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     // these need to be overridden as wxPostscriptDC inherits
  73     // from the platform dependent wxDC and this we'd call
  74     // e.g. wxMSW specific code here.
  75     virtual void SetMapMode( int mode );
  76     virtual void SetUserScale( double x, double y );
  77     virtual void SetLogicalScale( double x, double y );
  78     virtual void SetLogicalOrigin( wxCoord x, wxCoord y );
  79     virtual void SetDeviceOrigin( wxCoord x, wxCoord y );
  80     void SetAxisOrientation( bool xLeftRight, bool yBottomUp );
  81
  82 private:
  83         bool DoGetPixel(wxCoord, wxCoord, class wxColour *) const
  84             { wxASSERT_MSG (false, wxT("wxSVGFILEDC::DoGetPixel Call not implemented")); return true; }
  85
  86         virtual bool DoBlit(wxCoord, wxCoord, wxCoord, wxCoord, class wxDC *,
  87             wxCoord, wxCoord, int = wxCOPY, bool = 0, int = -1, int = -1) ;
  88
  89         void DoCrossHair(wxCoord, wxCoord)
  90             { wxASSERT_MSG (false, wxT("wxSVGFILEDC::CrossHair Call not implemented")); return  ; }
  91
  92         void DoDrawArc(wxCoord, wxCoord, wxCoord, wxCoord, wxCoord, wxCoord);
  93
  94         void DoDrawBitmap(const class wxBitmap &, wxCoord, wxCoord, bool = 0) ;
  95
  96         void DoDrawCheckMark(wxCoord x, wxCoord y, wxCoord width, wxCoord height) ;
  97
  98         void DoDrawEllipse(wxCoord x, wxCoord y, wxCoord width, wxCoord height) ;
  99
 100         void DoDrawEllipticArc(wxCoord x,wxCoord y,wxCoord w,wxCoord h,double sa,double ea) ;
 101
 102         void DoDrawIcon(const class wxIcon &, wxCoord, wxCoord) ;
 103
 104         void DoDrawLine (wxCoord x1, wxCoord y1, wxCoord x2, wxCoord y2) ;
 105
 106         void DoDrawLines(int n, wxPoint points[], wxCoord xoffset = 0, wxCoord yoffset = 0) ;
 107
 108         void DoDrawPoint(wxCoord, wxCoord) ;
 109
 110         void DoDrawPolygon(int n, wxPoint points[], wxCoord xoffset, wxCoord yoffset,int fillStyle) ;
 111
 112         void DoDrawRectangle(wxCoord x, wxCoord y, wxCoord width, wxCoord height) ;
 113
 114         void DoDrawRotatedText(const wxString& text, wxCoord x, wxCoord y, double angle) ;
 115
 116         void DoDrawRoundedRectangle(wxCoord x, wxCoord y, wxCoord width, wxCoord height, double radius = 20)  ;
 117
 118         void DoDrawText(const wxString& text, wxCoord x, wxCoord y);
 119
 120         bool DoFloodFill(wxCoord WXUNUSED(x), wxCoord WXUNUSED(y), const wxColour& WXUNUSED(col),
 121                              int WXUNUSED(style) = wxFLOOD_SURFACE)
 122             { wxASSERT_MSG (false, wxT("wxSVGFILEDC::DoFloodFill Call not implemented")); return false ; }
 123
 124         void DoGetSize(int * x, int *y) const { *x = m_width; *y = m_height ; return ; }
 125
 126         void DoGetTextExtent(const wxString& string, wxCoord *w, wxCoord *h, wxCoord *descent = NULL, wxCoord *externalLeading = NULL, const wxFont *font = NULL) const ;
 127
 128         void DoSetClippingRegionAsRegion(const class wxRegion &)
 129             { wxASSERT_MSG (false, wxT("wxSVGFILEDC::DoSetClippingRegionAsRegion Call not yet implemented")); return  ; }
 130
 131        void Init (wxString f, int Width, int Height, float dpi);
 132
 133        void NewGraphics();
 134
 135        void write( const wxString &s );
 136
 137 private:
 138     wxFileOutputStream *m_outfile;
 139     wxString            m_filename;
 140     int                 m_sub_images; // number of png format images we have
 141     bool                m_OK;
 142     bool                m_graphics_changed;
 143     int                 m_width, m_height;
 144
 145 private:
 146     DECLARE_ABSTRACT_CLASS(wxSVGFileDC)
 147 };
 148
 149 #endif      // __DCSVG_H