include/wx/dcsvg.h

   1 #ifndef __DCSVG_H
   2 #define __DCSVG_H
   3 #include "wx/wfstream.h"
   4 #include "wx/string.h"
   5
   6 #define wxSVGVersion wxT("v0100")
   7 #ifdef __BORLANDC__
   8 #pragma warn -rch
   9 #pragma warn -ccc
  10 #endif
  11
  12 class WXDLLIMPEXP_CORE wxSVGFileDC : public wxDC
  13 {
  14
  15     private:
  16         wxFileOutputStream * m_outfile ;
  17         wxString m_filename ;
  18         //holds number of png format images we have
  19         int m_sub_images ;
  20         bool m_OK, m_graphics_changed ;
  21         int m_width, m_height ;
  22
  23         double
  24             m_logicalScaleX,
  25             m_logicalScaleY,
  26             m_userScaleX,
  27             m_userScaleY,
  28             m_scaleX,
  29             m_scaleY,
  30             m_OriginX,
  31             m_OriginY,
  32             m_mm_to_pix_x,
  33             m_mm_to_pix_y;
  34
  35         bool
  36             m_needComputeScaleX,
  37             m_needComputeScaleY; // not yet used
  38
  39
  40         bool DoGetPixel(wxCoord, wxCoord, class wxColour *) const
  41             { wxASSERT_MSG (false, wxT("wxSVGFILEDC::DoGetPixel Call not implemented")); return true; };
  42
  43         virtual bool DoBlit(wxCoord, wxCoord, wxCoord, wxCoord, class wxDC *,
  44             wxCoord, wxCoord, int = wxCOPY, bool = 0, int = -1, int = -1) ;
  45
  46         void DoCrossHair(wxCoord, wxCoord)
  47             { wxASSERT_MSG (false, wxT("wxSVGFILEDC::CrossHair Call not implemented")); return  ; };
  48
  49         void DoDrawArc(wxCoord, wxCoord, wxCoord, wxCoord, wxCoord, wxCoord);
  50
  51         void DoDrawBitmap(const class wxBitmap &, wxCoord, wxCoord, bool = 0) ;
  52
  53         void DoDrawCheckMark(wxCoord x, wxCoord y, wxCoord width, wxCoord height) ;
  54
  55         void DoDrawEllipse(wxCoord x, wxCoord y, wxCoord width, wxCoord height) ;
  56
  57         void DoDrawEllipticArc(wxCoord x,wxCoord y,wxCoord w,wxCoord h,double sa,double ea) ;
  58
  59         void DoDrawIcon(const class wxIcon &, wxCoord, wxCoord) ;
  60
  61         void DoDrawLine (wxCoord x1, wxCoord y1, wxCoord x2, wxCoord y2) ;
  62
  63         void DoDrawPoint(wxCoord, wxCoord) ;
  64
  65         void DoDrawPolygon(int n, wxPoint points[], wxCoord xoffset, wxCoord yoffset,int fillStyle) ;
  66
  67         void DoDrawRectangle(wxCoord x, wxCoord y, wxCoord width, wxCoord height) ;
  68
  69         void DoDrawRotatedText(const wxString& text, wxCoord x, wxCoord y, double angle) ;
  70
  71         void DoDrawRoundedRectangle(wxCoord x, wxCoord y, wxCoord width, wxCoord height, double radius = 20)  ;
  72
  73         void DoDrawText(const wxString& text, wxCoord x, wxCoord y);
  74
  75         bool DoFloodFill(wxCoord WXUNUSED(x), wxCoord WXUNUSED(y), const wxColour& WXUNUSED(col),
  76                              int WXUNUSED(style) = wxFLOOD_SURFACE)
  77             { wxASSERT_MSG (false, wxT("wxSVGFILEDC::DoFloodFill Call not implemented")); return false ; };
  78
  79         void DoGetSize(int * x, int *y) const { *x = m_width; *y = m_height ; return ; } ;
  80
  81         void DoGetTextExtent(const wxString& string, wxCoord *w, wxCoord *h, wxCoord *descent = NULL, wxCoord *externalLeading = NULL, wxFont *font = NULL) const ;
  82
  83         void DoSetClippingRegionAsRegion(const class wxRegion &)
  84             { wxASSERT_MSG (false, wxT("wxSVGFILEDC::DoSetClippingRegionAsRegion Call not yet implemented")); return  ; };
  85
  86        void Init (wxString f, int Width, int Height, float dpi);
  87
  88        void NewGraphics () ;
  89
  90 #ifdef XDEV2LOG
  91 #undef XDEV2LOG
  92 #endif
  93         wxCoord XDEV2LOG(wxCoord x) const
  94         {
  95             wxCoord new_x = x - m_deviceOriginX;
  96             if (new_x > 0)
  97                 return (wxCoord)((double)(new_x) / m_scaleX + 0.5) * m_signX + m_logicalOriginX;
  98             else
  99                 return (wxCoord)((double)(new_x) / m_scaleX - 0.5) * m_signX + m_logicalOriginX;
 100         }
 101 #ifdef XDEV2LOGREL
 102 #undef XDEV2LOGREL
 103 #endif
 104         wxCoord XDEV2LOGREL(wxCoord x) const
 105         {
 106             if (x > 0)
 107                 return (wxCoord)((double)(x) / m_scaleX + 0.5);
 108             else
 109                 return (wxCoord)((double)(x) / m_scaleX - 0.5);
 110         }
 111 #ifdef YDEV2LOG
 112 #undef YDEV2LOG
 113 #endif
 114         wxCoord YDEV2LOG(wxCoord y) const
 115         {
 116             wxCoord new_y = y - m_deviceOriginY;
 117             if (new_y > 0)
 118                 return (wxCoord)((double)(new_y) / m_scaleY + 0.5) * m_signY + m_logicalOriginY;
 119             else
 120                 return (wxCoord)((double)(new_y) / m_scaleY - 0.5) * m_signY + m_logicalOriginY;
 121         }
 122 #ifdef YDEV2LOGREL
 123 #undef YDEV2LOGREL
 124 #endif
 125         wxCoord YDEV2LOGREL(wxCoord y) const
 126         {
 127             if (y > 0)
 128                 return (wxCoord)((double)(y) / m_scaleY + 0.5);
 129             else
 130                 return (wxCoord)((double)(y) / m_scaleY - 0.5);
 131         }
 132 #ifdef XLOG2DEV
 133 #undef XLOG2DEV
 134 #endif
 135         wxCoord XLOG2DEV(wxCoord x) const
 136         {
 137             wxCoord new_x = x - m_logicalOriginX;
 138             if (new_x > 0)
 139                 return (wxCoord)((double)(new_x) * m_scaleX + 0.5) * m_signX + m_deviceOriginX;
 140             else
 141                 return (wxCoord)((double)(new_x) * m_scaleX - 0.5) * m_signX + m_deviceOriginX;
 142         }
 143 #ifdef XLOG2DEVREL
 144 #undef XLOG2DEVREL
 145 #endif
 146         wxCoord XLOG2DEVREL(wxCoord x) const
 147         {
 148             if (x > 0)
 149                 return (wxCoord)((double)(x) * m_scaleX + 0.5);
 150             else
 151                 return (wxCoord)((double)(x) * m_scaleX - 0.5);
 152         }
 153 #ifdef YLOG2DEV
 154 #undef YLOG2DEV
 155 #endif
 156         wxCoord YLOG2DEV(wxCoord y) const
 157         {
 158             wxCoord new_y = y - m_logicalOriginY;
 159             if (new_y > 0)
 160                 return (wxCoord)((double)(new_y) * m_scaleY + 0.5) * m_signY + m_deviceOriginY;
 161             else
 162                 return (wxCoord)((double)(new_y) * m_scaleY - 0.5) * m_signY + m_deviceOriginY;
 163         }
 164 #ifdef YLOG2DEVREL
 165 #undef YLOG2DEVREL
 166 #endif
 167         wxCoord YLOG2DEVREL(wxCoord y) const
 168         {
 169             if (y > 0)
 170                 return (wxCoord)((double)(y) * m_scaleY + 0.5);
 171             else
 172                 return (wxCoord)((double)(y) * m_scaleY - 0.5);
 173         }
 174
 175         void write(const wxString &s);
 176
 177     public:
 178
 179         wxSVGFileDC (wxString f);
 180         wxSVGFileDC (wxString f, int Width, int Height);
 181         wxSVGFileDC (wxString f, int Width, int Height, float dpi);
 182         ~wxSVGFileDC();
 183
 184
 185         bool CanDrawBitmap() const { return true; };
 186
 187         bool CanGetTextExtent() const { return true; };
 188
 189         int GetDepth() const
 190             { wxASSERT_MSG (false, wxT("wxSVGFILEDC::GetDepth Call not implemented")); return -1 ; };
 191
 192         void BeginDrawing() { return;};
 193
 194         bool Blit(wxCoord xdest, wxCoord ydest, wxCoord width, wxCoord height, wxDC* source, wxCoord xsrc, wxCoord ysrc, int logicalFunc = wxCOPY, bool useMask = false)
 195             { return DoBlit(xdest, ydest, width, height, source, xsrc, ysrc, logicalFunc, useMask); };
 196
 197         void Clear()
 198             { wxASSERT_MSG (false, wxT("wxSVGFILEDC::Clear() Call not implemented \nNot sensible for an output file?")); return ; };
 199
 200         void CrossHair(wxCoord x, wxCoord y)
 201             { DoCrossHair (x,y); return; };
 202
 203         virtual void ComputeScaleAndOrigin();
 204
 205         void DestroyClippingRegion()
 206             { wxASSERT_MSG (false, wxT("wxSVGFILEDC::void Call not yet implemented")); return ; };
 207
 208         wxCoord DeviceToLogicalX(wxCoord x) const ;
 209
 210         wxCoord DeviceToLogicalXRel(wxCoord x)  const ;
 211
 212         wxCoord DeviceToLogicalY(wxCoord y)  const ;
 213
 214         wxCoord DeviceToLogicalYRel(wxCoord y)  const ;
 215
 216         void DrawBitmap(const wxBitmap& bitmap, wxCoord x, wxCoord y, bool transparent)
 217             {  DoDrawBitmap ( bitmap, x, y, transparent ) ; return ;};
 218
 219         void DrawIcon(const wxIcon& icon, wxCoord x, wxCoord y)
 220             {DoDrawIcon(icon, x, y) ; return ; };
 221
 222         void DoDrawLines(int n, wxPoint points[], wxCoord xoffset = 0, wxCoord yoffset = 0) ;
 223
 224         void EndDoc()
 225             { return ; };
 226
 227         void EndDrawing()
 228             { return ; };
 229
 230         void EndPage()
 231             {  return ; };
 232
 233         void FloodFill(wxCoord x, wxCoord y, wxColour *colour, int style=wxFLOOD_SURFACE)
 234             { DoFloodFill (x, y, *colour, style); return ;} ;
 235
 236         wxCoord GetCharHeight() const;
 237
 238         wxCoord GetCharWidth() const;
 239
 240         void GetClippingBox(wxCoord *WXUNUSED(x), wxCoord *WXUNUSED(y), wxCoord * WXUNUSED(width), wxCoord * WXUNUSED(height))
 241             { wxASSERT_MSG (false, wxT("wxSVGFILEDC::GetClippingBox Call not yet implemented")); return ; };
 242
 243         int GetLogicalFunction()
 244             { wxASSERT_MSG (false, wxT("wxSVGFILEDC::GetLogicalFunction()  Call not implemented")); return wxCOPY ; };
 245
 246         int GetMapMode() ;
 247
 248         bool GetPixel(wxCoord x, wxCoord y, wxColour *colour)
 249             { return DoGetPixel (x, y, colour) ; } ;
 250
 251         void GetUserScale(double *x, double *y) const ;
 252
 253         wxCoord LogicalToDeviceX(wxCoord x)  const ;
 254
 255         wxCoord LogicalToDeviceXRel(wxCoord x)  const ;
 256
 257         wxCoord LogicalToDeviceY(wxCoord y)  const ;
 258
 259         wxCoord LogicalToDeviceYRel(wxCoord y)  const ;
 260
 261         bool Ok() const {return m_OK;};
 262
 263         void SetAxisOrientation( bool xLeftRight, bool yBottomUp ) ;
 264
 265         void SetClippingRegion(wxCoord  WXUNUSED(x), wxCoord  WXUNUSED(y), wxCoord  WXUNUSED(width), wxCoord  WXUNUSED(height))
 266             { wxASSERT_MSG (false, wxT("wxSVGFILEDC::SetClippingRegion Call not yet implemented")); return ; };
 267
 268         void SetPalette(const wxPalette&  WXUNUSED(palette))
 269             { wxASSERT_MSG (false, wxT("wxSVGFILEDC::SetPalette Call not yet implemented")); return ; };
 270
 271         void SetBackground( const wxBrush &brush ) ;
 272
 273         void SetBackgroundMode( int mode ) ;
 274
 275         void SetBrush(const wxBrush& brush) ;
 276
 277         void SetFont(const wxFont& font) ;
 278
 279         void SetLogicalFunction(int  WXUNUSED(function))
 280             { wxASSERT_MSG (false, wxT("wxSVGFILEDC::SetLogicalFunction Call implemented")); return ; };
 281
 282         void SetLogicalScale( double x, double y ) ;
 283
 284         void SetLogicalOrigin( wxCoord x, wxCoord y ) ;
 285
 286         void SetDeviceOrigin( wxCoord x, wxCoord y ) ;
 287
 288         void SetMapMode(int anint) ;
 289
 290         void SetPen(const wxPen& pen)  ;
 291
 292         void SetUserScale(double xScale, double yScale) ;
 293
 294         bool StartDoc(const wxString&  WXUNUSED(message))
 295             {  return false; };
 296
 297         void StartPage()
 298             {  return ; };
 299
 300
 301 };
 302
 303 #ifdef __BORLANDC__
 304 #pragma warn .rch
 305 #pragma warn .ccc
 306 #endif
 307 #endif