contrib/include/wx/svg/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 //-----------------------------------------------------------------------------
  13 // constants
  14 //-----------------------------------------------------------------------------
  15
  16 #define mm2inches        0.0393700787402
  17 #define inches2mm        25.4
  18 #define mm2twips         56.6929133859
  19 #define twips2mm         0.0176388888889
  20 #define mm2pt            2.83464566929
  21 #define pt2mm            0.352777777778
  22
  23 class wxSVGFileDC : public wxDC
  24 {
  25
  26     private:
  27         wxFileOutputStream * m_outfile ;
  28         wxString m_filename ;
  29         //holds number of png format images we have
  30         int m_sub_images ;
  31         bool m_OK, m_graphics_changed ;
  32         int m_width, m_height ;
  33
  34         double
  35             m_logicalScaleX,
  36             m_logicalScaleY,
  37             m_userScaleX,
  38             m_userScaleY,
  39             m_scaleX,
  40             m_scaleY,
  41             m_OriginX,
  42             m_OriginY,
  43             m_mm_to_pix_x,
  44             m_mm_to_pix_y;
  45
  46         bool
  47                 m_needComputeScaleX,
  48             m_needComputeScaleY; // not yet used
  49
  50
  51         bool DoGetPixel(wxCoord, wxCoord, class wxColour *) const
  52             { wxASSERT_MSG (FALSE, wxT("wxSVGFILEDC::DoGetPixel Call not implemented")); return TRUE ; };
  53
  54         virtual bool DoBlit(wxCoord, wxCoord, wxCoord, wxCoord, class wxDC *,
  55             wxCoord, wxCoord, int = wxCOPY, bool = 0, int = -1, int = -1) ;
  56
  57         void DoCrossHair(wxCoord, wxCoord)
  58             { wxASSERT_MSG (FALSE, wxT("wxSVGFILEDC::CrossHair Call not implemented")); return  ; };
  59
  60         void DoDrawArc(wxCoord, wxCoord, wxCoord, wxCoord, wxCoord, wxCoord);
  61
  62         void DoDrawBitmap(const class wxBitmap &, wxCoord, wxCoord, bool = 0) ;
  63
  64         void DoDrawCheckMark(wxCoord x, wxCoord y, wxCoord width, wxCoord height) ;
  65
  66         void DoDrawEllipse(wxCoord x, wxCoord y, wxCoord width, wxCoord height) ;
  67
  68         void DoDrawEllipticArc(wxCoord x,wxCoord y,wxCoord w,wxCoord h,double sa,double ea) ;
  69
  70         void DoDrawIcon(const class wxIcon &, wxCoord, wxCoord) ;
  71
  72         void DoDrawLine (wxCoord x1, wxCoord y1, wxCoord x2, wxCoord y2) ;
  73
  74         void DoDrawPoint(wxCoord, wxCoord) ;
  75
  76         void DoDrawPolygon(int n, wxPoint points[], wxCoord xoffset, wxCoord yoffset,int fillStyle) ;
  77
  78         void DoDrawRectangle(wxCoord x, wxCoord y, wxCoord width, wxCoord height) ;
  79
  80         void DoDrawRotatedText(const wxString& text, wxCoord x, wxCoord y, double angle) ;
  81
  82         void DoDrawRoundedRectangle(wxCoord x, wxCoord y, wxCoord width, wxCoord height, double radius = 20)  ;
  83
  84         void DoDrawText(const wxString& text, wxCoord x, wxCoord y);
  85
  86         bool DoFloodFill(wxCoord WXUNUSED(x), wxCoord WXUNUSED(y), const wxColour& WXUNUSED(col),
  87                              int WXUNUSED(style) = wxFLOOD_SURFACE)
  88             { wxASSERT_MSG (FALSE, wxT("wxSVGFILEDC::DoFloodFill Call not implemented")); return FALSE ; };
  89
  90         void DoGetSize(int * x, int *y) const { *x = m_width; *y = m_height ; return ; } ;
  91
  92         void DoGetTextExtent(const wxString& string, wxCoord *w, wxCoord *h, wxCoord *descent = NULL, wxCoord *externalLeading = NULL, wxFont *font = NULL) const ;
  93
  94         void DoSetClippingRegionAsRegion(const class wxRegion &)
  95             { wxASSERT_MSG (FALSE, wxT("wxSVGFILEDC::DoSetClippingRegionAsRegion Call not yet implemented")); return  ; };
  96
  97        void Init (wxString f, int Width, int Height, float dpi);
  98
  99        void NewGraphics () ;
 100
 101 #ifdef XDEV2LOG
 102 #undef XDEV2LOG
 103 #endif
 104         wxCoord XDEV2LOG(wxCoord x) const
 105         {
 106             wxCoord new_x = x - m_deviceOriginX;
 107             if (new_x > 0)
 108                 return (wxCoord)((double)(new_x) / m_scaleX + 0.5) * m_signX + m_logicalOriginX;
 109             else
 110                 return (wxCoord)((double)(new_x) / m_scaleX - 0.5) * m_signX + m_logicalOriginX;
 111         }
 112 #ifdef XDEV2LOGREL
 113 #undef XDEV2LOGREL
 114 #endif
 115         wxCoord XDEV2LOGREL(wxCoord x) const
 116         {
 117             if (x > 0)
 118                 return (wxCoord)((double)(x) / m_scaleX + 0.5);
 119             else
 120                 return (wxCoord)((double)(x) / m_scaleX - 0.5);
 121         }
 122 #ifdef YDEV2LOG
 123 #undef YDEV2LOG
 124 #endif
 125         wxCoord YDEV2LOG(wxCoord y) const
 126         {
 127             wxCoord new_y = y - m_deviceOriginY;
 128             if (new_y > 0)
 129                 return (wxCoord)((double)(new_y) / m_scaleY + 0.5) * m_signY + m_logicalOriginY;
 130             else
 131                 return (wxCoord)((double)(new_y) / m_scaleY - 0.5) * m_signY + m_logicalOriginY;
 132         }
 133 #ifdef YDEV2LOGREL
 134 #undef YDEV2LOGREL
 135 #endif
 136         wxCoord YDEV2LOGREL(wxCoord y) const
 137         {
 138             if (y > 0)
 139                 return (wxCoord)((double)(y) / m_scaleY + 0.5);
 140             else
 141                 return (wxCoord)((double)(y) / m_scaleY - 0.5);
 142         }
 143 #ifdef XLOG2DEV
 144 #undef XLOG2DEV
 145 #endif
 146         wxCoord XLOG2DEV(wxCoord x) const
 147         {
 148             wxCoord new_x = x - m_logicalOriginX;
 149             if (new_x > 0)
 150                 return (wxCoord)((double)(new_x) * m_scaleX + 0.5) * m_signX + m_deviceOriginX;
 151             else
 152                 return (wxCoord)((double)(new_x) * m_scaleX - 0.5) * m_signX + m_deviceOriginX;
 153         }
 154 #ifdef XLOG2DEVREL
 155 #undef XLOG2DEVREL
 156 #endif
 157         wxCoord XLOG2DEVREL(wxCoord x) const
 158         {
 159             if (x > 0)
 160                 return (wxCoord)((double)(x) * m_scaleX + 0.5);
 161             else
 162                 return (wxCoord)((double)(x) * m_scaleX - 0.5);
 163         }
 164 #ifdef YLOG2DEV
 165 #undef YLOG2DEV
 166 #endif
 167         wxCoord YLOG2DEV(wxCoord y) const
 168         {
 169             wxCoord new_y = y - m_logicalOriginY;
 170             if (new_y > 0)
 171                 return (wxCoord)((double)(new_y) * m_scaleY + 0.5) * m_signY + m_deviceOriginY;
 172             else
 173                 return (wxCoord)((double)(new_y) * m_scaleY - 0.5) * m_signY + m_deviceOriginY;
 174         }
 175 #ifdef YLOG2DEVREL
 176 #undef YLOG2DEVREL
 177 #endif
 178         wxCoord YLOG2DEVREL(wxCoord y) const
 179         {
 180             if (y > 0)
 181                 return (wxCoord)((double)(y) * m_scaleY + 0.5);
 182             else
 183                 return (wxCoord)((double)(y) * m_scaleY - 0.5);
 184         }
 185
 186
 187     public:
 188
 189         wxSVGFileDC (wxString f);
 190         wxSVGFileDC (wxString f, int Width, int Height);
 191         wxSVGFileDC (wxString f, int Width, int Height, float dpi);
 192         ~wxSVGFileDC();
 193
 194
 195         bool CanDrawBitmap() const { return TRUE ; };
 196
 197         bool CanGetTextExtent() const { return TRUE ; };
 198
 199         int GetDepth() const
 200             { wxASSERT_MSG (FALSE, wxT("wxSVGFILEDC::GetDepth Call not implemented")); return -1 ; };
 201
 202         void BeginDrawing() { return;};
 203
 204         bool Blit(wxCoord xdest, wxCoord ydest, wxCoord width, wxCoord height, wxDC* source, wxCoord xsrc, wxCoord ysrc, int logicalFunc = wxCOPY, bool useMask = FALSE)
 205             { return DoBlit(xdest, ydest, width, height, source, xsrc, ysrc, logicalFunc, useMask); };
 206
 207         void Clear()
 208             { wxASSERT_MSG (FALSE, wxT("wxSVGFILEDC::Clear() Call not implemented \nNot sensible for an output file?")); return ; };
 209
 210         void CrossHair(wxCoord x, wxCoord y)
 211             { DoCrossHair (x,y); return; };
 212
 213         void ComputeScaleAndOrigin() ;
 214
 215         void DestroyClippingRegion()
 216             { wxASSERT_MSG (FALSE, wxT("wxSVGFILEDC::void Call not yet implemented")); return ; };
 217
 218         wxCoord DeviceToLogicalX(wxCoord x) const ;
 219
 220         wxCoord DeviceToLogicalXRel(wxCoord x)  const ;
 221
 222         wxCoord DeviceToLogicalY(wxCoord y)  const ;
 223
 224         wxCoord DeviceToLogicalYRel(wxCoord y)  const ;
 225
 226         void DrawBitmap(const wxBitmap& bitmap, wxCoord x, wxCoord y, bool transparent)
 227             {  DoDrawBitmap ( bitmap, x, y, transparent ) ; return ;};
 228
 229
 230         void DrawIcon(const wxIcon& icon, wxCoord x, wxCoord y)
 231             {DoDrawIcon(icon, x, y) ; return ; };
 232
 233         void DoDrawLines(int n, wxPoint points[], wxCoord xoffset = 0, wxCoord yoffset = 0) ;
 234
 235         void EndDoc()
 236             { return ; };
 237
 238         void EndDrawing()
 239             { return ; };
 240
 241         void EndPage()
 242             {  return ; };
 243
 244         void FloodFill(wxCoord x, wxCoord y, wxColour *colour, int style=wxFLOOD_SURFACE)
 245             { DoFloodFill (x, y, *colour, style); return ;} ;
 246
 247         wxCoord GetCharHeight() const;
 248
 249         wxCoord GetCharWidth() const;
 250
 251         void GetClippingBox(wxCoord *WXUNUSED(x), wxCoord *WXUNUSED(y), wxCoord * WXUNUSED(width), wxCoord * WXUNUSED(height))
 252             { wxASSERT_MSG (FALSE, wxT("wxSVGFILEDC::GetClippingBox Call not yet implemented")); return ; };
 253
 254         int GetLogicalFunction()
 255             { wxASSERT_MSG (FALSE, wxT("wxSVGFILEDC::GetLogicalFunction()  Call not implemented")); return wxCOPY ; };
 256
 257         int GetMapMode() ;
 258
 259         bool GetOptimization()
 260             { wxASSERT_MSG (FALSE, wxT("wxSVGFILEDC::GetOptimization()  No optimization code used")); return TRUE ; };
 261
 262         bool GetPixel(wxCoord x, wxCoord y, wxColour *colour)
 263             { return DoGetPixel (x, y, colour) ; } ;
 264
 265         void GetUserScale(double *x, double *y) const ;
 266
 267         wxCoord LogicalToDeviceX(wxCoord x)  const ;
 268
 269         wxCoord LogicalToDeviceXRel(wxCoord x)  const ;
 270
 271         wxCoord LogicalToDeviceY(wxCoord y)  const ;
 272
 273         wxCoord LogicalToDeviceYRel(wxCoord y)  const ;
 274
 275         bool Ok() const {return m_OK;};
 276
 277         void SetAxisOrientation( bool xLeftRight, bool yBottomUp ) ;
 278
 279         void SetClippingRegion(wxCoord  WXUNUSED(x), wxCoord  WXUNUSED(y), wxCoord  WXUNUSED(width), wxCoord  WXUNUSED(height))
 280             { wxASSERT_MSG (FALSE, wxT("wxSVGFILEDC::SetClippingRegion Call not yet implemented")); return ; };
 281
 282         void SetPalette(const wxPalette&  WXUNUSED(palette))
 283             { wxASSERT_MSG (FALSE, wxT("wxSVGFILEDC::SetPalette Call not yet implemented")); return ; };
 284
 285         void SetBackground( const wxBrush &brush ) ;
 286
 287         void SetBackgroundMode( int mode ) ;
 288
 289         void SetBrush(const wxBrush& brush) ;
 290
 291         void SetFont(const wxFont& font) ;
 292
 293         void SetLogicalFunction(int  WXUNUSED(function))
 294             { wxASSERT_MSG (FALSE, wxT("wxSVGFILEDC::SetLogicalFunction Call implemented")); return ; };
 295
 296         void SetLogicalScale( double x, double y ) ;
 297
 298         void SetLogicalOrigin( wxCoord x, wxCoord y ) ;
 299
 300         void SetDeviceOrigin( wxCoord x, wxCoord y ) ;
 301
 302         void SetMapMode(int anint) ;
 303
 304         void SetOptimization(bool  WXUNUSED(optimize)) { return ; };
 305
 306         void SetPen(const wxPen& pen)  ;
 307
 308         void SetUserScale(double xScale, double yScale) ;
 309
 310         bool StartDoc(const wxString&  WXUNUSED(message))
 311             {  return FALSE; };
 312
 313         void StartPage()
 314             {  return ; };
 315
 316
 317 };
 318
 319 #ifdef __BORLANDC__
 320 #pragma warn .rch
 321 #pragma warn .ccc
 322 #endif
 323 #endif