemented"));
  71     }
  72
  73     virtual wxCoord GetCharHeight() const;
  74     virtual wxCoord GetCharWidth() const;
  75
  76     virtual void SetClippingRegion(wxCoord WXUNUSED(x), wxCoord WXUNUSED(y),
  77                                    wxCoord WXUNUSED(w), wxCoord WXUNUSED(h))
  78     {
  79         wxFAIL_MSG(wxT("wxSVGFILEDC::SetClippingRegion not implemented"));
  80     }
  81
  82     virtual void SetPalette(const wxPalette&  WXUNUSED(palette))
  83     {
  84         wxFAIL_MSG(wxT("wxSVGFILEDC::SetPalette not implemented"));
  85     }
  86
  87     virtual void GetClippingBox(wxCoord *WXUNUSED(x), wxCoord *WXUNUSED(y),
  88                                 wxCoord *WXUNUSED(w), wxCoord *WXUNUSED(h))
  89     {
  90         wxFAIL_MSG(wxT("wxSVGFILEDC::GetClippingBox not implemented"));
  91     }
  92
  93     virtual void SetLogicalFunction(int WXUNUSED(function))
  94     {
  95         wxFAIL_MSG(wxT("wxSVGFILEDC::SetLogicalFunction Call not implemented"));
  96     }
  97
  98     virtual int GetLogicalFunction() const
  99     {
 100         wxFAIL_MSG(wxT("wxSVGFILEDC::GetLogicalFunction() not implemented"));
 101         return -1;
 102     }
 103
 104     virtual void SetBackground( const wxBrush &brush );
 105     virtual void SetBackgroundMode( int mode );
 106     virtual void SetBrush(const wxBrush& brush);
 107     virtual void SetFont(const wxFont& font);
 108     virtual void SetPen(const wxPen& pen);
 109
 110 #if wxUSE_NEW_DC
 111 #else
 112     virtual void SetMapMode( int mode );
 113     virtual void SetUserScale( double x, double y );
 114     virtual void SetLogicalScale( double x, double y );
 115     virtual void SetLogicalOrigin( wxCoord x, wxCoord y );
 116     virtual void SetDeviceOrigin( wxCoord x, wxCoord y );
 117     virtual void SetAxisOrientation( bool xLeftRight, bool yBottomUp );
 118 #endif
 119
 120 private:
 121    virtual bool DoGetPixel(wxCoord, wxCoord, wxColour *) const
 122    {
 123        wxFAIL_MSG(wxT("wxSVGFILEDC::DoGetPixel Call not implemented"));
 124        return true;
 125    }
 126
 127    virtual bool DoBlit(wxCoord, wxCoord, wxCoord, wxCoord, wxDC *,
 128                        wxCoord, wxCoord, int = wxCOPY,
 129                        bool = 0, int = -1, int = -1);
 130
 131    virtual void DoCrossHair(wxCoord, wxCoord)
 132    {
 133        wxFAIL_MSG(wxT("wxSVGFILEDC::CrossHair Call not implemented"));
 134    }
 135
 136    virtual void DoDrawArc(wxCoord, wxCoord, wxCoord, wxCoord, wxCoord, wxCoord);
 137
 138    virtual void DoDrawBitmap(const wxBitmap &, wxCoord, wxCoord, bool = 0);
 139
 140    virtual void DoDrawCheckMark(wxCoord x, wxCoord y, wxCoord w, wxCoord h);
 141
 142    virtual void DoDrawEllipse(wxCoord x, wxCoord y, wxCoord w, wxCoord h);
 143
 144    virtual void DoDrawEllipticArc(wxCoord x, wxCoord y, wxCoord w, wxCoord h,
 145                                   double sa, double ea);
 146
 147    virtual void DoDrawIcon(const wxIcon &, wxCoord, wxCoord);
 148
 149    virtual void DoDrawLine (wxCoord x1, wxCoord y1, wxCoord x2, wxCoord y2);
 150
 151    virtual void DoDrawLines(int n, wxPoint points[],
 152                             wxCoord xoffset = 0, wxCoord yoffset = 0);
 153
 154    virtual void DoDrawPoint(wxCoord, wxCoord);
 155
 156    virtual void DoDrawPolygon(int n, wxPoint points[], wxCoord xoffset, wxCoord yoffset,int fillStyle);
 157
 158    virtual void DoDrawRectangle(wxCoord x, wxCoord y, wxCoord w, wxCoord h);
 159
 160    virtual void DoDrawRotatedText(const wxString& text, wxCoord x, wxCoord y,
 161                                   double angle);
 162
 163    virtual void DoDrawRoundedRectangle(wxCoord x, wxCoord y,
 164                                        wxCoord w, wxCoord h,
 165                                        double radius = 20) ;
 166
 167    virtual void DoDrawText(const wxString& text, wxCoord x, wxCoord y);
 168
 169    virtual bool DoFloodFill(wxCoord WXUNUSED(x), wxCoord WXUNUSED(y),
 170                             const wxColour& WXUNUSED(col),
 171                             int WXUNUSED(style) = wxFLOOD_SURFACE)
 172    {
 173        wxFAIL_MSG(wxT("wxSVGFILEDC::DoFloodFill Call not implemented"));
 174        return false;
 175    }
 176
 177    virtual void DoGetSize(int * x, int *y) const
 178    {
 179        if ( x )
 180            *x = m_width;
 181        if ( y )
 182            *y = m_height;
 183    }
 184
 185    virtual void DoGetTextExtent(const wxString& string, wxCoord *w, wxCoord *h,
 186                                 wxCoord *descent = NULL,
 187                                 wxCoord *externalLeading = NULL,
 188                                 const wxFont *font = NULL) const;
 189
 190    virtual void DoSetClippingRegionAsRegion(const wxRegion& WXUNUSED(region))
 191    {
 192        wxFAIL_MSG(wxT("wxSVGFILEDC::DoSetClippingRegionAsRegion not yet implemented"));
 193    }
 194
 195    virtual void DoSetClippingRegion( int WXUNUSED(x),  int WXUNUSED(y), int WXUNUSED(width), int WXUNUSED(height) )
 196    {
 197        wxFAIL_MSG(wxT("wxSVGFILEDC::DoSetClippingRegion not yet implemented"));
 198    }
 199
 200    virtual void DoGetSizeMM( int *width, int *height ) const;
 201
 202    virtual wxSize GetPPI() const;
 203
 204    void Init (const wxString &filename, int width, int height, double dpi);
 205
 206    void NewGraphics();
 207
 208    void write( const wxString &s );
 209
 210 private:
 211    wxFileOutputStream *m_outfile;
 212    wxString            m_filename;
 213    int                 m_sub_images; // number of png format images we have
 214    bool                m_OK;
 215    bool                m_graphics_changed;
 216    int                 m_width, m_height;
 217    double              m_dpi;
 218
 219 private:
 220    DECLARE_ABSTRACT_CLASS(wxSVGFileDCImpl)
 221 };
 222
 223
 224 #if wxUSE_NEW_DC
 225 class WXDLLIMPEXP_CORE wxSVGFileDC : public wxDC
 226 {
 227 public:
 228     wxSVGFileDC( const wxString &filename,
 229                  int width=320, int height=240, double dpi=72.0 )
 230     {
 231         m_pimpl = new wxSVGFileDCImpl( this, filename, width, height, dpi );
 232     }
 233 };
 234 #endif
 235
 236
 237 #endif // wxUSE_SVG
 238
 239 #endif // _WX_DCSVG_H_