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 __DCSVG_H
  13 #define __DCSVG_H
  14
  15 #include "wx/wfstream.h"
  16 #include "wx/string.h"
  17
  18 #define wxSVGVersion wxT("v0100")
  19
  20 #ifdef __BORLANDC__
  21 #pragma warn -8008
  22 #pragma warn -8066
  23 #endif
  24
  25 class WXDLLIMPEXP_CORE wxSVGFileDC : public wxDC
  26 {
  27 public:
  28     wxSVGFileDC (wxString f);
  29     wxSVGFileDC (wxString f, int Width, int Height);
  30     wxSVGFileDC (wxString f, int Width, int Height, float dpi);
  31
  32     ~wxSVGFileDC();
  33
  34     bool CanDrawBitmap() const { return true; }
  35     bool CanGetTextExtent() const { return true; }
  36
  37     int GetDepth() const
  38             { wxASSERT_MSG (false, wxT("wxSVGFILEDC::GetDepth Call not implemented")); return -1 ; }
  39
  40     void Clear()
  41             { wxASSERT_MSG (false, wxT("wxSVGFILEDC::Clear() Call not implemented \nNot sensible for an output file?")); return ; }
  42
  43     void DestroyClippingRegion()
  44             { wxASSERT_MSG (false, wxT("wxSVGFILEDC::void Call not yet implemented")); return ; }
  45
  46     wxCoord GetCharHeight() const;
  47     wxCoord GetCharWidth() const;
  48
  49         void SetClippingRegion(wxCoord  WXUNUSED(x), wxCoord  WXUNUSED(y), wxCoord  WXUNUSED(width), wxCoord  WXUNUSED(height))
  50             { wxASSERT_MSG (false, wxT("wxSVGFILEDC::SetClippingRegion not implemented")); return ; }
  51
  52         void SetPalette(const wxPalette&  WXUNUSED(palette))
  53             { wxASSERT_MSG (false, wxT("wxSVGFILEDC::SetPalette not implemented")); return ; }
  54
  55         void GetClippingBox(wxCoord *WXUNUSED(x), wxCoord *WXUNUSED(y), wxCoord * WXUNUSED(width), wxCoord * WXUNUSED(height))
  56             { wxASSERT_MSG (false, wxT("wxSVGFILEDC::GetClippingBox not implemented")); return ; }
  57
  58         void SetLogicalFunction(int  WXUNUSED(function))
  59             { wxASSERT_MSG (false, wxT("wxSVGFILEDC::SetLogicalFunction Call not implemented")); return ; }
  60
  61         int GetLogicalFunction() const
  62             { wxASSERT_MSG (false, wxT("wxSVGFILEDC::GetLogicalFunction() not implemented")); return wxCOPY ; }
  63
  64         void SetBackground( const wxBrush &brush ) ;
  65         void SetBackgroundMode( int mode ) ;
  66         void SetBrush(const wxBrush& brush) ;
  67         void SetFont(const wxFont& font) ;
  68         void SetPen(const wxPen& pen)  ;
  69
  70         bool IsOk() const {return m_OK;}
  71
  72     virtual wxCoord DeviceToLogicalX(wxCoord x) const;
  73     virtual wxCoord DeviceToLogicalY(wxCoord y) const;
  74     virtual wxCoord DeviceToLogicalXRel(wxCoord x) const;
  75     virtual wxCoord DeviceToLogicalYRel(wxCoord y) const;
  76     virtual wxCoord LogicalToDeviceX(wxCoord x) const;
  77     virtual wxCoord LogicalToDeviceY(wxCoord y) const;
  78     virtual wxCoord LogicalToDeviceXRel(wxCoord x) const;
  79     virtual wxCoord LogicalToDeviceYRel(wxCoord y) const ;
  80
  81     virtual void SetMapMode( int mode );
  82     virtual void SetUserScale( double x, double y );
  83     virtual void SetLogicalScale( double x, double y );
  84     virtual void SetLogicalOrigin( wxCoord x, wxCoord y );
  85     virtual void SetDeviceOrigin( wxCoord x, wxCoord y );
  86
  87     virtual void SetAxisOrientation( bool xLeftRight, bool yBottomUp );
  88
  89     virtual void ComputeScaleAndOrigin();
  90
  91 private:
  92         bool DoGetPixel(wxCoord, wxCoord, class wxColour *) const
  93             { wxASSERT_MSG (false, wxT("wxSVGFILEDC::DoGetPixel Call not implemented")); return true; }
  94
  95         virtual bool DoBlit(wxCoord, wxCoord, wxCoord, wxCoord, class wxDC *,
  96             wxCoord, wxCoord, int = wxCOPY, bool = 0, int = -1, int = -1) ;
  97
  98         void DoCrossHair(wxCoord, wxCoord)
  99             { wxASSERT_MSG (false, wxT("wxSVGFILEDC::CrossHair Call not implemented")); return  ; }
 100
 101         void DoDrawArc(wxCoord, wxCoord, wxCoord, wxCoord, wxCoord, wxCoord);
 102
 103         void DoDrawBitmap(const class wxBitmap &, wxCoord, wxCoord, bool = 0) ;
 104
 105         void DoDrawCheckMark(wxCoord x, wxCoord y, wxCoord width, wxCoord height) ;
 106
 107         void DoDrawEllipse(wxCoord x, wxCoord y, wxCoord width, wxCoord height) ;
 108
 109         void DoDrawEllipticArc(wxCoord x,wxCoord y,wxCoord w,wxCoord h,double sa,double ea) ;
 110
 111         void DoDrawIcon(const class wxIcon &, wxCoord, wxCoord) ;
 112
 113         void DoDrawLine (wxCoord x1, wxCoord y1, wxCoord x2, wxCoord y2) ;
 114
 115         void DoDrawLines(int n, wxPoint points[], wxCoord xoffset = 0, wxCoord yoffset = 0) ;
 116
 117         void DoDrawPoint(wxCoord, wxCoord) ;
 118
 119         void DoDrawPolygon(int n, wxPoint points[], wxCoord xoffset, wxCoord yoffset,int fillStyle) ;
 120
 121         void DoDrawRectangle(wxCoord x, wxCoord y, wxCoord width, wxCoord height) ;
 122
 123         void DoDrawRotatedText(const wxString& text, wxCoord x, wxCoord y, double angle) ;
 124
 125         void DoDrawRoundedRectangle(wxCoord x, wxCoord y, wxCoord width, wxCoord height, double radius = 20)  ;
 126
 127         void DoDrawText(const wxString& text, wxCoord x, wxCoord y);
 128
 129         bool DoFloodFill(wxCoord WXUNUSED(x), wxCoord WXUNUSED(y), const wxColour& WXUNUSED(col),
 130                              int WXUNUSED(style) = wxFLOOD_SURFACE)
 131             { wxASSERT_MSG (false, wxT("wxSVGFILEDC::DoFloodFill Call not implemented")); return false ; }
 132
 133         void DoGetSize(int * x, int *y) const { *x = m_width; *y = m_height ; return ; }
 134
 135         void DoGetTextExtent(const wxString& string, wxCoord *w, wxCoord *h, wxCoord *descent = NULL, wxCoord *externalLeading = NULL, const wxFont *font = NULL) const ;
 136
 137         void DoSetClippingRegionAsRegion(const class wxRegion &)
 138             { wxASSERT_MSG (false, wxT("wxSVGFILEDC::DoSetClippingRegionAsRegion Call not yet implemented")); return  ; }
 139
 140        void Init (wxString f, int Width, int Height, float dpi);
 141
 142        void NewGraphics();
 143
 144        void write( const wxString &s );
 145
 146 private:
 147     wxFileOutputStream *m_outfile;
 148     wxString            m_filename;
 149     int                 m_sub_images; // number of png format images we have
 150     bool                m_OK;
 151     bool                m_graphics_changed;
 152     int                 m_width, m_height;
 153     double              m_mm_to_pix_x, m_mm_to_pix_y;
 154
 155 private:
 156     DECLARE_ABSTRACT_CLASS(wxSVGFileDC)
 157 };
 158
 159 #endif      // __DCSVG_H